CN114791214A

CN114791214A - Sandstone drying equipment for testing

Info

Publication number: CN114791214A
Application number: CN202210275424.3A
Authority: CN
Inventors: 许秀山; 张云; 许小琴; 杨烈永; 杨建�
Original assignee: Nantong Xinsanyang Intelligent Manufacturing Co ltd
Current assignee: Nantong Xinsanyang Intelligent Manufacturing Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-26

Abstract

The invention discloses sand drying equipment for testing, which comprises a drying gas path component, a feed hopper, a discharge hopper, a drying component, a side material baffle, a power component and two rotary supporting devices, wherein the drying component comprises a split heater, two side gas inlet ends and a self-rotating drying cavity, the rotary supporting devices comprise a fixing ring, a plurality of vertical fixing pins arranged on the side surface of the fixing ring and four bearing components arranged on the fixing ring, the drying gas path component comprises a blowing fan, a heat energy component and a plurality of pipelines, the power component and the self-rotating drying cavity are adopted to perform self-rotating sufficient drying in a drying gap, the micro air passing hole of the self-rotating drying cavity and the annular gas path of the drying gap are adopted to perform combined sufficient drying inside and outside, a plurality of components are matched to operate so as to manufacture fine experimental-grade sand drying, and the three directions of rotating, internal drying and external heat drying are comprehensively processed, the problems of poor fineness, incomplete drying easily and influence on experimental effect are solved.

Description

Sandstone drying equipment for testing

Technical Field

The invention relates to the field of sand drying, in particular to sand drying equipment for testing.

Background

At present, in the traditional field of the prior art, a large amount of sand is needed in many productions such as house repairing, sand mold casting and the like, the sand is heavy and large in usage amount, generally, the sand is directly placed outdoors, the sand can absorb moisture in the air after being placed outdoors for a long time, the sand can feel wet after being touched, and the wet sand is used in the production, so that the proportion is changed, the construction quality cannot be guaranteed, the safety performance is reduced, and the traditional sand needs to be dried in application. Along with the progress of science and technology, the grit is used in 3D printing technique or other novel fields, and the application of 3D printing technique in the casting sand mould printing field has been gradually promoted, and sand mould and psammitolite through drying, can increase its intensity and gas permeability, reduce the gas evolution of pouring in-process, guarantee the foundry goods quality, so the sand mould after the printing shaping all need be dried. However, the drying process is different due to different molding and core-making materials and different sizes. In the prior art, sand molds and sand cores made of clay sand are dried in a drying furnace; and drying the clay sand mold manufactured in the pit by using a movable drying furnace.

However, the existing sand drying equipment has the following defects:

grit equipment on the market has the problem that drying efficiency is low, can't carry out corresponding stoving to the test of experiment level, only repairs, the foundry degree of sand mould to traditional house, moreover in needs sand baking complex experiment test, traditional grit drying equipment also can't satisfy the stoving degree of experiment level, and the fineness is poor, appears drying incomplete problem easily, influences the experimental result.

Disclosure of Invention

In order to overcome the defects of the prior art, one of the purposes of the invention is to provide sand and stone drying equipment for testing, which can solve the problems of low drying efficiency, incomplete drying and incapability of performing corresponding drying aiming at the test of experimental grade.

One of the purposes of the invention is realized by adopting the following technical scheme:

a sand drying device for testing comprises a drying gas circuit component, a feeding hopper, a discharging hopper, a drying component, a lateral material baffle, a power component and two rotary supporting devices, wherein the drying component comprises a split heater, two lateral air inlet ends and a self-rotating drying cavity, the rotary supporting devices comprise a fixing ring, a plurality of vertical fixing feet arranged on the side face of the fixing ring and four bearing components arranged on the fixing ring, the self-rotating drying cavity is attached to the inner sides of the four bearing components, the fixing ring is arranged on the inner wall of the split heater, two air inlet notches are formed in the two sides of the split heater, the lateral air inlet ends are arranged at the air inlet notches, and an annular drying gap is formed between the self-rotating drying cavity and the inner wall of the split heater; the power assembly comprises a power motor, a transmission chain and a spinning ring gear, the power motor drives the spinning ring gear to rotate through the transmission chain, the spinning ring gear is fixedly connected with the spinning drying cavity, and the spinning drying cavity is provided with air passing holes which are uniformly distributed; the drying air path assembly comprises an air blowing fan, a heat energy assembly, a first inclined pipeline, a first feeding transverse pipe connected with a side air inlet end, a second inclined pipeline and a second feeding transverse pipe connected with a side air inlet end, the air blowing fan is connected with the first inclined pipeline and the first feeding transverse pipe through the heat energy assembly, and the air blowing fan is connected with the second feeding transverse pipe through the second inclined pipeline.

Furthermore, the air inlet gaps are circular, and a connecting line of circle centers of the two air inlet gaps is perpendicular to the axis of the split heater.

Further, the axis of the first transverse feed pipe is coincident with the axis of the second transverse feed pipe, and the axis of the first inclined pipeline is 30-60 degrees to the axis of the second inclined pipeline.

Furthermore, the upper part of the discharge hopper is provided with an opening, and the side part of the discharge hopper forms a side part shrinking opening.

Furthermore, the lower part of the discharge hopper is provided with two hinged ends, the two hinged ends are matched and connected with a hinged shaft, the lower part of the discharge hopper is provided with a jacking driving cylinder, and the jacking driving cylinder operates to drive the discharge hopper to rotate along the hinged shaft so as to adjust the angle.

Further, the lateral part striker plate sets up in the one end of spin stoving cavity, the tip of spin stoving cavity with the lateral part striker plate forms the discharge gate, the discharge gate is located the latter half of spin stoving cavity.

Further, the bearing assembly includes a stationary table, a compliant bearing body, the stationary table being provided with a mounting shaft for mounting the compliant bearing body.

Further, the bearing assembly still includes limiting plate, nut, the limiting plate is located the lateral part of flexible bearing main part, the nut spiro union in the tip of installation axle.

Further, the surface of the flexible bearing body is provided with an annular elastic member.

Further, split type heater includes two semicircle subassemblies, be provided with inside strengthening ring in the split type heater.

Compared with the prior art, the invention has the beneficial effects that:

the rotary supporting device comprises a fixing ring, a plurality of vertical fixing pins arranged on the side face of the fixing ring and four bearing assemblies arranged on the fixing ring, the self-rotating drying cavity is attached to the inner sides of the four bearing assemblies, the fixing ring is arranged on the inner wall of the split heater, two air inlet gaps are formed in two sides of the split heater, the side air inlet end is arranged at the air inlet gap, and an annular drying gap is formed between the self-rotating drying cavity and the inner wall of the split heater; the power assembly comprises a power motor, a transmission chain and a spinning ring gear, the power motor drives the spinning ring gear to rotate through the transmission chain, the spinning ring gear is fixedly connected with the spinning drying cavity, and the spinning drying cavity is provided with air passing holes which are uniformly distributed; the drying air path assembly comprises an air blowing fan, a heat energy assembly, a first inclined pipeline, a first feeding transverse pipe connected with a side air inlet end, a second inclined pipeline and a second feeding transverse pipe connected with a side air inlet end, the air blowing fan is connected with the first inclined pipeline and the first feeding transverse pipe through the heat energy assembly, and the air blowing fan is connected with the second feeding transverse pipe through the second inclined pipeline. Adopt the type of returning of stoving gas circuit subassembly formation bending type stoving gas circuit, adopt power component, spin stoving cavity spin in the stoving clearance and fully dry, the miniature gas pocket of crossing of the stoving cavity of adoption spin carries out inside and outside convolution with the annular gas circuit in stoving clearance and fully dries, adopt the feeder hopper, go out the hopper, dry by the fire the material subassembly, the cooperation of lateral part striker plate is rotated the ejection of compact, a plurality of subassemblies cooperate the function and then can make meticulous experimental rank grit and dry, will rotate, interior stoving, the three direction integrated processing of exothermal stoving, it is poor to have solved the fineness, the incomplete problem of drying appears easily, influence the problem of experiment effect.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of a sand drying apparatus for testing according to a preferred embodiment of the present invention;

FIG. 2 is a perspective view of a drying gas circuit assembly of the sand drying apparatus for testing shown in FIG. 1;

FIG. 3 is a perspective view of the drying air path assembly shown in FIG. 2;

FIG. 4 is another perspective view of the drying air circuit assembly shown in FIG. 2;

FIG. 5 is a perspective view of the sand drying apparatus for testing shown in FIG. 1;

FIG. 6 is another perspective view of the sand drying apparatus for testing shown in FIG. 1;

FIG. 7 is a view showing the internal structure of the sand drying apparatus for testing shown in FIG. 1;

FIG. 8 is another internal structure view of the sand drying apparatus for testing shown in FIG. 1;

FIG. 9 is a perspective view of a rotary support device of the sand drying apparatus for testing shown in FIG. 1;

fig. 10 is a partial perspective view of the rotation support device shown in fig. 9.

In the figure: 10. a drying gas circuit component; 11. a blowing fan; 12. a thermal energy assembly; 121. the pipeline is shrunk; 122. a rectangular pipeline; 1221. heating a rod; 13. a first inclined pipe; 14. a first horizontal feed pipe; 15. a second inclined pipe; 16. a second horizontal feed pipe; 20. a feed hopper; 30. a discharge hopper; 31. the upper part is open; 32. a side constricting orifice; 33. a hinged end; 40. a material drying component; 41. a split heater; 411. a semi-circular assembly; 413. an inner reinforcement ring; 42. a side air intake end; 421. butting pipelines; 43. a spin drying cavity; 431. a discharge port; 50. a side striker plate; 60. a power assembly; 61. a power motor; 62. a drive chain; 63. a spin ring gear; 70. a rotation support device; 71. a fixing ring; 72. a vertical fixing leg; 73. a bearing assembly; 731. a fixed table; 7311. installing a shaft; 732. a compliant bearing body; 733. a limiting plate; 734. and (4) a nut.

Detailed Description

The present invention is further described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the case of no conflict, any combination between the embodiments or technical features described below may form a new embodiment.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-10, a sand drying apparatus for testing includes a drying air channel assembly 10, a feeding hopper 20, a discharging hopper 30, a drying assembly 40, a lateral baffle plate 50, a power assembly 60, two rotary supporting devices 70, the drying assembly 40 comprises a split heater 41, two side air inlet ends 42 and a spin drying cavity 43, the rotation supporting device 70 comprises a fixed ring 71, a plurality of vertical fixed feet 72 arranged on the side surface of the fixed ring 71, and four bearing assemblies 73 arranged on the fixed ring 71, the spin drying cavity 43 is attached to the inner sides of the four bearing assemblies 73, the fixing ring 71 is mounted on the inner wall of the split heater 41, two air inlet gaps are arranged on two sides of the split heater 41, the side air inlet end 42 is arranged at the air inlet gap, an annular drying gap is formed between the self-rotating drying cavity 43 and the inner wall of the split heater 41; the power assembly 60 comprises a power motor 61, a transmission chain 62 and a spinning ring gear 63, the power motor 61 drives the spinning ring gear 63 to rotate through the transmission chain 62, the spinning ring gear 63 is fixedly connected with the spinning drying cavity 43, and the spinning drying cavity 43 is provided with air passing holes which are uniformly distributed; the drying air path assembly 10 comprises an air blowing fan 11, a heat energy assembly 12, a first inclined pipeline 13, a first feeding transverse pipe 14 and a second inclined pipeline 15 which are connected with a side air inlet end 42, and a second feeding transverse pipe 16 which is connected with the side air inlet end 42, wherein the air blowing fan 11 is connected with the first inclined pipeline 13 and the first feeding transverse pipe 14 through the heat energy assembly 12, and the air blowing fan 11 is connected with the second feeding transverse pipe 16 through the second inclined pipeline 15. Adopt stoving gas circuit subassembly 10 to form the type of returning of buckling form stoving gas circuit, adopt power component 60, spin stoving cavity 43 spin in the stoving clearance and fully dry, the miniature gas pocket of crossing of adopting spin stoving cavity 43 carries out inside and outside convolution with the annular gas circuit in stoving clearance and fully dries, adopt feeder hopper 20, go out hopper 30, stoving material subassembly 40, the cooperation of lateral part striker plate 50 carries out rotatory ejection of compact, a plurality of subassemblies cooperate the function and then can make the grit of meticulous experiment level and dry, will rotate, interior stoving, the three direction combined machining of outer heat stoving, the fineness difference has been solved, the incomplete problem of drying appears easily, influence the problem of experiment effect.

It should be noted that, in order to achieve the effect of the sand drying at the experimental or testing level, and when the problem that the fineness is poor and the drying is incomplete is solved, the requirement of the experimental level is considered comprehensively, and the problem cannot be achieved by ordinary drying, when the above problem is solved, the characteristics of the drying air channel assembly 10, the feed hopper 20, the discharge hopper 30, the drying assembly 40, the side material baffle 50, the power assembly 60, the two rotary supporting devices 70, the split heater 41, the two side air inlet ends 42, the self-rotating drying cavity 43, the vertical fixing feet 72, the bearing assembly 73, the power motor 61, the transmission chain 62, the self-rotating ring gear 63, the air blowing fan 11, the heat energy assembly 12, the pipelines and the like are an inseparable whole, and the effect of the present application cannot be achieved due to the lack of the cooperation of any one component.

Preferably, the air inlet gaps are circular, and a connection line of circle centers of the two air inlet gaps is perpendicular to an axis of the split heater 41. The axis of the first horizontal feed pipe 14 is coincident with the axis of the second horizontal feed pipe 16, and the axis of the first inclined pipeline 13 is 30-60 degrees with the axis of the second inclined pipeline 15. The purpose of providing "the axis of said first inclined conduit 13 is 30 ° -60 ° to the axis of said second inclined conduit 15" is: provide certain angle of buckling for returning type stoving gas circuit, make gas have certain revolving force. It should be noted that, the axis of the first inclined pipeline 13 and the axis of the second inclined pipeline 15 are preferably at 45 °, and a spiral air passage may be disposed inside the first inclined pipeline 13. When the problem of a rotary air path of a drying air path is further solved, the characteristics that the axis of the first inclined pipeline 13 and the axis of the second inclined pipeline 15 form an angle of 30-60 degrees are compared with the characteristics that the drying air path component 10, the feed hopper 20, the discharge hopper 30, the material drying component 40, the side material baffle 50, the power component 60, the two rotary supporting devices 70, the split heater 41, the two side air inlets 42, the self-rotating drying cavity 43, the vertical fixing feet 72, the bearing component 73, the power motor 61, the transmission chain 62, the self-rotating ring gear 63, the air blowing fan 11, the heat energy component 12, a plurality of pipelines and the like are an inseparable whole, and the effect of the application cannot be achieved due to the lack of the matching of any one component.

Preferably, the discharge hopper 30 is provided with an upper opening 31 along the upper portion, and the side portion of the discharge hopper 30 forms a side constricting port 32. The lower part of the discharge hopper 30 is provided with two hinged ends 33, the two hinged ends 33 are connected with a hinged shaft in a matching manner, the lower part of the discharge hopper 30 is provided with a jacking driving cylinder, and the jacking driving cylinder operates to drive the discharge hopper 30 to rotate along the hinged shaft so as to adjust the angle. The lateral baffle 50 is arranged at one end of the spinning drying cavity 43, the end of the spinning drying cavity 43 and the lateral baffle 50 form a discharge hole 431, and the discharge hole 431 is located on the lower half portion of the spinning drying cavity 43. The bearing assembly 73 includes a fixing stage 731, a flexible bearing body 732, and the fixing stage 731 is provided with a mounting shaft 7311 for mounting the flexible bearing body 732.

Preferably, the bearing assembly 73 further includes a limiting plate 733 and a nut 734, the limiting plate 733 is located at a side portion of the flexible bearing body 732, and the nut 734 is screwed to an end portion of the mounting shaft 7311. The flexible bearing body 732 is provided with an annular elastic member on a surface thereof. The split-type heater 41 comprises two semicircular assemblies 411, and an internal reinforcing ring 413 is arranged in the split-type heater 41. Whole device compact structure, novel structure, design benefit, the suitability is strong, the facilitate promotion. It should be particularly noted that the thermal energy assembly 12 includes two shrinkage pipes 121, and a rectangular pipe 122 connected between the two shrinkage pipes 121, and a plurality of vertically disposed heating rods 1221 are disposed in the rectangular pipe 122. When the problem of the heat degree of the sand drying air path is further solved, the characteristics of the two tightening pipelines 121, the rectangular pipeline 122 connected between the two tightening pipelines 121, the drying air path component 10, the feeding hopper 20, the discharging hopper 30, the material drying component 40, the side material baffle 50, the power component 60, the two rotary supporting devices 70, the split heater 41, the two side air inlet ends 42, the self-rotating drying cavity 43, the vertical fixing feet 72, the bearing component 73, the power motor 61, the transmission chain 62, the self-rotating ring gear 63, the air blowing fan 11, the heat energy component 12, a plurality of pipelines and the like are an inseparable whole, and the effect of the air blowing device cannot be achieved due to the lack of the matching of any one component.

It should be noted that the application has two usage modes:

one, to the great stoving of grit, can adopt the mode that "spin stoving cavity 43 was provided with evenly distributed's gas pocket, set up the miniature gas pocket of crossing that corresponds the specification with the grit, avoid tiny grit to flow into the heater along crossing the gas pocket, if the inner wall of very tiny grit inflow heater, the rotation is in stoving clearance internal rotation in the mode that this kind of grit and drying gas combined in fact, and it can further improve the stoving effect in fact, the intensive mixing drying gas, this just needs to install sand filtration membrane in the pipeline. The heater may be turned on to clean the sand if desired.

Secondly, to the drying of very tiny article such as sand, can not adopt the mode that "spin stoving cavity 43 is provided with evenly distributed's air passing hole", make spin stoving cavity 43 along the axial run through can, the stoving hot gas also can be followed spin stoving cavity 43's both sides and carried out inside and dry, also can reach the effect of this application.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a test is with grit drying equipment, includes stoving gas circuit subassembly, feeder hopper, play hopper, dries by fire material subassembly, lateral part striker plate, power component, two rotation support device, its characterized in that:

the material drying assembly comprises a split type heater, two side air inlet ends and a self-rotating drying cavity, the rotating supporting device comprises a fixing ring, a plurality of vertical fixing legs arranged on the side face of the fixing ring and four bearing assemblies arranged on the fixing ring, the self-rotating drying cavity is attached to the inner sides of the four bearing assemblies, the fixing ring is arranged on the inner wall of the split type heater, two air inlet notches are formed in two sides of the split type heater, the side air inlet ends are arranged at the air inlet notches, and an annular drying gap is formed between the self-rotating drying cavity and the inner wall of the split type heater;

the power assembly comprises a power motor, a transmission chain and a self-rotating ring gear, the power motor drives the self-rotating ring gear to rotate through the transmission chain, and the self-rotating ring gear is fixedly connected with the self-rotating drying cavity;

the drying air path assembly comprises an air blowing fan, a heat energy assembly, a first inclined pipeline, a first feeding transverse pipe connected with a side air inlet end, a second inclined pipeline and a second feeding transverse pipe connected with a side air inlet end, the air blowing fan is connected with the first inclined pipeline and the first feeding transverse pipe through the heat energy assembly, and the air blowing fan is connected with the second feeding transverse pipe through the second inclined pipeline.

2. The sand drying apparatus for testing of claim 1, wherein: the air inlet gaps are circular, and a connecting line of circle centers of the two air inlet gaps is perpendicular to the axis of the split heater.

3. The sand drying apparatus for testing of claim 1, wherein: the axis of the first horizontal feed pipe is coincident with the axis of the second horizontal feed pipe, and the axis of the first inclined pipeline is 30-60 degrees relative to the axis of the second inclined pipeline.

4. The sand drying apparatus for testing of claim 1, wherein: the upper part of the discharge hopper is provided with an upper opening, and the side part of the discharge hopper forms a side part shrinking opening.

5. The sand drying apparatus for testing of claim 4, wherein: the lower part of the discharge hopper is provided with two hinged ends, the two hinged ends are matched and connected with a hinged shaft, the lower part of the discharge hopper is provided with a jacking driving cylinder, and the jacking driving cylinder operates to drive the discharge hopper to rotate along the hinged shaft so as to adjust the angle.

6. The sand drying apparatus for testing of claim 1, wherein: the lateral part striker plate sets up in the one end of spin stoving cavity, the tip of spin stoving cavity with the lateral part striker plate forms the discharge gate, the discharge gate is located the latter half of spin stoving cavity.

7. The sand drying apparatus for testing of claim 1, wherein: the bearing assembly comprises a fixing table and a flexible bearing main body, wherein the fixing table is provided with a mounting shaft for mounting the flexible bearing main body.

8. The sand drying apparatus for testing of claim 7, wherein: the bearing assembly further comprises a limiting plate and a nut, the limiting plate is located on the side portion of the flexible bearing main body, and the nut is in threaded connection with the end portion of the mounting shaft.

9. The sand drying apparatus for testing of claim 7, wherein: the surface of the flexible bearing main body is provided with an annular elastic piece.

10. The sand drying apparatus for testing of claim 1, wherein: the split heater comprises two semicircular assemblies, and an internal reinforcing ring is arranged in the split heater.