CN219805691U - Workpiece clamping mechanism of single-column vertical lathe - Google Patents
Workpiece clamping mechanism of single-column vertical lathe Download PDFInfo
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- CN219805691U CN219805691U CN202223239996.0U CN202223239996U CN219805691U CN 219805691 U CN219805691 U CN 219805691U CN 202223239996 U CN202223239996 U CN 202223239996U CN 219805691 U CN219805691 U CN 219805691U
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- 230000000149 penetrating effect Effects 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model relates to the technical field of vertical lathe machinery, in particular to a workpiece clamping mechanism of a single-column vertical lathe, which comprises a bottom plate, wherein an air chuck is arranged on the bottom plate, a supporting disc is arranged on the top surface of the air chuck, a positioning pin for positioning an annular workpiece is arranged on the top surface of the supporting disc, and a limiting assembly for clamping the annular workpiece is arranged on a claw of the air chuck. The utility model can improve the problem that the processing precision of the annular workpiece is possibly affected.
Description
Technical Field
The utility model relates to the technical field of vertical lathe machinery, in particular to a workpiece clamping mechanism of a single-column vertical lathe.
Background
The single-column vertical lathe generally uses a cutter to rough and finish the end face of an annular workpiece, and the annular workpiece is fixed on a workpiece table of the single-column vertical lathe through a workpiece clamping mechanism. The common workpiece clamping mechanism comprises a chuck jaw seat, a chuck jaw and a screw rod for controlling the chuck jaw are arranged on the chuck jaw seat, the annular workpiece is required to be placed on the top of the chuck jaw seat before being processed, and then the screw is pulled by using a spanner, so that the screw drives the chuck jaw to move towards the center close to the chuck jaw seat until the chuck jaw is clamped with the outer side wall of the annular workpiece, thereby completing the clamping work of the annular workpiece.
In the use of the workpiece clamping mechanism described above, the inventors have found that the above technique has at least the following problems: after the annular workpiece is placed on the top of the chuck jaw seat and clamped by the chuck jaw seat, the annular workpiece may be askew, so that the processing precision of the annular workpiece may be affected when the annular workpiece is processed.
Disclosure of Invention
In order to solve the problem that the machining precision of an annular workpiece can be affected, the utility model provides a workpiece clamping mechanism of a single-column vertical lathe.
The utility model provides a workpiece clamping mechanism of a single-column vertical lathe, which adopts the following technical scheme:
the utility model provides a single-column vertical lathe work piece clamping mechanism, includes the bottom plate, be equipped with air chuck on the bottom plate, be equipped with the supporting disk on air chuck's the top surface, be equipped with the locating pin that is used for carrying out the location to annular work piece on the top surface of supporting disk, be equipped with the spacing subassembly that is used for pressing from both sides tight annular work piece on air chuck's the jack catch.
Through adopting above-mentioned technical scheme, place annular work piece on the supporting disk to fix a position annular work piece through the locating pin, afterwards drive air chuck drives spacing subassembly to the direction motion that is close to the supporting disk, thereby realize the location clamp to annular work piece. The positioning pin is used for positioning the annular workpiece, so that the annular workpiece is positioned as accurately as possible, and the machining precision of the annular workpiece is not easy to influence.
In a specific embodiment, the outer edge of the top surface of the locating pin is provided with a chamfer.
By adopting the technical scheme, compared with the positioning pin, the positioning pin is provided with the edge angle, and the setting of the chamfer makes the annular workpiece sleeved on the positioning pin more convenient.
In a specific implementation manner, a radial limiting piece is arranged on the periphery of the supporting disc, one end of the radial limiting piece is fixedly connected with the outer side wall of the supporting disc, and the other end of the radial limiting piece faces the limiting assembly.
Through adopting above-mentioned technical scheme, radial locating part can offset with spacing subassembly to stop spacing subassembly and continue to be close to the direction motion of supporting disk, prevent as far as possible that spacing subassembly from being excessive to being close to the supporting disk direction motion, realized the guard action to annular work piece.
In a specific implementation, the limiting assembly comprises a movable chuck arranged on the claw of the air chuck, a clamping plate is arranged on the top surface of the movable chuck, and the end surface, close to the supporting plate, of the clamping plate is arc-shaped.
Through adopting above-mentioned technical scheme, under air chuck's drive, movable chuck can move to the direction that is close to the supporting disk until the arc terminal surface of splint offsets with annular work piece's outward flange to press from both sides annular work piece tight.
In a specific embodiment, the movable chuck is provided with a groove along the radial direction of the air chuck, the clamping plate is slidably connected with the groove, and the clamping plate can be fixed on the movable chuck.
Through adopting above-mentioned technical scheme, when meetting the annular work piece of less size, even the activity chuck receives the clamping range to the minimum probably also can not make splint clamp annular work piece under air chuck's drive, and can make the clamping range further reduce through sliding splint to make splint can press from both sides annular work piece of less size.
In a specific implementation mode, the clamping plate is provided with a through hole, the movable clamping plate is provided with a plurality of threaded holes, and the threaded holes are distributed along the radial direction of the movable clamping plate; and a limit screw penetrates through the through hole and is fixedly connected with the threaded hole.
Through adopting above-mentioned technical scheme, fix splint on the recess through the spacing screw to make the centre gripping in-process splint of annular work piece can be comparatively stable.
In a specific implementation manner, a limiting plate is arranged on the outer side of the top surface of the movable chuck, and one side, close to the supporting plate, of the limiting plate can be abutted against one side, away from the supporting plate, of the clamping plate.
Through adopting above-mentioned technical scheme, one side of limiting plate can support the one side that the supporting disk was kept away from to the splint, if the activity chuck drives when splint excessive motion, the limiting plate can support the splint, prevents as far as possible that the limit screw from receiving great power and taking place to damage.
In a specific implementation mode, a rotary clamping cylinder is further arranged on the circumference side of the air chuck on the bottom plate, the rotary clamping cylinder is vertically arranged on the top surface of the bottom plate, a piston rod of the rotary clamping cylinder is connected with a pressing block, and the bottom surface of the pressing block is higher than the top surface of the clamping plate.
Through adopting above-mentioned technical scheme, the rotatory tight cylinder of drive makes the briquetting rotate to the top of annular work piece and compress tightly annular work piece downwards to make the location of annular work piece more firm, be difficult for taking place not hard up phenomenon.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the annular workpiece is placed on the supporting disc, the annular workpiece is positioned through the positioning pin, and then the pneumatic chuck is driven to drive the limiting assembly to move towards the direction close to the supporting disc, so that the annular workpiece is positioned and clamped. The positioning pin is used for positioning the annular workpiece, so that the annular workpiece is positioned as accurately as possible, and the machining precision of the annular workpiece is not easily affected;
2. the radial limiting piece can prop against the limiting component, so that the limiting component is prevented from continuously moving towards the direction close to the supporting disc, excessive movement of the limiting component towards the direction close to the supporting disc is prevented as far as possible, and the protection effect on the annular workpiece is realized;
3. the rotary clamping cylinder is driven to enable the pressing block to rotate to the upper portion of the annular workpiece and to press the annular workpiece downwards, so that the annular workpiece is located more firmly, and the loosening phenomenon is not easy to occur.
Drawings
FIG. 1 is a schematic view of the overall structure of a workpiece clamping mechanism of a single column vertical lathe in an embodiment of the utility model.
Fig. 2 is an enlarged view of a portion a in fig. 1.
FIG. 3 is a schematic diagram of a movable chuck in accordance with an embodiment of the utility model.
Reference numerals illustrate: 1. a bottom plate; 2. an air chuck; 3. a support plate; 4. a positioning pin; 41. chamfering; 5. a limit component; 51. a movable chuck; 511. a groove; 512. a threaded hole; 52. a clamping plate; 521. a limit screw; 522. a slide block; 53. a limiting plate; 6. a compression assembly; 61. a rotary clamping cylinder; 62. briquetting; 7. radial limiting members.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a workpiece clamping mechanism of a single-column vertical lathe. Referring to fig. 1, the workpiece clamping mechanism of the single-column vertical lathe comprises a bottom plate 1, wherein an air chuck 2 is fixedly arranged in the center of the top surface of the bottom plate 1, and a supporting disc 3 is fixedly connected with the center of the top surface of the air chuck 2. With reference to fig. 2, a locating pin 4 for locating the annular workpiece is arranged on the center of the top surface of the support disc 3, and a limiting component 5 for clamping the annular workpiece is arranged on each jaw of the air chuck 2, and the limiting component 5 can move along the radial direction of the support disc 3 by driving the air chuck 2.
Referring to fig. 2, the positioning pin 4 is coaxial with the support plate 3 and fixedly installed at the top end of the support plate 3, and a chamfer 41 is provided at the outer edge of the top end of the positioning pin 4. In implementation, the annular workpiece is sleeved on the locating pin 4 and abuts against the top surface of the supporting disc 3, and the inclined surface 41 is arranged so that the annular workpiece can be sleeved on the locating pin 4 along the inclined surface 41 when being located, and therefore the annular workpiece is located more conveniently. The circumference side equiangular interval of supporting disk 3 is provided with three radial locating part 7, and radial locating part 7's one end and the lateral wall fixed connection of supporting disk 3, the other end of radial locating part 7 is towards spacing subassembly 5. The radial limiting piece 7 can be propped against the limiting component 5 to block the limiting component 5 from continuing to move, so that the limiting component 5 is prevented from excessively moving towards the direction close to the supporting disc 3 as much as possible.
Referring to fig. 1, the limiting assembly 5 includes a movable chuck 51 fixedly mounted on a jaw of the air chuck 2, the movable chuck 51 has a fan-shaped structure, the height of the top surface of the movable chuck 51 is identical to that of the top surface of the supporting disc 3, and the annular workpiece abuts against both the top surface of the supporting disc 3 and the top surface of the movable chuck 51 after being positioned. The top surface of the movable chuck 51 is provided with a clamping plate 52, the end surface of the clamping plate 52, which is close to the supporting disc 3, is arc-shaped, and the movable chuck 51 is driven to move towards the direction, which is close to the supporting disc 3, until the end surface, which is close to the supporting disc 3, of the clamping plate 52 can be abutted against the outer edge of the annular workpiece, so that the positioning and clamping operation of the annular workpiece is realized. Referring to fig. 3, the movable chuck 51 is provided with two parallel grooves 511 along the radial direction of the air chuck 2, the bottom end of the clamping plate 52 is provided with a slider 522, which slider 522 can slide in the groove 511 so that the clamping plate 52 can slide on the movable chuck 51. The clamping plate 52 is provided with a through hole, the movable clamping plate 51 is provided with a plurality of threaded holes 512, and the threaded holes 512 are uniformly distributed along the radial direction of the movable clamping plate 51. The limiting screw 521 is arranged in the through hole in a penetrating way, and the limiting screw 521 penetrates through the through hole and is fixedly connected with the threaded hole 512, so that the clamping plate 52 can be fixed on the movable clamping plate 51, and the clamping plate 52 can be stable in the clamping process of the annular workpiece. In practice, when encountering a smaller-sized annular workpiece, the clamping plate 52 may not be able to clamp the annular workpiece even if the movable chuck 51 is driven by the air chuck 2 to a minimum, and the clamping range can be further narrowed by sliding the clamping plate 52, thereby enabling the clamping plate 52 to clamp the smaller-sized annular workpiece as much as possible. The top surface outside of movable chuck 51 is equipped with limiting plate 53, and limiting plate 53 is close to the one side of supporting disk 3 and the one side that splint 52 kept away from supporting disk 3 offset, and when movable chuck 51 drove splint 52 excessive movement, limiting plate 53 can support one side of splint 52 thereby prevent as far as possible that limit screw 521 from receiving great force and damaging.
Referring to fig. 1, three pressing assemblies 6 are further disposed on the top surface of the bottom plate 1, the three pressing assemblies 6 are uniformly distributed on the periphery of the air chuck 2, the pressing assemblies 6 comprise rotary clamping cylinders 61 vertically mounted on the bottom plate 1, piston rods of the rotary clamping cylinders 61 are fixedly connected with pressing blocks 62, the bottom surface of the pressing blocks 62 is higher than the top surface of the clamping plate 52, and the rotary clamping cylinders 61 can drive the pressing blocks 62 to rotate on the horizontal plane. After the clamping plate 52 clamps the annular workpiece, the rotary clamping cylinder 61 is driven to enable the pressing block 62 to rotate to the upper side of the annular workpiece and then to press the annular workpiece downwards, so that the annular workpiece is positioned more firmly and is not easy to loosen.
The implementation principle of the workpiece clamping mechanism of the single-column vertical lathe provided by the embodiment of the utility model is as follows: the clamping plate 52 is adjusted on the movable chuck 51 according to the specification of the annular workpiece, the annular workpiece is placed on the supporting disc 3 and the top surface of the movable chuck 51 through the positioning of the positioning pins 4, and then the movable chuck 51 is driven by the driving air chuck 2 to move towards the direction close to the supporting disc 3, so that the arc-shaped end surface of the clamping plate 52 can be abutted against the outer side wall of the annular workpiece, and the positioning and clamping operation of the annular workpiece is realized. And then driving the rotary clamping cylinder 61 to enable the pressing block 62 to press the annular workpiece on the movable chuck 51 and the supporting disc 3, so as to strengthen the clamping degree of the annular workpiece, continuously driving the rotary clamping cylinder 61 to enable the pressing block 62 to be separated from the annular workpiece after the annular workpiece is machined, driving the air chuck 2 to enable the movable chuck 51 to move in a direction away from the supporting disc 3, and then moving the annular workpiece out of the clamping mechanism. The positioning pin 4 is used for positioning and clamping the annular workpiece, so that the annular workpiece is positioned as accurately as possible, and the machining precision of the annular workpiece is not easy to influence.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. A single-column vertical lathe workpiece clamping mechanism is characterized in that: including bottom plate (1), be equipped with air chuck (2) on bottom plate (1), be equipped with supporting disk (3) on the top surface of air chuck (2), be equipped with locating pin (4) that are used for carrying out the location to annular work piece on the top surface of supporting disk (3), be equipped with on the jack catch of air chuck (2) and be used for pressing from both sides spacing subassembly (5) of tight annular work piece.
2. The single column vertical lathe work piece clamping mechanism of claim 1, wherein: the outer edge of the top surface of the locating pin (4) is provided with a chamfer (41).
3. The single column vertical lathe work piece clamping mechanism of claim 2, wherein: the periphery of the supporting disc (3) is provided with a radial limiting part (7), one end of the radial limiting part (7) is fixedly connected with the outer side wall of the supporting disc (3), and the other end of the radial limiting part (7) faces the limiting assembly (5).
4. The single column vertical lathe work piece clamping mechanism of claim 1, wherein: the limiting assembly (5) comprises a movable chuck (51) arranged on the clamping jaw of the air chuck (2), a clamping plate (52) is arranged on the top surface of the movable chuck (51), and the end surface, close to the supporting disc (3), of the clamping plate (52) is arc-shaped.
5. The single column vertical lathe work piece clamping mechanism of claim 4, wherein: a groove (511) is formed on the movable chuck (51) along the radial direction of the air chuck (2), the clamping plate (52) is slidably connected with the groove (511) and the clamping plate (52) can be fixed on the movable chuck (51).
6. The single column vertical lathe work piece clamping mechanism of claim 5, wherein: the clamping plate (52) is provided with a through hole, the movable clamping plate (51) is provided with a plurality of threaded holes (512), and the threaded holes (512) are distributed along the radial direction of the movable clamping plate (51); and a limit screw (521) is arranged in the through hole in a penetrating way, and the limit screw (521) penetrates through the through hole and is fixedly connected with the threaded hole (512).
7. The single column vertical lathe work piece clamping mechanism of claim 6, wherein: and a limiting plate (53) is arranged on the outer side of the top surface of the movable chuck (51), and one side, close to the supporting disc (3), of the limiting plate (53) can be abutted against one side, far away from the supporting disc (3), of the clamping plate (52).
8. The single column vertical lathe work piece clamping mechanism of claim 4, wherein: the pneumatic chuck is characterized in that a rotary clamping cylinder (61) is further arranged on the circumference side of the pneumatic chuck (2) on the bottom plate (1), the rotary clamping cylinder (61) is vertically arranged on the top surface of the bottom plate (1), a piston rod of the rotary clamping cylinder (61) is connected with a pressing block (62), and the bottom surface of the pressing block (62) is higher than the top surface of the clamping plate (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239996.0U CN219805691U (en) | 2022-12-02 | 2022-12-02 | Workpiece clamping mechanism of single-column vertical lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239996.0U CN219805691U (en) | 2022-12-02 | 2022-12-02 | Workpiece clamping mechanism of single-column vertical lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219805691U true CN219805691U (en) | 2023-10-10 |
Family
ID=88215388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223239996.0U Active CN219805691U (en) | 2022-12-02 | 2022-12-02 | Workpiece clamping mechanism of single-column vertical lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219805691U (en) |
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2022
- 2022-12-02 CN CN202223239996.0U patent/CN219805691U/en active Active
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