CN219665058U - Fan housing casting die - Google Patents

Abstract

The utility model discloses a fan shell casting mold, which relates to the technical field of casting molds and comprises a base, a fixing frame arranged at the top of the base, a lifting plate movably arranged on the inner wall of the fixing frame, an upper mold arranged at the bottom of the lifting plate, a lower mold arranged under the upper mold, and further comprises: the supporting seat is arranged at the center of the top of the base; the cooling mechanism comprises a cooling unit arranged on the inner side of the supporting seat, a negative pressure unit arranged at the bottom of the cooling unit, and an air conveying unit arranged on the inner sides of the upper die and the lower die and communicated with the cooling unit; the mounting mechanism comprises a mounting seat and a positioning unit, wherein the mounting seat is arranged at the top of the upper die and the bottom of the lower die, and the positioning unit is arranged between the mounting seat and the upper die and between the mounting seat and the lower die. The utility model relates to a casting die for a fan shell, which shortens casting cooling time, improves heat dissipation effect and is convenient for replacing upper dies and lower dies in different scales by arranging a cooling mechanism and a mounting mechanism.

Description

Fan housing casting die

Technical Field

The utility model relates to the technical field of casting molds, in particular to a casting mold for a fan shell.

Background

The casting mould is to make the structural shape of the part by using other materials which are easy to mold in advance, then put the part into a sand mould, so that a cavity with the same structural size as the part is formed in the sand mould, and then pour the fluidity liquid into the cavity, and the liquid can be cooled and solidified to form the part with the same structural shape as the mould. The fan is a custom abbreviation for gas compression and gas conveying machinery. The gas compression and gas delivery machine is a machine that converts rotational mechanical energy into gas pressure energy and kinetic energy and delivers the gas out, thereby requiring a casting mold for blower housing processing.

Publication (bulletin) number: CN218611641U discloses a pouring mould for valve casting, which comprises a housing, the fan is all installed to the outer wall both sides of shell, the equal rigid coupling in inside top both sides of shell has the pneumatic cylinder, the output rigid coupling of pneumatic cylinder has last mould, the pouring mouth has been seted up at the top of going up the mould, the organic door is installed to the outer wall front end of shell, the inside below of shell is provided with shedder. Through driving motor, worm wheel, cooperation between connecting rod and the T shaped plate, switch on driving motor's external power supply for driving motor's output drives the worm and rotates, and the worm can drive two worm wheels simultaneously and reverse slow rotations, and the worm wheel drives the connecting rod and rotate downwards, and the connecting rod can make T shaped plate downwardly moving through the spout, and T shaped plate drives the lower mould and removes, and the support column can be with the ejecting lower mould of valve casting, realizes the automatic drawing of patterns to the valve casting, makes the drawing of patterns labour saving and time saving more, has improved production efficiency.

The above-mentioned scheme is even having the advantage that improves production efficiency, but does not set up cooling structure and cools off last mould and bed die, leads to the radiating effect relatively poor, influences casting efficiency, and its last mould of above-mentioned scheme is fixed mounting with the bed die in addition, inconvenient dismantles it, is inconvenient for changing the mould of different specifications, and we propose a fan shell casting mould for this reason.

Disclosure of Invention

The utility model mainly aims to provide a fan shell casting die, which solves the problems that a cooling device formed by a driving motor and fan blades has poor cooling effect and affects casting efficiency when in work by virtue of a cooling mechanism, and solves the problems that an upper die and a lower die are fixedly installed and are inconvenient to detach and replace dies with different specifications by virtue of a mounting mechanism.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a fan housing casting mould, includes the base, sets up in the mount at base top, the activity sets up in the lifter plate of mount inner wall, sets up in the last mould of lifter plate bottom and sets up in the lower mould under last mould, still includes:

the supporting seat is arranged at the center of the top of the base;

the cooling mechanism is arranged at the inner sides of the upper die, the lower die and the supporting seat;

the cooling mechanism comprises a cooling unit arranged on the inner side of the supporting seat, a negative pressure unit arranged at the bottom of the cooling unit, and an air conveying unit arranged on the inner sides of the upper die and the lower die and communicated with the cooling unit;

the top of the upper die and the bottom of the lower die are both provided with mounting mechanisms;

the mounting mechanism comprises a mounting seat and a positioning unit, wherein the mounting seat is arranged at the top of the upper die and the bottom of the lower die, and the positioning unit is arranged between the mounting seat and the upper die and between the mounting seat and the lower die.

Preferably, a lifting mechanism is arranged between the lifting plate and the fixing frame;

the lifting mechanism comprises a screw rod arranged on the inner wall of one side of the fixing frame and a sliding sleeve in threaded connection with the outer peripheral surface of the screw rod, a driving piece is arranged at the top end of the screw rod, the outer surface of the sliding sleeve is fixedly connected with one end of a lifting plate, and the other end of the lifting plate is movably connected with the inner wall of the other side of the fixing frame;

a pushing piece is arranged between the lifting plate and the mounting seat at the top of the upper die.

Preferably, the cooling unit comprises a frame arranged on the inner side of the supporting seat, a limiting seat arranged on the inner wall of the frame, a limiting groove arranged on the top surface of the limiting seat, a cooling fin arranged on the inner side of the limiting groove and a cooling pipe arranged at the bottom of the cooling fin.

Preferably, the cooling pipe is formed by combining a plurality of pipe bodies with S-shaped structures, and the water inlet port and the water outlet port of the cooling pipe respectively penetrate and extend to the outer side of the supporting seat.

Preferably, the negative pressure unit comprises a rectangular frame arranged on the inner wall of the supporting seat, a transmission piece arranged in the rectangular frame and fan blades arranged at the tail end of an output shaft of the transmission piece, an air outlet is formed in the side face of the supporting seat, and the air outlet is positioned at the bottom of the negative pressure unit.

Preferably, the air conveying unit comprises a first air conveying channel arranged in the side wall of the upper die, a second air conveying channel arranged in the side wall of the lower die and corresponding to the first air conveying channel in position, and a vertical channel arranged at the bottom of the second air conveying channel.

Preferably, an air inlet is formed in the top of the upper die, the air inlet is communicated with the first air conveying channel, and a filter screen is fixedly arranged in the air inlet.

Preferably, each mounting mechanism is internally provided with two groups of positioning units, and the two groups of positioning units are symmetrical about the central axis of the upper die or the lower die;

the positioning unit comprises a movable groove arranged on the side surface of the mounting seat, a reset piece with one end fixedly connected to the side wall of the movable groove, a positioning rod with one end connected with the other end of the reset piece, and a positioning hole arranged on the outer surface of the upper die or the lower die and matched with the other end of the positioning rod in size.

Preferably, the mounting mechanism further comprises a limiting unit arranged between the mounting seat and the upper die or the lower die;

the limiting unit comprises a plugboard arranged at the top of the upper die or the bottom of the lower die and a slot arranged on the side surface of the mounting seat, and the slot is matched with the plugboard in size.

Preferably, fixing seats are arranged at four corners of the bottom surface of the base.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the cooling mechanism, the screw rod is driven to rotate by the output shaft of the matched driving piece, the sliding sleeve slides along the length direction of the screw rod under the action of the screw thread pair, so that the lifting plate is driven to move downwards, the upper die is contacted with the lower die, the upper die and the lower die are pushed to be further closely attached by the output shaft of the matched pushing piece, the cast material transfers heat into the upper die and the lower die, the fan blades are driven to rotate by the rotation of the output shaft of the matched driving piece, so that air inside the supporting seat is discharged through the air outlet formed in the side surface of the air cooling mechanism, the inside of the supporting seat is in a negative pressure state, external air enters through the air inlet at the top of the upper die and sequentially passes through the first air conveying channel and the second air conveying channel, heat inside the first air conveying channel and the second air conveying channel is taken away and conveyed to the inner side of the supporting seat finally, the heat in the air cooling plate is absorbed by the matched cooling fin, the cooling fin is matched to cool the cooling fin, the heat in the upper die and the lower die is cooled, the casting cooling time is shortened, and the casting cooling effect is improved.

2. According to the utility model, the locating rod is pulled to the side far away from the mounting seat through the mounting mechanism, one end of the locating rod is separated from the locating hole, so that the limit on the upper die or the lower die is relieved, the upper die or the lower die is pulled outwards, the inserting plate is separated from the slot, the upper die or the lower die is detached, the replaced upper die or lower die is placed on the side face of the mounting seat, the inserting plate is inserted into the slot, the upper die or the lower die is initially limited, and one end of the locating rod is pulled to be clamped with the locating hole through the elastic reset function of the reset piece, so that the upper die and the lower die with different scales can be replaced conveniently.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a schematic view of the cross-sectional structure of the portion A-A of FIG. 2 according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 3C according to the present utility model;

FIG. 6 is an enlarged schematic view of the structure of FIG. 3D according to the present utility model;

FIG. 7 is a schematic plan view of a cooling tube according to the present utility model.

In the figure:

100. a base;

200. a fixing frame;

300. a lifting plate;

400. an upper die;

500. a lower die;

600. a support base;

700. a cooling mechanism; 701. a cooling unit; 7011. a frame; 7012. a limit seat; 7013. a heat sink; 7014. a cooling tube; 702. a negative pressure unit; 7021. a rectangular frame; 7022. a transmission member; 7023. a fan blade; 703. an air delivery unit; 7031. a first air delivery channel; 7032. the second air conveying channel; 7033. a vertical channel;

800. a mounting mechanism; 801. a mounting base; 802. a positioning unit; 8021. a reset member; 8022. a positioning rod; 8023. positioning holes; 803. a limit unit; 8031. inserting plate; 8032. a slot;

900. a lifting mechanism; 901. a screw rod; 902. a sliding sleeve; 903. a driving member;

1000. a pushing member.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1, 2, 3, 4, 5, 6 and 7, a fan housing casting mold includes a base 100, a fixing frame 200 disposed on the top of the base 100, a lifting plate 300 movably disposed on the inner wall of the fixing frame 200, an upper mold 400 disposed on the bottom of the lifting plate 300, and a lower mold 500 disposed under the upper mold 400, and further includes:

the support base 600, the support base 600 is installed at the top center position of the base 100;

the cooling mechanism 700, the cooling mechanism 700 is set up in the upper mould 400, lower mould 500, inboard of supporting seat 600;

the cooling mechanism 700 comprises a cooling unit 701 arranged on the inner side of the supporting seat 600, a negative pressure unit 702 arranged at the bottom of the cooling unit 701, and an air conveying unit 703 arranged on the inner sides of the upper die 400 and the lower die 500 and communicated with the cooling unit 701;

the mounting mechanism 800 is arranged at the top of the upper die 400 and at the bottom of the lower die 500;

the mounting mechanism 800 comprises a mounting seat 801 and a positioning unit 802, wherein the mounting seat 801 is arranged at the top of the upper die 400 and the bottom of the lower die 500, and the positioning unit 802 is arranged between the mounting seat 801 and the upper die 400 and between the mounting seat and the lower die 500.

A lifting mechanism 900 is arranged between the lifting plate 300 and the fixed frame 200;

the lifting mechanism 900 comprises a screw rod 901 arranged on the inner wall of one side of the fixed frame 200 and a sliding sleeve 902 in threaded connection with the outer peripheral surface of the screw rod 901, a driving piece 903 is arranged at the top end of the screw rod 901, the outer surface of the sliding sleeve 902 is fixedly connected with one end of the lifting plate 300, the other end of the lifting plate 300 is movably connected with the inner wall of the other side of the fixed frame 200, preferably the driving piece 903 is a gear motor, and the other end of the lifting plate 300 is in sliding connection with the inner wall of the fixed frame 200;

a pushing member 1000 is disposed between the lifting plate 300 and the mounting seat 801 on the top of the upper die 400, preferably, the pushing member 1000 is a hydraulic cylinder, and the upper die 400 and the lower die 500 are pushed to be further closely attached by an output shaft of the pushing member 1000.

The cooling unit 701 includes a frame 7011 disposed inside the supporting seat 600, a limiting seat 7012 mounted on an inner wall of the frame 7011, a limiting groove disposed on a top surface of the limiting seat 7012, a cooling fin 7013 disposed inside the limiting groove, and a cooling tube 7014 disposed at a bottom of the cooling fin 7013, preferably, a plurality of limiting grooves disposed at equal intervals are disposed on top surfaces of the limiting seats 7012, each limiting groove is inserted with the cooling fin 7013, a plurality of cooling holes are disposed on the cooling fin 7013, and a contact area with air inside the supporting seat 600 is increased, and a bottom surface of the cooling fin 7013 is in an arc structure and is attached to a surface of the cooling tube 7014.

The cooling tube 7014 is formed by combining a plurality of S-shaped tube bodies, and the water inlet port and the water outlet port of the cooling tube 7014 respectively penetrate and extend to the outer side of the supporting seat 600, preferably the tube bodies with the S-shaped structures are connected end to end, so that the length of the cooling tube 7014 at the inner side of the supporting seat 600 is increased, and the cooling effect is improved.

The negative pressure unit 702 comprises a rectangular frame 7021 arranged on the inner wall of the support base 600, a transmission member 7022 arranged in the rectangular frame 7021 and a fan blade 7023 arranged at the tail end of an output shaft of the transmission member 7022, wherein an air outlet is formed in the side face of the support base 600, the air outlet is located at the bottom of the negative pressure unit 702, preferably the transmission member 7022 is a servo motor, and the output shaft of the transmission member 7022 drives the fan blade 7023 to rotate, so that air inside the support base 600 is discharged to the outside through the air outlet.

The air delivery unit 703 includes a first air delivery channel 7031 disposed in a sidewall of the upper mold 400, a second air delivery channel 7032 disposed in a sidewall of the lower mold 500 and corresponding to the first air delivery channel 7031, and a vertical channel 7033 disposed at a bottom of the second air delivery channel 7032, and preferably, when the upper mold 400 is attached to the lower mold 500, the first air delivery channel 7031, the second air delivery channel 7032, and the vertical channel 7033 are communicated.

An air inlet is formed in the top of the upper die 400 and is communicated with the first air conveying channel 7031, and a filter screen is fixedly arranged in the air inlet and prevents dust from entering the inner side of the first air conveying channel 7031.

When the cooling device is used, materials to be cast are poured into the lower die 500, an external cold water pipe is connected with a water inlet port of the cooling pipe 7014, the output shaft of the driving part 903 drives the screw rod 901 to rotate, the sliding sleeve 902 slides along the length direction of the screw rod 901 under the effect of the screw thread pair, the lifting plate 300 is driven to move downwards, the upper die 400 is contacted with the lower die 500, the upper die 400 and the lower die 500 are pushed to be further tightly attached through the output shaft of the pushing part 1000, the cast materials transfer high temperature to the upper die 400 and the lower die 500, the output shaft of the driving part 7022 rotates to drive the fan blades 7023 to rotate, air inside the supporting seat 600 is discharged through the air outlet formed in the side face of the cooling pipe 7022, the inside of the supporting seat 600 is in a negative pressure state, the external air enters through the air inlet at the top of the upper die 400 and sequentially passes through the first air conveying channel 7031 and the second air conveying channel 7032, heat inside the first air conveying channel 7031 is taken away and is conveyed to the vertical channel 7033, the inner side of the supporting seat 600 is finally conveyed to the inner side of the supporting seat 7013, the heat in the cooling pipe 7013 is absorbed by the cooling fin 7013, and the cooling time is shortened by cooling water flow 7013.

Embodiment two: as shown in fig. 1, 2, 3, 4, 5 and 6, a fan housing casting mold includes a base 100, a fixing frame 200 disposed at the top of the base 100, a lifting plate 300 movably disposed on an inner wall of the fixing frame 200, an upper mold 400 disposed at the bottom of the lifting plate 300, and a lower mold 500 disposed under the upper mold 400, and further includes:

the support base 600, the support base 600 is installed at the top center position of the base 100;

the cooling mechanism 700, the cooling mechanism 700 is set up in the upper mould 400, lower mould 500, inboard of supporting seat 600;

the cooling mechanism 700 comprises a cooling unit 701 arranged on the inner side of the supporting seat 600, a negative pressure unit 702 arranged at the bottom of the cooling unit 701, and an air conveying unit 703 arranged on the inner sides of the upper die 400 and the lower die 500 and communicated with the cooling unit 701;

the mounting mechanism 800 is arranged at the top of the upper die 400 and at the bottom of the lower die 500;

the mounting mechanism 800 comprises a mounting seat 801 and a positioning unit 802, wherein the mounting seat 801 is arranged at the top of the upper die 400 and the bottom of the lower die 500, and the positioning unit 802 is arranged between the mounting seat 801 and the upper die 400 and between the mounting seat and the lower die 500.

Two groups of positioning units 802 are arranged in each mounting mechanism 800, the two groups of positioning units 802 are symmetrical with respect to the central axis of the upper die 400 or the lower die 500, and the upper die 400 and the lower die 500 are firmly fixed by arranging the two groups of positioning units 802;

the positioning unit 802 comprises a movable groove arranged on the side surface of the mounting seat 801, a reset piece 8021 with one end fixedly connected to the side wall of the movable groove, a positioning rod 8022 with one end connected with the other end of the reset piece 8021, and a positioning hole 8023 arranged on the outer surface of the upper die 400 or the lower die 500 and matched with the other end of the positioning rod 8022 in size, wherein the reset piece 8021 is preferably a reset spring, and the positioning rod 8022 is in an umbrella-handle-shaped structure.

The mounting mechanism 800 further includes a limiting unit 803 disposed between the mounting seat 801 and the upper die 400 or the lower die 500;

the limiting unit 803 comprises a plugboard 8031 arranged at the top of the upper die 400 or the bottom of the lower die 500 and a slot 8032 arranged on the side surface of the mounting seat 801, the slot 8032 is matched with the plugboard 8031 in size, and preferably, the longitudinal sections of the slot 8032 and the plugboard 8031 are of T-shaped structures, so that the plugboard 8031 and the slot 8032 are firmly spliced.

The four corners of the bottom surface of the base 100 are provided with fixing seats which support the base 100.

When the upper die 400 and the lower die 500 are required to be replaced, the positioning rod 8022 is pulled to the side far away from the mounting seat 801, one end of the positioning rod 8022 is separated from the positioning hole 8023, the limit on the upper die 400 or the lower die 500 is released, the insert plate 8031 is separated from the slot 8032 by pulling the upper die 400 or the lower die 500 outwards, the upper die 400 or the lower die 500 is detached, the replaced upper die 400 or the lower die 500 is placed on the side face of the mounting seat 801, the insert plate 8031 is inserted into the slot 8032, the upper die 400 or the lower die 500 is initially limited, and one end of the positioning rod 8022 is pulled to be clamped with the positioning hole 8023 by being matched with the elastic reset function of the reset piece 8021, so that the upper die 400 or the lower die 500 is installed.

Claims (10)

1. The utility model provides a fan housing casting mould, includes base (100), sets up in mount (200) at base (100) top, activity set up in lifter plate (300) of mount (200) inner wall, set up in last mould (400) of lifter plate (300) bottom and set up in lower mould (500) under last mould (400), its characterized in that still includes:

the support seat (600), the said support seat (600) is installed in the central position of top of the base (100);

the cooling mechanism (700) is arranged on the inner sides of the upper die (400), the lower die (500) and the supporting seat (600);

the cooling mechanism (700) comprises a cooling unit (701) arranged on the inner side of the supporting seat (600), a negative pressure unit (702) arranged at the bottom of the cooling unit (701), and an air conveying unit (703) arranged on the inner sides of the upper die (400) and the lower die (500) and communicated with the cooling unit (701);

the mounting mechanism (800) is arranged at the top of the upper die (400) and at the bottom of the lower die (500);

the mounting mechanism (800) comprises a mounting seat (801) and a positioning unit (802), wherein the mounting seat (801) is arranged at the top of the upper die (400) and the bottom of the lower die (500), and the positioning unit (802) is arranged between the mounting seat (801) and the upper die (400) and between the mounting seat and the lower die (500).

2. The blower housing casting mold of claim 1, wherein: a lifting mechanism (900) is arranged between the lifting plate (300) and the fixing frame (200);

the lifting mechanism (900) comprises a screw rod (901) arranged on the inner wall of one side of the fixed frame (200) and a sliding sleeve (902) in threaded connection with the outer peripheral surface of the screw rod (901), a driving piece (903) is arranged at the top end of the screw rod (901), the outer surface of the sliding sleeve (902) is fixedly connected with one end of the lifting plate (300), and the other end of the lifting plate (300) is movably connected with the inner wall of the other side of the fixed frame (200);

a pushing piece (1000) is arranged between the lifting plate (300) and a mounting seat (801) at the top of the upper die (400).

3. A fan housing casting mold according to claim 2, wherein: the cooling unit (701) comprises a frame (7011) arranged on the inner side of the supporting seat (600), a limiting seat (7012) arranged on the inner wall of the frame (7011), a limiting groove arranged on the top surface of the limiting seat (7012), a radiating fin (7013) arranged on the inner side of the limiting groove and a cooling tube (7014) arranged at the bottom of the radiating fin (7013).

4. A fan housing casting mold according to claim 3, wherein: the cooling pipe (7014) is formed by combining a plurality of pipe bodies with S-shaped structures, and a water inlet port and a water outlet port of the cooling pipe (7014) respectively penetrate and extend to the outer side of the supporting seat (600).

5. The blower housing casting mold as defined in claim 4, wherein: the negative pressure unit (702) comprises a rectangular frame (7021) arranged on the inner wall of the supporting seat (600), a transmission part (7022) arranged in the rectangular frame (7021) and fan blades (7023) arranged at the tail end of an output shaft of the transmission part (7022), an air outlet is formed in the side face of the supporting seat (600), and the air outlet is located at the bottom of the negative pressure unit (702).

6. The blower housing casting mold of claim 5, wherein: the air conveying unit (703) comprises a first air conveying channel (7031) arranged in the side wall of the upper die (400), a second air conveying channel (7032) arranged in the side wall of the lower die (500) and corresponding to the first air conveying channel (7031), and a vertical channel (7033) arranged at the bottom of the second air conveying channel (7032).

7. The blower housing casting mold of claim 6, wherein: an air inlet is formed in the top of the upper die (400), the air inlet is communicated with a first air conveying channel (7031), and a filter screen is fixedly arranged in the air inlet.

8. The blower housing casting mold of claim 1, wherein: two groups of positioning units (802) are arranged in each mounting mechanism (800), and the two groups of positioning units (802) are symmetrical relative to the central axis of the upper die (400) or the lower die (500);

the positioning unit (802) comprises a movable groove arranged on the side surface of the mounting seat (801), a reset piece (8021) with one end fixedly connected to the side wall of the movable groove, a positioning rod (8022) with one end connected with the other end of the reset piece (8021), and a positioning hole (8023) arranged on the outer surface of the upper die (400) or the lower die (500) and matched with the other end of the positioning rod (8022) in size.

9. The blower housing casting mold of claim 8, wherein: the mounting mechanism (800) further comprises a limiting unit (803) arranged between the mounting seat (801) and the upper die (400) or the lower die (500);

the limiting unit (803) comprises a plugboard (8031) arranged at the top of the upper die (400) or the bottom of the lower die (500) and a slot (8032) arranged on the side surface of the mounting seat (801), and the slot (8032) is matched with the plugboard (8031) in size.

10. The blower housing casting mold of claim 9, wherein: fixing seats are arranged at four corners of the bottom surface of the base (100).