Woodworking double-sided table type sanding machine

Abstract

The utility model relates to the technical field of table type sanding machines, in particular to a woodworking double-face table type sanding machine which comprises a table surface, a base is installed at one end of the top of the table surface, a motor is installed at the top of the base, a first rotating shaft is installed at one end of the motor, and a driving wheel is installed on the outer ring face of the first rotating shaft in a sleeved mode. According to the woodworking double-face table type sanding machine, the electric push rod is used for pushing the supporting base to move, the distance between the first polishing disc and the second polishing disc can be adjusted within a certain range according to the thickness of a plate, and therefore the woodworking double-face table type sanding machine is matched with plates of different thickness sizes for use; and meanwhile, the motor rotates to drive the first grinding disc and the second grinding disc to rotate at the same time, the two grinding faces of the plate are placed between the first grinding disc and the second grinding disc, the two faces of the plate can be ground at the same time, and the grinding efficiency of the plate is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of table sanding machines, in particular to a double-sided table sanding machine for woodworking. Background Art

[0002] A bench sander is a woodworking machine tool, which is mainly used for sanding the surface of workpieces to achieve the purpose of smoothing, deburring, cleaning, etc. A bench sander is usually composed of a base, a sanding belt, a motor or other power source, a bracket, a guard and a water feeder. According to the processing needs, different sanding belts and processing methods can be selected to achieve different sanding effects.

[0003] Generally speaking, a sander can only sand one surface of a wooden board at a time and cannot sand the symmetrical surfaces of the wooden board at the same time, resulting in low sanding efficiency.

[0004] In summary, the utility model solves the existing problems by designing a double-sided table sanding machine for woodworking. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a double-sided table sanding machine for woodworking, which has the advantages of being able to adjust the distance between the two grinding surfaces of the sanding machine according to the thickness of different boards, and being able to grind both sides of the board at the same time.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A double-sided table sanding machine for woodworking, comprising a table, a base is installed at one end of the top of the table, a motor is installed at the top of the base, a first rotating shaft is installed at one end of the motor, a driving wheel is sleeved and installed on the outer ring surface of the first rotating shaft, a first belt is sleeved on the driving wheel, a first grinding disc is installed at one end of the first rotating shaft, a bearing seat is installed at one end of the inner bottom of the table, a connecting shaft is installed in the shaft hole of the bearing seat, a third driven wheel is installed at one end of the connecting shaft, and a hexagonal transmission shaft is connected to the other end of the connecting shaft;

[0008] A fixing seat is installed at one end of the top of the table away from the base, an electric push rod is installed at one end of the fixing seat, a supporting seat is installed at one end of the electric push rod, a through hole is opened at the bottom of the outer side surface of the supporting seat, baffles are symmetrically installed at the bottom positions of the two side surfaces of the supporting seat, a second rotating shaft is installed at the top of the side surface of the supporting seat close to the first grinding disc, a second grinding disc is installed at one end of the second rotating shaft, a first driven wheel is installed at the other end of the second rotating shaft, a second belt is sleeved on the first driven wheel, a bearing sleeve is sleeved on the end of the outer ring surface of the second rotating shaft close to the first driven wheel, a second driven wheel is installed at the bottom of the inner side of the supporting seat, and a hexagonal groove is opened between the two side surfaces of the second driven wheel.

[0009] As a preferred solution of the utility model, a rectangular hole is opened at one end of the top of the table near the base, and the first belt on the driving wheel passes through the rectangular hole and is connected to the third driven wheel, and the third driven wheel is fixedly installed on the connecting shaft.

[0010] As a preferred solution of the utility model, sandpaper is installed on the corresponding side surfaces of the first grinding disc and the second grinding disc, and the size specifications and orientation heights of the first grinding disc and the second grinding disc correspond to each other.

[0011] As a preferred solution of the utility model, a sliding groove is opened at one end of the top of the table top close to the fixed seat, and the bottom of the support seat is located at the part pressed down by the baffle and extends through the inner side of the sliding groove to the inside of the table top, the two side surfaces of the support seat are just in contact with the inner side of the sliding groove, and the baffle rests on the top of the table top.

[0012] As a preferred solution of the utility model, the bearing sleeve is installed at the connection between the second rotating shaft and the support seat, and one end of the second rotating shaft extends to one end inside the support seat and is rotatable, the first driven wheel and the second rotating shaft are fixedly installed, and one end of the second belt on the first driven wheel is vertically downwardly sleeved on the second driven wheel inside the support seat.

[0013] As a preferred solution of the utility model, one end of the hexagonal transmission shaft passes through the through hole on the support seat and through the hexagonal grooves on both side surfaces of the second driven wheel, and the hexagonal transmission shaft does not touch the through hole, the hexagonal transmission shaft can slide inside the hexagonal groove, and the hexagonal transmission shaft will not fall off the hexagonal groove when the electric push rod is shortened to the shortest distance, and the size of the second driven wheel is larger than the size of the through hole.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, a double-sided table sanding machine for woodworking is designed, and an electric push rod is used to push the support seat to move, so that the distance between the first grinding disc and the second grinding disc can be adjusted within a certain range according to the thickness of the plate, so as to match the plates of different thicknesses. At the same time, when the motor rotates, the first grinding disc and the second grinding disc can be driven to rotate at the same time. The two grinding surfaces of the plate are placed between the first grinding disc and the second grinding disc, and both sides of the plate can be polished at the same time, which effectively improves the grinding efficiency of the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the tabletop of the utility model;

[0018] Figure 3 It is a schematic diagram of the exploded structure of the support seat of the utility model.

[0019] In the figure: 1, table; 2, base; 3, motor; 4, first rotating shaft; 5, driving wheel; 6, first belt; 7, first grinding disc; 8, fixed seat; 9, electric push rod; 10, support seat; 1010, through hole; 11, second rotating shaft; 12, second grinding disc; 13, bearing sleeve; 14, first driven wheel; 15, second belt; 16, baffle; 17, second driven wheel; 171, hexagonal groove; 18, bearing seat; 19, connecting shaft; 20, third driven wheel; 21, hexagonal transmission shaft. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0024] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0025] A double-sided table sanding machine for woodworking, comprising a table top 1, a base 2 is installed at one end of the top of the table top 1, a motor 3 is installed on the top of the base 2, a first rotating shaft 4 is installed at one end of the motor 3, a driving wheel 5 is sleeved and installed on the outer ring surface of the first rotating shaft 4, a first belt 6 is sleeved on the driving wheel 5, a first grinding disc 7 is installed at one end of the first rotating shaft 4, a bearing seat 18 is installed at one end of the inner bottom of the table top 1, a connecting shaft 19 is installed in the shaft hole of the bearing seat 18, a third driven wheel 20 is installed at one end of the connecting shaft 19, and a hexagonal transmission shaft 21 is connected to the other end of the connecting shaft 19;

[0026] A fixing seat 8 is installed at one end of the top of the table top 1 away from the base 2, an electric push rod 9 is installed at one end of the fixing seat 8, a support seat 10 is installed at one end of the electric push rod 9, a through hole 1010 is opened at the bottom of the outer side surface of the support seat 10, baffles 16 are symmetrically installed at the bottom positions of the two side surfaces of the support seat 10, a second rotating shaft 11 is installed at the top of the side surface of the support seat 10 close to the first grinding disc 7, a second grinding disc 12 is installed at one end of the second rotating shaft 11, a first driven wheel 14 is installed at the other end of the second rotating shaft 11, a second belt 15 is sleeved on the first driven wheel 14, a bearing sleeve 13 is sleeved on the end of the outer annular surface of the second rotating shaft 11 close to the first driven wheel 14, a second driven wheel 17 is installed at the bottom of the inner side of the support seat 10, and a hexagonal groove 171 is opened between the two side surfaces of the second driven wheel 17.

[0027] For example, please refer to Figure 1 , Figure 2 and Figure 3 A rectangular hole is provided at one end of the top of the table top 1 close to the base 2, and the first belt 6 on the driving wheel 5 passes through the rectangular hole and is sleeved on the third driven wheel 20. The third driven wheel 20 is fixedly installed on the connecting shaft 19. When the motor 3 drives the first rotating shaft 4 to rotate, the driving wheel 5 will rotate synchronously and drive the third driven wheel 20 to rotate through the first belt 6. At this time, the third driven wheel 20 drives the connecting shaft 19 to rotate on the bearing seat 18. The bearing sleeve 13 is installed on the connecting shaft 11 and the support seat 10. The first driven wheel 14 and the second rotating shaft 11 are fixedly installed, and one end of the second belt 15 on the first driven wheel 14 is vertically downwardly sleeved on the second driven wheel 17 inside the support seat 10. When the second driven wheel 17 rotates, the first driven wheel 14 can be driven to rotate by the second belt 15, and the first driven wheel 14 can drive the second rotating shaft 11 to rotate after the rotation, thereby realizing the rotation of the second grinding disc 12.

[0028] For example, please refer to Figure 1 , Figure 2 and Figure 3, sandpaper is installed on the corresponding side surface of the first sanding disc 7 and the second sanding disc 12, and the size specifications and azimuth height of the first sanding disc 7 and the second sanding disc 12 correspond to each other, and when the second sanding disc 12 moves toward the direction of the first sanding disc 7, the sandpaper on the second sanding disc 12 can completely overlap with the sandpaper on the first sanding disc 7;

[0029] A slide groove is provided at one end of the top of the table 1 near the fixed seat 8, and the bottom of the support seat 10 is located at the part where the baffle 16 presses down and extends through the inner side of the slide groove to the inside of the table 1. The two side surfaces of the support seat 10 just fit the inner side of the slide groove, and the baffle 16 rests on the top of the table 1. Two buttons for controlling the electric push rod 9 are provided at the top corner of the table 1. After the electric push rod 9 is activated by the button, it can push the support seat 10 to slide back and forth on the inner side of the slide groove. One end of the hexagonal transmission shaft 21 passes through the through hole 1010 on the support seat 10 and passes through the hexagonal grooves 171 on the two side surfaces of the second driven wheel 17, and the hexagonal transmission shaft 21 does not touch the through hole 1010. The hexagonal transmission shaft 21 can slide inside the hexagonal groove 171, and when the electric push rod 9 is shortened to the shortest distance, the hexagonal transmission shaft 21 will not The second driven wheel 17 falls off from the hexagonal groove 171, and the size of the second driven wheel 17 is larger than the size of the through hole 1010. When the connecting shaft 19 rotates, the hexagonal transmission shaft 21 will be driven to rotate, and the hexagonal transmission shaft 21 will drive the second driven wheel 17 to rotate, and when the motor 3 is stationary, the support seat 10 is pushed to move by the electric push rod 9. At this time, the second driven wheel 17 will slide on the hexagonal transmission shaft 21 to adjust the spacing between the first grinding disc 7 and the second grinding disc 12 to match different plate thicknesses.

[0030] Working process of the utility model: using a double-sided table sanding machine for woodworking designed in this scheme, when it is necessary to sand the wooden board during the woodworking construction process, first, according to the thickness of the board, and when the motor 3 is stationary, the support seat 10 is pushed to move by the electric push rod 9, at this time, the second driven wheel 17 will slide on the hexagonal transmission shaft 21 to adjust the spacing between the first sanding disc 7 and the second sanding disc 12 to match the different thickness of the board. After the spacing between the first sanding disc 7 and the second sanding disc 12 is adjusted, the sanding surface of the board is placed on the inner sanding surface of the first sanding disc 7 and the second sanding disc 12, and then the motor 3 is started, and the motor 3 drives the first rotating shaft 4 During rotation, the driving wheel 5 will rotate synchronously, and drive the third driven wheel 20 to rotate through the first belt 6. At this time, the third driven wheel 20 drives the connecting shaft 19 to rotate on the bearing seat 18. When the connecting shaft 19 rotates, it will drive the hexagonal transmission shaft 21 to rotate, and the hexagonal transmission shaft 21 will drive the second driven wheel 17 to rotate. When the second driven wheel 17 rotates, the first driven wheel 14 can be driven to rotate through the second belt 15. After the first driven wheel 14 rotates, it can drive the second rotating shaft 11 to rotate, thereby realizing the rotation of the second grinding disc 12. At this time, the first grinding disc 7 and the second grinding disc 12 grind both sides of the plate at the same time, which greatly improves the grinding efficiency of the plate.

[0031] In summary, the device is configured to adjust the distance between the two grinding surfaces of the sander according to the thickness of different boards, and can grind both sides of the board at the same time, effectively improving the grinding efficiency of the carpenter.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-sided table sanding machine for woodworking, comprising a table top (1), characterized in that: A base (2) is installed at one end of the top of the table (1), a motor (3) is installed at the top of the base (2), a first rotating shaft (4) is installed at one end of the motor (3), a driving wheel (5) is sleeved on the outer ring surface of the first rotating shaft (4), a first belt (6) is sleeved on the driving wheel (5), a first grinding disc (7) is installed at one end of the first rotating shaft (4), a bearing seat (18) is installed at one end of the inner bottom of the table (1), a connecting shaft (19) is installed in the axial hole of the bearing seat (18), a third driven wheel (20) is installed at one end of the connecting shaft (19), and the other end of the connecting shaft (19) is connected to a hexagonal transmission shaft (21); A fixing seat (8) is installed at one end of the top of the table (1) away from the base (2), an electric push rod (9) is installed at one end of the fixing seat (8), a support seat (10) is installed at one end of the electric push rod (9), a through hole (1010) is opened at the bottom of the outer side surface of the support seat (10), baffles (16) are symmetrically installed at the bottom positions of the two side surfaces of the support seat (10), and a second rotating shaft (11) is installed at the top of one side surface of the support seat (10) close to the first grinding disc (7). A second grinding disc (12) is mounted on one end of the second rotating shaft (11), a first driven wheel (14) is mounted on the other end of the second rotating shaft (11), a second belt (15) is sleeved on the first driven wheel (14), a bearing sleeve (13) is sleeved on one end of the outer ring surface of the second rotating shaft (11) close to the first driven wheel (14), a second driven wheel (17) is mounted on the inner bottom of the support seat (10), and a hexagonal groove (171) is provided between two side surfaces of the second driven wheel (17).

2. A double-sided table sanding machine for woodworking according to claim 1, characterized in that: A rectangular hole is provided at one end of the top of the tabletop (1) close to the base (2), and the first belt (6) on the driving wheel (5) passes through the rectangular hole and is sleeved on the third driven wheel (20), and the third driven wheel (20) is fixedly installed on the connecting shaft (19).

3. A double-sided table sanding machine for woodworking according to claim 1, characterized in that: Grinding sandpaper is installed on the corresponding side surfaces of the first grinding disc (7) and the second grinding disc (12), and the size specifications and orientation heights of the first grinding disc (7) and the second grinding disc (12) correspond to each other.

4. A double-sided table sanding machine for woodworking according to claim 1, characterized in that: A slide groove is provided at one end of the top of the table top (1) close to the fixed seat (8), and the bottom of the support seat (10) is located at the part pressed down by the baffle (16) and extends through the inner side of the slide groove to the inside of the table top (1), and the two side surfaces of the support seat (10) are exactly in contact with the inner side of the slide groove, and the baffle (16) rests on the top of the table top (1).

5. A double-sided table sanding machine for woodworking according to claim 1, characterized in that: The bearing sleeve (13) is installed at the connection between the second rotating shaft (11) and the support seat (10), and one end of the second rotating shaft (11) extends to one end inside the support seat (10) and is rotatable. The first driven wheel (14) and the second rotating shaft (11) are fixedly installed, and one end of the second belt (15) on the first driven wheel (14) is vertically downwardly sleeved on the second driven wheel (17) inside the support seat (10).

6. A double-sided table sanding machine for woodworking according to claim 1, characterized in that: One end of the hexagonal transmission shaft (21) passes through a through hole (1010) on the support seat (10) and through hexagonal grooves (171) on both side surfaces of the second driven wheel (17), and the hexagonal transmission shaft (21) does not come into contact with the through hole (1010). The hexagonal transmission shaft (21) can slide inside the hexagonal groove (171), and the hexagonal transmission shaft (21) will not fall off the hexagonal groove (171) when the electric push rod (9) is shortened to the shortest distance. The size of the second driven wheel (17) is larger than the size of the through hole (1010).

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