Grinding machine with protection function

Abstract

The grinding machine with the protection function comprises a base, a rotating motor is fixedly installed at the top of the base, a rotating shaft located on one side of the rotating motor is rotatably connected to the top of the base in a penetrating mode and is in transmission connection with the rotating motor, and a fixing disc is fixedly installed at the top of the rotating shaft; the fixing disc comprises a connecting disc fixedly installed on the top of the rotating shaft, a fixing base is fixedly installed on the top of the connecting disc, electric push rods located on the two sides of the rotating shaft are fixedly installed on the connecting disc, and a lifting plate is slidably connected into the fixing base. And the movable end of the electric push rod penetrates through the bottom of the fixing base and is fixedly installed with the bottom of a lifting plate, a sliding groove is formed in the top of the fixing base, and a fixing cylinder is arranged at the top of the lifting plate. And by arranging the fixing disc, the two fixing cylinders abut against the flange, and accidents caused by shaking of the flange in the grinding process are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of flange processing, in particular to a grinding machine with a protective function. Background Art

[0002] Flange, also known as flange, is a general term for a disc-shaped metal body with several holes cut into the periphery for connection. It is used to connect pipes to each other and is connected to the pipe ends. The flange has holes, bolts connect the two flanges, and gaskets are used to seal the flanges. Flanges are disc-shaped parts that are most common in pipeline engineering.

[0003] When grinding existing flanges, manual handheld grinders are required to operate the flanges to polish the flange surfaces. Manual handheld grinders have low grinding efficiency and are dangerous.

[0004] For this reason, we propose a grinding machine with protective function. Utility Model Content

[0005] The purpose of the present utility model is to provide a grinding machine with a protective function to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinder with a protective function, comprising a base, a rotating motor fixedly mounted on the top of the base, a rotating shaft located on one side of the rotating motor passing through the top of the base, the rotating shaft being transmission-connected to the rotating motor, a fixed plate fixedly mounted on the top of the rotating shaft, the fixed plate comprising a connecting disc fixedly mounted on the top of the rotating shaft, a fixing seat fixedly mounted on the top of the connecting disc, an electric push rod located on both sides of the rotating shaft fixedly mounted on the connecting disc, a lifting plate slidably connected to the interior of the fixed seat, the movable end of the electric push rod passes through the bottom of the fixed seat and is fixedly mounted on the bottom of the lifting plate, a sliding groove is provided on the top of the fixed seat, a fixed cylinder is provided on the top of the lifting plate, and the fixed cylinder passes through the interior of the sliding groove.

[0007] Optionally, a driving gear located inside the base is fixedly mounted on the output end of the rotating motor, and a driven gear located inside the base is fixedly mounted on the bottom of the rotating shaft, and the driven gear is meshed with the driving gear.

[0008] Optionally, a lifting frame is fixedly installed on one side of the top of the base, a grinding motor located above the fixed disk is fixedly installed on the movable end of the lifting frame, a grinding disk is fixedly installed on the output end of the grinding motor, and protective covers that wrap the grinding disk and the fixed disk are fixedly installed on both sides of the movable end of the lifting frame.

[0009] Optionally, the top of the lifting plate is rotatably connected to a threaded rod located directly below the sliding groove, the threaded rod is threadedly connected to a displacement block, the bottom of the displacement block is in sliding contact with the top of the lifting plate, and the top of the displacement block is fixedly mounted to the bottom of the fixed cylinder.

[0010] Optionally, a rotating column is rotatably connected to the middle of the fixed seat, a rotating ring is rotatably connected to the middle of the lifting plate, the rotating column and the middle of the rotating ring are slidably connected, a gear ring is fixedly installed on the top of the rotating ring, and a transmission gear is fixedly installed on one end of the threaded rod facing the rotating column, and the bottom of the transmission gear is engaged with the gear ring.

[0011] Optionally, the top of the rotating column is flush with the top of the fixed seat, a hexagonal groove is provided on the top of the rotating column, a groove is provided on the outer circumference of the rotating column, and a protrusion is integrally provided on the inner circumference of the rotating ring and is slidably connected to the inside of the groove.

[0012] Optionally, a guide slide rod is fixedly installed inside the fixing seat, and the lifting plate is slidably connected to the guide slide rod.

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

[0014] 1. This grinding machine with a protective function is equipped with a fixed plate, and a hexagonal wrench is used to rotate the rotating column to rotate the rotating ring, and the rack and the transmission gear drive the threaded rod to rotate, so that the displacement block drives the fixed cylinder to move, so that the distance between the two fixed cylinders can be changed. After the flange is placed on the fixed seat, the fixed cylinder passes through the bolt hole of the flange, and the height of the lifting plate is changed by the electric push rod so that the top of the fixed cylinder is lower than the top of the flange. The rotating column is rotated again so that the two fixed cylinders press the flange tightly to prevent the flange from shaking and causing accidents during the grinding process.

[0015] 2. The grinder with protective function is provided with a lifting frame and a protective cover. After the flange is installed on the fixed plate, the rotating motor drives the rotating shaft and the fixed plate to rotate. At the same time, the lifting frame drives the grinding motor to descend, and the protective cover also descends, so that the protective cover wraps the fixed plate and the flange to prevent accidents caused by the flange being loosened. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a grinding machine with a protective function according to the present utility model;

[0017] Figure 2 This is a structural schematic diagram of a lifting frame of a grinding machine with a protective function according to the present invention;

[0018] Figure 3This is a structural schematic diagram of a base of a grinding machine with a protective function according to the present invention;

[0019] Figure 4 This is a schematic structural diagram of a fixed plate of a grinding machine with a protective function according to the present invention;

[0020] Figure 5 This utility model is a grinding machine with protective function Figure 4 Enlarged view of point A in the middle.

[0021] In the figure: 1. Base; 2. Rotating motor; 3. Rotating shaft; 4. Fixed disk; 41. Connecting disk; 42. Fixed seat; 43. Electric push rod; 44. Lifting plate; 45. Threaded rod; 46. Displacement block; 47. Fixed cylinder; 48. Sliding groove; 49. Rotating column; 410. Rotating ring; 411. Gear ring; 412. Transmission gear; 413. Hexagonal groove; 5. Lifting frame; 6. Grinding motor; 7. Protective cover; 8. Grinding disk; 9. Driving gear; 10. Driven gear. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figures 1 to 5The utility model provides a grinding machine with a protective function, including a base 1, a rotating motor 2 is fixedly installed on the top of the base 1, a rotating shaft 3 located on one side of the rotating motor 2 is rotatably connected to the top of the base 1, the rotating shaft 3 is transmission-connected to the rotating motor 2, a fixed plate 4 is fixedly installed on the top of the rotating shaft 3, the fixed plate 4 includes a connecting disc 41 fixedly installed on the top of the rotating shaft 3, a fixing seat 42 is fixedly installed on the top of the connecting disc 41, an electric push rod 43 located on both sides of the rotating shaft 3 is fixedly installed on the connecting disc 41, a lifting plate 44 is slidably connected inside the fixing seat 42, the movable end of the electric push rod 43 passes through the bottom of the fixing seat 42 and is fixedly installed on the bottom of the lifting plate 44, and a sliding groove 48 is provided on the top of the fixing seat 42. A fixed cylinder 47 is provided on the top of the lifting plate 44, and the fixed cylinder 47 passes through the interior of the sliding groove 48. By setting the fixed disk 4, the rotating column 49 is rotated with a hexagonal wrench to rotate the rotating ring 410, and the threaded rod 45 is driven to rotate by the rack and the transmission gear 412, so that the displacement block 46 drives the fixed cylinder 47 to move, so that the distance between the two fixed cylinders 47 can be changed. When the flange is placed on the fixed seat 42, the fixed cylinder 47 passes through the bolt hole of the flange, and the height of the lifting plate 44 is changed by the electric push rod 43, so that the top of the fixed cylinder 47 is lower than the top of the flange, and the rotating column 49 is rotated again, so that the two fixed cylinders 47 press the flange tightly to prevent the flange from shaking accidentally during the grinding process.

[0024] A driving gear 9 located inside the base 1 is fixedly mounted on the output end of the rotating motor 2 , and a driven gear 10 located inside the base 1 is fixedly mounted on the bottom of the rotating shaft 3 . The driven gear 10 is meshed with the driving gear 9 .

[0025] A lifting frame 5 is fixedly installed on one side of the top of the base 1, and a grinding motor 6 located above the fixed disk 4 is fixedly installed on the movable end of the lifting frame 5. A grinding disk 8 is fixedly installed on the output end of the grinding motor 6. Protective covers 7 that wrap the grinding disk 8 and the fixed disk 4 are fixedly installed on both sides of the movable end of the lifting frame 5. By setting the lifting frame 5 and the protective cover 7, when the flange is installed on the fixed disk 4, the rotating motor 2 is used to drive the rotating shaft 3 and the fixed disk 4 to rotate. At the same time, the lifting frame 5 drives the grinding motor 6 to descend, and the protective cover 7 is lowered accordingly, so that the protective cover 7 wraps the fixed disk 4 and the flange to prevent accidents after the flange is loosened.

[0026] The top of the lifting plate 44 is rotatably connected to a threaded rod 45 located directly below the sliding groove 48. The threaded rod 45 is threadedly connected to a displacement block 46. The bottom of the displacement block 46 is in sliding contact with the top of the lifting plate 44, and the top of the displacement block 46 is fixedly mounted to the bottom of the fixed cylinder 47.

[0027] A rotating column 49 is rotatably connected to the middle part of the fixed seat 42, and a rotating ring 410 is rotatably connected to the middle part of the lifting plate 44. The rotating column 49 and the middle part of the rotating ring 410 are slidably connected to each other, and a gear ring 411 is fixedly installed on the top of the rotating ring 410. A transmission gear 412 is fixedly installed on one end of the threaded rod 45 facing the rotating column 49, and the bottom of the transmission gear 412 is engaged with the gear ring 411.

[0028] The top of the rotating column 49 is flush with the top of the fixing seat 42. A hexagonal groove 413 is provided on the top of the rotating column 49. A groove is provided on the outer circumference of the rotating column 49. A protrusion that is slidably connected to the inside of the groove is integrally provided on the inner circumference of the rotating ring 410.

[0029] A guide slide bar is fixedly installed inside the fixing seat 42 , and the lifting plate 44 is slidably connected to the guide slide bar.

[0030] Working principle:

[0031] Use a hexagonal wrench to turn the rotating column 49, so that the rotating ring 410 rotates, and the threaded rod 45 is driven to rotate through the rack and transmission gear 412, thereby causing the displacement block 46 to drive the fixed cylinder 47 to move, so that the distance between the two fixed cylinders 47 can be changed. After the flange is placed on the fixing seat 42, the fixed cylinder 47 passes through the bolt hole of the flange, and the height of the lifting plate 44 is changed by the electric push rod 43, so that the top of the fixed cylinder 47 is lower than the top of the flange. The rotating column 49 is rotated again so that the two fixed cylinders 47 press the flange tightly to prevent the flange from shaking during the grinding process. After the flange is installed on the fixed plate 4, the rotating motor 2 is used to drive the rotating shaft 3 and the fixed plate 4 to rotate. At the same time, the lifting frame 5 drives the grinding motor 6 to descend, and the protective cover 7 is lowered accordingly, so that the protective cover 7 wraps the fixed plate 4 and the flange to prevent accidents after the flange is loosened.

[0032] 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 grinding machine with a protective function, comprising a base (1), characterized in that: A rotating motor (2) is fixedly mounted on the top of the base (1); a rotating shaft (3) located on one side of the rotating motor (2) is rotatably connected to the top of the base (1); the rotating shaft (3) is transmission-connected to the rotating motor (2); a fixed disk (4) is fixedly mounted on the top of the rotating shaft (3); the fixed disk (4) comprises a connecting disk (41) fixedly mounted on the top of the rotating shaft (3); a fixing seat (42) is fixedly mounted on the top of the connecting disk (41); the connecting disk (41) is fixedly installed with electric push rods (43) located on both sides of the rotating shaft (3), and the interior of the fixed seat (42) is slidably connected with a lifting plate (44). The movable end of the electric push rod (43) passes through the bottom of the fixed seat (42) and is fixedly installed with the bottom of the lifting plate (44). A sliding groove (48) is opened on the top of the fixed seat (42), and a fixed cylinder (47) is provided on the top of the lifting plate (44). The fixed cylinder (47) passes through the interior of the sliding groove (48).

2. A grinding machine with a protective function according to claim 1, characterized in that: The output end of the rotating motor (2) is fixedly mounted with a driving gear (9) located inside the base (1), and the bottom of the rotating shaft (3) is fixedly mounted with a driven gear (10) located inside the base (1), and the driven gear (10) is meshed with the driving gear (9).

3. A grinding machine with a protective function according to claim 1, characterized in that: A lifting frame (5) is fixedly mounted on one side of the top of the base (1); a grinding motor (6) located above the fixed disk (4) is fixedly mounted on the movable end of the lifting frame (5); a grinding disk (8) is fixedly mounted on the output end of the grinding motor (6); and protective covers (7) that wrap the grinding disk (8) and the fixed disk (4) are fixedly mounted on both sides of the movable end of the lifting frame (5).

4. A grinding machine with a protective function according to claim 1, characterized in that: The top of the lifting plate (44) is rotatably connected to a threaded rod (45) located just below the sliding groove (48); the threaded rod (45) is threadedly connected to a displacement block (46); the bottom of the displacement block (46) is in sliding contact with the top of the lifting plate (44); and the top of the displacement block (46) is fixedly mounted to the bottom of a fixed cylinder (47).

5. A grinding machine with a protective function according to claim 4, characterized in that: A rotating column (49) is rotatably connected to the middle of the fixed seat (42), a rotating ring (410) is rotatably connected to the middle of the lifting plate (44), the rotating column (49) and the middle of the rotating ring (410) are slidably connected to each other, a gear ring (411) is fixedly installed on the top of the rotating ring (410), and a transmission gear (412) is fixedly installed on one end of the threaded rod (45) facing the rotating column (49), and the bottom of the transmission gear (412) is meshed with the gear ring (411).

6. The grinding machine with protective function according to claim 5, characterized in that: The top of the rotating column (49) is flush with the top of the fixed seat (42), and a hexagonal groove (413) is provided on the top of the rotating column (49). The outer peripheral surface of the rotating column (49) is provided with a groove, and the inner peripheral surface of the rotating ring (410) is integrally provided with a protrusion that is slidably connected to the inside of the groove.

7. The grinding machine with protective function according to claim 1, characterized in that: A guide slide is fixedly installed inside the fixing seat (42), and the lifting plate (44) is slidably connected to the guide slide.

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