CN214109636U - Technological equipment for machining shaft hole of ball valve - Google Patents
Technological equipment for machining shaft hole of ball valve Download PDFInfo
- Publication number
- CN214109636U CN214109636U CN202022973216.XU CN202022973216U CN214109636U CN 214109636 U CN214109636 U CN 214109636U CN 202022973216 U CN202022973216 U CN 202022973216U CN 214109636 U CN214109636 U CN 214109636U
- Authority
- CN
- China
- Prior art keywords
- base
- positioning plate
- ball valve
- stud
- positioning
- 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
Images
Abstract
The utility model relates to a technological equipment for processing of ball valve shaft hole belongs to the machining field. The utility model comprises a base, wherein the lower surface of the base is provided with a main shaft connecting and positioning surface for connecting a lathe main shaft, the upper surface of the base is fixedly provided with a vertically connected supporting seat, one side of the supporting seat is fixedly connected with a positioning plate, and a workpiece pressing mechanism is arranged on the positioning plate; a workpiece positioning surface is arranged on one side, away from the supporting seat, of the positioning plate, a balance block is arranged on the upper surface of the base, a connecting part of the balance block is fixedly connected with the base through a bolt, a strip-shaped hole for the bolt to pass through is formed in the connecting part of the balance block, the length direction of the strip-shaped hole is consistent with the thickness direction of the positioning plate, and a threaded hole for connecting the bolt is formed in the base; the positioning plate is positioned on one side of the supporting seat facing the balance block. The utility model discloses can enough satisfy the precision of multiple specification valve body shaft hole processing, and can guarantee the dynamic balance requirement of different specification valve bodies when high-speed cutting.
Description
Technical Field
The utility model relates to a technological equipment for processing of ball valve shaft hole belongs to the machining field, is applicable to into many specifications ball valve body shaft hole processing of series.
Background
The ball valve mainly plays a role in cutting off the flow of a medium, and the ball valve can be closed tightly only by rotating 90 degrees. The ball valve has the advantages of long service life, simple structure, small switching moment and the like, and is widely applied to various fields of petroleum, chemical industry, power generation and the like. After the ball valve is closed, the pressure in the fluid acts on the interior of the ball valve, so that the ball valve is easy to leak from the matched positions of the valve seat and the shaft hole. The valve shaft and the shaft hole are matched to ensure the dimensional precision of the center relative to the valve seat surface, and the roughness of the sealing surface of the shaft hole has higher requirements. The rotating speed must be increased when the roughness of the shaft hole is reduced, the requirement on the balance of the tool is high at a high rotating speed, if the tool cannot realize dynamic balance, the roughness of a machined surface can be influenced by vibration, and higher potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the technical equipment for machining the shaft hole of the ball valve can meet the machining precision of shaft holes of valve bodies of various specifications and can guarantee the dynamic balance requirements of the valve bodies of different specifications during high-speed cutting.
The utility model provides a technical scheme that its technical problem adopted is: the technical equipment for machining the shaft hole of the ball valve comprises a base, wherein a main shaft connecting and positioning surface for connecting a lathe main shaft is arranged on the lower surface of the base, a supporting seat which is vertically connected is fixedly arranged on the upper surface of the base, a positioning plate is fixedly connected to one side of the supporting seat, and a workpiece pressing mechanism is arranged on the positioning plate in a matching mode; a workpiece positioning surface is arranged on one side, away from the supporting seat, of the positioning plate, a balance block is arranged on the upper surface of the base, a connecting part of the balance block is fixedly connected with the base through a bolt, a strip-shaped hole for the bolt to pass through is formed in the connecting part of the balance block, the length direction of the strip-shaped hole is consistent with the thickness direction of the positioning plate, and a threaded hole for connecting the bolt is formed in the base; the positioning plate is positioned on one side of the supporting seat facing the balance block.
Further, the method comprises the following steps: the locating plate is connected with the supporting seat through the locating pin and is fixedly connected through the fixing bolt.
Further, the method comprises the following steps: the workpiece pressing mechanism comprises a stud, a pressing plate and a nut; one end of the stud is connected to the middle position of the positioning plate, and the other end of the stud is connected with the nut; the pressing plate is provided with an assembling hole for the stud to pass through, is sleeved on the stud and is positioned on one side of the inner end of the nut.
Further, the method comprises the following steps: a base plate is arranged on one side of the positioning plate, which is used for connecting the stud, the base plate is provided with an assembly hole for the stud to pass through, the outer side wall of the stud is provided with a convex block, and the base plate is tightly pressed and fixed on the positioning plate through the convex block on the outer side wall of the stud when the stud is connected to the positioning plate; one side of the backing plate, which is far away from the positioning plate, is provided with a workpiece positioning surface.
Further, the method comprises the following steps: the connecting portion of balancing piece is provided with two bar holes of arranging side by side, and every bar hole is connected with the bolt respectively.
Further, the method comprises the following steps: the contact surface with the base on the balancing piece sets up to first profile of tooth face, and the slot length direction of first profile of tooth face is mutually perpendicular with the length direction in bar hole, sets up to second profile of tooth face with the contact surface of balancing piece on the base, and first profile of tooth face and second profile of tooth form the interlock structure.
Further, the method comprises the following steps: one end of the balance block facing the positioning plate is arranged to be a balance block alignment surface, and the upper surface of the base is provided with scale marks on the side of the balance block.
In implementation, the ball valve body passes through the stud; the ball valve body is clamped and positioned through a workpiece positioning surface on the positioning plate (or a workpiece positioning surface on the base plate), the nut is locked, and the ball valve body is tightly pressed by the pressing plate. According to the different specifications of the ball valve body to be processed, the relative position of the balance block and the base can be adjusted by means of the strip-shaped hole, and the dynamic balance requirements of the valve bodies with different specifications can be guaranteed by the balance block during high-speed cutting.
The utility model has the advantages that: can quick clamping location when ball valve body shaft hole adds man-hour, can accurately realize balanced counter weight fast when different specification ball valve body add man-hour in addition, convenient operation, efficient, the roughness of shaft hole is good. The valve body is compressed through the pressing plate self-adaptive to the contour of the inner cavity of the valve body, multi-point compression is not needed, and the clamping time is greatly reduced. The base plate is applicable to processing ball valve bodies of different specifications by additionally arranging the base plate, the base plate is simple to replace, and the tool is not required to be disassembled to realize.
Drawings
Figure 1 is the utility model is suitable for a clamping elevation view of big specification ball valve body shaft hole processing.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a sectional view a-a of fig. 1.
Fig. 4 is a sectional view B-B of fig. 2.
Fig. 5 is an enlarged view of a portion of the tooth-shaped surface engaging structure of fig. 4.
Figure 6 is the utility model is suitable for a clamping front view of small-scale ball valve body shaft hole processing.
Figure 7 is the utility model is suitable for a clamping cross-sectional view of small-scale ball valve body shaft hole processing.
FIG. 8 is a schematic view of the adjustment position of the weight.
Labeled as: 1-a base; 2, positioning a plate; 3-a balance weight; 4-a first fixing bolt; 5-a second fixing bolt; 6-a third fixing bolt; 7-a fourth fixing bolt; 8-a first locator pin; 9-a second locating pin; 10-a stud; 11-a platen; 12-a nut; 13-a first bolt; 14-a second bolt; 15-a backing plate; 16-a support seat; 17-a strip-shaped hole; 18-counterweight alignment plane; 19-graduation mark; 20-connecting the main shaft with a positioning surface; 21-a ball valve body; 22-a toothed surface; 23-installing a positioning surface on the valve body; and 24, installing a backing plate positioning surface on the valve body.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
As shown in fig. 1 to 4, the utility model comprises a base 1, a spindle connecting and positioning surface 20 for connecting a lathe spindle is arranged on the lower surface of the base 1, a supporting seat 16 which is vertically connected is fixedly arranged on the upper surface of the base 1, a positioning plate 2 is fixedly connected to one side of the supporting seat 16, and a workpiece pressing mechanism is arranged on the positioning plate 2; a workpiece positioning surface is arranged on one side, away from the supporting seat 16, of the positioning plate 2, a balance block 3 is arranged on the upper surface of the base 1, a connecting part of the balance block 3 is fixedly connected with the base 1 through a bolt, a strip-shaped hole 17 for the bolt to pass through is formed in the connecting part of the balance block 3, the length direction of the strip-shaped hole 17 is consistent with the thickness direction of the positioning plate 2, and a threaded hole for connecting the bolt is formed in the base 1; the positioning plate 2 is positioned on one side of the supporting seat 16 facing the counterweight 3.
During specific implementation, the base 1 is directly connected with a lathe spindle, the spindle is connected with the positioning surface 20 and positioned with the excircle of the spindle, and the spindle is tightly pressed on the end surface of the spindle through a bolt. For convenient rapid Assembly, and satisfy the accurate positioning requirement, locating plate 2 is connected through the locating pin with supporting seat 16, and fixes through fixing bolt connection. The locating pin and the fixing bolt can be respectively provided in plurality. In the present embodiment, the positioning pins are provided in two, including a first positioning pin 8 and a second positioning pin 9; the number of the fixing bolts is four, and the fixing bolts comprise a first fixing bolt 4, a second fixing bolt 5, a third fixing bolt 6 and a fourth fixing bolt 7.
The preferable mode of the workpiece pressing mechanism is as follows: comprises a stud bolt 10, a pressure plate 11 and a nut 12; one end of the stud 10 is connected to the middle position of the positioning plate 2, and the other end is connected with the nut 12; the pressing plate 11 is provided with an assembling hole for the stud bolt 10 to pass through, and the pressing plate 11 is sleeved on the stud bolt 10 and is positioned on one side of the inner end of the nut 12. Referring to fig. 3 and 4, for a large-sized ball valve body 21, the stud 10 is connected with the positioning plate 2 through threads, a workpiece positioning surface (shown as a valve body mounting positioning surface 23 in fig. 3) on the positioning plate 2 positions the ball valve body 21, and the ball valve body 21 is pressed on the positioning plate 2 from an inner cavity of the ball valve body 21 through the pressing plate 11 and the nut 12. After the ball valve body 21 is clamped, the center of a lathe spindle coincides with the center of a shaft hole of the ball valve body 21, and the spindle drives the device to rotate to complete turning of the ball valve body 21.
In order to adapt to the processing of ball valve bodies 21 with various specifications, a backing plate 15 is arranged on one side of the positioning plate 2, which is used for connecting the stud 10, the backing plate 15 is provided with an assembly hole for the stud 10 to pass through, a convex block is arranged on the outer side wall of the stud 10, and when the stud 10 is connected to the positioning plate 2, the backing plate 15 is pressed and fixed on the positioning plate 2 through the convex block on the outer side wall; the side of the backing plate 15 away from the positioning plate 2 is provided with a workpiece positioning surface. Referring to fig. 6 and 7, for a small-sized ball valve body 21, the stud 10 is connected to the positioning plate 2 through a thread, a workpiece positioning surface (shown as a valve body mounting positioning surface 23 in fig. 3) on the positioning plate 2 positions the backing plate 15, a workpiece positioning surface (shown as a valve body mounting backing plate positioning surface 24 in fig. 7) on the backing plate 15 positions the ball valve body 21, and the ball valve body 21 is pressed against the positioning plate 2 from the outer end surface of the ball valve body 21 through the pressing plate 11 and the nut 12. The backing plate 15 can estimate that the ball valve body 21 with different specifications is replaced correspondingly.
In order to make the connection of the balance weight 3 more secure, the connecting portion of the balance weight 3 is provided with two strip-shaped holes 17 arranged side by side, and each strip-shaped hole 17 is connected with a bolt respectively, in this embodiment, a first bolt 13 and a second bolt 14 are provided. In addition, referring to fig. 4 and 5, the contact surface of the counterweight 3 with the base 1 is a first toothed surface, the length direction of the groove of the first toothed surface is perpendicular to the length direction of the strip-shaped hole 17, the contact surface of the counterweight 3 with the base 1 is a second toothed surface, and the first toothed surface and the second toothed surface form a meshing structure. The balance weight 3 and the base 1 are radially locked by the tooth-shaped surface 22 which is in contact with each other, so that the generation of relative sliding during high-speed rotation can be avoided.
Different specifications of ball valve bodies 21 are different in size, and after clamping is finished, the assembled whole rotating center is different, so that balance blocks 3 with different flat weights must be machined and matched for each specification of ball valve bodies 21. The utility model discloses a variable radius of gyration of balancing piece 3 makes thereby different specification ball valve bodies 21 correspond corresponding radius of gyration and realize whole dynamic balance. The utility model discloses a different specification valve body processing balanced position is confirmed in advance to the dynamic balance test and scale mark 19 has been set up, and scale mark 19 sets up in the upper surface of base 1 to be located balancing piece 3 side position, balancing piece 3 sets up to balancing piece alignment face 18 towards the one end of locating plate 2. Referring to fig. 7 and 8, during processing, only the position of the line aligning surface 18 of the balance weight is adjusted to be aligned with the corresponding position of the scale mark 19, which is convenient and accurate.
Because the utility model discloses whole dynamic balance is accurate, adds the high rotational speed that is applicable to man-hour to make the shaft hole after the processing can obtain lower roughness, satisfy the requirement of shaft hole roughness. In addition, the distance between the center of the shaft hole of the ball valve body 21 and the end face of the flange is ensured by the positioning plate 2 and the backing plate 15, the relative sizes are accurate and uniform, and the size consistency of the processed ball valve body 21 is good.
Claims (7)
1. The technical equipment for machining the shaft hole of the ball valve comprises a base (1), wherein a main shaft connecting and positioning surface (20) for connecting a lathe main shaft is arranged on the lower surface of the base (1), a supporting seat (16) which is vertically connected is fixedly arranged on the upper surface of the base (1), a positioning plate (2) is fixedly connected to one side of the supporting seat (16), and a workpiece pressing mechanism is arranged on the positioning plate (2); one side that supporting seat (16) were kept away from in locating plate (2) is provided with work piece locating surface, its characterized in that: the upper surface of the base (1) is provided with a balance block (3), a connecting part of the balance block (3) is fixedly connected with the base (1) through a bolt, a strip-shaped hole (17) for the bolt to pass through is formed in the connecting part of the balance block (3), the length direction of the strip-shaped hole (17) is consistent with the thickness direction of the positioning plate (2), and a threaded hole for connecting the bolt is formed in the base (1); the positioning plate (2) is positioned on one side of the supporting seat (16) facing the balance block (3).
2. The tooling for the machining of the axial bore of a ball valve of claim 1, wherein: the positioning plate (2) is connected with the supporting seat (16) through a positioning pin and is fixedly connected through a fixing bolt.
3. The tooling for the machining of the axial bore of a ball valve of claim 1, wherein: the workpiece pressing mechanism comprises a stud (10), a pressing plate (11) and a nut (12); one end of the double-end stud (10) is connected to the middle position of the positioning plate (2), and the other end of the double-end stud is connected with the nut (12); the pressing plate (11) is provided with an assembling hole for the stud (10) to pass through, and the pressing plate (11) is sleeved on the stud (10) and is positioned on one side of the inner end of the nut (12).
4. The tooling for the machining of the axial bore of a ball valve of claim 3, wherein: a backing plate (15) is arranged on one side, used for being connected with the stud (10), of the positioning plate (2), the backing plate (15) is provided with an assembly hole for the stud (10) to pass through, a convex block is arranged on the outer side wall of the stud (10), and when the stud (10) is connected to the positioning plate (2), the backing plate (15) is pressed and fixed on the positioning plate (2) through the convex block on the outer side wall of the stud; one side of the backing plate (15) far away from the positioning plate (2) is provided with a workpiece positioning surface.
5. The tooling for the machining of the axial bore of a ball valve of claim 1, wherein: the connecting portion of balancing piece (3) is provided with two bar holes (17) of arranging side by side, and every bar hole (17) is connected with the bolt respectively.
6. The tooling for the machining of the axial bore of a ball valve of claim 1, wherein: the contact surface of the balance block (3) and the base (1) is a first toothed surface, the length direction of a groove of the first toothed surface is perpendicular to the length direction of the strip-shaped hole (17), the contact surface of the base (1) and the balance block (3) is a second toothed surface, and the first toothed surface and the second toothed surface form an occlusion structure.
7. The technological equipment for machining the shaft hole of the ball valve as claimed in any one of claims 1 to 6, wherein: one end of the balance block (3) facing the positioning plate (2) is provided with a balance block alignment surface (18), and the upper surface of the base (1) is provided with scale marks (19) on the side of the balance block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022973216.XU CN214109636U (en) | 2020-12-11 | 2020-12-11 | Technological equipment for machining shaft hole of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022973216.XU CN214109636U (en) | 2020-12-11 | 2020-12-11 | Technological equipment for machining shaft hole of ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214109636U true CN214109636U (en) | 2021-09-03 |
Family
ID=77510251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022973216.XU Active CN214109636U (en) | 2020-12-11 | 2020-12-11 | Technological equipment for machining shaft hole of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214109636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894302A (en) * | 2021-10-29 | 2022-01-07 | 中国航发贵州红林航空动力控制科技有限公司 | Special-shaped pipe joint turning universal fixture |
-
2020
- 2020-12-11 CN CN202022973216.XU patent/CN214109636U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894302A (en) * | 2021-10-29 | 2022-01-07 | 中国航发贵州红林航空动力控制科技有限公司 | Special-shaped pipe joint turning universal fixture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202240616U (en) | Multi-position valve body processing jig | |
| CN214109636U (en) | Technological equipment for machining shaft hole of ball valve | |
| CN113681466A (en) | Novel integrated machining clamp for turbine blade of aero-engine and machining process of novel integrated machining clamp | |
| CN115401480A (en) | High-speed eccentric rotating clamping device and eccentric adjusting method thereof | |
| KR100677678B1 (en) | Index table | |
| CN101176928A (en) | Drilling jig for unitized tooling circumferential and axial bore of electrohydraulic servo valve cover plate | |
| CN113118791A (en) | Five rotary worktable | |
| CN107598590B (en) | Precise tool for machining valve sleeve hole and valve sleeve machining equipment | |
| CN210878692U (en) | Blade work piece is from centering fast-assembling anchor clamps | |
| CN201124254Y (en) | Drilling jig for processing electrohydraulic servo valve cover plate hole group | |
| CN108942343B (en) | Novel clamp for outer circle of crankshaft eccentric shaft of air conditioner compressor | |
| CN201880942U (en) | Novel inner hole finishing clamp | |
| CN213997841U (en) | Eccentric adjustable clamping device for rotation | |
| CN110340474B (en) | Cylindrical surface phased-pin hole line cutting tool and line cutting method for planetary screw | |
| CN113084539A (en) | Improved five-axis rotary workbench | |
| CN210731620U (en) | Full-automatic drilling and milling composite machine tool | |
| CN113231723A (en) | Plasma spray welding positioning and clamping device suitable for multiple specifications of tooth legs | |
| CN214603101U (en) | Five rotary worktable | |
| CN220145341U (en) | Clutch driven disc assembly fixture | |
| CN219562235U (en) | Clamp for machining eccentric tile | |
| CN211680368U (en) | High-precision self-centering gear grinding tool | |
| CN216829744U (en) | Rotary tool device for machining grab bucket mechanism | |
| CN219444395U (en) | Quick-change processing device for valve body of brake system part | |
| CN219426189U (en) | Horizontal machining device for rear shell of rotary motor | |
| CN218964770U (en) | Pneumatic dovetail clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |