CN110562523A - Automatic sealing machine for antistatic bag - Google Patents

Abstract

The invention discloses an automatic sealing machine for an antistatic bag, which is suitable for sealing the antistatic bag which is sleeved in a packing box and loaded with a solid hard disk, which comprises a lifting device, a positioning device driven by the lifting device to move linearly to be close to or far away from the antistatic bag, a forming device, a vacuum-pumping device and a heat-sealing device, wherein the positioning device can support the bag mouth by the inner side of the antistatic bag, the forming device can push the supported bag mouth by the left outer side and the right outer side of the antistatic bag, 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 bag opening of the M shape through the front outer side and the back outer side of the anti-static bag, the vacuumizing device can extend into the anti-static bag through the bag opening of the M shape to vacuumize the anti-static bag, and the heat sealing device can hot press the bag opening through the front outer side and the back outer side of the vacuumized anti-static bag to seal the bag opening. 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 invention relates to the field of electronic product assembly, in particular to an antistatic bag automatic sealing machine for sealing an antistatic bag used for solid state hard drive packaging.

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 is likely to be lost and cannot be retrieved. Therefore, in order to avoid mechanical damage or damp during transportation and loading and unloading, thereby 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 moisture-proof and anti-static effects, and then package them in Only in the box can it be properly packaged. It involves the process of vacuumizing and sealing the antistatic bag.

Therefore, in order to avoid the problems of low production efficiency caused by manual sealing of the anti-static bag, damage to the solid-state hard drive due to misoperation, and the sealing effect cannot be effectively guaranteed, there is an urgent need for an automatic assembly line operation, simple structure, high efficiency and high efficiency. An anti-static bag automatic sealing machine with good sealing effect can overcome the above problems.

Contents of the invention

The object of the present invention is to provide an antistatic bag automatic sealing machine with simple structure, high degree of automation, high efficiency and good sealing effect.

In order to achieve the above object, the present invention discloses an antistatic bag automatic sealing machine, which is suitable for sealing an antistatic bag that is set in a packing box and loaded with a solid state hard drive. The antistatic bag automatic sealing machine includes a lifting device, Driven by the lifting device, it moves linearly to approach or stay away from the positioning device, forming device, vacuum device and heat sealing device of the anti-static bag, and the positioning device can place the anti-static bag on the inside The mouth of the bag is supported, and the forming device can be pushed against the supported mouth of the bag by the left and right outer sides of the anti-static bag, so that both the left end and the right end of the bag mouth are bent into an M shape , the positioning device can also fix the M-shaped pocket opening by the front and rear sides of the anti-static bag, and the vacuum pumping device can extend into the anti-static bag from the M-shaped pocket In order to vacuumize the anti-static bag, the heat-sealing device can heat-press the pocket opening from the front and rear sides of the vacuum-evacuated anti-static bag to seal the pocket opening.

Preferably, the lifting device includes a lifting frame that can move up and down in a straight line, and the positioning device is installed on the opposite front upper side and 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 molding 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 vacuum pumping device is installed at the relative center of the lifting frame; The heat-sealing device is arranged on the opposite front lower side and the rear lower side of the lifting frame, and can move forward and backward relative to the lifting frame.

Preferably, the positioning device includes a positioning mechanism and a clamping mechanism arranged below the positioning mechanism, the positioning mechanism can extend into the anti-static bag to tension the mouth of the bag, and the clamping The mechanism can press the anti-static bag by the front and rear sides 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 antistatic bag, the two positioning units are symmetrically arranged around the vacuum pumping device, and the two positioning units can be synchronized Move down into the antistatic bag and be in contact with the inner wall of the antistatic bag.

Preferably, the positioning unit includes two positioning pieces arranged along the left and right direction of the antistatic bag, the two positioning pieces are symmetrically arranged around the vacuum pumping device, and the two positioning pieces can move away from each other Or move toward each other to abut against or separate from the left inner wall and the right inner wall of the antistatic bag, and the positioning member is in the shape of a tube.

Preferably, the clamping mechanism includes clamping parts, one clamping part is provided at the front outer side and the rear outer side of the pocket opening, and the two clamping parts can move toward each other or move away from each other to clamp Tightening or loosening the pocket between the clamping member and the positioning mechanism.

Preferably, the two clamping parts are symmetrically arranged around the vacuum device, and the clamping parts are strip-shaped.

Preferably, the forming device includes a forming part, and one forming part is provided on the left and right outer sides of the mouth of the bag, and the two forming parts are arranged symmetrically with the vacuum device as the center, and are aligned with the The vacuum device is arranged in a straight line in the left and right direction of the bag mouth.

Preferably, the antistatic bag automatic sealing machine of the present invention further includes an auxiliary part, the auxiliary part includes a straight line part and a bending part bent inwardly relative to the straight line part, and the auxiliary part can move linearly up and down to be inserted into the Between the packing box and the antistatic bag, and during the moving process, the bending part can squeeze the antistatic bag, so that the air in the antistatic bag can be discharged.

Preferably, the heat-pressing device includes a heat-pressing piece, one heat-pressing piece is provided on the left and right outer sides of the pocket opening, and the heat-pressing piece is located at the fold between the corresponding positioning device and the auxiliary piece. Between the bent parts, the two heat-pressing parts can move toward or away from each other to resist or loosen the pocket mouth, and can be pushed to the matched pocket mouth by heat-pressing.

Compared with the prior art, the positioning device, forming device, vacuum device and heat sealing device of the antistatic bag automatic sealing machine of the present invention move linearly under the drive of the lifting device to approach or stay away from the antistatic bag, so that the positioning device can be controlled by The inner side of the anti-static bag supports its pocket mouth, combined with the forming device, the left and right outer sides of the anti-static bag push against the pocket mouth supported by the positioning device, so that the left and right sides of the pocket mouth are positioned between the positioning device and the forming device It is bent into an M shape under the cooperation of the anti-static bag, and the size of the entire pocket is reduced. Combined with the positioning device, the M-shaped pocket can be fixed by the front and rear sides of the anti-static bag, so that the anti-static bag is clamped and fixed on the The position where the bag opening has been reduced facilitates the subsequent vacuuming device to vacuumize the anti-static bag, and also facilitates the heat-sealing operation of the heat-sealing device on the electrostatic bag with a small bag opening. The positioning device, vacuuming device and heat sealing device of the automatic anti-static bag sealing machine of the present invention can all be set in the size area limited by the bag mouth, the whole machine has a simple structure and small volume, and can realize the positioning and forming of the anti-static bag , Vacuuming and sealing automatic operation, which 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 three-dimensional structural schematic diagram of another angle of the automatic antistatic 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 pocket.

Fig. 4 is a schematic diagram of the cooperation between 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 the antistatic bag squeezed by the auxiliary part of the present invention.

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to FIG. 1 to FIG. 6 , the present invention discloses an anti-static bag automatic sealing machine 100, which is suitable for sealing an anti-static bag 300 set in a packing box 200 and loaded with a solid-state hard disk. Wherein, the antistatic bag 300 involved in the present invention has a certain hardness. When the antistatic bag 300 is set in the packing box 200, the antistatic bag 300 is stretched until the bag body fits the inner wall of the packing box 200, and The bag extends upwards substantially vertically to form a bag opening 300a beyond the opening of the packaging box 200 , and the bag opening 300a is upward and roughly rectangular. The antistatic bag automatic sealing machine 100 disclosed in the preferred embodiment of the present invention includes a lifting device 10 and 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, in the lifting device 10 Driven by the drive, the positioning device 20, the forming device 30, the vacuum device 40 and the heat sealing device 50 can move linearly relative to the anti-static bag 300 to approach or stay away from the anti-static bag 300, thereby realizing the corresponding control of the mouth of the anti-static bag 300 Supporting, bending forming, vacuuming and sealing operations. Of course, the antistatic bag automatic sealing machine 100 disclosed in the present invention also includes a control system (not shown in the figure) electrically connected with the lifting device 10, the positioning device 20, the forming device 30, the vacuum device 40 and the heat sealing device 50 ), and the coordinated actions among the devices are controlled by the control system. 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 it will not be described in detail here.

Specifically, the positioning device 20 can support the pocket opening 300a of the antistatic bag 300 from 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 opening 300a are bent into an M shape, thereby reducing the size of the pocket opening 300a. The positioning device 20 can also fix the M-shaped pocket 300a by the front and rear sides of the antistatic bag 300, and then the vacuum device 30 can be stretched into the antistatic bag 300 by the M-shaped pocket 300a, so as to protect the antistatic The bag 300 is evacuated. The heat-sealing device 40 is located below the vacuum device 30 , and can seal the bag opening 300 a by heat-pressing the front and rear sides of the anti-static bag 300 after vacuuming.

Please refer to Fig. 1 to Fig. 5, the vacuum device 30 is located at the relative center of the antistatic bag 300, the positioning device 10 and the heat pressing device 40 are arranged along the front and rear direction of the antistatic bag 300, and the heat pressing device 40 is located in the positioning device 10 Below, the molding device 30 is arranged along the left and right direction of the antistatic bag 300 . Since the bag opening 300a is bent and shrunk during the sealing process, except for 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 rectangular shape defined by the bag opening 300a. In the area, 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 in a straight line. Move left and right and move forward and backward; the forming device 30 is installed on the relative left and right sides of the lifting frame 11, and can move left and right relative to the lifting frame 11; the vacuum device 30 is installed at the relative center of the lifting frame 11; the heat sealing device 40 is arranged on the opposite front lower side and rear lower side of the lifting frame 11, and can move forward and backward relative to the lifting frame 11.

The lifting device 10 also includes a first lifting driver 12, which 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 up and down in a straight line. Specifically, the first lifting driver 12 has three stations. In the initial state, the first lifting driver 12 drives the first station where the lifting frame 11 is at the highest position; when the first lifting driver 12 drives the lifting frame 11 to move to the middle position During the second station, the positioning and forming of the bag mouth 300a can be realized at this station; and when vacuuming, the first lifting driver 12 drives the lifting frame 11 to move from the second station to the lowest third station , in order to complete the follow-up heat sealing operation. Specifically, the first lifting driver 12 is a servo motor.

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

Specifically, the positioning mechanism 21 includes two positioning units 211 arranged along the front and back direction of the antistatic bag 300, the two positioning units 211 are symmetrically arranged around the vacuum device 40, and the two positioning units 211 can move down synchronously to the antistatic position. inside the bag 300 , and can abut against the inner wall of the corresponding antistatic 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. Wherein, the positioning unit 211 includes two positioning pieces 2111 arranged along the left and right direction of the antistatic bag 300, the two positioning pieces 2111 are arranged symmetrically with the vacuum device 40 as the center, and the two positioning pieces 2111 can move away from each other or move towards each other To abut against or separate from the left inner wall and the right inner wall of the antistatic bag 300 . Preferably, in order to save space, the positioning member 2111 may be arranged in a tubular shape. Then when the four positioning pieces 2111 in the two groups of positioning units 211 are opened, they abut against the inner wall of the pocket opening 300a in the left-right direction, and are far smaller than the width of the pocket opening 300a in the front-rear direction, so that a small pocket can be defined in the pocket opening 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 that the two positioning units 211 move down synchronously to be inserted into the antistatic bag 300, the positioning mechanism 21 also includes a second lifting driver 212, and the second lifting driver 212 is installed on the lifting frame 11. The two positioning units 211 It is connected to the output end of the second lifting driver 212 through the frame body 23 . At the initial first station, the second lifting driver 212 is in an extended state. When the first lifting driver 12 drives the lifting frame 11 to move to the middle second station, the second lifting driver 212 retracts, driving the two positioning units 211 moves down synchronously, so that it can be inserted into the antistatic bag 300 . Specifically, the second lifting 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 parts 2111 , the positioning unit 211 also includes a tension driver 2112 , two adapter parts 2113 and two linear guide rails 2114 . The tension driver 2112 is mounted on the opposite upper end of the frame body 23 , and the opposite lower end of the frame body 23 is provided with a linear guide rail 2114 arranged along the left and right direction of the electrostatic bag 300 , and the positioning member 2111 is slid on the linear guide rail 2114 . The adapter 2113 is arranged obliquely relative to the linear guide rail 2114, specifically the arrangement of the upper height and the lower bottom, and the adapter 2113 is also set in one-to-one correspondence with the positioning member 2111, and one end of the two adapters 2113 is respectively connected to the corresponding The positioning part 2111 is pivotally connected, the other ends of the two transfer parts 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 to the pivot ends of the two transfer parts 2113 to touch. Then, when the tension driver 2112 is stretched out, the two adapters 2113 can be directly driven to rotate around the pivot shaft 2115, or the output end of the tension driver 2112 can be moved to abut against the pivot ends of the two adapters 2113 so as to Drive the two adapters 2113 to rotate around the pivot shaft 2115, and the rotation directions of the two adapters 2113 are opposite, and the rotating two adapters 2113 can drive the pivoted positioning member 2111 to slide on the corresponding linear guide rail 2114 , so that the two positioning members 2111 move away from each other, thereby moving to abut against the left side wall and the right side wall of the antistatic bag 300, so that the purpose of supporting and tensioning during molding can be realized in a limited space. The positioning mechanism 21 The structure is simple and the layout is reasonable. Specifically, the tension driver 2112 is an air cylinder.

Please refer to Fig. 1 to Fig. 5, forming device 30 comprises forming part 31, and the left and right two outsides of bag opening 300a are respectively provided with a forming part 31, and two forming parts 31 are arranged symmetrically with vacuum device 40 as the center, and two forming parts 31 and the vacuum device 40 are arranged in a straight line along the left and right direction of the bag mouth 300a. The molding device 30 also includes a molding driver 32 that drives the molding 31 to move linearly left and right. The molding driver 32 and the molding 31 are arranged in a one-to-one correspondence. The two molding drivers 32 are directly connected to the lifting frame 11 through the carrier plate 33, or through The body 23 is connected to the lifting frame 11 . The forming part 31 is located between the two positioning units 211 , specifically at the center of the two positioning parts 2111 on the same side. Due to the small distance between the two positioning units 211, under the drive of the two forming drivers 32, the two forming parts 31 move towards each other and push the antistatic bag 300 from the left and right sides, the two forming parts 31 will position the two positioning parts on the corresponding sides. The antistatic bag 300 between the parts 2111 is pushed inward, and the original four corners of the bag mouth 300a move and shrink to the positions of the four positioning parts 2111, so that the left end and the right side end 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 rod-shaped, and the lower end of the forming part 31 is located below the positioning part 2111 . The forming drive 32 is specifically 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 opening 300a. The pocket opening 300 a between the clamping member 221 and the positioning member 2111 of the positioning mechanism 21 . Wherein, the two clamping parts 221 are arranged symmetrically around the vacuum device 40 , the clamping parts 221 are in the shape of slats, and each clamping part 221 is arranged along the left and right direction of the antistatic bag 300 . The clamping mechanism 22 also includes a clamping driver 222 for driving the clamping member 221 to move back and forth, and the clamping driver 222 is connected to the lower end of the lifting frame 11 . The clamping driver 222 is specifically an air cylinder.

Please combine Fig. 2 and Fig. 6, vacuum device 40 comprises the vacuum suction nozzle 41 that is fixed on the elevating frame 11 and the telescoping air pipe 42 that communicates with vacuum suction nozzle 41, telescopic air pipe 42 and external vacuuming equipment (in the figure) not shown) are connected. In order to facilitate vacuuming, the automatic anti-static bag sealing machine 100 of the present invention also includes an auxiliary part 60, the auxiliary part 60 is connected to the lifting frame 11, and the auxiliary part 60 includes a straight part 61 and a bending part 62 that is inwardly bent relative to the straight part 61 , the auxiliary part 60 can be moved up and down in a straight line and inserted between the packing box 200 and the antistatic bag 300, and during the movement, the bending part 62 can squeeze the antistatic bag 300, so that the air in the antistatic bag 300 can be quickly discharged , so as to speed up the speed of vacuuming and improve the sealing efficiency.

Specifically, in order to realize the extrusion of the antistatic bag 300 , the auxiliary part 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 part 60 , and then the clamping driver 222 is connected to the lifting frame 11 through the auxiliary part 60 . The third lift driver 64 is specifically an air cylinder.

Specifically, the heat-pressing device 50 includes a heat-pressing member 51, and a heat-pressing member 51 is respectively provided on the left and right sides of the bag mouth 300a, and the heat-pressing member 51 is located between the positioning device 20 on the corresponding side and the bending portion 62 of the auxiliary member 60 The two heat pressing parts 51 can move toward each other or move away from each other to push or loosen the front side wall and the rear side wall of the bag opening 300a, and can be pushed to the matching bag opening 300a by heat pressing, so as to realize heat seal up. The hot pressing device 50 also includes a hot pressing driver 52 connected to the hot pressing member 51 to drive the hot pressing member 51 to move back and forth. below. The thermocompression driver 52 is specifically an air cylinder.

The working principle of the antistatic bag automatic sealing machine 100 of the present invention will be described below in conjunction with FIGS. 1 to 6:

Firstly, the equipment is started, and when the packing box with the solid-state hard disk is drawn 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 second station;

Then, the second lifting driver 212 retracts, driving the two positioning units 211 to move down synchronously to be inserted into the antistatic bag 300 by the pocket opening 300a, after that, the two tensioning drivers 2112 are extended synchronously, so that the two positioning members 2111 on each side Move away from each other and open, so as to abut against 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 against the pocket opening 300a from the left and right sides of the antistatic bag 300, and under the cooperation of the supporting force of the four positioning members 2111, the left and right sides of the pocket opening 300a The end is bent into an M shape;

Afterwards, the two third lifting drivers 64 are stretched out at the same time, driving the two auxiliary parts 60 to move down, thereby driving the two clamping parts 221 and the two hot pressing parts 51 to move down synchronously. Drive the two clamping parts 221 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 parts 221 and the positioning part 2111;

Subsequently, the vacuuming equipment is opened, 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. Part 60 squeezes the antistatic bag 300 from both sides, which can accelerate the speed of vacuuming;

After the vacuuming is completed, the two heat-pressing drivers 52 extend out at the same time, driving the two heat-pressing parts 51 to clamp the anti-static bag 300 after vacuuming from both sides, and then start heating, thereby realizing the pocket opening 300a of the anti-static bag 300 heat seal.

Finally, each device is reset, and the packaging box 200 that has completed the sealing operation of the anti-static bag 300 is pulled to the next device. The above-mentioned operation is repeated continuously, and the automatic flow operation of sealing the anti-static bag 300 can be realized.

Compared with the prior art, the positioning device 20, the forming device 30, the vacuum device 40 and the heat sealing device 50 of the antistatic bag automatic sealing machine 100 of the present invention move linearly under the drive of the lifting device 10 to approach or stay away from the antistatic bag. Bag 300, so that the positioning device 20 can support the pocket opening 300a from the inside of the antistatic bag 300, combined with the forming device 30, the left and right outer sides of the antistatic bag 300 push against the supported pocket opening 300a, so that the pocket opening The left and right side ends of 300a are bent into an M shape under the cooperation of positioning device 20 and forming device 30, and the size of the entire bag mouth 300a is reduced. Combined with positioning device 20, the front and rear sides of the antistatic bag 300 can also be aligned. The M-shaped pocket opening 300a is fixed, so that the antistatic bag 300 is clamped and fixed at the position where the pocket opening 300a has shrunk, so that the subsequent vacuuming device 40 is convenient for vacuuming the antistatic bag 300, and the heat sealing device 50 is also convenient. The heat-sealing operation of the electrostatic bag 300 with a smaller pocket opening 300a. The positioning device 20, the vacuuming device 40 and the heat sealing device 50 of the antistatic bag automatic sealing machine 100 of the present invention can all be set in the size area limited by the bag opening 300a. The automatic operation of bag positioning, forming, vacuuming and sealing effectively improves the sealing efficiency and the sealing effect is good.

What is disclosed above is only a preferred embodiment of the present invention, and of course it cannot limit the scope of rights of the present invention. Therefore, equivalent changes made according to the patent scope of the present invention still fall within the scope of the present invention.

Claims (10)

1. An antistatic bag automatic sealing machine is suitable for sealing an antistatic bag that is set in a packing box and is loaded with a solid-state hard disk. The mouth of the antistatic bag is upward and rectangular, and it is characterized in that the The anti-static bag automatic sealing machine includes a lifting device, a positioning device that moves linearly under the drive of the lifting device to approach or stay away from the anti-static bag, a forming device, a vacuum device and a heat-sealing device. The positioning device can be controlled by the The inner side of the anti-static bag supports the pocket opening, and the forming device can push against the supported pocket opening by the left and right outer sides of the anti-static bag, so that the left end of the pocket opening and the right end are bent into an M shape, and the positioning device can also fix the M-shaped pocket mouth by the front and rear sides of the antistatic bag, and the vacuum pumping device can be fixed by the M-shaped pocket. The mouth of the bag extends into the antistatic bag to vacuumize the antistatic bag, and the heat sealing device can heat press the mouth of the bag from the front and rear sides of the antistatic bag after vacuuming, so as to Close the pocket. 2. The antistatic bag automatic sealing machine according to claim 1, wherein the lifting device includes a lifting frame that can move up and down in a straight line, and the positioning device is installed on the relative front upper side of the lifting frame and The rear upper side, and can move up and down, left and right, and forward and backward relative to the lifting frame; 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 at the opposite front lower side and rear lower side of the lifting frame, and can move forward and backward relative to the lifting frame. 3. The antistatic bag automatic sealing machine according to claim 1, wherein the positioning device includes a positioning mechanism and a clamping mechanism arranged below the positioning mechanism, and the positioning mechanism can extend into the The anti-static bag is used to tighten the mouth of the bag, and the clamping mechanism can press the anti-static bag from the front and rear sides of the anti-static bag, so that the mouth of the bag is clamped and fixed in the position. mechanism and the clamping mechanism. 4. The antistatic bag automatic sealing machine as claimed in claim 3, wherein said positioning mechanism comprises two positioning units arranged along the front and back direction of said antistatic bag, and said two positioning units are arranged with said drawer The vacuum device is symmetrically arranged around the center, and the two positioning units can move down into the antistatic bag synchronously, and can abut against the inner wall of the antistatic bag. 5. The antistatic bag automatic sealing machine as claimed in claim 4, wherein the positioning unit comprises two positioning pieces arranged along the left and right direction of the antistatic bag, and the two positioning pieces are separated by the drawer. The vacuum devices are symmetrically arranged around the center, and the two can move towards each other or towards each other to abut or separate from the left inner wall and the right inner wall of the antistatic bag, and the positioning member is tubular. 6. The antistatic bag automatic sealing machine according to claim 3, wherein the clamping mechanism comprises clamping parts, and the front and rear sides of the pocket are each provided with a clamping part, two The clamping members can move toward or away from each other to clamp or loosen the pocket opening between the clamping member and the positioning mechanism. 7 . The automatic sealing machine for antistatic bags according to claim 6 , wherein the two clamping parts are arranged symmetrically with the vacuum device as the center, and the clamping parts are in the shape of slats. 8 . 8. The antistatic bag automatic sealing machine as claimed in claim 1, wherein the forming device comprises a forming part, and the left and right sides of the mouth of the bag are each provided with a forming part, and the two forming parts are separated by The vacuuming device is symmetrically arranged around the center, and is arranged in a straight line with the vacuuming device in the left and right direction of the pocket opening. 9. The antistatic bag automatic sealing machine according to claim 1, further comprising an auxiliary part, the auxiliary part includes a straight line part and a bending part bent inwardly relative to the straight line part, and the auxiliary part can be up and down Move linearly to be inserted between the packing box and the antistatic bag, and during the moving process, the bending part can press the antistatic bag so that the air in the antistatic bag is discharged. 10. The anti-static bag automatic sealing machine according to claim 9, wherein the heat-pressing device comprises a heat-pressing part, and the left and right sides of the pocket are respectively provided with a heat-pressing part, and the heat-pressing device The pressing part is located between the corresponding positioning device and the bending part of the auxiliary part, and the two pressing parts can move toward each other or move away from each other to push or loosen the pocket, and can be pressed by heat. Push it to the matching pocket.