CN103633287A - Roller type punching machine and roller type punching method - Google Patents
Roller type punching machine and roller type punching method Download PDFInfo
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- CN103633287A CN103633287A CN201310376135.3A CN201310376135A CN103633287A CN 103633287 A CN103633287 A CN 103633287A CN 201310376135 A CN201310376135 A CN 201310376135A CN 103633287 A CN103633287 A CN 103633287A
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- roll
- roller
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0435—Rolling or calendering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Press Drives And Press Lines (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention provides a roller type punching machine and a roller type punching method, wherein a bender which is arranged outside a main bearing box is used for correcting bump-shaped projections of hot projections on a roller. According to the roller type punching machine, punching machining which is performed by the roller type punching machine is a positioned punching manner, and a bending force is applied on outside of the main bearing box in a direction which is same with the direction of a punching load. For an example, on condition that roller bending generated by a reaction force of material cannot counteract the hot projection on a heating roller when punching machining by means of a pair of heating rollers is performed, and the roller shape formed by the hot projection is corrected through adjusting the load generated by a mechanism which applies the loads on a bent bearing box that is configured outside the main bearing box.
Description
Technical field
The present invention relates to roll-type stamping machine and roll-type process for stamping, relate in particular to the roll-type stamping machine and the roll-type process for stamping that use warm-up mill to carry out hot pressing processing.
Background technology
Roll-type stamping machine is for the compression process of the electrode for secondary battery material of continuous sheet etc.In addition, in the shaping of electrode for secondary battery material etc., with in roll-type stamping machine, carry out hot pressing processing.The warm-up mills such as drill bit roller are used in hot pressing processing.
Warm-up mill is sometimes because the heating of self causes thermal expansion.And warm-up mill produces Temperature Distribution due to the heat release of the contact-making surface from outside atmosphere in roller inside sometimes.The temperature that this Temperature Distribution forms roller end face is low.Due to the temperature difference of the Temperature Distribution based on roller Width (roll shaft to), it is poor that the thermal expansion amount of warm-up mill produces on roller Width, and central portion is large, and both ends are little.Therefore, warm-up mill produces the thermal deformation (producing heat protuberance) of protruding projecting shape sometimes.
Countermeasure as corresponding with these heat protuberances, for example, have the technology that patent documentation 1 is recorded.In patent documentation 1, recorded with heat-insulating material and covered the axial both ends of the surface of roller and suppress the heat release from both ends of the surface, the axial Temperature Distribution by roller inside becomes evenly, reduces heat and swells generation.
On the other hand, in the compression process at secondary cell with electromagnetic material etc., the required thickness required precision after the compression process of material is tighter, for example, be ± 2 μ m left and right, in recent years, more expects high precision int (± 1～2 μ m).Therefore,, as recorded in patent documentation 2, by utilizing the bending of the roller that bending correction mechanism causes the reaction force by being subject to from material in when compression to revise, suppress the uneven thickness of the Width of material, thereby process accurately.
Prior art document
Patent documentation 1: TOHKEMY 2005-288535 communique
Patent documentation 2: No. 3937561 communique of Japan Patent
By apply heat-insulating material at roller end face as described in patent documentation 1, can, than not having the occasion of heat-insulating material to reduce thermal discharge, but be difficult to make heat release, be zero.Therefore, be difficult to eliminate the heat protuberance (protruding protuberance) being formed on warm-up mill.
On the other hand, as mentioned above, when compression process, due to the reaction force from material, on roller, produce crooked.The bending of this roller is to making roller distortion with heat protuberance rightabout.In the compression process with high linear load (500～3000kg/cm), heat protuberance is offset by bending, and, utilize bending correction mechanism, on the crooked bearing housing in outside that is arranged on main bearing box, apply and the rightabout power of compression load, carry out the bending correction (in other words, carrying out than the little bending correction of crooked correction that there is no the occasion of heat protuberance) of roller.
For example, but when the linear load when roller punching press is low linear load (100～500kg/cm), little from the reaction force of material, the bending of the roller being produced by the reaction force from material is little.Like this, cannot utilize the heat protuberance of the bending counteracting convex form of the roller being subject to from material when compression, the shape of the roller self being produced by heat protuberance is brought appreciable impact to product thickness precision.The heat protuberance of this convex form cannot utilize by and the rightabout power of compression load (making the power of the direction left between the up-down rollers) correction mechanism of bending that is applied to the outside of main bearing box revise.
Summary of the invention
The object of the present invention is to provide roll-type stamping machine and the roll-type process for stamping that can utilize the bending apparatus in the outside that is arranged on main bearing box to revise being formed on the protuberance of the convex forms such as heat protuberance on roller.
The invention is characterized in, make to utilize punch process that roll-type stamping machine carries out for location impact style, applying bending force with the punching press load direction equidirectional that is arranged on the outside of main bearing box.
Effect of the present invention is as follows.
According to the present invention, can utilize the bending apparatus in the outside that is arranged on main bearing box to revise being formed on the protuberance of the convex forms such as heat protuberance on roller.Its result, can carry out high-precision compression process.
The explanation of problem, structure and the execution mode below effect utilization beyond above-mentioned becomes clear and definite.
Accompanying drawing explanation
Fig. 1 is the front view of the roll-type stamping machine of one embodiment of the present of invention.
Fig. 2 is the front view of the roll-type stamping machine of an alternative embodiment of the invention.
Fig. 3 is the line overall diagram of using the roll-type pressing equipment of roll-type stamping machine of the present invention.
Fig. 4 is formed in the schematic diagram of the heat protuberance on roller.
Fig. 5 means the schematic diagram of the pattern that utilizes correction heat protuberance of the present invention.
In figure: 1-top roll, 2-lower roll, 3-material, 4-main bearing box, 5-punching cylinder, 6-crooked bearing housing, 7-crooked cylinder, parts between 8-bearing, 9-pad or pin, 10-thickness gauge, 11-control panel, 12-roll out machine, 13-be involved in machine, coil before 14-punching press, coil after 15-punching press.
Embodiment
Below, use accompanying drawing explanation embodiments of the invention.
Fig. 1 means the roll-type stamping machine of one embodiment of the present of invention.
Roll-type stamping machine possess top roll 1, lower roll 2, built-in maintenance respectively the base bearing of axle supporting top roll and lower roll main bearing box 4, the main bearing box of lower roll is applied and load and produce the punching cylinder 5 of loading with respect to the punching press of the material 3 between top roll 1 and lower roll 2.
Cylindricity, roundness, vibration precision for the roller of the compression molding of electrode for secondary battery material etc. are important, have respectively the precision of 1～4 μ m left and right.In addition, in the compression process of high linear load, also use, therefore need high rigidity, therefore, as the structure of roller, adopt solid roll.And, due to for hot pressing processing, therefore on roller, possess heating-up mechanism and (for example,, as described in patent documentation 1, inner formation of roller, make wet goods thermal medium at the heat medium flow channel of roller internal flow.This warm-up mill is called as drill bit roller.）。
The main bearing box 4 of top roll 1 is supported by shell (omitting diagram) with punching cylinder 5.At top roll and lower roll, be respectively equipped with roller driving mechanism (omitting diagram).At top roll and lower roll, be respectively equipped with the feed mechanism (omitting diagram) of thermal medium.
In addition, the bending mechanism that carries out protruding protuberance correction that the roll-type stamping machine of the present embodiment possesses crooked cylinder 7, consists of the crooked bearing housing of the crooked bearing of built-in maintenance.Crooked bearing housing 6 is located at two outsides of main bearing box 4.In the example shown in Fig. 1, above the crooked bearing housing 6 of top roll 1 with below the crooked bearing housing 6 of lower roll 2, be respectively equipped with crooked cylinder 7, utilize these crooked cylinders 7, to crooked bearing housing, apply the bending force (type is pressed in bending) with punching press load equidirectional.In addition, the arrow in figure is the direction of the load that produces of each cylinder and big or small image.In the present invention, the opposite direction direction to the bend loading of the bending correction of recording with patent documentation 2 is applied on crooked bearing housing.To applying the occasion of bending force with punching press load direction rightabout pair roller, be called as contraflexure.In the present invention, due to applying bending force with load direction equidirectional pair roller, be therefore called positive curve.
As shown in Figure 2, crooked cylinder 7 is located between the crooked bearing housing 6 of top roll 1 and the crooked bearing housing 6 of lower roll 2, can for the upper and lower crooked bearing housing that stretches, bend tension type.Even in this occasion, also at the identical direction pair roller of the direction with punching press load, apply bending force.
Become the roller protuberance of object of the present invention for the contrary direction of bending that the punching press load with by roller produces, applying power and making bending with load direction equidirectional pair roller.Therefore,, in order not apply excessive punching press load to material when the punch process, in the present invention, use fixed main shaft to hold the location impact style of the position of case.
Main bearing box, shell etc. are manufactured by iron and steel, but are strictly the elastomers of high rigidity.Therefore, in decision Shi， position, main bearing box (roller) position, in the scope in strain, change.In the present embodiment, in order easily to carry out its fine setting, as roller detent mechanism, parts 8 be set between bearing with pad between main bearing box or selling 9.Utilize parts between bearing to carry out larger interval adjustment, utilize pad or pin, carry out the fine setting corresponding with the variation of condition.
By carrying out like this roller location, when utilizing crooked cylinder 7 when crooked bearing housing 6 being applied to bending force with punching press load direction equidirectional, the main bearing box 4 of take is reducing to revise roll shape in the direction of protruding protuberance as fulcrum.Use Fig. 4 and Fig. 5 that this pattern is described.Fig. 4 represents the roll shape (protruding protuberance) before protruding protuberance correction.Fig. 5 represents to use the present invention to carry out the pattern of protruding protuberance correction.By carrying out so protruding protuberance correction, can on Width, to material 3, process equably.That is,, by the roller precision variable quantity that mechanically makes bending be caused by the thermal deformation of the roller of warm-up mill, material is applied to load impartial on Width, thereby can carries out high-precision compression process.
In the present embodiment, for location impact style, owing to being only arranged on the crooked cylinder applying on the crooked bearing housing of common bending correction mechanism (the crooked correction mechanism that patent documentation 1 is recorded) with the load of punching press load equidirectional, so can transform significantly existing roll-type stamping machine and obtain revising the roll-type stamping machine of protruding protuberance.In addition, in order to revise protruding protuberance, consider, in the inner side of main bearing box, bending mechanism is set, but compare with this occasion, owing to obtaining larger moment, therefore can reduce crooked cylinder, its result, has advantages of and easily carries out hydraulic control.
In addition, in the above-described embodiments, as the detent mechanism of roller, use pad or pin, but be not defined in this.
As the alternative scheme of pad or pin, for example, the hydraulic cylinder (using the system of the energy control position of servo valve in hydraulic system) of the position that can adjust cylinder bar can be set between upper and lower main bearing box.But, in this occasion, be difficult to arrange the hydraulic cylinder that can adjust position between narrow main bearing box, and, compare the shortcoming that exists system cost to rise significantly with above-described embodiment.
In addition, as other alternative schemes of pad or pin, can make up-down rollers use the detent mechanism of mechanical screw-type screwdown gear.In this occasion, when producing trouble etc. urgent, the degree of opening of roller becomes difficult point slowly.In addition, can carry out position to a side roller and fix (immutable), and make a side roller use the detent mechanism of mechanical screw-type screwdown gear.
In addition, as other alternative schemes of pad or pin, have and make a side roller there is the detent mechanism that (immutable) or mechanical screw-type screwdown gear are fixed in use location, make the hydraulic cylinder of opposite side roller for locating.In this occasion, compare the shortcoming that exists system cost to rise significantly and so on above-described embodiment.
Then, the roll-type process for stamping that has used roll-type stamping machine of the present invention is described.
Fig. 3 has represented to configure the line overall diagram of the roll-type pressing equipment of above-mentioned roll-type stamping machine.The approaching side of roll-type stamping machine arrange the materials such as secondary battery electrode material 3 are wound as to spiral helicine installation punching press before the machine that rolls out 12 of coil 14, after the outlet side of roll-type stamping machine main body is provided with the material after coiling punching press and becomes punching press, coil 15 is involved in machine 13.The thickness gauge 10 of the thickness of the material 3 that instrumentation is stamped is set at the outlet side of roll-type stamping machine main body in addition.According to the thickness measurement value from thickness gauge 10, in control panel 11, obtain the computing of the pressure controlled controlling value of crooked cylinder, controlling value is outputed to roll-type stamping machine, utilize this controlling value to control the hydraulic pressure of crooked cylinder.
In the present embodiment, thickness gauge 10 is at Width, at fore side (there is no roller drive mechanism side) Td, central Tc, driving side (side with roller driving mechanism) this 3 point of Tw (three regions or three positions) instrumentation thickness.In addition, it is 2 above (central authorities and fore side or driving sides) that thickness gauge measuring point needs only on Width, but expects the thickness of 3 of instrumentations.In addition, tester can be fixed on to three places and instrumentation thickness, also can be on Width mobile tester and instrumentation thickness.When on Width continuously during instrumentation, setting operation side, central authorities, these three regions of driving side, by the mean value of the measured value of its scope for controlling.
In addition, as long as thickness gauge 10 instrumentation material thickness continuously or intermittently in can turning round online is not specified instrumentation mode.For example, instrumentation mode as thickness gauge, have in the material on guide roller, utilize the upper surface position of laser sensor test material, and utilize magnetic sensor to detect the position of guide roller, and according to the method for its position relationship instrumentation material thickness or utilize the position, two sides of laser sensor instrumentation material, and according to method of the thickness of its position relationship instrumentation material etc.
In the present embodiment, heat protuberance (protruding protuberance) is finally adjusted during for stable condition at the line that uses roll-type stamping machine.That is, when roller or shell, bearing housing etc. are fully heated and do not have temperature to rise, (when the curve of variations in temperature is smooth) adjusted.
As mentioned above, the bending that produces the roller being caused by the reaction force being subject to from material 3 when compression.The bending of this roller makes roller distortion with heat protuberance rightabout.When the linear load when roller punching press is low linear load, little from the reaction force of material, the bending of the roller being caused by the reaction force from material diminishes.If like this, cannot utilize the bending of the roller being subject to from material when compression to offset heat protuberance, the shape of the roller self being caused by heat protuberance is brought appreciable impact to product thickness precision.
Therefore, while being stable condition online, thickness measurement value in basis from the thickness gauge 10 shown in Fig. 3, the thickness that is judged as the Width of material is concave shape (Td, Tw > Tc) occasion (, as shown in Figure 4, be judged as the occasion that roller is protruding projecting shape), utilize the protruding protuberance correction of crooked cylinder 7.This protruding protuberance correction is used control panel 11 automatically to carry out, but also can visual measured value, and operating personnel is with manually adjusting the pressure of crooked cylinder.
Like this, while being stable condition online, adjust to the situation of swelling by assurance roller the pressure of crooked cylinder, under low linear load, even if produce the state of protruding protuberance on warm-up mill, also can on Width, to material, carry out punching press equably.
In addition, even if roll-type stamping machine has the occasion of under high pressure also using.That is, imagination is used the occasion of roll-type stamping machine to produce crooked condition on roller, and, crooked bearing housing and the crooked cylinder that can for carrying out bending, revise in the arranged outside of crooked bearing housing 6.In addition, can on crooked bearing housing 6, append to arrange and apply and the load crooked cylinder of rightabout power of punching press.
In addition, the present invention is not defined in above-described embodiment, comprises various deformation example.For example, above-described embodiment explains for the present invention is easily understood, is not defined in and possesses whole structures.In addition, a part for the structure of certain embodiment can be replaced into the structure of another embodiment, and, also can in the structure of certain embodiment, add the structure of other embodiment.In addition, can carry out appending, delete, replacing of other structures to a part for the structure of each embodiment.
For example, the various embodiments described above are configuring roller up and down, but also the present invention can be applied to configure in the horizontal direction equally the roll-type stamping machine of pair of rolls (the first roller and second roller).In addition, in this variation, the top roll of the various embodiments described above renames as the first roller, and lower roll renames as second roller.
In addition, for example, as apply the mechanism of load on crooked bearing housing, hydraulic cylinder mode that also can application operating geometric ratio embodiment is poor, but has used the load applying mechanism of thread mechanism.
Claims (4)
1. a roll-type stamping machine, possesses:
Relative pair of rolls;
Axle supports the main bearing box of above-mentioned pair of rolls respectively; And
By means of above-mentioned main bearing box, the material by between above-mentioned pair of rolls is applied the load applying mechanism of punching press load,
This roll-type stamping machine is characterised in that,
Above-mentioned roll-type stamping machine forms with location impact style,
Have: with above-mentioned main bearing box be located at independently above-mentioned main bearing box each outside crooked bearing housing; And
Above-mentioned crooked bearing housing is applied to the load applying mechanism with the load of above-mentioned punching press load equidirectional.
2. roll-type stamping machine according to claim 1, is characterized in that,
Above-mentioned load applying mechanism is the load applying mechanism that has used hydraulic cylinder.
3. roll-type stamping machine according to claim 2, is characterized in that,
Above-mentioned location impact style is realized by parts and pad between the bearing being located between above-mentioned main bearing box or pin.
4. a roll-type process for stamping, it has used the roll-type stamping machine described in claim 1～3 any one, and this roll-type process for stamping is characterised in that,
Above-mentioned pair of rolls is warm-up mill,
The bending of the roller producing from the reaction force of material when utilizing by punch process and can not offset the occasion of the heat protuberance producing on above-mentioned warm-up mill, by adjusting by revising to applying the load that the above-mentioned load applying mechanism of load produces on above-mentioned crooked bearing housing the roll shape being formed by heat protuberance.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012185983A JP5797171B2 (en) | 2012-08-27 | 2012-08-27 | Roll press machine and roll press method |
| JP2012-185983 | 2012-08-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103633287A true CN103633287A (en) | 2014-03-12 |
| CN103633287B CN103633287B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310376135.3A Active CN103633287B (en) | 2012-08-27 | 2013-08-26 | Roll-type stamping machine and roll-type process for stamping |
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| JP (1) | JP5797171B2 (en) |
| CN (1) | CN103633287B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107186493A (en) * | 2017-07-24 | 2017-09-22 | 西莱特电梯（中国）有限公司 | Elevator door pocket production line |
| CN107863491A (en) * | 2017-11-03 | 2018-03-30 | 邢台海裕锂能电池设备有限公司 | A kind of online shaping equipment of electrodes of lithium-ion batteries |
| CN112873943A (en) * | 2021-01-11 | 2021-06-01 | 上海兰钧新能源科技有限公司 | Rolling mechanism |
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| JP6544661B2 (en) * | 2016-10-06 | 2019-07-17 | ユースエンジニアリング株式会社 | Roll press equipment |
| JP6920666B2 (en) * | 2017-08-30 | 2021-08-18 | パナソニックＩｐマネジメント株式会社 | Roll press equipment |
| KR101980226B1 (en) * | 2017-11-27 | 2019-05-20 | (주)피엔티 | Apparatus for roll-pressing electrode of secondary battery |
| CN112912185B (en) * | 2018-11-13 | 2023-08-01 | 松下知识产权经营株式会社 | Rolling device and control device |
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| US4817407A (en) * | 1986-07-02 | 1989-04-04 | Alich Guenter | Rolling stand |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107186493A (en) * | 2017-07-24 | 2017-09-22 | 西莱特电梯（中国）有限公司 | Elevator door pocket production line |
| CN107863491A (en) * | 2017-11-03 | 2018-03-30 | 邢台海裕锂能电池设备有限公司 | A kind of online shaping equipment of electrodes of lithium-ion batteries |
| CN112873943A (en) * | 2021-01-11 | 2021-06-01 | 上海兰钧新能源科技有限公司 | Rolling mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5797171B2 (en) | 2015-10-21 |
| CN103633287B (en) | 2016-04-20 |
| JP2014042923A (en) | 2014-03-13 |
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