CN219766812U - Pneumatic jacking device of lathe - Google Patents
Pneumatic jacking device of lathe Download PDFInfo
- Publication number
- CN219766812U CN219766812U CN202321241491.XU CN202321241491U CN219766812U CN 219766812 U CN219766812 U CN 219766812U CN 202321241491 U CN202321241491 U CN 202321241491U CN 219766812 U CN219766812 U CN 219766812U
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- thimble
- jacking device
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- 229920001821 foam rubber Polymers 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model relates to a workpiece clamping device of a lathe, and discloses a pneumatic jacking device of the lathe, which comprises a base and a thimble, wherein the upper surface of the middle part of the base is fixedly connected with a main body column, the inner wall of the rear end of the main body column is fixedly connected with a fixed barrel, a rotating rod is arranged in the fixed barrel, the middle part of the outer wall of the front end of the rotating rod is provided with a mounting groove, two sides of the inner wall of the mounting groove are provided with internal threads, the outer wall of the rear end of the thimble is provided with external threads, and the internal threads are in clearance fit with the external threads. When the pneumatic jacking device of the lathe is used, the handle is driven to rotate by rotating the handle, the inner rotating rod is driven to rotate, the thimble is driven to rotate by the mounting groove in the rotating rod and the thimble are in threaded connection, and the thimble is pushed to move forwards in the mounting groove by sliding the sliding block in the second limiting groove, so that the workpiece can be conveniently jacked before turning, and meanwhile, different thimbles can be conveniently replaced to adapt to different workpieces.
Description
Technical Field
The utility model relates to a workpiece clamping device of a lathe, in particular to a pneumatic jacking device of the lathe.
Background
As is well known, the pneumatic jacking device of the lathe is a clamping and fixing device for clamping a workpiece by using air pressure as power through a cylinder, a piston and other mechanisms. Compared with the traditional mechanical jacking device, the pneumatic jacking device has the advantages of simple structure, high clamping speed, convenience in operation and the like, is suitable for workpieces with larger diameters and shorter lengths, has high clamping speed and high clamping force, and is widely applied in the turning process.
However, the pneumatic tightening device of the traditional lathe is unstable due to the fact that the tightening force is unstable, vibration and loosening are easy to generate during high-speed cutting or high-strength cutting, the workpiece is possibly out of control or flies out in the turning process to generate an accident of injury when the precision machining is greatly influenced, and the pneumatic tightening device of the traditional lathe is inconvenient to reinstall and adjust different tightening devices when different workpieces are replaced, so that the production efficiency is possibly influenced, and technical improvement is needed urgently.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a pneumatic lathe jacking device.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the pneumatic jacking device of the lathe comprises a base and a thimble, wherein the upper surface of the middle part of the base is fixedly connected with a main body column, the inner wall of the rear end of the main body column is fixedly connected with a fixed barrel, a rotating rod is arranged in the fixed barrel, an installation groove is formed in the middle of the outer wall of the front end of the rotating rod, internal threads are arranged on two sides of the inner wall of the installation groove, external threads are arranged on the outer wall of the rear end of the thimble, and the internal threads are in clearance fit with the external threads;
the rotating rod is provided with a first cavity close to the inner part of the rear end, a connecting rod is arranged in the first cavity, the outer walls of the two sides of the rear end of the connecting rod are fixedly connected with limiting blocks, and the front end of the connecting rod penetrates through the first cavity and is fixedly connected with the outer wall of the rear end of the thimble;
the both sides of inside main part post front end have all been seted up the second cavity, the one end that the second cavity is close to main part post center department is fixedly connected with cylinder, first fixed block and second fixed block respectively, the one end that main part post center department was kept away from to first fixed block all articulates and is connected with the articulated piece, the one end that main part post center department was kept away from to the articulated piece all articulates and is connected with the dead lever.
Through above-mentioned technical scheme, when this pneumatic tight device in top of lathe was used, the motion of overcoming spring force through cylinder promotion dead lever makes dead lever front end compress up the thimble, and it is stable to the dead lever lifting when articulated to the dead lever through the articulated piece, is convenient for fix its thimble to the tight power of top of work piece of assurance, is difficult for producing vibration and not hard up when high-speed cutting or high strength cutting, guarantees the precision of its turning, is convenient for cause the damage to the thimble at the in-process of pushing up the thimble through the foam-rubber cushion, and the practicality is higher.
Further, the fixing rods penetrate through the second cavity to the inside of the main body column, two first limit grooves are formed in the outer wall of the front end of the hinging block, limit rebound springs are fixedly connected to the inside of the first limit grooves, and connecting blocks are fixedly connected to one ends, far away from the hinging block, of the limit rebound springs;
through above-mentioned technical scheme, be convenient for place spacing rebound spring through first spacing groove, be convenient for compress the spring through the connecting block.
Further, a base is fixedly connected to one side of the upper surface of the main body box, and the output ends of the air cylinders are all in sliding connection with the inside of the rear end of the fixing rod;
through above-mentioned technical scheme, be convenient for drive the dead lever through the cylinder and move.
Further, a bearing is fixedly connected to the middle part of the fixed barrel, which is close to the inner wall, and the inner wall of the bearing is fixedly connected with the outer wall of the rotating rod;
through above-mentioned technical scheme, be convenient for drive the dwang and rotate through the axle survey.
Further, a second limit groove is formed in the middle of the inner bottom surface of the main body column, a sliding block is fixedly connected to the middle of the lower surface of the thimble, and the sliding block is in sliding connection in the second limit groove;
through above-mentioned technical scheme, be convenient for the thimble to move through sliding connection.
Further, one end of the fixing rod, which is close to the center of the main body column, is fixedly connected with a sponge cushion, and one side of the sponge cushion, which is close to the center of the main body column, is tightly attached to the outer wall of the thimble;
through above-mentioned technical scheme, be convenient for press from both sides tightly to the thimble through closely laminating.
Further, the outer wall of the rear end of the rotating rod is fixedly connected with a rotating handle;
through above-mentioned technical scheme, be convenient for rotate the dwang through rotating the handle.
Further, sliding grooves are formed in two sides of the inner wall of the first cavity, and the limiting blocks are connected in a sliding mode in the sliding grooves;
through above-mentioned technical scheme, slide in the spout through the slider and be convenient for carry out spacingly to the dwang.
The utility model has the following beneficial effects:
1. compared with the existing pneumatic lathe jacking device, when the pneumatic lathe jacking device is used, the handle is driven to rotate by rotating the handle, the inner rotating rod is driven to rotate at the same time, the ejector pin is driven to rotate at the same time by the threaded connection of the mounting groove in the rotating rod and the ejector pin, and the ejector pin is pushed to move forwards in the mounting groove by sliding of the sliding block in the second limiting groove, so that the pneumatic lathe jacking device is convenient for jacking a workpiece before turning, and different ejector pins can be replaced conveniently to adapt to different workpieces.
2. Compared with the existing pneumatic lathe jacking device, when the pneumatic lathe jacking device is used, the front end of the fixed rod is pressed against the thimble by pushing the fixed rod to move through the air cylinder to overcome the spring force, the fixed rod is hinged through the hinging block and is lifted stably, the thimble is conveniently fixed, the jacking force of the thimble on a workpiece is guaranteed to be stable, vibration and looseness are not easy to occur during high-speed cutting or high-strength cutting, the turning precision is guaranteed, the thimble is conveniently damaged in the thimble jacking process through the sponge cushion, and the practicability is high.
3. Compared with the existing pneumatic lathe jacking device, the pneumatic lathe jacking device provided by the utility model has the advantages that the structure is ingenious, different ejector pins can be replaced conveniently, stable jacking force can be conveniently carried out on a workpiece, and the practicability is high.
Drawings
FIG. 1 is an isometric view of a pneumatic lathe puller according to the present utility model;
FIG. 2 is a cross-sectional view of the pneumatic lathe puller according to the present utility model;
FIG. 3 is an isometric view of a thimble in the pneumatic lathe puller of the present utility model;
FIG. 4 is an enlarged view of FIG. 2A;
fig. 5 is an enlarged view of B in fig. 2.
Legend description:
1. a base; 2. a main body column; 3. a fixed barrel; 4. a rotating lever; 5. a first cavity; 6. a connecting rod; 7. a chute; 8. a limiting block; 9. a bearing; 10. a mounting groove; 11. an internal thread; 12. a thimble; 13. an external thread; 14. a second cavity; 15. a cylinder; 16. a fixed rod; 17. a first fixed block; 18. a hinge block; 19. a second fixed block; 20. a first limit groove; 21. a limit rebound spring; 22. a connecting block; 23. a sponge cushion; 24. the second limit groove; 25. a slide block; 26. a handle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, one embodiment provided by the present utility model is: the pneumatic jacking device of the lathe comprises a base 1 and a thimble 12, wherein the upper surface of the middle part of the base 1 is fixedly connected with a main body column 2, the inner wall of the rear end of the main body column 2 is fixedly connected with a fixed barrel 3, a rotating rod 4 is arranged in the fixed barrel 3, a mounting groove 10 is formed in the middle of the outer wall of the front end of the rotating rod 4, internal threads 11 are arranged on two sides of the inner wall of the mounting groove 10, external threads 13 are arranged on the outer wall of the rear end of the thimble 12, and the internal threads 11 are in clearance fit with the external threads 13;
the inside of the rotating rod 4 close to the rear end is provided with a first cavity 5, the inside of the first cavity 5 is provided with a connecting rod 6, the outer walls of the two sides of the rear end of the connecting rod 6 are fixedly connected with limiting blocks 8, and the front end of the connecting rod 6 penetrates through the first cavity 5 and is fixedly connected with the outer wall of the rear end of the thimble 12;
the second cavity 14 has all been seted up to the both sides of inside main part post 2 front end, the one end that the second cavity 14 is close to main part post 2 center department is fixedly connected with cylinder 15, first fixed block 17 and second fixed block 19 respectively, the one end that main part post 2 center department was kept away from to first fixed block 17 all articulates and is connected with articulated piece 18, the one end that main part post 2 center department was kept away from to articulated piece 18 all articulates and is connected with dead lever 16.
When the pneumatic jacking device of the lathe is used, the cylinder 15 is used for pushing the fixed rod 16 to move, the front end of the fixed rod 16 is used for pressing the thimble 12 against the spring force, the hinged block 18 is used for hinging the fixed rod 16 and simultaneously lifting the fixed rod 16, the thimble 12 is convenient to fix, the jacking force of the thimble 12 to a workpiece is guaranteed to be stable, vibration and looseness are not easy to occur during high-speed cutting or high-strength cutting, the turning precision is guaranteed, the thimble 12 is convenient to damage in the process of jacking the thimble 12 through the sponge cushion 23, and the practicability is higher.
The fixed rod 16 penetrates through the second cavity 14 to the inside of the main body column 2, two first limit grooves 20 are formed in the outer wall of the front end of the hinge block 18, limit rebound springs 21 are fixedly connected to the inside of each first limit groove 20, connecting blocks 22 are fixedly connected to one ends of the limit rebound springs 21, which are far away from the hinge block 18, the limit rebound springs 21 are conveniently placed through the first limit grooves 20, the springs are conveniently compressed through the connecting blocks 22, one side of the upper surface of the main body box is fixedly connected with a base 1, the output ends of the air cylinders 15 are slidably connected in the inside of the rear end of the fixed rod 16, the air cylinders 15 are conveniently used for driving the fixed rod 16 to move, bearings 9 are fixedly connected to the middle parts of the fixed barrels 3, which are close to the inner walls, of the bearings 9 are fixedly connected with the outer walls of the rotating rods 4, the rotating rods 4 are conveniently driven to rotate through axis measurement, the second spacing groove 24 has been seted up at the middle part of the interior bottom surface of main part post 2, the middle part fixedly connected with slider 25 of thimble 12 lower surface, slider 25 is in the inside sliding connection of second spacing groove 24, be convenient for thimble 12 to move through sliding connection, the dead lever 16 is close to the equal fixedly connected with foam-rubber cushion 23 of one end of main part post 2 center department, one side that foam-rubber cushion 23 is close to main part post 2 center department all closely laminates with the outer wall of thimble 12, be convenient for press from both sides tightly thimble 12 through closely laminating, the outer wall fixedly connected with of dwang 4 rear end rotates handle 26, be convenient for rotate dwang 4 through rotating handle 26, spout 7 has been seted up to the both sides of first cavity 5 inner wall, stopper 8 is in the inside sliding connection of spout 7, be convenient for carry out spacingly to dwang 4 through slider 25 in spout 7. Working principle: when the rotary type workpiece turning device is used, the handle 26 is driven to rotate through the rotary handle 26, the inner rotary rod 4 is driven to rotate at the same time, the thimble 12 is driven to rotate at the same time through the threaded connection between the mounting groove 10 and the thimble 12 in the rotary rod 4, the thimble 12 is pushed to move forwards in the mounting groove 10 through the sliding block 25 in the second limiting groove 24, the front end of the fixing rod 16 is pressed against the thimble 12 by pushing the fixing rod 16 to move through the air cylinder 15 to overcome the spring force, the fixing rod 16 is hinged through the hinging block 18, the fixing rod 16 is lifted to be stable, the thimble 12 is fixed to ensure the stable propping force of the thimble 12 to a workpiece, the fixing rod 16 is loosened when the limiting rebound spring 21 is rebounded through the movement of the air cylinder 15 when turning is finished, and the rotary handle 26 retracts the thimble 12.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The pneumatic jacking device of the lathe comprises a base (1) and a thimble (12), and is characterized in that: the novel anti-theft device is characterized in that a main body column (2) is fixedly connected to the upper surface of the middle of the base (1), a fixed barrel (3) is fixedly connected to the inner wall of the rear end of the main body column (2), a rotating rod (4) is arranged inside the fixed barrel (3), a mounting groove (10) is formed in the middle of the outer wall of the front end of the rotating rod (4), internal threads (11) are formed in two sides of the inner wall of the mounting groove (10), external threads (13) are formed in the outer wall of the rear end of the thimble (12), and the internal threads (11) are in clearance fit with the external threads (13);
the rotary rod (4) is provided with a first cavity (5) close to the inside of the rear end, a connecting rod (6) is arranged in the first cavity (5), limiting blocks (8) are fixedly connected to the outer walls of the two sides of the rear end of the connecting rod (6), and the front end of the connecting rod (6) penetrates through the first cavity (5) and is fixedly connected with the outer wall of the rear end of the ejector pin (12);
the two sides of the front end of the inner main body column (2) are provided with second cavities (14), one ends, close to the center of the main body column (2), of the second cavities (14) are fixedly connected with a cylinder (15), a first fixing block (17) and a second fixing block (19) respectively, one ends, far away from the center of the main body column (2), of the first fixing block (17) are hinged with a hinge block (18), and one ends, far away from the center of the main body column (2), of the hinge block (18) are hinged with a fixing rod (16).
2. The pneumatic jacking device of the lathe according to claim 1, wherein: the utility model discloses a hinge, including hinge block (18), dead lever (16), fixed lever (16), hinge block (18), connecting block (22) are all fixedly connected with in the inside of dead lever (16), dead lever (16) all runs through second cavity (14) to the inside of main part post (2), two first spacing groove (20) have all been seted up to the front end outer wall of hinge block (18), the inside of first spacing groove (20) all fixedly connected with spacing rebound spring (21), the one end that hinge block (18) was kept away from to spacing rebound spring (21) is all fixedly connected with connecting block (22).
3. The pneumatic jacking device of the lathe according to claim 1, wherein: the output ends of the air cylinders (15) are all in sliding connection with the inside of the rear ends of the fixing rods (16).
4. The pneumatic jacking device of the lathe according to claim 1, wherein: the middle part that fixed bucket (3) is close to the inner wall fixedly connected with bearing (9), the outer wall fixed connection of inner wall and dwang (4) of bearing (9).
5. The pneumatic jacking device of the lathe according to claim 1, wherein: the middle part of the inner bottom surface of the main body column (2) is provided with a second limit groove (24), the middle part of the lower surface of the thimble (12) is fixedly connected with a sliding block (25), and the sliding block (25) is in sliding connection with the inside of the second limit groove (24).
6. The pneumatic jacking device of the lathe according to claim 1, wherein: the one end that dead lever (16) is close to main part post (2) center department all fixedly connected with foam-rubber cushion (23), one side that foam-rubber cushion (23) is close to main part post (2) center department all closely laminates with the outer wall of thimble (12).
7. The pneumatic jacking device of the lathe according to claim 1, wherein: the outer wall of the rear end of the rotating rod (4) is fixedly connected with a rotating handle (26).
8. The pneumatic jacking device of the lathe according to claim 1, wherein: the two sides of the inner wall of the first cavity (5) are provided with sliding grooves (7), and the limiting blocks (8) are in sliding connection with the sliding grooves (7) in the inner portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321241491.XU CN219766812U (en) | 2023-05-22 | 2023-05-22 | Pneumatic jacking device of lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321241491.XU CN219766812U (en) | 2023-05-22 | 2023-05-22 | Pneumatic jacking device of lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219766812U true CN219766812U (en) | 2023-09-29 |
Family
ID=88110299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321241491.XU Active CN219766812U (en) | 2023-05-22 | 2023-05-22 | Pneumatic jacking device of lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219766812U (en) |
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2023
- 2023-05-22 CN CN202321241491.XU patent/CN219766812U/en active Active
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