CN103157728B - A kind of device for erosion control bits bonding in diel - Google Patents
A kind of device for erosion control bits bonding in diel Download PDFInfo
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- CN103157728B CN103157728B CN201310094069.0A CN201310094069A CN103157728B CN 103157728 B CN103157728 B CN 103157728B CN 201310094069 A CN201310094069 A CN 201310094069A CN 103157728 B CN103157728 B CN 103157728B
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- 230000003628 erosive effect Effects 0.000 title claims abstract description 12
- 238000004080 punching Methods 0.000 claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 46
- 238000013016 damping Methods 0.000 claims abstract description 23
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 230000006698 induction Effects 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 13
- 238000005273 aeration Methods 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 238000007790 scraping Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 119
- 239000010410 layer Substances 0.000 description 33
- 239000007789 gas Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
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- 239000012535 impurity Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
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- 239000002699 waste material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a kind of device for erosion control bits bonding in diel, be applicable to the die-cut of coiled material, comprise the coiled material being positioned at mould and send into side, mutually be close to and two cylinders arranged up and down, described cylinder comprises the oil drum of closed at both ends and is located at resilient oil seepage layer outside oil drum, the periphery of oil drum is provided with some equally distributed oil seepage holes, one end of oil drum is connected with punching oil induction system by pipeline, flexible damping layer is also provided with between oil drum and oil seepage layer, the periphery of damping layer is provided with and is somely uniformly distributed and is embedded in the oil impregnate cylinder in oil seepage layer, the oil outlet of through damping layer inner surface is provided with in oil impregnate cylinder, and some joint-cuttings be communicated with oil outlet are set equably on the periphery of oil impregnate cylinder.The present invention can avoid rushing bits and be bonded on mould, thus can realize continuous cutting, and avoiding affects production efficiency because shutting down, and is conducive to extending the mold use life-span, improves the die-cut quality of product.
Description
The application is the divisional application of the application for a patent for invention being 201110413639.9 to application number, the applying date of original application: on December 13rd, 2011, the denomination of invention of original application: a kind of device avoiding stamping adhesion of stamping die
Technical field
The present invention relates to punch forming process technology, especially relate to a kind of erosion control for lithium battery pole slice accurate punching bits adhering device.
Background technology
Can produce in mould blanking process and a small amount of rush bits, and adhere on mould, particularly in the materials process of die-cut picture aluminium or aluminium alloy one class, because the temperature at die point place is very high, rushing of aluminium matter is considered very easily adhesion to be worth doing and is attached on mould, thus it is even damaged to cause converted products to produce burr, reduces the qualification rate of product.For such as the accurate punching of the aluminum alloy materials of lithium battery pole slice one class of electric automobile, the problems referred to above can be more outstanding.At present, people adopt following two kinds of modes to solve usually:
The first is intermittence cleaning mode, first allows equipment downtime, then disassembles mould, more manually cleans mould with non-dust cloth and punching oil.This mode can play the effect of certain cleaning mold, but, disassemble mould too frequently and can shorten the mold use life-span, reduce production efficiency, and if the number of times of disassembling of mould will be reduced, be then difficult to avoid the bonding of rushing bits, thus reduce the qualification rate of product.
The second optimizes Design of Dies, by increasing groove design in cutting edge portion, considering to be worth doing and accumulating gradually in mold groove portion, stoping metal fillings to be attached on mould from making punching blanking process.This mode can alleviate the impact that punching bits use mould, but fundamentally can not solve the problem of punching bits bonding.
Chinese patent literature discloses one " cleanable press machine ", the day for announcing is on August 1st, 2007, Authorization Notice No. is CN 101007449A, it arranges the guider be connected with drift on mould, when after punching molding certain hour, drift is out cleaned from decompressor lira along guider, waits after cleaning, then drift is resetted along guider.The program can be removed loaded down with trivial details mould from and be disassembled work; be conducive to extending the mold use life-span, but its cleaning procedure remains the clean of clearance-type, needs shutdown operation; therefore cannot avoid completely rushing the bonding of bits and the reduction of product percent of pass, and adverse influence is produced to production efficiency.
Summary of the invention
The present invention be in order to overcome existing for existing mould die cutting techniques rushing bits easily bonding, mould cleaning expense time and the low problem of production efficiency, provide a kind of and avoid rushing bits and bond and the device realizing continuous cutting.
To achieve these goals, the present invention is by the following technical solutions: a kind of device for erosion control bits bonding in diel, be applicable to the die-cut of coiled material, comprise the coiled material being positioned at mould and send into side, mutually be close to and two cylinders arranged up and down, described cylinder comprises the oil drum of closed at both ends and is located at resilient oil seepage layer outside oil drum, the periphery of oil drum is provided with some equally distributed oil seepage holes, one end of oil drum is connected with punching oil induction system by pipeline, flexible damping layer is also provided with between oil drum and oil seepage layer, the periphery of damping layer is provided with and is somely uniformly distributed and is embedded in the oil impregnate cylinder in oil seepage layer, the oil outlet of through damping layer inner surface is provided with in oil impregnate cylinder, and some joint-cuttings be communicated with oil outlet are set equably on the periphery of oil impregnate cylinder.
Of the present inventionly two cylinders up and down in the device of stamping adhesion of stamping die are avoided to be coated with one deck punching oil for the upper and lower surface of the writing that surpasses all the others material that liquidates, greatly can increase the greasy property of coiled material when punching molding, avoid the generation of rushing bits being easy to when dryness is die-cut occur, be conducive to improving die-cut quality.Especially; punching oil can play the effect of cold oil; add the greasy property that it is good; even if what make the coiled material being coated with punching oil create trace when punching molding rushes bits, also there will not be sintering phenomenon, wherein major part is rushed bits and can automatically be fallen; and rush on a small quantity bits be adsorbed on mould due to the absorption affinity of punching oil; and fall due to vibrations time die-cut, thus can avoid carrying out downtime to mould, effectively improve production efficiency.In addition, the coiled material being coated with punching oil also makes mould be easy to die-cut, thus is conducive to improving the mold use life-span, reduces the grinding number of times of cutting edge.Compared with the spray mode of cooling fluid common in processing with general machine cut, punching oil in the present invention progressively penetrates into oil seepage layer outer surface from oil drum, and then coat the upper and lower surface of coiled material equably by two cylinders, thus both equably punching oil can be coated the upper and lower surface of whole coiled material, the use amount of punching oil can be reduced again significantly, reduce production cost.Especially, punching oil can adopt high volatile volatile, low viscous essence punching oil, and coiled material surface is thin and uniform oil film can volatilize voluntarily and leave no trace, and therefore, the product after die-cut can avoid cleaning, decreases manufacturing procedure.In addition, punching oil is exuded in the oil seepage layer on top layer from joint-cutting after the oil outlet of oil impregnate cylinder, therefore the wall thickness of oil impregnate cylinder can be made to be less than the wall thickness of damping layer, thus when making damping layer be subject to the pressure of punching oil, oil impregnate cylinder can expand prior to damping layer and be oozed out by punching oil.Particularly, ooze out in process at punching oil, whole damping layer is without the need to expanding, and just a local of oil impregnate cylinder, among a small circle to the extruding of oil seepage layer, therefore can reduce the exudation pressure of punching oil significantly.And, damping layer can be arranged closeer multiple oil impregnate cylinder and its intensity can not be affected, joint-cutting on oil impregnate cylinder is then arranged on whole periphery, so can be conducive to improving evenly oozing out of punching oil, finally make clean coiled material homogeneous immersion, and avoid the waste that punching oil causes because of too much oozing out of local.
As preferably, described punching oil induction system comprises the oil storage tank of a sealing, and the top of oil storage tank is provided with compressed air inlet port, and the bottom of oil storage tank is provided with oil-out, and oil-out is connected with flow control valve and oil drum successively by pipeline.Punching oil of the present invention is by compressed air delivery, and the transport pump mode ratio of routine, greatly can simplify overall structure and the energy consumption of punching oil induction system.Flow control valve then can control the length of time of delivery and the size of flow of punching oil, thus realizes the accurate conveying of punching oil, avoids causing waste.
As preferably, the outer surface of described oil seepage layer is provided with the asperities be evenly arranged, thus can effectively avoid the punching oil being exuded to seepage layer surface to flow to the downside of cylinder because of the effect of gravity, and then can improve the uniformity of punching oil coating.Especially, asperities can make to produce a space between cylinder and coiled material, thus is conducive to the thickness ensureing oil film.
As preferably, be provided with backing roll in the side of cylinder away from mould and be mutually close to and be positioned at the clearer above backing roll, described clearer inner hollow, its outer circumference face is provided with equally spacedly some helical arrangement, flexiblely scrapes rib, and being provided with adsorption hole scraping between rib, one end of clearer is connected with vavuum pump by pipeline.Coiled material is between backing roll and clearer, and backing roll can be played a supporting role to coiled material, makes the coiled material entering two cylinders keep smooth.Especially, the rotation direction of the clearer above backing roll can be contrary with the moving direction of coiled material, and the impurity that coiled material surface adsorbs can be scraped from coiled material by the rib of scraping on clearer surface, and by adsorption hole sucking-off, to guarantee the clean of coiled material, be conducive to improving die-cut quality.
As preferably, the two ends of cylinder are respectively equipped with vertical guide rail, and the bearing block of idler pulley is connected with slide, and the downside of the bearing block at the cylinder two ends of its middle and lower part is provided with height adjusting screw; The upside of the bearing block at the cylinder two ends on top is provided with holddown spring, and the upper end of holddown spring is provided with the pressure adjusting bolt being close to holddown spring.Bearing block due to cylinder two ends is slidably connected on vertical guide rail, and therefore, the height of cylinder can be adjusted by height adjusting screw as required, makes it adapt to different mold heights, and then maintenance level of trying one's best when guaranteeing coiled material die-cut.Pressure adjusting bolt then adjustable holddown spring, to the pressure of bearing block, and then changes the pressure size between two cylinders as required.
As preferably, outside the patrix of mould, be provided with the aeration cleaning brush be connected with counterdie magnetic.Aeration cleaning brush is the brush with blowing nozzle that a lametta is made, its gap between upper die and lower die, and be fixed on counterdie by the mode of magnetic, thus be convenient to movement and the adjustment of its position, when patrix is descending, patrix contacts with aeration cleaning brush, and a small amount of trickle punching bits be adsorbed on patrix can be brushed from patrix by aeration cleaning brush, the gases at high pressure sprayed in blowing nozzle then can be blown off counterdie, thus keep the clean of mould.
Therefore, the present invention has following beneficial effect: can avoid rushing bits and be bonded on mould, thus can realize continuous cutting, and avoiding affects production efficiency because shutting down, and is conducive to extending the mold use life-span, improves the die-cut quality of product.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the schematic diagram of lift supporting structure in the present invention.
Fig. 3 is a kind of structural representation of intermediate roll of the present invention.
Fig. 4 is a kind of structural representation of clearer in the present invention.
Fig. 5 is a kind of structural representation of punching oil induction system in the present invention.
In figure: 1, cylinder 11, asperities 2, lift supporting structure 21, guide rail 22, bearing block 23 overhead gage 24, lower baffle plate 25, height adjusting screw 26, holddown spring 27, pressure adjusting bolt 28, compressing tablet 3, coiled material 42, oil drum 43, oil seepage hole 44, damping layer 443, oil impregnate cylinder 444, oil outlet 445, splitter box 49, oil seepage layer 5, punching oil induction system 51, oil storage tank 52, compressed air inlet port 53, oil-out 54, flow control valve 6, clearer 61, scrape rib 62, adsorption hole 7, backing roll 8, aeration cleaning brush 91, patrix 92, counterdie
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention will be further described.
As shown in Figure 1, a kind of device for erosion control bits bonding in diel of the present invention, it is applicable to the die-cut of coiled material, comprises the coiled material being positioned at mould and sends into two cylinders 1 of side level and carry the punching oil induction system 5(of punching oil see Fig. 5 to cylinder).Two cylinders are mutually close to and are arranged at coiled material 3 upper and lower surface coating punching oil up and down, the two ends of cylinder can adopt adjustable for height lift supporting structure 2, as shown in Figure 2, lift supporting structure comprises the guide rail 21 being arranged on cylinder two ends vertically, cylinder two ends form upper and lower being slidably connected for the bearing block 22 that supports and guide rail, the two ends up and down of guide rail are respectively equipped with overhead gage 23 and lower baffle plate 24, lower baffle plate on the downside of the bearing block being positioned at the cylinder two ends of bottom is provided with height adjusting screw 25, the upper end of height adjusting screw is withstood on the downside of the bearing block at cylinder two ends of bottom.When rotating height adjusting screw, the height of height adjusting screw changes thereupon, and then can drive the oscilaltion of bearing block at cylinder two ends of bottom.Then be provided with holddown spring 26 between the upside of the bearing block at the cylinder two ends on top and overhead gage, overhead gage is then provided with pressure adjusting bolt 27, the lower end of pressure adjusting bolt arranges compressing tablet 28 free to rotate, and holddown spring upper end is close to by this compressing tablet.The upper-lower position of adjustable compressing tablet when rotation pressure adjustment bolt, and then the elasticity of adjustment holddown spring is to change the pressure size between two cylinders.
In order to make the coating thickness of punching oil on coiled material suitable and even, cylinder in the present invention can adopt structure as shown in Figure 3, the center of cylinder is the stainless steel oil drum 42 of a closed at both ends, the periphery of oil drum is arranged some equally distributed oil seepage holes 43.The outermost of cylinder is provided with flexible oil seepage layer 49, and oil seepage layer can adopt microcellular rubber to make.The damping layer 44 be made up of silica gel is set between oil storage barrel and oil seepage layer, damping layer adopts single layer structure, the periphery of damping layer is provided with some oil impregnate cylinders 443 being uniformly distributed evagination, oil impregnate cylinder is embedded in the oil seepage layer of extexine, the oil outlet 444 of through damping layer inner surface is provided with in oil impregnate cylinder, and some joint-cuttings be communicated with oil outlet are set equably on the periphery of oil impregnate cylinder, the inner surface of damping layer is provided with the splitter box 445 being communicated with each oil outlet.The joint-cutting be arranged on oil impregnate cylinder can be 4-6 bar, and arranges along the axis of oil impregnate cylinder, is uniformly distributed, to make oozing out of punching oil more even on the periphery of oil impregnate cylinder simultaneously.In addition, the wall thickness of oil impregnate column part can be significantly less than the wall thickness of damping layer, generally can between 1-1.5 millimeter, thus make punching oil be easy to ooze out, and is conducive to the exudation pressure reducing punching oil.In addition, the bearing block at cylinder and two ends, for being rotationally connected, when coiled material is from when passing between two cylinders and move, can drive cylinder to rotate voluntarily.
In addition, can arrange at the outer surface of cylinder oil seepage layer the asperities 11 be evenly arranged, asperities can adopt the regular figure such as rhombus, regular hexagon, and it highly can be controlled between 0.3-0.6 millimeter, to guarantee the oil film thickness being applied to coiled material surface.
As shown in Figure 5, punching oil induction system 5 of the present invention comprises the oil storage tank 51 of a sealing, punching oil is filled with in oil storage tank, punching oil can adopt high-volatile essence punching oil, the top of oil storage tank is openable seal cover, thus facilitate the interpolation of punching oil, seal cover is provided with compressed air inlet port 52, the bottom of oil storage tank is provided with oil-out 53, compressed air inlet port is connected with compressed air pump (not shown) by pipeline, oil-out is then connected by the input port of pipeline with flow control valve 54, the delivery outlet of flow control valve is connected with oil drum by pipeline.Punching oil in oil storage tank flows out from the oil-out of bottom under compressed-air actuated promotion, enters in oil drum after flow control valve, by adjusting uninterrupted and the opening/closing time of flow control valve, accurately can control the output quantity of punching oil.Entering in oil drum the punching oil with certain pressure makes resilient damping layer expand, tiny oil impregnate outlet in decussation on damping layer is opened, namely punching oil is adsorbed by the oil seepage layer of extexine, for the coating to coiled material by the outlet of tiny oil impregnate.
Further, as shown in Figure 1, be provided with the backing roll 7 of level in the side of cylinder away from mould and be positioned at the clearer 6 be close to above backing roll and with it and can rotated voluntarily.As shown in Figure 4, clearer inner hollow, what its outer circumference face is provided with equally spacedly four helical arrangement scrapes rib 61, scraping rib can adopt rubber elastomeric material to make, clearer is provided with the adsorption hole 62 be communicated with the inside of hollow scraping the gap between rib, one end of clearer is then connected with vavuum pump (not shown) by pipeline, and the rotation direction of clearer is contrary with the moving direction of coiled material.In order to the matched of the height and cylinder that make backing roll, backing roll and clearer two ends can adopt the adjustable for height lift supporting structure identical with cylinder, thus are conducive to the flat support of coiled material.
Especially, as shown in Figure 1, at the patrix 91 arranged outside aeration cleaning brush 8 of mould, aeration cleaning brush comprises a support and is connected to the annular gas pipe of frame upper, annular gas pipe is trapped among the outside of patrix, and be provided with some equally distributed blowing nozzles near patrix side, the bottom of support is provided with magnetic attracting device, can be fixed on quickly and easily on counterdie 92, the surface of annular gas pipe is provided with intensive lametta, make it form brush and sac like, connect compressed air hose in one end of annular gas pipe simultaneously.In addition, annular gas pipe can be made up of soft rubber tube, with can according to different patrix alteration of form shapes, thus and maintain a certain distance between patrix, guarantee the cleaning action to patrix.
Of the present invention when avoiding the device busy of stamping adhesion of stamping die, first by adjustment lift supporting structure, easily coiled material flatly can be supported, and keep the height identical with counterdie, to be conducive to punching molding.Need die-cut coiled material first through backing roll and clearer, now the contrary rotation of the translation direction of coiled material done in by clearer, four of being close on the clearer on coiled material scrape rib and are struck off by the impurity such as bits that rush fallen at coiled material upper surface, and are siphoned away by adsorption hole.Scrape rib formed on the upper side face of coiled material many with the translation direction of coiled material at an angle and the continuous scratch be connected side by side, thus can striking off completely impurity be guaranteed.
Coiled material through clearer preliminary clean after enter between upper and lower two cylinders, owing to having certain pressure between upper and lower two cylinders, therefore, coiled material moving horizontally when die-cut can drive the rotation voluntarily of two cylinders.And namely the punching oil being exuded to outer surface of cylinder can be used for soaked rolls surface.Because cylinder surface is provided with asperities, therefore, between cylinder and coiled material, have a very little gap, thus can guarantee that the oil film being adsorbed on coiled material surface has certain thickness.
Through coiled material that punching oil soaks when entering mould inside and carrying out die-cut, due to the greasy property that punching oil is good, can avoid when making die-cut rushing bits generation or only produce minute quantity rush bits.The cooling effect of punching oil and lubrication are then a small amount of rush bits and can not be bonded in because of sintering on mould, when patrix is descending carry out die-cut time, patrix and aeration cleaning brush rub, thus the bits that rush at patrix cutting edge place are wiped, a small amount of punching bits on mould then can blow clean by the gases at high pressure sprayed in blowing nozzle, eliminate the impact of punching bits on die-cut quality, ensure that the continuity of punching molding.
Claims (6)
1. the device for erosion control bits bonding in diel, be applicable to the die-cut of coiled material, it is characterized in that, comprise the coiled material (3) being positioned at mould and send into side, mutually be close to and two cylinders (1) of arranging up and down, described cylinder comprises the oil drum (42) of closed at both ends and is located at resilient oil seepage layer (49) outside oil drum, the periphery of oil drum is provided with some equally distributed oil seepage holes (43), one end of oil drum is connected with punching oil induction system (5) by pipeline, flexible damping layer (44) is also provided with between oil drum and oil seepage layer, the periphery of damping layer is provided with and is somely uniformly distributed and is embedded in the oil impregnate cylinder (443) in oil seepage layer, the oil outlet (444) of through damping layer inner surface is provided with in oil impregnate cylinder, and some joint-cuttings be communicated with oil outlet are set equably on the periphery of oil impregnate cylinder.
2. a kind of device for erosion control bits bonding in diel according to claim 1, it is characterized in that, described punching oil induction system comprises the oil storage tank (51) of a sealing, the top of oil storage tank is provided with compressed air inlet port (52), the bottom of oil storage tank is provided with oil-out (53), and oil-out is connected with flow control valve (54) and oil drum successively by pipeline.
3. a kind of device for erosion control bits bonding in diel according to claim 1, it is characterized in that, the outer surface of described oil seepage layer is provided with the asperities (11) be evenly arranged.
4. a kind of device for erosion control bits bonding in diel according to claim 1, it is characterized in that, be provided with backing roll (7) in the side of cylinder away from mould and be mutually close to and be positioned at the clearer (6) above backing roll, described clearer inner hollow, its outer circumference face is provided with equally spacedly some helical arrangement, flexiblely scrapes rib (61), and being provided with adsorption hole (62) scraping between rib, one end of clearer is connected with vavuum pump by pipeline.
5. a kind of device for erosion control bits bonding in diel according to claim 1 or 2 or 3 or 4, it is characterized in that, the two ends of cylinder are respectively equipped with vertical guide rail (21), the bearing block (22) of idler pulley is connected with slide, and the downside of the bearing block at the cylinder two ends of its middle and lower part is provided with height adjusting screw (25); The upside of the bearing block at the cylinder two ends on top is provided with holddown spring (26), and the upper end of holddown spring is provided with the pressure adjusting bolt (27) being close to holddown spring.
6. a kind of device for erosion control bits bonding in diel according to claim 1 or 2 or 3 or 4, is characterized in that, be provided with in patrix (91) outside of mould the aeration cleaning brush (8) be connected with counterdie (92) magnetic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310094069.0A CN103157728B (en) | 2011-12-13 | 2011-12-13 | A kind of device for erosion control bits bonding in diel |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310094069.0A CN103157728B (en) | 2011-12-13 | 2011-12-13 | A kind of device for erosion control bits bonding in diel |
| CN 201110413639 CN102451871B (en) | 2011-12-13 | 2011-12-13 | Device capable of avoiding punching scrap bonding of stamping die |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110413639 Division CN102451871B (en) | 2011-12-13 | 2011-12-13 | Device capable of avoiding punching scrap bonding of stamping die |
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| Publication Number | Publication Date |
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| CN103157728A CN103157728A (en) | 2013-06-19 |
| CN103157728B true CN103157728B (en) | 2015-10-28 |
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| CN 201110413639 Active CN102451871B (en) | 2011-12-13 | 2011-12-13 | Device capable of avoiding punching scrap bonding of stamping die |
| CN201310094069.0A Active CN103157728B (en) | 2011-12-13 | 2011-12-13 | A kind of device for erosion control bits bonding in diel |
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| CN 201110413639 Active CN102451871B (en) | 2011-12-13 | 2011-12-13 | Device capable of avoiding punching scrap bonding of stamping die |
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| CN106493788B (en) * | 2016-12-09 | 2023-06-13 | 重庆有为塑胶有限公司 | Continuous punching device for pipe |
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| CN101007449A (en) * | 2006-01-27 | 2007-08-01 | Ptm包装工具机器私人有限公司 | Cleanable press machine |
| CN1923399A (en) * | 2006-09-19 | 2007-03-07 | 重庆前卫仪表厂 | Automatic lubricating device for stamping die |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103157728A (en) | 2013-06-19 |
| CN102451871B (en) | 2013-08-28 |
| CN102451871A (en) | 2012-05-16 |
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Effective date of registration: 20211111 Address after: 311215 No. 855, Jianshe Second Road, economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Wanxiang 123 Co., Ltd Address before: 311215 No. 118, Jianshe Second Road, Xiaoshan Economic and Technological Development Zone, Hangzhou, Zhejiang Patentee before: Wanxiang Electric Vehicle Co., Ltd Patentee before: Wanxiang Group Co., Ltd |