Bicycle rim forming die

By designing a bicycle rim forming mold and utilizing a combination of a main bottom mold and a matching top mold, the problem of cumbersome mold splicing and disassembly was solved, achieving efficient operation in rim production.

CN223589837UActive Publication Date: 2025-11-25XINGTAI TIANXING CHILDRENS TOYS CO LTD
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Patent Information

Application Number
CN202422951699.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-11-25
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

The current bicycle rim production process involves cumbersome mold assembly and disassembly operations, resulting in low production efficiency.

Method used

A bicycle rim forming mold is used, including components such as a main bottom mold, a matching top mold, and an inner support plate. Through bolt fixing and the cooperation of a lifting head, the material can be quickly formed and easily disassembled.

Benefits of technology

It improves production efficiency and simplifies the assembly and disassembly of molds, making the molding and demolding of wheel rims faster and more efficient.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223589837U_ABST
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Abstract

The utility model discloses a bicycle rim forming die, which relates to the field of bicycle rims, and comprises a main bottom die body, the bottom surface of the main bottom die body is horizontally and fixedly connected with a mounting bottom plate, the top surface of the main bottom die body is provided with a forming channel, and the top surface of the main bottom die body is symmetrically provided with guide channels. A forming channel is formed in the top face of the main bottom die body, an inner supporting disc is vertically clamped to the inner side edge of the forming channel, vertical clamping grooves are vertically and symmetrically formed in the inner side edge of the forming channel, movable clamping plates are horizontally clamped to the inner side edges of the vertical clamping grooves, a matched top die is buckled to the top face of the main bottom die body, and fixing side strips are symmetrically welded to the two side edges of the matched top die. Fixing through holes are evenly formed in the top faces of the fixing side strips, a material injection pipeline is fixedly connected to the top face of the matched top mold, an integrally-formed structure is adopted so that production can be faster and more efficient, and meanwhile, a convenient and fast disassembly and material taking structure is combined so that demolding can be more convenient, fast and easy.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a bicycle rim technical field, concretely is a bicycle rim forming die. BACKGROUND

[0002] Rim: usually circular, the component part of wheel, with axle, spoke, inner tube, outer tire jointly constitutes wheel system. The classification of rim, can be divided into steel ring, aluminum ring, carbon ring etc. according to material.

[0003] For the present bicycle rim when producing processing, all is through the mutual splicing of multiple mold plates, injects material into the internal forming groove of its mold to form the specified rim structure, which is relatively troublesome when multiple mold splicing operations are cooperated, and when disassembling and demolding, it also needs to be disassembled one by one through tools, resulting in low operation efficiency and affecting the production efficiency. UTILITY MODEL CONTENTS

[0004] The utility model discloses a bicycle rim forming die to solve the problem of the present bicycle rim when producing processing, all is through the mutual splicing of multiple mold plates, injects material into the internal forming groove of its mold to form the specified rim structure, which is relatively troublesome when multiple mold splicing operations are cooperated, and when disassembling and demolding, it also needs to be disassembled one by one through tools, resulting in low operation efficiency and affecting the production efficiency.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A bicycle rim forming die, including main bottom mould body, the bottom surface level fixed connection of main bottom mould body has installed bottom plate, the top surface of main bottom mould body is equipped with forming channel, the top surface of main bottom mould body is equipped with guide channel symmetry, the inside edge of forming channel is vertically connected with inner support disc, the inside edge of forming channel is vertically equipped with the clamping vertical groove symmetry, the inside edge of clamping vertical groove is horizontally connected with moving clamping plate, the top surface of main bottom mould body is buckled and is connected with cooperation top die, the both sides of cooperation top die are welded with fixed side strip symmetry, the top surface of fixed side strip is evenly equipped with fixed through -hole, the top surface of cooperation top die is fixedly connected with injection pipe, the bottom surface of cooperation top die is fixedly inserted with guide column body symmetry, the bottom surface of cooperation top die is fixedly connected with extrusion bottom block symmetry, the inside bottom surface of clamping vertical groove is vertically connected with top spring, the side of moving clamping plate is equipped with rectangular sleeve hole, the side of moving clamping plate is equipped with rectangular insert block, the outside edge of inner support disc is equipped with cooperation groove, the top surface of cooperation top die is equipped with injection hole, the bottom surface of cooperation top die is equipped with forming top groove.

[0007] As one preferred embodiment of the utility model: the bottom end fixed connection of the main bottom mould body is arranged at the top surface center position of the installation bottom plate, the forming groove is arranged in semicircle shape, and the top end of the forming groove is arranged in open shape at the top surface center line center position of the main bottom mould body, and the guide groove is symmetrically arranged at the top surface near the four corners of the main bottom mould body.

[0008] As one preferred embodiment of the utility model: the inner support disc is vertically inserted into the inner side of the forming groove in disc shape, and the two side edges of the inner support disc are arranged in close contact with the inner side wall of the forming groove, the top end of the inner support disc is vertically inserted into the inner side of the forming top groove, the clamping vertical groove is vertically and symmetrically arranged at the top end of the two side edges of the forming groove, and the top end of the clamping vertical groove is in open shape.

[0009] As one preferred embodiment of the utility model: the number of the fixed side strips is two, and the two fixed side strips are symmetrically arranged in parallel at the top end of the two side edges of the cooperating top mould, one end of the injection pipe is fixedly connected to the top opening end of the injection hole, and the inside of the injection pipe is in communication with the inside of the injection hole.

[0010] As one preferred embodiment of the utility model: the guide columns are symmetrically arranged in parallel and inserted into the bottom surface near the four corners of the cooperating top mould, and the bottom end of the guide column is correspondingly inserted into the inner side of the guide groove, the extrusion bottom block is symmetrically arranged and fixed at the bottom opening edge position near the forming top groove, and the bottom end of the extrusion bottom block is arranged in abutment with the top end of the movable clamping plate.

[0011] As one preferred embodiment of the utility model: the top end of the top spring is arranged in abutment with the bottom surface of the movable clamping plate, the rectangular insertion block is arranged in rectangular shape at the center position of the side edge of the movable clamping plate, the bottom end of the injection hole extends into the inside of the forming top groove in communication, and the bottom opening of the forming top groove is arranged in close contact with the top opening of the forming groove in communication.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a bottom plate is fixedly arranged in the bottom position of equipment horizontally, and the top end of cooperation top die is butt jointed and arranged at the lifting head position of equipment, and the fixed side strip is fixed and installed through the bolt after the bolt is penetrated through the fixed through -hole, and after the main bottom die body and cooperation top die are installed, the top end of the external material pipe is fixedly connected and arranged at the injection pipeline, and after the lifting head of equipment moves downward, cooperation top die is driven to be downward buckling and arranged at the top surface of main bottom die body, and the bottom end of guide column body is correspondingly inserted and arranged at the inside of guide groove to prevent the dislocation, and after the bottom end of extrusion bottom block extrudes and moves the clamping plate to move downward, the inside support disc is driven to move downward and arranged at the inside center position of forming groove and forming top groove, the material is injected into the inside of forming top groove through injection hole, and finally the bicycle rim shape is formed in the space position between forming top groove, forming groove and cooperation groove, and after cooperation top die is lifted, the movable clamping plate is extruded upward by top spring, and the inside support disc at the position is driven to lift the bicycle rim upward, and after the inside support disc is disassembled, the external bicycle rim can be disassembled and arranged, and the integrated forming structure is adopted to make the production more quick and efficient, and the convenient disassembly and material taking structure is combined to make the demolding more convenient and simple. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other features, objects and advantages of the utility model will become more apparent from the following detailed description of non-limiting embodiments with reference to the drawings:

[0015] Figure 1 It is a three-dimensional structure schematic view of a bicycle rim forming die;

[0016] Figure 2 It is a structure schematic view of the main bottom die body front view section connection detail of a bicycle rim forming die;

[0017] Figure 3 It is a structure schematic view of the main bottom die body side view section connection detail of a bicycle rim forming die;

[0018] Figure 4 It is a structure schematic view of the inside support disc three-dimensional connection detail of a bicycle rim forming die;

[0019] Figure 5 It is a structure schematic view of the cooperation top die front view section connection detail of a bicycle rim forming die.

[0020] In the figure: 1, main bottom mold body; 2, installation bottom plate; 3, forming channel; 4, guide channel; 5, inner support disc; 6, clamping vertical slot; 7, moving clamping plate; 8, matched top die; 9, fixed side strip; 10, fixed through hole; 11, injection pipe; 12, guide column; 13, extrusion bottom block; 14, top clamping spring; 15, rectangular sleeve hole; 16, rectangular plug; 17, matched slot; 18, injection hole; 19, forming top slot. DETAILED DESCRIPTION

[0021] Please refer to Figure 1 In the embodiment of the utility model, a bicycle rim forming die, including main bottom mold body 1, the bottom surface horizontal fixed connection of main bottom mold body 1 has installation bottom plate 2, the top surface of main bottom mold body 1 is equipped with forming channel 3, the top surface of main bottom mold body 1 is equipped with guide channel 4 symmetrically, the bottom end fixed connection of main bottom mold body 1 is set in the top surface center position of installation bottom plate 2, forming channel 3 is set with half-round shape, and the top end of forming channel 3 is set in the top surface center position of main bottom mold body 1 with open, guide channel 4 is set in the top surface near four corners position of main bottom mold body 1 symmetrically, the inner side of forming channel 3 is vertically clamped with inner support disc 5, the inner side of forming channel 3 is vertically set with clamping vertical slot 6 symmetrically, the inner side of clamping vertical slot 6 is horizontally clamped with moving clamping plate 7, inner support disc 5 is vertically inserted and is set in the inner side of forming channel 3 with disc shape, and the two side edges of inner support disc 5 are set in the inner side wall of forming channel 3, the top end of inner support disc 5 is vertically inserted and is set in the inner side of forming top slot 19, clamping vertical slot 6 is vertically set in the top end position of the two side edges center of forming channel 3 symmetrically, and the top end of clamping vertical slot 6 is open, the top surface of main bottom mold body 1 is buckled with matched top die 8, the two side edges of matched top die 8 are symmetrically welded with fixed side strip 9, the top surface of fixed side strip 9 is evenly equipped with fixed through hole 10, the top surface of matched top die 8 is fixedly connected with injection pipe 11, the number of fixed side strip 9 is two, and two fixed side strips 9 are symmetrically fixed between each other and are set in the top end position of the two side edges of matched top die 8, one end of injection pipe 11 is fixedly connected and is set in the top opening end of injection hole 18, and the inside of injection pipe 11 is kept with injection hole 18 inside and is connected, the bottom surface of matched top die 8 is symmetrically fixedly inserted with guide column 12, the bottom surface of matched top die 8 is symmetrically fixedly connected with extrusion bottom block 13, guide column 12 is symmetrically inserted and is set in the bottom surface near four corners position of matched top die 8 between each other, and the bottom end of guide column 12 is correspondingly inserted and is set in the inner side of guide channel 4, extrusion bottom block 13 is symmetrically fixed and is set in the bottom opening edge position near forming top slot 19, and the bottom end of extrusion bottom block 13 is butt-jointed and is set in the top end position of moving clamping plate 7;

[0022] Please refer to Figures 2-5The utility model discloses a bicycle rim forming die, wherein the inner side bottom surface of the clamping vertical groove 6 is vertically clamped with a top contact spring 14, the side edge of the movable clamping plate 7 is provided with a rectangular sleeve hole 15, one side edge of the movable clamping plate 7 is provided with a rectangular insertion block 16, the outer side edge of the inner support disc 5 is provided with a matching groove 17, the top surface of the matching top die 8 is provided with a material injection hole 18, the bottom surface of the matching top die 8 is provided with a forming top groove 19, the top end of the top contact spring 14 is connected to the bottom surface of the movable clamping plate 7, the rectangular insertion block 16 is provided in the center position of the side edge of the movable clamping plate 7, the bottom end of the material injection hole 18 extends to the inside of the forming top groove 19, and the bottom opening of the forming top groove 19 is connected to the top opening of the forming groove 3.

[0023] The working principle of the utility model is as follows:

[0024] The installation bottom plate 2 is horizontally fixed at the bottom of the equipment, the top end of the matching top die 8 is connected to the lifting head of the equipment, the fixed side strip 9 is fixedly installed through the bolt penetrating through the fixed hole 10, after the main bottom die body 1 and the matching top die 8 are installed, the material pipe is fixedly connected to the top end of the material injection pipe 11, the matching top die 8 is connected to the top surface of the main bottom die body 1 after the lifting head of the equipment moves downward, the bottom end of the guide column 12 is connected to the inside of the guide groove 4 to prevent dislocation, the movable clamping plate 7 is extruded downward by the extrusion bottom block 13, the inner support disc 5 is moved to the inside center position of the forming groove 3 and the forming top groove 19, the material injection pipe 11 injects the material into the inside of the forming top groove 19 through the material injection hole 18, and finally the bicycle rim shape is formed in the space between the forming top groove 19, the forming groove 3 and the matching groove 17, the matching top die 8 is lifted, the movable clamping plate 7 is extruded upward by the top contact spring 14, the inner support disc 5 in the space is lifted upward with the rim, and the inner support disc 5 is disassembled to disassemble and arrange the rim.

[0025] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A mould for forming a bicycle rim, comprising a main base body (1), characterised in that, The bottom surface of the main bottom mold body (1) is horizontally fixedly connected with a mounting bottom plate (2), the top surface of the main bottom mold body (1) is provided with a forming channel (3), the top surface of the main bottom mold body (1) is symmetrically provided with a guide channel (4), the inner side of the forming channel (3) is vertically connected with an inner support disc (5), the inner side of the forming channel (3) is vertically and symmetrically provided with a clamping vertical groove (6), the inner side of the clamping vertical groove (6) is horizontally clamped with a moving clamping plate (7), the top surface of the main bottom mold body (1) is clamped with a matched top mold (8), the two side edges of the matched top mold (8) are symmetrically welded with a fixed side strip (9), the top surface of the fixed side strip (9) is uniformly provided with a fixed through hole (10), the top surface of the matched top mold (8) is fixedly connected with a material injection pipeline (11), the bottom surface of the matched top mold (8) is symmetrically fixedly inserted with a guide column body (12), the bottom surface of the matched top mold (8) is symmetrically fixedly connected with an extrusion bottom block (13), the inner bottom surface of the clamping vertical groove (6) is vertically clamped with a top clamping spring (14), the side edge of the moving clamping plate (7) is provided with a rectangular sleeve hole (15), one side edge of the moving clamping plate (7) is provided with a rectangular insertion block (16), the outer side edge of the inner support disc (5) is provided with a matched groove (17), the top surface of the matched top mold (8) is provided with a material injection hole (18), and the bottom surface of the matched top mold (8) is provided with a forming top groove (19).

2. A bicycle rim forming mold according to claim 1, wherein The bottom end of the main bottom mold body (1) is fixedly connected and arranged at the top surface center position of the mounting bottom plate (2), the forming channel (3) is arranged in a semicircular shape, and the top end of the forming channel (3) is arranged in an open shape at the top surface center position of the main bottom mold body (1), and the guide channel (4) is symmetrically arranged at the top surface near the four corners of the main bottom mold body (1).

3. A bicycle rim forming mold according to claim 1, wherein The inner support disc (5) is vertically inserted and arranged in a disc shape at the inner side of the forming channel (3), and the two side edges of the inner support disc (5) are arranged in abutment at the inner side wall of the forming channel (3), the top end of the inner support disc (5) is vertically inserted and arranged at the inner side of the forming top groove (19), the clamping vertical groove (6) is vertically and symmetrically arranged at the top end position of the two side edges of the forming channel (3), and the top end of the clamping vertical groove (6) is in an open shape.

4. A bicycle rim forming mold according to claim 1, wherein The number of the fixed side strips (9) is two, and the two fixed side strips (9) are symmetrically arranged in parallel at the top end positions of the two side edges of the matched top mold (8), one end of the material injection pipeline (11) is fixedly connected and arranged at the top opening end of the material injection hole (18), and the inside of the material injection pipeline (11) is in communication with the inside of the material injection hole (18).

5. A bicycle rim forming mold according to claim 1, wherein The guide column bodies (12) are symmetrically and in parallel inserted and arranged at the bottom surface near the four corners of the matched top mold (8), and the bottom ends of the guide column bodies (12) are correspondingly inserted and arranged at the inner side of the guide channel (4), the extrusion bottom blocks (13) are symmetrically fixedly arranged at the bottom opening edge positions near the forming top groove (19), and the bottom ends of the extrusion bottom blocks (13) are butt-jointed and arranged at the top end positions of the moving clamping plates (7).

6. A bicycle rim forming mold according to claim 1, wherein The top end of the top abutment spring (14) is arranged at the bottom surface of the movable card (7), the rectangular plug (16) is arranged at the center of the side edge of the movable card (7), the bottom end of the injection hole (18) extends to the inside of the shaped top groove (19), and the bottom opening of the shaped top groove (19) is arranged in the top opening of the shaped groove (3).