CN210394749U

CN210394749U - Pressing wheel assembly for sewing machine

Info

Publication number: CN210394749U
Application number: CN201921206561.1U
Authority: CN
Inventors: 胡德根
Original assignee: Wujiang Tongxin Precision Workpiece Factory
Current assignee: Wujiang Tongxin Precision Workpiece Factory
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-04-24
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a pinch roller subassembly for sewing machine, the test platform comprises a table top, a pair of backup pad of fixedly connected with on the lower terminal surface of mesa, respectively set up on the left end face of left backup pad and the right-hand member face of the backup pad on right side and install a clamping mechanism, lie in clamping mechanism on the mesa and locate to rotate directly over and install the rotor plate, the rotor plate is equipped with installs automatic mechanism that opens and shuts, clamping mechanism includes fixed roll and movable roller, sets up on the clamping mechanism on right side and installs actuating mechanism, actuating mechanism is connected with the fixed roll transmission, fixedly connected with sliding seat on the clamping mechanism on right side, the sliding seat slides and sets up and installs in the backup pad, and the sliding seat is installed the lead screw drive in the backup pad by rotating. The utility model relates to a simple structure, practical convenient, the pinch roller subassembly that is used for sewing machine that the practicality is strong.

Description

Pressing wheel assembly for sewing machine

Technical Field

The utility model relates to a sewing machine technical field specifically is a pinch roller subassembly for sewing machine.

Background

At present, the direction of sewing thread needs to be controlled manually by an operator in the sewing process of the existing sewing machine, and the operator is difficult to drag the cloth when encountering the cloth with larger size and heavier mass, so that the labor intensity of the operator is higher. Particularly, in the aspect of cloth propulsion, the cloth propulsion needs to be completed within a short time when a needle of the sewing machine leaves a cloth cover, the existing sewing machine for thick and large cloth is difficult to automatically complete the propulsion, and the suture is easy to deviate from a preset position due to artificial quick dragging within a short time. Therefore, a new type of pinch roller assembly for a sewing machine is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pinch roller subassembly for sewing machine 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 pinch roller subassembly for sewing machine, includes the mesa, a pair of backup pad of fixedly connected with on the lower terminal surface of mesa, respectively set up on the left end face of left backup pad and the right-hand member face of the backup pad on right side and install a clamping mechanism, lie in clamping mechanism on the mesa and locate to rotate directly over and install the rotor plate, the rotor plate is equipped with installs automatic mechanism that opens and shuts, clamping mechanism includes fixed roll and movable roll, sets up on the clamping mechanism on right side and installs actuating mechanism, actuating mechanism is connected with the fixed roll transmission, fixedly connected with sliding seat on the clamping mechanism on right side, the sliding seat slides and sets up and installs in the backup pad, and the sliding seat is installed in the backup pad by rotating the lead screw.

Preferably, the fixed roller rotates and installs in the mount upper end, the mount rotates and installs the rotating turret, the movable roller rotates and installs in the upper end of rotating turret, the rotating turret is located to rotate junction below department and sets up and installs compression spring, and the one end that the movable roller was kept away from to the rotating turret is provided with the handle.

Preferably, the automatic opening and closing mechanism comprises an electric push rod, the electric push rod is fixedly installed on the supporting plate, a connecting block is fixedly connected to the lower end face of the rotating plate, and the tail end of the telescopic end of the electric push rod is connected to the connecting block in a sliding mode.

Preferably, a cloth guide roller is arranged below the fixed roller and the movable roller.

Preferably, the driving mechanism comprises a motor, a driving wheel is fixedly connected to an output shaft of the motor, a driven wheel is fixedly mounted on a fixed roller on the right side, and the driven wheel is in transmission connection with the driving wheel through a belt.

Preferably, the screw rod is connected with a turntable which is rotatably arranged at the upper end of the supporting plate through a belt in a transmission way.

Compared with the prior art, the beneficial effects of the utility model are that: in the utility model, the cloth passes through the opening at the rotating plate and downwards penetrates between the fixed roller and the movable roller, and the penetrated cloth is clamped tightly; the driving mechanism drives the cloth to move, and the lead screw controls the trend of the cloth. The pressing handle fixing roller is separated from the movable roller so as to penetrate through the cloth, the pressing handle pressing spring is released to drive the movable roller to clamp the cloth, and the operation is convenient. The electric push rod controls the opening and closing of the rotating plate. The motor drives the fixed roller to rotate through belt transmission, and the fixed roller drives the cloth to move. The rotation of the screw rod can be controlled by rotating the rotary disc by hands, and then the back and forth movement of the sliding seat is controlled, so that the moving direction of the cloth is controlled. The utility model relates to a simple structure, practical convenient, the pinch roller subassembly that is used for sewing machine that the practicality is strong.

Drawings

FIG. 1 is a schematic view of a pinch roller assembly for a sewing machine;

fig. 2 is a partial structural view at K in fig. 1.

In the figure: 1-supporting plate, 2-table top, 3-rotating plate, 4-automatic opening and closing mechanism, 5-electric push rod, 6-connecting block, 7-fixed frame, 8-rotating frame, 9-fixed roller, 10-movable roller, 11-compression spring, 12-handle, 13-cloth guide roller, 14-driving mechanism, 15-driven wheel, 16-driving wheel, 17-motor, 18-sliding seat, 19-screw rod, 20-rotating disc and 21-clamping mechanism.

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.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a pinch roller subassembly for sewing machine, includes mesa 2, a pair of backup pad 1 of fixedly connected with on the lower terminal surface of mesa 2, respectively set up on the left end face of left backup pad 1 and the right-hand member face of backup pad 1 on right side and install a clamping mechanism 21, lie in clamping mechanism 21 on mesa 2 and locate to rotate directly over and install rotor plate 3, rotor plate 3 is equipped with and installs automatic mechanism 4 that opens and shuts, clamping mechanism 21 includes fixed roll 9 and loose roll 10, sets up on the clamping mechanism 21 on right side and installs actuating mechanism 14, actuating mechanism 14 is connected with the transmission of fixed roll 9, fixedly connected with sliding seat 18 on the clamping mechanism 21 on right side, sliding seat 18 slides and sets up and installs on backup pad 1, and sliding seat 18 is installed by rotating the 19 drives of lead screw 19 in backup pad 1.

In the using process, the rotating plate 3 is opened to place the cloth on the table top 2, then the cloth penetrates through the opening at the rotating plate 3 and downwards penetrates between the fixed roller 9 and the movable roller 10, and the penetrated cloth is clamped tightly; the driving mechanism 14 drives the cloth to move, and the lead screw 19 controls the direction of the cloth.

Preferably, the fixed roller 9 rotates and installs in the mount 7 upper end, the mount 7 rotates and installs the rotating turret 8, the movable roller 10 rotates and installs in the upper end of rotating turret 8, the rotating turret 8 is located and rotates junction below department and sets up and install pressure spring 11, and the one end that the movable roller 10 was kept away from to the rotating turret 8 is provided with handle 12.

The fixed roller 9 is separated from the movable roller 10 by pressing the handle 12 so as to penetrate the cloth, and the pressing spring 11 of the handle 12 is released to drive the movable roller 10 to clamp the cloth.

Preferably, the automatic opening and closing mechanism 4 comprises an electric push rod 5, the electric push rod 5 is fixedly installed on the supporting plate 1, a connecting block 6 is fixedly connected to the lower end face of the rotating plate 3, and the tail end of the telescopic end of the electric push rod 5 is slidably connected to the connecting block 6.

The electric push rod 5 controls the opening and closing of the rotating plate 3.

Preferably, a cloth guide roller 13 is arranged below the fixed roller 9 and the movable roller 10.

The cloth guide roller 13 is used for guiding the cloth to enter and exit the clamping mechanism 21.

Preferably, the driving mechanism 14 includes a motor 17, an output shaft of the motor 17 is fixedly connected with a driving wheel 16, a fixed roller 9 on the right side is fixedly provided with a driven wheel 15, and the driven wheel 15 is in transmission connection with the driving wheel 16 through a belt.

The motor 17 drives the fixed roller 9 to rotate through belt transmission, and the fixed roller 9 drives the cloth to move.

Preferably, the screw rod 19 is also in belt-driven connection with a turntable 20 rotatably mounted on the upper end of the support plate 1.

The rotation of the screw rod 19 can be controlled by rotating the rotary disc 20 by hand, and the back and forth movement of the sliding seat 18 can be controlled, so that the moving direction of the cloth can be controlled.

The utility model discloses a theory of operation is: the utility model relates to a pinch roller assembly for a sewing machine, in the using process, a rotating plate 3 is opened to place cloth on a table-board 2, then the cloth passes through an opening at the rotating plate 3 and downwards penetrates between a fixed roller 9 and a movable roller 10, and the cloth is clamped tightly after penetrating; the driving mechanism 14 drives the cloth to move, and the lead screw 19 controls the direction of the cloth. The fixed roller 9 is separated from the movable roller 10 by pressing the handle 12 so as to penetrate the cloth, and the pressing spring 11 of the handle 12 is released to drive the movable roller 10 to clamp the cloth. The electric push rod 5 controls the opening and closing of the rotating plate 3. The cloth guide roller 13 is used for guiding the cloth to enter and exit the clamping mechanism 21. The motor 17 drives the fixed roller 9 to rotate through belt transmission, and the fixed roller 9 drives the cloth to move. The rotation of the screw rod 19 can be controlled by rotating the rotary disc 20 by hand, and the back and forth movement of the sliding seat 18 can be controlled, so that the moving direction of the cloth can be controlled.

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. A pinch roller assembly for a sewing machine, comprising a table top (2), characterized in that: a pair of supporting plates (1) is fixedly connected on the lower end surface of the table top (2), a clamping mechanism (21) is respectively arranged on the left end surface of the supporting plate (1) on the left side and the right end surface of the supporting plate (1) on the right side, a rotating plate (3) is rotatably arranged on the table top (2) right above the clamping mechanism (21), the rotating plate (3) is provided with an automatic opening and closing mechanism (4), the clamping mechanism (21) comprises a fixed roller (9) and a movable roller (10), a driving mechanism (14) is arranged on the clamping mechanism (21) on the right side, the driving mechanism (14) is in transmission connection with the fixed roller (9), the clamping mechanism (21) on the right side is fixedly connected with a sliding seat (18), the sliding seat (18) is arranged on the supporting plate (1) in a sliding mode, and the sliding seat (18) is driven by a screw rod (19) which is rotatably arranged on the supporting plate (1).

2. The pressure wheel assembly for a sewing machine of claim 1, wherein: fixed roller (9) rotate and install in mount (7) upper end, mount (7) are rotated and are installed rotating turret (8), activity roller (10) rotate and install the upper end at rotating turret (8), rotating turret (8) are located and rotate junction below and locate to set up and install pressure spring (11), and the one end that activity roller (10) were kept away from in rotating turret (8) is provided with handle (12).

3. The pressure wheel assembly for a sewing machine of claim 1, wherein: the automatic opening and closing mechanism (4) comprises an electric push rod (5), the electric push rod (5) is fixedly installed on the supporting plate (1), a connecting block (6) is fixedly connected to the lower end face of the rotating plate (3), and the tail end of the telescopic end of the electric push rod (5) is connected to the connecting block (6) in a sliding mode.

4. The pressure wheel assembly for a sewing machine of claim 1, wherein: and a cloth guide roller (13) is arranged below the fixed roller (9) and the movable roller (10).

5. The pressure wheel assembly for a sewing machine of claim 1, wherein: the driving mechanism (14) comprises a motor (17), an output shaft of the motor (17) is fixedly connected with a driving wheel (16), a fixed roller (9) on the right side is fixedly provided with a driven wheel (15), and the driven wheel (15) is in transmission connection with the driving wheel (16) through a belt.

6. The pressure wheel assembly for a sewing machine of claim 1, wherein: the screw rod (19) is connected with a turntable (20) which is rotatably arranged at the upper end of the support plate (1) through a belt in a transmission way.