High-stability grinding disc mechanism and flat grinding machine

By incorporating a mounting plate, telescopic rod, rotating motor, and waterproof ring into the surface grinder, the stability issue of the grinding disc mechanism is resolved, achieving high stability and efficient grinding results while reducing equipment size and environmental pollution.

CN223685086UActive Publication Date: 2025-12-19PUJIANG GUOMA MASCH TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520092581.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-12-19
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

The grinding disc mechanism in existing flat mills has poor operational stability, especially due to lateral disturbances caused by the rotation of the spindle, which leads to grinding disc vibration.

Method used

A mounting plate is installed on the frame, and vertical telescopic rods are connected between the two ends of the mounting plate and the frame. A vertical mounting cylinder is fixedly connected to the middle of the mounting plate, and a rotating motor is connected to the bottom of the mounting cylinder. The output shaft of the rotating motor is connected to the rotating rod. A variable frequency speed control motor is used. The top surface of the grinding disc is provided with a fine grinding surface and a coarse grinding surface. The mounting disc and the rotating rod are connected by a spline. A waterproof ring and a water baffle are set to improve stability, and a splash guard is connected to the outside of the grinding disc.

Benefits of technology

It improves the operational stability of the grinding disc, reduces the size of the equipment, enhances feeding efficiency and control precision, and reduces environmental pollution.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223685086U_ABST
    Figure CN223685086U_ABST
Patent Text Reader

Abstract

The utility model discloses a high-stability millstone mechanism and a flat grinding machine. The millstone mechanism comprises a rack, a mounting plate is arranged on the rack, and vertical telescopic rods are connected between the two ends of the mounting plate and the rack; a vertical mounting cylinder is connected to the middle of the mounting plate, and a rotating motor is fixedly connected to the bottom end of the mounting cylinder; a rotating rod is rotationally connected in the mounting cylinder, the bottom end of the rotating rod is connected with an output shaft of the rotating motor, and a mounting disc for mounting a grinding disc is fixed at the top end of the rotating rod. The flat grinding machine comprises the grinding disc mechanism. Sliding rails are connected to the two side edges of the rack, two connecting frames are slidably erected between the two sliding rails, and a driving part is connected between each connecting frame and the rack. Each connecting frame is rotationally connected with an aluminum bar clamping part, and each connecting frame is connected with a rotating part used for driving the corresponding aluminum bar clamping part to rotate. The polishing machine can improve the operation stability, and has the advantages of being good in polishing effect, convenient to install, small in environmental pollution and high in control precision.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a grinding equipment field, especially a high stability grinding disc mechanism and flat grinding machine. BACKGROUND

[0002] The flat grinding machine is a kind of equipment that can efficiently complete grinding work, and the grinding disc mechanism is an important component in the flat grinding machine.ZL202021926742.4 discloses a kind of full-automatic double tooling crystal flat grinding machine, wherein grinding disc is directly connected at the top of main shaft, and main shaft rotation needs to be driven by the belt disc at its bottom, and the driving belt disc needs to be laterally sleeved with a belt with driving motor, which will cause lateral interference when main shaft rotates, and easily cause grinding disc shaking problem, and the stability of overall structure is poor.

[0003] Therefore, the grinding disc mechanism in the existing flat grinding machine has poor running stability. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of high stability grinding disc mechanism and flat grinding machine.

[0005] The utility model has the advantage of higher running stability.

[0006] The technical scheme of the utility model: a kind of high stability grinding disc mechanism, including rack;Rack is provided with mounting plate, and the both ends of mounting plate and rack are all connected with the stretchable link that is vertically arranged;Vertical mounting cylinder is fixedly connected in the middle of mounting plate, and rotating motor is fixedly connected at the bottom of mounting cylinder and located below mounting plate;Rotary rod is rotatably connected in mounting cylinder, and the bottom of rotary rod is connected on the output shaft of rotating motor, rotary rod top is fixed with the mounting disc that is horizontally located above mounting plate, and horizontal grinding disc is fixedly connected above mounting disc.

[0007] In the foregoing high stability grinding disc mechanism, the middle of the grinding disc is fixedly connected with a polishing disc with a smaller diameter than the grinding disc, and the grinding disc top surface is provided with annular fine grinding surface and coarse grinding surface corresponding to the position outside the edge of the polishing disc;The rotating motor is a variable frequency speed regulating motor.

[0008] In the foregoing high stability grinding disc mechanism, the outer side surface of the top of the output shaft of the rotating motor is provided with a spline;The bottom of the rotary rod is provided with a spline sleeve fitted outside the spline.

[0009] In the foregoing high stability grinding disc mechanism, waterproof ring is arranged between the bottom surface of mounting disc and the top surface of mounting cylinder, and the waterproof ring is fixedly connected on mounting cylinder by a plurality of annularly distributed screws;Mounting through hole is arranged at the position corresponding to each screw on the mounting disc.

[0010] The mounting plate bottom surface is connected with a first upper water baffle in the shape of a ring downward, a first lower water baffle fixed on the mounting plate is arranged in the first upper water baffle, and the first lower water baffle is arranged in the shape of a ring upward; the edge of the mounting plate is connected with a second upper water baffle downward, a second lower water baffle fixed on the frame is arranged in the second upper water baffle, and the second lower water baffle is arranged upward.

[0011] The flat grinding machine comprises the high-stability grinding disc mechanism, and the frame is connected with sliding rails at both side edges, two connecting frames are slidably arranged between the two sliding rails, a driving part for driving the connecting frame to slide on the two sliding rails is connected between each connecting frame and the frame, an aluminum strip clamping part for clamping a crystal blank is rotatably connected to each connecting frame, and a rotating part for driving the aluminum strip clamping part to rotate is connected to each connecting frame; the frame is connected with a feeding part and a discharge hopper at both ends, respectively; a splash-proof cover corresponding to the outer side of the grinding disc is connected to the frame, and a gap is arranged on the splash-proof cover at a position corresponding to the moving path of the aluminum strip clamping part.

[0012] The feeding part comprises a feeding frame, a horizontal positioning plate is connected to the feeding frame, and a plurality of material block positioning holes are arranged on the positioning plate; a lifting plate is arranged below the positioning plate, a lifting cylinder is connected between the bottom surface of the lifting plate and the feeding frame, a vertical rod is connected to the lifting plate at a position corresponding to each material block positioning hole, and a positioning supporting plate is connected to the top end of each vertical rod and located at the bottom of the material block positioning hole.

[0013] The rotating part is a speed reducer motor fixed on the connecting frame, and the output shaft of the speed reducer motor is fixedly connected with the aluminum strip clamping part.

[0014] The driving part comprises a servo motor fixed on the connecting frame, a gear is connected to the output shaft of the servo motor, a rack fixed on the frame is engaged with the gear, and the rack and the sliding rail are arranged in parallel.

[0015] Compared with the prior art, the grinding disc mechanism in the utility model is characterized in that the mounting plate is arranged on the frame, vertical telescopic rods are connected between both ends of the mounting plate and the frame, the mounting plate can be stably lifted, a vertical mounting cylinder is fixedly connected to the middle part of the mounting plate, a rotating motor fixedly connected to the bottom end of the mounting cylinder is arranged below the mounting plate, the output shaft of the rotating motor is connected with a rotating rod rotatably arranged in the mounting cylinder, the rotating motor can coaxially drive the rotating rod to rotate, and the stability of the mounting disc and the grinding disc at the top end of the rotating rod during rotation is high.

[0016] In addition, the utility model discloses a polishing disc is fixedly connected in the middle of the grinding disc, the annular fine grinding surface and coarse grinding surface are equipped with on the top surface of the grinding disc corresponding the outside of the polishing disc, and the rotating motor is the variable frequency speed regulation motor, so that the grinding disc is adjusted to the appropriate rotating speed when needing coarse grinding, fine grinding or polishing operation, need not set up coarse grinding disc, fine grinding disc and polishing disc respectively, the equipment volume is greatly reduced.

[0017] The output shaft top outside of rotating motor is equipped with spline, and the rotating rod bottom is equipped with spline sleeve matched with spline, so that the rotating motor and the rotating rod only need to be aligned and then inserted, and the shaft assembly is convenient.

[0018] The waterproof ring is arranged between the installation disc bottom surface and the installation cylinder top surface, can avoid the wastewater or impurities when polishing into the installation cylinder, guarantees the stability when the rotating rod rotates, the waterproof ring is fixed with the installation cylinder through a plurality of annular distribution screws, and the connection stability is higher, the installation disc is equipped with the installation through -hole at the position corresponding to each screw, and the screw installation operation is facilitated.

[0019] The cooperation of the downward No. 1 upper water baffle of the installation disc bottom surface annular and the No. 1 lower water baffle of the installation plate can avoid the wastewater or impurities of outside into the two, guarantee that the rotating rod can stably rotate in the installation cylinder, the cooperation of the downward No. 2 upper water baffle of the installation plate edge and the No. 2 lower water baffle of the rack can avoid the wastewater or impurities of outside into the two, guarantee that the two telescopic rods can stably extend and retract, so that the running stability in the rotating and lifting process of the grinding disc is higher.

[0020] The utility model discloses a flat grinding machine is connected with the splash guard outside the grinding disc, avoids the wastewater when polishing and reduces the pollution to the environment, and the accommodation gap on the splash guard makes the connecting frame not be blocked in the running process between the feeding part and the discharge hopper.

[0021] After the lifting flat plate is lifted by the lifting cylinder in the feeding part, the positioning support plate at the bottom of the plurality of material block positioning holes can be lifted synchronously to lift the material block positioned in the material block positioning hole, so that the plurality of material blocks can be synchronously aligned and placed into the clamp of the aluminum row clamping part for clamping, and the feeding efficiency is high and the feeding operation stability is high.

[0022] The reduction motor in the rotating part can drive the aluminum row clamping part to rotate relative to the connecting frame with high precision and stability, and the servo motor in the driving part can drive the connecting frame to slide on the sliding rail by driving the gear to rotate on the rack, so that the control precision is high, and the neatness of the finished product is high.

[0023] Therefore, the utility model not only can improve the running stability, but also has the advantages of good polishing effect, small equipment volume, convenient installation, small environmental pollution and high control precision. ACCURACY

[0024] Figure 1 It is the structure diagram of grinding disc mechanism.

[0025] Figure 2 is Figure 1 is an enlarged view of area A in figure 1;

[0026] Figure 3 is Figure 1 is an enlarged view of area B in figure 1;

[0027] Figure 4 is a structural schematic view of the flat grinding machine;

[0028] Figure 5 is a structural schematic view of the part of the frame and splash guard;

[0029] Figure 6 is a structural schematic view of the part of the connecting frame;

[0030] Figure 7 is a structural schematic view of the feeding part.

[0031] The signs in the drawings are: 1-frame, 2-mounting plate, 3-telescopic rod, 4-mounting cylinder, 5-rotary motor, 6-rotary rod, 7-mounting disc, 8-grinding disc, 9-fine grinding surface, 10-coarse grinding surface, 11-waterproof ring, 12-screw, 13-first upper water baffle, 14-first lower water baffle, 15-second upper water baffle, 16-second lower water baffle, 17-sliding rail, 18-connecting frame, 19-aluminum bar clamping part, 20-discharging hopper, 21-splash guard, 22-clearance notch, 23-feeding frame, 24-positioning flat plate, 25-material block positioning hole, 26-lifting flat plate, 27-lifting cylinder, 28-stand rod, 29-positioning supporting plate, 30-reduction motor, 31-servo motor, 32-gear, 33-rack, 34-mounting through hole, 35-polishing disc. DETAILED DESCRIPTION

[0032] The utility model will be further explained in connection with the drawings and examples below, but it is not as the basis for limiting the utility model.

[0033] Example. A high-stability grinding disc mechanism and flat grinding machine, constitute as shown in Figures 1 to 7 , including frame 1;The frame 1 is provided with mounting plate 2, and the both ends of mounting plate 2 and frame 1 are connected with telescopic rod 3 arranged vertically;The middle part of mounting plate 2 is fixedly connected with vertical mounting cylinder 4, and the bottom end of mounting cylinder 4 is fixedly connected with rotary motor 5 located below mounting plate 2;Rotary rod 6 is rotationally connected in mounting cylinder 4, and the bottom end of rotary rod 6 is connected to the output shaft of rotary motor 5, and the top end of rotary rod 6 is fixed with mounting disc 7 arranged horizontally above mounting plate 2, and mounting disc 7 is fixedly connected with horizontal grinding disc 8 above.

[0034] The middle of the grinding disc 8 is fixedly connected with a polishing disc 35 with a smaller diameter than the grinding disc 8, and the top surface of the grinding disc 8 is provided with an annular fine grinding surface 9 and a coarse grinding surface 10 at positions corresponding to the outside of the edges of the polishing disc 35; the rotating motor 5 is a variable frequency speed regulating motor; the outside surface of the top of the output shaft of the rotating motor 5 is provided with a spline; the bottom of the rotating rod 6 is provided with a spline sleeve fitted outside the spline; a waterproof ring 11 is arranged between the bottom surface of the mounting disc 7 and the top surface of the mounting cylinder 4, and the waterproof ring 11 is fixedly connected to the mounting cylinder 4 by a plurality of annularly distributed screws 12; the mounting disc 7 is provided with a mounting through hole 34 at a position corresponding to each screw 12; the bottom surface of the mounting disc 7 is connected with a first upper water baffle 13 which is annular and downward, and the first upper water baffle 13 is provided with a first lower water baffle 14 which is fixed to the mounting plate 2 and is annular and upward; the edge of the mounting plate 2 is connected with a second upper water baffle 15 which is downward, and the second upper water baffle 15 is provided with a second lower water baffle 16 which is fixed to the rack 1 and is upward.

[0035] A flat grinding machine comprises a high-stability grinding disc mechanism as described above; both sides of the rack 1 are connected with slide rails 17, and two connecting frames 18 are slidably arranged between the two slide rails 17; a driving part is connected between each connecting frame 18 and the rack 1 for driving the connecting frame 18 to slide on the two slide rails 17; an aluminum strip clamping part 19 for clamping a crystal blank is rotatably connected to each connecting frame 18; a rotating part is connected to each connecting frame 18 for driving the aluminum strip clamping part 19 to rotate; the two ends of the rack 1 are respectively connected with a feeding part and a discharge hopper 20; a splash-proof cover 21 is connected to the outside of the grinding disc 8 on the rack 1, and the splash-proof cover 21 is provided with a gap 22 at a position corresponding to the moving path of the aluminum strip clamping part 19.

[0036] The feeding part comprises a feeding frame 23, and a horizontal positioning flat plate 24 is connected to the feeding frame 23, and the positioning flat plate 24 is provided with a plurality of material block positioning holes 25; a lifting flat plate 26 is arranged below the positioning flat plate 24, and a lifting cylinder 27 is connected between the bottom surface of the lifting flat plate 26 and the feeding frame 23; a vertical rod 28 is connected to the lifting flat plate 26 at a position corresponding to each material block positioning hole 25, and the top end of each vertical rod 28 is connected with a positioning supporting plate 29 located at the bottom of the material block positioning hole 25; the rotating part is a reduction motor 30 fixed to the connecting frame 18, and the output shaft of the reduction motor 30 is fixedly connected with the aluminum strip clamping part 19; the driving part comprises a servo motor 31 fixed to the connecting frame 18, and a gear 32 is connected to the output shaft of the servo motor 31, and a rack 33 fixed to the rack 1 is engaged with the gear 32, and the rack 33 and the slide rail 17 are arranged in parallel.

[0037] Working principle: when the grinding disc 8 needs to be rotated, just start the rotating motor 5, as the spline on the output shaft of the rotating motor 5 matches the spline sleeve at the bottom of the rotating rod 6, the rotating motor 5 can drive the rotating rod 6 to rotate, and synchronously drive the mounting disc 7 at the top end of the rotating rod 6 and the grinding disc 8 fixed on the mounting disc 7 to rotate; when the grinding disc 8 needs to be lifted, just make the two vertical telescopic rods 3 on the rack 1 drive the mounting plate 2 to lift, that is, drive the mounting cylinder 4 fixedly connected to the mounting plate 2 to lift, so that the rotating motor 5, the rotating rod 6, the mounting disc 7, the grinding disc 8 and the polishing disc 35 are synchronously lifted.

[0038] A waterproof ring 11 is arranged between the bottom surface of the mounting disc 7 and the top surface of the mounting cylinder 4, which can prevent waste water or impurities from entering the inside of the mounting cylinder 4 during polishing; the waterproof ring 11 is fixedly connected to the mounting cylinder 4 through a plurality of screws 12 thereon, and has high structural stability; the mounting disc 7 is provided with a mounting hole 34 at a position corresponding to each screw 12, which facilitates the installation operation of the screw 12.

[0039] The No. 1 upper water baffle 13 on the bottom surface of the mounting disc 7 cooperates with the No. 1 lower water baffle 14 on the mounting plate 2 to prevent external waste water or impurities from entering therebetween, so as to ensure that the rotating rod 6 can stably rotate in the mounting cylinder 4; the downward No. 2 upper water baffle 15 at the edge of the mounting plate 2 cooperates with the No. 2 lower water baffle 16 on the rack 1 to prevent external waste water or impurities from entering therebetween, so as to ensure that the two telescopic rods 3 can stably extend and retract, thereby ensuring that the grinding disc has high running stability during rotation and lifting.

[0040] When the flat grinder is working, the material block to be polished needs to be placed in the material block positioning hole 25 of the positioning flat plate 24, at this time, the material block can be supported by the positioning support plate 29 at the bottom of the material block positioning hole 25. When the connecting frame 18 on the side close to the feeding part is moved to the feeding part by the servo motor 31 (the servo motor 31 drives the gear 32 to rotate, and the gear 32 rotates on the rack 33 to drive the connecting frame 18 to move to the feeding part along the slide rail 17 on both sides of the rack 1), the lifting cylinder 27 on the feeding frame 23 drives the lifting flat plate 26 to rise, thereby driving the positioning support plate 29 to lift the material block in the material block positioning hole 25 through the vertical rod 28, so that the material block is placed in and clamped on the aluminum rack clamping part 19 (the structure of the aluminum rack clamping part 19 is the same as that of the aluminum rack structure in ZL202021926742.4 mentioned in the background art).

[0041] Then, the servo motor 31 drives the connecting frame 18 to move above the annular rough grinding surface 10 of the grinding disc 8, and the aluminum strip clamping part 19 on the connecting frame 18 enters the splash-proof cover 21 through the gap 22; then, the rotating motor 5 adjusts the rotating speed of the grinding disc 8 to about 1500r / min, and the rotating rough grinding surface 10 rises to contact the material block on the aluminum strip clamping part 19 for rough grinding; after the rough grinding is completed, the grinding disc 8 is lowered, the connecting frame 18 moves the material block above the annular fine grinding surface 9, the rotating motor 5 adjusts the rotating speed of the grinding disc 8 to 1100-1200r / min, and then the fine grinding surface 9 contacts the material block for fine grinding; after the fine grinding is completed, the grinding disc 8 is lowered, the connecting frame 18 moves the material block above the polishing disc 35, the rotating motor 5 adjusts the rotating speed of the grinding disc 8 to about 960r / min, and then the polishing disc contacts the material block for polishing.

[0042] During the rough grinding, fine grinding and polishing processes, the speed reducer motor 30 on the connecting frame 18 can drive the aluminum strip clamping part 19 to rotate relative to the connecting frame 18, so that the side surface of the material block can be polished; the clamp in the aluminum strip clamping part 19 can rotate, so that the entire side surface of the material block can be polished. After the lower half of the material block is polished, the aluminum strip clamping parts 19 on the two connecting frames 18 are rotated to face each other, so that the aluminum strip clamping part 19 on the other connecting frame 18 can clamp the lower half of the material block that has been polished and polish the upper half of the material block; after the material block is polished by the other connecting frame 18, it can be moved above the discharge hopper 20 for discharging. The splashed waste water or impurities during the polishing process can be blocked by the splash-proof cover 21, so that the external environment is not excessively polluted.

Claims

1. A high-stability grinding table mechanism comprising a frame (1); characterized in that: The rack (1) is provided with a mounting plate (2), both ends of the mounting plate (2) and the rack (1) are connected with a vertically arranged telescopic rod (3); the middle part of the mounting plate (2) is fixedly connected with a vertical mounting cylinder (4), the bottom end of the mounting cylinder (4) is fixedly connected with a rotating motor (5) located below the mounting plate (2); the mounting cylinder (4) is rotatably connected with a rotating rod (6), the bottom end of the rotating rod (6) is connected with the output shaft of the rotating motor (5), the top end of the rotating rod (6) is fixedly connected with a mounting disc (7) located above the mounting plate (2) in a horizontal manner, and the top of the mounting disc (7) is fixedly connected with a horizontal grinding disc (8).

2. A high stability grinding table mechanism according to claim 1, wherein: The middle part of the grinding disc (8) is fixedly connected with a polishing disc (35) with a smaller diameter than the grinding disc (8), and the top surface of the grinding disc (8) is provided with an annular fine grinding surface (9) and a coarse grinding surface (10) at positions corresponding to the edges outside the polishing disc (35); and the rotating motor (5) is a variable frequency speed regulating motor.

3. A high stability grinding table mechanism according to claim 1, wherein: The outer side surface of the top of the output shaft of the rotating motor (5) is provided with a spline; and the bottom of the rotating rod (6) is provided with a spline sleeve fitted outside the spline.

4. A high stability grinding table mechanism according to claim 1, wherein: A waterproof ring (11) is arranged between the bottom surface of the mounting disc (7) and the top surface of the mounting cylinder (4), and the waterproof ring (11) is fixedly connected to the mounting cylinder (4) by a plurality of annularly distributed screws (12); and the mounting disc (7) is provided with a mounting through hole (34) at a position corresponding to each screw (12).

5. A high stability grinding table mechanism according to claim 1, wherein: The bottom surface of the mounting disc (7) is connected with a No. 1 upper water baffle (13) which is annular and downward, and the No. 1 upper water baffle (13) is provided with a No. 1 lower water baffle (14) fixed to the mounting plate (2) inside, and the No. 1 lower water baffle (14) is annular and upward; the edge of the mounting plate (2) is connected with a downward No. 2 upper water baffle (15), and the No. 2 upper water baffle (15) is provided with a No. 2 lower water baffle (16) fixed to the rack (1) inside, and the No. 2 lower water baffle (16) is upward.

6. A flat grinder characterized by: A high-stability grinding disc mechanism is provided, which comprises the rack (1) and the grinding disc (8) as claimed in any one of claims 1 to 5; the two side edges of the rack (1) are connected with slide rails (17), two connecting frames (18) are slidably arranged between the two slide rails (17), a driving part for driving the connecting frame (18) to slide on the two slide rails (17) is connected between each connecting frame (18) and the rack (1); an aluminum strip clamping part (19) for clamping a crystal blank is rotatably connected to each connecting frame (18), and a rotating part for driving the aluminum strip clamping part (19) to rotate is connected to each connecting frame (18); the two ends of the rack (1) are respectively connected with a feeding part and a discharge hopper (20); a splash-proof cover (21) is connected to the rack (1) outside the grinding disc (8), and a gap (22) is arranged at a position corresponding to the movement path of the aluminum strip clamping part (19) on the splash-proof cover (21).

7. A pan mill as claimed in claim 6, wherein: The feeding part comprises a feeding frame (23), a horizontal positioning flat plate (24) is connected to the feeding frame (23), and a plurality of block positioning holes (25) are arranged on the positioning flat plate (24); a lifting flat plate (26) is arranged below the positioning flat plate (24), a lifting cylinder (27) is connected between the bottom surface of the lifting flat plate (26) and the feeding frame (23), a vertical rod (28) is connected to the lifting flat plate (26) at a position corresponding to each block positioning hole (25), and the top end of each vertical rod (28) is connected to a positioning supporting plate (29) located at the bottom of the block positioning hole (25).

8. A pan mill as claimed in claim 6, wherein: The rotating part is a speed reducer motor (30) fixed on the connecting frame (18), and the output shaft of the speed reducer motor (30) is fixedly connected with the aluminum row clamping part (19).

9. A pan mill as claimed in claim 6, wherein: The driving part comprises a servo motor (31) fixed on the connecting frame (18), a gear (32) is connected to the output shaft of the servo motor (31), the gear (32) is meshed with a rack (33) fixed on the rack (1), and the rack (33) and the sliding rail (17) are arranged in parallel.

Citation Information

Patent Citations

  • Full-automatic double-tool crystal flat grinding machine

    CN212420655U