Plastic product processing injection molding device with ejection function

Abstract

The utility model discloses a plastic product processing injection molding device with an ejection function, which comprises an outer layer structure, one end of the outer layer structure is provided with an ejection structure, and the other end of the outer layer structure is provided with a pressing structure. The ejection structure comprises an ejection motor, a first fixing plate, a guide rod, a threaded rod, a threaded sleeve, a first transmission plate, a guide sleeve, a second transmission plate, a reset spring, an electric telescopic rod, a mold cavity, a first mold and an ejection hole. The injection mold has the beneficial effects that the ejection structure has a sectional ejection function of the mold and an injection molding finished product, a lower mold and the finished product can be respectively ejected out, a better adjusting function is realized, and meanwhile, the outer layer structure has a certain plastic liquid heat preservation function, so that the injection mold is convenient to use. The heat preservation effect and the cooling effect can be switched according to the actual using process.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic injection molding equipment, in particular to a plastic product processing injection molding device with an ejection function. Background Art

[0002] Plastic is a polymer compound, which is polymerized by addition or condensation reaction with monomers as raw materials. It forms three indispensable synthetic materials in daily life with synthetic rubber and synthetic fiber. Plastic is a material with natural or synthetic resin as main component, with various additives added, which can be molded into a certain shape under certain temperature and pressure conditions and keep the shape unchanged at room temperature. Plastic products are a general term for daily necessities and industrial products made of plastic as main raw material. In the process of processing plastic products, injection molding machines are usually required for processing. Injection molding machines are the main molding equipment for plastic products of various shapes made of thermoplastic plastics or thermosetting plastics using plastic molding molds. They can press molten plastic into the inside of the mold cavity for processing.

[0003] After the plastic is molded, the existing plastic product processing injection molding device usually needs manual or mechanical demoulding of a single finished product, and the ejection operation of the lower mold cannot be performed, which affects the working efficiency of the device.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a plastic product processing injection molding device with an ejection function, which has a segmented ejection function and a certain temperature control function, thereby solving the problems existing in the prior art.

[0007] (II) Technical solution

[0008] In order to realize the above-mentioned segmented ejection function and certain temperature control function, the specific technical scheme adopted by the utility model is as follows:

[0009] A plastic product processing injection molding device with an ejection function comprises an outer layer structure, one end of the outer layer structure is equipped with an ejection structure, and the other end of the outer layer structure is equipped with a pressing structure.

[0010] Furthermore, the outer structure includes a fitting block, an injection channel, a temperature control cavity, and a fitting cavity. The injection channels penetrate both sides of the fitting block, a temperature control cavity is opened inside the fitting block, and a fitting cavity is hollowed out in the center of the fitting block.

[0011] Furthermore, the ejection structure includes an ejection motor, a first fixed plate, a guide rod, a threaded rod, a threaded sleeve, a first transmission plate, a guide sleeve, a second transmission plate, a return spring, an electric telescopic rod, a mold cavity, a first mold, and an ejection hole. The bottom end of the ejection motor is fixedly connected to the first fixed plate, guide rods are provided on both sides of the ejection motor, one end of the guide rod is fixedly connected to the first fixed plate, and the driving end of the ejection motor is transmission-connected to the threaded rod.

[0012] Furthermore, a threaded sleeve is connected to the threaded rod through a threaded transmission, the threaded sleeve is fixedly connected to a first transmission plate, guide sleeves are fixedly connected to both sides of the first transmission plate, a return spring is sleeved on one end of the guide sleeve, and a second transmission plate is installed on one end of the return spring.

[0013] Furthermore, the second transmission plate is fixedly connected to the guide sleeve, and the center of one end of the second transmission plate is connected to the driving end of the electric telescopic rod. The electric telescopic rod is fixedly installed on the mold cavity, and the mold cavity is provided with a first mold, and the first mold is provided with an ejection hole.

[0014] Furthermore, one end of the guide sleeve is slidably connected in the ejection hole, the mold cavity is sealingly slidably installed in the mating cavity, and the mold cavity is slidably connected with one end of the guide sleeve.

[0015] Furthermore, the pressing structure includes a hydraulic telescopic rod, a second fixed plate, a limiting sleeve rod, a second mold, an injection inlet, and an injection outlet. One end of the hydraulic telescopic rod is fixedly connected to the second fixed plate, and limiting sleeve rods are installed on both sides of the hydraulic telescopic rod.

[0016] Furthermore, a second mold is fixedly connected between the movable end of the limiting sleeve and the end of the driving end of the hydraulic telescopic rod, an injection molding inlet is opened on one side of the second mold, an injection molding outlet is opened on one end surface of the second mold, and the injection molding inlet is connected to the injection molding outlet.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the utility model provides a plastic product processing injection molding device with an ejection function, which has the following beneficial effects:

[0019] The ejection structure provided in the utility model has a segmented ejection function of the mold and the injection molded product, can eject the lower mold and the finished product respectively, and has a good adjustment function. At the same time, the outer layer structure has a certain plastic liquid insulation function, and the insulation effect and the cooling effect can be switched according to the actual use process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the main structure of a plastic product processing injection molding device with ejection function according to an embodiment of the utility model;

[0022] Figure 2 It is a schematic diagram of the outer structure of a plastic product processing injection molding device with ejection function according to an embodiment of the utility model;

[0023] Figure 3 It is a top view of the ejection structure of the plastic product processing injection molding device with ejection function according to the embodiment of the utility model;

[0024] Figure 4 It is a cross-sectional view of the ejection structure of the plastic product processing injection molding device with ejection function according to the embodiment of the utility model;

[0025] Figure 5 It is a schematic diagram of the pressing structure of the plastic product processing injection molding device with ejection function according to an embodiment of the utility model;

[0026] Figure 6 It is a bottom view of the pressing structure of the plastic product processing injection molding device with ejection function according to the embodiment of the utility model.

[0027] In the figure:

[0028] 1. Outer structure; 101. Fitting block; 102. Injection channel; 103. Temperature control chamber; 104. Fitting chamber; 2. Ejection structure; 201. Ejection motor; 202. First fixed plate; 203. Guide rod; 204. Threaded rod; 205. Threaded sleeve; 206. First transmission plate; 207. Guide sleeve; 208. Second transmission plate; 209. Return spring; 210. Electric telescopic rod; 211. Mold cavity; 212. First mold; 213. Ejection hole; 3. Pressing structure; 301. Hydraulic telescopic rod; 302. Second fixed plate; 303. Limiting sleeve rod; 304. Second mold; 305. Injection inlet; 306. Injection outlet. DETAILED DESCRIPTION

[0029] For further explanation, the present invention is provided with accompanying drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0030] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-6 As shown, it comprises an outer layer structure 1, a push-out structure 2 is installed at one end of the outer layer structure 1, and a push-down structure 3 is installed at the other end of the outer layer structure 1.

[0031] The outer layer structure 1 is connected to the injection molding machine, the ejection structure 2 ejects the mold and the finished plastic in sections, and the pressing structure 3 completes the pressing of the mold, and then the injection molding operation is performed.

[0032] The outer layer structure 1 includes a fitting block 101, an injection channel 102, a temperature control cavity 103, and a fitting cavity 104. The injection channel 102 runs through both sides of the fitting block 101, the temperature control cavity 103 is opened inside the fitting block 101, and the fitting cavity 104 is hollowed out in the center of the fitting block 101.

[0033] The fitting cavity 104 in the fitting block 101 of the outer layer structure 1 is the main place for injection molding. The injection liquid enters the downward pressure structure 3 through the injection channel 102. The temperature control cavity 103 is used to fill the cavity with insulation gas to prevent the injection liquid from cooling prematurely and to inject low-temperature medium to accelerate the cooling and molding of the injection liquid. It can be changed according to actual operations.

[0034] The ejection structure 2 includes an ejection motor 201, a first fixed plate 202, a guide rod 203, a threaded rod 204, a threaded sleeve 205, a first transmission plate 206, a guide sleeve 207, a second transmission plate 208, a return spring 209, an electric telescopic rod 210, a mold cavity 211, a first mold 212, and an ejection hole 213. The bottom end of the ejection motor 201 is fixedly connected to the first fixed plate 202, guide rods 203 are provided on both sides of the ejection motor 201, one end of the guide rod 203 is fixedly connected to the first fixed plate 202, the driving end of the ejection motor 201 is transmission-connected to the threaded rod 204, the threaded sleeve 205 is threadedly transmission-connected on the threaded rod 204, and the threaded sleeve 205 is fixedly connected to the first transmission plate 2 06, guide sleeves 207 are fixedly connected to both sides of the first transmission plate 206, one end of the guide sleeve 207 is sleeved with a return spring 209, one end of the return spring 209 is installed with a second transmission plate 208, the second transmission plate 208 is fixedly connected to the guide sleeve 207, one end of the second transmission plate 208 is centrally connected to the driving end of the electric telescopic rod 210, the electric telescopic rod 210 is fixedly installed on the mold cavity 211, the mold cavity 211 is provided with a first mold 212, the first mold 212 is provided with an ejection hole 213, one end of the guide sleeve 207 is slidably connected in the ejection hole 213, the mold cavity 211 is sealed and slidably installed in the fitting cavity 104, the mold cavity 211 is slidably connected with one end of the guide sleeve 207.

[0035] The ejection motor 201 of the ejection structure 2 drives the threaded rod 204 to transmit the threaded sleeve 205, the threaded sleeve 205 transmits the first transmission plate 206, the second transmission plate 208 transmits through the guide sleeve 207, the guide sleeve 207 transmits the second transmission plate 208, the second transmission plate 208 transmits the electric telescopic rod 210 as a whole, so that the electric telescopic rod 210 ejects the mold cavity 211 and the first mold 212 thereon, and then under the active telescopic operation of the electric telescopic rod 210, the second transmission plate 208 further transmits, so that one end of the guide sleeve 207 is transmitted to the ejection hole 213 to eject the molded plastic product in the first mold 212, completing the segmented ejection operation.

[0036] The pressing structure 3 includes a hydraulic telescopic rod 301, a second fixed plate 302, a limiting sleeve rod 303, a second mold 304, an injection molding inlet 305, and an injection molding outlet 306. One end of the hydraulic telescopic rod 301 is fixedly connected to the second fixed plate 302, and limiting sleeve rods 303 are installed on both sides of the hydraulic telescopic rod 301. The movable end of the limiting sleeve rod 303 and the end of the driving end of the hydraulic telescopic rod 301 are fixedly connected to the second mold 304. An injection molding inlet 305 is opened on one side of the second mold 304, and an injection molding outlet 306 is opened on one end face of the second mold 304. The injection molding inlet 305 is communicated with the injection molding outlet 306.

[0037] The pressing structure 3 drives the second mold 304 to be pressed down into the fitting cavity 104 through the hydraulic telescopic rod 301 to complete the mold closing with the first mold 212. Then the injection inlet 305 is connected to the injection channel 102 to introduce the plastic liquid, so that the plastic liquid is discharged into the mold through the injection outlet 306. After the plastic product is formed, the pressing structure 3 is reset, and then the ejection structure 2 ejects the finished product.

[0038] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0039] In summary, with the aid of the above-mentioned technical solution of the utility model, the fitting cavity 104 in the fitting block 101 of the outer structure 1 is the main place for injection molding, and the injection liquid enters the downward pressure structure 3 through the injection channel 102. The temperature control cavity 103 is used to fill the cavity with heat preservation gas to prevent the injection liquid from cooling prematurely and to inject low-temperature medium to accelerate the cooling and molding of the injection liquid. It can be changed according to the actual operation. The ejection motor 201 of the ejection structure 2 drives the threaded rod 204 to drive the threaded sleeve 205, and the threaded sleeve 205 drives the first transmission plate 206. The second transmission plate 208 is driven by the guide sleeve 207, and the guide sleeve 207 drives the second transmission plate 208. The second transmission plate 208 drives the electric telescopic rod 210. The electric telescopic rod 210 is driven as a whole, so that the electric telescopic rod 210 ejects the mold cavity 211 and the first mold 212 thereon. Then, under the active telescopic operation of the electric telescopic rod 210, the second transmission plate 208 is further driven, so that one end of the guide sleeve 207 is driven to the ejection hole 213 to eject the molded plastic product in the first mold 212, completing the segmented ejection operation. The pressing structure 3 drives the second mold 304 to be pressed down into the matching cavity 104 through the hydraulic telescopic rod 301 to complete the mold closing with the first mold 212. Then, the injection inlet 305 is connected to the injection channel 102 to introduce the plastic liquid, so that the plastic liquid is led out into the mold through the injection outlet 306. After the plastic product is formed, the pressing structure 3 is reset, and then the ejection structure 2 ejects the finished product.

[0040] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plastic product processing injection molding device with ejection function, characterized in that: It comprises an outer layer structure (1), one end of the outer layer structure (1) is equipped with an ejection structure (2), and the other end of the outer layer structure (1) is equipped with a downward pressing structure (3); The outer layer structure (1) comprises a fitting block (101), an injection channel (102), a temperature control cavity (103), and a fitting cavity (104); the injection channels (102) penetrate through both sides of the fitting block (101); the temperature control cavity (103) is provided inside the fitting block (101); and the fitting cavity (104) is hollowed out in the center of the fitting block (101); The ejection structure (2) comprises an ejection motor (201), a first fixed plate (202), a guide rod (203), a threaded rod (204), a threaded sleeve (205), a first transmission plate (206), a guide sleeve (207), a second transmission plate (208), a return spring (209), an electric telescopic rod (210), a mold cavity (211), a first mold (212), and an ejection hole (213); the bottom end of the ejection motor (201) is fixedly connected to the first fixed plate (202); guide rods (203) are provided on both sides of the ejection motor (201); one end of the guide rod (203) is fixedly connected to the first fixed plate (202); and the driving end of the ejection motor (201) is drivingly connected to the threaded rod (204); The threaded rod (204) is threadedly connected with a threaded sleeve (205), the threaded sleeve (205) is fixedly connected with a first transmission plate (206), both sides of the first transmission plate (206) are fixedly connected with guide sleeves (207), one end of the guide sleeve (207) is sleeved with a return spring (209), and one end of the return spring (209) is mounted with a second transmission plate (208).

2. A plastic product processing injection molding device with ejection function according to claim 1, characterized in that: The second transmission plate (208) is fixedly connected to the guide sleeve (207); one end center of the second transmission plate (208) is connected to the driving end of the electric telescopic rod (210); the electric telescopic rod (210) is fixedly mounted on the mold cavity (211); a first mold (212) is provided on the mold cavity (211); and an ejection hole (213) is opened on the first mold (212).

3. A plastic product processing injection molding device with ejection function according to claim 2, characterized in that: One end of the guide sleeve (207) is slidably connected in the ejection hole (213), the mold cavity (211) is sealingly slidably installed in the mating cavity (104), and the mold cavity (211) is slidably connected with one end of the guide sleeve (207).

4. A plastic product processing injection molding device with ejection function according to claim 3, characterized in that: The pressing structure (3) comprises a hydraulic telescopic rod (301), a second fixed plate (302), a limiting sleeve rod (303), a second mold (304), an injection molding inlet (305), and an injection molding outlet (306); one end of the hydraulic telescopic rod (301) is fixedly connected to the second fixed plate (302), and the limiting sleeve rods (303) are installed on both sides of the hydraulic telescopic rod (301).

5. The plastic product processing injection molding device with ejection function according to claim 4, characterized in that: A second mold (304) is fixedly connected between the movable end of the limiting sleeve rod (303) and the end of the driving end of the hydraulic telescopic rod (301); an injection molding inlet (305) is provided on one side of the second mold (304); an injection molding outlet (306) is provided on one end surface of the second mold (304); and the injection molding inlet (305) is communicated with the injection molding outlet (306).

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