Positioning mechanism for injection mold

Abstract

The utility model relates to the technical field of molds, in particular to a positioning mechanism for an injection mold, which comprises a mold core plate, a top plate and a bottom plate, a positioning assembly is arranged between the mold core plate and the bottom plate and used for positioning and fixing the bottom plate and the mold core plate, and a limiting assembly is arranged between the positioning assembly and the vertical rod and used for limiting the vertical rod. According to the positioning mechanism for the injection mold, the positioning rods on the positioning assemblies are inserted into the multiple sets of mold core plates and fixed through the fixing pieces, and the multiple sets of mold core plates can be positioned; and meanwhile, the vertical rods are inserted into the mold core plate and the positioning rods, and the clamping pieces are inserted into the clamping grooves of the fixing pieces, so that the mold core plate, the top plate and the bottom plate can be further positioned and fixed, and the stability of the mold is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, concretely is a positioning mechanism for injection mould. BACKGROUND

[0002] Injection mould is a kind of manufacturing tool for plastic injection molding process, mainly melt plastic is injected into mould cavity, then solidifies and forms the required plastic product through cooling process, it is mainly used to manufacture various shapes and sizes of plastic products, such as plastic cup, automobile parts etc.

[0003] The current injection mould is precisely composed of multilayer template, however, in the long use process, the mould is inevitably worn, especially the gap between template fixing parts changes, so that in the injection molding process, multilayer template can be dislocated due to the influence of huge injection pressure and high temperature, and then seriously affect the quality and precision of injection part. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a positioning mechanism for injection mould to solve the problem that the mould template is dislocated due to the influence of huge injection pressure and high temperature, and then seriously affect the quality and precision of injection part.

[0005] To achieve the above object, the utility model provides the following technical scheme: a positioning mechanism for injection mould, including mould core plate and the top plate and bottom plate set up in the upper and lower ends of mould core plate, the bottom of top plate is fixedly connected with vertical rod;

[0006] Positioning assembly, positioning assembly is arranged between mould core plate and bottom plate, positioning assembly is used for positioning and fixing bottom plate and mould core plate, positioning assembly includes positioning rod, and multiple positioning rods are fixedly connected on the top of bottom plate, positioning rod is inserted in the inside of mould core plate, the inside of mould core plate is slidably connected with fixing piece, and fixing piece is clamped on the both sides of positioning rod;

[0007] Limiting assembly, limiting assembly is arranged between positioning assembly and vertical rod, limiting assembly is used for limiting vertical rod, limiting assembly includes clamping piece, clamping piece penetrates the both sides of vertical rod, and clamping piece is clamped on the side wall of fixing piece.

[0008] Preferably, the positioning assembly further includes a fixing piece fixedly connected to the side wall of the support piece, and the fixing piece is slidably connected to the inside of the mould core plate.

[0009] Preferably, the positioning rod has a fixing groove on both sides, and the fixing piece is clamped on the inner wall of the fixing groove.

[0010] Preferably, the inside of the mold core plate is rotationally connected with an axle plate, the side wall of the axle plate and the support are fixedly connected with connecting shafts, and the connecting shafts are rotationally connected with a connecting rod.

[0011] Preferably, the inside of the mold core plate is provided with a motor, and the output shaft of the motor is fixedly connected with the axle plate.

[0012] Preferably, the limiting assembly further comprises a conical piece, the conical piece is slidably connected in the inside of the vertical rod, and the clamping piece is slidably connected on both sides of the conical piece.

[0013] Preferably, the vertical rod is sequentially inserted in the inside of the mold core plate and the positioning rod, the side wall of the fixing piece is provided with a clamping groove, and the clamping piece is clamped in the inside of the clamping groove.

[0014] Preferably, the top of the conical piece is fixedly connected with an electric telescopic rod, and the electric telescopic rod is fixedly connected in the inside of the vertical rod.

[0015] Compared with the prior art, the mold core plate and the bottom plate are provided with the positioning assembly, the positioning rod on the positioning assembly is inserted in the inside of the multiple sets of mold core plates, and the positioning rod is fixed by the fixing piece, so that the multiple sets of mold core plates can be positioned.

[0016] Meanwhile, the limiting assembly is arranged between the positioning assembly and the vertical rod, the vertical rod is inserted in the mold core plate and the positioning rod, and the clamping piece is inserted in the clamping groove of the fixing piece, so that the mold core plate, the top plate and the bottom plate can be further positioned and fixed, and the stability of the mold is further increased. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the three-dimensional structure of the mold core plate of the utility model;

[0018] Figure 2 It is a schematic view of the three-dimensional structure of the positioning rod of the utility model;

[0019] Figure 3 It is a schematic view of the sectional structure of the mold core plate of the utility model;

[0020] Figure 4 It is a schematic view of the unfolded structure of the positioning assembly and the limiting assembly of the utility model.

[0021] In the drawing: 1, mold core plate; 101, top plate; 102, vertical rod; 103, bottom plate; 2, positioning assembly; 201, positioning rod; 202, fixing piece; 2022, fixed groove; 203, support; 2031, connecting shaft; 204, connecting rod; 205, axle plate; 3, limiting assembly; 301, clamping piece; 3011, clamping groove; 302, conical piece; 303, electric telescopic rod. DETAILED DESCRIPTION

[0022] 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 present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] 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 in combination with 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 belong to the scope of protection of the present application.

[0024] As shown in Figures 1-4 The present application provides a positioning mechanism for an injection mold, which comprises a mold core plate 1, a top plate 101 and a bottom plate 103 arranged at the upper and lower ends of the mold core plate 1, and a vertical rod 102 fixedly connected to the bottom of the top plate 101.

[0025] Specifically, as shown in Figure 2 A positioning assembly 2 is arranged between the mold core plate 1 and the bottom plate 103, which is used for positioning and fixing the bottom plate 103 and the mold core plate 1. The positioning assembly 2 comprises a positioning rod 201, a plurality of positioning rods 201 are fixedly connected to the top of the bottom plate 103, the positioning rod 201 is inserted into the inside of the mold core plate 1, and a fixing piece 202 is slidingly connected to the inside of the mold core plate 1, the fixing piece 202 is clamped on both sides of the positioning rod 201. By arranging the positioning assembly 2 between the mold core plate 1 and the bottom plate 103, inserting the positioning rod 201 on the positioning assembly 2 into the inside of the plurality of mold core plates 1, and fixing it through the fixing piece 202, the plurality of mold core plates 1 can be positioned, and the displacement of the mold core plate 1 under a large pressure can be avoided.

[0026] By moving the two fixing pieces 202 on the positioning assembly 2, the positioning rod 201 can be fixed;

[0027] Specifically, as shown in Figure 3 The side wall of the supporting piece 203 is fixedly connected with the fixing piece 202, and the fixing piece 202 is slidingly connected to the inside of the mold core plate 1.

[0028] The two sides of the positioning rod 201 are provided with a fixing groove 2022, and the fixing piece 202 is clamped on the inner wall of the fixing groove 2022.

[0029] The inner part of the mold core plate 1 is rotationally connected with the shaft plate 205, the side wall of the shaft plate 205 and the support 203 is fixedly connected with the connecting shaft 2031, the connecting shaft 2031 is rotationally connected with the connecting rod 204, the shaft plate 205 can drive the connecting rod 204 to rotate, and the connecting rod 204 can drive the two groups of supports 203 and the fixing piece 202 to move to both sides, until the fixing piece 202 slides out of the fixing groove 2022, the bottom plate 103 can be disassembled.

[0030] The inner part of the mold core plate 1 is provided with a motor, and the output shaft of the motor is fixedly connected with the shaft plate 205, and the motor can drive the shaft plate 205 to rotate.

[0031] Specifically, as shown in Figure 4 The limiting assembly 3 is arranged between the positioning assembly 2 and the vertical rod 102, and the limiting assembly 3 is used for limiting the vertical rod 102. The limiting assembly 3 comprises a clamping piece 301 which penetrates through both sides of the vertical rod 102 and is clamped on the side wall of the fixing piece 202. By sequentially inserting the vertical rod 102 into the inner part of the mold core plate 1 and the positioning rod 201, and inserting the clamping piece 301 into the clamping groove 3011 of the fixing piece 202, the mold core plate 1, the top plate 101 and the bottom plate 103 can be further positioned and fixed, and the stability of the mold is further increased.

[0032] The inner part of the vertical rod 102 is slidably connected with a tapered piece 302, and the clamping piece 301 is slidably connected on both sides of the tapered piece 302.

[0033] The vertical rod 102 is sequentially inserted into the inner part of the mold core plate 1 and the positioning rod 201, the side wall of the fixing piece 202 is provided with a clamping groove 3011, and the clamping piece 301 is clamped in the inner part of the clamping groove 3011.

[0034] The top of the tapered piece 302 is fixedly connected with an electric telescopic rod 303, and the electric telescopic rod 303 is fixedly connected in the inner part of the vertical rod 102. The electric telescopic rod 303 can drive the tapered piece 302 to move upward, and the tapered piece 302 can drive the two groups of clamping pieces 301 to slide and shrink in the inner part of the vertical rod 102, so that the top plate 101 can be disassembled.

[0035] The specific scheme is: first, a plurality of groups of positioning rods 201 on the bottom plate 103 are inserted into the mold core plate 1, and the motor drives the shaft plate 205 to rotate, the shaft plate 205 can drive the connecting rod 204 to rotate, and the connecting rod 204 can drive the two groups of supporting pieces 203 and the fixing pieces 202 to move towards each other until the fixing pieces 202 are inserted into the fixed grooves 2022, the positioning rods 201 and the mold core plate 1 are fixed, second, the vertical rods 102 on the top plate 101 are inserted into the mold core plate 1 and the positioning rods 201, and the electric telescopic rod 303 drives the conical piece 302 to move downwards, and the conical piece 302 can extrude the two groups of clamping pieces 301 from both sides of the vertical rod 102 until the clamping pieces 301 are inserted into the clamping grooves 3011 of the fixing pieces 202, and finally, injection molding processing is carried out.

[0036] Those skilled in the art should understand that the discussion of the above any embodiment is only 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 described above, which are not provided in details for the sake of simplicity.

[0037] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such modifications, variations, and equivalents that fall within the spirit and scope of the present application are intended to be included within the scope of the present application.

Claims

1. A positioning mechanism for injection mold, comprising a mold core plate (1), a top plate (101) and a bottom plate (103) arranged at the upper and lower ends of the mold core plate (1), and a vertical rod (102) fixedly connected to the bottom of the top plate (101); characterized in that a positioning assembly (2) is arranged between the mold core plate (1) and the bottom plate (103), the positioning assembly (2) is used for positioning and fixing the bottom plate (103) and the mold core plate (1), the positioning assembly (2) comprises positioning rods (201), a plurality of groups of the positioning rods (201) are fixedly connected to the top of the bottom plate (103), the positioning rods (201) are inserted into the inside of the mold core plate (1), a fixing piece (202) is slidably connected to the inside of the mold core plate (1), and the fixing piece (202) is clamped on both sides of the positioning rod (201). A limiting assembly (3) is arranged between the positioning assembly (2) and the vertical rod (102), the limiting assembly (3) is used for limiting the vertical rod (102), the limiting assembly (3) comprises a clamping piece (301), the clamping piece (301) penetrates through both sides of the vertical rod (102), and the clamping piece (301) is clamped on the side wall of the fixing piece (202). The positioning assembly (2) further comprises the fixing piece (202), the fixing piece (202) is fixedly connected to the side wall of a supporting piece (203), and the fixing piece (202) is slidably connected to the inside of the mold core plate (1).

2. The positioning mechanism for injection mold according to claim 1, wherein Both sides of the positioning rod (201) are provided with a fixing groove (2022), and the fixing piece (202) is clamped on the inner wall of the fixing groove (2022).

3. A positioning mechanism for an injection mold according to claim 2, wherein An axle plate (205) is rotatably connected to the inside of the mold core plate (1), the side wall of the axle plate (205) and the side wall of the supporting piece (203) are fixedly connected with a connecting shaft (2031), and a connecting rod (204) is rotatably connected between the connecting shafts (2031).

4. The positioning mechanism for injection mold according to claim 3, wherein A motor is arranged in the inside of the mold core plate (1), and an output shaft of the motor is fixedly connected with the axle plate (205).

5. A positioning mechanism for an injection mold according to claim 4, wherein The limiting assembly (3) further comprises a conical piece (302), the conical piece (302) is slidably connected to the inside of the vertical rod (102), and the clamping piece (301) is slidably connected to both sides of the conical piece (302).

6. The positioning mechanism for injection mold according to claim 1, wherein The vertical rod (102) is sequentially inserted into the inside of the mold core plate (1) and the positioning rod (201), the side wall of the fixing piece (202) is provided with a clamping groove (3011), and the clamping piece (301) is clamped in the inside of the clamping groove (3011).

7. A positioning mechanism for an injection mold according to claim 6, wherein An electric telescopic rod (303) is fixedly connected to the top of the conical piece (302), and the electric telescopic rod (303) is fixedly connected to the inside of the vertical rod (102).

8. A positioning mechanism for an injection mold according to claim 7, wherein ​

Images