Injection mold ejection device

Abstract

The utility model belongs to the field of injection molds, and particularly relates to an injection mold ejection device which comprises a fixed mold base and a movable mold base, a lifting assembly is arranged on the fixed mold base, an ejection assembly is arranged on the movable mold base, the ejection assembly comprises a placing frame, and the outer wall of the movable mold base is fixedly connected with the placing frame. And an electric cylinder base is fixedly connected to the inner wall of the containing frame, a pushing disc is fixedly connected to the output end of the electric cylinder base, and a sliding plate is slidably connected to the inner wall of the movable mold base. According to the injection mold ejection device, before pouring, the motor is started to drive the gear to rotate forwards, the rack is meshed with the gear to enable the water spraying base to move downwards, and the spraying head conducts spraying work on the interior of the mold chamber. Therefore, when the product is discharged, the product is more easily ejected out by the ejection assembly, the adhesion between the product and the mold is reduced, and the integrity and the surface quality of the product are ensured. And the motor rotates reversely to reset the water spraying seat to leave the mold chamber, so that the subsequent injection molding work is not influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a kind of injection mold ejection device. BACKGROUND

[0002] In the production process of plastic products, injection molding is a very common and important processing technology. As the core tool of injection molding, the performance of injection mold directly affects the quality and production efficiency of plastic products. After injection molding is completed, the molded product needs to be smoothly taken out from the mold, which depends on the injection mold ejection device.

[0003] At present, the mold lacks effective demolding auxiliary means when demolding, and the product is easy to adhere to the mold, which not only increases the risk of product damage, but also needs manual additional treatment of adhesion problem. In view of this, we propose an injection mold ejection device. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide an injection mold ejection device, which can solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the injection mold ejection device proposed by the utility model comprises a fixed mold base and a movable mold base, the fixed mold base is provided with a lifting assembly, the movable mold base is provided with an ejection assembly, and the ejection assembly comprises:

[0006] A placing rack is fixedly connected to the outer wall of the movable mold base, and an electric cylinder seat is fixedly connected to the inner wall of the placing rack.

[0007] A push plate is fixedly connected to the output end of the electric cylinder seat, and a sliding plate is slidingly connected to the inner wall of the movable mold base.

[0008] A push plate is fixedly connected to the side of the sliding plate away from the push plate, and an ejection rod is fixedly connected to the outer wall of the push plate.

[0009] Preferably, the push plate is fixedly connected to the outer wall of the sliding plate away from the electric cylinder seat, and a through sliding groove is formed in the movable mold base. The push plate pushes the sliding plate to slide on the movable mold base, and the outer wall of the ejection rod is slidingly connected to the inner wall of the through sliding groove.

[0010] Preferably, the lifting assembly comprises a fixed curved frame, and the bottom of the fixed curved frame is fixedly connected with a reinforcing rib.

[0011] Preferably, a water spraying seat is slidingly connected to the inner wall of the fixed curved frame, and a water channel is formed in the water spraying seat. The water channel is connected with the demolding agent conveying assembly outside.

[0012] Preferably, the outer wall of the water spraying seat is fixedly connected with a rack, the top of the fixed curved frame is fixedly connected with a motor, the output end of the motor is fixedly connected with a gear, and the rack and the gear are in meshing engagement.

[0013] Preferably, the outer wall of the water spraying seat is fixedly connected with a spray head, and the spray head is provided with four groups.

[0014] The utility model provides a kind of injection mold ejection device. With following beneficial effects:

[0015] (1), the injection mold ejection device is before injection molding, is driven gear by starting motor and rotates positively, and the engagement of rack and gear makes water spraying seat move downwards, and spray head is sprayed in mould chamber.This helps in product discharging, makes product more easily be ejected by ejector assembly, reduces the adhesion between product and mould, ensures the integrity and surface quality of product.Electric motor reversal can also make water spraying seat reset and leave mould chamber, without affecting subsequent injection molding work.

[0016] (2), the injection mold ejection device is moved by starting electric cylinder seat and drives push plate, and push plate pushes sliding plate to slide on movable die holder, and then drives push plate and ejector rod to move, realizes the ejection work of product on movable die holder.This structure design makes that ejection process is stable and power transmission is direct, can rapidly eject product from mould, effectively improves production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creative labor.

[0018] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the movable die holder and the placement frame part sectional view structure schematic diagram of the utility model;

[0020] Figure 3 It is the sliding plate and the ejector rod part structure schematic diagram of the utility model;

[0021] Figure 4 It is the fixed curved frame and the water spraying seat part structure schematic diagram of the utility model.

[0022] Explanation of reference numerals: 1, fixed mold base; 2, movable mold base; 3, lifting assembly; 31, fixed curved frame; 32, reinforcing rib; 33, water injection seat; 34, rack; 35, motor; 36, gear; 37, nozzle; 4, ejection assembly; 41, placing rack; 42, electric cylinder seat; 43, push disc; 44, sliding plate; 45, push plate; 46, ejection rod.

[0023] The realization, functional features and advantages of the utility model will be further described in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figure 1 Figure 4 The utility model provides a kind of injection mold ejection device, including fixed mold base 1, movable mold base 2, guide column is set on movable mold base 2, guide column can slide into fixed mold base 1, lifting assembly 3 is provided on fixed mold base 1, movable mold base 2 is provided with ejection assembly 4, ejection assembly 4 includes placing rack 41, the outer wall of movable mold base 2 is fixedly connected with placing rack 41, the inner wall of placing rack 41 is fixedly connected with electric cylinder seat 42, the output end of electric cylinder seat 42 is fixedly connected with push disc 43, the inner wall of movable mold base 2 is slidably connected with sliding plate 44, guide rod is set on movable mold base 2, the inner wall of sliding plate 44 is slidably connected on the outer wall of guide rod, moving is driven by starting electric cylinder seat 42 to push disc 43, the side of sliding plate 44 away from push disc 43 is fixedly connected with push plate 45, the outer wall of push plate 45 is fixedly connected with ejection rod 46, the side of push disc 43 away from electric cylinder seat 42 is fixedly connected on the outer wall of sliding plate 44, through groove is set on movable mold base 2, the outer wall of ejection rod 46 is slidably connected on the inner wall of through groove, push disc 43 pushes sliding plate 44, so that it slides on movable mold base 2, in turn drive push plate 45 moves to fixed mold base 1, so that ejection rod 46 slides in through groove, product on movable mold base 2 is ejected.

[0026] ​In the utility model, the lifting assembly 3 includes fixed curved frame 31, the bottom of fixed curved frame 31 is fixedly connected with reinforcing rib 32, the inner wall of fixed curved frame 31 is slidably connected with water spraying seat 33, water channel is formed in water spraying seat 33, and the water channel is connected with the release agent conveying assembly outside, which is prior art and will not be described too much, the outer wall of water spraying seat 33 is fixedly connected with rack 34, the top of fixed curved frame 31 is fixedly connected with motor 35, the output end of motor 35 is fixedly connected with gear 36, rack 34 and gear 36 are engaged with each other, the rack 34 is moved by starting motor 35 to drive gear 36 to rotate forward, and then water spraying seat 33 is moved synchronously, the outer wall of water spraying seat 33 is fixedly connected with spray head 37, the spray head 37 is provided with four groups, the spray head 37 is used to spray the mould chamber, and the product is pushed out by the ejecting assembly 4 when discharging.

[0027] When using, before injection molding, the rack 34 is moved by starting motor 35 to drive gear 36 to rotate forward, the water spraying seat 33 is moved synchronously by the engagement of rack 34 and gear 36, the water spraying seat 33 is moved downward, the spray head 37 is used to spray the mould chamber, the product is pushed out by the ejecting assembly 4 when discharging, the gear 36 is reversed by the reverse rotation of motor 35, the rack 34 is reset, and the water spraying seat 33 is separated from the mould chamber.

[0028] The sliding plate 44 is pushed by the push plate 43 to slide on the movable die seat 2, and then the push plate 45 is moved to the fixed die seat 1, the ejector rod 46 is slid in the sliding groove, and the product on the movable die seat 2 is ejected.

[0029] The above only describes the preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made according to the utility model specification and the drawings or directly / indirectly applied in other related technical fields under the inventive concept of the utility model is included in the patent protection range of the utility model.

Claims

1. An injection mold ejection device comprising a fixed mold base (1), a movable mold base (2), characterized in that: The fixed mold base (1) is provided with a lifting assembly (3), the movable mold base (2) is provided with an ejection assembly (4), the ejection assembly (4) comprises: A placing rack (41) is fixedly connected to the outer wall of the movable mold base (2), and an electric cylinder seat (42) is fixedly connected to the inner wall of the placing rack (41); A push disc (43) is fixedly connected to the output end of the electric cylinder seat (42), and a sliding plate (44) is slidably connected to the inner wall of the movable mold base (2); A push plate (45) is fixedly connected to the side of the sliding plate (44) away from the push disc (43), and an ejection rod (46) is fixedly connected to the outer wall of the push plate (45).

2. An ejection device for injection molds according to claim 1, characterized in that: The side of the push disc (43) away from the electric cylinder seat (42) is fixedly connected to the outer wall of the sliding plate (44), and a sliding groove is formed in the movable mold base (2).

3. An ejection apparatus for injection molds according to claim 1, characterized in that: The lifting assembly (3) comprises a fixed curved frame (31), and a reinforcing rib (32) is fixedly connected to the bottom of the fixed curved frame (31).

4. An ejection device for injection molds according to claim 3, characterized in that: A water spraying seat (33) is slidably connected to the inner wall of the fixed curved frame (31), and a water channel is formed in the water spraying seat (33).

5. An ejection device for injection moulds according to claim 4, characterized in that: A gear rack (34) is fixedly connected to the outer wall of the water spraying seat (33), an electric motor (35) is fixedly connected to the top of the fixed curved frame (31), the output end of the electric motor (35) is fixedly connected with a gear (36), and the gear rack (34) and the gear (36) are in meshing engagement.

6. An ejection device for injection moulds according to claim 5, characterized in that: A plurality of spray heads (37) are fixedly connected to the outer wall of the water spraying seat (33).

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