CN220006014U - Automatic clamping device for tailstock of numerical control lathe - Google Patents
Automatic clamping device for tailstock of numerical control lathe Download PDFInfo
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- CN220006014U CN220006014U CN202321063149.5U CN202321063149U CN220006014U CN 220006014 U CN220006014 U CN 220006014U CN 202321063149 U CN202321063149 U CN 202321063149U CN 220006014 U CN220006014 U CN 220006014U
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- tailstock
- lathe
- fixed block
- guide
- rack
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- 238000004519 manufacturing process Methods 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to an automatic clamping device for a tailstock of a numerical control lathe, and relates to the technical field of numerical control lathes. It comprises a clamping assembly and a guiding assembly; the clamping assembly comprises a fixed block, a connecting rod, an eccentric shaft, a gear, a rack and a cylinder; the eccentric shaft stretches into the inner cavity of the lathe tailstock and is rotationally connected with the lathe tailstock, one end of the connecting rod is hinged with the eccentric shaft, the other end of the connecting rod is arranged on the fixed block, the fixed block is arranged right below the lathe guide rail and is used for being abutted to the bottom wall of the lathe guide rail, one end of the eccentric shaft, which is far away from the connecting rod, is coaxially fixedly connected with the gear, the rack is arranged at the end part of the piston rod of the cylinder, the rack is meshed with the gear, and the cylinder is arranged on the side wall of the lathe tailstock and is used for pushing the rack to move; the guide assembly is used for guiding the fixed block to vertically lift. The utility model has the effect of improving the processing efficiency of the workpiece.
Description
Technical Field
The utility model relates to the technical field of numerically controlled lathes, in particular to an automatic clamping device for a tailstock of a numerically controlled lathe.
Background
The numerical control lathe is a lathe for automatically machining a workpiece by using a machining program which is programmed in advance. In the processing process of shaft or disc parts, in order to be convenient for carry out positioning and clamping to the parts, a tailstock is usually arranged on a lathe guide rail of a numerical control lathe, and the parts are positioned together through the tailstock and a main shaft chuck, so that the stability of the parts in the processing process is improved, and the processing precision of the parts is further improved.
Patent document with application number CN95234874.8 discloses a lathe tailstock, which is used as follows: when the tailstock is required to be fastened, the fastening handle is rotated to enable the eccentric shaft to rotate, so that the connecting rod drives the fixing block to move upwards, and the fixing block is contacted with the bottom surface of the lathe bed guide rail. When the fastening handle is continuously screwed, the connecting rod generates a pulling force on the tailstock, and after the four bearings of the tailstock are stressed, the four bearings overcome the elastic force of the spring and move upwards until the lower surface of the bottom plate of the tailstock is contacted with the upper surface of the lathe bed guide rail, namely the whole tailstock is fastened on the lathe bed guide rail.
Aiming at the related technology, because the fastening handle is required to be manually rotated in the fixing process of the lathe tailstock, the fixing mode is time-consuming and labor-consuming, is inconvenient to realize automatic production, and influences the processing efficiency of workpieces.
Disclosure of Invention
In order to improve the machining efficiency of a workpiece, the utility model provides an automatic clamping device for a tailstock of a numerical control lathe.
The utility model provides an automatic clamping device for a tailstock of a numerical control lathe, which adopts the following technical scheme:
an automatic clamping device for a tailstock of a numerical control lathe comprises a clamping assembly and a guiding assembly;
the clamping assembly comprises a fixed block, a connecting rod, an eccentric shaft, a gear, a rack and a cylinder;
the eccentric shaft stretches into the inner cavity of the lathe tailstock and is rotationally connected with the lathe tailstock, one end of the connecting rod is hinged with the eccentric shaft, the other end of the connecting rod is arranged on the fixed block, the fixed block is arranged right below the lathe guide rail and is used for being abutted to the bottom wall of the lathe guide rail, one end of the eccentric shaft, which is far away from the connecting rod, is coaxially fixedly connected with the gear, the rack is arranged at the end part of the piston rod of the cylinder, the rack is meshed with the gear, and the cylinder is arranged on the side wall of the lathe tailstock and is used for pushing the rack to move;
the guide assembly is used for guiding the fixed block to vertically lift.
By adopting the technical scheme, when the workpiece is required to be positioned by the lathe tailstock, a worker pushes the lathe tailstock to slide along the lathe guide rail, after the workpiece is positioned, a cylinder is started, a cylinder piston rod drives a rack to move, the rack is meshed with a gear, so that the rack drives the gear to rotate, the gear drives an eccentric shaft to rotate, the eccentric shaft drives a connecting rod to rise, and under the action of a guide assembly, the connecting rod drives a fixed block to rise until the top wall of the fixed block is abutted with the bottom wall of the lathe guide rail, and the fixation of the lathe tailstock on the lathe guide rail is realized; when the fixation of the lathe tailstock needs to be released, the cylinder is started, the cylinder piston rod drives the rack to reset, the rack drives the gear to rotate reversely, so that the gear drives the eccentric shaft to rotate reversely, the eccentric shaft drives the connecting rod to descend, the connecting rod drives the fixed block to descend until the top wall of the fixed block is separated from the bottom wall of the lathe guide rail, the fixation of the lathe tailstock is released, a manual fixation mode of a worker is replaced, time and labor are saved through driving of the cylinder, automatic production is conveniently realized, and the machining efficiency of a workpiece is improved.
Optionally, the eccentric shaft comprises a shaft body and a rotary table, wherein the shaft body stretches into the inner cavity of the lathe tailstock and is rotationally connected with the lathe tailstock, the rotary table is coaxially fixedly connected to one end of the shaft body stretching into the inner cavity of the lathe tailstock, and one end of the connecting rod is eccentrically hinged with the rotary table.
Through adopting above-mentioned technical scheme, the eccentric shaft of design, through connecting rod one end and carousel eccentric articulated, be convenient for realize the lift of connecting rod.
Optionally, the connecting rod includes articulated section and fixed section, articulated section with fixed section articulates, articulated section keep away from fixed section one end with carousel eccentric hinge, fixed section keep away from articulated section one end with the fixed block is connected.
Through adopting above-mentioned technical scheme, the connecting rod of design is articulated with the fixed section through articulated section, and articulated section and carousel eccentric articulated are convenient for drive the fixed block through the fixed section and go up and down at the axis body rotation in-process.
Optionally, the direction subassembly includes the guide bar, the guide bar is vertical to be set up on the lathe tailstock, and the holding tank has been seted up to lathe tailstock lateral wall, guide bar one end stretches into and is fixed in the holding tank, the other end run through the fixed block and with fixed block sliding connection.
By adopting the technical scheme, the designed guide rod slides with the guide rod through the fixed block; and the connection is convenient for lifting the guide fixing block.
Optionally, the guide bar stretches into the one end threaded connection of holding tank has first nut, first nut diapire with diapire butt in the holding tank.
Through adopting above-mentioned technical scheme, the first nut of design, through guide bar and first nut threaded connection, and first nut diapire and holding tank inner bottom wall butt are convenient for realize the fixed of guide bar at the lathe tailstock.
Optionally, the guide bar runs through one end threaded connection of fixed block has the second nut, when the fixed block descends to the lowest position, second nut roof with fixed block diapire butt.
Through adopting above-mentioned technical scheme, the second nut of design, on the one hand through second nut and fixed block butt, be convenient for share the load of fixed block to alleviate the burden of fixed section, on the other hand is through dismantling first nut and second nut, is convenient for the guide bar and dismantle from the lathe tailstock, and then the change or the maintenance of guide bar of being convenient for.
Optionally, the fixed section is kept away from articulated section one end threaded connection has the third nut, third nut roof with fixed block diapire butt.
Through adopting above-mentioned technical scheme, the third nut of design, through third nut roof and fixed block diapire butt on the one hand, the lift of the drive fixed block of being convenient for, on the other hand is through dismantling second nut and third nut, can dismantle the fixed block from fixed section and guide bar, is convenient for change or maintain the fixed block.
Optionally, the lathe tailstock lateral wall is provided with the deflector, offer on the deflector and be used for the direction the guide way of rack motion, rack sliding connection in the guide way.
Through adopting above-mentioned technical scheme, the deflector of design slides along the guide way through the rack, has improved the stability in the rack motion process.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the designed automatic clamping device for the tailstock of the numerical control lathe replaces a mode of manually fixing the tailstock of the lathe by a worker, saves time and labor through driving of a cylinder, is convenient for realizing automatic production, and improves the processing efficiency of workpieces;
2. according to the designed automatic clamping device for the numerical control lathe tailstock, the first nut and the second nut are detached, so that the guide rod is convenient to detach from the lathe tailstock, and further the guide rod is convenient to replace or maintain;
3. according to the designed automatic clamping device for the tailstock of the numerically controlled lathe, the second nut and the third nut are disassembled, so that the fixed block can be disassembled from the fixed section and the guide rod, and the fixed block can be replaced or maintained conveniently.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of an embodiment of the present utility model;
fig. 3 is an enlarged view of a portion a in fig. 2.
Reference numerals: 1. a clamping assembly; 11. a fixed block; 12. a connecting rod; 121. a hinge section; 122. a fixed section; 123. a third nut; 13. an eccentric shaft; 131. a shaft body; 132. a turntable; 14. a gear; 15. a rack; 16. a cylinder; 2. a guide assembly; 21. a guide rod; 22. a first nut; 23. a second nut; 3. a lathe tailstock; 31. a mounting plate; 32. a receiving groove; 33. a guide plate; 331. a guide groove; 4. and a lathe guide rail.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
The embodiment of the utility model discloses an automatic clamping device for a tailstock of a numerical control lathe.
Referring to fig. 1, an automatic clamping device for a tailstock of a numerically controlled lathe comprises a clamping assembly 1 and a guiding assembly 2, wherein the clamping assembly 1 and the guiding assembly 2 are arranged on a tailstock 3 of the lathe.
Referring to fig. 2 and 3, the clamping assembly 1 comprises a fixed block 11, a connecting rod 12, an eccentric shaft 13, a gear 14, a rack 15 and an air cylinder 16, wherein the eccentric shaft 13 comprises a shaft body 131 and a rotary table 132, the shaft body 131 is horizontally arranged on the lathe tailstock 3, the shaft body 131 stretches into the inner cavity of the lathe tailstock 3 and is in rotary connection with the lathe tailstock 3, the rotary table 132 is coaxially and fixedly connected with one end of the shaft body 131 stretching into the inner cavity of the lathe tailstock 3 in a welding manner, the connecting rod 12 comprises a hinging section 121 and a fixed section 122, the hinging section 121 is hinged with the fixed section 122, one end of the hinging section 121 far away from the fixed section 122 is eccentrically hinged with the rotary table 132, one end of the fixed section 122 far away from the hinging section 121 is connected with the fixed block 11, the fixed section 122 is vertically arranged, the fixed section 122 penetrates through the bottom wall of the lathe tailstock 3 and is in sliding connection with the bottom wall of the lathe tailstock 3, and the fixed block 11 is arranged right below the lathe guide 4 and is used for being abutted with the bottom wall of the lathe guide 4; the shaft body 131 is coaxially and fixedly connected with the gear 14 in a key connection mode at one end far away from the turntable 132, the rack 15 is welded at the end part of a piston rod of the air cylinder 16, the rack 15 is meshed with the gear 14, in the embodiment, the rack 15 is vertically arranged, the rack 15 can also be horizontally arranged, if the gear 14 is meshed, the air cylinder 16 is vertically arranged on the side wall of the lathe tailstock 3 and used for pushing the rack 15 to move; in order to support the weight of the air cylinder 16 conveniently, in this embodiment, a mounting plate 31 is welded on the side wall of the lathe tailstock 3, and the base of the air cylinder 16 is fixed on the mounting plate 31 in a bolt connection manner.
Referring to fig. 2, the guide assembly 2 includes one guide rod 21, and in this embodiment, the number of guide rods 21 may be two, so long as the guide fixing block 11 is lifted; the guide rod 21 is vertically arranged on the lathe tailstock 3, the side wall of the lathe tailstock 3 is provided with a containing groove 32, one end of the guide rod 21 extends into and is fixed in the containing groove 32, and the other end of the guide rod penetrates through the fixed block 11 and is in sliding connection with the fixed block 11; in order to facilitate the fixing of the guide rod 21, in this embodiment, one end of the guide rod 21 extending into the accommodating groove 32 is in threaded connection with the first nut 22, and the bottom wall of the first nut 22 abuts against the inner bottom wall of the accommodating groove 32.
Referring to fig. 2 and 3, in order to facilitate replacement of the guide rod 21, in this embodiment, a second nut 23 is screwed to one end of the guide rod 21 penetrating through the fixed block 11, and when the fixed block 11 is lowered to the lowest position, the top wall of the second nut 23 abuts against the bottom wall of the fixed block 11; in order to facilitate the disassembly of the fixing block 11, in this embodiment, a third nut 123 is screwed to an end of the fixing segment 122 away from the hinge segment 121, and a top wall of the third nut 123 abuts against a bottom wall of the fixing block 11.
Referring to fig. 3, in order to facilitate movement of the guide rack 15, in this embodiment, a guide plate 33 is welded to a side wall of the lathe tailstock 3, a guide groove 331 for guiding movement of the rack 15 is formed in the guide plate 33, and the rack 15 is slidably connected to the guide groove 331.
The embodiment of the utility model relates to an automatic clamping device for a tailstock of a numerical control lathe, which comprises the following implementation principle: when the lathe tailstock 3 is required to position a workpiece, a worker pushes the lathe tailstock 3 to slide along the lathe guide rail 4, after the workpiece is positioned, the cylinder 16 is started, the piston rod of the cylinder 16 drives the rack 15 to ascend, the rack 15 is meshed with the gear 14, the gear 15 drives the gear 14 to rotate, the gear 14 drives the shaft body 131 to rotate, the shaft body 131 drives the turntable 132 to rotate, the turntable 132 drives the hinged section 121 to eccentrically move, the hinged section 121 drives the fixed section 122 to ascend, and under the action of the guide rod 21 and the third nut 123, the fixed block 11 ascends until the top wall of the fixed block 11 is abutted with the bottom wall of the lathe guide rail 4, so that the lathe tailstock 3 is fixed on the lathe guide rail 4.
When the fixation of the lathe tailstock 3 needs to be released, the cylinder 16 is started, the piston rod of the cylinder 16 drives the rack 15 to reset, the rack 15 drives the gear 14 to rotate reversely, so that the gear 14 drives the shaft body 131 to rotate reversely, the shaft body 131 drives the rotary disc 132 to rotate reversely, the rotary disc 132 drives the hinged section 121 to descend, the hinged section 121 drives the fixed section 122 to descend, the fixed section 122 drives the third nut 123 to descend, the fixed block 11 descends due to self gravity until the top wall of the fixed block 11 is separated from the bottom wall of the lathe guide rail 4 due to the lack of the supporting function of the third nut 123, the piston rod of the cylinder 16 resets, the fixed block 11 stops under the supporting function of the second nut 23 and the third nut 123, the fixation of the lathe tailstock 3 is released, a manual fixation mode of a worker is replaced, time and labor are saved, automatic production is facilitated, and the processing efficiency of workpieces is improved.
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. The utility model provides a numerical control lathe tailstock self-holding device which characterized in that: comprises a clamping assembly (1) and a guiding assembly (2);
the clamping assembly (1) comprises a fixed block (11), a connecting rod (12), an eccentric shaft (13), a gear (14), a rack (15) and a cylinder (16);
the eccentric shaft (13) stretches into the inner cavity of the lathe tailstock (3) and is rotationally connected with the lathe tailstock (3), one end of the connecting rod (12) is hinged with the eccentric shaft (13), the other end of the connecting rod is arranged on the fixed block (11), the fixed block (11) is arranged right below the lathe guide rail (4) and is used for being abutted to the bottom wall of the lathe guide rail (4), one end, away from the connecting rod (12), of the eccentric shaft (13) is fixedly connected with the gear (14) coaxially, the rack (15) is arranged at the end part of a piston rod of the air cylinder (16), the rack (15) is meshed with the gear (14), and the air cylinder (16) is arranged on the side wall of the lathe tailstock (3) and is used for pushing the rack (15) to move;
the guide assembly (2) is used for guiding the fixed block (11) to vertically lift.
2. The automatic clamping device for a tailstock of a numerically controlled lathe according to claim 1, wherein: the eccentric shaft (13) comprises a shaft body (131) and a rotary table (132), the shaft body (131) stretches into the inner cavity of the lathe tailstock (3) and is rotationally connected with the lathe tailstock (3), the rotary table (132) is coaxially fixedly connected to one end of the shaft body (131) stretching into the inner cavity of the lathe tailstock (3), and one end of the connecting rod (12) is eccentrically hinged with the rotary table (132).
3. The automatic clamping device for a tailstock of a numerically controlled lathe according to claim 2, wherein: the connecting rod (12) comprises a hinged section (121) and a fixed section (122), the hinged section (121) is hinged with the fixed section (122), one end, away from the fixed section (122), of the hinged section (121) is eccentrically hinged with the rotary table (132), and one end, away from the hinged section (121), of the fixed section (122) is connected with the fixed block (11).
4. The automatic clamping device for a tailstock of a numerically controlled lathe according to claim 1, wherein: the guide assembly (2) comprises a guide rod (21), the guide rod (21) is vertically arranged on the lathe tailstock (3), a containing groove (32) is formed in the side wall of the lathe tailstock (3), one end of the guide rod (21) stretches into and is fixed in the containing groove (32), and the other end of the guide rod penetrates through the fixed block (11) and is in sliding connection with the fixed block (11).
5. The automatic clamping device for a tailstock of a numerically controlled lathe according to claim 4, wherein: one end of the guide rod (21) extending into the accommodating groove (32) is connected with a first nut (22) in a threaded mode, and the bottom wall of the first nut (22) is abutted to the inner bottom wall of the accommodating groove (32).
6. The automatic clamping device for a tailstock of a numerically controlled lathe according to claim 4, wherein: the guide rod (21) penetrates through one end of the fixed block (11) and is connected with a second nut (23) in a threaded mode, and when the fixed block (11) descends to the lowest position, the top wall of the second nut (23) is abutted to the bottom wall of the fixed block (11).
7. A numerically controlled lathe tailstock automatic clamping device as set forth in claim 3, wherein: and one end, far away from the hinge section (121), of the fixed section (122) is in threaded connection with a third nut (123), and the top wall of the third nut (123) is abutted with the bottom wall of the fixed block (11).
8. The automatic clamping device for a tailstock of a numerically controlled lathe according to claim 1, wherein: the side wall of the lathe tailstock (3) is provided with a guide plate (33), the guide plate (33) is provided with a guide groove (331) for guiding the movement of the rack (15), and the rack (15) is slidably connected in the guide groove (331).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321063149.5U CN220006014U (en) | 2023-05-05 | 2023-05-05 | Automatic clamping device for tailstock of numerical control lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321063149.5U CN220006014U (en) | 2023-05-05 | 2023-05-05 | Automatic clamping device for tailstock of numerical control lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220006014U true CN220006014U (en) | 2023-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321063149.5U Active CN220006014U (en) | 2023-05-05 | 2023-05-05 | Automatic clamping device for tailstock of numerical control lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220006014U (en) |
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2023
- 2023-05-05 CN CN202321063149.5U patent/CN220006014U/en active Active
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