Positioning tool for rocker arm drilling

By designing a positioning fixture for rocker arm drilling, the combined action of a cylinder and a pressure block is used to achieve rapid and stable positioning of the rocker arm, which solves the problem of inconvenient operation of existing devices, improves drilling efficiency, and protects the surface of the rocker arm workpiece.

CN224238839UActive Publication Date: 2026-05-15WUHU SONGYUAN MOULD MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUHU SONGYUAN MOULD MFG CO LTD
Filing Date
2025-04-30
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Existing automotive rocker arm drilling devices are inconvenient to operate during the positioning process, resulting in low positioning efficiency and affecting drilling accuracy and efficiency.

Method used

A positioning fixture for rocker arm drilling was designed. A cylinder drives an extrusion plate to horizontally extrude and position the rocker arm workpiece, and a flipping pressure block applies force in the vertical direction to fix it in the groove block. The combination of rubber sleeve and protective pad block avoids damage caused by direct contact and improves positioning stability and efficiency.

Benefits of technology

It achieves rapid and stable positioning of the rocker arm, improves the overall drilling efficiency, and protects the surface integrity of the rocker arm workpiece.

✦ Generated by Eureka AI based on patent content.

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Abstract

The positioning tool comprises a drilling platen, a drilling assembly is installed at the top of the drilling platen, a groove block is welded to the top of the drilling platen, a rocker arm workpiece is placed on the inner wall of the groove block, a first air cylinder is fixedly connected to the top of the drilling platen through a bolt, and a second air cylinder is fixedly connected to the top of the drilling platen through a bolt. The output end of the first air cylinder is fixedly connected with an extrusion plate through a flange, a check block is welded to the top of the drilling table plate, the top of the drilling table plate is fixedly connected with a vertical plate frame through a bolt, and a sliding groove is formed in the surface of the vertical plate frame. According to the rocker arm drilling device, the first air cylinder drives the extrusion plate to horizontally extrude and position a rocker arm workpiece, the rocker arm workpiece is subjected to force application and extrusion in the vertical direction through the overturning pressing block, and the rocker arm workpiece is fixed in the inner wall of the groove block, so that the rocker arm can be rapidly positioned, and the requirement for stable positioning during rocker arm drilling can be met; and good positioning efficiency is achieved, so that the purpose of improving the overall drilling efficiency of the rocker arm is achieved.
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Description

Technical Field

[0001] This utility model belongs to the field of automotive rocker arm processing technology, and in particular relates to a positioning fixture for drilling holes in a rocker arm. Background Technology

[0002] In the production of automotive rocker arm shafts, drilling is required. Existing drilling equipment for automotive rocker arm shafts can meet the basic requirements for drilling. However, it is necessary to ensure the stability of the rocker arm position during drilling to guarantee drilling accuracy. Therefore, positioning fixtures are required.

[0003] In some cases, the rocker arm is positioned using bolts during drilling. However, the bolts need to be rotated before and after drilling, which is inconvenient. Therefore, a positioning fixture for rocker arm drilling is needed to quickly position the rocker arm, ensuring stable positioning during drilling and improving positioning efficiency, thereby enhancing the overall efficiency of rocker arm drilling. Utility Model Content

[0004] The purpose of this utility model is to provide a positioning fixture for radial arm drilling, which can quickly position the radial arm, ensure the stability of positioning during radial arm drilling, and has good positioning efficiency, thereby improving the overall efficiency of radial arm drilling and solving the technical problems mentioned in the background art.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A positioning fixture for rocker arm drilling includes a drilling table: a drilling assembly is installed on the top of the drilling table, a groove block is welded to the top of the drilling table, a rocker arm workpiece is placed on the inner wall of the groove block, a cylinder is fixedly connected to the top of the drilling table by bolts, a pressing plate is fixedly connected to the output end of the cylinder by a flange, a stop block is welded to the top of the drilling table, a vertical plate frame is fixedly connected to the top of the drilling table by bolts, a sliding groove is opened on the surface of the vertical plate frame, a sliding rod is slidably connected to the inner wall of the sliding groove, a cylinder is fixedly installed to the surface of the drilling table by bolts, a sleeve block is fixedly connected to the output end of the cylinder by a flange, a rotating rod is rotatably connected to the inner wall of the vertical plate frame, a pressure block is fixedly connected to the surface of the rotating rod, and a connecting rod is rotatably connected between the pressure block and the sliding rod.

[0006] Preferably, a gasket is attached to the surface of the stop block, and the gasket is a rubber sleeve.

[0007] Preferably, the sleeve block is fixedly connected to the vertical plate frame.

[0008] Preferably, the inner wall of the vertical frame is fixedly connected with a reinforcing rod.

[0009] Preferably, a protective pad is attached to the inner wall of the pressure block.

[0010] The beneficial effects of this utility model are:

[0011] 1. This utility model uses a cylinder to drive an extrusion plate to horizontally extrude and position the rocker arm workpiece, and uses a flipping pressure block to apply force to the rocker arm workpiece in the vertical direction and fix the latter in the inner wall of the groove block. This achieves the goal of quickly positioning the rocker arm, ensuring stable positioning during rocker arm drilling, and has good positioning efficiency, thereby improving the overall efficiency of rocker arm drilling.

[0012] 2. By setting a gasket, this utility model protects the surface of the stop block, avoiding damage to the surface of the rocker arm workpiece when the stop block comes into direct contact with it, thereby improving the protection of the rocker arm workpiece.

[0013] 3. By setting up reinforcing rods, this utility model strengthens the inner wall of the vertical frame, improves the overall integrity of the vertical frame structure, and thus improves the rigidity of the vertical frame structure.

[0014] 4. By setting up protective pads, this utility model protects the inner wall of the pressure block, preventing damage to the top of the rocker arm workpiece when the pressure block comes into direct contact with it, thereby improving the protection of the rocker arm workpiece. Attached Figure Description

[0015] in:

[0016] Figure 1 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0017] Figure 2 This is one embodiment of the present utility model. Figure 1 A magnified view of point A in the middle;

[0018] Figure 3 This is one embodiment of the present utility model. Figure 1 A magnified view of point B in the middle;

[0019] Figure 4 This is a three-dimensional schematic diagram of a pressure block and a connecting rod according to one embodiment of the present invention.

[0020] The attached diagram lists the components represented by each number as follows:

[0021] 1. Drilling table, 2. Drilling assembly, 3. Groove block, 4. Rocker arm workpiece, 5. Cylinder 1, 6. Extrusion plate, 7. Stop block, 8. Sleeve pad, 9. Vertical plate frame, 10. Slide groove, 11. Slide rod, 12. Cylinder 2, 13. Sleeve rod block, 14. Rotating rod, 15. Pressure block, 16. Connecting rod, 17. Reinforcing rod, 18. Protective pad block. Detailed Implementation

[0022] In the following description, embodiments of the positioning fixture for rocker arm drilling according to the present invention will be described with reference to the accompanying drawings.

[0023] Example 1:

[0024] Figure 1-4 This invention illustrates a positioning fixture for rocker arm drilling according to an embodiment of the present invention. It includes a drilling table 1; a drilling assembly 2 is mounted on the top of the drilling table 1; a groove block 3 is welded to the top of the drilling table 1; a rocker arm workpiece 4 is placed on the inner wall of the groove block 3; a cylinder 5 is bolted to the top of the drilling table 1; a pressing plate 6 is flanged to the output end of the cylinder 5; a stop block 7 is welded to the top of the drilling table 1; a rubber sleeve 8 is pasted onto the surface of the stop block 7. The sleeve 8 protects the surface of the stop block 7, preventing direct contact between the stop block 7 and the rocker arm workpiece 4, thus avoiding potential damage. To prevent surface damage, the protection of the rocker arm workpiece 4 is improved. The top of the drilling platform 1 is fixedly connected to the vertical plate frame 9 by bolts. The surface of the vertical plate frame 9 is provided with a sliding groove 10. The inner wall of the sliding groove 10 is slidably connected to the sliding rod 11. The surface of the drilling platform 1 is fixedly installed with the cylinder 12 by bolts. The output end of the cylinder 12 is fixedly connected to the sleeve block 13 by the flange. The sleeve block 13 is fixedly connected to the vertical plate frame 9. The inner wall of the vertical plate frame 9 is rotatably connected to the rotating rod 14. The surface of the rotating rod 14 is fixedly connected to the pressure block 15. The pressure block 15 and the sliding rod 11 are rotatably connected to the connecting rod 16.

[0025] Example 2:

[0026] Figure 1-4This invention illustrates a positioning fixture for rocker arm drilling according to an embodiment of the present invention. It includes a drilling table 1; a drilling assembly 2 is mounted on the top of the drilling table 1; a groove block 3 is welded to the top of the drilling table 1; a rocker arm workpiece 4 is placed on the inner wall of the groove block 3; a cylinder 5 is bolted to the top of the drilling table 1; a pressing plate 6 is bolted to the output end of the cylinder 5; a stop block 7 is welded to the top of the drilling table 1; a vertical plate frame 9 is bolted to the top of the drilling table 1; a sliding groove 10 is formed on the surface of the vertical plate frame 9; a sliding rod 11 is slidably connected to the inner wall of the sliding groove 10; a second cylinder 12 is bolted to the surface of the drilling table 1; and the output end of the second cylinder 12 is bolted to the... A sleeve block 13 is fixedly connected to the flange. A rotating rod 14 is rotatably connected to the inner wall of the vertical plate frame 9. A pressure block 15 is fixedly connected to the surface of the rotating rod 14. A connecting rod 16 is rotatably connected to the pressure block 15 and the sliding rod 11. A reinforcing rod 17 is fixedly connected to the inner wall of the vertical plate frame 9. The reinforcement rod 17 is used to reinforce the inner wall of the vertical plate frame 9, thereby improving the overall structure and rigidity of the vertical plate frame 9. A protective pad 18 is pasted on the inner wall of the pressure block 15. The protective pad 18 is used to protect the inner wall of the pressure block 15, preventing the top of the rocker arm workpiece 4 from being damaged when the pressure block 15 comes into direct contact with it, thereby improving the protection of the rocker arm workpiece 4.

[0027] Working principle: When using this utility model, the user places the rocker arm workpiece 4 on the inner wall of the groove block 3, and then the cylinder 5 drives the extrusion plate 6 to horizontally extrude and position the rocker arm workpiece 4. At this time, under the limiting action of the stop block 7, the rocker arm workpiece 4 is positioned in the horizontal direction. Then, the cylinder 12 is turned on to move the sleeve block 13, so that the sleeve block 13 drives the slide rod 11 to slide in the inner cavity of the slide groove 10. Then, the slide rod 11 drives the pressure block 15 to rotate around the rotating rod 14 through the connecting rod 16. By flipping the pressure block 15, the rocker arm workpiece 4 is pressed in the vertical direction and fixed in the inner wall of the groove block 3. This realizes the rapid positioning of the rocker arm, which can ensure the stable positioning requirement when drilling with the rocker arm and has good positioning efficiency, thereby improving the overall efficiency of rocker arm drilling.

[0028] In summary, this positioning fixture for rocker arm drilling uses cylinder 5 to drive the extrusion plate 6 to horizontally extrude and position the rocker arm workpiece 4, and the flipping pressure block 15 to apply force to the rocker arm workpiece 4 in the vertical direction and fix the latter in the inner wall of the groove block 3. This achieves the goal of quickly positioning the rocker arm, ensuring stable positioning during rocker arm drilling, and has good positioning efficiency, thereby improving the overall efficiency of rocker arm drilling.

Claims

1. A positioning fixture for radial drilling, characterized in that, The system includes a drilling table (1): a drilling assembly (2) is mounted on the top of the drilling table (1), a groove block (3) is welded to the top of the drilling table (1), a rocker arm workpiece (4) is placed on the inner wall of the groove block (3), a cylinder (5) is bolted to the top of the drilling table (1), an extrusion plate (6) is bolted to the output end of the cylinder (5), a stop block (7) is welded to the top of the drilling table (1), and a vertical plate frame (9) is bolted to the top of the drilling table (1). The surface of the vertical plate frame (9) is provided with a sliding groove (10), and a sliding rod (11) is slidably connected to the inner wall of the sliding groove (10). The surface of the drilling platform (1) is fixedly installed with a cylinder (12) by bolts. The output end of the cylinder (12) is fixedly connected with a sleeve block (13) by a flange. The inner wall of the vertical plate frame (9) is rotatably connected with a rotating rod (14), and a pressure block (15) is fixedly connected to the surface of the rotating rod (14). The pressure block (15) and the sliding rod (11) are rotatably connected together by a connecting rod (16).

2. The positioning fixture for radial drilling according to claim 1, characterized in that, The surface of the stop (7) is covered with a gasket (8), which is a rubber sleeve.

3. The positioning fixture for radial drilling according to claim 2, characterized in that, The sleeve block (13) is fixedly connected to the vertical plate frame (9).

4. The positioning fixture for radial drilling according to claim 3, characterized in that, The inner wall of the vertical frame (9) is fixedly connected with a reinforcing rod (17).

5. A positioning fixture for radial drilling according to claim 4, characterized in that, The inner wall of the pressure block (15) is covered with a pad block (18).