CN222133095U - A clamping mechanism for a pipe bending machine - Google Patents
A clamping mechanism for a pipe bending machine Download PDFInfo
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- CN222133095U CN222133095U CN202420893622.0U CN202420893622U CN222133095U CN 222133095 U CN222133095 U CN 222133095U CN 202420893622 U CN202420893622 U CN 202420893622U CN 222133095 U CN222133095 U CN 222133095U
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- frame
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- block
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Abstract
本实用新型公开了一种弯管机夹持机构，包括机架、液压气缸、伸缩杆、夹头、连接杆、支撑块、辅助固定结构，所述机架呈回字型结构，所述机架的上方中部设置有液压气缸，所述液压气缸的输出端贯穿机架连接有伸缩杆，所述伸缩杆的末端连接有夹头，所述机架的下方内壁中部设置有连接杆，所述连接杆的上方设置有支撑块，所述支撑块与夹头相垂直，所述机架的两侧对称设置有辅助固定结构，所述辅助固定结构包括转动杆、第一转动头、辅助固定块，所述转动杆的一端连接有第一转动头，所述转动杆的另一端贯穿机架连接有辅助固定块，本实用新型能够对管材外壁进行全方位夹紧固定，避免在折弯过程中发生偏移的情况，且夹头损坏时能够实现快速拆卸更换。
The utility model discloses a pipe bending machine clamping mechanism, comprising a frame, a hydraulic cylinder, a telescopic rod, a chuck, a connecting rod, a support block, and an auxiliary fixing structure, the frame is in a U-shaped structure, a hydraulic cylinder is arranged at the upper middle part of the frame, the output end of the hydraulic cylinder passes through the frame and is connected to the telescopic rod, the end of the telescopic rod is connected to the chuck, a connecting rod is arranged at the middle part of the lower inner wall of the frame, a support block is arranged above the connecting rod, the support block is perpendicular to the chuck, and auxiliary fixing structures are symmetrically arranged on both sides of the frame, the auxiliary fixing structure comprises a rotating rod, a first rotating head, and an auxiliary fixing block, one end of the rotating rod is connected to the first rotating head, and the other end of the rotating rod passes through the frame and is connected to the auxiliary fixing block. The utility model can clamp and fix the outer wall of the pipe in all directions to avoid deviation during the bending process, and can realize rapid disassembly and replacement when the chuck is damaged.
Description
[ Field of technology ]
The utility model relates to the technical field of pipe bending machines, in particular to the technical field of clamping mechanisms of pipe bending machines.
[ Background Art ]
The pipe bender is used for bending metal pipes with different diameters and different bending radiuses, the main components of the pipe bender comprise a clamping mechanism, a manipulator, a die and the like, the metal pipes with different diameters can be precisely bent by using the components, the pipe bender is used for machining in various places in automobiles, such as exhaust pipes, oil pipes and the like, the pipe bender can precisely bend the pipes, so that the pipe bender meets the design requirements of the automobiles, and meanwhile, the performance and the durability of the automobiles are improved.
For solving the problem in the background art, as disclosed in publication number CN215845322U, a pipe bender fixture is disclosed, through the cooperation of sliding of ejector pad and two sliding blocks, make two clamping blocks slide towards the direction that is close to each other or keeps away from each other, until the centre gripping space between two clamping blocks is slightly greater than the external diameter of pipe fitting, pass the feed port with the pipe fitting again and place between two clamping blocks, restart the cylinder, make two clamping blocks slide towards the direction that is close to each other under the drive of cylinder, until two clamping blocks press from both sides the pipe fitting tightly fixed, alright bend the process to the pipe fitting, one side that two clamping blocks are close to each other is < the shape, make it can be adapted to the pipe fitting of various different specification sizes and press from both sides tightly, but this structure still has following not enough:
1. Because tubular product is circular structure, therefore can't press from both sides tightly fixedly to tubular product all-round through two grip blocks in this structure, the condition of skew takes place easily in bending process.
2. Clamping blocks in the structure are inconvenient to replace, so that the clamping blocks cannot be quickly disassembled and replaced when damaged, and the working progress is slow.
[ utility model ]
The utility model aims to solve the problems in the prior art, and provides a clamping mechanism of a pipe bender, which can clamp and fix the outer wall of a pipe in all directions, avoid the condition of deflection in the bending process, and realize quick disassembly and replacement when a clamping head is damaged.
In order to achieve the above purpose, the utility model provides a clamping mechanism of a pipe bending machine, which comprises a frame, a hydraulic cylinder, a telescopic rod, a clamping head, a connecting rod, a supporting block and an auxiliary fixing structure, wherein the frame is of a back-shaped structure, the middle part of the upper part of the frame is provided with the hydraulic cylinder, the output end of the hydraulic cylinder penetrates through the frame to be connected with the telescopic rod, the tail end of the telescopic rod is connected with the clamping head, the middle part of the inner wall below the frame is provided with the connecting rod, the supporting block is arranged above the connecting rod, the supporting block is perpendicular to the clamping head, and the two sides of the frame are symmetrically provided with the auxiliary fixing structure.
Preferably, the auxiliary fixing structure comprises a rotating rod, a first rotating head and an auxiliary fixing block, wherein one end of the rotating rod is connected with the first rotating head, and the other end of the rotating rod penetrates through the rack to be connected with the auxiliary fixing block.
Preferably, the inner side surfaces of the clamping head, the supporting block and the auxiliary fixing block face the center of the frame, and arc-shaped grooves are formed in the inner side surfaces of the clamping head, the supporting block and the auxiliary fixing block.
Preferably, a round block is arranged at the tail end of the telescopic rod, and a round hole is formed in the middle of the round block.
Preferably, a hole is formed in the middle of the upper portion of the chuck, and the size of the hole is matched with that of the round block.
Preferably, the screw hole has been seted up to the lateral wall of chuck, threaded rod has been installed through the screw hole demountable installation to the inside of chuck, the one end of threaded rod outwards extends and is connected with the second and rotates the head, the other end of threaded rod outwards extends and is equipped with lock nut, and the size of threaded rod and the looks adaptation of round hole size.
The utility model has the beneficial effects that:
1. According to the utility model, the outer wall of the pipe can be clamped and fixed in all directions under the matching action of the clamping head, the supporting block and the auxiliary fixing structure, when the bent pipe is stably placed in the arc-shaped groove on the supporting block, the hydraulic cylinder is controlled by an external power supply, the hydraulic cylinder drives the telescopic rod to descend, the telescopic rod drives the clamping head to descend until the telescopic rod contacts with the upper part of the outer wall of the pipe, then the first rotating head is rotated, the first rotating head drives the rotating rod to rotate, and the rotating rod drives the auxiliary fixing block to move until the auxiliary fixing block is attached to two sides of the outer wall of the pipe, so that the outer wall of the pipe is clamped and fixed in all directions, the phenomenon of deflection in the bending process can be avoided, the telescopic pipe is suitable for pipes of different specifications, the practicability is strong, the working efficiency is improved, and the problem that the two clamping blocks cannot clamp the pipe in all directions and deflection easily occurs is solved.
2. According to the utility model, under the matching action of the circular block, the circular hole, the threaded rod, the second rotating head and the locking nut, the quick disassembly and replacement can be realized when the clamping head is damaged, the locking nut is rotated to be taken out from the threaded rod, then the second rotating head is rotated to take out the threaded rod from the clamping head, so that the clamping head is separated from the telescopic rod, and the quick disassembly is realized.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
[ Description of the drawings ]
FIG. 1 is a perspective view of a clamping mechanism of a pipe bender according to the present utility model;
FIG. 2 is a plan view of a clamping mechanism of the pipe bender of the present utility model;
FIG. 3 is a schematic view of a telescopic rod and a chuck of a clamping mechanism of the pipe bender according to the present utility model;
In the figure, a 1-frame, a 2-hydraulic cylinder, a 3-telescopic rod, a 4-chuck, a 5-connecting rod, a 6-supporting block, a 7-auxiliary fixing structure, a 71-rotating rod, a 72-first rotating head, a 73-auxiliary fixing block, an 8-arc-shaped groove, a 9-round block, a 10-round hole, a 11-hole, a 12-threaded hole, a 13-threaded rod, a 14-second rotating head and a 15-locking nut are arranged.
[ Detailed description ] of the invention
Referring to fig. 1, the clamping mechanism of the pipe bender comprises a frame 1, a hydraulic cylinder 2, a telescopic rod 3, a clamping head 4, a connecting rod 5, a supporting block 6 and an auxiliary fixing structure 7, wherein the frame 1 is of a back-shaped structure, the middle part of the upper part of the frame 1 is provided with the hydraulic cylinder 2, the output end of the hydraulic cylinder 2 penetrates through the frame 1 to be connected with the telescopic rod 3, the tail end of the telescopic rod 3 is connected with the clamping head 4, the middle part of the inner wall of the lower part of the frame 1 is provided with the connecting rod 5, the supporting block 6 is arranged above the connecting rod 5, the supporting block 6 is perpendicular to the clamping head 4, and the two sides of the frame 1 are symmetrically provided with the auxiliary fixing structure 7.
Referring to fig. 2, the clamping mechanism of the pipe bender according to the present utility model, the auxiliary fixing structure 7 includes a rotating rod 71, a first rotating head 72 and an auxiliary fixing block 73, one end of the rotating rod 71 is connected with the first rotating head 72, the other end of the rotating rod 71 penetrates through the frame 1 to be connected with the auxiliary fixing block 73, the inner side surfaces of the chuck 4, the supporting block 6 and the auxiliary fixing block 73 face the center position of the frame 1, and the inner side surfaces of the chuck 4, the supporting block 6 and the auxiliary fixing block 73 are provided with arc grooves 8, when the bent pipe is stably placed in the arc grooves 8 on the supporting block 6, the hydraulic cylinder 2 is controlled by an external power source to drive the telescopic rod 3 to descend, the telescopic rod 3 drives the chuck 4 to descend until contacting with the upper part of the outer wall of the pipe, then the first rotating head 72 rotates, the first rotating head 72 drives the rotating rod 71 to drive the auxiliary fixing block 73 to move until the auxiliary fixing block 73 is attached to the two sides of the outer wall of the pipe, thereby realizing the omnibearing clamping fixing of the outer wall of the pipe, the pipe can be offset in the bending process, and the pipe can be applied to different practical specifications.
Referring to fig. 3, according to the clamping mechanism of the pipe bending machine disclosed by the utility model, the tail end of the telescopic rod 3 is provided with the circular block 9, the middle part of the circular block 9 is provided with the circular hole 10, the middle part above the clamping head 4 is provided with the hole 11, the size of the hole 11 is matched with the size of the circular block 9, the outer side wall of the clamping head 4 is provided with the threaded hole 12, the threaded rod 13 is detachably arranged in the clamping head 4 through the threaded hole 12, one end of the threaded rod 13 is outwards extended and connected with the second rotating head 14, the other end of the threaded rod 13 is outwards extended and provided with the locking nut 15, the size of the threaded rod 13 is matched with the size of the circular hole 10, when the clamping head 4 is damaged, the locking nut 15 is firstly rotated to be taken out from the threaded rod 13, then the second rotating head 14 is rotated to take out the threaded rod 13 from the clamping head 4, so that the clamping head 4 is separated from the telescopic rod 3, and therefore quick disassembly is realized, when the clamping head 4 needs to be installed, the circular block 9 on the telescopic rod 3 is inserted into the hole 11 on the clamping head 4, then one end of the threaded rod 14 is driven by the threaded rod 14 to pass through the circular block 9, and the locking nut 15 is quickly pulled out, and the locking nut 15 is quickly replaced after the clamping head is installed, and the clamping head is quickly is installed, and the nut is quickly replaced.
The working process of the utility model comprises the following steps:
In the working process of the pipe bender clamping mechanism, when a bent pipe is stably placed in an arc-shaped groove 8 on a supporting block 6, firstly, a hydraulic cylinder 2 is controlled by an external power supply, the hydraulic cylinder 2 drives a telescopic rod 3 to descend, the telescopic rod 3 drives a chuck 4 to descend until the telescopic rod is contacted with the upper part of the outer wall of the pipe, then a first rotating head 72 is rotated, the first rotating head 72 drives a rotating rod 71 to rotate, the rotating rod 71 drives an auxiliary fixing block 73 to move until the auxiliary fixing block 73 is attached to two sides of the outer wall of the pipe, so that the pipe outer wall is clamped and fixed in all directions, the condition that deflection occurs in the bending process can be avoided, the pipe clamping mechanism can be suitable for pipes with different specifications, when the chuck 4 is damaged, a locking nut 15 is rotated firstly to be taken out from a threaded rod 13, then the threaded rod 13 is rotated to be taken out from the chuck 4, the chuck 4 is separated from the telescopic rod 3, so that quick disassembly is realized, when the chuck 4 needs to be installed, a round block 9 on the telescopic rod 3 is inserted into a hole 11 on the chuck 4, then the round block 9 is rotated to drive one end of the threaded rod 14 to pass through the round block 9, and the round block 9 is quickly replaced, and the nut is quickly is screwed out, so that the nut is quickly is installed and is quickly removed.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (6)
1. The clamping mechanism of the pipe bending machine is characterized by comprising a frame (1), a hydraulic cylinder (2), a telescopic rod (3), a clamp head (4), a connecting rod (5), a supporting block (6) and an auxiliary fixing structure (7), wherein the frame (1) is of a back-shaped structure, the hydraulic cylinder (2) is arranged in the middle of the upper part of the frame (1), the output end of the hydraulic cylinder (2) penetrates through the frame (1) to be connected with the telescopic rod (3), the clamp head (4) is connected with the tail end of the telescopic rod (3), the connecting rod (5) is arranged in the middle of the inner wall of the lower part of the frame (1), the supporting block (6) is perpendicular to the clamp head (4), and the auxiliary fixing structures (7) are symmetrically arranged on the two sides of the frame (1).
2. The clamping mechanism of the pipe bending machine, as set forth in claim 1, characterized in that the auxiliary fixing structure (7) comprises a rotating rod (71), a first rotating head (72) and an auxiliary fixing block (73), one end of the rotating rod (71) is connected with the first rotating head (72), and the other end of the rotating rod (71) penetrates through the frame (1) to be connected with the auxiliary fixing block (73).
3. The clamping mechanism of the pipe bending machine, as set forth in claim 2, characterized in that the inner side surfaces of the clamping head (4), the supporting block (6) and the auxiliary fixing block (73) face the center of the frame (1), and arc-shaped grooves (8) are formed in the inner side surfaces of the clamping head (4), the supporting block (6) and the auxiliary fixing block (73).
4. The clamping mechanism of the pipe bending machine according to claim 1, wherein a round block (9) is arranged at the tail end of the telescopic rod (3), and a round hole (10) is formed in the middle of the round block (9).
5. The clamping mechanism of the pipe bending machine according to claim 4, wherein a hole (11) is formed in the middle of the upper part of the clamping head (4), and the size of the hole (11) is matched with the size of the round block (9).
6. A clamping mechanism of a pipe bending machine according to any one of claims 1 to 5, wherein a threaded hole (12) is formed in the outer side wall of the clamping head (4), a threaded rod (13) is detachably arranged in the clamping head (4) through the threaded hole (12), one end of the threaded rod (13) is connected with a second rotating head (14) in an outward extending mode, the other end of the threaded rod (13) is provided with a locking nut (15) in an outward extending mode, and the size of the threaded rod (13) is matched with that of a round hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420893622.0U CN222133095U (en) | 2024-04-26 | 2024-04-26 | A clamping mechanism for a pipe bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420893622.0U CN222133095U (en) | 2024-04-26 | 2024-04-26 | A clamping mechanism for a pipe bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222133095U true CN222133095U (en) | 2024-12-10 |
Family
ID=93725136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420893622.0U Active CN222133095U (en) | 2024-04-26 | 2024-04-26 | A clamping mechanism for a pipe bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222133095U (en) |
-
2024
- 2024-04-26 CN CN202420893622.0U patent/CN222133095U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A clamping mechanism for a pipe bending machine Granted publication date: 20241210 Pledgee: Henggang sub branch of Zhejiang Haiyan Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang Hanhong precision materials Co.,Ltd. Registration number: Y2025330000542 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |