CN216632577U

CN216632577U - Pouring device of lost foam casting foundry goods

Info

Publication number: CN216632577U
Application number: CN202123122128.XU
Authority: CN
Inventors: 王荣帅
Original assignee: Penglai Xintai Casting Co ltd
Current assignee: Penglai Xintai Casting Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-05-31
Anticipated expiration: 2031-12-10

Abstract

The utility model relates to the technical field of casting manufacturing, in particular to a pouring device for lost foam casting castings, which can conveniently and rapidly pour molten metal, ensure that the molten metal is not interrupted during pouring, prevent air from flowing backwards, replace a vacuum pouring operation mode, reduce the air hole generation of the castings, reduce the production cost and improve the pouring effect; the on-line screen storage device comprises a base, two sets of fixing bases, the apparatus further comprises a rotating shaft, the connecting plate, the smelting pot, half worm wheel, two sets of axle beds, the worm, first bevel gear, including a motor, an end cap, a controller, and a cover plate, second bevel gear and pouring subassembly, the pouring subassembly is installed in base up end right part, symmetrical fixed mounting is in the left part of base up end around two sets of fixing bases, the pivot rotates with two sets of fixing bases to be connected, connecting plate lower extreme fixed mounting is in the pivot, the smelting pot runs through and fixed mounting on connecting plate upper portion, half worm wheel fixed mounting is in the pivot, two sets of axle beds fixed mounting are on the base up end, the worm runs through and rotates and installs on two sets of axle beds.

Description

Pouring device of lost foam casting foundry goods

Technical Field

The utility model relates to the technical field of casting manufacturing, in particular to a pouring device for lost foam casting castings.

Background

The lost foam casting is a novel casting method which comprises the steps of bonding and combining paraffin or foam models with similar sizes and shapes to form a model cluster, coating refractory paint, drying, burying in dry quartz sand for vibration modeling, pouring under negative pressure to enable the model to be gasified, enabling liquid metal to occupy the position of the model, solidifying and cooling to form a casting; when pouring the operation at present, generally use clamping tool to empty the inside molten metal of smelting pot through the manual work, because there is instability in the manual work operation, so when empting, be difficult to guarantee to accomplish stably, accurately, fast, thereby easily cause the cutout and inhale the air, thereby arouse that the sand phenomenon or the foundry goods of collapsing increase the problem of gas pocket, lead to the foundry goods to scrap, and some enterprises are in order to solve the problem of bubble, adopt the operation mode of vacuum casting, though solve the problem that the bubble produced to a great extent, vacuum casting equipment cost is high, thereby make manufacturing cost improve greatly.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the pouring device for the lost foam casting, which can conveniently and rapidly pour the molten metal, ensure that the molten metal is not interrupted when poured, simultaneously prevent air from flowing backwards, replace the operation mode of vacuum pouring, reduce the condition that the casting generates air holes, reduce the production cost and improve the pouring effect.

The utility model relates to a pouring device for lost foam casting castings, which comprises a base, two groups of fixed seats, a rotating shaft, a connecting plate, a smelting furnace, a half worm wheel, two groups of shaft seats, a worm, a first bevel gear, a motor seat, a second bevel gear and a pouring component, wherein the pouring component is arranged at the right part of the upper end surface of the base, the two groups of fixed seats are symmetrically and fixedly arranged at the left part of the upper end surface of the base in front and back, the rotating shaft is rotatably connected with the two groups of fixed seats, the lower end of the connecting plate is fixedly arranged on the rotating shaft, the smelting furnace penetrates through and is fixedly arranged at the upper part of the connecting plate, the half worm wheel is fixedly arranged on the rotating shaft, the two groups of shaft seats are fixedly arranged at the upper end surface of the base, the worm penetrates through and is rotatably arranged on the two groups of shaft seats, the worm and is meshed with the half worm, the first bevel gear is fixedly connected with the right end of the worm, the motor is fixedly arranged at the lower end surface of the base through the motor seat, the output end of the motor passes through the base and is fixedly connected with the second bevel gear, the second bevel gear is meshed with the first bevel gear; second bevel gear rotates under the drive of motor to under the connection drive effect of first bevel gear, make the worm drive the hemicycle wheel and rotate, thereby make the pivot rotate, under the connection effect of connecting plate, make the smelting pot rotate around the pivot, thereby make the smelting pot can just empty its inside metal liquid, replace the tradition through the artifical operation mode of empting, stability when the improvement is emptyd, guarantee that the metal liquid is emptyd fast and not cutoff, improve device pouring effect.

Preferably, the pouring component comprises two groups of supporting blocks, a mounting plate, a pouring box, a sand box, a disappearing mold, a pouring gate, two groups of funnels, two groups of exhaust pipes and two groups of oil tanks, the two groups of supporting blocks are fixedly mounted on the upper end surface of the base, the mounting plate is fixedly mounted on the upper end surface of the two groups of supporting blocks, the pouring box is fixedly mounted on the upper end surface of the mounting plate, the sand box is placed inside the pouring box, the disappearing mold is arranged inside the sand box, the lower end of the pouring gate extends into the sand box and is in contact with the disappearing mold, the lower end of the funnel extends into the pouring gate and is in close contact with the inner side wall of the pouring gate, two groups of air passages are symmetrically arranged on the side wall of the pouring gate, the input ends of the two groups of oil tanks are respectively communicated with the two groups of air passages, the two groups of oil tanks are fixedly mounted inside the pouring box in a bilateral symmetry manner, the air vents are arranged on the oil tanks, and the lower ends of the two groups of the oil tanks respectively extend into the lower parts inside of the two groups of the oil tanks, oil liquid is arranged inside the oil tank; through setting up the funnel, can receive the molten metal that the smelting pot was emptyd, and under the intercommunication effect of runner, make the molten metal flow in to disappearing in the mould, inside along with the molten metal constantly enters into to disappearing the mould, make the inside air of disappearing mould enter into to the oil tank inside through ventilating air flue and blast pipe, then the air passes through the exhaust hole and discharges, and under the effect of fluid, can seal the output of blast pipe, thereby can prevent that the air from going on palirrhea, thereby reduce the condition that the foundry goods produced the gas pocket, replace the operation mode of vacuum pouring, and the production cost is reduced.

Preferably, the device also comprises two groups of supporting plates, two groups of mounting base plates and a plurality of groups of bolts, wherein the two groups of supporting plates are fixedly mounted on the lower end surface of the base in a bilateral symmetry manner, the two groups of mounting base plates are respectively and fixedly connected with the outer end surfaces of the two groups of supporting plates, and the mounting base plates are provided with the plurality of groups of bolts in a threaded manner; the mounting substrate is fixedly connected with the ground under the action of the bolts, and can be used in a matched mode through the supporting plate to fixedly support the base, so that the situation that the device inclines when toppling over is rarely achieved, and the working stability of the device is improved.

Preferably, the protection box is fixedly installed on the lower end face of the base, the motor and the motor base are both located in the protection box, the lower end face of the protection box is communicated with a plurality of groups of heat dissipation holes, and the filter screen plate is fixedly installed on the lower end face of the protection box; through setting up the protective housing, can effectively protect the motor to through setting up the louvre, and under the cooperation of filter plate is used, can give off the heat that the motor during operation produced, can reduce the dust impurity in the outside air simultaneously and get into to the protective housing inside and influence the normal work of motor, improve the reliability of device.

Preferably, the bevel gear reducer further comprises a baffle plate, wherein the baffle plate is fixedly arranged on the upper end surface of the right shaft seat and is positioned right above the first bevel gear and the second bevel gear; through setting up the baffle, can protect the connection transmission between first bevel gear and the second bevel gear, reduce the metal liquid and spill and fall on first bevel gear or second bevel gear and cause the unable pivoted condition, further improve the reliability of device.

Preferably, a reinforcing rib is arranged at the joint between the mounting substrate and the support plate; through setting up the strengthening rib, can increase the joint strength between backup pad and the mounting substrate, reduce the condition of fracture emergence between the two to can improve the working strength of device.

Compared with the prior art, the utility model has the beneficial effects that: the second bevel gear is driven by the motor to rotate, the worm drives the half-worm gear to rotate under the connecting transmission action of the first bevel gear, so that the rotating shaft rotates, the smelting furnace can rotate around the rotating shaft under the connecting action of the connecting plate, and the smelting furnace can pour metal liquid in the smelting furnace conveniently, so that the traditional operation mode of manual pouring is replaced, the stability during pouring is improved, the metal liquid is guaranteed to be poured quickly and does not break, and the pouring effect of the device is improved; through setting up the funnel, can receive the molten metal that the smelting pot was emptyd, and under the intercommunication effect of runner, make the molten metal flow in to disappearing in the mould, inside along with the molten metal constantly enters into to disappearing the mould, make the inside air of disappearing mould enter into to the oil tank inside through ventilating air flue and blast pipe, then the air passes through the exhaust hole and discharges, and under the effect of fluid, can seal the output of blast pipe, thereby can prevent that the air from going on palirrhea, thereby reduce the condition that the foundry goods produced the gas pocket, replace the operation mode of vacuum pouring, and the production cost is reduced.

Drawings

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

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

FIG. 3 is a schematic cross-sectional axial view of a gate according to the present invention;

in the drawings, the reference numbers: 1. a base; 2. a fixed seat; 3. a rotating shaft; 4. a connecting plate; 5. a furnace; 6. a half worm gear; 7. a shaft seat; 8. a worm; 9. a first bevel gear; 10. a motor; 11. a motor base; 12. a second bevel gear; 13. a support block; 14. mounting a plate; 15. pouring a box; 16. a sand box; 17. the mould disappears; 18. a gate; 19. a funnel; 20. an exhaust pipe; 21. an oil tank; 22. a support plate; 23. a mounting substrate; 24. a bolt; 25. a protective box; 26. filtering the screen plate; 27. and a baffle plate.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 1 to 3, two sets of fixing bases 2 are symmetrically and fixedly installed at the front and back of the left portion of the upper end surface of a base 1, a rotating shaft 3 is rotatably connected with the two sets of fixing bases 2, the lower end of a connecting plate 4 is fixedly installed on the rotating shaft 3, a melting furnace 5 penetrates and is fixedly installed at the upper portion of the connecting plate 4, a half worm wheel 6 is fixedly installed on the rotating shaft 3, two sets of shaft seats 7 are fixedly installed at the upper end surface of the base 1, a worm 8 penetrates and is rotatably installed on the two sets of shaft seats 7, the worm 8 and the half worm wheel 6 are engaged with each other, a first bevel gear 9 is fixedly connected with the right end of the worm 8, a motor 10 is fixedly installed at the lower end surface of the base 1 through a motor seat 11, the output end of the motor 10 penetrates through the base 1 and is fixedly connected with a second bevel gear 12, and a second bevel gear 12 is engaged with the first bevel gear 9, two sets of supporting blocks 13 are fixedly installed at the upper end surface of the base 1, and a mounting plate 14 is fixedly installed at the upper end surfaces of the two sets of the supporting blocks 13, the pouring box 15 is fixedly arranged on the upper end surface of the mounting plate 14, the sand box 16 is arranged in the pouring box 15, the disappearing mold 17 is arranged in the sand box 16, the lower end of the pouring gate 18 extends into the sand box 16 and is contacted with the disappearing mold 17, the lower end of the funnel 19 extends into the pouring gate 18, the funnel 19 is closely contacted with the inner side wall of the pouring gate 18, two groups of air ducts are symmetrically arranged on the side wall of the pouring gate 18, the input ends of two groups of oil tanks 21 are respectively communicated with the two groups of air ducts, the two groups of oil tanks 21 are fixedly arranged in the pouring box 15 in a bilateral symmetry manner, the oil tanks 21 are provided with exhaust holes, the lower ends of the two groups of oil tanks 21 respectively extend into the lower parts of the two groups of oil tanks 21, the two groups of supporting plates 22 are fixedly arranged on the lower end surface of the base plate 1 in a bilateral symmetry manner, the two groups of mounting base plates 23 are respectively fixedly connected with the outer end surfaces of the two groups of supporting plates 22, and a plurality of bolts 24 are arranged on the mounting plates 23 in a spiral manner, the protection box 25 is fixedly installed on the lower end face of the base 1, the motor 10 and the motor base 11 are both located inside the protection box 25, the lower end face of the protection box 25 is communicated with a plurality of groups of heat dissipation holes, the filter screen plate 26 is fixedly installed on the lower end face of the protection box 25, the baffle plate 27 is fixedly installed on the upper end face of the right shaft base 7, and the baffle plate 27 is located right above the first bevel gear 9 and the second bevel gear 12; firstly, a bolt 24 is fixedly arranged in a working position area through a mounting substrate 23, the base 1 is fixedly supported under the matching use of a support plate 22, then metal is heated and melted in a smelting furnace 5, then a motor 10 is started, a second bevel gear 12 is driven by the motor 10 to rotate, a worm 8 drives a half worm wheel 6 to rotate under the connecting transmission action of a first bevel gear 9, so that a rotating shaft 3 rotates, the smelting furnace 5 rotates around the rotating shaft 3 under the connecting action of a connecting plate 4, so that the smelting furnace 5 starts to pour the metal liquid in the smelting furnace 5, the metal liquid poured out of the smelting furnace 5 is received under the matching use of a funnel 19, the metal liquid flows into a lost mold 17 under the communication action of a sprue 18, and the metal liquid continuously enters the lost mold 17, air inside the evaporative pattern 17 is let into the inside of the oil tank 21 through the vent duct and the vent pipe 20, and then the air is exhausted through the vent hole, and under the action of the oil, the output end of the exhaust duct 20 is sealed to prevent backflow of air, and then the motor 10 can be effectively protected by providing the protection box 25, and through the arrangement of the heat dissipation holes, and under the matching use of the filter screen 26, the heat generated when the motor 10 works can be dissipated, meanwhile, the dust impurities in the outside air can be prevented from entering the interior of the protective box 25 to affect the normal operation of the motor 10, and the baffle plate 27 is arranged, so that the connection transmission between the first bevel gear 9 and the second bevel gear 12 can be protected, the situation that molten metal falls on the first bevel gear 9 or the second bevel gear 12 due to spilling to cause incapability of rotating is reduced, and the reliability of the device is improved.

The pouring device for the lost foam casting is a common mechanical mode in mounting mode, connecting mode or setting mode, and can be implemented as long as the beneficial effects of the pouring device can be achieved.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A pouring device for lost foam casting castings is characterized by comprising a base (1), two groups of fixing seats (2), a rotating shaft (3), a connecting plate (4), a smelting furnace (5), a half worm gear (6), two groups of shaft seats (7), a worm (8), a first bevel gear (9), a motor (10), a motor seat (11), a second bevel gear (12) and a pouring assembly, wherein the pouring assembly is arranged at the right part of the upper end surface of the base (1), the two groups of fixing seats (2) are symmetrically and fixedly arranged at the left part of the upper end surface of the base (1) in a front-back mode, the rotating shaft (3) is rotatably connected with the two groups of fixing seats (2), the lower end of the connecting plate (4) is fixedly arranged on the rotating shaft (3), the smelting furnace (5) penetrates through and is fixedly arranged at the upper part of the connecting plate (4), the half worm gear (6) is fixedly arranged on the rotating shaft (3), and the two groups of shaft seats (7) are fixedly arranged at the upper end surface of the base (1), worm (8) run through and rotate and install on two sets of axle beds (7) to worm (8) and half worm gear (6) intermeshing, first bevel gear (9) and worm (8) right-hand member fixed connection, terminal surface under base (1) is passed through motor cabinet (11) fixed mounting in motor (10), motor (10) output pass base (1) and with second bevel gear (12) fixed connection, and second bevel gear (12) and first bevel gear (9) intermeshing.

2. The pouring device for lost foam cast castings according to claim 1, wherein the pouring assembly comprises two sets of support blocks (13), a mounting plate (14), a pouring box (15), a sand box (16), a lost foam (17), a pouring gate (18), two sets of funnels (19), two sets of exhaust pipes (20) and two sets of oil tanks (21), the two sets of support blocks (13) are fixedly mounted on the upper end surface of the base (1), the mounting plate (14) is fixedly mounted on the upper end surface of the two sets of support blocks (13), the pouring box (15) is fixedly mounted on the upper end surface of the mounting plate (14), the sand box (16) is placed inside the pouring box (15), the lost foam (17) is arranged inside the sand box (16), the lower end of the pouring gate (18) extends into the inside of the sand box (16) and contacts with the lost foam (17), the lower end of the funnels (19) extends into the pouring gate (18), and the funnels (19) are in close contact with the inner side wall of the pouring gate (18), the symmetry is equipped with two sets of air flues of ventilating on the lateral wall of runner (18), and the input of two sets of oil tanks (21) communicates with two sets of air flues each other respectively, and two sets of oil tanks (21) bilateral symmetry fixed mounting is equipped with the exhaust hole inside pouring box (15) on oil tank (21), and the lower extreme of two sets of oil tanks (21) stretches into the lower part inside two sets of oil tanks (21) respectively, and oil liquid is equipped with in oil tank (21) inside.

3. The pouring device for the lost foam casting according to claim 1, further comprising two sets of supporting plates (22), two sets of mounting substrates (23) and a plurality of sets of bolts (24), wherein the two sets of supporting plates (22) are fixedly mounted on the lower end face of the base (1) in a bilateral symmetry manner, the two sets of mounting substrates (23) are respectively fixedly connected with the outer end faces of the two sets of supporting plates (22), and the plurality of sets of bolts (24) are screwed on the mounting substrates (23).

4. The pouring device for the lost foam casting according to claim 1, further comprising a protective box (25) and a filter screen plate (26), wherein the protective box (25) is fixedly installed on the lower end face of the base (1), the motor (10) and the motor base (11) are both located inside the protective box (25), the lower end face of the protective box (25) is communicated with a plurality of groups of heat dissipation holes, and the filter screen plate (26) is fixedly installed on the lower end face of the protective box (25).

5. A pouring apparatus for a lost foam casting according to claim 1, further comprising a baffle plate (27), wherein the baffle plate (27) is fixedly installed on the upper end surface of the right shaft seat (7), and the baffle plate (27) is positioned right above the first bevel gear (9) and the second bevel gear (12).

6. A pouring apparatus for a lost foam casting product according to claim 3, wherein the joint between the mounting base plate (23) and the support plate (22) is provided with reinforcing ribs.