Lost foam mould for speed reducer box body

Abstract

The utility model relates to an evanescent mode mould of a speed reducer box body, and relates to the field of evanescent mode manufacturing of the speed reducer box body. Comprising a part A; the part A comprises a first bottom plate, a first bearing plate, a first main body mold, a first separation device, a first core mold and a side mold, the top of the first bottom plate is connected with the bottom of the first bearing plate, and the top of the first bearing plate is connected with the bottom of the first main body mold; the first main body mold is of a hollow structure, a first model area and a second model area are arranged in the first main body mold, a first core mold and a side mold are arranged in each of the first model area and the second model area, and one side of the first core mold is connected with the side mold; the bottom of the first core mold and the bottom of the side mold are both connected with the top of the first bearing plate, the edge of the first bearing plate is connected with the first separating device, and one end of the first separating device is connected with the first bottom plate. The evanescent mode mold solves the technical problems that an existing evanescent mode mold of the speed reducer box body is inconvenient to open, and the working efficiency is low.

Description

Technical Field

[0001] The utility model relates to a mould, in particular to a lost foam mould for a reducer housing. Background Art

[0002] The reducer is an independent component consisting of a gear drive, worm drive, or gear-worm drive enclosed in a rigid housing. It is often used as a reduction transmission device between the prime mover and the working machine. It plays the role of matching speed and transmitting torque between the prime mover and the working machine or actuator, and is widely used in modern machinery.

[0003] The lost foam mold of the reducer housing is generally supported by an injection molding mold. The existing lost foam mold of the reducer housing has the problems of inconvenient mold opening and low working efficiency. Utility Model Content

[0004] The main purpose of the utility model is to provide a speed reducer housing lost foam mold, which solves the technical problems of inconvenient mold opening and low working efficiency of the existing speed reducer housing lost foam mold.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a reduction gear housing lost foam mold, comprising a part A;

[0006] Part A includes a first bottom plate, a first supporting plate, a first main body mold, a first separation device, a first core mold and a side mold, the top of the first bottom plate is connected to the bottom of the first supporting plate, and the top of the first supporting plate is connected to the bottom of the first main body mold;

[0007] The first main body mold is a hollow structure, and a first model area and a second model area are provided inside the first main body mold. A first core mold and a side mold are provided in the first model area and the second model area. One side of the first core mold is connected to the side mold, and the bottom of the first core mold and the bottom of the side mold are both connected to the top of the first supporting plate, the edge of the first supporting plate is connected to the first separation device, and one end of the first separation device is connected to the first bottom plate.

[0008] As a preferred solution, part A also includes a demolding device, which is connected to the side wall of the first main mold. A part of the demolding device is located on the outside of the first main mold, and another part of the demolding device is located on the inside of the first main mold. The demolding device is connected to the side wall of the side mold away from the first core mold.

[0009] As a preferred solution, a first feed inlet is opened on the top of the first main body mold, and the first feed inlet connects the outside of the first main body mold with the first model area or connects the outside of the first main body mold with the second model area.

[0010] As a preferred solution, a first drain valve is also provided on the top of the first main body mold, and the first drain valve connects the outside of the first main body mold with the first model area or connects the outside of the first main body mold with the second model area.

[0011] As a preferred solution, a reduction gear housing lost foam mold further includes a B part;

[0012] Part B includes a second bottom plate, a second supporting plate, a second main body mold, a second separation device and a second core mold, the top of the second bottom plate is connected to the bottom of the second supporting plate, and the top of the second supporting plate is connected to the bottom of the second main body mold;

[0013] The second main body mold is a hollow structure, a third model area is provided inside the second main body mold, a second core mold is provided in the third model area, the bottom of the second core mold is connected to the top of the second supporting plate, the edge of the second supporting plate is connected to the first separation device, and one end of the first separation device is connected to the second bottom plate.

[0014] As a preferred solution, a second feed inlet is opened on the top of the second main body mold, and the second feed inlet connects the outside of the second main body mold with the third model area.

[0015] As a preferred solution, a second drain valve is further provided on the top of the second main body mold, and the second drain valve connects the outside of the second main body mold with the third model area.

[0016] As a preferred solution, part A further comprises a first pressing plate, which is arranged on the top of the first main body mold, and the first pressing plate is provided with first through holes near the first feed port and the first drain valve;

[0017] Part B also includes a second pressing plate, which is arranged on the top of the second main body mold. The second pressing plate is provided with second through holes near the second feed inlet and the second drain valve.

[0018] The beneficial effects achieved by the utility model are:

[0019] Part A of the utility model includes a first model area and a second model area, which can simultaneously cast two parts of the lost foam, thereby improving the molding efficiency; Part A is also provided with a first separation device, which can quickly separate the first bottom plate and the first supporting plate, thereby improving the mold opening efficiency; Part A is also provided with a demolding device, which can quickly separate the side mold from the lost foam of the reducer housing, thereby achieving rapid demolding.

[0020] The B part of the utility model is provided with a second separation device, and the second separation device can quickly separate the second bottom plate from the second supporting plate, thereby improving the mold opening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] Figure 1 This is a front view of part A of a lost foam mold for a reducer housing disclosed in a specific embodiment of the utility model;

[0023] Figure 2 It is a right view of part A of a lost foam mold of a reducer housing disclosed in a specific embodiment of the utility model;

[0024] Figure 3 yes Figure 2 Section view along AA;

[0025] Figure 4 It is a bottom view of part A of a lost foam mold of a reducer housing disclosed in a specific embodiment of the utility model;

[0026] Figure 5 yes Figure 4 Sectional view along BB;

[0027] Figure 6 This is a front view of a part B of a lost foam mold for a reducer housing disclosed in a specific embodiment of the utility model;

[0028] Figure 7 yes Figure 6 Sectional view along CC;

[0029] Figure 8 It is a right view of the B part of the lost foam mold of a reducer housing disclosed in a specific embodiment of the utility model;

[0030] Fig. 9 yes Figure 8 Sectional view along DD;

[0031] Fig.10 It is a bottom view of part B of a lost foam mold of a reducer housing disclosed in a specific embodiment of the utility model.

[0032] Description of reference numerals:

[0033] I. Part A; II. Part B; 1. First bottom plate; 2. First supporting plate; 3. First main body mold; 4. First separating device; 5. Ejection device; 51. Telescopic cylinder; 52. Connecting rod; 6. First core mold; 7. First model area; 8. Second model area; 9. Side mold; 10. First feed inlet; 11. First drain valve; 12. Second bottom plate; 13. Second supporting plate; 14. Second main body mold; 15. Second separating device; 16. Second core mold; 17. Third model area; 18. Second feed inlet; 19. Second drain valve; 20. First pressure plate; 21. Second pressure plate. DETAILED DESCRIPTION

[0034] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0035] like Figure 1-10 As shown, the utility model discloses a reduced gear box lost foam mold, including two parts, part A I and part B II. Part A I includes a first bottom plate 1, a first supporting plate 2, a first main body mold 3, a first separation device 4, a demolding device 5, a first core mold 6 and a side mold 9. The top of the first bottom plate 1 is connected to the bottom of the first supporting plate 2, and the first bottom plate 1 and the first supporting plate 2 can be separated in the vertical direction; the top of the first supporting plate 2 is detachably connected to the bottom of the first main body mold 3, and the first supporting plate 2 and the first main body mold 3 are connected as a whole when casting the model.

[0036] The first main body mold 3 is a hollow structure, that is, a first model area 7 and a second model area 8 are provided inside the first main body mold 3, and the first model area 7 and the second model area 8 are used to cast two different lost foam models respectively. Figure 3 As shown, the first model area 7 and the second model area 8 can be arranged side by side on the left and right. The first model area 7 and the second model area 8 are both provided with a first core mold 6 and a side mold 9, and the first core mold 6 and the side mold 9 are arranged correspondingly according to the shape of the lost foam. One side of the first core mold 6 is connected to the side mold 9, and the bottom of the first core mold 6 and the bottom of the side mold 9 are both connected to the top of the first supporting plate 2. As a preferred embodiment, the first supporting plate 2 is provided with a mounting groove for fixing the first core mold 6, and the first core mold 6 is placed in the mounting groove to ensure the stability of the mold during operation. Figure 2 , Figure 3 As shown, the edge of the first supporting plate 2 is connected to the first separation device 4, and one end of the first separation device 4 is connected to the first bottom plate 1. The first separation device 4 can be a telescopic cylinder. In this case, the cylinder body of the telescopic cylinder is fixedly or detachably connected to the first supporting plate 2, and the movable end of the telescopic cylinder is in contact with the first bottom plate 1. The telescopic cylinder can separate the first supporting plate 2 and the first bottom plate 1 up and down when working. As a preferred solution, the number of first separation devices 4 in part A is four, and each of the four first separation devices 4 is divided into a group of two. The first separation devices 4 in the same group are arranged on the same edge of the first supporting plate 2, and the first separation devices 4 in different groups are arranged on the opposite edges of the first supporting plate 2.

[0037] like Figure 3As shown, the demolding device 5 is connected to the side wall of the first main mold 3, a part of the demolding device 5 is located outside the first main mold 3, another part of the demolding device 5 is located inside the first main mold 3, and the demolding device 5 is connected to the side wall of the side mold 9 away from the first core mold 6. As an embodiment, the demolding device 5 includes a telescopic cylinder 51 and a connecting rod 52, the movable end of the telescopic cylinder 51 is connected to a side wall of the first main mold 3, the connecting rod 52 is connected to the main structure of the telescopic cylinder 51, the connecting rod 52 passes through the first main mold 3 and is connected to the side mold 9, and the connecting rod 52 can drive the side mold 9 to move.

[0038] like Figure 1 As shown, in order to facilitate feeding, a first feeding port 10 is opened on the top of the first main mold 3, and the first feeding port 10 connects the outside of the first main mold 3 with the first model area 7 or connects the outside of the first main mold 3 with the second model area 8. As a preferred solution, the first model area 7 and the second model area 8 are each provided with two first feeding ports 10.

[0039] like Figure 1 As shown, in order to facilitate exhaust, a first exhaust valve 11 is also opened on the top of the first main mold 3, and the first exhaust valve 11 connects the outside of the first main mold 3 with the first model area 7, or connects the outside of the first main mold 3 with the second model area 8. The first model area 7 and the second model area 8 are each provided with two first exhaust valves 11.

[0040] like Figure 6-10 As shown, part B II includes a second base plate 12, a second supporting plate 13, a second main body mold 14, a second separation device 15 and a second core mold 16. The top of the second base plate 12 is connected to the bottom of the second supporting plate 13. The top of the second base plate 12 and the second supporting plate 13 can be separated in the vertical direction. The top of the second supporting plate 13 is connected to the bottom of the second main body mold 14.

[0041] The second main body mold 14 is a hollow structure, that is, a third model area 17 is provided inside the second main body mold 14, and a second core mold 16 is provided inside the third model area 17. The second core mold 16 is arranged corresponding to the shape of the lost foam, and the bottom of the second core mold 16 is connected to the top of the second supporting plate 13. As a preferred embodiment, a mounting groove for fixing the second core mold 16 is provided at the bottom of the second supporting plate 13. When in use, the second core mold 16 is installed in the mounting groove to improve the stability of the mold. The edge of the second supporting plate 13 is connected to the second separation device 15, and one end of the second separation device 15 is connected to the second bottom plate 12. As an embodiment, the second separation device 15 of part B can be the same as the first separation device 4, such as Figure 6 As shown, the setting methods of the two are also similar and will not be repeated here.

[0042] like Figure 6As shown, for the convenience of feeding, a second feeding port 18 is opened on the top of the second main mold 14, and the second feeding port 18 connects the outside of the second main mold 14 with the third model area 17. As a preferred solution, the third model area 17 is provided with two second feeding ports 18.

[0043] like Figure 6 As shown, in order to facilitate exhaust, a second exhaust valve 19 is also opened on the top of the second main mold 14, and the second exhaust valve 19 connects the outside of the second main mold 14 with the third model area 17. As a preferred solution, the third model area 17 is provided with two second exhaust valves 19.

[0044] In order to increase the weight of the mold and form the mold better, the A part I also includes a first pressing plate 20, which is arranged on the top of the first main mold 3, and the edge of the first pressing plate 20 coincides with the edge of the first main mold 3. In order to facilitate feeding and exhausting, the first pressing plate 20 is provided with a first through hole near the first feed port 10 and the first exhaust valve 11; the B part also includes a second pressing plate 21, which is arranged on the top of the second main mold 14, and the edge of the second pressing plate 21 coincides with the edge of the second main mold 14. In order to facilitate feeding and exhausting, the second pressing plate 21 is provided with a second through hole near the second feed port 18 and the second exhaust valve 19.

[0045] When in use, the first bottom plate 1 and the first supporting plate 2 are in contact, the side mold 9 is in contact with the first core mold 6, and the second bottom plate 12 and the second supporting plate 13 are also in contact. Feed materials from the first feed port 10 and the second feed port 18. After the feeding is completed and the reducer housing is formed by the lost mold, the first separation device 4 is raised, the first bottom plate 1 and the first supporting plate 2 are separated, and the demolding device 5 pulls the side mold 9 away from the lost mold of the reducer housing, and then manually demolds, that is, the demolding of part A I is completed; the second separation device 15 is raised, the second bottom plate 12 and the second supporting plate 13 are separated, and then manually demolds, that is, the demolding of part B II is completed.

[0046] Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Claims

1. A reduced gear housing lost foam mold, characterized in that: Consists of Part A(I); The A part (I) comprises a first bottom plate (1), a first supporting plate (2), a first main body mold (3), a first separation device (4), a first core mold (6) and a side mold (9), wherein the top of the first bottom plate (1) is connected to the bottom of the first supporting plate (2), and the top of the first supporting plate (2) is connected to the bottom of the first main body mold (3); The first main body mold (3) is a hollow structure. A first model area (7) and a second model area (8) are provided inside the first main body mold (3). The first core mold (6) and the side mold (9) are provided inside the first model area (7) and the second model area (8). One side of the first core mold (6) is connected to the side mold (9). The bottom of the first core mold (6) and the bottom of the side mold (9) are both connected to the top of the first supporting plate (2). The edge of the first supporting plate (2) is connected to the first separating device (4). One end of the first separating device (4) is connected to the first bottom plate (1).

2. The lost foam mold for a reducer housing according to claim 1, characterized in that: The A part (I) further comprises a demoulding device (5), wherein the demoulding device (5) is connected to the side wall of the first main body mold (3), a part of the demoulding device (5) is located outside the first main body mold (3), and another part of the demoulding device (5) is located inside the first main body mold (3), and the demoulding device (5) is connected to the side wall of the side mold (9) away from the first core mold (6).

3. The lost foam mold for a reducer housing according to claim 2, characterized in that: A first material inlet (10) is formed at the top of the first main body mold (3), and the first material inlet (10) connects the outside of the first main body mold (3) with the first model area (7) or connects the outside of the first main body mold (3) with the second model area (8).

4. The lost foam mold for a reducer housing according to claim 3, characterized in that: A first drain valve (11) is also provided on the top of the first main body mold (3), and the first drain valve (11) connects the outside of the first main body mold (3) with the first model area (7) or connects the outside of the first main body mold (3) with the second model area (8).

5. The lost foam mold for a reducer housing according to claim 4, characterized in that: The reduction gear housing lost foam mold further comprises a B part (II); The B part (II) comprises a second bottom plate (12), a second supporting plate (13), a second main body mold (14), a second separation device (15) and a second core mold (16); the top of the second bottom plate (12) is connected to the bottom of the second supporting plate (13), and the top of the second supporting plate (13) is connected to the bottom of the second main body mold (14); The second main body mold (14) is a hollow structure, a third model area (17) is provided inside the second main body mold (14), the second core mold (16) is provided inside the third model area (17), the bottom of the second core mold (16) is connected to the top of the second supporting plate (13), the edge of the second supporting plate (13) is connected to the second separation device (15), and one end of the second separation device (15) is connected to the second bottom plate (12).

6. The lost foam mold for a reducer housing according to claim 5, characterized in that: A second material inlet (18) is provided at the top of the second main body mold (14), and the second material inlet (18) is connected to the outside of the second main body mold (14) and the third model area (17).

7. The lost foam mold for a reducer housing according to claim 6, characterized in that: A second drain valve (19) is also provided on the top of the second main body mold (14), and the second drain valve (19) connects the outside of the second main body mold (14) with the third model area (17).

8. The lost foam mold for a reducer housing according to claim 7, characterized in that: The A part (I) further comprises a first pressing plate (20), wherein the first pressing plate (20) is arranged on the top of the first main body mold (3), and the first pressing plate (20) is provided with first through holes near the first feed port (10) and the first drain valve (11); The part B (II) further comprises a second pressing plate (21), wherein the second pressing plate (21) is arranged on the top of the second main body mold (14), and the second pressing plate (21) is provided with second through holes near the second feed port (18) and the second drain valve (19).

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