CN208614054U - A kind of cold welding process equipment and capacitor producing device - Google Patents
A kind of cold welding process equipment and capacitor producing device Download PDFInfo
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- CN208614054U CN208614054U CN201821321449.8U CN201821321449U CN208614054U CN 208614054 U CN208614054 U CN 208614054U CN 201821321449 U CN201821321449 U CN 201821321449U CN 208614054 U CN208614054 U CN 208614054U
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Abstract
The utility model discloses a kind of cold welding process equipment and capacitor producing devices, are related to cold-welding technique field.A kind of cold welding process equipment includes fixed frame, mechanical cold welding mechanism and automatic shearing mechanism, mechanical cold welding mechanism and automatic shearing mechanism are respectively arranged on fixed frame, mechanical cold welding mechanism includes cold welding driving device interconnected and cold welding component, cold welding driving device be used to drive cold welding element period by the first cold welding workpiece cold welding in the second cold welding workpiece；Automatic shearing mechanism includes shearing driving device interconnected and shearing component, and driving shearing component cuts the first cold welding workpiece when shearing driving device is used for the first cold welding workpiece cold welding when mechanical cold welding mechanism on the second cold welding workpiece.Cold welding process equipment provided by the utility model, can periodically carry out cold welding and shearing automatically, and save the cost improves production efficiency.
Description
Technical field
The utility model relates to cold-welding technique fields, in particular to a kind of cold welding process equipment and capacitor production dress
It sets.
Background technique
Currently, most cold welding equipment can only carry out the cold welding operation of cold welding workpiece, the shearing of cold welding workpiece on the market
Operation needs to carry out manual operation by other equipment, that is, individually right as required before or after by workpiece cold welding together
Workpiece is sheared, this process will expend more human costs, and influence production efficiency.
Utility model content
The purpose of this utility model is to provide a kind of cold welding process equipments, and work can be carried out automatically at the end of cold welding
Part shearing.
The another object of the utility model is to provide a kind of capacitor producing device, can at the end of cold welding automatic shearing
Incisal guide chaff.
The utility model provides a kind of technical solution: a kind of cold welding process equipment, is used for the first cold welding workpiece and second
Together, the cold welding process equipment includes fixed frame, mechanical cold welding mechanism and automatic shearing mechanism to cold welding workpiece cold welding, described
Mechanical cold welding mechanism and the automatic shearing mechanism are respectively arranged on the fixed frame,
The mechanical cold welding mechanism includes cold welding driving device interconnected and cold welding component, the cold welding driving device
For drive the cold welding element period by the first cold welding workpiece cold welding in the second cold welding workpiece；
The automatic shearing mechanism includes shearing driving device interconnected and shearing component, the shearing driving device
For when the mechanical cold welding mechanism by the first cold welding workpiece cold welding on the second cold welding workpiece when drive the shearing group
Part cuts the first cold welding workpiece.
Further, the mechanical cold welding mechanism further includes transmission device, and the transmission device includes transmission shaft, eccentric shaft
And output sleeve, the transmission shaft are connect with the cold welding driving device, and setting one connection in its center is deviateed on the eccentric shaft
Hole, for the connecting hole through the eccentric shaft and parallel with center axis thereof direction, the transmission shaft passes through the connecting hole, and
Be able to drive eccentric shaft rotation, the output sleeve is sheathed on the outer wall of the eccentric shaft, when the output sleeve with
When the eccentric shaft rotates, the cold welding component keeps supporting with the outer rim of the output sleeve.
Further, the cold welding driving device includes servo motor and planetary reducer, the shaft of the servo motor
It is connect with the sun gear of the planetary reducer, the transmission shaft is connect with the ring gear of the planetary reducer.
Further, the cold welding component includes the bearing seat and gliding block box connecting respectively with the fixed frame, described to hold
It carries seat and the gliding block box and the output sleeve is on same straight line, the bearing seat is for carrying the first cold welding work
Part and the second cold welding workpiece.
Further, the gliding block box be provided with can fixed frame sliding relatively sliding block, one end of the sliding block is set
It is equipped with supporting piece, the supporting piece is held in the outer rim of the output sleeve far from one end of the sliding block, and the supporting piece is used
The sliding block is driven to slide under the promotion in the output sleeve towards the bearing seat.
Further, the sliding block is provided with cold welding upper mold and upper buffer board close to one end of the bearing seat, described to hold
It carries and is provided with cold welding lower die and lower buffer board on seat, the upper buffer board selects under the drive of the sliding block with the lower buffer board
Selecting property contact, for the first cold welding workpiece to be held in the second cold welding workpiece, to prevent the first cold welding work
Relative displacement occurs for part and the second cold welding workpiece, the cold welding upper mold under the drive of the sliding block with the cold welding lower die
Selective exposure is used for the first cold welding workpiece together with the second cold welding workpiece cold welding.
Further, the automatic shearing mechanism further includes displacement drive, and the displacement drive is for driving
The shearing component is close to or far from the cold welding component movement.
Further, fixed block is provided on the fixed frame, the displacement drive is set on the fixed block,
Be additionally provided with sliding rail on the fixed block, the shearing component and the sliding rail cooperate, can it is close on the sliding rail or
Far from the cold welding component movement.
Further, the displacement drive is integral type screw rod stepper motor.
The utility model provides a kind of another technical solution: capacitor producing device, including foil crimper, send foil device and described
Cold welding process equipment, the first cold welding workpiece is to lead chaff, and the second cold welding workpiece is aluminium foil, described to send foil device and institute
Fixed frame connection is stated, for leading chaff to described in cold welding component conveying, the foil crimper connect with the fixed frame, is used for
There is the aluminium foil for leading chaff to be rolled into capacitor core cold welding.
Compared with prior art, cold welding process equipment provided by the utility model, mechanical cold welding mechanism can be periodic
By the first cold welding workpiece together with the second cold welding workpiece cold welding, automatic shearing mechanism can be completed in the cold welding in each period
When the first cold welding workpiece is sheared, be able to achieve process automation, therefore, cold welding process equipment provided by the utility model
Beneficial effect is: can periodically carry out cold welding and shearing automatically, save the cost improves production efficiency.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as.For those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the cold welding process equipment that the first embodiment of the utility model provides；
Fig. 2 is the structural schematic diagram of the transmission device in Fig. 1；
Fig. 3 is the structural schematic diagram of the cold welding component in Fig. 1；
Fig. 4 is the structural schematic diagram of the automatic shearing mechanism in Fig. 1；
Fig. 5 is the structural schematic diagram of the fixed frame in Fig. 1.
Icon: 10- cold welding process equipment；100- fixed frame；110- fixed block；111- sliding rail；200- mechanical cold welding mechanism；
210- cold welding driving device；211- servo motor；212- planetary reducer；220- cold welding component；221- bearing seat；2211- is cold
Weld lower die；Buffer board under 2212-；222- gliding block box；223- sliding block；2231- supporting piece；2232- cold welding upper mold；Delay on 2233-
Punching；230- transmission device；231- transmission shaft；232- eccentric shaft；2321- connecting hole；233- output sleeve；300- automatic shearing
Mechanism；310- shears driving device；320- shearing component；330- displacement drive.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be understood that the orientation of the instructions such as term " on ", "lower", "inner", "outside"
Or positional relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when usually put
The orientation or positional relationship that orientation or positional relationship or those skilled in the art usually understand is merely for convenience of describing
The utility model and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, " setting ",
Terms such as " connections " shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or one
Ground connection；It can be mechanical connection, be also possible to be electrically connected；Can be and be directly connected to, can also by between intermediary in succession
It connects, can be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail.
First embodiment
It please refers to shown in Fig. 1, cold welding process equipment 10 provided by the utility model, is used for the first cold welding workpiece and second
Together, cold welding process equipment 10 includes fixed frame 100, mechanical cold welding mechanism 200 and automatic shearing mechanism to cold welding workpiece cold welding
300, mechanical cold welding mechanism 200 and automatic shearing mechanism 300 are respectively arranged on fixed frame 100, provided by the utility model cold
Weldering process equipment 10 can periodically carry out cold welding and shearing automatically, and save the cost improves production efficiency.
Mechanical cold welding mechanism 200 includes transmission device 230 and cold welding driving device interconnected 210 and cold welding group
Part 220, cold welding driving device 210 is for driving cold welding component 220 periodically by the first cold welding workpiece cold welding in the second cold welding
On workpiece, transmission device 230 is set between cold welding driving device 210 and cold welding component 220, is used for cold welding driving device
210 driving can be transferred to cold welding component 220, periodically provide cold welding pressure to cold welding component 220.
Shown in referring to figure 2., transmission device 230 includes transmission shaft 231, eccentric shaft 232 and output sleeve 233, transmission shaft
231 connect with cold welding driving device 210, and in the present embodiment, transmission shaft, eccentric shaft 232 are cylindrical shaft, on eccentric shaft 232
Deviate its center and one connecting hole 2321 is set, connecting hole 2321 is through eccentric shaft 232 and, transmission parallel with center axis thereof direction
Axis 231 passes through connecting hole 2321.As shown in connection with fig. 1, cold welding driving device 210 is connect with fixed frame 100, and the one of transmission shaft 231
End connection cold welding driving device 210, the other end is connect by bearing with fixed frame 100, in the drive of cold welding driving device 210
Under, transmission shaft 231 is able to drive the rotation of eccentric shaft 232, and eccentric shaft 232 is also eccentrically rotated under the drive of transmission shaft 231, defeated
Axle sleeve 233 is sheathed on the outer wall of eccentric shaft 232 out.
In the present embodiment, output sleeve 233 is a stepped axle sleeve, when output sleeve 233 is rotated with eccentric shaft 232
When, cold welding component 220 keeps supporting with the outer rim of output sleeve 233, in the present embodiment, the major diameter with output sleeve 233
Axle sleeve outer rim holding in part supports.In practical applications, transmission shaft 231 rotates under the drive of cold welding driving device 210, and band
Dynamic eccentric shaft 232 is eccentrically rotated, and output sleeve 233 is also eccentrically rotated with eccentric shaft 232, cold welding component 220 keep with it is defeated
The outer rim of axle sleeve 233 supports out.
Shown in referring to figure 3., cold welding component 220 includes the bearing seat 221 and gliding block box connecting respectively with fixed frame 100
222, bearing seat 221 and gliding block box 222 and output sleeve 233 are on same straight line, and in the present embodiment, three is in vertical
On direction, gliding block box 222 is set to 233 lower section of output sleeve, and bearing seat 221 is located at the lower section of gliding block box 222, bearing seat 221
For carrying the first cold welding workpiece and the second cold welding workpiece.
Gliding block box 222 is provided with the sliding block 223 that can fix frame sliding relatively, and one end of sliding block 223 is provided with supporting piece
2231, supporting piece 2231 is held in the outer rim of output sleeve 233 far from one end of sliding block 223, and supporting piece 2231 is for exporting
Band movable slider 223 is slided towards bearing seat 221 under the promotion of axle sleeve 233, and gliding block box 222 is internally provided with return unit, in this reality
Applying is spring in example, the elastic force upward by spring always of sliding block 223, and supporting piece 2231 is made to keep outer with output sleeve 233
Edge supports, and sliding block 223 pumps when output sleeve 233 rotates.
Sliding block 223 is provided with cold welding upper mold 2232 and upper buffer board 2233, bearing seat 221 close to one end of bearing seat 221
On be provided with cold welding lower die 2211 and lower buffer board 2212, upper buffer board 2233 under the drive of sliding block 223 with lower buffer board
2212 selective exposures, for the first cold welding workpiece to be held in the second cold welding workpiece, to prevent the first cold welding workpiece and
Two cold welding workpiece occur relative displacement, cold welding upper mold 2232 under the drive of sliding block 223 with 2211 selective exposure of cold welding lower die,
For by the first cold welding workpiece together with the second cold welding workpiece cold welding.If the first cold welding workpiece is placed on the second cold welding workpiece
Side pushes supporting piece 2231 and sliding block 223 to move downward in output sleeve 233, i.e., during being moved towards bearing seat 221,
Upper buffer board 2233 is contacted prior to upper mold 2232 with the first cold welding workpiece, and is combined with lower buffer board 2212 by the first cold welding workpiece
It is compressed with the second cold welding workpiece, prevents the two from relative displacement occurs, carry out cold welding preparation, meanwhile, upper buffer board 2233 and sliding block
It is connected, can be effectively unloaded by way of telescopic rod outer casing spring between 223, between lower buffer board 2212 and bearing seat 221
Fall extra cold welding pressure, cold welding workpiece is prevented to be pressed down.Later, cold welding upper mold 2232 again will be between it with cold welding lower die 2211
The first cold welding workpiece together with the second cold welding workpiece cold welding.
In the present embodiment, cold welding driving device 210 includes servo motor 211 and planetary reducer 212, servo motor
211 shaft is connect with the sun gear of planetary reducer 212, and transmission shaft 231 is connect with the ring gear of planetary reducer 212.This
Utility model is by the way of Mechanical Driven, the hydraulic transmission mode of abandoning tradition, accelerates the speed for pushing cold welding, improves life
Efficiency is produced, while the oil cylinder of hydraulic drive rivet welding is easy to appear oil leaking pollution product and pressure not because of long-term work wear reason
Stablize, easily because pressure crosses senior general's aluminium foil extrusion fracture, causes to scrap and there are security risks.
Shown in referring to figure 4., automatic shearing mechanism 300 includes displacement drive 330, shearing interconnected driving dress
Set 310 and shearing component 320, shearing driving device 310 is used for the first cold welding workpiece cold welding when mechanical cold welding mechanism 200 the
Shearing component 320 is driven to cut the first cold welding workpiece when on two cold welding workpiece.In the present embodiment, shearing component 320 includes living
Cutting blade and fixed blade, movable blades are connect with tool apron, and tool apron is connect with shearing driving device 310, in shearing driving device
Under 310 driving, tool apron can drive movable blades to move towards fixed blade, and workpiece is provided between movable blades and fixed blade
Slot, as shown in connection with fig. 1, in practical applications, the first cold welding component, which is accessed by outside and passes through workpiece slot, is placed in bearing seat 221
On, and be stacked as required with the second cold welding workpiece, at the end of cold welding process, movable blades are moved and are sheared towards fixed blade
First cold welding workpiece, after cutting the first cold welding workpiece, the driving tool apron of shearing driving device 310 drives movable blades to reset, then
By the drive equipment or manpower of external connection, the second cold welding workpiece cold welding position of the second cold welding workpiece or adjustment is replaced, the
One cold welding workpiece is conveyed by outside, is continued across the workpiece slot on shearing component 320 and is placed on bearing seat 221.
Incorporated by reference to fixed block 110 shown in Fig. 1, Fig. 4 and Fig. 5, is provided on fixed frame 100, displacement drive 330 is arranged
In on fixed block 110, being additionally provided with sliding rail 111 on fixed block 110, shearing component 320 and sliding rail 111 cooperate, can be in cunning
It is moved on rail 111 close to or far from cold welding component 220.In the present embodiment, displacement drive 330 is integral type screw rod stepping electricity
Machine, screw rod stepper motor are arranged according to the demand being used for, and according to requiring the first cold welding Workpiece length of shearing to be shifted, are cutting
It cuts and is additionally provided with detection lug and photoelectric detector on component 320, cooperate with screw rod stepper motor, positioned in displacement process
It calculates, in conjunction with user preset, the benchmark for driving shearing component 320 mobile as screw rod stepper motor.
Cold welding process equipment 10 provided in this embodiment, by cold welding driving device 210, shearing driving device 310 with
And displacement drive 330 is default, realizes periodically automatic cold welding and shearing.
Cold welding process equipment 10 provided by the utility model, can periodically carry out automatically cold welding and shearing, save at
This, improves production efficiency.
Second embodiment
The present embodiment provides a kind of capacitor producing devices, including foil crimper, the cold welding for sending foil device and first embodiment to provide
Process equipment 10, the first cold welding workpiece are to lead chaff, and the second cold welding workpiece is aluminium foil, send foil device to connect with fixed frame 100, is used for
Chaff is led to the conveying of cold welding component 220, foil crimper is connect with fixed frame 100, for having the aluminium foil for leading chaff to be rolled into electricity cold welding
Hold fuse.
Capacitor producing device provided in this embodiment, in practical applications, aluminium foil pass through cold welding component 220 and and foil crimper
Connection, pick outside foil device lead chaff be placed in cold welding component 220 across shearing component 320 it is stacked with aluminium foil.
Cold welding driving device 210 will lead chaff cold welding in aluminium foil for driving cold welding component 220 periodically.
Driving device 310 is sheared to be used to drive shearing group when mechanical cold welding mechanism 200 will lead chaff cold welding on aluminium foil
Chaff is led in the cutting of part 320.
Capacitor producing device provided in this embodiment will periodically can lead chaff cold welding on aluminium foil automatically, and automatic
Chaff is led in cutting.Production applied to alminium electrolytic condenser produces, and can save production cost, improves production efficiency.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of cold welding process equipment is used for the first cold welding workpiece together with the second cold welding workpiece cold welding, which is characterized in that
The cold welding process equipment includes fixed frame, mechanical cold welding mechanism and automatic shearing mechanism, the mechanical cold welding mechanism with it is described
Automatic shearing mechanism is respectively arranged on the fixed frame,
The mechanical cold welding mechanism includes cold welding driving device interconnected and cold welding component, and the cold welding driving device is used for
Drive the cold welding element period by the first cold welding workpiece cold welding on the second cold welding workpiece；
The automatic shearing mechanism includes shearing driving device interconnected and shearing component, and the shearing driving device is used for
When the mechanical cold welding mechanism by the first cold welding workpiece cold welding on the second cold welding workpiece when drive the shearing component to cut
Break the first cold welding workpiece.
2. cold welding process equipment according to claim 1, which is characterized in that the mechanical cold welding mechanism further includes transmission dress
It sets, the transmission device includes transmission shaft, eccentric shaft and output sleeve, and the transmission shaft is connect with the cold welding driving device,
Deviate on the eccentric shaft its center be arranged a connecting hole, the connecting hole through the eccentric shaft and with center axis thereof direction
In parallel, the transmission shaft passes through the connecting hole, and is able to drive the eccentric shaft rotation, and the output sleeve is sheathed on described
On the outer wall of eccentric shaft, when the output sleeve is rotated with the eccentric shaft, the cold welding component is kept and the output shaft
The outer rim of set supports.
3. cold welding process equipment according to claim 2, which is characterized in that the cold welding driving device includes servo motor
And planetary reducer, the shaft of the servo motor are connect with the sun gear of the planetary reducer, the transmission shaft with it is described
The ring gear of planetary reducer connects.
4. cold welding process equipment according to claim 2, which is characterized in that the cold welding component include respectively with it is described solid
Determine the bearing seat and gliding block box of frame connection, the bearing seat and the gliding block box and the output sleeve are on same straight line,
The bearing seat is for carrying the first cold welding workpiece and the second cold welding workpiece.
5. cold welding process equipment according to claim 4, which is characterized in that the gliding block box is provided with can be relatively described solid
Determine the sliding block of frame sliding, one end of the sliding block is provided with supporting piece, and the supporting piece is held in far from one end of the sliding block
The outer rim of the output sleeve, the supporting piece under the promotion of the output sleeve for driving the sliding block to hold described in
Carry seat sliding.
6. cold welding process equipment according to claim 5, which is characterized in that the sliding block is close to one end of the bearing seat
It is provided with cold welding upper mold and upper buffer board, cold welding lower die and lower buffer board are provided on the bearing seat, the upper buffer board exists
Under the drive of the sliding block with the lower buffer board selective exposure, for the first cold welding workpiece to be held in described second
On cold welding workpiece, to prevent the first cold welding workpiece and the second cold welding workpiece from relative displacement, the cold welding upper mold occurs
With the cold welding lower die selective exposure under the drive of the sliding block, it is used for the first cold welding workpiece and described second is cold
Welder's part cold welding is together.
7. cold welding process equipment according to claim 1, which is characterized in that the automatic shearing mechanism further includes that displacement is driven
Dynamic device, the displacement drive is for driving the shearing component close to or far from the cold welding component movement.
8. cold welding process equipment according to claim 7, which is characterized in that be provided with fixed block, institute on the fixed frame
State displacement drive to be set on the fixed block, be additionally provided with sliding rail on the fixed block, the shearing component with it is described
Sliding rail cooperation, can be on the sliding rail close to or far from the cold welding component movement.
9. cold welding process equipment according to claim 7, which is characterized in that the displacement drive is integral type screw rod
Stepper motor.
10. a kind of capacitor producing device, which is characterized in that including foil crimper, send foil device and as described in claim any one of 1-9
Cold welding process equipment, the first cold welding workpiece is to lead chaff, and the second cold welding workpiece is aluminium foil, described to send foil device and institute
Fixed frame connection is stated, for leading chaff to described in cold welding component conveying, the foil crimper connect with the fixed frame, is used for
There is the aluminium foil for leading chaff to be rolled into capacitor core cold welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821321449.8U CN208614054U (en) | 2018-08-16 | 2018-08-16 | A kind of cold welding process equipment and capacitor producing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821321449.8U CN208614054U (en) | 2018-08-16 | 2018-08-16 | A kind of cold welding process equipment and capacitor producing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208614054U true CN208614054U (en) | 2019-03-19 |
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ID=65715552
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821321449.8U Active CN208614054U (en) | 2018-08-16 | 2018-08-16 | A kind of cold welding process equipment and capacitor producing device |
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| Country | Link |
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| CN (1) | CN208614054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838572A (en) * | 2018-08-16 | 2018-11-20 | 深圳市金联信科技有限公司 | A kind of cold welding process equipment and capacitor producing device |
-
2018
- 2018-08-16 CN CN201821321449.8U patent/CN208614054U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838572A (en) * | 2018-08-16 | 2018-11-20 | 深圳市金联信科技有限公司 | A kind of cold welding process equipment and capacitor producing device |
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