Injection mold with rotary core-pulling mechanism

Abstract

The utility model relates to the technical field of molds, in particular to an injection mold with a rotary core-pulling mechanism, which comprises a mold main body and a rotary mold core arranged in the mold main body, the rotary assembly is arranged between the mold main body and the rotary mold core and is used for limiting the rotary mold core; moving assemblies are arranged on the two sides of the mold body and used for moving the rotary mold core. According to the injection mold with the rotary core-pulling mechanism, the arc-shaped pieces can be disassembled, assembled and replaced by rotating the fixing pieces upwards, the radian and the distance between the arc-shaped pieces can be adjusted conveniently according to different sizes of the rotary mold core, and the applicability of the injection mold is improved; and meanwhile, the moving assemblies are arranged on the two sides of the mold body, two sets of moving pieces and the rotating mold core can be synchronously driven to conduct rotating core pulling through driving of a set of air cylinders, the utilization rate of the air cylinders is increased, and the overall cost of the mold body is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely is a kind of injection mould with rotary core-pulling mechanism. BACKGROUND

[0002] Injection mould is a kind of special tool for plastic injection molding process, mainly by the heated molten plastic injection into mould cavity, after cooling, solidification obtains finished product, wherein the rotary core-pulling type injection mould mainly rotates and extracts core through rotary core-pulling assembly, to complete the demoulding of plastic part, can be used to produce plastic product with complex geometry and high precision requirement.

[0003] The structure of current injection mould is mainly through cylinder to drive mould core to rotate and demould in mould, since the size of arc-shaped mould groove in mould is fixed, there is difference in size between mould core of different shapes, and the arc-shaped mould groove of fixed size has lower applicability, cannot completely adapt to these differences, is easy to cause the situation that there is not tight cooperation or interference between mould core and arc-shaped mould groove in rotating demoulding process, can affect the smooth progress of demoulding, to cause the damage of mould or the deformation of plastic part. SUMMARY

[0004] The utility model discloses a kind of injection mould with rotary core-pulling mechanism, to solve the size of arc-shaped mould groove in mould in the background technology described above is fixed, cannot adapt to mould core of different shapes, it is easy to cause the situation that there is not tight cooperation or interference between mould core and arc-shaped mould groove, to cause the damage of mould or the deformation of plastic part problem.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of injection mould with rotary core-pulling mechanism, including mould main body and the rotary mould core being set in mould main body inside;Further including;

[0006] Rotary component, the rotary component is arranged between mould main body and rotary mould core, the rotary component is used to limit rotary mould core, the rotary component includes arc-shaped piece, the arc-shaped piece is movably inserted in the top of mould main body, the top of the arc-shaped piece is provided with fixed part;

[0007] Moving component, the moving component is arranged at the two sides of mould main body, the moving component is used to move rotary mould core, the moving component includes moving part, the moving part is arranged at the two sides of mould main body, the side wall of the moving part is provided with cylinder, the cylinder is fixedly installed at the two sides of mould main body.

[0008] Preferably, the rotary component further includes a vertical rod, the vertical rod is fixedly connected inside the mold body, and the arc-shaped piece is sleeved on the outer circumferential wall of the vertical rod.

[0009] Preferably, a screw rod is threadedly connected to the top of the vertical rod, and the fixing member is rotatably connected to the outer circumferential wall of the screw rod.

[0010] Preferably, the fixing member is sleeved on the top of the vertical rod, a rubber pad is fixedly connected to the bottom of the fixing member, and the rubber pad abuts against the top of the arc-shaped member.

[0011] Preferably, the moving assembly further comprises a movable member, and the movable member is rotatably connected to the top of the rotating mold core.

[0012] Preferably, an axle rod is fixedly connected to the end side of the movable member, and the moving member is rotatably connected to the outer circumferential wall of the axle rod.

[0013] Preferably, a connecting plate is fixedly connected to the end of the moving member, and the connecting plate is fixedly connected to the output shaft of the air cylinder.

[0014] Preferably, a plurality of sets of stabilizing members are fixedly connected to the two sides of the mold body, a support member is fixedly connected to the top of the stabilizing member, and the moving member is slidingly connected to the top of the support member.

[0015] Compared with the prior art, the mold body has the advantages that: the rotating assembly is arranged between the mold body and the rotating mold core, the arc-shaped member can be quickly disassembled and replaced by rotating the fixing member upward, the radian and the spacing between the arc-shaped members can be adjusted according to the different sizes of the rotating mold core, and the applicability is improved.

[0016] Meanwhile, the moving assembly is arranged on the two sides of the mold body, and the two sets of moving members and the rotating mold core can be simultaneously driven to rotate by the driving of one set of air cylinders, the utilization rate of the air cylinder is improved, and the overall cost of the mold body is saved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 FIG. 1 is a perspective view of the mold body of the utility model;

[0018] Figure 2 FIG. 4 is a perspective view of the rotating mold core of the utility model;

[0019] Figure 3 FIG. 6 is a perspective view of the moving assembly of the utility model;

[0020] Figure 4 FIG. 7 is a perspective view of the rotating mold core of the utility model;

[0021] Figure 5 FIG. 8 is a perspective view of the fixing member of the utility model.

[0022] In the figure: 1, mold body; 2, rotating mold core; 3, rotating assembly; 301, vertical rod; 302, arc-shaped part; 303, fixing part; 3031, rubber pad; 304, lead screw; 4, moving assembly; 401, moving part; 402, connecting plate; 403, air cylinder; 404, stabilizing part; 4041, support; 405, movable part; 4051, shaft. DETAILED DESCRIPTION

[0023] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0024] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0025] As shown in Figure 1 - Figure 5 The present application provides an injection mold with a rotating core pulling mechanism, which comprises a mold body 1 and a rotating mold core 2 arranged inside the mold body 1; further comprising;

[0026] Specifically, as shown in Figure 4 , a rotating assembly 3 is arranged between the mold body 1 and the rotating mold core 2, the rotating assembly 3 is used for limiting the rotating mold core 2, the rotating assembly 3 comprises an arc-shaped part 302, the arc-shaped part 302 is movably inserted into the top of the mold body 1, the top of the arc-shaped part 302 is provided with a fixing part 303, by arranging the rotating assembly 3 between the mold body 1 and the rotating mold core 2, by rotating the fixing part 303 upward, the arc-shaped part 302 can be quickly disassembled and replaced, which is convenient for adjusting the arc and spacing between the arc-shaped parts 302 according to different sizes of the rotating mold core 2, and the applicability is improved;

[0027] The inside of the mold body 1 is fixedly connected with a vertical rod 301, the arc-shaped part 302 is sleeved on the outer peripheral wall of the vertical rod 301, the top of the vertical rod 301 is threadedly connected with a lead screw 304, the fixing part 303 is rotatably connected with the outer peripheral wall of the lead screw 304, by sleeving the arc-shaped part 302 on the outer peripheral wall of the vertical rod 301 and threadedly connecting the lead screw 304 on the top of the vertical rod 301, the fixing part 303 can be clamped on the top of the arc-shaped part 302 to fix the arc-shaped part 302.

[0028] Specifically, as shown in Figure 5As shown, the fixing member 303 is sleeved on the top of the vertical rod 301, the bottom of the fixing member 303 is fixedly connected with a rubber pad 3031, the rubber pad 3031 abuts against the top of the arc-shaped member 302, and the tightness when the fixing member 303 and the arc-shaped member 302 are fixed is improved through the rubber pad 3031.

[0029] Specifically, as shown in the figure, Figure 2 As shown, the two sides of the mold body 1 are provided with a moving assembly 4, the moving assembly 4 is used for moving the rotating mold core 2, the moving assembly 4 comprises a moving piece 401, the moving piece 401 is arranged on the two sides of the mold body 1, the side wall of the moving piece 401 is provided with a gas cylinder 403, the gas cylinder 403 is fixedly installed on the two sides of the mold body 1, through the arrangement of the moving assembly 4 on the two sides of the mold body 1, through the driving of a group of gas cylinders 403, two groups of moving pieces 401 and rotating mold cores 2 can be synchronously driven to rotate core-pulling, the utilization rate of the gas cylinder 403 is improved, and the overall cost of the mold body 1 is saved.

[0030] The top of the rotating mold core 2 is rotatably connected with a movable piece 405, the end side of the movable piece 405 is fixedly connected with a shaft rod 4051, and the moving piece 401 is rotatably connected with the outer circumferential wall of the shaft rod 4051.

[0031] The end of the moving piece 401 is fixedly connected with a connecting plate 402, the connecting plate 402 is fixedly connected with the output shaft of the gas cylinder 403, the connecting plate 402 and the two groups of moving pieces 401 can be driven to move outward through the driving of the gas cylinder 403, at the same time, the two groups of moving pieces 401 will drive the two groups of movable pieces 405 to rotate, at this time, the movable piece 405 will drive the two groups of rotating mold cores 2 to rotate core-pulling outward.

[0032] Specifically, as shown in the figure, Figure 3 As shown, the two sides of the mold body 1 are fixedly connected with a plurality of stabilizing pieces 404, the top of the stabilizing piece 404 is fixedly connected with a supporting piece 4041, and the moving piece 401 is slidably connected with the top of the supporting piece 4041, through the arrangement of the stabilizing piece 404 and the supporting piece 4041 on the two sides of the mold body 1, the stability of the moving piece 401 when moving is improved.

[0033] The specific scheme is: first, the arc-shaped member 302 is sleeved on the outer circumferential wall of the vertical rod 301, then the lead screw 304 is threadedly connected on the top of the vertical rod 301, and the fixing member 303 is clamped on the top of the arc-shaped member 302 for fixation, then the mold body 1 is die injection molded, and finally the connecting plate 402 and the two groups of moving pieces 401 are driven to move outward through the gas cylinder 403, at the same time, the moving piece 401 will drive the two groups of movable pieces 405 to rotate, at this time, the movable piece 405 will drive the two groups of rotating mold cores 2 to rotate core-pulling outward.

[0034] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary; under the idea of the present application, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as above, which are not provided in details for the sake of brevity.

[0035] The present application is intended to cover all such changes and alternatives, within the breadth of the appended claims thereof. Accordingly, any and all such changes, modifications, equivalents, improvements and the like are intended to be included within the scope of the present application.

Claims

1. An injection mold with a rotating core-pulling mechanism, comprising a mold body (1) and a rotating core (2) disposed inside the mold body (1); characterized in that, Also includes; A rotating component (3) is disposed between the mold body (1) and the rotating mold core (2). The rotating component (3) is used to limit the rotation of the mold core (2). The rotating component (3) includes an arc-shaped part (302). The arc-shaped part (302) is movably inserted into the top of the mold body (1). A fixing part (303) is provided on the top of the arc-shaped part (302). The moving component (4) is disposed on both sides of the mold body (1) and is used to move the rotating mold core (2). The moving component (4) includes a moving part (401) disposed on both sides of the mold body (1). A cylinder (403) is provided on the side wall of the moving part (401) and the cylinder (403) is fixedly installed on both sides of the mold body (1).

2. The injection mold with a rotating core-pulling mechanism according to claim 1, characterized in that, The rotating assembly (3) also includes a vertical rod (301), which is fixedly connected to the inside of the mold body (1), and the arc-shaped part (302) is sleeved on the outer peripheral wall of the vertical rod (301).

3. An injection mold with a rotating core-pulling mechanism according to claim 2, characterized in that, The top of the vertical rod (301) is threadedly connected to a lead screw (304), and the fixing member (303) is rotatably connected to the outer peripheral wall of the lead screw (304).

4. An injection mold with a rotating core-pulling mechanism according to claim 3, characterized in that, The fastener (303) is sleeved on the top of the vertical rod (301), and a rubber pad (3031) is fixedly connected to the bottom of the fastener (303), and the rubber pad (3031) abuts against the top of the arc-shaped part (302).

5. An injection mold with a rotating core-pulling mechanism according to claim 1, characterized in that, The moving component (4) also includes a movable part (405) which is rotatably connected to the top of the rotating mold core (2).

6. An injection mold with a rotating core-pulling mechanism according to claim 5, characterized in that, The movable part (405) is fixedly connected to a shaft (4051) at one end, and the movable part (401) is rotatably connected to the outer peripheral wall of the shaft (4051).

7. An injection mold with a rotating core-pulling mechanism according to claim 6, characterized in that, The end of the moving part (401) is fixedly connected to a connecting plate (402), and the connecting plate (402) is fixedly connected to the output shaft of the cylinder (403).

8. An injection mold with a rotating core-pulling mechanism according to claim 7, characterized in that, Multiple sets of stabilizing components (404) are fixedly connected to both sides of the mold body (1), and a supporting component (4041) is fixedly connected to the top of the stabilizing component (404). The moving component (401) is slidably connected to the top of the supporting component (4041).

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