CN202861332U - Drilling device for drilling double rows of exhausting vents in sand core of intermediate body of turbine pressurizing device - Google Patents
Drilling device for drilling double rows of exhausting vents in sand core of intermediate body of turbine pressurizing device Download PDFInfo
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- CN202861332U CN202861332U CN 201220596999 CN201220596999U CN202861332U CN 202861332 U CN202861332 U CN 202861332U CN 201220596999 CN201220596999 CN 201220596999 CN 201220596999 U CN201220596999 U CN 201220596999U CN 202861332 U CN202861332 U CN 202861332U
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Abstract
The utility model provides a drilling device for drilling double rows of exhausting vents in a sand core of an intermediate body of a turbine pressurizing device. Two pen-shaped air drills are arranged at one end of a base through a guide rail, a straight-line rolling bearing, a sliding platform, an air drill base and an air drill base hole. The two ends of the two pen-shaped air drills are respectively provided with air drill bits and air drill air pipes. The base is further provided with an air cylinder through a base connecting block. The sliding platform is connected with an air cylinder piston rod connector on the air cylinder through a sliding platform connecting block. The two ends of the air cylinder are respectively provided with air cylinder air pipe connectors connected with a compressed air reversing valve. The other end of the base is fixedly provided with a clamp body and a step-shaped positioning block. The sand core of the intermediate body of the turbine pressurizing device is placed above the step-shaped positioning block and in the middle of the clamp body in a matched manner. Floating pressing plates capable of pressing a sand core head are arranged on the two sides of the clamp body through a pressing plate stand column, a pressing plate cross beam and a nut. According to the drilling device disclosed by the utility model, two exhausting vents which are connected to a semicircular channel are successfully drilled in the sand core of the intermediate body of the turbine pressurizing device. In a process of drilling the exhausting vents, the semicircular channel is basically not broken. Therefore, the yield of drilling the exhausting vents can be extremely improved.
Description
Technical field
The utility model relates to a kind of drilling equipment, particularly a kind of drilling equipment that bores double pore at the turbocharger middle body core.
Background technology
Employed core in the moulding of casting industry core, most precoated sand cores processed that use.Precoated sand core processed has good manufacturability.But shortcoming is also arranged, and its shortcoming is that the gas forming amount of precoated sand core when pouring cast part can cause pore is arranged in the foundry goods.For preventing producing pore in the foundry goods, all bore steam vent at core.These steam vents all are to get out with drill bit after the core moulding again.Having a kind of core of turbocharger middle body water channel, its water channel to be arranged in the middle of it is semi-circular channel, and its turnover water end (W.E.) is all established in one plane.Because semi-circular channel smallest cross-sectional size only has 8mm * 6mm, its turnover water end (W.E.) bore steam vent until during semi-circular channel very easily because being subject to the inhomogeneous external force semi-circular channel that fractures.In the past when turnover water end (W.E.) core print bores steam vent, because the semi-circular channel waste product that produces that fractures can reach about 40%.
Summary of the invention:
The purpose of this utility model provides a kind of drilling equipment that bores double pore at the turbocharger middle body core.This drilling equipment can be on the turbocharger middle body core simultaneously two of successful ground augers until the steam vent of semi-circular channel.And semi-circular channel substantially can not fracture when boring steam vent.Can greatly reduce like this percent defective that turbocharger middle body precoated sand core is bored steam vent.Bore simultaneously two steam vents and also greatly improved operating efficiency, greatly reduce the casting cost of foundry goods and improve the economic benefit of enterprise.
The technical solution of the utility model is: a kind of drilling equipment that bores double pore at the turbocharger middle body core.Two guide rails laterally are installed on base one end side by side.A linear roller bearing all is housed on the every guide rail, and each linear roller bearing rolls with guide rail respectively and is connected.A slide unit is installed on two linear roller bearing tops.The pneumatic drill seat is installed on slide unit, and this pneumatic drill seat screw fastening that is fixed is positioned on the slide unit.Be provided with two pneumatic drill seat holes in the middle of the pneumatic drill seat.Two form of a stroke or a combination of strokes pneumatic drills are contained in respectively in two pneumatic drill seat holes.Two form of a stroke or a combination of strokes pneumatic drills, one end all is equipped with drill jig, has all clamped the pneumatic drill drill bit in two drill jigs.The other end of two form of a stroke or a combination of strokes pneumatic drills all is equipped with the pneumatic drill tracheae, and two pneumatic drill tracheaes all are connected with the compressed air pumping plant.
The base contiguous block also is installed on base.Cylinder is fixed on the base contiguous block.Below slide unit, be fixed with the slide unit contiguous block.The cylinder piston rod connector is housed on the cylinder, and the slide unit contiguous block is connected with the cylinder piston rod connector.The cylinder gas-tpe fitting all is equipped with at the cylinder two ends, and two cylinder gas-tpe fittings at cylinder two ends all are connected with the compressed air reversal valve.The compressed air reversal valve send compressed air to enter according to instruction respectively to make cylinder piston rod extended or retracted in the cylinder.
On the base other end, be fixed with clamp body.Be fixed with the stairstepping locating piece at clamp body.Should match with the core of drilled steam vent in locus between clamp body and the stairstepping locating piece.Cooperate above the stairstepping locating piece and in the middle of the clamp body and lay the turbocharger middle body core.The riding position of core should make to be needed on the turbocharger middle body core to bore two steam vent places all in the face of two form of a stroke or a combination of strokes pneumatic drill drill bits.The threaded pressing plate column of tool all is installed above the clamp body both sides, and pressing plate crossbeam one end is sleeved on the side guide column and by locking nut and locks.The pressing plate crossbeam other end one side has notch, and this notch active card is contained on the opposite side pressing plate column and by wing nut and locks.Pressing plate crossbeam middle part is provided with elongated slot, and floating platen is packed in the elongated slot by straight pin.Floating platen is pressed on from above on two core prints above the core, can make like this two form of a stroke or a combination of strokes pneumatic drills get out two qualified steam vents.
Described two form of a stroke or a combination of strokes pneumatic drills are all selected AT-3170 type form of a stroke or a combination of strokes pneumatic drill.
Operation principle of the present utility model and process are: because two brill pore positions of core are all pushed down simultaneously by floating platen, be subjected to all while uniform stresseds of external force position when boring steam vent on the core, the semi-circular channel position fractures because being subject to inhomogeneous external force with regard to being difficult in the core.So just greatly improved the percentage of A-class goods of boring steam vent at core.Bore simultaneously two steam vents at core into and out of water end (W.E.) respectively and also greatly improved operating efficiency.Also with the pressing plate crossbeam core is fixed on steam vent to be bored position in the middle of first core being installed in clamp body when boring steam vent.Then start two form of a stroke or a combination of strokes pneumatic drill end tracheaes, two form of a stroke or a combination of strokes pneumatic drills are all in running order.Start cylinder by two cylinder gas-tpe fittings afterwards again cylinder piston rod is protracted, two form of a stroke or a combination of strokes pneumatic drills bored steam vent at core when cylinder piston rod drive form of a stroke or a combination of strokes pneumatic drill protracted to the core place.Two exhaust hole drills well after reversal valve can make cylinder piston rod drive form of a stroke or a combination of strokes pneumatic drill according to instruction commutation to retreat into original position and quit work.Close two form of a stroke or a combination of strokes pneumatic drill end tracheae air feed this moment also quits work form of a stroke or a combination of strokes pneumatic drill.Repeat the above-mentioned course of work and can bore steam vent at another core.
The utility model has the advantages that provides a kind of drilling equipment that bores double pore at the turbocharger middle body core.This drilling equipment can be on the semicircle inlet channel of turbocharger middle body core and water outlet two steam vents of successful ground auger.And inlet channel and water outlet can not fracture when boring steam vent.Can greatly reduce like this percent defective that turbocharger middle body precoated sand core is bored steam vent.Bore simultaneously two steam vents and also greatly improved operating efficiency, greatly reduce the casting cost of foundry goods and improve the economic benefit of enterprise.
Description of drawings:
Fig. 1 is structural representation of the present utility model.
Fig. 2 be Fig. 1 A-A to the sectional structure schematic diagram.
Fig. 3 be Fig. 1 B-B to the sectional structure schematic diagram.
Fig. 4 is plan structure schematic diagram of the present utility model.
In the accompanying drawing: 1, the slide unit contiguous block, 2, cylinder, 3, the base contiguous block, 4, base, 5, guide rail, 6, the cylinder piston rod connector, 7, linear roller bearing, 8, slide unit, 9, the pneumatic drill drill bit, 10, drill jig, 11, form of a stroke or a combination of strokes pneumatic drill, 12, pneumatic drill seat hole, 13, hold-down screw, 14, the pneumatic drill seat, 15, the pneumatic drill tracheae, 16, floating platen, 17, the pressing plate crossbeam, 18, straight pin, 19, steam vent, 20, the cylinder gas-tpe fitting, 21, the stairstepping locating piece, 22, core, 23, clamp body, 24, wing nut, 25, locking nut, 26, the pressing plate column, 27, alignment pin, 28, core print, 29, notch, 30, elongated slot.
The specific embodiment:
Embodiment shown in each figure is as follows: a kind of drilling equipment that bores double pore at the turbocharger middle body core.Two guide rails 5 laterally are installed on base 4 one ends side by side.A linear roller bearing 7 all is housed on the every guide rail 5, and each linear roller bearing 7 rolls with guide rail 5 respectively and is connected.A slide unit 8 is installed on two linear roller bearings, 7 tops.Pneumatic drill seat 14 is installed, this pneumatic drill seat 14 screw 13 fastening being positioned on the slide unit 8 that are fixed on slide unit 8.Be provided with two pneumatic drill seat holes 12 in the middle of the pneumatic drill seat 14.Two form of a stroke or a combination of strokes pneumatic drills 11 are contained in respectively in two pneumatic drill seat holes 12.Two form of a stroke or a combination of strokes pneumatic drills, 11 1 ends all are equipped with in drill jig 10, two drill jigs 10 and have all clamped pneumatic drill drill bit 9.The other end of two form of a stroke or a combination of strokes pneumatic drills 11 all is equipped with pneumatic drill tracheae 15, two pneumatic drill tracheaes 15 and all is connected with the compressed air pumping plant.Base contiguous block 3 also is installed on base 4.Cylinder 2 is fixed on the base contiguous block 3.Below slide unit 8, be fixed with slide unit contiguous block 1.Cylinder piston rod connector 6 is housed on the cylinder 2, and slide unit contiguous block 1 is connected with cylinder piston rod connector 6.Cylinder gas-tpe fitting 20 all is equipped with at cylinder 2 two ends, and two cylinder gas-tpe fittings 20 at cylinder 2 two ends all are connected with the compressed air reversal valve.The compressed air reversal valve send compressed air to enter in the cylinder 2 according to instruction respectively to make cylinder piston rod extended or retracted.
On base 4 other ends, be fixed with clamp body 23.Be fixed with stairstepping locating piece 21 at clamp body 23.Should match with the core 22 of drilled steam vent 19 in locus between clamp body 23 and the stairstepping locating piece 21.Cooperate above the stairstepping locating piece 21 and in the middle of the clamp body 23 and lay turbocharger middle body core 22.The riding position of core 22 should make to be needed on the turbocharger middle body core 22 to bore two steam vent 19 places all in the face of two form of a stroke or a combination of strokes pneumatic drill drill bits 9.The threaded pressing plate column 26 of tool all is installed above clamp body 23 both sides, and pressing plate crossbeam 17 1 ends are sleeved on the side guide column 26 and by locking nut 25 and lock.Pressing plate crossbeam 17 other ends one side has notch 29, and these notch 29 active card are contained on the opposite side pressing plate column 26 and by wing nut 24 and lock.Pressing plate crossbeam 17 middle parts are provided with elongated slot 30, and floating platen 18 is packed in the elongated slot 30 by straight pin 18.Floating platen 16 is pressed on from above on two core prints 28 above the core 22, can make like this two form of a stroke or a combination of strokes pneumatic drills 11 get out two qualified steam vents 19.
Described two form of a stroke or a combination of strokes pneumatic drills 11 are all selected AT-3170 type form of a stroke or a combination of strokes pneumatic drill.
Claims (2)
1. drilling equipment that bores double pore at the turbocharger middle body core, it is characterized in that: two guide rails laterally are installed on base one end side by side, a linear roller bearing all is housed on the every guide rail, each linear roller bearing rolls with guide rail respectively and is connected, a slide unit is installed on two linear roller bearing tops, the pneumatic drill seat is installed on slide unit, this pneumatic drill seat screw fastening that is fixed is positioned on the slide unit, be provided with two pneumatic drill seat holes in the middle of the pneumatic drill seat, two form of a stroke or a combination of strokes pneumatic drills are contained in respectively in two pneumatic drill seat holes, two form of a stroke or a combination of strokes pneumatic drills, one end all is equipped with drill jig, all clamped the pneumatic drill drill bit in two drill jigs, the other end of two form of a stroke or a combination of strokes pneumatic drills all is equipped with the pneumatic drill tracheae, and two pneumatic drill tracheaes all are connected with the compressed air pumping plant;
The base contiguous block also is installed on base, cylinder is fixed on the base contiguous block, below slide unit, be fixed with the slide unit contiguous block, the cylinder piston rod connector is housed on the cylinder, the slide unit contiguous block is connected with the cylinder piston rod connector, the cylinder gas-tpe fitting all is equipped with at the cylinder two ends, and two cylinder gas-tpe fittings at cylinder two ends all are connected with the compressed air reversal valve, and the compressed air reversal valve send compressed air to enter according to instruction respectively to make cylinder piston rod extended or retracted in the cylinder;
On the base other end, be fixed with clamp body, be fixed with the stairstepping locating piece at clamp body, should match with the core of drilled steam vent in locus between clamp body and the stairstepping locating piece, cooperate above the stairstepping locating piece and in the middle of the clamp body and lay the turbocharger middle body core, the riding position of core should make to be needed on the turbocharger middle body core to bore two steam vent places all in the face of two form of a stroke or a combination of strokes pneumatic drill drill bits, the threaded pressing plate column of tool all is installed above the clamp body both sides, pressing plate crossbeam one end is sleeved on the side guide column and by locking nut and locks, the pressing plate crossbeam other end one side has notch, this notch active card is contained on the opposite side pressing plate column and by wing nut and locks, pressing plate crossbeam middle part is provided with elongated slot, floating platen is packed in the elongated slot by straight pin, floating platen is pressed on from above on two core prints above the core, can make like this two form of a stroke or a combination of strokes pneumatic drills get out two qualified steam vents.
2. a kind of drilling equipment that bores double pore at the turbocharger middle body core according to claim 1, it is characterized in that: described two form of a stroke or a combination of strokes pneumatic drills are all selected AT-3170 type form of a stroke or a combination of strokes pneumatic drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220596999 CN202861332U (en) | 2012-11-12 | 2012-11-12 | Drilling device for drilling double rows of exhausting vents in sand core of intermediate body of turbine pressurizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220596999 CN202861332U (en) | 2012-11-12 | 2012-11-12 | Drilling device for drilling double rows of exhausting vents in sand core of intermediate body of turbine pressurizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202861332U true CN202861332U (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220596999 Expired - Fee Related CN202861332U (en) | 2012-11-12 | 2012-11-12 | Drilling device for drilling double rows of exhausting vents in sand core of intermediate body of turbine pressurizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202861332U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921898A (en) * | 2012-11-12 | 2013-02-13 | 溧阳市科华机械制造有限公司 | Drilling device for drilling double vent holes in middle body sand cores of turbocharger |
| CN105436416A (en) * | 2015-12-17 | 2016-03-30 | 南车戚墅堰机车车辆工艺研究所有限公司 | Core assembly method for middle housing with single water inlet and outlet and water hole connecting line deviating from center of water cavity |
-
2012
- 2012-11-12 CN CN 201220596999 patent/CN202861332U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921898A (en) * | 2012-11-12 | 2013-02-13 | 溧阳市科华机械制造有限公司 | Drilling device for drilling double vent holes in middle body sand cores of turbocharger |
| CN105436416A (en) * | 2015-12-17 | 2016-03-30 | 南车戚墅堰机车车辆工艺研究所有限公司 | Core assembly method for middle housing with single water inlet and outlet and water hole connecting line deviating from center of water cavity |
| CN105436416B (en) * | 2015-12-17 | 2017-09-01 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of core assembly method of single turnover water ring core shift middle case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20161112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |