CN105415107A - Cam relief grinding mechanism based on tap screw grinder - Google Patents
Cam relief grinding mechanism based on tap screw grinder Download PDFInfo
- Publication number
- CN105415107A CN105415107A CN201510983794.2A CN201510983794A CN105415107A CN 105415107 A CN105415107 A CN 105415107A CN 201510983794 A CN201510983794 A CN 201510983794A CN 105415107 A CN105415107 A CN 105415107A
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- CN
- China
- Prior art keywords
- cam
- screw
- relief grinding
- camshaft
- lever
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/18—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of taps or reamers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a cam relief grinding mechanism based on a tap screw grinder. The cam relief grinding mechanism comprises a base body, a cam transmission mechanism, a lever and a relief grinding actuating mechanism, wherein the cam transmission mechanism is mounted on one side of the base body; the relief grinding actuating mechanism is mounted on the other side of the base body; the cam transmission mechanism and the relief grinding actuating mechanism are in transmission connection through the lever; the cam transmission mechanism comprises a camshaft seat, a camshaft and a cam; the relief grinding actuating mechanism comprises a screw rod support, a multi-head nut, a multi-head screw rod and a main feeding screw rod; one end the lever is mounted at the neck part of the multi-head screw rod, and the other end of the lever is pressed on the working surface of the cam; the middle part of the lever is connected with one end of a spring; the other end of the spring is connected with the base body; and the spring enables the end part of the lever to be always tightly pressed on the working surface of the cam. The cam relief grinding mechanism has the advantages that torque is converted into thrust through the cam transmission mechanism and the relief grinding actuating mechanism, and then the thrust is converted into relief grinding motion of a grinding head, so that the relief grinding feeding stability is high, and the quality of the workpiece surface is high.
Description
Technical field
The present invention relates to machining equipment technical field, particularly a kind of cam relief grinding mechanism based on screw-tap threaded grinding machine.
Background technology
At present, manufacturing and designing screw tap multi-line screw grinder relief grinding mode has multiple, and difficult point is that the relief grinding amount of feeding is little, relief grinding feeding stability, relief grinding feeding and the calibration of workpiece and the compensation synchronous interaction of pitch.Have the impact that processing work causes: relief grinding amount is uneven, the surface quality of workpiece is poor.Therefore, the relief grinding how realizing high-quality is a Technology Difficulties.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, the cam relief grinding mechanism based on screw-tap threaded grinding machine that a kind of relief grinding feeding stability is high and workpiece surface quality is high is provided.
Object of the present invention is achieved through the following technical solutions: a kind of cam relief grinding mechanism based on screw-tap threaded grinding machine, it comprises matrix, cam drive, lever and relief grinding executing agency, described cam drive is arranged on the side of matrix, described relief grinding executing agency is arranged on the opposite side of matrix, cam drive is connected by lever drive with relief grinding executing agency, described cam drive comprises camshaft holder, camshaft, and cam, camshaft holder is fixed on matrix, cam axle is arranged on camshaft holder, camshaft holder is stretched out in one end of camshaft, and the neck of camshaft is provided with camshaft belt wheel, camshaft belt wheel is connected with the first servo motor transmission by conveyer belt, cam is fixedly mounted on the end of camshaft by locking nut, described relief grinding executing agency comprises leading screw bearing, bull nut, multiple lead screw and main feed screw, leading screw bearing is fixed on matrix, bull nut is fixed in leading screw bearing, the male thread portion of multiple lead screw and the female thread portion of bull nut are connected, sealed bead bearing is provided with between the polished rod part of multiple lead screw and multiple-threaded interior unthreaded hole part, the two ends of multiple lead screw are separately installed with combination bearing, the outer ring of two combination bearings respectively with multiple lead screw interference fit, the inner ring of two combination bearings is set with main feed screw, one end of main feed screw is relief grinding action output, the other end is fixed with screw pulley, screw pulley is connected with the second servo motor transmission by conveyer belt, on main feed screw, also cover has spacer ring, an end face top of spacer ring is pressed on the shaft shoulder end face of main feed screw, another end face top is pressed on the end face of combination bearing, one end of lever is fixedly mounted on the neck of the multiple lead screw near screw pulley side, the other end is pressed on the working face of cam, the middle part of lever is connected with one end of spring, and the other end of spring is connected with matrix, and spring makes the end of lever be pressed on all the time on the working face of cam.
Described combination bearing is needle roller and thrust ball combination bearing.
Described lever also studs with wear-resistant block near the end of cam one end, and wear-resistant block contacts with the working face of cam.
Described cam is connected with the mode adopting cone match, end face to lock between camshaft.
The present invention has the following advantages:
1, cam drive and relief grinding executing agency are passed through lever transmission moment of torsion by the present invention, again by relief grinding executing agency internal structure, change torque axis into thrust, finally by combination bearing, thrust is converted to the relief grinding action of grinding machine head, the amount of feeding stability of relief grinding action is high, and relief grinding surface quality is high.
2, drive camshaft to rotate by servomotor, realize cam rotating speed controlled, operating personnel can according to real work situation, and adjustment relief grinding speed, makes Relieving manufacturing ensure product quality, can carry out highly-efficient processing again.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is A-A sectional structure schematic diagram in Fig. 1;
In figure: 1-camshaft holder, 2-leading screw bearing, 3-camshaft, 4-camshaft belt wheel, 5-cam, 6-locking nut, 7-lever, 8-spring, 9-bull nut, 10-sealed bead bearing, 11-multiple lead screw, 12-combination bearing, 13-screw pulley, 14-spacer ring, 15-wear-resistant block, the main feed screw of 16-.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described, but protection scope of the present invention is not limited to the following stated.
As depicted in figs. 1 and 2, a kind of cam relief grinding mechanism based on screw-tap threaded grinding machine, it comprises matrix, cam drive, lever 7 and relief grinding executing agency, described cam drive is arranged on the side of matrix, described relief grinding executing agency is arranged on the opposite side of matrix, cam drive and relief grinding executing agency are in transmission connection by lever 7, described cam drive comprises camshaft holder 1, camshaft 3, with cam 5, camshaft holder 1 is fixed on matrix, camshaft 3 is rotatably installed on camshaft holder 1, camshaft holder 1 is stretched out in one end of camshaft 3, and the neck of camshaft 3 is provided with camshaft belt wheel 4, camshaft belt wheel 4 is connected with the first servo motor transmission by conveyer belt, cam 5 is fixedly mounted on the end of camshaft 3 by locking nut 6, described relief grinding executing agency comprises leading screw bearing 2, bull nut 9, multiple lead screw 11 and main feed screw 16, leading screw bearing 2 is fixed on matrix, bull nut 9 is fixed in leading screw bearing 2, the male thread portion of multiple lead screw 11 and the female thread portion of bull nut 9 are connected, sealed bead bearing 10 is provided with between the polished rod part of multiple lead screw 11 and the interior unthreaded hole part of multiple thread 9, the two ends of multiple lead screw 11 are separately installed with combination bearing 12, the outer ring of combination bearing 12 respectively with multiple lead screw 11 interference fit, the inner ring of two combination bearings 12 is set with main feed screw 16, one end of main feed screw 16 is relief grinding action output, the other end is fixed with screw pulley 13, screw pulley 13 is connected with the second servo motor transmission by conveyer belt, on main feed screw 16, also cover has spacer ring 14, an end face top of spacer ring 14 is pressed on the shaft shoulder end face of main feed screw 16, another end face top is pressed on the end face of combination bearing 12, one end of lever 7 is fixedly mounted on the neck of the multiple lead screw 11 near screw pulley 13 side, the other end is pressed on the working face of cam 5, the middle part of lever 7 is connected with one end of spring 8, the other end of spring 8 is connected with matrix, and spring 8 makes the end of lever 7 be pressed on all the time on the working face of cam 5.
As preferably, described combination bearing 12 is needle roller and thrust ball combination bearing.
As preferably, described lever 7 also studs with wear-resistant block 15 near the end of cam 5 one end, and wear-resistant block 15 contacts with the working face of cam 5.
As preferably, described cam 5 is connected with the mode adopting cone match, end face to lock between camshaft 3.
The course of work of the present invention is as follows: the first servomotor is with moving cam 5 to rotate by camshaft belt wheel 4, lever 7 is pressed on the working face of cam 5 by spring 8 all the time, when cam 5 rotates, lever 7 is driven to swing, lever 7 drives multiple lead screw 11 to carry out back rotation, thus make multiple lead screw 11 there is axial back and forth movement relative to bull nut 9, multiple lead screw 11 by with the screwing of fixing bull nut 9, torque axis will be screwed and change thrust into, thrust is transmitted by combination bearing 12, thrust is converted to the relief grinding action of the grinding machine head on main feed screw 16 relief grinding action output, the control of relief grinding amount is controlled by the starting point adjusting cam 5.
Claims (4)
1. the cam relief grinding mechanism based on screw-tap threaded grinding machine, it is characterized in that: it comprises matrix, cam drive, lever (7) and relief grinding executing agency, described cam drive is arranged on the side of matrix, described relief grinding executing agency is arranged on the opposite side of matrix, cam drive and relief grinding executing agency are in transmission connection by lever (7)
Described cam drive comprises camshaft holder (1), camshaft (3) and cam (5), camshaft holder (1) is fixed on matrix, camshaft (3) is rotatably installed on camshaft holder (1), camshaft holder (1) is stretched out in one end of camshaft (3), and the neck of camshaft (3) is provided with camshaft belt wheel (4), camshaft belt wheel (4) is connected with the first servo motor transmission by conveyer belt, and cam (5) is fixedly mounted on the end of camshaft (3) by locking nut (6);
Described relief grinding executing agency comprises leading screw bearing (2), bull nut (9), multiple lead screw (11) and main feed screw (16), leading screw bearing (2) is fixed on matrix, bull nut (9) is fixed in leading screw bearing (2), the male thread portion of multiple lead screw (11) and the female thread portion of bull nut (9) are connected, sealed bead bearing (10) is provided with between the polished rod part of multiple lead screw (11) and the interior unthreaded hole part of multiple thread (9), the two ends of multiple lead screw (11) are separately installed with combination bearing (12), the outer ring of two combination bearings (12) respectively with multiple lead screw (11) interference fit, the inner ring of two combination bearings (12) is set with main feed screw (16), one end of main feed screw (16) is relief grinding action output, the other end is fixed with screw pulley (13), screw pulley (13) is connected with the second servo motor transmission by conveyer belt, on main feed screw (16), also cover has spacer ring (14), an end face top of spacer ring (14) is pressed on the shaft shoulder end face of main feed screw (16), another end face top is pressed on the end face of combination bearing (12),
One end of lever (7) is fixedly mounted on the neck of the multiple lead screw (11) near screw pulley (13) side, the other end is pressed on the working face of cam (5), the middle part of lever (7) is connected with one end of spring (8), the other end of spring (8) is connected with matrix, and spring (8) makes the end of lever (7) be pressed on all the time on the working face of cam (5).
2. a kind of cam relief grinding mechanism based on screw-tap threaded grinding machine according to claim 1, is characterized in that: described combination bearing (12) is needle roller and thrust ball combination bearing.
3. a kind of cam relief grinding mechanism based on screw-tap threaded grinding machine according to claim 1, it is characterized in that: described lever (7) also studs with wear-resistant block (15) near the end of cam (5) one end, and wear-resistant block (15) contacts with the working face of cam (5).
4. a kind of cam relief grinding mechanism based on screw-tap threaded grinding machine according to claim 1 or 3, is characterized in that: described cam (5) is connected with the mode adopting cone match, end face to lock between camshaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983794.2A CN105415107B (en) | 2015-12-24 | 2015-12-24 | A kind of cam relief grinding mechanism based on screw-tap threaded grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983794.2A CN105415107B (en) | 2015-12-24 | 2015-12-24 | A kind of cam relief grinding mechanism based on screw-tap threaded grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105415107A true CN105415107A (en) | 2016-03-23 |
| CN105415107B CN105415107B (en) | 2017-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510983794.2A Active CN105415107B (en) | 2015-12-24 | 2015-12-24 | A kind of cam relief grinding mechanism based on screw-tap threaded grinding machine |
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| Country | Link |
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| CN (1) | CN105415107B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877705A (en) * | 2019-04-04 | 2019-06-14 | 吉安职业技术学院 | Conjugate cam error-compensating apparatus based on follow grinding |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0113993B2 (en) * | 1980-09-23 | 1989-03-09 | Buderus Ag | |
| JP2001138190A (en) * | 1999-11-10 | 2001-05-22 | Sumitomo Heavy Ind Ltd | Flat surface grinding machine |
| CN201089096Y (en) * | 2007-06-13 | 2008-07-23 | 陕西汉江机床有限公司 | Backing off device of tap-grinding machine |
| CN102463504A (en) * | 2010-11-18 | 2012-05-23 | 西北机器有限公司 | Relief grinding mechanism for tap grinding machine |
| CN204321756U (en) * | 2014-12-05 | 2015-05-13 | 西北机器有限公司 | A kind of tap-grinding machine relief grinding mechanism |
| CN205218696U (en) * | 2015-12-24 | 2016-05-11 | 成都好特精密机械有限公司 | Cam relief grinding mechanism based on screw tap grinding machine |
-
2015
- 2015-12-24 CN CN201510983794.2A patent/CN105415107B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0113993B2 (en) * | 1980-09-23 | 1989-03-09 | Buderus Ag | |
| JP2001138190A (en) * | 1999-11-10 | 2001-05-22 | Sumitomo Heavy Ind Ltd | Flat surface grinding machine |
| CN201089096Y (en) * | 2007-06-13 | 2008-07-23 | 陕西汉江机床有限公司 | Backing off device of tap-grinding machine |
| CN102463504A (en) * | 2010-11-18 | 2012-05-23 | 西北机器有限公司 | Relief grinding mechanism for tap grinding machine |
| CN204321756U (en) * | 2014-12-05 | 2015-05-13 | 西北机器有限公司 | A kind of tap-grinding machine relief grinding mechanism |
| CN205218696U (en) * | 2015-12-24 | 2016-05-11 | 成都好特精密机械有限公司 | Cam relief grinding mechanism based on screw tap grinding machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877705A (en) * | 2019-04-04 | 2019-06-14 | 吉安职业技术学院 | Conjugate cam error-compensating apparatus based on follow grinding |
| CN109877705B (en) * | 2019-04-04 | 2024-01-02 | 吉安职业技术学院 | Conjugate cam error compensation device based on follow-up grinding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105415107B (en) | 2017-10-27 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 610512, No. 11, No. 333, main road, Xindu town, Xindu District, Sichuan, Chengdu Applicant after: CHENGDU INPUO PRECISION MACHINERY CO., LTD. Address before: 610512, No. 11, No. 333, main road, Xindu town, Xindu District, Sichuan, Chengdu Applicant before: CHENGDU HAOTE PRECISION MACHINERY CO., LTD. |
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| CB02 | Change of applicant information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Kai Inventor after: Zhang Pengfei Inventor after: Ma Erlong Inventor after: Lv Shoutao Inventor after: Luo Zhengwei Inventor after: Zhang Xiaogang Inventor before: Li Kai Inventor before: Zhang Pengfei Inventor before: Ma Erlong Inventor before: Lv Shoutao Inventor before: Luo Wei Inventor before: Zhang Xiaogang |
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| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211206 Address after: No. 199, South Section 1, ring road, Sanhe street, Xindu District, Chengdu, Sichuan 610000 Patentee after: Chengdu Xincheng Tools Co.,Ltd. Address before: Building 11, No. 333, Xingong Avenue, Xindu town, Xindu District, Chengdu, Sichuan 610512 Patentee before: CHENGDU INPUO PRECISION MACHINERY Co.,Ltd. |
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| TR01 | Transfer of patent right |