Adjustable pipe diameter auxiliary clamping mechanism for pipe bending machine

Abstract

The application relates to the technical field of automobile pipe bending processing, in particular to an adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine, which comprises a heating cylinder, a bearing seat, a plurality of clamping blocks and a driving assembly; the bearing seat is coaxially arranged at the end of the heating cylinder; a guide sliding cavity is arranged on the bearing seat; a profiled notch is arranged on the clamping block, and a plurality of profiled notches enclose a clamping hole; the driving assembly comprises a driving column, a reset piece and a driving piece; the driving column is slidably connected to the bearing seat, one end of the driving column extending into the guide sliding cavity abuts against one side of the clamping block away from the profiled notch, and the other end of the driving column extends out of the bearing seat; the reset piece is arranged on the clamping block; the driving piece is arranged on the bearing seat, and the driving piece is used for driving the driving column to slide; the clamping blocks can form the clamping hole for the pipeline to pass through, and the automobile pipeline of different diameters can be conveniently clamped and limited, so that the automobile pipeline is prevented from deflecting when the front end bending assembly bends the pipeline, and the processing quality of the automobile pipeline is improved.

Description

Technical Field

[0001] This application relates to the field of automotive pipe bending technology, and in particular to an adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine. Background Technology

[0002] Automotive piping bending refers to bending metal pipes in a car using specific processes to make them conform to the design and assembly requirements of the car. The bent automotive piping can adapt to the complex spatial layout inside the car and is widely used in many fields such as body structure, chassis structure, exhaust system, fuel system, cooling system and electrical system.

[0003] The prior art discloses an automotive pipe bending machine, which includes a frame and three sets of pipe bending assemblies vertically arranged on the frame. The three sets of pipe bending assemblies are a main pressure roller mechanism and two side pressure roller mechanisms on both sides. The side pressure roller mechanisms are movably connected to the frame via a slide plate. The main pressure roller mechanism consists of a main pressure roller and a main drive device that controls the up and down movement of the main pressure roller. The main pressure roller is movably connected to the frame. The side pressure roller mechanism consists of a side pressure roller and a side drive device that controls the up and down movement of the side pressure roller. The side pressure roller is movably connected to the slide plate. The side drive device is mounted on the slide plate. A positioning and locking element is provided between the slide plate and the frame. The frame is equipped with a drive device that drives the side pressure roller to rotate. The drive device is connected to the side pressure roller through a transmission mechanism. The frame is also equipped with a compensation drive device that drives the main pressure roller to rotate.

[0004] When the above-mentioned bending structure consisting of the main pressure roller and two sets of side pressure rollers is used to bend automotive pipes, the automotive pipe material will lose the positional constraint of the current roll when it is processed to the rear section of the current roll. This will cause the already bent part at the front end to deflect under the action of gravity, affecting the processing quality of the automotive pipe. Summary of the Invention

[0005] To improve the processing quality of automotive piping, this application provides an adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine.

[0006] This application provides an adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine, which adopts the following technical solution: An adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine includes a heating cylinder, a support base, multiple clamping blocks, and a drive assembly for driving the movement of each clamping block. The support is hollow and is coaxially mounted to the end of the heating cylinder; The support seat is provided with a guide cavity for the sliding of the clamping block; Multiple clamping blocks are evenly distributed along the circumferential direction of the heating cylinder, and each clamping block has a contoured notch, which together form a clamping hole. The drive assembly includes a drive column, a reset component, and a drive component; The drive column is slidably connected to the support seat, and the drive column is arranged along the radial direction of the support seat. One end of the drive column extends into the guide cavity and abuts against the side of the clamping block away from the contour notch, while the other end extends out of the support seat. The reset member is mounted on the clamping block, and the reset member drives the clamping block to move away from the clamping hole. The drive component is mounted on the support base, and the drive component is used to drive the drive column to slide.

[0007] By adopting the above technical solution, the automotive pipe passes through the clamping holes formed by the contoured notches on multiple clamping blocks. When clamping the automotive pipe, the driving component is adjusted, and the driving component applies force to the driving column, causing the driving column to slide towards the automotive pipe. While the driving column slides, it applies force to the clamping blocks, reducing the diameter of the clamping holes until the clamping blocks clamp and fix the automotive pipe, thus maintaining the stability of the automotive pipe's position during bending. The designed auxiliary clamping mechanism for the pipe bending machine can form clamping holes for the pipe to pass through through multiple clamping blocks. At the same time, it facilitates the limiting clamping of automotive pipes of different diameters, thereby enabling the bending operation of the automotive pipe. The driving component allows the driving column to slide, and each clamping block is individually controlled and driven by the driving component and the driving column, which also reduces the risk of the clamping blocks getting stuck during the driving process. The driving column can cooperate with the driving component to apply force to the clamping blocks, thereby causing multiple clamping blocks to move closer together to restrict the position of the automotive pipe. This prevents the automotive pipe from deflecting when bending the pipe at the front bending assembly, thus improving the processing quality of the automotive pipe.

[0008] Optionally, four clamping blocks are provided, and the four clamping blocks are evenly distributed along the circumferential direction of the support.

[0009] By adopting the above technical solution, the designed four clamping blocks facilitate the clamping of automotive pipes of different diameters, while improving the efficiency of disassembling and assembling automotive pipes.

[0010] Optionally, the support includes a mounting portion and a cover portion coaxially arranged, the guide cavity is located between the mounting portion and the cover portion, and the guide cavity is arranged in a ring shape, and the mounting portion and the cover portion are fixedly and detachably connected.

[0011] By adopting the above technical solution, the separate mounting part and cover plate part are easy to disassemble and fix, which in turn facilitates the disassembly and assembly of the clamping block, and enables the maintenance and replacement of the clamping block.

[0012] Optionally, the reset component includes a compression spring, and two adjacent clamping blocks are provided with receiving holes on one side close to each other. One end of the compression spring extends into the receiving hole of the clamping block, and the other end extends into the receiving hole of the adjacent clamping block.

[0013] By adopting the above technical solution, the designed reset component facilitates the clamping of the automotive pipeline in conjunction with the clamping block. At the same time, it facilitates the reset action of the clamping block, ensuring that the clamping block does not interfere with the automotive pipeline during the installation and disassembly process.

[0014] Optionally, each clamping block is provided with multiple guide grooves, and the top wall of the mounting part is provided with a guide post that can slide along the guide groove, and the guide post is located in the guide cavity.

[0015] By adopting the above technical solution, the designed guide groove and guide post facilitate the guidance of the clamping block in conjunction with the support seat, so as to realize the directional movement of the clamping block.

[0016] Optionally, the drive column includes a force-receiving section and an execution section coaxially arranged. Both the force-receiving section and the execution section are slidably connected to the support seat. One end of the force-receiving section is connected to the drive member, and one end of the execution section abuts against the clamping block. The outer diameter of the force-receiving section is larger than the outer diameter of the execution section, and a spring is sleeved on the execution section.

[0017] By adopting the above technical solution, the segmented design of the force-bearing section and the execution section facilitates the reset of the drive column in conjunction with the spring.

[0018] Optionally, the driving component includes a fixed base, a force-applying lever, and a driving cylinder; The fixed base is fixedly connected to the outer wall of the support base; The force-applying lever is rotatably connected to the fixed base, and one end of the force-applying lever abuts against the end of the drive column away from the clamping block; The drive cylinder is connected to the end of the force-applying lever away from the drive column, and the piston rod of the drive cylinder can abut against the support seat.

[0019] By adopting the above technical solution, the designed drive component can realize the rotation of the force-applying lever through the fixed seat, and provide a distance between the force-applying lever and the outer periphery of the support seat. Through the cooperation of the drive cylinder and the force-applying lever, the drive column can be slid, thereby realizing the sliding of the clamping block.

[0020] Optionally, the clamping block includes an integrally connected sliding part and a clamping part, the sliding part sliding along the receiving hole, the clamping part being located at one end of the sliding part near the clamping hole, and the thickness of the clamping part being greater than the thickness of the sliding part.

[0021] By adopting the above technical solution, the segmented design of the clamping block increases the contact area between the clamping block and the vehicle pipe when clamping the vehicle pipe, thereby achieving a balance between clamping stability and clamping pressure, and reducing the possibility of damage to the softened vehicle pipe.

[0022] In summary, this application includes at least one of the following beneficial technical effects: 1. The designed pipe bending machine uses an adjustable pipe diameter auxiliary clamping mechanism. Multiple clamping blocks form clamping holes for pipes to pass through, facilitating the clamping and positioning of automotive pipes of different diameters, thus enabling pipe bending operations. A drive column slides via a drive component, and each clamping block is individually controlled by the drive component and drive column, reducing the risk of jamming during operation. The drive column, in conjunction with the drive component, applies force to the clamping blocks, causing them to move closer together to restrict the position of the automotive pipe. This prevents pipe deflection during bending at the front bending assembly, ensuring the forming quality of the automotive pipe. Furthermore, the proximity and separation between adjacent clamping blocks creates a gap, facilitating heat transfer from the heating cylinder to the extension of the automotive pipe beyond the support, further aiding in bending operations. 2. The designed pipe bending machine uses an adjustable pipe diameter auxiliary clamping mechanism. Four clamping blocks facilitate clamping of automotive pipes of different diameters, while improving the efficiency of automotive pipe installation and disassembly. The reset component facilitates the clamping of automotive pipes in conjunction with the clamping blocks and also facilitates the reset action of the clamping blocks, ensuring that the clamping blocks do not interfere with the automotive pipes during installation and disassembly. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the auxiliary clamping mechanism for the adjustable pipe diameter pipe bending machine in Embodiment 1 of this application; Figure 2 This is a longitudinal sectional view of the adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine according to Embodiment 1 of this application; Figure 3 yes Figure 2 Enlarged schematic diagram of part A; Figure 4 This is a transverse sectional view of the adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine according to Embodiment 1 of this application; Figure 5 yes Figure 4 Enlarged schematic diagram of part B.

[0024] Explanation of reference numerals in the attached drawings: 1. Heating cylinder; 2. Support seat; 21. Cover plate; 22. Mounting part; 23. Guide slide cavity; 3. Clamping block; 31. Sliding part; 32. Clamping part; 33. Contouring notch; 4. Drive assembly; 41. Drive column; 411. Actuation section; 412. Force-receiving section; 42. Reset part; 421. Compression spring; 422. Receiving hole; 43. Drive component; 431. Drive cylinder; 432. Force-applying lever; 433. Fixed seat; 44. Spring; 45. Guide groove; 46. Guide column; 5. Clamping hole. Detailed Implementation

[0025] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0026] This application discloses an auxiliary clamping mechanism for an adjustable pipe diameter pipe bending machine.

[0027] Reference Figure 1 and Figure 2 An adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine includes a heating cylinder 1, a support 2, multiple clamping blocks 3, and multiple drive components 4. The multiple clamping blocks 3 are evenly distributed along the circumferential direction of the heating cylinder 1. In this application, the clamping blocks 3 can be three, four, or six, as long as they achieve the limiting clamping of automotive pipes. In this embodiment, four clamping blocks 3 are used, and the four clamping blocks 3 are evenly distributed along the circumferential direction of the support 2. Furthermore, referring to… Figure 3 The clamping block 3 has a contoured notch 33, and multiple contoured notches 33 form a clamping hole 5, so as to limit and clamp the automobile pipe through the clamping hole 5; in addition, the clamping block 3 and the drive component 4 are distributed in the same position and have the same number, and the drive component 4 is used to drive the clamping block 3 to move towards the side of the automobile pipe.

[0028] Reference Figure 2 and Figure 3 The support 2 is hollow and includes a mounting part 22 and a cover plate part 21 arranged coaxially. The mounting part 22 and the cover plate part 21 are fixedly and detachably connected. In this embodiment, the mounting part 22 and the cover plate part 21 are bolted together. The support 2 is coaxially mounted on the upper end of the heating cylinder 1. In this embodiment, the support 2 and the heating cylinder 1 are sealed together. The support 2 has a guide cavity 23 for sliding the clamping block 3. The guide cavity 23 is located between the mounting part 22 and the cover plate part 21 and is arranged in a ring shape.

[0029] Reference Figure 3 , Figure 4 and Figure 5The clamping block 3 includes an integrally connected sliding part 31 and a clamping part 32. The sliding part 31 slides along the receiving hole 422, and the clamping part 32 is located at the end of the sliding part 31 near the clamping hole 5. The thickness of the clamping part 32 is greater than the thickness of the sliding part 31, so as to increase the contact area between the clamping block 3 and the vehicle pipe. In addition, each clamping block 3 is provided with a plurality of guide grooves 45. The top wall of the mounting part 22 is provided with a guide post 46 that can slide along the guide grooves 45. In this application, there can be two, three or four guide grooves 45, as long as the guide sliding of the clamping block 3 is realized. In this embodiment, each clamping block 3 is provided with two guide grooves 45. The guide grooves 45 are arranged along the sliding direction of the clamping block 3, and the guide post 46 is located in the guide sliding cavity 23.

[0030] Reference Figure 4 and Figure 5 The drive assembly 4 includes a drive column 41, a reset member 42, and a drive member 43. The drive column 41 is slidably connected to the support 2 and is arranged along the radial direction of the support 2. One end of the drive column 41 extends into the guide cavity 23 and abuts against the side of the clamping block 3 away from the contour notch 33, while the other end extends out of the support 2. The drive column 41 includes a force-receiving section 412 and an execution section 411 arranged coaxially. In this embodiment, the force-receiving section 412 and the execution section 411 are integrally connected and slidably connected to the support 2. One end of the force-receiving section 412 is connected to the drive member 43, and one end of the execution section 411 abuts against the clamping block 3. The outer diameter of the force-receiving section 412 is larger than the outer diameter of the execution section 411. A spring 44 is sleeved on the execution section 411, and the spring 44 drives the force-receiving section 412 to move away from the clamping hole 5. The reset member 42 is installed on the clamping block 3, and the reset member... 42 drives the clamping block 3 to move away from the clamping hole 5. The reset member 42 includes a compression spring 421. Adjacent clamping blocks 3 are provided with receiving holes 422 on the side close to each other. One end of the compression spring 421 extends into the receiving hole 422 of the clamping block 3, and the other end extends into the receiving hole 422 of the adjacent clamping block 3. In this embodiment, the compression spring 421 is fixedly engaged with the clamping block 3. The driving member 43 is installed on the support 2 and is used to drive the driving column 41 to slide. The driving member 43 includes a fixed seat 433, a force lever 432 and a driving cylinder 431. The fixed seat 433 is fixedly connected to the outer wall of the support 2. The force lever 432 is rotatably connected to the fixed seat 433, and one end of the force lever 432 abuts against the end of the driving column 41 away from the clamping block 3. The driving cylinder 431 is connected to the end of the force lever 432 away from the driving column 41, and the piston rod of the driving cylinder 431 can abut against the support 2.

[0031] The implementation principle of the adjustable pipe diameter auxiliary clamping mechanism for the pipe bending machine in this application embodiment is as follows: When the automobile pipe is passed through the clamping hole 5 formed by the contour notch 33 on multiple clamping blocks 3, and the automobile pipe needs to be clamped, the piston rod of the drive cylinder 431 is extended by adjusting the drive cylinder 431, and the piston rod of the drive cylinder 431 abuts against the support seat 2, thereby increasing the distance between the cylinder body of the drive cylinder 431 and the support seat 2. The drive cylinder 431 drives the force lever 432 to rotate, and the force lever 432 applies force to the drive column 41, causing the drive column 41 to slide towards the side of the automobile pipe. While the drive column 41 slides, it applies force to the clamping block 3, thereby reducing the diameter of the clamping hole 5 until the clamping block 3 clamps and fixes the automobile pipe, thereby keeping the position of the automobile pipe stable during the bending process.

[0032] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine, characterized in that: It includes a heating cylinder (1), a support base (2), multiple clamping blocks (3), and a drive assembly (4) for driving the movement of each of the clamping blocks (3); The support (2) is hollow and is coaxially mounted on the end of the heating cylinder (1); The support (2) is provided with a guide cavity (23) for the sliding of the clamping block (3); Multiple clamping blocks (3) are evenly distributed along the circumferential direction of the heating cylinder (1), and the clamping blocks (3) are provided with contour notches (33), and the multiple contour notches (33) form a clamping hole (5); The drive assembly (4) includes a drive column (41), a reset member (42), and a drive member (43); The drive column (41) is slidably connected to the support seat (2), and the drive column (41) is arranged along the radial direction of the support seat (2). One end of the drive column (41) extends into the guide cavity (23) and abuts against the side of the clamping block (3) away from the contour notch (33), while the other end extends out of the support seat (2). The reset member (42) is mounted on the clamping block (3), and the reset member (42) drives the clamping block (3) to move away from the clamping hole (5); The drive member (43) is mounted on the support (2) and the drive member (43) is used to drive the drive column (41) to slide.

2. The adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine according to claim 1, characterized in that: The clamping blocks (3) are configured as four, and the four clamping blocks (3) are evenly distributed along the circumferential direction of the support (2).

3. The adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine according to claim 1, characterized in that: The support (2) includes a mounting part (22) and a cover plate part (21) arranged coaxially. The guide slide cavity (23) is located between the mounting part (22) and the cover plate part (21) and the guide slide cavity (23) is arranged in a ring shape. The mounting part (22) and the cover plate part (21) are fixedly and detachably connected.

4. The adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine according to claim 3, characterized in that: The reset component (42) includes a compression spring (421). Two adjacent clamping blocks (3) are provided with receiving holes (422) on one side close to each other. One end of the compression spring (421) extends into the receiving hole (422) of the clamping block (3), and the other end extends into the receiving hole (422) of the adjacent clamping block (3).

5. The adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine according to claim 4, characterized in that: Each clamping block (3) is provided with multiple guide grooves (45), and the top wall of the mounting part (22) is provided with a guide post (46) that can slide along the guide groove (45), and the guide post (46) is located in the guide cavity (23).

6. The adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine according to claim 1, characterized in that: The drive column (41) includes a force-receiving section (412) and an execution section (411) arranged coaxially. Both the force-receiving section (412) and the execution section (411) are slidably connected to the support (2). One end of the force-receiving section (412) is connected to the drive member (43), and one end of the execution section (411) abuts against the clamping block (3). The outer diameter of the force-receiving section (412) is larger than the outer diameter of the execution section (411). A spring (44) is sleeved on the execution section (411).

7. The adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine according to claim 1, characterized in that: The drive component (43) includes a fixed base (433), a force-applying lever (432), and a drive cylinder (431); The fixed seat (433) is fixedly connected to the outer wall of the support seat (2); The force-applying lever (432) is rotatably connected to the fixed base (433), and one end of the force-applying lever (432) abuts against the end of the drive column (41) away from the clamping block; The drive cylinder (431) is connected to the end of the force-applying lever (432) away from the drive column (41), and the piston rod of the drive cylinder (431) can abut against the support seat (2).

8. The adjustable pipe diameter auxiliary clamping mechanism for a pipe bending machine according to claim 4, characterized in that: The clamping block (3) includes an integrally connected sliding part (31) and clamping part (32). The sliding part (31) slides along the receiving hole (422). The clamping part (32) is located at one end of the sliding part (31) near the clamping hole (5), and the thickness of the clamping part (32) is greater than the thickness of the sliding part (31).

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