High-continuity secondary injection mold

Abstract

The utility model provides a high-continuity secondary injection mold, which comprises a first mold base and a second mold base matched with the first mold base in a lifting way, the center of the first mold base is rotatably connected with a rotating tower, a first injection position, a second injection position and a discharging position are sequentially arranged between the first mold base and the second mold base around the rotating tower, and the discharging position is arranged between the first mold base and the second mold base. The first injection molding position and the second injection molding position are each internally provided with a fixed mold and a movable mold, all the fixed molds are arranged on the first mold base, all the movable molds are arranged on the second mold base, and a plurality of fixing frames corresponding to the first injection molding position, the discharging position and the second injection molding position respectively are arranged at the top of the rotating tower. At least part of the fixing frame extends into the injection molding cavity defined by the fixed mold and the movable mold, primary injection molding can be carried out on a connecting insert, secondary injection molding can be carried out on a finished product subjected to primary injection molding at the same time, and the production efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection mold field, concretely relates to a kind of high continuous secondary injection mold. BACKGROUND

[0002] In the field of injection molding device, in order to ensure that the internal structure of injection molding product is more stable after forming, or a product needs to be injection molded with different colors, materials, this needs to be injection molded multiple times, called secondary injection molding. In the existing injection molding process, after the first injection molding forms a first injection molding product, it is usually necessary to manually remove the first injection molding product from the first injection molding mold and place it in the secondary injection molding mold for injection molding to form a secondary injection molding product. After processing, the secondary injection molding product in the secondary injection molding mold is usually removed by hand, which has safety problems and low efficiency. SUMMARY

[0003] (1) Technical problem to be solved

[0004] The utility model provides a kind of high continuous secondary injection mold, to solve the secondary injection molding product in secondary injection mold by hand and take out, there is safety problem, and the problem of low efficiency.

[0005] (2) Technical scheme

[0006] The utility model provides a kind of high continuous secondary injection mold, including first mould seat and with the second mould seat of first mould seat lifting cooperation, the first mould seat bottom is equipped with fixed seat, the first mould seat center is rotatably connected with turret, the first mould seat with the second mould seat between around the turret is sequentially provided with first injection position, second injection position and discharge position, the first injection position, the second injection position is equipped with fixed mould and movable mould in, each fixed mould is set on the first mould seat, each movable mould is set on the second mould seat, the turret top is provided with corresponding with the first injection position, the discharge position, the second injection position several fixed frame, at least part of the fixed frame extends into the injection cavity formed by the fixed mould and the movable mould.

[0007] Preferably, the top of the turret is provided with a turntable, the turntable is provided with a plurality of mounting grooves corresponding to each fixed frame around the center, and a plurality of screw holes are provided in the mounting grooves along the extension direction for fixed installation with the fixed frame.

[0008] Preferably, the fixed frame includes a mounting portion and a fixed portion, the mounting portion is fixedly installed with the screw hole in the mounting groove, and the fixed portion includes a plurality of connecting inserts.

[0009] Preferably, at least part of the connecting insert penetrates through the movable die and / or fixed die and extends into the injection cavity.

[0010] Preferably, the first mold base bottom is provided with a lifting part for driving the first mold base to move towards the second mold base.

[0011] Preferably, the turret is provided with a guide rod which sequentially slides through the first mold base and the second mold base.

[0012] Preferably, the discharge position is provided with a discharge mechanism, which comprises a horizontal driving element and a push plate, and the output shaft of the horizontal driving element is connected with a connecting part, and the other end of the connecting part is connected with the push plate.

[0013] Preferably, the connecting part comprises a connecting block and a push rod, the output end of the horizontal driving element is connected with the connecting block, one end of the push rod is connected with the connecting block, and the other end is connected with the push plate.

[0014] Preferably, the first mold base is fixedly installed with a limiting seat on the side close to the push plate, and the push rod slides through the limiting seat and is connected with the push plate.

[0015] Preferably, the push rod is provided with a limiting block between the connecting block and the limiting seat for limiting cooperation with the limiting seat.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] When in use, the fixed frame of the turret at the first injection position extends into the movable mold and the fixed mold, and a primary injection product is formed by injection into the movable mold and the fixed mold, the second mold base is driven to rise by the external lifting assembly, the movable mold and the fixed mold are separated, the fixed frame and the primary injection product on the turret are rotated to between the fixed mold and the movable mold in the second injection position by separating the turret from the fixed mold, the primary injection product is placed on the fixed mold in the second injection position by lowering the turret, the movable mold and the fixed mold are closed by lowering the second mold base, a secondary injection product is formed by secondary injection on the primary injection product, and finally the second mold base is raised, the fixed frame with the secondary injection product is rotated to the discharge position by raising the turret, and the secondary injection product is discharged, realizing automatic production in the whole process of primary injection, secondary injection and discharge. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a structural schematic view of the utility model.

[0019] Fig. 2 It is a structural schematic view of the turret of the utility model.

[0020] Fig. 3 It is a structural schematic view of the rotating disc of the utility model.

[0021] Fig. 4 Figure 1 is a use state diagram of the utility model.

[0022] Fig. 5 Figure 2 is a use state diagram two of the utility model.

[0023] Fig. 6 Figure 3 is a cross-sectional view of the injection cavity of the utility model.

[0024] Fig. 7 Figure 4 is a schematic diagram of the area division structure of the utility model.

[0025] Reference signs:

[0026] 1-first mold base, 10-first injection position, 101-insert part groove, 102-injection cavity, 103-fixed seat, 11-fixed mold, 12-turret, 120-rotating disc, 121-mounting groove, 122-screw hole, 123-guide rod, 13-fixed frame, 131-mounting part, 132-fixed part, 133-connection insert part, 14-lifting mechanism, 141-mounting frame, 142-lifting driving part, 2-second mold base, 20-second injection position, 21-moving mold, 3-discharging mechanism, 30-discharging position, 5-cooling position. DETAILED DESCRIPTION

[0027] 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.

[0028] As shown in Figs. 1-7 The utility model provides a high continuous secondary injection mold, including first mold base 1 and with first mold base 1 lifting cooperation's second mold base 2, first mold base 1 bottom is equipped with fixed seat 103, first mold base 1 center is rotationally connected with turret 12, first mold base 1 with second mold base 2 between around turret 12 sequentially be equipped with first injection position 10, second injection position 20 and discharging position 30, first injection position 10, second injection position 20 all are equipped with fixed mold 11 and moving mold 21, each fixed mold 11 sets up on first mold base 1, each moving mold 21 sets up on second mold base 2, turret 12 top is provided with a plurality of fixed frame 13 respectively with first injection position 10, discharging position 30, second injection position 20 corresponding.

[0029] Further, as Figs. 2-3As shown, the turret 12 top is provided with a rotating disc 120, which is provided with a plurality of mounting slots 121 corresponding to each of the fixed frame 13 around the center, and a plurality of screw holes 122 are provided in the mounting slots 121 along the extension direction for fixed installation with the fixed frame 13. The fixed frame 13 includes a mounting portion 131 and a fixed portion 132, the mounting portion 131 is fixedly installed with the screw hole 122 in the mounting slot 121, and the fixed portion 132 includes a plurality of connecting inserts 133 extending into the fixed mold 11. Each of the movable mold 21 and the corresponding fixed mold 11 forms an injection cavity 102 after closing, and at least part of the connecting insert 133 extends into the injection cavity 102 through the movable mold 21 and / or the fixed mold 11. Each of the movable mold 21 and the corresponding fixed mold 11 forms an insert slot 101 after closing, and the connecting insert 133 is arranged in the insert slot 101. The first mold base 1 and the second mold base 2 are also provided with a cooling position 5 between the first injection position 10 and the second injection position 20, and on the opposite side of the discharge position 30. Specifically, the rotating disc 120 on the turret 12 is driven by the turret 12 to rotate the fixed frame 13 on the rotating disc 120 to realize the production process of the fixed frame 13 entering the first injection position 10, the second injection position 20 and the discharge position 30 in turn for one injection, secondary injection and discharge; in use, the connecting insert 133 of one of the fixed frames 13 on the rotating disc 120 of the turret 12 extends into the movable mold 21 and the fixed mold 11, and forms a primary injection product by injection into the movable mold 21 and the fixed mold 11, the second mold base 2 is driven by the lifting assembly to rise and separate from the first mold base 1, the movable mold 21 and the fixed mold 11 are separated, the turret 12 is lifted by the lifting mechanism 14 to separate from the fixed mold 11, the connecting insert 133 of the fixed frame 13 on the turret 12 and the primary injection product are located between the fixed mold 11 and the movable mold 21, the primary injection product is rotated to another set of fixed mold 11 and movable mold 21 by the turret 12, the connecting insert 133 of the fixed frame 13 is lowered by the lifting mechanism 14 to place the primary injection product on the fixed mold 11, the second mold base 2 is lowered by the lifting assembly, the movable mold 21 and the fixed mold 11 are closed, the primary injection product is secondary injection molded by injection, and finally the second mold base 2 is lifted, the turret 12 is lifted by the lifting mechanism 14, the fixed frame 13 with the secondary injection product is rotated to the discharge position 30 for discharge, realizing automatic production effect; the fixed frame needs to be injected in the first injection position 10, the fixed frame 13 is rotated to the cooling position 5 by the turret for natural cooling, at the same time, injection is carried out in the first injection position 10 and the second injection position 20, and the primary injection product on the fixed frame 13 in the cooling position 5 is fully cooled in this process, and has better molding effect when entering the second injection position 20 for secondary injection.

[0030] Further, as shown in Figs. 2-5 The first mold seat 1 and the turret 12 are provided with a lifting mechanism 14 to drive the turret 12 to independently lift. The lifting mechanism 14 includes a mounting frame 141 and a lifting drive 142. The top of the mounting frame 141 is connected with the bottom of the first mold seat 1. The bottom of the turret 12 is fixedly installed in the mounting frame 141. The lifting drive 142 is fixedly connected with the mounting frame 141. The output shaft of the lifting drive 142 extends upward and is fixedly connected with the first mold seat 1. The lifting drive 142 is provided with at least two, and is symmetrically arranged around the turret 12. The first mold seat 1 and the second mold seat 2 are provided with a plurality of guide rods 123. The guide rods 123 are sequentially and spacedly arranged around the turret 12. The second mold seat 2 is slidingly connected along the guide rods 123. Specifically, in use, the output shaft is driven to extend by the lifting drive 142. The lifting drive 142 moves downward and drives the mounting frame 141 to move downward, so as to drive the turret 12 to move downward. Finally, the fixed frame 13 is placed in the part of the insert groove 101 located on the mold 11. The second mold seat 2 is lowered along the guide rod 123 to close the mold 21 and the mold 11 to form the injection cavity 102. The connecting insert 133 is enclosed in the injection cavity 102 and the insert groove 101 to achieve the lifting effect.

[0031] Further, the discharge mechanism 3 is arranged in the discharge position 30, the discharge mechanism 3 comprises a horizontal driving piece and a push plate, the output shaft of the horizontal driving piece is connected with a connecting part, and the other end of the connecting part is connected with the push plate. The connecting part comprises a connecting block and a push rod, the output end of the horizontal driving piece is connected with the connecting block, one end of the push rod is connected with the connecting block, and the other end of the push rod is connected with the push plate. The first mold base 1 is fixedly installed with a limiting seat on the side close to the push plate, and the push rod is connected with the push plate by sliding through the limiting seat. The push rod is provided with a limiting block at the part between the connecting block and the limiting seat, so that the limiting block is limited with the limiting seat. Specifically, one of the fixed frames 13 of the turret 12 extends into the movable die 21 and the fixed die 11, and a primary injection molding product is formed by injection molding into the movable die 21 and the fixed die 11. The second mold base 2 is driven to rise by the lifting assembly, so that the movable die 21 and the fixed die 11 are separated. The turret 12 is lifted and separated from the fixed die 11 by the lifting part 4, so that the fixed frame 13 and the primary injection molding product on the turret 12 are located between the fixed die 11 and the movable die 21. The primary injection molding product is rotated to another set of fixed die 11 and movable die 21 by rotating the turret 12. The turret 12 is lowered by the lifting part 4, so that the primary injection molding product is placed on the fixed die 11. The second mold base 2 is lowered by the lifting assembly, so that the movable die 21 and the fixed die 11 are closed. The primary injection molding product is subjected to secondary injection molding to form a secondary injection molding product. Finally, the second mold base 2 is lifted, the turret 12 is lifted by the lifting part 4, the fixed frame 13 with the secondary injection molding product is rotated to the discharge mechanism 3 for discharging. Specifically, the connecting block is driven by the horizontal driving piece, and then the push rod is pushed. The push rod slides through the limiting seat, and at the same time, the push plate moves away from the first mold base 1, and the secondary injection molding product is separated from the connecting insert 133 and falls off. In this process, the push plate is pushed by the horizontal driving piece, so as to move towards the lifting part 4 of the turret 12. By arranging the limiting block on the push rod between the push plate and the limiting seat, when the limiting block abuts against the limiting seat, the horizontal driving piece cannot push the push plate any more. At this time, the push plate does not contact the lifting part 4 of the turret 12, the limiting effect is achieved, and the push plate is prevented from contacting the lifting part 4.

[0032] The working principle of the utility model is described in detail as follows.

[0033] In use, the fixed frame 13 of the turret 12 at the first injection position extends into the movable mold 21 and the fixed mold 11, and a primary injection product is formed by injection into the movable mold 21 and the fixed mold 11. The second mold base 2 is raised by the external lifting assembly, the movable mold 21 and the fixed mold 11 are separated, the turret 12 is raised and separated from the fixed mold 11, the fixed frame 13 and the primary injection product on the turret 12 are rotated to between the fixed mold 11 and the movable mold 21 at the second injection position 20, the primary injection product is placed on the fixed mold 11 at the second injection position 20 by lowering the turret 12, the second mold base 2 is lowered by the external lifting assembly, the movable mold 21 and the fixed mold 11 are closed, the primary injection product is subjected to secondary injection to form a secondary injection product, and finally the second mold base 2 is raised, the turret 12 is raised, the fixed frame 13 with the secondary injection product is rotated to the discharge position 30 by the turret 12, and the secondary injection product is discharged, realizing automatic production of the whole process of primary injection, secondary injection and discharge.

[0034] 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 description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

[0035] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A high-continuous two-shot injection mold characterized by: The utility model provides a moulding machine, including first mould base (1) and with first mould base (1) elevating cooperation second mould base (2), first mould base (1) bottom is equipped with fixed seat (103), first mould base (1) center is equipped with rotating elevating connection's turret (12), first mould base (1) with second mould base (2) between around turret (12) sequentially be equipped with first injection position (10), second injection position (20) and discharge position (30), first injection position (10), second injection position (20) all be equipped with fixed mould (11) and movable mould (21), each fixed mould (11) sets up on first mould base (1), each movable mould (21) sets up on second mould base (2), turret (12) top is provided with a plurality of fixed frame (13) respectively with first injection position (10), second injection position (20), discharge position (30) cooperation uses, at least part of fixed frame (13) extends to the injection cavity (102) that is enclosed by fixed mould (11) and movable mould (21).

2. The high-continuous two-shot injection mold of claim 1, wherein: The top of the turret (12) is provided with a turntable (120), and the turntable (120) is provided with a plurality of mounting grooves (121) corresponding to each fixed frame (13) around the center. A plurality of screw holes (122) are arranged in the mounting grooves (121) along the extension direction to realize fixed installation with the fixed frame (13).

3. The high-continuous two-shot injection mold of claim 2, wherein: The fixed frame (13) includes a mounting portion (131) and a fixing portion (132). The mounting portion (131) is fixedly installed with the screw holes (122) in the mounting grooves (121), and the fixing portion (132) includes a plurality of connecting inserts (133).

4. The high-precision overmolding mold according to claim 3, characterized in that: At least part of the connecting inserts (133) passes through the movable mould (21) and / or the fixed mould (11) and extends into the injection cavity (102).

5. The high-continuous two-shot injection mold of claim 4, wherein: Each movable mould (21) forms an insert groove (101) after closing with the corresponding fixed mould (11), and the connecting inserts (133) are arranged in the insert groove (101).

6. The high-precision overmolding mold according to claim 1, wherein: The first mould base (1) and the second mould base (2) are further provided with a cooling position (5) between the first injection position (10) and the second injection position (20), and on the opposite side of the discharge position (30).

7. The high-precision overmolding mold according to claim 1, wherein: The first mould base (1) and the turret (12) are provided with a lifting mechanism (14) to drive the turret (12) to independently lift.

8. The high-continuous two-shot injection mold of claim 7, wherein: The lifting mechanism (14) includes a mounting frame (141) and a lifting driving member (142). The top of the mounting frame (141) is connected with the bottom of the first mould base (1), the bottom of the turret (12) is fixedly installed in the mounting frame (141), the lifting driving member (142) is fixedly connected with the mounting frame (141), and the output shaft of the lifting driving member (142) extends upward and is fixedly connected with the first mould base (1).

9. The high-precision overmolding mold according to claim 8, characterized in that: The lifting driving member (142) is provided with at least two, and is symmetrically arranged around the turret (12).

10. The high-precision overmolding mold according to claim 1, characterized in that: A plurality of guide rods (123) are arranged between the first die holder (1) and the second die holder (2), the guide rods (123) are arranged in sequence and at intervals around the turret (12), and the second die holder (2) is slidably connected along each guide rod (123).

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