Spindle box of numerical control boring and milling machine
By using motor and lead screw design in the spindle box of CNC milling and boring machine, flexible adjustment of the spindle box angle and position is achieved, and the problem of difficult to change the horizontal inclination angle of the spindle box is solved, and machining efficiency and convenience are improved.
Patent Information
- Application Number
- CN202420971965.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-07
AI Technical Summary
In CNC milling and boring machines, the horizontal inclination angle of the spindle box is difficult to change, which affects the oblique machining efficiency of the workpiece.
By installing a motor in the spindle box to adjust the angle of the drive disc, combined with the design of the lead screw and telescopic sleeve, the angle, height and position of the spindle box can be adjusted flexibly, and the angle, height and depth of the spindle box can be accurately controlled.
It improves the machining efficiency and convenience of CNC milling and boring machines, and enhances the flexibility of machining angle and position of workpieces.
Smart Images
Figure CN222307995U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical processing, in particular to a spindle box of a numerically controlled milling and boring machine. Background Art
[0002] CNC milling and boring machine is a kind of equipment used in the field of mechanical engineering. Among them, the horizontal milling and boring machine is a universal machine tool with a high degree of automation. After major improvements, it has the characteristics of advanced structure and superior performance.
[0003] In a CNC milling and boring machine, the spindle box controls the rotation of the processing device, which generates cutting force after the rotation of the processing device, and then the processing device can process the workpiece. In a horizontal CNC milling and boring machine, the workpiece can be processed from the front by pushing the CNC milling and boring machine forward and backward and up and down. However, when processing the workpiece, it is necessary to turn an oblique hole inside the workpiece, which makes it difficult to change the horizontal inclination angle of the spindle box, which in turn affects the oblique processing efficiency of the workpiece. For this reason, we proposed a spindle box for a CNC milling and boring machine. Utility Model Content
[0004] In view of the shortcomings of the existing CNC milling and boring machine spindle boxes, the utility model provides a CNC milling and boring machine spindle box, which has the advantages of starting a motor, which drives the motor to adjust the angle of the disc, and then changing the processing direction of the spindle box, thereby improving the processing efficiency of the equipment, and solves the problems raised in the above background technology.
[0005] The utility model provides the following technical solutions: a spindle box of a CNC milling and boring machine comprises a spindle box jacket, the inner movably sleeve of the spindle box jacket is connected with a disc, the outer part of the disc is fixedly connected with a positioning track, the inner side of the disc is movably sleeved with a telescopic sleeve, the inner movably sleeved with the spindle box, heat dissipation plates are installed on both sides of the spindle box, a rotating shaft is installed inside the spindle box, the outer part of the rotating shaft is fixedly connected with a positioning sleeve, the outer part of the positioning sleeve is sleeved with a bearing, one end of the outer part of the rotating shaft is fixedly connected with a first gear, the side surface of the spindle box jacket is fixedly connected with a side positioning plate, the side surface of the side positioning plate is installed with a motor, the outer part of the first gear is sleeved with a rack chain, the upper end of the rack chain is installed with a second gear, and the front end of the spindle box is threadedly connected with a front sealing sleeve located on the outer side of the rotating shaft.
[0006] Preferably, the spindle box jacket is circular, and a positioning track installed on the outside of the disc is movably sleeved inside the spindle box jacket.
[0007] Preferably, the motor is connected to the middle portion of the side surface of the disc, and the front end of the disc has an opening.
[0008] Preferably, a lead screw is installed inside the disc, and the lead screw and the telescopic sleeve are meshed and connected with each other.
[0009] Preferably, the spindle box is movably sleeved inside the telescopic sleeve, and a lead screw is installed inside the telescopic sleeve.
[0010] Preferably, the positioning sleeve and the bearing are installed between the main spindle box and the rotating shaft, and the positioning sleeve and the bearing are installed at the front and rear ends of the rotating shaft.
[0011] Preferably, a rotating rod is installed inside the second gear and extends to the outside of the main spindle box, and a motor is installed at one end of the main spindle box.
[0012] Compared with the existing CNC milling and boring machine spindle box, the utility model has the following beneficial effects:
[0013] 1. The CNC milling and boring machine spindle box starts the motor, which drives the disc to adjust the angle inside the spindle box jacket, and then adjusts the angle of the rotating shaft. When processing the workpiece, it is convenient to adjust the processing angle of the spindle box, thereby improving the convenience of equipment processing.
[0014] 2. The spindle box of the CNC milling and boring machine can drive the height and front and rear position of the spindle box to be adjusted by starting the disc and the lead screw installed inside the telescopic sleeve, and then control the orientation of the rotating shaft to adjust, thereby improving the convenience of adjusting the processing orientation of the milling and boring machine. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the main body of the utility model;
[0017] Figure 3 This is a schematic diagram of the side cross-sectional structure of the main body of the utility model;
[0018] Figure 4 This is a schematic diagram of the main structure of the spindle box of the utility model;
[0019] Figure 5 This is an enlarged structural diagram of point A of the utility model.
[0020] In the figure: 1. spindle box jacket; 2. side positioning plate; 3. motor; 4. disc; 5. positioning track; 6. telescopic sleeve; 7. spindle box; 8. heat sink; 9. rotating shaft; 10. positioning sleeve; 11. bearing; 12. first gear; 13. rack chain; 14. second gear; 15. front sealing sleeve. DETAILED DESCRIPTION
[0021] 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 in 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.
[0022] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A spindle box of a CNC milling and boring machine comprises a spindle box jacket 1, a disc 4 is movably sleeved inside the spindle box jacket 1, a lead screw installed inside the start disc 4 is driven by the lead screw to adjust the height of a telescopic sleeve 6, a positioning track 5 is fixedly connected to the outside of the disc 4, the positioning track 5 is sleeved inside the spindle box jacket 1, and the stability of the disc 4 when rotating inside the spindle box jacket 1 is adjusted, a telescopic sleeve 6 is movably sleeved inside the disc 4, a spindle box 7 drives the position of the spindle box 7 to be adjusted forward and backward, a spindle box 7 is movably sleeved inside the telescopic sleeve 6, heat dissipation plates 8 are installed on both sides of the spindle box 7, a rotating shaft 9 is installed inside the spindle box 7, a positioning sleeve 10 is fixedly connected to the outside of the rotating shaft 9, and a bearing 11 is sleeved outside the positioning sleeve 10 The bearing 11 reduces the friction force when the rotating shaft 9 rotates. A first gear 12 is fixedly connected to one end of the outer side of the rotating shaft 9. A side positioning plate 2 is fixedly connected to the side of the spindle box jacket 1. A motor 3 is installed on the side of the side positioning plate 2. The motor 3 is started, and the motor 3 drives the angle of the disc 4 to be adjusted. A rack chain 13 is sleeved on the outer side of the first gear 12. A second gear 14 is installed inside the upper end of the rack chain 13. The motor installed at one end of the second gear 14 is started, and the motor drives the rack chain 13 to rotate, and then the rack chain 13 drives the first gear 12 to rotate synchronously. The front end of the spindle box 7 is located on the outer side of the rotating shaft 9 and is threadedly connected to a front sealing sleeve 15. The front sealing sleeve 15 drives the rotating shaft 9 to maintain stability in the installation position inside the spindle box 7.
[0023] See also Figure 2 The spindle box jacket 1 is circular, and the positioning track 5 installed on the outside of the disc 4 is movably sleeved inside the spindle box jacket 1. The disc 4 is circular and is installed inside the spindle box jacket 1, so that the angle of the disc 4 inside the spindle box jacket 1 can be adjusted, and the stability of the disc 4 during position adjustment is ensured.
[0024] See also Figure 1 The motor 3 is connected to the middle of the side of the disc 4, and the front end of the disc 4 has an opening. By starting the motor 3, the motor 3 drives the disc 4 to rotate. After the angle of the disc 4 is changed, the processing angle of the rotating shaft 9 can be adjusted.
[0025] See also Figure 1 A lead screw is installed inside the disc 4, and the lead screw and the telescopic sleeve 6 are meshed and connected with each other. By starting the lead screw installed inside the disc 4, the lead screw and the telescopic sleeve 6 are meshed and moved, and the height of the rotating shaft 9 can be driven to be adjusted.
[0026] See also Figure 1 The spindle box 7 is movably sleeved inside the telescopic sleeve 6, and a lead screw is installed inside the telescopic sleeve 6. By starting the lead screw installed inside the telescopic sleeve 6, a threaded movement is performed between the lead screw and the spindle box 7, and then the position of the spindle box 7 inside the telescopic sleeve 6 can be adjusted to facilitate the adjustment of the processing depth of the spindle box.
[0027] See also Figure 2 The locating sleeve 10 and the bearing 11 are installed between the main spindle box 7 and the rotating shaft 9. The locating sleeve 10 and the bearing 11 are installed at the front and rear ends of the rotating shaft 9. The locating sleeve 10 and the bearing 11 are installed between the main spindle box 7 and the rotating shaft 9. The bearing 11 can reduce the friction force when the rotating shaft 9 rotates.
[0028] See also Figure 5 A rotating rod is installed inside the second gear 14 and extends to the outside of the spindle box 7. At the same time, a motor is installed at one end of the spindle box 7, which is connected to the outside of the first gear 12 and the second gear 14 through a rack chain 13. At the same time, the motor installed on one side of the second gear 14 is started, and the motor drives the second gear 14 to rotate, and then drives the rotating shaft 9 to rotate. Through the rotation of the rotating shaft 9, the material can be driven for processing.
[0029] Working principle: When in use, adjust the position of the workpiece, drive the workpiece to move to the front end of the rotating shaft 9, and start the motor installed at one end of the second gear 14 at the same time. At the same time, the second gear 14 drives the rotating shaft 9 to rotate, and the rotating shaft 9 drives the processing device to process the workpiece. At the same time, start the disc 4 and the lead screw installed inside the telescopic sleeve 6 to drive the height processing height and depth of the rotating shaft 9 to be adjusted. At the same time, start the motor 3, and the motor 3 drives the disc 4 to rotate. When the disc 4 rotates, the disc 4 drives the processing angle of the rotating shaft 9 to be adjusted, and drives the processing angle of the rotating shaft 9 to be regulated.
[0030] 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 spindle box for a CNC milling and boring machine, comprising a spindle box jacket (1), wherein a disc (4) is movably sleeved inside the spindle box jacket (1), a positioning track (5) is fixedly connected to the outside of the disc (4), a telescopic sleeve (6) is movably sleeved inside the disc (4), and a spindle box (7) is movably sleeved inside the telescopic sleeve (6), wherein: Heat dissipation plates (8) are installed on both sides of the spindle box (7), a rotating shaft (9) is installed inside the spindle box (7), a positioning sleeve (10) is fixedly connected to the outside of the rotating shaft (9), the outside of the positioning sleeve (10) is sleeved with a bearing (11), one end of the outside of the rotating shaft (9) is fixedly connected to a first gear (12), the side of the spindle box jacket (1) is fixedly connected to a side positioning plate (2), the side of the side positioning plate (2) is installed with a motor (3), the outside of the first gear (12) is sleeved with a rack chain (13), the upper end of the rack chain (13) is installed with a second gear (14), and the front end of the spindle box (7) is threadedly connected to the outside of the rotating shaft (9).
2. The CNC milling and boring machine headstock according to claim 1, characterized in that: The spindle box jacket (1) is circular, and a positioning track (5) installed outside the disc (4) is movably sleeved inside the spindle box jacket (1).
3. The spindle box of a CNC milling and boring machine according to claim 1, characterized in that: The motor (3) is connected to the middle part of the side of the disc (4), and the front end of the disc (4) has an opening.
4. The spindle box of a CNC milling and boring machine according to claim 1, characterized in that: A lead screw is installed inside the disc (4), and the lead screw and the telescopic sleeve (6) are meshed and connected with each other.
5. The spindle box of a CNC milling and boring machine according to claim 1, characterized in that: The main spindle box (7) is movably sleeved inside the telescopic sleeve (6), and a lead screw is installed inside the telescopic sleeve (6).
6. The CNC milling and boring machine headstock according to claim 1, characterized in that: The positioning sleeve (10) and the bearing (11) are installed between the main spindle box (7) and the rotating shaft (9), and the positioning sleeve (10) and the bearing (11) are installed at the front and rear ends of the rotating shaft (9).
7. The spindle box of a CNC milling and boring machine according to claim 1, characterized in that: A rotating rod is installed inside the second gear (14) and extends to the outside of the main spindle box (7), and a motor is installed at one end of the main spindle box (7).