CN218693617U

CN218693617U - Molding sand filling and filtering device for lost foam casting

Info

Publication number: CN218693617U
Application number: CN202222913435.8U
Authority: CN
Inventors: 刘中华; 王光辉
Original assignee: Luoyang Zhenzhu Machinery Manufacturing Co ltd
Current assignee: Luoyang Zhenzhu Machinery Manufacturing Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-24
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a filter equipment is filled with molding sand to lost foam casting, including frame and sand box, the lower surface of portal frame is equipped with electric cylinder, electric cylinder's flexible end is connected with the right flank of sand leaking case through the adaptor, be equipped with sand screen cleaning device on the sand leaking case, the symmetry is equipped with two sets of gyro wheels, and is two sets of on the side around the sand leaking case the L type track sliding connection that gyro wheel and frame lower surface set up, the left and right sides of sand box all is installed on the carrier through the connecting plate, the lower terminal surface of frame passes through the mount pad and is connected with hydraulic cylinder, and the device adopts machinery to drive the manual work, has reduceed workman's intensity of labour, has improved work efficiency, and makes sand box and sand leaking case closely combine, avoids when filling the molding sand, and the molding sand can scatter to the sand outside of sand box, leads to the molding sand extravagant, can quick replacement or wash the sand screen simultaneously, avoids impurity or molding sand to block up the mesh on the sand screen, leads to the process slow.

Description

Molding sand filling and filtering device for lost foam casting

Technical Field

The utility model relates to a lost foam casting technical field specifically is a filter equipment is filled with molding sand to lost foam casting.

Background

The lost foam casting is a new process with near allowance-free and accurate molding, and the process does not need to take a mold, a parting surface or a sand core, so that the casting does not have flash, burrs or draft inclination, and the size error caused by the combination of the core is reduced. The process includes making foamed plastic mold, painting special paint, drying, setting in sand box, filling dry sand, compacting, vacuum casting, gasifying and eliminating mold, replacing mold with metal, copying the same casting as foamed plastic mold, condensing, releasing vacuum, taking out the casting from loose sand and the next circulation.

At present when adding sand to the sand box, have following problem: 1) Most workers hold the two ends of the sand leakage box by hands, and the sand leakage box is shaken left and right to enable molding sand in the sand leakage box to be uniformly filled in the sand box body, so that the labor intensity of the workers is increased, and the working efficiency is reduced; 2) In the process of leaking sand through the sand leaking box manually, the molding sand can scatter to the outer side of the sand box, so that the molding sand is wasted; 3) The sand screen in the sand drain box can adhere some impurities or blocky molding sand on the mesh after using for a period of time, so that the sand leakage process is slow, and the replacement and cleaning are inconvenient. Thus, a sand-filling filter device for lost foam casting is provided to solve the above problems.

Disclosure of Invention

The utility model provides a filter equipment is filled with molding sand to lost foam casting, the device adopts machinery to drive the manual work, avoid artifical handheld sand hopper to leak sand, the intensity of labour of workman has been reduceed, work efficiency is improved, and make sand box and the laminating of sand hopper, avoid when filling the molding sand, the molding sand can scatter to the sand box outside, it is extravagant to lead to the molding sand, can quick replacement or wash the mesh simultaneously, avoid impurity or cubic molding sand to block up the mesh on the sand net, it is slow to lead to leaking the sand process, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a filter equipment is filled with molding sand for lost foam casting, includes frame and sand box, the upper surface of frame is equipped with the portal frame of being no less than one, the lower surface of portal frame is equipped with electric cylinder, electric cylinder's flexible end is connected with the right flank of sand leaking case through the adaptor, be equipped with sand screen cleaning device on the sand leaking case, the symmetry is equipped with two sets of gyro wheels on the side around the sand leaking case, and is two sets of the L type track sliding connection that gyro wheel and frame lower surface set up, L type track right-hand member below is equipped with the sand box, the left and right sides of sand box all installs on the carrier through the connecting plate, the lower terminal surface of frame passes through the mount pad and is connected with hydraulic cylinder, hydraulic cylinder's flexible end is connected with the lower surface of carrier.

Furthermore, sand screen cleaning device includes fixed plate, first cylinder, otic placode and sand screen, the fixed plate is installed on the side about the sand leaking box, the lower surface of fixed plate is equipped with first cylinder, the flexible end of first cylinder is connected with the otic placode on the sand screen, the sand screen is located the sand leaking box.

Further, the number of the fixing plates is preferably two, and the two fixing plates are symmetrically arranged relative to the sand leaking box.

Furthermore, a certain number of meshes are arranged on the sand net.

Furthermore, the right end of the object carrier penetrates through the rack, and the lower surface of the object carrier is placed on a cross beam of the rack.

Furthermore, two guide posts are arranged between the mounting seat and the object carrier and are symmetrically arranged relative to the hydraulic cylinder, one ends of the guide posts are fixed on the lower surface of the object carrier, and the other ends of the guide posts are in sliding connection with the mounting seat through sliding sleeves.

Further, the frame can adopt square pipe welding to form, and fixed through the set-square between the square pipe.

Furthermore, a lost foam is placed in the sand box, the height of the sand box is larger than that of the lost foam, the sand box is matched with the sand leakage box for use, and the width of the sand box is equal to that of the sand leakage box.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device adopts the hydraulic cylinder to work, the telescopic end drives the carrier and the sand box to ascend, so that the upper surface of the sand box is attached to the lower surface of the sand leaking box, and the molding sand is prevented from scattering to the outer side of the sand box when the molding sand is filled, and the molding sand is prevented from being wasted;

2. the device works by arranging the electric air cylinder, the telescopic end extends out to drive the sand leaking box to slide on the L-shaped track through the adapter piece, so that the sand leaking box moves right above the sand box, the step of manually holding the sand leaking box is avoided, manual work is driven by machinery, the labor intensity of workers is reduced, and the working efficiency is improved;

3. this device is through setting up sand screen cleaning device, and the flexible end of first cylinder work stretches out and drives the sand screen through the otic placode and move down, makes the sand screen break away from sand leaking the case, is convenient for change or wash the mesh, avoids blockking up the mesh on the sand screen because of impurity or cubic molding sand, leads to leaking the sand process slow.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a right side view of the present invention;

fig. 4 is a top view of the present invention;

fig. 5 is a schematic view of a part B of fig. 1.

In the figure: the sand screen comprises a frame 1, a carrier 2, a connecting plate 3, a sand box 4, a 5L type rail, a portal frame 6, an electric cylinder 7, a sand screen cleaning device 8, a fixing plate 81, a first cylinder 82, an ear plate 83, a sand screen 84, a roller 9, a sand leaking box 10, meshes 11, an adapter 12, a hydraulic cylinder 13, a guide post 14 and a mounting seat 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in fig. 2, only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. When a feature is referred to as being "disposed," "secured," or "connected" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, or connected to the other feature.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a filter equipment is filled with molding sand for lost foam casting, including frame 1 and sand case 4, the upper surface of frame 1 is equipped with the portal frame 6 that is no less than one, the lower surface of portal frame 6 is equipped with electric cylinder 7, electric cylinder 7's flexible end is connected with the right flank of hourglass case 10 through adaptor 12, be equipped with sand screen cleaning device 8 on the hourglass case 10, the symmetry is equipped with two sets of gyro wheels 9 on the side around hourglass case 10, the L type track 5 sliding connection of two sets of gyro wheels 9 and the 1 lower surface setting of frame.

Specifically, the flexible end of 7 work of electric cylinder stretches out and drives the motion of sand leaking case 10 through adaptor 12, makes sand leaking case 10 slide at L type track 5 through gyro wheel 9, makes it move to directly over sand box 4, avoids the step of artifical handheld sand leaking case, drives the manual work with machinery, has reduceed workman's intensity of labour, has improved work efficiency.

A sand box 4 is arranged below the right end of the L-shaped track 5, the left side and the right side of the sand box 4 are both installed on the carrier 2 through a connecting plate 3, the lower end face of the rack 1 is connected with a hydraulic cylinder 13 through an installation seat 15, and the telescopic end of the hydraulic cylinder 13 is connected with the lower surface of the carrier 2.

Specifically, the telescopic end of the hydraulic cylinder 13 drives the carrier 2 and the sand box 4 to ascend, so that the upper surface of the sand box 4 is attached to the lower surface of the sand leaking box 10, and the molding sand is prevented from scattering outside the sand box 4 when the molding sand is filled, and the molding sand is wasted.

Further, referring to fig. 5, the sand screen cleaning device 8 includes a fixing plate 81, a first cylinder 82, a lug plate 83 and a sand screen 84, the fixing plate 81 is installed on the left and right side surfaces of the sand leaking box 10, the first cylinder 82 is installed on the lower surface of the fixing plate 81, the telescopic end of the first cylinder 82 is connected with the lug plate 83 on the sand screen 84, and the sand screen 84 is located in the sand leaking box 10.

Specifically, the telescopic end of the first cylinder 82 is stretched out to drive the sand screen 84 to move downwards through the lug plate 83, so that the sand screen 84 is separated from the sand leaking box 10, the mesh 11 is convenient to replace or clean, and the slow sand leaking process caused by the fact that the mesh 11 on the sand screen 84 is blocked by impurities or massive molding sand is avoided.

Further, the number of the fixing plates 81 is preferably two, and the two fixing plates 81 are symmetrically disposed about the sand screen 10.

Still further, the sand screen 84 is provided with a certain number of mesh openings 11.

Specifically, the molding sand enters the molding box 4 through the mesh 11.

Further, the right end of the object carrier 2 is arranged to penetrate through the machine frame 1, and the lower surface of the object carrier is placed on a cross beam of the machine frame 1.

Furthermore, two guide posts 14 are arranged between the mounting seat 15 and the article carrier 2, the two guide posts 14 are symmetrically arranged about the hydraulic cylinder 13, one end of each guide post 14 is fixed on the lower surface of the article carrier 2, and the other end of each guide post is slidably connected with the mounting seat 15 through a sliding sleeve.

Specifically, the guide columns 14 guide the hydraulic cylinders 13, so that the carrier frame 2 and the sand box 4 are prevented from being twisted in the lifting process.

Further, the frame 1 can be formed by welding square pipes, and the square pipes are fixed through a triangular plate.

Specifically, the set square is used for fixing the frame 1, and universal wheels and brake wheels can be arranged below the frame 1, so that the flexibility of the frame 1 is improved, and the efficiency is improved.

Furthermore, a lost foam is placed in the sand box 4, the height of the sand box 4 is greater than that of the lost foam, the sand box 4 is matched with the sand leakage box 10 for use, and the width of the sand box 4 is equal to that of the sand leakage box 10.

Specifically, sand box 4 and hourglass case 10 are supporting to be used, and the width equals, when filling the molding sand, avoids the molding sand to scatter to the sand box 4 outside, leads to the molding sand extravagant, and the accessible dismantles the bolt and takes off sand box 4 and hourglass case 10 from the device, and when the volume of disappearance mould is great, removable sand box 4 and hourglass case 10 have improved the device's application scope.

When in use: the telescopic end of the electric cylinder 7 in working stretches out to drive the sand leaking box 10 to slide on the L-shaped track 5 through the adapter 12, so that the sand leaking box moves to the position above the sand box 4, the hydraulic cylinder 13 works, the telescopic end drives the carrier 2 and the sand box 4 to ascend, the upper surface of the sand box 4 is attached to the lower surface of the sand leaking box 10, and molding sand is poured into the sand leaking box 10.

After the sand leaking box 10 is used for a period of time, the working telescopic end of the first cylinder 82 extends out to drive the sand screen 84 to move downwards through the lug plate 83, so that the sand screen 84 is separated from the sand leaking box 10, and the mesh 11 is replaced or cleaned, thereby avoiding the slow sand leaking process caused by the blockage of the mesh 11 on the sand screen 84 due to impurities or massive molding sand.

It is worth noting that the electric cylinder 7, the first cylinder 82 and the hydraulic cylinder 13 disclosed in the embodiment are all regulated and controlled by an external control switch set, the external control switch set is electrically connected with an output end of an external circuit, a core chip of the control switch set is a PLC single chip microcomputer, and the specific model is Siemens S7-200.

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. The utility model provides a filter equipment is filled with molding sand to lost foam casting, includes frame (1) and sand box (4), its characterized in that: the upper surface of frame (1) is equipped with portal frame (6) that are no less than one, the lower surface of portal frame (6) is equipped with electric cylinder (7), the flexible end of electric cylinder (7) is connected with the right flank of sand leaking case (10) through adaptor (12), be equipped with sand screen cleaning device (8) on sand leaking case (10), the symmetry is equipped with two sets of gyro wheels (9) on the front and back side of sand leaking case (10), and is two sets of L type track (5) sliding connection that gyro wheel (9) and frame (1) lower surface set up, the below of L type track (5) is equipped with sand box (4), the left and right sides of sand box (4) all is installed on carrier (2) through connecting plate (3), the lower terminal surface of frame (1) passes through mount pad (15) and is connected with hydraulic cylinder (13), the flexible end of hydraulic cylinder (13) is connected with the lower surface of carrier (2).

2. The sand-filling filter device for lost foam casting as claimed in claim 1, wherein: sand screen cleaning device (8) are including fixed plate (81), first cylinder (82), otic placode (83) and sand screen (84), install on sand screen box (10) about side fixed plate (81), the lower surface of fixed plate (81) is equipped with first cylinder (82), the flexible end of first cylinder (82) is connected with otic placode (83) on sand screen (84), sand screen (84) are located sand screen box (10).

3. The sand-filling filtering device for lost foam casting according to claim 2, wherein: the number of the fixing plates (81) is preferably two, and the two fixing plates (81) are symmetrically arranged relative to the sand leakage box (10).

4. The sand-filling filter device for lost foam casting as claimed in claim 2, wherein: a certain number of meshes (11) are arranged on the sand net (84).

5. The sand-filling filter device for lost foam casting as claimed in claim 1, wherein: the right end of the object carrier (2) penetrates through the rack (1), and the lower surface of the object carrier is placed on a cross beam of the rack (1).

6. The sand-filling filter device for lost foam casting as claimed in claim 1, wherein: two guide posts (14) are arranged between the mounting seat (15) and the object carrier (2), the two guide posts (14) are symmetrically arranged relative to the hydraulic cylinder (13), one ends of the guide posts (14) are fixed on the lower surface of the object carrier (2), and the other ends of the guide posts are in sliding connection with the mounting seat (15) through sliding sleeves.

7. The sand-filling filtering device for lost foam casting according to claim 1, wherein: the frame (1) can adopt square pipe welding to form, and fixed through the set-square between the square pipe.

8. The sand-filling filter device for lost foam casting as claimed in claim 1, wherein: the sand box (4) is internally provided with a lost foam, the height of the sand box (4) is greater than that of the lost foam, the sand box (4) is matched with the sand leaking box (10) for use, and the width of the sand box (4) is equal to that of the sand leaking box (10).