Floating clamping jaw of pipe bending machine

Abstract

The utility model provides a pipe bender floating clamping jaw, which relates to the pipe bender field, and comprises a jaw petal and a floating clamping block, the bottom end of the jaw petal is fixedly provided with an inverted T-shaped slide rail, and the top end of the floating clamping block is provided with an inverted T-shaped slide groove matched with the inverted T-shaped slide rail. When the claw petals drive the floating clamping block to clamp a pipe fitting, if the floating clamping block swings in the clamping process, the floating clamping block drives the inverted-T-shaped sliding groove to collide with the supporting plate, collision abrasion between the inverted-T-shaped sliding groove and the supporting plate can be reduced under the cooperation of the rolling assembly, then the supporting plate is driven to move under the collision effect, and therefore the pipe fitting is clamped. The supporting plate drives the supporting rod to move, the supporting rod extrudes the buffering assembly in the moving process, in this way, under cooperation of the buffering assembly, the inverted-T-shaped sliding groove can be buffered, accordingly, the floating clamping block is buffered, collision damage of the floating clamping block is reduced, clamping of the pipe fitting is facilitated, and the clamping efficiency of the pipe fitting is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of pipe bender, especially to pipe bender floating clamp jaw. BACKGROUND

[0002] Pipe bender is roughly divided into numerical control pipe bender, hydraulic pipe bender etc., is applied to electric power construction, public railway construction, bridge, ship and so on pipeline laying and repair and construction, has the advantages such as multiple functions, reasonable structure, simple operation.

[0003] Patent No. CN212577249U proposes a kind of pipe bender floating clamp jaw mechanism, including base, hollow shaft is installed on the base, the end of the hollow shaft is equipped with the pipe clamp jaw by three claw petals, the hollow shaft is also matched with the sleeve of pipe clamp jaw;Base is also equipped with driving mechanism, for driving sleeve axial movement;The end of claw petal is hinged with hollow shaft, pull spring is connected between claw petal and sleeve, one end of pull spring is connected with claw petal and drives claw petal to open outward, the other end of pull spring is connected with sleeve and drives sleeve to move to claw petal.The utility model connects pull spring with sleeve and claw petal, that is, realizes that claw petal is automatically opened reset, and sleeve is driven to approach clamp jaw and realize clamping steel pipe;The upper of claw petal is also equipped with floating clamping block.The utility model solves the problem that pipe clamp cannot effectively clamp pipe when pipe exists error by designing pipe clamp into movable floating structure, and increases adaptability.

[0004] Claw petal and floating clamping block are connected together by bolt, so that floating clamping block can swing, but in the process of floating clamping block swinging, collision between convex-shaped slide rail and convex-shaped slide groove is prone to occur, and in the process of continuous collision, wear between convex-shaped slide rail and convex-shaped slide groove is prone to occur, so that damage of floating clamping block is prone to occur, clamping of pipe is not convenient, and clamping efficiency of pipe is reduced.

[0005] Therefore, it is necessary to provide pipe bender floating clamp jaw to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] To solve the above technical problems, the utility model provides pipe bender floating clamp jaw.

[0007] The pipe bender floating clamp jaw provided by the utility model comprises claw petals and a floating clamping block, the bottom end of the claw petal is fixed with a convex-shaped slide rail, the top end of the floating clamping block is provided with a convex-shaped slide groove matched with the convex-shaped slide rail, two recesses are formed on the two sides of the top end of the convex-shaped slide rail, four supporting rods are inserted and connected in the four recesses, and supporting plates are fixed on the top ends of the four supporting rods.

[0008] Four rolling assemblies are arranged at the top of the four supporting plates respectively, and the four rolling assemblies are in contact with the inner wall of the convex-shaped sliding groove;

[0009] Four buffering assemblies are arranged in the four grooves respectively, and the four buffering assemblies are connected with the four supporting rods respectively for buffering the supporting rods.

[0010] Preferably, the rolling assembly comprises a rolling groove arranged at the top of the supporting plate, and a plurality of rolling balls are connected in the rolling groove.

[0011] Preferably, the buffering assembly comprises a sliding block fixedly arranged at the two sides of the supporting rod, sliding grooves for the sliding block to slide are arranged at the two sides of the inner wall of the groove, dampers fixed with the sliding block are arranged at the inner walls of the two sliding grooves, and springs are sleeved on the outer walls of the two dampers.

[0012] Preferably, the convex-shaped sliding rail is internally provided with an oil storage cavity located below the groove, the oil storage cavity is provided with a pressurizing assembly, one side of the convex-shaped sliding rail is provided with an oil outlet hole in communication with the oil storage cavity, and the convex-shaped sliding rail is provided with an oil supply assembly.

[0013] Preferably, the pressurizing assembly comprises a pressurizing rod fixedly arranged at the bottom of the supporting rod and penetrating the oil storage cavity, and a pressurizing plug fixed at the bottom of the pressurizing rod and sliding with the oil storage cavity.

[0014] Preferably, the oil supply assembly comprises two conveying pipes fixedly arranged in the convex-shaped sliding rail, the two conveying pipes are in communication with the oil storage cavity through a shunt pipe, the two conveying pipes are in communication through a connecting pipe, and one side of the connecting pipe is communicated with an oil inlet pipe penetrating to the outside of the convex-shaped sliding rail.

[0015] Compared with the related art, the floating clamp jaw of the pipe bending machine has the following beneficial effects:

[0016] 1. When the claw lobe drives the floating clamping block to clamp the pipe, if the floating clamping block swings during the clamping process, the floating clamping block drives the convex-shaped sliding groove to collide with the supporting plate, and under the cooperation of the rolling assembly, the collision and abrasion between the convex-shaped sliding groove and the supporting plate can be reduced, then under the collision effect, the movement of the supporting plate is driven, the movement of the supporting rod is driven, the buffering assembly is extruded in the movement of the supporting rod, and thus under the cooperation of the buffering assembly, the convex-shaped sliding groove can be buffered, the floating clamping block is buffered, the collision damage of the floating clamping block is reduced, the clamping of the pipe is facilitated, and the clamping efficiency of the pipe is improved.

[0017] 2. The floating clamp jaw of the pipe bending machine according to the embodiment of the present application, when the floating clamp block swings and drives the support rod to move, the support rod drives the movement of the pressing assembly, the pressing assembly extrudes the lubricating oil in the oil storage cavity during the movement, the lubricating oil is discharged through the oil outlet hole under the extrusion, and the lubricating oil is discharged to the gap between the convex-shaped sliding rail and the convex-shaped sliding groove, so that the connection between the convex-shaped sliding rail and the convex-shaped sliding groove can be lubricated, wear of the connection is avoided, use of the floating clamp block is facilitated, and the service life of the floating clamp block is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 Structure diagram of a preferred embodiment of the present application;

[0019] Fig. 2 Structure diagram of a convex-shaped sliding rail of a preferred embodiment of the present application;

[0020] Fig. 3 Planar structure diagram of a buffer assembly of a preferred embodiment of the present application.

[0021] Reference numerals in the drawing: 1, claw lobe; 2, floating clamp block; 3, convex-shaped sliding rail; 4, convex-shaped sliding groove; 5, recess; 6, support rod; 7, support plate; 8, rolling assembly; 81, rolling groove; 82, ball; 9, buffer assembly; 91, sliding block; 92, sliding groove; 93, damper; 94, spring; 10, oil storage cavity; 11, pressing assembly; 111, pressing rod; 112, pressing plug; 12, oil outlet hole; 13, oil supply assembly; 131, conveying pipe; 132, shunt pipe; 133, connecting pipe; 134, oil inlet pipe. DETAILED DESCRIPTION

[0022] The present application will be further described below in combination with the drawings and embodiments.

[0023] Please refer to Figs. 1 to 3 , the floating clamp jaw of the pipe bending machine, comprising: claw lobe 1 and floating clamp block 2, the bottom end of the claw lobe 1 is fixed with a convex-shaped sliding rail 3, the top end of the floating clamp block 2 is provided with a convex-shaped sliding groove 4 adapted to the convex-shaped sliding rail 3, both sides of the top end of the convex-shaped sliding rail 3 are provided with two recesses 5, four support rods 6 are inserted and connected in the four recesses 5, and the top end of each of the four support rods 6 is fixed with a support plate 7;

[0024] Four rolling assemblies 8 are arranged at the top end of each of the four support plates 7, and each of the four rolling assemblies 8 abuts against the inner wall of the convex-shaped sliding groove 4;

[0025] Four buffer assemblies 9 are arranged in the four recesses 5 respectively, and each of the four buffer assemblies 9 is connected with the four support rods 6 respectively, and is used for buffering the support rods 6.

[0026] In the embodiment, the convex-shaped sliding groove 4 on the floating clamping block 2 is clamped on the convex-shaped sliding rail 3 and connected by bolts, which do not need to be screwed too tightly, so as to maintain the swing of the floating clamping block 2. When the claw 1 drives the floating clamping block 2 to clamp the pipe, if the floating clamping block 2 swings during clamping, the floating clamping block 2 drives the convex-shaped sliding groove 4 to collide with the support plate 7, and under the cooperation of the rolling assembly 8, the collision and wear between the convex-shaped sliding groove 4 and the support plate 7 can be reduced. Then, under the action of collision, the movement of the support plate 7 is driven, the support plate 7 drives the movement of the support rod 6, and the support rod 6 extrudes the buffer assembly 9 during movement. Thus, under the cooperation of the buffer assembly 9, the convex-shaped sliding groove 4 can be buffered, thereby buffering the floating clamping block 2, reducing the collision damage of the floating clamping block 2, facilitating the clamping of the pipe, and improving the clamping efficiency of the pipe.

[0027] It should be noted that the claw 1, the floating clamping block 2, the convex-shaped sliding rail 3, the convex-shaped sliding groove 4, the bolt and other mechanisms in the present application have been disclosed in the above-mentioned patent CN212577249U, and thus will not be described in detail.

[0028] In further embodiments, as shown in Fig. 3 The rolling assembly 8 includes a rolling groove 81 opened at the top end of the support plate 7, and a plurality of rolling balls 82 are connected in the rolling groove 81.

[0029] In the embodiment, when the convex-shaped sliding groove 4 collides with the support plate 7, the convex-shaped sliding groove 4 first contacts the rolling balls 82, so that under the rolling cooperation of the rolling balls 82, the collision and wear between the convex-shaped sliding groove 4 and the support plate 7 can be reduced.

[0030] In further embodiments, as shown in Fig. 3 The buffer assembly 9 includes sliding blocks 91 fixedly arranged on both sides of the support rod 6, sliding grooves 92 for the sliding blocks 91 to slide are opened on both sides of the inner wall of the recess 5, dampers 93 fixed with the sliding blocks 91 are fixed on the inner walls of the two sliding grooves 92, and springs 94 are sleeved on the outer walls of the two dampers 93.

[0031] In the embodiment, when the convex-shaped sliding groove 4 collides with the support plate 7, the movement of the support plate 7 is driven, the support plate 7 drives the movement of the support rod 6, and the support rod 6 drives the sliding blocks 91 to extrude the dampers 93 and the springs 94. Thus, under the cooperation of the dampers 93 and the springs 94, the support plate 7 can be buffered, thereby buffering the floating clamping block 2 and reducing the collision damage of the floating clamping block 2.

[0032] In further embodiments, as shown in Fig. 3As shown, the inside of the convex-shaped sliding rail 3 is provided with an oil storage cavity 10 below the groove 5, the oil storage cavity 10 is provided with a pressurizing assembly 11, one side of the convex-shaped sliding rail 3 is provided with an oil outlet hole 12 in communication with the oil storage cavity 10, and the convex-shaped sliding rail 3 is provided with an oil supply assembly 13.

[0033] In the embodiment, when the floating clamping block 2 swings and drives the support rod 6 to move, the support rod 6 drives the pressurizing assembly 11 to move, and the pressurizing assembly 11 extrudes the lubricating oil in the oil storage cavity 10 in the movement, and the lubricating oil is discharged through the oil outlet hole 12 under the extrusion, so that the lubricating oil is discharged to the gap between the convex-shaped sliding rail 3 and the convex-shaped sliding groove 4, and the connection between the convex-shaped sliding rail 3 and the convex-shaped sliding groove 4 is lubricated, so as to avoid wear and facilitate the use of the floating clamping block 2, thereby prolonging the service life of the floating clamping block 2.

[0034] In a further embodiment, as shown in Fig. 3 The pressurizing assembly 11 includes a pressurizing rod 111 fixedly arranged at the bottom end of the support rod 6 and penetrating the oil storage cavity 10, and the bottom end of the pressurizing rod 111 is fixedly provided with a pressurizing plug 112 sliding with the oil storage cavity 10.

[0035] In the embodiment, when the support rod 6 moves downward under the impact, the support rod 6 drives the pressurizing rod 111 to move downward, the pressurizing rod 111 drives the pressurizing plug 112 to move downward, and the pressurizing plug 112 can pressurize the oil storage cavity 10 in the downward movement, and the lubricating oil in the oil storage cavity 10 can be discharged through the oil outlet hole 12 under the pressure.

[0036] In a further embodiment, as shown in Fig. 3 The oil supply assembly 13 includes two delivery pipes 131 fixedly arranged in the convex-shaped sliding rail 3, the two delivery pipes 131 are respectively in communication with the oil storage cavity 10 through a shunt pipe 132, the two delivery pipes 131 are in communication through a connecting pipe 133, and one side of the connecting pipe 133 is communicated with an oil inlet pipe 134 penetrating to the outside of the convex-shaped sliding rail 3.

[0037] In the embodiment, the oil inlet pipe 134 is connected with an external oil pump, the external oil pump delivers the lubricating oil into the oil inlet pipe 134, and then into the connecting pipe 133, the connecting pipe 133 delivers the lubricating oil into the delivery pipe 131, and then the lubricating oil is delivered into the oil storage cavity 10 through the shunt pipe 132, so as to add the lubricating oil into the oil storage cavity 10.

[0038] The working principle of the floating clamp jaw of the pipe bending machine is as follows: the convex-shaped sliding groove 4 on the floating clamping block 2 is clamped on the convex-shaped sliding rail 3, and the floating clamping block 2 is connected through a bolt, the bolt does not have to be screwed too tightly, and the swinging of the floating clamping block 2 can be maintained, so that when the jaw petals 1 drive the floating clamping block 2 to clamp the pipe, if the floating clamping block 2 swings during the clamping process, the floating clamping block 2 drives the convex-shaped sliding groove 4 to collide with the supporting plate 7, drives the movement of the supporting plate 7, the supporting plate 7 drives the movement of the supporting rod 6, the supporting rod 6 drives the sliding block 91 to extrude the damper 93 and the spring 94, so that the supporting plate 7 can be buffered under the cooperation of the damper 93 and the spring 94, thereby buffering the floating clamping block 2, reducing the collision damage of the floating clamping block 2, facilitating the clamping of the pipe, improving the clamping efficiency of the pipe, and when the supporting rod 6 moves downward under the impact action, the supporting rod 6 drives the pressurizing rod 111 to move downward, the pressurizing rod 111 drives the pressurizing plug 112 to move downward, the pressurizing plug 112 can pressurize the oil storage cavity 10 during the downward movement, under the action of the pressure, the lubricating oil in the oil storage cavity 10 can be discharged through the oil outlet hole 12, so that the lubricating oil is discharged to the gap between the convex-shaped sliding rail 3 and the convex-shaped sliding groove 4, the connection between the convex-shaped sliding rail 3 and the convex-shaped sliding groove 4 can be lubricated, wear of the connection is avoided, use of the floating clamping block 2 is facilitated, and the service life of the floating clamping block 2 is improved.

[0039] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. Floating clamp jaw for a pipe bender, characterized in that Include: Claw flap (1) and floating clamping block (2), the bottom end of the claw flap (1) is fixed with a convex slide rail (3), the top end of the floating clamping block (2) is provided with a convex slide groove (4) matched with the convex slide rail (3), two sides of the top end of the convex slide rail (3) are provided with two grooves (5), four support rods (6) are connected in the four grooves (5), and the top ends of the four support rods (6) are fixed with support plates (7); Four rolling assemblies (8) are arranged at the top ends of the four support plates (7), and the four rolling assemblies (8) are in abutment with the inner wall of the convex slide groove (4); Four buffer assemblies (9) are arranged in the four grooves (5), respectively, four support rods (6) are connected, and are used for buffering the support rod (6).

2. The floating clamp jaw of a pipe bender according to claim 1, wherein The rolling assembly (8) comprises a rolling groove (81) formed in the top end of the support plate (7), and a plurality of rolling balls (82) are connected in the rolling groove (81).

3. The floating clamp jaw of a pipe bender according to claim 2, wherein The buffer assembly (9) comprises a sliding block (91) fixedly arranged on both sides of the support rod (6), sliding grooves (92) are formed in the inner walls of the two grooves (5) for the sliding block (91) to slide, the inner walls of the two sliding grooves (92) are fixedly provided with dampers (93) fixed with the sliding block (91), and the outer walls of the two dampers (93) are sleeved with springs (94).

4. The floating clamp jaw of a pipe bender according to claim 1, wherein The inside of the convex slide rail (3) is provided with an oil storage cavity (10) below the groove (5), the oil storage cavity (10) is provided with a pressurizing assembly (11), one side of the convex slide rail (3) is provided with an oil outlet hole (12) in communication with the oil storage cavity (10), and the convex slide rail (3) is provided with an oil supply assembly (13).

5. The floating collet of claim 4 wherein, The pressurizing assembly (11) comprises a pressurizing rod (111) fixedly arranged at the bottom end of the support rod (6) and penetrating the oil storage cavity (10), and the bottom end of the pressurizing rod (111) is fixed with a pressurizing plug (112) sliding with the oil storage cavity (10).

6. The floating collet of claim 5 wherein, The oil supply assembly (13) comprises two delivery pipes (131) fixedly arranged in the convex slide rail (3), the two delivery pipes (131) are communicated with the oil storage cavity (10) through a shunt pipe (132), the two delivery pipes (131) are communicated with each other through a connecting pipe (133), and the connecting pipe (133) is communicated with an oil inlet pipe (134) penetrating to the outside of the convex slide rail (3).

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