CN112024733A - Capacitor case drawing die - Google Patents
Capacitor case drawing die Download PDFInfo
- Publication number
- CN112024733A CN112024733A CN202010751600.7A CN202010751600A CN112024733A CN 112024733 A CN112024733 A CN 112024733A CN 202010751600 A CN202010751600 A CN 202010751600A CN 112024733 A CN112024733 A CN 112024733A
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- die
- guide
- lower die
- hole
- oil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a capacitor shell stretching die which comprises a base, a lower die and an upper die, wherein the lower die is arranged on the base, the upper die is matched with the lower die, and a lifting mechanism for driving the upper die to vertically move is arranged on the base; the upper die is provided with a plurality of stamping rods, the lower die is provided with through holes corresponding to the stamping rods, and the lower die is provided with an annular oil groove; and an oiling device for oiling the surface of the stamping sheet is arranged on one side of the lower die. According to the invention, the annular oil groove is formed in the lower die and is positioned around the lower die, and the circulating cooling oil is filled in the annular oil groove, so that the cooling oil can cool the lower die, and the lower die is prevented from being too high in temperature in the long-time use process, so that the influence on the processing precision of a product caused by large thermal deformation of the lower die is avoided.
Description
Technical Field
The invention relates to the technical field of stretch forming, in particular to a capacitor shell stretching die.
Background
The capacitor case is formed by a process in which a punched sheet is usually stretch-formed. The capacitor shell is formed by stretching a die. The traditional stay cord die generally comprises a lower die and an upper die, wherein the upper die is provided with a plurality of stamping rods, and the lower die is provided with through holes corresponding to the stamping rods. The diameters of the stamping rod and the through hole are generally gradually decreased along the moving direction of the stamping sheet, and the stamping sheet is stamped sequentially through the stamping rods and the through holes with different diameters in the moving process of the stamping sheet, so that the stamping sheet is finally stretched and formed to obtain the required capacitor shell. When the traditional stretching die is used, heat is generated due to the fact that stamping does work, the temperature of the lower die rises, when the stretching die is used for a long time, the lower die is prone to generating the condition of overhigh temperature, the lower die is prone to generating large thermal deformation, and the machining precision of products is affected.
Such as: the invention discloses a Chinese patent publication No. CN208894966U, which discloses a continuous stretching die convenient to mount, and the continuous stretching die comprises a first die, a second die and a connecting rod, wherein the second die is positioned at the bottom of the first die, the connecting rod is fixedly welded on the upper surface of the first die, four corners of the lower surface of the second die are fixedly connected with a first supporting column, and the surface of the first supporting column is fixedly connected with a first spring. In the use process of the continuous stretching die, the second die (i.e. the lower die mentioned above) is easily subjected to an over-high temperature condition in the long-time use process, so that the second die is subjected to a large thermal deformation, and the processing precision of a product is affected.
Disclosure of Invention
The invention aims to solve the problem that when the existing stretching die is used for a long time, the lower die is easy to generate a situation of overhigh temperature due to the fact that heat is generated by stamping work, so that the lower die generates large thermal deformation and the processing precision of a product is influenced, and provides a capacitor shell stretching die which can effectively solve the problem.
The purpose of the invention is realized by the following technical scheme: a capacitor shell stretching die comprises a base, a lower die and an upper die, wherein the lower die is arranged on the base, the upper die is matched with the lower die, and a lifting mechanism for driving the upper die to vertically move is arranged on the base; the upper die is provided with a plurality of stamping rods, the lower die is provided with through holes corresponding to the stamping rods, and the lower die is provided with an annular oil groove; and an oiling device for oiling the surface of the stamping sheet is arranged on one side of the lower die.
In the invention, the upper die moves up and down under the action of the lifting mechanism. When the capacitor shell punching die is used, the punching sheet passes through the upper die and the lower die, the punching sheet is punched by downward movement of the upper die, the diameters of the punching rod and the through hole are gradually decreased along the moving direction of the punching sheet, the punching sheet is punched sequentially through the punching rods and the through holes with different diameters in the moving process, and finally the punching sheet is subjected to stretch forming to obtain the needed capacitor shell. The oiling device can coat a layer of lubricating oil on the surface of the stamping sheet, and can reduce the abrasion between the stamping sheet and the die during stamping. According to the invention, the annular oil groove is formed in the lower die and is positioned around the lower die, and the circulating cooling oil is filled in the annular oil groove, so that the cooling oil can cool the lower die, and the lower die is prevented from being too high in temperature in the long-time use process, so that the influence on the processing precision of a product caused by large thermal deformation of the lower die is avoided.
Preferably, the lifting mechanism comprises a stand column arranged on the base, an upper end plate is arranged at the upper end of the stand column, a hydraulic cylinder arranged in the vertical direction is arranged on the upper end plate, a lifting plate is connected onto the hydraulic cylinder, and an upper die is arranged on the lifting plate. The lifting movement of the lifting plate is driven by a hydraulic cylinder.
Preferably, the base is provided with a guide post in the vertical direction, the lifting plate is provided with a guide sleeve matched with the guide post, and the guide sleeve is connected to the guide post in a sliding manner. Through the cooperation between guide post and the uide bushing, play the guide effect to the removal of lifter plate.
As preferred, be provided with the guide bar on the bed die, the vertical direction setting of guide bar, sliding connection is on the guide bar at the guiding hole board, is provided with the guiding hole with the through-hole one-to-one on the guiding hole board, and the cover is provided with first spring on the guide bar, and the both ends of first spring lean on with guiding hole board and bed die respectively. The punching rod can firstly pass through the corresponding guide hole in the descending process, the movement of the punching rod of the guide hole plays a role in guiding, and the punching rod is prevented from deviating from the position of the through hole in the descending process.
Preferably, the through hole is connected with a lifting block in a sliding manner, a limiting ring groove is formed in the side surface of the through hole, a flange is arranged at one end of the lifting block, and the flange is located in the limiting ring groove; a second spring is arranged between the lower end of the lifting block and the bottom of the through hole. The elevator can reciprocate in the through-hole, and when the punching press pole when moving down, the elevator pushed up at the punching press pole and moved down and move down until moving the lower extreme of spacing annular, and when the punching press of punching press pole was accomplished, the punching press pole withdraws to original position, and the shell after the punching press that lies in the through-hole this moment can be upwards ejecting through-hole under the effect of second spring and elevator, and the punching press piece of being convenient for moves to next position.
Preferably, the lower die is provided with a guide seat, the guide seat is provided with a through groove through which the punching sheet can pass, the upper die is provided with a notching tool, the notching tool is positioned right above the guide seat, and the guide seat is provided with a notching groove which corresponds to the notching tool and through which the notching tool can pass. The punching sheet passes through the through groove on the guide seat, and the guide seat can play a role in guiding the movement of the punching sheet. The notching tool moves along with the upper die, the notching tool can cut a notch on the punching sheet at a certain interval distance, the notch is positioned between two adjacent punching areas on the punching sheet, and the notch can enable the punching sheet to have a larger deformation space, so that the punching sheet can realize stretching deformation in the through hole.
Preferably, the upper die is provided with a connecting block, the connecting block is provided with an adjusting groove, the notching tool is connected to the connecting block through a fastening bolt, the notching tool is provided with a threaded hole, and the fastening bolt penetrates through the adjusting groove and is connected with the threaded hole formed in the notching tool. The position of the slitting tool can be adjusted along the length of the adjustment slot.
Preferably, the oiling device comprises a mounting seat and a lubricating oil tank, a motor is arranged on the mounting seat, an inner cylinder is connected to an output shaft of the motor, a cavity is arranged in the inner cylinder, a plurality of oil holes are formed in the circumferential direction of the inner cylinder, and a sponge ring is sleeved outside the inner cylinder; a piston is arranged in the cavity, and an oil cavity is formed between the piston and one end of the cavity; the mounting seat is provided with a fixed shaft, the fixed shaft and an output shaft of the motor are coaxially arranged, the piston is provided with a shaft hole, the fixed shaft penetrates through the shaft hole, the inner wall of the shaft hole is provided with a guide ring groove, the guide ring groove is formed by connecting a plurality of first chutes and second chutes end to end, the connecting part of the first chutes and the second chutes is in arc transition, the outer annular surface of the fixed shaft is provided with a first convex block, and the first convex block is connected in the guide ring groove in a sliding manner; the outer ring surface of the piston is provided with a second convex block, the inner wall of the cavity is provided with a sliding groove, and the second convex block is connected in the sliding groove in a sliding manner; the oil duct is arranged in the fixed shaft and penetrates through two ends of the fixed shaft, one end of the oil duct is connected with an oil pipe, a one-way valve is arranged on the oil pipe, and one end of the oil pipe is connected with a lubricating oil tank. The inner cylinder and the sponge ring arranged outside the inner cylinder rotate under the driving of the motor, a certain amount of lubricating oil is absorbed in the sponge ring, the punched sheets pass through the space between the sponge ring and the mounting seat, and a layer of lubricating oil is uniformly coated on the surfaces of the punched sheets when the sponge ring rotates. Because the second convex block is arranged on the outer ring surface of the piston, the second convex block is connected in the sliding groove on the inner wall of the cavity body in a sliding mode, and the sliding groove is arranged along the axial direction of the inner cylinder, the piston and the inner cylinder rotate synchronously when the inner cylinder rotates, and the piston can only move in the cavity body along the axial direction of the sliding groove. When the inner cylinder rotates, the piston and the fixed shaft rotate relatively, so that the first protruding block arranged on the outer ring surface of the fixed shaft moves along the guide ring groove, in the process, the piston moves back and forth in the cavity under the action of the guide ring groove, when the piston moves towards one direction, the volume of the oil cavity is increased, the one-way valve is in a conduction state, hydraulic oil in the lubricating oil tank is sucked into the oil cavity along the oil duct through the oil pipe, when the piston moves towards the other direction, the volume of the oil cavity is reduced, the one-way valve is in a stop state at the moment, lubricating oil in the oil cavity enters the sponge ring through the oil hole and is absorbed by the sponge, so that the lubricating oil can be continuously supplemented into the sponge ring, and sufficient lubricating oil is always contained in the sponge ring.
Preferably, a sealing ring is embedded on the inner wall of the shaft hole and is in sealing fit with the fixed shaft. Through set up the sealing washer on the shaft hole inner wall, the lubricating oil that the sealing washer can avoid in the oil pocket flows out from the gap between fixed axle and the shaft hole.
The invention has the beneficial effects that: according to the invention, the annular oil groove is formed in the lower die and is positioned around the lower die, and the circulating cooling oil is filled in the annular oil groove, so that the cooling oil can cool the lower die, and the lower die is prevented from being too high in temperature in the long-time use process, so that the influence on the processing precision of a product caused by large thermal deformation of the lower die is avoided.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a top view of the lower mold.
Fig. 4 is a schematic structural view of the slitting tool.
Fig. 5 is a schematic structural diagram of the oiling device.
Fig. 6 is an enlarged view of a portion B in fig. 5.
Fig. 7 is a cross-sectional view of the piston.
Fig. 8 is a schematic view of the unfolded structure of the guide ring groove.
In the figure: 1. a base, 2, a lower die, 3, a column, 4, an upper end plate, 5, a hydraulic cylinder, 6, a lifting plate, 7, an upper die, 8, a stamping rod, 9, a guide column, 10, a guide sleeve, 11, a cutting tool, 12, a guide seat, 13, a through groove, 14, a cutting groove, 15, an annular oil groove, 16, a guide rod, 17, a guide orifice plate, 18, a first spring, 19, a guide hole, 20, an oiling device, 21, a through hole, 22, a limit ring groove, 23, a lifting block, 24, a second spring, 25, a connecting block, 26, an adjusting groove, 27, a fastening bolt, 28, a mounting seat, 29, a motor, 30, an inner cylinder, 31, an oil hole, 32, a sponge ring, 33, a fixed shaft, 34, a piston, 35, an oil cavity, 36, a check valve, 37, an oil pipe, 38, a lubricating oil tank, 39, an oil passage, 40, a guide ring groove, 41, a first bump, 42, a sliding groove, 43, a second bump, 44. sealing ring 45, shaft hole 46, first chute, 47, second chute.
Detailed Description
The invention is further described by the following detailed description in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1 to 8, a capacitor case drawing die includes a base 1, a lower die 2 disposed on the base 1, and an upper die 7 engaged with the lower die 2, wherein the base 1 is provided with a lifting mechanism for driving the upper die 7 to move vertically. The lifting mechanism comprises a stand column 3 arranged on the base 1, an upper end plate 4 is arranged at the upper end of the stand column 3, and the upper end plate 4 is horizontally arranged. The upper end plate 4 is provided with a hydraulic cylinder 5 which is arranged in the vertical direction, and a piston rod of the hydraulic cylinder 5 penetrates through the upper end plate 4 downwards. A piston rod of the hydraulic cylinder 5 is connected with a lifting plate 6 which is horizontally arranged, and an upper die 7 is arranged on the lifting plate 6. The base 1 is provided with a guide post 9 in the vertical direction, the lifting plate 6 is provided with a guide sleeve 10 matched with the guide post 9, and the guide sleeve 10 is connected to the guide post 9 in a sliding mode.
A plurality of stamping rods 8 are arranged on the upper die 7, through holes 21 corresponding to the stamping rods 8 are arranged on the lower die 2, and lifting blocks 23 are connected in the through holes 21 in a sliding mode. The side of the through hole 21 is provided with a limiting ring groove 22, one end of the lifting block 23 is provided with a flange, and the flange is positioned in the limiting ring groove 22. A second spring 24 is arranged between the lower end of the lifting block 23 and the bottom of the through hole 21. An annular oil groove 15 is formed in the lower die 2, the annular oil groove 15 is located on the periphery of the lower die 2, and circulating flowing cooling oil is filled in the annular oil groove 15.
The lower die 2 is provided with a guide rod 16, and the guide rod 16 is arranged in the vertical direction. The guide rod 16 is connected with the guide hole plate 17 in a sliding way, and the guide hole plate 17 is provided with guide holes 19 which correspond to the through holes 21 one by one. The guide rod 16 is sleeved with a first spring 18, and two ends of the first spring 18 respectively abut against the guide hole plate 17 and the lower die 2. The punching rod can firstly pass through the corresponding guide hole in the descending process, the movement of the punching rod of the guide hole plays a role in guiding, and the punching rod is prevented from deviating from the position of the through hole in the descending process.
The lower die 2 is provided with a guide holder 12, and the guide holder 12 is provided with a passage groove 13 through which the punched piece can pass. The upper die 2 is provided with a connecting block 25, and the connecting block 25 is provided with an adjusting groove 26. The connecting block 25 is adjustably connected with a notching tool 11, the notching tool 11 is positioned right above the guide seat 12, and a threaded hole is formed in the notching tool 11. The slitting tool is connected to the connecting piece 25 by means of fastening bolts 27. The fastening bolt 27 passes through the adjustment slot 26 and is connected to a threaded hole provided on the slitting tool 11. The guide base 12 is provided with a notch 14 corresponding to the notch cutter 11 and allowing the notch cutter 11 to pass through. The punch plate passes through the passage slot 13 of the guide 12, which guides the movement of the punch plate. The notching tool moves along with the upper die, the notching tool can cut a notch on the punching sheet at a certain interval distance, the notch is positioned between two adjacent punching areas on the punching sheet, and the notch can enable the punching sheet to have a larger deformation space, so that the punching sheet can realize stretching deformation in the through hole.
And an oiling device for oiling the surface of the punching sheet is arranged on one side of the lower die 2. The oiling device comprises a mounting seat 28 and a lubricating oil tank 38. The mounting seat 28 is provided with a motor 29, an output shaft of the motor 29 is connected with an inner cylinder 30, a cavity is arranged in the inner cylinder 30, and a plurality of oil holes 31 are arranged in the circumferential direction of the inner cylinder 30. A sponge ring 32 is sleeved outside the inner cylinder 30. A piston 34 is disposed in the cavity, and an oil chamber 35 is formed between the piston 34 and one end of the cavity. The mounting seat 28 is provided with a fixed shaft 33, and the fixed shaft 33 is arranged coaxially with the output shaft of the motor 29. The piston 34 is provided with a shaft hole 45, and the fixed shaft 33 passes through the shaft hole 45. Be provided with direction annular 40 on the inner wall in shaft hole, direction annular 40 is formed by the end to end connection of a plurality of first chute 46 and second chute 47, and the junction circular arc transition of first chute 46 and second chute 47. The outer circumferential surface of the fixed shaft 33 is provided with a first protrusion 41, and the first protrusion 41 is slidably coupled in the guide ring groove 40. The piston 34 is provided with a second protrusion 43 on an outer circumferential surface thereof, and a sliding groove 42 is provided on an inner wall of the chamber, the sliding groove 42 being provided along an axial direction of the inner cylinder 30. The second cam 43 is slidably connected in the slide groove 42. The fixed shaft 33 is provided with an oil passage 39, the oil passage 39 penetrates through two ends of the fixed shaft, one end of the oil passage 39 is connected with an oil pipe 37, the oil pipe 37 is provided with a one-way valve 36, and one end of the oil pipe 37 is connected with a lubricating oil tank 38. The inner wall of the shaft hole 45 is embedded with a sealing ring 44, and the sealing ring 44 is in sealing fit with the fixed shaft 33. The oiling device can coat a layer of lubricating oil on the surface of the stamping sheet, and can reduce the abrasion between the stamping sheet and the die during stamping. The inner cylinder and the sponge ring arranged outside the inner cylinder rotate under the driving of the motor, a certain amount of lubricating oil is absorbed in the sponge ring, the punched sheets pass through the space between the sponge ring and the mounting seat, and a layer of lubricating oil is uniformly coated on the surfaces of the punched sheets when the sponge ring rotates. Because the second convex block is arranged on the outer ring surface of the piston, the second convex block is connected in the sliding groove on the inner wall of the cavity body in a sliding mode, and the sliding groove is arranged along the axial direction of the inner cylinder, the piston and the inner cylinder rotate synchronously when the inner cylinder rotates, and the piston can only move in the cavity body along the axial direction of the sliding groove. When the inner cylinder rotates, the piston and the fixed shaft rotate relatively, so that the first protruding block arranged on the outer ring surface of the fixed shaft moves along the guide ring groove, in the process, the piston moves back and forth in the cavity under the action of the guide ring groove, when the piston moves towards one direction, the volume of the oil cavity is increased, the one-way valve is in a conduction state, hydraulic oil in the lubricating oil tank is sucked into the oil cavity along the oil duct through the oil pipe, when the piston moves towards the other direction, the volume of the oil cavity is reduced, the one-way valve is in a stop state at the moment, lubricating oil in the oil cavity enters the sponge ring through the oil hole and is absorbed by the sponge, so that the lubricating oil can be continuously supplemented into the sponge ring, and sufficient lubricating oil is always contained in the sponge ring.
When the capacitor shell punching die is used, a punching sheet passes through the space between the upper die and the lower die, the punching sheet is punched by utilizing the downward movement of the upper die, the diameters of the punching rod and the through hole are gradually reduced along the moving direction of the punching sheet, the punching sheet is punched sequentially through the punching rods with different diameters and the through holes in the moving process, and finally the punching sheet is stretched and formed to obtain the needed capacitor shell. According to the invention, the annular oil groove is formed in the lower die and is positioned around the lower die, and the circulating cooling oil is filled in the annular oil groove, so that the cooling oil can cool the lower die, and the lower die is prevented from being too high in temperature in the long-time use process, so that the influence on the processing precision of a product caused by large thermal deformation of the lower die is avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a tensile mould of condenser shell which characterized in that: the device comprises a base, a lower die arranged on the base and an upper die matched with the lower die, wherein a lifting mechanism for driving the upper die to vertically move is arranged on the base; the upper die is provided with a plurality of stamping rods, the lower die is provided with through holes corresponding to the stamping rods, and the lower die is provided with an annular oil groove; and an oiling device for oiling the surface of the stamping sheet is arranged on one side of the lower die.
2. The capacitor shell stretching die as claimed in claim 1, wherein the lifting mechanism comprises a column arranged on the base, an upper end plate is arranged at the upper end of the column, a hydraulic cylinder arranged in a vertical direction is arranged on the upper end plate, a lifting plate is connected to the hydraulic cylinder, and the upper die is arranged on the lifting plate.
3. The capacitor shell stretching die as claimed in claim 2, wherein the base is provided with a vertical guide post, the lifting plate is provided with a guide sleeve matched with the guide post, and the guide sleeve is slidably connected to the guide post.
4. The capacitor shell stretching die as claimed in claim 1, wherein the lower die is provided with a guide rod, the guide rod is vertically arranged, the guide rod is slidably connected to the guide hole plate, the guide hole plate is provided with guide holes corresponding to the through holes one by one, the guide rod is sleeved with a first spring, and two ends of the first spring respectively abut against the guide hole plate and the lower die.
5. The capacitor shell stretching die as claimed in claim 1, wherein a lifting block is slidably connected in the through hole, a limiting ring groove is formed in a side surface of the through hole, a flange is arranged at one end of the lifting block, and the flange is located in the limiting ring groove; a second spring is arranged between the lower end of the lifting block and the bottom of the through hole.
6. The capacitor case drawing die as claimed in claim 1, wherein the lower die is provided with a guide seat, the guide seat is provided with a passage slot through which the punched piece passes, the upper die is provided with a slitting cutter, the slitting cutter is positioned right above the guide seat, and the guide seat is provided with a slitting slot corresponding to the slitting cutter and through which the slitting cutter passes.
7. The capacitor case drawing die as claimed in claim 6, wherein the upper die is provided with a connecting block, the connecting block is provided with an adjusting groove, the slitting tool is connected to the connecting block by a fastening bolt, the slitting tool is provided with a threaded hole, and the fastening bolt passes through the adjusting groove and is connected with the threaded hole provided in the slitting tool.
8. The capacitor shell stretching die as claimed in claim 1, wherein the oiling device comprises a mounting seat and a lubricating oil tank, a motor is arranged on the mounting seat, an inner cylinder is connected to an output shaft of the motor, a cavity is arranged in the inner cylinder, a plurality of oil holes are formed in the inner cylinder in the circumferential direction, and a sponge ring is sleeved outside the inner cylinder; a piston is arranged in the cavity, and an oil cavity is formed between the piston and one end of the cavity; the mounting seat is provided with a fixed shaft, the fixed shaft and an output shaft of the motor are coaxially arranged, the piston is provided with a shaft hole, the fixed shaft penetrates through the shaft hole, the inner wall of the shaft hole is provided with a guide ring groove, the guide ring groove is formed by connecting a plurality of first chutes and second chutes end to end, the connecting part of the first chutes and the second chutes is in arc transition, the outer annular surface of the fixed shaft is provided with a first convex block, and the first convex block is connected in the guide ring groove in a sliding manner; the outer ring surface of the piston is provided with a second convex block, the inner wall of the cavity is provided with a sliding groove, and the second convex block is connected in the sliding groove in a sliding manner; the oil duct is arranged in the fixed shaft and penetrates through two ends of the fixed shaft, one end of the oil duct is connected with an oil pipe, a one-way valve is arranged on the oil pipe, and one end of the oil pipe is connected with a lubricating oil tank.
9. The capacitor case drawing die as claimed in claim 8, wherein a sealing ring is fitted on an inner wall of the shaft hole, and the sealing ring is in sealing engagement with the fixed shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751600.7A CN112024733B (en) | 2020-07-30 | 2020-07-30 | Capacitor case drawing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751600.7A CN112024733B (en) | 2020-07-30 | 2020-07-30 | Capacitor case drawing die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112024733A true CN112024733A (en) | 2020-12-04 |
| CN112024733B CN112024733B (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010751600.7A Active CN112024733B (en) | 2020-07-30 | 2020-07-30 | Capacitor case drawing die |
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| CN (1) | CN112024733B (en) |
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| KR20090001156A (en) * | 2007-06-29 | 2009-01-08 | 현대자동차주식회사 | Lubrication device of an dieface |
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| CN205816573U (en) * | 2016-07-09 | 2016-12-21 | 浙江同兴金属锻件有限公司 | The double disk friction screw press of leukorrhagia mould cooling apparatus |
| CN207372134U (en) * | 2017-10-27 | 2018-05-18 | 深圳市佳合丰科技有限公司 | A kind of multi-station progressive die mold |
| CN207971287U (en) * | 2018-02-08 | 2018-10-16 | 东莞市锐昂精密五金电子有限公司 | A kind of hardware dies with quick cooling function |
| CN208067090U (en) * | 2018-04-18 | 2018-11-09 | 南京恒久机器制造有限公司 | A kind of aluminum alloy pattern plate perforating press |
| CN208513448U (en) * | 2018-06-19 | 2019-02-19 | 青岛德尔凯五金制品有限公司 | A kind of porous stamping die of five metalworkings |
| CN211564243U (en) * | 2020-01-08 | 2020-09-25 | 上海运长模具材料有限公司 | Automobile brake disc mould convenient to extrude |
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2020
- 2020-07-30 CN CN202010751600.7A patent/CN112024733B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090001156A (en) * | 2007-06-29 | 2009-01-08 | 현대자동차주식회사 | Lubrication device of an dieface |
| CN201572839U (en) * | 2009-12-21 | 2010-09-08 | 章新机械工业股份有限公司 | Automatic double-headed punch |
| CN205816573U (en) * | 2016-07-09 | 2016-12-21 | 浙江同兴金属锻件有限公司 | The double disk friction screw press of leukorrhagia mould cooling apparatus |
| CN207372134U (en) * | 2017-10-27 | 2018-05-18 | 深圳市佳合丰科技有限公司 | A kind of multi-station progressive die mold |
| CN207971287U (en) * | 2018-02-08 | 2018-10-16 | 东莞市锐昂精密五金电子有限公司 | A kind of hardware dies with quick cooling function |
| CN208067090U (en) * | 2018-04-18 | 2018-11-09 | 南京恒久机器制造有限公司 | A kind of aluminum alloy pattern plate perforating press |
| CN208513448U (en) * | 2018-06-19 | 2019-02-19 | 青岛德尔凯五金制品有限公司 | A kind of porous stamping die of five metalworkings |
| CN211564243U (en) * | 2020-01-08 | 2020-09-25 | 上海运长模具材料有限公司 | Automobile brake disc mould convenient to extrude |
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| CN112024733B (en) | 2022-03-15 |
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Denomination of invention: A stretching mold for capacitor shell Effective date of registration: 20230330 Granted publication date: 20220315 Pledgee: Industrial Bank Co.,Ltd. Hangzhou Lin'an Branch Pledgor: LINAN AO XING ELECTRONICS Co.,Ltd. Registration number: Y2023980036637 |