Portable precise dust-free saw
By designing a combined structure of connecting blocks, extension plates and mounting frames on a portable dust-free saw, combined with locking assembly and clamping assembly, the problem of offset during cutting of the sheet is solved, achieving higher cutting accuracy and efficiency.
Patent Information
- Application Number
- CN202421413792.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-06-20
AI Technical Summary
Existing portable dust-free saws are prone to offset when cutting the sheet, resulting in cutting errors and reducing cutting efficiency and accuracy.
A portable precision dust-free saw is designed, using a combined structure of connecting blocks, extension plates and mounting frames. The plate is stably clamped and fixed through the locking assembly and clamping assembly to avoid offsets, and ensure the accuracy of the cutting path through the guide grooves and guide blocks.
It effectively avoids the deviation of the plate during the cutting process, improves the cutting accuracy and efficiency, and reduces the number of times of manual adjustment and repeated cutting.
Smart Images

Figure CN222779738U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of portable dust-free saws, in particular to a portable precision dust-free saw. Background Art
[0002] The dust-free saw is an advanced woodworking cutting tool. It adopts special design and technology to reduce dust generation when cutting wood and improve the cleanliness and safety of the working environment. When cutting wood, the dust-free saw adopts optimized design of tools and cutting methods, which greatly reduces the amount of wood chips and dust generated. The design of the tool and the selection of materials can reduce the debris and dust generated when cutting wood, thereby reducing the amount of dust generated. When a portable dust-free saw is used to cut the board, it is usually manually pushed to move the equipment on the board for cutting, which is prone to deviation and error. Multiple cuts are required to modify the size, reducing cutting efficiency and wasting manpower and material resources.
[0003] When the existing equipment is used to cut the plate, it is easy for the equipment to shift when it is manually pushed, and the equipment cannot be conveniently limited and guided. In addition, the plate is easy to shift, and the plate cannot be conveniently and stably clamped and fixed, resulting in errors in the cutting of the plate, affecting the accuracy and practicality of the equipment's cutting operation on the plate. Therefore, technical personnel in this field provide a portable precision dust-free saw to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the utility model is to provide a portable precision dust-free saw to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable precision dust-free saw, comprising a dust-free saw body and a fixing seat installed at the bottom of the body, a movable through hole is opened on the other side of the fixing seat, a connecting block is installed inside the movable through hole, an extension plate is installed at the bottom of the outer side of the connecting block, and a mounting frame for fixing the plate is installed outside the extension plate;
[0006] A locking assembly for fixing the mounting frame and the fixing seat is installed on the inner side of the connecting block, a clamping assembly for fixing the plate is installed on the bottom of the mounting frame, the connecting block is slidably connected to the movable through hole and the extension plate, the extension plate is slidably connected to the top of the mounting frame, and the main body is fixed to the fixing seat by bolts.
[0007] Preferably, the latch assembly includes a movable cavity formed inside the connecting block. A backing plate is placed inside the movable cavity. A pull rod is connected to the top of the backing plate. A spring for extrusion is sleeved outside the pull rod inside the movable cavity. A fixing ring is connected to the outside of the pull rod near the top. A connecting plate is sleeved outside the fixing ring. The pull rod is fixedly connected to the backing plate. Two ends of the spring are respectively fixedly connected to the movable cavity and the backing plate. The connecting plate is rotatably connected to the fixing ring.
[0008] Preferably, the latch assembly further includes a latch rod installed at the bottom of the connecting plate, and a latch through hole formed on the other side of the fixed seat. A first latch groove is formed at the middle of the top of the mounting bracket. A fixed block is connected to the other side of the connecting block. A second latch groove is formed at the top of the fixed block.
[0009] Preferably, the clamping assembly includes a sliding plate penetrating through the bottom of the mounting bracket. A first screw rod is installed through the sliding plate at the bottom of the mounting bracket. A clamping plate is connected to the top of the sliding plate. Anti-slip pads are laid on the top of the clamping plate and the other side of the mounting bracket respectively. The screw rod is rotatably connected to the mounting bracket. The first screw rod penetrates through the mounting bracket and is threadedly connected thereto.
[0010] Preferably, a guiding groove for guiding is formed at the bottom of the extension plate. A guiding block for limiting is installed near one end of the top of the mounting bracket. The guiding block is slidably connected to the guiding groove.
[0011] Preferably, a second screw rod for fixing is installed at the other end of the extension plate. A locking groove is formed at the top of the mounting bracket near the other end.
[0012] Preferably, the cross section of the connecting block is in the shape of "plus".
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0014] 1. In the present utility model, by providing a connecting block, an extension plate and a mounting bracket, the cross section of the mounting bracket is U-shaped, so that the mounting bracket can be sleeved outside the plate. The extension plate can slide telescopically on the top of the mounting bracket to extend the cutting path of the main body, so that the main body on the top of the fixed seat can cut the plate. The extension plate and the fixed seat are connected by the connecting block. The plate is clamped and fixed by the clamping assembly to prevent the plate from shifting, improve the accuracy of the equipment for cutting the plate, and avoid errors during plate cutting.
[0015] 2. In the utility model, a pull rod, a pad, a spring, a locking rod, a first locking groove and a second locking groove are arranged. The pull rod can drive the pad to slide in the movable cavity, and the pad can squeeze the spring. Then the pull rod drives the locking rod on one side of the connecting plate to move upward through the fixed ring, so that the connecting plate drives the locking rod to be inserted into the second locking groove, so as to prevent the locking rod from moving downward due to the squeezing of the spring and affecting the sliding of the connecting block. When not in use, the connecting plate drives the locking rod to be inserted into the locking through hole and the first locking groove to lock and fix the fixing seat and the mounting frame.
[0016] 3. In the utility model, a sliding plate, a clamping plate and a first screw are provided, the first screw rotates in the mounting frame, and then the first screw can drive the clamping plate to move upward through the sliding plate, and then the clamping plate is close to the top of the inner side of the mounting frame, so that the two anti-slip pads are respectively located on both sides of the plate, so that the plate and the mounting frame are installed and fixed, and the mounting frame and the extension plate can guide and limit the main body to prevent the main body from offset when cutting the plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 It is a front cutaway stereoscopic view of the overall structure of the utility model;
[0019] Figure 3 It is a left-side cutaway stereoscopic view of the overall structure of the utility model;
[0020] Figure 4 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle;
[0021] Figure 5 The overall structure of the utility model Figure 3 Enlarged view of point B in the middle;
[0022] Figure 6 The overall structure of the utility model Figure 3 Enlarged view of point C in the middle;
[0023] Figure 7 It is a structural schematic diagram of a fixing seat, a movable through hole, a connecting block, an extension plate and a mounting frame in the overall structure of the utility model.
[0024] In the figure: 1. Body; 2. Fixed seat; 3. Movable through-hole; 4. Connecting block; 5. Extension plate; 6. Mounting bracket; 7. Movable cavity; 8. Pad; 9. Pull rod; 10. Spring; 11. Fixed ring; 12. Connecting plate; 13. Locking rod; 14. Locking through-hole; 15. First locking groove; 16. Fixed block; 17. Second locking groove; 18. Sliding plate; 19. First screw; 20. Clamping plate; 21. Anti-slip pad; 22. Guide groove; 23. Guide block; 24. Second screw; 25. Locking groove. Detailed implementation
[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0026] Please refer to Figure 1 to Figure 7 , in the embodiment of the present invention, a portable precision dust-free saw includes the body 1 of the dust-free saw and a fixed seat 2 installed at the bottom of the body 1. On the other side of the fixed seat 2, a movable through-hole 3 is provided. Inside the movable through-hole 3, a connecting block 4 is installed. At the bottom outside of the connecting block 4, an extension plate 5 is sleeved. Outside the extension plate 5, a mounting bracket 6 for fixing the plate is sleeved. Inside the connecting block 4, a locking component is installed for fixing the mounting bracket 6 and the fixed seat 2. At the bottom of the mounting bracket 6, a clamping component for fixing the plate is installed. The connecting block 4 is slidably connected to the movable through-hole 3 and the extension plate 5. The extension plate 5 is slidably connected to the top of the mounting bracket 6. The body 1 and the fixed seat 2 are installed and fixed by bolts. The cross-section of the connecting block 4 is in the shape of "plus".
[0027] During use, the connecting block 4 slides in the movable through-hole 3 and the extension plate 5 to prevent the connecting block 4 from detaching from the movable through-hole 3 and the extension plate 5, making the splicing of the fixed seat 2 and the extension plate 5 more compact and the sliding of the body 1 more stable. The cross-section of the mounting bracket 6 is U-shaped to facilitate the mounting bracket 6 to be sleeved outside the plate. The extension plate 5 can telescopically slide on the top of the mounting bracket 6 to extend the cutting path of the body 1, so that the body 1 on the top of the fixed seat 2 can cut the plate. The extension plate 5 and the fixed seat 2 are connected by the connecting block 4, and the plate is clamped and fixed by the clamping component to prevent the plate from shifting, improving the accuracy of the equipment for cutting the plate and avoiding errors during plate cutting.
[0028] In one embodiment, specifically, the locking assembly includes an active cavity 7 opened on the inner side of the connecting block 4, a pad 8 is placed on the inner side of the active cavity 7, a pull rod 9 is connected to the top of the pad 8, a spring 10 for squeezing is installed on the inner side of the active cavity 7 and on the outer side of the pull rod 9, a fixing ring 11 is connected to the outer side of the pull rod 9 and close to the top, a connecting plate 12 is installed on the outer side of the fixing ring 11, the locking assembly also includes a locking rod 13 installed on the bottom of the connecting plate 12, a locking through hole 14 opened on the other side of the fixing seat 2, a first locking groove 15 is opened on the top and in the middle of the mounting frame 6, a fixing block 16 is connected to the other side of the connecting block 4, a second locking groove 17 is opened on the top of the fixing block 16, the pull rod 9 is fixedly connected to the pad 8, both ends of the spring 10 are fixedly connected to the active cavity 7 and the pad 8 respectively, and the connecting plate 12 is rotatably connected to the fixing ring 11.
[0029] Among them, the pull rod 9 can drive the pad 8 to slide in the movable cavity 7, the pad 8 can squeeze the spring 10, and then the pull rod 9 drives the locking rod 13 on one side of the connecting plate 12 to move upward through the fixing ring 11, so that the connecting plate 12 drives the locking rod 13 to be inserted into the second locking groove 17, so as to prevent the locking rod 13 from being squeezed downward by the spring 10 and affecting the sliding of the connecting block 4. When not in use, the connecting plate 12 drives the locking rod 13 to be inserted into the locking through hole 14 and the first locking groove 15 to lock and fix the fixing seat 2 and the mounting frame 6.
[0030] Furthermore, the clamping assembly includes a sliding plate 18 that passes through the bottom of the mounting frame 6, a first screw 19 is installed at the bottom of the mounting frame 6 and through the sliding plate 18, a clamp 20 is connected to the top of the sliding plate 18, and an anti-slip pad 21 is laid on the top of the clamp 20 and the other side of the mounting frame 6, the screw is rotatably connected to the mounting frame 6, the first screw 19 passes through the mounting frame 6 and is screwed thereto, the first screw 19 rotates in the mounting frame 6, and then the first screw 19 can drive the clamp 20 to move upward through the sliding plate 18, and then the clamp 20 approaches the top of the inner side of the mounting frame 6, so that the two anti-slip pads 21 are respectively located on both sides of the plate, so that the plate is installed and fixed between the mounting frame 6, and the mounting frame 6 and the extension plate 5 can guide and limit the main body 1 to prevent the main body 1 from offset when cutting the plate.
[0031] In one embodiment, specifically, a guide groove 22 for guiding is provided at the bottom of the extension plate 5, and a guide block 23 for limiting is installed at the top of the mounting frame 6 and near one end. The guide block 23 is slidably connected to the guide groove 22, and the guide block 23 can slide relative to the guide groove 22. The guide block 23 can prevent the extension plate 5 from falling off, limit it, and guide it, thereby improving the stability of the extension plate 5 sliding on the top of the mounting frame 6.
[0032] Among them, a second screw 24 for fixing is installed at the other end of the extension plate 5, and a locking groove 25 is opened at the top of the mounting frame 6 and near the other end. The second screw 24 passes through the extension plate 5 and is screwed therewith. The bottom of the second screw 24 can be inserted into the locking groove 25 to lock and fix the extension plate 5 and the mounting frame 6 to prevent the extension plate 5 from sliding when the extension plate 5 is not needed.
[0033] The working principle of this utility model:
[0034] First, clamp the mounting frame 6 on the outside of the plate, and then rotate the first screw 19 in the mounting frame 6. At this time, the first screw 19 drives the clamping plate 20 to move upward through the sliding plate 18, and then the clamping plate 20 is close to the top of the inner side of the mounting frame 6, so that the two anti-skid pads 21 are respectively located on both sides of the plate, so that the plate and the mounting frame 6 are installed and fixed, and then the second screw 24 is rotated to move upward to disengage from the locking groove 25, and then the pull rod 9 drives the pad 8 to slide in the active cavity 7, and at the same time the pad 8 squeezes the spring 10, and then the pull rod 9 drives the locking rod 13 on one side of the connecting plate 12 to move upward through the fixing ring 11, and then The connecting plate 12 rotates on the outside of the fixing ring 11, and then the pull rod 9 is slowly released. At this time, the spring 10 squeezes the pad 8, and then the pad 8 drives the pull rod 9 to move downward, so that the connecting plate 12 drives the locking rod 13 to insert into the second locking groove 17 at the top of the fixing block 16, and then the main body 1 is started to perform the cutting operation, and then the main body 1 is pushed to move on the plate, and then the main body 1 drives the fixing seat 2 to move on the top of the mounting frame 6, and then the fixing seat 2 drives the connecting block 4 to slide on the extension plate 5, and then the connecting block 4 drives the extension plate 5 to slide on the top of the mounting frame 6, and at the same time, the guide block 23 and the guide groove 22 slide relative to each other.
[0035] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.
Claims
1. A portable precision dust-free saw, comprising a dust-free saw body (1) and a fixing base (2) mounted on the bottom of the body (1), characterized in that: On the other side of the fixed seat (2), an activity through-hole (3) is provided. Inside the activity through-hole (3), a connecting block (4) is installed. At the bottom outside of the connecting block (4), an extension plate (5) is sleeved. Outside the extension plate (5), a mounting bracket (6) for fixing the plate is sleeved. Inside the connecting block (4), a locking component for fixing the mounting bracket (6) and the fixed seat (2) is installed. At the bottom of the mounting bracket (6), a clamping component for fixing the plate is installed. The connecting block (4) is slidably connected to the activity through-hole (3) and the extension plate (5). The extension plate (5) is slidably connected to the top of the mounting bracket (6). The main body (1) and the fixed seat (2) are fixedly installed by bolts.
2. A portable precision dust-free saw according to claim 1, characterized in that: The locking component includes an activity cavity (7) opened inside the connecting block (4). Inside the activity cavity (7), a backing plate (8) is placed. At the top of the backing plate (8), a pull rod (9) is connected. Inside the activity cavity (7) and outside the pull rod (9), a spring (10) for extrusion is sleeved. Near the top outside the pull rod (9), a fixed ring (11) is connected. Outside the fixed ring (11), a connecting plate (12) is sleeved. The pull rod (9) is fixedly connected to the backing plate (8). Two ends of the spring (10) are respectively fixedly connected to the activity cavity (7) and the backing plate (8). The connecting plate (12) is rotatably connected to the fixed ring (11).
3. A portable precision dust-free saw according to claim 2, characterized in that: The locking component further includes a locking rod (13) installed at the bottom of the connecting plate (12), a locking through-hole (14) opened on the other side of the fixed seat (2), a first locking groove (15) opened at the middle of the top of the mounting bracket (6), a fixed block (16) connected to the other side of the connecting block (4), and a second locking groove (17) opened at the top of the fixed block (16).
4. The portable precision dust-free saw according to claim 1, characterized in that: The clamping component includes a sliding plate (18) penetrating through the bottom of the mounting bracket (6). At the bottom of the mounting bracket (6) and penetrating through the sliding plate (18), a first screw rod (19) is installed. At the top of the sliding plate (18), a clamping plate (20) is connected. Anti-slip pads (21) are laid on the top of the clamping plate (20) and the other side of the mounting bracket (6). The screw rod is rotatably connected to the mounting bracket (6). The first screw rod (19) penetrates through the mounting bracket (6) and is screwed thereto.
5. The portable precision dust-free saw according to claim 1, characterized in that: At the bottom of the extension plate (5), a guiding groove (22) for guiding is opened. Near one end at the top of the mounting bracket (6), a guiding block (23) for limiting is installed. The guiding block (23) is slidably connected to the guiding groove (22).
6. The portable precision dust-free saw according to claim 1, characterized in that: At the other end of the extension plate (5), a second screw rod (24) for fixing is installed. Near the other end at the top of the mounting bracket (6), a locking groove (25) is opened.
7. The portable precision dust-free saw according to claim 1, characterized in that: The cross-section of the connecting block (4) is in the shape of "plus-minus".