Protective mechanism for polishing machine

Abstract

The utility model belongs to the technical field of polishing machines, and particularly relates to a protection mechanism for a polishing machine. The top end of the bottom plate is fixedly connected with a pair of protective frames; the top ends of the pair of protection frames are fixedly connected with a protection shell. A filter screen is arranged between the inner side walls of the pair of protective frames; one side of the protective shell is fixedly connected with a motor through a fixing rod; a first rotating rod is arranged at the output end of the motor, and one end of the first rotating rod is rotationally connected to one side of the protective shell and penetrates through the protective shell; the grinding roller is fixedly connected to the first rotating rod in the protective shell, so that the defects in the prior art are overcome, and the problem that when a steel pipe and an iron pipe are ground and polished, splashing scrap iron is formed when rust iron on the steel pipe is ground by a grinding machine, and therefore the steel pipe and the iron pipe cannot be ground easily is solved. The problems that a protection device of an existing grinding machine cannot well protect workers, so that the scrap iron beaten away by the grinding machine still hits eyes of the workers, and the workers are injured are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of polishing machines, in particular to a protective mechanism for polishing machines. Background Art

[0002] Polishing refers to a processing method that uses mechanical, chemical or electrochemical effects to reduce the surface roughness of a workpiece to obtain a bright and flat surface. It is a modification of the workpiece surface using polishing tools and abrasive particles or other polishing media. Polishing cannot improve the dimensional accuracy or geometric shape accuracy of the workpiece, but is intended to obtain a smooth surface or mirror gloss. After steel pipes and pipes have been used and placed for a period of time, the surface of the pipes will be corroded and rusted due to wind and sun. In order to make them smooth again, they need to be ground and polished.

[0003] In the prior art, when grinding and polishing steel pipes and iron pipes, the rusty iron on the steel pipes will form flying iron chips when being ground by the grinder. Since the protective device of the current grinder still cannot protect the workers well, the iron chips blown away by the grinder will still hit the eyes of the workers and cause damage to the workers.

[0004] To this end, the utility model provides a protective mechanism for a polishing machine. Utility Model Content

[0005] In order to make up for the shortcomings of the existing technology and to solve the problem that when steel pipes and iron pipes are ground and polished, the rusty iron on the steel pipes will form flying iron chips when being ground by a grinder. Because the protective device of the current grinder still cannot protect the workers well, the iron chips blown away by the grinder will still hit the eyes of the workers and cause damage to the workers.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the protective mechanism for a polishing machine described in the utility model comprises a base plate; a pair of protective frames are fixedly connected to the top of the base plate; a protective shell is fixedly connected to the top of the pair of protective frames; a filter screen is provided between the inner side walls of the pair of protective frames; a motor is fixedly connected to one side of the protective shell through a fixed rod; a first rotating rod is provided at the output end of the motor, and one end of the first rotating rod is rotatably connected to one side of the protective shell and passes through the protective shell; a grinding roller is fixedly connected to the first rotating rod inside the protective shell; a support assembly is provided at the top of the base plate; the support assembly is used to support the steel pipe; a group of support legs are fixedly connected to the bottom end of the base plate.

[0007] Preferably, the support assembly includes a linkage unit and a first support plate; a pair of the first support plates are fixedly connected to the top of the bottom plate; a second rotating rod is rotatably connected between the opposite side walls of the pair of the first support plates, and the two ends of the second rotating rod respectively pass through the pair of first support plates; a groove is opened on the bottom plate; a pair of cylinder telescopic rods are fixedly connected to the bottom of the groove; the telescopic ends of the pair of cylinder telescopic rods are fixedly connected to the second support plate; a third rotating rod is rotatably connected between the opposite side walls of the pair of second support plates, and the two ends of the pair of third rotating rods respectively pass through the pair of second support plates; the two ends of the second rotating rod and the third rotating rod are fixedly connected to disks; the second rotating rod and the third rotating rod are fixedly connected to placement rollers; the linkage unit is used to drive the second rotating rod to rotate.

[0008] Preferably, the linkage unit includes a first sprocket; the first sprocket is fixedly connected to one end of the first rotating rod passing through the protective shell; the second sprocket is fixedly connected to the second rotating rod; the first sprocket and the second sprocket are connected by a chain transmission; the diameter of the second sprocket is larger than that of the first sprocket.

[0009] Preferably, a circular groove is provided on the inner side wall of the protective frame; the side wall of the filter screen is fixed to the wall of the circular groove by a group of springs, and the filter screen is slidably connected in the circular groove; a pair of sliding grooves are provided on the top of the bottom plate; sliding blocks are slidably connected in the pair of sliding grooves; a pair of sliding blocks are fixed to the top of a cross plate; a pair of hammering blocks are fixed to the relative inner side walls of the cross plates; a transmission member is provided on the top of the bottom plate; the transmission member is used to move the sliding block with the belt.

[0010] Preferably, the transmission member includes a first connecting rod; one end of a group of the first connecting rods are rotatably connected to a group of disks via a first connecting shaft; the other ends of a pair of the first connecting rods are rotatably connected to a second connecting rod via a second connecting shaft; one end of a pair of the second connecting rods are rotatably connected to a horizontal plate via a third connecting shaft.

[0011] Preferably, rubber pads are provided at the bottom ends of the supporting legs.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model discloses a protective mechanism for a polishing machine, which comprises a bottom plate, a protective frame on the bottom plate, a protective shell on the top of the frame, and a grinding roller in the protective shell. After the steel pipe is supported by a supporting assembly, when the grinding roller grinds iron chips on the surface of the steel pipe, the iron chips are prevented from flying around and causing harm to the staff. Moreover, a filter is arranged on the protective frame, which can not only block the iron chips, but also speed up the cooling of the grinding roller after grinding, so as to avoid overheating of the grinding roller, accelerate the service life, and increase the working cost.

[0014] 2. The protective mechanism for a polishing machine described in the utility model is characterized in that a pair of first support plates are arranged on the bottom plate, a groove is opened on the bottom plate, and a cylinder telescopic rod is arranged in the groove, the top end of the cylinder telescopic rod is fixedly connected to the second support plate, and a second rotating rod and a third rotating rod are arranged between the opposite side walls of the pair of first support plates and the pair of second support plates, and both ends of the second rotating rod and the third rotating rod pass through the first support plate and the second support plate, so that both ends can be fixedly connected to the disc, when the staff places the steel pipe to be polished on the placing roller, because the pair of first support plates are fixedly connected to the top end of the bottom plate, and the pair of second support plates are arranged in the groove due to the cylinder telescopic rod, the pair of second telescopic rods will be lower than the pair of first support plates, when the steel pipe is placed on the placing roller, the staff can place the steel pipe on the placing roller through the second support plate, and push the second support plate out of the groove through the telescopicity of the cylinder telescopic rod, so that the second support plate is flush with the first support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model;

[0018] Figure 3 yes Figure 2 A magnified view of middle;

[0019] Figure 4 It is a schematic diagram of a local structure in the utility model;

[0020] Figure 5 yes Figure 4 Enlarged view of middle B;

[0021] In the figure: 1. bottom plate; 2. protection frame; 3. protection shell; 4. filter screen; 5. fixing rod; 6. motor; 7. first rotating rod; 8. grinding roller; 9. supporting leg; 10. first supporting plate; 11. second rotating rod; 12. groove; 13. cylinder telescopic rod; 14. second supporting plate; 15. third rotating rod; 16. disc; 17. placing roller; 18. first sprocket; 19. second sprocket; 20. chain; 21. circular groove; 22. spring; 23. slide groove; 24. sliding block; 25. cross plate; 26. hammering block; 27. first connecting rod; 28. second connecting rod. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figures 1 to 5 As shown, a protective mechanism for a polishing machine described in an embodiment of the utility model comprises a bottom plate 1; a pair of protective frames 2 are fixedly connected to the top of the bottom plate 1; a protective shell 3 is fixedly connected to the top of the pair of protective frames 2; a filter screen 4 is arranged between the inner side walls of the pair of protective frames 2; a motor 6 is fixedly connected to one side of the protective shell 3 through a fixing rod 5; a first rotating rod 7 is arranged at the output end of the motor 6, and one end of the first rotating rod 7 is rotatably connected to one side of the protective shell 3 and penetrates the protective shell 3; a grinding roller 8 is fixedly connected to the first rotating rod 7 inside the protective shell 3; a supporting assembly is arranged at the top of the bottom plate 1; the supporting assembly is used to Support of the steel pipe; a group of supporting legs 9 are fixedly connected to the bottom end of the base plate 1. When working, the base plate 1 is set, a protective frame 2 is set on the base plate 1, a protective shell 3 is set on the top of the frame, and the grinding roller 8 is set in the protective shell 3. After the steel pipe is supported by the supporting assembly, when the grinding roller 8 grinds the iron filings on the surface of the steel pipe, the iron filings are prevented from flying around and causing harm to the staff. In addition, a filter net 4 is set on the protective frame 2, which can not only block the iron filings, but also allow the grinding roller 8 to cool down faster after grinding is completed, so as to avoid overheating of the grinding roller 8, accelerate the service life, and increase the working cost.

[0024] The support assembly includes a linkage unit and a first support plate 10; a pair of the first support plates 10 are fixedly connected to the top of the bottom plate 1; a second rotating rod 11 is rotatably connected between the opposite side walls of the pair of first support plates 10, and the two ends of the second rotating rod 11 respectively penetrate the pair of first support plates 10; a groove 12 is provided on the bottom plate 1; a pair of cylinder telescopic rods 13 are fixedly connected to the bottom of the groove 12; the telescopic ends of a pair of cylinder telescopic rods 13 are fixedly connected to the second support plate 14; a pair of third rotating rods 15 are rotatably connected between the opposite side walls of the second support plates 14, and the two ends of the pair of third rotating rods 15 respectively penetrate the pair of second support plates 14; the two ends of the second rotating rod 11 and the third rotating rod 15 are fixedly connected to the disk 16; the second rotating rod 11 and the third rotating rod 15 are fixedly connected to the placement roller 17; the linkage unit is used to drive the second rotating rod 11 to rotate. When working, by arranging a pair of first support plates 10 on the bottom plate 1, 12, and then a cylinder telescopic rod 13 is arranged in the groove 12, and the top end of the cylinder telescopic rod 13 is fixedly connected to the second support plate 14, and a second rotating rod 11 and a third rotating rod 15 are arranged between the opposite side walls of a pair of first support plates 10 and a pair of second support plates 14, and both ends of the second rotating rod 11 and the third rotating rod 15 pass through the first support plate 10 and the second support plate 14, so that both ends can be fixedly connected to the disc 16, when the staff places the steel pipe to be polished on the placement roller 17, because the pair of first support plates 10 are fixedly connected to the top end of the bottom plate 1, and the pair of second support plates 14 are arranged in the groove 12 due to the cylinder telescopic rod 13, the pair of second telescopic rods will be lower than the pair of first support plates 10, when the steel pipe is placed on the placement roller 17, the staff can place the steel pipe on the placement roller 17 through the second support plate 14, and then through the telescopicity of the cylinder telescopic rod 13, the second support plate 14 is pushed out of the groove 12, so that the second support plate 14 is flush with the first support plate 10.

[0025] The linkage unit includes a first sprocket 18; the first sprocket 18 is fixedly connected to one end of the first rotating rod 7 that passes through the protective shell 3; the second rotating rod 11 is fixedly connected to a second sprocket 19; the first sprocket 18 and the second sprocket 19 are connected by a chain 20; the diameter of the second sprocket 19 is larger than the first sprocket 18. When working, the first sprocket 18 is arranged on the first rotating rod 7, and the second sprocket 19 is fixedly connected to the second rotating rod 11, so that when the first rotating rod 7 is rotated by the motor 6, the belt The second rotating rod 11 is driven to rotate, so that the second rotating rod 11 and the first rotating rod 7 rotate in the same direction, and the steel pipe is placed on the placement roller 17 on the second rotating rod 11 and the third rotating rod 15. Because the first rotating rod 7 and the second rotating rod 11 rotate in the same direction, the steel pipe rotates during rotation, which will drive the third rotating rod 15 to rotate. This can generate a reverse force, so that the steel pipe and the grinding roller 8 rotate in the opposite direction to grind the steel pipe. The diameter of the second sprocket 19 is set to be larger than the first sprocket 18, which can reduce the speed of the grinding roller 8.

[0026] The inner side wall of the protection frame 2 is provided with a circular groove 21; the side wall of the filter screen 4 is fixedly connected to the wall of the circular groove 21 through a group of springs 22, and the filter screen 4 is slidably connected in the circular groove 21; a pair of slide grooves 23 are provided at the top of the bottom plate 1; a sliding block 24 is slidably connected in each of the pair of slide grooves 23; a cross plate 25 is fixedly connected to the top of the pair of sliding blocks 24; a pair of hammering blocks 26 are fixedly connected to the inner side walls of the pair of cross plates 25; a transmission member is provided at the top of the bottom plate 1; the transmission member is used for the sliding of the belt The block 24 moves when working. By opening a circular groove 21 on the inner wall of the protective frame 2, a group of springs 22 are fixed between the filter screen 4 and the protective frame 2, so that the filter screen 4 can be driven by the sliding block 24 that is slidably connected in the slide groove 23 to drive the hammer block 26 to squeeze the filter screen 4. When it is slidably connected in the circular groove 21, the iron filings adhered to the filter screen 4 can be dropped from the filter screen 4 due to the shaking effect caused by the rebound force of the spring 22, thereby facilitating the staff to handle the iron filings.

[0027] The transmission member includes a first connecting rod 27; one end of a group of the first connecting rods 27 is rotatably connected to a group of discs 16 through a first connecting shaft; the other ends of a pair of the first connecting rods 27 are rotatably connected to a second connecting rod 28 through a second connecting shaft; one end of a pair of the second connecting rods 28 is rotatably connected to the cross plate 25 through a third connecting shaft. When working, by rotatably connecting a group of the first connecting rods 27 to a group of discs 16, the transmission unit can be driven when the linkage unit rotates, and the gears arranged on the discs 16 are connected. The first connecting rod 27 is arranged, because one end of the first connecting rod 27 is not at the center point of the disc 16, so that the first connecting rod 27 will be driven by the rotation of the disc 16 during rotation, and the second connecting rod 28 is rotatably connected to one end of the first connecting rod 27, and one end of the second connecting rod 28 is rotatably connected to the cross plate 25. In this way, when the disc 16 drives the first connecting rod 27, the second connecting rod 28 can drive the cross plate 25, and then drive the sliding block 24 to slide in the slide groove 23, so that the hammering block 26 can hammer and squeeze the filter screen 4.

[0028] The bottom ends of the support legs 9 are all provided with rubber pads. During operation, by providing the rubber pads at the bottom ends of the support legs 9, the device can be more stable when the grinding roller 8 grinds the steel pipe. The rubber pads can also be resistant to oil, hydrochloric acid and aging.

[0029] Working principle: by setting a bottom plate 1, setting a protective frame 2 on the bottom plate 1, setting a protective shell 3 on the top of the frame, setting the grinding roller 8 in the protective shell 3, and supporting the steel pipe through the support assembly, when the grinding roller 8 grinds the iron filings on the surface of the steel pipe, it prevents the iron filings from flying around and causing harm to the staff, and setting a filter screen 4 on the protective frame 2, which can not only block the iron filings, but also speed up the cooling of the grinding roller 8 after the grinding is completed, so as to avoid the grinding roller 8 from overheating and accelerating the service age, and increasing the working cost. By setting a pair of first support plates 10 on the bottom plate 1, and then opening a groove 12 on the bottom plate 1, and then setting a cylinder telescopic rod 13 in the groove 12, the top of the cylinder telescopic rod 13 is fixedly connected to the second support plate 14, a second rotating rod 11 and a third rotating rod 15 are arranged between the opposite side walls of a pair of first supporting plates 10 and a pair of second supporting plates 14, and both ends of the second rotating rod 11 and the third rotating rod 15 are passed through the first supporting plate 10 and the second supporting plate 14, so that both ends can be fixedly connected to the disc 16. When the staff places the steel pipe to be polished on the placement roller 17, because the pair of first supporting plates 10 are fixedly connected to the top of the bottom plate 1, and the pair of second supporting plates 14 are arranged in the groove 12 due to the cylinder telescopic rod 13, the pair of second telescopic rods will be lower than the pair of first supporting plates 10. When placing the steel pipe on the placement roller 17, the staff can place the steel pipe on the placement roller 17 through the second supporting plate 14, and then the staff can place the steel pipe on the placement roller 17 through the cylinder telescopic rod 13. 3, the second support plate 14 is pushed out of the groove 12, so that the second support plate 14 is flush with the first support plate 10, and the first sprocket 18 is set on the first rotating rod 7, and the second sprocket 19 is fixed on the second rotating rod 11, so that when the first rotating rod 7 is rotated by the motor 6, the second rotating rod 11 is driven to rotate, so that the second rotating rod 11 and the first rotating rod 7 rotate in the same direction, and the steel pipe is placed on the placement roller 17 on the second rotating rod 11 and the third rotating rod 15. Because the first rotating rod 7 and the second rotating rod 11 rotate in the same direction, the steel pipe rotates during rotation, which will drive the third rotating rod 15 to rotate, so that a reverse force can be generated, so that the steel pipe and the grinding roller 8 rotate in the opposite direction, and the steel pipe is ground. 9 is set larger in diameter than the first sprocket 18, so that the speed of the grinding roller 8 can be reduced. By opening a circular groove 21 on the inner wall of the protective frame 2 and fixing a group of springs 22 between the filter screen 4 and the protective frame 2, the filter screen 4 can be slidably connected in the circular groove 21 to drive the hammer block 26 to squeeze the filter screen 4 through the sliding block 24 slidably connected in the sliding groove 23. The iron filings adhering to the filter screen 4 can be dropped from the filter screen 4 due to the shaking effect caused by the rebound force of the spring 22, thereby facilitating the staff to handle the iron filings. By rotating a group of first connecting rods 27 respectively connected to a group of discs 16, the transmission unit can be driven when the linkage unit rotates. The first connecting rod 27 set on the disc 16,Because one end of the first connecting rod 27 is not at the center point of the disc 16, the first connecting rod 27 will be driven by the disc 16 when it rotates, and the second connecting rod 28 is rotatably connected to one end of the first connecting rod 27, and one end of the second connecting rod 28 is rotatably connected to the cross plate 25. In this way, when the disc 16 drives the first connecting rod 27, the second connecting rod 28 can drive the cross plate 25, and then drive the sliding block 24 to slide in the slide groove 23, so that the hammering block 26 can hammer and squeeze the filter screen 4. By arranging a rubber pad at the bottom end of the support leg 9, the device can be increased in stability when the grinding roller 8 grinds the steel pipe, and the rubber pad can also be resistant to oil, hydrochloric acid, and aging.

[0030] The above-mentioned front, back, left, right, top and bottom are all based on the figures in the specification. Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present invention.

[0032] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A protective mechanism for a polishing machine, characterized in that: The invention comprises a bottom plate (1); a pair of protective frames (2) are fixedly connected to the top of the bottom plate (1); a protective shell (3) is fixedly connected to the top of the pair of protective frames (2); a filter screen (4) is arranged between the inner side walls of the pair of protective frames (2); a motor (6) is fixedly connected to one side of the protective shell (3) through a fixing rod (5); a first rotating rod (7) is arranged at the output end of the motor (6), and one end of the first rotating rod (7) is rotatably connected to one side of the protective shell (3) and passes through the protective shell (3); a grinding roller (8) is fixedly connected to the first rotating rod (7) inside the protective shell (3); a support assembly is arranged at the top of the bottom plate (1); the support assembly is used to support the steel pipe; a group of supporting legs (9) are fixedly connected to the bottom end of the bottom plate (1).

2. A protective mechanism for a polishing machine according to claim 1, characterized in that: The support assembly comprises a linkage unit and a first support plate (10); a pair of the first support plates (10) are fixedly connected to the top of the bottom plate (1); a second rotating rod (11) is rotatably connected between the opposite side walls of the pair of the first support plates (10), and both ends of the second rotating rod (11) respectively penetrate the pair of first support plates (10); a groove (12) is provided on the bottom plate (1); a pair of cylinder telescopic rods (13) are fixedly connected to the bottom of the groove (12); the telescopic movement of the pair of cylinder telescopic rods (13) is controlled by the cylinder telescopic rods (13). The ends of the second rotating rod (11) and the third rotating rod (15) are fixedly connected to a second supporting plate (14); a third rotating rod (15) is rotatably connected between the opposite side walls of the pair of second supporting plates (14), and the two ends of the pair of third rotating rods (15) respectively penetrate the pair of second supporting plates (14); the two ends of the second rotating rod (11) and the third rotating rod (15) are fixedly connected to a disk (16); the second rotating rod (11) and the third rotating rod (15) are fixedly connected to a placement roller (17); and the linkage unit is used to drive the second rotating rod (11) to rotate.

3. A protective mechanism for a polishing machine according to claim 2, characterized in that: The linkage unit comprises a first sprocket (18); the first sprocket (18) is fixedly connected to one end of a first rotating rod (7) passing through a protective shell (3); a second sprocket (19) is fixedly connected to the second rotating rod (11); the first sprocket (18) and the second sprocket (19) are connected in transmission via a chain (20); the diameter of the second sprocket (19) is larger than that of the first sprocket (18).

4. A protection mechanism for a polishing machine according to claim 3, characterized in that: The inner side wall of the protection frame (2) is provided with a circular groove (21); the side wall of the filter screen (4) is fixedly connected to the groove wall of the circular groove (21) through a group of springs (22), and the filter screen (4) is slidably connected in the circular groove (21); a pair of sliding grooves (23) are provided at the top of the bottom plate (1); a sliding block (24) is slidably connected in the pair of sliding grooves (23); a transverse plate (25) is fixedly connected to the top of the pair of sliding blocks (24); a hammering block (26) is fixedly connected to the opposite inner side wall of the pair of transverse plates (25); a transmission member is provided at the top of the bottom plate (1); the transmission member is used to move the sliding block (24) with the belt.

5. A protection mechanism for a polishing machine according to claim 4, characterized in that: The transmission member comprises a first connecting rod (27); one end of a group of the first connecting rods (27) is rotatably connected to a group of disks (16) via a first connecting shaft; the other end of a pair of the first connecting rods (27) is rotatably connected to a second connecting rod (28) via a second connecting shaft; one end of a pair of the second connecting rods (28) is rotatably connected to a horizontal plate (25) via a third connecting shaft.

6. A protection mechanism for a polishing machine according to claim 5, characterized in that: The bottom ends of the supporting legs (9) are each provided with a rubber pad.

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