CN217371370U - Machine tool center frame moving device - Google Patents
Machine tool center frame moving device Download PDFInfo
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- CN217371370U CN217371370U CN202220339701.8U CN202220339701U CN217371370U CN 217371370 U CN217371370 U CN 217371370U CN 202220339701 U CN202220339701 U CN 202220339701U CN 217371370 U CN217371370 U CN 217371370U
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- center frame
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- machine tool
- guide rail
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- 230000001681 protective effect Effects 0.000 claims description 12
- 238000003754 machining Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The application relates to a center frame moving device of a machine tool, which comprises the machine tool, wherein a workbench is arranged in the machine tool, the workbench is provided with a guide rail, the guide rail is connected with a center frame and a tailstock in a sliding manner, the center frame and the tailstock are used for supporting a workpiece, the workbench is also provided with a first driving assembly and a second driving assembly, and the first driving assembly is connected with the tailstock and is used for driving the tailstock to slide along the guide rail; the second driving assembly is connected with the center frame and used for driving the center frame to slide along the guide rail. Through setting up guide rail, tailstock, centre frame, first drive assembly and second drive assembly, when the work piece of major axis class is fixed in the lathe and treats processing in, can treat the position of processing according to major axis class work piece, slide tailstock and centre frame on the guide rail to the position that is close to major axis class work piece and treats processing, give the effectual support of major axis class work piece, reduce the cutter on the sword tower and shake the emergence of the sword condition when touching major axis class work piece, improve the machining precision of major axis class work piece.
Description
Technical Field
The application relates to the technical field of machine tools, in particular to a center frame moving device of a machine tool.
Background
Workpieces with high precision requirements are generally machined finally by a cutting method on a machine tool.
Major axis class work piece all adopts one end to fix with the chuck centre gripping usually on the lathe, and the other end supports the mode with the tailstock, and when the cutter touched major axis class work piece, because major axis class work piece middle section lacks the support, major axis class work piece can appear rocking from top to bottom or front and back of small amplitude in the course of working, easily leads to appearing shaking the sword when cutter processing on the sword tower, influences the machining precision of major axis class work piece, awaits improving.
SUMMERY OF THE UTILITY MODEL
In order to improve the machining precision of major axis class work piece, this application provides a lathe centre frame mobile device.
The application provides a lathe centre frame mobile device adopts following technical scheme:
a machine tool center frame moving device comprises a machine tool, wherein a workbench is arranged in the machine tool, a guide rail is arranged on the workbench, the guide rail is connected with a center frame and a tailstock in a sliding manner, the center frame and the tailstock are used for supporting a workpiece, a first driving assembly and a second driving assembly are further arranged on the workbench, and the first driving assembly is connected with the tailstock and is used for driving the tailstock to slide along the guide rail;
the second driving assembly is connected with the center frame and used for driving the center frame to slide along the guide rail.
Through above-mentioned technical scheme, set up guide rail, tailstock, centre frame, first drive assembly and second drive assembly, when the work piece of major axis class is fixed in the lathe and treats processing, can treat the position of processing according to major axis class work piece, slide tailstock and centre frame on the guide rail to the position that is close to major axis class work piece and treats processing, give the effectual support of major axis class work piece, reduce the cutter on the sword tower and shake the emergence of the sword condition when touching major axis class work piece, improve the machining precision of major axis class work piece.
Optionally, two guide rails are provided, and the two guide rails are parallel to each other;
the tail seat is provided with a first connecting seat, the first connecting seat is connected with the two guide rails in a sliding manner, and the tail seat is connected with the two guide rails in a sliding manner through the first connecting seat;
the center frame is provided with a second connecting seat, the second connecting seat is connected with the two guide rails in a sliding mode, and the center frame is connected with the two guide rails in a sliding mode through the second connecting seat.
Through above-mentioned technical scheme, set up two guide rails, improve the bearing capacity to center frame and tailstock, and then improve the stability that center frame and tailstock removed the in-process.
Optionally, the first driving assembly includes a screw rod, a first driving motor and a sliding seat, the screw rod is mounted on the workbench, and the length direction of the screw rod is parallel to the length directions of the two guide rails;
the output shaft of the first driving motor is coaxially connected with the lead screw, the sliding seat is in threaded connection with the lead screw, and the sliding seat and one end, far away from the tailstock, of the first connecting seat are fixedly connected and are used for driving the tailstock to slide on the guide rail.
Through above-mentioned technical scheme, set up first drive assembly and include lead screw, first driving motor and the seat that slides, the lead screw transmission has the advantage of high transmission efficiency and high transmission precision, slides through setting up the lead screw and the seat that slides drive the tailstock, has improved accuracy nature and the stability that the tailstock slided.
Optionally, the screw rod is arranged between the two guide rails.
Through above-mentioned technical scheme, set up the lead screw and be located between two guide rails, improve the utilization ratio in space for holistic structure is compacter.
Optionally, the second driving assembly includes a second driving motor, a driving gear and a rack, the rack is fixed to the workbench, and the length direction of the rack is parallel to the length directions of the two guide rails;
the driving gear is coaxially fixed to an output shaft of the second driving motor, the driving gear is meshed with the rack, and the second driving motor rotates to drive the center frame to slide on the guide rail.
Through above-mentioned technical scheme, set up the second drive assembly and include second driving motor, drive gear and rack, the space that the rack installation occupy is less, relies on rack and pinion driven form drive centre frame to slide, can make whole arranging compacter, and rack and pinion transmission has higher transmission precision and transmission efficiency, can improve the accuracy nature that the centre frame slided.
Optionally, the two guide rails, the first driving assembly, the second driving assembly, the center frame and the tailstock are all located on an end surface of the workbench, which faces the operation port of the machine tool and is arranged obliquely downwards.
Through the technical scheme, the guide rail, the first driving assembly, the second driving assembly, the center frame and the tailstock are obliquely arranged, so that acting force generated by the center frame and the tailstock on the guide rail can be decomposed into extrusion force on the side wall of the guide rail and extrusion force on the end face of the guide rail, which deviates from the workbench, the acting force applied to the guide rail is dispersed, the deformation of the guide rail is reduced, and the service durability of the guide rail is improved;
and the center frame and the inclined center frame are also favorable for observation of operators in the operation process, so that the convenience of operation is improved.
Optionally, a first telescopic protective cover for covering the two guide rails is arranged between one end of the center frame, which is far away from the tailstock, and the machine tool;
a second telescopic protective cover used for covering two guide rails is arranged between the tailstock and the center frame;
and a third telescopic protective cover used for covering the two guide rails is arranged between one end of the tailstock far away from the center frame and the machine tool.
Through above-mentioned technical scheme, set up telescopic protection casing one, telescopic protection casing two, telescopic protection casing three, protect the guide rail surface, reduce the piece that the work piece produced in the course of working and the influence that the dust led to the fact the guide rail, improve tailstock and centre frame and slide in the stability of guide rail.
Optionally, the center frame is provided with a housing for covering the second driving motor.
Through above-mentioned technical scheme, set up the clamshell, protect second driving motor, reduce in the work piece course of working, liquid and piece etc. and second driving motor's contact improves second driving motor's job stabilization nature, and then improves the stability that the centre frame removed.
In summary, the present application includes at least one of the following beneficial technical effects:
(1) by arranging the guide rail, the tailstock, the center frame, the first driving assembly and the second driving assembly, when a long-shaft workpiece is fixed in a machine tool to be processed, the tailstock and the center frame can be slidingly moved to a position close to the long-shaft workpiece to be processed on the guide rail according to the position of the long-shaft workpiece to be processed, so that the long-shaft workpiece is effectively supported, the occurrence of cutter vibration when a cutter on a cutter tower touches the long-shaft workpiece is reduced, and the processing precision of the long-shaft workpiece is improved;
(2) by arranging the two guide rails, the bearing capacity of the center frame and the tailstock is improved, and the stability of the center frame and the tailstock in the moving process is further improved;
(3) through setting up second drive assembly and including second driving motor, drive gear and rack, because the space that the rack installation occupy is less, rely on rack and pinion driven form drive centre frame to slide, can make whole arranging compacter, and rack and pinion transmission has higher transmission precision and transmission efficiency, can improve the accuracy nature that the centre frame slided.
Drawings
Fig. 1 is a schematic overall structure diagram of the present embodiment.
Fig. 2 is a partial structural schematic diagram of the embodiment.
Fig. 3 is an enlarged schematic view of a part of the structure of the present embodiment.
Fig. 4 is a partial schematic structural diagram of the present embodiment, for illustrating a structure of the second driving assembly.
Fig. 5 is an enlarged schematic view of the second driving assembly of the present embodiment.
Reference numerals are as follows: 1. a machine tool; 2. a work table; 3. a guide rail; 4. a first slider; 5. a second slider; 6. a first connecting seat; 7. a second connecting seat; 8. a tailstock; 9. a center frame; 10. a first drive assembly; 101. a screw rod; 102. a first drive motor; 103. a sliding seat; 104. a threaded hole; 11. a second drive assembly; 111. a second drive motor; 112. a drive gear; 113. a rack; 12. a housing; 13. a first telescopic protective cover; 14. a second telescopic protective cover; 15. and a third telescopic protective cover.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses a center frame moving device of a machine tool.
Referring to fig. 1 and 2, the machine tool comprises a machine tool 1, wherein a workbench 2 is arranged in the machine tool 1, and two guide rails 3 which are parallel to each other are fixed on the end surface of the workbench 2 which faces to the operation opening of the machine tool 1 and inclines downwards. Each guide rail 3 is connected with a first slide block 4 and a second slide block 5 in a sliding way. The two first sliders 4 are far away from the first connecting seat 6 fixedly connected with the end faces of the two first sliders 4, and the two first sliders 4 are far away from the tail seat 8 fixedly connected with the end faces of the first connecting seat 6. The two second sliders 5 are far away from the end faces, corresponding to the guide rails 3, of the two second connecting seats 7, and the end faces, far away from the two second sliders 5, of the second connecting seats 7 are fixedly connected with a center frame 9.
The end surface of the workbench 2 fixed with the guide rail 3 is also provided with a first driving assembly 10 and a second driving assembly 11.
Referring to fig. 3 and 4, the first driving assembly 10 includes a screw 101, a first driving motor 102, and a sliding seat 103. The screw 101 is installed between the two guide rails 3, and the longitudinal direction of the screw 101 is parallel to the longitudinal direction of the two guide rails 3. The first driving motor 102 is mounted on the end face of the workbench 2 where the guide rail 3 is fixed, and the output shaft of the first driving motor 102 is coaxially fixed with the screw rod 101. The sliding seat 103 is fixed on the end surface of the first connecting seat 6 facing the screw rod 101, the sliding seat 103 is provided with a threaded hole 104, the axis of the threaded hole 104 is parallel to the axis of the screw rod 101, and the sliding seat 103 is in threaded connection with the screw rod 101 through the threaded hole 104. The first driving motor 102 drives the screw 101 to rotate to drive the tailstock 8 to slide on the guide rail 3.
Referring to fig. 4 and 5, the second driving assembly 11 includes a second driving motor 111, a driving gear 112, and a rack 113. The rack 113 is fixed on the end face of the workbench 2 on which the guide rail 3 is mounted, the rack 113 is positioned on one side of the guide rail 3 close to the operation opening of the machine tool 1 away from the other guide rail 3, and the length direction of the rack 113 is parallel to the length direction of the guide rail 3. The mounting end of the second driving motor 111 is fixed to an end of the second joint holder 7 facing the operation opening of the machine tool 1. The driving gear 112 is coaxially fixed to an output shaft of the second driving motor 111, and the driving gear 112 is engaged with the rack 113. The second driving motor 111 drives the driving gear 112 to rotate so as to drive the center frame 9 to slide on the guide rail 3. Because the rack 113 needs a smaller space for installation, the central frame 9 is driven to move by the transmission of the gear rack 113, so that the whole arrangement is more compact.
Referring to fig. 3 and 4, in practical use, the tailstock 8 and the centre frame 9 need to cooperate with a tool on a tool turret in the machine tool 1 during the process of supporting a long-axis workpiece. According to the position of a cutter on a tool tower for cutting a long shaft workpiece, the positions of the tailstock 8 and the center frame 9 on the guide rail 3 need to be adjusted in real time so as to provide effective support for the long shaft workpiece, the occurrence of a cutter vibration phenomenon when a cutter head on the tool tower touches the long shaft workpiece is reduced, the influence of the cutter vibration phenomenon on the machining precision of the long shaft workpiece is reduced, and the machining precision of the long shaft workpiece is improved.
Referring to fig. 1 and 4, a housing 12 for housing a second driving motor 111 is connected to one end of the second connecting base 7 facing the operation port of the machine tool 1 and one end of the center frame 9 facing the operation port of the machine tool 1.
A first telescopic protective cover 13 used for covering the two guide rails 3 is connected between one end of the center frame 9 far away from the tailstock 8 and the machine tool 1. A second telescopic protective cover 14 for covering the two guide rails 3 is connected between the central frame 9 and the tail seat 8. A telescopic protective cover III 15 used for covering the two guide rails 3 is connected between one end of the tailstock 8 far away from the center frame 9 and the machine tool 1. The first telescopic protection cover 13, the second telescopic protection cover 14 and the third telescopic protection cover 15 are all steel telescopic guide rail 3 protection covers.
Alternatively, the first telescopic hood 13, the second telescopic hood 14 and the third telescopic hood 15 may be elastic bellows.
As impurities such as liquid, dust, metal debris and the like can appear in the process of processing a workpiece in the machine tool 1, the impurities adhere to the guide rail 3, the first driving motor 102 and the second driving motor 111, and the use stability of the guide rail 3, the first driving motor 102 and the second driving motor 111 can be affected. The first telescopic shield 13, the second telescopic shield 14 and the third telescopic shield 15 are arranged to protect the guide rail 3 and the first driving motor 102, so that the use stability of the guide rail 3 and the first driving motor 102 is improved. The housing 12 is arranged to cover the second driving motor 111, so that the stability of the second driving motor 111 is improved.
The working principle of the embodiment is as follows: the tailstock 8 and the center frame 9 are respectively driven by the first driving motor 102 and the second driving motor 111 to move on the guide rail 3, and the positions of the tailstock 8 and the center frame 9 are freely adjusted according to the moving position of the tool turret in the machine tool 1, so that better support is provided for long-axis workpieces, and the processing precision of the long-axis workpieces is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a lathe centre frame mobile device, includes lathe (1), be equipped with workstation (2) in lathe (1), its characterized in that: the workbench (2) is provided with a guide rail (3), the guide rail (3) is connected with a center frame (9) and a tailstock (8) in a sliding mode, the center frame (9) and the tailstock (8) are used for supporting a workpiece, the workbench (2) is further provided with a first driving assembly (10) and a second driving assembly (11), and the first driving assembly (10) is connected with the tailstock (8) and used for driving the tailstock (8) to slide along the guide rail (3);
the second driving assembly (11) is connected with the center frame (9) and used for driving the center frame (9) to slide along the guide rail (3).
2. The machine tool center frame moving device according to claim 1, characterized in that: two guide rails (3) are arranged, and the two guide rails (3) are parallel to each other;
the tailstock (8) is provided with a first connecting seat (6), the first connecting seat (6) is connected with the two guide rails (3) in a sliding mode, and the tailstock (8) is connected with the two guide rails (3) in a sliding mode through the first connecting seat (6);
the center frame (9) is provided with a second connecting seat (7), the second connecting seat (7) is connected with the two guide rails (3) in a sliding mode, and the center frame (9) is connected with the two guide rails (3) in a sliding mode through the second connecting seat (7).
3. The machine tool center frame moving device according to claim 2, characterized in that: the first driving assembly (10) comprises a screw rod (101), a first driving motor (102) and a sliding seat (103), the screw rod (101) is mounted on the workbench (2), and the length direction of the screw rod (101) is parallel to the length direction of the two guide rails (3);
the output shaft of the first driving motor (102) is coaxially connected with the screw rod (101), the sliding seat (103) is in threaded connection with the screw rod (101), and the sliding seat (103) is fixedly connected with one end, far away from the tailstock (8), of the first connecting seat (6) and is used for driving the tailstock (8) to slide on the guide rail (3).
4. The machine tool center frame moving device according to claim 3, characterized in that: the screw rod (101) is arranged between the two guide rails (3).
5. The machine tool center frame moving device according to claim 2, characterized in that: the second driving assembly (11) comprises a second driving motor (111), a driving gear (112) and a rack (113), the rack (113) is fixed on the workbench (2), and the length direction of the rack (113) is parallel to the length directions of the two guide rails (3);
the driving gear (112) is coaxially fixed on an output shaft of the second driving motor (111), the driving gear (112) is meshed with the rack (113), and the second driving motor (111) rotates to drive the center frame (9) to slide on the guide rail (3).
6. The machine tool center frame moving device according to claim 2, characterized in that: two guide rail (3), first drive assembly (10), second drive assembly (11), centre frame (9) and tailstock (8) all are located workstation (2) and are the terminal surface that the slope set up downwards towards lathe (1) operation mouth.
7. The machine tool center frame moving device according to claim 2, characterized in that: a first telescopic protective cover (13) used for covering two guide rails (3) is arranged between one end of the central frame (9) far away from the tailstock (8) and the machine tool (1);
a second telescopic protective cover (14) used for covering the two guide rails (3) is arranged between the tail seat (8) and the central frame (9);
and a telescopic protective cover III (15) used for covering the two guide rails (3) is arranged between one end of the tailstock (8) far away from the center frame (9) and the machine tool (1).
8. The machine tool center frame moving device according to claim 5, characterized in that: the center frame (9) is provided with a shell cover (12) used for covering the second driving motor (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220339701.8U CN217371370U (en) | 2022-02-18 | 2022-02-18 | Machine tool center frame moving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220339701.8U CN217371370U (en) | 2022-02-18 | 2022-02-18 | Machine tool center frame moving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217371370U true CN217371370U (en) | 2022-09-06 |
Family
ID=83099081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220339701.8U Active CN217371370U (en) | 2022-02-18 | 2022-02-18 | Machine tool center frame moving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217371370U (en) |
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2022
- 2022-02-18 CN CN202220339701.8U patent/CN217371370U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240122 Address after: 317600 Huasheng, Gangwan Village, Yucheng Street, Yuhuan City, Taizhou City, Zhejiang Province, and Sha'ao, Chengzhong Village (Electromechanical Industrial Park) Patentee after: Zhejiang Zhenhuan Intelligent Equipment Co.,Ltd. Country or region after: China Address before: 317699 mechanical and Electrical Industrial Park, Yuhuan City, Taizhou City, Zhejiang Province Patentee before: Zhejiang Zhenhuan CNC machine Limited by Share Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |