CN212577455U

CN212577455U - Sand shooting machine unloader

Info

Publication number: CN212577455U
Application number: CN202021178222.XU
Authority: CN
Inventors: 李祥; 刘�东; 王伟
Original assignee: Jiangsu Keluobo Technology Co ltd
Current assignee: Jiangsu Keluobo Technology Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-02-23
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to a penetrate sand quick-witted technical field, especially relate to a penetrate sand quick-witted unloader, including adding the sand fill, adding a sand section of thick bamboo, sealed cone, it sets up to add the sand fill add the top of a sand section of thick bamboo, add the inside blanking awl fill and sealed taper plate that sets up of a sand section of thick bamboo, sealed cone and sealed taper plate will add the sand section of thick bamboo and separate into upper and lower two parts, the exhaust valve department is equipped with the fixed frame of filter and has the filter through the bolt fastening on the lateral wall of a sand section of thick bamboo. Utilize sealed cone to realize the sealed of core sand in the sand feeding section of thick bamboo, prevent sand running phenomenon appears in the sand feeding section of thick bamboo, utilize the filter to filter the gas of institute's exhaust, prevent that the sand running phenomenon from appearing in the sand shooting machine among the exhaust process. Effectively improves the working environment of workers and avoids the waste of core sand in the production process.

Description

Sand shooting machine unloader

Technical Field

The utility model relates to a penetrate sand quick-witted technical field, especially relate to a penetrate sand quick-witted unloader.

Background

The working principle of the sand shooting machine is that a core sand mixture taking thermosetting resin as a binder is injected into a sand adding cylinder, then a shooting head at the bottom shoots core sand into a core box, compressed air is used for forming the core sand, solidified gas is blown in, the core sand is demoulded after being solidified and formed, and finally the core sand is moved into a core ejecting station for core ejection. At present, a plurality of production processes use precoated sand to replace resin sand for core making, but the flowability of the precoated sand is better than that of the resin sand, so that the core sand leakage, namely the sand leakage phenomenon, can occur in the sand shooting and exhausting processes, the sand leakage not only influences the working environment of workers, but also greatly improves the production cost.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a penetrate sand machine unloader utilizes this unloader with core sand unloading to penetrate after in the sand hopper, when penetrating the sand machine and penetrate the sand, utilizes sealed cone to realize the sealed of core sand in the sand section of thick bamboo, prevents with the sand section of thick bamboo sand phenomenon appears running. When the sand shooting machine exhausts, the filter is used for filtering exhausted gas, and the sand running phenomenon of the sand shooting machine in the exhaust process is prevented. Effectively improves the working environment of workers and avoids the waste of core sand in the production process.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a discharging device of a sand shooting machine comprises a sand feeding hopper, a sand feeding barrel and a sealing cone, wherein the sand feeding barrel is a columnar shell, the interior of the sand feeding barrel is divided into an upper part and a lower part by a blanking cone hopper, the blanking cone hopper is in a conical funnel shape, the large opening of the blanking cone hopper faces upwards, the small opening of the blanking cone hopper faces downwards, the large opening of the blanking cone hopper is connected with the inner side wall of the sand feeding barrel in a welding mode, and the small opening of the blanking cone hopper is a unique channel for connecting the upper part and the lower part of the sand feeding barrel; one end of a small opening of the blanking cone hopper is connected with a sealing cone plate, the sealing cone plate is in a cone shape and funnel shape, a large opening of the sealing cone plate faces downwards, a small opening of the sealing cone plate faces upwards, and the small opening of the sealing cone plate and the small opening of the blanking cone hopper are in the same shape and are connected into a whole through welding; the top of the sand adding cylinder is provided with a sealing cylinder, a piston rod of the sealing cylinder penetrates through the top of the sand adding cylinder and extends into the sand adding cylinder, the piston rod of the sealing cylinder is connected with a sealing connecting rod through a bolt, the sealing connecting rod penetrates through the sealing conical plate, one end far away from the sealing cylinder is connected with a sealing cone, the sealing cone is a round platform-shaped entity with the same shape as the sealing conical plate, and when the piston rod of the sealing cylinder is contracted upwards, the side wall of the sealing cone can be completely attached to the inner side wall of the sealing conical plate; the space in the sand feeding cylinder below the blanking cone hopper is communicated with a sand shooting hopper of a sand shooting machine through a sand discharge port at the bottom of the sand feeding cylinder; the sand feeding hopper is positioned above the sand feeding cylinder and communicated with the sand feeding cylinder through a sand feeding pipeline, the sand feeding pipeline is provided with a gate plate, and the position of a pipe orifice on the side wall of the sand feeding cylinder of the sand feeding pipeline is higher than that of the blanking conical hopper.

Furthermore, be located on the lateral wall of sand feeding cylinder be equipped with the blast pipe on the position below the blanking awl fill, the exhaust valve is installed to the other end of blast pipe, the exhaust valve is kept away from the fixed frame of filter is installed to one side of blast pipe, the fixed frame of filter be square frame sheet metal component and through the nipple with the exhaust valve is connected, and the filter passes through the bolt fastening and is in the fixed frame of filter is kept away from one side of nipple.

Further, the outer surface of the sealing cone is coated with a wear-resistant soft material.

Furthermore, the conicity of the blanking cone hopper and the sealing cone is larger than the static angle of repose of core sand in the sand shooting machine, so that the core sand is prevented from depositing on the blanking cone hopper and the sealing cone.

Compared with the prior art, the beneficial effects of the utility model are that: when the sand shooting machine shoots sand, the sealing cone is utilized to realize the sealing of the core sand in the sand adding cylinder, so that the sand running phenomenon of the sand adding cylinder is prevented. When the sand shooting machine exhausts, the filter is used for filtering exhausted gas, and the sand running phenomenon of the sand shooting machine in the exhaust process is prevented. Effectively improves the working environment of workers and avoids the waste of core sand in the production process.

Drawings

Fig. 1 is the utility model relates to a penetrate sand machine unloader's front view sectional structure sketch map.

In the figure: 1. the device comprises a sand adding hopper, 2, a gate plate, 3, a sand adding pipeline, 4, a sealing cylinder, 5, a sand adding barrel, 6, a blanking cone hopper, 7, a sealing connecting rod, 8, a sealing cone plate, 9, a sealing cone, 10, an exhaust pipe, 11, a short connecting pipe, 12, a filter fixing frame, 13, a sand discharging opening, 14, an exhaust valve, 15 and a filter.

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 efforts belong to the protection scope of the present invention.

As shown in fig. 1, a discharging device of a sand shooting machine comprises a sand adding hopper 1, a sand adding barrel 5 and a sealing cone 9, wherein the sand adding barrel 5 is a cylindrical shell, the interior of the sand adding barrel is divided into an upper part and a lower part by a blanking cone hopper 6, the blanking cone hopper 6 is in a conical funnel shape, a large opening of the blanking cone hopper 6 faces upwards, a small opening of the blanking cone hopper 6 faces downwards, the large opening of the blanking cone hopper 6 is welded with the inner side wall of the sand adding barrel 5, and the small opening of the blanking cone hopper 6 is the only channel for connecting the upper part and the lower part of the sand adding barrel 5; one end of a small opening of the blanking cone hopper 6 is connected with a sealing cone plate 8, the sealing cone plate 8 is in a conical funnel shape, a large opening of the sealing cone plate is downward, a small opening of the sealing cone plate 8 is upward, and the small opening of the sealing cone plate 8 and the small opening of the blanking cone hopper 6 are in the same shape and are connected into a whole through welding; the top of the sand adding barrel 5 is provided with a sealing cylinder 4, a piston rod of the sealing cylinder 4 penetrates through the top of the sand adding barrel 5 and extends into the sand adding barrel 5, the piston rod of the sealing cylinder 4 is connected with a sealing connecting rod 7 through a bolt, the sealing connecting rod 7 penetrates through the sealing conical plate 8, one end far away from the sealing cylinder 4 is connected with a sealing cone 9, the sealing cone 9 is a truncated cone-shaped entity with the same shape as the sealing conical plate 8, and when the piston rod of the sealing cylinder 4 is contracted upwards, the side wall of the sealing cone 9 can be completely attached to the inner side wall of the sealing conical plate 8; the space in the sand feeding cylinder 5 below the blanking cone hopper 6 is communicated with a sand shooting hopper of a sand shooting machine through a sand discharge port 13 at the bottom of the sand feeding cylinder 5; the sand feeding hopper 1 is positioned above the sand feeding cylinder 5 and the sand feeding cylinder 5 is communicated with the sand feeding cylinder through a sand feeding pipeline 3, the sand feeding pipeline 3 is provided with a gate plate 2, and the position of a pipe orifice on the side wall of the sand feeding cylinder 5, of the sand feeding pipeline 3, is higher than the blanking cone hopper 6.

Be located on the lateral wall of sand feeding cylinder 5 be equipped with blast pipe 10 on the position below the blanking awl fill 6, exhaust valve 14 is installed to the other end of blast pipe 10, exhaust valve 14 keeps away from the fixed frame 12 of filter is installed to one side of blast pipe 10, the fixed frame 12 of filter be square frame sheet metal component and through nipple 11 with exhaust valve 14 connects, and filter 15 passes through the bolt fastening and is in the fixed frame 12 of filter is kept away from one side of nipple 11.

The outer surface of the sealing cone 9 is coated with a wear-resistant soft material.

The conicity of the blanking cone hopper 6 and the taper of the sealing cone 9 are both larger than the static repose angle of core sand in the sand shooting machine, so that the core sand is prevented from depositing on the blanking cone hopper 6 and the sealing cone 9.

The utility model discloses an operation mode as follows:

when the equipment normally operates, the flashboard 2 is always in an open state, core sand enters the sand adding barrel 5 from the sand adding hopper 1 through the sand adding pipeline 3 and falls on the blanking cone hopper 6, and falls into the bottom of the sand adding barrel 5 through a small opening in the blanking cone hopper 6 and enters the sand hopper. When the sand shooting machine shoots sand, the piston rod of the sealing cylinder 4 contracts and drives the sealing cone 9 to move towards the direction of the sealing cone plate 8, the sealing cone 9 and the sealing cone plate 8 are utilized to realize the sealing between the upper half part of the sand adding cylinder 5 and the sand shooting hopper, and the sand leakage phenomenon of the sand adding cylinder 5 is prevented. After the sand shooting is finished, because there is some compressed air to stay add sand section of thick bamboo 5 the latter half, open exhaust valve 14, some core sand can be taken away when compressed air is arranged outward, filter 15 can prevent the exhaust in-process the sand phenomenon appears running in exhaust valve 14.

When equipment breaks down, close flashboard 2 can avoid add the core sand in the sand hopper 1 continues to flow in add in the sand section of thick bamboo 5, conveniently maintains equipment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may 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

1. The utility model provides a penetrate sand quick-witted unloader, includes and adds sand hopper (1), adds a sand section of thick bamboo (5), sealed cone (9), its characterized in that: the sand feeding cylinder (5) is a cylindrical shell, the interior of the sand feeding cylinder is divided into an upper part and a lower part by a blanking cone hopper (6), the blanking cone hopper (6) is in a conical funnel shape, the large opening of the blanking cone hopper (6) faces upwards, the small opening of the blanking cone hopper faces downwards, the large opening of the blanking cone hopper (6) is connected with the inner side wall of the sand feeding cylinder (5) in a welding mode, and the small opening of the blanking cone hopper (6) is the only channel for connecting the upper part and the lower part of the sand feeding cylinder (5); one end of a small opening of the blanking cone hopper (6) is connected with a sealing cone plate (8), the sealing cone plate (8) is in a conical funnel shape, the large opening of the sealing cone plate faces downwards, the small opening of the sealing cone plate (8) faces upwards, and the small opening of the sealing cone plate (8) is consistent with the small opening of the blanking cone hopper (6) in shape and is connected into a whole through welding; the top of the sand adding cylinder (5) is provided with a sealing cylinder (4), a piston rod of the sealing cylinder (4) penetrates through the top of the sand adding cylinder (5) and extends into the sand adding cylinder (5), the piston rod of the sealing cylinder (4) is connected with a sealing connecting rod (7) through a bolt, the sealing connecting rod (7) penetrates through a sealing conical plate (8) and is connected with a sealing cone (9) at one end far away from the sealing cylinder (4), the sealing cone (9) is a truncated cone-shaped entity with the same shape as the sealing conical plate (8), and when the piston rod of the sealing cylinder (4) contracts upwards, the side wall of the sealing cone (9) can be completely attached to the inner side wall of the sealing conical plate (8); the space in the sand feeding cylinder (5) below the blanking cone hopper (6) is communicated with a sand shooting hopper of a sand shooting machine through a sand discharge port (13) at the bottom of the sand feeding cylinder (5); the sand feeding hopper (1) is located above the sand feeding cylinder (5) and communicated with the sand feeding cylinder through a sand feeding pipeline (3), the sand feeding pipeline (3) is provided with a gate plate (2), and the sand feeding pipeline (3) is located at a pipe orifice position on the side wall of the sand feeding cylinder (5) and is higher than the blanking cone hopper (6).

2. The blanking device of a sand shooting machine as recited in claim 1, characterized in that: lie in on the lateral wall of sand feeding cylinder (5) be equipped with blast pipe (10) on the position below blanking awl fill (6), exhaust valve (14) are installed to the other end of blast pipe (10), exhaust valve (14) are kept away from the fixed frame of filter (12) is installed to one side of blast pipe (10), the fixed frame of filter (12) for square frame form sheet metal component and through nipple (11) with exhaust valve (14) are connected, and filter (15) are fixed through the bolt keep away from fixed frame of filter (12) one side of nipple (11).

3. The blanking device of a sand shooting machine as recited in claim 1, characterized in that: the outer surface of the sealing cone (9) is coated with a wear-resistant soft material.

4. The blanking device of a sand shooting machine as recited in claim 1, characterized in that: the conicity of the blanking cone hopper (6) and the taper of the sealing cone (9) are both larger than the static angle of the sand in the sand shooting machine.