Spindle sleeve locking mechanism

Abstract

The utility model discloses a main shaft sleeve locking mechanism which comprises a sleeve pipe, a main shaft rod is arranged in the sleeve pipe, two transmission covers are fixedly connected to the outer surface of the sleeve pipe, and driving covers are fixedly connected to the side faces, away from each other, of the two transmission covers. Driving motors are fixedly mounted on the inner side walls of the two driving covers correspondingly, bearing rings are fixedly embedded in the inner walls of the two transmission covers correspondingly, lead screws are fixedly mounted at the output ends of the two driving motors correspondingly, two sliding holes are formed in the outer surface of the sleeve pipe, and sliding blocks are slidably connected to the inner walls of the two sliding holes correspondingly; threaded grooves are formed in the outer surfaces of the two sliding blocks, and the ends, away from each other, of the two lead screws penetrate through the bearing ring and extend into the transmission cover. The main shaft sleeve locking mechanism can be provided with a structure for automatically locking the main shaft rod, the problem that the manual locking and fixing process is tedious is solved, and the locking and fixing speed of the main shaft rod is increased.

Description

Technical Field

[0001] The present application relates to the technical field of spindle components, and in particular to a spindle sleeve locking mechanism. Background Art

[0002] The spindle refers to the shaft that receives power from the engine or motor and transmits it to other parts, or it refers to the shaft on the machine tool that drives the workpiece or tool to rotate. The spindle components are usually composed of the spindle, bearings and transmission parts.

[0003] At present, a Chinese patent with the announcement number CN212834452U discloses a spindle sleeve locking mechanism, including a spindle and a sleeve, a locking hole is opened inside the sleeve in the middle of the spindle, bearings are fixedly connected to the inner wall of the sleeve on both sides, and a turntable is fixedly connected to the outer wall of the spindle corresponding to the bearing. The utility model rotates the hand wheel to move the threaded column downward, thereby driving the cylindrical block and the square block to move downward, and then the locking buckle at the bottom of the square block is plugged into the locking hole in the middle of the spindle, so as to achieve the locking effect, so that the spindle will not rotate, and the safety of the equipment is ensured. However, when the spindle inside the sleeve is locked and fixed in the above patent, it needs to be rotated manually, and there is no structure for automatic locking. The manual locking and fixing process is cumbersome, which reduces the locking and fixing speed of the spindle. Therefore, in order to solve the above problems, we provide a spindle sleeve locking mechanism. Utility Model Content

[0004] The purpose of the utility model is to provide a spindle sleeve locking mechanism to solve the problems raised in the above background technology.

[0005] The present application embodiment adopts the following technical solutions:

[0006] A spindle sleeve locking mechanism comprises a sleeve tube, a spindle rod is arranged inside the sleeve tube, two transmission covers are fixedly connected to the outer surface of the sleeve tube, the side surfaces of the two transmission covers that are away from each other are fixedly connected to drive covers, the inner side walls of the two drive covers are fixedly installed with drive motors, the inner walls of the two transmission covers are fixedly inlaid with bearing rings, the output ends of the two drive motors are fixedly installed with screws, the outer surface of the sleeve tube is provided with two sliding holes, the inner walls of the two sliding holes are slidably connected with sliding blocks, the outer surfaces of the two sliding blocks are provided with threaded grooves, the ends of the two screws that are away from each other penetrate the bearing rings and extend to the inside of the transmission cover, and the outer surfaces of the two screws are threadedly connected to the inner walls of the two threaded grooves respectively.

[0007] Preferably, outer surfaces of the two sliding blocks are fixedly connected to limit plates, and side surfaces of the two groups of limit plates that are away from each other are slidably connected to inner walls of the two transmission covers respectively.

[0008] Preferably, the inner ring of the sleeve tube is fixedly connected with a bearing ring, the outer surface of the main shaft rod is fixedly connected with a limit plate, the outer surface of the limit plate is in contact with the inner ring of the bearing ring, and the outer surface of the main shaft rod is sleeved with two sealing cover plates.

[0009] Preferably, the side surfaces of the two sealing cover plates close to each other are fixedly connected with threaded connection rings, and the outer surfaces of the two threaded connection rings are threadedly connected to the inner ring of the sleeve tube.

[0010] Preferably, the right end of the main shaft rod is fixedly connected with a connecting shaft, and the right end of the connecting shaft is provided with a connecting slot.

[0011] Preferably, the sides of the two sliding blocks that are close to each other are fixedly connected with fixed pads, and the sides of the two fixed pads that are close to each other are in close contact with the outer surface of the main shaft rod.

[0012] At least one of the above technical solutions adopted in the embodiments of the present application can achieve the following beneficial effects:

[0013] The spindle sleeve locking mechanism can install the spindle rod through the sleeve tube provided, and cooperate with the bearing ring and the limit plate to limit the spindle rod when it is installed inside the sleeve tube, so as to facilitate the installation and fixation of the spindle rod. Through the drive motor provided inside the drive cover, and the cooperation with the sliding block, the screw rod and the threaded groove inside the transmission cover, the two fixing pads can be driven to come into close contact with the surface of the spindle rod, and then a structure for automatically locking the spindle rod is provided, so as to solve the problem of cumbersome manual locking and fixing process and improve the locking and fixing speed of the spindle rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0015] Figure 1 The three-dimensional structure diagram of the front view of the main shaft sleeve locking mechanism of the utility model is as follows;

[0016] Figure 2 The utility model is a cross-sectional view of the front view of the sleeve tube in the main shaft sleeve locking mechanism;

[0017] Figure 3 The utility model is a cross-sectional view of a side view of a sleeve tube in a main shaft sleeve locking mechanism;

[0018] Figure 4 It is a sectional view of the front view of the transmission cover in the main shaft sleeve locking mechanism of the utility model.

[0019] In the figure: 1. sleeve tube; 2. main shaft rod; 3. transmission cover; 4. drive cover; 5. drive motor; 6. bearing ring; 7. screw rod; 8. sliding block; 9. threaded groove; 10. limit plate; 11. sliding hole; 12. fixing pad; 13. connecting shaft; 14. connecting slot; 15. limit plate; 16. bearing ring; 17. threaded connecting ring; 18. sealing cover plate. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in combination with the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0021] The technical solutions provided by various embodiments of the present application are described in detail below in conjunction with the accompanying drawings.

[0022] See also Figure 1-4 , the utility model provides a technical solution for the spindle sleeve locking mechanism:

[0023] A spindle sleeve locking mechanism comprises a sleeve tube 1, a spindle rod 2 is arranged inside the sleeve tube 1, two transmission covers 3 are fixedly connected to the outer surface of the sleeve tube 1, the side surfaces of the two transmission covers 3 away from each other are fixedly connected to the driving covers 4, the inner side walls of the two driving covers 4 are fixedly installed with driving motors 5, the inner walls of the two transmission covers 3 are fixedly inlaid with bearing rings 6, the output ends of the two driving motors 5 are fixedly installed with screw rods 7, the outer surface of the sleeve tube 1 is provided with two sliding holes 11, the inner walls of the two sliding holes 11 are slidably connected with sliding blocks 8, the outer surfaces of the two sliding blocks 8 are provided with threaded grooves 9, the ends of the two screw rods 7 away from each other penetrate the bearing ring 6 and extend to the inside of the transmission cover 3, the outer surfaces of the two screw rods 7 are respectively threadedly connected with the inner walls of the two threaded grooves 9, specifically, through the cooperation of the driving motor 5, the screw rod 7 and the threaded groove 9, the sliding block 8 can be driven to move, and power can be provided for the movement of the sliding block 8.

[0024] In this embodiment, the outer surfaces of the two sliding blocks 8 are fixedly connected to the limit plates 10, and the side surfaces of the two groups of limit plates 10 that are away from each other are respectively slidably connected to the inner walls of the two transmission covers 3, the inner ring of the sleeve tube 1 is fixedly connected to the bearing ring 16, and the outer surface of the main shaft rod 2 is fixedly connected to the limit disk 15, the outer surface of the limit disk 15 contacts the inner ring of the bearing ring 16, and the outer surface of the main shaft rod 2 is sleeved with two sealing cover plates 18, and the side surfaces of the two sealing cover plates 18 that are close to each other are fixedly connected to the threaded connection ring 17, and the outer surfaces of the two threaded connection rings 17 are threadedly connected to the inner ring of the sleeve tube 1; specifically, through the cooperation of the limit disk 15 and the bearing ring 16, the main shaft rod 2 can be limited when installed inside the sleeve tube 1, which will facilitate installation and fixation, and the sealing cover plate 18 and the threaded connection ring 17 can be used to seal the sleeve tube 1 and the main shaft rod 2, which can reduce the entry of dust.

[0025] In this embodiment, the right end of the main shaft rod 2 is fixedly connected with a connecting shaft 13, and a connecting slot 14 is opened at the right end of the connecting shaft 13. The side surfaces of the two sliding blocks 8 close to each other are fixedly connected with fixing pads 12, and the side surfaces of the two fixing pads 12 close to each other are in close contact with the outer surface of the main shaft rod 2; specifically, through the cooperation of the connecting shaft 13 and the connecting slot 14, it is convenient to install and fix the main shaft rod 2, and the setting of the two fixing pads 12 can enhance the locking and fixing effect of the main shaft rod 2.

[0026] Working principle: When the main shaft rod 2 inside the sleeve tube 1 is locked and fixed, the drive motor 5 is connected to the power supply, and then the two drive motors 5 are started to operate, which can drive the two screw rods 7 to rotate clockwise, so that the two screw rods 7 will be threadedly matched with the two thread grooves 9, and the sliding block 8 will slide on the surface of the screw rod 7. Then, by using the mutual approach of the two sliding blocks 8, the two fixed pads 12 will be driven to come into close contact with the surface of the main shaft rod 2, thereby completing the rapid and automatic locking of the surface of the main shaft rod 2.

[0027] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity 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, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0028] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A spindle sleeve locking mechanism, comprising a sleeve tube (1), characterized in that: A main shaft rod (2) is arranged inside the sleeve tube (1); two transmission covers (3) are fixedly connected to the outer surface of the sleeve tube (1); the side surfaces of the two transmission covers (3) that are away from each other are fixedly connected to drive covers (4); the inner side walls of the two drive covers (4) are fixedly mounted with drive motors (5); the inner walls of the two transmission covers (3) are fixedly inlaid with bearing rings (6); the output ends of the two drive motors (5) are fixedly mounted with screw rods (7); the outer surface of the sleeve tube (1) is provided with two sliding holes (11); the inner walls of the two sliding holes (11) are slidably connected with sliding blocks (8); the outer surfaces of the two sliding blocks (8) are provided with threaded grooves (9); the ends of the two screw rods (7) that are away from each other penetrate the bearing rings (6) and extend to the inside of the transmission cover (3); the outer surfaces of the two screw rods (7) are respectively threadedly connected to the inner walls of the two threaded grooves (9).

2. A spindle sleeve locking mechanism according to claim 1, characterized in that: The outer surfaces of the two sliding blocks (8) are fixedly connected to the limit plates (10), and the side surfaces of the two sets of limit plates (10) that are away from each other are respectively slidably connected to the inner walls of the two transmission covers (3).

3. A spindle sleeve locking mechanism according to claim 1, characterized in that: The inner ring of the sleeve tube (1) is fixedly connected to a bearing ring (16), the outer surface of the main shaft rod (2) is fixedly connected to a limit plate (15), the outer surface of the limit plate (15) is in contact with the inner ring of the bearing ring (16), and the outer surface of the main shaft rod (2) is sleeved with two sealing cover plates (18).

4. A spindle sleeve locking mechanism according to claim 3, characterized in that: The side surfaces of the two sealing cover plates (18) close to each other are fixedly connected with threaded connection rings (17), and the outer surfaces of the two threaded connection rings (17) are threadedly connected to the inner ring of the sleeve tube (1).

5. The spindle sleeve locking mechanism according to claim 1, characterized in that: The right end of the main shaft rod (2) is fixedly connected to a connecting shaft (13), and the right end of the connecting shaft (13) is provided with a connecting slot (14).

6. A spindle sleeve locking mechanism according to claim 1, characterized in that: The sides of the two sliding blocks (8) that are close to each other are fixedly connected with a fixing pad (12), and the sides of the two fixing pads (12) that are close to each other are in close contact with the outer surface of the main shaft rod (2).

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