CN221849595U - Multi-size adjustable polishing device - Google Patents

Abstract

The utility model discloses a polishing device with adjustable multiple sizes, which relates to the technical field of flange machining and comprises a workbench, wherein a placing table is fixedly connected to the top of the workbench. According to the utility model, the double-end threaded rod can be rotated through the rotation of the output shaft of the rotating motor, the double-end threaded rod can be used for applying force to the adjusting block, the adjusting block is stressed to be matched with the outer wall of the placing table to limit the adjusting block, the adjusting block can slide on the surface of the attaching placing table, the two positioning plates can be mutually close to each other due to the sliding of the adjusting block, the height of the positioning plates is lower than that of the flange plate, the flange plate can be positioned in the middle position of the placing table, the air extracting pump is started, the air extracting end of the air extracting pump can enable air to flow into the negative pressure cavity through the negative pressure port, a certain suction force can be generated on the flange plate, and the flange plates with different sizes can be stably fixed by matching with the positioning plates, so that the flange plates with different diameters can be polished.

Description

Multi-size adjustable polishing device

Technical Field

The utility model relates to the technical field of flange processing, in particular to a polishing device with adjustable multiple sizes.

Background Art

Flange, also known as flange flange or flange, is a part that connects shafts to each other and is used to connect pipe ends. It is also used as a flange on the inlet and outlet of equipment to connect two devices, such as a reducer flange. During the flange processing, a polishing device is usually used to grind the flange surface to reduce burrs on the flange surface, thereby improving the quality of the flange. A polishing device is required.

At present, a Chinese patent with the announcement number CN217833032U discloses a flange surface polishing device, including a workbench, a polishing component is detachably installed on the inner side of the middle part of the tail of the workbench, a rotating component is movably installed on the inner surface of the head of the workbench, a clamping component is movably installed on the inner surface of the top of the head of the workbench, and a flange is detachably installed on the outer surface of the top of the rotating component. In the above scheme, after polishing one side of the flange, the second driving device is closed to keep the flange in a symmetrical position and stop, then the locking buckle is rotated to unlock the rotating component, the pull plate is pulled to make the flange stuck in the inner surface of the rubber clamping sleeve, the flip plate is lifted, and then flipped down to make the flange turn over and stuck on the flange column, the pull plate is pushed into the movable groove, the locking buckle is rotated, the rotating component is locked and the second driving device is started, so that the flange can be turned over and polished. The above structure can be used to conveniently turn the flange over and avoid scalding of the staff.

However, when the above device is in use, the turntable and the flange column are fixed, and only flanges of the same size can be polished. It is difficult to polish flanges of different diameters. Therefore, a polishing device with multiple adjustable sizes is required.

Utility Model Content

The utility model aims to provide a multi-size adjustable polishing device to solve the problem that the turntable and the flange column are fixed, and only flanges of the same size can be polished, but flanges of different diameters are difficult to polish.

In order to solve the above technical problems, the utility model provides the following technical solutions: a multi-size adjustable polishing device, comprising a workbench, the top of the workbench is fixedly connected to a placing table, the bottom of the placing table is provided with a negative pressure chamber, the top outer wall of the placing table is provided with a plurality of evenly distributed negative pressure ports extending into the negative pressure chamber, an air pump is fixedly connected between the inner walls on both sides of the negative pressure chamber, an adjustment mechanism is provided at one end of the placing table, adjustment blocks are provided on both sides of the adjustment mechanism, the adjustment blocks are fitted with the outer wall of the placing table and form a sliding fit, a positioning plate is fixedly connected to the top of the adjustment block, and the opposite sides of the two positioning plates are both in an arc-shaped structure.

Furthermore, the adjustment mechanism includes two connecting plates that are fixedly connected to the outer wall of the placing table, one side of the connecting plate is fixedly connected to a rotating motor, the output shaft of the rotating motor is fixedly connected to a double-headed threaded rod, the double-headed threaded rod and the connecting plate are rotationally connected via bearings, the double-headed threaded rod and the positioning plate are threadedly connected, and the setting of the rotating motor can cause the double-headed threaded rod to rotate when the output shaft rotates.

Furthermore, the inner wall cross-section of the negative pressure port is trapezoidal in structure, and the top surface area of the cross-section of the negative pressure port is larger than the bottom surface area. A collecting box is fixedly connected to the bottom of the workbench, and the collecting box is communicated with the exhaust end of the vacuum pump. The inner wall of the collecting box is fixedly connected to a filter screen plate that is inclined, and an air outlet is provided on one side of the outer wall of the collecting box. An air pipe is fixedly connected to the inner wall of the air outlet, and the air outlet end of the air pipe faces the top of the placement table. The setting of the collecting box can cooperate with the filter screen plate to collect debris.

Furthermore, the top of the workbench is fixedly connected to a connecting frame with a U-shaped structure, the bottom of the connecting frame is fixedly connected to an electric telescopic rod, the bottom of the piston rod of the electric telescopic rod is fixedly connected to a rotating motor, and the bottom of the rotating motor is provided with a grinding disc, and the setting of the grinding disc can perform grinding operations on the flange.

Furthermore, a sleeve is fixedly connected to the bottom of the output shaft of the rotating motor, a fixing rod is fixedly connected to the top of the grinding disc, the fixing rod is connected to the inner wall of the sleeve via a threaded connection, and the fixing rod can be rotated in the sleeve for fixing.

Compared with the prior art, the beneficial effects achieved by the utility model are:

1. The utility model can rotate the double-headed threaded rod by rotating the output shaft of the rotating motor, and the rotation of the double-headed threaded rod can apply force to the adjusting block. The adjusting block is subjected to force and cooperates with the outer wall of the placing table to limit the adjusting block, so that the adjusting block can slide on the surface of the placing table. The sliding of the adjusting block can make the two positioning plates approach each other. The height of the positioning plate is lower than the flange, so that the flange can be located in the middle position of the placing table. The vacuum pump is started, and the vacuum end of the vacuum pump can make the air flow flow into the negative pressure cavity through the negative pressure port, which can generate a certain suction force on the flange. The positioning plate can make the flange fixed and stable. Therefore, flanges of different sizes can be polished, and the effect of polishing flanges of different diameters can be achieved.

2. The utility model can collect the debris generated by grinding through the collection box. When the suction end of the vacuum pump draws the debris into the collection box, the filter plate can filter the debris in the air flow. The debris can slide to one side of the filter plate through the surface of the filter plate to ensure the permeability of the filter plate. The clean air flow can be discharged to the air pipe 14 through the air outlet 13, and finally blown out through the air pipe 14 to blow away the debris near the grinding disc 18.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

FIG1 is a schematic diagram of the three-dimensional structure of the utility model;

FIG2 is a schematic diagram showing the structure of the utility model highlighting the air pump;

FIG3 is an enlarged schematic diagram of the structure at A in FIG2;

FIG4 is a schematic diagram of the structure of the utility model highlighting the positioning plate;

In the figure: 1. workbench; 2. placement table; 3. negative pressure chamber; 4. negative pressure port; 5. vacuum pump; 6. collection box; 7. adjustment block; 8. positioning plate; 9. connecting plate; 10. double-headed threaded rod; 11. rotating motor; 12. filter screen; 13. air outlet; 14. air supply pipe; 15. connecting frame; 16. electric telescopic rod; 17. rotating motor; 18. grinding disc; 19. sleeve; 20. fixing rod.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the 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 in 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.

The multi-size adjustable polishing device as shown in Figures 1 to 4 includes a workbench 1, a placing table 2 is fixedly connected to the top of the workbench 1, a negative pressure chamber 3 is opened at the bottom of the placing table 2, a plurality of evenly distributed negative pressure ports 4 extending into the negative pressure chamber 3 are opened on the top outer wall of the placing table 2, an air pump 5 is fixedly connected between the inner walls on both sides of the negative pressure chamber 3, an adjusting mechanism is arranged at one end of the placing table 2, and adjusting blocks 7 are arranged on both sides of the adjusting mechanism, the adjusting blocks 7 are fitted with the outer wall of the placing table 2 and form a sliding fit, and a fixed The positioning plate 8 is provided, and the opposite sides of the two positioning plates 8 are both in an arc-shaped structure. The adjustment mechanism includes two connecting plates 9 that are fixedly connected to the outer wall of the placement table 2. A rotating motor 11 is fixedly connected to one side of the connecting plate 9. The output shaft of the rotating motor 11 is fixedly connected to a double-headed threaded rod 10. The double-headed threaded rod 10 is rotatably connected to the connecting plate 9 through a bearing. The double-headed threaded rod 10 is threadedly connected to the positioning plate 8. The double-headed threaded rod 10 can rotate when the output shaft of the rotating motor 11 rotates. The rotation of the double-headed threaded rod 10 can adjust the adjustment block 7 applies force, and the adjusting block 7 applies force to cooperate with the placing table 2 to limit the adjusting block 7, so that the adjusting block 7 can slide on the surface of the placing table 2, and the sliding of the adjusting block 7 can make the positioning plate 8 slide, the inner wall cross-section of the negative pressure port 4 is a trapezoidal structure, and the top surface area of the cross-section of the negative pressure port 4 is larger than the bottom surface. A collecting box 6 is fixedly connected to the bottom of the workbench 1, and the collecting box 6 is connected to the exhaust end of the vacuum pump 5. The inner wall of the collecting box 6 is fixedly connected with a filter screen plate 12 arranged in an inclined manner, and an air outlet 13 is opened on the outer wall of one side of the collecting box 6. The air outlet 1 An air pipe 14 is fixedly connected to the inner wall of 3, and the air outlet end of the air pipe 14 faces the top of the placement table 2. The debris generated by grinding can be collected through the collection box 6. When the suction end of the vacuum pump 5 draws the debris into the collection box 6, the filter plate 12 can filter the debris in the air flow, and the debris can slide to one side of the filter plate 12 through the surface of the filter plate 12 to ensure the passability of the filter plate 12. The clean air flow can be discharged to the air pipe 14 through the air outlet 13, and finally blown out through the air pipe 14 to blow away the debris near the grinding disc 18.

As shown in FIGS. 1 to 3 , a U-shaped connecting frame 15 is fixedly connected to the top of the workbench 1, an electric telescopic rod 16 is fixedly connected to the bottom of the connecting frame 15, a rotating motor 17 is fixedly connected to the bottom of the piston rod of the electric telescopic rod 16, a grinding disc 18 is arranged at the bottom of the rotating motor 17, and the grinding disc 18 can be rotated by rotating the output shaft of the rotating motor 17, and the rotation of the grinding disc 18 can grind the surface of the flange, and a grinding disc 18 with an L-shaped or U-shaped cross-section can be used for grinding, and the rotating motor 17 can be moved downward by moving the piston rod of the electric telescopic rod 16 The grinding disc 18 can be moved so that the grinding disc 18 contacts the flange. When the front side of the flange is ground, the flange can be turned upside down and the grinding operation can be performed again. The bottom of the output shaft of the rotating motor 17 is fixedly connected with a sleeve 19, and the top of the grinding disc 18 is fixedly connected with a fixing rod 20. The fixing rod 20 and the inner wall of the sleeve 19 are connected by threads, and the fixing rod 20 can be rotated in the inner wall of the sleeve 19. When replacing the grinding disc 18, the fixing rod 20 can be separated from the inner wall of the sleeve 19. When installing the grinding disc 18, the fixing rod 20 can be rotated into the inner wall of the sleeve 19.

Working principle of the utility model: when in use, place the flange on the placement table 2, and make the flange be located between the two positioning plates 8, start the rotating motor 11, and the output shaft of the rotating motor 11 rotates to make the double-headed threaded rod 10 rotate, and the rotation of the double-headed threaded rod 10 can apply force to the adjusting block 7, and the adjusting block 7 is subjected to force to cooperate with the outer wall of the placement table 2 to limit the adjusting block 7, so that the adjusting block 7 can slide on the surface of the placement table 2, and the sliding of the adjusting block 7 can make the two positioning plates 8 approach each other, and the height of the positioning plate 8 is lower than the flange, so that the flange can be located in the middle position of the placement table 2, and the vacuum pump 5 is started, and the vacuum end of the vacuum pump 5 can make the air flow through the negative pressure port 4 to flow into the negative pressure chamber 3, which can generate a certain suction force on the flange, and cooperate with the positioning plate 8 to make the method The flange is fixed and stable. After the airflow is filtered by the filter screen 12, the clean airflow can be blown to the flange through the air pipe 14, so that the debris in the grinding process can be blown away, and the grinding debris can be prevented from scratching the flange. The electric telescopic rod 16 is started, and the piston rod of the electric telescopic rod 16 moves to move the rotating motor 17 downward. The output shaft of the rotating motor 17 rotates to rotate the grinding disc 18, and the flange can be polished. The debris generated by the grinding can be sucked into the collection box 6 through the holes of the flange and the negative pressure port 4. When grinding flanges of different sizes, the grinding disc 18 is rotated to separate the fixed rod 20 from the sleeve 19. Therefore, flanges of different sizes can be polished, and the effect of polishing flanges of different diameters can be achieved.

Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims (6)

1. A multi-size adjustable polishing device, comprising a workbench (1), characterized in that: the top of the workbench (1) is fixedly connected to a placing table (2), the bottom of the placing table (2) is provided with a negative pressure chamber (3), the top outer wall of the placing table (2) is provided with a plurality of evenly distributed negative pressure ports (4) extending into the negative pressure chamber (3), an air pump (5) is fixedly connected between the inner walls on both sides of the negative pressure chamber (3), an adjustment mechanism is provided at one end of the placing table (2), and adjustment blocks (7) are provided on both sides of the adjustment mechanism, the adjustment blocks (7) are fitted with the outer wall of the placing table (2) and form a sliding fit, the top of the adjustment block (7) is fixedly connected to a positioning plate (8), and the opposite sides of the two positioning plates (8) are both in an arc-shaped structure. 2. The multi-size adjustable polishing device according to claim 1 is characterized in that: the adjustment mechanism includes two connecting plates (9) both fixedly connected to the outer wall of the placement table (2), one side of the connecting plate (9) is fixedly connected to a rotating motor (11), the output shaft of the rotating motor (11) is fixedly connected to a double-headed threaded rod (10), the double-headed threaded rod (10) and the connecting plate (9) are rotatably connected via a bearing, and the double-headed threaded rod (10) and the positioning plate (8) are connected via threads. 3. The multi-size adjustable polishing device according to claim 1 is characterized in that the inner wall cross-section of the negative pressure port (4) is a trapezoidal structure, and the top surface area of the cross-section of the negative pressure port (4) is larger than the bottom surface area. 4. The multi-size adjustable polishing device according to claim 1 is characterized in that: a collecting box (6) is fixedly connected to the bottom of the workbench (1), the collecting box (6) is communicated with the exhaust end of the vacuum pump (5), the inner wall of the collecting box (6) is fixedly connected to a filter screen (12) arranged at an angle, an air outlet (13) is provided on one side outer wall of the collecting box (6), an air supply pipe (14) is fixedly connected to the inner wall of the air outlet (13), and the air outlet end of the air supply pipe (14) faces the top of the placement table (2). 5. The multi-size adjustable polishing device according to claim 1 is characterized in that: the top of the workbench (1) is fixedly connected to a connecting frame (15) with a U-shaped structure, the bottom of the connecting frame (15) is fixedly connected to an electric telescopic rod (16), the bottom of the piston rod of the electric telescopic rod (16) is fixedly connected to a rotating motor (17), and a grinding disc (18) is provided at the bottom of the rotating motor (17). 6. The multi-size adjustable polishing device according to claim 5 is characterized in that: a sleeve (19) is fixedly connected to the bottom of the output shaft of the rotating motor (17), a fixing rod (20) is fixedly connected to the top of the grinding disc (18), and the fixing rod (20) is connected to the inner wall of the sleeve (19) by a threaded connection.