Modularized injection mold

Abstract

The utility model relates to the technical field of injection molds, and discloses a modular injection mold which comprises two shells, two fixing columns are fixedly connected to openings of the inner walls of the two shells, limiting strips are rotationally connected to the surfaces of the four fixing columns, and control strips are rotationally connected to the adjacent sides of the four limiting strips. And two control columns are fixedly connected to the adjacent sides of the four control strips, springs are fixedly connected to the right sides of the two control columns, a cleaning device is arranged on the lower side of the lower mold core, and the cleaning device is used for cleaning the mold core to prevent excess materials from adhering to the mold core. According to the utility model, the control column is pushed to move rightwards to drive the control strip to rotate, the control strip drives the limiting strip to contract under the control of the fixed column, and after the limiting strip contracts into the shell, the shell is pulled out to replace the upper mold core and the lower mold core, so that the purpose of producing various products with different shapes, sizes or structures on the basis of the same set of mold is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field especially relates to a modular injection mold. BACKGROUND

[0002] Injection mold is a kind of tool for injection molding process, and injection molding is the method that after thermoplastic or thermosetting plastic is heated and melted, under the action of high pressure, it is injected into closed mold cavity through the pouring system of mold, after cooling and solidification, the plastic product with certain shape and dimensional accuracy is obtained.

[0003] The basic structure of the mold includes two parts of male die and female die, during the injection molding process, the male die and the female die are closed to form a cavity, the plastic melt is formed in the cavity, and after cooling and opening the mold, it is ejected and demolded, the existing injection mold does not have universality, and a variety of different shapes, sizes or structures of products cannot be produced on the basis of the same mold, and the limited mold resources cannot be utilized to meet different production needs. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a modular injection mold, which aims at improving the problem that the injection mold does not have universality, a variety of different shapes, sizes or structures of products cannot be produced on the basis of the same mold, and the limited mold resources cannot be utilized to meet different production needs.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a modular injection mold, including two housings, two fixed columns are fixedly connected at the opening of the inner wall of the two housings, four limit strips are rotatably connected to the surface of the four fixed columns, four control strips are rotatably connected to one side of the four limit strips, two control columns are fixedly connected to one side of the four control strips, two springs are fixedly connected to the right side of the two control columns, the two springs are fixedly connected between the two housings, a lower die is arranged on the left side of the surface of the lower housing, a lower die core is arranged on the right side of the surface of the lower housing, an upper die is arranged on the left side of the surface of the upper housing, and an upper die core is arranged on the right side of the surface of the upper housing.

[0006] Preferably, the cleaning device includes an ejection column, the ejection column is located on the lower side of the lower die, a gear ring is arranged on the upper surface of the ejection column, a fixed plate is fixedly connected to the upper right side of the ejection column, a motor is fixedly connected to the bottom of the fixed plate, a gear is fixedly arranged on the output end of the motor, the gear is meshingly connected with the gear ring, a control panel is fixedly connected to the bottom of the gear ring, and a brush is rotatably connected to the front side of the control panel.

[0007] Preferably, the lower die core is located inside the lower die, and the upper die core is located inside the upper die.

[0008] Preferably, the upper die top is fixedly connected with an upper sealing plate, and the lower die top is fixedly connected with a support plate.

[0009] Preferably, the control plate front side is fixedly connected with four limiting columns, and the brush is located between two adjacent limiting columns.

[0010] Preferably, the gear ring top is rotationally connected with a top head, and the top head is fixedly connected between the top head and the ejection column.

[0011] Preferably, the ejection column lower side is provided with a cylinder, the cylinder output end is fixedly connected with a top column panel, and the top column panel is fixedly connected between the top column panel and the ejection column.

[0012] Preferably, the top column panel lower side is provided with a top column bottom plate, the top column bottom plate lower side is fixedly connected with a lower sealing plate, the cylinder is located inside the lower sealing plate, and the cylinder is located inside the top column bottom plate.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the control column right movement drives the control bar to rotate, the control bar drives the limiting bar to shrink under the control of the fixed column, the limiting bar is pulled out of the shell after shrinking into the shell to replace the upper die core and the lower die core, so that the universality of the mold is improved, and the purpose of producing products with different shapes, sizes or structures on the basis of the same mold is achieved.

[0015] 2. In the utility model, the motor drives the gear to rotate, the gear drives the gear ring and the control plate to rotate, the control plate drives the brush to rotate, the brush is opened outward in the rotating process due to the centripetal force, at this time, the cylinder drives the brush to move downward, the brush continues to rotate to clean the adhered plastic material, and the purpose of preventing the plastic material from adhering to the surface of the die core for a long time to cause corrosion is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional schematic view of a modular injection mold is provided for the utility model;

[0017] Figure 2 A sectional view schematic view of a modular injection mold is provided for the utility model;

[0018] Figure 3 An internal schematic view of a shell of a modular injection mold is provided for the utility model;

[0019] Figure 4 A cleaning assembly schematic view of a modular injection mold is provided for the utility model;

[0020] Figure 5 A gear schematic diagram of a modular injection mold is proposed in the utility model.

[0021] Legend:

[0022] 1, shell; 2, fixed column; 3, limit strip; 4, control strip; 5, control column; 6, spring; 7, lower mold core; 8, lower mold; 9, upper mold core; 10, upper mold; 11, top head; 12, gear ring; 13, gear; 14, control panel; 15, limit column; 16, brush; 17, top column panel; 18, air cylinder; 19, top column bottom plate; 20, lower sealing plate; 21, fixed plate; 22, upper sealing plate; 23, motor; 24, support plate; 25, ejection column. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the specification of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] With reference to Figures 1-3 An embodiment provided by the utility model: a modular injection mold, comprising two shells 1, two fixed columns 2 are fixedly connected at the opening of the inner wall of the two shells 1, four limit strips 3 are rotationally connected to the surfaces of the four fixed columns 2, four control strips 4 are rotationally connected to the adjacent sides of the four limit strips 3, two control columns 5 are fixedly connected to the adjacent sides of the four control strips 4, two springs 6 are fixedly connected to the right sides of the two control columns 5, the two springs 6 are fixedly connected between the two shells 1, a lower mold 8 is arranged on the left surface of the lower shell 1, a lower mold core 7 is arranged on the right surface of the lower shell 1, an upper mold 10 is arranged on the left surface of the upper shell 1, and an upper mold core 9 is arranged on the right surface of the upper shell 1. The lower mold core 7 is provided with a cleaning device, and the cleaning device is used for cleaning the mold core to prevent excess material from adhering to the mold core.

[0025] Specifically, the shell 1 is used for fixing the position of the fixed column 2, the fixed column 2 is used for controlling the motion trail of the limit strip 3, the control column 5 is used for driving the rotation of the control strip 4, the control strip 4 is used for driving the rotation of the limit strip 3, the shell 1 is used for providing the reaction force of the spring 6, the spring 6 is used for providing the reaction force of the control column 5 to help the control column 5 reset, and the shell 1 and the limit strip 3 are used for connecting and fixing the lower mold 8 and the lower mold core 7. The shell 1 and the limit strip 3 are used for connecting and fixing the upper mold 10 and the upper mold core 9.

[0026] With reference to Figures 2-4The cleaning device comprises an ejection column 25 located at the lower side of the lower mold 8, a gear ring 12 arranged on the upper side surface of the ejection column 25, a fixed plate 21 fixedly connected to the right side of the upper side of the ejection column 25, a motor 23 fixedly connected to the bottom of the fixed plate 21, a gear 13 fixedly arranged on the output end of the motor 23, a control plate 14 fixedly connected to the bottom of the gear ring 12, and a brush 16 rotatably connected to the front side of the control plate 14.

[0027] Specifically, the ejection column 25 is used for fixing the position of the fixed plate 21 and moving the fixed plate 21, the fixed plate 21 is used for fixing the position of the motor 23 and moving the motor 23, the motor 23 is used for rotating the gear 13, the gear 13 is used for rotating the gear ring 12, the gear ring 12 is used for rotating the control plate 14, and the control plate 14 is used for rotating the brush 16.

[0028] Referring to Figure 2 , the lower mold core 7 is located in the lower mold 8, and the upper mold core 9 is located in the upper mold 10.

[0029] Specifically, the lower mold core 7 is replaceable in the lower mold 8, and the upper mold core 9 is replaceable in the upper mold 10.

[0030] Referring to Figure 1 and Figure 2 , the upper mold 10 is fixedly connected with an upper sealing plate 22 at the top, and the lower mold 8 is fixedly connected with a support plate 24 at the top.

[0031] Specifically, the upper sealing plate 22 is used for fixing the upper mold 10, preventing the leakage of plastic melt, and keeping the internal pressure of the mold stable, and the support plate 24 is used for supporting and fixing the lower mold 8.

[0032] Referring to Figure 3 , four limiting columns 15 are fixedly connected to the front side of the control plate 14, and the brush 16 is located between two adjacent limiting columns 15.

[0033] Specifically, the limiting column 15 is used for limiting the rotation range of the brush 16.

[0034] Referring to Figure 4 and Figure 5 , a top head 11 is rotatably connected to the top of the gear ring 12, and the top head 11 is fixedly connected between the ejection column 25.

[0035] Specifically, the ejection column 25 is used for fixing the position of the top head 11 and moving the top head 11 upwards, and the top head 11 is used for fixing the position of the gear ring 12 and moving the gear ring 12 upwards.

[0036] Referring to Figure 4 and Figure 5 , a gas cylinder 18 is arranged on the lower side of the ejection column 25, a top column panel 17 is fixedly connected to the output end of the gas cylinder 18, and the top column panel 17 is fixedly connected between the ejection column 25.

[0037] Specifically, the cylinder 18 is used to drive the top column panel 17 to move upward, and the top column panel 17 is used to drive the ejection column 25 to move upward.

[0038] Referring to the drawings, the bottom side of the top column panel 17 is provided with a top column bottom plate 19, and the bottom side of the top column bottom plate 19 is fixedly connected with a lower sealing plate 20. The cylinder 18 is located inside the lower sealing plate 20 and inside the top column bottom plate 19.

[0039] Specifically, the top column panel 17 is used to support and fix the top column panel 17, and the lower sealing plate 20 is used to support the overall structure, prevent melt leakage, and keep the cavity pressure stable. The position of the cylinder 18 is fixed by the lower sealing plate 20 and the top column bottom plate 19.

[0040] Working principle: when it is needed to produce products with different shapes, sizes or structures, the control column 5 is pushed to move right, the control column 5 drives the two control strips 4 to rotate, the two control strips 4 drive the two limiting strips 3 to shrink towards each other under the control of the two fixed columns 2, and when the two limiting strips 3 are shrunk into the shell 1, the shell 1 is pulled out of the mold, at this time, the mold core is replaced, and finally the shell 1 is pushed into the mold again, so as to improve the versatility of the mold and achieve the purpose of producing products with different shapes, sizes or structures on the basis of the same set of mold. When it is needed to clean the adhered plastic material after the ejection of the mold, the motor 23 drives the gear 13 to rotate, the gear 13 drives the gear ring 12 to rotate, the gear ring 12 drives the fixed plate 21 to rotate, the fixed plate 21 drives the brush 16 to rotate, and the brush 16 is opened due to the centripetal force in the rotation. At this time, the cylinder 18 drives the brush 16 to move downward through the ejection column 25, the top head 11, the gear ring 12 and the control plate 14, and the brush 16 is completely opened under the limitation of the lower mold core 7 and the limiting column 15. At this time, the brush 16 removes the adhered plastic material by rotating the brush, so as to prevent the plastic material from adhering to the surface of the mold core and causing corrosion.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or equivalently replace some technical features, and any modification, equivalent replacement or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A modular injection mold comprising two housings (1), characterized in that: Two outer shell (1) inner wall opening are both fixedly connected with two fixed column (2), four fixed column (2) surface are all rotatably connected with limiting strip (3), four limiting strip (3) adjacent side are all rotatably connected with control strip (4), four control strip (4) adjacent side are fixedly connected with two control column (5), two control column (5) right side are all fixedly connected with spring (6), two spring (6) and two outer shell (1) between fixedly connected, the lower surface of the outer shell (1) surface left of the lower side is provided with lower die (8), the lower surface of the outer shell (1) surface right of the lower side is provided with lower die (7), the upper surface of the outer shell (1) surface left of the upper side is provided with upper die (10), the upper surface of the outer shell (1) surface right of the upper side is provided with upper die (9), the lower die (7) lower side is provided with cleaning device, the cleaning device is used for cleaning die to prevent residual material from adhering to the die.

2. A modular injection mold according to claim 1, characterized in that: The cleaning device comprises an ejection column (25), the ejection column (25) is located in the lower side of the lower die (8), the upper surface of the ejection column (25) is provided with a gear ring (12), the right side of the ejection column (25) is fixedly connected with a fixed plate (21), the bottom of the fixed plate (21) is fixedly connected with a motor (23), the output end of the motor (23) is fixedly provided with a gear (13), the gear (13) is engagedly connected with the gear ring (12), the bottom of the gear ring (12) is fixedly connected with a control panel (14), the front side of the control panel (14) is rotatably connected with a brush (16).

3. A modular injection mold in accordance with claim 1, wherein: The lower die (7) is located in the lower die (8), and the upper die (9) is located in the upper die (10).

4. A modular injection mold in accordance with claim 2, wherein: The upper die (10) top is fixedly connected with an upper sealing plate (22), and the lower die (8) top is fixedly connected with a support plate (24).

5. A modular injection mold in accordance with claim 2, wherein: The front side of the control panel (14) is fixedly connected with four limiting columns (15), and the brush (16) is located between the two limiting columns (15) adjacent to each other.

6. A modular injection mold in accordance with claim 2, wherein: The top of the gear ring (12) is rotatably connected with a top head (11), and the top head (11) is fixedly connected with the ejection column (25).

7. A modular injection mold in accordance with claim 2, wherein: The lower side of the ejection column (25) is provided with a gas cylinder (18), and the output end of the gas cylinder (18) is fixedly connected with a top column panel (17), and the top column panel (17) is fixedly connected with the ejection column (25).

8. A modular injection mold according to claim 7, characterized in that: The lower side of the top column panel (17) is provided with a top column bottom plate (19), and the lower side of the top column bottom plate (19) is fixedly connected with a lower sealing plate (20), and the gas cylinder (18) is located in the lower sealing plate (20), and the gas cylinder (18) is located in the top column bottom plate (19).

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