Pipeline outer wall spraying device

Abstract

The utility model relates to the technical field of pipe fitting spraying equipment, in particular to a pipeline outer wall spraying device which comprises an operation table, fixing plates are connected to the operation table, the two sides of the operation table are each provided with one fixing plate, first mounting bearing seats are connected to the fixing plates, and rotating shafts are arranged in the first mounting bearing seats in a penetrating mode; wherein one fixing plate is connected with a connecting frame, the connecting frame is connected with a rotating motor, an output shaft of the rotating motor is coaxially connected with a rotating shaft, the rotating shaft is connected with a rotating disc, the rotating disc is provided with a supporting mechanism, the operation table is connected with a fixing frame, and the fixing frame is provided with a spray head used for spraying atomized paint liquid. The spraying head is externally connected with a paint spraying machine through a hose, a transverse moving assembly used for driving the spraying head to transversely move is arranged on the fixing frame, and a drying assembly used for drying paint liquid is further arranged on the fixing frame. The spraying device has the effects that the spraying device can be suitable for pipelines with different pipe diameters, the spraying device has a quick-drying function, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe fitting spraying equipment, in particular to a pipe outer wall spraying device. Background Art

[0002] Spraying devices are special tools used to cover metal and non-metal surfaces with protective or decorative layers. Spraying equipment is a product of the increasingly common environment of industrial technology development and automation after the reform and opening up. With the increasing degree of automation, the application of spraying production lines is becoming more and more extensive and has penetrated into many fields of the national economy. The spraying equipment on the market can be divided into three types according to the degree of automation: manual spraying equipment, semi-automatic spraying equipment and fully automatic spraying equipment.

[0003] The existing Chinese patent with announcement number CN210545791U discloses a pipe outer wall spraying device, including a frame, a support ring arranged in the frame, a spray mounting ring rotatably arranged on the support ring, the spray mounting ring has spray guns evenly distributed along the inner circle, a crank rocker mechanism is arranged in the frame, wherein the motor drives the crank to rotate; an outwardly extending pull rod is arranged on the outer side of the spray mounting ring, the rocker of the crank rocker mechanism is slidably connected to the pull rod to push the pull rod and the spray mounting ring to swing back and forth; the swing angle of the spray mounting ring is not less than the spacing angle of the evenly distributed spray guns. The utility model utilizes the characteristics of the crank rocker mechanism, and can realize the back and forth swing of the spray mounting ring without the need for the motor to rotate forward and reverse, and has a simple structure and low cost. Compared with other transmission methods such as chain transmission, it has high safety performance, is not prone to failure, and sprays evenly.

[0004] Regarding the above-mentioned related technologies, the inventors believe that the following problems exist: the above-mentioned spraying device cannot be adjusted for use according to the size of the pipeline, cannot be used interchangeably between pipelines of different sizes, and does not have a good accelerated air-drying function. The cooling cycle after spraying is long, which will affect work efficiency. Utility Model Content

[0005] In order to make the spraying device suitable for pipes of different diameters and to make it have a quick-drying function and improve work efficiency, the present application provides a pipe outer wall spraying device.

[0006] The present application provides a pipeline outer wall spraying device adopts the following technical solution:

[0007] A device for spraying outer wall of pipeline, comprises an operating table, a fixed plate is connected to the operating table, one of the fixed plates is respectively provided on both sides of the operating table, a first mounting bearing seat is connected to the fixed plate, a rotating shaft is passed through the first mounting bearing seat, a connecting frame is connected to one of the fixed plates, a rotating motor is connected to the connecting frame, the output shaft of the rotating motor is coaxially connected to the rotating shaft through a coupling, a rotating disk is connected to the rotating shaft, one of the rotating disks is respectively provided at the opposite ends of the two rotating shafts, a supporting mechanism for supporting the inner wall of the pipeline is provided on the rotating disk, a fixed frame is connected to the operating table, a nozzle for spraying atomized paint liquid is provided on the fixed frame, the nozzle is connected to a paint sprayer through a hose, a lateral movement component for driving the nozzle to move laterally is provided on the fixed frame, and a drying component for drying the paint liquid is also provided on the fixed frame.

[0008] Preferably, the supporting mechanism comprises a fixed seat, a second mounting bearing seat, a mounting frame, a driving motor, a bidirectional threaded rod, a nut seat and a support rod, the fixed seat is connected to the rotating disk, the fixed seat is provided with a mounting groove, the second mounting bearing seat is connected to the fixed seat, the second mounting bearing seat is respectively provided with one at both ends of the mounting groove, the bidirectional threaded rod is connected between the two second mounting bearing seats, the mounting frame is connected to the fixed seat, the driving motor is connected to the mounting frame, the output shaft of the driving motor is coaxially connected to the bidirectional threaded rod through a coupling, the nut seat is connected to the bidirectional threaded rod, the nut seat is symmetrically provided with one on both sides of the center of the bidirectional threaded rod, the nut seat is arranged in a cubic shape, the side wall of the nut seat slides in contact with the inner wall of the mounting groove, the support rod is connected to the nut seat, the support rod is arranged in a direction parallel to the operating table, and the two support rods are arranged parallel to each other.

[0009] Preferably, a rubber extrusion pad is sleeved on the support rod, and the rubber extrusion pad is arranged along the length direction of the support rod.

[0010] Preferably, a numerical control slip ring is connected to the rotating shaft, and the numerical control slip ring is located between the fixed plate and the rotating disk.

[0011] Preferably, the transverse movement assembly includes a servo slide rail and a lifting cylinder, the servo slide rail is connected to a fixed frame, the servo slide rail is arranged along the length direction of the fixed frame, the lifting cylinder is connected to a movable seat of the servo slide rail, the piston rod of the lifting cylinder is arranged in a direction perpendicular to the operating table, and the nozzle is connected to the piston rod of the lifting cylinder.

[0012] Preferably, the drying component includes a pushing hydraulic cylinder, a heating plate and an electric heating wire, the pushing hydraulic cylinder is connected to a fixed frame, the piston rod of the pushing hydraulic cylinder is arranged in a direction perpendicular to the side wall of the fixed frame on which it is located, the heating plate is connected to the end of the piston rod of the pushing hydraulic cylinder passing through the fixed frame, the heating plate is arranged as an arc-shaped plate, the electric heating wire is installed on the heating plate, the electric heating wire is arranged along the length direction of the heating plate, and a plurality of the electric heating wires are evenly arranged along the width of the heating plate.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] The utility model provides a pipeline outer wall spraying device, comprising an operating table, a fixed plate, a first mounting bearing seat, a rotating shaft, a connecting frame, a rotating motor, a rotating disk, a supporting mechanism, a fixed frame, a nozzle, a paint sprayer, a transverse movement component and a drying component. During operation, the pipeline is placed between two supporting mechanisms, and the supporting mechanism is used to support the inner wall of the pipeline to fix it. Then, the rotating motor drives the rotating shaft to drive the rotating disk and the pipeline to rotate. During painting, the paint sprayer provides paint liquid to the nozzle, and the transverse movement component is used to move the nozzle from one end of the pipeline to the other end at a uniform speed to spray paint on the outer wall of the pipeline. After the painting is completed, the drying component is used to dry the pipeline, thereby achieving the effect of making the spraying device suitable for pipelines of different diameters, making it have a quick-drying function, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the pipeline outer wall spraying device in the embodiment of the present application;

[0016] Figure 2 yes Figure 1 The enlarged view of point A in the middle;

[0017] Figure 3 It is a side view of the pipeline outer wall spraying device in an embodiment of the present application.

[0018] Explanation of the reference numerals in the accompanying drawings: 1. operating table; 2. fixing plate; 21. first mounting bearing seat; 22. rotating shaft; 221. rotating disk; 222. CNC slip ring; 23. connecting frame; 24. rotating motor; 3. supporting mechanism; 31. fixing seat; 32. second mounting bearing seat; 33. mounting frame; 34. driving motor; 35. bidirectional threaded rod; 36. nut seat; 37. supporting rod; 371. rubber extrusion pad; 4. fixing frame; 5. nozzle; 6. transverse movement assembly; 61. servo slide rail; 62. lifting cylinder; 7. drying assembly; 71. pushing hydraulic cylinder; 72. heating plate; 73. heating wire. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the scheme of the utility model, the scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiment is only an embodiment of a part of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two original components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] The present application embodiment discloses a pipe outer wall spraying device. Figure 1 , Figure 2 and Figure 3 The pipe outer wall spraying device includes an operating table 1, a fixed plate 2 is connected to the operating table 1, the fixed plate 2 is arranged in an inverted "L" shape, and the fixed plate 2 is respectively provided on both sides of the operating table 1, a first mounting bearing seat 21 is connected to the fixed plate 2, a rotating shaft 22 is penetrated in the first mounting bearing seat 21, a connecting frame 23 is connected to one of the fixed plates 2, a rotating motor 24 is connected to the connecting frame 23, the output shaft of the rotating motor 24 is coaxially connected to the rotating shaft 22 through a coupling, and the rotating shaft 22 is connected There is a rotating disk 221, which is respectively provided with a disk at the opposite ends of the two rotating shafts 22. The rotating disk 221 is provided with a supporting mechanism 3 for supporting the inner wall of the pipeline. The operating table 1 is connected to a fixed frame 4, and the fixed frame 4 is provided with a nozzle 5 for spraying atomized paint liquid. The nozzle 5 is connected to a paint sprayer through a hose (the paint sprayer is a prior art, so it is not described here). The fixed frame 4 is provided with a lateral movement component 6 for driving the nozzle 5 to move horizontally, and the fixed frame 4 is also provided with a drying component 7 for drying the paint liquid.

[0022] The supporting mechanism 3 comprises a fixed seat 31, a second mounting bearing seat 32, a mounting frame 33, a driving motor 34, a bidirectional threaded rod 35, a nut seat 36 and a support rod 37. The fixed seat 31 is connected to the rotating disk 221. A mounting groove is provided on the fixed seat 31. The second mounting bearing seat 32 is connected to the fixed seat 31. The second mounting bearing seat 32 is respectively provided with one at both ends of the mounting groove. The bidirectional threaded rod 35 is connected between the two second mounting bearing seats 32. The mounting frame 33 is connected to the fixed seat 31. The driving motor 34 is connected to the mounting frame 33. The output shaft of the driving motor 34 is coaxially connected to the bidirectional threaded rod 35 through a coupling. The nut seat 36 is connected to the bidirectional threaded rod 35. The nut seat 36 is symmetrically provided on both sides of the center of the bidirectional threaded rod 35. The nut seat 36 is arranged in a cubic shape. The side wall of the nut seat 36 slides and fits the inner wall of the mounting groove. The support rod 37 is connected to the nut seat 36. The support rod 37 is arranged in a direction parallel to the operating table 1. The two support rods 37 are arranged parallel to each other.

[0023] During operation, first completely insert one end of the pipe into the support rod 37 on one side, then move the pipe to the support rod 37 on the other side until the pipe is set on the support rods 37 on both sides, and then use the driving motor 34 to drive the two-way threaded rod 35 to rotate, and the two nut seats 36 move in opposite directions with the cooperation of the two-way threaded rod 35 and the mounting groove, so that the support rod 37 props up and fixes the pipe, and then cooperate with the rotating motor 24 to drive the rotating disk 221 to rotate, so that the pipe rotates, which is beneficial to the subsequent painting operation.

[0024] A rubber extrusion pad 371 is sleeved on the support rod 37 , and the rubber extrusion pad 371 is arranged along the length direction of the support rod 37 . The provision of the rubber extrusion pad 371 is helpful to improve the firmness of the support rod 37 in supporting the pipeline.

[0025] A CNC slip ring 222 is connected to the rotating shaft 22, and the CNC slip ring 222 is located between the fixed plate 2 and the rotating disk 221. The wires of the driving motor 34 are connected to the CNC slip ring 222 and are connected to an external power supply through the CNC slip ring 222. By setting the CNC slip ring 222, the wires of the driving motor 34 can be prevented from being entangled.

[0026] The transverse movement assembly 6 includes a servo slide rail 61 and a lifting cylinder 62. The servo slide rail 61 is connected to the fixed frame 4. The servo slide rail 61 is arranged along the length direction of the fixed frame 4. The lifting cylinder 62 is connected to the movable seat of the servo slide rail 61. The piston rod of the lifting cylinder 62 is arranged in a direction perpendicular to the operating table 1. The nozzle 5 is connected to the piston rod of the lifting cylinder 62. When spraying paint, the servo slide rail 61 is used to drive the lifting cylinder 62 and the nozzle 5 to move transversely, so that the nozzle 5 moves at a uniform speed from one end of the pipe to the other end, which is beneficial to improving the painting effect.

[0027] The drying assembly 7 includes a pushing hydraulic cylinder 71, a heating plate 72 and a heating wire 73. The pushing hydraulic cylinder 71 is connected to the fixed frame 4. The piston rod of the pushing hydraulic cylinder 71 is arranged in a direction perpendicular to the side wall of the fixed frame 4 where it is located. The heating plate 72 is connected to the end of the piston rod of the pushing hydraulic cylinder 71 that passes through the fixed frame 4. The heating plate 72 is arranged as an arc plate. The heating wire 73 is installed on the heating plate 72. The heating wire 73 is arranged along the length direction of the heating plate 72. Several heating wires 73 are evenly arranged along the width of the heating plate 72. When the painting is finished, the pipeline continues to rotate, and the pushing hydraulic cylinder 71 is used to push the heating plate 72 close to the pipeline, and the heating wire 73 is turned on, and the outer wall of the pipeline is dried by the heating wire 73.

[0028] Finally, it should be noted that the above is only the preferred implementation of the utility model, and the protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims

1. A pipe outer wall spraying device, characterized in that: The invention comprises an operating table (1), wherein the operating table (1) is connected to a fixing plate (2), wherein the fixing plate (2) is provided at both sides of the operating table (1), wherein the fixing plate (2) is connected to a first mounting bearing seat (21), wherein a rotating shaft (22) is passed through the first mounting bearing seat (21), wherein one of the fixing plates (2) is connected to a connecting frame (23), wherein the connecting frame (23) is connected to a rotating motor (24), wherein the output shaft of the rotating motor (24) is coaxially connected to the rotating shaft (22) via a coupling, and wherein the rotating shaft (22) is connected to a connecting frame (23). A rotating disk (221) is provided, and the rotating disk (221) is respectively provided with a support mechanism (3) for supporting the inner wall of the pipeline. The operating table (1) is connected to a fixed frame (4), and the fixed frame (4) is provided with a nozzle (5) for spraying atomized paint liquid. The nozzle (5) is externally connected to a paint sprayer through a hose. The fixed frame (4) is provided with a lateral movement component (6) for driving the nozzle (5) to lateral movement. The fixed frame (4) is also provided with a drying component (7) for drying the paint liquid.

2. A pipe outer wall spraying device according to claim 1, characterized in that: The support mechanism (3) comprises a fixed seat (31), a second mounting bearing seat (32), a mounting frame (33), a driving motor (34), a bidirectional threaded rod (35), a nut seat (36) and a support rod (37); the fixed seat (31) is connected to the rotating disk (221); a mounting groove is provided on the fixed seat (31); the second mounting bearing seat (32) is connected to the fixed seat (31); the second mounting bearing seat (32) is provided with one at each end of the mounting groove; the bidirectional threaded rod (35) is connected between the two second mounting bearing seats (32); the mounting frame (33) is connected to the fixed seat (31); The drive motor (34) is connected to the mounting frame (33), the output shaft of the drive motor (34) is coaxially connected to the bidirectional threaded rod (35) through a coupling, the nut seat (36) is connected to the bidirectional threaded rod (35), the nut seat (36) is symmetrically provided on both sides of the center of the bidirectional threaded rod (35), the nut seat (36) is arranged in a cubic shape, the side wall of the nut seat (36) is slidably fitted to the inner wall of the mounting groove, the support rod (37) is connected to the nut seat (36), the support rod (37) is arranged in a direction parallel to the operating table (1), and the two support rods (37) are arranged parallel to each other.

3. A pipe outer wall spraying device according to claim 2, characterized in that: The support rod (37) is sleeved with a rubber extrusion pad (371), and the rubber extrusion pad (371) is arranged along the length direction of the support rod (37).

4. A pipe outer wall spraying device according to claim 1, characterized in that: The rotating shaft (22) is connected to a numerical control slip ring (222), and the numerical control slip ring (222) is located between the fixed plate (2) and the rotating disk (221).

5. A pipe outer wall spraying device according to claim 1, characterized in that: The transverse movement assembly (6) includes a servo slide rail (61) and a lifting cylinder (62), wherein the servo slide rail (61) is connected to a fixed frame (4), and the servo slide rail (61) is arranged along the length direction of the fixed frame (4), and the lifting cylinder (62) is connected to a movable seat of the servo slide rail (61), and the piston rod of the lifting cylinder (62) is arranged in a direction perpendicular to the operating table (1), and the nozzle (5) is connected to the piston rod of the lifting cylinder (62).

6. A pipe outer wall spraying device according to claim 1, characterized in that: The drying component (7) comprises a pushing hydraulic cylinder (71), a heating plate (72) and an electric heating wire (73); the pushing hydraulic cylinder (71) is connected to a fixed frame (4); the piston rod of the pushing hydraulic cylinder (71) is arranged in a direction perpendicular to the side wall of the fixed frame (4) on which it is located; the heating plate (72) is connected to the end of the piston rod of the pushing hydraulic cylinder (71) passing through the fixed frame (4); the heating plate (72) is arranged in an arc-shaped plate; the electric heating wire (73) is installed on the heating plate (72); the electric heating wire (73) is arranged along the length direction of the heating plate (72); and a plurality of the electric heating wires (73) are evenly arranged along the width of the heating plate (72).

Images