Plate polishing and sanding machine for furniture production

Abstract

The utility model discloses a plate polishing and sanding machine for furniture production, which comprises a bottom support plate and a pressure adjusting mechanism, a polishing component is mounted on the bottom support plate, and the pressure adjusting mechanism is mounted on the bottom support plate. The pressure adjusting mechanism is used for adjusting the pressure between an abrasive belt in the grinding assembly and a plate, and relates to the technical field of furniture production, the pressure adjusting mechanism is arranged, two second adjusting push rods contract to drive downward pressing wheels to descend, and therefore the portion, between the two downward pressing wheels, of the abrasive belt is lower than the top of the plate; a first adjusting push rod extends to drive an upper jacking wheel to ascend, so that the abrasive belt is tightened, and the pressure of the abrasive belt on the plate can be adjusted; and by arranging the plate supporting assembly, the two clamping plates are driven to get close to each other by rotating the lead screw, and therefore the plate can be clamped conveniently and rapidly.

Description

Technical Field

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

[0002] Woodworking sanding machine is a woodworking machine tool that uses sanding belts and sandpaper (paper) to sand the surface of workpieces. It is suitable for cleaning, deburring, and leveling and polishing large flat surfaces of machinery, building decoration, furniture painting, etc. Belt-type woodworking sanding machine is generally used to tighten the endless ring sanding belt on two pulleys to drive the sanding belt to move continuously, so as to process the board. When sanding furniture boards, it is necessary to sleeve the sanding belt on the surface of the two pulleys, and drive the sanding belt to sand the furniture boards through the pulleys. However, when sanding furniture boards, the boards need to be in contact with the surface of the sanding belt, and it is difficult to adjust the friction between the boards and the sanding belt during contact. When sanding boards with relatively rough surfaces, it takes a long time to complete the sanding of the boards, thereby reducing the processing efficiency of the device for the boards. Utility Model Content

[0003] In view of the problems existing in the existing plate grinding sanding machine for furniture production, the utility model is proposed.

[0004] Therefore, the purpose of the utility model is to provide a plate sanding machine for furniture production, which solves the problem that when grinding furniture plates, the sanding belt needs to be sleeved on the surface of two pulleys, and the sanding belt is driven by the pulleys to grind the furniture plates. However, when grinding the furniture plates, the plates need to be in contact with the surface of the sanding belt, and it is difficult to adjust the friction between the plates and the sanding belt during contact. When grinding plates with rougher surfaces, it takes a long time to complete the grinding of the plates, thereby reducing the processing efficiency of the device for the plates.

[0005] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0006] A plate sanding machine for furniture production, comprising a bottom support plate, a sanding assembly mounted on the bottom support plate, and a pressure regulating mechanism mounted on the bottom support plate;

[0007] The pressure regulating mechanism is used to regulate the pressure between the sanding belt and the plate in the sanding assembly.

[0008] As a preferred solution of a board sanding machine for furniture production described in the utility model, the grinding assembly includes two pulleys, the sanding belt is transmission-connected between the two pulleys, both ends of the two pulleys are rotationally connected to support columns through bearings, the support columns are fixedly mounted on the bottom support plate, and one end of one of the pulleys is transmission-connected to a motor.

[0009] As a preferred solution of the board sanding machine for furniture production described in the utility model, wherein: a board support assembly is fixedly installed on the bottom support plate;

[0010] The plate support assembly includes a support rod welded to a bottom support plate, a placement plate is connected to the top of the support rod, a support block is welded to the top of the placement plate, the support block is rotatably connected to a screw rod through a bearing, a clamping plate is threadedly connected to the screw rod, and the two screw rods are connected through a conveyor belt group.

[0011] As a preferred solution of the board sanding machine for furniture production described in the utility model, the conveyor belt group includes a first synchronous wheel and a second synchronous wheel respectively installed on two screw rods, and the first synchronous wheel and the second synchronous wheel are connected by a synchronous belt transmission.

[0012] As a preferred solution of the board sanding machine for furniture production described in the utility model, a placement groove is provided on the top of the placement plate, an installation groove is provided on the bottom wall of the placement groove, and a pressure sensor is installed in the installation groove.

[0013] As a preferred solution of the board sanding machine for furniture production described in the utility model, the pressure adjustment mechanism includes an upper adjustment component and a lower pressure adjustment component;

[0014] The upper top adjustment assembly includes an upper top wheel, the upper top wheel is rotatably connected to the first bracket through a bearing, the bottom end of the first bracket is connected to a first adjustment push rod, and the first adjustment push rod is mounted on the bottom support plate;

[0015] The downward pressure adjustment assembly includes a downward pressure wheel, which is rotatably connected to a second bracket via a bearing, and a second adjustment push rod is connected to the bottom end of the second bracket, and the second adjustment push rod is installed on the bottom support plate.

[0016] Compared with existing technologies:

[0017] By setting a pressure adjustment mechanism, the two second adjustment push rods are contracted to drive the lower pressure wheel to descend, so that the sand belt portion between the two lower pressure wheels is lower than the top of the plate, and then the first adjustment push rod is extended to drive the upper top wheel to rise, so that the sand belt is tightened, so that the pressure of the sand belt on the plate can be adjusted;

[0018] By setting up a plate support assembly and rotating the screw rod to drive the two clamping plates closer to each other, the plate can be clamped conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the structure provided by the utility model;

[0020] Figure 2 A top view of the plate support assembly provided by the utility model;

[0021] Figure 3 The utility model provides Figure 1 Enlarged view of point A in the middle;

[0022] Figure 4 This is a schematic diagram of the fifth support connecting seat provided by the utility model.

[0023] In the figure: bottom support plate 1, pulley 2, support column 3, sanding belt 4, placement plate 5, fifth support connecting seat 52, placement slot 53, installation slot 54, pressure sensor 55, plate 6, upper top wheel 7, first bracket 8, first adjusting push rod 9, first support connecting seat 91, second support connecting seat 92, lower pressure wheel 10, second bracket 11, second adjusting push rod 12, third support connecting seat 121, fourth support connecting seat 122, screw 13, turntable 131, clamping plate 14, support block 15, synchronous belt 16. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clear, the implementation methods of the present invention will be further described in detail below with reference to the accompanying drawings.

[0025] The utility model provides a sanding machine for grinding boards used in furniture production. Figure 1-4 , including a bottom support plate 1, a grinding assembly is installed on the bottom support plate 1, and also includes a pressure regulating mechanism installed on the bottom support plate 1;

[0026] The pressure regulating mechanism is used to regulate the pressure between the sanding belt 4 and the plate 6 in the sanding assembly.

[0027] The pressure regulating mechanism includes an upper pressure regulating component and a lower pressure regulating component; the upper pressure regulating component includes an upper top wheel 7, which is rotatably connected to the first bracket 8 through a bearing, and the bottom end of the first bracket 8 is connected to a first regulating push rod 9. Specifically, a first support connecting seat 91 is welded to the bottom end of the first bracket 8, and the first regulating push rod 9 is inserted into the inner wall of the first support connecting seat 91 and fixed to the first regulating push rod 9 by bolts. The first regulating push rod 9 is installed on the bottom support plate 1, and a second support connecting seat 92 is welded to the top end of the bottom support plate 1, and the first regulating push rod 9 is inserted into the inner wall of the second support connecting seat 92 and fixed to the first regulating push rod 9 by bolts. Fixed; the downward pressure adjustment assembly includes a lower pressure wheel 10, which is rotatably connected to the second bracket 11 through a bearing, and the bottom end of the second bracket 11 is connected to the second adjustment push rod 12. Specifically, a third support connecting seat 121 is installed at the bottom end of the second bracket 11, and the second adjustment push rod 12 is inserted into the inner wall of the third support connecting seat 121 and is fixed to the second adjustment push rod 12 by bolts. The second adjustment push rod 12 is installed on the bottom support plate 1, and a fourth support connecting seat 122 is welded on the bottom support plate 1. The bottom end of the second adjustment push rod 12 is inserted into the fourth support connecting seat 122 and is fixed to the fourth support connecting seat 122 by bolts.

[0028] The two second adjusting push rods 12 contract and drive the lower pressure wheel 10 to descend, so that the part of the sanding belt 4 between the two lower pressure wheels 10 is lower than the top of the plate 6, and then the first adjusting push rod 9 is extended to drive the upper top wheel 7 to rise, so that the sanding belt 4 is tightened.

[0029] The grinding assembly includes two pulleys 2, and the two pulleys 2 are connected to the sanding belt 4 by transmission. Both ends of the two pulleys 2 are rotatably connected to the support column 3 through bearings. The support column 3 is fixedly installed on the bottom support plate 1. One end of one of the pulleys 2 is connected to the motor (not shown in the figure). Two pulleys are respectively installed on the output shaft of the motor and one end of the pulley 2. The two pulleys are connected by belt transmission, and the motor is used to drive the sanding belt 4 to rotate.

[0030] A plate support assembly is fixedly installed on the bottom support plate 1; the plate support assembly includes a support rod welded on the bottom support plate 1, and the top end of the support rod is connected to a placement plate 5. Specifically, a fifth support connecting seat 52 is welded at the bottom end of the placement plate 5, and the inner wall of the fifth support connecting seat 52 is inserted into the support rod and fixed to the support rod by bolts. A support block 15 is welded at the top of the placement plate 5, and the support block 15 is rotatably connected to a screw rod 13 through a bearing, and a clamping plate 14 is threadedly connected to the screw rod 13, and the two screw rods 13 are connected by a transmission belt group. Specifically, the conveyor belt group includes a first synchronous wheel and a second synchronous wheel respectively installed on the two screw rods 13, and the first synchronous wheel and the second synchronous wheel are connected by a synchronous belt 16. A turntable 131 is welded at one end of the front end screw rod 13, and the threads at both ends of the screw rod 13 are in opposite directions. Therefore, when the screw rod is driven to rotate, the two clamping plates 14 can approach each other to clamp the plate 6, so that the plate remains stable.

[0031] A placement groove 53 is provided at the top of the placement plate 5, and an installation groove 54 is provided on the bottom wall of the placement groove 53. A pressure sensor 55 is installed in the installation groove 54. The pressure of the plate 6 on the pressure sensor 55 can be monitored by the pressure sensor 55. The pressure is composed of the gravity of the plate and the extrusion pressure of the sanding belt 4. Therefore, the plate 6 is placed in the placement groove 53, and the gravity G of the plate 6 is obtained first. If the pressure of the sanding belt 4 on the plate 6 needs to be set to M, the pressure applied by the sanding belt 4 to the plate 6 is adjusted by the pressure regulating mechanism until the pressure value of the pressure sensor 55 is G+M.

[0032] During specific use, the plate 6 is placed in the placement groove 53, and the two second adjusting push rods 12 are contracted to drive the lower pressure wheel 10 to descend, so that the part of the sanding belt 4 between the two lower pressure wheels 10 is lower than the top of the plate 6, and then the first adjusting push rod 9 is extended to drive the upper top wheel 7 to rise, so that the sanding belt 4 is tightened; the motor is started to drive the pulley 2 to rotate, so that the sanding belt 4 starts to run to grind the plate 6.

[0033] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A board sanding machine for furniture production, comprising a bottom support plate (1), on which a sanding assembly is mounted, characterized in that: It also includes a pressure regulating mechanism mounted on the bottom support plate (1); The pressure regulating mechanism is used to regulate the pressure between the sanding belt (4) and the plate (6) in the sanding assembly; The pressure regulating mechanism comprises an upper pressure regulating component and a lower pressure regulating component; The upper top adjustment assembly comprises an upper top wheel (7), the upper top wheel (7) is rotatably connected to a first bracket (8) via a bearing, the bottom end of the first bracket (8) is connected to a first adjustment push rod (9), and the first adjustment push rod (9) is mounted on the bottom support plate (1); The downward pressure adjustment assembly comprises a lower pressure wheel (10), wherein the lower pressure wheel (10) is rotatably connected to a second bracket (11) via a bearing, and the bottom end of the second bracket (11) is connected to a second adjustment push rod (12), and the second adjustment push rod (12) is mounted on the bottom support plate (1).

2. A board sanding machine for furniture production according to claim 1, characterized in that: The grinding assembly comprises two pulleys (2), the sanding belt (4) being transmission-connected between the two pulleys (2), both ends of the two pulleys (2) being rotationally connected to a support column (3) via bearings, the support column (3) being fixedly mounted on a bottom support plate (1), and one end of one of the pulleys (2) being transmission-connected to a motor.

3. A board sanding machine for furniture production according to claim 1, characterized in that: A plate support assembly is fixedly mounted on the bottom support plate (1); The plate support assembly comprises a support rod welded to a bottom support plate (1); the top end of the support rod is connected to a placement plate (5); the top end of the placement plate (5) is welded to a support block (15); the support block (15) is rotatably connected to a screw rod (13) via a bearing; a clamping plate (14) is threadedly connected to the screw rod (13); and the two screw rods (13) are connected in transmission via a conveyor belt assembly.

4. A board sanding machine for furniture production according to claim 3, characterized in that: The conveyor belt assembly comprises a first synchronous wheel and a second synchronous wheel respectively mounted on two screw rods (13), and the first synchronous wheel and the second synchronous wheel are connected in transmission via a synchronous belt (16).

5. A board sanding machine for furniture production according to claim 3 or 4, characterized in that: A placement groove (53) is provided at the top of the placement plate (5), a mounting groove (54) is provided on the bottom wall of the placement groove (53), and a pressure sensor (55) is installed in the mounting groove (54).

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