CN201907032U - Relief grinding mechanism for tap grinding machine - Google Patents
Relief grinding mechanism for tap grinding machine Download PDFInfo
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- CN201907032U CN201907032U CN201020611743XU CN201020611743U CN201907032U CN 201907032 U CN201907032 U CN 201907032U CN 201020611743X U CN201020611743X U CN 201020611743XU CN 201020611743 U CN201020611743 U CN 201020611743U CN 201907032 U CN201907032 U CN 201907032U
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- cam
- ball screw
- tap
- screw assembly
- fork
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Abstract
The utility model discloses a relief grinding mechanism for a tap grinding machine, which comprises a machine tool body, a ball screw assembly and a connecting seat, wherein, the ball screw assembly is fixedly installed at the upper part of the machine tool body; the connecting seat is fixedly connected with the right side of the machine tool 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 relief grinding mechanism 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 utility model belongs to the tap-grinding machine technical field, is 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 machining 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 by complexity moves back and forth grinding carriage, and another kind is the compound table swing.Because the driving-chain complexity, 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.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of tap-grinding machine relief grinding mechanism at above-mentioned deficiency of the prior art, and its simple in structure, reasonable in design and relief grinding precision height is simultaneously easy to adjust, the working (machining) efficiency height.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of tap-grinding machine relief grinding mechanism, comprise lathe bed, be fixedly mounted on the ball screw assembly, and the Connection Block that is fixedly connected on the lathe bed right side on lathe bed top, described ball screw assembly, left end is provided with the support and connection seat, described support and connection seat left end is connected with the sliding nut that is positioned at the grinding carriage lower end, described support and connection seat right-hand member is connected with ball screw assembly,, described Connection Block is positioned at the ball screw assembly, right-hand member, it is characterized in that: described Connection Block right side is disposed with decelerator and servomotor, described decelerator is connected with Connection Block, the output of described servomotor and the input of decelerator join, the output of described decelerator is provided with transition axis, described transition axis is positioned on the Connection Block, described transition axis one end and decelerator join, the described transition axis other end is provided with cam, described cam is fixedlyed connected with transition axis, also be provided with fork on the described Connection Block, described fork one end is fixedlyed connected with ball screw assembly,, and the end face of the described fork other end and cam fits tightly.
Above-mentioned tap-grinding machine relief grinding mechanism is characterized in that: described fork is fixedlyed connected with ball screw assembly, by key one.
Above-mentioned tap-grinding machine relief grinding mechanism is characterized in that: described fork fits tightly by roller, stage clip and extension spring and cam face, and described roller is on fork, and described stage clip is positioned at the fork left side, and described extension spring is positioned at the fork right side.
Above-mentioned tap-grinding machine relief grinding mechanism is characterized in that: described cam is fixedlyed connected with transition axis by 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, described 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, describedly 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: described cam is an edge cam.
The utility model 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, 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 fixedlyed connected with ball screw assembly,, and the end face of the fork other end and cam fits tightly.
2, relief grinding precision height, the feeding of this relief grinding mechanism relief grinding amount is controlled by servomotor, makes that tap-grinding machine frame for movement is simple, and maintenance capacity is little, and the control accuracy height, and relief grinding frequency height is quick on the draw simultaneously, relief grinding tool setting and easy to adjust.
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.
Below by drawings and Examples, the utility model is described in further detail.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is a schematic block circuit diagram of the present utility model.
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; The 18-control system.
The specific embodiment
A kind of tap-grinding machine relief grinding mechanism as illustrated in fig. 1 and 2, comprise lathe bed 5, be fixedly mounted on the ball screw assembly, 4 and the Connection Block 6 that is fixedly connected on lathe bed 5 right sides on lathe bed 5 tops, described ball screw assembly, 4 left ends are provided with support and connection seat 3, described support and connection seat 3 left ends are connected with the sliding nut 2 that is positioned at grinding carriage 1 lower end, described support and connection seat 3 right-hand members are connected with ball screw assembly, 4, described Connection Block is positioned at ball screw assembly, 4 right-hand members, described Connection Block 6 right sides are disposed with decelerator 15 and servomotor 16, described decelerator 15 is connected with Connection Block 6, the input of the output of described servomotor 16 and decelerator 15 joins, the output of described decelerator 15 is provided with transition axis 14, described transition axis 14 is positioned on the Connection Block 6, described transition axis 14 1 ends and decelerator 15 join, described transition axis 14 other ends are provided with cam 12, described cam 12 is fixedlyed connected with transition axis 14, also be provided with fork 10 on the described Connection Block 6, described fork 10 1 ends are fixedlyed connected with ball screw assembly, 4, and the end face of described fork 10 other ends and cam 12 fits tightly.
Described fork 10 is fixedlyed connected with ball screw assembly, 4 by key one.
As shown in Figure 2, described fork 10 fits tightly with cam 12 end faces by roller 11, stage clip 9 and extension spring 17, and described roller 11 is positioned on the fork 10, and described stage clip 9 is positioned at fork 10 left sides, and described extension spring 17 is positioned at fork 10 right sides.
As shown in Figure 2, described cam 12 is fixedlyed connected with transition axis 14 by key 2 13.
As shown in Figure 3, the utility model also comprises the control system 18 that start and stop state, running time and the cycle of operation of servomotor 16 are controlled, and described control system 18 is joined with servomotor 16.
Shown in Fig. 2 and 3, the utility model also comprise be arranged on the Connection Block 6 and be used to detect cam 12 original positions near switch 8, describedly join near switch 8 and control system 18.
As shown in Figure 1, the utility model also comprises the positioning magnetic steel 7 that is arranged on the cam 12.
Described cam 12 is an edge cam.
In the utility model, ball screw assembly, 4 is a great lead ball lead screw pair.
The course of work of the present utility model 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, by 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, the signal that detects is by 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, drive grinding carriage 1 rectilinear motion before and after the emery wheel radial position of confirming place, and then realize relief grinding the screw tap thread relief angle.
In this process, the size of relief grinding amount realizes that by changing cam 12 original position of relief grinding is finely tuned by 18 pairs of servomotors 16 of control system and realized by detect the original position of cam 12 near switch 8.
In sum, the feeding of the utility model relief grinding amount is controlled by servomotor, and cooperates the feeding of grinding carriage to be used together by servomotor control, makes that tap-grinding machine frame for movement is simple, maintenance capacity is little, and the control accuracy height, relief grinding frequency height is quick on the draw simultaneously, relief grinding tool setting and easy to adjust, 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 utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
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, described ball screw assembly, (4) left end is provided with support and connection seat (3), described support and connection seat (3) left end is connected with the sliding nut (2) that is positioned at grinding carriage (1) lower end, described support and connection seat (3) right-hand member is connected with ball screw assembly, (4), described Connection Block (6) is positioned at ball screw assembly, (4) right-hand member, it is characterized in that: described Connection Block (6) right side is disposed with decelerator (15) and servomotor (16), described decelerator (15) is connected with Connection Block (6), the input of the output of described servomotor (16) and decelerator (15) joins, the output of described decelerator (15) is provided with transition axis (14), described transition axis (14) is positioned on the Connection Block (6), described transition axis (14) one ends and decelerator (15) join, described transition axis (14) other end is provided with cam (12), described cam (12) is fixedlyed connected with transition axis (14), also be provided with fork (10) on the described Connection Block (6), described fork (10) one ends are fixedlyed connected with ball screw assembly, (4), and the end face of described 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: described fork (10) is fixedlyed connected with ball screw assembly, (4) by key one.
3. according to the described tap-grinding machine relief grinding mechanism of claim 1, it is characterized in that: described fork (10) fits tightly by roller (11), stage clip (9) and extension spring (17) and cam (12) end face, described roller (11) is positioned on the fork (10), described stage clip (9) is positioned at fork (10) left side, and described 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: described cam (12) is fixedlyed connected with transition axis (14) by 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, described control system (18) is joined 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), describedly join near switch (8) and control system (18).
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: described cam (12) is an edge cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020611743XU CN201907032U (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 |
|---|---|---|---|
| CN201020611743XU CN201907032U (en) | 2010-11-18 | 2010-11-18 | Relief grinding mechanism for tap grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201907032U true CN201907032U (en) | 2011-07-27 |
Family
ID=44299242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020611743XU Expired - Fee Related CN201907032U (en) | 2010-11-18 | 2010-11-18 | Relief grinding mechanism for tap grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201907032U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513889A (en) * | 2011-12-19 | 2012-06-27 | 上海机床厂有限公司 | U-shaft structure of grinding carriage |
| CN102862102A (en) * | 2012-08-31 | 2013-01-09 | 浙江省平湖市工具厂 | Cam device of screw tap relief grinding machine |
| CN103465117A (en) * | 2013-09-05 | 2013-12-25 | 浙江省平湖市工具厂 | Jacking block of cam rocker of tap shovel mill |
| CN103481126A (en) * | 2013-09-21 | 2014-01-01 | 浙江省平湖市工具厂 | Copper ejector head of cam of screw tap relief-grinding machine |
-
2010
- 2010-11-18 CN CN201020611743XU patent/CN201907032U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513889A (en) * | 2011-12-19 | 2012-06-27 | 上海机床厂有限公司 | U-shaft structure of grinding carriage |
| CN102862102A (en) * | 2012-08-31 | 2013-01-09 | 浙江省平湖市工具厂 | Cam device of screw tap relief grinding machine |
| CN103465117A (en) * | 2013-09-05 | 2013-12-25 | 浙江省平湖市工具厂 | Jacking block of cam rocker of tap shovel mill |
| CN103465117B (en) * | 2013-09-05 | 2016-03-09 | 浙江省平湖市工具厂 | The cam swing jacking block of tap shovel |
| CN103481126A (en) * | 2013-09-21 | 2014-01-01 | 浙江省平湖市工具厂 | Copper ejector head of cam of screw tap relief-grinding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20141118 |
|
| EXPY | Termination of patent right or utility model |