CN205218696U - Cam relief grinding mechanism based on screw tap grinding machine - Google Patents

Cam relief grinding mechanism based on screw tap grinding machine Download PDF

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Publication number
CN205218696U
CN205218696U CN201521090491.XU CN201521090491U CN205218696U CN 205218696 U CN205218696 U CN 205218696U CN 201521090491 U CN201521090491 U CN 201521090491U CN 205218696 U CN205218696 U CN 205218696U
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China
Prior art keywords
cam
screw
camshaft
relief grinding
lever
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Application number
CN201521090491.XU
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Chinese (zh)
Inventor
李凯
张朋飞
马二龙
吕守涛
罗伟
张晓岗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Xincheng Tools Co.,Ltd.
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Chengdu Haote Precision Machinery Co Ltd
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Priority to CN201521090491.XU priority Critical patent/CN205218696U/en
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Publication of CN205218696U publication Critical patent/CN205218696U/en
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Abstract

The utility model relates to a cam relief grinding mechanism based on screw tap grinding machine, it includes base member, cam drive mechanism, lever and relief grinding actuating mechanism, and cam drive mechanism installs in one side of base member, and relief grinding actuating mechanism installs the opposite side at the base member, and cam drive mechanism passes through the lever operation with relief grinding actuating mechanism and is connected, and cam drive mechanism includes protruding wheel axle base, camshaft and cam, relief grinding actuating mechanism includes lead screw support, bull nut, bull lead screw and main feed screw, the neck at the bull lead screw is installed to the one end of lever, and another end pressure is on the working face of cam, and the middle part of lever is connected with the one end of spring, and the other end and the base member of spring are connected, and the spring makes the tip of lever compress tightly all the time on the working face of cam. The utility model has the advantages of: realize changing the torque axis into thrust through cam drive mechanism and relief grinding actuating mechanism, convert thrust to grinding head's relief grinding action again for the relief grinding feeds the high and workpiece surface quality height of stability.

Description

A kind of cam relief grinding mechanism based on screw-tap threaded grinding machine
Technical field
The utility model 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.
Utility model content
The purpose of this utility model is the shortcoming overcoming prior art, provides 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.
The purpose of this utility model 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 utility model has the following advantages:
1, cam drive and relief grinding executing agency are passed through lever transmission moment of torsion by the utility model, 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 utility model;
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 utility model is further described, but protection domain of the present utility model 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 utility model 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).
CN201521090491.XU 2015-12-24 2015-12-24 Cam relief grinding mechanism based on screw tap grinding machine Active CN205218696U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521090491.XU CN205218696U (en) 2015-12-24 2015-12-24 Cam relief grinding mechanism based on screw tap grinding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521090491.XU CN205218696U (en) 2015-12-24 2015-12-24 Cam relief grinding mechanism based on screw tap grinding machine

Publications (1)

Publication Number Publication Date
CN205218696U true CN205218696U (en) 2016-05-11

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CN201521090491.XU Active CN205218696U (en) 2015-12-24 2015-12-24 Cam relief grinding mechanism based on screw tap grinding machine

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: Building 11, No. 333, Xingong Avenue, Xindu town, Xindu District, Chengdu, Sichuan 610512

Patentee after: CHENGDU INPUO PRECISION MACHINERY Co.,Ltd.

Address before: Building 11, No. 333, Xingong Avenue, Xindu town, Xindu District, Chengdu, Sichuan 610512

Patentee before: CHENGDU HAOTE PRECISION MACHINERY Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210624

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.