CN218926161U

CN218926161U - Vacuum pump shell mould

Info

Publication number: CN218926161U
Application number: CN202223178514.5U
Authority: CN
Inventors: 谢园
Original assignee: Yancheng Chuangxinda Mould Co ltd
Current assignee: Yancheng Chuangxinda Mould Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-04-28
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to the technical field of dies and discloses a vacuum pump shell die which comprises an upper die and a lower die, wherein the upper die is arranged above the lower die, an upper cavity is arranged at the central position of the bottom of the upper die, a lower cavity is arranged at the central position of the top of the lower die, handles are fixedly connected to the two sides of the top of the upper die, a casting opening is fixedly arranged at the central position of the top of the upper die, and a diversion mechanism is arranged below the casting opening.

Description

Vacuum pump shell mould

Technical Field

The utility model relates to the technical field of dies, in particular to a vacuum pump housing die.

Background

A mold, a variety of molds and tools for industrially producing the desired product by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping, etc.; in short, a mold is a tool for making a molded article, which is composed of various parts, and different molds are composed of different parts; the processing of the appearance of the article is realized mainly by changing the physical state of the formed material; the term "industrial mother" is used.

In the production of vacuum pump shell, adopt the mode of mould casting generally, however, its most position of pouring hole of current casting mould is single, and vacuum pump shell body thickness is less generally, consequently probably leads to pouring in-process molten metal to distribute unevenly, leads to filling effect relatively poor to influence product shaping effect, influence product percent of pass and whole casting efficiency.

To this end, we propose a vacuum pump housing mould.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art and provides a vacuum pump shell mould.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the vacuum pump shell mold comprises an upper mold and a lower mold, wherein the upper mold is arranged above the lower mold, an upper-shaped cavity is arranged at the central position of the bottom of the upper mold, a lower-shaped cavity is arranged at the central position of the top of the lower mold, handles are fixedly connected to the two sides of the top of the upper mold, a casting nozzle is fixedly arranged at the central position of the top of the upper mold, and a diversion mechanism is arranged below the casting nozzle at the top of the upper mold.

Preferably, the diversion mechanism comprises a diversion groove which is arranged at the top of the upper die and is positioned at the position below the casting nozzle.

Preferably, the liquid dividing groove is cylindrical, and the bottom of the liquid dividing groove is a spherical bulge.

Preferably, eight diversion holes are distributed in a circumferential array between the bottom of the circumferential inner wall of the liquid dividing groove and the outer side of the inner wall of the top of the upper cavity, and the diversion holes are inclined downwards.

Preferably, the circumferential outer walls of the upper die and the lower die are provided with vent holes in circumferential array distribution, and the section of each vent hole is C-shaped.

Preferably, the top of the circumferential outer wall of the lower die is provided with four second connecting seats which are fixedly connected in a circumferential array mode, the second connecting seats are fixed with the lower die in a welding mode, positioning jacks are vertically formed between the top and the bottom of the second connecting seats, and the positioning jacks are rectangular holes.

Preferably, the top of the circumferential outer wall of the upper die is provided with four first connecting seats which are fixedly connected in a circumferential array mode, the first connecting seats are fixed with the upper die in a welding mode, positioning cutting bars are fixedly connected at positions corresponding to the first connecting seats and the second connecting seats, lock catch cutting bars are rotationally connected at the bottoms of the positioning cutting bars, and the outer diameter sizes of the positioning cutting bars and the lock catch cutting bars are matched with the inner diameter sizes of the positioning insertion holes.

Preferably, the top of the lower die is provided with a ring groove, the bottom of the section of the ring groove is in a downward arc shape, a convex ring is arranged at the position of the bottom of the upper die corresponding to the ring groove, the bottom of the section of the convex ring is in a downward arc shape, and the convex ring is matched with the ring groove.

Advantageous effects

The utility model provides a vacuum pump housing mould. The beneficial effects are as follows:

(1) This vacuum pump shell mould, through casting gate, branch cistern, the branch orifice that sets up, during the casting, the molten metal gets into branch cistern from the casting gate in, then evenly to dispersing all around through the sphere form arch of branch cistern bottom to get into shape intracavity through the reposition of redundant personnel orifice, thereby make molten metal distribute more evenly, improve the product casting effect, promote the product qualification rate, and then improve the operating efficiency.

(2) According to the vacuum pump shell mold, through the set ventilation holes, the ventilation holes in the shape of the C are beneficial to air circulation in the mold, so that the cooling rate of the mold is improved through air flow, and the casting efficiency of a product is improved.

(3) This vacuum pump shell mould, through the location jack that sets up, the location cutting, the hasp cutting, during the mould combination, earlier rotate the hasp cutting to with the coincidence state of location cutting, then put down last mould from the bed die top, make location cutting and hasp cutting pass the location jack and fix a position, then rotate the hasp cutting and be vertical state with the location cutting, thereby carry out spacingly to last mould and bed die, make the locking between last mould and the bed die fixed convenient and fast more, cooperate the setting of bulge loop and annular simultaneously, mould sealing effect has been improved, avoid the gap between metal melt and the bed die to spill from last mould and the bed die.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the upper mold of the present utility model;

FIG. 3 is a schematic cross-sectional view of the lower mold of the present utility model;

fig. 4 is a schematic view of a first connecting seat structure according to the present utility model.

Legend description:

1. an upper die; 2. a lower die; 3. a casting nozzle; 4. a handle; 5. a first connection base; 6. a second connecting seat; 7. a vent hole; 8. a liquid dividing tank; 9. a diversion aperture; 10. a convex ring; 11. an upper-shaped cavity; 12. a ring groove; 13. a lower shaped cavity; 14. positioning the jack; 15. positioning the cutting; 16. and locking the cutting.

Detailed Description

Embodiment one: 1-3, including last mould 1 and bed die 2, go up mould 1 and set up in bed die 2 top, go up mould 1 bottom central point put the department and be provided with shape chamber 11, bed die 2 top central point put and be provided with down shape chamber 13, go up mould 1 top both sides position and all fixedly connected with handle 4, go up mould 1 top central point put the department fixed mounting of putting and have casting gate 3, go up mould 1 top and be provided with the reposition of redundant personnel mechanism below casting gate 3.

As shown in fig. 2, the diversion mechanism comprises a diversion groove 8, wherein the diversion groove 8 is arranged at the position below the casting nozzle 3 at the top of the upper die 1. The liquid dividing groove 8 is cylindrical, and the bottom of the liquid dividing groove 8 is a spherical bulge. Eight distribution holes 9 are formed in the circumferential array between the bottom of the circumferential inner wall of the liquid distribution groove 8 and the outer side of the inner wall of the top of the upper cavity 11, and the distribution holes 9 are inclined downwards, so that the distribution of molten metal is more uniform, the casting effect of products is improved, the qualification rate of the products is improved, and the operation efficiency is further improved.

The working principle of the utility model is as follows: during casting, molten metal enters the liquid separating groove 8 from the casting nozzle 3, then evenly disperses the molten metal to the periphery through spherical protrusions at the bottom of the liquid separating groove 8, and enters the shape cavity through the flow dividing holes 9, so that the molten metal is more evenly distributed, the product casting effect is improved, the product qualification rate is improved, and the operation efficiency is further improved.

Embodiment two:

as shown in fig. 2 and 3, the peripheral outer walls of the upper mold 1 and the lower mold 2 are distributed in a peripheral array, and the cross section of the vent 7 is in a shape of 'C', which has the effect of improving the mold cooling rate and further improving the product casting efficiency.

The working principle of the utility model is as follows: the C-shaped vent holes 7 facilitate air circulation in the mold, so that the cooling rate of the mold is improved through air flow, and the casting efficiency of the product is improved.

Embodiment III:

as shown in fig. 2-4, four second connecting seats 6 are fixedly connected to the top of the circumferential outer wall of the lower die 2 in a circumferential array, and positioning jacks 14 are vertically formed between the top and the bottom of the second connecting seats 6. The top of the circumferential outer wall of the upper die 1 is provided with four first connecting seats 5 which are distributed in a circumferential array and fixedly connected with a positioning cutting 15, the positions of the bottoms of the first connecting seats 5 and the positions of the bottoms of the second connecting seats 6, which correspond to the positions, are fixedly connected with locking cutting 16, the bottoms of the positioning cutting 15 are rotationally connected with locking cutting 16, and the outer diameter sizes of the positioning cutting 15 and the locking cutting 16 are matched with the inner diameter sizes of the positioning jacks 14. The annular groove 12 has been seted up at bed die 2 top, and annular groove 12 cross-section bottom is circular-arc downwards, and upper die 1 bottom and annular groove 12 correspond the position department and are provided with bulge loop 10, and bulge loop 10 cross-section bottom is circular-arc downwards, and bulge loop 10 cooperatees with annular groove 12, and its effect lies in, makes the locking between upper die 1 and the bed die 2 fix convenient and fast more, has improved the mould sealed effect, avoids the gap between metal melt follow upper die 1 and the bed die 2 to spill.

The working principle of the utility model is as follows: during die assembly, the lock catch cutting 16 is rotated to be in a state of being overlapped with the positioning cutting 15, then the upper die 1 is put down from the upper side of the lower die 2, the positioning cutting 15 and the lock catch cutting 16 penetrate through the positioning jack 14 to be positioned, and then the lock catch cutting 16 and the positioning cutting 15 are rotated to be in a vertical state, so that the upper die 1 and the lower die 2 are limited, the locking and fixing between the upper die 1 and the lower die 2 are more convenient and rapid, and meanwhile, the setting of the convex ring 10 and the annular groove 12 is matched, the die sealing effect is improved, and the leakage of molten metal from gaps between the upper die 1 and the lower die 2 is avoided.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a vacuum pump shell mould, includes mould (1) and bed die (2), its characterized in that: the upper die (1) is arranged above the lower die (2), an upper cavity (11) is formed in the center position of the bottom of the upper die (1), a lower cavity (13) is formed in the center position of the top of the lower die (2), handles (4) are fixedly connected to the two sides of the top of the upper die (1), a casting nozzle (3) is fixedly arranged in the center position of the top of the upper die (1), and a diversion mechanism is arranged below the casting nozzle (3) at the top of the upper die (1).

2. The vacuum pump housing mold of claim 1, wherein: the diversion mechanism comprises a diversion groove (8), wherein the diversion groove (8) is arranged at the position, below the casting nozzle (3), of the top of the upper die (1).

3. The vacuum pump housing mold of claim 2, wherein: the liquid separating groove (8) is cylindrical, and the bottom of the liquid separating groove (8) is a spherical bulge.

4. A vacuum pump housing mold according to claim 3, wherein: eight diversion holes (9) are distributed between the bottom of the circumferential inner wall of the liquid dividing groove (8) and the outer side of the inner wall of the top of the upper cavity (11) in a circumferential array, and the diversion holes (9) are inclined downwards.

5. The vacuum pump housing mold of claim 1, wherein: the upper die (1) and the lower die (2) are provided with vent holes (7) in circumferential array distribution on the circumferential outer walls, and the section of each vent hole (7) is C-shaped.

6. The vacuum pump housing mold of claim 1, wherein: four second connecting seats (6) are fixedly connected to the top of the circumferential outer wall of the lower die (2) in a circumferential array distribution mode, and positioning jacks (14) are vertically formed between the top and the bottom of each second connecting seat (6).

7. The vacuum pump housing mold of claim 6, wherein: the top of the circumferential outer wall of the upper die (1) is provided with four first connecting seats (5) which are fixedly connected in a circumferential array manner, positioning cutting bars (15) are fixedly connected at positions corresponding to the bottoms of the first connecting seats (5) and the second connecting seats (6), locking cutting bars (16) are rotationally connected to the bottoms of the positioning cutting bars (15), and the outer diameter sizes of the positioning cutting bars (15) and the locking cutting bars (16) are matched with the inner diameter sizes of the positioning jacks (14).

8. The vacuum pump housing mold of claim 7, wherein: the top of the lower die (2) is provided with a ring groove (12), the bottom of the cross section of the ring groove (12) is in a downward arc shape, a convex ring (10) is arranged at the position corresponding to the bottom of the upper die (1) and the ring groove (12), the bottom of the cross section of the convex ring (10) is in a downward arc shape, and the convex ring (10) is matched with the ring groove (12).