CN105798200B - A kind of close flying shear high speed parting machine of numerical control high-precision - Google Patents
A kind of close flying shear high speed parting machine of numerical control high-precision Download PDFInfo
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- CN105798200B CN105798200B CN201410844421.2A CN201410844421A CN105798200B CN 105798200 B CN105798200 B CN 105798200B CN 201410844421 A CN201410844421 A CN 201410844421A CN 105798200 B CN105798200 B CN 105798200B
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Abstract
Equipped with test the speed part and gear-box in a kind of close flying shear high speed parting machine of numerical control high-precision, including frame, the part that tests the speed, servomotor, gear-box, cutter disc, cutting knife, frame；Servo motor shaft is connected with gear-box, and gear-box connects two cutter discs, and gear-box can be such that two cutting knifes are rotated with speed opposite direction；Cutter disc be provided with cutting knife, the location matches of two cutting knifes, when cutter disc is rotated at the same speed, cutting knife two simultaneously reach cutting metal wire rod.Beneficial effects of the present invention are：Realize single equipment and do not do machinery adjustment, the metal wire rod of random length can be cut out within the specific limits, the machinery adjustment of equipment at work is reduced, and improve the versatility that operating efficiency adds equipment, a tractor serves several purposes is realized, user's production cost is reduced.Control system realizes Digital Control, and control accuracy is high, simple to operate, realizes automated production.Length accuracy improves a lot, and lifts product qualification rate, reduces the waste of material.
Description
Technical field
The present invention relates to the shearing equipment of metal wire rod.
Background technology
The filament cutter of present metal wire rod, is that a cutter disc, two cutting knifes are respectively provided with the both sides up and down of metal wire rod
Disk is laid with two cutting knifes.Two cutter discs are driven to rotate backward at the same speed with motor, the cutting knife cutting edge of two cutter discs is simultaneously
Contacting metal wire rod, completes shearing.During shearing, the linear velocity one that the tangential linear velocity of cutting knife cutting edge of cutter disc must be with wire feed
Cause.If cutting knife speed is faster than wire feed, tractive force can be produced to metal wire rod, slow-footed words can then be produced to metal wire rod
Raw extruding force, both of these case can cause metal wire rod pull or squeeze wound and chopping length accuracy declines, cutting blade abrasion adds
It hurry up.So wire feeder wire feed rate and the rotating speed of filament cutter cutter disc are that constant speed compares relation.Chopping length is straight by cutterhead
Footpath is controlled, and a kind of length specification can only use the cutter disc gear housing component of corresponding cutter diameter, and product length specification is changed
Bother very much.
Thread delivering roller rotating speed and cutter disc rotating speed in present metal wire rod filament cutter wire feeder are fixed machine drivings
The distance between than mode, when thread delivering roller skids, chopping length accuracy can not ensure at all, and thread delivering roller and cutter disc
It is far, the conventional toothed belt transmission in centre, due to the error of machine driven system, chopping length accuracy compares relatively low, 500mm length
Spend precision general in ± 1.5mm.
The content of the invention
Chopping length can be set based on digital motion control system it is an object of the invention to provide one kind and length is high-precision
The filament cutter of degree, is entered by digital motion control module to the position and speed data signal that each high-precision encoder is detected
Row processing, control servomotor band movable knife disc gear housing component, when not changing the diameter of cutter disc, within the specific limits may be used
The length of metal wire rod is cut off with any setting, and greatly improves the length accuracy of chopping.
Technical scheme is specially：
A kind of close flying shear high speed parting machine of numerical control high-precision, including frame, the part that tests the speed, servomotor, gear-box, cutting knife
Equipped with test the speed part and gear-box in disk, cutting knife, frame；Servo motor shaft is connected with gear-box, and gear-box connects two cutting knifes
Disk, gear-box can be such that two cutting knifes are rotated with speed opposite direction；Cutter disc be provided with cutting knife, the location matches of two cutting knifes,
When cutter disc is rotated at the same speed, cutting knife two reaches the metal wire rod of cutting simultaneously.
Wire leading pipe is housed, metal wire rod is passed through from wire leading pipe on the gear-box, wire leading pipe makes metal wire rod be directed at cutting knife
Cutting edge center.
The part that tests the speed includes two rollers of the symmetric position above and below metal wire rod, wherein a roller is pressure
Silk wheel, another wheel is fifth wheel；Fifth wheel is fixed on bearing block by bearing, and bearing block is fixed in mounting seat, and connection is surveyed
Encoder is connected on the fifth wheel the tip of the axis of speed wheel, encoder electrically connects digital motion control system；Thread pressing wheel is by turning
Axle is fixed on connection swing arm jackshaft in the middle of swing arm one end, swing arm, and swing arm jackshaft is fixed in mounting seat, forms the branch of swing arm
Point, swing arm other end connects the piston rod of cylinder, and cylinder is fixed in mounting seat.
The part that tests the speed is electrically connected by encoder with digital motion control system；Servomotor passes through Serve Motor Control
Device is electrically connected with digital motion control system；Cutter disc shearing work origin position passes through proximity switch and digital motion control
System processed is electrically connected.
The machine includes digital motion control system, and the digital motion control system includes HMI system, controls mould
Block, servo controller, encoder, proximity switch；Sheared length parameter I is inputted by HMI system, metal wire rod is by the portion that tests the speed
During the fifth wheel of part, the encoder on fifth wheel can measure the speed parameter II that metal wire rod passes through, and it is by the data of measurement
By pulse signal to control module, proximity switch measures the shearing work original position signal parameter III of cutting knife from cutter disc,
The rotary speed parameter IV of motor is measured from servomotor controller, control module is counted according to parameter I, parameter II, parameter III, parameter IV
The parameter V of motor needs is calculated, then exports parameter V to servomotor controller, servomotor controller controlled motor
Shear zone and non-shear area rotary speed, the position of cutting knife feeds back to control module by servomotor controller, controls mould
Block adjusts servomotor speed preset parameter V by PID.
Beneficial effects of the present invention are：
Realize single equipment and do not do machinery adjustment, the metal wire rod of random length can be cut out within the specific limits,
The machinery adjustment of equipment at work is reduced, operating efficiency is improved
The versatility of equipment is added, a tractor serves several purposes is realized, user's production cost is reduced.
The covert production management cost for shortening the manufacturing of enhancing of functions of the equipments, manufacturing cost, production cycle etc..Carry
The high production efficiency for manufacturing enterprise
Control system realizes Digital Control, and control accuracy is high, simple to operate, realizes automated production.
Length accuracy improves a lot, and lifts product qualification rate, reduces the waste of material.
Because sheared length precision is very high, finished product is produced directly special with regard to some requirements can be applied to without outer processing
Not high industry, reduces user's production cost and improves production efficiency.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is the schematic top plan view of the present invention.
Fig. 3 is the schematic diagram of part of testing the speed.
Fig. 4 is the control system schematic diagram of the present invention.
Embodiment：
As depicted in figs. 1 and 2, one kind can set chopping length based on digital motion control system and length is high-precision
The portion that tests the speed is included in filament cutter, including frame 1, the part 2 that tests the speed, servomotor 11, gear-box 6, cutter disc 7, cutting knife 8, frame
Part 2 and gear-box 6；The axle of servomotor 11 is directly connected to gear-box 6, and gear-box 6 connects two cutter discs 7, and gear-box 6 can make
Two cutting knifes 7 are rotated with speed opposite direction；Cutter disc 7 is provided with cutting knife 8, and the location matches of two cutting knifes 8 are same in cutter disc 7
When speed is rotated, cutting knife 8 two reaches the metal wire rod of cutting simultaneously.Wire leading pipe 5 is housed, metal wire rod is from seal wire on gear-box 6
Pipe 5 is passed through, and wire leading pipe 5 makes metal wire rod be directed at cutting knife cutting edge center.
As shown in figure 3, the part that tests the speed includes two rollers of the symmetric position above and below metal wire rod, wherein a rolling
Take turns as thread pressing wheel 4, another wheel is fifth wheel 3；Fifth wheel 3 is fixed on bearing block by bearing, and bearing block is fixed on mounting seat
On, connect and encoder 10 is connected on the fifth wheel the tip of the axis of fifth wheel 3, the electrical connection digital motion control of encoder 10 system
System；Thread pressing wheel 4 is fixed on connection swing arm jackshaft in the middle of the one end of swing arm 12, swing arm 12 by rotating shaft, and swing arm jackshaft is fixed on
In mounting seat, the fulcrum of swing arm is formed, the piston rod of another termination cylinder of swing arm 12, cylinder is fixed in mounting seat.
The operation principle of part of testing the speed is：
Usually the piston rod of cylinder is in contraction state, thread pressing wheel 4 is removed formed between fifth wheel 3 it is certain away from
From facilitating wire rod to pass through.During work, cylinder is passed through compressed air, ejects cylinder rod, under the effect of swing arm 12, makes pressure
Silk wheel 4 and fifth wheel 3 compress metal wire rod, and the linear velocity for moving metal wire rod is converted into the rotating speed of fifth wheel 3, then by surveying
The output pulse signal of encoder 10 of 3 rear ends of speed wheel.
As shown in Figure 4：The part 2 that tests the speed is electrically connected by encoder with digital motion control system；Servomotor 11 leads to
Servomotor controller is crossed to electrically connect with digital motion control system；The shearing work origin position of cutter disc 4 is opened by close
Pass is electrically connected with digital motion control system；Digital motion control system is provided with HMI system（Human-computer exchange platform）, control
Module, servo controller, encoder, proximity switch.Sheared length parameter I is inputted by HMI system, metal wire rod is by testing the speed
During the fifth wheel of part, the encoder 10 on fifth wheel can measure the speed parameter II that metal wire rod passes through, and it is by measurement
Data are by pulse signal to control module, and proximity switch measures the shearing work original position signal parameter of cutting knife from cutter disc
III, the rotary speed parameter IV of motor is measured from servomotor controller, control module is according to parameter I, parameter II, parameter III, parameter
IV calculates the parameter V of motor needs, then exports parameter V to servomotor controller, servomotor controller control
The shear zone of motor and non-shear area rotary speed, the position of cutting knife feed back to control module by servomotor controller, control
Molding block adjusts servomotor speed preset parameter V by PID.
The present invention operation principle be：
Metal wire rod is through the part that tests the speed, and the cylinder ventilation jack-up in the part that tests the speed, thread pressing wheel pushes down metal wire rod, metal
Wire rod then passed through fiber tube, and metal wire rod enters cutter disc position.The part that tests the speed measures the linear velocity of metal wire rod, passes through
HMI system（Human-computer exchange platform）Sheared length needed for input, and the origin position signal that proximity switch is detected, digital motion
Parameter and detection signal of the control system more than calculate and control servo driver drives servomotor to rotate automatically, drive
Cutterhead gear case assembly does chopping work.Servomotor drives gear-box 6 to rotate cutter disc 7, the rotation of cutterhead and wire rod
Linear velocity be no longer constant speed than relation, but the chopping process of whole silk is divided into shear zone and non-shear area；Shear zone
When ensure that the linear velocity of cutter disc cutting knife cutting edge tangential velocity and metal wire rod is consistent；During non-shear area, cutter disc is adjusted
Speed, to adapt to different sheared lengths.When the length for shearing metal wire rod needs adjustment, it is only necessary to flat by human-computer exchange
Platform is modified to sheared length parameter, just can be realized.
Realize equipment and do not do machinery adjustment, the metal wire rod of random length can be cut out within the specific limits.
Technical scheme sheared length is directly detected by encoder, even if thread delivering roller skidding occurs and nor affects on length
Spend precision.Cutter disc is driven using Hardened gear face grinding worm, the mechanism for eliminating gear clearance is provided with transmission, it is ensured that use
In the life-span, improve transmission accuracy.So length accuracy improves a lot than existing equipment, 500mm length accuracies reach ±
0.5mm。
Claims (4)
1. a kind of close flying shear high speed parting machine of numerical control high-precision, including frame（1）, test the speed part（2）, servomotor（11）, gear
Case（6）, cutter disc（7）, cutting knife（8）, it is characterised in that：Frame（1）It is upper that the part that tests the speed is housed（2）With gear-box（6）；Servo electricity
Arbor and gear-box（6）Connection, gear-box（6）Connect two cutter discs（7）, gear-box（6）Two cutting knifes can be made anti-with speed
Direction is rotated；Cutter disc（7）It is provided with cutting knife（8）, two cutting knifes（8）Location matches, in cutter disc（7）During synchronized rotation,
Cutting knife（8）Two reach the metal wire rod cut simultaneously；
The machine include digital motion control system, the digital motion control system include HMI system, control module,
Servomotor controller, encoder, proximity switch；Sheared length parameter I is inputted by HMI system, metal wire rod is by testing the speed
During the fifth wheel of part, the encoder on fifth wheel（10）The speed parameter II that metal wire rod passes through can be measured, it is by measurement
Data are by pulse signal to control module, and proximity switch measures the shearing work original position signal parameter of cutting knife from cutter disc
III, the rotary speed parameter IV of motor is measured from servomotor controller, control module is according to parameter I, parameter II, parameter III, parameter
IV calculates the parameter V of motor needs, then exports parameter V to servomotor controller, servomotor controller control
The shear zone of motor and non-shear area rotary speed, the position of cutting knife feed back to control module by servomotor controller, control
Molding block adjusts servomotor speed preset parameter V by PID；
Ensure that the linear velocity of cutter disc cutting knife cutting edge tangential velocity and metal wire rod is consistent during shear zone；During non-shear area,
Cutter disc speed is adjusted, to adapt to different sheared lengths.
2. the close flying shear high speed parting machine of numerical control high-precision as claimed in claim 1, it is characterised in that：The gear-box（6）Upper dress
There is wire leading pipe（5）, metal wire rod is from wire leading pipe（5）Pass through, wire leading pipe（5）Metal wire rod is set to be directed at cutting knife cutting edge center.
3. the close flying shear high speed parting machine of numerical control high-precision as claimed in claim 1, it is characterised in that：The part that tests the speed includes gold
Belong to two rollers of the symmetric position above and below wire rod, wherein a roller is thread pressing wheel（4）, another wheel is fifth wheel（3）；
Fifth wheel（3）It is fixed on by bearing on bearing block, bearing block is fixed in mounting seat, connects fifth wheel（3）The wheel shaft that tests the speed
End on connect encoder（10）, encoder（10）Electrically connect digital motion control system；Thread pressing wheel（4）It is solid by rotating shaft
It is scheduled on swing arm（12）One end, swing arm（12）Centre connection swing arm jackshaft, swing arm jackshaft is fixed in mounting seat, forms swing arm
Fulcrum, swing arm（12）The piston rod of another termination cylinder, cylinder is fixed in mounting seat.
4. the close flying shear high speed parting machine of numerical control high-precision as claimed in claim 3, it is characterised in that：Test the speed part（2）By compiling
Code device is electrically connected with digital motion control system；Servomotor（11）Controlled by servomotor controller and digital motion
System is electrically connected；Cutter disc shearing work origin position is electrically connected by proximity switch with digital motion control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410844421.2A CN105798200B (en) | 2014-12-31 | 2014-12-31 | A kind of close flying shear high speed parting machine of numerical control high-precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410844421.2A CN105798200B (en) | 2014-12-31 | 2014-12-31 | A kind of close flying shear high speed parting machine of numerical control high-precision |
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| Publication Number | Publication Date |
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| CN105798200A CN105798200A (en) | 2016-07-27 |
| CN105798200B true CN105798200B (en) | 2017-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410844421.2A Active CN105798200B (en) | 2014-12-31 | 2014-12-31 | A kind of close flying shear high speed parting machine of numerical control high-precision |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106944488B (en) * | 2017-04-17 | 2018-11-13 | 建科机械（天津）股份有限公司 | A kind of reinforced bar processing device and bar diameter control method |
| CN112171076A (en) * | 2020-07-31 | 2021-01-05 | 浙江工业大学 | Wire rod cutter based on PLC control |
| CN113680954B (en) * | 2021-08-03 | 2023-03-10 | 河北国智机械设备制造有限公司 | Continuous reloading device of nut cold header |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3612111A (en) * | 1969-09-29 | 1971-10-12 | Gen Electric | Wire cutting and stripping apparatus |
| CN201088997Y (en) * | 2007-07-17 | 2008-07-23 | 周保民 | Vertical double-shaft flying shear cutting machine |
| CN201266314Y (en) * | 2008-05-29 | 2009-07-01 | 熊光仪 | Synchronous control system for shearing fixed length of steel rod straightener |
| CN203875254U (en) * | 2014-04-30 | 2014-10-15 | 杭州星冠机械科技有限公司 | Shredding machine |
| CN204470475U (en) * | 2014-12-31 | 2015-07-15 | 河南省西工机电设备有限公司 | The close flying shear high speed parting machine of numerical control high-precision |
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