Rapid demolding mold for plastic product processing

Abstract

The utility model discloses a mould capable of quickly demoulding for plastic product processing, and relates to the technical field of plastic product processing. The die comprises a base plate, a lower die assembly is arranged on the upper surface of the base plate, the lower die assembly comprises a fixed die connected to the upper surface of the base plate, a heat conduction die is sleeved with the fixed die, and an air cavity is formed by the inner side wall of the fixed die and the outer side wall of the heat conduction die; and an upper die assembly is arranged above the fixed die. The lower mold assembly is arranged, plastic is effectively prevented from blocking the connecting pipe, hot air is more smoothly conducted into the air cavity, a plastic product in the heat conduction mold is better heated and softened, viscosity is reduced, rapid demolding of the plastic product is facilitated, and the upper mold assembly is arranged, so that an injection needle tube is conveniently pulled upwards; and the lower end of the injection needle tube is not communicated with the interior of the heat conduction mold, plastic in the heat conduction mold is prevented from entering the injection needle tube, and the accuracy of the appearance of a plastic product is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of plastic product processing, especially relates to a mould for plastic product processing with quick demoulding. BACKGROUND

[0002] Plastic product processing refers to the process that plastic material is made into products through a series of processing procedures; the mould is a tool used in plastic product processing, which facilitates production according to the appearance of the required plastic product.

[0003] According to the patent document with the patent announcement number CN218171265U, a kind of plastic product use quick demoulding mould belongs to mould processing technical field, it includes upper die plate and lower die plate, the bottom of lower die plate is fixedly connected with pneumatic box, pneumatic box is fixedly connected with air pump in its interior, the one end of air pump is connected with exhaust pipe, the one end of exhaust pipe away from air pump is connected with shunt pipe, the top of both ends of shunt pipe is connected with connecting pipe, connecting pipe passes through pneumatic box and extends to the interior of lower die plate, the interior of lower die plate is fixedly connected with mould body, the side of connecting pipe is connected with mould body, the interior bottom of lower die plate is fixedly installed with electric telescopic rod, the output end of electric telescopic rod is fixedly connected with push plate;It utilizes air pump to discharge gas into exhaust pipe interior, and via shunt pipe into connecting pipe interior, to generate gap between the part shaped in mould body interior and mould body, and utilize the electric telescopic rod set to lift the part on push plate.

[0004] But it still has the following disadvantages in actual use:

[0005] 1, the above-mentioned plastic product use quick demoulding mould, the bottom of lower die plate is fixedly connected with pneumatic box, pneumatic box is fixedly connected with air pump in its interior, the one end of air pump is connected with exhaust pipe, the one end of exhaust pipe away from air pump is connected with shunt pipe, the top of both ends of shunt pipe is connected with connecting pipe, connecting pipe passes through pneumatic box and extends to the interior of lower die plate, the interior of lower die plate is fixedly connected with mould body, the side of connecting pipe is connected with mould body, the interior bottom of lower die plate is fixedly installed with electric telescopic rod, the output end of electric telescopic rod is fixedly connected with push plate;Utilize the pneumatic box set to install air pump, utilize air pump to discharge gas into exhaust pipe interior, and via shunt pipe into connecting pipe interior, to generate gap between the part shaped in mould body interior and mould body, and utilize the electric telescopic rod set to lift push plate, to lift the part, as far as possible to speed up the demoulding speed of part in mould body interior, but, there will be mould interior plastic machine connecting pipe interior, will cause connecting pipe blockage, affect the gas into the interior of mould, affect the demoulding efficiency of plastic product;

[0006] 2. The quick demolding mold for plastic products of the preceding claim, the bottom end of the upper mold plate is fixedly connected with a pressing plate, and the pressing plate is matched with the top end of the mold body, the top end of the upper mold plate is provided with a feeding pipe, the bottom end of the feeding pipe is connected with an adapter pipe, an electromagnetic valve is installed on one side of the adapter pipe, and the bottom end of the adapter pipe penetrates through the upper mold plate and extends into the inside of the pressing plate, the liquid plastic is discharged into the inside of the mold body in the lower mold plate through the feeding pipe and the adapter pipe controlled by the electromagnetic valve, but in the process of injection molding, the plastic enters the inside of the adapter pipe, the upper part of the plastic product protrudes, the appearance molding of the plastic product is affected, and the processing quality of the plastic product is reduced.

[0007] Therefore, the quick demolding mold for plastic product processing is provided to solve the above problems. Content of the utility model

[0008] The utility model discloses a quick demolding mold for plastic product processing, which effectively prevents plastic from entering the inside of the connecting pipe, facilitates the smooth entry of hot gas into the inside of the air cavity, better heats and softens the plastic product in the heat conduction mold, facilitates the quick demolding of the plastic product, and sets the upper mold assembly, conveniently pulls up the injection needle tube, makes the injection needle tube not communicate with the inside of the heat conduction mold, effectively prevents the plastic in the heat conduction mold from entering the inside of the injection needle tube, avoids the adverse effect on the appearance of the plastic product, and solves the technical problems in the background technology of the quick demolding mold for plastic products.

[0009] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0010] The utility model discloses a quick demolding mold for plastic product processing, which effectively prevents plastic from entering the inside of the connecting pipe, facilitates the smooth entry of hot gas into the inside of the air cavity, better heats and softens the plastic product in the heat conduction mold, facilitates the quick demolding of the plastic product, and sets the upper mold assembly, conveniently pulls up the injection needle tube, makes the injection needle tube not communicate with the inside of the heat conduction mold, effectively prevents the plastic in the heat conduction mold from entering the inside of the injection needle tube, avoids the adverse effect on the appearance of the plastic product, and solves the technical problems in the background technology of the quick demolding mold for plastic products.

[0011] The utility model further sets up, the upper end of height -adjusting hydraulic cylinder connected on the lower surface of base plate is connected with height -adjusting hydraulic rod, the upper end of height -adjusting hydraulic rod is from below to above in proper order and penetrates the lower surface of fixed mould and base plate, and the upper end of height -adjusting hydraulic rod is connected in the lower surface middle part of push plate.

[0012] The utility model further sets up, the sealing ring of push plate's outside wall is in the form of a Chinese character, and the outside wall of sealing ring is in contact with the inside wall of heat conduction mould.

[0013] The utility model further sets up, the inside top of setting frame connected on the upper surface of base plate is in the form of U, and the lower end of lifting hydraulic cylinder connected on the inside top of setting frame is connected with lifting hydraulic rod, and the lower end of lifting hydraulic rod is connected in the upper surface middle part of movable mould.

[0014] The utility model further sets up, the upper surface of base plate is connected with guide shaft in rectangular array, and the side wall of movable mould is fixed with lug block in rectangular array, and the upper surface of lug block is provided with through -hole, and the upper end of guide shaft penetrates through through -hole.

[0015] The utility model further sets up, the limiting nut of guide shaft's circumferential wall is located lug block's top, and the limiting nut's outer diameter size is greater than the inner diameter size of through -hole, and the lower surface of movable mould is provided with sealing ring.

[0016] The utility model further sets up, the lower surface of base plate is provided with bracket assembly, and the bracket assembly contains setting plate setting in the lower of base plate, and the upper surface of setting plate is connected with the upper surface of support in the lower surface of base plate, and the upper surface of setting plate is connected with bolt in screw thread.

[0017] The utility model further sets up, the support is provided with four, and the support is in the form of H, and the bolt is provided with four.

[0018] The utility model has the advantages of following:

[0019] 1、 the utility model discloses a lower mould assembly, starts pumping and imports the inside of air cavity to the heat of connecting pipe and inlet pipe, heats the heat conduction mould, heats and softens the plastic product in the heat conduction mould, reduces the adhesion between plastic product and heat conduction mould, then, starts height -adjusting hydraulic cylinder, and height -adjusting hydraulic rod stretches, and push plate pushes upwards and pushes plastic product, makes plastic product remove the inside of heat conduction mould, realizes the quick stripping of plastic product, and avoids that plastic enters the inside of connecting pipe, effectively prevents that the inside of connecting pipe enters plastic and is blocked, and better imports the heat of air cavity inside.

[0020] 2, the utility model discloses a upper die assembly is set up, and the lifting hydraulic cylinder is started, and the lifting hydraulic rod is stretched, and the movable die is close to the fixed die downwards, until the fixed die and movable die contact, realize closing mould, and the upper end of the external material pump is communicated with injection needle tube, and the external material pump is started, and the inside of heat conduction mould is injected through injection needle tube, after injection molding is completed, injection needle tube is pulled upwards, and the lower end of injection needle tube hides into the inside of rubber plug, so that injection needle tube is not communicated with the inside of heat conduction mould, effectively avoid the plastic in the inside of heat conduction mould to enter the inside of injection needle tube, and it is favorable to the appearance accuracy of plastic product.

[0021] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages described above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be needed to use the drawing described briefly introduced.

[0023] Figure 1 It is a stereogram of the mould of plastic product processing that can be demoulded quickly;

[0024] Figure 2 It is the connection diagram of fixed die and pump;

[0025] Figure 3 It is the connection profile diagram of fixed die and heat conduction mould;

[0026] Figure 4 It is the exploded diagram of setting plate, height-adjusting hydraulic cylinder, fixed die and push plate;

[0027] Figure 5 It is the exploded diagram of base plate, guide shaft, movable die and ear block.

[0028] In the drawings, the component list represented by each sign is as follows:

[0029] 1-base plate, 101-guide shaft, 101a-limiting nut, 2-lower die assembly, 201-fixed die, 201a-heat conduction mould, 201b-air cavity, 202-push plate, 202a-sealing ring, 202b-height-adjusting hydraulic cylinder, 202c-height-adjusting hydraulic rod, 203-pump base, 203a-pump, 203b-connection pipe, 203c-air inlet pipe, 203d-air outlet pipe, 204-valve, 3-upper die assembly, 301-setting frame, 302-lifting hydraulic cylinder, 302a-lifting hydraulic rod, 303-movable die, 303a-feeding pipe, 303b-rubber plug, 303c-injection needle tube, 304-ear block, 304a-through hole, 4-bracket assembly, 401-setting plate, 402-leg, 403-bolt. DETAILED DESCRIPTION

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0031] Example 1

[0032] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 This utility model is a mold for quick demolding of plastic products, including a base plate 1. A lower mold assembly 2 is provided on the upper surface of the base plate 1. The lower mold assembly 2 includes a fixed mold 201, a heat-conducting mold 201a, an air cavity 201b, a push plate 202, a sealing ring 202a, a height-adjusting hydraulic cylinder 202b, a height-adjusting hydraulic rod 202c, a pump base 203, a suction pump 203a, a connecting pipe 203b, an air inlet pipe 203c, an air outlet pipe 203d, and a valve 204. By operating the suction pump 203a, hot air is introduced into the interior of the air cavity 201b to heat the heat-conducting mold 201a and soften the plastic product. By operating the height-adjusting hydraulic cylinder 202b, the push plate 202 moves upward, causing the plastic product to move out of the interior of the heat-conducting mold 201a, thereby achieving quick demolding of the plastic product.

[0033] Specifically, a fixed mold 201 is connected to the upper surface of the substrate 1, and a heat-conducting mold 201a is sleeved inside the fixed mold 201. The outer sidewall of the heat-conducting mold 201a and the inner sidewall of the fixed mold 201 form an air cavity 201b. A pump seat 203 is connected to the lower surface of the pump 203a, and the lower surface of the pump seat 203 is connected to the upper surface of the substrate 1. One end of the pump 203a is connected to a connecting pipe 203b, and the other end of the pump 203a is connected to an air inlet pipe 203c. One end of the air inlet pipe 203c communicates with the interior of the air cavity 201b. The end of the air pipe 203d is connected to the interior of the air chamber 201b. Valves 204 are connected to the peripheral walls of the air inlet pipe 203c and the air outlet pipe 203d. The push plate 202 is movably disposed at the inner bottom of the heat-conducting mold 201a, and a sealing ring 202a is sleeved on the outer wall of the push plate 202. The lower end of the height-adjusting hydraulic rod 202c connected to the lower surface of the push plate 202 passes through the heat-conducting mold 201a, the fixed mold 201 and the base plate 1. The upper end of the height-adjusting hydraulic cylinder 202b connected to the lower end of the height-adjusting hydraulic rod 202c is connected to the lower surface of the base plate 1.

[0034] Furthermore, the lower surface of the heat-conducting mold 201a does not contact the inner bottom of the fixed mold 201, and the sealing ring 202a is in the shape of a U-shape.

[0035] The operation process of the embodiment is as follows: when the plastic product inside the fixed mold 201 needs to be demolded, the worker connects the connecting pipe 203b with the external hot gas tank, starts the pump 203a, and the hot gas enters the inside of the air cavity 201b through the connecting pipe 203b, the pump 203a and the air inlet pipe 203c to heat the heat-conducting mold 201a. After the heat-conducting mold 201a is heated, the plastic product is heated and softened, the adhesion between the plastic product and the heat-conducting mold 201a is reduced, the height-adjusting hydraulic cylinder 202b is started, the height-adjusting hydraulic rod 202c is stretched, the push plate 202 moves upward, the plastic product moves out of the inside of the heat-conducting mold 201a, and the rapid demolding of the plastic product is realized; when the height-adjusting hydraulic rod 202c is retracted, the push plate 202 moves downward until the push plate 202 contacts the inner bottom of the heat-conducting mold 201a.

[0036] Embodiment 2

[0037] Please refer to Figure 1 and Figure 5 On the basis of the specific embodiment one, the upper mold assembly 3 is provided, which comprises a mounting frame 301, a lifting hydraulic cylinder 302, a lifting hydraulic rod 302a, a movable mold 303, a feeding pipe 303a, a rubber plug 303b, an injection needle pipe 303c and an ear block 304. The injection needle pipe 303c is arranged to introduce plastic into the inside of the heat-conducting mold 201a, and by pulling the injection needle pipe 303c upward to move upward, the lower end of the injection needle pipe 303c is hidden in the inside of the rubber plug 303b, which effectively prevents the plastic in the inside of the heat-conducting mold 201a from entering the inside of the injection needle pipe 303c, and effectively prevents the plastic product from being inaccurate in shape.

[0038] Specifically, the upper surface of the base plate 1 is connected with a guide shaft 101, the circumferential wall of the guide shaft 101 is threadedly connected with a limiting nut 101a, the mounting frame 301 is connected to the upper surface of the base plate 1, the upper end of the lifting hydraulic cylinder 302 is connected to the inner top of the mounting frame 301, the lower end of the lifting hydraulic cylinder 302 is connected with the lifting hydraulic rod 302a, the lower end of the lifting hydraulic rod 302a is connected with the movable mold 303, the side wall of the movable mold 303 is fixedly connected with the ear block 304, the upper surface of the ear block 304 is provided with a through hole 304a, the upper end of the guide shaft 101 penetrates through the through hole 304a, and the ear block 304 is located below the limiting nut 101a, the movable mold 303 is located above the fixed mold 201, the feeding pipe 303a is communicated on the upper surface of the movable mold 303, and the inside of the feeding pipe 303a is threadedly connected with the rubber plug 303b, and the rubber plug 303b is provided with the injection needle pipe 303c.

[0039] Further, the four guide shafts 101 are arranged in a rectangular array, the mounting frame 301 is in a U shape, and the four ear blocks 304 are arranged in a rectangular array.

[0040] The operation process of the embodiment is as follows: the staff starts the lifting hydraulic cylinder 302, when the lifting hydraulic rod 302a is stretched, the ear block 304 moves downward along the guide shaft 101, the movable mold 303 approaches the fixed mold 201 downward, until the fixed mold 201 contacts with the movable mold 303, that is, the mold is closed, the upper end of the injection needle tube 303c is communicated with the external material pump, the external material pump is started, the plastic is introduced into the inside of the injection needle tube 303c, then the plastic is introduced into the inside of the heat conduction mold 201a, after the injection molding is completed, the injection needle tube 303c is pulled upward, the lower end of the injection needle tube 303c is hidden in the inside of the rubber plug 303b; when the lifting hydraulic rod 302a is retracted, the movable mold 303 is away from the fixed mold 201 upward, that is, the mold is opened.

[0041] Embodiment 3

[0042] Please refer to Figure 1 On the basis of the specific embodiment one and the specific embodiment two, the bracket assembly 4 is provided, the bracket assembly 4 includes the installation plate 401, the supporting leg 402 and the bolt 403, the bolt 403 is arranged for disassembling the bracket assembly 4, the supporting leg 402 is arranged to make the gap between the installation plate 401 and the base plate 1, facilitating the disassembly and the gap of the hydraulic cylinder 202b;

[0043] Specifically, the installation plate 401 is arranged below the base plate 1, and the upper surface of the installation plate 401 is connected with the supporting leg 402, the upper surface of the supporting leg 402 is connected to the lower surface of the base plate 1, and the bolt 403 is threadedly connected to the upper surface of the installation plate 401;

[0044] Further, the four supporting legs 402 are arranged in a rectangular array, and the supporting leg 402 is in the shape of an I-beam, and the four bolts 403 are arranged in a rectangular array;

[0045] The operation process of the embodiment is as follows: the staff places the installation plate 401 on the installation surface, rotates the bolt 403 counterclockwise, locks and connects the installation plate 401 on the installation surface, and locks the bracket assembly 4 on the installation surface; conversely, the bracket assembly 4 is disassembled from the installation surface.

[0046] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0047] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A mold for processing plastic products, which can be quickly demolded, comprising a base plate (1), characterized in that: The upper surface of the substrate (1) is provided with a lower mold assembly (2), the lower mold assembly (2) comprises a fixed mold (201) connected to the upper surface of the substrate (1), the inside of the fixed mold (201) is sleeved with a heat conduction mold (201a), the inner side wall of the fixed mold (201) and the outer side wall of the heat conduction mold (201a) form an air cavity (201b), the upper surface of the pump seat (203) connected to the upper surface of the substrate (1) is connected with a pump (203a), one end of the pump (203a) is communicated with a connecting pipe (203b), the other end of the pump (203a) is communicated with the end of the air inlet pipe (203c), the end of the air outlet pipe (203d) connected to the outer side wall of the fixed mold (201) is communicated with the inside of the air cavity (201b), the air inlet pipe (203c) and the air outlet pipe (203d) are both connected with a valve (204). The upper surface of the fixed mold (201) is provided with an upper mold assembly (3), the upper mold assembly (3) comprises a movable mold (303) arranged above the fixed mold (201), the inside of the air inlet pipe (303a) communicated with the upper surface of the movable mold (303) is threadedly connected with a rubber plug (303b), the upper surface of the rubber plug (303b) is provided with an injection needle tube (303c).

2. The rapid demolding mold for processing plastic products according to claim 1, characterized in that: The upper end of the height adjusting hydraulic cylinder (202b) connected to the lower surface of the substrate (1) is connected with a height adjusting hydraulic rod (202c), the upper end of the height adjusting hydraulic rod (202c) penetrates the lower surface of the substrate (1) and the fixed mold (201) from bottom to top, and the upper end of the height adjusting hydraulic rod (202c) is connected to the lower surface of the middle part of the push plate (202).

3. The rapid demolding mold for processing plastic products according to claim 2, characterized in that: The sealing ring (202a) sleeved on the outer side wall of the push plate (202) is in the shape of a back-to-back character, and the outer side wall of the sealing ring (202a) is in contact with the inner side wall of the heat conduction mold (201a).

4. The rapid demolding mold for processing plastic products according to claim 1, characterized in that: The placement rack (301) connected to the upper surface of the substrate (1) is in the shape of a U, the lower end of the lifting hydraulic cylinder (302) connected to the inner top of the placement rack (301) is connected with a lifting hydraulic rod (302a), and the lower end of the lifting hydraulic rod (302a) is connected to the upper surface of the middle part of the movable mold (303).

5. A rapid demoulding mould for processing plastic articles according to claim 4, characterized in that: The upper surface of the substrate (1) is connected with guide shafts (101) in a rectangular array, the side walls of the movable mold (303) are fixedly connected with ear blocks (304) in a rectangular array, the upper surface of the ear block (304) is provided with a through hole (304a), and the upper end of the guide shaft (101) penetrates the through hole (304a).

6. The rapid demolding mold for processing plastic products according to claim 5, characterized in that: The limiting nut (101a) threadedly connected to the circumferential side wall of the guide shaft (101) is located above the ear block (304), the outer diameter of the limiting nut (101a) is larger than the inner diameter of the through hole (304a), and the lower surface of the movable mold (303) is provided with a sealing ring (202a).

7. The rapid demolding mold for processing plastic products according to claim 1, characterized in that: The lower surface of the substrate (1) is provided with a support assembly (4), the support assembly (4) comprises a placing plate (401) arranged below the substrate (1), the upper surface of the placing plate (401) is connected with the upper surface of a supporting leg (402) connected on the lower surface of the substrate (1), and the upper surface of the placing plate (401) is threadedly connected with a bolt (403).

8. The rapid demolding mold for processing plastic products according to claim 7, characterized in that: The supporting leg (402) is provided with four supporting legs (402), and the supporting leg (402) is in an I-shaped structure, and the bolt (403) is provided with four bolts (403).

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