CN202910735U - Vertical environment-friendly belt sander - Google Patents

Abstract

The utility model provides a vertical environment-friendly belt sander and belongs to the technical field of operation. The vertical environment-friendly belt sander solves the problem of sand grain and dust collection difficulty of an existing vertical environment-friendly belt sander. The vertical environment-friendly belt sander comprises a motor, an abrasive belt, a driving wheel, a driven wheel, a box, a support rod and a dust collection assembly. The lower end of the support rod is fixedly connected with the top surface of the box, the driven wheel is located above the box, a support shaft is positioned at the center of the driven wheel, the support shaft and the support rod are connected through a first adjusting connecting structure which can at least adjust the axis of the support shaft to a state of overlapping with the horizontal plane, the top surface of the box is provided with an abdicating dust collection port for the abrasive belt to penetrate and for materials generated by grinding to enter an inner cavity of the box, and one side wall of the box is provided with an air sucking port capable of being communicated with an air sucking mechanism. The vertical environment-friendly belt sander has the advantages of being high in dust collection efficiency and simple and compact in structure. The weight of the driving wheel and the motor which are necessary in the belt sander can be effectively utilized.

Description

The vertical environment-friendly belt sander

Technical field

The utility model belongs to the operation technique field, relates to a kind of belt sander, particularly a kind of vertical environment-friendly belt sander.

Background technology

Belt sander is for the grinding work piece outer surface, improves the device of workpiece fineness.Adopt belt sander processing to have advantages of that production efficiency is high and product percent of pass is high; Be widely used in thus every field, especially in five metals, hot-water heating and the furniture industry.

The kind of belt sander is more, such as a kind of flat grinding abrasive belt polishing machine [application number: 200610118511.9 that proposes before the applicant; Granted publication number: CN1962191B], comprise a frame with workbench, frame is provided with the rotating shaft that links to each other with actuating unit, be connected with driving wheel in the rotating shaft, also be provided with driven pulley and regulating wheel on the frame, be socketed with the abrasive band on driving wheel, driven pulley and the regulating wheel, above-mentioned workbench is close to the abrasive band and be arranged in parallel with the abrasive band, frame is provided with column, and above-mentioned regulating wheel is located at the column place, and is provided with the tensioning apparatus that regulating wheel is moved between regulating wheel and column.When utilizing this polishing machine grinding work piece, workpiece is fixed on the workbench, and face to be ground is necessary for horizontal plane, finishes the feeding of workpiece ground by self-powered platform.

Tape-alternation mechanism [the application number: 01254790.5 of a kind of abrasive band plate glazing calender that and for example proposes before the applicant; Granted publication number: CN2505230Y], the abrasive band plate glazing calender is comprised of body, motor, driving wheel and driven pulley, and driving wheel and driven pulley all are fixed on the body and all and are positioned on the same level.When utilizing this polishing machine grinding work piece, offhand is pressed in the surface in abrasive band from the top down, finishes simultaneously thus fixing the and feeding to workpiece.

All do not possess dust-collecting mechanism in above-mentioned two kinds of belt sanders, can produce a large amount of powder when utilizing the grinding of this belt sander, and can fly upward along with air, this is not only to environment, and directly affects the healthy of work.Particularly copper spare product in the copper that the produces ash suction body, can cause the various diseases such as pulmonary tuberculosis.

A kind of vertical abrasive belt grinder [application number: 00259206.1 of the applicant of TaiWan, China design and for example; Granted publication number: CN2449871Y], above board, establish the object disposing platform of an adjustable lifting, establish again a vertical type shelf in board one side, set at the vertical type shelf epimere and to establish wheel, establish wheel on the vertical type shelf top, establish wheel by two and establish one group of abrasive band, and coat isolation and manifest dewiness below only making the abrasive band with a protecting box, establish one on the protecting box top and take over to be connected dust-collecting equipment, lower the belt pulley of establishing the linking of wheel one end cooperates a driving belt to link the motor of board inside.When utilizing this vertical abrasive belt grinder grinding work piece, workpiece is fixed on the object disposing platform, realizes the feeding of workpiece by controlling object disposing platform; This grinder is to utilize the abrasive band that appears shape to carry out grinding.Put down in writing according to specification, although this vertical abrasive belt grinder can produce the automatic calibration effect, and be provided with dust-collecting equipment, but when collecting the material of grinding generation, still exist following defective: during grinding work piece, workpiece and abrasive band friction not only can produce tiny dust, even smog, and the sand grains that is attached to the blank blank surface workpiece can be cast the time grinds, and the relative larger powder of dust; Although this amary tape grinding machine is provided with dust-collecting equipment, dust-collecting equipment is inserted in from the top down with respect to the abrasive band, so that this dust-collecting equipment only can be collected effectively to dust and smog, avoids diffusion; But can't suck dust-collecting equipment because the weight of sand grains and powder is heavier, so exist the material collection hard problem that can't be inhaled into dust-collecting equipment to sand grains and powder etc.If workpiece is metalwork, especially copper fitting, contain in large quantities metal in the powder, metal is carried out recycling be very important.

Above-mentioned belt sander exists following defective in abrasive band transmission and tensioning, and 1, because the length model in abrasive band is more, such as 2.2 meters, 2.4 meters etc.; Obviously this structure can't be adjusted two spacings of establishing between the wheel significantly, and namely this grinder can't be fit to the different length abrasive band.2, establish and to need the relation adjusted more between the wheel for two, such as the levelness in vertical spacing, level interval, axle center, the depth of parallelism between two axle center etc., this grinder can't be adjusted two some relation of establishing between the wheel, must guarantee by guaranteeing parts precision and assembly precision, so just improve production cost and be unfavorable for maintenance and adjustment afterwards.

Summary of the invention

The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of vertical environment-friendly belt sander that solves sand grains and dust collection difficult problem.

The purpose of this utility model can realize by following technical proposal: this vertical environment-friendly belt sander, comprise a motor, a ringwise abrasive band, a driving wheel that is arranged on the endless abrasive belt inboard and a driven pulley, it is characterized in that, this vertical environment-friendly belt sander also comprises a casing and a support bar, and described cabinets cavity bottom is provided with a collection assembly of dust; Described driving wheel is fixedly connected with machine shaft, and electric machine casing is positioned on the casing and the machine shaft axle center is positioned on the horizontal plane; Described driving wheel and motor all are positioned at casing and all are positioned at the top of collection assembly of dust; Described support bar lower end is fixedly connected with box top, and described driven pulley is positioned at the casing top; Described driven pulley centralized positioning has a back shaft, and described back shaft is connected by the back shaft axle center being adjusted to the adjustment connecting structure one of horizontal plane overlap condition at least with post upper section; Have on the described box top for the abrasive band and wear and for the dust collecting opening of stepping down that the material that grinding produces enters cabinets cavity, have the inlet scoop that can link with air suction mechanism on the sidewall of described casing.

The belt sander driven pulley is positioned at the top of driving wheel, and this belt sander is vertical thus.The abrasive band penetrates from the top down with respect to casing; The dust that grinding produces when utilizing thus this belt sander grinding work piece and smog are discharged in the dust collecting opening suction casing of stepping down and from the inlet scoop under the air suction mechanism effect, can process through chalk dust removing smoke removing device at last.Sand grains and powder that grinding produces fall in the casing from the dust collecting opening of stepping down under Action of Gravity Field and air suction mechanism effect; Because the air-flow in the casing is lower with respect to the air-flow of the dust collecting opening of stepping down, sand grains and powder naturally sedimentation fall in the collection assembly of dust; Effectively be convenient for people to thus the materials such as sand grains and powder are collected, processed and recycling etc.

In above-mentioned vertical environment-friendly belt sander, described abrasive band is between driving wheel and driven pulley and relatively to be positioned at driving wheel one side be the grinding section, and being positioned at the driving wheel opposite side is non-grinding section; The grinding section moves downward when move in described abrasive band.Make the materials such as sand grains, dust, powder all have downward inertia force during the sbrasive belt grinding workpiece, effectively improved thus the dust catching efficiency of this dust collect plant.

In above-mentioned vertical environment-friendly belt sander, described adjustment connecting structure one comprises depth of parallelism adjusting bracket and the sliding sleeve one that is set on the support bar; Be threaded on the described sliding sleeve one and sliding sleeve one can be locked at locking bolt one on the support bar; Described depth of parallelism adjusting bracket is fixedly connected with sliding sleeve one, and an end and the depth of parallelism adjusting bracket of described back shaft are hinged; Be provided with the adjusting part that the back shaft other end is swung around pin joint between the other end and the depth of parallelism adjusting bracket.According to the abrasive band of different length, can move vertical interval between adjustment driven pulley and the driving wheel by screwing locking bolt one and promoting sliding sleeve one, make vertical interval meet abrasive band tensioning requirement.By handling adjusting part the back shaft other end is swung around pin joint, the axle center of back shaft can be adjusted to thus and be on the horizontal plane; And then guarantee that the abrasive band stably moves, stop to take off zoning.

In above-mentioned vertical environment-friendly belt sander, described adjustment connecting structure one comprises depth of parallelism adjusting bracket, horizontally disposed cross bar one and is set in sliding sleeve one on the support bar; Be threaded on the described sliding sleeve one and sliding sleeve one can be locked at locking bolt one on the support bar; Described cross bar one is between depth of parallelism adjusting bracket and support bar, cross bar is held one by one with depth of parallelism adjusting bracket and is fixedly connected with, have on the cross bar one along it fixing hole one that is strip vertically is set, be equipped with two set bolts one in the described fixing hole one, cross bar one is fixedly connected with sliding sleeve one by set bolt one; One end and the depth of parallelism adjusting bracket of described back shaft are hinged; Be provided with the adjusting part that the back shaft other end is swung around pin joint between the other end and the depth of parallelism adjusting bracket.Angle between the axle center of vertical interval and back shaft and the horizontal plane between this adjustment connecting structure one decapacitation adjustment driven pulley and the driving wheel, simultaneously by screwing level interval between set bolt one and push-and-pull cross bar one adjustment driven pulley and the driving wheel, the sbrasive belt grinding section is overlapped with respect to vertical plane or and vertical plane between have angle, to satisfy processing different workpieces grinding face.

In above-mentioned vertical environment-friendly belt sander, described cross bar one by one end has cylindrical fixing hole two, has the fixing hole of the penetrating two interior cylindrical sections that are fixedly connected with on the described depth of parallelism adjusting bracket; Described cross bar one by one end is threaded connection the set bolt two that can will the section of being fixedly connected be locked on the cross bar one; The vertical setting of vertical line of described back shaft axle center and cross bar one.

In above-mentioned vertical environment-friendly belt sander, described adjusting part comprise be positioned on the depth of parallelism adjusting bracket and with the equal stopper slot one to one of the position, the other end of back shaft and size, the other end downside of described back shaft is provided with depth of parallelism adjusting bolt, described depth of parallelism adjusting bolt is connected with depth of parallelism adjusting bracket by screw thread, and the other end downside of the head of depth of parallelism adjusting bolt and back shaft leans.Change the length that it passes depth of parallelism adjusting bracket by screwing depth of parallelism adjusting bolt, the depth of parallelism adjusting bolt promotion back shaft other end moves realizes that the back shaft other end swings around pin joint.

In above-mentioned vertical environment-friendly belt sander, the lower surface of described support bar is fixed with a disk, described support bar is positioned at the center of disk, at least have two on the described disk and be circular-arc fixing hole three, the circular arc center of circle of fixing hole three and the center superposition of disk, each described fixing hole three is interior all to be equipped with a set bolt three, and described disk is fixedly connected with casing by set bolt one.By screwing that set bolt three and rotary supporting rod are adjusted the back shaft axle center relatively and angle between the driving wheel axle center, the back shaft axle center can be adjusted to the driving wheel axle center in the same plane.

In above-mentioned vertical environment-friendly belt sander, described casing is front side wall with the sand of grinding section facing to identical sidewall, described casing front side wall one side edge part and an above-mentioned side edge part adjacent wall are hinged by hinge, and front side wall opposite side edge is connected by phase-locked with above-mentioned opposite side edge adjacent wall; Described inlet scoop is positioned on the rear wall.This structure is convenient to be fit into casing with parts such as collection assembly of dust, motor and driving wheels, simultaneously also convenient materials such as the sand grains collected, powder that take out.

In above-mentioned vertical environment-friendly belt sander, described collection assembly of dust comprises the control of dust drawer one that is placed on the cabinets cavity bottom surface, and the top of described control of dust drawer one is provided with and is funnelform dust hopper one; The portlet of described dust hopper one is positioned at the below, and described dust hopper one is fixedly connected with casing.

In above-mentioned vertical environment-friendly belt sander, the described disposal box rear wall outside is provided with a ventilation duct that is connected with the inlet scoop, the air inlet place of described ventilation duct is fixed with connecting plate, is fixed with two press strips that make connecting plate and rear wall lean and ventilation duct is moved horizontally on the rear wall of described disposal box.The adapter diameter that the air suction mechanism of different model is connected from ventilation duct is different, can take over the ventilation duct that the diameter selection is complementary with it according to reality thus, namely by changing ventilation duct this dust collect plant can be complementary from different air suction mechanisms.Only need when changing ventilation duct vertically to draw connecting plate along press strip, just ventilation duct can be unloaded; The different-diameter ventilation duct is vertically pushed away connecting plate along press strip just ventilation duct can be packed into, have thus and change easily advantage.

In above-mentioned vertical environment-friendly belt sander, the top of described casing is provided with a dust hopper two, the passage of dust hopper two is passed in described abrasive band, the portlet of described dust hopper two is positioned at the below, the portlet of described dust hopper two is oppositely arranged with the dust collecting opening of stepping down, and described dust hopper two is fixedly connected with box sealing.The large port area of dust hopper two namely effectively increases and collects sand grains and powder area greater than the dust collecting opening area of stepping down, and sand grains and powder fall on dust hopper two madial walls can enter casing from the dust collecting opening landing of stepping down, and avoids the diffusion of sand grains and powder.

In above-mentioned vertical environment-friendly belt sander, described abrasive band non-grinding section rear side is provided with a dust gathering arrester that is strip and vertically arranges, and an end of described dust gathering arrester is to downward-extension and extend to the dust collecting opening place that steps down, and the other end extends upward and walk around driven pulley.Dust gathering arrester is set effectively protects the abrasive band, can effectively reduce the materials such as dust, powder to external diffusion simultaneously.

In above-mentioned vertical environment-friendly belt sander, described dust gathering arrester has the cover body that is strip and is positioned at the cover body both sides and relative cover body vertically arranges flank.The intensity that flank has namely improved dust gathering arrester is set, also can reduces the materials such as dust, powder to external diffusion simultaneously.

In above-mentioned vertical environment-friendly belt sander, the upper end of described dust gathering arrester is fixedly connected with sliding sleeve one.Adjust up and down the position when sliding sleeve one and can drive synchronously the dust gathering arrester motion, adjust synchronously the position of dust gathering arrester when guaranteeing to adjust the driven pulley position.

In above-mentioned vertical environment-friendly belt sander, the bottom of described dust gathering arrester has the fixing hole four of vertical setting, is equipped with set bolt four in the described fixing hole four, and the bottom of described dust gathering arrester is fixedly connected with dust hopper two by set bolt four.This structure namely can improve the fixing fastness of dust gathering arrester, does not affect again dust gathering arrester simultaneously and adjusts synchronously with driven pulley.

In above-mentioned vertical environment-friendly belt sander, be provided with body cradle between described electric machine casing and the collection assembly of dust; Described electric machine casing is fixed on the body cradle, and edge and casing that body cradle is positioned at machine shaft one side are hinged; Be fixed with on the described casing be used to the block piece that limits described body cradle and be positioned at the downward oscillating stroke in edge of machine shaft opposite side.

The abrasive band of this belt sander idle running or when static, body cradle is under motor gravity, driving wheel gravity and self gravitation effect, the edge that body cradle is positioned at the machine shaft opposite side has the trend that moves downward, until be resisted against on the block piece, realizes the static tensioning in abrasive band.

During this belt sander grinding work piece, workpiece compressing abrasive band forces the abrasive band crooked, and then the edge that forces body cradle to be positioned at the machine shaft opposite side overcomes above-mentioned gravity and moves up; Make pitch smaller between driving wheel and the driven pulley, avoid the abrasive band to open disconnected; The edge that body cradle is positioned at the machine shaft opposite side after removing workpiece is resisted against again on the block piece under above-mentioned Action of Gravity Field; Realize thus the dynamic tension in abrasive band.

When need were changed the abrasive band, upwards lifted the edge that can directly body cradle be positioned at the machine shaft opposite side, shortens spacing between driving wheel and the driven pulley, makes the abrasive band be in relaxed state, and then at an easy rate the old sand band is taken off, and new abrasive band is loaded onto.

In above-mentioned vertical environment-friendly belt sander, the edge that described body cradle is positioned at the machine shaft opposite side is positioned at the edge of machine shaft one side near the casing front side wall than body cradle.

In above-mentioned vertical environment-friendly belt sander, described body cradle is provided with the edge that can make described body cradle be positioned at the machine shaft opposite side all the time and has the spring that is resisted against movement tendency on the block piece between the edge of machine shaft opposite side and casing.Spring is set be used for increases the downward active force in end that body cradle is positioned at the machine shaft opposite side, to reach stress balance, stress balance during grinding work piece especially.Spring produces downward active force and increases with hypotelorism between driving wheel and the driven pulley.

In above-mentioned vertical environment-friendly belt sander, the edge that described body cradle is positioned at machine shaft one side is fixed with one and is horizontally disposed with jointed shaft, and the two ends of described jointed shaft all are located by connecting by bearing one and bearing block and casing.Body cradle swings around jointed shaft, owing to jointed shaft is horizontally disposed with, so the axle center of machine shaft is positioned on the horizontal plane all the time in the time of can guaranteeing the body cradle swing.Jointed shaft links to each other with frame with bearing block by bearing, then have advantages of be connected firmly, rotate flexible and stable.

In above-mentioned vertical environment-friendly belt sander, when described body cradle was positioned at the edge of machine shaft opposite side and block piece and leans, the edge that described body cradle is positioned at the machine shaft opposite side was lower than the edge that body cradle is positioned at machine shaft one side.This structure can improve body cradle and be positioned at the downward active force in edge of machine shaft opposite side and improve the edge that body cradle is positioned at the machine shaft opposite side and move downward the trend ability.

In above-mentioned vertical environment-friendly belt sander, when described body cradle was positioned at the edge of machine shaft opposite side and block piece and leans, it was 8 °～20 ° that body cradle is inclined relative to horizontal angle.

In above-mentioned vertical environment-friendly belt sander, described electric machine casing is fixed on the middle part of body cradle or is positioned at the place, edge of machine shaft opposite side near described body cradle.

In above-mentioned vertical environment-friendly belt sander, the edge that described body cradle is positioned at the machine shaft opposite side is fixed with handle.People are applied to power on the handle when changing the abrasive band, to improve the comfortableness of people's application of force.

In above-mentioned vertical environment-friendly belt sander, the end that described body cradle is positioned at the machine shaft opposite side is fixed with one against body, and described below against body is provided with a cam, the wheel face of described cam with lean against body; Be positioned with a control lever shaft on the described casing, an end of described control lever shaft is fixedly connected with cam, and the other end passes casing and is fixed with pedal or hand lever.People are by trampling pedal or pulling hand lever when changing the abrasive band, make the concentric wheel face of cam and lean against body gradually to the eccentric wheel face of cam and the transition that leans against body, until the apical margin of the eccentric wheel face of cam with lean against body, this moment, body cradle was positioned at the edge disengaging block piece of machine shaft opposite side, and was in self-locking state; Be convenient for people to thus change the abrasive band.

In above-mentioned vertical environment-friendly belt sander, the sidepiece of described control lever shaft is provided with one with respect to the vertically disposed extension spring connecting rod of control lever shaft, one end of described extension spring connecting rod is fixedly connected with control stick, has with the extension spring of the movement tendency that leans against body by the nebenkern mask that can make all the time cam between the other end and the casing to be connected.

In above-mentioned vertical environment-friendly belt sander, described sbrasive belt grinding section rear side be provided with for the back side, abrasive band against by grinding part, describedly be connected with a connecting axle by mill on the part, be connected by regulating by the adjustment connecting structure two that grinds spacing between part and the back side, abrasive band and connecting axle can be fixed on the support bar between described connecting axle and the support bar.

When using, belt sander adjusts the abrasive band state according to practical work piece, such as the spacing between driven pulley and the driving wheel, owing to being connected by adjustment connecting structure two between connecting axle and the support bar, therefore can adjusting adaptively with the abrasive band by mill part position, and then meet the grinding work piece requirement.

In above-mentioned vertical environment-friendly belt sander, described adjustment connecting structure two comprises a horizontally disposed cross bar two, and the vertical line of described cross bar two vertically arranges with respect to the axle center of connecting axle; Offer on the described cross bar two along it and vertically offer a fixing hole five that is strip, be equipped with two set bolts five in the described fixing hole five, described cross bar two is fixedly connected with support bar by set bolt five.Adjust by spacing between mill part and the abrasive band by screwing set bolt five and push-and-pull cross bar two, can make by having the gap between mill part and the abrasive band, or by between mill part and the abrasive band just against, or by between mill part and the abrasive band against and promote the abrasive band and make the bending of grinding section.

In above-mentioned vertical environment-friendly belt sander, described adjustment connecting structure two comprises a horizontally disposed cross bar two and the sliding sleeve two that is set on the support bar, is threaded connection the locking bolt two that sliding sleeve two lockings can be fixed on the support bar on the sliding sleeve two; The vertical line of described cross bar two vertically arranges with respect to the axle center of connecting axle; Offer on the described cross bar two along it and vertically offer a fixing hole five that is strip, be equipped with two set bolts five in the described fixing hole five, described cross bar two is fixedly connected with sliding sleeve two by set bolt five.This adjustment connecting structure one can not only be adjusted by spacing between mill part and the abrasive band, and can also be by screwing locking bolt two and push-and-pull sliding sleeve two adjustment supporters with respect to the driving wheel vertical spacing; And then satisfy the different situation of grinding position between different workpieces and the abrasive band.

In above-mentioned vertical environment-friendly belt sander, describedly comprise that by the mill part one is tabular substrate, a plate is facing to being fixed with the wear plate that covers above-mentioned plate face on the back side, abrasive band and the described substrate; Described connecting axle is fixedly connected with another plate face of substrate.This is suitable for the processing work grinding face by the mill part is the plane.Wear plate is set avoids abrasive band and substrate to rub, and then wounded substrate; Wear plate with respect to the wearability of substrate and and the abrasive band between coefficient of friction less, so wear plate is a wearing detail.

In above-mentioned vertical environment-friendly belt sander, the two ends of described wear plate all extend around another plate face of counterpart substrate end face and described substrate and are fixedly connected with by fastening bolt.This structure has that fixedly the wear plate mode is simple, and changes easily advantage of wear plate.

In above-mentioned vertical environment-friendly belt sander, described wear plate employing elastomeric material is made or wear plate comprises that the substrate that adopts elastomeric material to make adopts ceramic increasing of making to grind layer with being coated on the substrate abutment face.

In above-mentioned vertical environment-friendly belt sander, another plate face of described substrate is fixedly connected with tube connector in a tubular form, described tube connector is set on the connecting axle, is threaded connection on the described tube connector to make the locking bolt three that is fastened on the connecting axle.Can adjust angle between substrate surface and the sbrasive belt grinding section by screwing locking bolt three and rotational substrate, can adjust with the abrasive band adjustment, guarantee that substrate surface is parallel with the sbrasive belt grinding section.

In above-mentioned vertical environment-friendly belt sander, described is a cylindrical emery wheel that leans on by the mill part, and described being set on the connecting axle and by emery wheel by emery wheel is connected by bearing two with connecting axle.This is by the applicable processing curve of mill part.

In above-mentioned vertical environment-friendly belt sander, described sbrasive belt grinding section front side is provided with the horizontally disposed working plate of an energy, and working plate is positioned at the large port place of dust hopper two; Between described working plate and the dust hopper two by at least can the residing plane of adjusting operating platform plate plate face and the residing plane of sbrasive belt grinding section sand face between corner dimension and when regulating the residing plane of plate face of working plate be connected with the adjustment connecting structure three that the residing Plane intersects line of sbrasive belt grinding section sand face is positioned on the horizontal plane all the time.

The working plate plate face of this workbench can be adjusted according to the corner dimension between workpiece grinding face and the locating surface neatly with respect to the angle between the sbrasive belt grinding section, in general, with working plate plate face with respect to the corner dimension between the sbrasive belt grinding section be adjusted to workpiece grinding face and locating surface between corner dimension identical.

Locating surface is resisted against on the working plate plate face during processing work, promotes to the abrasive band gradually.Have auxiliary positioning when people control workpiece, and then improve the stability of fixation workpiece, move along working plate plate face during workpiece movable simultaneously, also improved the stability of workpiece feeding.Add man-hour take working plate plate face as datum level, this has also improved machining accuracy effectively.

In above-mentioned vertical environment-friendly belt sander, the both ends that described adjustment connecting structure three comprises working plate are the downward connecting portion of turnover all, all is connected by bolt and nut between two connecting portions and the dust hopper two; The axle center of bolt is positioned on the same level and with same straight line and overlaps in two groups of bolt and nuts.Adjust working plate plate face with respect to the corner dimension between the sbrasive belt grinding section by screwing bolt and nut and swinging working plate.

In above-mentioned vertical environment-friendly belt sander, the both ends that described adjustment connecting structure three comprises working plate are the downward connecting portion of turnover all, all is connected by bolt and nut between two connecting portions and the dust hopper two; The axle center of bolt is positioned on the same level and with same straight line and overlaps in two groups of bolt and nuts; Described dust hopper two have two with the bolt and nut position chute of corresponding setting one by one, the chute vertical line is vertical with the residing Plane intersects line of sbrasive belt grinding section sand face with the residing plane of plate face of above-mentioned working plate; Bolt is embedded in chute in the bolt and nut.This adjustment connecting structure three can not only be adjusted working plate plate face with respect to the corner dimension between the sbrasive belt grinding section, can also adjust spacing between working plate and the sbrasive belt grinding section by the push-and-pull working plate.

In above-mentioned vertical environment-friendly belt sander, described driven pulley front upper place is provided with light fixture, is provided with bellows between light fixture and the support bar, and described light fixture is fixedly connected with the top of support bar by above-mentioned bellows.Being provided with light fixture in the driven pulley front upper place namely can not affect processing work, and light shines from the top down, can improve abrasive band and workpiece against the brightness of locating.Also conveniently check simultaneously workpiece grinding face machining state.Connect by bellows and automatically to be positioned after making light fixture be shifted and to be shifted.

In above-mentioned vertical environment-friendly belt sander, described support bar is hollow-core construction, and described light fixture is connected with wire, and described wire passes successively bellows and support bar and penetrates casing; Be provided with the power line that is connected with the external world in the described casing, described power line is connected with motor, and described wire is connected with power line.This structure is protected wire effectively, avoids occuring the accidents such as electric leakage, has also improved belt sander outward appearance cleaning simultaneously.

In above-mentioned vertical environment-friendly belt sander, described support bar is a square bar or comprises square bar one and square bar two, described square bar one lower end is fixedly connected with casing, described square bar two is located in the upper end of square bar one, and the upper end of described square bar one is threaded connection the locking bolt four that square bar two can be locked on the square bar one; Sliding sleeve one is set on the square bar two.This structure has improved vertical spacing adjusting range between driven pulley and the driving wheel.

Compared with prior art, this vertical environment-friendly belt sander arranges casing, collection assembly of dust, the second-class parts of dust hopper in the bottom, abrasive band, the material such as powder, the grains of sand can automatically fall in the casing under Action of Gravity Field, and the materials such as dust, smog can suck in the casing under the air suction mechanism effect; Just can collect all substances so at belt sander a dust collect plant is set.

Under the abrasive band operation active force, under air suction mechanism and dust hopper two effects, under the dust gathering arrester effect and grinding area be positioned at the structure such as dust hopper two large port places and all make these vertical abrasive band facility that high, the simple in structure and compact advantage of dust catching efficiency is arranged.

In time in the past, in belt sander manufacturing technology field, the technical staff generally believes and adopts initiatively tensioning meeting to cause that drive mechanism becomes more complicated between actuator and the driving wheel, the driving wheel location is more difficult, cause the abrasive band tensile force not or abrasive band operation section problem stably, this causes people not go to consider otherwise possibility, hinders people to the research and development of this technical field.Compared with prior art, this belt sander adopts driving wheel tensioning abrasive band, has overcome available technology adopting regulating wheel or driven pulley and has carried out the tensioning abrasive band, and adopted regulating wheel or driven pulley to carry out the technical problem that the tensioning abrasive band exists.This belt sander has effectively utilized the motor that must possess in the belt sander and the weight of driving wheel.

This belt sander by mill part kind are fit to the difform workpiece of processing more, utilize simultaneously this belt sander processing work to have a workpiece stability of controlling high, the advantage that workpiece accuracy is high.In this belt sander by the mill part can regulate height with respect to ground, with respect to the angle of sbrasive belt grinding section and/or with respect to the spacing of sbrasive belt grinding section, can cooperate with the abrasive band under the free position.

The locating surface of workpiece and working plate plate face lean and control workpiece when utilizing this belt sander processing work, and be close to the abrasive band gradually along working plate plate face, until the back side in abrasive band and supporter lean.Hence one can see that, and working plate has the effect of auxiliary positioning workpiece, has the auxiliary angular dimension of determining between workpiece grinding face and the locating surface, has that feeding play the guiding role to workpiece.

The adjusting device of this belt sander driven pulley can be regulated back shaft axle center angle with respect to the horizontal plane, and can also regulate between back shaft axle center and the driving wheel axle center angle with respect to perpendicular and horizontal plane, and is stable to guarantee the abrasive band.It is all relatively independent that the adjusting device of this belt sander driven pulley is regulated the adjustment structure of driven pulley or each state of back shaft, so that state is undesirable, namely this corresponding structure is regulated, and has advantages of thus easy to adjust.

Description of drawings

Fig. 1 is the perspective view of this vertical environment-friendly belt sander.

Fig. 2 is another visual angle perspective view of this vertical environment-friendly belt sander.

Fig. 3 is the perspective structure schematic diagram of partial structurtes among Fig. 1.

Fig. 4 is working plate place sectional structure schematic diagram in this vertical environment-friendly belt sander.

Fig. 5 is the dust collecting opening place sectional structure schematic diagram of stepping down in this vertical environment-friendly belt sander.

Fig. 6 is the perspective view at adjusting part place in this vertical environment-friendly belt sander.

Fig. 7 is support bar and box body connecting structure schematic diagram in this vertical environment-friendly belt sander.

Fig. 8 is support bar place broken section structural representation in this vertical environment-friendly belt sander.

Fig. 9 is by mill part the first structural representation in this vertical environment-friendly belt sander.

Figure 10 is by mill part the second structural representation in this vertical environment-friendly belt sander.

Figure 11 is this vertical environment-friendly belt sander grinding work piece the first scenario-frame schematic diagram.

Figure 12 is this vertical environment-friendly belt sander grinding work piece first scheme structural representation.

Figure 13 is the third scenario-frame schematic diagram of this vertical environment-friendly belt sander grinding work piece.

Figure 14 is the 4th kind of scenario-frame schematic diagram of this vertical environment-friendly belt sander grinding work piece.

Figure 15 is the 5th kind of scenario-frame schematic diagram of this vertical environment-friendly belt sander grinding work piece.

Figure 16 is the 6th kind of scenario-frame schematic diagram of this vertical environment-friendly belt sander grinding work piece.

Figure 17 is control lever shaft place structural representation in this vertical environment-friendly belt sander.

Among the figure, 1, casing; 1a, front side wall; 1b, hinge; 1c, lock; 1d, the dust collecting opening of stepping down; 1e, inlet scoop; 1f, rear wall; 1g, ventilation duct; 1h, connecting plate; 1i, press strip; 1j, feet; 1k, bracing frame; 2, abrasive band; 2a, grinding section; 2b, non-grinding section; 3, support bar; 3a, disk; 3b, fixing hole three; 3c, set bolt three; 3d, square bar one; 3e, square bar two; 4, collection assembly of dust; 4a, control of dust drawer one; 4b, dust hopper one; 5, depth of parallelism adjusting bracket; 5a, be fixedly connected with section; 6, cross bar one; 6a, fixing hole one; 6b, set bolt one; 6c, set bolt two; 7, sliding sleeve one; 7a, locking bolt one; 8, adjusting part; 8a, stopper slot; 8b, depth of parallelism adjusting bolt; 9, dust gathering arrester; 9a, flank; 9b, fixing hole four; 9c, set bolt four; 10, motor; 11, driving wheel; 12, driven pulley; 13, body cradle; 14, block piece; 15, jointed shaft; 16, bearing one; 17, bearing block; 18, spring; 19, against body; 20, cam; 21, control lever shaft; 22, extension spring; 23, back shaft; 24, dust hopper two; 24a, chute; 25, connecting axle; 26, by the mill part; 26a, substrate; 26b, wear plate; 26c, fastening bolt; 26d, tube connector; 26e, locking bolt three; 26f, by emery wheel; 26g, bearing two; 27, cross bar two; 27a, fixing hole five; 27b, set bolt five; 28, sliding sleeve two; 28a, locking bolt two; 29, working plate; 29a, connecting portion; 29b, bolt and nut; 30, light fixture; 31, bellows; 32, wire; 33, locking bolt four; 34, hand lever; 35, workpiece.

The specific embodiment

Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

Such as Fig. 1, Fig. 2 and shown in Figure 3, this vertical environment-friendly belt sander comprises a casing 1, a motor 10, a ringwise abrasive band 2, a driving wheel 11, a driven pulley 12, a support bar 3, a collection assembly of dust 4.

Specifically, driving wheel 11 and driven pulley 12 all are positioned at the annular ring in abrasive band 2, and driven pulley 12 is positioned at the top of driving wheel 11.Abrasive band 2 is between driving wheel 11 and driven pulley 12 and relatively to be positioned at driving wheel 11 1 sides be grinding section 2a, and being positioned at driving wheel 11 opposite sides is non-grinding section 2b.Motor 10 rotating shafts and driving wheel 11 are connected by key, and motor 10 drives driving wheels 11 and makes abrasive band 2 motions during the operation of this belt sander, and abrasive band 2 grinding section 2a move downward.

As shown in Figure 1 to Figure 3, casing 1 roughly is cubic.Casing 1 can directly be placed on the bottom surface, also can fix four feet 1j in casing 1 bottom surface, makes casing 1 bottom surface and bottom surface have a determining deviation, and then protection casing 1.

Casing 1 is front side wall 1a with the sand of grinding section 2a facing to identical sidewall, casing 1 front side wall 1a, one side edge part and an above-mentioned side edge part adjacent wall are hinged by hinge 1b, and front side wall 1a opposite side edge is connected by lock 1c with above-mentioned opposite side edge adjacent wall.Thus, casing 1 front side can be opened or closed according to actual conditions.

Have the dust collecting opening 1d that steps down that wears and enter for the material that grinding produces casing 1 inner chamber for abrasive band 2 on casing 1 end face, the dust collecting opening 1d that steps down that the present embodiment provides is rectangle.Have the inlet scoop 1e that can link with air suction mechanism on one sidewall of casing 1, air suction mechanism comprises blower fan and adapter.Above-mentioned inlet scoop 1e is positioned on the rear wall 1f, the disposal box rear wall 1f outside is provided with a ventilation duct 1g who is connected with inlet scoop 1e, the air inlet place of ventilation duct 1g is fixed with connecting plate 1h, is fixed with two press strip 1i that make connecting plate 1h and rear wall 1f lean and ventilation duct 1g is moved horizontally on the rear wall 1f of disposal box.According to actual conditions, can change neatly the ventilation duct 1g of different-diameter, and then can cooperate with the adapter of air suction mechanism.

As shown in Figure 3, collection assembly of dust 4 is arranged on casing 1 intracavity bottom; Collection assembly of dust 4 comprises control of dust drawer one 4a that is placed on the casing 1 inner chamber bottom surface, and the top of control of dust drawer one 4a is provided with and is funnelform dust hopper one 4b; The portlet of dust hopper one 4b is positioned at the below, and dust hopper one 4b is fixedly connected with casing 1.The sedimentation of the material such as sand grains and powder falls in dust hopper one 4b, and then landing realizes the collection of the materials such as sand grains and powder thus to control of dust drawer one 4a.

As shown in Figure 3, motor 10 and driving wheel 11 are arranged in casing 1 inner chamber and all are positioned at the top of collection assembly of dust 4; Motor 10 housings are positioned on the casing 1 and motor 10 rotating shaft cores are positioned on the horizontal plane; Guarantee that thus driving wheel 11 axle center are positioned on the horizontal plane, and then guarantee that driving wheel 11 rotates reposefully, avoid abrasive band 2 to break away from driving wheel 11.

As shown in Figure 3, be provided with body cradle 13 and bracing frame 1k between motor 10 housings and the collection assembly of dust 4; The dust hopper one bracing frame 1k of 4b large port place that bracing frame 1k is positioned at collection assembly of dust 4 all is fixedly connected with dust hopper one 4b with casing 1.Motor 10 housings are fixed on the body cradle 13, and edge and casing 1 that body cradle 13 is positioned at motor 10 rotating shafts one side are hinged; Be fixed with the block piece 14 that is positioned at the downward oscillating stroke in edge of motor 10 rotating shaft opposite sides for restriction body cradle 13 on the casing 1.Block piece 14 is a tabular or block structure.The edge that body cradle 13 is positioned at motor 10 rotating shaft opposite sides is positioned at the edge of motor 10 rotating shafts one side near casing 1 front side wall 1a than body cradle 13.

As shown in Figure 3, the edge that body cradle 13 is positioned at motor 10 rotating shafts one side is fixed with one and is horizontally disposed with jointed shaft 15, and the two ends of jointed shaft 15 all are located by connecting with bracing frame 1k by bearing 1 and bearing block 17.Be that bearing block 17 is bolted on the bracing frame 1k, jointed shaft 15 ends and bearing block 17 are connected by bearing.These structure assurance motor 10 rotating shafts are positioned on the horizontal plane and still are positioned at all the time on the horizontal plane when jointed shaft 15 swings; Guarantee that simultaneously body cradle 13 and bracing frame 1k are connected firmly, rotate flexibly and stablize.

As shown in Figure 3, be positioned at the downward active force in edge of motor 10 rotating shaft opposite sides in order to improve body cradle 13, can adopt following any one or multiple combination scheme: the first, when body cradle 13 was positioned at the edge of motor 10 rotating shaft opposite sides and block piece 14 and leans, the edge that body cradle 13 is positioned at motor 10 rotating shaft opposite sides was lower than the edge that body cradle 13 is positioned at motor 10 rotating shafts one side.When body cradle 13 was positioned at the edge of motor 10 rotating shaft opposite sides and block piece 14 and leans, it was 8 °～20 ° that body cradle 13 is inclined relative to horizontal angle.The second, motor 10 housings are fixed on the middle part of body cradle 13.According to actual conditions, motor 10 housings are fixed on the place, edge that body cradle 13 is positioned at motor 10 rotating shaft opposite sides.The third, body cradle 13 is provided with the edge that can make all the time body cradle 13 be positioned at motor 10 rotating shaft opposite sides and has the spring 18 that is resisted against movement tendency on the block piece 14 between the edge of motor 10 rotating shaft opposite sides and casing 1.Spring 18 is extension spring, and an end of extension spring is connected with casing 1 or dust hopper one 4b, and the other end is connected with the edge that body cradle 13 is positioned at motor 10 rotating shaft opposite sides.Contain the first, the second and the third scheme in the belt sander that this Figure of description provides.

Such as Fig. 3 and shown in Figure 17, in order upwards to lift the edge that is convenient for people to body cradle 13 is positioned at motor 10 rotating shaft opposite sides, and then be convenient for changing abrasive band 2, can adopt following any one scheme: the first: the edge that body cradle 13 is positioned at motor 10 rotating shaft opposite sides is fixed with handle.The second: the end that body cradle 13 is positioned at motor 10 rotating shaft opposite sides is fixed with one against body 19, is provided with a cam 20 against the below of body 19, the wheel face of cam 20 with lean against body 19; Be positioned with a control lever shaft 21 on the casing 1, an end of control lever shaft 21 is fixedly connected with cam 20, and the other end passes casing 1 and is fixed with pedal or hand lever 34.The sidepiece of control lever shaft 21 is provided with one with respect to control lever shaft 21 vertically disposed extension spring connecting rods, one end of extension spring connecting rod is fixedly connected with control stick, has with the extension spring 22 of the movement tendency that leans against body 19 by the nebenkern mask that can make all the time cam 20 between the other end and the casing 1 to be connected.The scheme that this Figure of description provides is the second.

Such as Fig. 1, Fig. 2 and shown in Figure 7, support bar 3 vertically arranges, support bar 3 lower surfaces are fixed with a disk 3a, support bar 3 is positioned at the center of disk 3a, at least have two on the disk 3a and be circular-arc fixing hole three 3b, the circular arc center of circle of fixing hole three 3b and the center superposition of disk 3a all are equipped with set bolt three 3c in each fixing hole three 3b, disk 3a is fixedly connected with casing 1 end face by set bolt one 6b.The fixing hole three 3b quantity that the present embodiment provides are four, and circumferentially evenly distribute along disk 3a axle center.

As depicted in figs. 1 and 2, driven pulley 12 is positioned at casing 1 top; Driven pulley 12 centralized positionings have a back shaft 23, and back shaft 23 is connected by back shaft 23 axle center being adjusted to the adjustment connecting structure one of horizontal plane overlap condition at least with support bar 3 upper ends.According to actual conditions, can select in following adjustment connecting structure one scheme any one.The first, adjustment connecting structure one comprise depth of parallelism adjusting bracket 5 and the sliding sleeve 1 that is set on the support bar 3; Be threaded on the sliding sleeve 1 and sliding sleeve 1 can be locked at locking bolt one 7a on the support bar 3; Depth of parallelism adjusting bracket 5 is fixedly connected with sliding sleeve 1, and an end and the depth of parallelism adjusting bracket 5 of back shaft 23 are hinged; Be provided with the adjusting part 8 that back shaft 23 other ends are swung around pin joint between the other end and the depth of parallelism adjusting bracket 5.The second, such as Fig. 1, Fig. 2 and shown in Figure 6, adjustment connecting structure one comprises depth of parallelism adjusting bracket 5, horizontally disposed cross bar 1 and is set in sliding sleeve 1 on the support bar 3; Be threaded on the sliding sleeve 1 and sliding sleeve 1 can be locked at locking bolt one 7a on the support bar 3; Cross bar 1 is between depth of parallelism adjusting bracket 5 and support bar 3, cross bar one 6 one ends are fixedly connected with depth of parallelism adjusting bracket 5, have on the cross bar 1 along it fixing hole one 6a that is strip vertically is set, be equipped with two set bolt one 6b in fixing hole one 6a, cross bar 1 is fixedly connected with sliding sleeve 1 by set bolt one 6b; One end and the depth of parallelism adjusting bracket 5 of back shaft 23 are hinged; Be provided with the adjusting part 8 that back shaft 23 other ends are swung around pin joint between the other end and the depth of parallelism adjusting bracket 5.Cross bar one 6 one ends have cylindrical fixing hole two, have the fixing hole of the penetrating two interior cylindrical 5a of section that are fixedly connected with on the depth of parallelism adjusting bracket 5; Cross bar one 6 one ends be threaded connection can will be fixedly connected with the 5a of section be locked at set bolt two 6c on the cross bar 1; The vertical setting of vertical line of back shaft 23 axle center and cross bar 1.The scheme that Figure of description provides is the second.

Such as Fig. 1, Fig. 2 and shown in Figure 8, in the above-mentioned two schemes, the cross section of support bar 3 is rectangular, and sliding sleeve 1 circumferentially is fixedly connected with support bar 3, but can move axially along support bar 3.Adjusting part 8 comprise be positioned on the depth of parallelism adjusting bracket 5 and with the equal stopper slot 8a one to one of the position, the other end of back shaft 23 and size, the other end downside of described back shaft 23 is provided with depth of parallelism adjusting bolt 8b, described depth of parallelism adjusting bolt 8b is connected with depth of parallelism adjusting bracket 5 by screw thread, and the head of depth of parallelism adjusting bolt 8b and the other end downside of back shaft 23 lean.

As shown in Figure 1 to Figure 3, the top of casing 1 is provided with a dust hopper 2 24, the passage of dust hopper 2 24 is passed in abrasive band 2, the portlet of dust hopper 2 24 is positioned at the below, the portlet of dust hopper 2 24 is oppositely arranged with the dust collecting opening 1d that steps down, and dust hopper 2 24 is fixedly connected with gasket seal by bolt with casing 1.

Such as Fig. 1, Fig. 2 and shown in Figure 5, abrasive band 2 non-grinding section 2b rear sides are provided with a dust gathering arrester 9 that is strip and vertically arranges, and an end of described dust gathering arrester 9 is to downward-extension and extend to the dust collecting opening 1d place that steps down, and the other end extends upward and walk around driven pulley 12.Dust gathering arrester 9 has the cover body that is strip and is positioned at the cover body both sides and relative cover body vertically arranges flank 9a.The upper end of dust gathering arrester 9 is fixedly connected with sliding sleeve 1.The bottom of dust gathering arrester 9 has fixing hole four 9b of vertical setting, is equipped with set bolt four 9c in fixing hole four 9b, and the bottom of dust gathering arrester 9 is fixedly connected with dust hopper 2 24 by set bolt four 9c.

As depicted in figs. 1 and 2, abrasive band 2 grinding section 2a rear sides be provided with for 2 back sides, abrasive band against by grinding part 26, be connected with a connecting axle 25 by mill on the part 26, be connected by regulating by the adjustment connecting structure two that grinds spacing between part 26 and 2 back sides, abrasive band and connecting axle 25 can be fixed on the support bar 3 between connecting axle 25 and the support bar 3.According to actual condition, adjustment connecting structure two can be selected any one in the following scheme: the first, adjustment connecting structure one comprise a horizontally disposed cross bar 2 27, and the vertical line of cross bar 2 27 vertically arranges with respect to the axle center of connecting axle 25; Offer on the cross bar 2 27 along it and vertically offer fixing hole five 27a that are strip, be equipped with two set bolt five 27b in fixing hole five 27a, cross bar 2 27 is fixedly connected with support bar 3 by set bolt five 27b.The second, adjustment connecting structure one comprise a horizontally disposed cross bar 2 27 and the sliding sleeve 2 28 that is set on the support bar 3, are threaded connection locking bolt two 28a that sliding sleeve 2 28 lockings can be fixed on the support bar 3 on the sliding sleeve 2 28; The vertical line of cross bar 2 27 vertically arranges with respect to the axle center of connecting axle 25; Offer on the cross bar 2 27 along it and vertically offer fixing hole five 27a that are strip, be equipped with two set bolt five 27b in fixing hole five 27a, cross bar 2 27 is fixedly connected with sliding sleeve 2 28 by set bolt five 27b.The scheme that provides in this Figure of description is the second.

The present embodiment has provided following several by mill part 26: the first, as shown in Figure 9, comprise that by mill part 26 one is tabular substrate 26a, and a plate is facing to being fixed with the wear plate 26b that covers above-mentioned plate face on 2 back sides, abrasive band and the described substrate 26a; Described connecting axle 25 is fixedly connected with another plate face of substrate 26a.The two ends of wear plate 26b all extend around counterpart substrate 26a end face and are fixedly connected with by fastening bolt 26c with another plate face of described substrate 26a.Wear plate 26b employing elastomeric material is made or wear plate 26b comprises that the substrate that adopts elastomeric material to make adopts ceramic increasing of making to grind layer with being coated on the substrate abutment face.Another plate face of substrate 26a is fixedly connected with tube connector 26d in a tubular form, and described tube connector 26d is set on the connecting axle 25, is threaded connection on the described tube connector 26d to make locking bolt three 26e that are fastened on the connecting axle 25.The second as shown in figure 10, is a cylindrical emery wheel 26f of leaning on by mill part 26, and described being set on the connecting axle 25 and by emery wheel 26f by emery wheel 26f is connected by bearing two 26g with connecting axle 25.

Such as Fig. 1, Fig. 2 and shown in Figure 4,2 grinding section 2a front sides, abrasive band are provided with the horizontally disposed working plate 29 of an energy, and working plate 29 is positioned at the large port place of dust hopper 2 24; Between working plate 29 and the dust hopper 2 24 by at least can the adjusting operating platform plate residing plane of 29 plate faces and the residing plane of 2 grinding section 2a sand faces, abrasive band between corner dimension and when regulating the residing plane of plate face of working plate 29 be connected with the adjustment connecting structure three that the abrasive band residing Plane intersects line of 2 grinding section 2a sand faces is positioned on the horizontal plane all the time.According to actual condition, can select following any one adjustment connecting structure three schemes: the first, the both ends that adjustment connecting structure three comprises working plate 29 are the downward connecting portion 29a of turnover all, all is connected by bolt and nut 29b between two connecting portion 29a and the dust hopper 2 24; The axle center of bolt is positioned on the same level and with same straight line and overlaps among two groups of bolt and nut 29b.The both ends that the second, adjustment connecting structure three comprise working plate 29 are the downward connecting portion 29a of turnover all, all is connected by bolt and nut 29b between two connecting portion 29a and the dust hopper 2 24; The axle center of bolt is positioned on the same level and with same straight line and overlaps among two groups of bolt and nut 29b; Described dust hopper 2 24 have two with the bolt and nut 29b position chute 24a of corresponding setting one by one, chute 24a vertical line is vertical with the abrasive band residing Plane intersects line of 2 grinding section 2a sand faces with the residing plane of plate face of above-mentioned working plate 29; Bolt is embedded in chute 24a among the bolt and nut 29b.The scheme that this Figure of description provides is the second.

Such as Fig. 1, Fig. 2 and shown in Figure 8, driven pulley 12 front upper places are provided with light fixture 30, are provided with bellows 31 between light fixture 30 and the support bar 3, and light fixture 30 is fixedly connected with by the top of above-mentioned bellows 31 with support bar 3.Support bar 3 is hollow-core construction, and light fixture 30 is connected with wire 32, and wire 32 passes successively bellows 31 and support bar 3 and penetrates casing 1; Be provided with the power line that is connected with the external world in the casing 1, power line is connected with motor 10, and wire 32 is connected with power line.Light fixture 30 comprises lamp socket, bulb and lampshade.

Support bar 3 is a square bar.Support bar 3 also comprises square bar one 3d and square bar two 3e, square bar one 3d lower end is fixedly connected with casing 1, square bar two 3e are located in the upper end of square bar one 3d, and the upper end of square bar one 3d is threaded connection the locking bolt 4 33 that square bar two 3e can be locked on square bar one 3d; Sliding sleeve 1 is set on square bar two 3e; Then disk 3a is fixedly connected with square bar one 3d lower surface, and sliding sleeve 1 is set on square bar two 3e, and sliding sleeve 2 28 is set on square bar one 3d; Bellows 31 is fixedly connected with square bar two 3e upper ends.

Further specify structure, effect and the beneficial effect of this belt sander in conjunction with Figure of description.Need to guarantee when utilizing this belt sander grinding work piece 35 that driven pulley 12 is parallel with driving wheel 11, this belt sander can be adjusted by following scheme.Edge and block piece 14 that assurance body cradle 13 is positioned at motor 10 rotating shaft opposite sides lean; Screw locking bolt one 7a and make sliding sleeve 1 and support bar 3 realize release, according to abrasive band 2 length sliding sleeve 1 is moved up or down, until abrasive band 2 is tensioned, oppositely screws locking bolt one 7a and make sliding sleeve 1 and support bar 3 realize locking.According to actual condition can to in the lower member one or more by its accordingly method adjust: by screwing that set bolt three 3c and rotary supporting rod 3 adjusted back shafts 23 axle center relatively and angle between driving wheel 11 axle center, back shaft 23 axle center can be adjusted to driving wheel 11 axle center in the same plane.Extremely shown in Figure 16 such as Figure 11, by screwing level interval between set bolt one 6b and push-and-pull cross bar one 6 adjustment driven pulleys 12 and the driving wheel 11, abrasive band 2 grinding section 2a are overlapped with respect to vertical plane or and vertical plane between have angle, to satisfy processing different workpieces 35 grinding faces.By screw set bolt two 6c and rotate stopper slot 8a notch that depth of parallelism adjusting bracket 5 adjusts depth of parallelism adjusting brackets 5 towards, generally it is adjusted to straight up.Change the length that it passes depth of parallelism adjusting bracket 5 by screwing depth of parallelism adjusting bolt 8b, depth of parallelism adjusting bolt 8b promotion back shaft 23 other ends move realizes that back shaft 23 other ends swing around pin joint, generally back shaft 23 axle center is adjusted to be on the horizontal plane.

State according to workpiece 35 is also adjusted supporter and working plate 29 in adaptability ground.As shown in figure 11, the abutment face of workpiece 35 is vertical with grinding face to be arranged, and the grinding face of workpiece 35 is the plane; The abrasive band 2 grinding section 2a of this belt sander vertically arrange thus; Adopt the first schemes by mill part 26, the 2 grinding section 2a back sides, abrasive band with lean by mill part 26, corresponding with the grinding face position of workpiece 35 by grinding part 26 positions; If be below or above grinding face by mill part 26 positions, by screwing locking bolt two 28a and push-and-pull sliding sleeve 2 28 adjustment supporters with respect to driving wheel 11 vertical spacings; And then satisfy the different situation of grinding position between different workpieces 35 and the abrasive band 2.Vertical setting between the plate face of working plate 29 and the abrasive band 2 grinding section 2a; The abutment face of workpiece 35 is resisted against on the working plate 29, control workpiece 35 gradually to the abrasive band 2 near and be pressed on the 2 sand faces of abrasive band.

As shown in figure 12, compare spacing increase between working plate 29 plate faces and the abrasive band 2 grinding section 2a with Figure 11.Be this belt sander according to actual conditions by screwing bolt and nut 29b and push-and-pull working plate 29 is adjusted spacing between working plates 29 and the abrasive band 2 grinding section 2a.

As shown in figure 13, compare with Figure 11, angle is acute angle between the abutment face of workpiece 35 and the grinding face, and angle is adjusted adaptively with workpiece 35 between working plate 29 plate faces and the abrasive band 2 grinding section 2a.Be that this belt sander is adjusted angle between working plate 29 and the abrasive band 2 grinding section 2a by screwing bolt and nut 29b and swinging working plate 29.

As shown in figure 14, compare with Figure 11, angle is acute angle between the abutment face of workpiece 35 and the grinding face; Angle is adjusted adaptively with workpiece 35 between abrasive band 2 grinding section 2a and the vertical plane.Be that this belt sander is by screwing level interval between set bolt one 6b and push-and-pull cross bar one 6 adjustment driven pulleys 12 and the driving wheel 11, abrasive band 2 grinding section 2a are overlapped with respect to vertical plane or and vertical plane between have angle, to satisfy processing different workpieces 35 grinding faces.

As shown in figure 15, compare with Figure 11, angle is acute angle between the abutment face of workpiece 35 and the grinding face; Angle is adjusted adaptively with workpiece 35 between working plate 29 plate faces and the abrasive band 2 grinding section 2a; Simultaneously, angle is adjusted adaptively with workpiece 35 between abrasive band 2 grinding section 2a and the vertical plane.

As shown in figure 16, the grinding face of workpiece 35 is circular-arc, and the abrasive band 2 grinding section 2a of this belt sander vertically arrange thus; Adopt first schemes by mill part 26, the 2 grinding section 2a back sides, abrasive band with lean by mill part 26, corresponding with the grinding face position of workpiece 35 by grinding part 26 positions.Control workpiece 35 with grinding face gradually to the abrasive band 2 grinding section 2a sand faces close.

Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims (10)

1. vertical environment-friendly belt sander, comprise a motor (10), a ringwise abrasive band (2), be arranged on endless abrasive belt (2) inboard a driving wheel (11) and a driven pulley (12), it is characterized in that, this vertical environment-friendly belt sander also comprises a casing (1) and a support bar (3), and described casing (1) intracavity bottom is provided with a collection assembly of dust (4); Described driving wheel (11) is fixedly connected with motor (10) rotating shaft, and motor (10) housing is positioned at casing (1) upward and motor (10) rotating shaft core is positioned on the horizontal plane; Described driving wheel (11) and motor (10) all are positioned at casing (1) and all are positioned at the top of collection assembly of dust (4); Described support bar (3) lower end is fixedly connected with casing (1) end face, and described driven pulley (12) is positioned at casing (1) top; Described driven pulley (12) centralized positioning has a back shaft (23), and described back shaft (23) is connected by back shaft (23) axle center being adjusted to the adjustment connecting structure one of horizontal plane overlap condition at least with support bar (3) upper end; Have on described casing (1) end face for abrasive band (2) and wear and for the dust collecting opening of stepping down (1d) that the material that grinding produces enters casing (1) inner chamber, have the inlet scoop (1e) that can link with air suction mechanism on the sidewall of described casing (1).

2. vertical environment-friendly belt sander according to claim 1, it is characterized in that, described abrasive band (2) is positioned between driving wheel (11) and the driven pulley (12) and relatively is positioned at driving wheel (11) one sides is grinding section (2a), and being positioned at driving wheel (11) opposite side is non-grinding section (2b); Grinding section (2a) moves downward when move in described abrasive band (2).

3. vertical environment-friendly belt sander according to claim 1, it is characterized in that, described collection assembly of dust (4) comprises the control of dust drawer one (4a) that is placed on casing (1) the inner chamber bottom surface, and the top of described control of dust drawer one (4a) is provided with and is funnelform dust hopper one (4b); The portlet of described dust hopper one (4b) is positioned at the below, and described dust hopper one (4b) is fixedly connected with casing (1).

4. the described vertical environment-friendly belt sander of any one in 3 according to claim 1, it is characterized in that, the top of described casing (1) is provided with a dust hopper two (24), the passage of dust hopper two (24) is passed in described abrasive band (2), the portlet of described dust hopper two (24) is positioned at the below, the portlet of described dust hopper two (24) is oppositely arranged with the dust collecting opening (1d) of stepping down, and described dust hopper two (24) is sealedly and fixedly connected with casing (1).

5. the described vertical environment-friendly belt sander of any one in 3 according to claim 1 is characterized in that, is provided with body cradle (13) between described motor (10) housing and the collection assembly of dust (4); Described motor (10) housing is fixed on the body cradle (13), and edge and casing (1) that body cradle (13) is positioned at motor (10) rotating shaft one side are hinged; Be fixed with on the described casing (1) be used to the block piece (14) that limits described body cradle (13) and be positioned at the downward oscillating stroke in edge of motor (10) rotating shaft opposite side.

6. vertical environment-friendly belt sander according to claim 5, it is characterized in that, described body cradle (13) is positioned at and is provided with the edge that can make all the time described body cradle (13) be positioned at motor (10) rotating shaft opposite side between the edge of motor (10) rotating shaft opposite side and the casing (1) and has the spring (18) that is resisted against the upper movement tendency of block piece (14).

7. vertical environment-friendly belt sander according to claim 2, it is characterized in that, described abrasive band (2) grinding section (2a) rear side be provided with for the back side, abrasive band (2) against by grinding part (26), described by being connected with a connecting axle (25) on mill part (26), be connected by regulating by the adjustment connecting structure two that grinds spacing between part (26) and the back side, abrasive band (2) and connecting axle (25) can be fixed on the support bar (3) between described connecting axle (25) and the support bar (3).

8. vertical environment-friendly belt sander according to claim 7, it is characterized in that, described adjustment connecting structure two comprises a horizontally disposed cross bar two (27) and is set in sliding sleeve two (28) on the support bar (3), is threaded connection the locking bolt two (28a) that sliding sleeve two (28) lockings can be fixed on the support bar (3) on the sliding sleeve two (28); The vertical line of described cross bar two (27) vertically arranges with respect to the axle center of connecting axle (25); Offer on the described cross bar two (27) along it and vertically offer a fixing hole five (27a) that is strip, be equipped with two set bolts five (27b) in the described fixing hole five (27a), described cross bar two (27) is fixedly connected with sliding sleeve two (28) by set bolt five (27b).

9. vertical environment-friendly belt sander according to claim 7, it is characterized in that, describedly comprise that by mill part (26) one is tabular substrate (26a), a plate is facing to being fixed with the wear plate (26b) that covers above-mentioned plate face on (2) back side, abrasive band and the described substrate (26a); Described connecting axle (25) is fixedly connected with another plate face of substrate (26a); Or described be one cylindrical by emery wheel (26f) by mill part (26), it is described that to be set in connecting axle (25) by emery wheel (26f) upper and be connected by bearing two (26g) with connecting axle (25) by emery wheel (26f).

10. vertical environment-friendly belt sander according to claim 4 is characterized in that, described abrasive band (2) grinding section (2a) front side is provided with an energy horizontally disposed working plate (29), and working plate (29) is positioned at the large port place of dust hopper two (24); Between described working plate (29) and the dust hopper two (24) by at least can the residing plane of adjusting operating platform plate (29) plate face and the residing plane of abrasive band (2) grinding section (2a) sand face between corner dimension and when regulating the residing plane of plate face of working plate (29) be connected with the adjustment connecting structure three that the residing Plane intersects line of abrasive band (2) grinding section (2a) sand face is positioned on the horizontal plane all the time.

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