Positioning tool for enhancing machining stability of motorized spindle

Abstract

The utility model discloses a positioning tool for enhancing machining stability of an electric spindle, which belongs to the technical field of electric spindles and comprises a center frame, a guide sleeve is slidably inserted into the inner side wall of the center frame, an adjusting bolt is in threaded connection with the inner side wall of the guide sleeve, and a limiting ring is fixedly connected to one side, away from the guide sleeve, of the adjusting bolt. The sides, away from the adjusting bolts, of the limiting rings are fixedly connected with connecting shafts. According to the positioning tool for enhancing the machining stability of the motorized spindle, by adjusting a rotating block, a connecting shaft drives an adjusting bolt to rotate, so that guide sleeves can be driven through the adjusting bolt, the guide sleeves stretch out and draw back in a center frame, and three sets of guide sleeves and related structures are arranged, so that the machining stability of the motorized spindle is improved. The three sets of devices are arranged on the outer side wall of the center frame in a circumferential array mode, the electric spindle can be fixed to the center of the center frame through the three sets of guide sleeves, any part of the electric spindle can be effectively fixed through the multiple center frames, and the machining stability of the electric spindle is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric spindles, and in particular relates to a positioning tool for enhancing the machining stability of an electric spindle. Background Art

[0002] With the rapid development of industrial manufacturing technology, the electric spindle, as a core component in the field of mechanical processing, has a significant impact on product quality and production efficiency due to its machining accuracy and stability. When processing the electric spindle, it is necessary to clamp and fix the electric spindle;

[0003] When the electric spindle is clamped, one end of the electric spindle is usually clamped. Due to the different lengths of the electric spindle, when the electric spindle that is too long is clamped, it is easy for the electric spindle to shake during processing, which causes the processing positioning accuracy and stability of the electric spindle to be affected by the shaking, thereby affecting the processing effect of the electric spindle;

[0004] In order to solve the above problems, the present application proposes a positioning tool for enhancing the machining stability of an electric spindle. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a positioning tool for enhancing the machining stability of an electric spindle, so as to overcome the above-mentioned technical problems existing in the existing related technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A positioning tool for enhancing the machining stability of an electric spindle comprises a center frame, an inner wall of the center frame is slidably inserted with a guide sleeve, the inner wall of the guide sleeve is threadedly connected with an adjusting bolt, a side of the adjusting bolt away from the guide sleeve is fixedly connected with a limiting ring, a side of the limiting ring away from the adjusting bolt is fixedly connected with a connecting shaft, and an outer wall of the center frame is detachably connected with a cover plate.

[0008] Preferably, a clamping column is inserted into the outer wall of the central frame, and a positioning pin is fixedly connected to one end of the clamping column away from the guide sleeve, and a sliding groove is provided on the outer wall of the guide sleeve.

[0009] By providing a clamping column, a positioning pin and a slide groove, the positioning pin drives the clamping column to be inserted into the slide groove, so that the clamping column slides inside the slide groove, thereby limiting the guide sleeve and preventing the guide sleeve from shaking during positioning.

[0010] Preferably, a rotating block is sleeved on the outer side wall of the connecting shaft, and a cylindrical pin is inserted through the inner side wall of the connecting shaft.

[0011] By setting a rotating block and a cylindrical pin, it is achieved that the rotating block is sleeved on the outer wall of the connecting shaft, and the cylindrical pin fixes the rotating block on the outer wall of the connecting shaft, so that the rotating block can be quickly disassembled and installed under the limitation of the cylindrical pin, and the connecting shaft can be driven to rotate by the rotating block.

[0012] Preferably, a connecting block is inserted into the end of the guide sleeve away from the adjusting bolt, a positioning sleeve is fixedly connected to the side of the connecting block away from the guide sleeve, a spring is fixedly connected to the inner side wall of the positioning sleeve, and a movable plate is fixedly connected to the end of the spring away from the positioning sleeve.

[0013] By setting a connecting block, a positioning sleeve, a spring and a moving plate, the connecting block is installed inside the guide sleeve, the positioning sleeve is fixed to one end of the guide sleeve through the connecting block, and the moving plate is driven by the spring to move and retract inside the positioning sleeve.

[0014] Preferably, a connecting column is fixedly connected to the center of the movable plate away from the spring, and a pad is fixedly connected to one end of the connecting column away from the movable plate.

[0015] By arranging the connection column and the pad, the pad is connected and fixed to the movable plate through the connection column, so that the pad can be telescopically moved through the limit of the movable plate.

[0016] In summary, the technical effects and advantages of the utility model are as follows: the positioning tool for enhancing the stability of the electric spindle processing, by adjusting the rotating block, the connecting shaft drives the adjusting bolt to rotate, so that the guide sleeve can be driven by the adjusting bolt to make the guide sleeve telescopically move inside the center frame, and the guide sleeve and its related structures are arranged in three groups, and the three groups of devices are arranged in a circular array on the outer wall of the center frame, so that the three groups of guide sleeves can fix the electric spindle at the center of the center frame, and any part of the electric spindle can be effectively fixed by multiple center frames, thereby increasing the stability of the electric spindle processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the guide sleeve of the utility model and its related structures;

[0019] Figure 3 This is a schematic diagram of the utility model cylindrical pin and its related structure;

[0020] Figure 4 This is a schematic diagram of the pad of the utility model and its related structures.

[0021] In the figure: 1. center frame; 2. guide sleeve; 3. adjusting bolt; 4. limiting ring; 5. connecting shaft; 6. cover plate; 7. rotating block; 8. cylindrical pin; 9. clamping column; 10. positioning pin; 11. slide groove; 12. connecting block; 13. positioning sleeve; 14. spring; 15. moving plate; 16. connecting column; 17. pad. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-3 , a positioning tool for enhancing the machining stability of an electric spindle, comprising a center frame 1, a guide sleeve 2 is slidably inserted on the inner side wall of the center frame 1, an adjusting bolt 3 is threadedly connected to the inner side wall of the guide sleeve 2, and the outer side wall of the adjusting bolt 3 is threadedly connected to the inner side wall of the guide sleeve 2, so that the adjusting bolt 3 can drive the guide sleeve 2 to telescopically move inside the center frame 1, a limiting ring 4 is fixedly connected to the side of the adjusting bolt 3 away from the guide sleeve 2, a connecting shaft 5 is fixedly connected to the side of the limiting ring 4 away from the adjusting bolt 3, and a cover plate 6 is detachably connected to the outer side wall of the center frame 1, the limiting ring 4 can be fixed to the outer side wall of the center frame 1 through the cover plate 6, so that the limiting ring 4 can be limited inside the cover plate 6, and the limiting ring 4 can be rotated inside the cover plate 6, and the adjusting bolt 3 can be driven to rotate through the connecting shaft 5, so that the guide sleeve 2 can telescopically move inside the center frame 1.

[0024] Reference Figure 2 A card column 9 is inserted into the outer wall of the center frame 1, and a positioning pin 10 is fixedly connected to the end of the card column 9 away from the guide sleeve 2. A slide groove 11 is opened on the outer wall of the guide sleeve 2, and a positioning hole is opened on the outer wall of the center frame 1. The inner wall of the positioning hole is adapted to the outer wall of the card column 9. The card column 9 is driven to insert into the interior of the positioning hole through the positioning pin 10, and the end of the card column 9 away from the positioning pin 10 is inserted into the slide groove 11 opened on the outer wall of the guide sleeve 2, so that the guide sleeve 2 can be limited by the card column 9 to prevent the guide sleeve 2 from falling off when it moves inside the center frame 1.

[0025] Reference Figure 3 The outer wall of the connecting shaft 5 is sleeved with a rotating block 7, and the inner wall of the connecting shaft 5 is penetrated with a cylindrical pin 8. By sleeved the rotating block 7 on the outer wall of the connecting shaft 5, and the outer walls of the connecting shaft 5 and the rotating block 7 are penetrated with a cylindrical pin 8, the rotating block 7 can be quickly disassembled and installed through the cylindrical pin 8, so that the rotating block 7 can drive the connecting shaft 5 to rotate.

[0026] Reference Figure 4A connecting block 12 is inserted into the end of the guide sleeve 2 away from the adjusting bolt 3, and a positioning sleeve 13 is fixedly connected to the side of the connecting block 12 away from the guide sleeve 2. A spring 14 is fixedly connected to the inner side wall of the positioning sleeve 13, and a movable plate 15 is fixedly connected to the end of the spring 14 away from the positioning sleeve 13. The positioning sleeve 13 is driven by the connecting block 12 to be inserted into the end of the guide sleeve 2 away from the adjusting bolt 3, so that the positioning sleeve 13 can move telescopically with the guide sleeve 2, and a telescopic groove is opened inside the positioning sleeve 13, and the movable plate 15 is driven by the spring 14 to telescope inside the telescopic groove.

[0027] Reference Figure 4 A connecting column 16 is fixedly connected to the center of the side of the movable plate 15 away from the spring 14, and a pad 17 is fixedly connected to the end of the connecting column 16 away from the movable plate 15. The movable plate 15 is connected to the pad 17 through the connecting column 16, so that the pad 17 can be extended and retracted under the limit of the movable plate 15, and the extension and retraction range of the pad 17 can be limited by the movable plate 15. By fitting and fixing the pad 17 to the electric spindle, the pad 17 can limit and fix the electric spindle while protecting the electric spindle to avoid damage to the electric spindle due to extrusion.

[0028] Working principle: by splicing the adjusting bolt 3 with the guide sleeve 2, the guide sleeve 2 is inserted into the interior of the center frame 1, and the slide groove 11 is aligned with the positioning hole, and the cover plate 6 is passed through the connecting shaft 5 and fixed to the center frame 1, so as to limit the limit ring 4, and the rotating block 7 is detachably connected to the outer wall of the connecting shaft 5 through the cylindrical pin 8, so that the rotating block 7 can drive the adjusting bolt 3 to rotate inside the center frame 1, so that the guide sleeve 2 can be telescopically moved inside the center frame 1 under the rotation of the adjusting bolt 3, and the positioning pin 10 drives the clamping column 9 to be inserted into the interior of the slide groove 11 for limiting, and the guide sleeve 2 with three groups of different angles moves toward the center of the center frame 1, and contacts with the electric spindle through the pad 17. As the guide sleeve 2 moves, the pad 17 clamps and fixes the electric spindle, and the spring 14 can reduce the pressure of the pad 17 on the electric spindle, so as to avoid damage to the electric spindle when the pad 17 is clamped and fixed, so that the electric spindle can be fixed at the inner center of the center frame 1.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning tool for enhancing the machining stability of an electric spindle, comprising a center frame (1), characterized in that: A guide sleeve (2) is slidably inserted into the inner wall of the center frame (1); an adjusting bolt (3) is threadedly connected to the inner wall of the guide sleeve (2); a side of the adjusting bolt (3) away from the guide sleeve (2) is fixedly connected to a limiting ring (4); a side of the limiting ring (4) away from the adjusting bolt (3) is fixedly connected to a connecting shaft (5); and a cover plate (6) is detachably connected to the outer wall of the center frame (1).

2. A positioning tool for enhancing the machining stability of an electric spindle according to claim 1, characterized in that: A clamping column (9) is inserted into the outer wall of the center frame (1), and a positioning pin (10) is fixedly connected to one end of the clamping column (9) away from the guide sleeve (2), and a sliding groove (11) is provided on the outer wall of the guide sleeve (2).

3. The positioning tool for enhancing the machining stability of the electric spindle according to claim 1, characterized in that: A rotating block (7) is sleeved on the outer side wall of the connecting shaft (5), and a cylindrical pin (8) is inserted through the inner side wall of the connecting shaft (5).

4. The positioning tool for enhancing the machining stability of the electric spindle according to claim 1, characterized in that: A connecting block (12) is inserted into the end of the guide sleeve (2) away from the adjusting bolt (3); a positioning sleeve (13) is fixedly connected to the side of the connecting block (12) away from the guide sleeve (2); a spring (14) is fixedly connected to the inner side wall of the positioning sleeve (13); and a movable plate (15) is fixedly connected to the end of the spring (14) away from the positioning sleeve (13).

5. The positioning tool for enhancing the machining stability of the electric spindle according to claim 4, characterized in that: A connecting column (16) is fixedly connected to the center of the side of the movable plate (15) away from the spring (14), and a pad (17) is fixedly connected to one end of the connecting column (16) away from the movable plate (15).

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