CN211033164U - Automatic sealing machine for antistatic bag - Google Patents

Abstract

The utility model discloses an automatic sealing machine for antistatic bags, which is suitable for sealing the antistatic bags sleeved in a packing box and loaded with solid hard disks, and comprises a lifting device, a positioning device driven by the lifting device to move linearly so as to be close to or far away from the antistatic bags, a forming device, a vacuumizing device and a heat sealing device, wherein the positioning device can support the bag mouth by the inner side of the antistatic bags, the forming device can push and push the supported bag mouth by the left outer side and the right outer side of the antistatic bags, so that the left side end and the right side end of the bag mouth are both bent into an M shape, the positioning device can also fix the bag mouth of the M shape by the front outer side and the back outer side of the antistatic bags, the vacuumizing device can stretch into the antistatic bags by the bag mouth of the M shape to vacuumize the antistatic bags, the heat sealing device can hot-press the bag mouth by the front outer side and the back outer side of the evacuated antistatic bags, to close the mouth of the bag. The device has the advantages of simple structure, high automation degree, high efficiency and good sealing effect.

Description

Anti-static bag automatic sealing machine

technical field

The utility model relates to the field of electronic product assembly, in particular to an anti-static bag automatic sealing machine for sealing anti-static bags used for packaging solid state hard disks.

Background technique

The packaging of electronic products such as solid-state drives, mechanical hard drives, and batteries is very important, especially for solid-state drives, because their prices are relatively high, and once damaged, all data may be lost and cannot be retrieved. Therefore, in order to avoid mechanical damage or moisture during transportation and loading and unloading, thus affecting the performance of the above-mentioned electronic products, it is usually necessary to seal the electronic products in an anti-static bag to achieve the effect of moisture-proof and anti-static, and then package them in an anti-static bag. In the box, it can be properly packaged. It involves the process of vacuuming and sealing the anti-static bag.

Therefore, in order to avoid the problems of low production efficiency caused by manual sealing of anti-static bags, damage to solid-state hard disks caused by misoperation and inability to effectively guarantee the sealing effect, there is an urgent need for an automatic flow operation, simple structure, high efficiency and The anti-static bag automatic sealing machine with good sealing effect can overcome the above problems.

Utility model content

The purpose of the utility model is to provide an anti-static bag automatic sealing machine with simple structure, high degree of automation, high efficiency and good sealing effect.

In order to achieve the above purpose, the utility model discloses an anti-static bag automatic sealing machine, which is suitable for sealing an anti-static bag which is set in a packing box and is loaded with a solid-state hard disk. The anti-static bag automatic sealing machine includes a lifting device. , Under the driving of the lifting device, the positioning device, forming device, vacuuming device and heat sealing device move linearly to approach or away from the anti-static bag. The bag mouth is supported, and the forming device can be pushed against the supported bag mouth by the left and right outer sides of the anti-static bag, so that the left and right ends of the bag mouth are both bent to form an M. The positioning device can also fix the M-shaped bag mouth by the front and rear outer sides of the anti-static bag, and the vacuuming device can extend into the anti-static bag through the M-shaped bag mouth. The inside of the bag is evacuated to the anti-static bag, and the heat-sealing device can heat-press the bag mouth from the front and rear outer sides of the evacuated anti-static bag to seal the bag mouth.

Preferably, the lifting device includes a lifting frame that can move up and down linearly, and the positioning device is installed on the front upper side and the rear upper side of the lifting frame, and can move up and down, left and right relative to the lifting frame. and move back and forth; the forming device is installed on the relative left and right sides of the lifting frame, and can move left and right relative to the lifting frame; the vacuuming device is installed at the relative center of the lifting frame; The heat sealing device is installed on the front lower side and the rear lower side of the lift frame, and can move back and forth relative to the lift frame.

Preferably, the positioning device includes a positioning mechanism and a clamping mechanism disposed below the positioning mechanism, the positioning mechanism can extend into the anti-static bag to tighten the bag mouth, and the clamping mechanism The mechanism can press the anti-static bag by the front outer side and the rear outer side of the anti-static bag, so that the bag mouth is clamped and fixed between the positioning mechanism and the clamping mechanism.

Preferably, the positioning mechanism includes two positioning units arranged along the front and rear directions of the anti-static bag, the two positioning units are symmetrically arranged around the vacuuming device, and the two positioning units can be synchronized. Move down into the anti-static bag, and can abut with the inner wall of the anti-static bag.

Preferably, the positioning unit includes two positioning members arranged along the left and right directions of the anti-static bag, the two positioning members are symmetrically arranged around the vacuuming device, and the two are movable against each other. Or move toward each other to abut or separate from the left inner wall and the right inner wall of the anti-static bag, and the positioning member is tubular.

Preferably, the clamping mechanism includes a clamping member, and the front outer side and the rear outer side of the bag mouth are each provided with a clamping member, and the two clamping members can move toward each other or move against each other to clamp the bag. Tighten or loosen the pocket between the clamp and the positioning mechanism.

Preferably, the two clamping members are symmetrically arranged with the vacuuming device as the center, and the clamping members are in the shape of strips.

Preferably, the forming device includes a forming part, and the left and right outer sides of the bag mouth are each provided with a forming part, and the two forming parts are symmetrically arranged with the vacuuming device as the center, and the The vacuuming devices are arranged in a straight line in the left and right directions of the bag mouth.

Preferably, the automatic antistatic bag sealing machine of the present invention further includes an auxiliary part, the auxiliary part includes a straight part and a bent part folded inwardly relative to the straight part, and the auxiliary part can be moved straight up and down to be inserted into the between the packing box and the anti-static bag, and during the moving process, the bending portion can squeeze the anti-static bag, so that the air in the anti-static bag is discharged.

Preferably, the hot-pressing device includes a hot-pressing piece, the left and right outer sides of the bag mouth are each provided with the hot-pressing piece, and the hot-pressing piece is located at the fold of the corresponding positioning device and the auxiliary piece. Between the curved parts, the two heat pressing pieces can move toward each other or back to push or loosen the pocket opening, and can be pushed to the matching pocket opening by heat pressing.

Compared with the prior art, the positioning device, the forming device, the vacuuming device and the heat sealing device of the anti-static bag automatic sealing machine of the present invention move linearly under the driving of the lifting device to approach or stay away from the anti-static bag, so that the positioning device The bag mouth can be supported by the inner side of the anti-static bag, and the left and right outer sides of the anti-static bag push against the bag mouth supported by the positioning device in combination with the forming device, so that the left and right sides of the bag mouth are in the positioning device and the forming device. With the cooperation of the device, it is bent into an M shape, and the size of the entire bag mouth is reduced. Combined with the positioning device, the M-shaped bag mouth can also be fixed by the front and rear outer sides of the anti-static bag, so that the anti-static bag is clamped and fixed. At the position where the bag mouth has been shrunk, it is convenient for the subsequent vacuuming device to vacuumize the anti-static bag, and it is also convenient for the heat sealing device to heat the electrostatic bag with a small bag mouth. The positioning device, the vacuuming device and the heat-sealing device of the antistatic bag automatic sealing machine of the utility model can all be set in the size area limited by the bag mouth, the whole machine is simple in structure and small in volume, and can realize the positioning, The automatic operation of forming, vacuuming and sealing effectively improves the sealing efficiency and the sealing effect is good.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of an angle of the automatic antistatic bag sealing machine of the present invention.

FIG. 2 is a schematic three-dimensional structure diagram of another angle of the automatic anti-static bag sealing machine of the present invention.

FIG. 3 is a schematic diagram of the positioning device of the present invention abutting against the inner wall of the bag mouth.

FIG. 4 is a schematic diagram of the matching of the positioning device and the forming device of the present invention.

FIG. 5 is an enlarged view of part A in FIG. 4 .

FIG. 6 is a schematic diagram of an auxiliary piece extruding an antistatic bag of the present invention.

Detailed ways

In order to describe in detail the technical content, structural features, achieved objects and effects of the present utility model, the following detailed description is given in conjunction with the embodiments and the accompanying drawings.

Referring to FIGS. 1 to 6 , the present invention discloses an anti-static bag automatic sealing machine 100 , which is suitable for sealing an anti-static bag 300 which is set in a packing box 200 and is loaded with a solid-state hard disk. Wherein, the anti-static bag 300 involved in the present invention has a certain hardness. When the anti-static bag 300 is fitted into the packing box 200, the anti-static bag 300 is stretched until its bag body is in contact with the inner wall of the packing box 200, And the bag body extends upwards substantially vertically to form a bag mouth 300a at a position beyond the box mouth of the packaging box 200, and the bag mouth 300a is upward and substantially rectangular. The antistatic bag automatic sealing machine 100 disclosed in the preferred embodiment of the present invention includes a lifting device 10, a positioning device 20 connected to the output end of the lifting device 10, a forming device 30, a vacuuming device 40 and a heat sealing device 50. Driven by 10 , the positioning device 20 , the forming device 30 , the vacuuming device 40 and the heat sealing device 50 can move linearly relative to the anti-static bag 300 to be close to or away from the anti-static bag 300 , so as to correspondingly realize the opening of the anti-static bag 300 support, bending, vacuuming and sealing operations. Of course, the automatic antistatic bag sealing machine 100 disclosed in the present invention also includes a control system (not shown in the figure) that is electrically connected to the lifting device 10, the positioning device 20, the forming device 30, the vacuuming device 40 and the heat sealing device 50. out), the control system controls the coordinated action between the devices. It should be noted that the control system is an existing control system, and its structure and control principle are well known in the art, so detailed description thereof is omitted here.

Specifically, the positioning device 20 can support the pocket opening 300a of the antistatic bag 300 by the inner side of the antistatic bag 300 , and the forming device 30 can push the pocket opening 300a supported by the positioning device 20 from the left and right outer sides of the antistatic bag 300 . , so that both the left end and the right end of the pocket 300a are bent into an M shape, thereby reducing the size of the pocket 300a. The positioning device 20 can also fix the M-shaped bag opening 300a by the front and rear outer sides of the anti-static bag 300, and the vacuuming device 30 can be inserted into the anti-static bag 300 through the M-shaped bag opening 300a to prevent static electricity. Bag 300 is evacuated. The heat sealing device 40 is located below the vacuuming device 30, and the bag opening 300a can be sealed by heat pressing the front and rear outer sides of the antistatic bag 300 after vacuuming.

Please refer to FIGS. 1 to 5 , the vacuuming device 30 is located at the relative center of the anti-static bag 300 , the positioning device 10 and the hot-pressing device 40 are arranged along the front-rear direction of the anti-static bag 300 , and the hot-pressing device 40 is located at the positioning device 10 Below, the forming device 30 is arranged along the left-right direction of the anti-static bag 300 . Since the bag opening 300a is folded and reduced during the sealing process, in addition to the lifting device 10 and the forming device 30, the positioning device 20, the vacuuming device 40 and the heat sealing device 50 can all be located in the rectangle defined by the bag opening 300a Therefore, the structure between each device is simple and compact, and the volume of the whole machine is effectively reduced.

Specifically, in this embodiment, the lifting device 10 includes a lifting frame 11 that can move up and down linearly, and the positioning device 20 is installed on the upper front side and the upper rear side of the lifting frame 11, and can move up and down relative to the lifting frame 11, The forming device 30 is installed on the left and right sides of the lifting frame 11, and can move left and right relative to the lifting frame 11; the vacuuming device 30 is installed at the relative center of the lifting frame 11; the heat sealing device 40 is installed on the front lower side and the rear lower side of the lift frame 11 , and can move back and forth relative to the lift frame 11 .

The lifting device 10 further includes a first lifting driver 12, the first lifting driver 12 is installed on the support frame 13, and the output end of the first lifting driver 12 is connected with the lifting frame 11 to drive the lifting frame 11 to move linearly up and down. Specifically, the first lift driver 12 has three stations. In the initial state, the first lift driver 12 drives the lift frame 11 to be at the highest first station; when the first lift driver 12 drives the lift frame 11 to move to the middle position In the second station, the bag mouth 300a can be positioned and formed at this station; while in vacuum, the first lift driver 12 drives the lift frame 11 to move from the second station to the lowest third station , in order to complete the subsequent heat sealing operation. Specifically, the first lift driver 12 is a servo motor.

1 to 5, the positioning device 20 includes a positioning mechanism 21 and a clamping mechanism 22 disposed below the positioning mechanism 21. The positioning mechanism 21 can extend into the anti-static bag 300 to tighten the bag opening 300a, and can The bag mouth 300a provides a support force from the inside to the outside, and the clamping mechanism 22 can press the anti-static bag 300 by the front and rear sides of the anti-static bag 300, so that the opposite lower end of the bag mouth 300a is clamped and fixed to the positioning mechanism 21 and the anti-static bag 300. between the clamping mechanisms 22 for subsequent vacuuming and heat sealing of the anti-static bag 300 .

Specifically, the positioning mechanism 21 includes two positioning units 211 arranged along the front-rear direction of the anti-static bag 300 . The two positioning units 211 are symmetrically arranged with the vacuuming device 40 as the center, and the two positioning units 211 can be moved down synchronously to the anti-static inside the bag 300 , and can abut against the inner wall of the corresponding anti-static bag 300 . In this embodiment, the distance between the two positioning units 211 is small, so that the size of the bag opening 300a can be effectively reduced, thereby effectively improving the sealing efficiency and making the structure of the whole machine more compact. The positioning unit 211 includes two positioning members 2111 arranged along the left and right directions of the anti-static bag 300 . The two positioning members 2111 are symmetrically arranged with the vacuuming device 40 as the center, and the two positioning members 2111 can move back or opposite to each other. to abut or separate from the left inner wall and the right inner wall of the anti-static bag 300 . Preferably, in order to save space, the positioning member 2111 can be arranged in a tubular shape. Then, when the four positioning members 2111 of the two sets of positioning units 211 are opened, they are in contact with the inner wall of the pocket 300a in the left and right directions, and are far smaller than the width of the pocket 300a in the front and rear directions, so that a small amount of space can be limited in the pocket 300a. When the pocket 300a is bent and formed, the four positioning members 2111 are used as supports, so that the entire pocket 300a shrinks.

More specifically, in order to realize the simultaneous downward movement of the two positioning units 211 into the anti-static bag 300, the positioning mechanism 21 further includes a second lifting driver 212, the second lifting driver 212 is installed on the lifting frame 11, and the two positioning units 211 The frame body 23 is connected to the output end of the second lift driver 212 . At the initial first station, the second lift driver 212 is in the extended state. When the first lift driver 12 drives the lift frame 11 to move to the second middle station, the second lift driver 212 retracts to drive the two positioning units 211 moves down synchronously, so that it can be inserted into the anti-static bag 300 . Specifically, the second lift driver 212 is an air cylinder.

Please refer to FIG. 4 and FIG. 5 , in order to realize the opposite movement and the opposite movement between the two positioning members 2111 , the positioning unit 211 further includes a tensioning driver 2112 , two adapter members 2113 and two linear guide rails 2114 . The tensioning driver 2112 is installed on the opposite upper end of the frame body 23 , the opposite lower end of the frame body 23 is provided with linear guide rails 2114 arranged along the left and right direction of the electrostatic bag 300 , and the positioning member 2111 is slidably mounted on the linear guide rail 2114 . The adapters 2113 are arranged obliquely with respect to the linear guide rails 2114 , specifically, the upper and lower bottoms are arranged, and the adapters 2113 are also arranged in a one-to-one correspondence with the positioning elements 2111 . The positioning member 2111 is pivotally connected, the other ends of the two adapter members 2113 are pivotally connected to the frame body 23 through a pivot shaft 2115, and the output end of the tension driver 2112 is fixedly connected or movable with the pivot ends of the two adapter members 2113 ground contact. Then, when the tensioning driver 2112 is extended, the two adapters 2113 can be directly driven to rotate around the pivot shaft 2115, or the output end of the tensioning driver 2112 can be moved to abut against the pivoting ends of the two adapters 2113 to The two adapters 2113 are driven to rotate around the pivot shaft 2115, and the rotation directions of the two adapters 2113 are opposite. , so that the two positioning members 2111 move opposite to each other, so as to be in contact with the left and right side walls of the anti-static bag 300, so that the purpose of supporting and tensioning during molding can be achieved in a limited space. The structure is simple and the layout is reasonable. Specifically, the tensioning driver 2112 is an air cylinder.

Please refer to FIG. 1 to FIG. 5 , the forming device 30 includes a forming part 31 , and a forming part 31 is provided on the left and right outer sides of the bag mouth 300 a respectively. The two forming parts 31 are symmetrically arranged with the vacuuming device 40 as the center, and the two forming parts 31 and the vacuuming device 40 are arranged in a straight line along the left-right direction of the bag mouth 300a. The forming device 30 further includes a forming driver 32 that drives the forming part 31 to move linearly left and right. The forming driver 32 is arranged in a one-to-one correspondence with the forming part 31. The two forming drivers 32 are directly connected to the lifting frame 11 through the carrier plate 33, or are The body 23 is connected to the lifting frame 11 . The molding member 31 is located between the two positioning units 211 , and specifically, is located at the center of the two positioning members 2111 on the same side. Since the distance between the two positioning units 211 is small, under the driving of the two forming drivers 32, the two forming parts 31 move toward each other and push the anti-static bag 300 from the left and right sides, the two forming parts 31 will position the two corresponding sides The anti-static bag 300 between the parts 2111 is pushed inward, and the original four corners of the bag mouth 300a are moved and contracted to the positions of the four positioning members 2111, so that the left and right ends of the bag mouth 300a are both bent to form an M shape, thereby reducing the size of the entire pocket 300a. Preferably, the forming part 31 is in the shape of a rod, and the lower end of the forming part 31 is located below the positioning part 2111 . The forming driver 32 is in particular an air cylinder.

Specifically, the clamping mechanism 22 includes a clamping member 221, and a clamping member 221 is respectively provided at the front outer side and the rear outer side of the pocket 300a, and the two clamping members 221 can move toward each other to clamp or loosen. The pocket 300 a between the clamping piece 221 and the positioning piece 2111 of the positioning mechanism 21 . The two clamping members 221 are symmetrically arranged with the vacuuming device 40 as the center, the clamping members 221 are in the shape of strips, and each clamping member 221 is arranged along the left and right directions of the antistatic bag 300 . The clamping mechanism 22 further includes a clamping driver 222 for driving the clamping member 221 to move forward and backward. The clamping driver 222 is connected to the lower end of the lifting frame 11 . The clamping drive 222 is in particular an air cylinder.

Please refer to FIG. 2 and FIG. 6 , the vacuuming device 40 includes a vacuum suction nozzle 41 fixed on the lifting frame 11 and a telescopic air pipe 42 communicated with the vacuum suction nozzle 41. The telescopic air pipe 42 is connected to an external vacuuming device (Fig. not shown) connected. In order to facilitate vacuuming, the automatic anti-static bag sealing machine 100 of the present invention further includes an auxiliary part 60 . The auxiliary part 60 is connected to the lifting frame 11 . 62. The auxiliary member 60 can move up and down linearly to be inserted between the packing box 200 and the anti-static bag 300, and during the movement, the bending portion 62 can squeeze the anti-static bag 300, so that the air in the anti-static bag 300 can be quickly discharge, so as to speed up the vacuuming speed and improve the sealing efficiency.

Specifically, in order to squeeze the anti-static bag 300 , the auxiliary member 60 is also connected to the output end of the third lifting driver 64 , and the third lifting driver 64 is installed on the lifting frame 11 . In order to optimize the structure, the clamping driver 222 is installed on the straight portion 61 of the auxiliary member 60 , and the clamping driver 222 is connected to the lifting frame 11 through the auxiliary member 60 . The third lift driver 64 is specifically an air cylinder.

Specifically, the hot pressing device 50 includes a hot pressing piece 51 , and a hot pressing piece 51 is provided on the left and right outer sides of the bag mouth 300 a respectively. , the two heat pressing members 51 can move toward each other or back to push or loosen the front and rear side walls of the pocket 300a, and can be pushed to the matching pocket 300a by heat pressing, so as to realize heat seal up. The hot pressing device 50 also includes a hot pressing driver 52 connected with the hot pressing member 51 to drive the hot pressing member 51 to move back and forth. In order to simplify the structure, the hot pressing driver 52 can also be installed on the linear portion 61 and located at the clamping driver 222 below. The thermocompression driver 52 is specifically an air cylinder.

1 to 6, the working principle of the anti-static bag automatic sealing machine 100 of the present invention will be described:

First of all, the equipment is started, when the packing box with the solid-state hard disk is pulled directly under the lifting frame 11, under the instruction of the control system, the first lifting driver 12 acts to drive the lifting frame 11 to move down from the first station to the lower position of the lifting frame 11. second station;

Next, the second lift driver 212 retracts to drive the two positioning units 211 to move down synchronously to be inserted into the anti-static bag 300 through the bag mouth 300a, after which the two tightening drivers 2112 extend synchronously, so that the two positioning members 2111 on each side Move opposite to each other and open, so as to abut with the left and right inner walls of the bag mouth 300a;

Then, the two forming drivers 32 retract synchronously, driving the two forming parts 31 to push the bag mouth 300a from the left and right sides of the anti-static bag 300. Under the cooperation of the supporting force of the four positioning members 2111, the left and right sides of the bag mouth 300a The ends are bent to form an M shape;

Afterwards, the two third lifting drivers 64 extend simultaneously, driving the two auxiliary members 60 to move down, thereby driving the two clamping members 221 and the two hot pressing members 51 to move down synchronously. After moving in place, the two clamping drivers 222 extend synchronously. The two clamping members 221 are driven to press the anti-static bag 300 from the front and rear sides, so that the anti-static bag 300 is clamped and fixed between the clamping member 221 and the positioning member 2111;

Then, the vacuuming device is turned on, the vacuuming device 40 starts to vacuumize, and at the same time, the first lifting driver 12 acts to drive the lifting frame 11 to move down from the second station to the third station. The parts 60 squeeze the anti-static bag 300 from both sides, which can speed up the vacuuming speed;

After the vacuuming is completed, the two hot-pressing drivers 52 are extended at the same time, driving the two hot-pressing parts 51 to clamp the evacuated anti-static bag 300 from both sides, and then start the heating, so as to realize the opening of the anti-static bag 300. Heat sealed.

Finally, each device is reset, and the packaging box 200 that has completed the sealing operation of the antistatic bag 300 is drawn to the next equipment, and the above operation is repeated continuously to realize the automatic flow operation of sealing the antistatic bag 300 .

Compared with the prior art, the positioning device 20 , the forming device 30 , the vacuuming device 40 and the heat sealing device 50 of the anti-static bag automatic sealing machine 100 of the present invention move linearly under the driving of the lifting device 10 to be close to or away from the anti-static bag. With the electrostatic bag 300, the positioning device 20 can be supported by the inner side of the anti-static bag 300 to the bag mouth 300a, and the combined molding device 30 pushes the supported bag mouth 300a by the left and right outer sides of the anti-static bag 300, so that the bag The left and right ends of the mouth 300a are bent into an M shape under the cooperation of the positioning device 20 and the forming device 30, and the size of the entire bag mouth 300a is reduced. The M-shaped bag mouth 300a is fixed, so that the anti-static bag 300 is clamped and fixed at the position where the bag mouth 300a has been shrunk, so as to facilitate the subsequent vacuuming device 40 to vacuumize the anti-static bag 300, and also facilitate the heat sealing device 50 pairs of electrostatic bags 300 with small openings 300a are heat-sealed. The positioning device 20 , the vacuuming device 40 and the heat sealing device 50 of the anti-static bag automatic sealing machine 100 of the present invention can all be arranged in the size area limited by the bag mouth 300a, the whole machine has a simple structure and a small volume, and can realize anti-static The automatic operation of positioning, forming, vacuuming and sealing of the electrostatic bag effectively improves the sealing efficiency and the sealing effect is good.

The above disclosures are only the preferred embodiments of the present invention, of course, the scope of the rights of the present invention cannot be limited by this. Therefore, the equivalent changes made according to the scope of the patent application of the present invention are still within the scope of the present invention. .

Claims (10)

1. An automatic sealing machine for an anti-static bag, which is suitable for sealing the anti-static bag sleeved in a packing box and loaded with a solid hard disk, wherein the bag opening of the anti-static bag is upward and rectangular, and is characterized by comprising a lifting device, a positioning device, a forming device, a vacuumizing device and a heat sealing device, wherein the positioning device, the forming device, the vacuumizing device and the heat sealing device are driven by the lifting device to move linearly to be close to or far away from the anti-static bag, the positioning device can support the bag opening from the inner side of the anti-static bag, the forming device can push against the supported bag opening from the left outer side and the right outer side of the anti-static bag, so that the left side end and the right side end of the bag opening are both bent to form an M shape, the positioning device can also fix the M-shaped bag opening from the front outer side and the back outer side of the anti-static bag, and the vacuumizing device can stretch into the anti-static bag from the M-static bag opening to vacuumize the anti-static bag, the heat sealing device can be used for hot-pressing the bag opening from the front outer side and the back outer side of the vacuumized antistatic bag to seal the bag opening.

2. The automatic sealing machine of claim 1, wherein the lifting means comprises a lifting frame capable of moving linearly up and down, and the positioning means is installed at the front upper side and the rear upper side of the lifting frame and is capable of moving up and down, left and right, and front and rear with respect to the lifting frame; the forming devices are arranged on the left side and the right side of the lifting frame and can move left and right relative to the lifting frame; the vacuum extractor is arranged at the relative center of the lifting frame; the heat sealing device is arranged on the front lower side and the rear lower side of the lifting frame and can move back and forth relative to the lifting frame.

3. The automatic sealing machine for antistatic bags according to claim 1, wherein the positioning device comprises a positioning mechanism and a clamping mechanism disposed below the positioning mechanism, the positioning mechanism can extend into the antistatic bag to tension the bag opening, and the clamping mechanism can press the antistatic bag from the front outer side and the rear outer side of the antistatic bag, so that the bag opening is clamped and fixed between the positioning mechanism and the clamping mechanism.

4. The automatic sealing machine for antistatic bags according to claim 3 wherein the positioning mechanism comprises two positioning units arranged along the front and back direction of the antistatic bag, the two positioning units are symmetrically arranged with the vacuum extractor as the center, and the two positioning units can synchronously move down into the antistatic bag and abut against the inner wall of the antistatic bag.

5. The automatic sealing machine for the antistatic bag according to claim 4, wherein the positioning unit comprises two positioning members arranged along the left and right direction of the antistatic bag, the two positioning members are symmetrically arranged with the vacuum pumping device as the center, and can move back to back or move towards each other to abut against or separate from the left inner wall and the right inner wall of the antistatic bag, and the positioning members are tubular.

6. The automatic antistatic bag sealer as claimed in claim 3, wherein the clamping mechanism includes a clamping member, one of the clamping members is provided on each of the front and rear outer sides of the bag opening, and the clamping members are movable toward and away from each other to clamp or unclamp the bag opening between the clamping members and the positioning mechanism.

7. The automatic antistatic bag sealer as claimed in claim 6, wherein the two clamping members are symmetrically arranged with the vacuum pumping means as a center, and the clamping members are shaped as a strip.

8. The automatic sealing machine for antistatic bags according to claim 1, wherein the forming means comprises a forming member, one forming member is provided on each of the left and right outer sides of the bag opening, and the two forming members are symmetrically arranged with respect to the vacuum-pumping means and are arranged in a straight line with the vacuum-pumping means in the left-right direction of the bag opening.

9. The automatic sealing machine for the antistatic bags according to claim 1, further comprising an auxiliary member, wherein the auxiliary member comprises a straight portion and a bent portion inwardly bent relative to the straight portion, the auxiliary member can be linearly moved up and down to be inserted between the packing box and the antistatic bags, and during the movement, the bent portion can press the antistatic bags to exhaust the air in the antistatic bags.

10. The automatic sealing machine for antistatic bags according to claim 9, wherein the heat pressing device comprises heat pressing parts, one heat pressing part is disposed on each of the left and right outer sides of the bag opening, the heat pressing parts are disposed between the corresponding positioning device and the bending portion of the auxiliary member, the two heat pressing parts can move towards or away from each other to push or release the bag opening, and the heat pressing parts can be pressed against the attached bag opening.

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