CN213613395U

CN213613395U - Backrush device on disc drawing machine

Info

Publication number: CN213613395U
Application number: CN202021499690.7U
Authority: CN
Inventors: 潘益忠; 金明亮; 潘孝余; 罗滨滨; 周庆乐; 肖云顺; 郑送青; 潘益文
Original assignee: Zhejiang Zhongxing Equipment Co Ltd
Current assignee: Zhejiang Zhongxing Equipment Co Ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-07-06
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a backrush device on a coiling and drawing machine, including frame, vice jaw, a drum, be equipped with driven gear in the frame, the last drum that is fixed with through the gear shaft of driven gear, the drum surface has the tapering, be fixed with the chain on the drum, the other end of chain is connected with the inside and is the tapered vice jaw, there are cylinder and fixed block through the bolt fastening in the frame, both are located one side of the drum, be equipped with the sleeve of movable structure on the fixed block, the surface of sleeve is provided with the connecting rod of diagonal angle installation from top to bottom, the plunger in the cylinder is connected on the connecting rod of sleeve below, is equipped with the gyro wheel on the connecting rod of sleeve top; the utility model has the characteristics that: after the nipper jaws on the drum clamp the pointed section of the pipe, the motor is controlled to rotate in a small amplitude through the manual pulse generator, and the motor drives the drum to rotate, so that the clamping condition of the nipper jaws can be observed conveniently; after being coiled for a plurality of circles, the roller is propped against the surface of the pipe through the cylinder, so that the auxiliary pressing effect is achieved, and the pipe is prevented from popping up.

Description

Backrush device on disc drawing machine

Technical Field

The utility model relates to a collar steel pipe cold drawing equipment technical field specifically is a backrush device on coil drawbench.

Background

The coil drawing machine is a common metal drawing device, is usually used for drawing and processing small-diameter thin-walled tubes, winds the tubes on a coil drum when in use, and drives the coil drum to rotate by a motor to draw the tubes to continuously pass through a die, and has the characteristics of uninterrupted processing, high running speed, high production rate and the like. The backrush device on traditional coil stretcher is with tubular product fixed back, just directly draws the operation, at the backrush in-process easily, because the pulling force of a drum is too big, causes the tubular product front end to break away from a drum, can not draw the operation in succession, also has certain potential safety hazard, the utility model provides a backrush device has installed additional and has prestretched the mechanism and press the structure, can effectual solution problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a backrush device on dish drawbench, the motor passes through the speed reducer and drives a drum rotatory in the structure, and the section of pinching of the firm centre gripping tubular product of keeping silent on the drum through the rotation of drum, with the tubular product kinking after the reducing diameter on the drum surface.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: the utility model provides a backrush device on dish draws machine, includes the frame, keeps silent, a drum, be equipped with driven gear in the frame, be fixed with a drum through the gear shaft on the driven gear, there is the tapering on the drum surface, be fixed with the chain on the drum, the other end of chain is connected with inside keeping silent for the toper, there are cylinder and fixed block through the bolt fastening in the frame, both all are located a drum one side, be equipped with the sleeve of movable structure on the fixed block, telescopic surface is provided with the connecting rod of diagonal angle installation from top to bottom, plunger in the cylinder is connected on the connecting rod of sleeve below, is equipped with the gyro wheel on the connecting rod of sleeve top.

Preferably, a motor is arranged in the rack, the motor is connected with a driving gear through a speed reducer, and the driving gear is meshed with a driven gear at the bottom of the drum.

Preferably, the motor is provided with an externally connected manual pulse generator.

Compared with the prior art, the rewinding device on the disc-pulling machine adopting the technical scheme has the following beneficial effects: after the nipper jaws on the drum clamp the pointed section of the pipe, the motor is controlled to rotate in a small amplitude through the manual pulse generator, and the motor drives the drum to rotate, so that the clamping condition of the nipper jaws can be observed conveniently; after being coiled for a plurality of circles, the roller is propped against the surface of the pipe through the cylinder, so that the auxiliary pressing effect is achieved, and the pipe is prevented from popping up.

Drawings

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

Fig. 2 is a top view of the present invention.

Fig. 3 is a schematic view of the jaw connection structure of the present invention.

Reference numerals: 1. a frame; 2. a drum; 3. a gear shaft; 4. a roller; 5. a connecting rod; 6. a fixed block; 7. a sleeve; 8. a plunger; 9. a cylinder; 10. a driven gear; 11. a driving gear; 12. a motor; 13. a speed reducer; 14. a chain; 15. and (4) clamping jaws.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, a rewinding device on a disc stretcher comprises a frame 1, a jaw 15 and a disc drum 2, wherein the frame 1 is provided with a driven gear 10, the disc drum 2 is fixed on the driven gear 10 through a gear shaft 3, the surface of the disc drum 2 has a taper, a chain 14 is fixed on the disc drum 2, the other end of the chain 14 is connected with the jaw 15 with a taper inside, the frame 1 is fixed with a cylinder 9 and a fixed block 6 through bolts, both of which are positioned at one side of the disc drum 2, the fixed block 6 is provided with a sleeve 7 with a movable structure, the surface of the sleeve 7 is provided with a connecting rod 5 which is diagonally installed up and down, a plunger 8 in the cylinder 9 is connected on the connecting rod 5 below the sleeve 7, the connecting rod 5 above the sleeve 7 is provided with a roller 4, the frame 1 is internally provided with a motor 12, and the motor, the driving gear 11 is meshed with the driven gear 10 at the bottom of the drum 2, and the motor 12 is provided with an externally connected manual pulse generator.

In practical use, as shown in fig. 1 and 3, the end of a pipe is sharpened manually, the sharpened pipe is inserted into a jaw 15, the jaw 15 with a conical inner hole firmly clamps the pipe, an externally connected manual pulse generator is arranged on a motor 12, the motor 12 is connected with a driving gear 11 through a speed reducer 13, the driving gear 11 is meshed with a driven gear 10 at the bottom of a drum 2, the drum 2 is fixed on the driven gear 10 through a gear shaft 3, the motor 12 drives the drum 2 to rotate slowly through a gear drive belt by manually controlling the manual pulse generator, the drum 2 is connected with the jaw 15 through a chain 14, the jaw 15 pulls the pipe to rewind, the manual pulse generator is similar to a hand wheel on a numerical control machine, the rotating speed of the motor 12 is controlled by the manual pulse generator, so that the slow circle of the pipe is coiled on the drum 2, after a plurality of circles, the pipe is firmly wound on the drum 2, the motor 12 is switched to a normal working state, and the normal running speed is recovered through the PLC.

As shown in fig. 2, a cylinder 9 and a fixed block 6 are fixed on the frame 1 through bolts, a sleeve 7 with a movable structure is arranged on the fixed block 6, a connecting rod 5 which is diagonally arranged up and down is arranged on the surface of the sleeve 7, a plunger 8 in the cylinder 9 is connected to the connecting rod 5 below the sleeve 7, and a roller 4 is arranged on the connecting rod 5 above the sleeve 7; after the coiling of a plurality of rings of tubular products of drum 2, cylinder 9 begins work, and cylinder 9 makes the plunger 8 of its front end move forward, and plunger 8 promotes connecting rod 5 of sleeve 7 below and moves forward, makes sleeve 7 at 6 surface anticlockwise rotations of fixed block, and connecting rod 5 of sleeve 7 upper surface moves to the opposite direction of plunger 8 like this, makes the gyro wheel 4 of sleeve 7 upper surface connecting rod 5 front end press on the surface of drum 2 tubular product, plays the effect of pressing, and prevention tubular product pops out, resists the tension of crooked tubular product.

The above is the preferred embodiment of the present invention, and a person skilled in the art can make several modifications and improvements without departing from the principle of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims

1. The rewinding device on the disc drawing machine comprises a rack (1), a jaw (15) and a disc barrel (2), and is characterized in that a driven gear (10) is arranged on the rack (1), the disc barrel (2) is fixed on the driven gear (10) through a gear shaft (3), the surface of the disc barrel (2) has conicity, a chain (14) is fixed on the disc barrel (2), the other end of the chain (14) is connected with the jaw (15) with the conical inner part, a cylinder (9) and a fixed block (6) are fixed on the rack (1) through bolts, both of which are positioned on one side of the disc barrel (2), a sleeve (7) with a movable structure is arranged on the fixed block (6), a connecting rod (5) which is installed at the upper diagonal and the lower diagonal is arranged on the surface of the sleeve (7), a plunger (8) in the cylinder (9) is connected on the connecting rod (5) below the sleeve, the connecting rod (5) above the sleeve (7) is provided with a roller (4).

2. The rewinding device on a disc-type drawing machine according to claim 1, characterized in that a motor (12) is arranged inside the frame (1), the motor (12) is connected with a driving gear (11) through a speed reducer (13), and the driving gear (11) is meshed with a driven gear (10) at the bottom of the drum (2).

3. The rewinding device on a disc-drawing machine according to claim 2, characterized in that said motor (12) is provided with an externally connected manual pulse generator.