Clutch shell forming die

Abstract

The clutch shell forming mold comprises a front mold assembly and a rear mold assembly, the front mold assembly and the rear mold assembly are arranged in a relative sliding mode, the front mold assembly is provided with a front mold, the rear mold assembly is provided with a rear mold and an ejector rod, the ejector rod penetrates through the rear mold, an air hole is formed in the middle of the ejector rod, and an opening is formed in the top of the air hole; when the front mold assembly and the rear mold assembly get close to each other, the front mold makes contact with the rear mold, the front mold, the rear mold and the ejector rod jointly define a product cavity, the front mold assembly is provided with a sprue gate, the sprue gate communicates with the product cavity, the front mold assembly is provided with a mold core rod, and the mold core rod extends into the product cavity and abuts against the ejector rod. According to the clutch shell forming die, the shaft hole is formed in place at a time through the die core rod, the die core rod abuts against the ejector rod, the air hole is formed in the middle of the ejector rod, and the opening is formed in the top of the air hole, so that gas exhaust is facilitated, the defects of bubbles, air holes and the like on the side wall of the shaft hole are avoided, the gas tightness of a product is guaranteed, and the product quality is improved.

Description

Technical Field

[0001] The present application relates to the technical field of clutch housings, and in particular to a clutch housing forming die. Background Art

[0002] Many automotive parts, especially aluminum alloy parts, are formed by die casting. Figure 1 The clutch housing shown in the figure is formed by a die-casting mold. The clutch housing 100 includes a peripheral main body 110 and a connecting column 120 disposed in the main body 110, and a shaft hole 130 is disposed in the middle of the connecting column 120. During the clutch housing molding process, the shaft hole 130 in the connecting column 120 is realized by the cooperation of the mold cores on the front mold and the rear mold, resulting in defects such as bubbles and pores on the side wall of the produced shaft hole 130, which is unqualified for air tightness and affects product quality. Utility Model Content

[0003] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a clutch housing forming die that can avoid defects such as bubbles and pores on the side wall of the shaft hole, ensure the air tightness of the product, and improve the product quality.

[0004] According to the clutch housing molding mold described in the embodiment of the present application, it includes a front mold assembly and a rear mold assembly, the front mold assembly and the rear mold assembly are arranged to slide relative to each other, the front mold assembly is provided with a front mold, and the rear mold assembly is provided with a rear mold and a push rod, the push rod is penetrated by the rear mold, an air hole is provided in the middle of the push rod, and an opening is provided at the top of the air hole, when the front mold assembly and the rear mold assembly are close to each other, the front mold contacts the rear mold, so that the front mold, the rear mold and the push rod jointly define a product cavity, the front mold assembly is provided with a pouring gate, and the pouring gate is connected to the product cavity, the front mold assembly is provided with a core rod, and the core rod extends into the product cavity and abuts against the push rod.

[0005] The clutch housing molding die according to the embodiment of the present application has at least the following beneficial effects: the clutch housing molding die according to the embodiment of the present application forms the axial hole in one step through the core rod, and the core rod abuts against the push rod, an air hole is provided in the middle of the push rod, and an opening is provided at the top of the air hole, which is conducive to the discharge of gas, avoids defects such as bubbles and air holes on the side wall of the axial hole, ensures the air tightness of the product, and improves the product quality.

[0006] According to the clutch housing forming mold described in the embodiment of the present application, the rear mold is provided with a mounting column, the mounting column is provided with a mounting hole, and the push rod is inserted into the mounting hole.

[0007] According to the clutch housing molding die described in the embodiment of the present application, the front mold is provided with a positioning groove, the rear mold is provided with a positioning protrusion, the front mold is in contact with the rear mold, so that the positioning protrusion is matched and connected with the positioning groove.

[0008] According to the clutch housing molding mold described in the embodiment of the present application, the front mold assembly includes a front mold plate, the front mold is arranged on the front mold plate, the rear mold assembly includes a rear mold plate, the rear mold is arranged on the rear mold plate, and the rear mold plate is slidably arranged relative to the front mold plate.

[0009] The clutch housing molding mold according to the embodiment of the present application further includes a core pulling assembly, which is slidably disposed on the rear template, and the core pulling assembly slides to enter or leave the product cavity.

[0010] According to the clutch housing molding mold described in the embodiment of the present application, the core pulling assembly includes a first core pulling part and a second core pulling part, the first core pulling part is slidably arranged on the first side of the rear template, and the second core pulling part is slidably arranged on the second side of the rear template.

[0011] According to the clutch housing molding mold described in the embodiment of the present application, the first core-pulling part is provided with an inclined guide hole, the front template is provided with an inclined guide column, the inclined guide column is passed through the inclined guide hole, and the rear template slides relative to the front template, so that the inclined guide column drives the first core-pulling part to slide to enter or leave the product cavity.

[0012] According to the clutch housing forming mold described in the embodiment of the present application, the rear template is provided with a driving member, the driving member is connected to the second core-pulling part, and the driving member drives the second core-pulling part to slide.

[0013] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0015] Figure 1 A schematic structural diagram of a clutch housing produced by a clutch housing forming die according to an embodiment of the present application;

[0016] Figure 2 This is a schematic structural diagram of a clutch housing forming mold according to an embodiment of the present application;

[0017] Figure 3 This is a schematic diagram of the structure of the front mold and the rear mold in the clutch housing molding mold of the embodiment of the present application in contact with each other;

[0018] Figure 4 This is a first exploded view of the clutch housing molding die of an embodiment of the present application;

[0019] Figure 5 A second exploded view of the clutch housing molding die according to an embodiment of the present application;

[0020] Figure 6 This is a schematic structural diagram of a front mold in a clutch housing molding mold according to an embodiment of the present application;

[0021] Figure 7 This is a schematic structural diagram of the rear mold in the clutch housing molding mold of an embodiment of the present application.

[0022] Description of reference numerals:

[0023] Clutch housing 100; main body 110; connecting column 120; axial hole 130; front mold 210; pouring port 220; core rod 230; positioning groove 240; front mold plate 250; inclined guide column 260; rear mold 310; ejector rod 320; air hole 321; mounting column 330; positioning protrusion 340; slag bag 350; exhaust channel 360; rear mold plate 370; first slide groove 371; second slide groove 372; driving member 380; first core pulling part 410; second core pulling part 420; inclined guide hole 430; first connecting block 440; second connecting block 450. DETAILED DESCRIPTION

[0024] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0025] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0026] In the description of this application, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0027] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0028] Reference Figure 1 The clutch housing 100 includes a main body 110 and a connecting column 120 disposed in the main body 110, and a shaft hole 130 is disposed in the middle of the connecting column 120. During the molding process of the clutch housing 100, the shaft hole 130 in the connecting column 120 is realized by the cooperation of the mold cores on the front mold and the rear mold, resulting in defects such as bubbles and pores on the side wall of the produced shaft hole 130, which is unqualified in air tightness and affects product quality.

[0029] Reference Figures 2 to 7 The embodiment of the present application provides a clutch housing molding mold, including a front mold assembly and a rear mold assembly, the front mold assembly and the rear mold assembly are arranged to slide relative to each other, the front mold assembly is provided with a front mold 210, the rear mold assembly is provided with a rear mold 310 and a push rod 320, the push rod 320 is penetrated by the rear mold 310, the middle of the push rod 320 is provided with an air hole 321, and the top of the air hole 321 is provided with an opening, when the front mold assembly and the rear mold assembly are close to each other, the front mold 210 contacts the rear mold 310, so that the front mold 210, the rear mold 310 and the push rod 320 jointly define a product cavity, the front mold assembly is provided with a pouring gate 220, the pouring gate 220 is connected to the product cavity, the front mold assembly is provided with a core rod 230, the core rod 230 extends into the product cavity and abuts against the push rod 320.

[0030] The clutch housing molding die described in the embodiment of the present application forms the shaft hole 130 in one go through the core rod 230, and the core rod 230 abuts against the push rod 320. An air hole 321 is provided in the middle of the push rod 320, and an opening is provided at the top of the air hole 321, which is conducive to the discharge of gas and avoids defects such as bubbles and air holes 321 on the side wall of the shaft hole 130, thereby ensuring the air tightness of the product and improving the product quality.

[0031] Reference Figure 2 and Figure 3 Specifically, the rear mold 310 is provided with a mounting column 330, the top of the mounting column 330 is provided with a groove adapted to the product cavity, the mounting column 330 is provided with a mounting hole, and the ejector rod 320 is inserted into the mounting hole. By adopting the above structure, it is easy to realize the production and processing of the groove and the air hole 321, and improve the production efficiency.

[0032] It should be noted that the rear mold 310 can also be integrally formed with a groove that is compatible with the product cavity. In this case, a mounting hole is provided in the groove, and the push rod 320 is passed through the mounting hole; or, the rear mold 310 is provided with a mounting column 330, and the air hole 321 is directly provided on the mounting column 330, thereby reducing the installation of parts and facilitating operation.

[0033] Reference Figures 4 to 7 In this embodiment, the front mold 210 is provided with a positioning groove 240, and the rear mold 310 is provided with a positioning protrusion 340. The front mold 210 contacts the rear mold 310, so that the positioning protrusion 340 is matched and connected with the positioning groove 240. Specifically, the positioning groove 240 is provided at the four corners of the front mold 210, and correspondingly, the positioning protrusion 340 is provided at the four corners of the rear mold 310. When the front mold 210 contacts the rear mold 310, the positioning groove 240 and the positioning protrusion 340 cooperate with each other. By adopting the cooperation of the positioning groove 240 and the positioning protrusion 340, the mold clamping accuracy can be improved, and the molding quality of the gearbox bracket can be effectively improved. Furthermore, the rear mold 310 is provided with a slag bag 350, the slag bag 350 is connected to the product cavity, and the slag bag 350 is provided with an exhaust channel 360, so that the generation of bubbles can be reduced and the product quality can be improved.

[0034] Reference Figures 2 to 7 It can be imagined that the front mold assembly includes a front mold plate 250, the front mold 210 is arranged on the front mold plate 250, and the rear mold assembly includes a rear mold plate 370, the rear mold 310 is arranged on the rear mold plate 370, and the rear mold plate 370 is slidably arranged relative to the front mold plate 250. Specifically, the rear mold plate 370 drives the rear mold 310 to slide, so that the rear mold 310 is close to or away from the front mold 210, thereby realizing the mold closing or mold opening action.

[0035] Reference Figures 4 to 7 In some embodiments of the present application, the clutch housing molding die further includes a core pulling assembly, which is slidably disposed on the rear template 370, and the core pulling assembly slides to enter or leave the product cavity. Further, the core pulling assembly includes a first core pulling portion 410 and a second core pulling portion 420, the first core pulling portion 410 is slidably disposed on a first side of the rear template 370, and the second core pulling portion 420 is slidably disposed on a second side of the rear template 370. Through the cooperation of the first core pulling portion 410 and the second core pulling portion 420, the product meets the production requirements and improves the product quality.

[0036] Reference Figures 4 to 7Specifically, the first core-pulling part 410 is provided with an oblique guide hole 430, the front template 250 is provided with an oblique guide column 260, the oblique guide column 260 is penetrated in the oblique guide hole 430, and the rear template 370 slides relative to the front template 250, so that the oblique guide column 260 drives the first core-pulling part 410 to slide to enter or leave the product cavity. Further, the rear template 370 is provided with a first slide groove 371, and the first core-pulling part 410 is provided with a first connecting block 440, the first connecting block 440 is slidably matched with the first slide groove 371, and the oblique guide hole 430 is provided on the first connecting block 440. When the rear mold assembly slides relative to the front mold assembly, the first connecting block 440 can slide along the first slide groove 371 under the action of the oblique guide column 260 to drive the first core-pulling part 410 to slide, thereby realizing automatic core pulling or automatic core insertion. By using the oblique guide hole 430 to cooperate with the oblique guide column 260, no power setting is required, which reduces the cost. Of course, the first core-pulling portion 410 can also be driven by a cylinder, and this application does not impose any limitation on this.

[0037] Reference Figures 4 to 7 It is easy to think that the rear template 370 is provided with a driving member 380, the driving member 380 is connected to the second core-pulling part 420, and the driving member 380 drives the second core-pulling part 420 to slide. Specifically, the rear template 370 is provided with a second slide groove 372, and the second core-pulling part 420 is provided with a second connecting block 450, the second connecting block 450 is slidably matched with the second slide groove 372, and the driving member 380 is matched and connected with the second connecting block 450. The driving member 380 drives the second connecting block 450 to slide along the second slide groove 372, so that the second core-pulling part 420 slides, thereby realizing the automatic core pulling or automatic core insertion of the second core-pulling part 420, with a simple structure and easy operation. It should be noted that the sliding of the second core-pulling part 420 can also be achieved by the cooperation of the inclined guide column 260 and the inclined guide hole 430. Those skilled in the art can make reasonable choices according to actual conditions, and this application does not limit this.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0039] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. Clutch housing forming die, characterized in that: It includes a front mold assembly and a rear mold assembly, the front mold assembly and the rear mold assembly are arranged to slide relative to each other, the front mold assembly is provided with a front mold, the rear mold assembly is provided with a rear mold and a push rod, the push rod is penetrated by the rear mold, an air hole is provided in the middle of the push rod, and an opening is provided at the top of the air hole, when the front mold assembly and the rear mold assembly are close to each other, the front mold contacts the rear mold, so that the front mold, the rear mold and the push rod jointly define a product cavity, the front mold assembly is provided with a pouring gate, the pouring gate is connected with the product cavity, the front mold assembly is provided with a core rod, the core rod extends into the product cavity and abuts against the push rod.

2. The clutch housing molding die according to claim 1, characterized in that: The rear mold is provided with a mounting column, the mounting column is provided with a mounting hole, and the ejector rod is passed through the mounting hole.

3. The clutch housing molding die according to claim 2, characterized in that: The front mold is provided with a positioning groove, and the rear mold is provided with a positioning protrusion. The front mold contacts the rear mold so that the positioning protrusion is matched and connected with the positioning groove.

4. The clutch housing molding die according to claim 1, characterized in that: The front mold assembly includes a front mold plate, and the front mold is arranged on the front mold plate. The rear mold assembly includes a rear mold plate, and the rear mold is arranged on the rear mold plate. The rear mold plate is slidably arranged relative to the front mold plate.

5. The clutch housing molding die according to claim 4, characterized in that: It also includes a core pulling component, which is slidably arranged on the rear template, and the core pulling component slides to enter or leave the product cavity.

6. The clutch housing molding die according to claim 5, characterized in that: The core pulling assembly includes a first core pulling part and a second core pulling part. The first core pulling part is slidably disposed on a first side of the rear template, and the second core pulling part is slidably disposed on a second side of the rear template.

7. The clutch housing molding die according to claim 6, characterized in that: The first core-pulling part is provided with an inclined guide hole, the front template is provided with an inclined guide column, the inclined guide column is passed through the inclined guide hole, and the rear template slides relative to the front template, so that the inclined guide column drives the first core-pulling part to slide to enter or leave the product cavity.

8. The clutch housing molding die according to claim 6, characterized in that: The rear template is provided with a driving member, the driving member is connected to the second core-pulling part, and the driving member drives the second core-pulling part to slide.

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