CN211661764U

CN211661764U - High-efficient abrasive band machine

Info

Publication number: CN211661764U
Application number: CN202020097404.8U
Authority: CN
Inventors: 吴新建; 张军阳; 方光华
Original assignee: Beijing Feiyu Trade Co ltd
Current assignee: Beijing Feiyu Trade Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-10-13
Anticipated expiration: 2030-01-16

Abstract

The utility model belongs to the technical field of the abrasive band machine technique and specifically relates to a high-efficient abrasive band machine is related to, which comprises a frame, the abrasive band on the live-rollers is established to live-rollers and cover of setting in the frame, the live-rollers is provided with a plurality of in the frame, and live-rollers and frame normal running fit, be provided with driving motor in the frame, driving motor drives the live-rollers and rotates, be provided with the overspeed device tensioner who is used for with the abrasive band tensioning in the frame, overspeed device tensioner is including being used for carrying out the tensioning subassembly of tensioning and being used for driving the drive assembly motion to the abrasive band, drive assembly sets up in the frame, tensioning subassembly sets up between abrasive band and frame, and tensioning subassembly. Through being provided with overspeed device tensioner in the frame, drive assembly drives the tensioning subassembly and moves to the direction of keeping away from the live-rollers to can drive the abrasive band simultaneous movement, carry out the tensioning, can avoid the abrasive band can produce the skew or the phenomenon that drops in the use, thereby improve the machining efficiency on abrasive band.

Description

High-efficient abrasive band machine

Technical Field

The utility model belongs to the technical field of the abrasive band machine technique and specifically relates to a high-efficient abrasive band machine is related to.

Background

The prior abrasive belt machine is a wood board processing instrument and comprises an abrasive belt, an abrasive belt shell for accommodating the abrasive belt, a motor shell for accommodating the motor, a handle, a driving wheel, a driven wheel and a transmission device for connecting the motor and the driving wheel. The belt sander can be divided into a table type belt sander, a vertical belt sander, a hand-push belt sander, a dust removal belt sander and the like.

The existing Chinese patent with publication number CN204295517U discloses a dust guide mechanism of an abrasive belt machine, which comprises an abrasive belt machine shell, a motor stator, a motor rotor and an abrasive belt, wherein the motor stator and the motor rotor are arranged in the abrasive belt machine shell, the abrasive belt is in transmission connection with the motor rotor, the abrasive belt is manually installed during work, the motor rotor drives the abrasive belt to rotate to polish a workpiece, and dust generated in the work process is guided out and collected through the dust guide mechanism.

The above prior art solutions have the following drawbacks: although this dust guide mechanism of abrasive band machine can carry out effectual polishing to the machine, in the course of the work, when artifical with the abrasive band installation, the abrasive band level sets up, can not make the abrasive band keep the tensioning, and the abrasive band can produce the skew in the use, even produces the phenomenon that drops to lead to the machining efficiency of abrasive band lower, consequently, need improve it.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a high-efficient abrasive band machine, it is through being provided with overspeed device tensioner in the frame, and drive assembly drives the tensioning subassembly and moves in the direction of keeping away from the live-rollers to can drive the abrasive band simultaneous movement, carry out the tensioning, can avoid the abrasive band can produce the phenomenon that squints or drops in the use, thereby improve the machining efficiency on abrasive band.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a high-efficient abrasive band machine, includes the frame, sets up live-rollers in the frame and overlaps the abrasive band of establishing on the live-rollers, and the live-rollers is provided with a plurality of in the frame, and live-rollers and frame normal running fit, is provided with driving motor in the frame, driving motor drive live-rollers rotates, be provided with the overspeed device tensioner who is used for the abrasive band tensioning in the frame, overspeed device tensioner is including being used for carrying out the tensioning subassembly of tensioning to the abrasive band and being used for driving the drive assembly of tensioning subassembly motion, drive assembly sets up in the frame, the tensioning subassembly sets up between abrasive band and frame, and the tensioning subassembly is connected with drive assembly.

By adopting the technical scheme, after the abrasive belt is installed on the rotating roller, the driving assembly is started to drive the tensioning assembly to move, the abrasive belt is driven to move in the direction away from the rotating roller, the abrasive belt is tensioned through the tensioning device, the abrasive belt can be prevented from deviating or falling in the using process, and therefore the processing efficiency of the abrasive belt is improved.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a driving device, a rotating screw and a sliding block, the driving device is fixedly arranged on the rack, the rotating screw is coaxially fixed on an output shaft of the driving device, the sliding block is sleeved on the rotating screw, the sliding block is in threaded connection with the rotating screw, a sliding frame is fixedly arranged on the sliding block, and the sliding frame is fixedly connected with the tensioning assembly.

By adopting the technical scheme, the driving device is fixedly arranged on the rack, the driving device is started to drive the rotating screw to rotate, the sliding block is driven to move on the rotating screw, the sliding frame is driven to move at the same time, and the tensioning assembly can be driven to drive the abrasive belt to move, so that the abrasive belt is tensioned and adjusted, the operation is convenient, and the labor intensity is low.

The present invention may be further configured in a preferred embodiment as: the fixed mounting panel that is provided with in frame, the spout has been seted up on the mounting panel, the carriage inlays in the spout, and carriage and spout sliding fit.

Through adopting above-mentioned technical scheme, the fixed mounting panel that is provided with in the frame has seted up the spout on the mounting panel, and during the carriage motion, can slide in the spout to make the slip of carriage more steady, high-efficient.

The present invention may be further configured in a preferred embodiment as: the tensioning subassembly includes mount and tensioning roller, the mount is fixed to be set up in the carriage, the tensioning roller sets up in the mount, and tensioning roller and mount normal running fit, the periphery butt of tensioning roller is on the medial surface of the one end that is close to the tensioning roller on the abrasive band.

Through adopting above-mentioned technical scheme, during the carriage motion, drive mount and tensioning roller move to the direction that is close to drive arrangement simultaneously, drive the abrasive band and move to the direction that is close to drive arrangement, carry out the tensioning to the abrasive band and adjust, can avoid the abrasive band to take place the phenomenon that drops in the course of working, tensioning roller and mount normal running fit make the rotation of abrasive band on the tensioning roller more high-efficient simultaneously.

The present invention may be further configured in a preferred embodiment as: be provided with the guide roll in the mount, and guide roll and mount normal running fit, the guide roll sets up in tensioning roller along the ascending both sides in abrasive band length direction.

Through adopting above-mentioned technical scheme, be provided with the guide roll in the mount, and guide roll and mount normal running fit, through the setting of guide roll, make the abrasive band more steady smooth and easy in tensioning roller department turn, avoid in tensioning roller adjustment process, the contact surface between tensioning roller and the abrasive band is less, when the tensioning roller drives the abrasive band motion, leads to the damage of abrasive band.

The present invention may be further configured in a preferred embodiment as: the driving mechanism is characterized in that a linkage mechanism is fixedly arranged on an output shaft of the driving motor and comprises a driving belt pulley, a belt and a driven belt pulley, the driving belt pulley is coaxially fixed on the output shaft of the driving motor, the driven belt pulley is coaxially fixed on a rotating roller close to one side of the driving motor, and the belt is sleeved on the driving belt pulley and the driven belt pulley.

By adopting the technical scheme, the driving motor is started to drive the driving belt pulley to rotate, the belt is driven to rotate, the driven belt pulley is driven to rotate, the rotating roller is driven to rotate, then the abrasive belt rotates, the workpiece is placed on the side surface of the abrasive belt to be polished, the workpiece can be polished, and the structure is simple.

The present invention may be further configured in a preferred embodiment as: the adjustable roller is characterized in that an adjusting groove is formed in the rack, a rotating roller far away from one side of the driving motor in the rack is arranged in the adjusting groove in a penetrating mode, fixing nuts are sleeved on two ends of the rotating roller, the inner side faces of the fixing nuts abut against the outer surface of the rack, and the rotating roller is in sliding fit with the adjusting groove.

Through adopting above-mentioned technical scheme, keep away from live-rollers and the frame sliding fit of driving motor one side, when installing the live-rollers that lie in keeping away from driving motor one side, arrange the live-rollers in the adjustment tank, then with the screw post at fixation nut screw in live-rollers both ends on, with the live-rollers butt in the adjustment tank, can realize the slip of live-rollers in the adjustment tank to can carry out preliminary tensioning regulation, the simple operation to the abrasive band through the live-rollers.

The present invention may be further configured in a preferred embodiment as: the adjusting device is characterized in that adjusting screw rods are sleeved at two ends of the rotating roller, limiting plates are fixedly arranged on the rack, the adjusting screw rods penetrate through the limiting plates, and locking nuts are sleeved on the adjusting screw rods and arranged on two sides of the limiting plates.

Through adopting above-mentioned technical scheme, the both ends cover of live-rollers is equipped with adjusting screw, adjusts the position of the live-rollers of keeping away from driving motor one side through adjusting screw, carries out preliminary tensioning to the abrasive band and adjusts to through rotating lock nut, the butt is fixed adjusting screw's position in the both sides of limiting plate, accomplishes the preliminary tensioning to the abrasive band and adjusts, the simple operation.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the tensioning device is arranged on the frame, and the driving assembly drives the tensioning assembly to move in the direction away from the rotating roller, so that the abrasive belts can be driven to move simultaneously for tensioning, the phenomenon that the abrasive belts deviate or fall off in the using process can be avoided, and the processing efficiency of the abrasive belts is improved;

2. the guide roller is arranged in the fixed frame, and is in running fit with the fixed frame, so that the abrasive belt is bent at the tensioning roller more stably and smoothly, and the abrasive belt is prevented from being damaged when the tensioning roller drives the abrasive belt to move due to the fact that the contact surface between the tensioning roller and the abrasive belt is smaller in the adjusting process of the tensioning roller;

3. adjusting screw is sleeved at two ends of the rotating roller, the position of the rotating roller far away from one side of the driving motor is adjusted through the adjusting screw, preliminary tensioning adjustment is conducted on the abrasive belt, the locking nut is rotated, the butt is connected to two sides of the limiting plate, the position of the adjusting screw is fixed, preliminary tensioning adjustment on the abrasive belt is achieved, and operation is convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view showing the structure of the tensioner;

fig. 4 is a partially enlarged view at B in fig. 3.

Reference numerals: 1. a frame; 11. mounting a plate; 111. a chute; 12. an adjustment groove; 13. fixing a nut; 14. adjusting the screw rod; 15. a limiting plate; 16. locking the nut; 2. a rotating roller; 3. an abrasive belt; 4. a drive motor; 5. a tensioning device; 51. a tension assembly; 511. a fixed mount; 512. a tension roller; 513. a guide roller; 52. a drive assembly; 521. a drive device; 522. rotating the screw; 523. a slider; 524. a carriage; 6. a linkage mechanism; 61. a drive pulley; 62. a belt; 63. a driven pulley.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a high-efficient abrasive band machine, establish abrasive band 3 on live-rollers 2 including frame 1, live-rollers 2 and the cover of setting in frame 1, live-rollers 2 is provided with a plurality of in frame 1, and live-rollers 2 and frame 1 normal running fit are provided with driving motor 4 in frame 1, and driving motor 4 drives live-rollers 2 and rotates, is provided with the overspeed device tensioner 5 that is used for the tensioning with abrasive band 3 in frame 1. After the abrasive belt 3 is installed on the belt rotating roller 2, the tensioning device 5 is started, and the abrasive belt 3 is tensioned through the tensioning device 5, so that the abrasive belt 3 can be prevented from deviating or falling in the using process, and the processing efficiency of the abrasive belt 3 is improved. And then when the polishing operation is needed, the driving motor 4 is started to drive the rotating roller 2 to rotate, the abrasive belt 3 is driven to rotate on the rack 1, and the polishing operation is carried out on the workpiece needing to be polished.

Referring to fig. 1 and 2, an adjusting groove 12 is formed in a frame 1, a rotating roller 2, which is far away from one side of a driving motor 4, on the frame 1 penetrates through the adjusting groove 12, fixing nuts 13 are sleeved on two ends of the rotating roller 2, inner side surfaces of the fixing nuts 13 abut against the outer surface of the frame 1, and the rotating roller 2 is in sliding fit with the adjusting groove 12. Rotating roller 2 close to one side of driving motor 4 on frame 1 is rotated and is cooperated on frame 1, rotating roller 2 far away from one side of driving motor 4 and frame 1 sliding fit, when installing rotating roller 2 far away from one side of driving motor 4, placing rotating roller 2 in adjusting groove 12, then screwing fixing nut 13 into the screw thread columns at two ends of rotating roller 2, and butting rotating roller 2 in adjusting groove 12. Adjusting screw rods 14 are sleeved at two ends of the rotating roller 2, limiting plates 15 are fixedly arranged on the rack 1, the adjusting screw rods 14 penetrate through the limiting plates 15, locking nuts 16 are sleeved on the adjusting screw rods 14, and the locking nuts 16 are arranged on two sides of the limiting plates 15. After the rotating roller 2 is abutted to the adjusting groove 12, the abrasive belt 3 is sleeved on the rotating roller 2, the position of the rotating roller 2 far away from one side of the driving motor 4 is adjusted through the adjusting screw rod 14, preliminary tensioning adjustment is performed on the abrasive belt 3, after the adjustment is completed, the position of the adjusting screw rod 14 is fixed through rotating the locking nut 16, and preliminary tensioning adjustment on the abrasive belt 3 is completed by abutting the rotating roller with the two sides of the limiting plate 15.

With reference to fig. 1 and 3, tensioning device 5 comprises a tensioning assembly 51 for tensioning sanding belt 3 and a drive assembly 52 for driving tensioning assembly 51 in motion, drive assembly 52 being arranged on frame 1, tensioning assembly 51 being arranged between sanding belt 3 and frame 1, and tensioning assembly 51 being connected to drive assembly 52. After the preliminary tensioning adjustment of abrasive belt 3 is completed, drive assembly 52 is started to drive tensioning assembly 51 to move, abrasive belt 3 is driven to move in the direction away from rotating roller 2, and further tensioning of abrasive belt 3 is realized.

Referring to fig. 1 and 3, the driving assembly 52 includes a driving device 521, a rotating screw 522 and a slider 523, the driving device 521 is fixedly disposed on the frame 1, and the driving device 521 may be directly formed by a motor. Referring to fig. 4, the rotating screw 522 is coaxially fixed on the output shaft of the driving device 521, the sliding block 523 is sleeved on the rotating screw 522, the sliding block 523 is in threaded connection with the rotating screw 522, the sliding frame 524 is fixedly disposed on the sliding block 523, and the sliding frame 524 is fixedly connected with the tensioning assembly 51. When the abrasive belt 3 needs to be further tensioned and adjusted, the driving device 521 is started to drive the rotating screw 522 to rotate, so as to drive the sliding block 523 to move on the rotating screw 522 and simultaneously drive the sliding frame 524 to move. The fixed mounting panel 11 that is provided with on frame 1, seted up spout 111 on the mounting panel 11, carriage 524 inlays in spout 111, and carriage 524 and spout 111 sliding fit. The slide block 523 moves, the slide block 523 and the sliding frame 524 slide in the rotating screw 522 and the sliding groove 111 respectively, when the sliding frame 524 slides in a direction close to the driving device 521, the tensioning assembly 51 can be driven to drive the abrasive belt 3 to move for tensioning adjustment, and after the adjustment is completed, the driving device 521 is closed.

Referring to fig. 1 and 3, the tensioning assembly 51 includes a fixing frame 511 and a tensioning roller 512, the fixing frame 511 is fixedly disposed in the sliding frame 524, the tensioning roller 512 is disposed in the fixing frame 511, the tensioning roller 512 is rotatably engaged with the fixing frame 511, and a circumferential surface of the tensioning roller 512 abuts against an inner side surface of one end of the abrasive belt 3 close to the tensioning roller 512. When the sliding frame 524 moves, the fixing frame 511 and the tensioning roller 512 are driven to move towards the direction close to the driving device 521 at the same time, the abrasive belt 3 is driven to move towards the direction close to the driving device 521, the abrasive belt 3 is tensioned and adjusted, and after the adjustment is completed, the driving device 521 is closed.

Referring to fig. 1 and 3, in order to make the contact surface between tension roller 512 and abrasive belt 3 smaller during the adjustment of tension roller 512, and damage to abrasive belt 3 is caused when tension roller 512 moves abrasive belt 3, guide roller 513 is disposed in fixed frame 511, and guide roller 513 is rotatably engaged with fixed frame 511, and guide rollers 513 are disposed on both sides of tension roller 512 along the length direction of abrasive belt 3. By the arrangement of guide roller 513, the turning of abrasive belt 3 at tensioning roller 512 is more smooth and stable, and abrasive belt 3 is prevented from being damaged.

Referring to fig. 1, a linkage mechanism 6 is fixedly disposed on an output shaft of the driving motor 4, the linkage mechanism 6 includes a driving pulley 61, a belt 62 and a driven pulley 63, the driving pulley 61 is coaxially fixed on the output shaft of the driving motor 4, the driven pulley 63 is coaxially fixed on the rotating roller 2 near one side of the driving motor 4, and the belt 62 is sleeved on the driving pulley 61 and the driven pulley 63. After the abrasive belt 3 is tensioned and adjusted, a workpiece is polished, the driving motor 4 is started to drive the driving belt pulley 61 to rotate, the belt 62 is driven to rotate, the driven belt pulley 63 is driven to rotate, the rotating roller 2 rotates, then the abrasive belt 3 rotates, and the workpiece is placed on the side surface of the abrasive belt 3 to be polished.

The implementation principle of the embodiment is as follows: when a workpiece needs to be polished, the rotating roller 2 close to one side of the driving motor 4 is installed firstly, then the rotating roller 2 far away from one side of the driving motor 4 is installed, the rotating roller 2 is arranged in the adjusting groove 12, then the fixing nuts 13 are screwed into threaded columns at two ends of the rotating roller 2, the rotating roller 2 is abutted to the adjusting groove 12, the abrasive belt 3 is sleeved on the rotating roller 2, then the position of the rotating roller 2 far away from one side of the driving motor 4 is adjusted through the adjusting screw 14, preliminary tensioning adjustment is carried out on the abrasive belt 3, after the adjustment is completed, the locking nuts 16 are rotated, and the abutting is carried out on two sides of the limiting plate 15, and the position of the adjusting screw 14 is fixed. Then, the driving device 521 is started to drive the rotating screw 522 to rotate, the sliding block 523 is driven to move on the rotating screw 522, and the sliding frame 524 is driven to slide in the direction close to the driving device 521, so that the tensioning assembly 51 can be driven to drive the abrasive belt 3 to move for tensioning adjustment, and after the adjustment is completed, the driving device 521 is closed. Then, the driving motor 4 is started to drive the driving pulley 61 to rotate, the belt 62 to rotate, and the driven pulley 63 to rotate, so that the rotating roller 2 rotates, and then the abrasive belt 3 rotates, and a workpiece is placed on the side surface of the abrasive belt 3 to perform a polishing operation.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A high-efficiency abrasive belt machine comprises a rack (1), a plurality of rotating rollers (2) arranged on the rack (1) and abrasive belts (3) sleeved on the rotating rollers (2), wherein the rotating rollers (2) are arranged on the rack (1), the rotating rollers (2) are in running fit with the rack (1), a driving motor (4) is arranged on the rack (1), and the driving motor (4) drives the rotating rollers (2) to rotate, and the high-efficiency abrasive belt machine is characterized in that a tensioning device (5) used for tensioning the abrasive belts (3) is arranged on the rack (1), the tensioning device (5) comprises a tensioning assembly (51) used for tensioning the abrasive belts (3) and a driving assembly (52) used for driving the tensioning assembly (51) to move, the driving assembly (52) is arranged on the rack (1), and the tensioning assembly (51) is arranged between the abrasive belts (3) and the rack (1), and the tensioning assembly (51) is connected with the driving assembly (52).

2. The high-efficiency belt sander as set forth in claim 1, wherein the driving assembly (52) comprises a driving device (521), a rotating screw (522) and a sliding block (523), the driving device (521) is fixedly arranged on the frame (1), the rotating screw (522) is coaxially fixed on an output shaft of the driving device (521), the sliding block (523) is sleeved on the rotating screw (522), the sliding block (523) is in threaded connection with the rotating screw (522), a sliding frame (524) is fixedly arranged on the sliding block (523), and the sliding frame (524) is fixedly connected with the tensioning assembly (51).

3. The high-efficiency belt sander as recited in claim 2, wherein a mounting plate (11) is fixedly disposed on the machine frame (1), a chute (111) is formed in the mounting plate (11), the sliding frame (524) is embedded in the chute (111), and the sliding frame (524) is in sliding fit with the chute (111).

4. A high-efficiency belt sander as set forth in claim 3, wherein said tensioning assembly (51) comprises a fixed frame (511) and a tension roller (512), said fixed frame (511) is fixedly disposed in a sliding frame (524), said tension roller (512) is disposed in the fixed frame (511), and the tension roller (512) is rotatably fitted with the fixed frame (511), the circumferential surface of said tension roller (512) abuts against the inner side surface of the sanding belt (3) near one end of the tension roller (512).

5. A high-efficiency belt sander as set forth in claim 4, characterized in that guide rollers (513) are arranged in said holder (511), and said guide rollers (513) are rotatably fitted to said holder (511), and said guide rollers (513) are arranged on both sides of said tension roller (512) along the length direction of said sanding belt (3).

6. The efficient belt sander as recited in claim 5, wherein a linkage mechanism (6) is fixedly arranged on an output shaft of the driving motor (4), the linkage mechanism (6) comprises a driving pulley (61), a belt (62) and a driven pulley (63), the driving pulley (61) is coaxially fixed on the output shaft of the driving motor (4), the driven pulley (63) is coaxially fixed on the rotating roller (2) close to one side of the driving motor (4), and the belt (62) is sleeved on the driving pulley (61) and the driven pulley (63).

7. The efficient belt sander as recited in claim 6, wherein the rack (1) is provided with an adjusting groove (12), the rotating roller (2) on one side of the rack (1) far away from the driving motor (4) is arranged in the adjusting groove (12) in a penetrating manner, two ends of the rotating roller (2) are sleeved with fixing nuts (13), the inner side surface of each fixing nut (13) abuts against the outer surface of the rack (1), and the rotating roller (2) is in sliding fit with the adjusting groove (12).

8. The high-efficiency belt sander according to claim 7, wherein adjusting screws (14) are sleeved at two ends of the rotating roller (2), limiting plates (15) are fixedly arranged on the rack (1), the adjusting screws (14) penetrate through the limiting plates (15), locking nuts (16) are sleeved on the adjusting screws (14), and the locking nuts (16) are arranged on two sides of the limiting plates (15).