Sanding machine

Abstract

The utility model relates to a sander which comprises a box body and a sanding assembly, a feeding port is formed in one side of the box body, a discharging port is formed in the other side of the box body, and a sanding path is formed in the box body in the direction from the feeding port to the discharging port. The sanding assembly comprises a plurality of rotating rollers and two sanding belts, the rotating rollers are sequentially arranged in the vertical direction and rotationally connected with the box body, one sanding belt is arranged on the rotating rollers on the upper portion in a sleeving mode, the other sanding belt is arranged on the rotating rollers on the lower portion in a sleeving mode, and a sanding gap located in a sanding path is formed between the two sanding belts; the multiple rotating rollers are sequentially arranged in the vertical direction, one abrasive belt is arranged on the multiple rotating rollers on the upper portion in a sleeving mode, the other abrasive belt is arranged on the multiple rotating rollers on the lower portion in a sleeving mode, a sanding gap located in a sanding path is formed between the two abrasive belts, the contact area between the abrasive belts and a plate is small, meanwhile, the circulation path of the abrasive belts is prolonged, and the sanding efficiency is improved. The interval time of contact between the same part of the abrasive belt and the plate is greatly prolonged, and the abrasive belt is convenient to cool.

Description

Technical Field

[0001] The utility model relates to the technical field of plate sanding, in particular to a sanding machine. Background Art

[0002] Plywood, also known as plywood or thin core board, is one of the commonly used materials for furniture and is a kind of man-made board. A group of veneers are usually assembled and glued together in the direction of the wood grain of adjacent layers, and the surface board and the inner layer board are usually symmetrically arranged on both sides of the center layer or the core of the board. The inner layer board is also called the wood board substrate. The veneers coated with glue are crisscrossed in the direction of the wood grain to form a slab, which is pressed under heating conditions. The physical and mechanical properties in the vertical and horizontal directions are slightly different. Commonly used are three-ply boards and five-ply boards. Plywood can improve the utilization rate of wood and is a major way to save wood. Its main processes include rotary cutting, drying, gluing and pressing, scraping, sawing and cutting the core, sanding, and hot pressing the surface board.

[0003] Sanding is the process of using a sanding machine to sand the products that have been treated with core cutting and seam filling to ensure that the surface of the board is smooth and flat and the thickness is uniform.

[0004] For example, the utility model patent with application number CN202321661126.4 proposes a furniture board sanding machine, which includes a frame mechanism, a sanding mechanism and a dust removal mechanism. The sanding mechanism is arranged inside the upper part of the frame mechanism, and the dust removal mechanism is fixedly connected to the bottom of the frame mechanism. The dust removal mechanism consists of a dust collection box, a fan, a collection box and a box door. The dust collection box is arranged above the dust removal mechanism, the dust collection box is fixedly connected to the bottom of the support plate, the fan is fixedly connected to the bottom of the dust collection box, the collection box is fixedly connected to the output end of the fan, and the box door is movably installed on the front of the collection box by hinges, and a handle is provided on the top of the box door, so that the wood chips in the collection box can be more conveniently handled through the box door.

[0005] However, the outer wall of the sanding roller is constantly rubbing against the plate, and it is necessary to use a water tank to spray water to cool the sander, which is inconvenient to use. Utility Model Content

[0006] In view of this, it is necessary to provide a sanding machine to solve the problem that the sanding roller in the sanding machine is constantly rubbing against the plate, and the sanding roller needs to be cooled by spraying water from a water tank, which is inconvenient to use.

[0007] The utility model provides a sanding machine, comprising a box body and a sanding assembly, wherein a feed port is arranged on one side of the box body, and a discharge port is arranged on the other side of the box body, a sanding path is formed inside the box body along the direction from the feed port to the discharge port, the sanding assembly comprises a plurality of rollers which are arranged in sequence along the vertical direction and rotatably connected with the box body, and two sanding belts, wherein one of the sanding belts is sleeved on the plurality of rollers at the top, and the other of the sanding belts is sleeved on the plurality of rollers at the bottom, and a sanding gap located in the sanding path is formed between the two sanding belts.

[0008] Furthermore, the number of the rollers is four, the upper two rollers are connected to one of the sanding belts, and the lower two rollers are connected to another sanding belt, the sanding belts are ring-shaped, and extend in the vertical direction.

[0009] Furthermore, it also includes a plurality of air supply components installed on the side wall of the box body, at least two of the air supply components are connected to an external air source and are respectively directed to the two sanding belts to cool the sanding belts, and at least one of the air supply components is connected to the box body and the dust collector.

[0010] Furthermore, at least one air supply component connected to an external air source is provided on one side of the sanding belt close to the discharge port of the box, and at least one air supply component connected to a dust collector is provided on one side of the sanding belt close to the feed port of the box.

[0011] Furthermore, the air supply components include an air pump, an air supply pipe, a transverse pipe and a plurality of nozzles. The air pump is fixedly connected to the box body. The air pump is communicated with the transverse pipe via the air supply pipe. Both ends of the transverse pipe are closed and built into the box body along a horizontal direction perpendicular to the sanding path. The plurality of nozzles are arranged in sequence and communicated along the length direction of the transverse pipe.

[0012] Furthermore, an acute angle is formed between the directions of the multiple nozzles located on one side of the discharge port and the conveying direction of the corresponding side of the sand belt, and an obtuse angle is formed between the directions of the multiple nozzles located on one side of the feed port and the conveying direction of the corresponding side of the sand belt.

[0013] Furthermore, it also includes a dust detection component, which includes a laser transmitter and a laser receiver built into the box, and the transmitting end of the laser transmitter is arranged to point to the receiving end of the laser receiver.

[0014] Furthermore, it also includes a controller, the laser receiver is electrically connected to the controller, and the controller is electrically connected to the air supply component, so as to control the action of the air supply component according to the signal received by the laser receiver.

[0015] Furthermore, it also includes two feeding components respectively installed at the feed port and the discharge port, each of the feeding components includes two feeding conveyor belts arranged in parallel, and a feeding gap is formed between the two feeding conveyor belts.

[0016] Furthermore, each of the feeding assemblies also includes two guide plates arranged in parallel and horizontally, and the guide plates are arranged at a position between the feeding conveyor belt and the sanding belt, and a guide gap connecting the feeding gap and the sanding gap is formed between the two guide plates.

[0017] Compared with the prior art, multiple rollers are arranged in sequence along the vertical direction, one sanding belt is set on the multiple rollers above, and the other sanding belt is set on the multiple rollers below. A sanding gap located in the sanding path is formed between the two sanding belts. The contact area between the sanding belt and the plate is small. At the same time, the circulation path of the sanding belt is extended, and the interval time between the contact between the same part of the sanding belt and the plate is greatly extended, which is convenient for cooling the sanding belt and avoids frequent operation of the sanding belt affecting its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the overall structure of a sanding machine provided in an embodiment of the utility model;

[0019] Figure 2 A schematic diagram of the arrangement of a nozzle in a sanding machine provided by an embodiment of the utility model;

[0020] Figure 3 A schematic diagram of a controller controlling an air supply assembly in a sanding machine provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0022] like Figure 1 As shown, the utility model provides a sanding machine, including a box body 100 and a sanding assembly 200, a feed port 110 is arranged on one side of the box body 100, and a discharge port 120 is arranged on the other side, a sanding path is formed inside the box body 100 along the direction from the feed port 110 to the discharge port 120, the sanding assembly 200 includes a plurality of rollers 210 arranged in sequence along the vertical direction and rotatably connected to the box body 100, and two sanding belts 220, wherein one sanding belt 220 is sleeved on the plurality of rollers 210 at the top, and the other sanding belt 220 is sleeved on the plurality of rollers 210 at the bottom, and a sanding gap located in the sanding path is formed between the two sanding belts 220.

[0023] Among them, multiple rollers 210 are arranged in sequence along the vertical direction, one sanding belt 220 is sleeved on the multiple rollers 210 above, and the other sanding belt 220 is sleeved on the multiple rollers 210 below. A sanding gap located in the sanding path is formed between the two sanding belts 220. The contact area between the sanding belt 220 and the plate is small, and at the same time, the circulation path of the sanding belt 220 is extended, which greatly extends the interval time that the same part of the sanding belt 220 contacts the plate, which is convenient for cooling the sanding belt 220 and avoids frequent operation of the sanding belt 220 affecting its service life.

[0024] The box body 100 in this embodiment provides a relatively closed space for the sanding work of the plate. A feed port 110 is provided on one side of the box body 100 and a discharge port 120 is provided on the other side. A sanding path is formed inside the box body 100 along the direction from the feed port 110 to the discharge port 120.

[0025] The sanding assembly 200 in this embodiment is a structure for sanding the surface of a plate, wherein the sanding assembly 200 includes a plurality of rollers 210 arranged in sequence along the vertical direction and rotatably connected to the box 100, and two sanding belts 220, wherein one sanding belt 220 is sleeved on the upper plurality of rollers 210, and the other sanding belt 220 is sleeved on the lower plurality of rollers 210, and a sanding gap is formed between the two sanding belts 220 in the sanding path.

[0026] In one embodiment, there are four rollers 210 , the upper two rollers 210 are connected to one of the sanding belts 220 , and the lower two rollers 210 are connected to another sanding belt 220 . The sanding belts 220 are ring-shaped and extend in the vertical direction.

[0027] In order to improve the cooling effect of the sanding belt 220, the present embodiment also includes a plurality of air supply components 300 installed on the side wall of the box body 100, at least two air supply components 300 are connected to an external air source and are respectively directed to the two sanding belts 220 to cool the sanding belts 220, and at least one air supply component 300 is connected to the box body 100 and the dust collector.

[0028] In one embodiment, at least one air supply component 300 connected to an external air source is provided on the side of the sanding belt 220 close to the discharge port 120 of the box 100, and at least one air supply component 300 connected to a dust collector is provided on the side of the sanding belt 220 close to the feed port 110 of the box 100.

[0029] In one embodiment, the air supply components 300 include an air pump 310, an air supply pipe 320, a transverse pipe 330 and a plurality of nozzles 340. The air pump 310 is fixedly connected to the box 100. The air pump 310 is connected to the transverse pipe 330 via the air supply pipe 320. Both ends of the transverse pipe 330 are closed and built into the box 100 along a horizontal direction perpendicular to the sanding path. The plurality of nozzles 340 are arranged in sequence and connected along the length direction of the transverse pipe 330.

[0030] like Figure 2 As shown, in one embodiment, the directions of the multiple nozzles 340 located on one side of the discharge port 120 form an acute angle with the conveying direction of the corresponding side of the abrasive belt 220, and the directions of the multiple nozzles 340 located on one side of the feed port 110 form an obtuse angle with the conveying direction of the corresponding side of the abrasive belt 220. According to the rotation direction of the abrasive belt 220, the multiple nozzles 340 located on one side of the discharge port 120 can blow the dust on the abrasive belt 220 and in the box to the side of the feed port 110.

[0031] The present embodiment also includes a dust detection component 400, which includes a laser transmitter and a laser receiver built into the housing 100, and the transmitting end of the laser transmitter is arranged to point to the receiving end of the laser receiver.

[0032] To facilitate adjusting the power of the air pump 310, Figure 3 As shown, the present embodiment further includes a controller 600, the laser receiver is electrically connected to the controller 600, and the controller 600 is electrically connected to the gas supply component 300, so as to control the operation of the gas supply component 300 according to the signal received by the laser receiver.

[0033] It can be understood that the control is a structure that can be thought of by those skilled in the art and can be implemented by using one or more of PLC or DCS.

[0034] The present embodiment also includes two feeding assemblies 500 respectively installed at the feed port 110 and the discharge port 120 . Each feeding assembly 500 includes two feeding conveyor belts arranged in parallel, and a feeding gap is formed between the two feeding conveyor belts.

[0035] In one embodiment, each feeding assembly 500 further includes two parallel and horizontally arranged guide plates 510 , the guide plates 510 being arranged between the feeding conveyor belt and the sanding belt 220 , and a guide gap connecting the feeding gap and the sanding gap is formed between the two guide plates 510 .

[0036] Compared with the prior art: multiple rollers 210 are arranged in sequence along the vertical direction, one sanding belt 220 is sleeved on the multiple rollers 210 above, and the other sanding belt 220 is sleeved on the multiple rollers 210 below, and a sanding gap located in the sanding path is formed between the two sanding belts 220. The contact area between the sanding belt 220 and the plate is small, and at the same time, the circulation path of the sanding belt 220 is extended, which greatly extends the interval time that the same part of the sanding belt 220 contacts the plate, which is convenient for cooling the sanding belt 220 and avoids frequent operation of the sanding belt 220 affecting its service life.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A sanding machine, characterized in that: Including box and sanding components; A feed inlet is provided on one side of the box body, and a discharge outlet is provided on the other side, and a sanding path is formed inside the box body in a direction from the feed inlet to the discharge outlet; The sanding assembly includes a plurality of rollers arranged in sequence along the vertical direction and rotatably connected to the box body, and two sanding belts, wherein one of the sanding belts is sleeved on the plurality of rollers above, and the other sanding belt is sleeved on the plurality of rollers below, and a sanding gap located in the sanding path is formed between the two sanding belts.

2. The sanding machine according to claim 1, characterized in that: There are four rollers, the upper two rollers are connected to one of the sanding belts, and the lower two rollers are connected to another sanding belt. The sanding belts are ring-shaped and extend in a vertical direction.

3. The sanding machine according to claim 1, characterized in that: It also includes a plurality of air supply components installed on the side wall of the box body, at least two of the air supply components are connected to an external air source and are respectively directed to the two sanding belts to cool the sanding belts, and at least one of the air supply components is connected to the box body and a dust collector.

4. The sanding machine according to claim 3, characterized in that: At least one air supply component connected to an external air source is arranged on one side of the sanding belt close to the material outlet of the box, and at least one air supply component connected to a dust collector is arranged on one side of the sanding belt close to the material inlet of the box.

5. The sanding machine according to claim 3, characterized in that: The air supply components all include an air pump, an air supply pipe, a transverse pipe and a plurality of nozzles. The air pump is fixedly connected to the box body. The air pump is communicated with the transverse pipe via the air supply pipe. Both ends of the transverse pipe are closed and built into the box body along a horizontal direction perpendicular to the sanding path. The plurality of nozzles are arranged in sequence and communicated along the length direction of the transverse pipe.

6. The sanding machine according to claim 5, characterized in that: An acute angle is formed between the directions of the multiple nozzles located on one side of the discharge port and the conveying direction of the corresponding side of the abrasive belt, and an obtuse angle is formed between the directions of the multiple nozzles located on one side of the feed port and the conveying direction of the corresponding side of the abrasive belt.

7. The sanding machine according to claim 3, characterized in that: It also includes a dust detection component, which includes a laser transmitter and a laser receiver built into the box, and the transmitting end of the laser transmitter is arranged to point to the receiving end of the laser receiver.

8. The sanding machine according to claim 7, characterized in that: It also includes a controller, the laser receiver is electrically connected to the controller, and the controller is electrically connected to the air supply component, so as to control the action of the air supply component according to the signal received by the laser receiver.

9. The sanding machine according to claim 1, characterized in that: It also includes two feeding components respectively installed at the feed port and the discharge port, each of the feeding components includes two feeding conveyor belts arranged in parallel, and a feeding gap is formed between the two feeding conveyor belts.

10. The sanding machine according to claim 9, characterized in that Each of the feeding assemblies further comprises two guide plates arranged in parallel and horizontally, wherein the guide plates are arranged at a position between the feeding conveyor belt and the sanding belt, and a guide gap connecting the feeding gap and the sanding gap is formed between the two guide plates.

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