CN107901344B

CN107901344B - Injection mold capable of rapidly and efficiently demolding and injection molding method thereof

Info

Publication number: CN107901344B
Application number: CN201711307850.6A
Authority: CN
Inventors: 邓宗涌; 袁世芳; 张�诚; 喻博
Original assignee: Hangzhou Suokai Industrial Co ltd
Current assignee: Hangzhou Suokai Industrial Co ltd
Priority date: 2017-12-11
Filing date: 2017-12-11
Publication date: 2023-08-11
Anticipated expiration: 2037-12-11
Also published as: CN107901344A

Abstract

The invention discloses an injection mold capable of rapidly and efficiently demolding, which comprises a box body, wherein connecting plates are connected on two sides of the inner wall of the box body in a sliding manner, a top frame is fixedly connected between two opposite sides of the two connecting plates, a moving block is connected on two sides of the top of the inner wall of the box body in a sliding manner, an electric telescopic rod is fixedly connected between two opposite sides of the moving block, a rotating plate is rotatably connected on one side of the moving block, which is far away from the inner wall of the box body, a fixed plate is rotatably connected on one side of the rotating plate, which is far away from the rotating plate, and the top of the top frame. This injection mold of quick high-efficient drawing of patterns and injection molding method thereof can effectually carry out the injection molding, can press from both sides tightly and fix when moulding plastics simultaneously effectually, can very convenient take off when carrying out the drawing of patterns, has reduced the waste of time.

Description

Injection mold capable of rapidly and efficiently demolding and injection molding method thereof

Technical Field

The invention relates to the technical field of injection molds, in particular to an injection mold capable of rapidly and efficiently demolding and an injection molding method thereof.

Background

The injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. The method specifically comprises the steps of injecting heated and melted plastic into a die cavity under high pressure by an injection molding machine, cooling and solidifying to obtain a formed product, wherein the injection molding die is divided into a thermosetting plastic die and a thermoplastic plastic die according to the forming characteristics; the hot-pressing mold can be divided into three types of overflow, half overflow and non-overflow in a flash mode, and the injection mold can be divided into two types of cold runner mold and hot runner mold in a pouring system; the mold structure can be divided into a movable type and a fixed type in a detachable manner, and the basic structure is uniform although the structure of the mold may vary widely depending on the variety and performance of the plastic, the shape and structure of the plastic product, the type of the injection machine, and the like. The mould mainly comprises a pouring system, a temperature regulating system, a forming part and a structural part. The casting system and the formed parts are parts which are in direct contact with plastic and change along with the plastic and the product, are the parts which are the most complex in a plastic mould, have the greatest change and require the highest processing finish degree and precision, and the formed parts refer to various parts which form the shape of the product, including a movable mould, a fixed mould, a cavity, a core, a forming rod, an exhaust port and the like. The forming part consists of a core and a female die. The core forms the inner surface of the article and the cavity forms the outer surface shape of the article. After the mold is closed, the mold core and the mold cavity form the mold cavity of the mold. According to the technological and manufacturing requirements, the mold core and the female mold are sometimes formed by combining a plurality of splicing blocks, and sometimes are made into a whole, and the insert is only adopted at the parts which are easy to damage and difficult to process.

The application of injection mold is very extensive, the condition that the mould hardly drops frequently can take place at the in-process of carrying out moulding plastics, leads to using very inconveniently, simultaneously if hard great, can make the mould take place to damage, and inefficiency when leading to injection mold increases the cost simultaneously.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the injection mold capable of rapidly and efficiently demolding and the injection molding method thereof, which solve the problems that the mold is difficult to take off in the injection molding process, so that the use is very inconvenient, and meanwhile, if the force is large, the mold is possibly damaged, so that the efficiency is low and the cost is increased in the injection molding process.

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an injection mold of quick high-efficient drawing of patterns, includes the box, the equal sliding connection in both sides of box inner wall has the connecting plate, and fixedly connected with roof frame between the opposite one side of two connecting plates, the equal sliding connection in both sides at box inner wall top has the movable block, two fixedly connected with electric telescopic handle between the opposite one side of movable block, one side rotation that the movable block kept away from the box inner wall is connected with the rotor plate, and one side rotation that the rotor plate kept away from the movable block is connected with the fixed plate, one side that the rotor plate was kept away from to the fixed plate and the top fixed connection of roof frame, and fixedly connected with connecting spring between the opposite one side of two rotor plates.

Preferably, the upper die is connected between the two sides of the inner wall of the top frame in a sliding manner, a switch is fixedly connected to the left side of the top of the upper die, extrusion springs are fixedly connected to the two sides of the top of the upper die, one side, away from the upper die, of the extrusion springs is fixedly connected with the top of the inner wall of the top frame, an electromagnet is fixedly connected to the top of the inner wall of the top frame, the electromagnet is connected with the switch, and a magnet is fixedly connected to the top of the upper die.

Preferably, the bottom fixedly connected with montant of box inner wall, the surface of montant is kept away from box inner wall bottom one side cover and is equipped with the cover board, be located the fixed surface who is connected with buffer spring of montant between the bottom of cover board and the bottom of box inner wall.

Preferably, both sides of box inner wall bottom all fixedly connected with supporting seat, one side fixedly connected with bottom plate of keeping away from the box inner wall of supporting seat, and offered the through-hole with the sleeve plate looks adaptation on the bottom plate, the both sides at bottom plate top are all fixedly connected with dog.

Preferably, the fixed surface of cover board is connected with the push pedal, one side fixedly connected with bed die that the montant was kept away from to the cover board, and the both sides of bed die bottom all rotate and be connected with the pivot, the fixed surface of pivot is connected with the stripper plate, the recess has been seted up to one side of stripper plate, and the internal surface of recess is the looks adaptation setting with the bed die, the fixed surface of pivot is connected with the swinging plate, one side of swinging plate and one side sliding connection of push pedal.

Preferably, the bottom of box right side fixedly connected with base case, the bottom fixedly connected with air pump of base case inner wall.

Preferably, an air nozzle communicated with the air pump is arranged on the inner surface of the groove.

Preferably, the front surface of the box body is hinged with a box door, a glass window is arranged on the front surface of the box body, which is positioned on the front surface of the box door, and bases are fixedly connected to two sides of the bottom of the box body.

The invention also discloses an injection molding method for rapidly and efficiently demolding, which comprises the following steps:

s1, opening a box door, shortening an electric telescopic rod when injection molding starts, and driving two moving blocks to move to opposite sides by shortening the electric telescopic rod;

s2, the moving block moves to drive the rotating plate to rotate, the rotating plate rotates around the fixed plate, and the rotating plate drives the top frame to move downwards while rotating;

s3, simultaneously, the connecting plate moves downwards to support, and the connecting spring is connected to buffer;

s4, the top frame continuously moves downwards, so that the upper die extrudes the extrusion plate, and the lower die extrudes the sleeve plate downwards;

s5, sliding the sleeve plate on the surface of the vertical rod to enable the buffer spring to buffer;

s6, when the push plate is in contact with the stop block, the stop block extrudes the push plate, the push plate extrudes the swinging plate, the swinging plate drives the middle shaft to rotate, and the extrusion plate rotates, so that the groove is clamped with the lower die, and injection molding is performed;

s7, simultaneously, the electric telescopic rod is continuously shortened, so that the top frame is continuously extruded, and the upper die extrudes the extrusion spring;

s8, when the switch is contacted with the top of the inner wall of the top frame, the electric telescopic rod stretches to enable the top frame to ascend;

s9, the sleeve plate moves upwards under the action of the buffer spring, and the swinging plate drives the extrusion plate to rotate;

s10, simultaneously, the air pump is started, the lower die is demolded through the air injection holes in the grooves, the electromagnet is electrified, the magnet extrudes the upper die, and the upper die is demolded.

Advantageous effects

The invention provides an injection mold capable of rapidly and efficiently demolding and an injection molding method thereof. The beneficial effects are as follows:

(1) According to the injection mold and the injection molding method thereof, the supporting seat is fixedly connected to two sides of the bottom of the inner wall of the box body, the supporting seat is fixedly connected with the bottom plate on one side, far away from the inner wall of the box body, of the bottom plate, the through hole matched with the sleeve plate is formed in the bottom plate, the stop block is fixedly connected to two sides of the top of the bottom plate, the top plate is fixedly connected to one side, far away from the vertical rod, of the sleeve plate, the lower mold is fixedly connected to two sides of the bottom of the lower mold, the rotating shaft is fixedly connected with the extruding plate, one side of the extruding plate is provided with the groove, the inner surface of the groove is matched with the lower mold, the surface of the rotating shaft is fixedly connected with the swinging plate, one side of the swinging plate is in sliding connection with one side of the push plate, injection molding can be effectively performed, clamping and fixing can be performed during injection molding, demolding can be conveniently performed, and time waste is reduced.

(2) The injection mold comprises an upper mold body, wherein an upper mold body is slidably connected between two sides of the inner wall of a top frame, a switch is fixedly connected to the left side of the top of the upper mold body, extrusion springs are fixedly connected to two sides of the top of the upper mold body, one side of each extrusion spring, which is far away from the upper mold body, is fixedly connected with an electromagnet, which is connected with the switch, and the top of the inner wall of the top frame is fixedly connected with the magnet, so that injection molding is conveniently performed, extrusion can be effectively performed, meanwhile, demolding can be effectively performed after extrusion is completed, the use is very convenient, unnecessary loss is reduced, and the demolding is performed through the repulsive design of magnetic poles, so that the demolding efficiency is greatly improved.

(3) According to the injection mold capable of rapidly and efficiently demolding and the injection molding method thereof, the moving blocks are connected to the two sides of the top of the inner wall of the box body in a sliding manner, the electric telescopic rods are fixedly connected between the opposite sides of the moving blocks, the rotating plate is connected to one side, far away from the inner wall of the box body, of the moving block, the fixed plate is connected to one side, far away from the moving block, of the rotating plate in a rotating manner, the fixed plate is fixedly connected to the top of the top frame, the connecting springs are fixedly connected to the opposite sides of the two rotating plates, so that the injection molding machine can be effectively lifted, normal operation of the injection molding machine is ensured, meanwhile, extrusion of force can be effectively carried out, and injection molding quality and quality are guaranteed.

(4) According to the injection mold capable of achieving rapid and efficient demolding and the injection molding method of the injection mold, the bottom box is fixedly connected to the bottom of the right side of the box body, the air pump is fixedly connected to the bottom of the inner wall of the bottom box, the air nozzle communicated with the air pump is formed in the inner surface of the groove, the box door is hinged to the front surface of the box body, the glass window is arranged on the front surface of the box door, the bases are fixedly connected to the two sides of the bottom of the box body, demolding can be facilitated through air, the integrity of the mold after demolding is guaranteed, meanwhile, feeding and discharging are quite convenient, stability of the device is greatly improved, cost is greatly saved, the device is simple in structure, and high in practicability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic diagram of a groove structure according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

in the figure: the device comprises a 1-box body, a 2-connecting plate, a 3-top frame, a 4-moving block, a 5-rotating plate, a 6-electric telescopic rod, a 7-fixed plate, an 8-connecting spring, a 9-upper die, a 10-extrusion spring, an 11-switch, a 12-electromagnet, a 13-magnet, a 14-vertical rod, a 15-sleeve plate, a 16-buffer spring, a 17-bottom plate, a 18-lower die, a 19-rotating shaft, a 20-extrusion plate, a 21-groove, a 22-swinging plate, a 23-push plate, a 24-stop block, a 25-supporting seat, a 26-bottom box and a 27-air pump.

Detailed Description

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

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an injection mold of quick high-efficient drawing of patterns, including box 1, the both sides of box 1 inner wall all sliding connection has connecting plate 2, the spread groove with connecting plate 2 looks adaptation has been seted up on the inner wall of box 1, and fixedly connected with roof frame 3 between the opposite one side of two connecting plates 2, the both sides at box 1 inner wall top all sliding connection has movable block 4, the movable groove with movable block 4 looks adaptation has been seted up at the top of box 1 inner wall, fixedly connected with electric telescopic handle 6 between the opposite one side of two movable blocks 4, conveniently control flexible, the one side that movable block 4 kept away from box 1 inner wall rotates and is connected with rotor plate 5, and one side that rotor plate 5 kept away from movable block 4 rotates and is connected with fixed plate 7, one side that rotor plate 5 was kept away from to fixed plate 7 and the top fixed connection of roof frame 3, and the connecting spring 8 is fixedly connected between one opposite sides of the two rotating plates 5 for buffering, the upper die 9 is slidingly connected between two sides of the inner wall of the top frame 3, a sliding rail matched with the upper die 9 is arranged on the inner wall of the top frame 3, a switch 11 is fixedly connected on the left side of the top of the upper die 9, the switch 11 is connected with an electric telescopic rod 6, an electromagnet 12 and an air pump 27, the two sides of the top of the upper die 9 are fixedly connected with a pressing spring 10, one side of the pressing spring 10 far away from the upper die 9 is fixedly connected with the top of the inner wall of the top frame 3, the electromagnet 12 is fixedly connected with the switch 11, the top of the upper die 9 is fixedly connected with a magnet 13, the magnet 13 is opposite to the electromagnet 12 in magnetic pole, the bottom of the inner wall of the box 1 is fixedly connected with a vertical rod 14, one side of the surface of the vertical rod 14 far away from the bottom of the inner wall of the box 1 is sleeved with a sleeve plate 15, the buffer springs 16 are fixedly connected to the surfaces of the vertical rods 14 between the bottom of the sleeve plate 15 and the bottom of the inner wall of the box body 1, the supporting seats 25 are fixedly connected to the two sides of the bottom of the inner wall of the box body 1 and used for supporting, the bottom plate 17 is fixedly connected to one side of the supporting seats 25 far away from the inner wall of the box body 1, through holes matched with the sleeve plate 15 are formed in the bottom plate 17 and are convenient to move, the stop blocks 24 are fixedly connected to the two sides of the top of the bottom plate 17 and used for blocking, the push plates 23 are fixedly connected to the surfaces of the sleeve plate 15, the lower dies 18 are fixedly connected to one side of the sleeve plate 15 far away from the vertical rods 14, the rotating shafts 19 are rotatably connected to the two sides of the bottom of the lower dies 18, the pressing plates 20 are fixedly connected to the surfaces of the rotating shafts 19, the grooves 21 are formed in one side of the pressing plates 20, the inner surfaces of the grooves 21 are arranged in a matched mode with the lower dies 18, the surfaces of the rotating shafts 19 are fixedly connected to the swinging plates 22, one side of the swinging plate 22 is slidably connected with one side of the push plate 23, the bottom of the right side of the box body 1 is fixedly connected with a bottom box 26, the bottom of the inner wall of the bottom box 26 is fixedly connected with an air pump 27, the inner surface of the groove 21 is provided with an air nozzle communicated with the air pump 27, air injection is conveniently carried out, demoulding is carried out, the front surface of the box body 1 is hinged with a box door, material taking is conveniently carried out, the front surface of the box body 1 is provided with a glass window on the front surface of the box door, observation can be carried out at any time, both sides of the bottom of the box body 1 are fixedly connected with a base, injection molding can be effectively carried out, clamping and fixing can be effectively carried out during injection molding, demoulding can be conveniently carried out during demoulding, waste of time is reduced, extrusion can be effectively carried out, demoulding can be effectively carried out after extrusion is completed, use is very convenient, unnecessary loss is reduced, through the rejection design of magnetic pole, carry out the drawing of patterns, very big promotion the efficiency of drawing of patterns, can effectually go up and down, ensure that the device can normal operation, simultaneously can effectually carry out the extrusion of dynamics, ensured quality and the quality of moulding plastics, can promote the drawing of patterns through gas, ensure the integrality of drawing of patterns back mould, the while feeding is very convenient with the ejection of compact, very big promotion the stability of device, very big saving the cost, device simple structure simultaneously, the practicality is strong.

s1, opening a box door, shortening an electric telescopic rod 6 when injection molding starts, and driving two moving blocks 4 to move to opposite sides by shortening the electric telescopic rod 6;

s2, the moving block 4 moves to drive the rotating plate 5 to rotate, the rotating plate 5 rotates around the fixed plate 7, and the rotating plate 5 rotates and drives the top frame 3 to move downwards;

s3, simultaneously, the connecting plate 2 moves downwards to support, and the connecting spring 8 is used for buffering;

s4, the top frame 3 continues to move downwards, so that the upper die 9 extrudes the extrusion plate 20, and the lower die 18 extrudes the sleeve plate 15 downwards;

s5, sliding the sleeve plate 15 on the surface of the vertical rod 14 to buffer the buffer spring 16;

s6, when the push plate 23 is in contact with the stop block 24, the stop block 24 presses the push plate 23, the push plate 23 presses the swinging plate 22, the swinging plate 22 drives the middle shaft 19 to rotate, and the pressing plate 20 rotates, so that the groove 21 and the lower die 18 are clamped tightly, and injection molding is performed;

s7, simultaneously, the electric telescopic rod 6 is continuously shortened, so that the top frame 3 is continuously extruded, and the upper die 9 extrudes the extrusion spring 10;

s8, when the switch 11 is contacted with the top of the inner wall of the top frame 3, the electric telescopic rod 6 stretches, so that the top frame 3 rises;

s9, simultaneously, the sleeve plate 15 moves upwards due to the acting force of the buffer spring 16, and the swinging plate 22 drives the extrusion plate 20 to rotate;

s10, simultaneously, the air pump 27 is started, the lower die 18 is demolded through the air injection holes in the grooves 21, the electromagnet 12 is electrified, the magnet 13 extrudes the upper die 9, and the upper die 9 is demolded.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Injection mold of quick high-efficient drawing of patterns, including box (1), its characterized in that: the two sides of the inner wall of the box body (1) are both connected with connecting plates (2) in a sliding manner, a top frame (3) is fixedly connected between one side opposite to the two connecting plates (2), two sides of the top of the inner wall of the box body (1) are both connected with moving blocks (4) in a sliding manner, an electric telescopic rod (6) is fixedly connected between one side opposite to the moving blocks (4), one side, far away from the inner wall of the box body (1), of the moving blocks (4) is rotationally connected with a rotating plate (5), one side, far away from the moving blocks (4), of the rotating plate (5) is rotationally connected with a fixing plate (7), one side, far away from the rotating plate (5), of the fixing plate is fixedly connected with the top of the top frame (3), and one side opposite to the two rotating plates (5), is fixedly connected with a connecting spring (8);

an upper die (9) is connected between two sides of the inner wall of the top frame (3) in a sliding manner, a switch (11) is fixedly connected to the left side of the top of the upper die (9), extrusion springs (10) are fixedly connected to two sides of the top of the upper die (9), one side, far away from the upper die (9), of each extrusion spring (10) is fixedly connected with the top of the inner wall of the top frame (3), an electromagnet (12) is fixedly connected to the top of the inner wall of the top frame (3), the electromagnet (12) is connected with the switch (11), and a magnet (13) is fixedly connected to the top of the upper die (9);

the bottom of the inner wall of the box body (1) is fixedly connected with a vertical rod (14), one side of the surface of the vertical rod (14) far away from the bottom of the inner wall of the box body (1) is sleeved with a sleeve plate (15), and a buffer spring (16) is fixedly connected with the surface of the vertical rod (14) between the bottom of the sleeve plate (15) and the bottom of the inner wall of the box body (1);

the two sides of the bottom of the inner wall of the box body (1) are fixedly connected with supporting seats (25), one side, far away from the inner wall of the box body (1), of each supporting seat (25) is fixedly connected with a bottom plate (17), through holes matched with the sleeve plates (15) are formed in the bottom plates (17), and two sides of the top of each bottom plate (17) are fixedly connected with stop blocks (24);

the surface fixedly connected with push pedal (23) of cover board (15), one side fixedly connected with bed die (18) of montant (14) is kept away from to cover board (15), and the both sides of bed die (18) bottom all rotate and be connected with pivot (19), the surface fixedly connected with stripper plate (20) of pivot (19), recess (21) have been seted up to one side of stripper plate (20), and the internal surface of recess (21) is looks adaptation setting with bed die (18), the surface fixedly connected with swinging plate (22) of pivot (19), one side of swinging plate (22) and one side sliding connection of push pedal (23);

the bottom of the right side of the box body (1) is fixedly connected with a bottom box (26), and the bottom of the inner wall of the bottom box (26) is fixedly connected with an air pump (27);

an air nozzle communicated with the air pump (27) is formed in the inner surface of the groove (21);

the front surface of the box body (1) is hinged with a box door, a glass window is arranged on the front surface of the box body (1) located on the front surface of the box door, and bases are fixedly connected to two sides of the bottom of the box body (1).

2. The injection mold capable of rapidly and efficiently demolding according to claim 1, wherein the injection molding method specifically comprises the following steps:

s1, opening a box door, shortening an electric telescopic rod (6) when injection molding starts, and driving two moving blocks (4) to move to opposite sides by shortening the electric telescopic rod (6);

s2, the moving block (4) moves to drive the rotating plate (5) to rotate, the rotating plate (5) rotates around the fixed plate (7), and the rotating plate (5) rotates and drives the top frame (3) to move downwards;

s3, simultaneously, the connecting plate (2) moves downwards to support, and the connecting spring (8) is used for buffering;

s4, the top frame (3) continues to move downwards, so that the upper die (9) extrudes the extrusion plate (20), and the lower die (18) extrudes the sleeve plate (15) downwards;

s5, sliding the sleeve plate (15) on the surface of the vertical rod (14) to buffer the buffer spring (16);

s6, when the push plate (23) is in contact with the stop block (24), the stop block (24) extrudes the push plate (23), the push plate (23) extrudes the swinging plate (22), the swinging plate (22) drives the rotating shaft (19) to rotate, and the extrusion plate (20) rotates, so that the groove (21) is clamped with the lower die (18) to carry out injection molding;

s7, simultaneously, the electric telescopic rod (6) is continuously shortened, so that the top frame (3) is continuously extruded, and the upper die (9) extrudes the extrusion spring (10);

s8, when the switch (11) is contacted with the top of the inner wall of the top frame (3), the electric telescopic rod (6) stretches to enable the top frame (3) to ascend;

s9, simultaneously, the sleeve plate (15) moves upwards under the action of the buffer spring (16), and the swinging plate (22) drives the extrusion plate (20) to rotate;

s10, simultaneously, the air pump (27) is started, the lower die (18) is demolded through the air injection hole in the groove (21), the electromagnet (12) is electrified, the magnet (13) extrudes the upper die (9), and the upper die (9) is demolded.