CN110148773B - Battery sheet separator plate wrapping equipment and method thereof - Google Patents
Battery sheet separator plate wrapping equipment and method thereof Download PDFInfo
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- CN110148773B CN110148773B CN201910381376.4A CN201910381376A CN110148773B CN 110148773 B CN110148773 B CN 110148773B CN 201910381376 A CN201910381376 A CN 201910381376A CN 110148773 B CN110148773 B CN 110148773B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 225
- 238000003860 storage Methods 0.000 claims abstract description 124
- 238000005538 encapsulation Methods 0.000 claims abstract description 44
- 238000004806 packaging method and process Methods 0.000 claims abstract description 10
- 239000000123 paper Substances 0.000 claims description 348
- 238000005192 partition Methods 0.000 claims description 70
- 239000000463 material Substances 0.000 claims description 33
- 230000009471 action Effects 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 25
- 210000000078 claw Anatomy 0.000 claims description 25
- 238000003825 pressing Methods 0.000 claims description 21
- 230000001360 synchronised effect Effects 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 239000011087 paperboard Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 241000251468 Actinopterygii Species 0.000 claims 1
- 239000010410 layer Substances 0.000 description 48
- 230000006872 improvement Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cell Separators (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
The invention discloses a storage battery sheet separator plate wrapping device and a method thereof. The separator paper pushing and packaging mechanism of the wrapper sheet equipment comprises a separator paper finishing mechanism and a polar plate packaging mechanism, wherein the separator paper finishing mechanism comprises a storage tank internally provided with laminated separator paper, a separator paper pushing mechanism and a separator paper falling mechanism; the polar plate encapsulation mechanism comprises an encapsulation wheel. The separator paper pushing mechanism can push only the bottom separator paper in the laminated separator paper out of the storage tank at one time; the bottom layer baffle paper can move along the baffle paper guide groove under the power traction of the baffle paper traction mechanism until the bottom layer baffle paper is vertically placed. One side of the bottom layer separator paper which is vertically placed is provided with a pole plate to be encapsulated, and the pole plate to be encapsulated is connected with the power output end of the pole plate pushing mechanism. Under the power drive of the polar plate pushing mechanism, the polar plate to be encapsulated can enter an encapsulation station together with the bottom layer baffle paper, and encapsulation is completed through an encapsulation wheel. The invention can greatly improve the operation efficiency of pole plate encapsulation.
Description
Technical Field
The invention relates to the field of energy equipment, in particular to a piece-shaped separator plate wrapping device and a method thereof for a storage battery, which are used for wrapping a piece-shaped separator plate by a storage battery plate in the process of assembling the storage battery.
Background
In the battery assembly process, the separator used in the electrode plate encapsulation process has two forms, one is a strip separator and the other is a sheet separator. For the storage battery encapsulated by the sheet-shaped separator, two encapsulation processes are mainly adopted at present, one is manual encapsulation, and the method has the advantages of high labor intensity, low efficiency and high cost, and is difficult to meet the production requirement; the other is that the cylinder and the vacuum chuck are matched to carry out reciprocating suction and discharge encapsulation movement to realize the purpose of automatically encapsulating the polar plate, and compared with manual operation, the method has the advantages that the encapsulation efficiency is further improved due to the reciprocating action of the cylinder. And the vacuum chuck is easy to suck multiple pieces, resulting in high shutdown rate.
Disclosure of Invention
The invention mainly solves the problems of the process and the efficiency of the accumulator plate packing type separator paper. The separator paper finishing mechanism is used for finishing the bottom separator papers in the storage tank one by one, and the polar plate wrapping mechanism is used for wrapping the polar plate to be wrapped and the bottom separator papers output by the separator paper finishing mechanism, so that the polar plate wrapping operation efficiency is greatly improved.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the storage battery sheet-shaped separator plate wrapping equipment is used for wrapping a to-be-wrapped polar plate in U-shaped separator paper and is characterized by comprising a separator paper pushing and wrapping mechanism; the separator paper pushing and packaging mechanism comprises a separator paper sorting mechanism and a polar plate packaging mechanism, wherein:
The baffle paper sorting mechanism comprises a storage tank, a baffle paper pushing mechanism and a baffle paper falling plate mechanism; the polar plate encapsulation mechanism comprises an encapsulation wheel;
A storage tank in which laminated separator paper is arranged, wherein the laminated separator paper is formed by laminating a plurality of sheet separator papers; a material outlet is arranged on the material storage tank;
The actuating head of the separator paper pushing mechanism can be aligned with the rear end of the bottom separator paper at the lowest layer in the laminated separator paper, the front end of the bottom separator paper is aligned with the material outlet of the material storage tank, and the height of the material outlet of the material storage tank is consistent with the thickness of the bottom separator paper;
The baffle paper falling mechanism comprises a baffle paper traction mechanism and a baffle paper guide groove;
The bottom separator paper in the laminated separator paper is pushed out to a feed inlet of a separator paper traction mechanism from a material outlet of a storage tank under the power action of a separator paper pushing mechanism;
the bottom layer separator paper can move along the separator paper guide groove under the power traction of the separator paper traction mechanism until the bottom layer separator paper is vertically placed;
Each separator paper above the bottom separator paper in the laminated separator paper can be downwards moved into new bottom separator paper one by one after the bottom separator paper is completely moved out of the storage tank;
One side of the bottom layer partition board paper which is vertically placed is provided with a pole plate to be encapsulated, and the pole plate to be encapsulated is connected with the power output end of the pole plate pushing mechanism; the other side of the bottom layer partition board paper is provided with an encapsulation baffle plate, and the encapsulation baffle plate is provided with a partition board paper pretreatment hole at a position corresponding to the middle part of the bottom layer partition board paper which is vertically placed;
The pole plate to be encapsulated can horizontally move under the power drive of the pole plate pushing mechanism, is horizontally arranged on one side of the bottom layer partition board paper placed vertically, and passes through the partition board pretreatment hole together until the pole plate to be encapsulated is contacted with the middle position of the bottom layer partition board placed vertically, so that the bottom layer partition board placed vertically is bent into U-shaped partition board from the middle position under the power drive of the pole plate pushing mechanism, the pole plate to be encapsulated placed horizontally is positioned between two side arms of the U-shaped partition board, and the advancing end of the pole plate to be encapsulated is contacted with the closed end of the U-shaped partition board; and under the continuous action of the polar plate pushing mechanism, the polar plates enter the wrapping wheel together to finish wrapping.
As a further improvement of the invention, the storage tank is an inclined storage tank, and the inclined storage tank comprises an inclined storage tank wall and a rear end paper pressing plate; the front side surface of the laminated partition board paper leans against the inclined storage tank wall, and the rear side surface is pressed by the rear end paper pressing board; the inclination angle of the inclined material storage groove wall is smaller than 90 degrees;
the baffle paper pushing mechanism comprises a first crank sliding block mechanism and a baffle shovel, and the baffle shovel comprises a sliding plate and a shovel plate;
The shovel plate is embedded on the plate surface of the sliding plate and protrudes out of the plate surface of the sliding plate, and the height of the shovel plate relative to the plate surface of the sliding plate is not more than the thickness of one piece of partition paper;
One end of the bottom layer partition board paper is lapped on the board surface of the sliding board at one side of the shovel board, and the other end of the bottom layer partition board paper is arranged towards the material outlet of the inclined storage tank; the plate body of the sliding plate on the other side of the shovel plate is connected with the power output end of the first crank slide block mechanism;
the baffle shovel can do reciprocating linear movement under the action of the first crank slide block mechanism; when the baffle shovel moves forward under the action of the first crank sliding block mechanism, the baffle shovel can be contacted with the bottom layer baffle paper through the shovel plate; under the continuous action of the first crank block mechanism, the shovel plate can only shovel the bottom layer partition board paper out of the material outlet of the inclined storage tank until the front end of the bottom layer partition board paper reaches the feeding port of the partition board paper traction mechanism, the partition board shovel retracts to the original position under the continuous action of the first crank block mechanism, at the moment, the bottom layer partition board paper is just completely moved out of the inclined storage tank under the driving of the partition board paper traction mechanism, and meanwhile, the laminated partition board paper can slide downwards along the wall of the inclined storage tank until the partition board paper at the lowest layer is lapped on the slide plate.
As a further improvement of the invention, the first crank slider mechanism is arranged on the frame a and comprises a synchronous belt wheel transmission mechanism, an eccentric wheel b, a disc-shaped connecting rod and a fish-eye joint; the power output end of the synchronous pulley transmission mechanism is connected with an eccentric wheel b, the eccentric wheel b is connected with a disc-shaped connecting rod, and the disc-shaped connecting rod is connected with a sliding plate of the baffle shovel through a fisheye joint;
the sliding plate of the baffle shovel is movably arranged on the sliding rail, and the sliding rail is paved on the frame a.
As a further improvement of the invention, the polar plate pushing mechanism is arranged on the frame a and is a second crank slide block mechanism, and comprises a chain wheel and chain transmission mechanism, an eccentric wheel a, a connecting rod, a slide block, a guide rail and a push plate;
the power output end of the chain wheel and chain transmission mechanism is connected with the eccentric wheel a, one end of the connecting rod is connected with the eccentric wheel a, the other end of the connecting rod is connected with the sliding block through the adapter plate, the sliding block is movably arranged with the guide rail, and the push plate is fixed with the sliding block.
As a further improvement of the invention, the separator paper traction mechanism comprises two groups of traction rollers and a synchronous pulley mechanism for driving the two groups of traction rollers to synchronously rotate;
The two groups of traction rollers are respectively a baffle paper traction roller a and a baffle paper traction roller b; the separator paper traction roller a is connected with the separator paper traction roller b through a synchronous pulley mechanism; the baffle paper traction roller a is arranged at the feeding position of the baffle paper guide groove, and the baffle paper traction roller b is arranged at the discharging position of the baffle paper guide groove.
As a further improvement of the invention, the baffle paper traction roller a is provided with a pressing wheel a, and the baffle paper traction roller b is provided with a pressing wheel b;
The front end of the bottom layer separator paper enters between the separator paper traction roller a and the pressing wheel a under the traction of the separator paper traction roller a, and moves along the separator paper guide groove under the continuous action of the separator paper traction roller a until the front end of the bottom layer separator paper enters between the separator paper traction roller b and the pressing wheel b; then gradually moving out of the separator paper traction mechanism under the synchronous driving of the separator paper traction roller a and the separator paper traction roller b; and finally, completely removing the separator paper traction mechanism under the continuous action of the separator paper traction roller b.
As a further improvement of the invention, the invention also comprises a feeding mechanism and a pneumatic manipulator mechanism;
The feeding mechanism comprises a stepping driving mechanism, a conveying belt connected with the power output end of the stepping driving mechanism and a plurality of storage tanks equidistantly arranged on the conveying belt at intervals; laminated separator paper is placed in the storage tank; each storage tank can move step by step on the conveyer belt under the power drive of the step driving mechanism and is conveyed to the discharge hole of the conveyer belt one by one; the step length of the step driving mechanism is the interval between two adjacent storage tanks;
The pneumatic manipulator mechanism comprises a pneumatic claw driving mechanism and a pneumatic claw connected with a power output end of the pneumatic claw driving mechanism;
the gas claw can grasp the laminated baffle paper placed in the storage tank at the discharge port of the conveying belt under the power drive of the gas claw driving mechanism, then move to the feed port of the inclined storage tank, and simultaneously adjust the angle of the grasped laminated baffle paper by adjusting the angle of the gas claw, so that the laminated baffle paper at the feed port of the inclined storage tank is promoted to have an angle consistent with the inclination angle of the wall of the inclined storage tank, and at the moment, the laminated baffle paper is directly leaned against the wall of the inclined storage tank.
As a further improvement of the invention, the pneumatic claw driving mechanism comprises a rotary cylinder and a telescopic cylinder; the cylinder body of the rotary cylinder is fixedly arranged on the frame c, and the power output end of the rotary cylinder is connected with the cylinder body of the telescopic cylinder; the power output end of the telescopic cylinder is connected with the air claw.
As a further improvement of the invention, the step driving mechanism comprises a step reducing motor, and the power output end of the step reducing motor is connected with the chain wheel and chain transmission mechanism c; the chain wheel and chain transmission mechanism c comprises a transmission chain wheel c and a conveying chain which is circulated through the transmission chain wheel c;
the conveying belt is a conveying chain; a plurality of hanging lugs are arranged on the conveying chain at equal intervals; each storage groove is arranged on the hanging lug.
Another technical object of the present invention is to provide a method for wrapping a sheet separator for a storage battery, comprising the steps of:
(1) The separator paper pushing mechanism is driven forward, the bottom separator paper which is positioned at the lowest part in the laminated separator paper in the storage tank is pushed out from the storage tank until the separator paper falls into the feed inlet of the separator paper feeding mechanism, and then the separator paper feeding mechanism is retracted;
(2) The separator paper board falling mechanism adopts a traction roller to push out the bottom separator paper from the storage tank, and the bottom separator paper is vertically placed after being turned by the guide of the separator paper guide groove;
(3) The method comprises the steps that a pole plate pushing mechanism is adopted, a pole plate to be encapsulated is translated until the pole plate to be encapsulated is contacted with the middle position of one side of a vertically placed bottom layer of baffle paper, and then the pole plate to be encapsulated passes through a baffle paper pretreatment hole formed in an encapsulation baffle plate arranged on the other side of the bottom layer of baffle paper, so that the vertically placed bottom layer of baffle paper is bent into U-shaped baffle paper from the middle position under the driving of the pole plate pushing mechanism, the pole plate to be encapsulated is horizontally placed between two side arms of the U-shaped baffle paper, and the advancing end of the pole plate to be encapsulated is contacted with the closed end of the U-shaped baffle paper; under the continuous action of the polar plate pushing mechanism, the polar plate pushing mechanism enters the encapsulation wheel together to complete the encapsulation between the bottom layer baffle paper pushed out in the step (1) and the polar plate to be encapsulated;
(4) Each separator paper above the bottom separator paper in the laminated separator paper can be downwards moved into new bottom separator paper one by one after the bottom separator paper is completely moved out of the storage tank;
and (3) the new bottom layer separator paper is subjected to the treatment of the steps (1) to (3), so that the encapsulation between the corresponding bottom layer separator paper and the polar plate to be encapsulated can be completed.
According to the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. The invention provides a high-speed automatic solution for the polar plate encapsulation sheet-shaped partition plate, effectively improves labor productivity and reduces product cost. The scheme fully utilizes the combination of the crank block mechanism and other mechanisms to coordinate the work, thereby achieving the purposes of automatic production, productivity improvement and cost reduction.
And the separator paper and the continuous polar plate conveying track are conveyed by using the storage type chain plate conveying mechanism, and the mechanical continuous encapsulation is realized by matching with the combination mechanism, so that the production efficiency is further improved, and the cost is reduced.
Drawings
FIG. 1 is a schematic diagram of a fully automatic battery plate wrapping apparatus;
in fig. 1: 1. a front conveyor chain; 2. a polar plate encapsulation mechanism; 3. a back conveying chain; 4. a circulating chain plate feeding mechanism; 5. a pneumatic manipulator mechanism; 6. a separator paper finishing mechanism;
FIG. 2 is a schematic structural view of a separator paper pushing and enveloping mechanism;
In fig. 2: 2-1, a push plate; 2-2, eccentric wheel a;2-3, wrapping wheel; 2-4, a single piece of separator paper; 2-5, polar plate; 2-6, conveying a synchronous belt;
6-1, a frame a;6-2, a driving shaft; 6-3, eccentric wheel b;6-4, a disc-shaped connecting rod; 6-5, a fish-eye joint; 6-6, a driving shaft; 6-7, a baffle shovel; 6-7-1, a skateboard; 6-7-2, a shovel plate; 6-8, sliding rails; 6-9, a blocking block adjusting mechanism; 6-10, an inclined storage tank; 6-11, a separator paper traction roller a;6-12, a baffle paper guide groove; 6-13, a blocking block;
FIG. 3 is a schematic perspective view of a separator paper pushing and enveloping mechanism;
in fig. 3: I. polar plate pushing device; II. A separator paper pushing mechanism; 6-1A, a stand vertical plate a of the frame; 6-1B, a stand vertical plate B of the stand; 6-7, a baffle shovel; 7. a separator paper; 6-10, an inclined storage tank;
FIG. 4 is a schematic (partial) perspective view of another orientation of the separator paper feed encapsulation mechanism;
2-7, wrapping a pressing roller; 2-8, a discharging roller path; 6-1A, a stand vertical plate a of the frame; 6-9, a separator paper adjusting mechanism; 6-11, a separator paper traction roller a;6-12, baffle paper guide groove.
FIG. 5 is a schematic view of the separator paper feed mechanism of FIG. 3;
In the figure: 6-11, a separator paper traction roller a;6-12, a baffle paper guide groove; 6-14, synchronizing wheel a;6-15, a pressing wheel a;6-16, synchronizing wheel b;6-17, a pressing wheel b;6-18, a photoelectric switch bracket; 6-19, a baffle paper traction roller b;
FIG. 6 is a schematic perspective view of the plate encapsulating mechanism of FIG. 3;
In the figure: 6-1A, a stand vertical plate a of the frame; 6-1B, a stand vertical plate B of the stand; 2-4, single-layer partition paper; 2-9, chain a;2-10, connecting rod; 2-11, an adapter plate; 2-12, a sliding block; 2-13, chain wheel; 2-14, an encapsulation baffle;
FIG. 7 is a schematic structural view of the circulating chain plate feeding mechanism of the present invention;
in the figure: 4-1, a frame b;4-2, a speed reducing motor; 4-3, a storage tank; 7. a separator paper; 4-4, a chain b;
FIG. 8 is a schematic structural view of a pneumatic manipulator mechanism according to the present invention;
in the figure: 5-1, a frame c;5-2, rotating the cylinder; 5-3, a telescopic cylinder; 5-4, air holes; 5-5, air claw.
FIG. 9 is an enlarged schematic view of the portion I of FIG. 2;
In fig. 9: 9-1, adjusting a screw; 9-2, pre-tightening a spring; 9-3, fixing the bracket; 9-4, locating pins; 6-13-1, adjusting plate; 6-13-2, vertical plates; 6-13-3, and a blocking plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. The relative arrangement, expressions and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations).
As shown in fig. 1, the storage battery sheet separator plate wrapping equipment is used for wrapping a to-be-wrapped polar plate in U-shaped separator paper and comprises a feeding mechanism, a pneumatic manipulator mechanism and a separator paper pushing wrapping mechanism; in addition, the front conveying chain and the back conveying chain in the drawing are used as auxiliary supplements to the scheme, and are only used for describing how the polar plates to be encapsulated enter the plate wrapping equipment.
As shown in fig. 1 to 7 and 9, the separator paper pushing and packaging mechanism comprises a separator paper finishing mechanism and a polar plate packaging mechanism, wherein:
The baffle paper sorting mechanism comprises a storage tank, a baffle paper pushing mechanism and a baffle paper falling plate mechanism; the polar plate encapsulation mechanism comprises an encapsulation wheel;
A storage tank in which laminated separator paper is arranged, wherein the laminated separator paper is formed by laminating a plurality of sheet separator papers; a material outlet is arranged on the material storage tank;
The actuating head of the separator paper pushing mechanism can be aligned with the rear end of the bottom separator paper at the lowest layer in the laminated separator paper, the front end of the bottom separator paper is aligned with the material outlet of the material storage tank, and the height of the material outlet of the material storage tank is consistent with the thickness of the bottom separator paper;
the separator paper falling plate mechanism is used for falling the bottom separator paper pushed out by the separator paper pushing mechanism into a position to be encapsulated and comprises a separator paper traction mechanism and a separator paper guide groove;
The bottom separator paper in the laminated separator paper is pushed out to a feed inlet of a separator paper traction mechanism from a material outlet of a storage tank under the power action of a separator paper pushing mechanism;
the bottom layer separator paper can move along the separator paper guide groove under the power traction of the separator paper traction mechanism until the bottom layer separator paper is vertically placed;
Each separator paper above the bottom separator paper in the laminated separator paper can be downwards moved into new bottom separator paper one by one after the bottom separator paper is completely moved out of the storage tank;
One side of the bottom layer partition board paper which is vertically placed is provided with a pole plate to be encapsulated, and the pole plate to be encapsulated is connected with the power output end of the pole plate pushing mechanism; the other side of the bottom layer partition board paper is provided with an encapsulation baffle plate, and the encapsulation baffle plate is provided with a partition board paper pretreatment hole at a position corresponding to the middle part of the bottom layer partition board paper which is vertically placed;
The pole plate to be encapsulated can horizontally move under the power drive of the pole plate pushing mechanism, is horizontally arranged on one side of the bottom layer partition board paper placed vertically, and passes through the partition board pretreatment hole together until the pole plate to be encapsulated is contacted with the middle position of the bottom layer partition board placed vertically, so that the bottom layer partition board placed vertically is bent into U-shaped partition board from the middle position under the power drive of the pole plate pushing mechanism, the pole plate to be encapsulated placed horizontally is positioned between two side arms of the U-shaped partition board, and the advancing end of the pole plate to be encapsulated is contacted with the closed end of the U-shaped partition board; and under the continuous action of the polar plate pushing mechanism, the polar plates enter the wrapping wheel together to finish wrapping.
In order to push the baffle papers out of the storage tanks one by one, the storage tanks are inclined storage tanks which comprise inclined storage tank walls and rear-end paper pressing boards; the front side surface of the laminated partition board paper leans against the inclined storage tank wall, and the rear side surface is pressed by the rear end paper pressing board; the inclination angle of the inclined material storage groove wall is smaller than 90 degrees; the baffle paper pushing mechanism comprises a first crank sliding block mechanism and a baffle shovel, and the baffle shovel comprises a sliding plate and a shovel plate; the shovel plate is embedded on the surface of the sliding plate and protrudes out of the surface of the sliding plate, and the height of the shovel plate relative to the surface of the sliding plate is not greater than the thickness of one piece of partition board paper. The inclined storage tank wall comprises two supporting frames arranged at intervals, the lower ends of the supporting frames are fixed on the front end side edges of the rectangular frame plates, a blocking block is arranged between the two supporting frames, and a gap between the lower ends of the blocking blocks and the front end side edges of the rectangular frame is just a material outlet of the storage tank. The two ends of the rear end paper pressing plate are respectively fixed on a group of parallel side edges of the rectangular frame plate.
In order to adjust the gap between the lower end of the blocking block and the front end side of the rectangular frame, the blocking block is connected with a blocking block adjusting mechanism, as shown in fig. 9, and the blocking block is provided with a special structure, and comprises an adjusting plate, a transverse straight plate and a blocking plate, wherein: the adjusting plate and the blocking plate are vertically arranged and are respectively connected with the two ends of the transverse straight plate, the end faces of the adjusting plate extend above the transverse straight plate, and the end faces of the blocking plate extend below the transverse straight plate. The blocking block adjusting mechanism comprises an adjusting screw and a pre-tightening spring; the adjusting plate is arranged on the fixed support through an adjusting screw, the fixed support is fixedly arranged on the inclined storage groove wall of the storage groove, and a pre-tightening spring is arranged between the transverse straight plate and the fixed support. Therefore, by rotating the adjustment screw, the gap between the end face of the blocking piece and the front end side of the rectangular frame can be adjusted so that the gap allows only one piece of separator paper to pass.
The frame a comprises a frame vertical plate a, a frame vertical plate b and a rectangular frame which are arranged in parallel, wherein the rectangular frame is arranged between the frame vertical plate a and the frame vertical plate b, and the left side and the right side of the rectangular frame are respectively and correspondingly fixed with the frame vertical plate a and the frame vertical plate b.
The first crank slider mechanism is arranged on the frame a, and as shown in fig. 2 and 3, comprises a synchronous belt wheel transmission mechanism, an eccentric wheel b, a disc-shaped connecting rod and a fish-eye joint; the synchronous pulley transmission mechanism is arranged on the upper side of the stand vertical plate a of the machine frame, the power output end is connected with the eccentric wheel b, the eccentric wheel b is positioned and supported on the machine frame a, the eccentric wheel b is connected with the disc-shaped connecting rod, the disc-shaped connecting rod is positioned and supported on the machine frame a, and the disc-shaped connecting rod is connected with the sliding plate of the baffle shovel through the fisheye joint; the sliding plate of the baffle shovel is movably arranged on a sliding rail, and the sliding rail is paved on the rectangular frame of the rack a.
One end of the bottom layer partition board paper is lapped on the board surface of the sliding board at one side of the shovel board, and the other end of the bottom layer partition board paper is arranged towards the material outlet of the inclined storage tank; the plate body of the sliding plate on the other side of the shovel plate is connected with the power output end of the first crank slide block mechanism;
the baffle shovel can do reciprocating linear movement under the action of the first crank slide block mechanism; when the baffle shovel moves forward under the action of the first crank sliding block mechanism, the baffle shovel can be contacted with the bottom layer baffle paper through the shovel plate; under the continuous action of the first crank block mechanism, the shovel plate can only shovel the bottom layer partition board paper out of the material outlet of the inclined storage tank until the front end of the bottom layer partition board paper reaches the feeding port of the partition board paper traction mechanism, the partition board shovel retracts to the original position under the continuous action of the first crank block mechanism, at the moment, the bottom layer partition board paper is just completely moved out of the inclined storage tank under the driving of the partition board paper traction mechanism, and meanwhile, the laminated partition board paper can slide downwards along the wall of the inclined storage tank until the partition board paper at the lowest layer is lapped on the slide plate.
As shown in fig. 2,3 and 6, the polar plate pushing mechanism is arranged on the frame a and is a second crank slide block mechanism, and comprises a chain wheel and chain transmission mechanism, an eccentric wheel a, a connecting rod, a slide block, a guide rail and a push plate; the chain wheel and chain transmission mechanism is arranged at the lower side of the stand plate a of the machine frame, the power output end of the chain wheel and chain transmission mechanism is connected with the eccentric wheel a, and the eccentric wheel a is positioned and supported on the stand plate a of the machine frame. One end of the connecting rod is connected with the eccentric wheel a, the other end of the connecting rod is connected with the sliding block through the adapter plate, the sliding block is movably arranged with the guide rail, the guide rail is paved on the transverse short plate below the stand vertical plate a of the machine frame, the push plate is fixed with the sliding block, and the push plate is positioned between the stand vertical plate a and the stand vertical plate b of the machine frame.
As shown in fig. 4 and 5, the separator paper traction mechanism comprises two groups of traction rollers and a synchronous pulley mechanism for driving the two groups of traction rollers to synchronously rotate;
The two groups of traction rollers are respectively a baffle paper traction roller a and a baffle paper traction roller b; the separator paper traction roller a is connected with the separator paper traction roller b through a synchronous pulley mechanism; the baffle paper traction roller a is arranged at the feeding position of the baffle paper guide groove, and the baffle paper traction roller b is arranged at the discharging position of the baffle paper guide groove.
The separator paper traction roller a is provided with a pressing wheel a, and the separator paper traction roller b is provided with a pressing wheel b; the front end of the bottom layer separator paper enters between the separator paper traction roller a and the pressing wheel a under the traction of the separator paper traction roller a, and moves along the separator paper guide groove under the continuous action of the separator paper traction roller a until the front end of the bottom layer separator paper enters between the separator paper traction roller b and the pressing wheel b; then gradually moving out of the separator paper traction mechanism under the synchronous driving of the separator paper traction roller a and the separator paper traction roller b; and finally, completely removing the separator paper traction mechanism under the continuous action of the separator paper traction roller b.
As shown in fig. 7, the feeding mechanism comprises a step driving mechanism, a conveying belt connected with a power output end of the step driving mechanism and a plurality of storage tanks equidistantly arranged on the conveying belt at intervals; laminated separator paper is placed in the storage tank; each storage tank can move step by step on the conveyer belt under the power drive of the step driving mechanism and is conveyed to the discharge hole of the conveyer belt one by one; the step length of the step driving mechanism is the interval between two adjacent storage tanks. The laminated separator paper is formed by laminating a plurality of sheet separator papers.
The step driving mechanism comprises a step speed reducing motor, and the power output end of the step speed reducing motor is connected with the chain wheel and chain transmission mechanism c; the chain wheel and chain transmission mechanism c comprises a transmission chain wheel c and a conveying chain which is circulated through the transmission chain wheel c; the conveying belt is a conveying chain; a plurality of hanging lugs are arranged on the conveying chain at equal intervals; each storage groove is arranged on the hanging lug.
The conveying chain is a customized chain with hanging lugs, and the hanging lugs of the conveying chain are provided with storage grooves. The storage tanks are separated by a certain distance, and a plurality of storage tanks are arranged on one circle of the conveying chain. When the separator paper is loaded, the storage tank at the upper part of the conveying chain is filled with the separator paper manually. When the device works, the pneumatic manipulator mechanism grabs and places the sheet separator paper in the separator paper storage tank on the inclined storage tank slot by slot. The feeding mechanism is driven by the gear motor to walk one slot position every time the pneumatic manipulator mechanism moves.
As shown in fig. 8, the pneumatic manipulator mechanism comprises a pneumatic claw driving mechanism and a pneumatic claw connected with the power output end of the pneumatic claw driving mechanism; the air claw driving mechanism comprises a rotary cylinder and a telescopic cylinder; the cylinder body of the rotary cylinder is fixedly arranged on the frame b, and the power output end of the rotary cylinder is connected with the cylinder body of the telescopic cylinder; the power output end of the telescopic cylinder is connected with the air claw.
When the automatic feeding device is in operation, the air claw can grasp laminated baffle paper placed in the storage groove at the discharge hole of the conveying belt under the power drive of the air claw driving mechanism, then move to the feeding hole of the inclined storage groove, and simultaneously adjust the angle of the grasped laminated baffle paper by adjusting the angle of the air claw, so that the laminated baffle paper at the feeding hole of the inclined storage groove is promoted to have an angle consistent with the inclination angle of the wall of the inclined storage groove, and at the moment, the laminated baffle paper is directly leaned against the wall of the inclined storage groove.
Working principle:
The servo motor is connected with the driving wheel, the driving wheel drives the driving shaft, the driving shaft drives the eccentric wheel b and the disc-shaped connecting rod, the baffle shovel is driven to reciprocate through the fisheye connector, a piece of bottom baffle paper is shoveled in each period, the baffle paper on the bottom baffle paper is blocked by the blocking plate, each time only the bottom baffle paper is pushed, the shoveled baffle paper is driven by the baffle paper traction roller to enter the baffle paper guide groove, and finally the baffle paper falls to the vertical position to enter a state to be encapsulated. At the moment, the eccentric wheel a drives the push plate to push the polar plate to be encapsulated into the encapsulation wheel, the encapsulation wheel sends the polar plate wrapped with the partition plate out through the conveying synchronous belt, so that the encapsulation is finished for one time, and the automatic encapsulation of the polar plate of the storage battery is realized by reciprocating.
According to the battery sheet separator plate wrapping equipment, the invention provides a battery sheet separator plate wrapping method, which comprises the following steps:
(1) The separator paper pushing mechanism is driven forward, the bottom separator paper which is positioned at the lowest part in the laminated separator paper in the storage tank is pushed out from the storage tank until the separator paper falls into the feed inlet of the separator paper feeding mechanism, and then the separator paper feeding mechanism is retracted;
(2) The separator paper board falling mechanism adopts a traction roller to push out the bottom separator paper from the storage tank, and the bottom separator paper is vertically placed after being turned by the guide of the separator paper guide groove;
(3) The method comprises the steps that a pole plate pushing mechanism is adopted, a pole plate to be encapsulated is translated until the pole plate to be encapsulated is contacted with the middle position of one side of a vertically placed bottom layer of baffle paper, and then the pole plate to be encapsulated passes through a baffle paper pretreatment hole formed in an encapsulation baffle plate arranged on the other side of the bottom layer of baffle paper, so that the vertically placed bottom layer of baffle paper is bent into U-shaped baffle paper from the middle position under the driving of the pole plate pushing mechanism, the pole plate to be encapsulated is horizontally placed between two side arms of the U-shaped baffle paper, and the advancing end of the pole plate to be encapsulated is contacted with the closed end of the U-shaped baffle paper; under the continuous action of the polar plate pushing mechanism, the polar plate pushing mechanism enters the encapsulation wheel together to complete the encapsulation between the bottom layer baffle paper pushed out in the step (1) and the polar plate to be encapsulated;
(4) Each separator paper above the bottom separator paper in the laminated separator paper can be downwards moved into new bottom separator paper one by one after the bottom separator paper is completely moved out of the storage tank;
and (3) the new bottom layer separator paper is subjected to the treatment of the steps (1) to (3), so that the encapsulation between the corresponding bottom layer separator paper and the polar plate to be encapsulated can be completed.
Claims (10)
1. The storage battery sheet-shaped separator plate wrapping equipment is used for wrapping a to-be-wrapped polar plate in U-shaped separator paper and is characterized by comprising a separator paper pushing and wrapping mechanism; the separator paper pushing and packaging mechanism comprises a separator paper sorting mechanism and a polar plate packaging mechanism, wherein:
The baffle paper sorting mechanism comprises a storage tank, a baffle paper pushing mechanism and a baffle paper falling plate mechanism; the polar plate encapsulation mechanism comprises an encapsulation wheel;
A storage tank in which laminated separator paper is arranged, wherein the laminated separator paper is formed by laminating a plurality of sheet separator papers; a material outlet is arranged on the material storage tank;
The actuating head of the separator paper pushing mechanism can be aligned with the rear end of the bottom separator paper at the lowest layer in the laminated separator paper, the front end of the bottom separator paper is aligned with the material outlet of the material storage tank, and the height of the material outlet of the material storage tank is consistent with the thickness of the bottom separator paper;
The baffle paper falling mechanism comprises a baffle paper traction mechanism and a baffle paper guide groove;
The bottom separator paper in the laminated separator paper is pushed out to a feed inlet of a separator paper traction mechanism from a material outlet of a storage tank under the power action of a separator paper pushing mechanism;
the bottom layer separator paper can move along the separator paper guide groove under the power traction of the separator paper traction mechanism until the bottom layer separator paper is vertically placed;
Each separator paper above the bottom separator paper in the laminated separator paper can be downwards moved into new bottom separator paper one by one after the bottom separator paper is completely moved out of the storage tank;
One side of the bottom layer partition board paper which is vertically placed is provided with a pole plate to be encapsulated, and the pole plate to be encapsulated is connected with the power output end of the pole plate pushing mechanism; the other side of the bottom layer partition board paper is provided with an encapsulation baffle plate, and the encapsulation baffle plate is provided with a partition board paper pretreatment hole at a position corresponding to the middle part of the bottom layer partition board paper which is vertically placed;
The pole plate to be encapsulated can horizontally move under the power drive of the pole plate pushing mechanism, is horizontally arranged on one side of the bottom layer partition board paper placed vertically, and passes through the partition board pretreatment hole together until the pole plate to be encapsulated is contacted with the middle position of the bottom layer partition board placed vertically, so that the bottom layer partition board placed vertically is bent into U-shaped partition board from the middle position under the power drive of the pole plate pushing mechanism, the pole plate to be encapsulated placed horizontally is positioned between two side arms of the U-shaped partition board, and the advancing end of the pole plate to be encapsulated is contacted with the closed end of the U-shaped partition board; and under the continuous action of the polar plate pushing mechanism, the polar plates enter the wrapping wheel together to finish wrapping;
The storage tank is an inclined storage tank, and the inclined storage tank comprises an inclined storage tank wall and a rear end paper pressing plate; the front side surface of the laminated partition board paper leans against the inclined storage tank wall, and the rear side surface is pressed by the rear end paper pressing board; the inclination angle of the inclined material storage groove wall is smaller than 90 degrees;
the baffle paper pushing mechanism comprises a first crank sliding block mechanism and a baffle shovel, and the baffle shovel comprises a sliding plate and a shovel plate;
The shovel plate is embedded on the plate surface of the sliding plate and protrudes out of the plate surface of the sliding plate, and the height of the shovel plate relative to the plate surface of the sliding plate is not more than the thickness of one piece of partition paper;
The inclined storage tank wall comprises two supporting frames arranged at intervals, the lower ends of the supporting frames are fixed on the side edges of the front end of the rectangular frame plate, a blocking block is arranged between the two supporting frames, and a gap between the lower end of the blocking block and the side edge of the front end of the rectangular frame is just a material outlet of the storage tank; the two ends of the rear end paper pressing plate are respectively fixed on a group of parallel side edges of the rectangular frame plate.
2. The battery sheet separator plate packaging device according to claim 1, wherein one end of the bottom separator plate is lapped on the plate surface of the sliding plate at one side of the shovel plate, and the other end of the bottom separator plate is arranged towards the material outlet of the inclined material storage tank; the plate body of the sliding plate on the other side of the shovel plate is connected with the power output end of the first crank slide block mechanism;
the baffle shovel can do reciprocating linear movement under the action of the first crank slide block mechanism; when the baffle shovel moves forward under the action of the first crank sliding block mechanism, the baffle shovel can be contacted with the bottom layer baffle paper through the shovel plate; under the continuous action of the first crank block mechanism, the shovel plate can only shovel the bottom layer partition board paper out of the material outlet of the inclined storage tank until the front end of the bottom layer partition board paper reaches the feeding port of the partition board paper traction mechanism, the partition board shovel retracts to the original position under the continuous action of the first crank block mechanism, at the moment, the bottom layer partition board paper is just completely moved out of the inclined storage tank under the driving of the partition board paper traction mechanism, and meanwhile, the laminated partition board paper can slide downwards along the wall of the inclined storage tank until the partition board paper at the lowest layer is lapped on the slide plate.
3. The storage battery sheet separator plate wrapping equipment according to claim 2, wherein the first crank block mechanism is arranged on the frame a and comprises a synchronous pulley transmission mechanism, an eccentric wheel b, a disc-shaped connecting rod and a fish eye joint; the power output end of the synchronous pulley transmission mechanism is connected with an eccentric wheel b, the eccentric wheel b is connected with a disc-shaped connecting rod, and the disc-shaped connecting rod is connected with a sliding plate of the baffle shovel through a fisheye joint;
the sliding plate of the baffle shovel is movably arranged on the sliding rail, and the sliding rail is paved on the frame a.
4. The storage battery sheet separator plate packaging equipment according to claim 2, wherein the polar plate pushing mechanism is arranged on the frame a and is a second crank slide block mechanism, and comprises a chain wheel and chain transmission mechanism, an eccentric wheel a, a connecting rod, a slide block, a guide rail and a push plate;
the power output end of the chain wheel and chain transmission mechanism is connected with the eccentric wheel a, one end of the connecting rod is connected with the eccentric wheel a, the other end of the connecting rod is connected with the sliding block through the adapter plate, the sliding block is movably arranged with the guide rail, and the push plate is fixed with the sliding block.
5. The battery sheet separator plate wrapping apparatus of claim 2 wherein said separator paper traction mechanism includes two sets of traction rollers and a synchronous pulley mechanism for driving the two sets of traction rollers to move in synchronous rotation;
The two groups of traction rollers are respectively a baffle paper traction roller a and a baffle paper traction roller b; the separator paper traction roller a is connected with the separator paper traction roller b through a synchronous pulley mechanism; the baffle paper traction roller a is arranged at the feeding position of the baffle paper guide groove, and the baffle paper traction roller b is arranged at the discharging position of the baffle paper guide groove.
6. The battery sheet separator plate wrapping apparatus according to claim 5, wherein the separator paper pulling roll a is provided with a pinch roller a, and the separator paper pulling roll b is provided with a pinch roller b;
The front end of the bottom layer separator paper enters between the separator paper traction roller a and the pressing wheel a under the traction of the separator paper traction roller a, and moves along the separator paper guide groove under the continuous action of the separator paper traction roller a until the front end of the bottom layer separator paper enters between the separator paper traction roller b and the pressing wheel b; then gradually moving out of the separator paper traction mechanism under the synchronous driving of the separator paper traction roller a and the separator paper traction roller b; and finally, completely removing the separator paper traction mechanism under the continuous action of the separator paper traction roller b.
7. The battery sheet separator wrapping apparatus of claim 2 further comprising a feed mechanism, a pneumatic manipulator mechanism;
The feeding mechanism comprises a stepping driving mechanism, a conveying belt connected with the power output end of the stepping driving mechanism and a plurality of storage tanks equidistantly arranged on the conveying belt at intervals; laminated separator paper is placed in the storage tank; each storage tank can move step by step on the conveyer belt under the power drive of the step driving mechanism and is conveyed to the discharge hole of the conveyer belt one by one; the step length of the step driving mechanism is the interval between two adjacent storage tanks;
The pneumatic manipulator mechanism comprises a pneumatic claw driving mechanism and a pneumatic claw connected with a power output end of the pneumatic claw driving mechanism;
the gas claw can grasp the laminated baffle paper placed in the storage tank at the discharge port of the conveying belt under the power drive of the gas claw driving mechanism, then move to the feed port of the inclined storage tank, and simultaneously adjust the angle of the grasped laminated baffle paper by adjusting the angle of the gas claw, so that the laminated baffle paper at the feed port of the inclined storage tank is promoted to have an angle consistent with the inclination angle of the wall of the inclined storage tank, and at the moment, the laminated baffle paper is directly leaned against the wall of the inclined storage tank.
8. The battery sheet separator plate wrapping apparatus according to claim 7, wherein said air claw driving mechanism comprises a rotary cylinder and a telescopic cylinder; the cylinder body of the rotary cylinder is fixedly arranged on the frame c, and the power output end of the rotary cylinder is connected with the cylinder body of the telescopic cylinder; the power output end of the telescopic cylinder is connected with the air claw.
9. The battery sheet separator plate wrapping apparatus according to claim 7, wherein the step driving mechanism includes a step-by-step reduction motor, and a power output end of the step-by-step reduction motor is connected with the sprocket chain transmission mechanism c; the chain wheel and chain transmission mechanism c comprises a transmission chain wheel c and a conveying chain which is circulated through the transmission chain wheel c;
the conveying belt is a conveying chain; a plurality of hanging lugs are arranged on the conveying chain at equal intervals; each storage groove is arranged on the hanging lug.
10. A battery sheet separator sheathing method, which is realized based on the battery sheet separator sheathing apparatus according to claim 1, characterized by comprising the steps of:
(1) The separator paper pushing mechanism is driven forward, the bottom separator paper which is positioned at the lowest part in the laminated separator paper in the storage tank is pushed out from the storage tank until the separator paper falls into the feed inlet of the separator paper feeding mechanism, and then the separator paper feeding mechanism is retracted;
(2) The separator paper board falling mechanism adopts a traction roller to push out the bottom separator paper from the storage tank, and the bottom separator paper is vertically placed after being turned by the guide of the separator paper guide groove;
(3) The method comprises the steps that a pole plate pushing mechanism is adopted, a pole plate to be encapsulated is translated until the pole plate to be encapsulated is contacted with the middle position of one side of a vertically placed bottom layer of baffle paper, and then the pole plate to be encapsulated passes through a baffle paper pretreatment hole formed in an encapsulation baffle plate arranged on the other side of the bottom layer of baffle paper, so that the vertically placed bottom layer of baffle paper is bent into U-shaped baffle paper from the middle position under the driving of the pole plate pushing mechanism, the pole plate to be encapsulated is horizontally placed between two side arms of the U-shaped baffle paper, and the advancing end of the pole plate to be encapsulated is contacted with the closed end of the U-shaped baffle paper; under the continuous action of the polar plate pushing mechanism, the polar plate pushing mechanism enters the encapsulation wheel together to complete the encapsulation between the bottom layer baffle paper pushed out in the step (1) and the polar plate to be encapsulated;
(4) Each separator paper above the bottom separator paper in the laminated separator paper can be downwards moved into new bottom separator paper one by one after the bottom separator paper is completely moved out of the storage tank;
and (3) the new bottom layer separator paper is subjected to the treatment of the steps (1) to (3), so that the encapsulation between the corresponding bottom layer separator paper and the polar plate to be encapsulated can be completed.
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| JPS5425433A (en) * | 1977-07-28 | 1979-02-26 | Yuasa Battery Co Ltd | Method and apparatus for making cell |
| WO1992009114A1 (en) * | 1990-11-09 | 1992-05-29 | Weiler Engineering, Inc. | Method and apparatus for winding a core for an electrochemical cell and processing thereof |
| JP2009146727A (en) * | 2007-12-14 | 2009-07-02 | Panasonic Corp | Control valve type lead-acid battery |
| CN104505541B (en) * | 2012-09-04 | 2016-11-16 | 江苏省电力公司常州供电公司 | The battery pole plates wrapper sheet machine that production efficiency is higher |
| CN202871914U (en) * | 2012-09-29 | 2013-04-10 | 江苏先特能源装备有限公司 | Multi-unit battery packaging device for electric bicycle |
| WO2015009203A1 (en) * | 2013-07-17 | 2015-01-22 | Общество с ограниченной ответственностью "Ё-Инжиниринг" | Electrochemical device (variants) |
| CN105161651B (en) * | 2015-09-15 | 2017-07-04 | 石家庄正晟自动化设备有限公司 | A kind of battery PE dividing plate sealing machines |
| CN106025153A (en) * | 2016-07-15 | 2016-10-12 | 镇江奥美机电设备有限公司 | PE partition wrapping machine for battery |
| CN207530054U (en) * | 2017-11-09 | 2018-06-22 | 江苏先特能源装备有限公司 | A kind of full-automatic wrapper sheet mechanism of accumulator plate |
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