Clamping mechanism of seamless steel pipe horizontal sawing machine

Abstract

The utility model relates to the technical field of machining, and discloses a clamping mechanism of a seamless steel tube horizontal sawing machine, which comprises a machine tool, a control box is arranged on the front side of the machine tool, a machining saw is arranged at the top of the machine tool, clamping devices are arranged on the left side and the right side in the machine tool, and mounting mechanisms are arranged in the clamping devices. The clamping device comprises a sliding block, the sliding block is slidably connected into the machine tool, an electric push rod is fixed into the sliding block, a first trapezoidal block is fixed to the top of the electric push rod, second trapezoidal blocks are slidably connected to the front side and the rear side of the first trapezoidal block, and connecting rods are fixed to the tops of the two second trapezoidal blocks. According to the multi-directional clamping device, through the inclined plane matching between the trapezoidal blocks and the sliding connection design of the embedding blocks in the embedding grooves, multi-directional stable clamping is achieved, and clamping is more efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field especially, relates to a clamping mechanism of seamless steel tube horizontal sawing machine. BACKGROUND

[0002] Seamless steel pipe is a kind of pipe material manufactured by hot rolling, cold rolling or cold drawing, with uniform structure and superior mechanical properties, widely used in petroleum, chemical industry, automobile, aerospace and other fields. Since seamless steel pipe has no welding seam, it has high compressive resistance and corrosion resistance, and plays an important role in high-strength and high-precision industrial scenes;

[0003] Seamless steel pipe horizontal sawing machine is a kind of equipment specially used for processing seamless steel pipe, which combines processing stability and operation convenience through horizontal design. The core function of sawing machine is to cut the length of seamless steel pipe with high precision, and the steel pipe is fixed by clamping mechanism to ensure that the position does not deviate during cutting. This equipment is mainly used in batch production and high-precision cutting field, and is one of the key equipment for processing seamless steel pipe;

[0004] The existing clamping mechanism of seamless steel pipe horizontal sawing machine has certain limitations in improving clamping efficiency and ensuring positioning accuracy. Some machine tool clamping devices only have clamping force on both sides, so that the clamping force distribution will cause uneven stress on the surface of steel pipe, thereby affecting the cutting precision. The clamping and loosening operation steps are relatively complex, which reduces the processing efficiency of the equipment. Therefore, a clamping mechanism of seamless steel pipe horizontal sawing machine is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a clamping mechanism of seamless steel pipe horizontal sawing machine, which aims to improve the problem that some machine tool clamping devices in the prior art will cause uneven stress on the surface of steel pipe, thereby affecting the cutting precision and reducing the processing efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A clamping mechanism of seamless steel pipe horizontal sawing machine, comprising a machine tool, a control box is arranged on the front side of the machine tool, a processing saw is arranged on the top of the machine tool, clamping devices are arranged on the left and right sides of the inside of the machine tool, and mounting mechanisms are arranged in the clamping devices.

[0008] The clamping device comprises a sliding block, which is slidingly connected in the inside of the machine tool, the inside of the sliding block is fixed with an electric push rod, the top of the electric push rod is fixed with a trapezoidal block one, the front and back sides of the trapezoidal block one are slidingly connected with trapezoidal block two, the top of the two trapezoidal block two is fixed with a connecting rod, the side of the connecting rod away from the trapezoidal block two is slidingly connected with a connecting block, the side of the connecting block is fixed with an arc-shaped ring one, the side of the trapezoidal block one away from the electric push rod is fixed with a connecting rod, the side of the connecting rod away from the trapezoidal block one is fixed with an arc-shaped ring two, the left and right sides of the trapezoidal block two are fixed with a limiting assembly, and the front and back sides of the trapezoidal block one are provided with an embedded assembly.

[0009] As a further description of the above technical scheme:

[0010] The mounting mechanism comprises a sliding rod, which is slidingly connected in the inside of the connecting block, the side of the sliding rod close to the connecting rod is fixed with a clamping block, the side of the sliding rod away from the connecting rod is fixed with a pulling block, the inside of the connecting block is provided with a sliding groove, the inside of the connecting rod is provided with a clamping groove, and the outer periphery of the sliding rod is provided with a supporting assembly.

[0011] As a further description of the above technical scheme:

[0012] The limiting assembly comprises a limiting block, which is fixed on the side of the trapezoidal block two, and the inside of the sliding block is provided with a limiting groove.

[0013] As a further description of the above technical scheme:

[0014] The embedded assembly comprises an embedded block, which is fixedly connected on the side of the trapezoidal block one, and the inside of the trapezoidal block two is provided with an embedded groove.

[0015] As a further description of the above technical scheme:

[0016] The supporting assembly comprises a sliding plate, which is fixedly connected on the outer periphery of the sliding rod, and the side of the sliding plate away from the clamping block is fixed with a spring.

[0017] As a further description of the above technical scheme:

[0018] The trapezoidal block two is slidingly connected in the inside of the sliding block, and the limiting block is slidingly connected in the inside of the limiting groove.

[0019] As a further description of the above technical scheme:

[0020] The embedded block is slidingly connected in the inside of the embedded groove.

[0021] As a further description of the above technical scheme:

[0022] The sliding plate is arranged on the outer periphery of the sliding rod, and the spring is fixed in the interior of the connecting block away from the end of the sliding plate.

[0023] The utility model has the advantages of the following:

[0024] 1. In the utility model, the inclined surfaces between the trapezoidal blocks and the sliding connection design of the embedded blocks in the embedded grooves realize stable clamping in multiple directions, effectively control the horizontal movement track of the clamping components, the inclined surface contact design of the trapezoidal blocks can convert the longitudinal movement of the electric push rod into the horizontal movement of the clamp, the clamping is more efficient, the complexity of multiple adjustment operations is avoided, and the problems of uneven stress on the surface of the steel pipe and low clamping efficiency caused by the traditional clamping mechanism are solved.

[0025] 2. In the utility model, the combination design of the clamping blocks and the sliding rods makes the replacement process of the arc-shaped rings simple and fast, the clamping blocks are embedded into the connecting rods, the reset ability of the springs is utilized to automatically reset after the sliding rods move, the operation convenience is further improved, and the difficulty of maintenance and part replacement is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A three-dimensional schematic view of the clamping mechanism of the horizontal sawing machine for seamless steel pipes is provided in the utility model;

[0027] Figure 2 A structural schematic view of the sliding block of the clamping mechanism of the horizontal sawing machine for seamless steel pipes is provided in the utility model;

[0028] Figure 3 A structural schematic view of the limiting block of the clamping mechanism of the horizontal sawing machine for seamless steel pipes is provided in the utility model;

[0029] Figure 4 A structural schematic view of the sliding rod of the clamping mechanism of the horizontal sawing machine for seamless steel pipes is provided in the utility model.

[0030] LEGEND:

[0031] 1. machine tool; 2. control box; 3. machining saw; 4. clamping device; 401. sliding block; 402. electric push rod; 403. trapezoidal block one; 404. trapezoidal block two; 405. connecting rod; 406. connecting block; 407. arc-shaped ring one; 408. connecting rod; 409. arc-shaped ring two; 5. limiting assembly; 501. limiting block; 502. limiting groove; 6. embedded assembly; 601. embedded block; 602. embedded groove; 7. mounting mechanism; 701. pull block; 702. sliding rod; 703. clamping block; 704. sliding groove; 705. clamping groove; 8. supporting assembly; 801. sliding plate; 802. spring. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] With reference to Figure 1 Figure 3 An embodiment provided by the utility model: a clamping mechanism of a horizontal sawing machine for seamless steel pipes, comprising a machine tool 1, the machine tool 1 is a horizontal sawing machine, used for machining seamless steel pipes, the front side of the machine tool 1 is provided with a control box 2, the control box 2 is used for controlling the overall operation of the machine tool 1, and an internal circuit is arranged, the top of the machine tool 1 is provided with a machining saw 3, the machining saw 3 is used for cutting steel pipes, and the left and right sides of the inside of the machine tool 1 are both provided with clamping devices 4, and the inside of the clamping device 4 is provided with a mounting mechanism 7;

[0034] The clamping device 4 comprises a sliding block 401, the sliding block 401 is slidably connected in the inside of the machine tool 1, the sliding block 401 is connected with a lead screw in the inside of the machine tool 1, so as to slide in the machine tool 1, the inside of the sliding block 401 is fixedly provided with an electric push rod 402, the top of the electric push rod 402 is fixedly provided with a trapezoidal block one 403, the electric push rod 402 is a short stroke electric push rod, the model is La12, is connected with the trapezoidal block one 403, and is used for controlling the trapezoidal block one 403 to move, the left and right sides of the trapezoidal block one 403 are both slidably connected with trapezoidal blocks two 404, the trapezoidal blocks two 404 are slidably connected in the inside of the sliding block 401, the inclined surface of the trapezoidal block two 404 is in contact with the inclined surface of the trapezoidal block one 403, the trapezoidal block two 404 can be driven to move when the trapezoidal block one 403 moves, the top of the two trapezoidal blocks two 404 is fixedly provided with a connecting rod 405, one side of the connecting rod 405 away from the trapezoidal block two 404 is slidably connected with a connecting block 406, the connecting rod 405 is used for connecting the trapezoidal block two 404 with the connecting block 406, the connecting block 406 can be driven to move through the connecting rod 405 when the trapezoidal block two 404 moves, one side of the connecting block 406 is fixedly provided with an arc-shaped ring one 407, the connecting block 406 is connected with the arc-shaped ring one 407, the arc-shaped ring one 407 can be driven to move when the connecting block 406 moves, one side of the trapezoidal block one 403 away from the electric push rod 402 is fixedly provided with a connecting rod 408, one side of the connecting rod 408 away from the trapezoidal block one 403 is fixedly provided with an arc-shaped ring two 409, the connecting rod 408 is used for connecting the arc-shaped ring two 409 with the trapezoidal block one 403, the arc-shaped ring two 409 can be driven to move when the trapezoidal block one 403 is driven to move by the electric push rod 402, the arc-shaped ring one 407 and the arc-shaped ring two 409 are both made of silica gel material, used for being attached to the outer periphery of the steel pipe, the left and right sides of the trapezoidal block two 404 are both fixedly provided with a limiting assembly 5, and the left and right sides of the trapezoidal block one 403 are both provided with an embedded assembly 6.​

[0035] With reference to Figure 4 , the mounting mechanism 7 comprises a sliding rod 702 which is slidingly connected in the interior of the connecting block 406, the sliding rod 702 is fixed with a clamping block 703 on the side close to the connecting rod 405, the sliding rod 702 is connected with the clamping block 703, and the clamping block 703 can be driven to move together with the sliding rod 702 when the sliding rod 702 moves, the sliding rod 702 is fixed with a pulling block 701 on the side away from the connecting rod 405, the pulling block 701 is connected with the sliding rod 702, and the sliding rod 702 can be driven to move by pulling the pulling block 701, a sliding groove 704 is arranged in the interior of the connecting block 406, a clamping groove 705 is arranged in the interior of the connecting rod 405, and a supporting assembly 8 is arranged on the outer periphery of the sliding rod 702.

[0036] With reference to Figures 2-3 , the limiting assembly 5 comprises limiting blocks 501 which are fixed on the sides of the trapezoidal block two 404 respectively, limiting grooves 502 are arranged in the interior of the sliding block 401 on the front and back sides, the limiting blocks 501 are slidingly connected in the interiors of the limiting grooves 502, the limiting block one 501 is connected with the trapezoidal block two 404, and the trapezoidal block two 404 can drive the limiting block one 501 to slide in the limiting groove 502 when the trapezoidal block two 404 moves, so that the trapezoidal block two 404 can only move horizontally.

[0037] With reference to Figure 3 , the fitting assembly 6 comprises a fitting block 601 which is fixedly connected on the side of the trapezoidal block one 403, a fitting groove 602 is arranged in the interior of the trapezoidal block two 404, the fitting block 601 is slidingly connected in the interior of the fitting groove 602, and the fitting block 601 and the fitting groove 602 are both isosceles trapezoidal in shape, and the fitting block 601 can slide together in the fitting groove 602 when the trapezoidal block one 403 moves.

[0038] With reference to Figure 4 , the supporting assembly 8 comprises a sliding plate 801 which is fixedly connected on the outer periphery of the sliding rod 702, the sliding plate 801 is fixed with springs 802 on the side away from the clamping block 703, the sliding plate 801 is sleeved on the outer periphery of the sliding rod 702, the springs 802 are fixed in the interior of the connecting block 406 on the end away from the sliding plate 801, the sliding plate 801 is connected with the sliding rod 702, and the sliding plate 801 can be driven to move together with the sliding rod 702 when the sliding rod 702 moves, the springs 802 are fixed in the interior of the connecting block 406, and the sliding plate 801 will apply a force to the springs 802 when the sliding plate 801 moves, so that the springs 802 are contracted, and the springs 802 will generate a reset movement after losing the force of the sliding plate 801, thereby driving the sliding plate 801 to move.

[0039] Working principle: in the steel pipe sawing work, first start the electric push rod 402, make electric push rod 402 control trapezoidal block one 403 move up, when trapezoidal block one 403 moves, the front and rear two sides of the embedded block 601 will be respectively in the embedded groove 602 inside the two trapezoidal block two 404, and through the slope contact of trapezoidal block one 403 and trapezoidal block two 404, trapezoidal block two 404 will produce horizontal movement, and the limiting block 501 on the left and right sides of trapezoidal block two 404 will slide in the limiting groove 502, so as to guide the movement of trapezoidal block two 404, and in the process of trapezoidal block two 404 moving, the connecting rod 405 will drive the connecting block 406 to move together, and then drive the arc ring one 407 to move horizontally, and in the process of trapezoidal block one 403 moving up, the connecting rod 408 will move up together with the arc ring two 409, and the arc ring two 409 is away from the connecting rod 408;

[0040] Then the steel pipe is placed on the top of the arc ring two 409, and then the electric push rod 402 is started again, at this time, the electric push rod 402 drives the trapezoidal block one 403 to move down, and in the process of trapezoidal block one 403 moving down, the arc ring two 409 will move down together, and at this time, the two trapezoidal block two 404 move towards each other, so that in the process of the arc ring two 409 driving the steel pipe to move down, the two arc ring one 407 gradually fit the outer periphery of the steel pipe, and fix the steel pipe;

[0041] And when the arc ring one 407 needs to be replaced, pull the pull block 701, the pull block 701 will drive the slide rod 702 to move together, so that the slide rod 702 drives the clamping block 703 to move together, at the same time, the slide rod 702 will also drive the sliding plate 801 to slide in the sliding groove 704 inside the connecting block 406, and exert force on the spring 802, so that the spring 802 contracts, and after the clamping block 703 slides out of the clamping groove 705, the connecting block 406 and the connecting rod 405 can be separated, so as to replace the arc ring one 407.

[0042] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A clamping mechanism of a horizontal sawing machine for seamless steel pipes, comprising a machine tool (1), characterized in that: The front side of the machine tool (1) is provided with a control box (2), the top of the machine tool (1) is provided with a processing saw (3), and the left and right sides of the inside of the machine tool (1) are provided with clamping devices (4), and the inside of the clamping device (4) is provided with a mounting mechanism (7). The clamping device (4) includes a sliding block (401), the sliding block (401) is slidably connected inside the machine tool (1), the inside of the sliding block (401) is fixedly connected with an electric push rod (402), the top of the electric push rod (402) is fixedly connected with a trapezoidal block one (403), the front and back of the trapezoidal block one (403) are slidably connected with a trapezoidal block two (404), the top of the two trapezoidal block two (404) is fixedly connected with a connecting rod (405), the side away from the trapezoidal block two (404) of the connecting rod (405) is slidably connected with a connecting block (406), one side of the connecting block (406) is fixedly connected with an arc ring one (407), the side away from the electric push rod (402) of the trapezoidal block one (403) is fixedly connected with a connecting rod (408), the side away from the trapezoidal block one (403) of the connecting rod (408) is fixedly connected with an arc ring two (409), the left and right sides of the trapezoidal block two (404) are fixedly connected with a limiting assembly (5), and the front and back of the trapezoidal block one (403) are provided with an embedded assembly (6).

2. A clamping mechanism for a horizontal sawing machine for seamless steel pipes according to claim 1, characterized in that: The mounting mechanism (7) includes a sliding rod (702), the sliding rod (702) is slidably connected inside the connecting block (406), the side close to the connecting rod (405) of the sliding rod (702) is fixedly connected with a clamping block (703), the side away from the connecting rod (405) of the sliding rod (702) is fixedly connected with a pulling block (701), the inside of the connecting block (406) is provided with a sliding groove (704), the inside of the connecting rod (405) is provided with a clamping groove (705), and the outer periphery of the sliding rod (702) is provided with a supporting assembly (8).

3. A clamping mechanism for a horizontal sawing machine for seamless steel pipes according to claim 1, characterized in that: The limiting assembly (5) includes a limiting block (501), the limiting block (501) is fixedly connected to one side of the trapezoidal block two (404), and the inside of the sliding block (401) is provided with a limiting groove (502) on the front and back.

4. The clamping mechanism of a horizontal sawing machine for seamless steel pipes according to claim 1, characterized in that: The embedded assembly (6) includes an embedded block (601), the embedded block (601) is fixedly connected to one side of the trapezoidal block one (403), and the inside of the trapezoidal block two (404) is provided with an embedded groove (602).

5. A clamping mechanism for a horizontal sawing machine for seamless steel pipes according to claim 2, characterized in that: The supporting assembly (8) includes a sliding plate (801), the sliding plate (801) is fixedly connected to the outer periphery of the sliding rod (702), and the side away from the clamping block (703) of the sliding plate (801) is fixedly connected with a spring (802).

6. A clamping mechanism for a horizontal sawing machine for seamless steel pipes according to claim 3, characterized in that: The trapezoidal block two (404) is slidably connected inside the sliding block (401), the limiting block (501) is slidably connected inside the limiting groove (502).

7. A clamping mechanism for a horizontal sawing machine for seamless steel pipes according to claim 4, characterized in that: The embedded block (601) is slidably connected inside the embedded groove (602).

8. A clamping mechanism for a horizontal sawing machine for seamless steel pipes according to claim 5, characterized in that: The slide plate (801) is sleeved on the outer periphery of the slide rod (702), and the spring (802) is fixed in the connecting block (406) away from one end of the slide plate (801).

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