Anti-deformation clamping tool for turning arm taper hole turning

Abstract

The utility model relates to clamping frock technical field, concretely is a kind of steering arm taper hole machining anti-deformation clamping frock, including the support seat for installing spare part, the upper portion of support seat is connected with the limiting mechanism for limiting;The limiting mechanism includes the L-shaped plate for supporting cylinder a connected with the upper portion of support seat, the bottom of L-shaped plate is connected with cylinder a for driving presser plate lifting, the output end of cylinder a is connected with pressure sensor a for monitoring pressure.The steering arm taper hole machining anti-deformation clamping frock, by detecting the material deformation threshold of steering arm body, let cylinder b and cylinder a extrusion force less than the deformation threshold, to prevent the deformation of steering arm body is clamped injury;While punching the group of steering arm body of support seat, install the group of steering arm body needed to punch, then start electric push rod, and the two groups of steering arm body on support seat are transposed, quickly up and down material, while improving the security of up and down material.

Description

Technical Field

[0001] This utility model relates to the field of clamping tooling technology, specifically to a deformation-resistant clamping tooling for machining tapered holes in steering arms. Background Technology

[0002] The steering arm, also called a trapezoidal arm, is the last stage of force transmission component in the steering transmission device. The steering knuckle arm is mounted on the left and right steering knuckles, and the other end is connected by a ball pin and a tie rod. When machining the tapered hole, the steering arm needs to be limited by a clamping fixture. The existing clamping fixtures still have certain defects in use, such as:

[0003] Most existing clamping fixtures directly use cylinders to squeeze the steering arm, which can easily deform the steering arm and affect the pass rate. In addition, most existing clamping fixtures only have one clamping position, requiring the operator to clamp the steering arm and wait for the tapered hole to be processed before removing the steering arm, which is inefficient. At the same time, it is dangerous for the operator to load and unload the material under the drilling machine. Utility Model Content

[0004] The purpose of this invention is to provide a deformation-resistant clamping fixture for machining the tapered hole of a steering arm, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a steering arm tapered hole machining anti-deformation clamping fixture, including a support base for mounting parts, and a limiting mechanism for limiting the position connected above the support base;

[0006] The limiting mechanism includes an L-shaped plate connected above the support base, a cylinder a connected to the bottom of the L-shaped plate, and a pressure sensor a for monitoring pressure connected to the output end of the cylinder a.

[0007] The bottom of the pressure sensor a is connected to a pressure plate for limiting the position of the steering arm body. A guide rod for guidance is slidably inserted through the pressure plate and connected to the support base.

[0008] Preferably, the support base is fixedly connected to a plug for insertion and positioning with the steering arm body, and a support plate is connected to the support base to abut against the bottom of the steering arm body.

[0009] Preferably, a cylinder b is connected to the support base, and a pressure sensor b for monitoring pressure is connected to the output end of the cylinder b. A pressure block for limiting the steering arm body is connected to the rear of the pressure sensor b, and the pressure block abuts against the front of the steering arm body.

[0010] Preferably, the bottom of the support base is provided with a support mechanism for support, the support mechanism including a gear connected to the bottom of the support base for driving the support base to rotate.

[0011] Preferably, a support base is connected to the lower part of the gear via a bearing, and an outer annular slide rail and an inner annular slide rail are connected to the upper surface of the base for guidance.

[0012] Preferably, both the outer and inner annular slide rails are abutted against by pulleys for support, and the pulleys are rotatably connected to the bottom of the support base via bearings.

[0013] Preferably, an electric actuator is connected through the inner wall of the inner annular slide rail, and the output end of the electric actuator is connected to a toothed plate for driving the gear to rotate, the toothed plate being engaged with one side of the gear.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. By detecting the material deformation threshold of the steering arm body, the compressive force of cylinder b and cylinder a is kept below the deformation threshold to prevent the steering arm body from being pinched and deformed.

[0016] 2. While drilling holes in one set of steering arm bodies on the support base, install the next set of steering arm bodies that need to be drilled. Then, start the electric actuator to swap the two sets of steering arm bodies on the support base for quick loading and unloading, while improving safety during loading and unloading. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the support base of this utility model;

[0018] Figure 2 This is a three-dimensional structural diagram of the base of this utility model;

[0019] Figure 3 This is a three-dimensional structural diagram of the inner annular slide rail of this utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the pressing block of this utility model;

[0021] Figure 5 This is a three-dimensional structural diagram of the pressure sensor a of this utility model.

[0022] In the diagram: 1. Support base; 2. Limiting mechanism; 201. L-shaped plate; 202. Cylinder a; 203. Pressure sensor a; 204. Pressure plate; 205. Guide rod; 206. Insert; 207. Support plate; 208. Cylinder b; 209. Pressure sensor b; 210. Pressure block; 3. Support mechanism; 301. Gear; 302. Base; 303. Outer annular slide rail; 304. Inner annular slide rail; 305. Pulley; 306. Electric actuator; 307. Gear plate; 4. Steering arm body. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-3 This utility model provides a technical solution: a steering arm tapered hole machining anti-deformation clamping fixture, including a support base 1 for installing parts, a limiting mechanism 2 for limiting the position connected above the support base 1, a steering arm body 4 disposed inside the limiting mechanism 2, and a support mechanism 3 for supporting the bottom of the support base 1.

[0025] The support mechanism 3 includes a gear 301 connected to the bottom of the support base 1 for driving the support base 1 to rotate. The gear 301 is connected to a base 302 for support via a bearing. The upper surface of the base 302 is connected to an outer annular slide rail 303 and an inner annular slide rail 304 for guidance. The outer sides of the outer annular slide rail 303 and the inner annular slide rail 304 are abutted by pulleys 305 for support. The pulleys 305 are rotatably connected to the bottom of the support base 1 via bearings.

[0026] The steering arm tapered hole machining machine uses a deformation-resistant clamping fixture. The pulley 305 rotates in the annular groove outside the outer annular slide rail 303 and the inner annular slide rail 304 to support the support seat 1. The rotating gear 301 drives the support seat 1 to rotate. The support seat 1 drives the pulley 305 to rotate along the inner annular slide rail 304 and the outer annular slide rail 303 to reinforce the support seat 1 and prevent the support seat 1 from tilting and damaging the gear 301 when drilling the steering arm body 4.

[0027] exist Figure 2 and Figure 3 In the middle, an electric actuator 306 is connected through the inner wall of the inner annular slide rail 304. The output end of the electric actuator 306 is connected to a toothed plate 307 for driving the gear 301 to rotate. The toothed plate 307 is meshed with one side of the gear 301.

[0028] The anti-deformation clamping fixture for the steering arm tapered hole machining has two sets of openings on the inner wall of the inner annular slide rail 304. One set of openings is used to install the electric push rod 306, and the other set of openings is used for the toothed plate 307 to pass through. By adjusting the extension length of the electric push rod 306, the distance the toothed plate 307 moves is controlled, thereby controlling the rotation of the support seat 1 and swapping the positions of the two sets of steering arm bodies 4. While drilling one set of steering arm bodies 4, the other set of steering arm bodies 4 is installed. After opening, the positions of the two sets of steering arm bodies 4 are swapped. Compared with the traditional single station, the loading and unloading of steering arm bodies 4 is faster and safer.

[0029] exist Figure 1 and Figure 4 In the middle, the limiting mechanism 2 includes a support base 1 with a plug 206 fixedly connected to it for insertion and positioning with the steering arm body 4, and a support plate 207 connected to the support base 1 to abut against the bottom of the steering arm body 4, with the support plate 207 connected above the support base 1.

[0030] The anti-deformation clamping fixture for the steering arm tapered hole machining inserts the steering arm body 4 into the plug 206, limiting the two sides of the steering arm body 4 so that the steering arm body 4 cannot move to the sides. The support plate 207 has a cross groove to prevent the drill bit from directly damaging the support plate 207 after drilling the steering arm body 4.

[0031] exist Figure 1 , Figure 4 and Figure 5 In the middle, an L-shaped plate 201 is connected above the support base 1, and a cylinder a202 is connected to the bottom of the L-shaped plate 201. A pressure sensor a203 for monitoring pressure is connected to the output end of the cylinder a202.

[0032] The anti-deformation clamping fixture for the steering arm tapered hole machining is used. When the cylinder a202 extends, it drives the pressure plate 204 to press against the steering arm body 4, limiting the up and down movement of the steering arm body 4 and preventing it from moving. The pressure sensor a203 monitors the pressing force of the cylinder a202 and the pressure plate 204 in real time to ensure that the pressure is less than the deformation threshold of the steering arm body 4, thereby preventing the steering arm body 4 from being crushed and deformed.

[0033] exist Figure 1 and Figure 4 In the middle, the bottom of the pressure sensor a203 is connected to a pressure plate 204 for limiting the steering arm body 4. The pressure plate 204 abuts against the upper surface of the steering arm body 4, and a guide rod 205 for guidance is slidably passed through and slidable in the pressure plate 204. The guide rod 205 is connected to the support seat 1.

[0034] The anti-deformation clamping fixture for machining the taper hole of the steering arm has a limit on the pressure plate 204 and prevents it from deflecting when the pressure plate 204 moves up and down.

[0035] exist Figure 1 , Figure 4 and Figure 5 In the middle, a cylinder b208 is connected above the support seat 1 near the front of the pallet 207. The output end of the cylinder b208 is connected to a pressure sensor b209 for monitoring pressure. The rear of the pressure sensor b209 is connected to a pressure block 210 for limiting the steering arm body 4. The pressure block 210 abuts against the front of the steering arm body 4.

[0036] The anti-deformation clamping fixture for the steering arm tapered hole machining is used. When the cylinder b208 extends, it drives the pressure block 210 to press against the steering arm body 4, limiting the front and rear movement of the steering arm body 4 and preventing it from moving. The pressure sensor b209 monitors the pressing force of the cylinder b208 and the pressure block 210 in real time to ensure that the pressure is less than the deformation threshold of the steering arm body 4, thereby preventing the steering arm body 4 from being crushed and deformed.

[0037] In summary: When using this type of steering arm tapered hole machining anti-deformation clamping fixture, firstly, insert the sample steering arm body 4 into the insert 206. Then, activate cylinders a202 and b208 to press the steering arm body 4 in place, and slowly increase the pressing force until the steering arm body 4 deforms. Record the current pressure values ​​of pressure sensors a203 and b209. After reducing this value slightly, set it as the maximum pressure threshold, ensuring that the pressing force of pressure sensors a203 and b209 does not exceed this threshold. Then, remove the sample steering arm body 4, insert the steering arm body 4 requiring drilling into the insert 206, and... Placed on the support plate 207, cylinders a202 and b208 are activated to press down the steering arm body 4, and a drill is used to drill holes. While drilling the steering arm body 4, the next set of steering arm bodies 4 is installed on another set of inserts 206 on the support base 1 and on the support plate 207. After drilling is completed, the electric actuator 306 is activated to drive the support base 1 to swap the two sets of steering arm bodies 4. The next set of steering arm bodies 4 that has not been drilled is moved under the drill for drilling. The drilled steering arm body 4 is removed, and the next set of steering arm bodies 4 that needs to be drilled is installed. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

Claims

1. A deformation-resistant clamping fixture for machining the tapered hole of a steering arm, characterized in that: It includes a support base (1) for mounting components, and a limiting mechanism (2) for limiting is connected above the support base (1); The limiting mechanism (2) includes an L-shaped plate (201) connected above the support base (1), a cylinder a (202) connected to the bottom of the L-shaped plate (201), and a pressure sensor a (203) for monitoring pressure connected to the output end of the cylinder a (202). The bottom of the pressure sensor a (203) is connected to a pressure plate (204) for limiting the steering arm body (4). A guide rod (205) for guiding is slidably inserted through the pressure plate (204) and is connected to the support base (1).

2. The anti-deformation clamping tool for machining the taper hole of a steering arm according to claim 1, characterized in that: The support base (1) is fixedly connected to a plug (206) for insertion and positioning with the steering arm body (4), and a support plate (207) is connected to the support base (1) to abut against the bottom of the steering arm body (4).

3. The anti-deformation clamping tool for machining the taper hole of a steering arm according to claim 2, characterized in that: A cylinder b (208) is connected to the support base (1). The output end of the cylinder b (208) is connected to a pressure sensor b (209) for monitoring pressure. The rear part of the pressure sensor b (209) is connected to a pressure block (210) for limiting the steering arm body (4). The pressure block (210) abuts against the front part of the steering arm body (4).

4. The anti-deformation clamping tool for machining the taper hole of a steering arm according to claim 1, characterized in that: The bottom of the support base (1) is provided with a support mechanism (3) for support, and the support mechanism (3) includes a gear (301) connected to the bottom of the support base (1) for driving the support base (1) to rotate.

5. The anti-deformation clamping tool for machining the taper hole of a steering arm according to claim 4, characterized in that: The gear (301) is connected to a support base (302) via a bearing below it. The upper surface of the base (302) is connected to an outer annular slide rail (303) and an inner annular slide rail (304) for guidance.

6. The anti-deformation clamping tool for machining the taper hole of a steering arm according to claim 5, characterized in that: The outer annular slide rail (303) and the inner annular slide rail (304) are both abutted by pulleys (305) for support, and the pulleys (305) are rotatably connected to the bottom of the support base (1) through bearings.

7. The anti-deformation clamping tool for machining the taper hole of a steering arm according to claim 5, characterized in that: An electric actuator (306) is connected through the inner wall of the inner annular slide rail (304). The output end of the electric actuator (306) is connected to a toothed plate (307) for driving the gear (301) to rotate. The toothed plate (307) is meshed with one side of the gear (301).

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