A kind of polishing wheel
Technical field
The present invention relates to a kind of grinding member, relate in particular to a kind of polishing wheel that tubing is carried out grinding.
Background technology
In the tubing production process, the outer surface polishing of tubing is very important together operation, and way commonly used is with the buffing wheel of tubing near rotation in going at present, rotates simultaneously tubing to reach the specification requirement of surface finish.Use the tubing of traditional approach polishing, product polishing can be very inhomogeneous, and is higher to workman's specification requirement, also expends simultaneously more manpowers.In existing patent document, Chinese patent is disclosed: " polishing wheel of polishing machine (CN2732419Y) ", this polishing wheel includes wheel frame, rubber ring, the peripheral part of wheel frame circumference is provided with that several are rectangular, rectangular outer being provided with of wheel frame circumference enclosed the endless belt that covers the wheel frame, the rubber-coated ring of wheel frame outer rim.Chinese patent: " a kind of polishing wheel (CN201931366U) " comprising: the polishing wheel body, along the circumferential direction be provided with mounting groove on its outer round surface, and its center is provided with the pilot hole (U) that passes for power transmission shaft; Be wrapped in the cotton layer in the described mounting groove; Be arranged on the power transmission shaft in the described pilot hole.By be provided for twining the mounting groove of cotton and the pilot hole that power transmission shaft is installed at the polishing wheel body, so that this polishing wheel body can be combined into the polishing wheel with polishing and wiping spot function with cotton layer and power transmission shaft respectively.During use, the power transmission shaft of this polishing wheel and the gripping mechanism card of external impetus whirligig can be joined, by the rotation of external impetus whirligig, drive polishing wheel and run up, thereby the EvA on the glass matte can be cleaned out.Above-mentioned two kinds of structures still do not have to solve the defective that existing polishing technology exists.
Summary of the invention
The invention provides a kind of simple in structure, polishing evenly, tubing to be processed does not need rotation, efficient is high, can process the polishing wheel that straightens diameter pipes; It is inhomogeneous to have solved the polishing wheel polishing that exists in the prior art, also needs to rotate tubing in polishing, wastes time and energy the technical problem that production efficiency is low.
The present invention also provides a kind of interior wheel that can adaptive all size simultaneously, thereby can carry out polishing to the steel pipe of different-diameter, the polishing wheel of convenient disassembly, solve the polishing wheel that exists in the prior art and can only carry out polishing to the tubing of single diameter, versatility is bad, the technical problem that cost is high.
Above-mentioned technical problem of the present invention solves by following technical proposals: a kind of polishing wheel, comprise coaxial and interconnect foreign steamer and interior wheel of synchronous rotary, described interior inwall of taking turns is provided with plural elasticity grinding member, described elasticity grinding member is arc, one end of elasticity grinding member links to each other with interior inwall of taking turns, the end points of the other end of elasticity grinding member is positioned on the same circle, and described foreign steamer is provided with linkage portion.Foreign steamer is connected by the drive member of linkage portion with the outside, thereby driving foreign steamer rotates, because foreign steamer and interior the wheel are coaxial and interfix that interior the wheel along with the rotation of foreign steamer rotated, and carries out grinding by interior elasticity grinding member of taking turns on the inwall to passing interior tubing of taking turns.In polishing process, tubing can not rotate, and it is just passable that a demand motive tubing carries out rectilinear motion, thereby polishes uniformly whole tubing.Interior grinding member of taking turns on the inwall be possess flexible, the distance at wheel center is identical in the end-point distances of elasticity grinding member, thereby can form one take the interior center of taking turns as the circle in the center of circle, this diameter of a circle is the external diameter that is slightly less than tubing to be ground, and elasticity grinding member is arc, thereby the external peripheral surface that can more be adjacent to tubing according to diameter and the radian of tubing carries out effective grinding to tubing.Since be the grinding member be possess flexible, if a tubing has multiple diameter, can be at grinding-shaping in process, only need to guarantee that the interior diameter of a circle that the grinding member forms is identical with the minimum diameter place on the tubing, improved working (machining) efficiency.
Interior fit system of taking turns with foreign steamer can have multiple, and such as the interference fit of axis hole character, interference fits or inlay cooperation etc. just can as long as guarantee both synchronous rotaries.As preferably, be provided with projection at described interior external peripheral surface of taking turns, be provided with the groove that matches with projection at the inwall of described foreign steamer.The cooperation of projection and groove is set, and convenient mounting or dismounting can well guarantee that both can not jump mutually simultaneously, Stability Analysis of Structures, and run-in synchronism is effective.
As preferably, described interior take turns and foreign steamer between be provided with nested, described nested and interior take turns and synchronous rotary coaxial with foreign steamer.Nestedly and interior take turns with foreign steamer all fixingly, interiorly take turns, nested and foreign steamer synchronous rotary.Because foreign steamer is to link to each other with driving arrangement, its appearance and size cannot arbitrarily be changed, in order to realize that the tubing of different-diameter is carried out polishing, by changing the different nested different interior wheels that cooperate, thereby realize the tubing of different-diameter is carried out polishing, the versatility of raising equipment reduces cost, raises the efficiency.
Certainly, nested and interior to take turns with cooperating of foreign steamer also can be known arbitrary form, such as the interference fits of axis hole form above-mentioned, and perhaps nested cooperation etc. form.As preferably, described nested external peripheral surface is provided with positioning key, be provided with locating slot at nested inner circumferential surface, the groove fit of described positioning key and foreign steamer inner circumferential surface, described locating slot cooperates with the projection of interior external peripheral surface of taking turns, the length of described foreign steamer is greater than described nested, the length of the groove of described positioning key and foreign steamer inwall is all less than the length of foreign steamer, the length of described interior projection of taking turns is less than the interior length of taking turns, the location key length is less than the length of groove, and the length of projection is less than the length of locating slot.The interior wheel with nested, the mode that nested and foreign steamer all adopt groove and projection to cooperate can improve the suitability of polishing wheel, simultaneously, the length of positioning key and groove is less than foreign steamer, can position by the end of groove, improve the convenience when installing, interior matching relationship of taking turns also is the same, it is all this so that locating slot and groove are an end opening, the form that the other end is airtight positions by sealed end, improves the agility of installing.Though be foreign steamer with nested or nested and interior the wheel between cooperate, the length of groove all greater than the length of projection, can be stayed a little space in groove, allow the cover plate of annular can better locate fixing.
Interiorly take turns, nested and foreign steamer can be by the secure fit of projection and groove, realize that namely also realization is fixing in the location, width that also can groove is slightly larger than projection, so that the cooperation of groove and projection only is to play positioning action, as more preferably, side at foreign steamer is provided with annular cover plate, and the internal diameter of annular cover plate is identical with described interior internal diameter of taking turns, and the external diameter of described annular cover plate is identical with the external diameter of foreign steamer end face.After interiorly taking turns, nested and foreign steamer install, by cover plate the three is fixed, improve tautness, and easy assembling disassembling, the end face apical grafting of annular cover plate interiorly take turns, on the end face of nested and foreign steamer, thereby the three is fixed, cover plate can be fixed by screws on the end face, simple in structure, can prevent simultaneously dust etc. enter interiorly take turns, nested and outer wheel diameter, the service life of improving equipment.
As more preferably, side at foreign steamer is provided with annular cover plate, annular cover plate be three layers stepped, the width of the annular of the ground floor of internal diameter minimum is identical with interior wall thickness of taking turns, be provided with the first positioning convex at ground floor annular external peripheral surface, the first positioning convex cooperates with the locating slot of nested inwall, the width of the annular of the second layer that internal diameter is placed in the middle is identical with nested wall thickness, be provided with the second positioning convex at second layer annular external peripheral surface, groove fit in the second positioning convex and the foreign steamer, the width of the 3rd layer annular is identical with the wall thickness of foreign steamer.Three layers of upper respectively corresponding interior wheel, nested and foreign steamer on the end face of annular cover plate, two-layer positioning convex respectively corresponding foreign steamer with nested on groove and locating slot, thereby annular cover plate is located, with annular cover plate, interiorly take turns, nested and foreign steamer forms an integral body, the noise of synchronous rotary is little, good positioning effect, the efficient of raising equipment operation.
Elasticity grinding member can be to paste after the independent moulding of external member again or be welded on interior the wheel, also can be with interior take turns integrated.As preferably, elasticity grinding member comprises with interior takes turns integrated support spring sheet, the support spring sheet equates with interior wall thickness of taking turns, the below of described support spring sheet is through hole, the arc length of support spring sheet is not more than the arc length of through hole, inner surface at described support spring sheet is pasted with the abrasive material paster, and the arc length of abrasive material paster is not less than the arc length of support spring sheet.Elasticity grinding member and interior take turns one-body molded, simple in structure, and elastic effect is good, elastic component is exactly the oblong openings of offering on the interior circle wall of taking turns, all scratch on three limits of opening, only have wherein on one side and join with interior the wheel because interior the wheel is that spring steel material is made, therefore be possess certain flexible.The center position that each support spring sheet is inwardly taken turns turns over and sticks up equal angular, thereby the interior center same distance of taking turns of the end of support spring sheet distance, inner surface at the support spring sheet passes through abrasive material paster in the epoxide resin AB glue again, the elasticity grinding element structure of this structure is simple, can change easily the abrasive material paster again, reduce cost.The length of abrasive material paster is not less than the length of support spring sheet, can guarantee more large-area contact tubing, improves ground effect.
As more preferably, described elasticity grinding member is distributed on interior inwall of taking turns, and elasticity grinding member is four, through hole and interior groove interlaced arrangement of taking turns, and the length of described abrasive material paster is 5 ~ 10mm.Elasticity grinding member is distributed on the inwall, thereby can guarantee that grinding is even, and ground effect is good, and the number of elasticity grinding member can be adjusted according to the internal diameter of tubing to be ground, and different interior wheels can be furnished with the elasticity grinding member of different numbers.Through hole and groove interlaced arrangement, namely elasticity grinding member and groove interlaced arrangement guarantee like this in grinding process, interior take turns on the wall everywhere stressed evenly, thereby guarantee the uniformity of grinding.
As preferably, described interior wall thickness of taking turns less than interior take turns with foreign steamer between nested thickness, described support spring sheet and interior angle of taking turns are 15 ° ~ 35 °.The interior wheel is provided with elasticity grinding member, because elasticity grinding member must possess reasonable elasticity, therefore interior wheel is generally more nested thin with foreign steamer.The angle of support spring sheet and inwall has guaranteed to possess in the situation of favorable elasticity, can well wrap again tubing and carry out effective grinding.
The linkage portion of foreign steamer can have various ways, such as meshed transmission gear, and perhaps chain transmission, coaxial transmission etc.As preferably, the linkage portion of described foreign steamer comprises the middle part endless-belt groove that is positioned at the foreign steamer external peripheral surface, and the diameter at foreign steamer two ends is provided with the diameter at endless-belt groove place less than the middle part.Drive the foreign steamer rotation by belt,, with the convenient bearing of arranging the belt rotary drive is supported in the diameter I at the two ends of foreign steamer, improve the transmission effect.
Therefore, a kind of polishing wheel of the present invention possesses following advantage: 1, at interior inwall of taking turns elasticity grinding member is set, elasticity grinding member can well wrap the tubing of taking turns by interior, and working (machining) efficiency is high; 2, the interior wheel along with the rotation of foreign steamer rotated, thus to carrying out grinding by interior tubing of taking turns, and do not need tubing to be rotated, time saving and energy saving; 3, the uniform uniformity that can improve grinding of elasticity grinding member; 4, by nested interior the wheel with foreign steamer is connected, realizes the tubing of different-diameter is carried out grinding thereby can change different interior wheels, improve the suitability of equipment, reduce cost.
Description of drawings
Fig. 1 a kind of polishing wheel of the present invention stereogram
Fig. 2 is the front view of a kind of polishing wheel of the present invention.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is that Fig. 2 is decomposing schematic representation.
Fig. 5 is interior stereogram of taking turns.
Fig. 6 is the front view of Fig. 5.
Fig. 7 is the right view of Fig. 5.
Fig. 8 is the stereogram of foreign steamer.
Fig. 9 is the front view of Fig. 8.
Figure 10 is the right view of Fig. 8.
Figure 11 is nested stereogram.
Figure 12 is the front view of Figure 11.
Figure 13 is the right view of Figure 11.
Figure 14 is the stereogram of cover plate.
Figure 15 is the front view of Figure 14.
Figure 16 is the right view of Figure 14.
Figure 17 is another kind of decomposing schematic representation of the present invention.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical scheme of inventing is described in further detail.
Embodiment 1:
As shown in Figure 1, a kind of polishing wheel comprises synchronous rotary and coaxial interior wheel 1, nested 2 and foreign steamer 3.Interior the wheel elasticity of 4 uniform arcs grinding member 4 is arranged in 1, one end of four elasticity grinding members 4 all joins with interior 1 the inwall of taking turns, other end distance is interior takes turns 1 centre distance and equates, the diameter of the processing inner circle 5 of four end points formation is slightly less than the diameter (as shown in Figure 2) of tubing to be ground, and elasticity grinding member 4 according to the variation of the diameter of tubing to be ground strain can occur.
As shown in Figure 3, the diameter at the middle part of foreign steamer 3 is greater than the diameter at two ends, external peripheral surface at the middle part offers vee-belt groove 6, be used for external belt drive system, the diameter at foreign steamer 3 two ends is little, be used for installing spring bearing, spring bearing positions by one section large end face of foreign steamer middle part diameter.
As shown in Figure 4, interior 1 the length of taking turns is less than nested 2 length, and nested 2 length is less than the length of foreign steamer 3.Interiorly take turns 1 and snap in the foreign steamer with nested 2 sides from foreign steamer 3, then by taking turns 1 and be fixed in the foreign steamer 3 with nested 2 interior at the annular cover plate 7 of a side of foreign steamer 3.At the inner wall even distribution of foreign steamer 3 groove 8 of 3 strips is arranged, the end sealing of groove 8, an other end opening, opening is concordant with the end face of foreign steamer 3.Nested 2 length is less than the length of foreign steamer 3, one-body molded on nested 2 the external peripheral surface three positioning keys 9 that cooperate with groove 8 on the foreign steamer are arranged, one end of positioning key 9 is connected to the end of groove 8, and the other end is concordant with nested 2 end face, and the length of positioning key 9 is less than the length of groove 8.Inner circumferential surface nested 3 be evenly equipped with four with nested 3 integrated locating slots 10, take turns interior that 1 inner circumferential surface is one-body molded four projections 11 that cooperate with locating slot 10, the length of projection 11 is less than the length of locating slot 10.Foreign steamer 3 and nested 2 by groove 8 and positioning key 9 cooperate the location fixing, nested 2 and interior take turns 1 fixing by the cooperation location of locating slot 10 and projection 11.Foreign steamer 3, nested 2 and interior take turns 1 mutually the location fixing after, utilize annular cover plate 7 that the three is fastened, offer screw hole 12 at the end face of foreign steamer 3, by screw 13 annular cover plate 7 is locked on the foreign steamer 3, thus with foreign steamer 3, nested 2 and interior take turns 1 fixing.
As shown in Figure 5, interior take turns 1 be by spring steel through stamping forming ring bodies, interior 1 the wall thickness of taking turns is 1mm, at the interior one-body molded flexible grinding member 4 of 1 inwall of taking turns, interior 1 the wall thickness of taking turns is thinner, can guarantee that integrated elasticity grinding member 4 possesses preferably elasticity.Be evenly equipped with four rectangular windows 14 at interior 1 the circumferential surface of taking turns, three limits of the window page or leaf of window 14 and window break away from, only have on one side and link to each other with window 14, and turn in the heart in the inside wheel of window page or leaf and form support spring sheet 15, the arc length of support spring sheet 15 is 8mm, and support spring sheet 15 and interior angle of taking turns between 1 are 25 °.
As shown in Figure 6, the end points of support spring sheet 15 forms the diameter of processing inner circle 5 less than the diameter of tubing to be processed.At the inner surface of support spring sheet 15 by the gluing grinding paster 16 that posts of epoxide resin AB, the length of grinding paster 16 is greater than the length of support spring sheet 15, if four grinding pasters 16 are stitched together, the circumferential surface of its formation is slightly less than interior 1 the inner circumferential surface of taking turns, grinding paster 16 can well wrap the external peripheral surface of tubing to be ground, carries out grinding.
As shown in Figure 7, interior projection 11 of taking turns on 1 is interlaced arrangement with interior 1 the window 14 of taking turns, and an end of projection 11 originates in interior 1 the end face of taking turns, and the other end of projection 11 is positioned at takes turns 1 middle part.Basic and interior 1 the two ends of taking turns, the two ends of window 14 are concordant.The length of window 14 is greater than projection 11, i.e. the length of elasticity grinding member 4 and interior 1 the same length of taking turns guarantee maximum grinding face, the raising ground effect.
Shown in Fig. 8 and 9, foreign steamer 3 centers are through hole 17, the inner circumferential surface of foreign steamer 3 is evenly equipped with three grooves 8, groove 8 cooperates with the positioning key 9 of nested 2 external peripheral surface, the length of groove 8 is half of foreign steamer 3 length, end face at foreign steamer 3 is evenly equipped with three screw holes 12, is used for being connected by screw 13 with annular cover plate 7.
As shown in figure 10, foreign steamer 3 is divided into three sections, and the excircle diameter of a middle end is greater than two ends, two sections the excircle diameter at two ends is identical, two sections the wall thickness at two ends is 4mm, offers vee-belt groove 6 at the external peripheral surface of interlude, and two sections of two ends are used for installing spring bearing.
Shown in Figure 11 and 12 and 13, nested 2 is annular, and nested 2 wall thickness is 4mm, external peripheral surface nested 2 is evenly equipped with three positioning keys 9, inner circumferential surface nested 2 is evenly equipped with four locating slots 10, and positioning key 9 cooperates with the groove 8 of foreign steamer 3 inwalls, and the length of positioning key 9 is less than groove 8; Locating slot 10 cooperates with interior projection 11 of taking turns 1 outer wall, and the length of locating slot 10 is greater than the length of projection 11.
Shown in Figure 14,15 and 16, annular cover plate 7 is integrated by shellring, be positioned at the diameter minimum of the annular 18 of the most inboard ground floor, its Ring Width is identical with interior 1 the thickness of taking turns, annular 18 and interior 1 butt of taking turns of ground floor, external peripheral surface in the annular 18 of ground floor is evenly equipped with four the first positioning convex 19, the first positioning convex 19 cooperates with locating slot 10 on nested 2, the length of locating slot 10 equal the first positioning convex 19 and interior length of taking turns the projection 11 on 2 and, the first positioning convex 19 joins with the interior projection of taking turns 11.The diameter of the annular 20 of the second layer is placed in the middle in the shellring body, external peripheral surface in the annular 20 of the second layer is evenly equipped with three the second positioning convex 21, the second positioning convex 21 cooperates with groove 8 on the foreign steamer 3, the length of the length of positioning key 9 and the second positioning convex 21 and the length that equals the groove 8 of foreign steamer, the second positioning convex 21 joins with positioning key 9, the width of shellring shape 22 is identical with the end wall thickness of foreign steamer, shellring shape 22 is joined with the end face of foreign steamer 3, end face shellring shape 22 offers screw hole 12, is used for hold-down screw 13.As shown in figure 16, ground floor is annular, the annular thickness with shellring shape of the second layer is identical.The first positioning convex 19 on the annular cover plate 7 and the second positioning convex 21 with annular cover plate 7 with interior take turns 1, nested 2 and the relative position of foreign steamer 3 fix, then by screw 13 annular cover plate 7 is fixed on the end face of foreign steamer 3.
During use, by interiorly take turns, groove and projection between the nested and foreign steamer, the three is assembled, then in the end three is sealed annular cover plate as a whole.Front end is become the secondary segment of certain taper be connected with tubing, then secondary segment is inserted in the interior wheel of polishing, until tubing contacts with the abrasive material paster, drive motors drives foreign steamer by belt and rotates, two sections at foreign steamer are passed through bearings, because interior the wheel with foreign steamer is coaxial and interfixes, thereby the interior wheel of drive polishing and abrasive material paster rotate the uniform polish pipe outer surface together.In polishing process, tubing can not rotate, and only needs to promote the tubing motion that takes the air line, thus whole tubing of uniform polish.
Embodiment 2:
As shown in figure 17, a kind of polishing wheel comprises the interior wheel 1, nested 2 and foreign steamer 3 of coaxial and synchronous rotary.As different from Example 1, there is not annular cover plate 7 in the present embodiment, interior 1 the external peripheral surface of taking turns is evenly equipped with four and takes turns integrated four projections 11 and cooperate with locating slot 10 on nested by matched in clearance with interior, the length of projection 11 is identical with the length of locating slot 10, the positioning key 9 of nested 2 external peripheral surfaces is matched in clearance with the groove 8 of foreign steamer inwall, and the length of positioning key 9 is identical with the length of groove 8.In when assembling, with interior take turns embed nested in, both tight fits in like manner, will be equipped with in the interior nested embedding foreign steamer of taking turns, so that three's tight fit can not become flexible again.