CN210615829U - Milling fixture suitable for tubbiness thin wall part - Google Patents
Milling fixture suitable for tubbiness thin wall part Download PDFInfo
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- CN210615829U CN210615829U CN201921348904.8U CN201921348904U CN210615829U CN 210615829 U CN210615829 U CN 210615829U CN 201921348904 U CN201921348904 U CN 201921348904U CN 210615829 U CN210615829 U CN 210615829U
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- 238000003801 milling Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000003825 pressing Methods 0.000 claims abstract description 44
- 238000003754 machining Methods 0.000 abstract description 19
- 230000009471 action Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of fixture tools, in particular to a milling fixture suitable for barrel-shaped thin-wall parts, which comprises a base, wherein an inner wall clamping device and an outer wall clamping device are arranged on the base; the inner wall clamping device comprises a vertical pressing mechanism and a transverse pressing mechanism, the vertical pressing mechanism is used for pressing the upper end face of the part to be processed, and the transverse pressing mechanism is used for pressing the inner wall of the part to be processed; the outer wall clamping device is used for connecting the outer wall of the part to be processed; the inner wall clamping device and the outer wall clamping device are detachably connected with the base respectively, the device is simple in structure, and the problems that an inner wall clamp is unstable in conventional milling clamp outer wall machining, shifting and deformation are easily caused in a part machining process, and repeated positioning is required due to repeated clamping are solved.
Description
Technical Field
The utility model relates to an anchor clamps frock technical field especially relates to a milling fixture suitable for tubbiness thin wall part.
Background
For milling the inner and outer walls of thin-wall parts such as a spacecraft shell section and a barrel, multiple clamping and repeated positioning are generally needed, particularly for processing barrel-shaped thin-wall parts, the parts are high in height and poor in stability, grooves are formed on the periphery, only the bottom edge of a swing shaft can be used for processing, but the radial cutting force is large in the processing of the bottom edge of the swing shaft, and the displacement and deformation of the parts in the processing process are easily caused due to unstable clamping of the inner wall in the processing process of the outer wall of a conventional milling fixture, so that the fixture which is stable in clamping and can achieve the processing of the inner and outer walls of the barrel-shaped thin-wall parts on one station needs to be provided.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide a milling fixture suitable for tubbiness thin wall part.
In order to achieve the above object, the utility model adopts the following technical scheme:
a milling fixture suitable for barrel-shaped thin-walled parts comprises a base, wherein an inner wall clamping device and an outer wall clamping device are arranged on the base; the inner wall clamping device comprises a vertical pressing mechanism and a transverse pressing mechanism, the vertical pressing mechanism is used for pressing the upper end face of the part to be processed, and the transverse pressing mechanism is used for pressing the inner wall of the part to be processed; the outer wall clamping device is used for pressing the outer wall of the part to be processed; the inner wall clamping device and the outer wall clamping device are detachably connected with the base respectively.
An inner wall clamping device and an outer wall clamping device are arranged on a base of the milling fixture, the inner wall clamping device comprises a vertical pressing mechanism and a transverse pressing mechanism, a barrel-shaped thin-wall part is placed on the base, the vertical pressing mechanism presses the upper end surface of the barrel-shaped thin-wall part along the vertical action, the transverse pressing mechanism presses the inner wall of the barrel-shaped thin-wall part along the transverse action, the parts are clamped stably through the transverse and vertical double actions of the inner wall clamping device, after the outer wall of the part is machined, the inner wall clamping device is disassembled and connected with the outer wall clamping device through a preset tool on the outer wall of the part, so that the inner wall machining of the part is facilitated, the inner wall machining and the outer wall machining of the part are completed on one station, the machining period is shortened, the device is simple in structure, the problem that the inner wall clamping is not stable in the outer wall machining of the conventional, and the problems of multiple clamping and repeated positioning are solved.
Preferably, the inner wall clamping device further comprises a barrel-shaped support, the vertical pressing mechanism and the horizontal pressing mechanism are arranged on the barrel-shaped support, the barrel-shaped support is detachably connected with the upper end face of the base, the vertical pressing mechanism and the horizontal pressing mechanism are detachably connected with the bottom face of the barrel-shaped support respectively, the inner wall clamping device further comprises the barrel-shaped support, the barrel-shaped support is detachably connected with the upper end face of the base, the vertical pressing mechanism and the horizontal pressing mechanism are detachably connected with the bottom of the barrel-shaped support respectively, after the outer wall of a part is machined, the outer wall of the part to be machined is connected through the outer wall clamping device, the inner wall clamping device is detached, and the machining of the inner wall and the outer wall of the barrel-shaped thin-wall part is completed on one station.
Preferably, vertical hold-down mechanism includes apron and interior support cylinder, the bottom of interior support cylinder's one end and tubbiness support can be dismantled and be connected, and the other end can be dismantled with the apron and be connected, and vertical hold-down mechanism includes apron and interior support cylinder, and interior support cylinder can be dismantled with the apron and be connected, and in the use, the apron is installed in interior support cylindrical upper end and is compressed tightly tubbiness thin-walled part's up end, prevents that the part from shifting along vertical beating in the course of working.
Preferably, the top end of the inner support cylinder is provided with a cylinder body, the inner support cylinder and the cylinder body are integrally formed, a through hole matched with the cylinder body is formed in the cover plate, the cylinder body and the cover plate are connected through bolts, the cover plate is installed on the inner support cylinder through the through hole, the cylinder body and the cover plate are connected through bolts, and after the cover plate is adjusted in place, the cover plate is tightly pressed on the upper end of the barrel-shaped thin-wall part through the bolts, so that the part is tightly pressed along the vertical direction.
Preferably, the transverse pressing mechanism comprises a frame structure and screws, the frame structure is provided with a plurality of threaded holes, the screws penetrate through the threaded holes, the frame structure is provided with a plurality of threaded holes, the screws are mounted in the threaded holes and rotate along the threaded holes to press the inner walls of the parts, and the parts are prevented from moving transversely in the machining process.
Preferably, the threaded holes are vertically and uniformly distributed along the side wall of the frame structure, and the threaded holes are vertically and uniformly distributed along the side wall of the frame structure, so that the same screws applied to all regions of the barrel-shaped thin-wall part are compressed, and all parts of the part are stressed uniformly.
Preferably, the outer wall clamping device comprises a plurality of outer supporting members, the outer supporting members are circumferentially and uniformly distributed along the outer side of the barrel-shaped support, so that all parts of the part are kept balanced under the action of the outer supporting members, and the part is prevented from shifting in the machining process.
Preferably, outer support member includes supporting seat and outer support cylinder, the supporting seat can be dismantled with the base and be connected, outer support cylinder can be dismantled with the supporting seat and be connected, outer support cylindrical top is provided with the bolt fastener, and the supporting seat can be dismantled with the base and be connected, and outer support cylinder can be dismantled with the supporting seat and be connected to make things convenient for the installation of outer support member to dismantle, can install the cylindrical top of outer support with the frock of predetermineeing on the part lateral wall through the bolt fastener.
Preferably, the height of tubbiness support is the same with the supporting seat, adds man-hour carrying out the part outer wall, at first dismantles outer support cylinder, installs the part on tubbiness support on the supporting seat through the frock of predetermineeing on the outer wall, and tubbiness support is the same with the supporting seat height, avoids the supporting seat to interfere outer wall processing.
Preferably, the base is provided with a sliding groove, and the sliding groove is formed in the base, so that the milling fixture can be conveniently fixed on a workbench of a machine tool.
Compared with the prior art, the utility model has the advantages of: the utility model discloses be provided with inner wall clamping device and outer wall clamping device on milling fixture's the base, inner wall clamping device includes vertical hold-down mechanism and horizontal hold-down mechanism, put tubbiness thin wall part on the base, vertical hold-down mechanism compresses tightly the up end of tubbiness thin wall part along vertical action, horizontal hold-down mechanism compresses tightly the inner wall of tubbiness thin wall part along horizontal action, make the part clamping firm through the horizontal and vertical dual action of inner wall clamping device, after the processing of part outer wall is accomplished, dismantle inner wall clamping device and connect with outer wall clamping device through the preset frock on the part outer wall, thereby facilitate the inner wall processing of part, thereby realized accomplishing the inside and outside wall processing of part on a station, processing cycle has been reduced, this device simple structure, solved the processing of conventional milling fixture outer wall and not firm to the inner wall clamping, lead to shifting and deformation in the part course easily, and the problems of multiple clamping and repeated positioning are solved.
The beneficial effects of other embodiments of the application are as follows:
1. the inner wall clamping device further comprises a barrel-shaped support, the barrel-shaped support is detachably connected with the upper end face of the base, the vertical pressing mechanism and the horizontal pressing mechanism are detachably connected with the bottom of the barrel-shaped support respectively, after the outer wall of the part is machined, the outer wall of the part to be machined is connected through the outer wall clamping device, the inner wall clamping device is detached, and machining of the inner wall and the outer wall of the barrel-shaped thin-walled part is completed on one station.
2. The vertical pressing mechanism comprises a cover plate and an inner supporting cylinder, the inner supporting cylinder is detachably connected with the cover plate, and in the using process, the cover plate is installed at the upper end of the inner supporting cylinder and presses the upper end face of the barrel-shaped thin-wall part to prevent the part from shifting along vertical jumping in the machining process.
3. The cover plate is installed on the inner support cylinder through the through hole, the screw cylinder body is connected with the cover plate through the bolt, and after the cover plate is adjusted in place, the cover plate can be tightly pressed on the upper end of the barrel-shaped thin-wall part through the bolt, so that the part is tightly pressed along the vertical direction.
4. The frame structure is provided with a plurality of threaded holes, and the screws are arranged in the threaded holes and rotate along the threaded holes to compress the inner walls of the parts, so that the parts are prevented from moving along the transverse direction in the machining process.
5. The threaded holes are vertically and uniformly distributed along the side wall of the frame body structure, so that the same screws applied to all regions of the barrel-shaped thin-wall part are compressed tightly, and all parts of the part are stressed uniformly.
6. The outer supporting members are circumferentially and uniformly distributed along the outer side of the barrel-shaped support, so that each part of the part is kept balanced under the action of the outer supporting members, and the part is prevented from shifting in the machining process.
7. The supporting seat is detachably connected with the base, the outer supporting cylinder is detachably connected with the supporting seat, so that the outer supporting component is conveniently installed and detached, and the preset tool on the side wall of the part can be installed at the top end of the outer supporting cylinder through the bolt fastener.
8. At first, dismantle outer support cylinder, install the part on tubbiness support the part pass through the frock of predetermineeing on the outer wall and install on the supporting seat, tubbiness support is the same with the supporting seat height, avoids the supporting seat to interfere outer wall processing.
9. Through set up the spout on base 1, conveniently fix milling fixture on the workstation of lathe through the spout.
Drawings
Fig. 1 is a schematic structural diagram of a milling fixture suitable for barrel-shaped thin-walled parts according to the present invention;
fig. 2 is a schematic mechanism diagram of another view angle of the milling fixture for barrel-shaped thin-walled parts according to the present invention;
fig. 3 is a schematic structural view of the inner wall clamping device of the present invention clamping a part;
fig. 4 is a schematic structural view of the outer supporting member clamping part of the present invention.
Reference numerals
The machining method comprises the following steps of 1-a base, 1 a-a sliding groove, 2-an inner wall clamping device, 2 a-a vertical pressing mechanism, 2a 1-a cover plate, 2a 2-an inner supporting cylinder, 2a 3-a screw column body, 2 b-a transverse pressing mechanism, 2b 1-a frame body structure, 2b 2-a screw, 2 c-a barrel-shaped support, 3-an outer supporting member, 3 a-a supporting seat, 3 b-an outer supporting cylinder, 3 c-a bolt fastener, 4-a part to be machined and 41-a preset tool.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the milling fixture for barrel-shaped thin-walled parts of this embodiment includes a base 1, a chute 1a, an inner wall clamping device 2, a vertical pressing mechanism 2a, a cover plate 2a1, an inner support cylinder 2a2, a screw cylinder 2a3, a transverse pressing mechanism 2b, a frame structure 2b1, a screw 2b2, a barrel-shaped support 2c, an outer support member 3, a support base 3a, an outer support cylinder 3b, a bolt fastener 3c, a part to be machined 4, a preset tool 41, an inner wall clamping device 2 and an outer wall clamping device 3 provided on the base of the milling fixture, the inner wall clamping device 2 includes a vertical pressing mechanism 2a and a transverse pressing mechanism 2b, the barrel-shaped thin-walled part is placed on the base 1, the vertical pressing mechanism 2a presses the upper end face of the barrel-shaped thin-walled part along the vertical action, the inner wall of the barrel-shaped thin-wall part is compressed by the transverse compressing mechanism 2b along the transverse action, the part is clamped stably by the transverse and vertical double actions of the inner wall clamping device 2, the part is compressed along the inner wall of the barrel-shaped thin-wall part and the upper end face to facilitate the processing of the outer wall of the part, after the processing of the outer wall of the part is completed, the inner wall clamping device 2 is disassembled, and the part is fixed by being connected with the outer wall clamping device through the preset tool 41 on the outer wall of the part, so that the processing of the inner wall of the part is facilitated, the processing of the inner wall and the outer wall of the part is completed on one station, the processing period is shortened, the device is simple in structure, and the problems that the clamping of the inner wall of the part is unstable, the shifting and the deformation in.
Inner wall clamping device 2 still includes tubbiness support 2c, tubbiness support 2c can be dismantled with base 1's up end and be connected, vertical hold-down mechanism 2a and horizontal hold-down mechanism 2b can be dismantled with tubbiness support 2 c's bottom respectively and be connected, after accomplishing part outer wall processing, dismantle inner wall clamping device 2 on the base 1 back through treating to process the frock 41 connection outer wall clamping device that predetermines on the part 4 outer wall, process the inner wall of part, thereby realize accomplishing the interior to tubbiness thin wall part on a station, outer wall processing.
The vertical pressing mechanism 2a comprises a cover plate 2a1 and an inner support cylinder 2a2, the inner support cylinder 2a2 is detachably connected with the cover plate 2a1, and in the use process, the cover plate 2a1 is installed at the upper end of the inner support cylinder 2a2 and presses the upper end face of the barrel-shaped thin-walled part to prevent the part from jumping vertically in the machining process.
The cover plate 2a1 is mounted on the inner support cylinder 2a2 through a through hole, the stud body 2a3 is connected with the cover plate 2a1 through bolts, and after the cover plate 2a1 is adjusted in place, the cover plate 2a1 can be pressed on the upper end of the barrel-shaped thin-walled part through the bolts, so that the part can be pressed vertically.
A plurality of threaded holes are formed in the frame body structure 2b1, and the screws 2b2 are mounted in the threaded holes and rotate along the threaded holes to press the inner walls of the parts tightly, so that the parts are prevented from moving transversely in the machining process.
The threaded holes are vertically and uniformly distributed along the side wall of the frame body structure 2b1, so that each area of the barrel-shaped thin-wall part is pressed by the same screw 2b2, and all parts of the part are stressed uniformly.
The outer supporting members 3 are circumferentially and uniformly distributed along the outer side of the barrel-shaped support 2c, so that all parts of the part are kept balanced by the acting force of the outer supporting member 2c, and the part is prevented from shifting in the machining process.
When the outer wall of the part is machined, the outer supporting cylinder 3b is firstly detached, the part is installed on the barrel-shaped support 2c, the part is installed on the supporting seat 3a through the preset tool 41 on the outer wall, the height of the barrel-shaped support 2c is the same as that of the supporting seat 3a, and the supporting seat 3a is prevented from interfering with the machining of the outer wall.
Supporting seat 3a can be dismantled with base 1 and be connected, and outer support cylinder 3b can be dismantled with supporting seat 3a and be connected, can install the top in outer support cylinder 3b with the frock 41 of predetermineeing on the part lateral wall through bolt fastener 3 c.
Through set up spout 1a on base 1, conveniently fix milling fixture on the workstation of lathe through spout 1 a.
The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all technical solutions and modifications without departing from the spirit and scope of the present invention should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a milling fixture suitable for tubbiness thin wall part, includes base (1), its characterized in that: an inner wall clamping device (2) and an outer wall clamping device are arranged on the base (1); the inner wall clamping device (2) comprises a vertical pressing mechanism (2a) and a transverse pressing mechanism (2b), the vertical pressing mechanism (2a) is used for pressing the upper end face of the part (4) to be machined, and the transverse pressing mechanism (2b) is used for pressing the inner wall of the part (4) to be machined; the outer wall clamping device is used for pressing the outer wall of the part (4) to be processed; the inner wall clamping device (2) and the outer wall clamping device are detachably connected with the base (1) respectively.
2. A milling fixture suitable for barrel-shaped thin-walled parts according to claim 1, characterized in that: inner wall clamping device (2) still includes tubbiness support (2c), vertical hold-down mechanism (2a) and horizontal hold-down mechanism (2b) all set up on tubbiness support (2c), tubbiness support (2c) can be dismantled with the up end of base (1) and be connected, vertical hold-down mechanism (2a) and horizontal hold-down mechanism (2b) can be dismantled with the bottom surface of tubbiness support (2c) respectively and be connected.
3. A milling fixture suitable for barrel-shaped thin-walled parts according to claim 2, characterized in that: the vertical pressing mechanism (2a) comprises a cover plate (2a1) and an inner support cylinder (2a2), one end of the inner support cylinder (2a2) is detachably connected with the bottom of the barrel-shaped support (2c), and the other end of the inner support cylinder is detachably connected with the cover plate (2a 1).
4. A milling fixture suitable for barrel-shaped thin-walled parts according to claim 3, characterized in that: the top end of the inner support cylinder (2a2) is provided with a screw column body (2a3), the inner support cylinder (2a2) and the screw column body (2a3) are integrally formed, a through hole matched with the screw column body (2a3) is formed in the cover plate (2a1), and the screw column body (2a3) and the cover plate (2a1) are connected through bolts.
5. The milling fixture suitable for the barrel-shaped thin-walled parts is characterized in that the transverse pressing mechanism (2b) comprises a frame structure (2b1) and a screw (2b2), the frame structure (2b1) is provided with a plurality of threaded holes, and the screw (2b2) penetrates through the threaded holes.
6. A milling fixture suitable for barrel-shaped thin-walled parts according to claim 5, characterized in that: the threaded holes are vertically and evenly distributed along the side wall of the frame body structure (2b 1).
7. A milling fixture suitable for barrel-shaped thin-walled parts according to claim 1, characterized in that: the outer wall clamping device comprises a plurality of outer supporting members (3), and the outer supporting members (3) are circumferentially and uniformly distributed along the outer side of the barrel-shaped support (2 c).
8. A milling fixture suitable for barrel-shaped thin-walled parts according to claim 7, characterized in that: the outer supporting member (3) comprises a supporting seat (3a) and an outer supporting cylinder (3b), the supporting seat (3a) is detachably connected with the base (1), the outer supporting cylinder (3b) is detachably connected with the supporting seat (3a), and a bolt fastener (3c) is arranged at the top end of the outer supporting cylinder (3 b).
9. A milling fixture suitable for barrel-shaped thin-walled parts according to claim 8, characterized in that: the height of the barrel-shaped support (2c) is the same as that of the support seat (3 a).
10. A milling fixture suitable for barrel-shaped thin-walled parts according to claim 1, characterized in that: the base (1) is provided with a sliding chute (1 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921348904.8U CN210615829U (en) | 2019-08-20 | 2019-08-20 | Milling fixture suitable for tubbiness thin wall part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921348904.8U CN210615829U (en) | 2019-08-20 | 2019-08-20 | Milling fixture suitable for tubbiness thin wall part |
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| Publication Number | Publication Date |
|---|---|
| CN210615829U true CN210615829U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921348904.8U Active CN210615829U (en) | 2019-08-20 | 2019-08-20 | Milling fixture suitable for tubbiness thin wall part |
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| CN (1) | CN210615829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182896A (en) * | 2021-04-14 | 2021-07-30 | 成都飞机工业（集团）有限责任公司 | Large thin-wall frame type precision casting part clamping device and clamping method |
-
2019
- 2019-08-20 CN CN201921348904.8U patent/CN210615829U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182896A (en) * | 2021-04-14 | 2021-07-30 | 成都飞机工业（集团）有限责任公司 | Large thin-wall frame type precision casting part clamping device and clamping method |
| CN113182896B (en) * | 2021-04-14 | 2022-05-10 | 成都飞机工业（集团）有限责任公司 | Large thin-wall frame type precision casting part clamping device and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 618400 Shifang Economic Development Zone, Deyang City, Sichuan Province (Lingjie Park) Patentee after: Sichuan Xinhang Titanium Technology Co.,Ltd. Address before: 618400 Shifang Economic Development Zone, Deyang City, Sichuan Province (Lingjie Park) Patentee before: SICHUAN FUTURE AEROSPACE INDUSTRIAL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |