Positioning tool for injection mold

Abstract

The utility model belongs to the technical field of injection mold processing equipment, and particularly relates to a positioning tool for an injection mold, which comprises a fixed seat, a lower mold positioned on the upper end surface of the fixed seat and an upper mold mounted on the upper end surface of the lower mold, a mounting hole is formed in the outer side wall of the mounting plate in a penetrating mode, a positioning mechanism is arranged between the upper end face of the fixing base and the mounting hole and comprises a positioning cylinder embedded in the upper end face of the fixing base, an electric push rod is mounted on the bottom end face in the positioning cylinder, and a fixing rod is mounted at the output end of the electric push rod; a fixing column which is located behind the electric push rod and extends into the positioning cylinder is installed on the bottom end face in the positioning cylinder. The lower die can be conveniently and rapidly fixed and disassembled, time and labor are saved, and the installation and replacement efficiency of the lower die is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection mold processing equipment technical field, concretely is a kind of positioning tool for injection mold. BACKGROUND

[0002] Injection molding is also known as injection molding, it is a kind of injection molding forming method, it is at certain temperature, by screw to completely melt plastic material Stirring, by high pressure injection into mold cavity, after cooling solidification, the method of obtaining the shaped product. This method is suitable for batch production of complex parts.

[0003] After retrieval, the patent with announcement number CN219855703U discloses a positioning tool for injection mold, including lower die seat, the upper end of lower die seat is clamped and installed with upper die seat, the top end of upper die seat is embedded and installed with injection port, the bottom side both ends of lower die seat are installed with a pair of mounting blocks, the upper end surface of mounting block is all provided with mounting hole, the inside of mounting hole is all inserted with positioning mechanism, positioning mechanism includes sleeve, the inside bottom of sleeve is all fixedly installed with slide rod, the top end of slide rod is slidably sleeved with connecting piece, the four sides of connecting piece are all installed with movable seat, the inside of movable seat is all hinged with support rod through pin shaft, sleeve is all provided with slot on the side close to support rod, the side of support rod is all extended to outside through slot, the upper end outside of sleeve is provided with screw groove, screw groove is connected with locking cap outside thread. The utility model can effectively improve the rapid installation and positioning of injection mold.

[0004] The above-mentioned positioning tool needs to press the pressing rod manually when installing and fixing the lower mold of injection mold, and the lower mold is fixed by tightening the screw cap, which is relatively troublesome and affects the installation efficiency. SUMMARY

[0005] The utility model aims at providing a positioning tool for injection mold, which facilitates the quick fixing and dismounting of the lower mold, saves time and effort, and improves the installation and replacement efficiency of the lower mold.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a positioning tool for injection mold, comprising a fixing seat, a lower mold located on the upper end surface of the fixing seat, and an upper mold installed on the upper end surface of the lower mold, the left and right side walls of the lower mold are both fixedly installed with two front and rear distributed mounting plates, the outer side wall of the mounting plate is penetrated and provided with a mounting hole, the upper end surface of the fixing seat and the mounting hole are provided with a positioning mechanism, the positioning mechanism comprises a positioning cylinder embedded and installed on the upper end surface of the fixing seat, the inside bottom end surface of the positioning cylinder is installed with an electric push rod, the output end of the electric push rod is installed with a fixed rod, the inside bottom end surface of the positioning cylinder is installed with a fixed column located behind the electric push rod and extending to the inside of the positioning cylinder;

[0007] The outer side wall of the fixed rod is provided with three evenly distributed through holes, and the inner side of the fixed rod is provided with fixed plates corresponding to the three through holes respectively.

[0008] In order to facilitate the adjustment of the position of the fixed plate, as a positioning tool for an injection mold, two springs are arranged between the outer side wall of the fixed plate and the inner side wall of the fixed rod.

[0009] In order to enhance the stability of the movement of the fixed rod, as a positioning tool for an injection mold, two sliding grooves are arranged on the inner side wall of the positioning cylinder, and a sliding block is arranged on the outer side wall of the fixed rod.

[0010] In order to facilitate the movement of the fixed column between the three fixed plates, as a positioning tool for an injection mold, the fixed column is arranged between the three fixed plates, and the bottom of the fixed plate and the top of the fixed column are provided with an arc.

[0011] In order to facilitate the fixation of the position of the mounting plate, as a positioning tool for an injection mold, the fixed rod is arranged in the inner side of the mounting hole.

[0012] In order to improve the friction of the pressing plate, as a positioning tool for an injection mold, an anti-skid pad is arranged on the bottom end face of the pressing plate.

[0013] Compared with the prior art, the beneficial effects of the present application are as follows:

[0014] The electric push rod of the positioning mechanism moves the three fixed plates, three moving plates and three pressing plates to cooperate with the fixed column, thereby adjusting the position of the pressing plate, pressing and fixing the mounting plate, and fixing the lower mold. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0016] Figure 2 It is a schematic diagram of the positioning mechanism structure of the present application;

[0017] Figure 3 It is a schematic diagram of the Figure 2 cross-sectional structure of the present application

[0018] Figure 4The utility model discloses a Figure 3 Split structure schematic diagram.

[0019] In the drawing: 1, fixed seat, 2, lower mould, 201, mounting plate, 202, mounting hole, 3, upper mould, 4, positioning mechanism, 401, positioning cylinder, 402, electric push rod, 403, sliding slot, 404, sliding block, 5, fixed rod, 501, through -hole, 6, fixed plate, 601, moving plate, 602, pressing plate, 603, spring, 7, fixed column. DETAILED DESCRIPTION

[0020] Please refer to Figures 1 to 4 A kind of positioning tool for injection mold, including fixed seat 1, lower mould 2 in the upper end surface of fixed seat 1 and upper mould 3 installed on the upper end surface of lower mould 2, the left and right two side walls of lower mould 2 are all fixedly installed with two front and rear distribution mounting plates 201, mounting hole 202 is passed through and is set in the outer side wall of mounting plate 201, positioning mechanism 4 is set between the upper end surface of fixed seat 1 and mounting hole 202, positioning mechanism 4 includes positioning cylinder 401 embeddedly installed on the upper end surface of fixed seat 1, electric push rod 402 is installed on the inside bottom end surface of positioning cylinder 401, the output end of electric push rod 402 is installed with fixed rod 5, fixed column 7 is installed on the inside bottom end surface of positioning cylinder 401 and extends to the inside of positioning cylinder 401 behind electric push rod 402;

[0021] Three evenly distributed through -holes 501 are passed through and are set in the outer side wall of fixed rod 5, and fixed plate 6 is set in the inside of fixed rod 5 respectively with three through -holes 501, moving plate 601 is fixedly installed on the side close to fixed rod 5 of fixed plate 6, and pressing plate 602 is installed on the outer side wall of moving plate 601 in the inside of through -hole 501.

[0022] In the embodiment: when using, lower mould 2 is placed on fixed seat 1, and four mounting plates 201 are located at the outer wall of four fixed rods 5 respectively, as shown in Figure 1 Then start four electric push rods 402, so that fixed rod 5 moves and drives three fixed plates 6, three moving plates 601 and three pressing plates 602 to move, when three fixed plates 6 are extruded by fixed column 7, spring 603 can be compressed and moving plate 601 and pressing plate 602 are pushed to move, so that pressing plate 602 moves out of through -hole 501 and is pressed and fixed to mounting plate 201;When needing to replace lower mould 2, start four electric push rods 402 again, so that fixed rod 5 drives pressing plate 602 to separate from mounting plate 201, i. e. lower mould 2 can be disassembled and replaced, so that the quick fixing and disassembling of lower mould 2 are realized.

[0023] As a kind of technical optimization scheme of the utility model, two upper and lower distribution springs 603 are installed between the outer side wall of fixed plate 6 and the inner side wall of fixed rod 5.

[0024] In the embodiment, the spring 603 is arranged, and the position of the fixed plate 6 can be adjusted when the spring 603 is stretched or contracted.

[0025] As a technical optimization scheme of the utility model, the inner side wall of the positioning cylinder 401 is provided with two left and right distribution grooves 403, the inside of the groove 403 is slidably connected with the sliding block 404 installed on the outer side wall of the fixed rod 5.

[0026] In the embodiment, the groove 403 is arranged, when the fixed rod 5 drives the sliding block 404 to move, the sliding block 404 moves along the groove 403, the groove 403 can limit the moving direction of the sliding block 404, so that the fixed rod 5 can stably move.

[0027] As a technical optimization scheme of the utility model, the fixed column 7 is located between the three fixed plates 6, and the bottom of the fixed plate 6 and the top of the fixed column 7 are provided with an arc.

[0028] In the embodiment, the top of the fixed plate 6 and the top of the fixed column 7 are provided with an arc, which facilitates the movement of the fixed column 7 between the three fixed plates 6.

[0029] As a technical optimization scheme of the utility model, the fixed rod 5 is located in the inside of the mounting hole 202.

[0030] In the embodiment, the fixed rod 5 is moved to the inside of the mounting hole 202, which facilitates the fixation of the position of the mounting plate 201.

[0031] As a technical optimization scheme of the utility model, the bottom end face of the pressing plate 602 is provided with a non-slip pad.

[0032] In the embodiment, the protective pad is arranged, which can increase the friction of the pressing plate 602, thereby enhancing the stability of the pressing plate 602.

[0033] Working principle: when the utility model installs the lower mold 2, first, the lower mold 2 is placed on the fixed seat 1, and the mounting hole 202 on the four mounting plates 201 is aligned with the four fixed rods 5, so that the four mounting plates 201 are respectively located on the outer wall of the four fixed rods 5, such as Figure 1As shown in the figure, then start four electric push rod 402, push fixed rod 5 with two sliders 404 along two sliding groove 403 respectively, so that the fixed rod 5 with three fixed plate 6, three moving plate 601 and three press plate 602 stable movement, three fixed plate 6 in the process of moving by fixed column 7 extrusion, can compress spring 603, and push moving plate 601 and press plate 602 move, so that the press plate 602 from the hole 501 and move and press the mounting plate 201, so as to can be fixed to the lower die 2; need to disassemble the lower die 2, start four electric push rod 402 again, make it push fixed rod 5 move, so as to drive the press plate 602 and mounting plate 201 off, so as to realize the quick disassembly and replacement of the lower die 2.

[0034] The above is only the preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A positioning tool for injection mold, comprising a fixing base (1), a lower mold (2) located on the upper end surface of the fixing base (1) and an upper mold (3) installed on the upper end surface of the lower mold (2), both left and right side walls of the lower mold (2) are fixedly installed with two mounting plates (201) distributed in front and back, and the outer side wall of the mounting plate (201) is provided with a mounting hole (202) penetratingly opened, characterized in that: The upper end surface of the fixing seat (1) and the mounting hole (202) are provided with a positioning mechanism (4), the positioning mechanism (4) comprises a positioning cylinder (401) embedded and mounted on the upper end surface of the fixing seat (1), the inside bottom end surface of the positioning cylinder (401) is provided with an electric push rod (402), the output end of the electric push rod (402) is provided with a fixed rod (5), the inside bottom end surface of the positioning cylinder (401) is provided with a fixed column (7) located behind the electric push rod (402) and extending into the inside of the positioning cylinder (401); The outer side wall of the fixed rod (5) is provided with three uniformly distributed through holes (501), the inside of the fixed rod (5) is provided with three fixed plates (6) respectively corresponding to the three through holes (501), the side close to the fixed rod (5) of the fixed plate (6) is fixedly provided with a moving plate (601), the outer side wall of the moving plate (601) is provided with a pressing plate (602) located in the through hole (501).

2. A positioning tool for an injection mold according to claim 1, characterized in that: The outer side wall of the fixed plate (6) and the inner side wall of the fixed rod (5) are provided with two springs (603) distributed above and below.

3. A positioning tool for injection mold according to claim 1, characterized in that: The inner side wall of the positioning cylinder (401) is provided with two slide grooves (403) distributed left and right, the inside of the slide groove (403) is slidably connected with a sliding block (404) mounted on the outer side wall of the fixed rod (5).

4. The positioning tooling for an injection mold of claim 1, wherein: The fixed column (7) is located between the three fixed plates (6), and the bottom of the fixed plate (6) and the top of the fixed column (7) are provided with an arc.

5. The positioning tooling for an injection mold of claim 1, wherein: The fixed rod (5) is located in the inside of the mounting hole (202).

6. A positioning tool for injection molds according to claim 1, characterized in that: The bottom end surface of the pressing plate (602) is provided with a non-slip pad.

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