Cylindrical neodymium iron boron bilateral grinding machine

By designing a partitioned inlet and outlet block structure, combined with a pressure rod assembly and an electric push rod to drive the grinding wheel, the problem of double-sided grinding of cylindrical NdFeB permanent magnet materials was solved, realizing automated double-sided grinding, simplifying the operation process and improving processing efficiency.

CN223811896UActive Publication Date: 2026-01-20XIAMEN YOUXING ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202520288609.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-01-20
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

In the existing technology, it is difficult to achieve double-sided grinding of cylindrical neodymium iron boron permanent magnet materials during processing. They need to be processed manually one by one or one side before processing the other side, which is complicated and difficult.

Method used

A cylindrical neodymium iron boron double-sided grinding machine was designed. It adopts a partitioned inlet and outlet block structure, combined with a pressure rod assembly, support block and adjustment assembly, to achieve double-sided fixation and grinding of the workpiece. The grinding wheel is driven by an electric push rod to perform double-sided grinding.

Benefits of technology

It enables automated grinding of both sides of cylindrical NdFeB workpieces, simplifying the operation process and improving processing efficiency and applicability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cylindrical neodymium iron boron bilateral grinding machine which comprises a machine frame, a leading-in block is installed at the feeding end of the machine frame, a leading-out block is installed at the discharging end of the machine frame, the leading-in block and the leading-out block are arranged in a partition mode, and an upper grinding assembly and a lower grinding assembly are installed between the leading-in block and the leading-out block. The leading-in block and the leading-out block are each provided with an arc-shaped groove facilitating placement of cylindrical neodymium iron boron to be machined, and a pressing rod assembly is jointly connected between the leading-in block and the leading-out block. The guide-in block and the guide-out block are arranged on the machine frame in a spaced mode, so that a support for supporting a workpiece to be machined is conveniently formed, polishing of the workpiece by the polishing assembly in the middle section is not affected, and the pressing rod assembly, the supporting block and the adjusting assembly are arranged in a matched mode. The cylindrical workpiece is pressed on the operation station, the cylindrical workpiece is conveniently limited, the grinding assemblies on the two sides can effectively conduct double-side grinding conveniently, and the applicability is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to permanent magnet material polishing field, concretely to a cylindrical neodymium iron boron double side grinding machine. BACKGROUND

[0002] Neodymium iron boron is the strongest permanent magnet material at present, and is widely used in the fields of motor, electronic equipment, medical instrument, automobile industry and the like. In the processing process, part of the permanent magnet material of neodymium iron boron needs to be made into cylindrical type. Since the product is cylindrical, it cannot be effectively fixed for double side polishing, and often needs manual processing one by one or realizes the effect of processing the other side after processing one side through a machine, which is difficult to operate and process. Therefore, the utility model provides a cylindrical neodymium iron boron double side grinding machine to solve the above problems. UTILITY MODEL CONTENTS

[0003] The utility model is to provide a cylindrical neodymium iron boron double side grinding machine to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a cylindrical neodymium iron boron double side grinding machine, including the frame, the feed end of the frame is installed with the guide block, the discharge end is installed with the guide block, the guide block and the guide block between are disconnected and are arranged, the guide block and the guide block between are installed with two polishing components up and down, the guide block and the guide block are all provided with the arc groove that is convenient for the cylindrical neodymium iron boron to be processed and placed, the guide block and the guide block are jointly connected with a press rod assembly between, the press rod assembly includes two limit rods of " " character shape movable installation, two the limit rod between passes through connecting rod, the length of connecting rod is greater than the distance between the guide block and the guide block, the limit rod is equipped with the pressure block that extends inwards, the pressure block is equipped with the clamping position on the side of going down, the clamping position is the arc gap that sets up upwards;

[0005] The guide block and the guide block are still respectively covered with the support block that sets up vertically, the inside of the support block is adjustably screwed into the adjusting assembly, the adjusting assembly includes the screw rod and the moving block that is sleeved on the bottom of screw rod, the moving block is pressed together and moves up and down along the guide rod, the moving block bottom is equipped with the pressure groove;

[0006] The polishing component includes the electric push rod, the output end of the electric push rod is equipped with the push rod body, the push rod body is connected with the motor box, the motor box is fixedly installed with the motor, the output end of the motor is set to the front and is connected with the grinding wheel.

[0007] Preferably, the side of the guide block outward is equipped with the material guide slope, and the side of the guide block outward is equipped with the discharge slope.

[0008] Preferably, the position of the connecting rod is consistent with the height of the cylindrical Nd-Fe-B to be processed when assembled.

[0009] Preferably, one side of the limiting rod is provided with a hinged end, and the hinged end is provided with a rotating shaft outwardly, and the rotating shaft is inserted into a hinged block, and the hinged block is fixedly installed on the rack.

[0010] Preferably, the guide-in block and the guide-out block are detachably installed on the rack through bolts.

[0011] Preferably, the bottom of the limiting rod is provided with a reverse buckle end arranged towards the rack.

[0012] Preferably, the top of the screw rod is provided with a hand knob, the hole position of the recess corresponds to the hole position of the arc-shaped recess, and the guide rod is fixedly inserted into the guide-in block and the guide-out block from the support block.

[0013] Preferably, the rack is provided with a guide groove facilitating movement of the motor output shaft, the back of the rack is provided with a sliding rail, and the motor box is provided with a sliding block matched with the sliding rail.

[0014] Preferably, the front end of the guide-in block is provided with an output table higher than the setting height thereof, and the tail end of the guide-out block is provided with an output table lower than the setting height thereof.

[0015] Preferably, the two polishing assemblies are symmetrically arranged on the rack, and the two limiting rods are respectively pressed on the guide-in block and the guide-out block.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses a rack is provided with guide-in block and guide-out block, and guide-in block and guide-out block are arranged at intervals to form a support for the workpiece to be processed, and the polishing of the middle polishing assembly on the workpiece is not affected, the cooperation mode of the pressing rod assembly, the support block and the adjusting assembly is arranged, the workpiece is pressed on the operation station, the cylindrical workpiece is limited, the polishing assembly on both sides is effectively polished, the pressing rod assembly is arranged between the guide-in block and the guide-out block to realize secondary pressing and not affect the polishing operation of the polishing assembly, and the applicability is strong. ACCURACY OF DRAWINGS

[0018] Figure 1 It is a front view of the utility model;

[0019] Figure 2 It is a rear view of the utility model;

[0020] Figure 3 It is a sectional view of the limiting rod during installation;

[0021] Figure 4 is a front structure schematic view of the pressing rod assembly;

[0022] Figure 5 is a top structure schematic view of the pressing rod assembly;

[0023] Figure 6 is an internal section view of the adjusting assembly in Figure 1 direction;

[0024] Figure 7 is an internal structure section view of the adjusting assembly in a direction perpendicular to Figure 1 direction.

[0025] In the figure: frame (1), guide-in block (11), arc-shaped recess (111), guide-in slope (112), guide-out block (12), guide-out slope (122), pressing rod assembly (13), hinged end (131), limiting rod (132), connecting rod (133), pressing block (134), clamping opening (1341), rotating shaft (135), adjusting assembly (14), screw rod (141), knob (142), moving block (143), pressing groove (1431), supporting block (15), guide rod (151), hinged block (16), guide groove (17), slide rail (18);

[0026] polishing assembly (2), grinding wheel (21), (motor box (22), sliding block (221), push rod body (23), electric push rod (24);

[0027] conveying table (3). DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0029] Please refer to Figures 1-7This utility model provides a cylindrical NdFeB double-sided grinding machine, including a frame 1. An inlet block 11 is installed at the feed end of the frame 1, and an outlet block 12 is installed at the discharge end. The inlet block 11 and the outlet block 12 are separated by a partition. Two grinding components 2 are installed between the inlet block 11 and the outlet block 12. Both the inlet block 11 and the outlet block 12 are provided with arc-shaped grooves 111 to facilitate the placement of the cylindrical NdFeB to be processed. A pressure rod assembly 13 is connected between them. The pressure rod assembly 13 includes two "U"-shaped movable limiting rods 132. The two limiting rods 132 are connected by a connecting rod 133. The length of the connecting rod 133 is greater than the distance between the inlet block 11 and the outlet block 12. The limiting rod 132 is provided with an inwardly extending pressure block 134. The pressure block 134 is provided with a locking opening 1341 on the downward side. The locking opening 1341 is an upwardly oriented arc-shaped notch.

[0030] The inlet block 11 and outlet block 12 are each covered with an upright support block 15. An adjustment component 14 is adjustablely screwed into the inside of the support block 15. The adjustment component 14 includes a screw 141 and a moving block 143 sleeved on the bottom of the screw 141. The moving block 143 moves up and down along the guide rod 151 and presses against the guide rod. The bottom of the moving block 143 is provided with a pressure groove 1431.

[0031] The grinding assembly 2 includes an electric push rod 24. The output end of the electric push rod 24 is provided with a push rod body 23. The push rod body 23 is connected to a motor housing 22. A motor is fixedly installed inside the motor housing 22. The output end of the motor is facing forward and connected to the grinding wheel 21.

[0032] In this embodiment, during use, the outward-facing side of the inlet block 11 is provided with a guiding slope 112, and the outward-facing side of the outlet block 12 is provided with a discharge slope 122, so that it is convenient to inlet on one side and easy to outlet on the other side.

[0033] See Figure 1 During assembly, the height of the connecting rod 133 is consistent with the height at which the cylindrical neodymium iron boron to be processed is placed. The purpose of this design is to avoid the impact on the upper and lower grinding components, i.e., the upper and lower grinding wheels 21, during processing.

[0034] In this embodiment, the limiting rod 132 has a hinge end 131 on one side, and the hinge end 131 has a rotating shaft 135 extending outward. The rotating shaft 135 passes through the hinge block 16, and the hinge block 16 is fixedly installed on the frame 1. By setting the limiting rod 132 to be movable, it can better press the cylindrical workpiece. It should also be noted that the hinge here is a hinge with a certain tension, which can effectively control the pressing state.

[0035] Referring to Figure 1 , the import block 11 and the export block 12 are detachably mounted on the rack 1 by bolts, facilitating later maintenance and replacement;

[0036] In this embodiment, the bottom of the limiting rod 132 is provided with a reverse buckle end arranged towards the rack 1, facilitating the limiting rod to be more effectively covered on the import block and the export block, and strengthening the limiting effect of the cylindrical workpiece processing;

[0037] As Figure 1 shown, the top of the screw rod 141 is provided with a knob 142, which can reduce the labor intensity when manually rotating the screw rod 141, and the hole position of the groove 1431 corresponds to and matches the hole position of the arc-shaped groove 111, facilitating the pressing of the workpiece, and the guide rod 151 is fixed on the import block 11 and the export block 12 from the support block 15, facilitating the guidance;

[0038] As Figure 1 and 2 shown, the rack 1 is provided with a guide groove 17 for facilitating the movement of the motor output shaft, the back of the rack 1 is provided with a sliding rail 18, and the motor box 22 is provided with a sliding block 221 matched with the sliding rail 18, facilitating the guidance of the motor box 22 and the grinding wheel 21;

[0039] In order to facilitate the transfer of the workpiece, the input end of the import block 11 is provided with an output table 3 higher than the setting height thereof, and the output end of the export block 12 is provided with an output table 3 lower than the setting height thereof;

[0040] In order to achieve effective grinding effect, the two grinding assemblies 2 are symmetrically arranged on the rack 1, and the two limiting rods 132 are respectively pressed on the import block 11 and the export block 12.

[0041] In specific use, according to Figure 1The part is assembled in advance, then the workpiece to be processed is inserted into the arc-shaped recess on the guide-in block and the guide-out block by manual operation, then the adjusting assembly is adjusted, the screw rod drives the moving block to move downward, finally the cylindrical workpiece is pressed in the arc-shaped recess, then the pressing rod assembly is adjusted, the connecting rod in the pressing rod assembly is bent downward, finally the reverse buckle end cap is closed on the bottom of the guide-in block and the guide-out block, so that the cylindrical workpiece is limited in the arc-shaped recess and the clamping opening, at this time the pressing block is also pressed on the cylindrical workpiece and the pressing area is increased, the cylindrical workpiece is effectively limited, after the cylindrical workpiece is pressed and limited, the electric push rod is started, the motor box is moved toward the middle by the electric push rod, the motor (not shown) in the motor box drives the grinding wheel to rotate, so that both sides of the cylindrical workpiece are ground, two groups of grinding assemblies are symmetrically arranged, so that the grinding effect is accelerated, and the cylindrical workpiece is effectively limited by the fitting device.

[0042] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or replace part of the technical features with equivalent ones, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A cylindrical neodymium iron boron double-sided grinding machine, characterized in that: The device includes a frame, with an inlet block installed at the feed end and an outlet block installed at the discharge end. The inlet block and outlet block are separated by a partition. Two grinding components are installed between the inlet block and outlet block. Both the inlet block and outlet block have arc-shaped grooves to facilitate the placement of cylindrical NdFeB magnets to be processed. A pressure rod assembly is connected between the inlet block and outlet block. The pressure rod assembly includes two "U"-shaped movable limiting rods connected by a connecting rod. The length of the connecting rod is greater than the distance between the inlet block and outlet block. The limiting rods have inwardly extending pressure blocks. The downward-facing side of the pressure blocks has a locking opening, which is an upward-facing arc-shaped notch. The inlet block and outlet block are each covered with an upright support block. An adjustment component is adjustablely screwed into the inside of the support block. The adjustment component includes a screw and a movable block sleeved at the bottom of the screw. The movable block moves up and down along the guide rod to press and close. The bottom of the movable block is provided with a pressure groove. The grinding assembly includes an electric push rod, the output end of which is provided with a push rod body. The push rod body is connected to a motor housing, and a motor is fixedly installed inside the motor housing. The output end of the motor is positioned facing forward and connected to the grinding wheel.

2. The cylindrical NdFeB double-sided grinding machine according to claim 1, characterized in that: The inlet block has a guide slope on its outward-facing side, and the outlet block has a discharge slope on its outward-facing side.

3. A cylindrical NdFeB double-sided grinding machine according to claim 1, characterized in that: During assembly, the position and height of the connecting rod are consistent with the height at which the cylindrical neodymium iron boron to be processed is placed.

4. A cylindrical NdFeB double-sided grinding machine according to claim 1, characterized in that: The limiting rod has a hinge end on one side, and the hinge end has a rotating shaft extending outward. The rotating shaft passes through the hinge block, and the hinge block is fixedly installed on the frame.

5. A cylindrical NdFeB double-sided grinding machine according to claim 1, characterized in that: The import block and export block are detachably mounted on the frame by bolts.

6. A cylindrical NdFeB double-sided grinding machine according to claim 1, characterized in that: The bottom of the limiting rod is provided with a reverse buckle end facing the frame.

7. A cylindrical NdFeB double-sided grinding machine according to claim 1, characterized in that: A screwdriver is installed on the top of the screw, the hole position of the groove corresponds to and matches the hole position of the arc groove, and the guide rod passes through the support block and is fixed on the inlet block and outlet block.

8. A cylindrical NdFeB double-sided grinding machine according to claim 1, characterized in that: The frame is provided with a guide groove to facilitate the movement of the motor output shaft, the back of the frame is provided with a slide rail, and the motor housing is provided with a slider that cooperates with the slide rail.

9. A cylindrical NdFeB double-sided grinding machine according to claim 1, characterized in that: The infeeding end of the inlet block is provided with an output platform higher than its set height, and the discharge end of the outlet block is provided with an output platform lower than its set height.

10. A cylindrical NdFeB double-sided grinding machine according to claim 1, characterized in that: The two grinding components are symmetrically arranged on the frame, and the two limiting rods are respectively pressed onto the inlet block and the outlet block.