Clamping mechanism for spiral corrugated pipe machining

Abstract

The clamping mechanism for machining the spiral corrugated pipe comprises a workbench, a first clamping mechanism body and a second clamping mechanism body, the first clamping mechanism body is composed of a lifting frame, a rotating shaft, an adjusting sleeve, a first telescopic cylinder and a plurality of movable plates, and the rotating shaft is connected with the lifting frame in an up-down sliding mode through a lifting sliding block; the adjusting sleeve is slidably connected with one end of the rotating shaft, a second telescopic cylinder is connected between the bottom of the lifting sliding block and the bottom of the lifting frame, a cross plate is arranged on the rotating shaft, a plurality of limiting sliding grooves are formed in the cross plate, and one ends of a plurality of movable plates are slidably connected with the limiting sliding grooves. The outer side of the adjusting sleeve is rotationally connected with the bottom of the movable plate through a plurality of transmission rods, a supporting plate of an L-shaped structure is arranged on one side of the lifting sliding block, the first telescopic cylinder is fixed to one side of the supporting plate, and the extending end of the first telescopic cylinder penetrates through the rotating shaft to be rotationally connected with the other end of the adjusting sleeve. The bottom of the second clamping mechanism is in sliding connection with the workbench through a lead screw sliding rail.

Description

Technical Field

[0001] The utility model belongs to the technical field of spiral corrugated pipe processing equipment, and in particular relates to a clamping mechanism for spiral corrugated pipe processing. Background Art

[0002] Spiral bellows refers to a bellows with corrugations distributed in a cylindrical spiral. Due to its own particularity, it can be widely used in the process of transporting sewage. Spiral bellows is an excellent high-efficiency anisotropic enhanced heat exchange pipe fitting, which has a significant strengthening effect on the heat exchange process of the fluid and is widely used in the manufacture of heat exchangers. In the processing of spiral bellows, it is usually necessary to use a clamping mechanism to fix it to prevent it from shaking at will during processing.

[0003] When the existing clamping mechanism is used to clamp the spiral corrugated pipe, it is not convenient to adjust the clamping mechanism according to the size of the pipe diameter, and the clamping mechanism needs to be replaced according to the size of the pipe diameter to clamp and fix the pipe body, which affects the efficiency of pipeline processing; in addition, after the existing clamping mechanism is used to clamp the spiral corrugated pipe, it is not convenient to flip the clamped spiral corrugated pipe according to the required processing surface, which not only increases the operator's workload, but also reduces the flipping efficiency. Utility Model Content

[0004] In order to solve the problems existing in the background technology, the utility model provides a clamping mechanism for processing a spiral corrugated pipe.

[0005] The utility model provides a clamping mechanism for processing a spiral corrugated pipe, comprising a workbench, a first clamping mechanism and a second clamping mechanism, wherein the first clamping mechanism and the second clamping mechanism have the same structure and are arranged opposite to each other on the workbench, the first clamping mechanism is composed of a lifting frame, a rotating shaft, an adjusting sleeve, a first telescopic cylinder and a plurality of movable plates, wherein the rotating shaft is slidably connected to the lifting frame up and down through a lifting slider, the adjusting sleeve is slidably connected to one end of the rotating shaft, the second telescopic cylinder is connected between the bottom of the lifting slider and the bottom of the lifting frame, a cross plate is arranged on the rotating shaft, a plurality of limiting sliding grooves are arranged on the cross plate, one end of the plurality of movable plates is slidably connected to the limiting sliding groove, the outer side of the adjusting sleeve is rotatably connected to the bottom of the movable plate through a plurality of transmission rods, an L-shaped support plate is arranged on one side of the lifting slider, the first telescopic cylinder is fixed to one side of the support plate, and the protruding end of the first telescopic cylinder passes through the rotating shaft and is rotatably connected to the other end of the adjusting sleeve, and the bottom of the second clamping mechanism is slidably connected to the workbench through a screw slide rail.

[0006] Furthermore, the workbench is an overall U-shaped structure, and the lower end surface of the screw rail passes through the bottom of the workbench, there is a distance between the lower end of the screw rail and the lower end of the workbench, and a first drive motor is provided at one end of the screw rail.

[0007] Furthermore, the lifting frame as a whole is composed of a base plate parallel to the workbench and a vertically arranged support frame, wherein the lifting slider is connected to the support frame for up and down sliding, the second telescopic cylinder is located in the middle position of the support frame, and the bottom of the second telescopic cylinder is connected to the base plate, and the protruding end of the second telescopic cylinder is connected to the bottom of the lifting slider.

[0008] Furthermore, the cross plate is a cross-shaped structure as a whole, and the plurality of limit slide grooves are located on the outside of the cross-shaped structure, the movable plate is vertically arranged to the cross plate, and the tail of the movable plate is slidably connected to the limit slide groove through a limit guide plate arranged parallel to the cross plate.

[0009] Furthermore, the support plate is located on a side of the lifting frame away from the cross plate, the rotating shaft on the first clamping mechanism is located on the support plate and a driven wheel is provided, and the driven wheel is connected to a driving wheel through a synchronous belt, the driving wheel is connected to a second drive motor, and the second drive motor is fixed on the support plate.

[0010] Furthermore, the length of the adjustment sleeve is greater than the length of the rotating shaft on the side of the cross plate away from the support plate, the multiple transmission rods are located at both ends between the adjustment sleeve and the movable plate, the multiple transmission rods are inclined between the adjustment sleeve and the movable plate, and the angle formed between the inclined multiple transmission rods and the rotating shaft is less than 90 degrees.

[0011] Furthermore, the second clamping mechanism is located at the bottom of the lifting frame and is connected to the lead screw slide rail through a limit slider, and the middle position of the first clamping mechanism and the second clamping mechanism is on the same vertical plane.

[0012] Beneficial effects of the utility model:

[0013] The clamping mechanism uses the first clamping mechanism and the second clamping mechanism on both sides to move the adjusting sleeve to expand the connected movable plate, thereby supporting and fixing the inner edge of the spiral bellows, thereby completing the clamping of the spiral bellows, so that spiral bellows of different diameters can be clamped; in addition, since the adjusting sleeve is fixedly connected to the cross plate on the rotating shaft as a whole through the movable plate, when the rotating shaft at one end is driven to rotate, the rotating shaft on the other side rotates synchronously, thereby achieving the purpose of automatic rotation and turning over, reducing the labor intensity of the operator and increasing the turning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a structure of a clamping mechanism for processing spiral corrugated pipes Figure 1 .

[0015] Figure 2 The utility model is a structure of a clamping mechanism for processing spiral corrugated pipes Figure 2 .

[0016] Figure 3 The utility model is a first clamping mechanism structure diagram of a clamping mechanism for processing spiral corrugated pipes.

[0017] Figure 4 The utility model is a cross-sectional structural diagram of a first clamping mechanism of a clamping mechanism for processing a spiral corrugated pipe.

[0018] (1. Workbench; 2. First clamping mechanism; 3. Second clamping mechanism; 4. Lifting frame; 5. Rotating shaft; 6. Adjusting sleeve; 7. First telescopic cylinder; 8. Movable plate; 9. Lifting slide block; 10. Second telescopic cylinder; 11. Cross plate; 12. Limiting slide groove; 13. Multiple transmission rods; 14. Support plate; 15. Screw guide rail; 16. First drive motor; 17. Bottom plate; 18. Support frame; 19. Limiting guide plate; 20. Driven wheel; 21. Synchronous belt; 22. Driving wheel; 23. Second drive motor; 24. Limiting slide block) DETAILED DESCRIPTION

[0019] 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.

[0020] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0021] Embodiment 1:

[0022] See also Figure 1-4The utility model provides a clamping mechanism for spiral corrugated pipe processing, comprising a workbench 1, a first clamping mechanism 2 and a second clamping mechanism 3, wherein the first clamping mechanism 2 and the second clamping mechanism 3 have the same structure and are arranged opposite to each other on the workbench 1, and the bottom of the second clamping mechanism 3 is slidably connected to the workbench 1 through a screw rail 15, the workbench 1 is an overall U-shaped structure, and the lower end surface of the screw rail 15 passes through the bottom of the workbench 1, and there is a distance between the lower end of the screw rail 15 and the lower end of the workbench 1, and a first driving motor 16 is arranged at one end of the screw rail 15, the second clamping mechanism 3 is located at the bottom of the lifting frame 4 and is connected to the screw rail 15 through a limiting slider 24, and the middle position of the first clamping mechanism 2 and the second clamping mechanism 3 is on the same vertical plane.

[0023] In the utility model, the first clamping mechanism 2 is composed of a lifting frame 4, a rotating shaft 5, an adjusting sleeve 6, a first telescopic cylinder 7 and a plurality of movable plates 8, wherein the rotating shaft 5 is connected to the lifting frame 4 for vertical sliding movement through a lifting slider 9, a second telescopic cylinder 10 is connected between the bottom of the lifting slider 9 and the bottom of the lifting frame 4, and the lifting frame 4 as a whole is composed of a bottom plate 17 parallel to the workbench 1 and a vertically arranged support frame 18, wherein the lifting slider 9 is connected to the support frame 18 for vertical sliding movement, the second telescopic cylinder 10 is located in the middle position of the support frame 18, and the bottom of the second telescopic cylinder 10 is connected to the bottom plate 17, and the protruding end of the second telescopic cylinder 10 is connected to the bottom of the lifting slider 9.

[0024] In the utility model, a cross plate 11 is provided on the rotating shaft 5, and a plurality of limiting slide grooves 12 are provided on the cross plate 11. The cross plate 11 is a cross-shaped structure as a whole, and the plurality of limiting slide grooves 12 are located at the four sides of the cross-shaped structure. The adjusting sleeve 6 is slidably connected to one end of the rotating shaft 5, and one end of the plurality of movable plates 8 is slidably connected to the limiting slide groove 12. The movable plate 8 is vertically arranged to the cross plate 11, and the tail of the movable plate 8 is slidably connected to the limiting slide groove 12 through a limiting guide plate 19 arranged parallel to the cross plate 11. The outer side of the adjusting sleeve 6 is rotatably connected to the bottom of the movable plate 8 through a plurality of transmission rods 13. The plurality of transmission rods 13 are located at both ends between the adjusting sleeve 6 and the movable plate 8. The plurality of transmission rods 13 are inclined between the adjusting sleeve 6 and the movable plate 8, and the angle formed between the inclined plurality of transmission rods 13 and the rotating shaft 5 is less than 90 degrees.

[0025] In the utility model, an L-shaped support plate 14 is provided on one side of the lifting slider 9, and the support plate 14 is located on the side of the lifting frame 4 away from the cross plate 11. The rotating shaft 5 on the first clamping mechanism 2 is located on the support plate 14 and a driven wheel 20 is provided, and the driven wheel 20 is connected to the driving wheel 22 through a synchronous belt 21, and the driving wheel 22 is connected to the second drive motor 23, and the second drive motor 23 is fixed on the support plate 14. The first telescopic cylinder 7 is fixed on one side of the support plate 14, and the protruding end of the first telescopic cylinder 7 passes through the rotating shaft 5 and is rotatably connected to the other end of the adjusting sleeve 6, and the length of the adjusting sleeve 6 is greater than the length of the rotating shaft 5 located on the side of the cross plate 11 away from the support plate 14.

[0026] In the specific implementation of the utility model, the first drive motor 16 drives the screw slide rail 15 to rotate, thereby driving the second clamping mechanism 3 to move to the side away from the first clamping mechanism 2, so that the spiral bellows can be placed between the first clamping mechanism 2 and the second clamping structure, and the second telescopic cylinder 10 is retracted to reduce the height of the first clamping mechanism 2 and the second clamping mechanism 3, and the two ends of the spiral bellows are respectively sleeved on the movable plate 8 outside the first clamping mechanism 2 and the second clamping mechanism 3, and then the first drive motor 16 drives the second clamping mechanism 3 to move to the side away from the first clamping mechanism 2, so that the spiral bellows can be placed between the first clamping mechanism 2 and the second clamping mechanism 3. The structure 3 moves to a position matching the length of the spiral bellows, and then is retracted by the first telescopic cylinder 7, so that the connected adjustment sleeve 6 moves from one end of the cross plate 11 away from the rotating shaft 5 to one end of the cross plate 11, and the multiple transmission rods 13 are lifted upward, so that the movable plate 8 connected by the multiple transmission rods 13 moves along the multiple limiting slide grooves 12 on the cross plate 11 to the edge position of the cross plate 11, so that the distance between the adjustment sleeve 6 and the movable plate 8 is increased, and the inner side of the spiral bellows is supported and fixed by the four movable plates 8, so as to achieve the clamping of the threaded bellows;

[0027] The height of the first clamping mechanism 2 and the second clamping mechanism 3 is adjusted by the second telescopic cylinder 10 to facilitate the processing of the spiral bellows; and during the processing, the rotating shaft is driven by the driven wheel 20 arranged on the rotating shaft in the first clamping mechanism 2 and the connected synchronous belt 21, the driving wheel 22 and the second driving motor 23, so that the rotating shaft drives the cross plate 11 and the movable plate 8 slidingly connected to the cross plate 11 to rotate, and during the rotation of the movable plate 8, the spiral bellows that is in contact with the movable plate 8 on the inside is turned over.

[0028] The above describes the utility model and its implementation methods, which are not restrictive. The specific implementation method is only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. A clamping mechanism for processing a spiral corrugated pipe, comprising a workbench, a first clamping mechanism and a second clamping mechanism, wherein the first clamping mechanism and the second clamping mechanism have the same structure and are arranged opposite to each other on the workbench, characterized in that: The first clamping mechanism is composed of a lifting frame, a rotating shaft, an adjusting sleeve, a first telescopic cylinder and a plurality of movable plates, wherein the rotating shaft is slidably connected to the lifting frame up and down through a lifting slider, the adjusting sleeve is slidably connected to one end of the rotating shaft, a second telescopic cylinder is connected between the bottom of the lifting slider and the bottom of the lifting frame, a cross plate is provided on the rotating shaft, a plurality of limiting slide grooves are provided on the cross plate, one end of the plurality of movable plates is slidably connected to the limiting slide groove, the outer side of the adjusting sleeve is rotatably connected to the bottom of the movable plate through a plurality of transmission rods, an L-shaped support plate is provided on one side of the lifting slider, the first telescopic cylinder is fixed to one side of the support plate, and the protruding end of the first telescopic cylinder passes through the rotating shaft and is rotatably connected to the other end of the adjusting sleeve, and the bottom of the second clamping mechanism is slidably connected to the workbench through a screw slide rail.

2. The clamping mechanism for spiral corrugated pipe processing according to claim 1, characterized in that: The workbench is in a U-shaped structure as a whole, and the lower end surface of the screw rail passes through the bottom of the workbench. There is a distance between the lower end of the screw rail and the lower end of the workbench, and a first drive motor is arranged at one end of the screw rail.

3. The clamping mechanism for spiral corrugated pipe processing according to claim 1, characterized in that: The lifting frame as a whole is composed of a base plate parallel to the workbench and a vertically arranged support frame, wherein the lifting slider is connected to the support frame for up and down sliding, the second telescopic cylinder is located in the middle position of the support frame, and the bottom of the second telescopic cylinder is connected to the base plate, and the protruding end of the second telescopic cylinder is connected to the bottom of the lifting slider.

4. The clamping mechanism for spiral corrugated pipe processing according to claim 1, characterized in that: The cross plate is a cross-shaped structure as a whole, and the plurality of limit slide grooves are located at the four sides of the cross-shaped structure. The movable plate is arranged perpendicular to the cross plate, and the tail of the movable plate is slidably connected to the limit slide groove through a limit guide plate arranged parallel to the cross plate.

5. The clamping mechanism for processing spiral corrugated pipes according to claim 1, characterized in that: The support plate is located on the side of the lifting frame away from the cross plate. The rotating shaft on the first clamping mechanism is located on the support plate and a driven wheel is provided. The driven wheel is connected to a driving wheel through a synchronous belt. The driving wheel is connected to a second drive motor, and the second drive motor is fixed on the support plate.

6. The clamping mechanism for spiral corrugated pipe processing according to claim 1, characterized in that: The length of the adjustment sleeve is greater than the length of the rotating shaft on the side of the cross plate away from the support plate, the multiple transmission rods are located at both ends between the adjustment sleeve and the movable plate, the multiple transmission rods are inclined between the adjustment sleeve and the movable plate, and the angle formed between the inclined multiple transmission rods and the rotating shaft is less than 90 degrees.

7. The clamping mechanism for processing spiral corrugated pipes according to claim 1, characterized in that: The second clamping mechanism is located at the bottom of the lifting frame and is connected to the lead screw rail through a limit slider, and the middle position of the first clamping mechanism and the second clamping mechanism is on the same vertical plane.

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