阅读说明：本技术 对折片材封合预热装置及插棒类食品生产设备 (Folded sheet sealing preheating device and rod inserting food production equipment ) 是由 史中伟 史正 樊杰飞 于 2020-12-10 设计创作，主要内容包括：本发明公开了对折片材封合预热装置及插棒类食品生产设备,属于食品生产设备领域,能提高生产效率,本发明的对折片材封合预热装置,包括：上端预热部件、下端预热部件、封合部件、成型部件、水平拖动部件；所述上端预热部件包括第一加热夹板和第二加热夹板,所述下端预热部件包括第三加热夹板和第四加热夹板,所述封合部件包括第一吹气头、第一封合夹板和第二封合夹板,所述第一封合夹板和所述第二封合夹板上设有片材定型槽,所述成型部件包括第二吹气头、第一成型夹板和第二成型夹板,所述第一成型夹板和所述第二成型夹板上设有片材成型槽,所述包括用于夹持对折片材的夹持装置、凸轮传动装置。(The invention discloses a folded sheet sealing and preheating device and rod-inserting food production equipment, which belong to the field of food production equipment and can improve the production efficiency, and the folded sheet sealing and preheating device comprises: the upper end preheating part, the lower end preheating part, the sealing part, the forming part and the horizontal dragging part; the upper end preheats the part and includes first heating splint and second heating splint, the lower extreme preheats the part and includes third heating splint and fourth heating splint, the involution part includes first head of blowing, first involution splint and second involution splint, first involution splint with be equipped with sheet setting groove on the second involution splint, the shaping part includes second head of blowing, first shaping splint and second shaping splint, first shaping splint with be equipped with sheet shaping groove on the second shaping splint, including clamping device, the cam gear who is used for centre gripping fifty percent discount sheet.)

1. Fifty percent discount sheet involution preheating device, its characterized in that includes:

an upper end preheating part for preheating the upper part of the folded sheet;

a lower preheating part for preheating the lower part of the folded sheet;

the sealing component is used for preliminarily sealing the folded sheet material and forming a cavity in the folded sheet material;

the forming part is used for further processing the folded sheet material, increasing the volume of the cavity and shaping the shape of the cavity;

the horizontal dragging component is used for dragging the folded sheet to move, sending the folded sheet into the upper end preheating component, sending the folded sheet into the lower end preheating component from the upper end preheating component, removing the folded sheet out of the lower end preheating component, sending the folded sheet into the sealing component, and removing the folded sheet subjected to primary sealing from the sealing component and sending the folded sheet into the forming component;

the upper preheating part comprises a first heating clamping plate and a second heating clamping plate, the first heating clamping plate and the second heating clamping plate can heat the upper part of the folded sheet, the lower preheating part comprises a third heating clamping plate and a fourth heating clamping plate, and the third heating clamping plate and the fourth heating clamping plate can heat the lower part of the folded sheet;

the sealing component comprises a first air blowing head, a first sealing clamping plate and a second sealing clamping plate, wherein a plurality of sheet shaping grooves are formed in one opposite side of the first sealing clamping plate and the second sealing clamping plate, the first air blowing head blows air into the folded sheet during sealing so that the sheet can be attached to the sheet shaping grooves to form the cavity, the forming component comprises a second air blowing head, a first forming clamping plate and a second forming clamping plate, a plurality of sheet forming grooves are formed in one opposite side of the first forming clamping plate and the second forming clamping plate, and the second air blowing head blows air into the cavity so that the outer wall of the cavity is attached to the sheet forming grooves during sheet processing;

the folding device comprises a clamping device for clamping folded sheets and a cam transmission device in transmission connection with the clamping device so as to realize reciprocating motion of a clamping component.

2. The folded sheet sealing and preheating device according to claim 1, wherein the upper preheating part further comprises a first preheating base and a supporting partition plate disposed on the first preheating base, the lower preheating part comprises a second preheating base and a power box disposed on the second preheating base, metal plate fixing frames are disposed on both upper ends of the power box and the supporting partition plate, a metal baffle is fixedly mounted at the bottom of the metal plate fixing frame, and two folded sheets are disposed on two sides of the metal baffle respectively when being conveyed.

3. The folded sheet sealing and preheating device as claimed in claim 2, wherein the upper preheating part further comprises a driving member in transmission connection with the first heating clamp plate and the second heating clamp plate for driving the first heating clamp plate and the second heating clamp plate to be close to or away from the metal baffle plate, the driving member comprises a first driving cylinder and a second driving cylinder respectively disposed at two sides of the supporting partition plate, the first driving cylinder is connected with the first heating clamp plate, and the second driving cylinder is connected with the second heating clamp plate for driving the first heating clamp plate and the second heating clamp plate to be close to or away from the metal baffle plate.

4. The folded sheet sealing and preheating device as claimed in claim 2, wherein the lower preheating part further comprises a transmission device disposed in the power box, the transmission device is in transmission connection with the third heating clamp plate and the fourth heating clamp plate for driving the third heating clamp plate and the fourth heating clamp plate to simultaneously move toward or away from the metal baffle, the transmission device comprises a first cylinder and a second cylinder, the power box is slidably mounted with an upper and a lower set of second connecting rods penetrating through the power box, each set of second connecting rods comprises at least two second connecting rods, the first heating clamp plate is slidably mounted on the second connecting rods, the second heating clamp plate is fixedly mounted at ends of the second connecting rods, the first cylinder controls the first heating clamp plate to slide on the second connecting rods, and the second cylinder controls the connecting rods to slide relative to the power box, the power box body is internally provided with a stop block, and the stop block can move downwards between the first rod body and the second rod body when the first rod body and the second rod body move towards the direction away from each other so as to limit the positions of the first rod body and the second rod body.

5. The folded web sealing and preheating device of claim 1, wherein the sealing member further comprises a first drive housing, a first driving device which is in transmission connection with the first sealing clamping plate and the second sealing clamping plate is arranged in the first driving box body, the first sealing clamping plate and the second sealing clamping plate are driven to mutually approach or separate so as to seal the preheated folded sheet material, the first driving device comprises a screw rod assembly and an upper group and a lower group of third connecting rods which are slidably arranged on the first driving box body, each group of third connecting rods at least comprises two, the first sealing splint is slidably arranged on the third connecting rod, the second sealing splint is fixedly arranged on the third connecting rod, the lead screw assembly controls the sliding of the first sealing clamp plate on the third connecting rod and the sliding of the third connecting rod relative to the first driving box body.

6. The folded web sealing and preheating apparatus of claim 1, wherein the forming member further comprises a second drive housing, a second driving device which is in transmission connection with the first molding clamp plate and the second molding clamp plate is arranged in the second driving box body, the second driving device comprises an oil cylinder assembly and upper and lower groups of fourth connecting rods which are slidably arranged on the second driving box body, each group of the fourth connecting rods at least comprises two connecting rods, the first molding clamp plate is slidably arranged on the fourth connecting rod, the second molding clamp plate is fixedly arranged on the fourth connecting rod, the oil cylinder assembly controls the sliding of the first sealing clamp plate on the fourth connecting rod and the sliding of the fourth connecting rod relative to the second driving box body.

7. The folded web sealing and preheating device of claim 1, wherein the cam actuator comprises at least two guide rods arranged in a horizontal direction and a driving seat slidably mounted on the at least two guide rods, the clamping device is connected with the driving seat in a transmission way, the cam transmission device also comprises a cam mechanism and a connecting rod mechanism in transmission fit with the cam mechanism, the connecting rod mechanism comprises a rotating shaft which is rotatably arranged on the mounting bracket, and a first hinged rod and a second hinged rod which are fixedly connected with the rotating shaft, the first hinged rod is connected with the driving seat, the included angle between the first hinged rod and the second hinged rod is 80-100 degrees, the cam mechanism controls the first hinged rod to swing in the horizontal direction and the second hinged rod to swing in the vertical direction, so that the clamping device can reciprocate.

8. The folded sheet sealing and preheating device as claimed in claim 1, wherein the second hinge rod has a length smaller than that of the first hinge rod, the cam mechanism comprises a first cam and a second cam coaxially disposed, one end of the first hinge rod is fixedly connected to the rotating shaft, the other end of the first hinge rod is connected to the driving seat, the first hinge rod is located at a side portion of the first cam and is abutted against a periphery of the first cam, the second hinge rod is located at an upper portion of the second cam, one end of the second hinge rod is fixedly connected to the rotating shaft, and the other end of the second hinge rod is abutted against a periphery of the second cam.

9. The folio sheet sealing and preheating device as claimed in claim 1, wherein the clamping device comprises a clamping arm, the clamping arm has a clamping state and a releasing state, the cam transmission device controls the clamping arm to move forward when the clamping arm is in the clamping state, the cam transmission device controls the clamping arm to reset when the clamping arm is in the releasing state, the clamping device comprises a plurality of clamping arms, the clamping arm comprises a fixing seat, and a clamping block and a clamping cylinder for controlling the clamping block to clamp or release an article are arranged on the fixing seat.

10. The inserting bar type food production equipment is characterized by comprising a frame and the folded sheet sealing preheating device of any one of claims 1 to 9, wherein the end part of the frame is provided with the sheet folding device, and the folded sheet sealing preheating device is arranged on the frame.

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of food production equipment, in particular to a folded sheet sealing and preheating device and rod inserting type food production equipment.

[ background of the invention ]

The packaging process of the rod-type food comprises a frozen stick, a cheese stick and a lollipop, and the packaging process of the rod-type food is carried out in a mode that a packaging piece is added outside the solidified and molded rod-type food. The method is characterized in that a plurality of processes are required between the solidification and the formation of the stick-type food and the completion of packaging, wherein the processing of the packaging bag is realized, the sealing step of the packaging bag is included, the packaging bag needs to be heated and pressed for sealing in the sealing step, the time required by the step is long, and the next operation can be carried out only when other processes wait for the completion of the step, so that the processing efficiency is influenced.

[ summary of the invention ]

The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a folded sheet sealing and preheating device which can improve the production efficiency.

In order to solve the technical problems, the invention adopts the following technical scheme:

fifty percent discount sheet involution preheating device includes:

an upper end preheating part for preheating the upper part of the folded sheet;

a lower preheating part for preheating the lower part of the folded sheet;

the sealing component is used for preliminarily sealing the folded sheet material and forming a cavity in the folded sheet material;

the forming part is used for further processing the folded sheet material, increasing the volume of the cavity and shaping the shape of the cavity;

the horizontal dragging component is used for dragging the folded sheet to move, sending the folded sheet into the upper end preheating component, sending the folded sheet into the lower end preheating component from the upper end preheating component, removing the folded sheet out of the lower end preheating component, sending the folded sheet into the sealing component, and removing the folded sheet subjected to primary sealing from the sealing component and sending the folded sheet into the forming component;

the upper preheating part comprises a first heating clamping plate and a second heating clamping plate, the first heating clamping plate and the second heating clamping plate can heat the upper part of the folded sheet, the lower preheating part comprises a third heating clamping plate and a fourth heating clamping plate, and the third heating clamping plate and the fourth heating clamping plate can heat the lower part of the folded sheet;

the sealing component comprises a first air blowing head, a first sealing clamping plate and a second sealing clamping plate, wherein a plurality of sheet shaping grooves are formed in one opposite side of the first sealing clamping plate and the second sealing clamping plate, the first air blowing head blows air into the folded sheet during sealing so that the sheet can be attached to the sheet shaping grooves to form the cavity, the forming component comprises a second air blowing head, a first forming clamping plate and a second forming clamping plate, a plurality of sheet forming grooves are formed in one opposite side of the first forming clamping plate and the second forming clamping plate, and the second air blowing head blows air into the cavity so that the outer wall of the cavity is attached to the sheet forming grooves during sheet processing;

the folding device comprises a clamping device for clamping folded sheets and a cam transmission device in transmission connection with the clamping device so as to realize reciprocating motion of a clamping component.

Further, upper end preheating part still includes the first base of preheating, sets up the supporting baffle on the first base of preheating, lower extreme preheating part includes that the second preheats the base, sets up power box on the base is preheated to the second, power box upper end with the supporting baffle upper end all is equipped with the metal sheet mount, metal sheet mount bottom fixed mounting metal baffle, two parts sheet of its fifty percent discount of fifty percent discount sheet are located respectively when the conveying metal baffle's both sides.

Further, upper end preheating part still include with first heating splint with the driving piece that the transmission of second heating splint is connected is used for the drive first heating splint with second heating splint are close to simultaneously or keep away from metal baffle, the driving piece is including setting up respectively the first actuating cylinder and the second actuating cylinder that drives of supporting the baffle both sides drive, first actuating cylinder with first heating splint are connected, the second drive actuating cylinder with second heating splint are connected, with the drive first heating splint with second heating splint are close to or keep away from metal baffle.

Furthermore, the lower end preheating component further comprises a transmission device arranged in the power box body, the transmission device is in transmission connection with the third heating clamp plate and the fourth heating clamp plate and is used for driving the third heating clamp plate and the fourth heating clamp plate to be close to or far away from the metal baffle plate at the same time, the transmission device comprises a first air cylinder and a second air cylinder, an upper group and a lower group of second connecting rods penetrating through the power box body are slidably mounted on the power box body, each group of second connecting rods at least comprises two connecting rods, the first heating clamp plate is slidably mounted on the second connecting rods, the second heating clamp plate is fixedly mounted at the end part of the second connecting rods, the first air cylinder controls the first heating clamp plate to slide on the second connecting rods, the second air cylinder controls the connecting rods to slide relative to the power box body, and a stop block is further arranged in the power box body, the stopper can move downwards between the first rod body and the second rod body when the first rod body and the second rod body move towards the direction away from each other so as to limit the positions of the first rod body and the second rod body.

Furthermore, the sealing component further comprises a first driving box body, a first driving device which is in transmission connection with the first sealing clamping plate and the second sealing clamping plate is arranged in the first driving box body and used for driving the first sealing clamping plate and the second sealing clamping plate to be close to or far away from each other so as to seal the preheated folded sheet, the first driving device comprises a lead screw assembly and upper and lower groups of third connecting rods which are arranged on the first driving box body in a sliding mode, each group of third connecting rods at least comprises two third connecting rods, the first sealing clamping plates are arranged on the third connecting rods in a sliding mode, the second sealing clamping plates are fixedly arranged on the third connecting rods, and the lead screw assembly controls the first sealing clamping plates to slide on the third connecting rods and the third connecting rods to slide relative to the first driving box body.

Furthermore, the forming part further comprises a second driving box body, a second driving device connected with the first forming clamp plate and the second forming clamp plate in a transmission manner is arranged in the second driving box body and used for driving the first forming clamp plate and the second forming clamp plate to approach or separate from each other, the second driving device comprises an oil cylinder assembly and an upper group and a lower group of fourth connecting rods slidably mounted on the second driving box body, each group of the fourth connecting rods at least comprises two connecting rods, the first forming clamp plate is slidably mounted on the fourth connecting rods, the second forming clamp plate is fixedly mounted on the fourth connecting rods, and the oil cylinder assembly controls the sliding of the first sealing clamp plate on the fourth connecting rods and the sliding of the fourth connecting rods relative to the second driving box body.

Further, the cam transmission device comprises at least two guide rods arranged in the horizontal direction and a driving seat slidably mounted on the at least two guide rods, the clamping device is in transmission connection with the driving seat, the cam transmission device further comprises a cam mechanism and a connecting rod mechanism in transmission fit with the cam mechanism, the connecting rod mechanism comprises a rotating shaft rotatably mounted on the mounting support, and a first hinged rod and a second hinged rod which are fixedly connected with the rotating shaft, the first hinged rod is connected with the driving seat, an included angle between the first hinged rod and the second hinged rod is 80-100 degrees, and the cam mechanism controls the first hinged rod to swing in the horizontal direction and the second hinged rod to swing in the vertical direction so as to realize the reciprocating motion of the clamping device.

Furthermore, the length of the second hinge rod is smaller than that of the first hinge rod, the cam mechanism comprises a first cam and a second cam which are coaxially arranged, one end of the first hinge rod is fixedly connected with the rotating shaft, the other end of the first hinge rod is connected with the driving seat, the first hinge rod is located on the side portion of the first cam and keeps against the periphery of the first cam, the second hinge rod is located on the upper portion of the second cam, one end of the second hinge rod is fixedly connected with the rotating shaft, and the other end of the second hinge rod keeps against the periphery of the second cam.

Further, clamping device includes the arm lock, the arm lock has the centre gripping state and loosens the state, when the arm lock is the centre gripping state, cam gear control the arm lock forward movement, when the arm lock is for loosening the state, cam gear control the arm lock resets, clamping device includes a plurality of the arm lock, the fixing base that the arm lock includes, set up the clamp splice on the fixing base and be used for control the clamp splice centre gripping or loosen the centre gripping cylinder of article.

Inserting rod class food production facility, including frame and foretell fifty percent discount sheet involution preheating device, the frame tip is equipped with the sheet fifty percent discount device, fifty percent discount sheet involution preheating device sets up in the frame.

The invention has the beneficial effects that:

the invention provides a folded sheet preheating device, which is divided into a preheating part, a sealing part and a horizontal dragging part, wherein the preheating part comprises an upper preheating part and a lower preheating part which are respectively used for preheating the upper part and the lower part of a folded sheet instead of directly heating the sealing sheet, preheating is firstly carried out, and sealing is carried out in subsequent processing steps, so that the time required by each step can be saved, the production efficiency is improved, the sealing part is divided into the sealing part and a forming part, a cavity with a certain shape is formed in the folded sheet through two-step sealing operation, when the food is produced, raw materials of the food are injected into the cavity to form the food with a certain shape, the folded sheet is formed into a packaging bag in the device, the packaging bag is divided into the preheating part and the sealing part instead of being directly finished in one step, and the time required by directly finishing the whole process is longer, the product quality can not be guaranteed, and after the product is divided into a plurality of parts, each part can effectively process the sheet in the time period when the sheet stops conveying in the intermittent motion process of the horizontal dragging part, so that the production efficiency is improved;

the preheated sheet is softer in texture and beneficial to the subsequent sealing step, the crease of the folded sheet is positioned at the lower end of the sheet, the bending part is arc-shaped, and after the preheating action of the lower end preheating part, the sheet can be shaped by hot pressing, so that the bending part is conformable, and the sheet is beneficial to forming.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic structural diagram of a folded sheet sealing and preheating device in an embodiment of the present invention;

FIG. 2 is a schematic front side view of an upper preheating part according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an upper preheating part according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a lower preheating part according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of the lower preheating part without heating the sheet in the embodiment of the present invention;

FIG. 6 is a schematic view of the lower preheating part heating the sheet in the embodiment of the present invention;

fig. 7 is a schematic view of a closure assembly according to an embodiment of the present invention;

fig. 8 is a cross-sectional view of a closure member in an embodiment of the present invention;

FIG. 9 is a cross-sectional view of the folded sheet after treatment by the sealing member;

FIG. 10 is a schematic view of the structure of a molded part in an embodiment of the invention;

FIG. 11 is a cross-sectional view of a molded part in an embodiment of the invention;

FIG. 12 is a cross-sectional view of the folded sheet after processing by the forming member;

FIG. 13 is a schematic view of a cam gear in an embodiment of the present invention;

FIG. 14 is a side view of a cam gear in an embodiment of the present invention;

FIG. 15 is a side view of an upper preheating component in an embodiment of the present invention;

FIG. 16 is a side view of a cam gear in an embodiment of the present invention;

FIG. 17 is a schematic structural view of a rod-inserting food production apparatus according to an embodiment of the present invention;

fig. 18 is a schematic structural view of a clamping arm in an embodiment of the present invention.

Reference numerals:

an upper-end preheating part 100;

the sheet preheating device comprises a first preheating base 110, a supporting partition 111, a sheet inlet side 112, a sheet outlet side 113, a first heating clamp plate 120, a second heating clamp plate 130, a first driving cylinder 140, a second driving cylinder 141, a rod slide 142, a first connecting rod 143, a lifting device 150, a guide column 151, a mounting plate 152, a first fixing plate 153, an adjusting rod 154, a second fixing plate 155, a limiting assembly 160, a limiting bracket 161, a push plate 162, a limiting gap 163, a push plate cylinder 164 and a guide wheel 165;

a lower preheating part 200;

a second pre-heat base 210; a power box 220, a transmission device 221, a first cylinder 222, a first rod 2221, a first connecting rod 2222, a second cylinder 223, a second rod 2231, a connecting plate 2232, a second connecting rod 2233, a second connecting rod 224, a third heating clamp plate 230, a fourth heating clamp plate 240 and a stop 250;

a sealing member 300;

the first driving box 310, the first sealing clamp plate 320, the second sealing clamp plate 321, the sheet shaping groove 322, the first clamping groove 323, the first driving device 330, the lead screw assembly 331, the third connecting rod 332, the lifting motor 333, the threaded shaft 334, the first lifting sleeve 335, the first rod 336, the second rod 337, the first connecting plate 338, the first blowing support 340 and the first blowing head 341;

a molded part 400;

the second driving box body 410, the first forming clamp plate 420, the second forming clamp plate 421, the sheet forming groove 422, the second clamping groove 423, the second driving device 430, the oil cylinder assembly 431, the fourth connecting rod 432, the oil cylinder 433, the telescopic rod 434, the second lifting sleeve 435, the third rod 436, the fourth rod 437, the second connecting plate 438, the second blowing bracket 440 and the second blowing head 441;

a horizontal drag part 500;

the clamping device 510, the clamping arm 511, the fixed seat 512, the clamping block 513, the clamping cylinder 514, the cam transmission device 520, the guide rod 521, the driving seat 522, the cam mechanism 523, the first cam 5231, the second cam 5232, the link mechanism 5240, the rotating shaft 5241, the first hinge rod 5242, the second hinge rod 5243, the third hinge rod 5244, the rod body fixed seat 5245, the guide link rod 5246, the link slider 5247, the first round pin 5248, the second round pin 5249, the mounting bracket 530 and the driving motor 540;

the heating device comprises a metal plate fixing frame 600, a metal baffle 610, a clamping piece mounting plate 620 and a heating clamping piece 630;

a frame 700, a sheet doubling device 710 and a transmission rod 720.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 14, an embodiment of the present invention discloses a folded sheet sealing and preheating device, including: an upper end preheating part 100 for preheating an upper portion of the folio sheet; a lower preheating part 200 for preheating the lower portion of the folded sheet; a sealing member 300 for preliminarily sealing the folded sheet to form a cavity in the folded sheet; a molding part 400 for further processing the folded sheet to increase the volume of the cavity and shape the shape of the cavity; and a horizontal drawing unit 500 for drawing the folio sheet intermittently, feeding the folio sheet into the upper preheating unit 100, feeding the folio sheet from the upper preheating unit 100 into the lower preheating unit 200, moving the folio sheet out of the lower preheating unit 200 into the sealing unit 300, and moving the preliminarily sealed folio sheet out of the sealing unit 300 and feeding the same into the molding unit 400.

A folio sheet preheating device is divided into a preheating part, a sealing part and a horizontal dragging part 500, wherein the preheating part comprises an upper preheating part 100 and a lower preheating part 200 which are respectively used for preheating the upper part and the lower part of a folio sheet instead of directly heating the sealing sheet, preheating is firstly carried out, and then sealing is carried out in subsequent processing steps, so that the time required by each step can be saved, the production efficiency is improved, the sealing part is divided into a sealing part 300 and a forming part 400, a cavity with a certain shape is formed in the folio sheet through two-step sealing operation, food with a certain shape can be formed by injecting raw materials of the food into the cavity when the food is produced, the folio sheet is formed into a packaging bag in the device, the packaging bag is divided into the preheating part and the sealing part instead of being directly finished in one step, and the time required by directly finishing the whole process is longer, the product quality cannot be guaranteed, and after the parts are divided into a plurality of parts, each part can effectively process the sheet in the time period when the sheet stops conveying in the intermittent movement process of the horizontal dragging part 500, so that the production efficiency is improved;

the preheated sheet is softer in texture and beneficial to the subsequent sealing step, the crease of the folded sheet is positioned at the lower end of the sheet, the bending part is arc-shaped, and after the preheating action of the lower end preheating component 200, the sheet can be molded by hot pressing, so that the bending part is fitted, and the sheet is beneficial to molding.

Wherein, in the above, the upper preheating part 100 includes a first preheating base 110, a supporting partition 111 disposed on the first preheating base 110, the lower preheating part 200 includes a second preheating base 210, a power box 220 disposed on the second preheating base 210, and a transmission device 221 disposed in the power box 220, the upper end of the power box 220 and the upper end of the supporting partition 111 are both provided with a metal plate fixing frame 600, the bottom of the metal plate fixing frame 600 is fixedly provided with a metal baffle 610, two folded sheets are respectively located at two sides of the metal baffle 610 when the folded sheets are conveyed, the upper preheating part 100 further includes a first heating clamp plate 120 and a second heating clamp plate 130 disposed at two sides of the metal baffle 610, and a driving member in transmission connection with the first heating clamp plate 120 and the second heating clamp plate 130 to drive the first heating clamp plate 120 and the second heating clamp plate 130 to be close to or far away from the metal baffle 610, the lower preheating part 200 further comprises a third heating clamping plate 230 and a fourth heating clamping plate 240 which are arranged on two sides of the metal baffle 610, and the transmission device 221 is in transmission connection with the third heating clamping plate 230 and the fourth heating clamping plate 240 so as to drive the third heating clamping plate 230 and the fourth heating clamping plate 240 to be close to or far away from the metal baffle 610 simultaneously.

The two preheating parts work in a similar principle, and when preheating, the two folded sheets are located at two sides of the metal baffle 610, so that when two heating splints are used to preheat the two folded sheets close to each other, the two sheets will not contact each other and stick together, the first heating splint 120, the second heating splint 130, the third heating splint 230 and the fourth heating splint 240 have substantially the same structure, including the clip mounting plate 620 and the heating clips 630 disposed on the clip mounting plate 620, except that the clip mounting plate 620 has a different shape, the heating clips 630 can generate heat to preheat the folded sheets, in the upper preheating part 100, the first heating splint 120 and the second heating splint 130 are disposed at two sides of the upper end of the folded sheets, in the lower preheating part 200, the third heating splint 230 and the fourth heating splint 240 are disposed at two sides of the lower end of the folded sheets, so that the upper and lower portions of the folded sheet can be preheated, respectively; in the present apparatus, the processed folded sheet is formed by folding a sheet in half, having two sheets on both sides of the fold, and having a long overall sheet length, and the stations for heating the sheet are preferably concentrated together or otherwise lose heat which is detrimental to processing the sheet, so that the upper and lower preheating parts 100 and 200 are arranged together, and the upper portion of the sheet is heated in the first step, and the conveying power is provided by holding the upper portion of the sheet in the next step.

The sealing member 300 includes a first driving case 310, a first sealing clamp 320 and a second sealing clamp 321 are disposed at a side of the first driving case 310, a first driving device 330 is disposed in the first driving case 310 and is in transmission connection with the first sealing clamp 320 and the second sealing clamp 321, for driving the first sealing jaw 320 and the second sealing jaw 321 to move toward or away from each other, to seal the preheated folded sheet, a first blowing bracket 340 is disposed at the upper end of the first driving box 310, a first blowing head 341 is connected to the lower end of the first blowing bracket 340, the first sealing clamp plate 320 and the second sealing clamp plate 321 are respectively disposed at two sides of the first blowing head 341, and a plurality of sheet material shaping grooves 322 are arranged on the opposite sides of the first sealing splint 320 and the second sealing splint 321, when the folded sheet materials are sealed, the first blowing head 341 blows high pressure air between the first sealing jaw 320 and the second sealing jaw 321.

After the folded sheet is preheated, the sealing component 300 starts to process the folded sheet, the upper end and the lower end of the folded sheet are sealed, when the folded sheet is sealed, the first blowing head 341 is positioned between the two sheets, the first driving device 330 drives the first sealing clamp plate 320 and the second sealing clamp plate 321 to move towards the folded sheet, the two sheets and the first blowing head 341 are clamped between the two sheets, a first clamping groove 323 matched with the first blowing head 341 is arranged on one side opposite to the first sealing clamp plate 320 and the second sealing clamp plate 321, the first blowing head 341 is positioned in the first clamping groove 323 when being clamped by the first sealing clamp plate 320 and the second sealing clamp plate 321, so as to ensure that high-pressure air blown by the first blowing head 341 can enter between the two sheets, the high-pressure air can blow the sheet to enable part of the sheet to enter the sheet fixing groove 322, other sheets are mutually attached to each other, the sheet is heated and sealed, and the sheet entering the sheet fixing groove 322 is also heated and shaped, a cavity can be formed in the folded sheet, as shown in fig. 9, where the middle portion of the folded sheet is arched to both sides, and the cavity is formed in the middle portion, and then the first driving device 330 drives the first sealing jaw 320 and the second sealing jaw 321 to release the sheet, so that the sheet can be transferred to the forming member 400.

The forming part 400 comprises a second driving box body 410, a first forming clamp plate 420 and a second forming clamp plate 421 are arranged at the side of the second driving box body 410, a second driving device 430 in transmission connection with the first forming clamp plate 420 and the second forming clamp plate 421 is arranged in the second driving box body 410 and used for driving the first forming clamp plate 420 and the second forming clamp plate 421 to approach or separate from each other, a second blowing bracket 440 is arranged at the upper end of the second driving box body 410, a second blowing head 441 is connected to the lower end of the second blowing bracket 440, the first forming clamp plate 420 and the second forming clamp plate 421 are respectively located at two sides of the second blowing head 441, a plurality of sheet forming grooves 422 are arranged at one opposite side of the first forming clamp plate 420 and the second forming clamp plate 421, and when the sheet is sealed and folded, high-pressure air is blown between the first forming clamp plate 420 and the second forming clamp plate 421 by the second blowing head 441.

The structure of the forming member 400 is similar to that of the sealing member 300, and the sheet material sealed and shaped by the sealing member 300 can be further processed. When processing sheets, the second blowing head 441 is located between two sheets, the first forming clamp 420 and the second forming clamp 421 are driven by the second driving device 430 to move towards the folded sheet, the two sheets and the second blowing head 441 are clamped between the two sheets, a second clamping groove 423 matched with the second blowing head 441 is arranged on one side opposite to the first forming clamp 420 and the second forming clamp 421, the second blowing head 441 is located in the second clamping groove 423 when being clamped by the first forming clamp 420 and the second forming clamp 421, so as to ensure that high-pressure air blown by the second blowing head 441 can enter a cavity formed in the two sheets after being sealed by the sealing part 300, so that the cavity is further enlarged, referring to fig. 12, it can be seen that the extent that the middle cavity of the folded sheet arches towards two sides is obviously increased compared with the figure, the sheet is attached to the inner wall of the sheet forming groove 422 and is heated and shaped, the outer package of the product is preliminarily formed, and then the second driving means 430 drives the first forming nip 420 and the second forming nip 421 to release the grip of the sheet material so that the sheet material can be transferred out of the forming member 400.

The sealing process of sheet has included sealing and sheet internal cavity to form two steps, and the sealing process divide into two steps and goes on, and when first sealing, form the cavity of slight hunch-up, when second sealing, enlarge the cavity volume, do not need partly to form, and two steps add up required time and can exceed the time that one shot forming needs after separating, but forming part 400 is when the secondary treatment sheet, and sealing part 300 is also handling the sheet, so, can promote machining efficiency.

The horizontal dragging component 500 comprises a clamping device 510 for clamping the folded sheet and a cam transmission device 520 in transmission connection with the clamping device 510 to realize the reciprocating motion of the clamping device, the folded sheet is clamped by the clamping device 510, the clamping device 510 can reciprocate under the action of the cam transmission device 520 to continuously convey the folded sheet, the folded sheet does intermittent motion along with the clamping device 510, the clamping device 510 starts to reset after conveying the folded sheet, the upper end preheating component 100, the lower end preheating component 200, the sealing component 300 and the forming component 400 can process the sheet when the folded sheet stops moving, after each part finishes corresponding processing, the clamping device 510 finishes resetting to continuously clamp the folded sheet to start transmission, and sends the processed folded sheet to next processing equipment, thus, the time segments can be effectively utilized, greatly improving the production efficiency.

Referring to fig. 2 to 6, in particular, in another embodiment of the present invention, the driving member includes a first driving cylinder 140 and a second driving cylinder 141 respectively disposed at both sides of the support partition 111, the first driving cylinder 140 is connected to the first heating clamp plate 120, and the second driving cylinder 141 is connected to the second heating clamp plate 130 to drive the first heating clamp plate 120 and the second heating clamp plate 130 to approach or separate from the metal baffle 610; the driving device 221 includes a first cylinder 222 and a second cylinder 223, the first cylinder 222 is in driving connection with the third heating clamp plate 230, and the second cylinder 223 is in driving connection with the fourth heating clamp plate 240 to drive the third heating clamp plate 230 and the fourth heating clamp plate 240 to approach or separate from the metal baffle 610.

The displacement of the first heating clamping plate 120, the second heating clamping plate 130, the third heating clamping plate 230 and the fourth heating clamping plate 240 is realized by the driving of the air cylinders, the moving directions of the first heating clamping plate 120 and the second heating clamping plate 130 are opposite, the moving directions of the third heating clamping plate 230 and the fourth heating clamping plate 240 are opposite, the first driving air cylinder 140 and the second driving air cylinder 141 are respectively used for controlling the movement of the first heating clamping plate 120 and the second heating clamping plate 130, and the first air cylinder 222 and the second air cylinder 223 are respectively used for controlling the movement of the third heating clamping plate 230 and the fourth heating clamping plate 240, so that the sheet can be close to or far away from the sheet at the same time, and the sheet can be subjected to preheating treatment.

Referring to fig. 7, 8, 10 and 11, in another embodiment of the present invention, the first driving device 330 includes a screw assembly 331, two upper and lower sets of third connecting rods 332 slidably mounted on the first driving housing 310, each set of third connecting rods 332 includes two, the first sealing clamp 320 is slidably mounted on the third connecting rods 332, the second sealing clamp 321 is fixedly mounted on the third connecting rods 332, and the screw assembly 331 controls the sliding of the first sealing clamp 320 on the third connecting rods 332 and the sliding of the third connecting rods 332 relative to the first driving housing 310.

Lead screw assembly 331 is different with the cylinder, can provide big and stable power to guarantee the centre gripping sheet that first involution splint 320 and second involution splint 321 can be firm, make the sheet after the involution quality problems such as bubble can not appear, the high-pressure air that first blowing head 341 insufflates can not enter into in the gap between the sheet yet and lead to the cavity that forms in the fifty percent discount sheet to be not conform to the standard.

The second driving device 430 includes an oil cylinder assembly 431, and two sets of upper and lower fourth connecting rods 432 slidably mounted on the second driving case 410, each set of the fourth connecting rods 432 includes two, the first forming clamp 420 is slidably mounted on the fourth connecting rods 432, the second forming clamp 421 is fixedly mounted on the fourth connecting rods 432, and the oil cylinder assembly 431 controls the sliding of the first sealing clamp 320 on the fourth connecting rods 432 and the sliding of the fourth connecting rods 432 relative to the second driving case 410.

The cylinder assembly 431 is the same as the screw assembly 331 in the above, can both provide big and stable mold closing force, guarantee involution effect and higher yield, under the effect of force that the cylinder assembly 431 provided, the high-pressure air that enables the second blowing head 441 to blow can enter into the folded sheet in the cavity that forms after the involution part 300 is handled, make the cavity inflation, the sheet hugs closely the sheet shaping groove 422 inner wall and is heated moulding, and can not tear the cavity edge because the not tight reality enough of pressure and lead to high-pressure air to reveal, the product of scrapping appears.

Referring to fig. 13 and 14, in another embodiment of the present invention, the horizontal dragging member 500 further includes a mounting bracket 530, a driving motor 540 disposed at a side of the mounting bracket 530, a cam gear 520 disposed at another side of the mounting bracket 530 and in driving connection with the driving motor 540, the cam gear 520 includes at least two guide rods 521 disposed in a horizontal direction and a driving seat 522 slidably mounted on the at least two guide rods 521, the clamping device 510 is in driving connection with the driving seat 522, the cam gear 520 further includes a cam mechanism 523 and a link mechanism 5240 in driving engagement with the cam mechanism 523, the link mechanism 5240 includes a rotating shaft 5241 rotatably mounted on the mounting bracket 530 and a first hinge rod 5242 and a second hinge rod 5243 fixedly connected to the rotating shaft 5241, the first hinge rod 5242 is connected to the driving seat 522, and an included angle between the first hinge rod 5242 and the second hinge rod 5243 is 80-100 degrees, the cam mechanism 523 controls the first hinge lever 5242 to swing in the horizontal direction and the second hinge lever 5243 to swing in the vertical direction, so as to achieve the reciprocating motion of the clamping device 510.

The cam transmission device 520 realizes the reciprocating motion of the clamping device 510 through the transmission matching of the cam mechanism 523 and the link mechanism 5240, a certain included angle is formed between the first hinged rod 5242 and the second hinged rod 5243, so that the two hinged rods can swing in the vertical direction and the horizontal direction respectively, the first hinged rod 5242 and the second hinged rod 5243 are fixedly arranged on the rotating shaft 5241, the two links keep synchronous motion, when the first hinged rod 5242 swings in the horizontal direction in the positive direction, namely the clamping device 510 moves in the positive direction, the second hinged rod 5243 can be driven to swing downwards, the second hinged rod 5243 swings upwards to drive the first hinged rod 5242 to reset, namely the clamping device 510 resets, and the stability of the cam transmission device 520 can be improved through the matching of the two links; the included angle between the first hinged rod 5242 and the second hinged rod 5243 is set to be 80-100 degrees, the cam mechanism 523 is arranged in a sufficient space between the two hinged rods, the included angle between the two is too small, the length of the two hinged rods needs to be increased in order to ensure the displacement distance of the clamping device 510, the included angle between the two is too large, and the size of the cam mechanism 523 is too large, so that the cam mechanism is not beneficial to installation.

Further, the reciprocating movement of the driving holder 522 is controlled by the first hinge lever 5242, so that the reciprocating movement displacement of the driving holder 522 is directly related to the length of the first hinge lever 5242, and in order to secure the displacement distance of the driving holder 522 without enlarging the size of the cam gear 520, the length of the second hinge lever 5243 is set to be smaller than the length of the first hinge lever 5242, the swing angle of the second hinge lever 5243 is identical to that of the first hinge lever 5242, and the length of the second hinge lever 5243 is shortened, so that the range covered by the second hinge lever 5243 when the second hinge lever 5243 swings can be reduced, and a large space does not need to be reserved in the height direction of the second hinge lever 5243, and in an actual product, the length of the first hinge lever 5242 is smaller than half of the length of the first hinge lever 5242.

Since the first hinge lever and the second hinge lever have different lengths but the same rotation angle during the transmission process, referring to fig. 13 and 14, in another embodiment of the present invention, the cam mechanism 523 includes two cams, a first cam 5231 and a second cam 5232, which are coaxially disposed, the first hinge lever 5242 has one end fixedly connected to the rotating shaft 5241 and the other end connected to the driving seat 522, the first hinge lever 5242 is located at the side of the first cam 5231 and is kept against the periphery of the first cam 5231, the second hinge lever 5243 is located at the upper portion of the second cam 5232, one end of the second hinge lever 5243 is fixedly connected to the rotating shaft 5241 and the other end is kept against the periphery of the second cam 5232.

The swing of the first hinge lever 5242 is controlled by a first cam 5231, the swing of the second hinge lever 5243 is controlled by a second cam 5232, the edge of the cam is in contact with the hinge lever, the edge of the cam is located farther from the center of rotation thereof, and the swing angle of the two hinge levers and the displacement distance of the clamping device 510 can be ensured; if the first hinge lever 5242 is arranged at the left side of the first cam 5231, when the first cam 5231 pushes the first hinge lever 5242 to move rightwards, the clamping device 510 moves rightwards, meanwhile, the second hinge lever 5243 is driven by the first hinge lever 5242 to swing downwards, the first cam 5231 continues to rotate, the first hinge lever 5242 cannot be controlled to reset, the second cam 5232 pushes the second hinge lever 5243 to swing upwards, the first hinge lever 5242 is driven to move leftwards to reset and simultaneously drive the clamping device 510 to move leftwards, the two cams are only responsible for swinging in one direction of the hinge levers contacted with the two cams, the two hinge levers are connected with each other to realize linkage, the cams only abut against the hinge levers, therefore, the abrasion between the cams during the transmission process is small, and the loss of the equipment is reduced.

Referring to fig. 2 and 3, in another embodiment of the present invention, the arrangement structure of the first heating nip plate 120 and the second heating nip plate 130 is specifically illustrated:

the first preheating base 110 is provided with a rod slide 142, the rod slide 142 is provided with two first connecting rods 143 which penetrate through the supporting partition 111 and are in sliding fit with the supporting partition 111, the first heating clamp plate 120 is slidably mounted on the two first connecting rods 143, the second heating clamp plate 130 is fixedly mounted on the two first connecting rods 143, a piston rod of the second driving cylinder 141 is fixedly connected with the two first connecting rods 143 through a connecting plate, and a piston rod of the first driving cylinder 140 penetrates through the supporting partition 111 and is fixedly connected with the first heating clamp plate 120.

When the second driving cylinder 141 is started, the piston rod of the second driving cylinder can move through the connecting plate and simultaneously take the two first connecting rods 143 to move, when the first connecting rods 143 move, the second heating splint 130 can be driven to move simultaneously along with the first connecting rods 143, the stability of the second heating splint 130 when moving can be guaranteed by the two first connecting rods 143, rotation or position deviation cannot occur, when the first driving cylinder 140 is started, the piston rod of the first driving cylinder can directly drag the first heating splint 120 to move along the first connecting rods 143, and the stability of the heating splint when moving can be guaranteed by the two first connecting rods 143.

Referring to fig. 4 to 6, in another embodiment of the present invention, an arrangement structure of the third heating nip plate 230 and the fourth heating nip plate 240 is specifically described:

an upper group and a lower group of second connecting rods 224 penetrating through the power box 220 are slidably mounted on the power box 220, each group of second connecting rods 224 at least comprises two, a third heating clamp plate 230 is slidably mounted on the second connecting rods 224, a fourth heating clamp plate 240 is fixedly mounted at the end part of the second connecting rods 224, a first air cylinder 222 controls the third heating clamp plate 230 to slide on the second connecting rods 224, and a second air cylinder 223 controls the second connecting rods 224 to slide relative to the power box 220.

When the first cylinder 222 works, the third heating clamp plate 230 can be driven to slide along the second connecting rod 224, when the third heating clamp plate 230 slides, the second connecting rod 224 cannot be driven to move, when the second cylinder 223 works, the second connecting rod 224 can be driven to move, when the second connecting rod 224 moves, the position of the fourth heating clamp plate 240 changes along with the second connecting rod 224, and when the second connecting rod 224 moves, the third heating clamp plate 230 cannot be driven to move, so that the third heating clamp plate 230 and the fourth heating clamp plate 240 can be close to or far away from the metal baffle 610.

Further, a first rod body 2221 and a second rod body 2231 are arranged in the power box body 220, a connecting plate body 2232 installed at the end of the second connecting rod 224 is arranged outside the power box body 220, a first connecting rod 2222 extending into the power box body 220 and connected with the first rod body 2221 is arranged on the third heating clamp plate 230, a second connecting rod 2233 extending into the power box body 220 and connected with the second rod body 2231 is arranged on the connecting plate body 2232, a first cylinder 222 and a second cylinder 223 are respectively arranged on two opposite side walls in the power box body 220, a piston rod of the first cylinder 222 is connected with the first rod body 2221, and a piston rod of the second cylinder 223 is connected with the second rod body 2231.

When the first cylinder 222 is started, the piston rod thereof can drive the first rod 2221 to move synchronously, when the first rod 2221 moves, the third heating clamp plate 230 can be driven to move by the first connecting rod 2222, when the second cylinder 223 is started, the piston rod can drive the second rod 2231 to move synchronously, the second rod 2231 drives the connecting plate 2232 to move through the second connecting rod 2233 when moving, the connecting plate 2232 drives the fourth heating clamp 240 to move through the fixed connection with the second connecting rod 224, therefore, the displacement of the third heating clamp plate 230 and the fourth heating clamp plate 240 can be controlled simultaneously, and a stop 250 is further disposed in the power box 200, and when the first rod 2221 and the second rod 2231 move in a direction away from each other, the stop 250 moves down between the first rod 2221 and the second rod 2231, and limits the positions of the first rod 2221 and the second rod 2231, so as to maintain the clamping state of the third heating clamp plate 230 and the fourth heating clamp plate 240.

Referring to fig. 8 and 11, based on the above embodiment, the structures of the lead screw assembly 331 and the cylinder assembly 431 are specifically described in another embodiment of the present invention:

the lead screw assembly 331 comprises a lifting motor 333 arranged at the upper end of the first driving box 310, a threaded shaft 334 located in the first driving box 310 and connected with an output shaft of the lifting motor 333, and a first lifting sleeve 335 in threaded fit with the threaded shaft 334, wherein a first rod 336 and a second rod 337 are hinged to two sides of the first lifting sleeve 335, the first rod 336 extends out of the first driving box 310 and is hinged to the first sealing clamp plate 320, a first connecting plate 338 is hinged to the end of the second rod 337, and the first connecting plate 338 is fixedly mounted on the third connecting rod 332.

In the operation process, the lifting motor 333 is started to drive the threaded shaft 334 to rotate, the first lifting sleeve 335 is limited by the rotation of the first rod 336 and the second rod 337 and can only move axially along the threaded shaft 334, the first rod 336 and the second rod 337 can simultaneously push the first sealing clamp plate 320 and the first connecting plate 338 to move, the first connecting plate 338 can drive the third connecting rod 332 and the second sealing clamp plate 321 arranged on the third connecting rod 332 to move when moving, and the position of the first sealing clamp plate 320 cannot be influenced, so that the first sealing clamp plate 320 and the second sealing clamp plate 321 can simultaneously move, the third connecting rods 332 can enable the first sealing clamp plate 320 and the second sealing clamp plate 321 to stably move, no position deviation occurs, and the mold closing effect is ensured.

The oil cylinder assembly 431 comprises an oil cylinder 433 arranged at the upper end of the second driving case 410, a telescopic rod 434 positioned in the second driving case 410 and connected with the oil cylinder 433, and a second lifting sleeve 435 positioned on the telescopic rod 434, wherein a third rod 436 and a fourth rod 437 are hinged to two sides of the second lifting sleeve 435, the third rod 436 extends out of the second driving case 410 and is hinged to the first forming clamp plate 420, a second connecting plate 438 is hinged to the end of the fourth rod 437, and the second connecting plate 438 is fixedly mounted on the fourth connecting rod 432.

During transmission, the oil cylinder 433 starts to control the telescopic rod 434 to stretch, the second lifting sleeve 435 can move synchronously along with the telescopic rod 434, in the moving process, the third rod 436 and the fourth rod 437 can push the first sealing clamping plate 320 and the second connecting plate 438 to move simultaneously, the second connecting plate 438 can drive the fourth connecting rod 432 and the second sealing clamping plate 321 installed on the fourth connecting rod 432 to move synchronously when moving, the position of the first sealing clamping plate 320 cannot be influenced, therefore, the first sealing clamping plate 320 and the second sealing clamping plate 321 can move simultaneously, the fourth connecting rods 432 can enable the first sealing clamping plate 320 and the second sealing clamping plate 321 to move stably, position deviation cannot occur, and the mold closing effect is guaranteed.

Referring to fig. 13 and 14, based on the above embodiment, in another embodiment of the present invention, a transmission connection structure between the first hinge lever 5242 and the driving seat 522 is specifically described, specifically:

the driving seat 522 is connected to the first hinge rod 5242 by a third hinge rod 5244, one end of the third hinge rod 5244 is connected to the driving seat 522, and the other end is hinged to the first hinge rod 5242, so that when the first hinge rod 5242 swings, the movement locus of the end is arc-shaped instead of horizontal, and the reciprocating movement of the driving seat 522 can be controlled by hinging the third hinge rod 5244.

If so, the movement locus of the end of the third hinge rod 5244 connected to the first hinge rod 5242 is also arc-shaped, which results in a short displacement distance of the driving seat 522 and is not beneficial to the product delivery, for this reason, a rod holder 5245 is disposed on the first hinge rod 5242, at least two guide links 5246 are fixedly connected to the rod holder 5245, at least two guide links 5246 extend in the length direction of the first hinge rod 5242, a link slider 5247 is slidably mounted on at least two guide links 5246, one end of the third hinge rod 5244 is hinged to the link slider 5247, the other end is fixedly connected to the driving seat 522, at least two guide links 5246 can limit the rotation of the link slider 5247, so that the link slider 5247 only slides along the guide links 5246, the guide links 5246 can synchronously swing with the first hinge rod 5242 under the action of the rod holder 5245, and thus, when the first hinge rod 5242 swings, the third hinge bar 5244 reciprocates in the horizontal direction, and the link slider 5247 slides along the guide link 5246, maintaining the third hinge bar 5244 horizontal, thereby maintaining the clamping device 510 at a fixed displacement distance.

Referring to fig. 1, in another embodiment of the present invention, the structure of the holding device 510 is specifically described:

the clamping device 510 comprises a plurality of clamping arms 511, which can clamp a plurality of parts of the folded sheet, the clamping arms 511 have a clamping state and a loosening state, when the clamping arms 511 are in the clamping state, the cam transmission device 520 controls the clamping arms 511 to move forward (the forward movement refers to the transmission direction of the downward preheating component 200 of the folded sheet), when the clamping arms 511 are in the loosening state, the cam transmission device 520 controls the clamping arms 511 to reset, the clamping arms 511 comprise a fixed seat 512, the fixed seat 512 is provided with a clamping block 513 and a clamping cylinder 514 which controls the clamping block 513 to clamp or loosen the article, the clamping device 510 provides clamping force for the clamping block 513 through the clamping cylinder 514, the thrust of the cylinder is not very large, so that the product clamped by the clamping block 513 cannot be damaged due to large clamping force, the response speed of the cylinder is high, quick clamping and quick loosening can be realized, so as to realize reciprocating motion by matching with, the product cannot be driven to move in the resetting process.

A clamp arm 511 is also provided on the lower preheating part 200, and the clamp arm 511 is provided on the power box 220, and is used for clamping the upper part of the folded sheet in the preheating process, so as to maintain the folded state of the sheet, and not to affect the preheating operation of the lower end of the sheet.

Referring to fig. 2, 3 and 15, based on the above-mentioned embodiment, in another embodiment of the present invention, the upper preheating part 100 further includes a lifting device 150, the lifting device 150 includes at least two guide posts 151, a mounting plate 152 slidably mounted on the at least two guide posts 151, and an adjusting member for adjusting the height position of the mounting plate 152 on the at least two guide posts 151, and the supporting partition 111 is connected to the mounting plate 152.

The lifting device 150 adjusts the height position of the mounting plate 152 on the guide post 151 through an adjusting member, and when the position of the mounting plate 152 is adjusted, the positions of the first heating clamp plate 120, the second heating clamp plate 130 and the metal baffle 610 are changed correspondingly, so that the height position of the folded sheet can be adjusted.

The adjusting member comprises a first fixing plate 153 fixed on the two upper guide posts 151 and an adjusting rod 154 in threaded fit with the first fixing plate 153, a second fixing plate 155 rotatably connected with the adjusting rod 154 is slidably mounted on the two guide posts 151 below the first fixing plate 153, and the second fixing plate 155 is connected with the mounting plate 152.

The adjusting rod 154 is rotated, the axial displacement of the adjusting rod 154 is limited by the second fixing plate 155, the adjusting rod 154 moves up and down relative to the first fixing plate 153 by the thread fit of the adjusting rod 154 and the first fixing plate 153, the adjusting rod 154 can drive the second fixing plate 155 to move synchronously with the adjusting rod when moving, and thus, the mounting plate 152 and the support partition 111 mounted on the mounting plate 152 can also lift along with the lifting of the adjusting rod 154 by the connection of the second fixing plate 155 and the mounting plate 152, so that the metal baffle 610, the first heating clamp plate 120 and the second heating clamp plate 130 can lift synchronously, and the height position can be adjusted.

In the initial stage of the processing of the folded sheet, the holding device cannot enter the upper end preheating part, so when the end part of the folded sheet enters the upper end preheating part, there may be a case where the sheet cannot be kept in the folded state, and for this reason, referring to fig. 2 and 3, in another embodiment of the present invention, a limiting component 160 capable of keeping the folded sheet in half is further disposed on the upper preheating component 100, one side of the upper preheating component 100 is a sheet inlet side 112, the other side is a sheet outlet side 113, the limiting component 160 is disposed on the sheet inlet side 112, in the above, the limit assembly 160 includes a limit bracket 161, a push plate 162 mounted on the limit bracket 161, a limit gap 163 is formed between the push plate 162 and the limit bracket 161, the folded sheet enters between the first heating nip 120 and the second heating nip 130 after passing through the limit slit 163, so that it can be ensured that the sheet can be kept in a folded state when it is preheated.

Still be equipped with push pedal cylinder 164 on the spacing support 161, push pedal cylinder 164 and push pedal 162 fixed connection are in order to adjust the width in spacing gap 163, and at the initial stage of processing, when the sheet tip removed upper end preheating part 100 department, push pedal cylinder 164 control push pedal 162 removed, enlarges the width in spacing gap 163, makes things convenient for the sheet to get into, alright reduce the width in spacing gap 163 afterwards, the restriction folded sheet's the angle that opens and shuts, the convenience is preheated.

In addition, the limiting assembly 160 further comprises a guide wheel 165 rotatably mounted on the limiting bracket 161, the guide wheel 165 is located below the limiting gap and used for supporting and guiding the sheet, the guide wheel 165 is in a V shape, the bottom of the sheet is located in the middle of the guide wheel 165 during transmission, and the guide wheel 165 can rotate along with the transmission of the sheet, so that the sheet can be supported and guided without affecting the movement of the sheet.

Referring to fig. 14 and 16, in another embodiment of the present invention based on the above embodiment, a first round pin 5248 is rotatably mounted on the first hinge lever 5242, the first hinge lever 5242 abuts against the periphery of the first cam 5231 via the first round pin 5248, a second round pin 5249 is rotatably mounted on the end of the second hinge lever 5243, and the second hinge lever 5243 abuts against the periphery of the second cam 5232 via the second round pin 5249.

The first cam 5231 pushes the first round pin 5248 to swing the first hinge lever 5242, the second cam 5232 pushes the second round pin 5249 to swing the second hinge lever 5243, the first round pin 5248 and the second round pin 5249 can rotate, when the cam mechanism 523 transmits, the first round pin 5248 can rotate along with the first cam 5231, and the second round pin 5249 can rotate along with the second cam 5232, so that the friction force during transmission can be reduced, the abrasion can be reduced, and the heat generated by the friction can be reduced.

Referring to fig. 17 and 18, the invention also discloses a rod-inserting food production device, which comprises a frame 700 and the folded sheet sealing preheating device, wherein the end of the frame 700 is provided with a sheet folding device 710, the folded sheet sealing preheating device is arranged on the frame 700, the sheet is folded by the sheet folding device 710 to form a folded sheet, then the folded sheet is conveyed to the folded sheet sealing preheating device for preheating and sealing, and a cavity capable of containing food raw materials is formed in the folded sheet.

There are more production processes on production facility, and the sheet can be constantly transported on production facility, preheats the sheet earlier, carries out the involution in follow-up operation, so the operation shared time who carries out in two steps can not very long, is favorable to promoting production efficiency.

The rack 700 is also provided with at least two transmission rods 720 in a sliding manner, the transmission rods 720 are fixedly connected with the driving seat 522, the clamping device 510 is fixedly arranged on the transmission rods 720, when the driving seat 522 moves, the clamping device 510 and sheets for packaging food on production equipment are dragged through the transmission rods 720, the driving seat 522 is provided with through holes with the number matched with that of the transmission rods 720, and the transmission rods 720 pass through the through holes and are fixedly connected with the driving seat 522.

In the operation, after the sheet passes through the sheet folding device 710, the sheet is held by the holding device 510, and the folded sheet is sent to the lower preheating part 200 through the cam gear 520 to be processed, and after the preheating process is completed, the partially folded sheet which has been preheated is moved out of the lower preheating part 200 through the holding device 510 and is transported to the upper and lower processing devices of the rack 700.

While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.