Laser cutting tool for elbow hinge
By introducing positioning components and clamping mechanisms into the laser cutting tooling of the bent hinge, the problem of deformation of the bent hinge tube body during the cutting process is solved, and higher product quality and assembly accuracy are achieved.
Patent Information
- Application Number
- CN202323529210.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-25
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2033-12-25
AI Technical Summary
The bent hinge pipe body is deformed during the cutting process, which affects the accuracy of the assembly dimensions and leads to a decline in product quality.
A laser cutting tool including a positioning assembly and a clamping mechanism is designed to effectively position the bent pipe hinge through the positioning assembly, and the pipe body is pressed by the clamping mechanism to reduce deformation.
It effectively reduces the deformation of the bent pipe hinge pipe body, ensures the accuracy of assembly dimensions, and improves product quality.
Smart Images

Figure CN222429617U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cold stamping auxiliary bent pipe hinges, in particular to a laser cutting tool for bent pipe hinges. Background Art
[0002] For the hinge manufacturing process, there are multiple mounting holes and harness clip mounting holes on the elbow hinge body. The traditional processing technology is completed by a group drilling machine. Burrs will be generated around the holes, and the hole position will exceed the tolerance range, which will have an adverse effect on loading and affect the OEM vehicle quality and adjustment time. The laser cutting machine is used to cut the mounting holes of the elbow hinge. The hole cross-section has no burrs, which can improve product quality. The elbow hinge body is deformed during the cutting process, which has a great impact on the assembly size of the elbow hinge assembly. Therefore, a laser cutting tool is needed to effectively position and clamp the elbow hinge to reduce deformation. Utility Model Content
[0003] The utility model aims to provide a laser cutting tool for a bent tube hinge, so as to solve the problems mentioned in the above background technology that the existing bent tube hinge tube body is deformed during the cutting process, which has a great influence on the assembly size of the bent tube hinge assembly.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laser cutting tool for a bent pipe hinge, comprising a main base plate, a positioning assembly and a clamping mechanism are arranged on the main base plate, the positioning assembly comprises a small positioning reference plate, a positioning plate, a first arc positioning block, a second arc positioning block and a positioning block, the small positioning reference plate, the positioning plate, the first arc positioning block and the positioning block are respectively fixed on the main base plate, the first arc positioning block is fixed on the transverse support plate, the clamping mechanism comprises a first rotating clamping mechanism, a second rotating clamping mechanism and a third rotating clamping mechanism, the first rotating clamping mechanism comprises a first clamping pin arranged above the head of the tube body, the second rotating clamping mechanism comprises a second clamping pin arranged above the middle of the tube body, and the second rotating clamping mechanism comprises a third clamping pin arranged on the inner side of the tail of the tube body.
[0005] The small positioning reference plate and the positioning plate are respectively arranged on the inner and outer sides of the head of the tube body, the first arc positioning block 7 and the second arc positioning block are respectively arranged on the outer side of the arc section in the middle of the tube body, and the positioning block is arranged on the outer side of the tail of the tube body.
[0006] The first clamping pin is arranged above the tube body between the small positioning reference plate and the positioning plate; the second clamping pin is arranged above the tube body opposite to the first arc positioning block; the third clamping pin is arranged on the inner side of the tail of the tube body opposite to the positioning block.
[0007] The transverse support plate is fixed to the main base plate.
[0008] The end of the main base plate is fixed on the rotating disc.
[0009] Compared with the prior art, the beneficial effects of the utility model are:
[0010] The utility model utilizes a positioning component to position the tube body of the elbow hinge, adopts a clamping mechanism to compress the tube body, and then cuts it. The entire cutting process effectively positions and clamps the elbow hinge to reduce deformation of the tube body of the elbow hinge. After cutting, the assembly size accuracy of the elbow hinge can be guaranteed to be within the tolerance range required by the drawing, which can effectively improve the quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0012] Figure 2 It is a front view of the utility model.
[0013] In the above drawings, 1 is a main base plate, 2 is a small positioning reference plate, 3 is a positioning plate, 4 is a first rotary clamping cylinder, 5 is a tube body, 6 is a transverse support plate, 7 is an arc positioning block, 8 is a second rotary clamping cylinder, 9 is a positioning plate, 10 is a laser cutting head, 11 is a rotating disc, 12 is a positioning block, 13 is a third rotary clamping cylinder, a first clamping pin 14, a second clamping pin 15, and a third clamping pin 16. DETAILED DESCRIPTION
[0014] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0015] like Figure 1-2 As shown, the small positioning reference plate 2, the positioning plate 3, the first arc positioning block 7 and the positioning block 12 are respectively fixed on the main base plate 1, the first arc positioning block 7 is arranged on the transverse support plate 6 outside the second clamping pin 15, and the transverse support plate 6 is fixed on the main base plate 1. The utility model is used for positioning and fixing the elbow hinge in laser cutting. The middle part of the tube body of the elbow hinge is arc-shaped, and the main base plate 1 is supported on the bottom surface. The small positioning reference plate 2, the positioning plate 3, the first arc positioning block 7, the first arc positioning block 9 and the positioning block 12 position the tube body 5 of the elbow hinge on the main base plate 1;
[0016] The clamping mechanism includes a first rotating clamping mechanism, a second rotating clamping mechanism and a third rotating clamping mechanism, the first rotating clamping mechanism includes a first rotating clamping cylinder 4, the output end of the first rotating clamping cylinder 4 is provided with a first clamping block, the first clamping block is provided with a first clamping pin 14, the second rotating clamping mechanism includes a second rotating clamping cylinder 8, the output end of the second rotating clamping cylinder 8 is provided with a second clamping block, the second clamping block is provided with a second clamping pin 15, the third rotating clamping mechanism includes a third rotating clamping cylinder 13, the output end of the third rotating clamping cylinder 13 is provided with a third clamping block, the third clamping block is provided with a third clamping pin Pin 16, the first clamping pin 14 is arranged above the head of the tube body 5, the second clamping pin 15 is arranged above the middle of the tube body 5, and the third clamping pin 16 is arranged on the inner side of the tail of the tube body 5. The first rotary clamping cylinder 4, the second rotary clamping cylinder 8 and the third rotary clamping cylinder 13 pass through, and the third rotary clamping cylinder 13 is controlled by the clamping button. Pressing the clamping button controls the first rotary clamping cylinder 4, the second rotary clamping cylinder 8 and the third rotary clamping cylinder 13 to respectively control the first clamping pin 14, the second clamping pin 15 and the third clamping pin 16 to move above the main base plate 1 to an open state or clamp the tube body 5.
[0017] The end of the main base plate 1 is fixed on the rotating disk 11, and the rotating disk 11 is connected to the positioner of the laser cutting machine. When cutting the tube body hole, the positioner will rotate at a suitable angle according to the prescribed procedure. Rotating the rotating disk 11 can also drive the main base plate 1 and the tube body 5 on the main base plate 1 to rotate, and cooperate with the laser cutting head 10 to cut the tube body hole.
[0018] The utility model is installed as a whole on the three-dimensional laser cutting working positioner, so that the first rotating clamping mechanism, the second rotating clamping mechanism and the second rotating clamping mechanism are in the open state, and the tube body 5 is placed on the main base plate 1, so that the head of the tube body fits the small positioning reference plate 2, the outer side of the arc of the tube body 5 fits the first arc positioning block 7, and the tail of the tube body 5 fits the positioning block 12. Press the clamping button to make the first rotating clamping cylinder 4, the second rotating clamping cylinder 8 and the third rotating clamping cylinder 13 respectively control the first clamping pin 14, the second clamping pin 15 and the third clamping pin 16 to clamp the tube body so that the tube body and the positioning assembly are in a protective fit state. The L-shaped laser cutting head 10 can be used to cut the mounting holes and harness holes on the tube body 5. The hole position accuracy is in a through state by measuring the position on a special inspection fixture, which can reduce the generation of defects, improve the product manufacturing qualification rate, and improve the product production rhythm, so as to achieve cost reduction and efficiency improvement.
Claims
1. A laser cutting tool for bent tube hinges, characterized in that: It includes a main base plate, on which a positioning assembly and a clamping mechanism are arranged, the positioning assembly includes a small positioning reference plate, a positioning plate, a first arc positioning block, a second arc positioning block and a positioning block, the small positioning reference plate, the positioning plate, the first arc positioning block and the positioning block are respectively fixed on the main base plate, the first arc positioning block is fixed on the transverse support plate, the clamping mechanism includes a first rotating clamping mechanism, a second rotating clamping mechanism and a third rotating clamping mechanism, the first rotating clamping mechanism includes a first clamping pin arranged above the head of the tube body, the second rotating clamping mechanism includes a second clamping pin arranged above the middle of the tube body, and the second rotating clamping mechanism includes a third clamping pin arranged on the inner side of the tail of the tube body.
2. The laser cutting tool for bent tube hinge according to claim 1, characterized in that: The small positioning reference plate and the positioning plate are respectively arranged on the inner and outer sides of the head of the tube body, the first arc positioning block and the second arc positioning block are respectively arranged on the outer side of the arc section in the middle of the tube body, and the positioning block is arranged on the outer side of the tail of the tube body.
3. The laser cutting tool for bent tube hinge according to claim 2, characterized in that: The first clamping pin is arranged above the tube body between the small positioning reference plate and the positioning plate; the second clamping pin is arranged above the tube body opposite to the first arc positioning block; the third clamping pin is arranged on the inner side of the tail of the tube body opposite to the positioning block.
4. The laser cutting tool for bent tube hinge according to claim 1, characterized in that: The transverse support plate is fixed to the main base plate.
5. The laser cutting tool for bent tube hinge according to claim 1, characterized in that: The end of the main base plate is fixed on the rotating disc.