Injection mold with vacuum suction function

Abstract

The utility model provides an injection mold with a vacuum suction function, which comprises a lower mold, an upper mold is movably mounted at the top of the lower mold, a fixing block is welded on the side of the upper mold, a positioning column is welded on the fixing block, a positioning pipe is movably mounted on the positioning column, a supporting block is fixed on the positioning pipe, and the supporting block is fixed on the upper mold. One end of the supporting block is welded to the lower die, an air pipe connector is fixedly installed on the side of the lower die, and a supporting frame is fixed to the bottom of the lower die. According to the injection mold with the vacuum suction function, the injection mold enters inwards through the air pipe connector in the later period, air pressure pushes the piston seat and the movable seat to move upwards, the movable seat and the piston seat move upwards to push out the mold formed in the lower mold cavity upwards, and later discharging is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold equipment field, concretely is an injection mold with vacuum air suction. BACKGROUND

[0002] Injection mold is a kind of industrial production plastic product tool, raw material usually adopts hot melt rubber or plastic and is added to mold injection, and various shapes plastic products are made using mold main forming equipment, air in mold cavity cannot be completely discharged when material injection, residual air in mold cavity, will make raw material not fill in mold cavity, cause the edge of product forming incomplete disadvantage.

[0003] According to the patent literature disclosed in the prior art with the publication number CN218700945U, a kind of injection mold with vacuum air suction device, it includes injection box, the inside of the injection box is equipped with fixed seat, the inside of the fixed seat is equipped with lower mold, upper mold, the upper mold is located at the position close to top in the inside of the injection box, and air suction component, the air suction component is located at the top of the upper mold, for the air extraction treatment to the inside of the upper mold and the lower mold, the technical scheme is used, the lower mold is installed in the inside of injection box by fixed seat, and it is supported and placed, residual air in the inside of upper mold and lower mold is extracted by air suction component during injection molding process, and is discharged to the outside of injection box, so that the inside of upper mold and lower mold is in relative vacuum state, avoid filling not full when raw material is added to mold cavity, conducive to product edge forming complete, although the device realizes the discharge of air, but it is not convenient to take out after material injection forming in later period, there is inconvenience when using. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims to provide an injection mold with vacuum air suction to solve the problems raised in the background art, and the utility model has a novel structure, which is driven by the piston seat to move downward in later period, generates downward suction force while moving downward, and drives the material to move downward to fill the upper mold cavity and the lower mold cavity, so that the material can be quickly filled into the mold.

[0005] To achieve the above object, the utility model is implemented by the following technical scheme: an injection mold with vacuum air suction, comprising a lower mold, an upper mold movably mounted on the top of the lower mold, a fixed block welded on the side of the upper mold, a positioning column welded on the fixed block, a positioning tube movably mounted on the positioning column, a support block fixed on the positioning tube, one end of the support block welded on the lower mold, a gas pipe joint fixedly installed on the side of the lower mold, and a lower mold cavity formed in the inside of the lower mold.

[0006] Further, the upper mold is internally provided with an upper mold cavity, and a movable seat is movably arranged between the upper mold cavity and the lower mold cavity, and a piston seat is fixed to the bottom of the movable seat.

[0007] Further, a movable column is fixed to the bottom of the piston seat, the bottom of the lower mold is provided with an opening, and the movable column is movably arranged in the opening.

[0008] Further, a limiting block is fixed to the inner wall of the opening, a limiting slot is formed in the movable column, and the limiting block is movably arranged in the limiting slot.

[0009] Further, a ring groove is formed in the lower mold, a sealing ring is movably arranged in the ring groove, and one end of the sealing ring is fixed to the upper mold.

[0010] Further, the positioning pipe is internally provided with a cavity, a lifting mechanism is fixedly arranged in the cavity, and one end of the lifting mechanism is movably connected with the positioning column.

[0011] Further, the top of the upper mold is fixedly provided with a feeding pipe, and one end of the feeding pipe is connected with the upper mold cavity.

[0012] Further, one end of the tracheal connector is arranged at the side of the lower mold cavity, and the bottom of the lower mold is fixedly provided with a support frame.

[0013] The present application has the following beneficial effects:

[0014] 1. The injection mold with vacuum suction can move the movable seat downward under the drive of the piston seat in the later stage of use, and the movable seat moves downward while generating downward suction force, and the suction force drives the material to move downward to fill the upper mold cavity and the lower mold cavity, so that the material can be quickly filled into the mold.

[0015] 2. The injection mold with vacuum suction can enter inward through the tracheal connector in the later stage, and the air pressure drives the piston seat and the movable seat to move upward, and the movable seat and the piston seat push the mold formed by the lower mold cavity upward, so that the material can be discharged in the later stage.

[0016] 3. The injection mold with vacuum suction can realize positioning installation of the upper mold and the lower mold through the positioning column and the positioning pipe, and the positioning column drives the upper mold and the lower mold to open after being pushed upward by the lifting mechanism, so that the interior of the mold can be conveniently cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structure schematic view of the injection mold with vacuum suction.

[0018] Fig. 2The utility model discloses a structure schematic diagram of upper die and lower die side view section of injection mold with vacuum suction.

[0019] Fig. 3 The utility model discloses a movable seat three -dimensional structure schematic diagram of injection mold with vacuum suction.

[0020] In the drawing: 1, lower die; 2, upper die; 3, fixed block; 4, positioning column; 5, positioning pipe; 6, support block; 7, gas pipe joint; 8, support frame; 9, feed pipe; 10, lifting mechanism; 11, upper die cavity; 12, movable seat; 13, piston seat; 14, ring groove; 15, sealing ring; 16, movable column; 17, opening; 18, limiting block; 19, limiting groove. Specific implementation

[0021] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation.

[0022] Please refer to Figs. 1 to 3 The utility model provides a kind of technical scheme: a kind of injection mold with vacuum suction, including lower die 1, the top movable installation of the lower die 1 is equipped with upper die 2, the side welding of the upper die 2 is equipped with fixed block 3, the welding of fixed block 3 is equipped with positioning column 4, the movable installation of positioning column 4 is equipped with positioning pipe 5 on, the fixed support block 6 of positioning pipe 5, one end of the support block 6 is welded on lower die 1, the side fixed installation of the lower die 1 is equipped with gas pipe joint 7, the inside of the lower die 1 is opened lower die cavity, the inside of the upper die 2 is opened upper die cavity 11, movable seat 12 is movably installed between the upper die cavity 11 and lower die cavity, the bottom of movable seat 12 is fixed with piston seat 13, piston seat 13 realizes sealing with the inner wall of die cavity by rubber block, while piston seat 13 moves, material is entered and filled into mold by making air down.

[0023] In the embodiment, the bottom of piston seat 13 is fixed with movable column 16, the bottom of lower die 1 is opened opening 17, movable column 16 is movably installed in the inside of opening 17, limiting block 18 is fixed on the inner wall of opening 17, limiting groove 19 is opened on movable column 16, limiting block 18 is movably installed in the inside of limiting groove 19, ring groove 14 is opened on the lower die 1, sealing ring 15 is movably installed in the inside of ring groove 14, one end of sealing ring 15 is fixed on the upper die 2, limiting block 18 and limiting groove 19 realize the fixed point limiting of piston seat 13 and movable seat 12, and the height of moving and the height of descending are positioned.

[0024] The inside of the positioning pipe 5 is provided with a cavity, a lifting mechanism 10 is fixedly installed in the cavity, one end of the lifting mechanism 10 is movably connected with the positioning column 4, the top of the upper mold 2 is fixedly provided with a feeding pipe 9, one end of the feeding pipe 9 is connected with an upper mold cavity 11, one end of the air pipe joint 7 is installed on the side of the lower mold cavity, the bottom of the lower mold 1 is fixedly provided with a support frame 8, the lifting mechanism 10 is a linear reciprocating electric push rod, the lifting mechanism 10 drives the positioning column 4 to move up and down, and the up-and-down movement of the positioning column 4 controls the opening of the space between the molds.

[0025] When the device is used, a vacuum air pump is installed on the air pipe joint 7 through a pipeline, when injection molding, the material is fed into the upper mold cavity 11 in the upper mold 2 through the feeding pipe 9, the external vacuum air pump is started to perform air suction, the piston seat 13 is sealed with the inner wall of the mold cavity through the rubber block, the piston seat 13 moves while air is sucked downward to make the material move downward along with the movable seat 12 and enter and fill the mold, when the movable seat 12 moves into the lower mold 1, the limiting block 18 and the limiting groove 19 cooperate to limit the movable seat 12, after limiting, the material is gradually cooled and formed on the top of the movable seat 12, after the material is formed, the external air pump is started to be connected with the other two air pipe joints 7, the gas is inwardly entered, after inwardly entering, the air pressure drives the movable seat 12 and the piston seat 13 to move upward, the upward movement of the movable seat 12 drives the material to move upward, the lifting mechanism 10 is started to drive the positioning column 4 to move upward, the upward movement of the positioning column 4 makes the upper mold 2 and the lower mold 1 open a certain width, which is convenient for taking out the formed material later and also is convenient for cleaning the molds.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any figure reference in the claims should not be regarded as limiting the involved claims.

[0027] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An injection mold with vacuum suction, comprising a lower mold (1), characterized in that: The upper mold (2) is movably installed on the top of the lower mold (1). A fixing block (3) is welded to the side of the upper mold (2). A positioning column (4) is welded to the fixing block (3). A positioning tube (5) is movably installed on the positioning column (4). A support block (6) is fixed on the positioning tube (5). One end of the support block (6) is welded to the lower mold (1). An air pipe connector (7) is fixedly installed on the side of the lower mold (1). The lower mold (1) has a lower mold cavity inside.

2. The injection mold with vacuum suction according to claim 1, characterized in that: The upper mold (2) has an upper mold cavity (11) inside. A movable seat (12) is movably installed between the upper mold cavity (11) and the lower mold cavity. A piston seat (13) is fixed at the bottom of the movable seat (12).

3. The injection mold with vacuum suction according to claim 2, characterized in that: The bottom of the piston seat (13) is fixed with a movable column (16), and the bottom of the lower mold (1) has an opening (17). The movable column (16) is movably installed inside the opening (17).

4. The injection mold with vacuum suction according to claim 3, characterized in that: A limiting block (18) is fixed on the inner wall of the opening (17), and a limiting groove (19) is opened on the movable column (16). The limiting block (18) is movably installed inside the limiting groove (19).

5. The injection mold with vacuum suction according to claim 1, characterized in that: The lower mold (1) has an annular groove (14), and a sealing ring (15) is movably installed inside the annular groove (14). One end of the sealing ring (15) is fixed on the upper mold (2).

6. The injection mold with vacuum suction according to claim 1, characterized in that: The positioning tube (5) has a cavity inside, and a lifting mechanism (10) is fixedly installed inside the cavity. One end of the lifting mechanism (10) is in contact with the positioning column (4).

7. The injection mold with vacuum suction according to claim 1, characterized in that: The top of the upper mold (2) is fixed with a feed pipe (9), one end of which is connected to the upper mold cavity (11).

8. The injection mold with vacuum suction according to claim 1, characterized in that: One end of the air pipe connector (7) is installed on the side of the lower mold cavity, and a support frame (8) is fixed at the bottom of the lower mold (1).

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