CN220657450U - Cold-box resin reaction kettle feeding mechanism - Google Patents
Cold-box resin reaction kettle feeding mechanism Download PDFInfo
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- CN220657450U CN220657450U CN202322280518.2U CN202322280518U CN220657450U CN 220657450 U CN220657450 U CN 220657450U CN 202322280518 U CN202322280518 U CN 202322280518U CN 220657450 U CN220657450 U CN 220657450U
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- Prior art keywords
- pipe
- reaction kettle
- communicating pipe
- groove
- pull rod
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- 239000011347 resin Substances 0.000 title claims abstract description 13
- 229920005989 resin Polymers 0.000 title claims abstract description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 abstract description 9
- 229910021529 ammonia Inorganic materials 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The application provides a cold box resin reation kettle feeding mechanism, include: communicating pipe and feeder. The front end of the communicating pipe is arranged at the upper part of the side wall of the reaction kettle, the inside of the communicating pipe is communicated with the inside of the reaction kettle, the front section of the communicating pipe is communicated with an exhaust pipe, and the top of the middle section of the communicating pipe is provided with a feed inlet; the feeder comprises a front plug, a groove-shaped pipe, a rear plug and a pull rod which are sequentially and coaxially arranged, wherein the front plug, the groove-shaped pipe and the rear plug are all arranged in the communicating pipe in a penetrating mode, the outer walls of the front plug and the rear plug are in sealing connection with the inner wall of the communicating pipe, one side of the groove-shaped pipe is provided with a groove for receiving materials fed from a feed inlet, and the pull rod is used for pulling the feeder to reciprocate along the axis of the communicating pipe. The household charging mechanism can effectively prevent ammonia leakage in the charging process, and ensures the safety of personnel and workshops.
Description
Technical Field
The utility model belongs to the technical field of reaction kettle feeding structures, and particularly relates to a cold core box resin reaction kettle feeding mechanism.
Background
The cold box core making process is a mold core making process developed in the last century, wherein the triethylamine cold box process is the most widely applied one in the current casting production, a small amount of ammonia gas can be generated in the production process, the resin for manufacturing the cold box is usually produced by using a closed reaction kettle, the reaction kettle is mainly provided with a stirring device, a heating device and a vacuumizing device, the vacuumizing device is mainly used for pumping out gas in the reaction kettle, but the production process needs to add materials such as a regulator, a catalyst and the like in the production process, a charging port of the existing reaction kettle is sealed by adopting a sealing cover plate, and the materials are directly opened and then added into the reaction kettle during charging, so that ammonia gas leakage is caused in the charging process, the physical health of operators is influenced, and the influence on workshop environment is also caused.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a cold core box resin reaction kettle feeding mechanism which can effectively prevent ammonia leakage in the feeding process and ensure the safety of personnel and workshops.
In order to achieve the object of the utility model, the following scheme is adopted:
a cold box resin reaction kettle charging mechanism comprising: communicating pipe and feeder.
The front end of the communicating pipe is arranged at the upper part of the side wall of the reaction kettle, the inside of the communicating pipe is communicated with the inside of the reaction kettle, the front section of the communicating pipe is communicated with an exhaust pipe, the exhaust pipe is positioned at the outer side of the reaction kettle, and the top of the middle section of the communicating pipe is provided with a feed inlet for inputting materials;
the feeder is including preceding end cap, trough type pipe, back end cap and the pull rod of just coaxial setting in proper order, preceding end cap, trough type pipe and back end cap all wear to locate in communicating pipe, and be sealing connection between the outer wall of preceding end cap and back end cap and the inner wall of communicating pipe, the interval between preceding end cap and the back end cap is less than the minimum interval between blast pipe and the feed inlet, and the length dimension of preceding end cap all is greater than the diameter of blast pipe, the length dimension of back end cap is greater than the maximum interval between blast pipe and the reation kettle inner wall, one side of trough type pipe has the recess for accept the material of sending into from the feed inlet, the pull rod is used for pulling the axis reciprocating motion of feeder along communicating pipe.
Further, the exhaust pipe is communicated with the vacuumizing pipe arranged on the reaction kettle and is connected with the ammonia gas treatment device, and the feeding is carried out at the stage of no vacuumizing.
Further, the rear end of the pull rod is provided with a handle.
Further, the feed inlet is provided with a sealing cover plate.
Further, the end of the communicating pipe is provided with a locating pin along the normal direction, the outer wall of the pull rod is provided with a strip-shaped groove along the length direction, the outer wall of the pull rod corresponding to the end of the strip-shaped groove is provided with an arc-shaped groove, the arc-shaped groove is arranged along the circumference of the pull rod, the end of the strip-shaped groove is communicated with the starting end of the arc-shaped groove, a connecting line between the end of the arc-shaped groove and the starting end is vertically intersected with the axis of the pull rod, the lower end of the locating pin is slidingly arranged in the strip-shaped groove, and when the lower end of the locating pin is positioned in the strip-shaped groove, the groove faces upwards.
The utility model has the beneficial effects that: through the sealing effect of the front plug and the rear plug in the feeding process, the leakage of ammonia gas is effectively prevented, the safety during feeding is improved, and the pollution of ammonia gas to workshop environment is prevented.
Drawings
The drawings described herein are for illustration of selected embodiments only and not all possible implementations, and are not intended to limit the scope of the utility model.
Fig. 1 shows a schematic structural diagram of a reaction kettle with a charging mechanism of the present application.
Fig. 2 shows a partial enlarged view at a in fig. 1.
Figure 3 shows a cross-sectional view of the present application when feeding from the feed opening to the recess.
Figure 4 shows a cross-sectional view of the present application when the recess is pouring material into the reaction vessel.
Fig. 5 shows a schematic view of a preferred construction of the dispenser of the present application.
The marks in the figure: the device comprises a communicating pipe-1, an exhaust pipe-11, a feed inlet-12, a feeder-2, a front plug-21, a groove type pipe-22, a groove-221, a rear plug-23, a pull rod-24, a strip groove-241, an arc groove-242, a handle-25 and an evacuating pipe-31.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, but the described embodiments of the present utility model are some, but not all embodiments of the present utility model.
As shown in fig. 1, 3 and 4, a cold box resin reaction kettle feeding mechanism includes: communicating pipe 1 and feeder 2.
Specifically, as shown in fig. 3 and 4, the front end of the communicating pipe 1 is arranged at the upper part of the side wall of the reaction kettle, and the inside of the communicating pipe is communicated with the inside of the reaction kettle, the front section of the communicating pipe 1 is communicated with an exhaust pipe 11, the exhaust pipe 11 is positioned at the outer side of the reaction kettle, and the top of the middle section of the communicating pipe 1 is provided with a feed inlet 12 for feeding materials.
Specifically, as shown in fig. 3 to 5, the feeder 2 includes a front plug 21, a groove-shaped tube 22, a rear plug 23 and a pull rod 24 that are sequentially and coaxially disposed, the front plug 21, the groove-shaped tube 22 and the rear plug 23 are all disposed in the communicating tube 1 in a penetrating manner, the outer walls of the front plug 21 and the rear plug 23 are in sealing connection with the inner wall of the communicating tube 1, the distance between the front plug 21 and the rear plug 23 is smaller than the minimum distance between the exhaust tube 11 and the feed inlet 12, the minimum distance is the distance between the exhaust tube 11 and the opposite side wall of the feed inlet 12, the length dimension of the front plug 21 is larger than the diameter of the exhaust tube 11, the length dimension of the rear plug 23 is larger than the maximum distance between the exhaust tube 11 and the inner wall of the reaction kettle, the maximum distance is the inner wall of one side of the exhaust tube 11 away from the reaction kettle, one side of the groove-shaped tube 22 is provided with a groove 221 for receiving the material sent from the feed inlet 12, and the pull rod 24 is used for pulling the feeder 2 to reciprocate along the axis of the communicating tube 1.
When in use, as shown in fig. 3, the groove-shaped pipe 22 is moved to the feed inlet 12, at this time, the front plug 21 is positioned between the exhaust pipe 11 and the feed inlet 12 to prevent ammonia gas from being discharged from the feed inlet 12, materials to be input are fed through the feed inlet 12, the materials automatically fall into the groove 221, then the pull rod 24 is pushed to enable the feeder 2 to move towards the front end of the communicating pipe 1, and when the front plug 21 seals the communication position between the exhaust pipe 11 and the communicating pipe 1, the front end of the rear plug 23 is moved between the exhaust pipe 11 and the feed inlet 12 to prevent ammonia gas from leaking from the feed inlet 12 in the moving process of the feeder 2; as shown in fig. 4, when the trough-shaped pipe 22 moves into the reaction kettle, pushing of the pull rod 24 is stopped, at this time, the rear plug 23 seals the communication part between the exhaust pipe 11 and the communicating pipe 1, so as to prevent ammonia gas from leaking from the feed inlet 12 during feeding, then the pull rod 24 is rotated 180 degrees to enable the groove 221 to face downwards, materials are poured into the reaction kettle, feeding work is completed so far, the communicating pipe 1 can maintain good sealing performance in the whole feeding and feeding process, ammonia gas leakage is effectively prevented, the feeder 2 is pulled towards the rear end of the communicating pipe 1 after feeding is completed, and an exhaust system is started at the same time, when the trough-shaped pipe 22 passes through the exhaust pipe 11, gas in the groove 221 is pumped away by the exhaust pipe 11, and the gas is prevented from being discharged from the feed inlet 12.
Preferably, as shown in fig. 1, 3 and 4, the exhaust pipe 11 is communicated with the evacuation pipe 31 arranged on the reaction kettle and is connected to an ammonia gas treatment device, and the feeding is performed at a stage of not evacuating so as to prevent the material in the groove 221 from being evacuated, and the exhaust pipe 11 is used for evacuating the gas in the groove 221 after feeding, so that the purpose of the exhaust pipe is to treat the gas by using the same set of ammonia gas treatment device with the evacuation pipe 31.
Preferably, as shown in fig. 1 and 5, a handle 25 is provided at the rear end of the pull rod 24 to facilitate manual operation of the pull rod 24.
Preferably, the feed port 12 is provided with a sealing cover plate to further improve the sealability of the communication tube 1.
Preferably, as shown in fig. 2 to 5, a positioning pin 13 is arranged at the tail end of the communicating pipe 1 along the normal direction, a bar-shaped groove 241 is formed in the outer wall of the pull rod 24 along the length direction, an arc-shaped groove 242 is formed in the outer wall of the pull rod 24 corresponding to the tail end of the bar-shaped groove 241, the arc-shaped groove is arranged along the circumference of the pull rod 24, the tail end of the bar-shaped groove 241 is communicated with the starting end of the arc-shaped groove 242, a connecting line between the tail end of the arc-shaped groove 242 and the starting end vertically intersects with the axis of the pull rod 24, the lower end of the positioning pin 13 is slidably arranged in the bar-shaped groove 241, and when the lower end of the positioning pin 13 is positioned in the bar-shaped groove 241, the groove 221 faces upwards; when the lower end of the positioning pin 13 moves from the start end to the end of the arc groove 242, the tie bar 24 rotates 180 °, and when the lower end of the positioning pin 13 is located at the end of the arc groove 242, the groove 221 faces downward.
The foregoing description of the preferred embodiments of the utility model is merely exemplary and is not intended to be exhaustive or limiting of the utility model. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model.
Claims (5)
1. A cold box resin reaction kettle charging mechanism, comprising:
the front end of the communicating pipe (1) is arranged at the upper part of the side wall of the reaction kettle, the inside of the communicating pipe is communicated with the inside of the reaction kettle, the front section of the communicating pipe (1) is communicated with an exhaust pipe (11), the exhaust pipe (11) is positioned at the outer side of the reaction kettle, and the top of the middle section of the communicating pipe (1) is provided with a feed inlet (12) for inputting materials;
the feeder (2) comprises a front plug (21), a groove-shaped pipe (22), a rear plug (23) and a pull rod (24) which are sequentially and coaxially arranged, wherein the front plug (21), the groove-shaped pipe (22) and the rear plug (23) are all arranged in the communicating pipe (1) in a penetrating mode, the outer walls of the front plug (21) and the rear plug (23) are in sealing connection with the inner wall of the communicating pipe (1), the distance between the front plug (21) and the rear plug (23) is smaller than the minimum distance between the exhaust pipe (11) and the feed inlet (12), the length dimension of the front plug (21) is larger than the diameter of the exhaust pipe (11), the length dimension of the rear plug (23) is larger than the maximum distance between the exhaust pipe (11) and the inner wall of the reaction kettle, a groove (221) is formed in one side of the groove-shaped pipe (22) and used for receiving materials fed from the feed inlet (12), and the pull rod (24) is used for pulling the feeder (2) to reciprocate along the axis of the communicating pipe (1).
2. The cold box resin reaction kettle feeding mechanism according to claim 1, wherein the exhaust pipe (11) is communicated with a vacuumizing pipe (31) arranged on the reaction kettle and is connected with an ammonia gas treatment device, and feeding is carried out in a non-vacuumizing stage.
3. A cold box resin reaction kettle feeding mechanism according to claim 1, wherein the rear end of the pull rod (24) is provided with a handle (25).
4. A cold box resin reactor feed mechanism according to claim 1, wherein the feed inlet (12) is provided with a sealing cover plate.
5. The cold box resin reaction kettle feeding mechanism according to claim 1, wherein a locating pin (13) is arranged at the tail end of the communicating pipe (1) along the normal direction, a strip-shaped groove (241) is formed in the outer wall of the pull rod (24) along the length direction, an arc-shaped groove (242) is formed in the outer wall of the pull rod (24) corresponding to the tail end of the strip-shaped groove (241), the arc-shaped groove is formed along the circumference of the pull rod (24), the tail end of the strip-shaped groove (241) is communicated with the starting end of the arc-shaped groove (242), a connecting line between the tail end of the arc-shaped groove (242) and the starting end is perpendicularly intersected with the axis of the pull rod (24), the lower end of the locating pin (13) is slidingly arranged in the strip-shaped groove (241), and when the lower end of the locating pin (13) is positioned in the strip-shaped groove (241), the groove (221) faces upwards.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320181512 | 2023-02-10 | ||
| CN2023201815127 | 2023-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220657450U true CN220657450U (en) | 2024-03-26 |
Family
ID=90329513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322280518.2U Active CN220657450U (en) | 2023-02-10 | 2023-08-24 | Cold-box resin reaction kettle feeding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220657450U (en) |
-
2023
- 2023-08-24 CN CN202322280518.2U patent/CN220657450U/en active Active
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