CN219405230U - Injection mold for machining motor box - Google Patents

Abstract

The application provides an injection mold for processing a motor box, which comprises a fixed mold, a movable mold and a fixed frame plate, wherein first discharging channels are processed in the four corners of the fixed mold, air guide pipes are fixed at the top ends of the four corners of the fixed mold, air injection grooves and second discharging channels are processed in the four corners of the movable mold, flow dividing grooves and air collecting grooves are processed in the two sides of the movable mold, air injection ports are fixed at the tops of the two ends of the fixed frame plate, air outlets are processed in the two ends of the fixed frame plate, and metal plugs are arranged at one ends, close to the motor box, of the second discharging channels and the first discharging channels; the technical key points are as follows: the motor box is exposed in the air through separating the fixed die from the movable die, so that high-pressure air is fed into the movable die from the air collecting groove, the flow dividing groove and the second discharging channel, the motor box adhered to the bottom of the movable die is taken down, and the high-pressure air can be taken down from the air collecting groove, the flow dividing groove, the air injecting groove, the air guide pipe and the motor box adhered to the inner side of the fixed die when the first discharging channel enters the inner side of the fixed die.

Description

Injection mold for machining motor box

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold for machining a motor box.

Background

The die is widely used for products such as blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the like, and is mainly processed by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and the like. An injection mold is one type of mold that produces a target article in the form of injection molding. The injection mold has the advantages of high product production speed, high efficiency, automation in operation, multiple colors and varieties, simplified and complex shapes, large size and small size, accurate product size, easy updating of the product and capability of forming a product with complex shape. The motor case is used as a carrier for arranging various motor components, and can be molded in an injection mold in an injection molding mode.

The prior art patent document publication No. CN214266541U discloses an injection mold for processing a motor box, wherein a motor is controlled by a control switch group to start rotating positively, the motor drives a cam to start rotating anticlockwise, because the outer cambered surface of the cam is contacted with the outer cambered surface of a roller, pins arranged on the upper side and the lower side of the roller are rotationally connected with the inner wall of a U-shaped frame, a moving rod is transversely and slidingly connected with a guide hole at the top end of a fixed sleeve rod, so that under the anticlockwise rotation of the cam, the moving rod is driven to start moving leftwards in the guide hole of the fixed sleeve rod, further, a lug at the bottom end of a moving plate is driven to slide leftwards in a corresponding sliding groove, and meanwhile, the left side surface of the moving plate is fixedly connected with the right side surface of the moving plate through uniformly distributed springs, so that the lug at the bottom end of the moving plate is driven to slide leftwards in the corresponding sliding groove, the moving control of the moving mold is realized, and the mold body is opened and closed conveniently.

However, in the process of implementing the above technical solution, the following technical problems are found in the above technical solution:

the existing injection mold is characterized in that a motor box is formed between a movable mold and a fixed mold, the movable mold is controlled to move so as to achieve the purpose of facilitating discharging, but in the actual discharging process, the motor box after injection molding is adhered to the movable mold or the fixed mold, so that the motor box is inconvenient to separate from the movable mold and the fixed mold under any condition, and the motor box is troublesome to discharge.

Disclosure of Invention

In order to overcome the existing defects, the embodiment of the application provides an injection mold for processing a motor box, through connecting one end of an air injection port with an air source, when an electric push rod controls a brake mold to move to the top, a plug pipe is inserted into the air outlet, a rubber plug is inserted into the air injection groove, high-pressure air can be led to be fed into the movable mold from an air collecting groove, a flow dividing groove and a second discharging channel, the motor box adhered to the bottom of the movable mold is taken down, and the high-pressure air can be simultaneously taken down from the air collecting groove, the flow dividing groove, the air injection groove, an air duct and a first discharging channel when entering the inner side of the fixed mold, so that the motor box adhered to the inner side of the fixed mold is not limited to be discharged, the problem that the motor box adhered to the movable mold or the fixed mold after injection molding is completed in the actual discharging process of the existing injection mold is solved, and the motor box is separated from the movable mold and the fixed mold under any condition.

The technical scheme adopted by the embodiment of the application for solving the technical problems is as follows:

the injection mold comprises a fixed mold, a movable mold and a fixed frame plate, wherein first discharging channels are formed in four corners of the fixed mold, and air guide pipes are fixedly connected to the top ends of the four corners of the fixed mold;

the inside of four corners of the movable mould is provided with an air injection groove and a second discharging channel, the inside of two sides of the movable mould is provided with a diversion groove and an air collecting groove, and the air injection groove is positioned at the top of the second discharging channel;

the top of fixed frame plate both sides all assembled is connected with electric putter, electric putter's expansion end and the fixed connection in top of movable mould, the fixed gas injection mouth that is connected with in top at fixed frame plate both ends, the inside at fixed frame plate both ends all processes there is the gas outlet, the inside of gas outlet and gas injection mouth is linked together.

In one possible implementation manner, guide posts are fixedly connected to the top ends of four corners of the fixed die, and the top ends of four guide posts are fixedly connected to the bottom ends of the fixed frame plate.

In one possible implementation manner, the movable die is connected to the outer parts of the four guide posts in a sliding mode, a through groove is formed in the fixed frame plate, an injection molding opening is formed in the movable die center, and a motor box is formed between the movable die and the fixed die.

In one possible implementation manner, rubber plugs are fixedly connected to the bottom ends of the four corners of the fixing frame plate, and the rubber plugs are connected inside the air injection groove in a plug-in mode.

In one possible implementation manner, plug pipes are fixedly connected to the tops of two sides of the movable mould, the plug pipes are communicated with the inside of the gas collecting tank, and the plug Guan Chajie type is connected to the inside of the gas outlet.

In one possible implementation manner, the second discharging channel and the first discharging channel are provided with metal plugs at one ends close to the motor box, and the metal plugs are connected inside the fixed die and the movable die in a fastening mode.

In one possible implementation, a spring is fixedly connected to one side surface of the metal plug, and one end of the spring is fixedly connected with the fixed die or the movable die.

In one possible implementation manner, the first discharging channel, the air duct, the air injection groove and the shunt groove are communicated, and the air collecting groove, the shunt groove and the second discharging channel are communicated.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. one end of the air injection port is connected with an air source, when the electric push rod controls the brake die to move to the top, the plug pipe is inserted into the air outlet, the rubber plug is inserted into the air injection groove, high-pressure air can be sent into the movable die from the air collecting groove, the shunt groove and the second discharging channel, the motor box adhered to the bottom of the movable die is taken down, and when the high-pressure air simultaneously enters the inner side of the fixed die from the air collecting groove, the shunt groove, the air injection groove, the air guide pipe and the first discharging channel, the motor box adhered to the inner side of the fixed die can be taken down, discharging is not limited, and the fixed die is convenient;

2. through setting up the metal stopper in the one end that first was unloaded and was unloaded to the second, make the inside chamber wall of movable mould bottom level and smooth, the motor box of convenient shaping appearance leveling to utilize the spring to be connected metal stopper and cover half or movable mould, after high-pressure air makes the metal stopper break away from extension spring from the inside of first unloading and second unloading one end, can make high-pressure air promote the motor box removal with cover half or movable mould adhesion, after accomplishing the work of unloading of motor box, can make the metal stopper reset.

Drawings

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

fig. 2 is a schematic view of the structure of the fixing frame plate of the present utility model;

FIG. 3 is a schematic view showing the development structure of the movable mold and the fixed mold of the present utility model;

FIG. 4 is a cross-sectional view of a movable mold and a stationary mold of the present utility model;

fig. 5 is a schematic diagram of a connection structure of the metal plug and the fixed mold of the present utility model.

Description of the drawings: 1. an electric push rod; 2. a through groove; 3. fixing the frame plate; 4. a guide post; 5. a fixed mold; 6. an injection molding port; 7. a plug tube; 8. a movable mold; 9. an air injection groove; 10. an air duct; 11. an air injection port; 12. a rubber stopper; 13. an air outlet; 14. a motor box; 15. a gas collecting tank; 16. a shunt channel; 17. a first discharge channel; 18. a metal plug; 19. a spring; 20. and a second discharge channel.

Detailed Description

The technical scheme in the embodiment of the application aims to solve the problems of the background technology, and the overall thought is as follows:

example 1:

the embodiment introduces a concrete structure of an injection mold for machining a motor box, and specifically referring to fig. 1-5, the injection mold comprises a fixed mold 5, a movable mold 8 and a fixed frame plate 3, wherein first discharging passages 17 are machined in the four corners of the fixed mold 5, and air guide pipes 10 are fixedly connected to the top ends of the four corners of the fixed mold 5;

the inside of four corners of the movable mould 8 is provided with an air injection groove 9 and a second discharging channel 20, the inside of two sides of the movable mould 8 is provided with a diversion groove 16 and an air collecting groove 15, and the air injection groove 9 is positioned at the top of the second discharging channel 20;

the tops of two sides of the fixed frame plate 3 are all connected with the electric push rod 1 in an assembled mode, the movable end of the electric push rod 1 is fixedly connected with the top end of the movable die 8, the tops of two ends of the fixed frame plate 3 are fixedly connected with the air injection port 11, the inside of two ends of the fixed frame plate 3 is provided with the air outlet 13, and the air outlet 13 is communicated with the inside of the air injection port 11;

wherein, in order to make the fixed frame plate 3 erect two electric push rods 1 to control the brake die 8 to move up and down, and cooperate with the fixed die 5 to carry out the forming work of the motor box 14, the top ends of four corners of the fixed die 5 are fixedly connected with the guide posts 4, and the top ends of the four guide posts 4 are fixedly connected with the bottom end of the fixed frame plate 3;

secondly, in order to enable the movable die 8 to stably perform the molding work of the motor box 14 with the fixed die 5, the movable die 8 is connected outside the four guide posts 4 in a sliding manner;

meanwhile, in order to be able to inject hot melt plastic between the fixed die 5 and the movable die 8, a through groove 2 is processed in the fixed frame plate 3, and an injection port 6 is processed in the center of the movable die 8, after the fixed die 5 and the movable die 8 are clamped, the hot melt plastic can be injected between the fixed die 5 and the movable die 8 from the inside of the injection port 6, so as to form a motor box 14;

in order to communicate the first discharging channel 17, the air duct 10, the air injection groove 9 and the shunt groove 16, high-pressure air in the shunt groove 16 can be sent into the inner side of the fixed die 5, rubber plugs 12 are fixedly connected to the bottom ends of the four corners of the fixed frame plate 3, the rubber plugs 12 are connected in a plug-in mode in the air injection groove 9, one end of the air injection groove 9 is sealed, and air in the air injection groove 9 can enter the first discharging channel 17 from the air duct 10;

meanwhile, in order to connect one end of the gas injection port 11 with the gas source after the insides of the gas collecting tank 15, the shunt tank 16 and the second discharging channel 20 are communicated with each other, air is fed into the inside of the gas collecting tank 15 from the gas injection port 11, the plug pipes 7 are fixedly connected to the tops of the two sides of the movable mold 8, the plug pipes 7 are communicated with the inside of the gas collecting tank 15, the plug pipes 7 are connected to the inside of the gas outlet 13 in a plug-in manner, and the gas collecting tank 15 is connected with the gas outlet 13.

By adopting the technical scheme:

according to the design, after the motor box 14 is molded between the fixed die 5 and the movable die 8 from the injection port 6, the motor box 8 is controlled to move to the top by utilizing the two electric push rods 1 to control the brake die 8 to move under the guidance of the four guide posts 4, when the top end of the movable die 8 is close to the bottom end of the fixed frame plate 3, the rubber plug 12 is inserted into the air injection groove 9 to seal the top of the air injection groove 9, the plug pipe 7 is inserted into the air outlet 13 to connect the air collection groove 15 with the air outlet 13, after one end of the air injection port 11 is connected with an air source, high-pressure air can be sent into the movable die 8 from the air collection groove 15, the shunt groove 16 and the second discharge channel 20, the motor box 14 adhered to the bottom of the movable die 8 is taken down, and the motor box 14 adhered to the inner side of the fixed die 5 can be taken down from the air collection groove 15, the shunt groove 16, the air injection groove 9, the air guide pipe 10 and the first discharge channel 17 when the air guide 17 enters the inner side of the fixed die 5, so that the motor box 14 adhered to the inner side of the fixed die 5 is not limited, and the unloading is convenient.

Example 2:

based on embodiment 1, the specific structures of the fixed die 5 and the movable die 8 are described, and a metal plug 18 is arranged at one end of the second discharging channel 20 and the first discharging channel 17, which is close to the motor box 14;

in order to form the motor box 14 with smooth appearance between the fixed die 5 and the movable die 8, the metal plug 18 is connected inside the fixed die 5 and the movable die 8 in a buckling manner, one ends of the second discharging channel 20 and the first discharging channel 17 are filled, and the surface of the bottom of the movable die 8 and the surface of the inner cavity of the fixed die 5 are smooth;

next, in order to allow high-pressure air to enter between the fixed mold 5 and the movable mold 8, the motor case 14 is separated from the fixed mold 5 or the movable mold 8, the metal plug 18 is allowed to return, a spring 19 is fixedly connected to one side surface of the metal plug 18, and one end of the spring 19 is fixedly connected to the fixed mold 5 or the movable mold 8.

The specific operation steps are as follows:

s1, controlling a brake die 8 and a fixed die 5 to be matched with each other by two electric push rods 1, and injecting and forming a motor box 14 from an injection port 6 to a position between the fixed die 5 and the movable die 8;

s2, the electric push rod 1 controls the brake die 8 to be separated from the fixed die 5, so that the rubber plug 12 is inserted into the gas injection groove 9 to seal the top of the gas injection groove 9, the plug tube 7 is inserted into the gas outlet 13, and the gas collecting groove 15 is communicated with the gas outlet 13;

s3, high-pressure air is fed into the movable mould 8 from the air collecting groove 15, the flow dividing groove 16 and the second discharging channel 20, and enters the inner side of the fixed mould 5 from the air collecting groove 15, the flow dividing groove 16, the air injection groove 9, the air guide pipe 10 and the first discharging channel 17, so that the metal plug 18 is separated from the inner side of one end of the first discharging channel 17 and one end of the second discharging channel 20, and the spring 19 is stretched.

By adopting the technical scheme:

according to the design, the metal plugs 18 are arranged at one ends of the first discharging channel 17 and the second discharging channel 20, the metal plugs 18 are connected with the fixed die 5 or the movable die 8 through the springs 19, when high-pressure air enables the metal plugs 18 to separate from the tension springs 19 from the inside of one ends of the first discharging channel 17 and the second discharging channel 20, the high-pressure air can push the motor box 14 adhered with the fixed die 5 or the movable die 8 to move, after the discharging work of the motor box 14 is completed, the metal plugs 18 can be reset, the surface of the bottom of the movable die 8 and the cavity wall inside the fixed die 5 are guaranteed to be flat, and the motor box 14 with a flat appearance can be conveniently formed.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (8)

1. An injection mold for machining a motor box, comprising:

the fixed die (5), the inside of four corners of the fixed die (5) is provided with a first discharging channel (17), and the top ends of the four corners of the fixed die (5) are fixedly connected with an air duct (10);

the movable die (8), the inside of four corners of the movable die (8) is processed with an air injection groove (9) and a second discharging channel (20), the inside of two sides of the movable die (8) is processed with a shunt groove (16) and an air collecting groove (15), and the air injection groove (9) is positioned at the top of the second discharging channel (20); and

the automatic air injection device comprises a fixed frame plate (3), wherein the tops of two sides of the fixed frame plate (3) are all connected with an electric push rod (1) in an assembled mode, the movable end of the electric push rod (1) is fixedly connected with the top of a movable die (8), the tops of two ends of the fixed frame plate (3) are fixedly connected with an air injection port (11), air outlets (13) are formed in the bottoms of two ends of the fixed frame plate (3), and the air outlets (13) are communicated with the bottoms of the air injection ports (11).

2. An injection mold for machining a motor case according to claim 1, wherein: guide posts (4) are fixedly connected to the top ends of four corners of the fixed die (5), and the top ends of the four guide posts (4) are fixedly connected with the bottom end of the fixed frame plate (3).

3. An injection mold for machining a motor case according to claim 2, wherein: the movable die (8) is connected to the outer parts of the four guide posts (4) in a sliding mode, a through groove (2) is formed in the fixed frame plate (3), an injection molding opening (6) is formed in the center of the movable die (8), and a motor box (14) is formed between the movable die (8) and the fixed die (5).

4. An injection mold for machining a motor case according to claim 1, wherein: the bottom of four corners of the fixing frame plate (3) is fixedly connected with a rubber plug (12), and the rubber plug (12) is connected in the air injection groove (9) in a plug-in mode.

5. An injection mold for machining a motor case according to claim 1, wherein: the top of movable mould (8) both sides is fixed to be connected with stopper pipe (7), stopper pipe (7) are linked together with the inside of gas collecting channel (15), the inside at gas outlet (13) is pegged graft to stopper pipe (7).

6. An injection mold for machining a motor case according to claim 3, wherein: one end of the second discharging channel (20) and one end of the first discharging channel (17) close to the motor box (14) are provided with metal plugs (18), and the metal plugs (18) are connected inside the fixed die (5) and the movable die (8) in a buckling mode.

7. An injection mold for machining a motor case as defined in claim 6, wherein: a spring (19) is fixedly connected to one side surface of the metal plug (18), and one end of the spring (19) is fixedly connected with the fixed die (5) or the movable die (8).

8. An injection mold for machining a motor case according to claim 1, wherein: the first discharging channel (17), the air duct (10), the air injection groove (9) and the shunt groove (16) are communicated, and the air collecting groove (15), the shunt groove (16) and the second discharging channel (20) are communicated.