Neodymium-iron-boron magnet stamping equipment

Abstract

The utility model relates to the technical field of neodymium-iron-boron magnets, in particular to neodymium-iron-boron magnet stamping equipment. The technical problems that when a neodymium-iron-boron magnet is stamped, due to the lack of a buffering and damping structure, the neodymium-iron-boron magnet is prone to being damaged due to the fact that the stamping force is too large, and after the neodymium-iron-boron magnet is stamped and formed, the neodymium-iron-boron magnet is embedded into a mold, the neodymium-iron-boron magnet is inconvenient to take out, and the production efficiency is affected are solved. According to the technical scheme, the neodymium-iron-boron magnet stamping equipment comprises a fixing assembly, a lower die assembly, a buffering assembly, an ejection assembly, a stamping assembly, an upper die assembly and a limiting telescopic rod; compared with traditional neodymium-iron-boron magnet stamping equipment, the neodymium-iron-boron magnet stamping equipment has the advantages that the buffering structure is arranged on the stamping die, overlarge press is counteracted through the interaction of elastic force, the neodymium-iron-boron magnet is prevented from being damaged, after stamping is completed, the neodymium-iron-boron magnet is jacked up from the interior of the die by pushing the bottom of the neodymium-iron-boron magnet, and the stamping efficiency is improved. And the neodymium-iron-boron magnet is convenient to take.

Description

Technical Field

[0001] The utility model relates to the technical field of NdFeB magnets, in particular to a NdFeB magnet stamping device. Background Art

[0002] NdFeB magnet is a material with strong magnetic properties, commonly used in the manufacture of various electronic products and industrial machinery. NdFeB magnet is an alloy composed of rare earth elements neodymium, iron and boron. NdFeB magnet has a high magnetic energy product, which means that it can store more magnetic energy in a small volume. Its magnetic strength far exceeds that of other available magnetic materials, making it the preferred material for manufacturing high-performance motors, generators and sensors. In addition to its excellent magnetic properties, NdFeB magnet can still maintain good magnetic properties in high temperature and humid environments, which makes It is widely used in the automotive industry, computer hard disk drives and high-performance motors. In the production process of NdFeB magnets, the NdFeB magnets need to be stamped into shape first, and then the production and processing of the NdFeB magnets are completed through cutting and grinding. The existing NdFeB magnet stamping equipment lacks a buffer and shock-absorbing structure when stamping the NdFeB magnets, which can easily cause excessive stamping force and damage the NdFeB magnets. After the NdFeB magnets are stamped into shape, the NdFeB magnets are embedded in the mold, which makes it inconvenient to take out the NdFeB magnets, affecting production efficiency. Utility Model Content

[0003] In order to overcome the problem that the existing NdFeB magnet stamping equipment lacks a buffer and shock-absorbing structure when stamping the NdFeB magnet, which easily causes the NdFeB magnet to be damaged by excessive stamping force, and after the NdFeB magnet is stamped into shape, the NdFeB magnet is embedded in the mold, which makes it inconvenient to take out the NdFeB magnet, affecting production efficiency.

[0004] The technical solution of the utility model is: a neodymium iron boron magnet stamping equipment, including a fixed component, a lower mold component, a buffer component, an ejection component, a stamping component, an upper mold component and a limiting telescopic rod; the top surface of the fixed component is provided with a lower mold component, the top surface of the lower mold component is provided with a buffer component, the inner top surface of the lower mold component is provided with an ejection component, the side surface of the fixed component is provided with a stamping component, the bottom surface of the stamping component is provided with an upper mold component, the bottom surface of the stamping component is provided with a limiting telescopic rod, and the other end of the limiting telescopic rod is provided on the top surface of the fixed component.

[0005] Preferably, the fixing assembly can install and fix the entire device to prevent the device from sliding during operation, the lower mold assembly can place the NdFeB magnets that need to be stamped, the buffer assembly can provide a buffering effect during stamping to prevent the NdFeB magnets from being damaged due to excessive stamping, the ejection assembly can eject the NdFeB magnets out of the mold after they are stamped and formed, so as to facilitate taking them out, the stamping assembly can provide pressure for the upper mold assembly, the upper mold assembly can stamp and form the NdFeB magnets placed in the lower mold assembly, and the limiting telescopic rod can prevent the upper mold assembly from shaking and affecting the stamping quality of the NdFeB magnets.

[0006] Preferably, the fixing assembly includes a supporting base plate, a fixing base block and fixing holes; a fixing base block is arranged on the side of the supporting base plate, four groups of the fixing base blocks are arranged, and fixing holes are opened on the top surface of the fixing base block. The supporting base plate is utilized to provide support for the device, and the fixing holes on the fixing base block are utilized to install and fix the entire device to prevent the device from sliding.

[0007] Preferably, the lower mold assembly includes a lower mold base, a lower stamping mold and a stamping groove; the top surface of the supporting base plate is provided with a lower mold base, the interior of the lower mold base is provided with a lower stamping mold, and the top surface of the lower stamping mold is provided with a stamping groove. The lower mold base is utilized to provide limiting and protective functions for the device, and the NdFeB magnet is stamped into shape in the stamping groove by the lower stamping mold.

[0008] Preferably, the buffer assembly includes a guide column, a buffer spring and a buffer pressure plate; the top surface of the lower stamping die is provided with a guide column, four groups of guide columns are provided, the outer side of the guide column is provided with a buffer spring, and the top surface of the guide column is provided with a buffer pressure plate. During the stamping process, the buffer pressure plate is pushed by the top seat of the upper die to compress the buffer spring, and the elastic force of the buffer spring is used to dampen the stamping and reduce the vibration during stamping.

[0009] Preferably, the ejection assembly includes a return spring and a stamping bottom plate; the inner top surface of the lower stamping die is provided with a return spring, five groups of return springs are provided, and the top surface of the return spring is provided with a stamping bottom plate. After the stamping is completed, the elastic force of the return spring is used to push the stamping bottom plate upward, thereby ejecting the formed NdFeB magnet from the stamping groove for easy removal.

[0010] Preferably, the stamping assembly includes a stamping bracket, a stamping cylinder and a stamping top plate; a stamping bracket is arranged on the side of the supporting bottom plate, a stamping cylinder is arranged on the top surface of the stamping bracket, and a stamping top plate is arranged on the output end of the stamping cylinder. The stamping bracket provides support, and the stamping top plate is pushed downward by driving the stamping cylinder to provide power for the stamping of the NdFeB magnet.

[0011] Preferably, the upper mold assembly includes an upper mold top seat, a guide hole and a stamping block; the bottom surface of the stamping top plate is provided with an upper mold top seat, the bottom surface of the upper mold top seat is provided with a guide hole, and four groups of guide holes are provided. The bottom surface of the upper mold top seat is provided with a stamping block, and the upper mold top seat is pushed downward by the downward movement of the stamping top plate, and the guide column is received through the guide hole, so that the stamping block can stamp and form the neodymium iron boron magnet in the stamping groove.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the traditional NdFeB magnet stamping equipment, when stamping NdFeB magnets, due to the lack of buffer and shock-absorbing structure, it is easy to cause excessive stamping force to damage the NdFeB magnets. After the NdFeB magnets are stamped, the NdFeB magnets are embedded in the mold, which is not convenient to take out the NdFeB magnets, affecting production efficiency. By setting a buffer structure on the stamping die, the interaction of elastic force can be used to offset the excessive pressure to prevent the NdFeB magnets from being damaged due to excessive stamping. After the stamping is completed, the bottom of the NdFeB magnet is pushed to lift the NdFeB magnet out of the mold, which is convenient for taking the NdFeB magnets out;

[0014] 2. During the stamping process, the stamping top plate pushes the upper die seat downward, and the upper die seat pushes the buffer plate to compress the buffer spring. The elastic force of the buffer spring is used to dampen the stamping and reduce the vibration during stamping. After the stamping is completed, the elastic force of the return spring is used to push the stamping bottom plate upward, so that the formed NdFeB magnet is ejected from the stamping slot for easy removal;

[0015] 3. Use the fixing holes on the fixed bottom block to install and fix the entire device to prevent the device from sliding. Drive the stamping cylinder to push the stamping top plate downward to provide power for the stamping of the NdFeB magnet. Receiving the guide column through the guide hole makes it easier for the stamping block to stamp the NdFeB magnet in the stamping slot. The limiting telescopic rod facilitates the alignment of the stamping die to prevent the device from shaking and affecting the stamping quality of the NdFeB magnet. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a three-dimensional structural schematic diagram of a NdFeB magnet stamping equipment of the utility model;

[0017] Figure 2 What is shown is a three-dimensional structural schematic diagram of a fixing assembly of a NdFeB magnet stamping equipment of the utility model;

[0018] Figure 3 What is shown is a schematic diagram of the three-dimensional structure of a buffer component of a NdFeB magnet stamping equipment of the utility model;

[0019] Figure 4What is shown is a three-dimensional structural schematic diagram of a mold assembly on a NdFeB magnet stamping device of the utility model;

[0020] Explanation of the accompanying drawings: 1. fixing assembly; 2. lower mold assembly; 3. buffer assembly; 4. ejection assembly; 5. stamping assembly; 6. upper mold assembly; 7. limiting telescopic rod; 101. supporting base plate; 102. fixing bottom block; 103. fixing hole; 201. lower mold base; 202. lower stamping mold; 203. stamping groove; 301. guide column; 302. buffer spring; 303. buffer pressure plate; 401. reset spring; 402. stamping base plate; 501. stamping bracket; 502. stamping cylinder; 503. stamping top plate; 601. upper mold top seat; 602. guide hole; 603. stamping block. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1 The utility model provides an embodiment: a NdFeB magnet stamping equipment, comprising a fixed component 1, a lower mold component 2, a buffer component 3, an ejector component 4, a stamping component 5, an upper mold component 6 and a limiting telescopic rod 7; the top surface of the fixed component 1 is provided with the lower mold component 2, the top surface of the lower mold component 2 is provided with the buffer component 3, the inner top surface of the lower mold component 2 is provided with the ejector component 4, the side surface of the fixed component 1 is provided with the stamping component 5, the bottom surface of the stamping component 5 is provided with the upper mold component 6, the bottom surface of the stamping component 5 is provided with a limiting telescopic rod 7, the other end of the limiting telescopic rod 7 is provided on the top surface of the fixed component 1, the fixed component 1 The entire device can be installed and fixed to prevent the device from sliding during operation. The lower mold assembly 2 can place the NdFeB magnets that need to be stamped. The buffer assembly 3 can provide a buffering effect during stamping to prevent the NdFeB magnets from being damaged due to excessive stamping. The ejector assembly 4 can eject the NdFeB magnets out of the mold after they are stamped to facilitate taking them out. The stamping assembly 5 can provide pressure for the upper mold assembly 6. The upper mold assembly 6 can stamp the NdFeB magnets placed in the lower mold assembly 2. The limiting telescopic rod 7 can prevent the upper mold assembly 6 from shaking and affecting the stamping quality of the NdFeB magnets.

[0023] See also Figure 2-3In this embodiment, the fixing assembly 1 includes a supporting bottom plate 101, a fixing bottom block 102 and a fixing hole 103; the side of the supporting bottom plate 101 is provided with a fixing bottom block 102, and the fixing bottom block 102 is provided with four groups. The top surface of the fixing bottom block 102 is provided with a fixing hole 103, and the supporting bottom plate 101 is used to provide support for the device, and the fixing holes 103 on the fixing bottom block 102 are used to install and fix the entire device to prevent the device from sliding. The lower mold assembly 2 includes a lower mold base 201, a lower stamping mold 202 and a stamping groove 203; the top surface of the supporting bottom plate 101 is provided with a lower mold base 201, and the lower mold base 201 is provided with a lower stamping mold 202. A stamping groove 203 is provided on the top surface, and the lower mold base 201 is used to provide a limit and protection function for the device. The NdFeB magnet is stamped into shape in the stamping groove 203 by the lower stamping mold 202. The buffer component 3 includes a guide column 301, a buffer spring 302 and a buffer pressure plate 303; the top surface of the lower stamping mold 202 is provided with a guide column 301, and the guide column 301 is provided with four groups. The outer side of the guide column 301 is provided with a buffer spring 302, and the top surface of the guide column 301 is provided with a buffer pressure plate 303. During the stamping process, the upper mold top seat 601 is used to push the buffer pressure plate 303 to compress the buffer spring 302, and the elastic force of the buffer spring 302 is used to dampen the stamping and reduce the vibration during stamping.

[0024] See also Figure 4In this embodiment, the ejection assembly 4 includes a return spring 401 and a stamping bottom plate 402; the inner top surface of the lower stamping die 202 is provided with a return spring 401, and five groups of return springs 401 are provided. The top surface of the return spring 401 is provided with a stamping bottom plate 402. After the stamping is completed, the elastic force of the return spring 401 is used to push the stamping bottom plate 402 to move upward, so that the formed NdFeB magnet is ejected from the stamping groove 203 for easy removal. The stamping assembly 5 includes a stamping bracket 501, a stamping cylinder 502 and a stamping top plate 503; the side of the supporting bottom plate 101 is provided with a stamping bracket 501, the top surface of the stamping bracket 501 is provided with a stamping cylinder 502, and the output end of the stamping cylinder 502 is provided with a stamping top plate 503, the stamping support 501 is used to provide support, and the stamping top plate 503 is pushed downward by driving the stamping cylinder 502 to provide power for the stamping of the NdFeB magnet. The upper mold assembly 6 includes an upper mold top seat 601, a guide hole 602 and a stamping block 603; the bottom surface of the stamping top plate 503 is provided with an upper mold top seat 601, and the bottom surface of the upper mold top seat 601 is provided with a guide hole 602, and the guide hole 602 is provided with four groups. The bottom surface of the upper mold top seat 601 is provided with a stamping block 603, and the upper mold top seat 601 is pushed downward by the downward movement of the stamping top plate 503, and the guide column 301 is received through the guide hole 602, so that the stamping block 603 can stamp and form the NdFeB magnet in the stamping slot 203.

[0025] When working, the entire device is installed and fixed using the fixing holes 103 on the fixed bottom block 102 to prevent the device from sliding;

[0026] The lower mold base 201 is used to provide a limit and protection function for the device, and the NdFeB magnet to be stamped is placed into the stamping groove 203;

[0027] The punching support 501 is used to provide support, and the punching cylinder 502 is driven to push the punching top plate 503 downward to provide power for punching the NdFeB magnet.

[0028] The upper die top seat 601 is pushed downward by the downward movement of the stamping top plate 503, and the guide column 301 is received through the guide hole 602, so that the stamping block 603 can stamp and form the NdFeB magnet in the stamping slot 203;

[0029] During the stamping process, the upper die top seat 601 is used to push the buffer pressing plate 303 to compress the buffer spring 302, and the elastic force of the buffer spring 302 is used to dampen the stamping and reduce the vibration during stamping;

[0030] After the stamping is completed, the elastic force of the return spring 401 is used to push the stamping bottom plate 402 upward, so that the formed NdFeB magnet is ejected from the stamping groove 203 for easy removal.

[0031] Through the above steps, the fixing component 1 is used to install and fix the entire device to prevent the device from sliding during operation, the NdFeB magnets that need to be stamped are placed through the lower mold component 2, the stamping component 5 is used to provide pressure for the upper mold component 6, and the NdFeB magnets placed in the lower mold component 2 are stamped and formed through the upper mold component 6, and the buffer component 3 is used to provide a buffering effect during stamping to prevent the NdFeB magnets from being damaged due to excessive stamping, and the ejection component 4 is used to eject the NdFeB magnets out of the mold after they are stamped and formed, so as to facilitate taking them out.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A NdFeB magnet stamping device, comprising a fixing assembly (1); characterized in that: The invention also comprises a lower mould assembly (2), a buffer assembly (3), an ejection assembly (4), a punching assembly (5), an upper mould assembly (6) and a position-limiting telescopic rod (7); the lower mould assembly (2) is arranged on the top surface of the fixed assembly (1), the buffer assembly (3) is arranged on the top surface of the lower mould assembly (2), the ejection assembly (4) is arranged on the inner top surface of the lower mould assembly (2), the punching assembly (5) is arranged on the side surface of the fixed assembly (1), the upper mould assembly (6) is arranged on the bottom surface of the punching assembly (5), the position-limiting telescopic rod (7) is arranged on the bottom surface of the punching assembly (5), and the other end of the position-limiting telescopic rod (7) is arranged on the top surface of the fixed assembly (1).

2. The NdFeB magnet stamping equipment according to claim 1, characterized in that: The fixing assembly (1) comprises a supporting bottom plate (101), a fixing bottom block (102) and a fixing hole (103); the fixing bottom block (102) is arranged on the side of the supporting bottom plate (101), four groups of the fixing bottom blocks (102) are arranged, and the fixing hole (103) is opened on the top surface of the fixing bottom block (102).

3. The NdFeB magnet stamping equipment according to claim 2, characterized in that: The lower die assembly (2) comprises a lower die base (201), a lower punching die (202) and a punching groove (203); the lower die base (201) is arranged on the top surface of the supporting base plate (101), the lower punching die (202) is arranged inside the lower die base (201), and the punching groove (203) is opened on the top surface of the lower punching die (202).

4. The NdFeB magnet stamping equipment according to claim 3, characterized in that: The buffer assembly (3) comprises a guide column (301), a buffer spring (302) and a buffer pressure plate (303); the top surface of the lower punching die (202) is provided with a guide column (301), four groups of guide columns (301) are provided, the outer side of the guide column (301) is provided with a buffer spring (302), and the top surface of the guide column (301) is provided with a buffer pressure plate (303).

5. The NdFeB magnet stamping equipment according to claim 4, characterized in that: The ejection assembly (4) comprises a return spring (401) and a stamping bottom plate (402); the inner top surface of the lower stamping die (202) is provided with a return spring (401), five groups of return springs (401) are provided, and the top surface of the return spring (401) is provided with a stamping bottom plate (402).

6. The NdFeB magnet stamping equipment according to claim 2, characterized in that: The stamping assembly (5) comprises a stamping support (501), a stamping cylinder (502) and a stamping top plate (503); the stamping support (501) is arranged on the side of the supporting bottom plate (101), the stamping cylinder (502) is arranged on the top surface of the stamping support (501), and the stamping top plate (503) is arranged at the output end of the stamping cylinder (502).

7. The NdFeB magnet stamping equipment according to claim 6, characterized in that: The upper mold assembly (6) comprises an upper mold top seat (601), a guide hole (602) and a punching block (603); the bottom surface of the punching top plate (503) is provided with the upper mold top seat (601), the bottom surface of the upper mold top seat (601) is provided with a guide hole (602), four groups of guide holes (602) are provided, and the bottom surface of the upper mold top seat (601) is provided with a punching block (603).

Images