CN210254109U - Casting mold for manufacturing gearbox of high-speed rail motor train unit - Google Patents
Casting mold for manufacturing gearbox of high-speed rail motor train unit Download PDFInfo
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- CN210254109U CN210254109U CN201921076214.1U CN201921076214U CN210254109U CN 210254109 U CN210254109 U CN 210254109U CN 201921076214 U CN201921076214 U CN 201921076214U CN 210254109 U CN210254109 U CN 210254109U
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Abstract
The utility model discloses a casting mould for manufacturing a gearbox of a high-speed rail motor train unit, which comprises an inner module component for forming all cavities of the gearbox; the center of interior module subassembly is equipped with the center and waters the piece, and the center waters the piece and has and pass the main runner in order to supply molten metal by interior module subassembly one end, still has a plurality of first ends and links to each other with main runner and the second end wears out so that the molten metal that flows into the main runner is respectively by the supplementary runner of interior module subassembly's both ends outflow. The molten metal that flows into main runner flows to interior module subassembly's both ends respectively by the center of interior module subassembly under the guide of supplementary runner, and the molten metal can realize two-way flow, has shortened the runner of molten metal, helps overcoming the poor problem of molten metal mobility to reduce the risk of defects such as shrinkage porosity or crackle appear in the gear box, consequently the utility model provides a casting mould for making high-speed railway EMUs gear box can promote the casting quality of aluminum alloy system gear box.
Description
Technical Field
The utility model relates to a casting field, in particular to a casting mould for making high-speed railway EMUs gear box.
Background
In recent years, with the rapid development of rail transit technology, high-speed rail motor train units have become the first choice of transportation means for most passengers to travel. The gear box is a core component on the power bogie of the high-speed rail motor train unit and is a core unit for realizing energy conversion and energy transmission of the high-speed rail motor train unit, so the safety and the reliability of the operation of the high-speed rail motor train unit are directly influenced by the working performance of the gear box. In order to meet the development requirements of high-speed and safe high-speed rail motor train units, the gear box gradually develops towards the direction of high strength and light weight.
The existing gear box is complex in structure and generally comprises a left side plate, a right side plate and a bottom side plate, wherein the left side plate and the right side plate are arranged oppositely, the bottom side plate is connected to the bottoms of the left side plate and the right side plate, the tops and the rear sides of the left side plate and the right side plate are fixedly connected into a whole through a circular arc-shaped connecting plate, the circular arc-shaped connecting plate is provided with a plurality of circular arc-shaped grooves, any two adjacent circular arc-shaped grooves are separated by a circular arc. Furthermore, an installation cavity for installing parts such as bearings is arranged between the left side plate and the right side plate, and the front sides of the left side plate and the right side plate are provided with open-type openings. In addition, the center of the left side plate is provided with a left mounting hole penetrating along the thickness direction, the center of the right side plate is provided with a right mounting hole penetrating along the thickness direction, and the left mounting hole and the right mounting hole are coaxially arranged and mutually communicated. Therefore, the gear box can be pushed out, and all cavities of the existing gear box comprise an arc-shaped groove, an installation cavity, an open opening, a left installation hole and a right installation hole.
In order to meet the light-weight requirement of the high-speed rail motor train unit, the gear box is cast by aluminum alloy instead of cast iron. However, because the aluminum alloy has the defects of low solidification temperature, poor flowability and the like in the casting process, and the complex structure of the gear box, when the existing casting mould for casting the iron gear box is used for casting the aluminum alloy gear box, the defects of shrinkage porosity, cracks and the like of the aluminum alloy gear box are easily caused because the existing casting mould is difficult to overcome the defects of the aluminum alloy liquid.
Therefore, how to improve the casting mold to improve the casting quality of the gear box made of aluminum alloy is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a casting mould for making high-speed railway EMUs gear box, the molten metal can two-way circulation, and the runner shortens, is favorable to overcoming the defect that the molten metal mobility is poor to promote the casting quality of aluminum alloy system gear box.
The specific scheme is as follows:
the utility model provides a casting mould for making high-speed railway EMUs gear box, include:
the inner module assembly is used for forming all cavities of the gearbox; the center of interior module subassembly is equipped with the center and waters the piece, and the center waters the piece and has and pass the main watering with the supply molten metal by interior module subassembly one end, and the center waters the piece and still has a plurality of first ends and links to each other with main watering and the second end wears out so that the molten metal that flows into the main watering is respectively watered by the supplementary watering that interior module subassembly's both ends flow.
Preferably, the method further comprises the following steps:
a first outer formwork having a first forming groove;
a second exterior mold shell having a second shaped groove; the first forming groove and the second forming groove are matched to form a forming cavity, and the inner module assembly is arranged in the forming cavity to be matched with the forming cavity to form a cavity with the contour shape consistent with that of the gear box.
Preferably, the inner module assembly comprises a first inner module and a second inner module which are arranged in the molding cavity, clamped on two sides of the central pouring block respectively and used for forming an outer contour shape matched with the contour shape of the installation cavity of the gear box in a matching mode.
Preferably, the first inner module is provided with a plurality of first flow guide holes for communicating the auxiliary pouring gate with the first forming groove, and the second inner module is provided with a plurality of second flow guide holes for communicating the auxiliary pouring gate with the second forming groove.
Preferably, the center block comprises:
a flow guide pipe which passes through the first inner module and is provided with a main pouring gate;
the first drainage plate is fixedly arranged on one side of the flow guide pipe, which is far away from the first inner module, and is provided with a plurality of first drainage holes which are distributed in a radial shape and are connected with all the first flow guide holes one by one;
set up with first drainage plate relatively and form the second drainage plate of whole supplementary watering in order to cooperate first drainage plate, the second drainage plate has a plurality of second drainage holes that are radial distribution and link to each other one by one with second water conservancy diversion hole.
Preferably, the inner module assembly further comprises:
the groove modules are arranged end to end and are respectively arranged at the top end and the rear end of the first inner module and the top end and the rear end of the second inner module, and the groove modules are matched with the first inner module and the second inner module to form a plurality of arc-shaped grooves with the outline shapes consistent with the inner outline shapes of the arc-shaped grooves.
Preferably, one side of the first inner module, which is far away from the central pouring block, is provided with a first cylindrical protrusion with an outer diameter consistent with the inner diameter of the left mounting hole, and one side of the second inner module, which is far away from the central pouring block, is provided with a second cylindrical protrusion with an outer diameter consistent with the inner diameter of the right mounting hole.
Preferably, the front end of the first inner module and the front end of the second inner module are both provided with an open module for forming an open opening.
Preferably, one side of the first inner module, which is close to the central pouring block, is provided with a mounting groove for mounting the central pouring block.
Preferably, the cooling iron further comprises a plurality of cooling irons which are provided with the peripheries of the inner module components to accelerate the reduction of local temperature.
Compared with the prior art, the utility model provides a casting mould for making high-speed railway EMUs gear box waters the piece including interior module subassembly and the center of locating interior module subassembly center.
When the gear box is cast, the central pouring block is arranged in the inner module assembly, and then the inner module is combined; and then pouring molten metal into the main pouring channel, wherein the molten metal flows into the auxiliary flow channels along the main pouring channel and then flows out from the two ends of the inner module component through the auxiliary flow channels respectively.
According to the aforesaid, the molten metal that flows into the main runner flows to the both ends of interior module subassembly respectively by the center of interior module subassembly under the guide of supplementary runner, also promptly the molten metal can realize two-way flow, has shortened the runner of molten metal, helps overcoming the poor problem of molten metal mobility to reduce the risk of defects such as shrinkage porosity or crackle appear in the gear box, consequently the utility model provides a casting mould for making high-speed railway EMUs gear box can promote the casting quality of aluminum alloy system gear box.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of a first outer shell mold according to an embodiment of the present invention;
FIG. 2 is a block diagram of a second exterior form;
FIG. 3 is a block diagram of the inner module assembly;
FIG. 4 is a side sectional view of FIG. 3;
FIG. 5 is a diagram showing the distribution of chills on the first inner mold block;
FIG. 6 is a front view of the first inner module;
FIG. 7 is a rear view of the first inner module;
FIG. 8 is a front view of the second inner module;
FIG. 9 is a block diagram of the center block;
FIG. 10 is a structural view of a first flow guide plate;
fig. 11 is a structural view of a second drainage plate.
The reference numbers are as follows:
the device comprises a first outer formwork 1, a second outer formwork 2, an inner module component 3, a central pouring block 4 and a chill 5;
a first forming groove 11;
a second forming groove 21;
a first inner module 31, a second inner module 32, a trench module 33 and an open module 34;
a first guide hole 311, a mounting groove 312 and a first cylindrical protrusion 313;
a second guide hole 321 and a second cylindrical protrusion 322;
a top trench module 331, a back trench module 332, and a transition trench module 333;
a main runner 41, an auxiliary runner 42, a flow guide pipe 43, a first flow guide plate 44 and a second flow guide plate 45;
a first drainage hole 431;
and a second drainage aperture 451.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 11, fig. 1 is a structural diagram of a first outer mold shell according to an embodiment of the present invention; FIG. 2 is a block diagram of a second exterior form; FIG. 3 is a block diagram of the inner module assembly; FIG. 4 is a side sectional view of FIG. 3; FIG. 5 is a diagram showing the distribution of chills on the first inner mold block; FIG. 6 is a front view of the first inner module; FIG. 7 is a rear view of the first inner module; FIG. 8 is a front view of the second inner module; FIG. 9 is a block diagram of the center block; FIG. 10 is a structural view of a first flow guide plate; fig. 11 is a structural view of a second drainage plate.
The embodiment of the utility model discloses casting mould for making high-speed railway EMUs gear box, the gear box here is formed by the casting of aluminium alloy liquid, and concrete structure can refer to prior art. The utility model discloses a key improvement point lies in optimizing the structure of column mould to the characteristic of adaptation aluminum alloy liquid.
The utility model discloses an interior module subassembly 3 waters piece 4 with the center of locating interior module subassembly 3 center. Wherein the inner module assembly 3 is used to form all cavities of the gearbox, the structure of all cavities being specifically referred to the prior art.
The center block 4 has a main runner 41 penetrated through one end of the inner block assembly 3 so that molten metal, which may be aluminum alloy liquid in a high temperature liquid state, is supplied through the main runner 41. The central pouring block 4 further has a plurality of auxiliary pouring channels 42, a first end of each auxiliary pouring channel 42 is communicated with the main pouring channel 41, and a second end of each auxiliary pouring channel 42 is respectively penetrated by two ends of the inner module component 3, so that the molten metal flowing into the main pouring channel 41 respectively flows out from two ends of the inner module component 3.
In this particular embodiment, the main runner 41 is embodied as an axial main pouring bore extending axially of the inner module assembly 3 and exiting centrally of one end of the inner module assembly 3. The auxiliary pouring gate 42 comprises a plurality of radial pouring holes which are communicated with the main pouring gate 41 and extend along the radial direction of the inner module component 3, the plurality of radial pouring holes are distributed in a radial manner, one end of each radial pouring hole, which is far away from the main pouring gate 41, is provided with an axial branch pouring hole which extends from the center of the inner module component 3 to the two ends of the inner module component 3, the two ends of the axial branch pouring hole penetrate out of the two ends of the inner module component 3 respectively, so that the molten metal flowing into the axial main pouring hole flows out of the axial branch pouring holes after being shunted by the radial pouring holes, and further flows out of the two ends of the inner module component 3.
When the gear box is cast, the central pouring block 4 is installed in the inner module component 3, and then the inner module 3 is combined; then, the molten metal is poured into the main runner 41, flows into the auxiliary runner 42 along the main runner 41, and then flows out from the two ends of the inner module assembly 3 through the auxiliary runner 42.
In conclusion, the molten metal that flows into main runner 41 flows to the both ends of interior module subassembly 3 respectively by the center of interior module subassembly 3 under the guide of supplementary watering 42, and the molten metal can realize two-way flow, has shortened the runner of molten metal, helps overcoming the poor problem of molten metal mobility to reduce the risk that defects such as shrinkage porosity or crackle appear in the gear box, consequently the utility model provides a casting mould for making high-speed railway EMUs gear box can promote the casting quality of aluminum alloy system gear box.
The utility model discloses still include first outer mould shell 1 and second outer mould shell 2, wherein, first outer mould shell 1 has first shaping groove 11. The shape of the inner side surface of the first forming groove 11 is consistent with the shape of the side surface of the first side of the gear box. In this embodiment, the first outer mold shell 1 is a resin sand mold shell formed by co-extrusion of a cope flask and a first outer template, which is made according to a gear box.
Similarly, the second housing shell 2 has a second profiled groove 21, the inner profile of the second profiled groove 21 corresponding to the profile of the second side of the gearbox. In this embodiment, the second outer mold shell 2 is a resin sand mold shell formed by co-extrusion of a drag flask and a second outer template, which is also formed from a gear box.
It should be added that the groove edges of the first forming groove 11 and the second forming groove 21 are both flat surfaces, so that the first external mold shell 1 and the second external mold shell 2 are buckled to form a closed forming cavity.
In order to form the gear box, the inner module component 3 is arranged in the forming cavity, so that the inner module component 3 is matched with the forming cavity to form a cavity with the contour shape consistent with that of the gear box, and the gear box is formed after the molten metal flowing into the cavity is solidified. In this particular embodiment, the configuration of the first forming groove 11 and the second forming groove 21 is specifically set according to the outer contour of the gear box, as long as the inner contour shape of the forming cavity is made to coincide with the outer contour shape of the gear box.
In this embodiment, the inner module assembly 3 includes a first inner module 31 and a second inner module 32, and abutting surfaces of the first inner module 31 and the second inner module 32 are both planes, and the two modules are fixedly connected by bonding. It should be noted that the first inner mold block 31 and the second inner mold block 32 are clamped on both sides of the central casting block 4. In this particular embodiment, the main runner 41 preferably passes through the first inner mold block 31 from the center of the first inner mold block 31.
The first inner die block 31 and the second inner die block 32 are both located in the forming die cavity, so that the overall outline shape of the first inner die block 31 and the second inner die block 32 after being matched with each other is consistent with the outline of the mounting die cavity of the gear box, and the mounting die cavity is conveniently formed.
Accordingly, the first inner module 31 has a mounting groove 312 for mounting the center block 4. In this embodiment, the mounting groove 312 is embodied as a central groove and five radial grooves radially disposed on the periphery of the central groove, each radial groove extends along the radial direction of the central groove, and five auxiliary grooves are uniformly distributed on the periphery of the central groove. Of course, the structure of the mounting groove 312 is not limited thereto, and the shape of the mounting groove 312 can be specifically set according to the outer contour shape of the center block 4.
In order to make the molten metal flow into the first forming groove 11, the first inner module 31 has a plurality of first guiding holes 311 for communicating the auxiliary runner 42 with the first forming groove 11; in order to make the molten metal flow into the second forming groove 21, the second inner mold block 32 is provided with a plurality of second guiding holes 321 for communicating the auxiliary runner 42 and the second forming groove 21, so that the molten metal can be pushed out, the molten metal flowing out from the auxiliary runner 42 is divided into two paths, one path passes through the first inner mold block 31 and then flows into the first forming groove 11, and the other path passes through the second inner mold block 32 and flows into the second forming groove 21.
In this embodiment, the first guiding holes 311 are square through holes penetrating along the thickness direction of the first inner mold block 31, the second guiding holes 321 are square through holes penetrating along the thickness direction of the second inner mold block 32, and the first guiding holes 311 and the second guiding holes 321 are uniformly distributed in a circular ring shape. Of course, the structure and distribution of the first guide holes 311 and the second guide holes 321 are not limited thereto.
In this particular embodiment, the central casting block 4 comprises a flow guide tube 43, a first flow guide plate 44 and a second flow guide plate 45, wherein the flow guide tube 43 passes through the first inner module 31 and the center of the flow guide tube 43 has the main runner 41. Accordingly, the first inner module 31 is provided with a through hole through which the draft tube 43 passes. In this embodiment, the diversion holes are cylindrical hollow tubes, but are not limited thereto.
The first drainage plate 44 is arranged on one side of the draft tube 43 far away from the first inner module 31, the first drainage plate 44 is provided with a plurality of first radial plates distributed in a radial manner, and one end of each first radial plate far away from the draft tube 43 is provided with a first drainage hole 431. In order to ensure that the molten metal flows into the first forming groove 11, each of the first flow guide holes 431 corresponds to one of the first flow guide holes 311. In this embodiment, the first flow guiding holes 431 are square through holes penetrating in the thickness direction of the first flow guiding plate 44, and the cross-sectional area of the first flow guiding holes 431 is the same as that of the first flow guiding holes 311. The first flow guide plate 44 is specifically provided with five first radial plates which are uniformly distributed in a radial shape.
The second drainage plate 45 sets up with first drainage plate 44 relatively, and second drainage plate 45 has a plurality of second radial plates that are radial distribution, and every second radial plate is by respectively being equipped with a drainage groove to one side of first drainage plate 44. The second flow guide plates 45 also include annular plates that communicate with each of the second radial plates to increase the strength of the second flow guide plates 45. One end of each drainage groove far away from the drainage pipe 43 is provided with a second drainage hole 451. To ensure that the molten metal flows into the second forming groove 21, each of the second guide holes 451 corresponds to one of the second guide holes 321. In this embodiment, the second flow guiding holes 451 are square through holes penetrating in the thickness direction of the second flow guiding plate 45, and the cross-sectional area of the second flow guiding holes 451 is the same as that of the second flow guiding holes 321. The second drainage plate 45 is specifically provided with five second radial plates which are radially and uniformly distributed.
After the first drainage plate 44 is matched with the second drainage plate 45, the first radial plate abuts against the second radial plate, all the first radial plates correspondingly cover the drainage grooves, so that auxiliary pouring channels 42 with closed cross sections are formed, and each auxiliary pouring channel 42 is correspondingly communicated with the first flow guide holes 311 and the second flow guide holes 321.
Of course, the structure of the center block 4 is not limited thereto.
Optionally, the inner module assembly 3 further includes a plurality of groove modules 33 connected end to end, the plurality of groove modules 33 are respectively disposed at the top end and the rear end of the first inner module 31 and disposed at the top end and the rear end of the second inner module 32, the groove modules 33 cooperate with the first inner module 31 and the second inner module 32 to form a plurality of circular arc grooves, and the contour shape of each circular arc groove is identical to the inner contour shape of the circular arc groove, so as to form the circular arc groove. In this embodiment, the trench module 33 includes a top trench module 331 disposed at both the top end of the first inner module 31 and the top end of the second inner module 32, a rear trench module 332 disposed at both the rear end of the first inner module 31 and the rear end of the second inner module 32, and a transition trench module 333 smoothly connected between the top trench module 331 and the rear trench module 332, although the structure of the trench module 33 is not limited thereto.
Optionally, a side of the first inner mold block 31 away from the central casting block 4 is provided with a first cylindrical protrusion 313 having an outer diameter consistent with an inner diameter of the left mounting hole, and a side of the second inner mold block 32 away from the central casting block 4 is provided with a second cylindrical protrusion 322 having an outer diameter consistent with an inner diameter of the right mounting hole, so as to cooperatively form the left mounting hole and the right mounting hole. In this embodiment, the first cylindrical protrusion 313 protrudes from the outer side of the first inner mold block 31 in a direction away from the first inner mold block 31, and similarly, the second cylindrical protrusion 322 protrudes from the outer side of the second inner mold block 32 in a direction away from the second inner mold block 32.
Optionally, the front end of the first inner module 31 and the front end of the second inner module 32 are each provided with an open module 34, the open module 34 being used to form an open opening and to communicate the open opening with the installation cavity. The open module 34 is a rectangular parallelepiped projection, but is not limited thereto, and may be determined according to the shape of the open opening.
For making the metal liquid quick and even cooling, the utility model discloses still include a plurality of chills 5 of locating 3 peripheries of interior module component to accelerate to reduce local temperature, be favorable to promoting the casting quality of gear box. In this particular embodiment, the chiller 5 may be copper, but is not limited thereto.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A casting mould for manufacturing a gearbox of a high-speed rail motor train unit is characterized by comprising:
an inner module component (3) used for forming all cavities of the gear box; the center of interior module subassembly (3) is equipped with central pouring block (4), central pouring block (4) have by interior module subassembly (3) one end is passed and is watered (41) with the main of supplying molten metal, central pouring block (4) still have a plurality of first ends with main watering (41) link to each other and the second end respectively by the both ends of interior module subassembly (3) are worn out so that flow in the molten metal of main watering (41) respectively by supplementary watering (42) that the both ends of interior module subassembly (3) flowed out.
2. The casting mold for manufacturing the gearbox of the high-speed railway motor train unit according to claim 1, further comprising:
a first outer formwork (1) having a first profiled groove (11);
a second shell (2) with a second profile groove (21); the first forming groove (11) and the second forming groove (21) are matched to form a forming cavity, and the inner module component (3) is arranged in the forming cavity to be matched with the forming cavity to form a cavity with the contour shape consistent with that of the gear box.
3. The casting mold for manufacturing the gearbox of the high-speed rail motor train unit according to claim 2, wherein the inner module assembly (3) comprises a first inner module (31) and a second inner module (32) which are arranged in the forming cavity, clamped on two sides of the central pouring block (4) respectively and used for forming an outer contour shape in accordance with the contour shape of the mounting cavity of the gearbox in a matched mode.
4. The casting mold for manufacturing the gearbox of the high-speed railway motor train unit as claimed in claim 3, wherein the first inner mold block (31) is provided with a plurality of first guide holes (311) for communicating the auxiliary runner (42) and the first forming groove (11), and the second inner mold block (32) is provided with a plurality of second guide holes (321) for communicating the auxiliary runner (42) and the second forming groove (21).
5. The casting mold for manufacturing a gearbox of a high-speed railway motor train unit according to claim 4, wherein the center block (4) comprises:
a flow-guide tube (43) passing through the first inner module (31) and having the main runner (41);
the first flow guide plate (44) is fixedly arranged on one side, away from the first inner module (31), of the flow guide pipe (43), and the first flow guide plate (44) is provided with a plurality of first flow guide holes (431) which are radially distributed and are connected with all the first flow guide holes (311) one by one;
and the second drainage plate (45) is arranged opposite to the first drainage plate (44) and is matched with the first drainage plate (44) to form the whole auxiliary pouring channel (42), and the second drainage plate (45) is provided with a plurality of second drainage holes (451) which are radially distributed and are connected with the second drainage holes (321) one by one.
6. The casting mold for manufacturing a gearbox of a high-speed railway motor train unit according to any one of claims 3 to 5, wherein the inner module assembly (3) further comprises:
the groove modules (33) are arranged end to end and are respectively arranged at the top end and the rear end of the first inner module (31) and the top end and the rear end of the second inner module (32), and the groove modules (33) are matched with the first inner module (31) and the second inner module (32) to form a plurality of arc-shaped grooves with the outline shapes consistent with the inner outline shapes of the arc-shaped grooves.
7. The casting mold for manufacturing the gearbox of the high-speed rail motor train unit according to any one of claims 3 to 5, wherein one side of the first inner module (31) away from the central casting block (4) is provided with a first cylindrical protrusion (313) with an outer diameter consistent with the inner diameter of a left mounting hole, and one side of the second inner module (32) away from the central casting block (4) is provided with a second cylindrical protrusion (313) with an outer diameter consistent with the inner diameter of a right mounting hole.
8. The casting mold for manufacturing a gearbox for a high-speed railway motor train unit according to any one of claims 3 to 5, characterized in that the front end of the first inner module (31) and the front end of the second inner module (32) are each provided with an open module (34) for forming an open opening.
9. The casting mold for manufacturing the gearbox of the high-speed rail motor train unit according to any one of claims 3 to 5, wherein a side, close to the center block (4), of the first inner module (31) is provided with a mounting groove (312) for mounting the center block (4).
10. The casting mold for manufacturing the gearbox of the high-speed rail motor train unit as claimed in claim 2, further comprising a plurality of chills (5) arranged on the periphery of the inner module assembly (3) to accelerate the local temperature reduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921076214.1U CN210254109U (en) | 2019-07-10 | 2019-07-10 | Casting mold for manufacturing gearbox of high-speed rail motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921076214.1U CN210254109U (en) | 2019-07-10 | 2019-07-10 | Casting mold for manufacturing gearbox of high-speed rail motor train unit |
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| CN210254109U true CN210254109U (en) | 2020-04-07 |
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| CN201921076214.1U Active CN210254109U (en) | 2019-07-10 | 2019-07-10 | Casting mold for manufacturing gearbox of high-speed rail motor train unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111906260A (en) * | 2020-08-10 | 2020-11-10 | 丁建丽 | Gear casting forming process |
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2019
- 2019-07-10 CN CN201921076214.1U patent/CN210254109U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111906260A (en) * | 2020-08-10 | 2020-11-10 | 丁建丽 | Gear casting forming process |
| CN111906260B (en) * | 2020-08-10 | 2021-05-04 | 常州海吉晟金属材料科技有限责任公司 | Gear casting forming process |
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