CN202428209U - High-precision blank work piece positioning mechanism - Google Patents
High-precision blank work piece positioning mechanism Download PDFInfo
- Publication number
- CN202428209U CN202428209U CN2011205675043U CN201120567504U CN202428209U CN 202428209 U CN202428209 U CN 202428209U CN 2011205675043 U CN2011205675043 U CN 2011205675043U CN 201120567504 U CN201120567504 U CN 201120567504U CN 202428209 U CN202428209 U CN 202428209U
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Abstract
The utility model provides a high-precision blank work piece positioning mechanism and belongs to the technical field of metal machining. The technical scheme is that: the high-precision blank work piece positioning mechanism is composed of two positioning pins, two positioning pin seats and a gas detection unit, wherein the two positioning pin seats are fixed on a clamp body and the top faces of the positioning pin seats are stuck with a positioning face of a blank work piece; vertical holes which are matched with the positioning pins are formed on the positioning pin seats; air inlets which are communicated with a compressed air pipe of the gas detection unit are arranged at the upper parts of hole walls of the vertical holes, and air exhausting holes are formed at the lower parts of the hole walls; the two positioning pins are respectively a circular pin and a rhombus-shaped pin and are respectively located in the vertical holes of the two positioning pin seats and correspond to two positioning holes on the blank work piece; an upper detection hole and a lower detection hole which are respectively located above and below the air inlets of the positioning pin seats and are communicated with air holes on the bottom faces of the positioning pins are formed on the side face of each positioning pin; and a spring is arranged at the lower part of each positioning pin. The high-precision blank work piece positioning mechanism disclosed by the utility model greatly improves the positioning precision and the repeated positioning precision of the work piece and reduces the rejection rate of machining.
Description
Technical field
The workpiece detent mechanism that the utility model uses when relating to a kind of machining box-type blank part belongs to the metalworking technology field.
Background technology
When the blank part is carried out machining, at first to use anchor clamps that blank is fixed, the positioning accuracy of blank directly affects the crudy of workpiece.For casing class blank part, processing select blank often for use 3 orthogonal planes as positioning reference, though this localization method is followed 6 point location principles, also have its intrinsic shortcoming:
At first, with 3 orthogonal planes of blank during as positioning reference, the structure more complicated of anchor clamps is operated more loaded down with trivial detailsly, is unfavorable for chip removal, the casting accuracy of locating surface is required relatively stricter, and the positioning accuracy and the repetitive positioning accuracy of anchor clamps are lower.
Secondly; With 3 orthogonal planes of blank during as positioning reference, whether correct, promptly can't realize gas inspection mistake proofing if can not utilize lathe gas inspection unit to detect the position of workpiece; Thereby be easy to cause workpiece to be scrapped because of the workpiece location is inaccurate, bring unnecessary loss to enterprise.
Therefore, how guaranteeing the positioning accuracy of casing class blank part, improve the yield rate of machining, is the present a great problems that face of relevant technologies personnel.
The utility model content
The purpose of the utility model is to provide a kind of simple in structure, easy to operate high accuracy blank workpiece detent mechanism, to improve the yield rate of casing class blank part.
The alleged problem of the utility model realizes with following technical proposals:
A kind of high accuracy blank workpiece detent mechanism; Form by two alignment pins, two the gentle inspection of location key seat unit; Two location key seats are fixed on the clamp body, and the locating surface of their end face and blank workpiece is fitted, and location key seat is provided with the vertical hole that is complementary with alignment pin; Vertically the hole wall top in hole is provided with the air admission hole that communicates with the compressed air hose of gas inspection unit, and the bottom is provided with steam vent; Two alignment pins are respectively circular taper pin and rhombus taper pin; Be designated hereinafter simply as round pin and water chestnut pin; The two lays respectively in the vertical hole of two location key seats and is corresponding with two locating holes on the blank workpiece; The side of each alignment pin is provided with to be detected the hole and detects the hole down, they lay respectively at location key seat air admission hole the above and below and communicate with pore on the alignment pin bottom surface, the bottom of each alignment pin is provided with spring.
Above-mentioned high accuracy blank workpiece detent mechanism, the sidewall of said two alignment pins is provided with radially stopper slot, and location key seat is provided with the corresponding jackscrew of radially stopper slot with alignment pin.
Above-mentioned high accuracy blank workpiece detent mechanism, the air admission hole of said location key seat is connected with the compressed air hose that gas is examined the unit through the inner gas port of clamp body, is provided with the O RunddichtringO at the joint of the gas port of the air admission hole of location key seat and clamp body.
Above-mentioned high accuracy blank workpiece detent mechanism, the vertical hole of said location key seat is a through hole, and its lower end is provided with screw plug, and the spring one end roof pressure of alignment pin bottom is on the bottom surface of alignment pin, and an end roof pressure is on screw plug.
The utility model utilizes blank hole, the black skin on two unsteady alignment pins, gas inspection unit and the casing class blank part that workpiece is positioned gentle inspection mistake proofing; Improve the positioning accuracy and the repetitive positioning accuracy of workpiece greatly, reduced mach percent defective.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done further to detail.
Fig. 1 is the structural representation of the utility model.
Each label is among the figure: 1, clamp body; 2, round pin seat; 3, screw plug; 4, spring; 5, round pin; 6, jackscrew; 7, water chestnut key seat; 8, water chestnut pin; 9, workpiece; 10, plug; 11, gas inspection unit; 12, air admission hole; 13, locating surface; 14, detect the hole on; 15, detect the hole down; 16, steam vent; 17, compressed air hose, 18, gas port; 19, O RunddichtringO; 20, stopper slot radially.
The specific embodiment
Referring to Fig. 1, the utility model comprises round pin seat 2, screw plug 3, spring 4, round pin 5, jackscrew 6, water chestnut key seat 7, water chestnut pin 8, plug 10, gas inspection unit 11 (comprising pressure sensor, PLC, reversal valve, display screen etc.).
The air admission hole 12 of two location key seats (round pin seat 2 and water chestnut key seat 7) is connected with lathe gas inspection gas circuit; Adopt screw to connect between clamp body 1 and the round pin seat 2; The air admission hole 12 of two location key seats adopts 19 sealings of O RunddichtringO with the junction of the gas port 18 of clamp body 1; Guarantee the air-tightness of coupling part, adopt minim gap to cooperate between round pin seat 2 and the round pin 5, when assurance round pin 5 fluctuates smoothly, guarantee the air-tightness that cooperates.Through being threaded, can adjust the size of spring 4 elastic force through the screw-in length of adjustment screw plug 3 between round pin seat 2 and the screw plug 3.Between round pin seat 2 and the jackscrew 6 through being threaded; Turn jackscrew 6 makes in its radially stopper slot that gets into round pin 5; Can prevent that round pin 5 from ejecting from round pin seat 2 under the effect of spring 4, round pin seat 2 and plug 10 are through being threaded, and plug 10 is used for the air inlet fabrication hole on the shutoff round pin seat 2.
The action specification of this device:
Fig. 1 is the correct positioning and clamping state of workpiece, does not place before the workpiece to be machined 9, and following detection hole 15 is positioned at air inlet 12 tops, the gas circuit sealing, and pressure sensor detection air pressure is high pressure (normally) in the lathe gas inspection unit 11;
Back (as shown in Figure 1) is placed in workpiece to be machined 9 correct location on anchor clamps; Round pin 5 moves down under the pressure effect of workpiece 9 with water chestnut pin 8; Contact with the anchor clamps plane of orientation until the workpiece locating surface; This moment air inlet 12 under detect hole 15 and on detect between the hole 14, the gas circuit sealing, to detect air pressure be high pressure (normally) to pressure sensor in the lathe gas inspection unit;
When workpiece to be machined 9 location are unusual; Two alignment pins (round pin 5 and water chestnut pin 8) are in overvoltage or under-voltage condition; Round pin 5 can be mobile downward or upward with water chestnut pin 8, and at this moment air inlet 12 can be with last detection hole 14 or detected hole 15 down and connect, and compressed air detects hole 15 down by air inlet 12 warps or goes up and detect hole 14 entering round pins 5 or water chestnut pin 8; After the steam vent 16 on round pin seat 2 or the water chestnut key seat 7 gets into atmosphere, to detect air pressure be low pressure (unusually) to pressure sensor in this moment lathe gas inspection unit 11; Lathe is reported to the police automatically, forbids processing, avoids because the inaccurate workpiece that causes of installing and locating is scrapped.
Claims (4)
1. high accuracy blank workpiece detent mechanism; It is characterized in that it is made up of two alignment pins, two the gentle inspection of location key seat unit (11), two location key seats are fixed on the clamp body (1); The locating surface of their end face and blank workpiece (9) is fitted; Location key seat is provided with the vertical hole that is complementary with alignment pin, and vertically the hole wall top in hole is provided with the air admission hole (12) that communicates with the compressed air hose (17) of gas inspection unit (11), and the bottom is provided with steam vent (16); Two alignment pins are respectively round pin (5) and water chestnut pin (8); The two lays respectively in the vertical hole of two location key seats and is corresponding with two locating holes on the blank workpiece (9); The side of each alignment pin is provided with to be detected hole (14) and detects hole (15) down; They lay respectively at location key seat air admission hole (12) the above and below and communicate with pore on the alignment pin bottom surface, the bottom of each alignment pin is provided with spring (4).
2. according to the said high accuracy blank of claim 1 workpiece detent mechanism, it is characterized in that the sidewall of said two alignment pins is provided with radially stopper slot (20), location key seat is provided with the corresponding jackscrew of radially stopper slot (20) (6) with alignment pin.
3. according to claim 1 or 2 said high accuracy blank workpiece detent mechanisms; It is characterized in that; The air admission hole of said location key seat (12) is connected with the compressed air hose (17) of gas inspection unit (11) through the inner gas port (18) of clamp body (1), is provided with O RunddichtringO (19) at the joint of the gas port (18) of the air admission hole (12) of location key seat and clamp body (1).
4. according to the said high accuracy blank of claim 3 workpiece detent mechanism; It is characterized in that the vertical hole of said location key seat is a through hole, its lower end is provided with screw plug (3); Spring (4) the one end roof pressures of alignment pin bottom are on the bottom surface of alignment pin, and an end roof pressure is on screw plug (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205675043U CN202428209U (en) | 2011-12-30 | 2011-12-30 | High-precision blank work piece positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205675043U CN202428209U (en) | 2011-12-30 | 2011-12-30 | High-precision blank work piece positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202428209U true CN202428209U (en) | 2012-09-12 |
Family
ID=46777682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205675043U Expired - Lifetime CN202428209U (en) | 2011-12-30 | 2011-12-30 | High-precision blank work piece positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202428209U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659439A (en) * | 2013-11-29 | 2014-03-26 | 大连华根机械有限公司 | Pneumatic material availability identifying device |
| CN104128809A (en) * | 2014-07-01 | 2014-11-05 | 浙江吉利控股集团有限公司 | Unblocking and blocking type clamp positioning device |
| CN104493644A (en) * | 2014-12-18 | 2015-04-08 | 中信戴卡股份有限公司 | Machining center skew detector |
| CN104625874A (en) * | 2015-03-09 | 2015-05-20 | 江苏天宏自动化科技有限公司 | Airtightness detection safety system for automation machining |
| CN105636741A (en) * | 2013-10-08 | 2016-06-01 | 富士机械制造株式会社 | Workpiece seating detection device and method for adjusting same |
| CN107627153A (en) * | 2017-10-25 | 2018-01-26 | 东风设备制造有限公司 | Camshaft positions clamping end face gas check |
| CN107627118A (en) * | 2017-11-10 | 2018-01-26 | 南通恩迈精密机械科技有限公司 | A kind of balanced type hydraulic floating supporting mechanism |
| CN107738123A (en) * | 2017-11-10 | 2018-02-27 | 东风设备制造有限公司 | A kind of automobile engine bearings seat fixture that can be realized gas circuit and share gentle checking functions |
| CN108274053A (en) * | 2018-02-02 | 2018-07-13 | 四川融至精密机械有限公司 | VVT rotor automatic processing technologies |
| CN108405997A (en) * | 2018-03-28 | 2018-08-17 | 广东鸿图南通压铸有限公司 | A kind of processing unit (plant) and method for numerical control machining fixture location hole |
| CN111283451A (en) * | 2020-04-16 | 2020-06-16 | 无锡贝斯特精机股份有限公司 | Gas detection type elastic pin mechanism |
| CN111331534A (en) * | 2020-03-16 | 2020-06-26 | 昆山达优精密机械有限公司 | Pressure-maintaining safety detection linkage mechanism |
| CN114012442A (en) * | 2021-09-17 | 2022-02-08 | 珠海保税区茵科舒尔特门控科技有限公司 | Door closer machining device and door closer body machining process applied to same |
-
2011
- 2011-12-30 CN CN2011205675043U patent/CN202428209U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105636741A (en) * | 2013-10-08 | 2016-06-01 | 富士机械制造株式会社 | Workpiece seating detection device and method for adjusting same |
| CN103659439A (en) * | 2013-11-29 | 2014-03-26 | 大连华根机械有限公司 | Pneumatic material availability identifying device |
| CN104128809A (en) * | 2014-07-01 | 2014-11-05 | 浙江吉利控股集团有限公司 | Unblocking and blocking type clamp positioning device |
| CN104128809B (en) * | 2014-07-01 | 2017-09-26 | 浙江吉利控股集团有限公司 | On-off type clamp positioning device |
| CN104493644A (en) * | 2014-12-18 | 2015-04-08 | 中信戴卡股份有限公司 | Machining center skew detector |
| CN104625874A (en) * | 2015-03-09 | 2015-05-20 | 江苏天宏自动化科技有限公司 | Airtightness detection safety system for automation machining |
| CN107627153A (en) * | 2017-10-25 | 2018-01-26 | 东风设备制造有限公司 | Camshaft positions clamping end face gas check |
| CN107627153B (en) * | 2017-10-25 | 2024-01-09 | 东风设备制造有限公司 | End face gas detection device for positioning and clamping camshaft |
| CN107738123A (en) * | 2017-11-10 | 2018-02-27 | 东风设备制造有限公司 | A kind of automobile engine bearings seat fixture that can be realized gas circuit and share gentle checking functions |
| CN107738123B (en) * | 2017-11-10 | 2023-10-24 | 东风设备制造有限公司 | Automobile engine bearing seat clamp capable of realizing gas circuit sharing and gas detection functions |
| CN107627118A (en) * | 2017-11-10 | 2018-01-26 | 南通恩迈精密机械科技有限公司 | A kind of balanced type hydraulic floating supporting mechanism |
| CN108274053A (en) * | 2018-02-02 | 2018-07-13 | 四川融至精密机械有限公司 | VVT rotor automatic processing technologies |
| CN108405997A (en) * | 2018-03-28 | 2018-08-17 | 广东鸿图南通压铸有限公司 | A kind of processing unit (plant) and method for numerical control machining fixture location hole |
| CN111331534A (en) * | 2020-03-16 | 2020-06-26 | 昆山达优精密机械有限公司 | Pressure-maintaining safety detection linkage mechanism |
| CN111283451A (en) * | 2020-04-16 | 2020-06-16 | 无锡贝斯特精机股份有限公司 | Gas detection type elastic pin mechanism |
| CN114012442A (en) * | 2021-09-17 | 2022-02-08 | 珠海保税区茵科舒尔特门控科技有限公司 | Door closer machining device and door closer body machining process applied to same |
| CN114012442B (en) * | 2021-09-17 | 2024-02-23 | 珠海保税区茵科舒尔特门控科技有限公司 | Door closer machining device and door closer body machining process applied to same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120912 |