Paint coating grinding machine

Abstract

The utility model relates to the technical field of paint surface polishing, in particular to a paint coating dull polish machine which comprises a dull polish machine body, a plurality of elastic telescopic assemblies are arranged on a rotating shaft of the dull polish machine body, rotating assemblies are arranged on the elastic telescopic assemblies in a rotating mode, and the rotating assemblies are vertically arranged on the elastic telescopic assemblies. A grinding wheel is inserted into the bottom of each rotating assembly, and a guide assembly which is matched with the rotating assemblies to enable the grinding wheels to form revolution, autorotation and reciprocating sliding is arranged at the bottom of the grinding machine main body; by arranging the elastic telescopic assembly, the rotating assembly and the guiding assembly, the multiple grinding wheels can be controlled to rotate and slide in a reciprocating mode while revolution is conducted, the contact frequency and the cutting angle of the grinding wheels and the surface of a workpiece can be greatly increased, and the material removal rate within unit time is remarkably increased; the device is particularly suitable for rapid treatment of large-area or complex curved-surface workpieces, repeated grinding procedures are reduced, chippings can be thrown out from the bottom, and accumulated chippings in a machining area can be rapidly removed.

Description

TECHNICAL FIELD

[0001] The utility model relates to paint polishing technical field especially a kind of paint coating sanding machine. BACKGROUND

[0002] Paint coating sanding machine is a kind of equipment specially used for the pretreatment of paint coating, its main purpose is to improve the adhesion, uniformity and surface quality of coating, through sanding treatment, make coating surface more smooth and uniform, eliminate small particles and uneven place in coating, ensure the quality of coating.

[0003] In the paint coating sanding machine of Chinese patent announcement No. CN222857606U, the paint coating sanding machine generates a reverse spring force through a spring, so that the sanding disc presses the surface of the material. At this time, starting the sanding machine body can drive the sanding disc to sand the surface of the material. However, according to the sanding machine provided by the related field and the prior art, firstly, the traditional paint coating sanding machine mainly adopts single rotation track grinding. The contact frequency and cutting angle of abrasive and coating particles are limited, resulting in low dispersion grinding efficiency per unit time. For high-viscosity coating or large-particle pigment, insufficient grinding and uneven particle size distribution problems easily occur, and multiple cycle grinding is required to meet the standards. Secondly, debris is easily accumulated between the sanding wheel and the workpiece, forming a grinding barrier layer that affects the grinding efficiency and the color and purity of the coating. UTILITY MODEL CONTENTS

[0004] The utility model aims to overcome the shortcomings of the prior art, solve the problems mentioned in the background art, and provide a paint coating sanding machine.

[0005] The utility model achieves the purpose by the following technical scheme: a paint coating sanding machine, comprising a sanding machine body, a plurality of elastic expansion components are arranged on the rotating shaft of the sanding machine body, a rotating component is rotatably arranged on each of the plurality of elastic expansion components, the rotating component is vertically arranged on the elastic expansion component, a sanding wheel is inserted into the bottom of each rotating component, a guide component is arranged at the bottom of the sanding machine body, and the sanding wheel is formed by the cooperation of the rotating component.

[0006] The guide component comprises a fixed ring fixedly installed on the sanding machine body, an inner wall of the fixed ring is provided with a plurality of arc convex engagement areas and a plurality of arc concave engagement areas, the plurality of arc convex engagement areas and the plurality of arc concave engagement areas are matched with the gear of the rotating component, and the plurality of arc convex engagement areas and the plurality of arc concave engagement areas are staggered around the fixed ring to form an annular wave groove.

[0007] Preferably, the elastic telescopic assembly comprises a fixed shell fixedly installed on the outer surface of the rotating shaft of the sander main body, and an elastic piece is installed in the inner part of the fixed shell and the movable shell.

[0008] Preferably, the rotating assembly comprises a main shaft rotationally connected with the movable shell, a gear fixedly installed at the bottom end of the main shaft, and a plug-in piece fixedly installed at the bottom end of the gear.

[0009] Preferably, the plug-in piece is hexagonal in cross-sectional shape, is made of magnet, is formed with a chamfer at the bottom end, and the sander wheel is formed with a plug-in groove corresponding to the plug-in piece and matched with the plug-in piece, and an iron block is fixedly installed in the inner part of the plug-in groove.

[0010] Preferably, the movable shell is formed with a rotating hole corresponding to the main shaft, and the main shaft is connected with the rotating hole through a bearing.

[0011] Preferably, the sander main body is fixedly installed with a shielding cover on the side close to the sander wheel, is formed with a plurality of blow-off holes in the inner part, and is fixedly installed with a blow-off suction joint communicated with the plurality of blow-off holes at the handle end.

[0012] Beneficial effects:

[0013] The paint sander has the elastic telescopic assembly, the rotating assembly and the guiding assembly, can control the multiple sander wheels to revolve while rotating and reciprocating, can greatly increase the contact frequency and cutting angle of the sander wheels and the workpiece surface, can significantly improve the material removal rate per unit time, is especially suitable for rapid processing of large-area or complex curved surface workpieces, can reduce repeated polishing processes, and can quickly remove the debris accumulation in the processing area through the centrifugal force. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor under the premise of the drawings.

[0015] Figure 1 is a structural schematic view of the present application;

[0016] Figure 2 is a bottom structural schematic view of the sander main body of the present application;

[0017] Figure 3 It is the split structure schematic view of fixed ring and sanding machine main body of the utility model;

[0018] Figure 4 It is the structure schematic view of sanding machine main body after isolating cover is removed of the utility model;

[0019] Figure 5 It is the state schematic view of elastic telescopic assembly when gear is in arc convex meshing area of the utility model;

[0020] Figure 6 It is the state schematic view of elastic telescopic assembly when gear is in arc concave meshing area of the utility model;

[0021] Figure 7 It is the structure schematic view of elastic telescopic assembly and rotating assembly of the utility model.

[0022] In the drawing: 1, sanding machine main body;2, elastic telescopic assembly;201, fixed shell;202, movable shell;203, elastic member;3, rotating assembly;301, main shaft;302, gear;303, plug-in part;4, sanding wheel;401, plug-in slot;5, guide assembly;501, fixed ring;502, arc convex meshing area;503, arc concave meshing area;6, isolating cover;7, blowhole;8, blowhole suction connector. Specific implementation

[0023] In the description of the utility model, it needs to be explained that unless there is explicit provision and limitation, the terms "installation", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can be detachable connection, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0024] The additional aspects and advantages of the utility model will be further given in the following description combined with the drawings, some will become obvious from the following description, or be understood through the practice of the utility model.

[0025] As Figures 1 to 7 It is shown that a kind of paint sanding machine, it includes sanding machine main body 1, the rotating shaft of sanding machine main body 1 is equipped with multiple elastic telescopic assemblies 2, multiple elastic telescopic assemblies 2 are all rotationally equipped with rotating assembly 3, rotating assembly 3 is vertically arranged on elastic telescopic assembly 2, and the bottom of each rotating assembly 3 is all inserted with sanding wheel 4, and the bottom of sanding machine main body 1 is equipped with guide assembly 5 with rotating assembly 3 cooperation, so that sanding wheel 4 forms revolution, rotation and reciprocating sliding.

[0026] AsFigure 3 、 Figure 5 、 Figure 6 and Figure 7 As shown in

[0027] As shown in Figure 3 、 Figure 5 、 Figure 6 and Figure 7 The rotating assembly 3 comprises a main shaft 301 rotationally connected with the movable shell 202, the bottom end of the main shaft 301 is fixedly installed with a gear 302, the bottom end of the gear 302 is fixedly installed with a plug-in piece 303, the movable shell 202 is provided with a rotating hole corresponding to the position of the main shaft 301, the main shaft 301 is connected with the rotating hole through a bearing, the above-mentioned bearing can reduce the friction when the main shaft 301 and the gear 302 rotate, and improve the stability when the main shaft 301 and the gear 302 rotate, the cross section of the plug-in piece 303 is hexagonal, the material of the plug-in piece 303 is magnet, the bottom end of the plug-in piece 303 is formed with a chamfer, the sanding wheel 4 is provided with a plug-in groove 401 corresponding to the position of the plug-in piece 303, the inside of the plug-in groove 401 is fixedly provided with an iron block; when the sanding wheel 4 needs to be replaced, the new sanding wheel 4 can be combined and installed with the rotating assembly 3 by directly pulling down the old sanding wheel 4, when installing, the chamfer provided at the bottom of the plug-in piece 303 can guide the plug-in groove 401 and the plug-in piece 303 to be quickly connected, so that the plug-in groove 401 is adsorbed on the plug-in piece 303, compared with the traditional bolt fixing or flange connection, the operator can complete the disassembly and installation of the sanding wheel 4 without tools, the downtime maintenance time is reduced, and the replacement process is greatly simplified.

[0028] As shown in Figure 3 、 Figure 5 、 Figure 6 and Figure 7As shown, the guide assembly 5 includes a fixed ring 501 fixedly installed on the sander main body 1, the inner wall of the fixed ring 501 is provided with a plurality of arc-shaped protruding engagement areas 502 and a plurality of arc-shaped recessed engagement areas 503, the plurality of arc-shaped protruding engagement areas 502 and the plurality of arc-shaped recessed engagement areas 503 are adapted to the gear 302, and the plurality of arc-shaped protruding engagement areas 502 and the plurality of arc-shaped recessed engagement areas 503 are staggered and arranged around the fixed ring 501 to form an annular wavy groove; the plurality of elastic telescopic assemblies 2 are rotated by the rotating shaft of the sander main body 1, then the elastic telescopic assemblies 2 can drive the sander wheel 4 to revolve around the sun by the rotating assembly 3, at this time, the gear 302 drives the sander wheel 4 to rotate around its own axis by the cooperation between the gear 302 and the arc-shaped protruding engagement areas 502 and the arc-shaped recessed engagement areas 503, and the sander wheel 4 synchronously reciprocates when rotating around the circumference by the plurality of arc-shaped protruding engagement areas 502 and the plurality of arc-shaped recessed engagement areas 503, as shown in Figures 3 to 6 As shown, when the fixed ring 501 is removed, the movable shell 202 and the fixed shell 201 can be disassembled, so that the elastic member 203 can be replaced conveniently.

[0029] As shown in Figure 2 and Figure 3 As shown, the sander main body 1 is fixedly installed with an isolation cover 6 on the side close to the sander wheel 4, a plurality of blowhole holes 7 are arranged in the sander main body 1, and a blowhole suction connector 8 in communication with the plurality of blowhole holes 7 is fixedly installed on the handle end of the sander main body 1; the centrifugal force generated during the rotation of the sander wheel 4 can throw the debris from the bottom, and the blowhole holes 7 and the blowhole suction connector 8 of the sander main body 1 can quickly remove the debris accumulation in the processing area.

[0030] The working process is as follows:

[0031] S1: when in use, the plurality of elastic telescopic assemblies 2 are rotated by the rotating shaft of the sander main body 1, then the elastic telescopic assemblies 2 can drive the sander wheel 4 to revolve around the sun by the rotating assembly 3, at this time, the gear 302 drives the sander wheel 4 to rotate around its own axis by the cooperation between the gear 302 and the arc-shaped protruding engagement areas 502 and the arc-shaped recessed engagement areas 503;

[0032] S2: the double rotation can significantly increase the contact frequency and cutting angle of the sander wheel 4 and the workpiece, and improve the material removal rate per unit time, and is especially suitable for rapid polishing of complex curved surfaces or large-area workpieces;

[0033] S3: By using the set of multiple arc-shaped protruding engagement areas 502 and multiple arc-shaped recessed engagement areas 503, the abrasive wheel 4 can be synchronized to reciprocate and slide when rotating in the circumferential direction, which can greatly increase the contact frequency and cutting angle of the abrasive wheel 4 with the workpiece surface, significantly improve the material removal rate per unit time, and is especially suitable for rapid processing of large-area or complex curved surface workpieces, reducing repeated grinding processes;

[0034] S4: The centrifugal force generated during the rotation of the abrasive wheel 4 can throw the debris from the bottom, in combination with the drain hole 7 and the drain suction connector 8 of the abrasive machine body 1, to quickly remove the debris accumulation in the processing area.

[0035] S5: When the abrasive wheel 4 needs to be replaced, the new abrasive wheel 4 can be combined and installed with the rotating assembly 3 by directly pulling out the old abrasive wheel 4. During installation, the chamfer provided at the bottom of the plug-in part 303 can facilitate the quick docking of the plug-in slot 401 with the plug-in part 303, so that the plug-in slot 401 is adsorbed on the plug-in part 303. Compared with traditional bolt fixing or flange connection, the operator can complete the disassembly and installation of the abrasive wheel 4 without tools, reducing downtime maintenance time and greatly simplifying the replacement process.

[0036] The abrasive machine body 1, the abrasive wheel 4, the drain hole 7 and the drain suction connector 8 described in the present application are all known technologies in the technical field, and therefore their specific structures and working principles are not described in detail.

[0037] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A paint and coating sanding machine, characterized by: The invention comprises a sander main body (1), wherein a rotating shaft of the sander main body (1) is provided with a plurality of elastic telescopic components (2), a rotating component (3) is rotatably provided on each of the plurality of elastic telescopic components (2), the rotating component (3) is vertically arranged on the elastic telescopic component (2), a grinding wheel (4) is plugged into the bottom of each of the rotating components (3), and a guide component (5) is provided at the bottom of the sander main body (1) and is matched with the rotating component (3) so that the grinding wheel (4) forms a revolution, a rotation and a reciprocating slide; The guide assembly (5) comprises a fixed ring (501) fixedly mounted on the sander body (1); the inner wall of the fixed ring (501) is provided with a plurality of arc-shaped raised engagement areas (502) and a plurality of arc-shaped recessed engagement areas (503); the plurality of arc-shaped raised engagement areas (502) and the plurality of arc-shaped recessed engagement areas (503) are all adapted to the gears (302) of the rotating assembly (3); the plurality of arc-shaped raised engagement areas (502) and the plurality of arc-shaped recessed engagement areas (503) are staggeredly arranged around the fixed ring (501) to form an annular wave groove.

2. A paint and coating sanding machine according to claim 1, characterized in that: The elastic telescopic assembly (2) comprises a fixed shell (201), the fixed shell (201) being fixedly mounted on the outer surface of the rotating shaft of the sander body (1), a movable shell (202) being slidably mounted on the outer surface of the fixed shell (201), and elastic members (203) being mounted inside the movable shell (202) and the fixed shell (201).

3. A paint and coating sanding machine according to claim 2, characterized in that: The rotating assembly (3) comprises a main shaft (301) rotatably connected to the movable housing (202), a gear (302) being fixedly mounted on the bottom end of the main shaft (301), and a connector (303) being fixedly mounted on the bottom end of the gear (302).

4. A paint and coating sanding machine according to claim 3, characterized in that: The cross-section of the connector (303) is hexagonal, the connector (303) is made of a magnet, the bottom end of the connector (303) is formed with a chamfer, the grinding wheel (4) is provided with a connector slot (401) adapted thereto at a position corresponding to the connector (303), and an iron block is fixedly provided inside the connector slot (401).

5. The paint and coating sanding machine according to claim 3, characterized in that: The movable shell (202) is provided with a rotation hole at a position corresponding to the main shaft (301), and the main shaft (301) is connected to the rotation hole through a bearing.

6. The paint and coating sanding machine according to claim 1, characterized in that: An isolation cover (6) is fixedly mounted on one side of the sander body (1) close to the sanding wheel (4), a plurality of drainage holes (7) are provided inside the sander body (1), and a drainage and suction joint (8) connected to the plurality of drainage holes (7) is fixedly mounted on the handle end of the sander body (1).

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