Oblique angle grinding device for building materials
By designing a bevel grinding device with components such as a positioning guide cover and a transmission screw, the problem of instability in bevel grinding in the existing technology has been solved, achieving flatness and flexible adjustment of the bevel surface, and improving the stability and practicality of grinding.
Patent Information
- Application Number
- CN202520638831.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2035-04-07
AI Technical Summary
Existing bevel grinding devices for building materials have a simple structure and require manual control of the bevel grinding angle and thickness, resulting in unstable control and uneven bevel surfaces.
An angled grinding device including a positioning guide cover was designed. Using components such as a positioning plate and a transmission screw, the device can achieve precise positioning and height adjustment of the grinding wheel. It can be easily operated with a handle and an operating handle to prevent the angle from being skewed and can flexibly adjust the grinding depth as needed.
It achieves smooth and even grinding of beveled surfaces, improving the stability and flexibility of grinding and ensuring that beveled surfaces are flat and smooth.
Smart Images

Figure CN223971420U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bevel grinding technology, and in particular to a bevel grinding device for building materials. Background Technology
[0002] Building materials often require beveled edges, especially plaster moldings or slabs. Beveled edges improve aesthetics and reduce the risk of bumps and scratches. Currently, bevels are mostly sanded manually using angle grinders. However, such bevel grinding equipment has the following problems in practical use:
[0003] Current beveling grinding devices for building materials have simple structures and require manual control of the beveling angle and grinding thickness, which leads to unstable control, uneven beveling, and uneven beveling surfaces. Utility Model Content
[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a bevel grinding device for building materials, which effectively solves the deficiencies of the prior art.
[0005] To achieve the above objectives, one embodiment of this utility model provides a bevel grinding device for building materials, including a positioning guide cover. The positioning guide cover includes a connecting plate and positioning plates fixedly connected to both sides of the connecting plate. The two positioning plates are arranged perpendicularly to each other. A strip-shaped through hole is formed at the center of the top surface of the connecting plate. A guide tube is fixedly connected to the top surface of the connecting plate at a position corresponding to the strip-shaped through hole. A through strip-shaped hole is formed in the middle of one side of the guide tube. A guide rod is fixedly connected to the center of one side of the top of the guide tube. A transmission rod is rotatably connected to the other side of the top of the guide tube. The moving lead screw has a guide plate slidably connected to its outer wall, and a lifting plate is threadedly connected to its outer wall. A mounting plate is fixedly connected to one side of the guide plate and the lifting plate. The mounting plate fits against the outer wall of the guide square tube near the through-hole. An angle grinder is fixedly connected to the center of one side of the mounting plate. The output shaft of the angle grinder passes through the through-hole into the interior of the guide square tube. A grinding wheel is fixedly connected to the output end of the angle grinder. The grinding wheel is located inside the guide square tube and can pass through the through-hole to the bottom surface of the connecting plate.
[0006] Preferably, one side of the top surface of the positioning guide cover is fixedly connected to a handle, and the side of the top surface of the connecting plate away from the handle is fixedly connected to an operating handle, the position of which corresponds to the center of the handle.
[0007] The technical effect achieved by adopting the above solution is that it allows for convenient and flexible operation and movement via a handle and control lever.
[0008] Preferably, in any of the above embodiments, abutment plates are fixedly connected to one side of the bottom inner side of each of the two positioning plates, the two abutment plates are arranged perpendicular to each other, and the outer sides of the two abutment plates protrude from the outer wall of the positioning plates.
[0009] The technical effect achieved by the above solution is that by using this solution, two abutment plates can be used to abut against the two sides of the building material, so that the corners of the building material and the connecting plate are left with a gap, preventing grinding.
[0010] Preferably, in any of the above solutions, the lengths of the guide rod and the transmission screw are adapted to the height of the guide tube, and the top of the transmission screw extends through the top surface of the guide tube and is fixedly connected to a rotating head.
[0011] The technical effect achieved by adopting the above solution is that by using this solution, the guide rod and the transmission screw can drive the lifting and adjusting distance of the angle grinder and the grinding wheel to match the height of the guide tube, and the adjustment can be easily made by rotating the head.
[0012] Preferably, in any of the above embodiments, the diameter of the grinding wheel is smaller than the width of the inner wall of the guide tube, the thickness of the grinding wheel is smaller than the left and right spacing of the inner wall of the guide tube, and the centerline of the grinding wheel corresponds to the centerline of the connecting plate.
[0013] The technical effect achieved by adopting the above solution is that the center line of the grinding wheel can correspond to the corner line during grinding, so that the two sides of the bevel angle are symmetrically set during grinding.
[0014] This utility model has the following advantages:
[0015] 1. The bevel grinding device for building materials uses two positioning plates that can abut against the two sides of the corner of the building material, so that the center of the grinding wheel is aligned with the corner of the building material. Then, by pushing the two positioning plates to move, the grinding wheel passes through the corner while rotating at high speed, thus grinding the corner. This grinding method, with the positioning of the two positioning plates, can prevent the bevel of the grinding from becoming skewed, so that the ground bevel is smooth.
[0016] 2. The bevel grinding device for this building material can raise and lower the height of the lifting plate by rotating the transmission screw, which in turn raises and lowers the mounting plate, allowing the angle grinder and grinding wheel to be raised and lowered. The length of the bottom of the grinding wheel protruding from the bottom surface of the connecting plate can be adjusted, thereby adjusting the grinding feed depth. It can be flexibly adjusted according to actual needs, improving practicality. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This is a top view of the structure of this utility model;
[0019] Figure 3 This utility model Figure 2 Schematic diagram of the cross-sectional structure at point AA.
[0020] In the diagram: 1-positioning guide cover, 101-positioning plate, 102-connecting plate, 2-backing plate, 3-guide square tube, 4-installation fixing plate, 5-angle grinder, 6-grinding wheel, 7-guide rod, 8-guide plate, 9-through strip hole, 10-rotating head, 11-handle, 12-operating handle, 13-transmission screw, 14-lifting plate. Detailed Implementation
[0021] The present invention will be further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited to the following description.
[0022] like Figures 1 to 3 As shown, a bevel grinding device for building materials includes a positioning guide cover 1. The positioning guide cover 1 includes a connecting plate 102 and positioning plates 101 fixedly connected to both sides of the connecting plate 102. The two positioning plates 101 are arranged perpendicularly to each other. A strip-shaped through hole is opened at the center of the top surface of the connecting plate 102. A guide tube 3 is fixedly connected to the top surface of the connecting plate 102 at the position corresponding to the strip-shaped through hole. A through strip-shaped hole 9 is opened in the middle of one side of the guide tube 3. A guide rod 7 is fixedly connected to the center of one side of the top of the guide tube 3. A transmission screw 13 is rotatably connected to the other side of the top of the guide tube 3. A guide plate 8 is slidably connected to the outer wall of the guide plate 7, and a lifting plate 14 is threadedly connected to the outer wall of the transmission screw 13. A mounting plate 4 is fixedly connected to one side of the guide plate 8 and the lifting plate 14. The mounting plate 4 is attached to the outer wall of the guide tube 3 near the through-hole 9. An angle grinder 5 is fixedly connected to the center of one side of the mounting plate 4. The output shaft of the angle grinder 5 passes through the through-hole 9 and enters the interior of the guide tube 3. A grinding wheel 6 is fixedly connected to the output end of the angle grinder 5. The grinding wheel 6 is located inside the guide tube 3. The grinding wheel 6 can pass through the through-hole and exit the bottom surface of the connecting plate 102.
[0023] As an optional technical solution of this utility model, a handle 11 is fixedly connected to one side of the top surface of the positioning guide cover 1, and an operating handle 12 is fixedly connected to the side of the top surface of the connecting plate 102 away from the handle 11. The position of the operating handle 12 corresponds to the center of the handle 11, and the handle 11 and the operating handle 12 can be conveniently and flexibly controlled and moved.
[0024] As an optional technical solution of this utility model, abutment plates 2 are fixedly connected to one side of the bottom of the inner side of the two positioning plates 101. The two abutment plates 2 are set perpendicular to each other, and the outer sides of the two abutment plates 2 protrude from the outer wall of the positioning plate 101. The two abutment plates 2 can leave a gap between the corners of the building material and the connecting plate 102 after abutting against the two sides of the building material, so as to prevent grinding.
[0025] As an optional technical solution of this utility model, the lengths of the guide rod 7 and the transmission screw 13 are both adapted to the height of the guide tube 3. The top of the transmission screw 13 extends through the top surface of the guide tube 3 and is fixedly connected to the rotating head 10, so that the guide rod 7 and the transmission screw 13 can drive the angle grinder 5 and the grinding wheel 6 to adjust their lifting distance to match the height of the guide tube 3, and can be easily adjusted by the rotating head 10.
[0026] As an optional technical solution of this utility model, the diameter of the grinding wheel 6 is smaller than the width of the inner wall of the guide square tube 3, the thickness of the grinding wheel 6 is smaller than the left and right distance of the inner wall of the guide square tube 3, and the center line of the grinding wheel 6 corresponds to the center line of the connecting plate 102, so that the center line of the grinding wheel 6 can correspond to the corner line when grinding, and the oblique angles on both sides are symmetrically set during grinding.
[0027] The beveling and grinding device for this building material requires the following steps when used:
[0028] 1) The two positioning plates 101 can abut against the two sides of the corner of the building material, so that the center of the grinding wheel 6 is aligned with the corner of the building material;
[0029] 2) By rotating the transmission screw 13, the lifting plate 14 can be raised or lowered, which in turn raises or lowers the mounting plate 4, so that the angle grinder 5 and the grinding wheel 6 can be raised or lowered. The length of the bottom of the grinding wheel 6 protruding from the bottom surface of the connecting plate 102 can be adjusted, thereby adjusting the grinding feed depth.
[0030] 3) Then, by pushing the two positioning plates 101 to move, the grinding wheel 6 passes through the edges and corners while rotating at high speed, thus achieving the grinding of the edges and corners.
[0031] In summary, the two positioning plates 101 can abut against the two sides of the corner of the building material, thereby aligning the center of the grinding wheel 6 with the corner of the building material. Then, by pushing the two positioning plates 101 to move, the grinding wheel 6 passes through the corner while rotating at high speed, achieving the grinding of the corner. This grinding method, with the positioning plates 101, can prevent the grinding angle from being skewed, making the ground angle smooth. By rotating the transmission screw 13, the lifting plate 14 can be raised or lowered, which in turn drives the mounting plate 4 to be raised or lowered, allowing the angle grinder 5 and the grinding wheel 6 to be raised or lowered. The length of the bottom of the grinding wheel 6 protruding from the bottom surface of the connecting plate 102 can be adjusted, thereby adjusting the grinding feed depth. It can be flexibly adjusted according to actual needs, improving practicality.
[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A bevel edge polishing apparatus for building materials, characterised in that: The utility model provides a positioning guide cover (1) is connected with the positioning plate (101) of two, and the positioning plate (101) is fixedly connected with the connecting plate (102) of two sides, and the positioning plate (101) is perpendicular to each other and is arranged, and the connecting plate (102) top surface center is equipped with strip hole, and the connecting plate (102) top surface is fixedly connected with the guide square tube (3) corresponding position of strip hole, and the guide square tube (3) one side surface middle part is equipped with through strip hole (9), and the guide square tube (3) top side center is fixedly connected with the guide rod (7), and the guide square tube (3) top other side is rotatably connected with transmission screw (13), and the guide rod (7) outer wall is slidably connected with the guide plate (8), and the transmission screw (13) outer wall is threadedly connected with the lifting plate (14), and the guide plate (8) and the lifting plate (14) one side are fixedly connected with the mounting fixed plate (4) together, and the mounting fixed plate (4) and the guide square tube (3) outer wall are close to through strip hole (9) one side surface bonding, and the mounting fixed plate (4) one side surface center is fixedly connected with the angle grinder (5), and the angle grinder (5) output shaft is from through strip hole (9) and is penetrated into the inside of guide square tube (3), and the angle grinder (5) output end is fixedly connected with the polishing grinding wheel (6), and the polishing grinding wheel (6) is in the inside of guide square tube (3), and the polishing grinding wheel (6) can be penetrated from strip hole and out from the connecting plate (102) bottom surface.
2. The apparatus for mitering of building materials according to claim 1, wherein: The positioning guide cover (1) top surface one side is fixedly connected with the handle (11), and the connecting plate (102) top surface is fixedly connected with the operating handle (12) away from the handle (11) one side, and the operating handle (12) and the handle (11) center position correspond.
3. The apparatus of claim 2, wherein: The positioning plate (101) inner side bottom one side of two is fixedly connected with the abutting plate (2), and the abutting plate (2) is perpendicular to each other and is arranged, and the abutting plate (2) outside is protruded from the outer wall of positioning plate (101).
4. The apparatus of claim 3, wherein: The length of the guide rod (7) and transmission screw (13) is adapted to the height of the guide square tube (3), and the transmission screw (13) top penetrates out from the top surface of the guide square tube (3) and is fixedly connected with the rotary head (10).
5. The apparatus of claim 4, wherein: The diameter of the polishing grinding wheel (6) is less than the width of the inner wall of the guide square tube (3), the thickness of the polishing grinding wheel (6) is less than the left-right interval of the inner wall of the guide square tube (3), and the center line of the polishing grinding wheel (6) corresponds to the center line position of the connecting plate (102).