CN106862687A - Silk drive mechanism of linear cutting machine - Google Patents
Silk drive mechanism of linear cutting machine Download PDFInfo
- Publication number
- CN106862687A CN106862687A CN201710194051.6A CN201710194051A CN106862687A CN 106862687 A CN106862687 A CN 106862687A CN 201710194051 A CN201710194051 A CN 201710194051A CN 106862687 A CN106862687 A CN 106862687A
- Authority
- CN
- China
- Prior art keywords
- crank
- drive mechanism
- escapement
- storage tube
- wire storage
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
- B23H7/08—Wire electrodes
- B23H7/10—Supporting, winding or electrical connection of wire-electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/26—Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Transmission Devices (AREA)
Abstract
A kind of silk drive mechanism of linear cutting machine, it is related to a kind of servicing unit of wire cutting machine tool, including motor, wire storage tube, crank and rocker mechanism, rack and pinion drive mechanism, the output shaft of motor is connected with the crank end of crank and rocker mechanism, and the main rod end of crank and rocker mechanism is connected by described rack and pinion drive mechanism with the power transmission shaft of wire storage tube.Crank and rocker mechanism includes crank, connecting rod, escapement, one end of crank is fixed on the output shaft of motor by crank retainingf key, the other end of crank is connected by hinge with one end of connecting rod, and the other end of connecting rod is connected by fastener with escapement, and escapement is arranged on balancing arbor；Escapement is also connected by rack and pinion drive mechanism with the power transmission shaft of wire storage tube.The present invention realizes the rotating of wire storage tube by Motor Control crank and rocker mechanism, it is to avoid the frequent rotating of motor in the prior art, with energy consumption is low, long service life, low maintenance cost, simple structure, easily manufactured, it is easy to promote the use of.
Description
Technical field
The present invention relates to a kind of servicing unit of wire cutting machine tool, particularly a kind of silk drive mechanism of linear cutting machine.
Background technology
The wire electrode of wire cutting wire feeder is molybdenum filament in the market, and elongated molybdenum filament stores silk on wire storage tube
Cylinder is connected by yielding coupling with motor, and the axle of motor reel and wire storage tube is motor in the same horizontal line
Make rotating rotary motion, and the rotating of motor is mainly and the left and right stroke collision block pulled is slipped by wire is controlled, electricity
Machine drives wire storage tube that reciprocating motion is circulated between left and right stroke collision block, and this structure has following problem：
1. because rotating wire is realized by rotating forward --- stopping --- reversion of motor, and ac motor exists
From stopping to starting moment, its full-voltage starting electric current is 5~7 times of rated current, and energy consumption is increased.The motor larger for capacity
Power network will be impacted during starting, destroyed with the normal operation of power network miscellaneous equipment.In addition, the stator coil to motor in itself
With produce very big impulsive force on rotor cage bar, reduce electrical machinery life.
2. starting torque during motor direct full pressure start-up is about 2 times of nominal torque, for guide rail, gear, leading screw
It is big Deng drive disk assembly impact, accelerate abrasion, and also motor speed rises quickly when starting, and lubricating oil tends not to be in time,
Influence the service life of drive disk assembly.
3. control motor forward/backward rotation circuit is constantly powered and powers off, its control electric components such as contactor, stroke
The continual do actions such as switch, protection electrical equipment, the contact of relay easily produces electric arc, or even can be melted together generation mistake
Operation, increased care cost.
4. due to be between motor and wire storage tube with shaft coupling connect, motor it is frequent positive and negative in the twinkling of an eye, shaft coupling
By very big shearing force, its transmitting accuracy is have impact on, substantially reduce the service life of shaft coupling.
The content of the invention
The technical problem to be solved in the present invention is：There is provided a kind of low energy consumption, long service life, maintenance cost low wire cutting
Lathe wire feeder.
Solving the technical scheme of above-mentioned technical problem is：A kind of silk drive mechanism of linear cutting machine, including motor, storage silk
Cylinder, also includes crank and rocker mechanism, rack and pinion drive mechanism, the output shaft of motor and the crank end of crank and rocker mechanism
Connection, the main rod end of crank and rocker mechanism is connected by described rack and pinion drive mechanism with the power transmission shaft of wire storage tube.
Further technical scheme of the invention is：Described crank and rocker mechanism includes crank, connecting rod, escapement, crank
One end is fixed on the output shaft of motor by crank retainingf key, and the other end of crank is connected by hinge with one end of connecting rod
Connect, the other end of connecting rod is connected by fastener with escapement, escapement is arranged on balancing arbor；Escapement also passes through rack pinion
Mechanism is connected with the power transmission shaft of wire storage tube.
Further technical scheme of the invention is：Described rack and pinion drive mechanism includes sector rack, wire storage tube
Travelling gear, sector rack is arranged on the circumference of escapement, and wire storage tube travelling gear is arranged on the power transmission shaft of wire storage tube, fan-shaped
Tooth bar is intermeshed with wire storage tube travelling gear.
Further technical scheme of the invention is：The circumferential edges of described escapement are provided with a gathering sill, described
Sector rack be socketed in the gathering sill, and the two ends of sector rack are separately installed with a block.
Further technical scheme of the invention is：Block distance between the end of sector rack is more than 0.
Further technical scheme of the invention is：Escapement is also radially provided with a tune between its wheel rim and balancing arbor
Section groove, the other end of described connecting rod is fixed on the regulating tank by fastener.
Due to using said structure, the silk drive mechanism of linear cutting machine of the present invention compared with prior art, to have with following
Beneficial effect：
1. energy consumption is low
Due to the present invention include motor, wire storage tube, crank and rocker mechanism, rack and pinion drive mechanism, wherein, motor it is defeated
Shaft is connected with the crank end of crank and rocker mechanism, and the main rod end of crank and rocker mechanism is by described rack and pinion drive mechanism
It is connected with the power transmission shaft of wire storage tube.In work, motor normal rotation, by crank and rocker mechanism, rack and pinion drive mechanism
The rotating of wire storage tube is capable of achieving, so as to realize the wire of wire storage tube, it is not necessary to which motor is frequently positive and negative in the prior art
Turn, and the size of electric current is 5~7 times of rated current during full-voltage starting, so to greatly reduce than prior art in energy consumption.
2. long service life：
Because the present invention is in the case of motor normal rotation, to be by crank and rocker mechanism, rack and pinion drive mechanism
It is capable of achieving the rotating of wire storage tube, you can realize the normal wire of wire storage tube, it is not necessary to which motor is being frequently just in the prior art
Reversion, its transmitting accuracy is high, and load is steady, and mechanical shock during without rotating can extend the service life of all parts.
3. maintenance cost is low：
Because the present invention is without motor frequently rotating, the service life of all parts is extended, reduce maintenance cost.
4. simple structure, easily manufactured：
The present invention realizes the rotating of wire storage tube by one crank and rocker mechanism of Motor Control, instead of of the prior art logical
The positive and negative rotating to realize controlling wire storage tube of motor is crossed, without the appliance component in electrical control during rotating, knot
Structure is simple, easily manufactured, it is easy to promote the use of.
Below, the technical characteristic in conjunction with the accompanying drawings and embodiments to the silk drive mechanism of linear cutting machine of the present invention makees further
Explanation.
Brief description of the drawings
Fig. 1：One of structural representation of silk drive mechanism of linear cutting machine of the present invention described in embodiment one（Use state
One）,
Fig. 2：The two of the structural representation of the silk drive mechanism of linear cutting machine of the present invention described in embodiment one（Use state two）,
In above-mentioned accompanying drawing, each description of reference numerals is as follows：
1- motor,
The output shaft of 11- motor,
2- crank and rocker mechanisms,
21- crank retainingf keys, 22- cranks, 23- hinges, 24- connecting rods, 25- fasteners,
26- escapements, 261- balancing arbors, 262- gathering sills, 263- regulating tanks,
3- rack and pinion drive mechanisms,
31- sector racks, 32- wire storage tube travelling gears, 33- blocks,
4- wire storage tubes,
The power transmission shaft of 41- wire storage tubes.
Specific embodiment
Embodiment one：
A kind of silk drive mechanism of linear cutting machine, including motor 1, wire storage tube 4, also include crank and rocker mechanism 2, rack-and-pinion
Transmission mechanism 3, the output shaft 11 of motor is connected with the crank end of crank and rocker mechanism 2, and the main rod end of crank and rocker mechanism 2 leads to
Described rack and pinion drive mechanism 3 is crossed to be connected with the power transmission shaft 41 of wire storage tube.
Described crank and rocker mechanism 2 includes crank 22, connecting rod 24, escapement 26, and one end of crank 22 is fixed by crank
Key 21 is fixed on the output shaft 11 of motor, to realize the function of crank；The other end of crank 22 passes through hinge 23 and connecting rod
24 one end connection, to realize rotating secondary function；The other end of connecting rod 24 passes through fastener 25 --- clamp nut and escapement
26 connections, escapement 26 is arranged on balancing arbor 261, realizes the function of rocking bar, i.e., positive and negative rotating function.Escapement 26 also passes through gear teeth
Strip transmission mechanism 3 is connected with the power transmission shaft 41 of wire storage tube.
Described rack and pinion drive mechanism 3 includes sector rack 31, wire storage tube travelling gear 32, and sector rack 31 is installed
On the circumference of escapement 26, wire storage tube travelling gear 32 is arranged on the power transmission shaft 41 of wire storage tube, sector rack 31 and wire storage tube
Travelling gear 32 is intermeshed.
In order that wire storage tube travelling gear 32 drives wire storage tube 4 to realize rotating, on the circumferential edges of described escapement 26
A gathering sill 262 is provided with, described sector rack 31 is socketed in the gathering sill 262, and sector rack 31 can be in gathering sill
In 262 slidably, and at the two ends of sector rack 31 block 33 is separately installed with, so as to fixed sectors tooth bar, pendulum
The swinging of the wheel engagement of the sector rack 31 wire storage tube travelling gear 32 that can just drive carries out rotating.
In order that forward and backward switching instant has a process for buffering, the distance between two blocks can be pulled open, that is, kept off
Distance is more than 0 between end of the block 33 away from sector rack 31.Because wire storage tube 4 is wound with molybdenum filament, its resistance is than sector rack
31 is big in the resistance of the slip of gathering sill 262, so when escapement 26 swings to the right, sector rack 31 is by wire storage tube travelling gear 32
Block motionless, when escapement 26 continues to swing to the right, the block 33 positioned at the left side withstands the left side of sector rack 31 and drives fan
Shape tooth bar 31 is turned right, and the at this moment ability of sector rack 31 and the engagement of wire storage tube travelling gear 32 is rotated forward.So in this mistake
Due to leaving a certain distance between block 33 and sector rack 31 in journey, buffering is played a part of in the twinkling of an eye positive and negative, similarly,
Similarly there is buffering when escapement 26 swings realization reversion to the left.
Escapement 26 is radially provided with a regulating tank 263 also between its wheel rim and balancing arbor 261, described connecting rod 24
The other end is by fastener 25 --- and clamp nut is fixed on the regulating tank 263.The amplitude of fluctuation of escapement 26 can be by changing
Become fixed position of the connecting rod 24 in regulating tank 263 to realize, when the amplitude for needing escapement 26 to swing is smaller, one end of connecting rod 24
Can be fixed toward the edge near escapement 26 by fastener 25；When the amplitude for needing escapement 26 to swing is larger, the one of connecting rod 24
End can be lived fix by fastener 25 toward near balancing arbor 261.
Wire storage tube 4 can just be controlled by the size for changing wire storage tube travelling gear 32 and the length for changing sector rack 31
The number of turns of forward and backward.
Action process of the invention is：
Motor 1 is positive and negative always after starting or is reversed rotation, and escapement 26 or so is controlled ceaselessly by crank and rocker mechanism
Swing, make sector rack 31 drive wire storage tube travelling gear 32 to realize rotating, reach the effect of the control rotating of wire storage tube 4.
Claims (6)
1. a kind of silk drive mechanism of linear cutting machine, including motor（1）, wire storage tube（4）, it is characterised in that：Also include crank
Endplay device（2）, rack and pinion drive mechanism（3）, the output shaft of motor（11）With crank and rocker mechanism（2）Crank end connect
Connect, crank and rocker mechanism（2）Main rod end by described rack and pinion drive mechanism（3）With the power transmission shaft of wire storage tube（41）Even
Connect.
2. silk drive mechanism of linear cutting machine according to claim 1, it is characterised in that：Described crank and rocker mechanism（2）
Including crank（22）, connecting rod（24）, escapement（26）, crank（22）One end pass through crank retainingf key（21）It is fixed on motor
Output shaft（11）On, crank（22）The other end pass through hinge（23）With connecting rod（24）One end connection, connecting rod（24）It is another
End passes through fastener（25）With escapement（26）Connection, escapement（26）Installed in balancing arbor（261）On；Escapement（26）Also pass through gear
Rack gear（3）With the power transmission shaft of wire storage tube（41）Connection.
3. silk drive mechanism of linear cutting machine according to claim 2, it is characterised in that：Described rack and pinion drive mechanism
（3）Including sector rack（31）, wire storage tube travelling gear（32）, sector rack（31）Installed in escapement（26）Circumference on, storage
Silk cylinder travelling gear（32）Installed in the power transmission shaft of wire storage tube（41）On, sector rack（31）With wire storage tube travelling gear（32）Phase
Mutually engagement.
4. silk drive mechanism of linear cutting machine according to claim 3, it is characterised in that：Described escapement（26）Circumferential edge
Edge is provided with a gathering sill（262）, described sector rack（31）It is socketed in the gathering sill（262）In, and sector rack
（31）Two ends be separately installed with a block（33）.
5. silk drive mechanism of linear cutting machine according to claim 4, it is characterised in that：Block（33）Away from sector rack（31）
End between distance be more than 0.
6. the silk drive mechanism of linear cutting machine according to claim 2 to 5 any claim, it is characterised in that：Escapement
（26）Also in its wheel rim and balancing arbor（261）Between be radially provided with a regulating tank（263）, described connecting rod（24）It is another
End passes through fastener（25）It is fixed on the regulating tank（263）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194051.6A CN106862687B (en) | 2017-03-28 | 2017-03-28 | Silk drive mechanism of linear cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194051.6A CN106862687B (en) | 2017-03-28 | 2017-03-28 | Silk drive mechanism of linear cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106862687A true CN106862687A (en) | 2017-06-20 |
| CN106862687B CN106862687B (en) | 2018-11-02 |
Family
ID=59160153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710194051.6A Expired - Fee Related CN106862687B (en) | 2017-03-28 | 2017-03-28 | Silk drive mechanism of linear cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106862687B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658140A (en) * | 2020-06-16 | 2020-09-15 | 丽水市金贝聚医疗器械有限公司 | Pneumatic flexible mechanical arm for medical treatment |
| CN111746830A (en) * | 2020-06-16 | 2020-10-09 | 吴辉 | Automatic meal device of beating in dining room |
| CN111928612A (en) * | 2020-08-19 | 2020-11-13 | 吴承礼 | Intermittent regular baking turnover workbench |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658140A (en) * | 2020-06-16 | 2020-09-15 | 丽水市金贝聚医疗器械有限公司 | Pneumatic flexible mechanical arm for medical treatment |
| CN111746830A (en) * | 2020-06-16 | 2020-10-09 | 吴辉 | Automatic meal device of beating in dining room |
| CN111746830B (en) * | 2020-06-16 | 2021-10-29 | 淮北特致信息科技有限公司 | Automatic meal device of beating in dining room |
| CN111928612A (en) * | 2020-08-19 | 2020-11-13 | 吴承礼 | Intermittent regular baking turnover workbench |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106862687B (en) | 2018-11-02 |
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Granted publication date: 20181102 Termination date: 20200328 |