Lathe spindle structure convenient to disassemble

Abstract

The utility model relates to the technical field of lathe spindles, and provides a lathe spindle structure convenient to disassemble, which comprises a shell and a cover body, the cover body is fixed on one side of the shell, a barrel is fixed on the other side of the shell, bearings are fixed at two ends in the barrel, a spindle body penetrates through the bearings, and the spindle body is arranged in the shell. A driving structure is arranged in the shell, and a limiting structure is arranged at the top of the shell. By arranging the limiting structure, under the action of the sliding rod, the stability of the teeth in the moving process is enhanced, when the teeth move into the groove, the driving gear can drive the driven gear to rotate at the moment, when the teeth abut against the driving gear, under the limiting action of the teeth, the driving gear is prevented from rotating due to external force, and the service life of the driving gear is prolonged. The function of preventing rotation of the device is achieved, and therefore the applicability of the lathe spindle structure in the using process is improved.

Description

Technical Field

[0001] This utility model relates to the field of lathe spindle technology, and in particular to a lathe spindle structure that is easy to disassemble. Background Technology

[0002] A lathe spindle is a shaft on a machine tool used to drive the workpiece or tool to rotate. In a lathe, the spindle is directly connected to the workpiece or tool, which can ensure the smooth progress of the machining process. There are many types of lathe spindles, and an easy-to-disassemble lathe spindle structure is an important part of it.

[0003] To address this, patent CN209109366U discloses a spindle mounting structure that facilitates bearing disassembly. The structure includes a base with a front plate, a middle plate, and a rear plate connected to it. Bearing mounting holes are provided on the opposite outer surfaces of the middle and rear plates. A front bearing and a rear bearing are respectively installed in these holes. The spindle passes through the inner holes of the two bearings and connects to their inner rings. The key feature is that a top sleeve and a support frame are located between the middle and rear plates. The top sleeve is fitted onto the spindle, and the support frame is located behind the top sleeve. When the top sleeve moves forward, its front end can abut against the front bearing. A backing bolt is installed on the support frame; when the backing bolt rotates, its front end can abut against the top sleeve to allow it to move forward. This structure facilitates the disassembly of the front bearing, making spindle maintenance and replacement easier.

[0004] While the aforementioned spindle mounting structure, which facilitates bearing removal, allows for easy disassembly of the front bearing and convenient maintenance and replacement of the spindle, its limited applicability during use stems from its inconvenience in limiting positioning and preventing gears from rotating due to external forces. Utility Model Content

[0005] The purpose of this invention is to provide a lathe spindle structure that is easy to disassemble, in order to solve the defect of existing lathe spindle structures that are easy to disassemble but not convenient for positioning.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a lathe spindle structure that is easy to disassemble, including a housing and a cover;

[0007] A cover is fixed to one side of the shell, and a cylinder is fixed to the other side of the shell;

[0008] The housing has a drive structure inside and a limit structure at the top. The limit structure includes teeth on the top of the housing. A groove is formed inside the housing above the teeth. A threaded post passes through the groove. The top of the threaded post extends to the outside of the housing and is fixed with a handle. Slide rods pass through the inside of the housing on both sides of the threaded post.

[0009] An end cap is fixed to one end of the cylinder away from the shell, and a disassembly structure is provided on one side of the end cap.

[0010] When using this device, the limit structure facilitates anti-rotation, thereby improving the applicability of the lathe spindle structure during use; the drive structure facilitates transmission, thereby improving the convenience of use; and the disassembly structure facilitates replacement of the sealing ring, thereby improving the sealing performance of the lathe spindle structure during use.

[0011] Preferably, bearings are fixed at both ends of the cylinder, and the main shaft body penetrates through the interior of each bearing.

[0012] Preferably, the drive structure includes a drive motor, a driven gear, and a driving gear. The driven gear is disposed inside the housing, and the top of the driven gear is meshed with the driving gear. The drive motor is installed on the outer wall of the cover on one side of the driving gear.

[0013] Preferably, the driving gear and its teeth form an engaging structure, one side of the driven gear is fixedly connected to one end of the main shaft body, and the output end of the drive motor extends into the interior of the housing and is fixedly connected to one side of the driving gear. Under the combined action of the driven gear and the driving gear, the main shaft body can rotate. With the support of the bearings, stable support is provided for the main shaft body, while simultaneously reducing the friction between the main shaft body and the cylinder, thereby reducing wear.

[0014] Preferably, the threaded post and the housing are threadedly connected, with the bottom end of the threaded post rotatably connected to the top end of the tooth. The slide rod and the housing form a sliding structure, with the bottom end of the slide rod fixedly connected to the top end of the tooth. The slide rod enhances the stability of the tooth during movement. When the tooth moves into the groove, the driving gear can drive the driven gear to rotate. When the tooth and the driving gear abut against each other, the limiting action of the tooth prevents the driving gear from rotating due to external force.

[0015] Preferably, the disassembly structure includes a baffle, a placement groove, a sealing ring, a snap-fit ​​groove, a snap-fit ​​block, and a reserved groove. The placement groove is located inside one side of the end cover, and a sealing ring is disposed inside the placement groove. A baffle is disposed on one side of the end cover. Snap-fit ​​grooves are provided at both ends of one side of the baffle inside the end cover. Snap-fit ​​blocks are disposed inside each snap-fit ​​groove, and reserved grooves are disposed inside each snap-fit ​​block. The sealing ring prevents dust, moisture, and other impurities from entering the cylinder, thereby extending the bearing's service life. The baffle limits the position of the sealing ring.

[0016] Preferably, the inner side of the sealing ring contacts the outer side of the spindle body, the baffle and the spindle body form a sliding structure, and handles are fixed at both ends of the baffle. The snap-fit ​​block and the end cover form a snap-fit ​​structure through a snap-fit ​​groove, and one end of the snap-fit ​​block extends to the outside of the end cover and is fixedly connected to one side of the baffle. The snap-fit ​​block and the snap-fit ​​groove cooperate to fix and separate the baffle and the end cover, thereby facilitating the replacement of the sealing ring.

[0017] The present invention provides a lathe spindle structure that is easy to disassemble, the advantages of which are:

[0018] By setting a limiting structure, the stability of the teeth during movement is enhanced under the action of the slide bar. When the teeth move into the inside of the groove, the driving gear can drive the driven gear to rotate. When the teeth and the driving gear collide with each other, the limiting action of the teeth prevents the driving gear from rotating due to external force, thus realizing the function of the device to prevent self-rotation and improving the applicability of the lathe spindle structure in use.

[0019] By incorporating a drive structure, the spindle body can rotate under the combined action of the driven gear and the driving gear. The bearings provide stable support for the spindle body and reduce friction between the spindle body and the cylinder, thereby reducing wear. This device facilitates transmission and improves the ease of use of the lathe spindle structure.

[0020] With its detachable structure, the sealing ring prevents dust, moisture, and other impurities from entering the cylinder, thus extending the bearing's service life. The baffle limits the sealing ring's position, and the snap-fit ​​block and snap-fit ​​groove allow the baffle and end cover to be fixed and separated, facilitating the replacement of the sealing ring. This device enables easy replacement of the sealing ring and improves the sealing performance of the lathe spindle structure during use. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0022] Figure 2 This is a three-dimensional structural schematic diagram of the main cross-section of this utility model;

[0023] Figure 3 This is a three-dimensional magnified cross-sectional schematic diagram of the limiting structure of this utility model.

[0024] Figure 4 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0025] Figure 5This is a side view cross-sectional three-dimensional structural schematic diagram of the present invention.

[0026] The reference numerals in the figure are as follows: 1. Housing; 2. Cover; 3. Drive structure; 301. Drive motor; 302. Driven gear; 303. Drive gear; 4. Limiting structure; 401. Handle; 402. Threaded post; 403. Groove; 404. Tooth; 405. Slide rod; 5. Cylinder; 6. End cover; 7. Main shaft body; 8. Bearing; 9. Disassembly structure; 901. Baffle; 902. Placement groove; 903. Sealing ring; 904. Snap-fit ​​groove; 905. Snap-fit ​​block; 906. Reserved groove. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.

[0028] Please see Figures 1-5 This utility model provides a lathe spindle structure that is easy to disassemble, including a housing 1 and a cover 2. The cover 2 is fixed to one side of the housing 1, and a cylinder 5 is fixed to the other side of the housing 1. Bearings 8 are fixed to both ends inside the cylinder 5. The spindle body 7 passes through the interior of each bearing 8. A drive structure 3 is provided inside the housing 1. The drive structure 3 includes a drive motor 301, a driven gear 302, and a driving gear 303. The driven gear 302 is located inside the housing 1. The top end of the driven gear 302 is meshed with the driving gear 303. The drive motor 301 is installed on the outer wall of the cover 2 on one side of the driving gear 303. The driving gear 303 and the teeth 404 form a locking structure. One side of the driven gear 302 is fixedly connected to one end of the spindle body 7. The output end of the drive motor 301 extends into the interior of the housing 1 and is fixedly connected to one side of the driving gear 303.

[0029] Reference Figure 2 and Figure 5 As shown, when the drive motor 301 is started, the drive motor 301 drives the drive gear 303 to rotate inside the housing 1. The drive gear 303 drives the main shaft body 7 to rotate through the driven gear 302. Under the action of the bearing 8, it can provide stable support for the main shaft body 7, and at the same time reduce the friction between the main shaft body 7 and the cylinder 5, thereby reducing wear.

[0030] The top of the housing 1 is provided with a limiting structure 4. The limiting structure 4 includes a tooth 404 provided on the top of the housing 1. A groove 403 is provided inside the housing 1 above the tooth 404. A threaded post 402 passes through the inside of the groove 403. The top end of the threaded post 402 extends to the outside of the housing 1 and is fixed with a handle 401. Slide rods 405 pass through the inside of the housing 1 on both sides of the threaded post 402. The threaded post 402 and the housing 1 are designed to be threadedly connected. The bottom end of the threaded post 402 is rotatably connected to the top end of the tooth 404. The slide rods 405 and the housing 1 form a sliding structure. The bottom end of the slide rods 405 is fixedly connected to the top end of the tooth 404.

[0031] Reference Figure 2 and Figure 3 As shown, rotating the handle 401 causes the threaded column 402 to rotate inside the housing 1. The threaded column 402 causes the tooth 404 to move, and the tooth 404 causes the slide bar 405 to slide inside the housing 1. Under the action of the slide bar 405, the stability of the tooth 404 during movement is enhanced. When the tooth 404 moves into the groove 403, the driving gear 303 can drive the driven gear 302 to rotate. When the tooth 404 and the driving gear 303 collide, the limiting action of the tooth 404 prevents the driving gear 303 from rotating due to external force.

[0032] An end cap 6 is fixed to the end of the cylinder 5 away from the shell 1. A disassembly structure 9 is provided on one side of the end cap 6. The disassembly structure 9 includes a baffle 901, a placement groove 902, a sealing ring 903, a snap-fit ​​groove 904, a snap-fit ​​block 905, and a reserved groove 906. The placement groove 902 is opened on one side inside the end cap 6. A sealing ring 903 is provided inside the placement groove 902. A baffle 901 is provided on one side of the end cap 6. Snap-fit ​​grooves 906 are opened at both ends of one side of the baffle 901 inside the end cap 6. 04. Each snap-fit ​​groove 904 is provided with a snap-fit ​​block 905, and each snap-fit ​​block 905 is provided with a reserved groove 906. The inner side of the sealing ring 903 is in contact with the outer side of the spindle body 7. The baffle 901 and the spindle body 7 form a sliding structure. Both ends of the baffle 901 are fixed with handles. The snap-fit ​​block 905 and the end cover 6 form a snap-fit ​​structure through the snap-fit ​​groove 904. One end of the snap-fit ​​block 905 extends to the outside of the end cover 6 and is fixedly connected to one side of the baffle 901.

[0033] Reference Figure 2 and Figure 4As shown, the sealing ring 903 is moved into the placement groove 902. Under the action of the sealing ring 903, dust, moisture and other impurities can be prevented from entering the interior of the cylinder 5, thereby extending the service life of the bearing 8. By moving the baffle 901 with the handle, one end of the snap-fit ​​block 905 abuts against one end of the snap-fit ​​groove 904. Pushing the baffle 901, under the action of the reserved groove 906, the baffle 901 moves the snap-fit ​​block 905 into the interior of the snap-fit ​​groove 904. Under the action of the baffle 901, the sealing ring 903 can be limited. By pulling the baffle 901 with the handle, the baffle 901 causes the snap-fit ​​block 905 to separate from the end cover 6, making it convenient to replace the sealing ring 903.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A lathe spindle structure that is easy to disassemble, comprising a housing (1) and a cover (2); Its features are: A cover (2) is fixed to one side of the shell (1), and a cylinder (5) is fixed to the other side of the shell (1); The housing (1) is provided with a drive structure (3) inside, and a limiting structure (4) is provided at the top of the housing (1). The limiting structure (4) includes teeth (404) provided at the top of the housing (1). A groove (403) is provided inside the housing (1) above the teeth (404). A threaded post (402) passes through the inside of the groove (403). The top end of the threaded post (402) extends to the outside of the housing (1) and is fixed with a handle (401). Slide rods (405) pass through the inside of the housing (1) on both sides of the threaded post (402). An end cap (6) is fixed to one end of the cylinder (5) away from the shell (1), and a disassembly structure (9) is provided on one side of the end cap (6).

2. The lathe spindle structure for easy disassembly according to claim 1, characterized in that: Both ends of the cylinder (5) are fixed with bearings (8), and the main shaft body (7) runs through the inside of each bearing (8).

3. The lathe spindle structure for easy disassembly according to claim 2, characterized in that: The drive structure (3) includes a drive motor (301), a driven gear (302) and a drive gear (303). The driven gear (302) is located inside the housing (1). The top of the driven gear (302) is meshed with the drive gear (303). The drive motor (301) is installed on the outer wall of the cover (2) on one side of the drive gear (303).

4. The easily disassembled lathe spindle structure according to claim 3, characterized in that: The driving gear (303) and teeth (404) form a meshing structure. One side of the driven gear (302) is fixedly connected to one end of the main shaft body (7). The output end of the drive motor (301) extends into the interior of the housing (1) and is fixedly connected to one side of the driving gear (303).

5. The easily disassembled lathe spindle structure according to claim 1, characterized in that: The threaded post (402) and the housing (1) are designed with a threaded connection. The bottom end of the threaded post (402) is rotatably connected to the top end of the tooth (404). The slide rod (405) and the housing (1) form a sliding structure. The bottom end of the slide rod (405) is fixedly connected to the top end of the tooth (404).

6. The easily disassembled lathe spindle structure according to claim 1, characterized in that: The disassembly structure (9) includes a baffle (901), a placement groove (902), a sealing ring (903), a snap-fit ​​groove (904), a snap-fit ​​block (905), and a reserved groove (906). The placement groove (902) is opened on one side inside the end cover (6). The placement groove (902) is provided with a sealing ring (903). The end cover (6) is provided with a baffle (901) on one side. Snap-fit ​​grooves (904) are opened at both ends of one side of the baffle (901) inside the end cover (6). Snap-fit ​​blocks (905) are provided inside the snap-fit ​​grooves (904). Reserved grooves (906) are provided inside the snap-fit ​​blocks (905).

7. The easily disassembled lathe spindle structure according to claim 6, characterized in that: The inner side of the sealing ring (903) is in contact with the outer side of the spindle body (7). The baffle (901) and the spindle body (7) form a sliding structure. Both ends of the baffle (901) are fixed with handles. The snap-fit ​​block (905) and the end cover (6) form a snap-fit ​​structure through the snap-fit ​​groove (904). One end of the snap-fit ​​block (905) extends to the outside of the end cover (6) and is fixedly connected to one side of the baffle (901).

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