CN211033164U

CN211033164U - Automatic sealing machine for antistatic bag

Info

Publication number: CN211033164U
Application number: CN201921639146.5U
Authority: CN
Inventors: 孙金锁; 黄兆元; 许先冬; 南小飞
Original assignee: World Precision Manufacturing Dongguan Co Ltd
Current assignee: World Precision Manufacturing Dongguan Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-07-17
Anticipated expiration: 2029-09-27

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

Automatic sealing machine for antistatic bag

Technical Field

The utility model relates to an electronic product assembly field especially relates to an automatic capper of antistatic bag that seals is carried out antistatic bag to solid state hard drives packing usefulness.

Background

The packaging of electronic products such as solid state disks, mechanical hard disks, batteries and the like is very important, and particularly for solid state disks, the price is relatively high, and once the solid state disks are damaged, the situation that data are completely lost and cannot be found is easy to occur. Therefore, in order to avoid the problem that the performance of the electronic product is affected by mechanical damage or damp during transportation, loading and unloading, the electronic product is usually sealed in an antistatic bag to achieve the effect of moisture and static resistance, and then is packaged in a packaging box to achieve proper packaging. Wherein, the procedures of vacuumizing and sealing the antistatic bag are involved.

Therefore, in order to avoid the problems of low production efficiency, damage to the solid-state disk due to misoperation and incapability of effectively ensuring the sealing effect caused by manually sealing the anti-static bag, an anti-static bag automatic sealing machine which can realize automatic flow operation, has a simple structure, is high in efficiency and has a good sealing effect is urgently needed to overcome the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic capper of antistatic bag that simple structure, degree of automation are high, efficient and seal the effect good.

In order to achieve the above object, the utility model discloses an automatic capper of antistatic bag is applicable to seal the antistatic bag that suit in the packing box and load solid state hard drives, the automatic capper of antistatic bag includes elevating gear, elevating gear's driving down linear motion is in order to be close to or keep away from the positioner, forming device, evacuating device and the sealing device of antistatic bag, positioner can be supported the sack by the inboard of antistatic bag, forming device can be by the left outside and the right outside of antistatic bag are supported and are pushed away the sack that is supported for the left side end and the right side end of sack are all bent and are the M-shaped, positioner still can be by the anterolateral side and the posterolateral side of antistatic bag are fixed the sack of M-shaped, evacuating device can be by the M-shaped the sack stretch into in the antistatic bag with right the antistatic bag evacuation, 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.

Preferably, the lifting device comprises a lifting frame capable of moving up and down linearly, and the positioning device is arranged on the front upper side and the rear upper side of the lifting frame and can move up and down, left and right and move back and forth relative 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.

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 tension the bag opening, and the clamping mechanism can press the anti-static bag from the front outer side and the rear outer side of the anti-static bag, so that the bag opening is clamped and fixed between the positioning mechanism and the clamping mechanism.

Preferably, the positioning mechanism includes two positioning units arranged along the front-rear 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.

Preferably, the positioning unit includes two positioning members arranged along a left-right direction of the antistatic bag, the two positioning members are symmetrically arranged with the vacuum pumping device as a center, and can move back to back or move toward each other to abut against or separate from a left inner wall and a right inner wall of the antistatic bag, and the positioning members are tubular.

Preferably, the clamping mechanism comprises clamping pieces, and the front outer side and the rear outer side of the bag opening are respectively provided with one clamping piece, and the two clamping pieces can move towards each other or move away from each other to clamp or release the bag opening between the clamping pieces and the positioning mechanism.

Preferably, the two clamping pieces are symmetrically arranged by taking the vacuum pumping device as a center, and the clamping pieces are in a shape of a lath.

Preferably, the forming device includes a forming member, the two outsides of the left and right sides of the bag opening are respectively provided with one forming member, two the forming members use the evacuating device is arranged symmetrically as the center, and with the evacuating device in the left and right direction of the bag opening is arranged linearly.

Preferably, the utility model discloses an automatic capper of antistatic bag still includes the auxiliary member, the auxiliary member includes straight line portion and relative the portion of bending of the internal book of straight line portion, the auxiliary member can be from top to bottom rectilinear movement and insert the packing box with between the antistatic bag, and at the removal in-process, the portion of bending can be squeezed the antistatic bag makes air escape in the antistatic bag.

Preferably, the hot pressing device includes hot pressing parts, two hot pressing parts are respectively disposed on the left and right outer sides of the bag opening, the hot pressing parts are located between the corresponding positioning devices and the bending portions of the auxiliary part, and the two hot pressing parts can move in opposite directions or move back to push or release the bag opening, and can be pushed to the attached bag opening by hot pressing.

Compared with the prior art, the positioning device, the forming device, the vacuum pumping device and the heat sealing device of the automatic sealing machine for the anti-static bag of the utility model move linearly under the driving of the lifting device to be close to or far away from the anti-static bag, so that the positioning device can support the bag opening of the anti-static bag from the inner side of the anti-static bag, the combination forming device pushes the bag opening supported by the positioning device from the left outer side and the right outer side of the anti-static bag, so that the left and right side ends of the bag opening are bent into an M shape under the matching of the positioning device and the forming device, the size of the whole bag opening is reduced, the M-shaped bag opening can be fixed by the front outer side and the rear outer side of the anti-static bag by combining the positioning device, the anti-static bag is clamped and fixed at the position of the reduced bag opening, thereby being convenient for the follow-up evacuating device to the vacuum pumping operation of the antistatic bag, and also being convenient for the heat sealing device to the heat sealing operation of the electrostatic bag with a smaller bag opening. The utility model discloses an in the locating device, evacuating device and the sealing device of the automatic capper of antistatic bag all can locate the defined big or small region of sack, complete machine simple structure and small can realize effectively having improved the efficiency of sealing to the location of antistatic bag, shaping, evacuation and the automation mechanized operation that seals, seal the effect good.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the anti-static bag automatic sealing machine of the present invention at an angle.

Fig. 2 is a schematic view of another angle of the automatic sealing machine for antistatic bags according to the present invention.

Fig. 3 is a schematic view of the positioning device of the present invention abutting against the inner wall of the bag opening.

Fig. 4 is a schematic view of the positioning device and the forming device of the present invention.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Fig. 6 is a schematic view of the auxiliary member squeezing the antistatic bag according to the present invention.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

Referring to fig. 1 to 6, the present invention discloses an automatic sealing machine 100 for antistatic bags, which is suitable for sealing an antistatic bag 300 that is sleeved in a packing box 200 and loaded with a solid hard disk. Wherein, the utility model relates to an antistatic bag 300 has certain hardness, and when antistatic bag 300 suit in packing box 200, antistatic bag 300 was strutted to its bag body and was laminated mutually with the inner wall of packing box 200, and the roughly vertical upwards extension of the bag body and form a sack 300a in the case mouth position department that surpasss packing box 200, sack 300a upwards just roughly is the rectangle. The utility model discloses the disclosed automatic capper 100 of antistatic bag of preferred embodiment includes elevating gear 10 and connects in the positioner 20 of elevating gear 10's output, forming device 30, evacuating device 40 and sealing device 50, under elevating gear 10 orders about, positioner 20, forming device 30, evacuating device 40 and sealing device 50 can prevent the linear movement of antistatic bag 300 relatively in order to be close to or keep away from antistatic bag 300 to the corresponding support of realization to the sack of antistatic bag 300, the shaping of bending, evacuation and the operation of sealing. Of course, the automatic sealing machine 100 for antistatic bags of the present invention further comprises a control system (not shown in the figure) electrically connected to the lifting device 10, the positioning device 20, the forming device 30, the vacuum-pumping device 40 and the heat-sealing device 50, and the control system controls the coordination between the devices. It should be noted that the control system is a conventional control system, and the structure and control principle thereof are well known in the art, so that a detailed description thereof is omitted here.

Specifically, the positioning device 20 may support the bag opening 300a of the anti-static bag 300 from the inner side of the anti-static bag 300, and the forming device 30 may push the bag opening 300a supported by the positioning device 20 from the left outer side and the right outer side of the anti-static bag 300, so that the left side end and the right side end of the bag opening 300a are both bent into an M shape, thereby reducing the size of the bag opening 300 a. The positioning device 20 may further fix the M-shaped bag opening 300a from the front outer side and the rear outer side of the anti-static bag 300, and the vacuum extractor 30 may extend into the anti-static bag 300 from the M-shaped bag opening 300a to extract vacuum from the anti-static bag 300. The heat sealing device 40 is located below the vacuum extractor 30, and can heat press the bag opening 300a from the front outer side and the back outer side of the vacuumized antistatic bag 300, thereby closing the bag opening 300 a.

Referring to fig. 1 to 5, the vacuum extractor 30 is located at the opposite center of the anti-static bag 300, the positioning device 10 and the hot press device 40 are both disposed along the front-back direction of the anti-static bag 300, the hot press device 40 is located below the positioning device 10, and the forming device 30 is disposed along the left-right direction of the anti-static bag 300. Because the bag mouth 300a is bent and reduced in the sealing process, the positioning device 20, the vacuum-pumping device 40 and the heat-sealing device 50 except the lifting device 10 and the forming device 30 can be positioned in a rectangular area defined by the bag mouth 300a, so that the structure between the devices is simple and compact, and the volume of the whole machine is effectively reduced.

Specifically, in the present embodiment, the lifting device 10 includes a lifting frame 11 capable of moving linearly up and down, and the positioning device 20 is installed on the front upper side and the rear upper side of the lifting frame 11, and is capable of moving up and down, left and right, and front and rear with respect to the lifting frame 11; the forming device 30 is arranged on the relative left side and right side of the lifting frame 11 and can move left and right relative to the lifting frame 11; the vacuum extractor 30 is arranged at the opposite 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 lifting frame 11, and can move back and forth relative to the lifting frame 11.

The lifting device 10 further comprises a first lifting driver 12, the first lifting driver 12 is installed on the support frame 13, and an output end of the first lifting driver 12 is connected with the lifting frame 11 so as to drive the lifting frame 11 to move up and down linearly. Specifically, the first lifting driver 12 has three stations, and in an initial state, the first lifting driver 12 drives the lifting frame 11 to be located at the highest first station; when the first lifting driver 12 drives the lifting frame 11 to move to the middle second station, the positioning and the forming of the bag opening 300a can be realized at the station; and when the vacuum is pumped, the first lifting driver 12 drives the lifting frame 11 to move from the second station to the lowest third station so as to complete the subsequent heat sealing operation. Specifically, first lift drive 12 is a servo motor.

With reference to fig. 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 tension the bag opening 300a and provide a supporting force for the bag opening 300a from inside to outside, and the clamping mechanism 22 can press the anti-static bag 300 from the front outer side and the rear outer side of the anti-static bag 300, so that the opposite lower end of the bag opening 300a is clamped and fixed between the positioning mechanism 21 and the clamping mechanism 22, so as to perform vacuum pumping and heat sealing on the anti-static bag 300.

Specifically, the positioning mechanism 21 includes two positioning units 211 arranged along the front-back direction of the anti-static bag 300, the two positioning units 211 are symmetrically arranged with the vacuum extractor 40 as the center, and the two positioning units 211 can synchronously move down into the anti-static 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 smaller, so that the size of the bag opening 300a can be effectively reduced, the sealing efficiency can be effectively improved, and the structure of the whole machine is more compact. The positioning unit 211 includes two positioning members 2111 arranged along the left-right direction of the anti-static bag 300, the two positioning members 2111 are symmetrically arranged with the vacuum extractor 40 as the center, and the two positioning members 2111 can move back to back or move toward each other to abut against or separate from the left inner wall and the right inner wall of the anti-static bag 300. Preferably, the securing member 2111 may be provided in a tubular shape for space saving. When the 4 positioning members 2111 in the two sets of positioning units 211 are opened, the positioning members are abutted against the inner wall of the bag opening 300a in the left-right direction, and the width of the bag opening 300a in the front-back direction is much smaller than that of the bag opening 300a, so that a small rectangle can be defined in the bag opening 300a, and the four positioning members 2111 are used as supports when the bag opening 300a is bent and formed, so that the whole bag opening 300a is contracted.

More specifically, in order to realize that the two positioning units 211 are synchronously moved downwards into the inserted antistatic 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 are connected with the output end of the second lifting driver 212 through the frame body 23. In the initial first station, the second lifting driver 212 is in an extended state, and when the first lifting driver 12 drives the lifting frame 11 to move to the middle second station, the second lifting driver 212 retracts to drive the two positioning units 211 to synchronously move downwards, so that the two positioning units 211 can be inserted into the antistatic bag 300. Specifically, the second lift driver 212 is an air cylinder.

Referring to fig. 4 and 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 adapters 2113 and two linear guide rails 2114. The tensioning drivers 2112 are installed at opposite upper ends of the frame 23, the opposite lower ends of the frame 23 are provided with linear guides 2114 arranged in the left-right direction of the electrostatic bag 300, and the positioning members 2111 are slidably provided on the linear guides 2114. The adapters 2113 are obliquely arranged relative to the linear guide rails 2114, specifically, arranged at a high position and a low position, the adapters 2113 are further arranged in one-to-one correspondence with the positioning members 2111, one ends of the two adapters 2113 are respectively pivoted with the corresponding positioning members 2111, the other ends of the two adapters 2113 are pivoted on the frame body 23 through a pivoting shaft 2115, and the output end of the tensioning driver 2112 is fixedly connected with or movably abutted to the pivoting ends of the two adapters 2113. When the tensioning driver 2112 extends out, the two adapters 2113 may be directly driven to rotate around the pivot axis 2115, or the output end of the tensioning driver 2112 may be moved to abut against the pivot ends of the two adapters 2113 to drive the two adapters 2113 to rotate around the pivot axis 2115, and the rotation directions of the two adapters 2113 are opposite, the two rotating adapters 2113 may drive the positioning element 2111 pivoted thereto to slide on the corresponding linear guide rail 2114, so that the two positioning elements 2111 move away from each other, thereby moving to abut against the left side wall and the right side wall of the electrostatic prevention bag 300, thereby achieving the purpose of supporting and tensioning in a limited space, and the positioning mechanism 21 is simple in structure and reasonable in layout. Specifically, the tensioning actuator 2112 is a pneumatic cylinder.

Referring to fig. 1 to 5, the forming device 30 includes forming members 31, forming members 31 are respectively disposed on left and right outer sides of the bag opening 300a, the two forming members 31 are symmetrically disposed with the vacuum pumping device 40 as a center, and the two forming members 31 and the vacuum pumping device 40 are linearly arranged along the left and right directions of the bag opening 300 a. The forming device 30 further comprises forming drivers 32 for driving the formed parts 31 to move left and right linearly, the forming drivers 32 are arranged corresponding to the formed parts 31 one by one, and the two forming drivers 32 are directly connected to the lifting frame 11 through the support plate 33 or connected to the lifting frame 11 through the frame body 23. The molding member 31 is located between the two positioning units 211, specifically, at the center of the two positioning members 2111 on the same side. Because the distance between the two positioning units 211 is small, when the two forming members 31 move in opposite directions under the driving of the two forming drivers 32 and push the anti-static bag 300 from the left and right sides, the two forming members 31 push the anti-static bag 300 between the two positioning members 2111 on the corresponding sides inwards, and the original four corners of the bag opening 300a move to be contracted to the positions of the 4 positioning members 2111, so that the left side end and the right side end of the bag opening 300a are bent into an M shape, and the size of the whole bag opening 300a is reduced. Preferably, the molding member 31 has a rod shape, and the lower end of the molding member 31 is located below the positioning member 2111. The forming drive 32 is embodied as a pneumatic cylinder.

Specifically, the clamping mechanism 22 includes a clamping member 221, and a clamping member 221 is disposed at each of the front outer side and the rear outer side of the bag opening 300a, and the two clamping members 221 can move toward each other or away from each other to clamp or release the bag opening 300a between the clamping member 221 and the positioning member 2111 of the positioning mechanism 21. The two clamping members 221 are symmetrically arranged around the vacuum extractor 40, the clamping members 221 are in the shape of a strip, and each clamping member 221 is disposed along the left and right direction of the antistatic bag 300. The clamping mechanism 22 further includes a clamping actuator 222 for moving the clamping member 221 forward and backward, and the clamping actuator 222 is connected to the lower end of the crane 11. The clamping actuator 222 is embodied as a pneumatic cylinder.

Referring to fig. 2 and 6, the vacuum extractor 40 includes a vacuum suction nozzle 41 fixed on the crane 11 and a telescopic air pipe 42 connected to the vacuum suction nozzle 41, and the telescopic air pipe 42 is connected to an external vacuum extractor (not shown). In order to facilitate the evacuation, the utility model discloses an automatic capper 100 of antistatic bag still includes auxiliary 60, auxiliary 60 connects on crane 11, auxiliary 60 includes the portion 62 of bending of sharp portion 61 and relative sharp portion 61 infolding, linear movement about auxiliary 60 can and insert between packing box 200 and antistatic bag 300, and at the removal in-process, the portion 62 of bending can extrude antistatic bag 300, make the air in the antistatic bag 300 discharge fast, thereby accelerate the speed of evacuation, improve and seal efficiency.

In particular, in order to achieve the squeezing of the antistatic bag 300, the auxiliary 60 is also connected with the output end of the third elevating driver 64, which 64 is installed on the crane 11. For the purpose of optimizing the structure, the grip actuator 222 is installed on the linear portion 61 of the auxiliary member 60, and the grip actuator 222 is connected to the crane 11 through the auxiliary member 60. The third elevating driver 64 is embodied as a cylinder.

Specifically, the hot pressing device 50 includes hot pressing members 51, two hot pressing members 51 are respectively disposed on the left and right outer sides of the bag opening 300a, the hot pressing members 51 are located between the positioning device 20 on the corresponding side and the bending portion 62 of the auxiliary member 60, the two hot pressing members 51 can move toward or away from each other to push or release the front side wall and the rear side wall of the bag opening 300a, and the bag opening 300a can be pushed to the attached bag opening by hot pressing, so as to achieve heat sealing. The thermo-compression apparatus 50 further includes a thermo-compression driver 52 connected to the thermo-compression member 51 to drive the thermo-compression member 51 to move forward and backward, and the thermo-compression driver 52 may be installed on the linear portion 61 and located below the clamping driver 222 for the sake of simplicity. The thermo-compression driver 52 is embodied as a pneumatic cylinder.

The working principle of the automatic sealing machine 100 for antistatic bags of the present invention is described below with reference to fig. 1 to 6:

firstly, starting equipment, and after a packaging box stream filled with a solid state disk is pulled to be right below a lifting frame 11, under the indication of a control system, a first lifting driver 12 acts to drive the lifting frame 11 to move downwards from a first station to a second station;

then, the second lifting driver 212 retracts to drive the two positioning units 211 to synchronously move downwards to be inserted into the antistatic bag 300 from the bag opening 300a, and then the two tightening drivers 2112 synchronously extend out to enable the two positioning parts 2111 on each side to move back and open so as to be abutted against the left and right inner walls of the bag opening 300 a;

then, the two molding drivers 32 are synchronously retracted to drive the two molding pieces 31 to push the bag opening 300a from the left and right sides of the antistatic bag 300, and the left and right side ends of the bag opening 300a are bent into an M shape under the matching of the supporting force of the 4 positioning pieces 2111;

then, the two third lifting drivers 64 extend out simultaneously to drive the two auxiliary members 60 to move downwards, so as to drive the two clamping members 221 and the two hot pressing members 51 to move downwards synchronously, and after the two clamping drivers 222 extend out synchronously after moving to the right position, the two clamping members 221 are driven to press against the anti-static bag 300 from the front side and the rear side, so that the anti-static bag 300 is clamped and fixed between the clamping members 221 and the positioning members 2111;

then, the vacuum pumping equipment is opened, the vacuum pumping device 40 starts to pump vacuum, and simultaneously the first lifting driver 12 acts to drive the lifting frame 11 to move downwards from the second station to the third station, and in the process of moving downwards, the two auxiliary pieces 60 extrude the anti-static bag 300 from two sides, so that the vacuum pumping speed can be increased;

after the evacuation is completed, the two hot press drivers 52 extend out simultaneously, so as to drive the two hot press parts 51 to clamp the evacuated antistatic bag 300 from both sides, and then the heating is started, thereby realizing the heat sealing of the bag opening 300a of the antistatic bag 300.

Finally, the devices are reset, the packaging box 200 which finishes the sealing operation of the anti-static bag 300 is pulled to the next device, and the operations are repeated continuously, so that 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-pumping device 40 and the heat-sealing device 50 of the automatic sealing machine 100 for antistatic bags of the present invention move linearly under the driving of the lifting device 10 to be close to or far away from the antistatic bag 300, so that the positioning device 20 can support the bag mouth 300a of the antistatic bag 300 by the inner side of the antistatic bag 300, the forming device 30 is combined to push the supported bag mouth 300a by the left outer side and the right outer side of the antistatic bag 300, so that the left and right side ends of the bag mouth 300a are bent into an M shape under the matching of the positioning device 20 and the forming device 30, the size of the whole bag mouth 300a is reduced, the positioning device 20 is combined to fix the bag mouth 300a of the M shape by the front outer side and the back outer side of the antistatic bag 300, so that the antistatic bag 300 is clamped and fixed at the reduced position of the bag mouth 300a, thereby facilitating the vacuum-pumping operation of the antistatic bag 300 by the subsequent vacuum-, and also facilitates the heat-sealing operation of the heat-sealing device 50 to the electrostatic bag 300 having the smaller bag opening 300 a. The utility model discloses an automatic capper 100 of antistatic bag's positioner 20, evacuating device 40 and sealing device 50 all can locate in the defined big small region of sack 300a, and complete machine simple structure and small can realize effectively having improved the efficiency of sealing to the location of antistatic bag, shaping, evacuation and the automation mechanized operation that seals.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims

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.