Plastic product mold convenient to demold

Abstract

The utility model discloses a plastic product mould convenient to demould, which relates to the technical field of moulds and particularly comprises a main body, a trough is arranged on the inner side of the main body, two movable cavities which are symmetrically distributed are arranged at the bottom end of the trough, the top ends of the movable cavities are communicated with the trough, the inner sides of the movable cavities are movably connected with sealing bolts, and the sealing bolts are arranged on the inner side of the main body. The top end of the sealing bolt is matched with the top end of the movable cavity, a first spring is fixedly connected to the upper end of the inner side of the movable cavity, the bottom end of the first spring is fixedly connected with the sealing bolt, a permanent magnet ring is fixedly connected to the bottom end of one side of the sealing bolt, and an electromagnet is fixedly connected to the inner side of the movable cavity. According to the utility model, the sealing bolt can extend upwards through the interaction of the electromagnet and the permanent magnet ring, so that a release agent in the liquid tank can be uniformly sprayed to the inner side of the trough through the spray head by utilizing the liquid pump to form an isolating layer, and the demolding is more convenient after an object is formed.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely is a kind of plastic product mould convenient to demould. BACKGROUND

[0002] Plastic product is the life, industrial product of the general term of the main raw material processing of plastic, including all crafts products, such as injection molding, blister, of plastic raw material, plastic is a class of synthetic polymer materials with plasticity, it and synthetic rubber, synthetic fiber form the indispensable three synthetic materials of daily life, it is usually needed to use mould when producing.

[0003] The mould convenient to demould for plastic product production in Chinese utility model patent application publication specification CN221496855U, although, through knob to drive connecting block, make connecting block drive lifting plate rise, while fixed on lifting plate on the thimble starts to pass through demoulding hole, in demoulding interval, the mould after forming is jacked up, when product is separated from mould plate, product is taken out, then knob is loosened, under the action of telescopic spring and telescopic rod, lifting plate returns to original position, while thimble returns to mould plate below, the design of above multiple groups of thimble makes the demoulding of product more quickly and conveniently, but, the mould convenient to demould for plastic product production, there is only suitable for some regular surface, edge smooth workpiece, once the shape of workpiece is irregular, using effect is not good The shortcomings of, and the means of auxiliary demoulding is single, when using, cannot reach better use effect problem. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of plastic product mould convenient to demould, solve the problems raised in above background art.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model discloses the following technical scheme to realize: including main part, the inside of main part is equipped with the groove, the bottom of groove is equipped with two movable cavity that is symmetrical distribution, the top of movable cavity is linked with the groove, the inside of movable cavity is movably connected with the sealing plug, the top of sealing plug is adapted with the top of movable cavity, the inside upper end of movable cavity is fixedly connected with first spring, the bottom of first spring is fixedly connected with sealing plug, the bottom of one side of sealing plug is fixedly connected with permanent magnet ring, the inside of movable cavity is fixedly connected with electromagnet, electromagnet is adapted with permanent magnet ring, the inside of sealing plug is equipped with cavity, the upper end of cavity is equipped with the spray head, the inside of two movable cavities is equipped with sealing plug, the bottom of two sealing plugs is connected through the pipe simultaneously, one side of main part is fixedly installed with liquid tank, the bottom one side of main part is fixedly installed with liquid pump, through first connecting pipe fixed connection between liquid pump and liquid tank, the other end of liquid pump is fixedly connected with second connecting pipe, the other end of second connecting pipe is fixedly connected with the pipe.

[0008] Optionally, the number of spray heads is multiple, and the multiple spray heads are arranged in a ring array.

[0009] Optionally, the inside of the main body is fixedly connected with a cooling pipe, and the cooling pipe is composed of multiple layers of interconnected pipes.

[0010] Optionally, both sides of the main body are fixedly connected with box bodies, the number of the box bodies is multiple and arranged in a rectangular array, both sides of the main body are fixedly connected with pads, the number of the pads is multiple, and the multiple pads correspond to the multiple box bodies in position.

[0011] Optionally, the inside of the box body is provided with a transmission cavity, and the inside upper end of the transmission cavity is rotatably connected with a ratchet wheel.

[0012] Optionally, the inside lower end of the transmission cavity is slidably provided with a movable bolt, the upper surface of the movable bolt is fixedly connected with a hook block, and the hook block is adapted to the ratchet wheel.

[0013] Optionally, both sides of the movable bolt are fixedly connected with push blocks, one end of each of the two push blocks is fixedly connected with a second spring, one end of the movable bolt is fixedly connected with a striking head, and the striking head is adapted to the pad.

[0014] Optionally, a helical gear transmission rod is rotatably connected between the two box bodies on one side, and the helical gear transmission rod is fixedly connected with the ratchet wheel.

[0015] Optionally, one side of the main body is fixedly provided with a motor, output shafts of the motor are fixedly connected with rotating rods, one ends of the rotating rods away from each other are fixedly connected with bevel gears, and the bevel gears are engaged with one ends of two bevel gear transmission rods respectively.

[0016] (Three) beneficial effects

[0017] The utility model provides a kind of plastic product mould of easy demoulding, with following beneficial effects:

[0018] 1, the plastic product mould of easy demoulding of this, the sealing bolt can be made to stretch upward by the interaction of electromagnet and permanent magnet ring, so that the release agent in liquid tank can be evenly sprayed to form isolation layer in material groove by using liquid pump via spray head, so that it can be more convenient to demould after article forming.

[0019] 2, the plastic product mould of easy demoulding of this, by passing cold water into cooling pipe inner side, so that the plastic part after forming can be quickly cooled, using the principle of thermal expansion and contraction of article makes plastic part self-demoulding, by ratchet rotation, it can drive movable bolt to move to one side when cooperating with hook block, then using the elastic force of second spring makes movable bolt reset and impact pad block, using the vibration generated by impact also can play the role of demoulding, with multiple demoulding means, so that the effect of mould is better when demoulding, even if irregular shape workpiece is encountered, demoulding can be successfully completed. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the three-dimensional schematic view of the structure of the utility model;

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

[0022] Figure 3 It is the second sectional view schematic view of the structure of the utility model;

[0023] Figure 4 It is the position connection schematic view of ratchet and movable bolt of the utility model;

[0024] Figure 5 It is the schematic view of cooling pipe of the utility model;

[0025] Figure 6 It is the sectional view schematic view of box body structure of the utility model;

[0026] Figure 7 It is the utility model Figure 2 It is the enlarged schematic view of A area structure of the utility model.

[0027] In the figure: 1, main body; 2, trough; 3, movable cavity; 4, sealing bolt; 5, first spring; 6, permanent magnet ring; 7, electromagnet; 8, cavity; 9, spray head; 10, connecting pipe; 11, liquid tank; 12, liquid pump; 13, first connecting pipe; 14, second connecting pipe; 15, cooling pipe; 16, tank; 17, cushion block; 18, transmission cavity; 19, ratchet wheel; 20, movable bolt; 21, hook block; 22, push block; 23, second spring; 24, impact head; 25, helical gear transmission rod; 26, motor; 27, rotating rod; 28, helical gear. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0029] Example 1

[0030] Please refer to Figure 1 , 2The utility model provides technical scheme: a kind of plastic product mould of convenient demoulding, including main body 1, the inner side of main body 1 is equipped with groove 2, the bottom end of groove 2 is equipped with two movable cavities 3 of symmetric distribution, the top of movable cavity 3 is communicated with groove 2, the inner side of movable cavity 3 movably connects with sealing plug 4, the top of sealing plug 4 is adapted with the top of movable cavity 3, the inner side upper end of movable cavity 3 is fixedly connected with first spring 5, the bottom end of first spring 5 is fixedly connected with sealing plug 4, the bottom end of one side of sealing plug 4 is fixedly connected with permanent magnet ring 6, the inner side of movable cavity 3 is fixedly connected with electromagnet 7, electromagnet 7 is adapted with permanent magnet ring 6, the inner side of sealing plug 4 is equipped with cavity 8, the upper end of cavity 8 is equipped with spray head 9, the number of spray head 9 is multiple, multiple spray head 9 is annular array distribution, the inner side of two movable cavities 3 is equipped with sealing plug 4, the bottom end of two sealing plugs 4 is connected simultaneously via parallel connection pipe 10, one side of main body 1 is fixedly installed with liquid tank 11, the bottom end of main body 1 one side is fixedly installed with liquid pump 12, liquid pump 12 is fixedly connected between liquid tank 11 via first connecting pipe 13, the other end of liquid pump 12 is fixedly connected with second connecting pipe 14, second connecting pipe 14 is flexible pipe, the other end of second connecting pipe 14 is fixedly connected with parallel connection pipe 10, the sealing plug 4 can be made to stretch upwards by the interaction of electromagnet 7 and permanent magnet ring 6, so that the release agent in liquid tank 11 can be evenly sprayed to the inner side of groove 2 to form isolation layer by liquid pump 12, so that it can be more convenient to demould after article forming, when using, first power on electromagnet 7, make it produce magnetism and then repel the magnetism of permanent magnet ring 6, so that sealing plug 4 can be pushed upwards, then power on liquid pump 12, and the release agent in the inner side of liquid tank 11 is extracted via first connecting pipe 13 and is transported to two sealing plugs 4 by second connecting pipe 14 and parallel connection pipe 10, the release agent can be evenly sprayed on the inner surface of groove 2 to form isolation layer by multiple spray heads 9, after spraying, power off electromagnet 7, at this time, sealing plug 4 is reset and sealed under the action of first spring 5, then liquid plastic is injected to the inner side of groove 2, so that it is formed, and the isolation layer can make it more convenient to demould after forming.

[0031] Example 2

[0032] Please refer to Figure 3 、 4The utility model provides technical scheme: a kind of plastic product mould convenient to demould, specifically, the inside of main body 1 is fixedly connected with cooling pipe 15, cooling pipe 15 is formed by multiple layers of interconnection, the both sides of main body 1 are fixedly connected with box 16, the number of box 16 is multiple and is rectangular array distribution, the both sides of main body 1 are fixedly connected with cushion block 17, the number of cushion block 17 is multiple, multiple cushion block 17 and multiple box 16 position correspond, the inside of box 16 is equipped with transmission cavity 18, the inside upper end of transmission cavity 18 is rotatably connected with ratchet wheel 19, the inside lower end of transmission cavity 18 is slidably installed with movable peg 20, the upper surface of movable peg 20 is fixedly connected with hook block 21, hook block 21 is adapted with ratchet wheel 19, the both sides of movable peg 20 are fixedly connected with push block 22, the one end of two push blocks 22 is fixedly connected with second spring 23, the one end of movable peg 20 is fixedly connected with impact head 24, impact head 24 is adapted with cushion block 17, two box 16 between one side are all penetrated and rotatably connected with helical gear transmission rod 25, helical gear transmission rod 25 is fixedly connected with ratchet wheel 19, the side of main body 1 is fixedly installed with motor 26, the both ends of the output shaft of motor 26 are fixedly connected with rotating lever 27, the one end of two rotating levers 27 mutually far away is fixedly connected with helical gear 28, two helical gears 28 are respectively engaged with the one end of two helical gear transmission rods 25, by being introduced into the inside of cooling pipe 15 cold water to the formed plastic piece can be quickly cooled, using the principle of article thermal expansion and cold contraction makes plastic piece self-demoulding, by ratchet wheel 19 rotation to when cooperation hook block 21 can drive movable peg 20 to move to one side, then using the elastic force of second spring 23 makes movable peg 20 reset and makes it impact cushion block 17, using the vibration generated by impact also can play the role of demoulding, simultaneously have multiple demoulding means, to make mould effect better when demoulding, even if it is encountered irregular shape workpiece also can smoothly complete demoulding, by cooling pipe 15 can be after plastic piece is formed by external water source, using water to speed up the cooling of plastic piece, using object thermal expansion and cold contraction, to make the slight change of the body shape of the formed plastic piece to reach the purpose of demoulding, simultaneously, by motor 26 can be driven two helical gears 28 rotation by rotating lever 27, and make it be engaged with two helical gear transmission rods 25 respectively, to can drive ratchet wheel 19 rotation by helical gear transmission rod 25, by ratchet wheel 19 rotation can make movable peg 20 move to one side under the cooperation of hook block 21, move while driving push block 22 to move and extrude second spring 23, when ratchet wheel 19 and hook block 21 separate, movable peg 20 will be reset under the action of second spring 23 and drive impact head 24 to impact cushion block 17, by ratchet wheel 19 ceaseless rotation will make impact head 24 ceaseless impact cushion block 17, to can also make mould and the formed plastic piece separate by impact, a mould simultaneously has multiple demoulding means, can make it when demoulding not appear inconvenient to demould situation.

[0033] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A mould for facilitating the demoulding of a plastic article, comprising a main body (1), characterised in that: The inner side of the main body (1) is provided with a trough (2), the bottom end of the trough (2) is provided with two symmetrical movable cavities (3), the top end of the movable cavity (3) is communicated with the trough (2), the inner side of the movable cavity (3) is movably connected with a sealing plug (4), the top end of the sealing plug (4) is matched with the top end of the movable cavity (3), the inner side of the movable cavity (3) is fixedly connected with a first spring (5) at the upper end, the bottom end of the first spring (5) is fixedly connected with the sealing plug (4), one side of the bottom end of the sealing plug (4) is fixedly connected with a permanent magnet ring (6), the inner side of the movable cavity (3) is fixedly connected with an electromagnet (7), the electromagnet (7) is matched with the permanent magnet ring (6), the inner side of the sealing plug (4) is provided with a cavity (8), the upper end of the cavity (8) is provided with a spray head (9), the inner side of the two movable cavities (3) is provided with a sealing plug (4), the bottom ends of the two sealing plugs (4) are connected through a parallel pipe (10), one side of the main body (1) is fixedly provided with a liquid tank (11), one side of the bottom end of the main body (1) is fixedly provided with a liquid pump (12), the liquid pump (12) and the liquid tank (11) are fixedly connected through a first connecting pipe (13), the other end of the liquid pump (12) is fixedly connected with a second connecting pipe (14), the other end of the second connecting pipe (14) is fixedly connected with the parallel pipe (10).

2. A plastic article mold facilitating demolding according to claim 1, characterized in that: The number of the spray head (9) is multiple, multiple spray heads (9) are arranged in a ring array, and the second connecting pipe (14) is a flexible pipe.

3. A plastic article mold facilitating demolding according to claim 1, characterized in that: The inner side of the main body (1) is fixedly connected with a cooling pipe (15), and the cooling pipe (15) is composed of multiple layers of interconnected structures.

4. A plastic article mold facilitating demolding according to claim 1, wherein: Both sides of the main body (1) are fixedly connected with box bodies (16), the number of the box bodies (16) is multiple and arranged in a rectangular array, both sides of the main body (1) are fixedly connected with cushion blocks (17), the number of the cushion blocks (17) is multiple, and multiple cushion blocks (17) are positionally corresponding to multiple box bodies (16).

5. A plastic article mold facilitating demolding according to claim 4, wherein: The inner side of the box body (16) is provided with a transmission cavity (18), and the inner side of the transmission cavity (18) is rotatably connected with a ratchet wheel (19).

6. A plastic article mold facilitating demolding according to claim 5, wherein: The inner side of the transmission cavity (18) is slidably provided with a movable plug (20), the upper surface of the movable plug (20) is fixedly connected with a hook block (21), and the hook block (21) is matched with the ratchet wheel (19).

7. A plastic article mold facilitating demolding according to claim 6, wherein: Both sides of the movable plug (20) are fixedly connected with push blocks (22), one end of each of the two push blocks (22) is fixedly connected with a second spring (23), one end of the movable plug (20) is fixedly connected with a striking head (24), and the striking head (24) is matched with the cushion block (17).

8. A plastic article mold facilitating demolding according to claim 5, wherein: A helical gear transmission rod (25) is rotatably connected between the two box bodies (16) on one side, and the helical gear transmission rod (25) is fixedly connected with the ratchet wheel (19).

9. A plastic article mold facilitating demolding according to claim 8, wherein: One side of the main body (1) is fixedly installed with a motor (26), the output shaft of the motor (26) is fixedly connected with a rotating rod (27) at both ends, the ends of the two rotating rods (27) away from each other are fixedly connected with a helical gear (28), and the two helical gears (28) are engaged with one end of two helical gear transmission rods (25) respectively.

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