CN1059305A - Cutting device for tire tread - Google Patents
Cutting device for tire tread Download PDFInfo
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- CN1059305A CN1059305A CN 90107436 CN90107436A CN1059305A CN 1059305 A CN1059305 A CN 1059305A CN 90107436 CN90107436 CN 90107436 CN 90107436 A CN90107436 A CN 90107436A CN 1059305 A CN1059305 A CN 1059305A
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- cutting machine
- tire tread
- cutting
- fixed
- fixed length
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Abstract
The invention provides and a kind of the tire tread blank that moves is carried out the device that fixed length synchronous cutting becomes tire tread, has joint belt conveyer with power source and energy cutting machine along the guide rail displacement that fixes on the ground, cutting machine top is provided with cut part, there is workbench at the middle part, and hold down gag and wheel are arranged at the bottom.Belt conveyer framework front center is provided with that cutting machine returns cylinder, the conveyor frame upper rear end is provided with photoimpact fixed length instrument.This device can satisfy the fixed length precision of code requirement to fixed length of tire tread, cutting machine with the advancing synchronously of belt conveyer in finish transverse cuts to the tire tread blank.
Description
The invention provides a kind of on tinuous production the plastic material to moving, particularly the tire tread blank that moves is carried out the device that fixed length synchronous cutting becomes tire tread.
At present, the tire tread cutting device (see figure 1) of during domestic rubber plant cutting wheel tire tread blank, adopt that a joint is with power source, the belt conveyer of transmission mechanism and controlling organization and the cutting machine that is fixed on ground being formed.The tire tread blank that hot press is extruded continuously flows to belt conveyer in the cutter sweep by the input belt conveyer, after the photoelectric tube fixed length through being arranged on the belt conveyer front end, controlling organization makes the belt conveyer stall in the cutter sweep immediately, the action of the cut part on cutting machine top: be fixed on cylinder on the knife rest and cutting knife is pushed away downwards along the guide rail on the knife rest put; Cutter motor makes the cutting knife rotation; Row cutter motor makes whole cut part carry out transverse cuts along the screw mandrel positive direction to the tire tread blank.The tire tread of well cutting is by follow-up output belt conveyer output.Press code requirement: the tire tread after the cut-out should be rectangular; The otch at two ends is smooth; The fixed length absolute error of tire tread should be less than ± 10 millimeters.Because the cutting machine in the above-mentioned cutter sweep has adopted the form that is fixed on ground, for the tire tread that guarantees to cut down rectangular, belt conveyer in the cutter sweep must and cutting machine synchronously-when promptly the tire tread blank being carried out transverse cuts, the belt conveyer in the cutter sweep must stall.But because hot press is quantity-produced, therefore importing belt conveyer can not stall, and the tire tread blank have to be imported continuously, and the result forms the suspension of tire tread blank and stores phenomenon between the belt conveyer of input belt conveyer and cutter sweep.Because rubber tyre tyre surface blank is from great and flexible, hangs therefore that the tire tread blank is elongated when storing, and after the tire tread blank is cut into tire tread, hang stress relieved, so tire tread contraction in length and cause the fixed length negative error.During the instantaneous stall of the belt conveyer in the cutter sweep, the tire tread blank causes the fixed length positive error because of its own inertial preshoot in addition.During the photoelectric tube fixed length,, light also can cause fixed length error if being obstructed.If the fixed length error of binomial before only considering is then much bigger than the positive error that inertia causes by hanging the negative error that stress causes, the fixed length error after therefore comprehensive is a negative error, and the tire tread length that promptly cuts down is shorter than predetermined length.Though can increase the correction value of a tyre surface length artificially, but because workshop temperature, the thickness of tire tread blank, the linear velocity of belt conveyer, the cutting speed of cutting part, the tire tread blank hangs the time of storing, the regularity that the tire tread blank hangs the factors such as quantity of storing is difficult to grasp, so the tire tread fixed length absolute error that currently used above-mentioned cutter sweep cuts down is in ± 20 millimeter, do not reach code requirement less than ± 10 millimeters standard, have to carry out the fixed length cutting second time again, so that make the fixed length absolute error of tire tread meet code requirement.This technology has caused the waste on human and material resources, financial resources and the energy, and according to statistics, factory that produces 300000 tires per year only must carry out this loss of fixed length cutting for the second time and reaches more than 50,000 yuan every year because of the fixed length absolute error exceeds code requirement.And because cutting the time must be restricted the linear velocity of whole production line transmission, the linear velocity of production line can only reach about 2.8 meters/minute at present.Therefore existing cutter sweep has tire tread need carry out secondary fixed length cutting and the not high shortcoming of whole production line drive line speed.
Purpose of the present invention will provide a kind of improved tire tread cutting device exactly.The cutting wheel tire tread is only made fixed length cutting one time, and And improves the linear velocity of whole production line transmission greatly.
Task of the present invention is finished as follows: it is with power source that cutting device for tire tread has a joint, the belt conveyer of transmission mechanism and a cutting machine, cutting machine top is fixed with cutting knife is laterally moved back and forth, on carry, transfer and rotate the cut part of cutting function, the cutting machine middle part is fixed with the cutting workbench, the beaming roller of drive tire tread, the beaming roller of belt on the driving belt transporter, its characteristics are the cutting machine bottom, the below of cutting workbench is fixed with hold down gag, wheel is equipped with in the cutting machine lower end, described wheel places on the guide rail that is fixed on ground, belt conveyer framework front center is fixed with cutting machine and returns cylinder, the end that cutting machine returns cylinder piston rod is connected on the side in the same way of cutting machine, belt conveyer back-end framework top is fixed with photoimpact fixed length instrument, and described photoimpact fixed length instrument is through a controlling organization and hold down gag, cut part, cutting machine returns cylinder activation.
Hold down gag of the present invention can be made up of pressure strip, crank and cylinder, and hinged with the bottom surface of upper end that is hinged and connected to the crank on the cutting machine and pressure strip, an end of the lower end of crank and the piston rod of cylinder is hinged.
Photoimpact fixed length instrument of the present invention can be made up of tracking wheel and the optical pulse generator that is fixed on the tracking wheel axis.
The present invention is owing to the cutting machine that will be fixed in ground originally makes into and can be fixed with hold down gag in the cutting machine bottom along coming and going the form And that moves on the guide rail that is fixed on ground, can make the belt conveyer in cutting machine and the cutter sweep realize synchronously dynamic when therefore cutting, the task of cutting wheel tire tread with the belt conveyer advanced in unison in finish, because the belt conveyer of cutter sweep possesses and imports the condition that belt conveyer has equal drive line speed, therefore can not produce the tire tread blank between the two and hang the storage phenomenon.Again owing to use photoimpact fixed length instrument fixed length instead, the fixed length absolute error of tire tread can be controlled at ± 5 millimeters in, the fixed length absolute error that is lower than the code requirement tire tread is less than ± 10 millimeters regulation, therefore tire tread can meet code requirement as long as make a fixed length cutting, and this has reduced the consumption on human and material resources, financial resources and the energy to a great extent.Tire tread after the cutting is rectangular, and the two ends otch is smooth.Because the cutting of tire tread and the operation of the belt conveyer in the cutter sweep are carried out synchronously, realized serialization production, the drive line speed of whole production line is brought up to 4～7 meters/minute by original 2.8 meters/minute, maximum drive line speed can reach 9 meters/minute, and therefore economic benefit of the present invention and social benefit are all very remarkable.
Below with reference to accompanying drawing the present invention is described in further detail.
Fig. 1 is known fixed tire tread cutting device schematic diagram.
Fig. 2 is the working state figure of cutting device for tire tread of the present invention before cutting.
Fig. 3 is the working state figure after cutting device for tire tread cutting of the present invention finishes.
Fig. 4 is the concrete structure schematic diagram of hold down gag on the cutting machine of the present invention.
Fig. 5 is the organigram of photoimpact fixed length instrument of the present invention.
Fig. 6 is the circuit theory diagrams of automatic controls of the present invention, figure left side mark 1 ', 2 ', 3 ', 4 ', 5 ', 6 ', 7 ' respectively represent 7 branch roads.
With reference to Fig. 2 to Fig. 5, the photoimpact fixed length instrument that is fixed on belt conveyer 1 back-end framework top is made up of tracking wheel 17 and the optical pulse generator 18 that is fixed on tracking wheel 17 axis.Tracking wheel 17 is pressed on the tire tread blank 19.When the tire tread blank moved horizontally forward, tracking wheel 17 was rotated counterclockwise under the drive of tyre surface blank 19, drivening photoelectric pulse generator axle rotation simultaneously.The tracking wheel outer perimeter of present embodiment is 500 millimeters, and the model of optical pulse generator is MZ～2 types.When tracking wheel was rotated counterclockwise a week, optical pulse generator sent 500 pulse signals, and promptly the tire tread length of a pulse signal correspondence is 1 millimeter.The theoretical fixed length precision of described photoimpact fixed length instrument is 1 millimeter.In order to guarantee the fixed length precision of photoimpact fixed length instrument, the external peripheral surface of tracking wheel is processed into profile of tooth to increase the adhesive force of tracking wheel and tyre surface blank, avoids because of causing fixed length error because of adhesive force produces slippage inadequately between tracking wheel and the tire tread blank.Pulse signal (is reached the predetermined length of tire tread) and can be sent tire tread cutoff signal (counter wink normally opened contact closure) automatically by rolling counters forward when counter completely is worth.The counting of counter accumulative total also can show with display, is convenient to the usefulness of macroscopic examination and re-type tyre surface length specification.Hold down gag 7 is made up of pressure strip 13, crank 14 and cylinder 15, crank 14 middle parts link to each other with the cutting fuselage with hinge, the bottom surface of the upper end of crank 14 and pressure strip 13 is hinged, and an end of the piston rod 16 of the lower end of crank 14 and cylinder 15 is hinged, and cylinder 15 is fixed on the bottom of cutting machine 2.Hold down gag is mainly used in the bottom surface that the belt on the belt conveyer 1 is pressed onto cutting workbench 4, makes the cutting machine 2 can be with belt conveyer 1 advanced in unison.Wheel 8 is equipped with in the lower end of cutting machine 2, wheel 8 places on the guide rail 9 that is fixed on ground, so that cutting machine 2 can be reciprocating along guide rail 9, the framework front center of belt conveyer 1 is fixed with cutting machine and returns cylinder 10, a side in the same way of one end of the piston rod 11 of described cylinder 10 and cutting machine 2 links to each other, so that cutting machine 2 is pushed back original position along guide rail 9.Mutual motion between each assembly of cutting device for tire tread of the present invention realizes control automatically by a controlling organization.
With reference to Fig. 2, Fig. 3, Fig. 6, the original state before the cutting device for tire tread cutting of the present invention is: it is other that cutting machine 2 is arranged in guide rail 9 left end mechanical stop limiters (figure does not draw), and cut part 3 is pushed down doubly-linked travel switch SA
1, often start Cheng KaiguanS A in Fig. 6 1' branch road
1Closure, the normally closed travel switch SA in the 2' branch road
1Disconnect.Cut part 3 is pushed down travel switch SA
4, the normally closed travel switch SA in the 3' branch road
4Disconnect.Cut part 3 is not pushed down travel switch SA
2With doubly-linked travel switch SA
3So, often start Cheng KaiguanS A in the 2' branch road
2Disconnect, often start Cheng KaiguanS A in the 3' branch road
3Disconnect the normally closed travel switch SA in the 1' branch road
3Closed.Because the counter of photoimpact fixed length instrument does not start wink normally opened contact PC action: so the contactor KM in the 1' branch road
1Obstructed, the cutter motor on the cut part 3 does not drive the cutting knife rotation; Contactor KM
2Obstructed, cut part 3 is not carried out the instruction of laterally advancing along the screw mandrel positive direction; Relay K A
1Obstructed, the normally opened relay contact KA in the 4' branch road
1Disconnect the YV in the bidirectional electromagnetic valve
1-ACoil losing electricity, the pump in the cut part 3 are not carried out the instruction that cutting knife descends; Normally closed relay contact KA in the 5' branch road
1Closure, the YV in the bidirectional electromagnetic valve
1-BCoil gets electric, and pump in the cut part 3 is carried out the instruction that cutting knife is risen, but when the end cap of the piston area of pump and pump is collided, cutting knife rises to the upper limit; Normally opened relay contact KA in the 6' branch road
1Disconnect magnetic valve YV
2Coil losing electricity, the pressure strip 13 in the hold down gag 7 is in the decline release position; Often start Cheng KaiguanS A in the 2' branch road
2Disconnect normally closed travel switch SA
1Disconnect contactor KM
3Obstructed, cut part 3 is not carried out the instruction of laterally returning along screw mandrel; Often start Cheng KaiguanS A in the 3' branch road
3Disconnect normally closed travel switch SA
4Disconnect relay K A
2Obstructed, the relay contact KA in the 7' branch road
2Disconnect magnetic valve YV
3Coil losing electricity, cutting machine return cylinder and stop to carry out the instruction that piston is released, and the piston 11 that cutting machine returns in the cylinder 10 is in the state of preparing to return cylinder 10.
The program of apparatus of the present invention running is: when the counter of photoimpact fixed length instrument completely was worth (promptly counting the predetermined length that reaches tire tread), the counter wink normally opened contact PC closure in the 1' branch road was connected contactor KM
1, cutter motor drives the cutting knife rotation; Connect contactor KM
2, row cutter driven by motor cut part 3 is made laterally walking, engage relay KA along the screw mandrel positive direction
1, three relay contact KA that often open in 1', 4', the 6' branch road
1Closure, the normally closed relay contact KA in the 5' branch road
1Disconnect, (because cut part 3 is done laterally walking along the screw mandrel positive direction, cut part 3 is no longer pushed down doubly-linked travel switch SA
1, disconnect immediately after the counter wink normally opened contact PC closure of holding concurrently again, so need Zhong the 1' branch road, join a normally opened relay contact KA by And
1To guarantee to continue engage relay KA
1), the relay contact KA in the 4' branch road
1Closure, the YV in the bidirectional electromagnetic valve
1-ACoil gets electric, and cut part 3 is carried out cutting knife decline instruction; Normally opened relay contact KA in the 6' branch road
1Closure, magnetic valve YV
2Coil gets, pressure strip 13 in the hold down gag rises and the belt of belt conveyer 1 is pressed on the bottom surface of cutting workbench 4, make cutting machine 2 leave original position along guide rail 9 with belt conveyer 1 advanced in unison, the piston rod 11 that cutting machine returns in the cylinder 10 is return cylinder 10 synchronously, and cut part 3 is finished the transverse cuts to the tire tread blank in advancing synchronously with belt conveyer 1.
After cutting finished, cut part 3 was pushed down and is often started Cheng KaiguanS A
2With doubly-linked travel switch SA
3Normally closed travel switch SA in the 1' branch road
3Disconnect contactor KM
1Obstructed, cutting knife stops the rotation; Contactor KM
2Obstructed, cut part 3 stops along the horizontal walking of screw mandrel positive direction; Relay K A
1Obstructed, the normally opened relay contact KA in the 4' branch road
1Disconnect the YV in the bidirectional electromagnetic valve
1-ACoil losing electricity, cut part 3 are not carried out cutting knife decline instruction; Normally closed relay contact KA in the 5' branch road
1Closure, the YV in the bidirectional electromagnetic valve
1-BCoil gets electric, and cut part 3 is carried out the cutting knife climb command; Normally opened relay contact KA in the 6' branch road
1Disconnect magnetic valve YV
2Coil losing electricity, the pressure strip 13 in the hold down gag 7 loosens decline, and cutting machine 2 is no longer with belt conveyer 1 advanced in unison.Often start Cheng KaiguanS A in the 2' branch road
2Closure, normally closed travel switch SA
1Closure is connected contactor KM
3, cut part 3 execution (are left when cut part 3 is laterally returned and are often started Cheng KaiguanS A along the instruction that screw mandrel laterally returns in the other direction
2, often start Cheng KaiguanS A
2Disconnect, so Xu is Yaoed normally open contactor contact KM of And connection
3To guarantee that cut part 3 continues to carry out the instruction of laterally returning along screw mandrel in the other direction), finally push down doubly-linked travel switch SA up to cut part 3
1With normally closed travel switch SA
4Till.Often start Cheng KaiguanS A in the 3' branch road in the doubly-linked travel switch
3Closure, normally closed travel switch SA
4Closure, engage relay KA
2, the normally opened relay contact KA in the 7' branch road
2Closure, magnetic valve YV
3Coil gets electric, and cutting machine returns cylinder 10 and carries out the instruction that piston rod 11 is released (cut part 3 is left doubly-linked travel switch SA when screw mandrel laterally returns
3, often start Cheng KaiguanS A
3Disconnect, so Xu is Yaoed normally opened relay contact KA of And connection
2, to guarantee to continue engage relay KA
2, normally opened relay contact KA
2Closed, magnetic valve YV
3Coil continues to such an extent that thereby the electric cutting machine that makes returns the instruction that cylinder 10 continues to carry out pushing piston-rod 11), promote cutting machine 2 along guide rail 9 correcting action left, cutting machine 2 finally is subjected to mechanical stop limiter spacing and be parked in original position (this moment, cut part 3 was pushed down normally closed travel switch SA
4, described switch S A
4Disconnect relay K A
2Obstructed, normally opened relay contact KA
2Disconnect magnetic valve YV
3Coil losing electricity, cutting machine return cylinder 10 and stop to carry out the instruction that piston rod 11 is released).Apparatus of the present invention are returned to the original state before the cutting again.
In the production process, counter in the photoimpact fixed length instrument 12 may be malfunctioning or the tire tread blank have defect, (counter is not reacted to the quality problems of tire tread blank), can cause fixed length error or quality accident in this case, therefore in circuit, increase hand push button SB
2, the operator can utilize hand push button SB
2That a part of blank excision (cut blank can in time be rejected) that defect is arranged in length requirement or the tyre surface blank will do not met.In order to deal with the accident of burst, also be provided with accident scram button SB
1, pin scram button SB
1The power supply of entire circuit is all cut off, and apparatus of the present invention shut down.
Claims (3)
1, a kind of the tire tread blank that moves is carried out the device that fixed length synchronous cutting becomes tire tread, it is with power source that this device has a joint, the belt conveyer of transmission mechanism (1), cutting machine (2), cutting machine (2) top is fixed with cutting knife is laterally moved back and forth, on carry, transfer and rotate the cut part (3) of cutting function, cutting machine (2) middle part is fixed with cutting workbench (4), the beaming roller of drive tire tread (5), the beaming roller of driving belt (6), the bottom that it is characterized in that cutting machine (2), the below of cutting workbench (4) is fixed with hold down gag (7), wheel (8) is equipped with in the lower end of cutting machine (2), described wheel (8) places on the guide rail (9) that is fixed on ground, belt conveyer (1) framework front center is fixed with cutting machine and returns cylinder (10), the end that cutting machine returns the piston rod (11) of cylinder (10) is connected on the side in the same way of cutting machine (2), belt conveyer (1) back-end framework top is fixed with photoimpact fixed length instrument (12), and described photoimpact fixed length instrument (12) is through a controlling organization and hold down gag (7), cut part (3) and cutting machine return cylinder (10) and connect.
2, cutter sweep according to claim 1, it is characterized in that hold down gag (7) is made up of pressure strip (13), crank (14) and cylinder (15), bottom surface with upper end that is hinged and connected to the crank (14) on the cutting machine and pressure strip (13) is hinged, and an end of the piston rod (16) of the lower end of crank (14) and cylinder (15) is hinged.
3, cutter sweep according to claim 1 and 2 is characterized in that photoimpact fixed length instrument (12) is made up of tracking wheel (17) and the optical pulse generator (18) that is fixed on tracking wheel (17) axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90107436 CN1022550C (en) | 1990-09-01 | 1990-09-01 | Cutting device for tire tread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90107436 CN1022550C (en) | 1990-09-01 | 1990-09-01 | Cutting device for tire tread |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1059305A true CN1059305A (en) | 1992-03-11 |
| CN1022550C CN1022550C (en) | 1993-10-27 |
Family
ID=4880547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90107436 Expired - Fee Related CN1022550C (en) | 1990-09-01 | 1990-09-01 | Cutting device for tire tread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1022550C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796062B (en) * | 2004-12-28 | 2010-07-07 | Uht株式会社 | Cut processing method, cut processing apparatus and work-piece supporting construction used with said apparatus |
| CN102145496A (en) * | 2010-12-02 | 2011-08-10 | 尹家旺 | Cutting machine for tyre |
| CN104776803A (en) * | 2015-04-13 | 2015-07-15 | 赛轮金宇集团股份有限公司 | Automatic length measuring device for tire treads and monitoring method of automatic length measuring device |
| CN104972504A (en) * | 2015-06-30 | 2015-10-14 | 重庆市金盾橡胶制品有限公司 | Multifunctional tread cutting machine |
| CN104972489A (en) * | 2015-06-30 | 2015-10-14 | 重庆市金盾橡胶制品有限公司 | Tire tread and cloth liner separating and cutting machine with high tire tread notch matching degree |
| CN105856317A (en) * | 2016-06-21 | 2016-08-17 | 萨驰华辰机械(苏州)有限公司 | Non-contact type fixed-length cutting system |
| CN112916947A (en) * | 2021-02-06 | 2021-06-08 | 常山亮 | Cutting device that steel pipe processing used |
| CN113882133A (en) * | 2021-10-29 | 2022-01-04 | 滁州市大振户外旅游用品有限公司 | Rain cloth cutting device |
-
1990
- 1990-09-01 CN CN 90107436 patent/CN1022550C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796062B (en) * | 2004-12-28 | 2010-07-07 | Uht株式会社 | Cut processing method, cut processing apparatus and work-piece supporting construction used with said apparatus |
| CN102145496A (en) * | 2010-12-02 | 2011-08-10 | 尹家旺 | Cutting machine for tyre |
| CN104776803A (en) * | 2015-04-13 | 2015-07-15 | 赛轮金宇集团股份有限公司 | Automatic length measuring device for tire treads and monitoring method of automatic length measuring device |
| CN104776803B (en) * | 2015-04-13 | 2017-07-14 | 赛轮金宇集团股份有限公司 | A kind of tyre surface examines growth device and its monitoring method automatically |
| CN104972504A (en) * | 2015-06-30 | 2015-10-14 | 重庆市金盾橡胶制品有限公司 | Multifunctional tread cutting machine |
| CN104972489A (en) * | 2015-06-30 | 2015-10-14 | 重庆市金盾橡胶制品有限公司 | Tire tread and cloth liner separating and cutting machine with high tire tread notch matching degree |
| CN104972489B (en) * | 2015-06-30 | 2016-08-24 | 重庆市金盾橡胶制品有限公司 | The tire tread shield separation cutting machine that a kind of tyre surface coincideing property of otch is good |
| CN105856317A (en) * | 2016-06-21 | 2016-08-17 | 萨驰华辰机械(苏州)有限公司 | Non-contact type fixed-length cutting system |
| CN112916947A (en) * | 2021-02-06 | 2021-06-08 | 常山亮 | Cutting device that steel pipe processing used |
| CN112916947B (en) * | 2021-02-06 | 2022-07-19 | 佛山市银天金属制品有限公司 | Cutting device that steel pipe processing used |
| CN113882133A (en) * | 2021-10-29 | 2022-01-04 | 滁州市大振户外旅游用品有限公司 | Rain cloth cutting device |
| CN113882133B (en) * | 2021-10-29 | 2022-07-29 | 滁州市大振户外旅游用品有限公司 | Device is tailor to waterproof cloth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1022550C (en) | 1993-10-27 |
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