CN106270763A - A kind of pattern blocks of tire mold blanking cutting method and scoring tool - Google Patents
A kind of pattern blocks of tire mold blanking cutting method and scoring tool Download PDFInfo
- Publication number
- CN106270763A CN106270763A CN201610722751.3A CN201610722751A CN106270763A CN 106270763 A CN106270763 A CN 106270763A CN 201610722751 A CN201610722751 A CN 201610722751A CN 106270763 A CN106270763 A CN 106270763A
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- Prior art keywords
- line
- cut
- sheet material
- scoring tool
- tire mold
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D49/00—Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
- B23D51/04—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for feeding, positioning, clamping, or rotating work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of pattern blocks of tire mold blanking cutting method and scoring tool, angle by unified pattern block line of cut, cut again after sheet material is rule, use scoring tool that plate carries out the line of line of cut, the angle that bottom one hypotenuse of scoring tool and chi plate, place straight line is formed is 90 ° of 360 °/2n, n >=6, n is that pattern block divides lobe quantity, can effectively ensure that the line of follow-up line of cut and centrage, improve line efficiency and precision, the work efficiency of crossed process improves about 20%；By the determination of scoring tool, simplify and determine counting of pattern block line of cut, line is simple, is effectively increased production efficiency, simultaneously, it is to avoid adjust the setting of cushion block in traditional method.
Description
Technical field
The present invention relates to tire-mold, more particularly to a kind of pattern blocks of tire mold blanking cutting method and router
Tool.
Background technology
The part of tyre adjustable die die cavity, in annular, is the pattern block annular array by polylith sector, is put together
(as shown in Figure 1), these lambrequin blocks are the blanks become by plate cutting, are then processed into respectively the above and below of aluminium sheet
The profile of pattern block and inner chamber.Different according to tire-mold specification, point lobe quantity of the pattern block of a secondary mould is the most different,
Its quantity mostly is 8,9,10 lobes.Every piece of pattern block sector corner dimension must set according to mold pattern shape, make split and
The pattern block become can constitute one and complete not have defective die cavity.
Because patterned aluminum block cuts according to tyre tread, for ensureing the integrity of decorative pattern, during cutting, pattern block
Using inequality to cut to cut, the fan-shaped angle of every piece of pattern block is variant, changes, require that its angle has simultaneously between 30-65 degree
There is the highest precision.The method of traditional blank cutting is the block blank that plate cutting becomes size identical, further according to flower
The size of stricture of vagina block removes extra material.But this method needs removal amount many, the waste to material is serious.
For saving material as far as possible, reduce processing cost, the most often according to the angle of pattern block, by outside adjacent block
Shape face and inner hole surface reversed arrangement, (as shown in Figure 2), by the angular bisector of adjacent two pieces of pattern block perps lines, as pattern block
Line of cut, cut, it is ensured that the effective utilization to material.But patterned aluminum block inequality is cut and is cut, the fan of every piece of pattern block
Clevis angle 1 is variant, changes between 30-65 degree.During cutting, with the angle bisection of angle between adjacent two pieces of pattern block perps lines
Line, as line of cut (as shown in Figure 3), is made by the angular bisector 4 of B, C block perps constituted between B block perps 2 and C block perps 3
For line of cut, the most each pattern block cutting angle of line of cut on billot aluminium sheet is the most different, and this is to patterned aluminum block blank
Line, the production efficiency of sawing operation on billot aluminium sheet have a significant impact；Additionally, as shown in Figure 4, such sheet material is at dress
During folder cutting, need between clamp parallels 7 and sheet material, increase adjustment cushion block 6 and coordinate the blade position of cast-cutting saw, during cutting
Waste more cutting alignment time, cause production efficiency low.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the invention provides a kind of pattern blocks of tire mold blanking cutting side
Method, can effectively be simplified the scribe step of pattern block, be effectively improved the production efficiency of crossed process by the use of the method.
Additionally provide pattern blocks of tire mold blanking cutting scoring tool, use this scoring tool cutting-up secant end points to subtract
Few, can conveniently find out centrage and the line of cut of pattern block, be effectively improved the production efficiency of crossed process.
In order to reach above-mentioned purpose, the present invention adopts the following technical scheme that
First technical scheme: a kind of pattern blocks of tire mold blanking cutting method, by unified pattern block line of cut
Angle, cuts after ruling on sheet material again；Angle by unified line of cut, it is to avoid use decorative pattern in traditional method
The angle angular bisector of block, as line of cut, facilitates cutting process, it is to avoid centering to line of cut during traditional cutting, sawing
The work efficiency of operation is improved.
Second technical scheme: a kind of pattern blocks of tire mold blanking cutting method, carries out the line of line of cut to plate,
Institute's cutting-up secant is 90 °-360 °/2n with the angle of place, the long limit straight line formation of plate, n >=6, and n is that pattern block divides lobe quantity,
The use of the method, it is to avoid tradition determines two points on each line of cut by angular bisector method, it is only necessary to find out cutting
The starting point of line, coordinates scoring tool, has saved the centering alignment time, has been conducive to improving processing speed.
The 3rd technical scheme that the present invention provides is: a kind of pattern blocks of tire mold blanking cutting method, concrete steps
As follows:
1) determine quantity n of pattern block, and starting point is carved in the position of pre-cutting-up secant on sheet material；
2) line of cut is rule on sheet material by scoring tool, it is ensured that line of cut and place, sheet material long limit linear
The angle become is 90 °-360 °/2n, n >=6；
3) scoring tool is rule by starting point, and mobile scoring tool carries out the line of a plurality of line of cut, adjacent flower
Stricture of vagina block is oppositely arranged on sheet material；
4) oblique fixed plate, cuts along cut-off rule.
By the cutting method of arrangement above, not only on sheet material, line is simple, can quickly delimit line of cut and pattern block
Centrage, and when clamping sheet material cuts, relatively simple convenience, save man-hour.
Further, in described step 4) middle employing stationary fixture fixed plate is on sawing machine, and line of cut is towards cutting
Saw.
Further, described stationary fixture includes stationary clamp and mobile clamp.
Further, because of fan-shaped pattern block, in order to ensure that pattern block is corresponding with the cutting position of cast-cutting saw, in cutting
Time, sheet material needs to be obliquely installed, arranges the first clamp parallels between described stationary clamp and sheet material, at sheet material and mobile clamp
Between be provided with the second clamp parallels, the angle of inclination of the first clamp parallels and the second clamp parallels inner surface is identical.
Further, the line of cut of part pattern block is parallel with blade position, mobile sheet material, by saw blade cutting and its position
Parallel line of cut.
Further, in described step 4) in, make sheet material court by overturning the first clamp parallels and the second clamp parallels
Arrange to other direction, mobile sheet material, saw blade cut now parallel with its position line of cut.
The 4th technical scheme that the present invention provides is: pattern blocks of tire mold blanking cutting scoring tool, including:
Rod support；
Chi plate, is located at rod support upper surface middle part, leaves right angle step for by plate bottom chi plate and between rod support upper surface
Material is stuck at this step and sheet material is fitted with chi plate, it is preferable that described scoring tool is provided with bilateral right angle step；
The angle that bottom one hypotenuse of chi plate and chi plate, place straight line is formed is 90 °-360 °/2n, n >=6.
By the setting of this scoring tool, can facilitate and pattern block line of cut on sheet material is found accurately, simple and convenient.
Further, in order to simplify structure, the described trapezoidal setting of chi plate, right angle step is located at trapezoidal following.
Another technical scheme that the present invention provides is:
A kind of pattern blocks of tire mold blanking cutting method, specifically comprises the following steps that
1) determine quantity n of pattern block, and starting point is carved in the position of pre-cutting-up secant on sheet material；
2) placing the angle of place straight line formation bottom scoring tool, one hypotenuse of scoring tool and chi plate on sheet material is
90 °-360 °/2n, n >=6；
3) hypotenuse along scoring tool is rule by starting point on sheet material, and mobile scoring tool carries out a plurality of cutting
The line of secant, and find out the centrage as every section of pattern block of the center line therebetween, adjacent lugs is on sheet material
Oppositely arranged；As long as so can ensure that the starting point of line of cut and centrage, it is possible to determine whole piece line of cut and centrage, phase
The point determined for currently existing scheme line is less, can be effectively improved production efficiency；
4) oblique fixed plate, cuts along cut-off rule.
The invention has the beneficial effects as follows:
1) by leaving right angle step bottom chi plate and between rod support upper surface, this step for being stuck in this step by sheet material
Place makes sheet material fit with chi plate, and the line of follow-up line of cut and centrage is effectively ensured, and improves line efficiency and precision, draws
The work efficiency of line procedures improves about 20%.
2) by the determination of scoring tool, simplifying and determine counting of pattern block line of cut, line is simple, is effectively increased
Production efficiency, simultaneously, it is to avoid traditional method adjusts the setting of cushion block.
3) whole cutting method, it is to avoid centering to line of cut during traditional cutting, the work efficiency of sawing operation improves
About 25%.
4) can make scoring tool and the clamp parallels of different angles according to point lobe number of pattern block, improve difference
Divide lobe number pattern block in line, the production efficiency of cutting action, reduction of erection time, reduce cost.
Accompanying drawing explanation
Fig. 1 is pattern block blank schematic diagram；
Fig. 2 is that aluminium sheet cuts schematic diagram；
Fig. 3 is conventional cutting method schematic diagram；
Fig. 4 is tradition cutting centering schematic diagram；
Fig. 5 is the schematic diagram after unified line of cut angle；
Fig. 6 is that scoring tool of the present invention fixes schematic diagram；
Fig. 7 is scoring tool structural representation of the present invention；
Fig. 8 is that the present invention rules sheet material clamping schematic diagram after unified cutting angle；
Fig. 9 is angular bisector of the present invention, the surplus situation comparison diagram of unified cut-off rule；
Figure 10 is the enlarged drawing of part-structure in Fig. 3；
Wherein, 1-sector angle；2-B block perps；3-C block perps；The angular bisector of 4-B, C block perps；5-pressing plate；6-adjusts
Whole cushion block；7-clamp parallels；8-stationary clamp；9-moves clamp；10-line of cut；11-chi plate；12-rod support；13-the first clamp
Parallels, 14-the second clamp parallels, 15-blade position, 16-centrage.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description.
Embodiment 1
Pattern blocks of tire mold blanking cutting scoring tool, as it is shown in fig. 7, comprises:
Rod support 12；
Chi plate 11, is located at rod support 12 upper surface middle part, leaves right angle step bottom chi plate 11 and between rod support 12 upper surface
For being stuck in by sheet material at this step, sheet material is fitted with chi plate 11；
The angle that bottom one hypotenuse of chi plate 11 and chi plate 11, place straight line is formed is 90 °-360 °/2n, n >=6.
By the setting of this scoring tool, conveniently pattern block line of cut on sheet material is found accurately, simple and convenient.
Described scoring tool is provided with bilateral right angle step, when the line of cut of a pattern block is rule, and line
Instrument can be by overturning scoring tool along panel length direction, it is achieved the delimitation of the both sides line of cut of one piece of pattern block.
In order to simplify structure, the described trapezoidal setting of chi plate 11.
Embodiment 2
For because of line of cut different, give line, the various rough sledding brought of cutting action, by pattern block line of cut
Angle unify, to reach to facilitate the line of pattern block line of cut, cutting action, working (machining) efficiency can be improved, shorten processing
In the cycle, reduce the purpose of mould parts production cost.
Tire-mold specification is different, and point lobe quantity of pattern block is the most different, mostly is 8,9,10 lobes.Now with 8 hemp nettle stricture of vaginas
As a example by block, the improvement to unified pattern block line of cut angle, it is analyzed in line, the processing situation of cutting action, contrasts.
1,8 lobe pattern block, its fan-shaped angle changes between 40 degree to 50 degree.Ensureing perps allowance, reserving and cut
On the premise of scarfing, become 22.5 ° (half of 45 °) (such as Fig. 5 institute with pattern block centrage unified for line of cut angle being adjusted to
Show).
2, the straightedge rule of making 22.5 ° is as scoring tool, and this straightedge rule includes chi plate and rod support two parts, passes through
Right angle step between chi plate and rod support, is stuck in side face of plate material by this right angle step by straightedge rule, with side face of plate material as base
Standard, a hypotenuse along chi plate draws ± 22.5 ° of lines of cut 10, along right-angle side line centering centrage 16 (as shown in Figure 6).
3, during line, the first starting point marking every two pieces of pattern block lines of cut in aluminium sheet side and every piece of pattern block centrage
Starting point, then with straightedge rule, mark centrage 16 and line of cut 10 according to starting point.Only draw pattern block centrage 16 and cutting
The starting point of line, the point that line determines is few, is equipped with again straightedge rule auxiliary and marks pattern block centrage 16 and line of cut, router
The production efficiency of sequence is significantly improved.
4, the aluminium sheet pulling line is placed on sawing machine cutting.
Devise one group, first clamp parallels 13 and the second clamp parallels 14 of two pieces 22.5 °, aluminium sheet is placed on two pieces
In the clamp parallels that inner surface is placed in parallel, adjust mobile clamp, fastening aluminium sheet (sheet material), gradually move aluminium sheet, gradually carry out
Cutting with the line of cut that cast-cutting saw blade position is paralleled；Overturn two blocks of clamp parallels, fasten aluminium sheet, gradually carry out another group
The cutting of parallel line of cut.
After reunification, sawing operation eliminates " relevant position of clamp parallels increases and adjusts cushion block and carry out line of cut angle
Adjust " the centering operating time (as shown in Figure 8), the production efficiency of cutting action is significantly improved.
After we are to unified line of cut angle, " whether material usage increases " and " pattern block perps allowance distribution feelings
The change of condition " etc. situation, carried out analyze, calculate and contrast.The patterned aluminum block of 16 specifications, wherein, pattern block are selected at random
Segment angle minima is 40.42 °, pattern block segment angle maximum is 49.13 °；Pattern block differential seat angle minima is 0.74 °, flower
Stricture of vagina block differential seat angle maximum is 8.71 °.Analyze, result of calculation is: after unified line of cut angle, and pattern block line of cut increments is
Little value, maximum, meansigma methods are respectively as follows :-0.088mm/ block, 0.35mm/ block, 0.152mm/ block, and pattern block billot increases ratio
Minima, maximum, meansigma methods are respectively as follows: for-0.03%, 0.12%, 0.051%/pair (as shown in table 1).From statistical data
Seeing, the ratio that pattern block material usage increases is smaller, negligible, after therefore unifying line of cut angle, although materials have
Being increased, but increasing degree is little, work efficiency is then significantly increased.
When former line of cut is the angular bisector of perps, perps surplus is uneven, after unified partition seam angle, and pattern block perps
The distribution situation of allowance is varied from, the block that former segment angle is little, and surplus becomes big, that former segment angle is big block, and surplus diminishes
, the numerical value of surplus shifts (as shown in Figure 9), but change is little, does not affect rough milling operation, negligible.
5, for the pattern block of 9 lobes, its fan-shaped angle changes between 35 degree to 45 degree, line of cut angle is unified be with
Pattern block centrage becomes 20 degree.During line, use the scoring tool of 20 °.When using sawing machine cutting, for ease of the clamping of workpiece,
Use the clamp specially parallels of 20 °.
6, for the pattern block of 10 lobes, its fan-shaped angle changes between 30-40 degree, by unified for line of cut angle is and flower
Stricture of vagina block centrage becomes 18 degree.During line, use the scoring tool of 18 °.When using sawing machine cutting, for ease of the clamping of workpiece, adopt
With the clamp specially parallels of 18 °.
After the unified cutting angle of table 1, materials length information slip
Embodiment 3
The present embodiment with the difference of embodiment 2 is: as be the angle of unified line of cut, specific practice is: use angulation
After device determines another point of line of cut, the starting point that on sheet material, the position of anticipated line is carved, both lines are as cutting
Line.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (11)
1. a pattern blocks of tire mold blanking cutting method, it is characterised in that by unifying the angle of pattern block line of cut,
Cut again after ruling on sheet material.
2. a pattern blocks of tire mold blanking cutting method, it is characterised in that plate is carried out the line of line of cut, institute's cutting-up
Secant is 90 °-360 °/2n with the angle of place, the long limit straight line formation of plate, and n >=6, n is that pattern block divides lobe quantity.
3. a pattern blocks of tire mold blanking cutting method, it is characterised in that specifically comprise the following steps that
1) determine quantity n of pattern block, and starting point is carved in the position of pre-cutting-up secant on sheet material；
2) line of cut is rule on sheet material by scoring tool, it is ensured that line of cut is formed with place, sheet material long limit straight line
Angle is 90 °-360 °/2n, n >=6；
3) scoring tool is rule by starting point, and mobile scoring tool carries out the line of a plurality of line of cut, adjacent lugs
On sheet material oppositely arranged；
4) oblique fixed plate, cuts along cut-off rule.
4. a kind of pattern blocks of tire mold blanking cutting method as claimed in claim 3, it is characterised in that in described step 4)
Middle employing stationary fixture fixed plate is on sawing machine, and line of cut is towards cast-cutting saw.
5. claim 4 or as described in a kind of pattern blocks of tire mold blanking cutting method, it is characterised in that described fixation clamp
Tool includes stationary clamp and mobile clamp.
6. a kind of pattern blocks of tire mold blanking cutting method as claimed in claim 5, it is characterised in that at described fixation clamp
Between pincers and sheet material, the first clamp parallels is set, between sheet material and mobile clamp, is provided with the second clamp parallels, the first clamp pad
The angle of inclination of ferrum and the second clamp parallels inner surface is identical.
7. a kind of pattern blocks of tire mold blanking cutting method as claimed in claim 3, it is characterised in that part pattern block
Line of cut is parallel with blade position, mobile sheet material, the line of cut parallel with its position by saw blade cutting.
8. a kind of pattern blocks of tire mold blanking cutting method as claimed in claim 7, it is characterised in that in described step 4)
In, by overturning the first clamp parallels and the second clamp parallels, sheet material is arranged towards other direction, mobile sheet material, by saw blade
Cut now parallel with its position line of cut.
9. pattern blocks of tire mold blanking cutting scoring tool, it is characterised in that including:
Rod support；
Chi plate, is located at rod support upper surface middle part, leaves right angle step for by sheet material card bottom chi plate and between rod support upper surface
Sheet material is made to fit with chi plate at this step；
The angle that bottom one hypotenuse of chi plate and chi plate, place straight line is formed is 90 °-360 °/2n, n >=6.
10. pattern blocks of tire mold blanking cutting scoring tool as claimed in claim 9, it is characterised in that described chi plate
Trapezoidal setting.
11. 1 kinds of pattern blocks of tire mold blanking cutting methods, it is characterised in that specifically comprise the following steps that
1) determine quantity n of pattern block, and starting point is carved in the position of pre-cutting-up secant on sheet material；
2) on sheet material, the scoring tool as according to any one of claim 9 or 10, one hypotenuse of scoring tool and chi are placed
The angle that bottom plate, place straight line is formed is 90 °-360 °/2n, n >=6；
3) hypotenuse along scoring tool is rule by starting point on sheet material, and mobile scoring tool carries out a plurality of line of cut
Line, adjacent lugs is oppositely arranged on sheet material；
4) oblique fixed plate, cuts along cut-off rule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610722751.3A CN106270763B (en) | 2016-08-25 | 2016-08-25 | A kind of pattern blocks of tire mold blanking cutting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610722751.3A CN106270763B (en) | 2016-08-25 | 2016-08-25 | A kind of pattern blocks of tire mold blanking cutting method |
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| Publication Number | Publication Date |
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| CN106270763A true CN106270763A (en) | 2017-01-04 |
| CN106270763B CN106270763B (en) | 2018-12-18 |
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ID=57616512
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111152179A (en) * | 2020-01-17 | 2020-05-15 | 中信重工机械股份有限公司 | Method for optimizing trepanning and scribing of semicircular ring parts |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106270763B (en) | 2018-12-18 |
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