CN105880483B - A kind of core puncher and a kind of casting air aspiration process - Google Patents
A kind of core puncher and a kind of casting air aspiration process Download PDFInfo
- Publication number
- CN105880483B CN105880483B CN201610349679.4A CN201610349679A CN105880483B CN 105880483 B CN105880483 B CN 105880483B CN 201610349679 A CN201610349679 A CN 201610349679A CN 105880483 B CN105880483 B CN 105880483B
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- China
- Prior art keywords
- core
- drill bit
- motor
- placement platform
- sliding block
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/18—Finishing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a kind of core puncher, punched for sand core head seat, including chassis body, replaceable core placement platform, perforating device, replaceable core placement platform is set in the chassis body, core is fixed in the core placement platform, the core placement platform both sides are provided with perforating device, and sand core head seat is punched by the perforating device；The both ends of the core placement platform are provided with core positioner and core pressing device；The perforating device includes puncher support frame, guider and drill bit combination, and the guider is set on the puncher support frame, and the drill bit combination drives movement by the guider.Also disclose a kind of casting air aspiration process.
Description
Technical field
The invention belongs to casting field, is related to a kind of air aspiration process of particular cast core, further relates to take out specific core
The core puncher that gas is punched.
Background technology
Exhaust is one of key technology in casting process, and gaseous state changes the shadow formed to casting very greatly in die cavity
Ring, liquid metals can send gas when injecting in core, and if it smoothly can not discharge the body of casting, cast-internal can go out
Existing gas hole defect.
The casting sand core that the present invention is applied to, moulding section is complicated, core print seat is abundant.Its both sides is provided with positioning action
Core print holder structure, and the core print seat of such core is abundant, applies in general to position core, further, such sand core structure
Moulding section is complicated, and each moulding section size is all smaller, can not open aspirating hole in the inside of the moulding section of core.
, can not be right because core moulding section is wrapped in aluminium liquid moreover remaining moulding section is the core being wrapped in workpiece
It is evacuated, so can only be evacuated in not wrapped core print seat, why so thick the core print seat of the positioning on core both sides is
It is because it is the position portion of core, also should be the structure needs of sand core strength.
In the prior art in order to preferably discharge the air in such core, only it is that core surface is evacuated, is evacuated effect
Undesirable, easily there is gas hole defect in core thickness general goal in product.
The content of the invention
In view of the shortcomings that above-mentioned prior art, it is an object of the invention to provide a kind of core puncher and technique, be used for
Solve core molding structure complexity in the prior art, the bad technical problem of the abundant a kind of core exhaust effect of core print seat.
In order to achieve the above objects and other related objects, the present invention provides a kind of core puncher, for sand core head seat
Punching, including chassis body, replaceable core placement platform, perforating device, replaceable core is set to put in the chassis body
Platform, core is fixed in the core placement platform, the core placement platform both sides are provided with perforating device, pass through the perforating device pair
Sand core head seat is punched；
The both ends of the core placement platform are provided with core positioner and core pressing device；
The perforating device includes puncher support frame, guider and drill bit combination, is set on the puncher support frame
The guider is put, the drill bit combination drives movement by the guider.
Preferably, the core positioner includes locating dowel and positioning seat, sand described in the locating dowel scattering device
In core placement platform, the positioning seat is arranged on the core placement platform both ends, and the positioning seat is groove-like, groove and core
Core print seat form fit.
Preferably, the core pressing device is arranged on the side of the positioning seat, the core pressing device is under
Supreme to fix motor mount, rotation and lifting motor successively, the rotation and lifting motor is connected with core latch, by described
Rotation and lifting motor can drive the core latch to rotate and move up and down, and sand core head is compressed by the core latch
Seat.
Preferably, the guider includes sliding block, guide rail, motor, the drill bit combination includes drill bit motor
And drill bit, the motor band movable slider move on guide rail, drill bit motor and drill bit are fixed on sliding block, and drill bit is with sliding block
It is mobile.
Preferably, the top of the puncher support frame is inclined inclined design, close to the core placement platform one
Side is higher than sets safe distance away from core placement platform side, puncher support frame and the side of core placement platform；
The inclined-plane is provided with power rail and guide rod, and the sliding block passes through power rail, and the both sides of the power rail are respectively set
There is a guide rod；
The outer side edges of the guide rod are provided with rail groove, and the lower section of sliding block passes through support fixed block, the pulley insertion
In the rail groove；
The power rail is worm screw, is driven by worm gear, and the turbine is connected with the motor.
Preferably, the both-side ends of the track of the power rail and guide rod are equipped with the baffle plate vertical with track.
Preferably, being fixedly connected with the link of L-type above the sliding block, it is fixedly connected on the inside of the vertical portion of L-type
Drill bit motor, the drill bushing of drill bit motor pass through link, fixed drill bit on drill bushing.
Preferably, the drill bit motor and sliding block are arranged at the homonymy of the vertical portion of L-type link, link
Safe distance is provided between vertical portion and sliding block.
Preferably, the left and right sides of the chassis body is provided with drill bit guide plate, the drill bit passes through guide plate.
As described above, a kind of core puncher of the present invention, has the advantages that：Relative to manual punching, this sets
Standby to improve production efficiency, the size in hole is unified, because user is different size will not be caused different.
It is convenient to core and core print seat registration, punching.The replaceable of core placement platform adds being applicable for puncher
Scope.
One kind casting air aspiration process, comprises the following steps：
The first step, complete core in core mold；
Second step, core are placed on above-mentioned puncher and punched, a diameter of core print seat minimum sectional area in hole
50% or so, punching depth is to leave cavity surface 5mm；
3rd, core is placed in a dry environment, stands 24 hours, have the function that dehumidifying, hardening；
4th step, core is put into casting mould, carries out casting aluminium liquid, while taken out what exhaust tube was placed to that second step beats
In stomata, core is evacuated, treats that aluminium liquid solidifies, completes whole casting cycle.
Preferably, the characteristics of considering core, punching depth is too shallow, and pumping effect is bad, and punching depth is too deep, core
It is again fragile, so the diameter general control in hole is in 50% or so that ABS is core print minimum sectional area, punching depth
Depending on core print situation, typically get to and leave cavity surface 5mm and be advisable.
As described above, a kind of casting air aspiration process of the present invention, has the advantages that：
It is difficult to solve the problems, such as that the abundant a kind of core of core molding structure complexity, core print seat is evacuated in casting.It is logical
Cross in abundant core print end punching, exhaust tube is extended into inside, increases the surface area of core negative pressure, improve pumping effect, carry
High yield quality.
Brief description of the drawings
Fig. 1 is shown as the structural representation of the core puncher of the embodiment of the present invention.
The structure of core positioner and core pressing device that Fig. 2 is shown as the core puncher of the embodiment of the present invention is shown
It is intended to.
Fig. 3 is shown as the structural representation of the core perforating device of the core puncher of the embodiment of the present invention.
Piece mark explanation
100 --- main body,
110 --- assistance platform,
120 --- main platform,
121 --- support bar,
122 --- bracing piece,
123 --- guide plate,
124 --- through hole,
200 --- core placement platform,
210 --- positioner,
211 --- locating dowel,
212 --- positioning seat,
220 --- pressing device,
221 --- motor mount,
222 --- rotation and lifting motor,
223 --- core latch,
300 --- perforating device,
310 --- puncher support frame,
311 --- drill bit motor,
320 --- guider,
321 --- sliding block,
322 --- guide rail,
323 --- motor,
324 --- power rail,
325 --- guide rod,
326 --- baffle plate,
327 --- rail groove,
328 --- support,
329 --- pulley,
330 --- drill bit combines,
331 --- drill bit motor,
332 --- drill bit,
333 --- link,
334 --- drill bushing,
400 --- core,
401 --- core print seat.
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
The core puncher that Fig. 1 is shown, including the main body 100 being made up of framework, the top of main body 100 are combined with replaceable
Core placement platform 200, the side of main body 100 is provided with perforating device 300.When work, core 400 is fixed on core and put
Put on platform 200, then two core print seats 401 of core 400 are punched by the perforating device 300 of both sides.
Main body 100 includes the assistance platform 110 of the left and right sides and the middle main platform 120 with certain altitude.To ensure
The intensity of main platform 120,4 support bars 121 of main platform 120 are strengthened supporting by bracing piece 122, and the bottom of bracing piece 122 is equal
It is arranged on assistance platform 110.The left and right sides of main platform 120 is provided with drill bit guide plate 123, by guide plate 123 to drill bit
Positioning is operated, avoids drill bit existence position from offseting, causes the skew of punch position.Guide plate 123 passes through vertical connection
Part is fixed in chassis body 100.Guide plate 123 is provided with through hole 124 so that drill bit passes through, wherein, provided with through hole 124
Drill bit guide plate 123 is vertical with drill bit, when avoiding bit operation, is interfered by drill bit guide plate 123.
The replaceable size of core placement platform 200 is consistent with main platform 120, and core placement platform uses spiral shell with main platform
The installation of silk fastening.The both ends of core placement platform 200 are provided with core positioner 210 and core pressing device 220.Core positions
Device 210 includes the locating dowel 211 set in core placement platform 200, and the position of locating dowel 211 and size are according on core 400
Hole position and size determine.Positioner 210 also includes the core positioning seat 212 for being arranged on the both ends of core placement platform 200, positioning
Seat 212 is arranged to groove-like, groove shapes and the form fit of core print seat 401 of core 400.Pass through the groove pair of positioning seat 212
Core 400 carry out it is spacing, ensure punching when, the position of the core print seat 401 of core 400 is fixed.With reference to shown in Fig. 3, core compresses dress
220 sides for being arranged on positioning seat 212 are put, fix motor mount 221, rotation and lifting motor 222, rotation successively from bottom to up
Lifting motor 222 is connected with core latch 223, by rotation and lifting motor 222 can drive core latch 223 rotate and on
Lower movement, sand core head seat 401 is compressed by core latch 223.
Perforating device 300 is provided with the assistance platform 110 of both sides, with reference to shown in Fig. 2, perforating device 300 includes one
Individual puncher support frame 310, guider 320 and drill bit combination 330.Guider 320 is set on puncher support frame 310,
Drill bit combination 330 is driven by guider 320 moves.Guider 320 mainly includes sliding block 321, guide rail 322, driving electricity
Machine 323, drill bit combination 330 mainly include drill bit motor 331 and drill bit 332.
The top of puncher support frame 310 is inclined design, is higher than close to the main side of platform 120 away from main platform 120 1
Side so that when bit operation, drill bit works upward.Puncher support frame 310 is set with the side of corresponding main platform 120 pacifies
Full distance.Inclined-plane is provided with guide rail 322, and guide rail 322 includes power rail 324 and guide rod 325, and sliding block 321 passes through power rail
324, the both sides of power rail 324 are respectively provided with a guide rod 325.The both-side ends of the track of power rail 324 and guide rod 325 are equal
Provided with the baffle plate 326 vertical with track.Power rail 324 is worm screw, is driven by worm gear, and turbine is connected with motor 323, this
The worm screw at place is threaded screw mandrel.The outer side edges of guide rod 325 are provided with rail groove 327, can also be arranged on inner side edge simultaneously.Silk
Bar band movable slider 321 moves, and the lower section of sliding block 321 is embedded in rail groove 327 by the fixed block 329 of support 328, pulley 329
It is interior.The weight of drill bit combination 330 is also shared by guide rod 325, avoids overweight causing screw mandrel flexural deformation.
The top of sliding block 321 is fixedly connected with the link 333 of L-type, and drill bit motor is fixedly connected with the inside of the vertical portion of L-type
331, the drill bushing 334 of drill bit motor 331 passes through link 333, fixed drill bit 332 on drill bushing 334.Drill bit 332
Axis, screw mandrel, guide rod 325 are parallel to each other.Drill bit motor 331 and sliding block 321 are arranged at the vertical portion of L-type link 333
The homonymy divided, safe distance is provided between the vertical portion and sliding block 321 of link 333.It is sliding by the safe distance of setting
When the drive drill bit of block 321 motor 331 moves in orbit, the vertical portion of link 333 first contacts with baffle plate 326, reaches sliding
The extreme higher position that block 321 moves up, increase the security of operation, avoid sliding block 321 from infinitely moving up disengaging guide rail, cause safe event
Barrier, meanwhile, it also avoid sliding block 321 and directly hit with baffle plate 326, the appearance defect for causing sliding block 321 to coordinate with screw mandrel.
Track 322 is provided with drill bit sliding block 321, and drill bit sliding block 321 can be along incline track under the drive of motor 323
322 movements.Drill bit motor 331 is fixedly connected with drill bit sliding block 321, drill bit motor 311 extends drill bit 332 and passes through link
333, drill bit motor 311 drives the rotation of drill bit 332 work.The axis of drill bit 332 is parallel with the inclined-plane of puncher support frame 310.
Motor 323 drives screw mandrel to rotate, and sliding block 321 drives drill bit motor 331 to be moved on screw mandrel, the work of drill bit 332
Punch.
The use step of puncher takes sand away including placement core 400, clamping core 400, punching, drill bit reset, release
Core 400.
One kind casting air aspiration process, including：
The first step, complete core 400 in core mold；
Second step, core 400 are placed on above-mentioned puncher and punched, a diameter of core print seat minimum sectional area in hole
50% or so, punching depth is to leave cavity surface 5mm；.The characteristics of in view of core, punching depth is too shallow, and pumping effect is bad,
It is too deep to punch depth, core is again fragile, so the diameter general control in hole is core print minimum sectional area in ABS
50% or so, punching depth is typically got to depending on core print situation and leaves cavity surface 5mm and be advisable.
3rd, core 400 is placed in a dry environment, stands 24 hours, have the function that dehumidifying, hardening；
4th step, core 400 is put into casting mould, carries out casting aluminium liquid, while exhaust tube is placed to second step and beaten
Aspirating hole in, core 400 is evacuated, treat aluminium liquid solidify, complete whole casting cycle.
Using the puncher and its technique of the present embodiment, 1000 products are counted, because this punching is to be used for water jacket boring cover
Near hole, so the defects of around statistics boring cover hole, the shrinkage cavity defect around boring cover hole becomes to improve from 23 before improvement
Afterwards 1.Percent defective reduces by 2.2%.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (4)
1. a kind of core puncher, punched for sand core head seat, it is characterised in that put including chassis body, replaceable core
Platform, perforating device are put, replaceable core placement platform is set in the chassis body, core is fixed in the core placement platform,
The core placement platform both sides are provided with perforating device, and sand core head seat is punched by the perforating device；
The both ends of the core placement platform are provided with core positioner and core pressing device；The perforating device includes puncher
Support frame, guider and drill bit are combined, and the guider is set on the puncher support frame, and the drill bit combination passes through
The guider drives movement；
The guider includes sliding block, guide rail, motor, and the drill bit combination includes drill bit motor and drill bit, the drive
Dynamic motor driven sliding block is moved on guide rail, and drill bit motor and drill bit are fixed on sliding block, and drill bit moves with sliding block；The punching
The top of machine support frame is inclined inclined design, is higher than close to the core placement platform side away from core placement platform side,
Puncher support frame and the side of core placement platform set safe distance；
The inclined-plane is provided with power rail and guide rod, and the sliding block passes through power rail, and the both sides of the power rail are respectively provided with one
Individual guide rod；
The outer side edges of the guide rod are provided with rail groove, and the lower section of sliding block is by support fixed block, described in the pulley insertion
In rail groove；
The power rail is worm screw, is driven by worm gear, and the worm gear is connected with the motor；The power rail and lead
The baffle plate vertical with track is equipped with to the both-side ends of the track of bar；The link of L-type is fixedly connected with above the sliding block,
It is fixedly connected with drill bit motor on the inside of the vertical portion of L-type, the drill bushing of drill bit motor passes through link, on drill bushing
Fixed drill bit；Axis, screw mandrel, the guide rod of drill bit are parallel to each other；The drill bit motor and sliding block are arranged at L-type link
The homonymy of vertical portion, safe distance is provided between the vertical portion and sliding block of link；The left and right two of the chassis body
Side is provided with drill bit guide plate, and guide plate is fixed in chassis body by vertical coupling part, and the drill bit passes through guide plate.
2. core puncher according to claim 1, it is characterised in that the core positioner includes locating dowel and determined
Position seat, described in the locating dowel scattering device in core placement platform, the positioning seat is arranged on the core placement platform both ends, institute
State the core print seat form fit that positioning seat is groove-like, groove and core.
3. core puncher according to claim 2, it is characterised in that the core pressing device is arranged on the positioning
The side of seat, the core pressing device fix motor mount, rotation and lifting motor, the rotation and lifting successively from bottom to up
Motor is connected with core latch, by the rotation and lifting motor core latch can be driven to rotate and move up and down,
Sand core head seat is compressed by the core latch.
4. one kind casting air aspiration process, it is characterised in that comprise the following steps：
The first step, complete core in core mold；
Second step, core are placed on claim 1 and punched to any described puncher of claim 3, the diameter in hole
For 50% or so of core print seat minimum sectional area, punching depth is leaves cavity surface 5mm；
3rd, core is placed in a dry environment, stands 24 hours, have the function that dehumidifying, hardening；
4th step, core is put into casting mould, carries out casting aluminium liquid, while exhaust tube is placed to the aspirating hole that second step beats
It is interior, core is evacuated, treats that aluminium liquid solidifies, completes whole casting cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610349679.4A CN105880483B (en) | 2016-05-24 | 2016-05-24 | A kind of core puncher and a kind of casting air aspiration process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610349679.4A CN105880483B (en) | 2016-05-24 | 2016-05-24 | A kind of core puncher and a kind of casting air aspiration process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105880483A CN105880483A (en) | 2016-08-24 |
| CN105880483B true CN105880483B (en) | 2018-03-23 |
Family
ID=56717224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610349679.4A Active CN105880483B (en) | 2016-05-24 | 2016-05-24 | A kind of core puncher and a kind of casting air aspiration process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105880483B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842795B (en) * | 2020-06-16 | 2021-12-14 | 四川南部宏昊铸造有限公司 | Cylinder cover water jacket sand core drilling equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201244869Y (en) * | 2008-06-16 | 2009-05-27 | 天津新伟祥工业有限公司 | Perforating tool of cast sand core head punch |
| CN201357208Y (en) * | 2009-02-23 | 2009-12-09 | 宁波合力模具科技股份有限公司 | Hole drilling mechanism of sand core vent hole for casting |
| WO2012165181A1 (en) * | 2011-06-03 | 2012-12-06 | 新東工業株式会社 | Core sand filling device and core sand filling method in core making machine |
| CN203900394U (en) * | 2014-06-12 | 2014-10-29 | 华东泰克西汽车铸造有限公司 | Automatic gas vent punching device for base core of automobile engine cylinder block |
| CN204470538U (en) * | 2015-03-05 | 2015-07-15 | 丰田工业(昆山)有限公司 | A kind of core steam vent puncher |
| CN205763673U (en) * | 2016-05-24 | 2016-12-07 | 上海皮尔博格有色零部件有限公司 | A kind of core puncher |
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2016
- 2016-05-24 CN CN201610349679.4A patent/CN105880483B/en active Active
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| Publication number | Publication date |
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| CN105880483A (en) | 2016-08-24 |
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Address after: 1288 Xingxian Road, Jiading Industrial Zone, Shanghai, 201800 Patentee after: Huayu Pilberg Nonferrous Components (Shanghai) Co., Ltd. Address before: 201815 1288 Xingxian Road, Jiading Industrial Zone, Jiading District, Shanghai Patentee before: KOLBENSCHMIDT PIERBURG SHANGHAI NONFERROUS COMPONENTS CO., LTD. |