Die-casting die for cylinder cover

By employing an upper and lower template structure and a combination of a hydraulic cylinder core-pulling assembly and an inclined guide pillar core-pulling slider assembly in the cylinder head die-casting mold, the problem of difficulty in setting two inclined cores at the vent hole position was solved, enabling the mold to simultaneously form two products within a limited space and improving processing efficiency.

CN223699278UActive Publication Date: 2025-12-23NINGBO ZUNHANG AUTO PARTS
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423124099.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-12-23
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

In the existing technology, it is difficult to set two corresponding oblique cores on the mold for the vent hole position of the automotive compressor cylinder head, resulting in low processing efficiency.

Method used

A die-casting mold for cylinder heads was designed, which adopts an upper and lower template structure. The lower template has forming sliders and driving cylinders on both sides. Combined with the cylinder core-pulling assembly and the inclined guide pillar core-pulling slider assembly, two forming cavities can be formed simultaneously. Through the cooperation of the cylinder core-pulling assembly and the second inclined guide pillar core-pulling slider assembly, the mold can form two products at the same time.

Benefits of technology

This improved production efficiency, enabling the mold to simultaneously form two cylinder head ventilation holes within a limited space, simplifying the core-pulling process and increasing processing efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223699278U_ABST
    Figure CN223699278U_ABST
Patent Text Reader

Abstract

The die-casting die comprises an upper die plate and a lower die plate which are arranged up and down, a lower die core is installed on the lower die plate, an upper die core matched with the lower die core is arranged on the upper die plate, and two forming die cavities arranged side by side are formed between the lower die core and the upper die core. A first forming sliding block and a second forming sliding block are arranged on the two sides of the lower die plate correspondingly, first inclined guide column core-pulling sliding block assemblies are installed at the two ends of the rear side of the first forming sliding block, and a second inclined guide column core-pulling sliding block assembly stretching into one forming die cavity is obliquely installed on the portion, on one side of the second forming sliding block, of the lower die plate. An oil cylinder core-pulling assembly parallel to the second inclined guide column core-pulling sliding block assembly is obliquely embedded in the upper side of the second forming sliding block, and one end of the oil cylinder core-pulling assembly is inserted into the other forming die cavity. The utility model can solve the technical problem that two corresponding inclined loose cores are difficult to arrange on the mold due to the positions of the vent holes of the compressor cylinder cover.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile parts die casting mould technical field, concretely is a die casting mould of cylinder cover. BACKGROUND

[0002] The cylinder cover of automobile compressor is a very important part in the new energy automobile heat management system, and is currently generally formed by using a die casting mould, the side of the cylinder cover of automobile compressor is provided with a plurality of mounting holes and air holes, due to the limited internal space of the mould, it is difficult to set two inclined core-pulling corresponding two forming cavities by using the space of the lower die plate, so only one forming cavity can be set at present, and the processing efficiency is low. UTILITY MODEL CONTENTS

[0003] The utility model provides a die casting mould of cylinder cover can solve because the air hole position of compressor cylinder cover is difficult to set two corresponding inclined core-pulling on the mould technical problem.

[0004] To achieve the above object, the utility model provides the following technical scheme: a die casting mould of cylinder cover, including upper die plate and lower die plate set up in up and down, the lower die plate is installed with lower mould core, the upper die plate is provided with the upper mould core that matches with lower mould core, the lower mould core and upper mould core between form two forming cavities that set up side by side, the both sides of lower die plate are provided with first forming slider and second forming slider respectively, the rear side of first forming slider and second forming slider is installed with first drive oil cylinder and second drive oil cylinder respectively, the inboard of upper die plate is installed with the feeding cylinder that is located the upper side of first forming slider, the rear side both ends of first forming slider are installed with first inclined guide pillar core-pulling slider assembly, the lower die plate of second forming slider one side is installed with second inclined guide pillar core-pulling slider assembly that extends into one of forming cavities, the upper side of second forming slider is installed with the oil cylinder core-pulling assembly that is parallel with second inclined guide pillar core-pulling slider assembly, one end of oil cylinder core-pulling assembly inserts into another forming cavity, sets up oil cylinder core-pulling assembly by using the space of second forming slider upper side to make the cylinder cover air hole in one forming cavity can be formed, and oil cylinder core-pulling assembly and second inclined guide pillar core-pulling slider assembly can satisfy the mould forming two products simultaneously, improve production efficiency.

[0005] As preferred, the first inclined guide pillar core-pulling slider assembly and the second inclined guide pillar core-pulling slider assembly each include a sliding seat and a core-pulling slider disposed in the sliding seat, the core-pulling slider has an inclined guide pillar disposed therein, and an end of the core-pulling slider has a forming core-pulling rod inserted into the forming cavity, when the upper die plate and the lower die plate are separated, the sliding seat will retreat simultaneously, and the core-pulling rod is synchronously core-pulled.

[0006] As preferred, the oil cylinder core-pulling assembly comprises a core-pulling oil cylinder and a shaped core-pulling rod arranged at one end of the core-pulling oil cylinder, the shaped core-pulling rod is inserted into another shaped mold cavity, the position of the core-pulling oil cylinder is located outside the upper die plate and the lower die plate, without using the inclined guide pillar, the shaped core-pulling rod can be automatically pulled out by using the core-pulling oil cylinder.

[0007] As preferred, a feeding plate is arranged between the lower end of the feeding cylinder and the first shaped slide block, a shunt runner communicating with the two shaped mold cavities is arranged between the feeding plate and the first shaped slide block, the feeding plate can guide the aluminum liquid entering the feeding cylinder, and the shunt runner can quickly guide the aluminum liquid into the shaped mold cavities.

[0008] As preferred, a material ejection plate is arranged below the lower die plate, a plurality of material ejection ejector pins vertically inserted into the shaped mold cavities are arranged on the material ejection plate, and the material ejection ejector pins can eject the products in the two shaped mold cavities.

[0009] As preferred, vacuum pumps installation grooves are arranged on the two sides of the lower die core above the lower die plate, and vacuum pumps matched with the corresponding exhaust blocks are arranged in the vacuum pumps installation grooves, so that the air in the shaped mold cavities can be quickly exhausted by the vacuum pumps, the air holes of the products in the shaped mold cavities are reduced, and the molding efficiency is improved.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The oil cylinder core-pulling assembly arranged in the space on the upper side of the second shaped slide block can make the cylinder cover vent hole in one shaped mold cavity be shaped, the oil cylinder core-pulling assembly and the second inclined guide pillar core-pulling slide block assembly can cooperate to meet the molding of two products at the same time, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a perspective view of the utility model;

[0013] Figure 2 It is a front view and sectional view structure diagram of the utility model;

[0014] Figure 3 It is a perspective view of the utility model after removing the upper die plate and the upper die core;

[0015] Figure 4 It is a plan view of the utility model after removing the upper die plate and the upper die core.

[0016] REFERENCE SIGNS:

[0017] 1, the upper die plate, 11, the first inclined guide pillar core-pulling slider assembly, 12, the forming mold cavity, 13, the vacuum pump installation groove, 14, the oil cylinder core-pulling assembly, 15, the second inclined guide pillar core-pulling slider assembly, 16, the slider support, 17, the second drive oil cylinder, 2, the lower die plate, 21, the inclined guide pillar, 22, the sliding seat, 23, the core-pulling slider, 24, the forming core-pulling rod, 25, the shunt runner, 26, the core-pulling oil cylinder, 27, the material ejecting plate, 28, the ejection pin, 29, the exhaust block, 3, the upper mold core, 4, the lower mold core, 5, the second forming slider, 7, the first forming slider, 8, the feeding plate, 9, the feeding cylinder, 10, the first drive oil cylinder. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0019] As Figures 1-4 shown, the utility model discloses a kind of die casting moulds of cylinder cover, including upper die plate 1 and lower die plate 2 in up-down arrangement, lower die plate 2 is installed with lower mold core 4, the upper die plate 1 is provided with upper mold core 3 matched with lower mold core 4, two forming mold cavities 12 are formed between lower mold core 4 and upper mold core 3 and are arranged side by side, the two sides of lower die plate 2 are provided with first forming slider 7 and second forming slider 5 respectively, the rear side of first forming slider 7 and second forming slider 5 is installed with first drive oil cylinder 10 and second drive oil cylinder 17 respectively, the inner side of upper die plate 1 is installed with feeding cylinder 9 located the upper side of first forming slider 7, the rear side both ends of first forming slider 7 are installed with first inclined guide pillar core-pulling slider assembly 11, the lower die plate 2 of second forming slider 5 one side is obliquely installed with second inclined guide pillar core-pulling slider assembly 15 that extends into one of forming mold cavities 12, the upper side of second forming slider 5 is obliquely embedded and installed with oil cylinder core-pulling assembly 14 parallel with second inclined guide pillar core-pulling slider assembly 15, one end of oil cylinder core-pulling assembly 14 is inserted into another forming mold cavity 12, oil cylinder core-pulling assembly 14 is set in the space of the upper side of second forming slider 5 to make that cylinder cover vent hole can be formed in one forming mold cavity 12, oil cylinder core-pulling assembly 14 can meet the mould while forming two products with second inclined guide pillar core-pulling slider assembly 15, improve production efficiency.

[0020] Specifically, the first inclined guide pillar core-pulling slider assembly 11 can be arranged in the corner space of the lower die plate 2, and part of the structure thereof can be arranged outside the lower die plate 2. Part of the structure of the second forming slider 5 is arranged outside the lower die plate 2, and a slider support 16 is arranged outside the lower die plate 2. The second forming slider 5 can slide along the slider support 16. Most of the structure of the oil cylinder core-pulling assembly 14 is arranged outside the lower die plate 2. In this way, the limited space of the mold can be utilized to the maximum extent. The second forming slider 5 has a large area, and the front end thereof is provided with a forming core-pulling shaft which extends into the two forming cavities 12. When the mold is opened, the forming core-pulling rods 24 on the first inclined guide pillar core-pulling slider assembly 11 and the oil cylinder core-pulling assembly 14 are first retracted to separate from the product, and then the second forming slider 5 is retracted to realize the opening of the mold and the ejection of the product.

[0021] In the embodiment, as shown in Figures 3-4 the first inclined guide pillar core-pulling slider assembly 11 and the second inclined guide pillar core-pulling slider assembly 15 each include a sliding seat 22 and a core-pulling slider 23 arranged in the sliding seat 22. The core-pulling slider 23 is provided with an inclined guide pillar 21 arranged obliquely in the core-pulling slider 23. The end of the core-pulling slider 23 is provided with a forming core-pulling rod 24 which extends into the forming cavity 12. When the upper die plate 1 and the lower die plate 2 are separated, the sliding seats are retracted at the same time to realize the synchronous core pulling of the forming core-pulling rods.

[0022] In the embodiment, as shown in Figures 3-4 the oil cylinder core-pulling assembly 14 includes a core-pulling oil cylinder 26 and a forming core-pulling rod 24 arranged at one end of the core-pulling oil cylinder 26. The forming core-pulling rod 24 extends into the other forming cavity 12. The position of the core-pulling oil cylinder 26 is located outside the upper die plate 1 and the lower die plate 2. The core-pulling oil cylinder 26 can realize the self-withdrawal of the forming core-pulling rod 24 without using an inclined guide pillar.

[0023] In the embodiment, as shown in Figures 2-4 a feeding plate 8 is arranged between the lower end of the feeding cylinder 9 and the first forming slider 7. The feeding plate 8 and the first forming slider 7 are provided with a shunt flow channel 25 which communicates with the two forming cavities 12. The feeding plate 8 can guide the molten aluminum entering the feeding cylinder 9, and the shunt flow channel 25 can quickly guide the molten aluminum into the forming cavities 12.

[0024] As shown in Figure 2 a feeding plate 8 is arranged between the lower end of the feeding cylinder 9 and the first forming slider 7. The feeding plate 8 and the first forming slider 7 are provided with a shunt flow channel 25 which communicates with the two forming cavities 12. The feeding plate 8 can guide the molten aluminum entering the feeding cylinder 9, and the shunt flow channel 25 can quickly guide the molten aluminum into the forming cavities 12.

[0025] In the embodiment, as shown in Figures 3-4As shown, the upper side of the lower mold plate 2 is provided with a vacuum pump installation groove 13 on both sides of the lower mold core 4, and a vacuum pump matched with the corresponding exhaust block 29 is installed in the vacuum pump installation groove 13, so that the air in the forming cavity can be quickly pumped out by the vacuum pump, the air holes of the formed product in the forming cavity are reduced, and the forming efficiency is improved.

[0026] It should be noted that all directional indications, such as upper, lower, left, right, front, rear, etc., are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0027] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0028] In the present application, unless otherwise specifically defined and limited, the terms "connection", "fixing" and the like should be understood broadly, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In addition, the technical solutions of each embodiment of the present application can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is within the scope of protection required by the present application.

Claims

1. A die for die casting a cylinder head, comprising an upper die plate (1) and a lower die plate (2) arranged one above the other, characterized in that The lower mold plate (2) is provided with a lower mold core (4), the upper mold plate (1) is provided with an upper mold core (3) matched with the lower mold core (4), two forming cavities (12) arranged side by side are formed between the lower mold core (4) and the upper mold core (3), the two sides of the lower mold plate (2) are respectively provided with a first forming slider (7) and a second forming slider (5), the rear sides of the first forming slider (7) and the second forming slider (5) are respectively provided with a first drive oil cylinder (10) and a second drive oil cylinder (17), the inner side of the upper mold plate (1) is provided with a feeding cylinder (9) located on the upper side of the first forming slider (7), the rear ends of the first forming slider (7) are provided with a first inclined guide pillar core-pulling slider assembly (11), the lower mold plate (2) on one side of the second forming slider (5) is provided with a second inclined guide pillar core-pulling slider assembly (15) obliquely inserted into one of the forming cavities (12), the upper side of the second forming slider (5) is provided with an oil cylinder core-pulling assembly (14) obliquely embedded and matched with the second inclined guide pillar core-pulling slider assembly (15), one end of the oil cylinder core-pulling assembly (14) is inserted into the other forming cavity (12).

2. The die casting mold for a cylinder head according to claim 1, characterized by: The first inclined guide pillar core-pulling slider assembly (11) and the second inclined guide pillar core-pulling slider assembly (15) both include a sliding seat (22) and a core-pulling slider (23) arranged in the sliding seat (22), the core-pulling slider (23) is provided with an inclined guide pillar (21) obliquely arranged in the core-pulling slider (23), and the end of the core-pulling slider (23) is provided with a forming core-pulling rod (24) inserted into the forming cavity.

3. The die casting mold for a cylinder head according to claim 1, characterized by: The oil cylinder core-pulling assembly (14) includes a core-pulling oil cylinder (26) and a forming core-pulling rod (24) arranged at one end of the core-pulling oil cylinder (26), and the forming core-pulling rod (24) is inserted into the other forming cavity (12).

4. The die casting mold for a cylinder head according to claim 1, characterized by: The lower end of the feeding cylinder (9) and the first forming slider (7) are provided with a feeding plate (8), and the feeding plate (8) and the first forming slider (7) are provided with a shunt flow channel (25) communicated with the two forming cavities (12).

5. The die casting mold for a cylinder head according to claim 1, characterized by: The lower mold plate (2) is provided with a material ejection plate (27), and the material ejection plate (27) is provided with a plurality of material ejection pins (28) vertically inserted into the forming cavities.

6. The die casting mold for a cylinder head according to claim 1, characterized by: The upper side of the lower mold plate (2) is provided with a vacuum pump mounting groove (13) on both sides of the lower mold core (4), and the vacuum pump mounting groove (13) is provided with a vacuum pump matched with a corresponding exhaust block (29).