CN103203673A - Weld reinforcement grinding machine - Google Patents
Weld reinforcement grinding machine Download PDFInfo
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- CN103203673A CN103203673A CN2013101445898A CN201310144589A CN103203673A CN 103203673 A CN103203673 A CN 103203673A CN 2013101445898 A CN2013101445898 A CN 2013101445898A CN 201310144589 A CN201310144589 A CN 201310144589A CN 103203673 A CN103203673 A CN 103203673A
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- emery wheel
- weld reinforcement
- weld
- axle retainer
- elastic component
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Abstract
The invention provides a weld reinforcement grinding machine which comprises a support frame, a motor, a grinding wheel, a vertical position adjustment device and an elastic piece, wherein the vertical position adjustment device comprises a wheel shaft fixing piece and an elastic piece fixing piece which can slide relatively, and a limiting piece for limiting relative sliding of the wheel shaft fixing piece and the elastic piece fixing piece; the limiting piece is detachably connected with the wheel shaft fixing piece and/or the elastic piece fixing piece; the position of the lower end of the wheel shaft fixing piece in the vertical direction is changed in a manner that the wheel shaft fixing piece slides relative to the elastic piece fixing piece; the grinding wheel is driven by the motor; a shaft of the grinding wheel is fixed at the lower end of the wheel shaft fixing piece; the elastic piece fixing piece is fixedly connected with one end of the elastic piece; and the other end of the elastic piece is connected with the support frame. According to the weld reinforcement grinding machine, grinding reinforcement can be controlled.
Description
Technical field
The present invention relates to a kind of weld reinforcement sander, be applied to the metal solder field.
Background technology
The laying of high pressure distributing system pipeline engineering, the pipeline welding quality is the most important thing of whole construction quality, welding quality also is the most difficult control part, and reinforcement exceeds standard and will have a strong impact on welding quality and antiseptic effect, and weld reinforcement severe overweight problem is basic the solution never.Manual welding reinforcement superelevation is a universal phenomenon, for example the weld reinforcement of the technological standards of some unit in charge of construction regulation is 1.6mm, and whole road weld reinforcement is seldom arranged all within this scope in the reality, surpass can be found everywhere of 3mm in the reality, have in addition up to 5mm's.
As everyone knows, in the pipe engineering most important 2 be the welding and anticorrosion.The pipe welding seam reinforcement is one of influence welding oeverall quality and the anticorrosion key factor of weld bond.Stress was concentrated near the too high meeting of reinforcement caused weld bond, the good pipeline of welding can cause the stress concentration phenomenon moving, transfer near weld bond when putting, the stressed meeting of some point is very big, when greater than the stressed limit of material, can cause material surface or the trickle slight crack of local generation, can obviously be out of shape, break when serious.Microcrack be can't see from the teeth outwards, has only through special detecting devices to check out.The existence of microcrack is potential, as can't a to discover dangerous matter sources.Because pipeline move, transfer be put into the position after can do flaw detection more hardly.Degree and the width of weld seam, the height of weld reinforcement and the level and smooth degree of weld seam and mother metal transition that stress is concentrated have relation.Weld seam is more narrow, reinforcement is more high, transition position is more steep, then should be just more serious with concentration phenomenon.One of reason that butt welded seam reinforcement and presentation quality are strict with in the welding procedure that Here it is.
Also can have a strong impact on anticorrosion the causing of weld bond when reinforcement is higher, give one example.As use oval pyrocondensation contracting cover to do weld bond when anticorrosion, and when the sealing height is 3mm, the weld bond capping is pendulum weldering form, is doing when anticorrosion, the air on pipe welding port both sides is difficult to drain clean.Because the thickness of epoxy primer is about 0.25mm, the bondline thickness of pyrocondensation contracting cover is 1.5mm, when doing when anticorrosion by pyrocondensation contracting band nature convergent force, even it is all sturdy to the joint edge edge (real severity like this can not contract in the reality) that outer inner face is overlapped in the pyrocondensation contracting, all colloids are all clamp-oned joint edge along ditch inside, highest point, the height of colloid and priming paint and be 1.75mm, also poor far from 3mm, air just has the living space of nearly 1.25mm! This often is exactly the place of bubble, and these local bubbles often are difficult to drive out of.Perhaps, this is exactly to require weld reinforcement must not surpass one of reason of 1.6mm in the qualification of welding procedure.
Since weld reinforcement has two so serious influences greatly to total quality, just must handle the weld reinforcement that exceeds standard, this also is the reason place that allows polishing in the welding procedure.What the pipeline welding workman often used in practical operation all is the angle grinding machine.This just has great requirement to the personnel operation level, because do not allow to injure mother metal when polishing, should guarantee that reinforcement puts in place, and the polishing good looking appearance will guarantee that also weld edge and mother metal seamlessly transit.This requirement almost is the thing that manual operations is difficult to accomplish.Can find that in practice of construction a lot of polishings are inhomogeneous, transition is unsmooth, and the situation that grinding machine polishing in angle injures mother metal also happens occasionally.
So long as the manual welding of people is stopped the weld reinforcement problem that exceeds standard fully with regard to not finishing, be inevitable thing so weld reinforcement is polished.So long as the manual operation angle grinding machine polishing of people just can't be slapped absolutely control polishing effect, the mother metal event of just can not avoiding fully fraying takes place.
The direct method that the solution weld reinforcement exceeds standard is polishing, and the most basic way is to strengthen the welding quality management, improves welder's weld horizontal, and the continuous productive process of trying one's best adopts automatically or the semiautomatic welding connection technology as far as possible.But in the practice of construction environment, often there are a lot of locations not possess automatically or the condition of semi-automatic welding, only take artificial welding method.Since artificial welding is inevitable, the manual welding reinforcement problem that exceeds standard just inevitably takes place, and the manual grinding reinforcement just must carry out, how with the standard-required that meets of weld reinforcement polishing, just become must solution problem.
Summary of the invention
Be difficult to guarantee technical problem up to standard, inefficient for solving existing manual grinding weld reinforcement, the invention provides a kind of weld reinforcement sander, comprise bracing frame, motor, emery wheel, vertical position adjusting device and elastic component; Described vertical position adjusting device comprises that the axle retainer that can slide relatively is with bullet spare fixture and for the locating part that limits this axle retainer and the relative slip of this bullet spare fixture, described locating part is connected in this axle retainer and/or this bullet spare fixture removably, the position of the lower end in the vertical direction that described axle retainer changes this axle retainer by sliding with respect to described bullet spare fixture; Described emery wheel is subjected to described motor-driven, and the axle of described emery wheel is fixed on the lower end of described axle retainer, and described bullet spare fixture is fixedlyed connected with an end of described elastic component, and the other end of described elastic component is connected with support frame as described above.
Further, also be provided with the guide frame that is used to described vertical position adjusting device vertically to move and lead on the support frame as described above.
Further, described guide frame is vertical slots.
Further, described weld reinforcement sander also comprises the displacement indicating device, and described displacement indicating device comprises the dial that is fixed on the support frame as described above and the pointer that is fixed on the described vertical position adjusting device.
Further, described weld reinforcement sander also comprises the gag lever post that is fixed on the support frame as described above, and described elastic component is sheathed on the described gag lever post.
Further, described axle retainer comprises adjusting screw(rod) and the connecting rod of fixedlying connected with it, described bullet spare fixture comprises the connecting plate that is connected with described elastic component, described connecting rod is connected with described connecting plate by described adjusting screw(rod), fixedlys connected with the axle of described emery wheel in the lower end of described connecting rod; The stop nut of described locating part for mating with described adjusting screw(rod), be used for limiting this adjusting screw(rod) and described connecting plate generation relative displacement; Described elastic component is spring.
Further, described weld reinforcement sander comprises two described elastic components, and two described elastic components lay respectively at described connecting rod both sides.
Further, support frame as described above comprises base and housing, and described base is removably installed in the bottom of described housing; Described emery wheel removably is connected on the described axle retainer.
Further, described weld reinforcement sander comprises the emery wheel of a plurality of difform bases and different model.
Further, described weld reinforcement sander also comprises driving mechanism, controller and the displacement transducer that is installed on the support frame as described above respectively and communicates to connect successively; Described displacement transducer is installed on the bottom of support frame as described above, is used for measuring the minimum point of described emery wheel and the distance of supporting surface; Described driving mechanism is connected with described locating part with described axle retainer respectively, and controlled by described controller; Described controller is controlled and is driven locked this axle retainer of described locating part and this bullet spare fixture again after described driving mechanism drives described axle retainer and described bullet spare fixture generation relative motion according to the size of described the displacement transducer data that detect and the data of presetting.
Beneficial effect of the present invention: weld reinforcement sander polishing reinforcement of the present invention is controlled, can regulate (manual ﹠amp; Automatically) polishing back reinforcement height, the rear surface quality-smoothing of can polishing is even, and can require to change according to difference; The weld seam that can adapt to different reinforcements within the specific limits automatically, effect unanimity behind the assurance weld grinding; The scale indication is arranged, can carry out adjustment; Can be manually in the bruting process or carry out abrasion of grinding wheel compensation automatically; A sander can be equipped with the emery wheel of different model and the contact base of different profiles, can adapt to the different requirements of different pipelines or other sheet material weld seams and butt welded seam polishing; Can about, up and down, prolong seam track polishing back and forth arbitrarily; Versatility is good, and emery wheel is changed convenient, and equipment is small and exquisite, and is easy to use, simple to operate, durable in use, easy to maintenance, cheap, and simplicity of design is convenient to make; Also specific (special) requirements can be satisfied, water can be added as bruting process.Weld reinforcement sander of the present invention overcome current bad with angle grinding machine polishing welding seams reinforcement moulding, easily injure mother metal, the operation uneasy congruent defective.The polishing requirement that this invention has outward appearance moulding standard behind the weld grinding, can never injure mother metal, handling safety is reliable, can realize various weld seams can require carry out free optional component according to dissimilar weld seams and apparent size.
The present invention realizes automatically grinding by two relative motions: to be emery wheel and connecting rod regulate distance between emery wheel and connecting rod and the connecting plate by top adjusting bolt for relative motion, this regulates the remaining height of polishing back weld seam and uses, in case it is just locked to regulate the back that puts in place; To be parts such as emery wheel and connecting rod by the flexible of elastic component in the vertical direction do relative motion on the vertical direction at bracing frame in another relative motion, this is to utilize elastic force emery wheel wheel body behind pressurized of elastic component to move, the wheel body downward pressure of loading under the effect of elastic restoring force afterwards, grinding the wheel body that disappears with weld seam moves down, emery wheel moves down final elastic force release and finishes, the height that weld seam is reached regulate in advance, this relative motion is that the conversion that does not stop in polishing.
The present invention also can be applicable to the weld seam (as straight weld, inside/outside circular weld, angle welding etc.) of different styles by replaceable base.
Description of drawings
Fig. 1 is the positive apparent time structure perspective diagram of weld reinforcement sander of the present invention;
Structure perspective diagram when Fig. 2 is the side-looking of sander shown in Figure 1;
Structure perspective diagram when Fig. 3 is overlooking of sander shown in Figure 2;
Fig. 4 is the employed four kinds of interchangeable bases of sander shown in Figure 1;
Fig. 5 is the employed a kind of emery wheel of sander shown in Figure 1.
The specific embodiment
The present invention is further described below in conjunction with description of drawings and the specific embodiment.
Shown in Fig. 1,2 and 3, weld reinforcement sander of the present invention comprises bracing frame 1, motor 2, emery wheel 3, elastic component 4, vertical position adjusting device; Emery wheel 3 is driven by motor 2; The vertical position adjusting device comprises axle retainer, bullet spare fixture and locating part 7, both can slide relatively, locating part 7 is connected in axle retainer and/or bullet spare fixture (locating part 7 is installed in the axle retainer upper end in the present embodiment) removably, and locating part 7 is used for the relative slip of restriction axle retainer and bullet spare fixture; The axle 30 of emery wheel 3 is fixed on the lower end of axle retainer, and bullet spare fixture is fixedlyed connected with an end of elastic component 4, and the other end of elastic component 4 is connected with bracing frame 1; The position of the lower end in the vertical direction that axle retainer changes axle retainer by sliding with respect to bullet spare fixture, thereby change the position of emery wheel 3 in the vertical directions, regulate emery wheel 3 behind the desired position according to the weld bead height of setting, utilize locating part 7 locked axle retainers and bullet spare fixture, both relative positions are immobilized.After axle retainer and bullet spare fixture are locked, butt welded seam is polished, weld seam exceeds partly jack-up emery wheel 3 upwards of setting height, impel the vertical position adjusting device to move upward, conflict elastic component 4 makes its stressed contraction, and the restoring force of elastic component 4 reacts on the vertical position adjusting device again and then promotes emery wheel 3 and makes emery wheel 3 that the trend of downward motion be arranged.Emery wheel 3 moved down when motor 2 drove emery wheels 3 and rotates continuous polishing welding seams, the part that weld seam exceeds setting height is just polished off gradually, reach setting height until weld bead height, at this moment elastic component 4 stress balance just, emery wheel 3 had not both been received the top power that weld seam makes progress, elastic component 4 is also to the vertical position adjusting device, emery wheel 3 can be more yet polishing welding seams downwards.
The weld reinforcement sander of present embodiment also comprises guide frame 8, guide frame 8 is located at the bottom of bracing frame 1, being used to the vertical position adjusting device vertically to move leads, it can be a vertical slots, the axle 30(motor 2 of emery wheel 3 is coaxial with emery wheel 3) be in the vertical slots, the axle 30 of emery wheel 3 can only be moved along the vertical slots in the vertical direction, and can not move in the horizontal direction.
Axle retainer comprises adjusting screw(rod) 52 and the connecting rod 51 of fixedlying connected with it, bullet spare fixture comprises the connecting plate 6 that is connected with elastic component 4, connecting rod 51 is connected with connecting plate 6 by adjusting screw(rod) 52, offer relative screw respectively on connecting rod 51 and the connecting plate 6, adjusting screw(rod) 52 is connected with connecting plate 6 with connecting rod 51 respectively by two screws.Fixedly connected with the axle 30 of emery wheel 3 in the lower end of connecting rod 51; Locating part 7 is and the stop nut of adjusting screw(rod) 52 couplings, is used for restriction adjusting screw(rod) 52 and with connecting plate 6 relative displacement takes place; Elastic component 4 is spring.
Shown in Fig. 1,2 and 3, the weld reinforcement sander also comprises gag lever post 53 and the handle 10 that is fixed on the bracing frame 1.Handle 10 is fixed on bracing frame 1 top; Elastic component 4 is sheathed on the gag lever post 53, these elastic component 4 one ends are connected in this gag lever post 53, elastic component 4 is fixed on the bracing frame 1 by gag lever post 53, the other end is connected in connecting plate 6, connecting plate 6 is provided with through hole so that gag lever post 53 runs through wherein, thereby connecting plate 6 can be slided at gag lever post 53.The quantity of gag lever post 53 and elastic component 4 is two, and two gag lever posts 53 and two elastic components 4 lay respectively at connecting rod 51 both sides, and elastic component 4 is spring.
Connecting rod vertical position adjusting device can vertically move up and down in vertical slots integral body with connecting rod 51, and this just can regulate the height of emery wheel 3 and mother metal supporting surface, to satisfy the requirement of polishing reinforcement.Emery wheel 3 is worn into matrix, and can to make the horizontal planing surface of weld seam be arc, satisfies seamlessly transitting requirement.
As a preferred embodiment of the present invention, on the basis of the above, as shown in Figure 1, the weld reinforcement sander also comprises the displacement indicating device; The displacement indicating device comprises the dial 91 that is fixed on the bracing frame 1 and the pointer 92 that is fixed on the connecting plate 6.Move up and down along with elastic component 4 drives connecting plate 6, pointer 92 also moves up and down thereupon, and the dial 91 that is fixed on the bracing frame 1 is static, and like this, pointer 92 can be in dial 91 indication vertical displacement amounts.
The shape that earlier grinder buffing is become to require before the operation.Emery wheel 3 is fixed on the axle of motor 2, the axle 30 of motor 2 is through on the connecting rod 51 and places guide frame 8(vertical slots) after, utilize the height between connecting rod vertical position adjusting device adjusting emery wheel 3 and the base 11 supported underneath faces, to reach weld reinforcement polishing back requirement.Start, it is sturdy to weld seam with machine for grinding welding seam to treat to hold handle 10 after emery wheel 3 runs well, the people sander is pressed rear base 11 and mother metal (iron plate) connect sturdy after, the emery wheel 3 of sander will be subjected to being higher than on the weld seam projection of setting height and push up, connecting rod vertical position adjusting device (comprising connecting rod 51, connecting plate 6 and adjusting screw(rod) 52 etc.) and motor 2 will upwards slide along gag lever post 53 by the through hole on the connecting plate 6, spring after stressed; Elastic component 4 is subjected to force compresses to produce elastic deformation, elastic component 4 reseting elasticities can make the vertical position adjusting device press down automatically, namely in the elastic force dispose procedure, produce downward pressure by connecting plate 6,51 pairs of emery wheels of connecting rod 3, make emery wheel 3 polish off the projection that weld seam exceeds setting height gradually, along with the projection of weld seam is polished off gradually, after elastic component 4 reseting elasticities had discharged, emery wheel 3 returned to desired location.The people is manual to promote machine for grinding welding seam along weld seam, will finish the polishing of whole piece weld seam.
As another preferred embodiment of the present invention, on the basis of the above, the weld reinforcement sander also comprises driving mechanism, controller and the displacement transducer that is installed on the bracing frame respectively and communicates to connect successively; Displacement transducer is installed on the square groove position, bottom of bracing frame 1, is used for measuring the minimum point of emery wheel 3 and the distance of supporting surface; Driving mechanism is connected with locating part 7 with axle retainer respectively, and is controlled by the controller; Controller drives locating part 7 locked axle retainers and bullet spare fixture according to the size of the displacement transducer data that detect and the data of presetting after control driving mechanism live axle fixture and the bullet spare fixture generation relative motion again.
As above institute's cloud be in conjunction with concrete preferred embodiment to further describing that the present invention does, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, under the prerequisite that does not break away from design of the present invention and intension, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the weld reinforcement sander comprises bracing frame (1), motor (2), emery wheel (3), it is characterized in that: also comprise vertical position adjusting device and elastic component (4); Described vertical position adjusting device comprises that the axle retainer that can slide relatively is with bullet spare fixture and for the locating part (7) that limits this axle retainer and the relative slip of this bullet spare fixture, described locating part (7) is connected in this axle retainer and/or this bullet spare fixture removably, the position of the lower end in the vertical direction that described axle retainer changes this axle retainer by sliding with respect to described bullet spare fixture; Described emery wheel (3) is driven by described motor (2), the axle (30) of described emery wheel (3) is fixed on the lower end of described axle retainer, described bullet spare fixture is fixedlyed connected with an end of described elastic component (4), and the other end of described elastic component (4) is connected with support frame as described above (1).
2. weld reinforcement sander according to claim 1 is characterized in that: also be provided with the guide frame (8) that is used to described vertical position adjusting device vertically to move to lead on the support frame as described above (1).
3. weld reinforcement sander according to claim 2 is characterized in that: described guide frame (8) is vertical slots.
4. weld reinforcement sander according to claim 1, it is characterized in that: also comprise the displacement indicating device, described displacement indicating device comprises the dial (91) that is fixed on the support frame as described above (1) and is fixed on pointer (92) on the described vertical position adjusting device.
5. weld reinforcement sander according to claim 1, it is characterized in that: also comprise the gag lever post (53) that is fixed on the support frame as described above (1), described elastic component (4) is sheathed on the described gag lever post (53).
6. weld reinforcement sander according to claim 1, it is characterized in that: described axle retainer comprises adjusting screw(rod) (52) and the connecting rod of fixedlying connected with it (51), described bullet spare fixture comprises the connecting plate (6) that is connected with described elastic component (4), described connecting rod (51) is connected with described connecting plate (6) by described adjusting screw(rod) (52), fixedlys connected with the axle (30) of described emery wheel (3) in the lower end of described connecting rod (51); The stop nut of described locating part (7) for mating with described adjusting screw(rod) (52), be used for limiting this adjusting screw(rod) (52) and described connecting plate (6) generation relative displacement; Described elastic component (4) is spring.
7. weld reinforcement sander according to claim 6, it is characterized in that: comprise two described elastic components (4), two described elastic components (4) lay respectively at described connecting rod (51) both sides.
8. weld reinforcement sander according to claim 1, it is characterized in that: support frame as described above (1) comprises base (11) and housing (12), and described base (11) is removably installed in the bottom of described housing (12); Described emery wheel (3) removably is connected on the described axle retainer.
9. weld reinforcement sander according to claim 8 is characterized in that: the emery wheel (3) that comprises a plurality of difform bases (12) and different model.
10. weld reinforcement sander according to claim 1 is characterized in that: also comprise being installed in driving mechanism, controller and the displacement transducer that support frame as described above (1) is gone up and communicated to connect successively respectively; Described displacement transducer is installed on the bottom of support frame as described above (1), is used for measuring the minimum point of described emery wheel (3) and the distance of supporting surface; Described driving mechanism is connected with described locating part (7) with described axle retainer respectively, and controlled by described controller; Described controller is controlled and is driven locked this axle retainer of described locating part (7) and this bullet spare fixture again after described driving mechanism drives described axle retainer and described bullet spare fixture generation relative motion according to the size of described the displacement transducer data that detect and the data of presetting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310144589.8A CN103203673B (en) | 2013-04-24 | 2013-04-24 | Weld reinforcement grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310144589.8A CN103203673B (en) | 2013-04-24 | 2013-04-24 | Weld reinforcement grinding machine |
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| CN103203673A true CN103203673A (en) | 2013-07-17 |
| CN103203673B CN103203673B (en) | 2015-04-22 |
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Cited By (6)
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| CN109465702A (en) * | 2018-10-30 | 2019-03-15 | 广船国际有限公司 | A kind of Pneumatic grinding machine support device |
| CN110434744A (en) * | 2019-08-28 | 2019-11-12 | 王卓 | A kind of efficient weld seam polishing machine |
| CN110497283A (en) * | 2019-08-19 | 2019-11-26 | 长春工程学院 | A kind of development machine pick shaft end casting salient point can float automatic grinding device |
| CN114923044A (en) * | 2022-06-23 | 2022-08-19 | 浙江大学 | Resistance-reducing heat-insulating pipeline with polished spiral weld reinforcement and resistance-reducing method thereof |
| CN115816208A (en) * | 2021-11-15 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | Method and device for trimming weld reinforcement |
| CN116276459A (en) * | 2023-05-26 | 2023-06-23 | 常州长登焊材股份有限公司 | Welding wire surface cleaning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109465702A (en) * | 2018-10-30 | 2019-03-15 | 广船国际有限公司 | A kind of Pneumatic grinding machine support device |
| CN110497283A (en) * | 2019-08-19 | 2019-11-26 | 长春工程学院 | A kind of development machine pick shaft end casting salient point can float automatic grinding device |
| CN110497283B (en) * | 2019-08-19 | 2021-06-15 | 长春工程学院 | Floating automatic grinding device for cast salient points at cutting tooth shaft end of heading machine |
| CN110434744A (en) * | 2019-08-28 | 2019-11-12 | 王卓 | A kind of efficient weld seam polishing machine |
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| CN115816208A (en) * | 2021-11-15 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | Method and device for trimming weld reinforcement |
| CN114923044A (en) * | 2022-06-23 | 2022-08-19 | 浙江大学 | Resistance-reducing heat-insulating pipeline with polished spiral weld reinforcement and resistance-reducing method thereof |
| CN114923044B (en) * | 2022-06-23 | 2023-09-22 | 浙江大学 | Drag-reduction heat-insulation pipeline with spiral weld seam residual height polished and drag-reduction method thereof |
| CN116276459A (en) * | 2023-05-26 | 2023-06-23 | 常州长登焊材股份有限公司 | Welding wire surface cleaning device |
| CN116276459B (en) * | 2023-05-26 | 2023-08-04 | 常州长登焊材股份有限公司 | Weld surface cleaning device |
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| CN103203673B (en) | 2015-04-22 |
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