Pipe contracting machine with uniform stress
By using bidirectional screws and arc-shaped clamps in the pipe shrinking machine to clamp the pipe, and using the adjusting motor and rotating motor to drive the conical extrusion column for uniform extrusion, the problem of uneven pressure of the pipe shrinking machine is solved, ensuring the uniform wall thickness of the pipe shrinking mouth part and improving product quality.
Patent Information
- Application Number
- CN202421429071.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-06-21
AI Technical Summary
When existing pipe shrinking machines perform pipe shrinking operations, uneven pressure is prone to occur, resulting in uneven wall thickness of the pipe shrinking parts and affecting product quality.
A pipe shrinking machine with uniform stress was designed, using bidirectional screws and arc-shaped clamping plates to clamp the pipes, and the pipes were uniformly squeezed by adjusting the motor and rotating motor to ensure that the size and speed of the tapered extrusion column are consistent and the force is uniform.
The wall thickness of the pipe shrinking part is ensured to be uniform, and the quality of the final product is improved.
Smart Images
Figure CN223197904U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tube shrinking machines, in particular to a tube shrinking machine with uniform force. Background Art
[0002] A tube shrinking machine is a mechanical device used to reduce the size of tubes. It can reduce the outer diameter of the tube to a specified size to meet the needs of the industrial production process. There are many types of tube shrinking machines, among which the most commonly used is the internal and external rolling tube shrinking machine, which can reduce the outer diameter of the tube to a specified size to meet the needs of the industrial production process.
[0003] However, when shrinking pipes, existing shrinking machines often cause uneven pressure on the pipe surface, resulting in uneven wall thickness at the shrinking end of the pipe, which in turn affects the quality of the final pipe product. Utility Model Content
[0004] The purpose of the present invention is to provide a tube shrinking machine with uniform force, so as to solve at least any one of the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tube shrinking machine with uniform force, comprising a frame plate fixed on the top of a workbench and an adjusting motor, a bidirectional screw rotatably installed in the frame plate, and the top end of the bidirectional screw extends to the top of the frame plate, two connecting plates are threadedly installed on the bidirectional screw, and arc-shaped clamping plates are fixedly installed on the outer walls of the two connecting plates close to each other, an adjusting screw is fixedly installed on the output shaft of the adjusting motor, and one end of the adjusting screw is rotatably connected to the frame plate, a movable plate is threadedly installed on the adjusting screw, the movable plate is slidably connected to the workbench, and the top of the movable plate is fixed An insulated placement barrel is installed, and an annular heating plate is fixedly installed on the inner wall of the insulated placement barrel, and a protective cover is fixedly installed on the outer wall of the insulated placement barrel. Two rotating rods are provided in the protective cover, and the two rotating rods are respectively fixedly sleeved with a slave gear, and one end of the two rotating rods extends into the insulated placement barrel and is rotatably connected to the insulated placement barrel, and one end of the two rotating rods is respectively fixedly installed with a conical extrusion column, and a rotating motor is fixedly installed on the outer wall of the protective cover, and the output shaft of the rotating motor extends into the protective cover, and a moving gear is fixedly sleeved on the output shaft of the rotating motor, and the moving gear is meshed with the two slave gears.
[0006] Preferably, a rotating handle is fixedly mounted on the top end of the bidirectional screw, and an anti-slip sleeve is fixed on the rotating handle.
[0007] Preferably, a limiting groove is provided on the top of the workbench, and the bottom of the movable plate extends into the limiting groove and is slidably connected to the inner wall of the limiting groove.
[0008] Preferably, a limiting rod is fixedly installed in the frame-shaped plate, and the limiting rod passes through the two connecting plates and is slidably connected to the two connecting plates.
[0009] Preferably, the two connecting plates are respectively provided with through holes, and linear bearings are respectively fixedly installed in the two through holes. The limiting rod passes through the two linear bearings and is slidably connected to the inner walls of the linear bearings.
[0010] Preferably, four supporting legs are fixedly installed on the bottom of the workbench, and the bottom ends of the four supporting legs are respectively fixedly covered with anti-slip sleeves.
[0011] Preferably, arc-shaped rubber friction plates are fixedly mounted on the two arc-shaped clamping plates respectively.
[0012] The beneficial effects of the utility model are as follows:
[0013] In the utility model, the pipe is placed between two arc-shaped rubber friction plates, and the arc-shaped rubber friction plates are driven to approach each other by rotating the rotating handle clockwise to clamp and fix the pipe, so that the pipe is kept in a horizontal state. At this time, the center of the pipe and the center of the heat-insulating placement barrel are on the same horizontal plane. The heat-insulating placement barrel is driven to move by adjusting the rotation of the motor, and finally the pipe is brought into contact with the two conical extrusion columns. At the same time, the annular heating plate heats one end of the pipe, and the rotating motor drives the two conical extrusion columns to rotate and extrude the outer wall of the pipe to complete the shrinking operation of the pipe. Since the two conical extrusion columns are of the same size and the rotation speed of the two conical extrusion columns is the same, the extrusion force of the two conical extrusion columns on the pipe is the same, so that the pipe is subjected to uniform force as a whole during the shrinking operation, thereby ensuring that the wall thickness of the shrinking part of the pipe is the same, thereby ensuring the quality of the final product. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A structural schematic diagram of a preferred embodiment of a tube shrinking machine with uniform force provided by the utility model;
[0015] Figure 2 for Figure 1 An enlarged schematic diagram of part A is shown;
[0016] Figure 3 for Figure 1 The assembly diagram of the rotating rod and the slave gear shown;
[0017] Figure 4 for Figure 1 A side view of the frame plate shown;
[0018] Figure 5 This is a three-dimensional diagram of the tube shrinking machine with uniform force provided by the utility model.
[0019] In the figure: 1. Workbench; 2. Frame plate; 3. Bidirectional screw; 4. Connecting plate; 5. Arc-shaped splint; 6. Arc-shaped rubber friction plate; 7. Limit rod; 8. Adjustment motor; 9. Moving plate; 10. Adjustment screw; 11. Limit groove; 12. Insulation placement barrel; 13. Annular heating plate; 14. Conical extrusion column; 15. Rotating rod; 16. Moving gear; 17. Slave gear; 18. Rotating motor; 19. Protective cover. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] The utility model provides Figure 1-5The tube shrinking machine shown in the figure has uniform force, comprises a frame plate 2 fixed on the top of the workbench 1 and an adjusting motor 8. In order to support the workbench 1 and make it more convenient for people to use the device, four supporting legs are fixedly installed on the bottom of the workbench 1, and the bottom ends of the four supporting legs are respectively fixed with anti-slip sleeves. A bidirectional screw 3 is rotatably installed in the frame plate 2, and the top end of the bidirectional screw 3 extends to the top of the frame plate 2. In order to make it more convenient for people to rotate the bidirectional screw 3, a rotating handle is fixedly installed on the top of the bidirectional screw 3, and the rotating handle is fixed with an anti-slip sleeve, which prevents people from rotating the bidirectional screw 3. When the hand slips when the rod 3 is moved, the work efficiency is affected. Two connecting plates 4 are threadedly installed on the bidirectional screw 3. The outer walls of the two connecting plates 4 close to each other are respectively fixed with arc-shaped clamping plates 5. In order to make the arc-shaped clamping plates 5 clamp the pipe more stably, arc-shaped rubber friction plates 6 are respectively fixedly installed on the two arc-shaped clamping plates 5. An adjusting screw 10 is fixedly installed on the output shaft of the adjusting motor 8, and one end of the adjusting screw 10 is rotatably connected to the frame plate 2. A movable plate 9 is threadedly installed on the adjusting screw 10. The movable plate 9 is slidably connected to the workbench 1. In order to limit the movable plate 9, the adjusting screw 10 is rotated to drive The movable plate 9 moves, and a limiting groove 11 is provided on the top of the workbench 1. The bottom of the movable plate 9 extends into the limiting groove 11 and is slidably connected to the inner wall of the limiting groove 11. An insulating bucket 12 is fixedly installed on the top of the movable plate 9, and an annular heating plate 13 is fixedly installed on the inner wall of the insulating bucket 12. A protective cover 19 is fixedly installed on the outer wall of the insulating bucket 12. Two rotating rods 15 are provided in the protective cover 19. The two rotating rods 15 are respectively fixed with a slave gear 17, and one end of the two rotating rods 15 extends into the insulating bucket 12 and is rotatably connected to the insulating bucket 12. One end of the two rotating rods 15 is divided into A conical extrusion column 14 is fixedly installed on the outer wall of the protective cover 19, and a rotating motor 18 is fixedly installed on the outer wall of the protective cover 19. The output shaft of the rotating motor 18 extends into the protective cover 19, and a movable gear 16 is fixedly sleeved on the output shaft of the rotating motor 18, and the movable gear 16 is engaged with two slave gears 17. Since the two conical extrusion columns 14 are of the same size and the rotation speed of the two conical extrusion columns 14 is the same, the extrusion force of the two conical extrusion columns 14 on the pipe is the same, so that the overall force of the pipe is uniform during the shrinking operation, thereby ensuring that the wall thickness of the shrinking part of the pipe is the same, thereby ensuring the quality of the final product.
[0022] In order to limit the connecting plate 4 and thereby rotate the bidirectional screw 3 to drive the connecting plate 4 to move, a limiting rod 7 is fixedly installed in the frame plate 2, and the limiting rod 7 passes through the two connecting plates 4 and is slidably connected to the two connecting plates 4.
[0023] In order to reduce the friction between the limit rod 7 and the connecting plate 4, thereby reducing the wear of the limit rod 7 and increasing the service life of the limit rod 7, through holes are respectively opened on the two connecting plates 4, and linear bearings are fixedly installed in the two through holes. The limit rod 7 passes through the two linear bearings and is slidably connected to the inner wall of the linear bearing.
[0024] The working principle of the pipe shrinking machine with uniform force provided by the present invention is as follows: when people need to shrink the pipe, put the pipe between the two arc-shaped rubber friction plates 6, turn the rotating handle clockwise, and the rotation of the rotating handle drives the bidirectional screw 3 to rotate, and the rotation of the bidirectional screw 3 drives the two connecting plates 4 to move closer to each other, and the two connecting plates 4 move closer to each other to drive the arc-shaped rubber friction plates 6 to move closer to each other to clamp and fix the pipe, so that the pipe remains in a horizontal state. At this time, the center of the pipe and the center of the heat-insulating placement barrel 12 are on the same horizontal plane, and the adjusting motor 8 is started, and the adjusting motor 8 rotates to drive the adjusting screw 10 to rotate, and the adjusting screw 10 rotates to drive the moving plate 9 to move, and the moving plate 9 moves to drive the heat-insulating placement barrel 12 to move, so that one end of the pipe enters the heat-insulating placement barrel 12, and finally the pipe is connected with the two conical extrusion columns 14. Touch, at the same time, the annular heating plate 13 heats one end of the pipe, and the rotating motor 18 is started. The rotating motor 18 rotates to drive the moving gear 16 to rotate, and the moving gear 16 rotates to drive the slave gear 17 to rotate. The slave gear 17 rotates to drive the rotating rod 15 to rotate, and the rotating rod 15 rotates to drive the two conical extrusion columns 14 to rotate to extrude the outer wall of the pipe, thereby completing the pipe necking operation. Since the device drives the two conical extrusion columns 14 to rotate by a rotating motor 18, the rotation speed of the two conical extrusion columns 14 is the same. At the same time, since the two conical extrusion columns 14 are the same size, the extrusion force of the two conical extrusion columns 14 on the pipe is the same, so that the overall force of the pipe is uniform during the necking operation, thereby ensuring that the wall thickness of the necked part of the pipe is the same, thereby ensuring the quality of the final product.
[0025] Compared with the related art, the uniformly stressed tube shrinking machine provided by the present invention has the following beneficial effects:
[0026] The utility model provides a pipe shrinking machine with uniform force, which puts the pipe between two arc-shaped rubber friction plates 6, and drives the arc-shaped rubber friction plates 6 to approach each other by rotating the rotating handle clockwise to clamp and fix the pipe, so that the pipe is kept in a horizontal state. At this moment, the center of the pipe and the center of the heat-insulating placement barrel 12 are on the same horizontal plane, and the heat-insulating placement barrel 12 is driven to move by adjusting the motor 8, so that the pipe is finally brought into contact with the two conical extrusion columns 14, and at the same time the annular heating plate 13 heats one end of the pipe, and the rotating motor 18 drives the two conical extrusion columns 14 to rotate and extrude the outer wall of the pipe to complete the shrinking operation of the pipe. Since the two conical extrusion columns 14 are of the same size and the rotation speeds of the two conical extrusion columns 14 are the same, the extrusion forces of the two conical extrusion columns 14 on the pipe are the same, so that the pipe is subjected to uniform force as a whole during the shrinking operation, thereby ensuring that the wall thickness of the shrinking part of the pipe is the same, thereby ensuring the quality of the final product.
[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A tube shrinking machine with uniform force, comprising a frame plate fixed on the top of a workbench and an adjusting motor, characterized in that: A bidirectional screw is rotatably installed in the frame plate, and the top of the bidirectional screw extends to the top of the frame plate, and two connecting plates are threadedly installed on the bidirectional screw, and arc clamping plates are fixedly installed on the outer walls of the two connecting plates close to each other. An adjusting screw is fixedly installed on the output shaft of the adjusting motor, and one end of the adjusting screw is rotatably connected to the frame plate, and a movable plate is threadedly installed on the adjusting screw, and the movable plate is slidably connected to the workbench, and an insulating placement barrel is fixedly installed on the top of the movable plate, and an annular A heating plate, a protective cover is fixedly installed on the outer wall of the heat-insulating placement barrel, two rotating rods are arranged in the protective cover, and the two rotating rods are respectively fixedly sleeved with a slave gear, and one end of the two rotating rods extends into the heat-insulating placement barrel and is rotatably connected to the heat-insulating placement barrel, one end of the two rotating rods is respectively fixedly installed with a conical extrusion column, a rotating motor is fixedly installed on the outer wall of the protective cover, the output shaft of the rotating motor extends into the protective cover, and a moving gear is fixedly sleeved on the output shaft of the rotating motor, and the moving gear is meshed with the two slave gears.
2. The tube shrinking machine with uniform force according to claim 1, characterized in that: A rotating handle is fixedly installed on the top end of the bidirectional screw, and an anti-slip sleeve is fixed on the rotating handle.
3. The tube shrinking machine with uniform force according to claim 1, characterized in that: A limiting groove is provided on the top of the workbench, and the bottom of the movable plate extends into the limiting groove and is slidably connected to the inner wall of the limiting groove.
4. The tube shrinking machine with uniform force according to claim 1, characterized in that: A limiting rod is fixedly installed in the frame-shaped plate, and the limiting rod passes through the two connecting plates and is slidably connected to the two connecting plates.
5. The tube shrinking machine with uniform force according to claim 4, characterized in that: The two connecting plates are respectively provided with through holes, and linear bearings are respectively fixedly installed in the two through holes. The limiting rod passes through the two linear bearings and is slidably connected to the inner wall of the linear bearing.
6. The tube shrinking machine with uniform force according to claim 1, characterized in that: Four supporting legs are fixedly installed on the bottom of the workbench, and the bottom ends of the four supporting legs are respectively fixedly covered with anti-slip sleeves.
7. The tube shrinking machine with uniform force according to claim 1, characterized in that: Arc-shaped rubber friction plates are respectively fixedly mounted on the two arc-shaped clamping plates.