CN212371345U - Two-way mantle fiber machine - Google Patents

Abstract

The utility model discloses a bidirectional threading machine, which comprises a sliding table, a reduction box, a die head and a constant pressure pushing device; the reduction box is fixedly connected to the upper surface of the center of the sliding table, the die head is provided with a pair of die heads which are respectively positioned at two ends of the reduction box, the die heads are connected with the sliding table in a sliding manner, the central axis of the reduction box is parallel to the central axis of the die heads, and the sliding direction of the die heads relative to the sliding table is parallel to the central axis of the die heads; the die head is positioned between the constant pressure pushing device and the reduction box, and the constant pressure pushing device comprises a guide column, a pressing block, an air bag and an air cylinder; guide post and slip table fixed connection, the vertical setting of guide post, the vertical sliding connection of briquetting and guide post, the gasbag clamp is located between briquetting and the slip table, the cylinder body and the slip table fixed connection of cylinder, the air inlet and the gasbag intercommunication of cylinder, the piston rod of cylinder is located between gasbag and die head, after the cylinder extension, the one end that the gasbag was kept away from to the cylinder can with die head butt, the rotation of two die heads is opposite.

Description

Two-way mantle fiber machine

Technical Field

The utility model relates to a metal cutting equipment technical field, in particular to two-way mantle fiber machine.

Background

The threading machine is also called an electric threading machine, an electric pipe cutting threading machine, a wire twisting machine, a pipe thread threading machine and a steel bar threading machine. The threading machine electrically drives a manual pipe thread strander before 1980, so that the pipe thread processing during the pipeline installation becomes easy and quick, and the labor intensity of pipeline installation workers is reduced.

Threading machines are generally composed of: slip table, motor, reducing gear box, pipe chuck and die head are constituteed, and the motor is located inside the reducing gear box, die head and slip table sliding connection, and the motor drive pipe chuck rotates, and the pipe chuck presss from both sides the tight tubular metal resonator of treating the mantle fiber, and die head slides to cup jointing along the slip table and carries out the mantle fiber at the tubular metal resonator tip to the tubular metal resonator.

Traditional mantle fiber machine needs artifical promotion die head to move along the slip table and feeds, and die head removes the in-process, and die head receives the unable invariable that keeps of people's thrust, and it is irregular to cause the silk of cover out easily, and the inhomogeneous scheduling problem of pitch, and current mantle fiber machine can only realize one-way mantle fiber usually, once only can carry out the mantle fiber to the wherein one end of tubular metal resonator.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a two-way mantle fiber machine for solve current die head and receive the unable invariable that keeps of people's thrust, cause the irregular, the inhomogeneous problem of pitch of silk that overlap out easily, and can realize two-way mantle fiber, improve work efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a bidirectional threading machine comprises a sliding table, a reduction box, a die head and a constant pressure pushing device;

the reduction box is fixedly connected to the upper surface of the center of the sliding table, the die head is provided with a pair of die heads which are respectively positioned at two ends of the reduction box, the die heads are connected with the sliding table in a sliding manner, the central axis of the reduction box is parallel to the central axis of the die heads, and the sliding direction of the die heads relative to the sliding table is parallel to the central axis of the die heads;

the die head is positioned between the constant pressure pushing device and the reduction box, and the constant pressure pushing device comprises a guide column, a pressing block, an air bag and an air cylinder;

the guide post is fixedly connected with the sliding table, the guide post is vertically arranged, the pressing block is vertically and slidably connected with the guide post, the air bag is clamped between the pressing block and the sliding table, the cylinder body of the air cylinder is fixedly connected with the sliding table, an air inlet of the air cylinder is communicated with the air bag, a piston rod of the air cylinder is positioned between the air bag and the die head, after the air cylinder is extended, one end, far away from the air bag, of the air cylinder can be abutted against the die head, and the pressing block extrudes the air bag by means of self gravity to enable the air cylinder to extend to;

the screwing directions of the two die head are opposite.

The utility model discloses further set up to: the lateral wall of gasbag is the corrugate, and the gasbag can contract folding after receiving the extrusion along vertical direction.

The utility model discloses further set up to: the lateral wall of gasbag has elasticity, and after the gasbag shrink folding and the pressure that the gasbag received was removed, the gasbag can resume deformation and expand.

The utility model discloses further set up to: the two air bags are communicated with each other.

The utility model discloses further set up to: a communicating channel is formed in the sliding table, a communicating hole is formed in the bottom surface of the air bag, and the communicating hole is communicated with the communicating channel.

The utility model discloses further set up to: the top surface of the pressing block is fixedly connected with a handle.

The utility model discloses further set up to: the guide post top fixedly connected with anticreep piece, the guide post is cylindricly, and the anticreep piece is greater than the diameter of guide post.

To sum up, the utility model discloses following beneficial effect has:

the during operation, hold up the briquetting with the hand, with die head court remove to the tip that leans on at the tubular metal resonator, the release briquetting, press from both sides the die sleeve tight on the (holding) chuck on the reducing gear box, the inside motor of reducing gear box drives the tubular metal resonator rotation, the briquetting relies on self weight extrusion gasbag, gasbag inner space and cylinder inner space intercommunication, the inside atmospheric pressure of gasbag increases, the cylinder extension promotes die head and moves towards the direction that is close to the reducing gear box, realize the mantle fiber and feed, because briquetting weight is unchangeable, gasbag inside atmospheric pressure is unchangeable, so the cylinder is invariable to the thrust that the die head produced, realize die head at the uniform velocity steady feed, it can't keep invariable to solve current die head and receive people's thrust, it is irregular to cause the silk of cover out easily, the inhomogeneous problem of pitch, and can.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

fig. 2 is a cross-sectional view a-a of fig. 1.

In the figure, the position of the upper end of the main shaft,

1. a sliding table; 11. a communication channel; 2. a reduction gearbox; 3. a die head; 4. a constant pressure pushing device; 41. a guide post; 42. briquetting; 43. an air bag; 44. a cylinder; 45. a communicating hole; 46. a handle; 47. the anticreep piece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that, as used in the following description, the terms "front," "rear," "left," "right," "upper," "lower," "bottom" and "top" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Examples

A two-way threading machine, refer to fig. 1 and fig. 2, including sliding table 1, reduction box 2, die head 3, and constant pressure pusher jack 4; the reduction box 2 is fixedly connected to the upper surface of the center of the sliding table 1, the die head 3 is provided with a pair of dies and is respectively positioned at two ends of the reduction box 2, the die head 3 is connected with the sliding table 1 in a sliding manner, the central axis of the reduction box 2 is parallel to the central axis of the die head 3, and the sliding direction of the die head 3 relative to the sliding table 1 is parallel to the central axis of the die head 3; the die head 3 is positioned between the constant pressure pushing device 4 and the reduction box 2, and the constant pressure pushing device 4 comprises a guide post 41, a pressing block 42, an air bag 43 and an air cylinder 44; the guide post 41 is fixedly connected with the sliding table 1, the guide post 41 is vertically arranged, the pressing block 42 is vertically and slidably connected with the guide post 41, the air bag 43 is clamped between the pressing block 42 and the sliding table 1, the cylinder body of the air cylinder 44 is fixedly connected with the sliding table 1, the air inlet of the air cylinder 44 is communicated with the air bag 43, the piston rod of the air cylinder 44 is positioned between the air bag 43 and the die head 3, after the air cylinder 44 extends, one end, far away from the air bag 43, of the air cylinder 44 can be abutted against the die head 3, and the pressing block 42 extrudes the air bag 43 by means of self gravity to enable the air cylinder 44 to extend to push; the two die head 3 are opposite in rotation direction.

When the threading machine works, the press block 42 is held by hand, the die head 3 is moved to abut against the end part of the metal tube, the press block 42 is released, the threading tube is clamped on the chuck plate on the reduction gearbox 2, the motor in the reduction gearbox 2 drives the metal tube to rotate, the press block 42 extrudes the air bag 43 by the self weight, the inner space of the air bag 43 is communicated with the inner space of the air cylinder 44, the air pressure in the air bag 43 is increased, the air cylinder 44 extends and pushes the die head 3 to move towards the direction close to the reduction gearbox 2, threading feeding is realized, the air pressure in the air bag 43 is unchanged because the weight of the press block 42 is unchanged, therefore, the air cylinder 44 keeps the thrust generated by the die head 3 constant, the die head 3 is stably fed at a constant speed, the problems that the existing die head 3 cannot keep constant due to the thrust of people, the covered wire is irregular and the thread pitch is not uniform are solved, the bidirectional threading can be realized, and the working efficiency is improved.

The side wall of the airbag 43 is corrugated, and the airbag 43 can be contracted and folded after being pressed in the vertical direction. The side wall of the airbag 43 has elasticity, and after the airbag 43 is folded and the pressure applied to the airbag 43 is removed, the airbag 43 can recover to be deformed and unfolded. After the press block 42 is lifted, the air bag 43 can automatically expand and restore, the air cylinder 44 contracts to the original position, the tooth head 3 is moved to the original position, and the metal pipe is detached from the chuck on the speed reducing pipe to finish the threading processing.

The two air bags 43 are communicated, the two pressing blocks 42 have smaller difference under different conditions of the friction resistance and the compression degree of the air bags 43, the two air bags 43 are communicated, the pressure inside the two air bags 43 can be kept equal, the thrust error of the two air cylinders 44 on the two die head 3 is reduced, and the synchronism of threading the two ends of the metal pipe is improved. The inside of the sliding table 1 is provided with a communication channel 11, the bottom surface of the air bag 43 is provided with a communication hole 45, and the communication hole 45 is communicated with the communication channel 11. The top surface of the pressing block 42 is fixedly connected with a handle 46, so that the pressing block 42 can be lifted manually. The top end of the guide post 41 is fixedly connected with an anti-drop block 47, the guide post 41 is cylindrical, and the anti-drop block 47 is larger than the diameter of the guide post 41.

The specific embodiments in the present specification are only for explaining the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the claims of the present invention.

Claims (7)

1. A bidirectional threading machine is characterized in that: comprises a sliding table (1), a reduction box (2), a die head (3) and a constant pressure pushing device (4);

the reduction gearbox (2) is fixedly connected to the upper surface of the center of the sliding table (1), the die head (3) is provided with a pair of die heads and is respectively positioned at two ends of the reduction gearbox (2), the die head (3) is connected with the sliding table (1) in a sliding manner, the central axis of the reduction gearbox (2) is parallel to the central axis of the die head (3), and the sliding direction of the die head (3) relative to the sliding table (1) is parallel to the central axis of the die head (3);

the die head (3) is positioned between the constant pressure pushing device (4) and the reduction gearbox (2), and the constant pressure pushing device (4) comprises a guide post (41), a pressing block (42), an air bag (43) and an air cylinder (44);

the guide post (41) is fixedly connected with the sliding table (1), the guide post (41) is vertically arranged, the pressing block (42) is vertically connected with the guide post (41) in a sliding manner, the air bag (43) is clamped between the pressing block (42) and the sliding table (1), the cylinder body of the air cylinder (44) is fixedly connected with the sliding table (1), an air inlet of the air cylinder (44) is communicated with the air bag (43), a piston rod of the air cylinder (44) is located between the air bag (43) and the die head (3), after the air cylinder (44) extends, one end, far away from the air bag (43), of the air cylinder (44) can be abutted against the die head (3), and the pressing block (42) extrudes the air bag (43) by means of self gravity to enable the air cylinder (44) to extend to push the die head (3) to slide towards the;

the screwing directions of the two die head (3) are opposite.

2. The two-way threading machine of claim 1, wherein: the side wall of the air bag (43) is corrugated, and the air bag (43) can be contracted and folded after being extruded along the vertical direction.

3. The two-way threading machine of claim 2, wherein: the side wall of the air bag (43) has elasticity, and after the air bag (43) is folded and the pressure applied to the air bag (43) is removed, the air bag (43) can restore to be deformed and unfolded.

4. The two-way threading machine of claim 1, wherein: the two air bags (43) are communicated with each other.

5. The two-way threading machine of claim 4, wherein: a communication channel (11) is formed in the sliding table (1), a communication hole (45) is formed in the bottom surface of the air bag (43), and the communication hole (45) is communicated with the communication channel (11).

6. The two-way threading machine of claim 1, wherein: the top surface of the pressing block (42) is fixedly connected with a handle (46).

7. The two-way threading machine of claim 1, wherein: the top end of the guide column (41) is fixedly connected with an anti-falling block (47), the guide column (41) is cylindrical, and the anti-falling block (47) is larger than the diameter of the guide column (41).

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