CN214919809U

CN214919809U - Lightweight aluminum alloy wheel hub shrinkage die

Info

Publication number: CN214919809U
Application number: CN202121217485.1U
Authority: CN
Inventors: 江河; 徐辉; 黄亮
Original assignee: Xiamen Xinminghe Industry And Trade Co ltd
Current assignee: Xiamen Xinminghe Industry And Trade Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-11-30
Anticipated expiration: 2031-06-02

Abstract

The utility model provides a lightweight aluminum alloy wheel hub contraction mold, which comprises a device body, a supporting plate is fixed inside the device body, a lower mold is fixed on the upper end surface of the supporting plate, an upper mold is arranged on the upper end of the lower mold, a plurality of cylinders are fixedly arranged on the outer surface of the upper end of the device body, a cylinder output shaft downwards penetrates through the inner wall of the upper end of the device body and is fixedly connected with the upper mold, a plurality of lead screws are arranged at the lower end of the supporting plate, gears are fixed at the lower ends of the lead screws, a rotating shaft is fixed at the lower end of the gear, the lower end of the rotating shaft is rotatably connected with the inner wall of the lower end of the device body, a jacking block is connected on the outer surface of the lead screws in a threaded manner, a plurality of through holes are arranged on the supporting plate and are communicated with the inner part of the lower mold, worms are fixedly connected through connecting rods, the lower ends of the connecting rods are provided with worms in parallel, a plurality of thread racks are arranged on the outer surface of the worms close to the gears, the thread racks are meshed with the gears, the mold is convenient to be disassembled, the safety is high, and the production efficiency of hub processing is improved.

Description

Lightweight aluminum alloy wheel hub shrinkage die

Technical Field

The utility model relates to a technical field of wheel hub production specifically is a lightweight aluminum alloy wheel hub shrinkage die.

Background

The wheel hub is also called a rim, and is a cylindrical part which supports the tire by the inner contour of the tire and is centrally arranged on a shaft, and the traditional steel wheel hub is simple in processing technology, but cannot meet the requirement of increasing light weight of an automobile, and is gradually replaced by an aluminum alloy wheel hub which is lighter in material and high in strength. In order to be able to assemble the tire accurately, the wheel hub is manufactured generally through the adjustment of many times of contraction and expansion, and after the production and processing of the existing aluminum alloy wheel hub contraction mold are completed, the wheel hub can be clamped in the mold and is relatively inconvenient to take out, so that the production efficiency of the wheel hub is reduced, and because of the hidden trouble possibly existing in the mold and the product, the direct manual mold removal easily causes injury to workers.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a lightweight aluminum alloy wheel hub shrinkage die for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a lightweight aluminum alloy wheel hub contraction die comprises a device body, wherein a supporting plate is fixed inside the device body, a lower die is fixed on the upper end face of the supporting plate, an upper die is arranged at the upper end of the lower die, a plurality of cylinders are fixedly arranged on the outer surface of the upper end of the device body, an output shaft of each cylinder penetrates through the inner wall of the upper end of the device body downwards and is fixedly connected with the upper die, a plurality of lead screws are arranged at the lower end of the supporting plate, gears are fixedly connected to the lower ends of the lead screws, rotating shafts are fixed to the lower ends of the gears, the lower ends of the rotating shafts are rotatably connected with the inner wall of the lower end of the device body, ejector blocks are in threaded connection with the outer surfaces of the lead screws, a plurality of through holes are formed in the supporting plate and are communicated with the inside of the lower die, the ejector blocks are fixedly connected through connecting rods, worms are arranged at the lower ends of the connecting rods in parallel, and a plurality of thread racks are arranged on the outer surfaces of the worms close to the gears, the threaded rack is meshed with the gear, and the worm is rotated to drive the gear to rotate and further drive the lead screw to rotate after the hub is machined, the ejector block is driven to move upwards through the rotation of the lead screw and penetrates through the through hole, so that a hub finished product in the lower die is pushed upwards, and the hub clamped in the lower die is taken out conveniently.

Furthermore, one end of the worm is rotatably connected with the inner wall of the device body, the other end of the worm penetrates through the inner wall of the device body and is fixedly provided with a rotating handle, and the worm is driven to rotate by rotating the rotating handle.

Further, the device body both ends inner wall symmetry is equipped with the spout, the kicking block is close to the terminal surface of spout is fixed with the slider respectively, the slider with spout swing joint, this design is convenient for the connecting rod to pass through the slider and slide from top to bottom along the spout.

Furthermore, the spout is located the backup pad below, spout upper end inner wall is fixed with the limiting plate, and this design is convenient for carry on spacingly to connecting rod and kicking block gliding distance upwards.

Furthermore, the cross section of the ejector block is the same as that of the through hole, and the ejector block is consistent in size, so that the hub clamped in the lower die can be ejected out through the ejector block.

Furthermore, a plurality of guide rods are vertically fixed on the inner wall of the upper end of the device body, lantern rings are respectively fixed on the side walls of the two ends of the upper die, the guide rods penetrate through the lantern rings and are movably connected with the lantern rings, the upper die can be prevented from shifting up and down by the aid of the design, and the accuracy of closing the upper die and the lower die is improved.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in the use, rotate rotatory handle and drive the worm and rotate, through screw rack and gear engagement, and then it is rotatory to drive the gear, and the gear is rotatory to drive the lead screw and rotates, and the lead screw drives threaded connection's kicking block rebound, and it is ejecting that the kicking block passes the through-hole and will block the wheel hub in the bed die, and the limiting plate is spacing to the distance that connecting rod and kicking block rise.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure A of the present invention;

fig. 3 is a schematic view of a partial structure of the present invention.

In the figure: 1. a device body; 11. a support plate; 111. a through hole; 12. a lower die; 13. an upper die; 131. a collar; 14. a screw rod; 141. a top block; 15. a gear; 16. a rotating shaft; 17. a connecting rod; 171. a slider; 18. a worm; 181. a threaded rack; 182. rotating the handle; 19. a chute; 191. a limiting plate; 2. a cylinder; 3. a guide rod.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-3 heavily, a lightweight aluminum alloy wheel hub shrinking die comprises a device body 1, a support plate 11 is fixed inside the device body 1, a lower die 12 is fixed on the upper end surface of the support plate 11, an upper die 13 is arranged on the upper end of the lower die 12, a plurality of cylinders 2 are fixed on the outer surface of the upper end of the device body 1, the output shafts of the cylinders 2 penetrate through the inner wall of the upper end of the device body 1 downwards and are fixedly connected with the upper die 13, a plurality of lead screws 14 are arranged on the lower end of the support plate 11, a gear 15 is fixedly connected on the lower end of the lead screws 14, a rotating shaft 16 is fixed on the lower end of the gear 15, the lower end of the rotating shaft 16 is rotatably connected with the inner wall of the lower end of the device body 1, a jacking block 141 is connected on the outer surface of the lead screws 14 by screw threads, a plurality of through holes 111 are arranged on the support plate 11, and the through holes 111 are communicated with the inside of the lower die 12, through connecting rod 17 fixed connection between the kicking block 141, connecting rod 17 lower extreme parallel is equipped with worm 18, worm 18 is close to the surface of gear 15 is equipped with a plurality of screw thread racks 181, screw thread rack 181 with gear 15 meshes, this design is convenient for after the wheel hub processing is accomplished, drives gear 15 through rotating worm 18 and rotates, and then drives the lead screw 14 rotatory, drives kicking block 141 rebound and passes through-hole 111 through the lead screw 14 is rotatory to upwards release the wheel hub finished product that will be located in lower mould 12, be convenient for take out the wheel hub of card in lower mould 12.

Please refer to fig. 1 and fig. 3, one end of the worm 18 is rotatably connected to the inner wall of the device body 1, the other end of the worm 18 penetrates through the inner wall of the device body 1 and is fixed with a rotating handle 182, the cross-sectional shape of the top block 141 is the same as that of the through hole 111, and the size of the top block 141 is the same as that of the through hole 111.

Please refer to fig. 1 and fig. 2 again, sliding grooves 19 are symmetrically formed in inner walls of two ends of the device body 1, sliding blocks 171 are respectively fixed to end surfaces of the top blocks 141 close to the sliding grooves 19, the sliding blocks 171 are movably connected with the sliding grooves 19, the sliding grooves 19 are located below the supporting plate 11, a limiting plate 191 is fixed to an inner wall of an upper end of the sliding grooves 19, the design facilitates the connecting rod 17 to slide up and down along the sliding grooves 19 through the sliding blocks 171, and the limiting plate 191 limits a distance that the connecting rod 17 and the top blocks 141 slide up and down.

Please refer to fig. 1 again, a plurality of guide rods 3 are vertically fixed on the inner wall of the upper end of the device body 1, collars 131 are respectively fixed on the side walls of the two ends of the upper mold 13, and the guide rods 3 penetrate through the collars 131 and are movably connected with the collars 131, so that the upper mold 13 can be prevented from shifting in the up-down movement, and the accuracy of closing the upper mold 13 and the lower mold 12 can be improved.

The utility model discloses a concrete operation as follows:

use the utility model discloses the time, after wheel hub processing is accomplished, 2 output shafts of cylinder drive mould 13 along 3 rebound of guide arm, it is rotatory to rotate rotatory handle 182 and drive worm 18, screw rack 181 through with the 15 meshing of gear and then drive gear 15 and rotate, it is rotatory to drive lead screw 14 when gear 15 rotates, and then drive threaded connection's kicking block 141 rebound, kicking block 141 shifts up the in-process and slides along spout 19 through slider 171, kicking block 141 passes through-hole 111 with the wheel hub of card in bed die 12 ejecting, thereby be convenient for the staff to tear the mould open, take out wheel hub.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The light aluminum alloy wheel hub contraction die comprises a device body (1) and is characterized in that a supporting plate (11) is fixed inside the device body (1), a lower die (12) is fixed on the upper end face of the supporting plate (11), an upper die (13) is arranged at the upper end of the lower die (12), a plurality of cylinders (2) are fixedly mounted on the outer surface of the upper end of the device body (1), output shafts of the cylinders (2) downwards penetrate through the inner wall of the upper end of the device body (1) and are fixedly connected with the upper die (13), a plurality of lead screws (14) are arranged at the lower end of the supporting plate (11), gears (15) are fixedly connected at the lower ends of the lead screws (14), rotating shafts (16) are fixed at the lower ends of the gears (15), the lower ends of the rotating shafts (16) are rotatably connected with the inner wall of the lower end of the device body (1), and ejector blocks (141) are in threaded connection with the outer surface of the lead screws (14), be equipped with a plurality of through-holes (111) on backup pad (11), through-hole (111) with lower mould (12) inside intercommunication, through connecting rod (17) fixed connection between kicking block (141), connecting rod (17) lower extreme parallel is equipped with worm (18), worm (18) are close to the surface of gear (15) is equipped with a plurality of screw thread racks (181), screw thread rack (181) with gear (15) meshing.

2. The shrinkage die for the light-weight aluminum alloy hub is characterized in that one end of the worm (18) is rotatably connected with the inner wall of the device body (1), and the other end of the worm penetrates through the inner wall of the device body (1) and is fixed with a rotating handle (182).

3. The light-weight aluminum alloy hub shrinkage die as claimed in claim 1, wherein sliding grooves (19) are symmetrically formed in inner walls of two ends of the device body (1), sliding blocks (171) are respectively fixed to end faces, close to the sliding grooves (19), of the top blocks (141), and the sliding blocks (171) are movably connected with the sliding grooves (19).

4. The shrinkage die for the light-weight aluminum alloy hub is characterized in that the sliding grooves (19) are located below the supporting plate (11), and limiting plates (191) are fixed to the inner walls of the upper ends of the sliding grooves (19).

5. The shrinkage die for the light-weight aluminum alloy hub is characterized in that the cross section of the top block (141) is the same as that of the through hole (111) and the top block is uniform in size.

6. The light-weight aluminum alloy hub shrinkage die as claimed in claim 1, wherein a plurality of guide rods (3) are vertically fixed to the inner wall of the upper end of the device body (1), collars (131) are respectively fixed to the side walls of the two ends of the upper die (13), and the guide rods (3) penetrate through the collars (131) and are movably connected with the collars.