Aluminum plate fine polishing equipment

Abstract

The invention discloses aluminum plate fine polishing equipment, and relates to the technical field of aluminum plate machining, the aluminum plate fine polishing equipment comprises a motor, a motor shaft of the motor is connected with a polishing wheel through an expansion sleeve, the aluminum plate fine polishing equipment further comprises a flange plate, the expansion sleeve is connected to the flange plate, and the flange plate is in threaded connection with the polishing wheel through a plurality of bolts in the circumferential direction of the flange plate; according to the aluminum plate fine polishing equipment, the flange plate and the expansion sleeve are in threaded connection with the polishing wheel through the bolts so as to fix the motor shaft and the polishing wheel, when the expansion sleeve needs to be detached, the flange plate and the expansion sleeve are in threaded connection with the polishing wheel, and the flange plate and the polishing wheel can be detached. The bolt is rotated so that the bolt can be separated from the grinding wheel, when the gap is not blocked by the bolt, the disassembling piece is placed in the gap, the disassembling piece is moved towards the direction of the bolt head, at the moment, the flange plate and the expansion sleeve synchronously move so as to be separated from the grinding wheel, and therefore the purpose of disassembling the flange plate and the expansion sleeve is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum plate processing, and in particular to aluminum plate fine polishing equipment. Background Art

[0002] Aluminum is a metal with high chemical activity and good plasticity. Its high chemical activity makes it easy to produce defects such as oxide layer, stains and burrs during the production, processing and transportation. Therefore, these defects can be removed by grinding to improve the surface quality of the aluminum plate.

[0003] A sanding machine is a mechanical device used to complete sanding work. Sanding and polishing are synonyms. Aluminum plates can be physically removed by grinding wheels and grinding belts to make their surfaces smoother and flatter. Sanding machines are equipped with various grinding wheels, such as air drums, brown brush wheels, brown wool wheels, and sponge wheels. Different types of polishing wheels can handle unevenness, scratches, and oxide layers on the surfaces of different aluminum plates.

[0004] For example, the patent with authorization announcement number CN219027081U and authorization announcement date May 16, 2023, and its name is "A double-head sander with a multi-directional adjustable workbench", which discloses a double-head sander with a multi-directional adjustable workbench, and relates to the technical field of double-head sanders, including a workbench, and a hydraulic rod is fixedly installed at the bottom of the workbench. The staff starts the hydraulic rod through the control terminal according to the size of the material and their own height, adjusts the height of the workbench, and then starts the second drive motor, which prompts the telescopic rod to extend and retract, and pushes the double-head sander mechanism to move horizontally. When the width is appropriate, the sanding work starts, so as to facilitate the adjustment of the height and width of the double-head sander mechanism, and improve the scope of use and convenience; when the working angle needs to be adjusted, the first drive motor is started, which can drive the bearing to rotate, and the bearing drives the first and second gears to rotate, and then drives the first and second arc-shaped racks to rotate, so that the base rotates, that is, the angle of the double-head sander mechanism is changed, so as to facilitate the adjustment of the angle of the double-head sander mechanism, facilitate processing, and improve work efficiency.

[0005] The shortcomings of the above-mentioned patents are that there are three connection methods between the grinding wheel and the rotating shaft in the existing technology. One is a threaded pin connection, which is easy to loosen under the action of vibration or impact force. The second is a clamping connection, which cannot ensure coaxiality and may cause stress concentration at the connection, thereby causing a negative impact on high-precision grinding. The third is an expansion connection, and the installation and disassembly process of the expansion connection is relatively complicated. The above three connection methods have certain defects and are relatively cumbersome when disassembling. Summary of the invention

[0006] The object of the present invention is to provide an aluminum plate fine polishing device to solve the above-mentioned deficiencies in the prior art.

[0007] In order to achieve the above object, the present invention provides the following technical solutions:

[0008] A fine polishing device for aluminum plates comprises a motor, a motor shaft of the motor being connected to a grinding wheel via a clamping sleeve, and a flange, the clamping sleeve being connected to the flange, and the flange being threadedly connected to the grinding wheel via a plurality of bolts on its circumference; a gap for accommodating a disassembly part is reserved between the flange and the grinding wheel.

[0009] In the above-mentioned aluminum plate fine polishing equipment, the expansion sleeve is a conical cylinder, and the outer surface of the conical cylinder is conical.

[0010] The above-mentioned aluminum plate fine polishing equipment has four bolts.

[0011] In the above-mentioned aluminum plate fine polishing equipment, the disassembly member is a pry bar.

[0012] In the above-mentioned aluminum plate fine polishing equipment, the disassembly part is a protrusion.

[0013] In the above-mentioned aluminum plate fine polishing equipment, the axial dimension of the protrusion is smaller than the axial dimension of the gap.

[0014] In the above-mentioned aluminum plate fine polishing equipment, a plurality of first elastic members are arranged on the circumference of the disassembly member, and the first elastic members are connected to the flange.

[0015] In the above-mentioned aluminum plate fine polishing equipment, the flange is provided with an annular groove, the expansion sleeve is provided with an annular protrusion, and the annular protrusion is located in the annular groove.

[0016] In the above-mentioned aluminum plate fine polishing equipment, the two axial sides of the annular protrusion are connected to the groove wall of the annular groove through an elastic member.

[0017] In the above-mentioned aluminum plate fine polishing equipment, the elastic member on the side of the annular protrusion facing the grinding wheel is the second elastic member, and the elastic member on the side of the annular protrusion away from the grinding wheel is the third elastic member.

[0018] In the above technical scheme, the present invention provides an aluminum plate fine polishing equipment, the flange and the expansion sleeve are threadedly connected to the grinding wheel through bolts to fix the motor shaft and the grinding wheel, when the expansion sleeve needs to be disassembled, the bolt is rotated to make the bolt disengage from the grinding wheel, and the disassembly part is placed in the gap when there is no bolt blocking the gap, and the disassembly part is moved toward the direction of the bolt head. At this time, the flange and the expansion sleeve move synchronously to disengage from the grinding wheel, thereby achieving the purpose of disassembling the flange and the expansion sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0020] Figure 1 A schematic diagram of the structure of a polishing device provided in an embodiment of the present invention;

[0021] Figure 2 A schematic diagram of a portion of the structure of a flange provided in an embodiment of the present invention;

[0022] Figure 3 A cross-sectional view of a flange and a locking sleeve provided in an embodiment of the present invention;

[0023] Figure 4 A cross-sectional view of a flange and a locking sleeve provided in another embodiment of the present invention;

[0024] Figure 5 A cross-sectional view of a flange and a expansion sleeve provided in yet another embodiment of the present invention.

[0025] Description of reference numerals:

[0026] 1. Motor; 2. Expansion sleeve; 3. Grinding wheel; 4. Flange; 5. Bolt; 6. Disassembly part; 7. Gap; 8. Annular groove; 9. Annular raised part; 10. First elastic part; 11. Second elastic part; 12. Third elastic part. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0028] Reference Figure 1-5 An embodiment of the present invention provides an aluminum plate fine polishing device, including a motor 1, a grinding wheel 3 is connected to the motor shaft of the motor 1 through a clamping sleeve 2, and a flange 4, the clamping sleeve 2 is connected to the flange 4, and the flange 4 is threadedly connected to the grinding wheel 3 through a plurality of bolts 5 on its circumference, and a gap 7 is reserved between the flange 4 and the grinding wheel 3 to accommodate a disassembly part 6.

[0029] Specifically, a grinding wheel 3 is connected to the motor shaft of the motor 1 through a clamping sleeve 2. Preferably, the clamping sleeve 2 is a conical cylinder, and the outer surface of the conical cylinder is conical. The conical structure of the outer surface is used to fix the grinding wheel 3 and the motor shaft by adjusting the axial displacement of the cone surface, that is, the clamping sleeve 2 is sleeved on the motor shaft, and the grinding wheel 3 is sleeved on the clamping sleeve 2. It also includes a flange 4, and the end of the clamping sleeve 2 located on the outside of the grinding wheel 3 is connected to the flange 4. At the same time, the flange 4 is threadedly connected to the grinding wheel 3 through a plurality of bolts 5 on its circumference, such as 3-6 bolts 5. The portion of the screw rod of the bolt 5 that extends into the grinding wheel 3 has an external thread, and the remaining portion of the screw rod of the bolt 5 is a smooth section, that is, the portion that cooperates with the flange 4 is a smooth section. Obviously, when the bolt 5 is threadedly connected to the grinding wheel 3, the overall synchronization drives the flange 4 and the expansion sleeve 2 to move toward the grinding wheel 3, so that the expansion sleeve 2 moves axially to more tightly connect the motor shaft and the grinding wheel 3, so as to fix the motor shaft and the grinding wheel 3. In this embodiment, when the motor shaft and the grinding wheel 3 are in the connected state, that is, when the bolt 5 is tightened, a space for accommodating the disassembly member 6 is reserved between the flange 4 and the grinding wheel 3. The gap 7 is used for disassembly. Preferably, the disassembly member 6 is a pry bar. When the expansion sleeve 2 needs to be disassembled, the plurality of bolts 5 are disassembled in sequence until the bolts 5 are completely disengaged from the threaded connection of the grinding wheel 3. When all the bolts 5 on the flange 4 are disengaged from the grinding wheel 3 and the gap 7 is not blocked by the bolts 5, the end of the pry bar is placed in the gap 7, and the pry bar is pried away from the grinding wheel 3. At this time, the lever effect can be very well used to disassemble the expansion sleeve 2. The disassembly member 6 will drive the flange 4 to move in the direction away from the grinding wheel 3. Since the expansion sleeve 2 is connected to the flange 4, the flange 4 The flange 4 is pried by the pry bar to drive the expansion sleeve 2 to separate from the grinding wheel 3. The core point of the embodiment of the present invention is that the flange 4 and the expansion sleeve 2 are combined with each other, and a gap 7 is added between the flange 4 and the grinding wheel 3. When the expansion sleeve 2 needs to be disassembled, the flange 4 is pried and moved away from the grinding wheel 3 by placing the disassembly part 6 in the gap. At this time, the expansion sleeve 2 and the flange 4 move horizontally synchronously to separate from the grinding wheel 3, so as to achieve the purpose of quick disassembly, and the bolt 5 can be used to apply pressure during installation, so that a larger pressure can be achieved.

[0030] An embodiment of the present invention provides an aluminum plate fine polishing device, wherein the flange 4 and the expansion sleeve 2 are threadedly connected to the grinding wheel 3 through bolts 5 to fix the motor shaft and the grinding wheel 3. When the expansion sleeve 2 needs to be disassembled, the bolts 5 are rotated to make the bolts 5 disengage from the grinding wheel 3. When there is no bolt 5 blocking the gap 7, the disassembly part 6 is placed in the gap, and the disassembly part 6 is moved in the direction away from the grinding wheel 3. At this time, the flange 4 and the expansion sleeve 2 move synchronously to disengage from the grinding wheel 3, thereby achieving the purpose of disassembling the flange 4 and the expansion sleeve 2.

[0031] In another embodiment provided by the present invention, Figure 4 As shown, the disassembly member 6 is a raised portion arranged on the smooth section of the bolt 5, and the axial dimension of the raised portion is smaller than the axial dimension of the gap. The disassembly member 6 is arranged on the bolt 5. When the bolt 5 rotates and disengages from the grinding wheel 3, the disassembly member 6 will abut against the flange 4. Thus, when the bolt 5 continues to be rotated, the bolt 5 will drive the flange 4 to move in a direction away from the grinding wheel 3, and the flange 4 will also drive the expansion sleeve 2 to move horizontally synchronously. When the bolt 5 is completely disengaged from the grinding wheel 3, the expansion sleeve 2 can be pulled directly by pulling the flange 4 to disengage from the grinding wheel 3. The advantage of such a configuration is that the purpose of disassembly can be achieved by simply rotating the bolt 5 without using additional tools.

[0032] In another embodiment provided by the present invention, Figure 5As shown, the disassembly member 6 is provided with a plurality of first elastic members 10 in the circumferential direction, and the first elastic members 10 are movably connected to the flange 4. The movably connected means that the bolt needs to be rotated during installation and removal, which will drive the disassembly member 6 and the disassembly member 6 to rotate synchronously, while the flange 3 does not rotate, so the end of the first elastic member 10 will slide relative to the end surface of the flange 3, such as the end of the spring sliding on the end surface of the flange 3. An annular groove 8 is provided on the hole wall of the center hole of the flange 3, and an annular protrusion 9 is provided on the end of the expansion sleeve 2. The annular protrusion 9 is located in the annular groove 8, and the axial dimension of the annular protrusion 9 is smaller than the axial dimension of the annular groove 8. The axial direction here refers to the axial direction of the motor shaft, and the axial sides of the annular protrusion 9 are connected to the groove wall of the annular groove 8 through an elastic member, wherein the elastic member on the side of the annular protrusion 9 facing the grinding wheel 3 is called the second elastic member 11, and the elastic member on the side of the annular protrusion 9 away from the grinding wheel 3 is called the third elastic member 12, and the elastic member is such as an elastic gasket, a spring, etc. In the aforementioned embodiment, because the flange 4 is simultaneously limited by multiple bolts 5, when a single bolt 5 moves while other bolts 5 do not move, the flange 4 cannot be driven to move axially as a whole, which causes interference and requires at least two or more bolts 5 to be rotated synchronously during disassembly, which is inconvenient to operate. In this embodiment, when the expansion sleeve 2 needs to be disassembled, a single bolt 5 is rotated so that the bolt 5 moves in a direction away from the grinding wheel 3. At this time, if other bolts do not move axially, the disassembly member 6 will squeeze the first elastic member 10, and the flange 4 will not move. Only when two or more bolts 5 are disassembled, the flange 4 will move axially, which makes disassembly more convenient. At the same time, due to the presence of the annular groove 8 and the annular protrusion 9, when the flange 4 is disassembled or installed, the expansion sleeve 2 does not need to move completely synchronously with the flange 4. When the flange 4 drives the expansion sleeve 2 to move in the direction away from the grinding wheel 3, and because the axial dimension of the annular protrusion 9 is smaller than the axial dimension of the annular groove 8, the annular protrusion 9 will not wear the inner wall of the annular groove 8, the groove wall of the annular groove 8 will squeeze the third elastic member 12, and the annular protrusion 9 of the expansion sleeve 2 will also squeeze the second elastic member 11. Therefore, the second elastic member 11 and the third elastic member 12 provide an elastic buffer force during the movement of the expansion sleeve 2, making the extrusion more flexible and reducing the probability of hard grinding.

[0033] Further, such as Figure 5As shown, in the aforementioned embodiment, the outer wall of the bolt 5 is fitted on the inner wall of the bolt hole of the flange, so when the bolt 5 rotates and moves toward the grinding wheel 3, the disk surface of the flange 4 must be strictly required to be perpendicular to the axial direction of the motor shaft, and there is a certain probability that jamming will occur. Therefore, the improvement of this embodiment is that the smooth section of the bolt 5 is configured to have a radial dimension smaller than the radial dimension of the hole on the flange 4, and at the same time, there is also a gap between the outer wall of the annular protrusion 9 (the outer annular wall surface away from the central axis of the motor shaft) and the bottom wall of the opposite annular groove 8. In this way, when the bolt 5 is rotated and disengaged, since there is still a certain space between the bolt 5 and the hole of the flange 4, the flange 4 can be deflected, and the deflection will not make the expansion sleeve 2 difficult to disassemble, and at the same time, the probability of jamming is reduced.

[0034] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A fine polishing device for aluminum plate, comprising a motor, a motor shaft of which is connected to a grinding wheel via a clamping sleeve, characterized in that: It also includes a flange, the expansion sleeve is connected to the flange, and the flange is threadedly connected to the grinding wheel through a plurality of bolts on its circumference; A gap for accommodating a disassembly component is reserved between the flange and the grinding wheel.

2. The aluminum plate fine polishing equipment according to claim 1, characterized in that: The expansion sleeve is a conical cylinder, and the outer surface of the conical cylinder is conical.

3. The aluminum plate fine polishing equipment according to claim 1, characterized in that: The number of the bolts is four.

4. The aluminum plate fine polishing equipment according to claim 1, characterized in that: The disassembly member is a pry bar.

5. The aluminum plate fine polishing equipment according to claim 1, characterized in that: The disassembly member is a protrusion formed on the outer wall of the bolt.

6. The aluminum plate fine polishing equipment according to claim 5, characterized in that: The axial dimension of the protrusion is smaller than the axial dimension of the gap.

7. The aluminum plate fine polishing equipment according to claim 1, characterized in that: A plurality of first elastic members are arranged on the circumference of the disassembly member, and the first elastic members are connected to the flange.

8. The aluminum plate fine polishing equipment according to claim 1, characterized in that: The flange is provided with an annular groove, the expansion sleeve is provided with an annular protrusion, and the annular protrusion is located in the annular groove.

9. The aluminum plate fine polishing equipment according to claim 8, characterized in that: The two axial sides of the annular protrusion are connected to the groove wall of the annular groove through an elastic member respectively.

10. The aluminum plate fine polishing equipment according to claim 9, characterized in that: The elastic member on the side of the annular protrusion facing the grinding wheel is a second elastic member, and the elastic member on the side of the annular protrusion facing away from the grinding wheel is a third elastic member.

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