CN102463504A - Relief grinding mechanism for tap grinding machine - Google Patents
Relief grinding mechanism for tap grinding machine Download PDFInfo
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- CN102463504A CN102463504A CN2010105481828A CN201010548182A CN102463504A CN 102463504 A CN102463504 A CN 102463504A CN 2010105481828 A CN2010105481828 A CN 2010105481828A CN 201010548182 A CN201010548182 A CN 201010548182A CN 102463504 A CN102463504 A CN 102463504A
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Abstract
The invention discloses a relief grinding mechanism for a tap grinding machine, which comprises a machine body, a ball screw assembly fixedly installed at the upper part of the machine body and a connecting seat fixedly connected with the right side of the machine body; a supporting connecting seat is arranged at the left end of the ball screw assembly; the left end of the supporting connecting seat is connected with a sliding nut positioned at the lower end of a grinding wheel rack; the right end of the supporting connecting seat is connected with the ball screw assembly; a speed reducer and a servomotor are sequentially arranged on the right side of the connecting seat; the speed reducer is connected with the connecting seat; the output end of the servomotor is connected with the input end of the speed reducer; a transitional shaft is arranged at the output end of the speed reducer; the transitional shaft is positioned on the connecting seat; one end of the transitional shaft is connected with the speed reducer, and a cam is arranged at the other end of the transitional shaft; the cam is fixedly connected with the transitional shaft; a swing stem is also arranged on the connecting seat; and one end of the swing stem is fixedly connected with the ball screw assembly, and the other end of the swing stem is tightly jointed with the end surface of the cam. The invention has the advantages of simple structure, reasonable design, high relief grinding accuracy and high processing efficiency, and is convenient to adjust at the same time.
Description
Technical field
The invention belongs to the tap-grinding machine technical field, be specifically related to a kind of tap-grinding machine relief grinding mechanism.
Background technology
In order to make screw tap in the process of screw cutting, improve cut efficient; Must carry out relief grinding to the relief angle of tap tool screw thread; Relief grinding is the incision campaign of additional emery wheel and workpiece relative cycle in the tap-grinding machine grinding process, and the relief grinding mechanism that uses in this process is important mechanism parts very.The tap-grinding machine relief grinding mechanism that China produces at present has two kinds: a kind of is that driving-chain through complicacy moves back and forth grinding carriage, and another kind is the compound table swing.Because driving-chain is complicated, and swing efficient is low, so the relief grinding precision and the accuracy of manufacture of lathe all be affected, and adjusts loaded down with trivial detailsly, and working (machining) efficiency is low.
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned deficiency of the prior art a kind of tap-grinding machine relief grinding mechanism to be provided, and it is simple in structure, reasonable in design and the relief grinding precision high, and is simultaneously easy to adjust, and working (machining) efficiency is high.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of tap-grinding machine relief grinding mechanism comprises lathe bed, is fixedly mounted on the ball screw assembly, on lathe bed top and is fixedly connected on the Connection Block on lathe bed right side; Said ball screw assembly, left end is provided with the support and connection seat, and said support and connection seat left end is connected with the sliding nut that is positioned at the grinding carriage lower end, and said support and connection seat right-hand member is connected with ball screw assembly; Said Connection Block is positioned at the ball screw assembly, right-hand member; It is characterized in that: said Connection Block right side is disposed with decelerator and servomotor, and said decelerator is connected with Connection Block, and the output of said servomotor and the input of decelerator join; The output of said decelerator is provided with transition axis; Said transition axis is positioned on the Connection Block, and said transition axis one end and decelerator join, and the said transition axis other end is provided with cam; Said cam is fixedly connected with transition axis; Also be provided with fork on the said Connection Block, said fork one end is fixedly connected with ball screw assembly,, and the end face of the said fork other end and cam fits tightly.
Above-mentioned tap-grinding machine relief grinding mechanism is characterized in that: said fork is fixedly connected with ball screw assembly, through key one.
Above-mentioned tap-grinding machine relief grinding mechanism is characterized in that: said fork fits tightly through roller, stage clip and extension spring and cam face, and said roller is on fork, and said stage clip is positioned at the fork left side, and said extension spring is positioned at the fork right side.
Above-mentioned tap-grinding machine relief grinding mechanism is characterized in that: said cam is fixedly connected with transition axis through key two.
Above-mentioned tap-grinding machine relief grinding mechanism is characterized in that: also comprise the control system that start and stop state, running time and the cycle of operation of servomotor are controlled, said control system and servomotor join.
Above-mentioned tap-grinding machine relief grinding mechanism is characterized in that: also comprise be arranged on the Connection Block and be used to detect the cam original position near switch, saidly join near switch and control system.
Above-mentioned tap-grinding machine relief grinding mechanism is characterized in that: also comprise the positioning magnetic steel that is arranged on the cam.
Above-mentioned tap-grinding machine relief grinding mechanism is characterized in that: said cam is an edge cam.
The present invention compared with prior art has the following advantages:
1, simple in structure, reasonable in design, this relief grinding mechanism Connection Block right side is disposed with decelerator and servomotor, and the output of servomotor and the input of decelerator join; The output of decelerator is provided with transition axis; Transition axis one end and decelerator join, and the transition axis other end is provided with cam, also are provided with fork on the Connection Block; Fork one end is fixedly connected with ball screw assembly,, and the end face of the fork other end and cam fits tightly.
2, the relief grinding precision is high, and the feeding of this relief grinding mechanism relief grinding amount makes that through servomotor control tap-grinding machine frame for movement is simple, and maintenance capacity is little, and control accuracy is high, and the relief grinding frequency is high, is quick on the draw relief grinding tool setting and easy to adjust simultaneously.
3, can satisfy the needs of high speed relief grinding, can effectively improve screw tap relief grinding working (machining) efficiency, be particularly useful for the relief grinding of spiral fluted tap.
Through accompanying drawing and embodiment, the present invention is done further detailed description below.
Description of drawings
Fig. 1 is an overall structure sketch map of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is a schematic block circuit diagram of the present invention.
Description of reference numerals:
The 1-grinding carriage; The 2-sliding nut; 3-support and connection seat;
The 4-ball screw assembly; The 5-lathe bed; The 6-Connection Block;
The 7-positioning magnetic steel; 8-is near switch; The 9-stage clip;
The 10-fork; The 11-roller; The 12-cam;
13-key two; The 14-transition axis; The 15-decelerator;
The 16-servomotor; The 17-extension spring; 18-controls system.
The specific embodiment
A kind of tap-grinding machine relief grinding mechanism as illustrated in fig. 1 and 2 comprises lathe bed 5, is fixedly mounted on the ball screw assembly, 4 on lathe bed 5 tops and is fixedly connected on the Connection Block 6 on lathe bed 5 right sides that said ball screw assembly, 4 left ends are provided with support and connection seat 3; Said support and connection seat 3 left ends are connected with the sliding nut 2 that is positioned at grinding carriage 1 lower end; Said support and connection seat 3 right-hand members are connected with ball screw assembly, 4, and said Connection Block is positioned at ball screw assembly, 4 right-hand members, and said Connection Block 6 right sides are disposed with decelerator 15 and servomotor 16; Said decelerator 15 is connected with Connection Block 6; The input of the output of said servomotor 16 and decelerator 15 joins, and the output of said decelerator 15 is provided with transition axis 14, and said transition axis 14 is positioned on the Connection Block 6; Said transition axis 14 1 ends and decelerator 15 join; Said transition axis 14 other ends are provided with cam 12, and said cam 12 is fixedly connected with transition axis 14, also are provided with fork 10 on the said Connection Block 6; Said fork 10 1 ends are fixedly connected with ball screw assembly, 4, and the end face of said fork 10 other ends and cam 12 fits tightly.
Said fork 10 is fixedly connected with ball screw assembly, 4 through key one.
As shown in Figure 2, said fork 10 fits tightly with cam 12 end faces through roller 11, stage clip 9 and extension spring 17, and said roller 11 is positioned on the fork 10, and said stage clip 9 is positioned at fork 10 left sides, and said extension spring 17 is positioned at fork 10 right sides.
As shown in Figure 2, said cam 12 is fixedly connected with transition axis 14 through key 2 13.
As shown in Figure 3, the present invention also comprises the control system 18 that start and stop state, running time and the cycle of operation of servomotor 16 are controlled, and said control system 18 and servomotor 16 join.
Shown in Fig. 2 and 3, the present invention also comprise be arranged on the Connection Block 6 and be used to detect cam 12 original positions near switch 8, saidly join with control system 18 near switch 8.
As shown in Figure 1, the present invention also comprises the positioning magnetic steel 7 that is arranged on the cam 12.
Said cam 12 is an edge cam.
Among the present invention, ball screw assembly, 4 is a great lead ball lead screw pair.
The course of work of the present invention is: the feeding of grinding carriage 1 is by grinding carriage feed servo motor-driven, and after grinding carriage 1 feeding finished, because the auto-lock function of servomotor, the radial position of grinding carriage relief grinding was fixed.Before the processing; Through first tool setting and trial cut; Confirm the original position of emery wheel radial position and cam 12, the starting point of cam 12 is by detecting near switch 8, and the signal of detection is through control system 18 control servomotors 16; Make cam 12 from positioning magnetic steel 7 rotations one angle, and by control system 18 these initial positions of memory.
After servomotor 16 startings; Cam 12 rotation at a high speed; Make the fork 10 that fits tightly with it drive ball screw assembly, 4 and make the high-frequency linear reciprocating motion; Ball screw assembly, 4 will move by the front and back straight line, drives grinding carriage 1 rectilinear motion before and after the emery wheel radial position of confirming place, and then realizes the relief grinding to the screw tap thread relief angle.
In this process, the size of relief grinding amount realizes that through changing cam 12 original position of relief grinding is finely tuned by 18 pairs of servomotors 16 of control system and realized through detect the original position of cam 12 near switch 8.
In sum, the feeding of relief grinding amount of the present invention is through servomotor control, and the feeding of cooperation grinding carriage is used by servomotor control together; Make that tap-grinding machine frame for movement is simple, maintenance capacity is little, and control accuracy is high; The relief grinding frequency is high, is quick on the draw relief grinding tool setting and easy to adjust simultaneously; Can satisfy the needs of high speed relief grinding, can effectively improve screw tap relief grinding working (machining) efficiency, be particularly useful for the relief grinding of spiral fluted tap.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit changes any simple modification, change and the equivalent structure that above embodiment did according to the present invention, all still belongs in the protection domain of technical scheme of the present invention.
Claims (8)
1. tap-grinding machine relief grinding mechanism; Comprise lathe bed (5), be fixedly mounted on the ball screw assembly, (4) on lathe bed (5) top and be fixedly connected on the Connection Block (6) on lathe bed (5) right side; Said ball screw assembly, (4) left end is provided with support and connection seat (3), and said support and connection seat (3) left end is connected with the sliding nut (2) that is positioned at grinding carriage (1) lower end, and said support and connection seat (3) right-hand member is connected with ball screw assembly, (4); Said Connection Block (6) is positioned at ball screw assembly, (4) right-hand member; It is characterized in that: said Connection Block (6) right side is disposed with decelerator (15) and servomotor (16), and said decelerator (15) is connected with Connection Block (6), and the input of the output of said servomotor (16) and decelerator (15) joins; The output of said decelerator (15) is provided with transition axis (14); Said transition axis (14) is positioned on the Connection Block (6), and said transition axis (14) one ends and decelerator (15) join, and said transition axis (14) other end is provided with cam (12); Said cam (12) is fixedly connected with transition axis (14); Also be provided with fork (10) on the said Connection Block (6), said fork (10) one ends are fixedly connected with ball screw assembly, (4), and the end face of said fork (10) other end and cam (12) fits tightly.
2. according to the described tap-grinding machine relief grinding mechanism of claim 1, it is characterized in that: said fork (10) is fixedly connected with ball screw assembly, (4) through key one.
3. according to the described tap-grinding machine relief grinding mechanism of claim 1; It is characterized in that: said fork (10) fits tightly through roller (11), stage clip (9) and extension spring (17) and cam (12) end face; Said roller (11) is positioned on the fork (10); Said stage clip (9) is positioned at fork (10) left side, and said extension spring (17) is positioned at fork (10) right side.
4. according to the described tap-grinding machine relief grinding mechanism of claim 1, it is characterized in that: said cam (12) is fixedly connected with transition axis (14) through key two (13).
5. according to the described tap-grinding machine relief grinding mechanism of claim 1, it is characterized in that: also comprise the control system (18) that start and stop state, running time and the cycle of operation of servomotor (16) are controlled, said control system (18) joins with servomotor (16).
6. according to the described tap-grinding machine relief grinding mechanism of claim 1, it is characterized in that: also comprise be arranged on Connection Block (6) go up and be used to detect cam (12) original position near switch (8), saidly join with control system (18) near switch (8).
7. according to the described tap-grinding machine relief grinding mechanism of claim 1, it is characterized in that: also comprise the positioning magnetic steel (7) that is arranged on the cam (12).
8. according to the described tap-grinding machine relief grinding mechanism of claim 1, it is characterized in that: said cam (12) is an edge cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105481828A CN102463504A (en) | 2010-11-18 | 2010-11-18 | Relief grinding mechanism for tap grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105481828A CN102463504A (en) | 2010-11-18 | 2010-11-18 | Relief grinding mechanism for tap grinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN102463504A true CN102463504A (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105481828A Pending CN102463504A (en) | 2010-11-18 | 2010-11-18 | Relief grinding mechanism for tap grinding machine |
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| CN (1) | CN102463504A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909619A (en) * | 2012-11-13 | 2013-02-06 | 吴江久升纸业有限公司 | Machine for polishing internal surfaces of paper tubes |
| CN103481129A (en) * | 2013-09-30 | 2014-01-01 | 平湖市山特螺纹工具有限公司 | Swing mechanism base of screw tap relief grinding machine |
| CN103481133A (en) * | 2013-10-11 | 2014-01-01 | 平湖市山特螺纹工具有限公司 | Workpiece shaft support base of screw tap relief grinder |
| CN105415107A (en) * | 2015-12-24 | 2016-03-23 | 成都好特精密机械有限公司 | Cam relief grinding mechanism based on tap screw grinder |
| CN103481129B (en) * | 2013-09-30 | 2016-11-30 | 平湖市山特螺纹工具有限公司 | The swing mechanism base of tap shovel |
-
2010
- 2010-11-18 CN CN2010105481828A patent/CN102463504A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909619A (en) * | 2012-11-13 | 2013-02-06 | 吴江久升纸业有限公司 | Machine for polishing internal surfaces of paper tubes |
| CN103481129A (en) * | 2013-09-30 | 2014-01-01 | 平湖市山特螺纹工具有限公司 | Swing mechanism base of screw tap relief grinding machine |
| CN103481129B (en) * | 2013-09-30 | 2016-11-30 | 平湖市山特螺纹工具有限公司 | The swing mechanism base of tap shovel |
| CN103481133A (en) * | 2013-10-11 | 2014-01-01 | 平湖市山特螺纹工具有限公司 | Workpiece shaft support base of screw tap relief grinder |
| CN103481133B (en) * | 2013-10-11 | 2016-02-03 | 平湖市山特螺纹工具有限公司 | The carrier base of the workpiece spindle of tap shovel |
| CN105415107A (en) * | 2015-12-24 | 2016-03-23 | 成都好特精密机械有限公司 | Cam relief grinding mechanism based on tap screw grinder |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120523 |