Gearbox shell mold

Abstract

The utility model discloses a gearbox shell mold which comprises a base, an upper mold base, a lower mold base, at least one first supporting column and at least one second supporting column are arranged on the base, threads are arranged on the upper half section of the first supporting column, the lower half section of the first supporting column is a smooth section, and the upper half section of the second supporting column is a smooth section. The upper die base is in threaded connection with the upper half section of the first supporting column, the upper die base is in sliding connection with the upper half section of the second supporting section, the lower die base is in threaded connection with the lower half section of the second supporting column, the lower die base is in sliding connection with the lower half section of the first supporting column, and the first supporting column and the second supporting column are both rotationally connected with the base. The lower half section of the first supporting column is further rotationally connected with the lower die base, the upper half section of the second supporting column is further rotationally connected with the upper die base, driving mechanisms are arranged between the first supporting column and the base and between the second supporting column and the base respectively, the opening and closing modes of three dies can be achieved, and the input cost of the dies is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field, more specifically relates to a gearbox housing mould. BACKGROUND

[0002] Gearbox is widely used, industrial drive, automobile etc. all need to use the gearbox to improve the torque or rotating speed of motor output, therefore in order to meet the market demand of gearbox, need to improve its production efficiency.

[0003] Among them, the gearbox housing is usually cast into shape, using mould, but due to different gearbox housing structure, there are simple, there are complex, simple gearbox housing can use the mode of lower die fixed, upper die lifting to open and close, and complex gearbox housing needs to select lower die fixed upper die lifting or upper die fixed lower die lifting or upper and lower die lifting simultaneously according to specific process, which needs to use three driving mould lifting equipment, and the cost is large. UTILITY MODEL CONTENT

[0004] In view of the deficiency of prior art, the utility model provides a gearbox housing mould, which can realize the opening and closing mode of three kinds of moulds and reduce the investment cost of mould.

[0005] To achieve the above object, the utility model provides the following technical scheme: a gearbox housing mould, including base, the base is provided with upper die holder and lower die holder, the base is provided with at least a first support column and at least a second support column, the upper half of the first support column is provided with screw thread, and the lower half is smooth section, the upper half of the second support column is smooth section, and the lower half is provided with screw thread, the upper die holder is connected with the upper half of the first support column screw thread, the upper die holder is connected with the upper half of the second support section sliding, the lower die holder is connected with the lower half of the second support column screw thread, the lower die holder is connected with the lower half of the first support column sliding, the first support column and the second support column are rotatably connected with the base, the lower half of the first support column is further rotatably connected with the lower die holder, the upper half of the second support column is further rotatably connected with the upper die holder, and the first support column and the second support column are respectively provided with driving mechanism between the base.

[0006] The outer diameter of the screw thread on the first support column is smaller than the diameter of the smooth section, and the diameter of the smooth section of the second support column is smaller than the inner diameter of the screw thread.

[0007] Further, the upper die seat is provided with a first threaded connecting block corresponding to the upper half of the first support column and a first guide block corresponding to the upper half of the second support column, and the first guide block is in rotational connection and sliding connection with the upper half of the second support column, and the lower die seat is provided with a second threaded connecting block corresponding to the lower half of the second support column and a second guide block corresponding to the lower half of the first support column, and the second guide block is in rotational connection and sliding connection with the lower half of the first support column.

[0008] Further, the first guide block and the second guide block are both provided with a linear bearing and a rotational bearing, and the rotational bearing is sleeved outside the linear bearing.

[0009] Further, the first support column and the second support column are provided with a plurality of plane support bearings between the base.

[0010] Further, the driving mechanism comprises a driving motor connected with the first support column and the second support column.

[0011] Further, a guide rod is arranged between the upper die seat and the lower die seat.

[0012] Compared with the prior art, the beneficial effects of the utility model are that when the first support column rotates, the upper die seat can be driven to ascend and descend without affecting the ascending and descending of the lower die seat, and similarly, the rotation of the second support column drives the lower die seat to ascend and descend without affecting the ascending and descending of the upper die seat, so that three kinds of mold opening and closing modes can be realized, and the investment cost of the mold is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model variable speed gearbox shell mold;

[0014] Figure 2 It is a structural schematic view of the utility model variable speed gearbox shell mold from the top.

[0015] Mark: upper die seat 1;Lower die seat 2;First support column 3;Second support column 4;Thread 5;Smooth section 6;First threaded connecting block 7;First guide block 8;Second threaded connecting block 9;Second guide block 10;Linear bearing 11;Rotational bearing 12;Plane support bearing 13;Driving motor 14;Guide rod 15;Base 16. DETAILED DESCRIPTION

[0016] In the description of the utility model, it is necessary to explain that, for the direction word, if the term "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the utility model.

[0017] In addition, if the terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first", "second" features can be explicitly or implicitly included one or more features, and in the description of the utility model, the meaning of "several", "several" is two or more than two, unless otherwise explicitly specified.

[0018] Referring to Figure 1 and Figure 2 The utility model is further described.

[0019] A gearbox shell mold, comprising a base 16, the upper die seat 1 and the lower die seat 2 are arranged on the base 16, at least one first support column 3 and at least one second support column 4 are arranged on the base 16, the upper half of the first support column 3 is provided with a thread 5, and the lower half is a smooth section 6, the upper half of the second support column 4 is a smooth section 6, and the lower half is provided with a thread 5, the upper die seat 1 is connected with the upper half thread 5 of the first support column 3, the upper die seat 1 is connected with the upper half of the second support section and slides, the lower die seat 2 is connected with the lower half thread 5 of the second support column 4, the lower die seat 2 is connected with the lower half of the first support column 3 and slides, the first support column 3 and the second support column 4 are rotatably connected with the base 16, the lower half of the first support column 3 is further rotatably connected with the lower die seat 2, the upper half of the second support column 4 is further rotatably connected with the upper die seat 1, and the first support column 3 and the second support column 4 are respectively provided with driving mechanisms between the base 16.

[0020] As Figure 2 shown, specifically, the upper die seat 1 and the lower die seat 2 are connected with the first support column 3 and the second support column 4 on both sides.

[0021] As Figure 2 shown, specifically, the two first support columns 3 are located on the diagonal sides of the upper die seat 1 and the lower die seat 2 respectively, and the two second support columns 4 are located on the diagonal sides of the upper die seat 1 and the lower die seat 2 respectively.

[0022] As Figure 1 shown in the preferred embodiment of the present example, the outer diameter of the thread 5 on the first support column 3 is smaller than the diameter of the smooth section 6 thereof, and the diameter of the smooth section 6 on the second support column 4 is smaller than the inner diameter of the thread 5 thereof, facilitating the removal of the upper die holder 1 and the lower die holder 2 from the first support column 3 and the second support column 4 for replacement of the die holder with a different die cavity

[0023] As Figure 1 shown in the preferred embodiment of the present example, the upper die holder is provided with a first threaded connecting block 7 corresponding to the upper half of the first support column 3 and a first guide block 8 corresponding to the upper half of the second support column 4, and the first guide block 8 is rotationally and slidably connected to the upper half of the second support column 4, and the lower die holder 2 is provided with a second threaded connecting block 9 corresponding to the lower half of the second support column 4 and a second guide block 10 corresponding to the lower half of the first support column 3, and the second guide block 10 is rotationally and slidably connected to the lower half of the first support column 3.

[0024] As Figure 1 shown in the preferred embodiment of the present example, the first guide block 8 and the second guide block 10 are each provided with a linear bearing 11 and a rotary bearing 12, and the rotary bearing 12 is sleeved outside the linear bearing 11.

[0025] Specifically, the linear bearing 11 is sleeved on the smooth section 6 of the first support column 3 and the second support column 4 to achieve linear sliding, and the rotary bearing 12 is sleeved outside the linear bearing 11 to achieve relative rotation of the first support column 3 and the second support column 4 with the upper die holder 1 and the lower die holder 2.

[0026] As Figure 1 shown in the preferred embodiment of the present example, a plurality of planar support bearings 13 are provided between the first support column 3 and the second support column 4 and the base 16 to provide axial support for the first support column 3 and the second support column 4 while rotationally connecting them to the base 16.

[0027] As Figure 1 shown in the preferred embodiment of the present example, the driving mechanism includes a driving motor 14 connected to the first support column 3 and the second support column 4.

[0028] Specifically, the driving motor 14 is transversely arranged and connected to the first support column 3 and the second support column 4 through a bevel gear pair.

[0029] As Figure 1 shown in the preferred embodiment of the present example, a guide rod 15 is provided between the upper die holder 1 and the lower die holder 2.

[0030] As Figure 1 and Figure 2When the lower die seat 2 needs to be fixed and the upper die seat 1 needs to be lifted to open and close the mold cavity, the lower die seat 2 is first lifted to the specified position, and then the upper die seat 1 is lowered to close the mold. After the gearbox shell is cast, the upper die seat 1 is moved upward to open the mold. Similarly, when the upper die seat 1 needs to be fixed and the lower die seat 2 needs to be lifted to open and close the mold cavity, the upper die seat 1 is first lifted to the specified position, and then the lower die seat 2 is raised to close the mold. After the gearbox shell is cast, the lower die seat 2 is lowered to open the mold. Similarly, when the upper die seat 1 and the lower die seat 2 need to be lifted simultaneously to open and close the mold cavity, the upper die seat 1 and the lower die seat 2 are first lifted to the specified position, and then they are closed to the mold synchronously or asynchronously. After the gearbox shell is cast, the upper die seat 1 and the lower die seat 2 are opened to the mold synchronously or asynchronously. The lifting of the upper die seat 1 and the lower die seat 2 is completely independent on the base 16, three mold opening and closing modes of the mold are realized, and the investment cost of the mold is greatly reduced.

[0031] The preferred embodiments of the present application are described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical scheme falling within the idea of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principles of the present application can also be considered as the protection scope of the present application.

Claims

1. A gearbox housing mould characterised in that: The base is provided with an upper die holder and a lower die holder, and is provided with at least one first supporting column and at least one second supporting column, the upper half of the first supporting column is provided with a thread, and the lower half is a smooth section, the upper half of the second supporting column is a smooth section, and the lower half is provided with a thread, the upper die holder is threadedly connected with the upper half of the first supporting column, the upper die holder is slidingly connected with the upper half of the second supporting column, the lower die holder is threadedly connected with the lower half of the second supporting column, the lower die holder is slidingly connected with the lower half of the first supporting column, the first supporting column and the second supporting column are rotationally connected with the base, the lower half of the first supporting column is further rotationally connected with the lower die holder, the upper half of the second supporting column is further rotationally connected with the upper die holder, and driving mechanisms are arranged between the first supporting column and the second supporting column and the base.

2. The transmission case mold of claim 1, wherein: The outer diameter of the thread on the first supporting column is smaller than the diameter of the smooth section, and the diameter of the smooth section of the second supporting column is smaller than the inner diameter of the thread.

3. The transmission case mold of claim 1, wherein: The upper die holder is provided with a first thread connecting block corresponding to the upper half of the first supporting column and a first guide block corresponding to the upper half of the second supporting column, and the first guide block is rotationally and slidingly connected with the upper half of the second supporting column, and the lower die holder is provided with a second thread connecting block corresponding to the lower half of the second supporting column and a second guide block corresponding to the lower half of the first supporting column, and the second guide block is rotationally and slidingly connected with the lower half of the first supporting column.

4. A gearbox housing mould according to claim 3, characterised in that: Linear bearings and rotary bearings are arranged on the first guide block and the second guide block, and the rotary bearings are sleeved outside the linear bearings.

5. The transmission case mold of claim 1, wherein: A plurality of plane supporting bearings are arranged between the first supporting column and the second supporting column and the base.

6. The transmission case mold of claim 1, wherein: The driving mechanism comprises a driving motor connected with the first supporting column and the second supporting column.

7. The transmission case mold of claim 1, wherein: A guide rod is arranged between the upper die holder and the lower die holder.

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