CN202398787U - Hydraulic servo controlled full-automatic clay sand molding machine - Google Patents
Hydraulic servo controlled full-automatic clay sand molding machine Download PDFInfo
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- CN202398787U CN202398787U CN2012201141465U CN201220114146U CN202398787U CN 202398787 U CN202398787 U CN 202398787U CN 2012201141465 U CN2012201141465 U CN 2012201141465U CN 201220114146 U CN201220114146 U CN 201220114146U CN 202398787 U CN202398787 U CN 202398787U
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Abstract
A hydraulic servo controlled full-automatic clay sand molding machine belongs to the field of casting mechanical equipment and is used for molding sand manufacture in wet physical hardening sand casting technology. The molding machine comprises a high-strength frame consisting of an upper beam, lateral vertical plates and a base, a sand ejecting mechanism, a punch-out mechanism, a compaction mechanism, a turnover lifting mechanism, a platform slewing mechanism and a mold connecting mechanism are sequentially mounted on the frame, and the complete full-automatic molding machine jointly comprises the frame, a hydraulic system, an air circuit system, an integrated lubricating system and an electrical control system. A sand box compaction plate is provided with a three-layer combined structure and a hydraulic expansion sealing ring with a fine sealing performance and a long service life, so that only a small amount of sand powder escapes from the complete machine in running. A turnover cylinder of the molding machine is controlled by means of hydraulic servo technology, so that a sand box slowly starts, rapidly moves, slowly stops and is accurately positioned according to position signals during turnover, sand mold collapse and sand mold deformation can be avoided on the premise of high-speed running of the sand box, and sand mold manufacturing yield is ensured.
Description
Technical field
The utility model relates to a kind of Casting Equipment of Machine, and 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, in machine building industry, is widely used, 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 fabricating quality of sand mold is directly connected to the quality and the yield rate of foundry goods; To improving casting quality, reduce casting cost and play crucial effects, developed countries has been developed all kinds of high-end automatic molding machines for this formative technology; This type machinery has the advantage of production efficiency height, steady quality, energy-conserving and environment-protective; But prices are rather stiff because of it, and maintenance difficulties is big, in common customer, is difficult to promote the use of.Present domestic most foundry enterprises still carry out the sand mold making at utilization technology jolt-squeeze machine or squeeze molding machine simple, backward in technique; The sand-mould quality poor stability of making, equipment running noises height; Labour intensity is big; Production efficiency is low, and 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 utility model has designed the full-automatic clay-bonded sand moulding machine of a kind of Hydraulic Servo Control to the deficiency of above-mentioned prior art.
The full-automatic clay-bonded sand moulding machine of a kind of Hydraulic Servo Control; Comprise the frame of forming 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 by comprising a sand shot jar, two sand-shooting heads are arranged penetrating sand jar bottom; A sand-shooting head lift cylinder is controlled the up-down of said sand-shooting head, and the sand door flashboard cylinder of sand door flashboard and the switching of control sand door flashboard is installed on the top of penetrating the sand jar; Described punch-out equipment structure is one and discloses the case oil cylinder; Described system for compacting comprise down the compacting servo-cylinder and place the following squeeze board of said oil cylinder end, and the last compacting servo-cylinder that be oppositely arranged and the last squeeze board that place this oil cylinder end coaxial with following compacting servo-cylinder, also be provided with at the end face of last 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 through guide ring; Described cope is connected respectively with drag box that top box moves oil cylinder, nowel moves oil cylinder, moves oil cylinder and nowel moves mould assembling and the die sinking that oil cylinder is realized cope and drag box through said top box; Described switching mechanism through the turning device oil cylinder realize 90 ° clockwise/rotate counterclockwise, described turning device oil cylinder is a hydraulic servo oil cylinder; Described slew gear comprises two concentric shafts that connect together; On two axles, be fixed with sandbox revolving dial and template frame rotating mechanism respectively; Described sandbox revolving dial comprises two drag boxs that are 180 ° of settings mutually; Be installed with the shaft gear that is meshed with the rotary motor gear in the platform bottom, described template frame rotating mechanism comprises the rotary cylinder and the template frame that places rotating shaft top that are fixed on the rotating shaft bottom; 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.
The full-automatic clay-bonded sand moulding machine of described Hydraulic Servo Control; It is characterized in that the sandbox squeeze board is the three range upon range of structures that add; Wherein the higher high side plate in both sides forms a groove with middle lower clamping plate; Be embedded in the hollow type flexible rubber circle that forms 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 technical scheme that its technical problem of the utility model solution is taked is: 1, the sandbox squeeze board has adopted hollow hydraulic pressure expansion and shrinkage type novel seal 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 on level and vertical both direction; The assurance sandbox is accomplished to delay in switching process and is opened, delays and stop, precisely locate; The sand mold that the sandbox striker causes not taking place collapse and the sand mold distortion, has guaranteed the yield rate that sand mold is made.The beneficial effect of the utility model is: fast, the accurate positioning of mechanical part motion of this moulding machine, no sand mold leaks and 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 the branch mould state that the lateral junction composition-sandbox of the utility model is horizontal.
Fig. 2 is the vertical structure figure of the utility model.
Fig. 3 is the squeeze board structural representation.
1-sand door flashboard among the figure, 2-sand door flashboard cylinder, 3-penetrates the sand jar, 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 last compacting servo-cylinder of 9-, the last 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, 16-drag box, 17-template frame, 18-template; 19-sandbox revolving dial, the 20-rotary motor, 21-connects template, and 22-connects the template cylinder, 23-template frame rotary oil cylinder, 24-flexible rubber circle; The 25-nowel moves oil cylinder, and the 26-top box moves oil cylinder, and 27-pushes away the type oil cylinder, the high side plate of 28-, 29-clamping plate; The 30-rotating shaft, 31-puts the beams in place, 32-cant board, 33-base, 34-displacement transducer.
The specific embodiment
Shown in Figure 1: as to have constituted the high strength frame with two middle cant boards 32 by upper beam 31, base 33.Top vertical fixing at upper beam 31 is disclosed case oil cylinder 6.Be equipped with on the right side of disclosing the case oil cylinder by penetrating sand jar 3, sand door flashboard 1 and sand door flashboard cylinder 2 are formed penetrates sand mechanism, in penetrating the sand jar, is equipped with the sand-shooting head lift cylinder 4 that control sand-shooting head 5 goes up and down.Described penetrating stores molding sand in the sand jar and molding sand high speed under compressed-air actuated effect poured in the sandbox.The left side horizontal level of upper beam 31 is equipped with down compacting servo-cylinder 7, and its head is connected with following squeeze board 8, and following squeeze board can be along the guide pillar side-to-side movement under the driving of following compacting oil cylinder.With the position of following 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 is used for the molding sand compacting process and reserves dead head in the sand mold side.
The inside middle of two cant boards is equipped with flip vertical 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 is provided with two accurate guide pillars 14; Cope 15 is fixed on the guide pillar 14 with the guide ring of drag box 16 through the side; The inboard nowel of guide pillar moves oil cylinder 25 and top box moves oil cylinder 26 drivings by being installed in; Move up and down along guide pillar, realize the mould assembling and the die sinking process of sandbox.
Base 33 is positioned at the bottom of frame, with two cant board welding, on base, is equipped with and meets 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 is provided with, and is on the same central axis with the sandbox of top, when the sand mold of moulding is disclosed in sandbox; Connect template 21 and rise, hold slowly to drop to again behind the molding sand and push 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 upper fixed template frame 17 of template rotating mechanism rotating shaft, the below is connected with template rotary cylinder 23 through bindiny mechanism.Carry out 90 degree rotations by air cylinder driven, template 18 is placed on template frame top, can change corresponding template according to different foundry goods shape requirements.
Shown in Figure 2 is the vertical structure sketch map of the utility model moulding machine.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 higher high side plate 28 in both sides forms a groove with middle lower clamping plate 29; Be embedded in the hollow type flexible rubber circle 24 that forms 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 sand was penetrated in squeeze board entering sandbox inside, the rubber ring filled with oil expanded, and both sides touch the V-type back-up ring, and the top is close to the sandbox inwall 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 through the control rubber ring makes rubber ring remain on a suitable dilation, can appropriateness sealing, reduce the leakage of molding sand, reduce frictional force simultaneously, and increase the service life.
Upper and lower sandbox is that driving through turning device oil cylinder 13 realizes in the upset of level and vertical both direction.The utility model servo apply hydraulic pressure technology is carried out the control of this oil cylinder; Thereby the residing different angles of sandbox are confirmed in the displacement that detects oil cylinder through displacement transducer 34; Make sandbox in switching process, accomplish slow startup, rapid movement, slowly stop, precisely locating according to position signalling; 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, guarantee the yield rate that sand mold is made.
The course of work of automatic moulding machine is following: 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 inboard moulding position of frame, and another drag box is in the following core position in the frame outside, and last 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.Last compacting oil cylinder, down the 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 template frame 17 and 30 revolve and turn 90 degrees around the shaft, it is inboard that template 18 is screwed in frames, is in the centre of upper and lower sandbox; Cope 15 and drag box 16 move driving lower edge guide pillar 14 move toward one another that oil cylinder 26 and nowel move oil cylinder 25 at top box respectively, 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; Following compacting servo-cylinder 7 on the left of putting the beams in place and 9 whiles of the last compacting servo-cylinder on right side are rapid movement in opposite directions; Following squeeze board 8 and last squeeze board 10 are pushed the assigned address of drag box and cope respectively, make upper and lower sandbox form two and seal cavity volumes, at this moment with middle template; The molding sand of penetrating in the sand jar 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, following squeezing cylinder 7 advanced at a slow speed, nowel moves oil cylinder 25 and top box moves oil cylinder 26 actions, under the acting in conjunction of several driving oil cylinder, and compacted, the ram-jolt of molding sand in the sandbox.After compacting was accomplished, sand-shooting head 5 rose, and following compacting servo-cylinder 7 is slowly retreated with last compacting servo-cylinder 9 simultaneously, made the sand mold of consolidation slowly break away from upper and lower squeeze board, avoided molding sand to produce local avalanche when externally pressure discharges suddenly.Subsequently, following compacting servo-cylinder 7 is retreated with last compacting servo-cylinder 9 simultaneously fast, and turning device oil cylinder 13 is regained; Drive the counterclockwise 90 degree rotations of switching mechanism, upper and lower sandbox is threaded to level, top box moves oil cylinder 26 and moves oil cylinder 25 with nowel and retreat simultaneously; Sandbox is opened, and drag box drops on the revolving dial, and template frame rotary oil cylinder 23 is regained; Drive the template frame and revolve and turn 90 degrees, with template as for the frame outside, simultaneously; 180 degree rotations are carried out in 20 rotations of platform rotary motor, drives platform, with the drag box reversing of position of moulding position and following core position; The drag box that frame is inboard is threaded to the frame outside and plays the core operation; Just now in the frame outside down the core position drag box that installs fuse to screw in frame inboard, upper and lower sandbox moves driving lower edge guide pillar 14 move toward one another that oil cylinder 26 and nowel move oil cylinder 25 at top box, fuse is clipped in the middle carries out the secondary mould assembling.Subsequently, the case oil cylinder 6 of disclosing at top descends, and 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 holds the molding sand of from sandbox, disclosing; Slowly drop to and push 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 the template frame screws in the frame inboard once more, carries out moulding next time.Automatic moulding machine is accomplished continual moulding production according to this mode continuous work.
Claims (2)
1. full-automatic clay-bonded sand moulding machine of Hydraulic Servo Control; Comprise the frame of forming by upper beam (31), cant board (32) and base (33); 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 by comprising a sand shot jar (3), two sand-shooting heads (5) are arranged penetrating sand jar bottom; A sand-shooting head lift cylinder (4) is controlled the up-down of said 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 jar; Described punch-out equipment structure is one and discloses case oil cylinder (6); Described system for compacting comprise down compacting servo-cylinder (7) and place the following squeeze board (8) of said oil cylinder end, and the last compacting servo-cylinder (9) that be oppositely arranged and the last squeeze board (10) that place this oil cylinder end coaxial with following compacting servo-cylinder (7), also be provided with at the end face of last 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) through guide ring; Described cope is connected respectively with drag box that top box moves oil cylinder (26), nowel moves oil cylinder (25), moves oil cylinder and nowel moves mould assembling and the die sinking that oil cylinder is realized cope and drag box through said top box; Described switching mechanism through turning device oil cylinder (13) realize 90 ° clockwise/rotate counterclockwise, described turning device oil cylinder (13) is a hydraulic servo oil cylinder; Described slew gear comprises two concentric shafts that connect together; On two axles, be fixed with sandbox revolving dial (19) and template frame rotating mechanism respectively; Described sandbox revolving dial (19) comprises two drag boxs (16) that are 180 ° of settings mutually; 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. the full-automatic clay-bonded sand moulding machine of Hydraulic Servo Control according to claim 1; It is characterized in that the sandbox squeeze board is the three range upon range of 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 forms 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201141465U CN202398787U (en) | 2012-03-25 | 2012-03-25 | Hydraulic servo controlled full-automatic clay sand molding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201141465U CN202398787U (en) | 2012-03-25 | 2012-03-25 | Hydraulic servo controlled full-automatic clay sand molding machine |
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| CN202398787U true CN202398787U (en) | 2012-08-29 |
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| CN2012201141465U Expired - Fee Related CN202398787U (en) | 2012-03-25 | 2012-03-25 | Hydraulic servo controlled full-automatic clay sand molding machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658615A (en) * | 2012-09-06 | 2014-03-26 | 戴辉 | Mobile founding steel ball casting device |
| CN114082899A (en) * | 2021-11-11 | 2022-02-25 | 无锡必克液压股份有限公司 | Casting process of sheet type multi-way valve |
-
2012
- 2012-03-25 CN CN2012201141465U patent/CN202398787U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658615A (en) * | 2012-09-06 | 2014-03-26 | 戴辉 | Mobile founding steel ball casting device |
| CN114082899A (en) * | 2021-11-11 | 2022-02-25 | 无锡必克液压股份有限公司 | Casting process of sheet type multi-way valve |
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| Date | Code | Title | Description |
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| 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: 20120829 Termination date: 20210325 |
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| CF01 | Termination of patent right due to non-payment of annual fee |