A packaging machine heat seal mechanism

Abstract

This utility model relates to the technical field of packaging machine production equipment, and discloses a heat sealing mechanism for a packaging machine, including a support assembly. A winding brake assembly is installed on the top of the support assembly, a heat pressing assembly is correspondingly arranged on the top inner side of the winding brake assembly, and a feeding assembly is correspondingly arranged on the bottom side of the winding brake assembly. Both the heat pressing assembly and the feeding assembly are fixedly installed on the top of the support assembly. This utility model, by installing a feeding assembly on the device, allows the material to be fed during the sealing process, thus avoiding the cumbersome processing and improving the efficiency of the device.

Description

Technical Field

[0001] This utility model relates to the technical field of packaging machine production equipment, specifically a heat sealing mechanism for a packaging machine. Background Technology

[0002] In the field of packaging technology, heat sealing technology is widely used, commonly found in packaging scenarios for daily chemicals, food, and pharmaceuticals. It typically utilizes heat-sealing devices or machines, heating the material at the sealing point to a viscous, fluid state before applying pressure to seal it. The heat-sealing head is the key component. Current packaging machine heat-sealing mechanisms suffer from several problems. For example, some mechanisms rely on telescopic rods to move the heat-sealing components. During gas replacement, the air blower / suction pipe within the movement range needs to be inserted into the bag, and must avoid obstacles before reaching the heat-sealing mechanism, resulting in wasted travel and low efficiency. After the turntable rotates to the heat-sealing station, the single insertion stroke of the air blower / suction pipe is limited, easily causing bag wrinkles, bag displacement, or falling off. For long bags, bags with many materials, or bags with small particles, the gas replacement effect is poor. Furthermore, in traditional heat-sealing mechanisms, the heating wire expands and contracts due to thermal expansion, but no deformation space is provided, leading to easy breakage of the heating wire and shortened lifespan. Even with space, the heating wire's tightness deteriorates after deformation, affecting the heat-sealing effect. Some heat-sealing devices use conductive rings to power the heating element, which is costly, causes rapid wear of parts, and is prone to leakage due to insulation problems, increasing operating and maintenance costs. Furthermore, the existing packaging machine heat-sealing mechanism has a complex structure, making replacement and maintenance inconvenient and difficult to adapt to diverse packaging needs. During heat sealing, there are also problems such as poor temperature control, low cooling and shaping efficiency, and poor continuity between sealing and cutting, all of which urgently need improvement.

[0003] Application number CN201922000030.3 discloses a heat-sealing mechanism for a packaging machine in the field of packaging machine technology. The mechanism includes a base plate, a pressure-bearing device mounted on the upper surface of the base plate, a support plate fixedly connected to the upper surface of the base plate, a toothed rod slidably inserted into the support plate, the side wall of the toothed rod connected to the right side wall of the support plate via a return spring, a fixing rod fixedly connected to the left side wall of the support plate, a motor fixedly connected to the fixing rod, and a gear fixedly connected to the output end of the motor. The gear meshes with the toothed rod, and a strip-shaped notch is provided on the toothed rod. The mechanism incorporates a pressure-bearing plate and a support spring. The device, along with structures such as the first conductive sheet, can trigger a sealing operation when the pressure plate senses a certain weight, avoiding insufficient weight during packaging. By adding a triggering device, a plug-in rod, and a pressure spring, the heating plate can automatically detach after completing the sealing operation, facilitating the replacement of the next bag of products. However, there are shortcomings. When the device is in use, manual placement of the material to be processed at the bottom position is required. The space for placement is limited at the bottom of the processing device, which makes placement inconvenient and affects the overall processing efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a heat sealing mechanism for a packaging machine, which solves the problem that when processing is required, the material to be processed needs to be manually placed at the bottom position. However, the placement space is limited at the bottom side of the processing device, which makes placement inconvenient and affects the overall processing efficiency.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a heat sealing mechanism for a packaging machine, including a support assembly. A winding brake assembly is installed on the top of the support assembly. A hot pressing assembly is correspondingly arranged on the top of the inner side of the winding brake assembly, and a feeding assembly is correspondingly arranged on the bottom side of the winding brake assembly. The hot pressing assembly and the feeding assembly are both fixedly installed on the top of the support assembly.

[0007] The feeding assembly includes a pneumatic rod, the end of which is hinged and mounted on the bottom of a translation plate. The two sides of the translation plate are slidably mounted on a limiting slide plate, and limiting placement slots are provided on both sides of the translation plate. A push-out device is correspondingly provided at the bottom of the limiting placement slot. The limiting slide plate is fixedly mounted on the top two sides of the work box, and the limiting slide plate is correspondingly located on the inner side of the work support.

[0008] Furthermore, the support assembly includes a working box, with a support suction cup fixedly installed diagonally at the bottom of the working box, and a working bracket fixedly installed at the top center of the working box, with an extension rod fixedly installed on the top front side of the working bracket.

[0009] Furthermore, the winding braking assembly includes a rotary motor, which is fixedly installed on the outer wall of the top rear side of the working bracket. The inner side of the rotary motor is connected to a transmission roller shaft via a transmission box. The transmission roller shaft is positioned between the top rear side of the working bracket. A positioning roller shaft one is correspondingly provided on the bottom side of the transmission roller shaft. The positioning roller shaft one is positioned and installed at the rear bottom side of the working bracket. A positioning roller shaft two is correspondingly provided on the front side of the positioning roller shaft one. The positioning roller shaft two is positioned and installed at the bottom front side of the working bracket. A sealing film roll is correspondingly provided diagonally opposite the top of the positioning roller shaft two. The sealing film roll is positioned and installed between the extension support rods.

[0010] Furthermore, the tail end of the pneumatic rod is connected to the bottom inner wall of the working bracket via a hinge, and the ejection device is fixedly installed on the front side of the top of the working box.

[0011] Furthermore, the hot pressing assembly includes a mounting top plate, which is fixedly installed at the top center of the working support, and a pneumatic pump is fixedly installed at the bottom of the mounting top plate. A hot pressing device is fixedly installed at the end of the pneumatic pump, and a hot pressing plate is fixedly installed at the bottom of the hot pressing device. The hot pressing plate corresponds to and is compatible with the limiting placement slot on the translation plate.

[0012] Furthermore, the ejection device includes an ejection seat, the bottom of which is fixedly mounted with a telescopic support rod, which is slidably mounted on the top of the pneumatic lifting pump, and the bottom of the pneumatic lifting pump is mounted inside the working box via a hinge.

[0013] This utility model has the following beneficial effects:

[0014] (1) The heat sealing mechanism of the packaging machine of this utility model has a feeding component installed on the device, which can support the feeding of the material to be processed when the sealing work is carried out by the feeding component. This avoids the cumbersome processing process and provides high efficiency when the device is used.

[0015] (2) The heat sealing mechanism of the packaging machine of this utility model has an ejection device corresponding to the bottom side of the feeding component in the device, which enables the processed material to be ejected and removed when using the device.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of a heat sealing mechanism for a packaging machine according to the present invention;

[0019] Figure 2 This is a schematic diagram of the winding braking assembly of a heat sealing mechanism for a packaging machine according to the present invention.

[0020] Figure 3 This is a schematic diagram of the feeding assembly and hot pressing assembly of a heat sealing mechanism for a packaging machine according to the present invention;

[0021] Figure 4This is a schematic diagram of the ejection device of the heat sealing mechanism of a packaging machine according to the present invention;

[0022] The attached diagram lists the components represented by each number as follows:

[0023] In the diagram: 1. Support assembly; 2. Rewinding brake assembly; 3. Feeding assembly; 4. Hot pressing assembly; 101. Working box; 102. Support suction cup; 103. Working support; 104. Extension support rod; 201. Rotary motor; 202. Transmission roller shaft; 203. Positioning roller shaft one; 204. Positioning roller shaft two; 205. Sealing film roll shaft; 301. Pneumatic rod; 302. Translation plate; 303. Limiting slide support plate; 304. Limiting placement slot; 305. Ejection device; 401. Mounting top plate; 402. Pneumatic pump; 403. Hot pressing device; 404. Hot pressing plate; 3051. Ejection seat; 3052. Telescopic support rod; 3053. Pneumatic lifting pump. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-4 As shown, this utility model is a heat sealing mechanism for a packaging machine, including a support assembly 1. A winding brake assembly 2 is installed on the top of the support assembly 1. A heat pressing assembly 4 is correspondingly arranged on the top of the inner side of the winding brake assembly 2, and a feeding assembly 3 is correspondingly arranged on the bottom side of the winding brake assembly 2. The heat pressing assembly 4 and the feeding assembly 3 are both fixedly installed on the top of the support assembly 1.

[0026] The feeding assembly 3 includes a pneumatic rod 301. The end of the pneumatic rod 301 is hinged and installed at the bottom of the translation plate 302. The two sides of the translation plate 302 are slidably installed on the limiting slide groove support plate 303. The two sides of the translation plate 302 are provided with limiting placement slots 304. The bottom of the limiting placement slots 304 is correspondingly provided with an ejection device 305. The limiting slide groove support plate 303 is fixedly installed on the top two sides of the work box 101 and is correspondingly arranged on the inner side of the work support 103.

[0027] By installing the feeding component 3 on the device, the material to be processed can be fed during the sealing process, thus avoiding the cumbersome processing and improving the efficiency of the device.

[0028] The support assembly 1 includes a work box 101. Support suction cups 102 are fixedly installed diagonally at the bottom of the work box 101, and a work support 103 is fixedly installed at the top center of the work box 101. An extension support rod 104 is fixedly installed on the front top of the work support 103. The support assembly 1 provides a support foundation for the entire mechanism. The work box 101 carries the various components, the support suction cups 102 ensure the stable placement of the mechanism, and the work support 103 and extension support rod 104 are used to install other components.

[0029] The winding braking assembly 2 includes a rotary motor 201, which is fixedly installed on the outer wall of the top rear side of the working bracket 103. A transmission roller shaft 202 is connected to the inner side of the rotary motor 201 via a transmission box. The transmission roller shaft 202 is positioned between the top rear side of the working bracket 103, and a positioning roller shaft 203 is correspondingly positioned on the bottom side of the transmission roller shaft 202. The positioning roller shaft 203 is positioned at the rear end of the bottom side of the working bracket 103, and a corresponding positioning roller shaft 203 is positioned on the front side of the positioning roller shaft 203. There is a positioning roller shaft 204, which is limited and installed at the bottom of the front side of the working bracket 103. A sealing film roll 205 is provided diagonally opposite the top of the positioning roller shaft 204. The sealing film roll 205 is limited and installed between the extension support rods 104. The winding brake assembly 2 is responsible for the conveying and recycling of the sealing film. The rotary motor 201 drives the transmission roller shaft 202 to rotate, which, together with the positioning roller shaft 1 203, the positioning roller shaft 204 and the sealing film roll 205, realizes the orderly conveying and winding of the sealing film.

[0030] The tail end of the pneumatic rod 301 is connected to the bottom inner wall of the working bracket 103 by a hinge. The ejection device 305 is fixedly installed on the top front side of the working box 101. The feeding assembly 3 completes the conveying of the items to be packaged. The pneumatic rod 301 drives the translation plate 302 to slide on the limiting slide plate 303. The ejection device 305 is used to eject the packaged items.

[0031] The hot pressing assembly 4 includes a mounting top plate 401, which is fixedly installed at the top center of the working bracket 103. A pneumatic pump 402 is fixedly installed at the bottom of the mounting top plate 401, and a hot pressing device 403 is fixedly installed at the end of the pneumatic pump 402. A hot pressing plate 404 is fixedly installed at the bottom of the hot pressing device 403. The hot pressing plate 404 corresponds to and is compatible with the limiting placement slot 304 on the translation plate 302. The hot pressing assembly 4 drives the hot pressing device 403 and the hot pressing plate 404 to move downward through the pneumatic pump 402, and cooperates with the limiting placement slot 304 on the translation plate 302 to complete the heat sealing operation.

[0032] The ejection device 305 includes an ejection seat 3051, a telescopic support rod 3052 is fixedly installed at the bottom of the ejection seat 3051, the telescopic support rod 3052 is slidably installed on the top of the pneumatic lifting pump 3053, and the bottom of the pneumatic lifting pump 3053 is installed inside the working box 101 by a hinge.

[0033] The heat-sealing mechanism of this packaging machine achieves the packaging sealing function through the coordinated operation of its various components. The support assembly 1 provides a supporting foundation for the entire mechanism, with the work box 101 bearing all components, the support suction cup 102 ensuring stable placement, and the work support 103 and extension rod 104 used to install other components. The winding and braking assembly 2 is responsible for the conveying and retraction of the sealing film. The rotary motor 201 drives the transmission roller shaft 202 to rotate, cooperating with the positioning roller shaft one 203, positioning roller shaft two 204, and sealing film roll 205 to achieve orderly conveying and winding of the sealing film. The feeding assembly 3 completes the conveying of the items to be packaged. The pneumatic rod 301 drives the translation plate 302 to slide on the limiting slide groove support plate 303, and the ejection device 305 is used to eject the packaged items. The heat-pressing assembly 4, driven by the pneumatic pump 402, moves the heat-pressing device 403 and heat-pressing plate 404 downwards, cooperating with the limiting placement slot 304 on the translation plate 302 to complete the heat-sealing operation. In the workflow, the items to be packaged are placed in the limiting placement slot 304 of the translation plate 302, and the sealing film is installed on the sealing film roll 205. The sealing film is guided by the positioning roller shaft 204 and the positioning roller shaft 203 and then connected to the transmission roller shaft 202. The pneumatic rod 301 is activated, and its end drives the translation plate 302 to slide on the limiting slide support plate 303 through a hinge, conveying the limiting placement slot 304 containing the items to be packaged to directly below the hot pressing assembly 4. The pneumatic pump 402 in the hot pressing assembly 4 is activated, pushing the hot pressing device 403 and the hot pressing plate 404 downward. The hot press plate 404 contacts the limiting placement slot 304 on the translation plate 302, and performs a hot press sealing operation on the items to be packaged placed in the slot. At the same time as the hot press sealing, the rotary motor 201 of the winding brake assembly 2 starts, and drives the transmission roller shaft 202 to rotate through the transmission box, and winds up the used sealing film. At the same time, the sealing film roll 205 releases new sealing film, which is continuously supplied under the guidance of the positioning roller shaft 1 203 and the positioning roller shaft 204. After the hot press sealing is completed, the pneumatic pump 402 of the hot press assembly 4 drives the hot press device 403 and the hot press plate 404 to move upward and reset. The pneumatic rod 301 of the feeding assembly 3 drives the translation plate 302 to move back. When the limiting placement slot 304 moves above the ejection device 305, the pneumatic lifting pump 3053 of the ejection device 305 starts, pushing the telescopic support rod 3052 and the ejection seat 3051 to move upward, ejecting the packaged items in the limiting placement slot 304. The above steps of feeding, heat sealing, winding, and ejecting items are repeated to achieve continuous packaging and sealing operations.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A heat sealing mechanism for a packaging machine, comprising a support assembly (1), characterized in that: The top of the support assembly (1) is equipped with a winding brake assembly (2), the top of the inner side of the winding brake assembly (2) is correspondingly provided with a hot pressing assembly (4), and the bottom side of the winding brake assembly (2) is correspondingly provided with a feeding assembly (3). The hot pressing assembly (4) and the feeding assembly (3) are both fixedly installed above the support assembly (1). The feeding assembly (3) includes a pneumatic rod (301). The end of the pneumatic rod (301) is mounted on the bottom of the translation plate (302) by a hinge. The two sides of the translation plate (302) are slidably mounted on the limiting slide plate (303). The two sides of the translation plate (302) are provided with limiting placement slots (304). The bottom of the limiting placement slots (304) is provided with an ejection device (305). The limiting slide plate (303) is fixedly mounted on the top two sides of the work box (101). The limiting slide plate (303) is correspondingly arranged on the inner side of the work support (103).

2. The heat sealing mechanism for a packaging machine according to claim 1, characterized in that: The bracket assembly (1) includes a work box (101), a support suction cup (102) is fixedly installed diagonally at the bottom of the work box (101), and a work bracket (103) is fixedly installed in the middle of the top of the work box (101). An extension support rod (104) is fixedly installed on the front side of the top of the work bracket (103).

3. The heat sealing mechanism of a packaging machine according to claim 1, characterized in that: The winding braking assembly (2) includes a rotary motor (201), which is fixedly installed on the outer wall of the top rear side of the working bracket (103). The inner side of the rotary motor (201) is connected to a transmission roller (202) via a transmission box. The transmission roller (202) is positioned between the top rear side of the working bracket (103). A positioning roller (203) is correspondingly provided on the bottom side of the transmission roller (202). The positioning roller (203) is positioned at the bottom rear end of the working bracket (103). A positioning roller (204) is correspondingly provided on the front side of the positioning roller (203). The positioning roller (204) is positioned at the bottom front side of the working bracket (103). A sealing film roll (205) is correspondingly provided diagonally opposite the top of the positioning roller (204). The sealing film roll (205) is positioned between the extension support rods (104).

4. The heat sealing mechanism of a packaging machine according to claim 1, characterized in that: The tail end of the pneumatic rod (301) is connected to the bottom inner wall of the working bracket (103) by a hinge, and the ejection device (305) is fixedly installed on the front side of the top of the working box (101).

5. The heat sealing mechanism for a packaging machine according to claim 1, characterized in that: The hot pressing assembly (4) includes a mounting top plate (401), which is fixedly installed in the middle of the top of the working bracket (103). A pneumatic pump (402) is fixedly installed at the bottom of the mounting top plate (401), and a hot pressing device (403) is fixedly installed at the end of the pneumatic pump (402). A hot pressing plate (404) is fixedly installed at the bottom of the hot pressing device (403). The hot pressing plate (404) corresponds to and is compatible with the limiting placement slot (304) on the translation plate (302).

6. The heat sealing mechanism of a packaging machine according to claim 4, characterized in that: The ejection device (305) includes an ejection seat (3051), and a telescopic support rod (3052) is fixedly installed at the bottom of the ejection seat (3051). The telescopic support rod (3052) is slidably installed on the top of the pneumatic lifting pump (3053), and the bottom of the pneumatic lifting pump (3053) is installed inside the work box (101) by a hinge.

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