Liftable headstock
By using a height-adjustable headstock design, combined with gears and pulleys to connect asynchronous motors and servo motors, the high cost and complexity of existing lathe headstocks are solved, enabling efficient switching between ordinary turning pins and precise thread engraving, reducing costs and saving space.
Patent Information
- Application Number
- CN202422995273.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Existing lathe headstocks require high-power servo motors or gearboxes, which increases costs and equipment complexity, and cannot efficiently meet the needs of both ordinary turning and engraving threads.
It adopts a height-adjustable headstock design, connecting the asynchronous motor and servo motor through gears and pulleys. The lifting mechanism realizes the raising and lowering of the spindle. By combining the use of asynchronous and servo motors, it can switch between ordinary turning pins and precision engraving threads.
It reduces costs, saves installation space, and can efficiently complete the processing of ordinary machine pins and precision engraved threads, improving the flexibility and efficiency of the equipment.
Smart Images
Figure CN223802740U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lathe equipment technical field especially relates to a liftable headstock. BACKGROUND
[0002] The lathe is often used in wood processing, and the headstock is an important part of the lathe, mainly installing the spindle, and then the spindle is connected with the tool head and the driving mechanism, in order to make the tool head carve the thread while rotating, the spindle is directly connected with the servo motor or the gearbox, the servo motor needs high power, which increases the cost, and the use of the gearbox increases the complexity and cost of the equipment. CONTENT OF THE UTILITY MODEL
[0003] The utility model mainly solves the technical problem in the above background art, and provides a liftable headstock.
[0004] In order to realize the above object, the utility model adopts the following technical scheme, a liftable headstock, including the box, the box is rotatably installed with the spindle through the bearing assembly, the spindle is installed with the tool head, the spindle is fixed with the gear one and the belt pulley one on the side away from the tool head, the belt pulley one is connected with the belt pulley two through the belt, the belt pulley two is fixedly connected with the asynchronous motor, the gear one is engaged with the gear two, the gear two is fixedly connected with the servo motor, the servo motor is fixedly connected with the lifting plate, and the lifting plate is connected with the lifting mechanism.
[0005] As a preferred, the lifting mechanism includes a sliding block fixed on the lifting plate, the sliding block is connected with a sliding rail, the sliding rail is fixedly connected with a mounting plate, the mounting plate is fixed on the side wall of the box, a lifting cylinder is fixed on the mounting plate, the piston rod end of the lifting cylinder is fixed with the lifting plate, the sliding block is driven to lift along the sliding rail through the extension and contraction of the lifting cylinder, the engagement of the gear one and the gear two is completed, and the lifting is more stable.
[0006] As a preferred, the mounting plate is provided with an adjusting hole in the vertical direction, the adjusting hole is provided with a fastening bolt for fixing the mounting plate on the outer wall of the box, so that the initial position of the mounting plate can be conveniently adjusted.
[0007] As a preferred, the side wall of the box near the gear two is provided with a lifting avoiding opening, and the servo motor is arranged in the lifting avoiding opening, so that the servo motor can be installed into the inner cavity of the box through the lifting avoiding opening, and the installation space is saved.
[0008] As a preferred, the top and the bottom of the box are provided with openings communicating with the inner cavity thereof, the top of the box is provided with a closing plate closing the top opening, so that the closing plate can be conveniently opened to maintain the components in the box.
[0009] As a preferred option, the bottom of the front and rear side walls of the enclosure is fixed with connecting flanges, and locking bolts are provided on the connecting flanges to facilitate the fixing of the enclosure.
[0010] As an preferred option, the bottom of the enclosure is provided with a positioning groove, which can quickly engage with the positioning ribs on the base frame for quick positioning and easy installation. Reinforcing ribs are fixed on the front and rear inner walls of the enclosure, making the structure of the enclosure more stable.
[0011] As a preferred embodiment, a cooling air inlet pipe is fixed on the closed plate, which connects to its inner cavity. Inside the cooling air inlet pipe, a partition plate is fixed to divide it into two parts. The bottom of the partition plate is provided with a guide plate facing the bearing assemblies on the left and right sides, which can guide the cooling air to the bearing assemblies for cooling and prevent the temperature from getting too high.
[0012] This utility model has the following beneficial effects:
[0013] By setting a gear one and a pulley one on the spindle, with gear one connected to a servo motor that can be raised and lowered via gear two, and pulley one connected to an asynchronous motor via a belt and pulley two, the spindle can be driven by the asynchronous motor to perform ordinary turning work, or the spindle can be driven by the servo motor to perform precise rotation to complete the engraving of threads, thereby reducing costs and saving installation space. Attached Figure Description
[0014] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.
[0015] The structures, proportions, sizes, etc. disclosed in this specification are only used to complement the content disclosed in the specification for those skilled in the art to understand and read, and are not intended to limit the conditions under which this utility model can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.
[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;
[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;
[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention.Figure 3 ;
[0019] Figure 4 This is a schematic diagram of the rear view structure of this utility model;
[0020] Figure 5 This is a cross-sectional structural diagram of another embodiment of the present invention.
[0021] Legend: 1. Cutting head; 2. Housing; 3. Bearing assembly; 4. Servo motor; 5. Lifting clearance port; 6. Connecting flange; 7. Mounting plate; 8. Lifting cylinder; 9. Adjustment hole; 10. Lifting plate; 11. Gear 2; 12. Gear 1; 13. Belt pulley 1; 14. Main shaft; 15. Sealing plate; 16. Slider; 17. Slide rail; 18. Opening; 19. Positioning groove; 20. Reinforcing rib; 21. Cooling air inlet pipe; 22. Partition plate. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Example 1: As Figure 1 -to Figure 4 This utility model is a height-adjustable headboard box, including a box body 2. A main shaft 14 is rotatably mounted on the box body 2 via a bearing assembly 3. A cutter head 1 is mounted on the main shaft 14. A gear 12 and a pulley 13 are fixed at the end of the main shaft 14 away from the cutter head 1. The pulley 13 is connected to a pulley 2 via a belt. The pulley 2 is fixedly connected to an asynchronous motor. The gear 12 meshes with a gear 2 11. The gear 2 11 is fixedly connected to a servo motor 4. The servo motor 4 is fixedly connected to a lifting plate 10. The lifting plate 10 is connected to a lifting mechanism.
[0024] During normal turning operations, the lifting mechanism lowers the lifting plate 10, causing gear 2 11 to disengage from gear 12. At this time, the asynchronous motor starts, driving the main shaft 14 to rotate via pulley 2, belt, and pulley 13 to turn the wood. When thread carving is required, the asynchronous motor stops working, and the lifting mechanism raises the lifting plate 10, causing gear 2 11 to mesh with gear 12. This allows for precise control of the rotation of the main shaft 14 to carve threads.
[0025] In the embodiment two, on the basis of the embodiment one, the lifting mechanism comprises a sliding block 16 fixed on the lifting plate 10, the sliding block 16 is connected with a sliding rail 17, the sliding rail 17 is fixedly connected with a mounting plate 7, the mounting plate 7 is fixed on the side wall of the box body 2, the mounting plate 7 is fixed with the lifting cylinder 8, and the piston rod end of the lifting cylinder 8 is fixed with the lifting plate 10.
[0026] The mounting plate 7 is provided with an adjusting hole 9 in the vertical direction, and the adjusting hole 9 is provided with a fastening bolt for fixing the mounting plate 7 on the outer wall of the box body 2. After the lifting cylinder 8, the sliding rail 17, the sliding block 16 and the lifting plate 10 are installed on the mounting plate 7, the fastening bolt can be loosened, the height of the mounting plate 7 is adjusted, and the initial height of the gear two 11 is adjusted.
[0027] The side wall of the box body 2 close to the gear two 11 is provided with a lifting avoiding hole 5, and the servo motor 4 is arranged in the lifting avoiding hole 5.
[0028] The top and bottom of the box body 2 are provided with an opening 18 communicating with the inner cavity thereof, and the top of the box body 2 is provided with a closing plate 15 closing the top opening 18.
[0029] The bottom of the front and rear side walls of the box body 2 is fixed with a connecting flange 6, and the connecting flange 6 is provided with a locking bolt.
[0030] The bottom of the box body 2 is provided with a positioning groove 19, and the front and rear inner walls of the box body 2 are fixed with a reinforcing rib 20.
[0031] As shown in the embodiment three, Figure 5 The closing plate 15 is fixed with a cooling air inlet pipe 21 communicating with the inner cavity thereof, the cooling air inlet pipe 21 is fixed with a partition plate 22 dividing the cooling air inlet pipe 21 into two parts, and the bottom of the partition plate 22 is provided with a wind guide inclined plate facing the left and right bearing assemblies 3. The cooling air inlet pipe 21 is connected with a cooling fan through a wind conveying hose, the wind blown by the cooling fan can enter the cooling air inlet pipe 21, then be divided into two parts by the partition plate 22, then the two parts of wind are guided by the wind guide inclined plate and blown to the bearing assemblies 3, so that the bearing assemblies 3 can be air-cooled and cooled, and then the wind is discharged from the bottom opening 18 and the lifting avoiding hole 5 of the box body 2.
[0032] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model. The utility model falls within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A lifting headstock, comprising a box (2), a main shaft (14) is rotatably installed on the box (2) through a bearing assembly (3), and a tool bit (1) is installed on the main shaft (14), characterized in that: The main shaft (14) is fixed with gear one (12) and belt pulley one (13) at the end away from the tool bit (1), the belt pulley one (13) is connected with belt pulley two through the belt, the belt pulley two is fixedly connected with the asynchronous motor, the gear one (12) is engaged with gear two (11), the gear two (11) is fixedly connected with the servo motor (4), the servo motor (4) is fixedly connected with the lifting plate (10), and the lifting plate (10) is connected with the lifting mechanism.
2. A liftable head tank according to claim 1, characterized in that: The lifting mechanism includes the sliding block (16) fixed on the lifting plate (10), the sliding block (16) is connected with the slide rail (17), the slide rail (17) is fixedly connected with the mounting plate (7), the mounting plate (7) is fixed on the side wall of the box body (2), the mounting plate (7) is fixed with the lifting cylinder (8), and the piston rod end of the lifting cylinder (8) is fixed with the lifting plate (10).
3. A liftable head tank according to claim 2, characterized in that: The mounting plate (7) is provided with a strip-shaped adjusting hole (9) in the vertical direction, and the adjusting hole (9) is provided with a fastening bolt for fixing the mounting plate (7) on the outer wall of the box body (2).
4. The liftable head tank of claim 1, wherein: The side wall of the box body (2) near the gear two (11) is provided with a lifting avoiding opening (5), and the servo motor (4) is arranged in the lifting avoiding opening (5).
5. The liftable head unit of claim 1, wherein: The top and bottom of the box body (2) are provided with openings (18) communicating with the inner cavities thereof, and the top of the box body (2) is provided with a closing plate (15) closing the top opening (18).
6. The liftable head unit of claim 1, wherein: The bottom of the front and rear side walls of the box body (2) is fixed with a connecting flange (6), and the connecting flange (6) is provided with a locking bolt.
7. The liftable headwall of claim 1, wherein: The bottom of the box body (2) is provided with a positioning groove (19), and the front and rear inner walls of the box body (2) are fixed with reinforcing ribs (20).
8. A liftable head tank according to claim 5, characterized in that: The closing plate (15) is fixed with a cooling air inlet pipe (21) communicating with the inner cavity thereof, the cooling air inlet pipe (21) is fixed with a partition plate (22) dividing it into two parts, and the bottom of the partition plate (22) is provided with a wind guide inclined plate facing the left and right bearing assemblies (3).