Claw lock hub forming die
By designing a claw lock hub forming mold and using structures such as extension grooves and material pushers, the problem of bumps not easy to form is solved, and high-quality and efficient production results are achieved.
Patent Information
- Application Number
- CN202422146745.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-02
AI Technical Summary
In the prior art, the bumps of the claw lock hub do not easily form intact shape during the manufacturing process, resulting in poor product molding quality and high scrap rate.
The claw lock hub forming mold design includes an upper die, a lower die and a forming punch. The presence of an extension groove makes the blank easy to squeeze into the groove to form a complete bump, and stable ejection is achieved through the cooperation of the material pusher and the slider, thereby improving production efficiency.
The production quality and efficiency of the claw lock wheel hub are improved, the scrap rate is reduced, and the complete forming of the bumps is ensured.
Smart Images
Figure CN223129127U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of hub forming molds, and in particular, to a claw-lock hub forming mold. Background Art
[0002] A claw-lock hub, that is, a hub with a claw-shaped locking mechanism, generally refers to a hub design that includes a claw-shaped structure capable of tightly locking a tire or other components. This design can enhance the connection stability between the hub and the tire, and improve the safety and reliability during driving.
[0003] The claw-lock hub includes a ring body and a convex block. The convex block is fixedly connected to one side of the ring body. During the manufacturing process of the claw-lock hub, generally, a blank is directly stamped in a forming mold to form a semi-finished workpiece, and then the semi-finished workpiece is drilled to form the claw-lock hub.
[0004] However, due to the small size of the convex block, the blank needs to have a large amount of deformation to form a complete convex block. It is not easy to form a good shape of the convex block during the extrusion process of the mold, resulting in poor product forming quality and high scrap rate. Utility Model Content
[0005] In order to improve the production quality, this application provides a claw-lock hub forming mold.
[0006] The claw-lock hub forming mold provided by this application adopts the following technical solutions:
[0007] A claw-lock hub forming mold includes an upper mold, a lower mold, and a forming punch. The upper mold is arranged above the lower mold. The upper end of the lower mold is provided with a forming groove. The bottom of the forming groove is coaxially provided with an extension groove. The bottom of the forming groove is provided with a groove. The groove is arranged on the outer periphery of the extension groove. One end of the forming punch is fixedly connected to the lower end of the upper mold, and the other end of the forming punch is used to extend into the forming groove.
[0008] By adopting the above technical solutions, the upper mold and the lower mold approach each other, so that the forming punch extends into the forming groove to extrude the blank in the forming groove. The existence of the extension groove facilitates the blank to be extruded into the groove to form a complete convex block, improving the production quality.
[0009] Preferably, it further includes a pusher. The lower mold includes a forming female mold and a pressure block. The pressure block is detachably connected to the lower end of the forming female mold. The upper end of the forming female mold is provided with a forming groove. The lower end of the forming female mold is coaxially provided with a fixing groove. The bottom of the fixing groove communicates with the bottom of the extension groove. The pressure block is provided with a sliding opening. The sliding opening communicates with the fixing groove. The pusher slides up and down in the sliding opening, and the upper end of the pusher is used to extend into the fixing groove.
[0010] By adopting the above technical solution, the pusher supports the blank, facilitating the extrusion molding of the blank. When the upper die and the lower die are separated, the pusher slides upward, facilitating the ejection of the workpiece and improving production efficiency.
[0011] Preferably, it further includes a slider, the slider is slidably connected to the inner wall of the sliding opening, and the slider is fixedly connected to the lower end of the pusher.
[0012] By adopting the above technical solution, the slider guides the sliding of the pusher, enabling the pusher to slide up and down stably, facilitating the support of the workpiece and the ejection of the workpiece, and improving production efficiency.
[0013] Preferably, it further includes a blank ejecting rod. The lower die further includes a support block, the support block is fixedly connected to the lower end of the pressure block, the support block is provided with a through opening, the through opening vertically penetrates the support block, the sliding opening vertically penetrates the pressure block, the through opening communicates with the sliding opening, the blank ejecting rod is slidably connected to the inner wall of the through opening, and the upper end of the blank ejecting rod is fixedly connected to the lower end of the slider.
[0014] By adopting the above technical solution, the support block supports the pressure block, and the sliding of the blank ejecting rod facilitates the control of the sliding of the slider to achieve blank ejection.
[0015] Preferably, an anti - detachment groove is coaxially provided on the inner wall of the through opening, the anti - detachment groove extends upward to penetrate the support block, an anti - detachment ring is coaxially fixedly connected to the outer wall of the blank ejecting rod, the anti - detachment groove is used for the anti - detachment ring to be embedded, the anti - detachment groove is coaxially arranged with the sliding opening, and the diameter of the sliding opening is greater than or equal to the diameter of the anti - detachment groove.
[0016] By adopting the above technical solution, the anti - detachment ring makes the blank ejecting rod not easily fall off from the support block, facilitating use and improving structural stability.
[0017] Preferably, it further includes a die connecting sleeve and a lower die sleeve. The die connecting sleeve is fixedly connected to the outer wall of the pressure block, the lower die sleeve is fixedly connected to the outer wall of the forming female die, and the lower die sleeve and the die connecting sleeve are fixed by bolts.
[0018] By adopting the above technical solution, the die connecting sleeve and the lower die sleeve are fixed by bolts, enabling the stable connection of the pressure block and the forming female die, and being convenient for disassembly and user use.
[0019] Preferably, the forming female die includes a positioning die and a forming die. The positioning die is detachably connected to the upper end of the pressure block, the positioning die is provided with a positioning opening, the positioning opening vertically penetrates the positioning die, the forming die is detachably connected to the inner wall of the positioning opening, the upper end of the forming die is provided with a forming groove, and the lower end of the forming die is provided with a fixing groove.
[0020] By adopting the above technical solution, the forming die and the positioning die are detachable, which is convenient for replacing the positioning die according to the shape of the workpiece, making the mold more adaptable and convenient for users to use.
[0021] Preferably, a limiting groove is coaxially arranged on the inner wall of the positioning port, and the limiting groove extends downward to penetrate the positioning die. A limiting block is fixedly connected to the outer wall of the forming die, and the limiting block is embedded in the limiting groove.
[0022] By adopting the above technical solution, the limiting groove makes it difficult for the forming die to come out upward, improving the stability of the forming die.
[0023] Preferably, a forming ring is coaxially and fixedly connected to the bottom of the forming groove, and the forming ring is arranged on the outer periphery of the groove.
[0024] By adopting the above technical solution, the forming ring facilitates the processing and forming of the blank. The blank is prone to deformation, which is convenient for the convex block to be formed in the groove, improving the processing quality.
[0025] In summary, the present application includes at least one of the following beneficial technical effects:
[0026] 1. The upper die and the lower die approach each other, making the forming punch extend into the forming groove to extrude the blank in the forming groove. The existence of the extension groove makes it convenient for the blank to be extruded into the groove to form a complete convex block, improving the production quality.
[0027] 2. The pusher supports the blank, facilitating the extrusion and forming of the blank. When the upper die and the lower die are separated, the pusher slides upward, facilitating the ejection of the workpiece and improving the production efficiency.
[0028] 3. The forming ring facilitates the processing and forming of the blank. The blank is prone to deformation, which is convenient for the convex block to be formed in the groove, improving the processing quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] Figure 1 is a cross-sectional view of a claw-lock wheel hub forming die.
[0030] Figure 2 is a schematic diagram of the overall structure of the forming die.
[0031] Description of the reference numerals: 1. Lower die; 11. Forming female die; 111. Positioning die; 1111. Positioning port; 1112. Limit groove; 112. Forming die; 1121. Limit block; 1122. Forming groove; 1123. Forming ring; 1124. Groove; 1125. Fixed groove; 1126. Extension groove; 12. Pressure block; 121. Sliding port; 13. Support block; 131. Through port; 1311. Anti - detachment groove; 14. Die connection sleeve; 141. Third connection port; 15. Lower die sleeve; 151. First connection port; 16. Pad block; 161. Second connection port; 17. Bolt; 2. Pusher; 3. Slide block; 4. Stripping rod; 41. Anti - detachment ring; 5. Upper die; 6. Forming punch. Detailed implementation mode
[0032] The following is a further detailed description of this application in conjunction with the attached Figure 1-2 drawings.
[0033] This embodiment of the application discloses a claw - lock hub forming die. Referring to Figure 1 , the claw - lock hub forming die includes a lower die 1, a pusher 2, a slide block 3, a stripping rod 4, an upper die 5 and a forming punch 6.
[0034] The lower die 1 includes a forming female die 11, a pressure block 12, a support block 13, a die connection sleeve 14, a lower die sleeve 15, a pad block 16 and a bolt 17. The forming female die 11 includes a positioning die 111 and a forming die 112. The pressure block 12 is arranged between the positioning die 111 and the support block 13. The pressure block 12 is fixedly connected to the upper end of the support block 13. The positioning die 111 abuts against the upper end of the pressure block 12. The support block 13, the pressure block 12 and the positioning die 111 are coaxially arranged.
[0035] Referring to Figure 1 , the die connection sleeve 14 is coaxially and fixedly connected to the outer wall of the pressure block 12. The lower die sleeve 15 is coaxially and fixedly connected to the outer wall of the positioning die 111. The upper end of the pad block 16 abuts against the lower die sleeve 15, and the lower end of the pad block 16 abuts against the die connection sleeve 14. The lower die sleeve 15 is provided with a first connection port 151, the pad block 16 is provided with a second connection port 161, and the die connection sleeve 14 is provided with a third connection port 141. The first connection port 151, the second connection port 161 and the third connection port 141 are all coaxially arranged. The bolt 17 passes through the first connection port 151 and the second connection port 161 and is threadedly connected to the inner wall of the third connection port 141. There are three first connection ports 151, and the three first connection ports 151 are evenly spaced around the axis of the positioning die 111. There are three second connection ports 161, and the second connection ports 161 are arranged in one - to - one correspondence with the first connection ports 151. There are three third connection ports 141, and the third connection ports 141 are arranged in one - to - one correspondence with the first connection ports 151.
[0036] Referring to Figure 1 and Figure 2, the positioning die 111 is coaxially provided with a positioning port 1111. The positioning port 1111 penetrates the positioning die 111 vertically. The inner wall of the positioning port 1111 is coaxially provided with a limiting groove 1112, and the limiting groove 1112 extends downward to penetrate the positioning die 111. The forming die 112 is arranged in the positioning port 1111. A limiting block 1121 is fixedly connected to the outer wall of the forming die 112, and the limiting block 1121 is embedded in the limiting groove 1112. The outer wall of the forming die 112 is arranged in fit with the inner wall of the positioning port 1111. The upper end height of the forming die 112 is less than the upper end height of the positioning die 111.
[0037] The upper end of the forming die 112 is coaxially provided with a forming groove 1122. A forming ring 1123 is coaxially and fixedly connected to the bottom of the forming groove 1122. An extension groove 1126 is coaxially arranged at the bottom of the forming groove 1122. The forming ring 1123 is arranged on the outer periphery of the extension groove 1126. A groove 1124 is arranged at the bottom of the forming groove 1122, and the groove 1124 is arranged between the forming ring 1123 and the extension groove 1126. The lower end of the forming die 112 is coaxially provided with a fixing groove 1125, and the bottom of the fixing groove 1125 communicates with the bottom of the forming groove 1122. The diameter of the fixing groove 1125 is the same as the diameter of the forming groove 1122.
[0038] Refer to Figure 1 , the pressure block 12 is provided with a sliding port 121. The sliding port 121 penetrates the pressure block 12 vertically. The sliding port 121 is coaxially arranged with the fixing groove 1125. The diameter of the sliding port 121 is smaller than the diameter of the positioning port 1111 and larger than the diameter of the fixing groove 1125. The pusher 2 slides up and down in the sliding port 121, and the upper end of the pusher 2 is used to extend into the fixing groove 1125. The slider 3 is slidably connected to the inner wall of the sliding port 121, and the slider 3 is fixedly connected to the lower end of the pusher 2.
[0039] The support block 13 is provided with a through port 131. The through port 131 penetrates the support block 13 vertically. The through port 131 communicates with the sliding port 121, and the through port 131 is coaxially arranged with the sliding port 121. The ejector rod 4 is slidably connected to the inner wall of the through port 131, and the upper end of the ejector rod 4 is fixedly connected to the lower end of the slider 3. An anti - detachment groove 1311 is coaxially arranged on the inner wall of the through port 131, and the anti - detachment groove 1311 extends upward to penetrate the support block 13. An anti - detachment ring 41 is coaxially and fixedly connected to the outer wall of the ejector rod 4, and the anti - detachment groove 1311 is used for the anti - detachment ring 41 to be embedded. The diameter of the sliding port 121 is greater than or equal to the diameter of the anti - detachment groove 1311.
[0040] Refer to Figure 1 , the upper die 5 is arranged above the lower die 1. One end of the forming punch 6 is fixedly connected to the lower end of the upper die 5, and the other end of the forming punch 6 is used to extend into the forming groove 1122.
[0041] The implementation principle of a claw lock wheel hub forming die in an embodiment of this application is as follows: Place the blank in the positioning port 1111, and move the upper die 5 downward so that the forming punch 6 extends into the forming groove 1122 to process the blank. The extension groove 1126 facilitates the blank to be squeezed into the groove 1124 to form a convex block.
[0042] The above are all preferred embodiments of this application. It does not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.
Claims
1. A claw lock wheel forming die, characterized in that: It includes an upper die (5), a lower die (1) and a forming punch (6). The upper die (5) is arranged above the lower die (1). The upper end of the lower die (1) is provided with a forming groove (1122). The bottom of the forming groove (1122) is coaxially provided with an extension groove (1126). The bottom of the forming groove (1122) is provided with a groove (1124). The groove (1124) is arranged on the outer periphery of the extension groove (1126). One end of the forming punch (6) is fixedly connected to the lower end of the upper die (5), and the other end of the forming punch (6) is used to extend into the forming groove (1122).
2. The claw lock wheel forming die according to claim 1, characterized in that: It further includes a pusher (2). The lower die (1) includes a forming female die (11) and a pressure block (12). The pressure block (12) is detachably connected to the lower end of the forming female die (11). The upper end of the forming female die (11) is provided with a forming groove (1122). The lower end of the forming female die (11) is coaxially provided with a fixing groove (1125). The bottom of the fixing groove (1125) communicates with the bottom of the extension groove (1126). The pressure block (12) is provided with a sliding opening (121). The sliding opening (121) communicates with the fixing groove (1125). The pusher (2) slides up and down in the sliding opening (121), and the upper end of the pusher (2) is used to extend into the fixing groove (1125).
3. The claw lock wheel forming die according to claim 2, characterized in that: It further includes a slider (3). The slider (3) is slidably connected to the inner wall of the sliding opening (121), and the slider (3) is fixedly connected to the lower end of the pusher (2).
4. The claw lock hub forming die according to claim 3, characterized in that: It further includes a stripper rod (4). The lower die (1) further includes a support block (13). The support block (13) is fixedly connected to the lower end of the pressure block (12). The support block (13) is provided with a through opening (131). The through opening (131) vertically penetrates the support block (13). The sliding opening (121) vertically penetrates the pressure block (12). The through opening (131) communicates with the sliding opening (121). The stripper rod (4) is slidably connected to the inner wall of the through opening (131), and the upper end of the stripper rod (4) is fixedly connected to the lower end of the slider (3).
5. The claw lock wheel forming die according to claim 4, characterized in that: The inner wall of the through opening (131) is coaxially provided with an anti - detachment groove (1311). The anti - detachment groove (1311) extends upward to penetrate the support block (13). An anti - detachment ring (41) is coaxially and fixedly connected to the outer wall of the stripper rod (4). The anti - detachment groove (1311) is used for the anti - detachment ring (41) to be embedded. The anti - detachment groove (1311) is coaxially arranged with the sliding opening (121), and the diameter of the sliding opening (121) is greater than or equal to the diameter of the anti - detachment groove (1311).
6. The claw lock wheel forming die according to claim 2, characterized in that: The lower die (1) further includes a die connecting sleeve (14) and a lower die (1) sleeve. The die connecting sleeve (14) is fixedly connected to the outer wall of the pressure block (12). The lower die (1) sleeve is fixedly connected to the outer wall of the forming female die (11). The lower die (1) sleeve and the die connecting sleeve (14) are fixed by bolts (17).
7. The claw lock wheel forming die according to claim 2, characterized in that: The forming female die (11) includes a positioning die (111) and a forming die (112). The positioning die (111) is detachably connected to the upper end of the pressure block (12). The positioning die (111) is provided with a positioning opening (1111), and the positioning opening (1111) vertically penetrates the positioning die (111). The forming die (112) is detachably connected to the inner wall of the positioning opening (1111). The upper end of the forming die (112) is provided with a forming groove (1122), and the lower end of the forming die (112) is provided with a fixing groove (1125).
8. The pawl lock hub forming die according to claim 7, wherein: A limiting groove (1112) is coaxially arranged on the inner wall of the positioning opening (1111), and the limiting groove (1112) extends downward to penetrate the positioning die (111). A limiting block (1121) is fixedly connected to the outer wall of the forming die (112), and the limiting block (1121) is embedded in the limiting groove (1112).
9. The claw lock wheel forming die according to claim 1, wherein: A forming ring (1123) is coaxially and fixedly connected to the bottom of the forming groove (1122), and the forming ring (1123) is arranged on the outer periphery of the groove (1124).