CN211588480U - Mould for processing reducer gear box - Google Patents
Mould for processing reducer gear box Download PDFInfo
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- CN211588480U CN211588480U CN201922438699.0U CN201922438699U CN211588480U CN 211588480 U CN211588480 U CN 211588480U CN 201922438699 U CN201922438699 U CN 201922438699U CN 211588480 U CN211588480 U CN 211588480U
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Abstract
A mould for processing a speed reducer gearbox comprises a fixed mould frame, a movable mould frame, a fixed mould core and a movable mould core, wherein a sprue bush is arranged on the fixed mould frame, a splitter is arranged on the movable mould frame, the fixed mould core is provided with a fixed mould cavity, the movable mould core is provided with a movable mould cavity, the mould cavity is of a mould-cavity structure, the mould cavity consists of the fixed mould cavity, the movable mould cavity, a first slide block and a second slide block, and the fixed mould cavity comprises a first groove and a second groove; the movable mold cavity comprises a first boss and a second boss; the upper side surface of the movable mold core is provided with a first sliding block, and the first sliding block is matched with the upper side surface of the second boss; the left side surface of the movable mold core is provided with a second sliding block, and the second sliding block is matched with the left side surface of the second boss; the first sliding block and the second sliding block are respectively arranged on a sliding block seat, and each sliding block seat is connected with an oil cylinder. The utility model provides an original structure easily cause the foundry goods to produce the problem of gas pocket, improved the quality of product.
Description
Technical Field
The utility model mainly relates to the field of dies, concretely relates to mould of processing reduction gear box.
Background
The casting mould has great influence on the quality of products, particularly when the split mould is adopted for molding, a parting surface is arranged in the casting mould, the defect of wrong box is easy to generate, if a casting is also provided with a hole structure, because an insert and a core are needed, the shape and size deviation is easier to generate, and the shape precision of the casting mould is influenced, so that the quality of the products is influenced. And the product quality is affected by improper selection of the molding cavity structure and the forms of the runner and the sprue. Meanwhile, the installation angle and the precision of the mold core of the existing mold are frequently required to be repeatedly debugged when the product is maintained and assembled, but the common mold core is difficult to take down, and the mold core is easy to wear due to improper taking down mode sometimes, so that the manufacturing precision of the product is influenced. The existing speed reducer gear box mould easily causes the air holes on the casting of the speed reducer gear box.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a mould of processing reduction gear box.
The purpose of the utility model can be realized by the following technical scheme: a mould for processing a speed reducer gearbox comprises a fixed mould frame, a movable mould frame, a fixed mould core and a movable mould core, wherein a sprue bush is arranged on the fixed mould frame, a splitter is arranged on the movable mould frame, the fixed mould core is provided with a fixed mould cavity, the movable mould core is provided with a movable mould cavity, the mould cavity is of a mould-cavity structure, and the mould cavity consists of the fixed mould cavity, the movable mould cavity, a first slide block and a second slide block; the fixed die cavity comprises a first groove and a second groove which are communicated left and right, the right end of the first groove is semicircular, the left end of the second groove is arched, the depth of the first groove is smaller than that of the second groove, the left end of the first groove is connected with the right end of the second groove through an arc concave surface, the bottom surface of the first groove is provided with a first cylinder, the bottom surface of the second groove is provided with a second cylinder, the outer sides of the upper side wall, the semicircular side wall and the lower side wall of the first groove and the outer sides of the arc side wall and the lower side wall of the second groove are respectively provided with a plurality of small semicircular grooves which are communicated along the edges, the outer side of the upper side wall of the second groove is provided with a rectangular groove which is communicated, the bottom surface of the rectangular groove is provided with a rectangular convex block, the outer side of the lower side wall of the second groove is provided with a strip-; the movable mold cavity comprises a first boss corresponding to the first groove and a second boss corresponding to the second groove, the right end of the first boss is semicircular, the left end of the second boss is arched, the height of the first boss is smaller than that of the second boss, the left end of the first boss is connected with the right end of the second boss through an arc convex surface corresponding to an arc concave surface, a first threaded cylinder corresponding to the first cylinder is arranged on the top surface of the first boss, the end surface of the first threaded cylinder abuts against the end surface of the first cylinder, a second threaded cylinder corresponding to the second cylinder is arranged on the top surface of the second boss, and the end surface of the second threaded cylinder abuts against the end surface of the second cylinder; the upper side surface of the movable mold core is provided with a first sliding block, the lower side surface of the first sliding block is provided with a cylindrical lug, and the cylindrical lug is matched with the upper side surface of the second boss; a second sliding block is arranged on the left side surface of the movable mold core, a side protruding block is arranged on the right side surface of the second sliding block, and the right side surface of the side protruding block is an arc concave surface and matched with the left side surface of the second boss; the first sliding block and the second sliding block are respectively installed on a sliding block seat, the sliding block seats are arranged in the movable die frame, pressing strips and wear-resisting plates matched with the sliding block seats are arranged on the movable die frame, each sliding block seat is connected with an oil cylinder, and the oil cylinders are installed on the side faces of the movable die frame through supporting seats.
Furthermore, the sub-runners on the fixed mold core, the sub-runners and the movable mold core are funnel-shaped and divided into a plurality of branches, and the plurality of branches are communicated with the first groove and the second groove through side gates.
Furthermore, slag ladles are arranged on the peripheral sides of the fixed die cavity and the movable die cavity, an exhaust groove communicated with the slag ladles is formed in the movable die core, and exhaust blocks communicated with the exhaust groove are formed in the fixed die frame and the movable die frame.
The utility model discloses combine reduction gear box structural design die cavity, during the die-casting, aluminium liquid pours into in the runner cover, shunts through the reposition of redundant personnel, flows into the die cavity through subchannel and side runner again, and at the filling casting die cavity in the time of short limit, the pressurization forges in the aluminium liquid cooling process, casts out high-quality reduction gear box product. The fixed die cavity, the movable die cavity, the first sliding block and the second sliding block form a die cavity for forming the speed reducer gear box, the oil cylinder on the upper side pulls the sliding block seat to drive the first sliding block to loose cores towards the upper side, and the oil cylinder on the left side pulls the sliding block seat to drive the second sliding block to loose cores towards the left side. The formed reducer gearbox casting is ejected out through the ejector pin after the mold is opened, and is exhausted by matching with the slag ladle, the exhaust groove and the exhaust block, so that the problem that the casting is prone to generate air holes in the original structure is solved, and the quality of a product is improved.
Drawings
Fig. 1 is a schematic bottom view of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic view of the fixed mold structure of the present invention.
Fig. 4 is a schematic structural diagram of the moving mold of the present invention.
Fig. 5 is a schematic structural view of the set mold cavity at a in fig. 3.
Fig. 6 is a schematic structural view of the movable mold cavity at B in fig. 4.
The parts in the figures are numbered as follows:
1 fixed die frame, 2 fixed die frame anti-collision plates, 3 movable die frames, 4 movable die frame anti-collision plates, 5 die feet, 6 anti-collision columns, 7 thimble fixing plates, 8 push plates, 9 support columns, 10 top plate guide columns, 11 top plate guide sleeves, 12 top plate limiting plates, 13 sprue sleeves, 14 fixed die cores, 15 shunt cores, 16 movable die cores, 17 guide columns, 18 guide sleeves, 19 thimble, 20 reset rods, 21 cooling water channels, 22 flow channels, 23 slag ladles, 24 exhaust grooves, 25 exhaust blocks, 26 first grooves, 27 second grooves, 28 arc concave surfaces, 29 first cylinders, 30 second cylinders, 31 small semicircular grooves, 32 rectangular grooves, 33 rectangular convex blocks, 34 strip-shaped grooves, 35 strip-shaped protrusions, 36 first bosses, 37 second bosses, 38 arc convex surfaces, 39 first threaded cylinders, 40 second threaded cylinders, 41 first sliders, 42 cylindrical protrusions, 43 second sliders, 44 side convex blocks, 45 seat sliders, 45 slide blocks, 45 seat sliders, and 6 slide blocks, 46 hold-down strip, 47 wear plate, 48 oil cylinder.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.
As shown in fig. 1 to 4, a die for processing a gearbox of a speed reducer adopts a horizontal die casting machine, is horizontally installed, and mainly comprises a fixed die part, a movable die part, an ejection part, a resetting part, a guide part, a cooling part, a pouring part, an exhaust part, a supporting part, a die placement protecting part and a hanging ring.
And the fixed die part comprises a fixed die frame 1 and a fixed die core 14 arranged in the fixed die frame 1, and the fixed die core 14 is provided with a fixed die cavity.
And the movable mould part comprises a movable mould frame 3 and a movable mould core 16 arranged in the movable mould frame 3, one side of the movable mould frame 3 is matched with the fixed mould frame 1, the movable mould core 16 is provided with a movable mould cavity, the movable mould core 16 is matched with the fixed mould core 14, and the movable mould cavity and the fixed mould cavity are matched to form a complete mould cavity.
The ejection part is arranged on the other side of the movable mold frame 3 and comprises ejector pins 19, ejector pin fixing plates 7, ejector plates 8 and ejector plate limiting plates 12, the ejector pin fixing plates 7, the ejector plates 8 and the ejector plate limiting plates 12 are sequentially arranged on the other side of the movable mold frame 3, the tail portions of the ejector pins 19 are fixed on the ejector pin fixing plates 7, and the head portions of the ejector pins 19 sequentially penetrate through the movable mold frame 3 and the movable mold core 16.
The reset part comprises four reset rods 20, the tails of the four reset rods 20 are respectively fixed at four corners of the thimble fixing plate 7, the heads of the four reset rods 20 sequentially penetrate through the movable mold frame 3 and the movable mold core 16 and then abut against the fixed mold core 14, and the reset rods 20 drive the thimble fixing plate 7 to reset during mold closing.
The guide part comprises an ejection guide part and a die guide part, the ejection guide part is composed of a top plate guide sleeve 11 and a top plate guide pillar 10, the top plate guide sleeve 11 is fixed on the ejector pin fixing plate 7 and the push plate 8, the top plate guide pillar 10 penetrates through the top plate guide sleeve 11, one end of the top plate guide pillar 10 is fixed with the movable die frame 3, and a step on the top plate guide pillar 10 plays a role in limiting the ejector pin fixing plate 7. The die guide part consists of a guide sleeve 18 and a guide post 17, the guide sleeve 18 is fixed on the movable die frame 3, one end of the guide post 17 is fixed on the fixed die frame 1, and the other end of the guide post 17 is arranged in the guide sleeve 18 in a penetrating way.
And the cooling part comprises a cooling water channel 21, the cooling water channel 21 is respectively arranged in the fixed mold frame 1 and the movable mold frame 3 and is arranged close to the movable mold cavity and the fixed mold cavity, the cooling water channel 21 is provided with a water channel inlet and a water channel outlet, and the water channel inlet and the water channel outlet are both arranged on the side surfaces of the fixed mold frame 1 and the movable mold frame 3. The cooling water path 21 is used for controlling the temperature of the mold and prolonging the service life of the mold.
The pouring part comprises a sprue bush 13, a splitter 15 and a runner 22, the runner 22 comprises a main runner, a splitter and a pouring gate, the sprue bush 13 is arranged on a fixed mold frame 1, the main runner is arranged in the sprue bush 13, the splitter 15 is arranged on a movable mold frame 3 and is connected with the sprue bush 13 and the movable mold core 16, splitter grooves forming the splitter are formed in the fixed mold core 14, the splitter 15 and the movable mold core 16, the splitter is communicated with a mold cavity through the pouring gate, and the pouring gate is a side pouring gate.
And the exhaust part comprises slag ladles 23, exhaust grooves 24 and exhaust blocks 25, the slag ladles 23 are arranged on the peripheral sides of the fixed die cavity and the movable die cavity and communicated with the die cavities, the exhaust grooves 24 are arranged on the movable die core 16 and communicated with the slag ladles 23, and the exhaust blocks 25 are arranged on the fixed die frame 1 and the movable die frame 3 and communicated with the exhaust grooves 24.
The supporting part comprises supporting columns 9 and mould feet 5, the supporting columns 9 and the mould feet 5 are arranged on the other side of the movable mould frame 3, one ends of the supporting columns 9 penetrate through the center of the ejector pin fixing plate 7 and the push plate 8, the other ends of the supporting columns support on the movable mould frame 3, and the mould feet 5 are arranged on two sides of the ejector pin fixing plate 7 and the push plate 8 respectively and are fixed with the movable mould frame 3. When the punch of the die casting machine is injected, the supporting columns 9 enhance the shear strength of the die along with huge impact force, and prevent the die from deforming to influence the size of a casting.
The protection part is placed to the mould, and it includes places planar cover half frame anticollision board 2, movable mould frame anticollision board 4, bumping post 6 as the mould, and cover half frame anticollision board 2 sets up water route entry and the side of water route export place on cover half frame 1, and movable mould frame anticollision board 4 sets up water route entry and the side of water route export place on movable mould frame 3, and bumping post 6 sets up in the side of mould foot 5 with cover half frame anticollision board 2, 4 homonymies of movable mould frame anticollision board. The fixed die frame anti-collision plate 2, the movable die frame anti-collision plate 4 and the anti-collision column 6 play a role in protecting an external water pipe of the cooling water channel 21.
And the lifting rings are respectively arranged on the side surfaces of the fixed mold frame 1 and the movable mold frame 3.
The die cavity is of a one-die one-cavity structure and consists of a fixed die cavity, a movable die cavity, a first sliding block 41 and a second sliding block 43.
As shown in fig. 3 and 5, the fixed mold cavity comprises a first groove 26 and a second groove 27 which are communicated with each other left and right, the right end of the first groove 26 is semicircular, the left end of the second groove 27 is arched, the depth of the first groove 26 is smaller than that of the second groove 27, the right end of the first groove 26 is connected with the left end of the second groove 27 through an arc concave surface 28, the bottom surface of the first groove 26 is provided with a first cylinder 29, the bottom surface of the second groove 27 is provided with a second cylinder 30, the outer sides of the upper side wall, the semicircular side wall and the lower side wall of the first groove 26 and the outer sides of the arc side wall and the lower side wall of the second groove 27 are provided with a plurality of small semicircular grooves 31 which are communicated with each other along the edges, the outer side of the upper side wall of the second groove 27 is provided with a rectangular groove 32 which is communicated with each other, the bottom surface of the rectangular groove 32 is provided with a rectangular projection 33, the outer, the bottom surface of the second rectangular groove 32 is provided with a bar-shaped protrusion 35.
As shown in fig. 4 and 6, the movable die cavity comprises a first boss 36 corresponding to the first groove 26 and a second boss 37 corresponding to the second groove 27, the right end of the first boss 36 is semicircular, the left end of the second boss 37 is arched, the height of the first boss 36 is smaller than that of the second boss 37, the left end of the first boss 36 and the right end of the second boss 37 are connected through an arc convex surface 38 corresponding to the arc concave surface 28, the top surface of the first boss 36 is provided with a first threaded cylinder 39 corresponding to the first cylinder 29, the end surface of the first threaded cylinder 39 abuts against the end surface of the first cylinder 29, the top surface of the second boss 37 is provided with a second threaded cylinder 40 corresponding to the second cylinder 30, and the end surface of the second threaded cylinder 40 abuts against the end surface of the second cylinder 30.
The upper side of the movable mold core 16 is provided with a first sliding block 41, the lower side of the first sliding block 41 is provided with a cylindrical projection 42, and the cylindrical projection 42 is matched with the upper side of the second boss 37.
The left side surface of the movable mold core 16 is provided with a second slide block 43, the right side surface of the second slide block 43 is provided with a side convex block 44, and the right side surface of the side convex block 44 is an arc concave surface and is matched with the left side end side surface of the second convex block 37.
The first slider 41 and the second slider 43 are respectively installed on a slider seat 45, the slider seat 45 is arranged in the movable mold frame 3, two pressing strips 46 and a wear-resisting plate 47 matched with the slider seat 45 are arranged on the movable mold frame 3, each slider seat 45 is connected with an oil cylinder 48, and the oil cylinders 48 are installed on the side face of the movable mold frame 3 through supporting seats.
The sub-runners on the fixed mold core 14, the sub-runners 15 and the movable mold core 16 are funnel-shaped and divided into a plurality of branches, and the branches are communicated with the first groove 26 and the second groove 27 through side gates.
Whole mould is horizontal installation on the die casting machine, and cover half frame 1 is fixed at the die casting machine, and movable mould frame 3 is fixed on the die casting machine and is accurate to slide. When the die is closed, aluminum liquid is injected from the sprue bush 13, is shunted by the shunt 15, and flows into the die cavity through the shunt channel and the side sprue, and the fixed die cavity, the movable die cavity, the first slide block 41 and the second slide block 43 are combined into the reducer gearbox casting. And finally, the oil cylinder 48 at the upper side pulls the slider seat 45 to drive the first slider 41 to move upwards, the oil cylinder 48 at the left side pulls the slider seat 45 to drive the second slider 43 to move leftwards, so that side core pulling is realized, and the casting of the speed reducer gearbox is ejected out through the ejector pin 19 after the die is opened. In the whole process, the cooling water path 21 is supplied with water to cool and control the mold temperature. The aluminum liquid flows at high speed in the runner 22, and can fill the die cavity in a very short time to cast a high-quality reducer gearbox casting. And (5) closing the die again, wherein the fixed die core 14 drives the reset rod 20 to reset the thimble fixing plate 7 to prepare for next ejection.
It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (3)
1. A mould for processing a reducer gearbox comprises a fixed mould frame, a movable mould frame, a fixed mould core and a movable mould core, wherein a sprue bush is arranged on the fixed mould frame, a splitter is arranged on the movable mould frame, the fixed mould core is provided with a fixed mould cavity, and the movable mould core is provided with a movable mould cavity;
the fixed die cavity comprises a first groove and a second groove which are communicated left and right, the right end of the first groove is semicircular, the left end of the second groove is arched, the depth of the first groove is smaller than that of the second groove, the left end of the first groove is connected with the right end of the second groove through an arc concave surface, the bottom surface of the first groove is provided with a first cylinder, the bottom surface of the second groove is provided with a second cylinder, the outer sides of the upper side wall, the semicircular side wall and the lower side wall of the first groove and the outer sides of the arc side wall and the lower side wall of the second groove are respectively provided with a plurality of small semicircular grooves which are communicated along the edges, the outer side of the upper side wall of the second groove is provided with a rectangular groove which is communicated, the bottom surface of the rectangular groove is provided with a rectangular convex block, the outer side of the lower side wall of the second groove is provided with a strip-;
the movable mold cavity comprises a first boss corresponding to the first groove and a second boss corresponding to the second groove, the right end of the first boss is semicircular, the left end of the second boss is arched, the height of the first boss is smaller than that of the second boss, the left end of the first boss is connected with the right end of the second boss through an arc convex surface corresponding to an arc concave surface, a first threaded cylinder corresponding to the first cylinder is arranged on the top surface of the first boss, the end surface of the first threaded cylinder abuts against the end surface of the first cylinder, a second threaded cylinder corresponding to the second cylinder is arranged on the top surface of the second boss, and the end surface of the second threaded cylinder abuts against the end surface of the second cylinder;
the upper side surface of the movable mold core is provided with a first sliding block, the lower side surface of the first sliding block is provided with a cylindrical lug, and the cylindrical lug is matched with the upper side surface of the second boss;
a second sliding block is arranged on the left side surface of the movable mold core, a side protruding block is arranged on the right side surface of the second sliding block, and the right side surface of the side protruding block is an arc concave surface and matched with the left side surface of the second boss;
the first sliding block and the second sliding block are respectively installed on a sliding block seat, the sliding block seats are arranged in the movable die frame, pressing strips and wear-resisting plates matched with the sliding block seats are arranged on the movable die frame, each sliding block seat is connected with an oil cylinder, and the oil cylinders are installed on the side faces of the movable die frame through supporting seats.
2. The mold for manufacturing the reducer gearbox according to claim 1, wherein the runners of the fixed mold core, the splitter and the movable mold core are funnel-shaped and divided into a plurality of branches, and the plurality of branches are communicated with the first groove and the second groove through side gates.
3. The mold for manufacturing the reducer gearbox according to claim 1, wherein the slag ladle is disposed around the fixed mold cavity and the movable mold cavity, the movable mold core is provided with an exhaust groove communicated with the slag ladle, and the fixed mold frame and the movable mold frame are provided with an exhaust block communicated with the exhaust groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922438699.0U CN211588480U (en) | 2019-12-30 | 2019-12-30 | Mould for processing reducer gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922438699.0U CN211588480U (en) | 2019-12-30 | 2019-12-30 | Mould for processing reducer gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211588480U true CN211588480U (en) | 2020-09-29 |
Family
ID=72597806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922438699.0U Active CN211588480U (en) | 2019-12-30 | 2019-12-30 | Mould for processing reducer gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211588480U (en) |
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2019
- 2019-12-30 CN CN201922438699.0U patent/CN211588480U/en active Active
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