Stainless steel pipe clamping structure

Abstract

The utility model relates to the technical field of stainless steel pipe machining equipment, and discloses a stainless steel pipe clamping structure which comprises a bottom plate, a mounting seat is fixedly connected to the upper end of the bottom plate, an air cylinder is fixedly connected to the rear end of the mounting seat, a telescopic rod is fixedly connected to the output end of the air cylinder, and a connecting seat is fixedly connected to the front end of the telescopic rod. A sliding groove is formed in the upper end of the connecting base. When the clamping structure for the stainless steel pipe is used, the stainless steel pipe is inserted into a limiting groove from the front end of the base, an air cylinder is started to increase the stroke of a telescopic rod, an adjusting rod is driven to move forwards, in the process, a guide block moves forwards, a clamping block moves forwards along with the guide block, a spring is stretched, a reset inclined block is extruded by the limiting groove, and the clamping block is driven to move towards the center along the guide groove; according to the stainless steel pipe clamping device, the single air cylinder serves as a clamping power mechanism, thrust in the linear direction is converted into clamping force towards the center, the structure is simple, and the clamping effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel pipe processing equipment, in particular to a clamping structure for stainless steel pipes. Background Art

[0002] Stainless steel pipe is a widely used metal pipe with excellent properties such as corrosion resistance, high temperature resistance, pressure resistance and beautiful appearance. When the stainless steel pipe is stretched, it is necessary to clamp the stainless steel pipe, and a clamping structure for the stainless steel pipe is required.

[0003] China Utility Model Patent Publication No.: CN 216940341 ​​U, discloses: a multifunctional stainless steel pipe clamp, which has different diameters due to smaller diameter raw materials, which will reduce the clamping effect of the device and the supporting effect of the support rod on the raw materials. At this time, the support rod, the threaded advancement mechanism and the four-group extrusion mechanism can be replaced through the clamping mechanism, so that the device can fit the raw materials better and increase the clamping and supporting effects. However, when the multifunctional stainless steel pipe clamp clamps stainless steel pipes of different specifications, it is necessary to replace the structure, which is time-consuming and labor-intensive. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a clamping structure for stainless steel pipes, which can effectively solve the problems in the prior art.

[0005] The technical solution adopted by the utility model is: a stainless steel pipe clamping structure, comprising a bottom plate, the upper end of the bottom plate is fixedly connected to a mounting seat, the rear end of the mounting seat is fixedly connected to a cylinder, the output end of the cylinder is fixedly connected to a telescopic rod, the front end of the telescopic rod is fixedly connected to a connecting seat, the upper end of the connecting seat is provided with a slide groove, the upper end of the bottom plate is fixedly connected to a clamp assembly, and the upper end of the clamp assembly is fixedly connected to a cover plate;

[0006] The clamp assembly includes a base, a limit slot, a guide block, a guide slot, a clamp block, clamping teeth, a slide rail, a reset bevel block, a first fixed column, a second fixed column, a spring, an adjusting rod and a connecting ring. The upper end of the base is provided with a limit slot, the upper end of the limit slot is provided with a guide block, the left side of the guide block is provided with a guide slot, the front end of the guide block is provided with a clamp block, the inner side of the clamp block is provided with clamping teeth, the outer side of the clamp block is fixedly connected with a reset bevel block, the rear end of the reset bevel block is provided with a fixed column one, the upper end of the limit slot is fixedly connected with a second fixed column, a spring is provided above the limit slot, the rear end of the guide block is fixedly connected with an adjusting rod, and the rear end of the adjusting rod is fixedly connected with a connecting ring.

[0007] Preferably, both sides of the inner wall of the limiting groove are inclined, and the reset bevel block is adapted to the limiting groove.

[0008] Through the above technical solution, a limit groove is provided to guide the reset inclined block.

[0009] Preferably, the guide groove and the slide rail are slidably connected.

[0010] Through the above technical solution, a guide groove and a slide rail are provided, and the clamping block can move along the guide groove to clamp the stainless steel pipe.

[0011] Preferably, the clamping block, the clamping teeth, the slide rail, the reset bevel block, the first fixing column, the second fixing column and the spring are provided in two symmetrical and identical groups.

[0012] Through the above technical scheme, when in use, the stainless steel pipe is inserted into the limit groove from the front end of the base, and the cylinder is started to increase the stroke of the telescopic rod, driving the adjusting rod forward. In this process, the guide block moves forward, and the clamping block moves forward accordingly. The spring is stretched, and the reset bevel block is squeezed by the limit groove, driving the clamping block to move toward the center along the guide groove until the clamping teeth of the two groups of clamping blocks bite the stainless steel pipe. Only a single cylinder is used as the clamping power mechanism to convert the thrust in the linear direction into a clamping force toward the center. The structure is simple and the clamping effect is good.

[0013] Preferably, two ends of the spring are fixedly connected to the first fixing column and the second fixing column respectively.

[0014] Through the above technical scheme, a spring is set. When the stainless steel pipe stops clamping, the control cylinder shortens the telescopic rod stroke and drives the adjusting rod backward. During this process, the guide block moves backward and the clamping block moves backward accordingly. The spring resets and pulls the reset bevel block, driving the reset bevel block to move backward and outward along the guide groove until it is reset. The reset structure is simple and the manufacturing is simple.

[0015] Preferably, the adjusting rod is slidably connected to the base, and the connecting ring is adapted to the sliding groove.

[0016] Through the above technical solution, a connecting ring and a slide groove are set. After the cylinder is installed, when the clamp assembly needs to be installed, the connecting ring is inserted into the slide groove of the connecting seat, which is convenient for assembly. The connecting seat can limit the adjusting rod.

[0017] Preferably, the mounting seat, the base and the bottom plate are all connected by bolt locking, and the center line of the base coincides with the center line of the bottom plate.

[0018] Through the above technical solution, the mounting seat, the base and the bottom plate are all connected by bolt locking, which is easy to assemble.

[0019] Compared with the prior art, the utility model provides a clamping structure for stainless steel pipes, which has the following beneficial effects:

[0020] 1. This is a clamping structure for stainless steel pipes. When in use, insert the stainless steel pipe into the limit groove from the front end of the base, start the cylinder to increase the travel of the telescopic rod, and drive the adjusting rod forward. During this process, the guide block moves forward, and the clamping block moves forward accordingly. The spring is stretched, and the reset bevel block is squeezed by the limit groove, driving the clamping block to move toward the center along the guide groove until the clamping teeth of the two groups of clamping blocks bite the stainless steel pipe tightly. Only a single cylinder is used as the clamping power mechanism to convert the thrust in the linear direction into the clamping force toward the center. The structure is simple and the clamping effect is good.

[0021] 2. The stainless steel pipe clamping structure is provided with a connecting ring and a slide groove. After the cylinder is installed, when the clamp assembly needs to be installed, the connecting ring is inserted into the slide groove of the connecting seat, which is convenient for assembly, and the connecting seat can be used as a limit for the adjusting rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0023] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0024] Figure 3 This is a schematic diagram of the disassembled structure of the connecting seat and the clamp assembly of the utility model;

[0025] Figure 4 This is an enlarged structural diagram of the clamp assembly of the utility model;

[0026] Figure 5 It is a structural schematic diagram of the clamp assembly of the utility model in use;

[0027] Figure 6 It is a schematic diagram of the disassembled structure of the guide block and the clamping block of the utility model.

[0028] Among them: 1. Base plate; 2. Mounting seat; 3. Cylinder; 4. Telescopic rod; 5. Connecting seat; 6. Slide groove; 7. Clamp assembly; 701. Base; 702. Limiting groove; 703. Guide block; 704. Guide groove; 705. Clamp block; 706. Clamp teeth; 707. Slide rail; 708. Reset bevel block; 709. Fixed column one; 710. Fixed column two; 711. Spring; 712. Adjusting rod; 713. Connecting ring; 8. Cover plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1: Figure 1-6 As shown, the utility model provides a stainless steel pipe clamping structure, comprising a bottom plate 1, a mounting seat 2 is fixedly connected to the upper end of the bottom plate 1, a cylinder 3 is fixedly connected to the rear end of the mounting seat 2, a telescopic rod 4 is fixedly connected to the output end of the cylinder 3, a connecting seat 5 is fixedly connected to the front end of the telescopic rod 4, a slide groove 6 is provided on the upper end of the connecting seat 5, a clamp assembly 7 is fixedly connected to the upper end of the bottom plate 1, and a cover plate 8 is fixedly connected to the upper end of the clamp assembly 7;

[0031] The clamp assembly 7 includes a base 701, a limiting groove 702, a guide block 703, a guide groove 704, a clamping block 705, a clamping tooth 706, a slide rail 707, a reset inclined block 708, a fixing column 1 709, a fixing column 2 710, a spring 711, an adjusting rod 712 and a connecting ring 713. The upper end of the base 701 is provided with a limiting groove 702, the upper end of the limiting groove 702 is provided with a guide block 703, the left side of the guide block 703 is provided with a guide groove 704, and the guide A clamping block 705 is provided at the front end of the guide block 703, a clamping tooth 706 is provided on the inner side of the clamping block 705, a reset bevel block 708 is fixedly connected to the outer side of the clamping block 705, a fixing column 1 709 is provided at the rear end of the reset bevel block 708, a fixing column 2 710 is fixedly connected to the upper end of the limiting groove 702, a spring 711 is provided above the limiting groove 702, an adjusting rod 712 is fixedly connected to the rear end of the guide block 703, and a connecting ring 713 is fixedly connected to the rear end of the adjusting rod 712.

[0032] Specifically, the inner walls of the limiting groove 702 are inclined on both sides, and the reset bevel block 708 is matched with the limiting groove 702. The advantage is that the limiting groove 702 is provided to guide the reset bevel block 708.

[0033] Specifically, the guide groove 704 is slidably connected to the slide rail 707. The advantage is that the guide groove 704 and the slide rail 707 are provided, and the clamping block 705 can move along the guide groove 704 to clamp the stainless steel pipe.

[0034] Specifically, the clamping block 705, the clamping teeth 706, the slide rail 707, the reset bevel block 708, the fixed column 1 709, the fixed column 2 710, and the spring 711 are provided with two symmetrical and identical groups. The advantage is that when in use, the stainless steel pipe is inserted into the limit groove 702 from the front end of the base 701, the cylinder 3 is started to increase the stroke of the telescopic rod 4, and the adjustment rod 712 is driven forward. In this process, the guide block 703 moves forward, and the clamping block 705 moves forward accordingly. The spring 711 is stretched, and the reset bevel block 708 is squeezed by the limit groove 702, driving the clamping block 705 to move toward the center along the guide groove 704 until the clamping teeth 706 of the two groups of clamping blocks 705 bite the stainless steel pipe tightly. Only a single cylinder 3 is used as a clamping power mechanism to convert the thrust in the linear direction into a clamping force toward the center. The structure is simple and the clamping effect is good.

[0035] Embodiment 2: Figure 2-6 As shown, as an improvement to the previous embodiment.

[0036] Specifically, the two ends of the spring 711 are respectively fixedly connected to the fixing column 1 709 and the fixing column 2 710. The advantage is that, with the spring 711, when the stainless steel pipe is stopped from being clamped, the control cylinder 3 shortens the travel of the telescopic rod 4, driving the adjustment rod 712 backward, during which the guide block 703 moves backward, and the clamping block 705 moves backward accordingly, and the spring 711 resets and pulls the reset bevel block 708, driving the reset bevel block 708 to move backward and outward along the guide groove 704 until it is reset, and the reset structure is simple and the manufacturing is simple.

[0037] Specifically, the adjusting rod 712 is slidably connected to the base 701, and the connecting ring 713 is adapted to the slide groove 6. The advantage is that the connecting ring 713 and the slide groove 6 are provided, and after the cylinder 3 is installed, when the clamp assembly 7 needs to be installed, the connecting ring 713 is inserted into the slide groove 6 of the connecting seat 5, and the assembly is convenient, and the connecting seat 5 can limit the adjusting rod 712.

[0038] Specifically, the mounting seat 2, the base 701 and the bottom plate 1 are all connected by bolts, and the center line of the base 701 coincides with the center line of the bottom plate 1. The advantage is that the mounting seat 2, the base 701 and the bottom plate 1 are all connected by bolts, which is easy to assemble.

[0039] Working principle: During installation, after the cylinder 3 is fixed to the base plate 1, the connecting ring 713 is inserted into the slide groove 6 of the connecting seat 5, and the clamp assembly 7 is fixed to the base plate 1. The assembly is convenient. The connecting seat 5 can limit the adjustment rod 712. When in use, the stainless steel pipe is inserted into the limit groove 702 from the front end of the base 701, and the cylinder 3 is started to increase the stroke of the telescopic rod 4, driving the adjustment rod 712 forward. During this process, the guide block 703 moves forward, and the clamp block 705 moves forward accordingly. The spring 711 is stretched, and the reset bevel block 708 is squeezed by the limit groove 702, driving the clamp block 705 to move along the guide groove 704 The center moves until the clamping teeth 706 of the two sets of clamping blocks 705 bite the stainless steel pipe, and only a single cylinder 3 is used as the clamping power mechanism to convert the thrust in the straight line direction into a clamping force toward the center. The structure is simple and the clamping effect is good. When the stainless steel pipe is stopped, the cylinder 3 is controlled to shorten the stroke of the telescopic rod 4, driving the adjusting rod 712 backward. During this process, the guide block 703 moves backward, and the clamping block 705 moves backward accordingly. The spring 711 resets and pulls the reset bevel block 708, driving the reset bevel block 708 to move backward while moving outward along the guide groove 704 until it is reset. The reset structure is simple and the manufacturing is simple.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stainless steel pipe clamping structure, comprising a bottom plate (1), characterized in that: The upper end of the base plate (1) is fixedly connected to a mounting seat (2), the rear end of the mounting seat (2) is fixedly connected to a cylinder (3), the output end of the cylinder (3) is fixedly connected to a telescopic rod (4), the front end of the telescopic rod (4) is fixedly connected to a connecting seat (5), a sliding groove (6) is provided at the upper end of the connecting seat (5), the upper end of the base plate (1) is fixedly connected to a clamp assembly (7), and the upper end of the clamp assembly (7) is fixedly connected to a cover plate (8); The clamp assembly (7) comprises a base (701), a limiting groove (702), a guide block (703), a guide groove (704), a clamp block (705), a clamping tooth (706), a slide rail (707), a reset inclined block (708), a fixing column 1 (709), a fixing column 2 (710), a spring (711), an adjusting rod (712) and a connecting ring (713). The upper end of the base (701) is provided with a limiting groove (702), the upper end of the limiting groove (702) is provided with a guide block (703), the left side of the guide block (703) is provided with a guide groove (704), and the The front end of the guide block (703) is provided with a clamping block (705), the inner side of the clamping block (705) is provided with clamping teeth (706), the outer side of the clamping block (705) is fixedly connected with a reset inclined block (708), the rear end of the reset inclined block (708) is provided with a fixing column 1 (709), the upper end of the limiting groove (702) is fixedly connected with a fixing column 2 (710), the upper part of the limiting groove (702) is provided with a spring (711), the rear end of the guide block (703) is fixedly connected with an adjusting rod (712), and the rear end of the adjusting rod (712) is fixedly connected with a connecting ring (713).

2. The stainless steel pipe clamping structure according to claim 1, characterized in that: Both sides of the inner wall of the limiting groove (702) are inclined structures, and the reset inclined block (708) is adapted to the limiting groove (702).

3. The stainless steel pipe clamping structure according to claim 1, characterized in that: The guide groove (704) and the slide rail (707) are slidably connected.

4. The stainless steel pipe clamping structure according to claim 3, characterized in that: The clamping block (705), the clamping teeth (706), the slide rail (707), the reset inclined block (708), the first fixing column (709), the second fixing column (710), and the spring (711) are arranged in two symmetrical and identical groups.

5. The stainless steel pipe clamping structure according to claim 4, characterized in that: The two ends of the spring (711) are respectively fixedly connected to a fixing column 1 (709) and a fixing column 2 (710).

6. The stainless steel pipe clamping structure according to claim 1, characterized in that: The adjusting rod (712) is slidably connected to the base (701), and the connecting ring (713) is adapted to the sliding groove (6).

7. The stainless steel pipe clamping structure according to claim 1, characterized in that: The mounting seat (2), the base (701) and the bottom plate (1) are all connected by bolt locking, and the center line of the base (701) coincides with the center line of the bottom plate (1).

Images