CN106424555B - Engineering tire mold pattern block slab die model and its processing method - Google Patents
Engineering tire mold pattern block slab die model and its processing method Download PDFInfo
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- CN106424555B CN106424555B CN201610783945.4A CN201610783945A CN106424555B CN 106424555 B CN106424555 B CN 106424555B CN 201610783945 A CN201610783945 A CN 201610783945A CN 106424555 B CN106424555 B CN 106424555B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C13/00—Moulding machines for making moulds or cores of particular shapes
Abstract
The invention discloses a kind of engineering tire mold pattern block slab die model and its processing methods, comprising the following steps: divides valve situation according to tire tread block, with the pitch of tyre tread, tire tread block is classified；The characteristics of according to sorted tire tread block, determines the basic unit of tire tread block die model；With the machining allowance line of basic unit, the die joint position of tire tread block die model is determined；According to machining allowance and die joint position, the die model of needs will be formed after basic unit combination or splicing one, the moulding for pattern block slab.Pattern block die model structure is designed to separate assembling by the design method of pattern block slab die model of the present invention, reduce the processing quantity of die model, only need the pattern block die model of two kinds of forms of processing, production pattern block slab die model can be completed, the material and processing cost for reducing pattern block blank die model, save the production cost of giant embryo mould product.
Description
Technical field
It is living that the present invention relates to a kind of engineering tire mold pattern block slab die model and its processing method, especially giant tyres
Network mould parts pattern block slab die model and its processing method.
Background technique
Huge tire mold part pattern block is usually spent by the sector that 17 to 21 block numbers are not equal, segment angle is different
Line block, (as shown in Figure 1, being rearranged by 18 pieces of pattern blocks, one to 18 is annular array composition in Fig. 1 in certain sequence
The number of 18 pieces of pattern blocks).As Figure 2-Figure 5, there is pattern groove 1 and flower muscle 2, flower on the knurling section 5 of decorative pattern block structure
The two sides up and down of line part 5 are respectively the setting position of upper die joint 3 and lower die joint 4, and pattern block blank uses cast blank,
Since giant embryo pattern block inner cavity knurling section pitch is (as shown in fig. 7, pattern pitch (tread pattern pitch), i.e., along tire
Face center line 7, the cycling element length of a complete tread contour are divided on the left of circumferential line in pattern pitch 8 and tyre surface
Pattern pitch 9 on the right side of heart line) larger, pattern depth 6 is relatively deep, spends muscle 2 relatively narrow, if by the way of by the casting of outer profile entity
Slab, machining allowance is larger, and after processing decorative pattern, casting flaw is usually revealed, and influences the product quality of pattern block.Cause
This, when slab generally in such a way that the decorative pattern of pattern block inner cavity is cast out slab, not only ensure that the product quality of pattern block, but also
Reduce the blank cost of pattern block.
Cast out decorative pattern, is to be realized in the moulding of pattern block sand mold using the die model moulding for processing decorative pattern.
(as shown in fig. 6, one pair of pattern ring is divided into 18 pieces of pattern blocks, do not divide equally, Fig. 6 from the decorative pattern of pattern block expansion schematic diagram
In one to 18 be 18 pieces of pattern blocks number), by the segment angle and pattern structure point of pattern block, can be classified as K1, K2,
The pattern block of tetra- kinds of K3, K4 different pitches (as shown in Fig. 7 a-7d).That is, one pair of this specification mold pattern block hair of production
Base needs to make moulding of 4 kinds of die models for its sand mold, and the material and processing cost of die model are relatively high, changeable for decorative pattern
It for tire-mold, needs to manufacture many die models, improves die manufacturing cost, and increasing for die model will also result in tire-mold
Machining accuracy cannot reach requirement, and then influence the quality of forming tire.
Summary of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of engineering tire mold pattern block slab use
Pattern block die model is designed to separate assembling, reduces the processing quantity of die model, reduce wood section by the processing method of die model
Material and processing cost.
The present invention also provides a kind of engineering tire mold pattern block slab die models, which is separate assembling, by two
Basic unit repeats to splice and combine, and alleviates the processing burden of die model, not only saves cost, and can guarantee machining accuracy.
The present invention also provides a kind of methods for generating pattern block slab using above-mentioned die model, and this method is by two bases of die model
This unit or so splicing is respectively formed four kinds of pattern blocks, will form pattern block slab after four kinds of pattern blocks or so splicing, guarantees flower
The pattern block slab versatility of the combination precision of line block, generation is stronger.
To achieve the above object, the present invention adopts the following technical solutions:
The processing method of engineering tire mold pattern block slab die model, comprising the following steps:
Step 1: dividing valve situation according to tire tread block, with the pitch of tyre tread, tire tread block is classified；
Step 2: the characteristics of according to sorted tire tread block, determining the basic unit of tire tread block die model；
Step 3: with the machining allowance line of basic unit, determining the die joint position of tire tread block die model；
Step 4: according to machining allowance and die joint position, the wood of needs will be formed after basic unit combination or splicing one
Type, the moulding for pattern block slab.
The processing method of engineering tire mold pattern block slab die model of the invention is suitable for all equal pitchs, does not divide equally feelings
The active mould pattern block of the engineering tire of condition.
In the step 1, premised on pitch to guarantee tire tread block is complete, tire tread block is divided into 4 classes.It is spent
The influence of line block structure, flower rigidity of soft tissues degree needs that pattern block seam crossing is avoided to form blade-like flower muscle, respectively when pattern block divides
The segment angle of pattern block will be different, and type may be up to ten several.It needs to consider when sorting out tire tread block each
It is more fewer better to sort out type under the premise of there is not blade-like flower muscle for the pitch quantity that block pattern block includes.In actual processing
When, it is larger to be classified into 3 class pattern block difficulty, and it is not easy to operate, it can not apply well；5 class pattern blocks are classified into, programming adds
Work and frock cost are higher, and practical difficulty is high；It is classified into 1 class pattern block, entire tire tread block divides valve quantity too many, decorative pattern
The combination precision of block is relatively difficult to guarantee, and formwork versatility is poor, and mold processing cost is also higher.It selects pattern block to be 4 classes, it can be with
Guarantee itself machining accuracy and mutual combination precision well, versatility is also higher in different decorative patterns, adds
Work difficulty is lower, meets actual processing request.
In the step 2, according to the tire tread block for being divided into 4 classes, determine that tire tread block die model is substantially single using 2
Member.
In the step 2 determine basic unit include using spend muscle as starting and width for 1.5 times of pitches Wb+sIt is single
Member, and using pattern groove as starting and width be 0.5 times of pitch WsUnit.It determines and uses Wb+sUnit and WsUnit, the two
The form that unit can splice and combine forms different pattern blocks, simpler using both unit spliced modes, and splicing is logical
It is stronger with property, it is able to satisfy the splicing of die model in the case of different decorative patterns.
In the step 3, for Wb+sUnit, in Wb+sThe reserved machining allowance in unit two sides, by tire tread block die model
Parting Surface Design in Wb+sThe machining allowance line position of unit two sides.Wb+sUnit two sides need to be arranged the machining allowance of flower muscle,
To guarantee spliced die model, reasonable machining allowance is had.
In the step 3, for WsUnit, in WsMachining allowance is reserved on the left of unit, by the parting of tire tread block die model
It designs in W in facesMachining allowance line position on the left of unit.WsUnit is also required to that the machining allowance of flower muscle is arranged in side, in WsIt is single
Reserve machining allowance in first left side, it is ensured that be spliced to Wb+sIn the case where the unit left side, spliced structure two sides can be pre-
Stay machining allowance.
In the step 3, for WsUnit, in WsMachining allowance is reserved on the right side of unit, by the parting of tire tread block die model
It designs in W in facesMachining allowance line position on the right side of unit.In WsMachining allowance is reserved on the right side of unit, it is ensured that be spliced to
Wb+sIn the case where on the right of unit, spliced structure two sides can reserve machining allowance.
In the step 4,2 basic units form the die model of needs by the way of left and right splicing or combination.Splicing side
Formula is simple, simplifies die model production process, accelerates die model formation speed.
Engineering tire mold pattern block slab die model, including the first basic unit and for repeating to splice composition ring structure
Two basic units, first basic unit using spend muscle as starting and width be 1.5 times of pitches, second basic unit with
Pattern groove is as starting and width is 0.5 times of pitch.Die model is arranged to separate assembling, and passes through two basic units
It is spliced, the splicing versatility that the two basic units are arranged is stronger, can satisfy the splicing of the die model of different decorative patterns, substantially
Between unit to splice and combine precision higher.
The method for generating pattern block slab using die model, comprising the following steps:
First basic unit and the second basic unit are respectively formed the first pattern block, the second flower in the form of left and right splicing
Line block, third pattern block and the 4th pattern block press the first pattern block, the second pattern block, third pattern block and the 4th pattern block
Setting sequence connects to form annular pattern block casting base in the form of left and right splicing.With two basic units of die model with left and right splicing
Form group is shaped to four kinds of pattern blocks, and further four kinds of pattern blocks are also combined into pattern block slab in the form of the splicing of left and right, entirely
Pattern block slab splices and combines that precision is higher, and the mode for generating pattern block slab is simpler easy to operate, and the decorative pattern generated
Block casting base versatility is stronger.
Wherein, the step of forming the first pattern block are as follows:
Machining allowance is reserved on the right side of the second basic unit, in the reserved machining allowance in the first basic unit two sides, by the
Two basic unit spliceds form the first pattern block on the right side of the first basic unit.
The step of forming the second pattern block are as follows:
Two the second basic units are taken, machining allowance is reserved on the left of first the second basic unit, at second the
Machining allowance is reserved on the right side of two basic units, it is basic by first second in the reserved machining allowance in the first basic unit two sides
Unit spliced is on the left of the first basic unit, by second the second basic unit splicing on the right side of the first basic unit, after the completion
Entire pattern block vertical direction is overturn into 180 degree, forms the second pattern block.
The step of forming third pattern block are as follows:
Machining allowance is reserved on the left of the second basic unit, in the reserved machining allowance in the first basic unit two sides, by the
Two basic unit spliceds form third pattern block on the left of the first basic unit.
The step of forming four pattern blocks are as follows:
Two the second basic units are taken, machining allowance is reserved on the left of first the second basic unit, at second the
Machining allowance is reserved on the right side of two basic units, it is basic by first second in the reserved machining allowance in the first basic unit two sides
Unit spliced is on the left of the first basic unit, by the splicing of second the second basic unit on the right side of the first basic unit, forms the
Four pattern blocks.
The invention has the benefit that
Pattern block die model structure is designed to separate assembling by the processing method of pattern block slab die model of the present invention, is reduced
The processing quantity of die model, it is only necessary to which the pattern block die model for processing two kinds of forms can be completed production pattern block slab die model, reduce
The material and processing cost of pattern block blank die model, save the production cost of giant embryo mould product.
Detailed description of the invention
Fig. 1 is tire tread block structural schematic diagram；
Fig. 2 is tire tread block pattern structure main view；
Fig. 3 is tire tread block pattern structure side view；
Fig. 4 is B-B sectional view in Fig. 2；
Fig. 5 is C-C sectional view in Fig. 2；
Fig. 6 is that tire tread block decorative pattern is unfolded and divides valve situation schematic diagram；
Fig. 7 a is K1 pattern block schematic diagram；
Fig. 7 b is K2 pattern block schematic diagram；
Fig. 7 c is K3 pattern block schematic diagram；
Fig. 7 d is K4 pattern block schematic diagram；
Fig. 8 a is WsCell schematics；
Fig. 8 b is Wb+sCell schematics；
Fig. 9 a is WsUnit parting Surface Design schematic diagram；
Fig. 9 b is Wb+sUnit parting Surface Design schematic diagram；
Fig. 9 c is another form WsUnit parting Surface Design schematic diagram；
In figure, 1 pattern groove, 2 spend muscle, die joint on 3,4 lower die joints, 5 knurling sections, 6 pattern depths, 7 tread centers
Line, 8 circumferential lines left side pattern pitch, 9 circumferential lines right side pattern pitch, 10 machining allowance lines.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
General giant embryo decorative pattern block structure, pitch, piecemeal, decorative pattern upper and lower side relationship and arrangement feature have following in industry
Shared feature:
1, decorative pattern is equal pitch arrangement；
2, most pattern pitch numbers cannot be divided valve number to divide exactly (in such as Fig. 6,38 pitches, 18 pieces of pattern blocks)；
3, upper and lower end decorative pattern relationship is along tire top symmetrical rotary.
The division of pattern block number, it is related with the pitch number of decorative pattern, it is the adhesion of the design of pattern pitch and tire, wear-resisting
The performances such as property, rolling resistance, noise, vibration, self-cleaning are related.
Determine that pattern block divides the basic principle of valve number:
1. the pattern pitch on each piece of pattern block is as complete as possible；
2. the size and weight of single-piece pattern block should consider that its safety, the convenience of processing and moderate property (mitigate mould
Have load of the pattern block to gib block, and facilitate the processing and carrying of mould parts)；
3. pattern block pitch quantity, be as far as possible decorative pattern number of blocks integer multiple (when actual design, relative to this because
Element guarantees that decorative pattern performance is more important)；
4. piecemeal is considered as the integrated degree of decorative pattern muscle or steel disc etc., it is excessively thin to avoid the occurrence of local decorative pattern muscle, leads to mold
In use process, the local deformation of decorative pattern muscle occurs.
By Fig. 6 tire tread block patttern plan, the pattern block of 4 kinds of pattern structures can be classified as.Cast this specification
Pattern block, industry is usually to manufacture 4 different die models of pattern structure.
For the material and processing charges for reducing die model, the production cost of huge tire mold part pattern block blank is reduced,
The processing method that the present invention proposes a kind of pattern blocks of tire mold slab die model.
Embodiment 1:
As shown in fig. 6, what tyre tread was all made of the pitch arranged according to certain rule, pitch is by flower muscle 2 again
It is formed with pattern groove 1.The pitch of one colored muscle 2 and a pattern groove 1 composition, referred to as cell pitch.
Divide valve situation analysis from tire-mold part pattern block, pattern block can be divided into 4 kinds of specifications, block K1, block K2, block K3
With block K4:
Pattern block is sorted out related with the pitch quantity that each piece of pattern block includes.In the premise for blade-like decorative pattern do not occur
Under, it is more fewer better to sort out type.In actual processing, it is larger to be classified into 3 class pattern block difficulty；5 class pattern blocks are classified into, are compiled
Journey, processing and frock cost are higher.For the casting cost for reducing pattern block, in the case where guaranteeing the enough situations of machining allowance, this hair
Bright selection is classified as 4 class pattern blocks.
As shown in Fig. 7 a- Fig. 7 d, block K1, to spend muscle 2 to originate, width is 2 cell pitch, and tire centerline left and right sides is spent
Line is after tire top rotation, alternate is dislocatedly distributed；
Block K2, with spend muscle 2 originate, width be 2.5 pitches, and tire centerline left and right sides decorative pattern be along tire top rotation after,
It is alternate to be dislocatedly distributed；
Block K3, with pattern groove 1 starting, width be 2 pitches, and tire centerline left and right sides decorative pattern be along tire top rotation after,
It is alternate to be dislocatedly distributed；
Block K4, with the starting of pattern groove 1, width is 2.5 pitches, and tire centerline left and right sides decorative pattern is to rotate along tire top
Afterwards, alternate to be dislocatedly distributed.
Decorative pattern on this 4 kinds of tire-mold part pattern blocks is analyzed, the decorative pattern of every kind of pattern block is obtained, all includes
It take the width for spending muscle to originate as the decorative pattern W of 1.5 pitchesb+sUnit, and the width comprising being originated with pattern groove are 0.5 pitch
Decorative pattern WsUnit, as shown in Figure 8 a-8b.The basic unit of pattern block die model use is determined the present invention is based on pitch.It is all
Equal pitch, the active mould pattern block of engineering tire for not dividing equally situation can use two basic units.
By decorative pattern Wb+s1 decorative pattern W is combined on the right side of unitsUnit constitutes the decorative pattern of pattern block K1；
By decorative pattern Wb+s1 decorative pattern W is combined on the left of unitsUnit constitutes the decorative pattern of pattern block K3；
By decorative pattern Wb+sUnit left and right side respectively combines 1 decorative pattern WsUnit constitutes the decorative pattern of pattern block K4；
The surplus for adjusting die joint under tire-mold part pattern block, keeps pattern block upper and lower end face size identical, pattern block
The decorative pattern of K4 is identical as the decorative pattern of pattern block K2.
Die model is changed to separate structure, several pattern structure basic units is designed, passes through different basic units, group
Close or be spliced into the die model of different structure, size, so that it may complete different segment angles, different decorative patterns pattern block slab moulding.
Existing pattern block die model uses separate structure, by comprising being the decorative pattern W of 1.5 pitches to spend the width of muscle startingb+sIt is single
Member, and the width comprising being originated with pattern groove are the decorative pattern W of 0.5 pitchsTwo kinds of die model compositions of unit, Wb+sUnit, WsUnit
Respectively different decorative pattern basic units, Wb+s、WsTwo kinds of decorative pattern basic units, can be respectively combined into Wb+s+Ws、Ws+Wb+s+
Ws、Ws+Wb+sDeng 3 kinds of different die models, for completing the moulding work of different segment angles, different decorative pattern pattern blocks.
The determination of separate assembling die model die joint.Wb+s、WsIt, cannot be separately as wood for different decorative pattern basic units
Type is used for moulding.Die model needs to be arranged corresponding machining allowance, to guarantee spliced die model, has reasonable machining allowance.
Wb+sThe two sides of unit, both sliceable other units were combined into die model, can also occur in the form of die model edge, two sides are necessary
Machining allowance comprising flower muscle.When designing die model, for convenience of producing, need to reserve the machining allowance of each die model combination two sides,
As shown in figures 9 a-9 c, for decorative pattern basic unit Wb+s, by parting Surface Design its two sides 10 position of machining allowance line；For
Decorative pattern basic unit Ws, two kinds of situations are designed, one is 10 position of machining allowance line by parting Surface Design to the left, due to
Wb+sThe two sides of unit contain the machining allowance of colored muscle, and right side is no longer arranged machining allowance, and another situation is by parting Surface Design
10 position of machining allowance line on the right side of it, machining allowance is no longer arranged in left side, to ensure Wb+s、WsTwo kinds of decorative pattern basic units,
W after compositionb+s+Ws、Ws+Wb+s+Ws、Ws+Wb+sDeng the machining allowance of 3 kinds of different die model two sides.
According to machining allowance and die joint position, W is manufacturedb+s、WsTwo kinds of decorative pattern basic unit die models add after combined integrated
Work decorative pattern is combined into three kinds of required die models, the moulding for this specification pattern block slab.
By calculating, to slab moulding, die model material and processing cost about 75% are saved with the separate assembling die model.
Embodiment 2:
Engineering tire mold pattern block slab die model splices the first basic unit for forming ring structure (i.e. including repeating
Wb+sUnit) and the second basic unit (i.e. WsUnit), the first basic unit using spend muscle as starting and width be 1.5 times of pitches,
Second basic unit is using pattern groove as starting and width is 0.5 times of pitch.Die model is arranged to separate assembling, and passes through two
A basic unit can be spliced, and the splicing versatility that the two basic units are arranged is stronger, can satisfy different decorative patterns
The splicing of die model, between basic unit to splice and combine precision higher.
Embodiment 3:
The method for generating pattern block slab using die model, comprising the following steps:
By the first basic unit (i.e. Wb+sUnit) and the second basic unit (i.e. WsUnit) with the form difference of left and right splicing
Form the first pattern block (i.e. block K1), the second pattern block (i.e. block K2), third pattern block (i.e. block K3) and the 4th pattern block (i.e. block
K4), the form the first pattern block, the second pattern block, third pattern block and the 4th pattern block spliced by setting sequence with left and right
Connection forms annular pattern block casting base.By two basic units of die model, group is shaped to four kinds of pattern blocks in the form of the splicing of left and right,
Further four kinds of pattern blocks are also combined into pattern block slab in the form of the splicing of left and right, and entire pattern block slab splices and combines precision
Higher, the mode for generating pattern block slab is simpler easy to operate, and the pattern block slab versatility generated is stronger.
Wherein, the step of forming the first pattern block are as follows:
In the second basic unit (i.e. WsUnit) the reserved machining allowance in right side, in the first basic unit (i.e. Wb+sUnit) two
The reserved machining allowance in side, by the second basic unit (i.e. WsUnit) splice in the first basic unit (i.e. Wb+sUnit) right side, shape
At the first pattern block.
The step of forming the second pattern block are as follows:
Take two the second basic unit (i.e. WsUnit), in first the second basic unit (i.e. WsUnit) left side is reserved
Machining allowance, in second the second basic unit (i.e. WsUnit) the reserved machining allowance in right side, in the first basic unit (i.e. Wb+s
Unit) the reserved machining allowance in two sides, by first the second basic unit (i.e. WsUnit) splicing the first basic unit (i.e.
Wb+sUnit) left side, by second the second basic unit (i.e. WsUnit) splice in the first basic unit (i.e. Wb+sUnit) right side,
Entire pattern block vertical direction is overturn into 180 degree after the completion, forms the second pattern block.
The step of forming third pattern block are as follows:
In the second basic unit (i.e. WsUnit) the reserved machining allowance in left side, in the first basic unit (i.e. Wb+sUnit) two
The reserved machining allowance in side, by the second basic unit (i.e. WsUnit) splice in the first basic unit (i.e. Wb+sUnit) left side, shape
At third pattern block.
The step of forming four pattern blocks are as follows:
Take two the second basic unit (i.e. WsUnit), in first the second basic unit (i.e. WsUnit) left side is reserved
Machining allowance, in second the second basic unit (i.e. WsUnit) the reserved machining allowance in right side, in the first basic unit (i.e. Wb+s
Unit) the reserved machining allowance in two sides, by first the second basic unit (i.e. WsUnit) splicing the first basic unit (i.e.
Wb+sUnit) left side, by second the second basic unit (i.e. WsUnit) splice in the first basic unit (i.e. Wb+sUnit) right side,
Form the 4th pattern block.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (7)
1. the processing method of engineering tire mold pattern block slab die model, characterized in that the following steps are included:
Step 1: dividing valve situation according to tire tread block, with the pitch of tyre tread, tire tread block is classified；
Step 2: the characteristics of according to sorted tire tread block, determining the basic unit of tire tread block die model；
Step 3: with the machining allowance line of basic unit, determining the die joint position of tire tread block die model；
Step 4: according to machining allowance and die joint position, the die model of needs will be formed after basic unit splicing one, for spending
The moulding of line block casting base；
In the step 1, premised on pitch to guarantee tire tread block is complete, tire tread block is divided into 4 classes；The step
In 2, according to the tire tread block for being divided into 4 classes, determine tire tread block die model using 2 basic units；
In the step 2 determine basic unit include using spend muscle as starting and width for 1.5 times of pitches Wb+sUnit, and
It is the W of 0.5 times of pitch using pattern groove as starting and widthsUnit.
2. processing method as described in claim 1, characterized in that in the step 3, for Wb+sUnit, in Wb+sUnit two
The reserved machining allowance in side, by the parting Surface Design of tire tread block die model in Wb+sThe machining allowance line position of unit two sides.
3. processing method as described in claim 1, characterized in that in the step 3, for WsUnit, in WsIt is pre- on the left of unit
Machining allowance is stayed, by the parting Surface Design of tire tread block die model in WsMachining allowance line position on the left of unit；Alternatively, described
In step 3, for WsUnit, in WsMachining allowance is reserved on the right side of unit, by the parting Surface Design of tire tread block die model in WsIt is single
The machining allowance line position on first right side.
4. processing method as described in claim 1, characterized in that in the step 4,2 basic units are using left and right splicing
Mode form the die models of needs.
5. the method that utilizing works placenta pattern block slab generates pattern block slab with die model, the die model includes repeating to splice
The first basic unit and the second basic unit of ring structure are formed, first basic unit is to spend muscle as starting and width
For 1.5 times of pitches, second basic unit is using pattern groove as starting and width is 0.5 times of pitch, characterized in that including with
Lower step:
First basic unit and the second basic unit are respectively formed the first pattern block, the second decorative pattern in the form of left and right splicing
Block, third pattern block and the 4th pattern block, by the first pattern block, the second pattern block, third pattern block and the 4th pattern block by setting
Fixed sequence connects to form annular pattern block casting base in the form of left and right splicing.
6. method as claimed in claim 5, characterized in that the step of forming the first pattern block are as follows:
Machining allowance is reserved on the right side of the second basic unit, in the reserved machining allowance in the first basic unit two sides, by the second base
This unit spliced forms the first pattern block on the right side of the first basic unit；
The step of forming the second pattern block are as follows:
Two the second basic units are taken, machining allowance are reserved on the left of first the second basic unit, in second the second base
Machining allowance is reserved on the right side of this unit, in the reserved machining allowance in the first basic unit two sides, by first the second basic unit
Splicing, after the completion will be whole by second the second basic unit splicing on the right side of the first basic unit on the left of the first basic unit
A pattern block vertical direction overturns 180 degree, forms the second pattern block.
7. method as claimed in claim 5, characterized in that the step of forming third pattern block are as follows:
Machining allowance is reserved on the left of the second basic unit, in the reserved machining allowance in the first basic unit two sides, by the second base
This unit spliced forms third pattern block on the left of the first basic unit；
The step of forming four pattern blocks are as follows:
Two the second basic units are taken, machining allowance are reserved on the left of first the second basic unit, in second the second base
Machining allowance is reserved on the right side of this unit, in the reserved machining allowance in the first basic unit two sides, by first the second basic unit
Splicing by second the second basic unit splicing on the right side of the first basic unit, forms the 4th flower on the left of the first basic unit
Line block.
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| EP0451832A2 (en) * | 1990-04-13 | 1991-10-16 | PIRELLI COORDINAMENTO PNEUMATICI S.p.A. | A mold and method of tyre curing and method for mold manufacturing |
| WO1999048674A1 (en) * | 1998-03-23 | 1999-09-30 | Tp-Tools Oy | A casting model and a method in the manufacture of a casting model |
| WO2000020184A1 (en) * | 1998-10-08 | 2000-04-13 | The Goodyear Tire & Rubber Company | Multiple insert tire mold and assembly method |
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| JP3165137B2 (en) * | 1999-06-11 | 2001-05-14 | 日本碍子株式会社 | Manufacturing method of tire molding die |
| JP4421473B2 (en) * | 2002-05-23 | 2010-02-24 | 株式会社ブリヂストン | Tire mold piece and piece type tire mold |
| JP2007290202A (en) * | 2006-04-24 | 2007-11-08 | Toyo Tire & Rubber Co Ltd | Tire molding mold and pneumatic tire molded by the mold |
| JP4903822B2 (en) * | 2009-02-10 | 2012-03-28 | 住友ゴム工業株式会社 | Mold for tire |
| JP5513345B2 (en) * | 2010-11-02 | 2014-06-04 | 株式会社ブリヂストン | Vulcanization mold for spike tire and spike tire |
| WO2016084983A1 (en) * | 2014-11-28 | 2016-06-02 | Compagnie Generale Des Etablissements Michelin | Molding element for improved preparation efficiency |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0451832A2 (en) * | 1990-04-13 | 1991-10-16 | PIRELLI COORDINAMENTO PNEUMATICI S.p.A. | A mold and method of tyre curing and method for mold manufacturing |
| WO1999048674A1 (en) * | 1998-03-23 | 1999-09-30 | Tp-Tools Oy | A casting model and a method in the manufacture of a casting model |
| WO2000020184A1 (en) * | 1998-10-08 | 2000-04-13 | The Goodyear Tire & Rubber Company | Multiple insert tire mold and assembly method |
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