Pipe polishing device for building guardrail production

Abstract

The invention discloses a pipe polishing device for building guardrail production, and particularly relates to the technical field of pipe polishing, the pipe polishing device comprises an operation table, transmission assemblies are symmetrically and fixedly connected to the left side of the upper end of the operation table, fixing assemblies are arranged on the right sides of the two transmission assemblies, and a polishing assembly is arranged at the upper end of the operation table; an auxiliary assembly is arranged on the right side of the upper end of the operation table, and blowing assemblies are arranged on the left sides of the two transmission assemblies. The two transmission assemblies are matched with the fixing assemblies on the same side, bidirectional synchronous fixing is achieved, uneven grinding or surface scratching caused by unstable fixing is avoided, the two same fixing assemblies jointly drive the vertical round pipe to continuously rotate, all points of the outer surface sequentially pass through the grinding assemblies, it is ensured that the grinding force in the circumferential direction is consistent, and the grinding efficiency is improved. And the two fixing assemblies are matched with the grinding assembly and the auxiliary assembly correspondingly, the two ends are ground while the outer surface of the vertical circular pipe is ground, the machining period is shortened, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of pipe grinding, in particular to a pipe grinding device for producing building guardrails. Background Art

[0002] Building guardrails are safety protection facilities installed in balconies, stairs, corridors, window sills and other places of buildings. They are mainly composed of pipes (such as steel pipes, aluminum alloy pipes, stainless steel pipes, etc.), profiles or other metal or non-metallic materials, and are combined into barriers with certain strength and aesthetics through welding, bolting and other methods.

[0003] During the production process of building guardrails, pipes (especially metal pipes) need to be polished in order to remove processing defects, improve surface quality and appearance consistency, and meet design requirements.

[0004] Chinese Patent Publication No. CN210189473U discloses a pipe grinding device for producing guardrails for building construction projects, comprising a base plate, support plates fixedly welded to the left and right ends of the upper surface of the base plate, a first servo motor fixedly mounted on the left support plate by screws, a first sleeve fixedly welded to the output shaft of the first servo motor, a servo electric cylinder fixedly mounted on the right support plate by screws, a second sleeve fixedly welded to the rotating shaft, a conical fixing head fixedly welded to the bottom surface of the pipe holes of the first and second sleeves, a top plate fixedly welded to the top of the support plate, the output shaft of the second servo motor connected to the screw drive via a coupling, and a grinding ring fixedly mounted on the bottom surface of the slider by screws. This patent can evenly grind all parts of round steel, has a good grinding effect, improves the quality of round pipes, and can fix round pipes of different diameters and lengths.

[0005] However, during operation, the above device can neither grind the end face while grinding the outer surface, nor can it perform air blowing and cleaning during the grinding process to prevent dust from adhering to the workpiece surface. Summary of the Invention

[0006] The main purpose of the present invention is to provide a pipe grinding device for the production of building guardrails, which can effectively solve the problem that it is impossible to grind the end face while grinding the outer surface, and it is also impossible to blow air to clean during the grinding process to avoid dust adhering to the surface of the workpiece.

[0007] To achieve the above object, the technical solution adopted by the present invention is:

[0008] A pipe grinding device for producing building guardrails includes an operating table, a transmission component symmetrically fixedly connected to the left side of the upper end of the operating table, a fixing component is provided on the right side of the two transmission components, a grinding component is provided on the upper end of the operating table, an auxiliary component is provided on the right side of the upper end of the operating table, and a blowing component is provided on the left side of the two transmission components.

[0009] Preferably, an arc-shaped slide rail is fixedly connected to the middle of the upper end of the operating platform, a guide rail is fixedly connected to the right side of the upper end of the operating platform, a hydraulic cylinder 1 is fixedly connected to the left side of the upper end of the operating platform, and a push plate is fixedly connected to the output end of the hydraulic cylinder 1.

[0010] Preferably, the transmission assembly includes a motor 1 fixedly connected to the upper end of the operating table, the right side of the output end of the motor 1 is rotatably connected to a one-way rotating shaft, the outer surface of the one-way rotating shaft is fixedly connected to a rotating rod 1, the front side of the right end of the rotating rod 1 is rotatably connected to a rotating rod 2, the front side of the left end of the rotating rod 2 is rotatably connected to a slide, and the right end of the slide is provided with an inclined groove.

[0011] Preferably, the lower end of the skateboard is slidably connected to a support plate, an L-shaped groove is provided at the right end of the support plate, a round roller is slidably connected to the inner surface of the L-shaped groove, a fixed plate is fixedly connected to the outer surface of the round roller on the right side, and a rotating roller is rotatably connected to the lower side of the left end of the support plate.

[0012] Preferably, the fixing assembly includes a motor 2 fixedly connected to the front end of the fixing plate, the front end of the output end of the motor 2 is fixedly connected to a fixed roller, the front end of the fixed roller is provided with a driving shaft, the outer surface of the fixed roller has three rotating rods 4 in a circular array, the outer surface of the driving shaft has three rotating rods 3 in a circular array on the front side, and the rotating rods 3 and 4 on the same side rotate together and are connected to an arc plate.

[0013] Preferably, the outer surface of the output end of the second motor is drivingly connected to the second roller, and the front end of the second roller is fixedly connected to a clamping block.

[0014] Preferably, the grinding assembly includes a hydraulic cylinder 2 fixedly connected to the upper end of the operating table, the output end of the hydraulic cylinder 2 is fixedly connected to a rectangular plate, the lower end of the rectangular plate is slidably connected to a limiting plate, the left side of the lower end of the limiting plate is rotatably connected to a triangular sanding belt, the right side of the lower end of the limiting plate is fixedly connected to a telescopic rod, the lower end of the telescopic rod is fixedly connected to a sliding ring, the inner surface of the sliding ring is provided with a bidirectional screw rod 1, the rear end of the bidirectional screw rod 1 is fixedly connected to a rotating roller 3, and the rear end of the rotating roller 3 is provided with a card slot 1.

[0015] Preferably, the auxiliary component includes a round roller three rotatably connected to the upper end of the operating table, a clamping groove two is provided at the front end of the round roller three, the outer surface of the round roller three is transmission-connected to the round roller two, the left end of the round roller two is fixedly connected to a bidirectional screw rod two, the outer surface of the bidirectional screw rod two is provided with a movable ring, the outer surface of the movable ring is fixedly connected to a U-shaped plate, the vertical parts of the U-shaped plate are fixedly connected to the upper part of one side close to each other, and the inner surface of the clamping groove two is adapted to the outer surface of the clamping block located on the front side of the upper end of the operating table.

[0016] Preferably, the blowing assembly includes a round rod that is transmission-connected to the outer surface of a rotating roller, a gear is fixedly connected to the outer surface of the round rod, a rack is meshed with the outer surface of the gear, the lower end of the rack is slidably connected to a guide rod, the left end of the rack is fixedly connected to a movable plate, the upper end of the operating table is fixedly connected to a fixed block, the movable plate and the fixed block are fixedly connected to an airbag at one end close to each other, a hose is fixedly connected to the front side of the outer surface of the airbag, the end of the hose away from the airbag is fixedly connected to an air pipe, and a plurality of nozzles are obliquely provided on the outer surface of the air pipe close to the arc slide rail.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention realizes bidirectional synchronous fixation through two transmission components cooperating with the fixed components on the same side, offsetting the radial shaking of the vertical circular tube during the grinding process, avoiding uneven grinding or surface scratches caused by unstable fixation, and the same two fixed components jointly drive the vertical circular tube to rotate continuously, so that each point on the outer surface passes through the grinding component in turn, avoiding local excessive wear or missing grinding caused by traditional fixed grinding, ensuring consistent grinding force in the circumferential direction and uniform surface roughness. At the same time, the two fixed components cooperate with the grinding component and the auxiliary component respectively, and grind the two ends while grinding the outer surface of the vertical circular tube, shortening the processing cycle and improving production efficiency.

[0019] 2. The present invention realizes the precise movement of the fixed component to the vicinity of the vertical circular tube through the forward rotation of the output end of motor 1, and the cooperation with the structures of rotating rod 1 and rotating rod 2, so as to prepare to fix the vertical circular tube. At the same time, the round roller 1 and the fixed plate are moved according to a specific path, which not only ensures that the fixed component is moved to the vicinity of the vertical circular tube, but also does not affect other operations. Similarly, during the reversal process of the output end of motor 1, the effect of continuous blowing during the grinding process is achieved through the cooperation of structures such as gears and racks, thereby avoiding dust adhering to the surface of the vertical circular tube, preventing dust from affecting the grinding effect, ensuring the smoothness of the surface of the vertical circular tube, and facilitating quality inspection after grinding.

[0020] 3. The present invention cooperates with the fixed roller, the rotating rod three and the rotating rod four structures, so that the vertical circular tube rotates continuously when the triangular sanding belt grinds the outer surface of the vertical circular tube, ensuring that the outer surface grinding thickness is uniform and there is no grinding blind area. At the same time, through the cooperation of the clamping block and the clamping groove one structure, the triangular sanding belt can be moved back and forth once along the axis of the vertical circular tube while the vertical circular tube rotates, so as to achieve the effect of uniform grinding of the outer surface of the vertical circular tube. In addition, through the cooperation of the clamping groove two and the round roller three and the clamping block and other structures, while the triangular sanding belt grinds the surface of the vertical circular tube, the end face of the vertical circular tube is grinded by two end face grinding wheels, so that the outer surface grinding and the end face grinding of the vertical circular tube can be carried out simultaneously, and the two sets of motion trajectories are independent of each other, which greatly shortens the grinding processing period and further improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the overall internal structure of the present invention;

[0023] Figure 3 It is a schematic diagram of the local structure of the present invention;

[0024] Figure 4 It is a schematic structural diagram of the transmission assembly of the present invention;

[0025] Figure 5 It is a schematic diagram of the operating structure of the transmission assembly of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the fixing assembly of the present invention;

[0027] Figure 7 It is a schematic structural diagram of the polishing assembly of the present invention;

[0028] Figure 8 This is a schematic diagram of the auxiliary component structure of the present invention;

[0029] Figure 9 For the present invention Figure 8 A in the middle is an enlarged structural diagram;

[0030] Figure 10 It is a schematic structural diagram of the blowing component of the present invention.

[0031] In the figure: 1. Operating table; 11. Curved slide rail; 12. Guide rail; 13. Hydraulic cylinder 1; 14. Push plate; 2. Transmission assembly; 21. Motor 1; 211. One-way shaft; 22. Rotating rod 1; 23. Rotating rod 2; 24. Support plate; 241. L-shaped groove; 25. Slide plate; 251. Inclined groove; 26. Round roller 1; 27. Fixed plate; 28. Rotating roller 1; 3. Blowing assembly; 31. Gear; 32. Rack; 33. Moving plate; 34. Air bag; 35. Guide rod; 36. Fixed block; 37. Hose; 38. Air pipe; 39. Round rod; 4. Fixed assembly Components; 41. Motor 2; 42. Fixed roller; 43. Drive shaft; 44. Rotating rod 3; 45. Rotating rod 4; 46. Arc plate; 47. Rotating roller 2; 48. Block; 5. Grinding assembly; 51. Hydraulic cylinder 2; 52. Rectangular plate; 53. Limit plate; 54. Triangular abrasive belt; 55. Telescopic rod; 56. Sliding ring; 57. Bidirectional screw rod 1; 58. Rotating roller 3; 581. Card slot 1; 6. Auxiliary assembly; 61. Round roller 2; 62. Bidirectional screw rod 2; 63. U-shaped plate; 64. Moving ring; 65. End grinding wheel; 66. Round roller 3; 661. Card slot 2. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0033] Example 1, as Figure 1 and Figure 2 As shown, a pipe grinding device for the production of building guardrails includes an operating table 1, a transmission component 2 is symmetrically fixedly connected to the left side of the upper end of the operating table 1, a fixing component 4 is provided on the right side of the two transmission components 2, a grinding component 5 is provided on the upper end of the operating table 1, an auxiliary component 6 is provided on the right side of the upper end of the operating table 1, and a blowing component 3 is provided on the left side of the two transmission components 2.

[0034] When producing vertical round tubes for building guardrails, in order to take into account both the aesthetics and practical performance of the vertical round tubes, it is necessary to grind the outer surface and both end faces of the vertical round tubes. When grinding the vertical round tubes, vertical round tubes of equal length are placed on the upper end of the operating table 1, and then the two transmission components 2 respectively drive the fixing components 4 on the same side to move, so that the two fixing components 4 first descend and then move toward the side close to the vertical round tube until the partial structures of the two fixing components 4 enter the interior of the vertical round tube, and then the vertical round tube is fixed together by the two fixing components 4;

[0035] Furthermore, through the cooperation of the two fixing components 4, the position of the vertical circular tube is fixed while the vertical circular tube is driven to rotate continuously. At the same time, the fixing component 4 and the grinding component 5 located on the upper rear side of the operating table 1 cooperate with each other to grind the outer surface of the vertical circular tube while moving back and forth once, so that the outer surface of the vertical circular tube is polished more evenly. Similarly, the fixing component 4 located on the upper front side of the operating table 1 cooperates with the auxiliary component 6 to grind the two end faces of the vertical circular tube while grinding the outer surface of the vertical circular tube, so as to improve the subsequent welding quality between the vertical circular tube and the horizontal circular tube.

[0036] During the operation of this embodiment, two transmission components 2 cooperate with the fixing components 4 on the same side to achieve bidirectional synchronous fixation, offset the radial shaking of the vertical circular tube during the grinding process, and avoid uneven grinding or surface scratches caused by unstable fixation. Similarly, the two fixing components 4 jointly drive the vertical circular tube to rotate continuously, so that each point on the outer surface passes through the grinding component 5 in turn, avoiding local excessive wear or missing grinding caused by traditional fixed grinding, ensuring consistent grinding force in the circumferential direction and uniform surface roughness. At the same time, the two fixing components 4 cooperate with the grinding component 5 and the auxiliary component 6 respectively, and grind the two ends while grinding the outer surface of the vertical circular tube, shortening the processing cycle and improving production efficiency.

[0037] Embodiment 2: Based on embodiment 1, this embodiment is designed to achieve the effect of not only driving the fixing component 4 to move accurately but also cleaning the workpiece during the grinding process to prevent dust from adhering to the workpiece surface.

[0038] See Figure 3 The middle part of the upper end of the operating platform 1 is fixedly connected with an arc-shaped slide rail 11, the right side of the upper end of the operating platform 1 is fixedly connected with a guide rail 12, the left side of the upper end of the operating platform 1 is fixedly connected with a hydraulic cylinder 13, and the output end of the hydraulic cylinder 13 is fixedly connected with a push plate 14.

[0039] During the grinding process of the vertical round tube, the unground vertical round tube is placed on the arc surface of the arc slide rail 11 and in front of the push plate 14, and then the hydraulic cylinder 13 is stimulated. The output end of the hydraulic cylinder 13 moves forward, driving the push plate 14 to move synchronously. Then, in the process of the push plate 14 being driven forward, the vertical round tube to be ground is pushed forward at the same time. When the vertical round tube is pushed to the middle of the upper end of the operating table 1 by the push plate 14, the output end of the hydraulic cylinder 13 no longer drives the push plate 14 to move forward, and the output end of the hydraulic cylinder 13 pushes the push plate 14 backward.

[0040] After the grinding of the vertical circular tube is completed, the new vertical circular tube to be ground is placed on the arc surface of the arc slide rail 11, and then the push plate 14 is pushed forward through the output end of the hydraulic cylinder 13, so that the push plate 14 pushes the vertical circular tube to be ground forward while the vertical circular tube to be ground also pushes the ground vertical circular tube forward at the same time. When the vertical circular tube to be ground is pushed to the middle of the upper end of the operating table 1 by the push plate 14, the ground vertical circular tube is also pushed to the front side of the upper end of the arc slide rail 11, and then the ground vertical circular tube slides down along the inclined surface on the front side of the arc slide rail 11 for unified collection and processing.

[0041] Through the cooperation of hydraulic cylinder 13 and push plate 14, the vertical round tube is automatically pushed, and the unpolished vertical round tube is pushed to the processing position. At the same time, the new tube is used to push the polished vertical round tube, so that it slides down and is collected along the inclined surface of the front side of the arc-shaped slide rail 11. This process does not require frequent manual intervention, reducing the time for loading and unloading.

[0042] See Figure 4 and Figure 5 The transmission assembly 2 includes a motor 21 fixedly connected to the upper end of the operating table 1, the right side of the output end of the motor 21 is rotatably connected to a one-way shaft 211, the outer surface of the one-way shaft 211 is fixedly connected to a rotating rod 22, the front side of the right end of the rotating rod 22 is rotatably connected to a rotating rod 23, the front side of the left end of the rotating rod 23 is rotatably connected to a slide 25, and the right end of the slide 25 is provided with an inclined slot 251.

[0043] The one-way rotating shaft 211 mentioned above is a conventional design in the prior art. Through the cooperation of the one-way rotating shaft 211 and the rotating rod 1 22, when the output end of the motor 1 21 rotates forward, the output end of the motor 1 21 drives the one-way rotating shaft 211 and the rotating rod 1 22 to rotate simultaneously. When the output end of the motor 1 21 rotates reversely, the output end of the motor 1 21 rotates while the one-way rotating shaft 211 and the rotating rod 1 22 do not rotate.

[0044] After the vertical round pipe to be polished is pushed to the middle of the upper end of the operating table 1 by the hydraulic cylinder 13 and the push plate 14, the motor 1 21 is stimulated to make the output end of the motor 1 21 rotate forward.

[0045] During the rotation of the output end of motor 1 21, the one-way rotating shaft 211 and the rotating rod 1 22 are driven to rotate half a circle clockwise with the output end of motor 1 21 as the axis. During the rotation of rotating rod 1 22, the rotating rod 2 23 is pushed forward. During the forward movement of rotating rod 23, the slide plate 25 is pushed forward at the same time.

[0046] See Figure 5The lower end of the slide plate 25 is slidably connected to the support plate 24, and an L-shaped groove 241 is opened at the right end of the support plate 24. A round roller 26 is slidably connected to the inner surface of the L-shaped groove 241, and a fixed plate 27 is fixedly connected to the right side of the outer surface of the round roller 26. The lower left end of the support plate 24 is rotatably connected to a rotating roller 28.

[0047] The middle portion of the outer surface of the circular roller 26 is slidably connected to the inner surface of the inclined groove 251, and the rotating roller 28 is connected to the outer surface of the motor 21 through a pulley in the prior art. The radius of the pulley fixed on the outer surface of the rotating roller 28 is smaller than the radius of the pulley fixed on the output end of the outer surface of the motor 21, that is, the rotating roller 28 can rotate three times for every one rotation of the output end of the motor 21.

[0048] Furthermore, when the second rotating rod 23 pushes the slide plate 25 forward, the slide plate 25 slides forward along the support plate 24. At the same time, due to the limit of the inclined groove 251, the slide plate 25 pushes the round roller 1 26 and the fixed plate 27 downward during the forward movement, so that the round roller 1 26 moves downward along the inner surface of the vertical portion of the L-shaped groove 241 until the round roller 1 26 and the fixed plate 27 descend until the outer surface of the round roller 1 26 is in close contact with the bottom wall of the inner surface of the inclined groove 251.

[0049] Then, the second rotating rod 23 continues to push the slide plate 25 forward, and the slide plate 25 cooperates with the inclined groove 251 at any time, driving the round roller 1 26 and the fixed plate 27 to slide forward along the inner surface of the horizontal part of the L-shaped groove 241;

[0050] When the output end of motor 1 21 has rotated half a circle forward, the rotating rod 1 22 cooperates with the rotating rod 2 23 and the slide 25 to move the round roller 1 26 and the fixed plate 27 forward until the outer surface of the round roller 1 26 is in close contact with the front side wall of the inner surface of the horizontal portion of the L-shaped groove 241. At this time, the fixed plate 27 drives the fixed assembly 4 to move around the vertical round pipe to be polished, and then the output end of motor 1 21 stops rotating forward.

[0051] See Figure 10 The blowing assembly 3 includes a round rod 39 that is transmission-connected to the outer surface of the roller 28. The outer surface of the round rod 39 is fixedly connected to a gear 31. The outer surface of the gear 31 is meshed with a rack 32. The lower end of the rack 32 is slidably connected to a guide rod 35. The left end of the rack 32 is fixedly connected to a movable plate 33. The upper end of the operating table 1 is fixedly connected to a fixed block 36. The movable plate 33 and the fixed block 36 are fixedly connected to an air bag 34 at one end close to each other. A hose 37 is fixedly connected to the front side of the outer surface of the air bag 34. The end of the hose 37 away from the air bag 34 is fixedly connected to an air pipe 38. A plurality of nozzles are obliquely arranged on the outer surface of the air pipe 38 near the arc slide rail 11.

[0052] The above-mentioned roller 28 and round rod 39 are connected by a transmission gearbox commonly used in the prior art, and through the cooperation of the gearbox, the round rod 39 can rotate several times for every one and a half turns of the roller 28. Then, the round rod 39 drives the air pipe 38 to rotate the same number of turns during the rotation of the round rod 39, further realizing that the rack 32 is driven to move forward to the maximum stroke during the rotation of the air pipe 38.

[0053] The gearbox mentioned above is a conventional technical means in the prior art, and the specific composition and working principle of the gearbox will not be elaborated in detail in this solution.

[0054] An air inlet is provided on one side of the outer surface of the guide rod 35, and a one-way valve is provided between the guide rod 35 and the air inlet, so that external air can only enter the guide rod 35 from the air inlet and cannot flow out in the opposite direction;

[0055] The guide rod 35 and the hose 37 are connected to each other, as well as the air pipe 38 and the nozzles. A one-way valve is provided at the connection between the guide rod 35 and the hose 37, so that the gas inside the guide rod 35 can only flow into the hose 37 through the one-way valve and cannot flow in the opposite direction.

[0056] The above-mentioned one-way valves are all conventional designs in the prior art, and their specific composition and working principle will not be elaborated in detail in this solution.

[0057] The installation angles of the above-mentioned nozzles can achieve that when the nozzles blow air, they blow obliquely toward the vertical circular pipe during the grinding process, blowing the dust generated during the grinding process to the right, and preventing the dust from adhering and concentrating around the vertical circular pipe.

[0058] When the output end of the motor 21 rotates half a circle forward to prepare for internal support and fixation of the vertical round tube to be polished, the output end of the motor 21 cooperates with the roller 28 to make the roller 28 rotate one and a half circles, and then the gearbox cooperates to make the round rod 39 rotate several circles, thereby rotating the air pipe 38. During the rotation process of the air pipe 38, the rack 32 is driven to move backward along the outer surface of the guide rod 35;

[0059] Furthermore, when the rack 32 moves backward, it drives the movable plate 33 and the rear end of the airbag 34 to move backward at the same time, stretching the airbag 34. At this time, external gas enters the interior of the airbag 34 from the air inlet.

[0060] After the output end of the motor 1 21 rotates half a circle forward and stops running, the rack 32 moves to the front side of the upper end of the rack 32 and meshes with the outer surface of the gear 31.

[0061] During the grinding process of the vertical round tube, the output end of the motor 21 is reversed, and then the gear 31 rotates in the opposite direction through the cooperation of the roller 28, the gearbox and the round rod 39, thereby causing the rack 32 to slide forward along the guide rod 35;

[0062] As the rack 32 slides forward, it drives the movable plate 33 to move forward, and the movable plate 33 will continuously squeeze the airbag 34. Then the gas inside the airbag 34 will be ejected from several nozzles through the hose 37 and the air pipe 38, and continuously blown toward the vertical circular tube that is in the process of grinding, blowing the grinding dust in a targeted manner to prevent the dust from adhering to the surface of the vertical circular tube, which is convenient for checking the grinding effect after the grinding is completed.

[0063] Therefore, this solution achieves the precise movement of the fixing component 4 to the vicinity of the vertical circular tube through the forward rotation of the output end of the motor 1 21, and the cooperation of the rotating rod 1 22 and the rotating rod 2 23 and other structures, in preparation for fixing the vertical circular tube, and at the same time enables the round roller 1 26 and the fixing plate 27 to move along a specific path, which not only ensures that the fixing component 4 is moved to the vicinity of the vertical circular tube, but also does not affect other operations. Similarly, during the reversal of the output end of the motor 1 21, the gear 31 and the rack 32 and other structures cooperate to achieve the effect of continuous blowing during the grinding process, thereby avoiding dust adhering to the surface of the vertical circular tube, preventing dust from affecting the grinding effect, ensuring the smoothness of the surface of the vertical circular tube, and facilitating quality inspection after the grinding is completed.

[0064] Embodiment 3: Based on embodiments 1 and 2, this embodiment is designed to achieve the effect of polishing the end face while polishing the surface of the vertical circular tube.

[0065] See Figure 6 The fixing assembly 4 includes a motor 2 41 fixedly connected to the front end of the fixing plate 27, a fixed roller 42 is fixedly connected to the front end of the output end of the motor 2 41, a driving shaft 43 is provided at the front end of the fixed roller 42, three rotating rods 45 are arranged in a circular array on the outer surface of the fixed roller 42, and three rotating rods 3 44 are arranged in a circular array on the front side of the outer surface of the driving shaft 43. The rotating rods 3 44 and 45 on the same side rotate together and are connected to an arc plate 46. The outer surface of the output end of the motor 2 41 is transmission-connected to a rotating roller 2 47, and a clamping block 48 is fixedly connected to the front end of the rotating roller 2 47.

[0066] The outer surface of the output end of the second motor 41 and the outer surface of the second roller 47 are connected by a pulley in the prior art.

[0067] The aforementioned middle drive shaft 43 is the output shaft of the cylinder in the prior art, and the drive shaft 43 can be freely moved forward or backward through control.

[0068] When the fixed plate 27 and the round roller 1 26 are moved forward by the slide plate 25 and other structures until the outer surface of the round roller 1 26 is in close contact with the front side wall of the inner surface of the horizontal portion of the L-shaped groove 241, the three curved plates 46 are located inside the vertical circular tube to be polished, and the driving shaft 43 is then activated, and the front end of the driving shaft 43 moves forward a distance. During the forward movement of the front end of the driving shaft 43, the three rotating rods 3 44 are driven to rotate. The direction of rotation of the three rotating rods 3 44 is to rotate away from the driving shaft 43 with the connection point with the driving shaft 43 as the axis.

[0069] During the rotation of the three rotating rods 44, the arc plate 46 on the same side will be pushed outward at the same time, and then the arc plate 46 will drive the rotating rod 45 to rotate at the same time. Then, through the cooperation of the rotating rods 3 44 and 45 on the same side and the arc plate 46, after the driving shaft 43 moves forward a certain distance, the vertical circular tube to be polished is tightened and fixed from the inner surface of the vertical circular tube.

[0070] Then, the motor 2 41 can be stimulated, so that the output end of the motor 2 41 drives the fixed roller 42 and the driving shaft 43 as well as the three rotating rods 3 44 and other structures and the vertical circular tube to rotate simultaneously, preparing for grinding.

[0071] During the rotation of the output end of the second motor 41 , the second roller 47 and the clamping block 48 are driven to rotate simultaneously.

[0072] See Figure 7 The grinding assembly 5 includes a hydraulic cylinder 2 51 fixedly connected to the upper end of the operating table 1, the output end of the hydraulic cylinder 2 51 is fixedly connected to a rectangular plate 52, the lower end of the rectangular plate 52 is slidably connected to a limit plate 53, the left side of the lower end of the limit plate 53 is rotatably connected to a triangular sanding belt 54, the right side of the lower end of the limit plate 53 is fixedly connected to a telescopic rod 55, the lower end of the telescopic rod 55 is fixedly connected to a sliding ring 56, the inner surface of the sliding ring 56 is provided with a bidirectional screw rod 1 57, the rear end of the bidirectional screw rod 1 57 is fixedly connected to a rotating roller 3 58, and the rear end of the rotating roller 3 58 is provided with a card slot 1 581.

[0073] When the vertical round tube to be polished is pushed to the middle of the upper end of the operating table 1 by the hydraulic cylinder 13 in cooperation with the push plate 14, the hydraulic cylinder 2 51 is first activated, so that the output end of the hydraulic cylinder 2 51 pushes the rectangular plate 52 downward, thereby driving the limit plate 53 and the triangular sanding belt 54 to descend simultaneously, until the triangular sanding belt 54 descends to the point where the horizontal part of the sanding belt is in close contact with the outer surface of the vertical round tube, and then the operation of the hydraulic cylinder 2 51 is stopped. During the process of the limit plate 53 descending, the telescopic rod 55 is compressed at the same time;

[0074] Next, the slide plate 25 cooperates with the round roller 1 26 and the fixed plate 27 to push the roller 2 47 and the clamping block 48 located on the rear side of the upper end of the operating table 1 forward until the outer surface of the clamping block 48 is in close contact with the inner surface of the clamping groove 1 581. Then, through the cooperation between the clamping block 48 and the clamping groove 1 581, the roller 2 47 drives the clamping block 48 to rotate, and the roller 3 58 is also driven to rotate continuously.

[0075] The triangular sanding belt 54 mentioned above is a commonly used grinding technology in the prior art.

[0076] After the vertical tube is fixed by using the rotating rod 3 44 in cooperation with the rotating rod 4 45 and the arc plate 46, the triangular abrasive belt 54 is activated to run continuously, and the motor 2 41 is activated to run, and the vertical tube is rotated continuously through the cooperation of the fixed roller 42 and the drive shaft 43.

[0077] During the rotation of the vertical tube, the output end of the second motor 41 located at the rear side of the upper end of the operating table 1 drives the second roller 47 and the clamping block 48 to rotate, which in turn causes the third roller 58 to rotate continuously. Then, the rotation of the third roller 58 drives the bidirectional screw 1 57 to rotate;

[0078] Furthermore, during the rotation of the bidirectional screw 57, the sliding ring 56 drives the telescopic rod 55, the limit plate 53 and the triangular sanding belt 54 to reciprocate back and forth once along the axis of the bidirectional screw 57. That is, during the rotation of the vertical circular tube itself and the triangular sanding belt 54 to grind the outer surface, the triangular sanding belt 54 moves back and forth once, thereby achieving uniform grinding of the outer surface of the vertical circular tube.

[0079] See Figure 8 and Figure 9 The auxiliary component 6 includes a round roller three 66 that is rotatably connected to the upper end of the operating table 1. A clamping groove 2 661 is provided at the front end of the round roller three 66. The outer surface of the round roller three 66 is transmission-connected to the round roller two 61. The left end of the round roller two 61 is fixedly connected to the bidirectional screw rod two 62. The outer surface of the bidirectional screw rod two 62 is provided with a movable ring 64. The outer surface of the movable ring 64 is fixedly connected to the U-shaped plate 63. The upper part of the vertical parts of the U-shaped plate 63 that are close to each other are fixedly connected to the end face grinding wheel 65. The inner surface of the clamping groove 2 661 is adapted to the outer surface of the clamping block 48 located on the front side of the upper end of the operating table 1.

[0080] The lower end of the U-shaped plate 63 is slidably connected to the upper surface of the guide rail 12 .

[0081] When the fixed plate 27 located on the front side of the upper end of the operating table 1 drives the motor 2 41, the roller 2 47 and the block 48 to move backward after descending, the block 48 is driven to move backward until the outer surface of the block 48 is in close contact with the inner surface of the slot 2 661. Then, during the rotation of the roller 2 47 and the block 48, the inner surface of the slot 2 661 cooperates with the outer surface of the block 48, and during the rotation of the roller 2 47 and the block 48, the round roller 3 66 is driven to rotate continuously.

[0082] The outer surface of the third roller 66 and the outer surface of the second roller 61 are connected by a bevel gear set, and the radius of the bevel gear on the outer surface of the second roller 61 is smaller than the radius of the fixed bevel gear on the outer surface of the third roller 66, thereby achieving a faster rotation speed of the second roller 61 than the third roller 66;

[0083] Furthermore, when the round roller 3 66 drives the round roller 2 61 to rotate, the round roller 2 61 will simultaneously drive the bidirectional screw rod 2 62 to rotate. During the rotation of the bidirectional screw rod 2 62 , the movable ring 64 drives the U-shaped plate 63 to move left and right along the outer surface of the guide rail 12 .

[0084] The end face grinding wheel 65 mentioned above is one of the commonly used grinding techniques in the prior art. When the end face grinding wheel 65 is activated and approaches the two end faces of the vertical circular tube, the vertical circular tube continuously rotates, and at the same time, the operation of the end face grinding wheel 65 is coordinated to achieve the grinding of the two end faces of the vertical circular tube.

[0085] Furthermore, when the moving ring 64 drives the U-shaped plate 63 and the two end surface grinding wheels 65 to move leftward along the guide rail 12, the two end surface grinding wheels 65 are always in a running state. When the U-shaped plate 63 moves along the upper surface of the guide rail 12 to the right side close to the arc-shaped slide rail 11, the two end surface grinding wheels 65 respectively contact the two ends of the vertical circular tube, and then the two end surface grinding wheels 65 grind the two ends of the vertical circular tube during the process of moving leftward;

[0086] Similarly, when the U-shaped plate 63 moves to the left end and is in close contact with the arc-shaped slide rail 11, there is still a distance between the two end grinding wheels 65 and the outer surface of the fixed roller 42. The end grinding wheels 65 will not cause damage to other structures such as the fixed roller 42 or the arc-shaped plate 46 during the movement. Then, through the cooperation of the moving ring 64 and the two-way screw rod 62, the U-shaped plate 63 drives the two end grinding wheels 65 to move to the right along the upper surface of the guide rail 12.

[0087] Through the cooperation of the structures such as the second and third round rollers 61 and 66 and the second bidirectional screw rod 62, the two end surface grinding wheels 65 can be reciprocated left and right to grind the front and rear ends of the vertical circular tube. At the same time, through the cooperation of the third roller 58 and the first bidirectional screw rod 57 and the sliding ring 56, the triangular sanding belt 54 can be moved back and forth to evenly grind the outer surface of the vertical circular tube.

[0088] Similarly, through the cooperation between the above-mentioned structures, when the triangular sanding belt 54 moves forward to grind the outer surface of the vertical circular tube, the two end face grinding wheels 65 move to the left to approach the vertical circular tube for end face grinding. When the triangular sanding belt 54 moves to the front side of the vertical circular tube, the two end face grinding wheels 65 have moved to the right away from the vertical circular tube, thereby achieving the forward and backward movement of the triangular sanding belt 54 and the left and right movement of the two end face grinding wheels 65 without interfering with each other, thereby achieving the grinding of the end face of the vertical circular tube while grinding the outer surface of the vertical circular tube.

[0089] After the vertical tube is polished, the drive shaft 43 moves backward, and then the three rotating rods 44 rotate in the opposite direction, so that the three curved plates 46 move closer to the drive shaft 43, thereby releasing the fixing of the vertical tube by the rotating rods 44, 45 and 46.

[0090] Next, the output end of the motor 1 21 continues to rotate forward half a circle, and then the one-way shaft 211 cooperates with the rotating rod 1 22 to rotate clockwise half a circle. Then, through the cooperation of the rotating rod 23 and the slide plate 25 and other structures, the round roller 1 26 and the fixed plate 27 move backward along the inner surface of the horizontal part of the L-shaped groove 241 for a distance and then move upward. In the process of the round roller 1 26 driving the fixed plate 27 to move, the motor 2 41 and the rotating roller 2 47 and other structures move in the same direction.

[0091] Then, the second motor 41 and the second roller 47 and other structures first move horizontally backward for a distance and then move upward.

[0092] Finally, the output end of the second hydraulic cylinder 51 pulls the rectangular plate 52 , the limiting plate 53 and the triangular abrasive belt 54 upward.

[0093] Then, through the cooperation of hydraulic cylinder 13 and push plate 14, the new vertical round tube to be polished is pushed forward, and at the same time, the new vertical round tube pushes the polished vertical round tube forward to unload. After the new vertical round tube to be polished moves forward to the middle of the upper end of the operating table 1, the above operation is repeated to continue polishing the outer surface and both end faces of the vertical round tube at the same time.

[0094] Therefore, this solution uses the cooperation of the fixed roller 42, the rotating rod three 44, and the rotating rod four 45 to make the vertical circular tube rotate continuously when the triangular sanding belt 54 grinds the outer surface of the vertical circular tube, thereby ensuring that the outer surface is polished with a uniform thickness and there is no blind spot in the polishing. At the same time, through the cooperation of the clamping block 48 and the clamping groove 1 581 and other structures, the triangular sanding belt 54 can be moved back and forth once along the axis of the vertical circular tube while the vertical circular tube rotates, thereby achieving the effect of uniform polishing of the outer surface of the vertical circular tube. In addition, through the cooperation of the clamping groove 2 661, the round roller three 66, and the clamping block 48 and other structures, while the triangular sanding belt 54 grinds the surface of the vertical circular tube, the end face of the vertical circular tube is polished by two end face grinding wheels 65, thereby achieving the synchronous polishing of the outer surface of the vertical circular tube and the end face polishing, and the two sets of motion trajectories are independent of each other, which greatly shortens the polishing processing period and further improves production efficiency.

[0095] It should be noted that the specific installation method, circuit connection method and control method of hydraulic cylinder 13, motor 1 21, motor 2 41 and hydraulic cylinder 2 51 used in the present invention are all conventional designs and will not be elaborated in detail in the present invention.

[0096] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipe grinding device for producing building guardrails, comprising an operating table (1), characterized in that: A transmission assembly (2) is symmetrically fixedly connected to the left side of the upper end of the operating table (1), a fixing assembly (4) is provided on the right side of the two transmission assemblies (2), a grinding assembly (5) is provided on the upper end of the operating table (1), an auxiliary assembly (6) is provided on the right side of the upper end of the operating table (1), and a blowing assembly (3) is provided on the left side of the two transmission assemblies (2).

2. A pipe grinding device for producing building guardrails according to claim 1, characterized in that: The middle part of the upper end of the operating platform (1) is fixedly connected to an arc-shaped slide rail (11), the right side of the upper end of the operating platform (1) is fixedly connected to a guide rail (12), the left side of the upper end of the operating platform (1) is fixedly connected to a hydraulic cylinder (13), and the output end of the hydraulic cylinder (13) is fixedly connected to a push plate (14).

3. The pipe grinding device for producing building guardrails according to claim 1 is characterized in that: The transmission assembly (2) comprises a motor 1 (21) fixedly connected to the upper end of the operating table (1); the right side of the output end of the motor 1 (21) is rotatably connected to a one-way rotating shaft (211); the outer surface of the one-way rotating shaft (211) is fixedly connected to a rotating rod 1 (22); the front side of the right end of the rotating rod 1 (22) is rotatably connected to a rotating rod 2 (23); the front side of the left end of the rotating rod 2 (23) is rotatably connected to a slide plate (25); and the right end of the slide plate (25) is provided with an inclined slot (251).

4. The pipe grinding device for producing building guardrails according to claim 3 is characterized in that: The lower end of the slide plate (25) is slidably connected to a support plate (24), the right end of the support plate (24) is provided with an L-shaped groove (241), the inner surface of the L-shaped groove (241) is slidably connected to a round roller (26), the right side of the outer surface of the round roller (26) is fixedly connected to a fixed plate (27), and the lower side of the left end of the support plate (24) is rotatably connected to a rotating roller (28).

5. The pipe grinding device for producing building guardrails according to claim 4 is characterized in that: The fixing assembly (4) includes a second motor (41) fixedly connected to the front end of the fixing plate (27), the front end of the output end of the second motor (41) is fixedly connected to a fixed roller (42), the front end of the fixed roller (42) is provided with a driving shaft (43), the outer surface of the fixed roller (42) has three rotating rods (45) in a circular array, the outer surface of the driving shaft (43) has three rotating rods (44) in a circular array on the front side, and the rotating rods (44) and the rotating rods (45) on the same side are connected to an arc plate (46) for common rotation.

6. The pipe grinding device for producing building guardrails according to claim 5, characterized in that: The outer surface of the output end of the second motor (41) is connected to the second roller (47) in a transmission manner, and the front end of the second roller (47) is fixedly connected to a clamping block (48).

7. A pipe grinding device for producing building guardrails according to claim 6, characterized in that: The grinding assembly (5) comprises a hydraulic cylinder 2 (51) fixedly connected to the upper end of the operating table (1); the output end of the hydraulic cylinder 2 (51) is fixedly connected to a rectangular plate (52); the lower end of the rectangular plate (52) is slidably connected to a limit plate (53); the left side of the lower end of the limit plate (53) is rotatably connected to a triangular sanding belt (54); the right side of the lower end of the limit plate (53) is fixedly connected to a telescopic rod (55); the lower end of the telescopic rod (55) is fixedly connected to a sliding ring (56); the inner surface of the sliding ring (56) is provided with a bidirectional screw rod 1 (57); the rear end of the bidirectional screw rod 1 (57) is fixedly connected to a rotating roller 3 (58); the rear end of the rotating roller 3 (58) is provided with a card slot 1 (581).

8. The pipe grinding device for producing building guardrails according to claim 6, characterized in that: The auxiliary component (6) includes a circular roller three (66) rotatably connected to the upper end of the operating table (1), a clamping groove two (661) is provided at the front end of the circular roller three (66), the outer surface of the circular roller three (66) is transmission-connected to the circular roller two (61), the left end of the circular roller two (61) is fixedly connected to the bidirectional screw rod two (62), the outer surface of the bidirectional screw rod two (62) is provided with a moving ring (64), the outer surface of the moving ring (64) is fixedly connected to the U-shaped plate (63), the upper part of the vertical parts of the U-shaped plate (63) close to each other is fixedly connected to the end face grinding wheel (65), and the inner surface of the clamping groove two (661) is adapted to the outer surface of the clamping block (48) located on the front side of the upper end of the operating table (1).

9. The pipe grinding device for producing building guardrails according to claim 3, characterized in that: The blowing assembly (3) comprises a round rod (39) which is transmission-connected to the outer surface of the rotating roller (28); the outer surface of the round rod (39) is fixedly connected to a gear (31); the outer surface of the gear (31) is meshed with a rack (32); the lower end of the rack (32) is slidably connected to a guide rod (35); the left end of the rack (32) is fixedly connected to a movable plate (33); the upper end of the operating table (1) is fixedly connected to a fixed block (36); the movable plate (33) and the fixed block (36) are fixedly connected to an air bag (34) at one end close to each other; the front side of the outer surface of the air bag (34) is fixedly connected to a hose (37); the end of the hose (37) away from the air bag (34) is fixedly connected to an air pipe (38); a plurality of nozzles are obliquely provided on the side of the outer surface of the air pipe (38) close to the arc slide rail (11).

Images