CN104384477B - The slide block combination position-limit mechanism of a kind of die casting - Google Patents
The slide block combination position-limit mechanism of a kind of die casting Download PDFInfo
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- CN104384477B CN104384477B CN201410660951.1A CN201410660951A CN104384477B CN 104384477 B CN104384477 B CN 104384477B CN 201410660951 A CN201410660951 A CN 201410660951A CN 104384477 B CN104384477 B CN 104384477B
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- Prior art keywords
- slide block
- die casting
- guide rail
- group
- spacing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/24—Accessories for locating and holding cores or inserts
Abstract
The present invention discloses the slide block combination position-limit mechanism of a kind of die casting, comprise and coordinate the cover half group being formed with mould shape chamber and dynamic model group up and down and coordinate mould shape chamber to constitute the slide block mechanism in die casting die casting shape chamber, dynamic model group is provided with guide rail mechanism, slide block mechanism is along this guide rail mechanism guiding slide anteroposterior, guide rail mechanism is provided with at least one group and side limit device that often group is made up of two side limited blocks, and the breech face of this guide rail mechanism is provided with one group of baffle limiting device being made up of two baffle limiting blocks; Side limit device and baffle limiting device associating assembly define and slide block mechanism carry out the spacing combination type spacing mechanism of two guarantor, and the distance that above-mentioned restriction slide block mechanism slides equals the core pulling distance of slide block mechanism. The final size change of energy conservative control die casting of the present invention, it is to increase the work-ing life of slide block, ensures that the final size of die casting is stablized, it is to increase production qualification rate, reduces mould maintenance cost.
Description
Technical field
The present invention relates to the design and manufaction technical field of die casting, specifically the slide block combination position-limit mechanism of a kind of die casting.
Background technology
Die casting is the big class of in mould. In recent years, along with China's automobile, the developing rapidly of motorcycle industry, Die Casting Industry has welcome the new period of development. But meanwhile, also the comprehensive mechanical property of die casting, life-span and mould structure etc. are had higher requirement.
Die casting is the production process of a kind of precision, but has several factors but can affect the final size change of die casting. Dimensional change can be divided into again linear change (mainly causing) owing to shrinking, the mobile dislocation between mould, parting line, foundry goods and mould warpage, and die casting parameter, looses core and draft angle etc. But the final size change having any must remember die casting just depends in part on mould and die accuracy, it also has close relationship with following factor: the normal fluctuation of mould temperature in press casting procedure, injection temperature, speed of cooling, the structure etc. of foundry goods stress relief and mould. For reducing the dimensional change of the finished product, it is necessary to strict production control operation, optimize mould structure.
Currently owing to the structure of die casting is more and more complicated, in the structure of die casting, slide block is generally used. and in press casting procedure, slide block is after extraction, it is desired to firmly remain on certain position, so that when again closing mould, by actuated element band movable slider parking position accuracy, need design stop means for this reason. direction of motion according to slide block and spacing reliability can design the stop means of different structure. generally owing to spring structure is simple and convenient by a large amount of uses, but its maximum shortcoming is exactly make the profile of mould increase and aobvious complexity, and there is labile factor in single position-limit mechanism, in order to solve this contradiction, we devise the slide block position-limit mechanism of a kind of built-up type being arranged on slide block inside, it is not in place that this mechanism can effectively avoid slide block to slide, and the slide block caused is killed, the defect such as reset ineffective, this not only substantially increases the work-ing life of slide block, and the final size that can ensure die casting is stable, and then raising conforming product rate, reduce the cost that mould is safeguarded.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, and the final size change of energy conservative control die casting is provided, thus reduce defects of die casting, increase the work-ing life of slide block, improve the production qualification rate of die casting, reduce the slide block combination position-limit mechanism of a kind of die casting of production cost.
The present invention solves the problems of the technologies described above the technical scheme adopted: the slide block combination position-limit mechanism of a kind of die casting, comprise the cover half group and the dynamic model group that coordinate up and down and be formed with mould shape chamber, and slip coordinates mould shape chamber to constitute the slide block mechanism in die casting die casting shape chamber between cover half group and dynamic model group, dynamic model group is provided with guide rail mechanism, slide block mechanism is along this guide rail mechanism guiding slide anteroposterior, guide rail mechanism is provided with at least one group and often group by two side limited blocks form from side limit slide block mechanism sliding distance side limit device, and the breech face of this guide rail mechanism is provided with one group of baffle limiting device limiting slide block mechanism sliding distance from rear end being made up of two baffle limiting blocks, side limit device and baffle limiting device associating assembly define and slide block mechanism carry out the spacing combination type spacing mechanism of two guarantor, and the distance that above-mentioned restriction slide block mechanism slides equals the core pulling distance of slide block mechanism.
For optimizing technique scheme, the measure taked also comprises:
Above-mentioned slide block mechanism is made up of the slider core of the fixing dress that matches, slide block and slide block retaining plate; The slide block guide rail that guide rail mechanism comprises two parallel settings and the slide block baffle plate being connected laterally on two slide block guide rail aft end faces; Slider frame is located between two slide block guide rails and slides along the guide groove of slide block guide rail; The side limited block often organizing side limit device all symmetry be arranged on two slide block guide rails, baffle limiting device is arranged on slide block baffle plate.
Above-mentioned slide block guide rail is shaped with side lockhole near aft end face place relatively, limited block location, side is arranged in this side lockhole, side limited block includes spring socket sleeve and pressure spring and spacing steel ball, and the two sides of slide block are shaped with the taper lock that locking spacing with spacing steel ball coordinates and cheat.
The center of above-mentioned slide block baffle plate is penetrating is shaped with guiding lockhole, and the aft end face center convolution of slide block is provided with and the slide block gag lever post of the lockhole concentric that leads, and the front end of this slide block gag lever post is shaped with the R arc head facilitating slide block gag lever post to import guiding lockhole.
The two ends symmetry of above-mentioned slide block baffle plate is respectively shaped with together the vertically through baffle limiting hole to guiding lockhole, is all provided with baffle limiting block in each baffle limiting hole, and two baffle limiting blocks form one group and relative engagement is spacing.
Above-mentioned baffle limiting block comprises spacing slide block, baffle plate return spring and the adjusting bolt for controllable register return spring pressure being arranged in baffle limiting hole successively; The lock head of spacing slide block extend in guiding lockhole, slide block gag lever post is shaped with the locking of the lock head with spacing slide block and locates the annular lock groove coordinated.
Above-mentioned guide rail mechanism is interval with two groups of side limit devices, every one side of slide block is correspondingly all shaped with two taper lock holes.
The cover half die cavity being fixedly mounted in the central cavity of cover half frame lower surface that above-mentioned cover half group comprises cover half frame and can dismantle, this cover half die cavity is shaped with the patrix shape chamber of lower opening; The dynamic model die cavity being fixedly mounted in the central cavity of dynamic model frame upper surface that dynamic model group comprises dynamic model frame and can dismantle, this dynamic model die cavity is shaped with the counterdie shape chamber of upper shed, and patrix shape chamber and the phase assembly of counterdie shape chamber constitute above-mentioned mould shape chamber.
Compared with prior art, the present invention is being respectively arranged with side limit device and baffle limiting device in the side of the slide block guide rail of die casting and rear end, side limit device is from the two sides of slide block, baffle limiting device is from the rear end of slide block, two kinds of stop means compound actions add the spacing intensity of slide block in slide block, it is to increase spacing precision.Slide block movement is undertaken spacing by the slide block of two kinds of stop means conbined usage combination position-limit mechanism by the present invention, effectively avoids slide block to slide not in place, and the slide block caused is killed, reset the defect such as ineffective; The final size change that energy conservative control die casting of the present invention is unstable due to slide block and causes, this not only substantially increases the work-ing life of slide block, and the final size that can ensure die casting is stable, and then improve the production qualification rate of die casting, reduce the cost that mould is safeguarded.
Accompanying drawing explanation
Fig. 1 is that bowing of the present invention sees sectional structure schematic diagram;
Fig. 2 be the present invention just see sectional structure schematic diagram
Fig. 3 is the structural representation after Fig. 2 removes die casting;
Fig. 4 is the structural representation of slide block mechanism in Fig. 2;
Fig. 5 is the partial enlargement schematic diagram outside Q in Fig. 1;
Fig. 6 is the partial enlargement schematic diagram at K place in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 to Fig. 6 is the structural representation of the present invention.
Reference numeral wherein is: guiding lockhole A, baffle limiting hole B, die casting M, die casting shape chamber N, cover half group 1, cover half frame 11, cover half die cavity 12, dynamic model group 2, dynamic model frame 21, dynamic model die cavity 22, slide block mechanism 3, slider core 31, slide block 32, slide block retaining plate 33, guide rail mechanism 4, slide block guide rail 41, slide block baffle plate 42, side limited block 5, spring socket sleeve 51, pressure spring 52, spacing steel ball 53, baffle limiting block 6, spacing slide block 61, baffle plate return spring 62, adjusting bolt 63, slide block gag lever post 7, R arc head 71, annular lock groove 72.
In the press casting procedure of die casting M, when slide block mechanism 3 is after extraction, usually require that slide block mechanism 3 firmly remains on certain position, so that when again closing mould, driving parking position accuracy by actuated element. In prior art, slide block is carried out spacing stop means and is generally widely used owing to spring structure is simple and convenient, but its maximum shortcoming is exactly that the profile of mould is increased and aobvious complexity, and single spacing structure exists labile factor. If slide block can accurately not keep on specific position, it is easy to cause slide block to kill, reset the defect such as ineffective, causes the final size that have impact on die casting. In order to solve the slide block position-limit mechanism of a kind of built-up type of this contradiction inventive design, it is not in place that this mechanism can effectively avoid slide block to slide, and the slide block caused is killed, reset the defect such as ineffective, not only substantially increase the work-ing life of slide block, and the final size that can ensure die casting is stable, and then raising conforming product rate, reduce the cost that mould is safeguarded.
As shown in Figures 1 to 6, the slide block combination position-limit mechanism of a kind of die casting of the present invention, comprise the cover half group 1 and the dynamic model group 2 that coordinate up and down and be formed with mould shape chamber, and slip coordinates mould shape chamber to constitute the slide block mechanism 3 of die casting M die casting shape chamber N between cover half group 1 and dynamic model group 2, dynamic model group 2 is provided with guide rail mechanism 4, slide block mechanism 3 leads slide anteroposterior along this guide rail mechanism 4, guide rail mechanism 4 is provided with at least one group and often group by two side limited blocks 5 form from side limit slide block mechanism 3 sliding distance side limit device, and the breech face of this guide rail mechanism 4 is provided with one group of baffle limiting device limiting slide block mechanism 3 sliding distance from rear end being made up of two baffle limiting blocks 6, side limit device and baffle limiting device associating assembly define and slide block mechanism 3 carry out the spacing combination type spacing mechanism of two guarantor, and the distance that above-mentioned restriction slide block mechanism 3 slides equals the core pulling distance of slide block mechanism 3.Described core pulling distance is also exactly the distance that slide block mechanism 3 is extracted out from die casting M. The present invention, by the compound action of side limit device and baffle limiting device two groups of stop means, adds the intensity that slide block mechanism 3 is spacing, thus improves spacing precision.
In embodiment as shown in Figures 2 and 3, the cover half die cavity 12 being fixedly mounted in the central cavity of cover half frame 11 lower surface that cover half group 1 comprises cover half frame 11 and can dismantle, this cover half die cavity 12 is shaped with the patrix shape chamber of lower opening; The dynamic model die cavity 22 being fixedly mounted in the central cavity of dynamic model frame 21 upper surface that dynamic model group 2 comprises dynamic model frame 21 and can dismantle, this dynamic model die cavity 22 is shaped with the counterdie shape chamber of upper shed, and patrix shape chamber and the phase assembly of counterdie shape chamber constitute above-mentioned mould shape chamber.
Fig. 4 is the structure diagram of the slide block mechanism 3 of the present invention, and as shown in the figure, slide block mechanism 3 is made up of the slider core 31 of the fixing dress that matches, slide block 32 and slide block retaining plate 33; Slide block retaining plate 33 is bolted on slide block 32, slider core 31 and slide block retaining plate 33 are nested and join, and by slide block retaining plate 33, slider core 31 and slide block 32 being fixedly linked integral, slider core 31 is driven by slide block 32 and extend into slidingly back and forth in mould shape chamber. As can see from Figure 1, guide rail mechanism 4 comprises the slide block guide rail 41 of two parallel settings and the slide block baffle plate 42 being connected laterally on two slide block guide rail 41 aft end faces; Slide block 32 is erected between two slide block guide rails 41 and slides along the guide groove of slide block guide rail 41; The equal symmetry of side limited block 5 often organizing side limit device is arranged on two slide block guide rails 41, and baffle limiting device is arranged on slide block baffle plate 42.
In embodiment, slide block guide rail 41 is shaped with side lockhole near aft end face place relatively, side limited block 5 location is arranged in this side lockhole, side limited block 5 includes spring socket sleeve 51 and pressure spring 5 and spacing steel ball 53, and the two sides of slide block 32 are shaped with the taper lock that locking spacing with spacing steel ball 53 coordinates and cheat.
In embodiment, the center of slide block baffle plate 42 is penetrating is shaped with guiding lockhole A, the aft end face center convolution of slide block 32 is provided with and the slide block gag lever post 7 of the lockhole A concentric that leads, and the front end of this slide block gag lever post 7 is shaped with the R arc head 71 facilitating slide block gag lever post 7 to import guiding lockhole. Slide block gag lever post 7 has the effect of correcting, can prevent slide block mechanism 3 from producing vibration when moving, it is to increase the stability that slide block runs.
In embodiment, the two ends of slide block baffle plate 42 symmetry is respectively shaped with together the vertically through baffle limiting hole B to guiding lockhole A, is all provided with baffle limiting block 6, two baffle limiting block 6 and forms one group and relative engagement is spacing in each baffle limiting hole B.
In embodiment, baffle limiting block 6 comprises the spacing slide block 61, baffle plate return spring 62 and the adjusting bolt 63 for controllable register return spring 62 pressure that are arranged on successively in the B of baffle limiting hole; The lock head of spacing slide block 61 extend in guiding lockhole A, slide block gag lever post 7 is shaped with the locking of the lock head with spacing slide block 61 and locates the annular lock groove 72 coordinated. Slide block gag lever post 7 has dual function, and one is the stabilization that led, and another has been position-limiting action, increases the limit strength to slide block, it is to increase the limit accuracy of slide block.
In embodiment, guide rail mechanism 4 is interval with two groups of side limit devices, every one side of slide block 32 is correspondingly all shaped with two taper lock holes. As can see from Figure 1, the present invention is provided with two groups of side limit devices.
The present invention is after die sinking, slide block 32 drives slider core 31 to move, after slider core 31 departs from die casting M completely, one group is completed spacing by the taper lock of slide block 32 side hole and the side limited block 5 on slide block guide rail 41 opposite position, completing another group by the annular lock groove 72 on slide block gag lever post 7 and baffle limiting block 6 spacing, spacing distance equals core pulling distance.
In order to make, the shaping of die casting M is good, distortion amount is little, yield rate height, and key is to control the stable of slide block mechanism 3. For this reason, the present invention is provided with two cover stop means in slide block guide rail 41 side and slide block baffle plate 42 of die casting, during die sinking, combination is completed spacing by two cover stop means, slide block 32 is effectively avoided to slide not in place, and the slide block caused is killed, reset the defect such as ineffective, ensure that the stability of size, anti-damage slider core 31, draws bad die casting M. The final size change of energy conservative control die casting of the present invention, thus reduce defects of die casting, increase the work-ing life of slide block, it is to increase the production qualification rate of die casting, reduce production cost.
The slide block stop means of the die casting of the present invention is by actual argument and use, not only easy to make, and effect is good, makes die casting yield rate reach 98.9%, and the work-ing life of slide block improves more than 3 times.
Claims (8)
1. the slide block combination position-limit mechanism of a die casting, comprise the cover half group (1) and the dynamic model group (2) that coordinate up and down and be formed with mould shape chamber, and slip is positioned between cover half group (1) and dynamic model group (2) to coordinate mould shape chamber to constitute the slide block mechanism (3) of die casting (M) die casting shape chamber (N), described dynamic model group (2) is provided with guide rail mechanism (4), described slide block mechanism (3) is along this guide rail mechanism (4) guiding slide anteroposterior, it is characterized in that: described guide rail mechanism (4) is provided with at least one group and often group by two side limited blocks (5) form from side limit slide block mechanism (3) sliding distance side limit device, and the breech face of this guide rail mechanism (4) is provided with one group of baffle limiting device limiting slide block mechanism (3) sliding distance from rear end being made up of two baffle limiting blocks (6), described side limit device and baffle limiting device associating assembly define and slide block mechanism (3) carry out the spacing combination type spacing mechanism of two guarantor, and the distance that above-mentioned restriction slide block mechanism (3) is slided equals the core pulling distance of slide block mechanism (3).
2. the slide block combination position-limit mechanism of a kind of die casting according to claim 1, is characterized in that: described slide block mechanism (3) is made up of the slider core (31) of the fixing dress that matches, slide block (32) and slide block retaining plate (33); The slide block guide rail (41) that described guide rail mechanism (4) comprises two parallel settings and the slide block baffle plate (42) being connected laterally on two slide block guide rails (41) aft end face; Described slide block (32) is erected between two slide block guide rails (41) along the guide groove of slide block guide rail (41) to slide; The equal symmetry of side limited block (5) often organizing side limit device is arranged on two slide block guide rails (41), and described baffle limiting device is arranged on slide block baffle plate (42).
3. the slide block combination position-limit mechanism of a kind of die casting according to claim 2, it is characterized in that: described slide block guide rail (41) is shaped with side lockhole near aft end face place relatively, described side limited block (5) location is arranged in this side lockhole, described side limited block (5) includes spring socket sleeve (51) and pressure spring (5) and spacing steel ball (53), and the two sides of described slide block (32) are shaped with the taper lock that locking spacing with spacing steel ball (53) coordinates and cheat.
4. the slide block combination position-limit mechanism of a kind of die casting according to claim 3, it is characterized in that: the center of described slide block baffle plate (42) is penetrating is shaped with guiding lockhole (A), the aft end face center convolution of described slide block (32) is provided with the slide block gag lever post (7) with the lockhole that leads (A) concentric, and the front end of this slide block gag lever post (7) is shaped with R arc head (71) facilitating slide block gag lever post (7) to import guiding lockhole.
5. the slide block combination position-limit mechanism of a kind of die casting according to claim 4, it is characterized in that: the two ends symmetry of described slide block baffle plate (42) is respectively shaped with together the vertically through baffle limiting hole (B) to the lockhole that leads (A), all being provided with baffle limiting block (6) in each described baffle limiting hole (B), two baffle limiting blocks (6) form one group and relative engagement is spacing.
6. the slide block combination position-limit mechanism of a kind of die casting according to claim 5, is characterized in that: described baffle limiting block (6) comprises the spacing slide block (61), baffle plate return spring (62) and the adjusting bolt (63) for controllable register return spring (62) pressure that are arranged on successively in baffle limiting hole (B); The lock head of described spacing slide block (61) extend in guiding lockhole (A), described slide block gag lever post (7) is shaped with the locking of the lock head with spacing slide block (61) and locates the annular lock groove (72) coordinated.
7. the slide block combination position-limit mechanism of a kind of die casting according to claim 6, it is characterized in that: described guide rail mechanism (4) is interval with two groups of side limit devices, every one side of correspondingly described slide block (32) is all shaped with two taper lock holes.
8. the slide block combination position-limit mechanism of a kind of die casting according to claim 7, it is characterized in that: the cover half die cavity (12) being fixedly mounted in the central cavity of cover half frame (11) lower surface that described cover half group (1) comprises cover half frame (11) and can dismantle, this cover half die cavity (12) is shaped with the patrix shape chamber of lower opening; The dynamic model die cavity (22) being fixedly mounted in the central cavity of dynamic model frame (21) upper surface that described dynamic model group (2) comprises dynamic model frame (21) and can dismantle, this dynamic model die cavity (22) is shaped with the counterdie shape chamber of upper shed, and described patrix shape chamber and the phase assembly of counterdie shape chamber constitute above-mentioned mould shape chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410660951.1A CN104384477B (en) | 2014-11-19 | 2014-11-19 | The slide block combination position-limit mechanism of a kind of die casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410660951.1A CN104384477B (en) | 2014-11-19 | 2014-11-19 | The slide block combination position-limit mechanism of a kind of die casting |
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| Publication Number | Publication Date |
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| CN104384477A CN104384477A (en) | 2015-03-04 |
| CN104384477B true CN104384477B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410660951.1A Active CN104384477B (en) | 2014-11-19 | 2014-11-19 | The slide block combination position-limit mechanism of a kind of die casting |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105583391B (en) * | 2016-02-29 | 2018-01-23 | 联禾厚普（太仓）精密机械有限公司 | A kind of water cooling take-up housing of die casting |
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|---|---|---|---|---|
| US4515342A (en) * | 1984-04-06 | 1985-05-07 | Borislav Boskovic | Slide retainer |
| US4765585A (en) * | 1987-02-27 | 1988-08-23 | Superior Die Set Corporation | Slide retainer for injection molds |
| CN201419237Y (en) * | 2009-05-31 | 2010-03-10 | 陆如辉 | Slide block jacking rod mechanism of die casting mould for gearbox |
| CN103008607A (en) * | 2012-12-04 | 2013-04-03 | 宁波勋辉电器有限公司 | Slide block limiting structure of die casting mold |
| CN203737991U (en) * | 2014-04-03 | 2014-07-30 | 宁波勋辉模具有限公司 | Combined tunnel-type guiding limiting structure of pressure casting die |
| CN204209098U (en) * | 2014-11-19 | 2015-03-18 | 宁波勋辉电器有限公司 | A kind of slide block combination position-limit mechanism of die casting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60216965A (en) * | 1984-04-11 | 1985-10-30 | Honda Motor Co Ltd | Insert-casting device |
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2014
- 2014-11-19 CN CN201410660951.1A patent/CN104384477B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4515342A (en) * | 1984-04-06 | 1985-05-07 | Borislav Boskovic | Slide retainer |
| US4765585A (en) * | 1987-02-27 | 1988-08-23 | Superior Die Set Corporation | Slide retainer for injection molds |
| CN201419237Y (en) * | 2009-05-31 | 2010-03-10 | 陆如辉 | Slide block jacking rod mechanism of die casting mould for gearbox |
| CN103008607A (en) * | 2012-12-04 | 2013-04-03 | 宁波勋辉电器有限公司 | Slide block limiting structure of die casting mold |
| CN203737991U (en) * | 2014-04-03 | 2014-07-30 | 宁波勋辉模具有限公司 | Combined tunnel-type guiding limiting structure of pressure casting die |
| CN204209098U (en) * | 2014-11-19 | 2015-03-18 | 宁波勋辉电器有限公司 | A kind of slide block combination position-limit mechanism of die casting |
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