CN209886716U - Pipe fitting turning positioning fixture - Google Patents
Pipe fitting turning positioning fixture Download PDFInfo
- Publication number
- CN209886716U CN209886716U CN201920378991.5U CN201920378991U CN209886716U CN 209886716 U CN209886716 U CN 209886716U CN 201920378991 U CN201920378991 U CN 201920378991U CN 209886716 U CN209886716 U CN 209886716U
- Authority
- CN
- China
- Prior art keywords
- mandrel
- pipe fitting
- shell
- tensioning mechanism
- fixture
- 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 machining technical field. The utility model provides a pipe fitting turning positioning fixture, which comprises an internal expansion fixture tensioning mechanism, a shell, a fixing part and a rotating support component, wherein the fixing part comprises a fixed end and a connecting end, one end of the shell is connected with the connecting end of the fixing part through the rotating support component, and the other end of the shell is connected with the internal expansion fixture tensioning mechanism; the shell can rotate relative to the connecting end of the fixing piece, and the shell and the internal expansion clamp tensioning mechanism can rotate together; the internal expansion clamp tensioning mechanism is used for clamping the pipe fitting, and the size of the outer contour of the internal expansion clamp tensioning mechanism is adjustable. Compared with the prior art, the beneficial effects of the utility model reside in that: the positioning clamp has the characteristics of small volume and convenience in installation and disassembly, and solves the problem of clamping thin-wall pipe parts; meanwhile, the clamping point is close to the turning point, so that the problem of pipe fitting jumping is solved.
Description
Technical Field
The utility model relates to a machining technical field, concretely relates to pipe fitting turning positioning fixture.
Background
In the actual part production or part machining process, a groove needs to be welded on a lathe inversely, at the moment, turning equipment needs to be used for machining the thin-wall pipe part, firstly, the thin-wall pipe part needs to be clamped and fixed in the first machining step, but when the thin-wall pipe part is positioned by clamping on the existing lathe, the problems of deformation and difficulty in positioning of the thin-wall pipe part easily occur.
Further, if the length of the thin-wall pipe part is too long, when the thin-wall pipe part is positioned by clamping on the existing lathe, the jumping amount of the turning end is too large, and finally the thin-wall pipe part cannot be machined.
Therefore, the design of the turning positioning fixture suitable for the thin-wall pipe fitting is necessary and urgent.
In view of the above-mentioned drawbacks, the authors of the present invention have finally obtained the present invention through long-term research and practice.
Disclosure of Invention
In order to solve the technical defects, the technical scheme adopted by the utility model is that the utility model provides a pipe fitting turning positioning fixture, which is characterized by comprising an internal expansion fixture tensioning mechanism, a shell, a fixing part and a rotating support component, wherein the fixing part comprises a fixed end and a connecting end, one end of the shell is connected with the connecting end of the fixing part through the rotating support component, and the other end of the shell is connected with the internal expansion fixture tensioning mechanism; the shell can rotate relative to the connecting end of the fixing piece, and the shell and the internal expansion clamp tensioning mechanism can rotate together; the internal expansion clamp tensioning mechanism is used for clamping the pipe fitting, and the size of the outer contour of the internal expansion clamp tensioning mechanism is adjustable.
Preferably, the shell is provided with a guide groove; the internal expansion clamp tensioning mechanism comprises a plurality of telescopic positioning blocks, the number of the positioning blocks is matched with that of the guide grooves, the positioning blocks can move in a telescopic mode along the guide grooves, and the plurality of the positioning blocks can clamp the pipe fitting in a combined mode.
Preferably, the internal expanding clamp tensioning mechanism further comprises a spring and a spring support; an inner cavity is formed in the positioning block along the direction of the guide groove; one end of the spring support is inserted into the shell, and the other end of the spring support is inserted into the inner cavity; a spring is arranged in the inner cavity, one end of the spring abuts against the spring supporting piece, the other end of the spring abuts against the inner wall of the positioning block, and the spring can provide power for the inward shrinkage of the positioning block; the spring support is arranged on one side far away from the rotating shaft axis.
Preferably, the internal expanding clamp tensioning mechanism further comprises a movable mandrel, the movable mandrel is a sliding block, one end of the movable mandrel is in contact with the positioning block, the contact position of the rear end of the movable mandrel and the positioning block is of a wedge-shaped structure, and the translational motion of the movable mandrel can be converted into the extending motion of the positioning block.
Preferably, the internal expanding clamp tensioning mechanism further comprises an end cover, the end cover is fixedly connected with the shell, the movable mandrel penetrates through the end cover, the movable mandrel can translate along a sliding groove in the end cover, the rear end of the movable mandrel is arranged in the end cover, and the front end of the movable mandrel is arranged outside the end cover.
Preferably, the connecting end of the fixing member is a rotating mandrel, the rotating support component is a first bearing component, the first bearing component is sleeved on the rotating mandrel, and the first bearing component can provide rotating support for the relative rotation between the shell and the rotating mandrel.
Preferably, the first bearing assembly at least comprises a deep groove ball bearing and an end face bearing, a gasket is arranged between the deep groove ball bearing and the end face bearing, and the deep groove ball bearing, the gasket and the end face bearing are sleeved on the rotary mandrel.
Preferably, the first bearing assembly includes an oil seal cap by which together with the swivel spindle the opening of the internal cavity of the housing is sealed.
Preferably, the rotary mandrel is provided with three steps along the axis direction, the inside of the shell is also correspondingly provided with three steps, and the maximum outer diameter section of the rotary mandrel is used for sleeving an oil seal cover; the shoulder part of the rotary mandrel close to the deep groove ball bearing can be clamped with the deep groove ball bearing, and the minimum outer diameter section of the rotary mandrel is connected with the shell through a bearing sleeved outside the rotary mandrel.
Preferably, the housing is provided with a through hole for filling the internal cavity of the housing with the lubricating liquid.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model provides a pipe fitting turning positioning clamp, which has the characteristics of small volume and convenient installation and disassembly, and solves the clamping problem of thin-wall pipe fittings; meanwhile, the clamping point is close to the turning point, so that the problem of pipe fitting jumping is solved.
Drawings
Fig. 1 is a schematic structural view of a pipe fitting turning positioning fixture in embodiment 1 of the present invention;
fig. 2 is a longitudinal sectional view schematically showing a pipe fitting turning positioning jig in embodiment 1 of the present invention;
fig. 3 is a schematic view of the fixing position of the positioning mandrel in embodiment 1 of the present invention;
fig. 4 is a front view of a positioning mandrel according to embodiment 1 of the present invention;
fig. 5 is a left side view of the positioning mandrel according to embodiment 1 of the present invention.
Reference numerals:
the device comprises an oil seal cover 1, a deep groove ball bearing 2, a gasket 3, an end face bearing 4, a rotary mandrel 5, a shell 6, a spring 7, a positioning block 8, a movable mandrel 9, an end cover 10, a fixing piece 11, a positioning groove 20, a three-jaw chuck 30 and a pipe fitting 100.
Detailed Description
The above and further features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings.
It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for purposes of convenience only and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The utility model provides a pipe fitting turning positioning fixture, it includes that the anchor clamps that rise tight mechanism, casing, mounting and rotation supporting component in. The mounting includes a fixed end and a connection end. One end of the shell is connected with the connecting end of the fixing piece through the rotating supporting assembly, and the other end of the shell is connected with an internal expansion clamp tensioning mechanism. The casing can rotate relative to the connecting end of the fixing piece, and the casing can rotate together with the internal expanding clamp tensioning mechanism. The internal expanding clamp tensioning mechanism is used for clamping the pipe fitting, and the size of the outer contour of the internal expanding clamp tensioning mechanism is adjustable.
Example 1
Fig. 1 is a schematic structural view of a pipe fitting turning positioning fixture in embodiment 1 of the present invention; fig. 2 is a longitudinal section schematic view of the pipe fitting turning positioning fixture in embodiment 1 of the present invention. As shown in fig. 1 and 2, embodiment 1 of the present invention provides a pipe fitting turning positioning fixture, which includes an internal expanding fixture tensioning mechanism, a housing 6, a fixing member 11, and a rotating support assembly. The fixing member 11 includes a fixing end and a connection end. One end of the shell 6 is connected with the connecting end of the fixing part 11 through the rotating supporting component, and the other end of the shell 6 is connected with an internal expanding clamp tensioning mechanism. The shell 6 can rotate relative to the connecting end of the fixing piece, and the shell 6 can rotate together with the internal expanding clamp tensioning mechanism. The outer diameter of the internal expanding clamp tensioning mechanism can be adjusted.
In this embodiment, preferably, the connecting end of the fixing member 11 is inserted into the inner cavity of the housing 6, the rotation supporting component is sleeved on the connecting end of the fixing member 11, and the rotation supporting component is disposed between the connecting end of the fixing member 11 and the inner wall of the inner cavity of the housing 6.
Further, the attachment end of the fixing member 11 is preferably the turning core shaft 5. The rotating support component is sleeved on the rotating mandrel 5. The rotation support assembly can provide rotational support for relative rotation between the housing 6 and the swivel spindle 5. The rotation supporting component can reduce the friction coefficient between the shell 6 and the rotation core shaft 5 in the relative rotation process and ensure the rotation precision.
In this embodiment, the rotary support assembly is preferably a first bearing assembly. The first bearing assembly is sleeved on the rotary mandrel 5. The first bearing assembly is capable of providing rotational support for relative rotation between the housing 6 and the swivel spindle 5. The first bearing assembly at least comprises a deep groove ball bearing 2 and an end face bearing 4, a gasket 3 is arranged between the deep groove ball bearing 2 and the end face bearing 4, the deep groove ball bearing 2, the gasket 3 and the end face bearing 4 are sleeved on the rotary mandrel 5, namely the gasket 3 is clamped between the deep groove ball bearing 2 and the end face bearing 4 along the axial direction of the rotary mandrel 5.
In order to adapt to high-speed rotation and reduce the friction coefficient, a lubricant is preferably added into the inner cavity of the shell 6, and the lubricant can enable the deep groove ball bearing 2 and the end face bearing 4 to rotate smoothly and can also provide lubrication guarantee for parts moving relatively in the inner cavity of the shell 6. Further, the first bearing assembly further comprises an oil seal cap 1. Because the fixed end of the fixed part 11 and the connecting end of the fixed part 11 are respectively positioned inside and outside the shell 6, the oil seal cover 1 is selected to be matched with the rotary mandrel 5 to jointly seal the opening of the inner cavity of the shell 6. This ensures that no significant leakage of lubricant occurs.
Preferably, the revolving spindle 5 is provided with three steps along the axial direction, and the inside of the housing 6 is correspondingly provided with three steps. The largest outer diameter section of the rotary mandrel 5 is suitable for sleeving the oil seal cover 1. The maximum outer diameter section of the rotary mandrel 5 is matched with the oil seal cover 1 to realize sealing, namely the oil seal cover 1 is arranged between the opening of the inner cavity of the shell 6 and the rotary mandrel 5. The shoulder of the rotary mandrel 5 close to the deep groove ball bearing 2 can be clamped with the deep groove ball bearing 2, the stepped design enables the rotation stability to be better, and the connection of the first bearing assembly to be more reliable. The smallest outer diameter section of the rotary mandrel 5 is connected with the shell 6 through a bearing sleeved outside the rotary mandrel. The design of the minimum outer diameter section of the rotary mandrel 5, the shell 6 and the bearing between the two can further ensure the stability of the axial direction of the rotary mandrel 5.
The housing 6 is provided with a through hole for filling the internal cavity with the lubricating liquid.
The internal expanding clamp tensioning mechanism comprises a spring 7, a positioning block 8, a movable mandrel 9, an end cover 10 and a spring support. The number of the positioning blocks 8 is at least two, the positioning blocks 8 can clamp the pipe fitting together, the number and the positions of the positioning blocks 8 can be set as standards by clamping the pipe fitting, for example, 2 positioning blocks are arranged, and the 2 positioning blocks can be oppositely arranged by taking the same diameter as a reference. Or for example, 3 positioning blocks are arranged in the circumferential direction of the housing 6, and the radian of every two of the 3 positioning blocks can be equal. The shell 6 is provided with guide grooves with the number equal to that of the positioning blocks 8, the positioning blocks 8 are arranged in the guide grooves, the positioning blocks 8 can move in the guide grooves along the radial direction, the movable core shaft 9 can push the positioning blocks 8 to extend outwards, and the springs 7 can provide power for the positioning blocks 8 to retract inwards.
The end cover 10 is fixedly connected with the shell 6, the movable core shaft 9 penetrates through the end cover 10, the movable core shaft 9 can translate along a sliding groove of the end cover 10, the rear end of the movable core shaft 9 is arranged inside the end cover 10, and the front end of the movable core shaft 9 is arranged outside the end cover 10. The rear end of the movable mandrel 9 is used for contacting and extruding the positioning block 8, and when the movable mandrel 9 pushes the positioning block 8, the translation of the movable mandrel 9 is converted into the radial outward extending movement of the positioning block 8.
An inner cavity is arranged inside the positioning block 8 along the direction of the guide groove, one end of the spring support piece is inserted into the shell 6, and the other end of the spring support piece is inserted into the inner cavity. A spring 7 is arranged in the inner cavity, one end of the spring 7 is abutted against the spring support piece, and the other end of the spring 7 is abutted against the inner wall of the positioning block 8. The spring support is spaced from the axis of rotation. The movable mandrel 9 is a slide block. When the movable mandrel 9 pushes the positioning block 8 in the positive direction, the translational conversion of the movable mandrel 9 is realized for the radial outward movement of the positioning block 8, and meanwhile, the spring 7 is compressed. Whereby the pipe turning positioning fixture can clamp the pipe 100. When the clamped pipe fitting 100 needs to be released, the movable core shaft 9 moves reversely, and the elastic force of the spring 7 pushes the positioning block 8 to move in a retracting manner along the guide groove. Preferably, the contact position of the rear end of the movable core shaft 9 and the positioning block 8 is a wedge-shaped structure, and the wedge-shaped structure may be a conical surface, an inclined surface or other wedge-shaped structures capable of converting translation into radial motion.
Fig. 3 is a schematic view of the fixing position of the positioning mandrel in embodiment 1 of the present invention; fig. 4 is a front view of a positioning mandrel according to embodiment 1 of the present invention; fig. 5 is a left side view of the positioning mandrel according to embodiment 1 of the present invention. As shown in fig. 3 to 5, the embodiment 1 of the present invention provides a pipe turning positioning fixture, which further includes a positioning core shaft 2, wherein the positioning core shaft 2 is provided with a positioning groove 20 for inserting the front end of the movable core shaft 9.
The utility model discloses pipe fitting turning positioning fixture working process in embodiment 1 does:
the fixed end of the fixed part 11 is clamped on the lathe tailstock, and one end of the positioning mandrel 2 far away from the positioning groove 20 is clamped on the lathe three-jaw chuck 30. The tailstock is moved in a sliding mode to enable the positioning mandrel 2 to tightly press the movable mandrel 9, the movable mandrel 9 pushes the positioning block 8 to move along the guide groove to clamp the thin-wall pipe fitting 100, the movable mandrel 9 moves axially, and the movable mandrel 9 pushes the positioning block 8 to move radially, so that the positioning block 8 tightly presses the inner wall of the pipe fitting 100. The positioning mandrel 2 drives the movable mandrel 9 to rotate through friction force, and the movable mandrel 9 drives the shell 6 and the positioning block 8 to rotate along the axial direction through friction force, so that the thin-wall pipe fitting 100 rotates. After the lathe is started, the three-jaw chuck 30 rotates to drive the positioning mandrel 2 to rotate, and the positioning mandrel 2 drives the movable mandrel 9, the positioning block 8, the shell 6 and the pipe fitting 100 to rotate through friction force.
The utility model has the advantages that the positioning clamp has the characteristics of small volume and convenient installation and disassembly, and solves the clamping problem of thin-wall pipe parts; meanwhile, the clamping point is close to the turning point, so that the problem of pipe fitting jumping is solved.
Example 2
The present embodiment is different from embodiment 1 in that:
preferably, the through hole is a counter bore, and the pressure filling oil cup is mounted on the through hole.
Example 3
The present embodiment is different from embodiment 1 in that:
the embodiment 3 of the utility model provides a pipe fitting turning positioning fixture, it rises and tightly constructs, casing, mounting and rotation supporting component including the interior anchor clamps that rise. The mounting includes a fixed end and a connection end. One end of the shell is connected with the connecting end of the fixing piece through the rotating supporting assembly, and the other end of the shell is connected with an internal expansion clamp tensioning mechanism. The casing can rotate relative to the connecting end of the fixing piece, and the casing can rotate together with the internal expanding clamp tensioning mechanism. The outer diameter of the internal expanding clamp tensioning mechanism can be adjusted.
Preferably in this embodiment, the link of mounting cup joints the outside at the casing, rotates the supporting component and cup joints on the casing, is provided with the inner chamber on the link of mounting, rotates the supporting component and sets up between the link inner wall and the casing outer wall of mounting.
In this embodiment, the rotary support assembly is preferably a second bearing assembly.
Example 4
The present embodiment is different from embodiment 2 in that:
the embodiment 4 of the utility model provides a pipe fitting turning positioning fixture, it rises and tightly constructs, casing, mounting and rotation supporting component including the interior anchor clamps that rise. The mounting includes a fixed end and a connection end. One end of the shell is connected with the connecting end of the fixing piece through the rotating supporting assembly, and the other end of the shell is connected with an internal expansion clamp tensioning mechanism. The casing can rotate relative to the connecting end of the fixing piece, and the casing can rotate together with the internal expanding clamp tensioning mechanism. The outer diameter of the internal expanding clamp tensioning mechanism can be adjusted.
Preferably in this embodiment, the link of mounting cup joints the outside at the casing, rotates the supporting component and cup joints on the casing, is provided with the inner chamber on the link of mounting, rotates the supporting component and sets up between the link inner wall and the casing outer wall of mounting.
In this embodiment, the rotary support assembly is preferably a second bearing assembly.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative, not limiting. The utility model discloses in all can change to some extent structure and connected mode etc. of each part all be in the utility model discloses equal transform and the improvement of going on technical scheme's the basis all should not get rid of the utility model discloses an outside the protection scope.
Claims (10)
1. A pipe fitting turning positioning fixture is characterized by comprising an internal expansion fixture tensioning mechanism, a shell, a fixing piece and a rotating support assembly, wherein the fixing piece comprises a fixed end and a connecting end, one end of the shell is connected with the connecting end of the fixing piece through the rotating support assembly, and the other end of the shell is connected with the internal expansion fixture tensioning mechanism; the shell can rotate relative to the connecting end of the fixing piece, and the shell and the internal expansion clamp tensioning mechanism can rotate together; the internal expansion clamp tensioning mechanism is used for clamping the pipe fitting, and the size of the outer contour of the internal expansion clamp tensioning mechanism is adjustable.
2. The pipe fitting turning positioning fixture of claim 1, wherein a guide groove is formed on the housing; the internal expansion clamp tensioning mechanism comprises a plurality of telescopic positioning blocks, the number of the positioning blocks is matched with that of the guide grooves, the positioning blocks can move in a telescopic mode along the guide grooves, and the plurality of the positioning blocks can clamp the pipe fitting in a combined mode.
3. The pipe fitting turning positioning fixture of claim 2, wherein the internal expanding fixture tensioning mechanism further comprises a spring and a spring support; an inner cavity is formed in the positioning block along the direction of the guide groove; one end of the spring support is inserted into the shell, and the other end of the spring support is inserted into the inner cavity; a spring is arranged in the inner cavity, one end of the spring abuts against the spring supporting piece, the other end of the spring abuts against the inner wall of the positioning block, and the spring can provide power for the inward shrinkage of the positioning block; the spring support is arranged on one side far away from the rotating shaft axis.
4. The pipe fitting turning positioning fixture of claim 3, wherein the internal expanding fixture tensioning mechanism further comprises a movable mandrel, the movable mandrel is a slider, one end of the movable mandrel is in contact with the positioning block, a contact part of the rear end of the movable mandrel and the positioning block is in a wedge-shaped structure, and translation of the movable mandrel can be converted into extension movement of the positioning block.
5. The pipe fitting turning positioning fixture of claim 4, wherein the internal expanding fixture tensioning mechanism further comprises an end cover, the end cover is fixedly connected with the housing, the movable mandrel penetrates through the end cover, the movable mandrel can translate along a sliding groove in the end cover, the rear end of the movable mandrel is arranged in the end cover, and the front end of the movable mandrel is arranged outside the end cover.
6. The pipe fitting turning positioning fixture of any one of claims 1-5, wherein the connecting end of the fixture is a rotating mandrel, the rotating support assembly is a first bearing assembly, the first bearing assembly is sleeved on the rotating mandrel, and the first bearing assembly is capable of providing rotating support for relative rotation between the housing and the rotating mandrel.
7. The pipe fitting turning positioning fixture of claim 6, wherein the first bearing assembly at least comprises a deep groove ball bearing and an end face bearing, a gasket is arranged between the deep groove ball bearing and the end face bearing, and the deep groove ball bearing, the gasket and the end face bearing are sleeved on the rotary mandrel.
8. The pipe fitting turning positioning fixture of claim 6, wherein the first bearing assembly includes an oil seal cap, through which together with the swivel mandrel, the opening of the internal cavity of the housing is sealed.
9. The pipe fitting turning positioning fixture of claim 7, wherein the rotating mandrel is provided with three steps along an axial direction, the inside of the shell is correspondingly provided with three steps, and the maximum outer diameter section of the rotating mandrel is used for sleeving an oil seal cover; the shoulder part of the rotary mandrel close to the deep groove ball bearing can be clamped with the deep groove ball bearing, and the minimum outer diameter section of the rotary mandrel is connected with the shell through a bearing sleeved outside the rotary mandrel.
10. The pipe fitting turning positioning fixture of any one of claims 1-5 and 7-9, wherein a through hole for filling lubricating fluid into the internal cavity of the housing is formed in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920378991.5U CN209886716U (en) | 2019-03-25 | 2019-03-25 | Pipe fitting turning positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920378991.5U CN209886716U (en) | 2019-03-25 | 2019-03-25 | Pipe fitting turning positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209886716U true CN209886716U (en) | 2020-01-03 |
Family
ID=69017616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920378991.5U Active CN209886716U (en) | 2019-03-25 | 2019-03-25 | Pipe fitting turning positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209886716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023245558A1 (en) * | 2022-06-21 | 2023-12-28 | 四川航天长征装备制造有限公司 | Piston ring having dual-angle wedged sliding blocks |
-
2019
- 2019-03-25 CN CN201920378991.5U patent/CN209886716U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023245558A1 (en) * | 2022-06-21 | 2023-12-28 | 四川航天长征装备制造有限公司 | Piston ring having dual-angle wedged sliding blocks |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109551259B (en) | Direct-drive rotary table system based on hydrostatic composite bearing | |
| CN209886716U (en) | Pipe fitting turning positioning fixture | |
| CN105458317A (en) | Hydraulic tensioning clamping mandrel for thin-wall shaft sleeve | |
| CN208966860U (en) | Roller bearing | |
| CN112621312B (en) | Clamping system for metal plastic composite pipe composite process | |
| CN103252375B (en) | Fixing device for extrusion rod of extruding machine | |
| CN112555225A (en) | Guide sleeve for hydraulic cylinder | |
| CN218997315U (en) | Hydraulic and electric combined rotary joint | |
| CN216326608U (en) | Automobile cylinder sleeve fine boring bidirectional clamp | |
| CN215903012U (en) | Seal welding expansion and contraction device | |
| CN206398084U (en) | Pitot tube pump radial double mechanical seal | |
| CN105562839B (en) | Gear grinding machine with worm grinding wheel rotary table | |
| CN111618317B (en) | Motor casing ultra-precision numerical control machine tool | |
| CN211804876U (en) | Pneumatic internal expansion clamp of steering gear shell | |
| CN217801354U (en) | Assembly jig for sealing blade motor by sealing ring | |
| CN213702619U (en) | Middle-drive bidirectional clamping seat mechanism | |
| CN210282006U (en) | Bellows leak protection liquid plastics anchor clamps | |
| CN111451955A (en) | Split integrated self-synchronizing horizontal pushing chuck | |
| CN202571862U (en) | Automatic clamping device | |
| CN112428178A (en) | Flexible gear automatic centering device | |
| CN219094142U (en) | Welding positioning tool | |
| CN205618468U (en) | Pushing -type clamping device is with rotatory hydro -cylinder in among CNC tube bending machine | |
| CN212371915U (en) | Workpiece positioning structure of superfinishing machine | |
| CN202571863U (en) | Automatic clamping device | |
| CN220739997U (en) | Expansion mechanism and positioning tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |