Universal type quick die changing equipment

The electrically controlled rotation and repositioning design solves the problem of wasted time when manually changing the mold core when the mold temperature is high, and realizes the quick, convenient replacement and precise positioning of the mold core, thus improving the mold changing efficiency.

CN224103305UActive Publication Date: 2026-04-10KUNSHAN PULIFEI PRECISION MOULD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN PULIFEI PRECISION MOULD CO LTD
Filing Date
2025-06-03
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing quick mold change devices have limitations because when the mold surface temperature is high during processing, it is necessary to wait for it to cool down, which wastes time when manually changing the mold core.

Method used

The electric-controlled rotation and repositioning method, through the combination design of mold core fixing plate, V-shaped positioning groove and clamping plate, realizes the automatic and rapid replacement of mold core, and combined with servo motor and battery drive, ensures accurate positioning of mold core.

Benefits of technology

It enables quick and convenient mold core replacement, reduces waiting time, improves mold changing efficiency, ensures mold closing accuracy, and avoids errors.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224103305U_ABST
    Figure CN224103305U_ABST
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Abstract

The utility model discloses universal type quick die changing equipment in the technical field of dies, which comprises an upper die and a lower die, the center of the lower die is rotatably connected with a die core fixing plate, the upper side and the lower side of the die core fixing plate are fixedly connected with die core bodies, one side of the lower die is fixedly connected with a driving device, and the other side of the lower die is fixedly connected with the driving device. The driving device is fixedly connected with the mold core fixing plate through a shaft, V-shaped positioning grooves are fixedly formed in the two sides of the mold core fixing plate, clamping plates are arranged on the two sides of the lower mold in a sliding mode, V-shaped clamping blocks are fixedly connected to the inner sides of the clamping plates, and the V-shaped clamping blocks can be clamped in the V-shaped positioning grooves. According to the arrangement, a rotary transposition mode is adopted, electric control transposition can be carried out on the predetermined mold core, manual mold core replacement is not needed in the whole process, a large amount of waiting time is saved, dual-mold switching can be achieved, and convenience and rapidness are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field, and specifically relates to general formula quick die changing equipment. BACKGROUND

[0002] Mould is various moulds and tools for obtaining required products by injection moulding, blow moulding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, in short, mould is a tool for making formed articles, and the tool is composed of various parts, and different moulds are composed of different parts, and the tool realizes the processing of the shape of articles mainly through the change of the physical state of the formed material, and is called "mother of industry".

[0003] The device for quickly changing the pull tab disclosed in the above-mentioned patent publication CN107931567B and the use method thereof include a static die set and a movable die set that can be pressed together upward and downward, and the movable die set includes a movable die frame, a sliding die core, an elastic limiting mechanism and a ejector pin mechanism; the ejector pin mechanism can be controlled to move upward to be located in the sliding die core to stabilize the sliding die core or to move through the sliding die core to lift the material on the sliding die core; the ejector pin mechanism can also be controlled to move downward to release the limitation of the sliding die core; and the elastic limiting mechanism can be pressed downward to release the limitation of the sliding die core.

[0004] The above-mentioned existing quick die changing device greatly improves the die changing speed compared with the existing mould, but still has some problems, for example, in the processing process, after the mould is just used, the surface temperature is very high, manual die core replacement still needs to wait for the temperature to drop before operation, which wastes a lot of time and has certain limitations. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing general formula quick die changing equipment to solve the problem that the existing die changing device in the above-mentioned background art has certain limitations in the processing process, that is, after the mould is just used, the surface temperature is very high, manual die core replacement still needs to wait for the temperature to drop before operation, which wastes a lot of time.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: general formula quick die changing equipment, including upper die and lower die, the center of lower die is rotatably connected with die core fixed plate, the upper and lower sides of die core fixed plate are fixedly connected with die core body, one side of lower die is fixedly connected with driving device, driving device is fixedly connected with die core fixed plate through shaft, both sides of die core fixed plate are fixedly provided with V-shaped positioning groove, both sides of lower die are slidably provided with clamping plate, the inner side of clamping plate is fixedly connected with V-shaped clamping block, V-shaped clamping block can be clamped in the inside of V-shaped positioning groove.

[0007] Preferably, the driving device includes a motor box, a transposition motor and a battery, one side of the inside of the motor box is fixedly connected with the transposition motor, the other side of the inside of the motor box is fixedly connected with the battery, and the transposition motor is electrically connected with the battery through wires.

[0008] Preferably, the lower end of the upper die is fixedly connected with a first positioning column, the number of the first positioning column is four, first positioning grooves are fixedly arranged at the upper end of the two sides of the clamping plate, and the first positioning column can be inserted into the inside of the first positioning groove.

[0009] Preferably, sliding grooves are fixedly arranged at the bottom of the lower die, a rotating groove is fixedly arranged at the center of the bottom of the lower die, and the clamping plates are slidably arranged at the inside of the lower die through sliding blocks.

[0010] Preferably, a threaded rod is rotatably connected in the rotating groove, the threaded rod is threadedly sleeved with the clamping plates, the two ends of the threaded rod are threadedly opposite, and one end of the threaded rod is fixedly connected with a rotating motor through a shaft.

[0011] Preferably, the lower die is provided with a fixed plate, fixed screws are threadedly connected with the four corners of the fixed plate, threaded fixing holes are fixedly arranged at the four corners of one side of the lower die, a second positioning column is fixedly connected to the inside of the fixed plate, and a second positioning hole is fixedly arranged at one side of the die core fixed plate.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model adopts a rotating transposition mode, can electrically control the transposition of a pre-determined die core, does not need to manually replace the die core in the whole process, saves a large amount of waiting time, can realize double die switching, and is more convenient.

[0014] 2. The utility model positions through the two sides V grooves, positions the upper and lower dies through the die combining inserting column, and further positions the die core, so that the die combining is more accurate, and errors are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural schematic view of the upper die of the utility model;

[0017] Figure 3 It is an internal structure schematic view of the driving device of the utility model;

[0018] Figure 4 It is a structural schematic view of the die core fixed plate of the utility model.

[0019] In the figure: 1, upper die; 2, lower die; 3, die core fixing plate; 4, die core body; 5, driving device; 6, V-shaped positioning groove; 7, clamping plate; 8, V-shaped clamping block; 9, first positioning column; 10, first positioning groove; 11, sliding groove; 12, rotating groove; 13, threaded rod; 14, rotating motor; 15, motor box; 16, transposition motor; 17, battery; 18, threaded fixing hole; 19, second positioning column; 20, fixing plate; 21, fixing screw; 23, second positioning hole. 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. 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.

[0021] Please refer to Figures 1-4 The utility model provides a technical scheme: general formula quick die changing equipment, including upper die 1 and lower die 2, the center of lower die 2 is rotatably connected with die core fixing plate 3, and the upper and lower sides of die core fixing plate 3 are fixedly connected with die core body 4, one side of lower die 2 is fixedly connected with driving device 5, driving device 5 is fixedly connected with die core fixing plate 3 through shaft, and both sides of die core fixing plate 3 are fixedly provided with V-shaped positioning groove 6, and the both sides of lower die 2 are slidably provided with clamping plate 7, the inner side of clamping plate 7 is fixedly connected with V-shaped clamping block 8, and V-shaped clamping block 8 can be clamped in the inside of V-shaped positioning groove 6.

[0022] In the embodiment, the die core body 4 fixedly arranged on the upper and lower surfaces of the die core fixing plate 3 is arranged, two different die core bodies 4 are installed, when the lower die 2 and the upper die 1 at the upper end are combined to injection mold, the production of workpieces is completed, when another die core body 4 needs to be used, the clamping plate 7 is slid to the both sides, so that the V-shaped clamping block 8 can be separated from the V-shaped positioning groove 6, after a certain distance is separated, the driving device 5 can drive the die core fixing plate 3 to rotate by 180 degrees, so that the die core body 4 below can be rotated and transposed to the upper side, and then the switching of the die core is completed, after switching, the clamping plate 7 on the both sides is slid, so that the V-shaped clamping block 8 is embedded into the inside of the V-shaped positioning groove 6, is positioned, the die core body 4 after transposition can be accurate, and misplacement is avoided, the design method adopts the rotating transposition mode, the die core previously determined can be electrically controlled and transposed, the whole process does not need to manually replace the die core, a large amount of waiting time is saved, double die switching can be achieved, and it is more convenient.

[0023] Specific, the driving device 5 includes motor box 15, transposition motor 16 and battery 17, the inside one side of the motor box 15 is fixedly connected with transposition motor 16, the inside other side of the motor box 15 is fixedly connected with battery 17, transposition motor 16 is electrically connected with battery 17 by wire.

[0024] In the embodiment, the transposition motor 16 is a servo motor, and parameters are designed in advance. Only 180-degree transposition rotation can be performed. When the power is turned on, the rotation transposition can be performed.

[0025] Specifically, the lower end of the upper die 1 is fixedly connected with the first positioning column 9, the upper end of the two side clamping plates 7 is fixedly provided with the first positioning slot 10, and the first positioning column 9 can be inserted into the first positioning slot 10.

[0026] In the embodiment, the first positioning column 9 is arranged, after the upper die 1 and the lower die 2 are closed, the first positioning column 9 can be inserted into the first positioning slot 10, the position of the two side clamping plates 7 can be positioned, and the position of the die core fixing plate 3 can be positioned by the two side clamping plates 7, so that the position of the die core can be better positioned, and the die closing is more accurate.

[0027] Specifically, the bottom of the lower die 2 is fixedly provided with the sliding slot 11, the bottom of the lower die 2 is fixedly provided with the rotating slot 12, and the two side clamping plates 7 are slidably arranged on the inner side of the lower die 2.

[0028] In the embodiment, the sliding slot 11 and the rotating slot 12 are arranged to limit the two side clamping plates 7 to slide only.

[0029] Specifically, the rotating slot 12 is rotatably connected with the threaded rod 13, the threaded rod 13 is threadedly connected with the two side clamping plates 7, the two ends of the threaded rod 13 are oppositely threaded, and one end of the threaded rod 13 is fixedly connected with the rotating motor 14 through a shaft.

[0030] In the embodiment, the rotating motor 14 is arranged, after the power supply is turned on, the threaded rod 13 can be driven to rotate, the threaded rod 13 can be threadedly rotated with the two side clamping plates 7 after rotating, the clamping plate 7 is limited to slide only, and the threaded rod 13 can drive the two side clamping plates 7 to clamp or relax.

[0031] Specifically, one side of the lower die 2 is provided with the fixed plate 20, the four corners of the fixed plate 20 are threadedly connected with the fixed screws 21, one side of the lower die 2 is fixedly provided with the threaded fixing holes 18, the inner side of the fixed plate 20 is fixedly connected with the second positioning column 19, and one side of the die core fixing plate 3 is fixedly provided with the second positioning hole 23.

[0032] In the embodiment, through the fixed plate 20, when the lower mold 2 and the upper mold 1 at the upper end are combined for injection molding, the production of the workpiece is completed, when another die core body 4 is needed, the slide clamps 7 are slid to the two sides, so that the V-shaped clamping blocks 8 can be separated from the V-shaped positioning grooves 6, after being separated by a certain distance, the driving device 5 can drive the die core fixed plate 3 to rotate by one hundred and eighty degrees, so that the die core body 4 below can be rotated and positioned above, and the switching of the die core is completed, after switching, the slide clamps 7 on the two sides can be slid, so that the V-shaped clamping blocks 8 are embedded into the V-shaped positioning grooves 6, and the positioning is performed, so that the die core body 4 after the rotation can be accurate and avoid misplacement, after the positioning of the slide clamps 7 on the two sides, the fixed plate 20 can be screw-mounted, so that the second positioning column 19 arranged in the fixed plate 20 can be inserted into the second positioning hole 23 on one side of the die core fixed plate 3, thereby further fixing the die core fixed plate 3, avoiding the shaking of the bearing rotating part during the combination of the mold, and affecting the accuracy of the mold combination, the design method adopts the two-side V-shaped groove for pre-positioning, then the mold combination inserting column is used for positioning the upper and lower molds, finally, the die core is further positioned, so that the mold combination is more accurate and avoids errors.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A universal quick die changing apparatus comprising an upper die and a lower die, characterized in that: The center of the lower mold is rotationally connected with a mold core fixing plate, the upper and lower sides of the mold core fixing plate are fixedly connected with a mold core body, one side of the lower mold is fixedly connected with a driving device, the driving device is fixedly connected with the mold core fixing plate through a shaft, both sides of the mold core fixing plate are fixedly provided with V-shaped positioning grooves, both sides of the lower mold are slidably provided with clamping plates, the inner side of the clamping plate is fixedly connected with a V-shaped clamping block, and the V-shaped clamping block can be clamped in the V-shaped positioning groove.

2. The universal quick die changing apparatus as claimed in claim 1, wherein: The driving device comprises a motor box, a transposition motor and a storage battery, one side of the inside of the motor box is fixedly connected with the transposition motor, the other side of the inside of the motor box is fixedly connected with the storage battery, and the transposition motor is electrically connected with the storage battery through wires.

3. The universal quick die changing apparatus as claimed in claim 1, wherein: The lower end of the upper mold is fixedly connected with a first positioning column, the number of the first positioning column is four, first positioning grooves are fixedly arranged on the upper end of both sides of the clamping plate, and the first positioning column can be inserted into the first positioning groove.

4. The universal quick die changing apparatus as claimed in claim 1, wherein: The bottom of the lower mold is fixedly provided with sliding grooves on both sides, and a rotating groove is fixedly arranged at the center of the bottom of the lower mold.

5. The universal quick die changing apparatus as claimed in claim 4, wherein: The rotating groove is rotationally connected with a threaded rod, the threaded rod is threadedly sleeved with both sides of the clamping plate, the both ends of the threaded rod are oppositely threaded, and one end of the threaded rod is fixedly connected with a rotating motor through a shaft.

6. The universal quick die changer of claim 1, wherein: One side of the lower mold is provided with a fixed plate, the four corners of the fixed plate are threadedly connected with fixed screws, four corners of one side of the lower mold are fixedly provided with threaded fixing holes, the inner side of the fixed plate is fixedly connected with a second positioning column, and one side of the mold core fixing plate is fixedly provided with a second positioning hole.

Citation Information

Patent Citations

  • A quick mold-changing device for sheet pulling and its usage method

    CN107931567B