阅读说明：本技术 一种不锈钢管内部打磨机构 (Polishing mechanism for interior of stainless steel pipe ) 是由 梁志兰 于 2021-08-30 设计创作，主要内容包括：本发明涉及钢管打磨设备领域,且公开了一种不锈钢管内部打磨机构,包括定位管,所述定位管内轴承套装有可旋转的传动转轴,所述定位管的一端固定连接有定位箱,所述定位箱内腔底部的两侧均固定连接有浮块,两个所述浮块的顶部均固定连接有竖轴,两个所述竖轴的顶端分别固定连接有限位套。通过传动转轴设于定位管内,定位箱固定在定位管的一端,由传动转轴带动定位箱内的打磨轮旋转在钢管内腔的顶部对其内壁进行打磨,配合定位箱内冷却水的液面始终保持在一定高度,利用定位箱内持续通入的冷却水对打磨轮进行实时散热,避免现有的打磨机构对长度较长、内径较大的钢管进行持续打磨时,容易因高温而加剧打磨轮的磨损的问题。(The invention relates to the field of steel pipe polishing equipment, and discloses a polishing mechanism for the interior of a stainless steel pipe, which comprises a positioning pipe, wherein a rotatable transmission rotating shaft is sleeved on a bearing in the positioning pipe, one end of the positioning pipe is fixedly connected with a positioning box, two sides of the bottom of an inner cavity of the positioning box are fixedly connected with floating blocks, the tops of the two floating blocks are fixedly connected with vertical shafts, and the top ends of the two vertical shafts are respectively and fixedly connected with a limiting sleeve. Locate in the registration arm through the transmission pivot, the one end at the registration arm is fixed to the locating box, it is rotatory to polish its inner wall at steel pipe inner chamber's top to drive the wheel of polishing in the locating box by the transmission pivot, the liquid level of cooling water in the cooperation locating box remains at the take the altitude all the time, the cooling water that utilizes the locating box to last to let in dispels the heat in real time to the wheel of polishing, it is longer to avoid current grinding machanism to length, when the great steel pipe of internal diameter lasts to polish, aggravate the problem of the wearing and tearing of wheel of polishing because of high temperature easily.)

1. The utility model provides an inside grinding machanism of nonrust steel pipe which characterized in that: comprises a positioning tube (1), wherein a rotatable transmission rotating shaft (10) is sleeved on an inner bearing of the positioning tube (1), one end of the positioning tube (1) is fixedly connected with a positioning box (2), floating blocks (5) are fixedly connected on two sides of the bottom of an inner cavity of the positioning box (2), vertical shafts (6) are fixedly connected on the tops of the two floating blocks (5), limit sleeves (7) are fixedly connected on the top ends of the two vertical shafts (6) respectively, positioning bearings (8) are fixedly sleeved on the middle parts of the two limit sleeves (7) respectively, a rotating shaft mechanism (3) is fixedly sleeved on an inner ring of the two positioning bearings (8), a polishing wheel (4) is fixedly sleeved on the middle part of the rotating shaft mechanism (3), a transmission device (9) is connected between the transmission rotating shaft (10) and the rotating shaft mechanism (3), and a plurality of hanging blocks (13) which are arranged at equal intervals are fixedly connected on the bottom of the positioning tube (1), the suspension block (13) is fixedly sleeved with a horizontal water inlet pipe (11) and a horizontal water discharge pipe (12), the water inlet pipe (11) is positioned above the water discharge pipe (12), and one ends of the water inlet pipe (11) and the water discharge pipe (12) are communicated with an inner cavity of the positioning box (2).

2. The stainless steel tube internal grinding mechanism of claim 1, wherein: pivot mechanism (3) are including fixed cover dress at the middle even axle (301) at emery wheel (4) middle part, and emery wheel (4) can take out from middle even axle (301) both ends, the both ends of middle even axle (301) are movable sleeve respectively and are equipped with stop collar (302), and stop collar (302) through the bolt fastening in the middle even axle (301) on, two the one end of stop collar (302) respectively with the both sides swing joint of emery wheel (4), one side flange joint that emery wheel (4) were kept away from to stop collar (302) has first even axle (303), the one end of first even axle (303) and the one end fixed connection of transmission (9), another one side flange joint that emery wheel (4) were kept away from to stop collar (302) has second even axle (304), second even axle (304) and the inner circle fixed cup joint of locating bearing (8).

3. The stainless steel tube internal grinding mechanism of claim 1, wherein: the transmission device (9) comprises a positioning pipe (901), a piston shaft (902) and a universal joint (903), one end of the positioning pipe (901) is in transmission connection with one end of a transmission rotating shaft (10) through the universal joint (903), the piston shaft (902) is movably sleeved at the other end of the positioning pipe (901), the piston shaft (902) can move in the positioning pipe (901), the piston shaft (902) rotates along with the positioning pipe (901), and one end, far away from the positioning pipe (901), of the piston shaft (902) is in transmission connection with the rotating shaft mechanism (3) through the universal joint (903).

4. The stainless steel tube internal grinding mechanism of claim 1, wherein: the top of the positioning box (2) is provided with a notch movably sleeved with the grinding wheel (4), a sponge block (202) positioned at the notch is arranged inside the positioning box (2), and the inner side of the sponge block (202) is movably connected with the outer side of the grinding wheel (4).

5. The stainless steel tube internal grinding mechanism of claim 1, wherein: the bottom of the positioning box (2) is designed to be an inclined plane, and the connection position of the drain pipe (12) and the positioning box (2) is located at the lowest position of the inner cavity of the positioning box (2).

6. The stainless steel tube internal grinding mechanism of claim 1, wherein: spout (201) have all been seted up to the both sides at location case (2) top, and the height value of spout (201) is greater than the diameter value of location bearing (8), and the width value of spout (201) is the same with the diameter value of location bearing (8), and the width value of spout (201) is less than the diameter value of stop collar (7), the side of stop collar (7) and the inner wall swing joint of location case (2).

Technical Field

The invention relates to the field of steel pipe polishing equipment, in particular to a polishing mechanism for the interior of a stainless steel pipe.

Background

The seamless steel pipe is formed by punching a whole round steel, a welding seam is not arranged on the surface of the steel pipe, the seamless steel pipe is mainly used as a petroleum geology drilling pipe, a cracking pipe for petrochemical industry, a boiler pipe, a bearing pipe and a high-precision structural steel pipe for automobiles, tractors and aviation, and after the seamless steel pipe is formed, the inner wall or the outer side of the steel pipe needs to be polished according to use.

When the inner wall of a steel pipe is polished by the conventional steel pipe polishing equipment, a rotating main shaft is driven to move inside the steel pipe by a moving base, and a polishing disc is driven to rotate by a motor-driven main shaft to polish the inner wall of the steel pipe.

However, when current steel pipe grinding machanism was polishing the inner wall of steel pipe, the drive shaft of main shaft lug connection carousel and motor, this makes current grinding machanism when polishing to the steel pipe inner wall, because the steel pipe is longer, the internal diameter is great, the in-process of polishing is because of the wheel wearing and tearing consumption of polishing easily, lead to polishing the wheel can't effectually polish to back steel pipe inner wall, need shut down the change wheel of polishing, thereby influence the problem of steel pipe inner wall efficiency of polishing, and current grinding machanism is longer to length, when the great steel pipe of internal diameter lasts to polish, heat that produces can't effectively be dispelled when polishing wheel and steel pipe are polished because of polishing easily, aggravate the wearing and tearing of wheel because of high temperature, influence the life of polishing wheel, the cost is increased, still lead to the lower problem of efficiency of polishing.

Disclosure of Invention

The invention provides a polishing mechanism for the interior of a stainless steel pipe, which has the advantage of high polishing efficiency on the inner wall of the steel pipe and solves the technical problems in the background art.

In order to achieve the above purpose, the invention provides the following technical scheme to realize: a polishing mechanism for the interior of a stainless steel pipe comprises a positioning pipe, wherein a rotatable transmission rotating shaft is sleeved on a bearing in the positioning pipe, one end of the positioning pipe is fixedly connected with a positioning box, floating blocks are fixedly connected to two sides of the bottom of an inner cavity of the positioning box, vertical shafts are fixedly connected to the tops of the two floating blocks, limiting sleeves are fixedly connected to the top ends of the two vertical shafts respectively, positioning bearings are fixedly sleeved at the middle parts of the two limiting sleeves respectively, a rotating shaft mechanism is fixedly sleeved on the inner rings of the two positioning bearings, a polishing wheel is fixedly sleeved at the middle part of the rotating shaft mechanism, a transmission device is in transmission connection between the transmission rotating shaft and the rotating shaft mechanism, a plurality of hanging blocks which are arranged at equal intervals are fixedly connected to the bottom of the positioning pipe, a horizontal water inlet pipe and a water outlet pipe are fixedly sleeved on the hanging blocks, and the water inlet pipe is positioned above the water outlet pipe, one end of the water inlet pipe and one end of the water outlet pipe are communicated with the inner cavity of the positioning box.

Optionally, pivot mechanism links the axle including fixed suit in the middle of polishing wheel middle part, and polishes the wheel and can follow the middle and link an both ends and take out, the middle both ends of linking the axle respectively movable sleeve be equipped with the stop collar, and the stop collar passes through the bolt fastening and links epaxially in the middle, two the one end of stop collar respectively with polish the both sides swing joint of wheel, one the stop collar keeps away from one side flange joint of polishing wheel and has first even axle, the one end of first even axle and transmission's one end fixed connection, another one side flange joint that polishing wheel was kept away from to the stop collar has the second to link the axle, the second links the axle and fixes the inner circle of location bearing and cup joints.

Optionally, transmission includes registration arm, piston shaft and universal joint, the one end of registration arm is passed through the universal joint transmission with the one end of transmission pivot and is connected, piston shaft activity suit is at the other end of registration arm, and the piston shaft can move in the registration arm, the piston shaft rotates along with the registration arm, and the one end that the registration arm was kept away from to the piston shaft passes through the universal joint transmission with pivot mechanism and is connected.

Optionally, the top of locating box is seted up with the notch that the wheel activity of polishing cup jointed, and the inside of locating box is equipped with the sponge piece that is located notch department, the inboard of sponge piece and the outside swing joint of the wheel of polishing.

Optionally, the bottom of the positioning box is designed to be an inclined plane, and the connection position of the drain pipe and the positioning box is located at the lowest position of the inner cavity of the positioning box.

Optionally, the spout has all been seted up to the both sides at location case top, and the height value of spout is greater than location bearing's diameter value, and the width value of spout is the same with location bearing's diameter value, and the width value of spout is less than the diameter value of stop collar, the side of stop collar and the inner wall swing joint of location case.

The invention provides a polishing mechanism for the interior of a stainless steel pipe, which has the following beneficial effects:

1. this inside grinding machanism of nonrust steel pipe, locate in the registration arm through the transmission pivot, the one end at the registration arm is fixed to the locating box, it is rotatory to polish its inner wall at steel pipe inner chamber's top to drive the wheel of polishing in the locating box by the transmission pivot, the liquid level of cooling water remains throughout at the take the altitude in the cooperation locating box, the cooling water that utilizes the locating box to last to let in carries out real-time heat dissipation to the wheel of polishing, it is longer to avoid current grinding machanism to length, when the great steel pipe of internal diameter lasts to polish, the heat that produces can't effectively be dispelled when polishing wheel and steel pipe polish easily because of polishing wheel, the wearing and tearing of wheel of polishing are aggravated because of high temperature, the life of the wheel of polishing is influenced, the cost is increased, still lead to the lower problem of efficiency of polishing.

2. This inside grinding machanism of nonrust steel pipe, the buoyancy to the floating block through the cooling water in the location incasement makes the floating block, the vertical axis, the stop collar, the location bearing, pivot mechanism, the whole trend that keeps shifting up of wheel of polishing, thereby when utilizing the inner wall of wheel of polishing to the steel pipe to polish, make the wheel of polishing under the buoyancy effect of water to the floating block, keep certain pressure to steel pipe top inner wall, thereby compensate the wearing and tearing consumption when polishing the wheel of polishing, ensure that the outside of wheel of polishing can be lastingly stable polish steel pipe inner wall, when having avoided current grinding machanism to polish steel pipe inner wall, because of the steel pipe is longer, the internal diameter is great, wear and consumption because of the wheel of polishing easily in the polishing process, lead to the wheel of polishing can't effectually polish back steel pipe inner wall, need shut down to change the wheel of polishing, thereby influence the problem of steel pipe inner wall efficiency of polishing.

3. This inside grinding machanism of nonrust steel pipe when the inner wall of wheel steel pipe is polished to the wheel of polishing, is taken out by the wheel rotation of polishing in a small quantity, uses the inner wall department of steel pipe, dispels the heat to the steel pipe, has avoided current steel pipe inner wall grinding machanism when polishing, and the higher and difficult effluvium of temperature of steel pipe inner wall causes long steel pipe to soften under high temperature easily, leads to the crooked problem of steel pipe, has further improved the quality of polishing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the spindle mechanism of FIG. 1 according to the present invention;

FIG. 3 is a schematic illustration of the transmission of FIG. 1 according to the present invention;

FIG. 4 is a side cutaway view of the positioning box of the structure of FIG. 1 of the present invention.

In the figure: 1. a positioning tube; 2. a positioning box; 201. a chute; 202. a sponge block; 3. a rotating shaft mechanism; 301. the middle connecting shaft; 302. a limiting sleeve; 303. a first coupling shaft; 304. a second coupling shaft; 4. grinding the wheel; 5. floating blocks; 6. a vertical axis; 7. a limiting sleeve; 8. positioning the bearing; 9. a transmission device; 901. a positioning tube; 902. a piston shaft; 903. a universal joint; 10. a transmission rotating shaft; 11. a water inlet pipe; 12. a drain pipe; 13. a suspension block; 14. the horizontal axis.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a polishing mechanism for the inside of a stainless steel tube comprises a positioning tube 1, a transmission shaft 10 is sleeved on a bearing in the positioning tube 1, one end of the positioning tube 1 is fixedly connected with a positioning box 2, one end of the positioning tube 1 far away from the positioning box 2 is fixedly mounted on a movable base of the polishing machine, a driving motor for driving the transmission shaft 10 to rotate is arranged on the movable base, the positioning tube 1 is driven by the movable base to move integrally, so as to polish the inside of the stainless steel tube, floating blocks 5 are fixedly connected to both sides of the bottom of an inner cavity of the positioning box 2, vertical shafts 6 are fixedly connected to the tops of the two floating blocks 5, limit sleeves 7 are respectively fixedly connected to the tops of the two vertical shafts 6, positioning bearings 8 are respectively fixedly sleeved on the middle parts of the two limit sleeves 7, a rotating shaft mechanism 3 is fixedly sleeved on inner rings of the two positioning bearings 8, a polishing wheel 4 is fixedly sleeved on the middle part of the rotating shaft mechanism 3, the transmission device 9 is connected between the transmission rotating shaft 10 and the rotating shaft mechanism 3 in a transmission manner, the bottom of the positioning pipe 1 is fixedly connected with a plurality of suspension blocks 13 which are arranged at equal intervals, a horizontal water inlet pipe 11 and a horizontal water outlet pipe 12 are fixedly sleeved on the suspension blocks 13, the water inlet pipe 11 is positioned above the water outlet pipe 12, and one ends of the water inlet pipe 11 and the water outlet pipe 12 are communicated with the inner cavity of the positioning box 2.

The water is continuously injected into the positioning box 2 through the water inlet pipe 11, the water is continuously drained through the water outlet pipe 12, the liquid level in the positioning box 2 is always kept at a certain height, the water level is over the bottom of the polishing wheel 4, the buoyancy of the water to the floating block 5 is utilized to enable the floating block 5, the vertical shaft 6, the limiting sleeve 7, the positioning bearing 8, the rotating shaft mechanism 3 and the polishing wheel 4 to integrally keep the upward moving trend, so that when the inner wall of the steel pipe is polished by the polishing wheel 4, the polishing wheel 4 keeps a certain pressure on the inner wall of the top of the steel pipe under the buoyancy action of the water to the floating block 5, the abrasion consumption of the polishing wheel 4 is compensated, the outer side of the polishing wheel 4 can be continuously and stably polished on the inner wall of the steel pipe, the abrasion of the inner wall of the steel pipe caused by the long length and large inner diameter of the steel pipe is avoided, and the abrasion is easily caused by the polishing wheel 4 in the polishing process, lead to polishing wheel 4 can't effectually polish to back steel pipe inner wall, need shut down and change polishing wheel 4, thereby influence the problem of steel pipe inner wall efficiency of polishing, and, the cooling water that the utilization lasts lets in, effectively cool off polishing wheel 4, it is longer to avoid current grinding machanism to length, when the great steel pipe of internal diameter lasts to polish, the heat that produces easily when polishing wheel 4 and steel pipe are polished can't effectively be dispelled because of polishing wheel 4, aggravate the wearing and tearing of polishing wheel 4 because of the high temperature, influence polishing wheel 4's life, the cost is increased, still lead to the lower problem of efficiency of polishing, and simultaneously, the hosepipe that utilizes to last to let in walks the piece on polishing wheel 4, avoid polishing wheel 4 goes up the problem that the follow-up steel pipe effect of polishing of piece influence.

Referring to fig. 2, the rotating shaft mechanism 3 includes a middle connecting shaft 301 fixedly sleeved in the middle of the polishing wheel 4, the polishing wheel 4 can be taken out from two ends of the middle connecting shaft 301, two ends of the middle connecting shaft 301 are respectively movably sleeved with a stop collar 302, the stop collars 302 are fixed on the middle connecting shaft 301 through bolts, one end of each of the two stop collars 302 is movably connected with the side surface of the polishing wheel 4, one side of one stop collar 302 away from the polishing wheel 4 is connected with a first connecting shaft 303 through a flange, one end of the first connecting shaft 303 is fixedly connected with one end of the transmission device 9, one side of the other stop collar 302 away from the polishing wheel 4 is connected with a second connecting shaft 304 through a flange, the second connecting shaft 304 is fixedly sleeved with the inner ring of the positioning bearing 8, when the polishing wheel 4 is worn and consumed to a certain extent and needs to be replaced, a bolt nut flanged with the lower stop collar 302 and the first connecting shaft 303 and the second connecting shaft 304 is firstly taken out, so as to connect the stop collars 302, The middle connecting shaft 301 and the polishing wheel 4 are integrally taken out of the positioning box 2, and then the fixing bolt between the limiting sleeve 302 and the middle connecting shaft 301 is taken out, so that the polishing wheel 4 can be taken out from one end of the middle connecting shaft 301 for replacement.

Referring to fig. 3, the transmission device 9 includes a positioning tube 901, a piston shaft 902 and a universal joint 903, one end of the positioning tube 901 is in transmission connection with one end of the transmission rotating shaft 10 through the universal joint 903, the piston shaft 902 is movably sleeved at the other end of the positioning tube 901, the piston shaft 902 can move in the positioning tube 901, the piston shaft 902 rotates along with the positioning tube 901, one end of the piston shaft 902, which is far away from the positioning tube 901, is in transmission connection with the first connecting shaft 303 in the rotating shaft mechanism 3 through the universal joint 903, the overall length of the positioning tube 901 and the piston shaft 902 can be extended by moving the piston shaft 902 in the positioning tube 901, and the universal joint 903 at one end of the positioning tube 901 and the piston shaft 902 is in transmission connection so as to move up the rotating shaft mechanism 3 and the grinding wheel 4 as a whole, and when the wear of the grinding wheel 4 is compensated and consumed, the transmission rotating shaft 10 can stably drive the rotating shaft mechanism 3 to rotate.

Referring to fig. 4, the notch that cup joints with the 4 activity of wheel of polishing is seted up at the top of location case 2, and the inside of location case 2 is equipped with a sponge piece 202 of notch department, the inboard of sponge piece 202 and the outside swing joint of wheel 4 of polishing, utilize sponge piece 202 to the activity laminating of wheel 4 of polishing, when avoiding the wheel 4 rotation of polishing, the big water gaging in the location case 2 is taken out, cause extravagant problem, and simultaneously, the inner wall department of steel pipe is used to a small amount of water that is taken out by wheel 4 of polishing, dispel the heat to the steel pipe, avoided current steel pipe inner wall grinding machanism when polishing, the higher and difficult effluvium of temperature of steel pipe inner wall, cause long steel pipe to soften under high temperature easily, lead to the crooked problem of steel pipe, the quality of polishing has further been improved.

The bottom of location case 2 is the inclined plane design, and drain pipe 12 is located the lowest of 2 inner chambers of location case with the switch-on department of location case 2, so that location case 2 water flows out through drain pipe 12 and dispels the heat, take away the piece on the wheel of polishing 4 simultaneously, the cross axle 14 that a plurality of equidistance of fixedly connected with were arranged between two kickings 5, and cross axle 14 is located the below of wheel of polishing 4, utilize cross axle 14 to connect two kickings 5, make two kickings 5 under the water buoyancy effect in location case 2, it stabilizes the up-and-down moving state to drive 4 whole remain throughout of wheel of polishing, compensate the wheel of polishing 4 of wearing and tearing consumption.

Spout 201 has all been seted up to the both sides at 2 tops of location case, and the height value of spout 201 is greater than location bearing 8's diameter value, the width value of spout 201 is the same with location bearing 8's diameter value, and the width value of spout 201 is less than the diameter value of stop collar 7, the side of stop collar 7 and the inner wall swing joint of location case 2, it is spacing to utilize two stop collars 7 to carry on, ensure that pivot mechanism 3, 4 global stability of grinding wheel shifts up, the wearing and tearing of compensation grinding wheel 4 consume.

During operation, the registration arm 1, one side that the locating box 2 has the steel pipe stretches into, and make the surface of wheel 4 and the top laminating of steel pipe inner chamber polish, the steel pipe that the simultaneous control was treated to polish is to wheel 4 counter-rotation polish, drive transmission 9 through transmission pivot 10, pivot mechanism 3, wheel 4 is whole rotatory polish, thereby polish the inner wall of steel pipe, and simultaneously, by the continuous water injection of inlet tube 11 in to locating box 2, drain pipe 12 lasts the drainage, make the liquid level in locating box 2 remain at a take the altitude all the time, and the surface of water does not cross the bottom of wheel 4 of polishing, the cooling water that utilizes to last to let in dispels the heat to the surface of wheel 4 of polishing, and, when wheel 4 wearing and tearing consume, utilize the buoyancy of locating box 2 cooling water to kicking block 5, make the top of wheel 4 of polishing remain the state of polishing to polish to the wall top in locating tube 1 all the time, can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.