CN104858918A - Rubber sheet cutting device - Google Patents

Rubber sheet cutting device Download PDF

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Publication number
CN104858918A
CN104858918A CN201510003752.8A CN201510003752A CN104858918A CN 104858918 A CN104858918 A CN 104858918A CN 201510003752 A CN201510003752 A CN 201510003752A CN 104858918 A CN104858918 A CN 104858918A
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Prior art keywords
sheet rubber
rubber material
supply
workbench
air
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CN201510003752.8A
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CN104858918B (en
Inventor
奥田昌纪
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Sumitomo Rubber Industries Ltd
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Sumitomo Rubber Industries Ltd
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  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The present invention provides a rubber sheet cutting device capable of enabling a feeding angle to change at high accuracy for performing cutting even for rubber sheets with different qualities. The rubber sheet cutting device (T) comprises a slant cutter device (1) and a feeding conveyer (2) for feeding rubber sheet material (G) to the slant cutter device (1). The slant cutter device (1) has a workbench (3) having a loading surface (5) for loading the rubber sheet material (G). The feeding conveyer (2) is configured to be capable of moving horizontally around a vertical axis (1C) at the periphery of the workbench (3), so that the feeding angle of the rubber sheet material (G) can change relative to the cutter. The workbench (3) comprises a pneumatic workbench part (10) having an air supply device (11) which enables the rubber sheet material (G) to float from the loading surface (5) through air supply. The air supply device (11) has an air regulation member (11b) which changes the air volume according to the quality of the rubber sheet material (G).

Description

Sheet rubber shearing device
Technical field
The present invention relates to the sheet rubber shearing device of Production Example as the sheet rubber used in the manufacture of tire.
Background technology
In following patent document 1, record such device, this device is used for by being cut off sideling successively from end side by rectangular sheet rubber material, makes two ora terminalis relative to length direction by the sheet rubber of declinate cutting.This device possesses: oblique cutter, and it moves up and down and is cut off by sheet rubber material on stationary work-table; And conveyer, rectangular sheet rubber material is supplied on described workbench by it.Conveyer can move horizontally around stationary work-table centered by arbitrary vertical axis.
Such device can change the direction of the supply sheet rubber of conveyer relative to oblique cutter, therefore, it is possible to the angle making the ora terminalis of sheet rubber and length direction form and angle excursion change to cut off.
In addition, sheet rubber material is placed with the state of both spanning operation platform and conveyer.Therefore, in order to change angle excursion conveyer is moved around described central shaft time, if sheet rubber material fits tightly in stationary work-table side, then exist cause sheet rubber material bending such problem.Therefore, in following patent document 1, stationary work-table being provided with air-supply arrangement, when changing angle excursion, to air supply between sheet rubber material and stationary work-table, reducing the friction between sheet rubber material and stationary work-table.
, air-supply arrangement in the past supplies fixing air quantity all the time, therefore exists and cannot tackle the such situation of the sheet rubber material of various thickness or width.Such as, there is such worry: the little and sheet rubber that quality is also little of thickness produces gauffer or rolls due to air-supply.On the contrary, also have that thickness is large and quality is also large sheet rubber cannot float such situation fully.
Patent document 1: Japanese Patent No. 2741614 publication
Summary of the invention
The present invention proposes in view of situation so above, its main purpose is to provide a kind of sheet rubber shearing device, this sheet rubber shearing device is to improve air-supply arrangement as at all, even the different sheet rubber of quality also can make supply angle change accurately to cut off.
The present invention is a kind of sheet rubber shearing device, and this sheet rubber shearing device comprises: for the oblique cutter device cut off sideling by rectangular sheet rubber material; With the supply conveyer described sheet rubber material being supplied to described oblique cutter device, wherein, described oblique cutter device has: workbench, and it has mounting surface, and this mounting surface loads the sheet rubber material sent here from described supply conveyer; With oblique cutter, described sheet rubber material on described workbench cuts off by it, described supply conveyer is configured to move horizontally around vertical axis around described workbench, the supply angle of described sheet rubber material can be made thus to change relative to described cutter, described workbench comprises the air table portion with air-supply arrangement, described air-supply arrangement makes described sheet rubber material float from described mounting surface by air-supply, described air-supply arrangement has air quantity adjustment means, and this air quantity adjustment means makes air quantity change according to the quality of described sheet rubber material.
About described sheet rubber shearing device of the present invention, preferably, described sheet rubber shearing device is provided with sheet rubber detection means, this sheet rubber detection means is placed with the situation of described sheet rubber material on described workbench for detecting, described sheet rubber detection means comprises range sensor, this range sensor irradiates detection light downwards from the top of described workbench, and receive by the described detection light of described sheet rubber material reflects, the described mounting surface of described workbench comprises: datum level, itself and described sheet rubber material; And recess, it is positioned at than described datum level position on the lower, and described detection light is to this recess.
About described sheet rubber shearing device of the present invention, preferably, described range sensor is arranged near described vertical axis or described vertical axis.
About described sheet rubber shearing device of the present invention, preferably, described sheet rubber shearing device has carrying device, after the supply angle change just making described sheet rubber material, described sheet rubber material is sent to described oblique cutter device with the amount of feeding δ calculated according to following formula (1) by described carrying device:
δ=(A/sin θ)+(d × sinZ/2 × sin θ × sin α)+e formula (1)
At this, θ, α, Z, d, e and A are as described below,
θ: the supply angle (degree) of the sheet rubber material after change;
α: the supply angle (degree) of the sheet rubber material before change;
Z: the angle variable quantity (degree) of the sheet rubber material before and after change;
D: the width (mm) of sheet rubber material;
E: the amount of retracting (mm) that the sheet rubber material before change returns to supply conveyer layback;
A: the beeline (mm) between oblique cutter and vertical axis.
Sheet rubber shearing device of the present invention has air quantity adjustment means air quantity being changed according to the quality of sheet rubber material.Therefore, such as, the air quantity that and sheet rubber that quality also little little to thickness supply is less, thus can reliably prevent because blowing caused gauffer or roll.On the contrary, by large to thickness and the sheet rubber that quality is also large supplies enough air quantity, sheet rubber material can be reliably made to float from workbench.
Accompanying drawing explanation
Fig. 1 is the top view of the embodiment that sheet rubber shearing device of the present invention is shown.
Fig. 2 is the stereogram of the sheet rubber shearing device of Fig. 1.
Fig. 3 is the synoptic diagram be described sheet rubber detection means.
(a) and (b) of Fig. 4 illustrates the top view retracting operation employing sheet rubber shearing device of the present invention and carry out.
(a) of Fig. 5 is the top view that change operation is shown, (b) of Fig. 5 illustrates the top view sending operation.
Fig. 6 illustrates the top view cutting off operation.
Label declaration
1: oblique cutter device; 1C: vertical axis; 2: supply conveyer; 3: workbench; 5: mounting surface; 10: air table (air table) portion; 11: air-supply arrangement; 11b: air quantity adjustment means; G: sheet rubber material; T: sheet rubber shearing device.
Detailed description of the invention
Below, based on accompanying drawing, an embodiment of the invention are described.
Fig. 1 is the top view of the sheet rubber shearing device T of present embodiment, and Fig. 2 is its stereogram.(below, there is the situation simply referred to as " shearing device " in the sheet rubber shearing device of present embodiment.) device that is suitable as the unvulcanized sheet rubber material G such as forming pneumatic tire (omit diagram) cuts off sideling of T utilizes.Further, in the downstream of shearing device T, such as, be provided with the sheet rubber material G after making cut-out and engage and the engagement device (omit diagram) that forms the rectangular cord ply such as casingply or belt.Such as be provided with the rubber extruded machine of progressive forming sheet rubber material G at the upstream side of shearing device T or sheet rubber material G be supplied to the applicator (applicator) etc. (omitting diagram) of shearing device T.
Sheet rubber material G carries out the rectangular of rubber coated to the arrange body of the cord be such as made up of organic fiber or steel and cross section is rectangular-shaped plates.Sheet rubber material G is as the sheet rubber material used in the shearing device T of present embodiment, and such as, its width is 900mm ~ 1100mm and the sheet rubber material that its thickness is mm0.5 ~ 2.5mm is preferred.
As depicted in figs. 1 and 2, shearing device T comprises: for the oblique cutter device 1 cut off by sheet rubber material G; With the supply conveyer 2 supplying sheet rubber material G to oblique cutter device 1.
Oblique cutter device (following, there is the situation simply referred to as " cutter device ".) 1 to comprise: the workbench 3 of mounting sheet rubber material G; With the oblique cutter 4 that the sheet rubber material G on workbench 3 is cut off.
When overlooking, workbench 3 is formed with the roughly fan possessing the arc-shaped edge 3a protruded to supply conveyer 2 side.Workbench 3 has the mounting surface 5 of mounting sheet rubber material G.
Mounting surface 5 is made up of the face of level, and sheet rubber material G can be made to move smoothly.About mounting surface 5, in order to reduce the friction with sheet rubber material G, it is desirable to be formed by the such as metal material such as steel plate or copper coin.In addition, in order to reduce the friction with sheet rubber material G further, more wishing that roughening specification coating is carried out to metal material, namely not adhering to (tack free) process.
Mounting surface 5 comprises: the datum level 6 contacted with sheet rubber material G; With the recess 7 be positioned at than datum level 6 position on the lower.The datum level 6 of present embodiment constitutes the major part of mounting surface 5, and has the size contacted with the sheet rubber material G of the supply angle configurations specified.
Figure 3 illustrates the sectional view comprising recess 7 of workbench 3.As shown in Figure 3, recess 7 be in the present embodiment be made up of side 7a and bottom surface 7b have Bottom Shape, described side 7a extends downwards from datum level 6, and described bottom surface 7b's and side 7a is continuous bottom.That is, bottom surface 7b leaves from datum level 6, does not contact with sheet rubber material G.
As depicted in figs. 1 and 2, workbench 3 comprises: the air table portion 10 possessing air-supply arrangement 11; With take out of loading unit 12 for what returned from mounting surface 5 to supply conveyer 2 layback by sheet rubber material G.The air table portion 10 of present embodiment is conjointly arranged with supply conveyer 2.
Air-supply arrangement 11 possesses: pressure fan (omitting diagram); Multiple blow-off outlet 11a, the air blown out from pressure fan is blowed to sheet rubber material G by them; And air quantity adjustment means 11b, it regulates the air quantity blowing to sheet rubber material G.Pressure fan is connected with blow-off outlet 11a by not shown wind channel tube.
In the present embodiment, mounting surface 5 is provided with multiple blow-off outlet 11a.Thus, in the air-supply arrangement 11 of present embodiment, can blow to the lower surface of the sheet rubber material G in mounting surface 5, sheet rubber material G is floated from mounting surface 5.In order to make sheet rubber material G balance float well, it is desirable to make blow-off outlet 11a in fact equidistantly to configure.
For air quantity adjustment means 11b, it is desirable to use the air quantity variable baffle etc. of the upstream side such as inverter of FREQUENCY CONTROL etc. being carried out to the output of pressure fan or be located at blow-off outlet 11a.Such air quantity adjustment means 11b is suitable for making the air quantity at blow-off outlet 11a place to change.
Take out of loading unit 12 to be located between air table portion 10 and oblique cutter 4.Take out of loading unit 12 and there is the opening portion 13 making mounting surface 5 opening.Such opening portion 13 reduces the contact area of datum level 6 and sheet rubber material G, and what sheet rubber material G was realized by the movement in mounting surface 5 takes out of to move into and become easy.Opening portion 13 is formed with toroidal in the present embodiment, and is provided with multiple along the cutting direction (the W direction of Fig. 1) of oblique cutter 4.In addition, the magnet of not shown lift is provided with in the bottom of opening portion 13.Magnet ensure that under decline state taking out of smoothly of sheet rubber material G is moved into.When cutting off sheet rubber material G, magnet rises to mounting surface 5, fixing sheet rubber material G, prevents the skew of sheet rubber material G or by cutting off nipping of the sheet rubber material G that causes.
In the present embodiment, oblique cutter 4 is incorporated in rectangular-shaped housing 15, this housing 15 is provided with sheet rubber material G is moved into move into a mouthful 15a.
Be provided with in the downstream of housing 15 and take out of conveyer 16, this takes out of conveyer 16 and takes out of the sheet rubber material G cut off by oblique cutter 4 to such as not shown engagement device.
In the present embodiment, supply conveyer 2 has: delivery section 17, its conveying sheet rubber material G; And moving part 18, it makes delivery section 17 move horizontally around vertical axis 1C around workbench 3.That is, vertical axis 1C is the centre of gyration that sheet rubber material G is changed relative to the supply angle of oblique cutter 4.In the present embodiment, vertical axis 1C is by the recess 7 near the central authorities that take out of the width of loading unit 12.Further, in this manual, using the direction parallel with vertical axis 1C as Z-direction, using conveying (direction of the supply) direction of sheet rubber material G as X-direction, using the width of sheet rubber material G as Y direction.
In the present embodiment, delivery section 17 comprises: can multiple conveying rollers 20 of forward and reverse rotation; Can by conveying roller 20 around the conveyer belt 21 rotated; By a pair supporting slice 22 that conveying roller 20 two supports becomes can rotate; And the leg 23 of supporting slice 22 is supported from ground.
Delivery section 17 has the arc-shaped edge 17a of the concavity by workbench 3 side extended substantially in parallel with arc-shaped edge 3a.Thereby, it is possible to guarantee that the gap between delivery section 17 and workbench 3 is less, and, delivery section 17 can be made to move around workbench 3 swimmingly, and can not contact with workbench 3.
Its upper surface as conveyor surface 21a, this conveyor surface 21a is received sheet rubber material G from rubber extruded pusher side, and is delivered to the mounting surface 5 of workbench 3 by conveyer belt 21.
The moving part 18 of present embodiment comprises: the guide rail 25 extended in circular arc as center using vertical axis 1C; With the traveling seat 26 travelled on guide rail 25.Travel seat 26 and be fixedly installed in leg 23.Travel seat 26 to have: with can the mode of movement smoothly on guide rail 25 guide portion chimeric with guide rail 25; With make guide portion along the mobile members such as the such as wheel of guide rail 25 movement (omit diagram).The not shown stop part preventing traveling seat 26 from coming off is provided with at the two ends of guide rail 25.
Wish that moving part 18 also comprises: the traveling motor driving mobile member; With the control device (omitting diagram) controlling the traveling position of seat 26 on guide rail 25.Thus, delivery section 17 can be shifted one's position freely around vertical axis 1C.Further, moving part 18 is not limited to such form, can adopt various form.
Shearing device T also has the sheet rubber detection means 30 of the sheet rubber material G on testing platform 3.
As shown in Figure 3, and sheet rubber detection means (following, there is the situation simply referred to as " detection means ".) 30 to have: range sensor 32, its top from workbench 3 irradiates detection light 32a downwards, and receives the detection light 32a reflected by reflecting surface 34; With treating apparatus 33, its signal p process that sensor 32 exports of adjusting the distance.
As shown in Figure 1, range sensor 32 is arranged on vertical axis 1C.That is, range sensor 32 is arranged at the centre of gyration of sheet rubber material G.Thus, range sensor 32 is not arranged on the mobile route of sheet rubber material G by about supply angle, therefore, it is possible to easily detect sheet rubber material G.Further, range sensor 32 also can carry out, in the limit detected, being arranged near vertical axis 1C in the excursion of the supply angle of sheet rubber material G.In the present embodiment, range sensor 32 is by the such as Screw outer surface being fixedly installed in housing 15 such as fastening.
As shown in Figure 3, range sensor 32 is the unit at least comprising light-emitting component 32b and optical position detecting element 32c, irradiates detection light 32a, received the detection light 32a reflected by reflecting surface 34 by optical position detecting element 32c from light-emitting component 32b to reflecting surface 34.Further, range sensor 32 based on the position output example received by this optical position detecting element 32c as different voltage signal p.As such range sensor 32, the CMOS laser sensor of Co., Ltd. KEYENCE is preferred.
The voltage signal p from range sensor 32 such as changed by treating apparatus 33, is converted into range sensor 32 and the range information of reflecting surface 34, can detects whether mounting surface 5 exists sheet rubber material G.As such treating apparatus 33, such as PC is suitable.Further, preferably in treating apparatus 33, such function is pre-set: correspond to the rate signal etc. sent from conveyer 2 or carrying device 31 and process, measure sheet rubber material G displacement in the X-axis direction thus.
The range sensor 32 of the present embodiment formed as above and the effect for the treatment of apparatus 33 are carried out describing.When sheet rubber material G is on vertical axis 1C, detection light 32a reflects on sheet rubber material G.Now, sheet rubber material G is reflecting surface 34a.Vertical axis 1C does not have sheet rubber material G, detection light 32a is reflected by the bottom surface 7b of recess 7.Now, bottom surface 7b is reflecting surface 34b.Thus, optical position detecting element 32c to receive in the position differed widely based on the distance L between sheet rubber material G and the bottom surface 7b of recess 7 and detects light 32a, therefore, range sensor 32 can export treating apparatus 33 to according to the voltage signal p having no-trump to differ widely of sheet rubber material G.Treating apparatus 33 detects the presence or absence of sheet rubber material G based on the following information prestored, described information define voltage signal p and based on the sheet rubber material G of distance L presence or absence between relation.Like this, in the present embodiment, export the voltage signal p differed widely by means of recess 7, therefore, treating apparatus 33 can detect the presence or absence of sheet rubber material G accurately.
As depicted in figs. 1 and 2, shearing device T also has carrying device 31, and the sheet rubber material G on workbench 3 sends to oblique cutter 4 by this carrying device 31.
The carrying device 31 of present embodiment comprises: retaining member 35, and its top being located at workbench 3 is to keep sheet rubber material G; Longitudinal movement member 36, it can make retaining member 35 move along Z-direction; And transverse shifting component 37, it can make sheet rubber material G move along X-direction.
Retaining member 35 comprises: shaft-like framework 35a, and itself and oblique cutter 4 extend abreast; With maintaining part 35b, its lower surface being arranged on framework 35a is to keep sheet rubber material G.Maintaining part 35b preferably such as utilizes vacuum to adsorb multiple vacuum cups of sheet rubber material G.Further, when sheet rubber material G contains steel cord, maintaining part 35b also can be the suction tray of the magnet-type utilizing magnetic force.
Longitudinal movement member 36 comprises the 1st actuator the 38,1st actuator 38 to be had along vertical axis 1C retractile bar 38a in the Z-axis direction.For the 1st actuator 38, such as, be applicable to the thin cylinder etc. adopting known band guiding piece.Longitudinal movement member 36 is provided with slewing equipment 36b, and this slewing equipment 36b keeps parallel with the cutting direction of oblique cutter 4 with framework 35a.Thus, even if when supply conveyer 2 moves around vertical axis 1C, also can prevent framework 35a from contacting with housing 15.
Transverse shifting component 37 comprises the 2nd actuator the 39,2nd actuator 39 and has the retractile bar 39a that the throughput direction along sheet rubber material G extends in the X-axis direction.For the 2nd actuator 39, such as, be applicable to the thin cylinder etc. adopting known band guiding piece.The 1st actuator 38 of longitudinal movement member 36 is installed with at the end of bar 39a.The transverse shifting component 37 of present embodiment is connected with fixed part 40, and this fixed part 40 is fixedly installed in a pair supporting slice 22, and extends along Y direction.Further, carrying device 31 is not limited to such form, can adopt various form.
Next, an embodiment of the manufacturing process that the supply angle of sheet rubber material G is changed utilizing such shearing device T to realize is described.The manufacturing process of present embodiment comprises: that is returned to supply conveyer 2 layback by sheet rubber material G retracts operation; Make the change operation that the supply angle of sheet rubber material G changes; That is sent by sheet rubber material G sends operation; And by the cut-out operation of the end section of sheet rubber material G cut-out.
As shown in (a) of Fig. 4, first, sheet rubber material G carries out retracting operation from the state cut off to supply angle [alpha].Now, sheet rubber material G is placed in the air table portion 10 of workbench 3 and is taken out of the conveyer belt 21 of loading unit 12 and supply conveyer 2.In this manual, the supply angle of sheet rubber material G is the angle between the cutting direction W of oblique the cutter 4 and center line Gc of sheet rubber material G.
Retracting in operation, making the conveying roller 20 of supply conveyer 2 reversely rotate and the leading edge Ga of sheet rubber material G is returned to air table portion 10.That is, as shown in (b) of Fig. 4, be taking out of state loading unit 12 not configuring sheet rubber material G.Now, the amount of the retracting e of sheet rubber material G such as measures based on the rotating speed of conveying roller 20.
Next, as shown in (a) of Fig. 5, carry out change operation.In change operation, first, air-supply arrangement 11 is worked, the sheet rubber material G in air table portion 10 is floated.Now, supply the air quantity based on the quality of sheet rubber material G by air quantity adjustment means 11b, therefore, it is possible to make sheet rubber material G float fully, and gauffer can not be produced or roll.In addition, owing to there is no sheet rubber material G, therefore, it is possible to make sheet rubber material G float more fully taking out of loading unit 12.Now, in order to prevent the contact with sheet rubber material G, such as, the framework 35a of carrying device 31 is made to move to the top taking out of loading unit 12.
Next, supply conveyer 2 is moved horizontally around vertical axis 1C, make sheet rubber material G be changed to supply angle θ.Specifically, drive traveling motor, traveling seat 26 is moved along guide rail 25.Thus, the sheet rubber material G on supply the conveyer 2 and sheet rubber material G in air table portion 10 integrally moves horizontally.In addition, now, framework 35a maintains the parastate parallel with the cutting direction W of oblique cutter 4 by slewing equipment 36b.
Next, air-supply arrangement 11 is stopped, sheet rubber material G is placed in the mounting surface 5 in air table portion 10.Now, sheet rubber material G changes supply angle accurately and is placed in mounting surface 5, therefore, inhibits the correction etc. of such as operator.Further, by making air-supply arrangement 11 stop with reducing air quantity gradually, the gauffer of sheet rubber material G can be prevented further or roll.
Next, carry out sending operation.Sending in operation, by carrying device 31, sheet rubber material G is being moved to oblique cutter 4 side.Specifically, framework 35a moves along X-axis and Y direction by means of longitudinal movement member 36 and transverse shifting component 37, sheet rubber material G to be remained on the holding position of regulation.Next, utilize maintaining part 35b to keep sheet rubber material G, and utilize transverse shifting component 37 to be sent to oblique cutter 4 by sheet rubber material G with the amount of feeding δ calculated by following formula (1).
δ=(A/sin θ)+(d × sinZ/2 × sin θ × sin α)+e formula (1)
At this, θ, α, Z, d, e and A are as described below.
θ: the supply angle (degree) of the sheet rubber material after change
α: the supply angle (degree) of the sheet rubber material before change
Z: the angle variable quantity (degree) of the sheet rubber material before and after change
D: the width (mm) of sheet rubber material
E: the amount of retracting (mm) that the sheet rubber material before change returns to supply conveyer layback
A: the beeline (mm) between oblique cutter and vertical axis
(b) of Fig. 5 is the top view of the state sent by sheet rubber material G with the amount of feeding δ obtained based on formula (1).As diagram, when this amount of feeding δ, oblique cutter 4 is configured in the rear end Gd relative to X-direction of the leading edge Ga of sheet rubber material G.Further, about this amount of feeding δ, no matter be when the supply angle of sheet rubber material G before and after changing becomes large situation or supply angle diminishes, oblique cutter 4 can both be configured in the rear end Gd of the leading edge Ga of sheet rubber material G.In addition, Fig. 4 and Fig. 5 shows the situation that supply angle [alpha] > supplies angle θ, but when supplying angle [alpha] < and supplying angle θ, rear end Gd is configured in the other end (being left end in Figure 5) of leading edge Ga.
Further, sending in operation, supply conveyer 2 also can be made to work together with carrying device 31 and be sent to oblique cutter 4 side by sheet rubber material G.In addition, sending in operation, for the sheet rubber material G on conveyer belt 21, the maintenance transfer member of the suction tray with not shown vacuum cup or magnet-type and carrying device 31 work also can made to be sent by sheet rubber material G.
Next, cut-out operation is carried out.As shown in Figure 6, in cut-out operation, utilize oblique cutter 4 by the partial cut comprising leading edge Ga formed because supply angle changes of not part Ge, i.e. the sheet rubber material G of sheet rubber material G.Now, if cut off in the position sending sheet rubber material G with above-mentioned amount of feeding δ, then the not part Ge of sheet rubber material G can be made minimum, thus effectively can utilize sheet rubber material G.Further, according to the difference of the material of sheet rubber material G, sometimes cannot Gd be held in the rear to cut off accurately.In this case, wish that in the above-mentioned formula (1) the apply in a supplementary manner additional amount of feeding σ in sheet rubber material G is to cut off.
Above, sheet rubber shearing device of the present invention is illustrated in detail, but the present invention is not limited to above-mentioned detailed description of the invention, also can changes to variform to implement.

Claims (4)

1. a sheet rubber shearing device, it comprises:
For the oblique cutter device that rectangular sheet rubber material is cut off sideling; With the supply conveyer described sheet rubber material being supplied to described oblique cutter device,
The feature of described sheet rubber shearing device is,
Described oblique cutter device has:
Workbench, it has mounting surface, and this mounting surface loads the sheet rubber material sent here from described supply conveyer; With
Oblique cutter, the described sheet rubber material on described workbench cuts off by it,
Described supply conveyer is configured to move horizontally around vertical axis around described workbench, and the supply angle of described sheet rubber material can be made thus relative to described oblique cutter change,
Described workbench comprises the air table portion with air-supply arrangement, and described air-supply arrangement makes described sheet rubber material float from described mounting surface by air-supply,
Described air-supply arrangement has air quantity adjustment means, and this air quantity adjustment means makes air quantity change according to the quality of described sheet rubber material.
2. sheet rubber shearing device according to claim 1, wherein,
Described sheet rubber shearing device is provided with sheet rubber detection means, and this sheet rubber detection means is placed with the situation of described sheet rubber material on described workbench for detecting,
Described sheet rubber detection means comprises range sensor, and this range sensor irradiates detection light downwards from the top of described workbench, and receives by the described detection light of described sheet rubber material reflects,
The described mounting surface of described workbench comprises: datum level, itself and described sheet rubber material; And recess, it is positioned at than described datum level position on the lower, and described detection illumination is to this recess.
3. sheet rubber shearing device according to claim 2, wherein,
Described range sensor is arranged near described vertical axis or described vertical axis.
4. the sheet rubber shearing device according to any one in claims 1 to 3, wherein,
Described sheet rubber shearing device has carrying device, after the supply angle change just making described sheet rubber material, described sheet rubber material is sent to described oblique cutter device with the amount of feeding δ calculated according to following formula (1) by described carrying device:
δ=(A/sin θ)+(d × sinZ/2 × sin θ × sin α)+e formula (1)
At this, θ, α, Z, d, e and A are as described below,
θ: the supply angle of the sheet rubber material after change, unit is degree;
α: the supply angle of the sheet rubber material before change, unit is degree;
Z: the angle variable quantity of the sheet rubber material before and after change, unit is degree;
D: the width of sheet rubber material, unit is mm;
E: the amount of retracting that the sheet rubber material before change returns to supply conveyer layback, unit is mm;
A: the beeline between oblique cutter and vertical axis, unit is mm.
CN201510003752.8A 2014-02-24 2015-01-05 Sheet rubber disconnecting device Active CN104858918B (en)

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JP2014033190A JP5974027B2 (en) 2014-02-24 2014-02-24 Rubber sheet cutting device
JP2014-033190 2014-02-24

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CN104858918B CN104858918B (en) 2019-06-14

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