CN213970470U - Novel vertical abrasive belt machine - Google Patents

Abstract

The utility model discloses a novel vertical abrasive band machine, it includes frame, motor, pivot, drive wheel, abrasive band, hand abrasive band adjustment mechanism, auxiliary wheel guiding mechanism, bearing frame, auxiliary wheel and guide pulley. The motor is reasonably arranged in the frame, so that the motor is ensured to work in a clean environment, the working stability is improved, and the service life is long; the motor is positioned on the bottom surface of the frame, so that the gravity is effectively reduced, and the running stability is good; meanwhile, the bearing seat is provided with a sleeve joint part which axially extends for a certain length, so that convenience is brought to the installation of the hand-operated abrasive belt adjusting mechanism and the protective cover, and the structure of the frame is effectively simplified; when the abrasive belt deviates in the operation process, the abrasive belt can be quickly adjusted through the auxiliary wheel adjusting mechanism without stopping, the operation is simple and convenient, and time and labor are saved; when the abrasive belt needs to be replaced or the tightness degree needs to be adjusted, only the hand wheel of the hand-operated abrasive belt adjusting mechanism needs to be twisted forward or reversely correspondingly, the operation process is simple and quick, and the working efficiency is effectively improved.

Description

Novel vertical abrasive belt machine

Technical Field

The utility model relates to an abrasive band machine technical field, concretely relates to novel vertical abrasive band machine.

Background

With the development of science and technology, people have higher and higher requirements on the taste of life. Among them, daily hardware is most widely used in life.

Therefore, in the process of machining daily hardware parts, some parts are often required to be subjected to grinding and polishing or wire drawing processing. The grinding and polishing are to process the surface of the workpiece to make the workpiece smooth and clean. The surface wire drawing treatment is a surface treatment means which forms lines on the surface of a workpiece through a grinding product and has a decorative effect. Because the texture of the metal material can be reflected by the surface wire drawing treatment, the surface wire drawing treatment is more and more popular among users and is more and more widely applied.

The belt sander is one of grinding and polishing machines. Like publication number "CN 206241824U", the name is "abrasive band machine", it includes the frame, rotate the action wheel of connecting in the frame, be located the action wheel top from the driving wheel, the cover is established at the action wheel and is followed the abrasive band on the driving wheel, still include the dead lever that is located fixed connection in the frame, set up the locating piece on the dead lever, the mount pad, fixed connection is in the sleeve of mount pad, it connects on the mount pad to rotate from the driving wheel, sleeve circumference is fixed and the axial slip cover is located on the dead lever, the cover is equipped with the spring that is located between locating piece and the sleeve on the dead lever. Although the purpose of grinding and polishing can be achieved, the motor is externally arranged, iron powder generated when the abrasive belt grinds a workpiece floats on the motor and even enters the motor, the normal work of the motor is influenced, and the service life is short; and the abrasive band is easy to appear the off tracking phenomenon in the operation in-process, and its tuningout process is troublesome, need shut down moreover and just can adjust, adjusts the back, needs the start to see whether transfers well, otherwise still need shut down and adjust once more, need repeat several times sometimes just can realize transferring well, influences work efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to the aforesaid, the utility model aims to provide a structural design is ingenious, reasonable, and the motor is built-in, and is dustproof effectual, and the abrasive band changes the convenience, adjusts the simple and easy novel vertical abrasive band machine of operation partially.

In order to achieve the above purpose, the utility model provides a technical scheme is: a novel vertical belt sander comprises a rack, a motor, a rotating shaft, a driving wheel, an abrasive belt, a hand-operated abrasive belt adjusting mechanism, an auxiliary wheel adjusting mechanism, a bearing seat, an auxiliary wheel and a guide wheel, wherein the rotating shaft is horizontally arranged at the upper part of the rack through the bearing seat; the auxiliary wheel adjusting mechanism is arranged on the frame corresponding to the lower position of the driving wheel, and the auxiliary wheel is arranged on the auxiliary wheel adjusting mechanism and can adjust the deflection angle through the auxiliary wheel adjusting mechanism; the abrasive belt is wound around the driving wheel, the guide wheel and the auxiliary wheel.

As a preferred scheme of the utility model, the bearing frame includes pedestal and bearing, the radial increase of one end of pedestal forms the installation department, and the terminal surface middle part indent of this installation department forms the installation cavity, and the other end axial extension of this pedestal forms the portion of cup jointing, should cup joint the portion go up the axial be equipped with the shaft hole that the installation cavity is linked together, the bearing sets up in the installation cavity.

As a preferred scheme of the utility model, the protruding assembly portion that forms in the outer fringe position of installation department is equipped with the mounting hole in this assembly portion. The outline of the mounting part is circular. The outline of the assembly part is square. The angle position of the assembly part is provided with a convex rib extending towards the circle center direction of the installation part. The length of the sleeve joint part is 50-150 mm. Installation department and assembly portion and socket joint portion connection structure as an organic whole. The bearing is an outer spherical bearing.

As a preferred proposal of the utility model, the auxiliary wheel adjusting mechanism comprises a fixed seat, a movable frame, an adjusting screw rod and a locking screw rod, one end of the movable frame extends horizontally to form an adjusting part, the other end bends and extends for a certain distance to form a deflection part, the fixed seat is provided with an adjusting cavity, the adjusting part extends into the adjusting cavity, the middle part of the movable frame is hinged on the fixed seat, the adjusting part is provided with an adjusting screw hole matched with the adjusting screw rod, one side of the adjusting screw hole is a plane to form a locking plane, the upper position of the fixed seat corresponding to the adjusting screw hole and the locking plane is correspondingly provided with a through hole and a locking screw hole, the adjusting screw penetrates through the through hole and is screwed into the adjusting screw hole, the locking screw is screwed into the locking screw hole and penetrates out of the locking screw hole to be pressed on the locking plane, and the auxiliary wheel is arranged on the deflection part through the wheel shaft.

As a preferred scheme of the utility model, the lower end of the deflection part is provided with a shaft barrel for mounting the wheel shaft, the barrel wall of the shaft barrel is radially provided with a lock hole, and a screw which can radially extend into the lock hole is screwed in the lock hole; the fixing seat is provided with a mounting plate, and the mounting plate is provided with a mounting hole. And a deep groove ball bearing matched with the wheel shaft is arranged on the shaft hole of the auxiliary wheel. The number of the deep groove ball bearings is two, and the deep groove ball bearings are located at openings at two ends of the shaft hole of the auxiliary wheel. And the outer side of the wheel shaft corresponding to the deep groove ball bearing is provided with an outer clamping groove, and an outer clamping ring is arranged on the outer clamping groove. The hole wall of the shaft hole of the auxiliary wheel is provided with an inner clamping groove corresponding to the inner side position of the deep groove ball bearing, and the inner clamping groove is provided with an inner clamping ring. The tail low surface of the adjusting part gradually inclines upwards.

As an optimized scheme of the utility model, hand abrasive band adjustment mechanism includes holder, support arm optical axis, axle shoulder piece, accommodate the lead screw, adjusting nut, lead screw bearing frame, slider and alignment jig, the one end of support arm optical axis is fixed on the holder, slider movable sleeve establishes on the support arm optical axis, the alignment jig sets up on the slider, the guide pulley sets up on the alignment jig through the installation axle, the axle shoulder piece sets up on the support arm optical axis, the lead screw bearing frame is fixed on the axle shoulder piece, accommodate the lead screw sets up on the lead screw bearing frame, and this accommodate the lead screw with the support arm optical axis parallels, adjusting nut sets up on the alignment jig, and with accommodate the lead screw looks adaptation.

As a preferred scheme of the utility model, the one end of holder is equipped with the axle sleeve, and the other end is equipped with the plug bush mutually perpendicular with the axial lead of this axle sleeve, be equipped with the crack groove on the cover wall of axle sleeve, the bilateral symmetry in this crack groove respectively is equipped with a bilateral symmetry that cracks and is equipped with the locking block that enables the axle diameter of axle sleeve to reduce when folding, be equipped with the locating piece on the plug bush, be equipped with on this locating piece and radially run through its and plug bush lockhole, in the support arm optical axis inserts the plug bush, and the position that corresponds the lockhole is equipped with the screens, and the screw twists lockhole and roof pressure on the screens.

As an optimized scheme of the utility model, hand abrasive band adjustment mechanism still includes the direction subassembly, and this direction subassembly includes preceding clamp seat, back clamp seat and guide arm, preceding clamp seat and back clamp seat correspond the front and back position setting of slider and are in on the support arm optical axis, the both ends of guide arm are corresponding to be set up in the front, on the back clamp seat, and this guide arm with the support arm optical axis parallels, be equipped with the guide hole with this guide arm looks adaptation on the slider.

As an optimized scheme of the utility model, one side of preceding clamp seat be equipped with the pilot hole of guide arm looks adaptation, the opposite side be equipped with the hoop hole of support arm optical axis looks adaptation. The rear clamp seat is consistent with the front clamp seat in structure. And a guide sleeve matched with the guide rod is arranged on the guide hole of the sliding block. And a hand wheel is arranged at the tail end of the adjusting screw rod. The side wall of the adjusting frame is provided with an assembling sleeve matched with the mounting shaft, the sleeve wall matched with the assembling sleeve is radially provided with a lock hole, and a screw capable of radially extending into the lock hole is screwed into the lock hole. And a deep groove ball bearing matched with the mounting shaft is arranged on the wheel hole of the guide wheel. The number of the deep groove ball bearings is two, and the deep groove ball bearings are located at openings at two ends of the shaft hole of the guide wheel. The outer side position that the installation axle corresponds deep groove ball bearing is equipped with outer draw-in groove, is equipped with outer snap ring on this outer draw-in groove. And the hole wall of the wheel hole of the guide wheel is provided with an inner clamping groove corresponding to the inner side of the deep groove ball bearing, and the inner clamping groove is provided with an inner clamping ring.

As an optimized proposal of the utility model, the top surface of the frame is provided with a tray.

As an optimized scheme of the utility model, the bearing frame is close to be equipped with the protection casing that covers this drive wheel on the position of drive wheel. The protection effect is good. Specifically, a sleeve body matched with the sleeve joint part of the bearing seat is arranged on one side of the protective cover, the sleeve body is sleeved on the sleeve joint part, and then the sleeve body is screwed in through a radial screw to achieve the purpose of locking and fixing.

As a preferred scheme of the utility model, the frame includes chassis, tilt frame and high screw rod, the chassis is fixed the inside bottom surface of frame, the one end of tilt frame articulates on the chassis, the other end be equipped with the trompil of high screw rod looks adaptation, the lower extreme of high screw rod articulates on the chassis, and the upper end is passed the trompil has been twisted high nut. The motor is installed on the tilting frame, the transmission assembly is preferably a belt transmission assembly, an included angle between the tilting frame and the underframe is adjusted by screwing the height nut, and then the height position of the motor is adjusted to achieve the function of adjusting the tightness of the belt.

The utility model has the advantages that: the utility model has the advantages of ingenious structural design, reasonable adoption of built-in structure to arrange the motor in the frame, good dustproof effect, guarantee of the motor working in a clean environment, improved working stability and long service life; the motor is positioned on the bottom surface of the frame, so that the gravity is effectively reduced, and the running stability is good; meanwhile, the bearing seat is reasonably provided with a sleeve joint part which axially extends for a certain length, so that convenience is brought to the installation of the hand-operated abrasive belt adjusting mechanism and the protective cover, and the structure of the frame is effectively simplified; when the abrasive belt deviates in the operation process, the abrasive belt can be quickly adjusted through the auxiliary wheel adjusting mechanism without stopping, the effect of adjusting the abrasive belt can be checked in real time, and the abrasive belt adjusting device is easy and convenient to operate, time-saving and labor-saving; when the abrasive belt needs to be replaced or the tightness degree needs to be adjusted, only the hand wheel of the hand-operated abrasive belt adjusting mechanism needs to be twisted forward or reversely correspondingly, the operation process is simple and quick, and the working efficiency is effectively improved.

The present invention will be further explained with reference to the drawings and the embodiments.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an exploded schematic view of the present invention.

Fig. 3 is a schematic perspective view of the middle bearing seat of the present invention.

Fig. 4 is an exploded schematic view of the middle bearing seat of the present invention.

Fig. 5 is a schematic perspective view of the middle seat body of the present invention.

Fig. 6 is a schematic perspective view of the adjusting mechanism of the middle auxiliary wheel of the present invention.

Fig. 7 is a schematic sectional view of the adjusting mechanism of the auxiliary wheel according to the present invention.

Fig. 8 is an exploded schematic view of the middle auxiliary wheel adjusting mechanism of the present invention.

Fig. 9 is a schematic perspective view of the medium hand-operated sanding belt adjusting mechanism of the present invention.

Fig. 10 is an exploded schematic view of the present invention.

Fig. 11 is a schematic view of a partial cross-sectional structure of a medium hand-operated sanding belt adjusting mechanism according to the present invention.

Detailed Description

Embodiment, referring to fig. 1 to 11, the present embodiment provides a novel vertical belt sander, which includes a frame 1, a motor 2, a rotating shaft 3, a driving wheel 4, a sanding belt 5, a hand sanding belt adjusting mechanism 6, an auxiliary wheel adjusting mechanism 7, a bearing seat 8, an auxiliary wheel 9, and a guide wheel 10.

The rotating shaft 3 is horizontally arranged at the upper part of the frame 1 through a bearing seat 8, the lower part of the frame 1 is lengthened to form an installation cavity for installing the motor 2, and the motor 2 is arranged in the installation cavity through a base 12 and can drive the rotating shaft 3 to rotate through a transmission assembly 11; specifically, the base 12 comprises an underframe, an inclined frame and a height screw rod, the underframe is fixed on the bottom surface inside the rack 1, one end of the inclined frame is hinged to the underframe, the other end of the inclined frame is provided with a hole matched with the height screw rod, the lower end of the height screw rod is hinged to the underframe, and the upper end of the height screw rod penetrates through the hole and is screwed with a height nut. The motor 2 is installed on the inclined frame, the transmission assembly 11 is preferably a belt transmission assembly 11, an included angle between the inclined frame and the underframe is adjusted by screwing the height nut, and then the height position of the motor 2 is adjusted to achieve the function of adjusting the tightness of the belt.

The driving wheel 4 is arranged at the end position of the rotating shaft 3, the hand-operated abrasive belt adjusting mechanism 6 is sleeved on the bearing seat 8, the guide wheel 10 is arranged on the hand-operated abrasive belt adjusting mechanism 6 and is adjusted by the hand-operated abrasive belt adjusting mechanism 6 to move close to or apart from the driving wheel 4, the auxiliary wheel adjusting mechanism 7 is arranged on the frame 1 corresponding to the lower position of the driving wheel 4, the auxiliary wheel 9 is arranged on the auxiliary wheel adjusting mechanism 7 and can adjust the deflection angle through the auxiliary wheel adjusting mechanism 7; the sanding belt 5 is passed around the drive wheel 4, the guide wheel 10 and the auxiliary wheel 9. The abrasive belt 5 can be driven to operate through the rotation of the driving wheel 4, and the purpose of polishing is achieved.

Referring to fig. 3, 4 and 5, the bearing seat 8 includes a seat body 81 and a bearing 82, one end of the seat body 81 is radially enlarged to form an installation portion 811, the middle of the end surface of the installation portion 811 is recessed to form an installation cavity 812, the other end of the seat body 81 extends axially to form a sleeve portion 813, a shaft hole 814 communicated with the installation cavity 812 is axially arranged on the sleeve portion 813, and the shaft hole 814 is used for the rotating shaft 3 to pass through. The bearing 82 is disposed within the mounting cavity 812. A notch 8121 is formed in the opening of the mounting cavity 812, so that convenience is brought to replacement and daily maintenance of the bearing 82. The number of the notches 8121 is preferably two, and the notches are symmetrically arranged at the opening of the mounting cavity 812, so that the position of the bearing 82 can be conveniently adjusted.

The outer edge of the mounting portion 811 protrudes to form a fitting portion 815, and the fitting portion 815 is provided with a mounting hole 817. The screw penetrates through the mounting hole 817 to be mounted on the frame 1, and the mounting is convenient.

In this embodiment, the mounting portion 811 has a circular outer contour. The fitting portion 815 has a square outer contour. In other embodiments, the mounting portion 811 and the mounting portion 815 may be contoured in other shapes.

The corner position of the assembling portion 815 is provided with a convex rib 816 extending towards the circle center direction of the mounting portion 811, namely, one end of the convex rib 816 is connected with the corner of the assembling portion 815, and the other end of the convex rib extends towards the circle center direction of the mounting portion 811 and is connected to the mounting portion 811, so that the structural strength is effectively enhanced, and the supporting effect is good. The length of the sleeve joint part 813 is 50-150 mm, preferably 120mm, and the sleeve joint part can be used for installing functional parts such as a fixed seat and a protective cover. The installation part 811, the assembly part 815 and the sleeve part 813 are of an integrated connection structure, and are easy to realize and high in structural strength if formed by casting. The bearing 82 is preferably an outer spherical bearing, which can be self-aligning and facilitates installation.

The conventional bearing housing has only a function of mounting a bearing. If other functional components need to be added, the installation requirement of adding the functional components can be met only by adding other functional brackets on the rack 1. The operation is troublesome and the structure is complex. The bearing seat of the utility model is reasonably provided with the sleeve-joint part 813 which extends a certain length axially, thereby bringing convenience to the installation of other functional parts, satisfying the installation requirement of installing the functional parts without installing other functional brackets on the frame 1, effectively simplifying the structure of the frame 1, and having simple installation; meanwhile, the outer spherical bearings are adopted for matching, so that the center can be automatically adjusted, and the installation and the adjustment are facilitated; in addition, the whole structure is simple, the stability is good, the realization is easy, and the service life is long.

Referring to fig. 6, 7 and 8, the auxiliary wheel adjusting mechanism 7 includes a fixed seat 71, a movable frame 72, an adjusting screw 73 and a locking screw 74, one end of the movable frame 72 extends horizontally to form an adjusting portion 721, the other end bends and extends for a certain distance to form a deflection portion 722, the fixed seat 71 is provided with an adjusting cavity, the adjusting portion 721 extends into the adjusting cavity, the middle portion of the movable frame 72 is hinged to the fixed seat 71, the adjusting portion 721 is provided with an adjusting screw 7211 adapted to the adjusting screw 73, one side of the adjusting screw 7211 is a plane to form a locking plane 7212, the fixed seat 71 is correspondingly provided with a through hole 711 and a locking screw 712 above the adjusting screw 7211 and the locking plane 7212, the adjusting screw 73 passes through the through hole 711 and is screwed into the adjusting screw 7211, the locking screw 74 is screwed into the locking screw 712 and passes through the locking screw 7212 and is pressed against the locking plane 7212, the auxiliary wheel 9 is arranged on the deflection portion 722 via the axle 75.

In order to facilitate the installation of the axle 75, a shaft barrel 723 for installing the axle 75 is arranged at the lower end of the deflection part 722, a lock hole is radially arranged on the wall of the shaft barrel 723, a screw capable of radially extending into the lock hole is screwed in the lock hole, and the axle 75 is pressed through the screw to be fixed on the shaft barrel 723.

The fixing seat 71 is provided with an installation plate 76, the installation plate 76 is provided with an installation hole, and the installation plate is installed on the side wall of the rack 1 by penetrating through the installation hole through a screw, so that the installation is convenient and simple. The lower surface of the tail part of the adjusting part 721 is gradually inclined upwards, namely the tail part of the adjusting part 721 is gradually reduced, so that the self weight is reduced and the material is saved on the basis of ensuring the required structural strength.

And a deep groove ball bearing 77 matched with the wheel shaft 75 is arranged on the shaft hole of the auxiliary wheel 9. The number of the deep groove ball bearings 77 is preferably two, and the two deep groove ball bearings are positioned at openings at two ends of the shaft hole of the auxiliary wheel 9. The outer side of the wheel shaft 75 corresponding to the deep groove ball bearing 77 is provided with an outer clamping groove, and an outer clamping ring 78 is arranged on the outer clamping groove. An inner clamping groove 79 is formed in the hole wall of the shaft hole of the auxiliary wheel 9 corresponding to the inner side of the deep groove ball bearing 77, and an inner clamping ring is arranged on the inner clamping groove 79. The deep groove ball bearing 77 is limited by the inner snap ring and the outer snap ring 78, and the operation stability is good.

When the abrasive belt 5 deviates during operation, the inclination angle of the auxiliary wheel 9 needs to be adjusted. Firstly, the locking screw 74 is unscrewed, and then the inclination direction is adjusted according to the requirement to correspondingly screw the adjusting screw 73 into the adjusting screw hole 7211, so that the deflection part 722 is controlled to swing inwards or outwards, and the purpose of adjusting the auxiliary wheel 9 is achieved; after the adjustment is finished, the locking screw 74 is screwed in again to be pressed on the locking plane 7212, the locking purpose is realized, the loosening phenomenon is avoided, the working stability is good, the machine does not need to be stopped during the adjustment, the effect of adjusting the abrasive belt 5 can be checked in real time, the operation is simple and easy, convenient, time and labor are saved, and the abrasive belt adjusting device is simple and compact in overall structure, novel in structure, low in cost and easy to realize.

Referring to fig. 9, 10 and 11, the hand-cranking sanding belt adjusting mechanism 6 includes a clamp seat 61, a support arm optical axis 62, a shoulder block 63, an adjusting screw 64, an adjusting nut 65, a screw shaft bearing block 66, a slider 67, a guiding component 68 and an adjusting frame 69, wherein one end of the support arm optical axis 62 is fixed on the clamp seat 61, the slider 67 is movably sleeved on the support arm optical axis 62, the adjusting frame 69 is arranged on the slider 67, the guide wheel 10 is arranged on the adjusting frame 69 through a mounting shaft 620, the shoulder block 63 is arranged on the support arm optical axis 62, the screw shaft bearing block 66 is fixed on the shoulder block 63, the adjusting screw 64 is arranged on the screw shaft bearing block 66, the adjusting screw 64 is parallel to the support arm optical axis 62, and the adjusting nut 65 is arranged on the adjusting frame 69 and is matched with the adjusting screw 64.

Specifically, one end of the clamp holder 61 is provided with a shaft sleeve 611, the other end of the clamp holder is provided with an insertion sleeve 612 perpendicular to the axial line of the shaft sleeve 611, the wall of the shaft sleeve 611 is provided with a split groove, two sides of the split groove are symmetrically provided with locking blocks 613 capable of reducing the sleeve diameter of the shaft sleeve 611 to clamp the sleeve joint part when the sleeve joint part is closed, both the locking blocks 613 are provided with through holes, a bolt penetrates through the through holes and is screwed with a nut, and the closing action of the two locking blocks 613 is realized by the locking nut.

The plug bush 612 is provided with a positioning block 614, the positioning block 614 is provided with a lock hole which can radially penetrate through the plug bush 612, the support arm optical axis 62 is inserted into the plug bush 612, a position corresponding to the lock hole is provided with a clamping position 621, a screw is screwed into the lock hole and is pressed on the clamping position 621, and the purpose of locking and preventing the support arm optical axis 62 from rotating is achieved.

The guide assembly 68 comprises a front clamp seat 681, a rear clamp seat 682 and a guide rod 683, wherein the front and rear positions of the front clamp seat 681 and the rear clamp seat 682, which correspond to the slide block 67, are arranged on the support arm optical axis 62, two ends of the guide rod 683 are correspondingly arranged on the front clamp seat 681 and the rear clamp seat 682, the guide rod 683 is parallel to the support arm optical axis 62, and the slide block 67 is provided with a guide hole matched with the guide rod 683. The sliding of the sliding block 67 is guided by the guide assembly 68, so that the running stability is improved, and the working stability is good.

One side of the front clamp seat 681 is provided with an assembly hole matched with the guide rod 683, and the other side is provided with a clamp hole matched with the support arm optical axis 62. The screw on the hoop hole is screwed to reduce the aperture of the hoop hole and tightly hold the support arm optical axis 62, so that the purpose of fixing is realized. The rear clamp base 682 is identical to the front clamp base 681 in structure.

The guide hole of the slide block 67 is provided with a guide sleeve matched with the guide rod 683, so that the slide is smooth, and the service life is prolonged. The end of the adjusting screw rod 64 is provided with a hand wheel 60, which brings convenience to the rotation of the adjusting screw rod 64. In addition, an adjusting motor 2 for driving the adjusting screw 64 to rotate can also be additionally arranged. The side wall of the adjusting bracket 69 is provided with an assembling sleeve 691 matched with the mounting shaft 620, the sleeve wall of the assembling sleeve 691 is radially provided with a lock hole, a screw which can radially extend into the lock hole is screwed into the lock hole, and the mounting shaft 620 is tightly pressed through the screw, so that the purpose of assembling and fixing is realized.

In order to prolong the service life, a deep groove ball bearing 630 matched with the mounting shaft 620 is arranged on the wheel hole of the guide wheel 10. Preferably, the number of the deep groove ball bearings 630 is two, and the deep groove ball bearings are located at openings at two ends of the shaft hole of the guide wheel. The outer clamping groove is arranged at the outer side position of the mounting shaft 620 corresponding to the deep groove ball bearing 630, and an outer clamping ring 640 is arranged on the outer clamping groove. An inner clamping groove 79 is formed in the hole wall of the wheel hole of the guide wheel 10 corresponding to the inner side of the deep groove ball bearing 630, and an inner clamping ring 650 is arranged on the inner clamping groove 79.

The hand-operated abrasive belt adjusting mechanism 6 can greatly accelerate the operation of replacing the abrasive belt 5. When the abrasive belt 5 needs to be replaced, the hand wheel 60 is screwed, the adjusting screw 64 is driven to rotate, the rotating motion is converted into linear motion through the matching of the adjusting nut 65 and the adjusting screw 64, the sliding block 67 is pulled to move backwards, the guide wheel 10 is driven to move backwards through the adjusting frame 69, the purpose of loosening the abrasive belt 5 is achieved, and convenience is brought to the replacing process of the abrasive belt 5. After the sanding belt 5 is replaced, the hand wheel 60 is reversed, the guide wheel 10 can be pushed to move forwards through the adjusting frame 69, the purpose of tightening the sanding belt 5 is achieved, the tightness degree of the sanding belt 5 can be adjusted by correspondingly screwing the hand wheel 60, and different polishing requirements are met. The whole operation process is simple and quick, and the working efficiency is effectively improved.

The tray 13 is arranged on the top surface of the frame 1, so that daily tools can be conveniently placed. A protective cover 14 for covering the drive wheel 4 is provided on the bearing seat 8 at a position close to the drive wheel 4. Has the protection effect. Specifically, a sleeve body matched with the sleeve-connection part 813 of the bearing seat 8 is arranged on one side of the protective cover 14, the sleeve body is sleeved on the sleeve-connection part 813, and then the sleeve body is screwed in through a radial screw to achieve the purpose of locking and fixing.

When the device works, the motor 2 drives the rotating shaft 3 to rotate through the transmission component 11, and then the driving wheel 4 is driven to rotate. The abrasive belt 5 can be driven to operate through the rotation of the driving wheel 4, and the purpose of polishing is achieved. The motor 2 is arranged in the frame by adopting a built-in structure, so that the dustproof effect is good, the motor 2 is ensured to work in a clean environment, the working stability is improved, and the service life is long; the motor 2 is positioned on the bottom surface of the frame, so that the gravity is effectively reduced, and the running stability is good; meanwhile, a sleeve joint part 813 which extends axially for a certain length is reasonably arranged on the bearing seat 8, so that convenience is brought to installation of the hand-operated abrasive belt adjusting mechanism 6 and the protective cover 14, and the frame structure is effectively simplified; when the abrasive belt 5 deviates in the operation process, the auxiliary wheel adjusting mechanism 7 can be used for quickly adjusting without stopping, the effect of adjusting the abrasive belt 5 can be checked in real time, and the operation is simple and convenient, and time and labor are saved; when the abrasive belt 5 needs to be replaced or the tightness degree needs to be adjusted, only the hand wheel 60 of the hand-operated abrasive belt adjusting mechanism 6 needs to be screwed forward or reversely correspondingly, the operation process is simple and quick, and the working efficiency is high.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used herein, they are used for convenience of description and are not to be construed as limiting the invention in any way, and other devices that are the same or similar are also within the scope of the invention.

Claims (10)

1. A novel vertical belt sander comprises a rack, a motor, a rotating shaft, driving wheels and abrasive belts, and is characterized by further comprising a hand-operated abrasive belt adjusting mechanism, an auxiliary wheel adjusting mechanism, a bearing seat, auxiliary wheels and guide wheels, wherein the rotating shaft is horizontally arranged at the upper part of the rack through the bearing seat; the auxiliary wheel adjusting mechanism is arranged on the frame corresponding to the lower position of the driving wheel, and the auxiliary wheel is arranged on the auxiliary wheel adjusting mechanism and can adjust the deflection angle through the auxiliary wheel adjusting mechanism; the abrasive belt is wound around the driving wheel, the guide wheel and the auxiliary wheel.

2. The novel vertical belt sander of claim 1, wherein: the bearing frame includes pedestal and bearing, the radial increase of one end of pedestal forms the installation department, and the terminal surface middle part indent of this installation department forms the installation cavity, and the other end axial extension of this pedestal forms the portion of cup jointing, should cup joint the portion go up the axial be equipped with the shaft hole that the installation cavity is linked together, the bearing sets up in the installation cavity.

3. The novel vertical belt sander of claim 1, wherein: the auxiliary wheel adjusting mechanism comprises a fixed seat, a movable frame, an adjusting screw rod and a locking screw rod, one end of the movable frame extends horizontally to form an adjusting portion, the other end of the movable frame bends and extends for a certain distance to form a deflection portion, an adjusting cavity is formed in the fixed seat, the adjusting portion extends into the adjusting cavity, the middle of the movable frame is hinged to the fixed seat, an adjusting screw hole matched with the adjusting screw rod is formed in the adjusting portion, a plane is formed in one side of the adjusting screw hole, a through hole and a locking screw hole are correspondingly formed in the upper position, corresponding to the adjusting screw hole and the locking plane, of the fixed seat, the adjusting screw rod penetrates through the through hole to be screwed into the adjusting screw hole, the locking screw rod is screwed into the locking screw hole and penetrates out of the jacking to be pressed on the locking plane, and the auxiliary wheel is arranged on the deflection portion through a wheel shaft.

4. The novel vertical belt sander of claim 3, wherein: the lower end of the deflection part is provided with a shaft barrel for mounting the wheel shaft, the wall of the shaft barrel is radially provided with a lock hole, and a screw which can radially extend into the lock hole is screwed into the lock hole.

5. The novel vertical belt sander of claim 1, wherein: hand abrasive band adjustment mechanism includes holder, support arm optical axis, axle shoulder piece, accommodate the lead screw, adjusting nut, lead screw bearing frame, slider and alignment jig, the one end of support arm optical axis is fixed on the holder, slider movable sleeve establishes on the support arm optical axis, the alignment jig sets up on the slider, and the guide pulley sets up on the alignment jig through the installation axle, the axle shoulder piece sets up on the support arm optical axis, the lead screw bearing frame is fixed on the axle shoulder piece, accommodate the lead screw sets up on the lead screw bearing frame, and this accommodate the lead screw with the support arm optical axis parallels, adjusting nut sets up on the alignment jig, and with accommodate the lead screw looks adaptation.

6. The novel vertical belt sander of claim 5, wherein: the clamping device is characterized in that a shaft sleeve is arranged at one end of the clamping seat, an inserting sleeve perpendicular to the axial lead of the shaft sleeve is arranged at the other end of the clamping seat, a split groove is formed in the wall of the shaft sleeve, locking blocks capable of enabling the shaft diameter of the shaft sleeve to be reduced when the shaft sleeve is folded are symmetrically arranged on two sides of the split groove, a positioning block is arranged on the inserting sleeve, a locking hole capable of enabling the positioning block to radially penetrate through the positioning block and the inserting sleeve is formed in the positioning block, the optical axis of the support arm is inserted into the inserting sleeve, a clamping position is arranged at a position corresponding to the locking hole, and a screw is screwed into the locking hole and is pressed on the clamping position.

7. The novel vertical belt sander of claim 6, wherein: hand abrasive band adjustment mechanism still includes the direction subassembly, and this direction subassembly includes preceding clamp seat, back clamp seat and guide arm, preceding clamp seat and back clamp seat correspond the front and back position setting of slider and are in on the support arm optical axis, the both ends of guide arm are corresponding to be set up in the front, on the back clamp seat, and this guide arm with the support arm optical axis parallels, be equipped with the guide hole with this guide arm looks adaptation on the slider.

8. The novel vertical belt sander of claim 1, wherein: and a tray is arranged on the top surface of the rack.

9. The novel vertical belt sander of claim 1, wherein: and a protective cover for covering the driving wheel is arranged at the position of the bearing seat close to the driving wheel.

10. The novel vertical belt sander of claim 1, wherein: the base comprises an underframe, an inclined frame and a height screw rod, the underframe is fixed on the bottom surface inside the frame, one end of the inclined frame is hinged to the underframe, the other end of the inclined frame is provided with a hole matched with the height screw rod, the lower end of the height screw rod is hinged to the underframe, and the upper end of the height screw rod penetrates through the hole and is screwed with a height nut.

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