CN220699154U

CN220699154U - Automatic sanding equipment

Info

Publication number: CN220699154U
Application number: CN202322264236.3U
Authority: CN
Inventors: 黄耿志; 招梓华; 林启东; 张志剑; 许露然
Original assignee: Guangzhou Pearl River Kayserburg Piano Co Ltd
Current assignee: Guangzhou Pearl River Kayserburg Piano Co Ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-04-02
Anticipated expiration: 2033-08-23

Abstract

The utility model discloses automatic sanding equipment, which comprises a frame, a portal frame, a workbench, a first driving mechanism, a sanding mechanism and a second driving mechanism; the portal frame is arranged above the frame; the two work tables are arranged at intervals; each workbench is provided with a fixing device; the first driving mechanisms are arranged on the machine frame, and each first driving mechanism is in driving connection with a corresponding workbench; the sanding mechanism is arranged on the portal frame in a sliding manner; the second driving mechanism is arranged on the portal frame and is in driving connection with the sanding mechanism; under the cooperation of the first driving mechanism and the second driving mechanism, the sanding mechanism polishes the plate on the workbench; the sanding mechanism alternately polishes the plates on the two work tables, so that workers can alternately replace the corresponding plates on the work tables, and the work efficiency is improved.

Description

Automatic sanding equipment

Technical Field

The utility model relates to the technical field of piano machining and manufacturing, in particular to automatic sanding equipment.

Background

In the assembly process of pianos, there is a process that needs to bond the plates, such as the side plates and the top cover of pianos, before bonding the side plates of the piano, the bonded positions need to be polished, so that the bonded positions become rough, and the bonding is easy to be firm.

The existing process method is that the positions to be bonded are firstly scribed, and then a small manual sander is manually adopted to sand the scribing area. This approach has the following disadvantages: 1. scribing the bonding area, wherein different molds are needed for different specifications and models, and the molds are numerous; 2. the manual scribing efficiency is low, and mistakes are easy to draw; 3. when the miniature electric sand mill is adopted for polishing, the labor intensity of workers is relatively high, polishing is not standard enough, the polishing is easy to exceed the scribing position or is smaller than the scribing position, and the quality problem of damaging the appearance of the piano shell or poor bonding quality can occur.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide automatic sanding equipment which improves the sanding quality and the sanding efficiency.

In order to achieve the above object, the present utility model provides the following technical solutions:

an automatic sanding apparatus comprising: the device comprises a frame, a portal frame, a workbench, a first driving mechanism, a sanding mechanism and a second driving mechanism; the portal frame is arranged above the frame; the two work tables are arranged at intervals and are arranged on the frame in a sliding manner; each workbench is provided with a fixing device; the first driving mechanisms are arranged on the machine frame, and each first driving mechanism is in driving connection with a corresponding workbench; the sanding mechanism is arranged on the portal frame in a sliding manner; the second driving mechanism is arranged on the portal frame and is in driving connection with the sanding mechanism.

As a preferred scheme, the sanding mechanism comprises a feeding device, a rotating device and a sanding device, wherein the feeding device is arranged at the output end of the second driving mechanism, the rotating device is arranged at the output end of the feeding device, and the sanding device is arranged at the output end of the rotating device.

Further, the sanding device comprises a pair of rollers, abrasive belts and a driving motor, wherein the two rollers are arranged at intervals up and down, the two rollers are sleeved on the abrasive belts, and the rollers above are in driving connection with the driving motor.

Further, the sanding device further comprises a tightness adjusting device, wherein the tightness adjusting device is used for adjusting the distance between the two rollers.

As a preferable mode, the fixing device comprises an adsorption disc and a vacuum suction port, wherein the vacuum suction port is arranged on the adsorption disc; the top surface of the adsorption disc is provided with a plurality of first air guide grooves and a plurality of second air guide grooves, the first air guide grooves are mutually perpendicular and communicated with the second air guide grooves, and one of the first air guide grooves and one of the second air guide grooves are communicated with the vacuum suction port.

Further, the fixing device further comprises an air guide plate, the air guide plate is arranged on the adsorption disc, and the air guide plate is provided with a plurality of air guide structures which are communicated up and down.

Further, the fixing device further comprises a reference block, and the reference block is arranged on the air guide plate side.

As a preferable scheme, the sanding machine further comprises a dust collection mechanism, wherein the dust collection mechanism comprises a dust collection cover, and the dust collection cover is sleeved on the outer side of the sanding mechanism.

Compared with the prior art, the utility model has the following beneficial effects:

under the cooperation of the first driving mechanism and the second driving mechanism, the sanding mechanism polishes the plate on the workbench; due to the fact that the two work tables are arranged, the sanding mechanism alternately polishes the plates on the two work tables, workers can alternately assemble and disassemble the plates on the corresponding work tables, and therefore work efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a sand mill apparatus of the present utility model;

FIG. 2 is a partial schematic view of a sanding mechanism according to the present utility model;

FIG. 3 is a partial schematic view of another perspective of the sanding mechanism of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

reference numerals illustrate:

1-a frame; 2-portal frames; 3-a workbench; 31-an adsorption disk; 32-an air guide plate; 33-a reference block; 4-a first drive mechanism; 5-a sanding mechanism; 51-feeding means; 52-a rotating device; 53-sanding means; 531-roller; 532-abrasive belt; 533-drive motor; 534-a slack adjuster; 6-a second drive mechanism; 7-dust collection mechanism.

Detailed Description

For a better understanding of the utility model with objects, structures, features, and effects, the utility model will be described further with reference to the drawings and to the detailed description. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale. Furthermore, the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.

Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "front", "rear", etc. are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

As shown in fig. 1, the present embodiment provides an automatic sanding apparatus including: the device comprises a frame 1, a portal frame 2, a workbench 3, a first driving mechanism 4, a sanding mechanism 5 and a second driving mechanism 6;

the portal frame 2 is arranged above the frame 1; the two work tables 3 are arranged at intervals and can be horizontally and slidably arranged on the frame 1; each workbench 3 is provided with a fixing device which is used for fixing the plate; the first driving mechanisms 4 are arranged on the machine frame 1, and each first driving mechanism is in driving connection with a corresponding workbench 3 so as to drive the workbench 3 to horizontally slide on the machine frame 1; the sanding mechanism 5 is horizontally and slidably arranged on the portal frame 2, and the sliding direction of the sanding mechanism 5 is vertical to the sliding direction of the workbench 3; the second driving mechanism 6 is arranged on the portal frame 2, and the second driving mechanism 6 is in driving connection with the sanding mechanism 5 so as to drive the sanding mechanism 5 to horizontally move on the portal frame 2;

the sanding mechanism 5 polishes the plate on the workbench 3 under the cooperation of the first driving mechanism 4 and the second driving mechanism 6; due to the arrangement of the two work tables 3, the sanding mechanism 5 alternately polishes the plates on the two work tables 3, so that workers can alternately assemble and disassemble the plates on the corresponding work tables 3, and the work efficiency is improved.

As shown in fig. 2-3, as a preferred embodiment, the sanding mechanism 5 comprises a feeding device 51, a rotating device 52 and a sanding device 53, the feeding device 51 being arranged at the output end of the second driving mechanism 6, the rotating device 52 being arranged at the output end of the feeding device 51, the sanding device 53 being arranged at the output end of the rotating device 52; the sanding device 53 is used for sanding the plate; the feeding device 51 drives the sanding device 53 to move up and down so that the sanding device 53 contacts or separates from the board; the rotating device 52 drives the sanding device 53 to horizontally rotate so as to adjust the direction of the sanding track of the sanding device 53.

As shown in fig. 2-3, further, the sanding device 53 includes the pair of rollers 531, a sanding belt 532, and a driving motor 533, where two rollers 531 are disposed at intervals up and down, the sanding belt 532 is sleeved with two rollers 531, and the rollers 531 located above are in driving connection with the driving motor 533.

As shown in fig. 2-3, further, the sanding device 53 further includes a slack adjuster 534, the slack adjuster 534 being configured to adjust the spacing between the two rollers 531.

As shown in fig. 2-3, in particular, the sanding mechanism 5 further includes a first connection plate, a second connection plate, and a connection frame; the first connecting plate is arranged on the portal frame 2 in a horizontal sliding manner through a sliding rail, the first connecting plate is connected with the output end of the second driving mechanism 6, and the feeding device 51 is arranged on the first connecting plate; the second connecting plate is arranged on the first connecting plate in a vertically sliding manner through a sliding rail, the second connecting plate is connected with the output end of the feeding device 51, and the rotating device 52 is arranged on the second connecting plate; the connecting frame is arranged at the output end of the rotating device 52, the driving motor 533 is arranged on the connecting frame, the roller 531 at the upper part is fixedly arranged on the connecting frame, the roller 531 at the upper part is in driving connection with the driving motor 533 through a synchronous belt, the roller 531 at the lower part is arranged on the connecting frame in a lifting manner through a sliding rail, one end of the tightness adjusting device 534 is connected with the connecting frame, the other end of the tightness adjusting device is connected with the roller 531 at the lower part, and the tightness adjustment is realized by adjusting the position of the roller 531 at the lower part.

As shown in fig. 4, as a preferred embodiment, the fixing means includes a suction plate 31 and a vacuum suction port provided on the suction plate 31, the vacuum suction port being connected to a cylinder device through a pipe; the top surface of the adsorption disc 31 is provided with a plurality of first air guide grooves and a plurality of second air guide grooves, the first air guide grooves and the second air guide grooves are mutually vertical and communicated, and one of the first air guide grooves and one of the second air guide grooves are communicated with the vacuum suction port; the negative pressure suction force generated by the vacuum suction port is covered on the whole upper surface of the adsorption disc 31 through the first air guide groove and the second air guide groove;

as shown in fig. 4, further, the fixing device further includes an air guide plate 32, the air guide plate 32 is disposed on the adsorption plate 31, the air guide plate 32 has a plurality of air guide structures that are vertically communicated, and the negative pressure suction force on the upper surface of the adsorption plate 31 extends to the upper surface of the air guide plate 32 through the air guide structures so as to fix the plate on the upper surface of the air guide plate 32 in an adsorption manner; the air guide plate 32 may protect the bottom surface of the sheet material from scratching.

As shown in fig. 4, further, the fixing device further includes a reference block 33, and the reference block 33 is disposed on the air guide plate 32 side. A plurality of reference blocks 33 are arranged along the adjacent sides of the two tables 3 and the side of the table 3 close to the portal frame 2, so as to facilitate the rapid positioning of the plate. As shown in fig. 1, as a preferred embodiment, the automatic sanding apparatus further comprises a dust suction mechanism 7 for sucking away dust generated when the sanding device 53 is sanded; the dust collection mechanism 7 comprises a dust collection cover which is sleeved on the outer side of the sand grinding device 53 and is connected with the dust collection device through a pipeline.

In this embodiment, the first driving mechanism 4, the second driving mechanism 6, and the feeding device 51 are all screw-type linear modules.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An automatic sanding apparatus comprising: the device comprises a frame (1), a portal frame (2), a workbench (3), a first driving mechanism (4), a sanding mechanism (5) and a second driving mechanism (6); the portal frame (2) is arranged above the frame (1); the two work tables (3) are arranged at intervals and are arranged on the frame (1) in a sliding manner; each workbench (3) is provided with a fixing device; the first driving mechanisms (4) are arranged on the frame (1), and each first driving mechanism is in driving connection with one corresponding workbench (3); the sanding mechanism (5) is arranged on the portal frame (2) in a sliding manner; the second driving mechanism (6) is arranged on the portal frame (2), and the second driving mechanism (6) is in driving connection with the sanding mechanism (5).

2. An automatic sanding apparatus as claimed in claim 1, characterized in that the sanding device (5) comprises a feeding device (51), a rotation device (52) and a sanding device (53), the feeding device (51) being arranged at the output of the second drive mechanism (6), the rotation device (52) being arranged at the output of the feeding device (51), the sanding device (53) being arranged at the output of the rotation device (52).

3. An automatic sanding apparatus as defined in claim 2, wherein said sanding device (53) comprises a pair of rollers (531), an abrasive belt (532) and a drive motor (533), two of said rollers (531) being arranged at a distance from each other, said abrasive belt (532) being arranged around two of said rollers (531), said rollers (531) being arranged above and said drive motor (533) being in driving connection.

4. An automatic sanding apparatus according to claim 3, characterized in that the sanding device (53) further comprises a slack adjuster (534), the slack adjuster (534) being adapted to adjust the spacing of the two rollers (531).

5. An automatic sanding apparatus as defined in claim 1, wherein the securing means comprises a suction disc (31) and a vacuum suction port provided on the suction disc (31); the top surface of the adsorption disc (31) is provided with a plurality of first air guide grooves and a plurality of second air guide grooves, the first air guide grooves are mutually perpendicular and communicated with the second air guide grooves, and one of the first air guide grooves is communicated with the second air guide grooves through the vacuum suction port.

6. An automatic sanding apparatus as defined in claim 5, wherein said securing means further comprises an air guide plate (32), said air guide plate (32) being disposed on said suction disc (31), said air guide plate (32) having a plurality of air guide structures communicating up and down.

7. An automatic sanding apparatus as defined in claim 6, wherein the securing means further comprises a reference block (33), the reference block (33) being arranged on the side of the air guide plate (32).

8. An automatic sanding apparatus as defined in claim 1, further comprising a dust suction mechanism (7), the dust suction mechanism (7) comprising a dust hood, the dust hood being arranged over the sanding mechanism.