CN223863311U - Machine tool center bracket - Google Patents
Machine tool center bracketInfo
- Publication number
- CN223863311U CN223863311U CN202520317774.0U CN202520317774U CN223863311U CN 223863311 U CN223863311 U CN 223863311U CN 202520317774 U CN202520317774 U CN 202520317774U CN 223863311 U CN223863311 U CN 223863311U
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- China
- Prior art keywords
- fixedly connected
- movable
- block
- machine tool
- groove
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Abstract
The utility model discloses a machine tool center bracket, which comprises a bottom plate, wherein a movable seat is arranged above the bottom plate, two symmetrical hydraulic telescopic columns are fixedly connected to the upper end surface of the movable seat, supporting rods are fixedly connected to the movable ends of the two hydraulic telescopic columns, a movable groove is formed in the upper end surface of the supporting rods, two symmetrical movable blocks are connected in the movable groove in a sliding manner, a movable plate is fixedly connected to the upper end surface of the movable block, a fixed block is fixedly connected to the upper end surface of the movable plate, the movable seat can be carried out flexible lifting by stretching out of the two hydraulic telescopic columns, so that the use height of the supporting rods can be flexibly adjusted, and a rotating shaft can rotate with a bidirectional screw rod by matching with the operation of a first positive and negative motor, and then is in threaded connection with the two movable blocks, so that the supporting rollers on two fixing frames are controlled to move, the distance between the two supporting rollers is flexibly and quickly adjusted, a workpiece can be stably and quickly supported, and the working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of center brackets, in particular to a machine tool center bracket.
Background
The machine tool center bracket is a device for fixing and processing a workpiece, is usually arranged at the center of a main shaft of a machine tool, supports the workpiece in the processing process, ensures the processing precision and quality of the workpiece, reduces bending and vibration caused by overlong or insufficient rigidity of the workpiece, and is particularly important for guaranteeing the processing precision of long-shaft parts in turning processing.
The existing center bracket is installed on a lathe workbench according to the spindle center of a lathe in the using process, the workpiece is supported stably through the bracket conveniently, machining accuracy is guaranteed, the spindle rotating radiuses of the lathe are different due to different model sizes of the lathe in the practical operation process, the matched bracket is required to be selected when the lathe is matched with the bracket for use, the height of the bracket is fixed, flexible adjustment cannot be performed, the bracket matched with the lathe is required to be produced according to different lathes, production cost is increased, the bracket cannot be flexibly adjusted according to the radius of the workpiece, and therefore practicality is reduced.
Disclosure of utility model
Aiming at the problems, the utility model aims to provide the machine tool center bracket, which solves the problems that the use height and the supporting structure of the bracket cannot be flexibly adjusted according to the rotation radius of a workpiece to be processed in the using process of the bracket, and the bracket cannot be quickly and flexibly adapted, so that the production cost is increased.
In order to achieve the purpose, the technical scheme is that the machine tool center bracket comprises a bottom plate, a moving seat is arranged above the bottom plate, two symmetrical hydraulic telescopic columns are fixedly connected to the upper end face of the moving seat, supporting rods are fixedly connected to the movable ends of the two hydraulic telescopic columns together, a moving groove is formed in the upper end face of each supporting rod, two symmetrical moving blocks are slidably connected in the moving groove, a moving plate is fixedly connected to the upper end face of each moving block, a fixing block is fixedly connected to the upper end face of each moving plate, a fixing frame is fixedly connected to the upper end face of each fixing block, supporting rollers are rotatably connected to the fixing frames, a first positioning plate is fixedly connected to one side of each supporting rod, a first positive and negative motor is fixedly connected to the upper end face of each first positioning plate, a rotating shaft is connected to the output end of each first positive and negative motor, one end of each rotating shaft, which is far away from each first positive and negative motor, is fixedly connected with a bidirectional screw rod, and the bidirectional screw rod is in threaded connection with the moving blocks.
The movable support has the beneficial effects that the movable support can flexibly lift by extending the two hydraulic telescopic columns, so that the use height of the support rod can be flexibly adjusted, and the rotary shaft can rotate by carrying the bidirectional screw rod in cooperation with the operation of the first positive and negative motor so as to be in threaded connection with the two movable blocks, so that the support rollers on the two fixed frames are controlled to move, the distance between the two support rollers is flexibly and quickly adjusted, the workpiece can be stably and quickly supported, and the working efficiency is improved.
In order to guide the moving plate, the moving stability is ensured;
the technical scheme is further improved that two sides of the moving plate are respectively and fixedly connected with a first guide block and a second guide block, a first guide rod is connected between the two first guide blocks in a sliding mode, a second guide rod is connected between the two second guide blocks in a sliding mode, positioning blocks are fixedly connected to two ends of the first guide rod and two ends of the second guide rod, and the positioning blocks are fixedly connected with the supporting rods;
The improved guide device has the beneficial effects that through the use of the first guide rod and the second guide rod, the corresponding first guide block and second guide block can be matched, the movable plate can be guided, and the movable plate can be ensured to stably move with the fixed block and the fixed frame, so that the support roller is stabilized. In order to limit and guide the movable seat;
As a further improvement of the technical scheme, a sliding groove is formed in the lower end face of the movable seat, a sliding rail is connected in a sliding manner in the sliding groove, and the sliding rail is fixedly connected with the bottom plate;
The improved sliding seat has the beneficial effects that through the use of the sliding groove and the sliding rail, the moving seat can be guided, so that the moving seat is ensured to be stable enough and can not be inclined and rocked in the moving process.
In order to realize flexible movement adjustment of the movable seat;
The technical scheme is further improved that an adjusting groove is formed in the upper end face of the bottom plate, an adjusting block is connected in a sliding mode in the adjusting groove, and the adjusting block is fixedly connected with the movable seat;
The improved movable seat has the beneficial effects that the movable seat can be flexibly moved through the use of the adjusting block and the adjusting groove.
In order to realize flexible movement of the movable seat;
The technical scheme is further improved that one side of the bottom plate is fixedly connected with a second positioning plate, the upper end surface of the second positioning plate is fixedly connected with a second positive and negative motor, the output end of the second positive and negative motor is connected with a screw rod, and the screw rod is rotationally connected with the bottom plate and is in threaded connection with the adjusting block;
The improved structure has the beneficial effects that the second positive and negative motor can be fixed through the use of the second positioning plate, the stability of the second positive and negative motor can be ensured, and the screw rod and the adjusting block are in screw connection through the operation of the positive and negative motor, so that the adjusting block can flexibly move with the movable seat, and the use position of the movable seat can be quickly adjusted.
In order to realize guiding of the support rod;
As a further improvement of the technical scheme, the upper end surface of the movable seat is fixedly connected with two symmetrical fixed columns, the fixed columns are connected with connecting rods in a sliding manner, and the connecting rods are fixedly connected with the supporting plates;
The improved structure has the beneficial effects that the supporting rod can be guided through the sliding between the connecting rod and the fixed column, so that the supporting rod is ensured to be stable enough all the time in the lifting process, and no skew shaking can occur.
In order to limit the connecting rod, the connecting rod is ensured to be stable enough;
As a further improvement of the technical scheme, a limit groove is formed in the fixed column, a limit block is connected in the limit groove in a sliding manner, and the limit block is fixedly connected with the connecting rod;
The improved structure has the beneficial effects that the connecting rod can be limited through the use of the limiting groove and the limiting block, so that the connecting rod can not be separated from the fixed column while sliding on the fixed column, and the connection stability between the connecting rod and the fixed column is ensured.
None of the parts of the device are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic view of an isometric structure provided by the present utility model;
FIG. 2 is a top view provided by the present utility model;
FIG. 3 is a perspective cross-sectional view taken along line A-A of FIG. 2 in accordance with the present utility model;
FIG. 4 is an enlarged view of the portion A of FIG. 3 provided by the present utility model;
FIG. 5 is a front view provided by the present utility model;
fig. 6 is a perspective cross-sectional view at B-B in fig. 5 provided by the present utility model.
In the figure, 1, a bottom plate, 11, a movable seat, 12, a hydraulic telescopic column, 13, a supporting rod, 14, a movable groove, 15, a movable block, 16, a movable plate, 17, a fixed block, 18, a fixed frame, 19, a supporting roller, 20, a first positioning plate, 21, a first positive and negative motor, 22, a rotating shaft, 23, a bidirectional screw rod, 31, a first guiding block, 32, a second guiding block, 33, a first guiding rod, 34, a second guiding rod, 35, a positioning block, 41, a sliding groove, 42, a sliding rail, 51, an adjusting groove, 52, an adjusting block, 61, a second positioning plate, 62, a second positive and negative motor, 63, a screw rod, 71, a fixed column, 72, a connecting rod, 81, a limiting groove, 82 and a limiting block.
Detailed description of the utility modelin order for those skilled in the art to better understand the technical aspects of the present utility model, the following detailed description of the utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be taken as limiting the scope of the utility model.
As shown in fig. 1 to 6, the machine tool center bracket provided by the embodiment of the utility model comprises a bottom plate 1, a movable seat 11 is arranged above the bottom plate 1, two symmetrical hydraulic telescopic columns 12 are fixedly connected to the upper end surface of the movable seat 11, supporting rods 13 are fixedly connected to movable ends of the two hydraulic telescopic columns 12 together, the supporting rods 13 can be flexibly lifted and lowered through the extension of the two hydraulic telescopic columns 12, the using height of the supporting rods 13 is controlled, a movable groove 14 is formed in the upper end surface of the supporting rods 13, two symmetrical movable blocks 15 are slidably connected in the movable groove 14, a movable plate 16 is fixedly connected to the upper end surface of the movable block 15, a fixed block 17 is fixedly connected to the upper end surface of the movable plate 16, a fixed frame 18 is rotatably connected to the fixed frame 18, a first positioning plate 20 is fixedly connected to one side of the supporting rods 13, the upper end surface of the first positioning plate 20 is fixedly connected with a first positive and negative motor 21, the output end of the first positive and negative motor 21 is connected with a rotating shaft 22, one end of the rotating shaft 22 far away from the first positive and negative motor 21 is fixedly connected with a bidirectional screw rod 23, the bidirectional screw rod 23 is in threaded connection with a moving block 15, and the rotating shaft 22 is in threaded connection with the bidirectional screw rod 23 in coordination with the running of the first positive and negative motor 21, so that the bidirectional screw rod 23 and the moving block 15 are in threaded connection, the distance between the supporting rollers 19 on the two fixing frames 18 is rapidly adjusted, two sides of the moving plate 16 are respectively fixedly connected with a first guide block 31 and a second guide block 32, a first guide rod 33 is jointly and slidingly connected between the two first guide blocks 31, a second guide rod 34 is jointly and slidingly connected with two ends of the first guide rod 33 and the second guide rod 34 are fixedly connected with positioning blocks 35, the positioning block 35 is fixedly connected with the supporting rod 13 and matched with two first guide blocks 31, Two second guide blocks 32, The use of the first guide bar 33 and the second guide bar 34 can guide the two moving plates 16, ensure that the moving plates 16 are moved during the movement, the movable seat 11 is stable enough, the lower end surface of the movable seat 11 is provided with a sliding groove 41, the sliding groove 41 is connected with a sliding rail 42 in a sliding way, the sliding rail 42 is fixedly connected with the bottom plate 1, the sliding groove 41 and the sliding rail 42 are used, can slide and guide the movable seat 11 to ensure the stability of the movable seat 11, the upper end surface of the bottom plate 1 is provided with an adjusting groove 51, an adjusting block 52 is connected in the adjusting groove 51 in a sliding way, the adjusting block 52 is fixedly connected with the movable seat 11, one side of the bottom plate 1 is fixedly connected with a second positioning plate 61, the upper end surface of the second positioning plate 61 is fixedly connected with a second positive and negative motor 62, the output end of the second positive and negative motor 62 is connected with a screw rod 63, the screw rod 63 is rotationally connected with the bottom plate 1 and is in screw connection with the adjusting block 52, by the operation of the second positive and negative motor 62, the screw rod 63 is screwed with the adjusting block 52, so that the adjusting block 52 carries the movable seat 11 to flexibly move, sliding on the two sliding rails 42, two symmetrical fixed columns 71 are fixedly connected to the upper end surface of the movable seat 11, a connecting rod 72 is connected to the fixed columns 71 in a sliding manner, the connecting rod 72 is fixedly connected with the supporting plate, the two fixed columns 71 and the corresponding connecting rods 72 are used, the supporting rod 13 can be guided, the supporting rod 13 is ensured to be stable enough in the lifting process, the limiting groove 81 is arranged in the fixed column 71, the limiting block 82 is connected in a sliding way in the limiting groove 81, the limiting block 82 is fixedly connected with the connecting rod 72, the limiting groove 81 and the limiting block 82 are used, the connecting rod 72 and the fixed column 71 can be ensured to slide, and meanwhile, the connecting rod can not be separated from the fixed column 71, so that the pillow port is stable.
When the hydraulic telescopic support is used, firstly, the supporting rod 13 is lifted by stretching out the hydraulic telescopic support 12, the supporting rod 13 is moved to a proper height, the rotating shaft 22 is driven to rotate by the bidirectional screw 23 in cooperation with the operation of the first positive and negative motor 21, the bidirectional screw 23 is in threaded connection with the two moving blocks 15, the moving blocks 15 are driven to move by the fixed blocks 17 and the fixed frames 18 on the moving plate 16, the distance between the two supporting rollers 19 is controlled, the workpiece is supported stably by the use of the supporting rollers 19, the screw rod 63 is driven to be in threaded connection with the adjusting block 52 by the operation of the second positive and negative motor 62, and the adjusting block 52 is driven to slide on the two sliding rails 42 in cooperation with the operation of the first positive and negative motor 21, so that the using position of the moving block 11 is controlled, and the whole using process of the machine tool center bracket is realized.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present utility model has been described 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 and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The machine tool center bracket comprises a bottom plate (1) and is characterized in that a moving seat (11) is arranged above the bottom plate (1), two symmetrical hydraulic telescopic columns (12) are fixedly connected to the upper end face of the moving seat (11), supporting rods (13) are fixedly connected to movable ends of the two hydraulic telescopic columns (12) together, a moving groove (14) is formed in the upper end face of the supporting rod (13), and two symmetrical moving blocks (15) are connected in the moving groove (14) in a sliding mode;
The utility model discloses a movable block, including movable block (15), movable block (16), fixed block (17) up end fixedly connected with mount (18), rotationally be connected with backing roll (19) on mount (18), first locating plate (20) of bracing piece (13) one side fixedly connected with, first positive and negative motor (21) up end fixedly connected with, first positive and negative motor (21) output is connected with pivot (22), pivot (22) are kept away from one end fixedly connected with bi-directional screw (23) of first positive and negative motor (21), bi-directional screw (23) with movable block (15) spiro union.
2. A machine tool center bracket according to claim 1, wherein a first guide block (31) and a second guide block (32) are fixedly connected to two sides of the moving plate (16), a first guide rod (33) is slidingly connected between the two first guide blocks (31), a second guide rod (34) is slidingly connected between the two second guide blocks (32), positioning blocks (35) are fixedly connected to two ends of the first guide rod (33) and two ends of the second guide rod (34), and the positioning blocks (35) are fixedly connected with the support rods (13).
3. The machine tool center bracket according to claim 1, wherein a sliding groove (41) is formed in the lower end face of the movable seat (11), a sliding rail (42) is connected in a sliding manner to the sliding groove (41), and the sliding rail (42) is fixedly connected with the bottom plate (1).
4. The machine tool center bracket according to claim 1, wherein an adjusting groove (51) is formed in the upper end face of the bottom plate (1), an adjusting block (52) is connected in a sliding mode in the adjusting groove (51), and the adjusting block (52) is fixedly connected with the movable seat (11).
5. The machine tool center bracket of claim 4, wherein a second positioning plate (61) is fixedly connected to one side of the bottom plate (1), a second positive and negative motor (62) is fixedly connected to the upper end surface of the second positioning plate (61), a screw rod (63) is connected to the output end of the second positive and negative motor (62), and the screw rod (63) is rotatably connected with the bottom plate (1) and is in threaded connection with the adjusting block (52).
6. The machine tool center bracket according to claim 1, wherein the upper end surface of the movable seat (11) is fixedly connected with two symmetrical fixing columns (71), the fixing columns (71) are connected with connecting rods (72) in a sliding manner, and the connecting rods (72) are fixedly connected with the supporting plates.
7. The machine tool center bracket of claim 6, wherein a limiting groove (81) is formed in the fixed column (71), a limiting block (82) is connected in a sliding manner in the limiting groove (81), and the limiting block (82) is fixedly connected with the connecting rod (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520317774.0U CN223863311U (en) | 2025-02-26 | 2025-02-26 | Machine tool center bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520317774.0U CN223863311U (en) | 2025-02-26 | 2025-02-26 | Machine tool center bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223863311U true CN223863311U (en) | 2026-02-03 |
Family
ID=98589569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520317774.0U Active CN223863311U (en) | 2025-02-26 | 2025-02-26 | Machine tool center bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223863311U (en) |
-
2025
- 2025-02-26 CN CN202520317774.0U patent/CN223863311U/en active Active
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