Plastic mold for plastic part production

Abstract

The utility model relates to the technical field of plastic molds, and discloses a plastic mold for plastic part production, which comprises a lower base, an upper base, a hydraulic cylinder and fixing seats, the adjacent surfaces of the lower base and the upper base are respectively provided with a lower base table and an upper base table, and the adjacent surfaces of the lower base table and the upper base table are respectively and fixedly provided with the fixing seats; the output ends of the two sets of servo motors drive the two sets of worms to drive the corresponding worm gears respectively, so that the rotating table between the upper base table and the lower base table can synchronously rotate in the corresponding connecting grooves, and the upper die and the lower die between the two sets of fixing bases can be synchronously and correspondingly adjusted to the centers of the two sets of base tables. Therefore, flexible and corresponding switching of the multiple sets of plastic part injection molding upper molds and lower molds is achieved, in this way, when plastic parts of different shapes and sizes are subjected to injection molding production, the original upper molds and lower molds do not need to be replaced after being disassembled, and injection molding of the plastic parts of different shapes and sizes is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic mould technical field, concretely is plastic mould for plastic part production. BACKGROUND

[0002] Injection molding is a common plastic processing method, which uses an injection molding machine to heat and melt plastic at high temperature, and then injects it into a mold for molding. During the production process of plastic parts, injection molding is required to be performed on them by using an injection molding mold.

[0003] For example, Chinese Patent No. CN220763377U discloses an injection molding mold for irregular plastic product production, which belongs to the field of injection molding production. The injection molding mold for irregular plastic product production includes two kiss-shaped mold blocks, two fixed plates installed on the opposite sides of the mold blocks, and an installation plate installed on the other side of the fixed plate.

[0004] In the above-mentioned comparative document, the mold blocks are installed or disengaged from the limit, which is simple in structure and convenient for users to quickly disassemble and replace the two mold blocks according to their needs, facilitating operation and reducing the cost of replacement.

[0005] However, the above-mentioned plastic mold for plastic part production needs to match and replace the upper and lower molds in the plastic injection mold according to the plastic parts to be injected, which requires disassembly and replacement of the original upper and lower molds when producing plastic parts of different shapes and sizes. The disassembly and replacement of the upper and lower molds are extremely inconvenient. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a plastic mold for plastic part production, which can realize flexible switching of multiple sets of upper and lower injection molds for plastic parts, without the need to disassemble and replace the original upper and lower molds, making it more convenient to injection mold plastic parts of different shapes and sizes.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a plastic mold for plastic part production, including lower base, upper base, hydraulic cylinder, fixed seat, the lower base and the upper base adjacent surface respectively are provided with lower base station, upper base station, the lower base station and the upper base station adjacent surface respectively fixed installation has fixed seat, two groups The fixed seat adjacent surface is respectively installed with a rotating table through a rotating shaft, two groups The rotating table adjacent surface is respectively fixed and installed with a lower mold and an upper mold on the circumference, the lower base station bottom and The upper base station top part is respectively installed with a servo motor, two groups The output end of the servo motor is respectively fixed and installed with a worm, two groups The rotating table rotating shaft end part is respectively fixed and installed with a worm wheel, The worm outer side and The worm wheel outer side are engaged.

[0008] Preferably, the lower base and the upper base are respectively fixedly installed with guide rods at the adjacent corners.

[0009] Preferably, the lower base is fixedly installed outside the guide rods, and the upper base is slidingly installed outside the guide rods.

[0010] Preferably, two groups of the fixed seats are respectively provided with an adapter groove on the circumference, and two groups of the rotating tables are respectively rotatingly installed in the inner wall of the corresponding adapter groove through a rotating shaft.

[0011] Preferably, the lower base and the upper base are respectively fixedly installed with a gear box at the bottom and the top, respectively.

[0012] Preferably, the worm and the worm wheel located on the same side are respectively located in the corresponding gear box, and two groups of the servo motors are fixedly installed on the back of the corresponding gear box.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a two groups of servo motors output respectively drive two groups of worm drive corresponding worm wheel, make the rotating table between upper base and lower base can rotate in corresponding adapter groove synchronously, make the upper die and lower die between two groups of fixed seats can be adjusted to two groups of base center correspondingly synchronously, realize a plurality of plastic part injection molding upper die and lower die flexible corresponding switching, when the plastic part injection molding of different shape, size is produced, need not to the original upper die and lower die after dismounting replacement, the plastic part injection molding of different shape, size is more convenient, solve the plastic part injection molding of different shape, size when production, need to the original upper die and lower die after dismounting replacement, upper die and lower die dismounting replacement, frequent operation, extremely inconvenient problem. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the side sectional structure schematic diagram of the utility model;

[0017] Figure 3 It is the middle lower base structure schematic diagram of the utility model;

[0018] Figure 4 It is Figure 2 The middle A place local amplification structure schematic diagram.

[0019] In the figure: 1, the lower base; 2, the upper base; 3, the hydraulic cylinder; 4, the fixed seat; 5, the lower mold; 6, the gear box; 7, the servo motor; 8, the worm gear; 11, the lower base; 12, the upper base; 13, the guide rod; 40, the link groove; 41, the rotating table; 51, the upper mold; 71, the worm. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a plastic mold for plastic part production, including lower base 1, upper base 2, hydraulic cylinder 3, fixed seat 4, lower base 1 and upper base 2 adjacent surface are provided with lower base 11, upper base 12 respectively, lower base 11 and upper base 12 adjacent surface are fixedly installed with fixed seat 4 respectively, two groups of fixed seat 4 adjacent surface are rotatably installed with rotating table 41 respectively by pivot, two groups of rotating table 41 adjacent surface are fixedly installed with lower mold 5, upper mold 51 respectively on circumference;

[0022] Lower base 11 bottom and upper base 12 top are respectively installed with servo motor 7, and the output end of two groups of servo motor 7 is fixedly installed with worm 71 respectively, and the outer edge of worm 71 is engaged with the outer edge of worm gear 8;

[0023] The telescopic end of hydraulic cylinder 3 is fixedly connected with the top of upper base 12, and the upper base 12 can be driven to slide downward along the guide rod 13 by the telescopic end of hydraulic cylinder 3, and the upper mold 51 on the fixed seat 4 on the bottom surface of upper base 12 can be matched with the lower mold 5 on the fixed seat 4 on the top surface of lower base 11, so that the plastic part injection mold can be formed, and the plastic part injection production is the prior art, which will not be described here;

[0024] The servo motor 7 on the upper base 12 and the lower base 11 is synchronously controlled by PLC controller.

[0025] The output end of two groups of servo motor 7 drives two groups of worm 71 to drive corresponding worm gear 8, so that the rotating table 41 between the upper base 12 and the lower base 11 can be synchronously rotated in the corresponding link groove 40, so that the upper mold 51 and the lower mold 5 between the two groups of fixed seat 4 can be synchronously adjusted to the center of the two groups of base, so as to realize flexible corresponding switching of multiple plastic part injection upper mold 51 and lower mold 5, so that when different shapes and sizes of plastic parts are injection molded, the original upper mold 5 and lower mold 51 do not need to be disassembled and replaced, and the injection molding of plastic parts of different shapes and sizes is more convenient.

[0026] Among them, guide rods 13 are fixedly installed at the inner corners of the adjacent surfaces of the lower base 1 and the upper base 2, the lower base 11 is fixedly installed on the outside of the guide rod 13, and the upper base 12 is slidably installed on the outside of the guide rod 13. The telescopic end of the hydraulic cylinder 3 is fixedly connected to the top of the upper base 12. The telescopic end of the hydraulic cylinder 3 can drive the upper base 12 to slide downward along the guide rod 13. The upper mold 51 on the bottom fixed seat 4 of the upper base 12 can cooperate with the lower mold 5 on the top fixed seat 4 of the lower base 11, thereby forming an injection mold for the plastic part.

[0027] Among them, two groups of fixed seats 4 are respectively provided with connecting grooves 40 on their circumferences, and two groups of rotating tables 41 are respectively installed in the corresponding inner walls of the connecting grooves 40 through rotating shafts. Gear boxes 6 are respectively fixedly installed at the bottom of the lower base 11 and the top of the upper base 12. The worm 71 and worm wheel 8 on the same side are respectively located inside the corresponding gear boxes 6. Two groups of servo motors 7 are fixedly installed on the back of the corresponding gear boxes 6. The output ends of the two groups of servo motors 7 respectively drive the two groups of worms 71 to transmit the corresponding worm wheels 8, so that the rotating table 41 between the upper base 12 and the lower base 11 can rotate synchronously in the corresponding connecting grooves 40, so that the upper mold 51 and the lower mold 5 between the two groups of fixed seats 4 can be synchronously adjusted to the center of the two groups of bases, thereby realizing flexible switching of multiple groups of plastic parts injection upper molds 51 and lower molds 5.

[0028] Working principle: During use, when it is necessary to switch between different injection molds of the two sets of fixed seats 4, the output ends of the two sets of servo motors 7 can be synchronously controlled by the PLC controller to drive the two sets of worm gears 71 to transmit the corresponding worm wheels 8, so that the rotating table 41 between the upper base 12 and the lower base 11 can rotate synchronously in the corresponding connecting groove 40, so that the upper mold 51 and the lower mold 5 between the two sets of fixed seats 4 can be synchronously adjusted to the center of the two sets of bases, thereby realizing the flexible corresponding switching of multiple sets of upper molds 51 and lower molds 5 for injection molding of plastic parts. In this way, when injecting plastic parts of different shapes and sizes, there is no need to disassemble the original upper mold 5 and lower mold 51 and then replace them, which makes it more convenient to inject plastic parts of different shapes and sizes;

[0029] Then, the telescopic end of the hydraulic cylinder 3 is fixedly connected to the top of the upper base 12, and the telescopic end of the hydraulic cylinder 3 can drive the upper base 12 to slide downward along the guide rod 13, and the upper mold 51 on the bottom fixed seat 4 of the upper base 12 can cooperate with the lower mold 5 on the top fixed seat 4 of the lower base 11, thereby forming an injection mold for the plastic part.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that the embodiments are not limiting and that changes can be made to these embodiments without departing from the principles of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A plastic mold for producing plastic parts, comprising a lower base (1), an upper base (2), a hydraulic cylinder (3), a fixing seat (4), characterized in that: The lower base (1) and the upper base (2) are provided with lower base (11) and upper base (12) respectively, the lower base (11) and the upper base (12) are fixedly installed with fixed seat (4) respectively, two groups of fixed seat (4) are rotatably installed with rotating table (41) through rotating shaft respectively, two groups of rotating table (41) are fixedly installed with lower mold (5) and upper mold (51) respectively, the bottom of the lower base (11) and the top of the upper base (12) are respectively provided with servo motor (7), two groups of servo motor (7) are fixedly installed with worm (71) respectively, two groups of rotating table (41) are fixedly installed with worm gear (8) respectively, the outer edge of the worm (71) is engaged with the outer edge of the worm gear (8).

2. The plastic mold for producing a plastic part according to claim 1, wherein: The lower base (1) and the upper base (2) are provided with lower base (11) and upper base (12) respectively, the lower base (11) and the upper base (12) are fixedly installed with fixed seat (4) respectively, two groups of fixed seat (4) are rotatably installed with rotating table (41) through rotating shaft respectively, two groups of rotating table (41) are fixedly installed with lower mold (5) and upper mold (51) respectively, the bottom of the lower base (11) and the top of the upper base (12) are respectively provided with servo motor (7), two groups of servo motor (7) are fixedly installed with worm (71) respectively, two groups of rotating table (41) are fixedly installed with worm gear (8) respectively, the outer edge of the worm (71) is engaged with the outer edge of the worm gear (8).

3. The plastic mold for producing a plastic part according to claim 2, wherein: The lower base (1) and the upper base (2) are provided with lower base (11) and upper base (12) respectively, the lower base (11) and the upper base (12) are fixedly installed with fixed seat (4) respectively, two groups of fixed seat (4) are rotatably installed with rotating table (41) through rotating shaft respectively, two groups of rotating table (41) are fixedly installed with lower mold (5) and upper mold (51) respectively, the bottom of the lower base (11) and the top of the upper base (12) are respectively provided with servo motor (7), two groups of servo motor (7) are fixedly installed with worm (71) respectively, two groups of rotating table (41) are fixedly installed with worm gear (8) respectively, the outer edge of the worm (71) is engaged with the outer edge of the worm gear (8).

4. The plastic mold for producing a plastic part according to claim 3, wherein: The lower base (1) and the upper base (2) are provided with lower base (11) and upper base (12) respectively, the lower base (11) and the upper base (12) are fixedly installed with fixed seat (4) respectively, two groups of fixed seat (4) are rotatably installed with rotating table (41) through rotating shaft respectively, two groups of rotating table (41) are fixedly installed with lower mold (5) and upper mold (51) respectively, the bottom of the lower base (11) and the top of the upper base (12) are respectively provided with servo motor (7), two groups of servo motor (7) are fixedly installed with worm (71) respectively, two groups of rotating table (41) are fixedly installed with worm gear (8) respectively, the outer edge of the worm (71) is engaged with the outer edge of the worm gear (8).

5. The plastic mold for producing a plastic part according to claim 4, wherein: ​ 6. The plastic mold for producing a plastic part according to claim 5, wherein: ​

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