A light-weight high-strength automatic feeding and riveting mechanism device

By designing a lightweight, high-strength automatic feeding and riveting mechanism, the problem of low efficiency caused by the eccentricity of the nail body and the nail core was solved, realizing the concentric insertion of the nail body and the riveting gun and automated riveting, thus improving work efficiency.

CN117415276BActive Publication Date: 2026-04-28宝玛克(合肥)科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
宝玛克(合肥)科技有限公司
Filing Date
2023-09-11
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

In existing technologies, the rivet body and core are eccentric, making it impossible to use robots to replace manual labor in core-pulling riveting, which increases the workload of workers and reduces work efficiency.

Method used

A lightweight, high-strength automatic feeding and riveting mechanism for core pulling is designed, including a riveting mechanism, a feeding mechanism, and a conveying and guiding mechanism. By using the cooperation of an electric cylinder, an electromagnetic slider, and an electric push rod, the rivet body and the head of the core pulling riveting gun are made concentric. The positioning and tilting of the rivet are adjusted by an inclination sensor and an adjustment component, reducing manual intervention.

Benefits of technology

It achieves concentric insertion of the rivet body and the pop rivet gun, reduces manual operation, improves work efficiency, and further improves riveting efficiency through automation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a mechanism device for light-weight high-strength automatic feeding and riveting, comprising a mounting frame, a riveting mechanism, a feeding mechanism and a conveying guide mechanism; the riveting mechanism, the feeding mechanism and the conveying guide mechanism are all mounted on the mounting frame. The positioning assembly is located below the feeding pipe through the cooperation of the electric cylinder, the electromagnetic slide block one and the electric push rod one, and the rivet falling through the feeding pipe is positioned through the positioning assembly. Then, the rivet core is inserted into the gun head of the core-pulling riveting gun through the cooperation of the electric cylinder, the electromagnetic slide block one and the electric push rod one, so that the rivet body is concentric with the gun head of the core-pulling riveting gun. At this time, the mounting frame is moved by the manipulator to insert the rivet body into the product mounting hole, the positioning of the rivet by the positioning assembly is cancelled, the conveying guide mechanism is shifted, the mounting frame is moved by the manipulator to insert the rivet into place, and manual work is not needed, the work load of the staff is reduced, and the work efficiency is improved.
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Description

Technical Field

[0001] This invention relates to the field of core-pulling riveting technology, specifically to a lightweight, high-strength automatic core-pulling feeding and riveting mechanism. Background Technology

[0002] Blind riveting is a common riveting method, typically used to join metal materials. It involves creating a recessed area on the two workpieces to be joined using specific tools and techniques to accommodate the shape of the rivet head. Blind riveting rivets consist of a rivet body and a rivet core. Currently, it's impossible to make the rivet body and core perfectly concentric; there's an eccentricity issue. Currently, blind riveting is done manually using a handheld blind riveting gun. The gun head holds the rivet core, and the rivet body is manually inserted into the mounting hole on the product. This method is inefficient and requires significant manual labor.

[0003] Since the rivet body and core are eccentric when they arrive, robots cannot replace manual labor for core-pulling riveting. While the core-pulling gun head can ensure that the core-pulling gun head and the core are concentric, the rivet body and core are eccentric, and the direction and degree of eccentricity are different. As a result, it is impossible to deliver the rivet into the product's mounting hole by sucking up the core, which requires manual labor, increasing the workload of workers and greatly reducing work efficiency.

[0004] Therefore, this application proposes a lightweight, high-strength automatic core-pulling feeding and riveting mechanism. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a lightweight, high-strength automatic core-pulling feeding and riveting mechanism, which solves the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A lightweight, high-strength, automatic feeding and riveting mechanism for core pulling includes a mounting frame, a riveting mechanism, a feeding mechanism, and a conveying and guiding mechanism.

[0008] The riveting mechanism, the feeding mechanism, and the conveying and guiding mechanism are all mounted on the mounting frame;

[0009] The riveting mechanism includes a core-pulling riveting gun that is fixedly mounted on a mounting bracket;

[0010] The feeding mechanism includes a fixed frame that is fixedly installed on the mounting frame and located on one side of the core-pulling riveting gun. A vertical feeding pipe is fixedly installed on the fixed frame. A sealing component that acts on the feeding pipe is installed at the bottom of the feeding pipe, which is used to seal or unseal the bottom of the feeding pipe.

[0011] The conveying and guiding mechanism includes a guide rod 1 installed vertically through the mounting frame, a connecting block fixed to the bottom of the guide rod 1, an electric cylinder connected to the connecting block fixedly installed on the mounting frame, a sliding block slidably installed horizontally at the bottom of the connecting block, an electromagnetic slider 1 connected to the sliding block fixedly installed on the connecting block, a guide rod 2 slidably passing through the sliding block horizontally, a mounting block fixed to the end of the guide rod 2, an electric push rod 1 connected to the mounting block fixedly installed on the sliding block, a connecting rod ball-connected to the bottom of the mounting block, and an adjustment component acting on the connecting rod installed on the mounting block, which is used to make the connecting rod rotate around the connection point between the connecting rod and the mounting block on the mounting block;

[0012] The connecting rod has a guide post that moves through it. A positioning component that acts on the rivet is installed at the end of the guide post. An electric push rod connected to the guide post is fixedly installed on the connecting rod. An inclination sensor is fixedly installed on the connecting rod. An inclination sensor is fixedly installed on the pop rivet gun near its head.

[0013] Furthermore: the sealing assembly includes a sealing block fixedly installed at the bottom of the feeding pipe, the sealing block having a through hole communicating with the inside of the feeding pipe, a sealing plate for sealing the through hole being slidably installed at the bottom of the sealing block in a horizontal direction, and a driving member acting on the sealing plate being installed on the sealing block, which is used to make the sealing plate slide at the bottom of the sealing block so as to seal the through hole.

[0014] Furthermore: the driving component includes a sliding rod fixedly installed at the bottom of the sealing block, and a spring is sleeved on the outside of the sliding rod, with the two ends of the spring connected to the sliding rod and the sealing plate respectively.

[0015] Furthermore: the positioning component includes a positioning frame fixedly installed on the guide column. The bottom of the positioning frame has a groove. Electric push rods five are symmetrically fixedly installed on the positioning frame and within the groove. The piston rod of the electric push rod five is fixed with a positioning ring. A through opening is provided on the positioning frame and directly above the two positioning rings on opposite sides. Vertical plates that can contact the sealing plate are installed on the top of the positioning frame and on both sides of the through opening.

[0016] Furthermore: the adjustment component includes:

[0017] A ring plate is sleeved on the outside of the connecting rod and rotatably connected to the mounting block. A rotating block is rotatably mounted on the outside of the connecting rod. An electric actuator three is hinged on the ring plate, and the other end of the electric actuator three is hinged to the rotating block.

[0018] A drive unit, which is mounted on the mounting block and connected to the annular plate, is used to rotate or stop the rotation of the annular plate.

[0019] Furthermore: the driving component includes an external gear ring coaxially fixed to the annular plate, and a motor is fixedly mounted on the mounting block. The output shaft of the motor meshes with the external gear ring through a gear.

[0020] Furthermore: both upright plates are slidably mounted on the top of the positioning frame along the through-hole direction, and an electromagnetic slider II connected to the upright plates is fixedly mounted on the positioning frame. A detection mechanism for detecting rivets is installed on the opposite sides of the two upright plates.

[0021] Furthermore: the detection mechanism includes telescopic rods symmetrically installed on opposite sides of two upright plates, each telescopic rod having a contact plate fixed on its opposite side, and a detection component connected to the contact plate being installed on the upright plate.

[0022] Furthermore: the detection assembly includes a housing with a vertical plate fixedly installed on the side near the contact plate, a detection rod movably passing through the housing on the side near the contact plate, a gravity sensor fixedly installed at the end of the detection rod in contact with the contact plate, and a spring II installed inside the housing on the side opposite to the detection rod.

[0023] Furthermore: A horizontally oriented electric actuator four is fixedly installed on the side of the upright plate near the contact plate, and the piston rod of the electric actuator four can contact the contact plate;

[0024] Both of the two contact plates have arc-shaped grooves on opposite sides. When the two contact plates are in contact, the cross-sections of the two arc-shaped grooves are circular.

[0025] This invention provides a lightweight, high-strength automatic feeding and riveting mechanism for core pulling. Compared with existing technologies, it has the following advantages:

[0026] 1. Utilizing the design of the positioning component, through the cooperation of an electric cylinder, electromagnetic slider one, and electric push rod one, the positioning component is positioned below the feeding tube. When the blocking component is removed from the feeding tube, the rivet falls through the bottom of the feeding tube. The positioning component can then position the rivet falling through the feeding tube. Then, through the cooperation of the electric cylinder, electromagnetic slider one, and electric push rod one, the rivet core can be inserted into the head of the pop rivet gun, making the rivet body concentric with the head of the pop rivet gun. At this time, the robot arm drives the mounting frame to move and insert the rivet body into the product mounting hole. The positioning component is removed from the rivet positioning, the conveying and guiding mechanism makes way, the robot arm drives the mounting frame to move and insert the rivet into place, and the riveting mechanism starts working. The pop rivet gun pulls the rivet core and rivets it into the product mounting hole. This process does not require manual labor, reducing the workload of workers and improving work efficiency.

[0027] 2. Through the design of inclination sensor one and inclination sensor two, after the conveying and guiding mechanism makes way, the positioning component is positioned below the feeding pipe through the cooperation of electric cylinder, electromagnetic slider one, and electric push rod one. When the blocking component is removed from the feeding pipe, the rivet falls through the bottom of the feeding pipe. The rivet falling through the feeding pipe is positioned, and the rivet is tilted by the adjustment component based on the signals collected by inclination sensor one and inclination sensor two. This makes it easier for the conveying and guiding mechanism to deliver the rivet to the head of the core-pulling riveting gun without requiring the core-pulling riveting gun to be fully reset, further improving work efficiency. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 A three-dimensional structural schematic diagram of the present invention is shown;

[0030] Figure 2 A schematic diagram of the installation structure of the conveying and guiding mechanism of the present invention is shown;

[0031] Figure 3 A schematic diagram of the feeding mechanism of the present invention is shown;

[0032] Figure 4 A schematic diagram of the installation structure of the guide post of the present invention is shown;

[0033] Figure 5 A schematic diagram of the mounting structure of the drive component of the present invention is shown;

[0034] Figure 6 A schematic diagram of the detection component of the present invention is shown;

[0035] Figure 7 A schematic diagram of the installation structure of the detection mechanism of the present invention is shown;

[0036] Figure 8 The present invention is shown Figure 7 Enlarged view of point A in the middle;

[0037] The diagram shows: 1. Mounting bracket; 2. Riveting mechanism; 21. Blind riveting gun; 211. Inclination sensor II; 3. Feeding mechanism; 31. Fixing bracket; 32. Feeding pipe; 33. Sealing assembly; 331. Sealing block; 332. Through hole; 333. Sealing plate; 334. Driving component; 3341. Sliding rod; 3342. Spring I; 4. Conveying and guiding mechanism; 41. Guide rod I; 42. Connecting block; 43. Electric cylinder; 44. Sliding block; 45. Electromagnetic slider I; 46. Guide rod II; 47. Mounting block; 48. Electric push rod I; 49. Connecting rod; 491. Guide column; 492. 1. Electric push rod 2; 493. Inclination sensor 1; 5. Adjustment assembly; 51. Ring plate; 52. Rotating block; 53. Electric push rod 3; 54. Drive component; 541. External gear ring; 542. Motor; 543. Gear; 6. Positioning assembly; 61. Positioning frame; 611. Groove; 612. Through-hole; 62. Electric push rod 5; 63. Vertical plate; 64. Electromagnetic slider 2; 65. Positioning ring; 7. Detection mechanism; 71. Telescopic rod; 72. Contact plate; 73. Detection assembly; 731. Housing; 732. Detection rod; 733. Gravity sensor; 734. Spring 2; 8. Electric push rod 4. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] Example 1

[0040] To address the technical problems in the background art, the following lightweight, high-strength automatic core-pulling feeding and riveting mechanism is provided:

[0041] Combination Figures 1-8As shown, the present invention provides a lightweight, high-strength automatic feeding and riveting mechanism for core pulling, including a mounting frame 1, a riveting mechanism 2, a feeding mechanism 3, and a conveying and guiding mechanism 4. The riveting mechanism 2, the feeding mechanism 3, and the conveying and guiding mechanism 4 are all mounted on the mounting frame 1, wherein the mounting frame 1 is used for mounting on a robotic arm. The riveting mechanism 2 includes a core-pulling riveting gun 21 fixedly mounted on the mounting frame 1. The feeding mechanism 3 includes a fixing frame 31 fixedly mounted on the mounting frame 1 and located on one side of the core-pulling riveting gun 21. The fixing frame 31 has a fixed... A vertically oriented feeding pipe 32 is fixedly installed. Specifically, the top of the feeding pipe 32 is connected to a rivet feeder, which is used to transport rivets into the feeding pipe 32. The rivet feeder is not specifically limited here; a screw feeder, etc., can also be used. A sealing component 33 is installed at the bottom of the feeding pipe 32, which is used to seal or unseal the bottom of the feeding pipe 32. The conveying and guiding mechanism 4 includes a guide rod 41 installed vertically and movably through the mounting frame 1. The bottom of the guide rod 41... A connecting block 42 is fixedly mounted on the mounting bracket 1. An electric cylinder 43 connected to the connecting block 42 is fixedly mounted on the mounting bracket 1. A sliding block 44 is slidably mounted horizontally on the bottom of the connecting block 42. An electromagnetic slider 45 connected to the sliding block 44 is fixedly mounted on the connecting block 42. A guide rod 46 moves horizontally through the sliding block 44. A mounting block 47 is fixedly mounted at the end of the guide rod 46. An electric push rod 48 connected to the mounting block 47 is fixedly mounted on the sliding block 44. A connecting rod 49 is ball-connected to the bottom of the mounting block 47. An adjustment component 5 is installed on the connecting rod 49, which is used to make the connecting rod 49 rotate around the connection between the connecting rod 49 and the mounting block 47 on the mounting block 47; a guide post 491 is movably passed through the end of the connecting rod 49, and a positioning component 6 acting on the rivet is installed at the end of the guide post 491; an electric push rod 492 connected to the guide post 491 is fixedly installed on the connecting rod 49; an inclination sensor 493 is fixedly installed on the connecting rod 49; and an inclination sensor 211 is fixedly installed on the pop rivet gun 21 near its head.

[0042] Utilizing the design of the positioning component 6, through the cooperation of the electric cylinder 43, electromagnetic slider 45, and electric push rod 48, the positioning component 6 is positioned below the feeding pipe 32. When the blocking component 33 is removed from the feeding pipe 32, the rivet falls through the bottom of the feeding pipe 32. The positioning component 6 can then position the rivet falling through the feeding pipe 32. Then, through the cooperation of the electric cylinder 43, electromagnetic slider 45, and electric push rod 48, the rivet core is inserted into the head of the pull-riveting gun 21, making the rivet body concentric with the head of the pull-riveting gun 21. At this time, the robotic arm drives the mounting frame 1 to move, inserting the rivet body into the product mounting hole. The positioning component 6 is then removed from the rivet's position, the conveying and guiding mechanism 4 moves aside, and the robotic arm drives the mounting frame 1 to insert the rivet into place. The riveting mechanism 2 then begins to work, and the pull-riveting gun 21... The rivet is pulled into the product mounting hole without manual intervention, reducing workload and improving efficiency. Through the design of the inclination sensor 493 and inclination sensor 211, after the conveying and guiding mechanism 4 is positioned, the positioning component 6 is positioned below the feeding pipe 32 via the cooperation of the electric cylinder 43, electromagnetic slider 45, and electric push rod 48. When the blocking component 33 is removed from the feeding pipe 32, the rivet falls through the bottom of the feeding pipe 32. The rivet falling through the feeding pipe 32 is positioned, and the signals collected by the inclination sensor 493 and inclination sensor 211 are used to adjust the rivet's tilt using the adjusting component 5. This allows the conveying and guiding mechanism 4 to easily deliver the rivet to the head of the rivet gun 21 without requiring the rivet gun 21 to fully reset, further improving efficiency.

[0043] In this embodiment, the sealing assembly 33 includes a sealing block 331 fixedly installed at the bottom of the feeding pipe 32. The sealing block 331 has a through hole 332 communicating with the inside of the feeding pipe 32. A sealing plate 333 for sealing the through hole 332 is slidably installed at the bottom of the sealing block 331 in a horizontal direction. A driving member 334 acting on the sealing plate 333 is installed on the sealing block 331, which is used to make the sealing plate 333 slide at the bottom of the sealing block 331 so that the sealing plate 333 seals the through hole 332.

[0044] In use, a force is applied to the sealing plate 333, causing it to slide from the bottom of the sealing block 331 to the side of the through hole 332, thus canceling the sealing of the through hole 332. At this time, the force state of the driving member 334 changes. When the force on the sealing plate 333 is canceled, the driving member 334 returns to its original state, allowing the sealing plate 333 to slide back to its original position at the bottom of the sealing block 331, thus sealing the through hole 332 for easy use.

[0045] In this embodiment, the driving member 334 includes a sliding rod 3341 fixedly installed at the bottom of the sealing block 331. A spring 3342 is sleeved on the outside of the sliding rod 3341, and the two ends of the spring 3342 are respectively connected to the sliding rod 3341 and the sealing plate 333.

[0046] When a force is applied to the sealing plate 333, causing it to slide from the bottom of the sealing block 331 to the side of the through hole 332, the sealing plate 333 slides along the sliding rod 3341. The spring 3342 deforms under the force. When the force applied to the sealing plate 333 is removed, the spring 3342 returns to its natural state, thus allowing the sealing plate 333 to slide back to its original position at the bottom of the sealing block 331.

[0047] In this embodiment, the positioning component 6 includes a positioning frame 61 fixedly installed on the guide post 491. The bottom of the positioning frame 61 has a groove 611. Electric push rods 62 are symmetrically fixedly installed on the positioning frame 61 and within the groove 611. The piston rod of the electric push rods 62 is fixed with a positioning ring 65. A through opening 612 is provided on the positioning frame 61 and directly above the opposite sides of the two positioning rings 65. Vertical plates 63 that can contact the sealing plate 333 are installed on the top of the positioning frame 61 and on both sides of the through opening 612.

[0048] In use, the electric cylinder 43 and the electric push rod 48 work together to position the positioning frame 61 on one side below the sealing plate 333, and make the two upright plates 63 contact the sealing plate 333. Then, the electromagnetic slider 45 works together to position the through hole 612 directly below the through hole 332, so that the through hole 612 can fall to the opposite side of the two positioning rings 65. The two positioning rings 65 are used to achieve the positioning effect of the rivet. After the robot arm drives the mounting frame 1 to move and insert the rivet body into the product mounting hole, the two electric push rods 62 are controlled to make the two positioning rings 65 move away from each other, so that the positioning of the rivet can be canceled. At this time, the electric cylinder 43, the electromagnetic slider 45, and the electric push rod 48 work together to achieve the yielding effect of the conveying and guiding mechanism 4.

[0049] Example 2

[0050] like Figures 1-8 As shown, based on the above embodiments, this embodiment further provides the following:

[0051] In this embodiment, the adjustment component 5 includes: an annular plate 51, which is sleeved on the outside of the connecting rod 49 and rotatably connected to the mounting block 47; a rotating block 52 is rotatably mounted on the outside of the connecting rod 49; an electric actuator 53 is hinged on the annular plate 51; and a driving member 54, which is mounted on the mounting block 47 and connected to the annular plate 51. The driving member 54 is used to rotate or stop the rotation of the annular plate 51.

[0052] In use, when the tilt sensor 211 detects that the nozzle of the pop rivet gun 21 is tilted, the tilt sensor 493 detects the tilt of the connecting rod 49. By controlling the electric actuator 53 and the drive unit 54, the connecting rod 49 rotates around the connection between the connecting rod 49 and the mounting block 47, so that the tilt angle of the connecting rod 49 and the nozzle of the pop rivet gun 21 is consistent, which facilitates the delivery of the rivet to the head of the pop rivet gun 21.

[0053] In this embodiment, the driving component 54 includes an external gear ring 541 coaxially fixed to the annular plate 51, and a motor 542 is fixedly mounted on the mounting block 47. The output shaft of the motor 542 meshes with the external gear ring 541 through a gear 543.

[0054] When in use, the control motor 542 is turned on, and the motor 542 drives the gear 543 to rotate, which in turn drives the annular plate 51 to rotate on the mounting block 47 through the external gear ring 541.

[0055] In this embodiment, both upright plates 63 are slidably mounted on the top of the positioning frame 61 along the through-hole 612 direction. An electromagnetic slider 64 connected to the upright plates 63 is fixedly mounted on the positioning frame 61. A detection mechanism 7 for detecting rivets is installed on the opposite sides of the two upright plates 63.

[0056] By utilizing the design of the detection mechanism 7, two electromagnetic sliders 64 bring the two upright plates 63 closer together on the positioning frame 61, so that the detection mechanism 7 comes into contact with the rivet. The detection mechanism 7 can then be used to test the coaxiality of the rivet core and body.

[0057] Example 3

[0058] like Figures 1-8 As shown, based on the above embodiments, this embodiment further provides the following:

[0059] In this embodiment, the detection mechanism 7 includes telescopic rods 71 ​​symmetrically installed on opposite sides of two upright plates 63. Contact plates 72 are fixed on opposite sides of the two telescopic rods 71, and detection components 73 connected to the contact plates 72 are installed on the upright plates 63.

[0060] In use, when the two vertical plates 63 are brought closer to each other on the positioning frame 61 by the two electromagnetic sliders 64, when the rivet core tilts towards one of the contact plates 72, the contact plate 72 can be pushed along the telescopic rod 71 towards the vertical plate 63, and the detection component 73 is subjected to force, thereby realizing the detection effect of the coaxiality between the rivet core and the rivet body. This facilitates the control of the motor 542 and the electric push rod 53 to adjust the tilt direction of the connecting rod 49, making it easier to transport the rivet to the head of the pop rivet gun 21.

[0061] In this embodiment, the detection component 73 includes a housing 731 on which a vertical plate 63 is fixedly installed near the side of the contact plate 72. A detection rod 732 is movably inserted through the side of the housing 731 near the contact plate 72. A gravity sensor 733 that contacts the contact plate 72 is fixedly installed at the end of the detection rod 732. A spring 734 is installed inside the housing 731 and on the side opposite to the detection rod 732.

[0062] In use, when the rivet core tilts towards one of the contact plates 72, it pushes the contact plate 72 closer to the vertical plate 63 along the telescopic rod 71, thus displacing the gravity sensor 733. This causes the detection rod 732 to slide into the housing 731, causing the spring 734 to deform under force. As the contact plate 72 moves closer to the vertical plate 63 along the telescopic rod 71, the gravity sensor 733 changes its force detection value, achieving the detection effect.

[0063] In this embodiment, a horizontally oriented electric actuator 48 is fixedly installed on the side of the upright plate 63 near the contact plate 72, and the piston rod of the electric actuator 48 can contact the contact plate 72; arc-shaped grooves are opened on the opposite sides of the two contact plates 72, and when the two contact plates 72 are in contact, the cross-section of the two arc-shaped grooves is circular.

[0064] By utilizing the design of the electric actuator 48, when the force detection value of the gravity sensor 733 changes, the electric actuator 48 on the same side as the gravity sensor 733 can push the contact plate 72 towards the nail core, resetting the nail core and making the nail body and nail core concentric. This facilitates the delivery of the rivet to the head of the pop rivet gun 21. Utilizing the design of the two arc-shaped grooves with circular cross-sections when the two contact plates 72 are in contact with the nail core, when the force detection value of the gravity sensor 733 changes, it can be determined that the nail core is tilted and located on opposite sides of the two contact plates 72. This allows for adjustment of the connecting rod 49, further facilitating the delivery of the rivet to the head of the pop rivet gun 21.

[0065] Working principle and usage process of this invention:

[0066] When using:

[0067] The rivet is fed into the feeding pipe 32 by a rivet feeder. Through the cooperation of the electric cylinder 43 and the electric push rod 48, the positioning frame 61 is positioned below the sealing plate 333, and the two upright plates 63 are in contact with the sealing plate 333. Then, with the cooperation of the electromagnetic slider 45, the through-hole 612 is positioned directly below the through hole 332. At this time, the sealing plate 333 slides from the bottom of the sealing block 331 to the side of the through hole 332, and the spring 3342 deforms under force, allowing it to fall through the through-hole 612 to the opposite side of the two positioning rings 65. The two positioning rings 65 achieve the positioning effect of the rivet. Then, through the cooperation of the electric cylinder 43, the electromagnetic slider 45, and the electric push rod 48, the rivet core is inserted into the head of the pop rivet gun 21, allowing... When the rivet body and the head of the pop rivet gun 21 are concentric, the spring 3342 returns to its natural state, allowing the sealing plate 333 to slide and reset at the bottom of the sealing block 331, thus sealing the through hole 332. After the robotic arm drives the mounting frame 1 to move and insert the rivet body into the product mounting hole, it controls the two electric push rods 62 to move the two positioning rings 65 away from each other, thus canceling the positioning of the rivet. At this time, the electric cylinder 43, the electromagnetic slider 45, and the electric push rod 48 work together to make the conveying guide mechanism 4 move aside, and the robotic arm drives the mounting frame 1 to move and insert the rivet into place. The riveting mechanism 2 starts to work, and the pop rivet gun 21 pulls the rivet into the product mounting hole. This does not require manual labor, reducing the workload of workers and improving work efficiency.

[0068] During this process, two electromagnetic sliders 64 bring the two upright plates 63 closer together on the positioning frame 61. When the rivet core tilts towards one of the contact plates 72, it pushes the contact plate 72 along the telescopic rod 71 towards the upright plate 63, thus displacing the gravity sensor 733. This, in turn, pushes the detection rod 732 to slide into the housing 731. The spring 734 deforms under the force, and the contact plate 72 moves closer to the upright plate 63 along the telescopic rod 71. When the gravity sensor 733 is displaced, the force detection value of the gravity sensor 733 changes, which is then pushed by the electric push rod 8 on the same side as the gravity sensor 733. The contact plate 72 moves towards the nail core to reset the nail core, making the nail body and the nail core concentric, which facilitates the delivery of the rivet to the head of the pull rivet gun 21; when both contact plates 72 are in contact with the nail core, and the force detection value of the gravity sensor 733 changes, it can be known that the nail core is tilted and located on opposite sides of the two contact plates 72. Through the cooperation of the electric push rod 3 53 and the motor 542, the connecting rod 49 rotates on the mounting block 47 around the connection between the connecting rod 49 and the mounting block 47, so that the tilt angle of the nozzle of the pull rivet gun 21 is consistent, which facilitates the delivery of the rivet to the head of the pull rivet gun 21;

[0069] Furthermore, through the design of the inclination sensor 493 and the inclination sensor 211, after the conveying and guiding mechanism 4 makes way, when the riveting mechanism 2 starts working, the positioning component 6 is positioned below the feeding pipe 32 through the cooperation of the electric cylinder 43, the electromagnetic slider 45, and the electric push rod 48. This positions the rivets falling through the feeding pipe 32. The signals collected by the inclination sensor 493 and the inclination sensor 211, along with the cooperation of the electric push rod 53 and the motor 542, cause the connecting rod 49 to rotate around the connection point between the connecting rod 49 and the mounting block 47. This rotation ensures that the connecting rod 49 is at the same inclination angle as the nozzle of the pop rivet gun 21, facilitating the feeding of the rivets to the head of the pop rivet gun 21 without requiring the pop rivet gun 21 to fully reset, thus further improving work efficiency.

[0070] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0071] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A lightweight, high-strength automatic core-pulling feeding and riveting mechanism, characterized in that: Includes mounting frame, riveting mechanism, feeding mechanism, and conveying and guiding mechanism; The riveting mechanism, the feeding mechanism, and the conveying and guiding mechanism are all mounted on the mounting frame; The riveting mechanism includes a core-pulling riveting gun that is fixedly mounted on a mounting bracket; The feeding mechanism includes a fixed frame that is fixedly installed on the mounting frame and located on one side of the core-pulling riveting gun. A vertical feeding pipe is fixedly installed on the fixed frame. A sealing component that acts on the feeding pipe is installed at the bottom of the feeding pipe, which is used to seal or unseal the bottom of the feeding pipe. The sealing assembly includes a sealing block fixedly installed at the bottom of the feeding pipe, the sealing block having a through hole communicating with the inside of the feeding pipe, and a sealing plate for sealing the through hole being slidably installed at the bottom of the sealing block in a horizontal direction. The conveying and guiding mechanism includes a guide rod 1 that moves vertically through the mounting frame, a connecting block fixed to the bottom of the guide rod 1, an electric cylinder connected to the connecting block fixedly mounted on the mounting frame, a sliding block slidably mounted horizontally at the bottom of the connecting block, an electromagnetic slider 1 connected to the sliding block fixedly mounted on the connecting block, a guide rod 2 that moves horizontally through the sliding block, a mounting block fixed to the end of the guide rod 2, an electric push rod 1 connected to the mounting block fixedly mounted on the sliding block, a connecting rod ball connected to the bottom of the mounting block, and an adjustment component acting on the connecting rod mounted on the mounting block. The adjusting assembly includes an annular plate sleeved on the outside of the connecting rod and rotatably connected to the mounting block. A rotating block is rotatably mounted on the outside of the connecting rod. An electric actuator three is hinged to the annular plate, and the other end of the electric actuator three is hinged to the rotating block. A driving component is mounted on the mounting block and connected to the annular plate. The driving component is used to rotate or stop the rotation of the annular plate. The adjusting assembly is used to make the connecting rod rotate on the mounting block about the connection point between the connecting rod and the mounting block. The end of the connecting rod is movably connected to a guide post, and the end of the guide post is equipped with a positioning component that acts on the rivet. The connecting rod is fixedly mounted with an electric push rod connected to the guide post. The connecting rod is fixedly mounted with an inclination sensor. The core-pulling riveting gun is fixedly mounted with an inclination sensor two near its head. The positioning assembly includes a positioning frame fixedly installed on a guide column. The bottom of the positioning frame has a groove. Electric push rods five are symmetrically fixedly installed on the positioning frame and within the groove. The piston rod of the electric push rod five is fixed with a positioning ring. A through-hole is opened on the positioning frame and directly above the two positioning rings on opposite sides. Vertical plates that contact the sealing plate are installed on the top of the positioning frame and on both sides of the through-hole.

2. The lightweight, high-strength core-pulling automatic feeding and riveting mechanism according to claim 1, characterized in that: The sealing block is equipped with a driving element that acts on the sealing plate, which is used to make the sealing plate slide at the bottom of the sealing block so that the sealing plate seals the through hole.

3. The lightweight, high-strength core-pulling automatic feeding and riveting mechanism according to claim 2, characterized in that: The driving component includes a sliding rod fixedly installed at the bottom of the sealing block, and a spring is sleeved on the outside of the sliding rod. The two ends of the spring are respectively connected to the sliding rod and the sealing plate.

4. The lightweight, high-strength core-pulling automatic feeding and riveting mechanism according to claim 1, characterized in that: The driving component includes an external gear ring coaxially fixed to the annular plate, and a motor is fixedly mounted on the mounting block. The output shaft of the motor meshes with the external gear ring through a gear.

5. The lightweight, high-strength core-pulling automatic feeding and riveting mechanism according to claim 1, characterized in that: Both upright plates are slidably mounted on the top of the positioning frame along the through-hole direction. An electromagnetic slider connected to the upright plates is fixedly mounted on the positioning frame. A detection mechanism for detecting rivets is installed on the opposite sides of the two upright plates.

6. The lightweight, high-strength core-pulling automatic feeding and riveting mechanism according to claim 5, characterized in that: The detection mechanism includes telescopic rods symmetrically installed on opposite sides of two upright plates. Contact plates are fixed on opposite sides of the two telescopic rods, and detection components connected to the contact plates are installed on the upright plates.

7. The lightweight, high-strength core-pulling automatic feeding and riveting mechanism according to claim 6, characterized in that: The detection assembly includes a housing fixedly installed on the side of the upright plate near the contact plate. A detection rod is movably inserted through the housing on the side near the contact plate. A gravity sensor that contacts the contact plate is fixedly installed at the end of the detection rod. A spring is installed inside the housing on the side opposite to the detection rod.

8. The lightweight, high-strength core-pulling automatic feeding and riveting mechanism according to claim 7, characterized in that: A horizontally oriented electric actuator four is fixedly installed on the side of the upright plate near the contact plate, and the piston rod of the electric actuator four is in contact with the contact plate. Both of the two contact plates have arc-shaped grooves on opposite sides. When the two contact plates are in contact, the cross-sections of the two arc-shaped grooves are circular.

Citation Information

Patent Citations

  • Detection bench with bench top capable of freely inclining to any direction

    CN106595586A

  • Automobile plastic buckle assembling tool

    CN217750317U

  • Core-pulling riveting feeding guide mechanism

    CN219211508U