A water pump shell forming die structure facilitating demolding

Abstract

The utility model relates to mould technical field especially, more particularly to a water pump casing forming die structure convenient to demould, its technical scheme includes: fixed mould base, left movable mould base and right movable mould base, left movable mould base, right movable mould base symmetrical sliding are arranged on fixed mould base, fixedly be provided with lower mould cavity on fixed mould base, left movable mould base, right movable mould base are provided with upper mould cavity symmetrically, fixed mould base, left movable mould base and right movable mould base constitute mould whole, the lower mould cavity and two upper mould cavities enclose and form casting forming cavity, fixed mould base, left movable mould base and right movable mould base inside still be provided with cooling water channel for mould temperature control, the utility model forms controllable parting structure through left and right symmetrical movable mould base slip cooperation fixed mould base, realizes water pump casing casting's high accuracy forming and high -efficient demoulding, effectively promotes production efficiency and product quality.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, and in particular to a water pump housing molding mold structure that facilitates demolding. Background Technology

[0002] As a critical pressure-bearing component in the pump structure, the manufacturing precision and molding quality of the pump casing directly affect the pump's operating efficiency, sealing performance, and service life. Currently, the manufacturing process of pump casings commonly employs metal casting, and the molds used are mostly traditional integral structures. These mold structures typically rely on the simple cooperation of upper and lower molds to close the cavity and form the part; demolding is achieved solely by lifting or separating the upper mold to remove the part.

[0003] However, when traditional molds are used to form complex hollow structures such as water pump housings, they often lack effective parting structures and demolding aids, resulting in demolding difficulties, and the parts are prone to jamming, deformation, or even damage.

[0004] To address this issue, we propose a water pump housing molding die structure that facilitates demolding. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a water pump housing molding die structure that facilitates demolding.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a water pump housing molding die structure that facilitates demolding, comprising a fixed die base, a left movable die base, and a right movable die base, wherein the left movable die base and the right movable die base are symmetrically slidably disposed on the fixed die base, wherein a lower cavity is fixedly disposed on the fixed die base, and the left movable die base and the right movable die base are symmetrically disposed with upper cavities;

[0007] The fixed mold base, the left movable mold base, and the right movable mold base constitute the mold as a whole, and the lower cavity and the two upper cavities together form the casting forming cavity;

[0008] The fixed mold base, the left movable mold base, and the right movable mold base are also equipped with cooling water channels for mold temperature control.

[0009] Preferably, the left movable mold base and the right movable mold base are respectively provided with guide pillars and guide sleeves. The guide pillar of the left movable mold base is inserted into the guide sleeve of the right movable mold base, and the guide pillar of the right movable mold base is inserted into the guide sleeve of the left movable mold base. The guide pillars and guide sleeves are used for centering and positioning during the mold opening and closing process.

[0010] Preferably, the fixed mold base is symmetrically provided with slide rails, and the left movable mold base and the right movable mold base are both provided with slide rails, which are slidably disposed on the slide rails.

[0011] Preferably, the mold has a casting port on its entirety, the casting port is connected to the casting cavity, and the casting port is used to introduce the casting material into the casting cavity.

[0012] Preferably, the upper cavity and the lower cavity mating surface are provided with vent holes, which are designed in a serpentine curve and are used to discharge gas during the casting process.

[0013] Preferably, the outer walls of the left and right movable mold bases and the lower surface of the fixed mold base are provided with fixing screw holes for installation.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This utility model's pump housing molding die structure facilitates demolding. During use, the fixed mold base is fixed in a designated position through the fixing screw holes, and an external hydraulic power device is connected through the fixing screw holes of the left and right movable mold bases.

[0016] After hydraulic mold closing, the casting material is introduced into the casting cavity through the casting gate. The temperature of the mold is controlled by the cooling water channel inside the mold. After the casting is formed and cooled, the mold is hydraulically opened, so that the left and right movable mold bases move away synchronously, so that the casting is separated from the upper cavity. Then, the personnel pull the casting upward to separate it from the lower cavity, thus completing the demolding of the casting.

[0017] This utility model mold adopts a fixed mold base and a left and right symmetrical movable mold base structure. The left and right movable mold bases can slide symmetrically along the slide, which is conducive to smooth separation from the water pump housing molding structure, significantly improving demolding efficiency and reducing the probability of damage to the parts.

[0018] The mold adopts the upper and lower cavities for molding, combined with the interlocking structure of guide pillars and guide sleeves, to ensure the alignment accuracy of the cavities when the mold is closed, effectively improving the consistency and dimensional accuracy of the products;

[0019] Cooling channels are provided in all parts of the mold, which can quickly remove heat, shorten the cooling cycle, improve mold production efficiency, and extend mold service life.

[0020] The cavity mating surface is designed with serpentine vent holes, which can effectively expel gas from the mold cavity, avoid defects such as porosity and shrinkage in the product, and ensure the product's density and mechanical properties. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the mold closing state of this utility model;

[0022] Figure 2 This is a schematic diagram of the left movable mold base structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the right movable mold base structure of this utility model;

[0024] Figure 4 This is a schematic diagram of the fixed mold base structure of this utility model.

[0025] Figure label:

[0026] 1. Fixed mold base; 2. Left movable mold base; 3. Right movable mold base; 4. Slide rail; 5. Vent hole; 6. Casting gate; 7. Guide pillar; 8. Upper cavity; 9. Guide sleeve; 10. Slide rail; 11. Lower cavity. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1

[0029] like Figures 1-4 As shown, the present invention proposes a water pump housing molding die structure that facilitates demolding, including a fixed mold base 1, a left movable mold base 2 and a right movable mold base 3. The left movable mold base 2 and the right movable mold base 3 are symmetrically slidably disposed on the fixed mold base 1. The left movable mold base 2 and the right movable mold base 3 are respectively connected to an external hydraulic power device through fixed screw holes. Under hydraulic drive, they can slide synchronously along the slide rail 4 to realize the mold closing and opening operations.

[0030] A lower cavity 11 is fixedly provided on the fixed mold base 1, and an upper cavity 8 is provided on the left movable mold base 2 and the right movable mold base 3 respectively. When the mold is closed, the three cavities together enclose the casting forming cavity.

[0031] To ensure the alignment accuracy when the mold closes, the left movable mold base 2 and the right movable mold base 3 are respectively provided with guide pillars 7 and guide sleeves 9. The guide pillars 7 on the left movable mold base 2 are inserted into the guide sleeves 9 on the right movable mold base 3, and the guide pillars 7 on the right movable mold base 3 are inserted into the guide sleeves 9 on the left movable mold base 2. The guide pillars 7 and guide sleeves 9 are interference fit to achieve precise positioning of the symmetrical opening and closing movement of the mold.

[0032] To ensure smooth movement of the movable mold base on the fixed mold base 1, slide rails 10 are provided at the bottom of the left movable mold base 2 and the right movable mold base 3. The slide rails 10 are connected to the slide tracks 4 symmetrically arranged on the fixed mold base 1 to ensure that the movable mold base slides stably along the preset path.

[0033] Example 2

[0034] like Figures 1-4 As shown, the present invention proposes a water pump housing molding mold structure that facilitates demolding. Compared with Embodiment 1, this embodiment further includes: the mold as a whole is provided with a casting port 6, and the casting material is injected into the casting cavity through the casting port 6. During casting, the molten material is injected into the molding cavity through the casting port 6 provided on the mold as a whole. The mold is provided with a cooling water channel to quickly remove heat, accelerate the cooling and molding process, improve the mold efficiency and prevent thermal deformation.

[0035] To prevent gas accumulation from causing defects in the molded parts, a serpentine vent hole 5 is provided on the mating surface of the upper cavity 8 and the lower cavity 11. The vent hole 5 is used to promptly discharge air or gas from inside the mold cavity to prevent quality problems such as porosity and shrinkage.

[0036] After molding is completed and fully cooled, the hydraulic device controls the left movable mold base 2 and the right movable mold base 3 to slide to both sides, so that the upper cavity 8 is separated from the casting. Then, the operator can pull out the casting in the vertical direction to separate it from the lower cavity 11, thus successfully completing the demolding process.

[0037] The above specific embodiments are merely several preferred embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

[0038] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A water pump housing molding die structure for easy demolding, comprising a fixed mold base (1), a left movable mold base (2), and a right movable mold base (3), characterized in that: The left movable mold base (2) and the right movable mold base (3) are symmetrically slidably disposed on the fixed mold base (1). The fixed mold base (1) is fixedly disposed with a lower cavity (11). The left movable mold base (2) and the right movable mold base (3) are symmetrically disposed with an upper cavity (8). The fixed mold base (1), the left movable mold base (2) and the right movable mold base (3) constitute the mold as a whole, and the lower cavity (11) and the two upper cavities (8) together form the casting forming cavity; The fixed mold base (1), the left movable mold base (2) and the right movable mold base (3) are also provided with cooling water channels for mold temperature control.

2. The water pump housing molding die structure for easy demolding according to claim 1, characterized in that: The left movable mold base (2) and the right movable mold base (3) are respectively provided with guide pillars (7) and guide sleeves (9). The guide pillar (7) of the left movable mold base (2) is inserted into the guide sleeve (9) of the right movable mold base (3), and the guide pillar (7) of the right movable mold base (3) is inserted into the guide sleeve (9) of the left movable mold base (2). The guide pillars (7) and guide sleeves (9) are used for centering and positioning during the mold opening and closing process.

3. The pump housing molding die structure for easy demolding according to claim 1, characterized in that: The fixed mold base (1) is symmetrically provided with slide rails (4), and the left movable mold base (2) and the right movable mold base (3) are both provided with slide rails (10), and the slide rails (10) are slidably disposed on the slide rails (4).

4. The pump housing molding die structure for easy demolding according to claim 1, characterized in that: The mold has a casting port (6) on its entirety. The casting port (6) is connected to the casting cavity and is used to introduce the casting material into the casting cavity.

5. The pump housing molding die structure for easy demolding according to claim 1, characterized in that: The upper cavity (8) and the lower cavity (11) are provided with exhaust holes (5), which are designed in a serpentine shape and are used to discharge gas during the casting process.

6. The water pump housing molding die structure for easy demolding according to claim 1, characterized in that: The outer walls of the left movable mold base (2) and the right movable mold base (3) as well as the lower surface of the fixed mold base (1) are provided with fixing screw holes for installation.

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