CN222096841U - Plastic mold forming device - Google Patents

Abstract

The utility model provides a plastic die forming device, which relates to the technical field of plastic workpiece processing and forming, and comprises a main body, wherein a processing cavity is formed in the main body, and an upper die clamp and a lower die clamp are arranged in the processing cavity and are used for fixing an upper die and a lower die of a plastic die; the injection molding assembly is arranged among the main body, the upper die clamp and the lower die clamp and is used for driving the two die clamps to move and carrying out molding processing on a workpiece. The device utilizes the use of the upper die clamp and the lower die clamp of the installation assembly in a matched manner, can be used for installing and fixing dies of various specifications and sizes, so that the installation and use requirements of dies of various different specifications are met, various different workpieces can be produced, the applicability of the device is improved, meanwhile, the injection molding assembly for heating materials is matched with the heat-preserving and pressurizing assembly, the materials are subjected to constant-temperature heating treatment in the whole process, the materials can be effectively prevented from being subjected to temperature-losing solidification in the flowing process, the situation that the machining precision of the final workpiece is poor is caused, and the machining precision of the device is improved.

Description

Plastic mold forming device

Technical Field

The utility model relates to the technical field of plastic workpiece processing and forming, in particular to a plastic die forming device.

Background

The plastic mould is matched with a plastic forming machine in the plastic processing industry, and gives the plastic products a tool with complete configuration and accurate size, and the plastic forming machine and the plastic products have various structures due to various plastic varieties and processing methods, so the plastic mould has various types and structures.

However, in the actual use process, the common plastic mold forming device in the prior art can only be adapted to a single type of mold, for example, the Chinese utility model with the bulletin number of CN217021193U discloses a plastic mold forming device, and in the use process, the fixed installation of the mold is single, so that in the subsequent use process, the installation of a plurality of molds is difficult to adapt to meet the production requirement of a workpiece, and the plastic mold forming device has the defect of poor applicability.

Disclosure of utility model

The utility model aims to solve the defects existing in the background technology, provides a plastic mold forming device and solves the defects of poor applicability and low workpiece production precision of the common plastic mold forming device in the market.

The plastic die forming device comprises a main body, wherein a processing cavity is formed in the main body, an upper die clamp and a lower die clamp are arranged in the processing cavity and used for fixing an upper die and a lower die of a plastic die, an injection molding assembly is arranged among the main body, the upper die clamp and the lower die clamp and used for driving the two die clamps to move and forming a workpiece, an installation assembly is arranged between the upper die clamp and the lower die clamp and used for fixedly installing the die, and a pressurizing assembly is arranged in the upper die clamp and the lower die clamp and used for pressurizing and maintaining pressure in the plastic workpiece forming process.

The injection molding assembly comprises four driving motors which are respectively arranged on the inner wall of the top of the processing cavity and the inner wall of the bottom of the processing cavity, four reciprocating screws which are in rectangular structure and are distributed at equal intervals, wherein the reciprocating screws are in driving connection with one side of the driving motors, the reciprocating screws which are positioned at one side of the top of the processing cavity are in threaded engagement with the upper die clamps, the reciprocating screws which are positioned at one side of the bottom of the processing cavity are in threaded engagement with the lower die clamps, a feeding pipe which is arranged at the top of the main body, a material transferring cavity is formed in the middle of the upper die clamps, the feeding pipe is connected with the material transferring cavity through a flexible metal pipeline, and pressurizing pumps are arranged at the top and the bottom of the material transferring cavity.

The mounting assembly comprises a die cavity, four clamping grooves, an electric push rod and a clamping block, wherein the die cavity is arranged on the upper die clamp and the lower die clamp, the clamping grooves are formed in four corners of the bottom of the die cavity, the electric push rod is arranged on the inner wall of one side of the clamping groove, the clamping block is arranged at the top of the push rod, the clamping block is positioned on the inner wall of the bottom of the die cavity, and the clamping block is in an L-shaped structure.

Further, the pressurizing assembly comprises a pressure maintaining cavity arranged at the bottom of the die cavity, a pressure maintaining plate and an air cylinder arranged between the pressure maintaining plate and the inner wall of the pressure maintaining cavity, wherein the pressure maintaining plate is connected in a sliding mode in the pressure maintaining cavity, and the air cylinder is used for pushing the pressure maintaining plate to move so as to pressurize.

Further, an electric heating tube is sleeved on the outer surface of the material transferring cavity, and the electric heating tube is arranged in a threaded structure.

Further, a plurality of heat conducting plates are arranged on the inner wall of the material transferring cavity, and the plurality of heat conducting plates are distributed and arranged along the inner wall of the material transferring cavity in a circumferential structure.

Further, a cushion block is arranged on one side of the clamping block, the cushion block is made of rubber materials, an adsorption port is formed in one side of the clamping block, the adsorption port penetrates through the cushion block, and an I-shaped adsorption plate is connected inside the adsorption port in a sliding mode.

Further, a sucking disc is arranged on one side of the cushion block, and the sucking disc surrounds the sucking opening.

Furthermore, a pressure maintaining heat pipe is arranged in the pressure maintaining plate, a protection pipe is sleeved on the outer surface of the pressure maintaining heat pipe, and water is filled in the protection pipe.

Further, a console is arranged on one side of the main body, and a control panel is arranged on the top of the console.

The utility model provides a plastic mold forming device, which has the following beneficial effects:

The utility model has the advantages that the mounting assembly is matched with the upper die clamp and the lower die clamp, so that the dies with various specifications can be mounted and fixed, thereby meeting the mounting and use requirements of dies with various specifications, producing various different workpieces and improving the applicability of the device;

Secondly, utilize the injection molding subassembly of heating material to cooperate with the pressurized subassembly of heat preservation pressurization, carry out constant temperature heating treatment to the material in the whole journey, can effectively prevent that the material from flowing in-process from losing the temperature solidification, and the condition that leads to the work piece machining precision to become poor takes place at last, improves the machining precision of device.

Drawings

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

Fig. 2 is a cross-sectional view of the overall structure of the present utility model.

FIG. 3 is a schematic diagram showing the distribution of the clamping block structure of the present utility model.

Fig. 4 is a schematic diagram of a material transferring cavity structure of the present utility model.

Fig. 5 is a schematic view of the structure of the clamping block of the present utility model.

Fig. 6 is an enlarged schematic view of fig. 2 at a in accordance with the present utility model.

In the figures 1-6, 1-main body, 101-control desk, 102-control panel, 103-processing cavity, 104-driving motor, 105-reciprocating screw, 2-upper die clamp, 201-lower die clamp, 202-die cavity, 203-clamping groove, 204-electric push rod, 205-push block, 206-clamping block, 207-adsorption port, 208-adsorption plate, 209-cushion block, 210-sucker, 3-pressure maintaining cavity, 301-pressure maintaining plate, 302-pressure maintaining heat pipe, 303-protecting pipe, 304-cylinder, 4-feeding pipe, 401-material transferring cavity, 402-pressure pump, 403-heat conducting plate and 404-electric heating pipe.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.

The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The embodiment of the application provides a plastic mold forming device, which can realize the use of an upper mold clamp and a lower mold clamp by utilizing a mounting component, can mount and fix molds with various specifications, thereby meeting the mounting and use requirements of molds with various specifications, producing various different workpieces, improving the applicability of the device, simultaneously utilizing an injection molding component for heating materials to be matched with a heat-preserving and pressurizing component, carrying out constant-temperature heating treatment on the materials in the whole process, effectively preventing the situation that the processing precision of the final workpiece is poor due to the fact that the materials are out of solidification in the flowing process, and improving the processing precision of the device. The plastic mold molding device will be described in detail below. The following description of the embodiments is not intended to limit the preferred embodiments.

The application is described in detail below with reference to the drawings and the detailed description.

Example 1

Referring to fig. 1-6, the plastic mold forming device provided in this embodiment includes a main body 1, a processing cavity 103 provided in the main body 1, an upper mold clamp 2 and a lower mold clamp 201 provided in the processing cavity 103 for fixing an upper mold and a lower mold of a plastic mold, an injection molding assembly provided between the main body 1, the upper mold clamp 2 and the lower mold clamp 201 for driving the two mold clamps to move and forming a workpiece, a mounting assembly provided between the upper mold clamp 2 and the lower mold clamp 201 for fixedly mounting the mold, and a pressurizing assembly provided in the upper mold clamp 2 and the lower mold clamp 201 for pressurizing and maintaining pressure during the plastic workpiece forming process.

Further, the injection molding assembly comprises four driving motors 104 which are respectively arranged on the inner wall of the top of the processing cavity 103 and the inner wall of the bottom of the processing cavity, wherein the four driving motors 104 are equidistantly distributed in a rectangular structure, a reciprocating screw 105 which is connected with one side of the driving motors 104 is driven, the reciprocating screw 105 which is positioned on one side of the top of the processing cavity 103 is in threaded engagement with an upper die clamp 2, and the reciprocating screw 105 which is positioned on one side of the bottom of the processing cavity 103 is in threaded engagement with a lower die clamp 201;

In the use process, a user can start the driving motor 104 through the control panel 102, at this moment, the driving motor 104 rotates to drive the reciprocating screw 105 to rotate, and then drive the upper die clamp 2 and the lower die clamp 201 to mutually approach or keep away from each other, when the workpiece needs to be injection molded, the upper die clamp 2 and the lower die clamp 201 need to mutually approach and be attached together, meanwhile, external plastic raw materials can be injected into the feed pipe 4 and enter the first pressurizing pump 402 along the feed pipe 4, enter the material transferring cavity 401 for transferring materials after passing through the pressurizing pump 402 and are pumped into the upper die through the second pressurizing pump 402, and the upper die is mutually attached with the upper die in the die through the material transferring cavity 401 to perform injection molding on the upper die, so that plastic raw materials are injected between the upper die and the lower die to finish molding processing.

Further, the electrothermal tube 404 is sleeved on the outer surface of the material transferring cavity 401, and the electrothermal tube 404 is in a threaded structure, so that in the use process, materials positioned in the material transferring cavity 401 can be heated by the sleeved electrothermal tube 404, the materials can obtain heat again, the materials are prevented from being cooled and solidified in the transportation process, and the injection molding stability is improved.

Further, a plurality of heat conducting plates 403 are arranged on the inner wall of the material transferring cavity 401, and the plurality of heat conducting plates 403 are distributed along the inner wall of the material transferring cavity 401 in a circumferential structure, in the use process, the contact surface between the material and the inner wall of the material transferring cavity 401 can be improved by utilizing the plurality of heat conducting plates 403, and the material can be fully heated by utilizing the mode of increasing the contact surface, so that the heating efficiency is improved.

Further, a console 101 is arranged on one side of the main body 1, a control panel 102 is arranged on the top of the console 101, and in the using process, the control panel 102 on the console 101 can be utilized to supply power to and open and close a driving motor, an electric push rod 204, a pressure maintaining heat pipe 302, an air cylinder 304, a pressurizing pump 402 and an electric heating pipe 404, so that the using convenience of the device is improved

Example 2

On the basis of the embodiment 1, the mounting assembly comprises a die cavity 202 which is arranged on an upper die clamp 2 and a lower die clamp 201, wherein the upper die clamp 2 corresponds to the two die cavities 202 on the lower die clamp 201; the four clamping grooves 203 are formed in four corners of the bottom of the die cavity 202, an electric push rod 204 is arranged on the inner wall of one side of the clamping groove 203, and a push block 205 is arranged on one side of the electric push rod 204;

In the use, the user can laminate the mould in the mould chamber 202 on last mould clamp 2 and lower mould clamp 201 respectively with the mould, starts electric putter 204 through control panel 102 this moment, electric putter 204 will promote pusher 205 and drive clamp splice 206 and carry out the centre gripping pressurization to the edge of mould, utilize the mode of centre gripping pressurization to carry out fixed mounting to the mould that lies in mould chamber 202, utilize this kind of mode can carry out the centre gripping to the mould of various specification sizes fixedly, prevent that the unstable and skew circumstances of mould installation from taking place, improve the suitability of device.

Further, the cushion 209 is equipped with on one side of the clamp splice 206, and the cushion 209 is made for rubber materials, the absorption mouth 207 has been seted up to clamp splice 206 one side, and the absorption mouth 207 link up the cushion 209 setting, the inside sliding connection of absorption mouth 207 has the adsorption plate 208 of I shape, in the use, when clamp splice 206 is being close to the edge of mould, the cushion 209 of clamp splice 206 one side will contact with the mould edge earlier, the adsorption mouth 207 will laminate on the mould this moment, and through continuing the pressurization, the cushion 209 will receive the extrusion and shrink, the adsorption plate 208 that is located the inside of adsorption mouth 207 will also be pushed the extrusion to the inside removal of adsorption mouth 207 this moment, the airtight space that forms between the interior of adsorption mouth 207 and the mould will be increased when the cushion 209 is extruded the shrink, at this airtight space increase, because external air is difficult to get into airtight space, will form the negative pressure in the airtight space, under the effect of negative pressure, clamp splice 206 can form the adsorption force to the edge of mould, and not common frictional force is fixed, thereby can improve clamp splice 206 mould centre gripping stability, improve the practicality of device.

Further, cushion 209 one side is equipped with sucking disc 210, and sucking disc 210 sets up around adsorbing the mouth 207, in the use, utilizes sucking disc 210 to carry out further sealedly at the edge of adsorbing the mouth 207 to fill in the edge of mould and adsorption mouth 207 engaged position, improve the gas tightness of laminating, and then improve the stability of centre gripping installation.

Example 3

On the basis of embodiment 1, the pressurizing assembly comprises a pressure maintaining cavity 3 arranged at the bottom of the die cavity 202, a pressure maintaining plate 301 is slidably connected in the pressure maintaining cavity 3, and an air cylinder 304 arranged between the pressure maintaining plate 301 and the inner wall of the pressure maintaining cavity 3 and used for pushing the pressure maintaining plate 301 to move so as to pressurize, in the use process, the pressure maintaining plate 301 is positioned in the pressure maintaining cavity 3, after the injection molding of a workpiece is completed, the air cylinder 304 is utilized to push the pressure maintaining plate 301 to move so as to apply pressure to the outside of the die, the pressure of the die to the workpiece can be increased by utilizing the pressure, so that raw materials forming the workpiece can be filled into all corners of the die, slow cooling and molding are completed, and the material filling is finer and the production precision of the workpiece is improved by utilizing the mode.

Further, the pressure maintaining heat pipe 302 is arranged in the pressure maintaining plate 301, the protective pipe 303 is sleeved on the outer surface of the pressure maintaining heat pipe 302, water is filled in the protective pipe 303, heating can be carried out by utilizing the pressure maintaining heat pipe 302 in the pressure maintaining process, materials on the inner wall of the die are heated again, the situation that the materials at the edge position are quickly solidified without perfect filling due to heat absorbed by the inner wall of the die is prevented, the edge precision of a workpiece is reduced is further caused, the machining precision of the workpiece is improved, meanwhile, the principle that the temperature of the protective pipe 303 filled with water can be raised due to the fact that the heat capacity is larger and more heat needs to be absorbed is utilized, the temperature raising and the temperature lowering of the pressure maintaining plate 301 can be buffered, the temperature raising speed and the temperature lowering speed of the pressure maintaining plate 301 can be slowed down, the temperature raising or reducing speed in the die can be slowed down in the heat conducting process, the situation that the materials at the edge position in the die are solidified too fast is further prevented, and the practicability of the device is improved.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

The foregoing describes in detail a plastic mold forming device provided in the embodiments of the present application, and specific examples are used herein to describe the principles and embodiments of the present application, and the foregoing examples are provided for the purpose of helping to understand the technical solutions and core ideas of the present application, and those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. A plastic mold forming device, comprising:

The plastic die comprises a main body (1), wherein a processing cavity (103) is formed in the main body (1), and an upper die clamp (2) and a lower die clamp (201) are arranged in the processing cavity (103) and are used for fixing an upper die and a lower die of a plastic die;

The injection molding assembly is arranged among the main body (1), the upper die clamp (2) and the lower die clamp (201) and is used for driving the two die clamps to move and carrying out molding processing on a workpiece;

A mounting assembly arranged between the upper die clamp (2) and the lower die clamp (201) for fixedly mounting the die, and

The pressurizing assembly is arranged inside the upper die clamp (2) and the lower die clamp (201) and is used for pressurizing and maintaining pressure in the plastic workpiece forming process.

2. The plastic mold forming device of claim 1, wherein the injection molding assembly comprises:

Four driving motors (104) respectively arranged on the top inner wall and the bottom inner wall of the processing cavity (103), wherein the four driving motors (104) are distributed at equal intervals in a rectangular structure;

The reciprocating screw (105) is connected to one side of the driving motor (104) in a driving way, the reciprocating screw (105) positioned at the top side of the processing cavity (103) is in threaded engagement with the upper die clamp (2), and the reciprocating screw (105) positioned at the bottom side of the processing cavity (103) is in threaded engagement with the lower die clamp (201);

Locate inlet pipe (4) at main part (1) top, change material chamber (401) have been seted up at last die clamp (2) middle part, just inlet pipe (4) with change and be connected through flexible metal pipeline between material chamber (401), change material chamber (401) top and bottom all to be equipped with force (forcing) pump (402).

3. The plastic mold shaping apparatus of claim 1, wherein the mounting assembly comprises:

the upper die clamp (2) and the lower die clamp (201) are arranged in a corresponding mode, and the upper die clamp (2) corresponds to the two die cavities (202) on the lower die clamp (201);

Four clamping grooves (203) which are formed in four corners of the bottom of the die cavity (202), wherein an electric push rod (204) is arranged on the inner wall of one side of the clamping groove (203), and a push block (205) is arranged on one side of the electric push rod (204);

The clamping block (206) is arranged at the top of the pushing block (205), the clamping block (206) is positioned on the inner wall of the bottom of the die cavity (202), and the clamping block (206) is in an L-shaped structure.

4. A plastic mold forming device as recited in claim 3, wherein the pressurizing assembly comprises:

The pressure maintaining cavity (3) is formed in the bottom of the die cavity (202), and a pressure maintaining plate (301) is connected inside the pressure maintaining cavity (3) in a sliding mode;

and the air cylinder (304) is arranged between the pressure maintaining plate (301) and the inner wall of the pressure maintaining cavity (3) and is used for pushing the pressure maintaining plate (301) to move so as to pressurize.

5. The plastic mold forming device according to claim 2, wherein an electrothermal tube (404) is sleeved on the outer surface of the material transferring cavity (401), and the electrothermal tube (404) is arranged in a thread-like structure.

6. The plastic mold forming device according to claim 2, wherein a plurality of heat conducting plates (403) are arranged on the inner wall of the material transferring cavity (401), and the plurality of heat conducting plates (403) are distributed in a circumferential structure along the inner wall of the material transferring cavity (401).

7. A plastic mould forming device according to claim 3, characterized in that a cushion block (209) is arranged on one side of the clamping block (206), the cushion block (209) is made of rubber material, an adsorption port (207) is arranged on one side of the clamping block (206), the adsorption port (207) is penetrated through the cushion block (209), and an i-shaped adsorption plate (208) is slidably connected inside the adsorption port (207).

8. The plastic mold forming device according to claim 7, characterized in that a suction cup (210) is provided on one side of the cushion block (209), the suction cup (210) being disposed around the suction port (207).

9. The plastic mold forming device according to claim 4, wherein a pressure maintaining heat pipe (302) is provided inside the pressure maintaining plate (301), a protection pipe (303) is sleeved on the outer surface of the pressure maintaining heat pipe (302), and water is filled inside the protection pipe (303).

10. The plastic mold forming device according to claim 1, wherein a console (101) is provided on one side of the main body (1), and a control panel (102) is provided on the top of the console (101).