Die with deep cavity spraying structure
By designing a deep cavity spray structure and a multi-pipe combined lubricant delivery system in the mold, the problem of deep cavity mold spraying during zinc alloy die casting is solved, and uniform lubrication of the mold cavity is achieved and product pass rate is improved.
Patent Information
- Application Number
- CN202421046014.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-14
AI Technical Summary
During the zinc alloy die-casting process, existing spray technology is difficult to spray into the deep cavity mold, resulting in defects such as thermal erosion of the mold, product adhesion, warping, etc., affecting the product pass rate.
A mold with a deep cavity spray structure is designed. Through the cooperation of the oblique rod and the slider, the slider is driven to switch between the spray position and the die-cast position, and a lubricant delivery system with a multi-pipe combination is used to ensure the lubricant in the mold cavity. The spraying has no dead corners, including sliders, oblique rods, lubricant supplement components, injection holes and solenoid valves, to achieve effective lubrication of deep cavity parts.
It effectively reduces product adhesive, strain and deformation, improves product qualification rate, makes the mold cavity evenly lubricated, and reduces production difficulty.
Smart Images

Figure CN222268648U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of die casting, in particular to a mold with a deep cavity spraying structure. Background Art
[0002] During the zinc alloy die-casting process, the high-temperature liquid state of the zinc alloy will cause high-temperature erosion and damage to the mold surface, causing the mold temperature to continue to rise, resulting in defects such as pores, warping, and adhesion in the casting. By spraying the lubricant into atomized form onto the mold surface through a spray technology nozzle, the mold surface can be cooled, the temperature rise rate can be slowed down, the temperature can be lowered, and a lubricating effect can be achieved. In the existing zinc alloy die-casting process, before the mold is closed, the spray box is controlled to extend along the track between the movable mold and the fixed mold to spray the mold surface. However, the mold has many deep cavities and complex structures, and it is difficult to spray into them with existing sprays, resulting in many problems such as product sticking, strain, deformation, and mold jamming. The yield rate is low, the performance is poor, and product delivery is affected. Utility Model Content
[0003] In view of the defects of the above-mentioned prior art, the main purpose of the utility model is to overcome the shortcomings of the prior art, and discloses a mold with a deep cavity spraying structure, including a fixed mold and a movable mold, wherein a fixed mold core is arranged on the fixed mold, and a movable mold core is arranged on the movable mold, and also includes a slider and a lubricant replenishing assembly, wherein the slider is slidably arranged on the movable mold, and a characteristic portion with a deep cavity structure is arranged on the slider; the inclined rod is arranged on the fixed mold, and a driving hole is arranged on the slider, when the movable mold moves toward the fixed mold, the inclined rod cooperates with the driving hole to drive the slider to move; a first pipeline is arranged on the movable mold, and at least one injection hole and a second pipeline are arranged on the movable mold core, when the movable mold core is installed on the movable mold, the second pipeline connects the injection hole and one end of the first pipeline, and a quick connector is installed on the other end of the first pipeline, which is connected to the lubricant replenishing assembly by using the quick connector, and the lubricant replenishing assembly provides lubricant, and the injection hole faces the opening of the characteristic portion.
[0004] Furthermore, the first pipeline includes a first pipe and a second pipe, a movable mold assembly cavity matching with the movable mold core is recessed on the movable mold, the first pipe is recessed at the bottom of the movable mold assembly cavity, the second pipe is recessed on the side wall of the movable mold, and the first pipe and the second pipe are connected.
[0005] Furthermore, the second pipeline includes a third pipeline, a fourth pipeline and a plug, one end of the third pipeline is an open structure, the fourth pipeline is connected to the third pipeline, the other end of the fourth pipeline is an open structure, and the fourth pipeline corresponds to the first pipeline; the plug is arranged at the opening of the third pipeline; the injection hole is connected to the third pipeline.
[0006] Furthermore, the lubricant replenishing assembly includes a liquid storage tank, a third pipeline, a pump and a solenoid valve, the pump is arranged in the liquid storage tank, the solenoid valve is connected to the pump, the third pipeline connects the quick connector and the solenoid valve, and the solenoid valve is used to control the opening and closing of the third pipeline.
[0007] Furthermore, a sealing ring is provided between the first pipeline and the second pipeline.
[0008] Beneficial effects achieved by the utility model:
[0009] The utility model controls the slider to drive the characteristic part to switch between the spraying position and the die-casting position through the cooperation of the inclined rod and the slider, and cooperates with the injection hole to spray the lubricant, increases the lubricant spraying at a specific position, makes the lubricant spraying in the mold cavity without dead angles, reduces product sticking, pulling, and deformation, and further improves the product qualification rate. The first pipeline and the second pipeline adopt a multi-pipeline combination, which is convenient for the opening of the lubricant delivery pipeline and reduces the difficulty of production. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a three-dimensional structural schematic diagram of a mold with a deep cavity spraying structure of the utility model;
[0011] Figure 2 for Figure 1 A top view of
[0012] Figure 3 for Figure 2 AA section view;
[0013] The reference numerals are as follows:
[0014] 1. Fixed mold, 2. Moving mold, 3. Fixed mold core, 4. Moving mold core, 5. Slider, 6. Inclined rod, 7. Lubricant replenishing assembly, 8. Quick connector, 9. Sealing ring, 21. First pipeline, 41. Injection hole, 42. Second pipeline, 51. Feature part, 71. Liquid storage tank, 72. Third pipeline, 73. Solenoid valve, 211. First pipeline, 212. Second pipeline, 421. Third pipeline, 422. Fourth pipeline, 423. Plug. DETAILED DESCRIPTION
[0015] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0016] A mold with a deep cavity spray structure, such as Figure 1-Figure 3As shown, it includes a fixed mold 1 and a movable mold 2, a fixed mold core 3 is arranged on the fixed mold 1, and a movable mold core 4 is arranged on the movable mold 2. After the fixed mold 1 and the movable mold 2 are molded together, the fixed mold core 3 and the movable mold core 4 form a mold cavity of the product. It also includes a slider 5 and an inclined rod 6. The slider 5 is slidably arranged on the movable mold 2, and the inclined rod 6 is arranged on the fixed mold. The slider 5 is provided with a driving hole, and the slider 5 is provided with a feature part 51 with a deep cavity structure. The slider 5 is driven to move by the movement of the movable mold 2; when the mold is closed, the inclined rod 6 controls the feature part 51 to be inserted into the mold cavity by cooperating with the driving hole, and becomes a part of the mold cavity. When the mold is opened, the slider 5 drives the feature part 51 to move to the spraying position to spray the lubricant on the deep cavity part of the feature part 51. The first pipeline 21 is arranged on the movable mold 2, and at least one injection hole 41 and a second pipeline 42 are arranged on the movable mold core 4; the lubricant delivery pipeline adopts a multi-section structure, so that the pipeline is opened on the movable mold 2 and the movable mold core 4. When the movable mold core 4 is installed on the movable mold 2, the second pipeline 42 connects the injection hole 41 and one end of the first pipeline 21, and the other end of the first pipeline 21 is installed with a quick connector 8, which is connected to the lubricant replenishing assembly 7 through the quick connector 8. The lubricant replenishing assembly 7 is used to store lubricant and inject the lubricant into the first pipeline 21 and the second pipeline 42. The injection hole 41 faces the opening of the feature part 51, so that the lubricant can be sprayed into the deep cavity of the feature part 51.
[0017] In one embodiment, if Figure 1-Figure 3 As shown, the first pipeline 21 includes a first pipeline 211 and a second pipeline 212. The movable mold 2 is provided with a movable mold assembly cavity matched with the movable mold core 4. The bottom of the movable mold assembly cavity is provided with a first pipeline 211. The side wall of the movable mold is provided with a second pipeline 212. The first pipeline 211 is connected with the second pipeline 212. The installation position of the quick connector 8 is changed by matching the first pipeline 211 with the second pipeline 212, so that the quick connector is installed on the side.
[0018] In one embodiment, if Figure 1-Figure 3 As shown, the second pipeline 42 includes a third pipeline 421, a fourth pipeline 422 and a plug 423. The third pipeline 421 is used to connect the fourth pipeline 422 and the injection hole 41 to increase the distribution position of the injection hole 41. Specifically, one end of the third pipeline 421 is an open structure, so that the third pipeline 421 can be set on the movable mold core 4. The fourth pipeline 422 is connected to the third pipeline 421, and the other end of the fourth pipeline 422 is an open structure, and the fourth pipeline 422 corresponds to the first pipeline 21, so that after the movable mold core 4 is installed in the movable mold 2, the fourth pipeline 422 is aligned and connected with the first pipeline 211. The plug 423 is installed at one end of the open structure of the third pipeline 421 to achieve the blocking of the third pipeline 421.
[0019] In one embodiment, if Figure 1-Figure 3As shown, the lubricant replenishing assembly 7 includes a liquid storage tank 71, a third pipeline 72, a pump and a solenoid valve 73. The pump is arranged in the liquid storage tank 71, the solenoid valve 73 is connected to the pump, the third pipeline 72 is connected to the quick connector 8 and the solenoid valve 73, and the opening and closing of the third pipeline 72 are controlled by the solenoid valve 73. The injection and stopping of the lubricant are controlled by the solenoid valve 73.
[0020] In one embodiment, if Figure 1-Figure 3 As shown, a sealing ring 9 is provided between the first pipeline 21 and the second pipeline 42 to prevent leakage of lubricant at the connection between the first pipeline 21 and the second pipeline 42.
[0021] When the utility model is used, Figure 1-Figure 3 As shown, the movable mold 2 moves open, and the inclined rod 6 drives the slider to move sideways to drive the feature part 51 to the lubricant spraying position. In this position, the injection hole 41 faces the deep cavity position of the feature part 51. The solenoid valve 73 is opened, and the lubricant is pumped out through the pump and sprayed out from the injection hole 41 along the first pipeline 21 and the second pipeline 42. The lubricant is sprayed on the deep cavity position of the feature part 51. When the mold is closed, the slider 5 is reset by the inclined rod 6, and the feature part 51 is pushed to the die casting position.
[0022] The above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. If the present invention is modified or replaced by equivalents without departing from the spirit and scope of the present invention, they should be included in the scope of protection of the claims of the present invention.
Claims
1. A mold with a deep cavity spraying structure, comprising a fixed mold and a movable mold, wherein the fixed mold is provided with a fixed mold core, and the movable mold is provided with a movable mold core, characterized in that: It also includes a slider, an inclined rod and a lubricant replenishing assembly, wherein the slider is slidably arranged on the movable mold, and a feature portion having a deep cavity structure is arranged on the slider; the inclined rod is arranged on the fixed mold, and a driving hole is arranged on the slider, and when the movable mold moves toward the fixed mold, the inclined rod cooperates with the driving hole to drive the slider to move; a first pipeline is arranged on the movable mold, and at least one injection hole and a second pipeline are arranged on the movable mold core, and when the movable mold core is installed on the movable mold, the second pipeline connects the injection hole and one end of the first pipeline, and a quick connector is installed on the other end of the first pipeline, which is connected to the lubricant replenishing assembly by using the quick connector, and the lubricant replenishing assembly provides lubricant, and the injection hole faces the opening of the feature portion.
2. The mold of the deep cavity spraying structure according to claim 1, characterized in that: The first pipeline includes a first pipe and a second pipe. A movable mold assembly cavity matching with the movable mold core is recessed on the movable mold. The first pipe is recessed at the bottom of the movable mold assembly cavity. The second pipe is recessed on the side wall of the movable mold, and the first pipe and the second pipe are connected.
3. The mold of the deep cavity spraying structure according to claim 1, characterized in that: The second pipeline includes a third pipeline, a fourth pipeline and a plug, one end of the third pipeline is an open structure, the fourth pipeline is connected to the third pipeline, the other end of the fourth pipeline is an open structure, and the fourth pipeline corresponds to the first pipeline; the plug is arranged at the opening of the third pipeline; the injection hole is connected to the third pipeline.
4. The mold of the deep cavity spraying structure according to claim 1, characterized in that: The lubricant replenishing assembly includes a liquid storage tank, a third pipeline, a pump and a solenoid valve. The pump is arranged in the liquid storage tank, the solenoid valve is connected to the pump, the third pipeline connects the quick connector and the solenoid valve, and the solenoid valve is used to control the opening and closing of the third pipeline.
5. The mold of the deep cavity spraying structure according to claim 1, characterized in that: A sealing ring is arranged between the first pipeline and the second pipeline.