CN211053151U - A compact structure for thin wall part - Google Patents
A compact structure for thin wall part Download PDFInfo
- Publication number
- CN211053151U CN211053151U CN201922002107.0U CN201922002107U CN211053151U CN 211053151 U CN211053151 U CN 211053151U CN 201922002107 U CN201922002107 U CN 201922002107U CN 211053151 U CN211053151 U CN 211053151U
- Authority
- CN
- China
- Prior art keywords
- pressure head
- base
- spring
- thin
- fastening screw
- 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
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model provides a compact structure for thin wall part, including the pressure head, fastening screw, a spring, a pedestal, the utility model discloses use the spring to give reverse effort and sufficient redundant space on the pressure head, keep closing device and rely on the deformation of spring to change the spacing that compresses tightly of hold-down mechanism department when compressing tightly processing and be about to take place deformation, prevent to wait to process thin wall part and warp because of the atress in the course of working, the processingquality of part has been improved greatly, furthermore, this mechanism simple structure, operation and convenient to use, press from both sides tightly reliable and stable, need not to change lathe and preparation time when adding man-hour, the processing of a product can be practiced thrift 3 hours, the cost is practiced thrift to very big degree, and the efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of manufacturing, concretely relates to compact structure for thin wall part.
Background
At present, in the processing of parts of an aeroengine, thin-wall parts with complex structures are often encountered, as shown in the attached drawings 2-3, the parts have complex structures, mainly comprise two mutually vertical transmission surfaces, and carry out torque transmission through assembling gears and bearings. In order to ensure the assembly requirement, the sizes and the position precision of all holes on the transmission surface are high. In the milling process of the central transmission shell of the engine, in order to ensure the position degree, the central transmission shell needs to be fastened and clamped, the clamping structure used generally is shown in fig. 4, the clamping structure is found after the central transmission shell is machined by using the clamping mode, the part structure is too complex, the wall of the part is thin, the part can be deformed when the clamping surface of the clamp is machined, the clamp plate is disassembled to rebound, the position degree of the hole is unqualified, and the quality problem of the product occurs.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a compact structure for thin wall part.
The utility model discloses a following technical scheme can realize.
The utility model provides a hold-down structure for thin-walled parts, which comprises a pressure head, a fastening screw, a spring and a base, wherein the upper part of the base is a hollow shell, and the lower part of the base is provided with an internal thread hole corresponding to the external thread of the fastening screw; the upper end of the pressure head is provided with a transverse protruding part, and the lower part of the pressure head is arranged in the inner cavity of the base and can move up and down in the inner cavity of the base; the spring is arranged in the inner cavity of the base, the upper end of the spring is propped against the lower side of the pressure head, and the lower end of the spring is propped against the bottom surface of the inner cavity of the base; the fastening screw penetrates through the pressure head and the spring from the radial direction and then is installed in the internal thread hole of the base; when the device is used, the base is fastened on a processing machine tool, the thin-wall part to be processed is arranged between the transverse protruding part of the pressure head and the machine tool, and the fastening screw is screwed down to press the protruding part of the pressure head on the thin-wall part to be processed.
Furthermore, the upper portion of pressure head is equipped with the countersunk groove coaxial with the pressure head, and during the installation, fastening screw passes behind the countersunk groove and fastens the pressure head in the base.
Furthermore, the lower part of the pressure head is provided with an accommodating cavity coaxial with the pressure head, the spring is arranged in the accommodating cavity along the radial direction of the pressure head, and the fastening screw penetrates through the accommodating cavity to fasten the pressure head in the base.
Furthermore, the pressure head is provided with an internal thread hole matched with the external thread of the fastening screw along the axial direction, and the fastening screw passes through the internal thread hole and then fastens the pressure head in the base during installation.
Further, the height of the inner cavity of the base is smaller than the length of the pressure head.
Further, the spring is in a compressed state when in use.
Furthermore, when the pressing structure is used, more than two pressing structures are used together, and the parts to be processed are fixed and clamped transversely and longitudinally.
The beneficial effects of the utility model reside in that: through the utility model discloses an implement, use the spring to give reverse effort and sufficient redundant space on the pressure head, keep closing device compressing tightly the deformation that processing is to rely on the spring when deformation changes the spacing that compresses tightly of hold-down mechanism department, prevent to wait to process thin wall part and warp because of the atress in the course of working, the processingquality of part has been improved greatly, furthermore, this mechanism structure is simple, operation and convenient to use, it is reliable and stable to press from both sides, need not to change lathe and preparation time when adding man-hour, the processing of a product can be practiced thrift 3 hours, the cost is practiced thrift to very big degree, and the efficiency is improved.
Drawings
Fig. 1 is a schematic view of the compressing structure of the present invention;
FIG. 2 is a schematic structural view of a part to be machined according to the present invention;
Figure 3 is a top view of the present invention from figure 2;
FIG. 4 is a schematic view of a clamping mechanism in the prior art;
FIG. 5 is a schematic view of the clamping position used with the previous clamping mechanism;
FIG. 6 is a schematic view of the clamping position of the clamping mechanism used in the present invention;
In the figure: 1-pressure head, 11-countersunk head groove, 12-containing cavity, 2-fastening screw, 3-spring, 4-base and 41-base inner cavity.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, the pressing structure for the thin-walled part comprises a pressing head 1, a fastening screw 2, a spring 3 and a base 4, wherein the upper part of the base 4 is a hollow shell, and the lower part of the base is provided with an internal thread hole corresponding to an external thread of the fastening screw 2; the upper end of the pressure head 1 is provided with a transverse protruding part, and the lower part of the pressure head 1 is arranged in the inner cavity 41 of the base and can move up and down in the inner cavity 41 of the base; the spring 3 is arranged in the inner cavity 41 of the base, the upper end of the spring is propped against the lower side of the pressure head, and the lower end of the spring is propped against the bottom surface of the inner cavity 41 of the base; the fastening screw 2 penetrates through the pressure head 1 and the spring 3 from the radial direction and then is installed in an internal thread hole of the base 4; when the device is used, the base 4 is fastened on a processing machine tool, the thin-wall part to be processed is arranged between the transverse protruding part of the pressure head 1 and the machine tool, and the fastening screw 2 is screwed down to press the protruding part of the pressure head 1 on the thin-wall part to be processed.
Furthermore, the upper portion of pressure head 1 is equipped with countersunk groove 11 coaxial with the pressure head, and during the installation, fastening screw 2 passes through countersunk groove 11 and then fastens pressure head 1 in base 4.
Furthermore, the lower part of the pressure head 1 is provided with an accommodating cavity 12 coaxial with the pressure head 1, the spring 3 is arranged in the accommodating cavity 12 along the radial direction of the pressure head, and the pressure head 1 is fastened in the base 4 after the fastening screw 2 passes through the accommodating cavity 12.
Furthermore, the pressure head 1 is provided with an internal thread hole matched with the external thread of the fastening screw 2 along the axial direction, and during installation, the fastening screw 2 passes through the internal thread hole and then fastens the pressure head 1 in the base 4.
Further, the height of the inner cavity 41 of the base is smaller than the length of the pressure head 1.
Further, the spring 3 is in a compressed state when in use.
Furthermore, when the pressing structure is used, more than two pressing structures are used together, and the parts to be processed are fixed and clamped transversely and longitudinally.
In addition, during clamping, clamping at a position with a smaller wall thickness of the thin-wall part can be avoided, for example, the clamping position (shown by a black triangle in the figure) in fig. 6 is adopted, and the influence on the processing quality caused by deformation in the processing process due to stress at the thin-wall part is avoided under the condition of reliable clamping.
Claims (7)
1. The utility model provides a compact structure for thin wall part which characterized in that: the device comprises a pressure head, a fastening screw, a spring and a base, wherein the upper part of the base is a hollow shell, and the lower part of the base is provided with an internal thread hole corresponding to the external thread of the fastening screw; the upper end of the pressure head is provided with a transverse protruding part, and the lower part of the pressure head is arranged in the inner cavity of the base and can move up and down in the inner cavity of the base; the spring is arranged in the inner cavity of the base, the upper end of the spring is propped against the lower side of the pressure head, and the lower end of the spring is propped against the bottom surface of the inner cavity of the base; the fastening screw penetrates through the pressure head and the spring from the radial direction and then is installed in the internal thread hole of the base; when the device is used, the base is fastened on a processing machine tool, the thin-wall part to be processed is arranged between the transverse protruding part of the pressure head and the machine tool, and the fastening screw is screwed down to press the protruding part of the pressure head on the thin-wall part to be processed.
2. The compression structure for thin-walled parts of claim 1, wherein: the upper portion of pressure head is equipped with the countersunk head groove coaxial with the pressure head, and during the installation, fastening screw passes behind the countersunk head groove and fastens the pressure head in the base.
3. The compression structure for thin-walled parts of claim 1, wherein: the lower part of the pressure head is provided with an accommodating cavity coaxial with the pressure head, the spring is arranged in the accommodating cavity along the radial direction of the pressure head, and the fastening screw penetrates through the accommodating cavity to fasten the pressure head in the base.
4. The compression structure for thin-walled parts of claim 1, wherein: the pressure head is provided with an internal thread hole matched with the external thread of the fastening screw along the axial direction, and the fastening screw passes through the internal thread hole and then fastens the pressure head in the base during installation.
5. The compression structure for thin-walled parts of claim 1, wherein: the height of the inner cavity of the base is smaller than the length of the pressure head.
6. The compression structure for thin-walled parts of claim 1, wherein: the spring is in a compressed state when in use.
7. The compression structure for thin-walled parts of claim 1, wherein: when the pressing structure is used, more than two pressing structures are used together, and the parts to be processed are fixed and clamped transversely and longitudinally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922002107.0U CN211053151U (en) | 2019-11-19 | 2019-11-19 | A compact structure for thin wall part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922002107.0U CN211053151U (en) | 2019-11-19 | 2019-11-19 | A compact structure for thin wall part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211053151U true CN211053151U (en) | 2020-07-21 |
Family
ID=71591724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922002107.0U Active CN211053151U (en) | 2019-11-19 | 2019-11-19 | A compact structure for thin wall part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211053151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369937A (en) * | 2021-06-29 | 2021-09-10 | 中国航发贵州黎阳航空动力有限公司 | A processing clamp of preapring for an unfavorable turn of events for thin wall baffle part |
-
2019
- 2019-11-19 CN CN201922002107.0U patent/CN211053151U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369937A (en) * | 2021-06-29 | 2021-09-10 | 中国航发贵州黎阳航空动力有限公司 | A processing clamp of preapring for an unfavorable turn of events for thin wall baffle part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203509671U (en) | Lathe fixture for aviation machine box component | |
| CN111618634A (en) | Automatic telescopic pressing mechanism with inner hole self-centering function | |
| CN202517297U (en) | V-shaped positioning clamp for quickly clamping shaft type workpieces | |
| CN214815454U (en) | Self-centering clamping device | |
| CN211053151U (en) | A compact structure for thin wall part | |
| CN210548196U (en) | Novel engine gear ring finish turning inner hole clamp | |
| CN203509695U (en) | Limiting compressing clamp | |
| CN212600316U (en) | Fixture for machining annular casing of aircraft engine | |
| CN211071478U (en) | Clamping structure of lower punch of stamping device | |
| CN113370106A (en) | Quick press fitting locking mechanism | |
| CN111570597A (en) | Moulding device of aluminum alloy | |
| CN201455840U (en) | Clamping driving plate for shaft with threads at two ends | |
| CN218947364U (en) | Positioning tool for grinding outer circle of thin barrel part | |
| CN213729512U (en) | Positioning mechanism has anchor clamps that compress tightly function concurrently | |
| CN221018817U (en) | Part machining clamp | |
| CN216681146U (en) | Novel integrated form splint | |
| CN219666415U (en) | Sensor assembly fixture | |
| CN219189463U (en) | Clamp for machining connecting rod main body | |
| CN214101141U (en) | Sectional type stator winding iron core concatenation fixing device | |
| CN214023102U (en) | Car axial spare part is pressed and is riveted assembly structure | |
| CN217255748U (en) | Four-axis tool clamp for brake production and machining | |
| CN218613634U (en) | Self-locking type flexible supporting mechanism | |
| CN215035450U (en) | Auxiliary device for processing pin hole of explosive bolt | |
| CN219131540U (en) | Gapless positioning boring tool for holes | |
| CN219852509U (en) | Special fixture for wire cutting of fastener |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |