CN108428571B - Winding device and winding method - Google Patents
Winding device and winding method Download PDFInfo
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- CN108428571B CN108428571B CN201810121364.3A CN201810121364A CN108428571B CN 108428571 B CN108428571 B CN 108428571B CN 201810121364 A CN201810121364 A CN 201810121364A CN 108428571 B CN108428571 B CN 108428571B
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- 238000004804 winding Methods 0.000 title claims abstract description 350
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005096 rolling process Methods 0.000 claims abstract description 141
- 230000007246 mechanism Effects 0.000 claims abstract description 138
- 230000033001 locomotion Effects 0.000 claims abstract description 106
- 239000002994 raw material Substances 0.000 claims abstract description 65
- 239000003990 capacitor Substances 0.000 claims abstract description 53
- 230000001360 synchronised effect Effects 0.000 claims description 27
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 abstract description 6
- 239000011888 foil Substances 0.000 description 18
- 230000008569 process Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 238000003475 lamination Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/02—Machines for winding capacitors
Abstract
The invention discloses a winding device which comprises a mounting plate, a needle winding frame, a raw material clamping and winding component and a needle winding motion component. The invention also discloses a winding method of the winding device, wherein the rotating shaft rotates to drive the winding needle to clamp the raw material and primarily wind the raw material; the winding needle linear motion mechanism completely pushes out the winding needle to continue winding the raw material until the raw material is wound to a set specification; the winding needle rotating and moving mechanism drives the winding needle to rotate to the capacitor conveying belt; the two parallel rolling needle linear motion mechanisms drive the rolling needle to retract completely, and the capacitor falls off; the rolling needle linear motion mechanism drives the rolling needle to extend out a part of the length. The invention can effectively solve the problems of poor working stability and low winding precision of the existing winding device, thereby optimizing the consistency of the laminated coil and improving the storage performance of the capacitor.
Description
Technical Field
The present invention relates to the technical field of capacitor production equipment, and in particular to a winding device for laminating and winding electrolytic paper and positive and negative electrode foils and a winding method of the winding device.
Background
The capacitor is a novel energy storage element similar to a battery, has the advantages of high charge and discharge speed, no pollution to the environment, long cycle life and the like, and has become one of the novel green energy sources with the most application prospect, wherein the power density of the novel energy storage element is tens of times higher than that of the battery. However, capacitor production equipment is still an important bottleneck for restricting the development of the domestic capacitor industry, and the dependence of lamination, winding, liquid injection and other processes on equipment is high. The lamination winding forming of the electrolytic paper and the positive and negative electrode foils is one of the most critical working procedures for capacitor production, and the winding performance of the winding device has extremely important practical significance for the quality of the capacitor in the winding process. At present, a winding device in a capacitor winding machine is generally composed of a winding drum, a swing arm, a coil discharging top plate and a driving mechanism; under the action of the swing arm, the lamination of the electrolytic paper/the positive and negative foil is wound on the winding drum, and when the lamination is wound to a specified value, the driving mechanism automatically stops rotating; under the action of the air cylinder, the coil stripping top plate ejects the electrolytic paper/positive and negative foil lamination coil wound on the coil to the coil, and the coil stripping process is completed; after unreeling, the reeling device starts the next reeling cycle. The winding device is simple in structure, but poor in working stability and low in winding precision, the winding cores obtained by winding the winding device are poor in consistency, the storage performance of the capacitor is accelerated to age due to the inconsistency of laminated winding, and the effective service life of the capacitor is greatly shortened.
It can be seen that at least the following drawbacks exist in the prior art: the existing winding device has poor working stability, low winding precision and poor consistency of the laminated coil obtained by winding the device, and seriously worsens the storage performance of the capacitor.
Therefore, there is a need to provide a technical means to solve the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a winding device and a winding method thereof, so as to solve the problems of poor working stability and low winding precision of the existing winding device, thereby optimizing the consistency of laminated rolls and improving the storage performance of a capacitor.
The invention provides a winding device, which is used for winding raw materials in a capacitor production process, and comprises the following components:
the mounting plate is used for fixing the winding device;
the winding needle frame is arranged on the mounting plate, and is provided with a winding needle serving as a winding shaft, and the winding needle frame synchronously move;
the raw material clamping and winding component is arranged on the mounting plate and is adjacently arranged on the needle winding frame so that the needle winding clamps the raw material and winds the raw material;
the winding needle moving component is arranged on the mounting plate and is adjacently arranged on the winding needle frame, and the winding needle moving component is connected with the winding needle frame so as to enable the winding needle frame to move to a designated position, and the winding needle winds raw materials at the designated position or separates a capacitor manufactured through winding.
Preferably, the raw material clamping and winding component comprises a rotating shaft and a rotating shaft driving mechanism for driving the rotating shaft to rotate, the rotating shaft is connected with the needle winding frame, the rotating shaft drives the needle winding frame to rotate, and the needle winding rotates along with the needle winding frame to wind the raw material.
Preferably, the rotating shaft driving mechanism comprises at least one rotating shaft power source, at least two synchronous wheel sets respectively connected with the at least one rotating shaft power source, and the at least two synchronous wheel sets are connected through a synchronous belt;
each synchronous wheel group comprises a driving wheel and a driven wheel connected with the driving wheel through a synchronous belt, and the driving wheel is connected with a rotating shaft power source; at least one driven wheel corresponding to at least two synchronous wheel sets is arranged on the rotating shaft;
the rotating shaft power source drives the driving wheel to rotate so as to drive the driven wheel to rotate, so that the driven wheel arranged on the rotating shaft drives the rotating shaft to rotate.
Preferably, the rolling needle moving component comprises a rolling needle linear moving mechanism and a rolling needle rotary moving mechanism which are adjacently arranged on the rolling needle frame;
the rolling needle linear motion mechanism and the rolling needle frame are respectively connected with a rolling needle rod, and the rolling needle rod is arranged between the rolling needle linear motion mechanism and the rolling needle frame;
the rolling needle rotary motion mechanism and the rolling needle frame are respectively connected with a sleeve which can be rotatably sleeved on the rotating shaft, and the sleeve is arranged between the rolling needle rotary motion mechanism and the rolling needle frame;
the rolling needle linear motion mechanism is used for enabling the rolling needle frame to extend or retract relative to the mounting frame; the winding needle rotating and moving assembly is used for rotating the winding needle which finishes winding to the capacitor conveying belt.
Preferably, the rolling needle linear motion mechanism comprises:
the sliding rail is arranged on the mounting plate;
the sliding block is arranged on the sliding rail and connected with the needle winding rod;
the swing arm comprises a first end and a second end, the first end is connected with a swing arm power source, and the second end is connected with the sliding block;
the swing arm power source drives the swing arm to move, and the swing arm drives the sliding block to move on the sliding rail so as to drive the needle rolling rod to move, so that the needle rolling frame moves linearly.
Preferably, the rolling needle linear motion mechanism comprises a first rolling needle linear motion mechanism, a second rolling needle linear motion mechanism and a third rolling needle linear motion mechanism, wherein the first rolling needle linear motion mechanism is arranged above a plane where the rotating shaft is positioned, and the second rolling needle linear motion mechanism and the third rolling needle linear motion mechanism are arranged below the plane where the rotating shaft is positioned in parallel;
the first consistent winding needle linear motion mechanism is used for driving the winding needle frame to extend completely in a direction away from the rotating shaft power source so as to wind the raw materials;
the second winding needle linear motion mechanism is used for driving the winding needle frame to retract completely towards the direction of the rotating shaft power source so as to separate the capacitor manufactured through winding;
the third winding needle linear motion mechanism is a bidirectional motion mechanism and is used for driving the winding needle frame to extend relative to the mounting plate in the direction away from the rotating shaft power source or driving the winding needle frame to retract relative to the mounting plate in the direction towards the rotating shaft power source.
Preferably, the winding needle rotation movement mechanism comprises a winding needle revolution module, wherein the winding needle revolution module comprises a winding needle rotation power source, a first driving wheel connected with the winding needle rotation power source and a second driving wheel matched with the first driving wheel, and the second driving wheel is connected with the sleeve; the needle rolling rotary power source drives the first driving wheel and the second driving wheel to rotate so as to drive the sleeve to be connected, and therefore the needle rolling frame is driven to rotate to a designated position.
Preferably, the rolling needle rotating power source is a divider for driving the rolling needle frame to intermittently rotate in the circumferential direction.
Preferably, the rolling needle rotating motion mechanism further comprises a rolling needle rotating module connected with the rolling needle frame and used for enabling the rolling needle to rotate around the rolling needle rotating module serving as an axle center, and the rolling needle rotating module is driven by a motor.
The invention provides a winding method of a winding device, which comprises the following steps:
s1: starting a rotating shaft driving mechanism connected with the rotating shaft to drive the rotating shaft to rotate, so that the winding needle clamps the raw material and winds the raw material;
s2: while executing S1, starting a driving mechanism of a first consistent needle rolling linear motion mechanism connected with the needle rolling frame to drive a needle rolling rod connected with the needle rolling frame to move, so that the needle rolling frame extends out completely along with the needle rolling frame relative to the mounting plate;
s3: continuously executing S1, so that the raw material is wound on a winding needle to a preset specification;
s4: starting a driving mechanism connected with the rolling needle rotating motion mechanism so that the rolling needle rotates to the capacitor conveying belt along with the rolling needle frame;
s5: the driving mechanism of the second rolling needle linear motion mechanism and the driving mechanism of the third rolling needle linear motion mechanism which are connected with the rolling needle frame are started in sequence in the direction opposite to the driving direction of the S2, so that the rolling needle is completely retracted relative to the mounting plate along with the rolling needle frame, and the capacitor falls off onto the capacitor conveying belt;
s6: the driving mechanism of the linear motion mechanism of the third winding needle is started in the direction opposite to the driving direction of the S5 so as to enable the winding needle frame to extend, and the extending length of the winding needle frame relative to the mounting frame is smaller than that of the winding needle frame in the S2 so as to facilitate the next winding cycle.
In summary, a winding device for winding a capacitor raw material, the winding device comprising a mounting plate, a winding needle holder, a raw material clamping and winding member and a winding needle movement member, wherein the mounting plate is used for fixing the winding device; the winding needle frame is arranged on the mounting plate, and is provided with a winding needle serving as a winding shaft, and the winding needle frame synchronously move; the raw material clamping and winding component is arranged on the mounting plate and is adjacently arranged on the needle winding frame so that the needle winding clamps the raw material and winds the raw material; the winding needle moving component is arranged on the mounting plate and is adjacently arranged on the winding needle frame, and the winding needle moving component is connected with the winding needle frame so as to enable the winding needle frame to move to a designated position, and the winding needle winds raw materials at the designated position or separates a capacitor manufactured through winding.
A winding method of a winding device, comprising: the rotating shaft rotates to drive the winding needle to clamp the raw material and primarily wind the raw material; the first consistent winding needle linear motion mechanism completely pushes out the winding needle relative to the mounting plate, and continues winding the raw material until the raw material is wound to a set specification; the winding needle rotation movement mechanism drives the winding needle which finishes the winding process to rotate to the capacitor conveying belt; the second rolling needle linear motion mechanism and the third rolling needle linear motion mechanism drive the rolling needle to retract completely relative to the mounting plate in sequence, the capacitor drops off, and one winding period is finished; in order to facilitate the next winding cycle, the third winding needle linear motion mechanism drives the winding needle to extend out of the mounting plate for a part of length.
Compared with the prior art, the winding device and the winding method of the winding device can effectively solve the problems of poor working stability and low winding precision of the existing winding device, thereby optimizing the consistency of laminated rolls and improving the storage performance of a capacitor.
Drawings
Fig. 1 is a schematic view of a winding device according to a preferred embodiment of the invention.
Fig. 2 is a schematic view of a winding device according to a preferred embodiment of the invention.
Fig. 3 is a flowchart of a winding method of a winding device according to a preferred embodiment of the invention.
Wherein 1, mounting plate, 2, needle rolling frame, 21, first needle rolling frame, 22, second needle rolling frame, 3, needle rolling bar, 31, first needle rolling bar, 32, second needle rolling bar, 4, raw material clamping and winding component, 41, rotating shaft, 42, rotating shaft power source, 43, synchronous wheel group, 44, synchronous belt, 5, needle rolling moving component, 51, needle rolling linear motion mechanism, 511, first needle rolling linear motion mechanism, 5111, first sliding rail, 5112, first swing arm, 5113, first sliding block, 512, second needle rolling linear motion component, 5121, second sliding rail, 5123, second sliding block, 513, third needle rolling linear motion mechanism, 5131, third swing arm, 5132, third sliding block, 52, needle rolling rotary motion mechanism, 521, divider, 522, first driving wheel, 523, second driving wheel, 524 and third driving wheel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. Based on the embodiments of the present invention, other embodiments that may be obtained by those skilled in the art without making any inventive effort are within the scope of the present invention.
Fig. 1 and 2 show a preferred embodiment of the present invention, which provides a winding device for winding raw materials in a capacitor production process, the winding device comprising:
a mounting plate 1 for fixing the winding device;
a needle rolling frame 2 which is arranged on the mounting plate 1, is provided with a needle rolling used as a winding shaft, and moves synchronously with the needle rolling frame;
a raw material clamping and winding member 4 provided on the mounting plate 1 and adjacent to the winding needle holder 2 so that the winding needle clamps the raw material and winds the raw material;
the winding needle moving component 5 is arranged on the mounting plate 1 and is adjacent to the winding needle frame 2, the winding needle moving component 5 is connected with the winding needle frame 2 so as to enable the winding needle frame 2 to move to a designated position, and the winding needle winds raw materials at the designated position or separates a capacitor manufactured through winding.
Specifically, raw materials used in the production process of the capacitor include electrolytic paper, positive electrode foil, and negative electrode foil. The electrolytic paper is also called asbestos paper, is commonly used as an insulating diaphragm of an electrolytic cell in the production and preparation process of an electrolyzer, a battery and the like, and the anode foil and the cathode foil are generally aluminum foil, copper foil, nickel foil and the like. The winding device according to this embodiment requires that the positive electrode foil and the negative electrode foil be introduced into the winding site and stacked with the electrolytic paper, respectively, before operation. The quality of the laminate, such as the flatness of the electrolyte, positive and negative foils, has an important effect on the final wound cell.
Because the capacitor needs to be heated in the manufacturing process of the capacitor, so that electrolytic paper between the positive foil and the negative foil is carbonized, in the process, aluminum foil, copper foil or nickel foil can be oxidized to different degrees, and finally the capacitance and the impedance of the capacitor are reduced and increased, new technologies of plating oxidation-resistant, corrosion-resistant and other films on the surfaces of the foils, such as carbon film plating on the surfaces of the aluminum foil, are presented in the manufacturing method of the capacitor. The interface bonding state between the carbon film and the aluminum foil is a key for determining the performance of the composite film, and the advantages and disadvantages of the interface bonding state depend on the interface wettability between carbon and aluminum, but no effective method for well improving the interface wettability between carbon and aluminum is available at present.
In this embodiment, the raw material clamping and winding member 4 includes a rotating shaft 41 and a rotating shaft driving mechanism for driving the rotating shaft 41 to rotate, the rotating shaft 41 is connected with the needle winding frame 2, the rotating shaft 41 drives the needle winding frame 2 to rotate, and the needle winding rotates along with the needle winding frame 2 to wind the raw material.
The rotary shaft 41 may be a hollow shaft or a solid shaft. In order to avoid the phenomenon that the device cannot function properly due to the cracks of the rotating shaft 41, the following two aspects are often taken into consideration: firstly, a shaft prepared from 30CrMnSiNi2A ultra-high strength steel, and secondly, the control of the assembly process is enhanced so that the rotating shaft 41 bears smaller load in operation; in this embodiment, the optional rotating shaft 41 is a steel shaft with a hardened surface.
In this embodiment, the spindle driving mechanism includes at least one spindle power source 42, at least two synchronizing wheel sets 43 respectively connected with the at least one spindle power source 42, and the at least two synchronizing wheel sets 43 are connected by a synchronous belt 44;
each synchronizing wheel set 43 comprises a driving wheel and a driven wheel connected with the driving wheel through a synchronizing belt 44, and the driving wheel is connected with a rotating shaft power source 42; at least one of the driven wheels corresponding to the at least two synchronous wheel sets 43 is arranged on the rotating shaft 41;
the rotation shaft power source 42 drives the driving wheel to rotate so as to drive the driven wheel to rotate, so that the driven wheel mounted on the rotation shaft 41 drives the rotation shaft 41 to rotate.
Specifically, the driving modes of the driving mechanism include hydraulic, pneumatic and electric modes, wherein hydraulic modes such as a hydraulic cylinder are preferred, and the power output by the hydraulic driving source is more continuous and stable, so that the operation precision of the executing mechanism, namely the needle rolling frame, can be realized, the high-precision repeatability of the needle rolling frame can be well maintained, and the needle rolling frame has excellent winding precision. The pneumatic and electric driving sources have more flexible installation systems and are widely used in application places with low precision requirements. The optimal electric servo motor is made here, and servo motor's result of use is better.
On the premise of ensuring enough power, in order to make the winding process of the winding device smoother and more efficient, in this embodiment, two motors are used to connect two driving wheels respectively, and two driven wheels corresponding to the two driving wheels respectively are all installed on the rotating shaft 41, which is equivalent to that two sets of power mechanisms jointly drive the rotating shaft 41 to rotate. In a winding cycle, the winding needle is driven by the rotating shaft 41 to clamp the raw material, and the raw material can be wound after clamping.
The working surface of the synchronous belt is toothed, and the motion and power are transmitted through multi-tooth engagement between the belt teeth and the driving wheel/driven wheel. Because the synchronous belt and the driving wheel/driven wheel do not slide relatively, a constant transmission ratio can be ensured; in addition, compared with chain transmission, the synchronous belt is thin and light, has high strength and small elongation, and has extremely wide application prospect in the field of automatic machinery. The synchronous belt comprises a matrix material and a belt core which plays a bearing role, and is generally distinguished according to the type of the matrix material; the base material comprises rubber and polyurethane, and the synchronous belt is generally divided into a rubber synchronous belt and a polyurethane synchronous belt correspondingly; compared with the polyurethane synchronous belt, the rubber synchronous belt is mainly used for a rotating device taking transmission power as a main part and transmission motion as an auxiliary part. The winding of the capacitor material is a process requiring high precision, and is mainly used for transmitting power, and the synchronous belt of this embodiment is preferably a rubber synchronous belt 44.
In the present embodiment, the winding needle moving member 5 includes a winding needle linear moving mechanism 51 and a winding needle rotary moving mechanism 52 provided adjacently to the winding needle frame 2;
the rolling needle linear motion mechanism 51 and the rolling needle frame 2 are respectively connected with a rolling needle rod 3, and the rolling needle rod 3 is arranged between the rolling needle linear motion mechanism 51 and the rolling needle frame;
the rolling needle rotary motion mechanism 52 and the rolling needle frame 2 are respectively connected with a sleeve which is rotatably sleeved on the rotating shaft 41, and the sleeve is arranged between the rolling needle rotary motion mechanism 52 and the rolling needle frame;
the winding needle linear motion mechanism 51 is used for enabling the winding needle frame 2 to extend or retract relative to the mounting frame; the winding needle rotating and moving assembly is used for rotating the winding needle which finishes winding to the capacitor conveying belt.
One end of the needle winding rod 3 is directly connected with the needle winding frame 2, and the other end is directly connected with the needle winding linear motion mechanism 51; one end of the sleeve 525 is directly connected with the needle rolling frame 2, and the other end is directly connected with the needle rolling rotary motion mechanism 52. The needle bar 3 and the sleeve 525 function as a connector.
In the present embodiment, the winding needle linear motion mechanism 51 includes:
the sliding rail is arranged on the mounting plate 1;
the sliding block is arranged on the sliding rail and is connected with the needle winding rod 3;
the swing arm comprises a first end and a second end, the first end is connected with a swing arm power source, and the second end is connected with the sliding block;
the swing arm power source drives the swing arm to move, and the swing arm drives the sliding block to move on the sliding rail to drive the needle rolling rod 3 to move, so that the needle rolling frame moves linearly.
Specifically, the sliding rail plays a role in guiding and positioning besides a place for sliding the sliding block; the length of the slide rail determines to some extent the sliding travel of the slider, which directly determines the fully extended or fully retracted length of the needle holder relative to the mounting plate 1. The swing arm power source is connected with the first end of the swing arm through the cam, and the swing arm power source, the cam and the swing arm are combined together to form a simple swing arm driving mechanism.
In the present embodiment, the rolling needle linear motion mechanism 51 includes a first rolling needle linear motion mechanism 511, a second rolling needle linear motion mechanism 512 and a third rolling needle linear motion mechanism 513, the first rolling needle linear motion mechanism 511 is disposed above the plane of the rotating shaft 41, and the second rolling needle linear motion mechanism 512 and the third rolling needle linear motion mechanism 513 are disposed in parallel below the plane of the rotating shaft 41;
the first consistent winding needle linear motion mechanism 511 is used for driving the winding needle frame 2 to extend completely in a direction away from the rotating shaft power source 42 so as to wind the raw material;
the second winding needle linear motion mechanism 512 is used for driving the winding needle frame 2 to retract completely towards the direction of the rotating shaft power source 42 so as to separate the capacitor manufactured by winding;
the third winding needle linear motion mechanism 513 is a bidirectional motion mechanism, and is used for driving the winding needle frame 2 to extend relative to the mounting plate 1 in a direction away from the rotating shaft power source 42 or driving the winding needle frame 2 to retract relative to the mounting plate 1 in a direction towards the rotating shaft power source 42.
Specifically, the movement of the winding needle linear movement mechanism 51 includes three actions.
The first action: when the first slider 5113 in the first consistent winding needle linear motion mechanism 511 moves in a direction away from the rotating shaft power source 42, the winding needle bar 31 directly contacted with the first slider 5113 drives the winding frame to extend completely under the direct pushing of the first slider 5113. The winding of the raw material may also be performed when the winding needle is not fully extended, but the winding needle actually has a certain supporting effect on the wound raw material due to the shaft center as the winding raw material. In order to avoid the problem of the needle failing due to the excessive load or the long load of the needle, in this embodiment, the first consistent needle linear motion mechanism 511 needs to push out the needle as soon as possible after the winding is performed.
The second action: when the winding needle has completed the winding process and is rotated onto the capacitor conveyor belt, the winding needle is retracted with respect to the mounting plate 1 along with the winding needle holder 2, the retraction process requires the cooperation of the second winding needle rectilinear motion mechanism 512 and the third winding needle rectilinear motion mechanism 513, the second winding needle rectilinear motion mechanism 512 firstly retracts the winding needle by an arbitrary length smaller than the full extension length of the winding needle, and the third winding needle rectilinear motion mechanism 513 then fully retracts the winding needle with respect to the mounting plate 1, at which time the capacitor manufactured after winding is separated from the winding needle.
Third action: the third winding needle linear motion mechanism 513 drives the winding needle to move so that the winding needle protrudes with respect to the mounting plate by any length less than the full protruding length of the winding needle, and in order to make the layout of the components in the winding device more reasonable, the above any length is preferably half the full protruding length of the winding needle.
In this embodiment, the winding needle rotation movement mechanism 52 includes a winding needle revolution module, the winding needle revolution module includes a winding needle rotation power source, a first driving wheel 522 connected with the winding needle rotation power source, a second driving wheel 523 matched with the first driving wheel 522, and a third driving wheel 524 matched with the second driving wheel 523, and the third driving wheel 524 is connected with the sleeve 525; the needle rolling rotary power source drives the first driving wheel 522, the second driving wheel 523 and the third driving wheel 524 to rotate so as to drive the sleeve 525 to be connected, and thus the needle rolling frame 2 is driven to rotate to a designated position.
Specifically, the main function of the winding needle revolution module is to drive the winding frame to rotate from above the plane of the rotating shaft 41 to below the plane of the rotating shaft 41 or drive the winding frame to rotate from below the plane of the rotating shaft 41 to above the plane of the rotating shaft 41.
In this embodiment, the needle rotating power source is a divider 521 for driving the needle holder 2 to intermittently rotate in the circumferential direction.
It should be noted that, the divider 521, the first transmission gear 522, the second transmission gear 523 and the third transmission gear 524 together form a cam divider in a certain sense, and the cam divider has a large transmission torque, which is a preferred choice for replacing the traditional mechanisms such as pneumatic control motor and incomplete gear mechanism.
In this embodiment, the winding needle rotation mechanism 52 further includes a winding needle rotation module connected to the winding needle frame 2, for rotating the winding needle around its own axis, and the winding needle rotation module is driven by a motor.
It should be noted that, in the whole winding cycle, the winding power of the winding needle includes two parts, namely, the driving of the rotating shaft 41, and the power source only used for driving the winding needle to rotate around the winding needle itself as the axis. The combined action of the two is beneficial to improving the winding efficiency.
Fig. 3 shows a winding method of a winding device according to a preferred embodiment of the invention, which includes the following steps:
s1: starting a rotating shaft driving mechanism connected with the rotating shaft 41 to drive the rotating shaft 41 to rotate, so that the winding needle clamps the raw material and winds the raw material;
s2: while executing S1, the driving mechanism of the first consistent needle linear motion mechanism 511 connected to the needle holder 2 is activated to drive the needle bar 3 connected to the needle holder 2 to move, so that the needle is fully extended with the needle holder 2 relative to the mounting plate 1;
s3: s1, continuing to execute until the raw material is wound on a winding needle to a preset specification;
s4: starting a driving mechanism connected with the winding needle rotating and moving mechanism 52 so that the winding needle rotates to the capacitor conveying belt along with the winding needle frame 2;
s5: the driving mechanism of the second rolling needle linear motion mechanism 512 and the driving mechanism of the third rolling needle linear motion mechanism 513 which are connected with the rolling needle frame 2 are started in sequence in the direction opposite to the driving direction of the S2, so that the rolling needle is completely retracted relative to the mounting plate 1 along with the rolling needle frame 2, and the capacitor falls off to the capacitor conveying belt;
s6: the driving mechanism of the third winding needle linear motion mechanism 513 is activated in the opposite direction to the driving direction S5 to extend the winding needle holder 2, and the extending length of the winding needle holder 2 with respect to the mounting frame 1 is smaller than the extending length of the winding needle holder 2 in S2 to facilitate the next winding cycle.
In summary, a winding device for winding a capacitor raw material, the winding device comprising a mounting plate 1, a needle holder 2, a raw material clamping and winding member 4 and a needle movement member 5, wherein the mounting plate 1 is used for fixing the winding device; the needle winding frame 2 is arranged on the mounting plate 1, a needle winding used as a winding shaft is arranged on the needle winding frame 2, and the needle winding frame 2 synchronously move; a raw material clamping and winding member 4 provided on the mounting plate 1 and adjacent to the winding needle holder 2 so that the winding needle clamps the raw material and winds the raw material; the winding needle moving component 5 is arranged on the mounting plate 1 and is adjacent to the winding needle frame 2, the winding needle moving component 5 is connected with the winding needle frame 2 so as to enable the winding needle frame 2 to move to a designated position, and the winding needle winds raw materials at the designated position or separates a capacitor manufactured through winding.
A winding method of a winding device, the method comprising the steps of: the rotating shaft 41 rotates to drive the winding needle to clamp the raw material and preliminarily wind the raw material; the first consistent winding needle linear motion mechanism 511 completely pushes out the winding needle relative to the mounting plate 1, and continues winding the raw material until the raw material is wound to the set specification; the winding needle rotation movement mechanism 52 drives the winding needle which finishes the winding process to rotate to the capacitor conveyor belt; the second winding needle linear motion mechanism 512 and the third winding needle linear motion mechanism 513 drive the winding needle to retract completely relative to the mounting plate 1 in sequence, the capacitor drops off, and one winding period is finished; to facilitate the next winding cycle, the third winding needle linear motion mechanism 513 drives the winding needle to extend a portion of the length relative to the mounting plate 1.
Compared with the prior art, the winding device and the winding method of the winding device can effectively solve the problems of poor working stability and low winding precision of the existing winding device, thereby optimizing the consistency of laminated rolls and improving the storage performance of a capacitor.
The foregoing is merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or similar arrangements may be substituted by those skilled in the art, without departing from the scope of the invention or beyond the scope of the invention as defined in the claims.
Claims (6)
1. A winding device for winding raw material in a capacitor production process, the winding device comprising:
the mounting plate is used for fixing the winding device;
the winding needle frame is arranged on the mounting plate, a winding needle serving as a winding shaft is arranged on the winding needle frame, and the winding needle frame synchronously move;
a raw material clamping and winding member provided on the mounting plate and adjacent to the needle winding frame so that the needle winding clamps the raw material and winds the raw material;
the winding needle moving component is arranged on the mounting plate and is adjacent to the winding needle frame, the winding needle moving component is connected with the winding needle frame so as to enable the winding needle frame to move to a designated position, and the winding needle winds raw materials at the designated position or separates a capacitor manufactured through winding;
the raw material clamping and winding component comprises a rotating shaft and a rotating shaft driving mechanism for driving the rotating shaft to rotate, the rotating shaft is connected with the needle winding frame, the rotating shaft drives the needle winding frame to rotate, and the needle winding rotates along with the needle winding frame to wind the raw material;
the rolling needle movement component comprises a rolling needle linear movement mechanism and a rolling needle rotary movement mechanism which are adjacently arranged on the rolling needle frame;
the rolling needle linear motion mechanism and the rolling needle frame are respectively connected with a rolling needle rod, and the rolling needle rod is arranged between the rolling needle linear motion mechanism and the rolling needle frame;
the rolling needle rotating movement mechanism and the rolling needle frame are respectively connected with a sleeve which can be rotatably sleeved on the rotating shaft, and the sleeve is arranged between the rolling needle rotating movement mechanism and the rolling needle frame;
the rolling needle linear motion mechanism is used for enabling the rolling needle frame to extend or retract relative to the mounting frame; the winding needle rotating and moving assembly is used for rotating the winding needle which finishes winding to the capacitor conveying belt;
the coil needle linear motion mechanism comprises:
the sliding rail is arranged on the mounting plate;
the sliding block is arranged on the sliding rail and is connected with the needle winding rod;
the swing arm comprises a first end and a second end, the first end is connected with a swing arm power source, and the second end is connected with the sliding block;
the swing arm power source drives the swing arm to move, and the swing arm drives the sliding block to move on the sliding rail to drive the needle rolling rod to move, so that the needle rolling frame moves linearly;
the rolling needle linear motion mechanism comprises a first rolling needle linear motion mechanism, a second rolling needle linear motion mechanism and a third rolling needle linear motion mechanism, the first rolling needle linear motion mechanism is arranged above a plane where the rotating shaft is located, and the second rolling needle linear motion mechanism and the third rolling needle linear motion mechanism are arranged below the plane where the rotating shaft is located in parallel;
the first consistent winding needle linear motion mechanism is used for driving the winding needle frame to extend out completely in the direction away from the rotating shaft power source so as to wind the raw material;
the second winding needle linear motion mechanism is used for driving the winding needle frame to retract completely towards the direction of the rotating shaft power source so as to separate the capacitor manufactured through winding;
the third winding needle linear motion mechanism is a bidirectional motion mechanism and is used for driving the winding needle frame to extend out relative to the mounting plate in the direction away from the rotating shaft power source or driving the winding needle frame to retract relative to the mounting plate in the direction of the rotating shaft power source.
2. The winding device according to claim 1, wherein the rotating shaft driving mechanism comprises at least one rotating shaft power source and at least two synchronous wheel sets respectively connected with the at least one rotating shaft power source, and the at least two synchronous wheel sets are connected through a synchronous belt; each synchronous wheel group comprises a driving wheel and a driven wheel connected with the driving wheel through the synchronous belt, and the driving wheel is connected with the rotating shaft power source; at least one of driven wheels corresponding to the at least two synchronous wheel sets is arranged on the rotating shaft; the rotating shaft power source drives the driving wheel to rotate so as to drive the driven wheel to rotate, so that the driven wheel arranged on the rotating shaft drives the rotating shaft to rotate.
3. The winding device according to claim 1, wherein the winding needle rotation movement mechanism comprises a winding needle revolution module, the winding needle revolution module comprises a winding needle rotation power source, a first driving wheel connected with the winding needle rotation power source, a second driving wheel matched with the first driving wheel and a third driving wheel matched with the second driving wheel, and the third driving wheel is connected with the sleeve; the needle rolling rotary power source drives the first driving wheel and the second driving wheel to rotate so as to drive the sleeve to be connected, and therefore the needle rolling frame is driven to rotate to a designated position.
4. A winding device according to claim 3, wherein the winding needle rotation power source is a divider for driving the winding needle holder to intermittently rotate in a circumferential direction.
5. The winding device according to claim 4, wherein the winding needle rotating mechanism further comprises a winding needle rotating module connected to the winding needle frame for rotating the winding needle around its own axis, and the winding needle rotating module is driven by a motor.
6. Winding method using a winding device according to any one of claims 1-5, characterized by the steps of:
s1: starting a rotating shaft driving mechanism connected with the rotating shaft to drive the rotating shaft to rotate, so that the winding needle clamps the raw material and winds the raw material;
s2: while executing the S1, starting a driving mechanism of a first consistent needle rolling linear motion mechanism connected with the needle rolling frame to drive a needle rolling rod connected with the needle rolling frame to move, so that the needle rolling frame is completely extended relative to the mounting plate along with the needle rolling frame;
s3: s1, continuing to execute until the raw material is wound on the winding needle to a preset specification;
s4: starting a driving mechanism connected with the winding needle rotating motion mechanism so that the winding needle rotates to a capacitor conveying belt along with the winding needle frame;
s5: starting a driving mechanism of a second rolling needle linear motion mechanism and a driving mechanism of a third rolling needle linear motion mechanism which are connected with the rolling needle frame in sequence in a direction opposite to the S2 driving direction, so that the rolling needle is completely retracted relative to the mounting plate along with the rolling needle frame, and a capacitor falls off to the capacitor conveying belt;
s6: and starting a driving mechanism of the third winding needle linear motion mechanism in a direction opposite to the driving direction of the S5 to enable the winding needle frame to extend, wherein the extending length of the winding needle frame relative to the mounting frame is smaller than that of the winding needle frame in the S2 so as to facilitate the next winding cycle.
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