Hot-pressing edge sealing workbench for aluminum-plastic packaging bag

Abstract

The utility model discloses a hot-pressing edge sealing workbench for an aluminum-plastic packaging bag. The hot-pressing edge sealing workbench solves the problems that in the prior art, in the heat sealing process of the aluminum-plastic packaging bag, deflection is prone to occurring, and the heat sealing efficiency is low. The aluminum-plastic packaging bag hot-pressing edge sealing workbench comprises a workbench body, wherein a buffer positioning device and a hot-pressing device which are correspondingly arranged up and down are arranged on the workbench body; the buffering and positioning device comprises at least one buffering seat fixed on the table body, a positioning mechanism for positioning the aluminum plastic packaging bag is arranged on the buffering seat, the hot pressing device comprises a supporting frame connected to the table body, a moving frame capable of moving up and down is arranged on the supporting frame, and at least one hot pressing mechanism is arranged on the moving frame. And the hot-pressing mechanism and the positioning mechanism are correspondingly arranged up and down, and the hot-pressing mechanism carries out hot-pressing edge sealing on the aluminum-plastic packaging bag on the positioning mechanism. The electric heating strip is arranged in a U shape and is mainly used for conducting hot pressing on three edges of the rectangular aluminum plastic packaging bag at the same time, one-time hot pressing forming edge sealing is completed, and the hot pressing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminium -plastic technology field especially points to a kind of edge sealing device. BACKGROUND

[0002] When producing aluminium-plastic packaging bag, it needs to seal the aluminium-plastic packaging bag, generally using heat sealing device to carry out single-side sealing operation to aluminium-plastic packaging bag, and the efficiency is low. The existing heat sealing device, such as a kind of multi-layer aluminium-plastic bag hot-pressing edge sealing device with publication number CN 220053079 U, cannot position the aluminium-plastic packaging bag when heat sealing, and the heat sealing may be inclined, and the heat sealing may slide, which may cause heat sealing misregistration. In addition, the above-mentioned hot-pressing edge sealing device directly forces the aluminium-plastic packaging bag during hot-pressing process, and the direct transmission of pressure without buffering may damage the packaging bag and the device itself, and may cause the packaging bag to burst directly. In addition, the existing aluminium-plastic packaging bag has high temperature at the edge sealing position after heat sealing, and cannot be cooled in time, and the operator may be scalded if not careful. SUMMARY

[0003] In view of the deficiencies in the above background art, the utility model provides a kind of aluminium-plastic packaging bag hot-pressing edge sealing workbench, solve the problem of the existing technology that aluminium-plastic packaging bag heat sealing is prone to deviation and low heat sealing efficiency.

[0004] The technical scheme of the utility model is as follows: a kind of aluminium-plastic packaging bag hot-pressing edge sealing workbench, including table body, buffer positioning device and hot-pressing device are set up on the table body in correspondence with up and down, the buffer positioning device includes at least one buffer seat fixed on the table body, and the buffer seat is equipped with positioning mechanism for positioning aluminium-plastic packaging bag, the hot-pressing device includes support frame connected on the table body, and support frame is equipped with movable frame that can move up and down, and movable frame is equipped with at least one hot-pressing mechanism, and hot-pressing mechanism is set up in correspondence with up and down with positioning mechanism, and hot-pressing mechanism carries out hot-pressing edge sealing to aluminium-plastic packaging bag on positioning mechanism. Positioning mechanism is positioned to aluminium-plastic packaging bag, to prevent deviation of aluminium-plastic packaging bag during hot-pressing edge sealing process, improve edge sealing quality;Buffer seat buffers the pressure of hot-pressing device, to prevent damage to aluminium-plastic packaging bag caused by pressure impact.

[0005] As a preferred scheme, the buffer seat is connected to the table body by a buffer member, which buffers the pressure of the hot-pressing mechanism. The buffer member includes a fixed sleeve fixed to the table body and a floating sleeve fixed to the bottom of the buffer seat. The floating sleeve is sleeved in the fixed sleeve, and the floating sleeve and the fixed sleeve are connected with a buffer spring. The buffer seat buffers the pressure of the hot-pressing device, preventing damage to the aluminium-plastic packaging bag caused by the pressure impact.

[0006] As a preferred scheme, the positioning mechanism comprises a positioning base connected to the buffer base, the positioning base is provided with a left positioning block, a right positioning block and a top positioning block, and the buffer base is provided with a pressing plate assembly on the side opposite to the top positioning block.

[0007] As a preferred scheme, the pressing plate assembly comprises a rotating rod rotatably arranged on the positioning base, the rotating rod is fixed with a pressing plate, one end of the rotating rod is connected to a small motor arranged on the positioning base, and the side of the pressing plate facing the positioning base is provided with a protective pad. The aluminum-plastic packaging bag is further pressed and fixed by the pressing plate assembly, so that the aluminum-plastic packaging bag after positioning is prevented from moving, and the quality of heat pressing and edge sealing is improved.

[0008] As a preferred scheme, the bottom of the left positioning block, the bottom of the right positioning block and the bottom of the top positioning block are all provided with clamping columns, the positioning base is provided with first clamping grooves arranged in a row and second clamping grooves arranged in a column, the clamping column at the bottom of the top positioning block is in clamping and matching connection with the second clamping groove, and the clamping column at the bottom of the left positioning block and the clamping column at the bottom of the right positioning block are in clamping and matching connection with the first clamping groove.

[0009] As a preferred scheme, the support frame is a door-shaped frame, and the moving frame is connected to the support frame through a lifting small air cylinder; the moving frame is provided with sliding blocks on two sides, and the sliding blocks are in sliding matching connection with sliding rails arranged on the side walls of the support frame.

[0010] As a preferred scheme, the heat pressing mechanism comprises a mounting base detachably arranged on the moving frame, and the mounting base is provided with an electric heating strip, the electric heating strip is arranged in a U shape and protrudes from the bottom surface of the mounting base.

[0011] As a preferred scheme, the mounting base is further provided with an air cooling mechanism corresponding to the electric heating strip. Specifically, the air cooling mechanism comprises a plurality of air outlet nozzles arranged on the mounting base and facing the electric heating strip, and the air outlet nozzles are connected to a fan arranged on the moving frame through a pipeline. The aluminum-plastic packaging bag after heat pressing is air-cooled and cooled by the air cooling mechanism, so as to avoid scalding.

[0012] As a preferred scheme, the pipeline comprises an internal channel formed in the mounting base and an external pipeline connected to the fan, and the external pipeline and the internal pipeline are connected through a joint.

[0013] The utility model discloses beneficial effect is: the utility model discloses the cooperation of the buffer positioning device and hot pressing device of upper and lower correspondence setting can be to aluminium plastic packaging bag high accuracy positioning while to the pressure from top to bottom buffer, avoid the pressure direct action in aluminium plastic packaging bag, make its instantaneous pressure too big lead to aluminium plastic packaging bag breakage, lead to unable to compact.

[0014] The utility model discloses electric heating strip adopts U type setting, mainly for to aluminium plastic packaging bag's three edge of rectangle is hot-pressed simultaneously, completes once hot-pressing forming edge, improves hot-pressing efficiency. Besides, through the cooperation of the clamping post and the clamping groove can adjust the position of the positioning block, to adapt to different specifications of aluminium plastic packaging bag, can position aluminium plastic packaging bag of different specifications, and through the detachable connection of mounting seat and movable frame realizes the replacement of hot-pressing mechanism, to adapt to the hot-pressing edge of aluminium plastic packaging bag of different specifications, improve its applicability. The utility model discloses through the air cooling mechanism integrated on the hot-pressing mechanism, the edge of the hot-pressing of electric heating strip is air-cooled cooling, avoids its local temperature too high and causes damage, besides can also air-cooled cooling electric heating strip, avoids the continuous high temperature of electric heating strip, prolongs the service life of electric heating strip. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the embodiment of the utility model, the following will be needed to use the drawing in the embodiment description briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is the whole main view schematic drawing of the utility model;

[0017] Figure 2 It is the upper pressing plate of buffer positioning device in the state of waiting to be pressed and shown schematically;

[0018] Figure 3 It is buffer piece internal structure schematic diagram;

[0019] Figure 4 It is the overhead view schematic diagram of positioning seat.

[0020] Figure 5 It is the pressing plate assembly in the state of pressing and shown schematically;

[0021] Figure 6 It is the bottom view schematic diagram of mounting seat. DETAILED DESCRIPTION

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.

[0023] like Figure 1 As shown in Embodiment 1, a hot-press sealing workbench for aluminum-plastic packaging bags includes a workbench 1 with supporting legs. The workbench 1 is equipped with a buffer positioning device 2 and a hot-pressing device 3, which are arranged vertically and vertically. The hot-pressing device 3 seals the aluminum-plastic packaging bag by heating an electric heating strip 502 and pressing it against the bag. The buffer positioning device positions the aluminum-plastic packaging bag while buffering the downward pressure of the hot-pressing device 3, improving the efficiency and quality of the hot-press sealing. The buffer positioning device 2 includes at least one buffer seat 201 fixed to the workbench 1; one buffer seat corresponds to one aluminum-plastic packaging bag. One or more buffer seats can be provided on the workbench as needed. The buffer seat 201 is equipped with a positioning mechanism 4 for positioning the aluminum-plastic packaging bag. This positioning mechanism can position the aluminum-plastic packaging bag on three sides, improving the stability of the bag on the buffer seat, preventing displacement, and further improving the quality of the hot-press sealing. In this embodiment, the hot-pressing device 3 includes a support frame 301 connected to the platform 1. The support frame 301 is the main support component of the hot-pressing device. A movable frame 302, capable of vertical movement, is mounted on the support frame 301. The support frame provides support for the vertical movement of the movable frame. At least one hot-pressing mechanism 5 is mounted on the movable frame 302. One or more hot-pressing mechanisms can be provided as needed, with the number of hot-pressing mechanisms matching the number of buffer seats. The hot-pressing mechanisms heat-seal the aluminum-plastic packaging bags on the corresponding buffer seats. When multiple hot-pressing mechanisms and buffer seats are provided, multiple aluminum-plastic packaging bags can be heat-sealed at once, improving heat-sealing efficiency. This embodiment uses two hot-pressing mechanisms and two buffer seats as an example. The hot-pressing mechanisms 5 and the positioning mechanism 4 are arranged vertically and vertically to ensure that the hot-pressing mechanism presses down on the aluminum-plastic packaging bag positioned by the positioning mechanism. The hot-pressing mechanism 5 heat-seals the edges of the aluminum-plastic packaging bag on the positioning mechanism 4, preventing the aluminum-plastic packaging bag from shifting during the heat-sealing process.

[0024] In this embodiment, as a preferred solution, such as Figure 2 , 3As shown in the drawings, the buffer seat 201 is connected to the table body 1 through a buffer 202. Specifically, the buffer 202 comprises a fixed sleeve 203 fixed to the table body 1 and a floating sleeve 204 fixed to the bottom of the buffer seat 201, the floating sleeve 204 is sleeved in the fixed sleeve 203, and the floating sleeve 204 and the fixed sleeve 203 are connected with a buffer spring 205; the buffer spring is located in the floating sleeve 204 and the fixed sleeve 203 to prevent deviation during compression, and the cooperation of the floating sleeve 204 and the fixed sleeve 203 enables the buffer seat to only move vertically up and down without deviation, thereby ensuring the accuracy of the position of the buffer seat. When the hot pressing mechanism 5 presses and contacts the aluminum-plastic packaging bag on the buffer seat, the buffer seat is pressed, the spring is compressed, and the buffer hot pressing mechanism buffers the impact force on the aluminum-plastic packaging bag, thereby ensuring the lossless hot pressing of the aluminum-plastic packaging bag and improving the edge sealing quality.

[0025] In this embodiment, as a preferred solution, the buffer seat 201 is connected to the table body 1 through a buffer 202. Specifically, the buffer 202 comprises a fixed sleeve 203 fixed to the table body 1 and a floating sleeve 204 fixed to the bottom of the buffer seat 201, the floating sleeve 204 is sleeved in the fixed sleeve 203, and the floating sleeve 204 and the fixed sleeve 203 are connected with a buffer spring 205; the buffer spring is located in the floating sleeve 204 and the fixed sleeve 203 to prevent deviation during compression, and the cooperation of the floating sleeve 204 and the fixed sleeve 203 enables the buffer seat to only move vertically up and down without deviation, thereby ensuring the accuracy of the position of the buffer seat. When the hot pressing mechanism 5 presses and contacts the aluminum-plastic packaging bag on the buffer seat, the buffer seat is pressed, the spring is compressed, and the buffer hot pressing mechanism buffers the impact force on the aluminum-plastic packaging bag, thereby ensuring the lossless hot pressing of the aluminum-plastic packaging bag and improving the edge sealing quality. Figure 4 As shown in the drawings, the positioning mechanism 4 comprises a positioning seat 401 connected to the buffer seat 201, and the positioning seat is fixed to the upper surface of the buffer base through a bolt member; the positioning seat can be detachably connected. The positioning seat 401 is provided with a left positioning block 402, a right positioning block 403 and a top positioning block 404; the left positioning block 402, the right positioning block 403 and the top positioning block 404 are used for positioning three edges of the aluminum-plastic packaging bag, so that the positioning of the aluminum-plastic packaging bag is more accurate, the position of the aluminum-plastic packaging bag is more stable, and the aluminum-plastic packaging bag is prevented from deviating horizontally or vertically during hot pressing. The side of the buffer seat 201 opposite to the top positioning block 404 is provided with a pressing plate assembly 405; the pressing plate assembly is used for pressing and fixing the aluminum-plastic packaging bag on the positioning seat and ensuring the flatness of the aluminum-plastic packaging bag, thereby further improving the stability of the aluminum-plastic packaging bag, making the hot pressing sealing more straight, and improving the quality.

[0026] As shown in the drawings, the positioning mechanism 4 comprises a positioning seat 401 connected to the buffer seat 201, and the positioning seat is fixed to the upper surface of the buffer base through a bolt member; the positioning seat can be detachably connected. The positioning seat 401 is provided with a left positioning block 402, a right positioning block 403 and a top positioning block 404; the left positioning block 402, the right positioning block 403 and the top positioning block 404 are used for positioning three edges of the aluminum-plastic packaging bag, so that the positioning of the aluminum-plastic packaging bag is more accurate, the position of the aluminum-plastic packaging bag is more stable, and the aluminum-plastic packaging bag is prevented from deviating horizontally or vertically during hot pressing. The side of the buffer seat 201 opposite to the top positioning block 404 is provided with a pressing plate assembly 405; the pressing plate assembly is used for pressing and fixing the aluminum-plastic packaging bag on the positioning seat and ensuring the flatness of the aluminum-plastic packaging bag, thereby further improving the stability of the aluminum-plastic packaging bag, making the hot pressing sealing more straight, and improving the quality. Figure 5 As shown in the drawings, the positioning mechanism 4 comprises a positioning seat 401 connected to the buffer seat 201, and the positioning seat is fixed to the upper surface of the buffer base through a bolt member; the positioning seat can be detachably connected. The positioning seat 401 is provided with a left positioning block 402, a right positioning block 403 and a top positioning block 404; the left positioning block 402, the right positioning block 403 and the top positioning block 404 are used for positioning three edges of the aluminum-plastic packaging bag, so that the positioning of the aluminum-plastic packaging bag is more accurate, the position of the aluminum-plastic packaging bag is more stable, and the aluminum-plastic packaging bag is prevented from deviating horizontally or vertically during hot pressing. The side of the buffer seat 201 opposite to the top positioning block 404 is provided with a pressing plate assembly 405; the pressing plate assembly is used for pressing and fixing the aluminum-plastic packaging bag on the positioning seat and ensuring the flatness of the aluminum-plastic packaging bag, thereby further improving the stability of the aluminum-plastic packaging bag, making the hot pressing sealing more straight, and improving the quality.

[0027] In the embodiment, the bottom of the left positioning block 402, the bottom of the right positioning block 403 and the bottom of the top positioning block 404 are provided with clamping columns 410, the positioning seat 401 is provided with first clamping slots 411 arranged in a row and second clamping slots 412 arranged in a column, the clamping column 410 at the bottom of the top positioning block 404 is clamped and matched with the second clamping slot 412, and the clamping column 410 at the bottom of the left positioning block 402 and the clamping column 410 at the bottom of the right positioning block 403 are clamped and matched with the first clamping slot 411. The position of the positioning block can be adjusted through the matching of the clamping column and the clamping slot, so as to adapt to aluminum-plastic packaging bags of different specifications, and the aluminum-plastic packaging bags of different specifications can be positioned, thereby improving the applicability.

[0028] In the embodiment, as shown in Figure 6 The hot pressing mechanism 5 includes a mounting seat 501 detachably arranged on the moving frame 302. The hot pressing mechanism can be replaced through the detachable connection of the mounting seat and the moving frame, so as to adapt to aluminum-plastic packaging bags of different specifications. The mounting seat 501 is provided with an electric heating strip 502. The electric heating strip 502 is a heating protrusion with a trapezoidal cross section, so that the aluminum-plastic packaging bag can be formed by one-time hot pressing. The electric heating strip 502 is arranged in a U shape and protrudes from the bottom surface of the mounting seat 501. The electric heating strip 502 seals the edge of the aluminum-plastic packaging bag through electric heating. The electric heating strip is arranged in a U shape, which is mainly used for simultaneously hot pressing the three edges of the rectangular aluminum-plastic packaging bag, completes one-time hot pressing and sealing of the edge, and improves the hot pressing efficiency.

[0029] As shown in Figure 1 In the embodiment 3, an aluminum-plastic packaging bag hot pressing and sealing workbench is further preferred on the basis of the embodiment 1 or 2. The support frame 301 is a door-shaped frame in the embodiment, which spans on the table body 1. The moving frame 302 is connected to the support frame 301 through the lifting small air cylinder 303. Under the action of the lifting small air cylinder, the moving frame can move up and down relative to the support frame, which is used to drive the up and down movement of the hot pressing device. In order to further improve the stability of the movement of the moving frame, the two sides of the moving frame 302 are provided with sliding blocks 304 in the embodiment, which are slidingly matched with the sliding rails 305 arranged on the side wall of the support frame 301. Under the action of the lifting small air cylinder, the sliding blocks move in the sliding rails, which plays a guiding role on the moving frame.

[0030] As shown in Figure 6As shown, the mounting seat 501 in the embodiment also has a wind cooling mechanism corresponding to the electric heating strip 502, which is used for air cooling of the edge sealing after hot pressing to avoid unnecessary scalding caused by excessively high stable temperature. Specifically, the wind cooling mechanism includes a plurality of air outlet nozzles 503 arranged on the mounting seat 501 and facing the electric heating strip 502. The air outlet nozzles 503 are connected to a fan 504 arranged on the moving frame 302 through a pipeline. The fan sends air to the air outlet nozzles through the pipeline to air cool and cool the edge sealing after hot pressing of the electric heating strip 502, so as to avoid damage caused by excessively high local temperature. In addition, the electric heating strip can also be air cooled and cooled to avoid continuous high temperature of the electric heating strip 502 and prolong the service life of the electric heating strip 502. Specifically, the pipeline includes an internal passage opened in the mounting seat 501 and an external pipeline connected to the fan 504. The external pipeline is connected to the internal pipeline through a joint 505. When the mounting seat is replaced, the pipeline can be disconnected through the joint.

[0031] The working process of the aluminum-plastic packaging bag hot pressing and edge sealing workbench is as follows: the aluminum-plastic packaging bag is placed on the positioning seat 401 of the buffer seat, and then the aluminum-plastic packaging bag is three-edge positioned through the left positioning block 402, the right positioning block 403 and the top positioning block 404. Then the small motor of the pressing plate assembly 405 drives the pressing plate to rotate through the rotating rod until the protective pad on the pressing plate contacts the aluminum-plastic packaging bag. The pressing plate is pressed on the positioning seat to press and fix the aluminum-plastic packaging bag. Then the moving frame drives the hot pressing mechanism 5 to move downward, and the electric heating strip 502 of the hot pressing mechanism 5 performs hot pressing and edge sealing on the aluminum-plastic packaging bag. During the process of hot pressing and edge sealing of the buffer seat, the spring of the buffer seat is compressed, and the buffer seat and the aluminum-plastic packaging bag thereon are gradually pressed downward to buffer the impact force of the hot pressing mechanism on the aluminum-plastic packaging bag, so as to ensure lossless hot pressing of the aluminum-plastic packaging bag and improve the edge sealing quality. When the edge sealing is completed or during the hot pressing and edge sealing process, the wind cooling mechanism performs air cooling and cooling on the hot pressing position to avoid damage caused by excessively high local temperature. The hot pressing and edge sealing quality is improved, and the safety of the hot pressing and edge sealing is improved.

[0032] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A heat-sealing workbench for aluminum-plastic packaging bags, characterized in that: The device includes a platform (1), on which a buffer positioning device (2) and a hot pressing device (3) are provided in corresponding positions. The buffer positioning device (2) includes at least one buffer seat (201) fixed on the platform (1), and a positioning mechanism (4) for positioning aluminum-plastic packaging bags is provided on the buffer seat (201). The hot pressing device (3) includes a support frame (301) connected to the platform (1), and a movable frame (302) that can move up and down is provided on the support frame (301). At least one hot pressing mechanism (5) is provided on the movable frame (302). The hot pressing mechanism (5) and the positioning mechanism (4) are provided in corresponding positions. The hot pressing mechanism (5) performs hot pressing and sealing on the aluminum-plastic packaging bags on the positioning mechanism (4).

2. The aluminum-plastic packaging bag heat sealing workbench according to claim 1, characterized in that: The buffer seat (201) is connected to the platform (1) via a buffer component (202); the buffer component (202) includes a fixed sleeve (203) fixed on the platform (1) and a floating sleeve (204) fixed at the bottom of the buffer seat (201). The floating sleeve (204) is fitted inside the fixed sleeve (203), and a buffer spring (205) is connected between the floating sleeve (204) and the fixed sleeve (203).

3. The aluminum-plastic packaging bag heat sealing workbench according to claim 1 or 2, characterized in that: The positioning mechanism (4) includes a positioning seat (401) connected to the buffer seat (201). The positioning seat (401) is provided with a left positioning block (402), a right positioning block (403) and a top positioning block (404). A pressure plate assembly (405) is provided on the side of the buffer seat (201) opposite to the top positioning block (404).

4. The aluminum-plastic packaging bag heat sealing workbench according to claim 3, characterized in that: The pressure plate assembly (405) includes a rotating rod (406) rotatably mounted on a positioning seat (401), a pressure plate (407) fixed on the rotating rod (406), one end of the rotating rod (406) being connected to a small motor (408) mounted on the positioning seat (401), and a protective pad (409) on the side of the pressure plate (407) facing the positioning seat (401).

5. The aluminum-plastic packaging bag heat sealing workbench according to claim 4, characterized in that: The bottom of the left positioning block (402), the bottom of the right positioning block (403), and the bottom of the top positioning block (404) are all provided with locking pins (410). The positioning seat (401) is provided with a first locking groove (411) arranged in a row and a second locking groove (412) arranged in a column. The locking pins (410) at the bottom of the top positioning block (404) engage with the second locking groove (412), and the locking pins (410) at the bottom of the left positioning block (402) and the right positioning block (403) engage with the first locking groove (411).

6. The aluminum-plastic packaging bag heat sealing workbench according to claim 1, 2 or 5, characterized in that: The support frame (301) is a portal frame, and the movable frame (302) is connected to the support frame (301) by a lifting cylinder (303); the movable frame (302) is provided with sliders (304) on both sides, and the sliders (304) are slidably engaged with the slide rails (305) provided on the side wall of the support frame (301).

7. The aluminum-plastic packaging bag heat sealing workbench according to claim 6, characterized in that: The hot pressing mechanism (5) includes a mounting base (501) detachably mounted on a movable frame (302). The mounting base (501) is provided with an electric heating strip (502), which is U-shaped and protrudes from the bottom surface of the mounting base (501).

8. The aluminum-plastic packaging bag heat sealing workbench according to claim 7, characterized in that: The mounting base (501) is also provided with a wind-cooling mechanism corresponding to the electric heating strip (502).

9. The aluminum-plastic packaging bag heat sealing workbench according to claim 8, characterized in that: The air-cooling mechanism includes several air outlet nozzles (503) arranged on the mounting base (501) facing the electric heating bar (502), and the air outlet nozzles (503) are connected to the fan (504) arranged on the movable frame (302) through pipes.

10. The aluminum-plastic packaging bag heat sealing workbench according to claim 9, characterized in that: The pipeline includes an internal channel opened in the mounting base (501) and an external pipeline connected to the fan (504), the external pipeline being connected to the internal pipeline via a joint (505).

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