A folding and shaping device for a sleeve crotch machine

Abstract

The invention discloses a folding and shaping device for a sleeve slit machine, belonging to the technical field of sewing machines, comprising an auxiliary folding and shaping mechanism and a cloth folding and shaping mechanism, wherein the auxiliary folding and shaping mechanism is provided with a first lifting component, a horizontal sliding component and a folding component, and the cloth folding and shaping mechanism is provided with a folding component and a second lifting component. The invention has the following beneficial effects: after the corners of the sleeve slit cloth are auxiliary folded by an automatic control machine, the sleeve slit cloth is driven to be flipped and folded downward by a flipping motor, and no manual operation is required in the whole process, which not only improves the working efficiency of the sleeve slit machine, but also saves labor costs and meets the needs of industrial production.

Description

Technical Field

[0001] The invention belongs to the technical field of sewing machines, in particular to a folding and shaping device for a sleeve cuff machine. Background Art

[0002] Nowadays, with the advancement of automation in the sewing machine field, some simple manual operations in the sewing machine industry have basically been replaced by machine automation. This is an inevitable trend of the development of the times. On shirts and other clothes, sleeve slits are generally provided for loosening or tightening cuffs, which is both practical and aesthetic. Since the sleeve slit is not a regular cloth as a whole, it has a sword head, and it is necessary to reserve sewing positions for the corners of the sleeve slit cloth, it is necessary to manually fold the sewing edges, right-angled edges, triangular edges, triangular tips, and rectangular notches of the sleeve slit for better sewing; and the prior art generally clamps the sleeve slit with a folding clip in a folding assembly, and then drives the folding clip to flip and fold upwards through a flipping motor, with the back of the sword head of the sleeve slit facing upwards. If it is sewn directly, the sleeve slit will be sewn from the back, and neat stitches will appear behind the sleeve slit, while the stitches on the sword head of the sleeve slit that needs to be displayed will be messy, which is not in line with actual use. In order to ensure that the sleeve slit is sewn from the front, it is also necessary for the operator to manually turn the sleeve slit after folding upwards over so that the sword head faces upwards for sewing. Therefore, there are two tasks in the folding and shaping process of the sleeve slit machine that require manual operation, which affects the working efficiency of the sleeve slit machine and requires a lot of manpower costs, which does not meet the needs of industrial production. Summary of the invention

[0003] The present invention provides a folding and shaping device for a sleeve slit machine, which performs auxiliary folding on the corners of a sleeve slit fabric by an automatic control machine, and then drives the sleeve slit fabric to be flipped and folded downward by a flipping motor, and does not require manual operation throughout the process. This not only improves the working efficiency of the sleeve slit machine, but also saves labor costs, thereby meeting the needs of industrial production.

[0004] In order to achieve the above-mentioned object of the invention, the present invention provides the following technical solutions:

[0005] A folding and shaping device for a sleeve crotch machine comprises an auxiliary folding and shaping mechanism and a cloth folding and shaping mechanism, wherein:

[0006] The auxiliary folding and shaping mechanism is provided with a first lifting component, a horizontal sliding component and a folding component.

[0007] The first lifting assembly includes a lifting cylinder, a lifting rail, a lifting slider, a mounting plate, and a lifting adjustment seat. The lifting cylinder is connected to the lifting adjustment seat through a piston rod, the lifting rail is mounted on the lifting adjustment seat, the lifting slider is sleeved on the lifting rail, the lifting slider is mounted on the mounting plate, and the lifting cylinder is connected to the mounting plate;

[0008] The horizontal sliding assembly includes a horizontal sliding cylinder, a connecting plate, a horizontal sliding track, a horizontal sliding slider, and a connecting block. The horizontal sliding cylinder is connected to the connecting block through a piston rod. The connecting plate is installed on the horizontal sliding slider. The horizontal sliding slider is sleeved on the horizontal sliding track. The horizontal sliding track is installed on the connecting block.

[0009] The folding assembly includes a bottom plate and a folding positioner. A push cylinder and a folding sheet are arranged on the folding positioner. The push cylinder is mounted on the bottom plate. The folding sheet is mounted on the push cylinder. The push cylinder drives the push sheet to move forward and backward. The lifting adjustment seat is connected to the connecting plate, and the connecting block is connected to the bottom plate.

[0010] The cloth folding and shaping mechanism is provided with a folding assembly and a second lifting assembly.

[0011] The folding assembly includes a flip motor, a flip motor seat, a first clamping cylinder, a second clamping cylinder, an upper clamping piece, a first lower clamping piece, a positioning piece, and a second lower clamping piece. The flip motor is mounted on the flip motor seat, and the output end of the flip motor passes through the flip motor seat and is connected to the first clamping cylinder. The upper clamping piece and the first lower clamping piece are mounted on the first clamping cylinder, and the positioning piece and the second lower clamping piece are mounted on the second clamping cylinder. The first clamping cylinder controls one end of the upper clamping piece to tilt up or press the first lower clamping piece.

[0012] The second lifting component includes a lifting motor, a lifting screw seat, a lifting connector, and a material folding adjustment seat. The lifting motor is installed on the material folding adjustment seat. The lifting screw seat is installed on the material folding adjustment seat. A screw is arranged in the lifting screw seat. The screw is connected to the output end of the lifting motor. The lifting connector is installed on the screw. The lifting connector is fixedly connected to the flipping motor seat. The flipping motor passes through the material folding adjustment seat and is installed on the flipping motor seat.

[0013] Preferably, the folding positioner includes a seam edge folding positioner, a right-angle edge folding positioner, a triangular edge folding positioner, a triangular tip folding positioner, and a plane folding positioner. The seam edge folding positioner is used to fold the seam edge, the right-angle edge folding positioner is used to fold the right-angle edge, the triangular edge folding positioner is used to fold the triangular edge, the triangular tip folding positioner is used to fold the triangular tip, and the plane folding positioner is used to fold the rectangular plane next to the sword head.

[0014] Preferably, the plane folding positioner includes a plane folding sheet, a folding seat, a connecting sheet, a plane pushing cylinder, and a cylinder adjusting seat. The plane folding sheet is installed at one end of the folding seat, and a fixing hole is provided at the other end of the folding seat. The folding seat is installed on the cylinder adjusting seat through the fixing hole. The folding seat is provided with a mounting hole, and the connecting sheet is installed on the folding seat through the mounting hole. The connecting sheet is installed on the plane pushing cylinder, the plane pushing cylinder is installed on the cylinder adjusting seat, and the cylinder adjusting seat is installed on the bottom plate. Such an arrangement can ensure that no matter where the thrust applied to the plane folding sheet is, the plane folding sheet must follow an arc-shaped motion trajectory with the fixing hole as the center and the length of the folding seat as the radius. In this way, it can be ensured that the area swept by the plane folding sheet is an arc-shaped plane, rather than being folded along the edge. In this way, the rectangular part can be completely folded up, presenting a rectangular notch on the sleeve cuff.

[0015] Preferably, the mounting hole is arranged in the middle of the folding seat. When the planar pushing cylinder pushes the connecting piece forward, the distance the planar folding piece moves forward is proportional to the distance the connecting piece moves forward, so it is easier to control and adjust the extension distance of the planar folding piece.

[0016] Preferably, the fabric folding and shaping mechanism is also provided with a working cavity, which includes a positioning template and a suction seat, a negative pressure chamber is provided in the suction seat, the positioning template corresponds to the positioning piece, and the negative pressure chamber in the suction seat can generate negative pressure, which can absorb the turned sleeve cuff fabric to prevent it from scattering.

[0017] Preferably, a withdrawal assembly is also provided below the working chamber, and the withdrawal assembly includes a support seat, a linear bearing, a linear shaft, and a linear shaft seat. The linear bearing is installed on the support seat, and the linear shaft passes through the linear bearing and is connected to the linear shaft seat. The support seat is installed at the bottom of the suction seat, and the linear shaft seat is connected to the material folding adjustment seat. The linear shaft can perform pulling and pulling movements in the linear bearing, thereby driving the linear shaft seat to perform pulling and pulling movements. The linear shaft seat is connected to the material folding adjustment seat, and the material folding adjustment seat drives the material folding assembly to perform pulling and pulling movements. After the sleeve slit fabric is folded, the pulling and pulling assembly drives the material folding assembly to be pulled out from the sleeve slit fabric, and the folded sleeve slit fabric is subjected to the next process.

[0018] Preferably, a middle separator is also provided at the bottom of the first lower clamping piece, and the middle separator is installed on the first clamping cylinder through a middle separator seat. The middle separator can separate the first lower clamping piece from the second lower clamping piece during the flipping process to provide a buffering effect.

[0019] Preferably, a lifting adjustment seat is also installed on the folding material adjustment seat, the screw rod passes through the lifting connector and is connected to the lifting adjustment seat, and the lifting adjustment seat is arranged on the top of the screw rod, which can limit the lifting connector from continuing to move upward after meeting the lifting adjustment seat.

[0020] Preferably, a limiting groove is provided on the folding material adjustment seat, and the flip motor seat passes through the limiting groove and is connected to the lifting connector to ensure that the flip motor seat can only perform lifting and lowering movements within the range limited by the limiting groove.

[0021] Preferably, a slide rail is also provided on the folding material adjustment seat, a slider is provided on the slide rail, the slider is connected to the flip motor seat, and the cooperation between the slide rail and the slider can improve the smoothness of the rise or fall of the flip motor seat.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The present invention drives the lifting connector to perform lifting movement in the vertical direction through the lifting motor, and the lifting connector is connected to the flip motor seat, so that the lifting motor drives the folding assembly to perform lifting movement. After the lifting motor lifts the folding assembly, the first clamping cylinder controls the upper clamping piece to tilt up, and the sleeve slit fabric is placed above the positioning piece, and the sleeve slit surface to be flipped is placed above the first lower clamping piece. The first clamping cylinder controls the upper clamping piece to fall down and clamp the flipped sleeve slit surface. The sleeve slit fabric is larger than the positioning piece and the upper clamping piece, but the positioning piece and the upper clamping piece are lifted. The corners of the sleeve slit fabric will naturally droop under the action of gravity, and then the bottom plate is driven to move to the sleeve slit by the lifting cylinder and the horizontal sliding cylinder. The pushing cylinder of the folding positioner pushes out the folding piece, and the corners of the sleeve slit fabric are folded to the back of the sleeve slit fabric for shaping, thereby obtaining a standard sleeve slit fabric, and then the pushing cylinder is retracted to complete the auxiliary folding and shaping operation.

[0024] After auxiliary folding and shaping, the sleeve slit fabric is controlled by the flipping motor to flip the first clamping cylinder and the clamped flipping sleeve slit surface downward to the bottom of the second lower clamping piece. The lifting motor then drives the flipping motor seat to descend to the workbench plane through the lifting connector, and the folding assembly also returns to the workbench plane. The negative pressure chamber in the suction seat generates negative pressure, which can suck the flipped sleeve slit fabric to prevent it from scattering. The second clamping cylinder controls the second lower clamping piece to clamp the sleeve slit fabric flipped to the back, completing the folding and shaping of the sleeve slit fabric. During the whole process, the sword head of the sleeve slit is in a state of facing up, and can directly enter the pressing sewing process for sewing. Moreover, the sewn seams are located on the front of the sword head of the sleeve slit, the seams of the sleeve slit are neat, and the overall appearance is good.

[0025] Therefore, in the present invention, the entire folding and shaping process of the sleeve crotch machine is automatically completed by the machine, does not require manual operation, and has high efficiency, can save manpower and time costs, and is beneficial to industrial production. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 It is a schematic diagram of the split structure of the auxiliary folding and shaping mechanism in the present invention;

[0028] Figure 3 It is a schematic diagram of the overall structure of the auxiliary folding and shaping mechanism in the present invention;

[0029] Figure 4 It is a side view structural schematic diagram of the auxiliary folding and shaping mechanism in the present invention;

[0030] Figure 5 It is a bottom view structural schematic diagram of the auxiliary folding and shaping mechanism in the present invention;

[0031] Figure 6 It is a schematic diagram of the structure of the folding assembly in the present invention;

[0032] Figure 7 It is a schematic diagram of the overall structure of the plane folding positioner in the present invention;

[0033] Figure 8 It is an exploded view of the plane folding positioner of the present invention;

[0034] Fig. 9 It is a schematic diagram of the split structure of the cloth folding and shaping mechanism in the present invention;

[0035] Fig.10 It is a schematic diagram of the overall structure of the cloth folding and shaping mechanism in the present invention;

[0036] Fig.11 It is a schematic diagram of the overall structure of the second lifting assembly and the material folding assembly in the present invention;

[0037] Fig.12 It is a schematic structural diagram of the folding material assembly in the present invention. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0040] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features; secondly, in the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0041] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixed" and the like should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to specific circumstances.

[0042] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0043] See also Figure 1-Figure 12 , Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the split structure of the auxiliary folding and shaping mechanism in the present invention; Figure 3 It is a schematic diagram of the overall structure of the auxiliary folding and shaping mechanism in the present invention; Figure 4 It is a side view structural schematic diagram of the auxiliary folding and shaping mechanism in the present invention; Figure 5 It is a bottom view structural schematic diagram of the auxiliary folding and shaping mechanism in the present invention; Figure 6 It is a schematic diagram of the structure of the folding assembly in the present invention; Figure 7 It is a schematic diagram of the overall structure of the plane folding positioner in the present invention; Figure 8 It is an exploded view of the plane folding positioner of the present invention; Fig. 9 It is a schematic diagram of the split structure of the cloth folding and shaping mechanism in the present invention;

[0044] Fig.10 It is a schematic diagram of the overall structure of the cloth folding and shaping mechanism in the present invention; Fig.11 It is a schematic diagram of the overall structure of the second lifting assembly and the material folding assembly in the present invention; Fig.12 It is a schematic structural diagram of the folding material assembly in the present invention.

[0045] The embodiment of the present invention provides a folding and shaping device for a sleeve slit machine. The names of the components corresponding to the numbers in the figure are as follows: a lifting cylinder 1, a lifting rail 2, a lifting slider 3, a mounting plate 4, a lifting adjustment seat 5, a horizontal sliding cylinder 6, a connecting plate 7, a horizontal sliding rail 8, a horizontal sliding slider 9, a connecting block 10, a bottom plate 11, a sewing edge folding positioner 12, a right-angle edge folding positioner 13, a triangular edge folding positioner 14, a triangular tip folding positioner 15, a plane folding positioner 16, a push cylinder 17, a folding sheet 18, a plane folding sheet 19, a folding seat 20, a connecting sheet 21, a plane push Material cylinder 22, cylinder adjustment seat 23, fixing hole 24, mounting hole 25, flip motor 26, flip motor seat 27, first clamping cylinder 28, second clamping cylinder 29, upper clamp 30, positioning plate 31, first lower clamp 32, second lower clamp 33, lifting motor 34, lifting screw seat 35, lifting connector 36, folding material adjustment seat 37, positioning template 38, suction seat 39, support seat 40, linear bearing 41, linear shaft 42, linear shaft seat 43, middle separator 44, middle separator seat 45, lifting adjustment seat 46, limiting groove 47, slide rail 48, slider 49.

[0046] A folding and shaping device for a sleeve crotch machine comprises an auxiliary folding and shaping mechanism and a cloth folding and shaping mechanism, wherein:

[0047] The auxiliary folding and shaping mechanism is provided with a first lifting component, a horizontal sliding component and a folding component.

[0048] The first lifting assembly includes a lifting cylinder 1, a lifting rail 2, a lifting slider 3, a mounting plate 4, and a lifting adjustment seat 5. The lifting cylinder 1 is connected to the lifting adjustment seat 5 through a piston rod, the lifting rail 2 is installed on the lifting adjustment seat 5, the lifting slider 3 is sleeved on the lifting rail 2, the lifting slider 3 is installed on the mounting plate 4, and the lifting cylinder 1 is connected to the mounting plate 4;

[0049] The horizontal sliding assembly includes a horizontal sliding cylinder 6, a connecting plate 7, a horizontal sliding rail 8, a horizontal sliding block 4, and a connecting block 10. The horizontal sliding cylinder 6 is connected to the connecting block 10 through a piston rod, the connecting plate 7 is installed on the horizontal sliding block 4, the horizontal sliding block 4 is sleeved on the horizontal sliding rail 8, and the horizontal sliding rail 8 is installed on the connecting block 10;

[0050] The folding assembly includes a bottom plate 11 and a folding positioner. A push cylinder 17 and a folding sheet 18 are provided on the folding positioner. The push cylinder 17 is installed on the bottom plate 11. The folding sheet 18 is installed on the push cylinder 17. The push cylinder 17 drives the push sheet to move forward and backward. The lifting adjustment seat 5 is connected to the connecting plate 7, and the connecting block 10 is connected to the bottom plate 11.

[0051] The cloth folding and shaping mechanism is provided with a folding assembly and a second lifting assembly.

[0052] The folding assembly includes a flip motor 26, a flip motor seat 27, a first clamping cylinder 28, a second clamping cylinder 29, an upper clamping piece 30, a first lower clamping piece 32, a positioning piece 31, and a second lower clamping piece 33. The flip motor 26 is mounted on the flip motor seat 27. The output end of the flip motor 26 passes through the flip motor seat 27 and is connected to the first clamping cylinder 28. The upper clamping piece 30 and the first lower clamping piece 32 are mounted on the first clamping cylinder 28. The positioning piece 31 and the second lower clamping piece 33 are mounted on the second clamping cylinder 29. The first clamping cylinder 28 controls one end of the upper clamping piece 30 to tilt up or press the first lower clamping piece 32.

[0053] The second lifting component includes a lifting motor 34, a lifting screw seat 35, a lifting connector 36, and a material folding adjustment seat 37. The lifting motor 34 is installed on the material folding adjustment seat 37, the lifting screw seat 35 is installed on the material folding adjustment seat 37, a screw is arranged in the lifting screw seat 35, the screw is connected to the output end of the lifting motor 34, the lifting connector 36 is installed on the screw, the lifting connector 36 is fixedly connected to the flipping motor seat 27, and the flipping motor 26 passes through the material folding adjustment seat 37 and is installed on the flipping motor seat 27.

[0054] The folding positioner includes a seam edge folding positioner 12, a right-angle edge folding positioner 13, a triangular edge folding positioner 14, a triangular tip folding positioner 15, and a plane folding positioner 16. The seam edge folding positioner 12 is used to fold the seam edge, the right-angle edge folding positioner 13 is used to fold the right-angle edge, the triangular edge folding positioner 14 is used to fold the triangular edge, the triangular tip folding positioner 15 is used to fold the triangular tip, and the plane folding positioner 16 is used to fold the rectangular plane next to the sword head.

[0055] The flat folding positioner 16 includes a flat folding sheet 19, a folding seat 20, a connecting sheet 21, a flat pushing cylinder 22, and a cylinder adjusting seat 23. The flat folding sheet 19 is installed at one end of the folding seat 20, and a fixing hole 24 is provided at the other end of the folding seat 20. The folding seat 20 is installed on the cylinder adjusting seat 23 through the fixing hole 24. The folding seat 20 is provided with a mounting hole 25. The connecting sheet 21 is installed on the folding seat 20 through the mounting hole 25. The connecting sheet 21 is installed on the flat pushing cylinder 22. The flat pushing cylinder 22 is installed on the cylinder adjusting seat 23. The cylinder adjusting seat 23 is installed on the bottom plate 11. Such an arrangement can ensure that no matter where the flat folding sheet 19 receives the thrust applied, the flat folding sheet 19 must be an arc-shaped motion trajectory with the fixing hole 24 as the center and the length of the folding seat 20 as the radius. In this way, it can be ensured that the area swept by the flat folding sheet 19 is an arc-shaped plane, rather than folded along the edge, so that the rectangular part can be completely folded up, presenting a rectangular notch on the sleeve cuff.

[0056] The mounting hole 25 is arranged in the middle of the folding seat 20. When the planar pushing cylinder 22 pushes the connecting piece 21 forward, the distance that the planar folding piece 19 moves forward is proportional to the distance that the connecting piece 21 moves forward, so it is easier to control and adjust the extension distance of the planar folding piece 19.

[0057] The fabric folding and shaping mechanism is also provided with a working cavity, which includes a positioning template 38 and a suction seat 39. A negative pressure chamber is provided in the suction seat 39. The positioning template 38 corresponds to the positioning piece 31. The negative pressure chamber in the suction seat 39 can generate negative pressure, which can absorb the turned sleeve cuff fabric to prevent it from scattering.

[0058] A withdrawal assembly is also provided below the working chamber, and the withdrawal assembly includes a support seat 40, a linear bearing 41, a linear shaft 42, and a linear shaft seat 43. The linear bearing 41 is installed on the support seat 40, and the linear shaft 42 passes through the linear bearing 41 and is connected to the linear shaft seat 43. The support seat 40 is installed at the bottom of the suction seat 39, and the linear shaft seat 43 is connected to the material folding adjustment seat 37. The linear shaft 42 can perform a pulling and pulling movement in the linear bearing 41, thereby driving the linear shaft seat 43 to perform a pulling and pulling movement. The linear shaft seat 43 is connected to the material folding adjustment seat 37, and the material folding adjustment seat 37 drives the material folding assembly to perform a pulling and pulling movement. After the sleeve slit fabric is folded, the pulling and pulling assembly drives the material folding assembly to be pulled out from the sleeve slit fabric, and the folded sleeve slit fabric proceeds to the next process.

[0059] A middle separator 44 is also provided at the bottom of the first lower clamp 32. The middle separator 44 is mounted on the first clamping cylinder 28 through a middle separator seat 45. The middle separator 44 can separate the first lower clamp 32 from the second lower clamp 33 during the flipping process to provide a buffering effect.

[0060] A lifting adjustment seat 46 is also installed on the folding material adjustment seat 37. The screw rod passes through the lifting connector 36 and is connected to the lifting adjustment seat 46. The lifting adjustment seat 46 is arranged on the top of the screw rod, which can limit the lifting connector 36 from continuing to move upward after meeting the lifting adjustment seat 46.

[0061] A limiting groove 47 is provided on the folding material adjustment seat 37 , and the flip motor seat 27 passes through the limiting groove 47 and is connected to the lifting connector 36 , ensuring that the flip motor seat 27 can only perform lifting and lowering movements within the range limited by the limiting groove 47 .

[0062] A slide rail 48 is also provided on the material folding adjustment seat 37 , and a slider 49 is provided on the slide rail 48 . The slider 49 is connected to the flip motor seat 27 . The cooperation between the slide rail 48 and the slider 49 can improve the smoothness of the rise or fall of the flip motor seat 27 .

[0063] The use and working method of the present invention are:

[0064] The lifting motor 34 is started, and the lifting connector 36 is driven to rise to a certain height through the screw rod. The lifting connector 36 drives the folding assembly to rise to a certain height, and the lifting motor 34 stops moving. The first clamping cylinder 28 controls the upper clamping piece 30 to tilt up, and the sleeve fabric is placed above the positioning piece 31. The sleeve surface that needs to be flipped is placed above the first lower clamping piece 32. The first clamping cylinder 28 controls the upper clamping piece 30 to fall, clamping the flipped sleeve surface.

[0065] At this time, the lifting assembly drives the folding assembly to descend, and the horizontal sliding assembly drives the folding assembly to move horizontally onto the sleeve fabric. The sleeve fabric is placed on the raised upper clamping piece 30 and the positioning piece 31. The corners of the sleeve fabric will naturally droop due to gravity. At this time, the pushing cylinder 17 pushes out the folding piece 18, and folds the corners of the sleeve fabric to the back of the sleeve fabric for shaping, thereby obtaining a standard sleeve fabric. The pushing cylinder 17 is then retracted to complete the auxiliary folding and shaping process.

[0066] Subsequently, the flipping motor 26 controls the first clamping cylinder 28 and the clamped flipped sleeve surface to flip downward to the bottom of the first lower clamping piece 32. The lifting motor 34 then drives the flipping motor seat 27 to descend to the workbench plane through the lifting connector 36. The folding assembly also returns to the workbench plane. The negative pressure chamber in the suction seat 39 generates negative pressure, which can suck the flipped sleeve fabric. The second clamping cylinder 29 controls the second lower clamping piece 33 to clamp the sleeve fabric flipped to the back, thereby completing the folding and shaping of the sleeve fabric.

[0067] Compared with the prior art, the present invention has the following beneficial effects:

[0068] The present invention drives the lifting connector 36 to perform lifting movement in the vertical direction through the lifting motor 34. The lifting connector 36 is connected to the flip motor seat 27, so that the lifting motor 34 drives the folding assembly to perform lifting movement. After the lifting motor 34 lifts the folding assembly, the first clamping cylinder 28 controls the upper clamping piece 30 to tilt up, and the sleeve slit fabric is placed above the positioning piece 31, and the sleeve slit surface to be flipped is placed above the first lower clamping piece 32. The first clamping cylinder 28 controls the upper clamping piece 30 to fall, clamping the flipped sleeve The sleeve slit fabric is larger than the positioning piece 31 and the upper clamping piece 30, but is lifted by the positioning piece 31 and the upper clamping piece 30. The corners of the sleeve slit fabric will naturally sag under the action of gravity, and then the bottom plate 11 is driven to move to the sleeve slit by the lifting cylinder 1 and the horizontal sliding cylinder 6. The pushing cylinder 17 of the folding positioner pushes out the folding piece 18, and folds the corners of the sleeve slit fabric to the back of the sleeve slit fabric for shaping, thereby obtaining a standard sleeve slit fabric, and then the pushing cylinder 17 is retracted to complete the auxiliary folding and shaping operation;

[0069] After the auxiliary folding and shaping of the sleeve slit fabric, the first clamping cylinder 28 and the clamped flipped sleeve slit surface are flipped downward to the bottom of the second lower clamping piece 33 through the flipping motor 26. The lifting motor 34 then drives the flipping motor seat 27 to descend to the workbench plane through the lifting connector 36, and the folding assembly also returns to the workbench plane. The negative pressure chamber in the suction seat 39 generates negative pressure, which can suck the flipped sleeve slit fabric to prevent it from scattering. The second clamping cylinder 29 controls the second lower clamping piece 33 to clamp the sleeve slit fabric flipped to the back, thereby completing the folding and shaping of the sleeve slit fabric. During the whole process, the sword head of the sleeve slit is in a state of facing up, and can directly enter the pressing and sewing process for sewing, and the sewn seams are located on the front of the sword head of the sleeve slit. The seams of the sleeve slit are neat and the overall appearance is good.

[0070] In summary, the present invention provides a folding and shaping device for a sleeve slit machine. The entire folding and shaping process of the sleeve slit machine is automatically completed by the machine, does not require manual operation, and has high efficiency, can save manpower and time costs, and is beneficial to industrial production.

[0071] The above are only preferred embodiments of the present invention. It should be noted that the above preferred embodiments should not be regarded as limiting the present invention, and the protection scope of the present invention should be based on the scope defined by the claims. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the spirit and scope of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A folding and shaping device for a sleeve crotch machine, characterized in that: It includes auxiliary folding and shaping mechanism and cloth folding and shaping mechanism, wherein: The auxiliary folding and shaping mechanism is provided with a first lifting assembly, a horizontal sliding assembly and a folding assembly, wherein the first lifting assembly includes a lifting cylinder, a lifting rail, a lifting slider, a mounting plate, and a lifting adjustment seat, wherein the lifting cylinder is connected to the lifting adjustment seat through a piston rod, the lifting rail is mounted on the lifting adjustment seat, the lifting slider is sleeved on the lifting rail, the lifting slider is mounted on the mounting plate, and the lifting cylinder is connected to the mounting plate; The horizontal sliding assembly comprises a horizontal sliding cylinder, a connecting plate, a horizontal sliding rail, a horizontal sliding slider, and a connecting block. The horizontal sliding cylinder is connected to the connecting block via a piston rod. The connecting plate is mounted on the horizontal sliding slider. The horizontal sliding slider is sleeved on the horizontal sliding rail. The horizontal sliding rail is mounted on the connecting block. The folding assembly includes a bottom plate and a folding positioner, the folding positioner is provided with a push cylinder and a folding sheet, the push cylinder is mounted on the bottom plate, the folding sheet is mounted on the push cylinder, the push cylinder drives the folding sheet to move forward and backward, the lifting adjustment seat is connected to the connecting plate, and the connecting block is connected to the bottom plate; The cloth folding and shaping mechanism is provided with a folding assembly and a second lifting assembly. The folding assembly comprises a flip motor, a flip motor seat, a first clamping cylinder, a second clamping cylinder, an upper clamping piece, a first lower clamping piece, a positioning piece, and a second lower clamping piece. The flip motor is mounted on the flip motor seat, and the output end of the flip motor is connected to the first clamping cylinder through the flip motor seat. The upper clamping piece and the first lower clamping piece are mounted on the first clamping cylinder, and the positioning piece and the second lower clamping piece are mounted on the second clamping cylinder. The first clamping cylinder controls one end of the upper clamping piece to tilt up or press the first lower clamping piece. The second lifting assembly includes a lifting motor, a lifting screw seat, a lifting connector, and a folding material adjustment seat, wherein the lifting motor is mounted on the folding material adjustment seat, the lifting screw seat is mounted on the folding material adjustment seat, a screw is arranged in the lifting screw seat, the screw is connected to the output end of the lifting motor, the lifting connector is mounted on the screw, the lifting connector is fixedly connected to the flip motor seat, and the flip motor passes through the folding material adjustment seat and is mounted on the flip motor seat; The folding positioner includes a seam edge folding positioner, a right angle edge folding positioner, a triangular edge folding positioner, a triangular tip folding positioner, and a plane folding positioner; The plane folding positioner comprises a plane folding sheet, a folding seat, a connecting sheet, a plane pushing cylinder, and a cylinder adjusting seat. The plane folding sheet is mounted on one end of the folding seat, and a fixing hole is provided at the other end of the folding seat. The folding seat is mounted on the cylinder adjusting seat through the fixing hole. The folding seat is provided with a mounting hole. The connecting sheet is mounted on the folding seat through the mounting hole. The connecting sheet is mounted on the plane pushing cylinder, and the plane pushing cylinder is mounted on the cylinder adjusting seat. The cloth folding and shaping mechanism is also provided with a working cavity, and the working cavity includes a positioning template and an air suction seat, a negative pressure chamber is provided in the air suction seat, and the positioning template corresponds to the positioning sheet; A withdrawal assembly is also provided below the working chamber, and the withdrawal assembly includes a support seat, a linear bearing, a linear shaft, and a linear shaft seat. The linear bearing is installed on the support seat, and the linear shaft passes through the linear bearing and is connected to the linear shaft seat. The support seat is installed at the bottom of the suction seat, and the linear shaft seat is connected to the folding material adjustment seat. A middle partition is also provided at the bottom of the first lower clamping piece, and the middle partition is installed on the first clamping cylinder through a middle partition seat.

2. The folding and shaping device of a sleeve crotch machine according to claim 1, characterized in that: The mounting hole is arranged in the middle of the folding seat.

3. The folding and shaping device of a sleeve crotch machine according to claim 1, characterized in that: A lifting adjustment seat is also installed on the folding material adjustment seat, and the screw rod passes through the lifting connector and is connected with the lifting adjustment seat.

4. The folding and shaping device of a sleeve crotch machine according to claim 1, characterized in that: The folding material adjustment seat is provided with a limiting groove, and the flip motor seat passes through the limiting groove and is connected with the lifting connector.

5. The folding and shaping device of a sleeve crotch machine according to claim 1, characterized in that: A slide rail is also arranged on the material folding adjustment seat, a slider is arranged on the slide rail, and the slider is connected to the flip motor seat.

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