Pretreatment intelligent machining device for nodular cast iron pipe inner wall spraying procedure

Abstract

The invention discloses a pretreatment intelligent machining device for a nodular cast iron pipe inner wall spraying procedure, and relates to the technical field of nodular cast iron pipe inner wall machining and grinding devices. The pretreatment intelligent machining device for the nodular cast iron pipe inner wall spraying procedure comprises a base, the top of the base is fixedly connected with an adjusting supporting beam, the interior of the base is fixedly connected with a rotating fixing mechanism, the interior of the adjusting supporting beam is rotationally connected with a driving mechanism, and the driving mechanism comprises a first rotating lead screw. According to the pretreatment intelligent machining device for the nodular cast iron pipe inner wall spraying procedure, a first sliding block is arranged, and after a fourth motor is started, a conical push block pushes the first sliding block to move, so that the inner wall of a nodular cast iron pipe is conveniently and preliminarily ground by a spherical first grinding block; and large dynamic load fluctuation caused by unevenness of the inner wall during finish machining is avoided, so that the risks of vibration and deformation in the machining process are reduced, and the overall machining efficiency of the device is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of ductile iron pipe inner wall processing and polishing devices, in particular to a pretreatment intelligent processing device for a ductile iron pipe inner wall spraying process. Background Art

[0002] Ductile iron pipe refers to a pipe made by high-speed centrifugal casting in a centrifugal ductile iron casting machine after adding spheroidizing agent to molten iron above No. 18. It has the essence of iron and the performance of steel. The metallographic structure of the ductile iron pipe after annealing is ferrite plus a small amount of pearlite. It has good mechanical properties, excellent corrosion resistance, good ductility, good sealing effect, and easy installation. It is mainly used for water supply, gas transmission, and oil transmission in municipal and industrial and mining enterprises. The cast ductile iron pipe needs to be sprayed with epoxy or polyurethane on its inner wall to improve its corrosion resistance. Before spraying, the inner wall needs to be polished to remove foreign matter such as slag layer, floating rust or oil stains on the inner wall, so as to make its inner wall smooth and improve the adhesion between the sprayed paint and its inner wall.

[0003] Citing the invention patent with Chinese publication number "CN111618675B", the base, shaft, fixed sleeve, cast iron pipe body, bracket and motor, the base is fixedly connected to a bracket plate, the shaft and fixed sleeve are connected to the bracket plate, the fixed sleeve is provided with a fastening screw and a transmission wheel, the shaft is provided with a grinding assembly, the grinding assembly includes a sleeve, a lifting screw, a grinding seat and a nut, the output shaft of the motor is fixedly connected to a driving wheel, and the driving wheel and the transmission wheel are linked by a belt.

[0004] The existing device requires workers to perform auxiliary grinding. Long-term work will make the workers tired, affect the grinding accuracy, and ultimately lead to low overall processing efficiency. Summary of the Invention

[0005] In view of the shortcomings of the existing technology, the present invention provides a pretreatment intelligent processing device for the spraying process of the inner wall of a ductile iron pipe to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a pretreatment intelligent processing device for the inner wall spraying process of a ductile iron pipe, comprising a base, the top of the base is fixedly connected to an adjustable support beam, the interior of the base is fixedly connected to a rotation and fixing mechanism, the interior of the adjustable support beam is rotatably connected to a driving mechanism, the driving mechanism comprises a first rotating screw, the bottom of the first rotating screw is fixedly connected to a cylinder, the interior of the cylinder is fixedly connected to a rough grinding mechanism, and the interior of the cylinder is also fixedly connected to a fine grinding mechanism;

[0007] The rough grinding mechanism includes:

[0008] A conical push block, the conical push block being slidably connected to the interior of the cylinder;

[0009] The first connecting rod is slidably connected to the inside of the cylinder, and the surface of the first connecting rod is fixedly connected to the first sliding block.

[0010] Preferably, the rotation fixing mechanism includes a first motor, which is fixedly connected to the inside of the base. The inside of the first motor is fixedly connected to a first gear through an output shaft. The surface of the first gear is meshed with a first rotating block, and the first rotating block is rotatably connected to the inside of the base.

[0011] Preferably, the top of the first rotating block is fixedly connected to an electric telescopic rod, the top of the electric telescopic rod is fixedly connected to a first fixed block, the surface of the first fixed block is fixedly connected to a first telescopic motor, and the interior of the first telescopic motor is fixedly connected to an arc-shaped fixed block through an output shaft.

[0012] Preferably, the rough grinding mechanism further includes a fourth motor, the fourth motor is fixedly connected to the interior of the cylinder, and the interior of the fourth motor is slidably connected to the conical push block via an output shaft.

[0013] Preferably, the surface of the first connecting rod is fixedly connected to the second fixed block, the surface of the second fixed block is rotatably connected to the second connecting rod, the surface of the second connecting rod is rotatably connected to the third connecting rod, and the surface of the second fixed block is fixedly connected to the first grinding block.

[0014] Preferably, the fine grinding mechanism includes a fifth motor, which is fixedly connected to the interior of the cylinder. The interior of the fifth motor is fixedly connected to a third gear via an output shaft, and the surface of the third gear is meshedly connected to a fourth gear.

[0015] Preferably, the interior of the cylinder is rotatably connected to a second rotating screw, and the second rotating screw is fixedly connected to the axis of the fourth gear, the end of the second rotating screw is fixedly connected to a second slider, the surface of the second slider is rotatably connected to a fourth connecting rod, and the surface of the fourth connecting rod is rotatably connected to a second grinding block.

[0016] Preferably, the driving mechanism includes a second motor, which is fixedly connected to the bottom of the adjusting support beam, and the interior of the second motor is fixedly connected to a second gear through an output shaft, the surface of the second gear is meshedly connected to a second rotating block, and the first rotating screw is slidably connected to the interior of the second rotating block, the top of the second rotating block is fixedly connected to a supporting telescopic rod, and the top of the supporting telescopic rod is fixedly connected to a third motor.

[0017] The present invention provides an intelligent pretreatment processing device for the spraying process of the inner wall of ductile iron pipes. It has the following beneficial effects:

[0018] 1. This intelligent pre-processing device for the spraying process of the inner wall of a ductile iron pipe is provided with a first slider. After starting the fourth motor, the conical push block pushes the first slider to move, thereby facilitating the spherical first grinding block to initially grind the inner wall of the ductile iron pipe, avoiding large fluctuations in dynamic loads during fine machining due to the unevenness of the inner wall, thereby reducing the risk of vibration and deformation during the machining process, thereby improving the overall machining efficiency of the device.

[0019] 2. This intelligent pretreatment processing device for the spraying process of the inner wall of the ductile iron pipe is equipped with a second grinding block, and the fifth motor is started to drive the second grinding block through gear transmission to grind the inner wall of the ductile iron pipe. No manual operation is required and the inner wall of the ductile iron pipe can be processed and polished more accurately, thereby improving the processing accuracy and the overall processing efficiency of the device.

[0020] 3. This intelligent processing device for pretreatment of the inner wall of ductile iron pipes in the spraying process is equipped with a coarse grinding mechanism and a fine grinding mechanism for coordinated grinding. Compared with the traditional single grinding method, this method can quickly remove the uneven protrusions on the inner wall of the ductile iron pipe, thereby improving the overall processing efficiency of the device.

[0021] 4. This intelligent pretreatment processing device for the inner wall spraying process of a ductile iron pipe is equipped with a first rotating block. After the ductile iron pipe is fixed, the first motor is started to drive it to rotate, and the second motor is started to drive the second rotating block to rotate in the opposite direction, so that the linear velocity vectors of the two are superimposed, so that their relative motion speed is significantly improved, thereby increasing the area of ​​the pipe wall covered by internal grinding per unit time, thereby improving the processing efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the main three-dimensional structure of the present invention;

[0023] Figure 2 Schematic diagram of the driving mechanism of the present invention;

[0024] Figure 3 This is a schematic cross-sectional view of the first cylinder of the present invention;

[0025] Figure 4 This is a top view schematic diagram of the rotating and fixing mechanism of the present invention;

[0026] Figure 5 For the present invention Figure 3 The enlarged schematic diagram of point B in the middle;

[0027] Figure 6 This is a bottom view schematic diagram of the rotating and fixing mechanism of the present invention;

[0028] Figure 7 For the present invention Figure 3 A in the middle is an enlarged schematic diagram;

[0029] Figure 8 This is a schematic cross-sectional view of the second cylinder of the present invention.

[0030] In the figure: 1. base; 2. adjustable support beam; 3. rotating and fixing mechanism; 31. first motor; 32. first gear; 33. first rotating block; 34. electric telescopic rod; 35. first fixed block; 36. first telescopic motor; 37. arc-shaped fixed block; 4. driving mechanism; 41. second motor; 42. second gear; 43. second rotating block; 44. third motor; 45. supporting telescopic rod; 46. first rotating screw; 5. cylinder; 6. rough grinding mechanism; 61. fourth motor; 62. conical push block; 63. first slider; 64. first connecting rod; 65. second fixed block; 66. first grinding block; 67. second connecting rod; 68. third connecting rod; 7. fine grinding mechanism; 71. fifth motor; 72. third gear; 73. fourth gear; 74. second rotating screw; 75. second slider; 76. fourth connecting rod; 77. second grinding block. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0032] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but are not to be construed as limiting the present invention.

[0033] Example 1: Please refer to Figure 1-6 The present invention provides a technical solution: a pretreatment intelligent processing device for the inner wall spraying process of a ductile iron pipe, comprising a base 1, the top of the base 1 is fixedly connected to an adjustable support beam 2, the interior of the base 1 is fixedly connected to a rotation fixing mechanism 3, the interior of the adjustable support beam 2 is rotatably connected to a driving mechanism 4, the driving mechanism 4 comprises a first rotating screw 46, the bottom of the first rotating screw 46 is fixedly connected to a cylinder 5, the interior of the cylinder 5 is fixedly connected to a rough grinding mechanism 6, and the interior of the cylinder 5 is also fixedly connected to a fine grinding mechanism 7;

[0034] The rough grinding mechanism 6 comprises:

[0035] A conical push block 62 is slidably connected to the interior of the cylinder 5;

[0036] The first connecting rod 64 is slidably connected to the inside of the cylinder 5 , and the first slider 63 is fixedly connected to the surface of the first connecting rod 64 .

[0037] The rotation and fixing mechanism 3 includes a first motor 31, which is fixedly connected to the inside of the base 1. The inside of the first motor 31 is fixedly connected to a first gear 32 through an output shaft. The surface of the first gear 32 is meshedly connected to a first rotating block 33, and the first rotating block 33 is rotatably connected to the inside of the base 1.

[0038] The top of the first rotating block 33 is fixedly connected to an electric telescopic rod 34, the top of the electric telescopic rod 34 is fixedly connected to a first fixed block 35, the surface of the first fixed block 35 is fixedly connected to a first telescopic motor 36, and the interior of the first telescopic motor 36 is fixedly connected to an arc-shaped fixed block 37 via an output shaft.

[0039] The rough grinding mechanism 6 further includes a fourth motor 61 , which is fixedly connected to the interior of the cylinder 5 , and the interior of the fourth motor 61 is slidably connected to the conical push block 62 via an output shaft.

[0040] The surface of the first connecting rod 64 is fixedly connected to the second fixed block 65 , the surface of the second fixed block 65 is rotatably connected to the second connecting rod 67 , the surface of the second connecting rod 67 is rotatably connected to the third connecting rod 68 , and the surface of the second fixed block 65 is fixedly connected to the first grinding block 66 .

[0041] When in use, first place the ductile iron pipe on the top of the first rotating block 33, then control the electric telescopic rod 34 to adjust the first fixed block 35 to a suitable position, and then start the first telescopic motor 36. The start of the first telescopic motor 36 drives the arc-shaped fixed block 37 to fix the ductile iron pipe through the output shaft, and then start the second motor 41. The start of the second motor 41 drives the first rotating screw 46 to rotate. The rotation of the first rotating screw 46 drives the cylinder 5 to move toward the inner wall of the ductile iron pipe. At the same time, start the second motor 41. The start of the second motor 41 drives the second gear 42 to rotate through the output shaft, and the rotation of the second gear 42 drives the second rotating block 43 to rotate.

[0042] While the cylinder 5 is rotating, the fourth motor 61 is started first. The start of the fourth motor 61 drives the conical push block 62 to slide through the output shaft. The sliding of the conical push block 62 pushes the first slider 63 to move, and finally drives the first grinding block 66 to preliminarily grind the inner wall of the ductile iron pipe through the connecting rod transmission.

[0043] By setting the first slider 63 and starting the fourth motor 61, the conical push block 62 pushes the first slider 63 to move, thereby facilitating the spherical first grinding block 66 to initially grind the inner wall of the ductile iron pipe, avoiding large fluctuations in dynamic loads during fine machining due to the unevenness of the inner wall, thereby reducing the risk of vibration and deformation during machining, and thus improving the overall machining efficiency of the device.

[0044] By setting the first rotating block 33, the ductile iron pipe is fixed and the first motor 31 is started to drive it to rotate, and the second motor 41 is started to drive the second rotating block 43 to rotate in the opposite direction, so that the linear velocity vectors of the two are superimposed, so that their relative movement speed is significantly improved, thereby increasing the area of ​​the pipe wall covered by internal grinding per unit time, thereby improving the processing efficiency of the device.

[0045] Example 2: Please refer to Figure 1-8 Based on the first embodiment, the present invention provides a technical solution:

[0046] The fine grinding mechanism 7 includes a fifth motor 71 , which is fixedly connected to the inside of the cylinder 5 . A third gear 72 is fixedly connected to the inside of the fifth motor 71 via an output shaft, and a fourth gear 73 is meshedly connected to the surface of the third gear 72 .

[0047] The interior of the cylinder 5 is rotatably connected to a second rotating screw 74, and the second rotating screw 74 is fixedly connected to the axis of the fourth gear 73. The end of the second rotating screw 74 is fixedly connected to a second slider 75. The surface of the second slider 75 is rotatably connected to a fourth connecting rod 76, and the surface of the fourth connecting rod 76 is rotatably connected to a second grinding block 77.

[0048] The driving mechanism 4 includes a second motor 41, which is fixedly connected to the bottom of the adjustment support beam 2. The interior of the second motor 41 is fixedly connected to a second gear 42 through an output shaft. The surface of the second gear 42 is meshedly connected to a second rotating block 43, and the first rotating screw 46 is slidably connected to the interior of the second rotating block 43. The top of the second rotating block 43 is fixedly connected to a supporting telescopic rod 45, and the top of the supporting telescopic rod 45 is fixedly connected to a third motor 44.

[0049] During use, after the preliminary grinding is completed by the first grinding block 66, the fifth motor 71 is started. The start of the fifth motor 71 drives the third gear 72 to rotate through the output shaft, and the rotation of the third gear 72 drives the fourth gear 73 to rotate. The rotation of the fourth gear 73 drives the second rotating screw 74 to rotate. The rotation of the second rotating screw 74 drives the second slider 75 at the end to move, and finally the second grinding block 77 is further polished through the connecting rod transmission action. The inner wall of the ductile iron pipe.

[0050] By setting up the second grinding block 77, starting the fifth motor 71 and finally driving the second grinding block 77 through gear transmission to grind the inner wall of the ductile iron pipe, no manual operation is required and it can be processed and polished more accurately, thereby improving the processing accuracy and the overall processing efficiency of the device.

[0051] By arranging the coarse grinding mechanism 6 and the fine grinding mechanism 7 to cooperate with each other in grinding, compared with the traditional single grinding method, this method can quickly remove the uneven protrusions on the inner wall of the ductile iron pipe, thereby improving the overall processing efficiency of the device.

[0052] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. An intelligent pretreatment processing device for the spraying process of the inner wall of a ductile iron pipe, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to an adjustment support beam (2), the interior of the base (1) is fixedly connected to a rotation fixing mechanism (3), the interior of the adjustment support beam (2) is rotationally connected to a driving mechanism (4), the driving mechanism (4) comprises a first rotating screw (46), the bottom of the first rotating screw (46) is fixedly connected to a cylinder (5), the interior of the cylinder (5) is fixedly connected to a rough grinding mechanism (6), and the interior of the cylinder (5) is also fixedly connected to a fine grinding mechanism (7); The rough grinding mechanism (6) comprises: A conical push block (62) slidably connected to the interior of the cylinder (5); A first connecting rod (64) is slidably connected to the interior of the cylinder (5), and a first sliding block (63) is fixedly connected to the surface of the first connecting rod (64).

2. The intelligent pretreatment processing device for the spraying process of the inner wall of a ductile iron pipe according to claim 1 is characterized in that: The rotation fixing mechanism (3) comprises a first motor (31), the first motor (31) is fixedly connected to the interior of the base (1), the interior of the first motor (31) is fixedly connected to a first gear (32) via an output shaft, the surface of the first gear (32) is meshedly connected to a first rotating block (33), and the first rotating block (33) is rotatably connected to the interior of the base (1).

3. The intelligent pretreatment processing device for the spraying process of the inner wall of a ductile iron pipe according to claim 2 is characterized in that: The top of the first rotating block (33) is fixedly connected to an electric telescopic rod (34), the top of the electric telescopic rod (34) is fixedly connected to a first fixed block (35), the surface of the first fixed block (35) is fixedly connected to a first telescopic motor (36), and the interior of the first telescopic motor (36) is fixedly connected to an arc-shaped fixed block (37) via an output shaft.

4. The intelligent pretreatment processing device for the spraying process of the inner wall of a ductile iron pipe according to claim 3 is characterized in that: The rough grinding mechanism (6) further comprises a fourth motor (61), wherein the fourth motor (61) is fixedly connected to the interior of the cylinder (5), and the interior of the fourth motor (61) is slidably connected to the conical push block (62) via an output shaft.

5. The intelligent pre-processing device for the spraying process of the inner wall of a ductile iron pipe according to claim 4 is characterized in that: The surface of the first connecting rod (64) is fixedly connected to the second fixing block (65), the surface of the second fixing block (65) is rotatably connected to the second connecting rod (67), the surface of the second connecting rod (67) is rotatably connected to the third connecting rod (68), and the surface of the second fixing block (65) is fixedly connected to the first grinding block (66).

6. The intelligent pretreatment processing device for the spraying process of the inner wall of a ductile iron pipe according to claim 5 is characterized in that: The fine grinding mechanism (7) comprises a fifth motor (71), the fifth motor (71) being fixedly connected to the interior of the cylinder (5), the interior of the fifth motor (71) being fixedly connected to a third gear (72) via an output shaft, and the surface of the third gear (72) being meshedly connected to a fourth gear (73).

7. The intelligent pre-processing device for the spraying process of the inner wall of a ductile iron pipe according to claim 6, characterized in that: The cylinder (5) is internally rotatably connected to a second rotating screw (74), and the second rotating screw (74) is fixedly connected to the axis of the fourth gear (73). The end of the second rotating screw (74) is fixedly connected to a second slider (75), and the surface of the second slider (75) is rotatably connected to a fourth connecting rod (76), and the surface of the fourth connecting rod (76) is rotatably connected to a second grinding block (77).

8. The intelligent pretreatment processing device for the spraying process of the inner wall of a ductile iron pipe according to claim 7 is characterized in that: The driving mechanism (4) comprises a second motor (41), the second motor (41) is fixedly connected to the bottom of the adjustment support beam (2), the interior of the second motor (41) is fixedly connected to a second gear (42) via an output shaft, the surface of the second gear (42) is meshedly connected to a second rotating block (43), and a first rotating screw (46) is slidably connected to the interior of the second rotating block (43), the top of the second rotating block (43) is fixedly connected to a supporting telescopic rod (45), and the top of the supporting telescopic rod (45) is fixedly connected to a third motor (44).

Images