A perforated bar magnet pressing mold

Abstract

This utility model belongs to the technical field of bar magnet pressing molds, specifically relating to a perforated bar magnet pressing mold. The perforated bar magnet pressing mold includes a base plate, a column fixedly connected to the upper surface of the base plate, a first rectangular cylinder fixedly connected to the upper surface of the column, a support plate fixedly connected to the upper surface of the first rectangular cylinder, and an outer mold fixedly connected to the upper surface of the support plate. Through the cooperation of the support plate, top plate, sliding hole, rectangular hole, second rectangular cylinder, vertical plate, bar hole, first cylinder, third rectangular cylinder, second cylinder, and electric push rod, when the electric push rod pushes the second cylinder to the right, the top plate in the powder cavity can move upwards. At this time, the upward-moving top plate can push the formed bar magnet out of the powder cavity, making it more convenient for the user to remove the formed bar magnet from the pressing mold.

Description

Technical Field

[0001] This utility model belongs to the technical field of bar magnet pressing molds, specifically relating to a bar magnet pressing mold with holes. Background Technology

[0002] Currently, when processing bar magnets with holes, most methods involve setting an inner mold inside the powder cavity of a pressing mold, allowing the pressing mold to directly process the bar magnets with holes. For example, a pressing mold for bar magnets with holes is disclosed in Chinese Patent Publication No. CN202824656U. However, since the formed bar magnet is located inside the powder cavity, the operator needs to manually remove it from the powder cavity using additional tools. Furthermore, the operation is time-consuming, resulting in low overall production efficiency. Utility Model Content

[0003] The purpose of this invention is to provide a perforated bar magnet pressing mold, which solves the problem that since the formed bar magnet is located in the powder cavity, the operator needs to manually remove it from the powder cavity using additional tools, and the operation is time-consuming, resulting in low overall production efficiency.

[0004] The specific technical solution adopted by this utility model is as follows:

[0005] A perforated strip magnet pressing mold includes a base plate, a column fixedly connected to the upper surface of the base plate, a first rectangular tube fixedly connected to the upper surface of the column, a support plate fixedly connected to the upper surface of the first rectangular tube, an outer mold fixedly connected to the upper surface of the support plate, a powder cavity formed inside the outer mold, an inner mold fixedly connected to the inner wall of the support plate, a top plate fitted against the inner wall of the powder cavity, a sliding hole formed inside the top plate, the inner wall of the sliding hole fitting against the surface of the inner mold, and a rectangular hole formed inside the support plate. A second rectangular tube is fixedly connected to the inner wall of the top plate. A vertical plate is fitted to the inner wall of the second rectangular tube. The upper surface of the vertical plate is fixedly connected to the bottom of the top plate. A strip-shaped hole is opened inside the vertical plate. A first cylinder is fitted inside the strip-shaped hole. A third rectangular tube is fixedly connected to both the front and rear ends of the first cylinder. The surface of the third rectangular tube is fitted to the inner wall of the first rectangular tube. A second cylinder is fixedly connected to both the front and rear sides of the inner wall of the third rectangular tube. An electric push rod is fixedly connected to the bottom of the support plate. The electric push rod is located on the left side of the second cylinder.

[0006] The present invention is further configured such that the angle between the strip hole and the horizontal plane is 60°, and the length of the strip hole is greater than the diameter of the first cylinder.

[0007] The present invention is further configured such that a U-shaped plate is fixedly connected to the right side of the electric push rod, a first guide ring is fixedly connected to the inner wall of the U-shaped plate, a first slider is fitted to both the inner wall of the first guide ring and the inner wall of the U-shaped plate, a spring is fixedly connected to the bottom of the first slider and the inner wall of the U-shaped plate, and an arc groove is formed on the upper surface of the first slider, the inner wall of the arc groove is fitted to the bottom surface of the second cylinder.

[0008] The present invention is further configured such that the first slider is located below the second cylinder, the center of the arc groove coincides with the axis of the second cylinder, the depth of the arc groove is less than the radius of the second cylinder, and the radius of the arc groove is equal to the radius of the second cylinder.

[0009] The present invention is further configured such that the upward force exerted by the spring on the first slider is greater than the weight of the first slider.

[0010] The present invention is further configured such that a second guide ring is fixedly connected to the upper surface of the base plate, a second slider is fitted to the inner wall of the second guide ring, and the upper surface of the second slider is fixedly connected to the bottom of the U-shaped plate.

[0011] The technical effects achieved by this utility model are as follows:

[0012] This utility model discloses a perforated bar magnet pressing mold, which includes a support plate, a top plate, a sliding hole, a rectangular hole, a second rectangular cylinder, a vertical plate, a strip hole, a first cylinder, a third rectangular cylinder, a second cylinder, and an electric push rod. When the electric push rod pushes the second cylinder to the right, the first cylinder moves to the right through the cooperation of the second cylinder, the first rectangular cylinder, and the second rectangular cylinder. This causes the top plate in the powder cavity to move upward through the inclined strip hole. At this time, the upward-moving top plate can push the formed bar magnet out of the powder cavity, making it more convenient for the user to remove the formed bar magnet from the pressing mold.

[0013] This utility model discloses a perforated bar magnet pressing mold. A first guide ring allows the first slider to move only upwards or downwards. Simultaneously, when the electric push rod extends, if the second cylinder cannot move due to external force, the matching structure between the arc groove and the second cylinder compresses the spring and disengages the second cylinder from the arc groove, allowing the electric push rod to extend normally. Therefore, when the formed bar magnet is ejected from the powder cavity, even if the formed bar magnet is stuck in the powder cavity, the electric push rod can still extend normally, thus preventing damage to the electric push rod due to obstruction during extension. Attached Figure Description

[0014] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model;

[0015] Figure 2This is a right view of the structure of this utility model;

[0016] Figure 3 yes Figure 2 Sectional view at point AA;

[0017] Figure 4 yes Figure 3 Sectional view at point BB;

[0018] Figure 5 This is a top view of the base plate in this utility model;

[0019] Figure 6 This is a top view of the support plate in this utility model;

[0020] Figure 7 This is a top view of the top plate in this utility model;

[0021] Figure 8 This is a front view of the vertical plate in this utility model;

[0022] Figure 9 This is a front view of the first slider in this utility model.

[0023] The attached diagram lists the components represented by each number as follows:

[0024] 1. Base plate; 2. Column; 3. First rectangular tube; 4. Support plate; 5. Outer mold; 6. Powder cavity; 7. Inner mold; 8. Top plate; 9. Sliding hole; 10. Rectangular hole; 11. Second rectangular tube; 12. Vertical plate; 13. Strip hole; 14. First cylinder; 15. Third rectangular tube; 16. Second cylinder; 17. Electric push rod; 18. U-shaped plate; 19. First guide ring; 20. First slider; 21. Spring; 22. Arc groove; 23. Second guide ring; 24. Second slider. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] like Figures 1 to 8As shown, a perforated strip magnet pressing mold includes a base plate 1, a column 2 fixedly connected to the upper surface of the base plate 1, a first rectangular tube 3 fixedly connected to the upper surface of the column 2, a support plate 4 fixedly connected to the upper surface of the first rectangular tube 3, an outer mold 5 fixedly connected to the upper surface of the support plate 4, a powder cavity 6 opened inside the outer mold 5, an inner mold 7 fixedly connected to the inner wall of the support plate 4, a top plate 8 fitted against the inner wall of the powder cavity 6, a sliding hole 9 opened inside the top plate 8, the inner wall of the sliding hole 9 fitting against the surface of the inner mold 7, and a rectangular hole 10 opened inside the support plate 4, the inner wall of the rectangular hole 10 being fixedly connected to... A second rectangular tube 11 is connected to the top plate 8. A vertical plate 12 is fitted to the inner wall of the second rectangular tube 11. The upper surface of the vertical plate 12 is fixedly connected to the bottom of the top plate 8. A strip hole 13 is opened inside the vertical plate 12. A first cylinder 14 is fitted inside the strip hole 13. A third rectangular tube 15 is fixedly connected to both the front and rear ends of the first cylinder 14. The surface of the third rectangular tube 15 is fitted to the inner wall of the first rectangular tube 3. A second cylinder 16 is fixedly connected to both the front and rear sides of the inner wall of the third rectangular tube 15. An electric push rod 17 is fixedly connected to the bottom of the support plate 4. The electric push rod 17 is located to the left of the second cylinder 16.

[0028] The angle between the strip hole 13 and the horizontal plane is 60°, and the length of the strip hole 13 is greater than the diameter of the first cylinder 14.

[0029] It should be noted that the cooperation of the support plate 4, outer mold 5, powder cavity 6 and inner mold 7 enables the pressing mold to directly process the perforated bar magnet. The second rectangular tube 11 allows the vertical plate 12 to move only upward or downward, and the rectangular hole 10 makes the air pressure between the top plate 8 and the support plate 4 equal to the external air pressure, thus allowing the top plate 8 to move smoothly in the powder cavity 6. The first rectangular tube 3 allows the third rectangular tube 15 to move only left or right. When the electric push rod 17 pushes the second cylinder 16 to move to the right, the cooperation of the second cylinder 16, the first rectangular tube 3 and the second rectangular tube 11 causes the first cylinder 14 to move to the right, and the inclined strip hole 13 causes the top plate 8 in the powder cavity 6 to move upward. At this time, the upward-moving top plate 8 can push the formed bar magnet out of the powder cavity 6. When the electric push rod 17 retracts to its minimum, the gravity of the top plate 8 causes the top plate 8 to automatically contact the support plate 4.

[0030] like Figures 1 to 9 As shown, a U-shaped plate 18 is fixedly connected to the right side of the electric push rod 17. A first guide ring 19 is fixedly connected to the inner wall of the U-shaped plate 18. A first slider 20 is fitted to both the inner wall of the first guide ring 19 and the inner wall of the U-shaped plate 18. A spring 21 is fixedly connected to both the bottom of the first slider 20 and the inner wall of the U-shaped plate 18. An arc groove 22 is formed on the upper surface of the first slider 20. The inner wall of the arc groove 22 is fitted to the bottom surface of the second cylinder 16.

[0031] The first slider 20 is located below the second cylinder 16. The center of the arc groove 22 coincides with the axis of the second cylinder 16. The depth of the arc groove 22 is less than the radius of the second cylinder 16. The radius of the arc groove 22 is equal to the radius of the second cylinder 16. The upward force exerted by the spring 21 on the first slider 20 is greater than the weight of the first slider 20.

[0032] A second guide ring 23 is fixedly connected to the upper surface of the base plate 1. A second slider 24 is fitted to the inner wall of the second guide ring 23. The upper surface of the second slider 24 is fixedly connected to the bottom of the U-shaped plate 18.

[0033] It should be noted that the first guide ring 19 allows the first slider 20 to move only upwards or downwards. At the same time, when the electric push rod 17 is extending, if the second cylinder 16 cannot move due to external force, the matching structure between the arc groove 22 and the second cylinder 16 will cause the spring 21 to compress and the second cylinder 16 to disengage from the arc groove 22, allowing the electric push rod 17 to extend normally. Thus, when the formed bar magnet is pushed out of the powder cavity 6, even if the formed bar magnet is stuck in the powder cavity 6, the electric push rod 17 can still extend normally, thereby avoiding damage to the electric push rod 17 due to obstruction during extension.

[0034] The working principle of this utility model is as follows: First, the powder is placed in the powder cavity 6. Then, the powder in the powder cavity 6 is pressed by the pressing device. After the powder in the powder cavity 6 is pressed into shape, the U-shaped plate 18 is moved to the right by the electric push rod 17. At this time, since the elastic force of the spring 21 is greater than the resistance when the second cylinder 16 moves to the right, the second cylinder 16 will not separate from the arc groove 22. Through the cooperation of the second cylinder 16 and the arc groove 22, the electric push rod 17 can push the second cylinder 16 to the right. Then, through the cooperation of the second cylinder 16, the first rectangular cylinder 3 and the second rectangular cylinder 11, the first cylinder 14 moves to the right. And through the inclined strip hole 13, the top plate 8 in the powder cavity 6 moves upward. At this time, the strip magnet after being formed can be pushed out of the powder cavity 6 by the upward moving top plate 8.

[0035] If the formed strip magnet gets stuck in the powder cavity 6 during the ejection process, the second cylinder 16 will be unable to move due to external force. At this time, the spring 21 will be compressed and the second cylinder 16 will be disengaged from the arc groove 22 by the cooperation structure between the arc groove 22 and the second cylinder 16, so that the electric push rod 17 can be extended normally.

[0036] After the formed bar magnet is ejected from the powder cavity 6, the formed bar magnet is removed from the placement plate, and the electric push rod 17 is retracted to the initial state. At this time, the top plate 8 can contact the support plate 4, and the first cylinder 14 and the second cylinder 16 can both return to their initial positions.

[0037] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. A perforated strip magnet pressing mold, characterized in that: The system includes a base plate (1), a column (2) fixedly connected to the upper surface of the base plate (1), a first rectangular tube (3) fixedly connected to the upper surface of the column (2), a support plate (4) fixedly connected to the upper surface of the first rectangular tube (3), an outer mold (5) fixedly connected to the upper surface of the support plate (4), a powder cavity (6) opened inside the outer mold (5), an inner mold (7) fixedly connected to the inner wall of the support plate (4), a top plate (8) fitted to the inner wall of the powder cavity (6), a sliding hole (9) opened inside the top plate (8), the inner wall of the sliding hole (9) fitted to the surface of the inner mold (7), a rectangular hole (10) opened inside the support plate (4), and a second [unclear] fixedly connected to the inner wall of the rectangular hole (10). A rectangular tube (11) is provided with a vertical plate (12) attached to the inner wall of the second rectangular tube (11). The upper surface of the vertical plate (12) is fixedly connected to the bottom of the top plate (8). A strip hole (13) is opened inside the vertical plate (12). A first cylinder (14) is attached to the inside of the strip hole (13). A third rectangular tube (15) is fixedly connected to both the front and rear ends of the first cylinder (14). The surface of the third rectangular tube (15) is attached to the inner wall of the first rectangular tube (3). A second cylinder (16) is fixedly connected to both the front and rear sides of the inner wall of the third rectangular tube (15). An electric push rod (17) is fixedly connected to the bottom of the support plate (4). The electric push rod (17) is located to the left of the second cylinder (16).

2. The perforated strip magnet pressing mold according to claim 1, characterized in that: The angle between the strip hole (13) and the horizontal plane is 60°, and the length of the strip hole (13) is greater than the diameter of the first cylinder (14).

3. The perforated strip magnet pressing mold according to claim 1, characterized in that: A U-shaped plate (18) is fixedly connected to the right side of the electric push rod (17). A first guide ring (19) is fixedly connected to the inner wall of the U-shaped plate (18). A first slider (20) is fitted to both the inner wall of the first guide ring (19) and the inner wall of the U-shaped plate (18). A spring (21) is fixedly connected to both the bottom of the first slider (20) and the inner wall of the U-shaped plate (18). An arc groove (22) is opened on the upper surface of the first slider (20). The inner wall of the arc groove (22) is fitted to the bottom surface of the second cylinder (16).

4. The perforated strip magnet pressing mold according to claim 3, characterized in that: The first slider (20) is located below the second cylinder (16). The center of the arc groove (22) coincides with the axis of the second cylinder (16). The depth of the arc groove (22) is less than the radius of the second cylinder (16). The radius of the arc groove (22) is equal to the radius of the second cylinder (16).

5. A perforated strip magnet pressing mold according to claim 3, characterized in that: The upward force exerted by the spring (21) on the first slider (20) is greater than the weight of the first slider (20).

6. A perforated strip magnet pressing mold according to claim 3, characterized in that: A second guide ring (23) is fixedly connected to the upper surface of the base plate (1), and a second slider (24) is fitted to the inner wall of the second guide ring (23). The upper surface of the second slider (24) is fixedly connected to the bottom of the U-shaped plate (18).

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