CN213258734U

CN213258734U - Grinding machine

Info

Publication number: CN213258734U
Application number: CN202022112166.6U
Authority: CN
Inventors: 董巍巍
Original assignee: Shanghai Yingli Metal Structure Co ltd
Current assignee: Shanghai Yingli Metal Structure Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-05-25
Anticipated expiration: 2030-09-23

Abstract

The utility model relates to a polisher, including handheld frame, be fixed with the mounting panel on the terminal surface of handheld frame one end, mounting panel one side is fixed with the motor, the mounting panel opposite side rotates there is the action wheel, the pivot of action wheel and the coaxial fixed connection of pivot of motor, the one end that the mounting panel kept away from handheld frame rotates there is the installation pipe, be provided with on the mounting panel and be used for restricting installation pipe pivoted locating part, the installation pipe is kept away from mounting panel one end and is provided with from the driving wheel, the mounting panel is close to action wheel one side and is provided with the abrasive band, the abrasive band is around rolling up at the action wheel and from the driving wheel, be provided with the regulating part that is. This application has the flexibility ratio that has promoted the polisher, is convenient for more deal with the effect of multiple complicated operating mode.

Description

Grinding machine

Technical Field

The application relates to the technical field of polishing, in particular to a polishing machine.

Background

The grinding machine is widely applied to grinding and polishing treatment of the surface of a workpiece. According to the polishing requirements of different products, a variety of polishing machines exist on the market. Hand held sanders are currently gaining popularity for their compactness and convenience.

The prior abrasive belt sander polishes the surface of a workpiece by utilizing the grinding performance of sand grains on an abrasive belt, and the quality and the precision of the surface of the workpiece polished by the abrasive belt are higher.

In view of the above related technologies, the inventor believes that although an existing belt sander can polish a workpiece surface with high precision, the sanding direction of the existing belt sander can only polish along a handheld direction, and some sheet metal cavities with complex structures are difficult to polish.

SUMMERY OF THE UTILITY MODEL

In order to promote the nimble degree of polisher, be convenient for polish some inner chambers that the structure is complicated, this application provides a polisher.

The application provides one, adopt following technical scheme:

the utility model provides a polisher, includes handheld frame, be fixed with the mounting panel on the handheld frame one end terminal surface, mounting panel one side is fixed with the motor, the mounting panel opposite side rotates there is the action wheel, the pivot of action wheel and the coaxial fixed connection of pivot of motor, the one end that the mounting panel kept away from handheld frame rotates there is the installation pipe, be provided with on the mounting panel and be used for restricting installation pipe pivoted locating part, the installation pipe is kept away from mounting panel one end and is provided with from the driving wheel, the mounting panel is close to action wheel one side and is provided with the abrasive band, the abrasive band is around rolling up at the action wheel and from the driving wheel, be provided with the regulating part that.

Through adopting above-mentioned technical scheme, according to the operating mode of actually polishing, adjust the contained angle between installation pipe and the handheld frame, adjust the back of accomplishing, through the locating part, make the installation pipe be difficult to rotate, simultaneously according to operating mode's inner chamber degree of depth, adjust the interval from between driving wheel and the action wheel, select the abrasive band of suitable length simultaneously, establish the abrasive band cover at the action wheel and from the driving wheel, through the regulating part, make the abrasive band tensioning, can polish, whole process of polishing, can be according to operating mode, adjust the length in abrasive band and the contained angle between installation pipe and the handheld frame, the flexibility ratio of polisher has been promoted, be convenient for more and deal with multiple complicated operating mode.

Optionally, the locating part includes the first pole of slip on the mounting panel, sets up spring, the integrative second pole of keeping away from spring one end at the first pole, the integrative third pole of keeping away from first pole one end at the second pole of fixing at the first pole, one side that the mounting panel is close to the motor has seted up the first groove, first pole one end slides in the first groove, and the other end stretches out outside the first groove, spring one end is fixed on the one end inner wall of first groove towards the external world, the spring other end is fixed on the first pole, the first pole is perpendicular setting with the second pole, the second pole is perpendicular setting with the third pole, a plurality of second groove has been seted up to the interval is even on the one end outer wall that the installation pipe is close to the motor, the third pole is inserted and is established in the second groove.

Through adopting above-mentioned technical scheme, some staff of polishing are not good standing for being convenient for more, or when handheld position is difficult to the work piece inner chamber of buckling, this moment need through rotating the installation pipe, change the contained angle of installation pipe and handheld frame and come the polishing of being convenient for more, rotate the in-process, in advance with the vertical upwards pulling of second pole, make the spring stretched, the third pole breaks away from the second groove, then when will installing the pipe and rotate appointed angle, loosen the second pole, under the effect of spring restoring force, make the third pole insert the second inslot, thereby the installation pipe just is difficult to rotate.

Optionally, the regulating part includes that the slide bar, the threaded connection of slip in the installation pipe intracavity keep away from the spacing bolt of motor one end at the installation pipe, the bolt stretches into the one end butt of installation pipe intracavity on the lateral wall of slide bar, the one end that the motor was kept away from to the slide bar rotates there is the round bar, the round bar is located the slide bar and is close to action wheel one side, follow the coaxial setting of driving wheel on the round bar, be provided with the retaining member of being convenient for change from the driving wheel.

Through adopting above-mentioned technical scheme, in order to be convenient for polish some complicated inner chambers more, when needing to stretch into the inner chamber with the abrasive band and polish, need adjust the interval from between driving wheel and the action wheel, rotate limit bolt, the one end orientation that has the round bar with the slide bar is kept away from the direction pulling of action wheel, when pulling out appointed interval with the slide bar, reverse limit bolt for the slide bar is difficult to slide in the installation tube, overlap the abrasive band of establishing corresponding length on action wheel and follow driving wheel can.

Optionally, the retaining member includes that the coaxial first pipe of fixing on one side of the follow driving wheel, a plurality of setting keep away from at the first pipe from a driving piece that takes one of the last ball of driving wheel, setting are used for driving a plurality of ball to support tightly on the round bar outer wall outside the first pipe, the first pipe is kept away from around its circumference interval is even on the one end outer wall of follow driving wheel and has been seted up a plurality of recess, the inner wall of the first pipe of recess intercommunication, the ball slides and inlays and establishes in the inner chamber of recess.

Through adopting above-mentioned technical scheme, insert the pole circle in advance downthehole from the driving wheel for the pole circle is located the inner chamber of first pipe, through the driving piece, makes a plurality of ball roll towards the direction that is close to the pole circle outer wall in the recess, until a plurality of ball support tightly on the outer wall of pole circle.

Optionally, the driving member includes a second tube coaxially disposed outside the first tube, and a third tube coaxially fixed outside the second tube, one end of the second tube abuts against the outer wall of the ball, and the other end of the second tube is in threaded connection with the outer wall of the first tube.

Through adopting above-mentioned technical scheme, will install on the pole from the driving wheel, in the installation, insert the pole in the shaft hole from the driving wheel in advance, rotate the third pipe for the second pipe rotates with the third pipe together, thereby the second pipe butt is moving towards the direction roll that is close to the pole outer wall simultaneously to a plurality of ball, until a plurality of ball supports tightly on the outer wall of pole simultaneously.

Optionally, an inner edge of one end of the second tube facing the ball is provided with an inner chamfer, and an inclined surface of the inner chamfer abuts against an outer wall of the ball.

Through adopting above-mentioned technical scheme, will follow the in-process of driving wheel coaxial fastening at the round bar, rotate the second pipe, under threaded connection's effect for the second pipe is seted up the one end orientation of interior chamfer and is removed near the direction of ball, because the spigot surface is towards the ball, thereby the second pipe butt of being convenient for more is moving near the direction of round bar outer wall towards the ball.

Optionally, an annular groove is formed in the outer wall of the round rod, and the ball abuts against the inner wall of the annular groove.

Through adopting above-mentioned technical scheme, the ball supports tightly in the annular for it breaks away from the round bar more to be difficult for from the driving wheel, has promoted the stability of following the installation of driving wheel.

Optionally, a plurality of arc-shaped grooves are evenly arranged on the outer wall of one end, far away from the motor, of the handheld frame at intervals, a hand rod is fixed on the outer wall of one end, far away from the motor, of the handheld frame, the two ends of the hand rod are fixed on the outer wall of the handheld frame, and the arc-shaped grooves are located between the two ends of the hand rod.

Through adopting above-mentioned technical scheme, the arc wall is convenient for the staff and places the finger in the arc wall, and the both ends of handspike are the form of buckling and all fix on the outer wall of handheld frame, and the staff is being held the in-process of holding the hand frame between being convenient for place the handspike with the palm and holding the frame more, the in-process of polishing for it is difficult for handheld frame to break away from staff's palm.

The application comprises at least one of the following beneficial technical effects:

1. in the whole polishing process, the length of the abrasive belt and the included angle between the mounting pipe and the handheld frame can be adjusted according to actual working conditions, so that the flexibility of the polishing machine is improved, and the polishing machine is more convenient to deal with various complex working conditions;

2. the installation pipe and the sliding rod are arranged, so that the distance between the driven wheel and the driving wheel can be conveniently adjusted, and the inner walls of the cavities with longer depths can be conveniently polished;

3. through setting up arc wall and handspike, be convenient for more place the palm between handspike and the handheld frame, the in-process of polishing for handheld frame is difficult to break away from staff's palm.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an exploded view of a limiter in an embodiment of the present application.

Fig. 3 is a sectional view showing the overall structure of the locker in the embodiment of the present application.

Description of reference numerals: 1. a hand-held frame; 2. mounting a plate; 3. a motor; 4. a driving wheel; 5. installing a pipe; 6. a limiting member; 7. a driven wheel; 8. an abrasive belt; 9. an adjustment member; 10. a first lever; 11. a spring; 12. a second lever; 13. a third lever; 14. a first groove; 15. a second groove; 16. a slide bar; 17. a limit bolt; 18. a round bar; 19. a locking member; 20. a first tube; 21. a ball bearing; 22. a drive member; 23. a groove; 24. a second tube; 25. a third tube; 26. inner chamfering; 27. a ring groove; 28. an arc-shaped slot; 29. a handle.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a grinding machine.

Referring to fig. 1, a polisher, including handheld frame 1, a plurality of arc wall 28 has been seted up to even interval on the outer wall of handheld frame 1 one end, be provided with hand lever 29 on the outer wall of handheld frame 1, the both ends of hand lever 29 are all fixed on the outer wall of handheld frame 1, a plurality of arc wall 28 all is located between the hand lever 29, when the staff holds handheld frame 1 and polishes, inlay the finger and establish in arc wall 28, the palm is located hand lever 29, thereby make handheld frame 1 be difficult to break away from the palm, the staff of being convenient for more holds handheld frame 1.

Referring to fig. 1, handheld frame 1 is fixed with mounting panel 2 on keeping away from the one end terminal surface of hand lever 29, mounting panel 2 one side is fixed with motor 3, the opposite side of mounting panel 2 is provided with action wheel 4, action wheel 4 is coaxial to be fixed in motor 3's pivot, mounting panel 2 is kept away from handheld frame 1's one end and is rotated there is installation pipe 5, the cross section of installation pipe 5 is the rectangle, the one end that motor 3 was kept away from to installation pipe 5 is provided with from driving wheel 7, installation pipe 5 deviates from motor 3 one side and is provided with abrasive band 8, abrasive band 8 is around rolling up on from driving wheel 7 and.

Referring to fig. 2, a limiting member 6 for limiting rotation of the mounting tube 5 is disposed at one end of the mounting tube 5 close to the motor 3, the limiting member 6 includes a first rod 10, a spring 11, a second rod 12 and a third rod 13, a first groove 14 is disposed at one side of the mounting plate 2 close to the motor 3, the spring 11 is located in the first groove 14, one end of the first rod 10 slides in the first groove 14, and the other end extends out of the first groove 14, one end of the spring 11 is fixed on an end surface of the first rod 10 extending into the first groove 14, the other end of the spring 11 is fixed on an inner wall of an end of the first groove 14 facing the outside, the second rod 12 is integrally fixed at one end of the first rod 10 away from the spring 11, the second rod 12 is perpendicular to the first rod 10, the third rod 13 is integrally fixed at one end of the second rod 12 away from the first rod 10, the third rod 13 is parallel to the first rod 10, a plurality of second grooves 15 are uniformly spaced at one side of the mounting tube 5 away from the mounting, the end of the third rod 13 remote from the second rod 12 is inserted in the inner cavity of the second slot 15.

Referring to fig. 2, an adjusting part 9 for adjusting the tension degree of the abrasive belt 8 is arranged on the mounting tube 5, the adjusting part 9 comprises a sliding rod 16 and a limiting bolt 17, the sliding rod 16 slides in the inner cavity of the mounting tube 5 along the length direction of the mounting tube 5, the limiting bolt 17 is in threaded connection with the mounting tube 5, and one end of the limiting bolt 17 extending into the mounting tube 5 abuts against the outer wall of the sliding rod 16.

Referring to fig. 2 and 3, the driven wheel 7 is located at one end of the sliding rod 16 extending out of the mounting tube 5, one end of the sliding rod 16 far away from the motor 3 rotates to form a round rod 18, the round rod 18 and the driving wheel 4 are located at the same side, the driven wheel 7 is coaxially arranged on the round rod 18, a locking member 19 used for fixing the driven wheel 7 on the outer wall of the round rod 18 is arranged at one side of the driven wheel 7, the locking member 19 comprises a first tube 20, balls 21 and a driving member 22 arranged outside the first tube 20 and used for driving the balls 21 to abut against the outer wall of the round rod 18, the first tube 20 is coaxially fixed at one side of the driven wheel 7, the round rod 18 is inserted into an inner cavity of the first tube 20, a plurality of grooves 23 are uniformly arranged on the outer wall of one end of the first tube 20 far away from the driven wheel 7 at intervals around the circumferential direction of the outer wall, the grooves.

Referring to fig. 2 and 3, the driving member 22 includes a second tube 24 and a third tube 25, the second tube 24 is coaxially disposed outside the first tube 20, an inner edge of one end of the first tube 20 facing the ball 21 is provided with an inner chamfer 26, an inclined surface of the inner chamfer 26 abuts against an outer wall of the ball 21, the other end of the second tube 24 is screwed on the outer wall of the first tube 20, the third tube 25 is coaxially fixed on the outer wall of the second tube 24, the balls 21 are all located in an inner cavity of the third tube 25, so that when the driven wheel 7 is fixed on the round bar 18, the third tube 25 is rotated to move the second tube 24 along an axial direction of the first tube 20 toward a direction close to the ball 21, the second tube 24 abuts against the ball 21 toward a direction close to the outer wall of the round bar 18, the outer wall of the round bar 18 is provided with a ring groove 27 until the ball 21 abuts against an inner wall of the ring groove 27, and the driven wheel 7 is mounted.

The implementation principle of a polisher in the embodiment of the application is as follows: in the process of polishing, according to through operating condition, when meetting the work piece inner chamber degree of depth longer, and when the staff arm is difficult to buckle in work piece department, according to the inner chamber degree of depth, with slide bar 16 from the inner chamber roll-off specification distance of installation pipe 5 after, rotate limit bolt 17, make slide bar 16 be difficult to remove, when having adjusted the interval from between driving wheel 7 and action wheel 4, also can be according to work piece inner chamber width, change suitable diameter size from driving wheel 7, select the 8 covers of abrasive band of suitable length to establish on from driving wheel 7 and action wheel 4, adjust the contained angle between installation pipe 5 and the handheld frame 1, press the shift knob on the handheld frame 1, can realize polishing.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A sander, comprising a hand-held frame (1), characterized in that: an installation plate (2) is fixed on the end face of one end of the handheld frame (1), a motor (3) is fixed on one side of the installation plate (2), the other side of the mounting plate (2) is rotated with a driving wheel (4), the rotating shaft of the driving wheel (4) is coaxially and fixedly connected with the rotating shaft of the motor (3), one end of the mounting plate (2) far away from the handheld frame (1) is rotatably provided with a mounting pipe (5), the mounting plate (2) is provided with a limiting piece (6) used for limiting the rotation of the mounting pipe (5), a driven wheel (7) is arranged at one end of the mounting pipe (5) far away from the mounting plate (2), one side of the mounting plate (2) close to the driving wheel (4) is provided with an abrasive belt (8), the abrasive belt (8) is wound on the driving wheel (4) and the driven wheel (7), an adjusting piece (9) used for tensioning the abrasive belt (8) is arranged on the mounting pipe (5).

2. A sanding machine according to claim 1, characterized in that: locating part (6) including slide first pole (10) on mounting panel (2), spring (11), the integrative second pole (12) of keeping away from spring (11) one end, the integrative third pole (13) of fixing and keeping away from first pole (10) one end at first pole (10) including first pole (10), an organic whole of fixing on first pole (10), first groove (14) have been seted up to one side that mounting panel (2) are close to motor (3), first pole (10) one end slides in first groove (14), and the other end stretches out outside first groove (14), spring (11) one end is fixed on first groove (14) towards external one end inner wall, the spring (11) other end is fixed on first pole (10), first pole (10) are perpendicular setting with second pole (12), second pole (12) are perpendicular setting with third pole (13), a plurality of first pole (13) are seted up at even interval on the one end outer wall that installation pipe (5) is close to motor (3) Two grooves (15), the third rod (13) is inserted in the second groove (15).

3. A sanding machine according to claim 1, characterized in that: regulating part (9) are including sliding slide bar (16), the threaded connection of slip in installation pipe (5) inner chamber keep away from spacing bolt (17) of motor (3) one end in installation pipe (5), the bolt stretches into the one end butt of installation pipe (5) inner chamber on the lateral wall of slide bar (16), the one end rotation of keeping away from motor (3) in slide bar (16) has round bar (18), round bar (18) are located slide bar (16) and are close to action wheel (4) one side, from the coaxial setting of driving wheel (7) on round bar (18), be provided with retaining member (19) of being convenient for change from driving wheel (7).

4. A sanding machine according to claim 3, characterized in that: retaining member (19) are kept away from at first pipe (20) of following driving wheel (7) one side including coaxial fixing first pipe (20), a plurality of setting and are served from driving wheel (7) ball (21), set up and be used for driving a plurality of ball (21) at first pipe (20) and support driving piece (22) tight on round bar (18) outer wall, first pipe (20) are kept away from around its circumference interval on the one end outer wall of following driving wheel (7) and have seted up a plurality of recess (23) evenly, the inner wall of recess (23) intercommunication first pipe (20), ball (21) slip inlays and establishes the inner chamber at recess (23).

5. A sanding machine according to claim 4, characterized in that: the driving piece (22) comprises a second pipe (24) coaxially arranged outside the first pipe (20) and a third pipe (25) coaxially fixed outside the second pipe (24), one end of the second pipe (24) is abutted to the outer wall of the ball (21), and the other end of the second pipe (24) is in threaded connection with the outer wall of the first pipe (20).

6. A sanding machine according to claim 5, characterized in that: an inner chamfer (26) is formed on the inner edge of one end, facing the ball (21), of the second pipe (24), and the inclined surface of the inner chamfer (26) abuts against the outer wall of the ball (21).

7. A sanding machine according to claim 4, characterized in that: an annular groove (27) is formed in the outer wall of the round rod (18), and the ball (21) abuts against the inner wall of the annular groove (27).

8. A sanding machine according to claim 1, characterized in that: a plurality of arc-shaped grooves (28) are uniformly arranged on the outer wall of one end, far away from the motor (3), of the handheld frame (1), hand rods (29) are fixed on the outer wall of one end, far away from the motor (3), of the handheld frame (1), the two ends of the hand rods (29) are fixed on the outer wall of the handheld frame (1), and the arc-shaped grooves (28) are located between the two ends of the hand rods (29).