Adjustable grinding head
By designing an adjustable grinding head, the grinding mode can be adjusted according to the material properties, extending the service life and improving the grinding efficiency of hard materials, thus solving the problem of rapid wear of traditional grinding heads.
Patent Information
- Application Number
- CN202520390442.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Traditional grinding heads have a single grinding surface that wears out quickly when grinding hard materials, resulting in a short service life, and cannot be adjusted according to the characteristics of the material.
An adjustable grinding head is designed, comprising a grinding surface, a drive shaft, an internal cavity, an adjustment hole, an adjustment block, a threaded adjustment column, a rotary handle, an external sealing assembly, and various grinding head components. The adjustableness and protection of the grinding head components are achieved by rotating the adjustment column and the sealing assembly. The use of various grinding head components can adapt to materials of different materials and shapes.
It extends the service life of the grinding head, improves the grinding efficiency of hard materials, protects the grinding surface, and adapts to the needs of materials of different materials and shapes.
Smart Images
Figure CN223947634U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of grinding head, especially to a regulating grinding head. BACKGROUND
[0002] Grinding head is a small grinding tool with handle, which is widely used in electric grinder, hanging grinder, hand drill and other equipment, and is used for grinding, polishing, finishing and other processing of various materials. Common grinding heads are flat or pointed.
[0003] During use, the conventional flat grinding head has only one conventional grinding surface. When the material to be ground is hard or other grinding requirements are encountered, the grinding surface cannot be adjusted according to the material to be ground. The single grinding surface will wear out more quickly when grinding hard materials, reducing the service life of the grinding head. Therefore, a regulating grinding head is proposed. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides a regulating grinding head to solve the above problems.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A regulating grinding head comprises a grinding head, a grinding surface is arranged on one side of the grinding head, a driving shaft is arranged on the other side of the grinding head, an internal cavity is arranged in the grinding head, a plurality of adjusting holes are formed in the inner wall of the internal cavity, adjusting blocks are installed in the adjusting holes, a depth adjustment assembly is arranged on the grinding head, the depth adjustment assembly is connected with the adjusting blocks, a moving and positioning assembly is arranged between the adjusting blocks and the internal cavity, and a plurality of grinding head assemblies are arranged on the side portions of the adjusting blocks.
[0007] Preferably, the depth adjustment assembly comprises a threaded adjusting column rotatably installed on the side portion of the adjusting block, a threaded hole is formed in the inner wall of the internal cavity, and one end of the threaded adjusting column is threaded through the threaded hole.
[0008] Preferably, one end of the threaded hole is fixedly installed with a rotating handle, an external sealing assembly is arranged on the side portion of the grinding head, and the rotating handle is located in the external sealing assembly.
[0009] Preferably, the external sealing assembly comprises an external screw ring fixedly installed on the side portion of the grinding head, and a sealing nut is threadedly installed on the external screw ring.
[0010] Preferably, the moving and positioning assembly comprises an extension sleeve fixedly installed on the side portion of the adjusting block, a moving sleeve is fixedly installed on the inner wall of the internal cavity, and one end of the moving sleeve extends into the extension sleeve.
[0011] Preferably, the adjusting holes are arranged in a circumferential array.
[0012] Preferably, the grinding head assembly comprises a cylindrical head, a semicircular head, a sawtooth head and a strip-shaped head arranged at the side of the adjusting block.
[0013] Compared with the prior art, the adjusting type grinding head has the advantages that: the depth adjusting assembly is arranged, when the hardness of the material to be ground is high, the rotating threaded adjusting column can drive the grinding head assembly to move out of the adjusting hole, the grinding head assembly can grind the material first in the process of rotating grinding, direct use of the grinding surface is avoided, the grinding surface is not damaged, the grinding head assembly is added, the grinding can be faster, the external sealing assembly is arranged, the rotating handle part is protected.
[0014] The grinding head assembly is arranged in multiple types, has high hardness, can be selected according to different material or different shape structure of the material, and has stronger functionality. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structure schematic view of the utility model from the bottom view;
[0016] Figure 2 It is a structure schematic view of the utility model from the top view;
[0017] Figure 3 It is a structure schematic view of the utility model from the section view;
[0018] Figure 4 It is a structure schematic view of the utility model from the bottom view; Figure 3 It is a structure schematic view of the utility model from the bottom view;
[0019] In the drawing: 1, grinding head; 2, grinding surface; 3, driving shaft; 4, internal cavity; 5, adjusting hole; 6, adjusting block; 7, threaded adjusting column; 8, threaded hole; 9, rotating handle; 10, telescopic sleeve; 11, moving sleeve; 12, external screw ring; 13, sealing nut; 14, cylindrical head; 15, semicircular head; 16, sawtooth head; 17, strip-shaped head. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0021] Embodiment: refer to Figures 1-4The utility model provides a kind of adjustable grinding head, including grinding head 1, grinding face 2 is provided on one side of grinding head 1, driving shaft 3 is provided on the other side of grinding head 1, driving shaft 3 is connected with grinding head 1 using traditional bolt positioning, or other mode's fixed connection, internal cavity 4 is provided in grinding head 1, several adjusting holes 5 are opened on the inner wall of internal cavity 4, adjusting block 6 is installed in adjusting hole 5, depth adjustment assembly is provided on grinding head 1, depth adjustment assembly is connected with adjusting block 6, moving positioning assembly is provided between adjusting block 6 and internal cavity 4, the side of several adjusting blocks 6 is provided with mill head assembly respectively.
[0022] Specifically, the depth adjustment assembly includes a threaded adjusting column 7 rotatably installed on the side of the adjusting block 6, a threaded hole 8 is opened on the inner wall of the internal cavity 4, one end of the threaded adjusting column 7 is threaded through the threaded hole 8, and a rotating handle 9 is fixedly installed at one end of the threaded hole 8. The side of the grinding head 1 is provided with an external sealing assembly, and the rotating handle 9 is located in the external sealing assembly. When the hardness of the material to be ground is relatively high, the sealing nut 13 on the external sealing assembly is rotated to open, and after the sealing nut 13 is rotated to open, the corresponding internal rotating handle 9 can be rotated. After the rotating handle 9 is rotated, the adjusting block 6 moves, and after the adjusting block 6 moves, the corresponding mill head assembly moves out of the adjusting hole 5. At this time, during the rotating grinding process of the grinding head 1, the mill head assembly can first grind the material. The external sealing assembly includes an external screw ring 12 fixedly installed on the side of the grinding head 1, and a sealing nut 13 is threadedly installed on the external screw ring 12. The external sealing assembly is arranged to protect the rotating handle 9 from falling powder during grinding.
[0023] Specifically, the adjusting hole 5 is provided with four and is arranged in a circumferential array. The mill head assembly includes a cylindrical head 14, a semicircular head 15, a sawtooth head 16 and a strip-shaped head 17 arranged on the side of the adjusting block 6. The mill head assembly is made of chromium steel and has good hardness. The mill head assembly is provided with multiple, which can be selected according to different materials or different shape structures of the material. The mill head assembly can first grind and crush the harder material, avoid direct use of the grinding face 2 to grind, and cause damage to the grinding face 2. In addition, the addition of the mill head assembly can grind more quickly.
[0024] Specifically, the moving positioning assembly includes a telescopic sleeve 10 fixedly installed on the side of the adjusting block 6, and a moving sleeve 11 is fixedly installed on the inner wall of the internal cavity 4. One end of the moving sleeve 11 extends into the telescopic sleeve 10. The moving sleeve 11 on the moving positioning assembly moves in the telescopic sleeve 10, which can limit the position of the adjusting block 6. The adjusting block 6 is fittedly installed in the adjusting hole 5, and the ground material will not enter the internal cavity 4 from the adjusting hole 5.
[0025] In use: use the grinding surface 2 to grind the material, when the hardness of the grinding material is hard, rotate the sealing nut 13, rotate the corresponding internal rotating handle 9, thereby moving the position of the adjusting block 6, and moving the corresponding grinding head assembly out of the adjusting hole 5, at this time, the grinding head 1 can grind the material in the process of rotating grinding, the grinding head assembly is made of chromium steel, has good hardness, and is provided with multiple grinding head assemblies, which can be selected according to different materials or different shapes of materials, the grinding head assembly can grind the hard material first, avoids damage to the grinding surface 2, and adds the grinding head assembly, so that the grinding can be faster.
[0026] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A conditioning abrasive head comprising an abrasive head (1), characterized in that, The side of the grinding head (1) is provided with a grinding surface (2), the other side of the grinding head (1) is provided with a driving shaft (3), the grinding head (1) is provided with an internal cavity (4), a plurality of adjusting holes (5) are formed in the inner wall of the internal cavity (4), adjusting blocks (6) are installed in the adjusting holes (5), the grinding head (1) is provided with a depth adjusting assembly, the depth adjusting assembly is connected with the adjusting blocks (6), a moving positioning assembly is arranged between the adjusting blocks (6) and the internal cavity (4), and the side of each adjusting block (6) is provided with a grinding head assembly.
2. The adjustable polishing head of claim 1, wherein, The depth adjusting assembly comprises a threaded adjusting column (7) rotatably installed on the side of the adjusting block (6), a threaded hole (8) is formed in the inner wall of the internal cavity (4), and one end of the threaded adjusting column (7) is threadedly penetrated through the threaded hole (8).
3. The adjustable polishing head of claim 2, wherein, One end of the threaded hole (8) is fixedly installed with a rotating handle (9), the side of the grinding head (1) is provided with an external sealing assembly, and the rotating handle (9) is located in the external sealing assembly.
4. The adjustable polishing head of claim 3, wherein, The external sealing assembly comprises an external screw ring (12) fixedly installed on the side of the grinding head (1), and a sealing nut (13) is threadedly installed on the external screw ring (12).
5. The adjustable polishing head of claim 1, wherein, The moving positioning assembly comprises a telescopic sleeve (10) fixedly installed on the side of the adjusting block (6), and a moving sleeve (11) is fixedly installed on the inner wall of the internal cavity (4), one end of the moving sleeve (11) extends into the telescopic sleeve (10).
6. The adjustable polishing head of claim 1, wherein, The adjusting holes (5) are four in number and are arranged in a circumferential array.
7. The adjustable polishing head of claim 1, wherein, The grinding head assembly comprises a cylindrical head (14), a semicircular head (15), a sawtooth head (16) and a strip-shaped head (17) arranged on the side of the adjusting block (6).