CN219945648U - Self-adaptive abrasive belt device - Google Patents

Abstract

The utility model relates to the technical field of material surface polishing, in particular to a self-adaptive abrasive belt device, which comprises a fixed base, wherein an abrasive belt, a floating abutting mechanism for self-adaptive pressure change, a driving mechanism for driving the abrasive belt to drive and a tensioning mechanism for adjusting the pretightening force of the abrasive belt are arranged on the fixed base, the tensioning mechanism comprises an adjusting component and a driven component for adjusting the tensioning degree of the abrasive belt, the adjusting component, the driven component and the driving mechanism are abutted with the inner surface of the abrasive belt and form a triangular supporting point for supporting the abrasive belt to stably drive, the floating abutting mechanism is abutted with the inner surface of the abrasive belt, the abutting part of the floating abutting mechanism and the abrasive belt is the part of a workpiece abutting against the abrasive belt, the contact between the abrasive belt and the workpiece is soft contact due to the self-adaptive pressure change of the floating abutting mechanism, the impact of the contact surface is not easy to be caused when the workpiece is polished, the workpiece is polished more finely, and the surface of the workpiece is smoother.

Description

Self-adaptive abrasive belt device

Technical Field

The utility model relates to the technical field of material surface polishing, in particular to a self-adaptive abrasive belt device.

Background

The abrasive belt polishing device is a common machining device for polishing the surfaces of metal products and wood materials, is an important device of a metal product production line, and is widely applied to industries such as hardware, water heating and the like. The abrasive belt polishing utilizes the grinding performance of sand grains on the abrasive belt to polish the surface of the workpiece, and the quality and the precision of the surface of the workpiece polished by the abrasive belt are higher.

In the related art, the abrasive belt polishing device comprises an abrasive belt, a driven wheel for fixing the abrasive belt and a driver for driving the driven wheel to rotate, wherein the driver drives the driven wheel to rotate so as to drive the abrasive belt to rotate so as to polish a workpiece.

Disclosure of Invention

The utility model provides a self-adaptive abrasive belt device, which aims to solve the problems that contact surface impact is often caused when an abrasive belt device polishes a workpiece and uneven surface of the workpiece is easy to cause.

The utility model provides a self-adaptation abrasive band device, includes unable adjustment base, be provided with the floating butt mechanism of abrasive band, self-adaptation pressure variation on the unable adjustment base, drive abrasive band driven actuating mechanism and adjust the straining device of abrasive band pretightning force size, straining device is including adjusting component, the driven component that are used for adjusting abrasive band tensioning degree, adjusting component, driven component and actuating mechanism all with the internal surface butt of abrasive band and form and support abrasive band stable drive's triangle supporting point, floating butt mechanism with the internal surface butt of abrasive band.

Through adopting above-mentioned technical scheme, actuating mechanism drives the abrasive band and stabilizes the transmission and realize that the abrasive band moves at a high speed and polish the work piece, driven component cooperation adjusting part tensioning abrasive band is with the stable support of abrasive band so that the abrasive band is difficult to break away from when high-speed rotation, the position that the abrasive band was pressed to the position is pressed for the work piece to the abrasive band to the butt mechanism that floats, the contact between abrasive band and the work piece is soft contact in the adaptive pressure variation of butt mechanism that floats makes, be difficult to cause the impact of contact surface when polishing the work piece, make the polishing of work piece finer, the work piece surface is more level and more smooth.

Preferably, the buoyancy butt mechanism includes first fixing base, fixed plate, removal backup pad, butt piece, a plurality of elastic component, the bottom of first fixing base with fixed base's top is connected fixedly, the fixed plate is fixed in the top of first fixing base, a plurality of the one end of elastic component is connected one side of fixed plate, a plurality of the other end of elastic component is connected one side of removal backup pad, the butt piece is fixed in remove the backup pad and keep away from one side of elastic component, the butt piece with the internal surface butt of abrasive band.

Through adopting above-mentioned technical scheme, when the work piece contacted the abrasive band, the butt piece pressurized, and pressure transfer is to the removal backup pad, realizes through removal backup pad compression elastic component that buoyancy butt mechanism adapts to the unsteady that the work piece applyed pressure for contact between abrasive band and the work piece is soft contact, and the material of preferred butt piece is wear-resisting rubber, and wear-resisting rubber is less when contacting with the abrasive band, reduces because of the circumstances that the quick wearing and tearing of butt piece caused butt piece and abrasive band contact surface unevenness, and then is favorable to the meticulous polishing of work piece.

Preferably, a sliding rail is arranged at the top of the first fixing seat, a sliding block is arranged at the bottom of the elastic piece, the sliding rail is in sliding connection with the sliding block, and the moving direction of the sliding block is the same as the compression direction of the elastic piece.

Through adopting above-mentioned technical scheme, slide rail and slider sliding connection can be more steady when making the removal backup pad atress remove, and further, remove backup pad steady removal for abrasive belt can steady atress to the contact surface of polishing when polishing the work piece, and is better to the effect of polishing of work piece.

Preferably, the side of the movable supporting plate, which is far away from the elastic piece, is provided with a groove, the groove penetrates through the top and the bottom of the elastic piece, the opposite side walls of the movable supporting plate, which correspond to the groove, are provided with clamping grooves for clamping the side edges of the abutting blocks, the two clamping grooves penetrate through the top and the bottom of the movable supporting plate, and one side surface of the abutting block protrudes out of the groove and is abutted with the inner surface of the abrasive belt.

Through adopting above-mentioned technical scheme, the both sides limit joint of butt piece is in the draw-in groove, and butt piece and draw-in groove interference fit realize removing the backup pad and to the fixed of butt piece, and further, fixed mode is simple be convenient for carry out quick replacement to the butt piece that has certain loss, and the reduction time is extravagant, increases work efficiency.

Preferably, the driven component comprises a second fixing seat, a fixing shaft, a rotating shaft, a driven wheel and a supporting spring, wherein the second fixing seat is fixed at the top of the fixing base, the fixing shaft is in threaded connection with the second fixing seat, the rotating shaft is sleeved on the outer wall of the fixing shaft, the rotating shaft and the fixing shaft can rotate relatively, one end of the supporting spring is connected with the top of the second fixing seat, the other end of the supporting spring is connected with the bottom of the rotating shaft, the driven wheel is in rotary connection with the rotating shaft, a knob is arranged at the top of the fixing shaft and is in butt joint with the top of the rotating shaft, and the outer wall of the driven wheel is in butt joint with the inner surface of the abrasive belt.

Through adopting above-mentioned technical scheme, from the driving wheel and rotate along with the conveying of abrasive band, change the drive direction of abrasive band and be favorable to increasing the stability of abrasive band conveying, reduce the abrasive band and float the condition that other parts contact caused other parts loss except the butt piece in the butt mechanism, further, twist the knob, rotate the fixed axle and make the fixed axle upwards or move down, but the height of fine adjustment fixed axle, the condition of off normal when being favorable to the quick adjustment abrasive band installation, more stable when making abrasive band conveying, supporting spring is used for supporting the pivot, and make the pivot be difficult to rotate, the butt knob all the time, make from the driving wheel receive abrasive band traction can stable rotation.

Preferably, the adjusting part comprises a first movable rod, a second movable rod, a tensioning wheel and an extension spring, wherein the first movable rod and the second movable rod are integrally formed and form a V-shaped structure, a movable hole is formed in the connecting position of the first movable rod and the second movable rod, a first shaft core sleeved on the movable hole is arranged at the top of the fixed base, a second shaft core is arranged at one end of the first movable rod in an upward extending mode, the second shaft core is rotationally connected with the tensioning wheel, one end of the extension spring is fixed to the fixed base, the other end of the extension spring is connected with the second movable rod, and the outer wall of the tensioning wheel is in butt joint with the inner surface of the abrasive belt.

Through adopting above-mentioned technical scheme, integrated into one piece's first movable rod and second movable rod can rotate around first axle core, and extension spring applys a pulling force to exerting the second movable rod through elastic deformation for first movable rod moves to pulling force opposite direction, drives the take-up pulley and supports the pressure abrasive band, realizes take-up pulley and driven wheel cooperation and makes abrasive band tensioning stable with the abrasive band conveying, and is further, makes the take-up pulley loosen the support of pressing to the abrasive band through extension spring, can relax the change of abrasive band be convenient for.

Preferably, the second movable rod is provided with a plurality of fixing pieces at intervals, and the extension spring and the fixing pieces are connected to apply tension to the second movable rod.

Through adopting above-mentioned technical scheme, extension spring is fixed in the mounting of different positions, and extension spring is different to the pulling force of second movable rod for the tensioning degree of abrasive band can be adjusted, so that adapt to the grinding shaping of different material work pieces, the device compatibility is high.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the movable supporting plate is pressed against the elastic piece through the abutting block to compress the elastic piece, so that the floating of the pressure applied to the workpiece is adapted, the contact between the abrasive belt and the workpiece is soft contact, the impact of a contact surface is not easy to cause when the workpiece is polished, the workpiece is polished more finely, and the surface of the workpiece is smoother.

2. The sliding rail and the sliding block are in sliding connection, so that the movable supporting plate can stably move when being stressed, the polishing contact surface can stably bear force when polishing a workpiece, the polishing effect on the workpiece is better, the clamping groove is used for clamping the abutting block, the abutting block is quickly replaced, and the working efficiency is improved.

3. The adjusting component and the driven component are matched to tension the abrasive belt, so that the unstable abrasive belt conveying condition or the falling condition in the abrasive belt conveying process caused by the looseness of the abrasive belt can be reduced, and the workpiece grinding precision is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of an adaptive belt sander according to the present utility model.

FIG. 2 is a schematic view of a floating abutment assembly according to the present utility model.

Fig. 3 is a schematic view of the structure of the adjusting assembly according to the present utility model.

Fig. 4 is a schematic view of the structure of the driven assembly according to the present utility model.

Reference numerals illustrate: 1. a fixed base; 11. a first shaft core; 2. abrasive belt; 3. a floating abutment mechanism; 31. a first fixing seat; 311. a slide rail; 32. a fixing plate; 33. a movable support plate; 331. a slide block; 332. a groove; 333. a clamping groove; 34. an abutment block; 35. an elastic member; 4. a driving mechanism; 41. a driver; 42. a driving wheel; 421. a convex strip; 5. a tensioning mechanism; 51. an adjustment assembly; 511. a first movable lever; 5111. a second axial core; 512. a second movable rod; 5121. a fixing member; 5122. a handle; 513. a tensioning wheel; 514. a tension spring; 515. a movable hole; 52. a driven assembly; 521. the second fixing seat; 522. a fixed shaft; 5221. a knob; 523. a rotating shaft; 524. driven wheel; 525. and a support spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, an adaptive belt sander comprises a fixed base 1, wherein the top of the fixed base 1 is provided with a sanding belt 2 for grinding a workpiece, a floating abutting mechanism 3 which adaptively floats according to contact pressure, a driving mechanism 4 for driving the sanding belt 2 to transmit, and a tensioning mechanism 5 for tensioning the sanding belt 2, the floating abutting mechanism 3, the driving mechanism 4 and the tensioning mechanism 5 are all arranged at the top of the fixed base 1, the tensioning mechanism 5 comprises an adjusting component 51 and a driven component 52, the floating abutting mechanism 3 is fixed between the adjusting component 51 and the driven component 52, the sanding belt 2 is abutted with the adjusting component 51, the driven component 52 and the driving mechanism 4, and forms a stable triangular transmission route, the driving mechanism 4 comprises a driver 41 and a driving wheel 42, the driver 41 is fixed on the fixed base 1, the driving wheel 42 is connected with a power main shaft of the driver 41, the driver 41 drives the driving wheel 42 to rotate, the outer wall of the driving wheel 42 is abutted against the inner surface of the sanding belt 2, and the outer wall of the driving wheel 42 is provided with a convex strip 421 which is beneficial to increasing friction force and is beneficial to driving the sanding belt 2.

Referring to fig. 1 and 2, the floating abutment mechanism 3 includes a first fixing seat 31, a fixing plate 32, a moving support plate 33, an abutment block 34, and a plurality of elastic members 35, the fixing plate 32 is vertically fixed at the top of the first fixing seat 31, a sliding rail 311 is provided at the top of the first fixing seat 31, a sliding block 331 slidably connected with the sliding rail 311 is provided at the bottom of the moving support plate 33, one end of the plurality of elastic members 35 is fixed at one side of the fixing plate 32, the other ends of the plurality of elastic members 35 are fixed at one side of the moving support plate 33, the sliding direction of the sliding block 331 is consistent with the compression or rebound direction of the elastic members 35, a groove 332 is provided at one side of the moving support plate 33 far away from the elastic members 35, clamping grooves 333 are provided at both side walls of the groove 332 corresponding to the moving support plate 33, the side edges of the clamping grooves 333 clamp the abutment block 34 to fix the abutment block 34, and one side surface of the abutment block 34 protrudes out of the groove 332 to abut against the inner surface of the abrasive belt 2.

Referring to fig. 1 and 3, the adjusting component 51 includes a first movable rod 511, a second movable rod 512, a tensioning wheel 513, and an extension spring 514, where the first movable rod 511 and the second movable rod 512 are integrally formed and are in a V-shaped structure, an angle between the first movable rod 511 and the second movable rod 512 is preferably 100 ° -120 °, a movable hole 515 is formed at a connection position of the first movable rod 511 and the second movable rod 512, a first shaft core 11 embedded in the movable hole 515 is disposed at a top of the fixed base 1, the first movable rod 511 and the second movable rod 512 can rotate relative to the second shaft core 5111, the second shaft core 5111 is rotatably connected with the tensioning wheel 513, a plurality of fixing pieces 5121 for fixing the extension spring 514 are disposed at intervals on the second movable rod 512, one end of the extension spring 514 is fixed on a top of the fixed base 1, the other end of the extension spring 514 is fixed on the fixing piece 5121, the first movable rod 511 moves through a pulling force of the extension spring 514, the tensioning wheel 513 is driven to press the tensioning wheel 513 to press the driven component 52 to realize tensioning of the abrasive belt 2, and the second shaft core 5111 can be conveniently pulled by the tensioning wheel 512 to the second movable rod 5122, and the second shaft 512 can be fixed on the second movable end 512 through the fixing pieces.

Referring to fig. 1 and 4, the driven assembly 52 includes a second fixing base 521, a fixing shaft 522 (not shown), a rotating shaft 523, a driven wheel 524, and a supporting spring 525, the second fixing base 521 is fixed at the top of the fixing base 1, the fixing shaft 522 is in threaded connection with the second fixing base 521, the rotating shaft 522 can adjust the height change of the fixing shaft 522, the rotating shaft 523 is sleeved on the outer wall of the fixing shaft 522 and can rotate relatively, one end of the supporting spring 525 is connected with the top of the second fixing base 521, the other end of the supporting spring 525 is connected with the bottom of the rotating shaft 523, the driven wheel 524 is rotatably connected with the rotating shaft 523, the supporting spring 525 is used for stabilizing the rotating shaft 523 to enable the driven wheel 524 to rotate stably, a knob 5221 for facilitating the rotation of the fixing shaft 522 is arranged at the top of the fixing shaft 522, the knob 5221 is abutted with the top of the rotating shaft 523, and the outer wall of the driven wheel 524 is abutted with the inner surface of the abrasive belt 2.

The implementation principle of the self-adaptive abrasive belt device provided by the embodiment of the utility model is as follows: the driven wheel 524 and the tensioning wheel 513 are respectively arranged at two sides of the floating abutting block 34, the tension spring 514 pulls the second movable rod 512 to enable the second movable rod 512 to drive the tensioning wheel 513 to move and press the abrasive belt 2, the tension wheel 2 is matched with the driven wheel 524 to be tensioned, the driver 41 drives the driving wheel 42 to rotate, the driving wheel 42 pulls the abrasive belt 2 to drive, the contact part of the abrasive belt 2 and the abutting block 34 is the part for grinding a workpiece, the workpiece is abutted against the abrasive belt 2, the workpiece applies pressure to the abutting block 34, the force is transmitted to the movable supporting plate 33, the movable supporting plate 33 is pushed to slide along the length direction of the sliding rail 311 to compress the elastic piece 35, the elastic piece 35 enables the movable supporting plate 33 to adaptively float according to the pressure, the contact between the workpiece and the abrasive belt 2 is soft contact, the condition of contact surface impact between the workpiece and the abrasive belt 2 is reduced, and the surface of the workpiece is polished more flatly; the tension of belt 2 is adjusted by fixing tension spring 514 to fixing 5121 at a different position on second movable bar 512.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. An adaptive belt sander, comprising: including fixed base (1), be provided with abrasive band (2), self-adaptation pressure variation's floating butt mechanism (3), drive abrasive band (2) driven actuating mechanism (4) and adjust abrasive band (2) pretightning force size's straining device (5) on fixed base (1), straining device (5) are including adjusting subassembly (51), driven subassembly (52) that are used for adjusting abrasive band (2) rate of tension, adjusting subassembly (51), driven subassembly (52) and actuating mechanism (4) all with abrasive band (2) internal surface butt and form and support abrasive band (2) stable driven triangle supporting point, floating butt mechanism (3) with abrasive band (2) internal surface butt.

2. An adaptive belt sander as set forth in claim 1, wherein: the floating abutting mechanism (3) comprises a first fixing seat (31), a fixing plate (32), a movable supporting plate (33), an abutting block (34) and a plurality of elastic pieces (35), wherein the bottom of the first fixing seat (31) is fixedly connected with the top of the fixing base (1), the fixing plate (32) is fixed on the top of the first fixing seat (31), one end of each elastic piece (35) is connected with one side of the fixing plate (32), the other ends of the elastic pieces (35) are connected with one side of the movable supporting plate (33), the abutting block (34) is fixed on one side, away from the elastic pieces (35), of the movable supporting plate (33), and the abutting block (34) is abutted with the inner surface of the abrasive belt (2).

3. An adaptive belt sander as set forth in claim 2, wherein: the top of first fixing base (31) is provided with slide rail (311), the bottom of elastic component (35) is provided with slider (331), slide rail (311) with slider (331) sliding connection, the direction of movement of slider (331) with the compression direction of elastic component (35) is the same.

4. An adaptive belt sander as set forth in claim 2, wherein: the utility model discloses a sand belt (2) abrasive belt, including elastic component (35) and abrasive belt, removal backup pad (33) are kept away from one side of elastic component (35) has seted up recess (332), recess (332) run through the top and the bottom of elastic component (35), removal backup pad (33) correspond the joint draw-in groove (333) of butt piece (34) side are all seted up to the opposite both sides wall of recess (332), two draw-in groove (333) all run through the top and the bottom of removal backup pad (33), the protruding extension of a side of butt piece (34) recess (332) and with abrasive belt (2) internal surface butt.

5. An adaptive belt sander as set forth in claim 1, wherein: the driven assembly (52) comprises a second fixing seat (521), a fixing shaft (522), a rotating shaft (523), a driven wheel (524) and a supporting spring (525), wherein the second fixing seat (521) is fixed at the top of the fixed base (1), the fixing shaft (522) is in threaded connection with the second fixing seat (521), the rotating shaft (523) is sleeved on the outer wall of the fixing shaft (522), the rotating shaft (523) can rotate relative to the fixing shaft (522), one end of the supporting spring (525) is connected with the top of the second fixing seat (521), the other end of the supporting spring (525) is connected with the bottom of the rotating shaft (523), the driven wheel (524) is connected with the rotating shaft (523) in a rotating mode, a knob (5221) is arranged at the top of the fixing shaft (522), and the outer wall of the driven wheel (524) is in butt with the inner surface of the abrasive belt (2).

6. An adaptive belt sander as set forth in claim 1, wherein: the utility model discloses a belt sander, including adjusting part (51), including first movable rod (511), second movable rod (512), take-up pulley (513), extension spring (514), first movable rod (511) with second movable rod (512) integrated into one piece just becomes V type structure, first movable rod (511) with movable hole (515) have been seted up to the hookup location of second movable rod (512), fixed base (1) top be provided with overlap in first axle core (11) of movable hole (515), the one end of first movable rod (511) upwards extends and is provided with second axle core (5111), second axle core (5111) with take-up pulley (513) rotate to be connected, one end of extension spring (514) is fixed in fixed base (1), the other end of extension spring (514) with second movable rod (512) are connected, the outer wall of take-up pulley (513) with the internal surface butt of abrasive band (2).

7. An adaptive belt sander as set forth in claim 6, wherein: the second movable rod (512) is provided with a plurality of fixing pieces (5121) at intervals, and the tension spring (514) is connected with the fixing pieces (5121) to apply tension to the second movable rod (512).

8. An adaptive belt sander as set forth in claim 6, wherein: the end of the second movable rod (512) is provided with a handle (5122).