CN218836872U - Machining clamping device suitable for thin-wall circular ring - Google Patents
Machining clamping device suitable for thin-wall circular ring Download PDFInfo
- Publication number
- CN218836872U CN218836872U CN202223306026.8U CN202223306026U CN218836872U CN 218836872 U CN218836872 U CN 218836872U CN 202223306026 U CN202223306026 U CN 202223306026U CN 218836872 U CN218836872 U CN 218836872U
- Authority
- CN
- China
- Prior art keywords
- clamping
- thin
- clamping mechanism
- circular ring
- ring
- 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
- Gripping On Spindles (AREA)
Abstract
The utility model relates to a machine adds clamping device suitable for thin wall ring relates to the machining equipment field. The technical characteristics comprise: the clamping mechanism is sleeved on the thin-wall circular ring; the contraction parts are arranged on the clamping mechanism in a plurality of groups; the end part limiting structure is arranged at one end of the clamping mechanism and used for supporting one end of a thin-walled circular ring sleeved in the clamping mechanism; when the clamping mechanism is clamped through a chuck of a lathe, a contraction part on the clamping mechanism is stressed to contract inwards to enable the clamping mechanism to contract the inner diameter so as to clamp the thin-walled ring. The device reduces the stress deformation of a clamping part caused by the direct clamping of the thin-wall ring by the chuck of the machine tool, so that the clamping force of the chuck is applied to the circumference of the clamping mechanism, the stress is uniformly transmitted to the thin-wall ring through the circumference surface of the clamping mechanism, the possibility of clamping deformation is effectively eliminated, the clamping time is saved, the influence of the external clamping force on the thin-wall ring is reduced, and the product quality is ensured.
Description
Technical Field
The utility model relates to a machining equipment technical field, in particular to machine adds clamping device suitable for thin wall ring.
Background
In the manufacturing process of the long spacing ring of the bogie of the railway passenger car for the motor train unit, the wall thickness of the long spacing ring is only 5mm, wherein the long spacing ring of the bogie is also a thin-wall ring (4), and when an inner hole is machined, a chuck of a lathe is required to clamp the outer circle of the long spacing ring so as to perform subsequent machining.
However, when the chuck of the lathe is used for clamping the long spacing ring, namely the excircle of the thin-wall ring (4), in the prior art, because the contact surface of the chuck of the lathe and the excircle of the thin-wall ring (4) is extremely irregular, the clamping deformation is easily generated by the external force of the chuck of the lathe, the diameter size of a product is out of tolerance, and the product quality is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve foretell technical problem, provide a machine adds clamping device suitable for thin wall ring.
In order to solve the technical problem, the technical scheme of the utility model is specifically as follows:
a machine-tooled clamping device suitable for thin-walled rings, comprising:
the clamping mechanism is sleeved on the thin-wall circular ring;
the contraction parts are arranged on the clamping mechanism in a plurality of groups;
the end part limiting structure is arranged at one end of the clamping mechanism and is used for supporting one end of a thin-walled circular ring sleeved in the clamping mechanism;
when the clamping mechanism is clamped through a chuck of a lathe, the contraction part on the clamping mechanism is stressed to contract inwards to enable the clamping mechanism to contract the inner diameter so as to clamp the thin-walled ring.
Preferably, the clamping mechanism comprises a clamping sleeve, and the clamping sleeve is cylindrical.
Preferably, the contraction part comprises a groove, and the groove is formed in the outer side surface of the clamping sleeve along the extending direction of the axis of the clamping sleeve and axially penetrates through the whole clamping sleeve.
Preferably, a plurality of groups of grooves are circumferentially and uniformly distributed on the outer side surface of the clamping sleeve.
Preferably, the end limiting structure comprises an annular boss, and the annular boss is annularly arranged at one end of the inner side surface of the clamping sleeve and is used for axially supporting one end of the thin-wall ring.
The utility model discloses following beneficial effect has:
the utility model discloses a machine adds clamping device suitable for thin wall ring, the device have reduced the clamping position atress that the direct clamping thin wall ring of lathe (holding) chuck brought and have warp, make the clamping power of (holding) chuck be used for the circumference of clamping mechanism to through the even transmission of atress to thin wall ring of clamping mechanism periphery, the effectual possibility of stopping the clamping deformation, save the time of clamping, reduce the influence that clamping external force caused thin wall class ring spare, guarantee product quality.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a machining clamping device suitable for a thin-walled ring according to the present invention;
fig. 2 is a schematic view of a clamping mechanism of the machining clamping device for thin-walled rings according to the present invention;
fig. 3 is a front view of a machining jig device for thin-walled rings in accordance with the present invention;
fig. 4 is a schematic structural diagram of a thin-wall ring in the background art applicable to the thin-wall ring of the present invention.
The reference numbers in the figures denote:
1. installing a jacket; 2. a groove; 3. an annular boss; 4. thin-walled rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a machining jig device for thin-walled rings includes:
the clamping mechanism is sleeved on the thin-wall circular ring;
the contraction parts are arranged on the clamping mechanism in a plurality of groups;
the end part limiting structure is arranged at one end of the clamping mechanism and used for supporting one end of a thin-walled circular ring sleeved in the clamping mechanism;
when the clamping mechanism is clamped by a chuck plate of a lathe, the contraction part on the clamping mechanism is stressed to contract inwards to form a space so that the clamping mechanism contracts the inner diameter to clamp the thin-walled ring, otherwise, when the clamping to the thin-walled ring is released, when the clamping force of the chuck plate of the lathe is removed, the contraction part on the clamping mechanism rebounds to an initial state, namely, the space is opened in an outward opening mode, so that the clamping mechanism is expanded in a whole mode, and the inner diameter of the clamping mechanism is enlarged to increase the gap between the inner diameter and the thin-walled ring at the moment so that the product can be taken out more easily.
In conclusion, the device reduces the stress deformation of the clamping part caused by the direct clamping of the thin-wall ring by the chuck of the machine tool, so that the clamping force of the chuck acts on the circumference of the clamping mechanism, the stress is uniformly transmitted to the thin-wall ring through the circumference surface of the clamping mechanism, the possibility of clamping deformation is effectively eliminated, the clamping time is saved, the influence of the external clamping force on the thin-wall ring is reduced, and the product quality is ensured.
Further, the clamping mechanism comprises a clamping sleeve 1, the clamping sleeve 1 is cylindrical, and the shape of the clamping sleeve is matched with that of the thin-wall circular ring, so that the inner wall of the clamping sleeve 1 can be attached to the outer wall of the thin-wall circular ring in use.
Further, the contraction part comprises a groove 2, and the groove 2 is formed in the outer side surface of the clamping sleeve 1 along the extending direction of the axis of the clamping sleeve 1 and axially penetrates through the whole clamping sleeve 1.
Furthermore, a plurality of groups of grooves 2 are circumferentially and uniformly distributed on the outer side surface of the clamping sleeve 1, the plurality of groups of grooves 2 are uniformly distributed to enable the clamping force transmitted by the clamping sleeve 1 to be uniform, and the grooves 2 are provided with a plurality of groups to meet the deformation of the grooves so as to enable the clamping sleeve 1 to deform along with the deformation to achieve the effect of transmitting the clamping force.
Furthermore, the end limiting structure comprises an annular boss 3, the annular boss 3 is annularly arranged at one end position on the inner side surface of the clamping sleeve 1 and is used for axially supporting one end of the thin-wall ring, namely, in the direction of placing the thin-wall ring into the clamping sleeve 1, the annular boss 3 is used for limiting the excessive extension amount of the thin-wall ring so as to avoid separating from the clamping sleeve 1.
The working principle is as follows:
in the embodiment, a clamping sleeve 1 with the thickness of 16mm is designed, as shown in fig. 1, the outer diameter of the clamping sleeve 1 is 240mm, and the inner diameter thereof is 208.072mm; and the clamping mechanism is in clearance fit with the H8/d8 of the outer diameter 208 (0-0.072) mm of the thin-wall circular ring 4, so that the clamping mechanism can provide uniform clamping force when an inner hole is machined.
The grooves 2 are uniformly distributed in the outer diameter direction in a mode that a group of grooves 2 are arranged every 120 degrees, the width is 6mm, and when the clamping mechanism is stressed by a lathe chuck, the three grooves 2 shrink to transfer certain clamping force; when the inner hole is machined, the chuck is loosened, the three grooves 2 are expanded, the whole clamping mechanism is expanded, the inner diameter of the clamping mechanism is driven to be enlarged, the gap between the clamping mechanism and the thin-wall ring 4 is enlarged, and the product is taken out more easily.
The bottom of the clamping sleeve 1 is designed with an annular boss 3 with the diameter of 200mm and the height of 6mm, and the annular boss is used for providing axial supporting force for the thin-wall circular ring 4.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (5)
1. A machining clamping device suitable for a thin-wall circular ring is characterized by comprising:
the clamping mechanism is sleeved on the thin-wall circular ring;
the contraction parts are arranged on the clamping mechanism in a plurality of groups;
the end part limiting structure is arranged at one end of the clamping mechanism and is used for supporting one end of a thin-walled circular ring sleeved in the clamping mechanism;
when the clamping mechanism is clamped through a chuck of a lathe, the contraction part on the clamping mechanism is stressed to contract inwards to enable the clamping mechanism to contract the inner diameter so as to clamp the thin-walled ring.
2. The machining clamping device suitable for the thin-walled circular ring according to claim 1, characterized in that the clamping mechanism comprises a clamping sleeve (1), and the clamping sleeve (1) is cylindrical.
3. The machining clamping device for the thin-walled circular ring according to claim 2, characterized in that the constriction comprises a groove (2), and the groove (2) is formed on the outer side surface of the clamping sleeve (1) along the extending direction of the axis of the clamping sleeve (1) and axially penetrates through the whole clamping sleeve (1).
4. The machining clamp device for the thin-walled circular ring is characterized in that a plurality of groups of grooves (2) are uniformly distributed on the outer side surface of the clamping sleeve (1) in the circumferential direction.
5. The machining clamp device for the thin-walled circular ring according to claim 2, characterized in that the end limiting structure comprises an annular boss (3), the annular boss (3) is arranged around an end position on the inner side surface of the clamping sleeve (1) for axially supporting one end of the thin-walled circular ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223306026.8U CN218836872U (en) | 2022-12-09 | 2022-12-09 | Machining clamping device suitable for thin-wall circular ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223306026.8U CN218836872U (en) | 2022-12-09 | 2022-12-09 | Machining clamping device suitable for thin-wall circular ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218836872U true CN218836872U (en) | 2023-04-11 |
Family
ID=87299283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223306026.8U Active CN218836872U (en) | 2022-12-09 | 2022-12-09 | Machining clamping device suitable for thin-wall circular ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218836872U (en) |
-
2022
- 2022-12-09 CN CN202223306026.8U patent/CN218836872U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201685105U (en) | Centering center rest support | |
| CN218836872U (en) | Machining clamping device suitable for thin-wall circular ring | |
| CN208034127U (en) | A kind of chuck of processing thin-wall conical outer casing member | |
| CN215747801U (en) | Multi-station internal support clamp | |
| CN215144817U (en) | Automatic lathe machining clamp for thin-wall part | |
| CN213531699U (en) | Clamping device is used in processing of drum class thin wall spare | |
| CN211072755U (en) | Special machine for turning shaft end faces | |
| CN211939918U (en) | Thin wall ring gear is clamping device for bore hole | |
| CN112247635A (en) | Flexible clamp for tightly supporting inner circle of workpiece | |
| CN217990980U (en) | Elastic chuck for processing shaft sleeve | |
| CN216325193U (en) | Universal clamp for bidirectional machining of scroll plate | |
| CN220161792U (en) | Clamping mechanism for preventing deformation of thin-wall cylinder machined part | |
| CN213332110U (en) | Floating coupling rotating mechanism | |
| CN218518142U (en) | Thin-wall part external clamping tool | |
| CN218517740U (en) | Hydraulic chuck of numerical control lathe for medium-large thin-wall annular parts | |
| CN214816582U (en) | A supplementary anchor clamps of machine tooling for bearing frame | |
| CN213945626U (en) | Fixed frock of finish machining excircle | |
| CN221185536U (en) | Double-conicity built-in expansion tool | |
| CN215658245U (en) | Gear shaft machining system and clamp device for machining gear shaft | |
| CN211758552U (en) | Floating support clamp for processing clutch cylinder sleeve on lathe | |
| CN211614912U (en) | Fixture for machining disc spring chamfers | |
| CN216576756U (en) | Machining clamp for inner hole of center of supporting plate vehicle of heavy truck automobile gearbox | |
| CN214109118U (en) | Centrifuge shell spark-erosion treatment fixture | |
| CN211489692U (en) | Transmission shaft jacket | |
| CN216801427U (en) | Clamping mechanism for pipe end forming of pipe fitting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |