CN211964933U

CN211964933U - Sand screening device for casting

Info

Publication number: CN211964933U
Application number: CN201922020718.8U
Authority: CN
Inventors: 李大云
Original assignee: Individual
Current assignee: Jiahe Xiongda Casting Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-11-20
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a sand screening device for casting, which belongs to the field of sand screening devices and comprises a machine body, the machine body is arranged in an opening, the outer side wall of the top of the machine body is hinged with a machine body cover matched with the opening, the inner side wall of the machine body cover is provided with a primary screening device, the outer side wall of the machine body cover is fixedly connected with a bracelet, the inner side wall of the machine body is fixedly connected with a filter plate, a secondary screening device is arranged above the filter plate, the secondary screening device is positioned in the machine body, the upper surface of the filter plate is fixedly connected with a vibration device, a discharge hole is arranged at the inner bottom of the machine body, the inner side wall of the discharge hole is fixedly connected with a discharge pipe, the bottom of the discharge pipe penetrates through the machine body and extends downwards, so that the multi-stage screening of the casting sand can be realized, and conveniently with the casting sand clean up after screening at different levels, prevent that long-time dwell of casting sand from leading to the sieve mesh diameter to become thick and reduce the life of this device.

Description

Sand screening device for casting

Technical Field

The utility model relates to a sieve sand device field, more specifically say, relate to a sieve sand device is used in casting.

Background

Casting is a relatively early metal hot working process mastered by human beings, and refers to a processing mode of melting solid metal into liquid state, pouring the liquid state into a casting mold with a specific shape, and after the solid metal is solidified and formed, the cast metal comprises the following components: copper, iron, aluminum, tin, lead and the like, and the materials of the common casting mold are casting sand, clay, resin and other auxiliary materials, wherein in mechanical casting, the casting sand is one of the auxiliary materials which are used more frequently.

Before using casting sand, need select casting sand according to the product of casting to utilize sieve sand device to sieve casting sand, current sieve sand device is when sieving casting, and the casting of great part can stop on the screen cloth always, and until the screening process finishes, the sieve mesh diameter on the screen cloth is easily become thick under the action of gravity of casting sieve, thereby leads to the screen cloth to lose the screening function, has reduced the life of sieve sand device.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To sieve sand device sieve mesh easy grow on the screen cloth when screening casting sand among the prior art and lead to the screen cloth to lose the problem of screening function, the utility model aims to provide a sieve sand device is used in casting, it can realize the multistage screening to casting sand to the casting sand clean up after the screening at different levels is finished is convenient, prevents that long-time stop of casting sand from leading to the sieve mesh diameter to become thick and reduce the life of this device.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a sand sieving device for casting, includes the organism, the organism is the opening setting, the top lateral wall of organism articulates has the organism lid with opening looks adaptation, the inside wall of organism lid is provided with one-level screening plant, the lateral wall fixedly connected with bracelet of organism lid, the inside wall fixedly connected with filter plate of organism, the top of filter plate is provided with second grade screening plant, and second grade screening plant is located the organism, the last fixed surface of filter plate is connected with vibrator, the discharge gate has been seted up to the interior bottom of organism, the inside wall fixedly connected with discharging pipe of discharge gate, the bottom of discharging pipe runs through the organism and downwardly extending, the one end that the discharging pipe downwardly extending is connected with the bleeder valve, the lower fixed surface of organism is connected with many spinal branchs dagger; when using, through the cooperation of one-level screening plant, second grade screening plant and filter plate, effectual casting sand to getting into from the feed inlet carries out multistage screening to the convenience is gone up surplus casting sand clean up with one-level screening plant and second grade screening plant, avoids casting sand to stop for a long time, has guaranteed the longer life of this device.

Further, the primary screening device comprises a screen plate and a baffle plate which are fixedly connected with the inner side wall of the machine body cover and are arranged obliquely, a feed inlet is formed in the upper surface of the machine body cover, a discharge outlet and a chute communicated with the discharge outlet are formed in the outer side wall of the machine body cover, an L-shaped partition plate is connected to the inner side wall of the chute in a sliding mode, and a slot matched with the partition plate is formed in the inner side wall of the bottom of the discharge outlet; the sieve is the slope setting, makes things convenient for the casting sand to remove, and the baffle can effectual reduction sieve go up the translation rate of casting sand, has improved the screening effect of sieve, and the baffle prevents that the casting sand from dropping from the discharge gate when the screening.

Furthermore, the secondary screening device comprises a screening box arranged in the machine body, the top of the machine body is provided with a mounting groove, the inner side wall of the mounting groove is rotatably connected with a rotating rod, the outer side wall of the rotating rod is rotatably sleeved with a rotating block, the outer side wall of the rotating block is fixedly connected with two symmetrically arranged springs, one ends of the springs, far away from the rotating block, are fixedly connected with the inner side wall of the mounting groove, one end of the screening box is fixedly connected with the outer side wall of the rotating block, the other end of the screening box is fixedly connected with an L-shaped plate, and the top of the machine body is provided with a limiting groove matched with the L-shaped plate; utilize bull stick cooperation turning block, thereby make things convenient for the sieve case to rotate and conveniently clear up the surplus casting sand in the sieve case and pour, prevent that casting sand from stopping for a long time, the stability of sieve case when the screening has been guaranteed to the L template.

Further, the screen box comprises a return plate and a screen, and the screen is arranged in a box shape; the screen cloth conveniently accepts the casting stone that drops from the sieve, prevents simultaneously that casting sand from dropping from the edge when carrying out the secondary screening, has improved the quality of screening.

Furthermore, the vibration device comprises an installation box fixedly connected with the upper surface of the filter plate and arranged in an opening manner, a vibrator is placed in the installation box, and a box cover is inserted into the inner side wall of the top of the installation box; the vibrating device can effectively drive the filter plate to vibrate, and the screening efficiency of the filter plate on the casting sand is accelerated.

Furthermore, a fixed rod is fixedly connected to the upper surface of the filter plate, a sucker with an upward opening is fixedly connected to the top of the fixed rod, and the upper surface of the sucker is in contact with the lower surface of the square-back plate; the fixed rods are matched with the suckers, so that the filter plate can drive the screen box to vibrate when vibrating, and the screening efficiency of the screen box is improved.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is when using, through the cooperation of one-level screening plant, second grade screening plant and filter plate, effectual casting sand to getting into from the feed inlet carries out multistage screening to the convenience is with remaining casting sand clean up on one-level screening plant and the second grade screening plant, avoids casting sand to stop for a long time, has guaranteed the longer life of this device.

(2) The sieve is the slope setting, makes things convenient for the casting sand to remove, and the baffle can effectual reduction sieve go up the translation rate of casting sand, has improved the screening effect of sieve, and the baffle prevents that the casting sand from dropping from the discharge gate when the screening.

(3) Utilize bull stick cooperation turning block, thereby make things convenient for the sieve case to rotate and conveniently clear up the surplus casting sand in the sieve case and pour, prevent that casting sand from stopping for a long time, the stability of sieve case when the screening has been guaranteed to the L template.

(4) The screen cloth conveniently accepts the casting stone that drops from the sieve, prevents simultaneously that casting sand from dropping from the edge when carrying out the secondary screening, has improved the quality of screening.

(5) The vibrating device can effectively drive the filter plate to vibrate, and the screening efficiency of the filter plate on the casting sand is accelerated.

(6) The fixed rods are matched with the suckers, so that the filter plate can drive the screen box to vibrate when vibrating, and the screening efficiency of the screen box is improved.

Drawings

Fig. 1 is a schematic structural view of a sand sieving device for casting according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a top view of a machine body of a sand sieving device for casting according to the present invention;

fig. 4 is the utility model provides a vibrating device's among sand sieving device for casting structural schematic diagram.

The reference numbers in the figures illustrate:

1 organism, 2 organism covers, 3 bracelets, 4 filter plates, 5 discharging pipes, 6 bleeder valves, 7 support columns, 8 sieve boards, 9 baffles, 10 baffles, 11 sieve casees, 111 return-shaped plates, 112 screen meshes, 12 bull sticks, 13 turning blocks, 14 springs, 15 install bins, 16 bobbing machines, 17 case lids, 18 dead levers, 19 sucking discs, 20L type boards.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1-4, a sand sieving device for casting, including organism 1, organism 1 is the opening setting, the top lateral wall of organism 1 articulates there is organism lid 2 with opening looks adaptation, the inside wall of organism lid 2 is provided with one-level screening plant, one-level screening plant includes sieve 8 and baffle 9 that are the slope setting with organism lid 2 inside wall fixed connection, the feed inlet has been seted up to the upper surface of organism lid 2, the spout that discharge gate and set up with the discharge gate intercommunication is seted up to the lateral wall of organism lid 2, the inside wall sliding connection of spout has baffle 10 that is the L type setting, the slot with baffle 10 looks adaptation is seted up to the bottom inside wall of discharge gate, the lateral wall fixed connection of organism lid 2 has bracelet 3, specifically, sieve 8 is the slope setting, make things convenient for the casting sand to remove, bracelet 3 conveniently lifts up or puts down organism lid 2.

The inner side wall of the machine body 1 is fixedly connected with a filter plate 4, a second-stage screening device is arranged above the filter plate 4 and is positioned in the machine body 1, the second-stage screening device comprises a screen box 11 arranged in the machine body 1, the screen box 11 comprises a return plate 111 and a screen 112, the screen 112 is arranged in a box shape, a mounting groove is formed in the top of the machine body 1, the inner side wall of the mounting groove is rotatably connected with a rotating rod 12, the outer side wall of the rotating rod 12 is rotatably sleeved with a rotating block 13, the outer side wall of the rotating block 13 is fixedly connected with two symmetrically arranged springs 14, one end, far away from the rotating block 13, of each spring 14 is fixedly connected with the inner side wall of the mounting groove, one end of the screen box 11 is fixedly connected with the outer side wall of the rotating block 13, the other end of the screen box 11 is fixedly connected;

it should be noted that the sieve plate 8, the sieve 112 and the filter plate 4 are all provided with sieve pores, and the inner diameters of the sieve pores are sequentially reduced from front to back, so that the casting sand is sieved in multiple stages, and the spring 14 enables the rotating block 13 to be smoother in the vibrating process, so that the sieve 112 is smoother in sieving.

Wherein, the upper surface of filter plate 4 is fixedly connected with vibrator, vibrator includes the install bin 15 that is the opening setting with filter plate 4 upper surface fixed connection, vibrator 16 has been placed to the inside of install bin 15, the upper surface fixed connection of filter plate 4 has dead lever 18, the top fixedly connected with sucking disc 19 that the opening was up of dead lever 18, the upper surface and the time shape board 111 lower surface contact of sucking disc 19, install bin 15's top inside wall is inserted and is equipped with case lid 17, the discharge gate has been seted up to the interior bottom of organism 1, the inside wall fixedly connected with discharging pipe 5 of discharge gate, the bottom of discharging pipe 5 runs through organism 1 and downwardly extending, the one end that discharging pipe 5 downwardly extending is connected with bleeder valve 6, the lower surface fixed connection of organism 1 has many spinal branchs support columns 7, specifically, vibrator 16 and bleeder valve 6 are prior art, do not do here; the mounting box 15 and the box cover 17 are made of hard metal materials, damage to the vibrating machine 16 caused by collision of casting sand is prevented, the fixing rod 18 is in closer contact with the sieve box 11 through the sucking disc 19, and therefore the fixing rod 18 can drive the sieve box 11 to vibrate conveniently.

The working principle is as follows: when the machine is used, the machine body cover 2 is closed, casting sand to be screened is poured in from the feeding port, the casting sand moves downwards along the sieve plate 8 at the moment, thicker casting sand is left on the sieve plate 8 in the moving process, the rest casting sand passes through the sieve plate 8 and falls into the sieve box 11, the vibrating machine 16 works at the moment, so that the sieve plate 4 is driven to vibrate, part of vibration is transmitted to the return plate 111 through the fixing rod 18 and the sucking disc 19, the sieve 112 starts to vibrate, so that the thinner casting sand in the sieve 112 flows onto the sieve plate 4, the thicker part is left in the sieve 112, the sieve plate 4 is in a vibration state at the moment, the casting sand on the sieve plate 4 is further screened, the thinner casting sand enters the inner bottom of the machine body 1 after screening is finished, and the screened casting sand can be taken out by opening the discharge valve 6;

wherein, after the unloading, usable bracelet 3 lifts up organism lid 2 many times, thereby fully sieve out the thin casting sand on the sieve 8, then open organism lid 2 to being and being close 90 degrees states, remove baffle 10, make the thick casting sand of staying on the sieve 8 come out from the discharge gate, simultaneously after a period, lift up L template 20 and rotate sieve case 11, pour out the remaining casting sand in sieve case 11, it needs to notice, when clearing up the casting sand on sieve 8 and sieve case 11, the casting sand on the filter plate 4 is still sieving work, can not reduce the screening efficiency of casting sand because of clearing up thick casting sand, simultaneously timely clear up out the thick casting sand, avoid the casting sand to stop for a long time and lead to the sieve mesh to become thick, the longer life of this device has been guaranteed.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a sand sieving device for casting, includes organism (1), its characterized in that, organism (1) is the opening setting, the top lateral wall of organism (1) articulates has organism lid (2) with opening looks adaptation, the inside wall of organism lid (2) is provided with one-level screening plant, the lateral wall fixedly connected with bracelet (3) of organism lid (2), the inside wall fixedly connected with filter plate (4) of organism (1), the top of filter plate (4) is provided with second grade screening plant, and second grade screening plant is located organism (1), the last fixed surface of filter plate (4) is connected with vibrator, the discharge gate has been seted up to the interior bottom of organism (1), the inside wall fixedly connected with discharging pipe (5) of discharge gate, the bottom of discharging pipe (5) runs through organism (1) and downwardly extending, the one end of discharging pipe (5) downwardly extending is connected with bleeder valve (6), the lower surface of the machine body (1) is fixedly connected with a plurality of supporting columns (7).

2. The sand screening device for casting as claimed in claim 1, wherein the primary screening device comprises a screen plate (8) and a baffle plate (9) which are fixedly connected with the inner side wall of the machine body cover (2) and are obliquely arranged, a feed inlet is formed in the upper surface of the machine body cover (2), a discharge outlet and a chute communicated with the discharge outlet are formed in the outer side wall of the machine body cover (2), a partition plate (10) arranged in an L shape is connected to the inner side wall of the chute in a sliding mode, and a slot matched with the partition plate (10) is formed in the inner side wall of the bottom of the discharge outlet.

3. The sand screening device for casting according to claim 1, wherein the secondary screening device comprises a screening box (11) arranged inside a machine body (1), a mounting groove is formed in the top of the machine body (1), a rotating rod (12) is rotatably connected to the inner side wall of the mounting groove, a rotating block (13) is rotatably sleeved on the outer side wall of the rotating rod (12), two springs (14) are symmetrically arranged and fixedly connected to the outer side wall of the rotating block (13), one end, far away from the rotating block (13), of each spring (14) is fixedly connected to the inner side wall of the mounting groove, one end of the screening box (11) is fixedly connected to the outer side wall of the rotating block (13), an L-shaped plate (20) is fixedly connected to the other end of the screening box (11), and a limiting groove matched with the L-shaped plate (20) is formed in the top of the machine body (1).

4. A sand screening apparatus for foundry use according to claim 3, characterized in that the screen box (11) comprises a return plate (111) and a screen (112), the screen (112) being arranged in a box-like manner.

5. The sand screening device for casting as claimed in claim 1, wherein the vibration device comprises a mounting box (15) fixedly connected with the upper surface of the filter plate (4) and arranged in an opening, a vibrating machine (16) is placed inside the mounting box (15), and a box cover (17) is inserted into the inner side wall of the top of the mounting box (15).

6. The sand screening device for casting as claimed in claim 4, wherein a fixing rod (18) is fixedly connected to the upper surface of the filter plate (4), a suction cup (19) with an upward opening is fixedly connected to the top of the fixing rod (18), and the upper surface of the suction cup (19) is in contact with the lower surface of the return plate (111).