CN112899900A

CN112899900A - Sewing unit for processing belly pad

Info

Publication number: CN112899900A
Application number: CN202110235793.5A
Authority: CN
Inventors: 刘航东
Original assignee: Suzhou Transparent Electronic Technology Co Ltd
Current assignee: Suzhou Transparent Electronic Technology Co Ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-06-04

Abstract

The invention innovatively provides a sewing unit for processing an abdominal pad, which comprises a rack, wherein the rack comprises a sewing machine, the rack also comprises a clamping mechanism, a transfer mechanism and a material picking mechanism, the clamping mechanism comprises a cross beam and two groups of clamping arms, one side of any group of clamping arms is also provided with a first translation power source, the first translation power source drives the group of clamping arms to move on a horizontal plane so as to enable the group of clamping arms to calibrate corresponding hems of the abdominal pad on a hemming processing device, one side of the cross beam is provided with a second translation power source, the second translation power source drives the cross beam to move on the horizontal plane so as to enable the two groups of clamping arms to be close to or far away from a mark belt on the hemming processing device for feeding and hemming the abdominal pad, the transfer mechanism comprises a sliding plate, an upper pressing plate and two vertical plates, the material picking mechanism comprises a plurality of groups of pressing rods, and a material; the invention has the advantages of accurate sewing, high sewing efficiency and neat material picking and stacking.

Description

Sewing unit for processing belly pad

Technical Field

The invention relates to the technical field of belly pad production equipment, in particular to a sewing unit for belly pad processing.

Background

In the process of operation of human body, the medical use needs to wipe the blood on the operation incision and the operation apparatus by the belly pad to conveniently see the relevant parts of the human body clearly and accurately perform the operation, so the demand of hospitals increases year by year, the production efficiency of manufacturers needs to be improved along with the demand, the production process of the belly pad at present is replaced by automatic production, automatic production equipment inevitably comprises a conveying mechanism, a turnover mechanism and a sewing mechanism, the invention relates to a sewing mechanism in the automatic production, a sewing unit in the invention is matched with a flanging processing device, the sewing mechanism is an important mechanism for determining qualified products of the belly pad in the automatic production line, the existing belly pad needs to be flanged firstly and then provided with a label tape and finally sewn, and as is known, a complete and qualified belly pad has two layers or more, the other type of automatic production is that the belly pad after the edge folding and the upper marking belt are conveyed to the lower part of a sewing machine set through a transfer hand or a transmission belt, the belly pad is pulled by a pulling hand at one side to try to sew, and the transmission belt is conveyed to a collection box after the sewing is finished, the belly pad is easy to have position deviation in the conveying process of the sewing method, so that the subsequent sewing is not neat, and the belly pad can not be neatly stacked by direct transmission of a transmission belt after sewing is finished, so that the subsequent manual picking of finished products is overlarge, the production efficiency is low, the finished products are overhigh, and the like.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the sewing unit for processing the belly pad, which is accurate in sewing, high in sewing efficiency and orderly in material picking and stacking, and is used for overcoming the defects in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a sewing unit for processing an abdominal pad comprises a rack, wherein the rack comprises a sewing machine, the sewing machine is used for sewing the abdominal pad fabric after edge folding, the rack also comprises a clamping mechanism, a transfer mechanism and a material picking mechanism, the transfer mechanism is positioned between the clamping mechanism and the material picking mechanism, the clamping mechanism comprises a cross beam and two groups of clamping arms, the cross beam is horizontally positioned on a sewing platform, the two groups of clamping arms are horizontally arranged on the same side of the cross beam, the two groups of clamping arms are vertical to the cross beam, one side of any group of clamping arms is also provided with a first translation power source, the first translation power source drives the group of clamping arms to move on a horizontal plane so as to enable the group of clamping arms to calibrate the corresponding edge folding of the abdominal pad on an edge folding processing device, one side of the cross beam is provided with a second translation power source, and the second translation power source drives the cross beam to move on the horizontal plane, the two groups of clamping arms are close to or far away from the belly pad which is fed with the label tape and folded on the edge folding processing device, and are used for clamping the belly pad which is fed with the label tape and folded on the edge folding processing device;

the transfer mechanism comprises a sliding plate, an upper pressing plate and two vertical plates, wherein the upper pressing plate and the two vertical plates are positioned at the bottom of the sliding plate, the two vertical plates are horizontally arranged, a pressed space is formed between the two vertical plates, the upper pressing plate is positioned right above the pressed space, a third translational power source and a fourth translational power source are arranged on the sliding plate, the third translational power source drives the sliding plate to move in the horizontal direction, so that the upper pressing plate is positioned above an abdominal pad between the clamping arm and the sewing platform, the pressed space is positioned below the abdominal pad between the clamping arm and the sewing platform, and the fourth translational power source drives the upper pressing plate to move in the vertical direction, so that the upper pressing plate presses the abdominal pad between the clamping arm and the sewing platform into the pressed space;

pick up material mechanism includes the multiunit and presses the depression bar, be equipped with the material door of receiving on the base of sewing machine one side, the multiunit press two liang of mutual symmetries of depression bar to set up in slide movement track both sides, and the multiunit press the depression bar all to be located and receive the material door top, the multiunit be equipped with corresponding cylinder of pressing on the depression bar respectively, press the cylinder drive press the depression bar and move in vertical direction, so that press the depression bar and press and open the belly pad of receiving the material door and being located and receive the material door top and fall.

Further, it is two sets of the centre gripping arm all includes sewing punch holder and sewing lower plate, the sewing punch holder includes first riser and abrupt strip, the abrupt strip is located the bottom of first riser side, the sewing lower plate includes second riser and sewing clamp plate, the sewing clamp plate level is located the bottom of second riser side, still be equipped with the fifth translation power supply on the second riser side that the sewing clamp plate is located, the drive of fifth translation power supply the first riser moves in vertical direction, so that the belly pad hem department that the abrupt strip will be between abrupt strip and the sewing clamp plate presses or breaks away from the sewing clamp plate.

Furthermore, the upper pressing plate is of an inverted L shape and comprises a horizontal pressing portion and a vertical inserting portion, a limiting plate parallel to the horizontal pressing portion is arranged on the inner side face of the vertical inserting portion, a sliding column is arranged between the limiting plate and the horizontal low-pressure portion, and a buffer spring is sleeved on the sliding column.

Furthermore, one side of the protruding strip departing from the first vertical plate and one side of the sewing pressing plate departing from the second vertical plate are on the same vertical surface.

Furthermore, a sixth translation power source is arranged on any vertical plate, and the sixth translation power source drives any vertical plate to move on the horizontal plane so as to increase the pressure-bearing space.

Furthermore, a seventh translation power source and an eighth translation power source are further arranged on the base, the seventh translation power source drives the sewing machine to move in the horizontal direction so that a sewing needle of the sewing machine can calibrate the hem of the belly pad, and the eighth translation power source drives the sewing machine to move in the horizontal direction so that the sewing needle of the sewing machine can sew along the hem of the belly pad.

The invention has the beneficial effects that: 1. the two groups of clamping arms move to the flanging processing device to clamp and transfer the flanging and the belly pad loaded by the label tape to a sewing platform for sewing, the two groups of clamping arms are always accurately and stably clamped on the two flanging edges of the belly pad in the clamping process, and the two flanging edges are prevented from falling off or deviating in the transfer process, so that the subsequent sewing is influenced, namely the arrangement of the two groups of clamping arms can improve the transfer efficiency of the belly pad and the qualification rate of the belly pad;

2. the sewing machine can move left and right in the horizontal direction to realize the hem sewing of the belly pad, the front and back movement is the process of realizing the sewing, the left and right movement is the process of calibrating the hem sewing position with the sewing needle, compared with the mode that the sewing machine does not move and moves the belly pad in the prior art, the sewing mode in the scheme can enable the sewing needle to be always kept on the hem during sewing, the sewing is neat, and the sewing efficiency is high;

3. the belly pad after accomplishing the sewing through transfer mechanism impresses in the pressurized space between two risers, makes the belly pad in the pressurized space of impressing not break away from through the centre gripping of two risers, through transfer mechanism transfer to receiving the bin gate on, press down and loosen the riser through pick-up mechanism and make the belly pad break away from to receiving the bin gate on, press down and make receiving the bin gate open, and lie in stable orderly the falling of belly pad on receiving the bin gate and stack to the collecting box in.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a view showing a positional relationship between a sewing machine and a clamp mechanism according to the present invention;

FIG. 3 is a block diagram of the clamping mechanism of the present invention;

fig. 4 is a structural view of the transfer mechanism of the present invention.

Reference numerals: 1. a frame; 2. a sewing machine; 21. a sewing platform; 3. a clamping mechanism; 31. a cross beam; 32. a clamp arm; 321. sewing an upper clamping plate; 3211. a first vertical plate; 3212. protruding strips; 322. sewing the lower clamping plate; 3221. a second vertical plate; 3222. sewing the pressing plate; 323. a fifth translational power source; 33. a first translational power source; 4. a transfer mechanism; 41. a slide plate; 42. a vertical plate; 43. a third translational power source; 44. a fourth translational power source; 451. a horizontal pressing part; 452. a vertical insertion portion; 5. a material picking mechanism; 51. a pressing lever; 52. a pressing cylinder; 6. a second translational power source; 7. a pressurized space; 8. a material receiving door; 9. a limiting plate; 10. a traveler; 11. a sixth translational power source; 12. and an eighth translational power source.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The embodiments of the invention will be described in further detail below with reference to the accompanying drawings:

as the prior belly pad needs to be folded firstly and then is provided with the label band and is sewn finally in the production process, as is well known, a complete and qualified belly pad has two layers or multiple layers, one belly pad can be folded and then is processed and sewn, or a plurality of belly pads are overlapped and then are processed and sewn, the prior sewing mode is divided into two modes, one mode is the traditional manual production, the folded edge and the belly pad provided with the label band are manually pushed into a sewing machine 2 to be sewn by a treading sewing machine 2, the sewing mode easily causes the problems of irregular sewing, low sewing efficiency and the like, the other mode is automatic production, the folded edge and the belly pad provided with the label band are conveyed to the lower part of a sewing machine 2 group by a transfer hand or a transmission band, the belly pad is pulled by a pull hand at one side to be sewn, and then conveyed to a collecting box by the transmission band after the sewing is finished, in the sewing mode, the position of the belly pad is easy to deviate in the transmission process, so that the subsequent sewing is irregular, and the belly pad cannot be stacked neatly by direct transmission through a transmission belt after the sewing is finished, so that the subsequent manual picking finished product is overlarge, the production efficiency is low, the finished product is overhigh and the like; therefore, the sewing unit for processing the belly pad is designed by the invention, the specific structure is shown in figure 1, the sewing unit comprises a frame 1, the frame 1 comprises a sewing machine 2, the sewing machine 2 is used for sewing hemmed belly pad fabrics, the frame 1 also comprises a clamping mechanism 3, a transfer mechanism 4 and a material picking mechanism 5, the transfer mechanism 4 is positioned between the clamping mechanism 3 and the material picking mechanism 5 (the invention comprises two groups of frames 1, one group of frames 1 is used for bearing the sewing machine 2 and the clamping mechanism 3, the other group of frames 1 is used for bearing the transfer mechanism 4 and the material picking mechanism 5, and the two groups of frames 1 are arranged side by side), as shown in figure 3, the clamping mechanism 3 comprises a cross beam 31 and two groups of clamping arms 32, the cross beam 31 is horizontally positioned on the sewing platform 21, the two groups of clamping arms 32 are horizontally arranged on the same side of the cross beam 31, and the two groups of clamping arms 32 are both vertical, one side of any group of the clamping arms 32 is further provided with a first translation power source 33 (a motor or a cylinder, in the present scheme, a motor and a transmission belt are adopted for transmission), the first translation power source 33 drives the group of the clamping arms 32 to move on a horizontal plane, so that the group of the clamping arms 32 calibrate the corresponding hems of the abdominal pad on the hemming processing device, as shown in fig. 2, one side of a cross beam 31 is provided with a second translation power source 6 (a motor or a cylinder, in the present scheme, a motor and a screw rod are adopted for transmission), the second translation power source 6 drives the cross beam 31 to move on the horizontal plane, so that the two groups of the clamping arms 32 are close to or far away from the abdominal pad on the hemming processing device after the feeding and hemming of the standard belt, the two groups of the clamping arms 32 are used for clamping the abdominal pad on the hemming processing device after the feeding and hemming of the standard belt, the two groups of the clamping arms 32 both comprise an upper sewing, the projected strips 3212 are located at the bottom of one side of the first vertical plate 3211 (the projected strips 3212 and the first vertical plate 3211 are perpendicular to each other to form an L-shape, the projected strips 3212 of the two sets of supporting arms face each other), the sewing lower clamp plate 322 comprises a second vertical plate 3221 and a sewing press plate 3222, the sewing press plate 3222 is horizontally located at the bottom of one side of the second vertical plate 3221 (the sewing press plate 3222 and the second vertical plate 3221 are perpendicular to each other to form an L-shape, the sewing press plates 3222 of the two sets of supporting arms face each other), a fifth translation power source 323 (air cylinder) is further provided on one side of the second vertical plate 3221, the fifth translation power source 323 drives the first vertical plate 3211 to move in the vertical direction, so that the projected strips 3212 press or separate from the sewing press plate 3222 at the hem of the abdominal pad between the projected strips 3212 and the sewing press or the abdominal pad 3222, which is loaded with the label tape, the two sets of clamping arms 32 move to the abdominal pad to the sewing platform 21 for sewing, two sets of centre gripping arms 32 are accurate stable all the time and are pressed from both sides on two hem edges of belly pad in the centre gripping in-process, avoid transferring two hem of in-process and drop or squint to cause the influence to subsequent sewing, the setting of two sets of centre gripping arms 32 promptly can improve belly pad transportation efficiency, and improves the qualification rate of belly pad.

As shown in fig. 4, the transfer mechanism 4 includes a sliding plate 41, an upper pressing plate and two vertical plates 42, the upper pressing plate and the two vertical plates 42 are both located at the bottom of the sliding plate 41, the two vertical plates 42 are horizontally disposed, and a pressure receiving space 7 is located between the two vertical plates 42 (the pressure receiving space 7 therein refers to the distance between the two vertical plates 42), the upper pressing plate is located right above the pressure receiving space 7, the sliding plate 41 is provided with a third translational power source 43 (a motor) and a fourth translational power source 44 (a cylinder), the third translational power source 43 drives the sliding plate 41 to move in the horizontal direction, so that the upper pressing plate is located above the abdominal pad between the clamping arm 32 and the sewing platform 21, and the pressure receiving space 7 is located below the abdominal pad between the clamping arm 32 and the sewing platform 21 (in this embodiment, the transfer mechanism 4 further includes a conveying belt horizontally laid above the material receiving door 8, the sliding plate 41, one end of the transmission belt extends to the upper part of the clamping mechanism 3, the motor rotates to drive the transmission belt to move, namely the sliding plate 41 moves along with the transmission belt), and the fourth translational force source 44 drives the upper pressure plate to move in the vertical direction, so that the upper pressure plate presses the belly pad between the clamping arm 32 and the sewing platform 21 into the pressed space 7; the upper pressing plate is of an inverted L shape and comprises a horizontal pressing part 451 and a vertical inserting part 452, a limiting plate 9 parallel to the horizontal pressing part 451 is arranged on the inner side surface of the vertical inserting part 452, a sliding column 10 is arranged between the limiting plate 9 and the horizontal low-pressure part, and a buffer spring (the buffer spring plays a role in buffering and prevents the upper pressing plate from being struck on the limiting plate 9 due to overlarge force) is sleeved on the sliding column 10; a sixth translation power source 11 (air cylinder) is arranged on any vertical plate 42, and the sixth translation power source 11 drives any vertical plate 42 to move on the horizontal plane so as to enlarge the pressurized space 7.

As shown in fig. 1, the material picking mechanism 5 includes a plurality of groups of pressing rods 51, a base on one side of the sewing machine 2 is provided with a material receiving door 8 (the material receiving door 8 in the present invention is hinged on the frame 1 with two door panels deviating from each other, and is similar to an old style window), the plurality of groups of pressing rods 51 are symmetrically arranged on two sides of the movement track of the sliding plate 41, and the plurality of groups of pressing rods 51 are all located above the material receiving door 8 (the distance between two opposite pressing rods 51 on two sides of the movement track of the sliding plate 41 is greater than the width of the abdomen pad, so that the pressing rods 51 are not directly pressed on the abdomen pad during pressing), the plurality of groups of pressing rods 51 are respectively provided with corresponding pressing cylinders 52, and the pressing cylinders 52 drive the pressing rods 51 to move in the vertical direction, so that the pressing rods 51 press the abdomen pad located above the material receiving; the beneficial effects are as follows: the belly pad after accomplishing the sewing through transfer mechanism 4 impresses in the pressurized space 7 between two risers 42, the belly pad that makes impress in the pressurized space 7 does not break away from through the centre gripping of two risers 42, transfer through transfer mechanism 4 to receiving on the bin gate 8, press down and loosen riser 42 through pick-up mechanism 5 and make the belly pad break away from to receiving on the bin gate 8, press and make receiving gate 8 open, and the belly pad that is located on receiving gate 8 stacks to the collecting box in stable orderly the falling.

As shown in fig. 3, in order to achieve better sewing effect and neat sewing thread, a side surface of the protrusion 3212 departing from the first riser 3211 and a side surface of the sewing pressing plate 3222 departing from the second riser 3221 are on the same vertical plane.

As shown in fig. 1, a seventh translational power source (a cylinder or a motor) and an eighth translational power source (a cylinder or a motor) are further arranged on the base, the seventh translational power source drives the sewing machine 2 to move in the horizontal direction, so that the sewing needle of the sewing machine 2 aligns at the hem of the belly pad, and the eighth translational power source 12 drives the sewing machine 2 to move in the horizontal direction, so that the sewing needle of the sewing machine 2 sews along the hem of the belly pad, and the purpose of the method is to enable the sewing needle of the sewing machine 2 to be aligned at the hem for sewing.

The working principle is as follows: firstly, the beam 31 is driven by a power source to make the clamping arm 32 at one side far away from the transfer mechanism 4 align with one edge of the belly pad on the edge folding processing device, then the clamping arm 32 at one side close to the moving mechanism is adjusted to align with the other edge of the belly pad on the edge folding processing device, the clamping arm 32 at the side is driven by the power source to move on the beam 31, the distance between the two groups of clamping arms 32 is adjusted, then the beam 31 is driven by the power source to move back and forth, so that the two groups of clamping arms 32 move to the belly pad of the edge folding processing device, the upper surface of the lower sewing clamp plate 322 is positioned at the bottom surface of the belly pad, the bottom surface of the upper sewing clamp plate 321 is positioned at the upper surface of the belly pad, the upper sewing clamp plate 321 is driven by the air cylinder to move downwards to press the edge of the belly pad to the lower sewing clamp plate 322, the sewing machine 2 sews the central line of the belly pad, after the central line is sewn, the sewing machine 2 moves towards one side or the clamping arm 32 moves towards one side of the sewing platform 21 to enable the sewing needle to be aligned with the folded edge for sewing, after two folded edges are sewn, the transfer mechanism 4 moves towards one side of the clamping mechanism 3 under the driving of the air cylinder, the upper pressing plate is higher than the clamping arm 32 at the moment, the two vertical plates 42 are lower than the clamping arm 32, therefore, the upper pressing plate and the two vertical plates 42 move between the sewing platform 21 and the clamping arm 32, the upper pressing plate moves downwards, the limiting plate 9 firstly presses the upper surface of the vertical plate 42 on the outer side, the air cylinder continuously drives the upper pressing plate downwards, the horizontal pressing part 451 of the upper pressing plate acts on the limiting plate 9, the vertical inserting part 452 presses the belly pad into the pressing space 7, at the moment, the air cylinder drives one vertical plate 42 to move towards the other vertical plate 42 to enable the pressed, then the top board shifts up and resets, and cylinder drive slide 41 removes to receiving 8 tops of bin gate, and two risers 42 draw and get the belly pad to receiving the bin gate 8 top, and two risers 42 are let go up, and the belly pad level drops on receiving bin gate 8, and at this moment, press the depression bar 51 to press down and make receiving bin gate 8 open, and the belly pad is along with receiving bin gate 8 and open in to middle landing to the collection box in the frame 1, realizes neatly stacking.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides an abdomen pad processing is with making up unit, includes frame (1), including sewing machine (2) on frame (1), sewing machine (2) are used for sewing the abdomen pad surface fabric after the hem, its characterized in that: the sewing machine is characterized in that the rack (1) further comprises a clamping mechanism (3), a transfer mechanism (4) and a material picking mechanism (5), the transfer mechanism (4) is located between the clamping mechanism (3) and the material picking mechanism (5), the clamping mechanism (3) comprises a cross beam (31) and two groups of clamping arms (32), the cross beam (31) is horizontally located on the sewing platform (21), the two groups of clamping arms (32) are horizontally arranged on the same side of the cross beam (31), the two groups of clamping arms (32) are perpendicular to the cross beam (31), one side of any one group of clamping arm (32) is further provided with a first translation power source (33), the first translation power source (33) drives the group of clamping arms (32) to move on the horizontal plane, so that the group of clamping arms (32) can calibrate corresponding hems of an upper abdominal pad of the hemming processing device, one side of the cross beam (31) is provided with a second translation power source (6), the second translation power source (6) drives the cross beam (31) to move on the horizontal plane, so that the two groups of clamping arms (32) are close to or far away from the belly pad which is fed with the label tape and folded on the edge folding processing device, and the two groups of clamping arms (32) are used for clamping the belly pad which is fed with the label tape and folded on the edge folding processing device;

the transfer mechanism (4) comprises a sliding plate (41), an upper pressing plate and two vertical plates (42), the upper pressing plate and the two vertical plates (42) are positioned at the bottom of the sliding plate (41), the two vertical plates (42) are horizontally arranged, a pressure space (7) is arranged between the two vertical plates (42), the upper pressing plate is positioned right above the pressure space (7), a third translation power source (43) and a fourth translation power source (44) are arranged on the sliding plate (41), the third translation power source (43) drives the sliding plate (41) to move in the horizontal direction, so that the upper pressing plate is positioned above an abdomen cushion between the clamping arm (32) and the sewing platform (21), the pressure space (7) is positioned below the abdomen cushion between the clamping arm (32) and the sewing platform (21), and the fourth translation power source (44) drives the upper pressing plate to move in the vertical direction, so that the upper pressure plate presses the belly pad between the clamping arm (32) and the sewing platform (21) into the pressure space (7);

pick up material mechanism (5) and include multiunit press ram (51), be equipped with receipts material door (8) on the base of sewing machine (2) one side, multiunit press ram (51) two liang of mutual symmetries to set up in slide (41) motion trail both sides, and multiunit press ram (51) all are located receipts material door (8) top, multiunit press ram (51) are last to be equipped with corresponding press cylinder (52) respectively, press cylinder (52) drive press ram (51) move in vertical direction, so that press ram (51) to press and open receipts material door (8) and be located the belly pad of receipts material door (8) top and fall down.

2. The sewing unit for belly pad processing according to claim 1, wherein: the two groups of clamping arms (32) respectively comprise an upper sewing clamping plate (321) and a lower sewing clamping plate (322), the upper sewing clamping plate (321) comprises a first vertical plate (3211) and a protruding strip (3212), the protruding strip (3212) is located at the bottom of one side surface of the first vertical plate (3211), the lower sewing clamping plate (322) comprises a second vertical plate (3221) and a sewing pressing plate (3222), the sewing pressing plate (3222) is horizontally located at the bottom of one side surface of the second vertical plate (3221), a fifth translation power source (323) is further arranged on one side surface of the second vertical plate (3221) where the sewing pressing plate (3222) is located, and the fifth translation power source (323) drives the first vertical plate (3211) to move in the vertical direction, so that the protruding strip (3212) presses or separates from a hem of an abdominal pad between the protruding strip (3212) and the sewing pressing plate (3222).

3. The sewing unit for belly pad processing according to claim 1, wherein: the upper pressing plate is of an inverted L shape and comprises a horizontal pressing portion (451) and a vertical inserting portion (452), a limiting plate (9) parallel to the horizontal pressing portion (451) is arranged on the inner side face of the vertical inserting portion (452), a sliding column (10) is arranged between the limiting plate (9) and the horizontal low-pressure portion, and a buffer spring is sleeved on the sliding column (10).

4. The sewing unit for belly pad processing according to claim 2, wherein: one side surface of the protruding strip (3212) departing from the first vertical plate (3211) and one side surface of the sewing pressing plate (3222) departing from the second vertical plate (3221) are on the same vertical plane.

5. The sewing unit for belly pad processing according to claim 1, wherein: a sixth translation power source (11) is arranged on any vertical plate (42), and the sixth translation power source (11) drives any vertical plate (42) to move on the horizontal plane so as to enlarge the pressure space (7).

6. The sewing unit for belly pad processing according to claim 1, wherein: the base is further provided with a seventh translation power source and an eighth translation power source, the seventh translation power source drives the sewing machine (2) to move in the horizontal direction so that a sewing needle of the sewing machine (2) can calibrate the hem of the belly pad, and the eighth translation power source (12) drives the sewing machine (2) to move in the horizontal direction so that the sewing needle of the sewing machine (2) can sew along the hem of the belly pad.