A bidirectional self-locking stirring rod for a multi-axis grinding machine and its disassembly and assembly method

Abstract

The invention discloses a bidirectional self-locking stirring rod of a multi-axis grinder, which relates to the field of sand mills and aims to solve the problem that the stirring rod on the stirring rod of a traditional sand mill will fall off. The key points of the technical solution include a connecting rod inserted into the stirring rod, a fixed sleeve outside the connecting rod is provided with a striking rod, the stirring rod is penetrated by a placement hole along its radial direction, a connecting sleeve is inserted into the placement hole, a first thread segment and a second thread segment are respectively provided at both ends of the inner side wall of the connecting sleeve in the length direction, and an end of the connecting rod close to the stirring rod is threadedly matched with the first thread segment and the second thread segment; a sliding section is provided on the inner side wall of the connecting sleeve, the sliding section is provided between the first thread segment and the second thread segment, a synchronizing device is provided in the sliding section for driving the connecting rods in the first thread segment and the second thread segment to rotate simultaneously, and a trigger device for controlling the operation of the synchronizing device is provided in the connecting rod. The invention achieves the effect of preventing the stirring rod from falling off the stirring rod.

Description

Technical Field

[0001] The invention relates to the technical field of sand mills, in particular to a bidirectional self-locking stirring rod of a multi-axis grinding machine. Background Art

[0002] At present, the sand mill adds materials into the limited barrel space and grinds the materials through stirring rods and steel balls to further reduce the volume of the materials in the barrel until the materials in the barrel reach the target particle size.

[0003] The existing multi-axis grinding machine includes a barrel body, a plurality of steel balls for grinding powder are provided in the barrel body, one end of the barrel body is located on the base, a plurality of stirring rods are provided in the barrel body, and stirring rods are evenly distributed on the stirring rods, and a plurality of stirring rods are evenly distributed along the height direction of the stirring rods, the stirring rods include a connecting rod threadedly inserted in the stirring rod, and the connecting rod outer shell is provided with a ceramic impact rod, and the impact rod is made of ceramic with a hardness greater than that of the steel ball. A driven driving shaft that drives the stirring rod to rotate is provided on the base, and a positioning sleeve is provided inside the base and wrapped around the driven driving shaft. The end of the driven driving shaft away from the stirring rod is fixedly sleeved with a driven gear, and a driving device that drives the driven gear to rotate is provided on the side of the base away from the barrel body. The driving device includes a motor fixed on the base, and a driving shaft is rotatably provided on the motor. A driving gear is fixedly sleeved on the rotating rod, and the driving gear is meshed between the plurality of driven gears. When the operator needs to drive the stirring rod to rotate, he only needs to start the motor, and the motor drives the driving gear to rotate through the driving shaft, and the driving gear drives the driven gear to rotate.

[0004] The above-mentioned existing technical solutions have the following defects: the existing stirring rod thread is fitted in the stirring rod, and the stirring rod collides with the steel ball for a long time, which may cause the stirring rod to loosen on the stirring rod. Once the thread structure loosens, it is very likely that the stirring rod will fall off the stirring rod. This problem needs to be solved urgently. Summary of the Invention

[0005] The purpose of the present invention is to provide a bidirectional self-locking stirring rod for a multi-axis grinding machine, which has the function of preventing the stirring rod from falling off freely on the stirring rod.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A multi-axis grinding machine bidirectional self-locking stirring rod, including a connecting rod inserted into the stirring rod, a fixed sleeve outside the connecting rod is provided with a striking rod, the stirring rod is penetrated by a placement hole along its radial direction, a connecting sleeve is passed through the placement hole, and the two ends of the inner side wall of the connecting sleeve in the length direction are respectively provided with a first thread segment and a second thread segment, and the end of the connecting rod close to the stirring rod is threadedly matched with the first thread segment and the second thread segment; the inner side wall of the connecting sleeve is provided with a sliding section, and the sliding section is provided between the first thread segment and the second thread segment, and a synchronizing device is provided in the sliding section to drive the connecting rods in the first thread segment and the second thread segment to rotate simultaneously, and a trigger device for controlling the operation of the synchronizing device is provided in the connecting rod.

[0008] By adopting the above technical solution, a connecting sleeve is placed in the hole, and then the first thread segment and the second thread segment are connected to the stirring rod at both ends of the connecting sleeve respectively. A synchronization device for driving the two connecting rods to rotate synchronously is provided in the connecting sleeve, and a trigger device for controlling the operation of the synchronization device is provided in the connecting sleeve. In this way, when the stirring rod is working in the barrel body, if it rotates in one direction, the stirring rod at the other end will be driven to rotate through the synchronization device. The different engagement directions of the threads at the two ends will cause one stirring rod to tighten and the other to loosen, but the two stirring rods will never fall off the stirring rod as a whole, thereby preventing the stirring rod from falling off the stirring rod. When the operator needs to remove the stirring rod, only the trigger device is activated to control the synchronization device to close, so that the stirring rods at both ends of the connecting sleeve can be removed one by one.

[0009] Furthermore, a connecting screw sleeve is fixedly provided on one end of the connecting rod close to the stirring rod and is threadedly engaged with the first thread segment and the second thread segment.

[0010] By adopting the above technical solution, the connecting screw sleeve can improve the occlusal surface of the connecting rod and the connecting sleeve, thereby improving the connection stability of the connecting rod and the connecting sleeve.

[0011] Furthermore, the synchronization device includes a synchronization cylinder that slides through the sliding section, and synchronization sleeves with variable cross-sections are provided at both ends of the synchronization cylinder in the length direction. The end of the connecting screw sleeve close to the stirring rod is provided with a synchronization hole that fits on the outer wall of the synchronization sleeve.

[0012] By adopting the above technical solution, the cross-section of the synchronization sleeve in the length direction is set in a polygonal shape, and the synchronization hole is set on the outer side wall of the synchronization sleeve. In this way, the synchronization sleeve is inserted into the synchronization hole, which can drive the connecting screw sleeve to rotate, thereby simultaneously driving the connecting screw sleeves at both ends of the connecting sleeve to rotate.

[0013] Furthermore, the trigger device includes a trigger screw inserted into the connecting rod, the trigger screw thread is engaged in the synchronization sleeve, and the synchronization sleeve is outer provided with a resistance spring, one end of the resistance spring resists against the end face of the synchronization cylinder and the other end resists against the end face of the connecting screw sleeve.

[0014] By adopting the above technical solution, the connecting screw sleeve can slide freely in the sliding section. Under normal circumstances, the resistance spring will push the synchronous cylinder to one end of the sliding section. At this time, the synchronous sleeves at both ends of the synchronous cylinder are both inserted into the connecting screw sleeve. The operator only needs to turn the trigger screw in any connecting rod, and the trigger screw will threadably engage the corresponding synchronous sleeve, driving the synchronous cylinder to squeeze the trigger spring until the synchronous sleeve is pulled out of one of the connecting screw sleeves. In this way, the operator only needs to turn the connecting screw sleeve that pulls out the synchronous sleeve to remove the stirring rod.

[0015] Furthermore, a positioning platform is provided on an outer side wall of the connecting screw sleeve close to one end of the connecting rod, and a limiting groove that abuts against the positioning platform is provided on an inner side wall of the connecting sleeve.

[0016] By adopting the above technical solution, the limiting groove abuts against the positioning platform to limit the insertion depth of the connecting sleeve, thereby playing the role of controlling the lengths of the plurality of stirring rods extending from the stirring rod to be the same.

[0017] Furthermore, a positioning groove is provided on an inner side wall of the connecting screw sleeve close to one end of the connecting rod, and a positioning ring is provided on an outer side wall of the connecting rod close to one end of the stirring rod to abut against the bottom wall of the positioning groove.

[0018] By adopting the above technical solution, when the connecting sleeve and the connecting rod are welded, the connecting rod is inserted into the connecting sleeve. At this time, the positioning groove will resist the positioning ring, thereby playing a role in preliminarily fixing the connecting rod in the connecting sleeve.

[0019] Furthermore, a welding groove is provided on a side of the connecting screw sleeve that contacts the positioning ring.

[0020] By adopting the above technical solution, the welding groove can provide more weld contact area for welding the connecting screw sleeve and the connecting rod, thereby improving the connection stability of the connecting screw sleeve and the connecting rod.

[0021] Furthermore, one end of the outer side wall of the connecting sleeve is sleeved with a resistance ring which resists the outer side wall of the stirring rod.

[0022] By adopting the above technical solution, the abutment ring can play a role in preliminarily positioning the position of the connecting sleeve in the placement hole.

[0023] To achieve the above object, the present invention provides the following technical solutions:

[0024] A method for disassembling and assembling a bidirectional self-locking stirring rod of a multi-axis grinding machine, characterized in that the installation steps are as follows:

[0025] A1. Assemble the connecting rod. Weld a fixed connecting screw sleeve to the connecting rod near the stirring rod, and then insert the trigger screw into the connecting rod.

[0026] A2. Assemble the synchronous cylinder. Install a resistance spring on one end of the synchronous sleeve. Then align the synchronous sleeve with the synchronous hole and insert it. Then, turn the trigger screw to drive the synchronous sleeve to slide into the synchronous hole. At the same time, the synchronous cylinder squeezes the resistance spring.

[0027] A3. Assemble the connecting sleeve, then screw the end of the connecting sleeve with the friction ring onto the outside of the connecting nut, then insert the connecting sleeve with the connecting rod at one end into the placement hole, and then screw another connecting rod on the other end of the connecting sleeve;

[0028] A4. Assemble the stirring rod, then rotate the trigger screw near the end of the friction ring to disengage the synchronizing sleeve from the trigger screw. Under the action of the friction spring, the synchronizing sleeve at the end of the synchronizing cylinder away from the friction ring will contact the other connecting screw sleeve. Then slightly rotate the stirring rod away from the friction ring until the synchronizing sleeve at the end away from the friction ring is inserted into the synchronizing hole.

[0029] A5. Finally, screw the trigger screws on both ends of the synchronous cylinder. When the trigger screws are screwed in the synchronous cylinder, the synchronous cylinder must be kept in place in the connecting sleeve.

[0030] By adopting the above technical solution, the connecting rod, synchronous cylinder, connecting sleeve and stirring rod are assembled one by one, step by step, so as to facilitate the installation of the connecting rod on the stirring rod. Finally, when twisting the trigger screws at both ends of the synchronous cylinder, the twisting screws can be inserted at both ends first, and then one of the twisting screws can be installed by hand so that the synchronous cylinder is buckled and cannot rotate. Then, the other trigger screw is twisted, and then a fixed trigger screw is screwed in the same steps.

[0031] Further, the disassembly steps are as follows:

[0032] B1. Unscrew the trigger screw at either end of the connecting sleeve until the trigger screw is loosened and the end of the trigger screw away from its threaded section extends out of the connecting rod. A section of the threaded section of the trigger screw is still engaged in the synchronizer cylinder. Hold the trigger screw and move the synchronizer cylinder toward the contact ring in the connecting sleeve. Simultaneously, the synchronizer cylinder compresses the contact spring until the synchronizer cylinder at the end away from the contact ring is pulled out of the through hole.

[0033] B2. Then rotate and pull out the connecting rod of the synchronous sleeve, and unscrew one end of the connecting rod from the connecting sleeve;

[0034] B3. Finally, take the connecting sleeve with the connecting rod out of the placement hole.

[0035] By adopting the above technical solution, when removing the stirring rods on the stirring rod, it is only necessary to control the movement of the synchronous cylinder in the sliding section by triggering the screw, thereby controlling whether the synchronous sleeve is simultaneously inserted into the synchronous section, and then the stirring rods that are self-locked on the stirring rod can be removed one by one.

[0036] In summary, the beneficial technical effects of the present invention are:

[0037] 1. The connecting sleeve, connecting screw sleeve, synchronization device and trigger device are used to prevent the stirring rod on the stirring rod from loosening;

[0038] 2. The synchronous cylinder and synchronous sleeve box are used to resist the spring, thereby producing the effect of synchronously driving the connecting screw sleeves at both ends of the connecting sleeve to rotate;

[0039] 3. A trigger screw is used to control the operation of the synchronization device. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 Schematic diagram of the overall structure of the present invention;

[0041] Figure 2 This is a schematic diagram of the structure inside the barrel of the present invention;

[0042] Figure 3 It is a structural schematic diagram of the base in the present invention;

[0043] Figure 4 Schematic diagram of a partial cross-section of the stirring rod of the present invention;

[0044] Figure 5 for Figure 4 A schematic diagram of the enlarged structure of the middle part A;

[0045] Figure 6 Schematic diagram of the internal explosion structure of the stirring rod;

[0046] Figure 7 for Figure 5 Schematic diagram of the enlarged structure of part B in the middle.

[0047] In the figure, 1. barrel body; 11. base; 14. driving shaft; 15. driving gear; 16. stirring rod; 17. driven drive shaft; 18. positioning sleeve; 19. driven gear; 2. stirring rod; 21. connecting rod; 22. impact rod; 23. positioning groove; 24. positioning ring; 3. placement hole; 31. connecting sleeve; 32. interference ring; 33. first thread segment; 34. sliding segment; 35. second thread segment; 4. trigger device; 41. trigger screw; 42. interference spring; 5. synchronization device; 51. synchronization cylinder; 52. synchronization sleeve; 53. synchronization hole; 6. connecting screw sleeve; 61. welding groove; 62. positioning platform; 63. limit groove. DETAILED DESCRIPTION

[0048] Example 1:

[0049] The present invention will be further described in detail below with reference to the accompanying drawings.

[0050] Reference Figure 1 and Figure 2 , which is a multi-axis grinder bidirectional self-locking stirring rod disclosed by the present invention, includes a base 11, a barrel body 1 is seated on the base 11, the barrel body 1 is cylindrical and hollow, and the barrel body 1 is arranged in two layers as a whole. Three glue stick rods are arranged on the base 11, and the plane connecting lines of the three stirring rods 16 are arranged in an equilateral triangle. A driving device is provided on the side of the base 11 away from the stirring rod 16, and the driving device includes a motor fixed on the base 11. The operator can indirectly control the rotation of the stirring rod 16 through the motor. When the operator needs to grind powder in the barrel body 1, he only needs to start the motor, and the motor drives the stirring rod 16 to rotate, and the stirring rod 16 hits the powder particles in the barrel body 1.

[0051] Reference Figure 2 and Figure 3 , a driving shaft 14 is rotatably provided on the motor, and a driving gear 15 is fixedly sleeved on the driving shaft 14. A driven driving shaft 17 is provided through the position of the stirring rod 16 in the base 11, and the end of the stirring rod 16 close to the base 11 is fixed on the driven driving shaft 17, and the outer wall of the driven driving shaft 17 away from the stirring rod 16 is sleeved with a driven gear 19, and the three driven gears 19 are respectively engaged with the driving gear 15. In order to fix the position of the driven driving shaft 17, a positioning sleeve 18 is fixedly provided on the side of the base 11 away from the stirring rod 16, and the positioning sleeve 18 is sleeved on the driven driving shaft 17. When the operator needs to drive the stirring rod 16 to rotate, he only needs to start the motor, the motor drives the driving gear 15 to rotate, the driving gear 15 drives the driven gear 19 to rotate, and the driven gear 19 drives the stirring rod 16 to rotate.

[0052] Reference Figure 4 and Figure 5The outer wall of the stirring rod 16 is penetrated with a plurality of placement holes 3 along its height direction, and the placement hole 3 is penetrated with a connecting sleeve 31. The inner wall of the connecting sleeve 31 is sequentially provided with a first thread segment 33, a sliding segment 34 and a second thread segment 35 along its length direction. The stirring rod 2 includes a striking rod 22 made of ceramic material, and a connecting rod 21 is penetrated in the striking rod 22. A connecting screw sleeve 6 is welded to one end of the connecting rod 21 close to the stirring rod 16. The outer wall of the connecting screw sleeve 6 is provided with an external thread, and the connecting screw sleeve 6 is penetrated by the first thread segment 33. In the segment 33 and the second threaded segment 35, a synchronization device 5 is provided in the connecting sleeve 31 to synchronously drive the rotation of the connecting screw sleeves 6 at both ends of the connecting sleeve 31. The synchronization device 5 includes a synchronization cylinder 51 slidingly penetrated in the sliding segment 34. Synchronization sleeves 52 with a hexagonal cross-section are provided at both ends of the synchronization cylinder 51 in the length direction. A synchronization hole 53 is provided in the connecting screw sleeve 6 to fit the outer wall of the synchronization sleeve 52. The synchronization sleeve 52 at any end is longer than the synchronization sleeve 52 at the other end. A resistance spring 42 is provided on the longer synchronization sleeve 52.

[0053] Reference Figure 4 and Figure 5 In this way, if the stirring rod 2 rotates in one direction when working in the barrel body 1, the stirring rod 2 at the other end will be driven to rotate through the synchronization device 5. The thread engagement directions of the two ends are different, which will cause one stirring rod 2 to tighten and the other to loosen, but the two stirring rods 2 as a whole will never fall off the stirring rod 16, thereby preventing the stirring rod 2 from falling off the stirring rod 16.

[0054] Reference Figure 4 and Figure 5 A trigger device 4 for controlling the operation of the synchronization device 5 is provided in the connecting rod 21. The trigger device 4 includes a trigger screw 41 threaded through the connecting rod 21, and the end of the trigger thread rod close to the stirring rod 16 is threadedly engaged in the synchronization sleeve 52; the connecting screw sleeve 6 can slide freely in the sliding section 34. Under normal circumstances, the resistance spring 42 will push the synchronization cylinder 51 to one end of the sliding section 34. At this time, the synchronization sleeves 52 at both ends of the synchronization cylinder 51 are both inserted into the connecting screw sleeve 6. The operator only needs to rotate the trigger screw 41 in any connecting rod 21, and the trigger screw 41 will threadably engage with the corresponding synchronization sleeve 52.

[0055] Reference Figure 5 and Figure 7The end of the inner side wall of the connecting screw sleeve 6 near the connecting rod 21 is provided with a positioning groove 23, and the end of the outer side wall of the connecting rod 21 near the stirring rod 16 is provided with a positioning ring 24 that interferes with the bottom wall of the positioning groove 23. When the connecting screw sleeve 6 and the connecting rod 21 are welded, the connecting rod 21 is inserted into the connecting screw sleeve 6. At this time, the positioning groove 23 will interfere with the positioning ring 24, thereby playing the role of preliminarily fixing the connecting rod 21 in the connecting screw sleeve 6; the outer side wall of the connecting screw sleeve 6 is provided with a positioning platform 62 at one end near the connecting rod 21, and the inner side wall of the connecting sleeve 31 is provided with a limiting groove 63 that interferes with the positioning platform 62. The limiting groove 63 interferes with the positioning platform 62 to limit the insertion depth of the connecting sleeve 31 tube, thereby playing the role of controlling the length of several stirring rods 2 extending from the stirring rod 16 to be the same; one end of the outer side wall of the connecting sleeve 31 is provided with a conflicting ring 32 that interferes with the outer side wall of the stirring rod 16, and the conflicting ring 32 can play the role of preliminarily positioning the position of the connecting sleeve 31 in the placement hole 3.

[0056] Example 2:

[0057] The disassembly and assembly method of the bidirectional self-locking stirring rod of the multi-axis grinding machine is as follows:

[0058] A1. Assemble the connecting rod 21. Weld the connecting screw sleeve 6 to the connecting rod 21 near the stirring rod 2. Then, insert the trigger screw 41 into the connecting rod 21.

[0059] A2. Assemble the synchronous cylinder 51. Install the interference spring 42 on one end of the synchronous sleeve 52. Then align the synchronous sleeve 52 with the synchronous hole 53 and insert it. Then, rotate the trigger screw 41 to drive the synchronous sleeve 52 to slide into the synchronous hole 53. At the same time, the synchronous cylinder 51 squeezes the interference spring 42.

[0060] A3. Assemble the connecting sleeve 31, then screw one end of the connecting sleeve 31 with the abutment ring 32 onto the outside of the connecting nut 6, then insert the connecting sleeve 31 with the connecting rod 21 at one end into the placement hole 3, and then screw another connecting rod 21 onto the other end of the connecting sleeve 31;

[0061] A4. Assemble the stirring rod 16 and then rotate the trigger screw 41 close to the end of the interference ring 32, so that the synchronization sleeve 52 is disengaged from the trigger screw 41. Under the action of the interference spring 42, the synchronization sleeve 52 at the end of the synchronization cylinder 51 away from the interference ring 32 will contact the other connecting screw sleeve 6. Then, slightly rotate the stirring rod 2 away from the end of the interference ring 32 until the synchronization sleeve 52 at the end away from the interference ring 32 is inserted into the synchronization hole 53.

[0062] A5. Finally, screw the trigger screws 41 onto both ends of the synchronous cylinder 51 . When the trigger screws 41 are screwed inside the synchronous cylinder 51 , the synchronous cylinder 51 must be kept stationary inside the connecting sleeve 31 .

[0063] The disassembly and assembly method of the bidirectional self-locking stirring rod of the multi-axis grinding machine is as follows:

[0064] B1. Unscrew the trigger screw 41 at either end of the connecting sleeve 31 until the trigger screw 41 is loosened and the end of the trigger screw 41 away from the threaded section extends out of the connecting rod 21. A section of the threaded section of the trigger screw 41 is still engaged in the synchronous cylinder 51. Hold the trigger screw 41 and move the synchronous cylinder 51 toward the contact ring 32 in the connecting sleeve 31. At the same time, the synchronous cylinder 51 compresses the contact spring 42 until the synchronous cylinder 52 at the end away from the contact ring 32 is pulled out of the through hole.

[0065] B2. Then rotate and pull out the connecting rod 21 of the synchronization sleeve 52, and unscrew one end of the connecting rod 21 from the connecting sleeve 31;

[0066] B3. Finally, take the connecting sleeve with the connecting rod 21 out of the placement hole 3.

[0067] The embodiments of this specific implementation method are all preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A bidirectional self-locking stirring rod (2) for a multi-axis grinding machine, characterized in that: The invention comprises a connecting rod (21) which is inserted into the stirring rod (16); a striking rod (22) is fixedly sleeved outside the connecting rod (21); a placement hole (3) is provided through the stirring rod (16) along its radial direction; a connecting sleeve (31) is inserted into the placement hole (3); a first thread segment (33) and a second thread segment (35) are respectively provided at both ends of the inner side wall of the connecting sleeve (31) in the longitudinal direction; and an end of the connecting rod (21) close to the stirring rod (2) is threadedly matched with the first thread segment (33) and the second thread segment (35); The inner side wall of the connecting sleeve (31) is provided with a sliding section (34), the sliding section (34) is provided between the first thread section (33) and the second thread section (35), the sliding section (34) is provided with a synchronizing device (5) for driving the connecting rod (21) in the first thread section (33) and the second thread section (35) to rotate simultaneously, and the connecting rod (21) is provided with a trigger device (4) for controlling the operation of the synchronizing device (5); The connecting rod (21) is fixedly provided with a connecting screw sleeve (6) at one end close to the stirring rod (16) and threadedly engaged with the first thread segment (33) and the second thread segment (35); The synchronization device (5) includes a synchronization cylinder (51) slidingly inserted into the sliding section (34), synchronization sleeves (52) with polygonal cross sections are provided at both ends of the synchronization cylinder (51) in the longitudinal direction, and a synchronization hole (53) is formed at one end of the connecting screw sleeve (6) close to the stirring rod (16) and affixed to the outer wall of the synchronization sleeve (52); The trigger device (4) comprises a trigger screw (41) inserted into the connecting rod (21), the trigger screw (41) being threadedly engaged in the synchronous sleeve (52), and a resisting spring (42) being provided on the outer cover of the synchronous sleeve (52), one end of the resisting spring (42) being in contact with the end surface of the synchronous cylinder (51) and the other end being in contact with the end surface of the connecting screw sleeve (6).

2. The bidirectional self-locking stirring rod (2) for a multi-axis grinding machine according to claim 1, characterized in that: A positioning platform (62) is provided on one end of the outer side wall of the connecting screw sleeve (6) close to the connecting rod (21), and a limiting groove (63) that abuts against the positioning platform (62) is provided on the inner side wall of the connecting sleeve (31).

3. The bidirectional self-locking stirring rod (2) for a multi-axis grinding machine according to claim 2, characterized in that: A positioning groove (23) is provided on the inner side wall of the connecting screw sleeve (6) near the end of the connecting rod (21), and a positioning ring (24) is provided on the outer side wall of the connecting rod (21) near the end of the stirring rod (16) to abut against the bottom wall of the positioning groove (23).

4. The bidirectional self-locking stirring rod (2) for a multi-axis grinding machine according to claim 3, characterized in that: A welding groove (61) is provided on one side of the connecting screw sleeve (6) that contacts the positioning ring (24).

5. The bidirectional self-locking stirring rod (2) for a multi-axis grinding machine according to claim 4, characterized in that: One end of the outer wall of the connecting sleeve (31) is sleeved with a contact ring (32) that contacts the outer wall of the stirring rod (16).

6. A method for disassembling and assembling a bidirectional self-locking stirring rod (2) of a multi-axis grinding machine according to claim 5, characterized in that: The installation steps are as follows: A1. Assemble the connecting rod (21). Fix and weld the connecting screw sleeve (6) at one end of the connecting rod (21) close to the stirring rod (2). Then, insert the trigger screw (41) into the connecting rod (21). A2. Assemble the synchronous cylinder (51), sleeve the conflict spring (42) on one end of the synchronous sleeve (52), and then align the synchronous sleeve (52) with the synchronous hole (53) and insert it. Then rotate the trigger screw (41) to drive the synchronous sleeve (52) to slide into the synchronous hole (53), and at the same time, the synchronous cylinder (51) squeezes the conflict spring (42); A3, assemble the connecting sleeve (31), then screw one end of the connecting sleeve (31) with the abutment ring (32) onto the outside of the connecting screw sleeve (6), then insert the connecting sleeve (31) with the connecting rod (21) at one end into the placement hole (3), and then screw another connecting rod (21) onto the other end of the connecting sleeve (31); A4. Assemble the stirring rod (16), then rotate the trigger screw (41) near the end of the friction ring (32) to disengage the synchronous sleeve (52) from the trigger screw (41). Under the action of the friction spring (42), the synchronous sleeve (52) at the end of the synchronous cylinder (51) away from the friction ring (32) will come into contact with the other connecting screw sleeve (6). Then slightly rotate the stirring rod (2) away from the end of the friction ring (32) until the synchronous sleeve (52) away from the end of the friction ring (32) is inserted into the synchronization hole (53). A5. Finally, screw the trigger screws (41) on both ends of the synchronous cylinder (51). When the trigger screws (41) are screwed in the synchronous cylinder (51), the synchronous cylinder (51) must be kept in the connecting sleeve (31) without moving.

7. The method for disassembling and assembling the bidirectional self-locking stirring rod (2) of a multi-axis grinding machine according to claim 6, characterized in that: The disassembly steps are as follows: B1. The trigger screw (41) at any end of the connecting sleeve (31) is screwed so that the trigger screw (41) is loosened and the end of the trigger screw (41) away from the threaded section is about to extend out of the connecting rod (21). A section of the threaded section of the trigger screw (41) is still engaged in the synchronous cylinder (51). The trigger screw (41) is held so that the synchronous cylinder (51) moves toward the contact ring (32) in the connecting sleeve (31). At the same time, the synchronous cylinder (51) compresses the contact spring (42) until the synchronous sleeve (52) at the end of the synchronous cylinder (51) away from the contact ring (32) is pulled out of the through hole. B2. Then rotate and pull out the connecting rod (21) of the synchronous sleeve (52), and screw one end of the connecting rod (21) out of the connecting sleeve (31); B3. Finally, take the connecting sleeve with the connecting rod (21) out of the placement hole (3).

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