CN212444354U - Angle valve adds clamping apparatus - Google Patents
Angle valve adds clamping apparatus Download PDFInfo
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- CN212444354U CN212444354U CN202021216419.8U CN202021216419U CN212444354U CN 212444354 U CN212444354 U CN 212444354U CN 202021216419 U CN202021216419 U CN 202021216419U CN 212444354 U CN212444354 U CN 212444354U
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- angle valve
- clamping seat
- holder
- positioning
- valve body
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Abstract
The utility model provides an angle valve adds clamping apparatus belongs to mechanical technical field. The fixture solves the problems that the valve body of the existing fixture clamping angle valve is not accurately positioned and the like. This angle valve adds clamping apparatus, install on rotatory graduation chuck, including last holder and lower holder, go up holder and holder components of a whole that can function independently setting down and can draw close in opposite directions and keep away from each other mutually, be provided with the cavity on the lower terminal surface of going up the holder, be provided with cavity down on the up end of lower holder, be fixed with the location strip on the side of going up the holder, have the constant head tank corresponding with the location strip on the side of lower holder, the last side of constant head tank sets up the opening, the location strip inserts in the constant head tank and can slide from top to bottom in the constant head tank through the opening, when going up holder and lower holder and drawing close, go up cavity and recessed chamber and can constitute with angle valve body appearance assorted fixed chamber. The angle valve machining clamp can accurately clamp and position the angle valve body.
Description
Technical Field
The utility model belongs to the technical field of machinery, a angle valve adds clamping apparatus is related to.
Background
The valve is used for controlling the medium in the pipeline and is a mechanical product with a movable mechanism. The angle valve is one of valves, and the axial directions of an inlet and an outlet in a valve body of the angle valve are mutually vertical. Besides the inlet and the outlet, the angle valve also has an inner cavity for installing the valve core. When the inner cavity, the inlet end and the outlet end of the angle valve body are machined on a common lathe, only one part can be machined by clamping at one time, so that the inner cavity, the inlet end and the outlet end are machined by clamping three times.
Chinese patent literature discloses a turning attachment for machining small-lot three-way workpieces [ application number: CN 201711495764.2; publication number: CN 108044377A ], comprises a clamp body and a three-way workpiece holding seat, wherein a countersunk screw is arranged on the three-way workpiece holding seat, the three-way workpiece is fixed through the countersunk screw, the clamp body is arranged on a numerical control lathe, and one end of the clamp body is matched with an inner hole of a main shaft; the other end of the clamp body is provided with a groove, the three-way workpiece holding seat is placed in the groove, a locking screw is arranged on the top surface of one end, provided with the groove, of the clamp body, and a positioning concave surface used for positioning the three-way workpiece holding seat is arranged at the bottom of one end, provided with the groove, of the clamp body. When the fixture is used, a workpiece is fixed on the three-way workpiece holding seat, then the three-way workpiece holding seat is installed in the groove of the fixture body, and the three-way workpiece holding seat is fixed through the positioning concave surface and the locking screw. When the tee joint workpiece needs to be rotated, the locking screw needs to be unscrewed manually, and the use is inconvenient.
The index collet is a fixture capable of indexing a workpiece and is commonly used on a lathe. As disclosed in chinese patent document, a rotary index chuck [ application No.: cn01229473. x; the notice number is: CN2486265Y ], comprising a body, a jacking mechanism and an indexing device. The body is installed on the main shaft of the machine tool and can rotate along with the main shaft of the machine tool, a workpiece is fixed on the retaining seat, the retaining seat is installed in the containing chamber of the body and is fixed through the jacking mechanism, and then the indexing device is used for automatic rotary indexing. However, the general holding seat, such as the three-way workpiece holding seat in CN201711495764.2, is positioned only by the countersunk head screw, and the positioning is not accurate.
Disclosure of Invention
The utility model aims at the above-mentioned problem that prior art exists, provide an angle valve adds clamping apparatus, solved the unsafe technical problem in current anchor clamps clamping angle valve body location.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides an angle valve adds clamping apparatus installs on rotatory graduation chuck, includes holder and lower holder, its characterized in that, it sets up and can draw close and carry on the back mutually with holder components of a whole that can function independently down to go up the holder, be provided with the cavity on the lower terminal surface of last holder, be provided with down the cavity on the up end of holder down, be fixed with the location strip on going up the side of holder, have the constant head tank corresponding with the location strip down on the side of holder, the last side of constant head tank sets up the opening, the location strip inserts in the constant head tank and can slide from top to bottom in the constant head tank through the opening, when last holder and lower holder draw close, go up the cavity and lower concave cavity and can constitute the fixed chamber with angle valve body appearance assorted.
When the positioning device is used, the lower clamping seat can be fixed on a rotating shaft of the dividing device, the upper clamping seat is fixed on an ejector rod of the jacking mechanism, and the positioning strip is inserted into the positioning groove to align the lower clamping seat and the upper clamping seat, so that the upper clamping seat and the lower clamping seat are accurately positioned. When clamping the angle valve body before processing, go up the holder upward movement and make the holder keep away from lower holder, the location strip upwards slides in the constant head tank, then place the valve body of angle valve in the lower cavity of lower holder, the ejector pin downstream of top holding mechanism makes last holder and lower holder draw close, the location strip slides downwards in the constant head tank, go up the cavity and constitute fixed chamber with lower concave chamber, the chamber wall of lower cavity and the chamber wall face of last cavity paste and form the positioning action to the valve body of angle valve on the surface of angle valve body, and make the angle valve body fix between lower holder and last holder through top holding mechanism. When the angle valve body is clamped, the positioning strip slides up and down and is always positioned in the positioning groove, so that the accuracy of positioning the angle valve body by the lower clamping seat and the upper clamping seat is ensured. Therefore, the angle valve machining clamp can accurately clamp and position the angle valve body.
In the angle valve machining clamp, when the upper clamping seat and the lower clamping seat are close to each other and clamp the angle valve body, a gap is formed between the lower end face of the upper clamping seat and the upper end face of the lower clamping seat. The existence in space can avoid taking place between the lower terminal surface of last holder and the up end of lower holder to support and lean on to guarantee that the angle valve body can fix a position and press from both sides tightly through the chamber wall of last cavity and the chamber wall face of cavity down, guaranteed the accuracy of angle valve body location.
In the angle valve machining clamp, the inner side surface of the positioning strip abuts against the bottom surface of the positioning groove. The upper clamping seat and the lower clamping seat are accurately positioned by the arrangement, so that the angle valve machining clamp can accurately clamp and position the valve body of the angle valve.
In foretell angle valve adds clamping apparatus, the left surface of location strip is relative with the left surface of constant head tank, the right flank of location strip is relative with the right flank of constant head tank, the left surface of location strip is parallel with the right flank of location strip, the left surface of constant head tank is parallel with the right flank of constant head tank, the width that the orientation strip left and right sides was ascending slightly is less than the width that the constant head tank left and right sides was ascending, and the difference between the width that the ascending width of constant head tank left and right sides and the width that the location strip left and right sides was ascending is between 0.15mm-0.05 mm. Therefore, the positioning strip and the positioning groove can be positioned, and the positioning strip can be prevented from being clamped in the positioning groove, so that the clamp is stable to use.
In the angle valve machining clamp, the lower end face of the positioning strip is provided with a guide surface protruding outwards. The guide surface has a guide function, so that the positioning strip can be conveniently inserted into the positioning groove.
In the angle valve machining clamp, a fixing groove is formed in the side face of the upper clamping seat, and the positioning strip is fixed in the fixing groove. The fixed slot has the positioning action, makes things convenient for the installation of location strip.
In the angle valve machining clamp, the positioning strip is fixed on the upper clamping seat through a screw, and the rod part of the screw penetrates through the positioning strip and is in threaded connection with the upper clamping seat. The positioning strip is fixed conveniently by fixing the positioning strip through the screw.
Compared with the prior art, the utility model has the advantages of it is following:
go up the holder and form the fixed chamber of constituteing by last cavity and lower concave chamber between last holder and the lower holder after the holder draws close down with lower holder, fixed chamber and angle valve body's appearance phase-match, go up holder and lower holder draw close can fix a position and can press from both sides tight angle valve body to the angle valve body, make through location strip and constant head tank go up the holder and fix a position accurately with lower holder, make this angle valve processing anchor clamps can press from both sides tight angle valve body and can fix a position accurately. When the upper clamping seat and the lower clamping seat are closed and clamp the angle valve body, a gap is formed between the upper clamping seat and the lower clamping seat, so that the angle valve body is accurately positioned through the upper clamping seat and the lower clamping seat. The inner side surface of the positioning strip is attached to the bottom surface of the positioning groove, so that the upper clamping seat and the lower clamping seat are accurately positioned.
Drawings
FIG. 1 is a perspective view of an angle valve body;
FIG. 2 is a perspective view of the present angle valve machining jig;
FIG. 3 is a perspective view of the angle valve machining jig clamping the valve body of the angle valve;
FIG. 4 is a perspective view of an upper clamp seat in the present angle valve machining clamp;
FIG. 5 is a perspective view of a lower clamp seat in the present angle valve machining clamp;
fig. 6 is a perspective view of the angle valve machining jig when mounted in a rotary index chuck to hold an angle valve body.
In the figure, 1, a valve body; 1a, a water inlet end; 1b, a water outlet end; 1c, an inner cavity; 2. rotating the indexing chuck; 2a, a body; 2b, mounting a cavity; 2c, a mandril; 2d, a rotating shaft; 3. an upper clamping seat; 3a, an upper concave cavity; 3b, fixing grooves; 4. a positioning bar; 4a, a guide surface; 5. a screw; 6. a lower clamping seat; 6a, a concave cavity; 6b, positioning grooves; 6c, opening; 7. a fixed cavity; 8. a void.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example one
As shown in figure 1, the angle valve comprises a valve body 1, wherein a water inlet end 1a and a water outlet end 1b which are vertically arranged are arranged on the valve body 1, an inner cavity 1c is arranged in the valve body 1, the inner cavity 1c and the water inlet end 1a are coaxially arranged, and the installation port of the inner cavity 1c is opposite to the water inlet of the water inlet end 1a in direction.
As shown in fig. 2 to 6, an angle valve machining fixture is mounted on a rotary indexing chuck 2, and includes an upper holder 3 and a lower holder 6, where the upper holder 3 and the lower holder 6 are separately arranged and can be moved toward and away from each other. The rotary indexing chuck 2 comprises a body 2a, one end of the body 2a is connected with a main shaft of a machine tool, the other end of the body 2a is provided with a mounting cavity 2b, a jacking mechanism is arranged above the mounting cavity 2b on the body 2a and comprises an ejector rod 2c capable of moving up and down, an indexing device is arranged below the mounting cavity 2b on the body 2a and comprises a rotatable rotating shaft 2 d. The lower clamping seat 6 is fixed on a rotating shaft 2d of the dividing device, and the upper clamping seat 3 is fixed on an ejector rod 2c of the jacking mechanism.
An upper concave cavity 3a is formed in the lower end face of the upper clamping seat 3, a positioning strip 4 is fixed on the side face of the upper clamping seat 3, and the lower end of the positioning strip 4 protrudes out of the lower end face of the upper clamping seat 3. The side of the upper clamping seat 3 is provided with a fixing groove 3b, and the positioning strip 4 is fixed in the fixing groove 3 b. The positioning strip 4 is fixed on the upper clamping seat 3 through a screw 5, and the rod part of the screw 5 penetrates through the positioning strip 4 and is in threaded connection with the upper clamping seat 3. The lower end surface of the positioning strip 4 is provided with a guide surface 4a protruding outwards, and the guide surface 4a is in a convex arch shape or a semi-cylindrical surface.
Be provided with cavity 6a down on the up end of lower holder 6, have the constant head tank 6b corresponding with location strip 4 on the side of lower holder 6, the last side of constant head tank 6b sets up opening 6c, and the lower extreme of location strip 4 passes through opening 6c and inserts in constant head tank 6b and can slide from top to bottom in constant head tank 6 b. The inner side surface of the positioning strip 4 abuts against the bottom surface of the positioning groove 6 b. The left surface of location strip 4 is relative with the left surface of constant head tank 6b, the right flank of location strip 4 is relative with the right flank of constant head tank 6b, the left surface of location strip 4 is parallel with the right flank of location strip 4, the left surface of constant head tank 6b is parallel with the right flank of constant head tank 6b, the width that the orientation strip 4 left and right sides was gone up slightly is less than the width that the orientation tank 6b left and right sides was ascending, and the difference between the width that the orientation tank 6b left and right sides was ascending and the width that the orientation strip 4 left and right sides was between 0.15mm-0.05 mm. Preferably, the difference between the width of the positioning groove 6b in the left-right direction and the width of the positioning bar 4 in the left-right direction is 0.10mm, the gap between the left side surface of the positioning groove 6b and the left side surface of the positioning bar 4 is 0.05mm, and the gap between the right side surface of the positioning groove 6b and the right side surface of the positioning bar 4 is 0.05 mm.
When the upper clamping seat 3 and the lower clamping seat 6 are closed, the upper concave cavity 3a and the lower concave cavity 6a can form a fixed cavity 7 matched with the shape of the angle valve body 1. When the upper clamping seat 3 and the lower clamping seat 6 are close to each other and clamp the angle valve body 1, a gap 8 is formed between the lower end face of the upper clamping seat 3 and the upper end face of the lower clamping seat 6.
When clamping the angle valve body 1 before processing, the upper clamping seat 3 moves upwards to enable the upper clamping seat 3 to be far away from the lower clamping seat 6, the positioning strip 4 slides upwards in the positioning groove 6b, then the valve body 1 of the angle valve is placed in the lower concave cavity 6a of the lower clamping seat 6, the ejector rod 2c of the jacking mechanism moves downwards to enable the upper clamping seat 3 and the lower clamping seat 6 to be close, the positioning strip 4 slides downwards in the positioning groove 6b, the upper concave cavity 3a and the lower concave cavity 6a form a fixing cavity 7, the cavity wall surface of the lower concave cavity 6a and the cavity wall surface of the upper concave cavity 3a abut against the outer surface of the angle valve body 1 to form a positioning effect on the valve body 1 of the angle valve, and the angle valve body 1 is fixed between the lower clamping seat 6 and the upper clamping seat 3 through the jacking mechanism. When the angle valve body 1 is clamped, the positioning strip 4 slides up and down and is always positioned in the positioning groove 6b, so that the accuracy of positioning the angle valve body 1 by the lower clamping seat 6 and the upper clamping seat 3 is ensured. Therefore, the angle valve machining clamp can accurately clamp and position the angle valve body 1.
During machining, the indexing device of the rotary indexing chuck 2 rotates to enable the mounting opening of the inner cavity 1c of the angle valve body 1 to face a cutter, and the inner cavity 1c is machined firstly; after the inner cavity 1c is machined, the indexing device of the rotary indexing chuck 2 rotates 90 degrees, so that the water outlet end 1b of the angle valve body 1 faces to a cutter, and the water outlet end 1b is machined; then the indexing device of the rotary indexing chuck 2 rotates for 90 degrees, so that the water inlet end 1a of the angle valve body 1 faces to the cutter, and the water inlet end 1a is processed. After the processing is finished, the upper clamping seat 3 moves upwards to enable the upper clamping seat 3 to be far away from the lower clamping seat 6, the positioning strip 4 slides upwards in the positioning groove 6b, and then the valve body 1 of the angle valve is taken out. The processing of inner chamber 1c, play water end 1b and the end 1a of intaking just can be accomplished to clamping like this, has improved the machining efficiency and the machining size precision of product.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. An angle valve machining clamp is installed on a rotary indexing chuck (2) and comprises an upper clamping seat (3) and a lower clamping seat (6), and is characterized in that the upper clamping seat (3) and the lower clamping seat (6) are arranged in a split mode and can be moved towards and away from each other, an upper concave cavity (3a) is formed in the lower end face of the upper clamping seat (3), a lower concave cavity (6a) is formed in the upper end face of the lower clamping seat (6), a positioning strip (4) is fixed on the side face of the upper clamping seat (3), a positioning groove (6b) corresponding to the positioning strip (4) is formed in the side face of the lower clamping seat (6), an opening (6c) is formed in the upper side portion of the positioning groove (6b), the positioning strip (4) is inserted into the positioning groove (6b) through the opening (6c) and can slide up and down in the positioning groove (6b), and when the upper clamping seat (3) and the lower clamping seat (6) are moved towards, the upper concave cavity (3a) and the lower concave cavity (6a) can form a fixed cavity (7) matched with the shape of the angle valve body (1).
2. The angle valve machining clamp as claimed in claim 1, wherein a gap (8) is formed between the lower end face of the upper clamping seat (3) and the upper end face of the lower clamping seat (6) when the upper clamping seat (3) and the lower clamping seat (6) are close to each other and clamp the angle valve body (1).
3. The angle valve machining jig according to claim 1, characterized in that the inner side face of the positioning strip (4) abuts against the bottom face of the positioning groove (6 b).
4. The angle valve machining fixture according to any one of claims 1 to 3, wherein a left side surface of the positioning strip (4) is opposite to a left side surface of the positioning groove (6b), a right side surface of the positioning strip (4) is opposite to a right side surface of the positioning groove (6b), the left side surface of the positioning strip (4) is parallel to the right side surface of the positioning strip (4), the left side surface of the positioning groove (6b) is parallel to the right side surface of the positioning groove (6b), the width of the positioning strip (4) in the left-right direction is slightly smaller than the width of the positioning groove (6b) in the left-right direction, and the difference between the width of the positioning groove (6b) in the left-right direction and the width of the positioning strip (4) in the left-right direction is 0.15mm to 0.05 mm.
5. The angle valve machining jig according to any one of claims 1 to 3, characterized in that a guide surface (4a) protruding outward is provided on a lower end surface of the positioning bar (4).
6. The angle valve machining jig according to any one of claims 1 to 3, wherein a fixing groove (3b) is provided on a side surface of the upper holder (3), and the positioning bar (4) is fixed in the fixing groove (3 b).
7. The angle valve machining clamp according to claim 6, characterized in that the positioning strip (4) is fixed on the upper clamping seat (3) through a screw (5), and the rod part of the screw (5) penetrates through the positioning strip (4) and is in threaded connection with the upper clamping seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021216419.8U CN212444354U (en) | 2020-06-28 | 2020-06-28 | Angle valve adds clamping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021216419.8U CN212444354U (en) | 2020-06-28 | 2020-06-28 | Angle valve adds clamping apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212444354U true CN212444354U (en) | 2021-02-02 |
Family
ID=74461887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021216419.8U Active CN212444354U (en) | 2020-06-28 | 2020-06-28 | Angle valve adds clamping apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212444354U (en) |
-
2020
- 2020-06-28 CN CN202021216419.8U patent/CN212444354U/en active Active
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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 |
Denomination of utility model: Angle valve processing fixture Effective date of registration: 20211018 Granted publication date: 20210202 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch Pledgor: FANSKI GROUP Co.,Ltd. Registration number: Y2021980010677 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230207 Granted publication date: 20210202 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch Pledgor: FANSKI GROUP Co.,Ltd. Registration number: Y2021980010677 |
|
| PC01 | Cancellation 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 jig for machining angle valves Effective date of registration: 20230308 Granted publication date: 20210202 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch Pledgor: FANSKI GROUP Co.,Ltd. Registration number: Y2023330000471 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |