Clamp for polishing outer ring of hub

Abstract

The utility model belongs to the technical field of hub outer ring polishing, and particularly relates to a hub outer ring polishing clamp which is characterized in that a transmission sliding groove is formed in a workbench, a transmission lead screw is rotatably installed in the transmission sliding groove, a first motor support is arranged on the outer side of the transmission sliding groove, a transmission motor is installed on the first motor support, and a second motor is installed on the transmission motor. The output end of the transmission motor is fixedly connected with the transmission lead screw, a sliding block is arranged in the transmission sliding groove in a sliding mode, a threaded hole is formed in the sliding block, the transmission lead screw rotationally penetrates through the threaded hole in the sliding block, and the two sides of the transmission lead screw are each provided with a positioning rod in parallel. The fixing rod can tightly abut against the inner wall of the hub by rotating the two-way lead screw, the outer end of the fixing rod is of a concave-convex structure, friction between the fixing rod and the inner wall of the hub is increased, and therefore the hub is prevented from loosening. And through the design of the two-way lead screw and the fixing rod, hubs of different sizes can be fixed, and the practicability of the clamp can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of hub outer ring polishing, and specifically relates to a clamp for hub outer ring polishing. BACKGROUND

[0002] The clamp for hub outer ring polishing is a tool specially designed for hub outer ring polishing, which can firmly clamp the hub to ensure that the hub does not move or shake during polishing and can also ensure the accuracy and consistency of polishing.

[0003] The specific design and structure of the clamp for hub outer ring polishing may vary depending on different manufacturers and application requirements, but generally, they include the following key parts: a base, a center rod, and a support table, etc. The base is the basic part of the clamp, usually made of metal material, used to support the structure of the entire clamp. The shape and size of the base are designed according to the specific size and shape of the hub to ensure the stability and applicability of the clamp. The center rod is connected to the middle of the upper end face of the base, serving as a support and positioning function. The design of the center rod ensures the stability and accuracy of the hub during processing. The support table is located at the top end of the center rod, used to support specific parts of the hub. The upper end face of the support table is provided with a positioning pin to ensure the accurate position of the hub during processing.

[0004] The existing clamp for hub outer ring polishing has certain drawbacks when in use. Different sizes of hubs require different clamps, and frequent replacement of clamps will affect the working efficiency of the polishing device. During the unloading process of the existing clamp for hub outer ring polishing, there may be relative friction between the clamp and the hub, which can easily cause scratches on the surface of the hub outer ring, affecting the appearance quality of the hub. Especially for hubs that have been polished, the surface is smoother and more prone to scratches. To address the above problems, a clamp for hub outer ring polishing is proposed. SUMMARY

[0005] In order to make up for the shortcomings of the prior art and solve the problems existing in the prior art, the utility model provides a clamp for hub outer ring polishing.

[0006] The utility model discloses a kind of clamps for hub outer ring polishing, including workbench, transmission sliding slot is opened in the workbench, transmission screw rod is rotatably installed in transmission sliding slot, one motor support is provided outside transmission sliding slot, transmission motor is installed on one motor support, transmission motor output end is fixedly connected with transmission screw rod, sliding block is slidably arranged in transmission sliding slot, threaded hole is opened in the sliding block, and transmission screw rod rotates and passes the threaded hole on sliding block, one positioning rod is arranged in parallel on the two sides of transmission screw rod, two The positioning rod all passes the positioning hole in advance reserved on sliding block, and is fixedly installed in transmission sliding slot.

[0007] A first fixed disc is rotatably installed on the sliding block, a first cross-shaped sliding slot is formed in the first fixed disc, a first bidirectional screw rod is rotatably installed in the first cross-shaped sliding slot, a first fixed knob is fixedly arranged at the top end of the first bidirectional screw rod, two first fixed rods are arranged in the first cross-shaped sliding slot, threaded holes are formed in the two first fixed rods, and the first bidirectional screw rod penetrates through the threaded holes of the two first fixed rods.

[0008] Preferably, a fixed plate is arranged on the workbench, a second motor support is arranged on the fixed plate, a rotary motor is installed on the second motor support, a second fixed disc is arranged on the output shaft of the rotary motor and penetrates through the fixed plate, a second cross-shaped sliding slot is formed in the second fixed disc, a second bidirectional screw rod is rotatably installed in the second cross-shaped sliding slot, a second fixed knob is fixedly arranged at the top end of the second bidirectional screw rod, two second fixed rods are arranged in the second cross-shaped sliding slot, threaded holes are formed in the two second fixed rods, and the second bidirectional screw rod penetrates through the threaded holes of the two second fixed rods. The second bidirectional screw rod is arranged to control the second fixed rod, so that the second fixed rod can be tightly abutted against the inner wall of the wheel hub by rotating the second bidirectional screw rod. The outer end of the second fixed rod is in a concave-convex structure, so that the second fixed rod increases the friction with the inner wall of the wheel hub, thereby preventing the wheel hub from loosening.

[0009] Preferably, one end of the first fixed rod is arranged on the first bidirectional screw rod, and the other end is slidably arranged in the second cross-shaped sliding slot. The first fixed rod can be abutted against the inner wall of the wheel hub by adjusting the first screw rod, thereby preventing the wheel hub from loosening.

[0010] Preferably, one end of the second fixed rod is arranged on the second bidirectional screw rod, and the other end is slidably arranged in the first cross-shaped sliding slot. The second fixed rod can be abutted against the inner wall of the wheel hub by adjusting the second screw rod, thereby preventing the wheel hub from loosening.

[0011] Preferably, an opening is formed between the transmission sliding slot and the fixed plate, a scrap collecting box is arranged on the opening, a hinged door is arranged on the scrap collecting box, and an opening and closing handle is arranged on the hinged door. The scrap collecting box is arranged to collect the waste materials in the hollow structure of the workbench into the interior of the scrap collecting box, so that the wheel hub can be easily unloaded and the waste materials can be easily collected.

[0012] Preferably, four fixed legs are arranged at the bottom end of the workbench, and the transmission motor and the rotary motor are electrically connected with an external power supply. The fixed legs fixedly connected with the four corners of the bottom end of the workbench are beneficial to improve the stability of the device.

[0013] The utility model discloses the beneficial effect lies in: can be closely resisted in the inner wall of wheel hub through the rotation bidirectional screw rod of fixed rod, and the outer end of fixed rod is the concave-convex structure, makes fixed rod increase the friction with the inner wall of wheel hub, thereby prevents the wheel hub loose, and the design of bidirectional screw rod and fixed rod can fix the wheel hub of different size, can effectively improve the practicality of clamp.

[0014] The structure design of sliding block and transmission screw rod makes the sliding block slide right when the transmission screw rod rotates, can directly drive the wheel hub to fall off the work area through the first fixed rod, then places the wheel hub on the second fixed rod, and the first fixed rod can directly start working after returning, improves the work efficiency, and avoids scratching the wheel hub. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is the whole structure schematic diagram;

[0017] Figure 2 It is the transmission mechanism structure schematic diagram;

[0018] Figure 3 It is the rotation mechanism structure schematic diagram;

[0019] Figure 4 It is the fixed disc structure schematic diagram;

[0020] Figure 5 It is the second fixed disc plane structure schematic diagram;

[0021] In the drawing: 1, workbench;2, transmission sliding groove;3, positioning rod;4, transmission screw rod;5, sliding block;6, first motor support;7, transmission motor;8, first fixed disc;9, first cross sliding groove;10, first bidirectional screw rod;11, first fixed knob;12, first fixed rod;13, second fixed disc;14, second cross sliding groove;15, second bidirectional screw rod;16, second fixed knob;17, second fixed rod;18, second motor support;19, rotation motor;20, scrap collecting box;21, fixed leg;22, switch door;23, switch handle;24, fixed plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-5 As shown in FIG. 1, a kind of hub outer ring polishing fixture, including workbench 1, transmission sliding slot 2 is set in the workbench 1, transmission screw rod 4 is rotatably installed in transmission sliding slot 2, one motor bracket 6 is provided outside transmission sliding slot 2, transmission motor 7 is installed on one motor bracket 6, transmission motor 7 output end is fixedly connected with transmission screw rod 4, sliding block 5 is slidably arranged in transmission sliding slot 2, threaded hole is formed in sliding block 5, and transmission screw rod 4 rotates and passes the threaded hole on sliding block 5, one positioning rod 3 is arranged in parallel on the both sides of transmission screw rod 4, both positioning rods 3 pass the positioning hole in advance reserved on sliding block 5, and are fixedly installed in transmission sliding slot 2;

[0024] One fixed disc 8 is rotatably installed on sliding block 5, one cross sliding slot 9 is formed in one fixed disc 8, one bidirectional screw rod 10 is rotatably installed in one cross sliding slot 9, one fixed knob 11 is fixedly arranged at the top of one bidirectional screw rod 10, two one fixed rods 12 are arranged in one cross sliding slot 9, threaded hole is formed in the two one fixed rods 12, and one bidirectional screw rod 10 rotates and passes the threaded hole on the two one fixed rods 12.

[0025] One end of one fixed rod 12 is arranged on one bidirectional screw rod 10, and the other end is slidably arranged in two cross sliding slots 14;One end of two fixed rods 17 is arranged on two bidirectional screw rods 15, and the other end is slidably arranged in one cross sliding slot 9.

[0026] When working, in order to fix the hub, first, the hub is placed on two fixed rods 17, then transmission motor 7 is started, transmission motor 7 drives transmission screw rod 4 to rotate, makes sliding block 5 move in transmission sliding slot 2 under the action of positioning rod 3, makes one fixed rod 12 move into two cross sliding slots 14, then rotates one fixed knob 11 and two fixed knobs 16, makes two one fixed rods 12 move towards each other under the action of one bidirectional screw rod 10 and abuts against the inner wall of hub, and two two fixed rods 17 move towards each other under the action of two bidirectional screw rods 15 and abut against the inner wall of hub to fix the hub.

[0027] The workbench 1 is provided with a fixed plate 24, the fixed plate 24 is provided with a No. 2 motor bracket 18, a rotating motor 19 is installed on the No. 2 motor bracket 18, the rotating motor 19 output shaft penetrates the fixed plate 24 and is provided with a No. 2 fixed disc 13, a No. 2 cross sliding groove 14 is formed in the No. 2 fixed disc 13, a No. 2 bidirectional screw rod 15 is rotatably installed in the No. 2 cross sliding groove 14, a No. 2 fixed knob 16 is fixedly arranged at the top end of the No. 2 bidirectional screw rod 15, two No. 2 fixed rods 17 are arranged in the No. 2 cross sliding groove 14, threaded holes are formed in the two No. 2 fixed rods 17, and the No. 2 bidirectional screw rod 15 rotates through the threaded holes in the two No. 2 fixed rods 17.

[0028] A port is formed between the transmission sliding groove 2 and the fixed plate 24, a scrap collecting box 20 is arranged on the port, a switch door 22 is hingedly connected to the scrap collecting box 20, and a switch handle 23 is arranged on the switch door 22; four fixed legs 21 are arranged at the bottom end of the workbench 1, and the transmission motor 7 and the rotating motor 19 are electrically connected with an external power supply.

[0029] When working, in order to conveniently polish the hub, the rotating motor 19 is started to drive the No. 2 fixed disc 13 to rotate, the No. 2 fixed disc 13 drives the No. 1 fixed rod 12 and the No. 2 fixed rod 17 to rotate, the No. 1 fixed disc 8 and the No. 2 fixed disc 13 simultaneously rotating can drive the hub to rotate, and the outer circle of the hub is conveniently polished.

[0030] The working principle is that, in order to fix the hub, the hub is first placed on the No. 2 fixed rod 17, then the transmission motor 7 is started to drive the transmission screw rod 4 to rotate, the sliding block 5 is moved in the transmission sliding groove 2 under the action of the positioning rod 3, the No. 1 fixed rod 12 is moved into the No. 2 cross sliding groove 14, then the No. 1 fixed knob 11 and the No. 2 fixed knob 16 are rotated, the two No. 1 fixed rods 12 move towards each other under the action of the No. 1 bidirectional screw rod 10 and abut against the inner wall of the hub, the two No. 2 fixed rods 17 move towards each other under the action of the No. 2 bidirectional screw rod 15 and abut against the inner wall of the hub to fix the hub.

[0031] In order to conveniently polish the hub, the rotating motor 19 is started to drive the No. 2 fixed disc 13 to rotate, the No. 2 fixed disc 13 drives the No. 1 fixed rod 12 and the No. 2 fixed rod 17 to rotate, the No. 1 fixed disc 8 and the No. 2 fixed disc 13 simultaneously rotating can drive the hub to rotate, and the outer circle of the hub is conveniently polished.

[0032] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A fixture for polishing the outer rim of a wheel hub, characterized in that: The device includes a workbench (1), on which a transmission slide groove (2) is provided. A transmission screw (4) is rotatably installed in the transmission slide groove (2). A first motor bracket (6) is provided on the outside of the transmission slide groove (2). A transmission motor (7) is installed on the first motor bracket (6). The output end of the transmission motor (7) is fixedly connected to the transmission screw (4). A sliding block (5) is slidably provided in the transmission slide groove (2). A threaded hole is provided on the sliding block (5). The transmission screw (4) rotates through the threaded hole on the sliding block (5). A positioning rod (3) is arranged parallel to each side of the transmission screw (4). Both positioning rods (3) pass through the positioning holes reserved in advance on the sliding block (5) and are fixedly installed in the transmission slide groove (2). A first fixed plate (8) is rotatably mounted on the sliding block (5). A first cross slide groove (9) is opened on the first fixed plate (8). A first bidirectional lead screw (10) is rotatably mounted in the first cross slide groove (9). A first fixed button (11) is fixedly set at the top of the first bidirectional lead screw (10). Two first fixed rods (12) are set in the first cross slide groove (9). Both first fixed rods (12) are provided with threaded holes, and the first bidirectional lead screw (10) rotates through the threaded holes on the two first fixed rods (12).

2. The jig for polishing the outer rim of a wheel hub according to claim 1, characterized in that: A fixed plate (24) is provided on the workbench (1). A second motor bracket (18) is provided on the fixed plate (24). A rotary motor (19) is installed on the second motor bracket (18). The output shaft of the rotary motor (19) passes through the fixed plate (24) and is provided with a second fixed plate (13). A second cross slide groove (14) is provided on the second fixed plate (13). A second double-acting screw (15) is rotatably installed in the second cross slide groove (14). A second fixed button (16) is fixedly provided at the top of the second double-acting screw (15). Two second fixed rods (17) are provided in the second cross slide groove (14). Both second fixed rods (17) are provided with threaded holes, and the second double-acting screw (15) rotates through the threaded holes on the two second fixed rods (17).

3. The jig for polishing the outer rim of a wheel hub according to claim 1, characterized in that: One end of the first fixing rod (12) is set on the first bidirectional screw (10), and the other end is slidably set in the second cross groove (14).

4. A jig for polishing the outer rim of a wheel hub according to claim 2, characterized in that: One end of the second fixing rod (17) is set on the second bidirectional screw (15), and the other end is slidably set in the first cross groove (9).

5. A jig for polishing the outer ring of a wheel hub according to claim 2, characterized in that: An opening is provided between the transmission slide (2) and the fixed plate (24), and a waste collection box (20) is provided on the opening. A switch door (22) is hinged on the waste collection box (20), and a switch handle (23) is provided on the switch door (22).

6. A jig for polishing the outer rim of a wheel hub according to claim 1, characterized in that: The workbench (1) is provided with four fixed legs (21) at the bottom, and the transmission motor (7) and the rotary motor (19) are electrically connected to an external power source.

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