Main shaft driving structure of processing machine tool
By introducing lubrication, drive, and protection structures into the spindle drive structure of a machine tool, the problems of high noise and dust ingress caused by inconvenient lubrication are solved, improving the applicability, convenience, and sealing of the spindle drive structure.
Patent Information
- Application Number
- CN202520114682.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-17
AI Technical Summary
The spindle drive structure of existing machine tools is inconvenient to lubricate during use, resulting in high friction between gears, high noise, and affecting applicability and efficiency.
A spindle drive structure including a lubrication structure, a drive mechanism, and a protective structure was designed. The lubrication structure enables convenient lubrication, the drive mechanism improves transmission convenience, and the protective structure improves sealing performance and reduces noise and dust ingress.
The lubrication structure reduces gear noise, improves the applicability and convenience of the spindle drive structure, enhances transmission efficiency through the drive mechanism, and maintains a tight seal through the protective structure to prevent dust from entering, thereby improving overall performance.
Smart Images

Figure CN223848108U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to processing machine tool technical field especially relates to a main shaft drive structure of processing machine tool. BACKGROUND
[0002] Machine tool main shaft refers to the shaft that drives workpiece or tool rotation on machine tool, is mainly used to support transmission parts such as gear, pulley in machine, transmits movement and torque, some are used to clamp workpiece, the movement accuracy and structural rigidity of main shaft component are important factors to determine processing quality and cutting efficiency, therefore will use a main shaft drive structure of processing machine tool;
[0003] The main shaft drive structure of existing processing machine tool is inconvenient to lubricate when in use, is inconvenient to reduce the friction between gears, leads to inconveniently reduce the noise of gear when running, makes its applicability low when in use. UTILITY MODEL CONTENTS
[0004] The utility model discloses a main shaft drive structure of processing machine tool to solve the defect that the main shaft drive structure of existing processing machine tool is inconvenient to lubricate.
[0005] In order to solve the above technical problem, the utility model provides the following technical scheme: a main shaft drive structure of processing machine tool, including mounting seat and mounting hole,
[0006] The both ends of the bottom of mounting seat are penetrated with mounting hole, and the one side of the top of mounting seat is embedded with bearing, the inside of bearing is penetrated with shaft body, the outer wall of the one end mounting seat of shaft body is fixed with shell cover, and the outside of the other end of shaft body is provided with protection structure.
[0007] The inside of shell cover is provided with driving mechanism.
[0008] The top of shell cover is provided with lubricating structure, and the lubricating structure includes cover plate, oil injection pipe, clamping groove, clamping block, reserved slot and elastic rope, the top of oil injection pipe penetrates the top of shell cover, the top of oil injection pipe is provided with cover plate, the inside of the both sides of shell cover of oil injection pipe is provided with clamping groove, the inside of clamping groove is provided with clamping block, the inside of clamping block is provided with reserved slot, and the side of cover plate is fixed with elastic rope.
[0009] When using the device, the lubricating function of the device is realized by the lubricating structure, thereby improving the applicability of the main shaft drive structure of the processing machine tool when in use, the transmission function of the device is realized by the driving mechanism, thereby improving the convenience of the main shaft drive structure of the processing machine tool when in use, and the sealing function of the device is realized by the protection structure, thereby improving the sealing property of the main shaft drive structure of the processing machine tool when in use.
[0010] Preferably, the drive mechanism includes a driven gear, a driving gear, and a drive motor. The driven gear is disposed on one side inside the housing, and the driving gear is meshed with one side of the driven gear. The drive motor is mounted on the outer wall of the housing at one end of the driving gear.
[0011] Preferably, one end of the driven gear extends into the interior of the housing and forms a rotating structure with the housing; the other end of the driven gear is fixedly connected to one end of the shaft; one end of the driving gear extends into the exterior of the housing and is fixedly connected to the output end of the drive motor; the other end of the driving gear extends into the interior of the mounting base and forms a rotating structure with the mounting base. When the drive motor is started, it drives the driving gear to rotate inside the housing. The driving gear drives the driven gear to rotate, which in turn drives the shaft to rotate, thus enabling the shaft to drive the workpiece.
[0012] Preferably, a handle is fixed to the top of the cover plate, and the snap-fit block and the housing form an engaging structure through snap-fit grooves. By pulling the handle, the cover plate causes the snap-fit block to separate from the housing, injecting lubricating oil into the inside of the oil injection pipe, allowing the lubricating oil to fall onto the outside of the driven gear. When the driven gear and the driving gear are running, the lubricating oil will adhere to the outside of the driving gear, preventing noise from the driven gear and the driving gear during operation.
[0013] Preferably, the top end of the snap-fit block extends to the outside of the housing and is fixedly connected to the bottom of the cover plate, and the end of the elastic rope away from the cover plate is fixedly connected to the top end of the housing. When the cover plate is moved above the oil injection pipe and pressed, under the action of the elastic rope, the cover plate moves the snap-fit block into the snap-fit groove, thereby causing the cover plate and the housing to snap together and be fixed in place.
[0014] Preferably, the protective structure includes a sealing shell, a stationary ring, and a rotating ring. The sealing shell is fitted onto the outside of the shaft, and a rotating ring is disposed inside the sealing shell. Stationary rings are disposed on both sides of the rotating ring. The sealing shell is fitted onto the outside of the shaft and fixedly connected to one side of the mounting base by fixing bolts. When the shaft rotates, the shaft will drive the rotating ring to rotate inside the sealing shell.
[0015] Preferably, a fixing bolt is evenly inserted through one side of the interior of the sealing shell, and the sealing shell is fixedly connected to the mounting base by the fixing bolt. The inner wall of the rotating ring is fixedly connected to the outer wall of the shaft, and the stationary ring is rotatably connected to the shaft. Through the cooperation of the stationary and rotating rings, the friction between the shaft and the sealing shell is converted to friction between the rotating and stationary rings, ensuring that the sealing performance is maintained during operation and preventing dust from entering the bearing.
[0016] The advantages of the spindle drive structure for a machine tool provided by this utility model are as follows:
[0017] By setting up the lubricating structure, the cover plate is pulled by the handle, the cover plate drives the clamping block to separate from the shell, the lubricating oil is injected into the inside of the oil injection pipe, the lubricating oil falls to the outside of the driven gear, when the driven gear and the driving gear are running, the lubricating oil is adhered to the outside of the driving gear, the noise of the driven gear and the driving gear during running is avoided, the cover plate is moved above the oil injection pipe, the cover plate drives the clamping block to move to the inside of the clamping groove under the action of the elastic rope, the cover plate and the shell are clamped and fixed, the function that the device is convenient to lubricate is realized, and therefore the applicability of the spindle drive structure of the machining machine tool during use is improved.
[0018] By setting up the driving mechanism, the driving motor is started, the driving motor drives the driving gear to rotate in the inside of the shell, the driving gear drives the driven gear to rotate, the driven gear drives the shaft body to rotate, the shaft body drives the workpiece transmission, the function that the device is convenient to drive is realized, and therefore the convenience of the spindle drive structure of the machining machine tool during use is improved.
[0019] By setting up the protection structure, the sealing shell is sleeved on the outside of the shaft body, the sealing shell is fixedly connected with one side of the mounting seat through the fixing bolt, when the shaft body rotates, the shaft body drives the movable ring to rotate in the inside of the sealing shell, under the cooperation of the movable ring and the static ring, the friction between the shaft body and the sealing shell is converted to the friction between the movable ring and the static ring, the sealing property can be kept during work, dust is prevented from entering the inside of the bearing, the function that the device is convenient to seal is realized, and therefore the sealing property of the spindle drive structure of the machining machine tool during use is improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is three-dimensional structure schematic view of the utility model;
[0021] Figure 2 It is main view cross section structure schematic view of the utility model;
[0022] Figure 3 It is the utility model's Figure 2 It is the utility model's main view cross section structure schematic view of A place;
[0023] Figure 4 It is top view cross section structure schematic view of the utility model;
[0024] Figure 5 It is protection structure main view cross section structure schematic view of the utility model.
[0025] The reference signs in the drawing are explained as follows: 1, mounting seat; 2, mounting hole; 3, driving mechanism; 301, driven gear; 302, driving gear; 303, driving motor; 4, shell cover; 5, lubricating structure; 501, cover plate; 502, oil injection pipe; 503, clamping groove; 504, clamping block; 505, reserved groove; 506, elastic rope; 6, protection structure; 601, sealing shell; 602, static ring; 603, dynamic ring; 7, shaft body; 8, bearing. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] Please refer to Figures 1-5 The utility model provides a main shaft drive structure of processing machine tool, including mounting seat 1 and mounting hole 2, the both ends of mounting seat 1 bottom are all penetrated with mounting hole 2, and the one side of mounting seat 1 top is embedded with bearing 8, the inside of bearing 8 is penetrated with shaft body 7, and the outer wall of one end mounting seat 1 is fixed with shell cover 4, and the outside of the other end of shaft body 7 is provided with protection structure 6, protection structure 6 includes sealing shell 601, static ring 602 and dynamic ring 603, sealing shell 601 is set on the outside of shaft body 7, the inside of sealing shell 601 is provided with dynamic ring 603, the both sides of dynamic ring 603 are provided with static ring 602, and the inside of sealing shell 601 is uniformly penetrated with fixed bolt, and sealing shell 601 is fixedly connected with mounting seat 1 through fixed bolt, the inner side wall of dynamic ring 603 is fixedly connected with the outer side wall of shaft body 7, and static ring 602 and shaft body 7 form rotary connection.
[0028] Please refer to Figure 2 and Figure 5 Sealing shell 601 is set on the outside of shaft body 7, sealing shell 601 is fixedly connected with one side of mounting seat 1 through fixed bolt, when shaft body 7 rotates, shaft body 7 will drive dynamic ring 603 to rotate in the inside of sealing shell 601, under the cooperation of static ring 602 and dynamic ring 603, the friction of shaft body 7 and sealing shell 601 is converted to the friction between dynamic ring 603 and static ring 602, so that the sealing property can be kept during operation, thereby avoiding dust from entering the inside of bearing 8.
[0029] The inside of the shell cover 4 is provided with a driving mechanism 3, the driving mechanism 3 comprises a driven gear 301, a driving gear 302 and a driving motor 303, the driven gear 301 is arranged on one side of the inside of the shell cover 4, one side of the driven gear 301 is engagedly connected with the driving gear 302, one end of the driving gear 302 is mounted on the outer wall of the shell cover 4 and is provided with the driving motor 303, one end of the driven gear 301 extends to the inside of the shell cover 4 and forms a rotating structure with the shell cover 4, the other end of the driven gear 301 is fixedly connected with one end of the shaft body 7, one end of the driving gear 302 extends to the outside of the shell cover 4 and is fixedly connected with the output end of the driving motor 303, the other end of the driving gear 302 extends to the inside of the mounting seat 1 and forms a rotating structure with the mounting seat 1.
[0030] Referring to Figure 2 and Figure 4 , the driving motor 303 is started, the driving motor 303 drives the driving gear 302 to rotate in the inside of the shell cover 4, the driving gear 302 drives the driven gear 301 to rotate, the driven gear 301 drives the shaft body 7 to rotate, so that the shaft body 7 drives the workpiece transmission.
[0031] The top of the shell cover 4 is provided with a lubricating structure 5, the lubricating structure 5 comprises a cover plate 501, an oil injection pipe 502, a clamping groove 503, a clamping block 504, a reserved groove 505 and an elastic rope 506, the oil injection pipe 502 penetrates through the top of the shell cover 4, the top of the oil injection pipe 502 is provided with the cover plate 501, the inside of the shell cover 4 on both sides of the oil injection pipe 502 is provided with the clamping groove 503, the inside of the clamping groove 503 is provided with the clamping block 504, the inside of the clamping block 504 is provided with the reserved groove 505, one side of the cover plate 501 is fixedly provided with the elastic rope 506, the top end of the cover plate 501 is fixedly provided with a handle, the clamping block 504 and the shell cover 4 form a clamping structure through the clamping groove 503, the top end of the clamping block 504 extends to the outside of the shell cover 4 and is fixedly connected with the bottom of the cover plate 501, one end of the elastic rope 506 away from the cover plate 501 is fixedly connected with the top end of the shell cover 4.
[0032] Referring to Figure 2 and Figure 3 , the cover plate 501 is pulled by the handle, the cover plate 501 drives the clamping block 504 to separate from the shell cover 4, the lubricating oil is injected into the inside of the oil injection pipe 502, so that the lubricating oil falls to the outside of the driven gear 301, when the driven gear 301 and the driving gear 302 are in operation, the lubricating oil will stick to the outside of the driving gear 302, so as to avoid the noise generated when the driven gear 301 and the driving gear 302 are in operation, the cover plate 501 is moved above the oil injection pipe 502, the cover plate 501 is pressed, under the action of the elastic rope 506, the cover plate 501 drives the clamping block 504 to move to the inside of the clamping groove 503, so as to make the cover plate 501 and the shell cover 4 clamped and fixed.
[0033] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A spindle drive structure of a machining tool, comprising a mounting seat (1) and a mounting hole (2); Characterized in that: Both ends of the bottom of the mounting seat (1) are penetrated by the mounting hole (2), one side of the top of the mounting seat (1) is inlaid with a bearing (8), the inside of the bearing (8) is penetrated by a shaft body (7), the outer wall of one end of the shaft body (7) is fixed with a shell cover (4), and the outer side of the other end of the shaft body (7) is provided with a protection structure (6); The inside of the shell cover (4) is provided with a driving mechanism (3); The top of the shell cover (4) is provided with a lubricating structure (5), the lubricating structure (5) comprises a cover plate (501), an oil injection pipe (502), a clamping groove (503), a clamping block (504), a reserved groove (505) and an elastic rope (506), the oil injection pipe (502) penetrates the top of the shell cover (4), the top of the oil injection pipe (502) is provided with the cover plate (501), the inside of the shell cover (4) on both sides of the oil injection pipe (502) is provided with the clamping groove (503), the inside of the clamping groove (503) is provided with the clamping block (504), the inside of the clamping block (504) is provided with the reserved groove (505), and one side of the cover plate (501) is fixed with the elastic rope (506).
2. A spindle drive structure for a machine tool according to claim 1, characterized in that: The driving mechanism (3) comprises a driven gear (301), a driving gear (302) and a driving motor (303), one side of the inside of the shell cover (4) is provided with the driven gear (301), one side of the driven gear (301) is meshedly connected with the driving gear (302), and one end of the driving gear (302) is installed with the driving motor (303) on the outer wall of the shell cover (4).
3. A spindle drive structure for a machine tool according to claim 2, characterized in that: One end of the driven gear (301) extends to the inside of the shell cover (4) and forms a rotating structure with the shell cover (4), the other end of the driven gear (301) is fixedly connected with one end of the shaft body (7), one end of the driving gear (302) extends to the outside of the shell cover (4) and is fixedly connected with the output end of the driving motor (303), and the other end of the driving gear (302) extends to the inside of the mounting seat (1) and forms a rotating structure with the mounting seat (1).
4. The spindle drive structure of a machine tool according to claim 1, characterized in that: The top end of the cover plate (501) is fixed with a handle, and the clamping block (504) and the shell cover (4) form a clamping structure through the clamping groove (503).
5. The spindle drive structure of a machine tool according to claim 1, characterized in that: The top end of the clamping block (504) extends to the outside of the shell cover (4) and is fixedly connected with the bottom of the cover plate (501), and one end of the elastic rope (506) away from the cover plate (501) is fixedly connected with the top end of the shell cover (4).
6. A spindle drive structure for a machine tool according to claim 1, characterized in that: The protection structure (6) comprises a sealing shell (601), a static ring (602) and a dynamic ring (603), the sealing shell (601) is sleeved on the outer side of the shaft body (7), the inside of the sealing shell (601) is provided with the dynamic ring (603), and both sides of the dynamic ring (603) are provided with the static ring (602).
7. A spindle drive structure for a machine tool according to claim 6, characterized in that: One side of the sealing shell (601) is evenly penetrated by fixing bolts, the sealing shell (601) is fixedly connected with the mounting base (1) through the fixing bolts, the inner side wall of the moving ring (603) is fixedly connected with the outer side wall of the shaft body (7), and the static ring (602) and the shaft body (7) are rotationally connected.