Reducing type injection mold convenient to disassemble and assemble

Abstract

The utility model discloses a reducing type injection mold convenient to disassemble and assemble, which belongs to the field of manufacturing industry and comprises a head plate, middle plates, a tail plate and a mounting plate, the head plate is positioned at the leftmost end of the middle plates, the tail plate is positioned at the rightmost end of the middle plates, the head plate is detachably connected with the middle plates, the tail plate is detachably connected with the middle plates, and the adjacent middle plates are detachably connected. The head plate, the middle plate and the tail plate are all mounted on the mounting plate; limiting assemblies are installed at the upper ends of the middle plates. A pressurizing locking assembly used for locking the position of the tail plate is installed at the upper end of the installation plate. By adopting the mode, the injection mold can be more conveniently disassembled and assembled by utilizing the pressurizing locking device and the insertion matching, the labor time is saved, a liquid plastic injection molding hole can be gradually reduced, the radial pressure borne by the injection molding hole is gradually shared, and the flowing of liquid plastic during injection molding is more facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of manufacturing, concretely relates to a reduced diameter injection mold convenient to dismount. BACKGROUND

[0002] As an important part of manufacturing, injection mold is widely used in automobile manufacturing, electronic appliances, furniture, medical devices, toys, daily necessities and other industries. It can produce various plastic products with complex shape and precise size, such as car lamp shell, mobile phone shell, furniture accessories, medical device parts, etc. With the rapid development and technological progress of manufacturing, the manufacturing process, material selection, design method and other aspects of injection mold are constantly innovated and improved to meet the market demand for high quality, high efficiency and low cost production.

[0003] Chinese patent CN115416200A discloses an extrusion molding plastic mold, which includes a protective box, a fixed shaft, multiple support plates, multiple support boxes and support molds. The right end of the support mold is provided with a molding groove, and the left part of each support mold is communicated with a material guide pipe. The right side of each support plate is provided with a sliding plate, and each fixed shaft passes through each sliding plate. The contact part of each sliding plate and the fixed shaft is connected with a wear-resistant sleeve. The left end of each sliding plate is connected with multiple movable molds, and the movable mold and the support mold are one-to-one corresponding. The right end of the protective box is installed with a hydraulic cylinder, and the inside of the protective box is provided with a linkage plate. The right end of the linkage plate is connected with the output shaft of each hydraulic cylinder. The left end upper part and the left end lower part of the linkage plate are connected with transmission shafts, and each transmission shaft is connected with each sliding plate. The device improves the efficiency of the molding part, improves the transmission effect of the product, is convenient to maintain, and reduces the use and production cost. However, the device still has the following problems:

[0004] The device takes a long time to dismount the mold, increases the labor intensity in the extrusion production process, and the material guide pipe is directly installed with the extrusion port of the extruder. The extrusion port of the extruder is generally large, and the radial pressure impact of the liquid plastic on the mold may cause liquid leakage. UTILITY MODEL CONTENTS

[0005] In view of the above shortcomings of the prior art, the utility model provides a reduced diameter injection mold convenient to dismount.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme:

[0007] A reduced diameter injection mold convenient to dismount, comprising a head plate, an intermediate plate, a tail plate and an installation plate.

[0008] The head plate is located at the leftmost end of the intermediate plate, and the tail plate is located at the rightmost end of the intermediate plate; the head plate and the intermediate plate are detachably connected; the tail plate and the intermediate plate are detachably connected; adjacent intermediate plates are detachably connected; and the head plate, the intermediate plate and the tail plate are all mounted on the mounting plate;

[0009] The upper end of the intermediate plate is provided with a limiting assembly for limiting the mounted intermediate plate and head plate;

[0010] The upper end of the mounting plate is provided with a pressurizing locking assembly for locking the position of the tail plate;

[0011] The pressurizing locking assembly comprises a fixed rod, a rotating shaft one, a clamping rod, a rotating shaft two, connecting rods, a rotating shaft three, a pressurizing rod and a protrusion; the lower end of the fixed rod is fixedly connected with the upper end of the mounting plate; the left end of the fixed rod is rotatably connected with the clamping rod through the rotating shaft one; the left end of the fixed rod is provided with a limiting groove for limiting the rotating shaft two; the clamping rod on the lower side of the rotating shaft two is rotatably connected with one end of two connecting rods; the two connecting rods are symmetrically arranged at the front and rear ends of the rotating shaft two; the other end of the connecting rod is rotatably connected with the pressurizing rod through the rotating shaft three; the two ends of the connecting rod are both provided with protrusions.

[0012] Further, a plurality of positioning columns are mounted on the left end of the mounting plate; the positioning columns are used for positioning the head plate, the intermediate plate and the tail plate; the middle part of the mounting plate is provided with an injection hole four; the injection hole four is a tapered hole with a larger right end and a smaller left end; and the right end of the mounting plate is fixedly connected with an injection molding machine.

[0013] Further, the parts longer than the intermediate plate at the front and rear ends of the tail plate are used for mutually cooperating with the clamping rod to fix the position; the tail plate is provided with positioning holes three corresponding to the positioning columns one by one; the left side of the tail plate is provided with a clamping groove two for fixing the position of the intermediate plate; and the middle part of the tail plate is provided with an injection hole three; the injection hole three is a tapered hole with a larger right end and a smaller left end.

[0014] Further, the intermediate plate comprises a clamping block two and a template two; the clamping block two is fixedly mounted at the right end of the template two; the clamping block two at the right end of the intermediate plate is clamped and fixed in position with the clamping groove one provided at the left end of the intermediate plate on the right side thereof; the clamping block two of the rightmost intermediate plate is clamped and fixed in position with the clamping groove two; the template two is provided with a plurality of positioning holes two along the left-right direction; the positioning holes two on the rightmost template two are inserted with the positioning columns; the middle part of the template two is provided with an injection hole two; the injection hole two is a tapered hole with a larger right end and a smaller left end.

[0015] Further, the head plate comprises a clamping block one and a template one; the clamping block one is fixedly mounted at the right end of the template one; the clamping block one is clamped with the clamping groove one on the left side of the leftmost intermediate plate; the template one is provided with a plurality of positioning holes one along the left-right direction; the middle part of the template one is provided with an injection hole one; and the injection hole one is a tapered hole with a larger right end and a smaller left end.

[0016] Further, the limiting assembly comprises a stopper and a stopper rotating shaft; each intermediate plate is provided with a set of limiting assemblies, each set of limiting assemblies comprises two stopper rotating shafts and two stoppers which are symmetrically arranged on the front and back sides of the upper end of the second mold plate, the lower end of the stopper rotating shaft is fixedly connected with the upper end of the second mold plate, the stopper is rotationally connected with the stopper rotating shaft, and screw holes penetrating through the stopper are formed in the upper end of the stopper.

[0017] Further, the size of the right end of the injection hole three is same as that of the left end of the injection hole four, the size of the right end of the injection hole two of the left intermediate plate is same as that of the left end of the injection hole two of the right mold plate, the size of the right end of the injection hole two of the rightmost intermediate plate is same as that of the left end of the injection hole three, and the size of the right end of the injection hole one is same as that of the left end of the injection hole two of the leftmost injection hole.

[0018] Further, the lower end of the clamping groove one and the lower end of the clamping groove two are fixedly provided with a gasket.

[0019] Compared with the prior art, the utility model has the advantages that: 1, the utility model discloses can realize using pressurizing locking device and plug-in cooperation more convenient for disassembling and assembling mold of injection mold, save manual time;

[0020] 2, the utility model discloses can realize gradually smaller liquid plastic injection hole, make the radial pressure that injection hole bears gradually share, more favorably liquid plastic flow when injection. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction. Obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0022] Figure 1 It is a perspective view of the utility model of a convenient dismounting's reduced diameter injection mold Figure 1 ;

[0023] Figure 2 It is a front view of the utility model of a convenient dismounting's reduced diameter injection mold;

[0024] Figure 3 It is a perspective view of the utility model of a convenient dismounting's reduced diameter injection mold after connection;

[0025] Figure 4 It is a perspective view of the utility model of a convenient dismounting's reduced diameter injection mold Figure 2 ;

[0026] Figure 5 It isFigure 3 Enlarged view at A.

[0027] The reference signs in the figures respectively represent:

[0028] 1, head plate; 11, block one; 12, template one; 13, positioning hole one; 14, injection hole one; 2, intermediate plate; 21, block two; 22, clamping groove one; 23, positioning hole two; 24, template two; 25, injection hole two; 3, tail plate; 31, positioning hole three; 34, clamping groove two; 35, injection hole three; 4, limiting assembly; 41, stop block; 42, stop block pivot; 43, screw hole; 5, pressure locking assembly; 51, fixed rod; 52, pivot one; 53, clamping rod; 54, pivot two; 55, connecting rod; 56, pivot three; 57, pressure rod; 58, limiting groove; 59, protrusion; 6, mounting plate; 61, injection hole four; 62, positioning column. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme 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 some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] In the following description, "left", "right", "front", "rear", "upper", "lower" are oriented in the perspective of the front view.

[0031] Embodiment one: in some embodiments, referring to the drawings of the specification Figures 1-5 A telescopic injection mold convenient to disassemble, comprising a head plate 1, a plurality of intermediate plates 2, a tail plate 3 and a mounting plate 6;

[0032] The head plate 1 is located at the leftmost end of the intermediate plate 2, and the tail plate 3 is located at the rightmost end of the intermediate plate 2. The head plate 1 and the intermediate plate 2 are detachably connected, the tail plate 3 and the intermediate plate 2 are detachably connected, and adjacent intermediate plates 2 are detachably connected. The head plate 1, the intermediate plate 2 and the tail plate 3 are all mounted on the mounting plate 6.

[0033] The intermediate plate 2 is provided with a limiting assembly 4 at the upper end for limiting the installed intermediate plate 2 and head plate 1;

[0034] The mounting plate 6 is provided with a pressure locking assembly 5 at the upper end for locking the position of the tail plate 3;

[0035] The pressurizing locking assembly 5 comprises a fixed rod 51, a rotating shaft one 52, a clamping rod 53, a rotating shaft two 54, connecting rods 55, a rotating shaft three 56, a pressurizing rod 57 and protrusions 59; the lower end of the fixed rod 51 is fixedly connected with the upper end of the mounting plate 6, the left end of the fixed rod 51 is rotatably connected with the clamping rod 53 through the rotating shaft one 52, and a limiting groove 58 for limiting the rotating shaft two 54 is formed in the left end of the fixed rod 51; the clamping rod 53 on the lower side of the rotating shaft one 52 is rotatably connected with one end of two connecting rods 55 through the rotating shaft two 54, the two connecting rods 55 are symmetrically arranged at the front and rear ends of the rotating shaft two 54, and the other end of the connecting rod 55 is rotatably connected with the pressurizing rod 57 through the rotating shaft three 56; the protrusions 59 are arranged at the two ends of the connecting rod 55;

[0036] In the utility model, the operator connects the rightmost middle plate 2 with the left side of the tail plate 3, then pulls the pressurizing rod 57 to move leftwards, the pressurizing rod 57 drives the connecting rod 55 to move through the rotating shaft three 56, the connecting rod 55 drives the clamping rod 53 to rotate rightwards through the rotating shaft two 54, the rotating shaft two 54 enters the limiting groove 58, at the moment, the protrusions 59 of the connecting rod 55 close to the rotating shaft two 54 are locked by rotating with the limiting groove 58, the position of the clamping rod 53 is locked, the rightmost middle plate 2 is clamped and locked, then the middle plates 2 are placed and fixed in position in sequence, and the left side of the leftmost middle plate 2 is locked and installed with the right side of the head plate 1.

[0037] The utility model can realize the upper die and lower die of the injection mold more conveniently, and saves manual time;

[0038] A plurality of positioning columns 62 are mounted at the left end of the mounting plate 6; the positioning columns 62 are used for positioning the head plate 1, the middle plates 2 and the tail plate 3, a fourth injection hole 61 is formed in the middle part of the mounting plate 6; the fourth injection hole 61 is a tapered hole with a large right end aperture and a small left end aperture; the right end of the mounting plate 6 is fixedly connected with an injection machine;

[0039] The portions of the tail plate 3 longer than the middle plates 2 at the front and rear ends are used for mutually cooperating with the clamping rod 53 to fix the position, positioning holes three 31 corresponding to the positioning columns 62 are formed in the tail plate 3, a clamping groove two 34 for fixing the position of the middle plates 2 is formed in the left side of the tail plate 3, and a third injection hole 35 is formed in the middle part of the tail plate 3; the third injection hole 35 is a tapered hole with a large right end aperture and a small left end aperture; the right end of the third injection hole 35 and the left end of the fourth injection hole 61 are of the same size;

[0040] The intermediate plate 2 includes the clamping block two 21 and the template two 24; the clamping block two 21 is fixedly installed at the right end of the template two 24, the clamping block two 21 at the right end of the intermediate plate 2 is clamped and fixed in position with the clamping groove one 22 opened at the left end of the right side intermediate plate 2; the clamping block two 21 of the rightmost intermediate plate 2 is clamped and fixed in position with the clamping groove two 34; the template two 24 is provided with a plurality of positioning holes two 23 in the left-right direction; the positioning hole two 23 on the rightmost template two 24 is inserted with the positioning column 62; the injection hole two 25 is opened at the middle part of the template two 24; the injection hole two 25 is a tapered hole with a large right end aperture and a small left end aperture, and the right end of the injection hole two 25 of the left side intermediate plate 2 is of the same size as the left end of the injection hole two 25 of the right side template, and the right end of the injection hole two 25 of the rightmost intermediate plate 2 is of the same size as the left end of the injection hole three 35.

[0041] The head plate 1 includes the clamping block one 11 and the template one 12; the clamping block one 11 is fixedly installed at the right end of the template one 12, and the clamping block one 11 is clamped with the clamping groove one 22 at the left end of the leftmost intermediate plate 2; the template one 12 is provided with a plurality of positioning holes one 13 in the left-right direction; the injection hole one 14 is opened at the middle part of the template one 12, and the injection hole one 14 is a tapered hole with a large right end aperture and a small left end aperture, and the right end of the injection hole one 14 is of the same size as the left end of the leftmost injection hole two 25.

[0042] In the utility model, the positioning hole two 23 is inserted with the positioning column 62 to position the intermediate plate 2, then the clamping rod 53 clamps and locks the rightmost intermediate plate 2 when the pulling and pressing rod 57 is pulled, then the clamping block two 21 of the remaining intermediate plate 2 is clamped into the clamping groove one 22 at the left end of the intermediate plate 2 and fixed in position, then the clamping block one 11 of the head plate 1 is clamped into the clamping groove one 22 at the left end of the leftmost intermediate plate 2 and fixed in position, at this moment, the positioning hole one 13 and the positioning hole two 23 are aligned, the positioning pin is inserted and passes through the positioning hole one 13 and the positioning hole two 23 to fix the head plate 1 and the intermediate plate 2, then the head plate 1 and the intermediate plate 2 are limited by using the limiting assembly 4, so as to prevent the head plate 1 and the intermediate plate 2 from sliding up and down, at this moment, the injection hole three 35, the injection hole two 25 and the injection hole one 14 are tapered holes with gradually decreasing diameters from right to left.

[0043] The utility model can realize the upper die and the lower die of the injection mold more conveniently, save the manual time, can also realize that the liquid plastic injection hole gradually becomes small, makes the radial pressure that the injection hole bears gradually shares, is more favorable to the flow of liquid plastic when injection molding.

[0044] The limiting assembly 4 comprises a stopper 41 and a stopper rotating shaft 42; each intermediate plate 2 is provided with a set of limiting assemblies 4, each set of limiting assemblies 4 comprises two stopper rotating shafts 42 and two stoppers 41 symmetrically arranged on the front and back sides of the upper end of the second mold plate 24, the lower end of the stopper rotating shaft 42 is fixedly connected with the upper end of the second mold plate 24, the stopper 41 is rotationally connected with the stopper rotating shaft 42, the upper end of the stopper 41 is provided with a threaded hole 43 penetrating through the stopper 41, and the front and back sides of the upper end of the clamping block one 11 and the clamping block two 21 are provided with threaded holes 43;

[0045] In the utility model, after the operator locks the position of the head plate 1, the intermediate plate 2 and the tail plate 3 through the pressure locking assembly 5, the clamping block one 11, the clamping block two 21 and the clamping groove one 22, the stopper 41 is rotated around the stopper rotating shaft 42, the threaded hole 43 on the stopper 41 is aligned with the threaded hole 43 on the clamping block one 11 or the clamping block two 21, the screw is screwed into the threaded hole 43 to fix the position of the stopper 41, and the limiting of the head plate 1 and the intermediate plate 2 is realized.

[0046] The utility model can realize the limiting of the mold after the mold is closed, and prevent the dislocation of the mold caused by the shaking of the machine.

[0047] The lower end of the clamping groove one 22 and the clamping groove two 34 is fixedly provided with a gasket, so as to reduce the vibration caused by the gravity sliding when the head plate 1 or the intermediate plate 2 is closed with the intermediate plate 2.

[0048] The above embodiment is only used to illustrate the technical scheme of the utility model, and is not limited thereto; although the utility model is described in detail with reference to the foregoing embodiment, those skilled in the art should understand that the technical scheme recorded in the foregoing embodiment can be modified, or some technical features can be replaced equivalently; and the modification or replacement does not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. A reduced diameter injection mold which is easy to disassemble, comprising a head plate (1), an intermediate plate (2), a tail plate (3) and a mounting plate (6), characterized in that: Also include limiting assembly (4) and pressurized locking assembly (5); The head plate (1) is located at the left end of the intermediate plate (2), the tail plate (3) is located at the right end of the intermediate plate (2), the head plate (1) and the intermediate plate (2) are detachably connected, the tail plate (3) and the intermediate plate (2) are detachably connected, the adjacent intermediate plates (2) are detachably connected, and the head plate (1), the intermediate plate (2) and the tail plate (3) are installed on the mounting plate (6); The intermediate plate (2) is provided with a limiting assembly (4) for limiting the position of the installed intermediate plate (2) and the head plate (1) at the upper end; The mounting plate (6) is provided with a pressurized locking assembly (5) for locking the position of the tail plate (3) at the upper end; The pressurized locking assembly (5) comprises a fixed rod (51), a rotating shaft (52), a clamping rod (53), a rotating shaft (54), a connecting rod (55), a rotating shaft (56), a pressurized rod (57) and a protrusion (59); the lower end of the fixed rod (51) is fixedly connected with the upper end of the mounting plate (6), the left end of the fixed rod (51) is rotatably connected with the clamping rod (53) through the rotating shaft (52), and the left end of the fixed rod (51) is provided with a limiting groove (58) for limiting the rotating shaft (54); the clamping rod (53) on the lower side of the rotating shaft (52) is rotatably connected with one end of two connecting rods (55) through the rotating shaft (54), the two connecting rods (55) are symmetrically arranged at the front and rear ends of the rotating shaft (54), and the other end of the connecting rod (55) is rotatably connected with the pressurized rod (57) through the rotating shaft (56); the two ends of the connecting rod (55) are provided with protrusions (59).

2. The easily removable reduced-bore injection mold according to claim 1, wherein The left end of the mounting plate (6) is provided with a plurality of positioning columns (62); the positioning columns (62) are used for positioning the head plate (1), the intermediate plate (2) and the tail plate (3), and the mounting plate (6) is provided with an injection hole four (61) at the middle part; the injection hole four (61) is a tapered hole with a large right end and a small left end; the right end of the mounting plate (6) is fixedly connected with an injection molding machine.

3. The easy-to-disassemble reduced diameter injection mold of claim 2, wherein, The front and rear ends of the tail plate (3) are longer than the intermediate plate (2), which are used for fixing the position with the clamping rod (53), the tail plate (3) is provided with a positioning hole three (31) corresponding to the positioning column (62), the left side of the tail plate (3) is provided with a clamping groove two (34) for fixing the position of the intermediate plate (2), and the middle part of the tail plate (3) is provided with an injection hole three (35); the injection hole three (35) is a tapered hole with a large right end and a small left end.

4. The easy-to-disassemble reduced diameter injection mold of claim 3, wherein, The intermediate plate (2) comprises a clamping block two (21) and a template two (24); the clamping block two (21) is fixedly installed at the right end of the template two (24), the clamping block two (21) at the right end of the intermediate plate (2) is clamped and fixed in position with the clamping groove one (22) opened at the left end of the intermediate plate (2) on the right side thereof; the clamping block two (21) of the rightmost intermediate plate (2) is clamped and fixed in position with the clamping groove two (34); the template two (24) is provided with a plurality of positioning holes two (23) in the left-right direction; the positioning hole two (23) on the rightmost template two (24) is inserted with the positioning column (62); the template two (24) is provided with an injection hole two (25) at the middle part; the injection hole two (25) is a tapered hole with a larger right end aperture and a smaller left end aperture.

5. The easy-to-disassemble reduced-bore injection mold according to claim 4, characterized in that, The head plate (1) comprises a clamping block one (11) and a template one (12); the clamping block one (11) is fixedly installed at the right end of the template one (12), and the clamping block one (11) is clamped with the clamping groove one (22) on the left side of the leftmost intermediate plate (2); the template one (12) is provided with a plurality of positioning holes one (13) in the left-right direction; the template one (12) is provided with an injection hole one (14) at the middle part, and the injection hole one (14) is a tapered hole with a larger right end aperture and a smaller left end aperture.

6. The easy-to-disassemble reduced-bore injection mold according to claim 5, characterized in that, The limiting assembly (4) comprises a stop block (41) and a stop block rotating shaft (42); each intermediate plate (2) is provided with a set of limiting assemblies (4), and each set of limiting assemblies (4) comprises two stop block rotating shafts (42) and two stop blocks (41) symmetrically arranged on the upper end of the template two (24); the lower end of the stop block rotating shaft (42) is fixedly connected with the upper end of the template two (24), the stop block (41) is rotationally connected with the stop block rotating shaft (42), and the upper end of the stop block (41) is provided with a threaded hole (43) penetrating through the stop block (41); the front and back sides of the upper end of the clamping block one (11) and the clamping block two (21) are provided with threaded holes (43).

7. The easy-to-disassemble reduced-bore injection mold according to claim 5, wherein The right end of the injection hole three (35) is the same in size as the left end of the injection hole four (61), the right end of the injection hole two (25) of the left intermediate plate (2) is the same in size as the left end of the injection hole two (25) of the right template, the right end of the injection hole two (25) of the rightmost intermediate plate (2) is the same in size as the left end of the injection hole three (35), and the right end of the injection hole one (14) is the same in size as the left end of the leftmost injection hole two (25).

8. The easy-to-disassemble reduced-bore injection mold according to claim 4, characterized in that, The lower end of the clamping groove one (22) and the clamping groove two (34) is fixedly installed with a gasket.

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