CN104865021A - Pressure detection apparatus for hook-type casting blank cavity - Google Patents
Pressure detection apparatus for hook-type casting blank cavity Download PDFInfo
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- CN104865021A CN104865021A CN201510251660.1A CN201510251660A CN104865021A CN 104865021 A CN104865021 A CN 104865021A CN 201510251660 A CN201510251660 A CN 201510251660A CN 104865021 A CN104865021 A CN 104865021A
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- side frame
- frame
- pressing plate
- outlet
- screw rod
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Abstract
The invention relates to a pressure detection apparatus for a hook-type casting blank cavity. The pressure detection apparatus comprises a door-shaped tool provided with an opening. The door-shaped tool comprises a top frame, a first side frame and a second side frame. The bottom of the first side frame is provided with a hook hooking inwardly, and the bottom of the second side frame is also provided with a hook hooking inwardly. The first side frame is integrally and fixedly connected to the top frame, and the top frame is movably connected to the second side frame. The top frame is provided with multiple screw holes corresponding to open holes of a casting. A strong push screw rod is matchedly disposed in each screw hole; the strong push screw rod extends to the lower end of the door-shaped tool; the strong push screw rod is provided with a pressure plate used for pushing the corresponding open hole in the casting; a rubber gasket is arranged between the pressure plate and the casting; the pressure plate is provided with an inlet and an outlet which are communicated with the cavity; the inlet is connected to an inlet pipe; the outlet is connected to a pressure gage through an outlet pipe; and the door-shaped tool is provided with through holes which the inlet pipe and the outlet pipe can conveniently penetrate. The pressure detection apparatus is used for detecting the blank casting having the cavity, wherein one end of the cavity is provided with the multiple open holes arranged side by side, and the outer contour on the two sides of the open holes is provided with steps or clamping benches having reduced external dimensions.
Description
Technical field
The present invention relates to the sealing propertytest technology of foundry goods cavity, in particular to a kind of coupling type spray cavity pressure pick-up unit, one end for test chamber has multiple perforate side by side, the hair bad foundry goods of the step that the outline of perforate end both sides has outside dimension to reduce or chuck.
Background technology
Some foundry goods with cavity in casting industry, cavity generally as oil pocket, circulating water cavity, compression chamber etc., therefore will carry out pressure check to it when quality testing, to guarantee that cavity sealing is good, does not have the risk of seepage.Pressure check at present for this kind of foundry goods die cavity is after foundry goods completes finishing, in die cavity opening flange face processing bolt hole, is connected by flat board, then carries out hydraulic pressure detection with bolt with the peristome of cavity.But for the coarse injustice of its cavity hatch portion faces of rough casting, when carrying out pressure detection by the method, there will be at cavity hatch place leak, leaking gas causes carrying out pressure detection.Foundry goods carries out pressure check whole finishing is complete, and the risk cost for foundry goods manufacturer is large, especially ironcasting, and seepage occurs, and foundry goods will be scrapped, and causes the waste of finishing cost.
Summary of the invention
The present invention is directed to rough casting in prior art and directly can not carry out the problem of the pressure detection of cavity, a kind of coupling type spray cavity pressure pick-up unit is provided, one end for test chamber has multiple perforate side by side, the hair bad foundry goods of the step that the outline of perforate end both sides has outside dimension to reduce or chuck.
The object of the present invention is achieved like this, a kind of coupling type spray cavity pressure pick-up unit, one end that described pressure-detecting device is used for test chamber has multiple perforate side by side, the hair bad foundry goods of the step that the outline of perforate end both sides has outside dimension to reduce or chuck, described pressure-detecting device comprises the door shape frock of an opening, described door shape frock comprises top frame, side frame one and side frame two, the bottom of described side frame one and side frame two is provided with the hook of hook to the inside, described side frame one is integrally fixedly connected with top frame, described top frame is flexibly connected with side frame two, described top frame is provided with some screws corresponding with the perforate of foundry goods, coordinate to be provided with in described screw and push away screw rod by force, the described screw rod that pushes away by force stretches into a lower end of shape frock and is provided with pressing plate for pushing perforate on corresponding foundry goods, rubber blanket is provided with between described pressing plate and foundry goods, described pressing plate is also provided with the import be communicated with die cavity and outlet, described import is connected with induction pipe, described outlet is connected with tensimeter by outlet, described door shape frock is provided with the through hole be convenient to induction pipe and outlet and passed.
When pressure-detecting device of the present invention carries out pressure detection to rough casting die cavity, door shape frock is coordinated with the chuck outside foundry goods or step and clamps, then screw respectively and corresponding with foundry goods perforate push away screw rod by force, and make pressing plate push rubber blanket to seal the perforate of each correspondence, then fill the air pressure of certain pressure or hydraulic pressure and pressurize to induction pipe, observe the pressure drop situation of outlet pressures table to judge the sealing property of foundry goods die cavity.Thus realize the pressure detection of said structure feature rough casting.
For ease of clamping a shape frock, described top frame is connected by articulate with the outside of side frame two joint angle; The inner side being provided with side frame two corresponding between two parallel lug one, two lugs one inside the frame of described top is provided with lug two, and on described lug one and lug two, correspondence is provided with concentric hole, is provided with the latch for lock top frame and side frame two in described concentric hole.The door shape frock of this structure, when clamping rough casting, can extract latch out, and rotate side frame two, so that clamp with foundry goods, after the hook of side frame one and side frame two clamps with the step outside foundry goods or chuck respectively and puts in place, plug-in mounting latch, with fixed gate shape frock.
As improvement of the present invention, described import and outlet are arranged on same pressing plate corresponding to one of perforate or are separately positioned on pressing plate corresponding to two different perforates.
For ease of pushing away by force the connection of screw rod and pressing plate, describedly pushing away by force the bottom that screw rod is connected with pressing plate and be provided with T-shaped boss, described pressing plate is provided with the T-slot being convenient to the socket of T-shaped boss, and described T-shaped boss can rotate in T-slot.
For Optimal improvements door shape tool structure, the top frame of the door shape frock corresponding with pushing away by force screw coaxial is provided with mounting hole, described mounting hole internal fixtion is provided with and the inner screw sheath pushing away by force screw rod and coordinate, and described inner screw sheath is provided with the outer step that card leans against frame mounting hole periphery, top near the direction of pressing plate.In the present invention, inner screw sheath is set in the screw position that door shape frock is corresponding with pushing away by force screw rod; can available protecting door shape frock; can only change inner screw sheath when internal thread damages because frequently using, and not need to scrap whole door shape frock, thus extend its serviceable life.The mechanical property of an all right intensive treatment inner screw sheath in addition, to improve the serviceable life of inner screw sheath.
Accompanying drawing explanation
Fig. 1 is the structural representation of coupling type spray cavity pressure pick-up unit of the present invention.
Fig. 2 be in Fig. 1 A to partial enlarged drawing.
Fig. 3 is for push away screw rod and pressing plate syndeton schematic diagram by force.
Fig. 4 is the structural representation pushing away by force screw rod and door shape frock top frame screw connection point.
Wherein, 1 foundry goods; 2 die cavities; 3 rubber blankets; Semi-finals pushes away screw rod; The T-shaped boss of 4A; 5 pressing plates; 5A T-slot; 6 shape frocks; 61 side frames one; 62 side frames two; 63 top frames; 7 tensimeters; 8 induction pipes; 9 latches; 10 hinges; 11 outlets; 12 inner screw sheaths; 12A outer step; 13 lugs one; 14 lugs two.
Embodiment
As shown in Fig. 1-Fig. 4, for coupling type spray cavity pressure pick-up unit of the present invention, for the rough casting that detects as shown in fig. 1, one end of the cavity 2 of such foundry goods 1 has multiple perforate side by side, the hair bad foundry goods of the step that the outline of perforate end both sides has outside dimension to reduce or chuck, this pressure-detecting device comprises the door shape frock 6 of an opening, door shape frock 6 comprises top frame 63, side frame 1 and side frame 2 62, the bottom of side frame 1 and side frame 2 62 is provided with the hook of hook to the inside, side frame 1 is integrally fixedly connected with top frame, top frame 63 is flexibly connected with side frame 2 62, top frame 63 is provided with some screws corresponding with the perforate of foundry goods 1, coordinate to be provided with in screw and push away by force screw rod 4, push away by force screw rod 4 to stretch into a lower end of shape frock 6 and be provided with pressing plate 5 for pushing perforate on corresponding foundry goods, rubber blanket 3 is provided with between pressing plate 5 and foundry goods 1, pressing plate 5 is also provided with the import and outlet that are communicated with die cavity 2, import is connected with induction pipe 8, outlet is connected with tensimeter 7 by outlet 11, door shape frock 6 is provided with the through hole be convenient to induction pipe 8 and outlet 11 and passed.
For ease of clamping a shape frock 6, top frame 63 is flexibly connected by hinge 10 with the outside of side frame 2 62 joint angle; The inner side being provided with side frame 2 62 corresponding between two parallel lug one 13, two lugs 1 inside the frame 63 of top is provided with lug 2 14, and on lug 1 and lug 2 14, correspondence is provided with concentric hole, is provided with the latch 9 for lock top frame 63 and side frame 2 61 in concentric hole.The door shape frock 6 of this structure, when clamping rough casting, can extract latch 9 out, rotate side frame 2 62, so that clamp with foundry goods 1, after the hook of side frame 1 and side frame 2 62 clamps with the step outside foundry goods 1 or chuck respectively and puts in place, plug-in mounting latch 9, with fixed gate shape frock 6.
As improvement of the present invention, import and outlet are arranged on same pressing plate 5 corresponding to one of perforate or are separately positioned on pressing plate 5 corresponding to two different perforates.When foundry goods has the situation of larger radial aperture in this structure, import and outlet can be arranged on pressing plate corresponding to same perforate 5, and when the radial dimension of perforate is less, import and outlet are separately positioned on pressing plate 5 corresponding to two different perforates.
For ease of pushing away by force the connection of screw rod 4 and pressing plate 5, push away by force the bottom that screw rod 4 is connected with pressing plate 5 and be provided with T-shaped boss 4A, pressing plate 5 is provided with the T-slot 5A being convenient to T-shaped boss 4A socket, and T-shaped boss 4A can rotate in T-slot 5A.
For Optimal improvements door shape tool structure, mounting hole is provided with the top frame 63 pushing away by force the coaxial corresponding door shape frock 6 of screw rod 4, mounting hole internal fixtion is provided with and the inner screw sheath 12 pushing away by force screw rod 4 and coordinate, and inner screw sheath 12 is provided with the outer step 12A that card leans against frame 63 mounting hole periphery, top near the direction of pressing plate 5.In the present invention, inner screw sheath 12 is set in the screw position that door shape frock 6 is corresponding with pushing away by force screw rod 4; can available protecting door shape frock 6; only can change inner screw sheath 12 when internal thread damages because frequently using, and not need to scrap whole door shape frock, thus extend its serviceable life.The mechanical property of an all right intensive treatment inner screw sheath 12A in addition, to improve the serviceable life of inner screw sheath 12A.
When pressure-detecting device of the present invention carries out pressure detection to rough casting die cavity, door shape frock 6 is coordinated with the chuck outside foundry goods 1 or step and clamps, then screw respectively and corresponding with foundry goods 1 perforate push away by force screw rod 4, and make pressing plate 5 push rubber blanket 3 to seal the perforate of each correspondence, then fill the air pressure of certain pressure or hydraulic pressure and pressurize to induction pipe 8, observe the pressure drop situation of outlet pressures table 7 to judge the sealing property of foundry goods die cavity.Thus realize the pressure detection of said structure feature rough casting.
Claims (5)
1. a coupling type spray cavity pressure pick-up unit, one end that described pressure-detecting device is used for test chamber has multiple perforate side by side, the hair bad foundry goods of the step that the outline of perforate end both sides has outside dimension to reduce or chuck, it is characterized in that, described pressure-detecting device comprises the door shape frock of an opening, described door shape frock comprises top frame, side frame one and side frame two, the bottom of described side frame one and side frame two is provided with the hook of hook to the inside, described side frame one is integrally fixedly connected with top frame, described top frame is flexibly connected with side frame two, described top frame is provided with some screws corresponding with the perforate of foundry goods, coordinate to be provided with in described screw and push away screw rod by force, the described screw rod that pushes away by force stretches into a lower end of shape frock and is provided with pressing plate for pushing perforate on corresponding foundry goods, rubber blanket is provided with between described pressing plate and foundry goods, described pressing plate is also provided with the import be communicated with die cavity and outlet, described import is connected with induction pipe, described outlet is connected with tensimeter by outlet, described door shape frock is provided with the through hole be convenient to induction pipe and outlet and passed.
2. coupling type spray cavity pressure pick-up unit according to claim 1, it is characterized in that, described top frame is connected by articulate with the outside of side frame two joint angle; The inner side being provided with side frame two corresponding between two parallel lug one, two lugs one inside the frame of described top is provided with lug two, and on described lug one and lug two, correspondence is provided with concentric hole, is provided with the latch for lock top frame and side frame two in described concentric hole.
3. coupling type spray cavity pressure pick-up unit according to claim 2, is characterized in that, described import and outlet are arranged on same pressing plate corresponding to one of perforate or are separately positioned on pressing plate corresponding to two different perforates.
4. the coupling type spray cavity pressure pick-up unit according to claim 1 or 2 or 3, it is characterized in that, describedly push away by force the bottom that screw rod is connected with pressing plate and be provided with T-shaped boss, described pressing plate is provided with the T-slot being convenient to the socket of T-shaped boss, and described T-shaped boss can rotate in T-slot.
5. the coupling type spray cavity pressure pick-up unit according to claim 1 or 2 or 3, it is characterized in that, the top frame of the door shape frock corresponding with pushing away by force screw coaxial is provided with mounting hole, described mounting hole internal fixtion is provided with and the inner screw sheath pushing away by force screw rod and coordinate, and described inner screw sheath is provided with the outer step that card leans against frame mounting hole periphery, top near the direction of pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510251660.1A CN104865021A (en) | 2015-05-18 | 2015-05-18 | Pressure detection apparatus for hook-type casting blank cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510251660.1A CN104865021A (en) | 2015-05-18 | 2015-05-18 | Pressure detection apparatus for hook-type casting blank cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104865021A true CN104865021A (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510251660.1A Pending CN104865021A (en) | 2015-05-18 | 2015-05-18 | Pressure detection apparatus for hook-type casting blank cavity |
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| CN (1) | CN104865021A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576221A (en) * | 2017-09-06 | 2018-01-12 | 芜湖精达机械制造有限公司 | A kind of heat exchanger for being easy to leak detection |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040134887A1 (en) * | 2003-01-09 | 2004-07-15 | General Electric Company | Method of weld repariing a component and component repaired thereby |
| CN202708056U (en) * | 2012-06-07 | 2013-01-30 | 上海大隆机器厂有限公司 | Plug tool universally used for leakage of through hole in the blank surface of casting |
| JP2013019867A (en) * | 2011-07-14 | 2013-01-31 | Honda Motor Co Ltd | Gas type leakage inspection device |
| CN202814663U (en) * | 2012-10-08 | 2013-03-20 | 上汽依维柯红岩商用车有限公司 | Air tightness detection device for axle hub reductor housing |
| CN203349988U (en) * | 2013-06-07 | 2013-12-18 | 湛江德利化油器有限公司 | Gas test sealing clamp device |
| CN204101252U (en) * | 2014-10-08 | 2015-01-14 | 苏州锦鹏机电设备制造有限公司 | Valve body moulding blank pressure testing annex |
-
2015
- 2015-05-18 CN CN201510251660.1A patent/CN104865021A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040134887A1 (en) * | 2003-01-09 | 2004-07-15 | General Electric Company | Method of weld repariing a component and component repaired thereby |
| JP2013019867A (en) * | 2011-07-14 | 2013-01-31 | Honda Motor Co Ltd | Gas type leakage inspection device |
| CN202708056U (en) * | 2012-06-07 | 2013-01-30 | 上海大隆机器厂有限公司 | Plug tool universally used for leakage of through hole in the blank surface of casting |
| CN202814663U (en) * | 2012-10-08 | 2013-03-20 | 上汽依维柯红岩商用车有限公司 | Air tightness detection device for axle hub reductor housing |
| CN203349988U (en) * | 2013-06-07 | 2013-12-18 | 湛江德利化油器有限公司 | Gas test sealing clamp device |
| CN204101252U (en) * | 2014-10-08 | 2015-01-14 | 苏州锦鹏机电设备制造有限公司 | Valve body moulding blank pressure testing annex |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576221A (en) * | 2017-09-06 | 2018-01-12 | 芜湖精达机械制造有限公司 | A kind of heat exchanger for being easy to leak detection |
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| PB01 | Publication | ||
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Application publication date: 20150826 |