CN115847744A - Assembled mould is used in plastics panel production convenient to die sinking - Google Patents

Abstract

The invention relates to the field of plastic plate production molds, in particular to an assembled mold for plastic plate production, which is convenient for mold opening and comprises an injection molding machine body, wherein the top of the injection molding machine body is fixedly connected with an injection molding machine support, and the right side of the inner wall of the injection molding machine support is fixedly connected with a fixed mold matched with the injection molding machine body. This assembled mould is used in plastic board production convenient to die sinking comprises positioning mechanism, liftout mechanism and cooling body, the movable mould removes to the left side when the die sinking, because movable mounting's connecting rod area piston plate on the cover half is motionless, the inside gas of movable mould air chamber supports to press at the piston plate and goes into the movable groove inside this moment, make the inside atmospheric pressure of movable groove increase and promote T type top cover ejecting with the injection molding on the movable mould, move along with T type top cover right, make T type sealing rod relieve the sealed of T type top cover, gas blows off from T type top cover middle part at this moment and blows off the injection molding from the mould, be convenient for take off the membrane fast after the die sinking.

Description

An assembled mold for plastic plate production that is easy to open

technical field

The invention relates to the field of plastic plate production molds, in particular to an assembled mold for plastic plate production which is convenient for mold opening.

Background technique

Plastic molds are tools that are matched with plastic molding machines in the plastic processing industry to give plastic products a complete configuration and precise dimensions. During the production of plastic sheets, the movable and fixed molds of the mold are usually assembled and installed on the injection molding machine. After injection molding by the injection molding machine, the mold is opened to take out the molded injection molded parts.

The existing patent (notification number: CN112976498A) discloses an injection mold for interior decoration environmental protection plastic panels, including a first mold and a second mold, one side of the first mold is provided with a second mold, and one side of the first mold is Fixed connection with installation box. In the process of implementing this solution, the inventor found that the following problems in the prior art have not been well resolved: 1. In the mold opening process of some existing plastic plate injection molds, the injection molded parts are only pushed from the inside of the mold by the ejector pin on the mold. Ejection, at this time, the ejector rod is easily bonded to the surface of the injection molded part and difficult to fall off automatically, requiring the staff to separate it manually or through tools, and the operation is not convenient; 2. At the same time, some existing injection molds for plastic plate production are in the process , the molded injection molded parts are cooled through the water channel inside the mold. Since the flow rate of the cooling water flowing inside the water channel is fixed and the water channel path is generally long, the cooling effect of the rear section of the water channel is affected as the cooling water gradually heats up during the flow process. It is easy to affect the molding quality of injection molded parts after mold opening.

Contents of the invention

The purpose of the present invention is to provide an assembled mold for plastic plate production that is easy to open, so as to solve the problems raised in the above-mentioned background technology: 1. In the process of mold opening, some existing plastic plate injection molds are likely to cause ejector pins and injection molds. 2. It is difficult for some existing plastic plate injection molds to increase the cooling water flow rate during the mold opening process to improve the cooling effect of injection molded parts. In order to achieve the above object, the present invention provides the following technical solutions: an assembled mold for plastic plate production that is convenient for mold opening, including an injection molding machine body, the top of the injection molding machine body is fixedly connected with an injection molding machine bracket, and the injection molding machine bracket The right side of the inner wall is fixedly connected with a fixed mold matched with the injection molding machine body, the right side of the inner wall of the injection molding machine bracket is fixedly connected with a movable mold, and the right side of the movable mold is provided with a molding cavity;

The middle parts of the fixed mold and the front and rear sides of the movable mold are movably connected with a positioning mechanism, and an air chamber is provided inside the movable mold, and a piston plate is slidably connected to the inside of the air chamber, and the right side of the piston plate is symmetrical A connecting rod is fixedly connected, and one end of the two connecting rods runs through the movable mold and is respectively movably connected with the two positioning mechanisms;

The right side of the inner wall of the gas chamber is movably connected with a material ejecting mechanism matched with the forming cavity, and the right side of the inner wall of the gas chamber is fixedly connected with a one-way air valve;

The lower part of the injection molding machine body is fixedly connected with a water tank, the middle position of the top of the water tank is fixedly connected with a water delivery pump, the output end of the water delivery pump is fixedly connected with a water delivery pipe, and the left side of the top of the water tank is fixedly connected with a Y-shaped drainage pipe, the front side of the moving mold is movably connected with a cooling mechanism that matches the air chamber, one end of the cooling mechanism is fixedly connected to the water delivery pipe, and the other end of the cooling mechanism is fixedly connected to the Y-shaped drainage pipe , a drain pipe is fixedly connected between the inside of the air chamber and one end of the Y-shaped drain pipe.

Preferably, the positioning mechanism includes a stud, the stud is set to two, and the two studs are fixedly connected to both sides of the middle of the fixed mold;

The two sides of the middle part of the movable mold are symmetrically fixedly connected with a guide sleeve, and the inside of the guide sleeve is slidably connected with a guide rod, and one end of the guide rod is movably connected with a tapered screw sleeve, and the two tapered screw sleeves are respectively Threaded connection with two studs;

The middle part of both sides of the fixed mold is provided with an L-shaped guide groove, the inside of the L-shaped guide groove is slidably connected with a guide plate, and one end of the guide plate is rotatably connected with a roller, and the side wall of the roller is connected to the adjacent The side walls of the tapered screw sleeve are overlapped, and the other end of the guide plate is provided with a U-shaped slot;

The right ends of the two connecting rods are movably plugged into the two L-shaped guide grooves, the outer wall of the connecting rods is provided with a ring groove, and the other end of the guide plate is connected to the corresponding L-shaped guide groove through the U-shaped groove. Adjacent to the interior of the annular groove.

Preferably, a chute is provided on the inner wall of the L-shaped guide groove, sliders are fixedly connected to both sides of the guide plate, and a return spring is fixedly connected between the side wall of the slider and the inner wall of the chute.

Preferably, a connecting bearing is fixedly connected to the side of the tapered threaded sleeve away from the stud, and the inner ring of the connecting bearing is fixedly connected to the outer wall of the adjacent guide rod.

Preferably, the material ejecting mechanism includes two movable grooves, the two movable grooves are arranged symmetrically on the right side of the inner wall of the gas chamber, and the inner wall of the movable groove is provided with an adjusting groove, the The inside of the adjusting groove is slidingly connected with a T-shaped top sleeve, and an extruding spring is movably connected between the side wall of the T-shaped top sleeve and the inner wall of the adjusting groove, and the right end of the T-shaped top sleeve extends to the inside of the molding cavity;

An air deflector is fixedly connected to the inner wall of the movable groove, and a T-shaped sealing rod is fixedly connected to the right side of the air deflector, and one end of the T-shaped sealing rod is movably inserted into the inside of the T-shaped top sleeve.

Preferably, the distance from the left side of the inner wall of the adjustment groove to the left side of the T-shaped top sleeve and the right side of the T-shaped top sleeve to the inner wall of the molding cavity is the same, and the right side of the T-shaped sealing rod is connected to the inner wall of the molding cavity. flush setting.

Preferably, the cross section of the air deflector is triangular, the two sides of the air deflector are respectively fixedly connected to the two sides of the inner wall of the movable groove, and the left side of the movable groove is tapered.

Preferably, the cooling mechanism includes a Y-shaped water distribution head, the Y-shaped water distribution head is fixedly connected to the middle position of the front end of the movable mold, the middle part of the Y-shaped water distribution head is fixedly connected to the top of the water delivery pipe, and the Y-shaped water distribution head Both sides of the water head are fixedly connected with cooling water pipes, and the two cooling water pipes are symmetrically and fixedly connected inside the movable mold. The top of the drainage pipe is fixedly connected, and an air induction pipe is fixedly connected between the side wall of the drainage sleeve and the air chamber.

Preferably, a one-way water valve is fixedly connected to the top of the Y-shaped drain pipe and one end of the cooling water pipe.

Preferably, positioning pins are fixedly connected around the left side of the fixed mold, and positioning holes matching the four positioning pins are respectively opened around the right side of the movable mold.

Compared with prior art, the beneficial effect of the present invention:

In the present invention, through the cooperative use of connecting rods, air chambers, T-shaped top sleeves and other components, when the mold is opened, the movable mold moves to the left. The gas in the air chamber of the movable mold is discharged into the movable groove under the pressure of the piston plate, which increases the air pressure in the movable groove and pushes the T-shaped top sleeve to eject the injection molded parts on the movable mold. Move, so that the T-shaped sealing rod releases the seal on the T-shaped top sleeve. At this time, the gas is blown out from the middle of the T-shaped top sleeve to blow the injection molded part from the mold, which is convenient for quick release after the mold is opened, and prevents the injection molded part from sticking to the mold. The mold pushes the part onto it.

In the present invention, through the cooperative use of components such as cooling water pipes, drainage jackets, and air chambers, when the piston plate moves to the right, negative pressure is formed on the left side of the air chamber, so that the air-inducing pipe inside the air chamber can extract the interior of the drainage jacket. At this time, the circulating cooling water inside the drainage jacket flows rapidly under the action of negative pressure, which increases the flow rate of the cooling water in the cooling water pipe, improves the cooling effect of the injection molded part during the mold opening process, and improves the molding quality of the injection molded part.

In the present invention, through the cooperative use of components such as guide sleeves, guide plates, and tapered screw sleeves, when the plastic plate mold is opened, the movable mold and the fixed mold are slid by the guide sleeve and the guide rod, thereby improving the movement of the movable mold and the fixed mold. The precision in the mold clamping process of the first use can avoid the vibration during the use of the equipment and affect the mold clamping accuracy, and after the conical screw sleeve is rotated to release the connection with the stud, the guide plate resets to release the limit on the connecting rod, and the guide rod and The fixed mold is separated to facilitate the disassembly of the assembled mold.

Description of drawings

Fig. 1 is the front view of structure of the present invention;

Fig. 2 is the top sectional view of the position of the movable mold and the air chamber of the present invention;

Fig. 3 is the enlarged view of the structure at A place in Fig. 2 of the present invention;

Fig. 4 is the enlarged view of structure at B place among Fig. 2 of the present invention;

Fig. 5 is the right sectional view of the position of the movable mold and the cooling water pipe of the present invention;

Fig. 6 is the perspective view of guide plate among the present invention;

Fig. 7 is a top sectional view of the position of the drainage sleeve in the present invention;

Fig. 8 is a perspective view of a T-shaped top sleeve in the present invention.

In the figure: 1. Injection molding machine body; 2. Injection molding machine bracket; 3. Fixed mold; 4. Moving mold; 5. Molding cavity; 6. Positioning mechanism; 601, stud; 602, guide sleeve; 604, tapered screw sleeve; 605, L-shaped guide groove; 606, guide plate; 607, roller; 608, U-shaped card groove; 609, ring groove; 7, air chamber; 8, piston plate; 9, connecting rod; 10 1001, movable groove; 1002, adjusting groove; 1003, T-shaped top sleeve; 1004, extrusion spring; 1005, wind deflector; 1006, T-shaped sealing rod; 11, one-way air valve; 12, Water tank; 13. Water delivery pump; 14. Water delivery pipe; 15. Y-shaped drainage pipe; 16. Cooling mechanism; 1601. Y-shaped water diversion head; 1602. Cooling water pipe; 1603. Drainage sleeve; .

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to Fig. 1 to Fig. 8, the present invention provides a technical solution: an assembled mold for plastic plate production that is convenient for mold opening, including an injection molding machine body 1, and the top of the injection molding machine body 1 is fixedly connected with an injection molding machine bracket 2, The right side of the inner wall of the injection molding machine support 2 is fixedly connected with a fixed mold 3 matched with the injection molding machine body 1, and the right side of the inner wall of the injection molding machine support 2 is fixedly connected with a movable mold 4, and the right side of the movable mold 4 is provided with a molding cavity 5. It should be noted that the centers of the fixed mold 3 and the movable mold 4 are on the same axis, and the opposite sides of the fixed mold 3 and the movable mold 4 are fixedly connected with a backing plate, and the backing plate on the fixed mold 3 and the injection molding machine body 1, the backing plate on the movable mold 4 is connected to the stripping telescopic cylinder of the injection molding machine body 1, and the inner bottom surface of the injection molding machine support 2 is provided with a rubber pad, which facilitates the plastic plate after stripping to fall on the rubber pad. To avoid bumping, the fixed mold 3 is also provided with a molding cavity corresponding to the movable mold 4 .

The middle parts of the fixed mold 3 and the front and rear sides of the movable mold 4 are movably connected with a positioning mechanism 6, and the inside of the movable mold 4 is provided with an air chamber 7, and the inside of the air chamber 7 is slidingly connected with a piston plate 8, and the right side of the piston plate 8 is symmetrical Connecting rods 9 are fixedly connected, and one end of the two connecting rods 9 runs through the movable mold 4 and is respectively movably connected with the two positioning mechanisms 6 . It should be noted that the cross sections of the air chamber 7 and the piston plate 8 are both circular, which can effectively ensure the sealing performance of the piston plate 8 in the air chamber 7 during use.

The right side of the inner wall of the air chamber 7 is movably connected with a material ejecting mechanism 10 matched with the molding cavity 5 , and the right side of the inner wall of the air chamber 7 is fixedly connected with a one-way air valve 11 . It should be noted that: when the piston plate 8 moves to the left side of the air chamber 7 , the one-way air valve 11 is opened to inflate the interior of the air chamber 7 .

The lower part of the injection molding machine body 1 is fixedly connected with a water tank 12, the middle position of the top of the water tank 12 is fixedly connected with a water delivery pump 13, the output end of the water delivery pump 13 is fixedly connected with a water delivery pipe 14, and the left side of the top of the water tank 12 is fixedly connected with a Y-shaped The drain pipe 15, the front side of the movable mold 4 is movably connected with the cooling mechanism 16 matched with the air chamber 7, one end of the cooling mechanism 16 is fixedly connected with the water delivery pipe 14, and the other end of the cooling mechanism 16 is fixedly connected with the Y-shaped drain pipe 15 A drain pipe 17 is fixedly connected between the inside of the air chamber 7 and one end of the Y-shaped drain pipe 15 . It should be noted that: and the inside of the drain pipe 17 is provided with a one-way valve, when the piston plate 8 moves to the left side of the air chamber 7, the water drawn from the left side of the air chamber 7 flows into the inside of the Y-shaped drain pipe 15 from the drain pipe 17 , and the one-way valve is closed when the piston plate 8 moves to the right, so as to prevent the water inside the Y-shaped drain pipe 15 from flowing back into the air intake chamber 7 .

In this embodiment, as shown in Fig. 1, Fig. 2, Fig. 3, Fig. 5 and Fig. 6, the positioning mechanism 6 includes a stud 601, and the stud 601 is set as two, and the two studs 601 are fixedly connected to each other in a fixed position. Both sides of the middle part of mold 3.

Both sides of the middle part of the movable mold 4 are symmetrically fixedly connected with a guide sleeve 602, and the inside of the guide sleeve 602 is slidably connected with a guide rod 603, and one end of the guide rod 603 is movably connected with a tapered screw sleeve 604, and the two tapered screw sleeves 604 are respectively connected with Two studs 601 are threaded.

The middle part of both sides of the fixed mold 3 is provided with an L-shaped guide groove 605, the inside of the L-shaped guide groove 605 is slidably connected with a guide plate 606, and one end of the guide plate 606 is rotatably connected with a roller 607, and the side wall of the roller 607 is in contact with the adjacent tapered The side walls of the screw sleeve 604 are overlapped, and the other end of the guide plate 606 is provided with a U-shaped slot 608 .

The right ends of the two connecting rods 9 are movably inserted into the insides of the two L-shaped guide grooves 605 respectively, and the outer wall of the connecting rods 9 is provided with a ring groove 609, and the other end of the guide plate 606 is clamped in the adjacent ring through the U-shaped groove 608. The inside of the groove 609. It should be noted that after the conical screw sleeve 604 is connected with the stud 601, the tapered surface of the conical screw sleeve 604 can be pressed against the surface of the roller 607, and the guide plate 606 is pressed against the inside of the L-shaped guide groove 605. The U-shaped slot 608 on the guide plate 606 can be stuck inside the ring groove 609 on the connecting rod 9 to limit the connecting rod 9. When the mold is opened, the connecting rod 9 can move inside the air chamber 7 with the piston plate 8; and Rotate the conical threaded sleeve 604 and the threaded stud 601 to release the connection state between the connecting rod 9 and the guide plate 606, which facilitates the disassembly and separation of the fixed mold 3 and the movable mold 4.

In this embodiment, as shown in Figure 3 and Figure 6, the inner wall of the L-shaped guide groove 605 is provided with a chute, and both sides of the guide plate 606 are fixedly connected with sliders, between the side wall of the slider and the inner wall of the chute. The fixed connection has a return spring. It should be noted that a slide bar is fixedly connected between the two sides of the inner wall of the chute, the slide block is slidably connected on the slide bar, and the stability of the movement of the guide plate 606 is improved by setting the slide bar. When the tapered screw sleeve 604 and the stud 601 After the threaded connection is removed, the return spring carries the guide plate 606 for return movement.

In this embodiment, as shown in FIG. 2 and FIG. 3 , a connecting bearing is fixedly connected to the side of the tapered threaded sleeve 604 away from the stud 601 , and the inner ring of the connecting bearing is fixedly connected to the outer wall of the adjacent guide rod 603 . It should be noted that: the conical threaded sleeve 604 does not rotate synchronously with the guide rod 603 through the arrangement of the connecting bearing, which improves the convenience of the threaded connection between the tapered threaded sleeve 604 and the stud 601 .

In this embodiment, as shown in Fig. 2, Fig. 4 and Fig. 8, the ejecting mechanism 10 includes movable grooves 1001, and the movable grooves 1001 are set as two, and the two movable grooves 1001 are symmetrically opened on the right side of the inner wall of the air chamber 7, The inner wall of the movable groove 1001 is provided with an adjusting groove 1002, and the inside of the adjusting groove 1002 is slidingly connected with a T-shaped top sleeve 1003, and the side wall of the T-shaped top sleeve 1003 and the inner wall of the adjusting groove 1002 are movably connected with an extrusion spring 1004, T The right end of the top sleeve 1003 extends to the inside of the molding cavity 5 .

The inner wall of the movable groove 1001 is fixedly connected with an air deflector 1005 , and the right side of the air deflector 1005 is fixedly connected with a T-shaped sealing rod 1006 , and one end of the T-shaped sealing rod 1006 is movably inserted into the inside of the T-shaped top sleeve 1003 . It should be noted that: the inner wall of the T-shaped top sleeve 1003 is set as a conical surface, and the right end of the T-shaped sealing rod 1006 is set as a conical shape matched with the T-shaped top sleeve 1003, further improving the T-shaped top sleeve 1003 and the T-shaped sealing rod. 1006 tightness after fit.

In this embodiment, as shown in Figure 2 and Figure 4, the distance between the left side of the inner wall of the adjustment groove 1002 to the left side of the T-shaped top sleeve 1003 and the right side of the T-shaped top sleeve 1003 to the inner wall of the molding cavity 5 is the same, T The right side of the type sealing rod 1006 is flush with the inner wall of the molding cavity 5 . It should be noted that: when the T-shaped top sleeve 1003 moves to the left to the limit position, the right side of the T-shaped top sleeve 1003, the right side of the T-shaped sealing rod 1006 and the inner wall of the molding cavity 5 are in a line, and pass through the T The sealing rod 1006 seals the middle part of the T-shaped top sleeve 1003 to prevent the melt injection molding liquid from entering the inside of the T-shaped top sleeve 1003 .

In this embodiment, as shown in Figure 2 and Figure 4, the cross section of the wind deflector 1005 is set as a triangle, the two sides of the wind deflector 1005 are respectively fixedly connected to the two sides of the inner wall of the movable groove 1001, and the left side of the movable groove 1001 is set is tapered. It should be noted that the tapered active groove 1001 is convenient for guiding and transporting the airflow generated during the movement of the piston plate 8 .

In the present embodiment, as shown in Fig. 1, Fig. 2, Fig. 5 and Fig. 7, the cooling mechanism 16 includes a Y-shaped water-distributing head 1601, which is fixedly connected to the middle position of the front end of the movable mold 4, and the Y-shaped water-distributing head The middle part of 1601 is fixedly connected with the top of water delivery pipe 14, and both sides of Y-shaped water distribution head 1601 are fixedly connected with cooling water pipes 1602. The mold 4 is fixedly connected with a drainage sleeve 1603, the front end of the drainage sleeve 1603 is fixedly connected with the top of the Y-shaped drain pipe 15, and the side wall of the drainage sleeve 1603 and the air chamber 7 are fixedly connected with an air-inducing pipe 1604. It should be noted that: the front end of the movable mold 4 is fixedly connected with a support block, and the Y-shaped water distribution head 1601 is fixedly connected with the support block. into two cooling water pipes 1602, and the cooling water pipes 1602 are arranged between the air chamber 7 and the molding cavity 5 to cool the injection molded parts inside the molding cavity 5.

In this embodiment, as shown in FIG. 7 , a one-way water valve is fixedly connected to the top of the Y-shaped drain pipe 15 and one end of the cooling water pipe 1602 . It should be noted that the cooling water can only flow from the cooling water pipe 1602 into the drain jacket 1603 and then into the Y-shaped drain pipe 15 to prevent the cooling water from flowing back and affecting the cooling effect.

In this embodiment, as shown in FIGS. 1 and 2 , positioning pins are fixedly connected around the left side of the fixed mold 3 , and positioning holes matching the four positioning pins are respectively opened around the right side of the movable mold 4 . It should be noted that the plastic plate production mold is an assembled mold formed by fixed mold 3, movable mold 4, backing plate, positioning pin, guide rod 603, guide sleeve 602 and other components.

Use method and advantage of the present invention: this a kind of assembly type mold for the production of plastic sheet material that is convenient to mold opening, working process is as follows:

As shown in Figures 1 to 8, when using the plastic plate material assembled mold, firstly, the movable mold 4 and the fixed mold 3 are fixedly connected to the two sides inside the injection molding machine bracket 2, and the movable mold 4 is moved to the direction of the fixed mold 3 , so that the connecting rod 9 on the movable mold 4 is inserted into the L-shaped guide groove 605 of the fixed mold 3, and at this time, the tapered screw sleeve 604 on the guide rod 603 is screwed to the corresponding stud 601, and the tapered The slope of the side wall of the screw sleeve 604 presses against the side wall of the roller 607 on the guide plate 606, so that the guide plate 606 slides toward the inside of the L-shaped guide groove 605, and then the U-shaped slot 608 on the guide plate 606 is stuck in the ring provided on the corresponding connecting rod 9. Inside the groove 609, the right end of the connecting rod 9 is locked inside the fixed mold 3. With the cooperation of the guide rod 603 and the guide sleeve 602, the movable mold 4 and the fixed mold 3 can be accurately positioned during the mold opening and closing process. ;

Then start the stripping telescopic cylinder on the injection molding machine body 1 to move the movable mold 4 and close the fixed mold 3, and then use the injection molding screw to inject the inside of the assembled mold. After the injection molding is completed, start the water delivery pump 13 to transfer the cooling water Transfer to the water pipe 14 to the inside of the Y-shaped water distribution head 1601, and the two cooling water pipes 1602 respectively transfer the cooling water to the inside of the two drainage jackets 1603, and finally flow back from the Y-shaped drain pipe 15 to the inside of the water tank 12 to circulate the mold. After the mold is opened, when the movable mold 4 moves to the left, the piston plate 8 moves to the right relative to the air chamber 7 in the movable mold 4 under the support of the connecting rod 9, and the left side of the air chamber 7 forms a negative pressure, so that the left side of the air chamber 7 draws the cooling water inside the drainage jacket 1603 through the air-inducing pipe 1604. At this time, the water flow speed inside the cooling water pipe 1602 is rapidly increased, so that the fast-flowing cooling liquid can cool the injection molded parts on the movable mold 4;

Simultaneously, because the space on the right side of the air chamber 7 gradually becomes smaller, the air pressure on the right side of the air chamber 7 increases, and the high air pressure moves to the inside of the movable groove 1001 and presses against the T-shaped top sleeve 1003 to eject the injection molded part from the inside of the molding cavity 5. After the top cover 1003 moves to the right, the sealing state with the T-shaped sealing rod 1006 is released, so that the airflow inside the movable groove 1001 is blown out, and the injection molded parts adhered to the T-shaped top cover 1003 are blown down to the rubber inside the injection molding machine bracket 2. Pad, to avoid the situation where the injection molded parts adhere to the T-shaped top sleeve 1003;

Finally, the movable mold 4 is moved to the fixed mold 3 to close the mold, and the next injection molding process is performed. During the mold closing process of the movable mold 4 and the fixed mold 3, the one-way air valve 11 inside the air chamber 7 is opened to the right of the air chamber 7. The side is inflated, and the cooling water on the left side of the air chamber 7 is discharged into the inside of the Y-shaped drain pipe 15 by the drain pipe 17 under the extrusion of the piston plate 8 .

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and those described in the above-mentioned embodiments and description are only preferred examples of the present invention, and are not intended to limit the present invention, without departing from the spirit and scope of the present invention. Under the premise, the present invention will also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides an assembled mould is used in plastic sheet production convenient to die sinking, includes injection molding machine body (1), its characterized in that: the injection molding machine is characterized in that an injection molding machine support (2) is fixedly connected to the top of the injection molding machine body (1), a fixed die (3) matched with the injection molding machine body (1) is fixedly connected to the right side of the inner wall of the injection molding machine support (2), a movable die (4) is fixedly connected to the right side of the inner wall of the injection molding machine support (2), and a forming cavity (5) is formed in the right side of the movable die (4);

the middle parts of the front side and the rear side of the fixed die (3) and the movable die (4) are movably connected with positioning mechanisms (6), an air chamber (7) is formed in the movable die (4), a piston plate (8) is connected in the air chamber (7) in a sliding manner, connecting rods (9) are symmetrically and fixedly connected to the right side of the piston plate (8), and one ends of the two connecting rods (9) penetrate through the movable die (4) and are respectively movably connected with the two positioning mechanisms (6);

the right side of the inner wall of the air chamber (7) is movably connected with a material ejecting mechanism (10) matched with the forming cavity (5), and the right side of the inner wall of the air chamber (7) is fixedly connected with a one-way air valve (11);

the injection molding machine is characterized in that a water tank (12) is fixedly connected to the lower portion of the injection molding machine body (1), a water delivery pump (13) is fixedly connected to the middle of the top of the water tank (12), a water delivery pipe (14) is fixedly connected to the output end of the water delivery pump (13), a Y-shaped drain pipe (15) is fixedly connected to the left side of the top of the water tank (12), a cooling mechanism (16) matched with the air chamber (7) is movably connected to the front side of the movable mold (4), one end of the cooling mechanism (16) is fixedly connected with the water delivery pipe (14), the other end of the cooling mechanism (16) is fixedly connected with the Y-shaped drain pipe (15), and a drain pipe (17) is fixedly connected between the inside of the air chamber (7) and one end of the Y-shaped drain pipe (15).

2. The assembled mold for producing plastic plates convenient for mold opening as claimed in claim 1, wherein: the positioning mechanism (6) comprises two studs (601), and the two studs (601) are oppositely and fixedly connected to two sides of the middle part of the fixed die (3);

guide sleeves (602) are symmetrically and fixedly connected to two sides of the middle of the movable mold (4), a guide rod (603) is connected to the inner part of the guide sleeve (602) in a sliding manner, one end of the guide rod (603) is movably connected with a conical threaded sleeve (604), and the two conical threaded sleeves (604) are respectively in threaded connection with the two studs (601);

the middle parts of two sides of the fixed die (3) are respectively provided with an L-shaped guide groove (605), the interior of each L-shaped guide groove (605) is connected with a guide plate (606) in a sliding manner, one end of each guide plate (606) is rotatably connected with a roller (607), the side wall of each roller (607) is lapped with the side wall of the adjacent conical thread sleeve (604), and the other end of each guide plate (606) is provided with a U-shaped clamping groove (608);

two the right-hand member of connecting rod (9) is activity grafting respectively two the inside of L type guide slot (605), annular (609) have been seted up to the outer wall of connecting rod (9), the other end of baffle (606) passes through U type draw-in groove (608) joint and is adjacent the inside of annular (609).

3. The assembled mold for producing plastic plates convenient for mold opening as claimed in claim 2, wherein: the inner wall of the L-shaped guide groove (605) is provided with a sliding groove, sliding blocks are fixedly connected to the two sides of the guide plate (606), and a return spring is fixedly connected between the side wall of each sliding block and the inner wall of the corresponding sliding groove.

4. The assembled mold for producing plastic plates convenient for mold opening as claimed in claim 2, wherein: one side of the conical thread sleeve (604) far away from the stud (601) is fixedly connected with a connecting bearing, and the inner ring of the connecting bearing is fixedly connected with the outer wall of the adjacent guide rod (603).

5. The assembled mold for producing plastic plates convenient for mold opening as claimed in claim 1, wherein: the material ejecting mechanism (10) comprises two movable grooves (1001), the two movable grooves (1001) are symmetrically arranged on the right side of the inner wall of the air chamber (7), the inner wall of each movable groove (1001) is provided with an adjusting groove (1002), a T-shaped ejecting sleeve (1003) is connected to the inside of each adjusting groove (1002) in a sliding mode, an extruding spring (1004) is movably connected between the side wall of each T-shaped ejecting sleeve (1003) and the inner wall of each adjusting groove (1002), and the right end of each T-shaped ejecting sleeve (1003) extends into the forming cavity (5);

the inner wall of the movable groove (1001) is fixedly connected with an air deflector (1005), the right side of the air deflector (1005) is fixedly connected with a T-shaped sealing rod (1006), and one end of the T-shaped sealing rod (1006) is movably inserted into the T-shaped top sleeve (1003).

6. The assembled mold for producing plastic plate convenient for mold opening as claimed in claim 5, wherein: the distance between the left side of the inner wall of the adjusting groove (1002) and the left side of the T-shaped top sleeve (1003) and the distance between the right side of the T-shaped top sleeve (1003) and the inner wall of the molding cavity (5) are the same, and the right side of the T-shaped sealing rod (1006) is flush with the inner wall of the molding cavity (5).

7. The assembled mold for producing plastic plate convenient for mold opening as claimed in claim 5, wherein: the cross section of the air guide plate (1005) is triangular, two sides of the air guide plate (1005) are fixedly connected to two sides of the inner wall of the movable groove (1001) respectively, and the left side of the movable groove (1001) is conical.

8. The assembled mold for producing plastic plates convenient for mold opening as claimed in claim 1, wherein: cooling body (16) are including Y type water head (1601) that divides, Y type water head (1601) fixed connection is in the intermediate position of movable mould (4) front end, the middle part of Y type water head (1601) and the top fixed connection of raceway (14) divide, the equal fixedly connected with condenser tube (1602) in both sides of Y type water head (1601) divide, two condenser tube (1602) symmetry fixed connection is in the inside of movable mould (4), movable mould (4) fixedly connected with row water jacket (1603) is run through to the one end of condenser tube (1602), the front end of row water jacket (1603) and the top fixed connection of Y type drain pipe (15), fixedly connected with bleed air pipe (1604) between the lateral wall of row water jacket (1603) and air chamber (7).

9. The assembled mold for plastic sheet production convenient for mold opening of claim 8, wherein: the top of the Y-shaped drain pipe (15) and one end of the cooling water pipe (1602) are both fixedly connected with one-way water valves.

10. The assembled mold for producing plastic plates convenient for mold opening as claimed in claim 1, wherein: the fixed die is characterized in that positioning pins are fixedly connected to the periphery of the left side of the fixed die (3), and positioning holes matched with the four positioning pins are formed in the periphery of the right side of the movable die (4) respectively.

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