Plastic mold with double positioning of upper mold and lower mold

Abstract

The utility model relates to the technical field of plastic molds, and discloses an upper and lower mold dual-positioning plastic mold which comprises a base, the top of the base is provided with a lower mold, four corners in the lower mold penetrate through positioning rods, the bottom ends of the positioning rods are fixedly connected with the base, and the other ends of the positioning rods sequentially penetrate through an upper mold and a mounting plate; the upper mold is fixed to the lower surface of the mounting plate, a dust cover fixedly mounted on the base is slidably connected to the surface of the mounting plate and wraps the upper mold and the lower mold, and first dust screens are arranged on the front surface, the left surface and the right surface of the dust cover and used for blowing air into the dust cover. By arranging the fixing mechanism, the door plate, the air blowing mechanism, the dustproof cover, the first dustproof net, an air blowing hole and an air gathering box, the plastic product can be cooled, and dust in the air can be prevented from entering the dustproof cover from a plastic product taking opening.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of plastic molds, in particular to a plastic mold with double positioning of upper and lower molds. BACKGROUND

[0002] A plastic mold is a tool used in the plastic processing industry and matched with a plastic forming machine to give a plastic product a complete configuration and accurate dimensions. Due to the variety of plastic products and processing methods, the structures of plastic forming machines and plastic products are various, so the types and structures of plastic molds are also various. Generally, a plastic mold is composed of a movable mold and a fixed mold, the movable mold is installed on a movable mold plate of an injection molding machine, and the fixed mold is installed on a fixed mold plate of the injection molding machine. During injection molding, the movable mold and the fixed mold are closed to form a gating system and a cavity, and during mold opening, the movable mold and the fixed mold are separated to take out the plastic product.

[0003] The patent file with the publication number CN216914673U discloses a plastic mold with double positioning of upper and lower molds, which comprises a plastic mold main body, an upper mold mounting seat and a lower mold mounting seat are installed on the plastic mold main body, and an upper mold and a lower mold are respectively connected to the upper mold mounting seat and the lower mold mounting seat, a top plate is arranged at the upper end of the plastic mold main body, limit columns and positioning rods are uniformly connected to the lower end of the top plate, a protective mesh cover is arranged at the lower end of the positioning connecting plate, and cleaning plates are connected to the upper and lower ends of the protective mesh cover and penetrate the limit columns. The plastic mold with double positioning of upper and lower molds is provided with a cleaning plate for cleaning the limit columns, so as to prevent dust or dirt adhered to the limit columns from affecting the smoothness of positioning, and facilitate the use of the plastic mold.

[0004] However, in actual application, the technology is provided with a through hole in the protective mesh cover to take out the molded plastic product by the worker, when the size of the molded plastic product is complicated, it means that the through hole will be too large, and in the process of taking out the plastic product by the worker, a lot of dust may enter the mold from the through hole, thereby affecting the production of the plastic mold, and the dust may fall on the side wall of the mold, increasing the working time of the worker.

[0005] Therefore, the technical personnel in the art provide a plastic mold with double positioning of upper and lower molds to solve the problems in the background art. Content of the utility model

[0006] In order to solve the problem that when the size of the molded plastic product is complicated, it means that the through hole will be too large, and in the process of taking out the plastic product by the worker, a lot of dust may enter the mold from the through hole, thereby affecting the production of the plastic mold, and the dust may fall on the side wall of the mold, increasing the working time of the worker, the application provides a plastic mold with double positioning of upper and lower molds.

[0007] The upper and lower mold double positioning plastic mold provided by the application adopts the technical scheme as follows: comprising an upper and lower mold double positioning plastic mold, comprising a base, a lower mold is installed on the top of the base, four corners in the lower mold are penetrated by positioning rods, the bottom ends of the positioning rods are fixedly connected with the base, the other ends of the positioning rods are sequentially penetrated through an upper mold and a mounting plate, the upper mold is fixed on the lower surface of the mounting plate, a dust cover is fixedly installed on the base and is slidably connected to the surface of the mounting plate, the dust cover wraps the upper mold and the lower mold, first dust screens are arranged on the front surface, the left surface and the right surface of the dust cover, a door plate is slidably connected to the surface of the dust cover, a fixing mechanism is installed in the door plate, an air collecting box is fixedly connected to the back side of the door plate, and a blowing mechanism is connected to the air collecting box.

[0008] Preferably, an injection port is arranged on the top of the mounting plate, and a gas cylinder for pushing the mounting plate to move up and down is arranged on the top of the mounting plate.

[0009] Preferably, the two sides and the front surface of the door plate are provided with a first dust screen and a baffle for blocking the first dust screen.

[0010] Preferably, the fixing mechanism comprises a fixed block, a spring, a sliding rod and a handle, the cross section of the fixed block is wedge-shaped, the fixed block is inserted into a fixed groove in the door plate, the other side of the fixed block is fixedly connected with the spring and the sliding rod, the spring is sleeved on the outer surface of the sliding rod and is fixedly connected with the inner wall of the door plate at the other end, and one end of the sliding rod penetrating through the door plate is fixedly connected with the handle.

[0011] Preferably, the blowing mechanism comprises a gas pipe, a machine box, a blower and a second dust screen, the air collecting box is communicated with the machine box through the gas pipe, one side of the machine box is fixedly connected with the second dust screen, and the machine box is fixedly connected with the blower in the inside for blowing.

[0012] Preferably, a plurality of air blowing holes are communicated in the air collecting box, and the air blowing holes correspond to the taking and placing port of the plastic product.

[0013] To sum up, the application has the following beneficial technical effects:

[0014] By arranging the fixing mechanism, the door plate, the blowing mechanism, the dust cover, the first dust screen, the air blowing hole and the air collecting box, the plastic product can be cooled, and the dust in the air can be prevented from entering the inside of the dust cover through the taking port of the plastic product. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a front surface structure schematic view of the upper and lower mold double positioning plastic mold in the embodiment of the application;

[0016] Figure 2It is the inner wall structure schematic view of a plastic mold with double positioning of upper and lower molds in the embodiment of the application.

[0017] Figure 3 It is the structure schematic view of a door plate of a plastic mold with double positioning of upper and lower molds in the embodiment of the application.

[0018] Figure 4 It is the structure schematic view of a plastic mold with double positioning of upper and lower molds in the embodiment of the application. Figure 3 The structure schematic view of the A part is enlarged.

[0019] Figure 5 It is the internal structure schematic view of a machine box of a plastic mold with double positioning of upper and lower molds in the embodiment of the application.

[0020] Mark explanation: 1, base; 2, lower mold; 3, positioning rod; 4, upper mold; 5, mounting plate; 6, injection port; 7, air cylinder; 8, dust cover; 9, first dust screen; 10, door plate; 11, fixed block; 12, spring; 13, sliding rod; 14, handle; 15, blowing hole; 16, gas collection box; 17, air pipe; 18, machine box; 19, blower; 20, second dust screen. DETAILED DESCRIPTION

[0021] The application will be described in detail below with reference to the accompanying drawings. Figures 1-5 The technical scheme of the utility model is clearly and completely described, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0022] The embodiment of the application discloses a plastic mold with double positioning of upper and lower molds, referring to Figures 1-5 , including base 1, the top of base 1 is installed with lower mold 2, four corners in the inside of lower mold 2 are penetrated through positioning rod 3, and the bottom end of positioning rod 3 is fixedly connected with base 1, the other end of positioning rod 3 is sequentially penetrated through upper mold 4 and mounting plate 5, and upper mold 4 is fixed on the lower surface of mounting plate 5, the top of mounting plate 5 is provided with injection port 6, and the top of mounting plate 5 is provided with air cylinder 7 for pushing mounting plate 5 to move up and down;Through the setting of positioning rod 3, the positioning effect between upper mold 4 and lower mold 2 is realized.

[0023] In the application, the surface of the mounting plate 5 is slidably connected with a dust cover 8 fixedly installed on the base 1, and the dust cover 8 wraps the upper mold 4 and the lower mold 2, the front, left and right surfaces of the dust cover 8 are all provided with a first dust screen 9, the surface of the dust cover 8 is slidably connected with a door plate 10, the door plate 10, the dust cover 8, the first dust screen 9, the mounting plate 5 and the base 1 form a complete dust cover 8, the two sides and the front of the door plate 10 are all provided with a baffle for blocking the first dust screen 9 and taking the plastic product, and a fixing mechanism for the door plate 10 is installed in the inside of the door plate 10; through the setting of the door plate 10, the first dust screen 9 and the fixing mechanism, the fixing of the door plate 10 is released through the fixing mechanism, then the door plate 10 is pulled to block the first dust screen 9, and the opening for taking the plastic product is opened, so that the staff can quickly take the plastic product.

[0024] In the application, the fixing mechanism comprises a fixing block 11, a spring 12, a sliding rod 13 and a handle 14, the cross section of the fixing block 11 is wedge-shaped, the fixing block 11 penetrates through the door plate 10 and is inserted into a fixing groove in the fixing block 11, the other side of the fixing block 11 is fixedly connected with the spring 12 and the sliding rod 13, the spring 12 is sleeved on the outer surface of the sliding rod 13 and is fixedly connected with the inner wall of the door plate 10 at the other end, and one end of the sliding rod 13 penetrating through the door plate 10 is fixedly connected with the handle 14; through the setting of the fixing block 11, the spring 12, the sliding rod 13 and the handle 14, the door plate 10 is quickly fixed and conveniently pulled to move up and down.

[0025] In the application, the rear side of the door plate 10 is fixedly connected with a gas collecting box 16, the inside of the gas collecting box 16 is communicated with a plurality of gas blowing holes 15, the gas blowing holes 15 correspond to the opening for taking the plastic product, the gas collecting box 16 is connected with a blowing mechanism for blowing wind into the inside of the dust cover 8, the blowing mechanism comprises a gas pipe 17, a machine box 18, a blower 19 and a second dust screen 20, the gas collecting box 16 is communicated with the machine box 18 through the gas pipe 17, one side of the machine box 18 is fixedly connected with the second dust screen 20, and the inside of the machine box 18 is fixedly connected with the blower 19 for blowing wind; through the setting of the blowing mechanism, the gas collecting box 16 and the gas blowing holes 15, the inside of the dust cover 8 is blown, the heat dissipation of the plastic product is accelerated, and when the opening for taking the plastic product is opened, the wind speed of the dust cover 8 flows out from the opening for taking the plastic product due to the blocking of the first dust screen 9, so that the effect of preventing dust from entering the inside of the dust cover 8 is achieved.

[0026] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0027] The implementation principle of the plastic mold with double positioning of upper and lower molds is as follows: in use, the air cylinder 7 drives the mounting plate 5 to drive the upper mold 4 to move downward along the positioning of the positioning rod 3 and be matched with the lower mold 2, then injection molding is carried out, after completion, the air cylinder 7 drives the mounting plate 5 to drive the upper mold 4 to move upward and separate from the upper side of the lower mold 2, at the same time, the air blower 19 is started to drive air to pass through the second dustproof net 20 to filter dust, then the air enters into the air pipe 17 from the case 18, then the air enters into the gas collecting box 16 from the air pipe 17, and then the air is sprayed out from the air blowing hole 15, the flowing air carries away the heat of the plastic product; further, the staff pulls the handle 14 to drive the fixing block 11 to separate from the inside of the dust cover 8 through the slide rod 13 and the fixing block 11 compresses the spring 12, the handle 14 is manually pulled to drive the door plate 10 to move upward and block the first dustproof net 9, then the handle 14 is pushed to drive the fixing block 11 to insert into the inside of the dust cover 8 by the compressed spring 12, then the other handle is loosened, at the same time, the fixing block 11 is inserted into the dust cover 8, the fixing of the door plate 10 is completed, the plastic product taking opening is opened, since the first dustproof net 9 is blocked, the air sprayed out from the air blowing hole 15 flows out from the plastic product taking opening, and dust in the air is prevented from entering into the inside of the dust cover 8.

[0028] Finally, the following points should be explained: first, in the description of the present application, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0029] Secondly: the present application discloses the structure related to the embodiment of the present application, other structures can refer to the general design, under the condition of no conflict, the same embodiment and different embodiments of the present application can be combined with each other.

Claims

1. A plastic mold with double positioning of the upper and lower mold, comprising a base (1), characterized in that, The top of the base (1) is provided with a lower mold (2), four corners of the inside of the lower mold (2) are penetrated through positioning rods (3), and the bottom end of the positioning rod (3) is fixedly connected with the base (1), the other end of the positioning rod (3) is sequentially penetrated through an upper mold (4), a mounting plate (5), and the upper mold (4) is fixed on the lower surface of the mounting plate (5), the surface of the mounting plate (5) is slidably connected with a dust cover (8) fixedly installed on the base (1), and the dust cover (8) wraps the upper mold (4) and the lower mold (2), the front, left and right surfaces of the dust cover (8) are provided with first dust screens (9), the surface of the dust cover (8) is slidably connected with a door plate (10), the inside of the door plate (10) is provided with a fixing mechanism, the rear side of the door plate (10) is fixedly connected with a gas collecting box (16), and the gas collecting box (16) is connected with a blowing mechanism.

2. A plastic mold with double positioning of the upper and lower mold according to claim 1, characterized in that: The top of the mounting plate (5) is provided with an injection port (6), and the top of the mounting plate (5) is provided with a cylinder (7) for pushing the mounting plate (5) to move up and down.

3. A plastic mold with double positioning of the upper and lower mold according to claim 1, characterized in that: The two sides and the front of the door plate (10) are provided with a first dust screen (9) and a baffle.

4. The plastic mold with double positioning of the upper and lower molds according to claim 1, characterized in that: The fixing mechanism comprises a fixed block (11), a spring (12), a sliding rod (13) and a handle (14), the cross section of the fixed block (11) is wedge-shaped, the fixed block (11) penetrates through the door plate (10) and is inserted into the fixed groove in the fixed block (11), the other side of the fixed block (11) is fixedly connected with the spring (12) and the sliding rod (13), the spring (12) is sleeved on the outer surface of the sliding rod (13) and the other end is fixedly connected with the inner wall of the door plate (10), and one end of the sliding rod (13) penetrating through the door plate (10) is fixedly connected with the handle (14).

5. The plastic mold with double positioning of the upper and lower molds according to claim 1, characterized in that: The blowing mechanism comprises a gas pipe (17), a machine box (18), a hair dryer (19) and a second dust screen (20), the gas collecting box (16) is communicated with the machine box (18) through the gas pipe (17), one side of the machine box (18) is fixedly connected with the second dust screen (20), and the inside of the machine box (18) is fixedly connected with the hair dryer (19) for blowing.

6. A plastic mold with double positioning of the upper and lower mold according to claim 3, characterized in that: The inside of the gas collecting box (16) is communicated with a plurality of air blowing holes (15), and the air blowing holes (15) correspond to the taking and placing opening of the plastic product.

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