CN211563238U

CN211563238U - Vibration screening machine for foundry sand

Info

Publication number: CN211563238U
Application number: CN201921909835.3U
Authority: CN
Inventors: 许波建
Original assignee: Rudong Fengli Machinery Factory Co ltd
Current assignee: Rudong Fengli Machinery Factory Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-09-25
Anticipated expiration: 2029-11-07

Abstract

The utility model relates to a vibratory screening machine of casting molding sand, its base that includes the organism and be used for fixed organism of casting molding sand technical field, be provided with damping between organism and the base, the bottom of the body is provided with the vibrator, the organism top is provided with the hopper that is used for the feeding, be provided with first crushed aggregates mechanism between hopper and the organism, be provided with the screening mechanism that is used for carrying out the screening to the molding sand in the organism, the material receiving mouth has been seted up to organism one side, be provided with the material receiving case in the material receiving mouth, the circulation mouth has been seted up to one side that the material receiving mouth was seted up perpendicularly to the organism, one side that the circulation mouth was seted up to the organism is provided with the circulation mechanism that circulates to the material, the utility model discloses have and carry out shale shaker material and collection to the material size of.

Description

Vibration screening machine for foundry sand

Technical Field

The utility model belongs to the technical field of the foundry sand technique and specifically relates to a vibratory screening machine of foundry sand is related to.

Background

Molding sand is a material used for molding in sand casting, and basic raw materials for manufacturing the sand mold are casting sand and a sand binder. The most commonly used casting sand is siliceous sand, and when the high-temperature performance of the siliceous sand cannot meet the use requirement, special sand such as zircon sand, chromite sand, corundum sand and the like is used. In order to make the sand molds and cores with certain strength and without deformation or damage during handling, molding and pouring of liquid metal, a sand binder is generally added to the casting to bind the loose sand particles together to form the molding sand. In the recycling of molding sand, the molding sand with different particle sizes needs to be screened out for subsequent production.

The existing bulletin numbers are: chinese patent of CN209287688U discloses a vibratory screening machine of foundry sand, push away the subassembly including a left side, push away the subassembly right side, a pedestal, two lifter and multistage screening ware, push away the subassembly and push away the inside at the base with the right side all, and push away the left side that the subassembly is located the right side and push away the subassembly on a left side, push away the subassembly and push away to the right side and be connected through the transmission of belt drive assembly between the subassembly on a left side, the top of two lifter all articulates in the bottom of multistage screening ware, and be located the left and right sides of multistage screening ware bottom respectively, the upper wall of base is all passed to the bottom of two lifter, and push away the top of subassembly and push away the top contact cooperation of subassembly on the right side with a.

Above-mentioned vibrating screen machine of molding sand is when carrying out vibratory screening to the molding sand, because one side at big screening net and little screening net all sets up the discharging pipe, the size variation of the molding sand of discharge in the discharging pipe, when needs carry out used repeatedly to the molding sand, needs continue to carry out the breakage to the molding sand, leads to consuming time power.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a vibratory screening machine of casting molding sand, it has carries out the shale shaker material and collects to the molding sand to the material size of collecting need not to carry out broken effect once more for can reuse's size.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a vibratory screening machine of casting molding sand, includes the organism and is used for the base of fixed organism, be provided with damping between organism and the base, the bottom of the body is provided with the vibrator, the organism top is provided with the hopper that is used for the feeding, be provided with first crushed aggregates mechanism between hopper and the organism, be provided with the screening mechanism that is used for carrying out the screening to the molding sand in the organism, the material receiving mouth has been seted up to organism one side, be provided with the material receiving box in the material receiving mouth, the one side that the material receiving mouth was seted up perpendicularly to the organism has seted up loop exit and circulation entry, one side that the circulation exit was seted up to the organism and circulation entry is provided with carries out.

By adopting the technical scheme, after materials enter from the hopper, the materials are firstly crushed by the primary crushing mechanism, so that the materials which are solidified into blocks can be crushed, the crushed materials are sieved by the sieving mechanism arranged in the machine body, and the sieved materials enter the material receiving box, so that the materials entering the material receiving box can be directly reused; partial materials can not enter the material receiving box, the materials are discharged into the circulating mechanism through the circulating outlet, and the materials are discharged into the machine body from the circulating inlet under the action of the circulating mechanism to be screened again, so that the materials can be completely screened, and the materials in the material receiving box can be directly reused.

The utility model discloses further set up to: first crushed aggregates mechanism includes broken motor, crushing roller and is provided with a plurality of broken plectrums on the crushing roller, broken motor is fixed with hopper one side outer wall, crushing roller and broken motor coaxial coupling, the hopper outer wall still is provided with the regulator that carries out the regulation to broken motor rotational speed.

Through adopting above-mentioned technical scheme, the rotational speed of broken motor can be adjusted to the speed regulator to the slew velocity of control crushing roller to can control the broken speed to the material, carry out the first breakage to the material under the effect of broken plectrum.

The utility model discloses further set up to: screening mechanism includes first sieve, secondary crushing part and second sieve, first sieve and second sieve all incline to set up in the organism, first sieve and second sieve incline direction are opposite, the blanking mouth has been seted up to first sieve near the bottom position along the incline direction, secondary crushing part sets up in blanking mouth department, the mesh on the first sieve is greater than the mesh on the second sieve.

Through adopting above-mentioned technical scheme, first sieve carries out the sieve material once to the material, can make partial material enter into the second sieve from the mesh of first sieve and carry out the secondary sieve material, and partial material can not pass the mesh of first sieve and from rolling to blanking mouth department, carries out the secondary sieve material to the material under the effect of secondary crushing part, and the material after the crushing carries out the secondary sieve material, sieves the material to receiving in the workbin through twice sieve material.

The utility model discloses further set up to: the secondary crushing part comprises a first compression roller, a second compression roller and a crushing motor, wherein the first compression roller and the second compression roller are arranged below the blanking port, the crushing motor is provided with two crushing motors, and the two crushing motors are arranged on the outer wall of the machine body and are respectively and coaxially connected with the first compression roller and the second compression roller.

Through adopting above-mentioned technical scheme, drive first compression roller and second compression roller and carry out synchronous rotation under the rotation of crushing motor to can carry out crushing processing to the material that drops from blanking mouth department, and make the material after the crushing enter into and carry out secondary sieve material on the second sieve.

The utility model discloses further set up to: still be provided with the mechanism of breaing up in the organism, the mechanism of breaing up is located the bottom of blanking mouth, the mechanism of breaing up includes the baffle, blows the flitch and blows the material pipe, the baffle with blow the flitch and be located the bottom of first compression roller and second compression roller respectively and be connected with the organism, it has seted up a plurality of gas holes along length direction on the flitch to blow, it fixes in gas hole department to blow the material pipe, one side that the organism was provided with crushing motor is provided with the air pump for blowing the air feed of material pipe.

Through adopting above-mentioned technical scheme, the secondary crushing part is when crushing material and discharge, because there is the phenomenon of material extrusion consolidation in the extrusion of first compression roller and second compression roller to the material, blows the material pipe and blows to the material, makes the material blown away to the material can blow and beat on the baffle, thereby makes the material be difficult for appearing the consolidation.

The utility model discloses further set up to: and scraping plates are arranged on one sides of the baffle and the blowing plate close to the first compression roller and the second compression roller and are respectively contacted with the first compression roller and the second compression roller.

Through adopting above-mentioned technical scheme, all be provided with the scraper blade on baffle and the blowing board, be located the baffle and blow scraper blade one side on the flitch and contact with first compression roller and second compression roller respectively, play and scrape the effect of material to first compression roller and second compression roller, make difficult bonding material on first compression roller and the second compression roller.

The utility model discloses further set up to: circulation mechanism includes support frame, promotion belt, collecting vessel and promotion motor, the support frame is connected with the base, it sets up in the support frame to promote the belt, it promotes the belt rotation with the support frame is fixed and the drive to promote the motor, collecting vessel is connected with the promotion belt, collecting vessel open-top is located the bottom of circulation export, the organism corresponds the external circulation entry of having seted up of first screen cloth, collecting vessel's bottom is provided with the bin gate towards one side of organism, collecting vessel bottom sets up the transition chamber that supplies the bin gate income, collecting vessel wears to be equipped with the control lever bottom, be connected with a plurality of tight springs that support between bin gate and the transition chamber bottom, it establishes on the control lever to support the spring cover, the one end that the bin gate was kept away from to the control lever is connected with the handle.

Through adopting above-mentioned technical scheme, there is the condition that partial material does not sieve into receiving the workbin after the material carries out the secondary sieve material on the second sieve, and for the material that sieves falls through circulation export row to the collecting vessel, after the material through the secondary sieve material, the collecting vessel promotes to the circulation entrance under the effect that promotes motor drive promotion belt pivoted, through the pulling control lever can be convenient open the bin gate of shutoff collecting vessel to can arrange the material and carry out the circulation sieve material in material to the organism.

The utility model discloses further set up to: the bottom of the collecting barrel is provided with an inclined discharge plate.

Through adopting above-mentioned technical scheme, when opening row bin gate, because the inside slope of collecting bucket is provided with row flitch to in can all arrange the organism with all materials in the collecting bucket, the long-pending of difficult formation material stays.

The utility model discloses further set up to: a buffer frame for fixing the hopper is arranged outside the hopper, and a buffer damper is connected between the buffer frame and the machine body.

Through adopting above-mentioned technical scheme, the hopper is being fixed through the buffering frame to be connected the buffering damping between buffering frame and the organism, make when the vibrator vibrates the organism, the hopper is difficult for appearing the vibration under buffering damped effect.

To sum up, the utility model discloses a beneficial technological effect does:

1. the material entering the machine body from the hopper is primarily crushed through the primary crushing mechanism, the crushed material is screened through the screening mechanism, so that the material is screened and then discharged into the material receiving box, the material discharged into the material receiving box can be recycled, part of the material cannot enter the material receiving box after being screened through the screening mechanism, and the material which does not enter the material receiving box is discharged into the machine body again through the circulating mechanism for screening, so that the material entering the material receiving box can be recycled;

2. the material is sieved through the first sieve plate and the second sieve plate in the sieving mechanism, materials which can be recycled are sieved into the material receiving box, and the sieving efficiency of the materials is improved under the condition that the materials are crushed by the secondary crushing part, so that the efficiency of sieving the materials to the material receiving box is improved;

3. the material after the secondary crushing is scattered by a scattering mechanism, so that the crushed material is not easy to solidify;

4. the material that will not sieve in the receipts workbin through circulation mechanism is received the material and is arranged the material to the realization is carried out the circulation screening to the material, and arranges the material in the material collecting barrel and all arrange completely under the effect of row's flitch, reduces the possibility that long-pending material appears.

Drawings

Fig. 1 is a schematic view of the overall structure embodying the present embodiment.

Fig. 2 is a schematic sectional view showing the interior of the body.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic sectional view showing the internal structure of the collecting bucket.

In the figure, 1, a machine body; 11. a base; 12. damping and damping; 13. a vibrator; 14. a material receiving port; 15. a material receiving box; 16. a recycle outlet; 17. a recycle inlet; 18. a buffer frame; 19. buffering and damping; 2. a hopper; 3. a primary crushing mechanism; 31. a crushing motor; 32. a crushing roller; 33. crushing the plectrum; 34. a regulator; 4. a screening mechanism; 41. a first screen deck; 42. a second screen deck; 43. a secondary crushing member; 44. a blanking port; 45. a first press roll; 46. a second press roll; 47. crushing the motor; 5. a circulating mechanism; 51. a support frame; 52. lifting the belt; 53. a collecting barrel; 54. a hoisting motor; 55. a discharge gate; 56. a transition chamber; 57. a control lever; 571. a handle; 58. the spring is tightly propped; 59. a discharge plate; 6. a breaking mechanism; 61. a baffle plate; 62. blowing plates; 63. blowing a material pipe; 64. a gas blowing hole; 65. an air pump; 66. a scraper.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a vibratory screening machine of casting molding sand, including organism 1 and the base 11 that is used for fixed organism 1, be provided with damping 12 between organism 1 and the base 11, the bottom of organism 1 is provided with vibrator 13, the top of organism 1 is provided with the hopper 2 that is used for the feeding, the outer wall of hopper 2 is provided with the buffer frame 18 of fixed hopper 2, be connected with damping 19 between buffer frame 18 and the organism 1 top, so that when vibrator 13 vibrates, be difficult for driving hopper 2 and vibrate.

Referring to fig. 1 and 2, be provided with first crushed aggregates mechanism 3 in hopper 2, first crushed aggregates mechanism 3 includes crushing motor 31, crushing roller 32 and a plurality of broken plectrum 33 of setting on crushing roller 32, broken plectrum 33 is along the circumference array of the circumference of crushing roller 32, crushing motor 31 fixes on the outer wall of hopper 2, crushing roller 32 and crushing motor 31 coaxial coupling, so that drive the rotation of crushing roller 32 at crushing motor 31 and carry out the primary crushing to the molding sand from hopper 2 down, still be provided with the regulator 34 of adjusting the crushing motor 31 rotational speed in one side of the fixed crushing motor 31 of hopper 2, adjust the rotational speed of crushing motor 31 through regulator 34, thereby control the rotational crushing speed of broken plectrum 33.

Referring to fig. 3, a screening mechanism 4 is arranged in a machine body 1, the screening mechanism 4 includes a first screen plate 41, a secondary crushing component 43 and a second screen plate 42, the first screen plate 41 and the second screen plate 42 are both obliquely arranged in the machine body 1, the oblique directions of the first screen plate 41 and the second screen plate 42 are opposite, the mesh in the first screen plate 41 is larger than the mesh in the second screen plate 42, the material is screened twice through the first screen plate 41 and the second screen plate 42, a blanking port 44 is formed at one end of the first screen plate 41, the material which cannot be screened out from the mesh on the first screen plate 41 after being screened in the first screen plate 41 passes through the blanking port 44, the secondary crushing component 43 is located at the blanking port 44 and below the first screen plate 41, and the material which is not dried out of the first screen plate 41 enters the second screen plate 42 after passing through the secondary crushing component 43 for crushing;

seted up in one side of organism 1 and received material mouth 14, be provided with in receiving material mouth 14 and receive workbin 15, receive workbin 15 and be located the bottom of second sieve 42, carry out the molding sand sieve that can used repeatedly after the sieve material through second sieve 42 and enter into receiving workbin 15 to make the molding sand that gets into in receiving workbin 15 all can directly carry out reuse.

Referring to fig. 1 and 3, secondary crushing part 43 includes first compression roller 45, second compression roller 46 and crushing motor 47, and first compression roller 45 and second compression roller 46 all set up the below at blanking mouth 44, and crushing motor 47 is located organism 1 and deviates from the one side outer wall of seting up the bin outlet, and first compression roller 45 and second compression roller 46 all with crushing motor coaxial coupling to can crush the material of landing to blanking mouth 44 department in follow first sieve 41, and make the material after the crushing enter into and carry out the sieve material on first sieve 41.

Referring to fig. 2 and 3, a scattering mechanism 6 is further disposed in the machine body 1, the scattering mechanism 6 includes a baffle 61, a blowing plate 62 and a blowing pipe 63, the baffle 61 and the blowing plate 62 are respectively located at the bottom of the first pressing roller 45 and the bottom of the second pressing roller 46 and are connected with the machine body 1, the cross sections of the baffle 61 and the blowing plate 62 are both L-shaped, the blowing plate 62 is provided with a plurality of blowing holes 64, the blowing pipe 63 is fixed at the blowing holes 64, an air pump 65 (see fig. 1) for supplying air to the blowing pipe 63 is disposed on one side of the machine body 1 where the crushing motor 47 is disposed, the material crushed from the secondary crushing part 43 is blown away by the blowing pipe 63, and the material is blown onto the baffle 61 to form a blowing of the material, so that the material is not easy to be crushed into blocks; one side that baffle 61 and blowing board 62 are close to first compression roller 45 and second compression roller 46 all is provided with scraper blade 66, and scraper blade 66 who is connected with baffle 61 and blowing board 62 contacts with first compression roller 45 and second compression roller 46 respectively, and scraper blade 66 scrapes material to first compression roller 45 and second compression roller 46, makes difficult adhesion material on first compression roller 45 and the second compression roller 46.

Referring to fig. 2 and 4, a circulation mechanism 5 is further provided on a side of the body 1 facing away from the setting switch, the materials which are not sieved out of the second sieve plate 42 are collected through the circulating mechanism 5, and the materials which are not sieved out are discharged into the machine body 1 again for sieving, so that the materials in the material receiving box 15 can be directly reused, the circulating mechanism 5 comprises a supporting frame 51, a lifting belt 52, a material collecting barrel 53 and a lifting motor 54, the supporting frame 51 is connected with the base 11, the lifting belt 52 is vertically arranged in the supporting frame 51, the lifting motor 54 is fixed with the supporting frame 51 and drives the lifting belt 52 to rotate, the collecting barrel 53 is connected with the lifting belt 52, so that the lifting belt 52 rotates to drive the collecting barrel 53 to ascend and descend, a circulation outlet 16 is opened at one side of the machine body 1 facing the collecting barrel 53 corresponding to the bottom end of the second screen plate 42, and a circulation inlet 17 is opened at the top end position corresponding to the first screen plate 41.

Referring to fig. 2 and 4, the top opening of the collecting barrel 53 is located at the bottom of the circulation outlet 16, an inclined discharging plate 59 is arranged in the collecting barrel 53, a discharging gate 55 is arranged at one side of the bottom of the collecting barrel 53 facing the machine body 1, a transition cavity 56 for the discharging gate 55 to take in is arranged at the bottom of the collecting barrel 53, a plurality of resisting springs 58 are connected between the discharging gate 55 and the bottom of the transition cavity 56, a control rod 57 penetrates through the bottom of the collecting barrel 53, the resisting springs are sleeved on the control rod 57, and one end of the control rod 57 penetrating out of the transition cavity 56 is connected with a handle 571 convenient to pull, so that the discharging gate 55 can be conveniently opened or closed, and the resisting springs 58 tightly support the discharging gate 55 when the collecting barrel 53 receives materials, so that the materials are not easy to leak from the discharging gate 55; when the lifting belt 52 drives the collecting bucket 53 to the position of the circulating inlet 17, the pull handle 571 is pulled to pull the discharging door 55 down, so that the material in the collecting bucket 53 is completely discharged into the machine body 1 under the action of the discharging plate 59.

The implementation principle of the embodiment is as follows: carry out the breakage to the material through first crushed aggregates mechanism 3, material after the breakage gets into 1 interior memorability screening of organism, sieve the material under the effect of first sieve 41 and second sieve 42, secondary crushing mechanism 43 carries out crushing treatment to the material that does not shine out from first sieve 41, material after the crushing is difficult for appearing the consolidation under the effect of mechanism 6 of breaing up, through circulation mechanism 5 to the circulation processing of material, make the material can be sieved completely, and make and get into the material that receives in the workbin 15 after the screening and can be by reuse.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a vibratory screening machine of foundry sand, includes organism (1) and base (11) that are used for fixed organism (1), be provided with damping (12) between organism (1) and base (11), organism (1) bottom is provided with vibrator (13), its characterized in that: organism (1) top is provided with hopper (2) that are used for the feeding, be provided with first crushed aggregates mechanism (3) between hopper (2) and organism (1), be provided with screening mechanism (4) that are used for carrying out the sieve material to the molding sand in organism (1), material receiving mouth (14) have been seted up to organism (1) one side, be provided with material receiving case (15) in material receiving mouth (14), loop exit (16) and circulation entry (17) have been seted up to one side that material receiving mouth (14) were seted up perpendicularly in organism (1), one side that loop exit (16) and circulation entry (17) were seted up in organism (1) is provided with and carries out endless circulation mechanism (5) to the material.

2. The vibratory screening machine for foundry sand of claim 1, wherein: first crushed aggregates mechanism (3) include broken motor (31), crushing roller (32) and set up a plurality of broken plectrums (33) on broken roller (32), broken motor (31) are fixed with hopper (2) one side outer wall, broken roller (32) and broken motor (31) coaxial coupling, hopper (2) outer wall still is provided with regulator (34) that carry out the regulation to broken motor (31) rotational speed.

3. The vibratory screening machine for foundry sand of claim 2, wherein: screening mechanism (4) are including first sieve (41), secondary crushing part (43) and second sieve (42), first sieve (41) and second sieve (42) all incline to set up in organism (1), first sieve (41) and second sieve (42) incline opposite direction, blanking mouth (44) have been seted up to bottom position that first sieve (41) are close to along the incline direction, secondary crushing part (43) set up in blanking mouth (44) department, the mesh on first sieve (41) is greater than the mesh on second sieve (42).

4. The vibratory screening machine for foundry sand of claim 3, wherein: secondary crushing part (43) include first compression roller (45), second compression roller (46) and crushing motor (47), first compression roller (45) and second compression roller (46) all set up the below at blanking mouth (44), crushing motor (47) have two, two crushing motor (47) are located organism (1) outer wall and respectively with first compression roller (45) and second compression roller (46) coaxial coupling.

5. The vibratory screening machine for foundry sand of claim 4, wherein: still be provided with in organism (1) and break up mechanism (6), break up mechanism (6) and be located the bottom of blanking mouth (44), break up mechanism (6) including baffle (61), blow flitch (62) and blow material pipe (63), baffle (61) and blow flitch (62) are located the bottom of first compression roller (45) and second compression roller (46) respectively and are connected with organism (1), blow flitch (62) and go up to have seted up a plurality of gas holes (64) along length direction, blow material pipe (63) and fix in gas hole (64) department, one side that organism (1) was provided with crushing motor (47) is provided with air pump (65) for blowing material pipe (63) air feed.

6. The vibratory screening machine for foundry sand of claim 5, wherein: and scraping plates (66) are arranged on one sides of the baffle plate (61) and the blowing plate (62) close to the first pressing roller (45) and the second pressing roller (46), and the scraping plates (66) are respectively contacted with the first pressing roller (45) and the second pressing roller (46).

7. The vibratory screening machine for foundry sand of claim 6, wherein: the circulating mechanism (5) comprises a supporting frame (51), a lifting belt (52), a material collecting barrel (53) and a lifting motor (54), the supporting frame (51) is connected with the base (11), the lifting belt (52) is arranged in the supporting frame (51), the lifting motor (54) is fixed with the supporting frame (51) and drives the lifting belt (52) to rotate, the material collecting barrel (53) is connected with the lifting belt (52), the top opening of the material collecting barrel (53) is positioned at the bottom of the circulating outlet (16), a material discharging door (55) is arranged at one side of the bottom of the material collecting barrel (53) facing the machine body (1), a transition cavity (56) for the material discharging door (55) to take in is arranged at the bottom of the material collecting barrel, a control rod (57) is arranged at the bottom of the material collecting barrel in a penetrating manner, a plurality of abutting springs (58) are connected between the material discharging door (55) and the bottom of the transition cavity (56), the abutting spring (58) is sleeved on the control rod (57), and one end, far away from the discharge door (55), of the control rod (57) is connected with a handle (571).

8. The vibratory screening machine for foundry sand of claim 7, wherein: the bottom of the collecting barrel is provided with an inclined discharge plate (59).

9. The vibratory screening machine for foundry sand of claim 8, wherein: a buffer frame (18) for fixing the hopper (2) is arranged outside the hopper (2), and a buffer damper (19) is connected between the buffer frame (18) and the machine body (1).