CN209793386U - Special-shaped curved surface sander with pressure induction wheel - Google Patents

Abstract

The utility model discloses a special-shaped curved surface sander with a pressure induction wheel, which comprises a motor, a base, a sanding control device, an abrasive belt, a driving roller, a tension roller, a sanding roller, a pressure induction wheel, a sanding beam and Workbench; the workbench is fixedly connected to the base through a support column, and a sanding control device is provided between the workbench and the base; the sanding beam is fixedly connected to the workbench, and the top of the sanding beam is provided with a driving roller, and the workbench The upper part is equipped with a tension roller, and the abrasive belt is wound around the surface of the driving roller and the tension roller and tensioned. A motor is fixed on the sanding beam; a pressure induction wheel, a sanding roller and a workpiece are installed on the workbench. The signal receiving end of the sanding control device is connected with the pressure sensing wheel, and the signal output end of the sanding control device is connected with the sanding roller. The utility model ensures the uniform distribution of pressure on the abrasive belt when sanding parts with special-shaped curved surfaces, ensures the sanding precision, and improves the quality of processed workpieces.

Description

A special-shaped curved surface sander with pressure induction wheel

technical field

The invention relates to the field of wood processing equipment, in particular to a special-shaped curved surface sander with pressure induction wheels.

Background technique

The special-shaped parts of solid wood furniture have different shapes and types, and the processing process is complicated. Among them, the surface height of the special-shaped curved surface parts fluctuates. High, poor surface quality and other shortcomings.

Contents of the invention

The purpose of the present invention is to provide a special-shaped curved surface sander with a pressure-sensitive wheel to solve the above problems.

The present invention is achieved through the following technical solutions:

A special-shaped curved surface sander with a pressure induction wheel, comprising a motor, a base, a sanding control device, an abrasive belt, a driving roller, a tension roller, a sanding roller, a pressure induction wheel, a sanding beam and a workbench; The workbench is fixedly connected to the base through the support column, and a sanding control device is arranged between the workbench and the base; There is a tension roller, the abrasive belt is wound around the surface of the driving roller and the tension roller and tensioned, a motor is fixed on the sanding beam to control the rotation of the driving roller; a pressure roller is installed on the workbench Induction wheel, sanding roller and workpiece, the pressure induction wheel and sanding roller are arranged on both sides of the workbench, parallel to the direction of the abrasive belt; the sanding roller is arranged on one side of the abrasive belt and is located on the upper part of the abrasive belt ; The workpiece is located under the pressure sensing wheel, and moves from one side of the pressure sensing wheel to one side of the sanding roller until the bottom of the sanding belt; the sanding control device includes a main controller, an AD conversion module and a sanding Roller motor, the signal receiving end of the AD conversion module is connected to the signal output end of the pressure induction wheel, the signal output end of the AD conversion module is connected to the signal receiving end of the main controller, and the signal output end of the main controller It is connected with the signal receiving end of the sanding roller motor, and the sanding roller motor is used to drive the sanding roller to move.

The technical problem further solved by the present invention is that the driving roller is located at the center of the top of the sanding beam, the two sides of the sanding beam are fixedly connected with the workbench, and the sanding beam and the workbench form an equilateral triangle structure.

The technical problem further solved by the present invention is that the tension rollers are provided with two groups, which are arranged symmetrically at the two bottom corners of the equilateral triangle formed by the sanding beam and the workbench; The driving roller on the top of the light beam and the two sets of tension rollers on the upper part of the workbench form an equilateral triangle structure.

The technical problem further solved by the present invention is that when the motor drives the driving roll to rotate, the driving roll sands the workpiece placed on the workbench through the abrasive belt stretched on the tensioning roll.

The technical problem further solved by the present invention is that the movement direction of the abrasive belt is perpendicular to the movement direction of the workpiece.

The technical problem further solved by the present invention is that the shapes of the pressure sensing wheel and the sanding roller match the shape of the sanded surface of the workpiece.

The technical problem further solved by the present invention is that the model of the main controller is mk60f512, the model of the AD conversion module is HX711, and the AD conversion module is connected to the main controller through a 485 bus.

The advantage of the present invention compared with prior art is:

A special-shaped curved surface sander with a pressure induction wheel of the present invention is provided with a motor, a base, a sanding control device, an abrasive belt, a driving roller, a tension roller, a sanding roller, a pressure induction wheel, a sanding beam and a working The pressure sensor wheel sends out the signal of the characteristic pressure shape of the workpiece surface, and then the sanding control device receives the pressure information and outputs it as an electrical signal to the sanding roller to change the pressure distribution of the sanding roller, so as to target the surface of the workpiece The process of sanding the feature shape with high precision. The invention ensures the uniform distribution of pressure on the abrasive belt when sanding parts with special-shaped curved surfaces, ensures the sanding precision and improves the quality of processed workpieces.

Description of drawings

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

Fig. 2 is a front view of the present invention.

Fig. 3 is a schematic diagram of the pressure sensing operation of the present invention.

Fig. 4 is a schematic diagram of the sanding work of the present invention.

Fig. 5 is a schematic diagram of the signal connection of the sanding control device of the present invention.

Serial number in the picture, 1-motor, 2-base, 3-sanding control device, 4-abrasive belt, 5-driving roller, 6-tension roller, 7-sanding roller, 8-pressure induction wheel, 9-workpiece , 10-sanding beam, 11-working table, 12-support column.

Detailed ways

The content of the invention of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in Figure 1-2, a special-shaped curved surface sander with a pressure-sensitive wheel includes a motor 1, a base 2, a sanding control device 3, an abrasive belt 4, a driving roller 5, a tension roller 6, and a sanding roller 7. Pressure sensing wheel 8, sanding beam 10 and workbench 11; said workbench 11 is fixedly connected to base 2 through support column 12, and a sanding control device 3 is provided between workbench 11 and base 2; said sander The light beam 10 is fixedly connected to the workbench 11, the top of the sanding beam 10 is provided with a driving roller 5, and the upper part of the workbench 11 is provided with a tension roller 6, and the abrasive belt 4 is wound around the drive roller 5 and the tension roller 6 and tensioned, the sanding beam 10 is fixed with a motor 1 for controlling the rotation of the drive roller 5; the workbench 11 is equipped with a pressure induction wheel 8, a sanding roller 7 and a workpiece 9, and the The pressure sensing wheel 8 and the sanding roller 7 are arranged on both sides of the workbench 11, parallel to the direction of the abrasive belt 4; the sanding roller 7 is arranged on one side of the abrasive belt 4 and is located on the top of the abrasive belt 4; 9 is located under the pressure sensing wheel 8, and moves from one side of the pressure sensing wheel 8 to one side of the sanding roller 7 until the bottom of the sanding belt 4; the sanding control device 3 includes a main controller, an AD conversion module and The sanding roller motor, the signal receiving end of the AD conversion module is connected with the signal output end of the pressure sensing wheel 8, the signal output end of the AD conversion module is connected with the signal receiving end of the main controller, and the main controller The signal output end is connected with the signal receiving end of the sanding roller motor, and the sanding roller motor is used to drive the sanding roller 7 to move.

In this embodiment, the driving roller 5 is located at the center of the top of the sanding beam 10; both sides of the sanding beam 10 are fixedly connected to the workbench 11, and the sanding beam 10 and the workbench 11 form an equilateral triangle structure.

In this embodiment, the tension roller 6 is provided with two groups, which are arranged symmetrically at the two bottom corners of the equilateral triangle formed by the sanding beam 10 and the workbench 11; The driving roller 5 on the top of the light beam 10 and the surfaces of the two groups of tension rollers 6 located on the top of the workbench 11 form an equilateral triangle structure.

In this embodiment, when the motor 1 drives the driving roller 5 to rotate, the driving roller 5 sands the workpiece 9 placed on the workbench through the abrasive belt 4 stretched on the tension roller 6 .

In this embodiment, the movement direction of the abrasive belt 4 is perpendicular to the movement direction of the workpiece 9 .

In this embodiment, the shapes of the pressure sensing wheel 8 and the sanding roller 7 match the shape of the sanded surface of the workpiece 9 .

In this embodiment, referring to FIG. 5 , the model of the main controller in the sanding control device is mk60f512, the model of the AD conversion module is HX711, and the AD conversion module is connected to the main controller through a 485 bus. When the pressure sensing wheel 8 receives the characteristic pressure shape change from the surface of the workpiece, the analog pressure signal is converted into a digital electrical signal through the AD conversion module of HX711 and output, and the output electrical signal is collected in the main controller through the 485 bus for processing , and finally the main controller transmits the processed signal to the sanding roller motor, and the motor further controls the sanding roller to work.

Concrete use process of the present invention is as follows:

Referring to Fig. 3 and Fig. 4, the workpiece is in a "convex" shape. When the workpiece 9 is fed on the worktable 11, it first passes through the pressure induction wheel 8. The shape of the pressure induction wheel 8 is the same as the "convex" shape. The workpiece 9 of the font is matched, and the pressure sensing wheel 8 can sense the surface characteristic pressure shape of the workpiece 9 at this time, and the pressure signal is converted into an electrical signal by the AD conversion module and sent to the main controller in the sanding control device 3. After the controller processes the signal, it is transmitted to the sanding roller motor; at this time, the workpiece 9 gradually moves to one side of the sanding roller 7 on the workbench 11, and the shape of the sanding roller 7 is also in the same shape as the "convex" font. When the workpiece 9 moves to the bottom of the sanding roller 7, the sanding roller 7 is controlled by the sanding roller motor and changes its pressure distribution, and controls the abrasive belt 4 located under the sanding roller 7 against the surface of the workpiece 9 Feature shapes are sanded with high precision.

The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, without departing from the inventive concept of the present invention, some modifications and improvements can also be made, and these all belong to the present invention. protection scope of the invention.

Claims (7)

1. A special-shaped curved surface sander with a pressure-sensitive wheel, characterized in that it includes a motor (1), a base (2), a sanding control device (3), an abrasive belt (4), a drive roller (5), tension roller (6), sanding roller (7), pressure induction wheel (8), sanding beam (10) and workbench (11); said workbench (11) is fixedly connected to the The base (2), the sanding control device (3) is arranged between the workbench (11) and the base (2); the sanding beam (10) is fixedly connected to the workbench (11), and the sanding beam (10 ) is provided with a driving roller (5), and the top of the workbench (11) is provided with a tension roller (6), and the abrasive belt (4) is wound around the connection between the driving roller (5) and the tension roller (6). The surface is tensioned, and a motor (1) is fixed on the sanding beam (10) to control the rotation of the drive roller (5); pressure induction wheels (8), sanding Roller (7) and workpiece (9), described pressure induction wheel (8) and sanding roller (7) are arranged on the both sides of workbench (11), parallel with the direction of sanding belt (4); Said sanding roller (7) be located on one side of the abrasive belt (4) and be positioned at the upper part of the abrasive belt (4); the workpiece (9) is located below the pressure sensing wheel (8), and from one side of the pressure sensing wheel (8) Move to one side of the sanding roller (7), until below the abrasive belt (4); the sanding control device (3) includes a main controller, an AD conversion module and a sanding roller motor, and the signal of the AD conversion module The receiving end is connected with the signal output end of the pressure sensing wheel (8), the signal output end of the AD conversion module is connected with the signal receiving end of the main controller, and the signal output end of the main controller is connected with the signal of the sanding roller motor The receiving end is connected, and the sanding roller motor is used to drive the sanding roller (7) to move. 2. A kind of special-shaped curved surface sander with pressure induction wheel according to claim 1, it is characterized in that: described driving roller (5) is positioned at the center position of sanding beam (10) top, sanding beam (10) ) are fixedly connected with the workbench (11), and the sanding beam (10) and the workbench (11) form an equilateral triangle structure. 3. A special-shaped curved surface sander with a pressure-sensitive wheel according to claim 2, characterized in that: said tension roller (6) is provided with two groups, symmetrically arranged between the sanding beam (10) and the working At the two bottom corners of the equilateral triangle surrounded by the platform (11); the abrasive belt (4) is wound around the driving roller (5) at the top of the sanding beam (10) and the top of the workbench (11). The surfaces of two groups of tension rollers (6) surround an equilateral triangle structure. 4. A special-shaped curved surface sander with a pressure-sensitive wheel according to claim 1, characterized in that: when the motor (1) drives the drive roller (5) to rotate, the drive roller (5) is tensioned on The abrasive belt (4) on the tension roller (6) sands the workpiece (9) placed on the workbench. 5. A special-shaped curved surface sander with a pressure-sensing wheel according to claim 1, characterized in that: the movement direction of the abrasive belt (4) is perpendicular to the movement direction of the workpiece (9). 6. A special-shaped curved surface sander with a pressure-sensing wheel according to claim 1, characterized in that: the shape of the pressure-sensing wheel (8) and the sanding roller (7) is the same as that of the workpiece (9) to be sanded The shape of the glossy surface matches. 7. A special-shaped curved surface sander with pressure-sensitive wheels according to claim 1, characterized in that: the model of the main controller is mk60f512, the model of the AD conversion module is HX711, and the model of the AD conversion The module is connected with the main controller through the 485 bus.