Screw tightening and gap detecting mechanism for assembling steering wheel

Abstract

The utility model relates to a screw tightening and clearance detection mechanism for steering wheel assembly, which comprises a moving assembly, a main frame, a lifting assembly I, a lifting assembly II, a tightening assembly, a detection assembly I and a detection assembly II, and is characterized in that the tightening assembly comprises a connecting frame, a motor, a sliding block, a sliding rail, a spring I, a screw rod, a fixed frame I, an electric screw driver, a fixed block and a sleeve; the first lifting assembly can drive the tightening assembly to move up and down, after the tightening assembly moves to a proper position, a motor is started, the motor drives a lead screw to rotate, so that a sliding block moves upwards, and a first fixing frame and an electric screwdriver on the fixing frame are driven to move upwards slowly; the output end of the electric screwdriver penetrates through the sleeve and tightens a screw on the steering wheel, after the tightening process is completed, the moving assembly moves the first detection assembly to a proper position, the first lifting assembly enables the contact type digital sensor to move to the position where the screw is tightened just now, and the height of the tightened screw is detected.

Description

Technical Field

[0001] The utility model relates to the field of steering wheel assembly, in particular to a screw tightening and clearance detection mechanism for steering wheel assembly. Background Technique

[0002] Steering wheel assembly is the process of assembling the steering wheel and its related components on a vehicle. During the steering wheel assembly process, screw tightening is an important step to ensure the safety and stability of the steering wheel.

[0003] In the existing steering wheel assembly process, the screw tightening device has a single function and only undertakes the process of screwing the screws. In actual work, after the screws are tightened, it is also necessary to detect the height of the screws, and it is also necessary to detect the height of other different positions of the steering wheel. Content of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides a screw tightening and clearance detection mechanism for steering wheel assembly.

[0005] A screw tightening and clearance detection mechanism for steering wheel assembly provided by the utility model adopts the following technical scheme:

[0006] A screw tightening and clearance detection mechanism for steering wheel assembly includes a moving component, a main frame, a first lifting component, a second lifting component, a tightening component, a first detection component and a second detection component. The lifting components are arranged on the moving component, the tightening component and the first detection component are arranged on the first lifting component, and the second detection component is arranged on the second lifting component.

[0007] Optionally, the tightening component includes a connecting frame, a motor, a slider, a slide rail, a first spring, a lead screw, a first fixing frame, an electric screwdriver, a fixing block and a sleeve. The connecting frame is connected to the first lifting component. The motor is arranged at the bottom of the connecting frame. The slide rail is arranged on the connecting frame. The slider is slidably matched with the slide rail. The output end of the motor is connected to the lead screw. The slider is arranged on the lead screw. The first fixing frame is arranged on the slider. The electric screwdriver is arranged on the first fixing frame. The fixing block is arranged at the top of the connecting frame. The sleeve is arranged on the fixing block. The output end of the electric screwdriver passes through the sleeve.

[0008] Optionally, the first detection component is arranged on the connecting frame. The first detection component includes a second fixing frame, a clamping block and a contact digital sensor. The second fixing frame is arranged on one side of the connecting frame. The contact digital sensor is connected to the fixing frame through the clamping block.

[0009] Optionally, the second detection component includes a third fixing bracket, a contact digital sensor, a connecting rod. The third fixing bracket is arranged on the second lifting component, the contact digital sensor is arranged on the third fixing bracket, and the contact digital sensor is connected to the connecting rod.

[0010] Optionally, the first lifting component includes a first electric actuator, a first drag chain, a first sliding plate and a first slideway. The second lifting component includes a second electric actuator, a second drag chain, a second sliding plate and a second slideway. The first slideway and the second slideway are both arranged on the main frame, and the main frame is arranged on the moving component.

[0011] In summary, the present utility model includes at least one of the following beneficial technical effects:

[0012] 1. The first lifting component can drive the tightening component to move up and down. After the tightening component moves to a suitable position, the motor is started. The motor drives the screw rod to rotate, so that the slider moves upward, driving the first fixing bracket and the electric screwdriver on the fixing bracket to move upward slowly. The output end of the electric screwdriver passes through the sleeve and tightens the screw on the steering wheel. After the tightening process is completed, the moving component moves the first detection component to a suitable position, and the first lifting component moves the contact digital sensor to the position where the screw was just tightened to detect the height after the screw is tightened;

[0013] 2. Under the action of the moving component and the second lifting component, the height values at various positions of the product can be measured by positioning, saving subsequent detection processes and greatly improving the detection efficiency. Description of the Drawings

[0014] Figure 1 is a schematic diagram of a screw tightening and clearance detection mechanism for steering wheel assembly.

[0015] Figure 2 is a schematic diagram of the other side of a screw tightening and clearance detection mechanism for steering wheel assembly.

[0016] Description of the reference numerals: 1, moving component; 2, main frame; 3, first lifting component; 31, first electric actuator; 32, first drag chain; 33, first sliding plate; 34, first slideway; 4, second lifting component; 41, second electric actuator; 42, second drag chain; 43, second sliding plate; 44, second slideway; 5, tightening component; 51, connecting frame; 52, motor; 53, slider; 54, slide rail; 55, screw rod; 56, first fixing bracket; 57, electric screwdriver; 58, fixing block; 59, sleeve; 6, first detection component; 61, second fixing bracket; 62, clamping block; 63, contact digital sensor; 7, second detection component; 71, third fixing bracket; 72, connecting rod. Detailed Embodiment

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0018] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0019] In addition, the meaning of "several" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0020] The embodiments of the present utility model disclose a screw tightening and clearance detection mechanism for steering wheel assembly. Refer to Figure 1-2, A screw tightening and clearance detection mechanism for steering wheel assembly includes a moving component 1, a main frame 2, a first lifting component 3, a second lifting component 4, a tightening component 5, a first detection component 6, and a second detection component 7. The lifting components are arranged on the moving component 1. The tightening component 5 and the first detection component 6 are arranged on the first lifting component 3, and the second detection component 7 is arranged on the second lifting component 4. The first lifting component 3 includes an electric actuator 31, a drag chain 32, a slide plate 33, and a slideway 34. The second lifting component 4 includes an electric actuator 41, a drag chain 42, a slide plate 43, and a slideway 44. Both the slideway 34 and the slideway 44 are arranged on the main frame 2, and the main frame 2 is arranged on the moving component 1. The tightening component 5 includes a connecting frame 51, a motor 52, a slider 53, a slide rail 54, a first spring, a lead screw 55, a first fixing frame 56, an electric screwdriver 57, a fixing block 58, and a sleeve 59. The connecting frame 51 is connected to the first lifting component 3. The motor 52 is arranged at the bottom of the connecting frame 51. The slide rail 54 is arranged on the connecting frame 51. The slider 53 is slidably matched with the slide rail 54. The output end of the motor 52 is connected to the lead screw 55. The slider 53 is arranged on the lead screw 55. The first fixing frame 56 is arranged on the slider 53. The electric screwdriver 57 is arranged on the first fixing frame 56. The fixing block 58 is arranged at the top of the connecting frame 51. The sleeve 59 is arranged on the fixing block 58. The output end of the electric screwdriver 57 passes through the sleeve 59. The first detection component 6 is arranged on the connecting frame 51. The first detection component 6 includes a second fixing frame 61, a clamping block 62, and a contact digital sensor 63. The second fixing frame 61 is arranged on one side of the connecting frame 51. The contact digital sensor 63 is connected to the second fixing frame through the clamping block 62. With this design, the first lifting component 3 can drive the tightening component 5 to move up and down. When the tightening component 5 moves to a suitable position, the motor 52 is started. The motor 52 drives the lead screw 55 to rotate, so that the slider 53 moves upward, driving the first fixing frame 56 and the electric screwdriver 57 on the fixing frame upward slowly. The output end of the electric screwdriver 57 passes through the sleeve 59 and tightens the screws on the steering wheel. After the tightening process is completed, the moving component 1 moves the first detection component 6 to a suitable position, and the first lifting component 3 moves the contact digital sensor 63 to the position where the screws were just tightened to detect the height after the screws are tightened.

[0021] The second detection component 7 includes a third fixing frame 71, a contact digital sensor 63, and a connecting rod 73. The third fixing frame 71 is arranged on the second lifting component 4. The contact digital sensor 63 is arranged on the third fixing frame 71. The contact digital sensor is connected to the connecting rod 73. With this design, under the action of the moving component 1 and the second lifting component 4, the height values at various positions of the product can be measured by positioning, saving subsequent detection processes and greatly improving the detection efficiency.

[0022] The above are all preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited thereby. Therefore, all equivalent changes made according to the structure, shape and principle of the present utility model shall be covered within the protection scope of the present utility model.

Claims

1. A screw tightening and gap detection mechanism for steering wheel assembly, characterized in that: The invention comprises a moving assembly (1), a main frame (2), a lifting assembly 1 (3), a lifting assembly 2 (4), a tightening assembly (5), a detection assembly 1 (6) and a detection assembly 2 (7), wherein the lifting assembly is arranged on the moving assembly (1), the tightening assembly (5) and the detection assembly 1 (6) are arranged on the lifting assembly 1 (3), and the detection assembly 2 (7) is arranged on the lifting assembly 2 (4).

2. A screw tightening and gap detection mechanism for steering wheel assembly according to claim 1, characterized in that: The tightening assembly (5) comprises a connecting frame (51), a motor (52), a slider (53), a slide rail (54), a spring (5), a screw rod (55), a fixing frame (56), an electric screwdriver (57), a fixing block (58), and a sleeve (59). The connecting frame (51) is connected to the lifting assembly (3). The motor (52) is arranged at the bottom of the connecting frame (51). The slide rail (54) is arranged on the connecting frame (51). The slider (53) is connected to the slide rail (54). The output end of the motor (52) is connected to the screw rod (55) in a sliding fit, the slider (53) is arranged on the screw rod (55), the fixing frame (56) is arranged on the slider (53), the electric screwdriver (57) is arranged on the fixing frame (56), the fixing block (58) is arranged on the top of the connecting frame (51), the sleeve (59) is arranged on the fixing block (58), and the output end of the electric screwdriver (57) passes through the sleeve (59).

3. A screw tightening and gap detection mechanism for steering wheel assembly according to claim 2, characterized in that: The detection component one (6) is arranged on the connecting frame (51), and the detection component one (6) comprises a fixing frame two (61), a clamping block (62), and a contact digital sensor (63). The fixing frame two (61) is arranged on one side of the connecting frame (51), and the contact digital sensor (63) is connected to the fixing frame two (61) through the clamping block (62).

4. A screw tightening and gap detection mechanism for steering wheel assembly according to claim 1, characterized in that: The detection component 2 (7) comprises a fixing frame 3 (71), a contact digital sensor (63), and a connecting rod (73); the fixing frame 3 (71) is arranged on the lifting component 2 (4); the contact digital sensor (63) is arranged on the fixing frame 3 (71); and the contact digital sensor is connected to the connecting rod (73).

5. A screw tightening and gap detection mechanism for steering wheel assembly according to claim 1, characterized in that: The lifting component 1 (3) comprises an electric actuator 1 (31), a drag chain 1 (32), a slide plate 1 (33) and a slideway 1 (34); the lifting component 2 (4) comprises an electric actuator 2 (41), a drag chain 2 (42), a slide plate 2 (43) and a slideway 2 (44); the slideway 1 (34) and the slideway 2 (44) are both arranged on a main frame (2); and the main frame (2) is arranged on the moving component (1).

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