Hub detection fixing clamp

Abstract

The utility model relates to the technical field of fixing clamps, in particular to a hub detection fixing clamp which is convenient to adjust according to the size of a hub, wide in application range and capable of guaranteeing the fixing stability. Comprising a clamping cylinder, a rotating assembly, a driving assembly, a pressing mechanism and a jacking mechanism, the rotating assembly is installed at the top of the clamping cylinder and comprises a containing rotary table, a rotating ring and a positioning column, the driving assembly is installed in the clamping cylinder and is in transmission connection with the rotating assembly, and the pressing mechanism is located in the clamping cylinder; the pressing mechanism is installed at the bottom end of the rotating assembly, the jacking mechanism is installed on the pressing mechanism, and the output end of the jacking mechanism penetrates through the rotating assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of fixing fixtures, in particular to a wheel hub detection fixing fixture. Background Art

[0002] The wheel hub is also called the wheel rim, wheel, and tire bell. It is a cylindrical metal part with the inner contour of the tire supporting the tire and the center mounted on the shaft. The wheel hub has a wide variety of diameters, widths, molding methods, and materials. A wheel hub includes multiple parameters such as radial size, width, hole position, etc., and each parameter will affect the use of the vehicle. Therefore, before modifying and maintaining the wheel hub, these parameters must be confirmed first. Therefore, a fixture is required to fix it during the production and inspection process. The main function of the fixture is to position and clamp the wheel hub. A fixing fixture for alloy wheel hub production proposed in prior art announcement number CN216543188U includes a workbench, a motor is fixedly installed on the lower side of the workbench, a bidirectional screw is provided at the output end of the motor, two screw screw sleeves are sleeved on the bidirectional screw, and connecting blocks are installed on the two screw screw sleeves. The fixing assembly includes a limit box, a rotating shaft is rotatably installed between the inner walls of the limit box, a pressure plate is fixedly installed on the side of the rotating shaft, and an electric push rod is rotatably installed on the inner surface of the limit box. Although wheels of different sizes can be fixed, the upper part of the wheel hub is only clamped and fixed by the pressure plates on the upper part of the two limit boxes. It is difficult to ensure the concentricity of the wheel hub after fixation, which is not conducive to the positioning operation of the wheel hub. In addition, the fixing position is located on the outer ring of the wheel hub, and the contact area is small, so it is difficult to ensure the firmness of the fixation. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a hub detection and fixing fixture which is easy to adjust according to the size of the hub, has a wide range of applications, and ensures the stability of fixing.

[0004] The utility model discloses a wheel hub detection and fixing fixture, comprising a clamping cylinder, a rotating assembly, a driving assembly, a clamping mechanism and a clamping mechanism, wherein the rotating assembly is mounted on the top of the clamping cylinder, the driving assembly is mounted inside the clamping cylinder, the driving assembly is transmission-connected with the rotating assembly, the clamping mechanism is located inside the clamping cylinder, the clamping mechanism is mounted on the bottom end of the rotating assembly, the clamping mechanism is mounted on the clamping mechanism, and the output end of the clamping mechanism passes through the rotating assembly; the wheel hub is placed on the rotating assembly, the wheel hub is clamped and positioned by the clamping mechanism, which is convenient for adjustment according to the size of the wheel hub and has a wide range of applications; at the same time, the clamping mechanism drives the clamping mechanism to move downward to clamp the top of the wheel hub to ensure the stability of the fixation; the rotating assembly is driven by the driving assembly to rotate at the top end of the clamping cylinder, the wheel hub can be detected in all directions, and the practicality is improved.

[0005] Preferably, the rotating assembly includes a turntable, a swivel and a positioning column, a rotating cavity is opened at the top of the clamping cylinder, a limited rotation groove is opened inside the rotating cavity, a swivel is installed on the outer wall of the turntable, the swivel is rotatably installed in the limited rotation groove, and the positioning column is fixedly installed in the middle of the top end of the turntable; when in use, the wheel hub is placed on the top end of the turntable, and the wheel hub is positioned by the positioning column to facilitate the positioning operation of the wheel hub.

[0006] Preferably, the driving assembly includes two transmissions, a dual-output motor, two transmission rods, two rotating rods, two fixed plates, two gears and a gear ring. The two transmissions are fixedly mounted on the left and right ends of the interior of the clamping cylinder, the dual-output motor is fixedly mounted on the middle of the bottom end of the clamping cylinder, the output ends of the dual-output motor on both sides are connected to the input end of the transmission through the transmission rod, the output end of the transmission is connected to a rotating rod, the rotating rod is rotatably mounted on the fixed plate, the fixed plate is fixedly mounted on the inner wall of the clamping cylinder, the gear is fixedly mounted on the top of the rotating rod, the gear ring is fixedly mounted on the bottom end of the turntable, and the gear ring is meshed with the gear; the dual-output motor is started to drive the rotating rod to rotate via the transmission rod and the transmission, the rotating rod drives the gear ring to rotate via the gear, so that the gear ring drives the turntable to rotate, the wheel hub rotates, and a comprehensive inspection is performed on it to improve practicality.

[0007] Preferably, the clamping mechanism includes multiple mounting frames and electric telescopic rods, and the multiple electric telescopic rods are axially and evenly fixed on the bottom outer edge of the turntable, and the telescopic ends of the electric telescopic rods are fixedly connected to the top of the mounting frames; the starting gear ring drives the mounting frame to move downward, drives the inverted L-shaped fixing plate to move downward, and clamps the wheel hub to ensure stability during detection.

[0008] Preferably, the tightening mechanism includes multiple screw rods, multiple bevel gears, forward and reverse motors, active bevel gears, multiple threaded blocks and multiple inverted L-shaped fixing plates. A driving cavity is opened in the middle of the mounting frame, and a fixed slide groove is opened on the top of the mounting frame axially with respect to the driving cavity. The screw rod is rotatably installed in the fixed slide groove, and one end of the screw rod is rotatably inserted into the driving cavity and a bevel gear is installed. The forward and reverse motors are fixedly installed in the middle of the bottom end of the mounting frame, and the output shaft of the forward and reverse motors is rotatably installed in the driving cavity. The active bevel gear is installed on the outer wall of the output shaft, and the active bevel gear is meshed with the bevel gear. The threaded block is slidably installed on The inverted L-shaped fixing plate is fixed in the fixed groove, and the middle part of the threaded block is screwed on the outer wall of the screw rod. A tightening groove is opened at a position corresponding to the fixed groove on the turntable. The bottom end of the inverted L-shaped fixing plate is fixedly connected to the top end of the threaded block, and the inverted L-shaped fixing plate slides in the tightening groove. Starting the forward and reverse motors drives the active bevel gear to rotate, and the active bevel gear drives the screw rod to rotate through the bevel gear. The screw rod drives the inverted L-shaped fixing plate to move in the tightening groove through the threaded block, so that multiple inverted L-shaped fixing plates contact the inner wall of the wheel hub to fix the wheel hub. Wheel hubs of different thicknesses and diameters can be fixed.

[0009] Preferably, it also includes a plurality of rubber plates, which are fixedly mounted on the outer wall of the inverted L-shaped fixing plate; the rubber plates can avoid direct contact between the inverted L-shaped fixing plate and the wheel hub, thereby avoiding damage to the wheel hub.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the wheel hub is placed on the rotating assembly, and the wheel hub is clamped and positioned by the tightening mechanism, which is convenient for adjustment according to the size of the wheel hub and has a wide range of applications. At the same time, the clamping mechanism drives the tightening mechanism to move downward to tighten the top of the wheel hub to ensure the stability of the fixation. The driving assembly drives the rotating assembly to rotate at the top of the clamping cylinder, which can perform all-round detection of the wheel hub and improve practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a front structural schematic diagram of the utility model;

[0013] Figure 3 It is a front cross-sectional structural schematic diagram of the utility model;

[0014] Figure 4 It is a right side cross-sectional structural schematic diagram of the utility model;

[0015] Figure 5 It is a schematic diagram of the cross-sectional structure of the utility model viewed from above;

[0016] Markings in the attached drawings: 1. Clamping cylinder; 2. Placement turntable; 3. Rotating ring; 4. Positioning column; 5. Transmission; 6. Dual-output motor; 7. Transmission rod; 8. Rotating rod; 9. Fixed plate; 10. Gear; 11. Gear ring; 12. Mounting frame; 13. Screw rod; 14. Bevel gear; 15. Forward and reverse motor; 16. Active bevel gear; 17. Threaded block; 18. Inverted L-shaped fixed plate; 19. Rubber plate; 20. Electric telescopic rod. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0018] Example 1

[0019] like Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, a rotating cavity is provided at the top of the clamping cylinder 1, a limited rotating groove is provided inside the rotating cavity, a rotating ring 3 is installed on the outer wall of the turntable 2, the rotating ring 3 is rotatably installed in the limited rotating groove, a positioning column 4 is fixedly installed in the middle of the top of the turntable 2, a plurality of electric telescopic rods 20 are axially evenly fixedly installed on the outer edge of the bottom of the turntable 2, the telescopic end of the electric telescopic rod 20 is fixedly connected to the top of the mounting frame 12, a driving cavity is provided in the middle of the mounting frame 12, a fixed slide groove is provided at the top of the mounting frame 12 about the axial direction of the driving cavity, a screw rod 13 is rotatably installed in the fixed slide groove, one end of the screw rod 13 A bevel gear 14 is installed to rotate and penetrate into the driving cavity, a forward and reverse motor 15 is fixedly installed at the middle of the bottom end of the mounting frame 12, the output shaft of the forward and reverse motor 15 is rotatably installed in the driving cavity, an active bevel gear 16 is installed on the outer wall of the output shaft, the active bevel gear 16 is meshed with the bevel gear 14, a threaded block 17 is slidably installed in the fixed slide groove, and the middle part of the threaded block 17 is screwed on the outer wall of the screw rod 13, a tightening groove is opened at a position corresponding to the fixed slide groove on the turntable 2, the bottom end of the inverted L-shaped fixing plate 18 is fixedly connected to the top end of the threaded block 17, and the inverted L-shaped fixing plate 18 is slidably located in the tightening groove;

[0020] When in use, place the wheel hub on the top of the turntable 2, and position the wheel hub through the positioning column 4 to facilitate the positioning operation of the wheel hub. Start the forward and reverse motors 15 to drive the active bevel gear 16 to rotate, and the active bevel gear 16 drives the screw rod 13 to rotate through the bevel gear 14. The screw rod 13 drives the inverted L-shaped fixing plate 18 to move in the tightening groove through the threaded block 17, so that multiple inverted L-shaped fixing plates 18 are in contact with the inner wall of the wheel hub to fix the wheel hub. Wheel hubs of different thicknesses and different diameters can be fixed. Start the gear ring 11 to drive the mounting frame 12 to move downward, drive the inverted L-shaped fixing plate 18 to move downward, and press the wheel hub to ensure stability during detection.

[0021] Example 2

[0022] like Figure 1 , Figure 3 and Figure 4 As shown, on the basis of Example 1, it also includes two transmissions 5 fixedly mounted on the left and right ends of the inside of the clamping cylinder 1, a dual-output motor 6 fixedly mounted on the middle of the bottom end of the clamping cylinder 1, and the output ends of the dual-output motor 6 are connected to the input end of the transmission 5 through a transmission rod 7. The output end of the transmission 5 is connected with a rotating rod 8, and the rotating rod 8 is rotatably mounted on a fixed plate 9, and the fixed plate 9 is fixedly mounted on the inner wall of the clamping cylinder 1. The gear 10 is fixedly mounted on the top of the rotating rod 8, and the gear ring 11 is fixedly mounted on the bottom end of the turntable 2, and the gear ring 11 is meshed with the gear 10. The rubber plate 19 is fixedly mounted on the outer wall of the inverted L-shaped fixed plate 18;

[0023] Start the dual-output motor 6 to drive the rotating rod 8 to rotate through the transmission rod 7 and the transmission 5. The rotating rod 8 drives the gear ring 11 to rotate through the gear 10, so that the gear ring 11 drives the turntable 2 to rotate, and the wheel hub rotates. A comprehensive inspection is performed on it to improve practicality. The rubber plate 19 can avoid direct contact between the inverted L-shaped fixing plate 18 and the wheel hub, thereby avoiding damage to the wheel hub.

[0024] like Figures 1 to 5 As shown, a wheel hub detection and fixing fixture of the utility model, when working, puts the wheel hub on the top of the placement turntable 2, positions the wheel hub through the positioning column 4, starts the forward and reverse motors 15 to drive the active bevel gear 16 to rotate, the active bevel gear 16 drives the screw rod 13 to rotate through the bevel gear 14, the screw rod 13 drives the inverted L-shaped fixing plate 18 to move in the top tightening groove through the threaded block 17, so that multiple inverted L-shaped fixing plates 18 contact the inner wall of the wheel hub to fix the wheel hub, and at the same time starts the gear ring 11 to drive the mounting frame 12 to move downward, drives the inverted L-shaped fixing plate 18 to move downward, presses the wheel hub, starts the dual-output motor 6 to drive the rotating rod 8 to rotate through the transmission rod 7 and the transmission 5, and the rotating rod 8 drives the gear ring 11 to rotate through the gear 10, so that the gear ring 11 drives the placement turntable 2 to rotate, and the wheel hub rotates, and a comprehensive inspection is performed on it.

[0025] The transmission 5, dual-output motor 6 and forward and reverse motor 15 of the wheel hub detection fixing fixture of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual without the need for creative work by technicians in this field.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A wheel hub detection fixture, characterized in that: The invention comprises a clamping cylinder (1), a rotating assembly, a driving assembly, a clamping mechanism and a pressing mechanism, wherein the rotating assembly is mounted on the top of the clamping cylinder (1), the driving assembly is mounted inside the clamping cylinder (1), the driving assembly is transmission-connected with the rotating assembly, the clamping mechanism is located inside the clamping cylinder (1), the clamping mechanism is mounted on the bottom end of the rotating assembly, the pressing mechanism is mounted on the clamping mechanism, and the output end of the pressing mechanism passes through the rotating assembly.

2. A wheel hub detection and fixing fixture as claimed in claim 1, characterized in that: The rotating assembly comprises a placing turntable (2), a rotating ring (3) and a positioning column (4); a rotating cavity is provided at the top of the clamping cylinder (1); a limited rotation groove is provided inside the rotating cavity; a rotating ring (3) is installed on the outer wall of the placing turntable (2); the rotating ring (3) is rotatably installed in the limited rotation groove; and the positioning column (4) is fixedly installed at the middle of the top end of the placing turntable (2).

3. A wheel hub detection and fixing fixture as claimed in claim 2, characterized in that: The driving assembly comprises two transmissions (5), a dual-output motor (6), two transmission rods (7), two rotating rods (8), two fixed plates (9), two gears (10) and a gear ring (11). The two transmissions (5) are fixedly mounted at the left and right ends of the interior of the clamping cylinder (1). The dual-output motor (6) is fixedly mounted at the middle of the bottom end of the clamping cylinder (1). The output ends of the dual-output motor (6) are connected to the input ends of the transmissions (5) through the transmission rods (7). The output ends of the transmissions (5) are connected to the rotating rods (8). The rotating rods (8) are rotatably mounted on the fixed plates (9). The fixed plates (9) are fixedly mounted on the inner wall of the clamping cylinder (1). The gears (10) are fixedly mounted on the top ends of the rotating rods (8). The gear rings (11) are fixedly mounted at the bottom end of the turntable (2). The gear rings (11) mesh with the gears (10).

4. A wheel hub detection and fixing fixture as claimed in claim 2, characterized in that: The clamping mechanism comprises a plurality of mounting frames (12) and electric telescopic rods (20). The plurality of electric telescopic rods (20) are axially and evenly fixedly mounted on the outer edge of the bottom of the turntable (2). The telescopic ends of the electric telescopic rods (20) are fixedly connected to the top of the mounting frames (12).

5. A wheel hub detection and fixing fixture as claimed in claim 4, characterized in that: The tightening mechanism comprises a plurality of screw rods (13), a plurality of bevel gears (14), a forward and reverse motor (15), an active bevel gear (16), a plurality of threaded blocks (17) and a plurality of inverted L-shaped fixing plates (18); a driving cavity is provided in the middle of the mounting frame (12); a fixed slide groove is provided at the top of the mounting frame (12) axially with respect to the driving cavity; the screw rod (13) is rotatably installed in the fixed slide groove; one end of the screw rod (13) is rotatably inserted into the driving cavity and is installed with a bevel gear (14); the forward and reverse motor (15) is fixedly installed in the middle of the bottom end of the mounting frame (12); The output shaft of the forward and reverse motor (15) is rotatably mounted in the driving cavity, the active bevel gear (16) is mounted on the outer wall of the output shaft, the active bevel gear (16) is meshed with the bevel gear (14), the thread block (17) is slidably mounted in the fixed slide groove, and the middle part of the thread block (17) is screwed on the outer wall of the screw rod (13), a tightening groove is provided at a position corresponding to the fixed slide groove on the turntable (2), the bottom end of the inverted L-shaped fixing plate (18) is fixedly connected to the top end of the thread block (17), and the inverted L-shaped fixing plate (18) is slidably located in the tightening groove.

6. A wheel hub detection and fixing fixture as claimed in claim 5, characterized in that: It also comprises a plurality of rubber plates (19), wherein the rubber plates (19) are fixedly mounted on the outer wall of the inverted L-shaped fixing plate (18).

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