Plastic mold with trimming function

Abstract

The utility model discloses a plastic mould with a trimming function. The plastic mould comprises a base, a convex mould is fixedly mounted at the top of the base, a concave mould matched with the convex mould is arranged right above the convex mould, a push plate is fixedly mounted at the top of the concave mould, two injection molding pipes are symmetrically arranged at the top of the push plate, and a movable end of a first air cylinder contracts, so that the two injection molding pipes are connected with the push plate. A steering motor fixedly installed at the movable end of an electric sliding table in a first groove drives a cutter to rotate by 90 degrees towards the formed plastic part, the movable end of a third air cylinder pushes a second connecting plate to move, the second connecting plate pushes a pressing plate to move through a push rod, and the formed plastic part and the male die are fixed; and the electric sliding table drives the sliding end to move and drives the cutter to trim the edge of the plastic part, and after the movable end of the electric sliding table moves to the other end, the steering motor continues to drive the cutter to rotate by 90 degrees, so that the cutter is stored in the first groove, and storage of the cutter is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mould technical field, concretely is a plastic mould with trimming function. BACKGROUND

[0002] The plastic mould is a kind of for the combination type mould of pressure plastic, extrusion, injection, blow molding and low foaming forming. The coordinated change of mould male die, female die and auxiliary forming system can process a series of plastic parts of different shapes and different sizes.

[0003] However, the current plastic mould does not have the plastic part formed trimming, product demoulding, and there is excess corner around the plastic part between male die and female die, which needs subsequent processing, and it is time-consuming and laborious, and the plastic mould with trimming function is proposed for the above problems. UTILITY MODEL CONTENT

[0004] The utility model is to provide a kind of plastic mould with trimming function to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of plastic mould with trimming function, including base, the base top fixed installation has male die, male die just above is provided with the female die that is compatible therewith, female die top fixed installation has push plate, push plate top is symmetrically provided with two injection tubes, injection tube penetrates push plate to the cavity of female die, base top four corners fixed installation has guide rod, guide rod top end penetrates push plate and is commonly fixedly connected with support plate, guide rod and push plate slidingly connect, support plate top is symmetrically fixedly installed with two first air cylinders, first air cylinder movable end penetrates support plate and is fixedly connected with push plate, male die four sides top is provided with first recess, female die bottom is provided with second recess above first recess, first recess is fixedly installed with electric sliding table, the movable end top of electric sliding table is fixedly installed with steering motor, steering motor output end is fixedly installed with cutter, cutter is built-in in second recess.

[0007] As a further scheme of the utility model: the cutter bottom is flush with the top of male die, and the cutter two sides are symmetrically provided with knife edge.

[0008] As a further scheme of the utility model: the push plate top is fixedly installed with U-shaped plate, U-shaped plate top is fixedly installed with third air cylinder, U-shaped plate is provided with second connecting plate, third air cylinder movable end penetrates U-shaped plate top and is fixedly connected with the top of second connecting plate, the bottom of second connecting plate is symmetrically fixedly connected with two push rods, push rod is sequentially slidingly penetrated push plate and female die, and push rod is fixedly connected with pressing plate in the cavity of female die, the cavity of female die is provided with the storage cavity that is compatible with pressing plate.

[0009] As a further scheme of the utility model: the branch plate is provided with a through hole larger than the size of the U-shaped plate.

[0010] As a further scheme of the utility model: the groove of the male die bottom is provided with a first connecting plate, the top of the first connecting plate is fixedly connected with a top rod in a symmetrical manner, the top rod is built-in in the male die and is in sliding connection with the male die, a second air cylinder is fixedly installed in the base, and the movable end of the second air cylinder penetrates through the top of the base and is fixedly connected with the first connecting plate.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The utility model discloses a first air cylinder movable end contracts, so that the female die is separated from the male die, the movable end fixedly installed of the electric sliding table in the first groove drives the turning motor to drive the cutter to rotate 90 degrees to the formed plastic part, the movable end of the third air cylinder pushes the second connecting plate to move, the second connecting plate pushes the pressing plate to move through the push rod, the formed plastic part is fixed with the male die, and the shaking during the trimming is avoided, the electric sliding table drives the sliding end to move, the cutter is trimmed to the plastic part edge, after the movable end of the electric sliding table moves to the other end, the turning motor continues to drive the cutter to rotate 90 degrees, so that the cutter is stored in the first groove, and the storage of the cutter is realized.

[0013] 2. The utility model discloses that after trimming is completed, the movable end of the first air cylinder and the movable end of the third air cylinder are completely contracted, so that the male die is completely separated from the female die, the movable end of the second air cylinder is elongated, the top rod is pushed upwards through the first connecting plate, so that the formed plastic part is topped from the male die, and the formed plastic part is conveniently taken down. ACCURACY OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of a plastic mold with trimming function.

[0015] Figure 2 It is a partial sectional view of a plastic mold with trimming function.

[0016] Figure 3 It is Figure 1 It is a partial enlarged view of A in the middle.

[0017] Figure 4 It is a top view of the male die in a plastic mold with trimming function.

[0018] In the figure: 1, base; 2, male die; 3, guide rod; 4, female die; 5, push plate; 6, injection tube; 7, support plate; 8, first air cylinder; 9, second air cylinder; 10, first connecting plate; 11, ejector pin; 12, third air cylinder; 13, U-shaped plate; 14, second connecting plate; 15, pressing plate; 16, push rod; 17, first groove; 18, second groove; 19, electric sliding table; 20, steering motor; 21, cutter. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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.

[0020] Please refer to Figures 1 to 4 In the embodiments of the utility model, a plastic mold with trimming function includes base 1, the top of base 1 is fixedly installed with male die 2, male die 2 is provided with female die 4 which is matched with male die 2, the top of female die 4 is fixedly installed with push plate 5, the top of push plate 5 is symmetrically provided with two injection tubes 6, injection tubes 6 penetrate push plate 5 to the mold cavity of female die 4, the top of base 1 is fixedly installed with guide rod 3 at four corners, the top of guide rod 3 penetrates push plate 5 and is fixedly connected with support plate 7, guide rod 3 is slidably connected with push plate 5, the top of support plate 7 is symmetrically fixedly installed with two first air cylinders 8, the movable end of first air cylinder 8 penetrates support plate 7 and is fixedly connected with push plate 5, the top of four sides of male die 2 is provided with first groove 17, the bottom of female die 4 is provided with second groove 18 above first groove 17, electric sliding table 19 is fixedly installed in first groove 17, the movable end of electric sliding table 19 is fixedly installed with steering motor 20 at the top, cutter 21 is fixedly installed at the output end of steering motor 20, cutter 21 is built in second groove 18, the bottom of cutter 21 is flush with the top of male die 2, and the two sides of cutter 21 are symmetrically provided with knife edges.

[0021] In use, the device is connected with air source, controller and power supply, when male die 2 and female die 4 are together, injection tube 6 is used to add plastic into the mold cavity between male die 2 and female die 4, after forming and solidification, the movable end of first air cylinder 8 is retracted, so that female die 4 is separated from male die 2, the movable end of electric sliding table 19 in first groove 17 is fixedly installed with steering motor 20, which drives cutter 21 to rotate 90° to the formed plastic part, the movable end of electric sliding table 19 is driven to move, cutter 21 is driven to trim the edge of the plastic part, after the movable end of electric sliding table 19 moves to the other end, steering motor 20 continues to drive cutter 21 to rotate 90°, so that cutter 21 is stored in first groove 17, realizing the storage of cutter 21.

[0022] The top of the push plate 5 is fixedly provided with a U-shaped plate 13, the top of the U-shaped plate 13 is fixedly provided with a third cylinder 12, the U-shaped plate 13 is internally provided with a second connecting plate 14, the movable end of the third cylinder 12 penetrates through the top of the U-shaped plate 13 and is fixedly connected with the top of the second connecting plate 14, the bottom of the second connecting plate 14 is fixedly connected with two push rods 16 in a symmetrical mode, the push rods 16 sequentially slide and penetrate through the push plate 5 and the concave die 4, the push rod 16 is fixedly connected with a pressing plate 15 in the mold cavity of the concave die 4, the mold cavity of the concave die 4 is provided with a receiving cavity matched with the pressing plate 15, the movable end of the third cylinder 12 pushes the second connecting plate 14 to move, the second connecting plate 14 pushes the pressing plate 15 to move through the push rod 16, and the formed plastic part is fixed with the convex die 2, so that shaking is avoided during trimming.

[0023] The branch plate 7 is provided with a through hole larger than the size of the U-shaped plate 13.

[0024] The first connecting plate 10 is arranged in the groove at the bottom of the convex die 2, the top of the first connecting plate 10 is fixedly connected with a top rod 11 in a symmetrical mode, the top rod 11 is arranged in the convex die 2 and is in sliding connection with the convex die 2, the second cylinder 9 is fixedly arranged in the base 1, the movable end of the second cylinder 9 penetrates through the top of the base 1 and is fixedly connected with the first connecting plate 10, after trimming is completed, the movable end of the first cylinder 8 and the movable end of the third cylinder 12 are completely retracted, the movable end of the second cylinder 9 is elongated, the first connecting plate 10 pushes the top rod 11 to move upwards, and the formed plastic part is lifted from the convex die 2.

[0025] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A plastic mold with a trimming function, comprising a base (1), characterized in that: The top of the base (1) is fixedly provided with a male die (2), a female die (4) is arranged above the male die (2), the top of the female die (4) is fixedly provided with a push plate (5), two injection tubes (6) are symmetrically arranged on the top of the push plate (5), the injection tubes (6) penetrate through the push plate (5) to the mold cavity of the female die (4), guide rods (3) are fixedly arranged at the top of the four corners of the base (1), the top ends of the guide rods (3) penetrate through the push plate (5) and are fixedly connected with a support plate (7), the guide rods (3) are slidingly connected with the push plate (5), the top of the support plate (7) is fixedly provided with two first air cylinders (8), the movable ends of the first air cylinders (8) penetrate through the support plate (7) and are fixedly connected with the push plate (5), first grooves (17) are formed in the top of the four sides of the male die (2), second grooves (18) are formed in the bottom of the female die (4) above the first grooves (17), an electric sliding table (19) is fixedly arranged in the first grooves (17), a steering motor (20) is fixedly arranged on the top of the movable end of the electric sliding table (19), a cutter (21) is fixedly arranged on the output end of the steering motor (20), and the cutter (21) is arranged in the second grooves (18).

2. The plastic mold with trimming function according to claim 1, characterized in that: The bottom of the cutter (21) is flush with the top of the male die (2), and cutter edges are symmetrically arranged on the two sides of the cutter (21).

3. The plastic mold with trimming function according to claim 1, characterized in that: The top of the push plate (5) is fixedly provided with a U-shaped plate (13), the top of the U-shaped plate (13) is fixedly provided with a third air cylinder (12), a second connecting plate (14) is arranged in the U-shaped plate (13), the movable end of the third air cylinder (12) penetrates through the top of the U-shaped plate (13) and is fixedly connected with the top of the second connecting plate (14), two push rods (16) are fixedly connected with the bottom of the second connecting plate (14), the push rods (16) slidingly penetrate through the push plate (5) and the female die (4) in sequence, a pressing plate (15) is fixedly connected with the push rods (16) in the mold cavity of the female die (4), and a receiving cavity matched with the pressing plate (15) is arranged in the mold cavity of the female die (4).

4. The plastic mold with trimming function according to claim 1, characterized in that: The support plate (7) is provided with a through hole larger than the size of the U-shaped plate (13).

5. The plastic mold with trimming function according to claim 1, characterized in that: A first connecting plate (10) is arranged in the groove of the bottom of the male die (2), top rods (11) are fixedly connected with the top of the first connecting plate (10) in a symmetrical manner, the top rods (11) are arranged in the male die (2), and the top rods (11) are slidingly connected with the male die (2), a second air cylinder (9) is fixedly arranged in the base (1), and the movable end of the second air cylinder (9) penetrates through the top of the base (1) and is fixedly connected with the first connecting plate (10).

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