CN104741999A - A double-layer automatic sand leveling equipment - Google Patents

Abstract

The invention relates to the technical field of polishing equipment, and discloses double-layer automatic sand flattening equipment which comprises a bearing substrate, wherein the bearing substrate is respectively provided with a driving roller, a first driven roller, a second driven roller and a first motor for driving the driving roller; this automatic flat sand equipment has following advantage: firstly, a pressure device is used for applying pressure to a processing surface, so that the transmission performance of a first driven roller and a second driven roller is improved, and the polishing efficiency is obviously improved; secondly, the direct stress of the abrasive belt is avoided by utilizing a pressure device, so that the service efficiency of the abrasive belt is prolonged to the maximum limit; in conclusion, the equipment has the advantages of high grinding efficiency, good transmission performance and prolonged service life of the abrasive belt.

Description

A double-layer automatic sand leveling equipment

technical field

The present invention relates to the technical field of grinding equipment, in particular to a double-layer automatic sand leveling equipment.

Background technique

Sanding machine, also known as grinding machine, refers to the physical removal of some materials and objects with uneven surface, uneven thickness and non-conforming process requirements through abrasive cloth, grinding wheel, sandpaper, scouring pad, non-woven polishing wheel, etc. , to make it smoother, smoother, uniform in thickness, and to make it up to standard. It is widely used in the production of various veneers, the production of standard structural parts, the toy handicraft industry, the decoration and furniture industry, floor wall panels and building materials industry and so on.

Existing sanding machines are mainly divided into three types: disc sanding, belt sanding and cloth wheel sanding. For the furniture manufacturing industry, belt sanding is often more suitable for large-scale plate sanding.

The existing patent literature also discloses a grinding machine, which includes a frame and a motor mounted on the frame. The two ends of the frame are respectively provided with a first roller and a second roller. One end of the first roller is provided with a There are sand sticks, the first roller and the second roller are connected by a transmission abrasive belt, and the driven wheel is arranged at one end where the sand stick is connected with the first roller. The equipment can simultaneously grind the woods with different needs by driving the sand belt and the sand bar to rotate by a motor, which is convenient and practical, and improves the working efficiency of the machine; obviously, the first roller and the second roller in the above scheme It is necessary to drive the abrasive belt to directly contact the surface of the board. In the grinding of wood boards, it is often necessary to achieve different contact between the abrasive belt and the surface of the board according to different grinding requirements. For example, in the coarse sanding process, due to its polishing allowance It is relatively large, so a certain force must be applied to the abrasive belt to make it tightly attached to the surface of the board, but the above-mentioned grinder can only rely on the first roller and the second roller to apply pressure. If the first roller If the pressure exerted by the first roller and the second roller is too large, it will directly affect the transmission performance of the abrasive belt. Moreover, if the first roller and the second roller apply a large pressure for a long time, the first roller and the second roller will The second roller is prone to high temperature overheating, which has a great impact on the service life of the abrasive belt; in view of this, the inventor has provided a double-layer automatic sand leveling equipment after repeated research and experiments.

Contents of the invention

The purpose of the present invention is to provide a double-layer automatic sand flattening equipment for the deficiencies of the prior art. The equipment has the advantages of high grinding efficiency, good transmission performance and prolonging the service life of the abrasive belt.

In order to achieve the above object, a double-layer automatic sand leveling equipment of the present invention includes a bearing substrate, and the bearing substrate is respectively provided with a driving roller, a first driven roller, a second driven roller and a first driving roller for driving the driving roller. A motor, the bearing substrate is also provided with a third driven roller, the third driven roller, the first driven roller and the second driven roller are connected to each other through a backing belt, and the driving roller is connected to the belt through an abrasive belt. The first driven roller and the lining belt on the outside of the second driven roller are connected by transmission, and the bearing substrate is also provided with a pressing device for pressing against the lining belt.

Preferably, the bearing substrate is provided with a concave position for accommodating the pressure applying device, the pressure applying device includes a fixed arm fixedly connected with the concave position, the fixed arm is equipped with a fixed plate, and the fixed The plate is hinged with a movable plate, and the lower end of the movable plate is connected with a pressing block for pressing the lining belt, and also includes a first cylinder for driving the movable plate to move up and down.

Preferably, the bearing substrate is provided with a concave position for accommodating the pressure applying device, the pressure applying device includes a fixed arm fixedly connected with the concave position, the fixed arm is equipped with a fixed plate, and the fixed The plate is provided with a first cylinder, the end of the piston rod of which is connected with a pressing block for pressing against the lining strip.

The pressing device includes a movable arm, one end of the movable arm is hinged to the bearing substrate and is provided with a return spring, the movable arm is provided with a pressing block for pressing the lining strip, and the other end of the movable arm Extends outward to form a handle.

Preferably, the bearing substrate is provided with a first slide rail, the first slide rail is connected with a first slide seat, the first motor is fixedly connected with the first slide seat, and the output shaft of the first motor is connected to the The driving roller is connected, and the bearing substrate is also provided with a second air cylinder for driving the first sliding seat.

Preferably, the carrying substrate is provided with a second slide rail, the second slide rail is connected with a second sliding seat, the third driven roller is provided on the second sliding seat, and the carrying substrate is also provided with a Drive the third cylinder of the second slide.

Preferably, it also includes a lifting device for driving the carrying substrate to move up and down, the lifting device includes a fixed seat, and a lifting seat fixedly connected with the carrying substrate is arranged in the fixed seat, and the fixed seat is set There is a second motor, and the second motor is connected with a gearbox, and the gearbox is connected with a first screw rod for driving the lifting seat.

Preferably, the fixing seat is also provided with an auxiliary supporting mechanism, the supporting mechanism includes a screw sleeve and a second screw installed in the screw sleeve, and the fixing base is provided with a supporting connection block, so The supporting connection block is provided with a through hole, and a bearing is arranged in the through hole, and the upper end of the second screw rod passes through the bearing and extends upward to form an adjustment part.

Preferably, the backing tape includes a woven fabric layer and a sponge layer bonded to the woven fabric layer.

Preferably, the bearing substrate is further provided with an outer baffle, and the outer baffle is provided with a dust suction port corresponding to the driving roller.

Beneficial effects of the present invention: a double-layer automatic sand leveling equipment of the present invention includes a bearing base plate, and the bearing base plate is respectively provided with a driving roller, a first driven roller, a second driven roller and a device for driving the driving roller. The first motor, the bearing substrate is also provided with a third driven roller, the third driven roller, the first driven roller and the second driven roller are connected to each other through a lining belt; the automatic flat sand equipment has the following advantages : 1. Use the pressure device to apply pressure to the processing surface, which improves the transmission performance of the first driven roller and the second driven roller, and significantly improves the polishing efficiency; 2. Use the pressure device to avoid the direct impact of the abrasive belt Force, thereby prolonging the service life of the abrasive belt to the maximum extent; in summary, this equipment has the advantages of high grinding efficiency, good transmission performance and prolonging the service life of the abrasive belt.

Description of drawings

Fig. 1 is a perspective view of Embodiment 1 of the present invention.

Fig. 2 is a top view of Embodiment 1 of the present invention.

Fig. 3 is a bottom view of Embodiment 1 of the present invention.

Fig. 4 is a front view of Embodiment 1 of the present invention.

Fig. 5 is a sectional view taken along line A-A of Fig. 4 .

Fig. 6 is a sectional view taken along line B-B of Fig. 4 .

FIG. 7 is a schematic structural diagram of a pressure applying device according to Embodiment 1 of the present invention.

Fig. 8 is a schematic structural view of the backing tape according to Embodiment 1 of the present invention.

Fig. 9 is a schematic structural diagram of a pressure applying device according to Embodiment 2 of the present invention.

Fig. 10 is a schematic structural view of a pressure applying device according to Embodiment 3 of the present invention.

Reference signs include:

Carrying substrate--1, driving roller--11, lining belt--12,

Fabric layer--121, sponge layer--122, abrasive belt--13,

Concave position--14, the first slide rail--15, the second slide rail--16,

Outer baffle--17, dust suction port 18, first driven roller--21,

The second driven roller--22, the third driven roller--23, the first motor--24,

Pressure device--3, fixed arm--31, fixed plate--32,

Movable plate--33, resist pressure block--34, the first cylinder--35,

Movable arm--36, return spring--37, operating handle--38,

The first sliding seat - 41, the second cylinder - 42, the second sliding seat - 43,

The third cylinder--44, lifting device--5, fixed seat--51,

Lifting seat--52, the second motor--53, gearbox--54,

The first screw--55, auxiliary support mechanism--6, screw sleeve--61,

The second screw mandrel--62, the adjustment part--621, the support connection block--63.

detailed description

The present invention will be described in detail below in conjunction with the accompanying drawings.

Embodiment one.

Referring to Fig. 1 to Fig. 8, a double-layer automatic sand leveling equipment includes a bearing base plate 1, and the bearing base plate 1 is respectively provided with a driving roller 11, a first driven roller 21, a second driven roller 22 and the driving rollers thereof. The first motor 24 of the driving roller 11, the carrier substrate 1 is also provided with a third driven roller 23, the third driven roller 23, the first driven roller 21 and the second driven roller 22 pass through the backing belt 12 The driving roller 11 is connected to each other by transmission, the driving roller 11 is connected to the lining belt 12 on the outside of the first driven roller 21 and the second driven roller 22 through the abrasive belt 13, and the bearing substrate 1 is also provided with a 12 pressure device 3 . The working principle of this automatic flat sand equipment is: the first motor 24 drives the driving roller 11 to rotate, because the lining belt 12 is sequentially connected with the first driven roller 21, the second driven roller 22 and the three driven rollers, but The first driven roller 21, the second driven roller 22 and the three driven rollers themselves do not possess driving torque, and the driving roller 11 passes through the abrasive belt 13 and the first driven roller 21 and the second driven roller 22 outsides. The lining belt 12 is connected by transmission, that is, the abrasive belt 13 is further placed on the outside of the lining belt 12, so that the driving roller 11 is transmitted to the lining belt 12 through the abrasive belt 13, and driven by the lining belt 12, the first driven roller can be realized. The linkage of the roller 21, the second driven roller 22 and the third driven roller 23. At this time, the pressure device 3 is used to press the lining belt 12 between the first driven roller 21 and the second driven roller 22, so that the pressure can be further pressed from the lining belt 12 to the abrasive belt 13, so that the abrasive belt 13 It is tightly attached to the processing surface, and because its force is on the pressing device 3, the transmission performance of the first driven roller 21 and the second driven roller 22 is improved. In addition, due to the direct force of the pressing device 3 It is applied on the backing belt 12, so the pressure device 3 will not directly cause damage to the abrasive belt 13, and the direct friction caused by the pressure device 3 to the abrasive belt 13 and the high temperature generated by the friction thereof are changed. Obviously, This way can effectively improve the service life of the abrasive belt 13 .

In this technical solution, the carrier substrate 1 is provided with a concave position 14 for accommodating the pressing device 3 , and the pressing device 3 includes a fixed arm 31 fixedly connected with the concave position 14 , and the fixed arm 31 A fixed plate 32 is installed, the fixed plate 32 is hinged with a movable plate 33, the lower end of the movable plate 33 is connected with a pressing block 34 for pressing the lining belt 12, and also includes a 33 the first cylinder 35 that moves up and down. The lower end of the pressing block 34 and the movable plate 33 is slidingly connected, so that different pressing blocks 34 can be easily replaced quickly to adapt to different widths of the lining belt 12; during work, the first cylinder 35 and the The electromagnetic valve is connected, and then controlled by the control device. Specifically, the first cylinder 35 drives the movable plate 33 after receiving the work order. Since the movable plate 33 is hinged with the fixed plate 32 to form a quadrilateral, so the first cylinder 35 drives the movable plate 33 to stretch out downwards, so that the pressing block 34 is pressed to the backing belt 12, and the backing belt 12 further closely fits the abrasive belt 13 to the processing surface, thereby realizing the polishing operation. Obviously, using the above-mentioned scheme, the The degree of automation reduces the labor intensity of workers.

Usually, the abrasive belt 13 needs to be adjusted according to different plate thicknesses. For the convenience of operation, the bearing substrate 1 is provided with a first slide rail 15, and the first slide rail 15 is connected with a first sliding seat 41. The motor 24 is fixedly connected to the first sliding seat 41 , the output shaft of the first motor 24 is connected to the driving roller 11 , and the carrier substrate 1 is also provided with a second air cylinder 42 for driving the first sliding seat 41 . When the tension of the abrasive belt 13 needs to be adjusted, the second cylinder 42 drives the first slide 41 to move accordingly, so that the distance between the driving roller 11 and the first driven roller 21 and the second driven roller 22 is correspondingly adjusted. Changes to realize the tension adjustment of the abrasive belt 13. Certainly, those skilled in the art can easily think of other drive adjustment methods except inspired by the present structure, which will not be repeated here.

At the same time, since the lining belt 12 is in use, it is often necessary to make corresponding adjustments to adjust the pressing force. The bearing substrate 1 is provided with a second slide rail 16, and the second slide rail 16 is connected to a second slide seat 43 , the third driven roller 23 is disposed on the second sliding seat 43 , and the carrying substrate 1 is also provided with a third air cylinder 44 for driving the second sliding seat 43 . When the tension of the backing belt 12 needs to be adjusted, the third cylinder 44 drives the second sliding seat 43 to move accordingly, and the third driven roller 23 is arranged on the second sliding seat 43, so the third driven roller 23 As the second sliding seat 43 moves, the adjustment of the backing belt 12 is realized. Of course, those skilled in the art can easily think of other drive adjustment methods except inspired by the present structure, which will not be repeated here.

In this technical solution, usually when processing boards of different widths, some need to directly process the high position, and sometimes need to directly process the low position. Therefore, in order to further meet this need, this solution also includes a method for driving the bearing substrate 1 up and down. The moving lifting device 5, the lifting device 5 includes a fixed seat 51, the fixed seat 51 is provided with a lifting seat 52 fixedly connected with the carrier substrate 1, and the fixed seat 51 is provided with a second motor 53, so The second motor 53 is connected with a gearbox 54, and the gearbox 54 is connected with a first screw rod 55 for driving the lifting seat 52. When it is necessary to lift the entire carrier substrate 1 upwards, the second motor 53 starts, and the gearbox 54 transmits the speed output to the first screw mandrel 55, and the first screw mandrel 55 rotates forward to lift the lifting seat 52 upwards, so that The carrier substrate 1 moves upward; similarly, when it needs to descend, the second motor 53 starts the gearbox 54 to transmit the speed output to the first screw rod 55, and the first screw rod 55 reverses to lower the lifting seat 52, so that the carrier substrate 1 1 to move down.

Since the carrying substrate 1 needs to carry more components, in order to ensure more stability when lifting, the fixed seat 51 is also provided with an auxiliary support mechanism 6, and the auxiliary support mechanism 6 includes a screw rod sleeve 61 and a screw rod sleeve 61 installed with the screw rod. The second threaded mandrel 62 in the rod sleeve 61, the fixed base 51 is provided with a supporting connection block 63, and the support connecting block 63 is provided with a through hole, and a bearing is arranged in the through hole, and the second threaded mandrel 62 The upper end of the upper end passes through the bearing and extends upward to form an adjustment portion 621 . When adjustment is required, use tools such as a wrench to rotate the second screw mandrel 62, so that the second screw mandrel 62 is screwed into the screw mandrel cover 61 or unscrewed from the screw mandrel cover 61, so that the adjustment of the support strength can be realized; 62 can obviously also be driven by electric methods such as servo. When it needs to be emphasized, the screw sleeve 61 described in this solution is set obliquely, and the bottom end of the screw sleeve 61 is used to be hinged with the machine body, wherein the machine body Not shown in the figure, the auxiliary supporting mechanism 6 has the advantages of simple structure and good supporting and stabilizing effects.

As a further preferred manner, the backing tape 12 includes a woven fabric layer 121 and a sponge layer 122 attached to the woven fabric layer 121 . The woven fabric layer 121 is suitable for rubbing against the pressing block 34 , and at the same time, the surface of the woven fabric layer 121 is preferably provided with wax powder, which can further reduce friction and improve the service life of the backing belt 12 . And described sponge layer 122 is in contact with abrasive belt 13, both can not occur skidding phenomenon, has soft surface again, guarantees the prolongation of the service life of abrasive belt 13.

When the device is in operation, there is often a lot of dust. In order to avoid the accumulation of dust inside, the concave position 14 is provided with an inner baffle.

At the same time, the carrying substrate 1 is also provided with an outer baffle 17 , and the outer baffle 17 is provided with a dust suction port 18 corresponding to the driving roller 11 . The outer baffle 17 can prevent dust from flying freely. Under the action of the dust suction port 18, the dust in the process of grinding moves with the abrasive belt 13, and is absorbed and concentrated by the dust suction port 18 to ensure good work. environment.

Embodiment two.

Referring to FIG. 9 , the difference between this embodiment and Embodiment 1 is that: the carrier substrate 1 is provided with a concave position 14 for accommodating the pressure applying device 3 , and the pressure applying device 3 is fixed with the concave position 14 A connected fixed arm 31, the fixed arm 31 is equipped with a fixed plate 32, the fixed plate 32 is provided with a first cylinder 35, and the end of the piston rod of the first cylinder 35 is connected with a 12 of the pressing block 34. When working, the first cylinder 35 directly drives the pressing block 34 to press against the backing belt 12 , and the structure of the pressing device 3 in this embodiment is simpler and easier to manufacture.

Other parts of this embodiment are the same as those of Embodiment 1, and will not be repeated here.

Embodiment three.

Referring to FIG. 10 , the difference between this embodiment and Embodiment 1 is that the pressing device 3 includes a movable arm 36 , one end of the movable arm 36 is hinged to the carrier substrate 1 and a return spring 37 is provided, and the movable arm 36 The arm 36 is provided with a pressing block 34 for pressing against the backing strip 12 , and the other end of the movable arm 36 extends outward to form an operating handle 38 . When the pressing device 3 of this embodiment is working, the operator manually controls the operating handle 38 so that the pressing block 34 is pressed against the lining belt 12. In this embodiment, the manual method can greatly save the manufacturing cost of the equipment. And easy to maintain.

Other parts of this embodiment are the same as those of Embodiment 1, and will not be repeated here.

The above content is only a preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. limits.

Claims (10)

1. A double-layer automatic sand leveling equipment, comprising a load-bearing substrate (1), and the load-bearing substrate (1) is respectively provided with a driving roller (11), a first driven roller (21), and a second driven roller (22) and the first motor (24) for driving the driving roller (11), characterized in that: the carrier substrate (1) is also provided with a third driven roller (23), and the third driven roller (23 ), the first driven roller (21) and the second driven roller (22) are connected to each other through the lining belt (12), and the driving roller (11) is connected to the first driven roller (21) through the abrasive belt (13) ) is in transmission connection with the lining belt (12) outside the second driven roller (22), and the bearing substrate (1) is also provided with a pressing device (3) for pressing against the lining belt (12). 2. The double-layer automatic sand leveling equipment according to claim 1, characterized in that: the bearing substrate (1) is provided with a concave position (14) for accommodating the pressure applying device (3), the The pressing device (3) includes a fixed arm (31) fixedly connected to the recess (14), the fixed arm (31) is equipped with a fixed plate (32), and the fixed plate (32) is hinged with a movable plate ( 33), the lower end of the movable plate (33) is connected with a pressing block (34) for pressing the lining belt (12), and also includes a first cylinder for driving the movable plate (33) to move up and down (35). 3. The double-layer automatic sand leveling equipment according to claim 1, characterized in that: the bearing substrate (1) is provided with a concave position (14) for accommodating the pressure applying device (3), the The pressure applying device (3) includes a fixed arm (31) fixedly connected with the recess (14), the fixed arm (31) is equipped with a fixed plate (32), and the fixed plate (32) is provided with a first cylinder (35), the end of the piston rod of the first cylinder (35) is connected with a pressing block (34) for pressing the lining belt (12). 4. A double-layer automatic sand leveling equipment according to claim 1, characterized in that: the pressure applying device (3) includes a movable arm (36), and one end of the movable arm (36) is connected to the bearing substrate (1 ) is hinged and provided with a return spring (37), the movable arm (36) is provided with a pressing block (34) for pressing the lining belt (12), and the other end of the movable arm (36) is outward Extends to form handle (38). 5. The double-layer automatic sand leveling equipment according to claim 1, characterized in that: the bearing substrate (1) is provided with a first slide rail (15), and the first slide rail (15) is connected with a second A sliding seat (41), the first motor (24) is fixedly connected to the first sliding seat (41), the output shaft of the first motor (24) is connected to the driving roller (11), and the carrying substrate ( 1) A second air cylinder (42) for driving the first sliding seat (41) is also provided. 6. The double-layer automatic sand leveling equipment according to claim 1, characterized in that: the bearing substrate (1) is provided with a second slide rail (16), and the second slide rail (16) is connected with a second slide rail (16). Two sliding seats (43), the third driven roller (23) is arranged on the second sliding seat (43), and the bearing base plate (1) is also provided with a second sliding seat (43) for driving the second sliding seat (43). Three cylinders (44). 7. A double-layer automatic sand leveling equipment according to claim 1, characterized in that: it also includes a lifting device (5) for driving the carrying substrate (1) to move up and down, and the lifting device (5) includes A fixed seat (51), the fixed seat (51) is provided with a lifting seat (52) fixedly connected with the bearing substrate (1), and the fixed seat (51) is provided with a second motor (53), so The second motor (53) is connected with a gearbox (54), and the gearbox (54) is connected with a first screw rod (55) for driving the lifting seat (52). 8. A double-layer automatic sand leveling device according to claim 7, characterized in that: the fixed seat (51) is also provided with an auxiliary support mechanism (6), and the auxiliary support mechanism (6) includes a screw sleeve (61) and the second screw rod (62) installed in the screw rod sleeve (61), the fixed seat (51) is provided with a support connection block (63), and the support connection block (63) is set There is a through hole, and a bearing is arranged in the through hole, and the upper end of the second threaded rod (62) passes through the bearing and extends upward to form an adjustment part (621). 9. The double-layer automatic sand leveling equipment according to claim 1, characterized in that: the lining belt (12) includes a woven layer (121) and a sponge layer attached to the woven layer (121) (122). 10. A double-layer automatic sand leveling equipment according to any one of claims 1 to 9, characterized in that: the bearing substrate (1) is also provided with an outer baffle (17), and the outer baffle (17) A dust suction port (18) corresponding to the driving roller (11) is provided.