Double-sided rotary gluing jig for carbon fiber frame
By designing a double-sided rotating bonding jig for carbon fiber frames, the problem of frame center offset under high temperatures in vertical jigs was solved, achieving precise positioning and stable fixation, thus improving production efficiency and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-06
- Publication Date
- 2026-04-10
AI Technical Summary
Existing vertical bonding fixtures are difficult to fix the head tube of the frame in high-temperature environments, resulting in center offset, which affects product accuracy and production efficiency, and also leads to a high rework rate.
The carbon fiber frame double-sided rotary bonding fixture with a horizontal design uses a rotating base plate to install head tube adjustment components, seat tube adjustment components, bottom bracket fixing components, and rear fork fixing components. By utilizing the double-sided design and rotary positioning structure of the rotating base plate, it achieves precise positioning and stable fixation of key points of the frame.
It improved the accuracy and consistency of the frame centerline, reduced rework rate, increased production efficiency and first-pass yield, and reduced costs.
Smart Images

Figure CN224107521U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of sports equipment technology, specifically relating to a double-sided rotating adhesive jig for carbon fiber frames. Background Technology
[0002] In the current field of carbon fiber bicycle manufacturing, the jigs used for frame bonding are mostly of a vertical design, that is, fixing the bottom bracket and rear fork of the frame so that the frame stands upright on the bonding jig. This structure facilitates the bonding operation and makes it easy to transfer the frame to the curing equipment after the operation.
[0003] The drawbacks of the aforementioned bonding fixtures are as follows: Existing vertical bonding fixtures fix the bottom bracket and rear fork of the frame, but only fix the rear triangle and not the front triangle. During high-temperature bonding, because the head tube is not fixed and controlled, it is easy for the head tube to deform slightly under high temperature conditions, which will cause the center of the head tube, bottom bracket and rear fork to be offset. When the frame is offset, it needs to be reworked for repair, which is labor-intensive and time-consuming, and the rework process is very likely to result in scrap.
[0004] In view of the shortcomings of the existing technology, the technical problems that urgently need to be solved by those skilled in the art are: 1. Controlling the accuracy and consistency of the center line of the head tube, bottom bracket, rear fork, and front triangle of the frame to control product precision; 2. Facilitating personnel to perform gluing operations and facilitating oven curing, thereby improving product production efficiency and reducing product costs; 3. Improving the first-pass yield rate of product inspection. Utility Model Content
[0005] To overcome the shortcomings of existing technologies, this patent application discloses a double-sided rotary bonding fixture for carbon fiber frames. The fixture adopts a horizontal design, eliminating the need to consider tipping over. Furthermore, two rotation points are added in the middle of the horizontal fixture, allowing it to be flipped on a dedicated machine platform. The fixture can stand upright, improving bonding and curing efficiency.
[0006] To achieve the above technical objectives, the present invention specifically adopts the following solution: a carbon fiber frame double-sided rotary bonding fixture, which includes a movable platform, a bearing seat on the top of the movable platform, and a rotating base plate supported by the bearing seat; the rotating base plate is provided with fixing holes and a rotating shaft, and the rotating shaft is inserted into the bearing seat.
[0007] A positioning hole and a positioning rod are provided between the bearing seat and the rotating shaft, and rotational positioning is achieved by the cooperation of the positioning hole and the positioning rod;
[0008] Both sides of the rotating base plate are equipped with head tube adjustment components, seat tube adjustment components, bottom bracket fixing components, and rear fork fixing components;
[0009] The head tube adjusting assembly comprises a bowl group base, the inside of the bowl group base is provided with a coaxial rod, and an analog bowl group is slidably fixed on the coaxial rod.
[0010] The rear fork fixing assembly comprises a rear fork adjusting block, the rear fork adjusting block is provided with a hub base, and the hub base is provided with an analog hub.
[0011] The rotating bottom plate is fixed with a plurality of adjustable fixing seats through fixing holes, and the adjustable fixing seat is provided with an adjusting groove.
[0012] The seat tube adjusting assembly comprises a seat tube L plate, the seat tube L plate is provided with a horizontal adjusting groove and a vertical adjusting groove, and the vertical adjusting groove is used for fixing and vertically adjusting the analog seat tube.
[0013] The analog hub is provided with a locking piece, and the locking piece is used for fixing the rear triangular hook through suspension and extrusion of the analog hub.
[0014] The five-way fixing assembly comprises a stepped analog shaft, and a pressing plate is movably fixed to the top of the stepped analog shaft.
[0015] The head tube adjusting assembly, the seat tube adjusting assembly, the five-way fixing assembly and the rear fork fixing assembly are oppositely arranged on the two side surfaces of the rotating bottom plate.
[0016] The rotating shaft is provided with four positioning holes, and the four positioning holes are arranged at intervals of 360 degrees.
[0017] The carbon fiber frame double-sided rotating gluing jig has the advantages that the rotating bottom plate is supported through the pelin seat arranged on the top of the moving vehicle table; the rotating shaft is inserted into the pelin seat to realize rotation adjustment; the positioning hole and the positioning rod are arranged between the pelin seat and the rotating shaft to realize rotation positioning; the head tube adjusting assembly, the seat tube adjusting assembly, the five-way fixing assembly and the rear fork fixing assembly are arranged on the two side surfaces of the rotating bottom plate; the accuracy of the center line of the frame head tube center, the five-way center and the rear fork center and the consistency of batch production are effectively controlled by increasing the fixation of the head tube; the double-sided horizontal gluing of the carbon fiber frame double-sided rotating gluing jig can significantly improve the production capacity in the same space and improve the energy utilization rate, thereby achieving cost reduction and efficiency improvement, improving the one-time pass rate of product inspection and reducing rework. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a three-dimensional structure schematic view of the utility model;
[0019] Figure 2 is a mobile car platform structure schematic view;
[0020] Figure 3 is a head tube adjustment assembly structure schematic view;
[0021] Figure 4 is a seat tube adjustment assembly structure schematic view;
[0022] Figure 5 is a rear fork fixing assembly structure schematic view;
[0023] Figure 6 is a five-way fixing assembly structure schematic view;
[0024] Figure 7 is a rotating bottom plate structure schematic view;
[0025] Figure 8 is a three-dimensional structure schematic view of the utility model in horizontal use state;
[0026] Figure 9 is a three-dimensional structure schematic view of the utility model in vertical use state;
[0027] Figure 10 is a front view structure schematic view of the utility model in horizontal use state;
[0028] In the drawings, 1, mobile car platform, 11, mobile wheel, 12, pearling seat, 13, positioning rod, 14, fixed hole, 2, rotating bottom plate, 21, fixed hole, 22, rotating shaft, 23, positioning hole, 24, five-way fixed hole, 3, head tube adjustment assembly, 31, bowl group base, 32, coaxial rod, 33, simulation bowl group, 4, five-way fixing assembly, 41, stepped simulation shaft, 42, insertion section, 43, pressing plate, 5, seat tube adjustment assembly, 51, seat tube L plate, 52, simulation seat tube, 6, adjustable fixed seat, 61, adjusting plate, 7, rear fork fixing assembly, 71, rear fork adjusting block, 72, hub base, 73, simulation hub, 74, hub locking screw, 8, head tube, 9, seat tube, 10, five-way, 101, hook claw. DETAILED DESCRIPTION
[0029] The utility model will be explained in detail through specific embodiment, but need to point out, the following specific embodiment does not make the technical restriction of this technical scheme, and the further technical extension of the person skilled in the art under the guidance of the following technical scheme can be made.
[0030] Example 1:
[0031] A carbon fiber frame double-sided rotary gluing jig, such as Figures 1-7As shown, it includes a mobile vehicle platform 1, which is a welded frame body with taper structure, and a mobile wheel 11 is arranged at the bottom of the mobile vehicle platform 1, wherein the mobile wheel 11 is made of high-temperature-resistant material; a pelin seat 12 is arranged at the top of the mobile vehicle platform 1, and the pelin seat 12 is used to support a rotating bottom plate 2; the rotating bottom plate 2 is provided with a fixing hole 21 and a rotating shaft 22, and the rotating shaft 22 is inserted into the fixing hole 14 in the pelin seat 12 in a matched mode; it should be noted that the fixing hole 21 is not arranged in a single mode, and three fixing hole distribution areas are arranged on the mobile vehicle platform 1 to adapt to the installation of frames with different sizes and different models, and the installation and fixation of a head tube adjusting assembly 3, a seat tube adjusting assembly 5 and a rear fork fixing assembly 7 are realized through the three fixing hole distribution areas.
[0032] A positioning rod 13 is arranged through the pelin seat 12, and a positioning hole 23 is arranged on the rotating shaft 22 in a matched mode; in the embodiment, the rotating bottom plate 2 needs to be rotatably positioned at three angles, i.e., 0°, 90° and 180°, and is fixed at the three angles; in the embodiment, four positioning holes 23 are arranged on the rotating shaft 22, and the four positioning holes are arranged at intervals of 360 degrees. The rotating positioning is realized through the insertion of the positioning hole 23 and the positioning rod 13.
[0033] The head tube adjusting assembly 3, the seat tube adjusting assembly 5, the five-way fixing assembly 4 and the rear fork fixing assembly 7 are arranged on both sides of the rotating bottom plate 1; in actual use, the seat tube adjusting assembly 5 and the five-way fixing assembly 4 can use the fixing assemblies in the frame impact test on the current universal testing machine, but the fixing assemblies are improved in the embodiment in view of the difference between the test environment and the production environment.
[0034] The specific improvement structure of the above assemblies is as follows: Figure 3 As shown, the head tube adjusting assembly 3 comprises a bowl group base 31, the bowl group base 31 is internally provided with a coaxial rod 32, and an analog bowl group 33 is slidably fixed on the coaxial rod 32; when the head tube is fixed, the coaxial rod 32 is inserted through the head tube, and then the analog bowl group 33 is fixed and locked at the upper and lower ends of the head tube. The analog bowl group 33 can be set according to the actual bowl group size of the head tube of different frames, and the specific size of the analog bowl group 33 is not limited herein.
[0035] As shown, Figure 4 As shown, the seat tube adjusting assembly 5 comprises a seat tube L plate 51, the seat tube L plate 51 is provided with a horizontal adjusting groove and a vertical adjusting groove, the vertical adjusting groove is used to fix and vertically adjust an analog seat tube 52. The analog seat tube 52 can be set according to the actual design size of the seat tube of different frames, and the specific size and shape of the analog seat tube 52 are not limited herein.
[0036] As Figure 5 shown, the rear fork fixing assembly 7 includes a rear fork adjusting block 71, which is also provided with a horizontal adjusting groove and a vertical adjusting groove, and a flower drum base 72 is vertically fixed through the vertical adjusting groove, the flower drum base 72 is provided with a simulation flower drum 73 penetratingly, in use, the hook claw is horizontally hung on the simulation flower drum 73, the flower drum locking screw 74 is used as a locking piece, and the rear triangular hook claw is locked and fixed by the flower drum locking screw 74 and the simulation flower drum.
[0037] As Figure 6 shown, the five-way fixing assembly 4 includes a stepped simulation shaft 41, the upper part of the stepped simulation shaft 41 is provided with an insertion section 42, the insertion section 42 is provided with a pressing plate 43 on the end face, the pressing plate 43 is pressed by screwing and extruding, and then the pressing plate 43 extrudes and fixes the end face of the five-way, so that the bicycle frame is locked and fixed on the five-way fixing assembly 4. When the stepped simulation shaft 41 is fixed, the five-way fixing hole 24 is arranged on the rotating bottom plate 2, and the stepped simulation shaft 41 is prevented from moving after assembly through the five-way fixing hole 24.
[0038] In the embodiment, a plurality of adjustable fixing seats 6 are fixed on the rotating bottom plate 2 through the fixing holes 21, the adjustable fixing seats 6 are locked and fixed with the fixing holes 21, the adjustable fixing seats 6 are provided with adjusting grooves on the upper adjusting plates 61, and the head tube adjusting assembly 3, the seat tube adjusting assembly 5 and the rear fork fixing assembly 7 can be assembled and adjusted through the adjusting grooves.
[0039] Further, in order to improve the use efficiency of the double-sided rotating glue fixture of the carbon fiber bicycle frame, the head tube adjusting assembly 3, the seat tube adjusting assembly 5, the five-way fixing assembly 4 and the rear fork fixing assembly 7 are arranged on the two side surfaces of the rotating bottom plate 2, and the head tube adjusting assembly 3, the seat tube adjusting assembly 5, the five-way fixing assembly 4 and the rear fork fixing assembly 7 on different side surfaces are arranged in reverse directions. Through the structure, the load bearing of the upper and lower surfaces of the rotating bottom plate 2 is uniform, and the stability of the rotating bottom plate during rotation is improved.
[0040] Embodiment 2:
[0041] In use, the rotating bottom plate 2 is designed as an integral bottom plate, so that the planar precision of the whole fixture can be ensured, and the head tube adjusting assembly 3, the seat tube adjusting assembly 5, the five-way fixing assembly 4 and the rear fork fixing assembly 7 are fixed on the front and back surfaces, respectively, so that the accuracy and consistency of the center lines of the five-way center, the rear fork center and the front triangular center are controlled, and the overall precision of the product is controlled.
[0042] The head tube adjusting assembly 3 is used for fixing the head tube of the carbon fiber frame, the bowl group 33 imitates the structure of the Perlin lock to fix the head tube of the frame; since the head tube of the frame has different angles and lengths, the head tube adjusting assembly 3 can be matched with the adjusting slot arranged on the adjusting plate 61 through the fixing hole 21, the installation of the head tube with different angles and lengths is realized, and thus the requirements of different frames can be met.
[0043] The seat tube adjusting assembly 5 is used for fixing the seat tube area of the carbon fiber frame; since the seat tube of the frame also has various angles and lengths, the seat tube adjusting assembly 5 can also be matched with the adjusting slot arranged on the adjusting plate 61 through the fixing hole 21, the installation of the seat tube with different angles and lengths is realized, and thus the requirements of different frames can be met.
[0044] In actual use, the head tube, the hook claw, the seat tube and the five-way pipe of the carbon fiber frame are fixed, the four key points of the bicycle frame are controlled, the center error of the four points is controlled within an acceptable tolerance, the one-time yield of the product is improved, and the final bicycle can bring better performance and riding experience when riding.
[0045] The utility model discloses a rotation bottom plate 2 is fixed in 0, 180, and the frame on the two sides is installed and is adjusted in the horizontal state, realizes a set of tool positive and negative two frames are glued simultaneously, and horizontal operation is realized, and the space utilization is improved.
[0046] The utility model discloses a rotation bottom plate 2 is fixed in positive and negative 90, and when entering the oven, keeps as vertical state, reduces the floor space of oven, improves the energy utilization.
[0047] The above specification mentions the specific positions of the head tube, the hook claw, the seat tube and the five-way pipe as shown in the drawing. Figure 8
Claims
1. A double-sided rotary bonding fixture for carbon fiber frames, characterized in that: It includes a mobile car platform, the top of the mobile car platform is provided with a pillion seat, the support of the rotating bottom plate is realized through the pillion seat; The rotating bottom plate is provided with a fixing hole and a rotating shaft, the rotating shaft is inserted and matched with the pillion seat; The pillion seat and the rotating shaft are provided with a positioning hole and a positioning rod, the rotating positioning is realized through the cooperation of the positioning hole and the positioning rod; The two side surfaces of the rotating bottom plate are provided with head tube adjusting assemblies, seat tube adjusting assemblies, five-way fixing assemblies and rear fork fixing assemblies; The head tube adjusting assembly comprises a bowl group base, the inside of the bowl group base is provided with a coaxial rod, and an analog bowl group is slidably fixed on the coaxial rod; The rear fork fixing assembly comprises a rear fork adjusting block, a flower drum base is arranged on the rear fork adjusting block, and an analog flower drum is arranged on the flower drum base.
2. The carbon fiber bicycle frame double-sided rotary gluing jig of claim 1, wherein: A plurality of adjustable fixing bases are fixed on the rotating bottom plate through the fixing hole, the adjustable fixing base is provided with an adjusting groove; The assembling and adjusting of the head tube adjusting assembly, the seat tube adjusting assembly and the rear fork fixing assembly can be realized through the adjusting groove.
3. The carbon fiber bicycle frame double-sided rotary gluing jig of claim 1, wherein: The seat tube adjusting assembly comprises a seat tube L plate, a horizontal adjusting groove and a vertical adjusting groove are arranged on the seat tube L plate, and the fixing and vertical adjustment of the analog seat tube are realized through the vertical adjusting groove.
4. The carbon fiber bicycle frame double-sided rotary gluing fixture of claim 1, wherein: The analog flower drum is provided with a locking piece.
5. The carbon fiber bicycle frame double-sided rotary gluing fixture of claim 1, wherein: The five-way fixing assembly comprises a stepped analog shaft, and a pressing plate is movably fixed on the top of the stepped analog shaft.
6. The carbon fiber bicycle frame double-sided rotary gluing fixture of claim 1, wherein: The head tube adjusting assembly, the seat tube adjusting assembly, the five-way fixing assembly and the rear fork fixing assembly arranged on the two side surfaces of the rotating bottom plate are all reversely arranged.
7. The carbon fiber bicycle frame double-sided rotary gluing fixture of claim 1, wherein: The rotating shaft is provided with four positioning holes, and the four positioning holes are arranged at 360 degrees.