Plastic mold convenient to pour

Abstract

The utility model provides a plastic mould convenient to pour, which comprises a pouring nozzle, an upper mould base, an upper mould plate, a lower mould plate, a lower mould base and a supporting plate, the pouring nozzle is arranged on the upper side of the upper mould base, the upper mould plate is arranged on the lower side of the upper mould base, the lower mould plate is arranged on the lower side of the upper mould plate, and the lower mould base is arranged on the lower side of the lower mould plate. Forming mold cavities are formed in the upper mold plate and the lower mold plate, a supporting plate is installed on the right end face of the upper mold base, an air extracting pump is installed on the upper side of the supporting plate, an exhaust channel is formed in the right side in the upper mold plate, a pouring channel is formed in the position where the interior of the upper mold plate is communicated with the pouring nozzle, and a connector is installed at the upper opening position of the exhaust channel; according to the design, air in the forming die cavity can be pumped out through the sucking pump, meanwhile, the exhaust channel can be sealed through the top pressing plate, external air is prevented from reversely flowing into the forming die cavity, no air hole is formed in a product, and the production quality of the product is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a plastic mold convenient to pour belongs to plastic mold technical field. BACKGROUND

[0002] The plastic mold is a kind of combination mould for compression moulding, extrusion moulding, injection moulding, blow moulding and low-foam moulding.The coordinated change of the male and female dies and auxiliary moulding system can process a series of plastic parts with different shapes and sizes.The plastic mold is the mother of industry, and the release of new products will involve plastics, mainly including the female die with variable cavity composed of female die combination base plate, female die assembly and female die combination card plate, and the male die with variable core composed of male die combination base plate, male die assembly, male die combination card plate, cavity truncation assembly and side truncation combination plate.In order to improve the performance of plastics, various auxiliary materials such as fillers, plasticizers, lubricants, stabilizers and colorants need to be added in the polymer to become good plastics.

[0003] In the prior art, the air in the forming cavity is not easy to discharge during pouring of the existing plastic mold, the exhaust is not complete, and part of the air remains in the forming cavity, which causes air holes in the product and affects the product quality.Therefore, there is an urgent need for a plastic mold convenient to pour to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a plastic mold convenient to pour to solve the problems in the background art.The utility model has reasonable structure, is convenient to assemble, and has good use effect.

[0005] To achieve the above purpose, the utility model is implemented by the following technical scheme: a plastic mold convenient to pour, comprising a pouring nozzle, an upper die holder, an upper die plate, a lower die plate, a lower die holder and a supporting plate, the upper die holder is provided with a pouring nozzle on the upper side, the upper die holder is provided with an upper die plate on the lower side, the upper die plate is provided with a lower die plate on the lower side, the lower die plate is provided with a lower die holder on the lower side, the upper die plate and the lower die plate are provided with a forming cavity inside, the upper die holder is provided with a supporting plate on the right end face, the supporting plate is provided with an air pump on the upper side, the upper die plate is provided with an exhaust passage on the right side inside, the upper die plate is provided with a pouring channel at the communication position with the pouring nozzle, a connecting head is installed at the opening position of the exhaust passage, an air extraction pipe is installed at the connecting position of the connecting head and the air pump, a first movable slot is opened on the right side inside the upper die plate, a top pressing plate is installed in the first movable slot, a second movable slot is opened on the right side of the first movable slot, a push-pull connecting rod is installed in the second movable slot, a fixed support frame is installed on the right end face of the upper die plate, an electric push rod is installed in the fixed support frame, and a connecting sleeve is installed at the connecting position of the electric push rod and the right end face of the push-pull connecting rod.

[0006] Further, the sealing joint is matched with the specification of the exhaust pipe.

[0007] Further, the sealing joint is matched with the specification of the exhaust pipe.

[0008] Further, the sealing joint is matched with the specification of the exhaust pipe.

[0009] Further, the sealing joint is matched with the specification of the exhaust pipe.

[0010] Further, the sealing joint is matched with the specification of the exhaust pipe.

[0011] The plastic mold convenient to pour has the advantages that the supporting plate, the air pump, the exhaust pipe, the connector, the exhaust passage, the top pressing plate, the first movable groove, the push-pull connecting rod, the second movable groove, the fixed support frame, the electric push rod and the connecting sleeve are added, air in the molding cavity can be extracted through the air pump, the exhaust passage can be sealed through the top pressing plate, outside air is prevented from flowing into the molding cavity, air holes in the product are avoided, and the production quality of the product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof, read in conjunction with the accompanying drawings:

[0013] Figure 1 Fig. 1 is a structural schematic view of the plastic mold convenient to pour of the present application;

[0014] Figure 2 Fig. 2 is a front view of the plastic mold convenient to pour of the present application;

[0015] Figure 3 Fig. 3 is a sectional view of the plastic mold convenient to pour of the present application; Figure 2 Fig. 4 is a structure enlarged schematic view of A in Fig. 3;

[0016] In the figure: 1-pouring nozzle, 2-upper die holder, 3-upper die plate, 4-lower die plate, 5-lower die holder, 6-supporting plate, 7-air extraction pump, 8-air extraction pipe, 9-pouring channel, 10-molding cavity, 11-connection head, 12-exhaust passage, 13-pressing plate, 14-first movable slot, 15-pull-push connecting rod, 16-second movable slot, 17-fixed supporting frame, 18-electric push rod, 19-connection sleeve, 71-sealing joint. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0018] Please refer to Figures 1-3 The utility model provides a kind of technical scheme: a plastic mold convenient to pour, including pouring nozzle 1, upper die holder 2, upper die plate 3, lower die plate 4, lower die holder 5 and supporting plate 6, upper die holder 2 upper side is equipped with pouring nozzle 1, upper die holder 2 lower side is provided with upper die plate 3, and upper die plate 3 lower side is provided with lower die plate 4, and lower die plate 4 lower side is provided with lower die holder 5, and upper die plate 3 and lower die plate 4 are provided with molding cavity 10 inside, and the right end surface of upper die holder 2 is equipped with supporting plate 6, and the upper side of supporting plate 6 is equipped with air extraction pump 7, and the right side of the inside of upper die plate 3 is provided with exhaust passage 12, and the inside of upper die plate 3 is provided with pouring channel 9 at the communication place with pouring nozzle 1, and the upper opening position of exhaust passage 12 is equipped with connection head 11, and air extraction pipe 8 is equipped at the connection place of connection head 11 and air extraction pump 7, and the right side of the inside of upper die plate 3 is provided with first movable slot 14, and first movable slot 14 is equipped with pressing plate 13 inside, and the right side of first movable slot 14 is provided with second movable slot 16, and second movable slot 16 is equipped with pull-push connecting rod 15 inside, and the right end surface of upper die plate 3 is equipped with fixed supporting frame 17, and fixed supporting frame 17 is equipped with electric push rod 18 inside, and electric push rod 18 is equipped with connection sleeve 19 at the connection place with the right end surface of pull-push connecting rod 15, the design can extract the air inside molding cavity 10 by air extraction pump 7, simultaneously, pressing plate 13 can seal exhaust passage 12, prevent outside air from flowing into molding cavity 10, so that air hole does not appear in product, and the production quality of product is improved.

[0019] Sealing joint 71 is installed at the connection place of air extraction pipe 8 and air extraction pump 7, and the inner diameter of sealing joint 71 is same with the diameter of air extraction pipe 8.

[0020] Connection head 11 is installed at the connection place of air extraction pipe 8 and exhaust passage 12, and the specification of connection head 11 is matched with the specification of air extraction pipe 8 and exhaust passage 12, and the upper opening of connection head 11 is communicated with air extraction pipe 8, and the lower opening of connection head 11 is communicated with exhaust passage 12.

[0021] The first movable groove 14 has the same inner diameter as the diameter of the top pressing plate 13, and the length of the first movable groove 14 is the same as the total length of the top pressing plate 13 and the exhaust passage 12.

[0022] The connecting sleeve 19 has the same inner diameter as the diameter of the push-pull connecting rod 15, and the connecting sleeve 19 is internally provided with a pin, which is inserted into the inside of the push-pull connecting rod 15.

[0023] The fixed support frame 17 is fixedly connected to the upper mold plate 3 by welding, and the supporting plate 6 is fixedly connected to the upper mold base 2 by welding.

[0024] As an embodiment of the present application: when pouring the product, the staff first connects the air suction pump 7 and the electric push rod 18 to the external power supply through wires, then starts the air suction pump 7 through the external power supply, the air suction pump 7 sucks the air in the exhaust passage 12 through the air suction pipe 8, and the air in the forming mold cavity 10 is sucked out through the exhaust passage 12, which facilitates pouring of the forming mold cavity 10, and then pouring is carried out through the pouring nozzle 1, and when the pouring is completed, the electric push rod 18 is started through the external power supply, the electric push rod 18 is elongated to the left side, the push-pull connecting rod 15 is pushed to the left side through the electric push rod 18, the top pressing plate 13 is pushed to the left side through the push-pull connecting rod 15, the left end surface of the top pressing plate 13 is tightly closed and fitted with the inner wall of the exhaust passage 12, and then the exhaust passage 12 is sealed through the top pressing plate 13, so as to prevent external air from returning into the forming mold cavity 10, thereby improving the pouring quality of the present application.

[0025] The above shows and describes the basic principles and main features of the present application and the advantages of the present application, and for those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that although the present application is described in the form of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A plastic injection mold facilitating pouring, comprising a pouring nozzle (1), an upper mold base (2), an upper mold plate (3), a lower mold plate (4), a lower mold base (5), and a support plate (6), characterized in that: The upper die seat (2) is provided with a pouring nozzle (1) on the upper side, an upper mold plate (3) on the lower side, a lower mold plate (4) on the lower side of the upper mold plate (3), and a lower die seat (5) on the lower side of the lower mold plate (4). The upper mold plate (3) and the lower mold plate (4) are provided with a forming cavity (10) inside. The upper die seat (2) is provided with a supporting plate (6) on the right end surface. The supporting plate (6) is provided with an air extraction pump (7) on the upper side. The upper mold plate (3) is provided with an exhaust passage (12) on the right side inside. The upper mold plate (3) is provided with a pouring passage (9) at the communication position with the pouring nozzle (1). The connecting head (11) is installed at the opening position of the exhaust passage. The connecting head (11) is connected with the air extraction pump (7). The air extraction pipe (8) is installed at the connecting position of the connecting head (11) and the air extraction pump (7). The first movable groove (14) is formed on the right side inside the upper mold plate (3). The first movable groove (14) is provided with a top pressing plate (13) inside. The second movable groove (16) is formed on the right side of the first movable groove (14). The second movable groove (16) is provided with a push-pull connecting rod (15) inside. The upper mold plate (3) is provided with a fixed support frame (17) on the right end surface. The fixed support frame (17) is provided with an electric push rod (18) inside. The electric push rod (18) is connected with the push-pull connecting rod (15) at the right end surface. The connecting sleeve (19) is installed at the connecting position.

2. A plastic mold facilitating pouring according to claim 1, characterized in that: The air extraction pipe (8) is provided with a sealing joint (71) at the connecting position with the air extraction pump (7). The sealing joint (71) is matched with the air extraction pipe (8) in specification.

3. A plastic mold facilitating pouring according to claim 1, characterized in that: The connecting head (11) is matched with the air extraction pipe (8) in specification. The diameter of the connecting head (11) is the same as the inner diameter of the air extraction pipe (8) and the inner diameter of the exhaust passage (12). The upper section of the connecting head (11) is inserted into the air extraction pipe (8). The lower section of the connecting head (11) is inserted into the exhaust passage (12). The air extraction pipe (8) is connected with the exhaust passage (12) through the connecting head (11).

4. A plastic mold facilitating pouring according to claim 1, characterized in that: The first movable groove (14) is matched with the top pressing plate (13) in specification. The length of the first movable groove (14) is greater than the length of the top pressing plate (13). The length of the first movable groove (14) is equal to the sum of the length of the top pressing plate (13) and the diameter of the exhaust passage (12). The second movable groove (16) is matched with the push-pull connecting rod (15) in specification.

5. A plastic mold facilitating pouring according to claim 1, characterized in that: The connecting sleeve (19) is matched with the push-pull connecting rod (15) in specification. The connecting sleeve (19) is provided with a pin inside at the connecting position with the push-pull connecting rod (15). The push-pull connecting rod (15) is fixedly connected with the connecting sleeve (19) through the pin.

6. A plastic mold facilitating pouring according to claim 1, characterized in that: The supporting plate (6) is fixedly connected with the upper die seat (2) by welding. The fixed support frame (17) is fixedly connected with the upper mold plate (3) by welding.

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