CN212734052U - Automatic sand suction device for core making - Google Patents

Abstract

The utility model discloses an automatic sand device of inhaling of coremaking, include: the box body is provided with a feeding hole, and the bottom of the box body is provided with a discharging pipe; the blocking device is used for blocking the feed inlet and supplying air to the interior of the box body and comprises a blocking rod, an empty cylinder and an air inlet pipe, the blocking rod is in clearance fit connection with the empty cylinder, and the air inlet pipe is connected with the empty cylinder and communicated with the interior of the empty cylinder. The utility model discloses in, inside fine sand entered into the box from the feed inlet, when fine sand reached a certain amount in the box, the inside air feed of empty section of thick bamboo is given to the intake pipe, the feed inlet is plugged up in the removal of gas drive jam pole, make the inside regional airtight space that forms of the sand of not adorning of box, gaseous clearance outflow between jam pole and the empty section of thick bamboo cooperation, make the regional atmospheric pressure of not adorning sand rise, because the mesh number of fine sand is 140 meshes, the quality is very light, utilize gas pressure to discharge fine sand from the discharging pipe, reach automatic sand suction purpose, do not need the staff to carry the fine sand in bags to the feed inlet of coremaking equipment in the equipment and pour into in the equipment, staff's intensity of labour has been reduced.

Description

Automatic sand suction device for core making

Technical Field

The utility model belongs to the technical field of the manufacturing technology of technological equipment and specifically relates to an automatic sand device that inhales of coremaking.

Background

The core making is a process of making core sand into a sand core which conforms to the shape of a core box. The core making method comprises two types of manual core making and machine core making. Machined cores are often used in high volume production. The manual core making comprises: clay sand core making, oil sand core making, resin self-hardening sand core making, water glass self-hardening sand core making and the like. The machine-made core includes: a hot core box method, a warm core box method, a resin coated sand method and a cold core box method. The in-process of system core need use 140 mesh fine sand, because system core equipment is whole highly higher, when the staff added the fine sand at every turn, need carry the feed department of system core equipment with bagged fine sand, or adorn lifting by crane equipment with bagged fine sand, fall into the equipment again in, this kind of mode is wasted time and energy, exists not enoughly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic sand device of inhaling of coremaking mainly for above-mentioned technical problem.

The technical scheme of the utility model: an automatic sand suction device for core making, comprising:

the box body is provided with a feeding hole, and the bottom of the box body is provided with a discharging pipe;

the blocking device is used for blocking the feed inlet and supplying air to the interior of the box body and comprises a blocking rod, an empty cylinder and an air inlet pipe, the blocking rod is connected with the empty cylinder in a clearance fit mode, and the air inlet pipe is connected with the empty cylinder and communicated with the interior of the empty cylinder.

Preferably, the box includes feeder hopper and storage case, the feeder hopper detachable with the storage case is connected.

Preferably, the inclination angle of the bottom end face in the storage box is 20-40 degrees.

Preferably, the top of the storage box is provided with a sealing gasket.

Preferably, the air inlet pipe comprises a first air pipe, a switching pipe and a second air pipe, the air inlet pipe is connected with the switching pipe, the switching pipe is connected with the second air pipe, and a valve is arranged on the switching pipe.

Preferably, the blocking device further comprises a fixing plate and a bolt, the hollow cylinder is arranged on the fixing plate, and the fixing plate is connected with the feed hopper through the bolt.

Preferably, the plugging rod comprises a plugging head, a connecting rod and a plugging plate, the plugging plate is connected with the inside of the hollow cylinder in a sliding mode, one end of the connecting rod is connected with the plugging head, and the other end of the connecting rod is connected with the plugging plate.

Preferably, the plugging head is arc-shaped and is a rubber plugging head.

Preferably, a through hole is formed in the hollow cylinder, and the diameter of the through hole is larger than that of the connecting rod.

The utility model has the advantages that: the utility model discloses in, fine sand enters into the box inside from the feed inlet, when fine sand reaches a certain amount in the box, the intake pipe supplies air for the inside of empty tube, gas drive jam pole removes and blocks up the feed inlet, make the inside region of not adorning sand of box form an airtight space, gas flows out from the clearance between jam pole and the cooperation of empty tube simultaneously, make the regional atmospheric pressure of not adorning sand rise, because the mesh number of fine sand is 140 meshes, the quality is very light, utilize gas pressure to discharge fine sand from the discharging pipe, reach the automatic sand of inhaling purpose, do not need the staff to carry the fine sand in bags to the feed of coremaking equipment in the equipment, or utilize lifting equipment to pour in the equipment, the time is saved, staff's intensity of labour has been reduced simultaneously; when the air inlet pipe does not supply air, the blocking rod is separated from the feed port under the action of gravity, and the sucked sand flows into the box body from the feed port.

Drawings

Fig. 1 is a schematic overall structure diagram of the preferred embodiment of the present invention;

fig. 2 is a schematic view of a plugging device according to a preferred embodiment of the present invention.

Reference numerals: the device comprises a box body 1, a feed hopper 11, a feed inlet 111, a storage box 12, a discharge pipe 121, supporting legs 122, a blocking device 2, a blocking rod 21, a blocking head 211, a connecting rod 212, a blocking plate 213, an empty cylinder 22, a via hole 221, an air inlet pipe 23, a first air pipe 231, an adapter pipe 232, a second air pipe 233, a fixing plate 24 and bolts 25.

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 to 2, an automatic sand suction apparatus for core making includes:

the box body 1 is provided with a feeding hole 111, and the bottom of the box body is provided with a discharging pipe 121;

the blocking device 2 is used for blocking the feeding hole 111 and supplying air to the interior of the box body 1 and comprises a blocking rod 21, an empty cylinder 22 and an air inlet pipe 23, the blocking rod 21 is in clearance fit connection with the empty cylinder 22, and the air inlet pipe 23 is connected with the empty cylinder 22 and communicated with the interior of the empty cylinder 22. The utility model discloses in, fine sand enters into inside box 1 from feed inlet 111, when fine sand reaches a certain amount in box 1, intake pipe 23 gives the inside air feed of empty section of thick bamboo 22, gas drive jam pole 21 removes and plugs up feed inlet 111, make the inside region of not adorning sand of box 1 form an airtight space, gas flows out from the clearance between jam pole 21 and the cooperation of empty section of thick bamboo 22 simultaneously, make the regional atmospheric pressure of not adorning sand rise, because the mesh number of fine sand is 140 meshes, the quality is very light, utilize gas pressure to discharge fine sand from discharging pipe 121, reach automatic sand suction purpose, do not need the staff to carry the bagged fine sand to the feed of coremaking equipment in the equipment pours into the equipment, or utilize lifting equipment to pour into in the equipment, the time is saved, staff's intensity of labour has been reduced simultaneously; when the air inlet pipe 23 is not supplied with air, the blocking rod 21 is separated from the feed opening 111 under the action of gravity, and the sucked sand flows into the box body 1 from the feed opening 111. Specifically, one side of the box body 1 is provided with an observation window for observing the sand suction amount of the box body 1; the air supply quantity of the air inlet pipe 23 is far larger than the quantity of air flowing out from the space between the blocking rod 21 and the hollow cylinder 22; the blocking rod 21 is fitted to the empty tube 22 with a maximum clearance.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

in this embodiment, box 1 includes feeder hopper 11 and storage case 12, and feeder hopper 11 detachable is connected with storage case 12, and inside convenient clearance storage case 12, the maintenance cock stem 21 of being convenient for simultaneously, parts such as empty section of thick bamboo 22 and intake pipe 23. Specifically, the observation window is arranged on one side of the material storage box 12.

In this embodiment, the inclination angle of the bottom end surface inside the storage box 12 is 20 ° to 40 °, so that no fine sand is accumulated in the storage box 12.

In this embodiment, the top of the storage box 12 is provided with a sealing gasket, and the connection between the feed hopper 11 and the storage box 12 is sealed.

In this embodiment, the air inlet pipe 23 includes a first air pipe 231, a transition pipe 232 and a second air pipe 233, the air inlet pipe 23 is connected with the transition pipe 232, the transition pipe 232 is connected with the second air pipe 233, and a valve is disposed on the transition pipe 232. Specifically, first trachea 231 one end is connected with outside air supply equipment, opens the valve on the switching pipe 232, can give the inside air feed of empty section of thick bamboo 22, makes the jam pole 21 remove and give the inside air feed of storage case 12.

In this embodiment, the plugging device 2 further includes a fixing plate 24 and a bolt 25, the hollow cylinder 22 is disposed on the fixing plate 24, and the fixing plate 24 is connected to the feeding hopper 11 through the bolt 25 to fix the hollow cylinder 22.

In this embodiment, the blocking rod 21 includes a blocking head 211, a connecting rod 212 and a blocking plate 213, the blocking plate 213 is slidably connected to the inside of the hollow cylinder 22, one end of the connecting rod 212 is connected to the blocking head 211, and the other end of the connecting rod 212 is connected to the blocking plate 213. Specifically, the blocking plate 213 is in clearance fit connection with the inner wall of the hollow cylinder 22.

In this embodiment, the plugging head 211 is arc-shaped, and the plugging head 211 is a rubber plug, so as to plug the feeding hole 111 conveniently.

In this embodiment, the hollow cylinder 22 is provided with the through hole 221, the diameter of the through hole 221 is larger than that of the connecting rod 212, so that a gap exists between the through hole 221 and the connecting rod 212, and gas can flow into the storage tank 12 from the gap between the through hole 221 and the connecting rod 212 after flowing out from the gap between the blocking plate 213 and the inner wall of the hollow cylinder 22, so that the internal gas pressure of the storage tank 12 is increased, fine sand is automatically discharged into the core making equipment by using pressure, and the purpose of automatically sucking sand is achieved.

It is to be noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 (9)

1. An automatic sand suction device for core making is characterized by comprising:

the box body (1) is provided with a feeding hole (111), and the bottom of the box body is provided with a discharging pipe (121);

the blocking device (2) is used for blocking the feed inlet (111) and supplying air to the interior of the box body (1), and comprises a blocking rod (21), an empty cylinder (22) and an air inlet pipe (23), the blocking rod (21) is connected with the empty cylinder (22) in a clearance fit mode, and the air inlet pipe (23) is connected with the empty cylinder (22) and is communicated with the interior of the empty cylinder (22).

2. The automatic sand suction device for core making according to claim 1, wherein: the box body (1) comprises a feed hopper (11) and a storage box (12), wherein the feed hopper (11) is detachably connected with the storage box (12).

3. A coring automatic sand suction device according to claim 2, wherein: the inclination angle of the inner bottom end surface of the material storage box (12) is 20-40 degrees.

4. A coring automatic sand suction device according to claim 2, wherein: the top of the material storage box (12) is provided with a sealing gasket.

5. The automatic sand suction device for core making according to claim 1, wherein: the air inlet pipe (23) comprises a first air pipe (231), a switching pipe (232) and a second air pipe (233), the air inlet pipe (23) is connected with the switching pipe (232), the switching pipe (232) is connected with the second air pipe (233), and a valve is arranged on the switching pipe (232).

6. A coring automatic sand suction device according to claim 2, wherein: the blocking device (2) further comprises a fixing plate (24) and a bolt (25), the hollow cylinder (22) is arranged on the fixing plate (24), and the fixing plate (24) is connected with the feed hopper (11) through the bolt (25).

7. The automatic sand suction device for core making according to claim 1, wherein: the blocking rod (21) comprises a blocking head (211), a connecting rod (212) and a blocking plate (213), the blocking plate (213) is connected with the inside of the hollow cylinder (22) in a sliding mode, one end of the connecting rod (212) is connected with the blocking head (211), and the other end of the connecting rod (212) is connected with the blocking plate (213).

8. An automatic sand suction device for core making according to claim 7, characterized in that: the plugging head (211) is arc-shaped, and the plugging head (211) is a rubber plugging head.

9. An automatic sand suction device for core making according to claim 7, characterized in that: the hollow cylinder (22) is provided with a via hole (221), and the diameter of the via hole (221) is larger than that of the connecting rod (212).

Images