CN213645795U - Sand shooting cylinder - Google Patents
Sand shooting cylinder Download PDFInfo
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- CN213645795U CN213645795U CN202022017894.9U CN202022017894U CN213645795U CN 213645795 U CN213645795 U CN 213645795U CN 202022017894 U CN202022017894 U CN 202022017894U CN 213645795 U CN213645795 U CN 213645795U
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Abstract
The utility model relates to the technical field of sand casting, and provides a sand shooting barrel, which comprises a box body, wherein the box body is provided with a first cavity, and the first cavity comprises a sand inlet, a sand outlet and a sand amount limiting port; the sand inlet hopper is arranged on the box body; the baffle is movably arranged between the sand inlet and the sand inlet hopper; the first cylinder is arranged on the box body, and the output end of the first cylinder is connected with the baffle; the inflatable rubber ring is arranged on one side of the sand outlet; the air breather is provided with a second cavity which is communicated with the first cavity; the first cavity is communicated with the second cavity through the macromolecular breathable sheet; and the external inflation port is arranged on the ventilation device and is communicated with the second cavity. Through above-mentioned technical scheme, solved among the prior art not good the fluffy degree of sandblast, the inhomogeneous problem of sand mould packing.
Description
Technical Field
The utility model relates to a sand casting technical field, it is specific, relate to and penetrate a sand section of thick bamboo.
Background
At present, most alloy castings can be obtained through sand casting, and compared with other casting methods, the sand casting has the advantages of low cost, simple production process and short production period, the used molding materials are easy to obtain, the casting mold is simple and convenient to manufacture, and the requirements on single-piece production and mass production of the castings can be met. In sand casting, the most important is the quality of sand molds, and the problems of poor sand blasting bulkiness, non-uniform sand mold filling, poor mold separation and poor sand mold movement exist in the conventional sand mold molding machine.
SUMMERY OF THE UTILITY MODEL
The utility model provides a penetrate a sand section of thick bamboo, it is not good to have solved the fluffy degree of sandblast among the correlation technique, and the inhomogeneous problem is filled to the sand mould.
The technical scheme of the utility model as follows:
the sand shooting cylinder comprises a sand shooting cylinder body,
the sand-removing device comprises a box body, a sand-removing device and a sand-removing device, wherein the box body is provided with a first cavity, and the first cavity comprises a sand inlet, a sand outlet and a sand amount limiting port;
the sand inlet hopper is arranged on the box body;
the baffle is movably arranged between the sand inlet and the sand inlet hopper;
the first air cylinder is arranged on the box body, and the output end of the first air cylinder is connected with the baffle;
the inflatable rubber ring is arranged on one side of the sand outlet;
a vent having a second cavity in communication with the first cavity;
the high-molecular air-permeable sheet is arranged on the box body, and the first cavity is communicated with the second cavity through the high-molecular air-permeable sheet;
and the external inflation port is arranged on the ventilation device and is communicated with the second cavity.
As a further technical solution, it is proposed that,
the first cavity is further provided with a plurality of side openings, the side openings are linearly arranged on the box body, the polymer breathable sheets are arranged between the side openings and the first cavity, and one side of each side opening is the polymer breathable sheet on the other side of the second cavity.
As a further technical solution, it also includes,
a connecting member;
the base plate is arranged between the box body and the polymer breathable sheets, the polymer breathable sheets are arranged on the box body through connecting pieces, the base plate is provided with an opening, the opening is opposite to the side opening, the area of the opening is larger than that of the side opening and smaller than that of the polymer breathable sheets, a cavity is formed between the polymer breathable sheets and the inner wall of the box body, and the cavity is communicated with the side opening.
As a further technical solution, it is proposed that,
the ventilation device is arranged on the outer side of the box body in a protruding mode, the ventilation device is divided into a main path and a branch path, the main path winds the box body for a circle, the branch path is divided from the main path and is arranged on the box body in the other direction, the shape of the second cavity is the same as that of the ventilation device, and the side opening is arranged along the ventilation device.
As a further technical solution, it also includes,
and one end of the sand amount limiting rod is inserted into the box body through the sand amount limiting port, and the other end of the sand amount limiting rod is exposed outside the box body.
As a further technical solution, it is proposed that,
the box body further comprises a sand storage cylinder and a pressurizing cylinder, the sand storage cylinder is arranged on the pressurizing cylinder and communicated with the pressurizing cylinder, the sand storage cylinder is connected with the sand inlet, and the pressurizing cylinder is communicated with the second cavity.
As a further technical solution, it is proposed that,
the baffle is provided with a blocking part and an opening part, the opening part is communicated with the sand inlet during sand feeding, and the blocking part blocks the sand inlet during pressurization.
As a further technical solution, it also includes,
and the sand inlet hopper positioning ring is arranged on the sand inlet hopper, is positioned at the outlet of the sand inlet hopper and slides relative to the baffle.
As a further technical solution, it is proposed that,
and grooves are formed in the periphery of the sand outlet, and the air expansion rubber ring is arranged in the grooves.
As a further technical solution, it is proposed that,
and a sealing ring is arranged between the box body and the baffle plate and is arranged on the sand inlet.
The utility model discloses a theory of operation and beneficial effect do:
in the embodiment, in order to make the sand fluffy and uniformly filled, a sand shooting cylinder with an air breather and a polymer air permeable sheet is designed, specifically, the sand enters a first cavity through a sand inlet from a sand inlet hopper, the sand stops entering after the sand is sufficiently filled, and a first cylinder drives a baffle to block the sand inlet. High-pressure gas begins to fill in outside inflation inlet, and high-pressure gas gets into breather, and the rethread macromolecular air permeable sheet gets into first cavity and atomizes the grit, and the ventilative not permeable to sand characteristic of macromolecular air permeable sheet can realize filling high-pressure gas into and the grit can not spill, and the macromolecular air permeable sheet sets up on the box inner wall, can not washed away by high-pressure gas and sand. Before sand discharging, the sand outlet is aligned with the sand inlet of the sand box, the inflatable rubber ring is inflated to expand, a gap between the sand outlet and the sand inlet of the sand box is sealed, and then sand discharging is carried out. The whole process has high automation degree, good sealing performance and high air pressure, sand is fully atomized, and sand molds can be uniformly filled.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the external structure of the present invention;
FIG. 3 is a schematic sectional view of a portion of the backing plate of the present invention;
FIG. 4 is a schematic view of the baffle structure of the present invention;
FIG. 5 is a schematic view of a portion of the sealing ring of the present invention;
FIG. 6 is a schematic view of the structure of the sand outlet of the present invention;
in the figure: 13-box body, 1301-first cavity, 1302-sand inlet, 1303-sand outlet, 1304-sand amount limiting port, 1305-side opening, 1306-sand storage cylinder, 1307-pressurizing cylinder, 1308-groove, 1309-sealing ring, 14-sand inlet hopper, 15-baffle, 1501-baffle, 1502-mouth, 16-first cylinder, 17-air expansion rubber ring, 18-ventilation device, 1801-second cavity, 1803-main circuit, 1802-branch circuit, 19-high polymer ventilation sheet, 1901-cushion plate, 1902-opening, 1903-cavity, 110-external inflation port, 111-sand amount limiting rod, 112-sand inlet hopper positioning ring and 113-connecting piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
The sand shooting barrel is characterized by comprising a sand shooting barrel body,
the sand box comprises a box body 13, wherein the box body 13 is provided with a first cavity 1301, and the first cavity 1301 comprises a sand inlet 1302, a sand outlet 1303 and a sand amount limiting port 1304;
a sand inlet hopper 14, wherein the sand inlet hopper 14 is arranged on the box body 13;
the baffle 15 is movably arranged between the sand inlet 1302 and the sand inlet hopper 14;
the first air cylinder 16 is arranged on the box body 13, and the output end of the first air cylinder 16 is connected with the baffle 15;
the inflatable rubber ring 17 is arranged on one side of the sand outlet 1303;
the air vent 18, the air vent 18 has a second cavity 1801, and the second cavity 1801 is communicated with the first cavity 1301;
the high polymer air-permeable sheet 19 is arranged on the box body 13, and the first cavity 1301 is communicated with the second cavity 1801 through the high polymer air-permeable sheet 19;
an external inflation port 110, the external inflation port 110 being disposed on the venting device 18 and communicating with the second cavity 1801.
In the embodiment, in order to make sand fluffy and uniformly filled, a sand shooting cylinder with an air breather 18 and a polymer air permeable sheet 19 is designed, specifically, sand enters a first cavity 1301 from a sand inlet hopper 14 through a sand inlet 1302, sand feeding is stopped after the sand is filled enough, and a first air cylinder 16 drives a baffle 15 to block the sand inlet 1302. The external inflation inlet 110 starts to be inflated with high-pressure gas, the high-pressure gas enters the ventilation device 18, then enters the first cavity 1301 through the macromolecular air permeable sheet 19 to atomize sand, the high-pressure gas can be inflated by the macromolecular air permeable sheet 19 due to the characteristic of air permeability and sand impermeability, the sand cannot leak, and the macromolecular air permeable sheet 19 is arranged on the inner wall of the box body 13 and cannot be flushed by the high-pressure gas and the sand. Before sand discharging, the sand outlet 1303 is aligned with the sand inlet of the sand box, the inflatable rubber ring 17 is inflated to expand, a gap between the sand outlet 1303 and the sand inlet of the sand box is sealed, and then sand discharging is carried out. The whole process has high automation degree, good sealing performance and high air pressure, sand is fully atomized, and sand molds can be uniformly filled.
Further, the first cavity 1301 further has a side opening 1305, the side openings 1305 are several, and are linearly arranged on the box 13, the polymer air-permeable sheet 19 is disposed between the side opening 1305 and the first cavity 1301, and one side of the side opening 1305 is the second cavity 1801, and the other side is the polymer air-permeable sheet 19.
In this embodiment, in order to realize the communication of the cavity, a side opening 1305 is provided, specifically, the side opening 1305 is provided on the box 13 and around the backing plate 1901, and is linearly arranged, the polymer air-permeable sheet 19 is provided on the inner wall of the box 13 to block the side opening 1305, so that after high-pressure gas enters the second cavity 1801, the high-pressure gas contacts with the polymer air-permeable sheet 19 through the side openings 1305 and enters the first cavity 1301 through the polymer air-permeable sheet 19, the side opening 1305 is provided to realize the communication between the first cavity 1301 and the second cavity 1801, and the polymer air-permeable sheet 19 is provided between the two, so that the gas circulation between the two is allowed, and sand cannot pass through, thereby not only ensuring that sand can be well atomized, but also avoiding the influence on the normal process caused by the.
Further, it also includes, the connecting piece 113;
In this embodiment, in order to increase the contact area between the high-pressure gas and the polymer air-permeable sheet 19, a backing plate 1901 is provided, specifically, the connecting member 113 may be a screw, a bolt or a rivet, the backing plate 1901 is provided between the box 13 and the polymer air-permeable sheet 19, the area of the opening 1902 is larger than the area of the side opening 1305 and smaller than the area of the polymer air-permeable sheet 19, so that a cavity 1903 is formed between the polymer air-permeable sheet 19 and the inner wall of the box 13, the high-pressure gas enters the cavity 1903 through the side opening 1305, the contact area with the polymer air-permeable sheet 19 is increased, the gas uniformly penetrates through the polymer air-permeable sheet 19, and the ventilation efficiency of the sand shooting cylinder is.
Further, the air vent 18 is protrudingly provided on the outside of the case 13, the air vent 18 is divided into a main path 1802 and a branch path 1803, the main path 1802 makes one turn around the case 13, the branch path 1803 is divided from the main path 1802 and provided on the case 13 in the other direction, the second cavity 1801 has the same shape as the air vent 18, and a side opening 1305 is provided along the air vent 18.
In this embodiment, in order to realize the rapid passage of high-pressure gas, we have set up ventilation unit 18, specifically, ventilation unit 18 sets up around box 13 to contain main way 1802 and branch road 1803, high-pressure gas gets into back from outside gas charging port 110, and the second cavity is full of along main way 1802 and branch road 1803 fast, then realizes the contact with polymer gas permeable sheet 19 through side opening 1305 along ventilation unit 18 setting, realizes admitting air, and so set up, not only the shared space is less, high-pressure gas also can get into box 13 fast, has improved inflation efficiency.
Further, the sand amount limiting rod 111 is further included, one end of the sand amount limiting rod 111 is inserted into the box body 13 through the sand amount limiting port 1304, and the other end of the sand amount limiting rod 111 is exposed outside the box body 13.
In this embodiment, in order to make the sand inlet amount suitable, the sand amount limiting rod 111 is provided, specifically, the ultrasonic sensor is provided at one end of the sand amount limiting rod 111 extending into the first cavity 1301, when the sand amount reaches the setting standard, the sand amount limiting rod 111 gives an indication, and the worker can stop sand inlet, so that the sand inlet amount at each time is neither too small nor too much.
Further, the box body 13 further comprises a sand storage cylinder 1306 and a pressurizing cylinder 1307, the sand storage cylinder 1306 is arranged on the pressurizing cylinder 1307 and communicated with each other, the sand storage cylinder 1306 is connected with the sand inlet 1302, and the pressurizing cylinder 1307 is communicated with the second cavity 1801.
In the embodiment, for better sand feeding and pressurization, a sand storage cylinder 1306 and a pressurization cylinder 1307 are arranged, specifically, the sand storage cylinder 1306 and the pressurization cylinder 1307 are arranged in a communication manner, when sand is fed, sand enters the sand storage cylinder 1306 through a sand inlet 1302, after the sand is filled, the sand inlet 1302 is closed, the pressurization cylinder 1307 starts to work, high-pressure gas is filled into the pressurization cylinder 1307, and the sand storage cylinder 1306 and the pressurization cylinder 1307 work alternately to enable sand feeding, pressurization and sand discharging to be performed in order.
Further, the baffle 15 has a dam 1501 and a port 1502, the port 1502 communicates with the sand inlet 1302 during sand inlet, and the dam 1501 blocks the sand inlet 1302 during pressurization.
In this embodiment, in order to seal the sand inlet 1302, a baffle 15 is provided, specifically, when sand needs to be fed, the first cylinder 16 drives the baffle 15 to communicate the port 1502 with the sand inlet 1302, after sand feeding is stopped, in order to ensure the enhancement of air pressure, the first cylinder 16 drives the baffle 15 to block the baffle 1501 from the sand inlet 1302 before high-pressure air is filled, so as to seal the sand inlet 1302.
Further, a sand inlet hopper positioning ring 112, wherein the sand inlet hopper positioning ring 112 is arranged on the sand inlet hopper 14 and positioned at the outlet of the sand inlet hopper, and slides relative to the baffle 15.
In this embodiment, in order to make the sand inlet hopper 14 move indiscriminately, the sand inlet hopper positioning ring 112 is provided, specifically, the sand inlet hopper positioning ring 112 is sleeved on the sand inlet hopper 14, so that the sand inlet hopper 14 does not shake back and forth, and sand does not spill out.
Furthermore, a groove 1308 is arranged around the sand outlet 1303, and an air-inflated rubber ring 17 is arranged in the groove 1308.
In the embodiment, in order to ensure that the sealing in the sand discharging process is good, the inflatable rubber ring 17 is arranged, specifically, the inflatable rubber ring 17 is arranged around the sand outlet 1303, before sand discharging, the sand outlet 1303 is communicated with the sand inlet of the sand box, at the moment, the inflatable rubber ring 17 is inflated and expanded, the sand outlet 1303 is sealed with the sand inlet of the sand box, the smooth charging of high-pressure sand is ensured, and the sand cannot be sprayed out from gaps.
Further, a seal 1309 is provided between the tank 13 and the baffle 15, and the seal 1309 is provided on the sand inlet 1302.
In this embodiment, in order to realize better sealing, a sealing ring 1309 is provided, specifically, only the baffle 15 cannot realize sealing of the sand shooting barrel well, the sealing ring 1309 is provided between the baffle 15 and the sand inlet 1302, the sealing ring 1309 is provided, sealing between the baffle 15 and the sand inlet 1302 is better, and pressurization is realized more easily.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The sand shooting barrel is characterized by comprising a sand shooting barrel body,
the sand control device comprises a box body (13), wherein the box body (13) is provided with a first cavity (1301), and the first cavity (1301) comprises a sand inlet (1302), a sand outlet (1303) and a sand amount limiting port (1304);
the sand inlet hopper (14), the sand inlet hopper (14) is arranged on the box body (13);
the baffle (15) is movably arranged between the sand inlet (1302) and the sand inlet hopper (14);
the first air cylinder (16), the first air cylinder (16) is arranged on the box body (13), and the output end of the first air cylinder (16) is connected with the baffle (15);
the inflatable rubber ring (17), the inflatable rubber ring (17) is arranged on one side of the sand outlet (1303);
a vent (18), the vent (18) having a second cavity (1801), the second cavity (1801) in communication with the first cavity (1301);
the high polymer air-permeable sheet (19) is arranged on the box body (13), and the first cavity (1301) is communicated with the second cavity (1801) through the high polymer air-permeable sheet (19);
an external inflation port (110), the external inflation port (110) being disposed on the vent (18) in communication with the second cavity (1801).
2. The sand shooting barrel as claimed in claim 1,
the first cavity (1301) is further provided with a plurality of side openings (1305), the side openings (1305) are linearly arranged on the box body (13), the polymer air-permeable sheet (19) is arranged between the side openings (1305) and the first cavity (1301), one side of each side opening (1305) is the second cavity (1801), and the other side of each side opening (1305) is the polymer air-permeable sheet (19).
3. The sand shooting barrel of claim 2 further comprising,
a connecting member (113);
backing plate (1901), backing plate (1901) set up between box (13) and polymer air-permeable sheet (19), polymer air-permeable sheet (19) pass through connecting piece (113) and set up on box (13), backing plate (1901) has opening (1902), opening (1902) with side opening (1305) set up relatively, the area of opening (1902) is greater than the area of side opening (1305) and is less than the area of polymer air-permeable sheet (19), form a cavity (1903) between polymer air-permeable sheet (19) and the inner wall of box (13), cavity (1903) with side opening (1305) intercommunication.
4. The sand shooting barrel of claim 2,
the air vent device (18) is arranged outside the box body (13) in a protruding mode, the air vent device (18) is divided into a main path (1802) and a branch path (1803), the main path (1802) circles around the box body (13), the branch path (1803) is divided from the main path (1802) and is arranged on the box body (13) in the other direction, the second cavity (1801) is the same as the air vent device (18) in shape, and the side opening (1305) is arranged along the air vent device (18).
5. The sand shooting barrel of claim 1 further comprising,
one end of the sand amount limiting rod (111) is inserted into the box body (13) through the sand amount limiting port (1304), and the other end of the sand amount limiting rod (111) is exposed outside the box body (13).
6. The sand shooting barrel as claimed in claim 1,
the box body (13) further comprises a sand storage barrel (1306) and a pressurization barrel (1307), the sand storage barrel (1306) is arranged on the pressurization barrel (1307) and communicated with each other, the sand storage barrel (1306) is connected with the sand inlet (1302), and the pressurization barrel (1307) is communicated with the second cavity (1801).
7. The sand shooting barrel as claimed in claim 1,
the baffle (15) is provided with a blocking part (1501) and a port part (1502), the port part (1502) is communicated with the sand inlet (1302) during sand inlet, and the blocking part (1501) blocks the sand inlet (1302) during pressurization.
8. The sand shooting barrel of claim 1 further comprising,
and the sand inlet hopper positioning ring (112) is arranged on the sand inlet hopper (14), is positioned at the outlet of the sand inlet hopper (14), and slides relative to the baffle (15).
9. The sand shooting barrel as claimed in claim 1,
grooves (1308) are formed in the periphery of the sand outlet (1303), and the air expansion rubber ring (17) is arranged in the grooves (1308).
10. The sand shooting barrel as claimed in claim 1,
a sealing ring (1309) is arranged between the box body (13) and the baffle plate (15), and the sealing ring (1309) is arranged on the sand inlet (1302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022017894.9U CN213645795U (en) | 2020-09-15 | 2020-09-15 | Sand shooting cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022017894.9U CN213645795U (en) | 2020-09-15 | 2020-09-15 | Sand shooting cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213645795U true CN213645795U (en) | 2021-07-09 |
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ID=76697554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022017894.9U Active CN213645795U (en) | 2020-09-15 | 2020-09-15 | Sand shooting cylinder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570893A (en) * | 2022-03-23 | 2022-06-03 | 衡水冀鑫智能机械科技有限公司 | Waste sand collecting device for sand shooting machine |
-
2020
- 2020-09-15 CN CN202022017894.9U patent/CN213645795U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570893A (en) * | 2022-03-23 | 2022-06-03 | 衡水冀鑫智能机械科技有限公司 | Waste sand collecting device for sand shooting machine |
| CN114570893B (en) * | 2022-03-23 | 2024-05-03 | 衡水冀鑫智能机械科技有限公司 | Waste sand collecting device for sand shooting machine |
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