CN103433358B - Hardware mould special for steel part deep hole punching - Google Patents
Hardware mould special for steel part deep hole punching Download PDFInfo
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- CN103433358B CN103433358B CN201310360132.0A CN201310360132A CN103433358B CN 103433358 B CN103433358 B CN 103433358B CN 201310360132 A CN201310360132 A CN 201310360132A CN 103433358 B CN103433358 B CN 103433358B
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- die
- needle
- red needle
- plate
- stripper
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Abstract
The invention discloses a hardware mould special for steel part deep hole punching. The hardware mould comprises an upper mould, a lower mould and a guide mechanism. The lower mould comprises a concave mould component and a lower mould base. The upper mould comprises punching needles, a discharging plate and an upper mould base. The punching needles are arranged on the upper mould base, the discharging plate is provided with guide holes matched with the punching needles, and the concave mould component comprises a concave mould core and a concave mould fastening ring. The concave mould fastening ring is fixedly arranged on the lower mould base, and the concave mould core is inlaid in the concave mould fastening ring. The discharging plate is provided with an ejection block for pressing and stabilizing a steel part, a guide face is arranged on the ejection block, the guide face extends downwards along the hole walls of the guide holes, a plurality of punching needles are arranged, the back faces of the punching needles are attached to the guide face for guidance, each punching needle comprises a needle head and a needle body, the needle heads transit to the needle bodies through inclined faces, the needle bodies are matched with the guide holes, and when the needle heads are located in the punching positions, the needle bodies are located in the guide holes. The hardware mould has the advantages of being simple in structure, low in cost, and long in service life.
Description
Technical field
The present invention relates to a kind of hardware dies, particularly a kind of steel components rushes the special hardware dies of deep hole.
Background technology
In recent years, along with the fast development of automobile industry, air conditioning for automobiles industry also and then increases fast, and the demand of air-conditioning spare and accessory parts also increases fast.Therefore, for air conditioning for automobiles spare and accessory parts producer, or improve production capacity, raise the efficiency, and promote production production capacity and need to drop into a large amount of fund purchase of equipment and employ artificial, enterprise is all difficult to bear mostly, and enhances productivity and comparatively easily to realize concerning most enterprises.Enhance productivity normally to improve from production technology and production equipment and set about, and hardware dies is main process equipment, design more reasonable structure, life-span longer hardware dies and seem most important.
Steel components used for automobile air conditioning, product hardness is higher, and the size of product is also less, punching difficulty is large, especially deep hole (draw ratio in hole is greater than 1.0) processing, red needle tipping is very easily caused to rupture, for solving this problem, prior art have employed the technical scheme of single needle circulation punching, a red needle is only set, after having rushed a hole, first carry out reorientating and then rush next hole, this solution ensure when rushing each hole and can make registration, avoid the problem thrusting pin, and single needle punching, the load of stamping machine is little, can the stamping machine of selection of small tonnage.But easily misplace when also above-mentioned reason causes hole machined just, need repeatedly to repair detection, when there is multiple hole, working (machining) efficiency is very low, the various problems existed when the hardware dies therefore needing a kind of improvement badly is to solve existing steel components deep hole machining.
Summary of the invention
Technical problem to be solved by this invention be to overcome above-mentioned the deficiencies in the prior art and a kind of accurate positioning is provided, working (machining) efficiency is high, structure is simple and easy to use steel components rushes the special hardware dies of deep hole.
For solving the problems of the technologies described above, present invention employs following technical scheme:
A kind of steel components rushes the special hardware dies of deep hole, comprise upper die and lower die and guiding mechanism, counterdie comprises die assembly and die shoe, patrix comprises red needle, stripper and upper bolster, red needle is arranged on upper bolster, and stripper is provided with the pilot hole suitable with red needle, and die assembly comprises die plate insert and die collar, die collar is fixedly mounted on die shoe, and die plate insert is embedded in die collar; Stripper is provided with and compresses and the jacking block of firm steel components, and jacking block is provided with spigot surface, and spigot surface extends downwards along the hole wall of pilot hole; Red needle is multiple, and the back side of red needle and spigot surface are fitted and led, and red needle comprises syringe needle and the needle body, syringe needle by chamfered transition to the needle body, the needle body and pilot hole suitable, when syringe needle is in punching position, the needle body is positioned at pilot hole.
Technique scheme can also be perfect further by following technical measures:
Red needle is two groups and distributes in the form of a ring respectively, two groups of opposing settings of red needle, and jacking block has inside and outside two spigot surfaces, and inside and outside two spigot surfaces are fitted with the back side of two groups of red needles respectively and led.Die plate insert is made up of high strength hardware dies steel, and die collar is made up of No. 45 medium carbon steel.Be provided with the positive stop limiting patrix stroke between upper die and lower die, positive stop is fixedly mounted on stripper.Die plate insert is provided with the support rim protruded upward, on the bottom surface that support rim is conflicted on steel components.Upper bolster comprises Gu Gongban, upper padding plate and upper base plate, and red needle is arranged on solid public plate, and the bottom of red needle is pressed on upper padding plate, Gu be provided with the main elastic component promoting stripper and reset between public plate and stripper.Upper bolster also comprises filling device, filling device comprises knockout rod and knockout plate, and knockout plate is located at above upper padding plate, and upper padding plate is provided with tolerant hole, knockout rod passes tolerant hole and on the position of conflict corresponding jacking block on stripper, is provided with secondary elastic component between knockout plate and upper base plate.Gu public plate is also provided with guide rod, stripper is provided with upper guide bush, die collar is provided with lower guide pin bushing, guide rod passes upper guide bush and coordinates with lower guide pin bushing activity and leads.Die shoe comprises lower bolster and lower seat board, and lower bolster is arranged on lower seat board, and die collar is arranged on lower bolster.Hardware dies is exclusively used in the kidney-shaped deep hole of processing automobile idle call steel components, and the hole depth of kidney-shaped deep hole is greater than 5mm, and hole depth is more than 1.2 times of red needle thickness, and two groups of red needles are that after overall turnery processing, linear cutter is divided into single red needle and makes again.
Owing to have employed above technical scheme, the present invention has following technique effect:
The present invention is provided with multiple red needle, can once complete multiple punching, when hole on steel components, can significantly improve production efficiency.Because the present invention is optimized the structure of red needle, and adopt and integrally shape the processing method separated again and make, significantly improve intensity and the uniformity of red needle, stripper arranges pilot hole and jacking block, jacking block arranges spigot surface, improve positioning precision during the descending punching of red needle, fit and further increase the bend resistance ability of red needle in the back side of spigot surface and red needle simultaneously, ensure that the intensity of positioning precision when simultaneously rushing multiple hole and red needle.
Die plate insert of the present invention is for being inlaid in die collar, die plate insert and die collar adopt different materials processing, under the prerequisite not improving die cost, can improve the intensity of die plate insert, reduce the cost of die collar, the size of die plate insert is little simultaneously, and be easier to processing, dimensioned precision can improve further, when porous is rushed in further guarantee simultaneously, positioning precision and the support strength of steel components are also improved, and the punching positioning precision of red needle is improved, and die life is longer.In addition, the spigot surface on jacking block is along pilot hole to downward-extension, and the two time processing is shaped, and makes the positioning precision of red needle higher, and when also further ensuring discharging, jacking block can not produce active force to red needle and causes red needle to rupture.
The present invention also has the advantage that structure is simple, cost is low.
Accompanying drawing explanation
Fig. 1 is the general assembly structural representation of hardware dies of the present invention.
Fig. 2 is the structural representation of steel components.
Fig. 3 is the structural representation of die assembly.
Fig. 4 is the structural representation of stripper.
Fig. 5 is processing red needle blank structure schematic diagram.
Fig. 6 is the red needle structural representation machined.
Description of reference numerals:
1. patrix; 2. counterdie; 3. guiding mechanism; 4. steel components; 101. upper bolster; 102. upper padding plate; 103. red needle; 104. solid public plates; 105. stripper; 106. positive stop; 107. main elastic components; 108. upper guide bush; 109. guide rod; 110. knockout plate; 111. knockout rod; 112. secondary elastic components; 201. die shoe; 202. lower bolster; 203. die collars; 204. die plate insert; 205. times guide pin bushings; 401. outer shroud deep holes; 402. inner ring deep holes; 1031. outer shroud red needle; 1032. inner ring red needle.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further details:
As Fig. 1, shown in Fig. 2, a kind of steel components of the present embodiment rushes the special hardware dies of deep hole, this steel components can be compressor belt pulley, suckers etc. need the part of punching, steel components in the present embodiment is belt pulley, hardware dies comprises patrix 1, counterdie 2 and guiding mechanism 3, guiding mechanism 3 is arranged between patrix 1 and counterdie 2, for patrix 1 descending time guiding is provided, ensure the overall position stability of mould, counterdie 2 comprises die assembly and die shoe 201, patrix 1 comprises red needle 103, stripper 105 and upper bolster 101, red needle 103 is arranged on upper bolster 101, stripper 105 is provided with the pilot hole suitable with red needle, die assembly comprises die plate insert 204 and die collar 203, die collar 203 is fixedly mounted on die shoe 201, die plate insert 204 is embedded in die collar 203, stripper 105 is provided with and compresses and the jacking block of firm steel components 4, and jacking block is provided with spigot surface, and spigot surface extends downwards along the hole wall of pilot hole, red needle 103 is multiple, and the back side of red needle 103 and spigot surface are fitted and led.
Hardware dies in the present embodiment is exclusively used in the processing of the kidney-shaped deep hole of steel components 4 used for automobile air conditioning, the hole depth of kidney-shaped deep hole is greater than 5mm, and deep hole is the hole that the width of finger-hole or diameter are less than hole depth, as shown in Figure 2, size H is more than 1.2 times of dimension D, is 1.5 times of dimension D for the present embodiment size H.
Die assembly as shown in Figure 3 comprises die plate insert 204 and die collar 203, die plate insert 204 is embedded in die collar 203 with certain magnitude of interference, die plate insert 204 and die collar 203 adopt different materials processing, die plate insert 204 is made up of high strength hardware dies steel, die collar 203 is made up of No. 45 medium carbon steel, and die plate insert 204 adopts the manufacture of Cr12Mov material in the present embodiment.Under the prerequisite not improving die cost, improve the intensity of die plate insert 204, reduce the cost of die collar 203, the size of die plate insert 204 is suitable simultaneously, and be easier to processing, dimensioned precision can improve further, when porous is rushed in further guarantee simultaneously, positioning precision and the support strength of steel components 4 are also improved, and the punching positioning precision of red needle is improved, and die life is longer.Die shoe 201 comprises lower bolster 202 and lower seat board, and lower bolster 202 is arranged on lower seat board, and die collar 203 is arranged on lower bolster 202.Die plate insert 204 is provided with the support rim protruded upward, and support rim is conflicted on bottom surface on steel components 4, is provided with keeper in the middle part of die plate insert 204, and the locating hole on keeper and steel components 4 cooperatively interacts, and realizes the location to steel components 4.
As Fig. 1, shown in Fig. 5 and Fig. 6, red needle is two groups and distributes in the form of a ring respectively, often organize red needle 6, two groups of red needles are respectively inner ring red needle 1032 and outer shroud red needle 1031, on outer shroud red needle 1031 and steel components, outer shroud deep hole 401 is corresponding, inner ring deep hole 402 on inner ring red needle 1032 and steel components is corresponding, inner ring red needle 1032 and the opposing setting of outer shroud red needle 1031, jacking block have inside and outside two spigot surfaces, the back side of inner side spigot surface and inner ring red needle fits into inner ring red needle 1032 provides guiding, the back side of outer guide surface and outer shroud red needle 1031 fits into outer shroud red needle provides guiding.Red needle comprises syringe needle and the needle body, and syringe needle is by chamfered transition to the needle body, and the needle body is greater than the size of syringe needle, intensity is also greater than syringe needle, the needle body and pilot hole suitable, when syringe needle is in punching position, the needle body is positioned at pilot hole, thus ensures the punching stability of whole red needle, prevents red needle from breaking.Upper bolster 101 comprises solid public plate 104, upper padding plate 102 and upper base plate, and red needle 103 is arranged on solid public plate 104, and the bottom of red needle 103 is pressed on upper padding plate 102, and the root of red needle 103 is provided with for fixing tailgate, and tailgate is embedded in solid public plate 104.
As shown in Figure 5 and Figure 6, two groups of red needles 103 for after overall turnery processing again linear cutter be divided into single red needle 103 and make, namely first go out the blank shown in Fig. 5 by turnery processing, then at further linear cutter, be partitioned into single red needle, finally fine finishining further again.This processing mode improves the dimensional uniformity of red needle, and often group red needle can form the annular completely corresponding with deep hole on steel components 4, can not produce dislocation, in punch process, also can not there is the problem of discontinuity equalization between red needle, improve the service life of red needle further.
As shown in Figure 1 and Figure 4, stripper 105 is provided with pilot hole and jacking block, jacking block is provided with inside and outside two spigot surfaces, jacking block is directly processed by stripper 105, spigot surface on jacking block is along pilot hole to downward-extension, and the two time processing is shaped, and makes the positioning precision of red needle 103 higher, ensure that the perpendicularity of whole jacking block, during discharging, jacking block can not produce active force to red needle 103 and causes red needle 103 to rupture.Gu be provided with the main elastic component 107 promoting stripper 105 and reset between public plate 104 and stripper 105.Upper bolster 101 also comprises filling device, filling device comprises knockout rod 111 and knockout plate 110, knockout plate 110 is located at above upper padding plate 102, upper padding plate 102 is provided with tolerant hole, knockout rod 111 is through tolerant hole and on the position of on the stripper 105 corresponding jacking block of conflicting, secondary elastic component is provided with between knockout plate 110 and upper base plate, main elastic component 107 and secondary elastic component can be spring or rubber parts, rubber parts is adopted in the present embodiment, knockout rod 111 and knockout plate 110 can be wholely set, also split can arrange, have employed split in the present embodiment and arrange.The setting of filling device, in order to improve the stability of equilibrium of device for discharging further, prevents the unbalance red needle 103 that causes of stripper 105 in discharge process from rupturing.
Also be provided with the positive stop 106 limiting patrix stroke between patrix 1 and counterdie 2, positive stop 106 is fixedly mounted on stripper 105, and when positive stop 106 contacts with counterdie, patrix stops downward movement.Gu public plate 104 is also provided with guide rod 109, stripper 105 is provided with upper guide bush 108, die collar 203 is provided with lower guide pin bushing 205, guide rod 109 passes upper guide bush 108 and coordinates with lower guide pin bushing 205 activity and leads.Owing to arranging this guide rod 109 and upper and lower guide pin bushing 205, further increase the positioning precision between stripper 105 and die assembly, prevent from producing dislocation during red needle 103 punching, fracture red needle 103.
In the course of the work, the first contact part of stripper, then stripper extrudes main elastic component and secondary resilient member deforms, and the jacking block of stripper compresses workpiece under the effect of major-minor elastic component elastic force, and workpiece is fixedly positioning in the present invention.After stripper props up workpiece, patrix continues descending, stripper keeps static, red needle carries out punching with patrix is descending under the guiding of pilot hole and spigot surface, after punching completes, patrix moves upward, and red needle moves upward disengaging workpiece under the guiding of pilot hole and spigot surface, last stripper departs from workpiece, completes the punching operation of one-period.
The above embodiment of the present invention is only preferred version of the present invention, and those skilled in the art is on the basis of technique scheme, and that carries out all belongs to scope of patent protection of the present invention without substantial change, implements formation to encroach right.
Claims (8)
1. a steel components rushes the special hardware dies of deep hole, comprise upper die and lower die and guiding mechanism, described counterdie comprises die assembly and die shoe, described patrix comprises red needle, stripper and upper bolster, and described red needle is arranged on upper bolster, and stripper is provided with the pilot hole suitable with red needle, it is characterized in that, described die assembly comprises die plate insert and die collar, and die collar is fixedly mounted on die shoe, and die plate insert is embedded in die collar; Described stripper is provided with and compresses and the jacking block of firm steel components, and jacking block is provided with spigot surface, and spigot surface extends downwards along the hole wall of pilot hole; Described red needle is multiple, and the back side of red needle and spigot surface are fitted and led, and red needle comprises syringe needle and the needle body, syringe needle by chamfered transition to the needle body, the needle body and pilot hole suitable, when syringe needle is in punching position, the needle body is positioned at pilot hole; Described red needle is two groups and distributes in the form of a ring respectively, two groups of opposing settings of red needle, and described jacking block has inside and outside two spigot surfaces, and inside and outside two spigot surfaces are fitted with the back side of two groups of red needles respectively and led; Described two groups of red needles are that after overall turnery processing, linear cutter is divided into single red needle and makes again.
2. steel components according to claim 1 rushes the special hardware dies of deep hole, it is characterized in that, described die plate insert is made up of high strength hardware dies steel, and described die collar is made up of No. 45 medium carbon steel.
3. steel components according to claim 1 rushes the special hardware dies of deep hole, it is characterized in that, be provided with the positive stop limiting patrix stroke between described upper die and lower die, positive stop is fixedly mounted on stripper.
4. steel components according to claim 2 rushes the special hardware dies of deep hole, it is characterized in that, described die plate insert is provided with the support rim protruded upward, and described support rim is conflicted on the bottom surface of steel components.
5. steel components according to claim 1 rushes the special hardware dies of deep hole, it is characterized in that, described upper bolster comprises Gu Gongban, upper padding plate and upper base plate, described red needle is arranged on solid public plate, the bottom of red needle is pressed on upper padding plate, the described solid elastic component being provided with promotion stripper between public plate and stripper and resetting.
6. steel components according to claim 5 rushes the special hardware dies of deep hole, it is characterized in that, described upper bolster also comprises filling device, filling device comprises knockout rod and knockout plate, knockout plate is located at above upper padding plate, upper padding plate is provided with tolerant hole, and knockout rod passes tolerant hole and on the position of conflict corresponding jacking block on stripper, is provided with elastic component between knockout plate and upper base plate.
7. steel components according to claim 5 rushes the special hardware dies of deep hole, it is characterized in that, described solid public plate is also provided with guide rod, stripper is provided with upper guide bush, die collar is provided with lower guide pin bushing, and guide rod passes upper guide bush and coordinates with lower guide pin bushing activity and leads.
8. steel components according to claim 1 rushes the special hardware dies of deep hole, it is characterized in that, described die shoe comprises lower bolster and lower seat board, and lower bolster is arranged on lower seat board, and die collar is arranged on lower bolster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310360132.0A CN103433358B (en) | 2013-08-19 | 2013-08-19 | Hardware mould special for steel part deep hole punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310360132.0A CN103433358B (en) | 2013-08-19 | 2013-08-19 | Hardware mould special for steel part deep hole punching |
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| Publication Number | Publication Date |
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| CN103433358A CN103433358A (en) | 2013-12-11 |
| CN103433358B true CN103433358B (en) | 2015-05-13 |
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| CN201310360132.0A Expired - Fee Related CN103433358B (en) | 2013-08-19 | 2013-08-19 | Hardware mould special for steel part deep hole punching |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103752682A (en) * | 2014-01-03 | 2014-04-30 | 石嘴山市鼎力支护设备有限公司 | Punching die for hole systems of steel channels of longitudinal beams of intermediate frames of conveyors |
| CN104162592A (en) * | 2014-07-16 | 2014-11-26 | 苏州市天烨机械工程有限公司 | Punching type punching head structure |
| CN104226793A (en) * | 2014-09-17 | 2014-12-24 | 赣州鑫冠电子科技有限公司 | Special punching head for mobile phone accessories |
| CN107234173A (en) * | 2017-06-05 | 2017-10-10 | 昆山钣源冲压技术有限公司 | A kind of special hardware dies in steel components scouring depth hole |
| CN107234170A (en) * | 2017-06-05 | 2017-10-10 | 昆山钣源冲压技术有限公司 | A kind of contractile hardware dies of red needle |
| CN109201872A (en) * | 2017-07-01 | 2019-01-15 | 青岛海尔模具有限公司 | A kind of close hole forming method |
| CN112339011A (en) * | 2020-10-12 | 2021-02-09 | 东莞中集专用车有限公司 | Punching forming equipment |
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| JPH105892A (en) * | 1996-06-14 | 1998-01-13 | Furuya Katsuhito | Progressive feed press die used for manufacturing ultra-fine lead parts, and work used for manufacturing the lead parts |
| CN201728265U (en) * | 2010-07-05 | 2011-02-02 | 上海德朗汽车零部件制造有限公司 | All aluminum water chamber edge trimming mold for air conditioners |
| CN102284635A (en) * | 2011-09-07 | 2011-12-21 | 安徽中鼎精工技术有限公司 | Gasket fine blanking die for common punch press |
| CN202461279U (en) * | 2011-11-29 | 2012-10-03 | 南车洛阳机车有限公司 | Composite die applied for processing short small flanging gasket type component |
| CN102974715A (en) * | 2012-12-24 | 2013-03-20 | 桂林福达股份有限公司 | Optimized stamping process of DST structure cover |
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2013
- 2013-08-19 CN CN201310360132.0A patent/CN103433358B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH105892A (en) * | 1996-06-14 | 1998-01-13 | Furuya Katsuhito | Progressive feed press die used for manufacturing ultra-fine lead parts, and work used for manufacturing the lead parts |
| CN201728265U (en) * | 2010-07-05 | 2011-02-02 | 上海德朗汽车零部件制造有限公司 | All aluminum water chamber edge trimming mold for air conditioners |
| CN102284635A (en) * | 2011-09-07 | 2011-12-21 | 安徽中鼎精工技术有限公司 | Gasket fine blanking die for common punch press |
| CN202461279U (en) * | 2011-11-29 | 2012-10-03 | 南车洛阳机车有限公司 | Composite die applied for processing short small flanging gasket type component |
| CN102974715A (en) * | 2012-12-24 | 2013-03-20 | 桂林福达股份有限公司 | Optimized stamping process of DST structure cover |
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| CN103433358A (en) | 2013-12-11 |
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