CN218193604U

CN218193604U - Copper sheathing is pressed with axle piece and is riveted and use tool

Info

Publication number: CN218193604U
Application number: CN202222306223.3U
Authority: CN
Inventors: 陈保仕; 李朋飞
Original assignee: Dongguan Junhe Precision Hardware Co ltd
Current assignee: Dongguan Junhe Precision Hardware Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-03
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to a tool technical field, concretely relates to copper sheathing is pressed with axle piece and is riveted and use tool. A fixture for press riveting of a copper sleeve and a shaft piece comprises a lower die assembly and an upper die assembly; the lower die assembly comprises a base, a lower die base and a lower punch; the lower die holder is arranged at the top of the base, the bottom of the lower die holder is provided with a chute which is arranged upwards, and the middle part of the chute is provided with a slide hole which is arranged upwards and penetrates through the lower die holder; the lower punch is connected in the sliding hole in a sliding manner, the bottom of the lower punch is provided with a sliding block which extends outwards, the sliding block is arranged in the sliding groove, the height of the sliding block is smaller than that of the sliding groove, and the middle part of the lower punch is provided with an accommodating hole; the base is provided with a first spring, and the first spring extends into the sliding groove and is contacted with the sliding block; the upper die assembly comprises a top seat and an upper die; the upper die piece is arranged above the lower die base and is arranged at the bottom of the top base, and the upper die piece is arranged in a compression joint hole with the diameter larger than that of the accommodating hole at the position corresponding to the accommodating hole. The utility model provides a current copper sheathing and the low problem of axle piece assembly efficiency.

Description

Copper sheathing is pressed with axle piece and is riveted and use tool

Technical Field

The utility model relates to a tool technical field, concretely relates to copper sheathing and axle piece are pressed and are riveted and use tool.

Background

The copper bush is also called copper bush, and comprises a machine copper roller, a copper bearing and the like. The high-strength steel is used for various light, large and heavy machines and is an important component on the machines. High hardness, excellent wear resistance, difficult seizure, better casting performance and cutting processing performance, and good corrosion resistance in atmosphere and fresh water.

The prior art does not have a device capable of riveting the copper bush and the shaft with a slender structure, so that the copper bush and the shaft are connected in a welding mode, and the assembly efficiency is influenced.

Therefore, it is necessary to provide a technical solution to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a copper sheathing is pressed with axle piece and is riveted and use tool aims at solving among the prior art copper sheathing and axle piece and is connected with the welded mode more, influences the problem of packaging efficiency.

In order to achieve the above object, the utility model provides a copper sheathing is riveted with axle piece pressure and is used tool, including lower mould subassembly and last mould subassembly, wherein:

the lower die assembly comprises a base, a lower die seat and a lower punch; the lower die holder is arranged at the top of the base, the bottom of the lower die holder is provided with a chute which is opened upwards, and the middle part of the chute is provided with a sliding hole which is opened upwards and penetrates through the lower die holder; the lower punch is connected in the sliding hole in a sliding manner, the bottom of the lower punch is provided with a sliding block which extends outwards, the sliding block is arranged in the sliding groove, the height of the sliding block is smaller than that of the sliding groove, and the middle part of the lower punch is provided with an accommodating hole; the base is provided with a first spring, and the first spring extends into the sliding groove and is in contact with the sliding block; the base is provided with a guide post;

the upper die assembly comprises a top seat and an upper die element; the upper module is arranged above the lower die holder, is arranged at the bottom of the top seat, and is provided with a crimping hole with the diameter larger than that of the accommodating hole at the position corresponding to the accommodating hole; the top is provided with a guide hole, and the guide column is connected in the guide hole in a sliding manner.

More specifically, the top of lower punch is equipped with the bellied post that cup joints that makes progress, the cover is equipped with the punch head cover on the post that cup joints.

More specifically, the upper die element comprises an upper die base and an upper punch; the upper die holder is arranged at the bottom of the top seat, a positioning groove which is formed downwards is formed in the top of the upper die holder, and a positioning hole which is formed downwards and penetrates through the upper die holder is formed in the middle of the positioning groove; the upper punch is arranged in the positioning hole, the top of the upper punch is provided with a positioning block matched with the positioning groove, the positioning block is arranged in the positioning groove, and the bottom of the upper punch extends to the position below the upper die base; the crimping hole is formed in the middle of the upper punch.

More specifically, the bottom of the upper punch is provided with an annular crimping part formed to extend downward at the periphery of the crimping hole.

More specifically, the bottom of the lower punch is provided with a groove formed upwards; and a cushion block matched with the groove is arranged above the base and is arranged in the groove.

More specifically, the bottom of the base is provided with a mounting groove, and the top of the mounting groove is provided with a mounting hole penetrating through the base; the detachable is connected with the installation piece in the mounting groove, first spring is located in the mounting hole, and with the installation piece pastes mutually and touches.

More specifically, be equipped with the uide bushing in the guiding hole, the uide bushing with guide post sliding connection.

More specifically, the guide post overcoat is equipped with the second spring, the both ends of second spring respectively with the footstock with the base is connected.

More specifically, first spacing post is installed to the bottom of footstock, the top of base is in corresponding the position department of first spacing post installs the spacing post of second.

The utility model relates to a copper sheathing is riveted with axle piece pressure and is used tool's technological effect does:

this application offers holding hole at lower drift middle part, before the pressure is riveted, it is downthehole to arrange the holding with the axle piece in, and arrange the copper sheathing in down the drift top, the copper sheathing is coaxial setting with holding hole, and the inner circle diameter of copper sheathing is less than the axle piece diameter, press when the footstock is lower when supreme module presses on the copper sheathing, the lower drift receives the pressure that the mould was applyed and is descended to pasting mutually with the base and touch, at this moment, the axle piece then moves about relatively the lower drift, the axle piece extends the inside of copper sheathing inner circle promptly, the inner wall in crimping hole then forms spacingly to the copper sheathing, and then make axle piece and copper sheathing fastening riveting. This design simple structure can effectively improve the packaging efficiency of copper sheathing and axle piece, and removable different lower punch makes holding hole and axle piece looks adaptation, improves this tool is riveted to pressure's commonality.

Drawings

Fig. 1 is a schematic structural view of a jig for press-riveting a copper bush and a shaft member according to the present invention;

fig. 2 is a schematic cross-sectional view of a jig for press-riveting a copper bush and a shaft according to the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a partial schematic view of the copper bush and shaft member press-riveting jig according to the present invention in a mold closing state;

fig. 5 is an exploded structural view of an upper module in the fixture for press riveting the copper bush and the shaft of the present invention;

fig. 6 is a schematic structural view of a base in the jig for press-riveting the copper bush and the shaft according to the present invention;

fig. 7 is the utility model relates to a lower bolster's in copper sheathing and shaft member pressure riveting tool structure schematic diagram.

The labels in the figure are:

1-lower die assembly; 2, an upper die assembly;

11-a base; 111-mounting groove; 112-mounting holes; 12-a lower die holder; 121-a chute; 122. -a slide hole; 13 — a lower punch; 131-a slider; 132-containment hole; 133-sleeving a column; 134-groove; 14-a first spring; 15-a guide post; 151-a second spring; 16-a punch head sleeve; 17-cushion block; 18. -a mounting block; 19-a second limit post;

21-a top seat; 211-guide holes; 22-upper die element; 23, an upper die base; 231-positioning grooves; 232. -locating the holes; 24-an upper punch; 241-crimping holes; 242 — annular crimping portion; 243-positioning block; 25. -a guide sleeve; 26-a first restraint post;

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.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present; 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the embodiments of the present invention, it should be understood that the orientations and positional relationships indicated by the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are based on the orientations and positional relationships shown in the drawings and are only for convenience in describing the embodiments of the present invention and for simplicity in description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

To more clearly illustrate the technical solution of the present invention, a preferred embodiment is provided below, specifically referring to fig. 1 to 7, a fixture for press riveting a copper bush and a shaft comprises a lower die assembly 1 and an upper die assembly 2, wherein:

the lower die assembly 1 comprises a base 11, a lower die holder 12 and a lower punch 13; the lower die holder 12 is installed at the top of the base 11, the bottom of the lower die holder is provided with a chute 121 which is opened upwards, and the middle part of the chute 121 is provided with a sliding hole 122 which is opened upwards and penetrates through the lower die holder 12; the lower punch 13 is slidably connected in the slide hole 122, the bottom of the lower punch is provided with a slide block 131 which extends outwards, the slide block 131 is arranged in the slide groove 121, the height of the slide block 131 is smaller than that of the slide groove 121, and the middle part of the lower punch 13 is provided with a containing hole 132; a first spring 14 is mounted on the base 11, and the first spring 14 extends into the sliding groove 121 and contacts with the sliding block 131; the base is provided with a guide post 15;

the upper die assembly 2 comprises a top seat 21 and an upper die element 22; the upper die piece 22 is arranged above the lower die holder 12, is arranged at the bottom of the top holder 21, and is provided with a crimping hole 241 with the diameter larger than that of the accommodating hole 132 at a position corresponding to the accommodating hole 132; the top is provided with a guide hole 211, and the guide column 15 is slidably connected in the guide hole 211.

In this embodiment, the containing hole 132 is formed in the middle of the lower punch 13, before riveting, a shaft is placed in the containing hole 132, a copper sleeve is placed at the top of the lower punch 13, the copper sleeve and the containing hole 132 are coaxially arranged, the diameter of an inner ring of the copper sleeve is smaller than that of the shaft, when the top seat 21 descends to the upper module 22 and presses against the copper sleeve, the lower punch 13 descends to be attached to and contacted with the base 11 under the pressure applied by the upper module 22, at this time, the shaft moves upward relative to the lower punch 13, that is, the shaft extends to the inside of the inner ring of the copper sleeve, the inner wall of the crimping hole 241 limits the copper sleeve, and the shaft is fastened and riveted with the copper sleeve. This design simple structure can effectively improve the packaging efficiency of copper sheathing and axle piece, and removable different lower punch 13 makes holding hole 132 and axle piece looks adaptation, improves this tool's of riveting commonality.

Preferably, the shaft piece is provided with an inward-concave annular groove, and a part of the structure of the copper sleeve is extruded to enter the annular groove in the press riveting process, so that the connection tightness of the copper sleeve and the shaft piece is improved.

In this embodiment, when the top seat 21 moves upward due to the design of the first spring 14, the upper punch 24 is pushed upward by the first spring 14, so that the shaft member can be placed below the copper sleeve before the next riveting operation, thereby ensuring the normal operation of the riveting operation.

As a preferable scheme of this embodiment, the top of the lower punch 13 is provided with a sleeve post 133 protruding upward, and the sleeve post 133 is sleeved with the punch head sleeve 16. The drift head cover 16 plays the positioning action to the copper sheathing, according to the removable difference of requirement of difference the drift head cover 16 is fixed a position the copper sheathing of different models, improves this pressure riveting tool's commonality, just drift head cover 16 with the cover post 133 is for cup jointing, and it is more convenient to change.

As a preferable solution of this embodiment, the upper mold 22 includes an upper mold base 23 and an upper punch 24; the upper die holder 23 is installed at the bottom of the top base 21, a positioning groove 231 which is downwards opened is formed in the top of the upper die holder, and a positioning hole 232 which is downwards opened to penetrate through the upper die holder 23 is formed in the middle of the positioning groove 231; the upper punch 24 is arranged in the positioning hole 232, the top of the upper punch is provided with a positioning block 243 matched with the positioning groove 231, the positioning block 243 is arranged in the positioning groove 231, and the bottom of the upper punch 24 extends to the lower part of the upper die holder 23; the crimping hole 241 is provided in the middle of the upper punch 24. The design of the upper punch 24 enables the riveting jig to process different shaft members, only the upper punch 24 needs to be replaced to enable the crimping hole 241 to be matched with the shaft member, namely only the upper punch 24 needs to be manufactured differently, the whole upper die member 22 does not need to be manufactured, and the production cost is reduced.

As a preferable aspect of the present embodiment, the bottom of the upper punch 24 is provided with an annular crimp 242 formed to extend downward at the outer periphery of the crimp hole 241. Referring to the figure, a concave structure is arranged in the middle of part of the copper sleeve, and the design of the annular crimping part 242 can be matched with the concave structure on the copper sleeve, so that the stability of the copper sleeve during riveting is ensured.

As a preferable scheme of this embodiment, the bottom of the lower punch 13 is provided with a groove 134 formed upward; a cushion block 17 matched with the groove 134 is arranged above the base 11, and the cushion block 17 is arranged in the groove 134. The cushion block 17 is used for supporting the shaft member, the cushion blocks 17 with different heights can be selected according to different shaft member lengths to support, and therefore when the pressure riveting jig is guaranteed to be in compression joint, the shaft member can extend out of the accommodating hole 132 and is in pressure riveting connection with the copper sleeve.

As a preferable scheme of this embodiment, the bottom of the base 11 is provided with a mounting groove 111, and the top of the mounting groove 111 is provided with a mounting hole 112 penetrating through the base 11; the mounting groove 111 is internally detachably connected with a mounting block 18, and the first spring 14 is arranged in the mounting hole 112 and is contacted with the mounting block 18. The design of the mounting block 18 improves the speed of disassembling and assembling the first spring 14, that is, when the first spring 14 needs to be overhauled and replaced, the mounting block 18 is only required to be disassembled, so that the first spring 14 can be slid out from the mounting groove 111 at the bottom of the base 11.

As a preferable scheme of this embodiment, a guide sleeve 25 is disposed in the guide hole 211, and the guide sleeve 25 is slidably connected to the guide post 15.

As a preferable scheme of this embodiment, a second spring 151 is sleeved outside the guide post 15, and both ends of the second spring 151 are respectively connected to the top seat 21 and the base 11. The design of the second spring 151 enables the press riveting jig to automatically bounce after the press riveting jig completes the assembly of a pair of products, so that the working efficiency is improved, and the products can be taken out conveniently.

As a preferable scheme of this embodiment, a first limiting column 26 is installed at the bottom of the top seat 21, and a second limiting column 19 is installed at a position corresponding to the first limiting column 26 at the top of the base 11. The first limit post 26 and the second limit post 19 limit the positions of the top seat 21 and the base 11, that is, when the upper punch 24 descends to press the lower punch 13 to be attached to the base 11, the first limit post 26 is just attached to the second limit post 19, so as to prevent the upper punch 24 or the lower punch 13 from being damaged.

The utility model relates to a copper sheathing is pressed with axle piece and is riveted and use tool through reasonable structure setting, has solved among the prior art many to be connected with the welded mode between copper sheathing and axle piece, influences the problem of packaging efficiency.

The above description is only for the preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shape, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a copper sheathing is riveted with axle piece pressure and is used tool which characterized in that: including lower mould component and last mould component, wherein:

the lower die assembly comprises a base, a lower die seat and a lower punch; the lower die holder is arranged at the top of the base, the bottom of the lower die holder is provided with a chute which is arranged upwards, and the middle part of the chute is provided with a slide hole which is arranged upwards and penetrates through the lower die holder; the lower punch is connected in the sliding hole in a sliding mode, the bottom of the lower punch is provided with a sliding block which extends outwards, the sliding block is arranged in the sliding groove, the height of the sliding block is smaller than that of the sliding groove, and the middle of the lower punch is provided with a containing hole; the base is provided with a first spring, and the first spring extends into the sliding groove and is in contact with the sliding block; the base is provided with a guide post;

the upper die assembly comprises a top seat and an upper die; the upper module is arranged above the lower die holder, is arranged at the bottom of the top holder, and is provided with a crimping hole with the diameter larger than that of the accommodating hole at the position corresponding to the accommodating hole; a guide hole is formed in the top, and the guide column is connected in the guide hole in a sliding mode.

2. The jig for riveting the copper bush and the shaft piece according to claim 1, wherein: the top of the lower punch is provided with a sleeve connecting column protruding upwards, and a punch head sleeve is sleeved on the sleeve connecting column.

3. The jig for riveting the copper bush and the shaft member according to claim 1, wherein: the upper die component comprises an upper die base and an upper punch; the upper die holder is arranged at the bottom of the top seat, the top of the upper die holder is provided with a positioning groove which is downwards arranged, and the middle part of the positioning groove is provided with a positioning hole which is downwards arranged to penetrate through the upper die holder; the upper punch is arranged in the positioning hole, the top of the upper punch is provided with a positioning block matched with the positioning groove, the positioning block is arranged in the positioning groove, and the bottom of the upper punch extends to the position below the upper die base; the crimping hole is formed in the middle of the upper punch.

4. The tool for riveting copper bush and shaft according to claim 3 is characterized in that: the bottom of the upper punch is provided with an annular crimping part formed by extending downwards on the periphery of the crimping hole.

5. The jig for riveting the copper bush and the shaft member according to claim 1, wherein: the bottom of the lower punch is provided with a groove formed upwards; and a cushion block matched with the groove is arranged above the base and is arranged in the groove.

6. The jig for riveting the copper bush and the shaft member according to claim 1, wherein: the bottom of the base is provided with a mounting groove, and the top of the mounting groove is provided with a mounting hole penetrating through the base; the detachable is connected with the installation piece in the mounting groove, first spring is located in the mounting hole, and with the installation piece pastes mutually and touches.

7. The jig for riveting the copper bush and the shaft piece according to claim 1, wherein: the guide hole is internally provided with a guide sleeve, and the guide sleeve is connected with the guide post in a sliding manner.

8. The jig for riveting the copper bush and the shaft member according to claim 1, wherein: the guide post overcoat is equipped with the second spring, the both ends of second spring respectively with the footstock with the base is connected.

9. The jig for riveting the copper bush and the shaft member according to claim 1, wherein: first spacing post is installed to the bottom of footstock, the top of base is in corresponding the position department of first spacing post installs the spacing post of second.