CN212857598U

CN212857598U - Pressure riveting floating central shaft convenient for workpiece processing

Info

Publication number: CN212857598U
Application number: CN202021653152.9U
Authority: CN
Inventors: 孙仁波; 向良彬; 杨鸿效; 廖宏明
Original assignee: Ruizhan Kinetic Energy Jiujiang Co ltd
Current assignee: Ruizhan Kinetic Energy Jiujiang Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-04-02
Anticipated expiration: 2030-08-10

Abstract

The utility model provides a pressure riveting floating central shaft which is convenient for processing workpieces, comprising a pressure riveting base device, the riveting seat device comprises a lower base, the lower base is connected with a floating block through an elastic buffer component, the floating block is provided with a floating central shaft assembly which comprises a press riveting positioning block, the center of the press riveting positioning block is tapped with a center hole and a threaded hole, the press riveting positioning block is fixed on the floating block, the pressure riveting positioning block is connected with a central shaft in a sliding way, a screw rod is sleeved in the central shaft, the screw rod penetrates through the central shaft and is connected with the pressure riveting positioning block in a threaded way, a floating groove is arranged between the central shaft and the screw rod, a height adjusting device is arranged below the lower base, the height adjusting device comprises a base plate, the base plate is connected with a sliding device through a telescopic assembly, adjusting assemblies are arranged on two sides of the base plate, and the sliding device is fixed on a working table of the riveting press. The utility model relates to a press-riveting floating central shaft capable of protecting inner holes from deforming during press-riveting.

Description

Pressure riveting floating central shaft convenient for workpiece processing

Technical Field

The utility model relates to a technical field who rivets is pressed specifically to a center pin floats is riveted to pressure convenient to work piece processing.

Background

The pressure riveting is a riveting method for upsetting a rivet rod to form an upset head by utilizing static pressure generated by a pressure riveting machine, and a riveted part for pressure riveting has the characteristics of good surface quality, small deformation and high connection strength, so that in actual operation, pressure riveting is preferentially adopted as long as structural manufacturability allows, when DC rotor pressure riveting is carried out in a factory, in order to prevent inner hole deformation, an iron core needs to be inserted into a dummy shaft, then pressure riveting is carried out after assembly, the dummy shaft is withdrawn after the pressure riveting is finished, a dummy shaft inserting/withdrawing device needs to be arranged beside the pressure riveting device, and due to the fact that procedures are too complicated, space and manpower in a processing chamber are seriously occupied, a floating center shaft assembled on a pressure riveting seat needs to be designed, the floating center shaft for pressure riveting is enabled to protect the inner hole from deformation, and the position of the pressure riveting seat is conveniently adjusted, and the workpiece processing is convenient.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a center pin that floats is riveted to pressure convenient to work piece processing for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a pressure riveting floating central shaft convenient for processing workpieces comprises a pressure riveting seat device, the pressure riveting seat device comprises a lower base, the lower base is connected with a floating block through an elastic buffer component, the floating block is provided with a floating central shaft component, the floating central shaft assembly comprises a press riveting positioning block, a central hole and a threaded hole are tapped at the center of the press riveting positioning block, the press riveting positioning block is fixed on the floating block, the press riveting positioning block is connected with the central shaft in a sliding way, a screw rod is sleeved in the central shaft, the screw rod penetrates through the central shaft and is connected with a press riveting positioning block through threads, a floating groove is arranged between the central shaft and the screw rod, a height adjusting device is arranged below the lower base, the height adjusting device comprises a base plate, the base plate is connected with a sliding device through a telescopic assembly, adjusting assemblies are arranged on two sides of the base plate, and the sliding device is fixed on a working table of the riveting press.

Preferably, the elastic buffer component comprises a guide post guide sleeve, the guide post guide sleeve is respectively fixed on the floating block and the lower base, and the floating block and the lower base are provided with springs. In the preferred embodiment, the cushioning of the slider is achieved by a resilient cushioning member.

Preferably, the telescopic assembly comprises a first sleeve, the bottom of the first sleeve is connected with the sliding device through a fixing assembly, a second sleeve is sleeved in the first sleeve, and the second sleeve is fixed to the bottom of the base plate. In the preferred embodiment, the height adjustment of the tie plate is achieved by a telescoping assembly.

Preferably, first sleeve pipe outer wall is equipped with a plurality of screw holes, first sleeve pipe inner wall is equipped with prevents changeing the boss, second sleeve pipe outer wall is equipped with a plurality of thread grooves, second sleeve pipe outer wall is equipped with prevents changeing the recess. In this preferred embodiment, prevent through preventing changeing the boss and preventing changeing the recess cooperation and prevent that the relative rotation between two sets of intertubes increases overall stability, realizes fixing between two sets of intertubes through thread groove and screw hole cooperation.

Preferably, the fixing assembly comprises a fixing disc, the fixing disc fixes the bottom of the first sleeve, the fixing disc is provided with a plurality of fixing bolts, and the fixing bolts are in threaded connection with the sliding device. In the preferred embodiment, the telescopic assembly and the sliding block are stably fixed through the fixing assembly.

Preferably, the adjusting assembly comprises a pressure rod which is in threaded connection with the base plate and extends to a bearing connecting cushion block at the lower part of the base plate. In the preferred embodiment, height adjustment of the tie plate is facilitated by an adjustment assembly.

Preferably, the sliding device comprises a sliding block, the sliding block is connected with the fixing assembly through a fixing bolt, two sliding rails are connected to two sides of the sliding block in a sliding mode, and the sliding rails are welded on the surface of the workbench of the riveting press machine. In the preferred embodiment, the slide block is used for facilitating the position adjustment of the riveting seat device.

Preferably, the both sides of slider bottom all are equipped with the hangers platform, two all be equipped with a plurality of thread grooves on the hangers platform, hangers platform sliding connection slide rail, be equipped with a plurality of screw holes on the slide rail. In the preferred embodiment, the sliding of the sliding block is facilitated through the lug boss, and the sliding block is convenient to fix through the matching of the threaded hole and the threaded groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a slider makes things convenient for the position control of pressure riveting seat device, conveniently adjusts the height of pressing riveting seat device through flexible subassembly, cushions the central axle device that floats through elasticity buffering subassembly and floating block, through the central axle device that floats, protects the hole indeformable in the course of working to saved go into/move back the dummy shaft process, reduced shared space of whole process and manpower.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is an axial view of the overall structure of the present invention;

FIG. 2 is a side view of the main structure of the present invention;

FIG. 3 is a side view of the overall structure of the present invention;

fig. 4 is an enlarged view of the structure at a of the present invention.

In the figure: 1. a rivet pressing base device; 11. a lower base; 12. an elastic buffer component; 121. a guide pillar and a guide sleeve; 122. a spring; 13. a slider; 14. a floating central shaft assembly; 141. pressing and riveting a positioning block; 142. a central shaft; 143. a screw; 144. a floating groove; 2. a height adjustment device; 21. a base plate; 22. a telescoping assembly; 221. a first sleeve; 2211. an anti-rotation boss; 222. a fixing assembly; 2221. fixing the disc; 2222. fixing the bolt; 223. a second sleeve; 2231. an anti-rotation groove; 23. an adjustment assembly; 231. a pressure lever; 232. cushion blocks; 3. a sliding device; 31. a slider; 311. an ear hanging table; 32. a slide rail.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-3, the floating center shaft for press riveting convenient for processing a workpiece includes a press riveting base device 1, the press riveting base device 1 includes a lower base 11, a floating block 13 is connected to the lower base 11 through an elastic buffer component 12, a floating center shaft component 14 is disposed on the floating block 13, the floating center shaft component 14 includes a press riveting positioning block 141, a center hole and a threaded hole are tapped at the center of the press riveting positioning block 141, the press riveting positioning block 141 is fixed on the floating block 13, the press riveting positioning block 141 is slidably connected to a center shaft 142, a screw 143 is sleeved in the center shaft 142, the screw 143 penetrates through the center shaft 142 and is connected to the press riveting positioning block 141, a floating groove 144 is disposed between the center shaft 142 and the screw 143, the elastic buffer component 12 includes a guide post and guide sleeve 121, the guide post and guide sleeve 121 are respectively fixed on the floating block, And the springs 122 are arranged on the lower base 11, the floating block 13 and the lower base 11. The squeeze riveter is started, the squeeze riveter is positioned through the squeeze riveter positioning block 141 in the downward pressing process, the inner hole is protected from deformation by the central shaft 142, the spring 122 is compressed, the floating block 13 is tightly attached to the lower base 11, in the upward lifting process, the central shaft 142 slides on the squeeze riveter positioning block 141, and when the screw 143 contacts the bottom of the floating groove 144, the central shaft 142 is locked and moved out of the inner hole, so that squeeze riveter is completed.

Please refer to fig. 1-4, a height adjusting device 2 is disposed under the lower base 11, the height adjusting device 2 includes a backing plate 21, the backing plate 21 is connected to the sliding device 3 through a telescopic assembly 22, adjusting assemblies 23 are disposed on two sides of the backing plate 21, the telescopic assembly 22 includes a first casing 221, the bottom of the first casing 221 is connected to the sliding device 3 through a fixing assembly 222, a second casing 223 is sleeved in the first casing 221, the second casing 223 is fixed to the bottom of the backing plate 21, a plurality of threaded holes are disposed on the outer wall of the first casing 221, an anti-rotation boss 2211 is disposed on the inner wall of the first casing 221, a plurality of threaded grooves are disposed on the outer wall of the second casing 223, an anti-rotation groove 2231 is disposed on the outer wall of the second casing 223, the fixing assembly 222 includes a fixing disc 2221, the fixing disc 2221 fixes the bottom of the first casing 221, a plurality of fixing bolts 2222 are disposed on the fixing disc 222, the fixing bolt 2222 is screwed with the sliding device 3, and the adjusting assembly 23 comprises a pressing rod 231, wherein the pressing rod 231 is screwed with the backing plate 21 and extends to a lower bearing connecting cushion block 232 of the backing plate 21. The pressing rod 231 is rotated, the pressing rod 231 drives the cushion block 232 to contact the sliding block 31, the pressing rod 231 continues to be rotated after the cushion block 232 contacts the top of the sliding block 31, the pressing rod 231 drives the backing plate 21 to move upwards, the second sleeve 223 slides out of the first sleeve 221, the second sleeve 223 is fixed through a screw after the position is proper, and height adjustment is completed.

Please refer to fig. 1-3, the sliding device 3 is fixed on the work table of the rivet press machine, the sliding device 3 includes a sliding block 31, the sliding block 31 is connected to the fixing component 222 through a fixing bolt 2222, two sides of the sliding block 31 are slidably connected to two sliding rails 32, the two sliding rails 32 are welded on the surface of the work table of the rivet press machine, two sides of the bottom of the sliding block 31 are both provided with a plurality of lug bosses 311, the two lug bosses 311 are both provided with a plurality of thread grooves, the lug bosses 311 are slidably connected to the sliding rails 32, and the sliding rails 32 are provided with a plurality of thread holes. According to the processing requirement, the sliding block 31 is fixed by matching a thread groove on the lug boss 311 with a threaded hole on the sliding rail 32 after the position of the sliding block 31 is proper.

The utility model discloses a concrete operation as follows:

according to the processing requirement, the sliding block 31 is fixed through the matching of a thread groove on the lug boss 311 and a thread hole on the slide rail 32 after the position is proper, the press rod 231 is rotated, the press rod 231 drives the cushion block 232 to contact the sliding block 31, the press rod 231 continues to rotate after the cushion block 232 contacts the top of the sliding block 31, the press rod 231 drives the backing plate 21 to move upwards, the second sleeve 223 slides out of the first sleeve 221, the second sleeve 223 is fixed through a screw after the position is proper, the height adjustment is completed, the squeeze riveter is started, the squeeze riveter performs positioning through the squeeze riveter positioning block 141 in the downward pressing process, the inner hole is protected from deformation by the central shaft 142, the spring 122 is compressed, the floating block 13 is tightly attached to the lower base 11, the central shaft 142 slides on the squeeze riveter positioning block 141 in the upward lifting process, and when the screw rod 143 contacts.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides a floating center pin is riveted in pressure convenient to work piece processing, includes pressure riveting seat device (1), its characterized in that, pressure riveting seat device (1) is including lower base (11), connect slider (13) through elasticity buffer component (12) on base (11) down, be equipped with floating central axis subassembly (14) on slider (13), floating central axis subassembly (14) is including pressure riveting locating piece (141), centre bore and screw hole are attacked to pressure riveting locating piece (141) center, pressure riveting locating piece (141) are fixed on slider (13), sliding connection center pin (142) in pressure riveting locating piece (141), cup joint screw rod (143) in center pin (142), screw rod (143) run through center pin (142) back threaded connection pressure riveting locating piece (141), be equipped with floating groove (144) between center pin (142) and screw rod (143), base (11) down is equipped with height adjusting device (2), height adjusting device (2) include backing plate (21), sliding device (3) are connected through flexible subassembly (22) in backing plate (21), backing plate (21) both sides are equipped with adjusting part (23), sliding device (3) are fixed on the press-riveting machine workstation.

2. The squeeze riveting floating central shaft convenient for processing workpieces as recited in claim 1, characterized in that the elastic buffer assembly (12) comprises a guide post guide sleeve (121), the guide post guide sleeve (121) is respectively fixed on the floating block (13) and the lower base (11), and the floating block (13) and the lower base (11) are provided with springs (122).

3. The squeeze riveting floating central shaft convenient for workpiece processing according to claim 1, wherein the telescopic assembly (22) comprises a first sleeve (221), the bottom of the first sleeve (221) is connected with the sliding device (3) through a fixing assembly (222), a second sleeve (223) is sleeved in the first sleeve (221), and the second sleeve (223) is fixed at the bottom of the backing plate (21).

4. The squeeze riveting floating central shaft convenient for workpiece processing according to claim 3, wherein the outer wall of the first sleeve (221) is provided with a plurality of threaded holes, the inner wall of the first sleeve (221) is provided with an anti-rotation boss (2211), the outer wall of the second sleeve (223) is provided with a plurality of threaded grooves, and the outer wall of the second sleeve (223) is provided with an anti-rotation groove (2231).

5. The squeeze riveting floating center shaft convenient for workpiece processing according to claim 3, wherein the fixing assembly (222) comprises a fixing disc (2221), the fixing disc (2221) fixes the bottom of the first sleeve (221), a plurality of fixing bolts (2222) are arranged on the fixing disc (2221), and the fixing bolts (2222) are in threaded connection with the sliding device (3).

6. The floating center shaft for squeeze riveting of workpiece processing according to claim 1, characterized in that the adjusting assembly (23) comprises a pressing rod (231), and the pressing rod (231) is connected with the backing plate (21) in a threaded manner and extends to a lower bearing connecting cushion block (232) of the backing plate (21).

7. The squeeze riveting floating central shaft convenient for processing workpieces as recited in claim 5, characterized in that the sliding device (3) comprises a sliding block (31), the sliding block (31) is connected with a fixing component (222) through a fixing bolt (2222), two sliding rails (32) are connected on two sides of the sliding block (31) in a sliding manner, and the two sliding rails (32) are welded on the surface of the workbench of the squeeze riveting machine.

8. The squeeze riveting floating central shaft convenient for workpiece processing according to claim 7, wherein two sides of the bottom of the sliding block (31) are provided with lug bosses (311), two lug bosses (311) are provided with a plurality of thread grooves, the lug bosses (311) are slidably connected with the sliding rail (32), and the sliding rail (32) is provided with a plurality of thread holes.