CN220591800U - High-precision grinding machine for machining external threads - Google Patents
High-precision grinding machine for machining external threads Download PDFInfo
- Publication number
- CN220591800U CN220591800U CN202322291722.4U CN202322291722U CN220591800U CN 220591800 U CN220591800 U CN 220591800U CN 202322291722 U CN202322291722 U CN 202322291722U CN 220591800 U CN220591800 U CN 220591800U
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- grinding wheel
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- workbench
- sliding plate
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- 238000003754 machining Methods 0.000 title claims abstract description 12
- 238000009966 trimming Methods 0.000 claims abstract description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000007514 turning Methods 0.000 abstract description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high-precision grinding machine for machining external threads, which comprises a workbench and a sliding plate, wherein the workbench and the sliding plate respectively move left and right and move back and forth on a lathe bed, a turntable device and a tailstock of a high-precision motor are fixed on the workbench, and a trimming device is fixed on the turntable device; the grinding wheel motorized spindle performs rotary motion on a rotary device, and the rotary angle of the grinding wheel motorized spindle corresponds to the thread lift angle of workpiece processing; the grinding wheel respectively performs rotary motion and forward and backward movement through the rotary device and the sliding plate. According to the utility model, workpieces are fastened and fixed in a jacking mode through the A center on the turntable device and the B center on the tailstock, and the workpieces with different lengths can be fixed. The external diameter of the grinding wheel is trimmed through the trimming device, and after trimming is finished, the grinding wheel rotates to a corresponding angle through the turning device, at the moment, the Z axis and the X axis conduct differential compensation motion according to the external thread tooth shape, and then the external thread part of the workpiece is ground, so that the machining precision of the external thread of the workpiece can be improved.
Description
Technical Field
The utility model relates to the technical field of grinding machines, in particular to a high-precision grinding machine for machining external threads.
Background
The grinding is a processing method for cutting off redundant materials on a workpiece by using an abrasive material and a grinding tool, the grinding processing method has various forms according to different process purposes and requirements, the grinding is mainly carried out by using a grinding wheel in production, after long-term use, the grinding wheel is worn, so that the external thread of the workpiece is processed inaccurately, the processing precision and the processing efficiency are affected, and therefore, the high-precision grinding machine for processing the external thread is provided.
Disclosure of Invention
The utility model aims to provide a high-precision grinding machine for machining external threads, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-precision grinding machine for machining the external threads comprises a workbench and a sliding plate, wherein the workbench and the sliding plate respectively move left and right and move back and forth on a lathe bed, a turntable device and a tailstock of a high-precision motor are fixed on the workbench, and a trimming device is fixed on the turntable device;
the rotating device of the precise worm and gear speed reducer is fixed on the sliding plate, the grinding wheel electric spindle is fixed on the rotating device, the grinding wheel electric spindle rotates on the rotating device, and the rotating angle of the grinding wheel electric spindle corresponds to the thread lead angle of the workpiece;
the grinding wheel motorized spindle is fixedly provided with a grinding wheel, and the grinding wheel respectively performs rotary motion and forward and backward movement through a rotary device and a sliding plate.
The utility model is used for grinding a series of external threads such as high-precision external threads, screw rods, screw taps and the like.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the workpiece is fixed in a jacking manner through the A center on the turntable device and the B center on the tailstock, and the tailstock is manually operated to move on the workbench, so that workpieces with different lengths are processed.
The external diameter of the grinding wheel is trimmed through the trimming device, and after trimming is finished, the grinding wheel rotates to a corresponding angle through the turning device, at the moment, the Z axis and the X axis conduct differential compensation motion according to the external thread tooth shape, and then the external thread part of the workpiece is ground, so that the machining precision of the external thread of the workpiece can be improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. a bed body; 2. a work table; 3. a slide plate; 4. a turntable device; 5. a slewing device; 6. grinding wheel motorized spindle; 7. a trimming device; 8. grinding wheel; 9. and a tailstock.
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, the present utility model provides a technical solution: the high-precision grinding machine for machining external threads comprises a workbench 2 and a sliding plate 3, wherein the workbench 2 and the sliding plate 3 respectively move left and right (Z-axis direction) and move back and forth (X-axis direction) on a lathe bed 1, a turntable device 4 and a tailstock 9 of a high-precision motor are fixed on the workbench 2, and a trimming device 7 is fixed on the turntable device 4;
the rotating device 5 of the precise worm and gear speed reducer is fixed on the sliding plate 3, the grinding wheel electric spindle 6 is fixed on the rotating device 5, the grinding wheel electric spindle 6 rotates on the rotating device 5, and the rotation angle corresponds to the thread lead angle of workpiece processing;
the grinding wheel motorized spindle 6 is fixedly provided with a grinding wheel 8, and the grinding wheel 8 respectively performs rotary motion and forward and backward movement through the rotary device 5 and the sliding plate 3.
The sliding plate 3 and the workbench 2 form a linear motion mechanism, and the linear motion mechanism moves left and right and moves back and forth on the lathe bed 1.
The rotary table device 4 is provided with an A center, the tailstock 9 is provided with a B center, the tailstock 9 is manually operated to move on the workbench 2, and the tailstock 9 moves towards the rotary table device 4, so that the A center and the B center clamp and fix workpieces, and workpieces with different lengths are machined.
Specifically, during processing, the workpiece is fastened and fixed by the tip A on the turntable device 4 and the tip B on the tailstock 9, the grinding wheel 8 rotates in the horizontal position by the rotary device 5, and the Z axis (left-right direction) and the X axis (front-back direction) perform differential compensation movement, so that the outer diameter of the grinding wheel 8 is subjected to tooth profile repairing by the trimming device 7.
After finishing repairing, the grinding wheel 8 rotates to a corresponding angle through the rotary device 5, and at the moment, the Z axis and the X axis carry out differential compensation motion according to the tooth shape of the external thread, so that the external thread part of the workpiece is ground.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a high accuracy grinding machine of processing external screw thread, includes workstation (2) and slide (3), its characterized in that: the workbench (2) and the sliding plate (3) respectively move left and right and move back and forth on the lathe bed (1), a turntable device (4) and a tailstock (9) of a high-precision motor are fixed on the workbench (2), and a trimming device (7) is fixed on the turntable device (4);
a rotary device (5) of a precise worm gear reducer is fixed on the sliding plate (3), a grinding wheel electric spindle (6) is fixed on the rotary device (5), and the grinding wheel electric spindle (6) performs rotary motion on the rotary device (5), and the rotary angle of the grinding wheel electric spindle corresponds to the thread lift angle of workpiece processing;
the grinding wheel motorized spindle (6) is fixedly provided with a grinding wheel (8), and the grinding wheel (8) respectively performs rotary motion and forward and backward movement through the rotary device (5) and the sliding plate (3).
2. The high precision grinding machine for machining external threads as defined in claim 1, wherein: the sliding plate (3) and the workbench (2) form a linear motion mechanism, and the linear motion mechanism moves left and right and moves back and forth on the lathe bed (1).
3. The high precision grinding machine for machining external threads as defined in claim 1, wherein: the manual operation tailstock (9) moves the position on the workbench (2), so that workpieces with different lengths can be processed.
4. A high precision grinding machine for machining external threads as defined in claim 3, wherein: the rotary table device (4) is provided with an A center, the tailstock (9) is provided with a B center, and the tailstock (9) moves towards the rotary table device (4), so that the A center and the B center clamp and fix a workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322291722.4U CN220591800U (en) | 2023-08-24 | 2023-08-24 | High-precision grinding machine for machining external threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322291722.4U CN220591800U (en) | 2023-08-24 | 2023-08-24 | High-precision grinding machine for machining external threads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220591800U true CN220591800U (en) | 2024-03-15 |
Family
ID=90168166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322291722.4U Active CN220591800U (en) | 2023-08-24 | 2023-08-24 | High-precision grinding machine for machining external threads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220591800U (en) |
-
2023
- 2023-08-24 CN CN202322291722.4U patent/CN220591800U/en active Active
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