Positioning device for polishing special-shaped timber

By designing the positioning mechanism of the movable part and locking holes in the grinding device of the special-shaped wood, the problem of unstable positioning of the wood during grinding is solved, and stable positioning is achieved during the wood processing.

CN222920232UActive Publication Date: 2025-05-30HUBEI SENHANG WOODEN CRAFTS CO LTD
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Patent Information

Application Number
CN202421923330.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-05-30
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

During the grinding process, the wood positioning is unstable due to the spring contraction due to the stress of the spring.

Method used

A positioning device for grinding a special-shaped wood is designed. By setting up a movable part and a locking hole, the movable block is moved on the mounting base, and the locking block is embedded in the locking hole to position the top rod to prevent unstable positioning on both sides when the wood is subjected to stress.

Benefits of technology

It achieves that the positioning does not affect the stress of the wood when grinding, ensuring that the positioning on both sides of the wood is stable during the processing process and is not prone to misalignment.

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Abstract

The utility model relates to the field of wood polishing, and discloses a positioning device for polishing special-shaped wood, which comprises a rack, a mounting seat arranged on the rack, an ejector rod arranged on the mounting seat, a first spring connected between the ejector rod and the mounting seat, a clamping plate hinged to the ejector rod, a push rod slidably arranged on the mounting seat, and a second spring connected between the push rod and the mounting seat. The mounting seat is vertically and slidably connected with a movable part, the movable part comprises a locking rod and an ejector block, the ejector rod is provided with a locking hole, the motion trail of the ejector block intersects with the push rod, and the push rod is movably connected with the clamping plate. Compared with the prior art, the wood polishing device has the advantages that the wood polishing device is easy to operate, the two sides of the wood are stably positioned during wood processing, dislocation is not prone to occurring, and the wood polishing device has the effect that wood positioning is not affected during polishing.
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Description

Technical Field

[0001] The utility model relates to the technical field of wood grinding, in particular to a positioning device for grinding special-shaped wood Background Technique

[0002] Special-shaped shaft wood generally refers to a wooden shaft with a non-standard circular cross-section. They are widely used in the fields of furniture manufacturing, architectural decoration, machinery manufacturing, etc. The characteristics of this kind of wood are that it can provide specific structural support and aesthetic decoration effects, and at the same time can meet the needs of specific mechanical functions.

[0003] The Chinese utility model patent with the authorization announcement number CN219426441U discloses a special-shaped shaft processing and grinding device, including a base; a fixing plate, the fixing plate is fixedly connected to the upper end of the base, and an electric slide rail is arranged on the upper end of the base, and a sliding seat is slidably connected to the inner surface thereof; a cylinder, the cylinder is fixedly connected to the upper end of the sliding seat, and a grinding device body is fixedly connected to the upper end of the cylinder; a fixing column, the fixing column is fixedly connected to one side end of the fixing plate, and mounting circular plates are fixedly connected to one side end of the fixing plate and one side end of the fixing column respectively, and first bolts are threadedly connected to one side ends of the two mounting circular plates.

[0004] However, in the actual work of the prior art, when the wood is stressed during grinding, the springs on both sides are stressed and contracted at this time, and the wood shakes on both sides under the action of the springs, making the positioning of the wood unstable. Based on this, the following improvements are proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a positioning device for grinding special-shaped wood, which has the effect of not affecting the positioning of the wood during grinding.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: A positioning device for grinding special-shaped wood, including a frame, a fixing column and an arc plate are arranged at the end of the frame, mounting seats are symmetrically arranged on both sides of the frame, a top rod is horizontally slidably arranged on the mounting seat, a first spring is connected between the top rod and the mounting seat, the first spring presses the top rod against the wood, clamping plates are symmetrically hinged on both sides of the end of the top rod, a push rod is horizontally slidably arranged on the mounting seat, a second spring is connected between the push rod and the mounting seat, a movable part is vertically slidably connected to the mounting seat, the movable part includes a locking rod and a top block, the locking rod is connected to the top block, a number of locking holes corresponding to the locking rod are arranged on the top rod, the side of the top block close to the clamping plate is inclined, the movement track of the top block intersects with the push rod, the push rod is movably connected to the clamping plate, and the top block presses the push rod against the clamping plate.

[0007] By adopting the above technical solution, by providing a movable part and a locking hole, the movable block is driven to move on the mounting seat and the locking block is inserted into the locking hole to position the ejector rod, preventing unstable positioning on both sides when the wood is processed, and achieving the purpose of not affecting the positioning when the wood is polished.

[0008] A further setting of the present utility model is that: the end of the push rod away from the clamping plate is provided with a rounded corner, and a plurality of locking ports are provided on the inclined surface of the top block, and the connection between the plurality of locking ports and the inclined surface of the top block is provided with a rounded corner.

[0009] By adopting the above technical solution, through the rounded corner setting, when the wood needs to be disassembled, only need to slide the movable block forcefully, and the rounded corner between the end of the push rod and the inclined surface of the top block slides, and the purpose of the push rod automatically sliding out from the locking port can be achieved.

[0010] A further setting of the present utility model is that: the push rod is provided with a ball head, the clamping plate is provided with a ball socket, the ball head is inserted into the ball socket, the ball head is provided with a sliding rod, and the ball socket is provided with a guiding groove for the sliding rod to slide.

[0011] By adopting the above technical solution, when the push rod moves, it drives the clamping plate to swing on the ejector rod. When the angle between the push rod and the clamping plate changes, the sliding rod slides in the guiding groove to achieve the purpose of the push rod driving the clamping plate.

[0012] A further setting of the present utility model is that: a torsion spring is connected between the clamping plate and the ejector rod.

[0013] By adopting the above technical solution, when not under force, the torsion spring drives the clamping plate to protrude outwards, and the clamping plate acts on the push rod, which is beneficial to the stability of the structure and more convenient to push the push rod into the third sliding groove.

[0014] A further setting of the present utility model is that: the mounting seat is provided with a first sliding sleeve, the ejector rod is slidably connected to the first sliding sleeve, and the first spring is connected between the first spring and the first sliding sleeve.

[0015] A further setting of the present utility model is that: the mounting seat is symmetrically provided with connecting plates on both the upper and lower sides of the ejector rod, the connecting plates are horizontally provided with second sliding sleeves, the second sliding sleeves are open at both the upper and lower sides, the push rod is slidably connected to the second sliding sleeves, and the second spring is connected between the push rod and the second sliding sleeves.

[0016] A further setting of the present utility model is that: the connecting plate is vertically provided with a third sliding sleeve, the third sliding sleeve is connected to the second sliding sleeve, the third sliding sleeve is open at one side close to the second sliding sleeve, the movable part is slidably connected to the third sliding sleeve, and the second spring presses the push rod into the third sliding sleeve.

[0017] By adopting the above technical solution, the top block slides within the third sliding sleeve. The inclined surface of the top block protrudes through the openings of the third sliding sleeve and the second sliding sleeve and contacts the push rod, enabling the top block to drive the push rod to move within the second sliding sleeve.

[0018] A further setting of the present utility model is that connecting shafts are provided on both the upper and lower sides of the ejector rod. The clamping plate is rotatably connected to the connecting shafts, and the torsion spring is connected between the clamping plate and the connecting shafts.

[0019] A further setting of the present utility model is that the locking holes do not penetrate through the ejector rod, and the locking holes are symmetrically arranged on both the upper and lower sides of the ejector rod.

[0020] A further setting of the present utility model is that the top block is provided with a guiding hole for the locking rod to slide, and a third spring is connected between the ejector rod and the guiding hole.

[0021] By adopting the above technical solution, when the driving movable part is actuated, the locking rod is inserted into the locking hole and the movable part continues to slide. The inclined surface of the top block presses the push rod to a proper position, and the locking rod slides within the guiding hole, enabling the movable part to position the push rod.

[0022] The beneficial effects of the present utility model are as follows: The top block drives the locking rod to be inserted into the locking hole, preventing the ejector rod from contracting under force during the processing. The top block slides and presses the push rod out through the inclined surface, and the push rod presses the clamping plate against the surface of the workpiece. At the same time, the top block and the push rod are positioned and fixed to each other. Compared with the prior art, the operation is simple, and during wood processing, the positioning on both sides is stable and it is not easy to be misaligned. Description of the Drawings

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0024] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0025] Figure 2 It is a schematic diagram of the partial structure at the mounting seat of the present utility model.

[0026] Figure 3 It is Figure 2 The partial structure schematic diagram in

[0027] Figure 4 It is Figure 2 The sectional structure schematic diagram.

[0028] In the figure, 1 is a frame; 11 is a fixed column; 12 is an arc plate; 13 is a mounting seat; 2 is a connecting plate; 21 is a second sliding sleeve; 211 is a push rod; 2111 is a ball head; 2112 is a sliding rod; 212 is a second spring; 22 is a third sliding sleeve; 23 is a movable part; 231 is a locking rod; 232 is a top block; 2321 is a guiding hole; 2322 is a third spring; 233 is a locking port; 3 is a first sliding sleeve; 31 is a top rod; 311 is a connecting shaft; 312 is a clamping plate; 3121 is a ball socket; 3122 is a guiding groove; 313 is a locking hole; 314 is a torsion spring; 32 is a first spring. Detailed implementation mode

[0029] The technical solution of the present utility model will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative work shall fall within the protection scope of the present utility model.

[0030] Embodiment, a positioning device for grinding special-shaped wood, as Figures 1-4 shown, includes a frame 1. A fixed column 11 and an arc plate 12 are arranged at the end of the frame 1. Mounting seats 13 are arranged on both sides of the frame 1. The mounting seats 13 are symmetrically arranged on both sides of the frame 1. A first sliding sleeve 3 is horizontally arranged on the mounting seat 13. A top rod 31 is slidably connected in the first sliding sleeve 3. A first spring 32 is connected between the top rod 31 and the first sliding sleeve 3. The first spring 32 presses the top rod 31 against the wood. Connecting shafts 311 are symmetrically arranged on the upper and lower sides of the end of the top rod 31 away from the first sliding sleeve 3. A clamping plate 312 is rotatably connected at the connecting shaft 311. A torsion spring 314 is connected between the clamping plate 312 and the connecting shaft 311. Connecting plates 2 are symmetrically arranged on the upper and lower sides of the mounting seat 13 where the top rod 31 is located. A second sliding sleeve 21 is horizontally arranged on the connecting plate 2, and a third sliding sleeve 22 is vertically arranged. The second sliding sleeve 21 is open at the upper and lower sides, and the third sliding sleeve 22 is open at the side close to the second sliding sleeve 21. The second sliding sleeve 21 and the third sliding sleeve 22 are connected. A push rod 211 is slidably connected in the second sliding sleeve 21. A second spring 212 is connected between the push rod 211 and the second sliding sleeve 21. The second spring 212 presses the push rod 211 into the third sliding sleeve 22. A ball head 2111 is arranged at the end of the push rod 211 away from the third sliding sleeve 22. A sliding rod 2112 is arranged on the ball head 2111. A ball socket 3121 is arranged on the clamping plate 312. The ball head 2111 is embedded in the ball socket 3121. The ball socket 3121 is provided with a guiding groove 3122 for the sliding rod 2112 to slide.

[0031] Furthermore, as Figures 1-4As shown, a movable part 23 is slidably connected inside the third sliding sleeve 22. The movable part 23 includes a locking rod 231 and a top block 232. One side of the top block 232 close to the second sliding sleeve 21 is inclined. The top block 232 is provided with a guiding hole 2321 for the locking rod 231 to slide. A third spring 2322 is connected between the locking rod 231 and the guiding hole 2321. A number of locking holes 313 are symmetrically opened on the upper and lower sides of the top rod 31. The locking holes 313 do not penetrate the top rod 31. A number of locking ports 233 corresponding to the push rod 211 are opened on the inclined surface of the top block 232. The connection parts of the number of locking ports 233 and the inclined surface of the top block 232 are rounded. The end of the push rod 211 close to the top block 232 is rounded.

Claims

1. A positioning device for grinding special-shaped wood, comprising a frame (1), wherein the ends of the frame (1) are provided with fixing columns (11) and arc plates (12), the two sides of the frame (1) are symmetrically provided with mounting seats (13), the mounting seats (13) are horizontally slidably provided with a push rod (31), a first spring (32) is connected between the push rod (31) and the mounting seat (13), the first spring (32) pushes the push rod (31) against the wood, and the ends of the push rod (31) are symmetrically hinged with clamping plates (312), characterized in that: The mounting seat (13) is provided with a push rod (211) for horizontal sliding, a second spring (212) is connected between the push rod (211) and the mounting seat (13), and the mounting seat (13) is vertically slidably connected with a movable part (23), the movable part (23) comprises a locking rod (231) and a top block (232), the locking rod (231) is connected with the top block (232), the top rod (31) is provided with a plurality of locking holes (313) corresponding to the locking rod (231), the top block (232) is inclinedly arranged close to one side of the clamping plate (312), the movement trajectory of the top block (232) intersects with the push rod (211), the push rod (211) is movably connected with the clamping plate (312), and the top block (232) presses the push rod (211) against the clamping plate (312).

2. A positioning device for grinding special-shaped wood according to claim 1, characterized in that: The end of the push rod (211) away from the clamping plate (312) is rounded, and a plurality of locking openings (233) are provided on an inclined surface of the top block (232). The connection between the plurality of locking openings (233) and the inclined surface of the top block (232) is rounded.

3. A positioning device for grinding special-shaped wood according to claim 2, characterized in that: The push rod (211) is provided with a ball head (2111), the clamping plate (312) is provided with a ball sleeve (3121), the ball head (2111) is embedded in the ball sleeve (3121), the ball head (2111) is provided with a sliding rod (2112), and the ball sleeve (3121) is provided with a guide groove (3122) for the sliding rod (2112) to slide.

4. A positioning device for grinding special-shaped wood according to claim 3, characterized in that: A torsion spring (314) is connected between the clamping plate (312) and the push rod (31).

5. A positioning device for grinding special-shaped wood according to claim 4, characterized in that: The mounting seat (13) is provided with a first sliding sleeve (3), the push rod (31) is slidably connected to the first sliding sleeve (3), and the first spring (32) is connected between the first spring (32) and the first sliding sleeve (3).

6. A positioning device for grinding special-shaped wood according to claim 5, characterized in that: The mounting seat (13) is symmetrically provided with connecting plates (2) on the upper and lower sides of the top rod (31); the connecting plate (2) is horizontally provided with a second sliding sleeve (21); the second sliding sleeve (21) is provided with openings on the upper and lower sides; the push rod (211) is slidably connected in the second sliding sleeve (21); and the second spring (212) is connected between the push rod (211) and the second sliding sleeve (21).

7. A positioning device for grinding special-shaped wood according to claim 6, characterized in that: The connecting plate (2) is vertically provided with a third sliding sleeve (22), the third sliding sleeve (22) is connected to the second sliding sleeve (21), the third sliding sleeve (22) is arranged close to a side opening of the second sliding sleeve (21), the movable part (23) is slidably connected to the third sliding sleeve (22), and the second spring (212) pushes the push rod (211) toward the inside of the third sliding sleeve (22).

8. The positioning device for grinding special-shaped wood according to claim 7, characterized in that: The upper and lower sides of the push rod (31) are both provided with connecting shafts (311), the clamping plate (312) is rotatably connected to the connecting shaft (311), and the torsion spring (314) is connected between the clamping plate (312) and the connecting shaft (311).

9. A positioning device for grinding special-shaped wood according to claim 8, characterized in that: The locking hole (313) does not penetrate the top rod (31), and the locking hole (313) is symmetrically arranged on the upper and lower sides of the top rod (31).

10. A positioning device for grinding special-shaped wood according to claim 9, characterized in that: The top block (232) is provided with a guide hole (2321) for the locking rod (231) to slide, and a third spring (2322) is connected between the top rod (31) and the guide hole (2321).

Citation Information

Patent Citations

  • Special-shaped shaft machining and grinding device

    CN219426441U