Plastic mold shaping equipment

Abstract

The utility model relates to the technical field of plastic mold processing, and discloses plastic mold shaping equipment which comprises an extrusion pumping mechanism, one end of the extrusion pumping mechanism is fixedly connected with a fixed mold, one side of the fixed mold is provided with a movable mold, and the fixed mold and the movable mold are assembled to form a complete cavity mold. A moving mechanism is fixedly connected to one side of the moving mold, a cooling mechanism is arranged in the fixed mold and the moving mold, and the cooling mechanism comprises runners formed in the fixed mold and the moving mold, spiral metal rods arranged in the runners and connecting pipes arranged at inlets and outlets of the runners; the S-shaped flow channel is arranged in the fixed mold and attached to the mold cavity, and the S-shaped flow channel is formed in the movable mold, so that the contact area of cooling liquid and the mold cavity is increased, cooling is more uniform, and the problems of product warping caused by local temperature difference and energy consumption increase caused by insufficient cooling are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic mould processing, more particularly to a plastic mould setting equipment. BACKGROUND

[0002] The plastic mould setting equipment is a core device for processing molten plastic raw materials into a specific shape, and controls process parameters such as temperature and pressure to allow the plastic to cool and solidify in the mould to form a final product.

[0003] The prior art has the following disadvantages: the conventional cooling waterway is usually a simple straight flow channel, has a small contact area with the cooling liquid, uneven cooling, and a long cooling time, which accounts for about 50% to 80% of the injection moulding cycle, thereby restricting the production efficiency, and insufficient cooling may even increase energy consumption and cause product warping due to local temperature differences. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a plastic mould setting equipment to solve the problems in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a plastic mould setting equipment, comprising an extrusion pumping mechanism, one end of the extrusion pumping mechanism is fixedly connected with a fixed mould, one side of the fixed mould is provided with a movable mould, the fixed mould and the movable mould are combined to form a complete cavity mould, one side of the movable mould is fixedly connected with a moving mechanism, the inside of the fixed mould and the movable mould is provided with a cooling mechanism, the cooling mechanism comprises a flow channel arranged in the inside of the fixed mould and the movable mould, a spiral metal rod arranged in the inside of the flow channel, and a connecting pipe arranged at the inlet and outlet of the flow channel, wherein the flow channel arranged in the inside of the fixed mould is arranged in a serpentine shape along the mould cavity arranged on the side of the fixed mould, the flow channel arranged in the inside of the movable mould is arranged in an "S" shape, and the spiral metal rod is fixedly connected in the vertical pipeline of the two, the inlet and outlet of the flow channel are arranged on the two sides of the fixed mould and the movable mould respectively, and the connecting pipe is connected with an external cooling device.

[0006] Further, the interface between the connecting pipe and the flow channel is made of hard metal material to ensure the stability of the connection, and the pipe connected with the external cooling device outside the interface is made of heat-resistant rubber material to ensure stable transmission of the cooling liquid during the movement of the movable mould and the fixed mould during mould combination and mould separation.

[0007] Further, the extrusion pumping mechanism comprises a feeding port for adding plastic particles, a heating element for heating and melting the plastic particles, a storage bin for storing the melted plastic, and a screw rod for conveying the melted plastic, the bottom end of the feeding port is fixedly connected with the top end of the storage bin, and the connection is communicated, the outside of the storage bin is fixedly connected with the inside of the heating element, the inside of the storage bin is movably connected with the screw rod, one end of the screw rod is connected with a motor, and the other end is fixedly connected with a check valve, and the check valve is located at the end of the storage bin, wherein an injection hole is formed in the end of the storage bin and is communicated with the mold cavity.

[0008] Further, the fixed mold is made of high-thermal-conductivity beryllium copper alloy material, and the surface of the mold cavity is laser-engraved with honeycomb-shaped micro-holes.

[0009] Further, the movable mold comprises a mold plate and a mold bottom plate, wherein the shape of the mold plate is determined according to production needs, the surface of the mold plate is laser-engraved with honeycomb-shaped micro-holes, and a cavity is left in the middle after the mold plate and the mold cavity are combined, the melted plastic enters the cavity through the injection hole communicated with the mold cavity, and the plastic product can be obtained after cooling and forming.

[0010] Further, the mold bottom plate is integrally formed with the mold plate, the length and width of the mold bottom plate are slightly larger than those of the mold plate, and a push rod one is movably connected at the edge of the mold bottom plate, the push rod one is symmetrically arranged at the upper and lower ends of the mold bottom plate, one end of the push rod one penetrates through the mold bottom plate, is fixedly connected with the mold bottom plate through a fixed seat fixedly connected on the side surface, and the other end is fixedly connected with a push plate through the fixed seat, the side surface of the push rod one is further sleeved with a spring, both ends of the spring are fixedly connected with the fixed seat, and the side surface of the push plate is fixedly connected with a push rod two and a short rod, one end of the push rod two is connected with a motor, the length of the short rod is smaller than that of the push rod two, and one end of the short rod is provided with a baffle at an interval, when the motor controls the push rod two to move to the side of the fixed mold, the short rod also moves to the same direction and stops at the baffle, at this moment, the short rod pushes the push plate to compress the spring, so that the push rod one exceeds the plane of the mold bottom plate and the plastic product cooled and formed is demolded.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model discloses a movable mold and fixed mold, and the movable mold is provided with a "S" shaped flow channel, and the fixed mold is provided with a serpentine flow channel, so that the contact area of the cooling liquid and the mold cavity is increased, the cooling is more uniform, and the problems of product warping caused by local temperature difference and increased energy consumption caused by insufficient cooling can be avoided.

[0013] 2. The utility model discloses a movable mold and fixed mold, and the movable mold is provided with a "S" shaped flow channel, and the fixed mold is provided with a serpentine flow channel, so that the contact area of the cooling liquid and the mold cavity is increased, the cooling is more uniform, and the problems of product warping caused by local temperature difference and increased energy consumption caused by insufficient cooling can be avoided. DRAWINGS

[0014] Figure 1 It is the whole structure schematic view of the utility model;

[0015] Figure 2 It is the whole cross section structure schematic view of the utility model;

[0016] Figure 3 It is the vertical cross section structure schematic view of the utility mold of the utility model;

[0017] Figure 4 It is the cross section structure schematic view of the utility model fixed mold;

[0018] Figure 5 It is the installation schematic view of the spiral metal rod inside the utility model fixed mold;

[0019] Figure 6 It is the cross section structure schematic view of the utility model mobile mold;

[0020] Figure 7 It is the installation schematic view of the spiral metal rod inside the utility model mobile mold.

[0021] The figure mark is: 1, extrusion pumping mechanism;101, feed inlet;102, heating part;103, storage bin;104, screw;105, check valve;106, injection hole;2, fixed mold;201, mold cavity;3, mobile mold;301, mold plate;302, mold bottom plate;4, moving mechanism;401, push rod one;402, push plate;403, spring;404, push rod two;405, short rod;5, cooling mechanism;501, flow channel;502, spiral metal rod;503, connecting pipe. Specific implementation

[0022] The technical scheme in the utility model will be described clearly and completely in combination with the drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only an example, and the plastic mold setting equipment involved in the utility model is not limited to each structure recorded in the following implementation, and all other implementation obtained by the ordinary skill in the art without making creative labor belongs to the scope of protection of the utility model.

[0023] Refer to Figures 1 to 7The utility model provides a kind of plastic mould shaping equipment, including extrusion pumping mechanism 1, one end of extrusion pumping mechanism 1 is fixedly connected with fixed mould 2, one side of fixed mould 2 is provided with mobile mould 3, fixed mould 2 and mobile mould 3 are moulded into complete cavity mould, one side of mobile mould 3 is fixedly connected with moving mechanism 4, the inside of fixed mould 2 and mobile mould 3 is provided with cooling mechanism 5, cooling mechanism 5 includes the flow channel 501 being opened in the inside of fixed mould 2 and mobile mould 3, spiral metal rod 502 being arranged in the inside of flow channel 501 and connecting pipe 503 being arranged at the import and export of flow channel 501, wherein the flow channel 501 being opened in the inside of fixed mould 2 is arranged in the cavity 201 of fixed mould 2 side face opening in the shape of snake, the flow channel 501 being opened in the inside of mobile mould 3 is arranged in the shape of "S" circulation, increase the contact area of coolant and cavity, improve heat dissipation efficiency, spiral metal rod 502 is fixedly connected in the vertical pipeline of both, increase the turbulent flow of coolant, improve heat exchange efficiency and cooling speed, the import and export of flow channel 501 are arranged at the two sides of fixed mould 2, mobile mould 3 respectively, are communicated with external cooling device by connecting pipe 503, cooling stage, cooling device starts, makes cooling water in flow channel 501 fast flow, flowing cooling water rapidly takes away cavity heat, makes the temperature of molten plastic reduce solidification soon.

[0024] Wherein, the interface of connecting pipe 503 and flow channel 501 adopts hard metal material, for ensuring the stability of connection, the pipeline of interface outside and external cooling device connection adopts heat-resistant rubber material, ensure that during the movement process of mobile mould 3 and fixed mould 2 moulding, moulding can stably transmit coolant.

[0025] One embodiment of plastic mould injection molding is that: plastic particles become high-temperature molten plastic by extrusion pumping mechanism 1, and are pumped into fixed mould 2 and mobile mould 3 to form complete cavity mould, after cooling and forming by cooling mechanism 5, mobile mechanism 4 controls mobile mould 3 and fixed mould 2 to separate, and plastic mould is obtained.

[0026] Refer to Figure 2 Extrusion pumping mechanism 1 includes feed inlet 101 for adding plastic particles, heating part 102 for heating to melt plastic particles, storage bin 103 for storing molten plastic and screw rod 104 for conveying molten plastic, the bottom end of feed inlet 101 is fixedly connected with the top end of storage bin 103, the connection is communicated, the outside of storage bin 103 is fixedly connected with the inside of heating part 102, screw rod 104 is movably connected in the inside of storage bin 103, one end of screw rod 104 is connected with motor, the other end is fixedly connected with check valve 105, check valve 105 is located at the end of storage bin 103, wherein injection hole 106 is opened at the end of storage bin 103, and is communicated with mould cavity 201.

[0027] Plastic particles are put into the storage bin 103 from the feed inlet 101, the motor controls the screw rod 104 to rotate and push the plastic particles forward, and the plastic particles are heated and melted into molten plastic by the heating part 102 in the heating section, continue to pass through the screw rod 104 and enter the end of the storage bin 103 through the check valve 105, and then enter the mold cavity 201 through the injection hole 106 under the extrusion of the screw rod 104.

[0028] The fixed mold 2 is made of beryllium copper alloy material with high thermal conductivity, the surface of the mold cavity 201 is laser engraved with honeycomb micro-holes, and the product sticking to the mold can be reduced.

[0029] The movable mold 3 comprises a mold plate 301 and a mold bottom plate 302, the shape of the mold plate 301 is determined according to production needs, the surface of the mold plate 301 is laser engraved with honeycomb micro-holes, and a cavity is left in the middle after the mold plate 301 and the mold cavity 201 are combined, the molten plastic enters the cavity through the injection hole 106 connected with the mold cavity 201, and the plastic product can be obtained after cooling and forming.

[0030] The mold bottom plate 302 is integrally formed with the mold plate 301, the length and width of the mold bottom plate 302 are slightly larger than those of the mold plate 301, and a push rod one 401 is movably connected to the edge of the mold bottom plate 302, the push rod one 401 is symmetrically arranged at the upper and lower ends of the mold bottom plate 302, one end of the push rod one 401 penetrates through the mold bottom plate 302 and is fixedly connected with the mold bottom plate 302 through a fixed seat fixedly connected to the side surface of the push rod one 401, the other end of the push rod one 401 is fixedly connected with a push plate 402 through the fixed seat, a spring 403 is further sleeved on the side surface of the push rod one 401, both ends of the spring 403 are fixedly connected with the fixed seat, and the side surface of the push plate 402 is fixedly connected with a push rod two 404 and a short rod 405, one end of the push rod two 404 is connected with a motor, the length of the short rod 405 is smaller than that of the push rod two 404, and one end of the short rod 405 is provided with a baffle in a gap, when the motor controls the push rod two 404 to move to the side away from the fixed mold 2, the short rod 405 also moves to the same direction and stops at the baffle, at this time, the short rod 405 pushes and extrudes the push plate 402 to compress the spring 403, so that the push rod one 401 exceeds the plane of the mold bottom plate 302 and the plastic product cooled and formed is demolded.

[0031] The working principle of the utility model is as follows: the staff puts the plastic particles into the storage bin 103 from the feed inlet 101, the heating part 102 melts the plastic particles into molten plastic, the screw rod 104 rotates and pushes the plastic particles forward to enter the mold cavity through the injection hole 106, the fixed mold 2 and the movable mold 3 are combined to form a complete mold cavity mold, the cooling mechanism 5 continuously circulates cooling water to cool and solidify the molten plastic, the fixed mold 2 and the movable mold 3 are separated by the moving mechanism 4, and the plastic mold is obtained.

[0032] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A plastic mold shaping apparatus characterized by comprising: The utility model provides an extrusion pumping mechanism (1) one end fixedly connected with fixed mould (2), one side of fixed mould (2) is provided with movable mould (3), fixed mould (2) and movable mould (3) are closed together and constitute complete cavity mould, one side of movable mould (3) is fixedly connected with moving mechanism (4), the inside of fixed mould (2) and movable mould (3) is provided with cooling mechanism (5), cooling mechanism (5) includes the flow channel (501) being opened in the inside of fixed mould (2) and movable mould (3), spiral metal pole (502) being arranged in the inside of flow channel (501) and connecting pipe (503) being arranged at the import and export of flow channel (501), wherein the flow channel (501) being opened in the inside of fixed mould (2) is arranged in the shape of snake along the mould cavity (201) being opened along the side of fixed mould (2), the flow channel (501) being opened in the inside of movable mould (3) is arranged in the shape of S circulation, spiral metal pole (502) is fixedly connected in the vertical pipeline of both, the import and export of flow channel (501) are arranged at the both sides of fixed mould (2), movable mould (3) respectively, are communicated with external cooling device through connecting pipe (503).

2. A plastic mold shaping apparatus according to claim 1, characterized by: The interface of connecting pipe (503) and flow channel (501) adopts hard metal material, which is used for ensuring the stability of connection, and the pipeline connected with external cooling device outside the interface adopts heat-resistant rubber material, which ensures that the cooling liquid can be stably transmitted during the moving process of closing and opening of movable mould (3) and fixed mould (2).

3. A plastic mold shaping apparatus according to claim 1, wherein: The extrusion pumping mechanism (1) includes a feeding port (101) for adding plastic particles, a heating member (102) for heating and melting the plastic particles, a storage bin (103) for storing the melted plastic, and a screw rod (104) for conveying the melted plastic. The bottom end of the feeding port (101) is fixedly connected with the top end of the storage bin (103), and the connection is communicated. The outside of the storage bin (103) is fixedly connected with the inside of the heating member (102). The inside of the storage bin (103) movably connects with the screw rod (104). One end of the screw rod (104) is connected with a motor, and the other end is fixedly connected with a check valve (105). The check valve (105) is located at the end of the storage bin (103), wherein an injection hole (106) is opened at the end of the storage bin (103) and is communicated with the mould cavity (201).

4. A plastic mold shaping apparatus according to claim 1, wherein: The fixed mould (2) is made of high-thermal-conductivity beryllium copper alloy material. The surface of the mould cavity (201) is laser-engraved with honeycomb-shaped micro-holes.

5. A plastic mold shaping apparatus according to claim 2, wherein: The movable mould (3) includes a mould type plate (301) and a mould bottom plate (302). The shape of the mould type plate (301) is determined according to production needs, and the surface is laser-engraved with honeycomb-shaped micro-holes. After the movable mould (3) is closed with the fixed mould (2), a cavity is left in the middle. The melted plastic enters the cavity through the injection hole (106) communicated with the mould cavity (201) and waits for cooling and forming, so that the plastic product can be obtained.

6. A plastic mold shaping apparatus according to claim 5, wherein: The mold bottom plate (302) is integrally formed with the mold plate (301), the length and width are slightly larger than the mold plate (301), and a push rod one (401) is movably connected at the overhanging edge, the push rod one (401) is symmetrically arranged at the upper and lower ends of the mold bottom plate (302), one end penetrates the mold bottom plate (302), is fixedly connected with the mold bottom plate (302) through a fixed seat fixedly connected on the side surface, the other end is fixedly connected with a push plate (402) through the fixed seat, the side surface of the push rod one (401) is further sleeved with a spring (403), wherein the two ends of the spring (403) are fixedly connected with the fixed seat, the side surface of the push plate (402) is fixedly connected with a push rod two (404) and a short rod (405), wherein one end of the push rod two (404) is connected with a motor, the length of the short rod (405) is smaller than that of the push rod two (404), one end is provided with a baffle in a gap, when the motor controls the push rod two (404) to move to the side away from the mold (2), the short rod (405) also moves to the same direction, and stops at the baffle, at this time, the short rod (405) pushes the push plate (402) to compress the spring (403), so that the push rod one (401) exceeds the plane of the mold bottom plate (302), and the cooled and formed plastic product is demolded.

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