CN212793010U

CN212793010U - An injection molding die for mechanical engineering castings

Info

Publication number: CN212793010U
Application number: CN202021678558.2U
Authority: CN
Inventors: 黄锴
Original assignee: Yangyang Mirs Machinery Manufacturing Co ltd
Current assignee: Yongzhou Hengnuo Engineering Project Management Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-03-26
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses an injection molding die for mechanical engineering castings, which comprises a fixing frame, a hydraulic cylinder is fixedly connected to one side of an inner side wall of the fixing frame, a movable die is fixedly connected to the piston end of the hydraulic cylinder, and the fixing frame is A spring cylinder is fixedly connected to one side of the inner side wall of the hydraulic cylinder, and the spring cylinders are symmetrically located on both sides of the hydraulic cylinder. There are springs inside the two spring cylinders, and a baffle plate is fixedly connected to one end of the two springs away from the inner side wall of the fixing frame. , one side of the two baffles away from the spring is fixedly connected with an ejector rod, and the ejector rod extends vertically through the outer surface of the movable die to the other side. In the utility model, through the hydraulic cylinder, the spring cylinder, the spring ejector rod, the fixed mold and the movable mold, after the material is formed and cooled, the piston end of the hydraulic cylinder drives the movable mold to retreat, thereby driving the ejector rod to retreat to a certain distance. , when the ejector rod is in the spring cylinder and the spring force is equal to that of the ejector rod in the movable mold, it starts to demould, which can realize rapid demoulding.

Description

Injection molding die for mechanical engineering castings

Technical Field

The utility model relates to the technical field of mold, especially, relate to a mechanical engineering foundry goods injection molding mould.

Background

The forming die, also called a section die, is a die which is manufactured according to the shape and the structure of a real object in proportion, and a tool which enables a material to be in a certain shape by a pressing or pouring method;

the existing injection molding die for mechanical engineering castings is generally cooled on a fixed die, the cooling speed is low, the fast production is not facilitated, the working efficiency is greatly influenced, meanwhile, the fast demolding can not be realized in the production process, and because cold and hot alternation exists between the original raw materials and the mixed flowing auxiliary agent powder, and an injection hole is directly communicated with an inner cavity of the die, therefore, when a blank is cooled, the powder of the original flowing auxiliary agent in the injection hole gradually forms slurry, the injection hole on the side wall of the die is easily blocked, and the production is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a mechanical engineering casting injection molding mold.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an injection molding die for mechanical engineering castings comprises a fixed frame, wherein a hydraulic cylinder is fixedly connected to one side of the inner side wall of the fixed frame, a movable die is fixedly connected to the piston end of the hydraulic cylinder, a spring barrel is fixedly connected to one side of the inner side wall of the fixed frame, the spring barrels are symmetrically arranged on two sides of the hydraulic cylinder, springs are arranged in the two spring barrels, a baffle is fixedly connected to one end, away from the inner side wall of the fixed frame, of the two springs, an ejector rod is fixedly connected to one side, away from the springs, of the two baffle plates, the ejector rod vertically penetrates through the outer surface of the movable die and extends to the other side, a fixed die is arranged on one side, away from the hydraulic cylinder, of the movable die, a first injection pipe is arranged at the center of the outer surface of the fixed die, the first injection pipe vertically, and first temperature sensor passes through the wire electrical property with the heating chamber and links to each other, one side fixedly connected with second injection pipe that first injection pipe was kept away from in the heating chamber, and the second injection pipe runs through the inside of mount perpendicularly and extends to the surface, the faying face of movable mould and cover half is opened there is the die cavity, the four corners symmetry of movable mould and cover half is equipped with four gag lever posts, and the both ends of gag lever post are all fixed on the inside wall of mount, be fixed connection between gag lever post and the cover half, be sliding connection between gag lever post and the movable mould, the inside of movable mould and cover half all is equipped with the cooling tube, and interior bottom one side of mount is equipped with the cooler bin, the inside of cooler bin is equipped with.

As a further description of the above technical solution:

two the top of cooling tube is connected with first hose jointly, two the bottom that the cooling tube is located the cover half is equipped with the water inlet and is located the movable mould is equipped with the delivery port, water pump fixedly connected with second hose, the one end that the water pump was kept away from to the second hose and the water inlet fixed connection of cooling tube, the outer fixed surface of cooler bin is connected with the third hose, the one end of cooler bin and the delivery port fixed connection of cooling tube are kept away from to the third hose.

As a further description of the above technical solution:

the cooling box is internally filled with cooling liquid.

As a further description of the above technical solution:

the surface one side of cover half is equipped with the blast pipe, and the blast pipe runs through the surface of cover half perpendicularly and extends to the opposite side, the inside that the one end that the cover half was kept away from to the blast pipe runs through the mount perpendicularly extends to the surface.

As a further description of the above technical solution:

the inner bottom of the fixed die is provided with a second temperature sensor, the second temperature sensor is electrically connected with the water pump through a lead, and the first temperature sensor and the second temperature sensor are OHR-A103C-02-X/X-A in model.

As a further description of the above technical solution:

and a nozzle is arranged at one end of the first injection pipe, which is far away from the heating cavity.

The utility model discloses following beneficial effect has:

1. this mechanical engineering foundry goods injection moulding mould, cover half through setting up, the movable mould, the cooling tube, first hose, the second hose, the third hose, a water pump, cooler bin and second temperature sensor, after the material injection gets into the die cavity, temperature sensor experiences the temperature of mould and surpasss when the uniform temperature, the control water pump begins to operate, coolant liquid in the cooler bin is along the hose, the cooling tube cools off movable mould and cover half simultaneously, the reduction movable mould and cover half surface temperature has been accelerated, thereby help the quick shaping of material to cool off, production has been accelerated, work efficiency has greatly improved.

2. According to the injection molding die for the mechanical engineering castings, through the hydraulic cylinder, the spring ejector rod, the fixed die and the movable die, after the materials are molded and cooled, the piston end of the hydraulic cylinder drives the movable die to retreat, so that the ejector rod is driven to retreat, after the ejector rod retreats to a certain distance, the ejector rod starts to be demolded when the ejector rod receives spring elasticity in the spring cylinder and the ejector rod receives material blank adhesive force in the movable die, and rapid demolding can be realized.

3. This mechanical engineering foundry goods injection moulding mould, through heating chamber, first temperature sensor, first injection pipe and the second injection pipe that sets up, when material gets into the heating chamber through the second injection pipe, first temperature sensor responds to the material and passes through heating chamber temperature, crosses when low when expecting the temperature, and control heating chamber begins the operation, carries out the secondary heating to the material, avoids the material to form the ground paste, blocks up nozzle and injection pipe, influences production efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the fixed mold of the present invention;

fig. 3 is a schematic view of the movable mold of the present invention.

Illustration of the drawings:

1. a fixed mount; 2. a limiting rod; 3. a nozzle; 4. a second syringe; 5. a heating cavity; 6. a first temperature sensor; 7. an exhaust pipe; 8. a cooling tube; 9. a first hose; 10. a cavity; 11. a first syringe; 12. a spring; 13. a hydraulic cylinder; 14. a baffle plate; 15. a spring case; 16. a top rod; 17. a third hose; 18. a cooling tank; 19. a water pump; 20. a second hose; 21. a second temperature sensor; 22. moving the mold; 23. and (5) fixing the mold.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: an injection molding mold for a mechanical engineering casting comprises a fixed frame 1, a hydraulic cylinder 13 is fixedly connected to one side of the inner side wall of the fixed frame 1, a movable mold 22 is fixedly connected to the piston end of the hydraulic cylinder 13, a spring barrel 15 is fixedly connected to one side of the inner side wall of the fixed frame 1, the spring barrels 15 are symmetrically arranged on two sides of the hydraulic cylinder 13, springs 12 are arranged inside the two spring barrels 15, a baffle plate 14 is fixedly connected to one end, away from the inner side wall of the fixed frame 1, of each spring 12, an ejector rod 16 is fixedly connected to one side, away from the spring 12, of each baffle plate 14, the ejector rod 16 vertically penetrates through the outer surface of the movable mold 22 and extends to the other side, a fixed mold 23 is arranged on one side, away from the hydraulic cylinder 13, a first injection pipe 11 is arranged at the center of the outer surface of the fixed mold, the top of heating chamber 5 is equipped with first temperature sensor 6, and first temperature sensor 6 passes through the wire electrical property with heating chamber 5 and links to each other, one side fixedly connected with second injection pipe 4 of first injection pipe 11 is kept away from to heating chamber 5, and second injection pipe 4 runs through the inside of mount 1 perpendicularly and extends to the surface, the faying face of movable mould 22 and cover half 23 is opened there is die cavity 10, the four corners symmetry of movable mould 22 and cover half 23 is equipped with four gag lever posts 2, and the both ends of gag lever post 2 are all fixed on the inside wall of mount 1, be fixed connection between gag lever post 2 and the cover half 23, be sliding connection between gag lever post 2 and the movable mould 22, the inside of movable mould 22 and cover half 23 all is equipped with cooling tube 8, interior bottom one side of mount 1 is equipped with cooler bin 18, the inside of cooler bin 18 is.

Two cooling tube 8's top is connected with first hose 9 jointly, the bottom that two cooling tube 8 are located cover half 23 is equipped with the bottom that the water inlet is located movable mould 22 and is equipped with the delivery port, 19 fixedly connected with second hoses 20 of water pump, 19 one end of water pump and 8's water inlet fixed connection are kept away from to second hoses 20, the outer fixed surface of cooler bin 18 is connected with third hose 17, cooler bin 18's one end and 8's delivery port fixed connection are kept away from to third hose 17, the hose is the metal collapsible tube stainless steel material, it is corrosion-resistant to have, high temperature resistant can also prevent effectively that water from hitting the phenomenon.

The cooling box 18 is filled with cooling liquid, and the cooling liquid has good cooling effect and can be recycled.

The surface one side of cover half 23 is equipped with blast pipe 7, and blast pipe 7 runs through the surface of cover half 23 perpendicularly and extends to the opposite side, and the one end that the cover half 23 was kept away from to blast pipe 7 runs through the inside of mount 1 perpendicularly and extends to the surface, a large amount of gases that produce when can the discharge material get into in the die cavity 10 to effectively reduced injection pressure, reduce shaping and pressurize time, eliminate the internal stress of product, prevent that the product from warping.

The second temperature sensor 21 is arranged at the inner bottom of the fixed die 23, the second temperature sensor 21 is electrically connected with the water pump 19 through a lead, and the model of the first temperature sensor 6 and the model of the second temperature sensor 21 are OHR-A103C-02-X/X-A, so that the phenomenon that the temperature of the die cannot be known when the die starts to work and the processing efficiency is influenced is prevented.

The end of the first injection tube 11 away from the heating cavity 5 is provided with a nozzle 3 to increase the injection force.

The working principle is as follows: when a mechanical engineering casting injection molding mold is used, a piston end of a hydraulic cylinder 13 drives a movable mold 22 and a fixed mold 23 to be folded, after the folding, when a material enters a heating cavity 5 through a second injection pipe 4, a first temperature sensor 6 senses the temperature of the material passing through the heating cavity 5, when the temperature of the material is too low, the heating cavity 5 is controlled to start to operate, the material is heated for the second time, the heated material enters a cavity 10 through a nozzle 3 through a first injection pipe 11, when the temperature of the mold sensed by a second temperature sensor 21 exceeds a certain temperature, a water pump 19 is controlled to start to operate, cooling liquid in a cooling tank 18 simultaneously cools the movable mold 22 and the fixed mold 23 along a second hose 20, a first hose 9, a third hose 17 and a cooling pipe 8, the surface temperature of the movable mold 22 and the fixed mold 23 is reduced, so that the material is rapidly molded and cooled, after the material is molded and cooled, the piston end of the hydraulic, thereby driving the ejector rod 16 to retreat, after retreating to a certain distance, the ejector rod 16 starts demoulding when the ejector rod 16 receives the elasticity of the spring 12 in the spring cylinder 15 and the material blank adhesive force of the ejector rod 16 in the movable mould 22 are equal, and the ejector rod 16 resets through the spring 12 after demoulding.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a mechanical engineering foundry goods injection moulding mould, includes mount (1), its characterized in that: the movable injection mold is characterized in that a hydraulic cylinder (13) is fixedly connected to one side of the inner side wall of the fixing frame (1), a movable mold (22) is fixedly connected to the piston end of the hydraulic cylinder (13), a spring cylinder (15) is fixedly connected to one side of the inner side wall of the fixing frame (1), the spring cylinder (15) is symmetrically arranged on two sides of the hydraulic cylinder (13), springs (12) are arranged inside the spring cylinder (15), a baffle (14) is fixedly connected to one end, far away from the inner side wall of the fixing frame (1), of each spring cylinder (12), an ejector rod (16) is fixedly connected to one side, far away from the springs (12), of each baffle (14), the ejector rod (16) vertically penetrates through the outer surface of the movable mold (22) and extends to the other side, a fixed mold (23) is arranged on one side, far away from the hydraulic, the first injection pipe (11) vertically penetrates through the outer surface of the fixed die (23) and extends to the other side, one end, far away from the fixed die (23), of the first injection pipe (11) is fixedly connected with a heating cavity (5), the top of the heating cavity (5) is provided with a first temperature sensor (6), the first temperature sensor (6) is electrically connected with the heating cavity (5) through a lead, one side, far away from the first injection pipe (11), of the heating cavity (5) is fixedly connected with a second injection pipe (4), the second injection pipe (4) vertically penetrates through the inside of the fixed frame (1) and extends to the outer surface, a cavity (10) is formed in the combining surface of the movable die (22) and the fixed die (23), four limiting rods (2) are symmetrically arranged on the four corners of the movable die (22) and the fixed die (23), the two ends of the limiting rods (2) are fixed on the inner side wall of the fixed frame (1), and the limiting rods (2) are fixedly connected with, be sliding connection between gag lever post (2) and movable mould (22), the inside of movable mould (22) and cover half (23) all is equipped with cooling tube (8), and interior bottom one side of mount (1) is equipped with cooler bin (18), the inside of cooler bin (18) is equipped with water pump (19).

2. The mechanical engineering casting injection molding mold of claim 1, wherein: two the top of cooling tube (8) is connected with first hose (9), two jointly the bottom that cooling tube (8) are located cover half (23) is equipped with the bottom that the water inlet is located movable mould (22) and is equipped with the delivery port, water pump (19) fixedly connected with second hose (20), the one end of water pump (19) and the water inlet fixed connection of cooling tube (8) are kept away from in second hose (20), the external fixed surface of cooler bin (18) is connected with third hose (17), the one end of cooler bin (18) and the delivery port fixed connection of cooling tube (8) are kept away from in third hose (17).

3. The mechanical engineering casting injection molding mold of claim 1, wherein: the cooling tank (18) is filled with cooling liquid.

4. The mechanical engineering casting injection molding mold of claim 1, wherein: the surface one side of cover half (23) is equipped with blast pipe (7), and blast pipe (7) run through the surface of cover half (23) perpendicularly and extend to the opposite side, the inside that the one end of cover half (23) was kept away from in blast pipe (7) perpendicularly runs through mount (1) extends to the surface.

5. The mechanical engineering casting injection molding mold of claim 1, wherein: the inner bottom of the fixed die (23) is provided with a second temperature sensor (21), the second temperature sensor (21) is electrically connected with the water pump (19) through a lead, and the types of the first temperature sensor (6) and the second temperature sensor (21) are OHR-A103C-02-X/X-A.

6. The mechanical engineering casting injection molding mold of claim 1, wherein: and a nozzle (3) is arranged at one end of the first injection pipe (11) far away from the heating cavity (5).