CN102419148B - Internal thread grading machine - Google Patents
Internal thread grading machine Download PDFInfo
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- CN102419148B CN102419148B CN 201110237137 CN201110237137A CN102419148B CN 102419148 B CN102419148 B CN 102419148B CN 201110237137 CN201110237137 CN 201110237137 CN 201110237137 A CN201110237137 A CN 201110237137A CN 102419148 B CN102419148 B CN 102419148B
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Abstract
The invention relates to an internal thread grading machine. In the invention, an electromagnetic directional valve connected with a compressed air inlet pipe is connected with the forward inlet and the reversal inlet of an air motor through two compressed air outlet pipes respectively, the air motor is connected with one end of a screw rod, the screw rod sequentially passes through a positioning assembly and a detection assembly, the other end of the screw rod is a free end, the upper part of the support of the positioning assembly is provided with a bearing chamber formed by a bearing end cover, the bearing chamber is internally provided with a rolling bearing, and the shaft shoulder of the screw rod is clamped on the end surface of the inner ring of the rolling bearing, sequentially passes through the inner ring of the rolling bearing and a sleeve, is then meshed with a locking nut arranged at the other end of the sleeve, and is finally connected with the air motor, the guide shafts of the detection assembly are two shafts arranged at the two sides of the screw rod, one ends of the two guide shafts are arranged on the bearing end cover respectively, and the other ends of the guide shafts pass through a spring and a catch respectively, and are finally fastened and positioned by a nut. In addition, the upper part of the support is provided with a position switch. According to internal thread grading machine, the inspection quality is ensured, and the inspection efficiency is improved.
Description
Technical field
The present invention relates to a kind of surveying instrument, particularly detect whether qualified instrument of internal thread specification and length.
Background technology
In machining, often run into the shaft-like workpiece that internal thread hole is arranged.At present, the check of this internal thread hole is still takes manual method of operating of tightening up a screw: namely the screw rod of using as cubing is turned round in the internal thread hole, whether contact with the end face of the threaded hole of axle by the visual and shaft shoulder of feeling to judge screw rod, if do not have the gap then for the qualified product of hole depth, if gapped then be the underproof product of hole depth.But this kind method of inspection has shortcoming: 1, method is more original, and efficient is low, can not satisfy the production in enormous quantities needs; 2, rely on people's sense organ judgement whether qualified, keep away error or the carelessness of unavoidable judgement, be difficult to guarantee product quality.
Summary of the invention
The object of the present invention is to provide a kind of quality inspection that can guarantee to improve the internal thread grading machine of checkability again.The present invention mainly includes and handles assembly, positioning component and detection components.The manipulation assembly mainly includes: support, solenoid directional control valve, compressed air inlet pipe, compressed air outlet pipe and air motor.Wherein, on solenoid directional control valve and air motor all is fixed on base links to each other the vertical rack, solenoid directional control valve links to each other with the compressed air inlet pipe, this solenoid directional control valve control section is with the pressurized air separated into two parts, a part is just being changeed import by a compressed air outlet pipe and air motor and is being linked to each other, another part links to each other with air motor counter-rotating import by another root compressed air outlet pipe, when just changeing, can realize by air motor the operation of tightening up a screw, the operation that when air motor reverses, can realize unloading screw.This air motor main shaft links to each other with the screw rod of using as cubing (hereinafter to be referred as a screw rod) end, and this screw rod passes positioning component and detection components successively, and the other end is free end.Above-mentioned positioning component mainly includes: support, bearing (ball) cover, rolling bearing, sleeve and set nut.Wherein, the positioning component overall fixed with vertical rack that base links to each other on, be provided with a rolling bearing in the bearing chamber of two relative bearing (ball) cover formations, the shaft shoulder of screw rod is stuck on the end face of rolling bearing inner ring, screw rod passes bearing inner race, sleeve successively and is meshed with the set nut of the sleeve other end, and the screw rod stiff end links to each other with the air motor main shaft.This positioning component can be located screw rod.Detection components mainly includes: screw rod, the axis of guide, nut, catch, spring and travel switch.Wherein, the axis of guide is two Metallic rod that are located at the screw rod both sides, and preferably the axis of their axis and screw rod is in same plane.These two axis of guide one ends are separately fixed on the bearing (ball) cover, and the other end passes the through hole on spring and the catch respectively successively, by with the nut of guide pole screw-threaded engagement catch and the fastening location of spring.Catch is provided with three through holes, and the both sides through hole has the axis of guide to pass, and intermediate throughholes has screw rod to pass.On the vertical rack that travel switch is installed in base links to each other, the contact of the trip switch is relative with catch.The trip switch also links to each other with signal (sound or light) switch, in order to the qualified information of product is passed to the operator by vision and sound sensation.
The course of work of the present invention is as follows: connect power supply and pneumatic supply, turn on the power switch.At first carry out the adjustment of travel switch position, being about to catch moves toward the travel switch direction, and go out screw rod with kind of calliper and enter minimum-depth in the product threaded hole in advance, when finding screw rod to enter in the product threaded hole minimum-depth in advance, catch is motionless, begin to adjust travel switch and begin position to alerting signal immediately, then travel switch is fixed on this position, catch is set back.During check, grasp the product cylinder, internal thread hole is aimed at the screw rod free end and send into, the program of tightening up a screw, along with just changeing detected product, moves to the air motor direction along screw rod by air motor, when the end face of product threaded hole contacts with the catch end face, product will promote catch and move to the air motor direction together.When screw rod entered the degree of depth of the internal thread hole regulation that is detected product, catch contacted travel switch immediately, sends the qualified signal of product, again circuit was switched to simultaneously to make the counter-rotating of air motor main shaft unload the screw program, and test product is withdrawed from.Spring on the axis of guide is again with the catch pushed home simultaneously.The degree of depth of internal thread hole that enters detected product when screw rod is during less than setting, catch will touch less than travel switch, there is not signal to generate, illustrate that product is defective, the signal of motor spindle counter-rotating is produced, operating personnel manually pressed and forced to unload the screw button this moment, made the motor spindle counter-rotating unload the screw program, and underproof test product is withdrawed from.
The present invention compared with prior art has following advantage:
1, testing accuracy height: adopt the control of travel switch Circuits System, directly reflect the quality state of product, need not manually judge the hidden danger of having avoided human factor to bring fully.
2, checkability height: the employing present device used time of check only is half of hand test time.Can not only satisfy requirements of large-scale production, and save cost of labor.
3, operating personnel only need send into product and take off and get final product, do not need firmly to have alleviated operator's fatigue strength greatly, and easy to operate.
Description of drawings:
Fig. 1 is the main simplified schematic diagram of looking of the present invention.
Fig. 2 is for the present invention location and check the assembly master office of looking to cut open simplified schematic diagram.
Fig. 3 is for the present invention location and check the assembly office of overlooking to cut open simplified schematic diagram.
Embodiment:
In the simplified schematic diagram of Fig. 1, Fig. 2 and internal thread grading machine shown in Figure 3, solenoid directional control valve 1 links to each other with air motor 2, and solenoid directional control valve 1 is fixed on the vertical rack 4 that base 3 links to each other, and air motor 2 is fixed on the vertical rack 5 that links to each other with base 3.Solenoid directional control valve 1 links to each other with compressed air inlet pipe 6, this solenoid directional control valve control section is with the pressurized air separated into two parts, a part is just being changeed import by a compressed air outlet pipe 7 and air motor 2 and is being linked to each other, and another part links to each other with air motor 2 counter-rotating imports by another root compressed air outlet pipe 8.This air motor main shaft links to each other with screw rod 9 one ends, and this screw rod passes positioning component 10 and detection components 11 successively, and the other end is free end.Positioning component 10 overall fixed with vertical rack 12 that base 3 links to each other on, be provided with a rolling bearing 15 in two relative bearing (ball) covers 13,14 bearing chambers that constitute, the shaft shoulder of screw rod 9 is stuck on the end face of rolling bearing 15 inner rings, screw rod 9 passes bearing inner race, sleeve 16 successively and is meshed with the set nut 17 of sleeve 16 other ends, and screw rod 9 stiff ends link to each other with air motor 2 main shafts.The axis of guide 18 is for being located at two Metallic rod of screw rod 9 both sides, and the axis of their axis and screw rod 9 is in same plane.These two axis of guide one ends are separately fixed on the bearing (ball) cover 13, and the other end passes the through hole on spring 19 and the catch 20 respectively successively, by with the nut 21 of guide pole 18 screw-threaded engagement catch 20 and spring 19 fastening location.Catch 20 is provided with three through holes, and the both sides through hole has the axis of guide 18 to pass, and intermediate throughholes has screw rod 9 to pass.Travel switch 22 is installed on the vertical rack 12 that links to each other with base 3, and the contact of the trip switch is relative with catch 20.The trip switch also links to each other with the voice signal switch.
Claims (3)
1. internal thread grading machine, it is characterized in that: on solenoid directional control valve and air motor all is fixed on base links to each other the vertical rack, the solenoid directional control valve control section that links to each other with the compressed air inlet pipe is with the pressurized air separated into two parts, a part is just being changeed import by a compressed air outlet pipe and air motor and is being linked to each other, another part links to each other with air motor counter-rotating import by another root compressed air outlet pipe, this air motor main shaft links to each other with screw rod one end, this screw rod passes positioning component and detection components successively, the screw rod other end is free end, the positioning component overall fixed with vertical rack that base links to each other on, be provided with a rolling bearing in the bearing chamber of two relative bearing (ball) cover formations, the shaft shoulder of screw rod is stuck on the end face of rolling bearing inner ring, screw rod passes bearing inner race successively, sleeve, and be meshed with the set nut of the sleeve other end, the screw rod stiff end is connected with the air motor main shaft, the axis of guide of detection components is two axles that are located at the screw rod both sides, one end of these two axis of guides is separately fixed on the bearing (ball) cover, the axis of guide other end passes the through hole on spring and the catch respectively successively, by with the fastening location of the nut of axis of guide screw-threaded engagement, catch is provided with three through holes, middle through hole has screw rod to pass through, be provided with travel switch on support top in addition, the contact of the trip switch is relative with catch.
2. internal thread grading machine according to claim 1, it is characterized in that: above-mentioned travel switch also links to each other with signaling switch.
3. internal thread grading machine according to claim 1 and 2, it is characterized in that: the axis of guide of detection components, the axis of its axis and screw rod is in same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110237137 CN102419148B (en) | 2011-08-18 | 2011-08-18 | Internal thread grading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110237137 CN102419148B (en) | 2011-08-18 | 2011-08-18 | Internal thread grading machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102419148A CN102419148A (en) | 2012-04-18 |
| CN102419148B true CN102419148B (en) | 2013-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110237137 Active CN102419148B (en) | 2011-08-18 | 2011-08-18 | Internal thread grading machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN102419148B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764919B (en) * | 2019-03-19 | 2023-10-13 | 芜湖诚拓汽车部件股份有限公司 | Engine bearing cap finished product detection system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2566222Y (en) * | 2002-08-27 | 2003-08-13 | 刘英宗 | Automatic detecting screening machine for screw |
| CN101915540A (en) * | 2010-07-16 | 2010-12-15 | 华德塑料制品有限公司 | Length detecting device |
| CN201894995U (en) * | 2010-12-10 | 2011-07-13 | 陈志长 | Equipment capable of detecting length automatically |
| CN202204448U (en) * | 2011-08-18 | 2012-04-25 | 大连大显精密轴有限公司 | Female thread selecting and identifying machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0727502A (en) * | 1993-07-09 | 1995-01-27 | Nissan Kohki Co Ltd | Inspecting device for blind screw hole depth |
-
2011
- 2011-08-18 CN CN 201110237137 patent/CN102419148B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2566222Y (en) * | 2002-08-27 | 2003-08-13 | 刘英宗 | Automatic detecting screening machine for screw |
| CN101915540A (en) * | 2010-07-16 | 2010-12-15 | 华德塑料制品有限公司 | Length detecting device |
| CN201894995U (en) * | 2010-12-10 | 2011-07-13 | 陈志长 | Equipment capable of detecting length automatically |
| CN202204448U (en) * | 2011-08-18 | 2012-04-25 | 大连大显精密轴有限公司 | Female thread selecting and identifying machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102419148A (en) | 2012-04-18 |
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Inventor after: Chen Jun Inventor after: Wang Dong Inventor after: Chen Peifa Inventor after: Dong Xiaokun Inventor before: Chen Jun Inventor before: Wang Dong Inventor before: Chen Peifa |
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Free format text: CORRECT: INVENTOR; FROM: CHEN JUN WANG DONG CHEN PEIFA TO: CHEN JUN WANG DONG CHEN PEIFA DONG XIAOKUN |
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Address after: Dalian Lushun 116052 export of Liaoning province Xingfa Road No. 88 Patentee after: DALIAN DEMAISHI PRECISION TECHNOLOGY Co.,Ltd. Address before: Dalian Lushun 116052 export of Liaoning province Xingfa Road No. 88 Patentee before: DALIAN DEMAISHI PRECISION SHAFT CO.,LTD. Address after: Dalian Lushun 116052 export of Liaoning province Xingfa Road No. 88 Patentee after: DALIAN DEMAISHI PRECISION SHAFT CO.,LTD. Address before: Dalian Lushun 116052 export of Liaoning province Xingfa Road No. 88 Patentee before: Dalian Daxian Micro-shaft Co.,Ltd. |