PU wheel assembly tool
By designing hub feeding components, tire feeding components, and guide mold feeding components, and combining them with mechanical grippers and extrusion components, automated assembly of PU wheels was achieved. This solved the problem of low automation in manual feeding in existing technologies, and improved assembly efficiency and safety.
Patent Information
- Application Number
- CN202520301992.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Existing PU wheel assembly fixtures require manual loading and have a low degree of automation.
A PU wheel assembly fixture was designed, comprising a hub loading assembly, a tire loading assembly, and a guide mold loading assembly. The fixture utilizes a mechanical gripper and an extrusion assembly to automate the assembly of the tire and the hub. The mechanical gripper picks up the hub, tire, and guide mold, and the extrusion mold is used to assemble the tire onto the hub.
It enables automated assembly of tires and rims, improving assembly efficiency, reducing manual labor, and enhancing the safety of the assembly process.
Smart Images

Figure CN223850032U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PU wheel technical field, specifically is a kind of PU wheel assembly tool. BACKGROUND
[0002] PU wheel is also called PU perfusion wheel: strictly speaking, PU is also a kind of plastic, just increase additive in production process, so leading to more superior performance, of course, production cost also increases, PU wheel features: elasticity can play certain damping effect, good grip, not easy to slip, more wear-resistant, comfortable performance is good, is widely used, PU wheel includes wheel hub and tire, when assembling, tire is sleeved on the outer surface of wheel hub by extrusion, but the existing PU wheel assembly tool needs manual feeding, and the degree of automation is low. SUMMARY
[0003] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a PU wheel assembly tool.
[0004] A PU wheel assembly tool, comprising a workbench, the three directions of the workbench are provided with a wheel hub feeding assembly, a tire feeding assembly and a guide die feeding assembly respectively, the wheel hub feeding assembly, the tire feeding assembly and the guide die feeding assembly all comprise mechanical grippers for grabbing the wheel hub, the tire and the guide die respectively, and the workbench is further provided with an extrusion assembly, the extrusion assembly comprises an extrusion die, and the extrusion die assembles the tire on the wheel hub by moving downward.
[0005] Further, the top of the mechanical gripper is installed on a sliding frame, the sliding frame is connected with the output end of a lifting cylinder, the lifting cylinder is installed on a mounting bracket, the sliding frame is slidingly connected with the mounting bracket, the mounting bracket is slidingly connected with a guide rail, the mounting bracket is cooperatively connected with a moving screw rod on the guide rail, one end of the moving screw rod is connected with a feeding motor, the feeding motor is installed on the guide rail, the guide rail is connected with a sliding block, the sliding block is slidingly connected with the top of a supporting bracket, and the sliding block is connected with a moving cylinder installed on the supporting bracket.
[0006] Further, the wheel hub feeding assembly and the tire feeding assembly further respectively comprise a stacking frame for placing the wheel hub and the tire, the stacking frame comprises a supporting frame, the wheel hub and the tire are placed on the supporting frame, the supporting frame is slidingly connected with a vertical column, a lifting screw rod is installed on the vertical column, the supporting frame is cooperatively connected with the lifting screw rod, and the lifting screw rod is connected with a driving motor installed in a base.
[0007] Further, a positioning cylinder is arranged on the lower end face of the workbench, the output end of the positioning cylinder is connected with a positioning column, the diameter of the positioning column is adapted to the inner diameter of the wheel hub, and the positioning column is moved out of the upper end face of the workbench and retracted into the workbench by lifting.
[0008] Further, the center axis of the extrusion die is provided with an extrusion hole allowing the guide die to pass through, the top of the extrusion die is provided with a mounting cover connected with a multi-stage telescopic cylinder, the multi-stage telescopic cylinder is mounted on a moving frame, the bottom of the moving frame is in sliding connection with a workbench, the workbench is provided with a horizontal lead screw in cooperation with the moving frame, and one end of the horizontal lead screw is in cooperation with a rotary motor mounted on the workbench.
[0009] Further, the workbench is further provided with a blanking cylinder, the output end of the blanking cylinder is connected with a V-shaped push plate, and the workbench is provided with a conveying belt on one side of the blanking position.
[0010] Further, the base is provided with a plurality of limiting columns distributed in a circular manner, and the plurality of limiting columns are used for positioning the wheel hub and the tire by abutting against the wheel hub and the edge of the tire.
[0011] Further, the supporting frame is provided with an oblong hole allowing the limiting column to pass through and adjust the position.
[0012] With the above technical scheme, the beneficial technical effects of the utility model are as follows: in the utility model, the wheel hub loading assembly first places the wheel hub on the common workbench through the mechanical gripper, then the guide die loading assembly places the guide die above the wheel hub, the tire loading assembly places the tire above the guide die, and the extrusion die of the extrusion assembly extrudes the tire downward, so that the tire and the wheel hub are assembled together; the automatic assembly degree of the tire and the wheel hub is high, the automatic loading of the wheel hub and the tire can be realized, the labor in the assembly process is reduced, and the safety degree is high. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a structure schematic view of the PU wheel assembly tool of the utility model;
[0014] Figure 2 It is a front view of the PU wheel assembly tool of the utility model;
[0015] Figure 3 It is a top view of the PU wheel assembly tool of the utility model;
[0016] Figure 4 It is a mounting structure schematic view of the mechanical gripper in the utility model Figure 1 ;
[0017] Figure 5 It is a mounting structure schematic view of the mechanical gripper in the utility model Figure 2 ;
[0018] Figure 6 It is a schematic view of the mechanical gripper grabbing the guide die in the utility model;
[0019] Figure 7 It is the structure schematic view of the extrusion assembly in the utility model;
[0020] Figure 8 It is the top view of the extrusion assembly in the utility model;
[0021] Figure 9 It is the structure schematic view of the utility model Figure 8 It is the sectional structure schematic view of A-A direction in the utility model;
[0022] Figure 10 It is the installation structure schematic view of the push plate in the utility model;
[0023] Figure 11 It is the structure schematic view of the stacking frame in the utility model.
[0024] In the drawing, 1, workbench, 2, mechanical gripper, 3, extrusion die, 4, sliding frame, 5, lifting cylinder, 6, mounting frame, 7, guide rail, 8, moving screw, 9, feeding motor, 10, sliding block, 11, support frame, 12, moving cylinder, 13, wheel hub, 14, tire, 15, guide die, 16, supporting frame, 17, stand, 18, lifting screw, 19, base, 20, positioning cylinder, 21, positioning column, 22, extrusion hole, 23, mounting cover, 24, multi-stage telescopic cylinder, 25, moving frame, 26, horizontal screw, 27, rotating motor, 28, discharging cylinder, 29, push plate, 30, conveying belt, 31, limiting column, 32, long circular hole, 200, wheel hub feeding assembly, 300, tire feeding assembly, 400, guide die feeding assembly, 500, extrusion assembly. DETAILED DESCRIPTION
[0025] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in conjunction with the drawings. Obviously, the drawings described below are only one embodiment of the utility model, and for those skilled in the art, other embodiments can be obtained according to the drawings and the embodiment without creative labor, which all belong to the protection scope of the utility model.
[0026] According to Figures 1-11 As shown in the figure, a PU wheel assembly tool includes a workbench 1, the three directions of the workbench 1 are respectively provided with a wheel hub feeding assembly 200, a tire feeding assembly 300 and a guide die feeding assembly 400, the wheel hub feeding assembly 200, the tire feeding assembly 300 and the guide die feeding assembly 400 all include mechanical grippers 2 respectively used for grabbing wheel hubs 13, tires 14 and guide dies 15, the workbench 1 is also provided with an extrusion assembly 500, the extrusion assembly 500 includes an extrusion die 3, the extrusion die 3 assembles the tire 14 on the wheel hub 13 by moving downward.
[0027] In the above specific technical scheme, the wheel hub loading assembly 200 first places the wheel hub 13 on the common workbench 1 through the mechanical gripper 2, then the guide mold loading assembly 400 places the guide mold 15 above the wheel hub 13, the tire loading assembly 300 places the tire 14 above the guide mold 15, and the tire 14 is pressed downward by the extrusion mold 3 of the extrusion assembly 500, so that the tire 14 and the wheel hub 13 are assembled together. The automatic assembly degree of the tire 14 and the wheel hub 13 is high, the automatic loading of the wheel hub 13 and the tire 14 can be carried out, the labor in the assembly process is reduced, and the safety degree is high.
[0028] It is worth noting that the mechanical gripper 2 controls the gripper to grab and release the wheel hub 13, the tire 14 and the guide mold 15 through the cylinder, wherein the structure of the mechanical gripper 2 is prior art, and the specific structure of the mechanical gripper 2 will not be described here.
[0029] Preferably, the top of the guide mold 15 is provided with a grabbing part, which is convenient for the mechanical hand to grab, and the grabbing part is provided with a pattern, and the lower part of the grabbing part is a columnar structure, the diameter of the top of the columnar structure is larger than that of the bottom, which is convenient for the tire 14 to be assembled with the wheel hub 13 through the guide mold 15.
[0030] The top of the mechanical gripper 2 is installed on the sliding frame 4, the sliding frame 4 is connected with the output end of the lifting cylinder 5, the lifting cylinder 5 is installed on the mounting frame 6, the sliding frame 4 is slidingly connected with the mounting frame 6, the mounting frame 6 is slidingly connected with the guide rail 7, the mounting frame 6 is cooperatively connected with the moving lead screw 8 on the guide rail 7, one end of the moving lead screw 8 is connected with the loading motor 9, the loading motor 9 is installed on the guide rail 7, the guide rail 7 is connected with the sliding block 10, the sliding block 10 is slidingly connected with the top of the support frame 11, the sliding block 10 is connected with the moving cylinder 12 installed on the support frame 11. The mechanical gripper 2 is moved in the vertical direction by the lifting cylinder 5, so as to adjust the height of the wheel hub 13, the tire 14 and the guide mold 15 grabbing and placing, and the horizontal position of the wheel hub 13, the tire 14 and the guide mold 15 grabbing and placing is adjusted by starting the loading motor 9 and the moving cylinder 12.
[0031] The hub loading assembly 200 and the tire loading assembly 300 also respectively include a stacking frame for placing the hub 13 and the tire 14, the stacking frame includes a supporting frame 16, the hub 13 and the tire 14 are placed on the supporting frame 16, the supporting frame 16 is slidingly connected with a stand column 17, a lifting lead screw 18 is installed on the stand column 17, the supporting frame 16 is cooperatively connected with the lifting lead screw 18, the lifting lead screw 18 is connected with a driving motor installed in a base 19, the stacking frame realizes the ordered loading of the hub 13 and the tire 14, when the loading of the hub 13 and the tire 14 at the topmost position is completed, the supporting frame 16 moves upward by a certain distance, thereby realizing the accurate grabbing of the mechanical hand.
[0032] A positioning cylinder 20 is arranged on the lower end surface of the workbench 1, the output end of the positioning cylinder 20 is connected with a positioning column 21, the diameter of the positioning column 21 is adapted to the inner diameter of the hub 13, the positioning column 21 is lifted to extend out of the upper end surface of the workbench 1 and to retract into the workbench 1, the hub 13 is placed in front of the workbench 1, the positioning cylinder 20 is started to drive the positioning column 21 to move upward and extend out of the workbench 1, then the hub 13 is placed to be sleeved on the outer wall of the positioning column 21, when the assembly of the hub 13 and the tire 14 is completed, the positioning column 21 moves downward to retract into the workbench 1, the positioning column 21 can prevent the hub 13 from moving during the assembly of the hub 13 and the tire 14, which is beneficial to ensuring the accurate assembly of the hub 13 and the tire 14.
[0033] An extrusion die 3 is arranged on the center axis of the workbench 1, the extrusion die 3 is connected with a guide die 15, the extrusion die 3 is cooperatively connected with a movable frame 25, the movable frame 25 is slidingly connected with a horizontal lead screw 26, the horizontal lead screw 26 is cooperatively connected with a rotating motor 27 installed on the workbench 1, the extrusion die 3 is lifted to push the tire 14 to move downward, thereby realizing the assembly of the hub 13 and the tire 14, preferably, the extrusion die 3 is made of flexible material to reduce the damage to the tire 14, the rotating motor 27 is started to drive the extrusion die 3 to move in the horizontal direction, thereby preventing the pressing assembly from interfering with the normal loading work.
[0034] A discharging cylinder 28 is arranged on the workbench 1, the output end of the discharging cylinder 28 is connected with a V-shaped push plate 29, a conveying belt 30 is arranged on one side of the workbench 1 at the discharging position, after the assembly of the hub 13 and the tire 14 is completed, the guide die 15 is grabbed and moved away by the mechanical hand 2 of the guide die 15 assembly, then the discharging cylinder 28 is started to push the assembled product to the conveying belt 30, thereby completing the discharging.
[0035] The base 19 is provided with a plurality of limiting columns 31 distributed in a circular shape, and the plurality of limiting columns 31 position the wheel hub 13 and the tire 14 by abutting against the wheel hub 13 and the edge of the tire 14.
[0036] The supporting frame 16 is provided with an oblong hole 32 allowing the limiting column 31 to pass through and adjust the position.
[0037] In the above technical scheme, the tire 14 and the wheel hub 13 are conveniently stacked, thereby ensuring convenient feeding of the tire 14 and the wheel hub 13, and the position of the limiting column 31 can be adjusted according to the diameter of the tire 14 and the wheel hub 13, and the applicability of the device is strong.
[0038] The above embodiments are only exemplary embodiments of the present application and are not used to limit the present application, and the protection scope of the present application is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present application within the spirit and protection scope of the present application, and such modifications or equivalent replacements should also be considered to fall within the protection scope of the present application.
Claims
1. A PU wheel assembly jig comprising a worktable (1), characterized in that, The three direction sides of the workbench (1) are respectively provided with a wheel hub feeding assembly (200), a tire feeding assembly (300) and a guide mold feeding assembly (400), the wheel hub feeding assembly (200), the tire feeding assembly (300) and the guide mold feeding assembly (400) all comprise a mechanical gripper (2) for grabbing a wheel hub (13), a tire (14) and a guide mold (15) respectively, and the workbench (1) is further provided with an extrusion assembly (500), the extrusion assembly (500) comprises an extrusion die (3), and the extrusion die (3) assembles the tire (14) on the wheel hub (13) by moving downward.
2. The PU wheel assembly tool of claim 1, wherein, The top of the mechanical gripper (2) is mounted on a sliding frame (4), the sliding frame (4) is connected with the output end of a lifting cylinder (5), the lifting cylinder (5) is mounted on a mounting frame (6), the sliding frame (4) is in sliding connection with the mounting frame (6), the mounting frame (6) is in sliding connection with a guide rail (7), the mounting frame (6) is in matched connection with a moving lead screw (8) on the guide rail (7), one end of the moving lead screw (8) is connected with a feeding motor (9), the feeding motor (9) is mounted on the guide rail (7), the guide rail (7) is connected with a sliding block (10), the sliding block (10) is in sliding connection with the top of a support frame (11), and the sliding block (10) is connected with a moving cylinder (12) mounted on the support frame (11).
3. The PU wheel assembly tool of claim 1, wherein, The wheel hub feeding assembly (200) and the tire feeding assembly (300) further comprise a stacking frame for placing the wheel hub (13) and the tire (14) respectively, the stacking frame comprises a supporting frame (16), the wheel hub (13) and the tire (14) are placed on the supporting frame (16), the supporting frame (16) is in sliding connection with a vertical column (17), a lifting lead screw (18) is mounted on the vertical column (17), the supporting frame (16) is in matched connection with the lifting lead screw (18), and the lifting lead screw (18) is connected with a driving motor mounted in a base (19).
4. The PU wheel assembly tool of claim 2, wherein, A positioning cylinder (20) is arranged on the lower end face of the workbench (1), the output end of the positioning cylinder (20) is connected with a positioning column (21), the diameter of the positioning column (21) is adapted to the inner diameter of the wheel hub (13), and the positioning column (21) is moved to extend out of the upper end face of the workbench (1) and retract into the workbench (1) by lifting.
5. The PU wheel assembly tool of claim 1, wherein, A extrusion hole (22) allowing the guide mold (15) to pass through is arranged at the central axis of the extrusion die (3), a mounting cover (23) is arranged at the top of the extrusion die (3), the mounting cover (23) is connected with a multi-stage telescopic cylinder (24), the multi-stage telescopic cylinder (24) is mounted on a moving frame (25), the bottom of the moving frame (25) is in sliding connection with the workbench (1), a horizontal lead screw (26) is arranged on the workbench (1), the horizontal lead screw (26) is in matched connection with the moving frame (25), and one end of the horizontal lead screw (26) is in matched connection with a rotating motor (27) mounted on the workbench (1).
6. The PU wheel assembly tool of claim 5, wherein, The workbench (1) is further provided with a discharging cylinder (28), the output end of the discharging cylinder (28) is connected with a V-shaped push plate (29), and a conveying belt (30) is arranged on one side of the workbench (1) at the discharging position.
7. The PU wheel assembly tool of claim 3, wherein, The base (19) is provided with a plurality of limiting columns (31) which are circularly distributed, and the plurality of limiting columns (31) position the wheel hub (13) and the tire (14) by abutting against the edges of the wheel hub (13) and the tire (14).
8. The PU wheel assembly tool of claim 3, wherein, The supporting frame (16) is provided with an oblong hole (32) which allows the limiting column (31) to pass through and adjust the position.