Metal material grinding device capable of conveniently switching grinding heads
By introducing a quick disassembly and replacement mechanism and a fixing reinforcement mechanism into the grinding device for metal materials, the rapid disassembly and fixing of the grinding head is achieved, and the problems of low efficiency and safety risks of grinding head replacement in the prior art are solved, and replacement is improved Efficiency and polishing accuracy.
Patent Information
- Application Number
- CN202411631838.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-01-03
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing grinding device for metal materials is inefficient when replacing the grinding head, and the operation is cumbersome, which poses safety risks.
A grinding device for metal materials including quick disassembly and replacement mechanism and fixing reinforcement mechanism is designed. The rapid disassembly and fixing of the grinding head is achieved through components such as linkage rings, L-shaped reinforcement rods, clamping columns and threaded rings, thereby avoiding the use of Tool operation.
Simplifies the replacement process of grinding heads, improves replacement efficiency, reduces safety risks, enhances connection stability, and improves grinding accuracy and consistency.
Smart Images

Figure CN119238366A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of metal grinding devices, in particular to a grinding device for metal materials with convenient switching of grinding heads. Background Art
[0002] The grinding device for metal materials is an indispensable tool in the metal processing process. It is mainly used to remove impurities, oxide layers and uneven parts on the metal surface to achieve a smooth and bright effect, providing a better foundation for subsequent processing procedures. The existing grinding device for metal materials is installed with a variety of grinding heads of different specifications when in use. When in use, the grinding head can be quickly and easily switched by rotating to meet different grinding needs.
[0003] At present, a grinding device for metal materials that is convenient for switching grinding heads needs to replace the grinding head after being used for a long time. However, most existing grinding heads need to be disassembled with the help of tools when replaced. Using tools to replace the grinding head means that the operation process is more cumbersome and requires additional steps and time to prepare and use the tools, thereby reducing the replacement efficiency. When using tools for replacement, improper operation or tool slippage may cause safety risks to the operator and even cause equipment damage.
[0004] Therefore, a metal material grinding device with convenient switching of grinding heads is proposed to solve the above problems. Summary of the invention
[0005] In view of this, the technical problem to be solved by the present invention is to propose a grinding device for metal materials that is convenient for switching grinding heads, so as to solve the problem of low grinding head replacement efficiency in the prior art.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a grinding device for metal materials that is convenient for switching grinding heads, comprising a machine base, a mounting seat is arranged on the outer surface of the machine base, a mounting block is plugged into one end of the mounting seat, and a grinding head body is fixedly connected to one end of the mounting block, and also comprises: a quick-release replacement mechanism and a fixed reinforcement mechanism, wherein the fixed reinforcement mechanism is located at the top of the quick-release replacement mechanism;
[0007] The quick-release replacement mechanism is used to limit the mounting block, and the fixing reinforcement mechanism is used to strengthen the fixation of the quick-release replacement mechanism.
[0008] Preferably, the quick-release replacement mechanism includes a linkage ring, which is rotatably sleeved on the outer surface of the mounting seat, and the inner surface of the linkage ring is symmetrically fixedly connected with a connecting slide column, one end of the connecting slide column is fixedly connected with a guide ring, the connecting slide column is slidably connected to the mounting seat, and the guide ring is slidably connected to one end of the mounting seat.
[0009] Preferably, one end of the guide ring is provided with arc-shaped guide grooves at equal distances, one end of the mounting seat is slidably connected with an L-shaped reinforcement rod, one end of the L-shaped reinforcement rod is slidably connected to the arc-shaped guide groove, the L-shaped reinforcement rod is in contact with the outer surface of the grinding head body, and one end of the mounting block is provided with limiting grooves at equal distances near the grinding head body, and the L-shaped reinforcement rod is plugged into the limiting groove.
[0010] Preferably, arc holes are equidistantly formed on the outer surface of the linkage ring, a clamping column is slidably inserted into the outer surface of the mounting seat, and a reset spring is fixedly connected between the clamping column and the mounting seat.
[0011] Preferably, annular grooves are equidistantly formed on the outer surface of the mounting block, a sliding column rod is slidably connected to one end of the clamping column, a tension spring is fixedly connected between the sliding column rod and the clamping column, one end of the sliding column rod is rotatably connected to a connecting rod at an equal distance, a sliding limit head is equidistantly formed on the outer surface of the clamping column, the limit head is rotatably connected to the connecting rod, one end of the clamping column and the limit head are both clamped in the relative annular grooves, and the clamping column and one end of the sliding column rod are both spherical.
[0012] Preferably, the fixing reinforcement mechanism comprises a threaded ring, which is threadedly sleeved on the outer surface of the mounting seat, the outer surface of the mounting seat is slidably connected to a limiting plug, and one end of the limiting plug is slidably connected to the threaded ring.
[0013] Preferably, the linkage ring is provided with slots at equal distances on one side close to the limiting plug-in block, a triangular groove is provided on one side of the slot, and the limiting plug-in block is plugged into the slot.
[0014] Preferably, a receiving groove is provided on one side of the limiting plug block, and a triangular rotating block is rotatably connected in the receiving groove.
[0015] Compared with the prior art, the present invention provides a grinding device for metal materials that is convenient for switching grinding heads, and has the following beneficial effects:
[0016] 1. Through the setting of the quick-release replacement mechanism and the fixed reinforcement mechanism, when the mounting block and the grinding head body are installed, the mounting block is limited by the clamping connection between one end of the clamping column and the mounting block slot. At the same time, the grinding head body is clamped by the equidistantly arranged L-shaped reinforcement rods to ensure the fixing effect of the grinding head body and the mounting block during installation. At the same time, when disassembling, only the linkage ring and the threaded ring need to be rotated to complete the disassembly of the grinding head body and the mounting block. No tools are required for operation, which simplifies the replacement process and improves the replacement efficiency. At the same time, it avoids the safety risks caused to the operator by the slippage of the tool when operating the tool, and improves the safety during replacement. At the same time, one end of the clamping column and the raised limit head can be clamped with the annular groove to form a double locking limit, which greatly enhances the connection stability between the mounting block and the mounting seat, prevents the mounting block from loosening or falling off during use, and further ensures the stability of the grinding head during use.
[0017] 2. By setting the L-shaped reinforcing rod, the L-shaped reinforcing rod and the limiting slide groove can not only limit the mounting block and improve the stability of the mounting block when in use, but also by setting the L-shaped reinforcing rod, the longer end of the L-shaped reinforcing rod is in contact with the outer surface of the grinding head body, which can provide more stable support for the grinding head body, reduce the shaking caused by vibration or external force interference during the grinding process, and help the grinding head body to contact and process the workpiece surface more accurately, thereby improving the grinding accuracy and consistency. In addition, by setting the triangular rotating block and the triangular groove, when the grinding head body is in use, the centrifugal force generated by the high-speed rotation will cause the triangular rotating block to rotate outward and then be inserted into the triangular groove, further improving the stability of the linkage ring when in use. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional structural diagram of the present invention;
[0019] Figure 2 For the present invention Figure 1 Partial three-dimensional structure diagram;
[0020] Figure 3 This is a bottom structural diagram of the mounting base of the present invention;
[0021] Figure 4 For the present invention Figure 3 Middle section structural diagram;
[0022] Figure 5 It is a three-dimensional structural diagram of the linkage ring and the guide ring of the present invention;
[0023] Figure 6 It is a partial cross-sectional structural diagram of the mounting seat of the present invention;
[0024] Figure 7 It is a three-dimensional structural diagram of the threaded ring of the present invention;
[0025] Figure 8 This is a cross-sectional structural diagram of the position limiting plug block of the present invention;
[0026] Fig. 9 For the present invention Figure 6 Partial three-dimensional structure diagram;
[0027] Fig.10 For the present invention Fig. 9 Enlarged structural diagram at point A in the middle.
[0028] In the figure:
[0029] 1. Machine base; 11. Mounting seat; 2. Grinding head body; 21. Mounting block;
[0030] 301, linkage ring; 302, connecting sliding column; 303, guide ring; 304, arc-shaped guide groove; 305, L-shaped reinforcing rod; 306, limit sliding groove; 307, arc-shaped hole; 308, clamping column; 309, return spring; 310, sliding column rod; 311, tension spring; 312, connecting rod; 313, limit head; 314, annular groove;
[0031] 401, threaded ring; 402, limit plug; 403, storage slot; 404, triangular rotating block; 405, slot; 406, triangular slot. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0033] The present invention is further described in detail below based on the accompanying drawings and embodiments.
[0034] Embodiments of the present invention
[0035] Please refer to Figures 1 to 8 As shown:
[0036] In order to solve the problems mentioned in the technical solution, the embodiment of the present application provides a grinding device for metal materials that is convenient for switching grinding heads, including a machine base 1, a mounting seat 11 is arranged on the outer surface of the machine base 1, a mounting block 21 is plugged into one end of the mounting seat 11, and a grinding head body 2 is fixedly connected to one end of the mounting block 21, and also includes: a quick-release replacement mechanism and a fixed reinforcement mechanism, and the fixed reinforcement mechanism is located at the top of the quick-release replacement mechanism;
[0037] The quick-release replacement mechanism is used to limit the mounting block 21, and the fixing and strengthening mechanism is used to strengthen the fixation of the quick-release replacement mechanism;
[0038] The quick-release replacement mechanism includes a linkage ring 301, which is rotatably sleeved on the outer surface of the mounting seat 11, and the inner surface of the linkage ring 301 is symmetrically fixedly connected with a connecting slide column 302, one end of the connecting slide column 302 is fixedly connected with a guide ring 303, the connecting slide column 302 is slidably connected with the mounting seat 11, the guide ring 303 is slidably connected to one end of the mounting seat 11, and an arc-shaped guide groove 304 is equidistantly provided at one end of the guide ring 303, an L-shaped reinforcing rod 305 is equidistantly slidably connected to one end of the mounting seat 11, one end of the L-shaped reinforcing rod 305 is slidably connected to the arc-shaped guide groove 304, the L-shaped reinforcing rod 305 is in contact with the outer surface of the grinding head body 2, and a limiting slide groove 306 is equidistantly provided near one end of the grinding head body 2 of the mounting block 21, and the L-shaped reinforcing rod 305 is in contact with the limiting slide groove 306 Plug-in, arc holes 307 are equidistantly provided on the outer surface of the linkage ring 301, a clamping column 308 is slidably inserted on the outer surface of the mounting seat 11, a reset spring 309 is fixedly connected between the clamping column 308 and the mounting seat 11, and an annular groove 314 is equidistantly provided on the outer surface of the mounting block 21, a sliding column rod 310 is slidably connected to one end of the clamping column 308, a tension spring 311 is fixedly connected between the sliding column rod 310 and the clamping column 308, and a connecting rod 312 is equidistantly rotatably connected to one end of the sliding column rod 310, and a limited position head 313 is equidistantly penetrated and slidably connected to the outer surface of the clamping column 308, and the limited position head 313 is rotatably connected to the connecting rod 312, one end of the clamping column 308 and the limited position head 313 are both clamped with the relative annular groove 314, and one end of the clamping column 308 and the sliding column rod 310 are both set to be spherical;
[0039] The annular groove 314 is composed of a circular groove with the same diameter as the clamping column 308 and a circular groove with a diameter larger than the clamping column 308, so that one end of the clamping column 308 can be clamped with the protruding limit head 313;
[0040] The outer surface of the mounting block 21 is provided with slots at equal intervals, and the clamping column 308 is clamped with the mounting block 21 through the slots.
[0041] In the prior art, the grinding device for metal materials that is convenient for switching the grinding head needs to replace the grinding head after being used for a long time. However, the existing grinding head mostly needs to be disassembled with the help of tools when replacing it. Using tools to replace the grinding head means that the operation process is more cumbersome and requires additional steps and time to prepare and use the tools, thereby reducing the replacement efficiency. When using tools for replacement, it may cause safety risks to the operator due to improper operation or tool slippage, and even cause equipment damage. Compared with the prior art, the implementation of this embodiment, through the provision of a quick-release replacement mechanism and a fixed reinforcement mechanism, between the mounting block 21 and the grinding head When the cutting head body 2 is installed, the mounting block 21 is limited by the clamping connection between one end of the clamping column 308 and the clamping groove of the mounting block 21. At the same time, the grinding head body 2 is clamped by the L-shaped reinforcing rods 305 arranged at equal intervals, which can ensure the fixing effect of the grinding head body 2 and the mounting block 21 during installation. At the same time, when disassembling, it is only necessary to rotate the linkage ring 301 and the threaded ring 401 to complete the disassembly of the grinding head body 2 and the mounting block 21. No tools are required for operation, which simplifies the replacement process and improves the efficiency of replacement. At the same time, it avoids the safety risks to the operator caused by the tool slipping when operating the tool, thereby improving the safety during replacement.
[0042] For further examples, please refer to Figures 1 to 8 As shown:
[0043] The fixing reinforcement mechanism includes a threaded ring 401, which is threadedly sleeved on the outer surface of the mounting seat 11, and the outer surface of the mounting seat 11 is slidably connected to a limit plug 402, one end of the limit plug 402 is slidably connected to the threaded ring 401, and the linkage ring 301 is equidistantly provided with slots 405 on one side close to the limit plug 402, and a triangular slot 406 is provided on one side of the slot 405, and the limit plug 402 is plugged into the slot 405, and a storage slot 403 is provided on one side of the limit plug 402, and a triangular rotating block 404 is rotatably connected in the storage slot 403;
[0044] In the implementation of this embodiment, by setting the L-shaped reinforcing rod 305, the L-shaped reinforcing rod 305 and the limiting sliding groove 306 are plugged in to limit the mounting block 21 and improve the stability of the mounting block 21 when in use. At the same time, by the L-shaped setting of the L-shaped reinforcing rod 305, the longer end of the L-shaped reinforcing rod 305 is in contact with the outer surface of the grinding head body 2, which can provide a more stable support for the grinding head body 2, reduce the shaking caused by vibration or external force interference during the grinding process, and help the grinding head body 2 to contact and process the workpiece surface more accurately, thereby improving the grinding accuracy and consistency. In addition, by setting the triangular rotating block 404 and the triangular groove 406, when the grinding head body 2 is in use, the centrifugal force generated by the high-speed rotation will cause the triangular rotating block 404 to rotate outward, and then insert into the triangular groove 406, further improving the stability of the linkage ring 301 when in use.
[0045] Everything in the above example works like this:
[0046] In the initial state: the return spring 309 is in a normal state, the clamping column 308 is not clamped with the mounting block 21 , the tension spring 311 is in a normal state, and the limit head 313 is located in the clamping column 308 .
[0047] The following is the working process of the quick release replacement mechanism:
[0048] When the mounting block 21 is inserted into the mounting seat 11 and the mounting block 21 needs to be fixed, the linkage ring 301 can be rotated, and the arc hole 307 can be moved by rotating the linkage ring 301. Since one side of the arc hole 307 is set as an arc surface, and one end of the clamping column 308 is a spherical surface, one end of the clamping column 308 will be squeezed, and one end of the clamping column 308 will be pushed to slide toward the mounting block 21, and then the other end of the clamping column 308 will be inserted into the annular groove 314, and the reset spring 309 will be compressed. As the linkage ring 301 and the arc hole 307 continue to squeeze, when one end of the clamping column 308 is inserted into the annular groove 314, the spherical end of the clamping column 308 is received in the slideway on the mounting seat 11, and the arc hole 307 stops squeezing the clamping column 308. At this time, the contact surface of the arc hole 307 will move from the clamping column 308. The spherical surface of the column 308 is transferred to the spherical surface of the sliding column rod 310, and then the arc hole 307 begins to squeeze the spherical surface of the sliding column rod 310, so that the other end of the spherical surface of the sliding column rod 310 pushes the connecting rod 312, and then the limiting head 313 is pushed to slide outward of the clamping column 308 through the connecting rod 312, so as to be inserted into the annular groove 314. At this time, the clamping column 308 and the limiting head 313 complete the clamping connection with the annular groove 314 on the mounting block 21, and the limiting head 313 can be clamped with the annular groove 314 through one end of the clamping column 308 and the raised limiting head 313, forming a double locking limit, which greatly enhances the connection stability between the mounting block 21 and the mounting seat 11, prevents the mounting block 21 from loosening or falling off during use, and further ensures the stability of the grinding head during use.
[0049] In addition, when the linkage ring 301 rotates, the guide ring 303 is driven by the connecting slide column 302 to rotate at the same time. When the guide ring 303 rotates, the arc guide groove 304 can be driven to rotate, so that the arc surface of the arc guide groove 304 squeezes and pushes the L-shaped reinforcing rod 305 to slide in the direction of the grinding head body 2, so that when the L-shaped reinforcing rod 305 is inserted into the limiting slide groove 306, the side of the L-shaped reinforcing rod 305 close to the grinding head body 2 is in contact with the outer surface of the grinding head body 2 at the same time, and finally, the limiting work of the grinding head body 2 and the mounting block 21 is completed. When the grinding head body 2 and the mounting block 21 need to be disassembled, the linkage ring 301 can be rotated in the opposite direction, so that The linkage ring 301 and the arc hole 307 cancel the squeezing of the clamping column 308 and the sliding column rod 310 in turn, and then under the rebound action of the reset spring 309 and the tension spring 311, the clamping column 308 and the limit head 313 automatically disengage from the clamping limit of the mounting block 21, and at the same time drive the connecting slide column 302 and the guide ring 303 to rotate, so that the arc guide groove 304 drives the L-shaped reinforcing rod 305 to slide, so that the L-shaped reinforcing rod 305 is disengaged from the plugging with the limit slide groove 306 and the clamping of the grinding head body 2, and then the grinding head body 2 can be pulled, so that the mounting block 21 is disengaged from the plugging with the mounting seat 11, thereby completing the disassembly of the grinding head body 2;
[0050] Please refer to the above working process Figures 1 to 8 .
[0051] The following is the working process of the fixed reinforcement mechanism:
[0052] When the quick-release replacement mechanism completes the limiting of the grinding head body 2 and the mounting block 21, the slot 405 is directly below the limiting plug block 402. At this time, the threaded ring 401 can be rotated. Since the threaded ring 401 is threadedly connected to the mounting seat 11, and the limiting plug block 402 is slidably connected to the threaded ring 401, when the threaded ring 401 is rotated, the threaded ring 401 rotates and moves downward, thereby pushing the limiting plug block 402 to move downward, so that the limiting plug block 402 is inserted into the slot 405, completing the fixation and limiting of the linkage ring 301, and under normal circumstances, the triangular rotating block 404 is located inside the receiving groove 403. When the mounting seat 11 drives the grinding head body 2 and the mounting block 21 to rotate and perform grinding work, the centrifugal force generated by the rotation will cause the triangular rotating block 404 to rotate outward and then insert into the triangular groove 406, thereby improving the fixing effect of the grinding head body 2 and the mounting block 21 when in use;
[0053] By setting the quick-release replacement mechanism and the fixed reinforcement mechanism, when the mounting block 21 and the grinding head body 2 are installed, the mounting block 21 is limited by the clamping connection between one end of the clamping column 308 and the clamping groove of the mounting block 21. At the same time, the clamping of the grinding head body 2 by the equidistantly arranged L-shaped reinforcement rods 305 can ensure the fixing effect of the grinding head body 2 and the mounting block 21 during installation. At the same time, when disassembling, only the linkage ring 301 and the threaded ring 401 need to be rotated to complete the disassembly of the grinding head body 2 and the mounting block 21. No tools are required for operation, which simplifies the replacement process and improves the replacement efficiency. At the same time, it avoids the safety risks caused to the operator by the tool slipping when operating the tool, and improves the safety during replacement.
[0054] In addition, by setting the L-shaped reinforcing rod 305, the L-shaped reinforcing rod 305 and the limiting slide groove 306 can not only limit the mounting block 21 and improve the stability of the mounting block 21 when in use, but also by the L-shaped setting of the L-shaped reinforcing rod 305, the longer end of the L-shaped reinforcing rod 305 is in contact with the outer surface of the grinding head body 2, which can provide a more stable support for the grinding head body 2, reduce the shaking caused by vibration or external force interference during the grinding process, and help the grinding head body 2 to contact and process the workpiece surface more accurately, thereby improving the grinding accuracy and consistency. In addition, by setting the triangular rotating block 404 and the triangular groove 406, when the grinding head body 2 is in use, the centrifugal force generated by the high-speed rotation will cause the triangular rotating block 404 to rotate outward, and then insert into the triangular groove 406, further improving the stability of the linkage ring 301 when in use.
[0055] Please refer to the above working process Figures 1 to 8 .
[0056] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0057] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A grinding device for metal materials with convenient switching of grinding heads, comprising a machine base (1), wherein the outer surface of the machine base (1) is provided with a mounting seat (11), one end of the mounting seat (11) is plugged with a mounting block (21), and one end of the mounting block (21) is fixedly connected with a grinding head body (2), characterized in that: It also includes: a quick-release replacement mechanism and a fixed reinforcement mechanism, wherein the fixed reinforcement mechanism is located on the top of the quick-release replacement mechanism; The quick-release replacement mechanism is used to limit the mounting block (21), and the fixing reinforcement mechanism is used to strengthen the fixation of the quick-release replacement mechanism.
2. A metal material grinding device with convenient switching of grinding heads according to claim 1, characterized in that: The quick-release replacement mechanism comprises a linkage ring (301), the linkage ring (301) is rotatably sleeved on the outer surface of the mounting seat (11), the inner surface of the linkage ring (301) is symmetrically fixedly connected with a connecting slide post (302), one end of the connecting slide post (302) is fixedly connected with a guide ring (303), the connecting slide post (302) is slidably connected to the mounting seat (11), and the guide ring (303) is slidably connected to one end of the mounting seat (11).
3. A grinding device for metal materials with convenient switching of grinding heads according to claim 2, characterized in that: One end of the guide ring (303) is provided with arc-shaped guide grooves (304) at equal intervals, one end of the mounting seat (11) is slidably connected with an L-shaped reinforcing rod (305), one end of the L-shaped reinforcing rod (305) is slidably connected to the arc-shaped guide groove (304), the L-shaped reinforcing rod (305) is in contact with the outer surface of the grinding head body (2), and one end of the mounting block (21) close to the grinding head body (2) is provided with limiting sliding grooves (306) at equal intervals, and the L-shaped reinforcing rod (305) is plugged into the limiting sliding groove (306).
4. A metal material grinding device with convenient switching of grinding heads according to claim 3, characterized in that: The outer surface of the linkage ring (301) is provided with arc holes (307) at equal intervals, the outer surface of the mounting seat (11) is slidably plugged with a clamping column (308), and a return spring (309) is fixedly connected between the clamping column (308) and the mounting seat (11).
5. A metal material grinding device with convenient switching of grinding heads according to claim 4, characterized in that: The outer surface of the mounting block (21) is provided with annular grooves (314) at equal intervals, one end of the clamping column (308) is penetrated by a sliding column rod (310) for sliding connection, a tension spring (311) is fixedly connected between the sliding column rod (310) and the clamping column (308), one end of the sliding column rod (310) is rotatably connected to a connecting rod (312) at equal intervals, the outer surface of the clamping column (308) is penetrated by a limiting head (313) for sliding connection at equal intervals, the limiting head (313) is rotatably connected to the connecting rod (312), one end of the clamping column (308) and the limiting head (313) are both clamped with the corresponding annular grooves (314), and one end of the clamping column (308) and the sliding column rod (310) are both set to be spherical.
6. A metal material grinding device with convenient switching of grinding heads according to claim 2, characterized in that: The fixing reinforcement mechanism comprises a threaded ring (401), the threaded ring (401) is threadedly sleeved on the outer surface of the mounting seat (11), the outer surface of the mounting seat (11) is slidably connected to a limiting plug block (402), and one end of the limiting plug block (402) is slidably connected to the threaded ring (401).
7. A metal material grinding device with convenient switching of grinding heads according to claim 6, characterized in that: The linkage ring (301) is provided with slots (405) at equal distances on one side close to the limiting plug block (402), a triangular groove (406) is provided on one side of the slot (405), and the limiting plug block (402) is plugged into the slot (405).
8. A metal material grinding device with convenient switching of grinding heads according to claim 7, characterized in that: A receiving groove (403) is provided on one side of the limiting plug block (402), and a triangular rotating block (404) is rotatably connected in the receiving groove (403).
