Servo spin riveting machine

Abstract

The utility model relates to a servo spin riveting machine which comprises a mechanism frame, a transmission assembly, a first servo motor and a second servo motor, the transmission assembly comprises a transmission frame, a nut, a lead screw, a linkage shaft and a main shaft, the main shaft is arranged on the linkage shaft and used for driving a riveting head to execute riveting action, and a pressure sensor is arranged on the transmission frame in a linkage mode. One end of the main shaft is connected into the pressure sensor, one end of the lead screw is connected to the nut, linkage matching of the transmission frame and the lead screw is formed, when the first servo motor drives the lead screw to rotate, the lead screw drives the transmission frame to act, and the transmission frame drives the main shaft to execute riveting action through the pressure sensor. The riveting device has the advantages of being simple in structure, stable and reliable in performance, small in size, convenient to assemble and high in riveting precision.

Description

Technical Field

[0001] The utility model relates to a riveting machine, in particular to a desktop energy-saving small punching machine. Background Art

[0002] With the rapid development of mechanical automation technology, automated production is gradually replacing traditional manual processes and moving towards integrated processing equipment. Riveting machines, a new type of riveting equipment developed based on the cold rolling principle, are primarily used for riveting various hardware, tools, electronic components, vehicle riveting, and various special rivet processing. Riveting machines (also known as riveting machines, rotary riveters, riveting machines, and rolling riveters) are a new type of riveting equipment developed based on the cold rolling principle. They are mechanical equipment that rivets objects together. They feature a compact structure, stable performance, and easy and safe operation. Riveting machines primarily rely on rotation and pressure to complete assembly and are primarily used in applications requiring rivets (hollow rivets, hollow rivets, solid rivets, etc.). Existing servo riveting machines have complex structural designs, numerous parts, and are bulky, cumbersome to assemble, and exhibit low riveting precision. Summary of the Invention

[0003] The purpose of the utility model is to overcome the defects of the prior art and provide a servo riveting machine with simple structure, stable and reliable performance, small size, convenient assembly and high riveting precision.

[0004] To achieve the above-mentioned purpose, the utility model adopts a servo riveting machine, including a mechanism frame, a transmission assembly arranged on the mechanism frame and used to drive the riveting head to perform a riveting action, a first servo motor and a second servo motor respectively arranged on the mechanism frame, the transmission assembly includes a transmission frame slidably arranged on the mechanism frame, a nut arranged in the transmission frame, a screw rod rotatably arranged on the mechanism frame and linked to the first servo motor, a linkage shaft rotatably arranged on the mechanism frame and linked to the second servo motor, a main shaft arranged on the linkage shaft and used to drive the riveting head to perform a riveting action, a pressure sensor is arranged in linkage with the transmission frame, one end of the main shaft is connected to the pressure sensor, one end of the screw rod is connected to the nut, and the transmission frame and the screw rod are linked. When the first servo motor drives the screw rod to rotate, the screw rod drives the transmission frame to move, and the transmission frame drives the main shaft to perform a riveting action through the pressure sensor.

[0005] The servo riveting machine has the advantages of simple structure, stable and reliable performance, small size, convenient assembly and high riveting precision.

[0006] In particular, the two limiting protrusions are symmetrically arranged on the peripheral wall of the main shaft, the two limiting grooves are arranged in the linkage shaft and matched with the two limiting protrusions, the two limiting protrusions are clamped in the two limiting grooves, and the linkage of the main shaft and the linkage shaft is formed. The main shaft is clamped in the two limiting grooves of the linkage shaft through the two limiting protrusions, so that the transmission of the main shaft and the linkage shaft is more reliable, and the assembly of the main shaft and the linkage shaft is more convenient.

[0007] In particular, the guide rail frame is arranged on the mechanism frame corresponding to the transmission frame, the guide rail is arranged on the guide rail frame, the sliding block is arranged on the transmission frame and slidably connected with the guide rail, and the sliding block slides back and forth on the guide rail with the transmission frame. The transmission frame is slidably arranged on the guide rail frame of the mechanism frame through the sliding block, so that the assembly of the transmission frame and the mechanism frame is facilitated, and the reliable movement of the transmission frame on the guide rail frame is ensured.

[0008] In particular, the first synchronous wheel is arranged on the other end of the lead screw, the first motor synchronous wheel is arranged on the rotating shaft of the first servo motor, and the first synchronous belt is arranged between the first synchronous wheel and the first motor synchronous wheel. The first servo motor and the lead screw are driven through the first synchronous wheel, the first motor synchronous wheel and the first synchronous belt, so that the transmission between the first servo motor and the lead screw is more reliable and stable.

[0009] In particular, the second synchronous wheel is arranged on the other end of the main shaft, the second motor synchronous wheel is arranged on the motor shaft of the second servo motor, and the second synchronous belt is arranged between the second synchronous wheel and the second motor synchronous wheel. The main shaft and the second servo motor are driven through the second synchronous wheel, the second motor synchronous wheel and the second synchronous belt, so that the transmission between the second servo motor and the main shaft is more reliable and stable.

[0010] In particular, a plurality of bearings are arranged between the lead screw, the linkage shaft and the mechanism frame. The bearings are arranged between the lead screw, the linkage shaft and the mechanism frame, so that the rotation accuracy of the lead screw and the linkage shaft is improved, and the working reliability of the servo riveting machine is improved.

[0011] In particular, the mechanism frame is provided with a cover body that covers the first servo motor, the second servo motor, and the transmission assembly, and the cover body is provided with a touch screen display. The cover body provides protection, preventing dust and debris from entering the first servo motor, the second servo motor, and the transmission assembly, providing improved protection. Furthermore, the cover body is provided with a touch screen display, making it easier for users to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a three-dimensional diagram of an embodiment of the present utility model.

[0013] Figure 2 This is an exploded view of an embodiment of the present utility model.

[0014] Figure 3 This is a diagram of the internal structure of an embodiment of the present utility model.

[0015] Figure 4 It is a three-dimensional diagram of the main shaft of an embodiment of the present utility model. DETAILED DESCRIPTION

[0016] like Figures 1 to 4 As shown, the embodiment of the present invention is a servo riveting machine, including a machine frame 10, a transmission assembly 20 arranged on the machine frame 10 and used to drive the riveting head 11 to perform the riveting action, a first servo motor 12 and a second servo motor 13 respectively arranged on the machine frame 10, the transmission assembly 20 includes a transmission frame 21 slidably arranged on the machine frame 10, a nut 22 arranged in the transmission frame 21, a screw rod 23 rotatably arranged on the machine frame 10 and linked to the first servo motor 13, a screw rod 23 rotatably arranged on the machine frame 10 and linked to the second servo motor 13 The cooperating linkage shaft 24 is provided on the linkage shaft 24 and is linked with the main shaft 25 for driving the riveting head 11 to perform the riveting action. The transmission frame 21 is linked with a pressure sensor 26. One end of the main shaft 25 is connected to the pressure sensor 26. One end of the screw rod 23 is connected to the nut 22, and constitutes a linkage cooperation between the transmission frame 21 and the screw rod 23. When the first servo motor 12 drives the screw rod 23 to rotate, the screw rod 23 drives the transmission frame 21 to move, and the transmission frame 21 drives the main shaft 25 to perform the riveting action through the pressure sensor 26.

[0017] like Figure 3As shown, two limiting protrusions 251 are symmetrically provided on the peripheral wall of the main shaft 25, and two limiting grooves 241 are provided in the linkage shaft 24 to cooperate with the two limiting protrusions 251. The two limiting protrusions 251 engage in the two limiting grooves 241, thereby forming a linkage between the main shaft 25 and the linkage shaft 24. The main shaft is engaged in the two limiting grooves of the linkage shaft via the two limiting protrusions, thereby ensuring more reliable transmission between the main shaft and the linkage shaft and facilitating assembly of the main shaft and the linkage shaft. A guide rail frame 14 is provided on the mechanism frame 10 at a position corresponding to the transmission frame 21. The guide rail frame 14 is provided with a guide rail 15. The transmission frame 21 is provided with a slider 16 that is slidably connected to the guide rail 15. The slider 16 moves with the transmission frame 21 and slides back and forth on the guide rail 15. The transmission frame is slidably arranged on the guide rail frame of the mechanism frame through a slider, thereby facilitating the assembly of the transmission frame and the mechanism frame and ensuring that the transmission frame can reliably move on the guide rail frame.

[0018] like Figure 2 、 3 As shown, a first synchronous pulley 231 is provided on the other end of the lead screw 23. A first motor synchronous pulley 121 is provided on the rotating shaft of the first servo motor 12. A first synchronous belt 17 is provided between the first synchronous pulley 231 and the first motor synchronous pulley 121. The first servo motor and the lead screw are driven by the first synchronous pulley, the first motor synchronous pulley, and the first synchronous belt, thereby ensuring a more reliable and stable transmission between the first servo motor and the lead screw. A second synchronous pulley 252 is provided on the other end of the main shaft 25. A second motor synchronous pulley 131 is provided on the motor shaft of the second servo motor 13. A second synchronous belt 18 is provided between the second synchronous pulley 252 and the second motor synchronous pulley 131. The second synchronous pulley, the second motor synchronous pulley, and the second synchronous belt are provided between the main shaft and the second servo motor, thereby ensuring a more reliable and stable transmission between the second servo motor and the main shaft. Multiple bearings 101 are provided between the lead screw 23, the linkage shaft 24, and the mechanism frame 10. Bearings are installed between the screw, linkage shaft, and the mechanism frame to improve their rotational accuracy, thereby enhancing the operational reliability of the servo riveting machine. The mechanism frame 10 is equipped with a cover 18 that covers the first servo motor 12, the second servo motor 13, and the transmission assembly 20. The cover 18 is equipped with a touchscreen display 19. This cover protects the first and second servo motors, the second servo motors, and the transmission assembly from dust and debris, providing enhanced protection. The cover is also equipped with a touchscreen display for easier user operation.

[0019] The servo riveting machine adopts a double servo motor structure design, the second servo motor drives the main shaft to rotate through the linkage shaft, the first servo motor drives the transmission frame and the main shaft to act through the screw rod, the main shaft drives the riveting head to act, so that the riveting of the servo riveting machine is realized. And a pressure sensor is arranged between the main shaft and the transmission frame, the pressure sensor can monitor the riveting pressure of the main shaft, so that the riveting accuracy of the servo riveting machine can be ensured, and the transmission assembly adopts a modular structure design, so that the modular assembly of the servo riveting machine can be realized, and the assembly efficiency is higher. Therefore, the servo riveting machine has the advantages of simple structure, stable and reliable performance, small size, convenient assembly and high riveting accuracy.

Claims

1. A servo riveting machine, characterized by: It includes a mechanism frame, a transmission assembly arranged on the mechanism frame and used to drive the riveting head to perform a riveting action, a first servo motor and a second servo motor respectively arranged on the mechanism frame, the transmission assembly includes a transmission frame slidably arranged on the mechanism frame, a nut arranged in the transmission frame, a screw rod rotatably arranged on the mechanism frame and linked to the first servo motor, a linkage shaft rotatably arranged on the mechanism frame and linked to the second servo motor, and a main shaft arranged on the linkage shaft and used to drive the riveting head to perform a riveting action. A pressure sensor is arranged in linkage with the transmission frame, one end of the main shaft is connected to the pressure sensor, and one end of the screw rod is connected to the nut, and the transmission frame and the screw rod are linked. When the first servo motor drives the screw rod to rotate, the screw rod drives the transmission frame to move, and the transmission frame drives the main shaft to perform a riveting action through the pressure sensor.

2. The servo riveting machine according to claim 1, characterized in that : Two limiting protrusions are symmetrically arranged on the peripheral wall of the main shaft, and two limiting grooves matching the two limiting protrusions are arranged in the linkage shaft. The two limiting protrusions are engaged in the two limiting grooves and constitute the linkage cooperation between the main shaft and the linkage shaft.

3. The servo riveting machine according to claim 1 or 2, characterized in that: A guide rail frame is provided on the mechanism frame at a position corresponding to the transmission frame, a guide rail is provided on the guide rail frame, and a slider slidably connected with the guide rail is provided on the transmission frame. The slider moves with the transmission frame and slides back and forth on the guide rail.

4. The servo riveting machine according to claim 1 or 2, characterized in that: A first synchronous wheel is provided on the other end of the screw rod, a first motor synchronous wheel is provided on the rotating shaft of the first servo motor, and a first synchronous belt is provided between the first synchronous wheel and the first motor synchronous wheel.

5. The servo riveting machine according to claim 1 or 2, characterized in that: A second synchronous wheel is provided on the other end of the main shaft, a second motor synchronous wheel is provided on the motor shaft of the second servo motor, and a second synchronous belt is provided between the second synchronous wheel and the second motor synchronous wheel.

6. The servo riveting machine according to claim 1 or 2, characterized in that: A plurality of bearings are respectively arranged between the screw rod, the linkage shaft and the mechanism frame.

7. The servo riveting machine according to claim 1 or 2, characterized in that: The mechanism frame is provided with a cover body which covers the first servo motor, the second servo motor and the transmission component, and the cover body is provided with a touch display screen.

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