CN215315750U - Multidirectional adjustable tool rest device - Google Patents
Multidirectional adjustable tool rest device Download PDFInfo
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- CN215315750U CN215315750U CN202121187299.8U CN202121187299U CN215315750U CN 215315750 U CN215315750 U CN 215315750U CN 202121187299 U CN202121187299 U CN 202121187299U CN 215315750 U CN215315750 U CN 215315750U
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- fine adjustment
- sliding block
- tool rest
- adjustment frame
- cutter
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Abstract
The utility model relates to a multidirectional adjustable knife rest device which is provided with a knife rest seat, wherein an upper plate is fixed on the upper end surface of the knife rest seat, a sliding block which is in sliding fit with the front surface of the knife rest seat is arranged below the upper plate, a knife rest for mounting a knife is arranged on the sliding block, a differential bolt for adjusting the up-down displacement of the sliding block is connected between the upper plate and the sliding block, a first fine adjustment frame for adjusting the angle of the knife rest in the X-Y direction is arranged on the side surface of the knife rest, and a second fine adjustment frame for adjusting the angle of the knife rest in the X-Z direction is arranged on the knife rest. The utility model completes the multi-direction fine adjustment of the cutter through the differential bolt, the first fine adjustment frame and the second fine adjustment frame so as to make up the angle deviation caused by the processing defect of the cutter frame; because the rotation directions of all the workpieces are vertical to the front tool face, the fixed points of the stress pivot points of the tool rest are just opposite to the fixed points, and therefore, the integral stability of the structure can be ensured.
Description
Technical Field
The utility model relates to the technical field of machining equipment, in particular to a multidirectional adjustable tool rest device for an ultra-precision lathe.
Background
In the manufacturing industry of ultra-precision lathes, an adjustable tool rest generally adopts a thread differential structure to adjust the height of a tool cutting edge relative to the rotation center of a machine tool spindle during machining, but the structure can only adjust the height of the tool cutting edge, but cannot adjust the tool cutting edge in the horizontal direction, only can ensure the machining precision of parts per se, cannot effectively ensure the machining quality, and also influences the improvement of the machining efficiency; and because the position of the cutting tool is fixed, multidirectional adjustment cannot be carried out, and the machining precision of the workpiece is subjected to error due to slight angle deviation, so that the machining requirement of the high-precision workpiece cannot be met.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides a multidirectional adjustable tool rest device for an ultra-precision lathe, so that the multidirectional adjustment of the tool tip of a tool is realized, the tool setting precision of a workpiece is improved, and the processing requirement of the high-precision workpiece is met.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the multi-direction adjustable knife rest device is provided with a knife rest seat, an upper plate is fixed on the upper end face of the knife rest seat, a sliding block in sliding fit with the front face of the knife rest seat is arranged below the upper plate, a knife rest for mounting a knife is arranged on the sliding block, a differential bolt for adjusting the vertical displacement of the sliding block is connected between the upper plate and the sliding block, a first fine adjustment frame for adjusting the X-Y direction angle of the knife rest is arranged on the side face of the knife rest, and a second fine adjustment frame for adjusting the X-Z direction angle of the knife rest is arranged on the knife rest.
Specifically speaking, the knife rest include connecting plate and the dress sword piece of body structure, the connecting plate outside passes through the screw connection with the slider, the connecting plate is inboard to be connected through first round pin axle location with the slider, the cutter is located dress sword piece up end and passes through second round pin axle location connection.
Preferably, the first fine adjustment frame is fixedly connected with the side face of the sliding block, the first fine adjustment frame is provided with a clamping groove, a gap is arranged in the clamping groove in the side face of the connecting plate in a clamping mode, and the upper end face and the lower end face of the first fine adjustment frame are respectively connected with a vertical jackscrew which can be screwed to the connecting plate to adjust the angle of the cutter frame seat in the X-Y direction.
Furthermore, the second fine adjustment frame is provided with a rectangular groove, the second fine adjustment frame is fixedly connected with the cutter loading block in a mode that the notch of the rectangular groove faces downwards, the cutter is clamped in the rectangular groove, and two side faces of the second fine adjustment frame are respectively connected with a transverse jackscrew for adjusting the angle of the cutter in the X-Z direction.
The utility model has the beneficial effects that: the utility model completes the multi-direction fine adjustment of the cutter through the differential bolt, the first fine adjustment frame and the second fine adjustment frame so as to make up the angle deviation caused by the processing defect of the cutter frame; because the rotation directions of all the workpieces are vertical to the front tool face, the fixed points of the stress pivot points of the tool rest are just opposite to the fixed points, and therefore, the integral stability of the structure can be ensured.
Drawings
The utility model is further described with reference to the following figures and embodiments.
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. the tool comprises a tool rest seat, 2 parts of an upper plate, 3 parts of a sliding block, 4 parts of a tool, 5 parts of a tool rest, 5 parts of a connecting plate, 5 parts of a tool loading block, 6 parts of a first pin shaft, 7 parts of a differential bolt, 8 parts of a first fine adjustment frame, 8 parts of a clamping groove, 9 parts of a second fine adjustment frame, 9 parts of a rectangular groove, 10 parts of a vertical jackscrew, 11 parts of a second pin shaft and 12 parts of a transverse jackscrew.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the multi-directional adjustable tool rest device comprises a tool rest base 1, wherein two upper plates 2 are fixed on the upper end surface of the tool rest base 1 side by side, the front ends of the upper plates 2 protrude out of the front end surface of the tool rest base 1, two sliding blocks 3 are arranged on the front surface of the tool rest base 1 in a sliding fit manner, the two sliding blocks 3 are respectively positioned below the corresponding upper plates 2, a tool rest 5 for mounting a tool 4 is arranged on each sliding block 3, and the two tool rests 5 are arranged in a staggered manner from front to back.
The tool rest 5 comprises a connecting plate 5-1 and a tool loading block 5-2 which are of an integral structure, the tool loading block 5-2 is located in the middle of the connecting plate 5-1, the outer side of the connecting plate 5-1 is connected with the sliding block 3 through a screw, and the inner side of the connecting plate 5-1 is connected with the sliding block 3 through a first pin shaft 6 in a positioning mode.
A differential bolt 7 capable of adjusting the up-and-down displacement of the sliding block 3 is connected between the upper plate 2 and the sliding block 3, a first fine adjustment frame 8 capable of adjusting the angle of the tool rest 5 in the X-Y direction is arranged on the outer side of a connecting plate 5-1 of the tool rest 5, and a second fine adjustment frame 9 capable of adjusting the angle of the tool rest 4 in the X-Z direction is arranged on a tool loading block 5-2 of the tool rest 5.
Specifically, the first fine adjustment frame 8 is fixedly connected with the side face of the sliding block 3, the first fine adjustment frame 8 is provided with a clamping groove 8-1 with an opening facing to one side of the tool rest 5, the connecting plate 5-1 is clamped in the clamping groove in a side clearance manner, and the upper end face and the lower end face of the clamping groove 8-1 are respectively connected with vertical jackscrews 10 correspondingly screwed to the upper surface and the lower surface of the connecting plate 5-1, so that the angle of the tool rest 5 in the X-Y direction can be adjusted.
The second fine adjustment frame 9 is provided with a rectangular groove 9-1, the second fine adjustment frame 9 is fixedly connected with the cutter loading block 5-2 in a mode that a notch of the rectangular groove 9-1 faces downwards, the cutter 4 is positioned on the upper end face of the cutter loading block 5-2 and clamped in the rectangular groove 9-1, the cutter 4 is in positioning connection with the upper end face of the cutter loading block 5-2 through a second pin shaft 11, and two side faces of the second fine adjustment frame 9 are respectively connected with a transverse jackscrew 12 for adjusting the angle of the cutter 4 in the X-Z direction.
Coarse adjustment in the Y direction: this structure adopts the fixed multiple spot regulation mode of screw hole. For machining, the product specification is determined, so a sliding adjustment mode is not needed, and the assembly precision of the fixed point position of the threaded hole is incomparable with the sliding adjustment.
Fine adjustment in Y direction: the differential bolt 7 realizes a finer feed displacement by the difference in pitch between the two ends, for example: the upper plate 2 adopts a thread pitch of 0.8, the slide block 3 adopts a thread pitch of 0.75, the differential bolt 7 manufactured based on the thread pitch can realize the displacement of 0.05 of a single turn, and the slide block 3 is pushed to move downwards and upwards in the Y direction by rotating the differential bolt 7 in the clockwise or anticlockwise direction so as to realize the downward and upwards displacement adjustment of the cutter 4 in the Y direction, wherein the displacement can be determined according to the thread pitch design of the differential thread 7.
And after coarse adjustment, fine adjustment in the Y direction is started, a dial indicator is turned on when the differential bolt 7 is adjusted, the numerical value of the dial indicator is checked while the differential bolt 7 is rotated, and Y-direction displacement adjustment of the tool rest is completed.
Angle in X-Y direction: firstly, the screw connection between the outer side of the connecting plate 5-1 and the sliding block 3 is loosened, at the moment, the first pin shaft 6 plays a role in positioning and rotating the tool rest 5, the vertical jackscrew 10 is pre-tightened, the tool rest 5 is pushed to swing around the first pin shaft 6 to realize the angle adjustment of the tool rest 5 in the X-Y direction, the adjustment range is within about 3 degrees, and finally the angle fine adjustment of the tool rest 4 in the X-Y direction is realized.
Angle in X-Z direction: firstly, a connecting screw between the cutter 4 and the cutter loading block 5-2 is loosened, the second pin shaft 11 plays a role in positioning and rotating, the transverse jackscrew 12 is pre-tightened, the cutter 4 is pushed to carry out angle fine adjustment around the second pin shaft 11 in the X-Z direction, and the adjusting range is within about 3 degrees.
The utility model adopts multi-point fixed adjustment of the threaded holes to meet the height adjustment requirements of different processing workpieces and improve the rigidity of the tool rest 5; the tool 4 is finely adjusted in multiple directions through the differential bolt 7, the vertical jackscrew 10 and the transverse jackscrew 12 so as to make up for the angle deviation caused by the processing defects of the tool rest 5; since the rotation direction of all the workpieces is vertical to the front tool face of the tool 4, the fixed points of the stressed supporting points of the tool rest 5 are just opposite to the fixed points, and therefore, the integral stability of the structure can be ensured.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides a knife rest device with adjustable it is multidirectional, has the knife rest seat, characterized by: the upper end face of the tool rest base is fixedly provided with an upper plate, a sliding block in sliding fit with the front face of the tool rest base is arranged below the upper plate, a tool rest for mounting a tool is arranged on the sliding block, a differential bolt for adjusting the sliding block to move up and down is connected between the upper plate and the sliding block, a first fine adjustment frame for adjusting the angle of the tool rest in the X-Y direction is arranged on the side face of the tool rest, and a second fine adjustment frame for adjusting the angle of the tool rest in the X-Z direction is arranged on the tool rest.
2. The multi-directionally adjustable tool post apparatus of claim 1, further comprising: the cutter frame comprises a connecting plate and a cutter loading block which are of an integral structure, the outer side of the connecting plate is connected with the sliding block through a screw, the inner side of the connecting plate is connected with the sliding block through a first pin shaft in a positioning mode, and the cutter is located on the upper end face of the cutter loading block and is connected with the upper end face of the cutter loading block through a second pin shaft in a positioning mode.
3. The multi-directionally adjustable tool post apparatus of claim 2, further comprising: the first fine adjustment frame is fixedly connected with the side face of the sliding block and provided with a clamping groove, a gap is arranged in the side face of the connecting plate in a clamping mode, and the upper end face and the lower end face of the first fine adjustment frame are respectively connected with a vertical jackscrew which can be screwed to the connecting plate to adjust the angle of the tool rest base in the X-Y direction.
4. The multi-directionally adjustable tool post apparatus of claim 2, further comprising: the second fine adjustment frame is provided with a rectangular groove, the second fine adjustment frame is fixedly connected with the cutter loading block in a mode that the notch of the rectangular groove faces downwards, the cutter is clamped in the rectangular groove, and two side faces of the second fine adjustment frame are respectively connected with a transverse jackscrew for adjusting the angle of the cutter in the X-Z direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121187299.8U CN215315750U (en) | 2021-05-31 | 2021-05-31 | Multidirectional adjustable tool rest device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121187299.8U CN215315750U (en) | 2021-05-31 | 2021-05-31 | Multidirectional adjustable tool rest device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215315750U true CN215315750U (en) | 2021-12-28 |
Family
ID=79549232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121187299.8U Active CN215315750U (en) | 2021-05-31 | 2021-05-31 | Multidirectional adjustable tool rest device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215315750U (en) |
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2021
- 2021-05-31 CN CN202121187299.8U patent/CN215315750U/en active Active
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