CN214333968U - Precoated sand weighing device - Google Patents
Precoated sand weighing device Download PDFInfo
- Publication number
- CN214333968U CN214333968U CN202120629842.9U CN202120629842U CN214333968U CN 214333968 U CN214333968 U CN 214333968U CN 202120629842 U CN202120629842 U CN 202120629842U CN 214333968 U CN214333968 U CN 214333968U
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- diameter section
- precoated sand
- small
- weighing device
- energy storage
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Abstract
The utility model relates to a precoated sand weighing device, which comprises a weighing bucket body for precoated sand to flow through, wherein a material passing channel extending up and down is arranged in the weighing bucket body, the material passing channel comprises a small-diameter section and a large-diameter section, the small-diameter section is close to the upper end of the material passing channel, the large-diameter section is connected to the lower end of the small-diameter section, a telescopic body extending up and down is arranged in the large-diameter section, the telescopic body comprises an energy storage structure and a blocking block, the blocking block is connected to the upper end of the energy storage structure and used for blocking the lower port of the small-diameter section under the jacking pressure of the energy storage structure, the connecting rod that a plurality of interval arrangements were arranged to the circumference of the flexible body, and the one end that the flexible body was kept away from to each connecting rod is fixed on the inner wall of big footpath section, form the unloading passageway that supplies tectorial membrane sand to pass through along upper and lower direction between the adjacent connecting rod, the utility model discloses the weighing hopper fragile that exists among the prior art, the technical problem that influences tectorial membrane sand and carry have effectively been solved.
Description
Technical Field
The utility model relates to a tectorial membrane sand production facility technical field, concretely relates to tectorial membrane sand weighing device.
Background
With the development of science and technology, the traditional casting technology can not meet the production requirements of people, the precoated sand technology is a precision casting technology widely adopted in the casting industry, powdery thermosetting phenolic resin and raw yarn are mechanically mixed by precoated sand, heating and curing are carried out, and when the precoated sand is heated, the resin coated on the surface of sand grains is melted, so that the precoated sand is cured and molded. The scale hopper is the device of transport tectorial membrane sand commonly used, for example the chinese utility model patent document of authorizing bulletin number CN208296957U discloses a tectorial membrane sand scale hopper, including the scale hopper bucket body, scale hopper bucket body below is equipped with holds in the palm the lid, holds in the palm lid one side top and is fixed with the spring, and the spring top is provided with the backup pad, is equipped with the location axle in the backup pad, and backup pad one side is fixed in scale hopper bucket body side through the slide fixed plate, is equipped with the pneumatic cylinder on the backup pad, and the pneumatic cylinder is fixed in scale hopper bucket body side. When the precoated sand is injected into the hopper body of the weighing hopper, if the precoated sand reaches a specified amount, the gravity of the precoated sand presses the support cover downwards, so that the support cover is opened, the precoated sand flows out uniformly from the outlet, when the gravity of the precoated sand which cannot flow out inside the weighing hopper is smaller than the pressure applied to the support cover by the spring again, the support cover is closed again, and the operation is repeated so as to realize uniform outflow of the precoated sand.
Among the above-mentioned device, the support lid realizes articulatedly through pivot and weighing hopper bucket body, and the contact segment of support lid and weighing hopper also only is the pivot, has the problem that area of contact is little, in case the pivot appears damaging, the pivot just can stall, just can influence the use of whole weighing hopper, influences the transport of tectorial membrane sand.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tectorial membrane sand weighing device for solve the weighing hopper fragile that exists among the prior art, influence the technical problem that tectorial membrane sand was carried.
In order to achieve the above object, the utility model provides a tectorial membrane sand weighing device adopts following technical scheme:
the utility model provides a tectorial membrane sand weighing device, is including the weighing bucket body that is used for supplying the tectorial membrane sand to flow through, and the inside punishment in advance passageway that extends from top to bottom that has of weighing bucket body, punishment in advance passageway is including the minor diameter section that leans on and connecting the major diameter section at minor diameter section lower extreme, be provided with the flexible body that extends from top to bottom in the major diameter section, the flexible body includes energy storage structure and connects and be used for the shutoff under the roof pressure of energy storage structure the shutoff piece of the lower port of minor diameter section, the connecting rod of a plurality of interval arrangements is arranged to the circumference of flexible body, and the one end that the flexible body was kept away from to each connecting rod is fixed on the inner wall of major diameter section, forms the unloading passageway that supplies the tectorial membrane sand to pass through along upper and lower direction between the adjacent connecting rod.
The utility model provides a tectorial membrane sand weighing device's beneficial effect is: when the device works, the blocking block blocks the lower port of the small-diameter section under the jacking pressure of the energy storage structure, the precoated sand falls from the upper port of the small-diameter section, when the weight of the accumulated amount of the precoated sand is smaller than the jacking pressure of the spring, the blocking block is not moved, when the gravity of the precoated sand reaches a specified amount and is larger than the jacking pressure of the spring, the precoated sand pushes the blocking block open and starts to uniformly flow downwards, and flows out of the weighing hopper body through the blanking channel, and when the weight of the accumulated amount of the precoated sand is smaller than the pressure of the spring again, the blocking block blocks the lower port of the small-diameter section again, so that the cyclic reciprocation is realized, and the uniform outflow of the precoated sand can be realized, wherein the spring without the jacking pressure can be selected according to the specified amount of the precoated sand needing to be weighed, meanwhile, the circumferential direction of the telescopic body is connected to the inner wall of the large-diameter section through a plurality of connecting rods, compared with the prior art, on the premise of finishing the weighing function, the telescopic body is connected to the inner wall of major diameter section through a plurality of connecting rods, has strengthened the stability of connecting, even if damage appears in one of them connecting rod, the normal use of whole device also can be guaranteed to other connecting rods, whole weighing device's impaired risk is lower, and life is longer, has effectively solved the weighing hopper fragile that exists among the prior art, has influenced the technical problem that the tectorial membrane sand was carried.
Further, the telescopic body comprises an inner barrel body which is arranged at the lower side, the energy storage structure is arranged in the inner barrel body, the blocking block is circumferentially provided with an annular side plate which extends downwards, and the annular side plate is in guiding fit with the side wall of the inner barrel body in the vertical direction. The up-and-down moving process of the plugging block is more stable.
Furthermore, the side wall of the inner cylinder body is provided with a plurality of guide grooves extending up and down, and the inner side of the annular side plate is provided with guide blocks inserted into the guide grooves.
Further, the energy storage structure is a spring.
Further, the telescopic body further comprises an annular cylinder located at the lower part of the inner cylinder body, the lower end of the annular cylinder is sealed, the upper end of the annular cylinder is opened to allow the inner cylinder body to be inserted, the annular cylinder is detachably connected with the inner cylinder body, and the connecting rod is circumferentially arranged on the annular cylinder.
Further, the plugging block comprises a spherical part which is in contact with the lower port of the small-diameter section and is used for facilitating the shunting of the precoated sand.
Further, the connecting rod is connected to the inner wall of the large-diameter section through a bolt.
Drawings
Fig. 1 is a schematic diagram of a precoated sand weighing device according to the present invention in a first state (a blocking block blocks a lower port of a small diameter section);
fig. 2 is a schematic diagram of a precoated sand weighing device according to the present invention in a second state (the plugging block is away from the lower port of the small diameter section);
FIG. 3 is an enlarged schematic view at A in FIG. 1;
fig. 4 is a schematic view of the fitting of the annular cylinder and the connecting rod of fig. 1.
Reference numbers in the figures: 1. a weighing hopper body; 21. a small diameter section; 22. a large diameter section; 3. a plugging block; 4. a connecting rod; 5. a blanking channel; 6. an inner cylinder; 7. an annular side plate; 8. a guide groove; 9. a guide block; 10. a spring; 11. an annular cylinder; 12. a spherical portion; 13. and (4) bolts.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
the utility model provides a tectorial membrane sand weighing device's concrete embodiment:
as shown in fig. 1 to 4, a tectorial membrane sand weighing device, including the weighing bucket body 1 that is used for supplying tectorial membrane sand to flow through, the inside material passageway of crossing that has upper and lower extension of weighing bucket body 1, the material passageway of crossing includes the minor diameter section 21 that leans on and connects the major diameter section 22 at minor diameter section 21 lower extreme, be provided with the telescopic body that extends from top to bottom in the major diameter section 22, the telescopic body includes energy storage structure and connects the block 3 that is used for the lower port of shutoff minor diameter section 21 under the roof pressure of energy storage structure in the upper end of energy storage structure, the connecting rod 4 of a plurality of interval arrangements has been arranged to the circumference of telescopic body, the one end that each connecting rod 4 kept away from the telescopic body is fixed on the inner wall of major diameter section 22, form between the adjacent connecting rod 4 and supply the unloading passageway 5 that tectorial membrane sand passed through along the upper and lower direction.
When the device works, the blocking block 3 blocks the lower port of the small-diameter section 21 under the jacking pressure of the energy storage structure, precoated sand falls from the upper port of the small-diameter section 21, when the accumulated weight of the precoated sand is smaller than the jacking pressure of the spring 10, the blocking block 3 is not moved, when the gravity of the precoated sand reaches a specified amount and is larger than the jacking pressure of the spring 10, the precoated sand pushes the blocking block 3 open and starts to uniformly flow downwards and flows out of the weighing hopper body 1 through the blanking channel 5, and when the accumulated weight of the precoated sand is smaller than the pressure of the spring 10 again, the blocking block 3 blocks the lower port of the small-diameter section 21 again, so that the cyclic reciprocation can realize the uniform flow of the precoated sand, wherein the spring 10 without force can be selected according to the specified amount of the precoated sand to be weighed, and meanwhile, the circumferential direction of the telescopic body is connected to the inner wall of the large-diameter section 22 through a plurality of connecting rods 4, compare in prior art, under the prerequisite of accomplishing the weighing function, the telescopic body is connected to the inner wall of big footpath section 22 through a plurality of connecting rods 4, has strengthened the stability of connecting, even if damage appears in one of them connecting rod 4, the normal use of whole device also can be guaranteed to other connecting rods 4, and whole weighing device's impaired risk is lower, and life is longer.
As shown in fig. 1, 2 and the drawings, the telescopic body comprises an inner cylinder 6 which is arranged at the lower part, an energy storage structure is arranged in the inner cylinder 6, an annular side plate 7 which extends downwards is arranged on the circumferential direction of the blocking block 3, and the annular side plate 7 is in guiding fit with the side wall of the inner cylinder 6 along the up-down direction. The up-and-down moving process of the plugging block 3 is more stable. Specifically, the side wall of the inner cylinder 6 is provided with a plurality of guide grooves 8 extending up and down, and the inner side of the annular side plate 7 is provided with guide blocks 9 for being inserted into the respective guide grooves 8. In other embodiments, the side wall of the inner cylinder body may be provided with a guide block, and the inner side of the annular side plate is provided with a guide groove.
In the present embodiment, the energy storage structure is a spring 10, and in other embodiments, the energy storage structure may also be a buffer foam.
As shown in fig. 1, 2 and 4, the telescopic body further comprises an annular cylinder 11 located at the lower part of the inner cylinder 6, the lower end of the annular cylinder 11 is sealed, the upper end of the annular cylinder 11 is opened for the inner cylinder 6 to be inserted, the annular cylinder 11 is detachably connected with the inner cylinder 6, and the circumferential direction of the annular cylinder 11 is provided with a connecting rod 4. In other embodiments, the annular cylinder and the inner cylinder may be of unitary construction.
As shown in fig. 1 and 2, the block 3 includes a spherical portion 12 in contact with the lower port of the small diameter section 21 for facilitating the flow diversion of the coated sand. In other embodiments, the contact portion of the block piece with the lower port of the small diameter section may be a flat plate portion.
As shown in fig. 1 and 2, the connecting rod 4 is connected to the inner wall of the large diameter section 22 by a bolt 13. In other embodiments, the connecting rod may be fixed on the inner wall of the large-diameter section by welding.
The utility model provides a tectorial membrane sand weighing device's theory of operation is: when the device works, the blocking block 3 blocks the lower port of the small-diameter section 21 under the jacking pressure of the energy storage structure, precoated sand falls from the upper port of the small-diameter section 21, when the accumulated weight of the precoated sand is smaller than the jacking pressure of the spring 10, the blocking block 3 is not moved, when the gravity of the precoated sand reaches a specified amount and is larger than the jacking pressure of the spring 10, the precoated sand pushes the blocking block 3 open and starts to uniformly flow downwards and flows out of the weighing hopper body 1 through the blanking channel 5, and when the accumulated weight of the precoated sand is smaller than the pressure of the spring 10 again, the blocking block 3 blocks the lower port of the small-diameter section 21 again, so that the cyclic reciprocation can realize the uniform flow of the precoated sand, wherein the spring 10 without force can be selected according to the specified amount of the precoated sand to be weighed, and meanwhile, the circumferential direction of the telescopic body is connected to the inner wall of the large-diameter section 22 through a plurality of connecting rods 4, compared with the prior art, under the prerequisite of weighing the function in the completion, the flexible body is connected to the inner wall of big footpath section 22 through a plurality of connecting rods 4, has strengthened the stability of connecting, even if damage appears in one of them connecting rod 4, the normal use of whole device also can be guaranteed to other connecting rods 4, whole weighing device's impaired risk is lower, life is longer, has effectively solved the weighing hopper fragile that exists among the prior art, has influenced the technical problem that the tectorial membrane sand was carried.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a tectorial membrane sand weighing device, is including being used for supplying the weighing bucket body that tectorial membrane sand flows through, and weighing bucket body inside has the punishment in advance passageway that extends from top to bottom, its characterized in that: the material passing channel comprises a small-diameter section and a large-diameter section, wherein the small-diameter section is close to the material passing channel, the large-diameter section is connected to the lower end of the small-diameter section, a telescopic body extending from top to bottom is arranged in the large-diameter section, the telescopic body comprises an energy storage structure and a blocking block connected to the upper end of the energy storage structure and used for blocking the lower end opening of the small-diameter section, a plurality of connecting rods arranged at intervals are arranged in the circumferential direction of the telescopic body, one end, far away from the telescopic body, of each connecting rod is fixed to the inner wall of the large-diameter section, and a discharging channel is formed between every two adjacent connecting rods and used for coated sand to pass through in the vertical direction.
2. The precoated sand weighing device according to claim 1, characterized in that: the telescopic body comprises an inner barrel body which is arranged at the lower side, the energy storage structure is arranged in the inner barrel body, the circumferential direction of the plugging block is provided with an annular side plate which extends downwards, and the annular side plate is in guiding fit with the side wall of the inner barrel body along the vertical direction.
3. The precoated sand weighing device according to claim 2, characterized in that: the lateral wall of interior barrel is provided with many guide slots that extend from top to bottom, the inboard of annular curb plate is provided with the guide block that is used for inserting in each guide slot.
4. The precoated sand weighing device according to claim 2 or 3, characterized in that: the energy storage structure is a spring.
5. The precoated sand weighing device according to claim 2 or 3, characterized in that: the telescopic body further comprises an annular cylinder located at the lower part of the inner cylinder body, the lower end of the annular cylinder is sealed, the upper end of the annular cylinder is opened to supply the inner cylinder body to be inserted, the annular cylinder is detachably connected with the inner cylinder body, and the connecting rods are circumferentially arranged on the annular cylinder.
6. The precoated sand weighing device according to any one of claims 1 to 3, wherein: the plugging block comprises a spherical part which is in contact with the lower port of the small-diameter section and is used for facilitating the shunting of the precoated sand.
7. The precoated sand weighing device according to any one of claims 1 to 3, wherein: the connecting rod is connected to the inner wall of the large-diameter section through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120629842.9U CN214333968U (en) | 2021-03-29 | 2021-03-29 | Precoated sand weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120629842.9U CN214333968U (en) | 2021-03-29 | 2021-03-29 | Precoated sand weighing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214333968U true CN214333968U (en) | 2021-10-01 |
Family
ID=77889302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120629842.9U Expired - Fee Related CN214333968U (en) | 2021-03-29 | 2021-03-29 | Precoated sand weighing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214333968U (en) |
-
2021
- 2021-03-29 CN CN202120629842.9U patent/CN214333968U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211001 |
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| CF01 | Termination of patent right due to non-payment of annual fee |