CN115647847A - Turning anchor clamps suitable for miniature thin wall part - Google Patents
Turning anchor clamps suitable for miniature thin wall part Download PDFInfo
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- CN115647847A CN115647847A CN202211397816.3A CN202211397816A CN115647847A CN 115647847 A CN115647847 A CN 115647847A CN 202211397816 A CN202211397816 A CN 202211397816A CN 115647847 A CN115647847 A CN 115647847A
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Abstract
The invention discloses a turning clamp suitable for a miniature thin-wall part, which relates to the field of part processing and comprises a turntable and a plurality of clamping mechanisms, wherein the turntable is of a hollow structure, each clamping mechanism comprises a bidirectional screw rod rotationally connected to the inner wall of the turntable along the radial direction of the turntable, an outer clamping block screwed outside the bidirectional screw rod, an inner clamping block screwed outside the bidirectional screw rod and a driving assembly for driving the bidirectional screw rod to rotate, and one end of each of the outer clamping block and the inner clamping block extends to the outside of the turntable and is respectively connected with an outer clamping sleeve and an inner clamping sleeve; this turning anchor clamps suitable for miniature thin wall part through the cooperation between each part of four fixture, fixes the part in step from the inner wall and the outer wall of part, has solved miniature thin wall part because of the relatively poor easy problem that appears warping of turning man-hour that intensity, can adjust the position of outer centre gripping cover and interior centre gripping cover in addition to make this anchor clamps can ensure the centre gripping effect to different length parts.
Description
Technical Field
The invention relates to a part machining technology, in particular to a turning clamp suitable for a miniature thin-wall part.
Background
Lathe machining mainly uses a turning tool to perform turning machining on a rotating workpiece. The lathe can also be used for corresponding processing by using a drill bit, a reamer, a screw tap, a die, a knurling tool and the like. Lathes are used primarily for machining shafts, discs, sleeves and other workpieces having a surface of revolution, and are the most widely used type of machine tool in machine manufacturing and repair plants.
The current turning clamp is used for clamping and fixing parts from the outside generally, when miniature thin-wall parts are machined, the problem that the miniature thin-wall parts deform due to insufficient strength is easily caused, and the machining yield of the miniature thin-wall parts is further reduced.
Disclosure of Invention
The invention aims to provide a turning clamp suitable for a miniature thin-wall part, so as to overcome the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a turning anchor clamps suitable for miniature thin wall part, includes carousel and a plurality of fixture, the carousel is hollow structure, fixture includes to rotate along the radial direction of carousel and connects two-way lead screw on its inner wall, spiro union at the outside outer clamping block of two-way lead screw, spiro union in the outside interior clamping block of two-way lead screw and be used for driving two-way lead screw pivoted drive assembly, the one end of outer clamping block and interior clamping block all extends to the outside of carousel, and is connected with outer centre gripping cover and interior clamping cover respectively.
Furthermore, the plurality of clamping mechanisms are distributed in an annular array by taking the axis of the turntable as the center, the number of the clamping mechanisms is four, the driving assembly comprises a motor and bevel gears, the motor is mounted on the inner wall of one side of the turntable, the bevel gears are sleeved outside the two-way screw rods, an output shaft of the motor is in transmission connection with one of the four clamping mechanisms, and the four bevel gears outside the two-way screw rods are sequentially meshed.
Furthermore, the outer parts of the four bidirectional screw rods are rotatably connected with fixed blocks fixedly connected with the inner wall of the rotary table, guide rods which are parallel to the bidirectional screw rods are fixedly connected to the outer wall of one side, away from the bevel gear, of each fixed block, and the outer clamping blocks and the inner clamping blocks are in sliding connection with the outer parts of the guide rods.
Furthermore, four penetrating grooves are formed in the outer wall of the circular surface of the rotary table along the radial direction of the circular surface of the rotary table, the four penetrating grooves are distributed in an annular array mode with the rotary table as the center, and the four inner clamping blocks penetrate through the four penetrating grooves respectively and are in sliding connection with the four penetrating grooves respectively.
Furthermore, the outer clamping block is connected with the outer clamping sleeve through a first positioning mechanism, the inner clamping block is connected with the inner clamping sleeve through a second positioning mechanism, and the first positioning mechanism and the second positioning mechanism respectively comprise a positioning block, two clamping blocks, a plurality of positioning grooves, a plurality of clamping grooves, an adjusting assembly and a limiting assembly.
Furthermore, in the first positioning mechanism, the positioning block is slidably connected to the inside of the outer clamping sleeve in the height direction of the outer clamping sleeve, one end of the positioning block extends to the outside of the outer clamping sleeve, the positioning block is a hollow mechanism, the two clamping blocks and the adjusting component are both positioned inside the positioning block, the two clamping blocks are respectively positioned on the inner walls of two sides of the outer clamping sleeve, the two clamping blocks are far away from one side and extend to the outside of the positioning block, the positioning grooves are sequentially formed in the tops of the positioning blocks in the length direction of the outer clamping blocks, the positioning block is matched with the positioning grooves, the clamping grooves are formed in the outer clamping blocks, the clamping grooves communicated with the positioning grooves are formed in two sides of the positioning grooves, and the clamping grooves are matched with the clamping blocks.
Furthermore, in the first positioning mechanism, the adjusting assembly comprises a driving rod which is slidably connected inside the positioning block along the height direction of the positioning block, a driving block which is fixedly connected to one end of the driving rod, which is positioned inside the positioning block, two connecting rods which are respectively hinged to two sides of the bottom of the driving block, and a plurality of springs which are fixedly connected between the two clamping blocks, wherein the other ends of the two connecting rods are respectively hinged to the tops of the two clamping blocks, which are close to one side.
Further, among the first positioning mechanism spacing subassembly includes the limiting plate of rigid coupling at the locating piece top and follows the limiting plate direction of height sliding connection at its inside gag lever post, the gag lever post runs through the limiting plate setting, and the outer wall rigid coupling of the one end of gag lever post and outer clamping sleeve, the actuating lever runs through the limiting plate setting, and the limiting plate sliding connection.
Furthermore, the connection relation and the position relation between the positioning block, the two clamping blocks, the positioning grooves, the clamping grooves, the adjusting component and the limiting component in the second positioning mechanism and the first positioning mechanism are the same.
Compared with the prior art, the turning clamp suitable for the miniature thin-wall part provided by the invention has the advantages that the parts are synchronously fixed from the inner wall and the outer wall of the part through the matching of all the parts of the four clamping mechanisms, the problem that the miniature thin-wall part is easy to deform during turning due to poor strength is solved, in addition, the positions of the outer clamping sleeve and the inner clamping sleeve can be adjusted, and thus, the clamping effect of the clamp on parts with different lengths can be ensured.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic diagram of an overall structure provided by an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a clamping mechanism according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of a first positioning mechanism structure provided in an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an adjustment assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a positioning groove and a clamping groove provided in an embodiment of the present invention.
Description of reference numerals:
1. a turntable; 2. a bidirectional screw rod; 3. an outer clamping block; 4. an inner clamping block; 5. an outer clamping sleeve; 6. an inner clamping sleeve; 7. a motor; 8. a bevel gear; 9. a fixed block; 10. a guide bar; 11. penetrating a groove; 12. positioning blocks; 13. a clamping block; 14. positioning a groove; 15. a card slot; 16. a drive rod; 17. a drive block; 18. a connecting rod; 19. a spring; 20. a limiting plate; 21. a limiting rod.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1-2, a turning fixture suitable for micro thin-walled parts comprises a turntable 1 and a plurality of clamping mechanisms, wherein the turntable 1 is of a hollow structure, each clamping mechanism comprises a bidirectional screw rod 2 rotationally connected to the inner wall of the turntable 1 along the radial direction, an outer clamping block 3 in threaded connection with the outer part of the bidirectional screw rod 2, an inner clamping block 4 in threaded connection with the outer part of the bidirectional screw rod 2, and a driving assembly for driving the bidirectional screw rod 2 to rotate, one end of each of the outer clamping block 3 and the inner clamping block 4 extends to the outer part of the turntable 1 and is respectively connected with an outer clamping sleeve 5 and an inner clamping sleeve 6, the plurality of clamping mechanisms are distributed in an annular array by taking the axis of the turntable 1 as the center, the number of the clamping mechanisms is four, the driving assembly comprises a motor 7 arranged on the inner wall on one side of the turntable 1 and a bevel gear 8 sleeved on the outer part of the bidirectional screw rod 2, an output shaft of the motor 7 is in transmission connection with one of the four clamping mechanisms 2, bevel gears 8 outside four bidirectional screw rods 2 are meshed in sequence, fixing blocks 9 fixedly connected with the inner wall of a rotary table 1 are rotatably connected outside the four bidirectional screw rods 2, guide rods 10 arranged in parallel with the bidirectional screw rods 2 are fixedly connected to the outer wall of one side, far away from the bevel gears 8, of each fixing block 9, outer clamping blocks 3 and inner clamping blocks 4 are connected to the outer portions of the guide rods 10 in a sliding mode, four penetrating grooves 11 are formed in the outer wall of the circular face of the rotary table 1 in the radial direction of the rotary table, the four penetrating grooves 11 are distributed in an annular array mode with the rotary table 1 as the center, the four inner clamping blocks 4 penetrate through the four penetrating grooves 11 respectively and are connected with the four penetrating grooves 11 in a sliding mode respectively, firstly, a worker sleeves parts to be machined on the outer sides of the four inner clamping sleeves 6 and are located on the inner sides of the four outer clamping sleeves 5, and then the two bidirectional screw rods 2 are driven to rotate by matching with output shafts of a starting motor 7, through the effect of meshing between four bevel gears 8, drive four two-way lead screw 2 synchronous rotations respectively, and then drive each two-way lead screw 2 outside outer clamping block 3 and interior clamping block 4 and be close to each other to drive outer clamping block 3 and interior clamping block 4 outside outer clamping sleeve 5 and interior clamping sleeve 6 and be close to each other, thereby fix the part in step from the inner wall and the outer wall of part, solved miniature thin wall part because of the relatively poor easy problem that appears warping when turning process of intensity.
Example two:
referring to fig. 1 and fig. 3 to 5, the present embodiment provides a technical solution on the basis of the first embodiment: the outer clamping block 3 is connected with the outer clamping sleeve 5 through a first positioning mechanism, the inner clamping block 4 is connected with the inner clamping sleeve 6 through a second positioning mechanism, the first positioning mechanism and the second positioning mechanism respectively comprise a positioning block 12, two clamping blocks 13, a plurality of positioning grooves 14, a plurality of clamping grooves 15, an adjusting component and a limiting component, the positioning block 12 in the first positioning mechanism is connected inside the outer clamping sleeve 5 in a sliding manner along the height direction, one end of the positioning block 12 extends to the outside of the outer clamping sleeve 5, the positioning block 12 is a hollow mechanism, the two clamping blocks 13 and the adjusting component are both positioned inside the positioning block 12, the two clamping blocks 13 are respectively positioned on the inner walls of the two sides of the outer clamping sleeve 5, the far sides of the two clamping blocks 13 are both extended to the outside of the positioning block 12, the positioning grooves 14 are sequentially arranged on the top of the outer clamping block 3 along the length direction, the positioning block 12 is matched with the positioning groove 14, the clamping grooves 15 are all arranged inside the outer clamping block 3, the clamping grooves 15 are both sides of the positioning block 14 are both provided with the clamping grooves 15 communicated with the positioning block 13, the clamping grooves 15 are matched with the clamping block 13, the adjusting component in the first positioning component, the adjusting component comprises a driving rod 20 which is fixedly connected with the driving rod 16 which is arranged on the top of the positioning block 12 and a driving rod 21 and a driving rod 17 which is fixedly connected with the positioning rod 21 and a driving rod 21 which is fixedly connected with the driving rod 16, the positioning block 12, the driving rod 21 which is fixedly connected with the driving rod 16, the driving rod 21 which is arranged on the top of the driving rod 21 and a driving rod 21, the driving rod 21 which is fixedly connected with the driving rod 17, the driving rod 21 which is fixedly connected with the driving rod 21 and is fixedly connected with the driving rod 21 which is arranged on the driving rod 21 in the top of the positioning block 12, the driving rod 21, when the position of the outer clamping sleeve 5 and the position of the inner clamping sleeve 6 need to be adjusted according to the length of a part, a worker presses down the driving rod 16 to drive the driving block 17 to move downwards along the inner wall of the positioning block 12, then drives the two clamping blocks 13 to mutually approach through the two connecting rods 18, so as to drive the clamping blocks 13 to move out of the inner part of the clamping grooves 15, and then drives the limiting plate 20 to move upwards along the outer wall of the limiting rod 21, so as to drive the positioning block 12 to synchronously move upwards to be separated from the inner part of the positioning groove 14, so as to drive the outer clamping sleeve 5 or the inner clamping sleeve 6 to horizontally move along the outer wall corresponding to the outer clamping block 3 or the inner clamping block 4, after the outer clamping sleeve 5 or the inner clamping sleeve 6 moves to the proper position, the positioning block 12 is driven to move downwards to the corresponding inner part of the positioning groove 14 through the limiting plate 20, then the limiting plate 16 is loosened, the spring 19 drives the two clamping blocks 15 to respectively clamp the inner clamping sleeve 5 or the outer clamping sleeve 6 to mutually move horizontally along the proper position, so as to clamp the inner clamping sleeve 5, and the clamping sleeve can be clamped very simply away from the inner clamping sleeve, and the clamping sleeve 5.
The working principle is as follows: when the part fixing device is used, firstly, a worker sleeves a part to be machined on the outer sides of four inner clamping sleeves 6 and the inner sides of four outer clamping sleeves 5, then the starting motor 7 is matched with an output shaft thereof to drive one of the two-way screw rods 2 to rotate, and the four bevel gears 8 are meshed to respectively drive the four two-way screw rods 2 to synchronously rotate, so that the outer clamping block 3 and the inner clamping block 4 outside each two-way screw rod 2 are driven to mutually approach, and the outer clamping sleeve 5 and the inner clamping sleeve 6 outside the outer clamping block 3 and the inner clamping block 4 are driven to mutually approach, so that the part is synchronously fixed from the inner wall and the outer wall of the part, and the problem that the miniature thin-wall part is easy to deform during turning due to poor strength is solved;
when the worker needs to adjust the positions of the outer clamping sleeve 5 and the inner clamping sleeve 6 according to the length of the part, the worker presses the driving rod 16 to drive the driving block 17 to move downwards along the inner wall of the positioning block 12, and then drives the two clamping blocks 13 to approach each other through the two connecting rods 18, so as to drive the clamping blocks 13 to move out of the clamping grooves 15, and then drives the limiting plate 20 to move upwards along the outer wall of the limiting rod 21, so as to drive the positioning block 12 to move upwards synchronously to separate from the inside of the positioning groove 14, so as to drive the outer clamping sleeve 5 or the inner clamping sleeve 6 to move horizontally along the outer wall of the corresponding outer clamping block 3 or the corresponding inner clamping block 4, after the outer clamping sleeve 5 or the inner clamping sleeve 6 moves to the proper position, the limiting plate 20 drives the positioning block 12 to move downwards to the inside of the corresponding positioning groove 14, and then releases the clamping driving rod 16, and drives the two clamping blocks 13 to move away from each other and correspond to the inside of the clamping grooves 15 through the rebound force of the spring 19, so as to complete the adjustment of the position of the outer clamping sleeve 5 or the inner clamping sleeve 6, which is very simple in operation.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and are not to be construed as limiting the scope of the invention.
Claims (9)
1. The utility model provides a turning anchor clamps suitable for miniature thin wall part, includes carousel (1) and a plurality of fixture, its characterized in that, carousel (1) is hollow structure, fixture includes along carousel (1) radial direction rotates two-way lead screw (2), spiro union on its inner wall and holds piece (3) outside two-way lead screw (2), spiro union in two-way lead screw (2) outside outer clamp, the spiro union is in two-way lead screw (2) outside interior clamp (4) and be used for driving two-way lead screw (2) pivoted drive assembly, the one end of outer clamp (3) and interior clamp (4) all extends to the outside of carousel (1), and is connected with outer centre gripping cover (5) respectively and holds cover (6) with interior clamp.
2. The turning clamp suitable for the miniature thin-walled part according to claim 1, wherein a plurality of the clamping mechanisms are distributed in an annular array with the axis of the turntable (1) as the center, the number of the clamping mechanisms is four, the driving assembly comprises a motor (7) installed on the inner wall of one side of the turntable (1) and bevel gears (8) sleeved outside the bidirectional screw rods (2), an output shaft of the motor (7) is in transmission connection with one of the bidirectional screw rods (2) of the four clamping mechanisms, and the bevel gears (8) outside the four bidirectional screw rods (2) are sequentially meshed.
3. The turning fixture suitable for the miniature thin-walled parts according to claim 2, characterized in that the outer parts of the four bidirectional screw rods (2) are rotatably connected with fixed blocks (9) fixedly connected with the inner wall of the turntable (1), guide rods (10) parallel to the bidirectional screw rods (2) are fixedly connected to the outer walls of the fixed blocks (9) far away from the bevel gears (8), and the outer clamping blocks (3) and the inner clamping blocks (4) are slidably connected to the outer parts of the guide rods (10).
4. The turning clamp suitable for the miniature thin-walled part according to claim 1, wherein four through grooves (11) are formed in the outer wall of the circular surface of the turntable (1) along the radial direction of the turntable, the four through grooves (11) are distributed in an annular array with the turntable (1) as the center, and the four inner clamping blocks (4) respectively penetrate through the four through grooves (11) and are respectively in sliding connection with the four through grooves (11).
5. The turning fixture suitable for the miniature thin-walled part according to claim 1, wherein the outer clamping block (3) is connected with the outer clamping sleeve (5) through a first positioning mechanism, the inner clamping block (4) is connected with the inner clamping sleeve (6) through a second positioning mechanism, and the first positioning mechanism and the second positioning mechanism respectively comprise a positioning block (12), two clamping blocks (13), a plurality of positioning grooves (14), a plurality of clamping grooves (15), an adjusting component and a limiting component.
6. The turning fixture suitable for the miniature thin-walled part according to claim 5, wherein the positioning block (12) in the first positioning mechanism is slidably connected to the inside of the outer clamping sleeve (5) along the height direction of the outer clamping sleeve (5), one end of the positioning block (12) extends to the outside of the outer clamping sleeve (5), the positioning block (12) is a hollow mechanism, the two clamping blocks (13) and the adjusting component are both located inside the positioning block (12), the two clamping blocks (13) are respectively located on the inner walls of the two sides of the outer clamping sleeve (5), one sides, away from the two clamping blocks (13), of the two clamping blocks (13) extend to the outside of the positioning block (12), the plurality of positioning grooves (14) are sequentially formed in the top of the outer clamping block (3) along the length direction of the outer clamping block, the positioning block (12) is matched with the positioning groove (14), the plurality of clamping grooves (15) are formed in the outer clamping block (3), the two sides of the positioning groove (14) are respectively provided with clamping grooves (15) communicated with the positioning groove (14), and the clamping grooves (15) are matched with the clamping blocks (13).
7. The turning fixture for the miniature thin-walled parts according to claim 5, wherein the adjusting assembly in the first positioning mechanism comprises a driving rod (16) slidably connected inside the positioning block (12) along the height direction of the positioning block, a driving block (17) fixedly connected to the driving rod (16) at one end inside the positioning block (12), two connecting rods (18) respectively hinged to two sides of the bottom of the driving block (17), and a plurality of springs (19) fixedly connected between the two clamping blocks (13), and the other ends of the two connecting rods (18) are respectively hinged to the tops of the two clamping blocks (13) at the side close to each other.
8. The turning fixture suitable for miniature thin-walled part of claim 7, characterized in that, in the first positioning mechanism, the limiting component comprises a limiting plate (20) fixedly connected to the top of the positioning block (12) and a limiting rod (21) slidably connected to the limiting plate (20) along the height direction thereof, the limiting rod (21) penetrates through the limiting plate (20) and is disposed, one end of the limiting rod (21) is fixedly connected to the outer wall of the outer clamping sleeve (5), and the driving rod (16) penetrates through the limiting plate (20) and is slidably connected to the limiting plate (20).
9. The turning fixture suitable for the miniature thin-walled part according to claim 5, wherein the second positioning mechanism and the first positioning mechanism are identical in connection relation and position relation among the positioning block (12), the two clamping blocks (13), the plurality of positioning grooves (14), the plurality of clamping grooves (15), the adjusting assembly and the limiting assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211397816.3A CN115647847A (en) | 2022-11-09 | 2022-11-09 | Turning anchor clamps suitable for miniature thin wall part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211397816.3A CN115647847A (en) | 2022-11-09 | 2022-11-09 | Turning anchor clamps suitable for miniature thin wall part |
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| Publication Number | Publication Date |
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| CN115647847A true CN115647847A (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211397816.3A Pending CN115647847A (en) | 2022-11-09 | 2022-11-09 | Turning anchor clamps suitable for miniature thin wall part |
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| CN (1) | CN115647847A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161655A (en) * | 2023-11-01 | 2023-12-05 | 成都大金航太科技股份有限公司 | Anti-deformation inner and outer double-clamping structure for large-diameter thin-wall pipe |
| CN117564880A (en) * | 2024-01-16 | 2024-02-20 | 成都晨航磁业有限公司 | Manufacturing method and manufacturing equipment of tile-type magnetic sheet |
| CN118616749A (en) * | 2024-08-15 | 2024-09-10 | 佛山市顺德区精弗斯数控车床制造有限公司 | Lathe chuck device |
-
2022
- 2022-11-09 CN CN202211397816.3A patent/CN115647847A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161655A (en) * | 2023-11-01 | 2023-12-05 | 成都大金航太科技股份有限公司 | Anti-deformation inner and outer double-clamping structure for large-diameter thin-wall pipe |
| CN117161655B (en) * | 2023-11-01 | 2024-01-30 | 成都大金航太科技股份有限公司 | Anti-deformation inner and outer double-clamping structure for large-diameter thin-wall pipe |
| CN117564880A (en) * | 2024-01-16 | 2024-02-20 | 成都晨航磁业有限公司 | Manufacturing method and manufacturing equipment of tile-type magnetic sheet |
| CN117564880B (en) * | 2024-01-16 | 2024-03-22 | 成都晨航磁业有限公司 | Manufacturing method and manufacturing equipment of tile-type magnetic sheet |
| CN118616749A (en) * | 2024-08-15 | 2024-09-10 | 佛山市顺德区精弗斯数控车床制造有限公司 | Lathe chuck device |
| CN118616749B (en) * | 2024-08-15 | 2024-10-18 | 佛山市顺德区精弗斯数控车床制造有限公司 | Lathe chuck device |
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