CN115972001A - Workpiece and rotary table coaxial adjusting device applied to machining of precise numerical control grinding machine - Google Patents
Workpiece and rotary table coaxial adjusting device applied to machining of precise numerical control grinding machine Download PDFInfo
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- CN115972001A CN115972001A CN202211581822.4A CN202211581822A CN115972001A CN 115972001 A CN115972001 A CN 115972001A CN 202211581822 A CN202211581822 A CN 202211581822A CN 115972001 A CN115972001 A CN 115972001A
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Abstract
The invention discloses a coaxial adjusting device for a workpiece and a rotary table in the machining of a precise numerical control grinding machine. The contact digital display dial indicator and the pneumatic mechanism are arranged on the auxiliary tool, the auxiliary tool is arranged on a proper position of the lathe bed, when a workpiece is clamped, the rotary table rotates, the reading of the contact digital display dial indicator is transmitted to the computer for processing and analysis, the eccentricity condition is determined, then the computer sends an instruction to control the pneumatic mechanism to move, and the position of the workpiece is adjusted, so that the axis of the workpiece is coincident with the rotation axis of the rotary table or in an acceptable eccentricity range. By the device, the workpiece is automatically adjusted in the clamping process, and the workpiece clamping precision and efficiency are higher.
Description
Technical Field
The invention relates to the technical field of numerical control machine tools, is applied to a workpiece and rotary table coaxial adjusting device in the machining of a precise numerical control grinding machine, and belongs to the technical field of workpiece clamping and positioning of numerical control machine tools.
Background
With the continuous progress of science and technology, numerically controlled machine tools are widely used as industrial master machines in manufacturing industry, and have the advantages of high rigidity, high automation, high precision, high efficiency and the like, and are rapidly developed and popularized. The machining accuracy and machining efficiency of the machine tool mark the productivity level of a country, and are related to the comprehensive strength of a country. The machining precision of the machine tool is influenced by a plurality of factors, including thermal errors, motion errors, workpiece clamping errors and the like, wherein the workpiece clamping precision is an important prerequisite for ensuring the machining precision, and especially in machining with coaxiality requirements, such as shaft part machining, even if performance indexes of the machine tool, such as thermal balance, motion precision and the like, are excellent, when a rotary axis of a rotary table and an axis of a workpiece are eccentric, precision indexes of roundness, coaxiality and the like of the machined workpiece are seriously influenced, so that the clamping and positioning precision of the workpiece is very important for ensuring the machining precision.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the coaxial adjusting device for the workpiece and the rotary table is applied to the machining of the precise numerical control grinding machine.
The technical scheme adopted by the invention for solving the technical problem is as follows: be applied to coaxial adjusting device of work piece and revolving stage in accurate numerically control grinder processing, the device includes contact digital display amesdial, amesdial end adjust knob, amesdial middle section adjust knob, pneumatic mechanism, auxiliary fixtures, computer, work piece, anchor clamps, revolving stage, lathe bed and constitutes. The contact digital display dial indicator and the pneumatic mechanism are arranged on the auxiliary tool, the auxiliary tool is arranged on a proper position of the lathe bed, when a workpiece is clamped, the rotary table rotates, the reading of the contact digital display dial indicator is transmitted to the computer for processing and analysis, the eccentricity condition is determined, then the computer sends an instruction to control the pneumatic mechanism to move, and the position of the workpiece is adjusted, so that the axis of the workpiece is coincident with the rotation axis of the rotary table or in an acceptable eccentricity range. The contact type digital display dial indicator and the pneumatic mechanism are fixed on the auxiliary tool; the dial indicator tail end adjusting knob and the middle section adjusting knob are used for adjusting the position of the dial indicator; the auxiliary tool is arranged on the lathe bed; the workpiece is placed on the rotary table; the fixture on the rotary table is used for clamping and fixing the workpiece; the rotary table is arranged on the lathe bed; the contact type digital display dial indicator is connected with the computer; the computer pneumatic mechanism is connected.
Compared with the prior art, the coaxial adjusting device of the workpiece and the rotary table applied to the machining of the precise numerical control grinding machine has the following advantages:
1. by the aid of the device, the position of the workpiece can be automatically adjusted in the clamping process of the workpiece, and manpower is reduced.
2. The eccentric condition is detected through the contact type digital display micrometer, and the result is transmitted to the computer for analysis and calculation, so that the amount of movement of the pneumatic mechanism is determined, the moving distance of the workpiece is adjusted, the workpiece clamping precision is higher, and the efficiency is higher.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of an embodiment of the present invention.
FIG. 2 is a key part of the present invention
Fig. 3 is a control flow diagram of the present invention.
In the figure 1, 1-contact digital display dial indicator, 2-dial indicator tail end adjusting knob, 3-dial indicator middle section adjusting knob, 4-pneumatic mechanism, 5-auxiliary tool, 6-computer, 7-workpiece, 8-clamp, 9-turntable and 10-lathe bed.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
The technical scheme adopted by the invention is applied to a coaxial adjusting device of a workpiece and a rotary table in the machining of a precise numerical control grinding machine, and the coaxial adjusting device comprises a contact type digital display dial indicator 1, a dial indicator tail end adjusting knob 2, a dial indicator middle section adjusting knob 3, a pneumatic mechanism 4, an auxiliary tool 5, a computer 6, a workpiece 7, a clamp 8, a rotary table 9 and a machine body 10. According to the invention, the eccentric amount of the axis of the workpiece 7 and the axis of the rotary table 9 is detected through the contact type digital display dial indicator 1, the work of the pneumatic mechanism 4 is controlled through calculation and analysis of the computer 6, the position of the workpiece 7 is adjusted, the coaxial adjustment of the axis of the workpiece 7 and the axis of the rotary table 9 is realized, the automation of clamping and positioning of the workpiece 7 is realized, and the clamping and positioning precision is improved.
The contact type digital display dial indicator 1 and the pneumatic mechanism 4 are fixed on the auxiliary tool 5; the dial indicator tail end adjusting knob 2 and the dial indicator middle section adjusting knob 3 are used for adjusting the position of the dial indicator; the auxiliary tool 5 is arranged on the lathe bed 10; the workpiece 7 is placed on the turntable 9; the clamp 8 on the rotary table 9 is used for clamping and fixing the workpiece 7; the rotary table 9 is arranged on the lathe bed 10; the contact type digital display dial indicator 1 is connected with the computer 6; the computer 6 is connected to the pneumatic mechanism 4.
The auxiliary tool 5 is arranged on a proper position of the lathe bed 10, when a workpiece 7 is clamped, the rotary table rotates, when the axis of the workpiece is not coincident with the axis of the rotary table, the reading of the dial indicator can be displayed periodically and circularly, the reason is that the axis of the workpiece is eccentric with the axis of the rotary table, the reading is transmitted to a computer for processing and analysis, the maximum value and the minimum value exist in data, the eccentricity can be calculated through the two values, the eccentricity is the difference of subtracting the minimum value from the maximum value, and the result is divided by 2. After the eccentric condition is determined, the computer sends out an instruction to control the pneumatic mechanism to move and adjust the position of the workpiece.
The technical scheme of the invention is clearly and specifically explained by combining the attached drawings of the invention.
Referring to fig. 1, the device for adjusting the coaxiality of the workpiece and the rotary table in the machining of the precision numerically-controlled grinding machine comprises: the device comprises a contact type digital display dial indicator 1, a dial indicator tail end adjusting knob 2, a dial indicator middle section adjusting knob 3, a pneumatic mechanism 4, an auxiliary tool 5, a computer 6, a workpiece 7, a clamp 8, a rotary table 9 and a lathe bed 10.
Referring to fig. 2, the contact type digital display dial indicator 1 and the pneumatic mechanism 4 are installed on the auxiliary tool 5, and the dial indicator tail end adjusting knob 2 and the middle section knob 3 are used for adjusting the position of the dial indicator 1.
Integrally mounting the key components shown in FIG. 2 to a proper position of the lathe bed 10, and connecting the dial indicator 1 with the computer 6 so that the computer 6 can obtain the number indicated by the dial indicator 1, see FIG. 1; the computer 6 is connected with the pneumatic mechanism 4 so that the computer 6 controls the operation of the pneumatic mechanism 4.
Referring to the control flow of fig. 3, in the process of coaxially adjusting the workpiece and the turntable, the workpiece 7 is placed on the turntable 9, the fixture 8 applies a certain pre-tightening force to the workpiece 7, the dial indicator tail end adjusting knob 2 and the middle section knob 3 are used for adjusting the position of the dial indicator 1, so that the probe is in contact with the workpiece, during adjustment, the turntable 9 rotates, when the axis of the workpiece is not coincident with the axis of the turntable, the reading of the dial indicator 1 can be periodically and circularly displayed, because the axis of the workpiece is eccentric to the axis of the turntable, the reading is transmitted to the computer 6 for processing and analysis, the maximum value and the minimum value exist in the data, the eccentric value can be calculated through the two values, the eccentric value is the difference of subtracting the minimum value from the maximum value, and the result is divided by 2. After the eccentric condition is determined, the computer 6 sends an instruction to control the pneumatic mechanism 4 to move, the position of the workpiece 7 is adjusted, the reciprocating is carried out in such a way that the axis of the workpiece is overlapped with the rotary axis of the rotary table or within an acceptable eccentric range, finally, the workpiece 7 is completely constrained by the clamp 8, the position of the dial indicator 1 is adjusted, the coaxial adjusting device does not interfere with the workpiece processing, and therefore, the process of coaxially adjusting the axis of the workpiece and the rotary axis of the rotary table is completed.
Claims (3)
1. The coaxial adjusting device of the workpiece and the rotary table is applied to the machining of the precise numerical control grinding machine and is characterized by comprising a contact type digital display dial indicator, a dial indicator tail end adjusting knob, a dial indicator middle section adjusting knob, a pneumatic mechanism, an auxiliary tool, a computer, a workpiece, a clamp, a rotary table and a machine body; the contact type digital display dial indicator and the pneumatic mechanism are fixed on the auxiliary tool; the dial indicator tail end adjusting knob and the middle section adjusting knob are used for adjusting the position of the dial indicator; the auxiliary tool is arranged on the lathe bed; the workpiece is placed on the rotary table; the fixture on the rotary table is used for clamping and fixing the workpiece; the rotary table is arranged on the lathe bed; the contact type digital display dial indicator is connected with the computer; the computer pneumatic mechanism is connected; the contact digital display dial indicator and the pneumatic mechanism are arranged on the auxiliary tool, the auxiliary tool is arranged on a proper position of the lathe bed, when a workpiece is clamped, the rotary table rotates, the reading of the contact digital display dial indicator is transmitted to the computer for processing and analysis, the eccentricity condition is determined, then the computer sends an instruction to control the pneumatic mechanism to move, and the position of the workpiece is adjusted, so that the axis of the workpiece is coincident with the rotation axis of the rotary table or in an acceptable eccentricity range.
2. The device for coaxially adjusting the workpiece and the turntable in the machining of the precise numerical control grinding machine according to claim 1, wherein the turntable rotates during workpiece clamping, and when the axis of the workpiece is not coincident with the axis of the turntable, the reading of the dial indicator can be periodically and circularly displayed because the axis of the workpiece is eccentric to the axis of the turntable, the reading is transmitted to a computer for processing and analysis, the maximum value and the minimum value exist in data, and the eccentric amount is calculated through the two values.
3. The device for coaxially adjusting the workpiece and the turntable in the machining of the precise numerical control grinding machine as claimed in claim 2, wherein the eccentricity is the difference of the maximum value minus the minimum value, and the result is divided by 2; after the eccentricity is determined, the computer sends out an instruction to control the pneumatic mechanism to move and adjust the position of the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211581822.4A CN115972001A (en) | 2022-12-08 | 2022-12-08 | Workpiece and rotary table coaxial adjusting device applied to machining of precise numerical control grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211581822.4A CN115972001A (en) | 2022-12-08 | 2022-12-08 | Workpiece and rotary table coaxial adjusting device applied to machining of precise numerical control grinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN115972001A true CN115972001A (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211581822.4A Pending CN115972001A (en) | 2022-12-08 | 2022-12-08 | Workpiece and rotary table coaxial adjusting device applied to machining of precise numerical control grinding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118237939A (en) * | 2024-05-30 | 2024-06-25 | 博莱阀门（常州）有限公司 | Cutting device for valve processing |
-
2022
- 2022-12-08 CN CN202211581822.4A patent/CN115972001A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118237939A (en) * | 2024-05-30 | 2024-06-25 | 博莱阀门（常州）有限公司 | Cutting device for valve processing |
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