CN111604674A - Floating screwing device for steel pipe protection ring and steel pipe coupling and using method thereof - Google Patents
Floating screwing device for steel pipe protection ring and steel pipe coupling and using method thereof Download PDFInfo
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- CN111604674A CN111604674A CN201910134483.7A CN201910134483A CN111604674A CN 111604674 A CN111604674 A CN 111604674A CN 201910134483 A CN201910134483 A CN 201910134483A CN 111604674 A CN111604674 A CN 111604674A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
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Abstract
The invention relates to the field of machinery for simply assembling or disassembling parts or products, in particular to a floating screwing device for a steel pipe protection ring and a steel pipe coupling and a using method thereof. The utility model provides a steel pipe protection ring and steel pipe coupling ware of screwing in that floats, includes speed reducer (1), characterized by: the device is characterized by further comprising a jaw pull rod (6), a hydraulic chuck (11), a left-right compensation linear slide rail (14), a front-back compensation linear slide rail (18), a rotation compensation bearing (23), a front-back compensation cylinder (30), a left-right compensation cylinder (33), a rotary oil hydraulic cylinder (36), a warping compensation bearing (43), an upper-lower compensation cylinder (46), an upper-lower compensation spring (52), a rotation compensation cylinder (55), a warping compensation cylinder (59), a jaw sliding block (60), a jaw (61) and a spring sleeve assembly (62). The invention has high automation degree, safety, reliability and strong adaptability.
Description
Technical Field
The invention relates to the field of machinery for simply assembling or disassembling parts or products, in particular to a floating screwing device for a steel pipe protection ring and a steel pipe coupling and a using method thereof.
Background
Because the 55-degree tapered threads adopted by the petroleum pipe protection ring and the coupling are different from the common threads, the machine automatic screwing-in is difficult. The existing steel pipe factory adopts a manual-holding professional tool to screw and connect a petroleum pipe protection ring and a coupling, the protection ring and the coupling are taken to screw and connect a steel pipe, two workers are arranged on a production line, and one end of the protection ring finishes the screwing and connection of the inner protection ring and the coupling; one end of the outer protective ring is screwed. 40 ~ 80 steel pipes in an hour, the repeatability action, artifical intensity of labour is very big.
Disclosure of Invention
The invention discloses a floating screwing device for a steel pipe protection ring and a steel pipe coupling and a using method thereof, aiming at overcoming the defects of the prior art and providing assembling equipment with high automation degree, safety, reliability and strong adaptability.
The invention achieves the purpose by the following technical scheme:
the utility model provides a steel pipe protection ring and steel pipe coupling ware of screwing of floating, includes the speed reducer, characterized by: also comprises a jaw pull rod, a hydraulic chuck, a left and right compensation linear slide rail, a front and back compensation linear slide rail, a rotation compensation support bearing, a front and back compensation cylinder, a left and right compensation cylinder, a rotary oil hydraulic cylinder, a warping compensation bearing, an upper and lower compensation cylinder, an upper and lower compensation spring, a rotation compensation cylinder, a warping compensation cylinder, a jaw slide block, a jaw and a spring sleeve component,
an output shaft of a servo motor is connected with the inner end of a jaw pull rod through a speed reducer, the inner end of the jaw pull rod is also connected with a hydraulic chuck, the outer end of the jaw pull rod is connected with a cylinder body of a rotary oil hydraulic cylinder, at least three jaw sliding blocks are arranged on the outer end face of the jaw pull rod, the central axis of each jaw sliding block is superposed with one radius of the outer end face of the jaw pull rod, the jaw sliding blocks are uniformly arranged around the central point of the outer end face of the jaw pull rod, and the jaws are movably arranged on the jaw sliding blocks through;
the inner ring of the rotation compensation bearing is sleeved above the output shaft of the speed reducer and below the robot flange, and the rotation compensation cylinder is hooped on the outer ring of the rotation compensation bearing;
the plate C is provided with a front compensation linear slide rail plate B and a rear compensation linear slide rail plate B, the front compensation linear slide rail plate B and the rear compensation linear slide rail plate B are respectively provided with a left compensation linear slide rail and a right compensation linear slide rail, the central axes of the front compensation linear slide rail and the rear compensation linear slide rail and the central axis of the speed reducer are mutually parallel, the central axes of the left compensation linear slide rail and the right compensation linear slide rail and the central axis of the speed reducer are mutually vertical;
the cylinder body of the upper and lower compensation cylinders is arranged on a plate A on an output shaft of the speed reducer through upper and lower compensation springs, and the moving direction of piston rods of the upper and lower compensation cylinders is mutually vertical to the central axis of the output shaft of the speed reducer;
the inner ring of the warping compensation bearing is sleeved on the output shaft of the speed reducer, and the warping compensation cylinder is hooped on the outer ring of the warping compensation bearing.
The floating screwing device of the steel pipe protection ring and the steel pipe coupling is characterized in that: the outer end face of the jaw pull rod is provided with three jaw sliding blocks which are uniformly arranged around the central point of the outer end face of the jaw pull rod, namely, the connecting lines of the corresponding points of the jaw sliding blocks form a regular triangle; the upper and lower compensation springs are rectangular coil springs.
The use method of the steel pipe protection ring and steel pipe coupling floating screwing device is characterized in that: the method is implemented in sequence according to the following steps: the servo motor drives the jack catch pull rod to rotate after being decelerated by the speed reducer so as to screw the protection ring and the coupling; grabbing and placing a protection ring and a coupling under the stretching of a rotary hydraulic cylinder oil cylinder; the jack catch moves along the jack catch slide block to adapt to different specifications of protection rings and couplings, and the jack catch is fixed through the spring sleeve component after being positioned on the jack catch slide block; the rotation compensation cylinder rotates around the rotation compensation bearing to perform floating compensation in the rotation direction; the front compensation cylinder and the rear compensation cylinder move along the front compensation slide rail and the rear compensation slide rail to perform floating compensation in the front and rear directions; the left and right compensation cylinders move along the left and right compensation linear slide rails to perform left and right floating compensation; the upper compensation cylinder and the lower compensation cylinder tightly press or loosen the upper compensation spring and the lower compensation spring to realize up-down floating compensation; the warping compensation cylinder rotates around the warping compensation bearing to perform floating compensation in the warping direction.
The method can be used for automatic screwing of the petroleum pipe protection ring and pre-screwing of the steel pipe coupling, can well ensure the screwing reliability of the protection ring and the coupling, and is suitable for various internal and external specifications of protection rings and couplings.
In order to simulate the mode of manually screwing the protection ring and the coupling, the invention designs the floating in five freedom degrees to ensure the screwing quality, which comprises the following steps:
1. the floating screw connector is used for compensating the eccentricity of the left and right positions of the protective ring, the coupling and the steel pipe in the screw connection process by realizing the floating of the rotating angle through the cylinder and the rotating shaft;
2. in order to ensure the height angle deviation caused by the warping of the steel pipe in the screwing process, the angle deviation compensation is realized by adopting an air cylinder and a rotating shaft;
3. floating compensation is realized in the left-right translation direction by adopting a mode of a cylinder and a slide rail;
4. the up-down position compensation is realized in the up-down direction by a mode of a cylinder and a spring;
5. the floating screw connector adopts a servo motor to drive a speed reducer to reduce speed so as to meet the requirements of screw connection torque of protection rings and couplings with different specifications, adopts an oil cylinder to drive a chuck to clamp the protection rings and the couplings by a pull rod, and adapts to the protection rings and the couplings with different specifications by adjusting the positions of jaws.
The invention has the following beneficial effects:
1. the servo motor is adopted to drive to realize the requirement of controlling the screwing torque of the protection rings and the couplings with different specifications.
2. And the floating compensation of the degree of freedom of the cylinder 5 is adopted, so that the screwing reliability is ensured.
3. The compatible jack catch is designed to adapt to the inner and outer protective rings and the coupling with different specifications.
4. And automatic screwing can be realized by matching with a robot.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic view of the warp compensation cylinder of the present invention;
fig. 4 is a schematic structural view of the outer end face of the jaw pull rod in the invention.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
A floating screwing device for a steel pipe protection ring and a steel pipe coupling comprises a speed reducer 1, a jaw pull rod 6, a hydraulic chuck 11, a left compensation linear slide rail 14, a right compensation linear slide rail 14, a front compensation linear slide rail 18, a rotation compensation support bearing 23, a front compensation cylinder 30, a rear compensation cylinder 30, a left compensation cylinder 33, a right compensation cylinder 33, a rotary oil hydraulic cylinder 36, a warping compensation bearing 43, an upper compensation cylinder 46, a lower compensation spring 52, a rotation compensation cylinder 55, a warping compensation cylinder 59, a jaw sliding block 60, a jaw 61 and a spring sleeve component 62, and has the specific structure as shown in figures 1-4:
an output shaft of a servo motor is connected with the inner end of a jaw pull rod 6 through a speed reducer 1, the inner end of the jaw pull rod 6 is also connected with a hydraulic chuck 11, the outer end of the jaw pull rod 6 is connected with a cylinder body of a rotary oil hydraulic cylinder 36, at least three jaw sliding blocks 60 are arranged on the outer end face of the jaw pull rod 6, the central axis of each jaw sliding block 60 is coincided with the radius of the outer end face of the jaw pull rod 6, the jaw sliding blocks 60 are uniformly arranged around the central point of the outer end face of the jaw pull rod 6, and jaws 61 are movably arranged on the jaw sliding blocks 60 through;
the inner ring of the rotation compensation bearing 23 is sleeved above the output shaft of the speed reducer 1 and below the robot flange, and the rotation compensation cylinder 55 is hooped on the outer ring of the rotation compensation bearing 23;
a front compensation linear slide rail 18 and a rear compensation linear slide rail 18 are respectively arranged on the plate C17, a plate B13 is provided with a left compensation linear slide rail 14 and a right compensation linear slide rail 14, the central axes of the front compensation linear slide rail 18 and the speed reducer 1 are parallel to each other, the central axes of the left compensation linear slide rail 14 and the speed reducer 1 are perpendicular to each other, the cylinder body of a front compensation cylinder 30 and a rear compensation cylinder 30 are movably arranged on the front compensation linear slide rail 18 and the cylinder body of a left compensation cylinder 33 is;
the cylinder body of the up-down compensation cylinder 46 is arranged on a plate A12 on the output shaft of the speed reducer 1 through an up-down compensation spring 52, and the moving direction of the piston rod of the up-down compensation cylinder 46 is vertical to the central axis of the output shaft of the speed reducer 1;
the inner ring of the warping compensation bearing 43 is sleeved on the output shaft of the speed reducer 1, and the warping compensation cylinder 59 is hooped on the outer ring of the warping compensation bearing 43.
In this embodiment: the outer end face of the jaw pull rod 6 is provided with three jaw sliding blocks 60 which are uniformly arranged around the central point of the outer end face of the jaw pull rod 6, namely, the connecting lines of the corresponding points of the jaw sliding blocks 60 form a regular triangle; the upper and lower compensation springs 52 are rectangular coil springs.
When the method is used, the steps are implemented in sequence as follows: the servo motor drives the jack catch pull rod 6 to rotate after being decelerated by the speed reducer 1 so as to screw the protection ring and the coupling; the protective ring and the coupling are grabbed and placed under the stretching of the 36 oil cylinders of the rotary hydraulic cylinder; the claw 61 moves along the claw slide block 60 to adapt to protective rings and couplings with different specifications, and the claw 61 is fixed through the spring sleeve component 62 after being positioned on the claw slide block 60; the rotation compensation cylinder 55 rotates around the rotation compensation bearing 23 to perform floating compensation in the rotation direction; the front and rear compensation cylinders 30 move along the front and rear compensation slide rails 18 to perform front and rear direction floating compensation; the left and right compensation cylinders 33 move along the left and right compensation linear slide rails 14 to perform left and right floating compensation; the up-down compensation cylinder 46 compresses or releases the up-down compensation spring 52 to realize up-down floating compensation; the warp compensation cylinder 59 rotates about the warp compensation bearing 43 for the warp direction floating compensation.
Claims (3)
1. The utility model provides a steel pipe protection ring and steel pipe coupling ware of screwing in that floats, includes speed reducer (1), characterized by: also comprises a jaw pull rod (6), a hydraulic chuck (11), a left and right compensation linear slide rail (14), a front and back compensation linear slide rail (18), a rotation compensation support bearing (23), a front and back compensation cylinder (30), a left and right compensation cylinder (33), a rotary oil hydraulic cylinder (36), a warping compensation bearing (43), an upper and lower compensation cylinder (46), an upper and lower compensation spring (52), a rotation compensation cylinder (55), a warping compensation cylinder (59), a jaw sliding block (60), a jaw (61) and a spring sleeve component (62),
an output shaft of a servo motor is connected with the inner end of a jaw pull rod (6) through a speed reducer (1), the inner end of the jaw pull rod (6) is further connected with a hydraulic chuck (11), the outer end of the jaw pull rod (6) is connected with a cylinder body of a rotary oil hydraulic cylinder (36), at least three jaw sliding blocks (60) are arranged on the outer end face of the jaw pull rod (6), the central axis of each jaw sliding block (60) is overlapped with the radius of the outer end face of the jaw pull rod (6), the jaw sliding blocks (60) are uniformly arranged around the central point of the outer end face of the jaw pull rod (6), and jaws (61) are movably arranged on the jaw sliding blocks (60) through a spring sleeve assembly (62);
the inner ring of the rotation compensation bearing (23) is sleeved above the output shaft of the speed reducer (1) and below the robot flange, and the rotation compensation cylinder (55) is hooped on the outer ring of the rotation compensation bearing (23);
a front compensation linear slide rail (18) and a rear compensation linear slide rail (18) are respectively arranged on the plate C (17), a plate B (13) is provided with a left compensation linear slide rail and a right compensation linear slide rail (14), the central axes of the front compensation linear slide rail and the rear compensation linear slide rail (18) are parallel to the central axis of the speed reducer (1), the central axes of the left compensation linear slide rail and the right compensation linear slide rail (14) are perpendicular to the central axis of the speed reducer (1), a cylinder body of a front compensation cylinder (30) and a cylinder body of a rear compensation cylinder (33) are movably arranged on the front compensation linear;
the cylinder body of the up-and-down compensation cylinder (46) is arranged on a plate A (12) on the output shaft of the speed reducer (1) through an up-and-down compensation spring (52), and the moving direction of the piston rod of the up-and-down compensation cylinder (46) is vertical to the central axis of the output shaft of the speed reducer (1);
the inner ring of the warping compensation bearing (43) is sleeved on the output shaft of the speed reducer (1), and the warping compensation cylinder (59) is hooped on the outer ring of the warping compensation bearing (43).
2. The floating screw-on device for protecting ring of steel pipe and coupling of steel pipe as claimed in claim 1, wherein: three jaw sliding blocks (60) which are uniformly arranged around the central point of the outer end surface of the jaw pull rod (6) are arranged on the outer end surface of the jaw pull rod (6), namely, the connecting lines of the corresponding points of the jaw sliding blocks (60) form a regular triangle; the upper and lower compensation springs (52) are rectangular coil springs.
3. The method of using the floating screw-on device of steel pipe protective ring and steel pipe collar as claimed in claim 1 or 2, wherein: the method is implemented in sequence according to the following steps: the servo motor drives the jaw pull rod (6) to rotate after being decelerated by the speed reducer (1) so as to screw the protection ring and the coupling; the protective ring and the coupling are grabbed and placed under the stretching of the oil cylinder of the rotary hydraulic cylinder (36); the jack catch (61) moves along the jack catch slide block (60) to adapt to protective rings and couplings with different specifications, and the jack catch (61) is fixed through the spring sleeve component (62) after being positioned on the jack catch slide block (60); the rotation compensation cylinder (55) rotates around the rotation compensation bearing (23) to perform floating compensation in the rotation direction; the front and rear compensation air cylinder (30) moves along the front and rear compensation slide rail (18) to perform floating compensation in the front and rear direction; the left and right compensation cylinders (33) move along the left and right compensation linear slide rails (14) to perform left and right floating compensation; the upper and lower compensation cylinders (46) compress or release the upper and lower compensation springs (52) to realize up-and-down floating compensation; the warp compensation cylinder (59) rotates around the warp compensation bearing (43) to compensate for the floating in the warp direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134483.7A CN111604674A (en) | 2019-02-23 | 2019-02-23 | Floating screwing device for steel pipe protection ring and steel pipe coupling and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134483.7A CN111604674A (en) | 2019-02-23 | 2019-02-23 | Floating screwing device for steel pipe protection ring and steel pipe coupling and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111604674A true CN111604674A (en) | 2020-09-01 |
Family
ID=72193729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910134483.7A Pending CN111604674A (en) | 2019-02-23 | 2019-02-23 | Floating screwing device for steel pipe protection ring and steel pipe coupling and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111604674A (en) |
-
2019
- 2019-02-23 CN CN201910134483.7A patent/CN111604674A/en active Pending
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