A device for filling surface defects in wood
The automatic clamping and cleaning of wooden boards is achieved by using a motor-driven bidirectional threaded rod, which solves the problem of cumbersome operation in the existing technology and improves the efficiency and quality of wood processing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YANCHENG SITUYUN INTELLIGENT TECH CO LTD
- Filing Date
- 2025-07-17
- Publication Date
- 2026-06-16
AI Technical Summary
Existing wood surface defect repair devices are cumbersome to operate, requiring manual rotation of bolts to clamp the wood, which affects replacement efficiency.
The system uses a motor-driven bidirectional threaded rod. The rotation of the bidirectional threaded rod by the motor drives the moving plate and clamping rod to automatically clamp and release the wooden board. Combined with the tilting collection frame and brush cleaning, it reduces friction and debris accumulation.
It enables rapid clamping and automatic cleaning of wooden boards, improving operational efficiency, reducing operational steps and debris residue, and enhancing the quality of wood processing.
Smart Images

Figure CN224360359U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wood processing technology, and in particular to a device for patching defects on the surface of wood. Background Technology
[0002] Natural wood surfaces have defects. When making wooden products such as furniture and doors, these defects need to be removed and repaired, which makes the post-processing of wood more troublesome and less aesthetically pleasing.
[0003] Announcement No. CN222115405U discloses a device for patching defects on the surface of wood. A hydraulic rod moves up and down, causing a threaded rod to rotate clockwise or counterclockwise inside a threaded sleeve. This, in conjunction with the rotation of a support column and gears, causes a rack to slide backward or forward inside a support frame. This, in turn, moves a telescopic rod backward or forward. A cleaning brush then scrapes sawdust from the rear or front of the collection slot, effectively preventing sawdust residue from affecting subsequent patching work and ensuring the quality of the wood patching process.
[0004] However, during the implementation of this device, the bolts are manually rotated to move the limiting plate downwards until the bottom of the limiting plate is in contact with the upper surface of the wood to clamp the wood. This requires rotating the bolts sequentially, making the operation too cumbersome each time the wood is replaced. Therefore, a wood surface defect repair device is proposed to solve the above problems. Utility Model Content
[0005] The purpose of this utility model is to solve at least one of the technical problems existing in the prior art, and to provide a wood surface defect repair device that can solve the problems in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a wood surface defect repair device, comprising a housing, a fixed frame fixedly connected to the upper end of the housing, a removal tool mounted on the fixed frame, a placement groove opened at the upper end of the housing, two placement plates mounted on the inner wall of the placement groove, a collection frame fixedly connected inside the housing, the collection frame being inclined inside, two clamping rods slidably connected inside the collection frame, an installation frame fixedly connected inside the housing, the installation frame being U-shaped, two moving plates slidably connected to the inner wall of the installation frame, the surfaces of the two moving plates being fixedly connected to the two clamping rods respectively, and a bidirectional threaded rod rotatably connected inside the housing, the surfaces of the bidirectional threaded rod being threadedly connected to the interior of the moving plates, the interior threads of the two moving plates being matched with the threads at both ends of the bidirectional threaded rod respectively.
[0007] Preferably, a motor is fixedly connected to the surface of the equipment housing, the output end of the motor is rotatably connected to the equipment housing and extends into its interior, and the output end of the motor is fixedly connected to a bidirectional threaded rod.
[0008] Preferably, the collection frame has two slidingly connected push plates inside, the length of which is greater than the length of the clamping rod, and the push plates are located below the placement plate.
[0009] Preferably, a rotating shaft is fixedly connected to each side of the placement plate, the surface of the rotating shaft is rotatably connected to the inside of the equipment housing, and a first roller is rotatably connected to the inside of the rotating shaft.
[0010] Preferably, a torsion spring is movably sleeved on the surface of the rotating shaft, and the two ends of the torsion spring are fixedly connected to the placement plate and the equipment housing, respectively.
[0011] Preferably, the clamping rod is rotatably connected to a second roller, the surface of which is in contact with the wooden board.
[0012] Preferably, a cleaning plate is installed on the inner wall of the placement groove, the cleaning plate is fixedly connected to the equipment housing by bolts, and a brush is provided at the bottom of the cleaning plate.
[0013] Preferably, a rotating rod is rotatably connected to the surface of the push plate, and the surface of the rotating rod is in contact with the surface of the placement plate.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] This wood surface defect repair device works by starting a motor, which drives a bidirectional threaded rod to rotate. The bidirectional threaded rod drives two moving plates, which in turn move two clamping rods to clamp the wood board. This makes the device easier for workers to use and improves its effectiveness. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments:
[0017] Figure 1 This is a schematic diagram of the structure of the outer casing of the device of this utility model;
[0018] Figure 2 This is a schematic diagram of the internal structure of the outer shell of the device of this utility model;
[0019] Figure 3 This is a schematic diagram of the surface structure of the movable plate of this utility model;
[0020] Figure 4 This is a schematic diagram of the surface structure of the placement plate of this utility model.
[0021] Reference numerals: 1. Equipment casing; 2. Fixing frame; 3. Excavation tool; 4. Placement slot; 5. Clamping rod; 6. Motor; 7. Placement plate; 8. First roller; 9. Cleaning plate; 10. Mounting frame; 11. Second roller; 12. Collection frame; 13. Moving plate; 14. Pushing plate; 15. Bidirectional threaded rod; 16. Rotating rod; 17. Rotating shaft; 18. Torsion spring. Detailed Implementation
[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0023] Please see Figure 1-4 This utility model provides a technical solution: a wood surface defect repair device, including a device housing 1, a fixed frame 2 fixedly connected to the upper end of the device housing 1, and a cutting tool 3 provided on the fixed frame 2. The cutting tool 3 processes the placed wood. This has been described in the comparative case and will not be explained again. A placement groove 4 is opened at the upper end of the device housing 1, and two placement plates 7 are provided on the inner wall of the placement groove 4. A collection frame 12 is fixedly connected inside the device housing 1. The inside of the collection frame 12 is inclined, and two clamping rods slidably connected inside the collection frame 12. The inside of the device housing 1 is fixedly connected to... A mounting bracket 10 is attached, which is U-shaped. Two movable plates 13 are slidably connected to the inner wall of the mounting bracket 10. The surfaces of the two movable plates 13 are fixedly connected to two clamping rods 5 respectively. A bidirectional threaded rod 15 is rotatably connected inside the equipment housing 1. The surface of the bidirectional threaded rod 15 is threadedly connected to the inside of the movable plates 13, and the internal threads of the two movable plates 13 are respectively matched with the threads at both ends of the bidirectional threaded rod 15. A motor 6 is fixedly connected to the surface of the equipment housing 1. The output end of the motor 6 is rotatably connected to the equipment housing 1 and extends into its interior. The output end of the motor 6 is fixedly connected to the bidirectional threaded rod 15.
[0024] The collection box 12 has two sliding connections inside. The length of the push plate 14 is greater than that of the clamping rod 5, and the push plate 14 is located below the placement plate 7. Thus, the placement plate 7 is supported by the push plate 14.
[0025] Rotating shafts 17 are fixedly connected to both sides of the placement plate 7. The surface of the rotating shaft 17 is rotatably connected to the inside of the equipment housing 1, and the inside of the rotating shaft 17 is rotatably connected to a first roller 8. The first roller 8 reduces the friction between the template and the placement plate 7, making it easier to push the wooden board.
[0026] A torsion spring 18 is movably sleeved on the surface of the rotating shaft 17. The two ends of the torsion spring 18 are fixedly connected to the placement plate 7 and the equipment housing 1, respectively. Thus, the rotation and reset of the placement plate 7 are controlled by the torsion spring 18.
[0027] The clamping rod 5 is internally rotatably connected to a second roller 11. The surface of the second roller 11 is in contact with the wooden board, thereby reducing the friction between the clamping rod 5 and the wooden board.
[0028] A cleaning plate 9 is installed on the inner wall of the placement groove 4. The cleaning plate 9 is fixedly connected to the equipment shell 1 by bolts, and a brush is provided at the bottom of the cleaning plate 9. The brush is used to brush the surface of the ejected wooden board.
[0029] A rotating rod 16 is rotatably connected to the surface of the push plate 14. The surface of the rotating rod 16 is in contact with the surface of the placement plate 7. Thus, by setting the rotating rod 16, when the push plate 14 pushes the placement plate 7, the rotating rod 16 rotates under the action of friction, thereby reducing the friction with the push plate 14.
[0030] Working principle: When it is necessary to fix the wooden board, the operator starts the motor 6, and the output end of the motor 6 drives the bidirectional threaded rod 15 to rotate. The bidirectional threaded rod 15 drives the two moving plates 13. Due to the obstruction of the mounting bracket 10, the moving plates 13 do not rotate with the mounting bracket 10, but slide relative to or away from each other with the rotation of the bidirectional threaded rod 15. The two moving plates 13 respectively drive the clamping rod 5 and the pushing plate 14 to move. Since the pushing plate 14 is longer than the clamping rod 5, the pushing plate 14 drives the rotating rod 16 to move. The rotating rod 16 then pushes the bottom of the placement plate 7, so that... The placement plate 7 rotates around the rotating shaft 17, and the rotation of the placement plate 7 causes the torsion spring 18 to twist. The rotating shaft 17 rotates parallel to the surface of the equipment housing 1, so that the wooden board can be placed on the surface of the placement plate 7. At the same time, the moving plate 13 drives the clamping rod 5 to move, and then the clamping rod 5 slides with the moving plate 13 and contacts the placement template, thereby fixing the wooden board and completing the clamping of the wooden board. As the wooden board is processed, it is pushed. With the cooperation of the cleaning plate 9, the cleaning plate 9 brushes the surface of the wooden board, reducing the debris carried on the surface of the wooden board when it is removed, and leaving the debris on the placement plate 7.
[0031] When the motor 6 drives the bidirectional threaded rod 15 to reverse, the bidirectional threaded rod 15 drives the two moving plates 13 to move back and forth. As a result, the clamping rod 5 moves and no longer clamps the wooden board. The moving plate 13 drives the pushing plate 14 to move, so that the pushing plate 14 moves out from under the placement plate 7. As a result, the pushing plate 14 no longer supports the placement plate 7. Under the torque of the torsion spring 18, the rotating shaft 17 drives the placement plate 7 to flip. As a result, the debris on the placement plate 7 falls into the interior of the collection frame 12 and then slides out with the inclined surface of the collection frame 12, thus completing the discharge of debris and preventing debris from accumulating on the placement plate 7, further improving the use effect of the device.
[0032] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A device for patching defects on the surface of wood, comprising a housing (1), characterized in that: A fixed frame (2) is fixedly connected to the upper end of the equipment housing (1). A digging tool (3) is provided on the fixed frame (2). A placement groove (4) is opened at the upper end of the equipment housing (1). Two placement plates (7) are provided on the inner wall of the placement groove (4). A collection frame (12) is fixedly connected inside the equipment housing (1). The inside of the collection frame (12) is inclined. Two clamping rods (5) are slidably connected inside the collection frame (12). An installation frame (10) is fixedly connected inside the equipment housing (1). The installation frame (10) is U-shaped. Two moving plates (13) are slidably connected to the inner wall of the installation frame (10). The surfaces of the two moving plates (13) are fixedly connected to the two clamping rods (5) respectively. A bidirectional threaded rod (15) is rotatably connected inside the equipment housing (1). The surface of the bidirectional threaded rod (15) is threadedly connected to the inside of the moving plate (13). The internal threads of the two moving plates (13) are respectively matched with the threads at both ends of the bidirectional threaded rod (15).
2. The wood surface defect repair device according to claim 1, characterized in that: A motor (6) is fixedly connected to the surface of the equipment housing (1). The output end of the motor (6) is rotatably connected to the equipment housing (1) and extends into its interior. The output end of the motor (6) is fixedly connected to a bidirectional threaded rod (15).
3. The wood surface defect repair device according to claim 2, characterized in that: The collection box (12) has two sliding connections inside, the length of which is greater than that of the clamping rod (5), and the push plate (14) is located below the placement plate (7).
4. The wood surface defect repair device according to claim 3, characterized in that: The placement plate (7) is fixedly connected to two sides of a rotating shaft (17). The surface of the rotating shaft (17) is rotatably connected to the inside of the equipment housing (1). The inside of the rotating shaft (17) is rotatably connected to a first roller (8).
5. A wood surface defect repair device according to claim 4, characterized in that: A torsion spring (18) is movably sleeved on the surface of the rotating shaft (17), and the two ends of the torsion spring (18) are fixedly connected to the placement plate (7) and the equipment housing (1), respectively.
6. A wood surface defect repair device according to claim 5, characterized in that: The clamping rod (5) is internally rotatably connected to a second roller (11), the surface of which is in contact with the wooden board.
7. A wood surface defect repair device according to claim 6, characterized in that: The inner wall of the placement slot (4) is equipped with a cleaning plate (9), which is fixedly connected to the equipment housing (1) by bolts. A brush is provided at the bottom of the cleaning plate (9).
8. A wood surface defect repair device according to claim 7, characterized in that: The surface of the push plate (14) is rotatably connected to a rotating rod (16), and the surface of the rotating rod (16) is in contact with the surface of the placement plate (7).