CN110773821A - Portable device and method for machining external thread of gas cylinder of long-tube trailer - Google Patents

Portable device and method for machining external thread of gas cylinder of long-tube trailer Download PDF

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Publication number
CN110773821A
CN110773821A CN201910927480.9A CN201910927480A CN110773821A CN 110773821 A CN110773821 A CN 110773821A CN 201910927480 A CN201910927480 A CN 201910927480A CN 110773821 A CN110773821 A CN 110773821A
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CN
China
Prior art keywords
gas cylinder
mandrel
thread
guide rail
blade
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910927480.9A
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Chinese (zh)
Other versions
CN110773821B (en
Inventor
崔闻天
张相相
韩晓栋
李振合
潘刘良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Emerging Energy Equipment Co Ltd
Xinxing Energy Equipment Co Ltd
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Emerging Energy Equipment Co Ltd
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Priority to CN201910927480.9A priority Critical patent/CN110773821B/en
Publication of CN110773821A publication Critical patent/CN110773821A/en
Application granted granted Critical
Publication of CN110773821B publication Critical patent/CN110773821B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/26Manually-operated thread-cutting devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/26Manually-operated thread-cutting devices
    • B23G1/28Manually-operated thread-cutting devices with means for adjusting the threading tool
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/44Equipment or accessories specially designed for machines or devices for thread cutting
    • B23G1/46Equipment or accessories specially designed for machines or devices for thread cutting for holding the threading tools
    • B23G1/465Equipment or accessories specially designed for machines or devices for thread cutting for holding the threading tools comprising arrangements for reversing the rotation of the tool
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/44Equipment or accessories specially designed for machines or devices for thread cutting
    • B23G1/48Equipment or accessories specially designed for machines or devices for thread cutting for guiding the threading tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G11/00Feeding or discharging mechanisms combined with, or arranged in, or specially adapted for use in connection with, thread-cutting machines

Abstract

The invention provides a portable long-tube trailer gas cylinder external thread machining method and device. The device comprises a mandrel guide rail 1, a rotary tool rest 2, a blade 3, a blade angle adjusting device 4, a radial feeding device 5, a motor 6, a nut 7, a pitch lead screw 8, a fixed mandrel device 9, a sliding conductive device 10, a handle 11 and a cable 12. The device is convenient to transport, quick to install, and capable of realizing external thread repair of the gas cylinder on a user site, and equipment is prevented from being returned to a factory for maintenance; the structure is small and exquisite, the operation is simple and convenient, the external thread repairing of the bottle mouth can be finished on the trailer, and the requirement on the professional performance of personnel is low; the thread repairing can be aligned with the original pitch of the gas cylinder for processing and repairing, the processing and cutting amount is small, and the strength of the gas cylinder opening is ensured to the maximum extent; the external threads of all the conventional trailer gas cylinders can be repaired by replacing the mandrel guide rail, the blade, the nut and the screw pitch screw rod accessories; the use requirement can be met by adopting a common place with a 220V alternating current power supply and small power, and the method is suitable for field processing of threads of all bottle-type containers.

Description

Portable device and method for machining external thread of gas cylinder of long-tube trailer
Technical Field
The invention belongs to the field of processing and repairing of external threads of a gas cylinder of a long-tube trailer.
Background
Along with the clean energy of natural gas increases, the long tube trailer quantity of transportation natural gas increases gradually every year, and vehicle in use gas cylinder external screw thread makes the gas cylinder external screw thread receive the not equidimension damage owing to receive rainwater corrosion, road jolt, gas cylinder fill dress expend with heat and contract with cold stress, vehicle travel in the cause such as wrench movement, causes the gas cylinder to rotate, gas cylinder pipe connection position not hard up traffic safety hidden danger such as gas leakage. Because the gas cylinder diameter is between 559mm to 720mm, and length is about 11 meters, and weight 3 to 5 tons, repair the gas cylinder screw thread and need go on special lathe, appear this kind of condition and can only return the trailer to the producer or send to and carry out repairing process to the gas cylinder external screw thread near long-tube trailer inspection station, the higher maintenance time of the freight of making a round trip is longer. For the reason, the portable long-tube trailer gas cylinder external thread machining device can be used for machining gas cylinders needing external thread repair on site, is simple in machine installation, fast in machining and accurate in size, and can meet the requirement of gas cylinder thread repair work on site with different specifications and sizes.
Disclosure of Invention
The invention aims to solve the problem that after the thread of the gas cylinder of the long-tube trailer is damaged, the gas cylinder needs to be returned to a factory and arrives at a detection station to be maintained by using a special machine tool.
Portable long tube trailer gas cylinder external screw thread processingequipment, its characterized in that: the device comprises a mandrel guide rail 1, a rotary tool rest 2, a blade 3, a blade angle adjusting device 4, a radial feeding device 5, a motor 6, a nut 7, a pitch lead screw 8, a fixed mandrel device 9, a sliding conductive device 10, a handle 11 and a cable 12.
The fixed mandrel device 9 comprises a chuck 9-1, a mandrel rod 9-2 and a fastening nut 9-3, wherein one end of the chuck 9-1 is provided with a long round hole and is connected with the mandrel rod 9-2 in a sliding and rotating mode, so that the chuck 9-1 slides and rotates relative to the mandrel rod 9-2 under the action of gravity, the length of the chuck 9-1 is larger than the diameter of a bottle mouth, the width of the chuck 9-1 is smaller than the diameter of a flat mouth, and the fastening nut 9-3 is arranged on the mandrel rod 9-2.
The mandrel guide rail 1 is of a hollow structure, the diameter of the middle through hole is smaller than that of the fastening nut 9-3, the diameter of the mandrel guide rail 1 is smaller than that of the bottle opening, a flange is arranged outside the mandrel guide rail, the outer diameter of the flange is larger than that of the bottle opening to be machined, the mandrel guide rail is matched with the fixed mandrel device 9 to form a fastening device,
the mandrel guide rail 1 is provided with a screw pitch lead screw 8, the lead screw 8, a nut 7 and a handle 11 form an axial feeding device, the helical axial feeding of the thread machining device along with a machining path can be realized through the rotation of the handle 11, the feeding amount is the same as that of the threads of the gas cylinder, and different lead screws 8 and nuts 7 can be replaced by different threads for adjustment.
The rotary tool rest 2 and the blade 3; a blade angle adjusting device 4; a radial feed device 5; the motor 6 forms a thread processing device;
the radial feeding device 5 can adjust the radial feeding amount of the blade, so that the processing blade can be adjusted in the radial direction.
The blade angle adjusting device 4 can adjust the angle of the blade and ensure that the angle of the blade is the same as the required angle of the thread of the gas cylinder;
the motor 6 can enable the processing blade to rotate to process the gas cylinder.
The rotary tool rest 2 is used for connection and fixation, and the thread machining device and the axial feeding device enable the thread machining device to move axially along with the axial feeding device.
The blade edge of the blade 3 is consistent with the thread specification of the gas cylinder to be processed.
The sliding conductive device 10 and the cable 12 form a power supply device for supplying power to the motor, so that the device can continuously supply power during the rotary machining process.
The technical idea and the technical effect adopted by the invention are as follows:
1. the device is convenient to transport, can be quickly installed to repair the external thread of the gas cylinder on the user site, and is free from equipment to be returned to the factory for maintenance.
2. The device has small and exquisite structure and simple and convenient operation, can finish the repair of the external thread of the bottle mouth on the trailer, and has smaller requirement on the professional performance of personnel.
3. The thread repairing device can be used for processing and repairing the original pitch of the gas cylinder, the processing cutting amount is small, and the strength of the gas cylinder opening is ensured to the maximum extent.
4. The device can repair the external threads of all the conventional trailer gas cylinders by replacing the mandrel guide rail, the blade, the nut and the screw pitch screw rod accessories.
5. The device can meet the use requirement by adopting a common place with a 220V alternating current power supply and smaller power.
Drawings
Fig. 1 is a schematic diagram of a portable external thread repairing device for a gas cylinder of a pipe trailer.
FIG. 2 is a schematic view of a fixed mandrel device
Wherein: a mandrel guide rail-1, a rotary tool rest-2 and a processing blade-3; blade angle adjusting means-4; a radial feed-5; a motor-6; 7, a nut; a screw pitch lead screw-8; a fixed mandrel device-9; a sliding conductive device-10; a handle-11; cable-12
Detailed Description
To further illustrate the contents, features and methods of use of the present invention, the following examples are given by way of illustration and are described in detail in conjunction with the accompanying drawings:
firstly, selecting a corresponding blade 3, a nut 7 and a screw pitch lead screw 8 according to the size of the internal thread and the external thread of the gas cylinder to be repaired and a repairing scheme.
And secondly, installing the mandrel guide rail 1 on the bottle opening, installing the fixed mandrel device 9 into the gas cylinder through the center of the mandrel guide rail 1, rotating to open the clamping head 9-1 under the action of gravity and enable the mandrel rod 9-2 to be in the middle position, pulling back the fixed mandrel device 9, and rotating to enable the clamping head 9-1 to be clamped in the gas cylinder due to the fact that the clamping head 9-1 is constantly smaller than the diameter of the gas cylinder at the bottle opening diameter, and fastening the outside of the gas cylinder by using a fastening nut 9-3 to enable the device to be integrally fixed on the gas cylinder.
And thirdly, mounting the rotary tool rest 2 on the mandrel guide rail 1, and mounting a required screw pitch lead screw 8 and a required screw nut 7.
And fourthly, installing the blade 3, adjusting the angle adjusting device 4 and the radial feeding device 5 according to the repairing requirement, and opening the motor 6 to shake the handle 11 to process the external thread surface of the gas cylinder.
And fifthly, after the external thread surface dimension of the gas cylinder is processed to be qualified, replacing the blade 3, and adjusting the blade angle adjusting device 4 to process and repair the thread.
And sixthly, according to the feed amount and the measurement result, the whole thread repairing can adopt a small feed amount multiple repairing process until the repairing requirement is met.
And seventhly, loosening the fastening nut 9-3, rotating the mandrel rod 9-2 by 180 degrees, enabling the chuck 9-1 to slide downwards under the action of gravity and enabling the mandrel rod 9-2 to be in the end position, drawing out the fixed mandrel device 9 and taking down the mandrel guide rail 1 to finish maintenance.
The terminology used in the description presented herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (6)

1. A method for processing external threads of a gas cylinder of a long tube trailer is characterized by comprising the following steps:
firstly, selecting a corresponding blade, a nut and a screw pitch lead screw according to the size of the internal thread and the external thread of the gas cylinder to be repaired and a repairing scheme;
secondly, installing a mandrel guide rail on a bottle opening, installing a fixed mandrel device into the gas cylinder through the center of the mandrel guide rail, rotating to open a chuck under the action of gravity and enable a mandrel rod to be in a middle position, pulling back the fixed mandrel device, and fastening the outside by using a fastening nut to enable the device to be integrally fixed on the gas cylinder, wherein the chuck is rotated to be clamped in the gas cylinder because the chuck is constantly smaller than the diameter of the gas cylinder of the diameter of the bottle opening;
thirdly, mounting a rotary tool rest on a mandrel guide rail, and mounting a required screw pitch lead screw and a nut;
fourthly, installing a blade, adjusting the angle adjusting device and the radial feeding device according to the repairing requirement, and opening a motor to shake a handle to process the surface of the external thread of the gas cylinder;
fifthly, after the external thread surface dimension of the gas cylinder is processed to be qualified, replacing the blade, and adjusting the blade angle adjusting device to process and repair the thread;
sixthly, according to the feed amount and the measurement result, the whole thread repair can adopt a small feed amount multiple repair process until the repair requirement is met;
and seventhly, loosening the fastening nut, rotating the mandrel rod by 180 degrees, enabling the chuck to slide downwards under the action of gravity and enabling the mandrel rod to be in the end position, drawing out the fixed mandrel device and taking down the mandrel guide rail to finish maintenance.
2. The apparatus for use in the processing method according to claim 1, wherein: the device comprises a fastening device, an axial feeding device, a thread machining device and a power supply device, wherein the fastening device comprises a mandrel guide rail and a fixed mandrel device.
3. The apparatus of claim 2, wherein: the fixed mandrel device comprises a chuck, a mandrel rod and a fastening nut, wherein one end of the chuck is provided with a long circular hole and is connected with the mandrel rod in a sliding and rotating mode, the chuck slides and rotates relative to the mandrel rod according to the action of gravity, the length of the chuck is larger than the diameter of a bottleneck, the width of the chuck is smaller than the diameter of a plain end, the mandrel guide rail is of a hollow structure, the diameter of a middle through hole is smaller than the diameter of the fastening nut, the diameter of the mandrel guide rail 1 is smaller than the diameter of the bottleneck of a machined part, a flange is arranged outside the mandrel.
4. The apparatus of claim 2, wherein: the axial feeding device comprises a lead screw, a nut and a handle, the lead screw is in threaded connection with the nut, spiral axial feeding of the thread machining device along a machining path can be achieved through rotation of the handle, and the feeding amount is the same as that of threads of the gas cylinder.
5. The apparatus of claim 2, wherein: the thread machining device comprises a rotary tool rest and a blade; a blade angle adjusting device; a radial feed device; the rotary tool rest is used for connection and fixation, and the thread machining device and the axial feeding device enable the thread machining device to move axially along with the axial feeding device.
6. The apparatus of claim 2, wherein: the power supply device comprises a sliding conductive device and a cable.
CN201910927480.9A 2019-09-27 2019-09-27 Portable device and method for machining external thread of gas cylinder of long-tube trailer Active CN110773821B (en)

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Application Number Priority Date Filing Date Title
CN201910927480.9A CN110773821B (en) 2019-09-27 2019-09-27 Portable device and method for machining external thread of gas cylinder of long-tube trailer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910927480.9A CN110773821B (en) 2019-09-27 2019-09-27 Portable device and method for machining external thread of gas cylinder of long-tube trailer

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CN110773821A true CN110773821A (en) 2020-02-11
CN110773821B CN110773821B (en) 2021-04-20

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2076892U (en) * 1990-06-07 1991-05-15 张余明 Hand tube threading machine
CN2159277Y (en) * 1993-07-14 1994-03-23 周光力 Portable electric threader
US20130160630A1 (en) * 2011-12-23 2013-06-27 Robert Bosch Gmbh Power Tool Assembly With Integrated Tool Support Fixture
CN204248145U (en) * 2014-12-01 2015-04-08 浙江海洋学院 A kind of blanking device of valve body screw thread processing machine
US20150165534A1 (en) * 2013-12-13 2015-06-18 Ridge Tool Company Thread forming using an impact driver
CN208680701U (en) * 2018-07-27 2019-04-02 四川汇友建设工程有限公司 A kind of steel tube head male thread processing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2076892U (en) * 1990-06-07 1991-05-15 张余明 Hand tube threading machine
CN2159277Y (en) * 1993-07-14 1994-03-23 周光力 Portable electric threader
US20130160630A1 (en) * 2011-12-23 2013-06-27 Robert Bosch Gmbh Power Tool Assembly With Integrated Tool Support Fixture
US20150165534A1 (en) * 2013-12-13 2015-06-18 Ridge Tool Company Thread forming using an impact driver
CN204248145U (en) * 2014-12-01 2015-04-08 浙江海洋学院 A kind of blanking device of valve body screw thread processing machine
CN208680701U (en) * 2018-07-27 2019-04-02 四川汇友建设工程有限公司 A kind of steel tube head male thread processing device

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