Injection mold with accurate positioning function

Abstract

The utility model discloses an injection mold with an accurate positioning function. The injection mold comprises a base, a limiting rod is arranged on one side of the surface of the base, a limiting cap is arranged above the limiting rod, a lower mold is arranged in the middle of the surface of the upper portion of the base, and an upper mold is arranged above the lower mold. A mounting mechanism is arranged on one side of the upper mold, a positioning mechanism is arranged on one side of the upper surface of the lower mold, a positioning groove is formed in one side below the upper mold, and a positioning rod is arranged in the positioning groove; the positioning mechanism comprises a positioning block, a positioning hole, a movable plate and a reset spring, the positioning hole is formed in one side of the upper surface of the positioning block, the reset spring is fixedly connected to the lower portion of the movable plate, and the positioning mechanism is used for accurately positioning the upper mold and the lower mold. The precise positioning effect of the injection mold is achieved under the cooperation of the positioning mechanism, the positioning groove and the positioning rod, and meanwhile the positioning precision is further improved under the cooperation of the mounting mechanism and the limiting rod.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection mold technical field, especially, it relates to a kind of injection mold with accurate positioning. BACKGROUND

[0002] Injection mold is a tool for producing plastic products, and is also a tool for giving plastic products complete structure and accurate size, injection molding is a processing method used when mass producing some complex-shaped parts, specifically refers to the molten plastic by injection molding machine high pressure injection into mold cavity, after cooling solidification, get shaped product.

[0003] Prior art has the following problems: in the prior art with the publication number CN202702518U "a kind of injection mold with accurate positioning", "including upper die, and the lower die matched with upper die;The lower end surface of upper die is provided with lower cavity, lower cavity is provided with positioning groove, positioning groove is fixed in lower cavity by the first positioning screw set on upper die;The upper end surface of lower die is provided with upper cavity, upper cavity is provided with positioning block, the size of the positioning block is just matched with positioning groove, positioning block is fixed in upper cavity by the second positioning screw set on lower die";

[0004] The injection mold in the above device is positioned by only the cooperation of single positioning block and positioning groove when being used, and the positioning mode is relatively simple in structure, so that the positioning of injection mold is not accurate enough, thereby affecting the product precision produced when injection mold is used.

[0005] It should be noted that the above content belongs to the technical cognition of the inventor and does not necessarily constitute prior art. CONTENT OF UTILITY MODEL

[0006] To solve the above problems, the purpose of the utility model is to provide a kind of injection mold with accurate positioning, solve the problem that the positioning of existing injection mold is relatively simple, so that the positioning of injection mold is not accurate enough and not convenient enough to use.

[0007] To achieve the above purpose, the utility model provides an injection mold with accurate positioning, characterized by including base, the surface one side of base is provided with limiting rod, the upper side of limiting rod is provided with limiting cap, the upper surface of base is provided with lower mold in middle, the upper side of lower mold is provided with upper mold;

[0008] One side of the upper mold is provided with mounting mechanism, the upper surface one side of the lower mold is provided with positioning mechanism, the lower side of the upper mold is provided with positioning groove, the inside of positioning groove is provided with positioning rod;

[0009] The positioning mechanism includes a positioning block, a positioning hole, a movable plate and a reset spring, a positioning hole is formed on one side of the upper surface of the positioning block, the reset spring is fixedly connected to the lower portion of the movable plate, and the positioning mechanism is used for accurate positioning of the upper mold and the lower mold.

[0010] In one example, the mounting mechanism includes a mounting seat, a through hole, a clamping seat and a mounting hole, the upper surface of the mounting seat is provided with a through hole, and the side surface of the clamping seat is provided with a mounting hole.

[0011] In one example, limit rods are fixedly installed on the upper surface of the base at four corners, and the mounting mechanism is movably installed with the limit rods.

[0012] In one example, the mounting mechanism is located above the two side surfaces of the lower mold and below the two side surfaces of the upper mold.

[0013] In one example, the positioning mechanism is inserted into the positioning groove, the positioning mechanism is located on the two side surfaces of the upper surface of the lower mold, and the positioning groove is formed on the two side surfaces of the lower surface of the upper mold.

[0014] In one example, the mounting groove is fixedly connected below the positioning hole, the movable plate is slidingly connected inside the mounting groove, the reset spring is fixedly connected with the lower mold, and the positioning rod is slidingly connected with the positioning hole and the mounting groove.

[0015] In one example, the mounting seat is fixedly installed on the two side surfaces of the lower mold, arc-shaped grooves are formed on the two side surfaces of the surface of the mounting seat, arc-shaped grooves are formed on the side surface of the clamping seat, and the clamping seat and the mounting seat are sleeved with the limit rods.

[0016] The injection mold with accurate positioning can bring the following beneficial effects:

[0017] The injection mold with accurate positioning can bring the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings described herein are intended to provide further understanding of the present application, form a part of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0019] Figure 1 It is a whole installation structure perspective view of the injection mold with precise positioning of the present application.

[0020] Figure 2 It is an installation mechanism structure split schematic view of the injection mold with precise positioning of the present application.

[0021] Figure 3 It is a positioning mechanism structure analysis schematic view of the injection mold with precise positioning of the present application.

[0022] Figure 4 It is an upper mold structure perspective view of the injection mold with precise positioning of the present application.

[0023] In the drawings: 1, base; 2, limiting rod; 3, limiting cap; 4, lower mold; 5, upper mold; 6, installation mechanism; 61, installation seat; 62, through hole; 63, clamping seat; 64, mounting hole; 7, positioning mechanism; 71, positioning block; 72, positioning hole; 73, movable plate; 74, return spring; 8, installation groove; 9, positioning groove; 10, positioning rod. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail with reference to the drawings.

[0025] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0026] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0027] In this utility model, unless otherwise expressly specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0028] In the present invention, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the descriptions with reference to the terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more schemes or examples.

[0029] like Figures 1-4 As shown, the embodiment of the present utility model provides an injection mold with precise positioning, comprising a base 1, a limit rod 2 is provided on one side of the surface of the base 1, a limit cap 3 is provided above the limit rod 2, a lower mold 4 is provided in the middle of the upper surface of the base 1, and an upper mold 5 is provided above the lower mold 4;

[0030] A mounting mechanism 6 is provided on one side of the upper mold 5, a positioning mechanism 7 is provided on one side of the upper surface of the lower mold 4, a positioning groove 9 is provided on the lower side of the upper mold 5, and a positioning rod 10 is provided inside the positioning groove 9;

[0031] The positioning mechanism 7 includes a positioning block 71, a positioning hole 72, a movable plate 73 and a return spring 74. A positioning hole 72 is provided on one side of the upper surface of the positioning block 71, and a return spring 74 is fixedly connected to the bottom of the movable plate 73. The positioning mechanism 7 is used for precise positioning of the upper mold 5 and the lower mold 4.

[0032] See also Figure 1 and Figure 2 In this embodiment, the mounting mechanism 6 includes a mounting seat 61, a through hole 62, a clamping seat 63 and a mounting hole 64. The through hole 62 is provided on the upper surface of the mounting seat 61, and the mounting hole 64 is provided on one side surface of the clamping seat 63.

[0033] In the above embodiment, the bolt can pass through the mounting seat 61 under the action of the through hole 62 of the mounting mechanism 6, so that the mounting seat 61 of the upper mold 5 and the lower mold 4 are connected and fixed, thereby ensuring the stability of the injection mold during the injection molding process.

[0034] Specifically, the mounting seat 61 is fixedly installed on the two side surfaces of the lower mold 4, arc-shaped grooves are formed on the two sides of the surface of the mounting seat 61, and arc-shaped grooves are formed on one side surface of the clamping seat 63. The clamping seat 63 and the mounting seat 61 are sleeved with the limiting rod 2.

[0035] The mounting mechanism 6 can drive the lower mold 4 and the upper mold 5 to be connected and fixed with the limiting rod 2 through the cooperation of the arc-shaped surface of the mounting seat 61 and the arc-shaped groove on the surface of the clamping seat 63, and the injection mold is further positioned through the action of the limiting rod 2.

[0036] Please refer to Figure 1 , Figure 2 and Figure 4 In the embodiment, the positioning mechanism 7 is inserted with the positioning groove 9, the positioning mechanism 7 is located on the upper surface of the lower mold 4, and the positioning groove 9 is formed on the lower surface of the upper mold 5.

[0037] In the above embodiment, the lower mold 4 and the upper mold 5 are positioned through the insertion of the positioning mechanism 7 and the positioning groove 9. Since the positioning mechanism 7 and the positioning groove 9 are provided with two groups, and the two groups are aligned, the positioning is more accurate.

[0038] Further, the mounting mechanism 6 is located above the two side surfaces of the lower mold 4 and below the two side surfaces of the upper mold 5.

[0039] The upper mold 5 and the lower mold 4 can be installed and fixed with the limiting rod 2 through the action of the mounting mechanism 6, so that the injection mold can be positioned and the stability of the mold during the injection molding process can be ensured through the linkage cooperation of the mounting mechanism 6 and the limiting rod 2.

[0040] Please refer to Figure 1 , Figure 2 and Figure 4 In the embodiment, the mounting groove 8 is fixedly connected below the positioning hole 72, the movable plate 73 is slidingly connected inside the mounting groove 8, the reset spring 74 is fixedly connected with the lower mold 4, and the positioning rod 10 is slidingly connected with the positioning hole 72 and the mounting groove 8.

[0041] In the above embodiment, the movable plate 73 can be cooperated with the positioning rod 10 to assist the separation of the positioning mechanism 7 and the upper mold 5 under the action of the reset spring 74 installed inside the mounting groove 8, so as to facilitate the disassembly of the injection mold.

[0042] It is additionally explained that the upper surface of the base 1 is fixedly provided with a limiting rod 2 at each corner, and the mounting mechanism 6 is movably mounted with the limiting rod 2.

[0043] Working principle: after the operator aligns the arc-shaped slot of the clamping seat 63 with the arc-shaped slot of the mounting seat 61, the lower mold 4 can be installed and fixed, and when the injection mold is used, after the positioning slot 9 of the upper mold 5 is aligned with the positioning block 71 of the positioning mechanism 7, the precise positioning of the upper mold 5 and the lower mold 4 can be completed through the plug-in connection of the two, and at the same time, the positioning rod 10 and the positioning hole 72 can be plugged in when the positioning slot 9 and the positioning block 71 are plugged in, thereby achieving the further positioning of the upper mold 5 and the lower mold 4, and after the positioning of the upper mold 5 and the lower mold 4 is completed, the upper mold 5 and the limiting rod 2 can be installed and fixed through the same installation and fixing mode of the lower mold 4, and then the injection mold can be used.

[0044] Each of the embodiments in the specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment mainly describes the difference from other embodiments. Especially, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the related parts can be referred to the part of the method embodiment.

[0045] The above only describes the embodiments of the present application and does not limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. An injection mold with accurate positioning, comprising a base (1), a limiting rod (2) is arranged on one side of the surface of the base (1), a limiting cap (3) is arranged above the limiting rod (2), a lower mold (4) is arranged in the middle of the upper surface of the base (1), and an upper mold (5) is arranged above the lower mold (4), characterized in that: one side of the upper mold (5) is provided with a mounting mechanism (6), one side of the upper surface of the lower mold (4) is provided with a positioning mechanism (7), one side below the upper mold (5) is provided with a positioning groove (9), and the positioning groove (9) is provided with a positioning rod (10) inside; the positioning mechanism (7) comprises a positioning block (71), a positioning hole (72), a movable plate (73) and a return spring (74), the upper surface of the positioning block (71) is provided with a positioning hole (72) on one side, the movable plate (73) is fixedly connected with a return spring (74) below, and the positioning mechanism (7) is used for accurate positioning of the upper mold (5) and the lower mold (4).

2. An injection mold with precision positioning according to claim 1, characterized in that the mounting mechanism (6) comprises a mounting seat (61), a through hole (62), a clamping seat (63) and a mounting hole (64), the upper surface of the mounting seat (61) is provided with a through hole (62), and one side surface of the clamping seat (63) is provided with a mounting hole (64).

3. An injection mold with precision positioning according to claim 1, wherein, limiting rods (2) are fixedly installed on the upper surface of the base (1) at four corners, and the mounting mechanism (6) is movably installed with the limiting rod (2).

4. The injection mold with precision positioning of claim 1, wherein, the mounting mechanism (6) is respectively located above the two side surfaces of the lower mold (4) and below the two side surfaces of the upper mold (5).

5. The injection mold with precision positioning of claim 1, wherein, the positioning mechanism (7) is inserted with the positioning groove (9), the positioning mechanism (7) is located on the upper surface of the lower mold (4), and the positioning groove (9) is arranged on the lower surface of the upper mold (5).

6. The injection mold with precision positioning of claim 1, wherein, a mounting groove (8) is fixedly connected below the positioning hole (72), the movable plate (73) is slidably connected inside the mounting groove (8), the return spring (74) is fixedly connected with the lower mold (4), and the positioning rod (10) is slidably connected with the positioning hole (72) and the mounting groove (8).

7. An injection mold with precision positioning according to claim 2, wherein, the mounting seat (61) is fixedly installed on the two side surfaces of the lower mold (4), arc-shaped grooves are arranged on the two side surfaces of the surface of the mounting seat (61), arc-shaped grooves are arranged on one side surface of the clamping seat (63), and the clamping seat (63) and the mounting seat (61) are sleeved with the limiting rod (2).

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