阅读说明：本技术 薄膜包装机 (Film packaging machine ) 是由 汪志强 汪江帆 于 2021-02-08 设计创作，主要内容包括：本发明公开了一种薄膜包装机包括：机架、用于输出薄膜的薄膜输出机构、压合机构主体、薄膜端部封口机构,机架上设置有安装架,压合机构主体包括设置在安装架上的装置支架、热压机构及两组循环带机构,热压机构包括相对的设置在装置支架上的第一、第二加热部,两组循环带机构相对分布在装置支架上,循环带机构包括能够回转运动的热压带,两组循环带机构的热压带均从第一加热部和第二加热部之间穿过,薄膜端部封口机构能够对经压合机构主体压合后的薄膜的端部进行封口薄膜由两组热压带压紧并输送通过第一加热部和第二加热部,完成热压,通过热压带避免薄膜与发热部件之间的直接接触,并且不会发生相对的滑动摩擦,能够有效的保护薄膜。(The invention discloses a film packaging machine, comprising: the film end sealing mechanism can seal the end part of the film pressed by the pressing mechanism main body, the film is pressed by the two groups of hot pressing belts and conveyed through the first heating part and the second heating part to complete hot pressing, direct contact between the film and a heating part is avoided through the hot pressing belts, and relative sliding friction cannot occur, the thin film can be effectively protected.)

1. A film wrapping machine, comprising:

the rack (900) is provided with a mounting rack (920);

a film output mechanism (500) for outputting a film;

the pressing mechanism body (200) comprises a device support (910) arranged on the mounting frame (920), a hot pressing mechanism arranged on the device support (910) and two groups of circulating belt mechanisms, the hot pressing mechanism comprises a first heating part (230) and a second heating part (250) which are oppositely arranged on the device support (910), the two groups of circulating belt mechanisms are oppositely distributed on the device support (910), the circulating belt mechanisms comprise hot pressing belts (810) capable of rotating, and the hot pressing belts (810) of the two groups of circulating belt mechanisms penetrate through the space between the first heating part (230) and the second heating part (250);

the film end sealing mechanism (400) can seal the end of the film pressed by the pressing mechanism main body (200).

2. The film wrapping machine of claim 1,

a rotating mechanism is arranged between the device support (910) and the mounting rack (920), and the pressing mechanism main body (200) can be rotated to a working position or deviated from the working position through the rotating mechanism.

3. The film wrapping machine of claim 2,

the laminating mechanism main body (200) is provided with a conveying mechanism capable of driving the film to move, a conveying driving mechanism is arranged on the mounting frame (920), and a separable transmission mechanism is arranged between the conveying driving mechanism and the conveying mechanism.

4. The film wrapping machine of claim 3,

the rotating mechanism comprises a first overturning arm (941) connected to the mounting frame (920), a second overturning arm (942) connected to the pressing mechanism body (200) and a rotating joint (943) connected with the first overturning arm (941) and the second overturning arm (942), wherein a limiting structure capable of limiting the relative position of the first overturning arm (941) and the second overturning arm (942) is arranged on the rotating joint (943).

5. The film wrapping machine of claim 1, 2 or 3,

the circulating belt mechanism comprises a driving pulley (820) and a driven pulley (830) which are arranged at two ends of the device bracket (910), the heat pressing belt (810) is sleeved on the driving pulley (820) and the driven pulley (830) and can rotate, and one section of the heat pressing belt (810) is positioned between the first heating part (230) and the second heating part (250).

6. The film wrapping machine of claim 5,

the device support (910) is provided with a driven gear (840), the driven gear (840) is connected to the driving belt wheel (820), the mounting frame (920) is provided with a rotary driving mechanism (860) and an output gear (850) connected with the rotary driving mechanism (860), and when the pressing mechanism main body (200) rotates to a working position, the output gear (850) is meshed with the driven gear (840); when the pressing mechanism main body (200) rotates to a deviated working position, the output gear (850) is separated from the driven gear (840).

7. The film wrapping machine of claim 2, 3 or 6,

the mounting frame (920) is provided with a lifting platform (931) and a lifting driving mechanism capable of driving the lifting platform (931) to move up and down, and the device support (910) is arranged on the lifting platform (931).

8. The film wrapping machine of claim 5,

the endless belt mechanism further comprises a belt loosening mechanism capable of driving the driven pulley (830) to move relative to the driving pulley (820).

9. The film wrapping machine of claim 8,

the belt loosening mechanism comprises a belt loosening driving mechanism, a tensioning elastic mechanism and a wheel seat (831) arranged on the device support (910) in a sliding mode, the driven pulley (830) is rotatably arranged on the wheel seat (831), the tensioning elastic mechanism can generate elastic force far away from the driving pulley (820) for the wheel seat (831), and the belt loosening driving mechanism can drive the wheel seat (831) to move towards the driving pulley (820).

10. The film wrapping machine of claim 1,

the hot pressing mechanism comprises a pressing support (210), a first hot pressing assembly, a second hot pressing assembly and an opening and closing driving mechanism, the first hot pressing assembly comprises a first rotating arm (220) rotatably arranged on the pressing support (210), the first heating part (230) is arranged on the first rotating arm (220), the second hot pressing assembly comprises a second rotating arm (240) rotatably arranged on the pressing support (210), the second heating part (250) is arranged on the second rotating arm (240), and the opening and closing driving mechanism can drive the first rotating arm (220) and the second rotating arm (240) to rotate relatively, so that the first heating part (230) and the second heating part (250) can be relatively far away from or close to each other.

Technical Field

The invention relates to the field of film packaging equipment, in particular to a film packaging machine.

Background

At present, such as a mask, product accessories and the like are automatically packaged by a film packaging machine, the film packaging machine generally utilizes a hot-pressing device to carry out hot-pressing on a continuously conveyed film coiled material, and then the film coiled material is cut to a set length so as to achieve the purpose of heat-sealing and packaging the film, the hot-pressing device of a machine on the market at present generally comprises two heating parts, the position of the film coiled material needing heat-sealing continuously passes through a gap between the two heating parts, the heat-pressing of the film coiled material is finished by utilizing the heating parts, but because the heating parts are relatively fixed during working, and in order to keep a better hot-pressing effect, the gap between the two heating parts is very small, the film can relatively move and rub with the heating parts when passing through the heating parts, the film is easily damaged, the film is pulled by depending on two groups of oppositely-combined film-pulling wheels with grains positioned at the front and back of the hot, is point contact, and therefore has the following problems: 1. the film passing through the tangent plane of the film pulling wheel in the front group is easy to slip or tear in the operation process due to the fact that the contact surface is too small, so that faults are caused, and therefore operators are required to have relatively mellow debugging experience to keep the machine stably operating. 2. The film that the latter draws the membrane wheel, because through its tangent plane clamp, transmission past film is the film that just comes out from hot press unit, the compound heat-seal inlayer of film (or the non-complex film of single-layer material), is in the hot melt critical state this moment, if two draw membrane wheels tangent plane pressure control improper, this two draw membrane wheels of a set and draw membrane wheel speed control asynchronous before, cause easily that to be in the critical film of melting and pull deformation, adhesion on drawing membrane wheel, cause the trouble, must shut down the clearance.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a film packaging machine which can reduce the damage to the film.

A film wrapping machine according to an embodiment of the first aspect of the present invention includes: the film end sealing mechanism can seal the end of a film pressed by the pressing mechanism body.

The film packaging machine provided by the embodiment of the invention has at least the following beneficial effects: the film is pressed and is carried through first heating portion and second heating portion by two sets of hot pressing belts, accomplishes the hot pressing, avoids the direct contact between film and the part that generates heat through the hot pressing belt to relative sliding friction can not take place, can effectual protection film.

In some embodiments of the present invention, the heat pressing tape is a teflon tape, has good heat resistance, and is not easily adhered to the film.

In some embodiments of the present invention, the film output mechanism is an unwinding mechanism to continuously feed out the film roll.

In some embodiments of the invention, the film end sealing mechanism includes a heat seal knife set that is capable of cutting the film to a set length and heat sealing the cut location.

In some embodiments of the invention, a rotating mechanism is arranged between the device bracket and the mounting frame, the pressing mechanism main body can be rotated to a working position or deviated from the working position through the rotating mechanism, and the pressing mechanism main body can be opened through overturning to deviate from a film conveying channel or a film workbench, so that a larger operation space can be formed, and the equipment can be maintained conveniently.

In some embodiments of the present invention, the rotating mechanism includes a first flipping arm connected to the mounting frame, a second flipping arm connected to the pressing mechanism body, and a rotating joint connecting the first flipping arm and the second flipping arm, the rotating joint is provided with a limiting structure capable of limiting the relative positions of the first flipping arm and the second flipping arm to position the rotating position of the pressing mechanism body, and the first flipping arm and the second flipping arm are connected to form an extending structure, so that a larger rotating space can be formed, and the mechanism is more reasonable.

In some embodiments of the present invention, the pressing mechanism body is provided with a conveying mechanism capable of driving the film to move, the mounting frame is provided with a conveying driving mechanism, and a separable transmission mechanism is arranged between the conveying driving mechanism and the conveying mechanism, i.e. the conveying driving mechanism is fixedly arranged on the mounting frame.

In some embodiments of the present invention, the endless belt mechanism includes a driving pulley and a driven pulley provided at both ends of the apparatus frame, the hot press belt is sleeved on the driving pulley and the driven pulley and can rotate, and one section of the hot press belt is located between the first heating part and the second heating part, so as to satisfy the transport of the film.

In some embodiments of the invention, the device bracket is provided with a driven gear, the driven gear is connected to the driving belt wheel, the mounting frame is provided with a rotation driving mechanism and an output gear connected with the rotation driving mechanism, and when the pressing mechanism body rotates to the working position, the output gear is meshed with the driven gear; when the pressing mechanism main body rotates to the deviated working position, the output gear is separated from the driven gear, so that separable transmission is realized, and the mechanism is reasonable and simple.

In some embodiments of the invention, two sets of driven gears are configured and respectively and correspondingly connected to two sets of driving pulleys, the two sets of driven gears are meshed with each other, and the output gear is connected to one driven gear, so that the transmission mechanism is simplified.

In some embodiments of the present invention, the mounting frame is provided with a lifting table and a lifting driving mechanism capable of driving the lifting table to move up and down, the device bracket is arranged on the lifting table, and the pressing mechanism body can be lifted up by driving the lifting table to move up and down through the lifting driving mechanism.

In some embodiments of the present invention, the lifting driving mechanism includes a lifting driving screw rod rotatably disposed on the mounting frame, the lifting driving screw rod is in threaded fit with the lifting platform, a lifting driving handwheel is disposed on the lifting driving screw rod, and the height adjustment of the pressing mechanism main body can be realized by rotating the lifting driving handwheel.

In some embodiments of the invention, the endless belt mechanism further comprises a belt loosening mechanism capable of driving the driven pulley to move relative to the driving pulley, and the hot pressing belt can be conveniently taken out by enabling the driven pulley to move towards the driving pulley, so that the hot pressing belt is convenient and quick to replace and maintain.

In some embodiments of the invention, the belt loosening mechanism comprises a belt loosening driving mechanism, a tensioning elastic mechanism and a wheel seat slidably arranged on the device bracket, the driven belt wheel is rotatably arranged on the wheel seat, the tensioning elastic mechanism can generate elastic force far away from the driving belt wheel to the wheel seat, and the belt loosening driving mechanism can drive the wheel seat to move towards the driving belt wheel, so that the hot-pressing belt can be loosened, and the maintenance and the replacement are convenient.

In some embodiments of the invention, the belt loosening driving mechanism comprises a cam rotatably arranged on the device bracket and a handle connected with the cam, the cam corresponds to the wheel seat, the wheel seat can be pushed by the convex part to move towards the driving belt wheel when the cam rotates, so that the purpose of loosening the hot-pressing belt is achieved, when the cam rotates to the concave part corresponding to the wheel seat, the wheel seat can tighten the hot-pressing belt under the action of the tensioning elastic mechanism, the loosening and tightening adjustment of the hot-pressing belt can be completed by pushing and pulling the handle, and the maintenance is very convenient.

In some embodiments of the present invention, the elastic tensioning mechanism includes a compression spring, and the device bracket is fixedly provided with a fixing member, and the compression spring is located between the fixing member and the wheel seat, and generates an elastic force on the wheel seat through the compression spring.

In some embodiments of the invention, a plurality of elongated holes are arranged on the device bracket, the wheel seat is mounted on the device bracket through mounting screws matched with the elongated holes, and the wheel seat can slide through the matching of the mounting screws and the elongated holes, and the mounting of the wheel seat can be completed through the structure, so that the structure is simple and reasonable.

In some embodiments of the invention, the driven belt wheel is arranged on an adjusting frame, and the adjusting frame is fixedly arranged on the device bracket, so that the belt loosening mechanism of the driven belt wheel is convenient to assemble, and the structure is more reasonable.

In some embodiments of the present invention, the hot pressing mechanism includes a pressing bracket, a first hot pressing assembly, a second hot pressing assembly, and a folding driving mechanism, the pressing bracket is fixed on the device bracket, the first hot pressing assembly includes a first rotating arm rotatably disposed on the pressing bracket, the first heating portion is disposed on the first rotating arm, the second hot pressing assembly includes a second rotating arm rotatably disposed on the pressing bracket, the second heating portion is disposed on the second rotating arm, and the folding driving mechanism can drive the first rotating arm and the second rotating arm to rotate relatively, so that the first heating portion and the second heating portion can move away from or close to each other relatively.

Through making first heating portion and second heating portion open, can conveniently maintain and clear up the mechanism, and when equipment shut down, can make first heating portion and second heating portion open, reduce the film and appear melting the condition emergence of bonding.

In some embodiments of the invention, the middle part of the first rotating arm is rotatably arranged on the stitching bracket, the first heating part is arranged at one end of the first rotating arm, the middle part of the second rotating arm is rotatably arranged on the stitching bracket, the second heating part is arranged at one end of the second rotating arm, a linkage mechanism is arranged between the first rotating arm and the second rotating arm, the opening and closing driving mechanism can drive the first rotating arm or the second rotating arm to rotate, and the driving mechanism can be simplified and is simpler and more reasonable by utilizing the linkage mechanism.

In some embodiments of the present invention, the linkage mechanism includes a first linkage arm disposed at a lateral position of the first rotating arm and a second linkage arm disposed at a lateral position of the second rotating arm, the first linkage arm is provided with a linkage slide bar, the second linkage arm is provided with a linkage slide slot slidably engaged with the linkage slide bar, when the first rotating arm or the second rotating arm actively swings, one linkage arm can be driven to swing, and the other linkage arm can swing through engagement of the linkage slide bar and the linkage slide slot, so that the first rotating arm and the second rotating arm are linked.

In some embodiments of the present invention, the linkage mechanism may further include two gears respectively disposed on the first rotating arm and the second rotating arm, and the first rotating arm and the second rotating arm are linked by the cooperation of the gears.

In some embodiments of the present invention, the middle portion of the first rotating arm is rotatably disposed on the pressing bracket, a driving section is disposed on an end of the first rotating arm away from the first heating portion, the driving section is made of a magnetic material or is provided with a magnetic portion, the opening and closing driving mechanism includes an electromagnet disposed on the pressing bracket and capable of attracting the driving section, and the swinging driving of the first rotating arm is realized through electromagnetic attraction or release.

In some embodiments of the present invention, the first rotating arm is made of a ferrous material and can generate a magnetic attraction effect with the electromagnet.

In some embodiments of the present invention, heating pipes are inserted into the first heating part and the second heating part, and the first heating part and the second heating part are heated by the heating pipes.

In some embodiments of the invention, the cooling device is arranged on the device support and behind the hot-pressing mechanism, namely behind the conveying direction, and comprises two groups of heat conducting blocks oppositely arranged on the device support, the hot-pressing belts of the two groups of circulating belt mechanisms pass through the two groups of heat conducting blocks and can drive the heat-sealed film to pass through, and the residual heat after the heat sealing of the film can be conducted out through the heat conducting blocks, so that the film can be quickly reduced, and the heat-sealing bonding interface is more stable and reliable.

In some embodiments of the present invention, the cooling device further includes a cooling fan disposed on the device bracket, and the cooling fan can supply air toward the heat-conducting block to accelerate heat dissipation of the heat-conducting block and improve cooling efficiency.

In some embodiments of the present invention, the heat conducting block is made of a heat conducting material such as copper, aluminum, etc., and a plurality of through holes are formed on the heat conducting block to increase a heat dissipation area.

In some embodiments of the invention, the through hole on the heat conducting block faces the cooling fan, so that convection is formed inside and outside the through hole, and the cooling efficiency is improved.

In some embodiments of the present invention, an embossing wheel set is further disposed between the hot pressing mechanism and the cooling device, the embossing wheel set includes at least two embossing rollers, the hot pressing belts of the two sets of circulating belt mechanisms pass through between the two embossing rollers, the embossing rollers are provided with textures, and when the hot pressing belts and the film pass through, the embossing rollers can extrude the textures at the heat sealing position of the film, so as to improve the structural strength of the heat sealing bonding position, and achieve a specific appearance effect.

In some embodiments of the present invention, the mounting frame is slidably disposed on the frame, and a main lifting mechanism is disposed between the frame and the mounting frame, and the main lifting mechanism can adjust a height distance between the mounting frame and the pressing mechanism main body relative to the frame, so that the main lifting mechanism can be suitable for products with different specifications.

In some embodiments of the present invention, the main lifting mechanism is a screw mechanism, and the frame is provided with a main lifting driving handle, and the main lifting driving handle is connected to the screw mechanism through a transmission mechanism so as to control the lifting of the mounting frame.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a film wrapping machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of the main body of the pressing mechanism according to the embodiment of the present invention;

FIG. 3 is an assembly view of the pressing mechanism body according to the embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a pressing mechanism body according to an embodiment of the present invention;

FIG. 5 is a schematic bottom view of the main body of the pressing mechanism according to the embodiment of the present invention;

FIG. 6 is an exploded view of the pressing mechanism body according to the embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a hot press mechanism according to an embodiment of the present invention;

FIG. 8 is an exploded view of a thermal press mechanism according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a belt loosening mechanism according to an embodiment of the present invention;

fig. 10 is an exploded view of the belt loosening mechanism according to the embodiment of the present invention.

Reference numerals:

the pressing mechanism comprises a pressing mechanism main body 200, a pressing bracket 210, a first rotating arm 220, a first linkage arm 221, a linkage sliding rod 222, a driving section 223, a first heating part 230, a heating pipe 231, a second rotating arm 240, a second linkage arm 241, a linkage sliding groove 242, a second heating part 250, an electromagnet 260 and a handle 270;

a film end sealing mechanism 400;

a film output mechanism 500;

an embossing roller 610;

a heat conduction block 710 and a cooling fan 720;

the hot press belt 810, the driving pulley 820, the driven pulley 830, the driven gear 840, the output gear 850, the rotary driving mechanism 860, the wheel seat 831, the cam 832, the handle 833, the compression spring 834 and the mounting screw 835;

the device comprises a rack 900, a device bracket 910, a mounting rack 920, a screw rod mechanism 930, a main lifting driving handle 940, a lifting table 931, a lifting driving screw rod 932, a lifting driving hand wheel 933, a first turnover arm 941, a second turnover arm 942 and a rotary joint 943.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

As shown in fig. 1 and 4, a film wrapping machine according to an embodiment of the present invention includes: the film end sealing device comprises a rack 900, a film output mechanism 500 for outputting a film, a pressing mechanism main body 200 and a film end sealing mechanism 400, wherein a mounting rack 920 is arranged on the rack 900, the pressing mechanism main body 200 comprises a device support 910 arranged on the mounting rack 920, a hot pressing mechanism arranged on the device support 910 and two sets of circulating belt mechanisms, the hot pressing mechanism comprises a first heating part 230 and a second heating part 250 which are oppositely arranged on the device support 910, the two sets of circulating belt mechanisms are oppositely distributed on the device support 910, each circulating belt mechanism comprises a hot pressing belt 810 capable of rotating, the hot pressing belts 810 of the two sets of circulating belt mechanisms pass through the space between the first heating part 230 and the second heating part 250, and the film end sealing mechanism 400 can seal the end of the film pressed by the pressing mechanism main body 200.

The film is pressed by the two groups of hot pressing belts 810 and conveyed to pass through the first heating part 230 and the second heating part 250, hot pressing is completed, direct contact between the film and a heat generating component is avoided through the hot pressing belts 810, relative sliding friction is avoided, and the film can be effectively protected.

Specifically, hot pressing area 810 is high temperature resistant area, plays the transmission effect in the work, also regards as heat conduction media simultaneously, avoids film and heating portion direct contact, and the damaged condition of reduction friction takes place, simultaneously, also can the film direct heating through hot pressing area 810, and the condition that reduces overheated bonding takes place, also can not cause too big influence to the film even when short shut down.

Moreover, as the hot-pressing belt 810 is in contact with the film, the film is not easy to damage, the requirement on debugging precision (pressure regulation or speed regulation) is not high, and the requirement on professional technology of machine users is reduced; the hot press is suitable for packaging materials such as composite films, OPP heat-sealing films, single-layer PE, single-layer PP, POF films and the like, and can effectively improve the qualification rate and greatly improve the stability of machine operation compared with the traditional hot press.

In some embodiments of the present invention, the hot press belt 810 is a teflon belt, has a good heat resistance, and is not easily adhered to the film.

In some embodiments of the present invention, the hot pressing belt 810 can form a conveying section in the pressing mechanism main body 200, the hot pressing belt 810 is in surface contact with the film, the contact area between the hot pressing belt 810 and the film can be increased, compared with the point contact of the conventional mechanism, the occurrence of the situation that the film slides or is torn can be reduced, and the operation stability of the apparatus is high.

Specifically, at least two pulleys are arranged at intervals in the conveying direction of the film to form a conveying section having a certain length so as to be in contact with the film forming surface.

When the film packaging machine works, a film is sent out through the film output mechanism 500, a workpiece to be packaged is simultaneously sent onto the film, the workpiece enters the pressing mechanism main body 200 to perform pressing and heat sealing on the side face of the film, finally the film is cut to a set length through the film end sealing mechanism 400 and is subjected to heat sealing on the cutting position, end sealing is completed, and packaging of the workpiece can be completed.

In some embodiments of the present invention, the film feeding mechanism 500 is an unwinding mechanism to continuously feed out the film roll.

Of course, in the implementation process, the film may also be a sheet-shaped film with a set length, and the film output mechanism 500 may be a robot, a conveyor belt, or the like to intermittently send out the sheet-shaped film.

In some embodiments of the present invention, the film end sealing mechanism 400 includes a heat seal knife set that is capable of cutting the film to a set length and heat sealing the cut location.

Of course, in the implementation process, the film end sealing mechanism 400 may not be configured to have a cutting function, but only includes a thermal pressing mechanism, and at this time, the film may be set to a preset length or the film (after the pressing) is cut by an external mechanism, which will not be described in detail herein.

As shown in fig. 2 and 3, in some embodiments of the present invention, a rotating mechanism is disposed between the device support 910 and the mounting frame 920, the pressing mechanism main body 200 can be rotated to a working position or deviated from the working position by the rotating mechanism, the pressing mechanism main body 200 can be opened by turning over, the pressing mechanism main body 200 can be deviated from a film conveying channel or a film conveying table, a large operating space can be formed, and the maintenance of the apparatus is facilitated.

Specifically, in this embodiment, in the during operation, the horizontal setting of pressing mechanism main part 200 can be used for heat-seal laminating position such as gauze mask wrapping bag at the film wrapping bag at the middle part, and gauze mask and film coiled material are put the transport horizontally, treat that the laminating position is located the middle part and up, accomplish the pressfitting through the pressing mechanism main part 200 of horizontal setting, and when needs were maintained, pressing mechanism main part 200 can upwards overturn and open, exposes the bottom of pressing mechanism main part 200 and exposes transfer passage, can make things convenient for the maintenance of equipment.

Of course, in the implementation process, the pressing mechanism body 200 can also be arranged in a side-standing manner or an inclined manner according to different specifications of film packaging bags, which will not be described in detail herein.

As shown in fig. 3, in some embodiments of the present invention, the rotating mechanism includes a first flipping arm 941 connected to the mounting bracket 920, a second flipping arm 942 connected to the stitching mechanism body 200, and a rotating joint 943 connecting the first flipping arm 941 and the second flipping arm 942, the rotating joint 943 is provided with a limiting structure capable of limiting the relative position of the first flipping arm 941 and the second flipping arm 942 to position the rotating position of the stitching mechanism body 200, and the first flipping arm 941 and the second flipping arm 942 are connected to form an extending structure, so that a larger rotating space can be formed, and the mechanism is more reasonable.

Specifically, the rotary joint 943 is provided with a limiting groove or a limiting protrusion corresponding to the first flipping arm 941 or the second flipping arm 942, so as to position the pressing mechanism body 200 to a horizontal state or a vertical state.

Of course, in a specific implementation process, the mounting frame 920 and the pressing mechanism main body 200 can be directly connected in a rotating manner through a rotating shaft mechanism, a hinge mechanism, and the like, which will not be described in detail herein.

In some embodiments of the present invention, the pressing mechanism main body 200 is configured with a transmission mechanism capable of driving the film to move, the mounting frame 920 is provided with a transmission driving mechanism, a separable transmission mechanism is disposed between the transmission driving mechanism and the transmission mechanism, that is, the transmission driving mechanism is fixedly disposed on the mounting frame 920, when the pressing mechanism main body 200 is turned over, the transmission driving mechanism is separated from the transmission mechanism, and when the pressing mechanism main body 200 is turned back to the working position, the transmission driving mechanism is connected with the transmission mechanism, so that the weight of the pressing mechanism main body 200 can be reduced, and the turning over is facilitated.

Specifically, the conveying driving mechanism is a motor driving mechanism, an air cylinder driving mechanism and the like, the conveying mechanism is a belt conveying mechanism, a roller conveying mechanism and the like, and the separable transmission mechanism can be a contact type transmission roller mechanism, a gear meshing structure and the like.

As shown in fig. 4, 5 and 6, in some embodiments of the present invention, the endless belt mechanism includes a driving pulley 820 and a driven pulley 830 provided at both ends of the apparatus support 910, the hot pressing belt 810 is sleeved on the driving pulley 820 and the driven pulley 830 and can rotate, and one segment of the hot pressing belt 810 is located between the first heating part 230 and the second heating part 250, so as to meet the transportation of the film.

Of course, in the implementation process, a plurality of driven pulleys and a tension pulley can be arranged, and are not described in detail here.

As shown in fig. 3, in some embodiments of the present invention, the device bracket 910 is provided with a driven gear 840, the driven gear 840 is connected to the driving pulley 820, the mounting bracket 920 is provided with a rotation driving mechanism 860 and an output gear 850 connected to the rotation driving mechanism 860, and when the pressing mechanism main body 200 is rotated to the working position, the output gear 850 is engaged with the driven gear 840; when the pressing mechanism main body 200 rotates to a deviated working position, the output gear 850 is separated from the driven gear 840, so that separable transmission is realized, and the mechanism is reasonable and simple.

Specifically, the rotation driving mechanism is a motor mechanism, a rotary cylinder mechanism and the like, and can be matched with a reduction gearbox, a transmission gear set and the like.

As shown in fig. 6, in some embodiments of the present invention, two sets of driven gears 840 are provided and respectively and correspondingly connected to two sets of driving pulleys 820, the two sets of driven gears 840 are meshed with each other, and the output gear 850 is connected to one driven gear 840, thereby simplifying the transmission mechanism.

Of course, in the implementation, the two sets of driving pulleys 820 may also be connected by a synchronous belt transmission mechanism, which is not described in detail herein.

As shown in fig. 3, in some embodiments of the present invention, the mounting frame 920 is provided with a lifting table 931 and a lifting driving mechanism capable of driving the lifting table 931 to move up and down, and the device support 910 is provided on the lifting table 931, so that the pressing mechanism body 200 can be lifted up by driving the lifting table 931 to move up and down by the lifting driving mechanism.

Specifically, in this embodiment, the lifting and pressing mechanism main body 200 can realize the first separation of the transmission mechanism, for example, the first separation of the gear transmission mechanism, so as to prevent the turnover and pressing mechanism main body 200 from damaging the transmission mechanism; in addition, in other embodiments, when the separable transmission mechanism is not configured, the integral lifting pressing mechanism main body 200 can adjust the height of the pressing mechanism main body 200, thereby being suitable for products with different specifications and obtaining larger operation space.

As shown in fig. 3, in some embodiments of the present invention, the lifting driving mechanism includes a lifting driving screw 932 rotatably disposed on the mounting bracket 920, the lifting driving screw 932 is in threaded engagement with the lifting platform 931, a lifting driving hand wheel 933 is disposed on the lifting driving screw 932, and the height adjustment of the pressing mechanism main body 200 can be achieved by rotating the lifting driving hand wheel 933.

It is contemplated that in some embodiments of the present invention, the elevation drive mechanism may also include an electric screw mechanism, a cylinder mechanism, or the like.

As shown in fig. 5 and 6, in some embodiments of the present invention, the endless belt mechanism further includes a belt loosening mechanism capable of driving the driven pulley 830 to move relative to the driving pulley 820, so that the hot pressing belt 810 can be conveniently taken out by moving the driven pulley 830 toward the driving pulley 820, and the hot pressing belt 810 can be conveniently replaced and maintained.

As shown in fig. 5, 6, 9 and 10, in some embodiments of the present invention, the belt loosening mechanism includes a belt loosening driving mechanism, a belt tensioning elastic mechanism and a wheel seat 831 slidably disposed on the device bracket 910, the driven pulley 830 is rotatably disposed on the wheel seat 831, the belt tensioning elastic mechanism can generate an elastic force on the wheel seat 831 away from the driving pulley 820, and the belt loosening driving mechanism can drive the wheel seat 831 to move toward the driving pulley 820, so as to loosen the heat pressing belt 810, thereby facilitating maintenance and replacement.

Of course, in a specific implementation, the belt releasing mechanism may be a positioning mechanism, such as a pin positioning mechanism or a screw positioning mechanism, capable of positioning the driven pulley 830 to a position for tensioning the heat pressing belt 810 or releasing the heat pressing belt 810.

As shown in fig. 9 and 10, in some embodiments of the present invention, the belt loosening driving mechanism includes a cam 832 rotatably disposed on the device bracket 910 and a handle 833 connected to the cam 832, the cam 832 corresponds to the wheel seat 831, the cam 832 can push the wheel seat 831 to move toward the driving pulley 820 through a convex portion when rotating, so as to loosen the hot press belt 810, when the cam 832 rotates to a concave portion corresponding to the wheel seat 831, the wheel seat 831 can tighten the hot press belt 810 due to the action of the tensioning elastic mechanism, and the loosening and tightening adjustment of the hot press belt can be completed by pushing and pulling the handle, so that the maintenance is very convenient.

It is contemplated that in some embodiments of the present invention, the belt loosening driving mechanism may be a straight-gear driving mechanism, a lead screw driving mechanism, or other linear driving mechanism, and the adjustment of the position of the wheel seat 831 may also be achieved.

As shown in fig. 9 and 10, in some embodiments of the present invention, the tension elastic mechanism includes a compression spring 834, a fixing member 911 is fixedly disposed on the device bracket 910, the compression spring 834 is located between the fixing member 911 and the wheel seat 831, and the compression spring 834 generates an elastic force on the wheel seat 831.

Of course, in the specific implementation process, the tensioning elastic mechanism may also be a tension spring mechanism, a torsion spring mechanism, etc., and will not be described in detail herein.

As shown in fig. 9 and 10, in some embodiments of the present invention, a plurality of elongated holes 912 are provided on the device bracket 910, the wheel seat 831 is mounted on the device bracket 910 by the mounting screws 835 engaging with the elongated holes 912, and the wheel seat 831 can slide by the engagement of the mounting screws 835 and the elongated holes 912, and the mounting of the wheel seat 831 can be completed by the above-mentioned structure, which is simple and reasonable.

It is contemplated that in some embodiments of the present invention, the wheel holder 831 and the device bracket 910 may also be slidably coupled via a sliding rail mechanism.

As shown in fig. 6, in some embodiments of the present invention, the driven pulley 830 is disposed on an adjusting bracket 913, and the adjusting bracket 913 is fixedly mounted on the device bracket 910, so as to facilitate assembly of the belt loosening mechanism of the driven pulley 830, and make the structure more reasonable.

Specifically, the elongated hole 912 and the fixing member 911 are both disposed on the adjusting bracket 913, and the wheel seat 831 is slidably disposed on the adjusting bracket 913.

As shown in fig. 7 and 8, in some embodiments of the present invention, the thermal pressing mechanism includes a pressing bracket 210, a first thermal pressing assembly, a second thermal pressing assembly, and a tensioning driving mechanism, the pressing bracket 210 is fixed on the device bracket 910, the first thermal pressing assembly includes a first rotating arm 220 rotatably disposed on the pressing bracket 210, the first heating portion 230 is disposed on the first rotating arm 220, the second thermal pressing assembly includes a second rotating arm 240 rotatably disposed on the pressing bracket 210, the second heating portion 250 is disposed on the second rotating arm 240, and the tensioning driving mechanism is capable of driving the first rotating arm 220 and the second rotating arm 240 to rotate relatively, so that the first heating portion 230 and the second heating portion 250 can move relatively away from or close to each other.

By opening the first heating part 230 and the second heating part 250, the mechanism can be maintained and cleaned conveniently, and when the device is stopped, the first heating part 230 and the second heating part 250 can be opened, so that the occurrence of melting and bonding of the film is reduced.

Specifically, during normal use, the first heating part 230 and the second heating part 250 are close to each other, and the position of the film coil material needing heat sealing continuously passes through between the first heating part 230 and the second heating part 250, so as to achieve the purpose of heat sealing; meanwhile, when maintenance or cleaning is needed, the opening and closing driving mechanism can drive the first heating part 230 and the second heating part 250 to be separated, so that a large working space can be formed, and maintenance or cleaning is facilitated.

As shown in fig. 7 and 8, in some embodiments of the present invention, the middle portion of the first rotating arm 220 is rotatably disposed on the stitching bracket 210, the first heating portion 230 is disposed at one end of the first rotating arm 220, the middle portion of the second rotating arm 240 is rotatably disposed on the stitching bracket 210, the second heating portion 250 is disposed at one end of the second rotating arm 240, and a linkage mechanism is disposed between the first rotating arm 220 and the second rotating arm 240, and the opening and closing driving mechanism can drive the first rotating arm 220 or the second rotating arm 240 to rotate, and the linkage mechanism can simplify the driving mechanism and make the mechanism more simple and reasonable.

Of course, in a specific implementation, the first rotating arm 220 and the second rotating arm 240 may be independently driven, and will not be described in detail herein.

As shown in fig. 8, in some embodiments of the present invention, the linkage mechanism includes a first linkage arm 221 disposed at a lateral position of the first rotating arm 220 and a second linkage arm 241 disposed at a lateral position of the second rotating arm 240, the first linkage arm 221 is provided with a linkage slide bar 222, the second linkage arm 241 is provided with a linkage slide slot 242 slidably engaged with the linkage slide bar 222, when the first rotating arm 220 or the second rotating arm 240 actively swings, one linkage arm can be driven to swing, and the other linkage arm can swing through engagement of the linkage slide bar 222 and the linkage slide slot 242, so that the first rotating arm 220 and the second rotating arm 240 are linked.

Of course, in the implementation process, the arrangement positions of the linking slide bar 222 and the linking slide slot 242 can be interchanged, and the linking effect can also be achieved, which is not described in detail herein.

It is contemplated that in some embodiments of the present invention, the linkage mechanism may also be two gears respectively disposed on the first rotating arm 220 and the second rotating arm 240, and the linkage of the first rotating arm 220 and the second rotating arm 240 is realized by the cooperation of the gears.

As shown in fig. 8, in some embodiments of the present invention, the middle portion of the first rotating arm 220 is rotatably disposed on the pressing bracket 210, a driving section 223 is disposed on an end of the first rotating arm 220 away from the first heating portion 230, the driving section 223 is made of a magnetic material or is provided with a magnetic portion, and the opening and closing driving mechanism includes an electromagnet 260 disposed on the pressing bracket 210 and capable of attracting the driving section 223, and the swinging driving of the first rotating arm 220 is achieved through electromagnetic attraction or release.

Specifically, in the operation process, the electromagnet 260 is energized to swing the first rotating arm 220, and the first heating portion 230 and the second heating portion 250 are abutted to each other through the linkage mechanism, so as to achieve a better effect of thermal compression bonding, when the electromagnet 260 is de-energized, the first rotating arm 220 is released, and the first rotating arm 220 and the second rotating arm 240 can be naturally opened or automatically opened by using gravity.

In addition, in the specific implementation process, the driving section 223 can be further provided with a magnetic body, and the magnetic poles can be changed by changing the current of the electromagnet 260, so that the effect of electromagnetic driving in both directions can be achieved.

It is contemplated that, in some embodiments of the present invention, the magnetic attraction portion may be disposed at an end of the first rotating arm 220 close to the first heating portion 230, and the electromagnetic driving effect may also be achieved.

In some embodiments of the present invention, the first rotating arm 220 is made of a ferrous material, and can generate a magnetic attraction effect with the electromagnet.

It is contemplated that in some embodiments of the present invention, the opening and closing driving mechanism may also be a motor driving mechanism, a cylinder driving mechanism, etc., and will not be described in detail herein.

As shown in fig. 8, in some embodiments of the present invention, a heating pipe 231 is inserted into the first heating part 230 and the second heating part 250, and the first heating part 230 and the second heating part 250 are heated by the heating pipe 231.

Of course, in a specific implementation process, PTC heating sheets and the like may be provided on the opposite surfaces of the first heating part 230 and the second heating part 250, and will not be described in detail herein.

As shown in fig. 4, 5, and 6, in some embodiments of the present invention, the cooling device is disposed on the device support 910 and behind the hot pressing mechanism, that is, behind the conveying direction, and includes two sets of heat conduction blocks 710 disposed on the device support 910 in an opposite manner, and the hot pressing belts 810 of the two sets of circulating belt mechanisms pass through between the two sets of heat conduction blocks 710 and can simultaneously drive the heat-sealed film to pass through, so that the residual heat after the heat-sealing of the film can be conducted out through the heat conduction blocks 710, and the film can be quickly lowered, so that the heat-sealing bonding interface is more stable and reliable.

As shown in fig. 5 and 6, in some embodiments of the present invention, the cooling device further includes a cooling fan 720 disposed on the device bracket 910, and the cooling fan 720 can supply air toward the heat-conducting block 710 to accelerate heat dissipation from the heat-conducting block 710 and improve cooling efficiency.

In some embodiments of the present invention, the heat conducting block 710 is made of a heat conducting material such as copper, aluminum, etc., and a plurality of through holes are formed on the heat conducting block 710 to increase a heat dissipation area.

In some embodiments of the present invention, the through hole of the heat conducting block 710 faces the cooling fan 720, so that convection is formed between the inside and the outside of the through hole, thereby improving cooling efficiency.

In some embodiments of the present invention, an embossing roller set is further disposed between the hot pressing mechanism and the cooling device, the embossing roller set includes at least two embossing rollers 610, the hot pressing belts 810 of the two sets of circulating belt mechanisms pass between the two embossing rollers 610, the embossing rollers 610 are provided with textures, and when the hot pressing belts 810 and the film pass through, the embossing rollers 610 can extrude the textures at the heat-sealing positions of the film, so as to improve the structural strength of the heat-sealing bonding positions, and achieve a specific appearance effect.

As shown in fig. 1 and 3, in some embodiments of the present invention, the mounting rack 920 is slidably disposed on the rack 900, and a main lifting mechanism is disposed between the rack 900 and the mounting rack 920, and the main lifting mechanism can adjust the height distance between the mounting rack 920 and the pressing mechanism main body relative to the rack 900, so that the main lifting mechanism can be adapted to products with different specifications.

As shown in fig. 3, in some embodiments of the present invention, the main lifting mechanism is a screw mechanism 930, and a main lifting driving handle 940 is disposed on the frame 900, and the main lifting driving handle 940 is connected to the screw mechanism 930 through a transmission mechanism, so as to control the lifting of the mounting bracket 920.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.