CN214992250U

CN214992250U - Auxiliary pressing device for sewing machine

Info

Publication number: CN214992250U
Application number: CN202120374437.7U
Authority: CN
Inventors: 祝鹤男; 吴宝裕
Original assignee: Dalian Yayi Garment Co ltd
Current assignee: Dalian Yayi Garment Co ltd
Priority date: 2021-02-18
Filing date: 2021-02-18
Publication date: 2021-12-03
Anticipated expiration: 2031-02-18

Abstract

The utility model discloses an auxiliary pressing device for sewing machine, which comprises a guide sleeve, a telescopic rod and a pressing plate, wherein the top of the guide sleeve is fixedly provided with a top plate, a lifting component is arranged between the top plate and the telescopic rod, one side of the telescopic rod, which is far away from the top plate, is provided with a guide hole, a guide block is in sliding fit in the guide hole, a first spring is arranged between the guide block and the top of the guide hole, the bottom of the guide block is fixedly provided with an installation rod, the bottom of the installation rod is fixedly provided with the pressing plate, one side of the pressing plate is obliquely provided with a guide plate, the pressing plate is provided with a pre-tightening component, the stable tightening pressure can be provided for cloth by the pressing of the lifting component and the first spring, so that the sewing quality of the cloth is stable, and the pre-tightening component can be matched with the guide plate to pre-tighten and guide the cloth before entering the pressing plate, the cloth which passes through quickly can be prevented from being scratched by the pressed pressing plate.

Description

Auxiliary pressing device for sewing machine

Technical Field

The utility model relates to a sewing machine technical field specifically is a sewing machine is with supplementary closing device.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like, and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient.

In order to guarantee sewing machine seam quality among the prior art, need sticis the multilayer cloth and guarantee to sew up compactly, sticiss the cloth and can make and take place to interfere between cloth and the sewing machine of high-speed removal when sewing up at a high speed, can cause the scratch even to cause the sewing machine to shut down to the cloth, can not satisfy quick sutural demand, an auxiliary pressing device for sewing machine is urgently needed.

Disclosure of Invention

An object of the utility model is to provide a sewing machine is with supplementary closing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a sewing machine is with supplementary closing device, includes guide sleeve, telescopic link and clamp plate, guide sleeve's top fixed mounting has the roof, one side fixed mounting who keeps away from the roof in the guide sleeve has first spacing snap ring, telescopic link and first spacing snap ring sliding fit, be provided with lifting unit between roof and the telescopic link, one side that the roof was kept away from to the telescopic link is provided with the guiding hole, sliding fit has the guide block in the guiding hole, be provided with first spring between guide block and the guiding hole top, the bottom fixed mounting of guide block has the installation pole, the bottom fixed mounting of installation pole has the clamp plate, the stock guide is installed to one side slope on the clamp plate, be provided with the pretension subassembly on the clamp plate.

Furthermore, a fixed rod is fixedly mounted on one side, close to the material guide plate, of the pressing plate, a connecting rod is rotatably mounted on the fixed rod, a roller is rotatably mounted on one side, away from the fixed rod, of the connecting rod, a second spring is fixedly connected to the middle of the connecting rod, and one side, away from the connecting rod, of the second spring is fixedly mounted on the mounting rod.

Further, the bottom fixed mounting has the spacing snap ring of second in the guiding hole, be provided with the square hole on the spacing snap ring of second, sliding fit has the installation pole in the square hole, the cross-section of installation pole is the square.

Further, both sides fixed mounting has the guide way board in the guide sleeve, the top of telescopic link is provided with the internal thread hole, both sides fixed mounting has the sliding block on the telescopic link, sliding block and telescopic link sliding fit, the bottom fixed mounting of roof has driving motor, driving motor's output fixed mounting has the threaded rod, threaded rod and internal thread hole screw thread normal running fit.

Furthermore, fixed plates are fixedly mounted on two sides of the top of the guide sleeve, and mounting holes are formed in the fixed plates.

Compared with the prior art, the beneficial effects of the utility model are that: the lifting assembly is matched with the first spring to tightly press the pressing plate, stable tight pressure can be provided for the cloth, the cloth sewing quality is stable, the guide plate is matched with the pre-tightening assembly to pre-tighten and guide the cloth before entering the pressing plate, and the cloth passing quickly can be guaranteed not to be scratched by the tightly pressed pressing plate.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the region a of the present invention.

Fig. 3 is a schematic structural view of the second limiting snap ring of the present invention.

In the figure: 1-a guide sleeve, 2-a top plate, 3-a fixed plate, 4-a mounting hole, 5-a first limit snap ring, 6-a guide groove plate, 7-a telescopic rod, 8-a sliding block, 9-an internal threaded hole, 10-a driving motor, 11-a threaded rod, 12-a guide hole, 13-a guide block, 14-a first spring, 15-a second limit snap ring, 16-a mounting rod, 17-a square hole, 18-a pressing plate, 19-a guide plate, 20-a fixed rod, 21-a connecting rod, 22-a roller and 23-a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, in an embodiment of the present invention, an auxiliary pressing device for a sewing machine includes a guide sleeve 1, a telescopic rod 7 and a pressing plate 18, a top plate 2 is fixedly installed at the top of the guide sleeve 1, a first limit snap ring 5 is fixedly installed at one side of the guide sleeve 1 away from the top plate 2, the telescopic rod 7 is in sliding fit with the first limit snap ring 5, a lifting assembly is disposed between the top plate 2 and the telescopic rod 7 to drive the telescopic rod 7 to move up and down in a vertical direction, a guide hole 12 is disposed at one side of the telescopic rod 7 away from the top plate 2, a guide block 13 is slidably fitted in the guide hole 12, a first spring 14 is disposed between the guide block 13 and the top of the guide hole 12, an installation rod 16 is fixedly installed at the bottom of the guide block 13, the pressing plate 18 is fixedly installed at the bottom of the installation rod 16, the pressing plate 18 can be pressed on a cloth under the elastic force of the first spring 14, the lifting assembly can be used for adjusting the telescopic rod 7 up and down to provide stable tight pressure for cloth with different thicknesses, the guide plate 19 is obliquely arranged on one side of the pressing plate 18, the guide plate 19 can prevent the cloth from being pulled to cause damage between the raised cloth and the pressing plate 18, the guide plate 19 can guide the cloth to enable the cloth to stably enter the bottom of the pressing plate 18, the pre-tightening assembly is arranged on the pressing plate 18 and can compress the cloth which does not enter the bottom of the pressing plate 18 in advance, the cloth is guaranteed to keep stable thickness before entering the bottom of the pressing plate 18, and flaws in the later sewing process can be effectively reduced.

The fixing rod 20 is fixedly mounted on one side, close to the material guide plate 19, of the pressing plate 18, the connecting rod 21 is rotatably mounted on the fixing rod 20, the roller 22 is rotatably mounted on one side, far away from the fixing rod 20, of the connecting rod 21, the second spring 23 is fixedly connected to the middle of the connecting rod 21, one side, far away from the connecting rod 21, of the second spring 23 is fixedly mounted on the mounting rod 16, the connecting rod 21 can have a tendency of rotating counterclockwise through contraction of the second spring 23, and the roller 22 can be tightly pressed on cloth.

Bottom fixed mounting has the spacing snap ring 15 of second in the guiding hole 12, be provided with square hole 17 on the spacing snap ring 15 of second, sliding fit has installation pole 16 in the square hole 17, the cross-section of installation pole 16 is the square for do not take place relative rotation when installation pole 16 and square hole 17 sliding fit, can make the clamp plate 18 and the cylinder 22 and the direction of feed keep relatively stable of bottom.

Example 2

Please refer to fig. 1-3, in the embodiment of the present invention, both sides fixed mounting has guide groove plate 6 in guide sleeve 1, the top of telescopic link 7 is provided with internal thread hole 9, both sides fixed mounting has sliding block 8 on telescopic link 7, sliding block 8 and telescopic link 7 sliding fit, the bottom fixed mounting of roof 2 has driving motor 10, driving motor 10's output fixed mounting has threaded rod 11, threaded rod 11 and internal thread hole 9 screw thread normal running fit, under sliding block 8 and guide groove plate 6 sliding fit's direction, threaded rod 11 and internal thread hole 9 screw thread normal running fit can make telescopic link 7 oscilaltion.

Fixed plate 3 is fixedly mounted on two sides of the top of guide sleeve 1, mounting holes 4 are formed in fixed plate 3, and guide sleeve 1 can be fixedly mounted above a sewing machine workbench through screws.

The utility model discloses a theory of operation is: after the guide sleeve 1 is fixed above a sewing machine workbench, a driving motor 10 is started to drive a threaded rod 11 to be in threaded rotation fit with an internal threaded hole 9, a sliding block 8 and a guide groove plate 6 are in sliding fit with each other to push a telescopic rod 7 and a pressing plate 18 to move downwards, the pressing plate 18 is contacted with cloth, then a first spring 14 contracts and provides extrusion force for the pressing plate 18, the pressing plate 18 provides stable pressing force for the passing cloth, the cloth can rapidly pass through a sewing part of the sewing machine while being pressed by the guide plate 19 in a matched mode, a connecting rod 21 has the trend of anticlockwise rotating around a fixing rod 20 due to the contraction of a second spring 23, a roller 22 is tightly pressed on the cloth, the cloth before entering the guide plate 19 can be preliminarily and stably pressed by the rolling of the roller 22 and the elastic action of the second spring 23, and the cloth can not be damaged when passing through the pressing plate 18 at a high speed.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An auxiliary pressing device for a sewing machine comprises a guide sleeve (1), a telescopic rod (7) and a pressing plate (18), and is characterized in that a top plate (2) is fixedly mounted at the top of the guide sleeve (1), a first limiting snap ring (5) is fixedly mounted on one side, far away from the top plate (2), of the guide sleeve (1), the telescopic rod (7) is in sliding fit with the first limiting snap ring (5), a lifting assembly is arranged between the top plate (2) and the telescopic rod (7), a guide hole (12) is formed in one side, far away from the top plate (2), of the telescopic rod (7), a guide block (13) is in sliding fit with the guide hole (12), a first spring (14) is arranged between the top of the guide block (13) and the top of the guide hole (12), a mounting rod (16) is fixedly mounted at the bottom of the guide block (13), and the pressing plate (18) is fixedly mounted at the bottom of the mounting rod (16), a guide plate (19) is obliquely arranged on one side of the pressing plate (18), and a pre-tightening assembly is arranged on the pressing plate (18).

2. The auxiliary pressing device for the sewing machine as claimed in claim 1, wherein a fixing rod (20) is fixedly installed at one side of the pressing plate (18) close to the material guiding plate (19), a connecting rod (21) is rotatably installed on the fixing rod (20), a roller (22) is rotatably installed at one side of the connecting rod (21) far away from the fixing rod (20), a second spring (23) is fixedly connected to the middle of the connecting rod (21), and one side of the second spring (23) far away from the connecting rod (21) is fixedly installed on the installation rod (16).

3. The auxiliary pressing device for the sewing machine as claimed in claim 1, wherein a second limiting snap ring (15) is fixedly mounted at the bottom in the guide hole (12), a square hole (17) is formed in the second limiting snap ring (15), a mounting rod (16) is slidably fitted in the square hole (17), and the cross section of the mounting rod (16) is square.

4. The auxiliary pressing device for the sewing machine according to claim 1, wherein guide groove plates (6) are fixedly mounted on two sides in the guide sleeve (1), an internal thread hole (9) is formed in the top of the telescopic rod (7), sliding blocks (8) are fixedly mounted on two sides of the telescopic rod (7), the sliding blocks (8) are in sliding fit with the telescopic rod (7), a driving motor (10) is fixedly mounted at the bottom of the top plate (2), a threaded rod (11) is fixedly mounted at the output end of the driving motor (10), and the threaded rod (11) is in threaded rotation fit with the internal thread hole (9).

5. The auxiliary pressing device for the sewing machine according to claim 4, wherein fixing plates (3) are fixedly installed on two sides of the top of the guide sleeve (1), and the fixing plates (3) are provided with installation holes (4).