CN219542856U - Bronze CBN grinding wheel grinding head and die structure thereof - Google Patents
Bronze CBN grinding wheel grinding head and die structure thereof Download PDFInfo
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- CN219542856U CN219542856U CN202223579430.2U CN202223579430U CN219542856U CN 219542856 U CN219542856 U CN 219542856U CN 202223579430 U CN202223579430 U CN 202223579430U CN 219542856 U CN219542856 U CN 219542856U
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- positioning hole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Polishing Bodies And Polishing Tools (AREA)
Abstract
The utility model relates to a bronze CBN grinding wheel grinding head and a die structure thereof, wherein the grinding wheel grinding head comprises a metal base body (1), a grinding block (2) is arranged at the top of the metal base body (1), and a convex or concave arc grinding surface (3) is arranged at the top of the grinding block (2). According to the bronze CBN grinding wheel grinding head and the die structure thereof, the grinding blocks are integrally pressed to form the arc surface, so that the accuracy of the arc surface of the grinding blocks can be effectively ensured, and the production efficiency and the qualification rate of the shaver screen are improved.
Description
Technical Field
The utility model relates to a bronze CBN grinding wheel grinding head and a die structure thereof, belonging to the technical field of grinding wheels.
Background
An electric shaver generally includes a stationary shaver cap and a rotating shaver blade positioned below the shaver cap, and beard extending into the shaver cap to be shaved by the shaver blade. The mesh enclosure is an indispensable part of the electric shaver, and due to the characteristic of direct contact with the face of a person, the performance of the mesh enclosure has a relatively important relation to the comfort and safety during shaving.
In order to ensure the surface smoothness of the mesh enclosure, a white corundum ceramic grinding wheel grinding head is generally adopted to grind and polish the mesh enclosure at present. The grinding block of the existing ceramic grinding wheel grinding head consists of an inner ring body and an outer ring body of white corundum, the three ring bodies are bonded to a metal substrate through glue, and as the shape of the screen is circular arc, the surface of the grinding block needs to be manufactured to be matched with the cambered surface of the screen, so that the manufacturing precision requirement on the three ring bodies is high, and the accuracy of the circular arc on the surface of the grinding block is not easy to guarantee; in addition, the abrasion is quicker in the use process of the grinding block, the radian of the grinding block is not easy to maintain, and the phenomenon of inconsistent abrasion of the three ring bodies can also occur frequently.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a bronze CBN grinding wheel grinding head and a die structure thereof aiming at the prior art, wherein a grinding block forms an arc surface through integral pressing, so that the accuracy of the arc surface of the grinding block can be effectively ensured, and the production efficiency and the qualification rate of the net cover grinding of a shaver are improved.
The utility model solves the problems by adopting the following technical scheme: the bronze CBN grinding wheel grinding head comprises a metal base body, wherein a grinding block is arranged at the top of the metal base body, and an outer convex arc grinding surface is arranged at the top of the grinding block.
The bronze CBN grinding wheel grinding head comprises a metal base body, wherein a grinding block is arranged at the top of the metal base body, and a concave arc grinding surface is arranged at the top of the grinding block.
Optionally, the grinding block is vertically provided with an inner annular cutting groove and an outer annular cutting groove, and the annular cutting grooves extend downwards from the top of the grinding block to the top surface of the metal matrix.
Optionally, the top surface of the metal matrix is provided with a plurality of napping grooves, and the material at the bottom part of the grinding block is embedded in the plurality of napping grooves.
Optionally, a first positioning hole is formed in the center of the top of the metal matrix, a through hole is formed in the center of the grinding block, and the position and the size of the through hole correspond to those of the first positioning hole.
Optionally, a mounting hole is formed in the center of the bottom of the metal matrix.
Optionally, the first positioning hole is communicated with the mounting hole through a connecting hole.
Alternatively, the abrasive block is integrally press-formed on top of the metal matrix using a bronze CBN abrasive.
The die structure of the bronze CBN grinding wheel grinding head comprises a die frame, a die cavity is arranged in the center of the die frame, a metal matrix is arranged in the die cavity, a pressing ring is arranged above the metal matrix, and an inward concave or outward convex arc pressing surface is arranged at the bottom of the pressing ring.
Optionally, a second positioning hole is formed in the center of the pressing ring, the position of the second positioning hole corresponds to that of the first positioning hole, and a core is arranged between the first positioning hole and the second positioning hole in a penetrating mode.
Compared with the prior art, the utility model has the advantages that:
1. the grinding block is integrally pressed to form the arc surface, so that the accuracy of the arc on the surface of the grinding block can be effectively ensured, and the production efficiency and qualification rate of the shaver screen are improved;
2. the grinding block is formed by pressing bronze CBN abrasive materials, has good wear resistance and low loss, and can effectively maintain the radian of the surface of the grinding block.
Drawings
FIG. 1 is a schematic diagram of an embodiment 1 of a bronze CBN grinding wheel grinding head according to the utility model.
Fig. 2 is a schematic diagram of a die structure example 1 of a bronze CBN grinding wheel grinder of the present utility model.
Fig. 3 is a schematic structural view of the metal substrate in fig. 2.
Fig. 4 is a schematic structural view of the press ring in fig. 2.
Fig. 5 is a schematic diagram of the core structure of fig. 2.
FIG. 6 is a schematic diagram of the structure of example 2 of a bronze CBN grinding wheel grinding head of the present utility model.
FIG. 7 is a schematic illustration of a die construction example 2 of a bronze CBN grinding wheel grinding head of the present utility model.
Fig. 8 is a schematic structural view of the metal matrix of fig. 7.
Fig. 9 is a schematic structural view of the press ring in fig. 7.
Fig. 10 is a schematic view of the core structure of fig. 7.
Wherein:
metal matrix 1
Grinding block 2
Arc grinding surface 3
Annular cutting groove 4
Napping and grooving 5
First positioning hole 6
Through hole 7
Mounting holes 8
Connecting hole 9
Mold frame 10
Mold cavity 11
Compression ring 12
Arc pressing surface 13
Second positioning hole 14
A core 15.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
Example 1:
as shown in fig. 1, the bronze CBN grinding wheel grinding head in the embodiment comprises a metal base body 1, wherein a grinding block 2 is arranged at the top of the metal base body 1, and an outwards convex arc grinding surface 3 is arranged at the top of the grinding block 2;
the grinding block 2 is integrally pressed and formed on the top of the metal matrix 1 by adopting a bronze CBN abrasive;
an inner annular cutting groove and an outer annular cutting groove 4 are vertically arranged on the grinding block 2;
the annular cutting groove 4 extends downwards from the top of the grinding block 2 to the top surface of the metal matrix 1;
the top surface of the metal matrix 1 is provided with a plurality of napping grooves 5;
the material at the bottom part of the grinding block 2 is embedded in a plurality of napping grooves 5;
the center of the top of the metal matrix 1 is provided with a first positioning hole 6, the center of the grinding block 2 is provided with a through hole 7, and the position and the size of the through hole 7 correspond to those of the first positioning hole 6;
the center of the bottom of the metal matrix 1 is provided with a mounting hole 8;
the first positioning hole 6 is communicated with the mounting hole 8 through a connecting hole 9.
As shown in fig. 2 to 5, the die structure of the bronze CBN grinding wheel grinding head in the embodiment comprises a die frame 10, wherein a die cavity 11 is arranged in the center of the die frame 10, a metal substrate 1 is arranged in the die cavity 11, a pressing ring 12 is arranged above the metal substrate 1, and a concave circular arc pressing surface 13 is arranged at the bottom of the pressing ring 12;
the center of the pressing ring 12 is provided with a second positioning hole 14, the position of the second positioning hole 14 corresponds to that of the first positioning hole 6, and a core 15 is arranged between the first positioning hole 6 and the second positioning hole 14 in a penetrating mode.
Example 2:
as shown in fig. 6, a bronze CBN grinding wheel grinding head in the present embodiment includes a metal base 1, a grinding block 2 is disposed on top of the metal base 1, and a concave arc grinding surface 3 is disposed on top of the grinding block 2;
the grinding block 2 is integrally pressed on the top of the metal matrix 1 by adopting a bronze CBN abrasive;
the top surface of the metal matrix 1 is provided with a plurality of napping grooves 5;
the material at the bottom part of the grinding block 2 is embedded in a plurality of napping grooves 5;
the center of the top of the metal matrix 1 is provided with a first positioning hole 6;
a through hole 7 is formed in the center of the grinding block 2, and the position and the size of the through hole 7 correspond to those of the first positioning hole 6;
the center of the bottom of the metal matrix 1 is provided with a mounting hole 8;
the first positioning hole 6 is communicated with the mounting hole 8 through a connecting hole 9.
As shown in fig. 7 to 10, the die structure of the bronze CBN grinding wheel grinding head in the embodiment comprises a die frame 10, wherein a die cavity 11 is arranged in the center of the die frame 10, a metal substrate 1 is arranged in the die cavity 11, a pressing ring 12 is arranged above the metal substrate 1, and a convex circular arc pressing surface 13 is arranged at the bottom of the pressing ring 12;
the center of the pressing ring 12 is provided with a second positioning hole 14, the position of the second positioning hole 14 corresponds to that of the first positioning hole 6, and a core 15 is arranged between the first positioning hole 6 and the second positioning hole 14 in a penetrating mode.
In addition to the above embodiments, the present utility model also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present utility model.
Claims (9)
1. The bronze CBN grinding wheel grinding head is characterized in that: the novel grinding block comprises a metal base body (1), wherein a grinding block (2) is arranged at the top of the metal base body (1), an outer convex arc grinding surface (3) is arranged at the top of the grinding block (2), an inner annular cutting groove (4) and an outer annular cutting groove (4) are vertically arranged on the grinding block (2), and the annular cutting grooves (4) extend downwards from the top of the grinding block (2) to the top surface of the metal base body (1).
2. The bronze CBN grinding wheel grinding head is characterized in that: the grinding block comprises a metal base body (1), wherein a grinding block (2) is arranged at the top of the metal base body (1), and an inward concave arc grinding surface (3) is arranged at the top of the grinding block (2).
3. A bronze CBN grinding wheel grinding head as claimed in claim 1 or 2, characterized in that: the top surface of the metal matrix (1) is provided with a plurality of napping grooves (5), and partial materials at the bottom of the grinding block (2) are embedded in the plurality of napping grooves (5).
4. A bronze CBN grinding wheel grinding head as claimed in claim 1 or 2, characterized in that: the grinding block is characterized in that a first positioning hole (6) is formed in the center of the top of the metal matrix (1), a through hole (7) is formed in the center of the grinding block (2), and the position and the size of the through hole (7) correspond to those of the first positioning hole (6).
5. A bronze CBN grinding wheel head as in claim 4, wherein: the center of the bottom of the metal matrix (1) is provided with a mounting hole (8).
6. A bronze CBN grinding wheel head as in claim 5, wherein: the first positioning holes (6) are communicated with the mounting holes (8) through connecting holes (9).
7. A bronze CBN grinding wheel grinding head as claimed in claim 1 or 2, characterized in that: the grinding block (2) is integrally pressed and formed on the top of the metal matrix (1) by adopting a bronze CBN abrasive.
8. The utility model provides a mould structure of bronze CBN emery wheel bistrique which characterized in that: the novel plastic die comprises a die frame (10), a die cavity (11) is arranged at the center of the die frame (10), a metal substrate (1) is arranged in the die cavity (11), a pressing ring (12) is arranged above the metal substrate (1), and an inward concave or outward convex arc pressing surface (13) is arranged at the bottom of the pressing ring (12).
9. A die structure for a bronze CBN grinding wheel grinding head as set forth in claim 8, wherein: the center of the pressing ring (12) is provided with a second positioning hole (14), the position of the second positioning hole (14) corresponds to that of the first positioning hole (6), and a core (15) is arranged between the first positioning hole (6) and the second positioning hole (14) in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223579430.2U CN219542856U (en) | 2022-12-31 | 2022-12-31 | Bronze CBN grinding wheel grinding head and die structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223579430.2U CN219542856U (en) | 2022-12-31 | 2022-12-31 | Bronze CBN grinding wheel grinding head and die structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219542856U true CN219542856U (en) | 2023-08-18 |
Family
ID=87729048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223579430.2U Active CN219542856U (en) | 2022-12-31 | 2022-12-31 | Bronze CBN grinding wheel grinding head and die structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219542856U (en) |
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2022
- 2022-12-31 CN CN202223579430.2U patent/CN219542856U/en active Active
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