CN109759960B - Drilling rod sand blasting unit - Google Patents
Drilling rod sand blasting unit Download PDFInfo
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- CN109759960B CN109759960B CN201910259581.3A CN201910259581A CN109759960B CN 109759960 B CN109759960 B CN 109759960B CN 201910259581 A CN201910259581 A CN 201910259581A CN 109759960 B CN109759960 B CN 109759960B
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Abstract
The invention relates to the field of drill pipe processing equipment, in particular to a drill pipe sand blasting device, which comprises a vertical sand blasting bin, an inner wall sand blasting mechanism, an outer wall sand blasting mechanism and a material taking mechanism, wherein the outer wall sand blasting mechanism comprises a driver, an outer sand blasting head, a material guide piece and an annular disc, the annular disc can be vertically and movably arranged inside the vertical sand blasting bin through a lifting device, the outer sand blasting head is arranged outside the annular disc, the driver is arranged at the side of the annular disc and is used for driving the annular disc to rotate around the axis of the annular disc, the material guide piece is arranged above the annular disc and is communicated with the outer sand blasting head, the material taking mechanism is vertically arranged in the vertical sand blasting bin and can be horizontally and movably arranged through a servo electric cylinder, the inner wall sand blasting mechanism comprises an inner sand blasting head, a cyclone piece and a lifting cyclone, the inner sand blasting head is arranged above the annular disc and can vertically move through the lifting cyclone, the invention can synchronously carry out sand blasting operation on the inner wall and the outer wall of the drill rod, thereby greatly improving the processing efficiency.
Description
Technical Field
The invention relates to the field of drill pipe processing equipment, in particular to a drill pipe sand blasting device.
Background
The drill rod is a steel pipe with threads at the tail part and is used for connecting surface equipment of a drilling machine and drilling and grinding equipment or a bottom hole device at the bottom end of a drilled well. The purpose of the drill pipe is to carry drilling mud to the drill bit and, together with the drill bit, raise, lower or rotate the bottom hole assembly.
In the actual production process of the drill rod, a plurality of machining procedures are needed, and according to the Chinese patent number: CN201710026700.1 discloses a drill rod processing technology, which specifies the specific processing flow, and at the same time, because the environment temperature, pressure corrosive medium and the like must be analyzed during the drilling process, the used low temperature resistant drill rod can meet the exploration and production requirements. In addition, with the development of the current deep well and ultra-deep well and the development of oil and gas wells in alpine regions in the north and the northwest, more and more drill rods are required to have the performance requirement of low temperature resistance or ultra-low temperature resistance; in order to solve the problem, the drill rod needs to be processed by a coating process, the outer surface and the inner surface of the drill rod need to be subjected to sand blasting cleaning operation in the coating process, the existing sand blasting machine only can be used for automatically blasting the outer surface of the drill rod, and manual operation is still needed for the inner surface of the drill rod, so that sand blasting is divided into two steps to be carried out successively, the processing efficiency is greatly reduced, and the production period is prolonged.
Disclosure of Invention
The invention aims to provide a drill rod sand blasting device aiming at the defects of the prior art
In order to solve the above problems, the present invention provides the following technical solutions:
a drill rod sand blasting device comprises a vertical sand blasting bin, an inner wall sand blasting mechanism, an outer wall sand blasting mechanism and a material taking mechanism, wherein the outer wall sand blasting mechanism comprises a driver, an outer sand blasting head, a material guiding piece and an annular disc, the annular disc is horizontal and can be vertically and movably arranged inside the vertical sand blasting bin through a lifting device, the outer sand blasting head is arranged on the outer side of the annular disc, the spraying direction of the outer sand blasting head is the same as the radial direction of the outer sand blasting head, the driver is arranged beside the annular disc and is used for driving the annular disc to rotate around the axis of the driver, the material guiding piece is arranged above the annular disc and is communicated with the outer sand blasting head, the material taking mechanism is vertically arranged in the vertical sand blasting bin and can horizontally move above the outer sand blasting head through a servo electric cylinder, the inner wall sand blasting mechanism comprises an inner sand blasting head, a cyclone piece and a lifting pulley block, the inner sand blasting head, the cyclone piece is arranged beside the inner sand-blasting head and is used for driving the inner sand-blasting head to rotate circularly.
Further, the driver includes the rotating electrical machines, the pinion, big ring gear and long banding structure's base plate, the pinion is the top that the horizontal axis connects in base plate one end, the other end of base plate has been seted up and has been kept away the shaft hole, the external diameter of annular dish is greater than the internal diameter of keeping away the shaft hole, the annular dish is vertical shaft joint at the top of base plate, and with keep away the concentric setting in shaft hole, the bottom that the base plate was located to the rotating electrical machines is connected with pinion drive through the gear box, big ring gear cover is established at the surface of annular dish and is engaged.
Further, the guide spare includes hollow structure's driven ring and solid fixed ring, the driven ring is the level and locates directly over the annular disc, and the two is concentric, outer sand blasting head is in the inner circle of driven ring, and the two fixed connection, outer sand blasting head is linked together with the driven intra-annular, gu the fixed ring cover is established at the surface of driven ring, gu fixed ring's bottom is through strengthening rib and base plate bottom fixed connection, gu the annular opening has been seted up to fixed ring's internal surface, the surface of driven ring is through sealed lantern ring and the interior articulated cooperation of annular opening, gu fixed ring is linked together with the driven intra-annular, gu fixed ring's lateral surface is equipped with the.
Further, elevating gear includes the wind-up roll, the transition pulley that two first lift wire rope and two symmetries set up, two transition pulleys correspond the front and back both sides in the vertical sandblast storehouse respectively, the wind-up roll is articulated to be set up in the same one side of two transition pulleys, wind-up roll and all transition pulleys are all in the top layer region in the vertical sandblast storehouse, the one end of two first lift wire rope twines the one end at the wind-up roll respectively, a transition pulley is walked around respectively to two first lift wire rope's the other end, and still respectively through a connecting block and base plate head and the tail both ends fixed connection, the outside in vertical sandblast storehouse is provided with first motor, first motor is connected with the wind-up roll transmission.
Furthermore, the lifting pulley block comprises a second motor, a winding disc, a first guide pulley, a second guide pulley, a movable pulley and a second lifting steel wire rope, the first guide pulley and the second guide pulley are symmetrically arranged, the axes of the first guide pulley and the second guide pulley are parallel, the first guide pulley, the second guide pulley and the annular disc are distributed in an isosceles triangle shape, the movable pulley is always positioned below the middle of the first guide pulley and the second guide pulley, the movable pulley and the annular disc are concentrically arranged, the winding disc is hinged to the lower side of the first guide pulley, one end of the second lifting steel wire rope is wound on the winding disc, the other end of the second lifting steel wire rope sequentially winds around the first guide pulley, the movable pulley and the second guide pulley, the second motor is arranged outside the vertical sand blasting bin and is in transmission connection with the winding disc, and the cyclone piece and the inner sand blasting head are both installed below the movable pulley.
Further, the cyclone piece includes U type seat and guide cylinder, U type seat is inversion, and cooperate through its open end and movable pulley coupling, the movable pulley is in the opening of U type seat, the guide cylinder articulates the lower extreme at U type seat, guide cylinder outer wall cover is equipped with the impeller, the surface of guide cylinder still fixes and is equipped with the circular gas hood including being used for fully wrapping up the impeller, two gas pockets have been seted up to the outside symmetry of circular gas hood, the axis of gas pocket is tangent with the surface of circular gas hood, one of them gas pocket interpolation is equipped with the high-pressure air supply pipe, interior sandblast head is L type structure, and its long edge is linked together with the bottom of guide cylinder is coaxial, the other end extending direction of interior sandblast head is the same with the radial of annular disc, be provided with the feeding hose in the opening of U type seat, the feeding hose is linked together with the guide cylinder.
Further, the feed inlet has been seted up on the right side of vertical sandblast storehouse, the feed inlet is close the setting of second guide pulley, servo electric cylinder is dorsal part fixed connection in level and the vertical sandblast storehouse, servo electric cylinder has at least half cylinder body to extend the outside in vertical sandblast storehouse through the feed inlet, feeding agencies includes the pneumatic fixture that leans on the mountain plate and two longitudinal symmetries set up, lean on the mountain plate to be vertical to be connected with servo electric cylinder's output, two pneumatic fixture respectively through a cylinder block and lean on mountain plate front side swing joint, the dorsal part of lean on the mountain plate is equipped with two and dodges the cylinder, the piston shaft of two dodge the cylinder is connected with a cylinder block transmission respectively, the output direction of dodging the cylinder is the same with servo electric cylinder's output direction, pneumatic fixture's exposed end is towards the feed inlet.
Furthermore, two symmetrical clamping plates are symmetrically welded at the clamping end of the pneumatic clamp, and the clamping plates are of V-shaped structures.
Furthermore, a horizontal flange cylinder is arranged in the middle of the two pneumatic clamps, the output end of the flange cylinder faces the feed inlet, and an arc-shaped baffle with a concave surface facing the feed inlet is installed at the front end of a piston shaft of the flange cylinder.
Furthermore, the inner side of the vertical sand blasting bin is provided with three pressing arms which are sequentially arranged from top to bottom, the free ends of the pressing arms correspond to the pneumatic fixtures, the other ends of the pressing arms are provided with inverted avoiding motors, the main shafts of the avoiding motors are in transmission connection with the one ends of the pressing arms, and all the avoiding motors are arranged with the flange cylinders and all the pneumatic fixtures in a one-to-one staggered mode.
Has the advantages that: according to the drill rod sand blasting device, the servo electric cylinder can drive the backer plate to move horizontally and move to the outside of the vertical sand blasting bin through the feeding hole, a manual manipulator or a manual manipulator hands a single drill rod to be in a vertical posture and is connected to a clamping area of a pneumatic clamp, and the two pneumatic clamps are used for clamping the drill rod; meanwhile, before the two pneumatic clamps clamp the drill rod, the flange cylinder works to enable the arc-shaped baffle to move to a set position, and when the drill rod is placed in a clamping area in a vertical posture by a manipulator or a worker, the outer surface of the drill rod is in limited contact with the concave surface of the arc-shaped baffle to enable the drill rod to be in a correct posture; at the moment, all the pressing arms can rotate by the action force of the avoidance motors at respective positions, the free ends of the pressing arms can contact the outer surface of the drill rod due to rotation, and the arc-shaped baffle is positioned at the other side of the drill rod, so that the arc-shaped baffle and the pressing arms form opposite directions to clamp the drill rod, and the drill rod is ensured to be stable; then, the pneumatic clamp is driven by the servo electric cylinder to drive the drill rod to move to the position right above the annular disc, and then the pneumatic clamp is stopped, the annular disc is driven by the lifting device to ascend, in the process, the driver can drive the annular disc to rotate, and then the outer sand blasting head rotates and depends on the working characteristics of the outer sand blasting head, so that the full sand blasting operation on the outer surface of the drill rod is formed; in the ascending process of the annular disc, the lowest pneumatic clamp, namely the pneumatic clamp firstly contacted with the annular disc, can depend on the acting force of the avoidance cylinder at the corresponding position to avoid, so that the annular disc can be ascended, after the annular disc ascends, the pneumatic clamp is reset through the avoidance cylinder to continue to form clamping, and meanwhile, due to the continuous ascending of the annular disc, after the annular disc approaches another pneumatic clamp, the pneumatic clamp can also generate the avoidance action as the previous pneumatic clamp, so that the annular disc can be fully contacted with the outer surface of the drill rod; all the pressing arms can sequentially generate reset type rotation by means of the avoidance motors at respective positions, so that reset avoidance actions are realized; when the lifting device works, the lifting pulley block also works, so that the movable pulley is vertically descended, the cyclone piece and the inner sand blasting head are promoted to descend into the drill rod, and the inner sand blasting head and the outer sand blasting head are coaxial with the drill rod; the inner sand blasting head can start to work after being lowered into the drill rod, and the inner sand blasting head rotates through the cyclone piece, so that the full sand blasting operation is performed on the periphery inside the drill rod; the device can only be suitable for the sand blasting operation of the drill rod within 3m in length; the invention can synchronously carry out sand blasting operation on the inner wall and the outer wall of the drill rod, thereby greatly improving the processing efficiency.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a three-dimensional splitting structure according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view of FIG. 2 at B;
FIG. 5 is a schematic plan view of the present invention;
FIG. 6 is a schematic view of a second three-dimensional splitting structure according to the present invention;
FIG. 7 is an enlarged view at C of FIG. 6;
FIG. 8 is an enlarged view of FIG. 6 at D;
FIG. 9 is a partial perspective view of the first embodiment of the present invention;
FIG. 10 is a partial perspective view of the second embodiment of the present invention;
description of reference numerals: a vertical sand blasting bin 1 and a feed inlet 1 a.
The device comprises a cam plate 2, a pneumatic clamp 2a, a clamping plate 2b and an avoiding cylinder 2 c.
A flange cylinder 3 and an arc baffle 3 a.
An outer sand blasting head 4 and an annular disc 4 a.
The winding device comprises a winding roller 5, a first lifting steel wire rope 5a, a transition pulley 5b, a connecting block 5c and a first motor 5 d.
A rotating electric machine 6, a pinion 6a, a large gear ring 6b, a base plate 6c, and an axle escape hole 6 d.
A driven ring 7.
Fixed ring 8, strengthening rib 8a, inlet pipe 8 c.
An inner sand blasting head 9.
The device comprises a U-shaped seat 10, a guide cylinder 11, a vane wheel 12, a circular air hood 13, a high-pressure air supply pipe 14 and a feeding hose 16.
A second motor 17, a winding disc 18, a first guide pulley 19, a second guide pulley 20, a movable pulley 21, and a second lifting wire rope 22.
A pressing arm 23, and a motor 24.
A servo cylinder 25.
Detailed Description
The following detailed description of specific embodiments of the present invention is made with reference to the accompanying drawings and examples:
referring to fig. 1 to 10, a drill rod sand blasting device comprises a vertical sand blasting bin 1, an inner wall sand blasting mechanism, an outer wall sand blasting mechanism and a material taking mechanism, wherein the outer wall sand blasting mechanism comprises a driver, an outer sand blasting head 4, a material guiding member and an annular disc 4a, the annular disc 4a is horizontal and can be vertically movably arranged inside the vertical sand blasting bin 1 through a lifting device, the outer sand blasting head 4 is arranged outside the annular disc 4a, the spraying direction of the outer sand blasting head is the same as the radial direction of the outer sand blasting head, the driver is arranged beside the annular disc 4a and is used for driving the annular disc 4a to rotate around the axis of the driver, the material guiding member is arranged above the annular disc 4a and is communicated with the outer sand blasting head 4, the material taking mechanism is vertically arranged inside the vertical sand blasting bin 1 and can horizontally move above the outer sand blasting head 4 through a servo electric cylinder 25, the inner wall sand blasting mechanism comprises an inner sand blasting head 9, a cyclone member and a lifting pulley block, the, and can vertically and movably set up through the lifting pulley block, the cyclone is located the side of interior sand blasting head 9 and is used for driving it to take place the circular rotation.
The driver comprises a rotating motor 6, a pinion 6a, a large gear ring 6b and a base plate 6c of a long strip-shaped structure, the pinion 6a is horizontally connected to the top of one end of the base plate 6c in a horizontal shaft mode, a shaft avoiding hole 6d is formed in the other end of the base plate 6c, the outer diameter of the annular disc 4a is larger than the inner diameter of the shaft avoiding hole 6d, the annular disc 4a is vertically connected to the top of the base plate 6c in a vertical shaft mode and is concentrically arranged with the shaft avoiding hole 6d, the rotating motor 6 is arranged at the bottom of the base plate 6c and is in transmission connection with the pinion 6a through a gear box, and the large gear ring 6b is sleeved; the rotating motor 6 drives the small gear 6a to be meshed with the large gear, so that the annular disc 4a rotates around the axis of the annular disc 4a, and the outer sand blasting head 4 is driven to move around the circumferential direction of the annular disc 4 a; the action aims at: a single processing drill rod is obtained through the material taking mechanism and is in a vertical posture, after the drill rod reaches a set position, the drill rod is concentric with the annular disc 4a, and in the ascending process of the annular disc 4a, the outer sand blasting head 4 rotates and has the working characteristics, so that the full sand blasting operation on the outer surface of the drill rod is formed.
The material guide piece comprises a driven ring 7 and a fixed ring 8, the driven ring 7 is horizontally arranged right above the annular disc 4a and is concentric with the driven ring 7, the outer sand-blasting head 4 is positioned at the inner ring of the driven ring 7 and is fixedly connected with the driven ring 7, the outer sand-blasting head 4 is communicated with the driven ring 7, the fixed ring 8 is sleeved on the outer surface of the driven ring 7, the bottom of the fixed ring 8 is fixedly connected with the bottom of the base plate 6c through a reinforcing rib 8a, an annular opening is formed in the inner surface of the fixed ring 8, the outer surface of the driven ring 7 is in hinged fit with the annular opening through a sealing sleeve ring, the fixed ring 8 is communicated with the driven ring 7, and a feeding pipe 8c communicated with the; in order to accurately supply the materials into the outer sand-blasting head 4 during the rotation of the outer sand-blasting head 4, the feeding pipe 8c can be connected to a sand supply device in advance, the sand supply device is the prior art in the sand-blasting machine, and the details thereof are not described herein; the materials are guided into the fixing ring 8 through the feeding pipe 8c, flow inside the fixing ring 8 and flow into the driven ring 7, an annular feeding groove is formed in the outer surface of the driven ring 7 and communicated with the inside of the fixing ring 8, and the fixing ring 8 is isolated from the outside through a sealing lantern ring; after the materials are guided into the driven ring 7, the materials are directly supplied into the outer sand-blasting head 4 due to the internal pressure to form feeding; the outer sand-blasting head 4 rotates along with the annular disc 4a by the acting force of the driven ring 7 in the process of rotating along with the annular disc 4a, the fixed ring 8 is static in the process of rotating the driven ring 7, and the driven ring 7 rotates circumferentially around the fixed ring 8; the mode prevents the high-pressure material pipe from being rolled up due to the rotation of the outer sand-blasting head 4 when the outer sand-blasting head 4 is directly connected with the sand supply equipment through the high-pressure material pipe; thereby affecting the blasting operation.
The lifting device comprises a winding roller 5, two first lifting steel wire ropes 5a and two symmetrically arranged transition pulleys 5b, wherein the two transition pulleys 5b correspond to the front side and the rear side in the vertical sand blasting bin 1 respectively, the winding roller 5 is hinged to the same side of the two transition pulleys 5b, the winding roller 5 and all the transition pulleys 5b are positioned in the top layer area in the vertical sand blasting bin 1, one ends of the two first lifting steel wire ropes are wound at one end of the winding roller 5 respectively, the other ends of the two first lifting steel wire ropes are wound around one transition pulley 5b respectively and are fixedly connected with the head end and the tail end of a substrate 6c through a connecting block 5c respectively, a first motor 5d is arranged outside the vertical sand blasting bin 1, and the first motor 5d is in transmission connection with the winding roller 5; the first motor 5d works to promote the winding roller 5 to rotate, so that the first lifting steel wire rope is wound or unwound, and in the process, the transition pulley 5b is used as a guiding force for winding/unwinding the first lifting steel wire rope; because of the retraction/release acting force of the two first lifting steel wire ropes, the base plate 6c is driven to vertically move by the connecting block 5 c; due to the movement of the base plate 6c, the annular disc 4 a/the outer sand-blasting head 4 can be lifted; and then the full sand blasting operation is formed on the vertical drill rod.
The lifting pulley block comprises a second motor 17, a winding disc 18, a first guide pulley 19, a second guide pulley 20, a movable pulley 21 and a second lifting steel wire rope 22, the first guide pulley 19 and the second guide pulley 20 are symmetrically arranged, the axes of the first guide pulley 19 and the second guide pulley 20 are parallel, the annular disc 4a, the first guide pulley 19, the second guide pulley 20 and the movable pulley 21 are distributed in an isosceles triangle shape, the movable pulley 21 is always positioned below the middle of the first guide pulley 19 and the second guide pulley 20, the movable pulley 21 and the annular disc 4a are concentrically arranged, the winding disc 18 is hinged at the side below the first guide pulley 19, one end of a second lifting steel wire rope 22 is wound on the winding disc 18, the other end of the second lifting steel wire rope sequentially winds the first guide pulley 19, the movable pulley 21 and the second guide pulley 20, the second motor 17 is arranged outside the vertical sand blasting bin 1, and is in transmission connection with the winding disc 18, and the cyclone piece and the inner sand blasting head 9 are both arranged below the movable pulley 21; the second motor 17 acts to rotate the winding disc 18 and wind/unwind the second lifting wire rope 22, meanwhile, the movable pulley 21 is driven to keep the original posture and vertically move under the first guide pulley 19 and the second guide pulley 20 by virtue of the first guide pulley 19 and the second guide pulley 20, and the cyclone member and the inner sand blasting head 9 are driven to vertically move due to the acting force of the movable pulley 21 and also keep the original posture.
The cyclone piece comprises a U-shaped seat 10 and a material guide cylinder 11, the U-shaped seat 10 is inverted and is in shaft joint fit with a movable pulley 21 through the opening end of the U-shaped seat, the movable pulley 21 is positioned in the opening of the U-shaped seat 10, the material guide cylinder 11 is hinged at the lower end of the U-shaped seat 10, the outer wall of the material guide cylinder 11 is sleeved with a vane wheel 12, the outer surface of the material guide cylinder 11 is also fixedly provided with a circular gas hood 13 for fully wrapping the vane wheel 12, the outer side of the circular gas hood 13 is symmetrically provided with two gas holes, the axes of the gas holes are tangent to the outer surface of the circular gas, a high-pressure air supply pipe 14 is inserted into one air hole, the inner sand-blasting head 9 is of an L-shaped structure, the long edge section of the inner sand-blasting head is coaxially communicated with the bottom end of the guide cylinder 11, the extension direction of the other end of the inner sand-blasting head 9 is the same as the radial direction of the annular disc 4a, a feeding hose 16 is arranged in an opening of the U-shaped seat 10, and the feeding hose 16 is communicated with the guide cylinder 11; after the movable pulley 21 carries the cyclone piece and the inner sand-blasting head 9 to descend to the interior of the drill rod, the short-side end of the inner sand-blasting head 9 corresponds to the inner wall of the drill rod, meanwhile, the high-pressure hose is connected to the outside of the high-pressure air supply pipe 14, the high-pressure hose is connected to a high-pressure air pump, the high-pressure air pump works, and causes a high pressure gas stream to be injected into the high pressure hose and delivered into the circular gas dome 13 through the high pressure gas supply tube 14, since the axis of the gas hole is tangential to the outer surface of the circular gas dome 13, i.e. it is shown that the direction of delivery of the gas flow is tangential to the outer side of the bladed wheel 12, where the design of the bladed wheel 12 refers to the principle of blade rows in a steam turbine, when the airflow flows at a high speed in the circular air hood 13, the airflow contacts the surface of the impeller 12 to form pushing, so that the impeller 12 is driven to rotate, the airflow is discharged through the other air hole, and the guide cylinder is driven to rotate; the rotation of the inner sand-blasting head 9 is realized, and the sand blasting can be fully carried out on the periphery inside the drill rod due to the rotation of the inner sand-blasting head 9.
The right side of the vertical sand blasting bin 1 is provided with a feeding hole 1a, the feeding hole 1a is arranged close to the second guide pulley 20, a servo electric cylinder 25 is horizontally and fixedly connected with the back side in the vertical sand blasting bin 1, at least half of cylinder bodies of the servo electric cylinder 25 extend out of the vertical sand blasting bin 1 through the feeding hole 1a, the material taking mechanism comprises a cam plate 2 and two pneumatic fixtures 2a which are symmetrically arranged up and down, the cam plate 2 is vertically connected with the output end of the servo electric cylinder 25, the two pneumatic fixtures 2a are respectively movably connected with the front side of the cam plate 2 through a cylinder seat, the back side of the cam plate 2 is provided with two avoiding cylinders 2c, piston shafts of the two avoiding cylinders 2c are respectively in transmission connection with the cylinder seat, the output direction of the avoiding cylinders 2c is the same as that of the servo electric cylinder 25, and the clamping ends of the pneumatic fixtures 2a face the feeding hole 1 a; the servo electric cylinder 25 can drive the backer board 2 to move horizontally and move to the outside of the vertical sand blasting bin 1 by virtue of the feeding hole 1a, a single drill rod is handed over to a clamping area of the pneumatic clamp 2a in a vertical posture by a manual manipulator or manually, and the two pneumatic clamps 2a are used for clamping the drill rod; then, the pneumatic clamp 2a is driven by the servo electric cylinder 25 to drive the drill rod to move to the position right above the annular disc 4a and then stop, the annular disc 4a is driven by the lifting device to ascend, in the ascending process, the lowest pneumatic clamp 2a can generate avoidance by the action force of the avoidance cylinder 2c at the position corresponding to the lowest pneumatic clamp 2a, the annular disc 4a can ascend in a purpose, after the annular disc 2a ascends, the pneumatic clamp 2a resets through the avoidance cylinder 2c to continue to form clamping, meanwhile, after the annular disc 4a continuously ascends and approaches another pneumatic clamp 2a, the pneumatic clamp 2a can generate avoidance action as the same as the previous pneumatic clamp 2a, and the annular disc 4a can fully contact the outer surface of the drill rod.
The clamping ends of the pneumatic clamp 2a are symmetrically welded with two symmetrical clamping plates 2b, and the clamping plates 2b are of V-shaped structures; the pneumatic clamp 2a will form a sufficient grip of the outer surface of the drill rod by means of the clamping plate 2 b.
A horizontal flange cylinder 3 is arranged in the middle of the two pneumatic clamps 2a, the output end of the flange cylinder 3 faces the feed inlet 1a, and an arc-shaped baffle plate 3a with a concave surface facing the feed inlet 1a is arranged at the front end of a piston shaft of the flange cylinder 3; the flange cylinder 3 has the functions of: before two air jig 2a centre gripping drilling rods, flange cylinder 3 can work, makes cowl 3a displacement to the settlement position, and manipulator or manual work are vertical gesture with the drilling rod and place when clamping area, and the drilling rod surface can constitute spacing formula contact by cowl 3 a's concave surface, makes the drilling rod be in correct gesture.
The inner side of the vertical sand blasting bin 1 is provided with three pressing arms 23 which are sequentially arranged from top to bottom, the free ends of the pressing arms 23 correspond to the pneumatic clamps 2a, the other ends of the pressing arms 23 are provided with inverted avoidance motors 24, the main shafts of the avoidance motors 24 are in transmission connection with one ends of the pressing arms 23, and all the avoidance motors 24, the flange cylinders 3 and all the pneumatic clamps 2a are arranged in a one-to-one staggered mode; after the pneumatic clamp 2a drives the drill rod to move right above the annular disc 4a, all the pressing arms 23 can be prevented from rotating by the action force of the avoidance motors 24 at respective positions, the free ends of the pressing arms 23 can contact the outer surface of the drill rod due to rotation, and the arc-shaped baffle 3a is positioned at the other side of the drill rod, so that the arc-shaped baffle 3a and the pressing arms 23 form an opposite type to clamp the drill rod, and the drill rod is enabled to be ensured to be stable.
The working principle is as follows: the servo electric cylinder 25 can drive the backer board 2 to move horizontally and move to the outside of the vertical sand blasting bin 1 by virtue of the feeding hole 1a, a single drill rod is handed over to a clamping area of the pneumatic clamp 2a in a vertical posture by a manual manipulator or manually, and the two pneumatic clamps 2a are used for clamping the drill rod; meanwhile, before the two pneumatic clamps 2a clamp the drill rod, the flange cylinder 3 works to enable the arc-shaped baffle 3a to move to a set position, and when the drill rod is placed in a clamping area in a vertical posture by a manipulator or manually, the outer surface of the drill rod is in limited contact with the concave surface of the arc-shaped baffle 3a to enable the drill rod to be in a correct posture; at the moment, all the pressing arms 23 are prevented from rotating by the action force of the avoidance motors 24 at respective positions, the free ends of the pressing arms 23 are contacted with the outer surface of the drill rod due to rotation, and the arc-shaped baffle 3a is positioned at the other side of the drill rod, so that the arc-shaped baffle 3a and the pressing arms 23 form opposite clamping of the drill rod, and the drill rod is ensured to be stable; then, the pneumatic clamp 2a is driven by the servo electric cylinder 25 to drive the drill rod to move to the position right above the annular disc 4a and then stop, the annular disc 4a is driven by the lifting device to ascend, in the process, the driver can drive the annular disc 4a to rotate, and then the outer sand-blasting head 4 rotates and depends on the working characteristics of the driver, so that the full sand-blasting operation on the outer surface of the drill rod is formed; in the ascending process of the annular disc 4a, the lowermost pneumatic clamp 2a, namely the pneumatic clamp 2a which is firstly contacted with the annular disc 4a, can generate avoidance by the acting force of the avoidance cylinder 2c at the corresponding position, so that the annular disc 4a can be lifted, after the annular disc 4a is lifted, the pneumatic clamp 2a is reset by the avoidance cylinder 2c to continue to form clamping, meanwhile, due to the continuous lifting of the annular disc 4a, after the annular disc is close to the other pneumatic clamp 2a, the pneumatic clamp 2a can also generate avoidance action as the previous pneumatic clamp 2a, so that the annular disc 4a can be fully contacted with the outer surface of a drill rod; all the pressing arms 23 also sequentially rotate in a reset mode by means of the avoidance motors 24 at the respective positions, so that reset avoidance action is realized; when the lifting device works, the lifting pulley block also works, the purpose of the lifting pulley block is to enable the movable pulley 21 to vertically descend, and to enable the cyclone piece and the inner sand blasting head 9 to descend into the drill rod, and at the moment, the inner sand blasting head 9 and the outer sand blasting head 4 are coaxial with the drill rod; after the inner sand blasting head 9 is lowered into the drill rod, the inner sand blasting head starts to work and rotates through the cyclone piece, and then the full sand blasting operation is carried out on the periphery inside the drill rod; and the device can only be suitable for the sand blasting operation of the drill rod within 3m in length.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (10)
1. The utility model provides a drilling rod sand blasting unit which characterized in that: comprises a vertical sand blasting bin (1), an inner wall sand blasting mechanism, an outer wall sand blasting mechanism and a material taking mechanism, wherein the outer wall sand blasting mechanism comprises a driver, an outer sand blasting head (4), a material guiding piece and an annular disc (4 a), the annular disc (4 a) is horizontal and can be vertically and movably arranged inside the vertical sand blasting bin (1) through a lifting device, the outer sand blasting head (4) is arranged on the outer side of the annular disc (4 a) and has the same radial injection direction as the annular disc, the driver is arranged at the side of the annular disc (4 a) and is used for driving the annular disc (4 a) to rotate around the axis of the driver, the material guiding piece is arranged above the annular disc (4 a) and is communicated with the outer sand blasting head (4), the material taking mechanism is vertically arranged in the vertical sand blasting bin (1) and can horizontally move above the outer sand blasting head (4) through a servo electric cylinder (25), the inner wall sand blasting mechanism comprises an inner sand blasting head (9), a, the inner sand blasting head (9) is positioned right above the annular disc (4 a) and can be vertically and movably arranged through the lifting pulley block, and the cyclone piece is arranged beside the inner sand blasting head (9) and is used for driving the inner sand blasting head to rotate circumferentially.
2. The drill pipe blasting apparatus of claim 1, wherein: the driver includes rotating electrical machines (6), pinion (6 a), big ring gear (6 b) and long structure's base plate (6 c), pinion (6 a) are the horizontal axis and connect the top at base plate (6 c) one end, keep away shaft hole (6 d) have been seted up to the other end of base plate (6 c), the external diameter of annular dish (4 a) is greater than the internal diameter of keeping away shaft hole (6 d), annular dish (4 a) are vertical shaft and connect the top at base plate (6 c), and with keep away shaft hole (6 d) concentric setting, rotating electrical machines (6) are located the bottom of base plate (6 c) and are connected with pinion (6 a) transmission through the gear box, the surface of annular dish (4 a) and mesh mutually with pinion (6 a) are established to big ring gear (6 b).
3. The drill pipe blasting apparatus of claim 2, wherein: the guide piece includes hollow structure's driven ring (7) and solid fixed ring (8), driven ring (7) are the level and locate annular dish (4 a) directly over, and the two is concentric, outer sand-blasting head (4) are in the inner circle of driven ring (7), and the two fixed connection, communicate in outer sand-blasting head (4) and driven ring (7), gu fixed ring (8) cover is established at the surface of driven ring (7), gu the bottom of fixed ring (8) is through strengthening rib (8 a) and base plate (6 c) bottom fixed connection, the annular opening has been seted up to the internal surface of solid fixed ring (8), the surface of driven ring (7) is through sealed lantern ring and annular opening internal hinge cooperation, gu fixed ring (8) communicate in with driven ring (7), gu the lateral surface of solid fixed ring (8) is equipped with inlet pipe (8 c) that is linked together with it.
4. The drill pipe blasting apparatus of claim 2, wherein: the lifting device comprises a winding roller (5), two first lifting steel wire ropes (5 a) and two symmetrically arranged transition pulleys (5 b), the two transition pulleys (5 b) respectively correspond to the front side and the rear side in the vertical sand blasting bin (1), the winding roller (5) is hinged to the same side of the two transition pulleys (5 b), the winding roller (5) and all the transition pulleys (5 b) are positioned in the top layer area in the vertical sand blasting bin (1), one ends of the two first lifting steel wire ropes (5 a) are respectively wound at one end of the winding roller (5), the other ends of the two first lifting steel wire ropes (5 a) respectively wind around one transition pulley (5 b), and the vertical sand blasting bin is also fixedly connected with the head end and the tail end of the substrate (6 c) through a connecting block (5 c), a first motor (5 d) is arranged outside the vertical sand blasting bin (1), and the first motor (5 d) is in transmission connection with the winding roller (5).
5. The drill pipe blasting apparatus of claim 1, wherein: the lifting pulley block comprises a second motor (17), a winding disc (18), a first guide pulley (19), a second guide pulley (20), a movable pulley (21) and a second lifting steel wire rope (22), the first guide pulley (19) and the second guide pulley (20) are symmetrically arranged, the axes of the first guide pulley (19) and the second guide pulley (20) are parallel, the first guide pulley (19), the second guide pulley (20) and the annular disc (4 a) are distributed in an isosceles triangle shape, the movable pulley (21) is always positioned below the middle of the first guide pulley (19) and the second guide pulley (20), the movable pulley (21) and the annular disc (4 a) are concentrically arranged, the winding disc (18) is hinged at the lower side of the first guide pulley (19), one end of the second lifting steel wire rope (22) is wound on the winding disc (18), and the other end of the second lifting steel wire rope sequentially winds around the first guide pulley (19), the movable pulley (21) and the second guide pulley (20), the second motor (17) is arranged outside the vertical sand blasting bin (1) and is in transmission connection with the winding disc (18), and the cyclone piece and the inner sand blasting head (9) are both arranged below the movable pulley (21).
6. The drill pipe blasting apparatus of claim 5, wherein: the cyclone piece comprises a U-shaped seat (10) and a material guide cylinder (11), the U-shaped seat (10) is inverted and is in shaft joint fit with a movable pulley (21) through the opening end of the U-shaped seat, the movable pulley (21) is positioned in the opening of the U-shaped seat (10), the material guide cylinder (11) is hinged at the lower end of the U-shaped seat (10), the outer wall of the material guide cylinder (11) is sleeved with a vane wheel (12), the outer surface of the material guide cylinder (11) is also fixedly provided with a circular air hood (13) used for fully wrapping the vane wheel (12), the outer side of the circular air hood (13) is symmetrically provided with two air holes, the axes of the air holes are tangential to the outer surface of the circular air hood (13), one of the air holes is internally inserted with a high-pressure air supply pipe (14), the inner sand-spraying head (9) is of an L-shaped structure, the long side section of the inner sand-spraying head is coaxially communicated with the bottom end of the material guide cylinder, a feeding hose (16) is arranged in the opening of the U-shaped seat (10), and the feeding hose (16) is communicated with the guide cylinder (11).
7. The drill pipe blasting apparatus of claim 5, wherein: the right side of the vertical sand blasting bin (1) is provided with a feeding hole (1 a), the feeding hole (1 a) is arranged close to a second guide pulley (20), a servo electric cylinder (25) is horizontally and fixedly connected with the back side in the vertical sand blasting bin (1), at least half of cylinder bodies of the servo electric cylinder (25) extend out of the vertical sand blasting bin (1) through the feeding hole (1 a), a material taking mechanism comprises a cam plate (2) and two pneumatic fixtures (2 a) which are symmetrically arranged up and down, the cam plate (2) is vertically connected with the output end of the servo electric cylinder (25), the two pneumatic fixtures (2 a) are respectively movably connected with the front side of the cam plate (2) through a cylinder seat, the back side of the cam plate (2) is provided with two avoiding cylinders (2 c), piston shafts of the two avoiding cylinders (2 c) are respectively in transmission connection with the cylinder seat, the output direction of the avoiding cylinders (2 c) is the same as the output direction of the servo electric cylinder (25), the clamping end of the pneumatic clamp (2 a) faces the feed opening (1 a).
8. The drill pipe blasting apparatus of claim 7, wherein: two symmetrical clamping plates (2 b) are symmetrically welded to the clamping ends of the pneumatic clamp (2 a), and the clamping plates (2 b) are of V-shaped structures.
9. The drill pipe blasting apparatus of claim 7, wherein: a horizontal flange cylinder (3) is arranged in the middle of the two pneumatic clamps (2 a), the output end of the flange cylinder (3) faces the feed inlet (1 a), and an arc-shaped baffle (3 a) with a concave surface facing the feed inlet (1 a) is installed at the front end of a piston shaft of the flange cylinder (3).
10. The drill pipe blasting apparatus of claim 9, wherein: the inboard of vertical sandblast storehouse (1) is equipped with three compressing arm (23) that from top to bottom set gradually, and the free end that compresses tightly arm (23) corresponds air jig (2 a), and the other end that compresses tightly arm (23) is provided with dodges motor (24) that is the inversion to the main shaft of dodging motor (24) is connected with this one end transmission that compresses tightly arm (23), and all dodge motor (24) and flange cylinder (3) and all air jig (2 a) crisscross settings one by one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910259581.3A CN109759960B (en) | 2019-04-02 | 2019-04-02 | Drilling rod sand blasting unit |
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| CN201910259581.3A CN109759960B (en) | 2019-04-02 | 2019-04-02 | Drilling rod sand blasting unit |
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| CN110370173B (en) * | 2019-06-21 | 2021-08-13 | 安徽机电职业技术学院 | Automatic equipment of polishing of wave axle |
| CN114434078A (en) * | 2022-02-22 | 2022-05-06 | 佛山市金瑞利家具有限公司 | Furniture accessory welding fixture and welding device |
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| DE29622088U1 (en) * | 1996-12-19 | 1998-04-16 | Kipp Jens Werner | Blasting device |
| US8061296B1 (en) * | 2009-03-05 | 2011-11-22 | Tom Batur | Pipe treatment apparatus |
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| CN108340288A (en) * | 2018-02-12 | 2018-07-31 | 宜昌楚疆铸造有限公司 | Sand casting part sand removal shot blasting equipment and operating method |
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| CN205097279U (en) * | 2015-11-16 | 2016-03-23 | 三峡大学 | Small -size plastics pipe puncher |
| CN108515089A (en) * | 2018-03-12 | 2018-09-11 | 瑞安市鑫锐机械设备有限公司 | A kind of flat aluminum pipe feed mechanism |
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