CN218080818U - Screw tap thread relief grinding machine driven by linear motor - Google Patents
Screw tap thread relief grinding machine driven by linear motor Download PDFInfo
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- CN218080818U CN218080818U CN202222705776.6U CN202222705776U CN218080818U CN 218080818 U CN218080818 U CN 218080818U CN 202222705776 U CN202222705776 U CN 202222705776U CN 218080818 U CN218080818 U CN 218080818U
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Abstract
The utility model belongs to the technical field of the lathe, a screw tap screw thread relief grinding machine driven by a linear motor is related to, comprising a grinding machine base, wherein a linear motor module is arranged at the rear side of the grinding machine base, the linear motor module comprises a grinding workbench which slides longitudinally, a grinding upright post is arranged on the grinding workbench, and a grinding wheel driven by a grinding main shaft is arranged at the front side of the grinding upright post; the grinding machine comprises a grinding machine base and is characterized in that a transverse sliding table is arranged on the front side of the grinding machine base, an anchor clamps workbench is arranged on the transverse sliding table, a headstock and a tailstock are oppositely arranged on the anchor clamps workbench, a workpiece spindle for driving a workpiece to rotate is arranged in the headstock, a headstock tip and a tailstock tip are respectively arranged on the workpiece spindle and the tailstock, and a nozzle capable of moving transversely is arranged on the tailstock. The utility model provides a linear electric motor driven screw tap screw thread relief grinding machine has compact structure, and grinding accuracy is high, and the noise is little, and degree of automation is high, long service life's advantage.
Description
Technical Field
The utility model belongs to the technical field of the lathe, a linear electric motor driven screw tap screw thread relief grinding machine is related to.
Background
With the rapid development of numerical control machine tools, the requirements on threaded tools are higher and higher, and the screw tap as a main tool for machining threaded holes occupies a high proportion in the thread machining, and the geometric accuracy of the screw tap is directly reflected on a machined workpiece, so that the requirements on machine tools for machining screw threads of the screw tap are extremely high, the screw tap belongs to industrial consumables, the use amount is large, and the machining efficiency of the machine tools is also high. When the screw tap is machined, frequent relief grinding actions are required, two driving modes are generally adopted, one driving mode is cam driving, and the mode has high noise during machining; the other is motor drive and screw rod transmission, and in the mode, the screw rod is frequently reciprocated in a small stroke, so that the screw rod is abraded.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide a linear electric motor driven screw tap screw thread relief grinding machine, have compact structure, the grinding precision is high, and the noise is little, and degree of automation is high, long service life's advantage.
In order to solve the above technical problem, the purpose of the present invention can be achieved by the following technical solutions:
a screw tap thread relief grinding machine driven by a linear motor comprises a grinding machine base, wherein a linear motor module is arranged on the rear side of the grinding machine base and comprises a grinding workbench which slides longitudinally, a grinding upright post is arranged on the grinding workbench, and a grinding wheel driven by a grinding main shaft is arranged on the front side of the grinding upright post; the grinding machine comprises a grinding machine base and is characterized in that a transverse sliding rail is arranged on the front side of the grinding machine base, a transverse sliding table is slidably arranged on the transverse sliding rail, a fixture workbench is arranged on the transverse sliding table, a headstock and a tailstock are oppositely arranged on the fixture workbench, a workpiece spindle for driving a workpiece to rotate is arranged in the headstock, a headstock tip and a tailstock tip for clamping the workpiece together are respectively arranged on the workpiece spindle and the tailstock, and a nozzle capable of moving transversely is arranged on the tailstock.
In the screw tap thread relief grinding machine driven by the linear motor, the displacement precision of the grinding workbench of the linear motor module is controlled by the grating ruler.
In the screw tap thread relief grinding machine driven by the linear motor, the grinding spindle is connected with the grinding upright post through the turntable, the angle of the grinding spindle is adjusted by the turntable driven by the hand wheel, and further, an angle mark is arranged on the turntable.
In the screw tap thread relief grinding machine driven by the linear motor, a vertical slide rail is arranged above the front side of the grinding upright post, and a trimming assembly located above the grinding wheel is arranged on the vertical slide rail in a sliding manner.
In the screw tap thread relief grinding machine driven by the linear motor, the trimming assembly comprises a trimming motor and a trimming main shaft, a trimming grinding wheel is arranged on the trimming main shaft, and the trimming motor and the trimming main shaft are in transmission through a belt pulley. Preferably, the dressing grinding wheel is a high-speed diamond roller.
In the screw tap thread relief grinding machine driven by the linear motor, the transverse sliding table is directly connected with the servo motor through a roller guide rail and a ball screw pair for transmission.
In the screw tap thread relief grinding machine driven by the linear motor, the nozzle comprises an upper nozzle piece and a lower nozzle piece, the upper nozzle piece and the lower nozzle piece are respectively positioned at the upper side and the lower side of the workpiece, and furthermore, water outlet holes for spraying cooling water to a working position are formed in the inner sides of the upper nozzle piece and the lower nozzle piece.
In the above screw tap thread relief grinding machine driven by the linear motor, the tailstock is fixedly provided with the nozzle cylinder, a piston rod of the nozzle cylinder is fixedly provided with the mounting plate, the nozzle is fixedly arranged on the mounting plate, and the nozzle cylinder drives the nozzle to move synchronously with the grinding part.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model provides a linear electric motor driven screw tap screw thread relief grinding machine has avoidd the drawback of traditional cam and traditional lead screw. The utility model has the advantages of compact structure, high grinding precision, low noise, high automation degree and long service life.
2. The utility model discloses improved screw tap screw relief grinding machine's cooling body, adopted the nozzle that can follow grinding position synchronous motion, obtained better cooling effect.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a top view of the present invention;
reference numerals: 1. a grinder base; 2. a linear motor module; 3. grinding the workbench; 4. grinding the upright post; 5. grinding the main shaft; 6. grinding the grinding wheel; 7. a transverse slide rail; 8. a transverse sliding table; 9. a jig table; 10. a head frame; 11. a tailstock; 12. a nozzle; 13. a vertical slide rail; 14. a trim component; 15. a nozzle cylinder; 16. and (7) mounting the plate.
Detailed Description
The invention will be further described in the following with specific embodiments in conjunction with the accompanying drawings, see fig. 1-2:
a screw tap thread relief grinding machine driven by a linear motor comprises a grinding machine base 1, wherein a linear motor module 2 is arranged on the rear side of the grinding machine base 1, the linear motor module 2 comprises a grinding workbench 3 which slides longitudinally, a grinding upright post 4 is arranged on the grinding workbench 3, and a grinding wheel 6 driven by a grinding main shaft 5 is arranged on the front side of the grinding upright post 4; the front side of grinding machine base 1 is provided with transverse slide rail 7, transverse slide rail 7 is slided upward and is equipped with transverse sliding table 8, be provided with anchor clamps workstation 9 on the transverse sliding table 8, anchor clamps workstation 9 is last to be provided with headstock 10 and tailstock 11 relatively, be provided with drive work piece pivoted work piece main shaft in the headstock 10, it is top with tailstock 11 respectively to be provided with common centre gripping work piece's headstock 10 on work piece main shaft and the tailstock 11, but be provided with lateral shifting's nozzle 12 on the tailstock 11.
The working mode of the embodiment is as follows: the workpiece is placed at a feeding position on the clamp workbench 9 through a manual or mechanical arm, the two ends of the workpiece clamped by the centers of the headstock 10 and the tailstock 11 complete feeding, the linear motor module 2 drives the grinding wheel 6 to move to a grinding position through the grinding workbench 3, then the grinding spindle 5 drives the grinding wheel 6 to rotate, the workpiece spindle drives the workpiece to rotate, the transverse sliding table 8 drives the workpiece to transversely feed, the linear motor module 2 drives the grinding wheel 6 to longitudinally feed through the grinding workbench 3, the thread relief grinding processing of the screw tap is completed, and meanwhile, the nozzle 12 synchronously moves along with the grinding position and sprays cooling water to the grinding position.
In order to better cover the grinding position with cooling water, the nozzle 12 comprises an upper nozzle sheet and a lower nozzle sheet, the upper nozzle sheet and the lower nozzle sheet are respectively positioned at the upper side and the lower side of the workpiece, and furthermore, water outlet holes for spraying the cooling water to the working position are formed in the inner sides of the upper nozzle sheet and the lower nozzle sheet. When the water cooling grinding machine works, the upper nozzle piece and the lower nozzle piece simultaneously discharge water to cool heat generated by grinding.
The following structure of the nozzle 12 in this embodiment is: a nozzle cylinder 15 is fixed on the tail frame 11, a mounting plate 16 is fixed on a piston rod of the nozzle cylinder 15, the nozzle 12 is fixed on the mounting plate 16, and the nozzle cylinder 15 drives the nozzle 12 to move synchronously with the grinding part. When the grinding machine works, the nozzle cylinder 15 can drive the nozzle 12 to move transversely, so that the position of the nozzle 12 and the position of a grinding part are always in the same position.
In order to accurately control the feeding distance during relief grinding, the displacement precision of the grinding workbench 3 of the linear motor module 2 is controlled by a grating ruler.
The transverse slide 8 in the embodiment is driven in the following manner: and the transverse sliding table 8 is in direct connection transmission with a servo motor by adopting a roller guide rail and a ball screw pair.
The grinding spindle 5 is connected with the grinding upright post 4 through a turntable, the angle of the grinding spindle 5 is adjusted by the driving of a hand wheel through the turntable, and furthermore, an angle mark is arranged on the turntable. The angle of the grinding spindle 5 can be changed by a hand wheel, if necessary.
The utility model also provides a grinding wheel 6's trimming mechanism:
a vertical slide rail 13 is arranged above the front side of the grinding upright column 4, and a dressing assembly 14 positioned above the grinding wheel 6 is arranged on the vertical slide rail 13 in a sliding manner. The trimming assembly 14 comprises a trimming motor and a trimming spindle, wherein a trimming grinding wheel is arranged on the trimming spindle, and the trimming motor and the trimming spindle are driven by a belt pulley. Preferably, the dressing grinding wheel is a high-speed diamond roller.
When dressing is needed, the servo motor drives the dressing component 14 to move downwards to a dressing position, the dressing grinding wheel is in contact connection with the grinding wheel 6, the dressing motor drives the dressing grinding wheel to rotate, the grinding wheel 6 is dressed, and the dressing component 14 resets after dressing is finished.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. A screw tap thread relief grinding machine driven by a linear motor comprises a grinding machine base (1) and is characterized in that a linear motor module (2) is arranged on the rear side of the grinding machine base (1), the linear motor module (2) comprises a grinding workbench (3) which slides longitudinally, a grinding upright post (4) is arranged on the grinding workbench (3), and a grinding wheel (6) driven by a grinding spindle (5) is arranged on the front side of the grinding upright post (4); the front side of grinding machine base (1) is provided with transverse slide rail (7), it is equipped with transverse sliding table (8) to slide on transverse slide rail (7), be provided with anchor clamps workstation (9) on transverse sliding table (8), be provided with headstock (10) and tailstock (11) on anchor clamps workstation (9) relatively, be provided with drive work piece pivoted work piece main shaft in headstock (10), it is top with the tailstock top to be provided with common centre gripping work piece on work piece main shaft and tailstock (11) respectively, but be provided with lateral shifting's nozzle (12) on tailstock (11).
2. A linear motor driven screw tap thread relief grinding machine according to claim 1, characterized in that the grinding table (3) of the linear motor module (2) is controlled in displacement accuracy by a grating ruler.
3. A linear motor driven tap thread relief grinding machine according to claim 1, characterized in that a vertical slide rail (13) is provided above the front side of said grinding column (4), said vertical slide rail (13) having a dressing assembly (14) slidably mounted thereon above the grinding wheel (6).
4. A linear motor driven screw tap thread relief grinding machine according to claim 3, wherein said dressing assembly (14) comprises a dressing motor and a dressing spindle, said dressing spindle having a dressing grinding wheel mounted thereon, said dressing motor being pulley driven with said dressing spindle.
5. A linear motor driven tap thread relief grinding machine according to claim 1, wherein said nozzle (12) comprises an upper nozzle plate and a lower nozzle plate, said upper nozzle plate and said lower nozzle plate being located on the upper and lower sides of the workpiece, respectively.
6. A linear motor driven tap thread relief grinding machine according to claim 1, characterized in that a nozzle cylinder (15) is fixed to said tailstock (11), a mounting plate (16) is fixed to a piston rod of said nozzle cylinder (15), said nozzle (12) is fixed to said mounting plate (16), and said nozzle cylinder (15) drives said nozzle (12) to move synchronously with the grinding site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222705776.6U CN218080818U (en) | 2022-10-13 | 2022-10-13 | Screw tap thread relief grinding machine driven by linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222705776.6U CN218080818U (en) | 2022-10-13 | 2022-10-13 | Screw tap thread relief grinding machine driven by linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218080818U true CN218080818U (en) | 2022-12-20 |
Family
ID=84457844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222705776.6U Active CN218080818U (en) | 2022-10-13 | 2022-10-13 | Screw tap thread relief grinding machine driven by linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218080818U (en) |
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2022
- 2022-10-13 CN CN202222705776.6U patent/CN218080818U/en active Active
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