CN211465610U - Flange plate part step hole boring clamp - Google Patents
Flange plate part step hole boring clamp Download PDFInfo
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- CN211465610U CN211465610U CN201921667405.5U CN201921667405U CN211465610U CN 211465610 U CN211465610 U CN 211465610U CN 201921667405 U CN201921667405 U CN 201921667405U CN 211465610 U CN211465610 U CN 211465610U
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Abstract
The utility model relates to a bore hole anchor clamps in flange dish class part step hole belongs to the machine-building field. A stepped hole boring clamp for flange plate parts comprises a clamp base, a positioning pin, a compression bolt and a compression nut; one end of the clamp base is provided with an installation part fixed with a lathe clamping jaw, and the other end of the clamp base is used for placing a flange plate; the clamp comprises a clamp base, a flange plate and a through hole A, wherein the through hole A is axially arranged along the clamp base, the through hole A corresponds to the position of a central hole of the flange plate, the flange plate is limited on the clamp base through an inserted compression bolt and a compression nut in threaded connection with the compression bolt, and the through hole B corresponds to the position of an initial hole of a step hole of the flange plate and is positioned through a positioning pin. The utility model has the advantages of as follows: 1. the processing size precision and the surface roughness of the stepped hole of the flange part are improved; 2. the defects of the surface roughness, the coaxiality and the verticality of the inner hole of the step are overcome; 3. the rapid positioning, clamping and machining of the stepped holes of the flange plate type parts are realized; 4. the structure is simple; 5. the clamping position of a similar workpiece can be freely adjusted for processing; 6. the skill requirement on operators is reduced.
Description
Technical Field
The utility model relates to a bore hole anchor clamps in flange dish class part step hole belongs to the machine-building field.
Background
In many flange plate products, in order to meet the assembly requirements of the products, a countersunk step hole is designed in the upper hole of the flange plate, and the step hole must meet the requirements of coaxiality with a bottom hole and verticality of an end face so as to meet the final assembly test requirements of the products. The previous processing scheme of the step hole on the flange plate is as follows: the method comprises the steps of processing a bottom hole by a driller, drilling and reaming a stepped hole by the driller, testing product trial assembly, and carrying out qualified continuous circulation/unqualified product scrapping. The machining method is low in efficiency and high in requirement on the skill of operators, the coaxiality and the verticality of the machined stepped hole in the flange plate are difficult to meet the requirement of product assembly testing, and the machining yield of the product is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that prior art center exists, a flange dish class part step hole bore hole anchor clamps that processing is accurate, the clamping is quick is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a stepped hole boring clamp for flange plate parts comprises a clamp base, a positioning pin, a compression bolt and a compression nut; one end of the clamp base is provided with an installation part fixed with a lathe clamping jaw, and the other end of the clamp base is used for placing a flange plate; the clamp comprises a clamp base, a flange plate and a through hole A, wherein the through hole A is axially arranged along the clamp base, the through hole A corresponds to the position of a central hole of the flange plate, the flange plate is limited on the clamp base through an inserted compression bolt and a compression nut in threaded connection with the compression bolt, and the through hole B corresponds to the position of an initial hole of a step hole of the flange plate and is positioned through a positioning pin.
Preferably, the positioning pin is a positioning step pin, the small end of the positioning pin is inserted into the through hole B, and the large end of the positioning pin is inserted into the initial hole of the step hole of the flange plate.
Preferably, the through hole a is a step kidney-shaped groove.
Preferably, the compression bolts are penetrated with flange inner hole supporting bushings, the outer diameter of which is matched with the inner diameter of the flange central hole and is used for supporting the flange.
Preferably, an open compression washer is provided between the compression nut and the flange for preventing crushing of the flange.
The design principle is as follows: the bottom hole of a flange plate workpiece is positioned with the end face of a clamp base, an inner hole supports a bushing to support a product, an opening compression washer protects the product, and a compression bolt and a compression nut are used for tightly boring a step hole on a flange plate so as to meet the requirements of the step hole on the flange plate on size, surface roughness, coaxiality and verticality and finally guarantee the requirements of product assembly testing.
Compared with the prior art, the utility model has the advantages of as follows:
1. the processing size precision and the surface roughness of the stepped hole of the flange part are improved, and the form and position tolerance of the stepped hole is ensured to meet the requirements of assembly and test;
2. the defects that the surface roughness, the coaxiality and the verticality of the inner hole of the step of the flange plate part are difficult to guarantee by common drilling and reaming machining are overcome;
3. the rapid positioning, clamping and machining of the stepped holes of the flange plate type parts are realized;
4. the structure is simple, the lathe boring fixture can be repeatedly used, and the lathe boring fixture is not easy to damage;
5. the clamping position of a similar workpiece can be freely adjusted for processing;
6. the rapid workpiece clamping is realized by adopting the opening compression washer, the clamping machining efficiency of parts is improved, and the skill requirement on operators is reduced.
Drawings
FIG. 1 is a schematic view of the embodiment of the present invention for machining a clamped part;
FIG. 2 is a schematic view of the jaw arrangement of FIG. 1 without the lathe;
FIG. 3 is a schematic view of the boring lathe fixture base of FIG. 1;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a schematic view of the flange workpiece of FIG. 1;
in the figure, S1, boring lathe fixture base; s2, flange plate workpieces; s3, positioning a step pin; s4, lining an inner hole of the flange plate; s5, pressing bolts; s6, pressing a nut; s7, opening a compression washer; s8, lathe jaws.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1-5: as shown in fig. 1-2, a flange part step hole boring fixture for finish machining a step hole initial hole of a flange workpiece S2 comprises a boring lathe fixture base S1, a positioning step pin S3, a flange inner hole bush S4, a hold-down bolt S5, a hold-down nut S6 and an opening hold-down washer S7; one end of the boring lathe clamp base S1 is provided with a mounting part fixed with a lathe jaw S8, and the other end of the boring lathe clamp base is used for placing a flange plate workpiece S2; a through hole A and a through hole B are axially arranged along the boring lathe clamp base S1, the through hole A is a step kidney-shaped groove and corresponds to the position of a central hole of a flange plate workpiece S2, the flange plate workpiece S2 is limited on the boring lathe clamp base S1 through an inserted compression bolt S5 and a compression nut S6 screwed with the compression bolt S5, and the through hole B corresponds to the position of a step hole initial hole of a flange plate workpiece S2 and is positioned through a positioning step pin S3; the small end of the positioning step pin S3 is inserted into the through hole B, and the large end is inserted into the initial hole of the step hole of the flange plate workpiece S2.
In one embodiment of the present invention, the flange inner hole bushing S4 is inserted into the pressing bolt S5, and its outer diameter is adapted to the inner diameter of the central hole of the flange workpiece, so as to support the flange workpiece S2.
In one embodiment of the present invention, an open hold-down washer S7 is provided between the hold-down nut S6 and the flange workpiece S2 for preventing crush damage to the flange workpiece.
As shown in fig. 3-4, the boring lathe fixture base S1 can be adjusted and positioned according to the size of the flange workpiece S2 and the size of the bottom hole of the step hole in the flange workpiece.
As shown in fig. 5, the step holes to be bored in the flange workpiece S2 may be uniformly distributed or non-uniformly distributed, but the initial hole of the step hole in the flange workpiece needs to be machined in advance, so as to be clamped and positioned during subsequent boring.
The positioning step pin S3 can be properly selected and replaced according to the size and the dimensional accuracy of the initial hole of the step hole on the flange plate workpiece.
The flange inner hole bush S4 is used for supporting a flange workpiece, and the size and the precision of the excircle of the flange inner hole bush are properly selected and replaced.
The pressing bolt S5 is used for pressing the flange plate workpiece.
The compression nut S6 is used to compress the flange workpiece.
The opening pressing washer S7 is used for preventing the flange plate workpiece from being crushed and can realize quick clamping of the flange plate workpiece.
The boring fixture can be used for boring a step hole on a flange part by a lathe, and can well ensure the coaxiality of the step hole and a bottom hole and the verticality requirement of the flange end face, as shown in figure 1, the specific implementation steps are as follows:
1. firstly, a compression bolt S5 penetrates through a step kidney-shaped groove of a boring lathe fixture base S1, then a clamping boss (also can be designed into a standard taper shank form) of the boring lathe fixture base S1 is clamped in a lathe claw S8, and the end face of the fixture is clamped after being flatly attached to the lathe claw;
2. inserting the positioning step pin S3 into a boring lathe fixture base S1, wherein the size of the large end of the positioning step pin can be prepared according to the size of an initial hole of a step hole on a flange plate workpiece;
3. the inner hole bush of the flange plate is penetrated into a compression bolt S5, and the inner hole bush S4 of the flange plate can be prepared according to the size of a compression mounting hole on a flange plate workpiece;
4. adjusting a sliding hold-down bolt S5 to a proper position in a step waist-shaped hole of a boring lathe clamp base S1, penetrating a flange plate workpiece S2 into the hold-down bolt S5 and a flange plate inner hole bushing S4, and simultaneously inserting a step hole initial hole to be bored into a positioning step pin S3;
5. checking clamping and positioning conditions of a flange plate workpiece S2 on a boring lathe clamp base S1, penetrating an opening compression washer S7 and a compression nut S6 into a compression bolt S5 after the clamping and positioning conditions are met, and compressing the flange plate workpiece by the compression nut S6;
6. after tool setting, a step hole in the flange plate workpiece is bored, after boring is completed, the compression nut S6 and the opening compression washer S7 are loosened, and the flange plate workpiece S2 is taken down;
7. and repeating the rest step holes on the flange workpiece S2 according to the operation contents of the steps 1-6 until all the step holes on the flange are processed.
The above embodiments are merely preferred embodiments of the present invention, and do not limit the present invention.
Claims (5)
1. The utility model provides a flange dish class part step hole bore hole anchor clamps which characterized in that: the clamp comprises a clamp base, a positioning pin, a compression bolt and a compression nut; one end of the clamp base is provided with an installation part fixed with a lathe clamping jaw, and the other end of the clamp base is used for placing a flange plate; the clamp comprises a clamp base, a flange plate and a through hole A, wherein the through hole A is axially arranged along the clamp base, the through hole A corresponds to the position of a central hole of the flange plate, the flange plate is limited on the clamp base through an inserted compression bolt and a compression nut in threaded connection with the compression bolt, and the through hole B corresponds to the position of an initial hole of a step hole of the flange plate and is positioned through a positioning pin.
2. The flange plate type part stepped hole boring clamp as claimed in claim 1, wherein: the positioning pin is a positioning step pin, the small end of the positioning pin is inserted into the through hole B, and the large end of the positioning pin is inserted into the initial hole of the step hole of the flange plate.
3. The flange plate type part stepped hole boring clamp as claimed in claim 1, wherein: the through hole A is a step kidney-shaped groove.
4. The flange plate type part stepped hole boring clamp as claimed in claim 1, wherein: and a flange inner hole supporting bush is penetrated on the compression bolt, and the outer diameter of the compression bolt is matched with the inner diameter of the central hole of the flange and is used for supporting the flange.
5. The flange plate type part stepped hole boring clamp as claimed in claim 1, wherein: an opening compression washer is arranged between the compression nut and the flange plate and used for preventing the flange plate from being crushed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921667405.5U CN211465610U (en) | 2019-10-08 | 2019-10-08 | Flange plate part step hole boring clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921667405.5U CN211465610U (en) | 2019-10-08 | 2019-10-08 | Flange plate part step hole boring clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211465610U true CN211465610U (en) | 2020-09-11 |
Family
ID=72378590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921667405.5U Active CN211465610U (en) | 2019-10-08 | 2019-10-08 | Flange plate part step hole boring clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211465610U (en) |
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2019
- 2019-10-08 CN CN201921667405.5U patent/CN211465610U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Nanchang high tech Industrial Development Zone, Jiangxi Province Patentee after: JIANGXI HONGDU AVIATION INDUSTRY GROUP Co.,Ltd. Address before: 330000 Jiangxi city in Nanchang Province, the new bridge box 460 box 5001 Patentee before: JIANGXI HONGDU AVIATION INDUSTRY GROUP Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |