Precise desktop grinding machine

Through the design of the precision desktop grinder, the use of a processing table, a fixing mechanism and a U-shaped frame structure solves the problem that traditional grinders cannot grind in large quantities, achieves efficient metal workpiece grinding, and improves operational convenience through a water spray system and sewage collection device.

CN223313748UActive Publication Date: 2025-09-09MEGA INSTR(SUZHOU) CO LTD
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Patent Information

Application Number
CN202422376409.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-09-09
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

Traditional disc-type desktop grinders are limited in the amount of workpieces they can grind at one time and are unable to grind large quantities of metal workpieces, resulting in low grinding efficiency.

Method used

A precision desktop grinder was designed, which adopted a processing table, a fixing mechanism and a U-shaped frame structure. Through the combination of a translation screw, a lifting electric rod and a grinding motor, it can realize batch grinding of workpieces. It is also equipped with a water spray system and a sewage collection device to improve efficiency and facilitate operation.

Benefits of technology

It achieves efficient grinding of large quantities of metal workpieces, improves grinding efficiency, and improves operational convenience through water spray cooling and sewage collection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of grinding machines, in particular to a precise desktop grinding machine. According to the technical scheme, the device comprises a machining table, a fixing mechanism and a U-shaped frame, a rectangular notch is formed in the left end of the machining table, two side baffles are transversely and symmetrically installed at the positions, located at the rectangular notch, of the upper surface of the machining table, a movable baffle is arranged at the left end between the two side baffles, and the fixing mechanism is arranged at the right end between the two side baffles; translation lead screws are rotatably installed in the two rectangular grooves, the two U-shaped edges of the U-shaped frame are in spiral connection with the two translation lead screws, two lifting electric rods are installed in the middle of a cross beam of the U-shaped frame, two polished rods are slidably installed at the two ends of the cross beam of the U-shaped frame, and an installation plate is jointly installed at the extending ends of the two lifting electric rods and the lower ends of the two polished rods. A grinding motor and a grinding roller are mounted at the bottom of the mounting plate; and an output shaft of the grinding motor is connected with a grinding roller rotating shaft through a flange. The metal workpiece grinding device can grind metal workpieces on a large scale, and the grinding efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of grinders, in particular to a precision desktop grinder. Background Art

[0002] The main types of grinders on the market include disc grinders, rotary shaft grinders and various special grinders. Among them, disc table grinders are mainly used for grinding the surface of metal workpieces.

[0003] When a traditional disc-type desktop grinder grinds metal workpieces, the amount of workpieces ground at one time is limited and it cannot grind metal workpieces in large quantities, which reduces the workpiece grinding efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a precision desktop grinder, which has the advantages of grinding metal workpieces in large quantities, improving the workpiece grinding efficiency, and solving the problems mentioned in the background technology.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a precision desktop grinding machine, comprising a processing table, a fixing mechanism and a U-shaped frame, wherein the left end of the processing table is provided with a rectangular notch and three circular grooves, and the upper surface of the processing table is laterally symmetrically installed with two side baffles at the rectangular notch, a movable baffle is provided at the left end between the two side baffles, and a fixing mechanism is provided at the right end. The front and rear ends of the upper surface of the processing table are symmetrically provided with two rectangular grooves, and a translation screw rod is rotatably installed in the two rectangular grooves. The two translation screw rods are connected to the output shafts of two translation motors installed on the right side of the processing table through flanges. The two U-shaped side limits of the U-shaped frame are installed in the two rectangular grooves and are spirally connected to the two translation screw rods. Two lifting electric rods are installed in the middle of the U-shaped frame crossbeam, and two polish rods are slidably installed at both ends. The protruding ends of the two lifting electric rods and the lower ends of the two polish rods are jointly installed with a mounting plate, and a grinding motor and a grinding roller are installed at the bottom of the mounting plate, and the output shaft of the grinding motor is connected to the grinding roller rotating shaft through a flange.

[0006] Preferably, four supporting legs are installed in a rectangular array at the four corners of the bottom end of the processing table, and a reinforcing rod is installed between the lower ends of the four supporting legs. By arranging the reinforcing rod, the supporting strength of the four supporting legs is increased.

[0007] Preferably, the upper surface of the processing table is provided with two water leakage notches between the two side baffles, and the lower surface of the processing table is provided with drainage grooves at the two water leakage notches. By providing the water leakage notches and the drainage grooves, the sewage during grinding can be drained away and collected centrally.

[0008] Preferably, three round rods are equidistantly installed on the back of the movable baffle, and the three round rods are respectively inserted into three circular grooves. By arranging three round rods on the back of the baffle and inserting them into the circular grooves, the baffle can be fixed and the subsequent unloading is convenient.

[0009] Preferably, the fixing mechanism is composed of a fixing plate, two fixing electric rods and a clamping plate, wherein the fixing plate is mounted on the processing table, two fixing electric rods are mounted on the right side of the fixing plate, and the clamping plate is mounted on the protruding ends of the two fixing electric rods. By setting up the fixing mechanism, the workpiece can be fixed.

[0010] Preferably, a water spray pipe is installed on the left side of the U-shaped frame crossbeam, a row of nozzles are installed at the bottom of the water spray pipe, the water spray pipe is connected to the external water source through a hose, and the hose is fixed to the U-shaped frame through a fixed sleeve. By setting the water spray pipe, water can be sprayed to cool the workpiece during grinding.

[0011] Preferably, a discharge chute is installed at the bottom of the processing table at the rectangular notch. By setting the discharge chute, the ground workpiece can be drained during unloading.

[0012] Preferably, a control box is installed at the bottom of the processing table close to the inner side of the right support leg, and the control box is electrically connected to the lifting electric rod, the fixed electric rod, the translation motor and the grinding motor. By setting up the control box, it is convenient to control the grinding work as a whole.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] When the utility model is in use, the workpiece is placed in sequence between the two side baffles along the movable baffle. After the workpiece is full, the two fixed electric rods work to drive the clamping plate to move left to clamp the workpiece, the two lifting electric rods work to drive the grinding roller to descend to the grinding position, the grinding motor works to drive the grinding roller to rotate and start grinding, the two translation motors work to drive the two translation screws to rotate, the rotation of the two translation screws drives the U-shaped frame to move from right to left, and the grinding rollers are driven from the second to move to grind the workpiece in sequence, thereby realizing the grinding of metal workpieces in large quantities and improving the workpiece grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a top view of the utility model;

[0017] Figure 3 It is a partial side view of the utility model.

[0018] In the figure: 1. Processing table; 2. Drainage trough; 3. Support leg; 4. Discharge chute; 5. Circular groove; 6. Round rod; 7. Side baffle; 8. U-shaped frame; 9. Nozzle; 10. Water spray pipe; 11. Lifting electric rod; 12. Polished rod; 13. Fixed plate; 14. Fixed electric rod; 15. Translation motor; 16. Control box; 17. Movable baffle; 18. Leakage notch; 19. Hose; 20. Fixed sleeve; 21. Clamp; 22. Rectangular groove; 23. Translation screw rod; 24. Mounting plate; 25. Grinding motor; 26. Grinding roller. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figures 1 to 3 The utility model provides a technical solution for a precision desktop grinder: a precision desktop grinder, comprising a processing table 1, a fixing mechanism and a U-shaped frame 8. Four supporting legs 3 are installed in a rectangular array at the four corners of the bottom end of the processing table 1. A reinforcing rod is installed between the lower ends of the four supporting legs 3. A rectangular notch is opened at the left end of the processing table 1, and three circular grooves 5 are opened. Two side baffles 7 are installed laterally symmetrically at the rectangular notch on the upper surface of the processing table 1. A movable baffle 17 is provided at the left end between the two side baffles 7, and a fixing mechanism is provided at the right end. The back of the movable baffle 17 is equidistantly installed. Three round rods 6 are respectively inserted into the three circular grooves 5. The fixing mechanism is composed of a fixed plate 13, two fixed electric rods 14 and a clamping plate 21. The fixed plate 13 is installed on the processing table 1. Two fixed electric rods 14 are installed on the right side of the fixed plate 13. The protruding ends of the two fixed electric rods 14 are jointly installed with a clamping plate 21. When in use, the workpiece is placed in sequence between the two side baffles 7 along the movable baffle 17. After it is full, the two fixed electric rods 14 are started through the control box 16. The two fixed electric rods 14 drive the clamping plate 21 to move left to clamp the workpiece.

[0021] Two rectangular grooves 22 are symmetrically provided at the front and rear ends of the upper surface of the processing table 1. A translation screw 23 is rotatably installed in the two rectangular grooves 22. The two translation screws 23 are connected to the output shafts of the two translation motors 15 installed on the right side of the processing table 1 through flanges. The two U-shaped side limits of the U-shaped frame 8 are installed in the two rectangular grooves 22 and are spirally connected to the two translation screws 23. Two lifting electric rods 11 are installed in the middle of the crossbeam of the U-shaped frame 8, and two polished rods 12 are slidably installed at both ends. The protruding ends of the two lifting electric rods 11 and the lower ends of the two polished rods 12 are jointly installed with a mounting plate 24, and the mounting plate 2 A grinding motor 25 and a grinding roller 26 are installed at the bottom. The output shaft of the grinding motor 25 is connected to the rotating shaft of the grinding roller 26 through a flange. The two lifting electric rods 11, the grinding motor 25 and the two translation motors 15 are started through the control box 16. The two lifting electric rods 11 work to drive the grinding roller 26 to descend to the grinding position. The grinding motor 25 works to drive the grinding roller 26 to rotate and start grinding. The two translation motors 15 work to drive the two translation screws 23 to rotate. The rotation of the two translation screws 23 drives the U-shaped frame 8 to move from right to left, and drives the grinding rollers 26 to move and grind the workpiece in sequence.

[0022] A water spray pipe 10 is installed on the left side of the crossbeam of the U-shaped frame 8, and a row of nozzles 9 are installed at the bottom of the water spray pipe 10. The water spray pipe 10 is connected to the external water source through a hose 19, and the hose 19 is fixed to the U-shaped frame 8 through a fixed sleeve 20. The upper surface of the processing table 1 is located between the two side baffles 7 and has two leakage notches 18. The lower surface of the processing table 1 is provided with a drainage trough 2 at the two leakage notches 18, and the bottom of the processing table 1 is provided with a discharge trough 4 at the rectangular notch; during grinding, the external water source enters the water spray pipe 10 from the hose 19 and is sprayed from the nozzle 9 to spray water on the workpiece in advance. Most of the water during grinding leaks from the two leakage notches 18 and is drained from the drainage trough 2 to the rough processing table 1 for centralized collection. After grinding, the movable baffle 17 is pulled out, and the ground workpiece is moved to the left and slides out of the processing table 1 along the discharge trough 4. A control box 16 is installed at the bottom of the processing table 1 close to the inner side of the right supporting leg 3. The control box 16 is electrically connected to the lifting electric rod 11, the fixed electric rod 14, the translation motor 15 and the grinding motor 25 respectively.

[0023] All motors in this utility model are designed with small servo motors - model 14HS2408. This model of motor is only used as a reference for personnel in the relevant technical field. Personnel in the relevant technical field can select motors with the same parameters and functions for installation, debugging and use according to actual production needs. This utility model does not elaborate on this.

[0024] When the utility model is used, the workpiece is placed between the two side baffles 7 along the movable baffle 17 in sequence. After the workpiece is full, the two fixed electric rods 14 are started through the control box 16. The two fixed electric rods 14 drive the clamping plate 21 to move left to clamp the workpiece. Then, the two lifting electric rods 11, the grinding motor 25 and the two translation motors 15 are started through the control box 16. The two lifting electric rods 11 drive the grinding roller 26 to descend to the grinding position. The grinding motor 25 drives the grinding roller 26 to rotate and start grinding. The two translation motors 1 5 works to drive the two translation screws 23 to rotate, and the rotation of the two translation screws 23 drives the U-shaped frame 8 to move from right to left, and drives the grinding rollers 26 to move to grind the workpiece in sequence. During grinding, external water enters the water spray pipe 10 from the hose 19 and is sprayed from the nozzle 9 to spray water on the workpiece in advance. Most of the water during grinding leaks from the two leakage grooves 18 and is drained to the rough processing table 1 through the drainage groove 2 for centralized collection. After grinding is completed, the movable baffle 17 is pulled out, and the ground workpiece moves to the left and slides out of the processing table 1 along the discharge chute 4.

[0025] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A precision desktop grinding machine, comprising a processing table (1), a fixing mechanism and a U-shaped frame (8), characterized in that: The left end of the processing table (1) is provided with a rectangular notch and three circular grooves (5). Two side baffles (7) are symmetrically installed on the upper surface of the processing table (1) at the rectangular notch. A movable baffle (17) is provided at the left end between the two side baffles (7) and a fixing mechanism is provided at the right end. Two rectangular grooves (22) are symmetrically provided at the front and rear ends of the upper surface of the processing table (1). Translation screw rods (23) are rotatably installed in the two rectangular grooves (22). The two translation screw rods (23) are connected to two translation motors (15) installed on the right side of the processing table (1) through flanges. The output shaft is connected, the two U-shaped side limits of the U-shaped frame (8) are installed in two rectangular grooves (22) and are spirally connected to the two translation screw rods (23), two lifting electric rods (11) are installed in the middle of the crossbeam of the U-shaped frame (8), and two polished rods (12) are slidably installed at both ends. The protruding ends of the two lifting electric rods (11) and the lower ends of the two polished rods (12) are jointly installed with a mounting plate (24), and a grinding motor (25) and a grinding roller (26) are installed at the bottom of the mounting plate (24), and the output shaft of the grinding motor (25) is connected to the rotating shaft of the grinding roller (26) through a flange.

2. A precision desktop grinding machine according to claim 1, characterized in that: Four supporting legs (3) are installed in a rectangular array at the four corners of the bottom end of the processing table (1), and a reinforcing rod is installed between the lower ends of the four supporting legs (3).

3. A precision desktop grinding machine according to claim 1, characterized in that: The upper surface of the processing table (1) is provided with two water leakage notches (18) between the two side baffles (7), and the lower surface of the processing table (1) is provided with a drainage trough (2) at the two water leakage notches (18).

4. The precision desktop grinding machine according to claim 1, characterized in that: Three round rods (6) are equidistantly mounted on the back of the movable baffle (17), and the three round rods (6) are respectively inserted into the three circular grooves (5).

5. The precision desktop grinding machine according to claim 1, characterized in that: The fixing mechanism is composed of a fixing plate (13), two fixing electric rods (14) and a clamping plate (21). The fixing plate (13) is installed on the processing table (1). Two fixing electric rods (14) are installed on the right side of the fixing plate (13). The protruding ends of the two fixing electric rods (14) are jointly installed with the clamping plate (21).

6. The precision desktop grinding machine according to claim 1, characterized in that: A water spray pipe (10) is installed on the left side of the crossbeam of the U-shaped frame (8), and a row of nozzles (9) are installed at the bottom of the water spray pipe (10). The water spray pipe (10) is connected to an external water source through a hose (19), and the hose (19) is fixed to the U-shaped frame (8) through a fixing sleeve (20).

7. The precision desktop grinding machine according to claim 1, characterized in that: A discharge trough (4) is installed at the rectangular notch on the bottom of the processing table (1).

8. The precision desktop grinding machine according to claim 1, characterized in that: A control box (16) is installed at the bottom of the processing table (1) close to the inner side of the right supporting leg (3), and the control box (16) is electrically connected to the lifting electric rod (11), the fixed electric rod (14), the translation motor (15) and the grinding motor (25).