Positioning device for wood processing

Abstract

The utility model discloses a positioning device for wood processing, which belongs to the technical field of wood processing and comprises a processing table, sliding grooves are arranged on two sides of the processing table, supporting plates are symmetrically and slidably connected to two sides of the processing table, and positioning plates are symmetrically and slidably arranged at the top of the processing table. The positioning mechanism and the auxiliary mechanism are arranged, two positioning plates at the top can be driven to be completely attached to the two sides of wood through operation of the positioning mechanism, the wood is positioned, the wood is stabilized on the top face of the machining table, firm clamping and high-precision positioning of the wood with different widths are achieved, the machining precision is effectively improved, and the machining efficiency is improved. And then the auxiliary mechanism operates to abut against and clamp the top face of the wood, the wood can be effectively prevented from shaking or tilting in the machining process, the wood positioning device is particularly suitable for wood which is large in thickness, soft in texture or large in machining vibration, and the wood positioning stability and machining precision are further improved.

Description

Technical Field

[0001] This utility model specifically relates to a positioning device for wood processing, belonging to the field of wood processing technology. Background Technology

[0002] As an important part of the national economy, the timber processing industry is widely used in construction, furniture manufacturing, decoration and renovation, and many other fields. With the continuous growth of social demand for timber products and people's increasing requirements for product quality, timber processing technology is also constantly innovating and developing. From log cutting to board forming, from carving and polishing to surface treatment, every processing link requires precise operation and control to ensure that the quality and performance of the final product meet the standards and satisfy market demands.

[0003] A positioning device for a grinding machine used in wood processing, as disclosed in an existing Chinese patent (authorization announcement number: CN220881939U), relates to the field of wood processing technology. It includes a main body with a base at its front end. A controller is fixedly installed on the right side of the front end of the main body. A positioning mechanism is installed inside the base, and a fixing mechanism is installed at the upper end of the positioning mechanism. A support block is fixedly installed at the middle of the upper end of the base. In use, the controller activates the electric telescopic rods, causing the output ends of two sets of electric telescopic rods to extend forward. This simultaneously pushes two sets of fixed frames and other components towards the support block. As the fixed frames move, they drive a slider on a sliding rod, ensuring smooth movement. The slider, in turn, drives a limiting block to move synchronously within a limiting groove, improving the stability of the fixed frame movement. Once the fixed frame is in the correct position, the electric telescopic rods can be closed, thus completing the fixed frame positioning and facilitating subsequent fixing of the wood.

[0004] In the aforementioned patent documents, the wood can be easily fixed by positioning the fixed frame. However, the positioning device only clamps and positions the wood from the side. For some softer wood or wood that vibrates a lot during processing, the side clamping cannot provide sufficient stability. The top surface of the wood is prone to shaking or warping, which will not only reduce the processing accuracy but may also cause safety hazards. Therefore, this application provides a positioning device for wood processing. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a positioning device for wood processing, so as to achieve the purpose of omnidirectional positioning of wood.

[0006] To further achieve the above objectives, the following technical solution is adopted:

[0007] A positioning device for wood processing includes a processing table, with sliding grooves on both sides of the processing table, support plates symmetrically slidably connected to both sides of the processing table, positioning plates symmetrically slidably disposed on the top of the processing table, both ends of the two positioning plates being fixedly connected to the support plates, adjustment grooves on the top of the positioning plates, a positioning mechanism installed inside the processing table, an auxiliary mechanism installed on the top of the positioning plates, and a support mechanism installed at the bottom of the processing table.

[0008] Preferably, the positioning mechanism includes a bidirectional lead screw that is rotatably connected inside the processing table. A motor is fixedly connected to one side of the processing table. The output end of the motor is fixedly connected to one end of the bidirectional lead screw. Moving blocks are symmetrically threaded onto the outer wall of the bidirectional lead screw. Connecting plates are fixedly connected to both ends of the two moving blocks. One end of each of the two connecting plates is fixedly connected to one side of a support plate. The two connecting plates are slidably connected inside the slide groove.

[0009] Preferably, a guide rod is fixedly connected inside the processing table, and the ends of the two moving blocks away from the bidirectional lead screw are slidably connected to the guide rod.

[0010] Preferably, the auxiliary mechanism includes an L-shaped plate slidably connected to the top of the positioning plate, guide blocks symmetrically fixedly connected to the top of the L-shaped plate, and pressing blocks slidably connected within the two guide blocks. The top surface of the pressing blocks is inclined. An electric telescopic rod is fixedly connected to one side of the L-shaped plate, and the output end of the electric telescopic rod is fixedly connected to one end of the pressing block. A U-shaped block is fixedly connected to the top of the L-shaped plate, and a rotating shaft is rotatably connected inside the U-shaped block. An abutment plate is fixedly connected to the outer wall of the rotating shaft, and an abutment block is fixedly connected to one end of the abutment plate. A through hole is opened at the end of the abutment plate away from the abutment block, and a connecting shaft is fixedly connected through the through hole. A roller is rotatably connected to the outer wall of the connecting shaft, and the roller can fit against the inclined surface of the pressing block.

[0011] Preferably, the top surface of the L-shaped plate is symmetrically fixedly connected to a fixing plate, the opposite surfaces of the two fixing plates are fixedly connected to a fixing rod, one end of each of the two fixing rods is fixedly connected to a tension spring, the end of the tension spring away from the fixing rod is fixedly connected to one end of the connecting shaft, and one end of the abutment block is fixedly connected to an anti-slip pad.

[0012] Preferably, a magnetic block is fixedly connected to the bottom of the L-shaped plate, the magnetic block is slidably connected inside the adjustment groove, and iron sheets are fixedly connected to both sides inside the adjustment groove, and the magnetic block can be magnetically connected to the iron sheets.

[0013] Preferably, the support mechanism includes multiple support columns fixedly connected to the bottom of the processing table, each of the multiple support columns having a sliding column slidably connected to its outer wall, and each of the multiple support columns having a spring sleeved on its outer wall, with both ends of the multiple springs fixedly connected to the top of the sliding column and the bottom of the processing table, respectively.

[0014] Preferably, each of the plurality of sliding columns has a damping block fixedly connected inside, and the bottom end of the plurality of support columns is fixedly connected to the top of the damping block.

[0015] Beneficial effects:

[0016] 1. This application includes a positioning mechanism and an auxiliary mechanism. The positioning mechanism can drive the two positioning plates at the top to fully fit against the sides of the wood to position the wood and stabilize it on the top surface of the processing table. This achieves firm clamping and high-precision positioning of wood of different widths, effectively improving processing accuracy. Subsequently, the auxiliary mechanism can clamp the top surface of the wood to prevent it from shaking or warping during processing. This is especially suitable for wood that is thick, soft, or subject to significant processing vibration, further improving the stability of wood positioning and processing accuracy.

[0017] 2. This application includes a support mechanism. During processing, the wood may be cut or drilled, which will generate a large impact force. Therefore, when the wood is subjected to impact force while being processed on the surface of the processing table, the support structure at the bottom can effectively support the processing table and absorb and offset the impact force, thereby protecting the wood processing equipment, extending its service life, and ensuring the stability of the wood positioning to avoid displacement caused by impact force. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a top view of the positioning mechanism in this utility model;

[0020] Figure 3 This is a three-dimensional structural diagram of the positioning mechanism in this utility model;

[0021] Figure 4 This is a three-dimensional structural diagram of the auxiliary mechanism in this utility model;

[0022] Figure 5 This is a three-dimensional structural diagram of the support mechanism in this utility model.

[0023] In the diagram: 1. Processing table; 2. Slide groove; 3. Support plate; 4. Positioning plate; 5. Adjustment groove; 6. Two-way lead screw; 7. Motor; 8. Moving block; 9. Connecting plate; 10. Guide rod; 11. L-shaped plate; 12. Guide block; 13. Extrusion block; 14. Electric telescopic rod; 15. U-shaped block; 16. Rotating shaft; 17. Contact plate; 18. Contact block; 19. Connecting shaft; 20. Roller; 21. Fixing plate; 22. Fixing rod; 23. Tension spring; 24. Anti-slip pad; 25. Magnetic block; 26. Support column; 27. Sliding column; 28. Spring; 29. ​​Damping block; 30. Iron sheet. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-5 As shown, a positioning device for wood processing includes a processing table 1, with sliding grooves 2 on both sides of the processing table 1, and support plates 3 symmetrically slidably connected to both sides of the processing table 1. Positioning plates 4 are symmetrically slidably arranged on the top of the processing table 1, with both ends of the two positioning plates 4 fixedly connected to the support plates 3. An adjustment groove 5 is provided on the top of the positioning plates 4. A positioning mechanism is installed inside the processing table 1, an auxiliary mechanism is installed on the top of the positioning plates 4, and a support mechanism is installed at the bottom of the processing table 1.

[0026] In use, the wood to be processed is first placed on the surface of the processing table 1. Then, the positioning mechanism can be activated to move the support plates 3 on both sides of the processing table 1 closer together. At this time, guided by the two support plates 3 and the slide 2, the two positioning plates 4 on the top can be moved closer together until they are completely in contact with the sides of the wood. Then, the positioning mechanism stops operating. In this way, the two positioning plates 4 are used to position the wood and stabilize it on the top surface of the processing table 1. This achieves firm clamping and high-precision positioning of wood of different widths, effectively improving processing accuracy, reducing product size deviation, and improving wood processing quality. Then, according to the size and width of the wood, the auxiliary mechanism can be pulled to move on the top of the positioning plate 4 according to the guidance of the adjustment groove 5 until it moves above the wood. Then, the auxiliary mechanism is activated. The auxiliary mechanism can clamp the top surface of the wood, which can effectively prevent the wood from shaking or warping during processing. It is especially suitable for wood with large thickness, soft material, or large processing vibration, further improving the stability of wood positioning and processing accuracy.

[0027] During processing, the wood may be cut or drilled, which can generate significant impact. Therefore, when the wood is subjected to impact while being processed on the surface of the processing table 1, the bottom support structure can effectively support the processing table 1 and absorb and offset the impact, thereby protecting the wood processing equipment, extending its service life, and ensuring the stability of the wood positioning to prevent displacement caused by impact.

[0028] Reference Figure 1 , Figure 2 and Figure 3 The positioning mechanism includes a bidirectional lead screw 6 that is rotatably connected inside the processing table 1. A motor 7 is fixedly connected to one side of the processing table 1. The output end of the motor 7 is fixedly connected to one end of the bidirectional lead screw 6. Moving blocks 8 are symmetrically threaded on the outer wall of the bidirectional lead screw 6. Connecting plates 9 are fixedly connected to both ends of the two moving blocks 8. One end of each of the two connecting plates 9 is fixedly connected to one side of the support plate 3. The two connecting plates 9 are slidably connected inside the slide groove 2. A guide rod 10 is fixedly connected inside the processing table 1. The ends of the two moving blocks 8 away from the bidirectional lead screw 6 are slidably connected to the guide rod 10.

[0029] In operation, the motor 7 is first started to drive the bidirectional lead screw 6 to rotate. Since the two moving blocks 8 are threadedly connected to the bidirectional lead screw 6, the two moving blocks 8 can move closer to each other on the bidirectional lead screw 6 as the bidirectional lead screw 6 rotates. Guided by the guide rod 10, the moving blocks 8 can remain stable during movement. When the two moving blocks 8 move closer to each other, they will drive the two connecting plates 9 to slide inside the slide groove 2. This will drive the support plates 3 at both ends to move together. At this time, the movement of the two support plates 3 will drive the two positioning plates 4 to move closer to each other on the top surface of the processing table 1 until they are completely in contact with both sides of the wood, and then the positioning mechanism will stop operating. In this way, the two positioning plates 4 are used to position the wood and stabilize it on the top surface of the processing table 1. This achieves firm clamping and high-precision positioning of wood of different widths, effectively improving processing accuracy, reducing product size deviation, and improving wood processing quality. At the same time, the slide groove 2 is set on both sides of the processing table 1, which can effectively prevent wood processing debris from entering the processing table 1 and affecting the operation of the equipment.

[0030] Reference Figure 1 , Figure 3 and Figure 4The auxiliary mechanism includes an L-shaped plate 11 slidably connected to the top of the positioning plate 4. Guide blocks 12 are symmetrically fixedly connected to the top of the L-shaped plate 11. Squeezing blocks 13 are slidably connected within the two guide blocks 12. The top surface of the squeezing blocks 13 is inclined. An electric telescopic rod 14 is fixedly connected to one side of the L-shaped plate 11. The output end of the electric telescopic rod 14 is fixedly connected to one end of the squeezing block 13. A U-shaped block 15 is fixedly connected to the top of the L-shaped plate 11. A rotating shaft 16 is rotatably connected inside the U-shaped block 15. An abutment plate 17 is fixedly connected to the outer wall of the rotating shaft 16. One end of the abutment plate 17 is fixedly connected to... A through hole is provided at the end of the contact block 18 and the contact plate 17 away from the contact block 18. A connecting shaft 19 is fixedly connected through the through hole. A roller 20 is rotatably connected to the outer wall of the connecting shaft 19. The roller 20 can fit against the inclined surface of the extrusion block 13. A fixing plate 21 is symmetrically fixedly connected to the top surface of the L-shaped plate 11. A fixing rod 22 is fixedly connected to the opposite surface of the two fixing plates 21. A tension spring 23 is fixedly connected to one end of the two fixing rods 22. The end of the tension spring 23 away from the fixing rod 22 is fixedly connected to one end of the connecting shaft 19. An anti-slip pad 24 is fixedly connected to one end of the contact block 18.

[0031] A magnetic block 25 is fixedly connected to the bottom of the L-shaped plate 11. The magnetic block 25 is slidably connected inside the adjustment groove 5. Iron sheets 30 are fixedly connected to both sides inside the adjustment groove 5. The magnetic block 25 can be magnetically connected to the iron sheets 30.

[0032] In use, the L-shaped plate 11 can be pulled to move on top of the positioning plate 4 according to the guidance of the adjustment groove 5 and the magnetic block 25 until the abutment block 18 is moved above the wood. At this time, the magnetic connection between the magnetic block 25 and the iron sheet 30 can fix the position of the magnetic block 25, preventing slippage during processing and affecting processing efficiency. Then, the electric telescopic rod 14 can be started to push the pressing block 13 forward with the guidance of the two guide blocks 12. Because the inclined surface of the pressing block 13 is in contact with the roller 20, the pressing block 13 will gradually press the roller 20 forward as it moves forward. This causes the abutment plate 17 to rotate around the pivot 16 through the roller 20 until the abutment block 18 at one end of the abutment plate 17 contacts the top of the wood and stops the L-shaped plate 11 from rotating. At this time, the tension spring 23 pulls the plate. The cooperation between the extension and electric telescopic rod 14 ensures that the roller 20 is always in contact with the inclined surface of the pressing block 13, thus maintaining the position of the contact plate 17 and the contact block 18 and preventing them from loosening. In this way, the contact block 18 clamps the top surface of the wood, effectively preventing the wood from shaking or warping during processing. This is especially suitable for wood that is thick, soft, or subject to large processing vibrations, further improving the stability of wood positioning and processing accuracy. In addition, the anti-slip pad 24 greatly increases the friction between the contact block 18 and the top surface of the wood, making it less likely for the wood to slide or shift when the contact block 18 clamps the wood. Even if vibration occurs during processing, the large friction between the anti-slip pad 24 and the wood can effectively maintain the stable positioning of the wood, further improving processing accuracy.

[0033] Reference Figure 1 and Figure 5 The support mechanism includes multiple support columns 26 fixedly connected to the bottom of the processing table 1. Each of the multiple support columns 26 has a sliding column 27 slidably connected to its outer wall. Each of the multiple support columns 26 has a spring 28 sleeved on its outer wall. The two ends of the multiple springs 28 are fixedly connected to the top of the sliding column 27 and the bottom of the processing table 1, respectively. Each of the multiple sliding columns 27 has a damping block 29 fixedly connected inside its interior. The bottom of the multiple support columns 26 is fixedly connected to the top of the damping block 29.

[0034] During processing, the wood may be cut or drilled, which generates significant impact. When the wood is subjected to impact on the surface of the processing table 1, the impact is transmitted through the processing table 1 to multiple support columns 26 at the bottom. At this time, the sliding column 27, which is slidably connected to the outer wall of the support column 26, and the spring 28, which is sleeved on the outer wall of the support column 26, can initially absorb and buffer the impact, reducing the impact on the wood processing equipment. At the same time, the damping block 29, which is fixedly connected inside the sliding column 27, can further buffer the impact on the support column 26 and limit the bottom end of the support column 26 to prevent the support column 26 from shaking or displacing significantly when subjected to impact, further improving the stability of the wood positioning.

[0035] As a technical optimization of this utility model: First, the wood to be processed is placed on the surface of the processing table 1. Then, the motor 7 can be started to drive the bidirectional lead screw 6 to rotate. Since the two moving blocks 8 are respectively threadedly connected to the bidirectional lead screw 6, the two moving blocks 8 can move closer to each other on the bidirectional lead screw 6 while the bidirectional lead screw 6 is rotating. And through the guidance of the guide rod 10, the moving blocks 8 can remain stable during the movement. When the two moving blocks 8 move closer to each other, they will drive the two connecting plates 9 to slide inside the slide groove 2. In this way, the two connecting plates 9 drive the two... The support plates 3 at both ends move together. At this time, the movement of the two support plates 3 will drive the two positioning plates 4 to move closer to each other on the top surface of the processing table 1 until they are completely in contact with both sides of the wood and then the positioning mechanism stops operating. In this way, the position of the wood is positioned by the two positioning plates 4, making it stable on the top surface of the processing table 1. This achieves firm clamping and high-precision positioning of wood of different widths, effectively improving processing accuracy, reducing product size deviation, and improving wood processing quality. At the same time, the slide grooves 2 are set on both sides of the processing table 1, which can effectively prevent wood processing debris from entering the processing table 1 and affecting the operation of the equipment.

[0036] Subsequently, depending on the size and width of the wood, the L-shaped plate 11 can be pulled and moved at the top of the positioning plate 4 under the guidance of the adjusting groove 5 and the magnetic block 25 until the contact block 18 is moved above the wood. At this time, the position of the magnetic block 25 can be fixed by the magnetic connection between the magnetic block 25 and the iron plate 30, so as to avoid slippage during processing and affect processing efficiency. Then, the electric telescopic rod 14 can be started to push the pressing block 13 forward with the guidance of the two guide blocks 12. Since the inclined surface of the pressing block 13 is in contact with the roller 20, the pressing block 13 will gradually press the roller 20 forward as it moves forward. In this way, the contact plate 17 will rotate around the pivot 16 as the center, until the contact block 18 at one end of the contact plate 17 contacts the top of the wood and stops the L-shaped plate 11 from rotating. The tension of the tension spring 23 and the cooperation of the electric telescopic rod 14 ensure that the roller 20 is always in contact with the inclined surface of the pressing block 13, thus maintaining the position of the contact plate 17 and the contact block 18 and preventing them from loosening. In this way, the contact block 18 clamps the top surface of the wood, which can effectively prevent the wood from shaking or warping during processing. It is especially suitable for wood with large thickness, soft material or large processing vibration, further improving the stability of wood positioning and processing accuracy. In addition, the anti-slip pad 24 can greatly increase the friction between the contact block 18 and the top surface of the wood, making it less likely for the wood to slide or shift when the contact block 18 clamps the wood. Even if vibration occurs during processing, the large friction between the anti-slip pad 24 and the wood can effectively maintain the stable positioning of the wood, further improving processing accuracy.

[0037] During processing, the wood may be cut or drilled, which generates significant impact. When the wood is subjected to impact on the surface of the processing table 1, the impact is transmitted through the processing table 1 to multiple support columns 26 at the bottom. At this time, the sliding column 27, which is slidably connected to the outer wall of the support column 26, and the spring 28, which is sleeved on the outer wall of the support column 26, can initially absorb and buffer the impact, reducing the impact on the wood processing equipment. At the same time, the damping block 29, which is fixedly connected inside the sliding column 27, can further buffer the impact on the support column 26 and limit the bottom end of the support column 26 to prevent the support column 26 from shaking or displacing significantly when subjected to impact, further improving the stability of the wood positioning.

[0038] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0039] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A positioning device for wood processing, comprising a processing table (1), characterized in that: The processing table (1) has sliding grooves (2) on both sides, and support plates (3) are symmetrically slidably connected to both sides of the processing table (1). Positioning plates (4) are symmetrically slidably installed on the top of the processing table (1). Both ends of the two positioning plates (4) are fixedly connected to the support plates (3). An adjustment groove (5) is provided on the top of the positioning plates (4). A positioning mechanism is installed inside the processing table (1). An auxiliary mechanism is installed on the top of the positioning plates (4). A support mechanism is installed at the bottom of the processing table (1).

2. The positioning device for wood processing as described in claim 1, characterized in that: The positioning mechanism includes a bidirectional lead screw (6) that is rotatably connected inside the processing table (1). A motor (7) is fixedly connected to one side of the processing table (1). The output end of the motor (7) is fixedly connected to one end of the bidirectional lead screw (6). The outer wall of the bidirectional lead screw (6) is symmetrically threaded with moving blocks (8). Both ends of the two moving blocks (8) are fixedly connected with connecting plates (9). One end of each of the two connecting plates (9) is fixedly connected to one side of the support plate (3). The two connecting plates (9) are slidably connected inside the slide groove (2).

3. The positioning device for wood processing as described in claim 2, characterized in that: The processing table (1) is fixedly connected to a guide rod (10), and the two moving blocks (8) are slidably connected to the guide rod (10) at the ends away from the bidirectional lead screw (6).

4. The positioning device for wood processing as described in claim 1, characterized in that: The auxiliary mechanism includes an L-shaped plate (11) slidably connected to the top of the positioning plate (4). Guide blocks (12) are symmetrically fixedly connected to the top of the L-shaped plate (11). Squeezing blocks (13) are slidably connected within the two guide blocks (12). The top surface of the squeezing blocks (13) is inclined. An electric telescopic rod (14) is fixedly connected to one side of the L-shaped plate (11). The output end of the electric telescopic rod (14) is fixedly connected to one end of the squeezing block (13). A U-shaped... The U-shaped block (15) has a rotating shaft (16) rotatably connected inside. The outer wall of the rotating shaft (16) is fixedly connected to an abutment plate (17). One end of the abutment plate (17) is fixedly connected to an abutment block (18). The abutment plate (17) has a through hole at the end away from the abutment block (18). A connecting shaft (19) is fixedly connected through the through hole. A roller (20) is rotatably connected to the outer wall of the connecting shaft (19). The roller (20) can fit against the inclined surface of the extrusion block (13).

5. A positioning device for wood processing as described in claim 4, characterized in that: The L-shaped plate (11) is symmetrically fixedly connected to a fixing plate (21) on its top surface. The two fixing plates (21) are fixedly connected to a fixing rod (22) on their opposite sides. One end of each fixing rod (22) is fixedly connected to a tension spring (23). The end of the tension spring (23) away from the fixing rod (22) is fixedly connected to one end of the connecting shaft (19). One end of the abutment block (18) is fixedly connected to an anti-slip pad (24).

6. A positioning device for wood processing as described in claim 4, characterized in that: A magnetic block (25) is fixedly connected to the bottom of the L-shaped plate (11). The magnetic block (25) is slidably connected inside the adjustment groove (5). Iron sheets (30) are fixedly connected to both sides inside the adjustment groove (5). The magnetic block (25) can be magnetically connected to the iron sheets (30).

7. A positioning device for wood processing as described in claim 1, characterized in that: The support mechanism includes multiple support columns (26) fixedly connected to the bottom of the processing table (1). Each of the multiple support columns (26) has a sliding column (27) slidably connected to its outer wall. Each of the multiple support columns (26) has a spring (28) sleeved on its outer wall. The two ends of the multiple springs (28) are fixedly connected to the top of the sliding column (27) and the bottom of the processing table (1), respectively.

8. A positioning device for wood processing as described in claim 7, characterized in that: Each of the sliding columns (27) has a damping block (29) fixedly connected inside, and the bottom of the multiple support columns (26) is fixedly connected to the top of the damping block (29).

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