CN104057037A - Hand-molding pattern drawing machine - Google Patents

Hand-molding pattern drawing machine Download PDF

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Publication number
CN104057037A
CN104057037A CN201410193379.2A CN201410193379A CN104057037A CN 104057037 A CN104057037 A CN 104057037A CN 201410193379 A CN201410193379 A CN 201410193379A CN 104057037 A CN104057037 A CN 104057037A
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CN
China
Prior art keywords
pattern drawing
cylinder
piston
guide
drawing machine
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Granted
Application number
CN201410193379.2A
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Chinese (zh)
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CN104057037B (en
Inventor
高宗为
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Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
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Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
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Priority to CN201410193379.2A priority Critical patent/CN104057037B/en
Publication of CN104057037A publication Critical patent/CN104057037A/en
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Publication of CN104057037B publication Critical patent/CN104057037B/en
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Abstract

The invention discloses a hand-molding pattern drawing machine. The hand-molding pattern drawing machine comprises supports, a cylinder, a piston, a pattern drawing bracket, a hanging hook, a guide column and a calibrating bottom plate, wherein the outer wall of the cylinder is fixed on the supports; an oil outlet connector and an oil inlet connector are formed in the upper part and the lower part of the side wall of the cylinder, respectively; the piston is arranged in the cylinder and is of an inverted T shape; the lower end of the piston is hermetically matched with the inner wall of the cylinder; the lower end of the piston slides between the oil inlet connector and the oil outlet connector; a bulge is formed on the outer wall of the cylinder; a guide hole is formed in the bulge; a cylinder cover hermetically covers an upper opening of the cylinder; the upper end of the piston slidably penetrates through the cylinder cover; the outer end of the piston is fixedly connected with the pattern drawing bracket; the pattern drawing bracket is positioned above the cylinder cover and is hinged to the hanging hook; a guiding hole is further formed in the pattern drawing bracket; the guiding hole and the guide hole in the bulge of the cylinder are positioned in the same vertical straight line; the guide column slidably stretches into the guiding hole; the lower end of the guide column is connected with the calibrating bottom plate. According to the hand-molding pattern drawing machine, the hoisting force of a pattern is perpendicular to a pattern drawing mechanism of a parting surface, and the pattern can move in the direction perpendicular to the parting surface.

Description

Hand moulding apperance pattern drawing machine
Technical field
The invention belongs to Casting Equipment manufacturing technology field, be specifically related to a kind of casting hand moulding pattern drawing mechanism, when this mechanism can ensure after molding sand sclerosis apperance molding, make apperance steadily and moving direction perpendicular to the accurate molding of mold parting surface.
Background technology
Manual common moulding is a kind of die cavity preparation method being most widely used in current Foundry Production, mold and pattern for casting sample is first made in its technological operation, when moulding, (see Fig. 1), it is that baffle plate 4 ' is upper that apperance 2 ' is placed on to moulding board, after cover cope 1 ', puts into molding sand 3 ', the tight molding sand of pounding in sandbox, molding sand occurs to be bonded to an entirety after chemistry or physical change in sandbox, then mould turnover molding (seeing Fig. 2), forms sand mold, and process operations as shown in Figure 1, 2.
Referring to Fig. 2, die cavity 5 ' surface quality and Accuracy surface quality of continuous castings and precision, can find out from the operational sequence of moulding, and the principal element that affects mold cavity surface quality is molding sand quality, apperance precision and surface quality and molding operating process.At present when general hand moulding because product is few in batches, sandbox and the frock of hand moulding are simple, when molding, there is no special mechanism, moulding personnel beat the loosening rear molding gradient that relies on apperance itself by apperance left and right and directly apperance are hung to die cavity, in a mold process, because lifting is not steady, be difficult to ensure that apperance leaves from die joint vertical direction, cause all likely damages of working surface of mould cavity and die surface thereby can cause die cavity side and mould to bump.
Modern sand casting technology adopts the Chemical Felter such as water-glass sand and resin sand sand mold more and more, this molding sand makes Modeling precision higher because intensity is high, but molding sand is also large more than traditional clay-bonded sand to the enclasping force of apperance, from and brought also very large problem of the repair amount of the medium-sized chamber of mold process damaging, this is the technical barrier that modern casting and molding is produced.
Summary of the invention
The present invention operates according to above-mentioned existing hand moulding the realistic problem running into a kind of pattern drawing mechanism of apperance lifting force perpendicular to die joint that ensure is provided, and this pattern drawing mechanism can ensure that apperance moves perpendicular to die joint; This pattern drawing mechanism is to having versatility in apperance structure and the size set in size range, can not be subject to apperance structure and big or small impact.In addition, it is steady that this pattern drawing mechanism can also ensure that apperance plays mold process, and apperance does not have side blow power to profile.
The present invention solves the problems of the technologies described above taked technical scheme: hand moulding apperance pattern drawing machine, comprise: support, cylinder body, piston, pattern drawing bracket, suspension hook, guide pillar and correction base plate, outer wall of cylinder block is fixed on support, cylinder side wall top and the bottom respectively have oil out port, oil-feed interface, the built-in piston of cylinder body, piston is inverted T-shaped, and lower end and the inboard wall of cylinder block of piston are sealed and matched, and the sliding scale of piston lower end is between oil-feed interface and oil out port; Outer wall of cylinder block forms protuberance, and this protuberance has guide hole; Cylinder body sealing suitable for reading covers cylinder cap, and piston upper end is slidably through cylinder cap; The affixed pattern drawing bracket in piston outer end, pattern drawing bracket is on cylinder cap; The hinged suspension hook of pattern drawing bracket, pattern drawing bracket also forms pilot hole, and the guide hole of this pilot hole and cylinder body protuberance is in same vertical lines, and the guide pillar that stretches through slidably, and guide pillar lower end connects proofreaies and correct base plate.
Preferably, support and comprise two cover movable supporting, two cover movable supporting are laid in both sides symmetrically, every cover movable supporting comprises supporting linkage, two adjusting bolts and two back-up blocks, back-up block is Fang Tizhuan, at right angle setting adjusting bolt on back-up block, and locking nut spins in adjusting bolt; The epimere of adjusting bolt, through wherein one end of supporting linkage, is slidably matched between the two, and this end of supporting linkage is held on locking nut.
Further preferred, the supporting linkage of both sides parallels, and the rectangular shape of four back-up blocks is laid.
Further preferred, establish two chute of bases, chute of base forms guide groove along its length, and each supporting linkage vertically crosses the guide groove of a chute of base, and can in guide groove, slide; The inner of two chute of bases is all fixedly connected on the outer wall of cylinder body.
Preferably, between the suitable for reading and cylinder cap of cylinder body, sealing ring is housed.
Preferably, cylinder cap is bolted assembly and is fixedly connected with cylinder body.
Preferably, the inwall contact site of piston and cylinder body assembles the second sealing ring.
Preferably, the pilot hole of pattern drawing bracket packs slide-and-guide cover into, and slide-and-guide cover is slidably matched with guide pillar.
Preferably, the guide hole of cylinder body packs the second slide-and-guide cover into, and the second slide-and-guide cover is slidably matched with guide pillar.
Preferably, pattern drawing bracket is connected with suspension hook by hinge.
Preferably, guide pillar and the aligning gear of proofreading and correct base plate composition can be one, two or more.
Hand moulding apperance pattern drawing machine of the present invention comprises pattern drawing bracket, guiding correcting block and movable supporting etc., and movable supporting is slided in chute of base by supporting linkage to form to be flexibly connected and supported, to be applicable to the cast pattern within the scope of difformity and certain size.Pattern drawing bracket overlaps by slide-and-guide respectively with oil cylinder and slides up and down and coordinate with the guide pillar of guiding correcting block, the correction base plate of guiding correcting block is adjacent to and engages with apperance die joint, the guide pillar of proofreading and correct base plate due to guiding is vertical with correction bottom surface, when pattern drawing machine work, cast pattern is aided with other instrument by suspension hook and is connected on draw arm, thereby while making molding work, draw arm drives apperance to move along the guide pillar of guiding correction base plate all the time, the bottom surface corrective action that guiding is proofreaied and correct base plate can ensure that again apperance is in integral level, play in mold process apperance not because molding force unbalance rocks, ensure that mold process makes apperance depart from the molding sand of holding tightly perpendicular to apperance die joint direction reposefully, reach the object that mold process does not damage die cavity sand face and apperance, simultaneously owing to playing mold process accurately vertically upward, can reduce apperance pattern draft, thereby raising casting accuracy.
Brief description of the drawings
Fig. 1 is the moulding figure of prior art hand moulding.
Fig. 2 is the mould turnover molding figure of prior art hand moulding.
In Fig. 1,2,1 '-sandbox, 2 '-apperance, 3 '-molding sand, 4 '-baffle plate, 5 '-die cavity.
Fig. 3 is the three-dimensional structure diagram of hand moulding apperance pattern drawing machine of the present invention.
Fig. 4 is the plan structure figure of hand moulding apperance pattern drawing machine of the present invention.
Fig. 5 is the A-A cutaway view of Fig. 4.
Fig. 6 is the B-B cutaway view of Fig. 4.
In Fig. 3-6,1-pattern drawing bracket, 2-cylinder cap, 3-sealing device, 4-bolt connection assembly, 5-cylinder body, 6-piston, 7-suspension hook, 8-suspension hook hinge, 9-guide pillar, 10-fairlead, 11-fairlead, 12-proofread and correct base plate, 13-apperance, 14-molding sand, 15-support platform, 16-back-up block, 17-adjusting bolt, 18-locking nut, 19-slip channel bar, 20-supporting linkage.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is elaborated.
Referring to Fig. 3-6, the present embodiment hand moulding apperance pattern drawing machine, its structure is as follows:
It has two cover movable supporting, and four stable strong points of formation, two cover movable supporting are laid in both sides symmetrically, every cover movable supporting comprises supporting linkage 20, two adjusting bolts 17 and two back-up blocks 16, back-up block 16 is Fang Tizhuan, it is placed on support platform 15, at right angle setting bolt 17 on back-up block 16, and locking nut 18 spins on bolt 17.The epimere of bolt 17, through one end of supporting linkage 20, is slidably matched between the two, and this end of supporting linkage 20 is held on locking nut 18, regulates the height of supporting linkage 20 by adjusting lock nut 18 height.The supporting linkage 20 of both sides parallels, and the rectangular shape of four back-up blocks 16 is laid.
Chute of base 19 forms guide groove 19-1 along its length, and supporting linkage 20 vertically crosses the guide groove 19-1 of chute of base 19, and can in guide groove, slide, thereby can regulate supporting point position and support distances.
By the movement of movable supporting, can regulate arbitrarily within the specific limits Support Position, to be applicable to different mould structures and production environment.
The inner of both sides chute of base 19 is all fixedly connected on the outer wall of cylinder body 5 (in the present embodiment, both sides chute of base 19 is integrated with cylinder body 15), in cylinder body 5, insert the oil cylinder piston 6 that can slide up and down, oil cylinder piston is inverted T-shaped, the lower end of oil cylinder piston 6 coordinates with the inwall liquid sealing of cylinder body 5, the sliding scale of its lower end is between the oil-feed interface and oil out port of cylinder body 5, and oil cylinder piston 6 can fitting tight ring with the inwall contact site of cylinder body 5.The end opening sealing of cylinder body 5, sealing suitable for reading covers cylinder cap 2, and sealing ring 3 is equipped with in both assemblings place.Cylinder cap 2 is bolted assembly 4 and is fixedly connected with cylinder body 5, and the upper end of oil tank piston 6 through cylinder cap 5, is sealed and matched slidably between the two.The upper end of oil cylinder piston 6 is fixedly connected with pattern drawing bracket 1 (in the present embodiment, oil cylinder piston 6 is a shape body with pattern drawing bracket 1).The upper end of pattern drawing bracket 1 is (being outside cylinder body 5) on cylinder cap 2.
The sidewall of oil cylinder 5 also has oil-feed interface 5-1 and oil out port 5-2, and oil-feed interface 5-1 is in bottom, and oil out port 5-2 is in top, and the scope that slides up and down of oil tank piston 6 lower ends is the spacing of this two interface.
The sidewall of oil cylinder 5 also convex forms a guide part 5-3, and this guide part has vertical hole, packs slide-and-guide cover 11 in hole into.
Opposite end 1-1, the 1-2 of pattern drawing bracket 1 is separately installed with movable hook 7, slide-and-guide cover 10, one end 1-1 is connected with movable hook 7 by hinge 8, other end 1-2 offers a hole, this hole packs slide-and-guide cover 10 into, this slide-and-guide cover 10 on slide-and-guide cover 11, and both guide holes in same vertical lines.
Two slide-and-guides covers 10,11 guide pillar 9 that stretched through, guide pillar 9 is slidably connected with two fairleads 11 formation.The lower end of guide pillar 9 connects proofreaies and correct base plate 12, during fabrication, should ensure to proofread and correct base plate with guide pillar has higher perpendicularity, ensures the direction slip that pattern drawing bracket is proofreaied and correct base plate perpendicular to guiding in the time of molding.
When use, mobile movable supporting connecting rod, is placed on back-up block on sandbox edge or other supporting surfaces, regulate the height of back-up block by the adjusting bolt on back-up block and locking nut, make four strong points on a plane, now suspension hook is in tensioning state, and pattern drawing bracket is in upper/lower positions.
By (not shown in the figures to the oil-feed interface of cylinder body 5 and Manual plunger type gasoline pump; buyable or self-control) flowline be communicated with by high-pressure oil pipe; the oil out port of cylinder body 5 is communicated with the fuel tank of gasoline pump, provides molding power by hand piston pump, to form hydraulic pressure pattern drawing machine.The bottom surface of proofreading and correct base plate 12 is affixed on the die joint of apperance 13.Suspension hook 7 is connected with apperance 13 by steel wire rope.
Hand-operated gasoline pump rocking bar, piston, under the pressure-acting of hydraulic oil, and then makes pattern drawing bracket drive apperance 13 to move up along guide pillar by fairlead by suspension hook, completes molding.Apperance is being proofreaied and correct under the effect of base plate, all the time vertical with guide pillar, can ensure that apperance molding is with joint efforts perpendicular to apperance die joint, apperance moving direction is perpendicular to apperance die joint, apperance plays mold process mould and does not rock and shake, and molding is steady, does not damage sand mold 14, can reduce apperance molding gradient, thereby improve casting accuracy.After separating with molding sand, apperance mould can be left to die cavity with other instrument.
Hand moulding apperance pattern drawing mechanism of the present invention, by varying sized, may form a series of products for the apperance of different sizes.
Operation operation instruction:
Adopt above-described embodiment pattern drawing machine, it plays mold process and is:
1, apperance 13 is connected with the suspension hook 7 on pattern drawing bracket by instrument, or mould is directly connected with suspension hook 7 by hitcher.
2, pattern drawing machine is placed on the die joint of apperance 13 (seeing Fig. 6); guiding is proofreaied and correct base plate 12 and mold parting surface laminating; correction base plate 12 with the correcting block that ensured to lead in mold process contacts with apperance die joint all the time, ensures that apperance and parting direction are in plumbness.
3, mobile movable supporting connecting rod 20 is placed on four back-up blocks 16 in a suitable support platform 15.
4, regulate the adjusting bolt 17 of movable supporting, adjust the bearing height of back-up block 16, make pattern drawing machine suspension hook 7 in tensioning state, simultaneously by four strong points in a plane, now molding travel mechanism and apperance die joint are in plumbness.
5, operation manual plunger gasoline pump, makes the fairlead 10 on pattern drawing bracket move up along the guide pillar of guiding correcting block, completes molding thereby make apperance 13 leave molding sand 14.
Above the preferred embodiments of the present invention are had been described in detail, for those of ordinary skill in the art, according to thought provided by the invention, in detailed description of the invention, will change, and these changes also should be considered as protection scope of the present invention.

Claims (10)

1. hand moulding apperance pattern drawing machine, it is characterized in that comprising: support, cylinder body, piston, pattern drawing bracket, suspension hook, guide pillar and correction base plate, outer wall of cylinder block is fixed on support, cylinder side wall top and the bottom respectively have oil out port, oil-feed interface, the built-in piston of cylinder body, piston is inverted T-shaped, and lower end and the inboard wall of cylinder block of piston are sealed and matched, and the sliding scale of piston lower end is between oil-feed interface and oil out port; Outer wall of cylinder block forms protuberance, and this protuberance has guide hole; Cylinder body sealing suitable for reading covers cylinder cap, and piston upper end is slidably through cylinder cap; The affixed pattern drawing bracket in piston outer end, pattern drawing bracket is on cylinder cap; The hinged suspension hook of pattern drawing bracket, pattern drawing bracket also forms pilot hole, and the guide hole of this pilot hole and cylinder body protuberance is in same vertical lines, and the guide pillar that stretches through slidably, and guide pillar lower end connects proofreaies and correct base plate.
2. hand moulding apperance pattern drawing machine as claimed in claim 1, it is characterized in that: described support comprises two cover movable supporting, two cover movable supporting are laid in both sides symmetrically, every cover movable supporting comprises supporting linkage, two adjusting bolts and two back-up blocks, back-up block is Fang Tizhuan, at right angle setting adjusting bolt on back-up block, locking nut spins in adjusting bolt; The epimere of adjusting bolt, through wherein one end of supporting linkage, is slidably matched between the two, and this end of supporting linkage is held on locking nut.
3. hand moulding apperance pattern drawing machine as claimed in claim 2, is characterized in that: the supporting linkage of both sides parallels, and the rectangular shape of four back-up blocks is laid.
4. hand moulding apperance pattern drawing machine as claimed in claim 2 or claim 3, is characterized in that: establish two chute of bases, chute of base forms guide groove along its length, and each supporting linkage vertically crosses the guide groove of a chute of base, and can in guide groove, slide; The inner of two chute of bases is all fixedly connected on the outer wall of cylinder body.
5. hand moulding apperance pattern drawing machine as claimed in claim 1, is characterized in that: between the suitable for reading and cylinder cap of cylinder body, sealing ring is housed.
6. the hand moulding apperance pattern drawing machine as described in claim 1 or 5, is characterized in that: cylinder cap is bolted assembly and is fixedly connected with cylinder body.
7. the hand moulding apperance pattern drawing machine as described in claim 1 or 5, is characterized in that: the inwall contact site of piston and cylinder body assembles the second sealing ring.
8. hand moulding apperance pattern drawing machine as claimed in claim 1, is characterized in that: the pilot hole of pattern drawing bracket packs slide-and-guide cover into, and slide-and-guide cover is slidably matched with guide pillar.
9. the hand moulding apperance pattern drawing machine as described in claim 1 or 8, is characterized in that: the guide hole of cylinder body packs the second slide-and-guide cover into, and the second slide-and-guide cover is slidably matched with guide pillar.
10. the hand moulding apperance pattern drawing machine as described in claim 1 or 8, is characterized in that: pattern drawing bracket is connected with suspension hook by hinge.
CN201410193379.2A 2014-05-08 2014-05-08 Hand moulding apperance pattern drawing machine Expired - Fee Related CN104057037B (en)

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CN104057037B CN104057037B (en) 2016-02-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105344948A (en) * 2015-09-29 2016-02-24 荣昌县金益铸业有限公司 Casting drawing device and drawing method thereof
CN111014575A (en) * 2019-12-10 2020-04-17 北京百慕航材高科技有限公司 Mold and casting apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58205645A (en) * 1982-05-24 1983-11-30 Sintokogio Ltd Removing method of core fins
CN101758166A (en) * 2009-11-12 2010-06-30 无锡锡南铸造机械有限公司 Large drawing and overturning molding box closer
CN102126268A (en) * 2010-01-15 2011-07-20 浙江凯华模具有限公司 Demoulding mechanism of integrally molded plastic square table mould
CN102990017A (en) * 2011-06-28 2013-03-27 龙口市大川活塞有限公司 Swing-arm manipulator
CN203778713U (en) * 2014-05-08 2014-08-20 浙江机电职业技术学院 Pattern drawing machine of manual modeling mold

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58205645A (en) * 1982-05-24 1983-11-30 Sintokogio Ltd Removing method of core fins
CN101758166A (en) * 2009-11-12 2010-06-30 无锡锡南铸造机械有限公司 Large drawing and overturning molding box closer
CN102126268A (en) * 2010-01-15 2011-07-20 浙江凯华模具有限公司 Demoulding mechanism of integrally molded plastic square table mould
CN102990017A (en) * 2011-06-28 2013-03-27 龙口市大川活塞有限公司 Swing-arm manipulator
CN203778713U (en) * 2014-05-08 2014-08-20 浙江机电职业技术学院 Pattern drawing machine of manual modeling mold

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105344948A (en) * 2015-09-29 2016-02-24 荣昌县金益铸业有限公司 Casting drawing device and drawing method thereof
CN111014575A (en) * 2019-12-10 2020-04-17 北京百慕航材高科技有限公司 Mold and casting apparatus
CN111014575B (en) * 2019-12-10 2021-12-10 北京航空材料研究院有限公司 Mold and casting apparatus

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