CN211522521U - Feeding device of a sewing machine - Google Patents

Abstract

The utility model provides a feeding device for a sewing machine, which comprises a worktable, a vertical column is vertically fixed on the upper end surface of the worktable, a horizontally arranged guide rail is arranged up and down on the vertical column, and two parallel rails are arranged below the guide rail along its length direction. The supporting plate is arranged along the traveling direction of the cloth, the side wall of the supporting plate is provided with a conveyor belt, and the supporting plate is provided with a driving device for driving the lower end of the conveyor belt to transmit at a uniform speed along the traveling direction of the cloth. The abutment of the fabric on the upper end of the workbench. The utility model pushes the cloth against the worktable through the pressing piece, and then drives the two conveyor belts to transmit synchronously through the driving device, so that the cloth can be fed at a uniform speed, the work intensity and fatigue of the operators are reduced, and the It is possible to guarantee sewing quality during continuous operation.

Description

Feeding device of a sewing machine

technical field

The utility model relates to the technical field of garment processing equipment, in particular to a feeding device of a sewing machine.

Background technique

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material, so that one or more layers of sewing material are interlaced or sewn together. The sewing machine can sew cotton, linen, silk, wool, man-made fibers and other fabrics and leather, plastic, paper and other products. Art forms such as computer embroidery. General sewing machines are composed of four parts: head, base, transmission and accessories.

Aiming at the above problems, the Chinese patent with the patent publication number CN209836542U proposes a sewing machine for garment making, including a workbench, a sewing machine body is fixedly installed on the top of the workbench, and a chute is fixedly installed on the top wall of the sewing machine body. The sewing machine for garment making is provided with a lighting lamp, so that the light is brighter when the staff is threading, thereby improving the threading speed and further improving the work efficiency. The position of the lighting lamp can be moved, making it more convenient for the staff to use.

The prior art scheme in the above has the following defects: when the operator sews the cloth by the sewing machine, he usually needs to pull the cloth, especially in mass production, some straight lines are stitched, and the operator is also required to pull the cloth at a uniform speed. , which makes the workers have a large workload and is easily fatigued, which is not conducive to the guarantee of the quality of fabric sewing.

Utility model content

Therefore, the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, thereby providing a feeding device for a sewing machine, which has the advantage of automatically driving the cloth to feed at a constant speed.

In order to achieve the above purpose, the present utility model provides a feeding device for a sewing machine, comprising a workbench, a vertical column is vertically fixed on the upper end surface of the workbench, and a horizontally arranged guide rail is provided on the vertical column for lifting and lowering. The bottom is provided with two parallel support plates along its length direction, the support plates are arranged along the traveling direction of the cloth, the side wall of the support plate is provided with a conveyor belt, and the support plate is provided with a lower end edge for driving the conveyor belt. For a driving device for uniform transmission of the cloth in the traveling direction, a pressing member for abutting the cloth on the upper end surface of the worktable is arranged between the two support plates.

Further, the abutting member includes an abutting plate arranged between the two supporting plates, the cross-section of the abutting plate is an "L" shape, and the corner of the abutting plate facing the cloth traveling direction is provided with The lower end of the abutting plate is flush with the outer surface of the lower end of the conveyor belt.

Further, the support plate is provided with an elastic component that drives the abutting plate to elastically press against the upper end face of the worktable.

Further, the elastic assembly includes a sleeve vertically fixed on the side wall of the support plate away from the conveyor belt, a sliding rod adapted to slide therethrough is passed through the sleeve, and the sliding The rod is fixedly connected with the abutting plate, an elastic piece is arranged between the abutting plate and the supporting plate, one end of the elastic piece is fixedly connected with the outer peripheral wall of the sleeve, and the other end is connected with the abutting plate fixed.

Further, the driving device includes a driving roller and a driven roller that are rotatably connected to both ends of the support plate in the length direction, the conveyor belt is tensioned and sleeved on the outer peripheral walls of the driving roller and the driven roller, and the support The board is provided with a motor for driving the driving roller to rotate.

Further, the lower end surface of the guide rail is provided with a T-shaped groove along its length direction, and two sliding blocks slidingly adapted to the T-shaped groove are slidably connected in the T-shaped groove. The lower end faces of the sliders are respectively fixed.

Further, the upper end surface of the guide rail is provided with a long groove communicating with the T-shaped groove, and a fixing bolt threadedly connected with the sliding block is pierced in the long groove.

Further, the side of the column close to the guide rail is provided with a lifting groove along its length direction, and a lifting screw along its length direction is rotatably connected in the lifting groove, and the lifting screw thread penetrates the end of the guide rail. , the upper end of the lifting screw extends to the upper end surface of the upright column and is fixed with a hand wheel.

The utility model provides a feeding device for a sewing machine, which has the beneficial technical effects that: after the cloth is laid flat on the upper end face of the worktable, the pressing member presses the cloth against the upper end face of the worktable but does not press the cloth, and is driven by the driving device. The two conveyor belts are conveyed synchronously, so that the fabric can be fed at a uniform speed, which reduces the work intensity and fatigue of the operators, so as to ensure the sewing quality during continuous operation as much as possible.

Description of drawings

In order to illustrate the technical solutions of the specific embodiments of the present utility model more clearly, the utility model will be further described in detail below according to the specific embodiments of the present utility model and in conjunction with the accompanying drawings.

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is a partial enlarged view of part A in Fig. 1;

3 is a schematic diagram of the overall structure of the present invention from another perspective.

The reference numerals in the figures are explained as follows.

1. Workbench; 2. Upright column; 3. Guide rail; 4. Support plate; 5. Conveyor belt; 6. Backing plate; 7. Sleeve; 8. Slide bar; Driven roller; 12, motor; 13, T-slot; 14, slider; 15, long slot; 16, fixing bolt; 17, lifting groove; 18, lifting screw; 19, hand wheel; 20, convex strip; 21 , groove.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a 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 those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal", etc. Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot It is understood as a limitation of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in Figures 1 and 2, a feeding device for a sewing machine includes a worktable 1, a vertical column 2 is fixed vertically on the upper end surface of the worktable 1, and a horizontally arranged guide rail 3 is arranged on the vertical column 2. Two parallel support plates 4 are arranged along its length direction. The support plates 4 are arranged along the traveling direction of the cloth. The side walls of the support plate 4 are provided with a conveyor belt 5. The driving device for uniform transmission, between the two support plates 4 is provided with an abutting member for abutting the cloth on the upper end face of the worktable 1; The cross-section of the plate 6 is "L"-shaped, and the corner of the abutting plate 6 toward the cloth traveling direction is provided with an arc surface.

As shown in FIG. 2 , the support plate 4 is provided with an elastic component that drives the abutting plate 6 to elastically press against the upper end surface of the worktable 1 . Sleeve 7, the sleeve 7 is provided with a sliding rod 8 which is adapted to its sliding movement, the sliding rod 8 is fixedly connected with the cloth abutting plate 6, an elastic member 9 is arranged between the cloth abutting plate 6 and the support plate 4, and the elastic member One end of 9 is fixedly connected to the outer peripheral wall of the sleeve 7 , and the other end is fixedly connected to the abutting plate 6 .

Lay the cloth flat on the upper end of the worktable 1, adjust the distance between the two support plates 4 on the guide rail 3 to match the width of the cloth, and then drive the guide rail 3 to descend on the column 2 until the outer surface of the lower end of the conveyor belt 5 Contact with the cloth and push the cloth against the upper end face of the workbench 1, at this time the cloth abutting plate 6 receives the reaction force from the workbench 1 to push the sliding rod 8 to slide in the sleeve 7, and the elastic member 9 is compressed and deformed, so that the contact The cloth plate 6 can not only elastically press the cloth on the worktable 1, but also prevent the cloth abutting plate 6 from being deflected by the cloth; and then drive the two conveyor belts 5 to transmit synchronously through the driving device, so that the cloth can be fed at a uniform speed. It can reduce the work intensity and fatigue of the operators, so as to ensure the sewing quality during continuous operation as much as possible; and the cloth abutting plate 6 can flatten the moving cloth, so as to avoid the cloth being sewed as much as possible. Wrinkles occur during the process and affect the sewing quality.

The driving device includes a driving roller 10 and a driven roller 11 that are rotatably connected to both ends of the support plate 4 in the length direction. The conveyor belt 5 is tensioned and sleeved on the outer peripheral walls of the driving roller 10 and the driven roller 11. The support plate 4 is provided with a drive roller for driving the driving roller. 10 rotates the motor 12. The motor 12 is started, and the motor 12 drives the driving roller 10 to rotate. When the driving roller 10 rotates, it drives the conveyor belt 5 that is stretched and wrapped around its outer peripheral wall to convey, and then drives the driven roller 11 to rotate, realizing the stable conveying of the cloth by the conveyor belt 5.

As shown in Figures 1 and 3, the lower end surface of the guide rail 3 is provided with a T-shaped groove 13 along its length direction. The T-shaped groove 13 is slidably connected with two sliding blocks 14 that are slidably adapted to the T-shaped groove 13. The support plates 4 are respectively fixed to the lower end surface of the slider 14, and the upper end surface of the guide rail 3 is provided with a long groove 15 that communicates with the T-shaped groove 13, and a fixing bolt 16 threadedly connected to the slider 14 is penetrated in the long groove 15; The side close to the guide rail 3 is provided with a lifting groove 17 along its length direction. The lifting groove 17 is rotatably connected with a lifting screw 18 along its length direction. The screw thread of the lifting screw 18 penetrates the end of the guide rail 3 and the upper end of the lifting screw 18 extends to the column 2. The upper end face is fixed with a handwheel 19.

When the slider 14 slides in the T-slot 13, it can drive the two support plates 4 to move with each other to change the distance between the two conveyor belts 5, and then rotate the fixing bolt 16 to fix the slider 14 on the guide rail 3, so that the slider 14 can be fixed on the guide rail 3. 14 will not be affected by the transmission of the conveyor belt 5 and slide in the T-shaped groove 13, so that the feeding device can effectively convey materials of different widths; the rotating handwheel 19 drives the lifting screw 18 to rotate, and the lifting screw 18 drives the guide rail 3 when rotating. Slide in the lift groove 17 to adjust the tightness of the conveyor belt 5 and the upper end surface of the machine table.

The principle and beneficial effects of the present utility model are:

Lay the cloth flat on the upper end face of the worktable 1, adjust the distance between the two support plates 4 on the guide rail 3 to match the width of the cloth, and then rotate the handwheel 19 to drive the lifting screw 18 to rotate to drive the guide rail 3 on the column. 2. Descend up and down until the outer surface of the lower end of the conveyor belt 5 is in contact with the cloth and the cloth is pressed against the upper end surface of the workbench 1. At this time, the cloth abutting plate 6 elastically presses the cloth against the upper end surface of the workbench 1 through the action of the elastic member 9, and then starts The motor 12 is conveyed synchronously by the two conveyor belts 5, so that the cloth can be fed at a uniform speed, which reduces the work intensity of the operator and reduces the fatigue degree, so as to ensure the sewing quality during continuous operation as much as possible; Flatten the moving fabric to avoid the fabric wrinkling during the sewing process and affecting the sewing quality as much as possible.

Obviously, the above-mentioned embodiments are only examples for clear description, and are not intended to limit the implementation manner. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. And the obvious changes or changes derived from this are still within the protection scope of the present invention.

Claims (8)

1. A feeding device for a sewing machine, characterized in that it comprises a workbench (1), a column (2) is vertically fixed on the upper end surface of the workbench (1), and a vertical column (2) is provided on the column (2). A horizontally arranged guide rail (3), two mutually parallel support plates (4) are arranged below the guide rail (3) along its length direction, the support plates (4) are arranged along the traveling direction of the cloth, and the support plates (4) A conveyor belt (5) is arranged on the side wall, and a drive device for driving the lower end of the conveyor belt (5) to transmit at a constant speed along the direction of cloth travel is arranged on the support plate (4), and the two support plates (4) A pressing piece for abutting the cloth against the upper end face of the worktable (1) is arranged therebetween. 2 . The feeding device of a sewing machine according to claim 1 , wherein the abutting member comprises a cloth abutting plate ( 6 ) arranged between the two supporting plates ( 4 ). The cross section of the cloth plate (6) is in an "L" shape, the corner of the cloth abutment plate (6) facing the cloth traveling direction is provided with an arc surface, the lower end of the cloth abutment plate (6) and the lower end of the conveyor belt (5) The outer surface is flush. 3 . The feeding device of a sewing machine according to claim 2 , wherein the support plate ( 4 ) is provided with a device that drives the cloth abutting plate ( 6 ) to elastically press against the workbench ( 1 ). 4 . Elastic components on the upper end face. 4 . The feeding device of a sewing machine according to claim 3 , wherein the elastic component comprises a vertical fixing on the side wall of the support plate ( 4 ) away from the conveyor belt ( 5 ). 5 . A sleeve (7) is provided with a sliding rod (8) adapted to its sliding movement inside the sleeve (7), the sliding rod (8) is fixedly connected to the abutting plate (6), and the An elastic member (9) is arranged between the abutting plate (6) and the support plate (4), one end of the elastic member (9) is fixedly connected to the outer peripheral wall of the sleeve (7), and the other end is connected to the outer peripheral wall of the sleeve (7). The abutting plate (6) is fixedly connected. 5 . The feeding device of a sewing machine according to claim 1 , wherein the driving device comprises a driving roller ( 10 ) and a driven roller ( 11 ) rotatably connected to both ends of the support plate ( 4 ) in the length direction. 6 . ), the conveyor belt (5) is tensioned and sleeved on the outer peripheral walls of the driving roller (10) and the driven roller (11), and the support plate (4) is provided with a drive roller (10) for driving the driving roller (10). ) rotating motor (12). 6 . The feeding device of a sewing machine according to claim 1 , wherein the lower end surface of the guide rail ( 3 ) is provided with a T-shaped groove ( 13 ) along its length direction, and the T-shaped groove ( 13 ) The inner sliding connection is provided with two sliding blocks (14) which are slidably adapted to the T-shaped grooves (13), and the two supporting plates (4) are respectively fixed to the lower end surfaces of the sliding blocks (14). 7 . The feeding device of a sewing machine according to claim 6 , wherein the upper end surface of the guide rail ( 3 ) is provided with a long groove ( 15 ) communicating with the T-shaped groove ( 13 ). 8 . The groove (15) is provided with a fixing bolt (16) threadedly connected with the sliding block (14). 8 . The feeding device of a sewing machine according to claim 1 , wherein a lifting groove ( 17 ) along the length direction of the upright column ( 2 ) is provided on the side close to the guide rail ( 3 ). 9 . The lifting groove (17) is rotatably connected with a lifting screw (18) along its length direction, the screw thread of the lifting screw (18) penetrates the end of the guide rail (3), and the upper end of the lifting screw (18) extends to the end of the lifting screw (18). The upper end surface of the upright column (2) is fixedly connected with a hand wheel (19).

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