CN114851455A

CN114851455A - Resin sand mould integral foam mould

Info

Publication number: CN114851455A
Application number: CN202210357840.8A
Authority: CN
Inventors: 刘倩; 付静
Original assignee: Individual
Current assignee: Huizhou Licheng Mold Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-08-05
Anticipated expiration: 2042-04-06
Also published as: CN114851455B

Abstract

The invention relates to the technical field of dies, in particular to a resin sand type integral foam die which comprises a base, wherein the top of the base is fixedly connected with two first supporting plates which are symmetrically arranged, the tops of the two first supporting plates are fixedly connected with a top plate, the top of the base is sleeved with a lower die body, two second supporting plates which are symmetrically arranged are arranged below the base, and the tops of the two second supporting plates are both provided with an elastic mechanism; elastic mechanism includes the slide bar, and the output shaft through the motor drives the bent axle and rotates, can realize that the bent axle passes through the connecting rod and drives ejector pad upper and lower motion repeatedly, can realize that the ejector pad promotes the base upward movement repeatedly, can appear the effect of vibration when setting up through first spring and slide bar can realize that the base is promoted by the ejector pad, can realize jolt ramming the resin sand in the lower mould body, can effectually avoid appearing the condition in space to can effectually improve the quality of mould.

Description

Resin sand mould integral foam mould

Technical Field

The invention relates to the technical field of molds, in particular to a resin sand type integral foam mold.

Background

The resin sand crystalp plastic particles are particles made of thermoplastic acryl or polymer thermosetting amine, and the angular particle design provides an effective treatment method for most dry strip-shaped surface coating. The Crystrip plastic has chemical inertness, and through proper use and recycling, the dry strip mode can reduce the generation of harmful waste and reduce environmental pollution.

Resin sand is the granule type, resin sand mould often is prepared by resin sand and forms, resin sand mould often the not enough condition that breaks the damage that appears of intensity when using, often can discover to have the space on the resin sand mould of fracture department in addition, this reason that often exists, this is because it does not place compactly to have appeared the space between the resin sand granule before the mould die-casting shaping, the condition that the not enough easy damage of intensity appears in the resin sand mould after can leading to the die-casting shaping, thereby lead to resin sand mould quality to reduce, the result of use is ideal inadequately.

Therefore, a resin sand type integral foam mould is provided.

Disclosure of Invention

The invention aims to provide a resin sand type integral foam mould to solve the problem that the quality of a forming mould is reduced because the resin sand is not compact enough in a mould cavity and a gap is formed.

In order to achieve the purpose, the invention provides the following technical scheme:

a resin sand mold integral foam mold comprises a base, wherein two first support plates which are symmetrically arranged are fixedly connected to the top of the base, top plates are fixedly connected to the tops of the two first support plates, a lower mold body is sleeved on the top of the base, two second support plates which are symmetrically arranged are arranged below the base, and elastic mechanisms are arranged at the tops of the two second support plates;

elastic mechanism includes the slide bar, two the slide bar all with adjacent second backup pad sliding connection, two the slide bar all with base fixed connection, two all the cover is equipped with first spring, two on the pole wall of slide bar the both ends of first spring all with adjacent the second backup pad with base fixed connection, the below of roof is provided with the die body, go up the die body through two montants with roof sliding connection, it is located to go up the die body directly over the die body down, the cylinder is installed at the top of roof, the output of cylinder with go up the top fixed connection of die body, two be provided with slewing mechanism between the second backup pad.

Through the setting of first spring and slide bar, can realize the effect that the vibration can appear in the base under with slewing mechanism's cooperation, can realize carrying out the plain bumper to the internal resin sand of lower mould, the follow-up die-casting of being convenient for can effectually avoid in it not compact enough the circumstances in space to can effectual improvement push down the quality.

Preferably, slewing mechanism includes the bent axle, the bent axle rotate install in two between the second backup pad, even swing joint has a plurality of connecting rods on the rod wall of bent axle, each group the equal swing joint in top of connecting rod has the ejector pad, the bottom of base evenly installs the multiunit riser, each group equal slidable mounting of ejector pad is in adjacent two between the riser, one side install the motor on the lateral wall of second backup pad, the output shaft of motor with the one end fixed connection of bent axle, the top of die body is provided with scrapes and holds the mechanism down.

The crankshaft is driven to rotate through the output shaft of the motor, the connecting rod is connected with the crankshaft in a rotating manner, the top end of the connecting rod is movably connected with the bottom of the push block, the crankshaft can drive the push block to repeatedly move up and down through the connecting rod, when the tops of the push blocks which are separated from each other are contacted with the bottom of the base, the base can be driven to move upwards and stretch the first spring, at the moment, the push blocks which are separated from each other can move to the lower side between two adjacent vertical plates, when the push blocks which are contacted with the bottom of the base are far away from the bottom of the base, under the action of the first spring, the first spring contracts to drive the base to move downwards to return to the initial position, then the other push blocks on the lower side can move upwards again to jack the base upwards, so that the base can repeatedly move up and down to achieve the purpose of vibration, resin sand in the lower die body can be effectively compacted, and the condition of gaps in the base can be avoided, thereby effectively improving the quality of the formed workpiece.

Preferably, the scraping and holding mechanism comprises an installation frame, the installation frame is provided with two groups, two installation frames are fixedly connected with two first supporting plates and two movable plates, the inner cavities of the installation frames are connected with each other in a sliding mode, the two symmetrical scraping plates are fixedly connected to the bottoms of the movable plates, reciprocating lead screws are arranged on the rear sides of the installation frames and connected with the first supporting plates in a rotating mode, the reciprocating lead screws are connected with the movable plates in a threaded mode, grooved wheels are sleeved on the rod walls of the reciprocating lead screws and the crankshaft in a sleeved mode, a belt is connected between the grooved wheels in a transmission mode, two U-shaped frames are arranged on the outer side of the lower die body, magnets are installed on the opposite sides of the U-shaped frames, the magnets are adjacent to each other and connected in a magnetic attraction mode, and the top of the base is provided with a feeding mechanism.

Resin sand pours into down the mould internally through feed mechanism, the cooperation through slewing mechanism and elastic mechanism is to its plain bumper, when the material shakes and falls to the top of die body down, the bent axle rotates simultaneously and drives reciprocal lead screw through the belt and rotate, reciprocal lead screw rotates and can realize driving fly leaf side-to-side motion, thereby make the scraper blade scrape the clout at die body top down and hold in falling the U-shaped frame with down the die body internally, resin sand and the inner chamber top of die body are kept level down until down in the die body, reach the purpose of collecting the clout, can realize being convenient for dismantle two U-shaped frame installations through setting up of magnet.

Preferably, feed mechanism includes the feeder hopper, the feeder hopper is provided with two sets ofly, two the feeder hopper all cup joint in the top of roof, flexible pipe, two are all installed to the bottom of two feeder hoppers the bottom of flexible pipe all with the top fixed connection of going up the die body, go up and seted up two feed inlets on the die body, two the feed inlet all with adjacent flexible pipe is linked together, two the opposite side of feed inlet all is provided with extrusion mechanism.

The resin sand falls to the telescopic pipe through the feed hopper, and falls to the lower die body through the feed inlet, and the telescopic pipe can contract and extend along with the telescopic pipe by means of up-and-down movement of the upper die body through the arrangement of the telescopic pipe.

Preferably, the extrusion mechanism includes first cavity, first cavity is provided with two sets ofly, two first cavity all sets up in go up the mould internally, two equal sliding connection has the piston rod in the first cavity, two the piston rod all with go up mould body sliding connection, two the top of piston rod all with roof fixed connection, two the opposite side of first cavity all is provided with the second cavity, two the second cavity all sets up in go up the mould internally, two the second cavity all is linked together through intercommunication mouth and adjacent the inside of first cavity, two all be provided with shutoff mechanism in the second cavity.

The output end of the air cylinder extends to drive the upper die body to move downwards, so that the piston rod can extrude gas in the first cavity into the communicating port, and the gas can enter the second cavity and push the piston to move outwards;

the output end of the air cylinder contracts to drive the upper die body to move upwards, the piston rod can move downwards in the first cavity, the air in the second cavity is sucked into the first cavity through the communicating port, and the piston can be driven to move inwards.

Preferably, the plugging mechanism comprises pistons, two pistons are all slidably mounted in the adjacent inner cavities of the second cavities, two fixing rods are fixedly connected in grooves in opposite sides of the pistons, sealing plates are all slidably connected to the rod walls of the fixing rods, second springs are sleeved on the rod walls of the fixing rods, two ends of each second spring are all fixedly connected with the adjacent sealing plates and the inner cavities of the grooves, and sealing mechanisms are arranged on one sides of the tops of the sealing plates.

The piston moves to the outside and can drive the closing plate to move in the feed inlet, and when the inclined plane end of closing plate moved to the intraoral inclined plane side of feed inlet, can realize under the effort of second spring, the second spring extended drive closing plate lateral motion downwards, can realize that the closing plate moves to the inner chamber bottom of feed inlet and the bottom of last die body and keep level, two contact blocks then can contact this moment, can effectually prevent at the die-casting in-process, forming die's top can form the condition of the protruding end of feed inlet.

Preferably, sealing mechanism includes the activity groove, two the activity groove is all seted up in go up the mould internally, two equal sliding connection has sealed piece, two in the activity groove third spring is all installed on the top of sealed piece, two the other end of third spring all with adjacent the inner chamber fixed connection in activity groove, two the inner chamber of feed inlet is close to bottom department one side and all is provided with stop gear.

When the closing plate moves down to the inner chamber bottom of feed inlet, under the effort of third spring, the third spring extends and can promote sealed piece and push up the top at the closing plate always, reaches sealed effect, can effectually prevent that the intraoral clout of feed inlet from can getting into in the second cavity.

Preferably, stop gear is including moving about the chamber, two the activity chamber is all seted up in go up the mould internal, two equal sliding connection has T shape pole, two in the activity intracavity T shape pole all with slide bar sliding connection, two all the cover is equipped with circular telegram solenoid, two on the pole wall of T shape pole circular telegram solenoid's both ends all with adjacent T shape pole with circular telegram solenoid's inner chamber fixed connection.

When circular telegram solenoid opened, through the inner chamber sliding connection in T shape pole and last die body and activity chamber, circular telegram solenoid's both ends all with the inner wall fixed connection in T shape pole and activity chamber, can realize circular telegram solenoid shrink and drive T shape pole to the motion in the feed inlet, and place in the top of closing plate, can realize the purpose to closing plate support for at last die body die-casting in-process, the resin sand in the lower die body can not upwards jack-up with the closing plate.

Preferably, the bottom inclined plane ends of the two sealing plates and the bottom inclined plane sides of the inner cavities of the two adjacent feed inlets are both provided with contact blocks, and the two adjacent contact blocks are electrically connected with the adjacent electrified solenoid together.

When the two contact blocks are contacted, the electrified solenoid can be controlled to be opened at the moment, and the purpose of triggering is achieved.

Preferably, a controller is installed on one side of the top of the base, and the two electrified solenoids are electrically connected with the controller together.

When the energized solenoid needs to be closed and contracted, the controller is pressed for a long time to slowly contract the energized solenoid to the initial state.

Compared with the prior art, the invention has the beneficial effects that:

1. the output shaft through the motor drives the bent axle and rotates, can realize that the bent axle passes through the connecting rod and drives ejector pad up-and-down motion repeatedly, when the top of ejector pad contacts the bottom of base, can realize driving first spring and extend, when the bottom of base is kept away from to the ejector pad, can realize under the effort of first spring, first spring shrink drives the base and gets back to original position, can realize that the ejector pad promotes the base repeatedly and realize the effect of vibration under the effort of first spring, can realize the resin sand compaction in the lower mould body, can effectually avoid appearing the condition in space, thereby can the effectual quality that improves the mould.

2. The crankshaft rotates and drives the reciprocating screw rod to rotate through the belt, the reciprocating screw rod rotates and can drive the movable plate to move left and right, accordingly, the scraper scrapes and holds the residual materials at the top of the lower die body into the U-shaped frame, the purpose of collecting the residual materials is achieved, and the two U-shaped frames can be conveniently mounted and dismounted through the arrangement of the magnets.

3. The cylinder drives the upper die body to move downwards, the piston rod can be pushed to move to the outside, the sealing plate moves to the bottom of the inner cavity of the feed port and is level with the bottom of the upper die body, the two contact blocks are in contact with each other to control the electrified solenoid to be opened, the electrified solenoid can be contracted to drive the T-shaped rod to move in the feed port, the T-shaped rod is placed at the top of the sealing plate, the sealing plate can be supported at the top of the sealing plate, and the situation that the top of the forming die can form the protruding end of the feed port can be effectively avoided.

Drawings

FIG. 1 is an overall three-dimensional view of the present invention;

FIG. 2 is an overall cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the portion B of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure of the portion C in FIG. 2 according to the present invention;

FIG. 6 is a top view of the mounting frame of the present invention;

FIG. 7 is a top cross-sectional view of the U-frame of the present invention.

In the figure: 1. a base; 2. a second support plate; 3. a first support plate; 4. a top plate; 5. a lower die body; 6. a first spring; 7. a slide bar; 8. a crankshaft; 9. a motor; 10. a connecting rod; 11. a vertical plate; 12. a push block; 13. installing a frame; 14. a movable plate; 15. a squeegee; 16. a reciprocating screw rod; 17. feeding a mold body; 18. a vertical rod; 19. a cylinder; 20. a feed hopper; 21. a telescopic pipe; 22. a feed inlet; 23. a first cavity; 24. a piston rod; 25. a communication port; 26. a second cavity; 27. a piston; 28. a second spring; 29. a U-shaped frame; 30. fixing the rod; 31. a contact block; 32. a sealing plate; 33. a movable groove; 34. a third spring; 35. a sealing block; 36. a movable cavity; 37. an energized solenoid; 38. a T-shaped rod; 39. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the invention provides equipment, and solves the following problems: the resin sand is a particle type, the resin sand mould is usually prepared from resin sand, the resin sand mould is often broken and damaged due to insufficient strength when in use, and gaps are often found on the resin sand mould at the broken part, which is often the reason for the existence, so that the resin sand mould is reduced in quality and unsatisfactory in use effect due to the fact that the gaps are not placed tightly among the resin sand particles before the mould is die-cast and formed so as to cause the resin sand mould to be damaged due to insufficient strength after the die-cast and formed;

in order to solve the technical problems, the technical scheme in the embodiment of the invention has the following general idea: the output shaft through the motor drives the bent axle and rotates, can realize that the bent axle passes through the connecting rod and drives ejector pad upper and lower motion repeatedly to can realize the effect of vibration for the base under elastic mechanism's cooperation, can realize the resin sand jolt ramming in the lower mould body, can effectually avoid the resin sand not tight the condition in space to appear in the die cavity than present, thereby can effectual improvement mould quality, and improve the intensity of mould.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Referring to fig. 1 to 7, the present invention provides a resin sand type integral foam mold, which has the following technical scheme:

a resin sand mold integral foam mold comprises a base 1, wherein the top of the base 1 is fixedly connected with two first supporting plates 3 which are symmetrically arranged, the tops of the two first supporting plates 3 are fixedly connected with a top plate 4, the top of the base 1 is sleeved with a lower mold body 5, two second supporting plates 2 which are symmetrically arranged are arranged below the base 1, and the tops of the two second supporting plates 2 are both provided with an elastic mechanism;

elastic mechanism includes slide bar 7, and two slide bars 7 all with adjacent second backup pad 2 sliding connection, two slide bars 7 all with base 1 fixed connection, all overlap on the pole wall of two slide bars 7 and be equipped with first spring 6, the both ends of two first springs 6 all with adjacent second backup pad 2 and base 1 fixed connection, the below of roof 4 is provided with die body 17, goes up die body 17 through two montants 18 and roof 4 sliding connection, goes up die body 17 and is located die body 5 directly over down, cylinder 19 is installed at the top of roof 4, cylinder 19 the output with go up the top fixed connection of die body 17, be provided with slewing mechanism between two second backup pads 2.

Through the setting of first spring 6 and slide bar 7, can realize under the cooperation with slewing mechanism that base 1 can appear the effect of vibration, can realize carrying out the plain bumper to the resin sand in lower mould body 5, the follow-up die-casting of being convenient for can effectually avoid in it not tight real condition in appearance space inadequately to can effectual improvement push down the quality.

Referring to fig. 2, as an embodiment of the present invention, the rotating mechanism includes a crankshaft 8, the crankshaft 8 is rotatably installed between two second supporting plates 2, a plurality of connecting rods 10 are uniformly rotatably connected to a rod wall of the crankshaft 8, a pushing block 12 is movably connected to a top of each group of connecting rods 10, a plurality of groups of vertical plates 11 are uniformly installed at a bottom of the base 1, each group of pushing blocks 12 is slidably installed between two adjacent vertical plates 11, a motor 9 is installed on a side wall of one side of the second supporting plate 2, an output shaft of the motor 9 is fixedly connected to one end of the crankshaft 8, and a scraping mechanism is installed above the lower mold body 5.

The crankshaft 8 is driven to rotate through an output shaft of the motor 9, the connecting rod 10 is connected with the crankshaft 8 in a rotating manner, the top end of the connecting rod 10 is movably connected with the bottom of the pushing block 12, the crankshaft 8 can drive the pushing block 12 to move up and down repeatedly through the connecting rod 10, when the top of a plurality of groups of pushing blocks 12 at intervals contacts the bottom of the base 1, the base 1 is driven to move up and stretch the first spring 6, at the moment, a plurality of groups of pushing blocks 12 at intervals move to the lower side between two adjacent vertical plates 11, when the groups of pushing blocks 12 contacting the bottom of the base 1 are far away from the bottom of the base 1, under the action force of the first spring 6, the first spring 6 contracts to drive the base 1 to move down to the initial position, then the other groups of pushing blocks 12 at the lower side move up again to jack the base 1 up, so that the base 1 can move up and down repeatedly to achieve the purpose of vibration, the resin sand in the lower die body 5 can be effectively compacted, and the condition of gaps in the resin sand is avoided, so that the quality of a formed workpiece can be effectively improved.

As an embodiment of the invention, referring to fig. 1, 2 and 6, the scraping mechanism includes two sets of mounting frames 13, the two sets of mounting frames 13 are provided, the two mounting frames 13 are both fixedly connected with the two first supporting plates 3, a movable plate 14 is slidably connected between inner cavities of the two mounting frames 13, two symmetrically-arranged scraping plates 15 are fixedly connected to the bottom of the movable plate 14, a reciprocating lead screw 16 is provided at the rear side of the rear mounting frame 13, the reciprocating lead screw 16 is rotatably connected to the two first supporting plates 3, the reciprocating lead screw 16 is in threaded connection with the movable plate 14, grooved wheels are sleeved on the reciprocating lead screw 16 and the rod wall of the crankshaft 8, a belt is in transmission connection between the two grooved wheels, two U-shaped frames 29 are provided at the outer side of the lower mold body 5, magnets are mounted on opposite sides of the two U-shaped frames 29, two adjacent magnets are magnetically attracted, and a feeding mechanism is provided at the top of the base 1.

Resin sand pours into lower mould body 5 in through feed mechanism, the cooperation through slewing mechanism and elastic mechanism is to its plain bumper, when the material shakes and falls to lower mould body 5's top, bent axle 8 rotates simultaneously and drives reciprocal lead screw 16 through the belt and rotate, reciprocal lead screw 16 rotates and can realize driving fly leaf 14 side-to-side motion, thereby make scraper blade 15 scrape the clout at lower mould body 5 top and fall in U-shaped frame 29 and lower mould body 5, resin sand in the mould body 5 is leveled with lower mould body 5's inner chamber top down until, reach the purpose of collecting the clout, can realize being convenient for with two U-shaped frame 29 installation dismantlements through setting up of magnet.

Referring to fig. 1 and 2, the feeding mechanism includes two feeding hoppers 20, two groups of feeding hoppers 20 are provided, two feeding hoppers 20 are respectively sleeved on the top of the top plate 4, telescopic pipes 21 are respectively installed at the bottom ends of the two feeding hoppers 20, the bottom ends of the two telescopic pipes 21 are respectively fixedly connected with the top of the upper mold body 17, two feeding ports 22 are formed in the upper mold body 17, the two feeding ports 22 are respectively communicated with the adjacent telescopic pipes 21, and the opposite sides of the two feeding ports 22 are respectively provided with an extruding mechanism.

The resin sand falls into the telescopic pipe 21 through the feed hopper 20 and falls into the lower die body 5 through the feed port 22, and the telescopic pipe 21 moving up and down of the upper die body 17 can contract and extend along with the telescopic pipe 21 through the arrangement of the telescopic pipe 21.

As an embodiment of the present invention, referring to fig. 2 and 3, the extrusion mechanism includes two groups of first cavities 23, two groups of first cavities 23 are provided, two first cavities 23 are both opened in the upper die body 17, piston rods 24 are slidably connected in the two first cavities 23, the two piston rods 24 are both slidably connected with the upper die body 17, top ends of the two piston rods 24 are both fixedly connected with the top plate 4, second cavities 26 are both provided on opposite sides of the two first cavities 23, two second cavities 26 are both opened in the upper die body 17, the two second cavities 26 are both communicated with the inside of the adjacent first cavities 23 through communication ports 25, and a blocking mechanism is provided in each of the two second cavities 26.

The output end of the cylinder 19 extends to drive the upper die body 17 to move downwards, so that the piston rod 24 can extrude the gas in the cavity of the first cavity 23 into the communication port 25, and the gas can enter the second cavity 26 and push the piston 27 to move outwards;

the contraction of the output end of the cylinder 19 drives the upper die body 17 to move upwards, so that the piston rod 24 can move downwards in the first cavity 23, the communicating port 25 can suck the gas in the second cavity 26 into the first cavity 23, and the piston 27 can be driven to move inwards.

As an embodiment of the present invention, referring to fig. 2 and 4, the plugging mechanism includes pistons 27, two pistons 27 are both slidably mounted in the inner cavity of the adjacent second cavity 26, fixing rods 30 are fixedly connected in the grooves of the facing sides of the two pistons 27, sealing plates 32 are slidably connected on the rod walls of the two fixing rods 30, second springs 28 are sleeved on the rod walls of the two fixing rods 30, both ends of the two second springs 28 are fixedly connected with the adjacent sealing plates 32 and the inner cavities of the grooves, and a sealing mechanism is disposed on one side of the top portions of the two sealing plates 32.

The piston 27 moves outwards to drive the sealing plate 32 to move towards the feed port 22, when the inclined end of the sealing plate 32 moves to the inclined side in the feed port 22, the second spring 28 extends to drive the sealing plate 32 to move downwards under the action of the second spring 28, the bottom of the inner cavity of the feed port 22, which the sealing plate 32 moves to, is flush with the bottom of the upper die body 17, at this moment, the two contact blocks 31 can be in contact with each other, and the condition that the protruding end of the feed port 22 is formed at the top of a forming die in the die-casting process can be effectively prevented.

Referring to fig. 2 and 5, as an embodiment of the present invention, the sealing mechanism includes two movable grooves 33, two movable grooves 33 are both opened in the upper die body 17, sealing blocks 35 are both slidably connected in the two movable grooves 33, third springs 34 are both installed at the top ends of the two sealing blocks 35, the other ends of the two third springs 34 are both fixedly connected with the inner cavities of the adjacent movable grooves 33, and a limiting mechanism is disposed on one side of the inner cavities of the two feed ports 22 near the bottom.

When the sealing plate 32 moves downwards to the bottom of the inner cavity of the feeding hole 22, under the action of the third spring 34, the third spring 34 extends to push the sealing block 35 to be always pressed against the top of the sealing plate 32, so as to achieve the sealing effect, and effectively prevent the excess material in the feeding hole 22 from entering the second cavity 26.

Referring to fig. 2 and 6, as an embodiment of the present invention, the limiting mechanism includes two movable cavities 36, two movable cavities 36 are both opened in the upper mold body 17, T-shaped rods 38 are both slidably connected in the two movable cavities 36, both T-shaped rods 38 are slidably connected with the upper mold body 17, an energized solenoid 37 is sleeved on the rod wall of each of the two T-shaped rods 38, and both ends of each of the two energized solenoids 37 are fixedly connected with the adjacent T-shaped rod 38 and the inner cavity of the energized solenoid 37.

When the energized solenoid 37 is turned on, the T-shaped rod 38 is in sliding connection with the inner cavities of the upper die body 17 and the movable cavity 36, and two ends of the energized solenoid 37 are fixedly connected with the inner walls of the T-shaped rod 38 and the movable cavity 36, so that the energized solenoid 37 can contract to drive the T-shaped rod 38 to move towards the feed port 22 and is arranged at the top of the sealing plate 32, the purpose of abutting against the sealing plate 32 can be realized, and the sealing plate 32 cannot be jacked upwards by resin sand in the lower die body 5 in the die casting process of the upper die body 17.

Referring to fig. 4, as an embodiment of the present invention, the contact blocks 31 are mounted on the bottom inclined ends of the two sealing plates 32 and the inner cavity bottom inclined sides of the two adjacent feed ports 22, and the two adjacent contact blocks 31 are electrically connected to the adjacent energizing solenoid 37.

When the two contact blocks 31 are in contact, the energized solenoid 37 is controlled to be opened, so as to achieve the purpose of triggering.

Referring to fig. 2, a controller 39 is mounted on the top side of the base 1, and the two energized solenoids 37 are electrically connected to the controller 39 in common.

When it is desired to close the energized solenoid 37, a long press of the controller 39 will cause the energized solenoid 37 to slowly retract to its initial state.

The working principle is as follows: firstly, resin sand is put into a feed hopper 20, the resin sand falls into an extension tube 21 through the feed hopper 20 and falls into a lower die body 5 through a feed inlet 22, then a motor 9 is started, an output shaft of the motor 9 drives a crankshaft 8 to rotate, the crankshaft 8 can drive a push block 12 to repeatedly move up and down through a connecting rod 10, when the top of the push block 12 contacts the bottom of a base 1, a first spring 6 can be driven to extend, when the push block 12 is far away from the bottom of the base 1, the first spring 6 can contract to drive the base 1 to return to the original position under the action force of the first spring 6, the push block 12 can repeatedly push the base 1 and realize the vibration effect under the action force of the first spring 6, the resin sand in the lower die body 5 can be vibrated, the crankshaft 8 rotates and simultaneously drives a reciprocating screw rod 16 to rotate through a belt, and the reciprocating screw rod 16 can realize the left and right movement of a movable plate 14, thereby make scraper blade 15 scrape the clout at die body 5 top down and hold in falling U-shaped frame 29, reach the purpose of collecting the clout, can realize being convenient for dismantle two U-shaped frame 29 installations through setting up of magnet, stop pouring after the resin sand jolt is full in die body 5 down, then scrape the top of die body 5 after falling and shifting out down with the unnecessary resin sand in die body 5 top through scraper blade 15.

When the cylinder 19 is started, the output end of the cylinder 19 extends to drive the upper die body 17 to move downwards, the upper die body 17 moves downwards to pull the extension tube 21 to extend, the piston rod 24 can extrude the gas in the cavity of the first cavity 23 into the communication port 25, the gas can enter the second cavity 26 and push the piston 27 to move outwards, the piston 27 moves outwards to drive the sealing plate 32 to move towards the feed port 22, when the inclined end of the sealing plate 32 moves to the inclined side in the feed port 22, the second spring 28 extends to drive the sealing plate 32 to move downwards under the action of the second spring 28, the sealing plate 32 can move until the bottom of the inner cavity of the feed port 22 is flush with the bottom of the upper die body 17, at the moment, the two contact blocks 31 are in contact with each other, the energized solenoid 37 is controlled to be opened, and the energized solenoid 37 can contract to drive the T-shaped rod 38 to move towards the feed port 22, and the top of the sealing plate 32 is arranged, the top of the sealing plate 32 can be supported, meanwhile, when the sealing plate 32 moves downwards to the bottom of the inner cavity of the feed port 22, under the action force of the third spring 34, the third spring 34 extends to push the sealing block 35 to be always supported on the top of the sealing plate 32, so that the sealing effect is achieved, when the upper die body 17 is reset, the electrified solenoid 37 can slowly contract to the initial state only by pressing the controller 39 for a long time, the upper die body is moved out of the upper part of the sealing plate 32, and the reset operation can be carried out at the moment.

The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A resin sand mold integral foam mold, comprising:

the device comprises a base (1), wherein the top of the base (1) is fixedly connected with two first supporting plates (3) which are symmetrically arranged, the top of the two first supporting plates (3) is fixedly connected with a top plate (4), the top of the base (1) is sleeved with a lower die body (5), and two second supporting plates (2) which are symmetrically arranged are arranged below the base (1);

the method is characterized in that: elastic mechanisms are arranged at the tops of the two second supporting plates (2);

the elastic mechanism comprises two sliding rods (7), the two sliding rods (7) are connected with the adjacent second supporting plate (2) in a sliding mode, the two sliding rods (7) are fixedly connected with the base (1), first springs (6) are sleeved on the rod walls of the two sliding rods (7), and two ends of each first spring (6) are fixedly connected with the adjacent second supporting plate (2) and the base (1);

the die body (17) is provided with in the below of roof (4), go up die body (17) through two montants (18) with roof (4) sliding connection, it is located to go up die body (17) directly over lower die body (5), cylinder (19) are installed at the top of roof (4), the output of cylinder (19) with the top fixed connection of last die body (17), two be provided with slewing mechanism between second backup pad (2).

2. The resin sand type integral foam mold according to claim 1, wherein: slewing mechanism includes bent axle (8), bent axle (8) rotate install in two between second backup pad (2), evenly rotate on the rod wall of bent axle (8) and be connected with a plurality of connecting rods (10), each group the equal swing joint in top of connecting rod (10) has ejector pad (12), multiunit riser (11) are evenly installed to the bottom of base (1), each group equal slidable mounting in ejector pad (12) adjacent two between riser (11), one side install motor (9) on the lateral wall of second backup pad (2), the output shaft of motor (9) with the one end fixed connection of bent axle (8), the top of die body (5) is provided with scrapes and holds the mechanism down.

3. The resin sand type integral foam mold according to claim 2, wherein: the scraping mechanism comprises an installation frame (13), the installation frame (13) is provided with two groups, two installation frames (13) are fixedly connected with two first supporting plates (3), two movable plates (14) are slidably connected between the inner cavities of the installation frames (13), two scraping plates (15) which are symmetrically arranged are fixedly connected to the bottoms of the movable plates (14), a reciprocating lead screw (16) is arranged on the rear side of the installation frame (13), the reciprocating lead screw (16) is rotatably connected with the two first supporting plates (3), the reciprocating lead screw (16) is in threaded connection with the movable plates (14), grooved wheels are sleeved on the rod walls of the reciprocating lead screw (16) and the crankshaft (8), a belt is connected between the two grooved wheels in a transmission manner, two U-shaped frames (29) are arranged on the outer side of the lower die body (5), and magnets are installed on the opposite sides of the two U-shaped frames (29), two adjacent magnet magnetism are inhaled and are connected, the top of base (1) is provided with feed mechanism.

4. A resin sand type integral foam mold according to claim 3, characterized in that: feed mechanism includes feeder hopper (20), feeder hopper (20) are provided with two sets ofly, two feeder hopper (20) all cup joint in the top of roof (4), flexible pipe (21) are all installed to the bottom of two feeder hoppers (20), two the bottom of flexible pipe (21) all with go up the top fixed connection of die body (17), go up two feed inlets (22) of having seted up on die body (17), two feed inlet (22) all with adjacent flexible pipe (21) are linked together, two the opposite side of feed inlet (22) all is provided with extrusion mechanism.

5. The resin sand type integral foam mold according to claim 4, wherein: the extrusion mechanism comprises a first cavity (23), the first cavity (23) is provided with two sets, two first cavities (23) are all arranged in an upper die body (17), two piston rods (24) are connected in the first cavities (23) in a sliding mode and are connected with the piston rods (24) in a sliding mode, the piston rods (24) are all connected with the upper die body (17) in a sliding mode, two the top ends of the piston rods (24) are all fixedly connected with a top plate (4), two opposite sides of the first cavities (23) are all provided with second cavities (26), two second cavities (26) are all arranged in the upper die body (17), two second cavities (26) are all communicated with the adjacent inner portions of the first cavities (23) through communicating ports (25), and two blocking mechanisms are arranged in the second cavities (26).

6. The resin sand type integral foam mold according to claim 5, wherein: the plugging mechanism comprises pistons (27), two pistons (27) are slidably mounted in adjacent cavities of the second cavity (26), two fixing rods (30) are fixedly connected into opposite side grooves of the pistons (27), two sealing plates (32) are slidably connected onto rod walls of the fixing rods (30), two second springs (28) are sleeved on the rod walls of the fixing rods (30), two ends of each second spring (28) are adjacent to the corresponding sealing plate (32) and the corresponding inner cavity of the corresponding groove, and a sealing mechanism is arranged on one side of the top of each sealing plate (32).

7. The resin sand type integral foam mold according to claim 6, wherein: sealing mechanism is including activity groove (33), two activity groove (33) are all seted up in go up die body (17), two equal sliding connection has sealed piece (35), two in activity groove (33) third spring (34), two are all installed on the top of sealed piece (35) the other end of third spring (34) all with adjacent the inner chamber fixed connection of activity groove (33), two the inner chamber of feed inlet (22) is close to bottom department one side and all is provided with stop gear.

8. The resin sand type integral foam mold according to claim 7, wherein: stop gear is including activity chamber (36), two activity chamber (36) are all seted up in go up die body (17), two equal sliding connection has T shape pole (38), two in activity chamber (36) T shape pole (38) all with last die body (17) sliding connection, two all the cover is equipped with circular telegram solenoid (37), two on the pole wall of T shape pole (38) the both ends of circular telegram solenoid (37) all with adjacent T shape pole (38) with the inner chamber fixed connection of circular telegram solenoid (37).

9. The resin sand type integral foam mold according to claim 8, wherein: contact blocks (31) are arranged on the bottom inclined plane ends of the two sealing plates (32) and the side of the bottom inclined plane of the inner cavity of the two adjacent feed inlets (22), and the two adjacent contact blocks (31) are electrically connected with the adjacent energized solenoid (37) together.

10. The resin sand type integral foam mold according to claim 8, wherein: a controller (39) is installed on one side of the top of the base (1), and the two electrified solenoids (37) are electrically connected with the controller (39) together.