CN114054621A - Deflection blanking device and method for power battery aluminum shell - Google Patents
Deflection blanking device and method for power battery aluminum shell Download PDFInfo
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- CN114054621A CN114054621A CN202111323376.2A CN202111323376A CN114054621A CN 114054621 A CN114054621 A CN 114054621A CN 202111323376 A CN202111323376 A CN 202111323376A CN 114054621 A CN114054621 A CN 114054621A
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 42
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 188
- 239000002131 composite material Substances 0.000 claims description 51
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 8
- 238000004080 punching Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/021—Control or correction devices in association with moving strips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
- B21D43/09—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material
Abstract
The invention relates to the technical field of new energy, power batteries and aluminum processing, in particular to a deflection blanking device and a deflection blanking method for an aluminum shell of a power battery. The deflection blanking device and the method improve the material utilization rate of the aluminum material and effectively reduce the product cost.
Description
Technical Field
The invention relates to the technical field of new energy, power batteries and aluminum processing, in particular to a deflection blanking device and method for an aluminum shell of a power battery.
Background
The battery is one of the most critical links in a new energy industry chain, and the power battery aluminum shell is a critical precise part of a new energy power battery system, and belongs to a technology-intensive product.
At present, in the manufacturing process of a new energy power battery shell, the stamping and blanking of an aluminum shell are indispensable process steps in the production process of the aluminum shell, a set of complete continuous aluminum shell stretching production line is formed by combining 5 or more than 5 transmission processes (the number of the specific processes depends on the size, the shape and the size of different products), and the processes are all assembled on the same press machine and complete the work content of the corresponding processes in the same time: the blanking die is a key process in the whole production line and plays a decisive role in material cost. The material propeller is also an essential auxiliary process device in the process of the stamping and blanking method, has higher process and technical requirements, and belongs to precise process equipment. The effective utilization rate of the aluminum shell production material is directly related to the design and manufacture of the composite drawing blanking die of the power battery shell; the three-position deflection material high-speed propeller is used for assisting a composite blanking die of a power battery aluminum shell die to complete the work of the step.
The effective utilization rate of raw materials in the traditional composite blanking die is low, the action is single, the production cost is high, the economic benefit of the original power battery aluminum shell production is not ideal under the current competitive market environment, and continuous innovation is needed to improve the competitiveness and the production benefit.
Disclosure of Invention
The invention aims to provide a deflection blanking device and a deflection blanking method for an aluminum shell of a power battery.
The technical scheme of the invention is as follows: the utility model provides a beat unloader of power battery aluminum hull, is including being used for blanking material area and allowing the compound unloading mould of material area lateral shifting, the rear side of compound unloading mould is provided with and is used for carrying out material area flattening and lateral shifting's flattening material feeding unit to its pay-off, flattening material feeding unit's rear side is provided with the material feeding unit that carries that is used for loading the reel material area, carry the material feeding unit and be used for carrying the material area and can follow flattening material feeding unit lateral shifting to flattening material feeding unit.
Further, compound unloading mould is including being used for installing the lower mould on pressure lathe mesa and being used for installing the last mould on pressure lathe lift slider, it is provided with guiding mechanism to go up a side between mould and the lower mould, goes up another lateral part between mould and the lower mould and is provided with matched with concave, terrace die, be provided with the stripper that can the elasticity goes up and down on the lower mould.
Furthermore, the guide mechanism comprises a pair of guide rods arranged on the upper die, and a guide sleeve matched with the lower die is arranged on the lower die; one side portion of stripper extends to guiding mechanism and is provided with the guiding hole that is used for the guide bar to pass, and the other side portion of stripper outwards extends and outstanding lower mould, and the downside interval of stripper is laid with the bedplate sliding fit's of lower mould guide arm, still the interval is provided with the spring between bedplate that is located the lower mould and the stripper.
Further, flattening material feeding unit includes the seat frame, be provided with on the seat frame with its sliding fit and by servo controller system drive lateral shifting's flattener, vertically be provided with the material area in the flattener and pass the mouth and install the gyro wheel feeding system that flattens.
Furthermore, a leading-in frame is arranged on the front side of the flattening device, and a leading-out frame is arranged on the rear side of the flattening device; the roller flattening and feeding system comprises a plurality of pairs of compression rollers which are arranged at intervals along the longitudinal direction, and the compression rollers are driven to rotate by a driving mechanism.
Furthermore, guide rollers are arranged on the leading-in frame at intervals along the longitudinal direction, and a pair of spacing rollers with adjustable intervals are vertically arranged on two sides of the upper part of the leading-in frame; universal balls are arranged on the guiding-out frame at intervals.
Furthermore, carry material feeding unit includes the base, be provided with on the base rather than sliding fit and by servo drive lateral shifting's carrier, be provided with the coil stock expander that is used for installing the reel material area on the carrier, the front side that is located the coil stock expander is provided with the pressure arm, and the rear side of coil stock expander is provided with the coil stock stopper.
Furthermore, the rear end of the material pressing arm is rotatably connected with a material loading device through a transverse rotating shaft, a connecting rod is fixed on the transverse rotating shaft, a first cylinder with a telescopic rod hinged with the other end of the connecting rod is hinged on the material loading device, and a pressing wheel is arranged at the front end of the material pressing arm; the coil stock stopper comprises a cantilever seat arranged on the front side of a material loading device, a transverse shaft rod is rotatably connected onto the cantilever seat, a driving plate is fixed at one end of the transverse shaft rod, a second cylinder hinged with the material loading device is hinged onto the material loading device, and a pair of limiting shaft rollers capable of achieving interval adjustment is arranged at the other end of the transverse shaft rod.
Furthermore, a feeding lifting platform positioned on the lower side of the coil expander is also arranged on the base; the feeding lifting platform is in sliding fit with the base and is driven by the transverse cylinder to move transversely, a loading seat driven by the hydraulic cylinder to lift is arranged on the feeding lifting platform, and a pair of spacing-adjustable limiting rods are vertically arranged on the front side and the rear side of the loading seat respectively.
A deflection blanking method of a power battery aluminum shell comprises a deflection blanking device of the power battery aluminum shell, and comprises the following steps:
the first step is as follows: when the composite blanking die is in a die opening state, the leveling feeding device longitudinally feeds the material belt to a first stamping position under the condition of set data, and meanwhile, the left and right positions of a flattening device on the leveling feeding device can be adjusted before stamping, so that the material belt is accurately pushed to a blanking area of the composite blanking die;
when the material belt feeding is completed, the composite blanking die is closed until a stamping and stretching action is completed, and the composite blanking die returns to a die opening state;
the second step is that: a flattening device of the leveling feeding device moves leftwards, and the material loading feeding device moves leftwards along with the flattening device until the secondary stamping position of the material belt is adjusted to be on the same line with the blanking area of the composite blanking die; at the moment, a roller flattening feeding system in the flattening feeding device starts to work, the secondary stamping position of the material belt is pushed forwards to the blanking area of the composite blanking die, and the material loading feeding device is matched with the flattening feeding device to feed forwards and move along with the flattening feeding device;
when the material belt feeding is completed, the composite blanking die is closed until a stamping and stretching action is completed, and the composite blanking die returns to a die opening state;
the third step: the leveling feeding device moves rightwards, and the material loading feeding device is matched with the leveling feeding device to move along with the leveling feeding device until the three-time stamping position of the material belt is adjusted to be on the same line with the blanking area of the composite blanking die; at the moment, a roller flattening feeding system in the flattening feeding device starts to work, the three-time stamping position of the material belt is pushed forwards to the blanking area of the composite blanking die, and the material loading feeding device is matched with the flattening feeding device to move along;
when the material belt feeding is completed, the composite blanking die is closed until a stamping and stretching action is completed, and the composite blanking die returns to a die opening state;
the fourth step: and repeating the stamping and stretching actions of the first, second and third steps of composite blanking die until the roll material belt of the material loading and feeding device is completely stamped.
Compared with the prior art, the invention has the following advantages:
the deflection blanking device and the method are used for a continuous stamping and stretching production line of an aluminum shell die of a power battery, original single-row single-sheet stretching blanking is redesigned into 3 rows of single-sheet stretching blanking, the utilization rate of stamping raw materials can be improved to a greater degree, the stamping and stretching efficiency in unit time is improved, the production cost is reduced, and the effect of controlling the cost of a company and improving the yield value benefit is remarkable. Meanwhile, the market competitiveness and market share of the company in the industry can be improved, so that the company benefit is further improved.
Drawings
FIG. 1 is a right side view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic structural view of the composite blanking mold of the present invention;
FIG. 4 is a schematic structural view of the leveling and feeding device of the present invention;
FIG. 5 is a schematic structural view of a loading and feeding device according to the present invention;
FIG. 6 is a schematic diagram showing the sequence and trajectory of the composite tape in comparison with the use of the old tape;
FIG. 7 is a schematic view of a first stamping area and a stamping location in a die for a strip of material of the present invention;
FIG. 8 is a schematic view of a second punching zone and punching position in the die of the present invention;
FIG. 9 is a schematic view of a third punching zone and punching position in the die of the present invention;
FIG. 10 is a schematic view of a fourth punching zone and punching position in the die of the present invention;
in the figure: 10-reel material belt 11-material belt 12-old material belt 13-first stamping position 14-second stamping position 15-third stamping position 16-fourth stamping position 100-composite blanking die 110-lower die 120-upper die 130-concave and convex die 140-stripper 141-guide hole 142-guide rod 143-spring 151-guide rod 152-guide sleeve 160-pressure machine tool 200-leveling feeding device 210-seat frame 211-guide rail 220-flattening device 221-material belt through opening 230-leading-in frame 231-guide roller 232-limit roller 233-slide block 240-leading-out frame 241-universal ball 300-material loading feeding device 310-seat 311-transverse guide rail 320-material loading device 330-coil material expansion The device comprises a device 340, a pressing arm 341, a transverse rotating shaft 342, a connecting rod 343, a first air cylinder 344, a pressing wheel 350, a material rolling limiter 351, a cantilever seat 352, a transverse shaft 353, a driving plate 354, a second air cylinder 355, a limiting shaft roller 356, a mounting seat 360, a feeding lifting platform 361, a loading seat 362, a limiting rod 363 and a sliding rod.
Detailed Description
In order to make the aforementioned features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Refer to fig. 1 to 10
A deflection blanking device for an aluminum shell of a power battery comprises a composite blanking die 100 used for blanking a material belt 11 and allowing the material belt to move transversely, can bear deflection feeding composite stretching blanking of a wider material belt (3 rows), and can adjust deflection and feeding numerical production operation according to actual requirements. The rear side of the composite blanking die is provided with a leveling feeding device 200 which is used for feeding materials to the composite blanking die and leveling and transversely moving the material belt, so that three actions of left-right movement deflection, leveling and forward feeding are realized. The rear side of the leveling feeding device is provided with a material loading feeding device 300 used for loading the reel material belt 10, and the material loading feeding device is used for conveying the material belt to the leveling feeding device and can move transversely along with the leveling feeding device, so that the material belt can be fed.
In this embodiment, flattening material feeding unit and year material feeding unit can bear the weight of the wider coiled material loading, according to the production operation of actual demand adjustment side to side beat numerical value and side to side upset position.
In this embodiment, the composite blanking die includes a lower die 110 for mounting on the table surface of the press machine 160 and an upper die 120 for mounting on the lifting slide block of the press machine, a guide mechanism is disposed at one side between the upper die and the lower die, a concave die and a convex die 130 which are matched with each other are disposed at the other side between the upper die and the lower die, and a discharging plate 140 which can be lifted elastically is disposed on the lower die, so that discharging of the material belt is completed after stamping.
In this embodiment, in order to guide the closing of the upper mold and the lower mold, the guide mechanism includes a pair of guide rods 151 disposed on the upper mold, and a guide sleeve 152 disposed on the lower mold and engaged with the upper mold.
In this embodiment, in order to cooperate with the material strap to realize the left-right movement adjustment, one side portion of the stripper plate extends to the guide mechanism and is provided with a guide hole 141 for a guide rod to pass through, so that the stripper plate is positioned during die assembly, and the offset is prevented from occurring during stamping. The other side of stripper extends outwards and outstanding lower mould, and the downside interval of stripper is laid the guide arm 142 with the bedplate sliding fit of lower mould, is located still that the interval is provided with spring 143 between the bedplate of lower mould and the stripper to the elasticity that realizes the stripper goes up and down.
In this embodiment, in order to realize flattening, pay-off and the left-right movement beat of material area, flattening material feeding unit includes seat frame 210, be provided with the flattener 220 by servo controller system drive lateral shifting on the seat frame, the upper end of seat frame transversely is provided with the guide rail 211 with flattener sliding fit, vertically be provided with the material area in the flattener and pass a mouthful 221 and install the gyro wheel feeding system that flattens to drive the material area and move ahead and carry out the flattening.
In this embodiment, in order to facilitate the introduction of the material belt, the front side of the flattening device is provided with a guide frame 230, the guide frame is provided with guide rollers 231 along the longitudinal interval, and two sides of the upper portion of the guide frame are vertically provided with a pair of spacing rollers 232 with adjustable intervals, so that the material belt is adjusted according to the width of the material belt and is limited.
In this embodiment, in order to realize the distance adjustment between the limiting rollers, a cross rod is arranged on the upper portion of the guiding frame, a pair of sliding blocks 234 which are in sliding fit with the cross rod is arranged on the cross rod, the sliding blocks are locked with the cross rod through bolts, and the limiting rollers are rotatably connected with the sliding blocks.
In this embodiment, in order to facilitate the guiding out of the material belt, the guiding-out frame 240 is arranged on the rear side of the flattening device, and the universal balls 241 are arranged on the guiding-out frame at intervals, so that the material belt moves forward and left and right.
In this embodiment, in order to realize driving the material area and move ahead and the flattening, the feed system that flattens of gyro wheel includes a plurality of pairs of compression rollers that set up along longitudinal interval, the compression roller is rotatory by actuating mechanism drive.
In this embodiment, in order to realize the loading of the material belt and the movement of the material belt following the leveling and feeding device, the material loading and feeding device includes a base 310, a material loading device 320 which is slidably engaged with the base through a transverse guide rail 311 and is driven by a servo mechanism to move transversely is disposed on the base, a material rolling expander 330 for mounting the roll material belt 10 is disposed on the material loading device, a power source for driving the material rolling expander to rotate and a driving mechanism for driving the material rolling expander to tension outwards are disposed in the material loading device, and the driving mechanism is a prior art, such as a link mechanism driven by a cylinder. A pressing arm 340 is provided at the front side of the roll material spreader so as to press the material tape. The rear side of the coil expander is provided with a coil limiter 350 to prevent the reel material belt from moving left and right.
In this embodiment, in order to compress the material belt, the rear end of the pressing arm is rotatably connected to the material carrier through a transverse rotating shaft 341, a connecting rod 342 is fixed on the transverse rotating shaft, a first cylinder 343 with a telescopic rod hinged to the other end of the connecting rod is hinged to the material carrier, and a pressing wheel 344 is arranged at the front end of the pressing arm. Thereby drive the horizontal pivot through first cylinder and drive the pressure material arm and press on the material area, avoid the material area in disorder.
In this embodiment, in order to prevent the web material from moving left and right, the material rolling limiter includes a cantilever seat 351 installed at the front side of the material carrier, a transverse shaft rod 352 is rotatably connected to the cantilever seat, a driving plate 353 is fixed at one end of the transverse shaft rod, a second cylinder 354 hinged to the material carrier is hinged to the material carrier, and a pair of limiting shaft rollers 355 capable of realizing distance adjustment is arranged at the other end of the transverse shaft rod.
In this embodiment, in order to realize the distance adjustment of the limiting shaft rollers, the pair of limiting shaft rollers are axially and slidably matched with the transverse shaft rod through the mounting seat 356, the limiting shaft rollers are longitudinally and rotatably connected to the mounting seat, the rear ends of the limiting shaft rollers are inclined downward, the cantilever seat is transversely and rotatably connected with the lead screw with the two side portions having opposite screw threads, and the mounting seat is respectively in threaded connection with the lead screw through the nut seat, so that the distance between the two limiting shaft rollers is adjusted through the rotation of the lead screw.
In this embodiment, in order to realize the loading of the roll material belt, a loading lifting platform 360 located on the lower side of the roll material expander is further disposed on the base; the feeding lifting platform is in sliding fit with the base and is driven by a transverse cylinder to move transversely, a loading seat 361 driven by a hydraulic cylinder to lift is arranged on the feeding lifting platform, and a pair of spacing-adjustable limiting rods 362 are vertically arranged on the front side and the rear side of the loading seat respectively. Slide bars are transversely arranged on the front side and the rear side of the material loading seat respectively, the lower end of the limiting rod is in sliding fit with the slide bars through slide blocks, and the slide bars are provided with guide grooves or guide rails matched with the slide blocks, so that the distance adjustment of the rod in the afternoon is realized.
During the material loading, let in advance press arm and coil stock stopper upset, make it keep away from at the coil stock expander, let through the hydraulic stem after placing the reel material area on the material loading elevating platform and carry the material seat and rise, later drive the material loading elevating platform area through horizontal cylinder and carry material seat lateral shifting to let the reel material area install on the coil stock expander, later drive again press arm and coil stock stopper accomplish the spacing in reel material area.
A deflection blanking method of a power battery aluminum shell comprises a deflection blanking device of the power battery aluminum shell, and comprises the following steps:
the first step is as follows: when the composite blanking die is in a die opening state (when a pressure machine tool is in a top dead center state), the leveling and feeding device longitudinally feeds the material belt to a first stamping position (the position of the No. 1 ellipse in fig. 7) under the condition that data is set by a servo controller system, and the left and right positions of a flattener on the leveling and feeding device can also adjust the blanking position of the No. 1 ellipse before stamping, so that the leveling and feeding device realizes three actions of left-right deflection, leveling and forward feeding (the material carrying and feeding device can cooperate with the left-right deflection and forward feeding of the leveling and feeding device 3 to achieve asynchronous synchronous feeding) to accurately push the material belt to a shadow part blanking area of the composite blanking die, as shown in fig. 7;
and when the material belt feeding is completed, the lifting slide block of the pressure machine tool also moves downwards, the composite blanking die is closed until a stamping and stretching action is completed, the pressure machine tool drives the upper die to return to the top dead center state, and the composite blanking die returns to the die opening state.
The second step is that: the flattening device of the leveling feeding device moves leftwards under the control of the servo controller system, and the material loading feeding device moves leftwards along with the flattening device until the secondary punching position (No. 2 ellipse in the material strip) of the material strip is adjusted to be on the same line with the shadow part of the composite blanking die and stops moving; at this time, the roller flattening feeding system in the flattening feeding device starts to work, the secondary stamping position (No. 2 ellipse in the material strip) of the material strip is pushed forwards to the blanking area of the shadow part of the composite blanking die, and the material loading feeding device is matched with the flattening feeding device to feed forwards and move along with the material loading feeding device, as shown in fig. 8;
and when the material belt feeding is completed, the lifting slide block of the pressure machine tool also moves downwards, the composite blanking die is closed until a stamping and stretching action is completed, the pressure machine tool drives the upper die to return to the top dead center state, and the composite blanking die returns to the die opening state.
The third step: the flattening device of the flattening feeding device moves rightwards under the control of the servo controller system, and the material loading feeding device is matched with the flattening feeding device to move along with the flattening feeding device until the three-time stamping position (No. 3 ellipse in the material strip) of the material strip is adjusted to be on the same line with the shadow part of the composite blanking die and stops moving; at the moment, a roller flattening feeding system in the flattening feeding device starts to work, the three-time stamping position (No. 3 ellipse in the material strip) of the material strip is pushed forwards to the blanking area of the shadow part of the composite blanking die, and the material loading feeding device is matched with the flattening feeding device to move along, as shown in figure 9;
and when the material belt feeding is completed, the lifting slide block of the pressure machine tool also moves downwards, the composite blanking die is closed until a stamping and stretching action is completed, the pressure machine tool drives the upper die to return to the top dead center state, and the composite blanking die returns to the die opening state.
The fourth step: and repeating the stamping and stretching actions of the first, second and third steps of the composite blanking die until the roll material belt on the material rolling expander of the material loading and feeding device is completely stamped, as shown in fig. 10.
The product example is further illustrated:
1. at present, the width of the aluminum material belt is below 300mm, the step pitch of a machine tool (300 ton and 400 ton punching machines are taken as examples) is 300mm, if a station is arranged in one step, the width of the aluminum material belt can be about 600mm, most products can be designed into three rows for feeding, the utilization rate of the aluminum materials is close to that of a wafer according to the layout, the utilization rate of the aluminum materials fed by the material belt is about 60 percent basically, and the utilization rate of the aluminum materials fed by the material belt is about 70 percent basically if the aluminum materials are widened into three rows.
New/old material use comparison data table (table contents for reference only):
| examples of company products | Gross weight (g) | Finished product weight (g) | Waste material weight (g) | Utilization (%) | Waste material cost (Yuan) | Gross weight cost (Yuan) | Aluminum cost (Yuan) |
| Before transformation | 321 | 200 | 121 | About 62 percent | 1.21 | 6.741 | 5.531 |
| After the change | 265 | 200 | 65 | About 75 percent | 0.65 | 5.565 | 4.915 |
| Phase difference | 0.56 | 1.176 | 0.616 |
2. Meanwhile, the number of the aluminum shell products of the same coiled material is changed from the original single row to three rows, so that the time of about 20 minutes for midway material changing and material loading can be reduced, and the working efficiency in unit time is relatively improved. The new and old material belts are used in comparison with the drawing in figure 6.
It will be apparent to those skilled in the art that the above embodiments are merely preferred embodiments of the present invention, and it is not necessary to create any inventive effort to design a different type of aluminum cell housing deflection blanking device and method for power cells according to the teachings of the present invention, and all equivalent changes, modifications, substitutions and alterations made herein without departing from the spirit and scope of the present invention are to be considered as within the scope of the present invention.
Claims (10)
1. The utility model provides a beat unloader of power battery aluminum hull, its characterized in that, is including being used for the blanking material area and allowing the compound unloading mould of material area lateral shifting, the rear side of compound unloading mould is provided with and is used for carrying out material area flattening and lateral shifting's flattening material feeding unit to its pay-off, flattening material feeding unit's rear side is provided with the material feeding unit that carries that is used for loading the reel material area, material feeding unit carries the material area and can follow flattening material feeding unit lateral shifting to flattening material feeding unit.
2. The deflection blanking device for the power battery aluminum shell as claimed in claim 1, wherein the composite blanking die comprises a lower die for mounting on the table of the pressure machine tool and an upper die for mounting on the lifting slide block of the pressure machine tool, a guiding mechanism is arranged at one side part between the upper die and the lower die, a matching concave die and convex die are arranged at the other side part between the upper die and the lower die, and a discharging plate capable of being lifted and lowered elastically is arranged on the lower die.
3. The deflection blanking device for the power battery aluminum shell as claimed in claim 2, wherein the guide mechanism comprises a pair of guide rods arranged on the upper die, and a guide sleeve matched with the lower die is arranged on the lower die; one side portion of stripper extends to guiding mechanism and is provided with the guiding hole that is used for the guide bar to pass, and the other side portion of stripper outwards extends and outstanding lower mould, and the downside interval of stripper is laid with the bedplate sliding fit's of lower mould guide arm, still the interval is provided with the spring between bedplate that is located the lower mould and the stripper.
4. The deflection blanking device for the power battery aluminum shell as claimed in claim 1, 2 or 3, wherein the leveling and feeding device comprises a seat frame, a flattening device is arranged on the seat frame, the seat frame is slidably matched with the seat frame and is driven by a servo controller system to move transversely, a material belt passing opening is longitudinally arranged in the flattening device, and a roller flattening and feeding system is arranged in the flattening device.
5. The deflection blanking device for the power battery aluminum shell as claimed in claim 4, wherein a leading-in frame is arranged at the front side of the flattening device, and a leading-out frame is arranged at the rear side of the flattening device; the roller flattening and feeding system comprises a plurality of pairs of compression rollers which are arranged at intervals along the longitudinal direction, and the compression rollers are driven to rotate by a driving mechanism.
6. The deflection blanking device for the power battery aluminum shell as claimed in claim 5, wherein the guiding frame is provided with guiding rollers at intervals along the longitudinal direction, and two sides of the upper part of the guiding frame are vertically provided with a pair of spacing rollers with adjustable intervals; universal balls are arranged on the guiding-out frame at intervals.
7. The deflection blanking device for the power battery aluminum shell as claimed in claim 1, 2, 3, 5 or 6, wherein the material loading and feeding device comprises a base, a material loading device which is slidably matched with the base and is driven by a servo mechanism to move transversely is arranged on the base, a material rolling expander for installing a material rolling strip is arranged on the material loading device, a material pressing arm is arranged on the front side of the material rolling expander, and a material rolling limiting stopper is arranged on the rear side of the material rolling expander.
8. The deflection blanking device for the power battery aluminum shell as claimed in claim 7, wherein the rear end of the pressing arm is rotatably connected with a material carrier through a transverse rotating shaft, a connecting rod is fixed on the transverse rotating shaft, a first cylinder with a telescopic rod hinged with the other end of the connecting rod is hinged on the material carrier, and a pressing wheel is arranged at the front end of the pressing arm; the coil stock stopper comprises a cantilever seat arranged on the front side of a material loading device, a transverse shaft rod is rotatably connected onto the cantilever seat, a driving plate is fixed at one end of the transverse shaft rod, a second cylinder hinged with the material loading device is hinged onto the material loading device, and a pair of limiting shaft rollers capable of achieving interval adjustment is arranged at the other end of the transverse shaft rod.
9. The deflection blanking device for the power battery aluminum shell as claimed in claim 8, wherein a feeding lifting platform located on the lower side of the coil expander is further arranged on the base; the feeding lifting platform is in sliding fit with the base and is driven by the transverse cylinder to move transversely, a loading seat driven by the hydraulic cylinder to lift is arranged on the feeding lifting platform, and a pair of spacing-adjustable limiting rods are vertically arranged on the front side and the rear side of the loading seat respectively.
10. A deflection blanking method of an aluminum shell of a power battery comprises the deflection blanking device of the aluminum shell of the power battery in claim 4, and is characterized by comprising the following steps:
the first step is as follows: when the composite blanking die is in a die opening state, the leveling feeding device longitudinally feeds the material belt to a first stamping position under the condition of set data, and meanwhile, the left and right positions of a flattening device on the leveling feeding device can be adjusted before stamping, so that the material belt is accurately pushed to a blanking area of the composite blanking die;
when the material belt feeding is completed, the composite blanking die is closed until a stamping and stretching action is completed, and the composite blanking die returns to a die opening state;
the second step is that: a flattening device of the leveling feeding device moves leftwards, and the material loading feeding device moves leftwards along with the flattening device until the secondary stamping position of the material belt is adjusted to be on the same line with the blanking area of the composite blanking die; at the moment, a roller flattening feeding system in the flattening feeding device starts to work, the secondary stamping position of the material belt is pushed forwards to the blanking area of the composite blanking die, and the material loading feeding device is matched with the flattening feeding device to feed forwards and move along with the flattening feeding device;
when the material belt feeding is completed, the composite blanking die is closed until a stamping and stretching action is completed, and the composite blanking die returns to a die opening state;
the third step: the leveling feeding device moves rightwards, and the material loading feeding device is matched with the leveling feeding device to move along with the leveling feeding device until the three-time stamping position of the material belt is adjusted to be on the same line with the blanking area of the composite blanking die; at the moment, a roller flattening feeding system in the flattening feeding device starts to work, the three-time stamping position of the material belt is pushed forwards to the blanking area of the composite blanking die, and the material loading feeding device is matched with the flattening feeding device to move along;
when the material belt feeding is completed, the composite blanking die is closed until a stamping and stretching action is completed, and the composite blanking die returns to a die opening state;
the fourth step: and repeating the stamping and stretching actions of the first, second and third steps of composite blanking die until the roll material belt of the material loading and feeding device is completely stamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111323376.2A CN114054621A (en) | 2021-11-10 | 2021-11-10 | Deflection blanking device and method for power battery aluminum shell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111323376.2A CN114054621A (en) | 2021-11-10 | 2021-11-10 | Deflection blanking device and method for power battery aluminum shell |
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| CN114054621A true CN114054621A (en) | 2022-02-18 |
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| CN202111323376.2A Pending CN114054621A (en) | 2021-11-10 | 2021-11-10 | Deflection blanking device and method for power battery aluminum shell |
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