CN220178925U

CN220178925U - Polishing device

Info

Publication number: CN220178925U
Application number: CN202321336302.7U
Authority: CN
Inventors: 刘冰
Original assignee: Guangdong Quaker Door Control Technology Co ltd
Current assignee: Guangdong Quaker Door Control Technology Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-12-15
Anticipated expiration: 2033-05-30

Abstract

The utility model provides a polishing device, which comprises a U-shaped frame used for being installed at the movable end of a driving piece, wherein a polishing wheel is rotatably installed in the U-shaped frame, a motor is installed on one side surface of the U-shaped frame, the output end of the motor is fixedly connected with the polishing wheel, one surface of the U-shaped frame, which is away from the motor, is fixedly connected with a horizontally arranged support arm plate, one surface of the support arm plate, which is away from the U-shaped frame, is provided with a plugging slot, a movable plate is inserted into the plugging slot, the movable plate is installed in the plugging slot through a positioning screw, one end of the movable plate, which is positioned outside the plugging slot, is in threaded connection with a vertically arranged screw rod, the lower end of the screw rod is provided with a bull's eye bead in rolling contact with the surface of a workpiece, and a grab handle which is vertically arranged with the screw rod is fixedly connected with the outer surface of the upper end of the screw rod, and the polishing device has the following advantages: the motor is prevented from being in a larger load state for a long time, and the motor is protected.

Description

Polishing device

Technical Field

The utility model relates to a polishing device, and belongs to the technical field of polishing.

Background

Sanding is one of the surface modification techniques, primarily aimed at achieving a specific surface roughness. In the polishing process of a workpiece, a motor is often utilized to drive a polishing wheel to rotate, a structure formed by the motor and the polishing wheel is arranged at the movable end of a driving piece such as an electric push rod, when the driving piece is controlled to stretch, the polishing wheel is contacted with the surface of the workpiece, so that the rotating polishing wheel can polish the surface of the workpiece, the attaching compactness of the polishing wheel and the surface of the workpiece influences the load of the motor, when the attaching compactness of the polishing wheel and the surface of the workpiece is larger, the motor can be in a state with larger load, the attaching compactness of the polishing wheel and the surface of the workpiece is difficult to control, the probability that the motor is in a larger load state for a long time is larger, the service life of the motor is influenced, and therefore, the polishing device for preventing the motor from being in a larger load state for a long time needs to be designed.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a polishing device for solving the problems in the background art, and the polishing device can prevent a motor from being in a large load state for a long time and plays a role in protecting the motor.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a grinding device, includes the U type frame that is used for installing at the driving piece expansion end, the grinding wheel is installed to U type frame internal rotation, the motor is installed to U type frame side, the motor output is fixed with the grinding wheel connection, the U type frame deviates from the support arm board that the motor one side was connected fixedly with horizontal arrangement, the jack-in groove has been seted up to the support arm board one side that deviates from U type frame, the fly leaf has been installed to the jack-in inslot, the fly leaf passes through the set screw and installs in the jack-in groove, the one end threaded connection that the fly leaf is in the jack-in groove outside has vertical arrangement's screw rod, the bull's eye pearl with work piece surface rolling contact is installed to the screw rod lower extreme, screw rod upper end external surface connection is fixed with the grab handle of arranging perpendicularly with the screw rod.

Further, a vertically arranged round hole is formed in one side, far away from the inserting groove, of the upper surface of the movable plate, a threaded sleeve which is concentrically arranged with the round hole is arranged on the upper side of the round hole, the lower end of the threaded sleeve is fixedly connected with the movable plate, and the threaded rod is in threaded connection with the threaded sleeve and penetrates through the round hole.

Further, a locknut is arranged on the upper side of the screw sleeve, and the locknut is connected to the screw in a threaded manner.

Further, the lower end of the screw rod is fixedly connected with a connecting disc, and the connecting disc is fixedly connected with the bullseye through a plurality of screws.

Further, a threaded hole is formed in one side, far away from the U-shaped frame, of the upper surface of the support arm plate, and the set screw is in threaded connection with the threaded hole.

Further, one end of the positioning screw in the inserting groove is contacted with the rubber strip, the rubber strip is stuck in the strip-shaped groove, and the strip-shaped groove is formed in the upper surface of the movable plate.

Further, a triangle is fixedly connected to one side, close to the U-shaped frame, of the upper surface of the support arm plate, and the triangle is fixedly connected with the U-shaped frame.

Further, a connecting rod is fixedly connected to the middle of the upper surface of the horizontal part of the U-shaped frame, and a connecting plate for connecting the movable end of the driving piece is fixedly connected to the upper end of the connecting rod.

The utility model has the beneficial effects that:

1. according to the length of the width adjustment fly leaf of work piece in the jack-in groove, and then the interval between screw rod and the wheel of polishing enlarges or reduces, after the interval between screw rod and the wheel of polishing satisfies the needs of work piece width, utilize the relative position of fixed screw fixed fly leaf and support arm board, realize convenient adjustment screw rod and the interval of grinding wheel, be applicable to the needs of different width work pieces, enlarge application scope.

2. After the U-shaped frame is arranged at the movable end of a driving piece such as an electric push rod and the like, the screw rod is rotated by the grab handle, so that the ball part of the bullseye bead at the lower end of the screw rod is contacted with the surface of a workpiece, and when the electric push rod stretches to enable the grinding wheel to be contacted with the surface of the workpiece, the grinding wheel is prevented from being attached to the surface of the workpiece too tightly under the limit of the parts such as the bullseye bead, the screw rod, the movable plate and the support arm plate, and the like, so that the motor is prevented from being in a large load state for a long time, and the motor is protected.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a polishing apparatus according to the present utility model;

FIG. 2 is a perspective view of a movable plate in a polishing apparatus according to the present utility model;

FIG. 3 is a perspective view of a boom plate in a grinding apparatus of the present utility model;

in the figure: the grinding machine comprises a 1-U-shaped frame, a 2-motor, a 3-grinding wheel, a 4-support arm plate, a 5-bull's eye bead, a 6-connecting disc, a 7-screw rod, an 8-movable plate, a 9-screw sleeve, a 10-locknut, an 11-grab handle, a 12-rubber strip, a 13-set screw, a 14-triangle, a 15-connecting rod, a 16-connecting plate, a 17-round hole, an 18-strip-shaped groove, a 19-inserting groove and a 20-threaded hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a grinding device, including being used for installing the U type frame 1 at driving piece expansion end, wherein U type frame 1 horizontal part upper surface middle part position connection is fixed with connecting rod 15, connecting rod 15 upper end connection is fixed with the link plate 16 that is used for connecting the driving piece expansion end, the driving piece adopts electric putter, make electric putter expansion end connect on link plate 16, accomplish the connection of U type frame 1 and electric putter expansion end, electric putter flexible in-process drive U type frame 1 lift, be convenient for make grinding wheel 3 be close to the work piece surface or make grinding wheel 3 keep away from the work piece surface.

Referring to fig. 1, a grinding wheel 3 is rotatably installed in a U-shaped frame 1, so that the output end of a motor 2 installed on one side surface of the U-shaped frame 1 is fixedly connected with the grinding wheel 3, and then the motor 2 is powered on to drive the grinding wheel 3 to rotate when working, and the grinding wheel 3 in rotation is contacted with the surface of a workpiece to realize grinding of the surface of the workpiece.

Referring to fig. 1, fig. 2 and fig. 3, the side of the U-shaped frame 1, which is far away from the motor 2, is fixedly connected with the horizontally arranged support arm plate 4, the side, which is close to the U-shaped frame 1, of the upper surface of the support arm plate 4 is fixedly connected with the U-shaped frame 1 by the fixed triangular plate 14, the mechanical strength of the connection between the support arm plate 4 and the U-shaped frame 1 is improved, one end of the movable plate 8 is inserted into the inserting groove 19 formed in the side, which is far away from the U-shaped frame 1, of the support arm plate 4, the set screw 13 is in threaded connection with the threaded hole 20 formed in the side, which is far away from the U-shaped frame 1, of the upper surface of the support arm plate 4, after the set screw 13 is screwed, one end of the movable plate 8 is limited in the inserting groove 19, namely, the movable plate 8 and the support arm plate 4 are kept unchanged in relative positions, rubber strips 12 are stuck in the strip grooves 18 formed in the upper surface of the movable plate 8, and when the set screw 13 is screwed, one end of the set screw 13 is in the inserting groove 19 is contacted with the rubber strips 12, so that the set screw 13 limits the position reliability of the movable plate 8, the set screw is improved, the length of the movable plate 8 in the inserting groove 19 is adjusted according to the width of a workpiece, the set screw 7 is further, the width of the set screw 3 is adjusted, the distance between the set screw 7 and the set screw 3 is required to be enlarged, and the corresponding distance between the set screw 3 and the set screw 3 is required to be enlarged, and the corresponding to the width of the set screw 3 is required to be and the set by the set screw 3, and the width is required to be enlarged, and the distance between the set screw 3 is and the position and the set screw 3 is and the position is required to be and the distance is and the position is and the set.

Referring to fig. 1 and 2, a vertically arranged round hole 17 is formed in one side, far away from the inserting groove 19, of the upper surface of the movable plate 8, a threaded sleeve 9 which is arranged concentrically with the round hole 17 is arranged on the upper side of the round hole 17, the lower end of the threaded sleeve 9 is fixedly connected with the movable plate 8, the threaded rod 7 is connected in the threaded sleeve 9, the threaded connection of the threaded rod 7 and the movable plate 8 is completed, meanwhile, the thickness of the movable plate 8 is conveniently reduced due to the design of the threaded sleeve 9, the connecting disc 6 is fixedly connected with the lower end of the threaded rod 7, the bullnose bead 5 is fixedly connected with the connecting disc 6 by utilizing a plurality of screws, the assembly of the bullnose bead 5 and the threaded rod 7 is completed, after the U-shaped frame 1 is installed on the movable end of a driving piece such as an electric push rod, the grab handle 11 which is fixedly connected with the upper end of the threaded rod 7 is vertically arranged is used, the threaded rod 7 is rotated, the ball part of the bullnose bead 5 at the lower end of the threaded rod 7 is contacted with the surface of a workpiece, and the electric push rod 3 is further extended to enable the polishing wheel 3 to be contacted with the surface of the workpiece, the workpiece is completed, the limiting motor 3 of the parts such as the bullnose bead 5, the screw 7, the movable plate 8 and the support arm plate 4 are prevented from being attached to the surface of the workpiece is tightly, the threaded rod 2 is prevented from being tightly attached to the surface, the threaded nut is prevented from being screwed down, the threaded nut is tightly 10 is tightly attached to the surface, and the threaded nut is prevented from being tightly attached to the surface, and the threaded nut is tightly attached to the surface, and the surface is tightly attached to the surface, and the workpiece is in the position 10, and the position is tightly attached to the workpiece, and the 9 is tightly attached to the 9.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a grinding device, includes U type frame (1) that are used for installing at driving piece loose end, its characterized in that: the grinding wheel (3) is installed in U type frame (1) internal rotation, motor (2) are installed to U type frame (1) side, motor (2) output is connected fixedly with grinding wheel (3), U type frame (1) deviates from one side of motor (2) and is connected fixedly with horizontally arranged support arm board (4), grafting groove (19) have been seted up to one side that support arm board (4) deviates from U type frame (1), install fly leaf (8) in grafting groove (19), fly leaf (8) are installed in grafting groove (19) through set screw (13), one end threaded connection that fly leaf (8) are in grafting groove (19) outside has vertical arrangement's screw rod (7), bull's eye pearl (5) with work piece surface rolling contact are installed to screw rod (7) lower extreme, screw rod (7) upper end external surface connection is fixed with grab handle (11) with screw rod (7) vertical arrangement.

2. A polishing apparatus as set forth in claim 1 wherein: a vertically arranged round hole (17) is formed in one side, far away from the inserting groove (19), of the upper surface of the movable plate (8), a threaded sleeve (9) concentric with the round hole (17) is arranged on the upper side of the round hole (17), the lower end of the threaded sleeve (9) is fixedly connected with the movable plate (8), the threaded rod (7) is in threaded connection with the threaded sleeve (9), and the threaded rod (7) penetrates through the round hole (17).

3. A grinding device according to claim 2, wherein: the upper side of the screw sleeve (9) is provided with a locknut (10), and the locknut (10) is in threaded connection with the screw rod (7).

4. A polishing apparatus as set forth in claim 1 wherein: the lower end of the screw rod (7) is fixedly connected with a connecting disc (6), and the connecting disc (6) is fixedly connected with the bullseye (5) through a plurality of screws.

5. A polishing apparatus as set forth in claim 1 wherein: screw holes (20) are formed in one side, far away from the U-shaped frame (1), of the upper surface of the support arm plate (4), and the set screws (13) are in threaded connection with the screw holes (20).

6. A polishing apparatus as set forth in claim 1 wherein: one end of the positioning screw (13) positioned in the inserting groove (19) is in contact with the rubber strip (12), the rubber strip (12) is stuck in the strip-shaped groove (18), and the strip-shaped groove (18) is formed in the upper surface of the movable plate (8).

7. A polishing apparatus as set forth in claim 1 wherein: and a triangular plate (14) is fixedly connected to one side, close to the U-shaped frame (1), of the upper surface of the support arm plate (4), and the triangular plate (14) is fixedly connected with the U-shaped frame (1).

8. A polishing apparatus as set forth in claim 1 wherein: the connecting rod (15) is fixedly connected to the middle of the upper surface of the horizontal part of the U-shaped frame (1), and a connecting plate (16) used for connecting the movable end of the driving piece is fixedly connected to the upper end of the connecting rod (15).