CN103317104A - Hydraulic servo control full-automatic clay sand molding machine - Google Patents

Hydraulic servo control full-automatic clay sand molding machine Download PDF

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Publication number
CN103317104A
CN103317104A CN 201210079899 CN201210079899A CN103317104A CN 103317104 A CN103317104 A CN 103317104A CN 201210079899 CN201210079899 CN 201210079899 CN 201210079899 A CN201210079899 A CN 201210079899A CN 103317104 A CN103317104 A CN 103317104A
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China
Prior art keywords
sand
cylinder
sandbox
template
oil cylinder
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CN 201210079899
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Chinese (zh)
Inventor
郭铁虎
党建军
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SHANXI FANGSHENG HYDRAULIC AND ELECTRICAL EQUIPMENT CO Ltd
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SHANXI FANGSHENG HYDRAULIC AND ELECTRICAL EQUIPMENT CO Ltd
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Priority to CN 201210079899 priority Critical patent/CN103317104A/en
Publication of CN103317104A publication Critical patent/CN103317104A/en
Pending legal-status Critical Current

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Abstract

A double-station hydraulic servo control full-automatic horizontal flask-parting clay sand molding machine belongs to the field of casting machinery equipment, and is used for a molding sand manufacture with a wet type physical hardening sand mold casting process. The molding machine comprises a high strength machine frame composed by a top beam, a side upright plate and a base. The machine frame is successively provided with a sand shooting mechanism, a box poking mechanism, a compaction mechanism, a overturning elevating mechanism, a platform rotary mechanism and a jointing type mechanism, and an integrated full-automatic molding machine is constructed by the machine frame, a hydraulic system, an air path system, a centralized lubrication system and an electrical control system. Sand box compaction plates are designed as a three-layer combination structure, and a compaction plate sealing ring adopts a hydraulic stretchable sealing ring. The sealing ring has good sealing performance and service life, so when the machine is in operation, only little sand powder leaks. An overturning oil cylinder of the molding machine is controlled by a hydraulic servo control technology, so that during an overturning process, sand boxes can perform slow start, fast motion, slow stop, and precise positioning according to position signals, nonoccurrence of sand mold collapse and sand mold deformation can be ensured in the premise of high-speed operation of the sand boxes, and the finished product rate of the sand mold production is ensured.

Description

Hydraulic servo is controlled full-automatic clay-bonded sand moulding machine
Technical field
The present invention relates to a kind of Casting Equipment of Machine, the full-automatic water that is specially a kind of servo apply hydraulic pressure control is divided case clay-bonded sand moulding machine equally.Be mainly used in the making of foundry clay sand sand mold.
Background technology
Clay-bonded sand metal casting moulding is one of main production method of machine components blank, is widely used in machine building industry, and occupies critical role.
Wherein the making of clay-bonded sand sand mold is one of key link in the castings production technical process, the making quality of sand mold is directly connected to quality and the yield rate of foundry goods, to improving casting quality, reduce casting cost and play vital effect, developed countries has been developed all kinds of high-end automatic molding machines for this formative technology, this class machinery has advantages of that production efficiency is high, steady quality, energy-conserving and environment-protective, prices are rather stiff but because of it, maintenance difficulties is large, is difficult to promote the use of in common customer.The most domestic foundry enterprise is still using technique jolt-squeeze machine simple, backward in technique or squeeze molding machine to carry out the sand mold making, sand-mould quality poor stability, the equipment running noises made are high, labour intensity is large, production efficiency is low, environmental pollution is heavy, and domestic casting industry is badly in need of high-end automatic molding machine and is replaced the existing mo(u)lding equipment that falls behind.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, designed a kind of hydraulic servo and controlled full-automatic clay-bonded sand moulding machine.
A kind of hydraulic servo is controlled full-automatic clay-bonded sand moulding machine, comprise the frame that is formed by upper beam, cant board and base, between vertical plates on both sides, be provided with switching mechanism, on frame, be equipped with successively and penetrate sand mechanism, punch-out equipment structure, system for compacting, hoisting mechanism, slew gear and meet type mechanism, it is characterized in that the described sand mechanism of penetrating is by comprising a sand shot tank, two sand-shooting heads are arranged penetrating sand tank bottom, a sand-shooting head lift cylinder is controlled the lifting of described sand-shooting head, and the sand door flashboard cylinder that sand door flashboard and control sand door flashboard open and close is installed on the top of penetrating the sand tank; Described punch-out equipment structure is one and discloses the case oil cylinder; Described system for compacting comprise lower compacting servo-cylinder and place the lower squeeze board of described oil cylinder end, and the upper compacting servo-cylinder that be oppositely arranged and the upper squeeze board that place this oil cylinder end coaxial with lower compacting servo-cylinder, also be provided with at the end face of upper squeeze board and water the cap rod; Described hoisting mechanism comprises two guide pillars, be fixed on cope and drag box on the guide pillar by guide ring, described cope is connected respectively top box Shift cylinder, nowel Shift cylinder with drag box, realizes mould assembling and the die sinking of cope and drag box by described top box Shift cylinder and nowel Shift cylinder; Described switching mechanism by the turning device oil cylinder realize 90 ° clockwise/rotate counterclockwise, described turning device oil cylinder is hydraulic servo oil cylinder; Described slew gear comprises two concentric shafts that connect together, on two axles, be fixed with respectively sandbox revolving dial and template frame rotating mechanism, described sandbox revolving dial comprises two drag boxs that are mutually 180 ° of settings, be installed with the shaft gear that is meshed with the rotary motor gear in the platform bottom, described template frame rotating mechanism comprises a template frame that is fixed on the rotary cylinder of rotating shaft bottom and places rotating shaft top; The described type mechanism that connects is by connecing template and place the type that the connects cylinder that connects the template bottom to form, and the sandbox that connects template and connect type cylinder and top is on the same central axis.
Described hydraulic servo is controlled full-automatic clay-bonded sand moulding machine, it is characterized in that the sandbox squeeze board is the three stacked structures that add, wherein higher high side plate and the middle lower clamping plate in both sides form a groove, be embedded in the hollow type flexible rubber circle that is formed by the macromolecular material manufacturing at groove, be fixed with the V-type back-up ring between rubber ring both sides and two high side plates.
The present invention solves the technical scheme that its technical problem takes: 1, the sandbox squeeze board has adopted hollow hydraulic expansion and shrinkage type sealed element.The sealing element has high mechanical strength, high antiwear characteristic, high service life, high sealing reliability.2, utilize servo control technique to drive overturning oil cylinder, upper and lower sandbox is carried out the revolution of 90 degree in horizontal and vertical directions, guarantee that sandbox is accomplished slowly to open, slowly stopped, precise positioning in switching process, sandbox location not occuring impact that the sand mold that causes collapses and the sand mold distortion, has guaranteed the yield rate that sand mold is made.The invention has the beneficial effects as follows: the mechanical part motion of this moulding machine is fast, accurate positioning, and leaking without sand mold has characteristics energy-efficient, environmental protection.The sand mold compactability of this moulding machine made is high and even simultaneously, and is low with its casting wasted product rate of casting out, good looking appearance, and geometric accuracy is high.
Description of drawings
Fig. 1 is minute mould state that lateral junction composition-sandbox of the present invention is horizontal.
Fig. 2 is vertical structure figure of the present invention.
Fig. 3 is the squeeze board structural representation.
1-sand door flashboard among the figure, 2-sand door flashboard cylinder, 3-penetrates the sand tank, 4-sand-shooting head lift cylinder, 5-sand-shooting head, 6-are disclosed the case oil cylinder, compacting servo-cylinder under the 7-, squeeze board under the 8-, the upper compacting servo-cylinder of 9-, the upper squeeze board of 10-, 11-waters the cap rod, 12-V type back-up ring, 13-turning device oil cylinder, 14-guide pillar, 15-cope, the 16-drag box, 17-template frame, 18-template, 19-sandbox revolving dial, the 20-rotary motor, 21-connects template, 22-connects the template cylinder, 23-template frame rotary oil cylinder, 24-flexible rubber circle, 25-nowel Shift cylinder, 26-top box Shift cylinder, 27-pushes away the type oil cylinder, the high side plate of 28-, 29-clamping plate, 30-rotating shaft, 31-puts the beams in place, the 32-cant board, 33-base, 34-displacement transducer.
The specific embodiment
Shown in Figure 1: as to have consisted of high strength frame by upper beam 31, base 33 with two cant boards 32 of centre.Vertically be fixed with at 31 the top of putting the beams in place and disclose case oil cylinder 6.Be equipped with on the right side of disclosing the case oil cylinder by penetrating sand tank 3, sand door flashboard 1 and sand door flashboard cylinder 2 form penetrates sand mechanism, is equipped with the sand-shooting head lift cylinder 4 of control sand-shooting head 5 liftings in penetrating the sand tank.Described penetrating stores molding sand in the sand tank and molding sand poured in the sandbox at a high speed under compressed-air actuated effect.The left side horizontal level of upper beam 31 is equipped with lower compacting servo-cylinder 7, and its head is connected with lower squeeze board 8, and lower squeeze board can be along the guide pillar side-to-side movement under the driving of lower compacting oil cylinder.With the position of lower compacting oil cylinder symmetry, at the right side horizontal level of putting the beams in place compacting servo-cylinder 9 is installed, its head is installed squeeze board 10 and is watered cap rod 11, waters cap rod 11 and reserves dead head for the molding sand compacting process in the sand mold side.
The inside middle of two cant boards is equipped with table vertical inversion mechanism between upper beam 31 and base 33, can drive upper and lower sandbox and carry out 90 degree upsets.The front of above-mentioned switching mechanism arranges two accurate guide pillars 14, cope 15 and drag box 16 are fixed on the guide pillar 14 by the guide ring of side, drive by nowel Shift cylinder 25 and the top box Shift cylinder 26 that is installed in the guide pillar inboard, move up and down along guide pillar, realize mould assembling and the die sinking process of sandbox.
Base 33 is positioned at the bottom of frame, with two cant board welding, be equipped with at base and meet type mechanism, the above-mentioned type mechanism that connects forms by connecing template 21 and connecing template cylinder 22, the type cylinder of connecing vertically arranges, and is on the same central axis with the sandbox of top, when the sand mold of moulding is disclosed in the sandbox, connect template 21 and rise, hold behind the molding sand again slow decreasing to pushing away the type position.
The left side of base 33 is equipped with sandbox revolving dial and template frame rotating mechanism, and two rotating mechanisms have identical axle center.A drag box is respectively placed at above-mentioned sandbox revolving dial 19 two ends, and platform rotating shaft bottom is installed gear and is meshed with the gear of its left side rotary motor 20, is driven by rotary motor to be rotated.The top fixed sheet frame 17 of template rotating mechanism rotating shaft, the below is connected with template rotary cylinder 23 by bindiny mechanism.Carry out 90 degree rotations by air cylinder driven, template 18 is placed on the template frame top, can change corresponding template according to different foundry goods shape requirements.
Shown in Figure 2 is the vertical structure schematic diagram of moulding machine of the present invention.The outside above base 33 is equipped with and pushes away type oil cylinder 27, is used for the sand mold of moulding is released the casting line from moulding machine inside.
The sandbox squeeze board is designed to three layers overlaying structure, the high side plate 28 that both sides are higher and middle lower clamping plate 29 form a groove, be embedded in the hollow type flexible rubber circle 24 that is formed by the macromolecular material manufacturing at groove, be fixed with V-type back-up ring 12 between rubber ring both sides and two high side plates, this rubber ring has higher mechanical strength, and crust is smooth, flexibility is strong, wear-resisting.Rubber ring topping up interface gos deep in the middle splint, is connected with the oil-filled pipeline of outside.Before squeeze board entered sandbox inside and penetrates sand, the rubber ring filled with oil expanded, and both sides touch the V-type back-up ring, and the top is close to inner wall of sand box and is sealed, and leaks when avoiding molding sand to inject sandbox at a high speed.In the molding sand compacting process, the charge oil pressure by the control rubber ring makes rubber ring remain on a suitable dilation, can appropriateness sealing, reduce the leakage of molding sand, reduce simultaneously frictional force, and increase the service life.
Upper and lower sandbox is that driving by turning device oil cylinder 13 realizes in the upset of horizontal and vertical directions.Servo apply hydraulic pressure technology of the present invention is carried out the control of this oil cylinder, thereby the residing different angles of sandbox are determined in the displacement that detects oil cylinder by displacement transducer 34, make sandbox in switching process according to position signalling accomplish slow startup, rapid movement, slowly stop, precise positioning, can guarantee the end impact when sandbox does not start with off-position under the prerequisite that runs up, avoid that sand mold subsides, the sand mold distortion, guaranteed the yield rate that sand mold is made.
The course of work of automatic moulding machine is as follows: under the original state, a drag box is respectively placed at the two ends of sandbox revolving dial 19.One of them drag box is in the moulding position of frame inboard, and another drag box is in the lower core position in the frame outside, and upper drag box is in the branch mailbox state.Template frame 17 is in the frame outside, and template 18 is placed on the template frame.Upper compacting oil cylinder, lower compacting oil cylinder, disclose the case oil cylinder and connect the template cylinder and all be in retracted state.After starting operation, template frame rotary oil cylinder 23 stretches out, drive around the shaft 30 90-degree rotations of template frame 17, template 18 is screwed in frame inboard, be in the centre of upper and lower sandbox, cope 15 and drag box 16 respectively under the driving of top box Shift cylinder 26 and nowel Shift cylinder 25 along guide pillar 14 move toward one another, template is clipped in the middle carries out a mould assembling.Afterwards, turning device oil cylinder 13 stretches out, and drives the clockwise 90 degree rotations of switching mechanism, and the upper and lower sandbox after the mould assembling is threaded to plumbness, and behind the sand-shooting head 5 of penetrating sand mouth alignment of top on the sandbox, sand-shooting head descends.Simultaneously, lower compacting servo-cylinder 7 on the left of putting the beams in place and 9 whiles of the upper compacting servo-cylinder on right side are rapid movement in opposite directions, lower squeeze board 8 and upper squeeze board 10 are pushed respectively the assigned address of drag box and cope, make upper and lower sandbox and middle template form two sealing cavity volumes, at this moment, the molding sand of penetrating in the sand tank 3 pours in the sandbox at a high speed under compressed-air actuated effect, fills up the whole space of upper and lower sandbox.After sandbox was filled, lower squeezing cylinder 7 advanced at a slow speed, nowel Shift cylinder 25 and 26 actions of top box Shift cylinder, and under the acting in conjunction of several driving oil cylinders, the molding sand in the sandbox is compacted, ram-jolt.After compacting was finished, sand-shooting head 5 rose, and lower compacting servo-cylinder 7 and upper compacting servo-cylinder 9 slowly retreat simultaneously, made the sand mold of consolidation slowly break away from upper and lower squeeze board, avoided molding sand externally to produce local avalanche during the pressure sudden outburst.Subsequently, lower compacting servo-cylinder 7 and upper compacting servo-cylinder 9 retreat simultaneously fast, turning device oil cylinder 13 is regained, drive the counterclockwise 90 degree rotations of switching mechanism, with upper, drag box is threaded to level, top box Shift cylinder 26 and nowel Shift cylinder 25 retreat simultaneously, sandbox is opened, drag box drops on the revolving dial, template frame rotary oil cylinder 23 is regained, drive the template frame 90-degree rotation, as for the frame outside, simultaneously, platform rotary motor 20 rotates with template, drive platform and carry out 180 degree rotations, with the drag box reversing of position of moulding position and lower core position, the drag box of frame inboard is threaded to the frame outside carries out lower core operation, it is inboard that the drag box that the core position installs fuse under the frame outside just now screws in frame, on, drag box along guide pillar 14 move toward one another, is clipped in the middle fuse and carries out the secondary mould assembling under the driving of top box Shift cylinder 26 and nowel Shift cylinder 25.Subsequently, the case oil cylinder 6 of disclosing at top descends, the molding sand of moulding is disclosed from sandbox, simultaneously, the type that the connects cylinder 22 of bottom rises, and connects template 21 and hold the molding sand of disclosing from sandbox, slow decreasing is to pushing away the type position, the type that the pushes away oil cylinder 27 of sidepiece stretches out, and molding sand is pushed out on the casting line in frame, carries out the foundry goods casting.So far, a moudling cycle finishes.Subsequently, disclose case oil cylinder 6 and rise, sandbox is opened, and template frame screws in the frame inboard again, carries out next time moulding.Automatic moulding machine is finished continual moulding production according to this mode continuous work.

Claims (2)

1. a hydraulic servo is controlled full-automatic clay-bonded sand moulding machine, comprise by put the beams in place (31), the frame that cant board (32) and base (33) form, between vertical plates on both sides, be provided with switching mechanism, on frame, be equipped with successively and penetrate sand mechanism, the punch-out equipment structure, system for compacting, hoisting mechanism, slew gear and meet type mechanism, it is characterized in that the described sand mechanism of penetrating is by comprising a sand shot tank (3), two sand-shooting heads (5) are arranged penetrating sand tank bottom, a sand-shooting head lift cylinder (4) is controlled the lifting of described sand-shooting head (5), and the sand door flashboard cylinder (20) that sand door flashboard (1) and control sand door flashboard open and close is installed on the top of penetrating the sand tank; Described punch-out equipment structure is one and discloses case oil cylinder (6); Described system for compacting comprise lower compacting servo-cylinder (7) and place the lower squeeze board (8) of described oil cylinder end, and the upper compacting servo-cylinder (9) that be oppositely arranged and the upper squeeze board (10) that place this oil cylinder end coaxial with lower compacting servo-cylinder (7), also be provided with at the end face of upper squeeze board (10) and water cap rod (11); Described hoisting mechanism comprises two guide pillars (14), be fixed on cope (15) and drag box (16) on the guide pillar (14) by guide ring, described cope is connected respectively top box Shift cylinder (26), nowel Shift cylinder (25) with drag box, realizes mould assembling and the die sinking of cope and drag box by described top box Shift cylinder and nowel Shift cylinder; Described switching mechanism by turning device oil cylinder (13) realize 90 ° clockwise/rotate counterclockwise, described turning device oil cylinder (13) is hydraulic servo oil cylinder; Described slew gear comprises two concentric shafts that connect together, on two axles, be fixed with respectively sandbox revolving dial (19) and template frame rotating mechanism, described sandbox revolving dial (19) comprises two drag boxs (16) that are mutually 180 ° of settings, be installed with the shaft gear that is meshed with rotary motor (20) gear in the platform bottom, described template frame rotating mechanism comprises a template frame (17) that is fixed on the rotary cylinder (23) of rotating shaft bottom and places rotating shaft top; The described type mechanism that connects is by connecing template (21) and place the type that the connects cylinder (22) that connects the template bottom to form, and the sandbox that connects template and connect type cylinder and top is on the same central axis.
2. hydraulic servo according to claim 1 is controlled full-automatic clay-bonded sand moulding machine, it is characterized in that the sandbox squeeze board is the three stacked structures that add, wherein higher high side plate (28) and the middle lower clamping plate (29) in both sides form a groove, be embedded in the hollow type flexible rubber circle (24) that is formed by the macromolecular material manufacturing at groove, be fixed with V-type back-up ring (12) between rubber ring both sides and two high side plates.
CN 201210079899 2012-03-25 2012-03-25 Hydraulic servo control full-automatic clay sand molding machine Pending CN103317104A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103896076A (en) * 2014-03-21 2014-07-02 仪征亚新科双环活塞环有限公司 Disc disassembling mechanism of automatic model production line
CN105880490A (en) * 2016-06-22 2016-08-24 佛山市恒学科技服务有限公司 Turning and die pushing device of vertical core shooting machine
CN107617733A (en) * 2017-10-25 2018-01-23 天津市莱斯特阀门有限公司 The production system of butterfly valve body
CN109108236A (en) * 2018-11-08 2019-01-01 安徽新宁装备股份有限公司 A kind of moulding machine
CN110788285A (en) * 2019-11-28 2020-02-14 德林智能科技有限公司 Double-station full-automatic molding machine and using method thereof
CN112548047A (en) * 2020-11-04 2021-03-26 青岛新东机械有限公司 Full-automatic single-station molding machine
CN114260427A (en) * 2020-09-16 2022-04-01 浙江金工机械设备科技有限公司 Bidirectional compacting structure of full-automatic molding machine
CN115007798A (en) * 2022-06-15 2022-09-06 安徽汉扬精密机械有限公司 Full-automatic horizontal sand casting machine and working method thereof
CN115213358A (en) * 2022-06-28 2022-10-21 潍坊银龙智能科技有限公司 Single-station molding machine capable of quantitatively feeding sand

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103896076A (en) * 2014-03-21 2014-07-02 仪征亚新科双环活塞环有限公司 Disc disassembling mechanism of automatic model production line
CN103896076B (en) * 2014-03-21 2015-11-18 仪征亚新科双环活塞环有限公司 Moulding automatic production line tear disc mechanism open
CN105880490A (en) * 2016-06-22 2016-08-24 佛山市恒学科技服务有限公司 Turning and die pushing device of vertical core shooting machine
CN107617733A (en) * 2017-10-25 2018-01-23 天津市莱斯特阀门有限公司 The production system of butterfly valve body
CN107617733B (en) * 2017-10-25 2022-11-29 天津市莱斯特阀门有限公司 Production system of butterfly valve body
CN109108236A (en) * 2018-11-08 2019-01-01 安徽新宁装备股份有限公司 A kind of moulding machine
CN110788285A (en) * 2019-11-28 2020-02-14 德林智能科技有限公司 Double-station full-automatic molding machine and using method thereof
CN114260427A (en) * 2020-09-16 2022-04-01 浙江金工机械设备科技有限公司 Bidirectional compacting structure of full-automatic molding machine
CN112548047A (en) * 2020-11-04 2021-03-26 青岛新东机械有限公司 Full-automatic single-station molding machine
CN115007798A (en) * 2022-06-15 2022-09-06 安徽汉扬精密机械有限公司 Full-automatic horizontal sand casting machine and working method thereof
CN115213358A (en) * 2022-06-28 2022-10-21 潍坊银龙智能科技有限公司 Single-station molding machine capable of quantitatively feeding sand

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Application publication date: 20130925