CN108941680A - A kind of water meter case drilling equipment - Google Patents
A kind of water meter case drilling equipment Download PDFInfo
- Publication number
- CN108941680A CN108941680A CN201810958800.2A CN201810958800A CN108941680A CN 108941680 A CN108941680 A CN 108941680A CN 201810958800 A CN201810958800 A CN 201810958800A CN 108941680 A CN108941680 A CN 108941680A
- Authority
- CN
- China
- Prior art keywords
- table body
- water meter
- fixed plate
- meter case
- drilling equipment
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000005553 drilling Methods 0.000 title claims abstract description 60
- 230000000712 assembly Effects 0.000 claims abstract description 14
- 238000000429 assembly Methods 0.000 claims abstract description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 19
- 210000003625 skull Anatomy 0.000 claims description 12
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 238000012797 qualification Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
- B23B39/161—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The water meter case drilling equipment that a kind of accurate positioning is stable, product drilling qualification rate is high, bore operation is high-efficient is provided, including rack, boring assemblies (3), clamping assembly, clamping assembly includes movable plate (4) and its driving mechanism, and movable plate (4), which is equipped with, for fixing seat (41) that table body (5) are located and to be set to the limit base (42) that fixing seat (41) side limits the end of table body (5) water outlet；Fixed plate (6) are equipped with above movable plate (4), the through-hole (62) passed through for each drill bit (31) is offered in fixed plate (6)；The positioning column (64) for being inserted into table body (5) cavity (51) is arranged in fixing seat (41) corresponding position below in fixed plate (6), and the positioning pin (65) for being inserted into the end chamber (52) of table body (5) water outlet is arranged in limit base (42) corresponding position；Table body is fixed precisely to be stablized, and drilling qualification rate is substantially improved with operating efficiency.
Description
Technical field
The present invention relates to a kind of water meter case drilling equipment, it is particularly used for a kind of multiple connecting holes of water meter case while bores
The drilling equipment in hole.
Background technique
Water meter is to record the instrument of water consumption by measuring originally water flow, mainly includes water meter case (also referred to as table
Body) with water meter movement and housing, water meter case is generally made of metallic copper, is generally used casting and forming, is preferably used
Forging and forming.Water meter movement is arranged in the cavity of water meter case, the two sides of water meter case be respectively equipped with through the cavity into
Aquaporin and exhalant canal, are connected with waterpipe respectively.Need to usually be arranged on water meter case multiple connecting holes with watchcase cover
Body or other component are fixedly connected.Need housing upper face to bore multiple connecting holes after water meter case molding, and multiple connecting holes it
Between generally have a mutual alignment requirement.If drilling efficiency is low respectively, mutual alignment is also extremely difficult to require；So being in
Multiple connecting holes in same orientation are suitble to drill together simultaneously, and not only drilling efficiency is high, and can guarantee that mutual alignment reaches requirement.
Water meter case multiple connecting holes will most importantly solve the orientation problem of water meter case workpiece when drilling together simultaneously.
Applicant in this case proposes CN201720882689.4 utility model application in 2017.07.20, and notification number is
CN206952218U；The water meter case drilling equipment of a kind of entitled " the multiaxis puncher for water meter case " is disclosed, but
When implementing there are the positioning of water meter case workpiece is unstable, water meter case workpiece is easy rotation and deviates when drilling, causes to drill
When need operator manually to help workpiece, bore operation efficiency is very low, because of uncertain, the product drilling of manual operation factor
Qualification rate is also very low, and different operation person because skilled operation degree different product drilling qualification rate and operating efficiency it is irregular not
Together, it is difficult to meet production requirement.In addition, the concrete scheme structure that rotates with move up and down of the CN206952218U to its boring assemblies
At not also being described.
The scheme that the present patent application is proposed be to its it is further improve with it is perfect.Skill disclosed in CN206952218U
Art content in the application by reference as all proposed.
Summary of the invention
The technical problem to be solved by the present invention is to status in view of the above technology, provide that a kind of accurate positioning is stable, product
Water meter case drilling equipment new departure that the qualification rate that drills is high, bore operation is high-efficient.
The technical scheme of the invention to solve the technical problem is:
A kind of water meter case drilling equipment, the disposable synchronous drilling of multiple connecting holes for water meter case；The drilling dress
It sets including rack, boring assemblies (3), clamping assembly, rack includes pedestal (1), the column (2) being erected on pedestal (1), described
Boring assemblies (3) include the drilling driving box (32) for being mounted on column (2) upper end, and drilling driving box (32) lower end is fixedly connected more
Axis device (33), which is characterized in that multiple drill bits are arranged in the quantity and status requirement that multi-shaft device (33) is needed to drill by water meter case
(31), the boring assemblies (3) further include the drill bit moving drive mechanism for driving multi-shaft device (33) to move up and down；The clamping group
Part includes movable plate (4) and its movable plate driving mechanism that drives it to move up and down, and movable plate (4) is equipped with can be for table body
(5) fixing seat (41) being located and the limit that the end of table body (5) water outlet is limited set on fixing seat (41) side
Seat (42)；It is equipped with the fixed plate (6) being fixedly connected with rack above the movable plate (4), is offered in fixed plate (6) and drill bit
(31) through-hole (62) passed through correspondingly for each drill bit (31)；The fixed plate (6) is below in fixing seat (41) corresponding position
Positioning column (64) for being inserted into table body (5) cavity (51) is set, and the fixed plate (6) sets in limit base (42) corresponding position below
Set the positioning pin (65) of the end chamber (52) for being inserted into table body (5) water outlet.
The following are water meter case drilling equipment further embodiments of the present invention.
The water meter case drilling equipment includes positioning seat (63), which is in screw-like, including discoid
Skull portion and columned extension, extension is as the positioning column (64)；The fixed plate (6) with fixing seat
(41) corresponding position opens up the compatible big location hole (61) with table body (5), positioning column (64) insertion of positioning seat (63)
In big location hole (61), the skull portion of positioning seat (63) is fixedly mounted on fixed plate (6), positioning column (64) and big location hole
(61) annular gap that be embedded in for table body (5) cavity wall (53) is formed between hole wall so that the upper surface of table body (5) can with calmly
The skull portion of position seat (63) offsets.
The circumferentially arranged long hole (631) of corresponding drill bit (31) is offered above positioning seat (63) the skull portion.
The fixed plate (6) opens up small location hole (66), the positioning pin in position corresponding with limit base (42)
(65) connecting column (652) for including shank (651) and stretching out upwards from shank (651), shank (651) is in small top and big bottom
Circular cone column, and be adapted with the end chamber (52) of table body (5) water outlet, shank (651) is located at fixed plate (6) in the following, connection
Column (652) passes through the small location hole (66) of fixed plate (6), and connecting column (652) upper end is equipped with thread segment (653), the thread segment
(653) stretch out fixed plate (6) above, be fixed on fixed plate (6) with nut (654).
The groove of the water inlet end of limit table body (5) and water outlet respectively is offered on the peripheral wall of the fixing seat (41)
(411)。
The movable plate driving mechanism is to be fixed on can push that movable plate (4) moves up and down of pedestal (1) two sides
The piston rod end of two cylinders (11), second cylinder (11) is connect with movable plate (4), while configured with the control piston
The mobile switch (12) of bar axial reciprocating.
It is connect between the pedestal (1) and fixed plate (6) by support rod (7), the switch (12) is set to the support
On bar (7).
Drilling driving box (32) is the motor-driven gearbox by its side is arranged in, the drilling driving box
(32) shaft of lower end drives multiple small shafts in multi-shaft device (33), each small shaft connection drill bit (31).The drill bit moves
Dynamic driving mechanism is the first cylinder for being fixed on driving box (32) two sides, and the piston rod end of the first cylinder connects multi-shaft device
(33).Control cabinet (21) are additionally provided with by the drilling driving box (32).
The present invention is compared to technical solution or other prior arts disclosed in the CN206952218U before improving, using insertion table
The positioning column of body cavity is combined with the positioning pin (65) of the end chamber of insertion table body water outlet；Further, positioning column and big
The annular gap being embedded in for table body lumen wall is formed between the hole wall of location hole, enables the upper surface of table body with the skull of positioning seat
Portion offsets.Precisely to stablize so that table body is fixed, drilling quality is good, high-efficient, and drilling qualification rate is substantially improved with operating efficiency, and one
The drilling processing operation that a skilled operator completes a table body 5 only takes 2 to 3 seconds, and practical class produces up to 5000 or more,
Moreover, drilling qualification rate is almost 100%.The scheme of boring assemblies has also been made further perfect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is to remove the structural schematic diagram after table body to be processed in Fig. 1；
Fig. 3 is the fixed plate of the embodiment of the present invention and the structural decomposition diagram of positioning seat, positioning pin；
Fig. 4 is the fixed plate schematic bottom view for loading onto positioning pin；
Fig. 5 is the structural schematic diagram of the table body of the embodiment of the present invention.
Specific embodiment
Below to illustrate a specific embodiment of the invention shown in Fig. 1 to Fig. 5.
A kind of water meter case drilling equipment, the disposable synchronous drilling of multiple connecting holes for water meter case.Shell of water flowmeter
Body generally uses metallic copper casting or forging and forming.Water meter case is referred to as table body 5 in present specification, as shown in figure 5, table body
5 have the cavity 51 for water meter movement to be arranged, and 5 two sides of table body are respectively equipped with logical through the intake tunnel of the cavity and water outlet
Road, table body (5) water outlet have end chamber (52).The positioning accurate and stable to its is needed when drilling processing；Due to shell of water flowmeter
Body it is in irregular shape, positioning requirements again it is higher, so solving the most important thing and its skill that its orientation problem is drilling equipment
Art difficult point.As shown in Figure 1 and Figure 2, which includes rack, boring assemblies (3), clamping assembly.Rack include pedestal (1),
The column (2) being erected on pedestal (1).
As shown in Figure 1 and Figure 2, the boring assemblies (3) include the drilling driving box (32) for being mounted on column (2) upper end, are bored
Hole driving box (32) lower end is fixedly connected multi-shaft device (33), and multi-shaft device (33) needs the quantity to drill to want with position by water meter case
The multiple drill bits (31) of setting are asked, the boring assemblies (3) further include the mobile driving of drill bit for driving multi-shaft device (33) to move up and down
Mechanism.The drilling driving box (32) is gearbox, by the motor driven that its side is arranged in.Under the drilling driving box (32)
The shaft at end drives multiple small shafts in multi-shaft device (33), each small shaft connection drill bit (31).The mobile driving of the drill bit
Mechanism is the first cylinder for being fixed on driving box (32) two sides, and the piston rod end of the first cylinder connects multi-shaft device (33).It is described
Control cabinet (21) are additionally provided with by drilling driving box (32).
As shown in Figure 1 and Figure 2, the clamping assembly includes movable plate (4) and its movable plate for driving it to move up and down driving
Mechanism, movable plate (4), which is equipped with, for fixing seat (41) that table body (5) are located and to be set to fixing seat (41) side to table
The limit base (42) that the end of body (5) water outlet is limited；Consolidate above the movable plate (4) equipped with what is be fixedly connected with rack
Fixed board (6).As shown in Figure 3, Figure 4, it is offered in fixed plate (6) and supplies each drill bit (31) to pass through correspondingly with drill bit (31)
Through-hole (62)；The positioning for being inserted into table body (5) cavity (51) is arranged in fixing seat (41) corresponding position below in the fixed plate (6)
The end chamber for being inserted into table body (5) water outlet is arranged in limit base (42) corresponding position below in column (64), the fixed plate (6)
(52) positioning pin (65).
Positioning column (64) specifically can be used under type such as and be formed: as shown in figure 3, the water meter case drilling equipment includes
Positioning seat (63), the positioning seat (63) are in screw-like, and including discoid skull portion and columned extension, extension is made
For the positioning column (64)；The fixed plate (6) opens up compatible with table body (5) in position corresponding with fixing seat (41)
The positioning column (64) of big location hole (61), positioning seat (63) is inserted into big location hole (61), and the skull portion of positioning seat (63) is fixed
It is mounted on fixed plate (6), is formed between positioning column (64) and the hole wall of big location hole (61) and be embedded in for table body (5) cavity wall (53)
Annular gap so that the upper surface of table body (5) can offset with the skull portion of positioning seat (63).Positioning seat (63) head
The circumferentially arranged long hole (631) of corresponding drill bit (31) can be offered above cover.
Positioning pin (65) specifically can be used under type such as and be formed: as shown in figure 3, the fixed plate (6) with limit base
(42) corresponding position opens up small location hole (66), the positioning pin (65) include shank (651) with it is upward from shank (651)
The connecting column (652) of stretching, shank (651) are in small top and big bottom circular cone column, and the end chamber with table body (5) water outlet
(52) be adapted, shank (651) be located at fixed plate (6) in the following, connecting column (652) pass through fixed plate (6) small location hole (66),
Connecting column (652) upper end is equipped with thread segment (653), the thread segment (653) stretch out fixed plate (6) above, it is solid with nut (654)
It is scheduled on fixed plate (6).As shown in figure 4, positioning pin (65) shank (651) stretches out downward below in fixed plate (6).
As shown in Fig. 2, offering the water inlet end of limit table body (5) and water outlet respectively on the peripheral wall of the fixing seat (41)
Groove (411).As shown in Figure 1 and Figure 2, the movable plate driving mechanism be fixed on pedestal (1) two sides can push movement
The piston rod end of the second cylinder (11) that plate (4) moves up and down, second cylinder (11) is connect with movable plate (4), simultaneously
Configured with the switch (12) for controlling the piston rod axial reciprocating movement.Pass through support between the pedestal (1) and fixed plate (6)
Bar (7) connection, the switch (12) are set on the support rod (7).
When water meter case drilling equipment of the present invention operates with, table body 5 is placed on movable plate (4), the bottom of table body 5 is made
Portions are seated in fixing seat 41, and the water inlet end of table body (5) and water outlet are entrapped in groove (411), and water outlet is located at limit base
In 42, the outer end of water outlet is locked to limit base 42, in this way, table body 5 is just positioned in fixing seat 41 and limit base 42.Then it presses
The piston rod that dynamic switch 12 starts the second cylinder (11) stretches out upwards, and movable plate (4) moves up directly under the promotion of piston rod
It offsets to 5 upper surface of table body with pedestal 63, is then moved down and drilled by control cabinet (21) control driving boring assemblies 3.
After drilling, control cabinet (21) control boring assemblies 3 are moved up, and drill bit 31 exits table body 5, and movable plate (4) is in piston rod
Drive under move down reset after, table body 5 be detached from fixed plate (6) limit, table body 5 is removed from movable plate (4), is changed
Upper table body 5 to be processed, repeats aforesaid operations.Operator need to only be continuously finished 3 movements when each water meter case drills: 1, will
5 workpiece placement positioning of table body, 2, press switch 12,3, remove 5 workpiece of table body；One skilled operator completes a table body 5
Drilling processing operation only take 2 to 3 seconds, practical class produces up to 5000 or more, moreover, drilling qualification rate is almost 100%.
Claims (10)
1. a kind of water meter case drilling equipment, the disposable synchronous drilling of multiple connecting holes for water meter case；The drilling
Device includes rack, boring assemblies (3), clamping assembly, and rack includes pedestal (1), the column (2) being erected on pedestal (1), institute
Stating boring assemblies (3) includes the drilling driving box (32) for being mounted on column (2) upper end, and drilling driving box (32) lower end is fixedly connected
Multi-shaft device (33), which is characterized in that multiple brills are arranged in the quantity and status requirement that multi-shaft device (33) is needed to drill by water meter case
Head (31), the boring assemblies (3) further include the drill bit moving drive mechanism for driving multi-shaft device (33) to move up and down；The clamping
Component includes movable plate (4) and its movable plate driving mechanism that drives it to move up and down, and movable plate (4) is equipped with can be for table body
(5) fixing seat (41) being located and the limit that the end of table body (5) water outlet is limited set on fixing seat (41) side
Seat (42)；It is equipped with the fixed plate (6) being fixedly connected with rack above the movable plate (4), is offered in fixed plate (6) and drill bit
(31) through-hole (62) passed through correspondingly for each drill bit (31)；The fixed plate (6) is below in fixing seat (41) corresponding position
Positioning column (64) for being inserted into table body (5) cavity (51) is set, and the fixed plate (6) sets in limit base (42) corresponding position below
Set the positioning pin (65) of the end chamber (52) for being inserted into table body (5) water outlet.
2. water meter case drilling equipment as described in claim 1, which is characterized in that the water meter case drilling equipment includes
Positioning seat (63), the positioning seat (63) are in screw-like, and including discoid skull portion and columned extension, extension is made
For the positioning column (64)；The fixed plate (6) opens up compatible with table body (5) in position corresponding with fixing seat (41)
The positioning column (64) of big location hole (61), positioning seat (63) is inserted into big location hole (61), and the skull portion of positioning seat (63) is fixed
It is mounted on fixed plate (6), is formed between positioning column (64) and the hole wall of big location hole (61) and be embedded in for table body (5) cavity wall (53)
Annular gap so that the upper surface of table body (5) can offset with the skull portion of positioning seat (63).
3. water meter case drilling equipment as claimed in claim 2, which is characterized in that above positioning seat (63) the skull portion
Offer the circumferentially arranged long hole (631) of corresponding drill bit (31).
4. water meter case drilling equipment as described in claim 1, which is characterized in that the fixed plate (6) with limit base
(42) corresponding position opens up small location hole (66), the positioning pin (65) include shank (651) with it is upward from shank (651)
The connecting column (652) of stretching, shank (651) are in small top and big bottom circular cone column, and the end chamber with table body (5) water outlet
(52) be adapted, shank (651) be located at fixed plate (6) in the following, connecting column (652) pass through fixed plate (6) small location hole (66),
Connecting column (652) upper end is equipped with thread segment (653), the thread segment (653) stretch out fixed plate (6) above, it is solid with nut (654)
It is scheduled on fixed plate (6).
5. water meter case drilling equipment as described in claim 1, which is characterized in that opened up on the peripheral wall of the fixing seat (41)
There is the groove (411) of the water inlet end of limit table body (5) respectively and water outlet.
6. water meter case drilling equipment as described in claim 1, which is characterized in that the movable plate driving mechanism is to be fixed on
Second cylinder (11) that movable plate (4) can be pushed to move up and down of pedestal (1) two sides, the piston rod of second cylinder (11)
End is connect with movable plate (4), while configured with the switch (12) for controlling the piston rod axial reciprocating movement.
7. water meter case drilling equipment as claimed in claim 6, which is characterized in that between the pedestal (1) and fixed plate (6)
It is connected by support rod (7), the switch (12) is set on the support rod (7).
8. water meter case drilling equipment as described in claim 1, which is characterized in that the drilling driving box (32) is by being arranged
In the motor-driven gearbox of its side, the shaft of described drilling driving box (32) lower end drives multiple in multi-shaft device (33)
Small shaft, each small shaft connection drill bit (31).
9. water meter case drilling equipment as claimed in claim 8, which is characterized in that the drill bit moving drive mechanism is to fix
The piston rod end of the first cylinder in driving box (32) two sides, the first cylinder connects multi-shaft device (33).
10. water meter case drilling equipment as claimed in claim 9, which is characterized in that also set by the drilling driving box (32)
It is equipped with control cabinet (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810958800.2A CN108941680A (en) | 2018-08-22 | 2018-08-22 | A kind of water meter case drilling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810958800.2A CN108941680A (en) | 2018-08-22 | 2018-08-22 | A kind of water meter case drilling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108941680A true CN108941680A (en) | 2018-12-07 |
Family
ID=64473482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810958800.2A Pending CN108941680A (en) | 2018-08-22 | 2018-08-22 | A kind of water meter case drilling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108941680A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877640A (en) * | 2019-03-22 | 2019-06-14 | 合肥旺和电子科技有限公司 | Electric automobile charging pile cabinet drilling equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877640A (en) * | 2019-03-22 | 2019-06-14 | 合肥旺和电子科技有限公司 | Electric automobile charging pile cabinet drilling equipment |
| CN109877640B (en) * | 2019-03-22 | 2024-02-06 | 合肥旺和电子科技有限公司 | Electric automobile fills electric pile rack drilling equipment |
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