CN219484206U - Valve head turning arc machining tool - Google Patents
Valve head turning arc machining tool Download PDFInfo
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- CN219484206U CN219484206U CN202320519085.9U CN202320519085U CN219484206U CN 219484206 U CN219484206 U CN 219484206U CN 202320519085 U CN202320519085 U CN 202320519085U CN 219484206 U CN219484206 U CN 219484206U
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Abstract
The application discloses a valve head turning arc machining tool which comprises an L-shaped fixing frame, a positioning sleeve, a fastening sleeve, a threaded rod, a nut, a valve head seat and a retainer ring; the L-shaped fixing frame is provided with a mounting hole in a penetrating way, and the top end of the positioning sleeve is fixedly connected to the outer side of the bottom end of the mounting hole; the outer side of the bottom surface of the fastening sleeve is fixedly connected with a threaded rod; the fastening sleeve can penetrate through the mounting hole and is sleeved on the inner side of the positioning sleeve, the threaded rod can penetrate through the bottom end of the positioning sleeve and is in threaded connection with the positioning sleeve, and the nut is in threaded connection with the outer side of the threaded rod; the valve head seat is sleeved on the inner side of the fastening sleeve and is in threaded connection with the inner side of the fastening sleeve; the top end of the valve head seat is fixedly connected with a connecting sleeve, a retainer ring is sleeved on the outer side of the connecting sleeve, and the inner side of the connecting sleeve is connected with a valve head through threads; the outer diameter of the retainer ring is larger than the inner diameter of the mounting hole. The clamping device has the advantages that the clamping of the valve heads with different specifications can be met, and the stabilizing force of the valve heads after clamping is improved.
Description
Technical Field
The application relates to the technical field of valve body turning, in particular to a valve head turning arc machining tool.
Background
Turning is the most common processing mode, and is characterized by wide processing range, high efficiency and low cost, and is suitable for batch part processing. The turning can better ensure the precision requirement of each position of the part and reduce the positioning error of the part. Because the shape of the part is special, the part cannot be directly clamped on a lathe, and the clamping mode of the part can be changed only through the auxiliary tool, so that the purpose of turning is achieved. The special-shaped part turning problem can be solved through the tool, so that the production and machining efficiency is improved, and the labor cost is saved.
When the valve head adopts turning to carry out circular arc processing in the prior art, the self-made tooling is generally adopted for assisting in processing, but the common self-made tooling cannot meet the requirement of clamping the valve heads with different specifications, and the stabilizing force after clamping the valve heads is insufficient.
Disclosure of Invention
The application is through providing a valve head turning circular arc processing frock, has solved among the prior art when carrying out circular arc processing to the valve head, adopts ordinary self-control frock can not satisfy the valve head to different specifications and carries out the clamping, and the stable power after the valve head clamping is not enough technical problem moreover has realized can satisfying the valve head to different specifications and carries out the clamping, improves the stable power after the valve head clamping.
The application provides a valve head turning arc machining tool which comprises an L-shaped fixing frame, a positioning sleeve, a fastening sleeve, a threaded rod, a nut, a valve head seat and a retainer ring; the L-shaped fixing frame is provided with a mounting hole in a penetrating mode, and the top end of the positioning sleeve is fixedly connected to the outer side of the bottom end of the mounting hole; the threaded rod is fixedly connected to the outer side of the bottom surface of the fastening sleeve; the fastening sleeve can penetrate through the mounting hole and is sleeved on the inner side of the positioning sleeve, the threaded rod can penetrate through the bottom end of the positioning sleeve and is in threaded connection with the positioning sleeve, and the nut is in threaded connection with the outer side of the threaded rod; the valve head seat is sleeved on the inner side of the fastening sleeve and is in threaded connection with the inner side of the fastening sleeve; the top end of the valve head seat is fixedly connected with a connecting sleeve, the retaining ring is sleeved on the outer side of the connecting sleeve, and the inner side of the connecting sleeve is in threaded connection with a valve head; the outer diameter of the retainer ring is larger than the inner diameter of the mounting hole.
In one possible implementation manner, the outer side of the fastening sleeve is provided with an anti-rotation groove, the outer side of the positioning sleeve is provided with an anti-rotation nail in a penetrating manner along the radial direction, and the end part of the anti-rotation nail can be inserted into the anti-rotation groove.
In one possible implementation, the L-shaped mount includes a riser and a floor; the vertical plate is vertical to the bottom plate and is fixedly connected with the bottom plate; the center of the vertical plate is provided with a correction spigot in a penetrating way; the center of the bottom plate is penetrated and provided with the mounting hole.
In one possible implementation manner, an annular step is formed on the inner side of the top end of the fastening sleeve, and an annular shoulder is fixedly connected to the outer side of the top end of the valve head seat and can be lapped on the annular step.
In one possible implementation, the L-shaped mount further comprises two positioning webs; the positioning rib plate is fixedly connected between the vertical plate and the bottom plate.
One or more technical solutions provided in the present application have at least the following technical effects or advantages:
the application adopts an L-shaped fixing frame, a positioning sleeve, a fastening sleeve, a threaded rod, a nut, a valve head seat and a retainer ring; when clamping is carried out, the L-shaped fixing frame is firstly installed on a lathe spindle and is corrected, then the fastening sleeve and the threaded rod are integrally installed in the positioning sleeve, the fastening sleeve is fixed in the positioning sleeve through threaded connection of the threaded rod and the positioning sleeve, further the fastening sleeve is locked in the positioning sleeve through threaded connection of the nut and the threaded rod, then the valve head seat is in threaded connection with the inner side of the fastening sleeve, the connecting sleeve is arranged at the top end of the valve head seat, the retainer ring is conveniently and subsequently sleeved on the outer side of the connecting sleeve, finally the bottom end of the valve head is in threaded connection with the inner side of the connecting sleeve, the retainer ring is integrally pressed on the outer side of the top end of the mounting hole of the L-shaped fixing frame through the valve head, and axial downward acting force can be further generated on the threaded rod, the fastening sleeve, the valve head seat and the valve head installed on the valve head seat through continued tightening of the valve head seat, so that the retainer ring is tightly pressed on the outer side of the top end of the mounting hole of the L-shaped fixing frame through the valve head, and finally the stabilizing force after clamping is effectively improved; in addition, when the external diameter of the outer circle of the top end of the valve head needing clamping is smaller than the internal diameter of the mounting hole, due to the arranged retainer ring, the valve head can still press the retainer ring on the outer side of the top end of the mounting hole of the L-shaped fixing frame through extruding the retainer ring during clamping, the mounting requirement of the outer circle of the top end of the valve head when the external diameter of the top end of the valve head is reduced can still be met, the valve head with different specifications can be clamped, the technical effect that the valve head with different specifications cannot be clamped by adopting a common self-made tool in the prior art is effectively solved, the technical problem that the stabilizing force after the valve head is clamped is insufficient is solved, the valve head with different specifications can be clamped, and the stabilizing force after the valve head clamping is improved is realized.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments of the present utility model or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an isometric view of a valve head turning arc machining tool provided in an embodiment of the present application before assembly;
FIG. 2 is an isometric cross-sectional view of FIG. 1;
fig. 3 is an isometric view of a valve head turning arc machining tool after assembly according to an embodiment of the present application;
FIG. 4 is a front view of FIG. 3;
FIG. 5 is a top view of FIG. 3;
FIG. 6 is a cross-sectional view taken along the direction A-A in FIG. 5;
fig. 7 is a partial enlarged view of the area B in fig. 6.
Reference numerals: a 1-L-shaped fixing frame; 11-vertical plates; 111-correct spigot; 12-a bottom plate; 2-positioning the sleeve; 21-anti-rotation nails; 3-fastening the sleeve; 31-an anti-rotation groove; 32-annular steps; 4-a threaded rod; 5-nuts; 6-valve head seat; 61-connecting sleeve; 62-annular shoulder; 7-a retainer ring; 8-mounting holes; 9-valve head; and 10-positioning rib plates.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
Referring to fig. 1-7, the embodiment of the application provides a valve head turning arc machining tool, which comprises an L-shaped fixing frame 1, a positioning sleeve 2, a fastening sleeve 3, a threaded rod 4, a nut 5, a valve head seat 6 and a retainer ring 7; the L-shaped fixing frame 1 is provided with a mounting hole 8 in a penetrating way, and the top end of the positioning sleeve 2 is fixedly connected to the outer side of the bottom end of the mounting hole 8; the outer side of the bottom surface of the fastening sleeve 3 is fixedly connected with a threaded rod 4; the fastening sleeve 3 can pass through the mounting hole 8 and is sleeved on the inner side of the positioning sleeve 2, the threaded rod 4 can penetrate through the bottom end of the positioning sleeve 2 and is in threaded connection with the positioning sleeve 2, and the nut 5 is in threaded connection with the outer side of the threaded rod 4; the valve seat 6 is sleeved on the inner side of the fastening sleeve 3 and is in threaded connection with the inner side of the fastening sleeve 3; the top end of the valve head seat 6 is fixedly connected with a connecting sleeve 61, a retainer ring 7 is sleeved on the outer side of the connecting sleeve 61, and the inner side of the connecting sleeve 61 is in threaded connection with a valve head 9; the outer diameter of the retainer ring 7 is larger than the inner diameter of the mounting hole 8. In the embodiment of the application, the inner diameters of the positioning sleeve 2 and the mounting hole 8 are equal, the axial leads of the positioning sleeve 2 and the mounting hole 8 are coincident, the top end of the positioning sleeve 2 is welded on the outer side of the bottom end of the mounting hole 8 of the L-shaped fixing frame 1, the outer diameter of the fastening sleeve 3 is equal to the inner diameter of the mounting hole 8, and the fastening sleeve 3 can be completely inserted into the positioning sleeve 2; during actual installation, the surface of the L-shaped fixing frame 1 without the installation hole 8 is used for being installed on a lathe spindle and used for carrying out advanced calibration and positioning on the whole tool, after the L-shaped fixing frame 1 is installed on the lathe spindle, the valve head 9 is clamped, the fastening sleeve 3 and the threaded rod 4 are integrally installed in the positioning sleeve 2, the fastening sleeve 3 is fixed in the positioning sleeve 2 through threaded connection of the threaded rod 4 and the positioning sleeve 2, then the nut 5 is screwed on the threaded rod 4, locking of the fastening sleeve 3 in the positioning sleeve 2 is achieved, then the valve head seat 6 is screwed on the inner side of the fastening sleeve 3, the retainer ring 7 is subsequently sleeved on the outer side of the connecting sleeve 61, finally the bottom end of the valve head 9 is screwed on the inner side of the connecting sleeve 61, the retainer ring 7 is integrally pressed on the outer side of the top end of the installation hole 8 of the L-shaped fixing frame 1 through the valve head 9, and then axial downward acting force can be further generated on the threaded rod 4, the fastening sleeve 3, the valve head seat 6 and the valve head 9 installed on the valve head 8 through continued screwing down, so that the final clamping force of the valve head 9 can be further stably improved on the outer side of the installation hole 8 of the L-shaped fixing frame 1 after the valve head 1 is tightly pressed; in addition, when the external diameter of the top end excircle of the valve head 9 needing clamping is smaller than the internal diameter of the mounting hole 8, if the retainer ring 7 is not arranged, then after the valve head 9 is in threaded connection with the connecting sleeve 61, the top end excircle bottom surface of the valve head 9 cannot be tightly pressed on the L-shaped fixing frame 1 (at this time, the valve head 9 is in a suspended state relative to the mounting hole 8), the valve head 9 is only connected with the connecting sleeve 61 in a threaded connection mode, and no pressing force exists on the L-shaped fixing frame 1 along the axial direction of the threaded rod 4, so that the stabilizing force of the valve head 9 after installation is not good, and loosening easily occurs in the subsequent turning process, therefore, even if the external diameter of the top end excircle of the valve head 9 is smaller than the internal diameter of the mounting hole 8 through the retainer ring 7 which is further arranged, the valve head 9 can still press the retainer ring 7 on the top end outside of the mounting hole 8 after clamping, the stabilizing force of the valve head 9 after clamping can still be ensured, the mounting requirement of the valve head 9 when the external diameter of the top end excircle of the valve head 9 becomes smaller can still be met, and the mounting requirements of the valve head 9 with different specifications can be met.
Referring to fig. 2, the fastening sleeve 3 is provided with an anti-rotation groove 31 at the outer side thereof, and the positioning sleeve 2 is provided with an anti-rotation nail 21 penetrating in the radial direction, and an end portion of the anti-rotation nail 21 can be inserted into the anti-rotation groove 31. In the embodiment of the application, the anti-rotation groove 31 and the anti-rotation nail 21 are further arranged, the anti-rotation nail 21 can be a pin, at the moment, the pin is inserted into the outer side of the positioning sleeve 2, the anti-rotation nail 21 can also be a screw, and at the moment, the screw is in threaded connection with the positioning sleeve 2 along the radial direction; by providing the anti-rotation groove 31 and the anti-rotation pin 21, the rotation of the fastening sleeve 3 during turning can be prevented.
Referring to fig. 1 to 4, the l-shaped fixing frame 1 includes a riser 11 and a base plate 12; the vertical plate 11 is vertical to the bottom plate 12 and is fixedly connected with the bottom plate; the center of the vertical plate 11 is provided with a correction spigot 111 in a penetrating way; the center of the bottom plate 12 is provided with a mounting hole 8. The embodiment of the application specifically sets up L shape mount 1 and includes riser 11 and bottom plate 12, specifically sets up correction tang 111 on riser 11, when using, is connected riser 11 through correction tang 111 and lathe spindle chuck, through the correction tang 111 of setting up, can make riser 11 center and lathe spindle center coincidence, guarantees to calibrate and fix a position L shape mount 1.
Referring to fig. 1-2, the inner side of the top end of the fastening sleeve 3 is provided with an annular step 32, the outer side of the top end of the valve head seat 6 is fixedly connected with an annular shoulder 62, and the annular shoulder 62 can be lapped on the annular step 32. The annular step 32 and the annular shoulder 62 are further arranged in the embodiment of the application, so that when the valve head seat 6 is installed inside the fastening sleeve 3, the valve head seat 6 can be lapped on the annular step 32 through the annular shoulder 62, and the stability after the valve head seat 6 is connected with the fastening sleeve 3 is ensured.
Referring to fig. 3 and 4, the l-shaped fixing frame 1 further comprises two positioning rib plates 10; the positioning rib plate 10 is fixedly connected between the vertical plate 11 and the bottom plate 12. In this embodiment of the application, the positioning rib plate 10 is further arranged, and two right-angle faces of the positioning rib plate 10 are respectively and fixedly connected with the vertical plate 11 and the bottom plate 12, so that the stability of the vertical plate 11 and the bottom plate 12 after being connected is improved.
The working principle of the valve head turning arc machining tool provided by the embodiment of the application is as follows:
when the clamping device is used, the vertical plate 11 is connected with a lathe spindle chuck through the correction spigot 111, the center of the vertical plate 11 coincides with the center of the lathe spindle, the L-shaped fixing frame 1 is calibrated and positioned, then the clamping of the valve head 9 is started, the fastening sleeve 3 and the threaded rod 4 are integrally installed in the positioning sleeve 2, the fastening sleeve 3 is fixed in the positioning sleeve 2 through the threaded connection of the threaded rod 4 and the positioning sleeve 2, then the nut 5 is screwed on the threaded rod 4, the fastening sleeve 3 is locked in the positioning sleeve 2, then the valve head seat 6 is screwed on the inner side of the fastening sleeve 3, the retainer ring 7 is subsequently sleeved on the outer side of the connecting sleeve 61, then the bottom end of the valve head 9 is screwed on the inner side of the connecting sleeve 61, the retainer ring 7 is integrally compressed on the outer side of the top end of the mounting hole 8 of the L-shaped fixing frame 1 through the valve head 9, axial downward acting force can be generated on the threaded rod 4, the fastening sleeve 3, the valve head seat 6 and the valve head 9 mounted on the valve head seat 6 through continued to be further pressed on the top end 8 of the L-shaped fixing frame 1 through the valve head 9, the final turning force of the retainer head 9 can be effectively improved, the internal rotation of the retainer head 9 is prevented from being inserted into the fixing frame 31, and finally the internal rotation of the fixing frame is prevented from being stably inserted into the fixing frame 21.
In this specification, each embodiment is described in a progressive manner, and the same or similar parts of each embodiment are referred to each other, and each embodiment is mainly described as a difference from other embodiments.
The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the present application; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions.
Claims (5)
1. The tool for turning the circular arc of the valve head is characterized by comprising an L-shaped fixing frame (1), a positioning sleeve (2), a fastening sleeve (3), a threaded rod (4), a nut (5), a valve head seat (6) and a retainer ring (7);
the L-shaped fixing frame (1) is provided with a mounting hole (8) in a penetrating mode, and the top end of the positioning sleeve (2) is fixedly connected to the outer side of the bottom end of the mounting hole (8);
the threaded rod (4) is fixedly connected to the outer side of the bottom surface of the fastening sleeve (3);
the fastening sleeve (3) can penetrate through the mounting hole (8) and is sleeved on the inner side of the positioning sleeve (2), the threaded rod (4) can penetrate through the bottom end of the positioning sleeve (2) and is in threaded connection with the positioning sleeve (2), and the nut (5) is in threaded connection with the outer side of the threaded rod (4);
the valve head seat (6) is sleeved on the inner side of the fastening sleeve (3) and is in threaded connection with the inner side of the fastening sleeve (3);
the top end of the valve head seat (6) is fixedly connected with a connecting sleeve (61), the retainer ring (7) is sleeved on the outer side of the connecting sleeve (61), and the inner side of the connecting sleeve (61) is connected with a valve head (9) in a threaded manner;
the outer diameter of the retainer ring (7) is larger than the inner diameter of the mounting hole (8).
2. The valve head turning circular arc machining tool according to claim 1, wherein an anti-rotation groove (31) is formed in the outer side of the fastening sleeve (3), an anti-rotation nail (21) is arranged on the outer side of the positioning sleeve (2) in a penetrating manner along the radial direction, and the end portion of the anti-rotation nail (21) can be inserted into the anti-rotation groove (31).
3. The valve head turning arc machining tool according to claim 1, wherein the L-shaped fixing frame (1) comprises a vertical plate (11) and a bottom plate (12);
the vertical plate (11) is perpendicular to the bottom plate (12) and fixedly connected with the bottom plate;
a correction spigot (111) is arranged in the center of the vertical plate (11) in a penetrating way;
the center of the bottom plate (12) is provided with the mounting hole (8) in a penetrating way.
4. The valve head turning circular arc machining tool according to claim 1, wherein an annular step (32) is formed on the inner side of the top end of the fastening sleeve (3), an annular shoulder (62) is fixedly connected to the outer side of the top end of the valve head seat (6), and the annular shoulder (62) can be lapped on the annular step (32).
5. The valve head turning arc machining tool according to claim 3, wherein the L-shaped fixing frame (1) further comprises two positioning rib plates (10);
the positioning rib plate (10) is fixedly connected between the vertical plate (11) and the bottom plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320519085.9U CN219484206U (en) | 2023-03-17 | 2023-03-17 | Valve head turning arc machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320519085.9U CN219484206U (en) | 2023-03-17 | 2023-03-17 | Valve head turning arc machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219484206U true CN219484206U (en) | 2023-08-08 |
Family
ID=87515463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320519085.9U Active CN219484206U (en) | 2023-03-17 | 2023-03-17 | Valve head turning arc machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219484206U (en) |
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2023
- 2023-03-17 CN CN202320519085.9U patent/CN219484206U/en active Active
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