CN111420942A - Steel pipe external thread cleaning device and using method - Google Patents

Steel pipe external thread cleaning device and using method Download PDF

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Publication number
CN111420942A
CN111420942A CN202010167167.2A CN202010167167A CN111420942A CN 111420942 A CN111420942 A CN 111420942A CN 202010167167 A CN202010167167 A CN 202010167167A CN 111420942 A CN111420942 A CN 111420942A
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CN
China
Prior art keywords
steel pipe
blowing
air
cabinet body
way valve
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Granted
Application number
CN202010167167.2A
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Chinese (zh)
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CN111420942B (en
Inventor
吴江
尹力
赵之谦
李淋
裴景玉
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Priority to CN202010167167.2A priority Critical patent/CN111420942B/en
Publication of CN111420942A publication Critical patent/CN111420942A/en
Application granted granted Critical
Publication of CN111420942B publication Critical patent/CN111420942B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/023Cleaning the external surface

Abstract

The invention provides a steel pipe external thread cleaning device which comprises an air source control system, an air blowing cleaning system, a carrier roller system and a bracket system, wherein the air source control system is connected with the air blowing cleaning system; the air source control system and the air blowing cleaning system are arranged on the bracket system, the air source control system is connected with one side of the air blowing cleaning system, the other side of the air blowing cleaning system is provided with a carrier roller system for supporting and rotating the steel pipe, and the air blowing cleaning system moves back and forth on the bracket system to realize the swallowing and spitting of the steel pipe; the blowing cleaning system comprises a blowing cabinet body, two groups of blowing units arranged side by side and a bottom plate connecting piece, wherein the blowing units are fixed with the bottom plate of the blowing cabinet body through the bottom plate connecting piece; and a steel pipe accommodating space is arranged in the blowing unit. According to the cleaning device for the external threads of the steel pipe, the external threads are cleaned in a non-contact manner, so that chips, cutting fluid and other impurities remained on the threads after the tapping process outside the steel pipe can be removed; can not damage the formed and processed surface on the premise of effective cleaning.

Description

Steel pipe external thread cleaning device and using method
Technical Field
The invention relates to the technical field of machining, in particular to a cleaning device for external threads of a steel pipe and a using method of the cleaning device.
Background
In the process of machining the external thread of the steel pipe, in order to facilitate the falling of chips and the emission of cutting heat, cutting fluid is often added in the machining process. After the tapping process is finished, the outer side of the thread often carries part of cutting fluid, which can seriously affect subsequent processing or detection; particularly, when the shape of the external thread is detected to be qualified or not by image recognition in the subsequent process, the detection result is seriously influenced by the existence of the cutting fluid.
Through the search of the prior art, the utility model with the publication number of CN 208321525U discloses a quick cleaning tool for external threads of pipes, which comprises a body, a rotary stressing rod, a press block mounting hole, a tension type tooth cleaning block, cleaning teeth, a spring mounting hole, a press handle, a fixed pin hole and a movable pin hole; the quick cleaning tool body for the external threads of the pipe is designed into an inner U-shaped groove disc type structure, the left and right of the body are symmetrically provided with rod type rotating stress application rods, the axis position is provided with a through hole with the diameter of 100mm, the upper and lower of the body are symmetrically provided with a group of rectangular press block mounting holes, the tension type cleaning tooth blocks are arranged in the press block mounting holes, and the pin shaft penetrates through a fixed pin hole formed in the body and a movable pin hole formed in the tension type cleaning tooth blocks to fix the same. When the cleaning device cleans foreign matters, the foreign matters contact with the threads, and the surfaces of the processed threads are damaged.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a cleaning device for external threads of a steel pipe.
The invention provides a steel pipe external thread cleaning device which comprises an air source control system, an air blowing cleaning system, a carrier roller system and a bracket system, wherein the air blowing cleaning system is arranged on the carrier roller system;
the air source control system and the air blowing cleaning system are arranged on the bracket system, the air source control system is connected with one side of the air blowing cleaning system, a carrier roller system for supporting and rotating the steel pipe is arranged on the other side of the air blowing cleaning system, and the air blowing cleaning system moves back and forth on the bracket system to realize the swallowing in and spitting out of the steel pipe;
the blowing cleaning system comprises a blowing cabinet body, two groups of blowing units arranged side by side and a bottom plate connecting piece, wherein the blowing units are fixed with the bottom plate of the blowing cabinet body through the bottom plate connecting piece;
the blowing unit comprises two nozzle assemblies which are oppositely arranged up and down, two nozzle assemblies which are oppositely arranged left and right and a nozzle fixing piece, and the nozzle assemblies are connected through the nozzle fixing piece, so that the accommodating space of the steel pipe is formed.
Preferably, the support system comprises an aluminum profile frame, a cylinder, a linear guide rail and an adjusting foot cup at the bottom of the aluminum profile frame; the air cylinder and the linear guide rail are arranged on the aluminum profile frame, the bottom of the air blowing cabinet body is fixed with the guide rail sliding block on the linear guide rail, and the air cylinder sliding block on the air cylinder is connected with the bottom of the air blowing cabinet body to control the air blowing cleaning system to reciprocate along the linear guide rail.
Preferably, the cylinder is a mechanical rodless cylinder.
Preferably, a first position sensor and a second position sensor are arranged in the cylinder and used for detecting whether the air blowing cleaning system driven by the cylinder reaches two limit positions of the air blowing station.
Preferably, the bottom plate of the blowing cabinet body is provided with two drain outlets, and the drain outlets are arranged on one side close to the steel pipe inlet and not right above the air cylinder or the linear guide rail.
Preferably, the cylinder and the upper side of the linear guide rail are provided with organ covers to prevent dust from falling to pollute the cylinder and the linear guide rail.
Preferably, the bracket system is provided with the air source control system, the air source control system comprises a control cabinet, an air source processing device, a two-way valve and a five-way valve, the air source processing device is connected with the nozzle assembly through the two-way valve, the air cylinder is connected through the five-way valve, and the two-way valve controls the on-off of air blowing in the nozzle assembly; the five-way valve controls the blowing cabinet body to reciprocate on the linear guide rail.
Preferably, the air source processing device is connected with the blowing cabinet body through a tank chain, and a blowing air pipe is wrapped in the tank chain.
Preferably, the carrier roller system comprises a support, a transmission carrier roller, a lower pressing roller and a motor, the steel pipe is located on the transmission carrier roller, the lower pressing roller is located above the steel pipe, and the motor drives the lower pressing roller to drive the steel pipe to rotate.
The invention also provides a using method of the steel pipe external thread cleaning device, which comprises the following steps:
s1, adjusting the height of a steel pipe inlet hole of the blowing cabinet and the height of a steel pipe to be equal through an adjusting foot cup at the bottom of the aluminum profile frame, and reasonably arranging a first position sensor and a second position sensor on the cylinder; so that the air cylinder drives the blowing cabinet body to move to the following two positions to just trigger the first position sensor or the second position sensor: the position of the steel pipe which is about to extend into the blowing cabinet body and the position of the threaded part of the steel pipe which can be completely covered by the blowing range of the nozzle assembly;
s2, keeping the carrier roller system to rotate the steel pipe, when the steel pipe is about to extend into the air blowing cabinet body, sensing a signal by the first position sensor, after receiving the signal, controlling the two-way valve to ventilate by the P L C control module, continuously blowing air by the nozzle assemblies oppositely arranged up and down, and intermittently blowing air by the nozzle assemblies oppositely arranged left and right;
s3, after the cylinder moves for a certain distance, when the steel pipe thread part can be completely covered by the blowing range of the nozzle assembly, the second position sensor is triggered, and after the signal is received, the P L C control module controls the five-way valve to change direction, so that the cylinder is pushed to move towards the direction of spitting out the steel pipe;
and S4, after the cylinder moves for a certain distance in the opposite direction, triggering the first position sensor, and after the signal is received, controlling the two-way valve and the five-way valve to be closed by the P L C control module to stop the air blowing of the nozzle assembly and the movement of the cylinder.
Compared with the prior art, the invention has the following beneficial effects:
1. in the cleaning device for the external threads of the steel pipe, the impurities such as cutting scraps, cutting fluid and the like remained on the threads after the tapping process outside the steel pipe can be removed;
2. according to the steel pipe external thread cleaning device, the external threads are cleaned in a non-contact manner, so that the formed and machined surface is not damaged on the premise of effective cleaning.
3. In the steel pipe external thread cleaning device, two groups of eight nozzle assemblies are uniformly distributed in a vertical plane in the blowing cabinet body, so that the external threads are comprehensively cleaned.
4. In the steel pipe external thread cleaning device, the sewage discharge port is arranged on one side close to the steel pipe inlet and is not arranged right above the cylinder or the linear guide rail, so that the flushed cutting fluid is discharged conveniently, and the cylinder and the guide rail cannot be polluted.
5. In the steel pipe external thread cleaning device, the organ covers are arranged on the upper sides of the air cylinder and the linear guide rail, so that dust is prevented from falling to pollute the air cylinder and the linear guide rail.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is an enlarged view of a portion of the present invention;
FIG. 4 is a schematic structural view of the gas cabinet of the present invention;
FIG. 5 is a schematic diagram of the air supply control system of the present invention;
FIG. 6 is a schematic structural diagram of the aluminum frame of the present invention;
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1 to 6, the present invention provides a cleaning device for external threads of steel pipes, which can remove impurities such as chips and cutting fluid remaining on the threads after a tapping process outside the steel pipes. The specific embodiment is as follows:
a steel pipe external thread cleaning device comprises an air source control system 1, an air blowing cleaning system 2, a carrier roller system 3 and a support system 4; the air source control system 1 and the air blowing cleaning system 2 are arranged on the bracket system 4, the air source control system 1 is connected with one side of the air blowing cleaning system 2, the other side of the air blowing cleaning system 2 is provided with a carrier roller system 3 for supporting and rotating the steel pipe 5, and the air blowing cleaning system 2 moves back and forth on the bracket system 4 to realize the swallowing and spitting of the steel pipe 5;
the blowing cleaning system 2 comprises a blowing cabinet body 21, two groups of blowing units 22 arranged side by side and a bottom plate connecting piece 23, wherein the blowing units 22 are fixed with the bottom plate of the blowing cabinet body 21 through the bottom plate connecting piece 23; two groups of blowing units 22 arranged side by side can be connected through a fixed block 24; the air blowing unit 22 includes two nozzle assemblies 221 disposed opposite to each other up and down, two nozzle assemblies 221 disposed opposite to each other right and left, and a nozzle fixing member 222, and the nozzle assemblies 221 are connected by the nozzle fixing member 222 to form a receiving space of the steel pipe 5. After the external thread of steel pipe gets into this accommodation space, can realize omnidirectional cleanness.
In some embodiments, the rack system 4 includes an aluminum frame 41, a cylinder 42, a linear guide 43, and an adjusting foot cup 44 at the bottom of the aluminum frame 41; the air cylinder 42 and the linear guide rail 43 are arranged on the aluminum profile frame 41, the bottom of the air blowing cabinet body 21 is fixed with the guide rail slide block 431 on the linear guide rail 43, and the air cylinder slide block 423 on the air cylinder 42 is connected with the bottom of the air blowing cabinet body 21 to control the air blowing cleaning system 2 to reciprocate along the linear guide rail 43. In order to adjust the height of the blowing cabinet body 21 to be consistent with the height of the steel pipe supported by the carrier roller system 3, the adjusting foot cup 44 at the bottom of the bracket system 4 needs to be adjusted. In the preferred embodiment, the cylinder 42 is a mechanical rodless cylinder, which saves space.
In some embodiments, in order to enable the stroke of the air cylinder to cover the length occupied by the threads on the steel pipe, a first position sensor 421 and a second position sensor 422 are reasonably arranged in the air cylinder 42 and used for detecting whether the blowing cleaning system 2 driven by the air cylinder 42 reaches two extreme positions of the blowing station, namely, the air cylinder drives the blowing cabinet body 21 to move to two positions to just trigger the position sensors, namely, the steel pipe is about to extend into the blowing cabinet (marked as the first position sensor 421), and the thread position of the steel pipe can be completely covered by the blowing range of the nozzle (marked as the second position sensor 422), and the accurate feeding and stopping of the blowing cabinet body are realized through the control of the two position sensors and the control module P L C.
In some embodiments, the bottom plate of the blow cabinet 21 is provided with two drain outlets 211, and the drain outlets 211 are arranged on the side close to the inlet of the steel pipe 5 and directly above the non-cylinder 42 or the linear guide rail 43, so as to facilitate the discharge of the flushed cutting fluid. Preferably, an organ cover 45 is provided on the upper side of the cylinder 42 and the linear guide 43 to prevent dust from falling to contaminate the cylinder 42 and the linear guide 43.
In some embodiments, the air source control system 1 includes a control cabinet 11, an air source processing device 12, a two-way valve 14 and a five-way valve 13, the air source processing device 12 is connected to the nozzle assembly 221 through the two-way valve 14, and is connected to the air cylinder 42 through the five-way valve 13, and the two-way valve 14 controls the on-off of the blowing air in the nozzle assembly 221; the five-way valve 13 controls the blowing cabinet 21 to reciprocate on the linear guide rail 43. In the preferred embodiment, the air source processing device 12 is connected with the nozzle assembly 221 in the air blowing cabinet 21 through an air blowing pipe, and is used for controlling whether the nozzle assembly 221 blows air or not and the air blowing time, and the air blowing pipe between the air source control system 1 and the air blowing cabinet 21 is wrapped by the tank chain 6, so that the air pipe is effectively prevented from being aged too fast under the influence of the external environment.
In some embodiments, the idler system 3 includes a bracket 31, a transmission idler 32, a lower pressing roller 33, and a motor 34, the steel tube 5 is located on the transmission idler 32, the lower pressing roller 33 is located above the steel tube 5, and the motor 34 drives the lower pressing roller 33 to rotate the steel tube 5. The steel pipe is rotated to wash the external thread more thoroughly, and the steel pipe is ensured to be positioned at the central position of the accommodating space, so that the cleaning degree of the steel pipe in each direction is kept consistent.
The invention provides a steel pipe external thread cleaning device, belongs to an automation device, and can meet the external thread cleaning requirement from the processing of steel pipe external threads to the detection of external thread shapes.
The use method of the steel pipe external thread cleaning device comprises the following steps:
s1, adjusting the height of a steel pipe inlet hole of the blowing cabinet and the height of the steel pipe through an adjusting foot cup 44 at the bottom of the aluminum profile frame 41, and reasonably arranging a first position sensor 421 and a second position sensor 422 on the air cylinder 42; so that the air cylinder 42 drives the blowing cabinet 21 to move to the following two positions to trigger the first position sensor 421 or the second position sensor 422: the position of the steel pipe which is about to extend into the blowing cabinet body 21 and the position of the threaded part of the steel pipe which can be completely covered by the blowing range of the nozzle assembly 221;
s2, keeping the carrier roller system 3 to rotate the steel pipe 5, when the steel pipe 5 is about to extend into the air blowing cabinet body 21, sensing a signal by the first position sensor 421, receiving the signal, controlling the two-way valve 14 to ventilate by the P L C control module, continuously blowing air by the nozzle assemblies 221 arranged oppositely up and down, and intermittently blowing air by the nozzle assemblies 221 arranged oppositely left and right, and simultaneously controlling the five-way valve 13 by the P L C control module to control the air cylinder 42 to push the air blowing cabinet body 21 above the air cylinder to move towards the direction of swallowing the steel pipe 5;
s3, after the air cylinder 42 moves for a certain distance, when the steel pipe thread part can be completely covered by the blowing range of the nozzle assembly 221, the second position sensor 422 is triggered, and after the signal is received, the P L C control module controls the five-way valve 13 to change direction, so that the air cylinder 42 is pushed to move towards the direction of spitting the steel pipe 5;
s4, after the air cylinder 42 moves for a certain distance in the opposite direction, the first position sensor 421 is triggered, and after the signal is received, the P L C control module controls the two-way valve 14 and the five-way valve 13 to be closed, and air blowing of the nozzle assembly 221 and movement of the air cylinder 42 are stopped.
It should be noted that the two-way valve 14 and the five-way valve 13 are not limited to be controlled only by the P L C control module, and other manners capable of turning on and off the two-way valve and the five-way valve are applicable to the present invention.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (10)

1. A steel pipe external thread cleaning device is characterized by comprising an air source control system (1), an air blowing cleaning system (2), a carrier roller system (3) and a support system (4);
the air source control system (1) and the air blowing cleaning system (2) are installed on the support system (4), the air source control system (1) is connected with one side of the air blowing cleaning system (2), a carrier roller system (3) used for supporting and rotating a steel pipe (5) is arranged on the other side of the air blowing cleaning system (2), and the air blowing cleaning system (2) moves back and forth on the support system (4) to realize swallowing and spitting of the steel pipe (5);
the blowing cleaning system (2) comprises a blowing cabinet body (21), two groups of blowing units (22) arranged side by side and a bottom plate connecting piece (23), wherein the blowing units (22) are fixed with the bottom plate of the blowing cabinet body (21) through the bottom plate connecting piece (23);
the blowing unit (22) comprises two nozzle assemblies (221) which are arranged oppositely up and down, two nozzle assemblies (221) which are arranged oppositely left and right and a nozzle fixing piece (222), wherein the nozzle assemblies (221) are connected through the nozzle fixing piece (222), so that an accommodating space of the steel pipe (5) is formed.
2. The steel pipe external thread cleaning device according to claim 1, characterized in that the bracket system (4) comprises an aluminum profile frame (41), a cylinder (42), a linear guide rail (43) and an adjusting foot cup (44) at the bottom of the aluminum profile frame (41); the air cylinder (42) and the linear guide rail (43) are arranged on the aluminum profile frame (41), the bottom of the air blowing cabinet body (21) is fixed with a guide rail sliding block (431) on the linear guide rail (43), and an air cylinder sliding block (423) on the air cylinder (42) is connected with the bottom of the air blowing cabinet body (21) to control the air blowing cleaning system (2) to move back and forth along the linear guide rail (43).
3. The steel pipe external thread cleaning device according to claim 2, wherein the air cylinder (42) is a mechanical rodless air cylinder.
4. The steel pipe external thread cleaning device according to claim 2, characterized in that a first position sensor (421) and a second position sensor (422) are arranged in the cylinder (42) and used for detecting whether the air blowing cleaning system (2) driven by the cylinder (42) reaches two limit positions of the air blowing station.
5. The steel pipe external thread cleaning device according to claim 2, wherein the bottom plate of the blowing cabinet body (21) is provided with two drain outlets (211), and the drain outlets (211) are arranged on one side close to the inlet of the steel pipe (5) and are not arranged right above the cylinder (42) or the linear guide rail (43).
6. The cleaning device for the external thread of the steel pipe as recited in claim 2 or 5, wherein an organ cover (45) is arranged on the upper sides of the air cylinder (42) and the linear guide rail (43) to prevent dust from falling to pollute the air cylinder (42) and the linear guide rail (43).
7. The steel pipe external thread cleaning device is characterized in that the bracket system (4) is provided with the air source control system (1), the air source control system (1) comprises a control cabinet (11), an air source processing device (12), a two-way valve (14) and a five-way valve (13), the air source processing device (12) is connected with a nozzle assembly (221) through the two-way valve (14), the air cylinder (42) is connected through the five-way valve (13), and the two-way valve (14) controls the on-off of air blowing in the nozzle assembly (221); the five-way valve (13) controls the blowing cabinet body (21) to reciprocate on the linear guide rail (43).
8. The steel pipe external thread cleaning device according to claim 7, characterized in that the air source processing device (12) is connected with the blowing cabinet body (21) through a tracheal tank chain (6), and a blowing trachea is wrapped in the tank chain (6).
9. The steel pipe external thread cleaning device according to claim 1, wherein the carrier roller system (3) comprises a bracket (31), a transmission carrier roller (32), a lower pressing roller (33) and a motor (34), the steel pipe (5) is positioned on the transmission carrier roller (32), the lower pressing roller (33) is positioned above the steel pipe (5), and the motor (34) drives the lower pressing roller (33) to drive the steel pipe (5) to rotate.
10. A method for using the cleaning device for the external thread of the steel pipe as claimed in any one of claims 1 to 9, which comprises the following steps:
s1, adjusting the height of a steel pipe inlet hole of the blowing cabinet and the height of the steel pipe through an adjusting foot cup (44) at the bottom of an aluminum profile frame (41), and reasonably arranging a first position sensor (421) and a second position sensor (422) on an air cylinder (42); so that the air cylinder (42) drives the air blowing cabinet body (21) to move to the following two positions to just trigger the first position sensor (421) or the second position sensor (422): the position of the steel pipe which is about to extend into the blowing cabinet body (21) and the position of the threaded part of the steel pipe which can be completely covered by the blowing range of the nozzle assembly (221);
s2, keeping the carrier roller system (3) to rotate the steel pipe (5), when the steel pipe (5) is about to extend into the air blowing cabinet body (21), sensing a signal by a first position sensor (421), receiving the signal, controlling a two-way valve (14) to ventilate by a P L C control module, continuously blowing air by nozzle assemblies (221) arranged oppositely up and down, and intermittently blowing air by the nozzle assemblies (221) arranged oppositely left and right, and simultaneously controlling a five-way valve (13) by a P L C control module to control an air cylinder (42) to push the air blowing cabinet body (21) above the air blowing valve body to move towards the direction of swallowing the steel pipe (5);
s3, after the air cylinder (42) moves for a certain distance, when the steel pipe thread part can be completely covered by the blowing range of the nozzle assembly (221), the second position sensor (422) is triggered, and after the signal is received, the P L C control module controls the five-way valve (13) to change the direction, so that the air cylinder (42) is pushed to move towards the direction of spitting the steel pipe (5);
s4, after the air cylinder (42) moves for a certain distance in the opposite direction, the first position sensor (421) is triggered, after the signal is received, the P L C control module controls the two-way valve (14) and the five-way valve (13) to be closed, and air blowing of the nozzle assembly (221) and movement of the air cylinder (42) are stopped.
CN202010167167.2A 2020-03-11 2020-03-11 Steel pipe external thread cleaning device and using method Active CN111420942B (en)

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