CN211420511U

CN211420511U - Thread feeding tension control device for winding drum of sewing machine

Info

Publication number: CN211420511U
Application number: CN201920819432.3U
Authority: CN
Inventors: 曹红
Original assignee: Siyang Guohong Garment Co ltd
Current assignee: Siyang Guohong Garment Co ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-09-04
Anticipated expiration: 2029-06-03

Abstract

The utility model relates to the technical field of clothing production equipment, in particular to a thread feeding tension control device for a winding drum of a sewing machine, which comprises a sewing machine body, wherein the sewing machine body comprises a machine head and a machine base, the machine head is provided with a machine needle, the other end relative to the machine head is the machine base, a fixed column is fixedly installed at the upper end of the machine base, the upper end of the fixed column is fixed on an inner ring of a bearing, the bearing is fixedly connected with a lower disc, the lower disc is hollow inside, the outer edge of the lower disc is provided with a rack, the upper end of the middle part of the lower disc is fixedly provided with a pipe body, a cavity is arranged inside the pipe body, the upper end of the pipe body is provided with an upper disc, a fixed plate is; this device is through the regulation to tension, realizes the control of sewing thread elasticity, prevents that the sewing thread from tension the emergence fracture, prevents that the sewing thread from loosing too and influencing the sewing quality, has improved the sewing quality.

Description

Thread feeding tension control device for winding drum of sewing machine

Technical Field

The utility model relates to a clothing production facility technical field specifically is a sewing machine reel send line tension control 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. And derives the artistic forms of hand-push embroidery, computer embroidery, etc.

In the operation process of the traditional sewing machine, a needle moves up and down quickly, the tightness of a sewing thread has great influence on the sewing effect of the sewing machine, the sewing thread is too tight, and the sewing thread is easy to break in the sewing process of the needle moving up and down to influence the sewing efficiency; if the sewing thread is too loose, which affects the sewing quality.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at: provides a thread feeding tension control device for a winding drum of a sewing machine, which aims to solve the problems existing in the prior art in the background technology.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a tension control device for thread feeding of a winding drum of a sewing machine comprises a sewing machine body, wherein the sewing machine body comprises a machine head and a machine base, the machine head is provided with a machine needle, the other end of the machine head is the machine base, the upper end of the machine base is fixedly provided with a fixed column, the upper end of the fixed column is fixed on an inner ring of a bearing, the bearing is fixedly connected with a lower disc, the lower disc is hollow, the outer edge of the lower disc is provided with a rack, the upper end of the middle part of the lower disc is fixedly provided with a pipe body, a cavity is arranged inside the pipe body, the upper end of the pipe body is provided with an upper disc, the side surface of the machine base is fixedly provided with a fixed plate, the fixed plate is connected with a rotating shaft, the rotating shaft vertically penetrates through the fixed plate, the lower surface of the fixed plate is fixedly provided, first lock nut with be equipped with the gasket between second lock nut, first lock nut with be equipped with the spring between the friction disc, spring one end with friction disc sliding connection, the spring other end with first lock nut is connected, the pivot upper end is fixed with the gear, the gear with the disc rotates down to be connected, the aircraft nose upper end is fixed with the dead lever, the dead lever rotates and is connected with the gyro wheel.

Further, the upper disc is in threaded connection with the pipe body; the upper disc is convenient to disassemble due to threaded connection, the winding drum is sleeved on the drum body, and the upper disc is disassembled when the winding drum needs to be replaced, so that the winding drum is convenient to replace.

Further, a fixing ring is arranged between the machine head and the machine base, the fixing ring is fixed on the upper surface of the sewing machine body, and a fixing ring is fixed on the side surface of the machine head; the sewing thread penetrates into the fixing ring, so that the thread inlet track of the sewing thread is fixed conveniently, and the sewing thread is prevented from being inclined to influence the operation.

(III) advantageous effects

(1) The upper disc is in threaded connection with the pipe body; the upper disc is convenient to disassemble due to threaded connection, the winding drum is sleeved on the drum body, and the upper disc is disassembled when the winding drum needs to be replaced, so that the winding drum is convenient to replace.

(2) The sewing thread penetrates into the fixing ring through the fixing ring, so that the thread inlet track of the sewing thread is fixed conveniently, and the sewing thread is prevented from being inclined to influence operation.

The utility model relates to a sewing machine reel send line tension control device realizes sending the tensile control of line through setting up tension control subassembly in lower disc side, and the sewing line reel cover is on the barrel, and lower disc and gear connection rotate in step, and the rotation of gear receives the frictional force effect of spring and friction disc, adjusts the lock nut, realizes the control of spring elasticity, and the spring is tighter, and frictional force is bigger, and tension is bigger, adjusts the lock nut according to the tension demand of sewing line; the sewing thread passes through the fixing ring and the roller from the upper end, and the roller is convenient for conveying the sewing thread; this device is through the regulation to tension, realizes the control of sewing thread elasticity, prevents that the sewing thread from tension the emergence fracture, prevents that the sewing thread from loosing too and influencing the sewing quality, has improved the sewing quality.

Drawings

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

FIG. 2 is an enlarged structural diagram of the middle circle structure of the present invention;

in the figure: 1-sewing machine body, 101-machine head, 102-machine base, 103-machine needle, 2-fixed column, 3-lower disk, 31-bearing, 4-tube body, 5-upper disk, 6-fixed plate, 7-rotating shaft, 8-friction plate, 9-spring, 10-first locking nut, 11-second locking nut, 102-gasket, 13-gear, 14-fixed ring, 15-fixed rod and 16-roller.

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:

a tension control device for thread feeding of a winding drum of a sewing machine comprises a sewing machine body 1, the sewing machine body 1 comprises a machine head 101 and a machine base 102, the machine head 101 is provided with a machine needle 103, the other end opposite to the machine head 101 is the machine base 102, the upper end of the machine base 102 is fixedly provided with a fixing column 2, the upper end of the fixing column 2 is fixed on the inner ring of a bearing 31, the bearing 31 is fixedly connected with a lower disc 3, the lower disc 3 is hollow, the outer edge of the lower disc 3 is provided with a rack, the upper end of the middle part of the lower disc 3 is fixedly provided with a pipe body 4, the inner part of the pipe body 4 is provided with a cavity, the upper end of the pipe body 4 is provided with an upper disc 5, the side surface of the machine base 102 is fixedly provided with a fixing plate 6, the fixing plate 6 is connected with a rotating shaft 7, the rotating shaft 7, a gasket 12 is arranged between the first locking nut 10 and the second locking nut 11, a spring 9 is arranged between the first locking nut 10 and the friction plate 8, one end of the spring 9 is connected with the friction plate 8 in a sliding mode, the other end of the spring 9 is connected with the first locking nut 10, a gear 13 is fixed at the upper end of the rotating shaft 7, the gear 13 is connected with the lower disc 5 in a rotating mode, a fixing rod 15 is fixed at the upper end of the machine head 101, and the fixing rod 15 is connected with a roller 16 in a rotating mode.

The upper disc 5 is in threaded connection with the pipe body 4; the upper disc is convenient to disassemble due to threaded connection, the winding drum is sleeved on the drum body, and the upper disc is disassembled when the winding drum needs to be replaced, so that the winding drum is convenient to replace.

A fixing ring 14 is arranged between the machine head 101 and the machine base 102, the fixing ring 14 is fixed on the upper surface of the sewing machine body 1, and the fixing ring 14 is fixed on the side surface of the machine head 101; the sewing thread penetrates into the fixing ring, so that the thread inlet track of the sewing thread is fixed conveniently, and the sewing thread is prevented from being inclined to influence the operation.

Other connections of this embodiment are welded or bolted connections.

The working principle is as follows: the utility model relates to a sewing machine reel send line tension control device realizes sending the tensile control of line through setting up tension control subassembly in lower disc side, and the sewing line reel cover is on the barrel, and lower disc and gear connection rotate in step, and the rotation of gear receives the frictional force effect of spring and friction disc, adjusts the lock nut, realizes the control of spring elasticity, and the spring is tighter, and frictional force is bigger, and tension is bigger, adjusts the lock nut according to the tension demand of sewing line; the sewing thread passes through the fixing ring and the roller from the upper end, and the roller is convenient for conveying the sewing thread; this device is through the regulation to tension, realizes the control of sewing thread elasticity, prevents that the sewing thread from tension the emergence fracture, prevents that the sewing thread from loosing too and influencing the sewing quality, has improved the sewing quality.

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. The utility model provides a sewing machine reel send line tension control device, includes sewing machine body (1), sewing machine body (1) includes aircraft nose (101) and frame (102), aircraft nose (101) are equipped with eedle (103), for the other end of aircraft nose (101) is frame (102), its characterized in that: the upper end of the machine base (102) is fixedly provided with a fixed column (2), the upper end of the fixed column (2) is fixed on an inner ring of a bearing (31), the bearing (31) is fixedly connected with a lower disc (3), the lower disc (3) is hollow, a rack is arranged on the outer edge of the lower disc (3), a pipe body (4) is fixedly arranged at the upper end of the middle part of the lower disc (3), a cavity is arranged inside the pipe body (4), an upper disc (5) is arranged at the upper end of the pipe body (4), a fixed plate (6) is fixedly arranged on the side surface of the machine base (102), the fixed plate (6) is connected with a rotating shaft (7), the rotating shaft (7) vertically penetrates through the fixed plate (6), a friction plate (8) is fixed on the lower surface of the fixed plate (6), the friction plate (8) is sleeved on the surface of the rotating shaft (7), and a first locking nut (10) and a second, first lock nut (10) with be equipped with gasket (12) between second lock nut (11), first lock nut (10) with be equipped with spring (9) between friction disc (8), spring (9) one end with friction disc (8) sliding connection, the spring (9) other end with first lock nut (10) are connected, pivot (7) upper end is fixed with gear (13), gear (13) with lower disc (3) rotate to be connected, aircraft nose (101) upper end is fixed with dead lever (15), dead lever (15) rotate and are connected with gyro wheel (16).

2. The thread feeding tension control device of the sewing machine reel as claimed in claim 1, wherein: the upper disc (5) is in threaded connection with the pipe body (4).

3. The thread feeding tension control device of the sewing machine reel as claimed in claim 1, wherein: the sewing machine is characterized in that the machine head (101) and the machine base (102) are provided with fixing rings (14) therebetween, the fixing rings (14) are fixed on the upper surface of the sewing machine body (1), and the side surfaces of the machine head (101) are fixed with the fixing rings (14).