Automatic quantitative feeding device and method for neodymium-iron-boron magnetic materials

Abstract

The invention belongs to the technical field of feeding equipment, and particularly relates to an automatic quantitative feeding device and method for neodymium-iron-boron magnetic materials, the automatic quantitative feeding device comprises a discharging box, a jacking part is mounted at the bottom of the discharging box and used for supporting materials placed in the discharging box, an adsorption part is arranged at the top of the discharging box, and the adsorption part is used for adsorbing the materials placed in the discharging box. The adsorption part is used for adsorbing materials, and a driving part is installed on the back of the discharging box and used for driving the adsorption part. Stable contact between the conductive blocks and the electrode plates is the key to guarantee normal work of the electromagnet. And through the cooperative design of the U-shaped plate and the plug connector, the device can keep the stability when the conductive block moves, and the limiting function is achieved by automatically inserting the insertion rod into the insertion hole. By means of the design, the stability and reliability of the device are greatly improved, it is ensured that the electromagnets can be powered on and powered off according to the preset sequence and number, and therefore accurate adsorption and release of materials are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of feeding equipment, and in particular to a quantitative automatic feeding device and method for NdFeB magnetic materials. Background Art

[0002] In the production process of NdFeB magnetic materials, the feeding link is crucial. Traditional feeding methods often use manual operation, which is not only inefficient, but also difficult to ensure the accuracy and stability of feeding. In addition, due to the special physical and chemical properties of NdFeB magnetic materials, dust and impurities are easily attached to their surfaces. These impurities will have an adverse effect on the subsequent processing process and even lead to a decline in product quality. In response to the above problems, some automatic feeding devices have appeared on the market, but these devices still have some technical problems in practical applications. For example, although some devices can realize automatic feeding, it is difficult to accurately control the feeding amount, resulting in material waste and increased production costs. Although other devices can clean the surface of the material, the cleaning effect is not ideal, and there are still a lot of impurities remaining. In addition, the stability and reliability of some devices are poor, and they are prone to failure, affecting production efficiency. Summary of the invention

[0003] In order to solve the above problems, the present invention proposes a quantitative automatic feeding device and method for NdFeB magnetic materials, so as to more accurately solve the problems raised in the above background technology.

[0004] The present invention is achieved through the following technical solutions:

[0005] The present invention proposes a quantitative automatic feeding device for NdFeB magnetic materials, comprising a discharge box, a feeding portion is installed at the bottom of the discharge box, the feeding portion is used to support the material placed in the discharge box, an adsorption portion is arranged at the top of the discharge box, the adsorption portion is used to adsorb the material, a driving portion is installed at the back of the discharge box, the driving portion is used to drive the adsorption portion, the adsorption portion comprises a mounting plate installed at the driving portion, a plurality of electromagnets are arranged at the bottom of the mounting plate, the electromagnets are used to adsorb the material after power is turned on, and the size of the material adsorbed by each electromagnet after power is turned on is the same, electrode sheets equal in number to the electromagnets are arranged at the top of the mounting plate, a wire is installed between the electrode sheet and the electromagnet, a movable conductive block is arranged at the top of the mounting plate, the conductive block is used to energize the electrode sheet.

[0006] Preferably, the material lifting part includes a part installed at the bottom of the material discharge box, the top is installed with, the end is installed with, the top is used to place the material, the elastic coefficient is adapted to the weight of the material, and is used to descend to the same height as the material after one more layer of material is added.

[0007] Preferably, an air supply part is provided on one side of the discharge box, and the air supply part is used to blow gas into the discharge box when the adsorption part is pressed down, so as to clean the surface of the material. A water pumping part is provided on the other side of the discharge box, and the water pumping part is used to wet the cleaned dust when the adsorption part is pressed down, so as to settle the dust.

[0008] Preferably, the air delivery part includes a piston cylinder arranged on one side of a discharge box, a piston rod is inserted through the top of the piston cylinder, and the piston rod performs piston motion at the inner wall of the piston cylinder, an air guide cavity is provided on one side of the discharge box, an air outlet pipe is connected between the air guide cavity and the piston cylinder, a one-way valve 1 is installed at the air outlet pipe for gas to enter the air guide cavity in one direction, an air inlet pipe is installed on the surface of the piston cylinder, a one-way valve 2 is installed at the air inlet pipe for gas to enter the piston cylinder in one direction from the outside, a reset spring A is installed between the bottom of the piston rod and the inner bottom wall of the piston cylinder, and an air outlet groove is provided at the inner wall of the discharge box for discharging the air in the air guide cavity and blowing it to the material.

[0009] Preferably, the pumping part includes a water tank arranged on one side of the discharge box, an extrusion head that can move as a piston in the water tank is arranged at the bottom of the water tank, a return spring B is installed between the extrusion head and the inner wall of the water tank, a water guiding cavity is opened on one side of the discharge box, a water inlet pipe is connected between the water tank and the water guiding cavity, a one-way valve three is installed at the water inlet pipe for water to flow into the water tank in one direction, a water outlet pipe is installed on the side of the water tank, the water outlet pipe is inserted into the water guiding cavity, a one-way valve four is installed at the water outlet pipe for water to flow from the water tank into the water guiding cavity in one direction, a water collecting frame is installed at the end of the water outlet pipe, an air inlet groove is opened at the water guiding cavity, and the water collecting frame is used to form a water curtain at the air inlet groove after water flows out.

[0010] Preferably, the discharge box is provided with a filter element in the water guiding cavity, a plug is installed on one side of the filter element, and the plug penetrates and is sealed with the discharge box.

[0011] Preferably, the driving part includes a rodless cylinder 1 installed on the mounting plate for driving it to move up and down, and a rodless cylinder 2 is arranged behind the discharge box for driving the rodless cylinder 1 to move horizontally, so that the adsorption part can transport the material away.

[0012] Preferably, a U-shaped plate is installed at the conductive block, a mounting seat is installed at the mounting plate, a plug-in component is installed at the bottom of the mounting seat, and the plug-in component is used to limit the U-shaped plate after it moves to a suitable position.

[0013] Preferably, the connector includes a connecting spring installed at the bottom of the mounting seat, a connecting plate is installed at the bottom of the connecting spring, an insert rod is installed at the top of the connecting plate, a plurality of insert holes are opened at the U-shaped plate, the insert rod is inserted into the insert holes, and an extrusion plate 2 and an extrusion plate 1 are installed on the surface of the mounting plate, the extrusion plate 1 is used to apply pressure to the air delivery part, and the extrusion plate 2 is used to apply pressure to the water pumping part.

[0014] Preferably, a method of using a quantitative automatic feeding device for neodymium iron boron magnetic materials includes the following steps: placing the materials layer by layer into a discharge box so that the materials are located on the top of the top material part, and then driving the adsorption part to the top of the discharge box through a driving part; then adjusting the position of the conductive block according to the amount of material actually required for feeding, so as to achieve the effect of adjusting how many electromagnets are energized, thereby achieving the weight of the material transported at one time being adjustable; finally, transporting the material adsorbed to the electromagnet to a suitable position through a set driving part, and then moving the conductive block to cut off the power to the electromagnet.

[0015] Compared with the prior art, the present invention provides a device and method for automatically feeding NdFeB magnetic materials quantitatively, which has the following beneficial effects:

[0016] The key to ensuring the normal operation of the electromagnet is the stable contact between the conductive block and the electrode sheet in this NdFeB magnetic material quantitative automatic feeding device. Through the coordinated design of the U-shaped plate and the connector, the device can maintain its stability when the conductive block moves, and realize the limit function by automatically inserting the plug rod into the socket. This design greatly improves the stability and reliability of the device, ensuring that the electromagnet can be powered on and off in the preset order and quantity, thereby achieving accurate adsorption and release of the material.

[0017] The NdFeB magnetic material quantitative automatic feeding device, through the ingenious design of the air delivery part and the water pumping part, can first blow air to clean the material surface when the adsorption part is pressed down, and then spray water to form a water curtain to wet and settle the dust. This cleaning method ensures the cleanliness of the material, avoids the influence of impurities on the subsequent processing process, and improves the product quality.

[0018] The NdFeB magnetic material quantitative automatic feeding device can realize accurate quantitative feeding of NdFeB magnetic materials through the driving part accurately controlling the up and down movement and lateral movement of the adsorption part and the quantitative feeding design of the top feeding part. This efficient feeding method not only improves production efficiency, but also reduces material waste and reduces production costs.

[0019] The NdFeB magnetic material quantitative automatic feeding device realizes automatic cleaning and adsorption of materials through the linkage design of the air delivery part, the water pumping part and the adsorption part. At the same time, the automatic transportation of materials is realized through the precise control of the drive part. This automatic design not only reduces the difficulty and cost of manual operation, but also improves production efficiency. In addition, the setting of the filter element also ensures the cleanliness of the sprayed water, further enhancing the automation and reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of a quantitative automatic feeding device for NdFeB magnetic materials proposed by the present invention;

[0021] Figure 2 This is a schematic diagram of the structure of a quantitative automatic feeding device for NdFeB magnetic materials proposed by the present invention;

[0022] Figure 3 This is a schematic diagram of the structure of a quantitative automatic feeding device for NdFeB magnetic materials proposed by the present invention;

[0023] Figure 4 This is a schematic diagram of the structure of a quantitative automatic feeding device for NdFeB magnetic materials proposed by the present invention;

[0024] Figure 5 This is a schematic diagram of the structure of a quantitative automatic feeding device for NdFeB magnetic materials proposed by the present invention;

[0025] Figure 6 This is a schematic diagram of the structure of a quantitative automatic feeding device for NdFeB magnetic materials proposed by the present invention;

[0026] Figure 7 The present invention provides a schematic structural diagram of a quantitative automatic feeding device for NdFeB magnetic materials.

[0027] In the figure: 1. material discharge box; 11. air guide cavity; 12. air outlet groove; 13. water guide cavity; 14. air inlet groove; 2. material lifting part; 3. adsorption part; 31. mounting plate; 311. mounting seat; 32. electromagnet; 33. wire; 34. electrode sheet; 35. conductive block; 36. U-shaped plate; 361. socket; 37. extrusion plate 1; 38. extrusion plate 2; 39. connector; 391. connecting spring; 392 , connecting plate; 393, plug; 4, air delivery unit; 41, piston cylinder; 42, piston rod; 43, air outlet pipe; 44, air inlet pipe; 45, reset spring A; 5, pumping unit; 51, water tank; 52, extrusion head; 53, reset spring B; 54, water outlet pipe; 55, water inlet pipe; 56, water collecting frame; 6, filter element; 61, plug; 7, driving unit; 71, rodless cylinder one; 72, rodless cylinder two. DETAILED DESCRIPTION

[0028] In order to more clearly and completely illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0029] Example

[0030] like Figure 1-Figure 7 As shown, an embodiment of the present invention proposes a quantitative automatic feeding device for NdFeB magnetic materials, comprising a discharge box 1, a top material portion 2 is installed at the bottom of the discharge box 1, the top material portion 2 is used to support the material placed in the discharge box 1, an adsorption portion 3 is arranged on the top of the discharge box 1, the adsorption portion 3 is used to adsorb the material, a driving portion 7 is installed on the back of the discharge box 1, the driving portion 7 is used to drive the adsorption portion 3, the adsorption portion 3 comprises a mounting plate 31 installed at the driving portion 7, a plurality of electromagnets 32 are arranged at the bottom of the mounting plate 31, the electromagnet 32 ​​is used to adsorb the material after power is turned on, and the size of the material adsorbed by each electromagnet 32 ​​after power is turned on is the same, the top of the mounting plate 31 is arranged with electrode sheets 34 equal in number to the electromagnet 32, a wire 33 is installed between the electrode sheet 34 and the electromagnet 32, and a movable conductive block 35 is arranged on the top of the mounting plate 31, the conductive block 35 is used to energize the electrode sheet 34.

[0031] In the present invention, a top material part 2 is installed at the bottom of the discharge box 1, and the top material part 2 is used to support the material placed in the discharge box 1. An adsorption part 3 is arranged at the top of the discharge box 1, and the adsorption part 3 is used to adsorb materials. A driving part 7 is installed on the back of the discharge box 1, which is used to drive the adsorption part 3 to move. The adsorption part 3 is composed of a mounting plate 31 installed at the driving part 7, and a plurality of electromagnets 32 are arranged at the bottom of the mounting plate 31. These electromagnets 32 can adsorb materials after being energized, and the materials adsorbed by each electromagnet 32 ​​are of the same size. The top of the mounting plate 31 is arranged with electrode sheets 34 equal in number to the number of electromagnets 32, and the electrode sheets 34 and the electromagnets 32 are connected by wires 33. A movable conductive block 35 is also arranged at the top of the mounting plate 31, and the conductive block 35 is used to selectively energize the electrode sheets 34, thereby controlling the adsorption and release of the electromagnet 32. The driving part 7 controls the up and down movement and lateral movement of the adsorption part 3, so as to realize the quantitative automatic feeding of the NdFeB magnetic material.

[0032] Among them, the material lifting part 2 includes 21 installed at the bottom of the material discharge box 1, 21 is installed with 22 on the top, 22 is installed with 23 on the end, and the top of 23 is used for placing the material. The elastic coefficient of 22 is adapted to the weight of the material, and is used to drop 23 to the same height as the material after one more layer of material is added.

[0033] In the present invention, the material ejecting part 2 is composed of 21 installed at the bottom of the material discharge box 1, a spring support structure 22 is installed on the top of 21, a material ejecting plate 23 is installed at the end of the spring support structure 22, and the top of the material ejecting plate 23 is used to place the material. The elastic coefficient of the spring support structure 22 is adapted to the weight of the material. When there is one more layer of material, the material ejecting plate 23 will drop to the same height as the newly added material. The material ejecting part 2 can ensure that only one layer of material is delivered each time, so as to realize quantitative feeding.

[0034] Among them, an air supply part 4 is provided on one side of the discharge box 1, and the air supply part 4 is used to blow gas into the discharge box 1 when the adsorption part 3 is pressed down, so as to clean the surface of the material. A water pumping part 5 is provided on the other side of the discharge box 1, and the water pumping part 5 is used to wet the cleaned dust when the adsorption part 3 is pressed down, so as to settle the dust.

[0035] In the present invention, an air delivery part 4 is provided on one side of the material discharge box 1 for blowing air to clean the material surface when the adsorption part 3 is pressed down. A water pumping part 5 is provided on the other side for wetting and settling the dust after cleaning. The air delivery part 4 and the water pumping part 5 work together to ensure the cleanliness of the material surface and improve the accuracy of feeding.

[0036] Among them, the air delivery part 4 includes a piston cylinder 41 arranged on one side of the discharge box 1, a piston rod 42 is inserted through the top of the piston cylinder 41, and the piston rod 42 performs piston motion at the inner wall of the piston cylinder 41, an air guide chamber 11 is opened on one side of the discharge box 1, and an air outlet pipe 43 is connected between the air guide chamber 11 and the piston cylinder 41, and a one-way valve 1 is installed at the air outlet pipe 43 for gas to enter the air guide chamber 11 in one direction, an air inlet pipe 44 is installed on the surface of the piston cylinder 41, and a one-way valve 2 is installed at the air inlet pipe 44 for gas to enter the piston cylinder 41 from the outside in one direction, a reset spring A45 is installed between the bottom of the piston rod 42 and the inner bottom wall of the piston cylinder 41, and an air outlet groove 12 is opened on the inner wall of the discharge box 1 for discharging the air in the air guide chamber 11 and blowing it to the material.

[0037] In the present invention, the air delivery part 4 is composed of a piston cylinder 41 arranged on one side of the discharge box 1, and a piston rod 42 is inserted into the top of the piston cylinder 41, and the piston rod 42 performs piston motion in the piston cylinder 41. An air guide cavity 11 is provided on one side of the discharge box 1, and is connected to the piston cylinder 41 through an air outlet pipe 43, and a one-way valve 1 is installed at the air outlet pipe 43. An air inlet pipe 44 is installed on the surface of the piston cylinder 41, and a one-way valve 2 is installed at the air inlet pipe 44. A return spring A45 is installed between the bottom of the piston rod 42 and the inner bottom wall of the piston cylinder 41. An air outlet groove 12 is provided on the inner wall of the discharge box 1, which is used to discharge the air in the air guide cavity 11 and blow it to the material. When the adsorption part 3 is pressed down, the piston rod 42 rises, sucks gas through the air inlet pipe 44, and blows the gas to the surface of the material through the air outlet pipe 43 and the air guide cavity 11 for cleaning.

[0038] Among them, the pumping part 5 includes a water tank 51 arranged on one side of the discharge box 1, an extrusion head 52 that can move as a piston in the water tank 51 is arranged at the bottom of the water tank 51, and a return spring B53 is installed between the extrusion head 52 and the inner wall of the water tank 51, a water guide chamber 13 is opened on one side of the discharge box 1, and a water inlet pipe 55 is connected between the water tank 51 and the water guide chamber 13, and a one-way valve three is installed at the water inlet pipe 55 for water to flow into the water tank 51 in one direction, a water outlet pipe 54 is installed on the side of the water tank 51, the water outlet pipe 54 is inserted into the water guide chamber 13, and a one-way valve four is installed at the water outlet pipe 54 for water to flow from the water tank 51 into the water guide chamber 13 in one direction, and a water collecting frame 56 is installed at the end of the water outlet pipe 54, and an air inlet groove 14 is opened at the water guide chamber 13, and the water collecting frame 56 is used to form a water curtain at the air inlet groove 14 after water flows out.

[0039] In the present invention, the pumping unit 5 is composed of a water tank 51 arranged on one side of the discharge box 1, and an extrusion head 52 that can move like a piston in the water tank 51 is arranged at the bottom of the water tank 51, and a return spring B53 is installed between the extrusion head 52 and the inner wall of the water tank 51. A water guide cavity 13 is opened on one side of the discharge box 1, and the water tank 51 and the water guide cavity 13 are connected through a water inlet pipe 55, and a check valve 3 is installed at the water inlet pipe 55. A water outlet pipe 54 is installed on the side of the water tank 51, and the water outlet pipe 54 is inserted into the water guide cavity 13, and a check valve 4 is installed at the water outlet pipe 54. A water collecting frame 56 is installed at the end of the water outlet pipe 54, and an air inlet groove 14 is opened at the water guide cavity 13. The water collecting frame 56 is used to form a water curtain at the air inlet groove 14 after the water flows out. When the adsorption part 3 is pressed down, the extrusion head 52 rises, sucks water through the water inlet pipe 55, and sprays water through the water outlet pipe 54 and the water collecting frame 56 to form a water curtain, so as to wet and settle the cleaned dust.

[0040] The discharge box 1 is located in the water guide cavity 13 and is provided with a filter element 6 , a plug 61 is installed on one side of the filter element 6 , and the plug 61 penetrates the discharge box 1 and is sealed.

[0041] In the present invention, the discharge box 1 is provided with a filter element 6 in the water guide cavity 13 for filtering impurities in the water. A plug 61 is installed on one side of the filter element 6, and the plug 61 penetrates and is sealed with the discharge box 1, so that the filter element 6 can be replaced easily. The filter element 6 ensures the cleanliness of the sprayed water and prevents impurities from contaminating the material.

[0042] Among them, the driving part 7 includes a rodless cylinder 1 71 installed on the mounting plate 31 for driving it to move up and down, and a rodless cylinder 2 72 is arranged behind the discharge box 1 for driving the rodless cylinder 1 71 to move horizontally, which is used for the adsorption part 3 to transport the material.

[0043] In the present invention, the driving part 7 is composed of a rodless cylinder 1 71 installed at the mounting plate 31, which is used to drive the adsorption part 3 to move up and down. A rodless cylinder 2 72 is arranged behind the material discharge box 1, which is used to drive the rodless cylinder 1 71 and the adsorption part 3 to move horizontally to realize the transportation of materials. Through the coordinated use of the rodless cylinder 1 71 and the rodless cylinder 2 72, the adsorption part 3 is accurately controlled, ensuring the quantitative automatic feeding of the material.

[0044] Among them, a U-shaped plate 36 is installed at the conductive block 35, a mounting seat 311 is installed at the mounting plate 31, a plug-in 39 is installed at the bottom of the mounting seat 311, and the plug-in 39 is used to limit the U-shaped plate 36 after it moves to a suitable position. A U-shaped plate 36 is installed at the conductive block 35, a mounting seat 311 is installed at the mounting plate 31, and a plug-in 39 is installed at the bottom of the mounting seat 311. The plug-in 39 is used to limit the U-shaped plate 36 after it moves to a suitable position. The connector 39 includes a connecting spring 391 installed at the bottom of the mounting seat 311, a connecting plate 392 is installed at the bottom of the connecting spring 391, an insert rod 393 is installed on the top of the connecting plate 392, a plurality of insert holes 361 are opened at the U-shaped plate 36, the insert rod 393 is inserted into the insert hole 361, and an extrusion plate 2 38 and an extrusion plate 1 37 are installed on the surface of the mounting plate 31. The extrusion plate 1 37 is used to apply pressure to the air supply part 4, and the extrusion plate 2 38 is used to apply pressure to the water pumping part 5.

[0045] In the present invention, a U-shaped plate 36 is installed at the conductive block 35 of the adsorption part 3. The design of this U-shaped plate 36 enables it to contact the electrode sheet 34 more stably when moving. At the same time, a mounting seat 311 is installed on the mounting plate 31, and a plug-in connector 39 is provided at the bottom thereof. The main function of this plug-in connector 39 is to insert the plug rod 393 inside the U-shaped plate 36 into the plug hole 361 of the U-shaped plate 36 after the U-shaped plate 36 moves to a suitable position, thereby limiting it and ensuring stable and reliable electrical contact between the conductive block 35 and the electrode sheet 34. The cooperation between the plug-in connector 39 and the U-shaped plate 36 greatly enhances the stability and accuracy of the conductive block 35 during movement, ensuring that the electromagnet 32 ​​can be powered on and off according to the preset order and quantity, thereby realizing accurate adsorption and release of the material. The specific structure of the plug-in connector 39 includes a connecting spring 391 installed at the bottom of the mounting seat 311, the bottom of the connecting spring 391 is connected to the connecting disk 392, and the top of the connecting disk 392 is equipped with a plug rod 393. When the U-shaped plate 36 moves to a suitable position, the plug rod 393 will automatically insert into the plug hole 361 of the U-shaped plate 36 under the action of the connecting spring 391 to realize the limiting function. In addition, the surface of the mounting plate 31 is also installed with a squeeze plate 2 38 and a squeeze plate 1 37. The squeeze plate 1 37 is used to apply pressure to the air supply part 4 when the adsorption part 3 is pressed down, thereby triggering the blowing of gas; and the squeeze plate 2 38 is used to apply pressure to the pumping part 5 to trigger the spraying of water. Such a design enables the triggering of the air supply part 4 and the pumping part 5 to be linked with the movement of the adsorption part 3, thereby improving the working efficiency and automation of the entire device. As a result, through the limiting function of the connector 39 and the linkage design of the squeeze plate 1 37 and the squeeze plate 2 38, the cooperation between the various components of the entire device is more closely coordinated in the process of realizing material adsorption, cleaning and transportation, thereby greatly improving the reliability and stability of the device.

[0046] A method for using a quantitative automatic feeding device for NdFeB magnetic materials is characterized in that it includes the following steps: placing materials layer by layer into a discharge box 1 so that the materials are located on the top of a top material portion 2, and then driving an adsorption portion 3 to the top of the discharge box 1 through a driving portion 7; then adjusting the position of a conductive block 35 according to the amount of material actually required for feeding, thereby achieving the effect of adjusting how many electromagnets 32 are energized, thereby achieving an adjustable weight of the material transported at one time; finally, transporting the material adsorbed to the electromagnet 32 ​​to a suitable position through the provided driving portion 7, and then moving the conductive block 35 to disconnect the power to the electromagnet 32.

[0047] Through this use, the device can realize quantitative automatic feeding of NdFeB magnetic materials, which not only improves production efficiency, but also reduces the difficulty and cost of manual operation. At the same time, due to the adjustability of the feeding amount, the device can also meet the feeding requirements under different production needs, and has high practicality and flexibility.

[0048] Finally, it should be noted that the basic concepts have been described above. Obviously, for those skilled in the art, the above detailed disclosure is only an example and does not constitute a limitation of this specification. Although it is not explicitly stated here, those skilled in the art may make various modifications, improvements and corrections to this specification. Such modifications, improvements and corrections are suggested in this specification, so such modifications, improvements and corrections still belong to the spirit and scope of the exemplary embodiments of this specification. At the same time, this specification uses specific words to describe the embodiments of this specification. For example, "one embodiment", "one embodiment", and / or "some embodiments" refer to a certain feature, structure or characteristic related to at least one embodiment of this specification. Therefore, it should be emphasized and noted that "one embodiment" or "one embodiment" or "an alternative embodiment" mentioned twice or more in different positions in this specification does not necessarily refer to the same embodiment. In addition, certain features, structures or characteristics in one or more embodiments of this specification can be appropriately combined. In addition, unless explicitly stated in the claims, the order of processing elements and sequences described in this specification, the use of alphanumeric characters, or the use of other names are not used to limit the order of the processes and methods of this specification.

[0049] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A quantitative automatic feeding device for NdFeB magnetic materials, comprising a discharge box (1), characterized in that: The bottom of the material discharging box (1) is provided with a material-lifting part (2), and the material-lifting part (2) is used to support the material placed in the material discharging box (1). The top of the material discharging box (1) is provided with an adsorption part (3), and the adsorption part (3) is used to adsorb the material. The back of the material discharging box (1) is provided with a driving part (7), and the driving part (7) is used to drive the adsorption part (3). The adsorption part (3) includes a mounting plate (31) mounted on the driving part (7), and the bottom of the mounting plate (31) is arranged There are a plurality of electromagnets (32), the electromagnets (32) being used to adsorb materials after being energized, and the size of the materials that can be adsorbed by each electromagnet (32) after being energized is the same; the top of the mounting plate (31) is provided with electrode sheets (34) equal in number to the number of the electromagnets (32); wires (33) are installed between the electrode sheets (34) and the electromagnets (32); a movable conductive block (35) is provided on the top of the mounting plate (31); the conductive block (35) is used to energize the electrode sheets (34).

2. The automatic quantitative feeding device for NdFeB magnetic materials according to claim 1, characterized in that: The material lifting part (2) includes (21) installed at the bottom of the material discharge box (1), the top of the (21) is installed with (22), the end of the (22) is installed with (23), the top of the (23) is used to place the material, the elastic coefficient of the (22) is adapted to the weight of the material, and is used to lower (23) to the same height as the material after one more layer of material is added.

3. The automatic quantitative feeding device for NdFeB magnetic materials according to claim 1, characterized in that: An air supply part (4) is provided on one side of the discharge box (1), and the air supply part (4) is used to blow gas into the discharge box (1) when the adsorption part (3) is pressed down, so as to clean the surface of the material. A water pumping part (5) is provided on the other side of the discharge box (1), and the water pumping part (5) is used to wet the cleaned dust when the adsorption part (3) is pressed down, so as to settle the dust.

4. The automatic quantitative feeding device for NdFeB magnetic materials according to claim 3, characterized in that: The air delivery part (4) comprises a piston cylinder (41) arranged on one side of the discharge box (1), a piston rod (42) is inserted through the top of the piston cylinder (41), and the piston rod (42) performs piston motion at the inner wall of the piston cylinder (41), and an air guide cavity (11) is opened on one side of the discharge box (1), and an air outlet pipe (43) is connected between the air guide cavity (11) and the piston cylinder (41), and a one-way valve (1) is installed at the air outlet pipe (43) for one-way gas flow. Entering into the air guide cavity (11), an air inlet pipe (44) is installed on the surface of the piston cylinder (41), and a one-way valve 2 is installed on the air inlet pipe (44) for one-way gas entering the piston cylinder (41) from the outside. A return spring A (45) is installed between the bottom of the piston rod (42) and the inner bottom wall of the piston cylinder (41), and an air outlet groove (12) is opened on the inner wall of the discharge box (1) for discharging the air in the air guide cavity (11) and blowing it to the material.

5. The automatic quantitative feeding device for NdFeB magnetic materials according to claim 3, characterized in that: The pumping unit (5) comprises a water tank (51) arranged on one side of the discharge box (1); an extrusion head (52) capable of piston movement in the water tank (51) is arranged at the bottom of the water tank (51); a return spring B (53) is installed between the extrusion head (52) and the inner wall of the water tank (51); a water guide cavity (13) is opened on one side of the discharge box (1); a water inlet pipe (55) is connected between the water tank (51) and the water guide cavity (13); a one-way valve (3) is installed at the water inlet pipe (55) for water to flow in and out of the water tank (51); The water flows into the water tank (51) in one direction. A water outlet pipe (54) is installed on the side of the water tank (51). The water outlet pipe (54) is inserted into the water guide cavity (13). A one-way valve (4) is installed at the water outlet pipe (54) for water to flow from the water tank (51) into the water guide cavity (13) in one direction. A water collecting frame (56) is installed at the end of the water outlet pipe (54). An air inlet groove (14) is opened at the water guide cavity (13). The water collecting frame (56) is used to form a water curtain at the air inlet groove (14) after the water flows out.

6. The NdFeB magnetic material quantitative automatic feeding device according to claim 1, characterized in that: The discharge box (1) is provided with a filter element (6) in the water guide cavity (13), a plug (61) is installed on one side of the filter element (6), and the plug (61) penetrates and is sealed with the discharge box (1).

7. A quantitative automatic feeding device for NdFeB magnetic materials according to claim 6, characterized in that: The driving part (7) comprises a rodless cylinder 1 (71) mounted on the mounting plate (31) for driving the rodless cylinder 1 (71) to move up and down, and a rodless cylinder 2 (72) is arranged behind the discharge box (1) for driving the rodless cylinder 1 (71) to move horizontally, so as to enable the adsorption part (3) to transport the material away.

8. The automatic quantitative feeding device for NdFeB magnetic materials according to claim 1, characterized in that: A U-shaped plate (36) is installed at the conductive block (35), a mounting seat (311) is installed at the mounting plate (31), a plug-in component (39) is installed at the bottom of the mounting seat (311), and the plug-in component (39) is used to limit the U-shaped plate (36) after it moves to a suitable position.

9. The automatic quantitative feeding device for NdFeB magnetic materials according to claim 8, characterized in that: The plug-in connector (39) comprises a connecting spring (391) mounted at the bottom of the mounting seat (311); a connecting plate (392) is mounted at the bottom of the connecting spring (391); a plug rod (393) is mounted at the top of the connecting plate (392); a plurality of plug holes (361) are provided at the U-shaped plate (36); the plug rod (393) is inserted into the plug holes (361); a second extrusion plate (38) and a first extrusion plate (37) are mounted on the surface of the mounting plate (31); the first extrusion plate (37) is used to apply pressure to the air supply part (4); and the second extrusion plate (38) is used to apply pressure to the water pumping part (5).

10. The method of using the NdFeB magnetic material quantitative automatic feeding device according to claim 1, characterized in that: The following steps are involved: The materials are placed layer by layer into the discharge box (1) so that the materials are located at the top of the top material part (2), and then the adsorption part (3) is driven to the top of the discharge box (1) by the driving part (7); Then, the position of the conductive block (35) is adjusted according to the amount of material actually required for feeding, thereby achieving the function of adjusting the number of electromagnets (32) that are energized, thereby achieving the weight of the material transported at one time being adjustable; Finally, the material adsorbed on the electromagnet (32) is transported to a suitable position through the provided driving unit (7), and then the conductive block (35) is moved to cut off the power supply to the electromagnet (32).

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