Lathe clamping device for pipe fitting machining
Through the inner clamping structure and the motor-driven bidirectional screw system, the movement and deformation of pipe fittings caused by external clamping is solved, and stable clamping and rapid disassembly are achieved, which improves processing accuracy and efficiency.
Patent Information
- Application Number
- CN202422478091.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-10-14
AI Technical Summary
In the prior art, the outer clamping member has a distance from the pipe fitting, which causes the pipe fitting to move or deform during processing, affecting the accuracy and dimensional consistency, and inconvenient to replace the fixture.
The inner clamping method is adopted, and a combined structure of a fixed cylinder, a bidirectional screw, a moving push plate and a wedge block is used to achieve uniform clamping by a wedge block against the inner wall of the pipe, and a stable clamping and rapid disassembly of the pipe is achieved by combining the motor-driven bidirectional screw to achieve stable clamping and rapid disassembly of the pipe.
It realizes stable clamping of pipes during processing, avoids deformation and movement, ensures consistency of size and shape, and improves processing efficiency and convenience of fixture replacement.
Smart Images
Figure CN223198588U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipe fitting processing, in particular to a lathe clamping device for pipe fitting processing. Background Art
[0002] Pipe fitting processing involves converting pipes into fittings of the desired shape and size according to drawings or customer specifications through a series of physical or chemical processes, such as cutting, bending, welding, and surface treatment. These fittings are widely used in a variety of fields, including construction, chemical engineering, shipbuilding, oil and gas, and are key components in connecting pipeline systems. Therefore, pipe fitting processing is a complex and delicate process that requires strict control of quality and process parameters at every stage to ensure the quality and performance of the final product.
[0003] When pipe fittings are processed on a lathe, an external clamping method is usually used to fix the pipe fittings. There is a certain distance between the external clamping parts and the pipe fittings. During processing, since the clamping point is far away from the processing area, the pipe fittings are prone to slight movement or deformation, which affects the processing accuracy. When the external clamping parts clamp the pipe, the clamping force is unevenly distributed, resulting in excessive or insufficient local force on the pipe fittings, which affects the consistency of the processed size and shape. In addition, most clamps are fixed with bolts, and it is more troublesome to replace the pipe. Therefore, a lathe clamping device for pipe fitting processing is provided to solve the above problems. Utility Model Content
[0004] In response to the deficiencies of the prior art, the utility model provides a lathe clamping device for pipe processing, which solves the problem that there is a certain distance between the outer clamping piece and the pipe fitting. During processing, the pipe fitting is prone to slight movement or deformation due to the clamping point being far away from the processing area, thereby affecting the processing accuracy. When the outer clamping piece clamps the pipe, the clamping force is unevenly distributed, resulting in excessive or insufficient local force on the pipe fitting, which affects the consistency of the processed size and shape. In addition, most clamps are fixed with bolts, making it more troublesome to replace the pipe.
[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A lathe clamping device for pipe processing, comprising a workbench, a clamping mechanism provided on the top of the workbench; the clamping mechanism comprising a fixed cylinder, a bidirectional screw, a movable push plate and a wedge block;
[0006] The fixed cylinder is rotatably connected to the top of the workbench, the bidirectional screw is rotatably connected to the inside of the fixed cylinder, the wedge blocks are annularly distributed inside the two ends of the fixed cylinder, the movable push plate is slidably connected to the inside of the fixed cylinder, the movable push plate is threadedly connected to the bidirectional screw, and the end of the movable push plate is against the bottom of the wedge block.
[0007] Preferably, a fixed block is fixedly installed on one side of the top of the workbench, a motor is fixedly installed on the end of the fixed block, and the output shaft of the motor is fixedly connected to the bidirectional screw rod.
[0008] Preferably, the bidirectional screw is rotatably connected to a fixed plate on one side close to the motor, a fixed rod is fixedly installed on the end of the fixed plate, and the other end of the fixed rod is fixedly connected to the end of the fixed cylinder.
[0009] Preferably, the fixing plate and the side wall of the fixing block are movably connected with a fixing block, the internal thread of the fixing block is connected with a fixing bolt, and the bottom of the fixing bolt is against the outer surface of the fixing plate.
[0010] Preferably, the inner walls on both sides of the fixed cylinder are provided with sliding grooves, and sliders are fixedly installed on both sides of the movable push plate. The sliders are slidably connected to the inside of the sliding grooves, and the sliders are used to provide guidance for the movement of the movable push plate.
[0011] Preferably, a torsion spring is movably provided inside the wedge block, one end of the torsion spring is fixedly connected to the wedge block, and the other end of the torsion spring is fixedly connected to the fixed cylinder, and the torsion spring is used to retract the wedge block into the interior of the fixed cylinder.
[0012] The utility model discloses a lathe clamping device for pipe processing, which has the following beneficial effects: the device realizes internal clamping of the pipe through the clamping mechanism, and transmits the clamping force evenly into the pipe through the internal clamping, making it more stable during processing, without deformation or movement, and the force transmission is uniform, ensuring the consistency of its size and shape during processing, and through the use of wedge blocks and movable push plates, the pipe can be quickly disassembled, the processing efficiency is improved, and the needs of users are met. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0014] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the interior of the utility model;
[0016] Figure 3 This is a schematic diagram of the use of the fixing plate of the utility model;
[0017] Figure 4This is a schematic diagram of a wedge-shaped block of the present invention.
[0018] In the figure: 1. Workbench; 2. Clamping mechanism; 201. Fixed cylinder; 202. Bidirectional screw; 203. Moving push plate; 204. Wedge block; 205. Fixed plate; 206. Fixed block; 207. Fixed rod; 208. Fixed block; 209. Fixed bolt; 210. Motor; 211. Slide; 212. Slider; 213. Torsion spring. DETAILED DESCRIPTION
[0019] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments 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 any creative efforts are within the scope of protection of the present invention.
[0020] The embodiment of the present application provides a lathe clamping device for pipe processing, which solves the problem that there is a certain distance between the external clamping part and the pipe fitting. During processing, the pipe fitting is prone to slight movement or deformation due to the clamping point being far away from the processing area, thereby affecting the processing accuracy. When the external clamping part clamps the pipe, the clamping force is unevenly distributed, resulting in excessive or insufficient local force on the pipe fitting, which affects the consistency of the processed size and shape. In addition, most clamps are fixed with bolts, making it troublesome to replace the pipe.
[0021] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.
[0022] The embodiment of the utility model discloses a lathe clamping device for pipe processing.
[0023] According to the attached Figure 1-4 As shown, it includes a workbench 1, and a clamping mechanism 2 is provided on the top of the workbench 1; the clamping mechanism 2 includes a fixed cylinder 201, a bidirectional screw rod 202, a movable push plate 203 and a wedge block 204;
[0024] When the device is used, the pipe to be processed is put onto the outer surface of the fixed cylinder 201 from the side away from the motor 210, and the motor 210 is started to rotate forward, driving the bidirectional screw rod 202 to rotate, and the two sets of movable push plates 203 slide toward the direction of the central axis. The ends of the movable push plates 203 abut against the bottom of the wedge block 204, so that the wedge block 204 is pushed out of the fixed cylinder 201, so that the arc surface of the wedge block 204 abuts against the inner wall of the pipe, completing the fixation of the pipe, and the fixing bolts 209 on the fixing block 208 are unscrewed, and the fixing block 208 is removed. 08. Start the motor 210, and the bidirectional screw 202 drives the fixed cylinder 201 to rotate together to cooperate with the tool to process the pipe. After the processing is completed, the fixed plate 205 and the fixed block 206 are clamped inside through the fixed clamping block 208, and the bolts are tightened to complete the fixation of the fixed plate 205. The reverse motor 210 causes the movable push plate 203 to slide to a position away from the central axis. The wedge block 204 loses its support and is retracted into the fixed cylinder 201 under the reaction force of the internal torsion spring 213, releasing the clamping of the pipe so that the pipe can be removed.
[0025] The fixed cylinder 201 is rotatably connected to the top of the workbench 1, the bidirectional screw rod 202 is rotatably connected to the inside of the fixed cylinder 201, the wedge blocks 204 are annularly distributed inside the two ends of the fixed cylinder 201, and the movable push plate 203 is slidably connected to the inside of the fixed cylinder 201. The movable push plate 203 is threadedly connected to the bidirectional screw rod 202, and the end of the movable push plate 203 is against the bottom of the wedge block 204.
[0026] A fixed block 206 is fixedly installed on one side of the top of the workbench 1, and a motor 210 is fixedly installed on the end of the fixed block 206. The output shaft of the motor 210 is fixedly connected to the bidirectional screw rod 202. The forward rotation of the motor 210 drives the bidirectional screw rod 202 to rotate forward, so that the movable push plate 203 is closed toward the position of the central axis. The reverse rotation of the motor 210 drives the movable push plate 203 to open in the opposite direction. After the motor 210 pushes the wedge block 204 against the inside of the pipe through the movable push plate 203, it stops rotating, so that the wedge block 204 is always in a pushed-out state during the processing, so that the pipe is firmly clamped.
[0027] The bidirectional screw rod 202 is rotatably connected to a fixed plate 205 on one side close to the motor 210 . A fixed rod 207 is fixedly mounted on the end of the fixed plate 205 . The other end of the fixed rod 207 is fixedly connected to the end of the fixed cylinder 201 .
[0028] The fixing plate 205 and the side wall of the fixing block 206 are movably connected with a fixing block 208, and the internal thread of the fixing block 208 is connected with a fixing bolt 209, and the bottom of the fixing bolt 209 is against the outer surface of the fixing plate 205. By using the fixing block 208 and the fixing bolt 209, the fixing plate 205 and the fixing block 206 are movably connected, so that when the bidirectional screw rod 202 rotates, the fixing cylinder 201 will not rotate together, ensuring that the movable push plate 203 can be combined with the wedge block 204 to complete the clamping purpose. After the pipe is clamped, the fixing block 208 is removed. When the motor 210 is started again, the fixing cylinder 201 will rotate together with the bidirectional screw rod 202, so that the entire clamping mechanism 2 can cooperate with the tool to cut and grind the pipe.
[0029] Slide grooves 211 are provided on the inner walls on both sides of the fixed cylinder 201, and sliders 212 are fixedly installed on both sides of the movable push plate 203. The sliders 212 are slidably connected to the inside of the slide grooves 211. The sliders 212 are used to provide guidance for the movement of the movable push plate 203. Through the combined use of the slide grooves 211 and the sliders 212, the movable push plate 203 can only move in a single direction and will not idle in place with the bidirectional screw rod 202, affecting the normal use of the clamping mechanism 2.
[0030] The wedge block 204 is provided with a torsion spring 213 for internal movement. One end of the torsion spring 213 is fixedly connected to the wedge block 204, and the other end of the torsion spring 213 is fixedly connected to the fixed cylinder 201. The torsion spring 213 is used to retract the wedge block 204 into the interior of the fixed cylinder 201. The torsion spring 213 enables the ejected wedge block 204 to be automatically retracted into the interior of the fixed cylinder 201, and will not get stuck in the pipe or damage itself when removing the pipe, thereby affecting the service life of the clamping mechanism 2.
[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A lathe clamping device for pipe processing, comprising a workbench (1), characterized in that: A clamping mechanism (2) is provided on the top of the workbench (1); the clamping mechanism (2) comprises a fixed cylinder (201), a bidirectional screw rod (202), a movable push plate (203) and a wedge block (204); The fixed cylinder (201) is rotatably connected to the top of the workbench (1), the bidirectional screw rod (202) is rotatably connected to the inside of the fixed cylinder (201), the wedge blocks (204) are annularly distributed inside the two ends of the fixed cylinder (201), and the movable push plate (203) is slidably connected to the inside of the fixed cylinder (201). The movable push plate (203) is threadedly connected to the bidirectional screw rod (202), and the end of the movable push plate (203) is against the bottom of the wedge block (204).
2. A lathe clamping device for pipe processing according to claim 1, characterized in that: A fixed block (206) is fixedly mounted on one side of the top of the workbench (1), a motor (210) is fixedly mounted on the end of the fixed block (206), and an output shaft of the motor (210) is fixedly connected to the bidirectional screw rod (202).
3. The lathe clamping device for pipe processing according to claim 1, characterized in that: The bidirectional screw rod (202) is rotatably connected to a fixed plate (205) on one side close to the motor (210), a fixed rod (207) is fixedly mounted on the end of the fixed plate (205), and the other end of the fixed rod (207) is fixedly connected to the end of the fixed cylinder (201).
4. A lathe clamping device for pipe processing according to claim 3, characterized in that: The fixing plate (205) and the side wall of the fixing block (206) are movably connected with a fixing block (208), the internal thread of the fixing block (208) is connected with a fixing bolt (209), and the bottom of the fixing bolt (209) is against the outer surface of the fixing plate (205).
5. The lathe clamping device for pipe processing according to claim 1, characterized in that: Slide grooves (211) are provided on the inner walls of both sides of the fixed cylinder (201), and sliders (212) are fixedly installed on both sides of the movable push plate (203). The sliders (212) are slidably connected to the inside of the slide grooves (211), and the sliders (212) are used to provide guidance for the movement of the movable push plate (203).
6. The lathe clamping device for pipe processing according to claim 1, characterized in that: A torsion spring (213) is movably provided inside the wedge block (204), one end of the torsion spring (213) is fixedly connected to the wedge block (204), and the other end of the torsion spring (213) is fixedly connected to the fixed cylinder (201), and the torsion spring (213) is used to retract the wedge block (204) into the interior of the fixed cylinder (201).