New energy auxiliary frame casting device
By designing four casting units and a filtration system, the problems of slow filling speed and long path in the casting device for new energy vehicle subframes were solved, achieving rapid and stable molten metal filling and improving casting quality and stability.
Patent Information
- Application Number
- CN202511134040.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-13
- Publication Date
- 2025-12-09
AI Technical Summary
The existing casting equipment for new energy vehicle subframes uses a single casting unit, which results in slow filling and a long filling path, making it prone to problems such as cold shuts, material shortages at distant ends, and localized overheating.
The design employs four casting units, combined with a filter plate and a slag collection bag. Through the combination of multiple horizontal and vertical gating gates, it achieves rapid filtration of molten metal and slow filling, shortens the filling path, and avoids aggressive spray filling.
It increases casting speed, avoids cold shuts and porosity defects, ensures uniform molten metal temperature, reduces the risk of material shortage at distant ends and local overheating, and improves casting quality.
Smart Images
Figure CN121082818A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of new energy auxiliary frame production, in particular to a new energy auxiliary frame casting device. BACKGROUND
[0002] The new energy auxiliary frame, as a core component of the automobile chassis, can connect the suspension system, steering system and braking system with the vehicle body, ensure the precise position of each component and maintain the normal driving posture of the vehicle. Compared with the traditional structure, the new energy auxiliary frame has the characteristics of large size, complex structure, more deep grooves, cavity matching surfaces and thin wall thickness, etc. Therefore, it is necessary to use a special new energy auxiliary frame casting device for casting production, which has high requirements for casting precision and quality control.
[0003] Some existing new energy auxiliary frame casting devices have some problems in use. First, the existing new energy auxiliary frame casting devices mostly use a single casting unit for casting, which can only fill the mold through a single path. This way is slow and prone to cold shut during filling. Second, the existing new energy auxiliary frame casting device has a simple sprue, and the filling path of the metal liquid is long, which is prone to "remote material shortage" or "local overheating" during filling. Therefore, a new energy auxiliary frame casting device is proposed to solve the above problems. SUMMARY
[0004] The purpose of the present application is to provide a new energy auxiliary frame casting device to solve the problem of slow filling and long filling path caused by using a single casting unit for casting in some existing new energy auxiliary frame casting devices.
[0005] To achieve the above purpose, the present application provides the following technical solutions:
[0006] The utility model provides a new energy auxiliary frame casting device, including sand mould subassembly, first casting unit, second casting unit, third casting unit and fourth casting unit, the inside installation of sand mould subassembly has first casting unit, first casting unit includes first sprue, the lower end fixed connection of first sprue has first vertical pipe, the lower side installation of first vertical pipe has first slag collecting ladle, the lower end installation of first slag collecting ladle has first filter plate, the lower end installation of first filter plate has first shunt bin, the left and right two ends of first shunt bin are all fixedly connected with first runner, the one end close to tube core sand mould group of first runner is equipped with a plurality of first cross gate, the inside installation of sand mould subassembly has second casting unit, second casting unit includes second sprue, the lower end fixed connection of second sprue has second vertical pipe, the lower side installation of second vertical pipe has second slag collecting ladle, the lower end installation of second slag collecting ladle has second filter plate, the lower end installation of second filter plate has second shunt bin, the front and rear two ends of second shunt bin are all fixedly connected with second runner, the one end close to tube core sand mould group of second runner is equipped with a plurality of second cross gate, the inside installation of sand mould subassembly has third casting unit, third casting unit includes third sprue, the lower end fixed connection of third sprue has third vertical pipe, the lower side installation of third vertical pipe has third slag collecting ladle, the lower end installation of third slag collecting ladle has third filter plate, the lower end installation of third filter plate has third shunt bin, the left and right two ends of third shunt bin are all fixedly connected with third runner, the one end close to tube core sand mould group of third runner is equipped with a plurality of third cross gate, the inside installation of sand mould subassembly has fourth casting unit, fourth casting unit includes fourth sprue, the lower end fixed connection of fourth sprue has fourth vertical pipe, the lower side installation of fourth vertical pipe has fourth slag collecting ladle, the lower end installation of fourth slag collecting ladle has fourth filter plate, the lower end installation of fourth filter plate has fourth shunt bin, the front and rear two ends of fourth shunt bin are all fixedly connected with fourth runner, the one end close to tube core sand mould group of fourth runner is equipped with a plurality of fourth cross gate.
[0007] Preferably, the sand mould subassembly includes a lower contour sand mould, an upper contour sand mould is installed on the upper side of the lower contour sand mould, a first insert sand mould, a second insert sand mould, and a third insert sand mould are installed between the lower contour sand mould and the upper contour sand mould, a tube core sand mould group is installed between the lower contour sand mould and the upper contour sand mould, and four pouring cups are installed on the upper side of the upper contour sand mould.
[0008] Preferably, the first casting unit is located at the back side of the core sand mold group, the first insert sand mold is located at the right side of the core sand mold group, the second casting unit is located between the core sand mold group and the first insert sand mold, the second insert sand mold is located at the front side of the core sand mold group, the third casting unit is located between the core sand mold group and the second insert sand mold, the third insert sand mold is located at the right side of the core sand mold group, and the fourth casting unit is located between the core sand mold group and the third insert sand mold.
[0009] Preferably, the first gate is located in the pouring cup at the back side, the second gate is located in the pouring cup at the right side, the second distribution bin is attached to the first insert sand mold, the third gate is located in the pouring cup at the front side, the third distribution bin is attached to the second insert sand mold, the fourth gate is located in the pouring cup at the left side, and the fourth distribution bin is attached to the third insert sand mold.
[0010] Preferably, the upper end of each of the second cross runners is fixedly connected with a first vertical runner, the first vertical runner is provided with a first vertical gate at the end close to the core sand mold group, the upper end of each of the third cross runners is fixedly connected with a second vertical runner, the second vertical runner is provided with a second vertical gate at the end close to the core sand mold group, and the upper end of each of the fourth cross runners is fixedly connected with a third vertical runner, the third vertical runner is provided with a third vertical gate at the end close to the core sand mold group.
[0011] Preferably, the first cross runner is a flat cavity, the second cross runner, the third cross runner and the fourth cross runner are curved cavities matching the outer shape of the core sand mold group, and the first cross gate, the second cross gate, the first vertical gate, the third cross gate, the second vertical gate, the fourth cross gate and the third vertical gate are all in the shape of an "eight".
[0012] Compared with the prior art, the present application has the following advantages:
[0013] In the application, the device adopts four casting units through the first casting unit, the second casting unit, the third casting unit and the fourth casting unit, the metal liquid can be filtered through the first filter plate, the second filter plate, the third filter plate and the fourth filter plate, the metal slag is intercepted in the first slag collecting bag, the second slag collecting bag, the third slag collecting bag and the fourth slag collecting bag, the flow rate of the metal liquid can be reduced from fast to slow through the first horizontal sprue, the second horizontal sprue, the first vertical sprue, the third horizontal sprue, the second vertical sprue, the fourth horizontal sprue and the third vertical sprue, the effect of the metal liquid reaching slow filling is achieved, the metal liquid can enter the cavity quickly and stably, the casting time is fast, the final temperature of the metal liquid is high, the casting defects such as cold shut of the auxiliary frame are not easy to produce, and the problems such as injection and aggressive filling can be avoided, which is beneficial to the cavity gas discharge and the casting defects such as the gas hole of the auxiliary frame are not easy to produce, at the same time, the filling path of the metal liquid can be shortened effectively through the four groups of the first horizontal sprue, the second horizontal sprue, the third horizontal sprue, the fourth horizontal sprue and the first vertical sprue, the second vertical sprue and the third vertical sprue, and the problems such as "remote material shortage" or "local overheating" during filling can be avoided effectively. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure schematic diagram of the application;
[0015] Figure 2 It is a whole assembly structure schematic diagram of the application;
[0016] Figure 3 It is a first casting unit structure schematic diagram of the application;
[0017] Figure 4 It is a second casting unit structure schematic diagram of the application;
[0018] Figure 5 It is a third casting unit structure schematic diagram of the application;
[0019] Figure 6 It is a fourth casting unit structure schematic diagram of the application.
[0020] Fig. 1: 1, sand mold assembly; 11, lower contour sand mold; 12, upper contour sand mold; 13, first insert sand mold; 14, second insert sand mold; 15, third insert sand mold; 16, tube core sand mold assembly; 17, pouring cup; 2, first pouring unit; 21, first gate; 22, first vertical pipe; 23, first slag collecting ladle; 24, first filter plate; 25, first distribution chamber; 26, first cross runner; 27, first cross gate; 3, second pouring unit; 31, second gate; 32, second vertical pipe; 33, second slag collecting ladle; 34, second filter plate; 35, second distribution chamber; 36, second cross runner; 37, second cross gate; 38, first vertical runner; 39, first vertical gate; 4, third pouring unit; 41, third gate; 42, third vertical pipe; 43, third slag collecting ladle; 44, third filter plate; 45, third distribution chamber; 46, third cross runner; 47, third cross gate; 48, second vertical runner; 49, second vertical gate; 5, fourth pouring unit; 51, fourth gate; 52, fourth vertical pipe; 53, fourth slag collecting ladle; 54, fourth filter plate; 55, fourth distribution chamber; 56, fourth cross runner; 57, fourth cross gate; 58, third vertical runner; 59, third vertical gate. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.
[0022] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore cannot be understood as a limitation on the protection scope of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.
[0023] In addition, it should be noted that the use of "first", "second" and the like to limit parts only facilitates the differentiation of corresponding parts, and the above words have no special meaning unless otherwise stated, therefore cannot be understood as a limitation on the protection scope of the present application.
[0024] Please refer to Figures 1-6 The present application provides a technical solution:
[0025] The utility model provides a new energy auxiliary frame casting device, including sand mould subassembly 1, first casting unit 2, second casting unit 3, third casting unit 4 and fourth casting unit 5, the inside installation of sand mould subassembly 1 has first casting unit 2, first casting unit 2 includes first sprue 21, the lower end fixed connection of first sprue 21 has first vertical tube 22, the lower side of first vertical tube 22 is installed with first slag collecting ladle 23, the lower end of first slag collecting ladle 23 is installed with first filter plate 24, the lower end of first filter plate 24 is installed with first shunt bin 25, the left and right two ends of first shunt bin 25 are all fixedly connected with first runner 26, and the one end of first runner 26 close to tube core sand mould group 16 is equipped with a plurality of first ingates 27, the inside installation of sand mould subassembly 1 has second casting unit 3, second casting unit 3 includes second sprue 31, the lower end fixed connection of second sprue 31 has second vertical tube 32, the lower side of second vertical tube 32 is installed with second slag collecting ladle 33, the lower end of second slag collecting ladle 33 is installed with second filter plate 34, the lower end of second filter plate 34 is installed with second shunt bin 35, the front and rear two ends of second shunt bin 35 are all fixedly connected with second runner 36, and the one end of second runner 36 close to tube core sand mould group 16 is equipped with a plurality of second ingates 37, the inside installation of sand mould subassembly 1 has third casting unit 4, third casting unit 4 includes third sprue 41, the lower end fixed connection of third sprue 41 has third vertical tube 42, the lower side of third vertical tube 42 is installed with third slag collecting ladle 43, the lower end of third slag collecting ladle 43 is installed with third filter plate 44, the lower end of third filter plate 44 is installed with third shunt bin 45, the left and right two ends of third shunt bin 45 are all fixedly connected with third runner 46, and the one end of third runner 46 close to tube core sand mould group 16 is equipped with a plurality of third ingates 47, the inside installation of sand mould subassembly 1 has fourth casting unit 5, fourth casting unit 5 includes fourth sprue 51, the lower end fixed connection of fourth sprue 51 has fourth vertical tube 52, the lower side of fourth vertical tube 52 is installed with fourth slag collecting ladle 53, the lower end of fourth slag collecting ladle 53 is installed with fourth filter plate 54, the lower end of fourth filter plate 54 is installed with fourth shunt bin 55, the front and rear two ends of fourth shunt bin 55 are all fixedly connected with fourth runner 56, and the one end of fourth runner 56 close to tube core sand mould group 16 is equipped with a plurality of fourth ingates 57.
[0026] Further, sand mould subassembly 1 includes lower contour sand mould 11, the upper side of lower contour sand mould 11 is installed with upper contour sand mould 12, and first inlay sand mould 13, second inlay sand mould 14 and third inlay sand mould 15 are installed between lower contour sand mould 11 and upper contour sand mould 12, and tube core sand mould group 16 is installed between lower contour sand mould 11 and upper contour sand mould 12, and four pouring cups 17 are installed on the upper side of upper contour sand mould 12, and the pouring cavity can be formed by sand mould subassembly 1.
[0027] Further, the first casting unit 2 is located at the back side of the core sand mold group 16, the first insert sand mold 13 is located at the right side of the core sand mold group 16, the second casting unit 3 is located between the core sand mold group 16 and the first insert sand mold 13, the second insert sand mold 14 is located at the front side of the core sand mold group 16, the third casting unit 4 is located between the core sand mold group 16 and the second insert sand mold 14, the third insert sand mold 15 is located at the right side of the core sand mold group 16, and the fourth casting unit 5 is located between the core sand mold group 16 and the third insert sand mold 15, so that rapid casting can be realized through the four casting units.
[0028] Further, the first gate 21 is located in the pouring cup 17 at the back side, the second gate 31 is located in the pouring cup 17 at the right side, the second distribution bin 35 is attached to the first insert sand mold 13, the third gate 41 is located in the pouring cup 17 at the front side, the third distribution bin 45 is attached to the second insert sand mold 14, the fourth gate 51 is located in the pouring cup 17 at the left side, and the fourth distribution bin 55 is attached to the third insert sand mold 15, so that the second distribution bin 35, the third distribution bin 45, and the fourth distribution bin 55 can be positioned through the first insert sand mold 13, the second insert sand mold 14, and the third insert sand mold 15, respectively.
[0029] Further, the upper end of each second cross runner 36 is fixedly connected with a first vertical runner 38, one end of the first vertical runner 38 close to the core sand mold group 16 is provided with a first vertical gate 39, the upper end of each third cross runner 46 is fixedly connected with a second vertical runner 48, one end of the second vertical runner 48 close to the core sand mold group 16 is provided with a second vertical gate 49, and the upper end of each fourth cross runner 56 is fixedly connected with a third vertical runner 58, one end of the third vertical runner 58 close to the core sand mold group 16 is provided with a third vertical gate 59, so that the metal liquid can be injected from different heights through the first vertical gate 39, the second vertical gate 49, and the third vertical gate 59, thereby improving the casting speed.
[0030] Further, the first cross runner 26 is a flat cavity, the second cross runner 36, the third cross runner 46, and the fourth cross runner 56 are curved cavities matched with the outer shape of the core sand mold group 16, and the first cross gate 27, the second cross gate 37, the first vertical gate 39, the third cross gate 47, the second vertical gate 49, the fourth cross gate 57, and the third vertical gate 59 are all in the shape of an "eight", so that the injection radical filling can be avoided through the "eight"-shaped casting gates.
[0031] Work flow: when using the device, the staff first install the lower profile sand mold 11 on the mold, place the tube core sand mold group 16 on the lower profile sand mold 11, then separate the first vertical pipe 22 and the first slag collecting bag 23, separate the second vertical pipe 32 and the second slag collecting bag 33, separate the third vertical pipe 42 and the third slag collecting bag 43, separate the fourth vertical pipe 52 and the fourth slag collecting bag 53, place the remaining part of the first casting unit 2, the remaining part of the second casting unit 3, the remaining part of the third casting unit 4, the remaining part of the fourth casting unit 5 on the upper profile sand mold 12 in turn, then place the first insert sand mold 13, the second insert sand mold 14, the third insert sand mold 15 on the lower profile sand mold 11, place the upper profile sand mold 12 on the lower profile sand mold 11, then install the first runner 21 and the first vertical pipe 22 above the first slag collecting bag 23, install the second runner 31 and the second vertical pipe 32 above the second slag collecting bag 33, install the third runner 41 and the third vertical pipe 42 above the third slag collecting bag 43, install the fourth runner 51 and the fourth vertical pipe 52 above the fourth slag collecting bag 53, and finally place the pouring cup 17 on the upper profile sand mold 12, which completes the assembly of the device. The staff pours the metal liquid from the first runner 21, the second runner 31, the third runner 41, and the fourth runner 51, and the four streams of metal liquid flow to the first slag collecting bag 23, the second slag collecting bag 33, the third slag collecting bag 43, and the fourth slag collecting bag 53 through the first vertical pipe 22, the second vertical pipe 32, the third vertical pipe 42, and the fourth vertical pipe 52 respectively, and then passes through the first filter plate 24, the second filter plate 34, the third filter plate 44, and the fourth filter plate 54 for filtration, and then passes through the first shunt bin 25, the second shunt bin 35, the third shunt bin 45, and the fourth shunt bin 55 for shunting. The metal liquid can quickly fill the first cross runner 26, the second cross runner 36, the first vertical runner 38, the third cross runner 46, the second vertical runner 48, the fourth cross runner 56, and the third vertical runner 58, and then flow into the cavity formed by the sand mold assembly 1 from the first cross runner 27, the second cross runner 37, the first vertical runner 39, the third cross runner 47, the second vertical runner 49, the fourth cross runner 57, and the third vertical runner 59, which completes the filling.The device adopts four casting units, can filter the metal liquid through the first filter plate 24, the second filter plate 34, the third filter plate 44 and the fourth filter plate 54, so that the metal slag is intercepted in the first slag collecting bag 23, the second slag collecting bag 33, the third slag collecting bag 43 and the fourth slag collecting bag 53, and the flow rate of the metal liquid can be reduced from fast to slow through the first horizontal sprue 27, the second horizontal sprue 37, the first vertical sprue 39, the third horizontal sprue 47, the second vertical sprue 49, the fourth horizontal sprue 57 and the third vertical sprue 59, so that the metal liquid can quickly and smoothly enter the cavity, the casting time is fast, the final temperature of the metal liquid is high, the subframe is not easy to produce the casting defect of cold separation, and the injection aggressive filling can be avoided, which is beneficial to the cavity gas discharge, so that the subframe is not easy to produce the casting defect of gas hole, at the same time, through the cooperation of the four groups of first horizontal sprue 27, second horizontal sprue 37, third horizontal sprue 47 and fourth horizontal sprue 57 with first vertical sprue 39, second vertical sprue 49 and third vertical sprue 59, the filling path of the metal liquid can be effectively shortened, and the problems of "remote material shortage" or "local overheating" during filling can be effectively avoided.
[0032] The principles and embodiments of the present application are described herein by using specific examples, and the above examples are only used to help understand the method and core idea of the present application. The above description is only the preferred embodiments of the present application, and it should be pointed out that due to the limitation of language expression, there are infinite specific structures, and for ordinary skilled persons in the technical field, some improvements, decorations or changes can be made without departing from the principles of the present application, and the above technical features can be combined in a proper way, the improvements, decorations, changes or combinations, or the direct application of the inventive concept and technical scheme to other occasions without improvement, should be regarded as the protection scope of the present application.
Claims
1. A casting device for a new energy vehicle subframe, comprising a sand mold assembly (1), a first casting unit (2), a second casting unit (3), a third casting unit (4), and a fourth casting unit (5), characterized in that: The sand mold assembly (1) is equipped with a first casting unit (2). The first casting unit (2) includes a first gating gate (21). The lower end of the first gating gate (21) is fixedly connected to a first vertical pipe (22). The lower side of the first vertical pipe (22) is equipped with a first slag collection bag (23). The lower end of the first slag collection bag (23) is equipped with a first filter plate (24). The lower end of the first filter plate (24) is equipped with a first diversion chamber (25). The left and right ends of the first diversion chamber (25) are fixedly connected with first horizontal runners (26). The end of the first horizontal runner (26) near the core sand mold assembly (16) is provided with multiple first horizontal gating gates (27). The sand mold assembly (1) is equipped with a second casting unit (3). The second casting unit (3) includes a second gating gate (31). The lower end of the second gating gate (31) is fixedly connected to a second vertical pipe (32). A second slag collection bag (33) is installed on the lower side of the second vertical pipe (32). A second filter plate (34) is installed on the lower end of the second slag collection bag (33). A second diversion chamber (35) is installed on the lower end of the second filter plate (34). A second horizontal runner (36) is fixedly connected to both the front and rear ends of the second diversion chamber (35). The second horizontal runner (36) is provided with multiple second horizontal gating gates (37) at the end near the core sand mold assembly (16). The sand mold assembly (1) is equipped with a third casting unit (4). The third casting unit (4) includes a third gating gate (41). The lower end of the third gating gate (41) is fixedly connected to a third vertical pipe (42). The lower side of the third vertical pipe (42) is equipped with a third slag collection bag (43). The lower end of the third slag collection bag (43) is equipped with a third filter plate (44). The lower end of the third filter plate (44) is equipped with a third diversion chamber (45). The left and right ends of the third diversion chamber (45) are fixedly connected with third horizontal runners (46). The end of the third horizontal runner (46) near the core sand mold assembly (16) is provided with multiple third horizontal gating gates (47). The sand mold assembly (1) is equipped with a fourth casting unit (5). The fourth casting unit (5) includes a fourth gate (51). The lower end of the fourth gate (51) is fixedly connected to a fourth vertical pipe (52). The lower side of the fourth vertical pipe (52) is equipped with a fourth slag collection bag (53). The lower end of the fourth slag collection bag (53) is equipped with a fourth filter plate (54). The lower end of the fourth filter plate (54) is equipped with a fourth diversion chamber (55). The front and rear ends of the fourth diversion chamber (55) are fixedly connected with fourth horizontal runners (56). The end of the fourth horizontal runner (56) near the core sand mold assembly (16) is provided with multiple fourth horizontal gates (57).
2. The new energy vehicle subframe casting device according to claim 1, characterized in that: The sand mold assembly (1) includes a lower outer shape sand mold (11), an upper outer shape sand mold (12) is installed on the upper side of the lower outer shape sand mold (11), a first insert sand mold (13), a second insert sand mold (14), and a third insert sand mold (15) are installed between the lower outer shape sand mold (11) and the upper outer shape sand mold (12), a core sand mold group (16) is installed between the lower outer shape sand mold (11) and the upper outer shape sand mold (12), and four pouring cups (17) are installed on the upper side of the upper outer shape sand mold (12).
3. The new energy subframe casting device according to claim 2, characterized in that: The first casting unit (2) is located behind the core sand mold group (16), the first insert sand mold (13) is located on the right side of the core sand mold group (16), the second casting unit (3) is located between the core sand mold group (16) and the first insert sand mold (13), the second insert sand mold (1) is located in front of the core sand mold group (16), the third casting unit (4) is located between the core sand mold group (16) and the second insert sand mold (14), the third insert sand mold (15) is located on the right side of the core sand mold group (16), and the fourth casting unit (5) is located between the core sand mold group (16) and the third insert sand mold (15).
4. The new energy subframe casting device according to claim 1, characterized in that: The first pouring gate (21) is located in the pouring cup (17) at the rear side, the second pouring gate (3) is located in the pouring cup (17) at the right side, the second sub - runner chamber (35) is in contact with the first insert sand mold (13), the third pouring gate (41) is located in the pouring cup (17) at the front side, the third sub - runner chamber (45) is in contact with the second insert sand mold (14), the fourth pouring gate (51) is located in the pouring cup (17) at the left side, and the fourth sub - runner chamber (55) is in contact with the third insert sand mold (15).
5. The new energy subframe casting device according to claim 1, characterized in that: The upper ends of the second cross - runner (36) are fixedly connected with first vertical runners (38), and first vertical pouring gates (39) are provided at one ends of the first vertical runners (38) close to the core sand mold group (16). The upper ends of the third cross - runner (46) are fixedly connected with second vertical runners (48), and second vertical pouring gates (49) are provided at one ends of the second vertical runners (48) close to the core sand mold group (16). The upper ends of the fourth cross - runner (56) are fixedly connected with third vertical runners (58), and third vertical pouring gates (59) are provided at one ends of the third vertical runners (58) close to the core sand mold group (16).
6. The new energy subframe casting device according to claim 1, characterized in that: The first cross - runner (26) is a straight cavity, the second cross - runner (36), the third cross - runner (46), and the fourth cross - runner (56) are all curved cavities matching the outer shape of the core sand mold group (16), and the first cross - pouring gate (27), the second cross - pouring gate (37), the first vertical pouring gate (39), the third cross - pouring gate (47), the second vertical pouring gate (49), the fourth cross - pouring gate (), and the third vertical pouring gate (59) are all in the shape of "eight".