CN215628617U

CN215628617U - Synchronous feeding assembly for sewing machine tug

Info

Publication number: CN215628617U
Application number: CN202121464891.8U
Authority: CN
Inventors: 黄立财; 孙君
Original assignee: Shenzhen Redsun Automation Equipment Co ltd
Current assignee: Shenzhen Redsun Automation Equipment Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-01-25
Anticipated expiration: 2031-06-29

Abstract

The utility model relates to the technical field of sewing machines and discloses a synchronous feeding assembly for a sewing machine tug, which comprises a rack, wherein a tray is fixedly arranged on the right side of the rack, a driving motor with one end penetrating through the rack and extending into the tray is fixedly arranged on the left side of the rack, a tug group positioned above the tray is fixedly arranged on the right side of the rack, a cover plate is fixedly arranged at the bottom of the tray, an auxiliary wheel is arranged in the tray, a connecting hole is formed in the auxiliary wheel, a bearing seat is fixedly arranged on the right side wall in the tray, and an inserting rod with one end extending into the bearing seat is inserted into the connecting hole. This a synchronous pay-off subassembly for sewing machine tow boat possesses advantages such as convenient change, has solved present sewing machine tow boat and has all carried out synchronous pay-off through setting up at the inside tow boat with the specification tow boat of tow boat mechanism, because this kind is installed inside the mechanism, very troublesome problem when impaired change.

Description

Synchronous feeding assembly for sewing machine tug

Technical Field

The utility model relates to the technical field of sewing machines, in particular to a synchronous feeding assembly for a dragging wheel of a sewing machine.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of the sewing material to be interwoven or sewn, 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, the sewn stitches are neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, and artistic forms such as hand-push embroidery computer embroidery and the like are derived.

At present, the sewing machine tug is synchronously fed through the tug with the specification arranged inside the tug mechanism, and the tug is arranged inside the mechanism and is very troublesome to damage and replace.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a synchronous feeding component for a sewing machine tug, which has the advantages of convenience in replacement and the like, and solves the problem that the conventional sewing machine tug carries out synchronous feeding through tugs with the same specification arranged in a tug mechanism, and is very troublesome in damage and replacement due to the fact that the tugs are arranged in the mechanism.

(II) technical scheme

The technical scheme for solving the technical problems is as follows: the utility model provides a synchronous pay-off subassembly for sewing machine tow boat, includes the frame, the right side fixed mounting of frame has the tray, the left side fixed mounting of frame has one end to run through the frame and extend to the inside driving motor of tray, the right side fixed mounting of frame has the tow boat group that is located the tray top, the bottom fixed mounting of tray has the apron, the inside of tray is provided with the jockey pulley, spacing hole has been seted up to the inside of jockey pulley, the inside right side wall fixed mounting of tray has the bearing frame, the inside grafting in spacing hole has the inserted bar that one end extends to the bearing frame, driving motor extends to the inside one end fixed mounting of tray has the connector, the inside threaded connection in spacing hole has one end to extend to the inside screw rod of connector.

The utility model has the beneficial effects that:

this a synchronous pay-off subassembly for sewing machine tow boat, when supporting tow boat damages, can open the apron, make the jockey pulley expose from the tray below, reuse presss from both sides the instrument restriction screw rod radial motion of subclass, stir the jockey pulley simultaneously, spacing hole and screw rod screw thread interlock, make the screw rod line move, break away from in spacing hole, treat when the screw rod supports the inserted bar, break away from in the screw rod accomplishes the connector, keep the certain distance with tray inside simultaneously, then to the left side pulling, take out the inserted bar from the bearing frame, jockey pulley both ends restriction contact like this, take out the jockey pulley from the below breach at last, the jockey pulley that more renews again, and through such a mode, the purpose of convenient change has been reached.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the tray includes the casing, first connecting hole has been seted up to the inside of casing, the second connecting hole with first connecting hole intercommunication is seted up to the inside of casing, the second connecting hole all communicates with casing top and bottom.

Adopt above-mentioned further scheme's beneficial effect to be, through the installation of first connecting hole cooperation driving motor, and the second connecting hole is used for placing the auxiliary wheel to the auxiliary wheel exposes from the tray top in time, and the cooperation tug is organized the pay-off.

Furthermore, the cover plate is L-shaped, the cover plate is positioned below the second connecting hole, and the transverse end of the cover plate is tightly attached to the shell.

Adopt above-mentioned further scheme's beneficial effect be, through apron and tray interference fit, sealed the second connecting hole, conveniently open, closed.

Further, spacing hole includes the screw hole, the left side of jockey pulley sets up threaded hole, the jack that communicates with the screw hole is seted up on the right side of jockey pulley, jack and inserted bar interference fit, screw hole and screw rod looks adaptation.

Adopt above-mentioned further scheme's beneficial effect be connected with the inserted bar by the jack, the screw hole is connected with the screw rod, forms the inner shaft of auxiliary wheel, can directly replace the auxiliary wheel.

Further, the screw rod includes the body of rod, the left side of jockey pulley is provided with the body of rod of being connected with the screw hole, the left side fixed mounting of the body of rod has one end to extend to the inside wear-resisting piece of first connecting hole, the length of the body of rod is less than the length of screw hole.

Adopt above-mentioned further scheme's beneficial effect to be, during the change, the body of rod is taken in threaded hole completely, and leaves the interval between wear-resisting piece and the second connecting hole, convenient operation.

Further, the cross section of the connector is in a concave shape, and the inner side wall of the connector is tightly attached to the wear-resistant block.

Adopt above-mentioned further scheme's beneficial effect to be hugged closely through wear-resisting piece and connector, make the auxiliary wheel frame establish in the second connecting hole, carry out the auxiliary wheel installation like this.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a front cross-sectional view of the tray of the present invention;

FIG. 4 is an enlarged view of the structure of the present invention at A.

In the figure: 1. a frame; 2. a tray; 21. a housing; 22. a first connection hole; 23. a second connection hole; 3. a drive motor; 4. a dragging wheel group; 6. a cover plate; 7. an auxiliary wheel; 8. a limiting hole; 81. a threaded hole; 82. a jack; 9. a screw; 91. a rod body; 92. a wear-resistant block; 10. a bearing seat; 11. inserting a rod; 12. a connecting head.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the embodiment, as shown in fig. 1-4, the synchronous feeding assembly for the tug of the sewing machine comprises a frame 1, a tray 2 is fixedly arranged on the right side of the frame 1, the tray 2 comprises a shell 21, a first connecting hole 22 is formed in the shell 21, a second connecting hole 23 communicated with the first connecting hole 22 is formed in the shell 21, the second connecting hole 23 is communicated with the top and the bottom of the shell 21, a driving motor 3 with one end penetrating through the frame 1 and extending into the tray 2 is fixedly arranged on the left side of the frame 1, a tug unit 4 positioned above the tray 2 is fixedly arranged on the right side of the frame 1, a cover plate 6 is fixedly arranged at the bottom of the tray 2, the cover plate 6 is in an L shape, the cover plate 6 is positioned below the second connecting hole 23, the transverse end of the cover plate 6 is tightly attached to the shell 21, an auxiliary wheel 7 is arranged in the tray 2, a limiting hole 8 is formed in the auxiliary wheel 7, the limiting hole 8 comprises a threaded hole 81, the left side of the auxiliary wheel 7 is provided with a threaded hole 81, the right side of the auxiliary wheel 7 is provided with a jack 82 communicated with the threaded hole 81, the jack 82 is in interference fit with an inserted rod 11, the threaded hole 81 is matched with a screw 9, the right side wall inside the tray 2 is fixedly provided with a bearing seat 10, the inside of the limiting hole 8 is inserted with the inserted rod 11 of which one end extends into the bearing seat 10, one end of a driving motor 3 extending into the inside of the tray 2 is fixedly provided with a connector 12, the inside of the limiting hole 8 is in threaded connection with the screw 9 of which one end extends into the connector 12, the screw 9 comprises a rod body 91, the left side of the auxiliary wheel 7 is provided with a rod body 91 connected with the threaded hole 81, the left side of the rod body 91 is fixedly provided with a wear-resistant block 92 of which one end extends into the first connecting hole 22, the length of the rod body 91 is smaller than that of the threaded hole 81, and the cross section of the connector 12 is in a concave shape, the wear block 92 is closely attached to the inner side wall of the connector 12.

The working principle is as follows:

the first step is as follows: the cover plate 6 can be opened to enable the auxiliary wheel 7 to be exposed out of the lower part of the tray 2, the screw rod 9 is limited to move radially by a clamp-like tool, the auxiliary wheel 7 is simultaneously pulled, the limiting hole 8 is meshed with the screw rod 9 in a threaded manner, the screw rod 9 moves linearly and is separated from the limiting hole 8, when the screw rod 9 abuts against the inserted link 11, the screw rod 9 is separated from the connector 12, and a certain distance is kept between the screw rod 9 and the inner part of the tray 2;

the second step is that: then pulling to the left to draw the inserted rod 11 out of the bearing seat 10, so that the two ends of the auxiliary wheel 7 are limited to contact;

the third step: and finally, taking the auxiliary wheel 7 out of the gap below, and replacing the auxiliary wheel 7 with a new one.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A synchronous feeding component for a sewing machine tug comprises a frame (1), and is characterized in that: a tray (2) is fixedly arranged on the right side of the frame (1), a driving motor (3) with one end penetrating through the frame (1) and extending into the tray (2) is fixedly arranged on the left side of the frame (1), a dragging wheel group (4) positioned above the tray (2) is fixedly arranged on the right side of the frame (1), a cover plate (6) is fixedly arranged at the bottom of the tray (2), an auxiliary wheel (7) is arranged inside the tray (2), a limiting hole (8) is arranged inside the auxiliary wheel (7), a bearing seat (10) is fixedly arranged on the right side wall inside the tray (2), an inserting rod (11) with one end extending into the bearing seat (10) is inserted into the limiting hole (8), one end of the driving motor (3) extending to the interior of the tray (2) is fixedly provided with a connector (12), the internal thread of the limiting hole (8) is connected with a screw rod (9) with one end extending to the inside of the connector (12).

2. The synchronous feed assembly for a sewing machine tug according to claim 1, characterized in that: tray (2) include casing (21), first connecting hole (22) have been seted up to the inside of casing (21), second connecting hole (23) with first connecting hole (22) intercommunication are seted up to the inside of casing (21), second connecting hole (23) all communicate with casing (21) top and bottom.

3. The synchronous feed assembly for a sewing machine tug according to claim 2, characterized in that: the cover plate (6) is L-shaped, the cover plate (6) is located below the second connecting hole (23), and the transverse end of the cover plate (6) is tightly attached to the shell (21).

4. A synchronous feed assembly for a sewing machine tug according to claim 3, characterized in that: spacing hole (8) are including screw hole (81), screw hole (81) are seted up on the left side of auxiliary wheel (7), jack (82) with screw hole (81) intercommunication are seted up on the right side of auxiliary wheel (7), jack (82) and inserted bar (11) interference fit, screw hole (81) and screw rod (9) looks adaptation.

5. The synchronous feed assembly for a sewing machine tug according to claim 4, characterized in that: the screw rod (9) include the body of rod (91), the left side of jockey pulley (7) is provided with body of rod (91) of being connected with screw hole (81), the left side fixed mounting of the body of rod (91) has wear-resisting piece (92) that one end extends to first connecting hole (22) inside, the length of the body of rod (91) is less than the length of screw hole (81).

6. The synchronous feed assembly for a sewing machine tug according to claim 5, characterized in that: the cross section of the connector (12) is in a concave shape, and the wear-resistant block (92) is tightly attached to the inner side wall of the connector (12).