阅读说明：本技术 料包封口装置和粉料包装机 (material package sealing device and powder packaging machine ) 是由 张将来 龙青国 于 2019-09-29 设计创作，主要内容包括：本发明涉及粉料包装的技术领域,提供了一种料包封口装置和粉料包装机,包括工作台、预加热装置和挤压封口装置,预加热装置和挤压封口装置均支撑在工作台上。工作台供顶部开口的折叠的包装膜移动；预加热装置用于对包装膜的顶部边缘加热挤压封口装置用于对经预加热装置穿出的包装膜的顶部边缘压合。与现有技术对比,本发明提供的料包封口装置,采用预加热装置对包装膜的顶部边缘加热,在通过挤压封口装置对经所述预加热装置穿出的包装膜的顶部边缘压合,这样,增长了对包装膜的加热时间,提高了包装膜的开口处热合封口效果,封口处牢固性好。(The invention relates to the technical field of powder packaging, and provides a material packaging opening device and a powder packaging machine. The workbench is used for moving the folded packaging film with the top opening; the preheating device is used for heating the top edge of the packaging film, extruding and sealing the device and is used for pressing the top edge of the packaging film which penetrates out of the preheating device. Compared with the prior art, the material bag sealing device provided by the invention has the advantages that the preheating device is used for heating the top edge of the packaging film, and the top edge of the packaging film penetrating out of the preheating device is pressed through the extrusion sealing device, so that the heating time of the packaging film is prolonged, the heat sealing effect of the opening of the packaging film is improved, and the firmness of the sealing position is good.)

1. A material enclosure port arrangement, comprising:

A table for moving the folded packaging film with the top opening;

A preheating device for heating the top edge of the packaging film; and

The extrusion sealing device is used for pressing the top edge of the packaging film which penetrates out of the preheating device;

The preheating device and the extrusion sealing device are both supported on the workbench.

2. The cartridge sealing device according to claim 1, wherein the pre-heating device comprises a strip-shaped ironing bracket fixed on the workbench and at least one ironing component supported on the ironing bracket; the hot-stamping support is provided with a sliding groove for the movement of the packaging film; the at least one hot stamping assembly comprises a fixed plate fixed on the hot stamping support, a movable plate pivotally attached to the fixed plate and heating pipes respectively arranged in the fixed plate and the movable plate; the movable plate and the fixed plate enclose to form a heating gap which is used for the top edge of the packaging film to slide and is communicated with the sliding groove.

3. The material package sealing device of claim 2, wherein the number of the hot ironing components is two, and the two hot ironing components are arranged side by side and at intervals in the length direction of the hot ironing bracket.

4. The material package sealing device according to claim 1, wherein the extrusion sealing device comprises an extrusion support fixed on the workbench, an extrusion channel for the movement of the packaging film, a fixed shaft seat, a sliding shaft seat, a driving shaft, a driven shaft and a pinch roller set for extruding the top edge of the packaging film in the extrusion channel; the fixed shaft seat is fixedly connected with the extrusion support, the sliding shaft seat is arranged on the extrusion support in a sliding mode, the driving shaft is rotatably supported in the fixed shaft seat, and two ends of the driving shaft respectively extend out of the end portions of the fixed shaft seat; the driven shaft is rotatably supported in the sliding shaft seat, and two ends of the driven shaft respectively extend out of the end part of the sliding shaft seat; the pressing wheel set comprises a driving pressing wheel which is coaxially arranged with the driving shaft and fixedly connected with the driving shaft and a driven pressing wheel which is coaxially arranged with the driven shaft and fixedly connected with the driven shaft; and the extrusion support is provided with an adjusting assembly for driving the sliding shaft seat to move relative to the extrusion support and enabling the driven pinch roller to abut against the driving pinch roller.

5. The material package sealing device according to claim 4, wherein the extrusion support comprises an upper bottom plate and a lower bottom plate located below the upper bottom plate, the fixed shaft seat is fixedly arranged on the upper bottom plate, the upper bottom plate is provided with an adjusting groove, and the bottom of the sliding shaft seat is slidably arranged in the adjusting groove; the lower bottom plate is provided with a limiting groove corresponding to the adjusting groove and a lower through hole for the driving shaft to pass through, and a limiting block sleeved on the driven shaft is arranged in the limiting groove; the adjusting assembly comprises an adjusting plate, a first elastic element and a first operating part, the adjusting plate is fixed on the upper base plate, the first operating part is provided with an operating part, the first elastic element is respectively abutted against the sliding shaft seat and the operating part of the first operating part, the adjusting plate is provided with a first matching hole for the operating part of the first operating part to be placed in, an external thread is formed on the side wall of the operating part of the first operating part, and the first matching hole forms an internal thread matched with the external thread.

6. The material package closing device of claim 5, characterized in that, the adjusting part still includes limiting plate, second elastic element and second operating parts, the limiting plate is fixed on the regulating plate, the second operating parts has the operation portion, the second elastic element respectively with the slip axle bed with the operation portion of second operating parts supports the top, the limiting plate has the confession the second mating holes that the operation portion of second operating parts put into, be formed with the external screw thread on the operation portion lateral wall of second operating parts, second mating holes form with the internal thread of this external screw thread cooperation spiro union.

7. The material package sealing device according to claim 5 or 6, wherein a self-aligning roller bearing is arranged in the limiting block, and the self-aligning roller bearing is sleeved on the driven shaft.

8. The material package sealing device according to claim 5 or 6, wherein the fixed shaft seat and the sliding shaft seat are both provided with a heating assembly, and the heating assembly comprises a sleeve heater and an electric heating block jacket sleeved outside the sleeve heater.

9. the material package closing device of claim 5 or 6, wherein the bottom of driving shaft is connected with the shaft coupling, the cover is equipped with driven gear on the driven shaft, be connected with on the driving shaft with driven gear engaged with driving gear.

10. Powder packaging machine comprising a packet closure device according to any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of powder packaging, in particular to a material packaging opening device and a powder packaging machine.

Background

At present, current powder packagine machine for the flavoring bag of preparation instant noodle, in its banding step, to being equipped with powder and open-top's flavoring bag, carry out the upper shed through hot pressing mode and seal, traditional hot press unit, including hot pinch roller and the wheel driving piece that makes hot pinch roller pivoted, however, because the hot pressing time of hot pinch roller is short excessively, lead to the last position of sealing of flavoring bag to combine not firm enough, seal the department and open easily and take off.

disclosure of Invention

The invention aims to provide a material sealing opening device and a powder packaging machine, and aims to solve the technical problems that in the prior art, the heat sealing effect of an opening of a packaging film is not ideal, and the sealing position is not firm.

The invention provides a material sealing opening device, which comprises:

A table for moving the folded packaging film with the top opening;

A preheating device for heating the top edge of the packaging film; and

The extrusion sealing device is used for pressing the top edge of the packaging film which penetrates out of the preheating device;

The preheating device and the extrusion sealing device are both supported on the workbench.

Further, the preheating device comprises a strip-shaped hot-stamping support fixed on the workbench and at least one hot-stamping assembly supported on the hot-stamping support; the hot-stamping support is provided with a sliding groove for the movement of the packaging film; the at least one hot stamping assembly comprises a fixed plate fixed on the hot stamping support, a movable plate pivotally attached to the fixed plate and heating pipes respectively arranged in the fixed plate and the movable plate; the movable plate and the fixed plate enclose to form a heating gap which is used for the top edge of the packaging film to slide and is communicated with the sliding groove.

Furthermore, the number of the hot stamping assemblies is two, and the two hot stamping assemblies are arranged in parallel in the length direction of the hot stamping support at intervals.

furthermore, the extrusion sealing device comprises an extrusion support fixed on the workbench, an extrusion channel for the movement of the packaging film, a fixed shaft seat, a sliding shaft seat, a driving shaft, a driven shaft and a pinch roller set for extruding the top edge of the packaging film in the extrusion channel; the fixed shaft seat is fixedly connected with the extrusion support, the sliding shaft seat is arranged on the extrusion support in a sliding mode, the driving shaft is rotatably supported in the fixed shaft seat, and two ends of the driving shaft respectively extend out of the end portions of the fixed shaft seat; the driven shaft is rotatably supported in the sliding shaft seat, and two ends of the driven shaft respectively extend out of the end part of the sliding shaft seat; the pressing wheel set comprises a driving pressing wheel which is coaxially arranged with the driving shaft and fixedly connected with the driving shaft and a driven pressing wheel which is coaxially arranged with the driven shaft and fixedly connected with the driven shaft; and the extrusion support is provided with an adjusting assembly for driving the sliding shaft seat to move relative to the extrusion support and enabling the driven pinch roller to abut against the driving pinch roller.

Furthermore, the extrusion support comprises an upper bottom plate and a lower bottom plate positioned below the upper bottom plate, the fixed shaft seat is fixedly arranged on the upper bottom plate, an adjusting groove is formed in the upper bottom plate, and the bottom of the sliding shaft seat is slidably arranged in the adjusting groove; the lower bottom plate is provided with a limiting groove corresponding to the adjusting groove and a lower through hole for the driving shaft to pass through, and a limiting block sleeved on the driven shaft is arranged in the limiting groove; the adjusting assembly comprises an adjusting plate, a first elastic element and a first operating part, the adjusting plate is fixed on the upper base plate, the first operating part is provided with an operating part, the first elastic element is respectively abutted against the sliding shaft seat and the operating part of the first operating part, the adjusting plate is provided with a first matching hole for the operating part of the first operating part to be placed in, an external thread is formed on the side wall of the operating part of the first operating part, and the first matching hole forms an internal thread matched with the external thread.

further, the adjusting part still includes limiting plate, second elastic element and second operating parts, the limiting plate is fixed on the regulating plate, the second operating parts has the operation portion, the second elastic element respectively with the slip axle bed with the operation portion of second operating parts supports the top, the limiting plate has the confession the second mating holes that the operation portion of second operating parts put into, be formed with the external screw thread on the operation portion lateral wall of second operating parts, second mating holes form with the internal thread of this external screw thread cooperation spiro union.

Furthermore, a self-aligning roller bearing is arranged in the limiting block, and the driven shaft is sleeved with the self-aligning roller bearing.

Furthermore, heating components are arranged on the fixed shaft seat and the sliding shaft seat respectively, and each heating component comprises a sleeve heater and an electric heating block jacket sleeved outside the sleeve heater.

Furthermore, the bottom of driving shaft is connected with the shaft coupling, the cover is equipped with driven gear on the driven shaft, be connected with on the driving shaft with driven gear meshing's driving gear.

The invention provides a powder packaging machine which comprises the material bag sealing device.

Compared with the prior art, the material bag sealing device provided by the invention has the advantages that the preheating device is used for heating the top edge of the packaging film, and the top edge of the packaging film penetrating out of the preheating device is pressed through the extrusion sealing device, so that the heating time of the packaging film is prolonged, the heat sealing effect of the opening of the packaging film is improved, and the firmness of the sealing position is good.

Compared with the prior art, the powder packaging machine provided by the invention improves the heat sealing effect of the opening of the packaging film by adopting the material bag sealing device.

Drawings

fig. 1 is a schematic perspective view of a sachet sealing device provided in an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a preheating apparatus according to an embodiment of the present invention;

Fig. 3 is a schematic perspective view of a squeeze closure according to an embodiment of the present invention;

Fig. 4 is a schematic front view of a squeeze closure according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a pinch seal provided in accordance with an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a transmission according to an embodiment of the present invention;

FIG. 7 is a schematic front view of a transmission provided in accordance with an embodiment of the present invention;

FIG. 8 is a cross-sectional view taken along line A-A of FIG. 7;

FIG. 9 is a schematic top view of a transmission provided in accordance with an embodiment of the present invention;

fig. 10 is a sectional view taken along line B-B of fig. 9.

Description of the main elements

400: material bag sealing device 410: working table

420: preheating device 421: hot-stamping support

422: the hot component 423: sliding groove

424: fixing plate 425: movable plate

426: heating pipe 427: hinge assembly

428: operating handle

430: extrusion sealing device 4301: extrusion support

4302: fixing shaft seat 4303: sliding shaft seat

4304: driving shaft 4305: driven shaft

4306: pressing wheel group 4307: active pinch roller

4308: driven pinch roller 4309: adjusting assembly

4310: the coupling 4311: driven gear

4312: drive gear 4313: upper soleplate

4314: lower base plate 4315: adjusting groove

4316: limiting groove 4317: limiting block

4318: adjusting plate 4319: first elastic element

4320: first operation piece 4321: first mating hole

4322: self-aligning roller bearing 4323: first holding cap

4324: limiting plate 4325: second elastic element

4326: second operation piece 4327: second mating hole

4328: second holding cap 4329: sleeve heater

4330: electric heating block jacket 4331: first upper sealing plate

4332: first roller bearing 4333: first elastic retainer ring

4334: first bearing cover 4335: deep groove ball bearing

4336: second bearing cover 4337: first shaft sleeve

4338: second upper closing plate 4339: second roller bearing

4340: second circlip 4341: third bearing cover

4342: spacer 4343: second shaft sleeve

4344: lower closing plate

440: the transmission 450: discharging hopper

4401: drive input shaft 4402: compensation gear

4403: transmission output shaft 4404: first bevel gear

4405: first support 4406: first bearing

4407: second support 4408: second bearing

4409: gear differential 4410: planetary gear

4411: left half shaft 4412: right half axle

4413: compensation drive 4414: driving motor

4415: worm 4416: gear assembly

4417: the transmission gear 4418: second bevel gear

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.

In order to make the technical solutions of the present invention better understood by those skilled in the art, the following detailed description of the implementations of the present invention is provided with reference to the accompanying drawings.

For convenience of description, the terms "front", "rear", "left", "right", "up" and "down" used hereinafter are the same as the drawings, and do not limit the structure of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

Fig. 1 to 10 show a preferred embodiment of the present invention.

Referring to fig. 1 to 5, the package sealing device 400 provided in this embodiment includes a worktable 410, a preheating device 420 and a press sealing device 430, and both the preheating device 420 and the press sealing device 430 are supported on the worktable 410. A table 410 for moving the top-opened folded packaging film; the preheating device 420 is used for heating the top edge of the packaging film, and the extrusion sealing device 430 is used for pressing the top edge of the packaging film which passes through the preheating device 420.

Foretell material package closing device 400 adopts pre-heating device to the top edge heating of packaging film, is right passing through extrusion closing device the warp the top edge pressfitting of packaging film that pre-heating device wore out, like this, has increased the heat time to the packaging film, has improved the opening part heat seal of packaging film and has sealed the effect, and the department's fastness of sealing is good.

Referring to fig. 1, the package sealing apparatus 400 of the present embodiment includes a worktable 410, a preheating device 420 and a press sealing device 430, the preheating device 420 and the press sealing device 430 are supported on the worktable 410, in the present embodiment, the worktable 410 is used for moving a folded packaging film (not shown) with an open top, a right end (shown right end) of the worktable 410 is butted with a device not shown upstream, the upstream device is used for longitudinally sealing edges of the folded packaging film to form a plurality of cavities respectively opening upwards on the packaging film, and powder is injected into the cavities, and the press sealing device 430 can provide a traction force to the packaging film to pull the packaging film to move. A transmission device 440 is arranged below the extrusion sealing device 430 on the workbench 410, the transmission device 440 is in transmission connection with the extrusion sealing device 430, and a blanking groove is arranged at the left end (shown in the figure) of the workbench 410 for blanking of packaging films.

Referring to fig. 2, a preheating device 420 is used to heat the top edge of the packaging film. The preheating device 420 includes a bar-shaped ironing stand 421 and an ironing assembly 422 supported on the ironing stand 421; the ironing stand 421 has a sliding groove 423 for moving the top-opened folded packaging film; the ironing heat assembly 422 includes a fixed plate 424 fixed on the ironing heat supporter 421, a movable plate 425 pivotally attached on the fixed plate 424, and heating pipes 426 disposed in the fixed plate 424 and the movable plate 425, respectively; the movable plate 425 and the fixed plate 424 enclose a heating gap for the top edge of the packaging film to slide and communicate with the sliding groove 423. The heating tube 426 may be a red copper electric heating tube, a stainless steel heating tube, or a ceramic heating tube, and the power of the heating tube 426 is between 700W and 1000W. It is easily understood that the top edge of the packaging film is heated by the preheating device 420, so that the sealing effect of the top opening of the packaging film can be ensured.

In the present embodiment, the number of the ironing heat assemblies 422 is, but not limited to, two, and the two ironing heat assemblies 422 are arranged side by side and at intervals in the length direction of the ironing heat supporter 421. The fixing plate 424 has a first mounting hole (not shown) for mounting the heating pipe 426, which penetrates both end surfaces of the fixing plate 424 in a direction parallel to the length direction of the ironing bracket 421; the movable plate 425 has a second mounting hole (not shown) for mounting the heating pipe 426, and the second mounting hole penetrates both end surfaces of the fixed plate 424 in a direction parallel to the length direction of the ironing bracket 421. It should be noted that, because the moving speed of the packaging film is too fast, the two hot stamping assemblies 422 are adopted, so that the heating time of the packaging film can be prolonged, and the heating effect is further improved.

In this embodiment, the preheating device 420 further includes a connecting plate (not shown), and two ends of the connecting plate are respectively connected and fixed to the movable plates 425 of the two ironing assemblies 422, so that the two movable plates 425 can be pressed and opened at the same time, which is convenient for use.

In the present embodiment, a hinge 427 is disposed on the top of the fixed plate 424, and the movable plate 425 is connected to the fixed plate 424 by the hinge 427. Specifically, the movable plate 425 has a certain weight, and after the opening external force is removed, the movable plate 425 can swing downward and toward the fixed plate 424 by gravity, and the movable plate 425 and the fixed plate 424 define the above-mentioned heating gap together.

In the present embodiment, an operating handle 428 is fixedly connected to the movable plate 425 for grasping, so that an operator can hold the operating handle 428 by hand to operate the movable plate 425 to open and close.

Referring to fig. 1, 3 to 5, the extrusion sealing device 430 is used for pressing the top edge of the packaging film which penetrates out of the preheating device 420, the extrusion sealing device 430 includes an extrusion support 4301, an extrusion channel for moving the top-opened folded packaging film, a fixed shaft seat 4302, a sliding shaft seat 4303, a driving shaft 4304, a driven shaft 4305, and a pressing wheel group 4306 for pressing the top edge of the packaging film in the extrusion channel, and the extrusion channel corresponds to the heating gap; the fixed shaft seat 4302 is fixedly connected with the extrusion support 4301, the sliding shaft seat 4303 is slidably arranged on the extrusion support 4301, the driving shaft 4304 is rotatably supported in the fixed shaft seat 4302, and two ends of the driving shaft 4304 respectively extend out of the end part of the fixed shaft seat 4302; the driven shaft 4305 is rotatably supported in the sliding shaft seat 4303, and two ends of the driven shaft 4305 respectively extend out of the end part of the sliding shaft seat 4303; the pressing wheel group 4306 comprises a driving pressing wheel 4307 which is coaxially arranged with the driving shaft 4304 and fixedly connected with the driving shaft 4304 and a driven pressing wheel 4308 which is coaxially arranged with the driven shaft 4305 and fixedly connected with the driven shaft 4308; the extrusion support 4301 is provided with an adjusting assembly 4309 for driving the sliding shaft seat 4303 to move relative to the extrusion support 4301, and making the driven pressure wheel 4308 abut against the driving pressure wheel 4307. It should be noted that, under the drive of adjusting component 4309, driven pinch roller 4308 can be pressed on active pinch roller 4307, and thus, driven pinch roller 4308 presses and active pinch roller 4307 extrudes the packaging film to pressfitting the opening of packaging film, can provide traction force to the packaging film simultaneously, and the pulling packaging film moves.

In this embodiment, a coupling 4310 is connected to the bottom end of the driving shaft 4304, a driven gear 4311 is sleeved on the driven shaft 4305, and a driving gear 4312 engaged with the driven gear 4311 is connected to the driving shaft 4304. The driving gear 4312 is in key connection with the driving shaft 4304, the driven gear 4311 is in key connection with the driven shaft 4305, the driving shaft 4304 is connected with the shaft of the transmission device 440 through the shaft coupling 4310, so that when the driving shaft 4304 rotates, the driven shaft 4305 is driven to rotate through the driving gear 4312 and the driven gear 4311 which are meshed, and the driving pressure wheel 4307 fixed on the driving shaft 4304 and the driven pressure wheel 4308 fixed on the driven shaft 4305 rotate.

Referring to fig. 3 to 5, the extrusion support 4301 includes an upper base plate 4313 and a lower base plate 4314 located below the upper base plate 4313, the fixed shaft seat 4302 is fixedly disposed on the upper base plate 4313, the upper base plate 4313 is provided with an adjustment groove 4315, and the bottom of the sliding shaft seat 4303 is slidably disposed in the adjustment groove 4315; a limiting groove 4316 corresponding to the adjusting groove 4315 and a lower through hole for the driving shaft 4304 to pass through are formed in the lower base plate 4314, and a limiting block 4317 sleeved on the driven shaft 4305 is arranged in the limiting groove 4316; the adjusting assembly 4309 includes an adjusting plate 4318, a first elastic element 4319 and a first operating element 4320, the adjusting plate 4318 is fixed on the upper base plate 4313, the first operating element 4320 has an operating portion, the first elastic element 4319 abuts against the operating portions of the sliding shaft seat 4303 and the first operating element 4320, the adjusting plate 4318 has a first fitting hole 4321 for the operating portion of the first operating element 4320 to be inserted into, an external thread is formed on a side wall of the operating portion of the first operating element 4320, and the first fitting hole 4321 forms an internal thread that is screwed with the external thread. A self-aligning roller bearing 4322 is arranged in the limiting block 4317, and the self-aligning roller bearing 4322 is sleeved on the driven shaft 4305. In this embodiment, the first elastic element 4319 is, but not limited to, a spring, a first retaining cap 4323 is fixed to an end of the first operating member 4320, and the first elastic element 4319 is nested on the first retaining cap 4323. It can be understood that, by screwing the first operating element 4320, the first operating element 4320 moves towards the sliding shaft seat 4303, so as to squeeze the first elastic element 4319 located therebetween, the first elastic element 4319 pushes the sliding shaft seat 4303 after being pressed, and the sliding shaft seat 4303 drives the driven shaft 4305 and the driven pressure wheel 4308 to swing towards the driving shaft 4304, so that the driven pressure wheel 4308 is pressed against the driving pressure wheel 4307.

Referring to fig. 3 to 5, the adjusting assembly 4309 further includes a limiting plate 4324, a second elastic element 4325 and a second operating element 4326, the limiting plate 4324 is fixed on the adjusting plate 4318, the second operating element 4326 has an operating portion, the second elastic element 4325 abuts against the operating portions of the sliding shaft seat 4303 and the second operating element 4326, the limiting plate 4324 has a second fitting hole 4327 for placing the operating portion of the second operating element 4326 therein, an external thread is formed on a side wall of the operating portion of the second operating element 4326, and the second fitting hole 4327 forms an internal thread that is screwed with the external thread. In the present embodiment, the second operating element 4326 is located above the first operating element 4320, the second elastic element 4325 is, but not limited to, a spring, a second retaining cover 4328 is fixed to an end of the second operating element 4326, and the second elastic element 4325 is nested on the second retaining cover 4328. The pressing force between driven pressure wheel 4308 and driving pressure wheel 4307 can be further increased by second operation element 4326, and the structure can be more stable.

Referring to fig. 5, heating assemblies are respectively arranged on the fixed shaft seat 4302 and the sliding shaft seat 4303, each heating assembly comprises a sleeve heater 4329 and an electric heating block jacket 4330 sleeved outside the sleeve heater 4329, and the heating assemblies raise the temperature of the driving pressure wheel 4307 and the driven pressure wheel 4308, so that hot pressing of the packaging film is realized.

referring to fig. 5, in detail, the driving pressure wheel 4307 is held at an upper end (shown in the figure) of the driving shaft 4304 by a first upper sealing plate 4331, the sleeve heater 4329 is sleeved at the upper end of the driving shaft 4304, an upper half section of the sleeve heater 4329 is wrapped in the driving pressure wheel 4307, and the electric heating block jacket 4330 is sleeved at the upper end of the fixed shaft seat 4302 and is wrapped outside a lower half section of the sleeve heater 4329. A first roller bearing 4332 is arranged between the fixed shaft seat 4302 and the driving shaft 4304, the upper end of the first roller bearing 4332 is limited by a first elastic retainer ring 4333, and the lower end is retained by a first bearing cover 4334. A deep groove ball bearing 4335 is arranged between the driving shaft 4304 and the lower bottom plate 4314, the upper end of the deep groove ball bearing 4335 is retained by a second bearing cover 4336, and a first shaft sleeve 4337 is arranged between the lower end of the deep groove ball bearing 4335 and the driving gear 4312. The driven pinch roller 4308 is held at the upper end (shown in the figure) of the driven shaft 4305 by a second upper sealing plate 4338, the sleeve heater 4329 is sleeved at the upper end of the driven shaft 4305, the upper half section of the sleeve heater 4329 is wrapped in the driven pinch roller 4308, and the electric heating block outer sleeve 4330 is sleeved at the upper end of the sliding shaft seat 4303 and is wrapped outside the lower half section of the sleeve heater 4329. A second roller bearing 4339 is arranged between the sliding shaft seat 4303 and the driven shaft 4305, the upper end of the second roller bearing 4339 is limited by a second elastic retainer ring 4340, and the lower end is retained by a third bearing cover 4341. The self-aligning roller bearing 4322 is provided at an upper end thereof with a spacer 4342, a second bushing 4343 is provided between a lower end thereof and the driven gear 4311, and the lower end of the driven gear 4311 is held on the driven shaft 4305 by a lower seal plate 4344.

Referring to fig. 6 to 8, the transmission device 440 provided in this embodiment includes a transmission input shaft 4401 and a transmission output shaft 4403 rotationally connected to the transmission input shaft 4401, wherein the transmission input shaft 4401 is rotationally connected to an output motor (not shown), and transmits power of the output motor to the transmission output shaft 4403, and transmits the power to the driving shaft 4304 of the extrusion sealing apparatus 430 through the transmission output shaft 4403; a first support 4405 and a second support 4407 are arranged on the workbench 410 at intervals, a gear differential 4409 is fixedly arranged between the first support 4405 and the second support 4407, and the gear differential 4409 is respectively in rotating connection with the transmission input shaft 4401 and the transmission output shaft 4403, so that the transmission stability between the transmission input shaft 4401 and the transmission output shaft 4403 is improved; the transmission device 440 further includes a compensation driving element 4413 rotatably connected to the transmission input shaft 4401, and the compensation driving element 4413 is used for compensating the power of the transmission input shaft 4401, so that the transmission efficiency between different operation mechanisms is equal, that is, the same rotation speed of the main driving shaft in each mechanism is ensured, and the kinetic energy loss in the transmission process is compensated.

Further, a gear assembly 4416 is arranged between the gear differential 4409 and the transmission output shaft 4403, the gear assembly 4416 is fixedly connected to the workbench 410, and the kinetic energy transmitted from the transmission input shaft 4401 to the gear differential 4409 is transmitted to the transmission output shaft 4403 by using the gear assembly 4416 fixed on the workbench 410 and is transmitted to the driving shaft 4304 through the transmission output shaft 4403, so that the packaging film which can be pressed and sealed by the extrusion sealing device 430 can be processed.

Further, the transmission device 440 further includes a compensation gear 4402 fixedly disposed on the transmission input shaft 4401, the compensation gear 4402 is rotatably connected to the compensation driving member 4413, and the power compensated by the compensation driving member 4413 is transmitted to the transmission input shaft 4401 through the compensation gear 4402, so as to compensate the power loss in the transmission process.

Further, the compensation driving part 4413 includes a driving motor 4414 and a worm 4415 rotatably connected to the driving motor 4414, the worm 4415 is engaged with the compensation gear 4402, and the power provided by the driving motor 4414 is output through the worm 4415 rotatably connected to the driving motor 4414 and is transmitted to the compensation gear 4402 engaged therewith, and then the power is transmitted to the transmission input shaft 4401 through the compensation gear 4402.

Further, the gear differential 4409 includes a planetary gear 4410, a left half shaft 4411 having a gear, and a right half shaft 4412 having a gear, the gear of the left half shaft 4411 and the gear of the right half shaft 4412 are both engaged with the planetary gear 4410, and the right half shaft 4412 is rotationally connected with the transmission input shaft 4401; the power of the transmission input shaft 4401 and the power compensated by the compensation driving piece 4413 are transmitted to the gear differential 4409 through the right half shaft 4412, and since the left half shaft 4411 with the gear and the right half shaft 4412 with the gear are both meshed with the planetary gear 4410, the power transmitted by the right half shaft 4412 is transmitted to the left half shaft 4411 through the planetary gear 4410, the power is transmitted to the transmission output shaft 4403 rotationally connected with the left half shaft 4411, and the power is transmitted to the driving shaft 4304 through the transmission output shaft 4403.

Further, the transmission input shaft 4401 is arranged perpendicular to the transmission output shaft 4403, one end of the transmission output shaft 4403, which faces the transmission input shaft 4401, is provided with a first bevel gear 4404, the gear assembly 4416 comprises a second bevel gear 4418 which is meshed with the first bevel gear 4404, and through the meshing between the first bevel gear 4404 of the transmission output shaft 4403 and the second bevel gear 4418 of the gear assembly 4416, the power on the transmission input shaft 4401 is transmitted to the transmission output shaft 4403 which is perpendicular to the transmission input shaft 4401, which is beneficial to improving the adaptability of the transmission device 440.

Referring to fig. 9 and 10, in this embodiment, a first mounting hole for penetrating the transmission input shaft 4401 is disposed on the first support 4405 of the workbench 410, a first bearing 4406 is disposed on the first support 4405 and between the first mounting hole and the transmission input shaft 4401, and by disposing the first bearing 4406 in the first mounting hole, friction between the transmission input shaft 4401 and the inner surface of the first mounting hole is prevented, which results in a large amount of kinetic energy loss during transmission, which is beneficial to reducing the loss of kinetic energy during transmission, and prevents a load of the output motor from being increased due to friction between the transmission input shaft 4401 and the inner surface of the first mounting hole, and disposing the first bearing 4406 in the first mounting hole is beneficial to prolonging the service life of the transmission device 440.

Further, a second mounting hole through which the left half shaft 4411 of the gear differential 4409 penetrates is formed in the second support 4407, a second bearing 4408 is arranged on the second support 4407 and between the second mounting hole and the left half shaft 4411, and the second bearing 4408 is arranged in the second mounting hole, so that friction between the left half shaft 4411 of the gear differential 4409 and the inner surface of the second mounting hole is prevented, a large amount of kinetic energy is lost in the transmission process, the loss of the kinetic energy in the transmission process is reduced, friction force between the left half shaft 4411 of the gear differential 4409 and the inner surface of the second mounting hole is prevented, the load of an output motor is increased, and the service life of the transmission device 440 is prolonged by the second bearing 4408 arranged in the second mounting hole.

Further, the gear assembly 4416 includes a transmission gear 4417 disposed between the second bracket 4407 and the gear differential 4409, the transmission gear 4417 is disposed coaxially with the transmission input shaft 4401, so that the power on the gear differential 4409 is transmitted to the gear assembly 4416 through the transmission gear 4417 disposed coaxially with the transmission input shaft 4401, and since the transmission gear 4417 is disposed coaxially with the transmission input shaft 4401, the transmission efficiency is optimized, and the transmission loss is minimized.

The powder packaging machine provided by the embodiment comprises the material bag sealing device 400.

the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.