Lifting adjustment device for a milling and grinding polishing apparatus
By introducing components such as U-shaped plates and servo motors into the milling and polishing equipment, and utilizing the self-locking property of worm gears and threaded connections, the stable up-and-down movement of the milling assembly is achieved, and the horizontal movement is driven by a stepper motor. This solves the stability problem of the milling assembly during processing and improves the processing accuracy.
Patent Information
- Application Number
- CN202521109308.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-30
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-05-30
AI Technical Summary
In existing milling and polishing equipment, the milling components are difficult to keep stable during processing, which affects the processing accuracy.
The milling assembly employs components such as a U-shaped plate, servo motor, mounting base, studs, limit pins, hexagonal sleeve, threaded sleeve, worm gear, worm, and bevel gear. The servo motor drives the hexagonal sleeve to rotate, and the self-locking property of the worm gear and the threaded connection enable stable vertical movement of the milling assembly. Simultaneously, the horizontal movement of the milling assembly is achieved through a stepper motor, slide rail, lead screw, and slider.
It improves the stability of the milling assembly in the vertical and horizontal directions, and enhances the machining accuracy and automation level.
Smart Images

Figure CN224674287U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of milling and polishing equipment, specifically a lifting and adjusting device for milling and polishing equipment. Background Technology
[0002] Milling and polishing equipment is a type of mechanical equipment used for milling, grinding and polishing various materials. It is widely used in many fields such as optics, machinery manufacturing, electronics, and automobiles.
[0003] Chinese patent disclosure (CN217800665U) discloses a milling and grinding device for machine tool parts production. It includes a base plate and a motor. A back plate is fixedly installed at the top center of the base plate, and a worktable is fixedly installed at the end of the back plate away from the base plate. A coolant pump is attached to the bottom of the worktable, and nozzles are connected to both sides of the coolant pump. Guide rods are fixedly installed on both sides of the top of the worktable. The motor is fixedly installed on the top front of the worktable, and a synchronous belt is fitted onto the motor's output rollers. Pulleys are connected to the ends of the synchronous belt away from the motor, and the inner walls of the pulleys have grooves. Supports are provided at the bottom of the pulleys. This milling and grinding device for machine tool parts production integrates rough grinding and fine grinding processes into a single machine compared to existing devices. The machine can continuously grind without stopping or removing the workpiece, achieving a higher degree of automation and wider applicability.
[0004] However, it still has the following drawbacks: the device moves the milling assembly up and down by controlling the cylinder, but the milling assembly bears a certain load when processing the workpiece, making it difficult to keep the cylinder stable and affecting the processing accuracy. Therefore, we propose a lifting adjustment device for milling and polishing equipment to solve this problem. Utility Model Content
[0005] The purpose of this invention is to provide a lifting and adjusting device for milling and polishing equipment to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a lifting adjustment device for milling and polishing equipment, comprising a processing table, an adjustment device being provided above the processing table, the adjustment device comprising an adjustment part;
[0007] The adjustment part includes a U-shaped plate and a limiting post. A servo motor is fixedly connected to the top surface of the U-shaped plate. The outer surface of the output shaft of the servo motor rotates through the top surface of the U-shaped plate and extends to the inner side of the U-shaped plate through a first bearing. The outer surface of the limiting post is fixedly connected to the inner wall of the U-shaped plate.
[0008] A lifting unit is provided above the processing table;
[0009] The lifting unit includes a mounting frame, the bottom surface of which is fixedly connected to the top surface of the processing table, and a stepper motor is fixedly connected to the right end face of the mounting frame.
[0010] A further improvement is that the adjusting part further includes a stud, a hexagonal sleeve, a threaded sleeve, a connecting plate, a sleeve, a worm gear, a worm, a first bevel gear, a second bevel gear, and a mounting base. The mounting base is slidably sleeved on the outer surface of the limiting post. A milling assembly is fixedly connected to the front of the mounting base. The outer surface of the stud is fixedly connected to the inner wall of the U-shaped plate. The threaded sleeve is threadedly sleeved on the outer surface of the stud. A first annular groove is formed on the outer surface of the threaded sleeve. A first through hole is formed on the outer surface of the mounting base. The inner wall of the mounting base extends into the first annular groove and is rotatably connected to the inner wall of the first annular groove through a second bearing. By setting up the stud, the threaded sleeve, and the mounting base, and by rotating the threaded sleeve, the threaded sleeve moves up and down along the outer surface of the stud, thereby driving the mounting base and the milling assembly to move up and down.
[0011] A further improvement is that the worm wheel is fixedly sleeved on the outer surface of the threaded sleeve, and the outer surface of the worm is rotatably connected to the inner wall of the mounting base through the second bearing seat. By setting the worm wheel and worm, rotating the worm drives the worm wheel and the threaded sleeve to rotate. The self-locking properties of the worm wheel and worm and the stability of the threaded connection are utilized to improve the stability during the milling process.
[0012] A further improvement is that the outer surface of the servo motor output shaft is fixedly connected to the inner wall of the U-shaped plate through a third bearing seat, the hexagonal sleeve is fixedly sleeved on the outer surface of the servo motor output shaft, the sleeve is slidably sleeved on the outer surface of the hexagonal sleeve, the second bevel gear is fixedly sleeved on the outer surface of the sleeve, and the first bevel gear is fixedly sleeved on the outer surface of the worm. By setting up the servo motor, the hexagonal sleeve, the sleeve, the first bevel gear, and the second bevel gear, after the servo motor is started, the hexagonal sleeve drives the sleeve to drive the worm to rotate.
[0013] A further improvement is that a second through hole is provided on the outer surface of the connecting plate, a second annular groove is provided on the outer surface of the sleeve, the inner wall of the connecting plate extends into the second annular groove and is rotatably connected to the inner wall of the second annular groove through a third bearing, and the outer surface of the connecting plate is fixedly connected to the inner wall of the mounting base. By setting the connecting plate, it is convenient to limit the position of the sleeve.
[0014] A further improvement is that the lifting unit also includes a slide rail, a lead screw, and a slider. The outer surface of the stepper motor output shaft rotates through the front of the mounting frame via a fourth bearing and extends to the inner side of the mounting frame. The outer surface of the lead screw is fixedly connected to the outer surface of the stepper motor output shaft. The outer surface of the slide rail is fixedly connected to the inner wall of the mounting frame. The slider is slidably sleeved on the outer surface of the slide rail. The outer surface of the lead screw is threaded through the outer surface of the slider and extends to the rear of the slider. The outer surface of the slider is fixedly connected to the outer surface of the U-shaped plate. By setting the stepper motor, lead screw, slide rail, and slider, the stepper motor is started, which facilitates the control of the horizontal movement of the milling assembly.
[0015] A further improvement is that a first folding protective component is fixedly connected to the outer surface of the slider, and the top surface of the upper first folding protective component and the bottom surface of the lower first folding protective component are both fixedly connected to the inner wall of the mounting frame. A second folding protective component is fixedly connected to the outer surface of the slider, and the front and back surfaces of the front and rear second folding protective components are both fixedly connected to the inner wall of the mounting frame. The lead screw is protected by the first folding protective component and the lead screw is protected by the second folding protective component.
[0016] Compared with the prior art, the beneficial effects of this utility model are:
[0017] 1. The milling and polishing equipment uses a lifting adjustment device, which consists of a U-shaped plate, a servo motor, a mounting base, a stud, a limit post, a hexagonal sleeve, a threaded sleeve, a connecting plate, a sleeve, a worm gear, a worm, a first bevel gear, and a second bevel gear. When the servo motor is started, the hexagonal sleeve drives the sleeve to rotate. The first bevel gear and the second bevel gear drive the worm to rotate. The worm drives the worm gear and the threaded sleeve to rotate, which in turn drives the mounting base and the milling assembly to move up and down. The self-locking property of the threaded connection and the worm gear improves the stability of the milling assembly during the up and down movement.
[0018] 2. By setting up a stepper motor, slide rail, lead screw, slider and mounting bracket, start the stepper motor, use the lead screw to drive the slider to move, and drive the milling assembly to move horizontally back and forth;
[0019] 3. By setting the first folding protective component and the second folding protective component, it is convenient to protect the stud and the lead screw. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0021] Figure 2 This is a schematic diagram of the left side of the three-dimensional structure of the adjustment device of this utility model;
[0022] Figure 3 This is a rear sectional view of the three-dimensional structure of the adjustment device of this utility model;
[0023] Figure 4 for Figure 3 Enlarged view of the structure at point A in the middle;
[0024] Figure 5 This is a partial sectional view of the three-dimensional structure of the adjusting device of this utility model;
[0025] Figure 6 This is a right-side sectional view of the three-dimensional structure of the adjustment device of this utility model.
[0026] In the diagram: 1. Processing table; 2. First folding protective component; 3. Second folding protective component; 4. Adjustment device; 41. Adjustment section; 42. Lifting section; 411. U-shaped plate; 412. Servo motor; 413. Mounting base; 414. Stud; 415. Limiting post; 416. Hexagonal sleeve; 417. Threaded sleeve; 418. Connecting plate; 419. Sleeve; 410. Worm gear; 401. Worm; 402. First bevel gear; 403. Second bevel gear; 421. Stepper motor; 422. Slide rail; 423. Lead screw; 424. Slider; 425. Mounting bracket. 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 1-6 The present invention provides a technical solution: a lifting adjustment device for milling and polishing equipment, including a processing table 1, an adjustment device 4 is provided above the processing table 1, and the adjustment device 4 includes an adjustment part 41;
[0029] The adjustment part 41 includes a U-shaped plate 411 and a limiting post 415. A servo motor 412 is fixedly connected to the top surface of the U-shaped plate 411. The outer surface of the output shaft of the servo motor 412 rotates through the top surface of the U-shaped plate 411 via a first bearing and extends to the inner side of the U-shaped plate 411. The outer surface of the limiting post 415 is fixedly connected to the inner wall of the U-shaped plate 411. The adjustment part 41 also includes a stud 414, a hexagonal sleeve 416, a threaded sleeve 417, a connecting plate 418, a sleeve 419, a worm gear 410, a worm 401, a first bevel gear 402, a second bevel gear 403, and a mounting base 413.
[0030] Mounting base 413 is slidably sleeved on the outer surface of limiting post 415. Milling assembly is fixedly connected to the front of mounting base 413. The outer surface of stud 414 is fixedly connected to the inner wall of U-shaped plate 411. Threaded sleeve 417 is threadedly sleeved on the outer surface of stud 414. A first annular groove is opened on the outer surface of threaded sleeve 417. A first through hole is opened on the outer surface of mounting base 413. The inner wall of mounting base 413 extends into the first annular groove and is rotatably connected to the inner wall of the first annular groove through a second bearing.
[0031] The outer surface of the output shaft of the servo motor 412 is fixedly connected to the inner wall of the U-shaped plate 411 through the third bearing seat. The hexagonal sleeve 416 is fixedly sleeved on the outer surface of the output shaft of the servo motor 412, and the sleeve 419 is slidably sleeved on the outer surface of the hexagonal sleeve 416.
[0032] The outer surface of the connecting plate 418 is provided with a second through hole, the outer surface of the sleeve 419 is provided with a second annular groove, the inner wall of the connecting plate 418 extends into the second annular groove and is rotatably connected to the inner wall of the second annular groove through a third bearing, the outer surface of the connecting plate 418 is fixedly connected to the inner wall of the mounting base 413, the second bevel gear 403 is fixedly sleeved on the outer surface of the sleeve 419, and the first bevel gear 402 is fixedly sleeved on the outer surface of the worm 401;
[0033] The worm gear 410 is fixedly sleeved on the outer surface of the threaded sleeve 417. The outer surface of the worm 401 is rotatably connected to the inner wall of the mounting base 413 through the second bearing seat. By setting up a U-shaped plate 411, a servo motor 412, a mounting base 413, a stud 414, a limit post 415, a hexagonal sleeve 416, a threaded sleeve 417, a connecting plate 418, a sleeve 419, a worm gear 410, a worm 401, a first bevel gear 402, and a second bevel gear 403, the servo motor 412 is started, causing the hexagonal sleeve 416 to drive the sleeve 419 to rotate. The first bevel gear 402 and the second bevel gear 403 drive the worm 401 to rotate. The worm 401 drives the worm gear 410 and the threaded sleeve 417 to rotate, which can drive the mounting base 413 and the milling assembly to move up and down. The stability of the milling assembly during the up and down movement is improved by using the threaded connection and the self-locking property of the worm gear.
[0034] A lifting unit 42 is provided above the processing table 1;
[0035] The lifting unit 42 includes a mounting frame 425, the bottom surface of which is fixedly connected to the top surface of the processing table 1, and a stepper motor 421 is fixedly connected to the right end face of the mounting frame 425. The lifting unit 42 also includes a slide rail 422, a lead screw 423 and a slider 424.
[0036] The outer surface of the output shaft of the stepper motor 421 rotates through the front of the mounting bracket 425 via the fourth bearing and extends to the inner side of the mounting bracket 425. The outer surface of the lead screw 423 is fixedly connected to the outer surface of the output shaft of the stepper motor 421. The outer surface of the slide rail 422 is fixedly connected to the inner wall of the mounting bracket 425. The slider 424 is slidably sleeved on the outer surface of the slide rail 422. The thread on the outer surface of the lead screw 423 passes through the outer surface of the slider 424 and extends to the rear of the slider 424. The outer surface of the slider 424 is fixedly connected to the outer surface of the U-shaped plate 411. By setting the stepper motor 421, slide rail 422, lead screw 423, slider 424 and mounting bracket 425, the stepper motor 421 is started, and the lead screw 423 drives the slider 424 to move, thereby driving the milling assembly to move horizontally back and forth.
[0037] A first folding protective member 2 is fixedly connected to the outer surface of the slider 424. The top surface of the upper first folding protective member 2 and the bottom surface of the lower first folding protective member 2 are both fixedly connected to the inner wall of the mounting frame 425. A second folding protective member 3 is fixedly connected to the outer surface of the slider 424. The front and back sides of the front and rear second folding protective member 3 are both fixedly connected to the inner wall of the mounting frame 425. By setting the first folding protective member 2 and the second folding protective member 3, it is convenient to protect the stud 414 and the lead screw 423.
[0038] In use, this device utilizes a PLC as the control core. The PLC establishes a connection with the stepper motor 421 and the servo motor 412. When the stepper motor 421 needs to be started, the PLC sends a signal to it, causing the output shaft of the stepper motor 421 to drive the lead screw 423 to rotate. The lead screw 423 drives the slider 424 to move, and the slider 424 drives the U-shaped plate 411 to move horizontally. When the servo motor 412 needs to be started, the PLC sends a signal to it. The output shaft of the servo motor 412 drives the hexagonal sleeve 416 to rotate. The hexagonal sleeve 416 drives the second bevel gear 403 to rotate. The second bevel gear 403 drives the first bevel gear 402 to rotate. The first bevel gear 402 drives the worm gear 401 to rotate. The worm gear 401 drives the worm wheel 410 to rotate. The worm wheel 410 drives the threaded sleeve 417 to rotate, causing the threaded sleeve 417 to move along the longitudinal line of the outer surface of the stud 414. The threaded sleeve 417 drives the mounting base 413 and the milling assembly to move longitudinally.
[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can 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 lifting and adjusting device for milling and polishing equipment, comprising a processing table (1), characterized in that: An adjustment device (4) is provided above the processing table (1), and the adjustment device (4) includes an adjustment part (41); The adjustment part (41) includes a U-shaped plate (411) and a limiting post (415). A servo motor (412) is fixedly connected to the top surface of the U-shaped plate (411). The outer surface of the output shaft of the servo motor (412) rotates through the top surface of the U-shaped plate (411) through the first bearing and extends to the inner side of the U-shaped plate (411). The outer surface of the limiting post (415) is fixedly connected to the inner wall of the U-shaped plate (411). A lifting unit (42) is provided above the processing table (1); The lifting unit (42) includes a mounting frame (425), the bottom surface of which is fixedly connected to the top surface of the processing table (1), and a stepper motor (421) is fixedly connected to the right end face of the mounting frame (425).
2. The lifting adjustment device for milling and polishing equipment according to claim 1, characterized in that: The adjusting part (41) further includes a stud (414), a hexagonal sleeve (416), a threaded sleeve (417), a connecting plate (418), a sleeve (419), a worm gear (410), a worm (401), a first bevel gear (402), a second bevel gear (403), and a mounting base (413). The mounting base (413) is slidably sleeved on the outer surface of the limiting post (415). A milling assembly is fixedly connected to the front of the mounting base (413). The outer surface of the stud (414) is fixedly connected to the inner wall of the U-shaped plate (411). The threaded sleeve (417) is threadedly sleeved on the outer surface of the stud (414). A first annular groove is opened on the outer surface of the threaded sleeve (417). A first through hole is opened on the outer surface of the mounting base (413). The inner wall of the mounting base (413) extends into the first annular groove and is rotatably connected to the inner wall of the first annular groove through a second bearing.
3. The lifting adjustment device for milling and polishing equipment according to claim 2, characterized in that: The worm gear (410) is fixedly sleeved on the outer surface of the threaded sleeve (417), and the outer surface of the worm (401) is rotatably connected to the inner wall of the mounting base (413) through the second bearing seat.
4. The lifting adjustment device for milling and polishing equipment according to claim 2, characterized in that: The outer surface of the output shaft of the servo motor (412) is fixedly connected to the inner wall of the U-shaped plate (411) through the third bearing seat. The hexagonal sleeve (416) is fixedly sleeved on the outer surface of the output shaft of the servo motor (412). The sleeve (419) is slidably sleeved on the outer surface of the hexagonal sleeve (416). The second bevel gear (403) is fixedly sleeved on the outer surface of the sleeve (419). The first bevel gear (402) is fixedly sleeved on the outer surface of the worm (401).
5. The lifting adjustment device for milling and polishing equipment according to claim 2, characterized in that: The outer surface of the connecting plate (418) is provided with a second through hole, the outer surface of the sleeve (419) is provided with a second annular groove, the inner wall of the connecting plate (418) extends into the second annular groove and is rotatably connected to the inner wall of the second annular groove through a third bearing, and the outer surface of the connecting plate (418) is fixedly connected to the inner wall of the mounting base (413).
6. The lifting adjustment device for milling and polishing equipment according to claim 2, characterized in that: The lifting part (42) also includes a slide rail (422), a lead screw (423) and a slider (424). The outer surface of the output shaft of the stepper motor (421) rotates through the front of the mounting bracket (425) and extends to the inner side of the mounting bracket (425) via a fourth bearing. The outer surface of the lead screw (423) is fixedly connected to the outer surface of the output shaft of the stepper motor (421). The outer surface of the slide rail (422) is fixedly connected to the inner wall of the mounting bracket (425). The slider (424) is slidably sleeved on the outer surface of the slide rail (422). The outer surface of the lead screw (423) is threaded through the outer surface of the slider (424) and extends to the rear of the slider (424). The outer surface of the slider (424) is fixedly connected to the outer surface of the U-shaped plate (411).
7. The lifting adjustment device for milling and polishing equipment according to claim 6, characterized in that: The outer surface of the slider (424) is fixedly connected to a first folding protective member (2). The top surface of the upper first folding protective member (2) and the bottom surface of the lower first folding protective member (2) are both fixedly connected to the inner wall of the mounting frame (425). The outer surface of the slider (424) is fixedly connected to a second folding protective member (3). The front side of the second folding protective member (3) and the back side of the second folding protective member (3) are both fixedly connected to the inner wall of the mounting frame (425).
Citation Information
Patent Citations
Grinding and milling device for machine tool part production
CN217800665U