Automatic rivet chamfering equipment and rivet chamfering method

Abstract

The invention discloses automatic rivet chamfering equipment and a rivet chamfering method, and relates to the technical field of chamfering equipment.The automatic rivet chamfering equipment comprises a working frame and a conveying mechanism, a lifting plate is slidably mounted on the surface of the working frame, an electric push rod is fixedly mounted on the lower portion of the top of the working frame, and the lifting plate is slidably mounted on the conveying mechanism; a servo motor is fixedly installed below the lifting plate, a chamfering tool is fixedly installed at the output end of the servo motor, and the chamfering device comprises a supporting plate, a rotating column, a rotating feeding disc, a limiting plate, a clamping block, a connecting plate, a pressing plate, a bearing rod, a connecting rod, a sliding plate, a sliding rod and a ratchet wheel. According to the automatic chamfering equipment for the rivets, the rivets are clamped and fixed through movable contact of the clamping blocks, meanwhile, automatic feeding and discharging of the rivets are achieved through the sliding rod and the ratchet wheel, full-automatic chamfering work of the rivets is achieved, the failure rate of the equipment is effectively reduced, and the applicability and the machining efficiency of the equipment are improved.

Description

Technical Field

[0001] The invention relates to the technical field of chamfering equipment, and in particular to an automatic rivet chamfering equipment and a rivet chamfering method. Background Art

[0002] The rivet automatic chamfering equipment is an automated equipment used in the rivet processing process. It is mainly used to chamfer the end of the rivet to improve the quality and efficiency of riveting. Rivet chamfering refers to forming a certain slope or chamfer at the end of the rivet, which makes it easier for the rivet to combine with the workpiece and ensures the tightness and strength of the riveting.

[0003] The patent with patent announcement number CN115625383B relates to an automatic chamfering device for rivets and a rivet chamfering method, which relates to the field of chamfering equipment, and includes a feeding mechanism, a conveying mechanism, a first detection mechanism, a chamfering mechanism and a discharging mechanism; the feeding mechanism includes a vibrating plate and a slide; the conveying mechanism includes a workbench, a conveying table and a first driving member; the workbench is provided with a feeding station, a chamfering station and a discharging station; a receiving trough is provided on the conveying table, and the conveying table drives the workpiece to pass through the chamfering station and the discharging station in sequence; the first detection mechanism detects the length of the workpiece and outputs the length value to the controller, and the controller outputs the feed value; the chamfering mechanism includes a base, a spindle motor, a first driving member and a tool, the first driving member drives the spindle motor to slide toward the chamfering station according to the feed value, and the tool is used to chamfer the workpiece; the discharging mechanism includes a discharging trough, and the discharging trough is used to send out the chamfered workpiece, and the chamfering processing of rivets of different lengths is realized by performing length detection on the rivets in advance.

[0004] In the above patent, the chamfering of rivets of different lengths is achieved by detecting the length of the rivets in advance. However, in the actual process of chamfering the rivets, the detection mechanism is prone to malfunction after long-term use, thereby increasing the subsequent maintenance cost and reducing the chamfering efficiency of the rivets. For this reason, an automatic rivet chamfering device with a better chamfering device is designed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a rivet automatic chamfering device and a rivet chamfering method, which solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: an automatic rivet chamfering equipment, including a working frame and a feeding mechanism, wherein a lifting plate is slidably installed on the surface of the working frame, an electric push rod is fixedly installed under the top of the working frame, a servo motor is fixedly installed under the lifting plate, and a chamfering tool is fixedly installed on the output end of the servo motor, and also includes: a chamfering device, the chamfering device includes a supporting plate, a rotating column, a rotating feeding tray, a limiting plate, a clamping block, a connecting plate, a pressing plate, a receiving rod, a connecting rod, a sliding plate, a sliding rod and a ratchet, when the lifting plate moves downward, it drives one end of the connecting rod to move downward, and the one end of the connecting rod moves downward to drive the sliding plate to move in a direction close to the rotating column, and the movement of the sliding plate drives the sliding rod to move, the supporting plate is fixedly installed on the surface of the working frame, and the rotating column rotates through The cam is fixedly mounted on the working surface of the working frame, and the clamping block slides through the inner and outer walls of the limiting plate. The connecting plate is fixedly mounted on the top of the clamping block, the pressing plate is fixedly mounted on the bottom of the lifting plate, and the receiving rod is fixedly mounted on the bottom of the pressing plate. The connecting rod is rotatably mounted on the bottom of the lifting plate, and the sliding plate is rotatably mounted on an end of the connecting rod away from the lifting plate. A moving groove is provided on the surface of the sliding plate, and the sliding rod is slidably mounted on the inner wall of the moving groove. The ratchet is mounted on the circumferential surface of the rotating column. The sliding plate is slidably connected to the supporting plate, and the movement of the connecting plate drives the clamping block to move, and the clamping block moves to contact and clamp the rivet, and the movement of the sliding plate drives the sliding rod to move. When the sliding rod moves, it drives the ratchet to rotate in the limited state.

[0007] According to the above technical solution, a sliding groove is provided on the surface of the working frame, the pressure plate is slidably connected to the inner wall of the sliding groove, the receiving rod is slidably connected to the inner wall of the sliding groove, a guide groove is provided on the surface of the connecting plate, the end of the receiving rod away from the pressure plate is in contact with the inner wall of the guide groove, the end of the clamping block away from the connecting plate is set to an arc surface, the receiving rod moves downward through the guide groove to drive the connecting plate to move toward the rotating feeding disk, the movement of the connecting plate drives the clamping block to move, the clamping block moves to contact and clamp the rivet.

[0008] According to the above technical solution, a feeding trough is provided on the surface of the rotating feeding disk, and the number of tooth blocks on the feeding trough and the surface of the ratchet is the same. The rotation of the ratchet drives the rotating column to rotate, and the rotation of the rotating column drives the rotating feeding disk to rotate. The rotating feeding disk rotates to transport the rivets on the surface of the feeding mechanism to the position to be processed, and moves the chamfered rivets out of the position to be processed. A spring is arranged between the sliding rod and the inner wall of the movable groove. The sliding rod moves to squeeze the spring and resets under its action. After the sliding rod moves, it resets and clamps the ratchet.

[0009] According to the above technical scheme, the surface of the work frame is provided with a lubrication device for auxiliary chamfering, and the lubrication device includes an oil storage tank and a filter plate. The oil storage tank is fixedly installed above the work frame, and the filter plate is fixedly installed on the inner wall of the oil storage tank. The lubrication device also includes a quantitative frame, a pressure frame, a pressure rod, a fixed plate and an oil guide pipe. The connecting plate moves downward and drives the pressure rod to move downward, and the pressure rod moves downward and drives the pressure frame to move downward. The quantitative frame is fixedly installed above the work frame, and the pressure frame is slidably installed on the inner wall of the quantitative frame. The pressure rod is fixedly installed above the pressure frame, and the fixed plate is fixedly installed above the limit plate. The oil guide pipe is fixedly passed through the left and right walls of the fixed plate. The pressure frame continues to move downward to pump the cutting oil inside the quantitative frame into the inside of the oil guide pipe, and sprays the rivets at the processing position.

[0010] According to the above technical solution, the oil guide pipe is elastic, an oil outlet hole is provided on the surface of the oil storage tank, and an oil inlet hole is provided on the surface of the quantitative frame. The oil storage tank and the quantitative frame are connected through the oil outlet hole and the oil inlet hole. The pressing frame moves downward to close the oil inlet hole to prevent the cutting oil inside the oil storage tank from continuing to enter the interior of the quantitative frame.

[0011] According to the above technical solution, one end of the oil guide pipe away from the fixed plate is fixedly passed through the upper and lower walls of the pressure frame, and one end of the pressure rod away from the pressure frame is fixedly connected to the connecting plate. The cutting oil can flush the debris generated during the chamfering process into the interior of the oil storage tank and filter out the debris under the action of the filter plate.

[0012] According to the above technical scheme, it also includes a discharging device, which includes a guide rod, a drainage rod, an L-shaped rod, a protrusion and a receiving block. When the pressure frame moves downward, it contacts and squeezes the L-shaped rod to move in a direction away from the quantitative frame. The movement of the L-shaped rod drives the receiving block to move. The guide rod is fixedly installed on the inner wall of the oil storage tank, the drainage rod is fixedly installed on the circumferential surface of the guide rod, the L-shaped rod is slidably installed on the inner wall of the oil outlet hole, the protrusion is fixedly installed below the filter plate, and a lifting groove is opened on the surface of the L-shaped rod. The receiving block is slidably installed on the inner wall of the lifting groove. The cut oil on the surface of the guide rod will be drained to the inside of the oil storage tank under the action of the drainage rod.

[0013] According to the above technical solution, the guide rod is arranged at an angle, the end of the L-shaped rod close to the quantitative frame is arranged as a bevel, the lower part of the protrusion is arranged as arc surface one, the upper part of the receiving block is arranged as arc surface two, a telescopic elastic rod one is arranged between the L-shaped rod and the inner wall of the oil storage tank, a telescopic elastic rod two is arranged between the receiving block and the inner wall of the lifting groove, and the telescopic elastic rod two is reset after being contracted so that the receiving block and the protrusion are repeatedly contacted and vibrated.

[0014] A method for using a rivet automatic chamfering device, using the above-mentioned rivet automatic chamfering device, comprising the following steps: Step 1: The rivet is transported to the surface of the rotating feed plate through the feeding mechanism, and then the electric push rod and the servo motor are started, and the output end of the electric push rod moves downward to drive the lifting plate to move downward; Step 2: The lifting plate moves downward to drive the pressing plate and the receiving rod to move downward. The receiving rod moves downward and drives the connecting plate to move toward the rotating feeding plate through the guide groove. The movement of the connecting plate drives the clamping block to move and clamp and fix the rivet. Step 3: When the lifting plate moves downward, the connecting rod drives the sliding plate to move toward the rotating column. The movement of the sliding plate drives the sliding rod to move and engage with the ratchet wheel under the action of the spring; Step 4: The lifting plate moves downward to drive the servo motor to move downward, and the servo motor moves downward to drive the chamfering tool to move downward to contact the rivet, and the servo motor rotates to chamfer the rivet; Step 5: After the chamfering is completed, the lifting plate is driven upward by the electric push rod, and the sliding rod is driven to move away from the ratchet under the action of the connecting rod and the sliding plate. When the sliding rod moves, it drives the ratchet to rotate in the limited state to transport the rivets on the surface of the feeding mechanism to the position to be processed, and move the chamfered rivets out of the position to be processed.

[0015] The present invention provides a rivet automatic chamfering device, which has the following beneficial effects: (1) The rivet automatic chamfering equipment, through the cooperation between the lifting plate, the electric push rod, the servo motor, the chamfering tool, the support plate, the rotating column, the rotating feed plate, the limit plate, the clamp block, the connecting plate, the pressure plate, the receiving rod, the connecting rod, the sliding plate, the sliding rod and the ratchet, enables the clamp block to move to contact and clamp the rivet, and at the same time realizes automatic loading and unloading of the rivet through the sliding rod and the ratchet, realizes the full-automatic chamfering of the rivet, effectively reduces the failure rate of the equipment, does not require the staff to place the rivets, and can adapt to rivets of different lengths, thereby improving the applicability and processing efficiency of the equipment.

[0016] (2) The rivet automatic chamfering equipment, through the coordinated operation of the oil storage tank, filter plate, quantitative frame, pressure frame, pressure rod, fixed plate and oil guide pipe, pumps the cutting oil inside the quantitative frame into the inside of the oil guide pipe, and sprays the rivets at the processing position, so that the quantitative spraying on the chamfered part can effectively reduce the friction between the chamfering tool and the rivet, reduce the temperature of the cutting area, thereby preventing the rivet from being overheated and causing deformation or tool wear. At the same time, the cutting oil that filters out the debris is connected to the quantitative frame under the action of the oil outlet hole, thereby realizing the recycling of the cutting oil, improving the utilization rate of the cutting oil, reducing the subsequent maintenance cost and improving the chamfering efficiency of the rivets.

[0017] (3) The rivet automatic chamfering equipment, through the coordinated operation between the guide rod, the drainage rod, the L-shaped rod, the protrusion, the receiving block, the telescopic elastic rod one and the telescopic elastic rod two, makes the receiving block and the protrusion repeatedly contact and generate vibration. The vibration can effectively improve the filtering effect of the filter plate on the debris, avoid the blockage caused by excessive accumulation of debris, and further affect the recycling of the cutting oil. At the same time, the cutting oil on the surface of the guide rod will be drained to the inside of the oil storage tank under the action of the drainage rod, so as to further realize the utilization and circulation effect of the cutting oil and improve the processing efficiency of the rivet. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the position structure of the support plate and the rotating feed tray of the present invention; Figure 3 It is a schematic diagram of the position structure of the limit plate and the clamping block of the present invention; Figure 4 For the present invention Figure 3 The enlarged structural diagram of part A in the middle; Figure 5 This is a schematic diagram of the quantitative frame and the pressure rod position structure of the present invention; Figure 6 This is a schematic diagram of the position structure of the L-shaped rod and the filter plate of the present invention; Figure 7 For the present invention Figure 6 The enlarged structural diagram of part B is shown in the figure.

[0019] In the figure: 1. working frame; 2. feeding mechanism; 3. lifting plate; 4. electric push rod; 5. servo motor; 6. chamfering tool; 7. supporting plate; 8. rotating column; 9. rotating feed plate; 10. limiting plate; 11. clamping block; 12. connecting plate; 13. pressing plate; 14. receiving rod; 15. connecting rod; 16. sliding plate; 17. sliding rod; 18. ratchet; 19. spring; 201. oil storage tank; 202. filter plate; 203. quantitative frame; 204. pressing frame; 205. pressing rod; 206. fixing plate; 207. oil guide pipe; 211. guiding rod; 212. drainage rod; 213. L-shaped rod; 214. protrusion; 215. receiving block; 216. telescopic elastic rod one; 217. telescopic elastic rod two. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 7 , one embodiment of the present invention is: a rivet automatic chamfering equipment, including a working frame 1 and a feeding mechanism 2, a lifting plate 3 is slidably installed on the surface of the working frame 1, an electric push rod 4 is fixedly installed at the top and bottom of the working frame 1, a servo motor 5 is fixedly installed at the bottom of the lifting plate 3, and a chamfering tool 6 is fixedly installed at the output end of the servo motor 5, and also includes: a chamfering device, the chamfering device includes a support plate 7, a rotating column 8, a rotating feed tray 9, a limit plate 10, a clamping block 11, a connecting plate 12, a pressing plate 13, a receiving rod 14, a connecting rod 15, a sliding plate 16, a sliding rod 17 and a ratchet 18, the lifting plate 3 moves downward and drives one end of the connecting rod 15 to move downward, and one end of the connecting rod 15 moves downward to drive the sliding plate 16 to move toward the direction close to the rotating column 8, and the movement of the sliding plate 16 drives the sliding rod 17 to move, the support plate 7 is fixedly installed on the surface of the working frame 1, the rotating column 8 rotates to penetrate the upper and lower walls of the support plate 7, the rotating feed tray 9 is fixedly installed on the circumferential surface of the rotating column 8, and the limit plate 10 is fixedly installed on the surface of the working frame 1, The clamping block 11 slides through the inner and outer walls of the limit plate 10, the connecting plate 12 is fixedly installed above the clamping block 11, the pressing plate 13 is fixedly installed below the lifting plate 3, the receiving rod 14 is fixedly installed below the pressing plate 13, the connecting rod 15 is rotatably installed below the lifting plate 3, the sliding plate 16 is rotatably installed at the end of the connecting rod 15 away from the lifting plate 3, a moving groove is opened on the surface of the sliding plate 16, the sliding rod 17 is slidably installed on the inner wall of the moving groove, the ratchet 18 is installed on the circumferential surface of the rotating column 8, and the sliding plate 16 and the support The support plate 7 is slidably connected, the connection plate 12 moves to drive the clamping block 11 to move, the clamping block 11 moves to contact and clamp the rivet, the sliding plate 16 moves to drive the sliding rod 17 to move, and when the sliding rod 17 moves, it drives the ratchet 18 to rotate in the limited state. The ratchet 18 rotates to transport the rivets on the surface of the feeding mechanism 2 to the processing position, and moves the chamfered rivets out of the processing position. The transportation and clamping of the rivets are completed through the mechanical structure, and the full-automatic chamfering of the rivets is realized, which effectively reduces the failure rate of the equipment.

[0022] A slide groove is provided on the surface of the working frame 1, the pressure plate 13 is slidably connected to the inner wall of the slide groove, the receiving rod 14 is slidably connected to the inner wall of the slide groove, and a guide groove is provided on the surface of the connecting plate 12. The end of the receiving rod 14 away from the pressure plate 13 contacts the inner wall of the guide groove, and the end of the clamping block 11 away from the connecting plate 12 is set as an arc surface. The receiving rod 14 moves downward through the guide groove to drive the connecting plate 12 to move toward the rotating feeding plate 9. The movement of the connecting plate 12 drives the clamping block 11 to move, and the clamping block 11 moves to contact and clamp the rivet.

[0023] A feeding trough is provided on the surface of the rotating feeding tray 9, and the number of tooth blocks on the feeding trough and the surface of the ratchet 18 is the same. The rotation of the ratchet 18 drives the rotating column 8 to rotate, and the rotation of the rotating column 8 drives the rotating feeding tray 9 to rotate. The rotating feeding tray 9 rotates to transport the rivets on the surface of the feeding mechanism 2 to the processing position, and moves the chamfered rivets out of the processing position. A spring 19 is provided between the sliding rod 17 and the inner wall of the movable groove. The sliding rod 17 moves to squeeze the spring 19 and reset under its action. After the sliding rod 17 moves, it resets and clamps the ratchet 18.

[0024] A method for using a rivet automatic chamfering device, using the rivet automatic chamfering device, comprising the following steps: Step 1: The rivets are transported to the surface of the rotating feed tray 9 through the feeding mechanism 2, and then the electric push rod 4 and the servo motor 5 are started, and the output end of the electric push rod 4 moves downward to drive the lifting plate 3 to move downward; Step 2: The lifting plate 3 moves downward to drive the pressing plate 13 and the receiving rod 14 to move downward. The receiving rod 14 moves downward and drives the connecting plate 12 to move toward the rotating feeding plate 9 through the guide groove. The movement of the connecting plate 12 drives the clamping block 11 to move and clamp and fix the rivet; Step 3: When the lifting plate 3 moves downward, the connecting rod 15 drives the sliding plate 16 to move toward the rotating column 8. The sliding plate 16 drives the sliding rod 17 to move and engage with the ratchet 18 under the action of the spring 19. Step 4: The lifting plate 3 moves downward to drive the servo motor 5 to move downward, and the servo motor 5 moves downward to drive the chamfering tool 6 to move downward to contact the rivet, and rotates under the action of the servo motor 5 to chamfer the rivet; Step 5: After the chamfering is completed, the lifting plate 3 is driven upward by the electric push rod 4, and the sliding rod 17 is driven to move away from the ratchet 18 under the action of the connecting rod 15 and the sliding plate 16. When the sliding rod 17 moves, it drives the ratchet 18 to rotate in the limited state to transport the rivets on the surface of the feeding mechanism 2 to the processing position, and moves the chamfered rivets out of the processing position.

[0025] When this embodiment is working, the rivet is transported to the surface of the rotating feeding disk 9 through the feeding mechanism 2, and then the electric push rod 4 and the servo motor 5 are started, the output end of the electric push rod 4 moves downward to drive the lifting plate 3 to move downward, the lifting plate 3 moves downward to drive the pressure plate 13 to move downward, the pressure plate 13 moves downward to drive the receiving rod 14 to move downward, the receiving rod 14 moves downward through the guide groove to drive the connecting plate 12 to move in the direction close to the rotating feeding disk 9, the connecting plate 12 moves to drive the clamping block 11 to move, the clamping block 11 moves to contact and clamp the rivet, and the lifting plate 3 moves downward while driving one end of the connecting rod 15 to move downward, and one end of the connecting rod 15 moves downward to drive the sliding plate 16 to move in the direction close to the rotating column 8, the sliding plate 16 moves to drive the sliding rod 17 to move, the sliding rod 17 moves to contact the ratchet 18 and moves in the direction away from the ratchet 18 under its action, the sliding rod 17 moves the extrusion spring 19 and resets under its action, the sliding rod 17 resets after moving and clamps the ratchet 18. At this time, the lifting plate 3 moves downward and drives the servo motor The machine 5 moves downward, and the servo motor 5 moves downward to drive the chamfering tool 6 to move downward. The chamfering tool 6 moves downward to contact the rivet, and rotates under the action of the servo motor 5 to chamfer the rivet. After the chamfering is completed, the lifting plate 3 is driven upward by the electric push rod 4, and the lifting plate 3 moves upward to drive one end of the connecting rod 15 to move upward. One end of the connecting rod 15 moves upward to drive the sliding plate 16 to move in the direction away from the ratchet 18. The sliding plate 16 moves to drive the sliding rod 17 to move. When the sliding rod 17 moves, it drives the ratchet 18 to rotate under the limited state. The rotation of the ratchet 18 drives the rotating column 8 to rotate, and the rotating column 8 drives the rotating feeding tray 9 to rotate. The rotating feeding tray 9 rotates to transport the rivets on the surface of the feeding mechanism 2 to the processing position, and moves the chamfered rivets out of the processing position. The transportation and clamping of the rivets are completed through the mechanical structure, and the fully automatic chamfering of the rivets is realized, which effectively reduces the failure rate of the equipment, does not require the staff to place the rivets, and can adapt to rivets of different lengths, thereby improving the applicability and processing efficiency of the equipment.

[0026] See also Figure 1-Figure 7On the basis of the above embodiment, in another embodiment of the present invention, a lubrication device for assisting chamfering is provided on the surface of the working frame 1, the lubrication device comprises an oil storage tank 201 and a filter plate 202, the oil storage tank 201 is fixedly mounted above the working frame 1, the filter plate 202 is fixedly mounted on the inner wall of the oil storage tank 201, the lubrication device further comprises a quantitative frame 203, a pressing frame 204, a pressing rod 205, a fixing plate 206 and an oil guide pipe 207, the connecting plate 12 moves downward while driving the pressing rod 205 to move downward, the pressing rod 205 moves downward while driving the pressing frame 204 to move downward, and the quantitative Frame 203 is fixedly installed above the workbench 1, pressure frame 204 is slidably installed on the inner wall of quantitative frame 203, pressure rod 205 is fixedly installed above pressure frame 204, fixed plate 206 is fixedly installed above limit plate 10, oil guide pipe 207 is fixedly passed through the left and right walls of fixed plate 206, and pressure frame 204 continues to move downward to pump the cutting oil inside quantitative frame 203 into the inside of oil guide pipe 207, and spray the rivets at the processing position, so as to realize quantitative spraying on the chamfered part, which can effectively reduce the friction between chamfering tool 6 and rivet and reduce the temperature of cutting area.

[0027] The oil guide pipe 207 is elastic, an oil outlet hole is opened on the surface of the oil storage tank 201, and an oil inlet hole is opened on the surface of the quantitative frame 203. The oil storage tank 201 and the quantitative frame 203 are connected through the oil outlet hole and the oil inlet hole. The pressing frame 204 moves downward to close the oil inlet hole, thereby preventing the cutting oil inside the oil storage tank 201 from continuing to enter the interior of the quantitative frame 203.

[0028] One end of the oil guide pipe 207 away from the fixed plate 206 is fixedly passed through the upper and lower walls of the pressing frame 204, and the one end of the pressing rod 205 away from the pressing frame 204 is fixedly connected to the connecting plate 12. The cutting oil can flush the debris generated during the chamfering process into the interior of the oil storage tank 201, and filter out the debris under the action of the filter plate 202. The cutting oil with the debris filtered out is connected to the quantitative frame 203 under the action of the oil outlet hole, thereby realizing the recycling of the cutting oil.

[0029] The discharging device also includes a material discharging device, which includes a material guide rod 211, a drainage rod 212, an L-shaped rod 213, a protrusion 214 and a receiving block 215. When the pressing frame 204 moves downward, it contacts and squeezes the L-shaped rod 213 to move in a direction away from the quantitative frame 203, and the movement of the L-shaped rod 213 drives the receiving block 215 to move. The material guide rod 211 is fixedly installed on the inner wall of the oil storage tank 201, the drainage rod 212 is fixedly installed on the circumferential surface of the material guide rod 211, the L-shaped rod 213 is slidably installed on the inner wall of the oil outlet hole, the protrusion 214 is fixedly installed under the filter plate 202, and a lifting groove is opened on the surface of the L-shaped rod 213. The receiving block 215 is slidably installed on the inner wall of the lifting groove. The cutting oil on the surface of the material guide rod 211 will be drained to the inside of the oil storage tank 201 under the action of the drainage rod 212, so as to further realize the utilization and circulation effect of the cutting oil and improve the processing efficiency of the rivets.

[0030] The guide rod 211 is set to be inclined, and the end of the L-shaped rod 213 close to the quantitative frame 203 is set to a beveled surface, the lower part of the protrusion 214 is set to an arc surface 1, and the upper part of the receiving block 215 is set to an arc surface 2. A telescopic elastic rod 1 216 is set between the L-shaped rod 213 and the inner wall of the oil storage tank 201, and a telescopic elastic rod 217 is set between the receiving block 215 and the inner wall of the lifting groove. The telescopic elastic rod 217 is retracted and reset to make the receiving block 215 and the protrusion 214 repeatedly contact and generate vibration. The vibration can effectively improve the filtering effect of the filter plate 202 on the debris, avoid blockage caused by excessive accumulation of debris, and then affect the recycling of the cutting oil, thereby reducing the subsequent maintenance cost.

[0031] When the present embodiment is working, the connecting plate 12 moves downward and drives the pressure rod 205 to move downward, and the pressure rod 205 moves downward and drives the pressure frame 204 to move downward, and the pressure frame 204 moves downward to close the oil inlet hole, preventing the cutting oil inside the oil storage tank 201 from continuing to enter the interior of the quantitative frame 203, and then the pressure frame 204 continues to move downward to pump the cutting oil inside the quantitative frame 203 into the interior of the oil guide pipe 207, and spray the rivet at the processing position, so that the quantitative spraying of the chamfered part can effectively reduce the friction between the chamfering tool 6 and the rivet, reduce the temperature of the cutting area, thereby preventing the deformation or tool wear caused by overheating of the rivet, and at the same time, the cutting oil can flush the debris generated during the chamfering process into the interior of the oil storage tank 201, and filter out the debris under the action of the filter plate 202, and the cutting oil that has filtered out the debris is connected to the quantitative frame 203 under the action of the oil outlet hole, thereby realizing the recycling of the cutting oil, improving the utilization rate of the cutting oil, reducing the subsequent maintenance cost and improving the chamfering efficiency of the rivet.

[0032] When the pressing frame 204 moves downward, it contacts and squeezes the L-shaped rod 213 to move in the direction away from the quantitative frame 203. The movement of the L-shaped rod 213 drives the receiving block 215 to move. The receiving block 215 moves to contact the protrusion 214 and moves downward under its action. The receiving block 215 moves downward to squeeze the telescopic elastic rod 217 to contract. The telescopic elastic rod 217 is retracted and reset, so that the receiving block 215 repeatedly contacts the protrusion 214 and generates vibration. The vibration can effectively improve the filtering effect of the filter plate 202 on the debris. The cutting oil on the surface of the guide rod 211 will be drained into the oil storage tank 201 under the action of the drainage rod 212, further realizing the utilization and circulation effect of the cutting oil and improving the processing efficiency of the rivets.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rivet automatic chamfering device, comprising a work frame (1) and a feeding mechanism (2), wherein a lifting plate (3) is slidably mounted on the surface of the work frame (1), an electric push rod (4) is fixedly mounted below the top of the work frame (1), a servo motor (5) is fixedly mounted below the lifting plate (3), and a chamfering tool (6) is fixedly mounted at the output end of the servo motor (5), characterized in that: Also includes: A chamfering device, the chamfering device comprising a support plate (7), a rotating column (8), a rotating feed tray (9), a limiting plate (10), a clamping block (11), a connecting plate (12), a pressing plate (13), a receiving rod (14), a connecting rod (15), a sliding plate (16), a sliding rod (17) and a ratchet (18), wherein the support plate (7) is fixedly mounted on the surface of a working frame (1), the rotating column (8) rotates through the upper and lower walls of the support plate (7), the rotating feed tray (9) is fixedly mounted on the circumferential surface of the rotating column (8), the limiting plate (10) is fixedly mounted on the surface of the working frame (1), and the clamping block (11) slides through the limiting plate (1 0), the connecting plate (12) is fixedly mounted on the top of the clamping block (11), the pressing plate (13) is fixedly mounted on the bottom of the lifting plate (3), the receiving rod (14) is fixedly mounted on the bottom of the pressing plate (13), the connecting rod (15) is rotatably mounted on the bottom of the lifting plate (3), the sliding plate (16) is rotatably mounted on the end of the connecting rod (15) away from the lifting plate (3), a movable groove is provided on the surface of the sliding plate (16), the sliding rod (17) is slidably mounted on the inner wall of the movable groove, the ratchet (18) is mounted on the circumferential surface of the rotating column (8), and the sliding plate (16) is slidably connected to the support plate (7); Wherein, a lubrication device for assisting chamfering is provided on the surface of the working frame (1), the lubrication device comprising an oil storage tank (201) and a filter plate (202), the oil storage tank (201) being fixedly mounted above the working frame (1), and the filter plate (202) being fixedly mounted on the inner wall of the oil storage tank (201).

2. The rivet automatic chamfering device according to claim 1, characterized in that: A sliding groove is provided on the surface of the working frame (1), the pressing plate (13) is slidably connected to the inner wall of the sliding groove, the receiving rod (14) is slidably connected to the inner wall of the sliding groove, a guide groove is provided on the surface of the connecting plate (12), one end of the receiving rod (14) away from the pressing plate (13) contacts the inner wall of the guide groove, and one end of the clamping block (11) away from the connecting plate (12) is set as an arc surface.

3. The automatic rivet chamfering device according to claim 2 is characterized in that: A feeding trough is provided on the surface of the rotating feeding disc (9), the feeding trough has the same number of teeth as the surface of the ratchet wheel (18), and a spring (19) is provided between the sliding rod (17) and the inner wall of the movable trough.

4. The automatic rivet chamfering device according to claim 3 is characterized in that: The lubricating device further comprises a quantitative frame (203), a pressure frame (204), a pressure rod (205), a fixed plate (206) and an oil guide pipe (207); the quantitative frame (203) is fixedly mounted above the working frame (1); the pressure frame (204) is slidably mounted on the inner wall of the quantitative frame (203); the pressure rod (205) is fixedly mounted above the pressure frame (204); the fixed plate (206) is fixedly mounted above the limit plate (10); and the oil guide pipe (207) is fixedly mounted through the left and right walls of the fixed plate (206).

5. The automatic rivet chamfering device according to claim 4, characterized in that: The oil guide pipe (207) is elastic, an oil outlet hole is provided on the surface of the oil storage tank (201), an oil inlet hole is provided on the surface of the quantitative frame (203), and the oil storage tank (201) and the quantitative frame (203) are connected via the oil outlet hole and the oil inlet hole.

6. The automatic rivet chamfering device according to claim 5, characterized in that: One end of the oil guide pipe (207) away from the fixed plate (206) is fixedly connected to the upper and lower walls of the pressing frame (204), and one end of the pressing rod (205) away from the pressing frame (204) is fixedly connected to the connecting plate (12).

7. The automatic rivet chamfering device according to claim 6, characterized in that: The material discharging device also comprises a material discharging device, the material discharging device comprising a material guide rod (211), a flow guide rod (212), an L-shaped rod (213), a protrusion (214) and a receiving block (215), the material guide rod (211) being fixedly mounted on the inner wall of the oil storage tank (201), the flow guide rod (212) being fixedly mounted on the circumferential surface of the material guide rod (211), the L-shaped rod (213) being slidably mounted on the inner wall of the oil outlet hole, the protrusion (214) being fixedly mounted below the filter plate (202), a lifting groove being provided on the surface of the L-shaped rod (213), and the receiving block (215) being slidably mounted on the inner wall of the lifting groove.

8. The rivet automatic chamfering device according to claim 7, characterized in that: The material guide rod (211) is arranged to be inclined, one end of the L-shaped rod (213) close to the quantitative frame (203) is arranged to be a beveled surface, the lower part of the protrusion (214) is arranged to be a first arc surface, the upper part of the receiving block (215) is arranged to be a second arc surface, a first telescopic elastic rod (216) is arranged between the L-shaped rod (213) and the inner wall of the oil storage tank (201), and a second telescopic elastic rod (217) is arranged between the receiving block (215) and the inner wall of the lifting groove.

9. A method for using an automatic rivet chamfering device, using the automatic rivet chamfering device according to claim 8, characterized in that: The following steps are involved: Step 1: The rivet is transported to the surface of the rotating feed plate (9) through the feeding mechanism (2), and then the electric push rod (4) and the servo motor (5) are started, and the output end of the electric push rod (4) moves downward to drive the lifting plate (3) to move downward; Step 2: The lifting plate (3) moves downward, driving the pressing plate (13) and the receiving rod (14) to move downward. The receiving rod (14) moves downward, driving the connecting plate (12) to move toward the rotating feed plate (9) through the guide groove. The connecting plate (12) moves, driving the clamping block (11) to move and clamp the rivet; Step 3: The lifting plate (3) moves downward and drives the sliding plate (16) to move toward the rotating column (8) through the connecting rod (15). The movement of the sliding plate (16) drives the sliding rod (17) to move and engage with the ratchet wheel (18) under the action of the spring (19); Step 4: The lifting plate (3) moves downward to drive the servo motor (5) to move downward, and the servo motor (5) moves downward to drive the chamfering tool (6) to move downward to contact the rivet, and rotate under the action of the servo motor (5) to chamfer the rivet; Step 5: After the chamfering is completed, the lifting plate (3) is driven upward by the electric push rod (4), and the sliding rod (17) is driven to move in a direction away from the ratchet (18) under the action of the connecting rod (15) and the sliding plate (16). When the sliding rod (17) moves, it drives the ratchet (18) to rotate in a limited state to transport the rivets on the surface of the feeding mechanism (2) to the processing position, and moves the chamfered rivets out of the processing position.

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