Injection mold closing device for plastic processing

Abstract

The utility model relates to the technical field of injection molding devices, in particular to an injection molding mold closing device for plastic processing, which comprises a base, the top of the base is fixedly connected with a pair of first guide rods, and the side walls of the first guide rods are fixedly connected with the same fixing plate. The side wall of the first guide rod is slidably connected with a first moving plate and a second moving plate, the first guide rod penetrates through the fixed plate, the first moving plate and the second moving plate, and the top of the fixed plate is fixedly connected with a pair of connecting plates; through cooperative arrangement of a gear, a rack and a pushing block, the pushing block can push out and fall off formed plastic downwards after the plastic is formed, pushing-out and contraction of the pushing block are synchronously operated with mold closing separation of an injection molding shell and a mold, the plastic part can be assisted to fall off at the moment when the mold is opened, the time of the whole demolding link is shortened, and the demolding efficiency is improved. And the production takt is accelerated, more qualified plastic parts can be produced in unit time, and the overall production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding device technical field, especially injection molding device for plastics processing. BACKGROUND

[0002] Injection molding is also called injection molding, which is a kind of injection molding method. The advantages of injection molding method are fast production speed, high efficiency, automatic operation, various colors and shapes, and accurate product size. The product is easy to update, and the product can be shaped into complex parts. Injection molding is suitable for mass production and complex product forming processing field. At a certain temperature, the completely melted plastic material is injected into the mold cavity by screw stirring under high pressure, and the molded product is obtained after cooling and solidification. This method is suitable for batch production of complex parts and is one of the important processing methods. Injection molding is a method of producing industrial products. The product is usually plastic injection molding.

[0003] The existing injection mold for plastic part processing has the advantages of good use effect, solves the problem that most of the existing injection molds for plastic part processing are demolded by ejector pins, but the plastic products are relatively fragile and have high adhesion with the mold, and the use effect is poor.

[0004] In view of the above related technology, the existing injection molding device for plastics processing has the defects that the plastic parts rely on their own gravity and other natural factors to fall off after the mold is separated, or the demolding is carried out by separately operating the ejector device. For the scene of large-scale batch production of plastic products, the efficiency is low, therefore, the utility model provides an injection molding device for plastics processing. Utility model content

[0005] The purpose of the present application is to provide an injection molding device for plastics processing to solve the problems raised in the background art.

[0006] To achieve the above purpose, the present application provides the following technical scheme:

[0007] The utility model provides an injection moulding closing device for plastic processing, including the base, the top of base is fixedly connected with a pair of first guide rod, the lateral wall of first guide rod is fixedly connected with same fixed plate, the lateral wall of first guide rod is slidably connected with first moving plate and second moving plate, first guide rod penetrates fixed plate, first moving plate and second moving plate, the top of fixed plate is fixedly connected with a pair of connecting plate, the lateral wall of connecting plate is provided with demoulding assembly, demoulding assembly includes with the lateral wall rotationally connected with rotating rod of connecting plate, the lateral wall of rotating rod is fixedly connected with gear, every gear's outside is provided with a pair of rack, gear is engaged with rack, the lateral wall of rack is fixedly connected with limit block, and one end of a pair of rack is fixedly connected with push block.

[0008] Preferably, the top of the fixed plate is fixedly connected with a plurality of guide rails, and the limit blocks slide in the guide rails.

[0009] Preferably, the bottom of the fixed plate is fixedly connected with an injection molding shell, and one end of the rack penetrates the fixed plate and the injection molding shell, and the push block slides in the injection molding shell.

[0010] Preferably, the top of the base is fixedly connected with a telescopic cylinder, and the output end of the telescopic cylinder is fixedly connected with the bottom of the first moving plate.

[0011] Preferably, the top of the first moving plate is fixedly connected with a mold, the top of the first moving plate is fixedly connected with a plurality of second guide rods, a plurality of guide openings are formed in the injection molding shell, the second guide rods slide in the guide openings, and an injection opening is formed in the lateral wall of the injection molding shell.

[0012] Preferably, the top of the base is fixedly connected with a support plate, the lateral wall of the support plate is rotatably connected with a rotating shaft, and the lateral wall of the rotating shaft is fixedly connected with a pair of first connecting rods.

[0013] Preferably, one end of the first connecting rod is rotatably connected with a second connecting rod, one end of one second connecting rod is rotatably connected with a fixed seat, the bottom of the fixed seat is fixedly connected with the top of the second moving plate, and one end of the other second connecting rod is rotatably connected with the lateral wall of the first moving plate.

[0014] In summary, the technical effects and advantages of the utility model are:

[0015] The utility model discloses a push -out block, gear and rack are cooperated and set up, and when the plastic is formed, the push -out block can push down the formed plastic and fall off, and the push -out and contraction of the push -out block are synchronous operation with the closing and opening of the injection shell and mould, can start helping the plastic part to fall off at the moment of mould opening, shorten the time of the whole demoulding link, accelerate the production rhythm, help producing more qualified plastic parts in unit time, improve overall production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by the drawings for the technical personnel in the art without creative labor.

[0017] Figure 1 It is the first view angle shaft side structure schematic diagram of the utility model;

[0018] Figure 2 It is the second view angle shaft side structure schematic diagram of the utility model;

[0019] Figure 3 It is the structure schematic diagram of the injection shell of the utility model;

[0020] Figure 4 It is the structure schematic diagram of the rack of the utility model.

[0021] In the drawing: 1, base, 2, support plate, 3, rotating shaft, 4, first connecting rod, 5, second connecting rod, 6, fixed seat, 7, first moving plate, 8, rotating rod, 9, telescopic cylinder, 10, mould, 11, fixed plate, 12, connecting plate, 13, second moving plate, 14, first guide rod, 15, rack, 16, gear, 17, injection shell, 18, push -out block, 19, guide rail, 20, limit block, 21, injection port, 22, second guide rod. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the technical personnel in the art without creative labor belong to the protection scope of the utility model.

[0023] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "installation", "set with", "sleeve / interface", "connection" and the like should be understood broadly, for example, "connection", can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0024] Example one: reference Figures 1-4 The utility model discloses a plastic processing injection mould closing device, including base 1, the base 1 plays the role of firm support whole device, its top fixedly connected with a pair of first guide rod 14, first guide rod 14 can provide the guidance for the movement of subsequent components, ensure the accuracy and stability of moving direction, the lateral wall of first guide rod 14 is fixedly connected with same fixed plate 11, and fixed plate 11 can be used to install other relevant components or play certain connecting effect, the lateral wall of first guide rod 14 is slidably connected with first moving plate 7 and second moving plate 13, and first moving plate 7 and second moving plate 13 can slide along first guide rod 14, realize corresponding position change, and first guide rod 14 penetrates fixed plate 11, first moving plate 7 and second moving plate 13, the top of fixed plate 11 is fixedly connected with a pair of connecting plate 12, and connecting plate 12 can be used as the structural basis of connection, and the subsequent components are convenient to set, and the lateral wall of connecting plate 12 is provided with stripping assembly, and stripping assembly includes the rotatable connection of rotary rod 8 with the lateral wall of connecting plate 12, rotary rod 8 can rotate around the part connected with connecting plate 12, the lateral wall of rotary rod 8 is fixedly connected with gear 16, and gear 16 can rotate along with the rotation of rotary rod 8, and a pair of racks 15 are arranged on the outside of each gear 16, and gear 16 is engaged with rack 15, and the rotation of gear 16 can drive rack 15 to move linearly, and the lateral wall of rack 15 is fixedly connected with limit block 20, and limit block 20 can limit the movement range of rack 15 to a certain extent, to avoid excessive movement etc. occur, and one end of a pair of racks 15 is fixedly connected with push block 18, and push block 18 can move along with the movement of rack 15, to further push other relevant components to realize stripping and other related operations.

[0025] Example two: reference Figures 1-4, based on the same idea as in the above embodiment one, the embodiment also proposes that the top of the fixed plate 11 is fixedly connected with a plurality of guide rails 19, which can provide precise sliding tracks for the limiting block 20, so that the limiting block 20 can move smoothly along the predetermined route when it slides inside, thereby ensuring the stability and accuracy of the movement of the gear rack 15 and other components connected thereto, the bottom of the fixed plate 11 is fixedly connected with an injection molding shell 17, which is a key component for containing injection molding material and performing injection molding operation, and provides a corresponding space environment for the injection molding process, one end of the gear rack 15 penetrates through the fixed plate 11 and the injection molding shell 17, which allows the gear rack 15 to transmit its movement to the inside of the injection molding shell 17, so that the push block 18 can play a corresponding role inside the injection molding shell 17, the push block 18 slides inside the injection molding shell 17, and the push block 18 can push the internal related objects when it slides inside the injection molding shell 17, assisting in completing operations such as demolding, the top of the base 1 is fixedly connected with a telescopic cylinder 9, which can change its length by telescoping, and its output end is fixedly connected with the bottom of the first moving plate 7, which can drive the first moving plate 7 to move up and down, thereby adjusting the position of the mold 10 to meet the needs of different stages such as injection molding, the top of the first moving plate 7 is fixedly connected with a mold 10, which is a key structure for forming plastic products, and through injection molding and other operations, the plastic forms the required shape inside, the top of the first moving plate 7 is fixedly connected with a plurality of second guide rods 22, a plurality of guide openings are formed in the inside of the injection molding shell 17, the second guide rods 22 slide in the guide openings, and the second guide rods 22 cooperating with the guide openings can further ensure the accuracy of the direction of the first moving plate 7 during movement, avoiding deviation and other situations, and ensuring the accuracy of the operation of the entire injection molding and molding device, the sidewall of the injection molding shell 17 is provided with an injection port 21, which is an inlet for injecting injection molding material, facilitating the injection of plastic raw materials into the inside of the injection molding shell 17 for injection molding operation;The top of the base 1 is fixedly connected with a support plate 2, the support plate 2 plays a supporting role, and provides a stable mounting base for subsequent components connected therewith; a rotating shaft 3 is rotatably connected to the side wall of the support plate 2, the rotating shaft 3 can rotate around the part connected with the support plate 2 to change the angle; a pair of first connecting rods 4 are fixedly connected to the side wall of the rotating shaft 3, the first connecting rods 4 can change position along with the rotation of the rotating shaft 3; one end of each first connecting rod 4 is rotatably connected with a second connecting rod 5, through this rotatable connection, force and movement can be transmitted and converted between different connecting rods; one end of each second connecting rod 5 is rotatably connected with a fixing seat 6, the bottom of the fixing seat 6 is fixedly connected with the top of a second moving plate 13, through this connection, the movement of the second connecting rod 5 can drive the fixing seat 6 and then drive the second moving plate 13 to move correspondingly; the other end of each second connecting rod 5 is rotatably connected with the side wall of a first moving plate 7, so that the first moving plate 7 can move cooperatively with the second moving plate 13 under the linkage action of related components, and the working requirements of the injection mold closing device are met.

[0026] The utility model discloses a working principle: when using the device, the staff starts telescopic cylinder 9, and telescopic cylinder 9 promotes first moving plate 7 and moves upwards along first guide rod 14, when mould 10 completely sinks into injection shell 17, because the rise of first moving plate 7, make first connecting rod 4 rotate, make second moving plate 13 move downwards through second connecting rod 5, and second moving plate 13 will promote rack 15, and rack 15 and gear 16 are engaged, make the other side rack 15 move upwards, and push block 18 can be level with the inside top wall of injection shell 17, make the inside of injection shell 17 form a sealed space, when the staff can inject plastic melt to the inside of injection shell 17 through injection port 21, after forming, telescopic cylinder 9 contracts, and mould 10 separates with injection shell 17, and push block 18 pushes down the formed plastic.

[0027] Finally, it should be noted that: the above only for preferred embodiment of the utility model has been described, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiment, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. An injection moulding clamping device for plastics processing comprising a base (1), characterised in that: The top of the base (1) is fixedly connected with a pair of first guide rods (14), the side wall of the first guide rod (14) is fixedly connected with the same fixed plate (11), the side wall of the first guide rod (14) is slidably connected with the first moving plate (7) and the second moving plate (13), the first guide rod (14) penetrates the fixed plate (11), the first moving plate (7) and the second moving plate (13), the top of the fixed plate (11) is fixedly connected with a pair of connecting plates (12), the side wall of the connecting plate (12) is provided with a demolding assembly, the demolding assembly comprises a rotating rod (8) rotatably connected with the side wall of the connecting plate (12), the side wall of the rotating rod (8) is fixedly connected with a gear (16), a pair of racks (15) are arranged on the outer side of each gear (16), the gear (16) is engaged with the rack (15), the side wall of the rack (15) is fixedly connected with a limiting block (20), one end of a pair of racks (15) is fixedly connected with a push block (18).

2. The injection molding apparatus of claim 1 wherein: The top of the fixed plate (11) is fixedly connected with a plurality of guide rails (19), and the limiting block (20) slides in the guide rail (19).

3. The injection molding apparatus of claim 1 wherein: The bottom of the fixed plate (11) is fixedly connected with an injection molding shell (17), one end of the rack (15) penetrates the fixed plate (11) and the injection molding shell (17), and the push block (18) slides in the injection molding shell (17).

4. The injection molding apparatus of claim 1 wherein: The top of the base (1) is fixedly connected with a telescopic cylinder (9), and the output end of the telescopic cylinder (9) is fixedly connected with the bottom of the first moving plate (7).

5. The injection molding apparatus of claim 3 wherein: The top of the first moving plate (7) is fixedly connected with a mold (10), the top of the first moving plate (7) is fixedly connected with a plurality of second guide rods (22), a plurality of guide holes are formed in the injection molding shell (17), the second guide rod (22) slides in the guide hole, and an injection molding opening (21) is formed in the side wall of the injection molding shell (17).

6. The injection molding apparatus of claim 5 wherein: The top of the base (1) is fixedly connected with a support plate (2), the side wall of the support plate (2) is rotatably connected with a rotating shaft (3), and the side wall of the rotating shaft (3) is fixedly connected with a pair of first connecting rods (4).

7. The injection molding apparatus of claim 6 wherein: One end of the first connecting rod (4) is rotatably connected with a second connecting rod (5), one end of the second connecting rod (5) is rotatably connected with a fixed seat (6), the bottom of the fixed seat (6) is fixedly connected with the top of the second moving plate (13), and the other end of the second connecting rod (5) is rotatably connected with the side wall of the first moving plate (7).

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