Machining and positioning tool for outer circle of spindle box
By designing a circular machining positioning tool for the spindle box including a chassis, lock frame, limit slot, limit block, positioning seat, tightening block, screw, rotating column and rotating cylinder, the problem of serious motor loss caused by unstable fixation of the spindle box in the prior art is solved, and a more stable processing process and lower motor loss are achieved.
Patent Information
- Application Number
- CN202421073406.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-05-17
AI Technical Summary
During the external circular processing of the spindle box, it is difficult for the prior art to effectively fix the spindle box, resulting in the motor being subjected to excessive load and serious losses.
A spindle box outer circular machining positioning tool is designed to fix the stability of the fixed shaft through the setting of the base frame, lock frame, limit groove and limit block; at the same time, the combination of positioning seat, tightening block, screw, rotating column and rotating cylinder is used to achieve tightening of the spindle, thereby reducing the fixing force borne by the motor.
It effectively avoids rotation and axial movement of the spindle box during processing, reduces the load and loss of the motor, and improves machining stability.
Smart Images
Figure CN222608061U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of spindle box body positioning tooling, in particular to a spindle box body outer circle machining positioning tooling. Background Art
[0002] The spindle box is an important component of the machine tool. It is used to arrange the working spindle of the machine tool and its transmission parts and corresponding additional mechanisms. The spindle box adopts multi-stage gear transmission. Through a certain transmission system, through the transmission gears and transmission shafts at various positions in the spindle box, the motion is finally transmitted to the spindle, so that the spindle obtains the specified speed and direction.
[0003] The outer circle of the spindle box body has multiple surfaces. When processing the outer circle of the spindle box body, it needs to be continuously rotated to facilitate the processing of each surface. Usually, the two ends of the spindle box body are fixed by two processing positioning tooling. A motor is installed in the positioning tooling on one side to rotate and fix the spindle box body, and then the various surfaces of the outer circle of the spindle box body are processed. Since the spindle box body has a certain weight and a large fixing force is required during processing to prevent the spindle box body from rotating, the spindle box body is limited only by starting and stopping the motor. The motor bears a large load and the loss to the motor is extremely large. Utility Model Content
[0004] The utility model aims to provide a main spindle box outer circle machining positioning tool to solve the above technical problems.
[0005] The cam is provided with a plurality of locking frames for locking the fixed shaft and the plurality of locking frames are provided with a plurality of locking frames for locking the fixed shaft through bolts. The plurality of locking frames are provided with a plurality of locking frames for locking the fixed shaft and the ...
[0006] Preferably, a limit block is fixedly provided on the inner wall of the base frame, and a limit groove for inserting the limit block is formed on the outer wall of the fixed shaft.
[0007] Preferably, a threaded groove is provided at one end of the clamping block away from the main shaft groove, a screw is threadedly connected in the threaded groove, a rotating column is fixedly connected to the screw, a rotating groove is provided through the bottom of the clamping block groove for the rotating column to pass through and is rotatably connected to the rotating column, and the rotating column is fixedly connected to the output end of the rotating cylinder.
[0008] Preferably, a bearing is rotatably provided on the inner wall of the rotating groove, the inner ring of the bearing is fixedly connected to the outer wall of the rotating column, and the abutting end of the abutting block is an arc surface that fits the outer wall of the main shaft.
[0009] Preferably, a limiting ring groove is opened on one side of the main shaft groove, the fixing sleeve on the outer wall of the main shaft is provided with a limiting ring rotatably connected to the limiting ring groove, the end face of the fixed shaft is provided with a left end cover abutting against the limiting ring, and a retaining ring for tightening the left end cover is threadedly connected on the main shaft.
[0010] Preferably, one end of the main shaft away from the left end cover is threadedly connected with a limiting nut abutting against the end face of the fixed shaft, and the end face of the fixed shaft is fixedly connected with a right end cover which limits the axial movement of the limiting nut by bolts.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: by arranging the base frame, the locking frame, the limit groove and the limit block, the fixed shaft is prevented from rotating or producing axial movement, thereby ensuring the stability of the fixed shaft fixation; by arranging the positioning seat, the clamping block, the screw, the rotating column and the rotating cylinder, the rotating cylinder controls the rotation of the rotating column and drives the screw to rotate, and the threaded connection between the screw and the thread groove enables the clamping block to slide in the clamping block groove, thereby realizing the clamping of the clamping block to the main shaft, so that the main shaft box body remains stable for processing, avoiding that the force for fixing the main shaft box body is entirely borne by the motor, thereby reducing the loss of the motor; by arranging the limit ring, the left end cover, the limit nut, the right end cover and the clamping ring, the stability of the main shaft rotation is improved, and the main shaft is prevented from producing axial movement. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0013] Figure 1 is a schematic diagram of the appearance of the rotating positioning tool and the fixed positioning tool of this embodiment;
[0014] Figure 2 is a cross-sectional view of the fixed positioning tooling of this embodiment;
[0015] Figure 3 It is an enlarged view of point A of this embodiment;
[0016] Figure 4 It is a cross-sectional view of the fixing and positioning tooling at the abutment block as viewed from the side of this embodiment.
[0017] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0018] 1. Rotating positioning tool; 2. Three-jaw self-centering chuck; 3. Fixed base; 4. Base frame; 5. Fixed shaft; 6. Locking frame; 7. Limiting groove; 8. Limiting block; 9. Spindle groove; 10. Spindle; 11. Chuck; 12. Through groove; 13. Locking shaft; 14. Locking plate; 15. Locking nut; 16. Positioning seat; 17. Clamping block groove; 18. Clamping block; 19. Threaded groove; 20. Screw; 21. Rotating groove; 22. Rotating column; 23. Rotating cylinder; 24. Bearing; 25. Limiting ring groove; 26. Limiting ring; 27. Left end cover; 28. Limiting nut; 29. Right end cover; 30. Clamping ring. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-4 The utility model provides a technical solution: a spindle box outer circle machining positioning tool, including a rotating positioning tool 1, a three-jaw self-centering chuck 2, a fixed base 3, a fixed shaft 5 and a chuck 11 arranged on the rotating positioning tool 1, a plurality of base frames 4 for placing the fixed shafts 5 are fixed on the fixed base 3, a plurality of lock frames 6 for fixing the fixed shafts 5 and fixed to the base frames 4 by bolts are arranged on the base frame 4, a spindle slot 9 is opened through the fixed shaft 5, a spindle 10 is rotatably arranged in the spindle slot 9, a chuck 11 is sleeved on the spindle 10, and the spindle 10 is opened through a through slot 1 2. A locking shaft 13 is slidably provided in the through groove 12. A locking plate 14 for pressing against the chuck 11 is fixedly provided at one end of the locking shaft 13 located outside the through groove 12. A locking nut 15 is threadedly connected to one end of the locking shaft 13 away from the pressing plate 14. A positioning seat 16 is fixedly provided on the fixed shaft 5. A pressing block groove 17 is provided in the positioning seat 16 and extends into the fixed shaft 5 to communicate with the spindle groove 9. A pressing block 18 for pressing against the spindle 10 to limit the rotation of the spindle 10 is slidably provided in the pressing block groove 17. A rotating cylinder 23 for controlling the movement of the pressing block 18 is provided on the positioning seat 16.
[0021] Specifically, a limit block 8 is fixedly provided on the inner wall of the base frame 4 , and a limit groove 7 for inserting the limit block 8 is opened on the outer wall of the fixed shaft 5 , so as to prevent the fixed shaft 5 from rotating or moving axially and ensure the stability of the fixed shaft 5 .
[0022] Specifically, a threaded groove 19 is provided at one end of the clamping block 18 away from the main shaft groove 9, and a screw 20 is threadedly connected to the threaded groove 19, and a rotating column 22 is fixedly connected to the screw 20. A rotating groove 21 is provided at the bottom of the clamping block groove 17 for the rotating column 22 to pass through and is rotatably connected to the rotating column 22. The rotating column 22 is fixedly connected to the output end of the rotating cylinder 23, and the rotating column 22 is controlled to rotate by the rotating cylinder 23 and drives the screw 20 to rotate. The threaded connection between the screw 20 and the threaded groove 19 allows the clamping block 18 to slide in the clamping block groove 17, thereby achieving the clamping of the clamping block 18 against the main shaft 10.
[0023] Specifically, a bearing 24 is rotatably provided on the inner wall of the rotating groove 21, and the inner ring of the bearing 24 is fixedly connected to the outer wall of the rotating column 22. The stability of the rotation of the rotating column 22 is improved by limiting the bearing 24. The clamping end of the clamping block 18 is an arc surface that fits the outer wall of the main shaft 10, thereby increasing the contact area between the clamping block 18 and the main shaft 10, thereby increasing the force of the clamping block 18 on the main shaft 10.
[0024] Specifically, a limiting ring groove 25 is opened on one side of the main shaft groove 9, a limiting ring 26 rotatably connected to the limiting ring groove 25 is provided on the fixed sleeve of the outer wall of the main shaft 10, a left end cover 27 abutting against the limiting ring 26 is provided on the end face of the fixed shaft 5, and a retaining ring 30 for tightening the left end cover 27 is threadedly connected on the main shaft 10. The limiting of the limiting ring 26, the left end cover 27 and the retaining ring 30 can prevent the main shaft 10 from axial movement.
[0025] Specifically, one end of the main shaft 10 away from the left end cover 27 is threadedly connected with a limiting nut 28 that is in contact with the end face of the fixed shaft 5. The end face of the fixed shaft 5 is fixedly connected with a right end cover 29 that limits the axial movement of the limiting nut 28 by bolts. The main shaft 10 is further limited by the limiting nut 28 and the right end cover 29 to prevent the main shaft 10 from axial movement.
[0026] A specific application example of this embodiment is:
[0027] When the device is in use, one end of the spindle housing is fixed to the three-jaw self-centering chuck 2, and the other end is fixed to the chuck 11. The rotating positioning tool 1 drives the three-jaw self-centering chuck 2 to rotate through the motor and drives the spindle housing to rotate (this is the prior art). The chuck 11 follows the rotation of the spindle housing and drives the spindle 10 to rotate in the spindle groove 9. When it rotates to the required processing surface, the motor stops working, and the rotation cylinder 23 is used to control the rotation of the rotating column 22 and drive the screw 20 to rotate. The screw 20 is threadedly connected to the threaded groove 19, so that the clamping block 18 slides in the clamping block groove 17, thereby realizing the clamping of the clamping block 18 to the spindle 10, so that the spindle housing can remain stable for processing, avoiding that the force for fixing the spindle housing is entirely borne by the motor, and reducing the loss of the motor.
[0028] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0029] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.
[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that modifications may be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A spindle box outer circle machining positioning tool, comprising a rotation positioning tool (1), a three-jaw self-centering chuck (2) arranged on the rotation positioning tool (1), a fixed base (3), a fixed shaft (5) and a chuck (11), characterized in that: The fixed base (3) is fixedly provided with a plurality of base frames (4) for placing fixed shafts (5); the base frames (4) are provided with a plurality of locking frames (6) for fixing the fixed shafts (5) and fixed to the base frames (4) by bolts; the fixed shaft (5) is provided with a main shaft groove (9) extending therethrough; a main shaft (10) is rotatably arranged in the main shaft groove (9); the chuck (11) is sleeved on the main shaft (10); the main shaft (10) is provided with a through groove (12) extending therethrough; a locking shaft (13) is slidably arranged in the through groove (12); one end of the locking shaft (13) located outside the through groove (12) is fixed A locking plate (14) for pressing against the chuck (11) is provided, and a locking nut (15) is threadedly connected to one end of the locking shaft (13) away from the locking plate (14). A positioning seat (16) is fixedly provided on the fixed shaft (5). A pressing block groove (17) is provided in the positioning seat (16) and extends into the fixed shaft (5) to communicate with the main shaft groove (9). A pressing block (18) for pressing against the main shaft (10) to limit the rotation of the main shaft (10) is slidably provided in the pressing block groove (17). A rotating cylinder (23) for controlling the movement of the pressing block (18) is provided on the positioning seat (16).
2. The spindle box outer circle machining positioning tool according to claim 1, characterized in that: A limit block (8) is fixedly provided on the inner wall of the base frame (4), and a limit groove (7) for inserting the limit block (8) is provided on the outer wall of the fixed shaft (5).
3. The spindle box outer circle machining positioning tool according to claim 1, characterized in that: A thread groove (19) is formed at one end of the abutting block (18) away from the main shaft groove (9); a screw rod (20) is threadedly connected to the thread groove (19); a rotating column (22) is fixedly connected to the screw rod (20); a rotating groove (21) is formed through the bottom of the abutting block groove (17) for the rotating column (22) to pass through and is rotatably connected to the rotating column (22); and the rotating column (22) is fixedly connected to the output end of the rotary cylinder (23).
4. The spindle box outer circle machining positioning tool according to claim 3, characterized in that: A bearing (24) is rotatably provided on the inner wall of the rotating groove (21); the inner ring of the bearing (24) is fixedly connected to the outer wall of the rotating column (22); and the abutting end of the abutting block (18) is an arc surface that fits the outer wall of the main shaft (10).
5. The spindle box outer circle machining positioning tool according to claim 1, characterized in that: A limiting ring groove (25) is provided on one side of the main shaft groove (9); a limiting ring (26) rotatably connected to the limiting ring groove (25) is provided on the outer wall fixing sleeve of the main shaft (10); a left end cover (27) abutting against the limiting ring (26) is provided on the end surface of the fixed shaft (5); and a retaining ring (30) for tightening against the left end cover (27) is threadedly connected to the main shaft (10).
6. The spindle box outer circle machining positioning tool according to claim 5, characterized in that: One end of the main shaft (10) away from the left end cover (27) is threadedly connected to a limit nut (28) abutting against the end surface of the fixed shaft (5), and the end surface of the fixed shaft (5) is fixedly connected to a right end cover (29) for limiting axial movement of the limit nut (28) by means of bolts.