Numerical control camshaft punching and grinding device

By designing a CNC camshaft drilling and grinding device, using components such as positioning electric cylinders, rotating motors, clampers, etc., the camshaft is quickly positioned, drilled and grinded, and the hole drilling and grinding are solved in the existing technology. The problem of inconvenient positioning improves processing efficiency and accuracy.

CN222471483UActive Publication Date: 2025-02-14CHONGQING KAICHI AUTO PARTS MFG CO LTD
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Patent Information

Application Number
CN202420506219.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-14
Publication Date
2025-02-14
Estimated Expiration
2034-03-14

AI Technical Summary

Technical Problem

In the prior art, the grinding device and the punching device are used separately, which is inconvenient to quickly drill and grind the same camshaft, and lacks a hole-punching positioning structure that is convenient to position, making it difficult to quickly position and align camshafts of different sizes.

Method used

A CNC camshaft drilling and grinding device is designed, including base, side positioning seat, positioning electric cylinder, rotating electric machine, T-frame, mobile pile, clamp, pneumatic piston, chuck cylinder and drilling rig and other components. The collaborative work of these components enables rapid positioning, drilling and grinding of the camshaft.

Benefits of technology

The rapid positioning and drilling of the camshaft are achieved, which improves processing efficiency, ensures smoothness and accuracy of the holes, and simplifies the processing process of camshafts of different sizes.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222471483U_ABST
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Abstract

The utility model provides a numerical control camshaft punching and grinding device, which relates to the technical field of camshaft processing and comprises a base, two groups of side positioning seats are fixedly arranged on two sides of the top of the base, a positioning electric cylinder is fixedly arranged outside the left side positioning seat, and a rotating motor is fixedly arranged outside the right side positioning seat; a T-shaped frame is fixedly arranged on the rear side of the top of the base, and the two sides of the top of the T-shaped frame are bent forwards. Two sets of moving piles are arranged on the front side face of the T-shaped frame in a sliding mode and matched with the guide rails, dual control over punching and grinding is provided, different drilling machines are driven by a vertical electric cylinder to descend, the two steps of punching and grinding can be conducted, servo motors are adopted as two sets of driving motors, positioning is achieved through program control, and stability and safety are achieved. And the problem that an existing grinding device lacks a punching positioning structure convenient to position is solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of camshaft processing, and more specifically, particularly relates to a numerical control camshaft drilling and grinding device. Background Art

[0002] When processing the camshaft, an assembly hole needs to be opened in the middle. Generally, burrs will be produced after direct drilling, so it is also necessary to grind it to ensure the smoothness of the hole, and it can also repair and expand the hole.

[0003] Based on the above, the currently used grinding device and punching device are used separately, which is inconvenient to quickly punch and grind the same shaft, lacks a punching positioning structure that is convenient for positioning, and is inconvenient to quickly position and align camshafts of different sizes. Utility Model Content

[0004] In order to solve the above-mentioned technical problems, the utility model provides a CNC camshaft drilling and grinding device to solve the problems proposed in the above-mentioned background technology that the grinding device and the drilling device are used separately, it is inconvenient to quickly drill and grind the same shaft, there is a lack of a drilling positioning structure for convenient positioning, and it is inconvenient to quickly position and align camshafts of different sizes.

[0005] The purpose and effect of the numerically controlled camshaft drilling and grinding device of the utility model are achieved by the following specific technical means:

[0006] The numerically controlled camshaft drilling and grinding device comprises a base, wherein two groups of side positioning seats are fixedly arranged on both sides of the top of the base, a positioning electric cylinder is fixedly arranged outside the left side positioning seat, and a rotating motor is fixedly arranged outside the right side positioning seat; a T-shaped frame is fixedly arranged on the top rear side of the base, and both sides of the top of the T-shaped frame are turned forward; two groups of movable piles are arranged on the front side surface of the T-shaped frame to cooperate with the guide rail sliding.

[0007] Furthermore, a rotating top plate is rotatably arranged at the telescopic end of the positioning electric cylinder in cooperation with the bearing, and a rotating ball is embedded and rotatably arranged at one end of the rotating top plate contacting the camshaft.

[0008] Furthermore, a universal joint is fixedly connected to the shaft end of the rotating motor, and a positioning chuck is fixedly arranged at the other end of the universal joint; a chuck electric cylinder is fixedly arranged at a position below the rotating motor, and the chuck electric cylinder can contact the positioning chuck when extended.

[0009] Furthermore, four groups of side piles are fixedly arranged on both sides of the top of the base, pneumatic pistons are fixedly arranged on adjacent surfaces of the side piles on both sides, a clamp is fixedly arranged on the telescopic end of the pneumatic piston, and the bottom of the clamp is slidably arranged on the top of the base in cooperation with the guide rail; an air pump is fixedly arranged at the rear end of the T-shaped frame, and an air circuit is arranged to connect the air pump and the pneumatic piston.

[0010] Furthermore, two groups of bearing members are fixedly arranged at the top of the base between the clamps on both sides, and two groups of rollers are rotatably arranged at the tops of the bearing members and the clamps, and the two groups of rollers above the clamps are tilted downward.

[0011] Furthermore, two groups of movable lead screws are rotatably arranged in the T-shaped frame, and two groups of drive motors are fixedly arranged at both ends of the T-shaped frame, and the drive motors respectively drive a group of movable lead screws; and each movable lead screw is threadedly connected to a group of movable piles.

[0012] Furthermore, a sliding guide seat is fixedly provided at the front end of the movable pile, and a vertical electric cylinder is fixedly provided at the top of the movable pile; a drilling rig is vertically slidably provided at the front end of the sliding guide seat, a sliding seat is provided at the rear end of the drilling rig and is slidably connected to the sliding guide seat, and the telescopic end of the vertical electric cylinder is connected to the sliding seat; the drill bits and grinding rollers are respectively installed at the shaft ends of the two sets of drilling rigs.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] Two sets of mobile piles are set up to provide dual control of drilling and grinding. Different drilling rigs are driven to descend by vertical electric cylinders to perform both drilling and grinding steps. Both sets of drive motors use servo motors, and program control is used to achieve positioning, which is stable and safe, and does not affect the disassembly and assembly of the camshaft.

[0015] The clamp is set up to provide a quick positioning and alignment function. The air is pumped using an air pump to input air into each group of pneumatic pistons. The clamp is pushed forward to clamp and fix the camshaft, which can automatically center it. The chuck electric cylinder is installed. After installation, the chuck electric cylinder automatically maintains balance with the camshaft. Starting the rotating motor in conjunction with the universal joint can also drive the camshaft to rotate and adjust the angle.

[0016] The positioning electric cylinder and the chuck electric cylinder are set up to fix the two ends of the camshaft, which is convenient for subsequent drilling and grinding. After completing the drilling and grinding, both sets of drilling rigs are raised and reset to their original positions. The air pump is reversed to extract the air in the pneumatic pistons on both sides to achieve restoration and unlock the camshaft. The whole process is quick and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the working structure of the utility model.

[0019] Figure 3 This utility model Figure 2 Another angle diagram of the structure.

[0020] Figure 4 It is a schematic diagram of the working state structure of the utility model.

[0021] Figure 5 This utility model Figure 2 Schematic diagram of the back structure.

[0022] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0023] 1. Base; 101. Side positioning seat; 102. Positioning electric cylinder; 103. Rotating top plate; 104. Rotating motor; 105. Universal joint; 106. Positioning chuck; 107. Side pile; 108. Pneumatic piston; 109. Clamp; 110. Bearing member; 111. Chuck electric cylinder; 2. T-shaped frame; 201. Moving screw; 202. Driving motor; 3. Moving pile; 301. Sliding guide seat; 302. Vertical electric cylinder; 4. Drilling rig; 401. Sliding seat; 5. Air pump. DETAILED DESCRIPTION

[0024] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0025] Embodiment 1:

[0026] As attached Figure 1 To Attachment Figure 5 As shown:

[0027] The utility model provides a numerically controlled camshaft drilling and grinding device, comprising a base 1, two groups of side positioning seats 101 are fixedly arranged on both sides of the top of the base 1, a positioning electric cylinder 102 is fixedly arranged outside the left side positioning seat 101, and a rotating motor 104 is fixedly arranged outside the right side positioning seat 101; a T-shaped frame 2 is fixedly arranged on the rear side of the top of the base 1, and both sides of the top of the T-shaped frame 2 are turned forward; two groups of moving piles 3 are slidingly arranged on the front side of the T-shaped frame 2 in cooperation with the guide rail.

[0028] The telescopic end of the positioning electric cylinder 102 is provided with a rotating top plate 103 for rotation in cooperation with the bearing, and a rotating ball is embedded in one end of the rotating top plate 103 that contacts the camshaft.

[0029] Among them, the shaft end of the rotating motor 104 is fixedly connected with a universal joint 105, and the other end of the universal joint 105 is fixedly provided with a positioning chuck 106; a chuck electric cylinder 111 is fixedly provided at the position below the rotating motor 104, and the chuck electric cylinder 111 can contact the positioning chuck 106 when extended.

[0030] Among them, four groups of side piles 107 are fixedly arranged on both sides of the top of the base 1, and pneumatic pistons 108 are fixedly arranged on the adjacent surfaces of the side piles 107 on both sides. A clamp 109 is fixedly arranged at the telescopic end of the pneumatic piston 108, and the bottom of the clamp 109 is slidably arranged on the top of the base 1 in cooperation with the guide rail; an air pump 5 is fixedly arranged at the rear end of the T-shaped frame 2, and an air circuit is arranged to connect the air pump 5 and the pneumatic piston 108.

[0031] Among them, two groups of supporting members 110 are fixedly arranged at the top of the base 1 between the clamps 109 on both sides, and two groups of rollers are rotatably arranged on the top of the supporting members 110 and the clamps 109, and the two groups of rollers above the clamps 109 are tilted downward.

[0032] Among them, two groups of movable screws 201 are rotatably arranged in the T-shaped frame 2, and two groups of driving motors 202 are fixedly arranged at both ends of the T-shaped frame 2. The driving motors 202 respectively drive a group of movable screws 201; each movable screw 201 is threadedly connected to a group of movable piles 3.

[0033] The front end of the mobile pile 3 is fixedly provided with a sliding guide seat 301, and the top of the mobile pile 3 is fixedly provided with a vertical electric cylinder 302; the front end of the sliding guide seat 301 is vertically slidably provided with a drilling rig 4, the rear end of the drilling rig 4 is provided with a sliding seat 401 which is slidably connected with the sliding guide seat 301, and the telescopic end of the vertical electric cylinder 302 is connected with the sliding seat 401; the shaft ends of the two groups of drilling rigs 4 are respectively installed with drill bits and grinding rollers

[0034] Install the camshaft Figure 2-5 The camshaft is placed on the top of the carrier 110 in a manner as shown in FIG. 1 , and then the air pump 5 is started to extract air, and the air is input into each group of pneumatic pistons 108, and the four groups of pneumatic pistons 108 are opened. The camshaft is clamped and fixed by the clamp 109, and is automatically centered. Then, the chuck electric cylinder 111 is installed. After installation, the chuck electric cylinder 111 automatically maintains balance with the camshaft. The rotating motor 104 is started to cooperate with the universal joint 105 to drive the camshaft to rotate and adjust.

[0035] Starting and extending the positioning electric cylinder 102 and the chuck electric cylinder 111 can fix the two ends of the camshaft, and drilling can be performed at this time; directly starting a group of driving motors 202 to drive the corresponding moving screws 201 to rotate, and the moving screws 201 drive a group of moving piles 3 to move, and move the moving piles 3 to the drilling position;

[0036] Pre-adjust the drill 4 to ensure that the shaft end of the drill 4 is vertically aligned with the center of the carrier 110 and the axis of the camshaft, and ensure that the position of the drill hole is aligned with the camshaft;

[0037] Then start the vertical electric cylinder 302 to lower the drilling rig 4. The drilling rig 4 can drill holes on the camshaft after starting the drilling rig 4. After drilling, reset the vertical electric cylinder 302 and then move the group of movable piles 3 to a position where it does not affect the movement of another group of movable piles 3.

[0038] Embodiment 2:

[0039] On the basis of Example 1, another set of drilling machines 4 is lowered, and a grinding roller is installed on the other set of drilling machines 4. The grinding roller can be used to grind the position of the drill hole. Both sets of driving motors 202 use servo motors, and the steps of drilling and grinding are controlled by programs to achieve positioning;

[0040] After both sets of drilling machines 4 are raised and reset to their original positions, the air pump 5 is reversed to extract the air in the pneumatic pistons 108 on both sides to achieve restoration, and the camshaft can be unlocked and removed.

[0041] Embodiment 3:

[0042] On the basis of Example 1, if the drilling positions in the camshaft are different, the processing angle can be adjusted by rotating the camshaft by rotating the rotating top plate 103 .

[0043] The specific usage and function of this embodiment are as follows:

[0044] In the utility model, when in use, the base 1 is mounted on the processing platform for use;

[0045] Install the camshaft Figure 2-5 The pneumatic pistons 108 are placed on the top of the carrier 110 in a manner, and then the air pump 5 is started to extract air, and the air is input into each group of pneumatic pistons 108, and the four groups of pneumatic pistons 108 are opened. The camshaft is clamped and fixed by the clamp 109, and it is automatically centered, and then the chuck electric cylinder 111 is installed. The chuck electric cylinder 111 automatically maintains balance with the camshaft after installation, and the rotating motor 104 is started to cooperate with the universal joint 105 to drive the camshaft to rotate and adjust;

[0046] Starting and extending the positioning electric cylinder 102 and the chuck electric cylinder 111 can fix the two ends of the camshaft, and drilling can be performed at this time;

[0047] Directly start a set of driving motors 202 to drive the corresponding moving screws 201 to rotate, and the moving screws 201 drive a set of moving piles 3 to move, and move the moving piles 3 to the drilling position, and then start the vertical electric cylinder 302 to lower the drilling rig 4, and the drilling rig 4 can drill holes on the camshaft after starting the drilling rig 4, and reset the vertical electric cylinder 302 after drilling, and then move the moving piles 3 to a position that does not affect the movement of another set of moving piles 3;

[0048] Another set of drilling machines 4 is lowered, and grinding rollers are installed on the other set of drilling machines 4. The grinding rollers can be used to grind the position of the drilled holes. Both sets of driving motors 202 use servo motors, and the positioning is achieved by program control.

[0049] After both sets of drilling machines 4 are raised and reset to their original positions, the air pump 5 is reversed to extract the air in the pneumatic pistons 108 on both sides to achieve restoration and unlock the camshaft.

Claims

1. CNC camshaft drilling and grinding device, characterized in that: include: The base comprises two sets of side positioning seats fixedly arranged on both sides of the top of the base, a positioning electric cylinder is fixedly arranged outside the left side positioning seat, and a rotating motor is fixedly arranged outside the right side positioning seat; a T-shaped frame is fixedly arranged on the top rear side of the base, and both sides of the top of the T-shaped frame turn forward; two sets of moving piles are slidingly arranged on the front side of the T-shaped frame in cooperation with the guide rail.

2. The CNC camshaft drilling and grinding device according to claim 1, characterized in that: The telescopic end of the positioning electric cylinder is provided with a rotating top plate in cooperation with the bearing for rotation, and a rotating ball is embedded in one end of the rotating top plate contacting the cam shaft.

3. The CNC camshaft drilling and grinding device according to claim 1, characterized in that: A universal joint is fixedly connected to the shaft end of the rotating motor, and a positioning chuck is fixedly arranged at the other end of the universal joint; a chuck electric cylinder is fixedly arranged at a position below the rotating motor, and the chuck electric cylinder can contact the positioning chuck when it is extended.

4. The CNC camshaft drilling and grinding device according to claim 1, characterized in that: Four groups of side piles are fixedly arranged on both sides of the top of the base, pneumatic pistons are fixedly arranged on adjacent surfaces of the side piles on both sides, a clamp is fixedly arranged on the telescopic end of the pneumatic piston, and the bottom of the clamp is slidably arranged on the top of the base in cooperation with the guide rail; an air pump is fixedly arranged on the rear end of the T-shaped frame, and an air circuit is arranged to connect the air pump and the pneumatic piston.

5. The numerically controlled camshaft drilling and grinding device according to claim 4, characterized in that: Two groups of bearing members are fixedly arranged at the top of the base between the clamps on both sides, and two groups of rollers are rotatably arranged at the tops of the bearing members and the clamps, and the two groups of rollers above the clamps are tilted downward.

6. The numerically controlled camshaft drilling and grinding device according to claim 1, characterized in that: Two groups of movable lead screws are rotatably arranged in the T-shaped frame, and two groups of driving motors are fixedly arranged at both ends of the T-shaped frame. The driving motors respectively drive a group of movable lead screws; and each movable lead screw is threadedly connected with a group of movable piles.

7. The numerically controlled camshaft drilling and grinding device according to claim 1, characterized in that: A sliding guide seat is fixedly provided at the front end of the movable pile, and a vertical electric cylinder is fixedly provided at the top of the movable pile; a drilling rig is vertically slidably provided at the front end of the sliding guide seat, a sliding seat is provided at the rear end of the drilling rig and is slidably connected to the sliding guide seat, and the telescopic end of the vertical electric cylinder is connected to the sliding seat; a drill bit and a grinding roller are respectively installed at the shaft ends of the two sets of drilling rigs.