CN117798403A - Valve body sealing surface finish machining device - Google Patents
Valve body sealing surface finish machining device Download PDFInfo
- Publication number
- CN117798403A CN117798403A CN202410150940.2A CN202410150940A CN117798403A CN 117798403 A CN117798403 A CN 117798403A CN 202410150940 A CN202410150940 A CN 202410150940A CN 117798403 A CN117798403 A CN 117798403A
- Authority
- CN
- China
- Prior art keywords
- valve body
- positioning block
- sealing surface
- positioning
- body sealing
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
Aiming at the precision requirement and the form and position tolerance requirement of the valve body sealing surface of the Christmas tree, the invention provides a valve body sealing surface finish machining device, which solves the machining precision problem, simultaneously considers the application of series products and improves the machining efficiency. This valve body sealing face finishing device includes: the valve body to be processed is placed on the first positioning block and the second positioning block; the positioning plate is arranged on one side of the second positioning block, a fixing hole opposite to the axial hole of the valve body to be processed is formed in the positioning plate, and a copper sleeve is assembled in the fixing hole; one end of the boring bar is inserted into and penetrates through the axial hole of the valve body to be processed and the inner hole of the steel sleeve; and the blade assembly is assembled on the boring bar and used for finishing a sealing surface in the valve body to be machined.
Description
Technical Field
The invention relates to the field of valve body machining, in particular to a valve body sealing surface finish machining device.
Background
The valve body is one of important parts in the control and regulation equipment of the christmas tree, and the processing requirement of the sealing surface is relatively high. The control and regulation functions of the Christmas tree are directly affected by whether the machining sealing surface can meet the precision requirement, the valve body is a series part, the length of the valve body with the same specification has the size of a plurality of gears, for example, the length of the valve body with the same specification has 371-521 and other different sizes, and the existing valve body sealing surface finishing device can only be generally adapted to the valve body length with one size.
Disclosure of Invention
Aiming at the precision requirement and the form and position tolerance requirement of the valve body sealing surface of the Christmas tree, the invention provides a valve body sealing surface finish machining device, which solves the machining precision problem, simultaneously considers the application of series products and improves the machining efficiency.
The technical scheme of the invention is as follows:
the invention provides a valve body sealing surface finish machining device, which comprises:
the valve body to be processed is placed on the first positioning block and the second positioning block;
the positioning plate is arranged on one side of the second positioning block, a fixing hole opposite to the axial hole of the valve body to be processed is formed in the positioning plate, and a copper sleeve is assembled in the fixing hole;
one end of the boring bar is inserted into and penetrates through the axial hole of the valve body to be processed and the inner hole of the steel sleeve;
and the blade assembly is assembled on the boring bar and used for finishing a sealing surface in the valve body to be machined.
Preferably, the positioning of the valve body to be processed with different lengths is satisfied by adjusting the relative positions of the first positioning block and the second positioning block.
Preferably, the apparatus further comprises:
the oil cup is arranged on the positioning plate, and lubricating oil flows out of the oil cup and then flows through the positioning plate and the copper sleeve to reach the surface of the boring bar.
Preferably, the first positioning block and the second positioning block are assembled together on the same base plate, and the first positioning block and the second positioning block are slidably assembled on the base plate.
Preferably, the positions of the bottom plate, which face the first positioning block and the second positioning block, are respectively provided with a T-shaped groove, a T-shaped nut is assembled in the T-shaped groove, the first positioning block is fixedly connected with the opposite T-shaped nut through the nut, and the second positioning block is fixedly connected with the opposite T-shaped nut through the nut.
Preferably, the first positioning block and the second positioning block are both fixed with flat keys on one side facing the bottom plate, two key grooves are arranged on the bottom plate and are respectively slidably inserted into one sliding groove, and the two key grooves are oppositely arranged.
Preferably, the first positioning block and the second positioning block are respectively fixedly connected with the corresponding flat key through a screw
Preferably, the blade assembly comprises a cutter bar fitted into the boring bar in a radial direction and a blade fitted on the cutter bar, the blade finishing a sealing surface inside the valve body to be machined.
Preferably, V-shaped grooves for placing the outer circles of flanges at the end parts of the valve body to be processed are respectively arranged on the first positioning block and the second positioning block.
Preferably, the boring bar is connected to the boring machine spindle by a tool shank.
The beneficial effects of the invention are as follows:
the boring bar passes through the axial hole of the valve body and then is inserted into the steel sleeve, the steel sleeve plays a supporting role on the boring bar, the jumping of the boring bar is reduced, the blade component is locked on the boring bar, and the blade of the blade component bores a required sealing surface in the valve body under the high-speed rotation of the spindle of the boring machine. Because the runout of the boring bar is reduced, the processing precision of the blade assembly on the sealing surface of the valve body is improved, and the requirements of roughness, symmetry, verticality and flatness of the drawing are met.
Drawings
FIG. 1 is a schematic view of a valve body sealing surface finishing apparatus in an embodiment of the present invention;
FIG. 2 is a schematic view along line A-A of FIG. 1;
fig. 3 is a schematic view along line C-C in fig. 2.
Detailed Description
Referring to fig. 1 to 3, the present embodiment provides a valve body seal surface finishing apparatus including: a first positioning block 21 and a second positioning block 22 which are oppositely arranged, wherein the valve body 18 to be processed is placed on the first positioning block 21 and the second positioning block 22; a positioning plate 3, which is installed at one side of the second positioning block 22, wherein a fixing hole opposite to the axial hole of the valve body 18 to be processed is arranged on the positioning plate 3, and a copper sleeve 5 is assembled in the fixing hole; a boring bar 8, one end of which is inserted into and passes through the axial hole of the valve body 18 to be processed and the inner hole of the steel sleeve 5; a blade assembly which is fitted to the boring bar 8 and performs a sealing surface finish on the inside of the valve body 18 to be machined.
The locating plate 3 is arranged on the second locating block 22 through the cylindrical pin 11 and the screw 4, and the copper bush 5 is connected to the locating plate 3 through the screw 16. The first positioning block 21 and the second positioning block 22 are respectively provided with a V-shaped groove for placing the flange excircle of the end part of the valve body 18 to be processed, the flange excircle of one end of the valve body 18 to be processed is placed in the V-shaped groove of the first positioning block 21, and the flange excircle of the other end is placed in the V-shaped groove of the second positioning block 22.
The boring bar 8 is connected to a boring machine spindle through the tool handle 7, the boring bar 8 penetrates through an axial hole of the valve body 18 to be machined and then is inserted into the steel sleeve 5, the steel sleeve 5 plays a supporting role on the boring bar 8, the jumping of the boring bar 8 is reduced, the blade assembly is locked on the boring bar 8, and the blade 14 of the blade assembly bores a required sealing surface in the valve body 18 to be machined under the high-speed rotation of the boring machine spindle. Since the runout of the boring bar 8 is reduced, the machining accuracy of the sealing surface of the valve body 18 to be machined by the blade assembly is improved.
In addition, the blade assembly can also process two sealing surfaces of the valve body 18 to be processed at one time, when the processing surface of the valve body needs to be replaced, the blade assembly on the boring bar 5 is turned to enable the blade 14 on the blade assembly to face the sealing surface to be processed on the valve body 18 to be processed, and then the position of the boring bar 8 is moved to enable the blade 14 of the blade assembly to be completely aligned with the sealing surface to be processed on the valve body 18 to be processed, so that the device is used for processing the two sealing surfaces of the valve body 18 to be processed, and the valve body 18 to be processed does not need to be turned around, so that the processing efficiency is improved.
In addition, in this embodiment, the valve body 18 to be processed with different length dimensions can be processed, and the relative positions of the first positioning block 21 and the second positioning block 22 are adjusted, so that the distance between the first positioning block 21 and the second positioning block 22 meets the length requirement of the valve body 18 to be processed, and the positioning of the valve body 18 to be processed with different lengths is met.
Wherein the first positioning block 21 and the second positioning block 22 are assembled together on the same base plate 1, and the first positioning block 21 is slidably assembled on the base plate 1, and the second positioning block 22 is fixedly assembled on the base plate 1, thereby realizing the relative position adjustment between the first positioning block 21 and the second positioning block 22 by adjusting the position of the first positioning block 21.
In order to adjust the first positioning block 21, a key groove is provided in the base plate 1. The upper end of the flat key 9 is fixed in a key groove arranged on the first positioning block 21 through a screw 10, the lower end of the flat key 9 is movably inserted into the key groove of the bottom plate 1, and the flat key 9 moves in the key groove of the bottom plate 1 to drive the first positioning block 21 to move relative to the bottom plate 1, so that the relative position between the first positioning block 21 and the second positioning block 22 is adjusted.
Since the flat key 9 is only used to realize the positional movement of the first positioning block 21, the first positioning block 21 is not fixed to the base plate 1. After the position movement of the first positioning block 21 is achieved by the position movement of the flat key 9, the first positioning block 21 needs to be locked with the base plate 1 in the embodiment of the present invention. For this purpose, as shown in fig. 1, a T-shaped groove is provided in the direction of the base plate 1 facing the first positioning block 21, a T-shaped nut 12 is fitted into the T-shaped groove, and a screw 19 is fixedly connected to the T-shaped nut 12 after passing through the first positioning block 21, thereby achieving the fixation of the first positioning block 21 to the base plate 1.
In the embodiment of the present invention, the sliding and fixing between the second positioning block 22 and the bottom plate 1 are realized by referring to the design manner of the first positioning block 21. In general, the second positioning block 22 is locked to the base plate 1, and only the position of the first positioning block 21 is adjusted to realize the relative position movement between the first positioning block 21 and the second positioning block 22.
In this embodiment, the blade assembly comprises a cutter bar 13 and a blade 14 mounted on the cutter bar 13, the cutter bar 13 being inserted into a square hole of the boring bar 8 and fixed to the boring bar 8 by a screw 15, the blade 14 also being mounted on the cutter bar 13 by a screw 17.
When the sealing surface of the valve body is finished, the cutter handle 7 is arranged on the main shaft of the boring machine, the outer circles of flanges on two sides of the valve body 18 to be processed are respectively arranged on the first positioning block 21 and the second positioning block 22 of the device to be pressed, the axial hole inside the valve body 18 to be processed is aligned, the boring bar 8 penetrates through the axial hole inside the valve body 18, the square hole for installing the cutter bar 13 reaches the middle position of the valve body 18, the right end of the boring bar 8 penetrates through the copper bush 5, the jumping of the boring bar 8 is reduced under the supporting action of the copper bush 5, the cutter bar 13 provided with the cutter blade 14 is arranged on the boring bar 8, the locking screw 15 is locked, and the cutter blade 14 is rotated at a high speed by the main shaft of the boring machine to bore the sealing surface of the valve body 18.
Claims (10)
1. A valve body sealing surface finishing device, comprising:
the valve body (1) to be processed (8) is placed on the first positioning block (21) and the second positioning block (22);
the positioning plate (3) is arranged on one side of the second positioning block (22), a fixing hole opposite to the axial hole of the valve body (18) to be processed is formed in the positioning plate (3), and a copper sleeve (5) is assembled in the fixing hole;
a boring bar (8) one end of which is inserted into and passes through the axial hole of the valve body (18) to be processed and the inner hole of the steel sleeve (5);
and the blade assembly is assembled on the boring bar (8) and used for finishing a sealing surface in the valve body (18) to be machined.
2. Valve body sealing surface finishing device according to claim 1, characterized in that the positioning of valve bodies (18) to be machined of different lengths is fulfilled by adjusting the relative positions of the first positioning block (21) and the second positioning block (22).
3. The valve body sealing surface finishing device of claim 1, further comprising:
the oil cup is arranged on the positioning plate (3), and lubricating oil flows out of the oil cup and then flows through the positioning plate (3) and the copper bush (5) to reach the surface of the boring bar (8).
4. Valve body sealing surface finishing device according to claim 2, characterized in that a first positioning block (21) and a second positioning block (22) are jointly assembled to the same base plate (1), said first positioning block (21) and said second positioning block (21) being slidably assembled to said base plate (1).
5. Valve body sealing surface finishing device according to claim 4, characterized in that the positions of the bottom plate (1) facing the first positioning block (21) and the second positioning block (22) are respectively provided with a T-shaped groove, a T-shaped nut (12) is assembled in the T-shaped groove, the first positioning block (21) is fixedly connected with the opposite T-shaped nut (12) through the nut, and the second positioning block (22) is fixedly connected with the opposite T-shaped nut (12) through the nut.
6. Valve body sealing surface finishing device according to claim 5, characterized in that the side of the first positioning block (21) and the second positioning block (22) facing the bottom plate (1) are both fixed with flat keys (9), two key grooves are arranged on the bottom plate (1), the two key grooves are respectively slidably inserted into one sliding groove, and the two key grooves are oppositely arranged.
7. Valve body sealing surface finishing device according to claim 4, characterized in that the first positioning block (21) and the second positioning block (22) are fixedly connected with the respective flat key (9) by means of a screw (10).
8. Valve body sealing surface finishing device according to claim 1, characterized in that the blade assembly comprises a cutter bar (13) and a blade (14) fitted on the cutter bar (13), the cutter bar (13) being fitted into the boring bar (8) in the radial direction, the blade (14) finishing the sealing surface inside the valve body (18) to be machined.
9. Valve body sealing surface finishing device according to claim 1, characterized in that the first positioning block (21) and the second positioning block (22) are respectively provided with a V-shaped groove for placing the outer circle of the flange at the end part of the valve body (18) to be processed.
10. Valve body sealing surface finishing device according to claim 1, characterized in that the boring bar (8) is connected to the boring machine spindle by means of a tool shank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410150940.2A CN117798403A (en) | 2024-02-02 | 2024-02-02 | Valve body sealing surface finish machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410150940.2A CN117798403A (en) | 2024-02-02 | 2024-02-02 | Valve body sealing surface finish machining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117798403A true CN117798403A (en) | 2024-04-02 |
Family
ID=90420289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410150940.2A Pending CN117798403A (en) | 2024-02-02 | 2024-02-02 | Valve body sealing surface finish machining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117798403A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118789316A (en) * | 2024-09-14 | 2024-10-18 | 杭州鄂达精密机电科技有限公司 | A valve seat sealing interface machining tool assembly |
-
2024
- 2024-02-02 CN CN202410150940.2A patent/CN117798403A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118789316A (en) * | 2024-09-14 | 2024-10-18 | 杭州鄂达精密机电科技有限公司 | A valve seat sealing interface machining tool assembly |
| CN118789316B (en) * | 2024-09-14 | 2025-02-25 | 杭州鄂达精密机电科技有限公司 | A valve seat sealing interface machining tool assembly |
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