Cutting-free plastic magnetic rotor mold

By introducing T-shaped mounting slide rails and ejection springs into the plastic magnetic rotor mold, the rapid cooling of the rotor is achieved, solving the problem of unsatisfactory cooling effect of the existing mold and improving working efficiency.

CN223223794UActive Publication Date: 2025-08-15张家港倍恩特磁塑科技有限公司
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Patent Information

Application Number
CN202421994844.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-08-15
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

The existing rotor molds have poor cooling effect after forming, which affects working efficiency.

Method used

A cutting-free plastic magnetic rotor mold is designed. The upper mold and the cooling assembly are driven to slide through the T-shaped mounting slide rail, so that the cooling assembly is aligned with the lower mold, and the ejection spring is used to achieve ejection of the mold frame, and the rotor inside the lower mold is quickly cooled by using the air in the cooling box.

Benefits of technology

It realizes rapid cooling of the rotor, improves cooling effect, and improves working efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223223794U_ABST
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Abstract

The utility model discloses a cutting-free plastic magnetic rotor mold, which relates to the technical field of rotor injection molding and comprises a supporting bottom plate, a bearing frame is arranged at the top of the supporting bottom plate, a hydraulic cylinder is arranged in the middle of the top of the bearing frame, a hydraulic rod is arranged at the bottom of the hydraulic cylinder, and an adjusting assembly is arranged at the bottom of the hydraulic rod. An upper mold is arranged on one side of the lower portion of the adjusting assembly, a cooling assembly is arranged on the lower portion of the other side of the adjusting assembly, and a lower mold is arranged in the middle of the top of the supporting bottom plate. According to the utility model, the T-shaped mounting slide rail drives the upper mold and the cooling assembly to slide, so that the separation of the upper mold and the lower mold is realized, the cooling assembly is aligned with the lower mold, a rotor in the lower mold is conveniently and quickly cooled, the ejection of the mold frame is realized through the ejection spring arranged at the bottom of the lower mold, and the production efficiency is improved. Therefore, a certain distance is formed between the mold frame and the model groove in the middle of the lower mold, and the cooling effect is further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of rotor injection molding, in particular to a cutting-free plastic magnetic rotor mold. Background Art

[0002] A rotor is a rotating body supported by bearings, and is often the main rotating component in power machinery and working machinery. Objects without their own rotating shafts, such as optical discs, can be considered a rotor when rigidly connected or with additional shafts. With the promotion of plastic magnetic rotors, they are gradually replacing traditional rotors wound with copper wire. Plastic magnetic rotors can adapt to the high speeds and long periods of continuous operation of DC motors, and can ensure that they will not crack and have low heat generation. The current rotor injection molding process is to place metal inserts into a mold and inject BMC plastic to produce a plastic magnetic rotor.

[0003] However, the rapid cooling effect of the rotor after forming in the existing rotor mold is not ideal. Most of the rotors are cooled inside the mold, which increases the cooling time and affects work efficiency. Therefore, it is necessary to provide a cutting-free plastic magnetic rotor mold to solve the problem. Utility Model Content

[0004] The main purpose of the utility model is to provide a cutting-free plastic magnetic rotor mold, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The cutting-free plastic magnetic rotor mold includes a supporting base plate, a carrier frame is provided on the top of the supporting base plate, a hydraulic cylinder is provided in the middle of the top of the carrier frame, a hydraulic rod is provided at the bottom of the hydraulic cylinder, and an adjustment assembly is provided at the bottom of the hydraulic rod, an upper mold is provided on one side below the adjustment assembly, and a cooling assembly is provided below the other side of the adjustment assembly, and a lower mold is provided in the middle of the top of the supporting base plate;

[0007] The adjustment assembly includes a mounting frame, a T-shaped mounting rail is provided in the middle of the mounting frame, and an L-shaped mounting frame is provided on the top of the mounting frame, a drive motor is provided on one side of the L-shaped mounting frame, and a driving gear is provided on the other side of the L-shaped mounting frame, and a transmission rack is provided below the driving gear;

[0008] The cooling assembly includes a cooling box, a refrigerator is provided on the side of the cooling box, a condensed water transmission pipe is provided in the middle of the cooling box, and fans are provided on both sides of the cooling box.

[0009] Preferably, the top of the mounting frame is connected to the hydraulic rod by bolts, and there are two hydraulic rods, which are symmetrically distributed on both sides of the top of the mounting frame. A T-shaped mounting rail is slidably connected to the middle of the bottom of the mounting frame, and a slide groove is provided at the bottom of the mounting frame, and the T-shaped mounting rail is slidably connected to the inside of the slide groove at the bottom of the mounting frame.

[0010] Preferably, a through slot is provided in the middle of the top of the mounting frame, and the through slot passes through the interior of the mounting frame. An L-shaped mounting frame is installed on one side of the top of the mounting frame by bolts, and there are two L-shaped mounting frames, which are symmetrically distributed on both sides of the through slot, and the L-shaped mounting frame is arranged adjacent to the through slot.

[0011] Preferably, a driving motor is mounted on the side of the L-shaped mounting frame by bolts, and the output end of the driving motor is transmission-connected to a driving gear, both ends of the driving gear are connected to the two L-shaped mounting frames through bearings, and the middle of the bottom of the driving gear is located in the middle of the through slot, a transmission rack is provided below the driving gear, and the transmission rack is fixedly connected to the T-shaped mounting rail, and the driving gear and the transmission rack are meshed with each other.

[0012] Preferably, a cooling box is installed on one side of the bottom of the T-shaped mounting rail by bolts, and a refrigerator is installed on the side of the cooling box by bolts, and there are two refrigerators, which are symmetrically distributed on both sides of the cooling box, and a condensate transmission pipe is installed in the middle of the refrigerator, and there are multiple condensate transmission pipes, which are evenly distributed in the middle of the cooling box, and a fan is installed on the side of the cooling box close to the upper mold, and there are multiple fans, which are symmetrically distributed on both sides of the cooling box, and the bottom of the cooling box is in contact with the top of the lower mold.

[0013] Preferably, an upper mold is installed on the side of the T-shaped mounting rail away from the cooling box through bolts, and the middle of the upper mold is arranged in a convex shape, and the convex side of the bottom of the upper mold contacts the inside of the lower mold, a model groove is opened in the middle of the lower mold, and an ejection spring is fixedly connected to the middle of the bottom of the model groove. There are four ejection springs, which are evenly distributed inside the model groove in the middle of the lower mold, and the end of the ejection spring away from the lower mold is fixedly connected to the mold frame, and a rotor is arranged in the middle of the mold frame.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] In the utility model, the upper mold and the cooling assembly are driven to slide by the T-shaped mounting slide rail, thereby realizing the separation of the upper mold and the lower mold, aligning the cooling assembly with the lower mold, thereby facilitating the rapid cooling of the rotor inside the lower mold, and the ejection of the mold frame is realized by the ejection spring arranged at the bottom of the lower mold, so that the mold frame and the model groove between the lower mold are set at a certain distance, which facilitates the cooling of the bottom of the mold frame by the cold air inside the cooling box, and further improves the cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a first-perspective stereogram of the device of the utility model;

[0017] Figure 2 This is a second perspective stereogram of the entire device of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure inside the lower mold of the utility model;

[0019] Figure 4 It is a structural diagram of the adjustment component of the utility model;

[0020] Figure 5 It is a structural diagram of the cooling component of the utility model.

[0021] In the figure: 1. Support base plate; 2. Carrying frame; 3. Hydraulic cylinder; 4. Hydraulic rod; 5. Upper mold; 6. Lower mold; 7. Mold frame; 8. Ejector spring; 9. Rotor; 10. Adjustment assembly; 11. Mounting frame; 12. T-shaped mounting rail; 13. Through slot; 14. L-shaped mounting frame; 15. Drive motor; 16. Driving gear; 17. Transmission rack; 18. Cooling assembly; 19. Cooling box; 20. Refrigeration machine; 21. Condensate transmission pipe; 22. Fan. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] See also Figure 1-Figure 5As shown, the cutting-free plastic magnetic rotor mold includes a supporting base plate 1, a carrying frame 2 is provided on the top of the supporting base plate 1, and a hydraulic cylinder 3 is provided in the middle of the top of the carrying frame 2, a hydraulic rod 4 is provided at the bottom of the hydraulic cylinder 3, and an adjusting component 10 is provided at the bottom of the hydraulic rod 4, an upper mold 5 is provided on one side below the adjusting component 10, and a cooling component 18 is provided below the other side of the adjusting component 10, a lower mold 6 is provided in the middle of the top of the supporting base plate 1, and the upper mold 5 is installed on the side of the T-shaped mounting slide 12 away from the cooling box 19 by bolts, and the middle of the upper mold 5 is convex, and the convex side of the bottom of the upper mold 5 contacts the inside of the lower mold 6, a model groove is provided in the middle of the lower mold 6, and an ejection spring 8 is fixedly connected to the middle of the bottom of the model groove, there are four ejection springs 8, which are evenly distributed in the mold groove in the middle of the lower mold 6, and the end of the ejection spring 8 away from the lower mold 6 is fixedly connected to the mold frame 7, and a rotor 9 is provided in the middle of the mold frame 7;

[0024] See also Figure 1 、 Figure 2 、 Figure 4As shown, the adjustment assembly 10 includes a mounting frame 11, a T-shaped mounting rail 12 is provided in the middle of the mounting frame 11, and an L-shaped mounting frame 14 is provided on the top of the mounting frame 11, a driving motor 15 is provided on one side of the L-shaped mounting frame 14, and a driving gear 16 is provided on the other side of the L-shaped mounting frame 14, and a transmission rack 17 is provided below the driving gear 16. The top of the mounting frame 11 is connected to the hydraulic rod 4 by bolts, and there are two hydraulic rods 4, which are symmetrically distributed on both sides of the top of the mounting frame 11. The bottom middle of the mounting frame 11 is slidably connected with a T-shaped mounting rail 12, and a slide groove is provided at the bottom of the mounting frame 11. The T-shaped mounting rail 12 is slidably connected to the inside of the slide groove at the bottom of the mounting frame 11. A through groove 13 is provided in the middle of the top of the mounting frame 11, and the through groove 13 passes through the interior of the mounting frame 11. An L-shaped mounting frame 14 is installed on one side of the top of the mounting frame 11 by bolts, and there are two L-shaped mounting frames 14, which are symmetrically distributed on both sides of the through groove 13. The L-shaped mounting frames 14 are aligned with the through groove 13. The drive motor 15 is installed on the side of the L-shaped mounting frame 14 by bolts, and the output end of the drive motor 15 is connected to the driving gear 16. The two ends of the driving gear 16 are connected to the two L-shaped mounting frames 14 through bearings, and the middle of the bottom of the driving gear 16 is located in the middle of the through slot 13. A transmission rack 17 is provided below the driving gear 16, and the transmission rack 17 is fixedly connected to the T-shaped mounting slide 12. The driving gear 16 and the transmission rack 17 are meshed with each other, and the upper mold 5 and the cooling assembly 18 are driven to slide by the T-shaped mounting slide 12, thereby realizing the separation of the upper mold 5 and the lower mold 6, and aligning the cooling assembly 18 with the lower mold 6, thereby facilitating the rapid cooling of the rotor inside the lower mold 6, and realizing the ejection of the mold frame 7 by the ejection spring 8 provided at the bottom of the lower mold 6, so that the mold frame 7 and the mold groove between the lower mold 6 are set at a certain distance, which facilitates the cooling of the bottom of the mold frame 7 by the cold air inside the cooling box 19, thereby further improving the cooling effect;

[0025] See also Figure 1 、 Figure 2 ,picture, Figure 4 、 Figure 5As shown, the cooling assembly 18 includes a cooling box 19, a refrigerator 20 is provided on the side of the cooling box 19, and a condensate transmission pipe 21 is provided in the middle of the cooling box 19, and fans 22 are provided on both sides of the cooling box 19. The cooling box 19 is installed on one side of the bottom of the T-shaped mounting rail 12 by bolts, and the refrigerator 20 is installed on the side of the cooling box 19 by bolts, and there are two refrigerators 20, which are symmetrically distributed on both sides of the cooling box 19, a condensate transmission pipe 21 is installed in the middle of the refrigerator 20, and there are multiple condensate transmission pipes 21, which are evenly distributed in the middle of the cooling box 19, a fan 22 is installed on the side of the cooling box 19 close to the upper mold 5, and there are multiple fans 22, which are symmetrically distributed on both sides of the cooling box 19, and the bottom of the cooling box 19 is in contact with the top of the lower mold 6.

[0026] It should be noted that the present invention is a cutting-free plastic magnetic rotor mold. When in use, the driving motor 15 drives the active gear 16 to rotate, so that the active gear 16 drives the transmission rack 17 to transmit the T-shaped mounting slide 12, so that the T-shaped mounting slide 12 slides inside the mounting frame 11 in the direction of the cooling assembly 18, so that the upper mold 5 is aligned with the lower mold 6, and the hydraulic cylinder 3 drives the hydraulic rod 4 and the upper mold 5 to descend. The protrusion at the bottom of the upper mold 5 is inserted into the interior of the lower mold 6, thereby realizing the limit connection between the upper mold 5 and the lower mold 6, and at the same time realizing the extrusion of the mold frame 7 and the ejection spring 8 in the middle of the lower mold 6, so that the mold frame 7 is retracted to the inside of the model groove in the middle of the lower mold 6, and injection molding is performed through the injection holes on both sides of the mold frame 7. After the injection molding is completed, the hydraulic cylinder 3 drives the hydraulic rod 4 to rise to the appropriate position, and then the driving motor 15 drives the active gear 16 to rotate, and the active gear The wheel 16 drives the transmission rack 17 and the T-shaped mounting slide 12 to slide inside the mounting frame 11, so that the mounting frame 11 drives the cooling assembly 18 to move in the direction of the upper mold 5, so that the cooling box 19 is aligned with the lower mold 6, and the hydraulic cylinder 3 drives the hydraulic rod 4 and the cooling box 19 to descend. The bottom of the cooling box 19 contacts the top of the lower mold 6. At the same time, the top inner wall of the cooling box 19 is set at a certain distance from the top of the lower mold 6, and when the upper mold 5 is separated from the lower mold 6, the ejection spring 8 in the middle of the lower mold 6 realizes the ejection of the mold frame 7 and the rotor 9, so that the mold frame 7 is set at a certain distance from the lower mold 6. At this time, the top of the rotor 9 is set at a certain distance from the condensate transmission pipe 21 inside the cooling box 19. The condensate is circulated and transmitted inside the condensate transmission pipe 21 by the provided refrigerator 20. The cold air is blown by the provided fan 22 to accelerate the cooling effect of the mold frame 7 and the rotor 9, thereby improving the practicality of the device.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A cutting-free plastic magnetic rotor mold, comprising a supporting base plate (1), characterized in that: A carrier frame (2) is provided on the top of the supporting base plate (1), and a hydraulic cylinder (3) is provided in the middle of the top of the carrier frame (2), a hydraulic rod (4) is provided at the bottom of the hydraulic cylinder (3), and an adjusting assembly (10) is provided at the bottom of the hydraulic rod (4), an upper mold (5) is provided on one side below the adjusting assembly (10), and a cooling assembly (18) is provided below the other side of the adjusting assembly (10), and a lower mold (6) is provided in the middle of the top of the supporting base plate (1); The adjustment assembly (10) includes a mounting frame (11), a T-shaped mounting rail (12) is provided in the middle of the mounting frame (11), an L-shaped mounting frame (14) is provided on the top of the mounting frame (11), a driving motor (15) is provided on one side of the L-shaped mounting frame (14), and a driving gear (16) is provided on the other side of the L-shaped mounting frame (14), and a transmission rack (17) is provided below the driving gear (16); The cooling assembly (18) includes a cooling box (19), a refrigerator (20) is provided on the side of the cooling box (19), a condensed water transmission pipe (21) is provided in the middle of the cooling box (19), and fans (22) are provided on both sides of the cooling box (19).

2. The cutting-free plastic magnetic rotor mold according to claim 1, characterized in that: The top of the mounting frame (11) is connected to the hydraulic rod (4) by bolts, and there are two hydraulic rods (4), which are symmetrically distributed on both sides of the top of the mounting frame (11). A T-shaped mounting rail (12) is slidably connected to the middle of the bottom of the mounting frame (11), and a slide groove is opened at the bottom of the mounting frame (11). The T-shaped mounting rail (12) is slidably connected to the inside of the slide groove at the bottom of the mounting frame (11).

3. The cutting-free plastic magnetic rotor mold according to claim 2, characterized in that: A through slot (13) is provided in the middle of the top of the mounting frame (11), and the through slot (13) passes through the interior of the mounting frame (11). An L-shaped mounting frame (14) is installed on one side of the top of the mounting frame (11) by means of bolts, and there are two L-shaped mounting frames (14), which are symmetrically distributed on both sides of the through slot (13), and the L-shaped mounting frames (14) are arranged adjacent to the through slot (13).

4. The cutting-free plastic magnetic rotor mold according to claim 3, characterized in that: A driving motor (15) is mounted on the side of the L-shaped mounting frame (14) by means of bolts, and the output end of the driving motor (15) is connected to a driving gear (16) by transmission, and both ends of the driving gear (16) are connected to the two L-shaped mounting frames (14) by means of bearings, and the middle of the bottom of the driving gear (16) is located in the middle of the through slot (13), and a transmission rack (17) is provided below the driving gear (16), and the transmission rack (17) is fixedly connected to the T-shaped mounting rail (12), and the driving gear (16) and the transmission rack (17) are meshed with each other.

5. The cutting-free plastic magnetic rotor mold according to claim 1, characterized in that: A cooling box (19) is mounted on one side of the bottom of the T-shaped mounting rail (12) by bolts, and a refrigerator (20) is mounted on the side of the cooling box (19) by bolts, and there are two refrigerators (20), which are symmetrically distributed on both sides of the cooling box (19), a condensed water transmission pipe (21) is mounted in the middle of the refrigerator (20), and there are multiple condensed water transmission pipes (21), which are evenly distributed in the middle of the cooling box (19), a fan (22) is mounted on one side of the cooling box (19) close to the upper mold (5), and there are multiple fans (22), which are symmetrically distributed on both sides of the cooling box (19), and the bottom of the cooling box (19) is in contact with the top of the lower mold (6).

6. The cutting-free plastic magnetic rotor mold according to claim 1, characterized in that: The upper mold (5) is mounted on the side of the T-shaped mounting rail (12) away from the cooling box (19) by means of bolts, and the middle of the upper mold (5) is arranged in a convex shape, and the convex side of the bottom of the upper mold (5) contacts the inside of the lower mold (6), and a mold groove is provided in the middle of the lower mold (6), and an ejection spring (8) is fixedly connected to the middle of the bottom of the mold groove. There are four ejection springs (8), which are evenly distributed inside the mold groove in the middle of the lower mold (6), and one end of the ejection spring (8) away from the lower mold (6) is fixedly connected to the mold frame (7), and a rotor (9) is provided in the middle of the mold frame (7).