CN211516325U

CN211516325U - Threading machine

Info

Publication number: CN211516325U
Application number: CN201922235620.4U
Authority: CN
Inventors: 刘瀚文
Original assignee: Jilin Guanheng Construction Engineering Co ltd
Current assignee: Jilin Guanheng Construction Engineering Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-09-18
Anticipated expiration: 2029-12-13

Abstract

The utility model relates to a mantle fiber machine relates to engineering machine tool equipment field, has solved the pipe chuck among the prior art and has become the die disalignment, leads to the mantle fiber unsatisfactory, influences the technical problem that the pipe used. The cutting machine is technically characterized by comprising a workbench, wherein a cutting knife rest is arranged at the front end above the workbench, and a die head is arranged on the cutting knife rest; the pipe chuck is arranged at the rear end above the workbench through a support and is provided with an automatic centering clamping mechanism, the automatic centering clamping mechanism is provided with an inserting pipe space, a pipe enters the automatic centering clamping mechanism from the inserting pipe space and is clamped through the automatic centering clamping mechanism, and the center of the automatic centering clamping mechanism is superposed with the center of the die head. The central lines of the chuck body and the die head are always overlapped, so that the pipe cannot be influenced by other external force, and the quality of the pipe threading is ensured.

Description

Threading machine

Technical Field

The utility model relates to an engineering machine tool equipment technical field, in particular to 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. The threading machine consists of: the machine body, the motor, the reduction box, the pipe chuck, the die head, the cutting knife rest, the feed gear and the cooling system.

The existing product is that the die head is placed in a cutter frame, a pipe chuck is used for fixing a pipe which is threaded, then the pipe is threaded by the die, but the installation mode can lead to the pipe chuck and the die being not coaxial, the result of the lead is that the threading is not ideal, the use of the pipe is influenced, field operators can ensure the coaxiality by placing an adjusting cushion block, but the mode is time-consuming and labor-consuming, and the effect is not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the pipe chuck among the prior art and die disalignment, it is unsatisfactory to lead to the mantle fiber, influences the technical problem that the pipe used, provides a mantle fiber machine.

In order to solve the technical problem, the technical scheme of the utility model is specifically as follows:

a mantle fiber machine comprising:

the front end above the workbench is provided with a cutting knife rest, and the cutting knife rest is provided with a die head;

the pipe chuck is arranged at the rear end above the workbench through a support and is provided with an automatic centering clamping mechanism, the automatic centering clamping mechanism is provided with an inserting pipe space, a pipe enters the automatic centering clamping mechanism from the inserting pipe space and is clamped through the automatic centering clamping mechanism, and the center of the automatic centering clamping mechanism is superposed with the center of the die head.

Further, the tube chuck includes:

the chuck body is of a structure with an opening with a V-shaped inclined plane at the front end and a cylindrical structure at the rear end, the chuck body is fixedly arranged above the support, a guide plate is arranged on the V-shaped opening inclined plane at the front end of the chuck body, a clamping space is arranged in the chuck body, the clamping mechanism with automatic centering moves in the clamping space, and the guide plate is used for guiding the clamping mechanism to move;

the end cover is of an annular structure and is fixedly arranged at the rear end of the chuck body, and one end of the end cover is provided with a sliding groove;

the nut, the one end of nut is equipped with the slide, slide and spout sliding fit, and the nut rotates along the spout, and the nut drives clamping mechanism reciprocating motion in pressing from both sides tight space.

Further, the clamping mechanism of the automatic centering comprises:

the piston is arranged in the clamping space, one end of the piston is a piston rod, the piston rod penetrates through the end cover and the nut, a penetrating cannula space is arranged at the center of the piston, threads are arranged at the outer end of the piston rod, and the threads are matched with the nut;

the clamping blocks are two in number and symmetrically arranged in the chuck body, the clamping blocks are of a trapezoidal structure, the angle of the inclined plane of each clamping block is the same as the angle of the V-shaped inclined plane of the chuck body, the inclined plane of each clamping block is attached to the inclined plane of the chuck body, the bottom surface of each clamping block is attached to the end face of the piston, a guide groove is formed in the inclined plane of each clamping block, the guide groove is in sliding fit with the guide plate, and the clamping surface of each clamping block is a V-shaped groove.

Furthermore, the groove surface of the V-shaped groove is provided with an anti-skid line.

The utility model discloses following beneficial effect has:

the utility model discloses a mantle fiber machine, through the clamping mechanism who sets up automatic centering, the nut drives the piston rod seesaw, and the piston rod drives the piston motion, and the piston drives the clamp splice along guide board motion, and then has accomplished the action of pressing from both sides tightly and release to the pipe, and two clamp splice synchronous motion of clamping process have guaranteed the central line coincidence all the time of chuck body and die head, and the pipe can not receive other external force influences, and then has guaranteed the quality of pipe mantle fiber.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of a threading machine of the present invention;

fig. 2 is a schematic view of the connection between the clamping block and the chuck body of the threading machine of the present invention;

fig. 3 is a schematic side view of a clamp block of a threading machine according to the present invention;

fig. 4 is a schematic top view of a clamping block of a threading machine according to the present invention.

The reference numerals in the figures denote:

1. a work table; 2. a cutter frame; 3. a die head; 4. a support; 5. a tube chuck; 501 chuck body; 502. a clamping block; 503. a piston; 504. a clamping space; 505. an end cap; 506. a nut; 507. a cannula space; 508. a piston rod; 509. a slide plate; 510. a guide plate; 511. and a V-shaped groove.

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. 1-4, a threading machine includes:

the front end of the upper part of the workbench 1 is provided with a cutting knife rest 2, and the cutting knife rest 2 is provided with a die head 3;

the pipe clamping disc 5 is installed at the rear end above the workbench 1 through the support 4, the pipe clamping disc 5 is provided with an automatic centering clamping mechanism, the automatic centering clamping mechanism is provided with an inserting pipe space 507, a pipe enters the automatic centering clamping mechanism from the inserting pipe space 507 and is clamped through the automatic centering clamping mechanism, and the center of the automatic centering clamping mechanism is overlapped with the center of the die head 3.

The working principle is as follows: install die head 3 in cutter saddle 2, operating personnel places the pipe in intubate space 507, then impel die head 3's direction, after reaching the position that needs to be threaded, press from both sides the pipe with clamping mechanism, because clamping mechanism's clamping process can guarantee automatic centering, promptly after the pipe is pressed from both sides tightly, the central line of pipe and die head 3's central line coincidence, adjustment die head 3 makes die head 3 and pipe laminating, and carry out the mantle fiber to the pipe, just so guaranteed die head 3 to the quality of pipe mantle fiber, the pipe can not receive external force like the interference of unbalance loading power.

The tube chuck 5 includes:

the clamping device comprises a chuck body 501, the chuck body 501 is of a structure that the front end is provided with an opening with a V-shaped inclined surface, the rear end is of a cylinder type, the chuck body 501 is fixedly arranged above a support 4, a guide plate 510 is arranged on the V-shaped opening inclined surface at the front end of the chuck body 501, a clamping space 504 is arranged in the chuck body 501, an automatic centering clamping mechanism moves in the clamping space 504, and the guide plate 510 is used for guiding the clamping mechanism to move;

the end cover 505 is of an annular structure and is fixedly installed at the rear end of the chuck body 501, and one end of the end cover 505 is provided with a sliding groove;

a nut 506, one end of the nut 506 is provided with a sliding plate 509, the sliding plate 509 is in sliding fit with the sliding groove, the nut 506 rotates along the sliding groove, and the nut 506 drives the clamping mechanism to reciprocate in the clamping space 504.

The working principle is as follows: the clamping mechanism moves in a clamping space 504 in the chuck body 501, the end cover 505 plays a limiting role, the end cover 505 can prevent the clamping mechanism from being separated from the chuck body 501, the clamping mechanism with automatic centering moves in the clamping space 504 to guide the pipe to be placed and clamped, one end of the nut 506 is provided with a sliding plate 509, the sliding plate 509 is in sliding fit with the sliding groove, the nut 506 cannot be separated from the end cover 505 in the rotating process of the nut 506, and therefore the nut 506 can drive the clamping mechanism to move in the clamping space 504 under the condition that the position of the nut 506 is not changed.

The clamping mechanism of automatic centering includes:

the piston 503 is arranged in the clamping space 504, one end of the piston 503 is a piston rod 508, the piston rod 508 penetrates through the end cover 505 and the nut 506, the center of the piston 503 is provided with a penetrating cannula space 507, the outer end of the piston rod 508 is provided with threads, and the threads are matched with the nut 506;

the clamping blocks 502 are two in number and symmetrically arranged in the chuck body 501, the clamping blocks 502 are of a trapezoidal structure, the angle of the inclined plane of each clamping block is the same as that of the V-shaped inclined plane of the chuck body 501, the inclined plane of each clamping block 502 is attached to the inclined plane of the chuck body 501, the bottom surface of each clamping block 502 is attached to the end surface of the piston 503, a guide groove is formed in the inclined plane of each clamping block 502, the guide groove is in sliding fit with the guide plate 510, and the clamping surface of each clamping block 502 is a V-shaped groove 511.

The working principle is as follows: the nut 506 is rotated to drive the piston 503 to move in the clamping space 504, for example, the nut 506 is rotated counterclockwise, the nut 506 drives the piston 503 to move forward, the nut 506 is rotated clockwise, the nut 506 drives the piston 503 to move backward, and the specific working process is as follows: the pipe enters from the pipe inserting space 507 and then is pushed towards the direction of the die head 3, the pipe is stopped after reaching the position needing to be threaded, the nut 506 is rotated anticlockwise, the nut 506 drives the piston 503 to advance, the piston 503 pushes the clamping blocks 502, the two clamping blocks 502 are enabled to move simultaneously along the inclined plane of the chuck body 501, the two clamping blocks 502 are enabled to be in a state of being tightened all the time until the clamping blocks 502 clamp the pipe, the pipe is threaded by the die head 3, after the threading is finished, the nut 506 is rotated clockwise, the nut 506 drives the piston 503 to retreat, the clamping blocks 502 are separated from the pipe, and the pipe is taken out; the clamping block 502 is of a trapezoidal structure, the angle of the inclined plane of the clamping block is the same as that of the V-shaped inclined plane of the chuck body 501, and the inclined plane of the clamping block 502 is attached to the inclined plane of the chuck body 501, so that the clamping block 502 can move stably, the stress surface is large, and the stress is stable and reliable; the inclined surface of the clamping block 502 is provided with a guide groove, the guide groove is in sliding fit with the guide plate 510, so that the clamping block 502 can be attached to the inclined surface of the chuck body 501 constantly, the clamping block 502 is prevented from being separated from the chuck body 501, the normal clamping and centering reliability of the clamping block 502 on a pipe are ensured, and meanwhile, the clamping block 502 is conveniently separated from the pipe; the clamping surface of the clamping block 502 is a V-shaped groove 511, the V-shaped groove 511 can adapt to pipes with different diameters, the clamping block 502 does not need to be replaced frequently, and labor intensity is reduced.

The groove surface of the V-shaped groove 511 is provided with an anti-skid line.

The working principle is as follows: when the clamping block 502 clamps the pipe, the groove surface of the V-shaped groove 511 is attached to the outer surface of the pipe, when the die head 3 is used for threading, the pipe can be caused to rotate, and by arranging the anti-skid lines, the friction force between the V-shaped groove 511 and the pipe can be increased, the pipe is prevented from rotating, and the smooth threading work is ensured.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A mantle fiber machine, characterized by comprising:

the front end of the upper part of the workbench (1) is provided with a cutting knife rest (2), and the cutting knife rest (2) is provided with a die head (3);

pipe chuck (5), pipe chuck (5) are installed in workstation (1) top rear end through support (4), pipe chuck (5) are equipped with the clamping mechanism of automatic centering, the clamping mechanism of automatic centering is equipped with intubate space (507), and the pipe is followed intubate space (507) gets into the clamping mechanism of automatic centering and presss from both sides through the clamping mechanism of automatic centering, the center of the clamping mechanism of automatic centering coincides with the center of die head (3).

2. Threading machine according to claim 1, characterized in that said tube chuck (5) comprises:

the clamping device comprises a chuck body (501), the chuck body (501) is of a structure that the front end of the chuck body is provided with a V-shaped opening, the rear end of the chuck body is of a cylinder type, the chuck body (501) is fixedly installed above a support (4), a guide plate (510) is arranged on the V-shaped opening inclined plane at the front end of the chuck body (501), a clamping space (504) is arranged in the chuck body (501), the clamping mechanism capable of automatically centering moves in the clamping space (504), and the guide plate (510) is used for guiding the clamping mechanism to move;

the end cover (505) is of an annular structure and is fixedly installed at the rear end of the chuck body (501), and one end of the end cover (505) is provided with a sliding groove;

the nut (506), one end of nut (506) is equipped with slide (509), slide (509) and spout sliding fit, nut (506) rotate along the spout, nut (506) drive clamping mechanism reciprocating motion in clamping space (504).

3. A threader as in claim 2 wherein the self-centering clamping mechanism comprises:

the piston (503) is arranged in the clamping space (504), one end of the piston (503) is a piston rod (508), the piston rod (508) penetrates through the end cover (505) and the nut (506), a penetrating cannula space (507) is arranged at the center of the piston (503), threads are arranged at the outer end of the piston rod (508), and the threads are matched with the nut (506);

the fixture comprises clamping blocks (502), the number of the clamping blocks (502) is two, the clamping blocks are symmetrically arranged in a chuck body (501), the clamping blocks (502) are of a trapezoidal structure, the angle of the inclined surface of each clamping block is the same as the angle of the V-shaped inclined surface of the chuck body (501), the inclined surface of each clamping block (502) is attached to the inclined surface of the chuck body (501), the bottom surface of each clamping block (502) is attached to the end surface of a piston (503), a guide groove is formed in the inclined surface of each clamping block (502), the guide groove is matched with a guide plate (510) in a sliding mode, and the clamping surface of each clamping block (502) is a V-shaped groove (511).

4. A threading machine according to claim 3, characterized in that the groove surface of the V-groove (511) is provided with anti-slip threads.