Gearbox shell mold convenient to install and fix

Through the design of positioning seat mechanism and layered injection structure, the problem of inconvenient installation of the transmission housing mold core is solved, and the rapid installation and mold release of the mold core is achieved, and the installation efficiency and forming efficiency are improved.

CN223114122UActive Publication Date: 2025-07-18XINGHUA YALAN MACHINERY MFG
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Patent Information

Application Number
CN202422234735.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-07-18
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

The existing transmission housing molds are inconvenient when installing and replacing the die core, and are difficult to quickly remove, which affects the installation and fixing efficiency.

Method used

The positioning seat mechanism and a layered double-injection structure are designed. The base is equipped with an elastically liftable base at the bottom of the mold body, and is tightened by mounting holes and bolts. The spring structure ejects the mold core during demolding, and a layered injection port and injection pipe are set up in the mold to quickly inject the molded material.

Benefits of technology

The rapid installation and demolding of the die core is achieved, the installation and fixation efficiency is improved, and the forming efficiency is improved through the layered material injection structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gearbox production tools, and discloses a gearbox shell mold convenient to install and fix, which comprises a mold main body, the mold main body comprises a forming mold core, and a pressing mold is arranged at the upper end of the forming mold core in a combined manner. Mounting bases are fixedly connected to the upper portions of the outer walls of the rear ends of the pressing die and the forming die core, three mounting holes are formed between the upper side wall and the lower side wall of each mounting base at equal intervals, a positioning base mechanism is arranged at the bottom of the forming die core, and a die base is arranged on the outer side of the positioning base mechanism; and the positioning seat mechanism comprises fixing frames which are symmetrically and fixedly connected to the two ends of the outer side wall of the bottom of the forming mold core. According to the utility model, the layered double-injection structure design is adopted, the two injection ports are arranged in the molding groove of the mold main body in an up-down layered manner, and the injection pipelines matched with the injection ports are arranged, so that a gearbox shell molding material can be quickly and efficiently injected into the molding groove of the mold main body, and cooling molding work can be carried out in the mold main body.
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Description

Technical Field

[0001] The utility model relates to the technical field of gearbox production tools, in particular to a gearbox housing mold which is convenient for installation and fixation. Background Technique

[0002] The gearbox housing mold is a tool for producing gearbox housings. The gearbox housing is usually a key component of an automotive gearbox, responsible for protecting the internal gears and other mechanical components and bearing a certain mechanical load. When manufacturing such a housing, high-precision molds are usually required to ensure that the size and shape of the housing meet the design requirements.

[0003] The existing gearbox housing molds still have the following problems when in use: when installing and fixing the mold base and the mold core of the gearbox housing mold, it is usually fastened and connected by means of fasteners. After connection, the upper surface of the mold core is usually flush with the surface of the mold base. When replacing the mold core, it is difficult to quickly remove the mold core, resulting in inconvenient subsequent installation and fixing work. Summary of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides a gearbox housing mold which is convenient for installation and fixation, and solves the problems raised in the background technique.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solutions: a gearbox housing mold which is convenient for installation and fixation, including a mold main body. The mold main body includes a forming mold core, and a pressing mold is combined at the upper end of the forming mold core. Installation seats are fixedly connected to the upper and lower outer walls of the pressing mold and the upper part of the outer wall at the rear end of the forming mold core. Three installation holes are equidistantly arranged between the upper and lower side walls of the installation seat. A positioning seat mechanism is arranged at the bottom of the forming mold core, and a mold base is arranged outside the positioning seat mechanism. The positioning seat mechanism includes fixing frames symmetrically and fixedly connected to both ends of the outer side wall at the bottom of the forming mold core. A through hole is opened in the middle position at the bottom of the fixing frame, and a sliding rod is slidably installed in the through hole. The bottom ends of the two sliding rods are fixedly connected to the same base. A matching hole is opened between the upper and lower side walls in the middle of the base. A positioning block matching the matching hole is fixedly connected to the inner bottom wall of the mold base. The top end of the sliding rod is fixedly connected to a stop block, and a spring is fixedly connected between the bottom end of the stop block and the inner top wall of the corresponding fixing frame on one side. The spring is slidably sleeved outside the sliding rod.

[0008] As a further scheme of the utility model: fixing seats are fixedly connected to the opposite ends of the two fixing frames, a pipe groove is opened between the front and rear side walls of the fixing seat, and handles are fixedly connected to the middle parts of the outer side walls at the opposite ends of the two fixing frames.

[0009] As a further solution of the present utility model: a forming groove is provided at the top of the forming die core, and a forming recess is provided at the rear end of the inner bottom wall of the forming groove. A plurality of forming partition plates are fixedly connected to the inner side walls of the forming groove and the forming recess.

[0010] As a further solution of the present utility model: a feed inlet is provided at the front end of the inner side walls of the forming groove and the forming recess. A first injection pipe is fixedly installed at the front end of the outer side wall of the forming die core and at the opening of the upper feed inlet. A second injection pipe is fixedly installed at the front end of the outer side wall of the forming die core and at the opening of the lower feed inlet. A fixing clamp is fixedly sleeved on the outer sides of the front ends of the first injection pipe and the second injection pipe. The outer side of the second injection pipe is fixedly connected to the inner wall of the fixing seat pipe groove.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. In the present utility model, a positioning seat mechanism is provided in cooperation with the mold body, that is, an elastically liftable base structure is provided at the bottom of the mold body. The fitting hole of the base can fit the positioning block in the mold base. When the pressing die presses down on the lower forming die core for combination, the two are fastened by bolts through the mounting holes on the mounting seat after mold closing. After removing the bolts during demolding, the spring structure can act on the forming die core, ejecting it a certain distance so that its top end is higher than the mold base, facilitating its removal from the mold base.

[0013] 2. In the present utility model, through the adoption of a layered double-injection structure design, two injection ports are arranged in upper and lower layers in the forming groove of the mold body, and injection pipes are provided in cooperation with the injection ports. It can quickly and efficiently inject the forming material of the transmission housing into the forming groove of the mold body and carry out the cooling and forming work in the mold body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the three-dimensional view of the mold body and the positioning seat mechanism of the present utility model Figure 1 ;

[0015] Figure 2 is the three-dimensional view of the mold body and the positioning seat mechanism of the present utility model Figure 2 ;

[0016] Figure 3 is the three-dimensional view of the mold body of the present utility model Figure 1 ;

[0017] Figure 4 is the three-dimensional view of the mold body of the present utility model Figure 2 ;

[0018] Figure 5 is the overall three-dimensional view of the present utility model;

[0019] Figure 6 This is a three-dimensional view of the die holder of the present utility model.

[0020] In the figure: 1, die body; 2, mounting seat; 3, mounting hole; 4, fixing seat; 5, fixing frame; 6, sliding rod; 7, base; 8, mating hole; 9, spring; 10, stop block; 11, handle; 12, die holder; 13, press die; 14, positioning block; 101, forming die core; 102, forming partition; 103, first injection pipeline; 104, forming groove; 105, second injection pipeline; 106, fixing clip. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1 to 6 , in the embodiment of the present utility model, a gearbox housing mold that is convenient for installation and fixation includes a die body 1. The die body 1 includes a forming die core 101. A press die 13 is combined and arranged at the upper end of the forming die core 101. Mounting seats 2 are fixedly connected to the outer walls above the rear ends of both the press die 13 and the forming die core 101. Three mounting holes 3 are equidistantly arranged between the upper and lower side walls of the mounting seat 2. The die body 1 can be fixedly installed at the installation location through the mounting holes 3 on the mounting seat 2 in cooperation with the installation components. A positioning seat mechanism is arranged at the bottom of the forming die core 101. A die holder 12 is arranged outside the positioning seat mechanism. The positioning seat mechanism includes fixing frames 5 symmetrically and fixedly connected to both ends of the outer side wall of the bottom of the forming die core 101. A through hole is opened at the middle position of the bottom of the fixing frame 5, and a sliding rod 6 is slidably installed in the through hole. The bottom ends of the two sliding rods 6 are fixedly connected to the same base 7. A mating hole 8 is opened between the upper and lower side walls of the middle part of the base 7. A positioning block 14 matching the mating hole 8 is fixedly connected to the inner bottom wall of the die holder 12. A stop block 10 is fixedly connected to the top end of the sliding rod 6. A spring 9 is fixedly connected between the bottom end of the stop block 10 and the inner top wall of the corresponding fixing frame 5 on one side. The spring 9 is slidably sleeved outside the sliding rod 6. A positioning seat mechanism is integrally arranged in cooperation with the die body 1, that is, an elastically liftable base 7 structure is arranged at the bottom of the die body 1. The mating hole 8 of the base 7 can be fitted with the positioning block 14 in the die holder 12. When the press die 13 presses down on the lower forming die core 101 for combination, the two are fastened by bolts through the mounting holes 3 on the mounting seat 2 after closing the die. After removing the bolts during demolding, the spring 9 structure can act on the forming die core 101, ejecting it a certain distance so that its top end is higher than the die holder 12, facilitating its removal from the die holder 12.

[0023] Both ends of the two fixing brackets 5 facing each other are fixedly connected with a fixing seat 4. A pipe groove is provided between the front and rear side walls of the fixing seat 4. In the middle of the outer side wall of the two ends of the two fixing brackets 5 away from each other, a handle 11 is fixedly connected. The handle 11 can be held to move the fixing bracket 5 to move the mold body 1.

[0024] A forming groove is provided at the top of the forming die core 101, and a forming recess 104 is provided at the rear end of the inner bottom wall of the forming groove. A plurality of forming partitions 102 are fixedly connected to the inner side walls of the forming groove and the forming recess 104. The forming material of the transmission housing can be cooled and formed in the space formed by the forming groove, the forming recess 104 and the plurality of forming partitions 102 to form a transmission housing forming matrix.

[0025] An inlet is provided at the front end of the inner side wall of the forming groove and the forming recess 104. At the front end of the outer side wall of the forming die core 101 and at the opening of the upper inlet, a first injection pipe 103 is fixedly installed. At the front end of the outer side wall of the forming die core 101 and at the opening of the lower inlet, a second injection pipe 105 is fixedly installed. A fixing clip 106 is fixedly sleeved on the outer sides of the front ends of the first injection pipe 103 and the second injection pipe 105. The outer side of the second injection pipe 105 is fixedly connected to the inner wall of the pipe groove of the fixing seat 4. The overall design adopts a layered double-injection structure. There are two injection ports arranged in layers up and down in the forming groove of the mold body 1, and injection pipes are arranged in cooperation with the injection ports. It can quickly and efficiently inject the forming material of the transmission housing into the forming groove of the mold body 1 and perform the cooling and forming work in the mold body 1.

[0026] The working principle of the present utility model is as follows: A positioning seat mechanism is provided in cooperation with the mold body 1 as a whole, that is, a base 7 structure that can elastically lift is provided at the bottom of the mold body 1. The mating hole 8 of the base 7 can fit the positioning block 14 in the mold base 12. When the pressing die 13 presses down the lower forming die core 101 for combination, the two are fastened by bolts through the mounting holes 3 on the mounting seat 2 after clamping. After removing the bolts during demolding, the spring 9 structure can act on the forming die core 101 to push it out a certain distance so that its top end is higher than the mold base 12, which is beneficial for taking it out from the mold base 12. In addition, the overall design adopts a layered double-injection structure. There are two injection ports arranged in layers up and down in the forming groove of the mold body 1, and injection pipes are arranged in cooperation with the injection ports. It can quickly and efficiently inject the forming material of the transmission housing into the forming groove of the mold body 1. The forming material of the transmission housing can be cooled and formed in the space formed by the forming groove, the forming recess 104 and the plurality of forming partitions 102 to form a transmission housing forming matrix, and the cooling and forming work is completed.

[0027] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A transmission housing mold that is convenient for installation and fixation, including a mold body (1). The mold body (1) includes a forming die core (101). A pressing die (13) is combined and arranged at the upper end of the forming die core (101). Mounting seats (2) are fixedly connected to the outer walls above the rear ends of both the pressing die (13) and the forming die core (101). Three mounting holes (3) are equidistantly arranged between the upper and lower side walls of the mounting seat (2). It is characterized in that: A positioning seat mechanism is arranged at the bottom of the forming die core (101). A die base (12) is arranged outside the positioning seat mechanism. The positioning seat mechanism includes fixing frames (5) symmetrically and fixedly connected to both ends of the outer side wall of the bottom of the forming die core (101). A through hole is opened at the middle position of the bottom of the fixing frame (5), and a sliding rod (6) is slidably installed in the through hole. The bottom ends of the two sliding rods (6) are fixedly connected to the same base (7). A matching hole (8) is opened between the upper and lower side walls in the middle of the base (7). A positioning block (14) matching the matching hole (8) is fixedly connected to the inner bottom wall of the die base (12). The top end of the sliding rod (6) is fixedly connected to a stopper (10). A spring (9) is fixedly connected between the bottom end of the stopper (10) and the inner top wall of the corresponding fixing frame (5) on one side. The spring (9) is slidably sleeved on the outside of the sliding rod (6).

2. The mold for a gearbox housing that is easy to install and fix according to claim 1, wherein: Handles (11) are fixedly connected to the middle parts of the outer side walls at the opposite ends of the two fixing frames (5).

3. A gearbox housing mold that is easy to install and fix according to claim 1, characterized in that: Fixing seats (4) are fixedly connected to the opposite ends of the two fixing frames (5). A pipe groove is opened between the front and rear side walls of the fixing seat (4).

4. A gearbox housing mold that is easy to install and fix according to claim 1, characterized in that: A forming groove is opened at the top of the forming die core (101), and a forming recess (104) is opened at the rear end of the inner bottom wall of the forming groove.

5. A gearbox housing mold that is convenient for installation and fixation, characterized in that: Multiple forming partitions (102) are fixedly connected to the inner side walls of the forming groove and the forming recess (104). Feeding ports are opened at the front ends of the inner side walls of the forming groove and the forming recess (104).

6. The die for a gearbox housing that is convenient for installation and fixation according to claim 1, wherein: A first injection pipe (103) is fixedly installed at the front end of the outer side wall of the forming die core (101) and at the opening of the upper feeding port. A second injection pipe (105) is fixedly installed at the front end of the outer side wall of the forming die core (101) and at the opening of the lower feeding port.

7. A gearbox housing mold that is easy to install and fix according to claim 6, characterized in that: Fixing clamps (106) are fixedly sleeved on the outer sides of the front ends of the first injection pipe (103) and the second injection pipe (105). The second injection pipe (105) is fixedly connected to the inner wall of the pipe groove of the fixing seat (4).