Punching and fixing device for carbon fiber circular tube

By designing a carbon fiber round tube drilling and fixing device that includes a round tube clamp and a support, the problems of hole position displacement and insufficient accuracy during the carbon fiber round tube drilling process are solved, achieving high-precision and high-efficiency processing results.

CN223877097UActive Publication Date: 2026-02-06NINGBO KONFOONG COMPOSITE MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202520354781.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-02-06
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

In the existing technology, there are problems of hole position displacement and insufficient accuracy during the drilling process of carbon fiber tubes. Especially when processing carbon fiber tubes of different diameters, the hole position is inaccurate due to the adjustment deviation of the positioning pin, and the processing vibration caused by the rigid contact between the fixture and the tube leads to local stress concentration and deformation.

Method used

A drilling and fixing device is adopted, which includes a base plate, a first fixed end, a second fixed end, a round tube clamp, a first support member, and a second support member. The matching grooves of the round tube clamp and the support member cooperate with the outer wall of the carbon fiber round tube. Combined with the pneumatic fixing mechanism, the carbon fiber round tube is accurately positioned and fixed to prevent slippage and deformation.

Benefits of technology

It significantly improves the drilling accuracy and processing efficiency of carbon fiber tubes, avoids hole position displacement and deformation caused by unstable clamping, and enhances the stability and precision of processing.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223877097U_ABST
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Abstract

The utility model provides a punching fixing device for a carbon fiber circular tube. The punching fixing device comprises a bottom plate, a first fixing end, a second fixing end, a circular tube clamp, a first supporting piece and a second supporting piece. The bottom plate is in a strip shape, the first fixing end and the second fixing end are arranged at the two ends of the bottom plate respectively, and the round pipe clamp, the first supporting piece and the second supporting piece are arranged on the portion, between the first fixing end and the second fixing end, of the bottom plate. The circular tube clamp comprises a pressing plate and a base plate, a space gap for containing the carbon fiber circular tube is formed between the pressing plate and the base plate, grooves for containing the carbon fiber circular tube are formed in the first supporting piece and the second supporting piece, and the shapes of the grooves are matched with the shape of the outer wall of the carbon fiber circular tube. According to the punching fixing device, the machining precision of the carbon fiber circular tube can be remarkably improved, meanwhile, operation is easy, and machining efficiency can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to carbon fiber pipe processing technical field, concretely relates to a kind of punching fixing device of carbon fiber round tube. BACKGROUND

[0002] Carbon fiber, as a kind of high-performance material with carbon content more than 90%, has the advantages of light weight, high strength, high temperature resistance, etc., and has become the core reinforcing material in the fields of aerospace, high-end robots, etc. Especially in the manufacture of robot arm, carbon fiber components can significantly reduce the weight and improve the motion accuracy and load capacity. As the core supporting component of robot arm, carbon fiber round tube needs to be drilled to realize assembly connection.

[0003] However, due to the different types of carbon fiber round tube, such as equal-diameter carbon fiber round tube, variable-diameter carbon fiber round tube, etc., when drilling, only using positioning pin to fix the carbon fiber round tube, the hole position is easy to shift when the positioning pin adjustment deviation occurs, resulting in poor drilling precision; and the rigid contact between the clamp and the round tube, the local stress concentration is easy to cause by processing vibration, causing deformation of carbon fiber round tube or reducing the drilling precision.

[0004] For example, CN117484188A discloses a high-performance carbon fiber spinneret punching machine, comprising: a base plate; a clamping assembly for fixing the blank, the clamping assembly is arranged on the base plate; and a processing mechanism arranged on the base plate, the base plate is provided with an adjusting assembly for adjusting the working position of the processing mechanism, and the processing mechanism comprises an L-shaped plate, a processing assembly and a drill bit, the processing assembly comprises a lifting plate, a main shaft, a support sleeve, a support rod, a support plate and a polishing block. Although the clamping assembly can fix the blank, there are still problems such as uneven stress and insufficient hole position precision in dynamic processing.

[0005] Therefore, it is a technical problem in the present field to provide a punching fixing device for carbon fiber round tube. UTILITY MODEL CONTENT

[0006] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a punching fixing device for carbon fiber round tube, which can significantly improve the precision of carbon fiber round tube processing, and is simple to operate, which is beneficial to improve the processing efficiency.

[0007] To achieve this purpose, the utility model adopts the following technical solutions:

[0008] The utility model provides a punching fixing device for carbon fiber round tube, which comprises a base plate, a first fixed end, a second fixed end, a round tube clamp, a first support and a second support.

[0009] The bottom plate is strip-shaped, the first fixed end and the second fixed end are arranged at two ends of the bottom plate respectively, and the round pipe clamp, the first supporting piece and the second supporting piece are arranged on the bottom plate between the first fixed end and the second fixed end.

[0010] The round pipe clamp comprises a pressing plate and a backing plate, a space gap for accommodating the carbon fiber round pipe is arranged between the pressing plate and the backing plate, and grooves for accommodating the carbon fiber round pipe are arranged in the first supporting piece and the second supporting piece, and the shape of the grooves is matched with the shape of the outer wall of the carbon fiber round pipe.

[0011] The first fixed end and the second fixed end are used for fixing the first end and the tail end of the carbon fiber round pipe respectively, and the round pipe clamp, the first supporting piece and the second supporting piece are used for improving the accuracy of positioning, the space gap between the pressing plate and the backing plate is used for preventing the carbon fiber round pipe from slipping in the machining process through extrusion, the grooves matched with the shape of the outer wall of the carbon fiber round pipe are arranged in the first supporting piece and the second supporting piece, and the carbon fiber round pipe is further positioned and fixed accurately, the hole position deviation caused by unstable position in the machining process is avoided effectively, and the punching precision is improved significantly.

[0012] In the utility model, the shape of the groove is matched with the shape of the outer wall of the carbon fiber round pipe, different grooves are arranged according to the carbon fiber round pipes with different diameters, including equal-diameter pipes and variable-diameter pipes.

[0013] Preferably, the round pipe clamp is arranged close to the first fixed end, the second supporting piece is arranged close to the second fixed end, and the first supporting piece is arranged between the round pipe clamp and the second supporting piece.

[0014] Preferably, the first fixed end comprises a fixed table arranged on the bottom plate and a positioning protrusion arranged on the fixed table.

[0015] Preferably, the fixed table is arranged perpendicularly to the bottom plate, and the positioning protrusions are arranged at intervals along the arrangement direction of the carbon fiber round pipe.

[0016] In the utility model, the carbon fiber round pipe is of a hollow structure, and the first end is sleeved on the positioning protrusion.

[0017] Preferably, the second fixed end comprises a pneumatic fixing mechanism arranged on the bottom plate.

[0018] In the utility model, the carbon fiber round pipe is of a hollow structure, the first end is sleeved on the positioning protrusion, the tail end is blocked, and the pneumatic fixing mechanism is moved forward and backward to realize clamping.

[0019] Preferably, the pneumatic fixing mechanism comprises a support block, a pneumatic cylinder and a gas pipeline; the support block is arranged at intervals along the arrangement direction of the carbon fiber round pipe, one end of the support block faces the carbon fiber round pipe, and the other end is connected with the pneumatic cylinder; and the gas inlet of the pneumatic cylinder is connected with the gas pipeline.

[0020] Preferably, the pressing plate is provided with positioning blocks at both ends.

[0021] Preferably, the gasket plate is provided with spring buckles corresponding to both ends of the positioning blocks, the spring buckles are connected with the positioning blocks, and the pressing plate and the gasket plate form a space gap for accommodating the carbon fiber round pipe.

[0022] Preferably, the spring buckles are connected with the gasket plate through screws.

[0023] Preferably, the gasket plate is fixed to the bottom plate through screws.

[0024] The punching fixing device provided by the utility model is used for the operation process of punching the carbon fiber round pipe as follows:

[0025] The first end of the carbon fiber round pipe is aligned with the positioning protrusion of the first fixing end and is sleeved outside the positioning protrusion, the middle part of the carbon fiber round pipe is embedded into the grooves of the first support piece and the second support piece, the tail end of the carbon fiber round pipe is aligned with the pneumatic fixing mechanism of the second fixing end, the pneumatic cylinder is started, the pneumatic cylinder drives the support block to move towards the carbon fiber round pipe to realize fixing.

[0026] The carbon fiber round pipe is placed in the space gap between the pressing plate and the gasket plate of the round pipe clamp, is tightly attached to the outer wall of the carbon fiber round pipe, the positioning blocks are connected with the spring buckles on the gasket plate, and the pressing plate is fixed on the gasket plate through the spring buckles to realize clamping.

[0027] Compared with the prior art, the utility model has the following beneficial effects:

[0028] The punching fixing device provided by the utility model can realize accurate positioning and fixing of the carbon fiber round pipe through the space gap between the pressing plate and the gasket plate and the grooves in the first support piece and the second support piece which are matched with the shape of the outer wall of the carbon fiber round pipe, can effectively avoid hole position deviation caused by unstable clamping in the machining process, significantly improves punching precision and improves machining efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 Fig. 1 is a top view structural schematic diagram of the punching fixing device provided by the utility model embodiment 1;

[0030] Figure 2 Fig. 2 is a side view structural schematic diagram of the punching fixing device provided by the utility model embodiment 1;

[0031] Figure 3The structure schematic view of the pressing plate provided by the embodiment 1 of the utility model;

[0032] Figure 4 The structure schematic view of the base plate provided by the embodiment 1 of the utility model;

[0033] Figure 5 The structure schematic view of the spring buckle provided by the embodiment 1 of the utility model;

[0034] In the figure: 1-base plate; 2-round pipe clamp; 3-first support; 4-second support; 5-fixing table; 6-positioning protrusion; 7-supporting block; 8-cylinder; 9-gas pipeline; 10-groove; 11-pressing plate; 12-base plate; 13-positioning block; 14-spring buckle; 15-claw. DETAILED DESCRIPTION

[0035] It should be understood that, in the description of the utility model, the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0036] It should be noted that, in the description of the utility model, unless otherwise explicitly specified and limited, the terms "arrangement", "connection", "connection" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0037] The technical solutions of the utility model will be further illustrated by the specific embodiments in combination with the drawings.

[0038] Embodiment 1

[0039] The embodiment provides a kind of punching fixing device of carbon fiber round pipe, as shown in Figure 1 And Figure 2 It shows that the punching fixing device includes base plate 1, first fixed end, second fixed end, round pipe clamp 2, first support 3 and second support 4;

[0040] The bottom plate 1 is in a strip shape, the first fixed end and the second fixed end are respectively arranged at two ends of the bottom plate 1, the first fixed end comprises a fixed table 5 arranged on the bottom plate 1 and a positioning protrusion 6 arranged on the fixed table 5, the fixed table 5 is arranged perpendicularly to the bottom plate 1, the positioning protrusion 6 is arranged at intervals along the arrangement direction of the carbon fiber round pipe, the second fixed end comprises a pneumatic fixing mechanism arranged on the bottom plate 1, the pneumatic fixing mechanism comprises a supporting block 7, a gas cylinder 8 and a gas pipeline 9, the supporting block 7 is arranged at intervals along the arrangement direction of the carbon fiber round pipe, one end of the supporting block 7 faces the carbon fiber round pipe, and the other end is connected with the gas cylinder 8, and the gas inlet of the gas cylinder 8 is connected with the gas pipeline 9;

[0041] The round pipe clamp 2, the first supporting piece 3 and the second supporting piece 4 are arranged on the bottom plate 1 between the first fixed end and the second fixed end, the round pipe clamp 2 is arranged close to the first fixed end, the second supporting piece 4 is arranged close to the second fixed end, and the first supporting piece 3 is arranged between the round pipe clamp 2 and the second supporting piece 4, recesses 10 for accommodating the carbon fiber round pipe are arranged in the first supporting piece 3 and the second supporting piece 4, and the recesses 10 are matched with the shape of the outer wall of the carbon fiber round pipe in shape;

[0042] As shown in Figure 3 , Figure 4 and Figure 5 The round pipe clamp 2 comprises a pressing plate 11 and a backing plate 12, both ends of the pressing plate 11 are provided with positioning blocks 13, the backing plate 12 is provided with spring buckles 14 corresponding to both ends of the positioning blocks 13, the clamping hooks 15 of the spring buckles 14 are connected with the positioning blocks 13, the pressing plate 11 and the backing plate 12 form a space gap for accommodating the carbon fiber round pipe, the spring buckles 14 are connected with the backing plate 12 through screws, and the backing plate 12 is fixed on the bottom plate 1 through screws.

[0043] The punching fixing device provided by the embodiment is used for the operation process of punching the carbon fiber round pipe, and the operation process is as follows:

[0044] The first end of the carbon fiber round pipe is aligned with the positioning protrusion 6 of the first fixed end and is sleeved outside the positioning protrusion 6, the middle part of the carbon fiber round pipe is embedded into the recesses 10 of the first supporting piece 3 and the second supporting piece 4, the tail end of the carbon fiber round pipe is aligned with the pneumatic fixing mechanism of the second fixed end, the gas cylinder 8 is started, the gas cylinder 8 drives the supporting block 7 to move towards the carbon fiber round pipe to realize fixing;

[0045] The carbon fiber round pipe is placed in the space gap between the pressing plate 11 and the backing plate 12 of the round pipe clamp 2, so as to be tightly attached to the outer wall of the carbon fiber round pipe, the positioning blocks 13 are connected with the spring buckles 14 on the backing plate 12, and the pressing plate 11 is firmly fixed on the backing plate 12 through the spring buckles 14 to realize clamping.

[0046] Comparative Example 1

[0047] The counter example provides a punching fixing device for carbon fiber round pipe, and the difference compared with example 1 is only that the round pipe clamp is not arranged.

[0048] Counter example 2

[0049] The counter example provides a punching fixing device for carbon fiber round pipe, and the difference compared with example 1 is only that the first support and the second support are not arranged.

[0050] Compared with counter examples 1-2, the round pipe clamp is not arranged in the counter example 1, and the pipe position is easy to slip due to the action of the cutter during the punching process, and the first support and the second support are not arranged in the counter example 2, and the round pipe is easy to displace or shake during the machining process, so that the punching position is not accurate, and therefore, the punching fixing device can more stably and accurately fix the carbon fiber round pipe.

[0051] In summary, the punching fixing device can significantly improve the machining precision of the carbon fiber round pipe, and is simple to operate, and is beneficial to improve the machining efficiency.

[0052] The applicant declares that the above description is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, and the skilled person in the art should understand that any change or replacement within the technical range disclosed by the utility model can be easily thought by any person skilled in the art in the technical field, and falls within the protection scope and the disclosed range of the utility model.

Claims

1. A punching fixing device for a carbon fiber round pipe, characterized by, The punching fixing device comprises a bottom plate, a first fixing end, a second fixing end, a round pipe clamp, a first support and a second support; The bottom plate is in a strip shape, the first fixing end and the second fixing end are respectively arranged at two ends of the bottom plate, and the round pipe clamp, the first support and the second support are arranged on the bottom plate between the first fixing end and the second fixing end; The round pipe clamp comprises a pressing plate and a backing plate, a space gap for accommodating the carbon fiber round pipe is arranged between the pressing plate and the backing plate, recesses for accommodating the carbon fiber round pipe are arranged in the first support and the second support, and the shapes of the recesses are matched with the outer wall shape of the carbon fiber round pipe.

2. The perforating and fixing device for a carbon fiber round pipe according to claim 1, wherein The round pipe clamp is arranged close to the first fixing end, the second support is arranged close to the second fixing end, and the first support is arranged between the round pipe clamp and the second support.

3. The perforating and fixing device for a carbon fiber round pipe according to claim 1, wherein The first fixing end comprises a fixing table arranged on the bottom plate and a positioning protrusion arranged on the fixing table.

4. The perforating and fixing device for a carbon fiber round pipe according to claim 3, wherein The fixing table is arranged perpendicularly to the bottom plate. The positioning protrusions are arranged at intervals along the arrangement direction of the carbon fiber round pipe.

5. The perforating and fixing device for a carbon fiber round pipe according to claim 1, wherein The second fixing end comprises a pneumatic fixing mechanism arranged on the bottom plate.

6. The perforating and fixing device for a carbon fiber round pipe according to claim 5, wherein The pneumatic fixing mechanism comprises a support block, a gas cylinder and a gas pipeline; The support blocks are arranged at intervals along the arrangement direction of the carbon fiber round pipe, one end of each support block faces the carbon fiber round pipe, the other end of each support block is connected with the gas cylinder, and the gas inlet of the gas cylinder is connected with the gas pipeline.

7. The perforating and fixing device for carbon fiber round pipe according to claim 1, wherein Both ends of the pressing plate are provided with positioning blocks.

8. The perforating and fixing device for a carbon fiber round pipe according to claim 7, wherein The backing plate is provided with spring buckles corresponding to both ends of the positioning blocks, the hooks of the spring buckles are connected with the positioning blocks, and the pressing plate and the backing plate form the space gap for accommodating the carbon fiber round pipe.

9. The perforating and fixing device for a carbon fiber round tube according to claim 8, wherein The spring buckles are connected with the backing plate through screws.

10. The perforating and fixing device for carbon fiber round pipe according to claim 1, wherein The backing plate is fixed on the bottom plate through screws.