Handcart spoke positioning tool

Abstract

The trolley spoke positioning tool comprises a working box, a rotating disc is movably installed at the upper end of the working box, an air expansion shaft is fixedly installed in the middle of the upper end of the rotating disc, the outer side of the air expansion shaft is used for clamping a wheel assembly, and a sliding rail is fixedly installed on the outer side of the right end of the working box. According to the wheel assembly welding device, the installation pipe of the wheel assembly is placed on the outer side of the air expansion shaft, air supply expansion is conducted on the air expansion shaft through the air pump, the installation pipe is fixed, then the needed spokes are placed in the containing grooves, two sets of wheel rims are stacked on the outer sides of the spokes, and then the spokes and the inner sides of the wheel rims are welded manually. Then the first motor is started to adjust the left-right position of the welding head, the telescopic device is started to adjust the up-down position of the welding head, so that the welding head is aligned to a gap between the two wheel rims, then the second motor is started to drive the rotary disc to rotate, the welding head is assisted in welding the wheel rims, and machining of the whole trolley spoke is integrally completed.

Description

Technical Field

[0001] This utility model relates to the field of wheel spoke positioning technology, and in particular to a wheel spoke positioning tool for a hand-operated wheel. Background Technology

[0002] Wheel spokes are devices that protect the rims and spokes of a vehicle wheel. They are characterized by a pair of circular covers with a diameter similar to that of the rim. The center of the cover has a hole larger than the wheel's pivot point, and there are openings near the edges of the cover. The edges of the cover have annular wheel plates, and the curved surfaces of the wheel plates can fit tightly against the curved surfaces of the rim.

[0003] In the welding of wheel spokes using existing technology, there is generally a lack of automatic positioning and clamping structures, which affects the processing efficiency of wheel spokes. Utility Model Content

[0004] In order to overcome the above-mentioned defects in the prior art, this utility model provides a hand-operated wheel spoke positioning fixture.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a hand-operated wheel spoke positioning fixture, including a work box, a turntable movably installed at the upper end of the work box, an air shaft fixedly installed at the middle of the upper end of the turntable, the outer side of the air shaft for clamping wheel assemblies, a slide rail fixedly installed at the outer right end of the work box, a slider slidably installed at the upper end of the slide rail, a telescopic device fixedly installed at the upper end of the slider, a welding device fixedly installed at the telescopic end of the telescopic device, and a welding head connected to the left side of the welding device.

[0006] Furthermore, a second motor is fixedly installed in the hollow interior of the work box, a first bevel gear is fixedly connected to the power output shaft of the second motor, a second bevel gear is fitted to the upper end of the first bevel gear, an installation shaft is fixedly installed to the upper end of the second bevel gear, and an air shaft is fixedly installed to the upper end of the installation shaft.

[0007] Furthermore, a set of air supply pipes is fixedly connected to the lower end of the air shaft, and the air supply pipes pass through the external air pump connected to the mounting shaft.

[0008] Furthermore, the wheel assembly includes a mounting tube that is sleeved on the outside of the air shaft, and the inner side of the mounting tube is connected to two sets of wheel rims via spokes.

[0009] Furthermore, a first motor is fixedly installed on the rear side of the slider, a reducer is fixedly connected to the power output shaft of the first motor, a rotating shaft is fixedly connected to the front side of the reducer, the rotating shaft is movably installed inside the slider, a gear is fixedly installed at the end of the rotating shaft, a rack is fitted at the lower end of the gear, and the rack is fixedly installed at the upper end of the slide rail.

[0010] Furthermore, a number of placement blocks are provided at the upper end of the turntable corresponding to the position of the spokes, and the placement blocks are provided with placement grooves, in which spokes are placed.

[0011] The beneficial effects of this utility model are as follows: by placing the mounting tube of the wheel assembly outside the air shaft, and supplying air to the air shaft to expand it through an air pump to fix the mounting tube, the required spokes are then placed in the placement groove, and two sets of wheel rims are stacked on the outside of the spokes. Then, the spokes and the inner side of the wheel rims are manually welded. Then, the first motor is started to adjust the left and right position of the welding head, and the telescopic device is started to adjust the up and down position of the welding head so that the welding head is aligned with the gap between the two sets of wheel rims. Then, the second motor is started to drive the turntable to rotate, assisting the welding head in welding the wheel rims. The overall processing of the wheel spokes of the hand-pushed wheel is completed. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0013] Figure 1 This is the front view of the present invention;

[0014] Figure 2 This is a schematic diagram of the slider part of this utility model;

[0015] Figure 3 This is a top view of the present invention;

[0016] Figure 4 This is a schematic diagram of the spokes of this utility model.

[0017] In the diagram: 1. Working box, 2. Slide rail, 3. Rack, 4. Gear, 5. Slider, 6. First motor, 7. Reducer, 8. Rotating shaft, 9. Telescopic device, 10. Fixed plate, 11. Welding device, 12. Welding head, 13. Second motor, 14. First bevel gear, 15. Second bevel gear, 16. Mounting shaft, 17. Air supply pipe, 18. Air expansion shaft, 19. Wheel rim, 20. Mounting pipe, 21. Spoke, 22. Turntable, 23. Placement block, 24. Placement slot. Detailed Implementation

[0018] To more clearly illustrate the technical solution of this utility model, the following description is made in conjunction with the accompanying drawings. Obviously, the drawings described below are only one embodiment of this utility model. For those skilled in the art, other embodiments can be obtained based on these drawings and embodiments without creative effort, and all of them fall within the protection scope of this utility model.

[0019] like Figure 1As shown, this utility model includes a work box 1, with a turntable 22 movably mounted on the upper end of the work box 1. An air shaft 18 is fixedly mounted on the middle of the upper end of the turntable 22. A second motor 13 is fixedly mounted in the hollow interior of the work box 1 by bolts. A first bevel gear 14 is fixedly connected to the power output shaft of the second motor 13. A second bevel gear 15 is meshed on the upper end of the first bevel gear 14. An installation shaft 16 is fixedly mounted on the upper end of the second bevel gear 15. An air shaft 18 is fixedly mounted on the upper end of the installation shaft 16. A set of air supply pipes 17 is fixedly connected to the lower end of the air shaft 18. The air supply pipes 17 pass through the installation shaft 16 and are connected to an external air pump. The outer side of the air shaft 18 is used to clamp a wheel assembly.

[0020] like Figure 1 and Figure 4 As shown, the wheel assembly includes a mounting tube 20, which is sleeved on the outside of the air shaft 18, and the inner side of the mounting tube 20 is connected to two sets of wheel rims 19 via spokes 21.

[0021] like Figure 1 and Figure 2 As shown, a slide rail 2 is fixedly installed on the outer right side of the work box 1. A slider 5 is slidably installed on the upper end of the slide rail 2. A first motor 6 is fixedly installed on the rear side of the slider 5 by bolts. A reducer 7 is fixedly connected to the power output shaft of the first motor 6. A rotating shaft 8 is fixedly connected to the front side of the reducer 7. The rotating shaft 8 is movably installed inside the slider 5. A gear 4 is fixedly installed at the end of the rotating shaft 8. A rack 3 is fitted at the lower end of the gear 4. The rack 3 is fixedly installed on the upper end of the slide rail 2. A telescopic device 9 is fixedly installed on the upper end of the slider 5. A welding device 11 is fixedly installed on the telescopic end of the telescopic device 9. A welding head 12 is connected to the left side of the welding device 11.

[0022] like Figure 3 As shown, a number of placement blocks 23 are provided at the upper end of the turntable 22 corresponding to the position of the spokes 21. The placement blocks 23 are provided with placement grooves 24, and the spokes 21 are placed in the placement grooves 24.

[0023] In use, this utility model involves placing the mounting tube 20 of the wheel assembly outside the air shaft 18, and using an air pump to supply air to the air shaft 18 to expand it, thus fixing the mounting tube 20. Then, the required spokes 21 are placed in the placement groove 24, and two sets of wheel rims 19 are stacked on the outside of the spokes 21. The spokes 21 and the inner sides of the wheel rims 19 are then manually welded. The first motor 6 is started to adjust the left and right position of the welding head 12, and the telescopic device 9 is started to adjust the up and down position of the welding head 12 so that the welding head 12 is aligned with the gap between the two sets of wheel rims 19. Then, the second motor 13 is started to drive the turntable 22 to rotate, assisting the welding head 12 in welding the wheel rims 19. This completes the overall processing of the wheel spokes of the hand-operated wheel.

[0024] The above embodiments are merely exemplary embodiments of the present utility model and are not intended to limit the present utility model. The scope of protection of the present utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent substitutions to the present utility model within its substance and scope of protection, and such modifications or equivalent substitutions should also be considered to fall within the scope of protection of the present utility model.

Claims

1. A handcart spoke positioning tool comprising a workbox (1), characterised in that: The upper end of the working box (1) is movably installed with a rotating disc (22), the upper end of the rotating disc (22) is movably installed with a gas expansion shaft (18), the outer side of the gas expansion shaft (18) is used for clamping a wheel assembly, the right end of the working box (1) is movably installed with a slide rail (2), the upper end of the slide rail (2) is movably installed with a sliding block (5), the upper end of the sliding block (5) is movably installed with a telescopic device (9), the telescopic end of the telescopic device (9) is movably installed with a welding device (11), the left side of the welding device (11) is connected with a welding head (12).

2. A wheel spoke positioning tool as claimed in claim 1, wherein, The inside of the working box (1) is movably installed with a second motor (13), the power output shaft of the second motor (13) is movably connected with a first bevel gear (14), the upper end of the first bevel gear (14) is movably installed with a second bevel gear (15), the upper end of the second bevel gear (15) is movably installed with a mounting shaft (16), the upper end of the mounting shaft (16) is movably installed with a gas expansion shaft (18).

3. A wheel spoke positioning tool as claimed in claim 2, wherein, The lower end of the gas expansion shaft (18) is movably connected with a group of gas supply pipes (17), the gas supply pipes (17) pass through the mounting shaft (16) and are connected with a gas pump.

4. The wheel spoke positioning tool of claim 1, wherein, The wheel assembly comprises a mounting pipe (20), the mounting pipe (20) is sleeved on the outer side of the gas expansion shaft (18), the inner side of the mounting pipe (20) is connected with two groups of rims (19) through spokes (21).

5. A wheel spoke positioning tool as defined in claim 1 wherein, The rear side of the sliding block (5) is movably installed with a first motor (6), the power output shaft of the first motor (6) is movably connected with a speed reducer (7), the front side of the speed reducer (7) is movably connected with a rotating shaft (8), the rotating shaft (8) is movably installed in the sliding block (5), the end of the rotating shaft (8) is movably installed with a gear (4), the lower end of the gear (4) is movably installed with a rack (3), the rack (3) is movably installed on the upper end of the slide rail (2).

6. A wheel spoke positioning tool as defined in claim 4 wherein, The upper end of the rotating disc (22) is provided with a plurality of groups of placing blocks (23) corresponding to the positions of the spokes (21), the placing blocks (23) are provided with placing grooves (24), and the spokes (21) are placed in the placing grooves (24).

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