CN219093530U - Active spin riveting installation tool - Google Patents

Abstract

The utility model discloses an active spin riveting installation tool, which is used for spin riveting a plate with rivets installed on the inner side of the side wall of the plate, and comprises the following components: the manipulator unit is provided with a first connecting part; spin riveting tool, spin riveting tool include the instrument body with set up in the second connecting portion of instrument body one end, second connecting portion with first connecting portion are connected, the inside rotation portion that is provided with of instrument body, rotation portion is connected with the pivot, rotation portion can drive the pivot rotates around its axis direction, the pivot keep away from the one end of first connecting portion is connected with spin die, spin die can with the lateral wall is kept away from one side butt of rivet. The utility model adopts the mode that the manipulator drives the spin riveting tool, and can disperse the whole stress of the workpiece, thereby avoiding the occurrence of cracks of the plate in the riveting process, keeping the same height of the side wall after riveting, and improving the precision of the plate after riveting.

Description

Active spin riveting installation tool

Technical Field

The utility model relates to the field of spin riveting tools, in particular to an active spin riveting installation tool.

Background

Spin riveting belongs to a riveting process, and is characterized in that a punching machine device and a special connecting die are utilized to form a stress-free concentrated internal inlaid round dot with certain tensile strength and shear strength through an instant strong high-pressure processing process according to cold extrusion deformation of a plate material. In the existing spin riveting installation tool, the circumferences of workpieces such as rivets and the like are continuously rolled through the eccentric rotation process of the rivets, so that the workpieces are gradually pressed down on the circumferences of the workpieces, and the riveting effect is achieved. However, when the existing riveting installation tool is in actual use, the whole workpiece is always in a stressed state, so that cracks can appear on the workpiece in the riveting process, and the workpiece cannot be kept the same in height due to eccentric rotation to realize spin riveting, so that the precision of the workpiece after spin riveting is poor.

Disclosure of Invention

In order to overcome the deficiencies in the prior art, embodiments of the present utility model provide an active rivet setting tool that addresses one or more of the problems described above.

The embodiment of the application discloses: an active rivet setting tool for rivet setting a sheet material having rivets installed on the inner side of a side wall thereof, comprising: the manipulator unit is provided with a first connecting part; the rotary riveting tool comprises a tool body and a second connecting part arranged at one end of the tool body, wherein the second connecting part is connected with the first connecting part, a rotating part is arranged in the tool body and is connected with a rotating shaft, the rotating part can drive the rotating shaft to rotate around the axis direction of the rotating shaft, one end, far away from the first connecting part, of the rotating shaft is connected with a rotary riveting head, and the rotary riveting head can be abutted against one side, far away from the rivet, of the side wall of the rotary riveting head; when the spin riveting tool rotates around the fixed axis of the rivet along with the manipulator unit, the spin riveting head is abutted to one side, away from the rivet, of the side wall, the rotating part drives the rotating shaft to rotate, and in the process, the rotating direction of the rotating shaft is the same as the rotating direction of the spin riveting tool when the spin riveting tool rotates around the fixed axis of the rivet along with the manipulator unit.

Further, the rotating part comprises a motor stator and a motor rotor, the motor stator is arranged in the tool body and is close to the inner wall of the tool body, the motor rotor is arranged on one side, far away from the inner wall of the tool body, of the motor stator, the motor rotor penetrates through the rotating shaft, and the motor rotor is fixedly connected with the rotating shaft; when the spin riveting tool rotates around the rivet with the manipulator unit in a fixed shaft mode, the motor stator is electrified, so that the motor rotor drives the rotating shaft to rotate relative to the tool body, the spin riveting head abuts against one side, away from the rivet, of the side wall, and sliding friction force is generated between the spin riveting head and the side wall.

Further, a bearing is connected inside the tool body, and an inner ring of the bearing is connected with the rotating shaft.

Further, the number of the bearings is two, and the two bearings are arranged at intervals in the extending direction of the rotating shaft

Further, the tool body is internally provided with a containing space, the bearing is arranged in the containing space, the outer ring of the bearing is connected with the inner wall of the tool body, and the rotating shaft and the tool body extend along the same straight line direction.

Further, the tool body is provided with a flange portion adjacent to a side wall of the second connecting portion, and the flange portion extends outwardly with respect to the tool body in an extending direction perpendicular to the tool body.

Further, the manipulator unit is a four-axis manipulator, and the first connecting portion is arranged at the end portion of the manipulator unit.

Further, the rivet head has a first member that can abut against a side of the side wall away from the rivet and the first member is circular in cross-sectional shape in a direction perpendicular to an extending direction thereof.

Further, the rotary riveting head is further provided with a second component connected with the first component, the second component is arranged on the rotating shaft, the side part of the second component is provided with a biasing groove, the rotating shaft is provided with an avoidance threaded hole corresponding to the biasing groove, and the unloading bolt penetrates through the biasing groove and the avoidance threaded hole and is in threaded connection with the avoidance threaded hole.

Further, the first connecting portion is rigidly connected to the second connecting portion.

The beneficial effects of the utility model are as follows:

1. adopt the mode that manipulator drove soon and rivet the instrument for soon the rivet head can be around the rivet makes the in-process of dead axle revolution, soon the rivet head can with panel butt, because the different positions of panel upper side wall with it is different to revolve the contact position of rivet head soon in-process, can disperse the holistic atress of work piece to avoid panel to appear the crackle at the riveting in-process, and through above-mentioned structure, can make the atress of the different positions of lateral wall keep the same, thereby make the lateral wall highly can keep the same after the riveting, promoted the precision of panel after the riveting.

2. Through the cooperation of motor stator and motor rotor for actively drive soon the die rotates, thereby make soon the die rotatory more stable in the use.

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an active rivet setting tool according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an active rivet setting tool, according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a rivet head according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram showing the structural relationship between a plate and a rivet head in accordance with an embodiment of the present utility model;

reference numerals of the above drawings: 1. a sheet material; 11. a sidewall; 12. a rivet; 2. a spin riveting tool; 21. a tool body; 211. an accommodating space; 22. a second connecting portion; 23. a rotating part; 231. motor stator, 232, motor rotor; 233. a bearing; 24. a rotating shaft; 25. spin riveting head; 251. a first component; 252. a second component; 2521. an offset slot; 26. a flange portion; 27. and (5) a discharging bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, the present embodiment provides an active spin riveting installation tool for spin riveting a plate 1 with a rivet 12 installed on the inner side of a side wall 11 thereof, where the plate 1 may be disposed on a fixing base, so as to fix the plate 1, and further, the plate 1 may have a better stabilizing effect in the spin riveting process. The rivet setting tool includes:

a manipulator unit (not shown in the figures) provided with a first connection part which is movable in its radial and circumferential direction with respect to the side wall 11 so as to be able to drive a clinching tool 2 mounted to the first connection part in movement with respect to the sheet 1. The movement effect can be achieved through the existing modes such as path setting of the manipulator unit, and the structure of the manipulator can be adjusted according to actual needs.

The riveting tool 2 comprises a tool body 21 and a second connecting portion 22 arranged at one end of the tool body 21, wherein the second connecting portion 22 is connected with the first connecting portion, so that the riveting tool 2 can be installed on the manipulator unit, and the riveting tool 2 can move along with the first connecting portion. The inside rotation portion 23 that can be provided with of instrument body 21, rotation portion 23 is connected with pivot 24, rotation portion 23 can drive pivot 24 rotates around its axis direction, pivot 24 keeps away from the one end of first connecting portion is connected with soon riveting head 25, soon riveting head 25 can with lateral wall 11 is kept away from one side butt of rivet 12, thereby makes in soon riveting process, soon riveting head 25 can be right lateral wall 11 carries out outside-in extrusion deformation.

In this embodiment, the side wall 11 forms a closed circumference, inside which rivets 12 are arranged. In the process of spin riveting the plate 1, the end of the manipulator unit drives the spin riveting tool 2 to move, so that the spin riveting head 25 moves to the side wall 11 adjacent to the plate 1 and abuts against one side, away from the rivet 12, of the side wall 11 of the plate 1. The tool 2 is then moved inwardly with the manipulator unit in the radial direction of the side wall 11, so that the rivet head 25 moves part of the side wall 11 inwardly. Then, the riveting tool 2 rotates around the rivet 12 along with the manipulator unit, the rotating part 23 drives the rotating shaft 24 to rotate, and the rotating direction of the rotating shaft 24 is the same as the direction of the riveting tool 2 when rotating around the rivet 12 along with the manipulator unit, so as to realize the riveting effect of extruding and deforming the whole side wall 11 inwards. After the inventor's careful study, it is found that when the rotation direction of the rotation shaft 24 is opposite to the rotation direction of the spin riveting tool 2 along with the fixed axis rotation of the manipulator unit around the rivet 12, the spin riveting head 25 generates an obvious cutting effect on the side wall 11 of the plate 1, and thus the spin riveting effect cannot be achieved.

By means of the structure, the manipulator is adopted to drive the spin riveting tool 2, so that the spin riveting head 25 can be abutted with the plate 1 in the process of revolving around the rivet 12 to fix the shaft, and the stress of the whole workpiece can be dispersed due to the fact that different positions of the side wall 11 on the plate 1 are different from the contact positions of the spin riveting head 25 in the spin riveting process, so that cracks of the plate 1 in the riveting process are avoided, and the stress of different positions of the side wall 11 can be kept the same through the structure, so that the height of the side wall 11 after riveting can be kept the same, and the precision of the plate 1 after riveting is improved.

Specifically, the rotating portion 23 includes a motor stator 231 and a motor rotor 232, the motor stator 231 is disposed in the tool body 21 and is adjacent to the inner wall of the tool body 21, one side of the motor stator 231, which is far away from the inner wall of the tool body 21, is provided with the motor rotor 232, the motor rotor 232 is penetrated with the rotating shaft 24, and the motor rotor 232 is fixedly connected with the rotating shaft 24, so that after the windings of the motor stator 231 are electrified, the motor rotor 232 can rotate relative to the motor stator 231, thereby realizing the effect of rotating the rotating shaft 24 relative to the tool body 21.

In this embodiment, when the riveting tool 2 rotates around the rivet 12 along with the manipulator unit in a fixed axis, the motor stator 231 is energized, more specifically, the windings of the motor stator 231 are energized, so that an alternating magnetic field is generated, and the permanent magnets on the motor rotor 232 cut magnetic lines of force under the action of the alternating magnetic field, thereby generating a rotational torque. So that the motor rotor 232 drives the rotating shaft 24 to rotate relative to the tool body 21, the rivet head 25 abuts against one side of the side wall 11 away from the rivet 12, and sliding friction force is generated between the rivet head 25 and the side wall 11.

By means of the structure, through the cooperation of the motor stator 231 and the motor rotor 232, the rotary rivet 25 is driven to rotate actively, and therefore the rotary rivet 25 rotates stably in the use process.

Specifically, the tool body 21 is internally connected with a bearing 233, and an inner ring of the bearing 233 is connected with the rotating shaft 24. Therefore, the rotation shaft 24 can rotate relative to the tool body 21, and the tool body 21 can receive smaller friction force in the process of rotating the rotation shaft 24 relative to the tool body 21 due to the bearing 233, so that the structural stability of the whole workpiece is improved.

Specifically, the number of the bearings 233 is two, and the two bearings 233 are disposed at intervals in the extending direction of the rotating shaft 24. Therefore, different positions of the rotating shaft 24 can be fixed with the tool body 21 through the plurality of bearings 233, so that a better fixing effect is achieved on the rotating shaft 24, and the rotating shaft 24 can have better stability in the spin riveting process.

Specifically, the tool body 21 may have an accommodating space 211 inside, where the accommodating space 211 is used to accommodate the rotating shaft 24 and the bearing 233, so as to protect the rotating shaft 24 and the bearing 233. The bearing 233 may be disposed in the accommodating space 211 and the outer ring of the bearing 233 is connected with the inner wall of the tool body 21, in this embodiment, the outer ring of the bearing 233 is clamped with the inner wall of the tool body 21, so that the outer ring of the bearing 233 and the tool body 21 are relatively stationary, and of course, in other alternative embodiments, the connection manner between the outer ring of the bearing 233 and the tool body 21 may be adjusted according to actual needs. The rotation shaft 24 and the tool body 21 may extend in the same straight line direction, so that the whole riveting tool 2 may be more compact.

Specifically, the tool body 21 is provided with a flange portion 26 adjacent to the side wall 11 of the second connecting portion 22, and the flange portion 26 may extend outwardly with respect to the tool body 21 in a direction perpendicular to the extending direction of the tool body 21. The flange portion 26 may abut against a portion of the manipulator unit adjacent to the tool body 21, so that when the rivet head 25 is driven by the side wall 11 to move away from the side wall 11 in the extending direction of the tool body 21 in the riveting process, the pressure between the flange portion 26 and the manipulator unit is correspondingly increased, so that a larger contact area between the manipulator unit and the flange portion 26 is provided, and further the riveting tool 2 may have a better limiting effect.

Specifically, the manipulator unit is a four-axis manipulator, and the first connecting part is arranged at the end part of the manipulator unit. Therefore, after the first connecting portion is connected with the second connecting portion 22, the spin riveting tool 2 may be located at the end of the manipulator unit, so that the spin riveting tool 2 may have a better mobility.

Specifically, the rivet head 25 has a first member 251 that can abut against a side of the side wall 11 remote from the rivet 12, and the first member 251 has a circular cross-sectional shape perpendicular to the extending direction thereof. Therefore, in the process of spin riveting, the first component 251 can rotate along the circumferential direction of the circumference of the first component 251, so that the first component 251 can be more stable in the process of relative movement between the side walls 11, and the spin riveting effect is improved.

Specifically, the rivet head 25 further includes a second member 252 connected to the first member 251, the second member 252 is disposed on the rotating shaft 24, an offset groove 2521 is formed on a side portion of the second member 252, an avoidance threaded hole corresponding to the offset groove 2521 is formed in the rotating shaft 24, and the discharge bolt 27 passes through the offset groove 2521 and the avoidance threaded hole and is in threaded connection with the avoidance threaded hole. So that the rivet head 25 can be detachably mounted on the rotating shaft 24 through the unloading bolt 27, and the rivet head 25 is easier to replace and more stable in the use process.

Specifically, the first connecting portion is rigidly connected to the second connecting portion 22. Because the riveting head 25 and the side wall 11 have larger acting force in the riveting process, the manipulator unit and the riveting tool 2 have better connecting effect by adopting rigid connection, so that the stability of the whole tool in riveting is improved.

The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.

Claims (10)

1. An active rivet setting tool for rivet setting a sheet material having rivets installed on the inner side of the side wall thereof, comprising:

the manipulator unit is provided with a first connecting part;

the rotary riveting tool comprises a tool body and a second connecting part arranged at one end of the tool body, wherein the second connecting part is connected with the first connecting part, a rotating part is arranged in the tool body and is connected with a rotating shaft, the rotating part can drive the rotating shaft to rotate around the axis direction of the rotating shaft, one end, far away from the first connecting part, of the rotating shaft is connected with a rotary riveting head, and the rotary riveting head can be abutted against one side, far away from the rivet, of the side wall of the rotary riveting head;

when the spin riveting tool rotates around the fixed axis of the rivet along with the manipulator unit, the spin riveting head is abutted to one side, away from the rivet, of the side wall, the rotating part drives the rotating shaft to rotate, and in the process, the rotating direction of the rotating shaft is the same as the rotating direction of the spin riveting tool when the spin riveting tool rotates around the fixed axis of the rivet along with the manipulator unit.

2. The active rivet setting tool according to claim 1, wherein the rotating part comprises a motor stator and a motor rotor, the motor stator is arranged inside the tool body and is close to the inner wall of the tool body, the motor rotor is arranged on one side of the motor stator away from the inner wall of the tool body, the motor rotor is provided with the rotating shaft in a penetrating way, and the motor rotor is fixedly connected with the rotating shaft;

when the spin riveting tool rotates around the rivet with the manipulator unit in a fixed shaft mode, the motor stator is electrified, so that the motor rotor drives the rotating shaft to rotate relative to the tool body, the spin riveting head abuts against one side, away from the rivet, of the side wall, and sliding friction force is generated between the spin riveting head and the side wall.

3. The active rivet setting tool of claim 1, wherein a bearing is connected inside the tool body, an inner ring of the bearing being connected to the spindle.

4. The active rivet setting tool of claim 3, wherein the number of bearings is two, the two bearings being spaced apart in the direction of extension of the shaft.

5. The active rivet setting tool of claim 3, wherein the tool body has a receiving space therein, the bearing is disposed in the receiving space and an outer ring of the bearing is connected to an inner wall of the tool body, and the rotation shaft and the tool body extend in the same linear direction.

6. The active rivet setting tool of claim 5, wherein the tool body is provided with a flange portion adjacent a side wall of the second connection portion, the flange portion extending outwardly relative to the tool body in a direction perpendicular to an extension of the tool body.

7. The active rivet setting tool of claim 1, wherein the manipulator unit is a four-axis manipulator, and the first connection portion is disposed at an end of the manipulator unit.

8. The active rivet setting tool of claim 1, wherein the rivet head has a first member that can abut a side of the sidewall remote from the rivet and the first member is circular in cross-sectional shape perpendicular to its extension.

9. The active rivet setting tool of claim 8, wherein the rivet head further comprises a second component connected to the first component, the second component is disposed on the rotating shaft, a biasing groove is formed in a side portion of the second component, an avoidance threaded hole corresponding to the biasing groove is formed in the rotating shaft, and a discharge bolt penetrates through the biasing groove and the avoidance threaded hole and is in threaded connection with the avoidance threaded hole.

10. The active rivet setting tool of claim 1, wherein the first connection portion is rigidly connected to the second connection portion.

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