Equipment for automatically mounting rivets on sheet metal parts

By designing an automatic rivet installation equipment for sheet metal parts, and using positioning columns and stamping heads to automatically operate the sheet metal parts, the problem of manual turning and riveting of existing equipment is solved, and the riveting of both sides of the sheet metal parts is realized, which improves production efficiency and quality.

CN119747568AActive Publication Date: 2025-04-04MINGTAI PRECISION STAMPING (WUJIANG) CO LTD
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Patent Information

Application Number
CN202411992258.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-04-04
Estimated Expiration
2044-12-31

AI Technical Summary

Technical Problem

Existing press equipment can only press the front or back of the sheet metal parts, and it is necessary to manually turn the rivet on the other side, resulting in low production efficiency and easy pressure leakage, affecting production quality.

Method used

A device for automatically loading rivets for sheet metal parts is designed, including a positioning seat, a lower stamping head, an upper stamping head, a lower rivet feeding assembly and an upper rivet feeding assembly. The sheet metal parts are positioned through a positioning column, and the lower stamping head and the upper stamping head jointly rivet the two sides of the sheet metal parts to realize automatic operation.

Benefits of technology

The simultaneous rivet of both sides of the sheet metal parts is achieved, which improves processing efficiency, reduces manual operation errors and improves production quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the field of sheet metal part machining, in particular to a sheet metal part automatic rivet installing device which comprises a machining table, a positioning seat, a lower punching head, a lifting seat, an upper punching head, a lower rivet feeding assembly and an upper rivet feeding assembly, the positioning seat is fixedly connected to the upper end of the machining table, and a positioning column is fixedly connected to the upper end of the positioning seat; the positioning column is used for extending into a hole of a sheet metal part, the machining table is provided with a positioning groove, the lower punching head slides in the positioning groove, the lifting seat is arranged above the machining table, the upper punching head is fixedly connected to the lower end of the lifting seat, the upper punching head is used for pressing rivets on the reverse side of the sheet metal part, and the lower punching head is used for pressing rivets on the front side of the sheet metal part. The lower rivet feeding assembly is used for conveying the rivets into the positioning grooves, and the upper rivet feeding assembly is used for arranging the rivets on the positioning columns in a sleeving mode. A sheet metal part is positioned by the positioning columns, the sheet metal part is placed at the correct position of the machining table, the sheet metal part is stamped by the lower stamping head and the upper stamping head together, the two faces of the sheet metal part are riveted at the same time, and the machining efficiency is improved.
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Description

Technical Field

[0001] The present application relates to the field of sheet metal processing, and in particular to a device for automatically installing rivets on sheet metal parts. Background Art

[0002] The TV housing plate is an important part of the TV. It is usually made of metal or alloy materials and processed by stamping, bending, stretching and other processes. It protects the internal components of the TV, supports the structure of the TV and beautifies the appearance. As a type of sheet metal, the TV housing plate plays a vital role in the manufacturing process of the TV. Its quality directly affects the overall performance of the TV and the user experience.

[0003] Rivets need to be installed where the TV housing plate is connected to other components, and rivet installation is generally achieved through a press. An existing TV housing plate sheet metal part needs to be installed with three rivets on the front and four rivets on the back. However, the existing press equipment can only press rivets on the front or back of the sheet metal part. After completing the riveting of one side, the sheet metal part is manually turned over and the riveting of the other side is completed. The production efficiency is low, and it is easy to miss the other side, affecting the production quality. Summary of the invention

[0004] In order to improve processing efficiency, the present application provides a device for automatically installing rivets on sheet metal parts.

[0005] The present application provides a sheet metal automatic riveting device that adopts the following technical solution: A device for automatically installing rivets on sheet metal parts, comprising a processing table, a positioning seat, a lower punch head, a lifting seat, an upper punch head, a lower rivet feeding assembly and an upper rivet feeding assembly, wherein the positioning seat is fixedly connected to the upper end of the processing table, the upper end of the positioning seat is fixedly connected to a positioning column, the positioning column is used to extend into a hole in the sheet metal part, the processing table is provided with a positioning groove, the lower punch head slides in the positioning groove, the lifting seat is arranged above the processing table, the upper punch head is fixedly connected to the lower end of the lifting seat, the upper punch head is used to press rivets on the back side of the sheet metal part, the lower punch head is used to press rivets on the front side of the sheet metal part, the lower rivet feeding assembly is used to convey the rivet into the positioning groove, and the upper rivet feeding assembly is used to sleeve the rivet on the positioning column.

[0006] By adopting the above technical solution, the positioning column positions the sheet metal part so that the sheet metal part is placed in the correct position on the processing table, the lower rivet feeding assembly transports the rivet to the positioning groove, the upper rivet feeding assembly sets the rivet on the positioning column, and the lower punch head and the upper punch head jointly punch the sheet metal part to achieve simultaneous riveting on two surfaces of the sheet metal part, thereby improving processing efficiency.

[0007] Preferably, it also includes a mounting table, which is arranged on the outer periphery of the processing table, and the lower rivet feeding assembly includes a transition block, a fixed block, a movable plate and a push rod, the transition block is fixedly connected to the upper end of the processing table, the upper end of the transition block is provided with a transition groove, the fixed block is fixedly connected to the upper end of the mounting table, the upper end of the fixed block is provided with a fixed groove, the length direction of the fixed groove is parallel to the length direction of the transition groove, the movable plate is arranged between the transition block and the fixed block, the movable plate is slidably connected to the mounting table, the sliding direction of the movable plate is parallel to the width direction of the fixed groove, the upper end of the movable plate is provided with a feed groove, the length direction of the feed groove is parallel to the length direction of the fixed groove, the feed groove is used to connect the transition groove and the fixed groove, the push rod is slidably connected to the groove wall of the fixed groove, and the push rod is used to push the rivet in the feed groove into the positioning groove.

[0008] By adopting the above technical solution, when the movable plate slides away from the fixed groove, the rivet is placed in the feed groove. When the movable plate slides to connect the transition groove and the fixed groove, the push rod slides to push the rivet in the feed groove to the positioning groove. The mechanical operation automatically pushes the rivet into the positioning groove, thereby improving the processing efficiency.

[0009] Preferably, the lower rivet feeding assembly also includes a first vibration plate, a conveying frame, a connecting block and a conveying rod, the first vibration plate is fixedly connected to the upper end of the mounting table, one end of the conveying frame is fixedly connected to the outer wall of the first vibration plate, the other end of the conveying frame is fixedly connected to the connecting block, the upper end of the conveying frame is provided with a conveying groove, the upper end of the connecting block is provided with a connecting groove, one end of the conveying groove is connected to the discharge port of the first vibration plate, the other end of the conveying groove is connected to the connecting groove, the length direction of the connecting groove is parallel to the length direction of the feeding groove, the conveying rod is slidably connected to the groove wall of the connecting groove, and the conveying rod is used to push the rivet in the connecting groove to the feeding groove.

[0010] By adopting the above technical solution, the first vibrating plate allows the rivets to line up and move in the conveying trough until one rivet moves into the connecting trough. The movable plate moves to align the feed trough with the connecting trough. The conveying rod slides and pushes the rivet into the feed trough. The material is automatically loaded without manual operation, thereby improving processing efficiency.

[0011] Preferably, it also includes a placing table, which is arranged on the outer periphery of the processing table. The upper rivet feeding assembly includes a moving part and a manipulator. The moving part is fixedly connected to the upper end of the placing table, and the manipulator is fixedly connected to the moving part. The manipulator is used to grab the rivet, and the moving part is used to control the movement of the manipulator to realize the setting of the rivet on the positioning column.

[0012] By adopting the above technical solution, after the manipulator grabs the rivet, the moving part drives the manipulator to move above the sheet metal part, and the rivet is sleeved on the positioning column, thereby realizing automatic rivet loading and improving processing efficiency.

[0013] Preferably, the upper rivet feeding assembly also includes a mounting plate, a sliding plate and a discharge piece, the mounting plate is fixedly connected to the upper end of the placement table through supporting feet, the mounting plate is provided with a feeding port and a grabbing port, the feeding port and the grabbing port both vertically penetrate the mounting plate, the sliding plate is slidably connected to the lower end of the mounting plate, the upper end of the sliding plate is provided with a placement groove, the placement groove is used to communicate with the feeding port or the grabbing port, the discharge piece is fixedly connected to the upper end of the mounting plate, the discharge piece is used to release the rivet, so that the rivet falls into the placement groove through the feeding port.

[0014] By adopting the above technical solution, the discharge piece releases the rivet, the rivet falls into the placement slot through the feeding port, the sliding plate moves to make the placement slot face the grabbing port, and the manipulator grabs the rivet through the grabbing port to complete automatic loading and improve processing efficiency.

[0015] Preferably, the discharge member includes a discharge block and a discharge plate, the discharge block is fixedly connected to the upper end of the mounting plate, the discharge block is provided with a through opening, the through opening vertically penetrates the discharge block, the through opening is connected to a feeding port, the outer wall of the discharge block is provided with a sliding opening, the sliding opening is connected to the through opening, the discharge plate is slidably connected to the inner wall of the sliding opening, the discharge plate is used to block the through opening, the upper riveting feeding assembly also includes a discharge pipe, the discharge pipe is provided on a side of the discharge plate away from the mounting plate, and one end of the discharge pipe is coaxially fixedly connected to the inner wall of the through opening.

[0016] By adopting the above technical solution, the feed pipe conveys the rivets, and the feed plate controls the communication of the through opening, thereby controlling the rivets to enter the placement groove, facilitating feeding and improving processing efficiency.

[0017] Preferably, the moving part includes a vertical feeding cylinder and a horizontal feeding cylinder, the cylinder body of the vertical feeding cylinder is fixedly connected to the upper end of the placement table, the piston rod of the vertical feeding cylinder is fixedly connected to the cylinder body of the horizontal feeding cylinder, and the piston rod of the horizontal feeding cylinder is fixedly connected to the manipulator.

[0018] By adopting the above technical solution, the vertical feeding cylinder and the horizontal feeding cylinder are used in combination, which is convenient for controlling the movement of the manipulator, has a simple structure, and is easy to operate.

[0019] Preferably, the manipulator includes a support plate and an adsorption cylinder, the support plate is fixedly connected to the moving part, the support plate is horizontally arranged, the adsorption cylinder is fixedly connected to the lower end of the support plate, the adsorption cylinder is provided with a adsorption port, the adsorption port vertically penetrates the adsorption cylinder, the support plate is provided with an air suction port, the air suction port is connected to the adsorption port, and the adsorption port is used to adsorb rivets.

[0020] By adopting the above technical solution, the suction port negatively pressures the rivets, making it easier to grab the rivets, thereby improving the feeding efficiency and the processing efficiency.

[0021] Preferably, it also includes a fixed seat and an elastic member, the fixed seat is arranged below the processing table, one end of the elastic member is fixedly connected to the upper end of the fixed seat, the other end of the elastic member is fixedly connected to the lower end of the processing table, the lower punch head is fixedly connected to the upper end of the fixed seat, and the lower end of the lifting seat is provided with an avoidance opening, and the avoidance opening is used for allowing the rivet to extend into.

[0022] By adopting the above technical solution, the lifting seat abuts against the processing table, the elastic part is deformed, and the lower punch head extends upward from the positioning groove to push the lower rivet into the riveting interface of the sheet metal part. The sheet metal part is lifted up so that the upper rivet extends into the riveting interface of the sheet metal part. The upper punch head and the lower punch head work together to complete the riveting on both sides, thereby improving the processing efficiency.

[0023] In summary, the present application includes at least one of the following beneficial technical effects: 1. The positioning column positions the sheet metal part so that the sheet metal part is placed in the correct position on the processing table. The lower riveting feeding assembly transports the rivet to the positioning groove, and the upper riveting feeding assembly sets the rivet on the positioning column. The lower punch head and the upper punch head jointly punch the sheet metal part to achieve simultaneous riveting of the two surfaces of the sheet metal part, thereby improving the processing efficiency; 2. When the moving plate slides away from the fixed groove, the rivet is placed in the feed groove. When the moving plate slides to make the transition groove and the fixed groove connected, the push rod slides to push the rivet in the feed groove to the positioning groove. The mechanical operation automatically pushes the rivet into the positioning groove to improve the processing efficiency. 3. The lifting seat abuts against the processing table, the elastic part is deformed, and the lower punch head extends upward from the positioning groove to push the lower rivet into the riveting interface of the sheet metal. The sheet metal is lifted up so that the upper rivet extends into the riveting interface of the sheet metal. The upper punch head and the lower punch head work together to complete the riveting on both sides and improve the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The present invention is a schematic diagram of the overall structure of a device for automatically installing rivets on sheet metal parts.

[0025] Figure 2 It is a schematic diagram of the internal structure of a sheet metal automatic riveting device after being cut open.

[0026] Figure 3 It is a schematic diagram of the overall structure of a processing table, an installation table, a placement table, a lower riveting and feeding assembly and an upper riveting and feeding assembly.

[0027] Figure 4 It is a schematic diagram of the internal structure of the upper riveting and feeding assembly after it is cut open.

[0028] Description of the accompanying drawings: 1. Riveting assembly; 11. Processing table; 111. Positioning groove; 12. Fixed seat; 13. Elastic member; 14. Positioning seat; 141. Positioning column; 15. Lower punch head; 17. Bracket; 18. Hydraulic cylinder; 19. Lifting seat; 191. Avoidance groove; 192. Avoidance port; 20. Upper punch head; 3. Mounting table; 4. Placement table; 5. Lower riveting feeding assembly; 51. Transition block; 511. Transition groove; 52. Fixed block; 521. Fixed groove; 53. Moving plate; 531. Feeding groove; 54. Pushing rod; 55. First vibration plate; 56. Conveying frame; 561. Conveying groove; 57. Connecting block; 571. Connecting groove; 58. Conveying rod; 5 9. Connecting block; 591. Connecting groove; 60. Second vibration plate; 61. Feed rack; 611. Feed trough; 62. Loading block; 621. Loading trough; 63. Loading rod; 7. Upper riveting and loading assembly; 71. Mounting plate; 711. Feeding port; 712. Grabbing port; 72. Sliding plate; 721. Placement groove; 73. Discharging piece; 731. Discharging block; 7311. Through port; 7312. Sliding port; 732. Discharging plate; 74. Discharging pipe; 75. Moving piece; 751. Vertical feeding cylinder; 752. Horizontal feeding cylinder; 76. Manipulator; 761. Support plate; 7611. Suction port; 762. Adsorption cylinder; 7621. Adsorption port; 763. Air pump. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-4 This application is described in further detail.

[0030] The present application embodiment discloses a device for automatically installing rivets on sheet metal parts. Figure 1 A device for automatically installing rivets on sheet metal parts includes a riveting component 1, a mounting table 3, a placing table 4, a lower riveting and feeding component 5 and an upper riveting and feeding component 7.

[0031] Reference Figure 2 The riveting assembly 1 includes a processing table 11, a fixing seat 12, an elastic member 13, a positioning seat 14, a lower punch head 15, a bracket 17, a hydraulic cylinder 18, a lifting seat 19 and an upper punch head 20. The fixing seat 12 is arranged below the processing table 11, one end of the elastic member 13 is fixedly connected to the upper end of the fixing seat 12, and the other end of the elastic member 13 is fixedly connected to the lower end of the processing table 11. A plurality of elastic members 13 are provided, and the plurality of elastic members 13 are evenly distributed at the lower end of the processing table 11, and the elastic member 13 is set as a spring.

[0032] The positioning seat 14 is fixedly connected to the upper end of the processing table 11, and a positioning column 141 is fixedly connected to the upper end of the positioning seat 14. The upper end of the positioning seat 14 is used to support the sheet metal, and the positioning column 141 is used to extend into the hole of the sheet metal. There are multiple positioning seats 14, and the multiple positioning seats 14 are divided into two parts, one part is arranged along the edge of the sheet metal, and the other part is arranged corresponding to the four rivets on the back of the sheet metal.

[0033] Reference Figure 2 and Figure 3 The upper end of the processing table 11 is provided with a positioning groove 111, which vertically penetrates the processing table 11. There are three positioning grooves 111, and the three positioning grooves 111 are arranged corresponding to the three rivets on the front of the sheet metal part, of which two positioning grooves 111 are close to one end of the sheet metal part in the width direction, and the remaining positioning groove 111 is close to the other end of the sheet metal part in the width direction. The lower punch head 15 is fixedly connected to the upper end of the fixing seat 12, and the upper end of the lower punch head 15 is used to extend into the positioning groove 111 to realize the rivet on the front of the sheet metal part. There are three lower punch heads 15, and the lower punch heads 15 are arranged one by one with the positioning grooves 111.

[0034] Reference Figure 2 The cylinder body of the hydraulic cylinder 18 is fixedly connected to the bracket 17, and the piston rod of the hydraulic cylinder 18 is fixedly connected to the lifting seat 19. The lifting seat 19 is arranged above the processing table 11. The hydraulic cylinder 18 is used to drive the lifting seat 19 to slide up and down. The lower end of the lifting seat 19 is provided with an avoidance groove 191. The lower end of the lifting seat 19 is used to abut the processing table 11. The avoidance groove 191 is used for the positioning seat 14 to extend into. The upper punch head 20 is fixedly connected to the bottom of the avoidance groove 191. The upper punch head 20 is used to press the rivets on the back of the sheet metal. The bottom of the avoidance groove 191 is provided with an avoidance opening 192, and the avoidance opening 192 is used for the front rivets to extend into.

[0035] The mounting table 3 and the placing table 4 are both arranged on the outer periphery of the processing table 11 , and the mounting table 3 and the placing table 4 are arranged on both sides of the processing table 11 . The mounting table 3 is arranged close to two positioning grooves 111 , and the placing table 4 is arranged close to the remaining positioning groove 111 .

[0036] Reference Figure 3 The lower rivet feeding assembly 5 is used to convey the rivet into the positioning groove 111. The lower rivet feeding assembly 5 includes a transition block 51, a fixed block 52, a movable plate 53, a pushing rod 54, a first vibration plate 55, a conveying frame 56, a connecting block 57, a conveying rod 58, a connecting block 59, a second vibration plate 60, a conveying frame 61, a feeding block 62 and a feeding rod 63.

[0037] The transition block 51 is arranged on the side of the positioning groove 111 close to the mounting table 3, the transition block 51 is fixedly connected to the upper end of the processing table 11, the upper end of the transition block 51 is provided with a transition groove 511, the transition block 51 is provided with two, the transition block 51 is arranged in a one-to-one correspondence with the two adjacent positioning grooves 111, the fixed block 52 is fixedly connected to the upper end of the mounting table 3, the upper end of the fixed block 52 is provided with a fixed groove 521, the length direction of the fixed groove 521 is parallel to the length direction of the transition groove 511, the movable plate 53 is arranged between the transition block 51 and the fixed block 52, and the two ends of the movable plate 53 respectively abut against the transition block 5 1 and the fixed block 52, the movable plate 53 is slidably connected to the mounting table 3, the sliding direction of the movable plate 53 is parallel to the width direction of the fixed groove 521, the rodless cylinder drives the movable plate 53 to move, the upper end of the movable plate 53 is provided with a feed groove 531, the length direction of the feed groove 531 is parallel to the length direction of the fixed groove 521, the feed groove 531 is used to connect the transition groove 511 and the fixed groove 521, the push rod 54 is slidably connected to the groove wall of the fixed groove 521, the rodless cylinder drives the push rod 54 to move, and the push rod 54 is used to push the rivet in the feed groove 531 into the positioning groove 111.

[0038] Reference Figure 3 The first vibration plate 55 is fixedly connected to the upper end of the mounting table 3, one end of the conveying frame 56 is fixedly connected to the outer wall of the first vibration plate 55, and the other end of the conveying frame 56 is fixedly connected to the connecting block 57. A conveying groove 561 is provided at the upper end of the conveying frame 56, and the length direction of the conveying groove 561 is parallel to the sliding direction of the movable plate 53. A connecting groove 571 is provided at the upper end of the connecting block 57, one end of the conveying groove 561 is connected to the discharge port of the first vibration plate 55, and the other end of the conveying groove 561 is connected to the connecting groove 571, and the length direction of the connecting groove 571 is parallel to the length direction of the feeding groove 531. The conveying rod 58 is slidably connected to the groove wall of the connecting groove 571, and the conveying rod 58 is used to push the rivet in the connecting groove 571 to the feeding groove 531, and the driving cylinder drives the conveying rod 58 to move.

[0039] The connecting block 59 is arranged on the side of the positioning groove 111 close to the placing platform 4, and the connecting block 59 is fixedly connected to the upper end of the placing platform 4. The upper end of the connecting block 59 is provided with a connecting groove 591, and the length direction of the connecting groove 591 is parallel to the length direction of the transition groove 511. The second vibration plate 60 is fixedly connected to the upper end of the placing platform 4, one end of the feeding frame 61 is fixedly connected to the outer wall of the second vibration plate 60, and the other end of the feeding frame 61 is fixedly connected to the loading block 62. The upper end of the feeding frame 61 is provided with a feeding trough 611, and the length direction of the feeding trough 611 is parallel to the length direction of the conveying trough 561. The upper end of the loading block 62 is provided with a loading trough 621, and the length direction of the loading trough 621 is parallel to the length direction of the connecting groove 591. The loading rod 63 is slidably connected to the groove wall of the loading trough 621, and the loading rod 63 is used to push the rivet in the loading trough 621 into the positioning groove 111, and the driving cylinder drives the loading rod 63 to move.

[0040] Reference Figure 4 The upper riveting and feeding assembly 7 is used to set the rivet on the positioning column 141. The upper riveting and feeding assembly 7 also includes a mounting plate 71, a sliding plate 72, a material discharge member 73, a material discharge pipe 74, a moving member 75 and a manipulator 76.

[0041] Reference Figure 3 and Figure 4 The mounting plate 71 is fixedly connected to the upper end of the placing table 4 through the supporting feet. The length direction of the mounting plate 71 is parallel to the length direction of the connecting groove 591. The mounting plate 71 is provided with a feeding port 711 and a grabbing port 712. The feeding port 711 and the grabbing port 712 both vertically penetrate the mounting plate 71. The grabbing port 712 is arranged on the side of the feeding port 711 close to the processing table 11. There are two feeding ports 711, and the two feeding ports 711 are spaced apart along the width direction of the mounting plate 71. There are four grabbing ports 712, and the relative positions of the grabbing ports 712 correspond to the four reverse riveted ports on the sheet metal.

[0042] Reference Figure 4 The sliding plate 72 is slidably connected to the lower end of the mounting plate 71, and the sliding direction of the sliding plate 72 is parallel to the length direction of the mounting plate 71. The driving cylinder drives the sliding plate 72 to slide. A placement groove 721 is provided at the upper end of the sliding plate 72. There are four placement grooves 721. The placement groove 721 is used to communicate with the feeding port 711 or the grabbing port 712. The sliding plate 72 slides to control the material in the feeding port 711 to fall into the placement groove 721. After the rivets are placed in the placement grooves 721, the sliding plate 72 slides to make the placement grooves 721 and the grabbing port 712 communicate one by one.

[0043] The discharge piece 73 is fixedly connected to the upper end of the mounting plate 71. The discharge piece 73 is used to discharge the rivet so that the rivet falls into the placement groove 721 through the feeding port 711. Two discharge pieces 73 are provided. The discharge pieces 73 and the feeding port 711 are arranged one by one. The discharge piece 73 includes a discharge block 731 and a discharge plate 732. The discharge block 731 is fixedly connected to the upper end of the mounting plate 71. The discharge block 731 is provided with a through opening 7311. The through opening 7311 vertically penetrates the discharge block 731. The through opening 7311 is connected to the feeding port 711. The outer wall of the discharge block 731 away from the processing table 11 is provided with a sliding opening 7312. The sliding opening 7312 is connected to the through opening 7311. The discharge plate 732 is slidably connected to the inner wall of the sliding opening 7312. The discharge plate 732 is used to block the through opening 7311. The driving cylinder drives the discharge plate 732 to move. The feed pipe 74 is disposed on a side of the discharge plate 732 away from the mounting plate 71 , one end of the feed pipe 74 is coaxially fixedly connected to the inner wall of the through opening 7311 , and the other end of the feed pipe 74 is connected to the vibration plate.

[0044] Reference Figure 3 and Figure 4The moving part 75 includes a vertical feeding cylinder 751 and a horizontal feeding cylinder 752. The vertical feeding cylinder 751 is arranged on the side of the mounting plate 71 away from the processing table 11. The cylinder body of the vertical feeding cylinder 751 is fixedly connected to the upper end of the placing table 4. The piston rod of the vertical feeding cylinder 751 is fixedly connected to the cylinder body of the horizontal feeding cylinder 752. The piston rod of the horizontal feeding cylinder 752 is fixedly connected to the manipulator 76. The vertical feeding cylinder 751 controls the horizontal feeding cylinder 752 to slide vertically, and the horizontal feeding cylinder 752 controls the manipulator 76 to slide along the length direction of the mounting plate 71, so that the manipulator 76 delivers the rivet to the top of the sheet metal part.

[0045] Reference Figure 4 The manipulator 76 includes a support plate 761, an adsorption cylinder 762 and an air pump 763. The support plate 761 is fixedly connected to the piston rod of the horizontal feeding cylinder 752. The support plate 761 is horizontally arranged. The adsorption cylinder 762 is fixedly connected to the lower end of the support plate 761. Four adsorption cylinders 762 are arranged one-to-one with the grabbing port 712. The adsorption cylinder 762 is provided with a suction port 7621, which vertically penetrates the adsorption cylinder 762. The support plate 761 is provided with an air suction port 7611. Four air suction ports 7611 are provided. The air suction ports 7611 are connected to the suction ports 7621 one-to-one. The suction ports 7621 are used to adsorb rivets. The pump body of the air pump 763 is fixedly connected to the upper end of the support plate 761. The air inlet of the air pump 763 is connected to the air suction port 7611 through an air pipe.

[0046] The implementation principle of the automatic riveting device for sheet metal parts in the embodiment of the present application is as follows: the sheet metal part is placed on the positioning seat 14, so that the positioning column 141 passes through the hole of the sheet metal part to complete the positioning and installation of the sheet metal part, the movable plate 53 moves to make the feed slot 531 communicate with the connecting slot 571, the conveying rod 58 pushes the rivet to move into the feed slot 531, the movable plate 53 moves to make the feed slot 531, the fixed slot 521 and the transition slot 511 communicate, the pushing rod 54 pushes the rivet into the positioning slot 111, the feeding rod 63 pushes the rivet through the connecting slot 591 into the positioning slot 111, and the lower rivet feeding is completed, the discharge plate 732 slides to make the rivet in the discharge pipe 74 fall into the placement slot 721, and the sliding plate 72 slides to make the four placement slots 7 21, the rivets are all dropped into the groove 721 and the grabbing opening 712 are arranged one by one. The moving part 75 controls the adsorption cylinder 762 to move and extend into the grabbing opening 712 to adsorb the rivets, and transport the rivets to the top of the sheet metal, so that the rivets are sleeved on the outer periphery of the positioning column 141. The hydraulic cylinder 18 drives the lifting seat 19 to move downward, and the lifting seat 19 squeezes the processing table 11 to make the processing table 11 descend. The lower punch head 15 pushes the lower rivet into the hole of the sheet metal and moves the sheet metal up. The upper rivet extends into the sheet metal, and the sheet metal continues to move up until the sheet metal contacts the bottom of the transition groove 511, and the lower rivet extends into the avoidance opening 192. The lower punch head 15 and the upper punch head 20 work together to complete the riveting of the rivets.

[0047] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A device for automatically installing rivets on sheet metal parts, characterized in that: The invention comprises a processing table (11), a positioning seat (14), a lower punch head (15), a lifting seat (19), an upper punch head (20), a lower riveting and feeding assembly (5) and an upper riveting and feeding assembly (7), wherein the positioning seat (14) is fixedly connected to the upper end of the processing table (11), the upper end of the positioning seat (14) is fixedly connected to a positioning column (141), the positioning column (141) is used to extend into a hole of a sheet metal part, the processing table (11) is provided with a positioning groove (111), the lower punch head (15) is fixedly connected to the upper end of the processing table (11), and the positioning column (141) is used to extend into a hole of a sheet metal part. 5) slides in the positioning groove (111), the lifting seat (19) is arranged above the processing table (11), the upper punch head (20) is fixedly connected to the lower end of the lifting seat (19), the upper punch head (20) is used to press rivets on the back side of the sheet metal part, the lower punch head (15) is used to press rivets on the front side of the sheet metal part, the lower rivet feeding assembly (5) is used to convey the rivet into the positioning groove (111), and the upper rivet feeding assembly (7) is used to sleeve the rivet on the positioning column (141).

2. The automatic riveting equipment for sheet metal parts according to claim 1 is characterized in that: The machine tool further comprises a mounting platform (3), wherein the mounting platform (3) is arranged on the outer periphery of the processing platform (11); the lower riveting and feeding assembly (5) comprises a transition block (51), a fixed block (52), a movable plate (53) and a push rod (54); the transition block (51) is fixedly connected to the upper end of the processing platform (11); a transition groove (511) is provided at the upper end of the transition block (51); the fixed block (52) is fixedly connected to the upper end of the mounting platform (3); a fixed groove (521) is provided at the upper end of the fixed block (52); the length direction of the fixed groove (521) is parallel to the length direction of the transition groove (511); the movable plate (53) is provided at the transition groove (511) and the movable plate (53) is provided at the transition groove (511). The movable plate (53) is slidably connected to the mounting platform (3) between the transition groove (51) and the fixed groove (52), the sliding direction of the movable plate (53) is parallel to the width direction of the fixed groove (521), the upper end of the movable plate (53) is provided with a feed groove (531), the length direction of the feed groove (531) is parallel to the length direction of the fixed groove (521), the feed groove (531) is used to connect the transition groove (511) and the fixed groove (521), the push rod (54) is slidably connected to the groove wall of the fixed groove (521), and the push rod (54) is used to push the rivet in the feed groove (531) into the positioning groove (111).

3. The automatic riveting equipment for sheet metal parts according to claim 2 is characterized in that: The lower riveting and feeding assembly (5) further comprises a first vibration plate (55), a conveying frame (56), a connecting block (57) and a conveying rod (58); the first vibration plate (55) is fixedly connected to the upper end of the mounting platform (3); one end of the conveying frame (56) is fixedly connected to the outer wall of the first vibration plate (55); the other end of the conveying frame (56) is fixedly connected to the connecting block (57); the upper end of the conveying frame (56) is provided with a conveying groove (561); the connecting block (57) A connecting groove (571) is provided at the upper end of the conveying groove (561), one end of the conveying groove (561) is connected to the discharge port of the first vibrating plate (55), and the other end of the conveying groove (561) is connected to the connecting groove (571), the length direction of the connecting groove (571) is parallel to the length direction of the feeding groove (531), and the conveying rod (58) is slidably connected to the groove wall of the connecting groove (571), and the conveying rod (58) is used to push the rivet in the connecting groove (571) to the feeding groove (531).

4. The automatic riveting equipment for sheet metal parts according to claim 1 is characterized in that: It also includes a placement table (4), the placement table (4) is arranged on the outer periphery of the processing table (11), the upper rivet feeding assembly (7) includes a moving part (75) and a manipulator (76), the moving part (75) is fixedly connected to the upper end of the placement table (4), the manipulator (76) is fixedly connected to the moving part (75), the manipulator (76) is used to grab the rivet, and the moving part (75) is used to control the movement of the manipulator (76) to achieve the rivet being sleeved on the positioning column (141).

5. The automatic riveting equipment for sheet metal parts according to claim 4 is characterized in that: The upper rivet feeding assembly (7) further comprises a mounting plate (71), a sliding plate (72) and a discharge piece (73); the mounting plate (71) is fixedly connected to the upper end of the placement platform (4) via supporting legs; the mounting plate (71) is provided with a feeding port (711) and a grabbing port (712); the feeding port (711) and the grabbing port (712) both vertically penetrate the mounting plate (71); the sliding plate (72) is slidably connected to the lower end of the mounting plate (71); the upper end of the sliding plate (72) is provided with a placement groove (721); the placement groove (721) is used to communicate with the feeding port (711) or the grabbing port (712); the discharge piece (73) is fixedly connected to the upper end of the mounting plate (71); the discharge piece (73) is used to discharge the rivet so that the rivet passes through the feeding port (711) and falls into the placement groove (721).

6. The automatic riveting equipment for sheet metal parts according to claim 5, characterized in that: The material discharge member (73) comprises a material discharge block (731) and a material discharge plate (732). The material discharge block (731) is fixedly connected to the upper end of the mounting plate (71). The material discharge block (731) is provided with a through opening (7311). The through opening (7311) vertically penetrates the material discharge block (731). The through opening (7311) is connected to the material passing port (711). The outer wall of the material discharge block (731) is provided with a sliding opening (7312). The sliding opening (7312) is provided on the outer wall of the material discharge block (731). The upper riveting and feeding assembly (7) further comprises a feed tube (74), wherein the feed tube (74) is arranged on a side of the feed tube (732) away from the mounting plate (71), and one end of the feed tube (74) is coaxially fixedly connected to the inner wall of the through-port (7311).

7. The automatic riveting equipment for sheet metal parts according to claim 4 is characterized in that: The moving part (75) comprises a vertical feeding cylinder (751) and a horizontal feeding cylinder (752); the cylinder body of the vertical feeding cylinder (751) is fixedly connected to the upper end of the placement table (4); the piston rod of the vertical feeding cylinder (751) is fixedly connected to the cylinder body of the horizontal feeding cylinder (752); and the piston rod of the horizontal feeding cylinder (752) is fixedly connected to the manipulator (76).

8. The automatic riveting equipment for sheet metal parts according to claim 4 is characterized in that: The manipulator (76) comprises a support plate (761) and an adsorption cylinder (762), wherein the support plate (761) is fixedly connected to the moving part (75), the support plate (761) is arranged horizontally, the adsorption cylinder (762) is fixedly connected to the lower end of the support plate (761), the adsorption cylinder (762) is provided with an adsorption port (7621), the adsorption port (7621) vertically penetrates the adsorption cylinder (762), the support plate (761) is provided with an air suction port (7611), the air suction port (7611) is connected to the adsorption port (7621), and the adsorption port (7621) is used to adsorb rivets.

9. The automatic riveting equipment for sheet metal parts according to claim 1, characterized in that: It also comprises a fixed seat (12) and an elastic member (13), wherein the fixed seat (12) is arranged below the processing table (11), one end of the elastic member (13) is fixedly connected to the upper end of the fixed seat (12), and the other end of the elastic member (13) is fixedly connected to the lower end of the processing table (11), the lower punch head (15) is fixedly connected to the upper end of the fixed seat (12), and the lower end of the lifting seat (19) is provided with an avoidance opening (192), and the avoidance opening (192) is used for allowing a rivet to extend into.

Citation Information

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