CN209793441U - arc piece excircle grinding tool - Google Patents
arc piece excircle grinding tool Download PDFInfo
- Publication number
- CN209793441U CN209793441U CN201920479097.7U CN201920479097U CN209793441U CN 209793441 U CN209793441 U CN 209793441U CN 201920479097 U CN201920479097 U CN 201920479097U CN 209793441 U CN209793441 U CN 209793441U
- Authority
- CN
- China
- Prior art keywords
- arc
- positioning
- block
- central block
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model belongs to the technical field of the arc piece processing, concretely relates to arc piece excircle grinding frock. This arc piece cylindrical grinding frock includes: a center block; the positioning blocks are fixed on the central block around the circumferential direction of the central block, each positioning block is provided with an arc surface matched with the inner arc surface of the arc piece, and the arc surface is provided with a positioning structure for limiting the arc piece to slide around the central block relative to the positioning blocks; and the limiting structure is used for limiting the separation of the arc sheet and the arc surface. The utility model provides an arc piece cylindrical grinding frock can fix the work piece to the cooperation grinding machine grinds.
Description
Technical Field
the utility model belongs to the technical field of the arc piece processing, concretely relates to arc piece excircle grinding frock.
Background
Because of the technological requirements of the sealing arc piece, the arc piece needs to be processed into the arc piece with the inner and outer circular arcs not concentric, and the arc piece which meets the requirements cannot be directly processed by the prior art. In actual process production, the inner arc surface and the outer arc surface of the arc sheet can be respectively ground to be processed into the arc sheet with the inner arc surface and the outer arc surface being not concentric. During the grinding process, the arc piece needs to be fixed. Because the arc piece has a specific structure, the arc piece needs to be fixed by a corresponding tool and then is ground by a grinding machine.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of prior art, the utility model provides an arc piece excircle grinding frock. The outer circle grinding worker of the arc sheet can fix the workpiece to be matched with the grinding machine for grinding.
The utility model provides a technical scheme as follows:
The utility model provides an arc piece excircle grinding frock, includes:
A center block;
The positioning blocks are fixed on the central block around the circumferential direction of the central block, each positioning block is provided with an arc surface matched with the inner arc surface of the arc piece, and the arc surface is provided with a positioning structure for limiting the arc piece to slide around the central block relative to the positioning blocks;
and the limiting structure is used for limiting the separation of the arc sheet and the arc surface.
Based on above-mentioned technical scheme, the arc piece that is processed can be installed in the locating piece surface. The positioning structure can limit the processed arc sheet to slide relative to the positioning block, and the limiting structure is used for limiting the processed arc sheet to be separated from the arc surface of the positioning block. The arc piece can be limited to move relative to the positioning block by the matching of the positioning structure and the limiting structure, so that the arc piece is fixed. After the arc sheet is fixed, the outer arc surface of the arc sheet can be ground by matching with a grinding machine.
Specifically, the positioning structure comprises at least two positioning pins arranged around the circumference of the central block, each positioning pin is in transition fit with the positioning block, each positioning pin is respectively in compression joint or fit with the side wall of the positioning hole of the arc piece, and each positioning pin is uniformly arranged around the circumference of the inner side of the positioning hole of the arc piece. Specifically, when the number is two, the two positioning pins are respectively positioned at two sides in the positioning holes of the arc sheets.
Based on above-mentioned technical scheme, two locating pins in the locating hole of arc piece can restrict the arc piece and slide in the direction around the circumference of center block. The positioning pin is inserted into the pin hole on the positioning block, and the positioning pin is fixedly connected with the positioning block and can be detached due to transition fit. And subsequently, the positioning pin can be taken out of the pin hole of the positioning block.
Specifically, the limiting structure comprises at least two limiting parts, and each limiting part is detachably connected with the positioning block.
Based on the technical scheme, the disassembly and assembly of the limiting part can be realized, so that the processed arc piece can be conveniently disassembled and assembled.
In particular, the limiting member may be configured as a set screw.
Specifically, one side that the locating piece was kept away from the center block is provided with the arc wall around the circumference setting of center block, the tank bottom of arc wall does the circular arc surface, the locating part is equipped with two, sets up respectively the both sides of arc wall and with the locating piece can be dismantled and be connected, and, each the locating part to extend in the arc wall part and arc piece laminating or crimping.
Based on the technical scheme, the two side walls of the arc-shaped groove can limit the processed arc sheet to move axially along the central block, and the positioning pin is matched to limit the arc sheet to move circumferentially around the central block, so that the arc sheet can be limited to slide relative to the positioning block. Furthermore, the arc sheet can be limited from being separated from the arc surface by the limiting piece.
Specifically, the central block is a waist cylinder; the number of the positioning blocks is two, each positioning block is in an arc-shaped cylindrical shape, and each positioning block is provided with an arc surface which is eccentrically arranged with the central block; the two limiting parts are arranged along the axial direction of the central block.
Specifically, the radius of each positioning block is equal to that of the central block, a cushion block used for separating the positioning block (2) from the central block (1) and enabling an arc surface (201) and the central block to be eccentrically arranged is arranged between the positioning block and the central block, and the positioning block, the cushion block and the central block are fixedly connected through bolts.
Based on above-mentioned technical scheme, can be with locating piece and eccentric settings of centre block through the cushion.
Specifically, a plurality of convex strips are arranged on the arc surface, and each convex strip is arranged around the circumference of the central block.
based on above-mentioned technical scheme, can grind the sand grip surface to make by processing arc piece and sand grip closely laminate or the crimping together.
Specifically, the positioning blocks are uniformly distributed around the circumference of the central block.
Generally, through the utility model provides an arc piece excircle grinding frock, the arc piece mountable that can process is on the locating piece surface. The arc piece can be limited to move relative to the positioning block through the matching of the positioning structure and the limiting structure, so that the arc piece is fixed. After the arc sheet is fixed, the outer arc surface of the arc sheet can be ground by matching with a grinding machine.
drawings
Fig. 1 is a sectional view of the arc piece outer circle grinding tool provided by the utility model.
Fig. 2 is a front view of the arc sheet cylindrical grinding tool provided by the present invention.
fig. 3 is a perspective view of the arc piece outer circle grinding tool provided by the present invention.
In fig. 1, 2 and 3, the structures represented by the reference numerals are listed as follows:
1. The positioning device comprises a center block, 2, a positioning block, 201, an arc surface, 202, a convex strip, 3, a positioning pin, 4, a limiting part, 5, an arc piece, 501, a positioning hole, 6, an inner hexagon bolt, 7 and a cushion block.
Detailed Description
The following description is made for the purpose of illustrating the principles and features of the present invention, and is not intended to limit the scope of the invention.
In one embodiment, as shown in fig. 1, 2 and 3, the arc sheet cylindrical grinding tool includes: a center block 1; and the positioning blocks 2 are fixed on the central block 1 around the circumferential direction of the central block 1. Each positioning block 2 is provided with a circular arc surface 201 matched with the inner circular arc surface of the arc piece 5, and the circular arc surface 201 is provided with a positioning structure for limiting the sliding of the arc piece 5 around the central block 1 relative to the positioning block 2. The limiting structure is used for limiting the arc piece 5 from separating from the arc surface 201. The arc piece 5 is provided with a positioning hole 501.
In one embodiment, as shown in fig. 2 and 3, the positioning structure includes at least two positioning pins 3 disposed around the circumference of the central block 1, each positioning pin 3 is in transition fit with the positioning block 2, each positioning pin 3 is respectively in pressure contact or fit with a side wall of the positioning hole 501 of the arc piece 5, and the two positioning pins 3 are respectively located at two sides in the positioning hole 501 of the arc piece 5.
In one embodiment, as shown in fig. 1, 2 and 3, the limiting structure includes at least two limiting members 4, and each limiting member 4 is detachably connected to the positioning block 2. For example, the limiting member and the positioning block may be in threaded connection or transition fit, and the limiting member 4 may be a set screw.
In one embodiment, an arc-shaped groove is formed around the circumference of the central block 1 on one side of the positioning block 2 away from the central block 1, the bottom of the arc-shaped groove is an arc surface 201, and each of the position-limiting members 4 is detachably connected with the positioning block 2 on both sides of the arc-shaped groove, for example, may be in threaded connection or transition fit. And the part of each limiting part 4 extending towards the arc-shaped groove is attached to or in compression joint with the arc sheet 5.
In one embodiment, as shown in fig. 1, 2 and 3, the central block 1 is a kidney cylinder, the two positioning blocks 2 are arc cylinders, and the radii of the central block 1 and the positioning blocks 2 are equal. The cushion block 7 is arranged between the central block 1 and the positioning block 2, and the positioning block 2 and the central block 1 can be eccentrically arranged, so that the outer arc surface of the processed arc piece 5 can be processed into an outer arc surface eccentric to the inner arc surface of the processed arc piece. Two locating pins 3 are arranged around the circumference of the central block 1, and two limiting parts 4 are arranged along the axial direction of the central block 1, so that the arc sheets 5 to be processed can be limited. An arc-shaped convex strip 202 can be respectively arranged on the arc surface 201 from top to bottom, and each convex strip 202 is arranged around the circumferential direction of the central block 1.
The positioning block 2, the cushion block 7 and the central block 1 are detachably connected. Specifically, the positioning block 2 is provided with a threaded through hole, the cushion block 7 is provided with a corresponding threaded through hole, the center block 1 is provided with a corresponding threaded through hole or a blind hole, and the positioning block 2, the cushion block 7 and the center block 1 can be detachably connected through bolts, such as the hexagon socket head cap screw 6.
In other embodiments, the center block 1 may be a regular prism, for example, a regular triangular prism, a regular quadrangular prism. Each positioning block 2 is an arched column corresponding to the central block 1.
The utility model provides a fixed arc piece 5 of arc piece excircle grinding frock grinds, can be earlier with each locating piece 2 and cushion 7 through on 6 fixed connection of hexagon socket head cap screw and the center block 1. And then the positioning holes 501 of the processed arc sheets 5 are sleeved on the pair of positioning pins 3. And then fixing the processed arc sheet 5 on the positioning block 2 by using a pair of set screws. The central block 1 may be provided with a clamping portion for engaging a toothed disc to secure the central block 1 to the toothed disc for grinding. The positioning block 2 and the central block 1 can be eccentrically arranged, so that the outer arc surface of the processed arc sheet 5 can be processed into an outer arc surface eccentric to the inner arc surface.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The utility model provides an arc piece excircle grinding frock which characterized in that includes:
A center block (1);
The positioning blocks (2) are fixed on the central block (1) around the circumferential direction of the central block (1), each positioning block (2) is provided with an arc surface (201) matched with the inner arc surface of the arc piece (5), and the arc surfaces (201) are provided with positioning structures for limiting the arc pieces (5) to slide around the central block (1) relative to the positioning blocks (2);
And the limiting structure is used for limiting the separation of the arc sheet (5) and the arc surface (201).
2. The arc piece cylindrical grinding tool of claim 1, characterized in that: the positioning structure comprises at least two positioning pins (3) arranged around the circumferential direction of the central block (1), each positioning pin (3) is in transition fit with the positioning block (2), each positioning pin (3) is respectively in compression joint or fit with the side wall of the positioning hole of the arc sheet (5), and the positioning pins (3) are uniformly arranged in the circumferential direction in the positioning holes of the arc sheets (5).
3. The arc piece cylindrical grinding tool of claim 2, characterized in that: the limiting structure comprises at least two limiting parts (4), and each limiting part (4) is detachably connected with the positioning block (2).
4. the arc piece cylindrical grinding tool of claim 3, characterized in that: keep away from locating piece (2) one side of center block (1) is provided with the arc wall around the circumference setting of center block (1), the tank bottom of arc wall does circular arc surface (201), locating part (4) are equipped with two, set up respectively the both sides of arc wall and with locating piece (2) can be dismantled and be connected, and its part is located in the arc wall, each locating part (4) are through being located laminate or crimping with arc piece (5) part in the arc wall.
5. The arc piece cylindrical grinding tool of claim 3, characterized in that: the central block (1) is in a waist cylindrical shape; the number of the positioning blocks (2) is two, each positioning block (2) is in an arc-shaped cylindrical shape, and each positioning block (2) is provided with an arc surface (201) which is eccentrically arranged with the central block; the two limiting parts (4) are arranged along the axial direction of the central block (1).
6. The arc piece cylindrical grinding tool of claim 5, characterized in that: the radius of each positioning block (2) is equal to that of the central block (1), a cushion block (7) used for separating the positioning blocks (2) from the central block (1) and enabling an arc surface (201) and the central block to be eccentrically arranged is arranged between the positioning blocks (2) and the central block (1), and the positioning blocks (2), the cushion block (7) and the central block (1) are fixedly connected through bolts.
7. The arc piece cylindrical grinding tool of claim 1, characterized in that: a plurality of convex strips (202) are arranged on the arc surface (201), and each convex strip (202) is arranged around the circumferential direction of the central block (1).
8. The arc piece cylindrical grinding tool according to any one of claims 1 to 7, characterized in that: the positioning blocks (2) are uniformly distributed around the circumference of the central block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920479097.7U CN209793441U (en) | 2019-04-10 | 2019-04-10 | arc piece excircle grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920479097.7U CN209793441U (en) | 2019-04-10 | 2019-04-10 | arc piece excircle grinding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209793441U true CN209793441U (en) | 2019-12-17 |
Family
ID=68828778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920479097.7U Active CN209793441U (en) | 2019-04-10 | 2019-04-10 | arc piece excircle grinding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209793441U (en) |
-
2019
- 2019-04-10 CN CN201920479097.7U patent/CN209793441U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209793441U (en) | arc piece excircle grinding tool | |
| CN105598262A (en) | Puncher pin assembly | |
| CN202278242U (en) | Universal adapter frame of face milling cutter | |
| CN210549669U (en) | Tool for milling and flattening multiple faces with 90-degree included angle on shaft workpiece | |
| CN208483548U (en) | A kind of automobile fuel pump upper cover plate, lower plate clamp for machining together | |
| CN104070252B (en) | A kind of fixture for being used to be cut in half hollow workpiece | |
| CN217121895U (en) | Two-way clamp for inner milling cutter | |
| CN105150309A (en) | Tool | |
| CN209936681U (en) | Quick assembly disassembly grinds tool | |
| CN108081126B (en) | Clamp for grinding machine | |
| CN210524501U (en) | Milling tool for machining nozzle ring blade | |
| CN109158910B (en) | Shell clamping tool | |
| CN108453542B (en) | Lathe chuck for irregularly-shaped valve body | |
| CN217224529U (en) | Locking auxiliary jig of medical anastomat | |
| CN104259912A (en) | Arc-surface part turning clamp | |
| CN210878600U (en) | Quick clamp for machining oil grooves of plane gasket | |
| CN220389077U (en) | Polishing sheet fixing device of electric polishing tool | |
| CN214720612U (en) | Crankshaft positioning center device | |
| CN205764470U (en) | Laser peeling clamp base | |
| CN211439038U (en) | Combined positioning fixture for bending lever | |
| CN207873765U (en) | A kind of Swash plate tool magazine | |
| CN214392990U (en) | Rotatory adds clamping apparatus of shell fragment piece | |
| CN212886774U (en) | Camera circle flat grinding tool | |
| CN112045030B (en) | Manufacturing process of piston sealing assembly of fuel engine | |
| CN213105694U (en) | Clamp for machining swash plate seat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of peripheral grinding tooling for arcs Effective date of registration: 20220927 Granted publication date: 20191217 Pledgee: Bank of China Limited Jingzhou Branch Pledgor: Hubei Sailiente Petroleum Technology Co.,Ltd. Registration number: Y2022420000332 |