Camshaft automatic detection equipment

Abstract

The invention discloses camshaft automatic detection equipment, and belongs to the technical field of camshaft production. The device comprises a workbench, a support is fixedly connected to the upper side of the workbench, two fixing plates are symmetrically and fixedly connected in the support, a plurality of cameras are fixedly installed on the side walls of the two fixing plates, a simulation assembly is installed on the lower side of the support, and the simulation assembly comprises a plurality of second threaded rods rotationally penetrating through the support. The outer sides of the second threaded rods are in threaded connection with threaded blocks, and the threaded blocks are in sliding connection with the support. In the process of detecting the cam shaft, the square rod and the cam abut against each other to extrude the cam, then simulation operation on the use environment of the cam is formed, then detection operation on the cam and the surface of the shaft rod can be formed under the action of the first micro tension sensor, and the detection effect is good.

Description

Technical Field

[0001] The invention relates to the technical field of camshaft production, and in particular to automatic camshaft detection equipment. Background Art

[0002] The camshaft is a component in a piston engine. Its function is to control the opening and closing of the valves. The main body of the camshaft is a cylindrical rod with a length approximately the same as that of the cylinder group. It is covered with several cams to drive the valves. During the production process of the camshaft, the camshaft needs to be inspected. The camshaft is placed on a workbench and rotated. At the same time, multiple cameras are used to shoot. The cameras transmit the captured data to a computer, which is used for analysis to finally complete the inspection of the camshaft surface defects. The overall operation is simple. However, in the actual working process, during the inspection of the camshaft, the camshaft is directly placed on the lower side of the camera without simulating the actual use environment of the camshaft, which leads to low accuracy of the inspection result of the camshaft. At the same time, when the camera is used for inspection, the inspection operation of the connection effect between the cam and the shaft rod cannot be detected, and the side wall of the cam is rounded, and the rounded surface is relatively smooth. The camera cannot well complete the inspection of the rounded surface. Therefore, a camshaft automatic inspection device is provided. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings in the prior art and to propose a camshaft automatic detection device.

[0004] The present invention adopts the following technical solutions: A camshaft automatic detection device comprises a workbench, wherein the upper side of the workbench is fixedly connected to a bracket, two fixed plates are symmetrically fixedly connected in the bracket, and multiple cameras are fixedly installed on the side walls of the two fixed plates, and a simulation component is installed on the lower side of the bracket, and the simulation component comprises multiple second threaded rods that rotate and pass through the bracket, and the outer sides of the multiple second threaded rods are threadedly connected to threaded blocks, and the threaded blocks are slidably connected to the bracket, and the lower side of the threaded block is fixedly connected to an electric push rod, and the lower side of the electric push rod is fixedly connected to a third threaded rod, and the lower side of the third threaded rod is slidably connected to a moving cylinder, and a second spring is fixedly connected between the moving cylinder and the third threaded rod, and a first miniature tension sensor is also fixedly installed between the moving cylinder and the third threaded rod, and the lower side of the moving cylinder is fixedly connected to a fixed frame, and a square rod is fixedly connected in the fixed frame, and two control plates are slidably connected to the outer sides of the square rod, and the first spring is fixedly connected between the two control plates and the fixed frame.

[0005] Preferably, a control component is installed on the outside of the fixed frame, and the control component includes a threaded ring rotatably installed on the upper side of the movable cylinder, the second threaded rod threadably penetrates the threaded ring, two first connecting rods are fixedly connected to the lower side of the threaded ring, the lower sides of the two first connecting rods are commonly fixedly connected to a rotating ring, a blocking rod is fixedly connected to the outer side of the rotating ring, the front and rear sides of the two control plates are fixedly connected to second connecting rods, the upper sides of the four second connecting rods are fixedly connected to triangular plates, and a second miniature tension sensor is fixedly connected between the control plate and the fixed frame.

[0006] Preferably, a detection component is installed on the side wall of the control panel, and the detection component includes a slide plate slidably installed on the side wall of the control panel, a third spring is fixedly connected between the slide plate and the control panel, a third miniature tension sensor is also fixedly installed between the slide plate and the control panel, an inclined rod is fixedly connected to the side wall of the control panel, and a switch button is fixedly connected to the side wall of the inclined rod.

[0007] Preferably, the blocking rod and the side wall of the triangular plate are both smoothly arranged.

[0008] Preferably, a clamping assembly is installed on the upper side of the workbench, and the clamping assembly includes two clamping plates fixedly installed on the upper side of the workbench, and the side walls of the two clamping plates are rotatably connected to two rotating rods, the side wall of one of the clamping plates is fixedly connected to a motor, one of the rotating rods and the output end of the motor is fixedly connected, and the side walls of the two clamping plates are rotatably connected to multiple rotating cylinders, and gears are fixedly connected to the outer sides of the multiple rotating cylinders and the rotating rods, and the adjacent gears are meshed with each other, and a first threaded rod is threaded through each rotating cylinder, and one end of the first threaded rod is fixedly connected to a rotating plate, and the side walls of the rotating plate are circumferentially fixedly connected to multiple clamping rods.

[0009] Preferably, a non-slip rubber pad is fixedly sleeved on the outer sides of the plurality of clamping rods.

[0010] Preferably, knobs are fixedly connected to outer sides of the first threaded rod and the second threaded rod.

[0011] The beneficial effects of the present invention are: 1. First, in the process of testing the camshaft, the square rod and the cam are pressed against each other to form a simulation operation of the cam use environment. Then, under the action of the first micro-tension sensor, the cam and the shaft surface can be tested, and the test effect is good. 2. Then, when the cam surface is detected, the control board and the cam side wall are against each other. Under the action of the second micro-tension sensor, the cam side wall can be detected. At the same time, the control board moves back and forth, which will also cause the cam to be struck. As the cam is struck, it can be observed whether the electrical signal emitted by the second micro-tension sensor changes after the control board and the cam are against each other, thereby completing the detection operation of the connection effect between the cam and the shaft rod; 3. Finally, when inspecting the camshaft, the inclined rod is always against the rounded surface of the cam side wall. If there is a defect on the rounded surface of the cam side wall, the control circuit of the electric push rod will be activated, causing the electric push rod to move upward. It can not only complete the inspection operation of the rounded surface of the cam side wall, but also when a defect is detected on the rounded surface of the cam side wall, the electric push rod will automatically move upward, which can have a certain reminder effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural schematic diagram of a camshaft automatic detection device proposed by the present invention; Figure 2 This is a structural schematic diagram of a clamping assembly in a camshaft automatic detection device proposed by the present invention; Figure 3 A top view connection diagram of a clamping assembly in a camshaft automatic detection device proposed by the present invention; Figure 4 A top view connection diagram of a camshaft automatic detection device proposed by the present invention; Figure 5 This is a schematic diagram of the connection between a threaded block, an electric push rod and a moving cylinder in a camshaft automatic detection device proposed by the present invention; Figure 6 This is a cross-sectional connection diagram of a moving cylinder in a camshaft automatic detection device proposed by the present invention; Figure 7 This is a connection diagram of a fixed frame in a camshaft automatic detection device proposed by the present invention; Figure 8 This is a connection schematic diagram of another angle of a fixed frame in a camshaft automatic detection device proposed by the present invention; Fig. 9 This is a structural schematic diagram of a control board in a camshaft automatic detection device proposed by the present invention; Fig.10 This is a diagram showing the actual working of a control panel in a camshaft automatic detection device proposed by the present invention.

[0013] In the figure: 1 workbench, 2 bracket, 3 simulation component, 301 threaded block, 302 second threaded rod, 303 electric push rod, 304 third threaded rod, 305 moving cylinder, 306 fixed frame, 307 square rod, 308 control board, 309 first spring, 310 threaded ring, 311 first connecting rod, 312 rotating ring, 313 blocking rod, 314 triangular plate, 315 first micro tension sensor, 316 second spring, 317 second connecting rod, 318 second micro tension sensor, 319 third spring, 320 slide plate, 321 oblique rod, 322 switch button, 323 third micro tension sensor, 4 clamping component, 41 clamping plate, 42 motor, 43 rotating rod, 44 gear, 45 rotating cylinder, 46 rotating plate, 47 clamping rod, 48 first threaded rod, 5 fixed plate, 6 camera. DETAILED DESCRIPTION

[0014] See also Figure 1-Figure 10 A camshaft automatic detection device includes a workbench 1, a bracket 2 is fixedly connected to the upper side of the workbench 1, two fixed plates 5 are symmetrically fixedly connected inside the bracket 2, and multiple cameras 6 are fixedly installed on the side walls of the two fixed plates 5. A simulation component 3 is installed on the lower side of the bracket 2, such as Figure 4 , Figure 5 , Figure 6 The simulation component 3 includes a plurality of second threaded rods 302 that rotate and pass through the bracket 2, the outer sides of the plurality of second threaded rods 302 are threadedly connected with a threaded block 301, the threaded block 301 and the bracket 2 are slidably connected, an electric push rod 303 is fixedly connected to the lower side of the threaded block 301, a third threaded rod 304 is fixedly connected to the lower side of the electric push rod 303, a moving cylinder 305 is slidably connected to the lower side of the third threaded rod 304, a second spring 316 is fixedly connected between the moving cylinder 305 and the third threaded rod 304, a first micro tension sensor 315 is also fixedly installed between the moving cylinder 305 and the third threaded rod 304, a fixed frame 306 is fixedly connected to the lower side of the moving cylinder 305, a square rod 307 is fixedly connected inside the fixed frame 306, two control boards 308 are slidably connected to the outer side of the square rod 307, and a first spring 309 is fixedly connected between the two control boards 308 and the fixed frame 306; First, the first micro tension sensor 315 can accurately detect tension and pressure sensors. Secondly, the camshaft is composed of a shaft and a plurality of cams fixed on the shaft. When the cam working surface on the camshaft needs to be detected, the camshaft is clamped on the clamping assembly 4, and then the second threaded rod 302 is rotated according to the position of the camshaft. Since the threaded block 301 and the bracket 2 are connected for left and right sliding, the rotating second threaded rod 302 will drive the threaded block 301 to move left and right relative to the bracket 2. The threaded block 301 drives the moving cylinder 305 to move left and right through the electric push rod 303. The moving cylinder 305 drives the control board 308 to move left and right through the fixed frame 306 and the square rod 307 until the fixed frame 306 moves. The two control plates 308 are moved away from each other until they are just above the cam. The control plates 308 compress the first spring 309, and the electric push rod 303 is started, so that the movable cylinder 305 drives the fixed frame 306 to move downward, and the fixed frame 306 drives the control plate 308 to move downward through the square rod 307 until the square rod 307 and the working surface of the cam are butted against each other, and the control plate 308 is released. Under the action of the first spring 309, the control plate 308 and the side wall of the cam are butted against each other, and then the camshaft is rotated. The camshaft is first photographed and detected by the camera 6. This is a prior art and no unnecessary details are given. Then, during the rotation of the camshaft, the cam and the square rod 307 are butted against each other, which will cause the square rod 307 to bring The movable fixed frame 306 and the movable cylinder 305 move upward relative to the electric push rod 303. When the movable cylinder 305 compresses the second spring 316, the first micro-tension sensor 315 sends out a corresponding electrical signal. In this process, as the camshaft rotates, the square rod 307 and the cam are abutted against each other, and the electrical signal sent by the first micro-tension sensor 315 gradually changes. In this process, the pressure of the square rod 307 on the cam can simulate the actual use environment of the camshaft, and the change of the electrical signal sent by the first micro-tension sensor 315 can be observed. The change of the electrical signal sent by the first micro-tension sensor 315 is relatively gentle. If there is a sudden large change in the electrical signal sent by the first micro-tension sensor 315, the electric signal of the first micro-tension sensor 315 will be greatly increased. , it means that there is a defect on the cam working surface, and then the detection operation of the cam working surface is completed. In the above working process, after the detection of the cam working surface is completed, the electric push rod 303 can be started again, so that the electric push rod 303 drives the fixed frame 306 to move upward through the third threaded rod 304 and the moving cylinder 305, and the fixed frame 306 drives the control plate 308 to move upward through the square rod 307 until the cam moves out from between the two control plates 308, and the second threaded rod 302 is rotated again, and the second threaded rod 302 drives the threaded block 301 to move, so that the control plate 308 on the lower side of the threaded block 301 moves until the cam moves out from between the two control plates 308, and the electric push rod 303 is started again.The electric push rod 303 drives the fixed frame 306 to move downward through the third threaded rod 304 and the moving cylinder 305, and the fixed frame 306 drives the control board 308 to move downward through the square rod 307 until the control board 308 and the shaft are against each other, and then the camshaft is rotated again. During this process, the first micro-tension sensor 315 will also send out an electrical signal. However, at this time, if there is no defect on the surface of the shaft, the electrical signal sent by the first micro-tension sensor 315 will not change. If there is a defect on the surface of the shaft, it will cause the electrical signal sent by the first micro-tension sensor 315 to change, thereby completing the detection effect of the shaft surface; In the above-mentioned detection process, the positions of all the fixed frames 306 can be adjusted in turn so that each fixed frame 306 corresponds to a different cam, and then the camshafts to be detected are installed on the clamping assembly 4 in turn. After the detection of the cam on the outside of a camshaft is completed, the camshaft is removed from the clamping assembly 4 and then installed on the adjacent clamping assembly 4, and the detection operation is performed again until all the cams on the camshaft are detected.

[0015] like Figure 2 , Figure 3 A clamping assembly 4 is installed on the upper side of the workbench 1. The clamping assembly 4 includes two clamping plates 41 fixedly installed on the upper side of the workbench 1. The side walls of the two clamping plates 41 are rotatably connected to two rotating rods 43. The side wall of one of the clamping plates 41 is fixedly connected to a motor 42. One of the rotating rods 43 is fixedly connected to the output end of the motor 42. The side walls of the two clamping plates 41 are rotatably connected to a plurality of rotating cylinders 45. Gears 44 are fixedly connected to the outer sides of the plurality of rotating cylinders 45 and the rotating rods 43. Adjacent gears 44 are meshed with each other. A first threaded rod 48 is threadedly penetrated in each rotating cylinder 45. A rotating plate 46 is fixedly connected to one end of the first threaded rod 48. A plurality of clamping rods 47 are circumferentially fixedly connected to the side wall of the rotating plate 46. Non-slip rubber pads are fixedly sleeved on the outer sides of the plurality of clamping rods 47. When the camshaft needs to be inspected, the camshaft is placed between the clamping rods 47 on both sides, the rotating cylinder 45 is held and then the first threaded rod 48 is rotated to rotate the first threaded rod 48 relative to the rotating cylinder 45 until the clamping rod 47 and the shaft rod of the camshaft are abutted against each other, thereby completing the clamping and fixing operation of the camshaft, and then starting the motor 42, the motor 42 drives the rotating rod 43 to rotate, the rotating rod 43 drives all the rotating cylinders 45 to rotate through the gear 44, the rotating cylinder 45 drives the rotating plate 46 and the clamping rod 47 to rotate through the first threaded rod 48, the clamping rod 47 drives the camshaft to rotate, and then the corresponding inspection operation can be started.

[0016] like Figure 7 , Figure 8A control assembly is installed on the outside of the fixed frame 306, and the control assembly includes a threaded ring 310 rotatably installed on the upper side of the moving cylinder 305, and the second threaded rod 302 is threadedly penetrated through the threaded ring 310, and two first connecting rods 311 are fixedly connected to the lower side of the threaded ring 310, and a rotating ring 312 is fixedly connected to the lower side of the two first connecting rods 311, and a blocking rod 313 is fixedly connected to the outer side of the rotating ring 312, and the front and rear sides of the two control plates 308 are fixedly connected to the second connecting rods 317, and the upper sides of the four second connecting rods 317 are fixedly connected to the triangular plate 314, and a second micro tension sensor 318 is fixedly connected between the control plate 308 and the fixed frame 306, and the side walls of the blocking rod 313 and the triangular plate 314 are both smoothly set; First, the second micro-tension sensor 318 has the same structure, function and principle as the first micro-tension sensor 315, and both can accurately measure pressure and tension. While detecting the cam working surface, since the control board 308 and the cam side wall are against each other, the second micro-tension sensor 318 also sends out a corresponding electrical signal. During the rotation of the camshaft, the electrical signal sent by the second micro-tension sensor 318 can be observed. If the electrical signal sent by the second micro-tension sensor 318 is in a constant state, it means that there is no defect in the cam side wall on the camshaft, and the cam side wall is in the moving cylinder. In the process of the up-and-down movement of the threaded ring 310 relative to the second threaded rod 302, since the threaded ring 310 and the second threaded rod 302 are threadedly connected, and the threaded ring 310 and the moving cylinder 305 are rotating, the moving cylinder 305 moving up and down will drive the threaded ring 310 to move up and down. When the threaded ring 310 moves up and down, the threaded ring 310 will also rotate relative to the moving cylinder 305. The threaded ring 310 drives the rotating ring 312 to rotate through the first connecting rod 311, and the rotating ring 312 drives the blocking rod 313 to rotate. When the blocking rod 313 and the triangular plate 314 are against each other, it will cause The triangle plate 314 moves in the direction away from the moving cylinder 305, and the triangle plate 314 drives the control plate 308 to slide along the square rod 307 through the second connecting rod 317, thereby causing one of the control plates 308 on the lower side of the fixed frame 306 to move, and the control plate 308 compresses the first spring 309 again and disconnects from the cam side wall. When the blocking rod 313 and the triangle plate 314 are disconnected, under the action of the first spring 309, the movable control plate 308 moves in the direction close to the cam side wall, and the control plate 308 abuts against the cam side wall again, thereby causing the cam to be pressed against the cam. When the wheel is being tested, the cam will be struck. As the cam is struck, it can be observed whether the electrical signal emitted by the second micro-tension sensor 318 changes after the control board 308 and the cam are against each other. If the electrical signal emitted by the second micro-tension sensor 318 does not change, it means that the connection between the cam and the shaft is good. If the electrical signal emitted by the second micro-tension sensor 318 changes, it means that there is looseness between the cam and the shaft, and the connection between the cam and the shaft is poor, thereby completing the detection operation of the connection effect between the cam and the shaft.

[0017] like Fig. 9 , Fig.10 A detection assembly is installed on the side wall of the control board 308, and the detection assembly includes a slide plate 320 slidably installed on the side wall of the control board 308, a third spring 319 is fixedly connected between the slide plate 320 and the control board 308, a third micro tension sensor 323 is also fixedly installed between the slide plate 320 and the control board 308, an inclined rod 321 is fixedly connected to the side wall of the control board 308, and a switch button 322 is fixedly connected to the side wall of the inclined rod 321; First, the third micro tension sensor 323 and the first micro tension sensor 315 have the same structure, function and principle, and can both accurately measure pressure and tension. The switch button 322 is electrically connected to the electric push rod 303 through a wire, and the two switch buttons 322 are connected in parallel. When at least one switch button 322 is pressed, the control circuit of the electric push rod 303 is in a closed state. When none of the switch buttons 322 are pressed, the control circuit will cause the electric push rod 303 to move upward. This is the conventional working principle of the switch button 322 and the conventional electrical control with the electric push rod 303, which belongs to the relatively familiar prior art, so no unnecessary elaboration is made. During the position adjustment process of the control board 308 and the square rod 307, when the control board 308 and the cam side wall are against each other, the inclined rod 321 just against the rounded surface formed by the cam side wall and the working surface, such as Fig.10 As shown, when the control plate 308 moves downward, the slide plate 320 as a whole will move upward relative to the control plate 308, and the inclined rod 321 will drive the switch button 322 to move upward, and the switch button 322 and the square rod 307 will abut against each other. In the process of detecting the cam, that is, when the cam is rotating, the control plate 308 will move relative to the fixed frame 306, but the control plates 308 on both sides will not move at the same time. Therefore, in this process, if there is no defect on the rounded surface of the cam side wall, at least one switch button 322 and a square rod 307 will abut against each other, and the electric push rod 303 will not move upward. If there is a defect on the rounded surface of the cam side wall, the inclined rod 321 abutting against the rounded surface will move downward relative to the control plate 308, thereby causing the switch button 322 and the square rod 307 to be disconnected, causing the electric push rod 303 to move upward. Not only can the detection operation of the rounded surface of the cam side wall be completed, but when a defect is detected on the rounded surface of the cam side wall, the electric push rod 303 will automatically move upward, which will also have a certain reminder effect, reminding the staff to take corresponding measures.

[0018] Knobs are fixedly connected to the outer sides of the first threaded rod 48 and the second threaded rod 302 , so as to better realize the rotation operation of the first threaded rod 48 and the second threaded rod 302 .

[0019] In the present invention, when the camshaft needs to be inspected, the camshaft is placed between the clamping rods 47 on both sides, the rotating cylinder 45 is held and then the first threaded rod 48 is rotated to rotate the first threaded rod 48 relative to the rotating cylinder 45 until the clamping rod 47 and the shaft of the camshaft are butted against each other, thereby completing the clamping and fixing operation of the camshaft, and then starting the motor 42, the motor 42 drives the rotating rod 43 to rotate, the rotating rod 43 drives all the rotating cylinders 45 to rotate through the gear 44, the rotating cylinder 45 drives the rotating plate 46 and the clamping rod 47 to rotate through the first threaded rod 48, the clamping rod 47 drives the camshaft to rotate, and the cam is photographed and inspected by multiple cameras 6. The above are all prior arts and no redundant description is given.According to the position of the camshaft, the second threaded rod 302 is rotated. Since the threaded block 301 and the bracket 2 are connected for left and right sliding, the rotating second threaded rod 302 will drive the threaded block 301 to move left and right relative to the bracket 2. The threaded block 301 drives the moving cylinder 305 to move left and right through the electric push rod 303. The moving cylinder 305 drives the control plate 308 to move left and right through the fixed frame 306 and the square rod 307 until the fixed frame 306 moves to the top of the cam. The two control plates 308 are moved away from each other. The control plate 308 compresses the first spring 309 and starts the electric push rod 303, so that the moving cylinder 305 drives the fixed frame 306 to move downward. The fixed frame 306 drives the control plate 308 downward through the square rod 307 The first micro-tension sensor 315 is moved until the square rod 307 and the working surface of the cam are against each other, and the control plate 308 is released. Under the action of the first spring 309, the control plate 308 and the side wall of the cam are against each other, and then the camshaft is rotated. The camshaft is first photographed and detected by the camera 6. This is a prior art and no unnecessary details are given. Then, during the rotation of the camshaft, the cam and the square rod 307 are against each other, which will cause the square rod 307 to drive the fixed frame 306 and the moving cylinder 305 to move upward relative to the electric push rod 303. When the moving cylinder 305 compresses the second spring 316, the first micro-tension sensor 315 sends a corresponding electrical signal. In this process, as the camshaft rotates, the square rod 307 and the cam are against each other, and the first micro-tension sensor 315 sends a corresponding electrical signal. 5, the electric signal emitted by the square rod 307 gradually changes. In this process, the pressure of the square rod 307 on the cam can simulate the actual use environment of the camshaft, and the change of the electric signal emitted by the first micro tension sensor 315 can be observed. The change of the electric signal emitted by the first micro tension sensor 315 is relatively gentle. If the electric signal emitted by the first micro tension sensor 315 suddenly changes greatly, it means that there is a defect in the cam working surface, and then the detection operation of the cam working surface is completed. In the above working process, after the detection of the cam working surface is completed, the electric push rod 303 can be started again, so that the electric push rod 303 drives the fixed frame 306 to move upward through the third threaded rod 304 and the moving cylinder 305, and the fixed frame 306 moves upward through the third threaded rod 304 and the moving cylinder 305. The square rod 307 drives the control plate 308 to move upward until the cam moves out from between the two control plates 308. The second threaded rod 302 is rotated again, and the second threaded rod 302 drives the threaded block 301 to move, so that the control plate 308 on the lower side of the threaded block 301 moves until the cam moves out from between the two control plates 308. The electric push rod 303 is started again, so that the electric push rod 303 drives the fixed frame 306 to move downward through the third threaded rod 304 and the moving cylinder 305. The fixed frame 306 drives the control plate 308 to move downward through the square rod 307 until the control plate 308 and the shaft rod are against each other. Then the camshaft is rotated again. In this process, the first micro tension sensor 315 will also send an electrical signal, but at this time,If there is no defect on the surface of the shaft, the electrical signal emitted by the first micro-tension sensor 315 will not change. If there is a defect on the surface of the shaft, the electrical signal emitted by the first micro-tension sensor 315 will change, thereby completing the detection effect of the shaft surface; In the above detection process, the positions of all the fixing frames 306 can be adjusted in sequence so that each fixing frame 306 corresponds to a different cam, and then the camshafts to be detected are installed on the clamping assembly 4 in sequence. After the detection of the cam on the outer side of a camshaft is completed, the camshaft is removed from the clamping assembly 4 and then installed on the adjacent clamping assembly 4, and the detection operation is performed again until all the cams on the camshaft are detected. While the cam working surface is being detected, since the control board 308 and the cam side wall are against each other, the second micro tension sensor 318 also sends out a corresponding electrical signal. During the rotation of the camshaft, the electrical signal sent out by the second micro tension sensor 318 can be observed. If the electrical signal sent out by the second micro tension sensor 318 is in a constant state, it means that there is no defect in the cam side wall on the camshaft, and in the process of the moving cylinder 305 moving up and down relative to the second threaded rod 302, due to the contact between the threaded ring 310 and the second threaded rod 302, the threaded ring 310 and the second threaded rod 302 are in contact with each other. 2 is threadedly connected, and the threaded ring 310 and the moving cylinder 305 are rotating, so the moving cylinder 305 moving up and down will drive the threaded ring 310 to move up and down. When the threaded ring 310 moves up and down, the threaded ring 310 will also rotate relative to the moving cylinder 305. The threaded ring 310 drives the rotating ring 312 to rotate through the first connecting rod 311, and the rotating ring 312 drives the blocking rod 313 to rotate. When the blocking rod 313 and the triangular plate 314 are against each other, the triangular plate 314 will move away from the moving cylinder 305, and the triangular plate 314 will move away from the moving cylinder 305. The control plate 308 is driven to slide along the square rod 307 by the second connecting rod 317, thereby causing one of the control plates 308 on the lower side of the fixed frame 306 to move, and the control plate 308 compresses the first spring 309 again and disconnects from the cam side wall. When the blocking rod 313 and the triangular plate 314 are disconnected, under the action of the first spring 309, the movable control plate 308 moves toward the direction close to the cam side wall, and the control plate 308 abuts against the cam side wall again, thereby causing the cam to be struck when the cam is detected. With the striking of the cam, it can be observed whether the electrical signal emitted by the second micro tension sensor 318 changes after the control plate 308 abuts against the cam. If the electrical signal emitted by the second micro tension sensor 318 does not change, it means that the connection effect between the cam and the shaft rod is good. If the electrical signal emitted by the second micro tension sensor 318 changes, it means that there is looseness between the cam and the shaft rod, and the connection effect between the cam and the shaft rod is poor, thereby completing the detection operation of the connection effect between the cam and the shaft rod; When the control plate 308 and the cam side wall abut against each other, the inclined rod 321 just abuts against the rounded surface formed by the cam side wall and the working surface. Fig.10 As shown, when the control plate 308 moves downward, the slide plate 320 as a whole will move upward relative to the control plate 308, and the inclined rod 321 will drive the switch button 322 to move upward, and the switch button 322 and the square rod 307 will abut against each other. In the process of detecting the cam, that is, when the cam is rotating, the control plate 308 will move relative to the fixed frame 306, but the control plates 308 on both sides will not move at the same time. Therefore, in this process, if there is no defect on the rounded surface of the cam side wall, at least one switch button 322 and a square rod 307 will abut against each other, and the electric push rod 303 will not move upward. If there is a defect on the rounded surface of the cam side wall, the inclined rod 321 abutting against the rounded surface will move downward relative to the control plate 308, thereby causing the switch button 322 and the square rod 307 to be disconnected, causing the electric push rod 303 to move upward. Not only can the detection operation of the rounded surface of the cam side wall be completed, but when a defect is detected on the rounded surface of the cam side wall, the electric push rod 303 will automatically move upward, which will also have a certain reminder effect, reminding the staff to take corresponding measures.

Claims

1. A camshaft automatic detection device, comprising a workbench (1), characterized in that: The upper side of the workbench (1) is fixedly connected to a bracket (2), two fixed plates (5) are symmetrically fixedly connected inside the bracket (2), and a plurality of cameras (6) are fixedly installed on the side walls of the two fixed plates (5). A simulation component (3) is installed on the lower side of the bracket (2), and the simulation component (3) comprises a plurality of second threaded rods (302) that rotate and penetrate the bracket (2), the outer sides of the plurality of second threaded rods (302) are threadedly connected to a threaded block (301), the threaded block (301) and the bracket (2) are slidably connected, the lower side of the threaded block (301) is fixedly connected to an electric push rod (303), and the lower side of the electric push rod (303) is fixedly connected to a third threaded rod (301). 04), a moving cylinder (305) is slidably connected to the lower side of the third threaded rod (304), a second spring (316) is fixedly connected between the moving cylinder (305) and the third threaded rod (304), a first miniature tension sensor (315) is also fixedly installed between the moving cylinder (305) and the third threaded rod (304), a fixed frame (306) is fixedly connected to the lower side of the moving cylinder (305), a square rod (307) is fixedly connected inside the fixed frame (306), two control plates (308) are slidably connected to the outer side of the square rod (307), and a first spring (309) is fixedly connected between the two control plates (308) and the fixed frame (306).

2. The camshaft automatic detection device according to claim 1, characterized in that: A control component is installed on the outside of the fixed frame (306), and the control component includes a threaded ring (310) rotatably installed on the upper side of the moving cylinder (305), the second threaded rod (302) is threadedly penetrated by the threaded ring (310), two first connecting rods (311) are fixedly connected to the lower side of the threaded ring (310), a rotating ring (312) is fixedly connected to the lower side of the two first connecting rods (311), a blocking rod (313) is fixedly connected to the outer side of the rotating ring (312), the front and rear sides of the two control plates (308) are fixedly connected to second connecting rods (317), the upper sides of the four second connecting rods (317) are fixedly connected to triangular plates (314), and a second micro tension sensor (318) is fixedly connected between the control plate (308) and the fixed frame (306).

3. The camshaft automatic detection device according to claim 2, characterized in that: A detection assembly is installed on the side wall of the control panel (308), and the detection assembly includes a slide plate (320) slidably installed on the side wall of the control panel (308); a third spring (319) is fixedly connected between the slide plate (320) and the control panel (308); a third micro tension sensor (323) is also fixedly installed between the slide plate (320) and the control panel (308); an inclined rod (321) is fixedly connected to the side wall of the control panel (308); and a switch button (322) is fixedly connected to the side wall of the inclined rod (321).

4. The camshaft automatic detection device according to claim 2, characterized in that: The side walls of the blocking rod (313) and the triangular plate (314) are both smoothly arranged.

5. The camshaft automatic detection device according to claim 3, characterized in that: A clamping assembly (4) is installed on the upper side of the workbench (1), and the clamping assembly (4) includes two clamping plates (41) fixedly installed on the upper side of the workbench (1), and the side walls of the two clamping plates (41) are rotatably connected to two rotating rods (43), and the side wall of one of the clamping plates (41) is fixedly connected to a motor (42), and one of the rotating rods (43) is fixedly connected to the output end of the motor (42), and the side walls of the two clamping plates (41) are rotatably connected to a plurality of rotating cylinders (45), and the outer sides of the plurality of rotating cylinders (45) and the rotating rods (43) are fixedly connected to gears (44), and the adjacent gears (44) are meshed with each other, and each of the rotating cylinders (45) is threadedly penetrated by a first threaded rod (48), and one end of the first threaded rod (48) is fixedly connected to a rotating plate (46), and the side wall of the rotating plate (46) is circumferentially fixedly connected to a plurality of clamping rods (47).

6. The camshaft automatic detection device according to claim 5, characterized in that: The outer sides of the plurality of clamping rods (47) are fixedly sleeved with anti-skid rubber pads.

7. The camshaft automatic detection device according to claim 6, characterized in that: Knobs are fixedly connected to the outer sides of the first threaded rod (48) and the second threaded rod (302).

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