CN111390691B - Straight welded pipe inner wall welding seam equipment of polishing - Google Patents
Straight welded pipe inner wall welding seam equipment of polishing Download PDFInfo
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- CN111390691B CN111390691B CN202010275873.9A CN202010275873A CN111390691B CN 111390691 B CN111390691 B CN 111390691B CN 202010275873 A CN202010275873 A CN 202010275873A CN 111390691 B CN111390691 B CN 111390691B
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- telescopic rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0007—Movable machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a straight welded pipe inner wall weld joint polishing device, which comprises a cylindrical vehicle body, wherein a containing cavity is arranged in the cylindrical vehicle body, a telescopic walking device is arranged in the containing cavity, a containing locking device positioned at the rear side of the telescopic walking device is arranged in the containing cavity, a grinding lifting device is arranged on the front side end face of the cylindrical vehicle body and used for providing lifting motion required for polishing the weld joint of a straight welded pipe, the grinding lifting device can keep set grinding pressure on the inner wall of the straight welded pipe with different pipe diameters so as to ensure grinding quality, a weld joint polishing device is arranged at the right side of the grinding lifting device and can adjust the width of a grinding wheel according to the inner diameter of the straight welded pipe so as to facilitate an operator to align the grinding wheel with the weld joint, and the invention can automatically adapt to polishing the weld joint in the straight welded pipe with different inner diameters, has stronger adaptability and more stable grinding quality.
Description
Technical Field
The invention relates to the technical field of welded pipe polishing, in particular to a polishing device for a weld joint on the inner wall of a straight welded pipe.
Background
The welded pipe comprises a straight welded pipe and a spiral welded pipe, the straight welded pipe is the straight welded pipe, pipes obtained by straight welding of a steel pipe made of hot rolled or cold rolled steel plates or steel strip coils on welding equipment are all called the straight welded pipe, the pipe diameter of the straight welded pipe is smaller because the spiral welded pipe is mostly adopted for the welded pipe with a larger pipe diameter, the welding seam of the welded pipe is usually required to be polished, so that the composite requirement of the surplus height of the welding seam is ensured, the straight welded pipe with a small pipe diameter is not easy to polish, so that the polishing treatment is required by special polishing equipment, the existing polishing equipment for the welding seam of the inner wall of the straight welded pipe can only polish the welded pipe with one diameter, and the adaptability is poor.
Disclosure of Invention
The technical problem is as follows: the existing equipment for polishing the inner wall weld joint of the straight welded pipe can only polish the welded pipe with one diameter, and has poor adaptability.
In order to solve the problems, the embodiment designs a straight welded pipe inner wall welding seam polishing device, which comprises a cylindrical vehicle body, wherein a containing cavity is arranged in the cylindrical vehicle body, a telescopic walking device is arranged in the containing cavity, the telescopic walking device can automatically adapt to straight welded pipes with different pipe diameters and walk on the inner wall of the straight welded pipe, a containing locking device positioned at the rear side of the telescopic walking device is arranged in the containing cavity, the containing locking device can contain the telescopic walking device, so that the storage space can be reduced when the straight welded pipe inner wall straight welded pipe inner wall welding seam polishing device, thereby ensuring the grinding quality, the grinding lifting device comprises a fixed rod fixedly connected on the front end face of the cylindrical vehicle body, an electric lifting cylinder is fixedly connected on the lower end face of the fixed rod, a secondary telescopic rod extending downwards is arranged in the electric lifting cylinder, a sliding table is connected on the left end face of the secondary telescopic rod in a sliding way, a motor base is fixedly connected on the lower end face of the sliding table, a weld grinding device is arranged on the right side of the grinding lifting device and can adjust the width of a grinding wheel according to the inner diameter of a straight welded pipe, so that an operator can conveniently align the grinding wheel with a weld, the weld grinding device comprises a grinding wheel spindle rotatably connected on the right end face of the motor base, a grinding motor fixedly connected on the right end face of the motor base is connected on the grinding wheel spindle in a power mode, and a grinding wheel, the grinding wheel shaft is internally provided with an inner hole with an opening facing right, the upper side and the lower side inner wall of the inner hole are respectively provided with a through groove which is communicated up and down, and the inner wall of the lower side of the inner hole is fixedly connected with an electric cylinder which is positioned at the left side of the through groove.
Preferably, the telescopic walking device comprises a rotating shaft rotatably connected to the inner wall of the front side of the containing cavity, the rotating shaft extends backwards, a rotating disc is fixedly connected to the rotating shaft, a front and a rear through limiting hole is arranged in the rotating disc, the limiting hole is positioned at the rear upper side of the rotating shaft, a spline cavity with a backward opening is arranged in the rotating disc, a torsion spring is connected between the rotating disc and the inner wall of the front side of the containing cavity, three sliding blocks with openings facing away from one side of the rotating shaft are distributed on the inner wall of the containing cavity in an annular array manner, a telescopic rod extending out of the end face of the cylindrical vehicle body is slidably connected in the sliding blocks, a connecting rod is hinged between the telescopic rod and the end face of the front side of the rotating disc, a motor shaft is rotatably connected to the telescopic rod, a motor fixedly connected, the wheel can with the butt of longitudinal welded pipe inner wall, fixedly connected with is located the trigger block of pivot upside on the carousel, it has two position switch to accomodate annular array distribution on the intracavity wall, one position switch is located trigger block upper left side, one side position switch is located trigger block left side downside, trigger block can with the position switch butt.
Preferably, the storage locking means includes a driving shaft rotatably coupled to a rear inner wall of the storage chamber, the transmission shaft extends forwards, a containing motor fixedly connected to the inner wall of the rear side of the containing cavity is connected to the transmission shaft in a power mode, the transmission shaft is fixedly connected with an electromagnet, the flat key on the transmission shaft is connected with a spline cylinder positioned at the front side of the electromagnet, the spline cylinder can be connected with the spline of the spline cavity, a disc is rotationally connected on the spline cylinder, the transmission shaft penetrates through the disc, a compression spring is connected between the disc and the electromagnet, the disc is fixedly connected with a fixed cylinder positioned on the upper side of the transmission shaft, the opening of the fixed cylinder faces forwards, a bolt is connected in the fixed cylinder in a sliding mode, a spring is connected between the bolt and the inner wall of the rear side of the fixed cylinder, and the bolt can extend into the limiting hole.
Preferably, the motor base upper side end face on with be connected with reset spring between the secondary telescopic link downside end face, fixedly connected with limit switch on the motor base upper side end face, fixedly connected with on the secondary telescopic link right side end face can with the trigger block of limit switch butt.
Preferably, a telescopic rod extending rightwards is arranged in the electric cylinder, a baffle is fixedly connected onto the telescopic rod, a sliding ring positioned on the right side of the baffle is connected onto the telescopic rod in a sliding manner, a spring is connected between the sliding ring and the baffle, two clamping rods which are symmetrical up and down are connected onto the end face of the right side of the sliding ring in a sliding manner, the clamping rods can penetrate through the through groove and extend out of the end face of the grinding wheel shaft, an auxiliary connecting rod is hinged between the clamping rods and the telescopic rod and positioned on the right side of the clamping rods, a fixing plate positioned on the right side of the grinding wheel shaft is fixedly connected onto the end face of the front side of the cylindrical vehicle body, a storage shaft is fixedly connected onto the end face of the left side of the fixing plate, two auxiliary grinding wheels are arranged on the storage shaft, a sliding hole which penetrates through from left to right is arranged in the auxiliary grinding wheels, the, the linear motor can move left and right along the cylindrical vehicle body, an auxiliary electric cylinder is fixedly connected to the end face of the lower side of the linear motor, an auxiliary telescopic rod extending downwards is arranged in the auxiliary electric cylinder, and the auxiliary telescopic rod can be abutted to the auxiliary grinding wheel.
The invention has the beneficial effects that: the telescopic walking device can automatically adapt to straight welded pipes with different inner diameters within a certain range, the grinding lifting device can automatically adapt to the straight welded pipes with different inner diameters, the same elastic force is applied to the welding line grinding device, so that the pressure of a grinding wheel on the welding line grinding device on a welding line is kept unchanged, the same grinding effect on the straight welded pipes with different inner diameters is guaranteed, the width of the grinding wheel can be adjusted by the welding line grinding device according to the inner diameter of the straight welded pipe, workers can conveniently align the grinding wheel with the welding line, and therefore the telescopic walking device can automatically adapt to grinding of the welding line in the straight welded pipes with different inner diameters, has strong adaptability and is stable in grinding quality.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic overall structure diagram of a straight welded pipe inner wall weld grinding device according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is an enlarged view of the structure at "B" of FIG. 2;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 2;
FIG. 5 is an enlarged view of the structure at "D" of FIG. 4;
FIG. 6 is an enlarged view of the structure at "E" in FIG. 4;
fig. 7 is an enlarged schematic view of the structure at "F" of fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1 to 7, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a straight welded pipe inner wall weld joint polishing device, which is mainly applied to polishing welded pipes, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a straight welded pipe inner wall weld grinding device, which comprises a cylindrical vehicle body 11, wherein a containing cavity 12 is arranged in the cylindrical vehicle body 11, a telescopic walking device 101 is arranged in the containing cavity 12, the telescopic walking device 101 can automatically adapt to straight welded pipes with different pipe diameters and walk on the inner wall of the straight welded pipe, a containing locking device 102 positioned at the rear side of the telescopic walking device 101 is arranged in the containing cavity 12, the containing locking device 102 can contain the telescopic walking device 101, so that the storage space can be reduced when the straight welded pipe is not in work, a grinding lifting device 103 is arranged on the end surface of the front side of the cylindrical vehicle body 11, the grinding lifting device 103 is used for providing lifting motion required by grinding the weld of the straight welded pipe, and the grinding lifting device 103 can keep set grinding pressure on the inner walls of the straight welded pipes with different pipe diameters, so as to ensure the grinding quality, the grinding and lifting device 103 comprises a fixing rod 29 fixedly connected to the front end face of the cylindrical vehicle body 11, an electric lifting cylinder 28 is fixedly connected to the lower side end face of the fixing rod 29, a two-stage telescopic rod 44 extending downwards is arranged in the electric lifting cylinder 28, a sliding table 43 is slidably connected to the left side end face of the two-stage telescopic rod 44, a motor base 41 is fixedly connected to the lower side end face of the sliding table 43, a weld grinding device 104 is arranged on the right side of the grinding and lifting device 103, the weld grinding device 104 can adjust the width of a grinding wheel according to the inner diameter of a straight welded pipe, so that an operator can conveniently align the grinding wheel with a weld, the weld grinding device 104 comprises a grinding wheel spindle 23 rotatably connected to the right side end face of the motor base 41, and a grinding motor 42 fixedly connected to the right side end face of the, the grinding wheel 22 is fixedly connected to the grinding wheel shaft 23, an inner hole 24 with an opening facing right is formed in the grinding wheel shaft 23, through grooves 56 which are communicated up and down are formed in the upper side and the lower side of the inner hole 24, and an electric cylinder 25 which is located on the left side of the through groove 56 is fixedly connected to the lower side of the inner hole 24.
Beneficially, the telescopic walking device 101 includes a rotating shaft 18 rotatably connected to the inner wall of the front side of the receiving cavity 12, the rotating shaft 18 extends backward, a rotating disc 36 is fixedly connected to the rotating shaft 18, a front-back through limiting hole 19 is provided in the rotating disc 36, the limiting hole 19 is located at the rear upper side of the rotating shaft 18, a spline cavity 40 with a backward opening is provided in the rotating disc 36, a torsion spring 27 is connected between the rotating disc 36 and the inner wall of the front side of the receiving cavity 12, three sliding blocks 21 with openings facing away from the rotating shaft 18 are circumferentially distributed on the inner wall of the receiving cavity 12 in an array manner, a telescopic rod 13 extending out of the end face of the cylindrical vehicle body 11 is slidably connected in the sliding blocks 21, a connecting rod 17 is hinged between the telescopic rod 13 and the end face of the front side of the rotating disc 36, a motor shaft 15 is rotatably connected to the telescopic rod 13, and, fixedly connected with wheel 14 on motor shaft 15, wheel 14 can with transversal welded pipe inner wall butt, fixedly connected with is located the trigger block 20 of pivot 18 upside on the carousel 36, it has two position switch 66 to accomodate the annular array distribution on the 12 inner walls of chamber, one position switch 66 is located trigger block 20 upper left side, one side position switch 66 is located trigger block 20 lower left side, trigger block 20 can with position switch 66 butt, through motor 16 drives motor shaft 15 with wheel 14 rotates, can realize removing along transversal welded pipe inner wall.
Advantageously, the storage locking device 102 comprises a transmission shaft 32 rotatably connected to the inner wall of the rear side of the storage cavity 12, the transmission shaft 32 extends forward, a storage motor 33 fixedly connected to the inner wall of the rear side of the storage cavity 12 is connected to the transmission shaft 32 in a power-driven manner, an electromagnet 31 is fixedly connected to the transmission shaft 32, a spline cylinder 39 located at the front side of the electromagnet 31 is connected to the transmission shaft 32 in a flat key manner, the spline cylinder 39 can be in spline connection with the spline cavity 40, a disc 35 is rotatably connected to the spline cylinder 39, the transmission shaft 32 penetrates through the disc 35, a compression spring 34 is connected between the disc 35 and the electromagnet 31, a fixed cylinder 30 located at the upper side of the transmission shaft 32 is fixedly connected to the disc 35, the fixed cylinder 30 is opened forward, a plug pin 37 is slidably connected to the fixed cylinder 30, and a spring 38 is connected between the plug 37 and the inner wall of the rear, the bolt 37 can extend into the limiting hole 19, so that the rotating disc 36 is limited to rotate, and the rotating disc 36 is locked.
Beneficially, a return spring 64 is connected between an upper end face of the motor base 41 and a lower end face of the secondary expansion link 44, a limit switch 65 is fixedly connected to the upper end face of the motor base 41, a trigger block 63 capable of abutting against the limit switch 65 is fixedly connected to a right end face of the secondary expansion link 44, and after the trigger block 63 contacts the limit switch 65, the electric lifting cylinder 28 can stop working, so that the secondary expansion link 44 stops moving downwards, thereby ensuring the compression amount of the return spring 64, and enabling the elastic force of the return spring 64 to the motor base 41 to be kept at a set value, thereby realizing that a set grinding pressure is kept on inner walls of straight welded pipes with different pipe diameters.
Beneficially, a telescopic rod 26 extending rightward is arranged in the electric cylinder 25, a baffle 57 is fixedly connected to the telescopic rod 26, a sliding ring 62 located on the right side of the baffle 57 is slidably connected to the telescopic rod 26, a spring 58 is connected between the sliding ring 62 and the baffle 57, two clamping rods 59 symmetrical up and down are slidably connected to the right end face of the sliding ring 62, the clamping rods 59 can penetrate through the through groove 56 and extend out of the end face of the grinding wheel shaft 23, an auxiliary connecting rod 60 is hinged between the clamping rods 59 and the telescopic rod 26, the auxiliary connecting rod 60 is located on the right side of the clamping rod 59, a fixing plate 55 located on the right side of the grinding wheel shaft 23 is fixedly connected to the front end face of the cylindrical vehicle body 11, a storage shaft 54 is fixedly connected to the left end face of the fixing plate 55, two auxiliary grinding wheels 52 are arranged on the storage shaft 54, a sliding hole 53 penetrating left and, the storage shaft 54 penetrates through the sliding hole 53, the linear motor 48 located on the upper side of the auxiliary grinding wheel 52 is fixedly connected to the end face of the front side of the cylindrical vehicle body 11, the linear motor 48 can move left and right along the cylindrical vehicle body 11, the auxiliary electric cylinder 50 is fixedly connected to the end face of the lower side of the linear motor 48, the auxiliary electric cylinder 50 is internally provided with an auxiliary telescopic rod 51 extending downwards, the auxiliary telescopic rod 51 can be abutted against the auxiliary grinding wheel 52, and the grinding wheel 22 can be combined with the auxiliary grinding wheel 52 to form grinding wheels with different widths, so that the width of the grinding wheel can be adjusted.
The following describes in detail the use steps of a straight welded pipe inner wall weld grinding device in the present document with reference to fig. 1 to 7:
initial state: the limiting hole 19 is positioned at the upper side of the rotating shaft 18, the telescopic rod 13 is positioned at the limiting position at one side close to the rotating shaft 18, the triggering block 20 is positioned at the upper side of the rotating shaft 18, the triggering block 20 is not contacted with the position switch 66, the electromagnet 31 is not electrified, the spline cylinder 39 is positioned in the spline cavity 40 under the action of the compression spring 34, the spline cylinder 39 is in spline connection with the spline cavity 40, the bolt 37 is positioned in the limiting hole 19 under the action of the spring 38 so as to limit the rotation of the turntable 36, the secondary telescopic rod 44 is in a contraction state, the motor base 41 is positioned at the upper limiting position, the grinding wheel shaft 23 corresponds to the storage shaft 54, the motor base 41 is positioned at the lower limiting position relative to the secondary telescopic rod 44 under the action of gravity and the reset spring 64, the triggering block 63 is not contacted with the limiting switch 65, the telescopic rod clamping rod 59 is positioned at the limiting position at one side far away from, the secondary telescoping rod 51 is located to the left of the leftmost secondary grinding wheel 52 to prevent the secondary grinding wheel 52 from moving to the left and sliding off the storage shaft 54.
During operation, the manual cylindrical automobile body 11 of placing of workman is intraductal at the longitudinal welded, later the circular disc 35 is adsorbed in the circular solenoid 31 circular telegram, and circular disc 35 drives spline section of thick bamboo 39, solid fixed cylinder 30, bolt 37 backward movement, and it is spacing to the rotation of carousel 36 to remove, and under torsion spring 27 effect, carousel 36 rotates, and carousel 36 passes through connecting rod 17 and drives telescopic link 13 and to keeping away from pivot 18 one side and move to make wheel 14 and longitudinal welded pipe inner wall butt, thereby realize the automatic adaptation longitudinal welded pipe internal diameter.
If the amount of rotation of dial 36 is small, i.e., trigger block 20 is rotated to the right, unseated position switch 66, linear motor 48 is deactivated,
if the rotation amount of the turntable 36 causes the trigger block 20 to rotate rightwards to trigger the position switch 66 at the upper left side, the auxiliary electric cylinder 50 drives the auxiliary telescopic rod 51 to contract, so that the auxiliary telescopic rod 51 is positioned at the upper side of the auxiliary grinding wheel 52, then the linear motor 48 drives the auxiliary electric cylinder 50 and the auxiliary telescopic rod 51 to move rightwards between the two auxiliary grinding wheels 52, if the rotation amount of the turntable 36 causes the trigger block 20 to rotate rightwards to trigger the position switch 66 at the lower left side, the auxiliary electric cylinder 50 drives the auxiliary telescopic rod 51 to contract, so that the auxiliary telescopic rod 51 is positioned at the upper side of the auxiliary grinding wheel 52, then the linear motor 48 drives the auxiliary electric cylinder 50 and the auxiliary telescopic rod 51 to move,
then the auxiliary electric cylinder 50 drives the auxiliary telescopic rod 51 to move downwards to enable the auxiliary telescopic rod 51 to be abutted with the auxiliary grinding wheel 52, and then the electric cylinder 25 is started to drive the telescopic rod 26 to move rightwards. The telescopic rod 26 drives the baffle 57, the spring 58 and the sliding ring 62 to move rightwards, so that the clamping rod 59 is abutted against the inner wall of the right side of the through groove 56, the clamping rod 59 and the sliding ring 62 cannot move rightwards continuously, the telescopic rod 26 drives the baffle 57 to move rightwards, the telescopic rod 26 moves rightwards so that the auxiliary connecting rod 60 rotates, the clamping rod 59 moves towards one side close to the telescopic rod 26, the clamping rod 59 moves into the inner hole 24, then the linear motor 48 drives the auxiliary electric cylinder 50, the auxiliary telescopic rod 51 and the auxiliary grinding wheel 52 to move leftwards to the grinding wheel shaft 23, the auxiliary grinding wheel 52 is tightly pressed with the grinding wheel 22, the auxiliary grinding wheel 52 and the auxiliary grinding wheel 52, then the electric cylinder 25 drives the telescopic rod 26 and the baffle 57 to move leftwards, the telescopic rod 26 moves leftwards so that the auxiliary connecting rod 60 is reversed, the clamping rod 59 is driven to move to the far side away from the telescopic rod 26 to reset, thereby clamping and fixing the auxiliary grinding wheel 52 and the grinding wheel 22, so that the grinding wheel 22 and the auxiliary grinding wheel 52 are combined into a grinding wheel,
therefore, the width of the grinding wheel can be automatically adjusted according to the inner diameter of the straight welded pipe, and the width of the grinding wheel is increased along with the increase of the inner diameter of the straight welded pipe, so that a worker can conveniently and manually rotate the cylindrical vehicle body 11 to enable the grinding wheel to correspond to the welding line on the inner wall of the straight welded pipe, and the problem that the welding line cannot effectively correspond to the grinding wheel due to the fact that the inner diameter of the straight welded pipe is large and the width of the grinding wheel is small is solved.
Then the electric lifting cylinder 28 drives the secondary telescopic rod 44 to move downwards, the secondary telescopic rod 44 drives the motor base 41 to move downwards through the reset spring 64, the grinding wheel is enabled to be abutted against the inner wall welding seam of the straight welding pipe, then the secondary telescopic rod 44 continues to move downwards, the trigger block 63 triggers the limit switch 65, then the electric lifting cylinder 28 stops working, the secondary telescopic rod 44 stops moving downwards, thereby compressing the return spring 64 by a set amount, so that the elastic force of the return spring 64 to the motor base 41 is maintained at a set value, so that the grinding pressure of the grinding wheel to the welding line is kept at a set value, thereby ensuring the grinding processing quality, then the grinding motor 42 drives the grinding wheel shaft 23, the grinding wheel 22, the electric cylinder 25, the clamping rod 59 and the auxiliary grinding wheel 52 to rotate, and grinding the weld joint, starting the motor 16, and driving the motor shaft 15 and the wheel 14 to rotate by the motor 16 so that the wheel 14 moves along the inner wall of the pipeline, thereby realizing automatic grinding of the weld joint on the inner wall of the straight welded pipe.
After the completion is polished and is processed, electro-magnet 31 loses the electricity, under compression spring 34 effect, disc 35 moves left and resets, make spline section of thick bamboo 39 and spline chamber 40 splined connection, this moment because spacing hole 19 is not at pivot 18 upside, make bolt 37 and 36 right side terminal surface butt of carousel, later accomodate motor 33 and start, 3 drive transmission shaft 32 and rotate, transmission shaft 32 drives spline section of thick bamboo 39 through flat key connection and rotates, spline section of thick bamboo 39 is through the splined connection with spline chamber 40 and moves carousel 36 and rotate, carousel 36 reverses and resets, make spacing hole 19 rotate pivot 18 department, under spring 38 effect, bolt 37 moves forward and extends to spacing hole 19 once more in, thereby lock carousel 36 once more, and carousel 36 rotates and drives telescopic link 13 through connecting rod 17 and to being close to pivot 18 one side and move the reset, thereby realize the automatic function of accomodating.
The invention has the beneficial effects that: the telescopic walking device can automatically adapt to straight welded pipes with different inner diameters within a certain range, the grinding lifting device can automatically adapt to the straight welded pipes with different inner diameters, the same elastic force is applied to the welding line grinding device, so that the pressure of a grinding wheel on the welding line grinding device on a welding line is kept unchanged, the same grinding effect on the straight welded pipes with different inner diameters is guaranteed, the width of the grinding wheel can be adjusted by the welding line grinding device according to the inner diameter of the straight welded pipe, workers can conveniently align the grinding wheel with the welding line, and therefore the telescopic walking device can automatically adapt to grinding of the welding line in the straight welded pipes with different inner diameters, has strong adaptability and is stable in grinding quality.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (1)
1. The utility model provides a straight welded pipe inner wall welding seam equipment of polishing, includes cylindrical automobile body, its characterized in that: the inner wall of the straight welded pipe with different pipe diameters can be automatically adapted to and walk on the inner wall of the straight welded pipe, the containing cavity is internally provided with a telescopic walking device, the containing locking device is positioned at the rear side of the telescopic walking device and can contain the telescopic walking device, so that the storage space can be reduced when the straight welded pipe is not in work, the front side end face of the cylindrical vehicle body is provided with a grinding and lifting device which is used for providing lifting motion required by grinding the welding seam of the straight welded pipe, the grinding and lifting device can keep set grinding pressure on the inner wall of the straight welded pipe with different pipe diameters, so that the grinding quality is ensured, the grinding and lifting device comprises a fixed rod fixedly connected to the front side end face of the cylindrical vehicle body, and an electric lifting cylinder is fixedly connected to the lower side end face of the fixed rod, a two-stage telescopic rod extending downwards is arranged in the electric lifting cylinder, a sliding table is connected on the left end face of the two-stage telescopic rod in a sliding way, a motor base is fixedly connected on the lower side end face of the sliding table, a weld grinding device is arranged on the right side of the grinding lifting device, the weld grinding device can adjust the width of the grinding wheel according to the inner diameter of the straight welded pipe, thereby facilitating the alignment of the grinding wheel and the welding line by operators, the welding line grinding device comprises a grinding wheel shaft which is rotationally connected on the right end face of the motor base, the grinding wheel shaft is dynamically connected with a grinding motor fixedly connected with the end surface on the right side of the motor base, the grinding wheel shaft is fixedly connected with a grinding wheel, an inner hole with an opening facing right is formed in the grinding wheel shaft, through grooves which are communicated up and down are formed in the inner walls of the upper side and the lower side of the inner hole, and an electric cylinder positioned on the left side of the through grooves is fixedly connected to the inner wall of the lower side of the inner hole;
the telescopic walking device comprises a rotating shaft which is rotatably connected to the inner wall of the front side of the containing cavity, the rotating shaft extends backwards, a rotating disc is fixedly connected to the rotating shaft, a limiting hole which is communicated with the front and the back is arranged in the rotating disc, the limiting hole is positioned at the rear upper side of the rotating shaft, a spline cavity with a backward opening is arranged in the rotating disc, a torsion spring is connected between the rotating disc and the inner wall of the front side of the containing cavity, three sliding blocks with openings facing away from one side of the rotating shaft are distributed on the inner wall of the containing cavity in an annular array manner, a telescopic rod which extends out of the end surface of the cylindrical vehicle body is connected in the sliding blocks in a sliding manner, a connecting rod is hinged between the telescopic rod and the end surface of the front side of the rotating disc, a motor shaft, the wheel can be abutted against the inner wall of the straight welded pipe, the turntable is fixedly connected with a trigger block positioned on the upper side of the rotating shaft, two position switches are distributed on the inner wall of the containing cavity in an annular array manner, one position switch is positioned on the left upper side of the trigger block, the position switch on one side is positioned on the left lower side of the trigger block, and the trigger block can be abutted against the position switches;
the receiving and locking device comprises a transmission shaft which is rotatably connected to the inner wall of the rear side of the receiving cavity, the transmission shaft extends forwards, the transmission shaft is in power connection with a containing motor fixedly connected to the inner wall of the rear side of the containing cavity, the transmission shaft is fixedly connected with an electromagnet, the flat key on the transmission shaft is connected with a spline cylinder positioned at the front side of the electromagnet, the spline cylinder can be connected with the spline of the spline cavity, a disc is rotationally connected on the spline cylinder, the transmission shaft penetrates through the disc, a compression spring is connected between the disc and the electromagnet, the disc is fixedly connected with a fixed cylinder positioned on the upper side of the transmission shaft, the opening of the fixed cylinder faces forwards, a bolt is connected in the fixed cylinder in a sliding manner, a spring is connected between the bolt and the inner wall of the rear side of the fixed cylinder, and the bolt can extend into the limiting hole;
a reset spring is connected between the upper end face of the motor base and the lower end face of the secondary telescopic rod, a limit switch is fixedly connected to the upper end face of the motor base, and a trigger block capable of abutting against the limit switch is fixedly connected to the right end face of the secondary telescopic rod;
a telescopic rod extending rightwards is arranged in the electric cylinder, a baffle is fixedly connected onto the telescopic rod, a sliding ring positioned on the right side of the baffle is connected onto the telescopic rod in a sliding manner, a spring is connected between the sliding ring and the baffle, two clamping rods which are symmetrical up and down are connected onto the end face of the right side of the sliding ring in a sliding manner, the clamping rods can penetrate through the through groove and extend out of the end face of the grinding wheel shaft, an auxiliary connecting rod is hinged between the clamping rods and the telescopic rod and positioned on the right side of the clamping rods, a fixing plate positioned on the right side of the grinding wheel shaft is fixedly connected onto the end face of the front side of the cylindrical vehicle body, a storage shaft is fixedly connected onto the end face of the left side of the fixing plate, two auxiliary grinding wheels are arranged on the storage shaft, a sliding hole which penetrates through from left to right is formed in each auxiliary grinding wheel, the linear motor can move left and right along the cylindrical vehicle body, an auxiliary electric cylinder is fixedly connected to the end face of the lower side of the linear motor, an auxiliary telescopic rod extending downwards is arranged in the auxiliary electric cylinder, and the auxiliary telescopic rod can be abutted to the auxiliary grinding wheel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010275873.9A CN111390691B (en) | 2020-04-09 | 2020-04-09 | Straight welded pipe inner wall welding seam equipment of polishing |
| JP2020135420A JP2021167059A (en) | 2020-04-09 | 2020-08-08 | Polishing device for seam of straight seam steel pipe inner wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010275873.9A CN111390691B (en) | 2020-04-09 | 2020-04-09 | Straight welded pipe inner wall welding seam equipment of polishing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111390691A CN111390691A (en) | 2020-07-10 |
| CN111390691B true CN111390691B (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010275873.9A Active CN111390691B (en) | 2020-04-09 | 2020-04-09 | Straight welded pipe inner wall welding seam equipment of polishing |
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| Country | Link |
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| JP (1) | JP2021167059A (en) |
| CN (1) | CN111390691B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111390691A (en) | 2020-07-10 |
| JP2021167059A (en) | 2021-10-21 |
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Effective date of registration: 20221202 Address after: No. 193 Hengshan, Oushan Village, Xingtai Development Zone, Changtai County, Zhangzhou City, Fujian Province, 363900 Patentee after: Fujian Zhongtong Home Furnishing Co.,Ltd. Address before: 322200 No. 122, shilitou village, wushantang, Xianhua street, Pujiang County, Jinhua City, Zhejiang Province Patentee before: Pujiang Xuxing Machinery Technology Co.,Ltd. |
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