Tower type rotary clamping station and clamping method

Abstract

A tower type rotating clamping station and clamping method, comprising a rotating tower, a clamping mechanism and an air source access device, by arranging a plurality of clamping mechanisms on a rotating disk of the rotating tower, by arranging an air source access device in a receiving hole of the rotating disk to connect the air supply with a telescopic member of the clamping mechanism, by driving a movable plate and a clamping plate through the telescopic member to clamp a gauze piece and a chip bag respectively to achieve precise positioning, and by rotating the rotating disk to drive the clamping mechanism to rotate to achieve sequence transfer. The present invention overcomes the problems of high labor intensity, low efficiency and inaccurate positioning in the process of sewing chip bags from the original gauze piece, and has the characteristics of simple structure, low labor intensity, high efficiency, precise positioning of the chip bag and the gauze piece, and simple and convenient operation.

Description

Technical Field

[0001] The invention belongs to the technical field of medical product production equipment and relates to a tower type rotating clamping station and a clamping method. Background Art

[0002] Among medical supplies, there is a kind of gauze used in surgery. The gauze needs to go through multiple processes in the process of processing. After the gauze pieces are cut, they are transported from the conveyor line to the chip bag sewing process. The problem is that the gauze pieces are manually transferred to the chip bag sewing process, which is labor-intensive and inefficient. In the process of sewing the chip bag with the soft gauze piece, the sewing position of the chip bag and the gauze piece is manually positioned, and the precision is inaccurate, which affects the subsequent folding. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a tower-type rotating clamping station and a clamping method, which have a simple structure and are provided with a plurality of clamping mechanisms on the turntable of the rotating tower. An air source access device is provided in the accommodating hole of the turntable to connect the air supply with the telescopic part of the clamping mechanism. The telescopic part drives the movable plate and the clamping plate to clamp the gauze piece and the chip bag respectively to achieve precise positioning. The rotation of the turntable drives the rotation of the clamping mechanism to achieve sequence change. The sequence change has low labor intensity and high efficiency. The chip bag and the gauze piece are accurately positioned, and the operation is simple and convenient.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a tower-type rotating clamping station, which includes a turret, a clamping mechanism and an air source access device; the fixed plate of the clamping mechanism and the fixed end of the telescopic member are connected to the turntable of the turret, and the air source access device is arranged in the accommodating hole in the center of the turntable. During the rotation of the turntable, the air source is supplied to the telescopic member, and the telescopic member drives the movable plate of the clamping mechanism to open and close and cooperate with the fixed plate to clamp the object.

[0005] The turret includes a reducer connected to the servo motor and a turntable connected to the output end of the reducer.

[0006] The turntable is a circular flat plate with a receiving hole arranged at the center.

[0007] The clamping mechanism comprises a movable plate located on the upper side of the fixed plate, and a telescopic member connected to the movable plate, and a movable ear seat is connected to the telescopic end of the telescopic member.

[0008] The fixed plate and the movable plate are flat plates, and tooth plates corresponding to each other are arranged at the front ends.

[0009] A pinhole plate is arranged on one side of the fixing plate, and a clamping plate is arranged on the upper side corresponding to the pinhole plate and connected with another telescopic member.

[0010] The gas source access device includes a limit plate that is tightly matched with the shaft of the rotary joint and a mounting plate connected to the lower side of the rotary joint. The limit plate is located on the upper side of the turntable and is connected and fixed thereto.

[0011] There are multiple clamping mechanisms, which are evenly distributed along the edge of the turntable.

[0012] The clamping method of the tower type rotating clamping station as described above comprises the following steps:

[0013] S1, turn on the air source switch between the air supply source and the rotary joint; at this time, one of the clamping mechanisms on the turntable corresponds to the output end of the assembly line conveying equipment, and the movable plate and the clamping plate are in an open state;

[0014] S2, the assembly line conveying equipment conveys the gauze piece to the fixed plate of the clamping mechanism; the telescopic end of the telescopic member extends, driving the movable plate to rotate around the ear seat to clamp the gauze piece;

[0015] S3, the PLC control system controls the servo motor and the reducer to close the power supply respectively, and the servo motor drives the reducer to drive the turntable to rotate. When the turntable drives the clamping mechanism holding the gauze piece to reach the sewing station, it stops;

[0016] S4, after the chip bag conveyor line conveys the chip bag to the gauze sheet corresponding to the pinhole plate, the telescopic end of another telescopic part of the clamping mechanism extends to drive the clamping plate to clamp the chip bag on the gauze sheet.

[0017] A tower type rotating clamping station includes a turret, a clamping mechanism and an air source access device; the fixed plate of the clamping mechanism and the fixed end of the telescopic member are connected to the turntable of the turret, the air source access device is arranged in the receiving hole in the center of the turntable, and the air source is supplied to the telescopic member during the rotation of the turntable, and the telescopic member drives the movable plate of the clamping mechanism to open and close to cooperate with the fixed plate to clamp the object. The structure is simple, and when in use, multiple clamping mechanisms are arranged on the turntable of the turret, and the air source access device is arranged in the receiving hole of the turntable to connect the air supply with the telescopic member of the clamping mechanism, and the telescopic member drives the movable plate and the clamping plate to clamp the gauze sheet and the chip bag respectively to achieve precise positioning, and the clamping mechanism is driven to rotate by the rotation of the turntable to achieve the sequence change, the sequence change has low labor intensity and high efficiency, the chip bag and the gauze sheet are accurately positioned, and the operation is simple and convenient.

[0018] In the preferred solution, the turret includes a reducer connected to the servo motor and a turntable connected to the output end of the reducer. The structure is simple. When in use, the servo motor drives the reducer to drive the turntable to rotate, and the rotation of the turntable drives the clamping mechanism connected to it to rotate. The clamping mechanism clamps the gauze piece to the sewing station, and the labor of the turntable is low and the efficiency is high.

[0019] In the preferred solution, the turntable is a circular flat plate with a receiving hole in the center. The structure is simple. When in use, the turntable with a circular flat plate structure has good stability during rotation. The receiving hole in the center is used to accommodate the rotary joint of the gas source access device, so that the rotary joint is not affected by the rotation of the turntable during the gas supply process and occupies a small space.

[0020] In a preferred solution, the clamping mechanism includes a movable plate located on the upper side of the fixed plate, and a telescopic member connected to the movable plate, and a movable ear seat is connected to the telescopic end of the telescopic member. The structure is simple, and when in use, the clamping mechanism is used to clamp the gauze piece before the sequence is transferred, and to clamp the gauze piece during the sequence transfer process. When clamping, the telescopic member drives the movable plate to rotate around the ear seat to open and close the gauze piece.

[0021] In the preferred solution, the fixed plate and the movable plate are flat plates, and tooth plates corresponding to each other are arranged at the front ends. The structure is simple. When in use, a space is formed between the tooth plates at the front ends of the fixed plate and the movable plate. The weight is light, and the centrifugal force of the fixed plate and the movable plate clamping the gauze piece is reduced during the rotation of the turntable, so as to prevent the gauze piece from being separated from the clamping of the fixed plate and the movable plate during the clamping and rotating process; secondly, when the movable plate is rapidly moved downward and opened and closed with the fixed plate, the disturbed air is allowed to flow between the tooth plates, so as to prevent the soft and light gauze piece from being blown out of position.

[0022] In the preferred solution, a pinhole plate is arranged on one side of the fixed plate, and a clamping plate connected to another telescopic member is arranged on the upper side of the pinhole plate. The structure is simple, and when in use, the chip bag sewn into one piece with the gauze piece is transported to the set position of the gauze piece by the chip bag conveyor line before sewing, and then the chip bag is tightened to the gauze piece by driving the clamping plate through another telescopic member, and then the chip bag is sewn into one piece with the gauze piece through a circular line along the pinhole on the pinhole plate through the sewing equipment, with high positioning accuracy and not easy to be misplaced.

[0023] In a preferred solution, the air source access device includes a limit plate matched with the shaft of the rotary joint, a mounting plate connected to the lower side of the rotary joint, and the limit plate is located on the upper side of the turntable and is connected and fixed thereto. The structure is simple. When installed, the mounting plate of the air source access device is fixed to the frame of the assembly line. When in use, during the rotation of the turntable, the shaft of the rotary joint matched with the center hole of the limit plate is in a rotating state, and air is supplied to the telescopic part while rotating.

[0024] In a preferred solution, there are multiple clamping mechanisms evenly distributed along the edge of the turntable. The structure is simple. When in use, the multiple clamping mechanisms arranged on the turntable can be in a state where one of the clamping mechanisms clamps the gauze piece and is in a sewing state, while another clamping mechanism corresponding to the conveying line is in a working state of clamping the gauze piece, and the remaining clamping mechanisms are in a pending state.

[0025] In a preferred embodiment, the clamping method of the tower type rotating clamping station comprises the following steps:

[0026] S1, turn on the air source switch between the air supply source and the rotary joint; at this time, one of the clamping mechanisms on the turntable corresponds to the output end of the assembly line conveying equipment, and the movable plate and the clamping plate are in an open state;

[0027] S2, the assembly line conveying equipment conveys the gauze piece to the fixed plate of the clamping mechanism; the telescopic end of the telescopic member extends, driving the movable plate to rotate around the ear seat to clamp the gauze piece;

[0028] S3, the PLC control system controls the servo motor and the reducer to close the power supply respectively, and the servo motor drives the reducer to drive the turntable to rotate. When the turntable drives the clamping mechanism holding the gauze piece to reach the sewing station, it stops;

[0029] S4, after the chip bag conveyor line conveys the chip bag to the gauze sheet corresponding to the pinhole plate, the telescopic end of another telescopic part of the clamping mechanism extends to drive the clamping plate to clamp the chip bag on the gauze sheet. The method is efficient, low in labor intensity, and accurate in positioning in realizing the process of transferring the chip bag from the gauze sheet to the chip bag.

[0030] A tower type rotating clamping station and clamping method, comprising a rotating tower, a clamping mechanism and an air source access device, by arranging a plurality of clamping mechanisms on a rotating disk of the rotating tower, by arranging an air source access device in a receiving hole of the rotating disk to connect the air supply with a telescopic member of the clamping mechanism, by driving a movable plate and a clamping plate through the telescopic member to clamp a gauze piece and a chip bag respectively to achieve precise positioning, and by rotating the rotating disk to drive the clamping mechanism to rotate to achieve sequence transfer. The present invention overcomes the problems of high labor intensity, low efficiency and inaccurate positioning in the process of sewing chip bags from the original gauze piece, and has the characteristics of simple structure, low labor intensity, high efficiency, precise positioning of the chip bag and the gauze piece, and simple and convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

[0032] Figure 1 It is a structural schematic diagram of the present invention.

[0033] Figure 2 for Figure 1 Schematic diagram of the main view.

[0034] Figure 3 for Figure 2 Schematic top view of .

[0035] Figure 4 It is a structural schematic diagram of the turret of the present invention.

[0036] Figure 5 for Figure 4 Schematic diagram of the main view.

[0037] Figure 6 It is a structural schematic diagram of the clamping mechanism of the present invention.

[0038] Figure 7 It is a structural schematic diagram of the gas source access device of the present invention.

[0039] Figure 8 for Figure 7 Schematic diagram of the main view.

[0040] In the figure: turret 1, servo motor 11, reducer 12, turntable 13, accommodating hole 14, clamping mechanism 2, fixed plate 21, movable plate 22, telescopic member 23, pinhole plate 24, clamping plate 25, air source access device 3, rotary joint 31, limit plate 32, mounting plate 33. DETAILED DESCRIPTION

[0041] like Figure 1 to Figure 8 In the invention, a tower type rotating clamping station is provided, which comprises a rotating tower 1, a clamping mechanism 2 and an air source access device 3; the fixed end of the fixed plate 21 and the telescopic member 23 of the clamping mechanism 2 are connected to the rotating disk 13 of the rotating tower 1, and the air source access device 3 is arranged in the receiving hole 14 at the center of the rotating disk 13. During the rotation of the rotating disk 13, the air source is supplied to the telescopic member 23, and the telescopic member 23 drives the movable plate 22 of the clamping mechanism 2 to open and close to cooperate with the fixed plate 21 to clamp the object. The structure is simple. When in use, a plurality of clamping mechanisms 2 are arranged on the rotating disk 13 of the rotating tower 1, and the air source access device 3 is arranged in the receiving hole 14 of the rotating disk 13 to connect the telescopic member 23 of the clamping mechanism 2 to supply air, and the telescopic member 23 drives the movable plate 22 and the clamping plate 25 to clamp the gauze piece and the chip bag respectively to achieve precise positioning, and the rotating disk 13 drives the clamping mechanism 2 to rotate to achieve the sequence change, and the sequence change has low labor intensity and high efficiency, and the chip bag and the gauze piece are accurately positioned, and the operation is simple and convenient.

[0042] In a preferred solution, the turret 1 includes a reducer 12 connected to a servo motor 11, and a turntable 13 connected to an output end of the reducer 12. The structure is simple, and when in use, the servo motor 11 drives the reducer 12 to drive the turntable 13 to rotate, and the rotation of the turntable 13 drives the clamping mechanism 2 connected thereto to rotate, and the clamping mechanism 2 clamps the gauze piece to arrive at the sewing station, and the labor of the turntable is low and the efficiency is high.

[0043] Preferably, the model of the servo motor 11 is BCH2LH1033CA6C, and the power is 1KW.

[0044] Preferably, the model of the reducer 12 is GSN280M-50K-SV.

[0045] In a preferred solution, the turntable 13 is a circular flat plate with a receiving hole 14 at the center. The structure is simple, and when in use, the turntable 13 with a circular flat plate structure has good stability during rotation, and the receiving hole 14 at the center is used to accommodate the rotary joint 31 of the gas source access device 3, so that the rotary joint is not affected by the rotation of the turntable 13 during the gas supply process, and occupies a small space.

[0046] In a preferred solution, the clamping mechanism 2 includes a movable plate 22 located on the upper side of the fixed plate 21, and a telescopic member 23 connected to the movable plate 22, and a movable ear seat is connected to the telescopic end of the telescopic member 23. The structure is simple, and when in use, the clamping mechanism 2 is used to clamp the gauze piece before the sequence is transferred, and to clamp the gauze piece during the sequence transfer process. When clamping, the telescopic member 23 drives the movable plate 22 to rotate around the ear seat to open and close the gauze piece.

[0047] Preferably, the telescopic member 23 is a pneumatic rod, and its model is CDJD16-45Z-N-M9B-B.

[0048] Preferably, the ear seat includes a movable block hinged to the fixed block, the fixed block is connected and fixed to the fixed plate 21 , and the movable block is connected to the movable plate 22 .

[0049] In a preferred solution, the fixed plate 21 and the movable plate 22 are flat plates, and tooth plates corresponding to each other are arranged at the front ends. The structure is simple, and when in use, a space is formed between the tooth plates at the front ends of the fixed plate 21 and the movable plate 22, and the weight is light. During the rotation of the turntable 13, the centrifugal force of the fixed plate 21 and the movable plate 22 clamping the gauze piece is reduced, and the gauze piece is prevented from being separated from the clamping of the fixed plate 21 and the movable plate 22 during the clamping and rotating process; secondly, during the process of the movable plate 22 rapidly moving downward and opening and closing with the fixed plate 21, the disturbed air is circulated between the tooth plates, and the soft and light gauze piece is prevented from being blown out of position.

[0050] Preferably, the toothed plates at the front ends of the fixed plate 21 and the movable plate 22 extend out of the edge of the turntable 13 .

[0051] In the preferred solution, a pinhole plate 24 is provided on one side of the fixing plate 21, and a clamping plate 25 is provided on the upper side corresponding to the pinhole plate 24 and connected to another telescopic member 23. The structure is simple, and when in use, the chip bag sewn into one piece with the gauze piece is transported to the set position of the gauze piece by the chip bag conveying line before sewing, and then the clamping plate 25 is driven by another telescopic member 23 to tighten the chip bag to the gauze piece, and then the chip bag is sewn into one piece with the gauze piece by a sewing device along the pinhole on the pinhole plate 24 in a circular line, with high positioning accuracy and not easy to be misplaced.

[0052] Preferably, notches are provided around the pinhole plate 24, corresponding to the pressure columns at the front end of the clamping plate 25. When in use, the pressure columns press the edge of the chip bag.

[0053] In a preferred solution, the air source access device 3 includes a limit plate 32 matched with the shaft of the rotary joint 31, a mounting plate 33 connected to the lower side of the rotary joint 31, and the limit plate 32 is located on the upper side of the turntable 13 and is connected and fixed thereto. The structure is simple. When installed, the mounting plate 33 of the air source access device 3 is fixed to the frame of the assembly line. When in use, during the rotation of the turntable 13, the shaft of the rotary joint 31 matched with the center hole of the limit plate 32 is in a rotating state, and air is supplied to the telescopic member 23 while rotating.

[0054] Preferably, the rotary joint 31 is a gas-liquid rotary joint of model MAPH100-02-S06-1.

[0055] Preferably, the mounting plate 33 is a multi-folded groove plate, and the air inlet end of the rotary joint 31 is located in the groove, which is convenient for installation and maintenance.

[0056] In a preferred solution, the number of the clamping mechanisms 2 is multiple and evenly distributed along the edge of the turntable 13. The structure is simple, and when in use, the multiple clamping mechanisms 2 arranged on the turntable 13 can be in a state where one of the clamping mechanisms 2 clamps the gauze piece and is in a sewing state, while another clamping mechanism 2 corresponding to the conveying line is in a working state of clamping the gauze piece, and the remaining clamping mechanisms 2 are in a pending state.

[0057] In a preferred embodiment, the clamping method of the tower type rotating clamping station as described above comprises the following steps:

[0058] S1, turn on the air source switch between the air supply source and the rotary joint 31; at this time, one of the clamping mechanisms 2 located on the turntable 13 corresponds to the output end of the assembly line conveying equipment, and the movable plate 22 and the clamping plate 25 are in an open state;

[0059] S2, the assembly line conveying equipment conveys the gauze piece to the fixed plate 21 of the clamping mechanism 2; the telescopic end of the telescopic member 23 extends, driving the movable plate 22 to rotate around the ear seat to clamp the gauze piece;

[0060] S3, the PLC control system controls the servo motor 11 and the reducer 12 to close their power supplies, the servo motor 11 drives the reducer 12 to drive the turntable 13 to rotate, and the turntable 13 drives the clamping mechanism 2 holding the gauze piece to reach the sewing station and stops;

[0061] S4, after the chip bag conveying line conveys the chip bag to the gauze sheet corresponding to the pinhole plate 24, the telescopic end of another telescopic member 23 of the clamping mechanism 2 is extended to drive the clamping plate 25 to clamp the chip bag on the gauze sheet. The method is efficient, low in labor intensity, and accurate in positioning in realizing the process of sewing the chip bag from the gauze sheet.

[0062] As described above, when the tower-type rotating clamping station and the clamping method are installed and used, a plurality of clamping mechanisms 2 are arranged on the turntable 13 of the turret 1, and an air source access device 3 is arranged in the accommodating hole 14 of the turntable 13 to connect the air supply with the telescopic member 23 of the clamping mechanism 2. The telescopic member 23 drives the movable plate 22 and the clamping plate 25 to clamp the gauze piece and the chip bag respectively to achieve precise positioning. The rotation of the turntable 13 drives the clamping mechanism 2 to rotate to achieve sequence change. The sequence change has low labor intensity and high efficiency, the chip bag and the gauze piece are accurately positioned, and the operation is simple and convenient.

[0063] When in use, the servo motor 11 drives the reducer 12 to drive the turntable 13 to rotate, and the rotation of the turntable 13 drives the clamping mechanism 2 connected thereto to rotate, and the clamping mechanism 2 clamps the gauze piece to the sewing station, with low labor intensity and high efficiency.

[0064] When in use, the turntable 13 of the circular flat plate structure has good stability during rotation, and the receiving hole 14 arranged in the center is used to accommodate the rotary joint 31 of the gas source access device 3, so that the rotary joint is not affected by the rotation of the turntable 13 during the gas supply process and occupies little space.

[0065] When in use, the clamping mechanism 2 is used to clamp the gauze piece before the sequence is changed, and to clamp the gauze piece during the sequence change. When clamping, the telescopic member 23 drives the movable plate 22 to rotate around the ear seat to open and close the gauze piece.

[0066] When in use, a space is formed between the tooth plates at the front ends of the fixed plate 21 and the movable plate 22, which is light in weight. During the rotation of the turntable 13, the centrifugal force of the gauze piece clamped by the fixed plate 21 and the movable plate 22 is reduced, thereby preventing the gauze piece from escaping from the clamping of the fixed plate 21 and the movable plate 22 during the clamping rotation; secondly, during the process of the movable plate 22 quickly moving downward and opening and closing with the fixed plate 21, the disturbed air is allowed to circulate between the tooth plates, thereby preventing the soft and lightweight gauze piece from being blown out of place.

[0067] When in use, the chip bag sewn into one with the gauze piece is transported to the set position of the gauze piece by the chip bag conveyor line before sewing. Afterwards, the clamping plate 25 is driven by another telescopic member 23 to tighten the chip bag to the gauze piece, and then the chip bag is sewn into one with the gauze piece along a circular route along the pinholes on the pinhole plate 24 through the sewing equipment. The positioning accuracy is high and it is not easy to be misplaced.

[0068] During installation, the mounting plate 33 of the air source access device 3 is fixed to the frame of the assembly line. During use, during the rotation of the turntable 13, the axial force of the rotary joint 31 that cooperates with the center hole of the limit plate 32 is in a rotating state, and air is supplied to the telescopic part 23 while rotating.

[0069] When in use, the multiple clamping mechanisms 2 arranged on the turntable 13 can be in a state where one of the clamping mechanisms 2 is clamping the gauze piece and is in a sewing state, while another clamping mechanism 2 corresponding to the conveying line is in a working state of clamping the gauze piece, and the remaining clamping mechanisms 2 are in a pending state.

[0070] The above-mentioned embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The embodiments and features in the embodiments of the present application can be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A tower type rotating clamping station, characterized by: It comprises a turret (1), a clamping mechanism (2) and an air source access device (3); the fixed plate (21) of the clamping mechanism (2) and the fixed end of the telescopic member (23) are connected to the turntable (13) of the turret (1); the air source access device (3) is arranged in a receiving hole (14) at the center of the turntable (13); during the rotation of the turntable (13), the air source is supplied to the telescopic member (23); the telescopic member (23) drives the movable plate (22) of the clamping mechanism (2) to open and close and cooperate with the fixed plate (21) to clamp an object; The clamping mechanism (2) comprises a movable plate (22) located on the upper side of the fixed plate (21), and a telescopic member (23) connected to the movable plate (22), wherein a movable ear seat is connected to the telescopic end of the telescopic member (23); The fixed plate (21) and the movable plate (22) are flat plates, and tooth plates corresponding to each other are arranged at the front ends; A pinhole plate (24) is disposed on one side of the fixed plate (21), a clamping plate (25) is disposed on the upper side corresponding to the pinhole plate (24), and the clamping plate (25) is connected to another telescopic member (23).

2. The tower type rotary clamping station according to claim 1 is characterized in that: The turret (1) comprises a reducer (12) connected to the servo motor (11), and a rotating disk (13) connected to the output end of the reducer (12).

3. The tower type rotating clamping station and clamping method according to claim 2 are characterized in that: The rotating disk (13) is a circular flat plate with a receiving hole (14) arranged at the center.

4. The tower type rotating clamping station according to claim 1 is characterized in that: The gas source access device (3) comprises a limit plate (32) that is axially matched with the rotary joint (31), and a mounting plate (33) that is connected to the lower side of the rotary joint (31); the limit plate (32) is located on the upper side of the rotary disk (13) and is connected and fixed thereto.

5. The tower type rotary clamping station according to claim 1 is characterized in that: The clamping mechanisms (2) are multiple in number and are evenly distributed along the edge of the rotating disk (13).

6. The clamping method of the tower type rotating clamping station according to any one of claims 1 to 5, characterized in that: It includes the following steps: S1, turning on the air source switch between the air supply source and the rotary joint (31); at this time, one of the clamping mechanisms (2) located on the turntable (13) corresponds to the output end of the assembly line conveying equipment, and the movable plate (22) and the clamping plate (25) are in an open state; S2, the assembly line conveying equipment conveys the gauze piece to the fixed plate (21) of the clamping mechanism (2); the telescopic end of the telescopic member (23) extends, driving the movable plate (22) to rotate around the ear seat to clamp the gauze piece; S3, the PLC control system controls the servo motor (11) and the reducer (12) to turn on the power supply, and the servo motor (11) drives the reducer (12) to drive the turntable (13) to rotate, and the turntable (13) drives the clamping mechanism (2) holding the gauze piece to reach the sewing station and stops; S4, after the chip bag conveyor line conveys the chip bag to the gauze sheet corresponding to the pinhole plate (24), the telescopic end of another telescopic member (23) of the clamping mechanism (2) is extended to drive the clamping plate (25) to clamp the chip bag located on the gauze sheet.

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