CN214831043U

CN214831043U - Auxiliary feeding device of overlock machine

Info

Publication number: CN214831043U
Application number: CN202121478985.0U
Authority: CN
Inventors: 王枕涛; 周宝炎; 尉伟军; 宗张莉
Original assignee: Shaoxing Faliang Underwear Co ltd
Current assignee: Shaoxing Faliang Underwear Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-11-23
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to an auxiliary feeding device of serger, including the vertical mounting bracket of installing at the pay-off bench that slides, mounting bracket horizontal separation is provided with a plurality of compression rollers, and the array orientation of compression roller is parallel with the traffic direction of cloth, and the mounting bracket can slide to the laminating of compression roller lateral wall and support tight pay-off bench roof. This application has lay the cloth on the pay-off bench and aim at the needle bar after, with the mounting bracket gliding to the compression roller laminating support start the serger behind the tight cloth and carry out the serger, supported by the compression roller tight cloth and be difficult for appearing the side and move, improved the straightness accuracy of serger of cloth, improved the production qualification rate's of cloth effect.

Description

Auxiliary feeding device of overlock machine

Technical Field

The application relates to the field of serger, in particular to an auxiliary feeding device of a serger.

Background

Overlock is also called as serging, is a term of clothing industry, and refers to overlock of overlock machine at the edge seam of cloth cutting, so that silk threads at the cutting position of the cloth are not easy to scatter, and the overlock has the function of beautifying the cutting position of the cloth.

The serger in the related art is provided with a feeding table, the serger is further provided with a cloth feeding shaft and a cloth feeding tooth, the cloth feeding shaft is in transmission connection with the cloth feeding tooth through a cloth feeding crank, the cloth feeding shaft is rotated to drive the cloth feeding tooth to swing back and forth through the cloth feeding crank, the cloth feeding tooth is located under a needle rod of the serger, cloth is laid on the feeding table firstly during serging, a cut edge of the cloth is placed under the needle rod, the serger is started, the needle rod and the cloth feeding shaft of the serger move, the needle rod serger pushes the cloth to move linearly while serging the cloth, and the cut edge of the cloth is serged through matching between the needle rod and the cloth feeding tooth.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the area of contact between feed dog and the cloth is less for feed dog is when promoting the cloth and remove, and the straightness accuracy in cloth motion route is more end, needs straighten the cloth through the manual work, and manual straightening probably the mistake leads to the overlock route of cloth to appear distorting, has improved the overlock rejection rate of cloth.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the straightness accuracy of binding off can not reach the requirement through artifical straightening easy fault that appears during binding off, this application provides an auxiliary feeding device of serger.

The application provides a pair of serger's supplementary feed arrangement adopts following technical scheme:

the utility model provides a serger's supplementary feed arrangement, includes that vertical sliding installs the mounting bracket at the pay-off bench, mounting bracket horizontal separation is provided with a plurality of compression rollers, the array orientation of compression roller is parallel with the traffic direction of cloth, the mounting bracket can slide extremely the laminating of compression roller lateral wall supports tight pay-off bench roof.

Through adopting above-mentioned technical scheme, lay the cloth on the pay-off platform and aim at the needle bar after, with the mounting bracket gliding to the compression roller laminating support tightly the cloth start the serger and carry out the serging, the cloth that is supported tightly by the compression roller is difficult for appearing the side and moves, has improved the straightness accuracy of serging of cloth, has improved the production qualification rate of cloth.

Optionally, the feeding table is provided with a fixed cylinder, a piston rod of the fixed cylinder vertically stretches and retracts and is connected with the mounting frame, and the fixed cylinder can push the mounting frame to slide to the compression roller to be attached to and tightly abut against the top wall of the feeding table.

Through adopting above-mentioned technical scheme, the mounting bracket slides through the drive of fixed cylinder for the sliding of mounting bracket is comparatively rapid, and fixed cylinder drives the mounting bracket and can fix the mounting bracket after sliding to the assigned position, and the fixed of mounting bracket is comparatively convenient, and the mounting bracket is comparatively stable even to the packing force of cloth.

Optionally, the piston rod of the fixed cylinder is provided with a connecting block, the mounting bracket is vertically slidably mounted on the connecting block, the connecting block is threadedly mounted with a vertical connecting screw rod, and one end of the connecting screw rod is passed through the connecting block and the mounting bracket is rotatably connected.

Through adopting above-mentioned technical scheme, the staff adjusts the distance between the piston rod of mounting bracket and fixed cylinder through rotating connecting screw, and then adjusts the distance between the piston rod of compression roller and fixed cylinder for the compression roller all can provide comparatively suitable tight power of supporting to the cloth of different thickness, has improved the suitability.

Optionally, the connecting block is provided with a scale, the length direction of the scale is parallel to the axis of the connecting screw rod, and the mounting rack is provided with a positioning plane matched with the scale.

Through adopting above-mentioned technical scheme, the staff passes through the cooperation between locating plane and the scale, can comparatively observe the mounting bracket gliding to the distance between the compression roller of fixed time mounting bracket and the pay-off platform directly perceivedly, makes the staff comparatively accurate when adjusting the pressure of compression roller to the cloth then.

Optionally, gears are coaxially arranged at one end of each of the compression rollers, two adjacent gears are in transmission connection through an idler wheel, and a hand wheel is coaxially arranged at one end of the compression roller, which is located on the feeding side of the feeding table.

Through adopting above-mentioned technical scheme, when fixed cylinder drives the mounting bracket and slides to the compression roller and support tight cloth, if staff misoperation makes the compression roller to the cloth support tight power too big and when the serger begins to bind off, the staff rotates through the hand wheel and drives all compression rollers and rotate supplementary cloth and slide for the feed dog is when driving the cloth that is compressed tightly by the compression roller transition, and cloth and feed dog are not fragile.

Optionally, the side wall of the compression roller is coaxially provided with a plurality of annular anti-slip protruding edges, and the anti-slip protruding edges are arranged at intervals along the axis of the compression roller.

Through adopting above-mentioned technical scheme, the compression roller supports tight cloth through anti-skidding bead for the cloth is difficult for appearing the side when removing and moves.

Optionally, a side wall of the anti-slip convex rib departing from the side wall of the compression roller is in a convex arc shape.

Through adopting above-mentioned technical scheme, be circular-arc anti-skidding bead terminal surface and make anti-skidding bead be difficult for producing the damage to the cloth.

Optionally, the bottom of the machine body of the overlock machine is provided with an installation plate which is positioned below the feeding table, the bottom wall of the mounting plate is attached to the ground, the length direction of the mounting plate is vertical to the feeding direction of the feeding table, elastic plates are vertically arranged at both ends of the mounting plate in the length direction, hemispherical limiting blocks are arranged at the upper ends of the opposite surfaces of the two elastic plates, a mounting block is vertically arranged on the mounting plate between the two elastic plates, the upper end of the mounting block is vertically and rotatably provided with a press plate, the mounting plates positioned at the two sides of the mounting block are respectively provided with a button, the buttons are connected with the air cylinder, the press plate can rotate to tightly abut against any one of the buttons, when the pressing plate is tightly abutted to the button, the limiting block on the elastic plate on one side of the button is pressed down and is in matched clamping connection with the pressing plate.

Through adopting above-mentioned technical scheme, the staff makes the staff open and stop comparatively convenient when fixed cylinder through trampling the mounting panel and pressing down the button, and fixes the mounting panel through the elasticity barb when the mounting panel is trampled for the staff is difficult for trampling down the mounting panel mistake when copying the limit to the cloth and leads to fixed cylinder to start to loosen the cloth.

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

1. after the cloth is laid on the feeding table and aligned with the needle rod, the mounting frame slides down to the pressing roller to be attached to tightly support the cloth, and then the overlock machine is started to overlock the cloth, so that the cloth tightly supported by the pressing roller is not easy to laterally move, the overlock straightness of the cloth is improved, and the production yield of the cloth is improved;

2. the mounting frame is driven by the fixing cylinder to slide, so that the mounting frame can slide rapidly, the fixing cylinder drives the mounting frame to slide to a designated position and then can fix the mounting frame, the mounting frame is fixed conveniently, and pressing force of the mounting frame to cloth is stable and uniform;

3. when fixed cylinder drove the mounting bracket and slides to the compression roller and support tight cloth, if staff misoperation makes the compression roller to the cloth support tight power too big and when the serger has begun to bind off, the staff rotates through the hand wheel and drives all compression rollers and rotate supplementary cloth and slide for the feed dog is when driving the cloth that is compressed tightly by the compression roller transition, and cloth and feed dog are not fragile.

Drawings

Fig. 1 is a schematic perspective view of the present application.

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

Fig. 3 is an enlarged schematic view of a portion B in fig. 1.

Reference numerals: 1. a mounting frame; 11. a compression roller; 111. a gear; 112. an idler pulley; 113. a hand wheel; 114. anti-slip ribs; 12. positioning a plane; 21. fixing the air cylinder; 22. connecting blocks; 23. connecting a screw rod; 3. a scale; 4. mounting a plate; 41. an elastic plate; 42. a limiting block; 43. mounting blocks; 44. pressing a plate; 45. a button; 5. a feeding table.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The serger is provided with a feeding table 5, the serger is also provided with a cloth feeding shaft and a cloth feeding tooth, the cloth feeding shaft and the cloth feeding tooth are in transmission connection through a cloth feeding crank, the cloth feeding shaft is rotated to drive the cloth feeding tooth to swing in a reciprocating mode through the cloth feeding crank, the cloth feeding tooth is located right below a needle rod of the serger, and cloth is driven to move through the reciprocating swing of the cloth feeding tooth during serging.

The embodiment of the application discloses supplementary feed arrangement of serger, refer to fig. 1 and fig. 2, including mounting bracket 1, mounting bracket 1 is provided with fixed cylinder 21, and fixed cylinder 21 fixed mounting is on the lateral wall of 5 pay-off directions of pay-off platform 5 of pay-off platform, and fixed cylinder 21's piston rod is vertical upwards flexible. Fixed cylinder 21's piston rod roof fixed mounting has connecting block 22, and the vertical sliding of mounting bracket 1 is installed on connecting block 22, and connecting screw 23 is installed to connecting block 22 screw thread, and connecting screw 23's axis is vertical and connecting screw 23's upper end and passes connecting block 22 and mounting bracket 1 and rotate to be connected, drives mounting bracket 1 through connecting screw 23 and vertically slides on connecting block 22, and fixes mounting bracket 1 on connecting block 22 through connecting screw 23.

Referring to fig. 1 and 2, a vertical scale 3 is further fixedly mounted on the connecting block 22, a horizontal positioning plane 12 is arranged at the top of the mounting frame 1, the positioning plane is matched with the scale 3, and a worker reads the distance between the mounting frame 1 and a piston rod of the fixed cylinder 21 through the positioning plane 12.

Referring to fig. 1 and 2, two parallel press rolls 11 are rotatably mounted on the mounting frame 1, and the axes of the press rolls 11 are horizontal and perpendicular to the feeding direction of the feeding table 5. One end of the press roll 11, which deviates from the body of the overlock machine, is coaxially and fixedly provided with a gear 111, the two gears 111 are mutually in transmission connection through an idler gear 112, and one end of the press roll 11, which deviates from the body of the overlock machine, on one side of the feeding table 5 is also coaxially and fixedly provided with a hand wheel 113.

Referring to fig. 1 and 2, the fixed cylinder 21 is started to drive the press roll 11 to compress the cloth, and the handwheel 113 and the gear 111 drive the two press rolls 11 to rotate to assist the cloth to slide on the feeding table 5 when the cloth is serged. A plurality of annular anti-skidding convex edges 114 are coaxially and integrally arranged on the side wall of the press roller 11 at intervals, one side wall of each anti-skidding convex edge 114 departing from the press roller 11 is in a convex semi-circle shape, and the press roller 11 compresses the cloth through the anti-skidding convex edges 114, so that the cloth is not prone to lateral movement.

Referring to fig. 1 and 3, a mounting plate 4 is fixedly mounted at the bottom of the body of the overlock machine and under the feeding table 5, the bottom wall of the mounting plate 4 is attached to the ground, two buttons 45 connected with the inside of the fixed cylinder 21 are fixedly mounted on the top wall of the mounting plate 4, and the buttons 45 are used for controlling the start and stop of the fixed cylinder 21. The connecting line of the two buttons 45 is perpendicular to the feeding direction of the feeding table 5, a vertical mounting block 43 is fixedly mounted on the mounting plate 4 between the two buttons 45, a pressing plate 44 is vertically and rotatably mounted at the upper end of the mounting block 43, and the rotating plane of the pressing plate 44 is perpendicular to the feeding direction of the feeding table 5. The elastic plates 41 are vertically and fixedly arranged on the mounting plate 4 on one side of the two buttons 45, the surfaces of the two elastic plates 41 are parallel to the feeding direction of the feeding table 5, the upper ends of the opposite surfaces of the two elastic plates 41 are integrally provided with hemispherical limiting blocks 42, and when the pressing plate 44 rotates to press any button 45, the limiting blocks 42 of the elastic plates 41 at the positions of the buttons 45 are in fit clamping connection with the pressing plate 44.

The implementation principle of the auxiliary feeding device of the serger is as follows:

during serging, the staff lays the cloth on pay-off platform 5, then steps on clamp plate 44 to pressing button 45, and clamp plate 44 and stopper 42 are blocked each other and are established fixedly, and fixed cylinder 21 starts to drive mounting bracket 1 and slide down to compression roller 11 and compress tightly the cloth for the cloth is difficult for the side to move when sliding, and after the cloth serging finishes, step on the clamp plate 44 other end and press another button 45, and fixed cylinder 21 starts to rise mounting bracket 1 and compression roller 11, finishes once serging after taking out the cloth.

When misoperation pressure roller 11 was too big to the pressure of cloth, drive two compression rollers 11 synchronous rotations through rotating hand wheel 113, and then carry out supplementary the sliding to the cloth through pivoted compression roller 11 for the cloth that is compressed tightly by compression roller 11 transition is difficult for appearing the damage when serging.

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 an auxiliary feeding device of serger which characterized in that: install mounting bracket (1) on pay-off platform (5) including vertical sliding, mounting bracket (1) horizontal interval is provided with a plurality of compression rollers (11), the array orientation of compression roller (11) is parallel with the traffic direction of cloth, mounting bracket (1) can slide extremely compression roller (11) lateral wall laminating supports tight pay-off platform (5) roof.

2. An auxiliary feeding device of a serger according to claim 1, characterized in that: feeding table (5) is provided with fixed cylinder (21), the piston rod of fixed cylinder (21) vertical flexible and with mounting bracket (1) is connected, fixed cylinder (21) can promote mounting bracket (1) slide to compression roller (11) laminating supports tight feeding table (5) roof.

3. An auxiliary feeding device of a serger according to claim 2, characterized in that: the piston rod of fixed cylinder (21) is provided with connecting block (22), mounting bracket (1) is vertical to be slided and is installed on connecting block (22), connecting block (22) threaded mounting is vertical connecting screw rod (23), the one end of connecting screw rod (23) is passed connecting block (22) with mounting bracket (1) is rotated and is connected.

4. An auxiliary feeding device of a serger according to claim 3, characterized in that: connecting block (22) are provided with scale (3), the length direction of scale (3) with the axis of connecting screw (23) is parallel, mounting bracket (1) be provided with scale (3) matched with locating plane (12).

5. An auxiliary feeding device of a serger according to claim 1, characterized in that: gears (111) are coaxially arranged at one end of each compression roller (11), every two adjacent gears (111) are in transmission connection through an idler wheel (112), and a hand wheel (113) is coaxially arranged at one end of each compression roller (11) on the feeding side of the feeding table (5).

6. An auxiliary feeding device of a serger according to claim 1, characterized in that: the side wall of the compression roller (11) is coaxially provided with a plurality of annular anti-skidding convex edges (114), and the anti-skidding convex edges (114) are arranged at intervals along the axis of the compression roller (11).

7. An auxiliary feeding device of an overlock machine according to claim 6, wherein: one side wall of the anti-slip convex rib (114) departing from the side wall of the press roll (11) is in a convex arc shape.

8. An auxiliary feeding device of a serger according to claim 2, characterized in that: the machine body bottom of the overlock machine is provided with a mounting plate (4), the mounting plate (4) is positioned below a feeding table (5), the bottom wall of the mounting plate (4) is attached to the ground, the length direction of the mounting plate (4) is perpendicular to the feeding direction of the feeding table (5), two ends of the length direction of the mounting plate (4) are vertically provided with elastic plates (41), two elastic plates (41) are provided with hemispherical limiting blocks (42) at the upper ends of opposite sides, two elastic plates (41) are arranged between the mounting plate (4) vertically provided with mounting blocks (43), a pressing plate (44) is vertically rotatably arranged at the upper ends of the mounting blocks (43), the mounting plate (4) positioned at two sides of the mounting blocks (43) is provided with buttons (45), the buttons (45) are connected with fixed air cylinders (21), the pressing plate (44) can rotate to abut against any button (45), when the pressing plate (44) abuts against the button (45), the limiting block (42) on the elastic plate (41) on one side of the pressed button (45) is matched and clamped with the pressing plate (44).