CN214977520U - Feed inlet structure of sand mixer - Google Patents
Feed inlet structure of sand mixer Download PDFInfo
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- CN214977520U CN214977520U CN202120861700.5U CN202120861700U CN214977520U CN 214977520 U CN214977520 U CN 214977520U CN 202120861700 U CN202120861700 U CN 202120861700U CN 214977520 U CN214977520 U CN 214977520U
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- sand mixer
- shell
- cover plate
- feed inlet
- roller mill
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Abstract
The utility model provides a roller mill feed inlet structure, including feedstock channel, roller mill casing, apron and drive arrangement, the roller mill casing is roller mill's shell, and feedstock channel is both ends open-ended cavity structures, and its fixed mounting is on the roller mill casing, and communicates the inside and outside both sides face of roller mill casing, and feedstock channel is close to the inboard one end opening part rotation of roller mill casing and is connected with the apron, and drive arrangement fixed mounting is on the roller mill casing, drive arrangement drive apron shelters from feedstock channel selectively. The utility model discloses can realize better protection and clearance effect to feedstock channel, material adhesion when avoiding the feeding next time is on the feedstock channel inner wall to reach the better purpose of throwing material quality control.
Description
Technical Field
The utility model relates to a casting equipment technical field especially relates to a roller mill feed inlet structure.
Background
The hot method film covering process is that the raw sand is heated to a certain temperature, then the raw sand is respectively mixed and stirred with the resin, the urotropine aqueous solution and the calcium stearate, and the film covering sand is prepared by cooling, crushing and screening. The reinforced passageway valve of current roller mill is located roller mill reinforced passageway's outside opening part, this design is favorable to the structural control management of valve, but the roller mill in-process, the high temperature and high humidity gas in the roller mill rises easily and enters into reinforced passageway, material in the high temperature and high humidity gas then the adhesion on reinforced passageway's inner wall, lead to the inner wall to be stained with glutinous, high temperature gas can heat reinforced passageway simultaneously, influence the joining of next time material, the ratio of material is added in final influence, make the quality produce undulant.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can effectively avoid the roller mill feed inlet to receive roller mill feed inlet structure of the inside high hot gas influence of roller mill.
The technical scheme of the utility model is realized like this: the utility model provides a feed inlet structure of a sand mixer, which comprises a feed channel, a sand mixer shell, a cover plate and a driving device,
the sand mixer shell is the shell of the sand mixer;
the feeding channel is a cavity structure with openings at two ends, is fixedly arranged on the sand mixer shell and is communicated with the inner side surface and the outer side surface of the sand mixer shell;
the opening at one end of the feeding channel close to the inner side of the sand mixer shell is rotatably connected with a cover plate;
the driving device is fixedly installed on the sand mixer shell, and the cover plate is driven by the driving device to selectively shield the feeding channel.
On the basis of the above technical scheme, it is preferred, drive arrangement includes guide bar, spacing arch, top tight spring and transfer line, the guide bar runs through the mulling machine casing, and the side fixed mounting that the guide bar is located the mulling machine casing outside has spacing arch, and spacing arch supports selectively and holds the surface at the mulling machine casing, and the guide bar is located the inboard one end of mulling machine casing and is connected through top tight spring and mulling machine casing fixed surface, and the guide bar is located the inboard tip of mulling machine casing and is connected through the side hinge of transfer line and apron.
On the basis of the above technical solution, preferably, one side of the cover plate is hinged with the side of the feeding channel.
On the basis of the technical scheme, preferably, one side, far away from the feeding channel, of the hinged position of the cover plate and the feeding channel is hinged with the transmission rod.
Still further preferably, the sand mixer further comprises a guide sleeve, the guide sleeve is fixedly arranged on the outer side surface of the sand mixer shell, the guide rod is coaxially nested in the guide sleeve, and the limiting protrusion selectively abuts against the end part of the guide sleeve.
On the basis of the technical scheme, the sand mixer is preferable to further comprise an air blowing pipe, one end of the air blowing pipe is communicated with the inner wall of the feeding channel, and the air blowing pipe is fixedly installed on the sand mixer shell.
On the basis of the technical scheme, the material feeding device preferably further comprises a sealing ring, and the sealing ring is fixedly installed on the inner side of the opening at one end, close to the cover plate, of the material feeding channel along the circumferential direction.
The utility model discloses a roller mill feed inlet structure has following beneficial effect for prior art:
(1) the utility model discloses a feed inlet structure of a sand mixer adopts the cover plate arranged at the bottom of the feed channel, thereby effectively preventing the air with high temperature and high humidity inside the sand mixer from entering the feed channel, and preventing the material mixed in the air from adhering to the inner wall of the feed channel, so as to cause the inner wall of the feed channel to adhere, thereby influencing the subsequent powder feeding; on the other hand, when high-temperature air cannot enter the feeding channel, the inner wall of the feeding channel cannot be directly heated, so that the situation that low-melting-point components in the materials are directly heated and melted when the materials are fed next time can be prevented, and the cleanness of the feeding channel is further guaranteed;
(2) the utility model discloses a mode through articulated connecting rod drives the apron, be convenient for carry out the apron operation that corresponds, simultaneously in order to further reduce feedstock channel's temperature, this application still is provided with the gas blow pipe, sweep not only can cool down feedstock channel through the gas blow pipe, can also sweep the material of adhering to on the feedstock channel inner wall simultaneously and clear away, guarantee feedstock channel's is clean, it can guarantee the sealed effect between apron and the feedstock channel to set up sealed ring structure, avoid the inside air of sand mixer to enter into in the feedstock channel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front sectional view of the structure of the feed inlet of the sand mixer of the present invention;
FIG. 2 is a front sectional view of one embodiment of the structure of the feed inlet of the sand mixer of the present invention;
FIG. 3 is a front sectional view of one embodiment of the structure of the feed inlet of the sand mixer of the present invention;
fig. 4 is a partially enlarged view of a portion a in fig. 1.
In the figure: 1-feeding channel, 2-sand mixer shell, 3-cover plate, 4-driving device, 5-blowing pipe, 6-sealing ring, 41-guide rod, 42-limit projection, 43-top spring, 44-transmission rod and 45-guide sleeve.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in figure 1, with reference to figures 2-4, the utility model discloses a feed inlet structure of sand mixer, it includes feedstock channel 1, sand mixer casing 2, apron 3, drive arrangement 4, gas blow pipe 5 and sealing ring 6.
The feeding channel 1 is used for conveying materials inside the sand mixer, and the feeding channel 1 is of a cylinder structure with openings at two ends;
the sand mixer housing 2 is an outer wall of the sand mixer, and in the drawings, in order to facilitate a more detailed display of the feed port structure, not all schematic views of the sand mixer housing 2 are shown, it being understood that the sand mixer housing 2 is a complete cavity structure having the characteristics of a thin-walled solid.
The cover plate 3 is used for selectively sealing an opening at one end of the feed channel 1, in a specific embodiment, the feed channel 1 penetrates through the sand mixer housing 2 and penetrates through the inner side and the outer side of the sand mixer housing 2, and the cover plate 3 is rotatably connected to an opening at one end of the feed channel 1, which is located at the inner side of the sand mixer housing 2.
Drive arrangement 4 sets up on sand mixer casing 2, and drive arrangement is used for driving apron 3 and rotates 1 relative feedstock channel to the realization is located the inside open-ended lid of sand mixer casing 2 and is closed and open feedstock channel 1.
In a specific embodiment, the driving device 4 comprises a guide rod 41, a limiting protrusion 42, a jacking spring 43 and a transmission rod 44, wherein the guide rod 41 penetrates through the sand mixer housing 2, the guide rod 41 reciprocates along the axial direction, the side surface of one end of the guide rod 41, which is positioned at the outer side of the sand mixer housing 2, is circumferentially provided with the limiting protrusion 42, the fiber protrusion 42 can play a limiting role when the guide rod 41 reciprocates so as to prevent the guide rod 41 from excessively moving towards the inner side of the sand mixer housing 2, the side surface of one end of the guide rod 41, which is positioned at the inner side of the sand mixer housing 2, is fixedly connected with the inner side surface of the sand mixer housing 2 through the jacking spring 43, preferably, the jacking spring 43 is sleeved at the outer side of the guide rod 41, the jacking spring 43 drives the guide rod 41 to move towards the inner side of the sand mixer housing 2, and one end part of the guide rod 41, which is positioned at the inner side of the sand mixer housing 2, is hinged with one end part of the transmission rod 44, the other end of the transmission rod 44 is hinged with the cover plate 3, and when the guide rod 41 reciprocates along the axial direction, the transmission rod 44 is driven to drive the cover plate 3 to move, so that the purpose of controlling the opening and closing of the cover plate 3 is achieved.
In a preferred embodiment, the cover plate 3 is hinged to the feed channel 1, specifically, the edge of one surface of the cover plate 3 is hinged to a hinged support of the feed channel 1 on the side surface of the open end of the feed channel 2 inside the mixer housing 2 through a hinged support, and the cover plate 3 is hinged to the transmission rod 44 on the side of the hinged support away from the feed channel 1, when the jacking spring 43 drives the guide rod 41 to move towards the inside of the mixer housing 2, the transmission rod 44 drives the cover plate 3 to cover the open surface of the feed channel 1 inside the mixer housing 2, and when the guide rod 41 is pulled up from the outside of the mixer housing 2, the transmission rod 44 drives the cover plate 3 to open, so that the material can be thrown into the mixer from the feed channel 1.
In the specific embodiment, the blowpipe 5 is fixedly installed on the sand mixer housing 2, and one end opening of the blowpipe 5 is communicated with the inside of the feed channel 1, and the other end opening is communicated with the external compressed air supply device.
In the above embodiment, the surface of the feeding channel 1 is purged by compressed air, so that the adhered materials can be purged and removed, and meanwhile, the temperature can be reduced in an auxiliary manner.
In the specific embodiment, the sealing ring 6 is fixedly installed inside the opening of the feed channel 1 near one end of the cover plate 3 along the circumferential direction, and when the cover plate 3 covers the opening of the feed channel 1, the sealing ring 6 abuts against the surface of the cover plate 3.
The utility model discloses an inside open-ended mode has avoided in the roller mill material directly enters into feed channel 1 to can play the guarantee to the sanitary environment in the feed channel 1, when avoiding not throwing the material, have the material adhesion in feed channel 1, high-temperature gas in the roller mill can also be avoided simultaneously to heat feed channel 1, thereby the temperature ratio of feed channel 1 is lower when guaranteeing next reinforced, suitably throws the material.
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 (7)
1. A feed inlet structure of a sand mixer is characterized by comprising a feed channel (1), a sand mixer shell (2), a cover plate (3) and a driving device (4),
the sand mixer shell (2) is a shell of the sand mixer;
the feeding channel (1) is of a cavity structure with two open ends, is fixedly arranged on the sand mixer shell (2), and is communicated with the inner side surface and the outer side surface of the sand mixer shell (2);
an opening at one end of the feeding channel (1) close to the inner side of the sand mixer shell (2) is rotatably connected with a cover plate (3);
the driving device (4) is fixedly installed on the sand mixer shell (2), and the driving device (4) drives the cover plate (3) to selectively shield the feeding channel (1).
2. The feed inlet structure of the sand mixer as claimed in claim 1, wherein the driving device (4) comprises a guide rod (41), a limiting protrusion (42), a jacking spring (43) and a transmission rod (44), the guide rod (41) penetrates through the sand mixer shell (2), the limiting protrusion (42) is fixedly installed on the side surface of the guide rod (41) positioned on the outer side of the sand mixer shell (2), the limiting protrusion (42) selectively abuts against the surface of the sand mixer shell (2), one end of the guide rod (41) positioned on the inner side of the sand mixer shell (2) is fixedly connected with the surface of the sand mixer shell (2) through the jacking spring (43), and the end of the guide rod (41) positioned on the inner side of the sand mixer shell (2) is hinged with the side surface of the cover plate (3) through the transmission rod (44).
3. Feed inlet arrangement for sand mills according to claim 2, characterized in that one of the sides of the cover plate (3) is hinged to the side of the feed channel (1).
4. A feed inlet structure of a sand mixer according to claim 3, characterized in that the side of the hinge joint of the cover plate (3) and the feed channel (1) far away from the feed channel (1) is hinged with a transmission rod (44).
5. The feed inlet structure of the sand mixer as claimed in claim 2, characterized by further comprising a guide sleeve (45), wherein the guide sleeve (45) is fixedly arranged on the outer side surface of the sand mixer shell (2), the guide rod (41) is coaxially nested in the guide sleeve (45), and the limiting bulge (42) is selectively abutted against the end part of the guide sleeve (45).
6. The feed inlet structure of the sand mixer as claimed in claim 1, characterized by further comprising an air blowing pipe (5), wherein one end of the air blowing pipe (5) is communicated with the inner wall of the feed channel (1), and the air blowing pipe (5) is fixedly arranged on the sand mixer shell (2).
7. The feed inlet structure of the sand mixer as claimed in claim 1, characterized by further comprising a sealing ring (6), wherein the sealing ring (6) is fixedly arranged at the inner side of the opening of the feed channel (1) close to one end of the cover plate (3) along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120861700.5U CN214977520U (en) | 2021-04-25 | 2021-04-25 | Feed inlet structure of sand mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120861700.5U CN214977520U (en) | 2021-04-25 | 2021-04-25 | Feed inlet structure of sand mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214977520U true CN214977520U (en) | 2021-12-03 |
Family
ID=79091271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120861700.5U Active CN214977520U (en) | 2021-04-25 | 2021-04-25 | Feed inlet structure of sand mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214977520U (en) |
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2021
- 2021-04-25 CN CN202120861700.5U patent/CN214977520U/en active Active
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