Double-sided spinning die for hub

Abstract

The utility model discloses a double-sided spinning die for a hub, and relates to the technical field of hub spinning dies. The die comprises a lower die and further comprises an upper die arranged above the lower die, a connecting sleeve is arranged at the middle position between the lower portion of the lower die and the upper portion of the upper die, an ejection die is arranged at the bottom end in the upper die, a stabilizing block is arranged at the bottom of the ejection die, and an adjusting groove is formed in the bottom end in the ejection die. The lateral stabilizing assembly is arranged at the bottom of the ejection mold, the stabilizing block is clamped into a gap between spokes when the lower mold and the upper mold are closed to fix a casting blank, and the casting blank is laterally stabilized by the stabilizing block, so that the casting blank is prevented from excessively rotating due to pressure during spinning processing; and the position of the stabilizing block at the bottom of the ejection mold can be adjusted by sliding the adjusting sliding block in the adjusting groove so as to adapt to casting blanks of different specifications, the stabilizing block is stabilized by tightening the fastening nut, the stability of the casting blanks during rim spinning machining is further ensured, and the hub machining quality is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of hub spinning die, especially relates to a double-sided spinning die for hub. BACKGROUND

[0002] The hub spinning die is a tool for forming and processing the hub through the spinning process, and is mainly used for processing the hub rim part on the basis of the cast formed hub. Compared with the traditional cutting processing method, the spinning processing of the hub using the spinning die can greatly reduce the processing time and process complexity under the premise of ensuring the processing quality.

[0003] The utility model discloses a double-sided spinning die for hub, including lower mould and upper mould, the upper of lower mould is equipped with material ejector connecting block, the upper of material ejector connecting block is equipped with ejection mould, the top of lower mould is equipped with casting blank, the middle part of casting blank is equipped with center positioning sleeve, the top of upper mould is equipped with connecting sleeve, the top of material ejector connecting block is set in the upper of lower mould, the bottom of material ejector connecting block is penetrated to the inside of lower mould, the casting blank is arranged between upper mould and lower mould, and the upper and lower ends of the casting blank are in close contact with the lower surface of the upper mould and the upper surface of the lower mould respectively. The utility model discloses a spinning motor simultaneously drives lower mould and upper mould high -speed rotation, and the hub part of casting blank is spun, thereby reaches the effect of double-sided spinning, thereby makes the strength of hub improve, and the strength of hub part is close to forging effect. However, the spinning die is clamped and fixed to the hub casting blank in the process of application, and the casting blank is subjected to a large lateral force when spinning the rim, which can easily cause the hub casting blank to rotate relatively and affect the processing quality, and there is a technical problem that the spoke gap cannot be clamped when the hub casting blank is clamped and fixed to stabilize the hub. SUMMARY

[0004] In view of the above-mentioned shortcomings of the prior art, the utility model provides a double-sided spinning die for hub, which can effectively solve the problems of the prior art.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model discloses a double -sided spinning die for wheel hub, including lower mould, still include: the lower mould upper portion is provided with upper mould, the lower mould lower portion and the intermediate position of upper mould upper portion is provided with the connecting sleeve, the bottom of upper mould is provided with the ejection mould, the bottom of ejection mould is provided with the stabilizing block, the bottom of ejection mould inside is provided with the adjusting groove, the inside embedding of adjusting groove has the adjusting sliding block, the intermediate position of stabilizing block top is provided with the connecting stud, the outside of connecting stud is provided with the fastening nut, the lower mould bottom and upper mould top and the outside between connecting sleeve are provided with positioning quick -mounting assembly.

[0007] Further, the adjusting groove is annular, and the vertical section of the adjusting groove is in the shape of " convex" character, the adjusting sliding block is arc-shaped, and the adjusting sliding block can slide in the adjusting groove.

[0008] Further, the stabilizing block is a cylinder, and the top end of the connecting stud is fixedly connected with the bottom of the adjusting sliding block and the bottom of the adjusting groove inside.

[0009] Further, the lower mould and the upper mould are provided with a casting blank therebetween, the ejection mould is annular, and the intermediate position of the bottom end of the upper mould inside is provided with a center positioning sleeve.

[0010] Further, the positioning quick-mounting assembly comprises a positioning ring, the positioning ring is arranged at the bottom of the lower mould and the top of the upper mould, one end of the positioning ring is provided with an alignment clamping groove, and the outside of the connecting sleeve is provided with a butt joint clamping block close to one end of the lower mould and the upper mould.

[0011] Further, the alignment clamping grooves are arranged at equal intervals at one end of the positioning ring, the butt joint clamping blocks are arranged at equal intervals at one end of the connecting sleeve close to the lower mould and the upper mould, and the butt joint clamping blocks are clamped into the inside of the alignment clamping grooves.

[0012] The utility model has the following beneficial effects:

[0013] 1、 the utility model discloses a lateral stabilizing assembly is provided at the bottom of ejection mould, and when the lower mould and upper mould are fixed casting blank, the stabilizing block is clamped into the gap between the spoke, and the stabilizing block is used to laterally stabilize the casting blank, so that the casting blank is prevented from excessive rotation under pressure during spinning processing, the position of the stabilizing block at the bottom of ejection mould can be adjusted by sliding the adjusting sliding block in the adjusting groove to adapt to casting blanks of different specifications, the stabilizing block is fastened by tightening the fastening nut, the stability of the casting blank during spinning processing of the rim is further ensured, and the wheel hub processing quality is guaranteed.

[0014] 2. The utility model discloses a positioning quick -mounting assembly is arranged between the lower mould bottom and the upper mould top and the outer side of connecting sleeve, when connecting the lower mould and the upper mould with connecting sleeve, through the positioning ring, connecting sleeve can be quickly aligned in the center position of one end of lower mould and upper mould, and meanwhile, the butt -jointing clamping block is clamped into the calibration clamping groove, and the mounting hole is aligned one by one, thereby the purpose that the mould is positioned and installed conveniently and quickly is realized, and the implementability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduce, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the overhead structure schematic diagram of the utility model;

[0018] Figure 3 It is the front view cross section structure schematic diagram of the utility model;

[0019] Figure 4 It is the Figure 3 Amplification structure schematic diagram of the utility model in A place.

[0020] In the drawing, the component list represented by each sign is as follows:

[0021] 1, lower mould;2, casting blank;3, upper mould;4, positioning ring;5, calibration clamping groove;6, connecting sleeve;7, butt -jointing clamping block;8, ejection mould;9, center positioning sleeve;10, stabilizing block;11, adjusting groove;12, fastening nut;13, connecting stud;14, adjusting sliding block. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiment of the utility model will be clearly and completely described in the following by combining with the drawing in the embodiment of the utility model.

[0023] Please refer to Figures 1-4As shown, this utility model is a double-sided spinning mold for wheel hubs, including a lower mold 1, and further including: an upper mold 3 disposed above the lower mold 1, a connecting sleeve 6 disposed at the middle position between the lower mold 1 and the upper mold 3, the upper mold 3 and the lower mold 1 are mounted on the drive mechanism using the connecting sleeve 6, a casting blank 2 is disposed between the lower mold 1 and the upper mold 3, when spinning the wheel hub rim, the lower mold 1 and the upper mold 3 are driven by the drive mechanism to close and clamp the casting blank 2 placed between them, a center positioning sleeve 9 is disposed at the middle position of the bottom of the upper mold 3, and the center positioning sleeve 9 is inserted into the center hole of the casting blank 2, and an annular ejector mold 8 is disposed at the bottom of the upper mold 3, after the spinning process is completed and the mold is separated, the wheel hub is ejected by hydraulically driven ejector mold 8.

[0024] As a further implementation of this embodiment, such as Figure 1 , Figure 3 and Figure 4 As shown, a stabilizing block 10 is provided at the bottom of the ejector die 8. The stabilizing block 10 is cylindrical. When the spinning die closes and fixes the casting blank 2, the stabilizing block 10 engages with the gap between the spokes of the casting blank 2 to provide lateral stability to the casting blank 2 and prevent the casting blank 2 from rotating excessively under pressure during spinning. An annular adjustment groove 11 is provided at the bottom of the ejector die 8. The vertical cross-section of the adjustment groove 11 is convex. An arc-shaped adjustment slider 14 is embedded inside the adjustment groove 11. The adjustment slider 14 can slide within the adjustment groove 11. By sliding the adjustment slider... 14 The position of the stabilizing block 10 at the bottom of the ejector mold 8 can be adjusted to accommodate castings 2 of different specifications. A connecting stud 13 is provided at the middle position of the top of the stabilizing block 10. The top of the connecting stud 13 passes through the bottom of the adjustment groove 11 and is fixedly connected to the bottom of the adjustment slider 14. A fastening nut 12 is provided on the outside of the connecting stud 13. After adjusting the position of the stabilizing block 10 below the ejector mold 8, tighten the fastening nut 12 to stabilize the stabilizing block 10, further ensuring the stability of the casting 2 when spinning the rim and ensuring the quality of the wheel hub processing.

[0025] Before mold closing, the adjusting slider 14 slides in the adjusting groove 11 according to the size of the spun casting 2 and the spoke gap. This drives the adjusting stabilizing block 10 to the position of the bottom of the ejector mold 8 through the connecting stud 13. After adjusting the position of the positioning stabilizing block 10, tighten the fastening nut 12 to stabilize the stabilizing block 10. When the lower mold 1 and the upper mold 3 close the mold to fix the casting 2, the stabilizing block 10 is engaged in the gap between the spokes to stabilize the casting 2 laterally.

[0026] As a further implementation of this embodiment, such as Figure 1 , Figure 2 and Figure 3As shown, the bottom of the lower die 1 and the top of the upper die 3 are provided with a positioning quick-mounting assembly between the outer side of the connecting sleeve 6, the positioning quick-mounting assembly comprises a positioning ring 4 arranged at the bottom of the lower die 1 and the top of the upper die 3, the connecting sleeve 6 can be quickly and accurately positioned at the center position of one end of the lower die 1 and the upper die 3 by using the positioning ring 4, one end of the positioning ring 4 is provided with an alignment clamping groove 5, and the alignment clamping grooves 5 are arranged at equal intervals at one end of the positioning ring 4, the outer side of the connecting sleeve 6 is provided with butt joint clamping blocks 7 at one end close to the lower die 1 and the upper die 3, and the butt joint clamping blocks 7 are arranged at equal intervals at one end of the outer side of the connecting sleeve 6 close to the lower die 1 and the upper die 3, the butt joint clamping blocks 7 are clamped into the inside of the alignment clamping groove 5, and the mounting holes are aligned by clamping the butt joint clamping blocks 7 into the alignment clamping groove 5, so that the mold can be positioned and installed conveniently and quickly.

[0027] When the lower die 1 and the upper die 3 are connected with the connecting sleeve 6, the connecting sleeve 6 can be quickly aligned at the center position of one end of the lower die 1 and the upper die 3 by using the positioning ring 4 arranged at the middle position of one end of the lower die 1 and the upper die 3, and the position of the connecting sleeve 6 is limited to prevent deviation, at the same time, the butt joint clamping blocks 7 arranged at equal intervals at one end of the outer side of the connecting sleeve 6 are clamped into the alignment clamping groove 5, so that the mounting screw holes on the connecting sleeve 6 and the lower die 1 and the upper die 3 are aligned one by one, and the bolt connection is convenient.

[0028] Working principle: when the spinning die is used, the connecting sleeve 6 can be quickly aligned at the center position of one end of the lower die 1 and the upper die 3 by using the positioning ring 4, at the same time, the butt joint clamping blocks 7 are clamped into the alignment clamping groove 5, so that the mounting screw holes on the connecting sleeve 6 and the lower die 1 and the upper die 3 are aligned one by one, the lower die 1 and the upper die 3 are installed and fixed at one end of the connecting sleeve 6 by using the bolt, and then the upper die 3 and the lower die 1 are installed on the driving mechanism by using the connecting sleeve 6, and the sliding block 14 is adjusted in the adjusting groove 11 according to the size of the casting blank 2 and the gap between the spokes, so that the position of the stabilizing block 10 at the bottom of the ejection die 8 is adjusted, then the fastening nut 12 is tightened to stabilize the stabilizing block 10, when the lower die 1 and the upper die 3 are closed to fix the casting blank 2, the stabilizing block 10 is clamped into the gap between the spokes to stabilize the casting blank 2 laterally, and the center positioning sleeve 9 is inserted into the center hole of the casting blank 2, when the hub and the rim are spun, the lower die 1 and the upper die 3 are driven by the driving mechanism to close and clamp the casting blank 2 placed between them, the rim is formed by spinning and extruding the side of the casting blank 2, and the hub is ejected by the hydraulic driving ejection die 8 after the spinning is completed.

[0029] The above is only the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement and improvement of the technical solutions described in the foregoing embodiments, all belong to the protection scope of the present application.

Claims

1. A double-sided spinning die for wheel hubs, comprising a lower die (1), characterized in that, Also includes: An upper mold (3) is provided above the lower mold (1). A connecting sleeve (6) is provided at the middle position between the lower mold (1) and the upper mold (3). An ejector mold (8) is provided at the bottom inside the upper mold (3). A stabilizing block (10) is provided at the bottom of the ejector mold (8). An adjustment groove (11) is provided at the bottom inside the ejector mold (8). An adjustment slider (14) is embedded inside the adjustment groove (11). A connecting stud (13) is provided at the middle position at the top of the stabilizing block (10). A fastening nut (12) is provided outside the connecting stud (13). A positioning quick-release assembly is provided between the bottom of the lower mold (1), the top of the upper mold (3), and the outside of the connecting sleeve (6).

2. The double-sided spinning die for wheel hubs according to claim 1, characterized in that, The adjustment groove (11) is annular and the vertical cross section of the adjustment groove (11) is convex. The adjustment slider (14) is arc-shaped and can slide within the adjustment groove (11).

3. The double-sided spinning die for wheel hubs according to claim 1, characterized in that, The stabilizing block (10) is a cylinder, and the top end of the connecting stud (13) passes through the bottom end of the adjusting groove (11) and is fixedly connected to the bottom of the adjusting slider (14).

4. The double-sided spinning die for wheel hubs according to claim 1, characterized in that, A casting blank (2) is provided between the lower mold (1) and the upper mold (3). The ejector mold (8) is annular. A center positioning sleeve (9) is provided at the middle position of the bottom of the upper mold (3).

5. The double-sided spinning die for wheel hubs according to claim 1, characterized in that, The positioning quick-assembly assembly includes a positioning ring (4), which is located at the bottom of the lower mold (1) and the top of the upper mold (3). One end of the positioning ring (4) is provided with a calibration slot (5), and the outer side of the connecting sleeve (6) near the lower mold (1) and the upper mold (3) is provided with a docking block (7).

6. The double-sided spinning die for a wheel hub according to claim 5, characterized in that, The calibration slots (5) are arranged at equal intervals at one end of the positioning ring (4), and the docking blocks (7) are arranged at equal intervals at one end of the connecting sleeve (6) near the lower mold (1) and the upper mold (3). The docking blocks (7) are engaged with the inside of the calibration slots (5).

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