Machining and positioning tool for outer circle of automobile lever arm

Abstract

The utility model discloses an automobile lever arm outer circle machining positioning tool, and relates to the technical field of positioning tools, the automobile lever arm outer circle machining positioning tool comprises a foundation plate, a plurality of adjusting sliding grooves are formed in the foundation plate, adjusting sliding blocks are connected in the adjusting sliding grooves in a sliding mode, and limiting screw rods are fixed at the bottoms of the adjusting sliding blocks; the outer wall of each limiting screw is in threaded connection with a first limiting nut, a lever is placed between the multiple extrusion rods on the front portion and the rear portion of the top of the foundation plate, and the front row of extrusion rods and the rear row of extrusion rods can be attached in a self-adaptive mode according to the skewness of the extrusion rods by adjusting sliding blocks to slide in adjusting sliding grooves. And the first limiting nut ascends along with rotation and is clamped at the top of the foundation plate, so that the effect of limiting the extrusion rod is achieved, and then the extrusion rod can stably position and clamp a nonlinear lever.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning tools, and particularly to a positioning tool for machining the outer circle of an automobile lever arm. Background Art

[0002] Automobile levers play an important role in the structure of an automobile chassis, which is mainly reflected in the following aspects:

[0003] Improve stability and comfort: By applying the lever support technology, the adjustment of the automobile suspension system can be realized, thereby reducing the vibration and shaking of the vehicle body and improving the vertical stability and riding comfort of the automobile;

[0004] Enhance driving sensitivity: The lever support technology can improve the sensitivity and reaction speed of the automobile when turning, making the driving smoother;

[0005] Optimize the performance of the suspension system: In the automobile suspension system, the hydraulic spring using the lever support technology can effectively reduce the vibration of the vehicle body and maintain the smoothness of the vehicle during driving, especially showing its advantages when driving at high speed;

[0006] Improve the steering system: When the lever support technology is applied to the steering system, it can improve the steering feel and sensitivity, making it easier and more comfortable for the driver to control the vehicle.

[0007] The inventor found the following problems in the prior art that have not been well solved during the implementation of this solution: The positioning tool used in the traditional machining of the outer circle of the lever arm is generally a clamping device, and its clamping device generally uses the method of clamping at both ends. However, since the levers are not all straight, when this positioning tool for clamping at both ends clamps a non-straight lever, it is very easy to have the situation of getting out of the limit during machining after clamping, resulting in the phenomenon of machining failure, which brings trouble to this machining. Summary of the Utility Model

[0008] The main purpose of the utility model is to provide a positioning tool for machining the outer circle of an automobile lever arm, which can effectively solve the problems in the background art.

[0009] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0010] Automobile lever arm outer circle machining positioning tooling, including a base plate, several adjusting sliding grooves are drilled on the base plate, adjusting sliders are slidably connected inside the adjusting sliding grooves, limiting screw rods are fixed at the bottoms of the adjusting sliders, limiting nuts I are threadedly connected to the outer walls of the limiting screw rods, extrusion rods are fixed at the tops of the adjusting sliders, insertion holes are drilled at the front and rear ends of the base plate between adjacent two adjusting sliding grooves, U-shaped rods are arranged between adjacent two adjusting sliding grooves, external screw teeth are arranged on the outer walls of one ends at the bottoms of the U-shaped rods, and limiting nuts II are threadedly connected to the outer walls of one ends of the U-shaped rods through the external screw teeth.

[0011] Preferably, the limiting screw rods are all located at the bottom of the base plate, and the tops of the limiting nuts I are respectively in contact with the bottom of the base plate.

[0012] Preferably, the extrusion rods are respectively located at the top of the base plate.

[0013] Preferably, both ends of the U-shaped rod penetrate and communicate with the insertion holes at the matching positions, and the outer diameter dimensions of both ends at the bottom of the U-shaped rod are respectively matched with the inner diameter dimensions of the insertion holes.

[0014] Preferably, the height distance between the top and the bottom of the U-shaped rod is greater than the height distance between the top end and the bottom end inside the insertion hole, the external screw teeth are respectively located at the bottom of the insertion hole, and the tops of the limiting nuts II are respectively in contact with the bottom of the base plate.

[0015] Preferably, a side plate is fixed on one side of the base plate, a mounting seat is fixed at the bottom of the side plate, reinforcing plates are fixed at both ends of the bottom of the base plate, and the side walls of the reinforcing plates are respectively fixed with the side walls of the side plate.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. Place the lever between several extrusion rods at the front and rear of the top of the base plate. By sliding the adjusting slider in the adjusting sliding groove, the front and rear rows of extrusion rods can be adaptively fitted according to their deflection. After the extrusion rod fits the side wall of the lever, the limiting nut I rotates and rises, and is clamped on the top of the base plate, so as to play a role in limiting the extrusion rod, and further enable the extrusion rod to stably position and clamp the non-linear lever.

[0018] 2. The two ends of the U-shaped rod slide down in the jacks on the base plate. The inner top of the U-shaped rod presses down on the lever between adjacent adjustment chutes. One end of the U-shaped rod passing through the bottom of the jack can be threadedly connected to the second limit nut through external screw teeth. After rotation, the second limit nut clamps on the top of the base plate, thereby achieving the limit of the U-shaped rod. Furthermore, the U-shaped rod can stably press down on the top of the lever, increasing the stability of positioning and clamping the non-machined end during the machining of the outer circle of the lever arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 FIG. is a top view structural schematic diagram of the positioning tooling for machining the outer circle of the automotive lever arm of the present utility model;

[0020] Figure 2 FIG. is a bottom view structural schematic diagram of the positioning tooling for machining the outer circle of the automotive lever arm of the present utility model;

[0021] Figure 3 FIG. is a separated structural schematic diagram of the base plate of the positioning tooling for machining the outer circle of the automotive lever arm of the present utility model after being sectioned and one of the U-shaped rods;

[0022] Figure 4 FIG. is a structural schematic diagram of the adjustment slider, limit screw, first limit nut, and extrusion rod of the positioning tooling for machining the outer circle of the automotive lever arm of the present utility model.

[0023] In the figure: 1. Base plate; 2. Adjustment chute; 3. Adjustment slider; 4. Limit screw; 5. First limit nut; 6. Extrusion rod; 7. Jack; 8. U-shaped rod; 9. External screw teeth; 10. Second limit nut; 11. Side plate; 12. Mounting seat; 13. Reinforcing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] In order to make the technical means, creative features, achieved purposes, and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] As Figures 1-4 shown, the positioning tooling for machining the outer circle of the automotive lever arm includes a base plate 1. A number of adjustment chutes 2 are drilled on the base plate 1. Adjustment sliders 3 are slidably connected inside the adjustment chutes 2. Limit screws 4 are fixed to the bottoms of the adjustment sliders 3. First limit nuts 5 are threadedly connected to the outer walls of the limit screws 4. Extrusion rods 6 are fixed to the tops of the adjustment sliders 3. Jacks 7 are drilled at the front and rear ends of the base plate 1 between adjacent adjustment chutes 2. U-shaped rods 8 are provided between adjacent adjustment chutes 2. External screw teeth 9 are provided on the outer walls of one ends of the bottoms of the U-shaped rods 8. The U-shaped rods 8 are threadedly connected to second limit nuts 10 through the outer walls of one ends with external screw teeth 9.

[0026] Specifically, the limiting screw rods 4 are all located at the bottom of the base plate 1, and the tops of the first limiting nuts 5 are respectively in contact with the bottom of the base plate 1. The extrusion rods 6 are respectively located at the top of the base plate 1 and can perform multi-directional and multi-angle clamping and positioning on the side wall of the lever.

[0027] Specifically, the two ends of the U-shaped rod 8 respectively penetrate and communicate with the jacks 7 at the matching positions, and the outer diameter dimensions of the two ends at the bottom of the U-shaped rod 8 respectively match the inner diameter dimensions of the jacks 7. The height distance between the top and the bottom of the U-shaped rod 8 is greater than the height distance between the top end and the bottom end inside the jack 7. The external screw teeth 9 are respectively located at the bottom of the jack 7, and the tops of the second limiting nuts 10 are respectively in contact with the bottom of the base plate 1, which can limit the top of the lever when it is pressed down.

[0028] Specifically, a side plate 11 is fixed on one side of the base plate 1, a mounting seat 12 is fixed at the bottom of the side plate 11, and reinforcing plates 13 are fixed at both ends of the bottom of the base plate 1. The side walls of the reinforcing plates 13 are respectively fixed to the side walls of the side plate 11. The side plate 11 supports the base plate 1, and the reinforcing plates 13 increase the stability of the connection between the base plate 1 and the side plate 11. The mounting seat 12 facilitates the installation of the present application on the workbench.

[0029] Working principle: Place the lever between a number of extrusion rods 6 before and after on the top of the base plate 1. By adjusting the sliding of the slider 3 in the adjustment chute 2, the front and rear rows of extrusion rods 6 can adaptively fit according to their deflection. After the extrusion rods 6 fit the side wall of the lever, the first limiting nut 5 rotates and rises, and is clamped on the top of the base plate 1, so as to achieve the limiting effect on the extrusion rods 6, and further enable the extrusion rods 6 to stably position and clamp the non-linear lever. The two ends of the U-shaped rod 8 slide down in the jacks 7 on the base plate 1, and the inner top of the U-shaped rod 8 presses down on the lever between the adjacent adjustment chutes 2. One end of the U-shaped rod 8 passing through the bottom of the jack 7 can be threadedly connected with the second limiting nut 10 through the external screw teeth 9. After the second limiting nut 10 rotates, it is clamped on the top of the base plate 1, so as to achieve the limiting of the U-shaped rod 8, and further enable the U-shaped rod 8 to stably press down on the top of the lever, increasing the stability of positioning and clamping the non-machined end during the machining of the outer circle of the lever arm.

[0030] The circuits, electronic components and control modules involved are all prior arts, which can be fully realized by those skilled in the art without further elaboration. The content protected by the present utility model does not involve the improvement of software and methods either.

[0031] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. Positioning tooling for machining the outer circle of an automotive lever arm, including a base plate (1), characterized in that: A number of adjustment sliding grooves (2) are drilled in the base plate (1). Adjustment sliders (3) are slidably connected inside the adjustment sliding grooves (2). Limiting screw rods (4) are fixed to the bottoms of the adjustment sliders (3). Limiting nuts one (5) are threadedly connected to the outer walls of the limiting screw rods (4). Extrusion rods (6) are fixed to the tops of the adjustment sliders (3). Jack holes (7) are drilled at the front and rear ends of the base plate (1) between adjacent two adjustment sliding grooves (2). U-shaped rods (8) are arranged between adjacent two adjustment sliding grooves (2). External screw teeth (9) are arranged on the outer walls of one ends at the bottoms of the U-shaped rods (8). Limiting nuts two (10) are threadedly connected to the outer walls of one ends of the U-shaped rods (8) through the external screw teeth (9).

2. The positioning tooling for machining the outer circle of the automotive lever arm according to claim 1, characterized in that: The limiting screw rods (4) are all located at the bottom of the base plate (1), and the tops of the limiting nuts one (5) are respectively in contact with the bottom of the base plate (1).

3. The positioning tooling for machining the outer circle of the automotive lever arm according to claim 1, characterized in that: The extrusion rods (6) are respectively located at the top of the base plate (1).

4. The positioning tooling for machining the outer circle of the automotive lever arm according to claim 1, characterized in that: The two ends of the U-shaped rod (8) are respectively in through communication with the jack holes (7) at the matching positions, and the outer diameter sizes of the two ends at the bottom of the U-shaped rod (8) are respectively matched with the inner diameter sizes of the jack holes (7).

5. The positioning tooling for machining the outer circle of the automotive lever arm according to claim 1, wherein: The height distance between the top and the bottom of the U-shaped rod (8) is greater than the height distance between the top end and the bottom end inside the jack hole (7), and the external screw teeth (9) are respectively located at the bottom of the jack hole (7), and the tops of the limiting nuts two (10) are respectively in contact with the bottom of the base plate (1).

6. The positioning tooling for machining the outer circle of the automotive lever arm according to claim 1, wherein: A side plate (11) is fixed to one side of the base plate (1). A mounting seat (12) is fixed to the bottom of the side plate (11). Reinforcing plates (13) are fixed to both ends at the bottom of the base plate (1). The side walls of the reinforcing plates (13) are respectively fixed to the side walls of the side plate (11).

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