CN220295705U

CN220295705U - Bending positioning clamp

Info

Publication number: CN220295705U
Application number: CN202321967442.4U
Authority: CN
Inventors: 张宏伟
Original assignee: Shanghai Zhongji Precision Mold Co ltd
Current assignee: Shanghai Zhongji Precision Mold Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-01-05
Anticipated expiration: 2033-07-25

Abstract

The utility model relates to the technical field of positioning fixtures, in particular to a bending positioning fixture. Its technical scheme crooked positioning fixture, including fixing base and splint, the fixing base upper surface is equipped with the spout, spout inside rotation installs two-way lead screw, two screw thread slider has been cup jointed to two-way lead screw surface be close to both ends position department symmetry activity, two screw thread slider upper surface all welds has the movable frame, two the equal fixed mounting in movable frame inboard has pressure sensor, two the equal fixed mounting in pressure sensor inboard has splint, two splint inboard all is provided with the arc concave surface, fixing base both sides are fixed mounting respectively and are rotated motor and manual speed reducer, one side fixed mounting that the fixing base upper surface is close to the rotation motor has the fixed plate. The pipe clamping device can accurately control the positioning and clamping force when the pipe is bent, ensures that the pipe is clamped, does not cause damage to the surface of the pipe, and is suitable for positioning and clamping pipes with different pipe diameters.

Description

Bending positioning clamp

Technical Field

The utility model relates to the technical field of positioning fixtures, in particular to a bending positioning fixture.

Background

Curved pipelines are often required in the processes of hydropower construction, highway construction and bridge construction to facilitate pipeline laying, and curved pipelines require pipe bending machines. When the pipe bending machine is used for bending the pipe, a positioning clamp is required to be used, and the pipe is fixedly clamped through the positioning clamp so as to be convenient for bending the pipe.

The existing pipe bending positioning clamp for the pipe bending machine cannot accurately control the clamping force during pipe positioning and clamping in the process of pipe positioning and clamping, when the clamping force is too small, the pipe is easy to loosen in the process of pipe bending, the pipe is bent and offset, when the clamping force is too large, the surface of the pipe is easy to sink and even damage occurs, and the subsequent use of the pipe is affected.

Disclosure of Invention

The utility model aims to provide a bending positioning clamp which has the advantages of being capable of accurately controlling positioning clamping force when a pipe is bent, ensuring that the surface of the pipe is not damaged when the pipe is clamped, and being suitable for positioning and clamping of pipes with different pipe diameters, and solves the problems that the clamping force when the pipe is positioned and clamped by the existing pipe bending positioning clamp for a pipe bending machine cannot be accurately controlled, when the clamping force is too small, the pipe is easy to loosen in the pipe bending process, the pipe is easy to bend and deviate, and when the clamping force is too large, the surface of the pipe is easy to sink and even damage, and the follow-up use of the pipe is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a crooked positioning fixture, includes fixing base and splint, the fixing base upper surface is equipped with the spout, the inside rotation of spout is installed two-way lead screw, two screw thread slider has been cup jointed to two-way lead screw surface be close to both ends position department symmetry activity, two screw thread slider upper surface all welds has the removal frame, two it has pressure sensor to remove the inboard equal fixed mounting of frame, two pressure sensor inboard equal fixed mounting has splint, two splint inboard all is provided with the arc concave surface, fixing base both sides respectively fixed mounting has rotation motor and manual speed reducer, one side fixed mounting that the fixing base upper surface is close to rotation motor has the fixed plate, fixed surface installs display screen and motor switch before the fixed plate.

Preferably, plastic layers are arranged in the two arc-shaped concave surfaces.

Preferably, the output end of the rotating motor is fixedly connected with one end of the bidirectional screw rod, which is close to the rotating motor.

Preferably, the output end of the manual speed reducer is fixedly connected with one end of the bidirectional screw rod, which is close to the manual speed reducer.

Preferably, the display screen is electrically connected with the pressure sensor.

Preferably, the motor switch is electrically connected with the rotating motor.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by arranging the pressure sensor, the bidirectional screw rod, the threaded sliding blocks, the clamping plates and the arc-shaped grooves, the positioning and clamping force when the pipe is bent can be accurately controlled, the pipe surface is not damaged while the pipe is clamped, the positioning and clamping effects of pipes with different pipe diameters are achieved, the bent pipe is arranged between the two clamping plates, the two movable frames and the two clamping plates are driven to move oppositely by the two threaded sliding blocks after the bidirectional screw rod rotates, the arc-shaped concave surfaces of the two clamping plates are contacted with the outer surface of the pipe, the pipe is positioned and clamped, the clamping force is acquired according to the pressure sensor, and the clamping force is displayed by the display screen, so that the positioning and clamping force of the pipe can be accurately controlled.

2. According to the utility model, through the arrangement of the rotating motor and the manual speed reducer, the effect of manually or electrically controlling the rotation of the bidirectional screw rod and improving the applicability is achieved, the manual speed reducer can manually drive the bidirectional screw rod to rotate, the rotating motor can also drive the bidirectional screw rod to rotate, and the manual speed reducer can finely adjust the clamping force of the pipe clamping.

3. According to the utility model, the plastic layer is arranged, so that the effect of avoiding surface abrasion in the process of clamping the pipe is achieved, and in the process of clamping and fixing the pipe by the two clamping plates, the two plastic layers are in contact with the surface of the pipe, the texture of the plastic layer is softer than that of the pipe, and the surface of the pipe is not easy to be abraded.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic view of a partial front view of the splint according to the present utility model;

fig. 3 is a schematic diagram of the main sectional structure of the present utility model.

Reference numerals: 1. a fixing seat; 2. a rotating motor; 3. a motor switch; 4. a fixing plate; 5. a display screen; 6. a moving rack; 7. a pressure sensor; 8. a clamping plate; 9. a manual speed reducer; 10. an arc-shaped concave surface; 11. a plastic layer; 12. a chute; 13. a two-way screw rod; 14. a thread slider.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

As shown in fig. 1 to 3, the bending positioning clamp provided by the utility model comprises a fixed seat 1 and clamping plates 8, wherein the upper surface of the fixed seat 1 is provided with a sliding groove 12, a bidirectional screw rod 13 is rotatably arranged in the sliding groove 12, the positions, close to two ends, of the outer surface of the bidirectional screw rod 13 are symmetrically and movably sleeved with threaded sliding blocks 14, threads on the inner walls of the two threaded sliding blocks 14 are meshed with threads on the outer surface of the bidirectional screw rod 13, when the bidirectional screw rod 13 rotates, the two threaded sliding blocks 14 are driven to oppositely or reversely move in the sliding groove 12, the upper surfaces of the two threaded sliding blocks 14 are welded with movable frames 6, the inner sides of the two movable frames 6 are fixedly provided with pressure sensors 7, the inner sides of the two pressure sensors 7 are fixedly provided with clamping plates 8, the inner sides of the two clamping plates 8 are provided with arc-shaped concave surfaces 10, the two clamping plates 8 clamp and fix a pipe before bending, the two arc-shaped concave surfaces 10 are contacted with the surface of the pipe, the plastic layer 11 is arranged in the two arc-shaped concave surfaces 10, the texture of the plastic layer 11 is softer relative to the pipe, abrasion is not easy to occur on the surface of the pipe, a rotating motor 2 and a manual speed reducer 9 are fixedly arranged at two sides of a fixed seat 1 respectively, one end of the output end of the rotating motor 2, which is close to the rotating motor 2, of a bidirectional screw 13 is fixedly connected with one end of the output end of the manual speed reducer 9, which is close to the manual speed reducer 9, the bidirectional screw 13 can be manually driven to rotate through the manual speed reducer 9, the bidirectional screw 13 can also be driven to rotate through the rotating motor 2, fine adjustment can be performed on the clamping force of the manual speed reducer 9 when the pipe is clamped, a fixed plate 4 is fixedly arranged at one side of the upper surface of the fixed seat 1, which is close to the rotating motor 2, a display screen 5 and a motor switch 3 are fixedly arranged at the front surface of the fixed plate 4, the display screen 5 is electrically connected with a pressure sensor 7, the display screen 5 is used for the display of the detection value of the pressure sensor 7, the motor switch 3 is electrically connected with the rotating motor 2, and the motor switch 3 controls the forward and reverse rotation and the start and stop of the rotating motor 2.

When the clamping device is used, a bent pipe is arranged between the two clamping plates 8, the two-way screw rod 13 drives the two moving frames 6 and the two clamping plates 8 to move oppositely through the two threaded sliding blocks 14 after rotating, the arc-shaped concave surfaces 10 of the two clamping plates 8 are in contact with the outer surfaces of the pipe, the pipe is positioned and clamped, meanwhile, the clamping force is acquired according to the pressure sensor 7 and is displayed through the display screen 5, so that the clamping force of positioning and clamping of the pipe can be accurately controlled, and the surface of the pipe is not caused while the pipe is clamped.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The bending positioning clamp comprises a fixing seat (1) and a clamping plate (8), and is characterized in that: the utility model discloses a motor, including fixing base (1), fixing base, fixed seat (1), clamping plate (8), manual speed reducer (9), fixed seat (1) both sides are fixed mounting respectively and are had rotating motor (2) and manual speed reducer (9), fixed seat (1) upper surface is close to one side fixed mounting that rotates motor (2) has fixed plate (4), fixed plate (4) front surface fixed mounting has display screen (5) and motor switch (3), fixed seat (1) upper surface is equipped with spout (12), spout (12) upper surface, spout (12) inside rotation installs two-way lead screw (13), two screw slider (14) have been cup jointed to two-way lead screw (13) surface symmetry activity in both ends department.

2. The bending jig of claim 1, wherein: plastic layers (11) are arranged inside the two arc-shaped concave surfaces (10).

3. The bending jig of claim 1, wherein: the output end of the rotating motor (2) is fixedly connected with one end of the bidirectional screw rod (13) close to the rotating motor (2).

4. The bending jig of claim 1, wherein: the output end of the manual speed reducer (9) is fixedly connected with one end of the bidirectional screw rod (13) close to the manual speed reducer (9).

5. The bending jig of claim 1, wherein: the display screen (5) is electrically connected with the pressure sensor (7).

6. The bending jig of claim 1, wherein: the motor switch (3) is electrically connected with the rotating motor (2).