CN108927544A - A kind of drilling part machine - Google Patents
A kind of drilling part machine Download PDFInfo
- Publication number
- CN108927544A CN108927544A CN201810841053.4A CN201810841053A CN108927544A CN 108927544 A CN108927544 A CN 108927544A CN 201810841053 A CN201810841053 A CN 201810841053A CN 108927544 A CN108927544 A CN 108927544A
- Authority
- CN
- China
- Prior art keywords
- circuit
- sink
- support arm
- signal
- electrically connected
- 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 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000005192 partition Methods 0.000 claims abstract description 5
- 230000003447 ipsilateral effect Effects 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 abstract description 4
- 238000011010 flushing procedure Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The present invention provides a kind of drilling part machine, including work stage, chassis, the support arm on chassis, the vertical power head being fixedly mounted on vertically set on the hydraulic cylinder on support arm top, by mounting plate on hydraulic cylinder output shaft, and it is mounted on the drill bit on power head, it further include the sink that a level is set on chassis；The work stage is set in sink；Slide over side walls of the sink close to support arm side is connected with sliding block；The sink is separated into workspace and water proof area by partition, wherein the work stage is located in workspace；Motor is equipped in the water proof area, wherein being fixedly connected with turntable on the main shaft of the motor；The ipsilateral side of the turntable and sliding block is connected by connecting rod.The present invention can be rinsed part when drilling, to wash away the clast that drilling generates.
Description
Technical field
The present invention relates to drilling equipment technical fields, and in particular to a kind of drilling part machine.
Background technique
The machine of drilling machine, as part progress drilling processing；
Drilling machine in the prior art is usually the drill bit composition by hydraulic cylinder, power head, and on power head, by
Power head drives bit, and drives power head to push by hydraulic cylinder, completes boring work.
However find in actual use, it can be generated when drilling to part, on the position of drilling more broken
Bits, so staff needs a hand-held flushing pipe to be rinsed part punching areas, to rinse out the broken of drilling generation
Bits.However this mode needs staff manually to go to rinse, it is relatively elaborate.
Summary of the invention
In view of this, it is an object of the present invention to provide a kind of drilling part machines.
In order to solve the above-mentioned technical problem, the technical scheme is that
A kind of drilling part machine including work stage, chassis, the support arm on chassis, is set to support arm top vertically
Hydraulic cylinder, the power head that is fixedly mounted on vertically by mounting plate on hydraulic cylinder output shaft, and be mounted on power head
Drill bit further includes the sink that a level is set on chassis；The work stage is set in sink；The sink is close to support arm one
The slide over side walls of side is connected with sliding block；The sink is separated into workspace and water proof area by partition, wherein the work stage
In workspace；Motor is equipped in the water proof area, wherein being fixedly connected with turntable on the main shaft of the motor；The turntable
It is connect with the ipsilateral side of sliding block by connecting rod, wherein the both ends of the connecting rod are rotatably connected on turntable and sliding block respectively；Institute
The upper end for stating sliding block is fixedly connected with the fixed plate extended in horizontal direction sink；The elongated end of the fixed plate is equipped with inclination court
The nozzle sprayed water to work stage；It is also equipped with water pump on the lateral surface of the sink side, wherein the water outlet of the water pump is logical
The water inlet end for crossing bellows and nozzle connects.
Preferably, the sink offers a notch, fixed company in the notch on the side of support arm side
It is connected to horizontally disposed slide bar, the sliding block sliding is threaded through on slide bar.
Preferably, the mounting plate upper wall is also fixedly connected with the guide rod that two vertical activities run through support arm top；Institute
It states guide rod and is located in the rod segment on support arm top and horizontally disposed pressing plate is slidably connected by elastic parts, wherein the pressing plate
The trend moved downward is remained by the elastic parts；The top table wall of the support arm is located at the position immediately below pressing plate
It sets and is equipped with pressure sensor, wherein the pressure sensor is electrically connected with the control circuit being electrically connected with water pump, the control
Circuit is configured as controlling opening/closing for water pump when the output signal of pressure sensor.
Preferably, the control circuit includes:
Comparison circuit is electrically connected to pressure sensor, to carry out the output signal of pressure sensor and preset value
Compare, and comparison signal is exported according to comparison result；
Switching circuit has an electric-controlled switch being electrically connected on the current supply circuit of water pump, the switching circuit electricity
It is connected to comparison circuit, to control the on/off of electric-controlled switch according to the comparison signal of the output of comparison circuit.
The support arm offers the internal light trough for being equipped with LED lamp panel on the side wall of sink side；The wherein lamp
The transparent cover plate for covering light trough notch is equipped with by screw at the notch of slot.
Preferably, the LED lamp panel is electrically connected with automatic control circuit；The automatic control circuit includes:
Light detection circuit exports respective ray of light detection signal to detect the light intensity of external environment, and with this；
Human testing circuit, it is whether close to detect human body, and it is sequentially output corresponding human testing signal；
AND gate circuit, with input terminal one, input terminal and output end；Its input terminal one is electrically connected to light inspection
For slowdown monitoring circuit to receive light detection signal, input terminal two is electrically connected to human testing circuit human testing signal；Output end according to
The light detection signal and human testing signal export corresponding logical signal.
Driving circuit, input terminal are electrically connected to the output end of AND gate circuit to receive the logic of the output of AND gate circuit letter
Number；The output end of the driving circuit is electrically connected to the current supply circuit of LED lamp panel, to the logical signal control according to AND gate circuit
The on/off of the current supply circuit of LED lamp panel processed.
Compared with the prior art, the present invention has the advantages that
The present invention is by being arranged nozzle so as to be rinsed to workpiece in drilling, to rinse out drilling generation
Clast；And nozzle of the invention is to be arranged on sliding block by fixed plate, and sliding block is to be connected to turntable by connecting rod
On, so that sliding block can move reciprocatingly, and then nozzle is driven to move reciprocatingly, so when motor drives turntable rotation
With the flushing region of enlarged nozzle, to reach better flushing effect.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of sink；
Fig. 3 is the sectional view of elastic parts；
Fig. 4 is the circuit diagram of control circuit；
Fig. 5 is the sectional view that LED lamp panel goes out；
Fig. 6 is the circuit diagram of automatic control circuit.
Appended drawing reference: 1, work stage；2, chassis；3, support arm；301, light trough；302, cover board；4, hydraulic cylinder；5, it installs
Plate；6, power head；7, drill bit；8, sink；801, notch；802, slide bar；803, partition；804, filter screen；9, sliding block；10, electric
Machine；11, turntable；12, connecting rod；13, fixed plate；14, nozzle；15, water pump；16, bellows；17, guide rod；18, pressing plate；19, bullet
Property component；1901, connecting plate；1902, spring；20, pressure sensor；21, pyroelectric infrared sensor；22, LED lamp panel；
100, comparison circuit；200, switching circuit；300, human testing circuit；400, light detection circuit；500, AND gate circuit；600,
Driving circuit.
Specific embodiment
Below in conjunction with attached drawing, a specific embodiment of the invention is described in further detail, so that technical solution of the present invention is more
It should be readily appreciated that and grasp.
Embodiment 1:
Shown in referring to Fig.1, the present embodiment provides a kind of drilling part machine, including work stage 1, chassis 2, it is set on chassis 2
Support arm 3, the vertical hydraulic cylinder 4 set on 3 top of support arm, be fixedly mounted on 4 output shaft of hydraulic cylinder vertically by mounting plate 5
On power head 6, and the drill bit 7 being mounted on power head 6.Rotary head rotation is mainly wherein driven by power head 6, by hydraulic cylinder
4 drive power heads 6, which move up and down, completes boring work.
It as shown in connection with fig. 2, further include sink 8 of the level on chassis 2；Work stage 1 is set in sink 8；Sink 8
Slide over side walls close to 3 side of support arm is connected with sliding block 9；Sink 8 is separated into workspace and water proof area by partition 803,
Wherein work stage 1 is located in workspace.Wherein the slot bottom in workspace is equipped with the apopore with filter screen 804.
It is equipped with motor 10 in water proof area, is wherein fixedly connected with turntable 11 on the main shaft of motor 10；Turntable 11 and sliding block 9
Ipsilateral side is connected by connecting rod 12, and wherein the both ends of connecting rod 12 are rotatably connected on respectively on turntable 11 and sliding block 9；Sliding block 9
Upper end is fixedly connected with the fixed plate 13 extended in horizontal direction sink 8；The elongated end of fixed plate 13 is equipped with inclination towards workpiece
The nozzle 14 that platform 1 is sprayed water；It is also equipped with water pump 15 on the lateral surface of 8 side of sink, wherein the water outlet of water pump 15 passes through ripple
Pipe 16 is connect with the water inlet end of nozzle 14.
Sink 8 offers a water notch 801 on the side of 3 side of support arm, is fixedly connected in water notch 801
Horizontally disposed slide bar 802, the sliding of sliding block 9 are threaded through on slide bar 802.
When work, the water inlet end of water pump 15 is connected in pond first, workpiece is being installed in work stage 1, at this time
Water pump 15 and motor 10 are opened, and starts boring work；Motor 10 will drive the rotation of turntable 11 at this time, due to the both ends of connecting rod 12
It is rotatably connected on turntable 11 and sliding block 9, so can be done by connecting rod 12 with movable slider 9 while turntable 11 rotates
Straight reciprocating motion, since nozzle 14 is mounted on sliding block 9 by fixed plate 13, so nozzle 14 can also be done with sliding block 9
Straight reciprocating motion, so can be so that the reciprocal flushing workpiece of nozzle 14, will be filled, clast on workpiece by the clast that perforation generates
It can flow into flushing water in sink 8 (in workspace), finally be flowed out by the apopore in sink 8.
As shown in connection with fig. 3,5 upper wall of mounting plate is also fixedly connected with the guide rod that two vertical activities run through 3 top of support arm
17；Guide rod 17, which is located in the rod segment on 3 top of support arm, slidably connects horizontally disposed pressing plate 18 by elastic parts 19, wherein
Pressing plate 18 remains the trend moved downward by elastic parts 19；The top table wall of support arm 3 is located at immediately below pressing plate 18
Position be equipped with pressure sensor 20, wherein pressure sensor 20 is electrically connected with control circuit be electrically connected with water pump 15, control
Circuit processed is configured as controlling opening/closing for water pump 15 when the output signal of pressure sensor 20.
Elastic parts 19 therein includes that level is fixedly connected on the connecting plate 1901 of 17 upper end of guide rod and is sheathed on guide rod
Spring 1902 on 17, wherein the both ends of spring 1902 are inconsistent with connecting plate 1901 and pressing plate 18 respectively.
As shown in connection with fig. 4, control circuit includes:
Comparison circuit 100, by being electrically connected to pressure sensor 20, to by the output signal of pressure sensor 20 with
Preset value is compared, and exports comparison signal according to comparison result；
Specifically, comparison circuit 100 includes first voltage comparator LM1, second resistance R2 and potentiometer Rp；First
The non-inverting input terminal of voltage comparator LM1 is coupled to pressure sensor 20 by first resistor R1；Second resistance R2 and potentiometer
Rp series connection, the other end of second resistance R2 are coupled to VCC voltage, the other end ground connection of potentiometer Rp；Second resistance R2 and current potential
The tie point of device Rp is coupled to the inverting input terminal of first pressure sensor 20, the so company in second resistance R2 and potentiometer Rp
Contact will input the reference signal Vref1 for representing preset value to the reverse input end of voltage comparator；
Switching circuit 200 has an electric-controlled switch being electrically connected on the current supply circuit of water pump 15, switching circuit
200 are electrically connected to comparison circuit 100, to control the on/off of electric-controlled switch according to the comparison signal of the output of comparison circuit 100.
Specifically, switching circuit 200 include 3rd resistor R3 and the first NPN triode Q1 (as electric-controlled switch), first
The base stage of NPN triode Q1 is coupled to the output end of first voltage comparator LM1, collector and water pump 15 by 3rd resistor R3
VCC voltage, emitter ground connection are coupled to after series connection.
By above-mentioned setting it is found that under natural conditions, guide rod 17 is in initial position, and spring 1902 is under the effect of its elastic force
Pressing plate 18 can be pressed in pressure sensor 20, pressure sensor 20 can input a pressure to first voltage comparator LM1 at this time
Signal, and pressure signal at this time is less than reference signal Vref1 (its that the tie point of second resistance R2 and potentiometer Rp generates
The size of middle Vref1 can be adjusted by adjusting potentiometer Rp), the output end of first voltage comparator LM1 can be at this time
First NPN triode Q1 exports low level, and the first NPN triode Q1 is ended at this time, and water pump 15 can not work once electrified, i.e. water pump 15
In stop working state.
When drilling, when hydraulic cylinder 4 drives power head 6 to push drilling by mounting plate 5, mounting plate 5 will drive guide rod 17
It gradually moves downward, such spring 1902 is constantly compressed, to be gradually increased to the elastic force of pressing plate 18, such pressure sensor
The pressure signal of 20 outputs can be also gradually increased, until when the pressure signal that pressure sensor 20 exports is greater than Vref1, the first electricity
High level can be exported to the first NPN triode Q1 by pressing the output end of comparator LM1, and the first NPN triode Q1 is connected at this time, in turn
15 work once electrified of water pump begins through bellows 16 and is rinsed to the water supply of nozzle 14.
After drilling, control hydraulic cylinder 4 resets, and similarly, water pump 15 can be powered off and be stopped working at this time.
Embodiment 2:
On the basis of embodiment 1, for more convenient carry out boring work, embodiment 2 is provided herein:
As shown in connection with fig. 5, support arm 3 offers the internal light trough for being equipped with LED lamp panel 22 on the side wall of 8 side of sink
301；The transparent cover plate 302 for covering 301 notch of light trough is wherein equipped with by screw at the notch of light trough 301.Setting
The purpose of LED lamp panel 22 is to be illuminated in drilling.
As shown in connection with fig. 6, LED lamp panel 22 is electrically connected with automatic control circuit；Automatic control circuit includes:
Light detection circuit 400 exports respective ray of light detection letter to detect the light intensity of external environment, and with this
Number.
Specifically, light detection circuit 400 includes the 5th resistance R5, the 6th resistance R6, photo resistance RG, second voltage ratio
Compared with device LM2, the 7th resistance R7 and the 8th resistance R8:
5th resistance R5 connects with photo resistance RG, and the tie point of the 5th resistance R5 and photo resistance RG pass through the 6th resistance
R6 is coupled to the non-inverting input terminal of second voltage comparator LM2；The other end of 5th resistance R5 is coupled to VCC voltage, photosensitive electricity
Hinder the other end ground connection of RG；So a photosensor signal can be generated in the tie point of the 5th resistance R5 and photo resistance RG；
The tie point of 7th resistance R7 and the 8th resistance R8 series connection, the 7th resistance R7 and the 8th resistance R8 are coupled to
The inverting input terminal of second voltage comparator LM2；The other end of 7th resistance R7 is coupled to VCC voltage, and the 8th resistance R8's is another
One end ground connection；The tie point of 7th resistance R7 and the 8th resistance R8 can generate a contrast signal Vref2；
From the foregoing, it will be observed that photosensor signal can be greater than Vref2, and then in second voltage comparator LM2 when light is more dim
Output end can export high level signal V2；
Human testing circuit 300, it is whether close to detect human body, and it is sequentially output corresponding human testing signal；?
Pyroelectric infrared sensor 21 can be used in human testing circuit 300 in the present embodiment, and is disposed at the front end of chassis 2.When
When someone is close to pyroelectric infrared sensor 21, human testing circuit 300 can export high level signal V1；
AND gate circuit 500, with input terminal one, input terminal and output end；Its input terminal one and it is coupled to human body
The output end of detection circuit 300；Input terminal two is coupled to the output end of second voltage comparator LM2；So only work as V2 and V1
When being simultaneously high level signal, the output end of AND gate circuit 500 can just export high level signal.
Driving circuit 600, input terminal are electrically connected to the output end of AND gate circuit 500 to receive the defeated of AND gate circuit 500
Logical signal out；The output end of driving circuit 600 is electrically connected to the current supply circuit of LED lamp panel 22, to according to AND gate circuit
The on/off of the current supply circuit of 500 logical signal control LED lamp panel 22.
Specifically, driving circuit 600 includes: the second NPN triode Q2 and relay K1；The base of second NPN triode Q2
Pole is coupled to the output end of AND gate circuit 500, and collector is coupled to VCC voltage, emitter after connecting with the coil of relay K1
Ground connection；Wherein the normally opened contact K1-1 of relay K1 is connected on the current supply circuit of LED lamp panel 22.When AND gate circuit 500 exports
When high level signal, the second NPN triode Q2 conducting, relay coil obtains electric, the normally opened contact K1-1 closure of relay, LED
The current supply circuit of lamp plate 22 is connected, and such LED lamp panel 22 is powered on luminous.
In this way, only when rather dark, but someone close to when, LED lamp panel 22 just understands electrified light emitting, and the two lacks one, LED light
Plate 22 will not all work.
It is above representative instance of the invention, in addition to this, the present invention can also have other a variety of specific embodiments,
All technical solutions formed using equivalent substitution or equivalent transformation, are all fallen within the scope of protection of present invention.
Claims (6)
1. a kind of drilling part machine including work stage, chassis, the support arm on chassis, is set to support arm top vertically
Hydraulic cylinder, the power head being fixedly mounted on vertically by mounting plate on hydraulic cylinder output shaft, and the brill being mounted on power head
Head further includes the sink that a level is set on chassis；The work stage is set in sink；The sink is close to support arm side
Slide over side walls be connected with sliding block；The sink is separated into workspace and water proof area by partition, wherein the work stage position
In in workspace；Motor is equipped in the water proof area, wherein being fixedly connected with turntable on the main shaft of the motor；The turntable with
The ipsilateral side of sliding block is connected by connecting rod, wherein the both ends of the connecting rod are rotatably connected on turntable and sliding block respectively；It is described
The upper end of sliding block is fixedly connected with the fixed plate extended in horizontal direction sink；The elongated end of the fixed plate is equipped with inclination direction
The nozzle of work stage water spray；It is also equipped with water pump on the lateral surface of the sink side, wherein the water outlet of the water pump passes through
The connection of the water inlet end of bellows and nozzle.
2. a kind of drilling part machine according to claim 1, it is characterised in that: side of the sink close to support arm side
A notch is offered on side, horizontally disposed slide bar is fixedly connected in the notch, and the sliding block sliding is threaded through slide bar
On.
3. a kind of drilling part machine according to claim 1, it is characterised in that: the mounting plate upper wall is also fixedly connected with
Two vertical activities run through the guide rod on support arm top；The guide rod is located in the rod segment on support arm top sliding by elastic parts
It is dynamic to be connected with horizontally disposed pressing plate, wherein the pressing plate remains the trend moved downward by the elastic parts；Institute
The top table wall for stating support arm is located at pressing plate following location directly equipped with pressure sensor, wherein the pressure sensor is electrically connected
It is connected to the control circuit being electrically connected with water pump, the control circuit is configured as the output signal control water pump when pressure sensor
Open/close.
4. a kind of drilling part machine according to claim 3, it is characterised in that: the control circuit includes:
Comparison circuit is electrically connected to pressure sensor, the output signal of pressure sensor to be compared with preset value,
And comparison signal is exported according to comparison result；
Switching circuit has an electric-controlled switch being electrically connected on the current supply circuit of water pump, the switching circuit electrical connection
In comparison circuit, to control the on/off of electric-controlled switch according to the comparison signal of the output of comparison circuit.
5. a kind of drilling part machine according to claim 1-4, it is characterised in that: the support arm is close to sink
The internal light trough for being equipped with LED lamp panel is offered on the side wall of side；Wherein one is equipped with by screw at the notch of the light trough
A transparent cover plate for covering light trough notch.
6. a kind of drilling part machine according to claim 5, it is characterised in that: the LED lamp panel is electrically connected with automatic control electricity
Road；The automatic control circuit includes:
Light detection circuit exports respective ray of light detection signal to detect the light intensity of external environment, and with this；
Human testing circuit, it is whether close to detect human body, and it is sequentially output corresponding human testing signal；
AND gate circuit, with input terminal one, input terminal and output end；Its input terminal one is electrically connected to light detection electricity
To receive light detection signal, input terminal two is electrically connected to human testing circuit human testing signal on road；Output end is according to
Light detects signal and human testing signal exports corresponding logical signal.
Driving circuit, input terminal are electrically connected to the output end of AND gate circuit to receive the logical signal of the output of AND gate circuit；
The output end of the driving circuit is electrically connected to the current supply circuit of LED lamp panel, to be controlled according to the logical signal of AND gate circuit
The on/off of the current supply circuit of LED lamp panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810841053.4A CN108927544B (en) | 2018-07-27 | 2018-07-27 | Part drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810841053.4A CN108927544B (en) | 2018-07-27 | 2018-07-27 | Part drilling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108927544A true CN108927544A (en) | 2018-12-04 |
| CN108927544B CN108927544B (en) | 2020-04-10 |
Family
ID=64444873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810841053.4A Active CN108927544B (en) | 2018-07-27 | 2018-07-27 | Part drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108927544B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110238916A (en) * | 2019-06-14 | 2019-09-17 | 安徽以诺木塑板材科技有限公司 | Drilling equipment is used in a kind of processing of floor |
| CN110370089A (en) * | 2019-06-18 | 2019-10-25 | 河池学院 | A kind of fractured connecting rod production line of multistation |
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| KR20100133250A (en) * | 2009-06-11 | 2010-12-21 | 이상분 | Vertical processing apparatus of combine drilling-tapping |
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| CN110370089A (en) * | 2019-06-18 | 2019-10-25 | 河池学院 | A kind of fractured connecting rod production line of multistation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108927544B (en) | 2020-04-10 |
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