CN221952779U - A pipe bending clamping tool - Google Patents

Abstract

The utility model relates to a bent pipe clamping tool, comprising an L-shaped fixed block, a clamping shaft is fixedly connected to the left end of the fixed block, an upper guide block is installed on the left side of the upper end of the fixed block, an upper guide groove adapted to the bent pipe is opened on the right end of the upper guide block, a lower guide block is installed on the right side of the lower end of the fixed block, a lower guide groove adapted to the bent pipe is opened on the upper end of the lower guide block, a fixed frame is installed on the outer side of the fixed block, a clamping block is slidably connected to the inner side of the fixed frame, an adjusting screw is rotatably connected to the upper end of the clamping block, the adjusting screw is threadedly connected to the fixed frame, the clamping shaft is clamped to the three-jaw chuck of a lathe, the bent pipe is slid into the inner side of the fixed block, the upper guide groove and the lower guide groove are used for guiding, the front and rear positions of the bent pipe are positioned, the adjusting screw is rotated, the adjusting screw drives the clamping block to move downward to fix the bent pipe, the end face of the bent pipe can be ground, no square table is needed on the bent pipe, and the bent pipe clamping effect is good.

Description

A pipe bending clamping tool

Technical Field

The utility model relates to the technical field of pipe processing, in particular to a bent pipe clamping tool.

Background Art

The utility model patent with application number: CN201520439063.7 discloses a pipe bending clamp, including a fixed column, which is connected to one end of the pipe bending through a clamping station, and the other end of the pipe bending is a square table, and a positioning rod is arranged below the bottom surface of the square table, and the positioning rod is connected to the bracket through an adjusting nut. The above technical solution solves the problems of low positioning accuracy of the pipe bending clamp and easy installation and relatively light weight by providing a fixed rod and a positioning device arranged below the square table to be processed. However, when there is no square table at the other end of the pipe bending, the pipe bending cannot be clamped.

Utility Model Content

The utility model aims to solve the problems existing in the prior art and provides a bent pipe clamping tool, which does not need to be provided with a square platform on the bent pipe and has a good bent pipe clamping effect.

The utility model adopts a technical solution to solve its technical problems: the bent pipe clamping tool comprises an L-shaped fixed block, the left end of the fixed block is fixedly connected with a clamping shaft, an upper guide block is installed on the left side of the upper end of the fixed block, an upper guide groove adapted to the bent pipe is opened on the right end of the upper guide block, a lower guide block is installed on the right side of the lower end of the fixed block, and a lower guide groove adapted to the bent pipe is opened on the upper end of the lower guide block, a fixed frame is installed on the outer side of the fixed block, a clamping block is slidably connected to the inner side of the fixed frame, an adjusting screw is rotatably connected to the upper end of the clamping block, the adjusting screw is threadedly connected to the fixed frame, the clamping shaft is clamped to the three-jaw chuck of the lathe, the bent pipe is slid into the inner side of the fixed block, and the upper guide groove and the lower guide groove are used for guiding to locate the front and rear positions of the bent pipe, the adjusting screw is rotated, and the adjusting screw drives the clamping block to move downward to fix the bent pipe, so that the end face of the bent pipe can be ground, and there is no need to set a square table on the bent pipe, and the bent pipe clamping effect is good.

For further improvement, a positioning block is fixedly connected to the upper end of the upper guide block, and the positioning block can locate the upper and lower positions of the bent pipe, so that the use effect of the clamping tooling is better.

For further improvement, both front and rear ends of the adjusting screw are provided with guide shafts fixedly connected to the clamping block, and the guide shafts are slidably connected to the fixing frame, so that the movement effect of the clamping block is better.

For further improvement, the upper end of the guide shaft is fixedly connected to the limit shaft, a second spring is provided on the outer side of the guide shaft, the second spring is located between the limit shaft and the fixed frame, and the second spring can play a buffering role, so that the use effect of the clamping tooling is better.

As a further improvement, both front and rear ends of the fixing block are fixedly connected with reinforcing plates, so that the clamping tooling structure is more stable and has a long service life.

Further improvement, the upper guide block and the lower guide block are detachably mounted on the fixed block, an upper slide groove is opened on the upper end of the fixed block, an upper slider is fixedly connected to the lower end of the upper guide block, the upper slider is slidably connected to the inner side of the upper slide groove, a lower slide groove is opened on the right end of the fixed block, the lower guide block is fixedly connected to the lower slider at the left end, the lower slider is slidably connected to the inner side of the slide groove, the left end of the upper slider and the lower end of the lower slider are fixedly connected to the mounting shaft, a sliding hole is opened on the inner side of the mounting shaft, a sliding shaft is slidably connected to the inner side of the sliding hole, a positioning shaft is fixedly connected to one end of the sliding shaft close to the fixed block, the positioning shaft at the upper end passes through the upper slider, and a positioning shaft is opened on the fixed block inside the upper slide groove The upper positioning hole of the positioning shaft at the upper end is slidably connected to the inner side of the upper positioning hole, and the positioning shaft at the lower end passes through the lower sliding block. The inner side of the sliding groove is provided with a lower positioning hole opened on the fixed block, and the positioning shaft at the lower end is slidably connected to the inner side of the lower positioning hole. The end of the sliding shaft away from the fixed block is fixedly connected with a connecting shaft, and the connecting shaft passes through the mounting shaft. A first spring installed on the inner side of the sliding hole is provided on the outer side of the connecting shaft. The connecting shaft is pulled, the first spring is compressed, and the connecting shaft drives the positioning shaft away from the upper positioning hole and the lower positioning hole through the sliding shaft, so that the upper guide block and the lower guide block can be disassembled. The structure is simple, easy to use, low in manufacturing cost, and long in service life.

As a further improvement, a handle is fixedly connected to the connecting shaft, making it more convenient to pull the connecting shaft.

For further improvement, the fixing frame can be detachably mounted on the fixing block, a positioning frame is fixedly connected to the reinforcing plate, the fixing frame is slidably connected to the inner side of the positioning frame, a positioning pin is slidably connected to the lower end of the fixing frame, the positioning pin is slidably connected to the reinforcing plate, a screw is fixedly connected to the front end of the positioning pin, and a nut is threadedly connected to the outer side of the screw, thereby extending the service life of the clamping tooling.

For further improvement, a rubber block is fixedly connected to the lower end of the clamping block to increase the friction force and make the clamped elbow more tightly.

The beneficial effects of the utility model are as follows: the clamping shaft is clamped on the three-jaw chuck of the lathe, the bent pipe is slid into the inner side of the fixing block, guided by the upper guide groove and the lower guide groove, the front and rear positions of the bent pipe are positioned, the adjusting screw is rotated, and the adjusting screw drives the clamping block to move downward to fix the bent pipe, so that the end face of the bent pipe can be ground, and there is no need to set a square table on the bent pipe, and the bent pipe clamping effect is good.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the utility model;

Fig. 2 is a schematic diagram of the structure of the utility model;

FIG3 is a schematic diagram of the structure of the fixing block of the utility model;

Figure 4 is a schematic diagram of the structure of the upper guide block of the utility model;

Figure 5 is a schematic diagram of the structure of the lower guide block of the utility model;

Fig. 6 is a cross-sectional view of the installation shaft of the utility model;

FIG7 is a schematic structural diagram of the fixing frame of the utility model;

FIG8 is a schematic structural diagram of a positioning pin of the present utility model.

Explanation of the accompanying drawings: 1. fixed block; 11. clamping shaft; 12. upper slide groove; 121. upper positioning hole; 13. lower slide groove; 131. lower positioning hole; 14. reinforcement plate; 141. positioning frame; 2. upper guide block; 21. upper guide groove; 22. positioning block; 23. upper slider; 3. mounting shaft; 31. sliding hole; 32. sliding shaft; 33. positioning shaft; 34. connecting shaft; 35. handle; 36. first spring; 4. lower guide block; 41. lower guide groove; 42. lower slider; 5. fixed frame; 51. clamping block; 511. rubber block; 52. adjusting screw; 53. guide shaft; 531. limiting shaft; 54. second spring; 55. positioning pin; 551. screw; 56. nut.

DETAILED DESCRIPTION

The utility model is further described below in conjunction with accompanying drawings 1-8:

As shown in Figures 1 to 6: a bent pipe clamping tool in this embodiment includes a fixed block 1, a clamping shaft 11 is fixedly connected to the left end of the fixed block 1, an upper guide block 2 is detachably installed on the left side of the upper end of the fixed block 1, an upper guide groove 21 adapted to the bent pipe is opened at the right end of the upper guide block 2, a positioning block 22 is fixedly connected to the upper end of the upper guide block 2, a lower guide block 4 is detachably installed on the right side of the lower end of the fixed block 1, a lower guide groove 41 adapted to the bent pipe is opened at the upper end of the lower guide block 4, an upper slide groove 12 is opened at the upper end of the fixed block 1, an upper slider 23 is fixedly connected to the lower end of the upper guide block 2, the upper slider 23 is slidably connected to the inner side of the upper slide groove 12, a lower slide groove 13 is opened at the right end of the fixed block 1, a lower slider 42 is fixedly connected to the left end of the lower guide block 4, the lower slider 42 is slidably connected to the inner side of the lower slide groove 13, and the left end of the upper slider 23 and the lower end of the lower slider 42 are The cam 32 is fixedly connected with the mounting shaft 3, and a sliding hole 31 is opened on the inner side of the mounting shaft 3. The sliding hole 31 is slidably connected with the sliding shaft 32. The sliding shaft 32 is fixedly connected with a positioning shaft 33 at one end close to the fixed block 1. The positioning shaft 33 at the upper end passes through the upper slider 23. The inner side of the upper slide groove 12 is provided with an upper positioning hole 121 opened on the fixed block 1. The positioning shaft 33 at the upper end is slidably connected to the inner side of the upper positioning hole 121. The positioning shaft 33 at the lower end passes through the lower slider 42. The inner side of the lower slide groove 13 is provided with a lower positioning hole 131 opened on the fixed block 1. The positioning shaft 33 at the lower end is slidably connected to the inner side of the lower positioning hole 131. The sliding shaft 32 is fixedly connected with a connecting shaft 34 at one end away from the fixed block 1. The connecting shaft 34 passes through the mounting shaft 3. A first spring 36 installed on the inner side of the sliding hole 31 is provided on the outer side of the connecting shaft 34. A handle 35 is fixedly connected to the connecting shaft 34.

As shown in Figures 1-3 and 7-8: the front and rear ends of the fixed block 1 are fixedly connected to a reinforcing plate 14, the outer side of the reinforcing plate 14 is detachably mounted with a fixing frame 5, the reinforcing plate 14 is fixedly connected to a positioning frame 141, the fixing frame 5 is slidably connected to the inner side of the positioning frame 141, the lower end of the fixing frame 5 is slidably connected to a positioning pin 55, the positioning pin 55 is slidably connected to the reinforcing plate 14, the front end of the positioning pin 55 is fixedly connected to a screw rod 551, the outer side of the screw rod 551 is threadedly connected to a nut 56, the inner side of the fixing frame 5 is slidably connected to the A clamping block 51 is connected, a rubber block 511 is fixedly connected to the lower end of the clamping block 51, an adjusting screw 52 is rotatably connected to the upper end of the clamping block 51, the adjusting screw 52 is threadedly connected to the fixing frame 5, and guide shafts 53 fixedly connected to the clamping block 51 are provided at both the front and rear ends of the adjusting screw 52, the guide shaft 53 is slidably connected to the fixing frame 5, the upper end of the guide shaft 53 is fixedly connected to the limiting shaft 531, a second spring 54 is provided on the outer side of the guide shaft 53, and the second spring 54 is located between the limiting shaft 531 and the fixing frame 5.

When the utility model is in use: the clamping shaft 11 is clamped on the three-jaw chuck of the lathe, the bent pipe is slid into the inner side of the fixing block 1, the upper and lower positions of the bent pipe are positioned by the positioning block 22, the upper guide groove 21 and the lower guide groove 41 are used for guiding, the front and rear positions of the bent pipe are positioned, the adjusting screw 52 is rotated, and the adjusting screw 52 drives the clamping block 51 to move downward to fix the bent pipe, so that the end face of the bent pipe can be ground, and there is no need to set a square table on the bent pipe, and the bent pipe clamping effect is good.

Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims (9)

1. Bent pipe clamping tool, which comprises a fixed block (1) and is characterized in that: fixed block (1) left end fixedly connected with clamping axle (11), guide block (2) are installed in fixed block (1) upper end left side, go up guide block (2) right-hand member open have with return bend looks adaptation go up guide way (21), lower guide block (4) are installed on fixed block (1) lower extreme right side, lower guide block (4) upper end open have with return bend looks adaptation lower guide way (41), mount (5) are installed in the fixed block (1) outside, mount (5) inboard sliding connection has grip block (51), grip block (51) upper end rotation is connected with adjusting screw (52), adjusting screw (52) threaded connection is on mount (5).

2. The elbow clamping tool according to claim 1, wherein: the upper end of the upper guide block (2) is fixedly connected with a positioning block (22).

3. The elbow clamping tool according to claim 1, wherein: the front end and the rear end of the adjusting screw (52) are respectively provided with a guide shaft (53) fixedly connected to the clamping block (51), and the guide shafts (53) are slidably connected to the fixing frame (5).

4. The elbow clamping tool according to claim 3, wherein: the upper end of the guide shaft (53) is fixedly connected with a limiting shaft (531), a second spring (54) is arranged on the outer side of the guide shaft (53), and the second spring (54) is located between the limiting shaft (531) and the fixing frame (5).

5. The elbow clamping tool according to claim 1, wherein: reinforcing plates (14) are fixedly connected to the front end and the rear end of the fixed block (1).

6. The elbow clamping tool according to claim 1, wherein: the upper guide block (2) and the lower guide block (4) are detachably arranged on the fixed block (1), an upper sliding groove (12) is formed in the upper end of the fixed block (1), an upper sliding block (23) is fixedly connected to the lower end of the upper guide block (2), the upper sliding block (23) is slidably connected to the inner side of the upper sliding groove (12), a lower sliding groove (13) is formed in the right end of the fixed block (1), a lower sliding block (42) is fixedly connected to the left end of the lower guide block (4), the lower sliding block (42) is slidably connected to the inner side of the lower sliding groove (13), a mounting shaft (3) is fixedly connected to the left end of the upper sliding block (23) and the lower end of the lower sliding block (42), a sliding hole (31) is formed in the inner side of the mounting shaft (3), a sliding shaft (32) is fixedly connected to one end of the sliding shaft (32) close to the fixed block (1), a positioning shaft (33) is fixedly connected to the inner side of the upper sliding groove (12), an upper positioning hole (121) formed in the inner side of the upper sliding groove (4) is fixedly connected to the lower sliding groove (13), a positioning shaft (121) formed in the inner side of the upper end of the upper sliding groove (1), a positioning shaft (121) is fixedly connected to the inner side of the upper sliding shaft (33), a positioning shaft (131) is formed in the lower positioning shaft (13) and the inner side of the sliding shaft is fixedly connected to the lower sliding shaft, the locating shaft (33) of lower extreme sliding connection is inboard in locating hole (131) down, and sliding shaft (32) keep away from fixed block (1) one end fixedly connected with connecting axle (34), and connecting axle (34) are worn out installation axle (3), and connecting axle (34) outside is equipped with installs first spring (36) inboard in sliding hole (31).

7. The elbow clamping tool of claim 6, wherein: the connecting shaft (34) is fixedly connected with a handle (35).

8. The elbow clamping tool according to claim 1, wherein: the fixing frame (5) is detachably mounted on the fixing block (1), the reinforcing plate (14) is fixedly connected with the locating frame (141), the fixing frame (5) is slidably connected to the inner side of the locating frame (141), the lower end of the fixing frame (5) is slidably connected with the locating pin (55), the locating pin (55) is slidably connected to the reinforcing plate (14), the front end of the locating pin (55) is fixedly connected with the screw rod (551), and the outer side of the screw rod (551) is in threaded connection with the nut (56).

9. The elbow clamping tool according to claim 1, wherein: the lower end of the clamping block (51) is fixedly connected with a rubber block (511).