CN217701212U - Pull rivet nut gun - Google Patents

Pull rivet nut gun Download PDF

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Publication number
CN217701212U
CN217701212U CN202221681009.XU CN202221681009U CN217701212U CN 217701212 U CN217701212 U CN 217701212U CN 202221681009 U CN202221681009 U CN 202221681009U CN 217701212 U CN217701212 U CN 217701212U
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CN
China
Prior art keywords
sleeve
central shaft
rivet nut
shaft
gear
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Active
Application number
CN202221681009.XU
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Chinese (zh)
Inventor
刘金龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Huacheng Automation Equipment Co ltd
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Shenzhen Huacheng Automation Equipment Co ltd
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Application filed by Shenzhen Huacheng Automation Equipment Co ltd filed Critical Shenzhen Huacheng Automation Equipment Co ltd
Priority to CN202221681009.XU priority Critical patent/CN217701212U/en
Application granted granted Critical
Publication of CN217701212U publication Critical patent/CN217701212U/en
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Abstract

The utility model belongs to the technical field of installation tools, in particular to a rivet nut gun, which comprises a central shaft, a mobile driving mechanism, a rotary driving mechanism, a positioning sleeve and a clutch mechanism; the working end of the central shaft is provided with an external thread matched with the internal thread of the rivet nut, and the working end of the central shaft is connected with the rivet nut when in use; the movement driving mechanism is used for driving the central shaft to do linear motion; the rotary driving mechanism is used for driving the central shaft and the positioning sleeve to rotate; the positioning sleeve is used for abutting against the end part of the rivet nut so as to relatively fix the central shaft and the rivet nut, and therefore the central shaft can drive the rivet nut to be opposite to the connecting hole; the clutch mechanism is used for disconnecting or connecting the transmission between the rotary driving mechanism and the positioning sleeve. The utility model provides a scheme is through clutching mechanism's setting, can make the center pin alone or with the position sleeve co-rotation thereby realize rivet nut's material loading and location.

Description

Pull rivet nut gun
Technical Field
The utility model belongs to the technical field of the mounting tool, especially, relate to a rivet nut rifle.
Background
The rivet nut is widely used for assembling electromechanical and light industrial products such as automobiles, aviation, instruments, furniture, decoration and the like. The riveting tool is developed for overcoming the defects that a welding nut of a metal sheet and a thin pipe is easy to melt, an internal thread is easy to slip, and the like, does not need to tap the internal thread, does not need to weld the nut, is firm in riveting, and is high in efficiency and convenient to use.
The rivet nut needs to be installed by using a rivet nut gun, and the rivet nut gun is a special pneumatic or electric installation tool.
When the rivet nut is used, the nut needs to be opposite to the connecting hole, and the hexagon of the nut is used for preventing the rivet nut from rotating. When the existing rivet nut gun is used, the rivet nut is manually placed in the connecting hole, and the automatic alignment of the rivet nut and the connecting hole cannot be realized.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a rivet nut rifle aims at solving the current inconvenient problem of rivet nut material loading.
The embodiment of the utility model is realized in such a way that the rivet nut gun comprises a central shaft, a moving driving mechanism, a rotating driving mechanism, a positioning sleeve and a clutch mechanism;
the working end of the central shaft is provided with an external thread matched with the internal thread of the rivet nut, and the working end of the central shaft is connected with the rivet nut when in use;
the movement driving mechanism is used for driving the central shaft to do linear motion;
the rotary driving mechanism is used for driving the central shaft and the positioning sleeve to rotate;
the positioning sleeve is arranged at the working end of the central shaft and is coaxial with the central shaft, and the positioning sleeve is used for abutting against the end part of the blind rivet nut so as to relatively fix the central shaft and the blind rivet nut, so that the central shaft can drive the blind rivet nut to be opposite to the connecting hole;
the clutch mechanism is used for disconnecting or connecting the transmission between the rotary driving mechanism and the positioning sleeve.
Preferably, the central shaft comprises an actuating rod and a shaft body;
the execution rod is arranged at the working end of the shaft body, the execution rod and the shaft body can be detachably connected, and the working end of the execution rod is provided with an external thread;
one end of the shaft body, which is far away from the actuating rod, extends into the mobile driving mechanism, and a second gear which is meshed with the first gear of the rotary driving mechanism is also arranged on the shaft body.
Preferably, the positioning sleeve is rotatably connected with the rack through two bearings, an installation sleeve is arranged at one end of the positioning sleeve, which is close to the actuating rod, a cavity is formed inside the installation sleeve, and a connection structure of the actuating rod and the shaft body is arranged in the cavity;
the end, facing the execution rod, of the installation sleeve is provided with a propping piece, the propping piece is used for propping of a pulling rivet nut during loading, the propping piece is connected with the installation sleeve through threads, and a thread locking piece is arranged between the propping piece and the installation sleeve;
and a third gear is arranged at one end of the positioning sleeve far away from the actuating rod, and the clutch mechanism drives the positioning sleeve to rotate through the third gear.
Preferably, the clutch mechanism comprises a driving cylinder, a moving shaft, a transmission wheel and a one-way bearing;
the driving cylinder is arranged on the rack, a telescopic shaft of the driving cylinder is connected with the moving shaft, the moving shaft is connected with the rack in a sliding manner, a driving wheel is arranged on the moving shaft, and the driving wheel is rotatably connected with the moving shaft through a bearing;
the one-way bearing is arranged on the central shaft, a fourth gear in transmission connection with the one-way bearing is further arranged on the central shaft, and the driving cylinder drives the moving shaft to move so that the driving wheel on the moving shaft is connected with the third gear and the fourth gear.
Preferably, the clutch mechanism further comprises a fixed gear, the fixed gear is provided with sector teeth, and the fixed gear is fixedly connected with the rack;
after the driving cylinder drives the driving wheel to be disengaged from the fourth gear, the driving wheel is simultaneously engaged with the third gear and the fixed wheel.
Preferably, the moving driving mechanism comprises a first motor, a connecting sleeve, a threaded rod, a threaded sleeve and a moving sleeve;
a connecting sleeve is arranged on an output shaft of the first motor, the connecting sleeve is rotatably connected with the rack through a bearing, one end of the connecting sleeve, which is far away from the first motor, is fixedly connected with a threaded rod, and the threaded rod is in threaded fit with the threaded sleeve;
the threaded sleeve and the moving sleeve are relatively fixed, the moving sleeve is connected with the rack in a sliding manner, and the threaded rod drives the moving sleeve to move along the axis direction of the central shaft through the threaded sleeve when rotating; the non-working end of the central shaft is rotatably connected with the movable sleeve through a bearing.
Preferably, the blind rivet nut gun further comprises a bottom plate, the central shaft, the moving driving mechanism, the rotating driving mechanism, the positioning sleeve and the clutch mechanism are all arranged on a moving plate on the upper surface of the bottom plate, the moving plate is connected with the bottom plate in a sliding mode through a sliding rail, and a moving cylinder used for driving the moving plate to move is arranged on the bottom plate.
Preferably, the bottom plate is also provided with a feeding device, and the feeding device comprises a feeding pipe and a feeding device arranged at an outlet of the feeding pipe;
the feeding pipe is used for conveying the rivet nuts to the feeding device;
the feeding device is driven by a feeding cylinder to be over against the outlet of the feeding pipe or the operation end of the central shaft, and a positioning hole matched with the pull rivet nut in shape is formed in the feeding device.
Preferably, a feeding pipe driving cylinder is further arranged on the bottom plate and used for enabling an outlet of the feeding pipe to be close to or far away from the positioning hole in the feeding device.
Preferably, a CCD visual positioning device is further arranged on the bottom plate.
The utility model provides a rivet nut rifle compares with prior art has following beneficial effect:
1. the riveting nut can be loaded on the central shaft by driving the central shaft to rotate in the positive direction through the rotary driving mechanism;
2. by arranging the positioning sleeve, the end part of the blind rivet nut is abutted against the end surface of the positioning sleeve when the blind rivet nut is fed, so that the positioning is realized when the blind rivet nut is fed; the orientation of the blind rivet nut needs to be adjusted to be aligned with the connecting hole, the rotary driving mechanism drives the central shaft and the positioning sleeve to rotate reversely at the same time, and the orientation of the blind rivet nut can be adjusted to be aligned with the connecting hole on the premise that the blind rivet nut and the central shaft are kept fixed relatively;
3. the switching of two rotation states, namely independent rotation of the central shaft and common rotation of the central shaft and the positioning sleeve, can be realized by arranging the clutch mechanism.
Drawings
Fig. 1 is a three-dimensional structure diagram of a rivet nut gun according to an embodiment of the present invention;
fig. 2 is a cross-sectional structure view of a blind rivet nut gun according to an embodiment of the present invention;
fig. 3 is a structural diagram of a fixed gear provided by the embodiment of the present invention.
In the drawings: 1. a first motor; 2. a feeding device; 3. a feeding cylinder; 4. the feeding pipe drives the cylinder; 5. A CCD visual positioning device; 6. a base plate; 7. a feed pipe; 8. a moving cylinder; 9. an abutting piece; 10. a threaded locking member; 11. a limiting block; 12. fixing a gear; 13. a driving wheel; 14. a movable shaft; 15. a driving cylinder; 16. a second motor; 17. a threaded rod; 18. moving the sleeve; 19. a first gear; 20. a second gear; 21. a one-way bearing; 22. a fourth gear; 23. a third gear; 24. a shaft body; 25. a positioning sleeve; 26. Installing a sleeve; 27. an actuating lever; 28. riveting a nut; 29. and (7) positioning the holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The following detailed description is provided to illustrate specific embodiments of the present invention.
As shown in fig. 1, for the structural diagram of a riveter nut gun according to an embodiment of the present invention, the rivet nut gun comprises a central shaft, a moving driving mechanism, a rotating driving mechanism, a positioning sleeve 25 and a clutch mechanism;
the working end of the central shaft is provided with an external thread matched with the internal thread of the rivet nut 28, and the working end of the central shaft is connected with the rivet nut 28 when in use;
the movement driving mechanism is used for driving the central shaft to do linear motion;
the rotary driving mechanism is used for driving the central shaft and the positioning sleeve 25 to rotate;
the positioning sleeve 25 is arranged at the working end of the central shaft and is coaxial with the central shaft, and the positioning sleeve 25 is used for abutting against the end part of the blind rivet nut 28 so as to relatively fix the central shaft and the blind rivet nut 28, so that the central shaft can drive the blind rivet nut 28 to be opposite to the connecting hole;
the clutch mechanism is used for disconnecting or connecting the transmission between the rotary drive mechanism and the positioning sleeve 25.
In this embodiment, the working end of the central shaft is the end for picking and placing the blind rivet nut 28. The movement driving mechanism drives the center shaft to move along the axial direction of the center shaft, including but not limited to a riveting operation (pulling and deforming the rivet nut 28), and may also include moving the rivet nut 28 fixed to the end of the center shaft closer to or farther from the connecting hole, and the like.
In the present embodiment, the rotation driving mechanism includes a second motor 16 and a first gear 19 disposed on an output shaft of the second motor 16, and the second motor 16 is fixedly mounted on the frame.
In this embodiment, the positioning sleeve 25 is disposed at the working end of the central shaft and is disposed coaxially with the central shaft, the rivet nut 28 is screwed into the working end of the central shaft through a thread, one end surface of the rivet nut 28 abuts against the end of the positioning sleeve 25, so that the rivet nut 28 is relatively fixed with the central shaft and the positioning sleeve 25, and at this time, the positioning sleeve 25 is driven to rotate in the same direction as the central shaft, so that the orientation of the rivet nut 28 can be adjusted, and the rivet nut 28 is aligned with the connecting hole.
In the present embodiment, the rotation driving mechanism can be configured to drive the central shaft to rotate alone or simultaneously with the positioning sleeve 25 by providing the clutch mechanism.
As shown in fig. 2, optionally, the central shaft includes an actuating lever 27 and a shaft body 24;
the actuating rod 27 is arranged at the working end of the shaft body 24, the actuating rod 27 and the shaft body 24 can be detachably connected, and the working end of the actuating rod 27 is provided with an external thread;
the end of the shaft body 24 far away from the actuating lever 27 extends into the movement driving mechanism, and the shaft body 24 is further provided with a second gear 20 engaged with the first gear 19 of the rotation driving mechanism.
In this embodiment, the actuating lever 27 passes through the pressing plate with a hole in the center, the pressing plate is pressed to one end of the shaft body 24 by the fixing sleeve, the torque is transmitted between the actuating lever 27 and the shaft body 24 through the limiting block 11, one end of the limiting block 11 is located in the shaft body 24, the other end of the limiting block 11 is located in the actuating lever 27, and the cross section of the limiting block 11 is a non-circular section, and specifically, a square section, a cross section and the like can be adopted.
The actuating rod 27 can be removed from the shaft body 24 by rotating the fixing sleeve, so that the actuating rod 27 with different specifications can be replaced to adapt to the blind rivet nut 28 with different specifications.
As shown in fig. 2, optionally, the positioning sleeve 25 is rotatably connected with the frame through two bearings, one end of the positioning sleeve 25, which is close to the actuating rod 27, is provided with a mounting sleeve 26, a cavity is formed inside the mounting sleeve 26, and a connecting structure of the actuating rod 27 and the shaft body 24 is arranged in the cavity;
one end of the mounting sleeve 26 facing the actuating rod 27 is provided with a propping piece 9, the propping piece 9 is used for propping of a pulling rivet nut 28 during feeding, the propping piece 9 is connected with the mounting sleeve 26 through threads, and a threaded locking piece 10 is further arranged between the propping piece 9 and the mounting sleeve 26;
the end of the positioning sleeve 25 far away from the actuating rod 27 is provided with a third gear 23, and the clutch mechanism drives the positioning sleeve 25 to rotate through the third gear 23.
In this embodiment, a positioning sleeve 25 is sleeved outside the central shaft, and the positioning sleeve 25 may rotate with the central shaft relative to the frame or may be kept fixed while the central shaft rotates. Position sleeve 25 rotates through two bearings and frame to be connected, the position sleeve 25 is close to the installation cover 26 that the one end of actuating lever 27 set up, be connected fixedly between installation cover 26 and the position sleeve 25, installation cover 26 is provided with towards the one end of actuating lever 27 and supports retaining member 9, it is provided with the external screw thread to support retaining member 9, the female connection who sets up with installation cover 26, and simultaneously, still be provided with thread locking member 10 on supporting member 9's the external screw thread, through rotatory thread locking member 10, make thread locking member 10 butt at the terminal surface of installation cover 26, thereby make installation cover 26, support retaining member 9 and thread locking member 10 three relatively fixed, it is not hard up to prevent threaded connection.
In the present embodiment, the actuating rod 27 passes through the abutting member 9, the abutting member 9 is disposed coaxially with the actuating rod 27, and the actuating rod 27 can rotate in the abutting member 9.
In this embodiment, a third gear 23 is further disposed at an end of the positioning sleeve 25 away from the actuating rod 27, the third gear 23 and the positioning sleeve 25 are relatively fixed, and the clutch mechanism can drive the positioning sleeve 25 to rotate through transmission of the third gear 23.
As shown in fig. 2, the clutch mechanism optionally includes a driving cylinder 15, a moving shaft 14, a transmission wheel 13 and a one-way bearing 21;
the driving cylinder 15 is arranged on the rack, a telescopic shaft of the driving cylinder 15 is connected with the moving shaft 14, the moving shaft 14 is connected with the rack in a sliding manner, the moving shaft 14 is provided with a driving wheel 13, and the driving wheel 13 is rotationally connected with the moving shaft 14 through a bearing;
the one-way bearing 21 is arranged on the central shaft, the central shaft is also provided with a fourth gear 22 in transmission connection with the one-way bearing 21, and the driving cylinder 15 drives the moving shaft 14 to move, so that the transmission wheel 13 on the moving shaft 14 is connected with the third gear 23 and the fourth gear 22.
In the present embodiment, alternatively, the telescopic shaft of the driving cylinder 15 and the moving shaft 14 are both disposed in parallel with the central axis. The frame is provided with a slide hole, and both ends of the movable shaft 14 extend into the slide hole and can slide in the slide hole. The moving shaft 14 is provided with a driving wheel 13, the driving wheel 13 is rotatably connected with the moving shaft 14 through a bearing, the driving wheel 13 and the moving shaft 14 are relatively fixed in the axial direction, and the driving wheel 13 is a gear.
In the present embodiment, the central shaft is provided with a one-way bearing 21, when the central shaft rotates in the forward direction, torque cannot be transmitted between the central shaft and the one-way bearing 21, and when the central shaft rotates in the reverse direction, the central shaft drives the one-way bearing 21 to rotate. In the present embodiment, the one-way bearing 21 is fixedly connected to the fourth gear 22, and a bearing is provided between the fourth gear 22 and the third gear 23 for defining the position between the fourth gear 22 and the third gear 23, and the bearing can freely rotate relative to the central shaft and cannot transmit torque.
In this embodiment, the transmission wheel 13 can be simultaneously engaged with the third gear 23 and the fourth gear 22 by the driving of the driving cylinder 15, so that the torque when the central shaft rotates reversely is transmitted to the third gear 23 through the one-way bearing 21, the fourth gear 22 and the transmission wheel 13, thereby driving the positioning sleeve 25 to rotate together with the central shaft. In the present embodiment, the positioning sleeve 25 rotates in synchronization with the center axis 1.
As shown in fig. 2 and 3, optionally, the clutch mechanism further includes a fixed gear 12, the fixed gear 12 is in a sector shape, and the fixed gear is fixedly connected with the rack;
after the driving cylinder 15 drives the transmission wheel 13 to be disengaged from the fourth gear 22, the transmission wheel 13 is simultaneously engaged with the third gear 23 and the fixed wheel.
In this embodiment, it should be noted that the fixed gear 12 is configured in a sector, which means that the fixed gear 12 is configured with teeth in a sector rather than 360 degrees, alternatively, a sector area configured with teeth may be configured between 60 degrees and 180 degrees, and two fixing holes are further configured on the fixed gear 12 for fixing connection with the rack. Through the arrangement of the fixed gear 12, after the driving cylinder 15 drives the driving wheel 13 to be disengaged from the fourth gear 22, the driving wheel 13 moves to one side of the third gear 23 and is engaged with the third gear 23 and the fixed gear at the same time, and as the fixed gear is fixed and the driving wheel 13 is disengaged from the fourth gear 22, the third gear 23 can be locked and fixed, so that the positioning sleeve 25 is fixed and the abutting state of the rivet nut 28 is kept.
As shown in fig. 2, optionally, the moving driving mechanism includes a first motor 1, a connecting sleeve, a threaded rod 17, a threaded sleeve and a moving sleeve 18;
a connecting sleeve is arranged on an output shaft of the first motor 1, the connecting sleeve is rotationally connected with the rack through a bearing, one end of the connecting sleeve, which is far away from the first motor 1, is fixedly connected with a threaded rod 17, and the threaded rod 17 is in threaded fit with the threaded sleeve;
the threaded sleeve and the movable sleeve 18 are relatively fixed, the movable sleeve 18 is connected with the rack in a sliding manner, and the threaded rod 17 drives the movable sleeve 18 to move along the axis direction of the central shaft through the threaded sleeve when rotating; the non-working end of the central shaft is rotatably connected with the movable sleeve 18 through a bearing.
In the present embodiment, the movement driving mechanism is used to drive the axial movement of the central shaft, thereby effecting blind riveting to strain the blind rivet nut 28, thereby effecting the fixing of the blind rivet nut 28. In this embodiment, the linear movement of the central shaft is achieved by the rotation of the screw, which does not affect the rotation of the central shaft.
As shown in fig. 1, optionally, the rivet nut 28 gun further includes a bottom plate 6, the central shaft, the moving driving mechanism, the rotating driving mechanism, the positioning sleeve 25 and the clutch mechanism are all disposed on a moving plate on the upper surface of the bottom plate 6, the moving plate and the bottom plate 6 are slidably connected through a sliding rail, and a moving cylinder 8 for driving the moving plate to move is disposed on the bottom plate 6.
In this embodiment, by the arrangement of the moving plate and the moving cylinder 8, each component can be driven to move on the bottom plate 6 as a whole along the axis direction of the central shaft, so that after the blind rivet nut 28 is abutted and fixed to the positioning sleeve 25, the blind rivet nut 28 gun can drive the blind rivet nut 28 to be inserted into the connecting hole, the process is not realized by the moving driving mechanism, and the relative position of the central shaft and the positioning sleeve 25 can be kept unchanged.
As shown in fig. 1, optionally, a feeding device is further disposed on the bottom plate 6, and the feeding device includes a feeding pipe 7 and a feeding device 2 disposed at an outlet of the feeding pipe 7;
the feeding pipe 7 is used for conveying the blind rivet nuts 28 to the feeding device 2;
the feeding device 2 is driven by the feeding cylinder 3 to be opposite to the outlet of the feeding pipe 7 or the operation end of the central shaft, and a positioning hole 29 matched with the rivet nut 28 in shape is formed in the feeding device 2.
In this embodiment, the feeding pipe 7 and the central shaft are arranged side by side on the bottom plate 6, the feeding pipe 7 conveys the blind rivet nuts 28 to the feeding device 2, the pneumatic conveying can be used in this process, the blind rivet nuts 28 blown out by the pneumatic conveying enter the positioning holes 29 of the feeding device 2, and the blind rivet nuts 28 can be positioned on the feeding device 2 because the positioning holes 29 are configured to be suitable for the hexagonal shape of the blind rivet nuts 28. Then, under the driving of the feeding cylinder 3, the feeding device 2 outputs the rivet nut 28 to the working end of the central shaft so that the central shaft can take off the rivet nut 28 in the rivet positioning hole 29, and then the feeding cylinder 3 drives the feeding device 2 to return to the outlet end of the feeding pipe 7, thereby completing a feeding process. The feeding device 2 may be configured in a flat plate shape, or may be configured in different shapes as required, and is characterized in that at least one positioning hole 29 is provided for fixing the blind rivet nut 28.
As shown in fig. 1, optionally, a feeding pipe driving cylinder 4 is further disposed on the bottom plate 6, and the feeding pipe driving cylinder 4 is used for making the outlet of the feeding pipe 7 close to or far from the positioning hole 29 on the feeding device 2.
In this embodiment, the discharge end of the feeding tube 7 is fixed to a slide which is driven by the feeding tube driving cylinder 4 to move close to or away from the positioning hole 29 of the feeding device 2.
Optionally, a CCD vision positioning device 5 is further disposed on the bottom plate 6.
The utility model discloses a working process:
conveying the blind rivet nut 28 from the feeding pipe 7 to the feeding device 2 through air pressure, blowing the blind rivet nut 28 to a positioning hole 29 of the feeding device 2, and moving the feeding device 2 to the working end of the central shaft; the moving cylinder 8 drives the central shaft to approach the feeding device 2 together with the positioning sleeve 25, the central shaft rotates in the forward direction to enable the rivet nut 28 to be sleeved on the central shaft, the end part of the rivet nut 28 is abutted against the positioning sleeve 25 and is fed to a position, the moving cylinder 8 drives the central shaft to retreat together with the positioning sleeve 25, the feeding device 2 returns to an initial position, and a workpiece is placed at the working end of the central shaft; the moving cylinder 8 drives the central shaft and the positioning sleeve 25 to drive the rivet nut 28 to move towards the working connecting hole, the central shaft and the positioning sleeve 25 rotate in the opposite direction to adjust the angle of the rivet nut 28 relative to the connecting hole, the angle is consistent, and the moving cylinder 8 is pushed forwards to place the rivet nut 28 in the connecting hole; when the central shaft is placed in place, the central shaft is driven to retreat by the movable driving mechanism, the working end of the central shaft is connected with the blind rivet nut 28, the blind rivet nut 28 is pulled to deform after retreating, the blind rivet nut deforms in place, and the central shaft and the positioning sleeve 25 rotate together in the opposite direction to be separated from the blind rivet nut 28.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A rivet nut gun is characterized by comprising a central shaft, a moving driving mechanism, a rotating driving mechanism, a positioning sleeve and a clutch mechanism;
the working end of the central shaft is provided with an external thread matched with the internal thread of the rivet nut, and the working end of the central shaft is connected with the rivet nut when in use;
the movement driving mechanism is used for driving the central shaft to do linear motion;
the rotary driving mechanism is used for driving the central shaft and the positioning sleeve to rotate;
the positioning sleeve is arranged at the working end of the central shaft and is coaxial with the central shaft, and the positioning sleeve is used for abutting against the end part of the blind rivet nut so as to relatively fix the central shaft and the blind rivet nut, so that the central shaft can drive the blind rivet nut to be opposite to the connecting hole;
the clutch mechanism is used for disconnecting or connecting the transmission between the rotary driving mechanism and the positioning sleeve.
2. The riveter-nut gun of claim 1, wherein said central shaft comprises an implement rod and a shaft body;
the actuating rod is arranged at the working end of the shaft body, the actuating rod and the shaft body can be detachably connected, and the working end of the actuating rod is provided with an external thread;
one end of the shaft body, which is far away from the actuating rod, extends into the mobile driving mechanism, and a second gear which is meshed with the first gear of the rotary driving mechanism is also arranged on the shaft body.
3. The riveter nut gun of claim 2, wherein the locating sleeve is rotatably connected with the frame through two bearings, a mounting sleeve is arranged at one end of the locating sleeve close to the actuating rod, a cavity is formed in the mounting sleeve, and a connecting structure of the actuating rod and the shaft body is arranged in the cavity;
the end, facing the execution rod, of the installation sleeve is provided with a propping piece, the propping piece is used for propping of a pulling rivet nut during loading, the propping piece is connected with the installation sleeve through threads, and a thread locking piece is arranged between the propping piece and the installation sleeve;
and a third gear is arranged at one end of the positioning sleeve, which is far away from the actuating rod, and the clutch mechanism drives the positioning sleeve to rotate through the third gear.
4. A riveter nut gun as recited in claim 3, wherein said clutch mechanism comprises a drive cylinder, a moving shaft, a drive wheel, and a one-way bearing;
the driving cylinder is arranged on the rack, a telescopic shaft of the driving cylinder is connected with the movable shaft, the movable shaft is connected with the rack in a sliding manner, a driving wheel is arranged on the movable shaft, and the driving wheel is rotationally connected with the movable shaft through a bearing;
the one-way bearing is arranged on the central shaft, a fourth gear in transmission connection with the one-way bearing is further arranged on the central shaft, and the driving cylinder drives the moving shaft to move so that the driving wheel on the moving shaft is connected with the third gear and the fourth gear.
5. The riveter-nut gun of claim 4, wherein said clutch mechanism further comprises a fixed gear, said fixed gear being arranged in a sector, said fixed gear being fixedly connected to said frame;
after the driving cylinder drives the driving wheel to be disengaged from the fourth gear, the driving wheel is simultaneously engaged with the third gear and the fixed wheel.
6. A riveter nut gun as recited in claim 1, wherein said movement drive mechanism comprises a first motor, a connection sleeve, a threaded rod, a threaded sleeve, and a movement sleeve;
a connecting sleeve is arranged on an output shaft of the first motor, the connecting sleeve is rotatably connected with the rack through a bearing, one end of the connecting sleeve, which is far away from the first motor, is fixedly connected with a threaded rod, and the threaded rod is in threaded fit with the threaded sleeve;
the threaded sleeve and the moving sleeve are relatively fixed, the moving sleeve is connected with the rack in a sliding manner, and the threaded rod drives the moving sleeve to move along the axis direction of the central shaft through the threaded sleeve when rotating; the non-working end of the central shaft is rotatably connected with the movable sleeve through a bearing.
7. The riveter nut runner of claim 1, further comprising a bottom plate, wherein the central shaft, the moving driver, the rotary driver, the positioning sleeve and the clutch mechanism are disposed on a moving plate on an upper surface of the bottom plate, the moving plate and the bottom plate are slidably connected by a sliding rail, and a moving cylinder for driving the moving plate to move is disposed on the bottom plate.
8. The riveter nut gun according to claim 7, wherein the base plate is further provided with a feeding device, and the feeding device comprises a feeding pipe and a feeding device arranged at an outlet of the feeding pipe;
the feeding pipe is used for conveying the rivet nuts to the feeding device;
the feeding device is driven by a feeding cylinder to be over against the outlet of the feeding pipe or the operation end of the central shaft, and a positioning hole matched with the pull rivet nut in shape is formed in the feeding device.
9. The blind rivet nut gun according to claim 8, wherein a feed tube driving cylinder is further provided on the bottom plate, and the feed tube driving cylinder is used for moving an outlet of the feed tube closer to or away from the positioning hole of the feeding device.
10. The riveter-nut gun of claim 7, wherein a CCD visual positioning device is also provided on the base plate.
CN202221681009.XU 2022-06-30 2022-06-30 Pull rivet nut gun Active CN217701212U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221681009.XU CN217701212U (en) 2022-06-30 2022-06-30 Pull rivet nut gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221681009.XU CN217701212U (en) 2022-06-30 2022-06-30 Pull rivet nut gun

Publications (1)

Publication Number Publication Date
CN217701212U true CN217701212U (en) 2022-11-01

Family

ID=83777525

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221681009.XU Active CN217701212U (en) 2022-06-30 2022-06-30 Pull rivet nut gun

Country Status (1)

Country Link
CN (1) CN217701212U (en)

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