CN112497338A - Electronic aluminum foil punching device - Google Patents
Electronic aluminum foil punching device Download PDFInfo
- Publication number
- CN112497338A CN112497338A CN202011341073.9A CN202011341073A CN112497338A CN 112497338 A CN112497338 A CN 112497338A CN 202011341073 A CN202011341073 A CN 202011341073A CN 112497338 A CN112497338 A CN 112497338A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- aluminum foil
- driving
- punching device
- punching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004080 punching Methods 0.000 title claims abstract description 50
- 239000011888 foil Substances 0.000 title claims abstract description 45
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 38
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 230000002146 bilateral effect Effects 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000005030 aluminium foil Substances 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 206010020649 Hyperkeratosis Diseases 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000010405 reoxidation reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/24—Perforating by needles or pins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/086—Electric, magnetic, piezoelectric, electro-magnetic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses an electronic aluminum foil punching device, and relates to a punching device which comprises a fixed base, wherein a supporting vertical plate is fixedly connected to the rear side of the fixed base, an upper transverse plate is fixedly connected to the top of the supporting vertical plate, vertical rods are respectively and slidably connected to the left side and the right side of an upper transverse plate, the tops of the vertical rods are fixedly connected through an upper fixed connecting rod, the middle parts of the vertical rods are fixedly connected through a lower fixed connecting rod, the lower fixed connecting rod is positioned below the upper transverse plate, a reset spring is fixedly connected above the lower fixed connecting rod, and the reset spring is fixedly connected with the upper. The invention has the beneficial effects that: the aluminum foil punching device is simple in structure and convenient to use, reciprocating punching is performed on an aluminum foil through motor driving time limit during use, the punching effect is good, two groups of punching assemblies adopted by the aluminum foil punching device are arranged in bilateral symmetry, two rows of holes can be punched simultaneously, the hole distance between the two rows of holes can be adjusted according to requirements, different punching requirements can be met, and the punching effect is good.
Description
Technical Field
The invention relates to a punching device, in particular to an electronic aluminum foil punching device.
Background
After the aluminum material is processed into foil, the electronic aluminum foil is subjected to surface corrosion treatment and reoxidation treatment, and then is wound to manufacture the capacitor. The aluminum foil before etching is referred to as plain foil, the aluminum foil after etching is referred to as etched foil, and the aluminum foil after reoxidation treatment is referred to as finished foil. The electronic aluminum foil is a plain foil, is a key raw material for producing the aluminum electrolytic capacitor, and is divided into the electronic aluminum foil and an electrode foil in sequence before and after the manufacturing process, wherein the electrode foil comprises a corrosion foil and a formed foil.
Electronic aluminium foil need be through multiple process flow in the in-process of carrying out processing, and wherein the processing flow that wherein punches and to need often, some needs beat the hole of equipartition on the aluminium foil, and some then need beat the strip, is convenient for tear the hole of aluminium foil, and current equipment limitation of punching is great, and most punches and can only beat one row, and is inefficient, uses to experience poorly. Therefore, the electronic aluminum foil punching device is proposed by the technical personnel in the field to solve the problems in the background.
Disclosure of Invention
The present invention is directed to an electronic aluminum foil punching apparatus to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an electron aluminium foil perforating device, includes unable adjustment base, unable adjustment base rear side fixedly connected with supports the riser, supports riser top fixedly connected with last diaphragm, and the upper ledge left and right sides sliding connection has the pole setting respectively, through last fixed connecting rod fixed connection between the pole setting top, the pole setting middle part is through lower fixed connecting rod fixed connection, fixed connecting rod is located the last diaphragm below down, and fixed connecting rod top fixedly connected with reset spring down, reset spring and upper ledge fixed connection go up the driven stand of fixed connecting rod below fixedly connected with, and upper ledge left side fixedly connected with motor support, motor support top fixedly connected with driving motor, driving motor output end fixedly connected with rolling disc, the rolling disc outside fixedly connected with arc drive tooth, the arc drive tooth cooperatees with driven stand, and the pole setting below is provided with the subassembly that punches.
As a further scheme of the invention: the left and right symmetrical fixed connection of the bottom of the fixed base is provided with a supporting foot pad which is fixedly connected with the fixed base through bolts.
As a still further scheme of the invention: the left side has seted up the upright slot on the pole setting, and the driving motor output runs through the upright slot and with upright slot sliding connection.
As a still further scheme of the invention: the driving motor is electrically connected with the power supply through the switch.
As a still further scheme of the invention: the subassembly that punches includes rotates the left worm wheel of being connected and rotates the right worm wheel of being connected with the right side pole setting with the left side pole setting, pole setting bottom fixedly connected with horizontal plate, the horizontal plate middle part is rotated and is connected with the drive worm, the drive worm cooperatees with left worm wheel and right worm wheel, the equal fixedly connected with rotation in left worm wheel and the right worm wheel outside adjusts the pole, rotates the regulation pole outside and has seted up the driving groove, the spout has been seted up to horizontal plate bilateral symmetry, the inboard sliding connection of spout has the slider, the inboard fixedly connected with extension spring of slider, inside the extension spring other end is fixed in the spout, the driven n type pole of slider top fixedly connected with, driven n type pole top run through the horizontal plate.
As a still further scheme of the invention: the bottom of the driving worm is fixedly connected with a driving knob, and the driving knob is embedded in the inner side of the horizontal plate.
As a still further scheme of the invention: the perforating needle is formed by longitudinally arranging a plurality of equally spaced needles.
As a still further scheme of the invention: the reset spring is in a compressed state, and the tension spring and the reset spring are both made of metal materials.
As a still further scheme of the invention: the supporting vertical plate is connected with the fixed base through welding or bolts.
As a still further scheme of the invention: the cross section of the vertical rod is rectangular.
Compared with the prior art, the invention has the beneficial effects that: the aluminum foil punching device is simple in structure and convenient to use, reciprocating punching is performed on an aluminum foil through motor driving time limit during use, the punching effect is good, two groups of punching assemblies adopted by the aluminum foil punching device are arranged in bilateral symmetry, two rows of holes can be punched simultaneously, the hole distance between the two rows of holes can be adjusted according to requirements, different punching requirements can be met, the punching effect is good, and the aluminum foil punching device is worthy of popularization.
Drawings
FIG. 1 is a schematic structural diagram of an electronic aluminum foil punching apparatus;
FIG. 2 is a schematic structural view of a left vertical rod in an electronic aluminum foil perforating device;
FIG. 3 is a schematic view of a connection structure of an arc-shaped driving tooth and a rotating disk in an electronic aluminum foil punching device;
FIG. 4 is a schematic structural diagram of a horizontal plate in an electronic aluminum foil punching apparatus;
in the figure: 1-a fixed base, 2-a supporting vertical plate, 3-an upper transverse plate, 4-an upright post, 5-an upper fixed connecting rod, 6-a lower fixed connecting rod, 7-a return spring, 8-a driven upright post, 9-a motor bracket, 10-a driving motor, 11-a rotating disc, 12-an arc driving tooth, 13-a supporting foot pad, 14-a vertical groove, 15-a left worm wheel, 16-a right worm wheel, 17-a horizontal plate, 18-a driving worm, 19-a rotating adjusting rod, 20-a driving groove, 21-a sliding groove, 22-a sliding block, 23-a tension spring, 24-a driven n-shaped rod, 25-a perforating needle and 26-a driving knob.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The first embodiment is as follows: referring to fig. 1-4, an electronic aluminum foil punching device comprises a fixed base 1, a supporting vertical plate 2 is fixedly connected to the rear side of the fixed base 1, an upper transverse plate 3 is fixedly connected to the top of the supporting vertical plate 2, vertical rods 4 are respectively slidably connected to the left and right sides of the upper transverse plate 3, the tops of the vertical rods 4 are fixedly connected through an upper fixed connecting rod 5, and the middle parts of the vertical rods 4 are fixedly connected through a lower fixed connecting rod 6;
the lower fixed connecting rod 6 is positioned below the upper transverse plate 3, a return spring 7 is fixedly connected above the lower fixed connecting rod 6, the return spring 7 is fixedly connected with the upper transverse plate 3, a driven upright post 8 is fixedly connected below the upper fixed connecting rod 5, a motor bracket 9 is fixedly connected on the left side of the upper transverse plate 3, a driving motor 10 is fixedly connected above the motor bracket 9, a rotating disc 11 is fixedly connected at the output end of the driving motor 10, an arc-shaped driving tooth 12 is fixedly connected on the outer side of the rotating disc 11, the arc-shaped driving tooth 12 is matched with the driven upright post 8, and a punching assembly is arranged below the vertical rod 4;
settle the device on the aluminium foil production line during the use, later can open motor 10, motor 10 rotates and drives rolling disc 11 and rotate, and rolling disc 11 rotates and to drive arc drive tooth 12 and rotate, and arc drive tooth 12 drives driven stand 8 up-and-down motion, drives the pole setting 4 up-and-down motion of both sides then to realize punching through the subassembly that punches.
The fixed base 1 bottom bilateral symmetry fixedly connected with supports callus on the sole 13, supports callus on the sole 13 and adopts bolt and fixed base 1 fixed connection.
The upright rod 4 on the left side is provided with an upright groove 14, and the output end of the driving motor 10 penetrates through the upright groove 14 and is in sliding connection with the upright groove 14.
The driving motor 10 is electrically connected with a power supply through a switch.
The punching assembly comprises a left worm wheel 15 rotationally connected with the left upright rod 4 and a right worm wheel 16 rotationally connected with the right upright rod 4, the bottom of the upright rod 4 is fixedly connected with a horizontal plate 17, the middle of the horizontal plate 17 is rotationally connected with a driving worm 18, the driving worm 18 is matched with the left worm wheel 15 and the right worm wheel 16, the outer sides of the left worm wheel 15 and the right worm wheel 16 are fixedly connected with a rotation adjusting rod 19, the outer side of the rotation adjusting rod 19 is provided with a driving groove 20, the horizontal plate 17 is bilaterally symmetrical to be provided with sliding grooves 21, the inner side of the sliding grooves 21 is slidably connected with a sliding block 22, the inner side of the sliding block 22 is fixedly connected with a tension spring 23, the other end of the tension spring 23 is fixed inside the sliding groove 21, a driven n-type rod 24 is fixedly connected above;
before punching, the driving worm 18 is rotated to drive the left worm wheel 15 and the right worm wheel 16 to rotate, then the rotating adjusting rod 19 is driven to be unfolded or closed, the punching needles 25 move outwards through the driven n-shaped rod 24 during unfolding, the distance between the punching needles 25 on the two sides is increased, otherwise, the distance is decreased, and the applicability of the device is improved.
The perforating needle 25 is formed by arranging a plurality of equally spaced needles in the longitudinal direction.
The return spring 7 is in a compressed state, and the tension spring 23 and the return spring 7 are made of metal materials.
The supporting vertical plate 2 is connected with the fixed base 1 through welding or bolts.
The section of the upright rod 4 is rectangular.
Example two: this embodiment is a further improvement of the previous embodiment: the bottom of the driving worm 18 is fixedly connected with a driving knob 26, the driving knob 26 is embedded in the horizontal plate 17, the driving knob 26 is embedded in the horizontal plate, the problem that the driving knob is contacted with an aluminum foil in the punching process can be well solved, and interference cannot be generated.
The working principle of the invention is as follows: settle the device on the aluminium foil production line during the use, later can open motor 10, motor 10 rotates and drives rolling disc 11 and rotate, and rolling disc 11 rotates and to drive arc drive tooth 12 and rotate, and arc drive tooth 12 drives driven stand 8 up-and-down motion, drives the pole setting 4 up-and-down motion of both sides then to realize punching through the subassembly that punches.
Before punching, the driving worm 18 is rotated to drive the left worm wheel 15 and the right worm wheel 16 to rotate, then the rotating adjusting rod 19 is driven to be unfolded or closed, the punching needles 25 move outwards through the driven n-shaped rod 24 during unfolding, the distance between the punching needles 25 on the two sides is increased, otherwise, the distance is decreased, and the applicability of the device is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. An electronic aluminum foil punching device comprises a fixed base (1), a supporting vertical plate (2) is fixedly connected to the rear side of the fixed base (1), an upper transverse plate (3) is fixedly connected to the top of the supporting vertical plate (2), vertical rods (4) are respectively connected to the left side and the right side of the upper transverse plate (3) in a sliding manner, the tops of the vertical rods (4) are fixedly connected through an upper fixed connecting rod (5), the middle of each vertical rod (4) is fixedly connected through a lower fixed connecting rod (6), and the electronic aluminum foil punching device is characterized in that the lower fixed connecting rod (6) is positioned below the upper transverse plate (3), a reset spring (7) is fixedly connected above the lower fixed connecting rod (6), the reset spring (7) is fixedly connected with the upper transverse plate (3), a driven upright post (8) is fixedly connected below the upper fixed connecting rod (5), a motor support (9) is fixedly connected to the left side of the upper, the output end of the driving motor (10) is fixedly connected with a rotating disc (11), the outer side of the rotating disc (11) is fixedly connected with arc driving teeth (12), the arc driving teeth (12) are matched with the driven upright post (8), and a punching assembly is arranged below the upright post (4).
2. The electronic aluminum foil punching device according to claim 1, wherein the bottom of the fixing base (1) is fixedly connected with supporting foot pads (13) in a bilateral symmetry manner, and the supporting foot pads (13) are fixedly connected with the fixing base (1) by bolts.
3. The electronic aluminum foil punching device according to claim 2, wherein a vertical slot (14) is formed in the left vertical rod (4), and the output end of the driving motor (10) penetrates through the vertical slot (14) and is slidably connected with the vertical slot (14).
4. The electronic aluminum foil punching device according to claim 3, wherein the driving motor (10) is electrically connected with a power supply through a switch.
5. The electronic aluminum foil punching device according to any one of claims 1 to 4, wherein the punching assembly comprises a left worm wheel (15) rotatably connected with the left upright (4) and a right worm wheel (16) rotatably connected with the right upright (4), a horizontal plate (17) is fixedly connected with the bottom of the upright (4), a driving worm (18) is rotatably connected with the middle of the horizontal plate (17), the driving worm (18) is matched with the left worm wheel (15) and the right worm wheel (16), a rotating adjusting rod (19) is fixedly connected with the outer sides of the left worm wheel (15) and the right worm wheel (16), a driving groove (20) is formed in the outer side of the rotating adjusting rod (19), sliding grooves (21) are symmetrically formed in the left and right of the horizontal plate (17), a sliding block (22) is slidably connected with the inner side of the sliding groove (21), a tension spring (23) is fixedly connected with the inner side of the sliding block (22, the upper part of the sliding block (22) is fixedly connected with a driven n-shaped rod (24), the top of the driven n-shaped rod (24) penetrates through the horizontal plate (17) to be matched with the driving groove (20), and the bottom of the sliding block (22) is fixedly connected with a punching needle (25).
6. The electronic aluminum foil punching device according to claim 5, wherein a driving knob (26) is fixedly connected to the bottom of the driving worm (18), and the driving knob (26) is embedded inside the horizontal plate (17).
7. The electronic aluminum foil perforating device as claimed in claim 5, characterized in that the perforating needle (25) is formed by a plurality of equally spaced needles arranged in a longitudinal direction.
8. The electronic aluminum foil punching device according to claim 5, wherein the return spring (7) is in a compressed state, and the tension spring (23) and the return spring (7) are both made of metal.
9. The electronic aluminum foil perforating device as claimed in claim 1, wherein the supporting vertical plate (2) is connected with the fixed base (1) by welding or bolts.
10. The electronic aluminum foil perforating device as claimed in claim 1, characterized in that the upright (4) is rectangular in cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011341073.9A CN112497338B (en) | 2020-11-25 | 2020-11-25 | Electronic aluminum foil punching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011341073.9A CN112497338B (en) | 2020-11-25 | 2020-11-25 | Electronic aluminum foil punching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112497338A true CN112497338A (en) | 2021-03-16 |
| CN112497338B CN112497338B (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011341073.9A Active CN112497338B (en) | 2020-11-25 | 2020-11-25 | Electronic aluminum foil punching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112497338B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113942073A (en) * | 2021-10-15 | 2022-01-18 | 盐城工学院 | High-accuracy hole distribution positioning device for electrode foil and positioning method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050145085A1 (en) * | 2004-01-06 | 2005-07-07 | Ying-Chou Lee | Punch structure |
| CN107160482A (en) * | 2017-05-29 | 2017-09-15 | 孙美娟 | A kind of double end perforating device of the adjustable building decorative plates of spacing |
| CN207549774U (en) * | 2017-09-13 | 2018-06-29 | 吉林工程技术师范学院 | A kind of Financial Information bookbinding perforating device |
| CN210705110U (en) * | 2019-09-27 | 2020-06-09 | 西安科技大学 | Perforating device for accounting |
| CN111764820A (en) * | 2020-07-15 | 2020-10-13 | 包文泉 | Ground perforating device for installing electric automobile charging pile |
-
2020
- 2020-11-25 CN CN202011341073.9A patent/CN112497338B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050145085A1 (en) * | 2004-01-06 | 2005-07-07 | Ying-Chou Lee | Punch structure |
| CN107160482A (en) * | 2017-05-29 | 2017-09-15 | 孙美娟 | A kind of double end perforating device of the adjustable building decorative plates of spacing |
| CN207549774U (en) * | 2017-09-13 | 2018-06-29 | 吉林工程技术师范学院 | A kind of Financial Information bookbinding perforating device |
| CN210705110U (en) * | 2019-09-27 | 2020-06-09 | 西安科技大学 | Perforating device for accounting |
| CN111764820A (en) * | 2020-07-15 | 2020-10-13 | 包文泉 | Ground perforating device for installing electric automobile charging pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113942073A (en) * | 2021-10-15 | 2022-01-18 | 盐城工学院 | High-accuracy hole distribution positioning device for electrode foil and positioning method thereof |
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| Publication number | Publication date |
|---|---|
| CN112497338B (en) | 2022-08-16 |
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