CN216891493U

CN216891493U - Auxiliary feeding device for sewing machine

Info

Publication number: CN216891493U
Application number: CN202220504766.3U
Authority: CN
Inventors: 吕烨; 宗占华
Original assignee: Wanlida Technology Wuxi Co ltd
Current assignee: Wanlida Technology Wuxi Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-07-05
Anticipated expiration: 2032-03-08

Abstract

The utility model discloses an auxiliary feeding device for a sewing machine, which comprises a mounting plate, a connecting frame and a feeding assembly, wherein the feeding assembly comprises a frame body, an obliquely arranged conveying belt is fixedly connected in the frame body, a pressing roller is rotatably connected to the inner wall of the frame body, which is close to the lower end of the conveying belt, and two pinch rollers are rotatably connected in the frame body. According to the utility model, through the arrangement of the feeding component, after the semi-finished product of the socks is conveyed to the pressing roller by the conveying belt, the end part of the semi-finished product of the socks is clamped by the pressing roller and the conveying belt, then the lower end of the socks is clamped by the pinch roller, and after the upper end of the socks is detected to be separated from the pinch roller by the torque sensor, the pneumatic push rod is controlled to drive the clamping rod to move, so that the end part of the socks is clamped and driven to move towards a chuck of the sewing machine, the effect of auxiliary feeding is realized, the feeding efficiency is greatly improved, and the quality of sewing is favorably controlled.

Description

Auxiliary feeding device for sewing machine

Technical Field

The utility model relates to the technical field of textile equipment, in particular to an auxiliary feeding device for a sewing machine.

Background

Socks are one of the most common clothes in daily life for protect and keep warm to people's foot, and in socks production process, the hosiery machine knits the line into cylindricly through knitting, but its both ends are the open mode, consequently need socks margin to seam machine to sew up the one end of socks, and socks margin to seam machine is the professional equipment who specially aims at socks, and it is used for appearing the socks of open structure to both ends and processes, namely stitches the head of socks one end.

The existing sewing machine used in the market needs to manually align the sewing opening of the semi-finished socks with the chuck of the sewing machine, then manually clamp the semi-finished socks into the chuck, the operation is troublesome, the labor intensity is high, a certain error exists in the sewing position during manual operation, once the error is large, trimming or re-sewing is needed, and therefore the auxiliary feeding device for the sewing machine is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides an auxiliary feeding device for a sewing machine.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an auxiliary feeding device for a sewing machine comprises a mounting plate, a connecting frame and a feeding assembly;

the pay-off subassembly includes the framework, the conveyer belt that fixedly connected with slope set up in the framework, the framework is close to the inner wall rotation of conveyer belt lower extreme and is connected with the compression roller, still rotate in the framework and be connected with two pinch rolls, and the pinch roll is located the below setting of compression roller, the lateral wall of pinch roll all slides the cover and is equipped with the sleeve pipe, and the sleeve pipe passes through torque spring and pinch roll fixed connection, still be provided with torque sensor on the pinch roll, and torque sensor and sleeve pipe fixed connection, link fixedly connected with pneumatic push rod, and pneumatic push rod's drive end rotates and is connected with the clamping bar, pneumatic push rod passes through wire electric connection with torque sensor, the inner wall that the framework is close to the clamping bar has seted up the guide way.

Preferably, the side wall of the frame body is fixedly connected with a rectangular frame, one side of the rectangular frame is provided with a threaded hole, an adjusting bolt is arranged in the threaded hole, a lantern ring is connected in the rectangular frame in a sliding mode, the lantern ring is rotatably connected with the adjusting bolt, and the compression roller is inserted in the lantern ring.

Preferably, a plurality of draw-in grooves have been seted up on the surface of conveyer belt, and the joint has spherical fixture block in the draw-in groove, fixedly connected with rubber strip on the spherical fixture block, the rubber strip offsets with the compression roller and sets up.

Preferably, the guide groove is a parallelogram, and the inner wall of the guide groove rotates and is connected with a limit clamp through a spring rotating shaft.

Preferably, the two pinch rolls are in transmission connection through mutually matched gears, the frame body is fixedly connected with a servo motor, and the servo motor is fixedly connected with one of the pinch rolls.

Preferably, a plurality of strip-shaped grooves surrounding the arrangement are formed in the side wall of the sleeve, the mounting bar is clamped in the strip-shaped grooves, and the protective pad is fixedly connected to the mounting bar.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the feeding component, after the semi-finished product of the socks is conveyed to the compression roller by the conveying belt, the end part of the semi-finished product of the socks is clamped by the compression roller and the conveying belt, then the lower end of the socks is clamped by the pinch roller, and after the upper end of the socks is detected to be separated from the pinch roller by the torque sensor, the pneumatic push rod is controlled to drive the clamping rod to move, so that the end part of the socks is clamped and driven to move towards a chuck of the head sewing machine, the effect of auxiliary feeding is realized, the feeding efficiency is greatly improved, and the quality of the head sewing is favorably controlled;

2. according to the utility model, the rectangular frame is matched with the adjusting bolt for adjusting the distance between the compression roller and the conveying belt, so that the sock is suitable for socks with different thicknesses, and the clamping groove is arranged for clamping rubber strips with different thicknesses, so that the compression roller and the conveying belt are driven to be synchronous, and the condition that the semi-finished socks are wrinkled and curled due to the asynchronous compression roller and the conveying belt is avoided.

Drawings

Fig. 1 is a schematic perspective view of an auxiliary feeding device for a sewing machine according to the present invention;

fig. 2 is a schematic cross-sectional structural view of an auxiliary feeding device for a sewing machine according to the present invention;

FIG. 3 is a schematic back structure view of an auxiliary feeding device for a sewing machine according to the present invention;

FIG. 4 is a schematic structural diagram of a sleeve of an auxiliary feeding device for a sewing machine according to the present invention;

FIG. 5 is a schematic side view of a sleeve of the auxiliary feeding device for the sewing machine according to the present invention;

FIG. 6 is a schematic view of a partial structure of an auxiliary feeding device for a sewing machine according to the present invention;

fig. 7 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. mounting a plate; 2. a connecting frame; 3. a frame body; 4. a conveyor belt; 5. a compression roller; 6. a pinch roll; 7. a sleeve; 8. a torque sensor; 9. a pneumatic push rod; 10. a clamping bar; 11. a rubber strip; 12. a limiting card; 13. a gear; 14. a servo motor; 15. mounting a bar; 16. a protective pad; 17. and (5) a rectangular frame.

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.

Referring to fig. 1-7, an auxiliary feeding device for a sewing machine comprises a mounting plate 1, a connecting frame 2 and a feeding assembly;

the feeding assembly comprises a frame body 3, a conveying belt 4 which is obliquely arranged is fixedly connected in the frame body 3, a pressing roller 5 is rotatably connected to the inner wall of the frame body 3 close to the lower end of the conveying belt 4, in the design, only a semi-finished sock needing to be sewn is manually and directly placed on the conveying belt 4 to be conveyed, after the semi-finished sock moves to the pressing roller 5, the semi-finished sock is clamped by the pressing roller 5 and the conveying belt 4 and is driven to move towards a pinch roller 6, a rectangular frame 17 is fixedly connected to the side wall of the frame body 3, a threaded hole is formed in one side of the rectangular frame 17, an adjusting bolt is arranged in the threaded hole, a sleeve ring is slidably connected in the rectangular frame 17 and is rotatably connected with the adjusting bolt, the pressing roller 5 is inserted in the sleeve ring, in the design, the number of the two rectangular frames 17 is two, the two rectangular frames are respectively positioned at two ends of the pressing roller 5, when a user sews the semi-finished socks with different thicknesses, can satisfy the clamp to send demand to different semi-manufactured goods socks through rotating adjusting bolt control compression roller 5 and conveyer belt 4's interval, a plurality of draw-in grooves have been seted up on conveyer belt 4's surface, and the joint has spherical fixture block in the draw-in groove, fixedly connected with rubber strip 11 on the spherical fixture block, rubber strip 11 offsets with compression roller 5 and sets up, and wherein spherical fixture block is the elasticity material for in the draw-in groove and make the rubber sleeve along with conveyer belt 4 synchronous motion, it is the setting in order to realize that conveyer belt 4 drives compression roller 5 and conveyer belt 4 synchronous pivoted effect to offset with compression roller 5, it is connected with two pinch rolls 6, two still to rotate in the framework 3 pinch rolls 6 are connected through the gear 13 transmission of mutual matching, fixedly connected with servo motor 14 on the framework 3, and servo motor 14 and one of them pinch roll 6 fixed connection, two numbers of teeth of servo motor 14 cooperation and the same gear 13 of size drive two pinch rolls 6 and rotate and be conventional among the prior art for pinch rolls 6 Design, it should be additionally noted that the speed of the pinch roller 6 driving the semi-finished socks to move is greater than the speed of the conveyer belt 4 driving the semi-finished socks to move in cooperation with the press roller 5, and meanwhile, after the semi-finished socks are stretched to a certain degree, the semi-finished socks and the sleeve 7 slip, so that after the semi-finished socks are separated from the clamping of the press roller 5 and the conveyer belt 4, the semi-finished socks rebound and the torsion spring drive the sleeve 7 to rotate, so that when the clamp rod 10 clamps the semi-finished socks, the semi-finished socks are relatively stable in position and only affected by the elasticity of different semi-finished socks, the elasticity difference of the semi-finished socks spun by the same yarn in the same process is very small and has little and negligible influence on the sewing head, the pinch roller 6 is arranged below the press roller 5, and the sleeve 7 is slidably sleeved on the side wall of the pinch roller 6, the side wall of the sleeve 7 is provided with a plurality of strip-shaped grooves which are arranged in a surrounding manner, the strip-shaped grooves are connected with mounting strips 15 in a clamping manner, protective pads 16 are fixedly connected onto the mounting strips 15, in the design, the protective pads 16 are made of smooth rubber materials, the strip-shaped grooves are matched with the detachable connection design of the mounting strips 15 and used for replacing the protective pads 16 with adaptive thickness when semi-finished socks with different thicknesses are processed, the sleeve 7 is fixedly connected with the pinch roll 6 through a torsion spring, the pinch roll 6 is also provided with a torsion sensor 8, the torsion sensor 8 is fixedly connected with the sleeve 7, the torsion sensor 8 is used for detecting whether the sleeve 7 is in a stressed state or not and further judging whether the upper end of the semi-finished socks is separated from the conveying belt 4 and the clamping rod 10 or not, and part of the torsion sensor 8 is provided with a spring, so that the torsion spring can be optimized when the torsion sensor 8 of the type is used, the connecting frame 2 is fixedly connected with a pneumatic push rod 9, the driving end of the pneumatic push rod 9 is rotatably connected with a clamping rod 10, the pneumatic push rod 9 is electrically connected with a torque sensor 8 through a wire, the inner wall of the frame 3, which is close to the clamping rod 10, is provided with a guide groove, the guide groove is a parallelogram, the inner wall of the guide groove is rotatably connected with a limiting clamp 12 through a spring rotating shaft, the guide groove of the parallelogram can control the moving track of the clamping rod 10, the limiting clamp 12 prevents the clamping rod 10 from moving according to an expected track, when the pneumatic push rod 9 operates, the pneumatic push rod 9 drives the two clamping rods 10 to move towards the semi-finished socks and then move towards the directions close to each other along the guide groove to realize the purpose of clamping the semi-finished socks, then the push rod is started to contract to drive the semi-finished socks to move towards the chuck of the sewing machine, and after the semi-finished socks are clamped by the chuck, the two clamping bars 10 move in the direction away from each other along the guide grooves to loosen the semi-finished socks.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An auxiliary feeding device for a sewing machine is characterized by comprising a mounting plate (1), a connecting frame (2) and a feeding assembly;

the feeding assembly comprises a frame body (3), a conveying belt (4) which is obliquely arranged is fixedly connected in the frame body (3), a compression roller (5) is rotatably connected to the inner wall of the frame body (3) close to the lower end of the conveying belt (4), two pinch rollers (6) are rotatably connected in the frame body (3), the pinch rollers (6) are arranged below the compression roller (5), sleeves (7) are sleeved on the side walls of the pinch rollers (6) in a sliding mode, the sleeves (7) are fixedly connected with the pinch rollers (6) through torsion springs, torsion sensors (8) are further arranged on the pinch rollers (6), the torsion sensors (8) are fixedly connected with the sleeves (7), a pneumatic push rod (9) is fixedly connected with a connecting frame (2), a clamping rod (10) is rotatably connected with the driving end of the pneumatic push rod (9), and the pneumatic push rod (9) is electrically connected with the torsion sensors (8) through a lead, the inner wall of the frame body (3) close to the clamping rod (10) is provided with a guide groove.

2. The auxiliary feeding device for the sewing machine of claim 1, wherein a rectangular frame (17) is fixedly connected to a side wall of the frame body (3), a threaded hole is formed in one side of the rectangular frame (17), an adjusting bolt is arranged in the threaded hole, a sleeve ring is connected in the rectangular frame (17) in a sliding mode and is rotatably connected with the adjusting bolt, and the pressing roller (5) is inserted in the sleeve ring.

3. The auxiliary feeding device for the sewing machine according to claim 1, wherein a plurality of clamping grooves are formed in the surface of the conveying belt (4), spherical clamping blocks are clamped in the clamping grooves, rubber strips (11) are fixedly connected to the spherical clamping blocks, and the rubber strips (11) are abutted to the compression roller (5).

4. The auxiliary feeding device for the sewing machine according to claim 1, characterized in that the guide groove is a parallelogram, and the inner wall of the guide groove is rotatably connected with a limit clip (12) through a spring rotating shaft.

5. The auxiliary feeding device for the sewing machine of claim 1, characterized in that the two pinch rollers (6) are in transmission connection through mutually matched gears (13), a servo motor (14) is fixedly connected to the frame body (3), and the servo motor (14) is fixedly connected with one of the pinch rollers (6).

6. The auxiliary feeding device for the sewing machine of claim 1, wherein the side wall of the sleeve (7) is provided with a plurality of strip-shaped grooves which are arranged in a surrounding manner, the strip-shaped grooves are clamped with mounting bars (15), and the mounting bars (15) are fixedly connected with protective pads (16).