CN211708851U

CN211708851U - Locking mechanism for hub wire drawing machine and hub wire drawing machine applying locking mechanism

Info

Publication number: CN211708851U
Application number: CN201922482572.9U
Authority: CN
Inventors: 张春明; 常忠; 邓子安
Original assignee: Foshan Nanhai Anchi Aluminium Wheel Co ltd
Current assignee: Foshan Nanhai Anchi Aluminium Wheel Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-20
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a locking mechanism for a hub wire drawing machine and a hub wire drawing machine using the same, which comprises a frame for supporting a hub, wherein an expansion component is arranged at the position corresponding to the central hole of the hub on the frame, the expansion component comprises an expansion slider, a linkage inclined block is arranged at the inner side of the expansion slider, and the inner side of the expansion slider and the outer side of the linkage inclined block form an inclined plane fit; the linkage inclined block is connected with a linkage driving device, and the linkage driving device drives the linkage inclined block to reciprocate towards the expansion sliding block direction, so that the outer side of the expansion sliding block and the central hole of the hub form locking fit. The utility model has the advantages that: the locking device has the advantages that the locking effect on the hub is stronger, the locking and unlocking processes are convenient, the disassembly is convenient, the service life of the device is long, and the production cost is reduced.

Description

Locking mechanism for hub wire drawing machine and hub wire drawing machine applying locking mechanism

Technical Field

The utility model belongs to the machining field especially relates to a wheel hub wire drawing machine that is used for locking mechanism of wheel hub wire drawing machine and uses it.

Background

Automobile wheel hub repacking and individualized customization are an important development trend of automobile wheel hub development, and wheel hub carries out the wire drawing according to user's demand after the shaping on wheel hub surface. The wire drawing is to fix the hub and then perform wire drawing by the wire drawing device for rotation. Because the hub needs to be driven to rotate at a high speed in the wire drawing process, the wire drawing process can be seriously influenced if the hub cannot be well fixed, and the fixation of the hub is particularly important. In the prior art, there are various ways of locking the hub, but a problem is common: the lock is difficult to disassemble and loose and not firm. Therefore, a locking mechanism which is firmly locked and is convenient to disassemble is needed to lock the hub in the wire drawing process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wheel hub wire drawing machine that is used for locking mechanism of wheel hub wire drawing machine and uses it to solve locking intensity not enough, dismantle inconvenient problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a locking mechanism for a hub wire drawing machine comprises a rack for supporting a hub, wherein an expansion assembly is arranged on the rack corresponding to a central hole of the hub and comprises an expansion sliding block, a linkage inclined block is arranged on the inner side of the expansion sliding block, and an inclined plane is formed on the inner side of the expansion sliding block and the outer side of the linkage inclined block and matched with each other; the linkage inclined block is connected with a linkage driving device, and the linkage driving device drives the linkage inclined block to reciprocate towards the expansion sliding block direction, so that the outer side of the expansion sliding block and the central hole of the hub form locking fit.

The working principle of the technical scheme is as follows:

the hub is erected on a frame, an expansion sliding block is arranged at a position corresponding to a central hole of the hub, a linkage driving device drives a linkage inclined block to move towards the expansion sliding block, the expansion sliding block expands towards the radial direction of the expansion sliding block through inclined plane matching, and the outer wall of the expansion sliding block is tightly attached to the inner wall of the central hole of the hub, so that the purpose of locking the hub is achieved. When the hub is to be disassembled, the linkage driving device drives the linkage inclined block to move towards the direction far away from the expansion sliding block, the expansion sliding block contracts along the radial direction of the expansion sliding block, the outer wall of the expansion sliding block is separated from the inner wall of the center hole of the hub, the unlocking purpose is achieved, and the hub can be disassembled at the moment.

Specifically, the linkage driving device comprises a linkage shaft lever connected with the linkage inclined block, an elastic assembly is arranged between the linkage shaft lever and the rack, the linkage shaft lever is connected with a pneumatic pushing part, and pushing pressure towards the direction of the expansion sliding block is applied to the linkage inclined block by the linkage shaft lever of the pneumatic pushing part; the elastic component linkage shaft rod applies reset elasticity in the direction far away from the expansion sliding block to the linkage inclined block. After the pneumatic pushing part starts to work, the pneumatic pushing part is linked with the linkage shaft rod, pushing pressure is applied to the linkage inclined block, the linkage inclined block moves towards the direction of the expansion sliding block, and therefore the hub is locked, and meanwhile the elastic assembly is compressed; after the pneumatic pushing part is closed, the elastic component rebounds and applies reset elasticity to the linkage inclined block to enable the linkage inclined block to move towards the direction far away from the expansion sliding block, so that the purpose of unlocking the hub is achieved.

Specifically, the pneumatic pushing part comprises an air pump, the air pump extends to be provided with an air guide pipe to be connected with a pneumatic piston, the movable end of the pneumatic piston is connected with a pushing block, and the pushing block is connected with a linkage shaft rod. When the air pump is in an opening state, the air pump inflates towards the pneumatic piston, so that the pushing block applies thrust to the linkage shaft rod, and the hub is locked.

Specifically, one side of the frame, which is close to the expansion assembly, is provided with a limiting part, and the elastic assembly comprises a spring part arranged between the pushing block and the limiting part. The limiting part is used for limiting the position of the spring part, and the spring part is compressed between the limiting part and the pushing block and then used for applying reset elasticity to the linkage inclined block.

Specifically, the linkage inclined block is conical, and the conical bottom of the linkage inclined block is far away from the expansion sliding block; the expansion sliding block is cylindrical, and the inner side of the expansion sliding block is provided with a sliding block conical surface matched with the linkage inclined block; the expansion sliding block and the linkage inclined block are coaxially arranged. The conical inclined plane is more favorable for the conical fit of the linkage inclined block and the sliding block, the expansion sliding block and the linkage inclined block are coaxially arranged, so that the combination degree between the expansion sliding block and the linkage inclined block is higher, the stress is larger, and the hub can be locked better.

Specifically, the upper end of the linkage shaft rod is arranged at the axis position of the linkage inclined block in a penetrating manner; the lower end of the linkage shaft lever is connected with the pushing block through a limiting part, and the spring part is sleeved on the linkage shaft lever. The linkage inclined block, the pressure relief plate and the spring part are connected through the linkage shaft rod, the integrity of the linkage driving device is enhanced, and the service life of the locking mechanism is prolonged.

This scheme still provides a wheel hub wire drawing machine, includes foretell locking mechanism and drive locking mechanism and makes self-rotation's rotation drive mechanism around its center pin, the locking mechanism upside is provided with wire drawing mechanism. After the locking mechanism locks the hub, the driving mechanism is rotated to drive the hub of the locking mechanism to rotate automatically, and meanwhile, the wire drawing mechanism performs wire drawing work.

Specifically, a rotating shaft is arranged at the middle shaft position of the locking mechanism, the rotation driving mechanism comprises a driving rotating shaft and a motor for driving the driving rotating shaft to do rotation motion, and the driving rotating shaft and the rotating shaft are in belt transmission.

The utility model has the advantages that: the locking device has the advantages that the locking effect on the hub is stronger, the locking and unlocking processes are convenient, the disassembly is convenient, the service life of the device is long, and the production cost is reduced.

Drawings

Fig. 1 is a schematic structural view of a hub drawing machine in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an expansion slider according to an embodiment of the present invention.

Description of reference numerals: 1. a hub; 2. a frame; 3. an expansion slide block; 4. linkage inclined blocks; 5. a linkage shaft lever; 6. an inner cavity; 7. a spring portion; 8. a pressing section; 9. an air cavity; 10. an air pump; 11. an air duct; 12. a limiting part; 13. a belt; 14. a rotating shaft; 15. a motor; 16. a sliding conical surface; 17. a wire drawing mechanism; 18. driving the rotating shaft; 19. a tapered cavity.

Detailed Description

In order to make the technical solution of the present invention better understood and make the above objects, features and advantages of the present invention more obvious and understandable, the present invention is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-2, a locking mechanism for a hub wire drawing machine comprises a frame 2, an expansion assembly and a linkage sloping block 4, wherein a hub 1 is erected on the frame 2.

The expansion assembly comprises an expansion sliding block 3, the expansion sliding block 3 is arranged in a central hole of the hub 1, the expansion sliding block 3 is cylindrical in shape, a conical cavity 19 is arranged in the expansion sliding block 3, and a sliding block conical surface 16 is formed on the inner wall of the conical cavity 19; the bottom of the conical cavity 19 is arranged downwards and is provided with an opening; the linkage sloping block 4 is conical, the shape of the linkage sloping block is similar to that of the conical cavity 19, and the volume of the linkage sloping block is slightly larger than that of the conical cavity 19. The linkage sloping block 4 is arranged below the expansion sliding block 3, the top of the linkage sloping block is opened towards the bottom of the conical cavity 19, and the outer surface of the linkage sloping block is attached to the sliding block conical surface 16.

The locking mechanism further comprises a linkage driving device. The linkage driving device comprises a linkage shaft lever 5, one end of the linkage shaft lever 5 is fixedly connected with the linkage inclined block 4, and the other end of the linkage shaft lever is connected with a pneumatic pushing part. The linkage shaft lever 5, the linkage inclined block 4 and the expansion sliding block 3 are coaxially arranged. The pneumatic pushing part comprises an air pump 10, an air duct 11 and a pneumatic piston, and the lower end of the pneumatic piston is connected with a pushing block 8. An inner cavity 6 is arranged in the frame 2, and the push block 8 is arranged in the inner cavity 6 and can move up and down in the inner cavity 6; the pusher block 8 divides the inner chamber 6 into two upper and lower portions which are not communicated with each other. The part of the inner cavity 6, which is positioned below the push block 8, is an air cavity 9, and the air cavity 9 and an air pump 10 are connected through an air duct 11 and communicated with each other.

The upside of frame 2 still is provided with spacing portion 12, is provided with elastic component between spacing portion 12 and the bulldozing piece 8, and elastic component includes spring portion 7, and spring portion 7 cover is established on linkage axostylus axostyle 5, and its lower extreme is connected with the upside of bulldozing piece 8, and the upper end is towards spacing portion 12.

The embodiment also discloses an applied this locking mechanism's wheel hub wire drawing machine, and this wheel hub wire drawing machine includes wire drawing mechanism 17 and rotation driving mechanism, and rotation driving mechanism includes axis of rotation 14 and motor 15, and axis of rotation 14 sets up on locking mechanism's below the center pin, and motor 15 is connected with drive pivot 18, and drive pivot 18 and axis of rotation 14 pass through belt 13 and connect the transmission.

The working principle of the locking mechanism in the embodiment is as follows:

the air pump 10 is opened, the air pump 10 inflates air into the air cavity 9 through the air guide tube 11, the amount of the air in the air cavity 9 is increased, and the air cavity 9 generates upward thrust to the pushing block 8 after the volume of the air cavity 9 is increased, so that the pushing block 8 is pushed upwards. The pressing block 8 applies a pressing force toward the expansion slider 3 to the interlocking slant block 4 by the transmission of the interlocking shaft 5, and compresses the spring portion 7. The linkage inclined block 4 moves towards the expansion sliding block 3 under the pushing and pressing pressure, enters the conical cavity 19 from the opening of the expansion sliding block 3, slides towards the sliding conical surface 16 on the outer surface of the linkage inclined block 4, expands the expansion sliding block 3, enables the expansion sliding block 3 to expand along the radial direction of the expansion sliding block 3, enables the outer wall of the expansion sliding block 3 to be tightly attached to the inner wall of the central hole of the hub 1 to form locking, and adjusts the inserting depth of the linkage inclined block 4 in the expansion sliding block 3 according to requirements.

After the hub 1 is locked, the motor 15 is started, the rotating speed of the motor 15 is controlled to be about 200r/min, the motor 15 drives the driving rotating shaft 18 to rotate, the driving rotating shaft 18 transmits power to the rotating shaft 14 through the belt 13, and the rotating shaft 14 drives the locking mechanism to rotate around the central shaft of the locking mechanism. At this time, the wire drawing mechanism 17 above the locking mechanism draws the hub 1.

When the hub 1 is to be disassembled, the air pump 10 needs to be closed, the air cavity 9 is stopped from being inflated, the compressed spring part 7 generates thrust on the pushing block 8, and the pushing block 8 applies reset elasticity to the linkage inclined block 4 through the transmission of the linkage shaft rod 5, so that the linkage inclined block 4 moves away from the expansion sliding block 3. The outer surface of the linkage inclined block 4 is separated from the sliding conical surface 16, the expansion sliding block 3 radially contracts until the outer wall of the expansion sliding block 3 is separated from the inner wall of the central hole of the hub 1, and the hub 1 can be detached at the moment.

The preferred embodiment of the present invention is only listed in the present specification, and all the technical changes equivalent to those made under the working principle and thought of the present invention are considered as the protection scope of the present invention.

Claims

1. The utility model provides a locking mechanism for wheel hub wire drawing machine which characterized in that: the wheel hub bearing device comprises a machine frame (2) used for bearing a wheel hub (1), wherein an expansion assembly is arranged on the machine frame (2) corresponding to a center hole of the wheel hub (1), the expansion assembly comprises an expansion sliding block (3), a linkage inclined block (4) is arranged on the inner side of the expansion sliding block (3), and an inclined plane is formed on the inner side of the expansion sliding block (3) and the outer side of the linkage inclined block (4) to be matched; the linkage inclined block (4) is connected with a linkage driving device, and the linkage driving device drives the linkage inclined block (4) to reciprocate towards the expansion sliding block (3) so that the outer side of the expansion sliding block (3) and a center hole of the hub (1) form locking fit.

2. The latch mechanism of claim 1, wherein: the linkage driving device comprises a linkage shaft lever (5) connected with the linkage inclined block (4), an elastic assembly is arranged between the linkage shaft lever (5) and the rack (2), the linkage shaft lever (5) is connected with a pneumatic pushing part, and the pneumatic pushing part is linked with the linkage shaft lever (5) to apply pushing pressure towards the direction of the expansion sliding block (3) to the linkage inclined block (4); the elastic component is linked with the linkage shaft lever (5) to apply reset elastic force to the linkage inclined block (4) in the direction away from the expansion sliding block (3).

3. The latch mechanism of claim 2, wherein: the pneumatic pushing and pressing part comprises an air pump (10), the air pump (10) is provided with an air guide pipe (11) in an extending mode so as to be connected with a pneumatic piston, the movable end of the pneumatic piston is connected with a pushing and pressing block (8), and the pushing and pressing block (8) is connected with the linkage shaft lever (5).

4. The latch mechanism of claim 3, wherein: the frame (2) is close to expansion component one side is provided with spacing portion (12), elastic component is including setting up bulldoze piece (8) with spring portion (7) between spacing portion (12).

5. The latch mechanism of claim 4, wherein: the linkage inclined block (4) is conical, and the conical bottom of the linkage inclined block is far away from the expansion sliding block (3); the expansion sliding block (3) is cylindrical, and a sliding block conical surface (16) matched with the linkage inclined block (4) is arranged on the inner side of the expansion sliding block; the expansion sliding block (3) and the linkage inclined block (4) are coaxially arranged.

6. The locking mechanism of claim 5, wherein: the upper end of the linkage shaft lever (5) is arranged at the axis position of the linkage inclined block (4) in a penetrating way; the lower end of the linkage shaft lever (5) is connected with the pushing block (8) through the limiting part (12), and the spring part (7) is sleeved on the linkage shaft lever (5).

7. The utility model provides a hub wire drawing machine which characterized in that: comprising a locking mechanism according to any one of claims 1 to 6 and a rotation driving mechanism for driving the locking mechanism to perform self-rotation movement around a central shaft of the locking mechanism, wherein a wire drawing mechanism (17) is arranged on the upper side of the locking mechanism.

8. The hub drawing machine of claim 7, wherein: a rotating shaft (14) is arranged at the middle shaft position of the locking mechanism, the rotation driving mechanism comprises a driving rotating shaft (18) and a motor (15) for driving the driving rotating shaft (18) to rotate, and a belt (13) is used for transmission between the driving rotating shaft (18) and the rotating shaft (14).