CN110508845A - Drilling device suitable for four side of square tube - Google Patents
Drilling device suitable for four side of square tube Download PDFInfo
- Publication number
- CN110508845A CN110508845A CN201910833177.2A CN201910833177A CN110508845A CN 110508845 A CN110508845 A CN 110508845A CN 201910833177 A CN201910833177 A CN 201910833177A CN 110508845 A CN110508845 A CN 110508845A
- Authority
- CN
- China
- Prior art keywords
- square
- workbench
- square tube
- drilling device
- shaft
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 31
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 230000003028 elevating effect Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
- 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/26—Fluid-pressure drives
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
-
- 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/003—Cyclically moving conveyors
Abstract
The present invention relates to the drilling device for being suitable for four side of square tube, including workbench, workbench front is equipped with drilling driving assembly；Rear portion is placed with square block on workbench；The switch rack of U-shaped is equipped with above each square block, each switch rack is respectively connected with square shaft；The square shaft is connected separately with elevating control component, rotational control assemblies；The elevating control component, rotational control assemblies are respectively connected with total drive component.High degree of automation of the present invention, on the basis of square tube is carried out clamping, it is driven by gear teeth alternative expression and belt is driven, can recycle successively declined, drilled, being risen, being detected, indexable five steps, to realize quickly and synchronize to the square tube of batch each side progress drilling processing and detect, counter bored holes are high in machining efficiency.
Description
Technical field
The present invention relates to a kind of machining equipments, are specifically suitable for the drilling device of four side of square tube.
Background technique
Usually, square tube is being applied to auto parts and components assembling assembly, especially needs to install on each side thereof
It when multiple small parts, then needs in processing, is intended to carry out drilling processing on four sides of square tube, passes through the hole of brill
These small parts are assembled, but in actual production and processing, since each face will drill, and required drilling
The square tube number of processing is also more and also needs to detect to prevent leak-stopping brill when drilling, so traditional drilling device is difficult to meet in fact
The processing of border high efficiency and detection demand.
Summary of the invention
Now in order to meet the demand of the above-mentioned drilling processing to square tube, the invention proposes the brills for being suitable for four side of square tube
Hole equipment.
The technical problems to be solved by the invention are realized using following technical scheme:
Suitable for the drilling device of four side of square tube, including workbench, workbench front is equipped with drilling driving assembly；Work
Rear portion is placed with square block on platform；The switch rack of U-shaped is equipped with above each square block, each switch rack is respectively connected with square shaft；
The square shaft is connected separately with elevating control component, rotational control assemblies；The elevating control component, rotational control assemblies connect
It is connected to total drive component.Rectangular block size is adapted with size on the inside of the square tube of required processing.
The drilling driving assembly include respectively in a position-stable manner, slide back and forth on the table hydraulic of being slidably installed
Cylinder, seat board, arrangement is equipped with No.1 motor in the horizontal direction on the seat board, and each No.1 motor is respectively connected with drill bit.In addition,
Workbench is equipped with the kerve being slidably matched with seat board.
The elevating control component includes being led respectively by what fixed form, bearing block connection type were installed on the workbench
To frame, lead screw；Screw thread is equipped with the substrate with the cooperation of leading truck vertical sliding on the lead screw, and each square shaft is pacified by bearing
On substrate.
The rotational control assemblies include the corresponding belt wheel that divides for being mounted on each square shaft top, and all dividing between belt wheel is set
Have and is driven connected No.1 belt.
The rotational control assemblies further include the hanger being fixedly mounted on the table, are installed respectively on the hanger by bearing
There are input shaft, output shaft；The input shaft, output shaft are respectively connected with drive pulley；It is equipped between two drive pulleys by the two
No. two connected belts of transmission, the output shaft lower part is provided with the mating groove that any one square shaft Upper vertical is slidably installed.
Total component that drives includes respectively by fixed form, corresponding two be installed on the workbench of bearing block connection type
Number motor, countershaft；No. two motors are connected with partial gear；The partial gear is engaged with left gear, right tooth respectively
Wheel and middle gear；Right gear is mounted on lead screw, and middle gear is mounted on input shaft, and left gear is mounted on countershaft.
Deflecting belt wheel is also equipped on the lead screw, on countershaft；It is equipped with for the two to be driven between two deflecting belt wheels and be connected
It and is in the rope band of X cross-like.
Each switch rack lower part is mounted on cylinder, and each cylinder is respectively connected with pressing plate.Workbench upper forepart is equipped with vertical
Frame is equipped with inductor in stand.
In the present invention, the cross section of each square shaft is square.Square block, drill bit and inductor are in front-rear position
It corresponds.
The beneficial effects of the present invention are:
High degree of automation of the present invention is driven and skin on the basis of square tube is carried out clamping by gear teeth alternative expression
V belt translation, can recycle successively declined, drilled, being risen, being detected, indexable five steps, to realize quickly and synchronize to batch
The each side of square tube carry out drilling processing and detect, counter bored holes are high in machining efficiency.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is top view of the invention；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the B-B cross-sectional view of Fig. 2；
Fig. 4 is the top view of workbench；
Fig. 5 is partial enlarged view at the I of Fig. 2；
Fig. 6 is square tube perspective view；
Fig. 7 is the square tube perspective view after drilling.
Specific embodiment
In order to make those skilled in the art better understand technical solution of the present invention, below in conjunction in embodiment
Attached drawing, the present invention is become apparent from, it is more complete illustrate, certain described embodiment be a part of the invention rather than
All, it is based on the present embodiment, those skilled in the art are obtained other real without any creative labor
Example is applied, is within the scope of the invention.
As shown in Figures 1 to 5, the drilling device suitable for four side of square tube, including workbench 1,1 front of workbench are equipped with
Drill driving assembly；Rear portion is placed with square block 1a on workbench 1；The switch rack 5 of U-shaped is equipped with above each square block 1a,
Each switch rack 5 is respectively connected with square shaft 6；The square shaft 6 is connected separately with elevating control component, rotational control assemblies；The liter
Drop control assembly, rotational control assemblies are respectively connected with total drive component.Size on the inside of square block 1a size and the square tube of required processing
It is adapted.
The drilling driving assembly include respectively in a position-stable manner, slide back and forth be slidably mounted on it is hydraulic on workbench 1
Cylinder 25, seat board 2, arrangement is equipped with No.1 motor 3 in the horizontal direction on the seat board 2, and each No.1 motor 3 is respectively connected with drill bit
4.In addition, workbench 1 is equipped with the kerve 1b being slidably matched with seat board 2.
The elevating control component includes being mounted on workbench 1 by fixed form, bearing block connection type respectively
Leading truck 7, lead screw 8；Screw thread is equipped with the substrate 9 with the cooperation of 7 vertical sliding of leading truck on the lead screw 8, and each square shaft 6 is logical
Bearing is crossed to be mounted on substrate 9.
The rotational control assemblies include it is corresponding be mounted on each 6 top of square shaft divide belt wheel 10, all divides belt wheel 10
Between be equipped be driven be connected No.1 belt 11.
The rotational control assemblies further include the hanger 12 being packed on workbench 1, pass through bearing point on the hanger 12
Input shaft 13, output shaft 14 are not installed；The input shaft 13, output shaft 14 are respectively connected with drive pulley 15；Two transmission belts
No. two belts 16 that the two transmission is connected are equipped between wheel 15,14 lower part of output shaft is provided with will be on any one square shaft 6
The mating groove 14a of portion's vertical sliding installation.
Total drive component includes being mounted on workbench 1 by fixed form, bearing block connection type correspondence respectively
No. two motors 17, countershaft 18；No. two motors 17 are connected with partial gear 19；The partial gear 19 is engaged with respectively
Left gear 20, right gear 21 and middle gear 22；Right gear 21 is mounted on lead screw 8, and middle gear 22 is mounted on input shaft 13,
Left gear 20 is mounted on countershaft 18.
Deflecting belt wheel 23 is also equipped on the lead screw 8, on countershaft 18；It is equipped between two deflecting belt wheels 23 and passes the two
The dynamic rope band 24 for being connected and be in X cross-like.
Each 5 lower part of switch rack is mounted on cylinder 26, and each cylinder 26 is respectively connected with pressing plate 27.1 upper forepart of workbench
Stand 28 is installed, inductor 29 is installed in stand 28.
In the present invention, the cross section of each square shaft 6 is square.Square block 1a, drill bit 4 and inductor 29 are in front and back
It is corresponded on position.
In the use of the present invention, directly square tube as shown in FIG. 6 can be inserted on square block 1a in a manner of corresponding
Side.
Drive partial gears 19 to rotate clockwise by No. two motors 17 so that partial gear 19 successively with right gear
21, left gear 20 and middle gear 22 are engaged transmission, successively execute following four steps so as to recycle:
The first step, when 21 engaged transmission of partial gear 19 and right gear, lead screw 8 rotates counterclockwise, so that substrate 9,
Each square shaft 6 and switch rack 5 slide straight down, i.e., so that the top of each square tube is respectively positioned under corresponding switch rack 5
Portion middle position.
Second step, partial gear 19 dally, and during being somebody's turn to do, each cylinder 26 elapses pressing plate 27 to the left, so that pressure
The clamping to each square tube is realized in plate 27 and the cooperation of 5 side wall of switch rack.Further, drill bit 4 is driven by each No.1 motor 3
While rotation, hydraulic cylinder 25 elapses seat board 2 to rear side, and realization drills to each square tube front, hydraulic cylinder after drilling
25 will draw reset before seat board 2.
Third step causes silk by the incorgruous transmission of rope band 24 when 20 engaged transmission of partial gear 19 and left gear
Thick stick 8 rotates clockwise, so that substrate 9, each square shaft 6 and switch rack 5 slide straight up, and after driving clamping to drill
Square tube moves upwards jointly, so that the position in the hole that square tube has just been bored is promoted to and 29 position correspondence of inductor.
4th step, partial gear 19 dally, and inductor 29 detects just whether complete to drill, if not drilling, then leads to
It crosses No. two motors 17 of PLC control, No.1 motor 3 and hydraulic cylinder 25 to shut down, in order to manually check maintenance.
5th step passes through No. two belts 16 and No.1 belt when 22 engaged transmission of partial gear 19 and middle gear
11 transmission causes all square shaft 6 and switch rack 5 to be rotated by 90 °, and is able to drive all square tubes and is rotated by 90 °, real
Existing indexing, in order to which the next face to square tube carries out drilling processing after indexing.
Therefore, by successively executing above five step, can effectively realizing synchronous and carrying out four to a large amount of square tube automatically
Drilling processing on face, processing effect are as shown in Figure 7.In addition, being not necessarily to other side in second step when second of circulation step starts
Pipe is clamped.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (8)
1. being suitable for the drilling device of four side of square tube, including workbench (1), it is characterised in that: workbench (1) front, which is equipped with, bores
Hole driving assembly；Rear portion is placed with square block (1a) on workbench (1)；The conversion of U-shaped is equipped with above each square block (1a)
Frame (5), each switch rack (5) are respectively connected with square shaft (6)；The square shaft (6) is connected separately with elevating control component, rotation control
Component；The elevating control component, rotational control assemblies are respectively connected with total drive component.
2. the drilling device according to claim 1 suitable for four side of square tube, it is characterised in that: the drilling driving group
Part include respectively in a position-stable manner, slide back and forth the hydraulic cylinder (25) being slidably mounted on workbench (1), seat board (2), the seat
Arrangement is equipped with No.1 motor (3) in the horizontal direction on plate (2), and each No.1 motor (3) is respectively connected with drill bit (4).
3. the drilling device according to claim 1 suitable for four side of square tube, it is characterised in that: the elevating control group
Part includes leading truck (7), the lead screw (8) being mounted on respectively by fixed form, bearing block connection type on workbench (1)；Institute
It states screw thread on lead screw (8) and the substrate (9) cooperated with leading truck (7) vertical sliding is installed, each square shaft (6) passes through bearing and pacifies
On substrate (9).
4. the drilling device according to claim 3 suitable for four side of square tube, it is characterised in that: the rotation control group
Part includes corresponding to be mounted on dividing belt wheel (10) for each square shaft (6) top, and all dividing is equipped between belt wheel (10) to be driven
Connected No.1 belt (11).
5. the drilling device according to claim 4 suitable for four side of square tube, it is characterised in that: the rotation control group
Part further includes the hanger (12) being packed on workbench (1), is separately installed with input shaft by bearing on the hanger (12)
(13), output shaft (14)；The input shaft (13), output shaft (14) are respectively connected with drive pulley (15)；Two drive pulleys
(15) No. two belts (16) that the two transmission is connected are equipped between, output shaft (14) lower part is provided with any one square shaft
(6) mating groove (14a) that Upper vertical is slidably installed.
6. the drilling device according to claim 5 suitable for four side of square tube, it is characterised in that: total drive component packet
It includes respectively through fixed form, corresponding No. two motors (17), the countershafts being mounted on workbench (1) of bearing block connection type
(18)；No. two motors (17) are connected with partial gear (19)；The partial gear (19) is engaged with left gear respectively
(20), right gear (21) and middle gear (22)；Right gear (21) is mounted on lead screw (8), and middle gear (22) is mounted on input
On axis (13), left gear (20) is mounted on countershaft (18).
7. the drilling device according to claim 6 suitable for four side of square tube, it is characterised in that: on the lead screw (8),
Deflecting belt wheel (23) are also equipped on countershaft (18)；It is equipped between two deflecting belt wheels (23) and the two transmission is connected and is handed in X
Forked rope band (24).
8. the drilling device according to claim 1 suitable for four side of square tube, it is characterised in that: each switch rack (5)
Lower part is mounted on cylinder (26), and each cylinder (26) is respectively connected with pressing plate (27)；Workbench (1) upper forepart is equipped with stand
(28), inductor (29) are installed in stand (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833177.2A CN110508845B (en) | 2019-09-04 | 2019-09-04 | Drilling equipment suitable for four sides of square pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833177.2A CN110508845B (en) | 2019-09-04 | 2019-09-04 | Drilling equipment suitable for four sides of square pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110508845A true CN110508845A (en) | 2019-11-29 |
| CN110508845B CN110508845B (en) | 2020-11-13 |
Family
ID=68630922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910833177.2A Active CN110508845B (en) | 2019-09-04 | 2019-09-04 | Drilling equipment suitable for four sides of square pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110508845B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531634A (en) * | 2020-05-07 | 2020-08-14 | 张学付 | Plastic pipe fitting batch drilling machine and drilling processing technology |
| CN113580261A (en) * | 2021-09-29 | 2021-11-02 | 四川英创力电子科技股份有限公司 | Device and method for detecting missed drilling on circuit board with high precision |
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| JPH1190710A (en) * | 1997-09-18 | 1999-04-06 | Sobi Kogei:Kk | Pipe drilling device |
| CN201198039Y (en) * | 2008-05-26 | 2009-02-25 | 庄添财 | Square tube drilling machine |
| CN202106055U (en) * | 2011-04-27 | 2012-01-11 | 季俊南 | Numerical control drilling machine for chemical fiber filter element |
| CN104249173A (en) * | 2014-09-16 | 2014-12-31 | 芜湖市华益阀门制造有限公司 | Support for rotary radial drilling fixture for disc parts |
| CN108237246A (en) * | 2016-12-26 | 2018-07-03 | 天津市金涞精密机械有限公司 | A kind of wind power generating set support drill hole equipment |
| CN208050991U (en) * | 2018-01-15 | 2018-11-06 | 无锡职业技术学院 | A kind of automatically feed mechanical automation drilling equipment |
| CN108838448A (en) * | 2018-07-03 | 2018-11-20 | 芜湖市泰能电热器具有限公司 | A kind of square aluminium tube milling device |
| CN108907279A (en) * | 2018-07-12 | 2018-11-30 | 张程凯 | A kind of multiple rows of drilling equipment of rotary automobile pipe fitting multi-angle |
| CN109877620A (en) * | 2019-01-21 | 2019-06-14 | 浙江工业大学 | A kind of square pipe drilling grip device |
-
2019
- 2019-09-04 CN CN201910833177.2A patent/CN110508845B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1190710A (en) * | 1997-09-18 | 1999-04-06 | Sobi Kogei:Kk | Pipe drilling device |
| CN201198039Y (en) * | 2008-05-26 | 2009-02-25 | 庄添财 | Square tube drilling machine |
| CN202106055U (en) * | 2011-04-27 | 2012-01-11 | 季俊南 | Numerical control drilling machine for chemical fiber filter element |
| CN104249173A (en) * | 2014-09-16 | 2014-12-31 | 芜湖市华益阀门制造有限公司 | Support for rotary radial drilling fixture for disc parts |
| CN108237246A (en) * | 2016-12-26 | 2018-07-03 | 天津市金涞精密机械有限公司 | A kind of wind power generating set support drill hole equipment |
| CN208050991U (en) * | 2018-01-15 | 2018-11-06 | 无锡职业技术学院 | A kind of automatically feed mechanical automation drilling equipment |
| CN108838448A (en) * | 2018-07-03 | 2018-11-20 | 芜湖市泰能电热器具有限公司 | A kind of square aluminium tube milling device |
| CN108907279A (en) * | 2018-07-12 | 2018-11-30 | 张程凯 | A kind of multiple rows of drilling equipment of rotary automobile pipe fitting multi-angle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531634A (en) * | 2020-05-07 | 2020-08-14 | 张学付 | Plastic pipe fitting batch drilling machine and drilling processing technology |
| CN113580261A (en) * | 2021-09-29 | 2021-11-02 | 四川英创力电子科技股份有限公司 | Device and method for detecting missed drilling on circuit board with high precision |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110508845B (en) | 2020-11-13 |
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Effective date of registration: 20231228 Address after: 311507 No. 269, Sanlian East Road, Jiangnan Town, Tonglu County, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU ETONE PLASTIC INDUSTRY CO.,LTD. Address before: 241000, No. 119, Yong'an Road, Jiujiang Economic Development Zone, Wuhu City, Anhui Province Patentee before: WUHU HENGHAO MACHINERY MANUFACTURING Co.,Ltd. |