Double-station numerical control internal grinding machine

Abstract

The utility model relates to the technical field of numerical control grinding machines, and discloses a double-station numerical control internal grinding machine which comprises a protection box and a moving block, the upper surface of the moving block is fixedly connected with a supporting plate, the outer wall of the supporting plate is fixedly connected with a motor, and the output end of the motor is fixedly connected with a mounting disc. The outer wall of the mounting disc is fixedly connected with a fixing shell, the outer wall of the mounting disc is fixedly connected with a supporting column, the outer wall of the mounting disc is fixedly connected with a fixing block, the inner wall of the fixing block is rotatably connected with a screw column, and the outer wall of the screw column is in threaded connection with a first clamping plate. According to the utility model, firstly, the screw column drives the first clamping plate to slide, the first clamping plate drives the gear to rotate through the first tooth pattern plate, the gear drives the second clamping plate to slide through the second tooth pattern plate, and then the second clamping plate and the first clamping plate are driven to move relatively, so that the four sides of the grinding head are fixedly mounted and dismounted; therefore, the machining requirements of inner holes in different shapes can be met, and the adaptability and flexibility of the grinding machine are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of CNC grinders, in particular to a double-station CNC internal grinder. Background Art

[0002] A grinder is a machine tool used to grind the surface of a workpiece. Through the grinding operation, the grinder can accurately remove material from the surface of the workpiece to achieve the requirements of machining accuracy and surface quality. A CNC internal cylindrical grinder is a machine tool mainly used for machining the inner hole of a workpiece, including grinding and machining of precise inner diameters and inner hole surfaces. Therefore, a double-station CNC internal cylindrical grinder is proposed.

[0003] After searching, a high-precision CNC internal cylindrical grinder is disclosed in the announcement number: CN207155410U, including a grinder body, a support plate is fixedly installed on one side of the top of the grinder body, a placement groove is opened on the other side of the top of the grinder body, two groups of first support rods are welded on the inner wall of the bottom end of the placement groove, and the top of the first support rod is provided with a first elastic rod, two oppositely arranged fixed plates are arranged above the grinder body, and the bottom end of the fixed plate is fixedly connected to the top of the first elastic rod, and two pressing plates are arranged between the fixed plates, and a plurality of second elastic rods and second support rods are correspondingly welded on the side where the pressing plate and the fixed plate are close to each other, wherein the first support rod and the second support rod are provided with an elastic cavity, and a spring is fixedly connected to the inner wall of the elastic cavity. The utility model has a reasonable design, high precision, and meets the requirements of clamping workpieces of different specifications, is convenient for grinding the inner hole of parts, and effectively improves the working efficiency and use quality of the CNC internal cylindrical grinder.

[0004] The above application satisfies the need to clamp workpieces of different specifications, facilitates grinding of the inner holes of parts, and effectively improves the working efficiency and use quality of the CNC internal cylindrical grinder. However, during use, the grinding head cannot be replaced, and the processing requirements for inner holes of different shapes cannot be met, which reduces the adaptability and flexibility of the grinder and affects the processing efficiency of the workpiece. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a double-station CNC internal cylindrical grinder, which aims to improve the problem that the grinding head cannot be replaced, cannot meet the processing requirements of internal holes of different shapes, reduces the adaptability and flexibility of the grinder, and affects the processing efficiency of the workpiece.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The outer wall of the second gear is fixedly connected to the gear of the motor, and the outer wall of the second gear is fixedly connected to the gear of the motor.

[0008] Preferably, the pushing assembly includes a hydraulic cylinder, an outer wall of the hydraulic cylinder is fixedly connected to the outer wall of the protective box, an output end of the hydraulic cylinder is fixedly connected to the outer wall of the moving block, the interior of the moving block is slidably connected with a guide rail, and the lower surface of the guide rail is fixedly connected to the inner wall of the protective box.

[0009] Preferably, a placement rack is fixedly connected inside the protection box, and a claw plate is fixedly connected to the outer wall of the placement rack.

[0010] Preferably, a limit plate is fixedly connected to the inner wall of the protection box, and a fan is fixedly connected to the lower surface of the limit plate.

[0011] Preferably, an opening and closing plate is slidably connected to the inner wall of the protection box, and a handle is fixedly connected to the outer wall of the opening and closing plate.

[0012] Preferably, a collecting box is fixedly connected to the lower surface of the protection box, and a ventilation slot is provided inside the collecting box.

[0013] Preferably, an inclined block is fixedly connected to the inner wall of the collection box, and a slide rail is fixedly connected to the inner wall of the collection box.

[0014] Preferably, a drawer is slidably connected to the outer wall of the slide rail, and a leg is fixedly connected to the lower surface of the collection box.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, the screw column is first rotated, and the screw column drives the first clamping plate to slide, and the first clamping plate drives the gear to rotate through the first toothed plate, and the gear drives the second clamping plate to slide through the second toothed plate, thereby driving the second clamping plate and the first clamping plate to move relative to each other, and the four sides of the grinding head are fixedly installed and disassembled, thereby meeting the processing requirements of inner holes of different shapes and improving the adaptability and flexibility of the grinding machine.

[0017] 2. In the utility model, the workpieces to be polished are placed on the claw disk and fixed respectively, and then the motor is turned on. The motor can drive the grinding head to rotate through the support column, and then the hydraulic cylinders at both ends of the protective box can be opened respectively. The hydraulic cylinders push the moving block to move on the outer wall of the guide rail, so that the workpiece fixed by the claw disk can be fully polished by the grinding head, so that two workpieces can be polished at the same time, thereby improving processing efficiency.

[0018] 3. In the utility model, the fan rushes the air flow to the inside of the protective box, and blows the waste chips generated in the protective box into the inner wall of the collection box through the ventilation groove. After the waste chips touch the inclined block, they are collected in the drawer, and then the drawer is pulled to slide outward on the outer wall of the slide rail. After that, the waste chips can be cleaned and collected, thereby keeping the workplace clean and tidy, effectively extending the service life of the equipment, reducing pollution to the environment, and meeting environmental protection requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of a double-station CNC internal grinding machine proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the interior of a protective box of a double-station CNC internal grinding machine proposed by the utility model;

[0021] Figure 3 A schematic diagram of a fixed block of a double-station CNC internal grinding machine proposed by the utility model;

[0022] Figure 4 The utility model discloses a drawer schematic diagram of a double-station CNC internal grinding machine.

[0023] Legend:

[0024] 1. Protective box; 2. Moving block; 3. Support plate; 4. Motor; 5. Mounting plate; 6. Support column; 7. Fixed block; 8. Screw column; 9. First clamping plate; 10. First toothed plate; 11. Gear; 12. Second toothed plate; 13. Second clamping plate; 14. Grinding head; 15. Fixed shell; 16. Hydraulic cylinder; 17. Guide rail; 18. Placement rack; 19. Claw plate; 20. Limit plate; 21. Fan; 22. Opening and closing plate; 23. Pull handle; 24. Collection box; 25. Ventilation slot; 26. Inclined block; 27. Slide rail; 28. Drawer; 29. ​​Leg. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings of the specification of this utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-Figure 3 The utility model provides an embodiment: a duplex CNC internal grinding machine, comprising a protective box 1 and a moving block 2, the upper surface of the moving block 2 is fixedly connected with a support plate 3, the outer wall of the support plate 3 is fixedly connected with a motor 4, the output end of the motor 4 is fixedly connected with a mounting plate 5, the outer wall of the mounting plate 5 is fixedly connected with a fixed shell 15, the outer wall of the mounting plate 5 is fixedly connected with a support column 6, the outer wall of the mounting plate 5 is fixedly connected with a fixed block 7, the inner wall of the fixed block 7 is rotatably connected with a screw column 8, the outer wall of the screw column 8 is threadedly connected with a first clamping plate 9, the outer wall of the first clamping plate 9 is slidably connected to the outer wall of the mounting plate 5, and the outer wall of the first clamping plate 9 is fixed A first toothed plate 10 is connected, a gear 11 is threadedly connected to the outer wall of the first toothed plate 10, a second toothed plate 12 is threadedly connected to the outer wall of the gear 11, a second clamping plate 13 is fixedly connected to the outer wall of the second clamping plate 12, a grinding head 14 is provided on the outer wall of the second clamping plate 13 and the first clamping plate 9, and a pushing component is provided on the outer wall of the protection box 1; the pushing component includes a hydraulic cylinder 16, the outer wall of the hydraulic cylinder 16 is fixedly connected to the outer wall of the protection box 1, the output end of the hydraulic cylinder 16 is fixedly connected to the outer wall of the moving block 2, the inner part of the moving block 2 is slidably connected to a guide rail 17, and the lower surface of the guide rail 17 is fixedly connected to the inner wall of the protection box 1;

[0027] Specifically, the moving block 2 has a fixed supporting function for the support plate 3, and the support plate 3 can fix the position of the motor 4. When the motor 4 is turned on, the grinding head 14 can be driven to rotate through the mounting plate 5. The mounting plate 5 can be supported by the support column 6 and drive another mounting plate 5 to rotate, and the fixed shell 15 can protect the grinding head 14 from being disturbed by waste chips when it rotates, and when the grinding head 14 needs to be replaced, the two screw posts 8 are rotated through the grooves of the fixed shell 15, and the screw posts 8 can rotate on the inner wall of the fixed block 7, and drive the first clamping plate 9 to slide on the outer wall of the mounting plate 5 through the threaded connection, and the first clamping plate 9 can drive the gear 11 to rotate on the outer wall of the mounting plate 5 through the first toothed plate 10, and the gear 11 can be driven by the second toothed plate The pattern plate 12 drives the second clamping plate 13 to slide, and then drives the second clamping plate 13 and the first clamping plate 9 to move relative to each other, so as to fix the two sides of the grinding head 14, and when the other screw column 8 rotates, it can drive the second clamping plate 13 and the first clamping plate 9 to fix the upper and lower ends of the grinding head 14, thereby ensuring the stability of the grinding head 14 during rotation, and then the grinding head 14 can be replaced and fixedly installed to meet the processing requirements of inner holes of different shapes, improve production efficiency and flexibility, and open the hydraulic cylinders 16 at both ends of the protective box 1. The hydraulic cylinders 16 can push the moving block 2 to move on the outer wall of the guide rail 17, so that the workpiece can be fully polished by the grinding head 14, and two workpieces can be polished at the same time, thereby improving processing efficiency.

[0028] Reference Figure 2 The protective box 1 is fixedly connected to a placement rack 18, and the outer wall of the placement rack 18 is fixedly connected to a claw plate 19;

[0029] Specifically, the protective box 1 has a fixed support function for the placement rack 18, the placement rack 18 can fix the claw plate 19, and the claw plate 19 can fix the workpiece to ensure the stability of the workpiece during grinding.

[0030] Reference Figure 2 and Figure 4 The inner wall of the protection box 1 is fixedly connected with a limit plate 20, and the lower surface of the limit plate 20 is fixedly connected with a fan 21; the inner wall of the protection box 1 is slidably connected with an opening and closing plate 22, and the outer wall of the opening and closing plate 22 is fixedly connected with a handle 23; the lower surface of the protection box 1 is fixedly connected with a collection box 24, and a ventilation slot 25 is opened inside the collection box 24; the inner wall of the collection box 24 is fixedly connected with an inclined block 26, and the inner wall of the collection box 24 is fixedly connected with a slide rail 27; the outer wall of the slide rail 27 is slidably connected with a drawer 28, and the lower surface of the collection box 24 is fixedly connected with a leg 29;

[0031] Specifically, the protective box 1 has a fixed supporting function for the limit plate 20, and the limit plate 20 can fix the position of the fan 21 to ensure the stability of the fan 21 when working. The opening and closing plate 22 has a fixing function on the pull handle 23, and pulling the pull handles 23 at both ends of the protective box 1 drives the opening and closing plate 22 to slide on the inner wall of the protective box 1, and the interior of the protective box 1 can be opened or closed to ensure the safety of the technicians with waste chips generated during the grinding of the workpiece. When the fan 21 is turned on, the waste chips inside the protective box 1 can be blown into the inner wall of the collection box 24 through the ventilation groove 25. The collection box 24 has a fixed supporting function for the inclined block 26. The inclined block 26 can collect the waste chips into the drawer 28, and when the drawer 28 is pulled, the drawer 28 can be pulled out of the inner wall of the collection box 24 through the slide rail 27, and then the waste chips in the drawer 28 can be cleaned and recycled, and the support legs 29 can support the grinder to ensure its working stability.

[0032] Working principle: When the grinder is needed, the technician can pull the handles 23 at both ends of the protective box 1 to drive the opening and closing plates 22 to slide, open the interior of the protective box 1, and then fix the workpiece to be ground through the two claw plates 19 fixed on the outer wall of the placement frame 18, and then turn on the motor 4, which can drive the grinding head 14 to rotate through the mounting plate 5, and respectively open the hydraulic cylinders 16 at both ends of the protective box 1. The hydraulic cylinder 16 can push the moving block 2 to move on the outer wall of the guide rail 17, so that the workpiece fixed by the claw plate 19 can be ground through the grinding head 14. The grinding head 14 can be fully polished, and two workpieces can be polished at the same time to improve the processing efficiency. When the grinding head 14 needs to be replaced, the two screws 8 are rotated through the grooves of the fixed shell 15. The screws 8 can rotate on the inner wall of the fixed block 7, and the first clamping plate 9 is driven to slide on the outer wall of the mounting plate 5 through the threaded connection. The first clamping plate 9 can drive the gear 11 to rotate on the outer wall of the mounting plate 5 through the first toothed plate 10, and the gear 11 can drive the second clamping plate 13 to slide through the second toothed plate 12, thereby driving the second clamping plate 13 to rotate with the first clamping plate 9. By moving, both sides of the grinding head 14 can be fixed, and when the other screw column 8 rotates, it can drive the second clamping plate 13 and the first clamping plate 9 to fix the upper and lower ends of the grinding head 14, so as to ensure the stability of the grinding head 14 when rotating. At the same time, the grinding head 14 can be replaced to meet the processing requirements of inner holes of different shapes, improve production efficiency and flexibility. When grinding the workpiece, waste chips are easy to appear. Turn on the fan 21 fixed by the limit plate 20. The fan 21 can rush the airflow to the inside of the protective box 1, and the waste chips generated in the protective box 1 are passed through the ventilation slots. 25 is blown into the inner wall of the guide collection box 24. After the waste chips touch the inclined block 26, the waste chips can be collected in the drawer 28, and then the drawer 28 is pulled to slide outward on the outer wall of the slide rail 27. After that, the waste chips can be cleaned and collected. That is, the device can not only replace the grinding head 14 to meet the processing requirements of inner holes of different shapes and improve adaptability and flexibility, but also process two workpieces at the same time to improve production efficiency, and can also quickly clean and collect waste chips, keep the workplace clean and tidy, effectively extend the service life of the equipment, reduce pollution to the environment, and meet environmental protection requirements.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A double-station CNC internal grinding machine, comprising a protective box (1) and a moving block (2), characterized in that: The upper surface of the moving block (2) is fixedly connected to a support plate (3), the outer wall of the support plate (3) is fixedly connected to a motor (4), the output end of the motor (4) is fixedly connected to a mounting plate (5), the outer wall of the mounting plate is fixedly connected to a fixed shell, the outer wall of the mounting plate (5) is fixedly connected to a support column (6), the outer wall of the mounting plate (5) is fixedly connected to a fixed block (7), the inner wall of the fixed block (7) is rotatably connected to a threaded column (8), the outer wall of the threaded column (8) is threadedly connected to a first clamping plate (9), and the first clamping plate (9) is fixedly connected to the outer wall of the mounting plate (5). The outer wall of the plate (9) is slidably connected to the outer wall of the mounting plate (5); the outer wall of the first clamping plate (9) is fixedly connected to the first toothed plate (10); the outer wall of the first toothed plate (10) is threadedly connected to the gear (11); the outer wall of the gear (11) is threadedly connected to the second toothed plate (12); the outer wall of the second toothed plate (12) is fixedly connected to the second clamping plate (13); the outer walls of the second clamping plate (13) and the first clamping plate (9) are both provided with grinding heads (14); and the outer wall of the protective box (1) is provided with a pushing assembly.

2. A double-station CNC internal grinding machine according to claim 1, characterized in that: The pushing assembly comprises a hydraulic cylinder (16), the outer wall of the hydraulic cylinder (16) is fixedly connected to the outer wall of the protective box (1), the output end of the hydraulic cylinder (16) is fixedly connected to the outer wall of the moving block (2), the interior of the moving block (2) is slidably connected to a guide rail (17), and the lower surface of the guide rail (17) is fixedly connected to the inner wall of the protective box (1).

3. A double-station CNC internal grinding machine according to claim 1, characterized in that: A placement rack (18) is fixedly connected inside the protection box (1), and a claw plate (19) is fixedly connected to the outer wall of the placement rack (18).

4. A double-station CNC internal grinding machine according to claim 3, characterized in that: The inner wall of the protection box (1) is fixedly connected to a limit plate (20), and the lower surface of the limit plate (20) is fixedly connected to a fan (21).

5. A double-station CNC internal grinding machine according to claim 4, characterized in that: An opening and closing plate (22) is slidably connected to the inner wall of the protection box (1), and a pull handle (23) is fixedly connected to the outer wall of the opening and closing plate (22).

6. A double-station CNC internal grinding machine according to claim 5, characterized in that: A collecting box (24) is fixedly connected to the lower surface of the protection box (1), and a ventilation slot (25) is provided inside the collecting box (24).

7. A double-station CNC internal grinding machine according to claim 6, characterized in that: An inclined block (26) is fixedly connected to the inner wall of the collection box (24), and a slide rail (27) is fixedly connected to the inner wall of the collection box (24).

8. A double-station CNC internal grinding machine according to claim 7, characterized in that: The outer wall of the slide rail (27) is slidably connected to a drawer (28), and the lower surface of the collection box (24) is fixedly connected to a support leg (29).

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