CN106853503B - The axial positioning combined mold of crankshaft crank upsetting forming - Google Patents

The axial positioning combined mold of crankshaft crank upsetting forming Download PDF

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Publication number
CN106853503B
CN106853503B CN201710106446.6A CN201710106446A CN106853503B CN 106853503 B CN106853503 B CN 106853503B CN 201710106446 A CN201710106446 A CN 201710106446A CN 106853503 B CN106853503 B CN 106853503B
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matrix
mould
die holder
crank throw
crank
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CN106853503A (en
Inventor
邓军疆
焉永才
吴丽萍
韩晓光
陈莉
侯东波
邓文婷
李春阳
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LIAONING 518 INTERNAL-COMBUSTION ENGINE FITTINGS Co Ltd
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LIAONING 518 INTERNAL-COMBUSTION ENGINE FITTINGS Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00Details of machines for forging, pressing, or hammering
    • B21J13/02Dies or mountings therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00Making machine elements
    • B21K1/06Making machine elements axles or shafts
    • B21K1/08Making machine elements axles or shafts crankshafts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

The axial positioning combined mold of crankshaft crank upsetting forming of the present invention, mounted on upper right die holder (b2), bottom right die holder (b4), upper left die holder (b1), upper right mould (f4) on lower-left die holder (b3), bottom right mould (f6), upper left mould (f3), lower-left mould (f5) is axially mutually stacked by 4 pieces of matrixs respectively, four pieces of matrixs of upper and lower mould correspond combination up and down, matrix can be processed forming internal shape cavity with one block of plectane material, then it is divided into corresponding matrix up and down using wire cutting, it processes simple and convenient, matrix simultaneously can be substituted for each other use, compared with making monolithic mold, mold rapidoprint cost and Mold Making cost can be substantially reduced, and it needs to make the deficiency of entire mold after overcoming monolithic mold local damage.

Description

The axial positioning combined mold of crankshaft crank upsetting forming
Technical field
It is by bent axle bar the present invention relates to crankshaft crank upsetting molding die
What is used when shaping crank throw using TR methods carries out axially position extrusion die to bent axle bar.
Background technology
TR method crankshaft crank upsetting manufacturing process, be using special upsetter dress on a hydraulic press to bent axle bar blank into Row forming, shapes 1 crank throw, then more mold exchange, then shape down to blank upsetting to each upsetting of blank local heating One crank throw, repeatedly, until upsetting shapes whole crank throws on the bent axle bar blank.
It is that first upsetting shapes the same crank throw respectively by a collection of bent axle bar blank in actual production, then more changes the mold Tool, then upsetting shapes next crank throw respectively to this batch of blank, repeatedly, until on this batch of bent axle bar blank respectively Upsetting shapes whole crank throws.
The upsetting tooling of TR crankshaft crank upsetting manufacturing process is as shown in Figure 1;It is equipped on the top shoe a1 of hydraulic press upper Tooling a2 is pushed up, the upper intermediate die f1 that upper intermediate die pin-lift arrangement a3 drives is provided in the middle part of upper top tooling a2, in upper top tooling A2's is respectively arranged on the left side and the right side left connecting rod a5 and right connecting rod a6, and the inner end of left connecting rod a5 and right connecting rod a6 are hingedly connected a left side Upper die holder b1 and upper right die holder b2;Upper left mould f3 and upper right mould are fixedly mounted respectively on upper left die holder b1 and upper right die holder b2 f4。
Be equipped on the lower table t1 of hydraulic press can side-to-side movement mobile work platform t2, it is solid on mobile work platform t2 Surely it is equipped with pedestal t3, the lower intermediate die f2 that lower intermediate die pin-lift arrangement t4 drives is equipped in the middle part of pedestal t3;It is sliding on pedestal t3 It is dynamic to be equipped with lower-left die holder b3, bottom right die holder b4, installation lower-left is respectively fixedly connected on lower-left die holder b3, bottom right die holder b4 Mould f5 and bottom right mould f6.
When work:Mobile work platform t2 is moved to the outside of lower table t1 first, the mould f5 and bottom right mould f6 in lower-left Then bent axle charge bar K in upper placement returns to mobile work platform t2 on lower table t1 table tops from the outside of lower table t1.
Tooling a2 downlinks are pushed up in top shoe a1 drives, are first coordinated intermediate die f1 and lower intermediate die f2 and are embraced bent axle charge bar K, at the same the stopping table on upper left die holder b1 and upper right die holder b2 respectively with the stopping table on lower-left die holder b3 and bottom right die holder b4 It is inserted into cooperation, so that left and right upper mold f3, f4 is closed respectively with left and right lower die f5, f6 and holds bent axle charge bar K tightly.
Then it pushes up tooling a2 in top shoe a1 drives to continue traveling downwardly, upper intermediate die f1 and lower intermediate die f2 embraces bent axle charge bar K while downlink squeezes together left linkages a5, a6 push left and right upper die holder b1, b2 to drive under left and right lower die holder b3, b4 respectively Together to intermediary movements, bent axle charge bar K is squeezed to intermediate part, to which upsetting squeezes to form out first crank throw Q1, the work Make process referring to shown in attached drawing 2,3.
When shaping next crank throw, it is formed go out previous crank throw will be to the right(Or left side)Vibration position, has become The upper right mould f4 and bottom right mould f6 for the previous crank throw and right side that shape goes out(Or the upper left mould f3 and lower-left mould f5 in left side)Cooperation is fixed Position, is then formed next crank throw.
Due to, it is formed go out previous crank throw and next crank throw to be shaped circumferentially have minute of angle, so, The upper right mould f4 and bottom right mould f6 on right side will be first replaced when shaping next crank throw every time(Or upper left mould f3 and the lower-left in left side Mould f5)With it is formed go out previous crank throw coordinate position, next crank throw could be formed.
So the above-mentioned prior art complete a bent axle on each crank throw upsetting forming when, need with it is formed The previous crank throw gone out unanimously, mutually contains more pair upper right mould f4 and bottom right mould f6 of cooperation in angular region in shape(Or left side Upper left mould f3 and lower-left mould f5)Mold carries out replacement use, that is, the integral type right upper mold f4 and the right side for needing more secondary mould shapes different Lower die f6(Or the upper left mould f3 and lower-left mould f5 in left side)Mold is replaced.
In addition, in the whole crank throws of forming, since the spacing of each crank throw on bent axle might have difference, bent axle The card slot K2 spacing opened up on bar K can be different, also just needs to open up clasping bent axle bar K on bent axle bar K in this way Card slot K2 cooperation upper left mould f3 and lower-left mould f5(Or upper right mould f4 and bottom right mould f6)Mold is replaced.
And make whole upper right mould f4 and bottom right mould f6 and upper left mould f3 and lower-left mould f5 mold materials cost and making Cost is very high, and also inconvenient repair uses after abrasion.
Invention content
The purpose of the present invention is disadvantage deficiency is improved for the above-mentioned prior art, provide a kind of crankshaft crank upsetting at Shape axially position sectional die reduces die manufacturing cost, and replace easy to use in order to which mold is processed.
Due to can be carried out successively from the left end of bent axle bar K to right end to the forming of each crank throw on bent axle bar K Forming, or changes from the middle part left and right wheels of bent axle bar K and is formed, and can also be from the right end of bent axle bar K to left end successively It carries out.Crank throw forming of the present invention into behavior representative to illustrate successively from the right end of bent axle bar K to left end.
The axial positioning combined mold of crankshaft crank upsetting forming of the present invention includes being mounted on the upper left on the die holder b1 of upper left Mould f3, the lower-left mould f5 on the die holder b3 of lower-left, the upper right mould f4 on upper right die holder b2, it is mounted on bottom right die holder Bottom right mould f6 on b4.
It is characterized in that:
Upper right mould f4 on upper right die holder b2 is axially mutually stacked by 4 pieces of matrixs;Mounted on bottom right die holder b4 On bottom right mould f6 be axially mutually to be stacked by 4 pieces of matrixs;4 matrixs of upper right mould f4 on upper right die holder b2 and peace 4 matrixs of bottom right mould f6 on the die holder b4 of bottom right correspond combination up and down.
The first matrix f41 of upper right mould f4 is top finishing die of cranking arm with the crank throw right side coordinated on the right side of upper intermediate die f1 Piece, depth is provided in the right end face of first matrix f41 can contain revolution of cranking arm more than or equal to crank arm width, diameter Upper half circular groove f411.
The second matrix f42 of upper right mould f4 is:Containing with bent axle bar K axle journals for being used when first crank throw of forming coordinates Upper half backing plate f42a, forming second crank throw when use with it is formed go out first crank throw rod journal contain coordinate Upper half locating clamp plate f42b, and so on shape next one crank throw when use with it is formed go out previous crank throw company Bar axle journal contains the upper half locating clamp plate f42n of cooperation.
The third matrix f43 of upper right mould f4 is:Containing with bent axle bar K axle journals for being used when first crank throw of forming coordinates Upper half backing plate f43a, forming second crank throw when use with it is formed go out first crank throw on the right side of crank arm containing cooperation Upper half positioning plate f43b, and so on shape next one crank throw when use with it is formed go out previous crank throw right side It cranks arm and contains the upper half positioning plate f43n of cooperation.
The 4th matrix f44 of upper right mould f4 is:Shape used when first crank throw with the card slot that is opened up on bent axle bar K K2 cooperation upper half positioning wedged block f44a, forming second and later each crank throw when use with it is formed go out previous crank throw Right side trunnion contain cooperation upper half positioning wedged block f44b.
It is opposite with the first matrix f41 of above-mentioned upper right mould f4, the second matrix f42, third matrix f43, the 4th matrix f44 It answers;
The first matrix f61 of bottom right mould f6 is lower part finishing die of cranking arm with the crank throw right side coordinated on the right side of lower intermediate die f2 Piece, depth is provided in the right end face of first matrix f61 can contain revolution of cranking arm more than or equal to crank arm width, diameter Lower semi-circular groove f611.
The second matrix f62 of bottom right mould f6 is:Containing with bent axle bar K axle journals for being used when first crank throw of forming coordinates Lower half backing plate f62a, forming second crank throw when use with it is formed go out first crank throw rod journal contain coordinate Lower half locating clamp plate f62b, and so on shape next one crank throw when use with it is formed go out previous crank throw company Bar axle journal contains the lower half locating clamp plate f62n of cooperation.
The third matrix f63 of bottom right mould f6 is:Containing with bent axle bar K axle journals for being used when first crank throw of forming coordinates Lower half backing plate f63a, forming second crank throw when use with it is formed go out first crank throw on the right side of crank arm containing cooperation Lower half positioning plate f63b, and so on shape next one crank throw when use with it is formed go out previous crank throw right side It cranks arm and contains the lower half positioning plate f63n of cooperation.
The 4th matrix f64 of bottom right mould f6 is:Shape used when first crank throw with the card slot that is opened up on bent axle bar K K2 cooperation half fixture block f64a of lower positioning, forming second and later each crank throw when use with it is formed go out previous crank throw Right side trunnion contain cooperation lower half positioning wedged block f64b.
On the basis of above-mentioned upper right mould f4, bottom right mould f6 are that 4 pieces of matrixs are axially mutually stacked, the present invention is mounted on upper left Upper left mould f3 on die holder b1 is axially mutually stacked by 4 pieces of matrixs;Lower-left mould f5 on the die holder b3 of lower-left is by 4 pieces Matrix is axially mutually stacked;4 matrixs of upper left mould f3 on the die holder b1 of upper left on the die holder b3 of lower-left 4 matrixs of lower-left mould f5 correspond combination up and down.
The first matrix f31 of upper left mould f3 is top finishing die of cranking arm with the crank throw left side coordinated on the left of upper intermediate die f1 Piece, depth is provided in the left end face of first matrix f31 can contain revolution of cranking arm more than or equal to crank arm width, diameter Upper half circular groove f311.The first matrix f31 of upper left mould f3 is identical as the first matrix f41 shapes of upper right mould f4, can be with It is used interchangeably.
The second matrix f32 of upper left mould f3 is the upper half backing plate for containing cooperation with bent axle bar K axle journals.
The third matrix f33 of upper left mould f3 is the upper half locating clamp plate with the card slot K2 cooperations opened up on bent axle bar.
The 4th matrix f34 of upper left mould f3 is the upper half backing plate for containing cooperation with bent axle bar K axle journals.
It is opposite with the first matrix f31 of above-mentioned upper left mould f3, the second matrix f32, third matrix f33, the 4th matrix f34 It answers;
The first matrix f51 of lower-left mould f5 is lower part finishing die of cranking arm with the crank throw left side coordinated on the left of lower intermediate die f2 Piece, depth is provided in the left end face of first matrix f51 can contain revolution of cranking arm more than or equal to crank arm width, diameter Upper half circular groove f511.The first matrix f51 of lower-left mould f5 is identical as the first matrix f61 shapes of bottom right mould f6, can be with It is used interchangeably.
The second matrix f52 of lower-left mould f5 is the upper half backing plate for containing cooperation with bent axle bar K axle journals.
The third matrix f53 of lower-left mould f5 is the lower half locating clamp plate with the card slot K2 cooperations opened up on bent axle bar K.
The 4th matrix f54 of lower-left mould f5 is the lower half backing plate for containing cooperation with bent axle bar K axle journals.
Above-mentioned described top of cranking arm is to crank arm to connect end with trunnion;It cranks arm lower part and is connect with rod journal to crank arm End.
The present invention is mounted on the first matrix f41, the second matrix f42, third matrix f43, the 4th mould on upper right die holder b2 Piece f44 is axially stacked to be coordinated with the installation stopping table b21 opened up on upper right die holder b2, and passes through positioning key b22, axial connection spiral shell It follows closely b23, radial positioning pin mechanism b24 and upper right die holder b2 is fixedly mounted and connects.
Equally, the first matrix f61, the second matrix f62, third matrix f63, the 4th matrix being mounted on the die holder b4 of bottom right F64 is axially stacked to be coordinated with the installation stopping table opened up on the die holder b4 of bottom right, and passes through positioning key, axial attachment screw, radial direction Dowel mechanism is fixedly mounted with bottom right die holder b4 and connects.
Equally, the first matrix f31, the second matrix f32, third matrix f33, the 4th matrix being mounted on the die holder b1 of upper left F34 is axially stacked to be coordinated with the installation stopping table b11 opened up on the die holder b1 of upper left, and passes through positioning key b12, axial connection spiral shell Nail, radial positioning pin mechanism and upper left die holder b2, which are fixedly mounted, to be connected.
Equally, the first matrix f51, the second matrix f52, third matrix f53, the 4th matrix being mounted on the die holder b3 of lower-left F54 is axially stacked to be coordinated with the installation stopping table opened up on the die holder b3 of lower-left, and passes through positioning key, axial attachment screw, radial direction Dowel mechanism is fixedly mounted with lower-left die holder b3 and connects.
Inventive die uses matrix fabricated structure, upper and lower corresponding matrix that can be processed into one block of plectane material Then shape internal shape cavity is divided into corresponding matrix up and down using wire cutting, and corresponding each crank throw is made by pressing minute of angle cutting The second matrix f42 of the upper right mould f4 used, the third matrix f43 of upper right mould f4, the second matrix f62 of bottom right mould f6, bottom right The third matrix f63 of mould f6, further simplifies the processing and manufacturing of these matrixs, this, can compared with making monolithic mold Mold rapidoprint cost and Mold Making cost are substantially reduced, processing is simple and convenient, and overcomes monolithic mold part Need to make the deficiency of entire mold after damage, if some matrix damage of this matrix sectional die, it is only necessary to make the mould of damage Piece is replaced.
The first matrix f31 of the upper left mould f3 of the present invention is identical as the first matrix f41 shapes of upper right mould f4, lower-left mould f5 The first matrix f51 it is identical as the first matrix f61 shapes of bottom right mould f6, the 4th matrix f44 and bottom right mould f6 of upper right mould f4 The 4th matrix f64 shapes it is identical, the second matrix f32 of upper left mould f3, third matrix f33, the 4th matrix f34 respectively with lower-left The second matrix f52 of mould f5, third matrix f53, the 4th matrix f54 shapes are identical, can be substituted for each other use.
Moreover, when each second matrix f42 symmetrical shapes of the upper right mould f4 of the present invention, each third matrix of upper right mould f4 When f42 symmetrical shapes, when the second matrix f62 symmetrical shapes of bottom right mould f6, the third matrix f63 symmetrical shapes of bottom right mould f6 When, it can be used interchangeably;Using two crank throws shaped at minute of angle as 180 degree angle when, the of used upper right mould f4 The third matrix f63 of the second matrix f62 of two matrix f42 and bottom right mould f6, the third matrix f43 and bottom right mould f6 of upper right mould f4 It can also be substituted for each other use, spare part amount can be further reduced, reduce processing cost.
Description of the drawings
Fig. 1 is that background technology crankshaft crank upsetting fixture for forming and its mould structure are intended to.
Fig. 2 is after first crank throw of Fig. 1 toolings upsetting molds, before upsetting extruding, and upsetting crank throw shaping dies work shape shows Mien figure.
Fig. 3 is upsetting crank throw shaping dies working state schematic representation after first crank throw upsetting of Fig. 1 toolings upsetting squeezes.
It is previous when Fig. 4,5 are that background technology shapes next crank throw using integral type right upper mold f4 and bottom right mould f6 respectively It is a it is formed go out crank throw and integral type right upper mold f4 and bottom right mould f6 mated condition schematic diagrames.
Fig. 6 be upper right mould f4 when fragment sectional die of the present invention shapes first crank throw, bottom right mould f6, upper left mould f4, Lower-left mould f5 structural schematic diagrams.
When Fig. 7,8 are that fragment sectional die of the present invention shapes next crank throw respectively, upper right mould f4, bottom right mould f6 molds Structure and it is previous it is formed go out crank throw and fragment combined type upper right mould f4 and bottom right mould f6 mated condition schematic diagrames.
Fig. 9 is the bent axle schematic diagram of processing 6 crank throws of band of the embodiment of the present invention.
Figure 10 is the embodiment of the present invention when on bent axle bar K to shape crank throw one by one from right to left, in forming first Used fragment combined type upper right mould f4, bottom right mould f6 mould structures and working state schematic representation when crank throw.
Figure 11 is Figure 10 used fragment combined type upper right mould f4, each matrix of bottom right mould f6 when shaping first crank throw Decomposing state figure, which show the first matrix f41 of the upper right mould f4 on upper right die holder b2, the second matrix f42a, The first matrix f61, the second matrix of three matrix f43a, the 4th matrix f44a and the bottom right mould f6 on the die holder b4 of bottom right The planform of f62a, third matrix f63a, the 4th matrix f64a.
Figure 12 is the embodiment of the present invention when on bent axle bar K to shape crank throw one by one from right to left, in forming second Used fragment combined type upper right mould f4, bottom right mould f6 mould structures and fragment combined type upper right mould f4, bottom right mould when crank throw F6 molds with it is formed go out first crank throw mated condition schematic diagram.
Figure 13 is the A-A sectional views of Figure 12, and which show used fragment combined type upper rights when second crank throw of forming The cross sectional shape of the second matrix f62b of the second matrix f42b and bottom right mould f6 of mould f4.
Figure 14 is the B-B sectional views of Figure 12, and which show used fragment combined type upper rights when second crank throw of forming The cross sectional shape of the third matrix f63b of the third matrix f43b and bottom right mould f6 of mould f4..
Figure 15 is Figure 12 used fragment combined type upper right mould f4, each matrix of bottom right mould f6 when shaping second crank throw Decomposing state figure, which show the first matrix f41 of the upper right mould f4 on upper right die holder b2, the second matrix f42b, The first matrix f61, the second matrix of three matrix f43b, the 4th matrix f44b and the bottom right mould f6 on the die holder b4 of bottom right The planform of f62b, third matrix f63b, the 4th matrix f64b.
Figure 16 is the embodiment of the present invention when on bent axle bar to shape crank throw one by one from right to left, is shaping the 4th song Used fragment combined type upper right mould f4, bottom right mould f6 mould structures and fragment combined type upper right mould f4, bottom right mould f6 when turning Mold with it is formed go out first crank throw mated condition schematic diagram.
Figure 17 is the C-C sectional views of Figure 16, and which show used fragment combined type upper rights when the 4th crank throw of forming The cross sectional shape of the second matrix f62d of the second matrix f42d and bottom right mould f6 of mould f4.
Figure 18 is the D-D sectional views of Figure 16, and which show used fragment combined type upper rights when the 4th crank throw of forming The cross sectional shape of the third matrix f63d of the third matrix f43d and bottom right mould f6 of mould f4.
Figure 19 is Figure 16 used fragment combined type upper right mould f4, each matrix of bottom right mould f6 when shaping the 4th crank throw Decomposing state figure, which show the first matrix f41 of the upper right mould f4 on upper right die holder b2, the second matrix f42d, The first matrix f61, the second matrix of three matrix f43d, the 4th matrix f44b and the bottom right mould f6 on the die holder b4 of bottom right The planform of f62d, third matrix f63d, the 4th matrix f64b.
Figure 20 is the embodiment of the present invention when on bent axle bar to shape crank throw one by one from right to left, is shaping the 5th song Used fragment combined type upper right mould f4, bottom right mould f6 mould structures and fragment combined type upper right mould f4, bottom right mould f6 when turning Mold with it is formed go out first crank throw mated condition schematic diagram.
Figure 21 is the E-E sectional views of Figure 20, and which show used fragment combined type upper rights when the 5th crank throw of forming The cross sectional shape of the second matrix f62e of the second matrix f42e and bottom right mould f6 of mould f4.
Figure 22 is the F-F sectional views of Figure 20, and which show used fragment combined type upper rights when the 5th crank throw of forming The cross sectional shape of the third matrix f63e of the third matrix f43e and bottom right mould f6 of mould f4.
Figure 23 is Figure 20 f6 used fragment combined type upper right mould f4, bottom right mould matrix when shaping the 5th crank throw Decomposing state figure, which show the first matrix f41 of the upper right mould f4 on upper right die holder b2, the second matrix f42e, The first matrix f61, the second matrix of three matrix f43e, the 4th matrix f44b and the bottom right mould f6 on the die holder b4 of bottom right The planform of f62e, third matrix f63e, the 4th matrix f64b.
Figure 24 is that inventive embodiments combined type matrix is connected and fixed mounting structure schematic diagram with die holder.
Specific implementation mode
Shown in attached drawing embodiment, crank throw of the present invention forming with from the right end of bent axle bar K to left end successively into behavior Representative illustrates.
The axial positioning combined mold of crankshaft crank upsetting forming of the present invention includes being mounted on the upper left on the die holder b1 of upper left Mould f3, the lower-left mould f5 on the die holder b3 of lower-left, the upper right mould f4 on upper right die holder b2, it is mounted on bottom right die holder Bottom right mould f6 on b4.
It is characterized in that:
Upper right mould f4 on upper right die holder b2 is axially mutually stacked by 4 pieces of matrixs;Mounted on bottom right die holder b4 On bottom right mould f6 be axially mutually to be stacked by 4 pieces of matrixs;4 matrixs on the upper right mould f4 on upper right die holder b2 with 4 matrixs on the bottom right mould f6 on the die holder b4 of bottom right correspond combination up and down.
The first matrix f41 of upper right mould f4 is top finishing die of cranking arm with the crank throw right side coordinated on the right side of upper intermediate die f1 Piece, depth is provided in the right end face of first matrix f41 can contain K1 revolutions of cranking arm more than or equal to crank arm width, diameter Upper half circular groove f411, which need not replace.
The second matrix f42 of upper right mould f4 is:Containing with bent axle bar K axle journals for being used when first crank throw of forming coordinates Upper half backing plate f42a, forming second crank throw when use with it is formed go out first crank throw rod journal contain coordinate Upper half locating clamp plate f42b, and so on shape next one crank throw when use with it is formed go out previous crank throw company Bar axle journal contains the upper half locating clamp plate f42n of cooperation.
The third matrix f43 of upper right mould f4 is:Containing with bent axle bar K axle journals for being used when first crank throw of forming coordinates Upper half backing plate f43a, forming second crank throw when use with it is formed go out first crank throw on the right side of crank arm containing cooperation Upper half positioning plate f43b, and so on shape next one crank throw when use with it is formed go out previous crank throw right side It cranks arm and contains the upper half positioning plate f43n of cooperation.
The 4th matrix f44 of upper right mould f4 is:Shape used when first crank throw with the card slot that is opened up on bent axle bar K K2 cooperation upper half positioning wedged block f44a, forming second and later each crank throw when use with it is formed go out previous crank throw Right side trunnion contain cooperation upper half positioning wedged block f44b, be provided with depth in the right end face of the 4th matrix f44b More than or equal to the lower semi-circular groove f444 that width of cranking arm, diameter can contain revolution of cranking arm.
It is opposite with the first matrix f41 of above-mentioned upper right mould f4, the second matrix f42, third matrix f43, the 4th matrix f44 It answers:
The first matrix f61 of bottom right mould f6 is lower part finishing die of cranking arm with the crank throw right side coordinated on the right side of lower intermediate die f2 Piece, depth is provided in the right end face of first matrix f61 can contain revolution of cranking arm more than or equal to crank arm width, diameter Lower semi-circular groove f611, the piece need not be replaced.
The second matrix f62 of bottom right mould f6 is:Containing with bent axle bar K axle journals for being used when first crank throw of forming coordinates Lower half backing plate f62a, forming second crank throw when use with it is formed go out first crank throw rod journal contain coordinate Lower half locating clamp plate f62b, and so on shape next one crank throw when use with it is formed go out previous crank throw company Bar axle journal contains the lower half locating clamp plate f62n of cooperation.
The third matrix f63 of bottom right mould f6 is:Containing with bent axle bar K axle journals for being used when first crank throw of forming coordinates Lower half backing plate f63a, forming second crank throw when use with it is formed go out first crank throw on the right side of crank arm containing cooperation Lower half positioning plate f63b, and so on shape next one crank throw when use with it is formed go out previous crank throw right side It cranks arm and contains the lower half positioning plate f63n of cooperation.
The 4th matrix f64 of bottom right mould f6 is:Shape used when first crank throw with the card slot that is opened up on bent axle bar K K2 cooperation lower half positioning wedged block f64a, forming second and later each crank throw when use with it is formed go out previous crank throw The trunnion on right side contain the lower half positioning wedged block f64 of cooperation, it is big in the right end face of the 4th matrix f64 to be provided with depth In the lower semi-circular groove f644 that can contain revolution of cranking arm equal to width of cranking arm, diameter.
On the basis of above-mentioned upper right mould f4, bottom right mould f6 are that 4 pieces of matrixs are axially mutually stacked, the present invention is mounted on upper left Upper left mould f3 on die holder b1 is axially mutually stacked by 4 pieces of matrixs;Lower-left mould f5 on the die holder b3 of lower-left is by 4 pieces Matrix is axially mutually stacked;4 matrixs of upper left mould f3 on the die holder b1 of upper left on the die holder b3 of lower-left 4 matrixs of lower-left mould f5 correspond combination up and down.
The first matrix f31 of upper left mould f3 is top finishing die of cranking arm with the crank throw left side coordinated on the left of upper intermediate die f1 Piece, depth is provided in the left end face of first matrix f31 can contain revolution of cranking arm more than or equal to crank arm width, diameter Upper half circular groove f311.The first matrix f31 of upper left mould f3 is identical as the first matrix f41 shapes of upper right mould f4, can be with It is replaced.
The second matrix f32 of upper left mould f3 is the upper half backing plate for containing cooperation with bent axle bar K axle journals.
The third matrix f33 of upper left mould f3 is the upper half locating clamp plate with the card slot K2 cooperations opened up on bent axle bar.
The 4th matrix f34 of upper left mould f3 is the upper half backing plate for containing cooperation with bent axle bar K axle journals.
It is opposite with the first matrix f31 of above-mentioned upper left mould f3, the second matrix f32, third matrix f33, the 4th matrix f34 It answers:
The first matrix f51 of lower-left mould f5 is lower part finishing die of cranking arm with the crank throw left side coordinated on the left of lower intermediate die f2 Piece, depth is provided in the left end face of first matrix f51 can contain revolution of cranking arm more than or equal to crank arm width, diameter Upper half circular groove f511.The first matrix f51 of lower-left mould f5 is identical as the first matrix f61 shapes of bottom right mould f6, can be with It is replaced.
The second matrix f52 of lower-left mould f5 is the upper half backing plate for containing cooperation with bent axle bar K axle journals.
The third matrix f53 of lower-left mould f5 is the lower half locating clamp plate with the card slot K2 cooperations opened up on bent axle bar K.
The 4th matrix f54 of lower-left mould f5 is the lower half backing plate for containing cooperation with bent axle bar K.
Above-mentioned described top of cranking arm is to crank arm to connect end with trunnion;It cranks arm lower part and is connect with rod journal to crank arm End.
The first matrix f41, the second matrix f42, third matrix f43, the 4th matrix f44 axis on upper right die holder b2 Coordinate to being stacked with the installation stopping table b21 opened up on upper right die holder b2, and by positioning key b22, axial attachment screw b23, Radial positioning pin mechanism b24 is fixedly mounted with upper right die holder b2 and connects.
Equally, the first matrix f61, the second matrix f62, third matrix f63, the 4th matrix being mounted on the die holder b4 of bottom right F64 is axially stacked to be coordinated with the installation stopping table opened up on the die holder b4 of bottom right, and passes through positioning key, axial attachment screw, radial direction Positioning pin machinery is fixedly mounted with bottom right die holder b4 and connects.
Equally, the first matrix f31, the second matrix f32, third matrix f33, the 4th matrix being mounted on the die holder b1 of upper left F34 is axially stacked to be coordinated with the installation stopping table b11 opened up on the die holder b1 of upper left, and passes through positioning key b12, axial connection spiral shell Nail, radial positioning pin machinery and upper left die holder b1, which are fixedly mounted, to be connected.
Equally, the first matrix f51, the second matrix f52, third matrix f53, the 4th matrix being mounted on the die holder b3 of lower-left F54 is axially stacked to be coordinated with the installation stopping table opened up on the die holder b3 of lower-left, and passes through positioning key, axial attachment screw, radial direction Positioning pin machinery is fixedly mounted with lower-left die holder b3 and connects.
Upper right mould f4, bottom right mould f6, upper left mould f3, the lower-left mould f4 of said combination formula matrix are fixedly connected with its die holder Mounting means is consistent with the prior art.
With seeing attached drawing 24, upper right mould f4, bottom right mould f6, upper left mould f3, the lower-left mould f4 of said combination formula matrix of the present invention Can first be mounted on a connector sleeve B, then connector sleeve B is matched by stopping table B1 with the stopping table B2 opened up on die holder It closes, is fixedly mounted on die holder by the axial bolt B 3 that connects.Die holder a set of in this way is adapted to the different upper right of multiple diameters Mould f4, bottom right mould f6, upper left mould f3, lower-left mould f4 cooperations are installed and used, and the utilization rate of die holder is improved.

Claims (4)

1. crankshaft crank upsetting shapes axial positioning combined mold, including the upper left mould being mounted on upper left die holder (b1) (f3), be mounted on lower-left die holder (b3) on lower-left mould (f5), be mounted on upper right die holder (b2) on upper right mould (f4), be mounted on Bottom right mould (f6) on bottom right die holder (b4), it is characterized in that:
Upper right mould (f4) on upper right die holder (b2) is axially mutually stacked by 4 pieces of matrixs;Mounted on bottom right die holder (b4) the bottom right mould (f6) on is axially mutually stacked by 4 pieces of matrixs;4 of upper right mould (f4) on upper right die holder (b2) A matrix is corresponded with 4 matrixs of the bottom right mould (f6) on bottom right die holder (b4) and is combined up and down;
The first matrix (f41) of upper right mould (f4) is top finishing die of cranking arm with the crank throw right side coordinated on the right side of upper intermediate die (f1) Piece, depth is provided in the right end face of first matrix (f41) can contain revolution of cranking arm more than or equal to crank arm width, diameter Upper half circular groove (f411);
The second matrix (f42) of upper right mould (f4) is:What is used when first crank throw of forming matches with the containing of bent axle bar (K) axle journal Used when second the upper half backing plate (f42a) of conjunction, forming crank throw with it is formed go out the rod journal of first crank throw contain The upper half locating clamp plate (f42b) of cooperation, and so on shape next one crank throw when use with it is formed go out previous song The rod journal turned contains the upper half locating clamp plate (f42n) of cooperation;
The third matrix (f43) of upper right mould (f4) is:What is used when first crank throw of forming matches with the containing of bent axle bar (K) axle journal Used when second the upper half backing plate (f43a) of conjunction, forming crank throw with it is formed go out first crank throw on the right side of crank arm containing The upper half positioning plate (f43b) of cooperation, and so on shape next one crank throw when use with it is formed go out previous crank throw Right side crank arm contain cooperation upper half positioning plate (f43n);
4th matrix (f44) of upper right mould (f4) is:Shape used when first crank throw with the card that is opened up on bent axle bar (K) Slot (K2) cooperation upper half positioning wedged block (f44a), forming second and later each crank throw when use with it is formed go out it is previous The trunnion on the right side of a crank throw contains the upper half positioning wedged block (f44b) of cooperation;
With the first matrix (f41), the second matrix (f42), third matrix (f43), the 4th matrix (f44) of above-mentioned upper right mould (f4) It is corresponding;
The first matrix (f61) of bottom right mould (f6) is lower part finishing die of cranking arm with the crank throw right side coordinated on the right side of lower intermediate die (f2) Piece, depth is provided in the right end face of first matrix (f61) can contain revolution of cranking arm more than or equal to crank arm width, diameter Lower semi-circular groove (f611);
The second matrix (f62) of bottom right mould (f6) is:What is used when first crank throw of forming matches with the containing of bent axle bar (K) axle journal Used when second the lower half backing plate (f62a) of conjunction, forming crank throw with it is formed go out the rod journal of first crank throw contain The lower half locating clamp plate (f62b) of cooperation, and so on shape next one crank throw when use with it is formed go out previous song The rod journal turned contains the lower half locating clamp plate (f62n) of cooperation;
The third matrix (f63) of bottom right mould (f6) is:What is used when first crank throw of forming matches with the containing of bent axle bar (K) axle journal Used when second the lower half backing plate (f63a) of conjunction, forming crank throw with it is formed go out first crank throw on the right side of crank arm containing The lower half positioning plate (f63b) of cooperation, and so on shape next one crank throw when use with it is formed go out previous crank throw Right side crank arm contain cooperation lower half positioning plate (f63n);
4th matrix (f64) of bottom right mould (f6) is:Shape used when first crank throw with the card that is opened up on bent axle bar (K) Slot (K2) cooperation lower half positioning wedged block (f64a), forming second and later each crank throw when use with it is formed go out it is previous The trunnion on the right side of a crank throw contains the lower half positioning wedged block (f64b) of cooperation.
2. the axial positioning combined mold of crankshaft crank upsetting forming according to claim 1, it is characterized in that:
Upper left mould (f3) on upper left die holder (b1) is axially mutually stacked by 4 pieces of matrixs;Mounted on lower-left die holder (b3) the lower-left mould (f5) on is axially mutually stacked by 4 pieces of matrixs;4 of upper left mould (f3) on upper left die holder (b1) A matrix is corresponded with 4 matrixs of the lower-left mould (f5) on lower-left die holder (b3) and is combined up and down;
The first matrix (f31) of upper left mould (f3) is top finishing die of cranking arm with the crank throw left side coordinated on the left of upper intermediate die (f1) Piece, depth is provided in the left end face of first matrix (f31) can contain revolution of cranking arm more than or equal to crank arm width, diameter Upper half circular groove (f311), the first matrix (f31) of upper left mould (f3) and the first matrix (f41) shape of upper right mould (f4) It is identical, it can be used interchangeably;
The second matrix (f32) of upper left mould (f3) is the upper half backing plate for containing cooperation with bent axle bar (K) axle journal;
The third matrix (f33) of upper left mould (f3) is the upper half locating clamp plate with card slot (K2) cooperation opened up on bent axle bar;
4th matrix (f34) of upper left mould (f3) is the upper half backing plate for containing cooperation with bent axle bar (K) axle journal;
With the first matrix (f31), the second matrix (f32), third matrix (f33), the 4th matrix (f34) of above-mentioned upper left mould (f3) It is corresponding;
The first matrix (f51) of lower-left mould (f5) is lower part finishing die of cranking arm with the crank throw left side coordinated on the left of lower intermediate die (f2) Piece, depth is provided in the left end face of first matrix (f51) can contain revolution of cranking arm more than or equal to crank arm width, diameter Upper half circular groove (f511), the first matrix (f51) of lower-left mould (f5) and the first matrix (f61) shape of bottom right mould (f6) It is identical, it can be used interchangeably;
The second matrix (f52) of lower-left mould (f5) is the upper half backing plate for containing cooperation with bent axle bar (K) axle journal;
The third matrix (f53) of lower-left mould (f5) is to position to block with the lower half of card slot (K2) cooperation opened up on bent axle bar (K) Plate;
4th matrix (f54) of lower-left mould (f5) is the lower half backing plate for containing cooperation with bent axle bar (K) axle journal.
3. the axial positioning combined mold of crankshaft crank upsetting forming according to claim 1 or 2, it is characterized in that:
The first matrix (f41), the second matrix (f42), third matrix (f43), the 4th matrix on upper right die holder (b2) (f44) the installation stopping table (b21) that axial direction is stacked and is opened up on upper right die holder (b2) coordinates, and passes through positioning key (b22), axial direction Attachment screw (b23), radial positioning pin mechanism (b24) are fixedly mounted with upper right die holder (b2) and connect;
Equally, the first matrix (f61) on bottom right die holder (b4), the second matrix (f62), third matrix (f63), the 4th Matrix (f64) is axially stacked to be coordinated with the installation stopping table opened up on bottom right die holder (b4), and passes through positioning key, axial connection spiral shell Nail, radial positioning pin mechanism and bottom right die holder (b4), which are fixedly mounted, to be connected;
Equally, the first matrix (f31) on upper left die holder (b1), the second matrix (f32), third matrix (f33), the 4th Matrix (f34) is axially stacked and the installation stopping table (b11) that is opened up on upper left die holder (b1) coordinates, and by positioning key (b12), Axial attachment screw, radial positioning pin mechanism and upper left die holder (b2), which are fixedly mounted, to be connected;
Equally, the first matrix (f51) on lower-left die holder (b3), the second matrix (f52), third matrix (f53), the 4th Matrix (f54) is axially stacked to be coordinated with the installation stopping table opened up on lower-left die holder (b3), and passes through positioning key, axial connection spiral shell Nail, radial positioning pin mechanism and lower-left die holder (b3), which are fixedly mounted, to be connected.
4. the axial positioning combined mold of crankshaft crank upsetting forming according to claim 1 or 2, it is characterized in that:
Upper right mould (f4), bottom right mould (f6), upper left mould (f3), the lower-left mould (f4) of combined type matrix are first to be mounted on a connection It covers on (B), then connector sleeve (B) is coordinated by the stopping table (B2) opened up on stopping table (B1) and die holder, passes through axial connection Bolt (B3) is fixedly mounted on die holder.
CN201710106446.6A 2017-02-27 2017-02-27 The axial positioning combined mold of crankshaft crank upsetting forming Active CN106853503B (en)

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CN107377859A (en) * 2017-08-31 2017-11-24 四川凯茨实业集团有限公司 The manufacturing process of middle forged shaft non-trimming forging
CN107876689B (en) * 2017-11-07 2019-06-14 中国兵器工业第五九研究所 A kind of life-prolonging method of crank axle bending and upsetting shaping dies
CN109622856B (en) * 2018-12-13 2020-06-05 中国兵器工业第五九研究所 Axial distance adjusting method for combined die in full-fiber crankshaft upsetting-extruding forming process
CN113275497B (en) * 2021-06-16 2023-02-28 辽宁五一八内燃机配件有限公司 Upsetting crankshaft left and right die with hidden locking sliding pin

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DE2303451C2 (en) * 1973-01-25 1975-03-06 Eumuco Ag Fuer Maschinenbau, 5090 Leverkusen Device for forging crankshafts, flange shafts and the like by means of a forging press
AU530211B2 (en) * 1979-01-18 1983-07-07 Instytut Obrobki Plastycznej Forging crank throws
JPH04251628A (en) * 1991-01-25 1992-09-08 Kobe Steel Ltd Transverse pressing device for crank shaft forging device
CN201470801U (en) * 2009-08-26 2010-05-19 东风汽车有限公司 Special torsion die for small crankshaft
CN102744356A (en) * 2012-07-23 2012-10-24 南车资阳机车有限公司 Full-fiber bending-upsetting method for crank shaft
CN106180522A (en) * 2016-09-14 2016-12-07 中国兵器工业第五九研究所 A kind of servo upsetting extrusion Apparatus and method for
CN206543860U (en) * 2017-02-27 2017-10-10 辽宁五一八内燃机配件有限公司 The positioning combined mould in crankshaft crank upsetting shaping axial direction

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2303451C2 (en) * 1973-01-25 1975-03-06 Eumuco Ag Fuer Maschinenbau, 5090 Leverkusen Device for forging crankshafts, flange shafts and the like by means of a forging press
AU530211B2 (en) * 1979-01-18 1983-07-07 Instytut Obrobki Plastycznej Forging crank throws
JPH04251628A (en) * 1991-01-25 1992-09-08 Kobe Steel Ltd Transverse pressing device for crank shaft forging device
CN201470801U (en) * 2009-08-26 2010-05-19 东风汽车有限公司 Special torsion die for small crankshaft
CN102744356A (en) * 2012-07-23 2012-10-24 南车资阳机车有限公司 Full-fiber bending-upsetting method for crank shaft
CN106180522A (en) * 2016-09-14 2016-12-07 中国兵器工业第五九研究所 A kind of servo upsetting extrusion Apparatus and method for
CN206543860U (en) * 2017-02-27 2017-10-10 辽宁五一八内燃机配件有限公司 The positioning combined mould in crankshaft crank upsetting shaping axial direction

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