Surface polishing equipment for metal products

Abstract

The invention belongs to the technical field of polishing equipment, and particularly discloses surface polishing equipment for metal products, which comprises a mounting frame, a plurality of elastic telescopic structures are rotatably mounted on the mounting frame, and a driving mechanism for driving the plurality of elastic telescopic structures to rotate synchronously is arranged on the mounting frame. A grinding head is fixedly installed at the lower end of the elastic telescopic structure, and the grinding head and the elastic telescopic structure rotate synchronously. Under the action of the driving mechanism, the multiple elastic telescopic structures synchronously rotate, so that the multiple grinding heads are driven to rotate, and metal products with complex surface structures can be more conveniently ground and polished by adopting the distributed small grinding heads; an elastic telescopic structure is adopted for transmission, so that each grinding head can be attached to the surface of a metal product for polishing machining, and each grinding head can work independently and does not influence each other.

Description

Technical Field

[0001] The invention belongs to the field of polishing equipment, and specifically discloses a surface polishing equipment for metal products. 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 process of the workpiece surface using polishing tools and abrasive particles or other polishing media. The polishing equipment in the prior art is easy to polish metal products with flat surfaces but not easy to polish metal products with complex surface shapes. If a metal product with an uneven surface is to be polished, a small grinding head is required, and the polishing speed is slow, so it is necessary to improve it. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings in the prior art and to propose a surface polishing device for metal products.

[0004] In order to achieve the above objectives, the present invention provides a surface polishing device for metal products, including a mounting frame, on which a plurality of elastic telescopic structures are rotatably mounted, and a driving mechanism for driving the plurality of elastic telescopic structures to rotate synchronously is provided on the mounting frame, and a grinding head is fixedly mounted on the lower end of the elastic telescopic structure, and the grinding head rotates synchronously with the elastic telescopic structure.

[0005] In the above technical solution, further, the elastic telescopic structure includes a third sleeve, a transmission rod with a non-circular cross-section is inserted in the third sleeve, the lower end of the transmission rod is fixedly connected to the mounting disk, the upper end of the third sleeve is fixed with a limiting plate, a spring is connected between the limiting plate and the mounting disk, the upper part of the grinding head is connected with a threaded sleeve, the threaded sleeve is threadedly matched with the mounting disk, the upper end of the third sleeve is connected with a rotating wheel, the rotating wheel is rotatably installed on the mounting frame, guide grooves are opened on both sides of the third sleeve, a slider is slidably installed in the guide groove, and the slider is fixedly connected to the end of the transmission rod.

[0006] In the above technical solution, further, the driving mechanism includes a motor, the motor is fixed on a motor seat, the motor seat is fixedly connected to the mounting frame through a connecting rod, the output shaft of the motor is coaxially fixedly connected to one end of the driving shaft, the driving shaft is rotatably matched with the mounting frame, the end of the driving shaft is coaxially connected to a driving wheel, the upper end of the third sleeve is coaxially fixed with a transmission wheel, and the transmission wheel and the driving wheel are driven by a transmission belt.

[0007] In the above technical solution, further, a pair of clamping wheels are provided between adjacent transmission wheels, the clamping wheels are located outside the transmission belt and clamp the transmission belt, the clamping wheels are coaxially fixedly connected to one end of the rotating shaft, and the rotating shaft is rotatably mounted on the mounting frame.

[0008] In the above technical solution, further, a horizontal conveyor is provided below the grinding head, and the horizontal conveyor is installed on a base frame.

[0009] In the above technical solution, further, the base frame is provided with a rotating mechanism for adjusting the rotating angle of the mounting frame and a lifting mechanism for adjusting the height of the mounting frame.

[0010] In the above technical solution, further, the rotating mechanism includes a lifting seat, a first sleeve is fixedly connected to the lower part of the lifting seat, a main shaft is rotatably installed in the first sleeve, an end of the main shaft is vertically connected to a shift rod, an end of the shift rod is vertically connected to a transmission shaft, an outer sleeve of the transmission shaft is provided with a second sleeve rotatably matched therewith, the second sleeve is fixedly connected to one end of a second hydraulic cylinder, the second hydraulic cylinder is fixed in a connecting sleeve, the connecting sleeve is fixedly connected to one end of a connecting shaft, and the other end of the connecting shaft is rotatably matched with the lifting seat.

[0011] In the above technical solution, further, the lifting mechanism includes a pair of third hydraulic cylinders, the lower end of the third hydraulic cylinder is fixedly connected to the lifting seat, the upper end of the third hydraulic cylinder is fixedly connected to the top frame, both sides of the top frame are connected with guide rods, the guide rods pass through the upper part of the support plate and slide with it, one side of the top frame is fixedly connected to one end of the first hydraulic cylinder, the other end of the first hydraulic cylinder is fixedly connected to the upper part of the support plate, and the lower part of the support plate is fixedly connected to the base frame.

[0012] In the above technical solution, further, the horizontal conveyor is a belt conveyor, and ridges are vertically provided on both sides of the belt of the horizontal conveyor.

[0013] In the above technical solution, further, the grinding head is hemispherical, and a side surface of the grinding head is provided with a plurality of small planes.

[0014] Compared with the prior art, the present invention has the following beneficial effects: under the action of the driving mechanism, multiple elastic telescopic structures of the present invention rotate synchronously, thereby driving multiple grinding heads to rotate, and the use of dispersed small grinding heads can more conveniently grind and polish metal products with complex surface structures. The use of elastic telescopic structures for transmission enables each grinding head to stick to the surface of the metal product for polishing, and each grinding head can work independently without affecting each other. Compared with the single large grinding disc in the prior art, it can be closer to the surface of the metal product, and compared with a single small grinding head, it has more polishing surfaces and higher efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the back structure of the present invention; Figure 3 It is a structural schematic diagram of the mounting frame of the present invention; Figure 4 for Figure 3 The structural diagram at A in the middle; Figure 5 It is a schematic diagram of the elastic telescopic structure of the present invention; Figure 6 It is a schematic diagram of the interior of the elastic telescopic structure of the present invention; Figure 7 for Figure 6 Schematic diagram of the structure at B in the figure.

[0016] In the figure: 1. base frame; 2. motor; 3. motor seat; 4. first hydraulic cylinder; 5. lifting seat; 6. top frame; 7. guide rod; 8. mounting frame; 9. support plate; 10. elastic telescopic structure; 11. grinding head; 12. horizontal conveyor; 13. first sleeve; 14. main shaft; 15. lever; 16. connecting shaft; 17. second hydraulic cylinder; 18. connecting sleeve; 19. second sleeve; 20. transmission shaft; 21. connecting rod; 22. slider; 23. rotating wheel; 24. transmission wheel; 25. transmission belt; 26. clamping wheel; 27. rotating shaft; 28. driving wheel; 29. ​​third sleeve; 30. convex ridge; 31. limit plate; 32. guide groove; 33. spring; 34. transmission rod; 35. mounting plate; 36. threaded sleeve; 37. small plane; 38. driving shaft; 39. third hydraulic cylinder. DETAILED DESCRIPTION

[0017] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0018] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0019] like Figure 1-Figure 7The surface polishing device for metal products shown in the figure comprises a mounting frame 8, on which a plurality of elastic telescopic structures 10 are rotatably mounted, and a driving mechanism for driving the plurality of elastic telescopic structures 10 to rotate synchronously is provided on the mounting frame 8, and a grinding head 11 is fixedly mounted at the lower end of the elastic telescopic structure 10, and the grinding head 11 rotates synchronously with the elastic telescopic structure 10. Under the action of the driving mechanism, the plurality of elastic telescopic structures 10 rotate synchronously, and the plurality of grinding heads 11 can rotate together with the elastic telescopic structure 10, and each grinding head 11 can contact the surface of the metal product to polish it, so that it is convenient to fully polish the metal product with an uneven surface and can better get close to the surface of the metal product.

[0020] The elastic telescopic structure 10 includes a third sleeve 29, in which a transmission rod 34 with a non-circular cross section is inserted, and a mounting plate 35 is fixedly connected to the lower end of the transmission rod 34. A limit plate 31 is fixed to the upper end of the third sleeve 29, and a spring 33 is connected between the limit plate 31 and the mounting plate 35. When the surface of the metal product is polished, under the action of the spring 33, each grinding head 11 can be close to the surface of the metal product, so as to ensure that each grinding head 11 can polish the surface of the metal product. A threaded sleeve 36 is connected to the upper part of the grinding head 11, and the threaded sleeve 36 is threadedly matched with the mounting plate 35. The upper end of the third sleeve 29 is connected to a rotating wheel 23, and the rotating wheel 23 is rotatably mounted on the mounting frame 8. Guide grooves 32 are provided on both sides of the third sleeve 29, and a slider 22 is slidably installed in the guide groove 32, and the slider 22 is fixedly connected to the end of the transmission rod 34. The grinding head 11 is hemispherical, and a plurality of small planes 37 are provided on the side of the grinding head 11. The guide groove 32 and the slider 22 serve to limit the sliding distance of the transmission rod 34 .

[0021] The spring 33 provides downward elastic force, the transmission rod 34 slides downward, and the grinding head 11 is close to the surface of the metal product for polishing. The transmission rod 34 can be in the shape of a polygonal column. When the third sleeve 29 rotates, the transmission rod 34 rotates, and when the transmission rod 34 rotates, the grinding head 11 rotates. The cooperation of the threaded sleeve 36 and the mounting plate 36 can facilitate the replacement of a single grinding head 11. The small plane 37 is used to facilitate the unscrewing and installing of the grinding head 11.

[0022] The driving mechanism includes a motor 2, which is connected to an external power source through a wire. The motor 2 is fixed on a motor seat 3, and the motor seat 3 is fixedly connected to a mounting frame 8 through a connecting rod 21. The output shaft of the motor 2 is coaxially fixedly connected to one end of a driving shaft 38, and the driving shaft 38 is rotatably matched with the mounting frame 8. The end of the driving shaft 38 is coaxially connected to a driving wheel 28, and the motor 2 causes the driving shaft 38 to rotate, thereby causing the driving wheel 28 to rotate. A transmission wheel 24 is coaxially fixed to the upper end of the third sleeve 29, and the transmission is transmitted between the transmission wheel 24 and the driving wheel 28 through a transmission belt 25. When the driving wheel 28 rotates, the transmission belt 25 causes multiple transmission wheels 24 to rotate, and when the transmission wheel 24 rotates, the third sleeve 29 rotates. A pair of clamping wheels 26 are provided between adjacent transmission wheels 24, and the clamping wheels 26 are located outside the transmission belt 25 and clamp the transmission belt 25. The clamping wheels 26 are coaxially fixedly connected to one end of a rotating shaft 27, and the rotating shaft 27 is rotatably mounted on the mounting frame 8. The pressure wheel 26 is used to press the transmission belt 25 , so that the transmission belt 25 is tightened and the friction between the transmission belt 25 and the transmission wheel 24 is increased.

[0023] A horizontal conveyor 12 is provided below the grinding head 11, and the horizontal conveyor 12 is installed on the base frame 1. The base frame 1 is provided with a rotating mechanism for adjusting the rotation angle of the mounting frame 8 and a lifting mechanism for adjusting the height of the mounting frame 8. The horizontal conveyor 12 is a belt conveyor, and convex ridges 30 are vertically provided on both sides of the belt of the horizontal conveyor 12. The convex ridges 30 play a limiting role to prevent the metal products from slipping. The horizontal conveyor 12 is used to convey the metal products. During the horizontal movement of the metal products, the grinding head 11 can fully grind and polish the metal products. The rotating mechanism is used to adjust the grinding angle of the grinding head 11, so as to be convenient for metal products of different shapes. The lifting mechanism is used to adjust the height of the grinding head 11, so as to be suitable for metal products of different heights.

[0024] The rotating mechanism includes a lifting seat 5, the lower part of which is fixedly connected to a first sleeve 13, a main shaft 14 is rotatably mounted in the first sleeve 13, the end of the main shaft 14 is vertically connected to a lever 15, the end of the lever 15 is vertically connected to a transmission shaft 20, the outer part of the transmission shaft 20 is sleeved with a second sleeve 19 that is rotatably matched therewith, the second sleeve 19 is fixedly connected to one end of a second hydraulic cylinder 17, the second hydraulic cylinder 17 is fixed in a connecting sleeve 18, the connecting sleeve 18 is fixedly connected to one end of a connecting shaft 16, and the other end of the connecting shaft 16 is rotatably matched with the lifting seat 5. When adjusting the angle, the second hydraulic cylinder 17 is extended and retracted, so that the main shaft 14 is rotated by the lever 15, and the inclination angle of the mounting frame 8 and the elastic telescopic structure 10 can be adjusted as a whole.

[0025] The lifting mechanism includes a pair of third hydraulic cylinders 39, the lower end of the third hydraulic cylinder 39 is fixedly connected to the lifting seat 5, the upper end of the third hydraulic cylinder 39 is fixedly connected to the top frame 6, both sides of the top frame 6 are connected with guide rods 7, the guide rods 7 pass through the upper part of the support plate 9 and slide with it, one side of the top frame 6 is fixedly connected to one end of the first hydraulic cylinder 4, the other end of the first hydraulic cylinder 4 is fixedly connected to the upper part of the support plate 9, and the lower part of the support plate 9 is fixedly connected to the base frame 1. The third hydraulic cylinder 39 is used to control the height of the lifting seat 5, and the first hydraulic cylinder 4 is used to control the left and right position of the top frame 6, so as to adjust the left and right position of the grinding head 11. In actual application, the grinding head 11 can be set to one row or multiple rows. During the horizontal back and forth movement of the metal product, a row of grinding heads 11 can grind and polish it. At the same time, the first hydraulic cylinder 4 controls the horizontal movement of the grinding head 11 to perform comprehensive grinding and polishing on the metal product.

[0026] Working principle: Under the action of the driving mechanism, multiple elastic telescopic structures 10 rotate synchronously, and multiple grinding heads 11 can rotate together with the elastic telescopic structure 10, and under the action of the elastic telescopic structure 10, each grinding head 11 can be close to the surface of the metal product, so that each grinding head 11 can grind and polish the surface of the metal product.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A surface polishing device for metal products, comprising a mounting frame (8), characterized in that: A plurality of elastic telescopic structures (10) are rotatably mounted on the mounting frame (8), a driving mechanism for driving the plurality of elastic telescopic structures (10) to rotate synchronously is provided on the mounting frame (8), a grinding head (11) is fixedly mounted at the lower end of the elastic telescopic structure (10), and the grinding head (11) rotates synchronously with the elastic telescopic structure (10).

2. A surface polishing device for metal products according to claim 1, characterized in that: The elastic telescopic structure (10) comprises a third sleeve (29), a transmission rod (34) having a non-circular cross section is inserted in the third sleeve (29), the lower end of the transmission rod (34) is fixedly connected to a mounting plate (35), a limit plate (31) is fixedly provided at the upper end of the third sleeve (29), a spring (33) is connected between the limit plate (31) and the mounting plate (35), a threaded sleeve (36) is connected to the upper part of the grinding head (11), the threaded sleeve (36) is threadedly matched with the mounting plate (35), the upper end of the third sleeve (29) is connected to a rotating wheel (23), the rotating wheel (23) is rotatably mounted on a mounting frame (8), guide grooves (32) are provided on both sides of the third sleeve (29), a slider (22) is slidably mounted in the guide groove (32), and the slider (22) is fixedly connected to the end of the transmission rod (34).

3. The surface polishing device for metal products according to claim 2, characterized in that: The driving mechanism comprises a motor (2), the motor (2) being fixed on a motor seat (3), the motor seat (3) being fixedly connected to a mounting frame (8) via a connecting rod (21), the output shaft of the motor (2) being coaxially fixedly connected to one end of a driving shaft (38), the driving shaft (38) being rotationally matched with the mounting frame (8), the end of the driving shaft (38) being coaxially connected to a driving wheel (28), the upper end of the third sleeve (29) being coaxially fixed to a transmission wheel (24), and the transmission wheel (24) and the driving wheel (28) being transmitted via a transmission belt (25).

4. The surface polishing device for metal products according to claim 3, characterized in that: A pair of clamping wheels (26) are provided between adjacent transmission wheels (24); the clamping wheels (26) are located outside the transmission belt (25) and clamp the transmission belt (25); the clamping wheels (26) are coaxially fixedly connected to one end of a rotating shaft (27); and the rotating shaft (27) is rotatably mounted on a mounting frame (8).

5. The surface polishing device for metal products according to claim 3, characterized in that: A horizontal conveyor (12) is provided below the grinding head (11), and the horizontal conveyor (12) is installed on the base frame (1).

6. The surface polishing device for metal products according to claim 5, characterized in that: The base frame (1) is provided with a rotation mechanism for adjusting the rotation angle of the mounting frame (8) and a lifting mechanism for adjusting the height of the mounting frame (8).

7. The surface polishing device for metal products according to claim 6, characterized in that: The rotating mechanism comprises a lifting seat (5), a first sleeve (13) being fixedly connected to the lower part of the lifting seat (5), a main shaft (14) being rotatably mounted in the first sleeve (13), an end of the main shaft (14) being vertically connected to a shifting rod (15), an end of the shifting rod (15) being vertically connected to a transmission shaft (20), an outer sleeve of the transmission shaft (20) being provided with a second sleeve (19) rotatably engaged therewith, the second sleeve (19) being fixedly connected to one end of a second hydraulic cylinder (17), the second hydraulic cylinder (17) being fixed in a connecting sleeve (18), the connecting sleeve (18) being fixedly connected to one end of a connecting shaft (16), the other end of the connecting shaft (16) being rotatably engaged with the lifting seat (5).

8. The surface polishing device for metal products according to claim 7, characterized in that: The lifting mechanism comprises a pair of third hydraulic cylinders (39), the lower ends of the third hydraulic cylinders (39) are fixedly connected to a lifting seat (5), the upper ends of the third hydraulic cylinders (39) are fixedly connected to a top frame (6), both sides of the top frame (6) are connected to guide rods (7), the guide rods (7) pass through the upper part of the support plate (9) and slidably cooperate with the guide rods, one side of the top frame (6) is fixedly connected to one end of the first hydraulic cylinder (4), the other end of the first hydraulic cylinder (4) is fixedly connected to the upper part of the support plate (9), and the lower part of the support plate (9) is fixedly connected to the base frame (1).

9. The surface polishing device for metal products according to claim 7, characterized in that: The horizontal conveyor (12) is a belt conveyor, and ridges (30) are vertically provided on both sides of the belt of the horizontal conveyor (12).

10. The surface polishing device for metal products according to claim 1, characterized in that: The grinding head (11) is hemispherical, and a plurality of small planes (37) are provided on the side surface of the grinding head (11).

Images