CN213856919U - Molding sand processing apparatus for casting - Google Patents

Abstract

The utility model relates to the technical field of casting accessories, in particular to a molding sand treatment device for casting, which comprises a cooling box and an air box, wherein the inside of the cooling box is provided with a working chamber, the top end of the cooling box is provided with a feed inlet, the bottom of the cooling box is provided with a discharge outlet, a plurality of groups of arc-shaped plates are transversely arranged inside the working chamber, the plurality of groups of arc-shaped plates are divided into three layers, the two adjacent layers of arc-shaped plates are arranged in a staggered mode, the left end of the air box is provided with an air inlet, an air blower is installed at the air inlet, the right end of the air box is provided with a plurality of groups of blast pipes, the right ends of the plurality of groups of blast pipes extend into the working cavity, a plurality of groups of air outlets are formed in the front side and the rear side of the plurality of groups of blast pipes, air outlet pipes are arranged on the left side and the right side of the top end of the cooling box, filter screens are arranged below the two groups of air outlet pipes, and the air cooling device further comprises a cooling water coil pipe, a lower sieve plate, an upper sieve plate and a driving device for driving the upper sieve plate and the lower sieve plate; the cooling efficiency of the molding sand is improved, and therefore the molding sand can be rapidly recycled.

Description

Molding sand processing apparatus for casting

Technical Field

The utility model relates to a casting auxiliary device's technical field especially relates to a molding sand processing apparatus for casting.

Background

It is known, the foundry sand need cool off after using, so that rapid cycle uses, foundry sand processing apparatus is the auxiliary device that is used for cooling down the molding sand after using, cool off the molding sand at present and generally adopt the cooler bin, the top of cooler bin is provided with the feed inlet, the bottom of cooler bin is provided with the discharge gate, the inside of cooler bin is provided with the cooling water coil pipe, the molding sand passes through the feed inlet and gets into the cooler bin, the molding sand of high temperature carries out the heat exchange with the cooling water coil pipe, thereby realize the cooling to the molding sand, the molding sand after the cooling passes through the discharge gate and derives, can carry out the secondary use after carrying out subsequent sieving, current molding sand heat sink cooling efficiency is lower, influence the turnover use of molding sand, it is lower to lead to the practicality.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an improve cooling efficiency to the molding sand to guarantee the molding sand can have enough to meet the need the use fast, improve the molding sand processing apparatus for casting of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: casting molding sand processing apparatus, including the cooler bin, the inside of cooler bin is provided with the working chamber, and the top of cooler bin is provided with the feed inlet, and the bottom of cooler bin is provided with the discharge gate, still includes bellows, the inside of working chamber transversely is provided with the multiunit arc, the multiunit arc divide into three-layer, and adjacent two-layer crisscross setting between the arc, bellows are installed in the left end of cooler bin, and are provided with the air intake at the left end of bellows, air intake department installs the air-blower, and the right-hand member of bellows is provided with the multiunit blast pipe, the right-hand member of multiunit blast pipe all stretches into to the working chamber, and the multiunit blast pipe is located the below of multiunit arc respectively, and the both sides all are provided with the multiunit air outlet around the multiunit blast pipe, and the left side and the right side on cooler bin top all are provided with the tuber pipe to the filter screen is provided with below two sets of tuber pipes, the lower half region of working chamber is provided with the cooling water coil pipe, the cooling water coil pipe is located the below of multiunit arc to be provided with down the sieve between cooling water coil pipe and multiunit arc, the top of multiunit arc transversely is provided with the sieve, the outside of cooler bin is provided with carries out driven drive arrangement to last sieve and lower sieve respectively.

Preferably, drive arrangement includes driving motor, be provided with two sets of horizontal support slide rails on the preceding lateral wall of working chamber and the rear wall, the front end and the rear end of going up sieve and sieve down all are provided with and support slide rail sliding fit's pulley, the right-hand member of going up sieve and sieve down all is connected with the drive pole, the right-hand member of drive pole is provided with two sets of connecting rods, driving motor installs in the rear end of cooler bin to be provided with the pivot at driving motor's front side output, the front end of pivot stretches into to the working chamber in to be provided with the cam in the outside of pivot, the front end and the rear end of cam are provided with the guide way along the edge of cam, and the tip of two sets of connecting rods is crooked respectively and stretches into in the guide way around the cam to all be provided with the drive ball at the tip of two sets of connecting rods.

Preferably, the air outlets on the front side and the rear side of the blast pipe are arranged in an upward inclined mode.

Preferably, the inside of bellows is provided with plate heat exchanger, the input of cooling water coil pipe and plate heat exchanger's outlet pipe intercommunication, plate heat exchanger's inlet tube intercommunication outside cooling water source.

Preferably, driving motor is inverter motor, the front end of cooler bin is provided with two sets of observation holes, two sets of observation holes are located the top of upper screen plate and lower screen plate respectively to all install the transparent plate in two sets of observation holes.

Preferably, the concave surfaces of the arc plates face downwards, and the blast pipe is positioned below the concave surfaces of the arc plates.

Preferably, it is two sets of the one end of filter screen is connected with the left side wall and the right side wall of working chamber respectively, and the other end of two sets of filter screens all is connected with the interior roof of working chamber, and two sets of filter screens are located the left and right sides of feed inlet respectively, the left side and the right side on the top of going up the sieve all install the mounting bracket to all be provided with at the top of two sets of mounting brackets and carry out the clearance brush of clearing up to the filter screen.

(III) advantageous effects

Compared with the prior art, the utility model provides a molding sand processing apparatus for casting possesses following beneficial effect: this molding sand processing apparatus for casting, the molding sand of high temperature passes through the feed inlet and gets into the working chamber, at first fall on last sieve, make the even whereabouts of molding sand on the multiunit arc through last sieve sieving, the blast pipe is blown into to outside cold air through the air-blower and is blown out through the air outlet, cooling air directly carries out the heat exchange with hot molding sand in arc department, and the arc divide into the three-layer, staggered arrangement, make cooling air can fully carry out the heat exchange with the molding sand contact, and the molding sand that the cooling air that blooms can make overturns, further improve the cooling effect to the molding sand, air after the intensification is discharged from the tuber pipe after filtering through the filter screen, then cool off the molding sand through the cooling water coil pipe again, through at first carrying out the forced air cooling to the molding sand, then the rethread water is cooled down, improve the cooling efficiency to the molding sand, need not to make the molding sand keep, guarantee that the molding sand can have enough to meet the need the use fast, improve the practicality.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic plan view of the present invention;

FIG. 3 is a schematic view of the cooling box of the present invention when it is cut open;

fig. 4 is a schematic view of a part of an enlarged structure at a in fig. 3 according to the present invention;

fig. 5 is a schematic top view of the connection between the upper screen plate and the driving device of the present invention;

fig. 6 is a schematic view of the present invention at a portion B of fig. 5;

FIG. 7 is a schematic side view of the arc plate and the blower tube of the present invention;

in the drawings, the reference numbers: 1. a cooling tank; 2. a feed inlet; 3. a discharge port; 4. an air box; 5. an arc-shaped plate; 6. a blower; 7. a blast pipe; 8. an air outlet; 9. an air outlet pipe; 10. a filter screen; 11. a cooling water coil pipe; 12. a lower sieve plate; 13. an upper sieve plate; 14. a drive motor; 15. supporting the slide rail; 16. a pulley; 17. driving the rod; 18. a connecting rod; 19. a rotating shaft; 20. a cam; 21. a guide groove; 22. driving the ball; 23. a plate heat exchanger; 24. a transparent plate; 25. a mounting frame; 26. a cleaning brush.

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.

Referring to fig. 1-7, the molding sand processing device for casting of the present invention comprises a cooling box 1, a working chamber is arranged inside the cooling box 1, a feeding port 2 is arranged at the top end of the cooling box 1, a discharging port 3 is arranged at the bottom of the cooling box 1, and a wind box 4, wherein a plurality of groups of arc-shaped plates 5 are transversely arranged inside the working chamber, the plurality of groups of arc-shaped plates 5 are divided into three layers, and the adjacent two layers of arc-shaped plates 5 are arranged in a staggered manner, the wind box 4 is installed at the left end of the cooling box 1, an air inlet is arranged at the left end of the wind box 4, an air blower 6 is installed at the air inlet, a plurality of groups of blast pipes 7 are arranged at the right end of the wind box 4, the right ends of the plurality of groups of blast pipes 7 all extend into the working chamber, and the plurality of groups of blast pipes 7 are respectively located below the plurality of groups of arc-shaped plates 5, and a plurality of groups of air outlets 8 are arranged at the front and back sides of the plurality of groups of blast pipes 7, the air outlets 8 on the front side and the rear side of the blast pipe 7 are arranged in an upward inclined mode, so that molding sand can be blown upwards in an inclined mode by hot air, the molding sand can be blown up, the molding sand can be made to turn over, the left side and the right side of the top end of the cooling box 1 are provided with the air outlet pipes 9, the filter screens 10 are arranged below the two groups of air outlet pipes 9, the lower half area of the working cavity is provided with the cooling water coil pipe 11, the cooling water coil pipe 11 is located below the multiple groups of arc-shaped plates 5, the lower sieve plates 12 are arranged between the cooling water coil pipe 11 and the multiple groups of arc-shaped plates 5, the upper sieve plates 13 are transversely arranged above the multiple groups of arc-shaped plates 5, and the outer side of the cooling box 1 is provided with a driving device for driving the upper sieve plates 13 and the lower sieve plates 12 respectively; the molding sand of high temperature gets into the working chamber through feed inlet 2, at first, fall on last sieve 13, make the molding sand even fall to multiunit arc 5 after sieving through last sieve 13, blast pipe 7 and the air outlet 8 of blowing in the outside cold air through air-blower 6, the cooling air directly carries out the heat exchange with hot molding sand in arc 5 department, and arc 5 divide into the three-layer, the setting is crisscross, make the cooling air fully contact with the molding sand and carry out the heat exchange, and the molding sand that the cooling air that blooms can make overturns, further improve the cooling effect to the molding sand, the air after the intensification is discharged from air-out pipe 9 after filtering through filter screen 10, then the rethread water coil pipe 11 cools off the molding sand, through at first carrying out the forced air cooling to the molding sand, then rethread water cools down, improve the cooling efficiency to the molding sand, need not to make the molding sand keep in cooler bin 1 again, guarantee that the molding sand can have enough to meet the need the use fast, improve the practicality.

The driving device comprises a driving motor 14, two groups of transverse supporting slide rails 15 are arranged on the front side wall and the rear side wall of the working cavity, the front ends and the rear ends of the upper sieve plate 13 and the lower sieve plate 12 are respectively provided with a pulley 16 which is in sliding fit with the supporting slide rail 15, the right ends of the upper sieve plate 13 and the lower sieve plate 12 are both connected with a driving rod 17, the right end of the driving rod 17 is provided with two groups of connecting rods 18, the driving motor 14 is arranged at the rear end of the cooling box 1, and a rotating shaft 19 is arranged at the front output end of the driving motor 14, the front end of the rotating shaft 19 extends into the working cavity, a cam 20 is arranged on the outer side of the rotating shaft 19, guide grooves 21 are arranged at the front end and the rear end of the cam 20 along the edge of the cam 20, the end parts of the two groups of connecting rods 18 are respectively bent and extended into the guide grooves 21 in the front and the rear of the cam 20, and driving balls 22 are arranged at the end parts of the two groups of connecting rods 18; drive pivot 19 and cam 20 through driving motor 14 and rotate, drive ball 22 and be located guide way 21 to make cam 20 pass through connecting rod 18 and drive pole 17 and drive up and down reciprocating motion about sieve 12, carry out the equipartition to the molding sand, driving motor 14 is inverter motor, the front end of cooler bin 1 is provided with two sets of observation holes, two sets of observation holes are located sieve 13 and lower sieve 12's top respectively, and all install transparent plate 24 in two sets of observation holes, can look over the long-pending material on sieve 12 from top to bottom through the observation hole, then through carrying out the frequency conversion to driving motor 14, can control the frequency of vibration of sieve 13 and sieve 12 down and adjust, adjust unloading speed.

The inside of bellows 4 is provided with plate heat exchanger 23, the input of cooling water coil pipe 11 and plate heat exchanger 23's outlet pipe intercommunication, plate heat exchanger 23's inlet tube intercommunication external cooling water source, external cooling water source at first gets into plate heat exchanger 23, cools down to the air through in the bellows 4, then gets into cooling water coil pipe 11 in to the type sand cool down.

The concave surfaces of the multiple groups of arc-shaped plates 5 face downwards, the blast pipe 7 is positioned below the concave surfaces of the arc-shaped plates 5, and molding sand cannot accumulate on the arc-shaped plates 5.

Two sets of the one end of filter screen 10 is connected with the left side wall and the right side wall of working chamber respectively, and the other end of two sets of filter screens 10 all is connected with the interior roof of working chamber, and two sets of filter screens 10 are located the left and right sides of feed inlet 2 respectively, go up the left side and the right side on the top of sieve 13 and all install mounting bracket 25 to all be provided with at the top of two sets of mounting brackets 25 and carry out the clearance brush 26 of clearing up filter screen 10, during reciprocating motion about going up sieve 13, can clear up the filter screen 10 of both sides through the clearance frame, prevent that filter screen 10 from being plugged up, influence the circulation of air.

When in use, the molding sand with high temperature enters the working cavity through the feeding hole 2, firstly falls on the upper sieve plate 13, the molding sand uniformly falls on the plurality of groups of arc-shaped plates 5 after being sieved by the upper sieve plate 13, the external cold air is blown into the blast pipe 7 through the air blower 6 and is blown out through the air outlet 8, the cooling air directly exchanges heat with the hot molding sand at the arc-shaped plates 5, the arc-shaped plates 5 are divided into three layers and are arranged in a staggered manner, so that the cooling air can be fully contacted with the molding sand to exchange heat, the blown molding sand can be boiled through the blown cooling air, the cooling effect on the molding sand is further improved, the air after being heated is filtered by the filter screen 10 and then is discharged from the air outlet pipe 9, then the molding sand is cooled by the water cooling coil pipe 11, the molding sand is cooled by air cooling firstly, then the cooling water is cooled, and the cooling efficiency on the molding sand is improved, need not to make the molding sand keep in cooler bin 1 again, the molding sand after the cooling passes through the discharge gate and derives, guarantee that the molding sand can have enough to meet the need the use fast, the high practicality, outside cooling water source at first gets into plate heat exchanger 23, cool down the air in bellows 4, then cool down to the molding sand in getting into cooling water coil pipe 11 again, can look over the long-pending material on upper and lower sieve 12 through observing the hole, then through carrying out the frequency conversion to driving motor 14, can control the frequency of vibration of upper sieve 13 and lower sieve 12 and adjust, adjust the unloading speed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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 (7)

1. The utility model provides a foundry sand processing apparatus for casting, includes cooler bin (1), and the inside of cooler bin (1) is provided with the working chamber, and the top of cooler bin (1) is provided with feed inlet (2), and the bottom of cooler bin (1) is provided with discharge gate (3), its characterized in that still includes bellows (4), the inside of working chamber transversely is provided with multiunit arc (5), multiunit arc (5) divide into the three-layer, and adjacent two-layer crisscross setting between arc (5), bellows (4) are installed in the left end of cooler bin (1), and are provided with the air intake at the left end of bellows (4), air-blower (6) are installed to air intake department, and the right-hand member of bellows (4) is provided with multiunit blast pipe (7), the right-hand member of multiunit blast pipe (7) all stretches into to the working chamber to multiunit blast pipe (7) are located the below of multiunit arc (5) respectively, and both sides all are provided with multiunit air outlet (8) around multiunit blast pipe (7), and the left side and the right side on cooler bin (1) top all are provided with out tuber pipe (9) to all be provided with filter screen (10) in the below of two sets of tuber pipes (9), the lower half region of working chamber is provided with cooling water coil pipe (11), cooling water coil pipe (11) are located the below of multiunit arc (5) to be provided with down sieve (12) between cooling water coil pipe (11) and multiunit arc (5), the top of multiunit arc (5) transversely is provided with sieve (13), the outside of cooler bin (1) is provided with and carries out driven drive arrangement to last sieve (13) and lower sieve (12) respectively.

2. The molding sand processing device for casting as defined in claim 1, wherein the driving device comprises a driving motor (14), two sets of transverse supporting slide rails (15) are arranged on the front side wall and the rear side wall of the working cavity, pulleys (16) in sliding fit with the supporting slide rails (15) are arranged at the front end and the rear end of the upper screen plate (13) and the lower screen plate (12), a driving rod (17) is connected to the right end of the upper screen plate (13) and the lower screen plate (12), two sets of connecting rods (18) are arranged at the right end of the driving rod (17), the driving motor (14) is arranged at the rear end of the cooling box (1), a rotating shaft (19) is arranged at the front side output end of the driving motor (14), the front end of the rotating shaft (19) extends into the working cavity, a cam (20) is arranged at the outer side of the rotating shaft (19), guide grooves (21) are arranged at the front end and the rear end of the cam (20), the end parts of the two groups of connecting rods (18) are respectively bent and extended into the guide grooves (21) in front of and behind the cam (20), and the end parts of the two groups of connecting rods (18) are respectively provided with a driving ball (22).

3. A foundry moulding sand handling device according to claim 2, characterized in that the air outlets (8) on both the front and rear sides of the blast pipe (7) are arranged obliquely upwards.

4. The molding sand processing device for casting as defined in claim 3, wherein a plate heat exchanger (23) is arranged inside the air box (4), the input end of the cooling water coil (11) is communicated with the water outlet pipe of the plate heat exchanger (23), and the water inlet pipe of the plate heat exchanger (23) is communicated with an external cooling water source.

5. The molding sand processing device for casting as defined in claim 4, wherein the driving motor (14) is an inverter motor, the front end of the cooling box (1) is provided with two sets of observation holes which are respectively located above the upper screen plate (13) and the lower screen plate (12), and transparent plates (24) are installed in both sets of observation holes.

6. A foundry moulding sand handling device according to claim 5, characterized in that the concave surfaces of the sets of curved plates (5) are all directed downwards, and the blast pipe (7) is located below the concave surfaces of the curved plates (5).

7. The molding sand processing apparatus for casting of claim 6, characterized in that, two sets of the one end of filter screen (10) is connected with the left side wall and the right side wall of working chamber respectively, and the other end of two sets of filter screen (10) all is connected with the interior roof of working chamber, and two sets of filter screen (10) are located the left and right sides of feed inlet (2) respectively, mounting bracket (25) are all installed on the left side and the right side of the top of last sieve (13) to all be provided with at the top of two sets of mounting bracket (25) and carry out the clearance brush (26) of clearing up filter screen (10).

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