CN214458705U

CN214458705U - High-precision sewing machine

Info

Publication number: CN214458705U
Application number: CN202023087691.3U
Authority: CN
Inventors: 丁峰
Original assignee: Nantong Yawen Textile Co ltd
Current assignee: Nantong Yawen Textile Co ltd
Priority date: 2020-12-19
Filing date: 2020-12-19
Publication date: 2021-10-22
Anticipated expiration: 2030-12-19

Abstract

The application relates to a high-precision sewing machine, which relates to the field of sewing machines and comprises a workbench, wherein a sewing mechanism is arranged on the workbench, a feeding component for conveying sewing finished cloth is also arranged on the workbench, and the feeding component is positioned at the output end of the sewing mechanism; the feeding assembly comprises a conveying belt and conveying rollers, the conveying rollers are arranged oppositely along the conveying direction of the conveying belt, the conveying belt is coated on the two conveying rollers, a first driving device is further arranged at the bottom of the workbench and connected with one of the conveying rollers, and the top surface of the conveying belt is not higher than the surface of the workbench. The sewing machine has the advantages that the possibility that sewing is influenced due to the fact that cloth after sewing is stacked is reduced, and sewing precision of the sewing machine is improved.

Description

High-precision sewing machine

Technical Field

The application relates to the field of sewing machines, in particular to a high-precision sewing machine.

Background

The sewing machine is composed of four parts of machine head, machine base, transmission and accessories. The head is an essential part of the sewing machine. The sewing machine consists of four mechanisms of material needling, thread hooking, thread picking and feeding, auxiliary mechanisms of winding, material pressing, tooth falling and the like, and the motion of the mechanisms is reasonably matched and works circularly to sew up sewing materials.

Chinese patent No. CN104120547B discloses an automatic thread feeding system of a sewing machine, which comprises an upper shaft, a lower shaft, a control device, a cloth feeding device and a sewing thread tension adjusting device, wherein one end of the upper shaft is connected with a driving mechanism of the sewing machine, and the other end of the upper shaft is connected with a thread take-up lever and a sewing needle; one end of the lower shaft is connected with the upper shaft through a transmission shaft, the other end of the lower shaft is provided with a rotating shuttle, and a sewing bottom line is wound on the rotating shuttle; the sewing thread tension adjusting device comprises a rotating body and a stepping motor, the rotating body is connected with the output end of the stepping motor, the control ends of the sewing machine driving mechanism and the stepping motor are connected with the control device, a sewing thread is wound on the rotating body, and the sewing thread penetrates through the take-up lever and is connected with the sewing needle.

The inventor finds that in the sewing process of the cloth, the cloth feeding device realizes automatic feeding of the unsewn cloth, the feeding and sewing speeds are generally high, the efficiency is high, the sewn cloth is not pulled by the device, sewing personnel are busy in other operations, the sewn cloth cannot be cleaned in time, the sewn cloth is accumulated, the sewing process is enabled to generate wrinkles and distortion, the position accuracy of sewing by a machine needle is influenced, and the quality of a sewn product is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the cloth that makes up the completion is piled up, this application provides a high accuracy sewing machine.

The application provides a high accuracy sewing machine adopts following technical scheme:

a high-precision sewing machine comprises a workbench, wherein a sewing mechanism is arranged on the workbench, a feeding component for conveying sewing finished cloth is further arranged on the workbench, and the feeding component is positioned at the output end of the sewing mechanism;

the feeding assembly comprises a conveying belt and conveying rollers, the conveying rollers are arranged oppositely along the conveying direction of the conveying belt, the conveying belt is coated on the two conveying rollers, a first driving device is further arranged at the bottom of the workbench and connected with one of the conveying rollers, and the top surface of the conveying belt is not higher than the surface of the workbench.

By adopting the technical scheme, the cloth falls on the transmission belt after being sewn by the sewing mechanism, and the transmission belt drives the cloth to transmit, so that the sewn cloth is far away from the sewing mechanism, the possibility of influencing sewing due to accumulation of the sewn cloth is reduced, and the sewing precision of the sewing machine is improved.

Optionally, the conveyor belt is provided with a press roller for pressing the sewn cloth.

Through adopting above-mentioned technical scheme, compression roller and conveyer belt are with cloth clip, carry out the conveying, reduce the conveyer belt because of frictional force not enough or the cloth is too light and the possibility that can't convey.

Optionally, a sliding groove is formed in the workbench, a fixing frame is connected to the inside of the sliding groove along the axial sliding direction of the conveying roller, and the feeding assembly and the pressing roller are installed on the fixing frame.

Through adopting above-mentioned technical scheme, the fixed frame adjusts the position of conveyer belt along the endwise slip of transfer roller, adapts to the cloth of making up the difference in position, promotes the commonality of pay-off subassembly.

Optionally, the axial along the transfer roller is equipped with the rack on the diapire of fixed frame, rotate on the diapire of workstation and be connected with rack toothing's gear, still be equipped with drive gear's second drive arrangement on the bottom of workstation.

Through adopting above-mentioned technical scheme, second drive arrangement drive gear rotates, and the meshing of gear and rack promotes the rack and removes, is convenient for adjust the position of fixed frame, saves operating personnel's manual labor.

Optionally, be equipped with the L shaped plate on the fixed frame, the L shaped plate includes mutual fixed connection's diaphragm and riser, the one end fixed connection that the diaphragm was kept away from to the riser is on the roof of fixed frame, threaded connection has the depression bar on the diaphragm, the depression bar sets up along the axial of compression roller relatively, the compression roller internal rotation is connected with the pivot, the compression roller is all worn out at the both ends of pivot, the one end of pivot is rotated with the bottom of the depression bar of homonymy and is connected.

Through adopting above-mentioned technical scheme, the setting of L shaped plate for there is one end to form an opening compression roller below, and when the cloth broad, the cloth can pass from opening department, and the depression bar passes from the riser simultaneously, makes the compression roller only remove along vertical direction, is convenient for compress tightly the cloth.

Optionally, a compression spring is sleeved on the compression rod, one end of the compression spring is abutted to the transverse plate, and the other end of the compression spring is abutted to the rotating shaft.

Through adopting above-mentioned technical scheme, compression spring is convenient for make the compression roller compress tightly the cloth, promotes the stability of compression roller simultaneously.

Optionally, fixed frame is equipped with the kidney slot along the axial both ends of transfer roller, the kidney slot is seted up along the direction of transfer of conveyer belt, is not connected with a drive arrangement the transfer roller internal rotation is connected with the bull stick, the transfer roller is all worn out at the both ends of bull stick, the kidney inslot in the homonymy is inserted to the one end of bull stick, there is the tensioning screw rod along the direction of transfer threaded connection of conveyer belt on the fixed frame, the one end and the bull stick rotation of tensioning screw rod are connected, and the other end is then worn out fixedly.

Through adopting above-mentioned technical scheme, rotate the tensioning screw rod, adjust the position of transfer roller, and then adjust the rate of tension of conveyer belt, reduce because of the conveyer belt is too loose and influence the possibility of conveying ability.

Optionally, one side of the workbench is further provided with a material receiving box projected in the vertical direction to be L-shaped, and the material receiving box is located at one end, far away from the sewing mechanism, of the fixing frame.

Through adopting above-mentioned technical scheme, the collecting box is convenient for collect the cloth that the sewing that the conveyer belt conveying was come was accomplished, and partial cloth is because too wide, probably leads to partly extending to the side of workstation of cloth, and the collecting box of L shape is convenient for collect this type of cloth.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the conveying belt, the conveying roller and the first driving device, the sewing possibility of being influenced by the accumulation of the cloth after sewing is reduced, and the sewing precision of the sewing machine is improved;

2. through the setting of compression roller, with the conveyer belt cooperation, promote the conveying ability to the cloth.

Drawings

Fig. 1 is a schematic structural diagram of the whole in the embodiment of the present application.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of a gear, a rack and a tensioning screw which are embodied by removing a conveyor belt in the embodiment of the application.

Fig. 4 is a partially enlarged view of a portion B in fig. 3.

Fig. 5 is a partially enlarged view of a portion C in fig. 1.

Description of reference numerals: 1. a work table; 11. a sewing mechanism; 12. a gear; 13. a second driving device; 131. a drive plate; 14. a chute; 15. a sliding groove; 151. a slide plate; 16. an avoidance groove; 2. a feeding assembly; 21. a conveyor belt; 22. a conveying roller; 221. a rotating rod; 23. a first driving device; 3. an adjustment assembly; 31. a fixing frame; 311. a kidney-shaped groove; 312. tensioning the screw; 313. a rack; 3121. a handle; 4. a material pressing component; 41. an L-shaped plate; 411. a vertical plate; 412. a transverse plate; 4121. a pressure lever; 4122. a compression spring; 42. a compression roller; 421. a rotating shaft; 5. and a material receiving box.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses high accuracy sewing machine.

Referring to fig. 1, a high-precision sewing machine comprises a workbench 1, a sewing mechanism 11 is arranged on the workbench 1, a feeding component 2 is arranged at the output end of the sewing mechanism 11, the feeding component 2 is used for conveying cloth which is already sewn, and the conveying direction of the feeding component 2 is consistent with the length direction of the workbench 1. The workbench 1 is provided with an adjusting component 3, the feeding component 2 is arranged on the adjusting component 3, and the adjusting component 3 is used for adjusting the position of the feeding component 2 in the width direction of the workbench 1. The adjusting component 3 is also provided with a material pressing component 4 which is used for being matched with the feeding component 2 to improve the conveying capacity. A material receiving box 5 is arranged at one end of the feeding component 2 far away from the sewing mechanism 11 and is used for receiving the cloth conveyed by the feeding component 2. After the cloth is sewn by the sewing mechanism 11, the cloth is conveyed by the feeding component 2, the possibility that the sewn cloth is piled up is reduced, and the cloth conveyed by the feeding component 2 falls into the material receiving box and is convenient to store.

Referring to fig. 1 and 2, the adjusting assembly 3 includes a fixing frame 31, a sliding groove 15 is formed on the workbench 1 along the width direction thereof, sliding plates 151 are integrally formed on two side walls of the sliding groove 15 along the length direction of the workbench 1, a sliding slot 14 for inserting the sliding plate 151 is formed on the fixing frame 31, and the sliding plate 151 is matched with the sliding slot 14 and is slidably connected with the sliding slot 14.

Referring to fig. 3 and 4, a rack 313 is further welded to the bottom of the fixed frame 31, the rack 313 is arranged along the width direction of the workbench 1, a gear 12 engaged with the rack 313 is rotatably connected to the bottom wall of the workbench 1, a driving plate 131 is further welded to the bottom wall of the workbench 1, a second driving device 13 is fixedly connected to the driving plate 131, the second driving device 13 is connected to the gear 12, and the second driving device 13 may be a motor and is used for driving the gear 12 to rotate, so that the fixed frame 31 is driven to slide in the sliding groove 15 along the width direction of the workbench 1.

Referring to fig. 1 and 3, the feeding assembly 2 includes a conveyor belt 21 and conveying rollers 22, the conveying rollers 22 are oppositely disposed along the length direction of the workbench 1, the conveyor belt 21 is covered outside the two conveying rollers 22, and the conveying rollers 22 are installed in a fixing frame 31. The first driving device 23 is fixedly connected to a sidewall of the fixing frame 31, the first driving device 23 is connected to a conveying roller 22, and the first driving device 23 may be a motor for driving the conveying roller 22 to rotate, and further driving the conveying belt 21 to convey.

Referring to fig. 4, a rotating rod 221 is rotatably connected to the conveying roller 22 that is not connected to the first driving device 23, and both ends of the rotating rod 221 penetrate through the conveying roller 22. The fixed frame 31 is provided with a kidney-shaped slot 311 for inserting the rotating rod 221 along two axial side walls of the conveying roller 22, one end of the fixed frame 31 far away from the sewing mechanism 11 is further connected with a tensioning screw 312 in a threaded manner, the tensioning screw 312 is arranged along the length direction of the workbench 1, one end of the tensioning screw 312 is rotatably connected with the rotating rod 221, and the other end of the tensioning screw 312 penetrates through the fixed frame 31 and the workbench 1 and is fixedly connected with a handle 3121. The handle 3121 is rotated to drive the tensioning screw 312 to rotate and move, so as to adjust the distance between the two conveying rollers 22, and further adjust the tension of the conveying belt 21. An avoiding groove 16 is formed in the workbench 1 along the width direction of the workbench, and the tensioning screw 312 is located in the avoiding groove 16 and used for preventing the tensioning screw 312 from interfering with the workbench 1 when moving along with the fixing frame 31.

Referring to fig. 1 and 5, the nip assembly 4 includes an L-shaped plate 41 and a pressing roller 42, and the pressing roller 42 is located above the conveyor belt 21 and abuts against the conveyor belt 21. The L-shaped plate 41 includes a horizontal plate 412 and a vertical plate 411 which are integrally formed, and one end of the vertical plate 411, which is away from the horizontal plate 412, is welded to one end side wall of the fixing frame 31 in the axial direction of the conveying roller 22. The axis of the press roller 42 is parallel to the axis of the conveying roller 22, the rotating shaft 421 is rotatably connected in the press roller 42, and both ends of the rotating shaft 421 penetrate through the press rod 4121. A pressing rod 4121 vertically penetrates through the transverse plate 412, the pressing rod 4121 is oppositely arranged along the length direction of the transverse plate 412, and the rotating rod 221 is fixedly connected with the pressing rod 4121 on the same side. The compression spring 4122 is sleeved on the compression bar 4121, one end of the compression spring 4122 is abutted with the transverse plate 412, and the other end is abutted with the rotating bar 221, so that the compression roller 42 is always abutted against the conveyor belt 21, and the conveying capacity of the conveyor belt 21 is increased. The L-shaped plate 41 is arranged so that an opening is formed at one end of the lower part of the pressing roller 42, which is far away from the vertical plate 411, and the placement of cloth with larger width is facilitated.

Referring to fig. 1, receive workbin 5 fixed connection on workstation 1, receive workbin 5 along the projection of vertical direction for L shape, with two lateral walls butt of workstation 1, be convenient for accomodate the great cloth of width. The receiving box 5 is simultaneously penetrated by the avoiding groove 16.

The implementation process of the high-precision sewing machine in the embodiment of the application is as follows: after the cloth is sewed by the sewing mechanism 11, the cloth falls between the conveying belt 21 and the compression roller 42, the first driving device 23 is started to drive the conveying roller 22 to rotate, so that the conveying belt 21 is driven to move, the compression roller 42 is matched to drive the cloth to move, and the cloth falls in the material receiving box 5.

When the cloth is wide and a part of the cloth may interfere with the vertical plate 411 during the conveying, the second driving device 13 is activated to drive the gear 12 to rotate, and the gear 12 drives the fixing frame 31 to move, so that the cloth does not interfere with the vertical plate 411 during the conveying.

When the conveyor belt 21 is loose and the conveyor belt 21 may not be moved by the conveyor rollers 22, the handle 3121 is rotated to rotate the tensioning screw 312, increasing the distance between the two conveyor rollers 22, and thereby tensioning the conveyor belt 21.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high accuracy sewing machine, includes workstation (1), be equipped with on workstation (1) and make up mechanism (11), its characterized in that: the workbench (1) is also provided with a feeding component (2) for conveying sewn cloth, and the feeding component (2) is positioned at the output end of the sewing mechanism (11);

pay-off subassembly (2) include conveyer belt (21) and transfer roller (22), transfer roller (22) set up relatively along the direction of transfer of conveyer belt (21), conveyer belt (21) cladding is on two transfer rollers (22), the bottom of workstation (1) still is equipped with first drive arrangement (23), first drive arrangement (23) are connected with one of them transfer roller (22), the top surface of conveyer belt (21) is not higher than the surface of workstation (1).

2. A high precision sewing machine according to claim 1, wherein: and a press roller (42) for pressing the sewed cloth is arranged on the conveyor belt (21).

3. A high precision sewing machine according to claim 2, wherein: the improved feeding device is characterized in that a sliding groove (15) is formed in the workbench (1), a fixed frame (31) is connected to the inside of the sliding groove (15) along the axial sliding direction of the conveying roller (22), and the feeding assembly (2) and the pressing roller (42) are installed on the fixed frame (31).

4. A high precision sewing machine according to claim 3, wherein: the axial of following transfer roller (22) on the diapire of fixed frame (31) is equipped with rack (313), rotate on the diapire of workstation (1) and be connected with gear (12) with rack (313) meshing, still be equipped with second drive arrangement (13) of drive gear (12) on the bottom of workstation (1).

5. A high precision sewing machine according to claim 4, characterised in that: be equipped with L shaped plate (41) on fixed frame (31), L shaped plate (41) are including mutual fixed connection's diaphragm (412) and riser (411), the one end fixed connection that diaphragm (412) were kept away from in riser (411) is on the roof of fixed frame (31), diaphragm (412) are vertical to be worn to be equipped with depression bar (4121), depression bar (4121) set up along the axial of compression roller (42) relatively, compression roller (42) internal rotation is connected with pivot (421), compression roller (42) are all worn out at the both ends of pivot (421), the one end of pivot (421) and the bottom fixed connection of depression bar (4121) of homonymy.

6. A high precision sewing machine according to claim 5, characterised in that: the compression rod (4121) is sleeved with a compression spring (4122), one end of the compression spring (4122) is abutted against the transverse plate (412), and the other end of the compression spring is abutted against the rotating shaft (421).

7. A high precision sewing machine according to claim 6, characterised in that: fixed frame (31) are equipped with kidney slot (311) along transfer roller (22) axial both ends, kidney slot (311) are seted up along the direction of transfer of conveyer belt (21), do not be connected with first drive arrangement (23) the transfer roller (22) internal rotation is connected with bull stick (221), transfer roller (22) are all worn out at the both ends of bull stick (221), the one end of bull stick (221) is inserted in kidney slot (311) of homonymy, the direction of transfer threaded connection who follows conveyer belt (21) on fixed frame (31) has tensioning screw rod (312), the one end and the bull stick (221) of tensioning screw rod (312) rotate and are connected, and fixed frame (31) are then worn out to the other end.

8. A high precision sewing machine according to claim 3, wherein: one side of the workbench (1) is also provided with a material receiving box (5) which is L-shaped in vertical direction projection, and the material receiving box (5) is positioned at one end of the fixing frame (31) far away from the sewing mechanism (11).