Automatic grinding equipment for neodymium-iron-boron magnet production

Abstract

The invention relates to the technical field of polishing, and discloses automatic polishing equipment for neodymium iron boron magnet production, the automatic polishing equipment comprises an equipment main body, the equipment main body comprises a polishing table top, a rack and a polishing cutter, the rack comprises stand columns and a top plate, and the top plate is mounted at the top end of the polishing table top through the stand columns. Through the synergistic effect of the first displacement mechanism and the second displacement mechanism on the rack, precise movement of the grinding tool on the grinding table top is achieved, the grinding precision and efficiency are greatly improved, secondly, through arrangement of a hydraulic cylinder and an adjusting mechanism, the angle of the grinding tool can be adjusted according to needs, and the grinding efficiency is improved. Compared with a traditional grinding mode depending on manual operation, the equipment has the advantages that the labor intensity of operators can be remarkably relieved, the production cost is reduced, meanwhile, the grinding consistency and precision are guaranteed, and the production quality and the market competitiveness of the neodymium-iron-boron magnet are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of grinding, and more specifically to an automatic grinding device for producing NdFeB magnets. Background Art

[0002] As one of the permanent magnetic materials with the best performance at present, NdFeB magnets are widely used in electronics, communications, medical treatment, automobiles and other fields. Its production process is complicated, including ingredients, smelting, powder making, magnetic field orientation and molding, sintering, tempering, machining, surface treatment, testing and packaging. Among them, the grinding link in the machining step directly determines the final quality and appearance of the magnet, and has an important impact on the market competitiveness of the product. However, most of the NdFeB magnet grinding equipment on the existing market has a low degree of automation and relies on manual operation. It is not only inefficient, but also difficult to ensure the consistency and accuracy of grinding, which increases production costs and defective product rates. Therefore, in view of this, the existing structure and defects are studied and improved, and an automated grinding equipment for NdFeB magnet production is provided, in order to achieve a more practical purpose. Summary of the invention

[0003] In order to overcome the above-mentioned defects of the prior art, the present invention provides an automated grinding device for the production of NdFeB magnets to solve the problems existing in the above-mentioned background technology.

[0004] The present invention provides the following technical solution: an automated grinding device for the production of NdFeB magnets, comprising a device body, the device body comprising a grinding table, a frame and a grinding tool, the frame comprising a column and a top plate, the top plate being installed on the top of the grinding table through the column, the bottom end of the top plate being provided with a first displacement mechanism for driving the grinding tool to move horizontally, the bottom end of the first displacement mechanism being provided with a second displacement mechanism for driving the grinding tool to move longitudinally, the first displacement mechanism comprising a first screw body, a first screw sleeve and a first motor, the first screw body being installed in a groove at the bottom end of the top plate, the first screw sleeve being threadedly connected to the first screw body, the first motor being installed on the outside of the top plate, the output end of the first motor being connected to the first screw body for driving the first screw body to rotate, thereby driving The first screw sleeve moves; the second displacement mechanism includes a connecting base, a second screw body, a second motor and a second screw sleeve, the connecting base is fixedly installed on the bottom end of the first screw sleeve, the second screw body is installed in the groove at the bottom end of the connecting base, the second motor is fixedly installed on the outside of the connecting base, the second motor can drive the second screw body to rotate, the second screw sleeve is threadedly connected to the second screw body, the bottom end of the second screw body is connected to a hydraulic cylinder, the bottom end of the hydraulic cylinder is provided with an adjustment mechanism for adjusting the angle of the grinding tool, the adjustment mechanism includes a U-shaped mounting seat, a rotating column is provided in the U-shaped mounting seat, the rotating column allows the grinding tool to rotate with it as the center of the circle, and a third motor is installed on the outside of the U-shaped mounting seat, and the third motor is used to drive the top plate to rotate.

[0005] Furthermore, removable annular cleaning brushes are installed on both sides of the first screw sleeve and the second screw sleeve. The material of the annular cleaning brush is wear-resistant fiber and its surface is provided with tiny protrusions to enhance the cleaning effect. When the first screw sleeve and the second screw sleeve move, the outer surfaces of the first screw body and the second screw body can be cleaned by the annular cleaning brush.

[0006] Furthermore, the equipment body also includes a protective mechanism, which is used to prevent debris from splashing and affecting the working environment. The protective mechanism includes transparent side panels, a transparent door and a cylinder. The transparent side panels and the transparent door are made of high-strength transparent material to ensure a clear field of vision while preventing debris from penetrating. There are three transparent side panels installed between the columns. The transparent door is driven by the cylinder to open and close. When grinding, the transparent door is closed to prevent debris and dust from splashing.

[0007] Furthermore, a dust suction pipe is installed on the top plate, and the dust suction pipe is connected to the dust suction device, which is used to cooperate with the protection mechanism to complete the collection of processing debris.

[0008] Furthermore, the equipment body also includes a clamping device, which is used to position the workpiece. The clamping device includes two mounting vertical plates, and the mounting vertical plates are both mounted on the top of the grinding table. Electric telescopic rods are installed on the sides of the mounting vertical plates close to each other, and clamping plates are installed on the sides of the electric telescopic rods close to each other.

[0009] Furthermore, an anti-slip pad is installed on one side of the clamping plates that are close to each other.

[0010] Furthermore, spring telescopic columns are evenly installed on the sides of the clamping plates that are close to each other. The spring telescopic columns include an external sleeve, an internal plug rod and a return spring. The external sleeve and the internal plug rod are slidably connected, and the return spring is connected between the internal plug rod and the external sleeve. The independent extension and retraction of the spring telescopic columns can cope with workpieces of different shapes.

[0011] Furthermore, the equipment body also includes a control system for receiving external commands and controlling the coordinated operation of the first motor, the second motor, the third motor, the hydraulic cylinder and the electric telescopic rod to achieve precise movement of the grinding tool, angle adjustment and automatic clamping and release of the workpiece.

[0012] Technical effects and advantages of the present invention:

[0013] 1. The present invention realizes the precise movement of the grinding tool on the grinding table through the synergistic effect of the first displacement mechanism and the second displacement mechanism on the frame, which greatly improves the accuracy and efficiency of grinding. Secondly, the setting of the hydraulic cylinder and the adjustment mechanism enables the grinding tool to adjust the angle as needed, further improving the flexibility and applicability of grinding. Compared with the traditional grinding method that relies on manual operation, the equipment can significantly reduce the labor intensity of the operator and reduce the production cost, while ensuring the consistency and accuracy of grinding, which is conducive to improving the production quality and market competitiveness of NdFeB magnets.

[0014] 2. The present invention effectively solves the problem that dust and debris are easily accumulated on the screw body after long-term use by installing detachable annular cleaning brushes on both sides of the first screw sleeve and the second screw sleeve, which not only improves the cleanliness and operating efficiency of the equipment, but also extends the service life of the screw. Secondly, the additional protective mechanism, including high-strength transparent side panels and transparent doors, and the cylinder-driven opening and closing system, effectively prevent the splashing of debris and dust during the grinding process, improve the working environment, and ensure the health and safety of operators. At the same time, the connection between the dust suction pipe on the top plate and the dust suction device further improves the efficiency of debris collection and keeps the working area clean. In addition, the improvement of the clamping device, especially the introduction of the spring telescopic column, enables the equipment to adapt to workpieces of different shapes more flexibly, improving the versatility and efficiency of grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic three-dimensional diagram of the first structure of the present invention.

[0016] Figure 2 It is a schematic three-dimensional diagram of the second structure of the present invention.

[0017] Figure 3 It is a schematic diagram of the three-dimensional decomposition of the structure of the present invention.

[0018] Figure 4 It is a three-dimensional schematic diagram of the internal structure of the frame of the present invention.

[0019] Figure 5 It is a schematic three-dimensional diagram of the structure of the clamping device of the present invention.

[0020] Figure 6 It is a three-dimensional schematic diagram of the internal structure of the spring telescopic column of the present invention.

[0021] Figure 7 For the present invention Figure 4 A partial enlarged schematic diagram of the structure at point A in the middle.

[0022] In the figure: 100, equipment body; 110, grinding table; 111, frame; 112, column; 113, top plate; 114, first screw body; 115, first screw sleeve; 116, first motor; 117, connecting base; 118, second screw body; 119, second motor; 120, second screw sleeve; 121, hydraulic cylinder; 122, U-shaped mounting seat; 123, grinding tool; 124, rotating column; 125, third motor; 126, annular cleaning brush; 127, transparent side panel; 128, transparent door; 129, cylinder; 130, clamping device; 131, mounting vertical plate; 132, electric telescopic rod; 133, clamping plate; 134, spring telescopic column. DETAILED DESCRIPTION

[0023] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.

[0024] Embodiment 1: The present invention provides an automated grinding device for the production of NdFeB magnets, including a device body 100, the device body 100 includes a grinding table 110, a frame 111 and a grinding tool 123, the frame 111 includes a column 112 and a top plate 113, the top plate 113 is installed on the top of the grinding table 110 through the column 112, the bottom end of the top plate 113 is provided with a first displacement mechanism for driving the grinding tool 123 to move horizontally, and the bottom end of the first displacement mechanism is provided with a first displacement mechanism for driving the grinding tool 123 to move horizontally. The second displacement mechanism for the grinding tool 123 to move longitudinally, the first displacement mechanism includes a first screw body 114, a first screw sleeve 115 and a first motor 116, the first screw body 114 is installed in the groove at the bottom end of the top plate 113, the first screw sleeve 115 is threadedly connected to the first screw body 114, the first motor 116 is installed outside the top plate 113, and the output end of the first motor 116 is connected to the first screw body 114, which is used to drive the first screw body 114 to rotate, thereby The second displacement mechanism includes a connecting base 117, a second screw body 118, a second motor 119 and a second screw sleeve 120. The connecting base 117 is fixedly installed on the bottom end of the first screw sleeve 115, and the second screw body 118 is installed in the groove at the bottom end of the connecting base 117. The second motor 119 is fixedly installed on the outside of the connecting base 117. The second motor 119 can drive the second screw body 118 to rotate. The second screw sleeve 120 and the second screw The rod body 118 is threadedly connected, and the bottom end of the second screw rod body 118 is connected to the hydraulic cylinder 121. The bottom end of the hydraulic cylinder 121 is provided with an adjustment mechanism for adjusting the angle of the grinding tool 123. The adjustment mechanism includes a U-shaped mounting seat 122. A rotating column 124 is provided in the U-shaped mounting seat 122. The rotating column 124 allows the grinding tool 123 to rotate with it as the center of the circle. A third motor 125 is installed on the outside of the U-shaped mounting seat 122. The third motor 125 is used to drive the top plate 113 to rotate.

[0025] Working principle: First, the equipment body 100 includes a grinding table 110, a frame 111 and a grinding tool 123. The frame 111 is composed of a column 112 and a top plate 113, and the top plate 113 is firmly installed on the top of the grinding table 110 through the column 112.

[0026] At the bottom end of the top plate 113, a first displacement mechanism is provided for driving the grinding tool 123 to move horizontally. The first displacement mechanism is mainly composed of a first screw body 114, a first screw sleeve 115 and a first motor 116. The first screw body 114 is installed in a groove at the bottom end of the top plate 113 and is threadedly connected to the first screw sleeve 115. When the first motor 116 is started, its output end drives the first screw body 114 to rotate, thereby driving the first screw sleeve 115 to move on the screw to achieve lateral displacement control.

[0027] At the bottom end of the first screw sleeve 115, a second displacement mechanism is provided for driving the grinding tool 123 to move longitudinally. The second displacement mechanism includes a connecting base 117, a second screw body 118, a second motor 119 and a second screw sleeve 120. The second screw body 118 is installed in a groove at the bottom end of the connecting base 117 and is threadedly connected to the second screw sleeve 120. When the second motor 119 is started, it drives the second screw body 118 to rotate, thereby driving the second screw sleeve 120 to move, thereby realizing longitudinal displacement control.

[0028] A hydraulic cylinder 121 is connected to the bottom end of the second screw body 118, and an adjustment mechanism for adjusting the angle of the grinding tool 123 is provided at the bottom end of the hydraulic cylinder 121. The adjustment mechanism includes a U-shaped mounting seat 122 and a rotating column 124, and the grinding tool 123 can rotate around the rotating column 124. A third motor 125 is installed outside the U-shaped mounting seat 122. When the third motor 125 is started, it drives the rotating column 124 to rotate, thereby driving the grinding tool 123 to adjust the angle.

[0029] In summary, through the coordinated work of the first motor 116, the second motor 119 and the third motor 125, and the adjustment of the hydraulic cylinder 121, the precise movement and angle adjustment of the grinding tool 123 in three-dimensional space are achieved, thereby completing the automated grinding task of the NdFeB magnet.

[0030] Embodiment 2:

[0031] The difference between the second embodiment and the first embodiment is that a detachable annular cleaning brush 126 is installed on both sides of the first screw rod sleeve 115 and the second screw rod sleeve 120. The material of the annular cleaning brush 126 is wear-resistant fiber, and a small protrusion is provided on its surface to enhance the cleaning effect. When the first screw rod sleeve 115 and the second screw rod sleeve 120 move, the outer surface of the first screw rod body 114 and the second screw rod body 118 can be cleaned by the annular cleaning brush 126. The equipment body 100 also includes a protective mechanism, which is used to prevent debris from splashing and affecting the working environment. The protective mechanism includes a transparent side panel 127, a transparent door 128 and a cylinder 129. The transparent side panel 127 and the transparent door 128 are made of high-strength transparent material to ensure a clear field of vision while preventing debris from penetrating. There are three transparent side panels 127 installed between the columns 112. The transparent door 128 is driven by the cylinder 129 to open and close. When grinding, the transparent door 128 is closed to prevent debris and dust from splashing. A dust suction pipe is installed on the top plate 113. The dust suction pipe is connected to the dust suction device to cooperate with the protective mechanism to complete the collection of processing debris. The equipment body 100 also includes a clamping device 130, which is used to position the workpiece. The clamping device 130 includes two mounting vertical plates 131, and the mounting vertical plates 131 are both mounted on the top of the grinding table 110. The mounting vertical plates 131 are both mounted on the side close to each other with electric telescopic rods 132, and the electric telescopic rods 132 are both mounted on the side close to each other with clamping plates 133, and the clamping plates 133 are both mounted on the side close to each other with anti-slip pads, and the clamping plates 133 are both evenly mounted on the side close to each other with spring telescopic columns 134. The spring telescopic columns 134 includes an external sleeve, an internal rod and a return spring. The external sleeve and the internal rod are slidably connected. The return spring is connected between the internal rod and the external sleeve. The independent extension and retraction of the spring telescopic column 134 can cope with workpieces of different shapes. The equipment body 100 also includes a control system for receiving external commands and controlling the coordinated work of the first motor 116, the second motor 119, the third motor 125, the hydraulic cylinder 121 and the electric telescopic rod 132 to achieve precise movement of the grinding tool 123, angle adjustment and automatic clamping and release of the workpiece.

[0032] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0033] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0034] Finally: The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automated grinding device for producing NdFeB magnets, comprising a device body (100), wherein the device body (100) comprises a grinding table (110), a frame (111) and a grinding tool (123), characterized in that: The frame (111) is composed of a column (112) and a top plate (113), wherein the top plate (113) is installed on the top of the grinding table (110) through the column (112); a first displacement mechanism is arranged at the bottom of the top plate (113) for driving the grinding tool (123) to move horizontally; a second displacement mechanism is arranged at the bottom of the first displacement mechanism for driving the grinding tool (123) to move longitudinally; the first displacement mechanism comprises a first screw rod body (114), a first screw rod sleeve (115) and a first motor (116) for driving them, wherein the first screw rod body (114) is installed in a groove at the bottom end of the top plate (113), the first screw rod sleeve (115) is threadedly connected to the first screw rod body (114), and the output end of the first motor (116) is connected to the first screw rod body (114); the second displacement mechanism comprises a connecting base (117), a second screw rod body (114), and a second screw rod sleeve (115). (118), a second motor (119), a second screw sleeve (120) and a hydraulic cylinder (121), wherein the bottom of the hydraulic cylinder (121) is connected to an adjustment mechanism for adjusting the angle of a grinding tool (123), wherein the connection base (117) is fixedly mounted on the bottom end of the first screw sleeve (115), the second screw body (118) is mounted in a groove at the bottom end of the connection base (117), the second motor (119) drives the second screw body (118) to rotate, and the second screw sleeve (120) is threadedly connected to the second screw body (118); the adjustment mechanism is used to adjust the angle of the grinding tool (123), and the adjustment mechanism includes a U-shaped mounting seat (122) and a rotating column (124), the grinding tool (123) can rotate around the rotating column (124), and the U-shaped mounting seat (122) is externally provided with a third motor (125) for driving the rotating column (124).

2. The automated grinding equipment for the production of NdFeB magnets according to claim 1, characterized in that: Removable annular cleaning brushes (126) are installed on both sides of the first screw sleeve (115) and the second screw sleeve (120); when the first screw sleeve (115) and the second screw sleeve (120) move, the outer surfaces of the first screw body (114) and the second screw body (118) can be cleaned by the annular cleaning brushes (126).

3. The automated grinding equipment for the production of NdFeB magnets according to claim 1, characterized in that: The equipment body (100) also includes a protection mechanism, which is used to prevent debris from splashing and affecting the working environment. The protection mechanism includes a transparent side panel (127), a transparent door (128) and a cylinder (129). The number of the transparent side panels (127) is three and they are installed between the columns (112). The transparent door (128) is driven by the cylinder (129) to open and close. When grinding, the transparent door (128) is closed to prevent debris and dust from splashing.

4. The automated grinding equipment for the production of NdFeB magnets according to claim 3, characterized in that: A dust suction pipe is installed on the top plate (113), and the dust suction pipe is connected to the dust suction device and is used to cooperate with the protection mechanism to complete the collection of processing debris.

5. The automated grinding equipment for the production of NdFeB magnets according to claim 1, characterized in that: The equipment body (100) further comprises a clamping device (130), wherein the clamping device (130) is used to position the workpiece, and the clamping device (130) comprises two mounting vertical plates (131), wherein the mounting vertical plates (131) are both mounted on the top of the grinding table (110), and electric telescopic rods (132) are both mounted on the sides of the mounting vertical plates (131) close to each other, and clamping plates (133) are mounted on the sides of the electric telescopic rods (132) close to each other.

6. The automated grinding equipment for the production of NdFeB magnets according to claim 5, characterized in that: An anti-slip pad is installed on one side of the clamping plates (133) that are close to each other.

7. The automated grinding equipment for the production of NdFeB magnets according to claim 5, characterized in that: The clamping plates (133) are evenly mounted with spring telescopic columns (134) on the sides close to each other. The spring telescopic columns (134) include an outer sleeve, an inner plug rod and a return spring. The outer sleeve and the inner plug rod are slidably connected. The return spring is connected between the inner plug rod and the outer sleeve. The spring telescopic columns (134) can independently extend and retract to cope with workpieces of different shapes.

8. The automated grinding equipment for the production of NdFeB magnets according to claim 5, characterized in that: The equipment body (100) also includes a control system for receiving external instructions and controlling the coordinated operation of the first motor (116), the second motor (119), the third motor (125), the hydraulic cylinder (121) and the electric telescopic rod (132) to achieve precise movement of the grinding tool (123), angle adjustment, and automatic clamping and release of the workpiece.

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