CN103071724B - Internal punching die for multi-oilhole bushing - Google Patents
Internal punching die for multi-oilhole bushing Download PDFInfo
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- CN103071724B CN103071724B CN201210597162.9A CN201210597162A CN103071724B CN 103071724 B CN103071724 B CN 103071724B CN 201210597162 A CN201210597162 A CN 201210597162A CN 103071724 B CN103071724 B CN 103071724B
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- anvil
- mould
- locating piece
- die
- drift
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Abstract
The invention discloses an internal punching die for a multi-oilhole bushing. The internal punching die consists of an upper punching die (1) and a lower punching die (2). According to the technical scheme adopted by the invention, the internal punching die consists of the upper punching die and the lower punching die, wherein the upper punching die consists of a die handle and a punching head, and the lower punching die consists of a die backup plate, a die anvil, a punching head guide block, a side hole locating block and a center hole locating block; and when the internal punching die works, oil holes are punched from the internal wall of the bushing to the outside, turned-over edges of the oil holes are formed on the external wall of the bushing, external turned-over edges are struck off through drilling machine reaming, and a plurality of oil holes which are uniformly distributed can be conveniently punched in the bushing due to the side hole locating block and the center hole locating block. Due to the adoption of the technical scheme adopted by the invention, the problems/shortcomings of high work intensity, low efficiency and inconsistent product quality in the prior art are solved/overcome, the disadvantage of manual internal-turned-over-edge strike-off is avoided in a manner that the oil holes are punched from inside to outside and the external turned-over edges are struck off through drilling machine reaming, and the bushing oil hole machining is then enabled to reach the aims of work intensity reduction, efficiency increase, and guarantee of product quality consistency.
Description
Technical field
The present invention relates to a kind of perforating die, specifically refer to that bearing shell is produced, for the interior perforating die of a kind of heavy wool hole bearing shell of a plurality of uniform oilholes of punching on axle bush product.
Background technology
On axle bush product, need to produce the oilhole abbreviation oilhole that infiltrates bearing shell inwall for lubricating oil, prior art adopts drilling machine and drilling die or punch press and perforating die ecto-entad on bearing shell drills or punching oilhole referred to as outer punching, to be oilhole be positioned at wearing layer and steel back layer junction can form the burr towards wearing layer to the drawback of outer punching, the burr or the flange that at bearing shell inwall place, form are called in-flanges, in-flanges can affect the serviceability of bearing shell, therefore must be by manually by striking knife is manual, in-flanges being struck off, because the working strength of manual processing in-flanges is large, efficiency is low, relying on skilled worker and quality conformance is difficult to guarantee, therefore, prior art exists working strength large, efficiency is low, the problems and shortcomings that product property is difficult consistent.
Summary of the invention
The problems and shortcomings that exist for above-mentioned prior art, the present invention adopts the device consisting of upper trimming die and lower punch die, wherein upper trimming die is by die shank, drift forms, lower punch die is by mould backup plate, anvil mould, drift guide block, lateral opening locating piece, mesopore locating piece forms, during work by the outside punching oilhole of inwall of bearing shell, the flange of oilhole being formed on the outer wall of bearing shell is flanging, utilize drilling machine spot-facing to strike off flanging, in addition, lateral opening locating piece, mesopore locating piece is convenient to the technical scheme of a plurality of uniform oilholes of punching on bearing shell, the interior perforating die of a kind of heavy wool hole bearing shell is provided, by punching oilhole from inside to outside, utilize drilling machine spot-facing to strike off formed flanging, avoid the manual drawback that strikes off in-flanges, make the processing of bearing bush oil hole reach reduction working strength, raise the efficiency, guarantee the conforming object of product property.
The object of the present invention is achieved like this: the interior perforating die of a kind of heavy wool hole bearing shell, comprise upper trimming die, lower punch die, wherein: described upper trimming die consists of die shank, drift, described die shank is the steel components of up-small and down-big cylinder step, the center of die shank is provided with the upper and lower manhole of perforation and is called drift placement hole, and the bottom big column step cylinder of die shank is provided with the screw communicating with described drift placement hole; Described drift is cylindrical steel member; The top of drift is arranged in the described drift placement hole of die shank, is screwed into described screw drift is fixedly connected with die shank with screw;
Described lower punch die consists of mould backup plate, anvil mould, drift guide block, lateral opening locating piece, mesopore locating piece, the steel components that described mould backup plate is rectangular block shape; The steel components that described anvil mould is rectangular block shape, the circular groove that the center above of anvil mould is provided with fore-and-aft direction is called anvil groove, the manhole that described Zhen Cao center is provided with is vertically downward called punching, between the left bead of described anvil groove and the left surface of anvil mould, be provided with the downward-sloping inclined-plane for fixing lateral opening locating piece and be called constant inclined surface, described constant inclined surface is provided with screwed hole; The steel components that described drift guide block is rectangular block shape, the manhole that the center of drift guide block is provided with above-below direction is called guide hole, drift guide block be below the arc surface of the downward protrusion corresponding with the described anvil groove of anvil mould; Described lateral opening locating piece is the steel components of the sector bulk of downward bending on one side, and the bending edges of lateral opening locating piece is called gulde edge, described gulde edge be provided with the profile identical with the arc surface of the described anvil groove of anvil mould below; The limit adjacent with described gulde edge of lateral opening locating piece is called fixed edge, and described fixed edge is provided with circular through hole and is called connecting hole; The steel components that described mesopore locating piece is rectangular block shape, the front portion of mesopore locating piece is provided with by rotation and can regulates the outer-hexagonal screw of upper-lower position to be called set screw;
Anvil mould is fixedly connected on the bottom above of mould backup plate; Drift guide block is fixedly connected on the precedence centre top of mould backup plate, being provided with for inserting the gap of axle bush product and being called insert port below and between the described anvil groove of anvil mould of drift guide block; The dead in line of the described punching of the axis of the described guide hole of drift guide block and anvil mould; Mesopore locating piece be positioned at the left of drift guide block and be fixedly connected on mould backup plate above, the described set screw of mesopore locating piece be positioned at mould backup plate before; The described gulde edge of lateral opening locating piece is positioned at the left part of the described anvil groove of anvil mould, the described fixed edge of lateral opening locating piece be positioned at anvil mould described constant inclined surface above, with the described screwed hole that screw is screwed into anvil mould through the described connecting hole of lateral opening locating piece, lateral opening locating piece is fixedly connected with anvil mould;
Upper trimming die is positioned at the top of lower punch die, the described drift of upper trimming die slide the described guide hole of the drift guide block that is arranged in lower punch die the corresponding described punching at anvil mould above;
The direction face of structure representation is divided into up, down, left, right, front, rear side, wherein, before be the face in the face of institute's statement main body, after be with described before relative face.
Operation principle and beneficial effect
During application, the described die shank of upper trimming die is fixedly connected with the Punching slider of punch press, lower punch die be fixedly connected on punch press workbench above.
When punching is positioned at the limit oilhole of axle bush product avris, axle bush product is inserted to described insert port, the outer wall liner of axle bush product is in the described anvil groove of anvil mould, the left end of axle bush product is against the right-hand member of the described gulde edge of lateral opening locating piece, start punch press, described drift and described punching on the wall of axle bush product from inside to outside punching go out to be positioned at the oilhole of axle bush product avris;
When punching is arranged in the oilhole at axle bush product middle part, lateral opening locating piece is removed, adjust the height of the described set screw of mesopore locating piece, axle bush product is inserted to described insert port, the left end of axle bush product is against the lower end of described set screw, start punch press, can be on the wall of axle bush product from inside to outside punching go out to be positioned at the oilhole at axle bush product middle part.
Due to this device punching oilhole from inside to outside on axle bush product, so be called interior punching, the flanging that interior punching forms can be eliminated by drilling machine spot-facing, therefore, avoided the manual drawback that strikes off in-flanges, in addition, lateral opening locating piece, mesopore locating piece are convenient to a plurality of uniform oilholes of punching on bearing shell, and can guarantee to produce in batches the uniformity of the oil-hole location of axle bush product, make the processing of bearing bush oil hole, reduce working strength, improved production efficiency, guaranteed the uniformity of product property.
Above-mentioned, the present invention adopts the device consisting of upper trimming die and lower punch die, wherein upper trimming die is by die shank, drift forms, lower punch die is by mould backup plate, anvil mould, drift guide block, lateral opening locating piece, mesopore locating piece forms, during work by the outside punching oilhole of inwall of bearing shell, the flange of oilhole being formed on the outer wall of bearing shell is flanging, utilize drilling machine spot-facing to strike off flanging, lateral opening locating piece, mesopore locating piece is convenient to the technical scheme of a plurality of uniform oilholes of punching on bearing shell, having overcome prior art exists working strength large, efficiency is low, the problems and shortcomings that product property is difficult consistent, the interior perforating die of a kind of heavy wool hole bearing shell providing, by punching oilhole from inside to outside, utilize drilling machine spot-facing to strike off formed flanging, avoided the manual drawback that strikes off in-flanges, make the processing of bearing bush oil hole reach reduction working strength, raise the efficiency, guarantee the conforming object of product property.
Accompanying drawing explanation
Fig. 1 is that the master of the interior perforating die structure of a kind of heavy wool of the present invention hole bearing shell looks cross-sectional schematic;
Fig. 2 is that the axle of the interior perforating die structure of a kind of heavy wool of the present invention hole bearing shell measures intention;
Fig. 3 is the interior perforating die of a kind of heavy wool of the present invention hole bearing shell, is operated in the principle schematic that punching is positioned at the oilhole tense at axle bush product middle part.
Below in conjunction with the embodiment in accompanying drawing, the present invention is described in further detail, but should not be construed as any limitation of the invention.
In figure: upper trimming die 1, die shank 11, drift 12, lower punch die 2, mould backup plate 21, anvil mould 22, punching 23, drift guide block 24, lateral opening locating piece 25, mesopore locating piece 26, axle bush product 01.
The specific embodiment
Consult Fig. 1～Fig. 3, the interior perforating die of a kind of heavy wool of the present invention hole bearing shell, comprise upper trimming die 1, lower punch die 2, wherein: described upper trimming die 1 consists of die shank 11, drift 12, described die shank 11 is the steel components of up-small and down-big cylinder step, die shank 11 center is provided with the upper and lower manhole of perforation and is called drift placement hole, and the bottom big column step cylinder of die shank 11 is provided with the screw communicating with described drift placement hole; Described drift 12 is cylindrical steel member; The top of drift 12 is arranged in the described drift placement hole of die shank 11, is screwed into described screw drift 12 is fixedly connected with die shank 11 with screw;
Described lower punch die 2 consists of mould backup plate 21, anvil mould 22, drift guide block 24, lateral opening locating piece 25, mesopore locating piece 26, the steel components that described mould backup plate 21 is rectangular block shape; The steel components that described anvil mould 22 is rectangular block shape, the circular groove that the center above of anvil mould 22 is provided with fore-and-aft direction is called anvil groove, the manhole that described Zhen Cao center is provided with is vertically downward called punching 23, between the left bead of described anvil groove and the left surface of anvil mould 22, be provided with the downward-sloping inclined-plane for fixing lateral opening locating piece 25 and be called constant inclined surface, described constant inclined surface is provided with screwed hole; The steel components that described drift guide block 24 is rectangular block shape, the manhole that drift guide block 24 center is provided with above-below direction is called guide hole, drift guide block 24 be below the arc surface of the downward protrusion corresponding with the described anvil groove of anvil mould 22; Described lateral opening locating piece 25 is the steel components of the sector bulk of downward bending on one side, and the bending edges of lateral opening locating piece 25 is called gulde edge, described gulde edge be provided with the profile identical with the arc surface of the described anvil groove of anvil mould 22 below; The limit adjacent with described gulde edge of lateral opening locating piece 25 is called fixed edge, and described fixed edge is provided with circular through hole and is called connecting hole; The steel components that described mesopore locating piece 26 is rectangular block shape, the front portion of mesopore locating piece 26 is provided with by rotation and can regulates the outer-hexagonal screw of upper-lower position to be called set screw;
Anvil mould 22 is fixedly connected on the bottom above of mould backup plate 21; Drift guide block 24 is fixedly connected on the precedence centre top of mould backup plate 21, being provided with for inserting the gap of axle bush product 01 and being called insert port below and between the described anvil groove of anvil mould 22 of drift guide block 24; The dead in line of the described punching 23 of the axis of the described guide hole of drift guide block 24 and anvil mould 22; Mesopore locating piece 26 be positioned at the left of drift guide block 24 and be fixedly connected on mould backup plate 21 above, the described set screw of mesopore locating piece 26 be positioned at mould backup plate 21 before; The described gulde edge of lateral opening locating piece 25 is positioned at the left part of the described anvil groove of anvil mould 22, the described fixed edge of lateral opening locating piece 25 be positioned at anvil mould 22 described constant inclined surface above, with the described screwed hole that screw is screwed into anvil mould 22 through the described connecting hole of lateral opening locating piece 25, lateral opening locating piece 25 is fixedly connected with anvil mould 22;
Upper trimming die 1 is positioned at the top of lower punch die 2, the described drift of upper trimming die 1 12 slide the described guide hole of the drift guide block 24 that is arranged in lower punch die 2 the corresponding described punching 23 at anvil mould 22 above;
The direction face of structure representation is divided into up, down, left, right, front, rear side, wherein, before be the face in the face of institute's statement main body, after be with described before relative face.
Operation principle and beneficial effect
During application, the described die shank 11 of upper trimming die 1 is fixedly connected with the Punching slider of punch press, lower punch die 2 be fixedly connected on punch press workbench above.
When punching is positioned at the limit oilhole of axle bush product 01 avris, axle bush product 01 is inserted to described insert port, the outer wall liner of axle bush product 01 is in the described anvil groove of anvil mould 22, the left end of axle bush product 01 is against the right-hand member of the described gulde edge of lateral opening locating piece 25, start punch press, described drift 12 and described punching 23 on the wall of axle bush product 01 from inside to outside punching go out to be positioned at the oilhole of axle bush product 01 avris;
When punching is arranged in the oilhole at axle bush product 01 middle part, lateral opening locating piece 25 is removed, adjust the height of the described set screw of mesopore locating piece 26, axle bush product 01 is inserted to described insert port, the left end of axle bush product 01 is against the lower end of described set screw, start punch press, can be on the wall of axle bush product 01 from inside to outside punching go out to be positioned at the oilhole at axle bush product 01 middle part.
Claims (1)
1. the interior perforating die of a heavy wool hole bearing shell, comprise upper trimming die (1), lower punch die (2), it is characterized in that: described upper trimming die (1) consists of die shank (11), drift (12), described die shank (11) is the steel components of up-small and down-big cylinder step, the center of die shank (11) is provided with the upper and lower manhole of perforation and is called drift placement hole, and the bottom big column step cylinder of die shank (11) is provided with the screw communicating with described drift placement hole; Described drift (12) is cylindrical steel member; The top of drift (12) is arranged in the described drift placement hole of die shank (11), is screwed into described screw drift (12) is fixedly connected with die shank (11) with screw;
Described lower punch die (2) consists of mould backup plate (21), anvil mould (22), drift guide block (24), lateral opening locating piece (25), mesopore locating piece (26), the steel components that described mould backup plate (21) is rectangular block shape; The steel components that described anvil mould (22) is rectangular block shape, the circular groove that the center above of anvil mould (22) is provided with fore-and-aft direction is called anvil groove, the manhole that described Zhen Cao center is provided with is vertically downward called punching (23), between the left surface of the left bead of described anvil groove and anvil mould (22), be provided with the downward-sloping inclined-plane for fixing lateral opening locating piece (25) and be called constant inclined surface, described constant inclined surface is provided with screwed hole; The steel components that described drift guide block (24) is rectangular block shape, the manhole that the center of drift guide block (24) is provided with above-below direction is called guide hole, drift guide block (24) be below the arc surface of the downward protrusion corresponding with the described anvil groove of anvil mould (22); Described lateral opening locating piece (25) is the steel components of the sector bulk of one side downward bending, the bending edges of lateral opening locating piece (25) is called gulde edge, described gulde edge be provided with below the profile identical with the arc surface of the described anvil groove of anvil mould (22); The limit adjacent with described gulde edge of lateral opening locating piece (25) is called fixed edge, and described fixed edge is provided with circular through hole and is called connecting hole; The steel components that described mesopore locating piece (26) is rectangular block shape, the front portion of mesopore locating piece (26) is provided with by rotation and can regulates the outer-hexagonal screw of upper-lower position to be called set screw;
Anvil mould (22) is fixedly connected on the bottom above of mould backup plate (21); Drift guide block (24) is fixedly connected on the precedence centre top of mould backup plate (21), being provided with for inserting the gap of axle bush product (01) and being called insert port below and between the described anvil groove of anvil mould (22) of drift guide block (24); The dead in line of the described punching (23) of the axis of the described guide hole of drift guide block (24) and anvil mould (22); Mesopore locating piece (26) be positioned at the left of drift guide block (24) and be fixedly connected on mould backup plate (21) above, the described set screw of mesopore locating piece (26) be positioned at mould backup plate (21) before; The described gulde edge of lateral opening locating piece (25) is positioned at the left part of the described anvil groove of anvil mould (22), the described fixed edge of lateral opening locating piece (25) be positioned at anvil mould (22) described constant inclined surface above, with the described screwed hole that screw is screwed into anvil mould (22) through the described connecting hole of lateral opening locating piece (25), lateral opening locating piece (25) is fixedly connected with anvil mould (22);
Upper trimming die (1) is positioned at the top of lower punch die (2), the described guide hole of drift guide block (24) the top of the corresponding described punching (23) at anvil mould (22) that the described drift (12) of upper trimming die (1) slides and is arranged in lower punch die (2);
The direction face of structure representation is divided into up, down, left, right, front, rear side, wherein, before be the face in the face of institute's statement main body, after be with described before relative face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210597162.9A CN103071724B (en) | 2012-12-29 | 2012-12-29 | Internal punching die for multi-oilhole bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210597162.9A CN103071724B (en) | 2012-12-29 | 2012-12-29 | Internal punching die for multi-oilhole bushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103071724A CN103071724A (en) | 2013-05-01 |
| CN103071724B true CN103071724B (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210597162.9A Expired - Fee Related CN103071724B (en) | 2012-12-29 | 2012-12-29 | Internal punching die for multi-oilhole bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103071724B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583305B (en) * | 2016-02-26 | 2017-08-01 | 宁波轴瓦厂 | A kind of device for preventing the long hole site of bearing shell from producing deviation |
| CN114101407B (en) * | 2021-11-30 | 2024-03-01 | 锦翔(宁波)轴瓦有限公司 | Multi-size forming device for annular axle bush |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4103574A (en) * | 1974-08-01 | 1978-08-01 | Greer H William | Tool assembly, method of manufacture and components thereof |
| CN2865910Y (en) * | 2005-11-30 | 2007-02-07 | 江苏威特集团有限公司 | Bearing shell piercing die |
| CN200951585Y (en) * | 2006-09-27 | 2007-09-26 | 许晓华 | Punching hole mould for motor wind cover |
| CN201183090Y (en) * | 2007-12-21 | 2009-01-21 | 上海舒勤精密机械制造有限公司 | Shaft bushing punching device |
| CN201783564U (en) * | 2010-08-06 | 2011-04-06 | 烟台大丰轴瓦有限责任公司 | Novel device for bearing bush punching |
| CN202087679U (en) * | 2011-03-30 | 2011-12-28 | 安徽科达汽车轴瓦有限公司 | Easy-clamping punch technical device for machining oil orifice of bearing bush |
| CN102240727B (en) * | 2011-06-12 | 2013-08-14 | 宁波轴瓦厂 | Inner punching die of bushing oil hole |
-
2012
- 2012-12-29 CN CN201210597162.9A patent/CN103071724B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103071724A (en) | 2013-05-01 |
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Address after: Yuelong Ninghai County Economic Development Zone of Zhejiang Province, Ningbo City Road 315600 No. 6 Patentee after: Jinxiang (Ningbo) Bearing Co.,Ltd. Address before: Yuelong Ninghai County Economic Development Zone of Zhejiang Province, Ningbo City Road 315600 No. 6 Patentee before: Ningbo Bush Factory |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20211229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |