CN103071724A - Internal punching die for multi-oilhole bushing - Google Patents
Internal punching die for multi-oilhole bushing Download PDFInfo
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- CN103071724A CN103071724A CN2012105971629A CN201210597162A CN103071724A CN 103071724 A CN103071724 A CN 103071724A CN 2012105971629 A CN2012105971629 A CN 2012105971629A CN 201210597162 A CN201210597162 A CN 201210597162A CN 103071724 A CN103071724 A CN 103071724A
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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, refer to that specifically bearing shell is produced, be used for the interior perforating die of a kind of heavy wool hole bearing shell of a plurality of uniform oilholes of on axle bush product punching.
Background technology
Need to produce the oilhole abbreviation oilhole that infiltrates the bearing shell inwall for lubricating oil on the axle bush product; Prior art adopts drilling machine and drilling die or punch press and perforating die ecto-entad on bearing shell drills or the punching oilhole referred to as outer punching; to be oilhole can form burr towards wearing layer being positioned at wearing layer and steel back layer junction to the drawback of outer punching; the burr or the flange that form at bearing shell inwall place 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; efficient is low; relying on skilled worker and quality conformance is difficult to guarantee; therefore, prior art exists working strength large; efficient is low; the problems and shortcomings that product property is difficult consistent.
Summary of the invention
Problems and shortcomings for above-mentioned prior art existence, the present invention adopts the device that is made of upper trimming die and lower punch die, wherein upper trimming die is by die shank, drift consists of, lower punch die is by the mould backup plate, the mould anvil, the drift guide block, lateral opening locating piece, the mesopore locating piece consists of, during work by the outside punching oilhole of the inwall of bearing shell, the flange of oilhole being formed on the outer wall of bearing shell is flanging, utilize the drilling machine spot-facing to strike off flanging, in addition, lateral opening locating piece, the mesopore locating piece is convenient to the technical scheme of a plurality of uniform oilholes of on bearing shell punching, the interior perforating die of a kind of heavy wool hole bearing shell is provided, by punching oilhole from inside to outside, utilize the 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 the reduction working strength, raise the efficiency, guarantee the conforming purpose 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 is made of die shank, drift, described die shank is the steel components of up-small and down-big cylinder step, the manhole that the center of die shank is provided with about connecting is called the drift placement hole, and the bottom big column step cylinder of die shank is provided with the screw that communicates 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 with screw drift is fixedly connected with die shank;
Described lower punch die is made of mould backup plate, anvil mould, drift guide block, lateral opening locating piece, mesopore locating piece, and described mould backup plate is the steel components of rectangular block shape; Described anvil mould is the steel components of rectangular block shape, the circular groove that the top center of anvil mould is provided with fore-and-aft direction is called the anvil groove, the manhole that the center of described anvil groove is provided with vertically downward is called punching, be provided with the downward-sloping inclined-plane that is used for fixing lateral opening locating piece between the left bead of described anvil groove and the left surface of anvil mould and be called constant inclined surface, described constant inclined surface is provided with screwed hole; Described drift guide block is the steel components of rectangular block shape, and the manhole that the center of drift guide block is provided with above-below direction is called guide hole, and drift guide block following is 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, is provided with the profile that the arc surface with the described anvil groove of anvil mould coincide below the described gulde edge; 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; Described mesopore locating piece is the steel components of rectangular block shape, and the front portion of mesopore locating piece is provided with by rotating the outer-hexagonal screw that can regulate upper-lower position and is called set screw;
The anvil mould is fixedly connected on the bottom of the front of mould backup plate; The drift guide block is fixedly connected on the precedence centre top of mould backup plate, is provided with between the described anvil groove of the following and anvil mould of drift guide block for the gap of inserting axle bush product to be called insert port; The dead in line of the described punching of the axis of the described guide hole of drift guide block and anvil mould; The mesopore locating piece be positioned at the left of drift guide block and be fixedly connected on the mould backup plate above, the described set screw of mesopore locating piece is positioned at the front of mould backup plate; 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 the anvil mould described constant inclined surface above, the described screwed hole that the described connecting hole that passes lateral opening locating piece with screw is screwed into the anvil mould is fixedly connected with lateral opening locating piece with the 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 and corresponding described punching at the anvil mould above;
The direction face of structure representation is divided into up, down, left, right, front, rear side, wherein, the front by in the face of the face of statement main body, the back is the face relative with described front.
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 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 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.
Because 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 the 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 that is made of upper trimming die and lower punch die, wherein upper trimming die is by die shank, drift consists of, lower punch die is by the mould backup plate, the mould anvil, the drift guide block, lateral opening locating piece, the mesopore locating piece consists of, during work by the outside punching oilhole of the inwall of bearing shell, the flange of oilhole being formed on the outer wall of bearing shell is flanging, utilize the drilling machine spot-facing to strike off flanging, lateral opening locating piece, the mesopore locating piece is convenient to the technical scheme of a plurality of uniform oilholes of on bearing shell punching, having overcome prior art exists working strength large, efficient 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 that provides, by punching oilhole from inside to outside, utilize the drilling machine spot-facing to strike off formed flanging, avoided the manual drawback that strikes off in-flanges, made the processing of bearing bush oil hole reach the reduction working strength, raise the efficiency, guarantee the conforming purpose of product property.
Description of drawings
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 the accompanying drawing the present invention is described in further detail, but should not be construed as any limitation of the invention.
Among the 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 is made of die shank 11, drift 12, described die shank 11 is the steel components of up-small and down-big cylinder step, the manhole that the center of die shank 11 is provided with about connecting is called the drift placement hole, and the bottom big column step cylinder of die shank 11 is provided with the screw that communicates 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 with screw drift 12 is fixedly connected with die shank 11;
Described lower punch die 2 is made of mould backup plate 21, anvil mould 22, drift guide block 24, lateral opening locating piece 25, mesopore locating piece 26, and described mould backup plate 21 is the steel components of rectangular block shape; Described anvil mould 22 is the steel components of rectangular block shape, the circular groove that the top center of anvil mould 22 is provided with fore-and-aft direction is called the anvil groove, the manhole that the center of described anvil groove is provided with vertically downward is called punching 23, be provided with the downward-sloping inclined-plane that is used for fixing lateral opening locating piece 25 between the left bead of described anvil groove and the left surface of anvil mould 22 and be called constant inclined surface, described constant inclined surface is provided with screwed hole; Described drift guide block 24 is the steel components of rectangular block shape, and the manhole that the center of drift guide block 24 is provided with above-below direction is called guide hole, and drift guide block 24 following is 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, is provided with the profile that the arc surface with the described anvil groove of anvil mould 22 coincide below the described gulde edge; 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; Described mesopore locating piece 26 is the steel components of rectangular block shape, and the front portion of mesopore locating piece 26 is provided with by rotating the outer-hexagonal screw that can regulate upper-lower position and is called set screw;
Anvil mould 22 is fixedly connected on the bottom of the front of mould backup plate 21; Drift guide block 24 is fixedly connected on the precedence centre top of mould backup plate 21, is provided with between the described anvil groove of the following and anvil mould 22 of drift guide block 24 for the gap of inserting axle bush product 01 to be called insert port; 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 is positioned at the front of mould backup plate 21; 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, the described screwed hole that the described connecting hole that passes lateral opening locating piece 25 with screw is screwed into anvil mould 22 is fixedly connected with lateral opening locating piece 25 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 and 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, the front by in the face of the face of statement main body, the back is the face relative with described front.
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 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 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) is made of die shank (11), drift (12), described die shank (11) is the steel components of up-small and down-big cylinder step, the manhole that the center of die shank (11) is provided with about connecting is called the drift placement hole, and the bottom big column step cylinder of die shank (11) is provided with the screw that communicates 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 with screw drift (12) is fixedly connected with die shank (11);
Described lower punch die (2) is made of mould backup plate (21), anvil mould (22), drift guide block (24), lateral opening locating piece (25), mesopore locating piece (26), and described mould backup plate (21) is the steel components of rectangular block shape; Described anvil mould (22) is the steel components of rectangular block shape, the circular groove that the top center of anvil mould (22) is provided with fore-and-aft direction is called the anvil groove, the manhole that the center of described anvil groove is provided with vertically downward is called punching (23), be provided with the downward-sloping inclined-plane that is used for fixing lateral opening locating piece (25) between the left surface of the left bead of described anvil groove and anvil mould (22) and be called constant inclined surface, described constant inclined surface is provided with screwed hole; Described drift guide block (24) is the steel components of rectangular block shape, the manhole that the center of drift guide block (24) is provided with above-below direction is called guide hole, and drift guide block (24) following is 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, is provided with the profile that the arc surface with the described anvil groove of anvil mould (22) coincide below the described gulde edge; 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; Described mesopore locating piece (26) is the steel components of rectangular block shape, and the front portion of mesopore locating piece (26) is provided with by rotating the outer-hexagonal screw that can regulate upper-lower position and is called set screw;
Anvil mould (22) is fixedly connected on the bottom of the front of mould backup plate (21); Drift guide block (24) is fixedly connected on the precedence centre top of mould backup plate (21), is provided with between the described anvil groove of the following and anvil mould (22) of drift guide block (24) for the gap of inserting axle bush product (01) to be called insert port; 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) is positioned at the front of mould backup plate (21); 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, the described screwed hole that the described connecting hole that passes lateral opening locating piece (25) with screw is screwed into anvil mould (22) is fixedly connected with lateral opening locating piece (25) with anvil mould (22);
Upper trimming die (1) is positioned at the top of lower punch die (2), the described drift (12) of upper trimming die (1) the slide described guide hole of the drift guide block (24) that is arranged in lower punch die (2) and the top of corresponding described punching (23) at anvil mould (22);
The direction face of structure representation is divided into up, down, left, right, front, rear side, wherein, the front by in the face of the face of statement main body, the back is the face relative with described front.
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 true CN103071724A (en) | 2013-05-01 |
| CN103071724B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583305A (en) * | 2016-02-26 | 2016-05-18 | 宁波轴瓦厂 | Device for preventing positional deviation of long hole of bearing bush |
| CN114101407A (en) * | 2021-11-30 | 2022-03-01 | 锦翔(宁波)轴瓦有限公司 | Many sizes forming device of ring shape axle bush |
Citations (7)
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|---|---|---|---|---|
| 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 |
| CN102240727A (en) * | 2011-06-12 | 2011-11-16 | 宁波轴瓦厂 | Inner punching die of bushing oil hole |
| 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 |
-
2012
- 2012-12-29 CN CN201210597162.9A patent/CN103071724B/en not_active Expired - Fee Related
Patent Citations (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 |
| CN102240727A (en) * | 2011-06-12 | 2011-11-16 | 宁波轴瓦厂 | Inner punching die of bushing oil hole |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583305A (en) * | 2016-02-26 | 2016-05-18 | 宁波轴瓦厂 | Device for preventing positional deviation of long hole of bearing bush |
| CN114101407A (en) * | 2021-11-30 | 2022-03-01 | 锦翔(宁波)轴瓦有限公司 | Many sizes forming device of ring shape axle bush |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103071724B (en) | 2014-11-26 |
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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 |