Injection molding integrated injection structure for injection molding machine

Abstract

The utility model discloses an injection molding integrated injection structure for an injection molding machine. Comprising an injection molding machine rack, a mold rack fixedly mounted on one side of the injection molding machine rack, a material guiding box body fixedly mounted at the top of the injection molding machine rack, a main shaft motor fixedly mounted at one end of the material guiding box body and used for driving material guiding, and a cooling box fixedly mounted at the top of the injection molding machine rack and located at the other end of the material guiding box body, the outer mold is installed on one side of the cooling box in a welded mode, the protective shell is fixedly installed on the top of the mold rack, the hydraulic oil cylinder is fixedly installed in the mold rack, and the injection mold is installed at one end of the hydraulic oil cylinder and matched with the outer mold for injection molding. According to the utility model, the cooling pipe is mounted in the cooling box in a disc manner, so that the cooling effect in the cooling box is improved, and the injection molding material is not in direct contact with the material while being cooled.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection molding machine technical field, concretely relates to a kind of injection molding integrated injection structure for injection molding machine. BACKGROUND

[0002] The working principle of injection molding machine is to push the plastic in molten state (i.e. viscous flow state) into the closed injection mold cavity at high pressure and high speed by the thrust of screw (or plunger), and then obtain the plastic product with the shape almost consistent with the mold cavity after cooling and solidification.

[0003] The utility model discloses a kind of water-assisted injection molding machines capable of shortening cooling time, including injection structure and water-assisted structure, the injection structure includes driving device, injection cavity, feed hopper, nozzle and heater, the injection cavity is cylindrical, the driving device is set in injection cavity rear, the nozzle is set in injection cavity front, the feed hopper is set in injection cavity upper portion, the heater is set around injection cavity, the water-assisted structure includes water injection structure and backwater structure, the water injection structure and backwater structure are respectively set in injection structure both sides, in combination with the characteristics of water-assisted injection molding, the water passage of injection mold is generated, so that in cooling stage, relatively low temperature water is used. The above-mentioned utility model directly injects water into mold during injection molding process, and the mold is water-cooled to accelerate its cooling and setting. Although it is in contact with the mold to the maximum extent and accelerates its cooling, but directly injecting water into the mold can affect the mold, and water pressure can cause indentation on the surface of the mold, or directly immerse the plastic material to generate bubbles, which affects its normal forming. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the utility model provides an injection structure for injection molding machine, which comprises an injection molding machine frame, a mold frame fixedly installed on one side of the injection molding machine frame, a material guiding box body fixedly installed on the top of the injection molding machine frame, a main shaft motor fixedly installed on one end of the material guiding box body for driving material guiding, a cooling box fixedly installed on the top of the injection molding machine frame and located on the other end of the material guiding box body, an outer mold welded and installed on one side of the cooling box, a protective shell fixedly installed on the top of the mold frame, a hydraulic cylinder fixedly installed in the interior of the mold frame, and an injection mold installed on one end of the hydraulic cylinder and matched with the outer mold for injection molding.

[0005] The main shaft motor at one end of the material guiding box body drives the material guiding, and the hydraulic cylinder pushes the injection mold, so that the material is guided into the closed injection cavity formed between the outer mold and the injection mold.

[0006] As a further preferred technical scheme of the utility model, the bearing frame is fixedly installed on the top of the injection molding machine frame, and the material guiding box body is welded and installed on the bottom of the bearing frame through the mounting frame.

[0007] The material guiding box body is maintained and replaced by dismounting and mounting the bearing frame.

[0008] As a further preferred technical scheme of the utility model, the positioning frame is fixedly installed on the mounting frame at the position of the main shaft motor, and the main shaft motor is fixedly installed on the positioning frame.

[0009] The main shaft motor is positioned and installed to ensure that the main shaft motor drives the material guiding box body.

[0010] As a further preferred technical scheme of the utility model, the barrel is welded and installed in the material guiding box body, the hopper extending into the barrel is fixedly installed on the top of the material guiding box body, the material guiding screw is rotatably installed in the barrel, one end of the material guiding screw is connected and driven by the output end of the main shaft motor penetrating the barrel, and a plurality of groups of nanometer infrared heating rings are fixedly installed between the outer ring of the barrel and the material guiding box body.

[0011] The injection molding material particles are added in the hopper, the nanometer infrared heating rings of the outer ring of the barrel heat the plastic particles to melt them into liquid, the material guiding screw is driven by the main shaft motor to rotate in the barrel to guide the liquid material, and the nanometer infrared heating rings form a heating cavity in the material guiding box body to ensure that the solid material in the barrel is completely melted.

[0012] As a further preferred technical scheme of the utility model, the material guiding port is formed in the shell between the cooling box and the material guiding box body, one end of the barrel penetrates the material guiding box body through the material guiding pipe and is connected and installed with the outer mold, the cooling pipe is fixedly installed on the inner wall of the cooling box, and the outlet end and the input end are arranged at both ends of the cooling pipe penetrating the cooling box.

[0013] The cooling liquid is circulated and transported outside the cooling pipe to accelerate the cooling of the material in the mold during the injection molding process, the cooling box and the material guiding box body are separately arranged and do not affect each other during the entire injection molding process, the normal melting of the solid material is ensured, the cooling of the material in the mold is accelerated, the time of the injection molding process is shortened, and the efficiency of the injection molding machine is improved.

[0014] As a further preferred technical scheme of the utility model, the hydraulic oil cylinder is provided with the pushing end at one end, and the pushing end and the injection mold are connected and installed through the positioning connecting rod.

[0015] The positioning connecting rod ensures the accuracy of the pushing end of the hydraulic cylinder at one end in guiding the injection mold during pushing.

[0016] Advantages

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1、Through the cooling pipe outside the cooling liquid circulation delivery, the cooling box and the guide box body between the separation setting, in the whole injection molding process mutual influence, guarantee solid material normal melting also accelerate the material cooling in the mold, shorten the injection molding process time, promote the efficiency of injection molding machine injection molding.

[0019] 2、Through the cooling pipe outside the cooling liquid circulation delivery, in the injection molding process, make the cooling box inside accelerate the material cooling in the mold, and the water does not directly contact with the injection material, in the cooling box in the cooling pipe disc type installation, increase the cooling effect in the cooling box, thereby guaranteeing the cooling of the injection material while not directly contacting with the material itself. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structure schematic diagram of the utility model;

[0021] Figure 2 It is the sectional structure schematic diagram of the utility model;

[0022] Figure 3 It is the right view sectional structure schematic diagram of the cooling box of the utility model;

[0023] Figure 4 It is the left view sectional structure schematic diagram of the cooling box of the utility model.

[0024] In the drawing: 1, injection molding machine frame; 11, bearing frame; 2, mold machine frame; 21, protective shell; 22, hydraulic cylinder; 23, pushing end; 24, positioning connecting rod; 25, injection mold; 3, cooling box; 31, outer mold; 32, cooling pipe; 33, input end; 34, lead-out end; 35, guide port; 4, guide box body; 41, barrel; 42, guide screw; 43, nanometer infrared heating ring; 44, mounting bracket; 45, hopper; 5, positioning bracket; 51, main shaft motor. DETAILED DESCRIPTION

[0025] The embodiment is an injection structure for injection molding machine.

[0026] The utility model discloses through the water injection mould in the injection moulding process, the water cooling of mould, accelerates its cooling setting. Although greatest degree with the mould contact, accelerates its cooling. But through the water injection mould, will cause the influence of mould in injection, and the water pressure is big and will cause the indentation of mould surface, or directly immerse in plastic material, makes its produce air bubble, influences its normal forming.

[0027] Its structural diagram as Figures 1-4 The utility model discloses an injection structure of injection molding integrated molding for injection molding machine, including injection molding machine frame 1, fixedly installed mould frame 2 in one side of injection molding machine frame 1 and fixedly installed guide material box body 4 in the top of injection molding machine frame 1, the top of injection molding machine frame 1 is fixedly installed with bearing frame 11, and guide material box body 4 bottom is welded and installed with bearing frame 11 through mounting bracket 44. Through the dismounting of bearing frame 11, the maintenance replacement of guide material box body 4 is carried out.

[0028] Still include fixedly installed main shaft motor 51 for driving guide material in one end of guide material box body 4, and the fixed mounting of positioning frame 5 is carried out on mounting bracket 44 and is located the position of main shaft motor 51, and main shaft motor 51 is fixedly installed on positioning frame 5. The positioning installation of main shaft motor 51 is carried out, guarantees the cooperation of main shaft motor 51 and guide material box body 4 and drives guide material. Welded installation has material cylinder 41 in guide material box body 4, and fixedly installed hopper 45 extending into material cylinder 41 in the top of guide material box body 4, and guide material screw rod 42 is rotatably installed in material cylinder 41, and one end of guide material screw rod 42 is connected and driven through the output end of main shaft motor 51 and penetrates material cylinder 41, and fixedly installed multiple groups of nanometer infrared heating rings 43 between the outside one circle of material cylinder 41 and guide material box body 4. Through the increase of injection material particles in hopper 45, the nanometer infrared heating ring 43 of outside one circle of material cylinder 41 heats the plastic particles, and makes it melt into fluidity liquid, and guide material screw rod 42 is driven in material cylinder 41 by main shaft motor 51, and the liquid material is guided, and the nanometer infrared heating ring 43 forms a heating cavity in guide material box body 4, guarantees that the solid material in material cylinder 41 completely melts.

[0029] The cooling box 3 is fixedly installed on the top of the injection molding machine frame 1 at the other end of the material guide box 4, and the outer mold 31 is welded and installed on one side of the cooling box 3. A material guide hole 35 is formed on the shell between the cooling box 3 and the material guide box 4, and one end of the barrel 41 is connected to the outer mold 31 through the material guide pipe penetrating the material guide box 4. The cooling pipe 32 is fixedly installed on the inner wall of the cooling box 3, and the cooling pipe 32 penetrates the cooling box 3 at both ends to form a discharge end 34 and an input end 33. The cooling liquid is circulated outside the cooling pipe 32, which accelerates the cooling of the material in the mold during the injection molding process. The cooling box 3 and the material guide box 4 are separately arranged and do not affect each other during the entire injection molding process, which ensures the normal melting of the solid material and accelerates the cooling of the material in the mold, shortens the injection molding process time, and improves the efficiency of the injection molding machine.

[0030] The protective shell 21 is fixedly installed on the top of the mold frame 2, the hydraulic oil cylinder 22 is fixedly installed in the mold frame 2, and the injection mold 25 is installed at one end of the hydraulic oil cylinder 22 and cooperates with the outer mold 31 for injection molding. The hydraulic oil cylinder 22 is provided with a pushing end 23 at one end, and the pushing end 23 is connected and installed between the injection mold 25 through the positioning connecting rod 24. The positioning connecting rod 24 ensures the accuracy of the pushing end 23 of the hydraulic oil cylinder 22 during the pushing process.

[0031] In the first embodiment, the injection material particles are added to the inside of the hopper 45, the plastic particles are heated by the nanometer infrared heating ring 43 outside the barrel 41 to melt into a liquid, the hydraulic oil cylinder 22 synchronously pushes the pushing end 23 at one end to make the injection mold 25 cooperate with the outer mold 31 to form an injection cavity, and the barrel 41 is connected to the outer mold 31 through the material guide pipe penetrating the material guide box 4 to guide the material into the outer mold 31 for injection molding.

[0032] In the second embodiment, when the material is introduced into the outer mold 31, the cooling liquid is circulated outside the cooling pipe 32 in the cooling box 3, which accelerates the cooling of the material in the mold during the injection molding process. The cooling box 3 and the material guide box 4 are separately arranged and do not affect each other during the entire injection molding process, which ensures the normal melting of the solid material and accelerates the cooling of the material in the mold, shortens the injection molding process time, and improves the efficiency of the injection molding machine.

[0033] All technical features in the embodiments can be freely combined according to actual needs.

[0034] The above embodiment is a preferred implementation scheme of the present application, in addition to this, the present application can be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.

Claims

1. An injection structure of an injection integrated molding for an injection molding machine, characterized by, The utility model provides an injection molding machine, including injection molding machine frame (1), the mould frame (2) of fixed installation one side of injection molding machine frame (1), the material guiding box (4) of fixed installation top of injection molding machine frame (1), the main shaft motor (51) of fixed installation one end for driving material guiding of material guiding box (4), the cooling box (3) of fixed installation top of injection molding machine frame (1) is located the other end of material guiding box (4), the outer mould (31) of welded installation one side of cooling box (3), the protective shell (21) of fixed installation top of mould frame (2), the hydraulic cylinder (22) of fixed installation inside mould frame (2) and install injection molding die (25) in one end of hydraulic cylinder (22) with the cooperation injection of outer mould (31).

2. The integrally injection molded injection structure for an injection molding machine according to claim 1, characterized by: The top of the injection molding machine frame (1) is fixedly installed with a bearing frame (11), and the bottom of the material guiding box (4) is welded and installed with the bearing frame (11) through a mounting frame (44).

3. The integrally injection molded injection structure for an injection molding machine according to claim 2, characterized by: The mounting frame (44) is fixedly installed with a positioning frame (5) at the position of the main shaft motor (51), and the main shaft motor (51) is fixedly installed on the positioning frame (5).

4. The integrally injection molded injection structure for an injection molding machine according to claim 1, characterized by: The inside of the material guiding box (4) is welded with a barrel (41), the top of the material guiding box (4) is fixedly installed with a hopper (45) extending into the barrel (41), the inside of the barrel (41) is rotatably installed with a material guiding screw (42), one end of the material guiding screw (42) is connected and driven through the output end of the main shaft motor (51) penetrating the barrel (41), and a plurality of groups of nano infrared heating rings (43) are fixedly installed between the outside of the barrel (41) and the material guiding box (4).

5. The integrally injection molded injection structure for an injection molding machine according to claim 4, characterized by: The shell between the cooling box (3) and the material guiding box (4) is provided with a material guiding opening (35), one end of the barrel (41) is connected and installed with the outer mould (31) through a material guiding pipe penetrating the material guiding box (4), the inner wall of the cooling box (3) is fixedly installed with a cooling pipe (32), and the both ends of the cooling pipe (32) are respectively provided with a leading end (34) and an input end (33) penetrating the cooling box (3).

6. The integrally injection molded injection structure for an injection molding machine according to claim 1, characterized by: One end of the hydraulic cylinder (22) is provided with a pushing end (23), and the pushing end (23) and the injection molding die (25) are connected and installed through a positioning connecting rod (24).

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