Safety protection device for piston pin production
By designing components such as the support frame and cutting chamber, the problems of fixing piston pins of different diameters and splashing of cutting debris are solved, stable cutting and safe protection of the piston pins are achieved, and the automation and safety performance of the equipment are improved.
Patent Information
- Application Number
- CN202422725920.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-11-08
AI Technical Summary
Existing ultra-precision engine piston pin CNC machining equipment cannot stably fix piston pins of different diameters, and debris splashes during cutting, causing safety hazards, and has a low degree of automation.
A safety protection device is designed, which includes a first support frame, a cutting chamber, a pushing limiter, a dust suction pipe and a cutting piece. The piston pin is limited, pushed, clamped and cut by a telescopic cylinder and a motor drive, and is equipped with a dust suction device to clean debris.
It realizes stable limited cutting of piston pins with different diameters, prevents debris from splashing, improves the automation and safety of the equipment, saves manpower and material resources, and improves work efficiency.
Smart Images

Figure CN223431015U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to piston pin production technical field, especially a safety device for piston pin production. BACKGROUND
[0002] Piston pin is a cylindrical pin installed in the skirt of the piston. It is usually made of high-quality alloy steel. The piston pin numerical control processing equipment cuts off the piston pin machining element according to the required length, which is convenient for later processing and use.
[0003] The existing super-precision engine piston pin numerical control processing equipment cannot fix piston pins of different diameters, reducing the convenience of equipment use. When fixing the piston pin, the device cannot check whether the piston pin is fixed stably through the fixed extrusion force. Meanwhile, the device cannot automatically move the piston pin to the cutting position, reducing the automatic degree of the equipment. Moreover, when cutting the piston pin, debris will splash, causing injury to the workers and being difficult to clean. SUMMARY
[0004] Therefore, the utility model aims at providing a safety device for piston pin production, which can limit different diameter piston pins, facilitate cutting, and realize protection during cutting.
[0005] The utility model adopts the following method: a safety device for piston pin production, comprising a first support frame and a cutting bin, the first support frame and the cutting bin are arranged left and right, the cutting bin left and right side surface all are equipped with the material mouth, the cutting bin upper surface is provided with cutting piece, the cutting bin inner lower surface is equipped with the collection groove, the first support frame is provided with the push limiting piece that is used for realizing piston pin push and clamping.
[0006] Further, the dust collection pipe is embedded on the right end of the upper surface of the cutting bin, and the dust collection pipe is connected with a dust collection hopper.
[0007] Further, the filter plate is arranged in the upper end of the collection groove.
[0008] Further, the first telescopic cylinder is embedded on the left and right ends of the front and rear surfaces in the cutting bin, and the telescopic rod of the first telescopic cylinder is provided with a limiting plate.
[0009] Further, the cutting piece comprises a cutting blade, the second support frame is arranged on the upper surface of the cutting bin, the second telescopic cylinder is embedded on the second support frame, the telescopic rod of the second telescopic cylinder is provided with a U-shaped frame, the U-shaped frame is provided with the cutting blade, and the side surface of the U-shaped frame is provided with a first motor for driving the cutting blade to rotate.
[0010] Furthermore, the pushing limiter includes a synchronous motor, and the front and rear surfaces of the first support frame are provided with strip grooves, the synchronous motor is arranged in the strip groove, the output end of the synchronous motor is connected to a screw, a moving block is spirally sleeved on the screw, a moving seat is arranged between the front and rear moving blocks, a second motor is embedded in the right side of the moving seat, a rotating disk is provided at the end of the output shaft of the second motor, and fixed blocks are provided at the front and rear ends of the right side of the rotating disk, a third telescopic cylinder is embedded in the fixed block, and a clamping block is provided at the end of the telescopic rod of the third telescopic cylinder.
[0011] The beneficial effects of the present invention are as follows: a cutting piece, a pushing limiting piece, a collecting trough and a dust suction hopper are added to the device, which can limit and fix piston pins of different diameters and push them to the cutting piece for cutting. The cutting chamber can be used for protection during cutting to prevent debris from splashing, and the dust suction hopper can also suck away the debris, thereby better improving the safety performance. The present invention has a simple structure and is easy to operate, which can effectively save manpower and material resources and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural diagram of the present utility model.
[0013] Figure 2 It is a top view of the utility model. DETAILED DESCRIPTION
[0014] The present invention will be further described below with reference to the accompanying drawings.
[0015] See also Figure 1 and Figure 2 As shown, the present invention provides an embodiment: a safety protection device for piston pin production, comprising a first support frame 1 and a cutting chamber 2. The first support frame 1 and the cutting chamber 2 are arranged on the left and right sides. The cutting chamber 2 has a material opening 3 on both the left and right sides. The cutting chamber 2 has a cutting element 4 on the upper surface, and a collection trough 5 on the lower surface. The first support frame 1 is provided with a push-limiting member 6 for pushing and clamping the piston pin. The push-limiting member 6 can limit the piston pin and push the piston pin into the cutting chamber 2, so that the cutting element 4 can cut the piston pin.
[0016] Please continue reading Figure 1 and Figure 2 As shown, in one embodiment of the present invention, a dust suction pipe 21 is embedded at the right end of the upper surface of the cutting chamber 2, and a dust suction hopper 22 is connected to the air inlet end of the dust suction pipe 21. The dust suction hopper 22 can absorb debris when the piston pin is cut.
[0017] Please continue reading Figure 1 and Figure 2 As shown, in one embodiment of the present invention, a filter plate 51 is provided at the upper end of the collecting tank 5 so that debris can be filtered into the collecting tank 5 through the filter plate 51 .
[0018] Please continue reading Figure 1 and Figure 2 As shown, in one embodiment of the present invention, first telescopic cylinders 23 are embedded in both the left and right ends of the front and rear surfaces of the cutting chamber 2. A limit plate 24 is provided at the end of the telescopic rod of the first telescopic cylinder 23. The first telescopic cylinder 23 can drive the limit plate 24 to move forward and backward, thereby clamping and fixing the piston pin, facilitating the cutting of the piston pin.
[0019] Please continue reading Figure 1 and Figure 2 As shown, in one embodiment of the present invention, the cutting element 4 includes a cutting blade 41. A second support frame 42 is provided on the upper surface of the cutting chamber 2. A second telescopic cylinder 43 is embedded in the second support frame 42. A U-shaped frame 44 is provided at the end of the telescopic rod of the second telescopic cylinder 43. The cutting blade 41 is disposed within the U-shaped frame 44. A first motor 45 is provided on the side of the U-shaped frame 44 for driving the cutting blade 41 to rotate. The second telescopic cylinder 43 can drive the cutting blade 41 to rise and fall, and the first motor 45 can rotate the cutting blade 41, thereby achieving the cutting effect of the piston pin.
[0020] Please continue reading Figure 1 and Figure 2 As shown, in one embodiment of the present invention, the pushing limit member 6 includes a synchronous motor (not shown), and the front and rear surfaces of the first supporting frame 1 are provided with strip grooves 61, and the synchronous motor is arranged in the strip groove 61, and the output end of the synchronous motor is connected to a screw 62, and a moving block 63 is spirally sleeved on the screw 62, and a moving seat 64 is provided between the front and rear ends of the moving blocks 63, and a second motor 65 is embedded in the right side of the moving seat 64, and a rotating disk 66 is provided at the end of the output shaft of the second motor 65, and a fixed block 67 is provided at the front and rear ends of the right side of the rotating disk 66, and a third telescopic cylinder 68 is embedded in the fixed block 67, and a clamping block 69 is provided at the end of the telescopic rod of the third telescopic cylinder 68. The synchronous motor can drive the screw 62 to rotate, and the rotation of the screw 62 can realize the left and right movement of the movable seat 64. The third telescopic cylinder 68 can drive the clamping block 69 to move up and down, thereby clamping and fixing the piston pin. The second motor 65 can drive the rotating disk 66 to rotate, thereby facilitating the cutting operation of the piston pin.
[0021] The synchronous motor, the motor and the telescopic cylinder in the present invention are all prior art, and those skilled in the art are already well aware of them, so they will not be described in detail here.
[0022] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.
Claims
1. A safety protection device for piston pin production, characterized by: It includes a first support frame and a cutting chamber, the first support frame and the cutting chamber are arranged on the left and right, the left and right sides of the cutting chamber are provided with material openings, the upper surface of the cutting chamber is provided with a cutting piece, the lower surface of the cutting chamber is provided with a collecting groove, and the first support frame is provided with a pushing limit piece for pushing and clamping the piston pin.
2. A safety protection device for piston pin production according to claim 1, characterized in that: A dust suction pipe is embedded at the right end of the upper surface of the cutting chamber, and the air inlet end of the dust suction pipe is connected to a dust suction hopper.
3. The safety protection device for piston pin production according to claim 1, characterized in that: A filter plate is provided at the upper end of the collecting tank.
4. The safety protection device for piston pin production according to claim 1, characterized in that: First telescopic cylinders are embedded in both left and right ends of the front and rear surfaces of the cutting chamber, and a limit plate is provided at the end of the telescopic rod of the first telescopic cylinder.
5. The safety protection device for piston pin production according to claim 1, characterized in that: The cutting piece includes a cutting blade, a second supporting frame is provided on the upper surface of the cutting chamber, a second telescopic cylinder is embedded in the second supporting frame, a U-shaped frame is provided at the end of the telescopic rod of the second telescopic cylinder, the cutting blade is provided in the U-shaped frame, and a first motor for driving the cutting blade to rotate is provided on the side of the U-shaped frame.
6. The safety protection device for piston pin production according to claim 1, characterized in that: The pushing limiter includes a synchronous motor, and the front and rear surfaces of the first support frame are provided with strip grooves, the synchronous motor is arranged in the strip groove, the output end of the synchronous motor is connected to a screw, a moving block is spirally sleeved on the screw, a moving seat is arranged between the front and rear moving blocks, a second motor is embedded in the right side of the moving seat, a rotating disk is provided at the end of the output shaft of the second motor, and fixed blocks are provided at the front and rear ends of the right side of the rotating disk, a third telescopic cylinder is embedded in the fixed block, and a clamping block is provided at the end of the telescopic rod of the third telescopic cylinder.