Automatic clamping device for hub coating intelligent line transferring

By designing an automatic clamping device for intelligent wheel hub painting lines, and employing a four-point positioning and synchronous movement clamping assembly, the problems of poor positioning effect and unstable clamping of existing wheel hub clamps are solved, achieving efficient and reliable clamping effect and wheel hub protection.

CN223556429UActive Publication Date: 2025-11-18ZHEJIANG JINFEI KAIDA WHEEL
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422935900.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-11-18
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Existing wheel hub clamps suffer from poor positioning and unreliable clamping during positioning and clamping processes, especially during intelligent wheel hub painting transitions where they are prone to misalignment and insufficient clamping force.

Method used

Design an automatic clamping device that uses two clamping seat assemblies to approach each other and perform four-point positioning through a clamping assembly. Combined with a drive cylinder and transmission gear to drive the sliding base to move synchronously, the device achieves synchronization of the clamping assembly and improves clamping force. It also uses an elastic element to avoid hard collisions.

Benefits of technology

It achieves efficient and reliable four-point positioning and clamping of wheel hubs, with good clamping effect and strong versatility, avoiding damage to wheel hubs and clamps, and the clamping process is stable and reliable.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223556429U_ABST
    Figure CN223556429U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic clamping device for hub coating intelligent line transfer, which comprises a main body base, a plurality of clamp positioning components fixedly connected with the main body base are arranged on the main body base, and the clamp positioning components are arranged side by side adjacently; the clamp positioning assembly comprises a mounting box body, clamp seat assemblies arranged in pairs are arranged in the mounting box body, each clamp seat assembly comprises a sliding base and a driving air cylinder, and the driving air cylinders drive the sliding bases to move relative to the mounting box body when working; the sliding base is provided with clamping assemblies arranged in pairs, and a transmission gear is arranged between the two clamp base assemblies. The two clamp base assemblies are close to each other, four-point positioning is carried out on a hub through the clamping assemblies, and the positioning effect is good; the driving air cylinder is matched with the transmission gear, so that the two sliding bases are driven to move synchronously, the clamping effect is good, and the clamping state is reliable.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of clamping device, concretely relates to an automatic clamping device for wheel hub coating intelligent transfer line. BACKGROUND

[0002] Wheel hub needs to be fixed by clamping device in the process of processing and transferring, so as to avoid wheel hub sliding, the patent document with the public number CN110202504A discloses a kind of automobile wheel hub clamp, including base, the upper end middle part of base is fixedly connected with electric telescopic cylinder, the telescopic end of electric telescopic cylinder penetrates bearing plate and is fixedly connected with intermediate support part, the inside of base is provided with strip slot, screw is rotatably connected between the opposite inner wall of strip slot, positive and negative rotation motor that the side wall of base is fixedly installed is driven to screw, the both sides of screw are all screw-jointed with moving sleeve, height adjustment is carried out by intermediate support part, horizontal adjustment is carried out by side clamping mechanism;The wheel hub clamp of existing disclosure is only positioned by two symmetrical clamping mechanisms to wheel hub, and the positioning effect is poor;Single positive and negative rotation motor is provided on base, and the relative base sliding of two moving plates is controlled by screw alone by positive and negative rotation motor, and the clamping force of moving plate and arc-shaped clamping pad is small, so wheel hub will be offset relative to base, and the clamping state is not reliable enough.Therefore, a kind of automatic clamping device for wheel hub coating intelligent transfer line is needed to overcome the above difficulties. SUMMARY

[0003] The utility model discloses in the prior art, a kind of automatic clamping device for wheel hub coating intelligent transfer line, the utility model is close to two clamping seat components by being, and four-point positioning is carried out to wheel hub by clamping assembly, and the positioning effect is good;By driving cylinder and transmission gear cooperation, to drive two sliding bases synchronous movement, clamping effect is good and clamping state is reliable.

[0004] The utility model discloses a kind of automatic clamping device for wheel hub coating intelligent transfer line, including main body base, the main body base is equipped with a plurality of with its fixed connection clamping positioning component, each described clamping positioning component is side by side and adjacent arrangement;The clamping positioning component includes installation box body, installation box body is equipped with the clamping seat component of being set up in pairs, clamping seat component includes sliding base and driving cylinder, driving cylinder moves when working relative installation box body and drives sliding base;Sliding base is equipped with the clamping assembly of being set up in pairs, transmission gear is equipped between two described clamping seat components.

[0005] As preferred, each described clamping positioning component is side by side and adjacent arrangement, each described clamping positioning component is arranged at the same horizontal height.By being set up a plurality of side by side arrangement clamping positioning component, so it can simultaneously fix multiple wheel hubs.

[0006] As preferred, the installation box is provided with a pair of guide rails, and the sliding base is installed on the guide rails; the driving cylinder is fixedly installed in the installation box, and the piston shaft of the driving cylinder is fixedly connected with the sliding base; the two clamp seat assemblies are respectively arranged on the left and right sides of the installation box.

[0007] As preferred, the installation box is provided with a cushion block, and the driving cylinder is installed on the cushion block; the sliding base is provided with a rack fixedly connected therewith, the bottom of the installation box is provided with a transmission gear rotatably connected therewith, and the rack and the transmission gear are in meshing connection; the clamp seat assemblies are arranged in pairs, and the two racks are respectively arranged on the two sides of the transmission gear.

[0008] As preferred, the cushion block is arranged higher than the rack, and the rack is arranged in parallel with the guide rail; the end of the rack close to the transmission gear extends to the bottom of the driving cylinder.

[0009] As preferred, the sliding base extends to the outside of the installation box, and the side wall of the installation box is provided with an open slot; the top plate of the sliding base passes through the open slot; and the installation box is provided with a cover detachably connected therewith.

[0010] When the hub needs to be clamped and positioned during the transfer process, the hub is first conveyed to a specific position through a roller conveying line or a suspension chain, and the mechanical hand drives the automatic clamping device to move to the front of the hub; the mechanical hand is a multi-axis mechanical hand; then the mechanical hand drives the chuck on the automatic clamping device to gradually approach the outside of the rim of the hub, at this time the driving cylinder starts to work, and the driving cylinder drives the sliding bases to move close to each other, so that the two clamp assemblies move close to each other, thereby clamping the rim of the hub. By arranging the guide rails, the path of the sliding base is fixed, so that the clamp assembly can reliably clamp the hub. Here, the rack and the transmission gear cooperate with each other, so that the moving pace of the two sliding bases is consistent, the clamping efficiency is higher, and the clamping is more reliable. At the same time, each driving cylinder drives each sliding base to move, so that the sliding base bears more force, the torque of the clamping assembly is larger, and the clamping effect is better; the cushion block is arranged below the driving cylinder, so as to avoid the interference between the rack and the driving cylinder. By arranging the open slot, the top plate of the sliding base is given a space, so that the sliding base can move smoothly and the top plate of the sliding base will not interfere with the installation box. Since the two clamp assemblies can move relative to each other, different sizes of hubs can be clamped and fixed, and the versatility is good.

[0011] As preferred, the top plate of the sliding base is provided with a pair of clamping assemblies, the clamping assembly comprises a hollow optical axis which is vertically installed on the top plate of the sliding base, the end of the hollow optical axis is provided with a fixed ring which is detachably connected with the hollow optical axis, the hollow optical axis is provided with a chuck and an elastic member which are installed in a sleeved manner, the chuck abuts against the fixed ring, one end of the elastic member abuts against the chuck, and the other end of the elastic member abuts against the top plate of the sliding base.

[0012] As preferred, the groove of the chuck is provided with a rubber ring which is clamped in the groove of the chuck, and the rubber ring and the chuck are coaxially arranged.

[0013] When the sliding base drives the clamping assembly to approach the hub, since each clamping assembly is arranged in pairs, the clamping assemblies on the left and right sides move synchronously with the sliding base, so that the chucks on the four clamping assemblies approach the hub synchronously, the rim of the hub is cylindrical, then the chucks press and contact the outer wall of the rim of the hub when the chucks are attached to the hub, and then the four chucks can clamp the hub by cooperation, the clamping effect is good, the outer ring of the chuck is provided with a rubber ring, so that the surface of the hub is prevented from being damaged by the chuck, the chuck can be extended and retracted relative to the hollow optical axis, and the chuck is pressed by the elastic member, when the part of the hub clamped by the chuck is upward or the hub slides downward after being clamped, the hub coating intelligent transfer line is opened, the bottom of the hub or the mounting disc surface may be in contact with the support, but the manipulator and the clamp have not been lowered to the position and the chuck has not been loosened, the manipulator and the clamp will continue to move downward while clamping the hub, at this time, the chuck can move upward by compressing the elastic member on the hollow optical axis, so as to avoid hard impact of the manipulator and the clamp and damage to the hub and the clamp. The manipulator herein is a multi-axis manipulator disclosed in the prior art, which is not shown in the drawing.

[0014] Compared with the prior art, the utility model has the advantages that: 1. the sliding base is moved by the driving cylinder, the transmission gear and the rack are arranged between the two sliding bases, so that the sliding base has better synchronism during movement and the clamping effect is better; 2. the sliding base adjacent to the driving cylinder is moved by the driving cylinder, the sliding base is subjected to uniform and large force, so that the clamping assembly has greater clamping force and better clamping effect; 3. the hub is clamped by the four clamping assemblies synchronously, the positioning effect is good and the clamping process is reliable; 4. the chuck can move upward by the elastic member, so as to avoid hard impact and damage to the hub and the clamp. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a perspective view of the utility model;

[0016] Fig. 2 It is a perspective view of the clamp positioning assembly cover body;

[0017] Fig. 3 It is an explosion view of the clamp positioning assembly;

[0018] Fig. 4 Schematic view of the assembly of the clamp seat assembly and the clamping assembly;

[0019] Marked in the figure: 1, main body base; 2, clamp positioning assembly; 21, installation box; 22, transmission gear; 23, guide rail; 24, cushion block; 25, open slot; 26, cover; 3, clamp seat assembly; 31, sliding base; 32, drive cylinder; 33, rack; 4, clamping assembly; 41, hollow light shaft; 42, fixing ring; 43, chuck; 44, elastic piece; 45, rubber ring. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the embodiments shown in the drawings:

[0021] As Figs. 1 to 4 shown, the embodiment discloses an automatic clamping device for hub coating intelligent line transfer, comprising a main body base 1, the main body base 1 is equipped with a plurality of clamp positioning assemblies 2 fixedly connected therewith, each clamp positioning assembly 2 is arranged side by side and adjacent; the clamp positioning assembly 2 includes installation box 21, and the installation box 21 is equipped with a pair of clamp seat assemblies 3 arranged in pairs in it, and the clamp seat assembly 3 includes sliding base 31 and drive cylinder 32, and the drive cylinder 32 moves the sliding base 31 relative to the installation box 21 when working; the sliding base 31 is equipped with a pair of clamping assemblies 4 arranged in pairs on it, and the two clamp seat assemblies 3 are equipped with transmission gear 22 between them.

[0022] Each clamp positioning assembly 2 is arranged side by side and adjacent, and each clamp positioning assembly 2 is arranged at the same horizontal height. The installation box 21 is equipped with a pair of guide rails 23 arranged in pairs in it, and the sliding base 31 is installed on the guide rail 23; the drive cylinder 32 is fixedly installed in the installation box 21, and the piston shaft of the drive cylinder 32 is fixedly connected with the sliding base 31; the two clamp seat assemblies 3 are arranged on the left and right sides of the installation box 21 respectively. The installation box 21 is equipped with cushion block 24, and the drive cylinder 32 is installed on the cushion block 24; the sliding base 31 is equipped with rack 33 fixedly connected therewith, and the bottom of the installation box 21 is equipped with transmission gear 22 rotatably connected therewith, and the rack 33 and the transmission gear 22 are engaged with each other; the clamp seat assemblies 3 are arranged in pairs, and the two racks 33 are arranged on the two sides of the transmission gear 22 respectively. The cushion block 24 is arranged higher than the rack 33, and the rack 33 and the guide rail 23 are arranged in parallel with each other; the end of the rack 33 close to the transmission gear 22 extends to the bottom of the drive cylinder 32. The sliding base 31 extends to the outside of the installation box 21, and the side wall of the installation box 21 is equipped with open slot 25; the top plate of the sliding base 31 passes out from the open slot 25; the installation box 21 is equipped with cover 26 detachably connected therewith.

[0023] The top plate of the sliding base 31 is provided with a pair of clamping assemblies 4, which include a hollow light shaft 41 vertically installed on the top plate of the sliding base 31; the end of the hollow light shaft 41 is provided with a fixed ring 42 detachably connected thereto, and a chuck 43 and an elastic member 44 are installed on the hollow light shaft 41 in a sleeved manner; the chuck 43 abuts against the fixed ring 42, one end of the elastic member 44 abuts against the chuck 43, and the other end of the elastic member 44 abuts against the top plate of the sliding base 31. A rubber ring 45 is arranged in the groove of the chuck 43, and the rubber ring 45 is clamped in the groove of the chuck 43; the rubber ring 45 and the chuck 43 are coaxially arranged.

[0024] The specific operation process of the embodiment is as follows: when the hub that needs to be clamped and positioned during the rotation sequence process is conveyed to a specific position through a roller conveying line or a suspension chain, the mechanical hand drives the automatic clamping device to move integrally to the front of the hub; the mechanical hand is a multi-axis mechanical hand; then the mechanical hand drives the chuck 43 on the automatic clamping device to gradually approach the outer side of the rim part of the hub; at this time, the driving cylinder 32 starts to work, and the driving cylinder 32 drives the sliding base 31 to move close to each other, so that the two clamping assemblies 4 move close to each other, thereby clamping the rim part of the hub. By arranging the guide rail 23, the path of the sliding base 31 is fixed, so that the clamping assembly 4 can reliably clamp the hub. Here, the rack 33 and the transmission gear 22 cooperate with each other, so that the moving pace of the two sliding bases 31 remains consistent, the clamping efficiency is higher, and the clamping is more reliable. At the same time, each driving cylinder 32 drives each sliding base 31 to move, so that the sliding base 31 bears more force, the torque of the clamping assembly 4 is larger, and the clamping effect is better; the cushion block 24 is arranged below the driving cylinder 32, so as to avoid the interference between the rack 33 and the driving cylinder 32. Since the two clamping assemblies 4 can move relative to each other, different sizes of hubs can be clamped and fixed, and the versatility is good.

[0025] When the sliding base 31 drives the clamping assembly 4 to approach the hub, because each clamping assembly 4 is arranged in pairs, the left and right clamping assemblies 4 move synchronously with the sliding base 31; in this way, the chucks 43 on the four clamping assemblies 4 approach the hub synchronously, and the rim of the hub is cylindrical; then the chucks 43 will extrude and contact the outer wall of the rim of the hub when they are attached to the hub, so that the four chucks 43 can clamp the hub in cooperation, and the clamping effect is good; the outer ring of the chuck 43 is provided with a rubber ring 45, so as to avoid damage to the surface of the hub by the chuck 43; the chuck 43 can be extended and retracted relative to the hollow optical shaft 41, and the chuck 43 is extruded by the elastic member 44; when the part of the hub clamped by the chuck 43 is above or the hub slides downward after being clamped, the hub coating intelligent transfer line may be opened, and the bottom of the hub or the mounting disc surface may have contacted the support, but the manipulator and the clamp have not been lowered to the position and the chuck 43 has not been loosened, and the manipulator and the clamp will continue to move downward while clamping the hub; at this time, the chuck 43 can be compressed on the hollow optical shaft 41 to move upward, so as to avoid hard impact of the manipulator and the clamp to cause damage to the hub and the clamp. The manipulator herein is a multi-axis manipulator disclosed in the prior art, which is not shown in the drawings.

[0026] The specific embodiments described in the present application are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

Claims

1. An automatic gripping device for wheel hub coating intelligent transfer line, comprising a main body base (1), characterized in that, The main base (1) is provided with a plurality of clamp positioning assemblies (2) fixedly connected thereto, each of the clamp positioning assemblies (2) is arranged side by side and adjacent to each other; the clamp positioning assembly (2) comprises a mounting box (21), a pair of clamp seat assemblies (3) are arranged in the mounting box (21), the clamp seat assembly (3) comprises a sliding base (31) and a driving cylinder (32), the driving cylinder (32) drives the sliding base (31) to move relative to the mounting box (21) when working; a pair of clamping assemblies (4) are arranged on the sliding base (31), and a transmission gear (22) is arranged between the two clamp seat assemblies (3).

2. The automatic clamping device for hub coating intelligent transfer line according to claim 1, characterized in that, Each of the clamp positioning assemblies (2) is arranged side by side and adjacent to each other, and each of the clamp positioning assemblies (2) is arranged at the same horizontal height.

3. The automatic gripping device for wheel hub coating intelligent transfer line according to claim 1, characterized in that, A pair of guide rails (23) are arranged in the mounting box (21), and the sliding base (31) is mounted on the guide rails (23); the driving cylinder (32) is fixedly mounted in the mounting box (21), and a piston shaft of the driving cylinder (32) is fixedly connected with the sliding base (31); the two clamp seat assemblies (3) are arranged on the left and right sides of the mounting box (21) respectively.

4. The automatic clamping device for wheel hub coating intelligent transfer line according to claim 3, characterized in that, A cushion block (24) is arranged in the mounting box (21), and the driving cylinder (32) is mounted on the cushion block (24); a rack (33) is fixedly connected with the sliding base (31), a bottom of the mounting box (21) is rotatably connected with the transmission gear (22), and the rack (33) and the transmission gear (22) are in meshing connection; the clamp seat assemblies (3) are arranged in pairs, and the two racks (33) are arranged on the two sides of the transmission gear (22) respectively.

5. The automatic gripping device for wheel hub coating intelligent transfer line according to claim 4, characterized in that, The cushion block (24) is arranged higher than the rack (33), and the rack (33) and the guide rail (23) are arranged in parallel with each other; an end of the rack (33) close to the transmission gear (22) extends to the bottom of the driving cylinder (32).

6. The automatic gripping device for wheel hub coating intelligent transfer line according to claim 3, characterized in that, The sliding base (31) extends to the outside of the mounting box (21), and a sidewall of the mounting box (21) is provided with an open slot (25); a top plate of the sliding base (31) passes through the open slot (25); and a cover (26) is detachably connected with the mounting box (21).

7. The automatic gripping device for hub coating intelligent transfer line according to claim 1, characterized in that, A pair of clamping assemblies (4) are arranged on the top plate of the sliding base (31), the clamping assembly (4) comprises a hollow light shaft (41) which is vertically mounted on the top plate of the sliding base (31); a fixing ring (42) is detachably connected with an end of the hollow light shaft (41), a chuck (43) and an elastic member (44) are sleeved and mounted on the hollow light shaft (41); the chuck (43) abuts against the fixing ring (42), one end of the elastic member (44) abuts against the chuck (43), and the other end of the elastic member (44) abuts against the top plate of the sliding base (31).

8. The automatic gripping device for wheel hub coating intelligent transfer line according to claim 7, characterized in that, A rubber ring (45) is arranged in the groove of the chuck (43), and the rubber ring (45) is clamped in the groove of the chuck (43); the rubber ring (45) and the chuck (43) are coaxially arranged.

Citation Information

Patent Citations

  • Automobile hub clamp

    CN110202504A