CN115921753B - Spin riveting pressure head mechanism and contact spin riveting device - Google Patents
Spin riveting pressure head mechanism and contact spin riveting device Download PDFInfo
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- CN115921753B CN115921753B CN202211560827.9A CN202211560827A CN115921753B CN 115921753 B CN115921753 B CN 115921753B CN 202211560827 A CN202211560827 A CN 202211560827A CN 115921753 B CN115921753 B CN 115921753B
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Abstract
The invention discloses a spin riveting pressure head mechanism, which has the technical scheme that: the riveting device comprises a sleeve and a spin riveting head assembly in the sleeve, wherein the spin riveting head assembly comprises a riveting head, and the riveting head extends out of an opening at the lower end of the sleeve; the upper end of the spin riveting head assembly is rotationally connected in the sleeve through the supporting shaft, inclined swing can be realized, and the lower end of the riveting head is always positioned above the riveting seat in the swing adjustment process of the spin riveting assembly. The riveting angle of the riveting head can be adjusted, and the riveting head can be always opposite to the position of the riveting piece after adjustment, so that normal and stable riveting of the riveting equipment is ensured.
Description
Technical Field
The invention relates to the technical field of riveting equipment, in particular to a spin riveting head mechanism and a contact spin riveting device with the spin riveting head mechanism.
Background
The riveting machine can rivet articles by using the riveting piece, and the equipment has compact structure, stable performance and convenient and safe operation. The riveting machine mainly completes assembly by rotation and pressure, for example, in electronic switches such as a temperature controller switch, contacts in the electronic switches are often made of silver or copper materials, riveting equipment is often required to be used for riveting, and spin riveting equipment is also generally used for processing.
In the riveting processing process of a rotary riveting machine, the riveting angle is often required to be adjusted according to different riveting requirements, namely, the riveting heads with different angles are selected; different riveting forces can be formed between the upper surfaces of the riveting pieces through different inclined states of the lower end surfaces of the riveting pieces, the riveting pieces can be selected according to different riveting requirements, and further different transverse inclined component forces can be generated in the riveting process, so that different states are formed on the upper end surfaces of the riveting pieces.
In the prior art, if the riveting angle of the riveting equipment is required to be adjusted, the riveting heads with different inclination angles are usually required to be replaced, and adjustment is realized through the pre-equipped riveting heads, but the mode has larger limitation in adjustment, and the riveting equipment can only be prepared according to certain specific angles and cannot be freely adjusted. Therefore, some related technicians begin to study the technology of adjusting the riveting head, and directly adjust the angle of the riveting head, generally adopting a rotating shaft adjusting mode, that is, arranging a rotating shaft at the upper end of the riveting head to form a rotating connection structure, and then rotating and adjusting, that is, forming a corresponding deflection adjustment on the lower end face of the riveting head, so as to form a corresponding riveting angle, as shown in fig. 9.
According to the adjusting mode, although the angle of the riveting head can be adjusted, in the rotating adjusting process of the riveting head, the lower end face of the riveting head moves for a certain distance in the horizontal direction to form the offset a, so that the lower end face of the riveting head cannot face the original riveting position, and the equipment cannot normally rivet. The position of the workpiece needs to be adjusted again in a adaptability manner, and the common riveting equipment can be adjusted simply, so that when the automatic conveying equipment is involved, equipment such as a track for conveying materials needs to be adjusted, and the angle adjustment operation of the riveting equipment is not facilitated.
There is therefore a need to propose a new solution to this problem.
Disclosure of Invention
The invention aims to solve the problems and provide a spin riveting head mechanism which can realize the adjustment of the riveting angle of a riveting head, ensure that the riveting head can be always opposite to the position of a riveting piece after adjustment and ensure normal and stable riveting of riveting equipment.
The technical aim of the invention is realized by the following technical scheme: the spin riveting head mechanism comprises a sleeve and a spin riveting assembly in the sleeve, wherein the spin riveting assembly comprises a riveting head, and the riveting head extends out of an opening at the lower end of the sleeve; the upper end of the spin riveting assembly is rotationally connected in the sleeve through the support shaft, and can realize inclined swing, and the lower end of the riveting head is always positioned above the riveting seat in the swing adjustment process of the spin riveting assembly.
The invention is further arranged that the spin riveting assembly further comprises a first connecting rod and a second connecting rod, the middle of the first connecting rod and the middle of the second connecting rod are rotationally connected through a rotating shaft, the upper end of the first connecting rod is rotationally connected through a supporting shaft, and a riveting head is arranged at the lower end of the second connecting rod; the distance between the axis of the rotating shaft and the axis of the supporting shaft is consistent with the distance between the axis of the rotating shaft and the middle position of the lower end of the riveting head.
The invention is further arranged that the lower end of the first connecting rod is rotationally connected with a first linkage block through a first linkage shaft, the upper end of the second connecting rod is rotationally connected with a second linkage block through a second linkage shaft, and the distance between the rotating shaft and the first linkage shaft and the distance between the rotating shaft and the second linkage shaft are consistent; the first linkage block and the second linkage block are connected through a linkage seat, and the linkage seat can be transversely adjusted and keeps the first linkage shaft and the second linkage shaft at the up-down opposite positions.
The invention is further arranged that the lower end of the linkage seat is provided with a first linkage groove, and the first linkage block is connected in the first linkage groove in a sliding way and can realize up-and-down sliding adjustment; the upper end of the linkage seat is provided with a second linkage groove, and the second linkage block is connected in the second linkage groove in a sliding way and can realize up-and-down sliding adjustment; the linkage seat can drive the first connecting rod and the second connecting rod to rotate and swing through transverse adjustment.
The invention is further arranged that the corresponding positions of the first connecting rod and the second connecting rod are provided with arc-shaped grooves which are arc-shaped and are respectively coaxially arranged with the first linkage shaft and the second linkage shaft, the widths of the arc-shaped grooves are mutually adapted to the outer diameters of the first linkage shaft and the second linkage shaft, and the arc-shaped grooves are used for guiding the swing sliding of the first linkage shaft and the second linkage shaft and limiting the swing amplitude.
The invention is further arranged that the linkage seat is elastically supported by the limiting springs in two directions corresponding to the transverse movement, and the two ends of the limiting springs are respectively propped between the linkage seat and the inner wall of the sleeve.
The invention is further arranged that screw holes I are respectively formed in the two sides of the sleeve in the direction corresponding to the transverse movement of the linkage seat, the screw holes I are in threaded connection with screw rods I, one end of each screw rod I extends out of the sleeve, the other end of each screw rod I abuts against the outer side of the linkage seat, and the linkage seat is fixed through abutting compaction of the screw rods I on the two sides.
The invention is further arranged that one end of the screw rod which extends into the sleeve is fixedly connected with the abutting block, one side of the abutting block facing the linkage seat is an abutting plane, the outside of the linkage seat is also provided with an adaptive abutting plane, and the two abutting planes abut against to realize the positioning of the linkage seat.
The invention is further arranged that two sides, corresponding to the linkage seat, in the sleeve are supported by the pressing blocks, and the pressing blocks are connected with the inner wall of the sleeve in an up-and-down sliding way through the sliding grooves; the pressing block is wedge-shaped with a big upper part and a small lower part, and is provided with a first inclined plane inclined towards the direction of the linkage seat; the upper parts of the two sides of the linkage seat are provided with a second inclined plane which is in pressing fit with the first inclined plane; the first inclined plane and the second inclined plane are mutually abutted and laminated, and the abutting blocks can be adjusted up and down so as to realize the transverse adjustment of the linkage seat.
The invention is further arranged that a second screw hole is formed at the upper end of the pressing block, a second screw rod is connected with the second screw hole in a threaded manner, and the upper end of the second screw rod penetrates through the extending sleeve and is in sliding connection with the sleeve; a supporting spring is elastically connected between the pressing block and the upper wall of the sleeve; the upper part of the sleeve is provided with a lifting disc capable of being lifted and adjusted, and the lower part of the lifting disc is rotationally connected with the upper end of the screw rod II through a rotating seat; the upper part of the lifting disc is rotatably supported with a lifting block through a rotary guide sliding piece, and the lifting block is driven to lift through a lifting rod.
The invention also provides a spin riveting device which comprises a riveting seat, a lifting seat, a rotary driver, a lifting driver and the spin riveting head mechanism, wherein the lifting seat is arranged above the riveting seat through the lifting driver, the rotary driver is arranged on the lifting seat, the rotary driver is provided with a spin riveting shaft which is arranged downwards, and the spin riveting head mechanism is arranged at the lower end of the spin riveting shaft.
The spin riveting device further comprises a lifting rod, the lifting rod is arranged on the lifting seat, the lower end of the lifting rod can be adjusted in a lifting mode, and the lifting seat is arranged at the lower end of the lifting rod and can be adjusted up and down through the lifting rod.
In summary, the invention has the following beneficial effects:
by adopting the adjustable spin riveting head structure, the riveting angle of the riveting head can be adjusted, in the adjusting process, the riveting head is ensured to be always opposite to the position of the riveting piece after adjustment in the deflection adjusting process of the riveting head through mutual linkage cooperation of the linkage assembly and the connecting rod, and normal and stable riveting of the riveting equipment is ensured.
Drawings
FIG. 1 is a schematic diagram of a spin riveting ram mechanism according to the present invention;
FIG. 2 is a perspective view of a rivet assembly of the present invention;
FIG. 3 is a cross-sectional view of the rivet assembly of the present invention;
FIG. 4 is a schematic diagram of a second embodiment of a spin riveting head mechanism according to the present invention;
FIG. 5 is a schematic view of a first connecting rod according to the present invention;
FIG. 6 is a schematic view of another construction of a spin riveting ram mechanism according to the present invention;
FIG. 7 is a schematic view of a spin riveting apparatus according to the present invention;
FIG. 8 is a schematic diagram of a rivet assembly according to the present invention;
fig. 9 is a schematic structural view of a prior art direct rotation adjustment riveting head.
Reference numerals: 1. a sleeve; 2. a support base; 3. a spin riveting assembly; 4. a riveting head; 5. an opening; 6. a first connecting rod; 7. a support shaft; 8. a second connecting rod; 9. a rotating shaft; 10. a linkage seat; 11. a linkage shaft; 12. a linkage block; 13. a linkage groove; 14. a limiting block; 15. a limit groove; 16. a limit spring; 17. a screw hole I; 18. a first screw; 19. abutting blocks; 20. pressing the plane; 21. a through groove; 22. a first nut; 23. a second nut; 24. an arc-shaped groove; 25. spin riveting the shaft; 26. pressing blocks; 27. a chute; 28. a screw hole II; 29. a second screw; 30. an inclined plane I; 31. a second inclined plane; 32. a support spring; 33. a lifting disc; 34. a rotating seat; 35. a lifting block; 36. rotating the slide guide; 37. a lifting seat; 38. riveting and pressing a seat; 39. lifting rod.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment discloses a spin riveting head mechanism, as shown in fig. 1-3, including sleeve 1 and spin riveting subassembly, regard sleeve 1 as the support, this spin riveting subassembly is installed in sleeve 1's inside, and spin riveting subassembly includes riveting head 4, and riveting head 4 can follow the opening 5 of sleeve 1 lower extreme and stretch out. The upper end of the sleeve 1 can be connected with a spin riveting shaft 25, the spin riveting shaft 25 rotates and can drive a spin riveting head mechanism to rotate, and spin riveting processing can be performed through a spin riveting head.
The upper end of the spin riveting assembly is rotatably connected in the sleeve 1 through the supporting shaft 7 and can realize tilting swing; in the swing adjustment process of the spin riveting assembly 3, the lower end of the riveting head 4 can be obliquely adjusted, and then the riveting angle of the riveting head 4 can be adjusted. The linkage assembly is arranged in the spin riveting assembly, so that the adjustment of the riveting head 4 in the horizontal direction can be realized, the lower end of the riveting head 4 is further positioned above the riveting seat 38 all the time, and the central position of the lower end of the riveting head 4 can be kept inconvenient in the horizontal direction.
The rotary riveting assembly further comprises a first connecting rod 6 and a second connecting rod 8, wherein the middle of the first connecting rod 6 and the middle of the second connecting rod 8 are rotationally connected through a rotating shaft 9 to form an X-shaped structure, specifically, the installation position of the rotating shaft 9 is in the lower half section of the first connecting rod 6, and the lengths of the upper section and the lower section are about 2:1, the installation position of the rotating shaft 9 is at the upper half end of the connecting rod II 8, and the length of the upper section and the lower section is about 1:2, as shown in fig. 2 and 3. The upper end of the first connecting rod 6 is rotationally connected through a supporting shaft 7, a riveting head 4 is formed at the lower end of the second connecting rod 8, and the distance between the axis of the rotating shaft 9 and the axis of the supporting shaft 7 is kept consistent with the distance between the axis of the rotating shaft 9 and the middle position of the lower end of the riveting head 4. The lower end of the first connecting rod 6 is rotatably connected with a first linkage block 12 through a first linkage shaft 11, the upper end of the second connecting rod 8 is rotatably connected with a second linkage block 12 through a second linkage shaft 11, and the distance between the rotating shaft 9 and the first linkage shaft 11 and the distance between the rotating shaft 9 and the second linkage shaft 11 are consistent. The first linkage block 12 and the second linkage block 12 are connected through a linkage assembly, the linkage assembly comprises the linkage block 12, and the linkage seat 10 can be transversely adjusted and keeps the first linkage shaft 11 and the second linkage shaft 11 in vertical opposite positions. In the process of transversely adjusting the linkage seat 10, synchronous transverse adjustment of the first linkage shaft 11 and the second linkage shaft 11 can be realized, and then the two linkage shafts 11 can be driven to move, so that the two linkage shafts 11 are kept at opposite upper and lower positions, namely, the central position of the lower end of the riveting head 4 at the lower end of the connecting rod II 8 and the supporting shaft 7 are kept at opposite upper and lower positions. Furthermore, during the adjustment process, the riveting head 4 can be always positioned right above the riveting seat 38, so that the situation that the riveting head 4 is deviated is avoided. The specific adjustment principle of the spin-rivet assembly is shown in fig. 8.
In order to achieve smooth adjustment between the linkage seat 10 and the linkage block 12, a mutual sliding connection structure may be formed between the linkage seat 10 and the linkage block 12. As shown in fig. 3, a first linkage groove 13 is formed at the lower end of the linkage seat 10, and a first linkage block 12 is slidably connected in the first linkage groove 13 and can realize up-and-down sliding adjustment; the upper end of the linkage seat 10 is provided with a second linkage groove 13, and the second linkage groove 13 is connected in the second linkage groove 13 in a sliding way and can realize up-and-down sliding adjustment. The linkage seat 10 can drive the first connecting rod 6 and the second connecting rod 8 to rotate and swing through transverse adjustment, and in the transverse adjustment process of the linkage seat 10, the linkage block 12 is adaptively and slidingly adjusted in the linkage groove 13, so that swing adjustment between the linkage seat 10 and the first connecting rod 6 and the second connecting rod 8 can be kept. In the process that the lower end of the first connecting rod 6 swings towards one side, the lower end of the second connecting rod 8 swings towards the other side, in the process that the two sides swing towards the two sides, position compensation in the transverse direction is achieved, and further the fact that the central position of the lower end of the riveting head 4 is always located at one position can be achieved, the riveting head 4 only achieves adjustment of an inclination angle, deflection of the transverse position is not generated, the riveting head 4 can be always located right above the riveting seat 38, and the riveting head 4 is guaranteed to be located right above the riveting piece in the inclination adjustment process.
As shown in fig. 5, in order to maintain the stability of the rotation and swing between the first link 6 and the second link 8, an arc-shaped slot 24 may be formed in the middle position of the first link 6, the arc-shaped slot 24 has an arc-shaped structure, the axis of the arc-shaped slot 24 is coaxially arranged with the rotating shaft 9, and the end of the second linkage shaft 11 may extend into the arc-shaped slot 24, so that the two can slide and limit each other, thereby further maintaining the rotation of the first link 6 and the second link 8. In addition, the middle position of the second connecting rod 8 can be provided with an arc-shaped groove 24, the arc-shaped groove 24 is of an arc-shaped structure, the axis of the arc-shaped groove 24 is also coaxially arranged with the rotating shaft 9, and the end part of the first linkage shaft 11 can extend into the arc-shaped groove 24 to realize the mutual sliding limit of the two. The swinging motion of the first connecting rod 6 and the second connecting rod 8 can be further guided and stabilized by the linkage of the two groups of arc-shaped grooves 24 and the end parts of the two linkage shafts 11.
The width of the corresponding arc-shaped groove 24 is mutually adapted to the outer diameter of the linkage shaft 11, so that the end part of the linkage shaft 11 can be embedded into the arc-shaped groove 24, the cooperation guide sliding can be realized, and the arc-shaped groove 24 in an arc-shaped state can also limit the swing amplitude of the linkage shaft 11, thereby keeping the action stability of the linkage structure.
In order to maintain the rivet head 4 at the lower end of the first connecting rod 6 and the second connecting rod 8 in an up-down vertical position, it is necessary to maintain the linkage seat 10 in a vertical state during the lateral movement, so as to form a lateral scissor-arm structure.
As shown in fig. 1, in the two directions of the linkage seat 10 corresponding to the lateral movement, namely, the left side and the right side positions, the two ends of the limiting spring 16 are respectively pressed between the linkage seat 10 and the inner wall of the sleeve 1 by the elastic support of the limiting spring 16, and the linkage seat 10 can be elastically maintained by the spring, so that the linkage seat 10 can be basically kept in a relatively stable state. Screw holes I17 are respectively formed at the left and right side positions of the sleeve 1, namely, at the two sides in the direction corresponding to the transverse movement of the linkage seat 10, screw rods I18 are connected at the screw holes I17 in a threaded manner, the linkage seat 10 can be positioned through the two screw rods I18 respectively, and the transverse position of the linkage seat 10 can be adjusted by adjusting the position of the screw rods I18.
Specifically, one end of the first screw 18 extends out of the sleeve 1, so that the rotation adjustment is facilitated; the other end of the first screw 18 is propped against the outer side of the linkage seat 10. In order to maintain the pressing stability between the first screw 18 and the linkage block 12, a pressing block 19 may be fixedly connected to one end of the first screw 18 extending into the sleeve 1, one side of the pressing block 19 facing the linkage seat 10 is a pressing flat surface 20, the outside of the linkage block 12 also forms an adaptive pressing flat surface 20, and the two pressing flat surfaces 20 are pressed against each other to increase the pressing area between the first screw 18 and the linkage seat 10, thereby improving the stability of the linkage seat 10 in a locked state, and maintaining the stability of the linkage seat 10 and the whole spin riveting assembly.
As shown in fig. 4, in order to further limit and stabilize the linkage structure, the other two side walls of the sleeve 1 may be provided with through grooves 21, the through grooves 21 are in an arc-shaped trend, and use the support shaft 7 as an axle center, and two end positions of the rotating shaft 9 respectively penetrate through the support shaft 7, so that two ends of the support shaft 7 can penetrate through the sleeve 1. The outer diameter of the rotating shaft 9 and the width of the through groove 21 are mutually matched, so that the rotating shaft 9 can deflect in the through groove 21. A first nut 22 and a second nut 23 are respectively connected to both ends of the rotating shaft 9. When the components such as the first connecting rod 6 and the like need to be adjusted, the nut can be detached. After the adjustment is completed, the position of the lower end face of the riveting head 4 is determined, two nuts can be screwed down, and then the rotating shaft 9 is fixed with the outer wall of the sleeve 1, so that the linkage seat 10 and each component can be further stably limited, and the stability in the riveting process is ensured.
A limiting block 14 can be arranged between the inside of the linkage seat 10 and the rotating shaft 9 to further guide the movement of the linkage seat 10, a transversely-oriented limiting groove 15 is formed in the middle of the linkage seat 10, a limiting block 14 is sleeved on the periphery of the rotating shaft 9, and transverse sliding guide can be generated between the limiting block 14 and the limiting groove 15, so that the position stability between the linkage seat 10 and the first connecting rod 6 and the position stability between the linkage seat and the second connecting rod 8 are ensured.
On the basis of the above embodiment, the adjusting structure of the rivet assembly can be further optimized, as shown in fig. 6, two sides corresponding to the linkage seat 10 in the sleeve 1 are supported by the pressing blocks 26, and the pressing blocks 26 are located at the obliquely upper position of the linkage seat 10. The two side walls of the sleeve 1 are provided with the sliding grooves 27, and the pressing block 26 is connected with the inner wall of the sleeve 1 in a vertical sliding way through the sliding grooves 27, so that the stable adjustment action of the pressing block 26 can be maintained. The pressing block 26 is wedge-shaped with large top and small bottom, one side facing the inside of the sleeve 1 is a plane, and one side inclined towards the direction of the linkage seat 10 is an inclined plane I30. And a second inclined plane 31 is formed at the upper positions of the two sides of the linkage seat 10, and the first inclined plane 30 and the second inclined plane 31 are mutually matched, are mutually abutted in parallel and are mutually attached.
By adjusting the height of the two pressing blocks 26, the two inclined planes are mutually pressed and matched, so that the transverse direction of the linkage block 12 can be realized, and the position of the lower end face of the pressing head at the lower end of the spin riveting assembly can be adjusted without basically generating offset. In addition, the first inclined surface 30 and the second inclined surface 31 are kept in mutual abutting fit in the adjusting process, and the vertical state of the linkage block 12 can be maintained.
A second screw hole 28 is formed in the upper end of the pressing block 26, a second screw rod 29 is connected to the second screw hole 28 in a threaded manner, the second screw rod 29 is vertically arranged upwards, the upper end of the second screw rod 29 extends out of the sleeve 1 in an upward penetrating manner and is connected with the sleeve 1 in a sliding manner, threads are not formed in the penetrating position of the second screw rod 29, and smooth sliding between the second screw rod 29 and the sleeve 1 can be further maintained. A supporting spring 32 is elastically connected between the pressing block 26 and the upper wall of the sleeve 1, and downward pressure can be formed on the pressing block 26 by the supporting spring 32, so that a mutually stable pressing state between the pressing block 26 and the linkage seat 10 is ensured.
The lifting disc 33 is installed at the end position of the sleeve 1, the lifting disc 33 is of an annular structure, the middle part of the lifting disc 33 can be penetrated by the rotary riveting shaft 25, the rotating seat 34 is installed at the position, corresponding to the second screw 29, of the lower part of the lifting disc 33, the upper end of the second screw 29 extends into the rotating seat 34 and can be in rotary connection with the rotating seat 34, an axial limiting state is formed inside the rotating seat 34 and at the upper end of the second screw 29, and only rotary adjustment can be performed between the two. Further, the relative position height of the pressing block 26 at the lower end of the second screw 29 can be adjusted by rotating the second screw 29.
The lifting block 35 is rotatably supported on the upper portion of the lifting disk 33 by a rotary slide guide 36, and the rotary slide guide 36 may be a thrust bearing or a slide guide washer may be used to reduce friction between the lifting block 35 and the lifting disk 33.
The lifting rod 39 can be installed on the lifting seat 37 of the spin riveting device, an air cylinder or an electric push rod can be adopted, the lifting rod 39 is provided with a telescopic end facing to the lifting block 35, the lifting block 35 is driven to lift through the lifting action of the lifting rod 39, downward pressure is generated on the lifting disc 33, and then downward pressure is generated on the second screw rod 29, the two pressing blocks 26 are pressed down, and therefore the stable state of the linkage seat 10 and the whole spin riveting assembly is maintained through the downward pressure.
The two pressing blocks 26 are driven and adjusted by adopting a screw rod and an external driving structure, in the adjusting process, the adjusting modes of the two first screw rods 18 in the embodiment can be mutually independent, and the first screw rods 18 can be unscrewed before the pressing blocks 26 are adopted for adjustment, and then the pressing blocks 26 are used for adjustment.
In the adjusting process of the riveting head 4, the corresponding screw is adjusted through threads, an angle measuring instrument can be adopted in advance in the adjusting process, the inclination angle of the lower end face of the riveting head 4 is adjusted to a proper position, then locking is carried out, and the accuracy of angle adjustment is ensured. Alternatively, corresponding representing marks can be drawn on the corresponding screw, and the inclination angle of the riveting head 4 can be determined by the corresponding marks, so that the angle adjustment of the riveting head 4 can be conveniently determined.
Further, the angle of the riveting head 4 can be adjusted during the riveting process by the lifting rod 39. First, the lifting rod 39 drives the lifting block 35 to rise, and does not generate downward pressure on the pressing block 26. The linkage block 12 is maintained at a stable state position only under the action of two groups of springs, the linkage block 12 is positioned at a middle position, the riveting head 4 is in an upright state, and the riveting piece can be pressed down in a plane. Then, the lifting rod 39 drives the lifting block 35 to press downwards, so that downward pressure is generated on the pressing block 26, and the linkage block 12 is driven to move transversely, so that the inclined plane position of the riveting head 4 is inclined and deflected, and the riveting angle is adjusted. Namely, when riveting begins, the riveting position is flattened by the relative pressure, and then the riveting piece at the riveting position can be uniformly pressed by the inclined riveting surface to form a more stable and smooth riveting surface.
The embodiment also discloses a spin riveting device, as shown in fig. 7, which comprises a riveting seat 38, a lifting seat 37, a rotary driver, a lifting driver and a spin riveting head mechanism in the above embodiment, wherein the lifting seat 37 is arranged above the riveting seat 38 through the lifting driver, the rotary driver is arranged on the lifting seat 37, the rotary driver is provided with a spin riveting shaft 25 which is arranged downwards, and the spin riveting head mechanism is arranged at the lower end of the spin riveting shaft 25.
In addition, a lifting rod 39 may be provided according to a specific structure, the lifting rod 39 is mounted on the lifting seat 37, the lower end of the lifting rod 39 can be adjusted up and down, and the lifting seat 37 is mounted on the lower end of the lifting rod 39 and can be adjusted up and down through the lifting rod 39.
The end face of the riveting head 4 at the lower end of the spin riveting device can be adjusted, and after the riveting head 4 inclines and swings, the position of the lower end face of the riveting head 4 can be ensured to be always right above the riveting position of the riveting seat 38, and the situation that the horizontal position deviation is generated due to the fact that the riveting head 4 follows the swing can be avoided.
The structure of the deflectable riveting head 4 is adopted, so that the riveting head can be suitable for various environments and required riveting works, and can be suitable for processing various parts such as riveting connection of workpieces, riveting installation of electrical contacts and the like.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (8)
1. The spin riveting press head mechanism is characterized by comprising a sleeve (1) and a spin riveting assembly (3) in the sleeve (1), wherein the spin riveting assembly (3) comprises a riveting press head (4), and the riveting press head (4) extends out of an opening (5) at the lower end of the sleeve (1); the upper end of the spin riveting assembly (3) is rotationally connected in the sleeve (1) through the supporting shaft (7), and can realize inclined swing, and in the swing adjustment process of the spin riveting assembly (3), the lower end of the riveting head (4) is always positioned above the riveting seat (38);
the rotary riveting assembly (3) further comprises a first connecting rod (6) and a second connecting rod (8), the middle of the first connecting rod (6) and the middle of the second connecting rod (8) are rotationally connected through a rotating shaft (9), the upper end of the first connecting rod (6) is rotationally connected through a supporting shaft (7), and a riveting head (4) is arranged at the lower end of the second connecting rod (8); the distance between the axis of the rotating shaft (9) and the axis of the supporting shaft (7) is consistent with the distance between the axis of the rotating shaft (9) and the middle position of the lower end of the riveting head (4);
the lower end of the first connecting rod (6) is rotationally connected with a first linkage block (12) through a first linkage shaft (11), the upper end of the second connecting rod (8) is rotationally connected with a second linkage block (12) through a second linkage shaft (11), and the distance between the rotating shaft (9) and the first linkage shaft (11) and the distance between the rotating shaft and the second linkage shaft (11) are consistent; the first linkage block (12) is connected with the second linkage block (12) through a linkage seat (10), and the linkage seat (10) can be transversely adjusted and keeps the first linkage shaft (11) and the second linkage shaft (11) at the vertical opposite positions.
2. The spin riveting press head mechanism according to claim 1, wherein a first linkage groove (13) is formed at the lower end of the linkage seat (10), and the first linkage block (12) is slidably connected in the first linkage groove (13) and can realize up-and-down sliding adjustment; the upper end of the linkage seat (10) is provided with a second linkage groove (13), and the second linkage block (12) is slidably connected in the second linkage groove (13) and can realize up-and-down sliding adjustment; the linkage seat (10) can drive the first connecting rod (6) and the second connecting rod (8) to rotate and swing through transverse adjustment;
arc grooves (24) are formed in corresponding positions of the first connecting rod (6) and the second connecting rod (8), the arc grooves (24) are arc-shaped and are respectively arranged coaxially with the first linkage shaft (11) and the second linkage shaft (11), the widths of the arc grooves (24) are mutually adaptive to the outer diameters of the first linkage shaft (11) and the second linkage shaft (11), and the arc grooves are used for guiding swing sliding of the first linkage shaft (11) and the second linkage shaft (11) and limiting swing amplitude.
3. The spin riveting press head mechanism according to claim 1, wherein the linkage seat (10) is elastically supported by a limiting spring (16) corresponding to two directions of transverse movement, and two ends of the limiting spring (16) are respectively pressed between the linkage seat (10) and the inner wall of the sleeve (1).
4. The spin riveting press head mechanism according to claim 1, wherein screw holes I (17) are respectively formed in two sides of the sleeve (1) in a direction corresponding to the transverse movement direction of the linkage seat (10), screw rods I (18) are connected at the screw holes I (17) in a threaded mode, one ends of the screw rods I (18) extend out of the sleeve (1), the other ends of the screw rods I are propped against the outer sides of the linkage seat (10), and the linkage seat (10) is fixed through the propping and pressing of the screw rods I (18) on two sides.
5. The spin riveting press head mechanism according to claim 4, wherein one end of the first screw rod (18) extending into the sleeve (1) is fixedly connected with a pressing block (19), one side of the pressing block (19) facing the linkage seat (10) is a pressing plane (20), an adaptive pressing plane (20) is also arranged outside the linkage seat (10), and the two pressing planes (20) are pressed against to position the linkage seat (10).
6. The spin riveting press head mechanism according to claim 1, wherein two sides of the sleeve (1) corresponding to the linkage seat (10) are supported by a pressing block (26), and the pressing block (26) is connected with the inner wall of the sleeve (1) in an up-down sliding manner through a sliding groove (27); the pressing block (26) is wedge-shaped with a big upper part and a small lower part, and is provided with a first inclined surface (30) inclined towards the direction of the linkage seat (10); an inclined plane II (31) which is in abutting fit with the inclined plane I (30) is formed at the upper parts of the two sides of the linkage seat (10); the first inclined plane (30) and the second inclined plane (31) are mutually abutted and adhered, and the abutting block (26) can be adjusted up and down so as to realize transverse adjustment of the linkage seat (10).
7. The spin riveting press head mechanism according to claim 6, wherein the upper end of the pressing block (26) is provided with a second screw hole (28), the second screw hole (28) is internally connected with a second screw rod (29) in a threaded manner, and the upper end of the second screw rod (29) penetrates through the sleeve (1) and is in sliding connection with the sleeve (1); a supporting spring (32) is elastically connected between the pressing block (26) and the upper wall of the sleeve (1); the upper part of the sleeve (1) is provided with a lifting disc (33) capable of being adjusted in a lifting way, and the lower part of the lifting disc (33) is rotationally connected with the upper end of the second screw rod (29) through a rotating seat (34); the upper part of the lifting disc (33) is rotatably supported with a lifting block (35) through a rotary slide guide (36), and the lifting block (35) is driven to lift through a lifting rod (39).
8. A spin riveting device, comprising a riveting base (38), a lifting base (37), a rotary driver, a lifting driver and a spin riveting head mechanism according to any one of claims 1-7, wherein the lifting base (37) is installed above the riveting base (38) through the lifting driver, the rotary driver is installed on the lifting base (37), the rotary driver is provided with a spin riveting shaft (25) which is arranged downwards, and the spin riveting head mechanism is installed at the lower end of the spin riveting shaft (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211560827.9A CN115921753B (en) | 2022-12-07 | 2022-12-07 | Spin riveting pressure head mechanism and contact spin riveting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211560827.9A CN115921753B (en) | 2022-12-07 | 2022-12-07 | Spin riveting pressure head mechanism and contact spin riveting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115921753A CN115921753A (en) | 2023-04-07 |
| CN115921753B true CN115921753B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211560827.9A Active CN115921753B (en) | 2022-12-07 | 2022-12-07 | Spin riveting pressure head mechanism and contact spin riveting device |
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| Country | Link |
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| CN (1) | CN115921753B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001096335A (en) * | 1999-09-27 | 2001-04-10 | ▲吉▼川鐵工株式会社 | Workpiece hold-down device in riveting machine |
| TW201440920A (en) * | 2013-02-20 | 2014-11-01 | Newfrey Llc | Compensating device for a tool unit and fitting method by means of the tool unit |
| CN204449058U (en) * | 2015-02-15 | 2015-07-08 | 克恩-里伯斯(太仓)有限公司 | One revolves riveting device |
| CN210172478U (en) * | 2019-06-17 | 2020-03-24 | 宇山自动化技术(深圳)有限公司 | Linkage type multi-point riveting device |
| CN217492582U (en) * | 2022-02-09 | 2022-09-27 | 台沅恩(厦门)智能设备有限公司 | Spin riveting machine |
-
2022
- 2022-12-07 CN CN202211560827.9A patent/CN115921753B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001096335A (en) * | 1999-09-27 | 2001-04-10 | ▲吉▼川鐵工株式会社 | Workpiece hold-down device in riveting machine |
| TW201440920A (en) * | 2013-02-20 | 2014-11-01 | Newfrey Llc | Compensating device for a tool unit and fitting method by means of the tool unit |
| CN204449058U (en) * | 2015-02-15 | 2015-07-08 | 克恩-里伯斯(太仓)有限公司 | One revolves riveting device |
| CN210172478U (en) * | 2019-06-17 | 2020-03-24 | 宇山自动化技术(深圳)有限公司 | Linkage type multi-point riveting device |
| CN217492582U (en) * | 2022-02-09 | 2022-09-27 | 台沅恩(厦门)智能设备有限公司 | Spin riveting machine |
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| Publication number | Publication date |
|---|---|
| CN115921753A (en) | 2023-04-07 |
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