CN219378932U - Casting die fast in cooling speed - Google Patents

Abstract

The utility model relates to the technical field of pump shell casting, and discloses a casting mold with high cooling speed, which comprises a mounting base, wherein a lower mold is fixedly arranged at the top of the mounting base, an upper mold is movably arranged at the top of the lower mold, forming grooves are formed in the lower mold and the upper mold, a lower cooling groove below the forming grooves is formed in the lower mold, an upper cooling groove above the forming grooves is formed in the upper mold, a water inlet pipe and a water outlet pipe which are respectively communicated with the lower cooling groove and the upper cooling groove are fixedly arranged on the front sides of the lower mold and the upper mold, and a three-way pipe is fixedly arranged at the tops of the water inlet pipe and the water outlet pipe below. This casting mould that cooling rate is fast, through setting up lower cooling tank and the last cooling tank that is located the shaping groove upper and lower two sides, cooperation inlet tube and outlet pipe are with coolant liquid input/output, have had carrying out quick even cooling to the cast pump case, avoid the inhomogeneous advantage that leads to the fact the shrinkage cavity of pump case cooling temperature.

Description

A casting mold with fast cooling speed

technical field

The utility model relates to the technical field of pump casing casting, in particular to a casting mold with fast cooling speed.

Background technique

A pump is a machine that transports fluid or pressurizes the fluid. It transmits the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. The pump is mainly used to transport liquids such as water, oil, acid and alkali, emulsion, suspoemulsion and liquid metal. The pump casing is an important part of the pump body, and the pump casing is usually produced by casting.

Existing casting molds for pump casings are usually divided into upper and lower molds. After injecting molten metal into the forming groove in the mold, the molds are pressure-cast and cooled to form. However, traditional casting molds for pump casings usually use natural cooling. Due to the special shape of the pump casing, the cooling temperature of some parts will be uneven during cooling, resulting in shrinkage cavities and affecting the production quality of the pump casing. Therefore, a casting mold with fast cooling speed is proposed to solve the above-mentioned problems.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides a casting mold with fast cooling speed, which has the advantages of fast and uniform cooling of the cast pump casing and avoids shrinkage cavities caused by uneven cooling temperature of the pump casing.

(2) Technical solution

The technical solution of the utility model to solve the above-mentioned technical problems is as follows: a casting mold with fast cooling speed, including a mounting base, a lower mold is fixedly installed on the top of the mounting base, an upper mold is movably installed on the top of the lower mold, a forming groove is opened inside the lower mold and the upper mold, a lower cooling groove is located below the forming groove inside the lower mold, an upper cooling groove is located above the forming groove inside the upper mold, water inlet pipes and water outlets respectively connected with the lower cooling groove and the upper cooling groove are fixedly installed on the front sides of the lower mold and the upper mold The top of the water inlet pipe and the water outlet pipe below are fixed with a three-way pipe, and the water inlet pipe and the water outlet pipe above are inserted into the tops of the two left and right three-way pipes respectively. A water tank is fixedly installed on the front side of the installation base, and a water pump is fixedly installed on the top of the installation base.

The beneficial effects of the utility model are:

The casting mold with fast cooling speed, by setting the lower cooling tank and the upper cooling tank located on the upper and lower sides of the forming tank, cooperates with the water inlet and outlet pipes to input and output the cooling liquid, which has the advantages of rapid and uniform cooling of the cast pump casing and avoids shrinkage caused by uneven cooling temperature of the pump casing.

On the basis of the above technical solutions, the utility model can also be improved as follows.

Further, the top of the installation base is fixedly installed with an installation frame located above the lower mold, the left and right sides of the upper mold are fixedly equipped with connection plates, and the top of the installation frame is fixedly installed with two hydraulic telescopic rods whose output ends extend to the bottom and are fixedly connected to the tops of the two connection plates.

The beneficial effect of adopting the above further solution is that, by controlling the contraction of the output end of the hydraulic telescopic rod, the upper mold is driven to rise to realize the function of taking the mold.

Further, the height of the installation frame is not less than three times the thickness of the upper mold, and the output length of the hydraulic telescopic rod is not less than three times the thickness of the upper mold.

The beneficial effect of adopting the above-mentioned further solution is that the upper mold has enough rising space, which is convenient for taking out the formed pump casing.

Further, it also includes a pouring pipe and a vent hole, the pouring pipe is fixedly installed on the top of the upper mold and communicates with the forming groove, and the vent hole is opened on the top of the upper mold and communicates with the forming groove.

The beneficial effect of adopting the above further solution is that the metal liquid is injected into the forming tank through the pouring pipe.

Further, the water inlet pipe and the water outlet pipe are respectively located at the left and right ends of the lower cooling tank and the upper cooling tank, and the shapes of the lower cooling tank and the upper cooling tank are respectively adapted to the shapes of the upper and lower sides of the forming tank.

The beneficial effect of adopting the above further solution is that the lower cooling groove and the upper cooling groove matched with the forming groove make the cooling and heat dissipation more uniform.

Further, the size of the ends of the upper water inlet pipe and the water outlet pipe is adapted to the inner size of the three-way pipe, and rubber sealing rings are provided on the inner contact surfaces of the three-way pipe and the upper water inlet pipe and the water outlet pipe.

The beneficial effect of adopting the above further solution is to improve the sealing performance of the water inlet pipe, the water outlet pipe and the tee pipe.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a perspective view of the structure of the utility model;

Fig. 3 is a right side cross-sectional view of the utility model structure;

Figure 4 is an enlarged view of A in the figure of the utility model.

In the figure: 1. Installation base; 2. Lower mold; 3. Upper mold; 4. Forming tank; 5. Lower cooling tank; 6. Upper cooling tank; 7. Water inlet pipe; 8. Outlet pipe; 9. Tee pipe; 10. Water tank; 11. Water pump; 12. Return pipe; 13. Mounting frame;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the embodiment, as shown in Figures 1-4, a casting mold with a fast cooling rate, the utility model includes a mounting base 1, the top of the mounting base 1 is fixedly installed with a lower mold 2, and the top of the lower mold 2 is movably installed. The water inlet pipe 7 and the water outlet pipe 8 connected between the tank 5 and the upper cooling tank 6, the tops of the lower water inlet pipe 7 and the water outlet pipe 8 are fixedly installed with a three-way pipe 9, the upper water inlet pipe 7 and the water outlet pipe 8 are respectively plugged into the tops of the left and right two tee pipes 9, the front side of the installation base 1 is fixedly installed with a water tank 10, and the top of the installation base 1 is fixedly installed with a water pump 11. , the rear side of the water tank 10 communicates with the left tee pipe 9 through the return pipe 12 .

Wherein, the top of the installation base 1 is fixedly installed with a mounting bracket 13 positioned above the lower mold 2, and the left and right sides of the upper mold 3 are fixedly equipped with connecting plates 14, and the top of the mounting frame 13 is fixedly equipped with two hydraulic telescopic rods 15 whose output ends extend to the bottom and are fixedly connected to the tops of the two connecting plates 14.

By controlling the contraction of the output end of the hydraulic telescopic rod 15, the upper mold 3 is driven to rise to realize the function of taking the mold.

Wherein, the height of the mounting frame 13 is not less than three times the thickness of the upper mold 3, and the output length of the hydraulic telescopic rod 15 is not less than three times the thickness of the upper mold 3.

Make the upper mold 3 have enough rising space, be convenient to take out the pump casing after forming.

Wherein, also comprise watering pipe 16 and air hole 17, watering pipe 16 is fixedly installed on the top of upper mold 3 and communicates with forming groove 4, and air hole 17 is opened on the top of upper mold 3 and communicates with forming groove 4.

The molten metal is injected into the forming tank 4 through the pouring pipe 16 .

Wherein, the water inlet pipe 7 and the water outlet pipe 8 are located at the left and right ends of the lower cooling tank 5 and the upper cooling tank 6 respectively, and the shapes of the lower cooling tank 5 and the upper cooling tank 6 are adapted to the upper and lower shapes of the forming tank 4 respectively.

The lower cooling groove 5 and the upper cooling groove 6 matched with the forming groove 4 make the cooling and heat dissipation more uniform.

Wherein, the size of the end of the upper water inlet pipe 7 and the water outlet pipe 8 is adapted to the inner size of the three-way pipe 9, and the inner contact surfaces of the three-way pipe 9 and the upper water inlet pipe 7 and the water outlet pipe 8 are all provided with rubber sealing rings.

Improve the tightness of the water inlet pipe 7, the water outlet pipe 8 and the tee pipe 9.

working principle:

First: start to control the extension of the output end of the hydraulic telescopic rod 15, and drive the upper mold 3 to move downward under the action of the connecting plate 14, so that the upper mold 3 and the lower mold 2 fit together, and then inject the metal liquid into the forming tank 4 through the pouring pipe 16;

Secondly: when the upper mold 3 moves downward, the water inlet pipe 7 and the water outlet pipe 8 on the front side of the upper mold 3 are respectively inserted into the corresponding three-way pipe 9 to cooperate and communicate;

Finally: when the molten metal fills the forming tank 4 and needs to be cooled, the water pump 11 is started, and the water pump 11 transports the cooling liquid in the water tank 10 to the lower cooling tank 5 and the upper cooling tank 6 respectively through the water inlet pipe 7. With the water pressure generated by the water pump 11, the cooling liquid is transported to the left end along with the right end of the lower cooling tank 5 and the upper cooling tank 6, and finally flows out through the outlet pipe 8, and flows into the water tank 10 through the return pipe 12 for recycling.

It should be noted that in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements but also other elements not expressly listed or which are inherent to such process, method, article or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A casting mold with fast cooling speed, comprising a mounting base (1), characterized in that: the top of the mounting base (1) is fixedly equipped with a lower mold (2), the top of the lower mold (2) is movably installed with an upper mold (3), the inside of the lower mold (2) and the upper mold (3) are provided with a molding groove (4), the inside of the lower mold (2) is provided with a lower cooling groove (5) positioned below the molding groove (4), and the inside of the upper mold (3) is provided with a cooling groove (5) positioned above the molding groove (4) In the upper cooling tank (6), the front sides of the lower mold (2) and the upper mold (3) are fixedly installed with water inlet pipes (7) and water outlet pipes (8) respectively connected with the lower cooling groove (5) and the upper cooling groove (6). The tops of the water inlet pipes (7) and the water outlet pipes (8) below are fixed with a tee pipe (9). A water tank (10) is fixedly installed on the side, and a water pump (11) is fixedly installed on the top of the installation base (1). The outlet end of the water pump (11) communicates with the right tee pipe (9), the water inlet end of the water pump (11) communicates with the rear side of the water tank (10), and the rear side of the water tank (10) communicates with the left tee pipe (9) through the return pipe (12). 2. A casting mold with fast cooling rate according to claim 1, characterized in that: the top of the mounting base (1) is fixedly equipped with a mounting bracket (13) positioned above the lower mold (2), the left and right sides of the upper mold (3) are fixedly equipped with connecting plates (14), and the top of the mounting frame (13) is fixedly equipped with two hydraulic telescopic rods (15) whose output ends extend to the bottom and are fixedly connected to the tops of the two connecting plates (14). 3. A casting mold with fast cooling rate according to claim 2, characterized in that: the height of the mounting frame (13) is not less than three times the thickness of the upper mold (3), and the output length of the hydraulic telescopic rod (15) is not less than three times the thickness of the upper mold (3). 4. A casting mold with fast cooling speed according to claim 1, characterized in that: it also includes a pouring pipe (16) and a vent hole (17), the pouring pipe (16) is fixedly installed on the top of the upper mold (3) and communicates with the forming groove (4), and the vent hole (17) is opened on the top of the upper mold (3) and communicates with the forming groove (4). 5. A casting mold with a fast cooling rate according to claim 1, characterized in that: the water inlet pipe (7) and the water outlet pipe (8) are respectively located at the left and right ends of the lower cooling tank (5) and the upper cooling tank (6), and the shapes of the lower cooling tank (5) and the upper cooling tank (6) are respectively adapted to the shapes of the upper and lower sides of the forming tank (4). 6. A casting mold with a fast cooling rate according to claim 1, characterized in that: the size of the ends of the water inlet pipe (7) and the water outlet pipe (8) above are matched with the inside size of the tee pipe (9), and rubber sealing rings are provided on the inside contact surfaces of the tee pipe (9) and the water inlet pipe (7) and the water outlet pipe (8) above.