Gearbox intermediate plate forming die

Abstract

The gearbox intermediate plate forming die comprises a front die assembly and a rear die assembly, the front die assembly comprises a front die plate and a front die, the front die plate is provided with a sprue gate, and the front die is arranged on the front die plate; the rear mold assembly comprises a rear mold plate and a rear mold, the rear mold plate is arranged on one side of the front mold plate in a sliding mode, the rear mold is arranged on the rear mold plate, the rear mold plate slides to be close to the front mold plate, so that the rear mold and the front mold are in contact and matched to form a cavity, the sprue gate is communicated with the cavity, and a first shaft rod and a second shaft rod are arranged on the side, facing the front mold, of the rear mold; the first shaft rod and the second shaft rod are located in the cavity. The core-pulling assembly comprises a first core-pulling rod and a second core-pulling rod, the first core-pulling rod and the second core-pulling rod are arranged on the rear mold plate in a sliding mode, the first core-pulling rod and the second core-pulling rod are provided with a first arc surface and a second arc surface respectively, and the first core-pulling rod and the second core-pulling rod slide to stretch into the mold cavity respectively; and the first cambered surface and the second cambered surface are respectively abutted against and matched with the first shaft rod and the second shaft rod.

Description

Technical Field

[0001] This application relates to the technical field of gearboxes, and particularly to a forming die for an intermediate plate of a gearbox. Background Art

[0002] The gearbox is an important precision component in an automobile, which distributes and transmits the power and rotational speed output by the engine to the wheel hub through an internal gear set to achieve the output of different vehicle speeds and powers. The intermediate plate of the gearbox is installed inside the gearbox housing and is used to improve the stable performance of the main shaft transmission and separate the side-by-side gears.

[0003] Among them, the intermediate plate of the gearbox is provided with a first shaft hole and a second shaft hole, and a first connection hole and a second connection hole are respectively communicated with the first shaft hole and the second shaft hole towards the first side wall and the second side wall of the intermediate plate of the gearbox. However, during the forming process of the intermediate plate of the gearbox, it is usually necessary to perform secondary processing on the communication positions of the first connection hole and the first shaft hole, and the second connection hole and the second shaft hole, thereby affecting the production efficiency. Utility Model Content

[0004] This application aims to solve at least one of the technical problems existing in the prior art. For this reason, this application provides a forming die for an intermediate plate of a gearbox, which can better make the first core-pulling rod and the second core-pulling rod respectively abut and cooperate with the first shaft rod and the second shaft rod, thereby improving the forming quality of the intermediate plate of the gearbox, reducing the subsequent processing steps, and improving the production efficiency.

[0005] According to the forming die for an intermediate plate of a gearbox described in the embodiments of this application, it includes: a front die assembly, including a front template and a front die, the front template is provided with a pouring gate, and the front die is arranged on the front template; a rear die assembly, including a rear template and a rear die, the rear template is slidably arranged on one side of the front template, the rear die is arranged on the rear template, and the rear template slides close to the front template so that the rear die contacts and cooperates with the front die to form a cavity, the pouring gate is communicated with the cavity, the cavity is used to form the intermediate plate of the gearbox, the intermediate plate of the gearbox is made of aluminum material, and a first shaft rod and a second shaft rod are arranged on the side of the rear die facing the front die, and the first shaft rod and the second shaft rod are located in the cavity; a core-pulling assembly, including a first core-pulling rod and a second core-pulling rod, the first core-pulling rod and the second core-pulling rod are respectively slidably arranged on the rear template, the first core-pulling rod and the second core-pulling rod are respectively provided with a first arc surface and a second arc surface, and the first core-pulling rod and the second core-pulling rod respectively slide into the cavity so that the first arc surface and the second arc surface respectively abut and cooperate with the first shaft rod and the second shaft rod.

[0006] The forming die for the intermediate plate of the transmission according to the embodiment of the present application has at least the following beneficial effects: By providing a first arc surface and a second arc surface on the first core-pulling rod and the second core-pulling rod respectively, the first core-pulling rod and the second core-pulling rod can be better abutted and matched with the first shaft rod and the second shaft rod respectively, thereby improving the forming quality of the intermediate plate of the transmission, reducing the subsequent processing steps, and improving the production efficiency.

[0007] For the forming die for the intermediate plate of the transmission according to the embodiment of the present application, a first slider is provided at one end of the first core-pulling rod away from the first arc surface. The first slider is slidably arranged on the rear mold, and the first slider drives the first core-pulling rod to slide.

[0008] For the forming die for the intermediate plate of the transmission according to the embodiment of the present application, there are two first shaft rods, and correspondingly two first core-pulling rods are provided. The two first core-pulling rods are arranged on the first slider, and the first core-pulling rods correspond to the first shaft rods one by one.

[0009] For the forming die for the intermediate plate of the transmission according to the embodiment of the present application, a first inclined guide hole is provided on the first slider, and a first inclined guide post is provided on the front template. The first inclined guide post is connected with the first inclined guide hole in a matching manner.

[0010] For the forming die for the intermediate plate of the transmission according to the embodiment of the present application, symmetric first guide rails are provided on the rear template. A first installation groove is provided between the first guide rails. A first guide groove is provided on one side of the first guide rail facing the first installation groove. A first guiding portion is provided on the first slider. The first slider is arranged in the first installation groove, so that the first guiding portion is connected with the first guide groove in a matching manner.

[0011] For the forming die for the intermediate plate of the transmission according to the embodiment of the present application, a first opening is provided at one end of the first installation groove away from the cavity, and the first inclined guide post extends into the first opening.

[0012] For the forming die for the intermediate plate of the transmission according to the embodiment of the present application, a second slider is provided at one end of the second core-pulling rod away from the second arc surface. The second slider is slidably arranged on the rear mold, and the second slider drives the second core-pulling rod to slide.

[0013] For the forming die for the intermediate plate of the transmission according to the embodiment of the present application, a second inclined guide hole is provided on the second slider, and a second inclined guide post is provided on the front template. The second inclined guide post is connected with the second inclined guide hole in a matching manner.

[0014] According to the forming die for the intermediate plate of the transmission according to the embodiments of the present application, the rear template is provided with symmetrically arranged second guide rails, a second installation groove is arranged between the second guide rails, a second guide groove is arranged on one side of the second guide rail facing the second installation groove, the second slider is provided with a second guiding portion, and the second slider is arranged in the second installation groove so that the second guiding portion is cooperatively connected with the second guide groove.

[0015] According to the forming die for the intermediate plate of the transmission according to the embodiments of the present application, a second opening is arranged at one end of the second installation groove away from the cavity, and the second inclined guide post extends into the second opening.

[0016] Additional aspects and advantages of the present application will be given in part in the following description, will become apparent in part from the following description, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 is a schematic structural diagram of the forming die for the intermediate plate of the transmission according to the embodiments of the present application;

[0019] Figure 2 is a first exploded view of the forming die for the intermediate plate of the transmission according to the embodiments of the present application;

[0020] Figure 3 is a second exploded view of the forming die for the intermediate plate of the transmission according to the embodiments of the present application;

[0021] Figure 4 is a schematic structural diagram of the rear mold assembly in the forming die for the intermediate plate of the transmission according to the embodiments of the present application.

[0022] DESCRIPTION OF THE REFERENCE NUMERALS:

[0023] Front mold assembly 100; front template 110; front mold 120; gating system 130; first inclined guide post 140; second inclined guide post 150; rear mold assembly 200; rear template 210; rear mold 220; first shaft rod 230; second shaft rod 40; first guide rail 250; first guide groove 251; first installation groove 260; first opening 261; second guide rail 270; second guide groove 271; second installation groove 280; second opening 281; core-pulling assembly 300; first core-pulling rod 310; second core-pulling rod 320; first arc surface 330; second arc surface 340; first slider 350; first inclined guide hole 351; first guiding portion 352; second slider 360; second inclined guide hole 361; second guiding portion 362; intermediate plate of the transmission 400. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Embodiments of the present application will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and should not be construed as a limitation to the present application.

[0025] In the description of the present application, it should be understood that with respect to the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application.

[0026] In the description of the present application, the meaning of "a number of" is one or more, the meaning of "a plurality of" is two or more, "greater than", "less than", "exceeding", etc. are understood as not including the number itself, and "above", "below", "within", etc. are understood as including the number itself. If the first and second are described, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0027] In the description of the present application, unless otherwise clearly defined, terms such as "set", "installed", "connected", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present application in combination with the specific content of the technical solution.

[0028] Refer to Figures 1 to 4, an embodiment of the present application provides a forming die for a transmission intermediate plate, including: a front die assembly 100, including a front template 110 and a front die 120, the front template 110 is provided with a pouring gate 130, and the front die 120 is arranged on the front template 110; a rear die assembly 200, including a rear template 210 and a rear die 220, the rear template 210 is slidably arranged on one side of the front template 110, the rear die 220 is arranged on the rear template 210, and the rear template 210 slides close to the front template 110 so that the rear die 220 contacts and cooperates with the front die 120 to form a cavity, the pouring gate 130 is communicated with the cavity, and the cavity is used to form a transmission intermediate plate 400. The transmission intermediate plate 400 is made of aluminum material. A first shaft rod 230 and a second shaft rod 40 are arranged on the side of the rear die 220 facing the front die 120, and the first shaft rod 230 and the second shaft rod 40 are located in the cavity; a core-pulling assembly 300, including a first core-pulling rod 310 and a second core-pulling rod 320, the first core-pulling rod 310 and the second core-pulling rod 320 are respectively slidably arranged on the rear template 210, the first core-pulling rod 310 and the second core-pulling rod 320 are respectively provided with a first arc surface 330 and a second arc surface 340, and the first core-pulling rod 310 and the second core-pulling rod 320 respectively slide into the cavity so that the first arc surface 330 and the second arc surface 340 respectively abut and cooperate with the first shaft rod 230 and the second shaft rod 40.

[0029] By respectively providing a first arc surface 330 and a second arc surface 340 on the first core-pulling rod 310 and the second core-pulling rod 320, the first core-pulling rod 310 and the second core-pulling rod 320 can be better abutted and cooperated with the first shaft rod 230 and the second shaft rod 40 respectively, thereby improving the forming quality of the transmission intermediate plate 400, reducing the later processing steps, and improving the production efficiency.

[0030] Specifically, one end of the first core-pulling rod 310 away from the first arc surface 330 is provided with a first slider 350, the first slider 350 is slidably arranged on the rear die 220, and the first slider 350 drives the first core-pulling rod 310 to slide. The first slider 350 drives the first core-pulling rod 310 to slide into the cavity so that the first arc surface 330 abuts and cooperates with the first shaft rod 230, thereby realizing the core-inserting action of the first core-pulling rod 310; the first slider 350 drives the first core-pulling rod 310 to slide away from the cavity, thereby realizing the core-pulling action of the first core-pulling rod 310. Further, there are two first shaft rods 230, and correspondingly two first core-pulling rods 310 are provided. The two first core-pulling rods 310 are arranged on the first slider 350, and the first core-pulling rod 310 corresponds to the first shaft rod 230 one by one. By adopting the above structure, the core-inserting action or the core-pulling action of the two first core-pulling rods 310 can be realized at one time, the structure is simple, the operation is convenient, the production cost is reduced, and the work efficiency is improved.

[0031] Refer to Figures 1 to 4, in some embodiments of the present application, the first slider 350 is provided with a first inclined guide hole 351, and the front template 110 is provided with a first inclined guide post 140. The first inclined guide post 140 is connected to the first inclined guide hole 351 in a matching manner. When the rear template 210 slides closer to or away from the front template 110, the first inclined guide post 140 and the first inclined guide hole 351 cooperate to cause the first slider 350 to drive the first core-pulling rod 310 to slide, thereby realizing the core-inserting action or core-pulling action of the first core-pulling rod 310 without the need for power setting, reducing production costs.

[0032] It should be noted that the sliding of the first slider 350 can also be realized by driving with a cylinder, and the present application does not limit this.

[0033] Furthermore, the rear template 210 is provided with symmetrically arranged first guide rails 250. A first installation groove 260 is arranged between the first guide rails 250. A first guide groove 251 is arranged on one side of the first guide rail 250 facing the first installation groove 260. The first slider 350 is provided with a first guiding portion 352. The first slider 350 is arranged in the first installation groove 260, so that the first guiding portion 352 is connected to the first guide groove 251 in a matching manner. Among them, a first opening 261 is arranged at one end of the first installation groove 260 away from the cavity, and the first inclined guide post 140 extends into the first opening 261. By adopting the above structure, the stability of the connection between the first slider 350 and the rear template 210 can be improved, and the reliability of the forming die of the transmission intermediate plate can be improved.

[0034] Referring to Figures 1 to 4 , in some embodiments of the present application, a second slider 360 is arranged at one end of the second core-pulling rod 320 away from the second arc surface 340. The second slider 360 is slidably arranged on the rear mold 220, and the second slider 360 drives the second core-pulling rod 320 to slide. The second slider 360 drives the second core-pulling rod 320 to slide into the cavity so that the second arc surface 340 is in abutting cooperation with the second shaft rod 40, thereby realizing the core-inserting action of the second core-pulling rod 320; the second slider 360 drives the second core-pulling rod 320 to slide away from the cavity, thereby realizing the core-pulling action of the second core-pulling rod 320.

[0035] Furthermore, the second slider 360 is provided with a second inclined guide hole 361, and the front template 110 is provided with a second inclined guide post 150. The second inclined guide post 150 is connected to the second inclined guide hole 361 in a matching manner. When the rear template 210 slides closer to or away from the front template 110, the second inclined guide post 150 and the second inclined guide hole 361 cooperate to cause the second slider 360 to drive the second core-pulling rod 320 to slide, thereby realizing the core-inserting action or core-pulling action of the second core-pulling rod 320 without the need for power setting, reducing production costs.

[0036] It can be conceived that the rear template 210 is provided with symmetrically arranged second guide rails 270. A second installation groove 280 is provided between the second guide rails 270. A second guide groove 271 is provided on the side of the second guide rail 270 facing the second installation groove 280. The second slider 360 is provided with a second guiding portion 362. The second slider 360 is arranged in the second installation groove 280, so that the second guiding portion 362 is in mating connection with the second guide groove 271. Among them, a second opening 281 is provided at one end of the second installation groove 280 away from the cavity, and the second inclined guide post 150 extends into the second opening 281. By adopting the above structure, the stability of the connection between the second slider 360 and the rear template 210 can be improved, and the reliability of the forming die for the intermediate plate of the gearbox can be improved.

[0037] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0038] Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the present application is defined by the claims and their equivalents.

Claims

1. The gearbox intermediate plate forming die is characterized by: include: A front mold assembly, comprising a front mold plate and a front mold, the front mold plate being provided with a pouring port, the front mold being provided on the front mold plate; A rear mold assembly, comprising a rear mold plate and a rear mold, wherein the rear mold plate is slidably arranged on one side of the front mold plate, the rear mold plate is arranged on the rear mold plate, the rear mold plate slides to approach the front mold plate, so that the rear mold plate contacts and cooperates with the front mold plate to form a cavity, the pouring port is connected with the cavity, the cavity is used to form a gearbox middle plate, the gearbox middle plate is made of aluminum material, a first shaft rod and a second shaft rod are arranged on one side of the rear mold facing the front mold, and the first shaft rod and the second shaft rod are located in the cavity; The core pulling assembly includes a first core pulling rod and a second core pulling rod, wherein the first core pulling rod and the second core pulling rod are respectively slidably arranged on the rear template, and the first core pulling rod and the second core pulling rod are respectively provided with a first arc surface and a second arc surface, and the first core pulling rod and the second core pulling rod are respectively slid to extend into the mold cavity so that the first arc surface and the second arc surface are respectively abutted and matched with the first shaft rod and the second shaft rod.

2. The gearbox intermediate plate forming die according to claim 1, characterized in that: A first slider is disposed at one end of the first core-pulling rod away from the first arc surface. The first slider is slidably disposed on the rear mold, and the first slider drives the first core-pulling rod to slide.

3. The gearbox intermediate plate forming die according to claim 2, characterized in that: Two first shaft rods are provided, and two first core-pulling rods are provided accordingly. The two first core-pulling rods are arranged on the first sliding block, and the first core-pulling rods correspond to the first shaft rods one by one.

4. The gearbox intermediate plate forming die according to claim 3, characterized in that: The first sliding block is provided with a first oblique guide hole, and the front template is provided with a first oblique guide column, and the first oblique guide column is cooperatively connected with the first oblique guide hole.

5. The gearbox intermediate plate forming die according to claim 4, characterized in that: The rear template is provided with symmetrically arranged first guide rails, a first installation groove is provided between the first guide rails, a first guide groove is provided on the side of the first guide rail facing the first installation groove, the first slider is provided with a first guide portion, and the first slider is arranged in the first installation groove so that the first guide portion is matched and connected with the first guide groove.

6. The gearbox intermediate plate forming die according to claim 5, characterized in that: A first opening is provided at one end of the first mounting groove away from the mold cavity, and the first inclined guide column extends into the first opening.

7. The gearbox intermediate plate forming die according to claim 1, characterized in that: A second slider is disposed at one end of the second core-pulling rod away from the second arc surface. The second slider is slidably disposed on the rear mold, and the second slider drives the second core-pulling rod to slide.

8. The gearbox intermediate plate forming die according to claim 7, characterized in that: The second sliding block is provided with a second oblique guide hole, and the front template is provided with a second oblique guide column, and the second oblique guide column is cooperatively connected with the second oblique guide hole.

9. The gearbox intermediate plate forming die according to claim 8, characterized in that: The rear template is provided with symmetrically arranged second guide rails, a second mounting groove is provided between the second guide rails, a second guide groove is provided on the side of the second guide rail facing the second mounting groove, the second slider is provided with a second guide portion, and the second slider is arranged in the second mounting groove so that the second guide portion is matched and connected with the second guide groove.

10. The gearbox intermediate plate forming die according to claim 9, characterized in that: A second opening is provided at one end of the second mounting groove away from the mold cavity, and the second inclined guide column extends into the second opening.

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