Novel grinding needle for magnetic grinding

Abstract

The utility model discloses a novel grinding needle for magnetic grinding, which comprises a grinding needle body, the grinding needle body comprises a grinding needle head and a connecting rod, a detachable mechanism is arranged between the grinding needle head and the connecting rod, and a protection mechanism is arranged on the outer side of the grinding needle head. After the grinding needle head is used for a long time, the bolt can be screwed out of the threaded hole, so that the grinding needle head can be detached, the grinding needle head can be conveniently replaced, the grinding needle body does not need to be replaced, and the overall service life of the grinding needle body is prolonged; and after the grinding needle is used, the grinding needle head can be protected by arranging the guarantee shell on the outer side of the grinding needle head, and the situation that a worker touches the tip end of the grinding needle head accidentally and is hurt is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic abrasive machining equipment, and more specifically, to a novel grinding needle for magnetic abrasive machining. Background Technique

[0002] In machining, after a workpiece is made into a finished product through machining methods such as turning, milling, and planing, burrs will be generated on the surface of the workpiece during these machining processes. During use, it will affect the quality and effect of use. Therefore, grinding needles are needed to remove burrs from the workpiece. Among them, a magnetic abrasive machine uses magnetic field force to conduct to the grinding needles and abrasives, making the workpiece rotate, vibrate, and reverse tumble at high frequency, achieving precise polishing effects such as cleaning, removing oil dirt and impurities, removing burrs, and grinding.

[0003] During the use of the existing grinding needles for magnetic abrasive machining, after long-term use of the grinding needles, the abrasive layer on the surface of the grinding needle head is prone to damage, and the grinding needle head needs to be replaced. The existing operations are to replace the entire new grinding needle, resulting in waste of resources. In addition, after the grinding needle head is used up, the grinding needle head cannot be protected, and it is easy for the staff to accidentally touch the grinding needle head during work, and the grinding needle head is likely to cause harm to the staff. For the problems in the related technology, no effective solution has been proposed yet. Content of the Utility Model

[0004] In view of the problems in the related technology, the utility model proposes a novel grinding needle for magnetic abrasive machining to overcome the above technical problems existing in the existing related technology.

[0005] For this reason, the specific technical solution adopted by the utility model is as follows:

[0006] A novel grinding needle for magnetic abrasive machining includes a grinding needle body, the grinding needle body includes a grinding needle head and a connecting rod, a detachable mechanism is arranged between the grinding needle head and the connecting rod, and a protection mechanism is arranged outside the grinding needle head.

[0007] Furthermore, in order to facilitate the replacement of the grinding needle head that has been used for a long time and extend the overall service life of the grinding needle,

[0008] Furthermore, the detachable mechanism includes a mounting seat fixed on the outer side of the bottom end of the grinding needle head. A first groove is arranged inside the mounting seat. A connecting block is arranged at the top end of the connecting rod. The connecting block is matched with the first groove. Through holes are arranged on the mounting seat, and the number of the through holes is four. Bolts are arranged inside the through holes. One end of the bolt passes through the through hole and is in threaded connection with a threaded hole, and the threaded hole is arranged at the top end of the connecting rod.

[0009] Furthermore, in order to facilitate the installation of the grinding needle head, positioning columns are arranged inside the first groove, the number of the positioning columns is two, positioning grooves are arranged at the top end of the connecting block, and the positioning columns are matched with the positioning grooves.

[0010] Furthermore, in order to protect the grinding needle after it is used up, the protection mechanism includes a protective shell provided at the top end of the grinding needle. A fixing block is provided at the bottom end of the protective shell, an elastic plate is provided outside the fixing block, a telescopic spring is provided between the elastic plate and the fixing block, and a clamping block is provided on one side of the elastic plate.

[0011] Furthermore, a second groove is provided at the top end of the mounting seat. The second groove is matched with the fixing block and the elastic plate. A clamping groove is provided on one side of the second groove, and the clamping groove is matched with the clamping block. An arc-shaped groove is provided on the mounting seat.

[0012] Furthermore, arc-shaped plates are provided on both sides of the bottom end of the protective shell, and the arc-shaped plates are matched with the arc-shaped grooves.

[0013] Furthermore, the number of the fixing blocks is two.

[0014] The beneficial effects of the present utility model are as follows:

[0015] (1) By providing a detachable mechanism, after the grinding needle is used for a long time, the grinding needle can be disassembled by screwing the bolt out of the threaded hole, so as to facilitate the replacement of the grinding needle, without replacing the whole grinding needle body, improving the overall service life of the grinding needle body, reducing the waste of materials, and enabling the user to replace grinding needles of different shapes according to different working needs, thereby improving the practicability of this grinding needle.

[0016] (2) By providing a protection mechanism, after the grinding needle is used up, the protective shell can be placed outside the grinding needle to protect the grinding needle, preventing the staff from accidentally touching the tip of the grinding needle and causing harm to the staff, and protecting the grinding needle when it accidentally falls to the ground, preventing the grinding needle from being damaged and prolonging the service life of the grinding needle. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is the front view of a new type of grinding needle for magnetic abrasive finishing according to an embodiment of the present utility model.

[0019] Figure 2 It is the main structure diagram of a new type of grinding needle for magnetic abrasive finishing according to an embodiment of the present utility model.

[0020] Figure 3It is a structural diagram of a detachable mechanism for a grinding needle used in a new type of magnetic grinding according to an embodiment of the present utility model.

[0021] Figure 4 It is a connection diagram of a fixing block for a grinding needle used in a new type of magnetic grinding according to an embodiment of the present utility model.

[0022] In the figure:

[0023] 1. Grinding needle body; 2. Grinding needle head; 3. Connecting rod; 4. Detachable mechanism; 401. Mounting seat; 402. First groove; 403. Connecting block; 404. Through hole; 405. Bolt; 406. Threaded hole; 5. Protection mechanism; 501. Protection shell; 502. Fixed block; 503. Elastic plate; 504. Telescopic spring; 505. Clamping block; 6. Positioning column; 7. Positioning groove; 8. Second groove; 9. Card slot; 10. Arc plate; 11. Arc groove. Specific implementation manners

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] According to an embodiment of the present utility model, a new type of grinding needle for magnetic grinding is provided.

[0026] Embodiment 1

[0027] As Figures 1 - 3As shown in the figure, the novel grinding needle for magnetic force grinding according to the embodiment of the present utility model includes a grinding needle body 1. The grinding needle body 1 includes a grinding needle head 2 and a connecting rod 3. A detachable mechanism 4 is provided between the grinding needle head 2 and the connecting rod 3. A protection mechanism 5 is provided outside the grinding needle head 2. The detachable mechanism 4 includes a mounting seat 401 fixed to the outer side of the bottom end of the grinding needle head 2. A first groove 402 is provided inside the mounting seat 401. A connecting block 403 is provided at the top end of the connecting rod 3. The connecting block 403 matches the first groove 402. By setting the connecting block 403 and the first groove 402, the contact area between the connecting rod 3 and the grinding needle head 2 is enlarged, and the connection effect between the connecting rod 3 and the grinding needle head 2 is ensured. A through hole 404 is provided on the mounting seat 401. The number of the through holes 404 is four. A bolt 405 is provided inside the through hole 404. One end of the bolt 405 passes through the through hole 404 and is threadedly connected to a threaded hole 406. The threaded hole 406 is provided at the top end of the connecting rod 3. Two positioning columns 6 are provided inside the first groove 402. Two positioning grooves 7 are provided at the top end of the connecting block 403. The positioning columns 6 match the positioning grooves 7. By setting the positioning columns 6 and the positioning grooves 7, by placing the positioning columns 6 inside the positioning grooves 7, it is convenient to align the through hole 404 and the threaded hole 406, and thus it is convenient to install the bolt 405.

[0028] As Figures 1 - 3 shown in the figure, the protection mechanism 5 includes a protection shell 501 provided at the top end of the grinding needle head 2. Two fixing blocks 502 are provided at the bottom end of the protection shell 501. Elastic plates 503 are provided outside the fixing blocks 502. The elastic plates 503 are elastic and can deform. A telescopic spring 504 is provided between the elastic plates 503 and the fixing blocks 502. By setting the telescopic spring 504, the clamping effect between the clamping block 505 and the clamping groove 9 is ensured. A clamping block 505 is provided on one side of the elastic plate 503. A second groove 8 is provided at the top end of the mounting seat 401. The second groove 8 matches the fixing blocks 502 and the elastic plates 503. A clamping groove 9 is provided on one side of the second groove 8. The clamping groove 9 matches the clamping block 505. The opening of the clamping groove 9 is larger than the clamping block 505, which is convenient for the clamping block 505 to move a small distance. Arc-shaped plates 10 are provided on both sides of the bottom end of the protection shell 501. Arc-shaped grooves 11 are provided on the mounting seat 401. The arc-shaped plates 10 match the arc-shaped grooves 11, increasing the contact area between the mounting seat 401 and the protection shell 501, and ensuring the connection effect between the protection shell 501 and the mounting seat 401.

[0029] In order to facilitate the understanding of the above technical solution of the present utility model, the working principle or operation method of the present utility model in the actual process will be described in detail below.

[0030] In actual application, when installing the grinding needle head 2, by placing the positioning post 6 in the positioning groove 7, it is convenient to align the through hole 404 and the threaded hole 406. Then, by screwing the bolt 405 into the threaded hole 406, the grinding needle head 2 can be fixed. After the grinding needle has been used for a long time, by screwing the bolt 405 out of the threaded hole 406, the grinding needle head 2 can be separated from the connecting rod 3, which is convenient for disassembling and installing the grinding needle head 2. There is no need to replace the entire grinding needle body 1, which can improve the overall service life of the grinding needle body 1, reduce material waste, and allow users to replace grinding needle heads 2 of different shapes according to different work needs, improving the practicality of this grinding needle. After the grinding needle is used up, by putting the protective shell 501 on the outside of the grinding needle head 2 and pressing the elastic plate 503, the elastic plate 503 moves towards the fixed block 502, so that the elastic plate 503 can be placed inside the second groove 8. Then, continue to press the protective shell 501 downwards. Under the action of the telescopic spring 504, the clamping block 505 can be placed inside the clamping groove 9 to limit the protective shell 501 and prevent the protective shell 501 from separating from the grinding needle head 2, ensuring the protective effect of the protective shell 501 on the grinding needle head 2, preventing the staff from accidentally touching the tip of the grinding needle head 2 and causing harm to the staff. And when the protective shell 501 needs to be disassembled, by pressing the clamping block 505 into the second groove 8 and then pulling the protective shell 501 upwards, the protective shell 501 can be separated from the grinding needle head 2, which is convenient for disassembling the protective shell 501 and thus convenient for the staff to use the grinding needle head 2.

[0031] In summary, by means of the above technical solutions of the present invention, through the setting of the detachable mechanism 4, after the grinding needle head 2 has been used for a long time, the grinding needle head 2 can be disassembled by screwing the bolt 405 out of the threaded hole 406, which is convenient for replacing the grinding needle head 2. There is no need to replace the entire grinding needle body 1, which can improve the overall service life of the grinding needle body 1, reduce material waste, and allow users to replace grinding needle heads 2 of different shapes according to different work needs, improving the practicality of this grinding needle. And through the setting of the protection mechanism 5, after the grinding needle is used up, the protective shell can be placed on the outside of the grinding needle head 2 to protect the grinding needle head 2, prevent the staff from accidentally touching the tip of the grinding needle head 2 and causing harm to the staff, and when the grinding needle head 2 accidentally falls to the ground, it can protect the grinding needle head 2 and prevent the grinding needle head 2 from being damaged, extending the service life of the grinding needle head 2.

[0032] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, 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 new type of grinding needle for magnetic grinding, characterized in that: The invention comprises a grinding needle body (1), wherein the grinding needle body (1) comprises a grinding needle head (2) and a connecting rod (3), wherein a detachable mechanism (4) is arranged between the grinding needle head (2) and the connecting rod (3), wherein a protective mechanism (5) is arranged on the outer side of the grinding needle head (2), wherein the detachable mechanism (4) comprises a mounting seat (401) fixed to the outer side of the bottom end of the grinding needle head (2), wherein a first groove (402) is arranged inside the mounting seat (401), wherein a connecting block (403) is arranged at the top end of the connecting rod (3), wherein the connecting block (403) matches the first groove (402), wherein a through hole (404) is arranged on the mounting seat (401), wherein the number of the through holes (404) is four, wherein a bolt (405) is arranged inside the through hole (404), wherein one end of the bolt (405) passes through the through hole (404) and is threadedly connected to a threaded hole (406), wherein the threaded hole (406) is arranged at the top end of the connecting rod (3).

2. A new type of grinding needle for magnetic grinding according to claim 1, characterized in that: A positioning column (6) is provided inside the first groove (402), and the number of the positioning columns (6) is two. A positioning groove (7) is provided at the top of the connecting block (403), and the positioning column (6) matches the positioning groove (7).

3. A new type of grinding needle for magnetic grinding according to claim 1, characterized in that: The protection mechanism (5) comprises a protection shell (501) arranged at the top end of the needle grinding head (2); a fixing block (502) is arranged at the bottom end of the protection shell (501); an elastic plate (503) is arranged outside the fixing block (502); a telescopic spring (504) is arranged between the elastic plate (503) and the fixing block (502); and a clamping block (505) is arranged on one side of the elastic plate (503).

4. A new type of grinding needle for magnetic grinding according to claim 1, characterized in that: A second groove (8) is provided at the top of the mounting seat (401), the second groove (8) matches the fixing block (502) and the elastic plate (503), a clamping groove (9) is provided on one side of the second groove (8), the clamping groove (9) matches the clamping block (505), and an arc groove (11) is provided on the mounting seat (401).

5. The novel grinding needle for magnetic grinding according to claim 3 is characterized in that: Arc-shaped plates (10) are provided on both sides of the bottom end of the protective shell (501), and the arc-shaped plates (10) match the arc-shaped grooves (11).

6. A new type of grinding needle for magnetic grinding according to claim 3, characterized in that: The number of the fixing blocks (502) is two.

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