CN209998304U

CN209998304U - sand floating machine

Info

Publication number: CN209998304U
Application number: CN201920484136.2U
Authority: CN
Inventors: 陈奇俊
Original assignee: Zhongshan Qi Jun Hardware Machinery Co Ltd
Current assignee: Zhongshan Qi Jun Hardware Machinery Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-01-31
Anticipated expiration: 2029-04-10

Abstract

The utility model provides an kind float sand machine, be in including the sand bucket of lower part splendid attire grit and be used for driving the grit flow in the sand bucket and form the circulating device who floats the sand, be equipped with air intake, wax matrix feed inlet and air outlet on the sand bucket, be equipped with on the circulating device with the air exit that the air intake is linked together is in order to be used for right the sand bucket blast air so that the grit is in flow and form in the sand bucket and float the sand, still be equipped with on the circulating device with the inlet scoop that the air outlet is linked together is so that form circulation air flue in the sand bucket and make and float sand recoverable extremely in the circulating device, the utility model adopts the above-mentioned structure, circulating device both can order to make the grit to flow in the sand bucket and form and float sand so that the grit adhesion is on the wax matrix surface, also can retrieve superficial sand and unnecessary dust to avoid causing the pollution to the environment, reaches.

Description

sand floating machine

[ technical field ] A method for producing a semiconductor device

The utility model relates to an kind float sand machine.

[ background of the invention ]

The precision casting has high requirements on the mold material, a dewaxing method is often used for casting a mold on a precision cast product, a wax mold is manufactured according to the shape and size of the product in the manufacturing process, slurry is adhered to the surface of the wax mold, then the wax mold is repeatedly placed into a floating sand machine, sand is adhered to the surface of the wax mold, the wax mold is melted and flows out when being reheated, and the mold capable of pouring metal solution is formed.

[ Utility model ] content

The to-be-solved technical problem of the utility model is to provide kinds of superficial sand machines of environmental protection and reducible cost.

The purpose of the utility model is realized like this:

kind float sand machine, be equipped with the sand barrel of grit including the lower part splendid attire and be used for driving the grit and be in flow in the sand barrel and form the circulating device who floats the sand, be equipped with air intake, wax matrix feed inlet and air outlet on the sand barrel, circulating device be equipped with the air exit that the air intake is linked together is in order to be used for right the sand barrel blast air is in so that the grit flows in the sand barrel and forms and float sand, circulating device is last still be equipped with the inlet scoop that the air outlet is linked together so that it can retrieve to make to float sand in the sand barrel form circulation air flue and make float sand in the circulating device.

By adopting the above structure, the utility model, circulating device both can order about the grit and flow and form superficial sand so that the grit adhesion on the wax matrix surface in the sand vat, also can retrieve superficial sand and unnecessary dust to avoid causing the pollution to the environment, reach the effect of environmental protection, moreover the utility model discloses simple structure, small in size, low in manufacturing cost.

kinds of sand floaters machine as above, circulating device includes filter equipment and locates the air-blower of filter equipment lateral part, the inlet scoop is located on the filter equipment, the air exit is located on the air-blower, use the air-blower as drive arrangement to make between sand bucket and the filter equipment formation circulation air flue, the air-blower directly blows air to the sand bucket through the air exit and makes the sand flow in the sand bucket and form the superficial sand, then through the inlet scoop with superficial sand and unnecessary dust retrieve to the filter equipment in.

kinds of sand floaters machine as above, the sand bucket includes lower staving and covers and to be located upper barrel body on the staving down, wax matrix feed inlet with the air outlet is located respectively the both sides of upper barrel body.

According to the kinds of sand floaters, the middle part of the lower barrel body is provided with the partition plate so that an upper cavity and a lower cavity are formed, the upper cavity is used for containing sand, the air inlet is formed in the side part of the lower cavity, the circulating device blows air to the lower cavity through the air inlet, so that the sand contained in the upper cavity is blown and is made to generate floating sand in the upper barrel body, further, the wax mold entering from the wax mold feeding hole is adhered with the sand, and redundant floating sand is recycled to the circulating device through the air outlet of the upper barrel body.

According to the kinds of sand floaters, the side part of the filter device is provided with a through hole for connecting the air inlet end of the blower, the other side part of the filter device is provided with an air breather for preventing the circulating air passage from being blocked, and the filter device is internally provided with a filter element for preventing recovered floating sand from entering the blower.

The kinds of sand floaters machine, the breather include the return bend, the end of return bend penetrate in the filter equipment and end is equipped with the buffer inflator in addition, be equipped with the mouth of pipe that communicates with each other with the external world on the return bend, the end of penetrating of return bend is equipped with the exhaust hole, the filter core is along the axial setting of return bend end of penetrating, the air-blower except that the accessible inlet scoop induced drafts, can also induced draft through the mouth of pipe to the air-blower overload operation has been avoided.

According to the kinds of floating sand machines, the bottom of the filtering device is provided with the recovery drawer for containing the recovered floating sand, and after the recovery drawer is full of the recovered floating sand, the recovery drawer can be pulled out from the filtering device to reuse the recovered floating sand.

According to the kinds of sand floaters, the partition plate is provided with the vent holes for allowing air to pass through and blasting sand contained in the upper containing cavity.

[ description of the drawings ]

Embodiments of the present invention will be described in further detail at with reference to the accompanying drawings, in which:

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

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic cross-sectional structure diagram of the filtering apparatus of the present invention.

[ detailed description ] embodiments

kind float sand machine, be in including the sand bucket 1 that the lower part splendid attire was equipped with the grit and be used for driving the grit flow in the sand bucket 1 and form the circulating device 2 that floats the sand, be equipped with air intake 11, wax matrix feed inlet 10 and air outlet 12 on the sand bucket 1, be equipped with on the circulating device 2 with the air exit 21 that air intake 11 is linked together is in order to be used for right the sand bucket 1 blast air is in so that the grit flows in the sand bucket 1 and forms and float sand, still be equipped with on the circulating device 2 with inlet scoop 22 that the air outlet 12 is linked together is so that form circulation air flue in the sand bucket 1 and make and float sand recoverable extremely in the circulating device 2.

The circulating device 2 comprises a filtering device 23 and a blower 24 arranged on the side part of the filtering device 23, wherein the air suction opening 22 is arranged on the filtering device 23, and the air exhaust opening 21 is arranged on the blower 24.

The sand barrel 1 comprises a lower barrel body 14 and an upper barrel body 13 covering the lower barrel body 14, a wax mold feeding hole 10 and an air outlet 12 are respectively arranged on two sides of the upper barrel body 13, a partition plate 15 is arranged in the middle of the lower barrel body 14 to enable an upper containing cavity 16 and a lower containing cavity 17 to be formed, a vent hole 151 is formed in the partition plate 15, the upper containing cavity 16 is used for containing sand, and an air inlet 11 is arranged on the side portion of the lower containing cavity 17.

The side of the filter device 23 is provided with a through hole 231 for connecting the air inlet end of the blower 24, the other side of the filter device 23 is provided with an air breather 3, and the filter device 23 is internally provided with a filter element 20 for preventing the recovered floating sand from entering the blower 24.

The ventilating device 3 comprises an elbow pipe 31, an end of the elbow pipe 31 penetrates into the filtering device 23, a buffer air cylinder 32 is arranged at the other end of the elbow pipe 31, a pipe orifice 33 communicated with the outside is arranged on the elbow pipe 31, an exhaust hole 311 is arranged at the penetrating end of the elbow pipe 31, and the filter element 20 is arranged along the axial direction of the penetrating end of the elbow pipe 31.

The bottom of the filtering device 23 is provided with a recovery drawer 25 for containing recovered floating sand.

When the utility model is used, the blower 24 blows air to the lower containing cavity 17, the blown air blows sand in the upper containing cavity 16 through the vent hole 151, so that floating sand is generated in the upper barrel body 13 and sand is adhered to the wax pattern entering from the wax pattern feed port 10, the redundant floating sand is recycled to the filter device 23 through the air outlet 12 of the upper barrel body 13 under the air suction effect of the air blower 24, thereby generating a circulating air passage between the sand barrel 1 and the filtering device 23, realizing the recovery of floating sand while generating floating sand, because under the filter action of filter core 20, float in sand can not get into air-blower 24, can prevent air-blower overload operation simultaneously under air breather 3's ventilation action, float sand then in order to recycle in the recovery drawer 25 of filter equipment 23 bottom falls under the action of gravity, consequently the utility model discloses can reach the effect of environmental protection.

Claims

The utility model provides a kind float sand machine, its characterized in that includes that the lower part splendid attire is equipped with sand bucket (1) of grit and is used for driving the grit and is in flow in sand bucket (1) and form circulating device (2) that float the sand, be equipped with air intake (11), wax matrix feed inlet (10) and air outlet (12) on sand bucket (1), be equipped with on circulating device (2) with air exit (21) that air intake (11) are linked together are used for right sand bucket (1) blast so that the grit flows in sand bucket (1) and form and float the sand, still be equipped with on circulating device (2) with inlet scoop (22) that air outlet (12) are linked together so that form circulation air flue in sand bucket (1) and make and float the sand recoverable to in circulating device (2).
2. sand flotator according to claim 1, wherein the circulation device (2) comprises a filter device (23) and a blower (24) arranged at the side of the filter device (23), the suction opening (22) is arranged on the filter device (23), and the exhaust opening (21) is arranged on the blower (24).
3. type sand floating machine according to claim 1 or 2, wherein the sand barrel (1) comprises a lower barrel body (14) and an upper barrel body (13) covering the lower barrel body (14), the wax mould inlet (10) and the outlet (12) are respectively arranged at two sides of the upper barrel body (13).
4. type sand flotator according to claim 3, wherein the lower barrel (14) is provided with a partition (15) in the middle to form an upper cavity (16) and a lower cavity (17), the upper cavity (16) is used for containing sand, and the air inlet (11) is arranged at the side of the lower cavity (17).
5. type float sand machine according to claim 2, characterized in that the side of the filter device (23) is provided with a through hole (231) for connecting the air inlet end of the blower (24), the other side of the filter device (23) is provided with an air breather (3), and a filter element (20) is arranged in the filter device (23) to prevent the recovered float sand from entering the blower (24).
6. type sand floator as claimed in claim 5, wherein the aeration device (3) comprises an elbow (31), the end of the elbow (31) penetrates into the filter device (23) and the other end is provided with a buffer air cylinder (32), the elbow (31) is provided with a pipe orifice (33) communicated with the outside, the penetrating end of the elbow (31) is provided with an exhaust hole (311), and the filter element (20) is arranged along the axial direction of the penetrating end of the elbow (31).
7. The type floating sand machine of claim wherein the bottom of the filtering device (23) is provided with a recovery drawer (25) for containing recovered floating sand.
8. type sand floating machine according to claim 4, wherein the partition plate (15) is provided with a vent hole (151).