CN210100429U

CN210100429U - Preheating device of melamine resin powder

Info

Publication number: CN210100429U
Application number: CN201920753912.4U
Authority: CN
Inventors: 江涛; 张良勇
Original assignee: Suzhou Yongda Melamine Products Co Ltd
Current assignee: Suzhou Yongda Melamine Products Co Ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-02-21
Anticipated expiration: 2029-05-23

Abstract

The utility model relates to the technical field of raw material preheating, in particular to a preheating device of melamine resin powder, which comprises a machine body, a machine cover, a preheating base station, an upper polar plate and a lower polar plate, wherein a telescopic device is arranged on the machine cover; the telescopic device comprises an adjusting part arranged outside the machine cover, an adjusting column connected with the lower end of the adjusting part and extending into the machine cover, and a base which is sleeved on the circumference of the adjusting column and moves up and down along the length direction of the adjusting column; the circumference of the adjusting column is provided with external threads along the length direction of the adjusting column, and the base is provided with internal threads matched with the external threads of the adjusting column; the upper polar plate is arranged below the adjusting base; the lower polar plate is arranged above the preheating base platform. The utility model has the advantages of it is following and effect: the telescopic device is arranged to realize the distance between the upper polar plate and the lower polar plate, so that the electromagnetic field intensity of the upper polar plate and the lower polar plate is increased under the condition that the voltage between the two polar plates is kept unchanged, the utilization rate of electric energy is improved, the heating time is shortened, and the energy-saving effect is achieved.

Description

Preheating device of melamine resin powder

Technical Field

The utility model relates to a technical field that the raw materials preheated, in particular to preheating device of melamine resin powder.

Background

The existing high-frequency preheating machine generates molecular-level high-frequency vibration on a non-metal medium through a high-frequency alternating electromagnetic field generated by a high-frequency high-power electron tube and generated in a capacitor cavity at high voltage and high frequency. The preheating machine mainly changes the alternating voltage applied on the upper polar plate and the lower polar plate, thereby changing the electromagnetic field intensity between the upper polar plate and the lower polar plate. The distance between the upper and lower polar plates is kept constant, and the distance between the two polar plates is larger in order to plug a larger heated object in the space between the two polar plates below the upper plate. Because the strength of the electromagnetic field is inversely proportional to the distance between the two polar plates, when a small object is heated, the distance between the two polar plates cannot be reduced, so that the electromagnetic field strength cannot be increased under the condition that the voltage is kept unchanged, and the utilization rate of electric energy is reduced. High frequency preheating machines are commonly used for processing melamine tableware, which is formed by heating, pressurizing and pressing melamine resin powder, and is used in catering industry, children food and drink industry and the like due to the properties of lightness, attractiveness, low temperature resistance, low breakage resistance and the like. In the processing of melamine tableware, melamine is manually put into a preheating device, and then powder is manually taken out from the preheating device and poured into a mould for punch forming.

At present, chinese utility model patent with publication number CN205466992U discloses a preheating device for melamine resin powder, which comprises a machine body, a machine cover hinged with the machine body, a powder feeding device, a weighing device and a heating device.

Above-mentioned technical scheme is provided with into powder device, and automatic filling melamine resin powder reduces manual operation, raises the efficiency, nevertheless has following defect: the distance between the upper and lower polar plates cannot be conveniently adjusted, so that the electromagnetic field intensity is increased under the condition that the voltage between the two polar plates is not changed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a preheating device of melamine resin powder, it can conveniently adjust the distance between the upper and lower polar plate, effectively shortens heating time, and is more energy-conserving.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a preheating device for melamine resin powder comprises a machine body, a machine cover, a preheating base station, an upper polar plate and a lower polar plate, wherein the machine cover is arranged above the machine body, one side of the machine cover is hinged with the upper part of the machine body, the preheating base station is arranged above the machine body and positioned between the machine cover and the machine body, the upper polar plate is arranged on the machine cover, the lower polar plate is arranged on the preheating base station, and a telescopic device is arranged on; the telescopic device comprises an adjusting part arranged outside the machine cover, an adjusting column connected with the lower end of the adjusting part and extending into the machine cover, and a base which is sleeved on the circumference of the adjusting column and moves up and down along the length direction of the adjusting column; the circumference of the adjusting column is provided with external threads along the length direction of the adjusting column, and the base is provided with internal threads matched with the external threads of the adjusting column; the upper polar plate is arranged below the adjusting base; the lower polar plate is arranged above the preheating base platform.

By adopting the technical scheme, the distance between the upper polar plate and the lower polar plate is realized by arranging the telescopic device, so that the electromagnetic field intensity of the two polar plates is increased under the condition that the voltage between the two polar plates is not changed, the utilization rate of electric energy is improved, the heating time is shortened, and the energy-saving effect is achieved; the lifting effect can be realized by arranging external threads on the circumferential direction of the adjusting column and matching the external threads with the internal threads on the base; fixing the upper polar plate on a base, and rotating the adjusting column to enable the base to move up and down along the length direction of the adjusting column so as to drive the upper polar plate to move up and down; the upper polar plate is prevented from being arranged on the adjusting column, so that the upper polar plate rotates along with the adjusting column, and the electromagnetic field between the two polar plates is prevented from changing.

The utility model is further arranged that the two ends of the base, which are vertical to the length direction of the adjusting column, are respectively provided with a connecting column which is parallel to the length direction of the adjusting column; the upper polar plate is horizontally arranged at one end of the two connecting columns far away from the top of the machine cover.

Through adopting above-mentioned technical scheme, set up the spliced pole and install the polar plate in the base lower extreme for the base drives the polar plate and goes up and down simultaneously at the in-process that goes up and down, and simple structure is practical.

The utility model is further arranged that the position of the inner top wall of the cover between the adjusting column and the connecting column is provided with a guide column parallel to the length direction of the adjusting column; the base is sleeved on the guide post and moves up and down along the length direction of the guide post.

Through adopting above-mentioned technical scheme, set up the guide post for the upper plate is difficult for producing at the in-process of up-and-down motion and rocks, guarantees the effective area that produces the electromagnetic field between upper and lower polar plate.

The utility model discloses further set up to, guide post length direction's both ends all are provided with the stopper.

By adopting the technical scheme, the limiting block is arranged at one end of the guide column close to the inner top wall of the machine cover, so that the upper polar plate is prevented from continuously rising to contact with the machine cover; a limiting block is arranged at one end of the guide column, which is far away from the top wall of the machine cover, so that the base is prevented from being separated from the adjusting column due to infinite descending; the distance between the upper polar plate and the lower polar plate can be normally adjusted by the telescopic device by limiting the movement of the base in the length direction of the adjusting column.

The utility model discloses further set up to, adjust the post lower extreme and run through in the stopper of guide post lower extreme setting and rotate with the stopper that the guide post lower extreme set up and be connected.

Through adopting above-mentioned technical scheme, will adjust the stopper that the post runs through in the guide post lower extreme setting for adjust the post and can effectively rotate and make the distance that the bipolar plate was adjusted in the lift of upper plate.

The utility model is further arranged in such a way that the adjusting column is provided with a convex ring along the circumferential direction above the machine cover; a groove matched with the convex ring is formed in the position, below the adjusting part, of the machine cover; a first gasket which is attached to the outer top wall of the machine cover is arranged above the groove; the first gasket is fixed above the groove through a bolt.

Through adopting above-mentioned technical scheme for the bulge loop can only be at the recess internal rotation and can not axial displacement, makes the rigidity of adjusting the post, avoids adjusting the post and drive the polar plate and remove wantonly along its axial displacement, thereby guarantees to adjust the post and can only make the base remove along adjusting post length direction and change the distance between the bipolar plate through adjusting the post rotation.

The utility model is further arranged that one side of the base, which is close to the upper polar plate, is provided with a second mounting groove which is matched with the end part of the connecting column; one end of the connecting column close to the base is sleeved with a second gasket; the second gasket is fixed on one side, close to the upper polar plate, of the base through bolts.

By adopting the technical scheme, the second mounting groove is arranged, so that the connecting column and the base can be detachably connected, and connecting rods with different lengths can be conveniently detached and replaced or maintained; use through the cooperation of second gasket and bolt, it is fixed stable with the spliced pole.

The utility model discloses further set up to, the circumference of regulation portion sets up to the shape of hexagonal column.

Through adopting above-mentioned technical scheme, set up the circumference of regulation portion into the shape of hexagonal column, increase area of contact is convenient for rotate the regulation post and carry out altitude mixture control.

The utility model discloses further set up to, the stopper adopts the rubber pad.

Through adopting above-mentioned technical scheme, set the stopper to the rubber pad, when adjusting the base, can produce effective buffering to the collision of base with the stopper, not only can make the base be difficult for contacting with the cover top, can also avoid making when bumping to go up the polar plate and rock too big.

To sum up, the utility model discloses a beneficial technological effect does:

1. the telescopic device is arranged to realize the distance between the upper polar plate and the lower polar plate, so that the electromagnetic field intensity of the upper polar plate and the lower polar plate is increased under the condition that the voltage between the two polar plates is kept unchanged, the utilization rate of electric energy is improved, the heating time is shortened, and the energy-saving effect is achieved;

2. a limiting block is arranged at one end of the guide column close to the inner top wall of the machine cover to prevent the upper polar plate from continuously rising to enable the upper polar plate to be contacted with the machine cover; a limiting block is arranged at one end of the guide column, which is far away from the top wall of the machine cover, so that the base is prevented from being separated from the adjusting column due to infinite descending; the distance between the upper polar plate and the lower polar plate can be normally adjusted by limiting the movement of the base in the length direction of the adjusting column;

3. the convex ring can only rotate in the groove but can not move axially, so that the position of the adjusting column is fixed, the adjusting column is prevented from moving along the axial direction of the adjusting column to drive the upper polar plate to move randomly, and the adjusting column can only rotate through the adjusting column to enable the base to move along the length direction of the adjusting column to change the distance between the two polar plates.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view of the structure of the conditioning column of the embodiment;

FIG. 3 is a schematic view of a base structure of the embodiment;

fig. 4 is a schematic structural view of the installation of the telescopic device of the embodiment.

Reference numerals: 1. a body; 11. a machine cover; 111. a groove; 12. preheating the base station; 13. a first gasket; 2. a telescoping device; 21. an adjustment section; 22. an adjustment column; 221. a convex ring; 23. a base; 231. a first fixing plate; 232. a second fixing plate; 233. a third fixing plate; 234. a first mounting groove; 235. a second mounting groove; 236. a hole; 237. a second gasket; 3. an upper polar plate; 4. a lower polar plate; 5. connecting columns; 6. a guide post; 61. and a limiting block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a preheating device for melamine resin powder comprises a machine body 1, a cover 11 covering the machine body 1 and having one side hinged to the upper side of the machine body 1, and a preheating base 12 installed above the machine body 1 and located between the cover 11 and the machine body 1. The cover 11 is provided with a telescoping device 2. The upper electrode plate 3 is mounted below the adjustment base 23, and the lower electrode plate 4 is mounted above the preheating base 12.

As shown in fig. 2, the telescoping device 2 includes an adjusting portion 21 disposed outside the cover 11, an adjusting column 22 fixedly connected to a lower end of the adjusting portion 21 and extending into the cover 11, and a base 23 sleeved on a circumference of the adjusting column 22 and moving up and down along a length direction of the adjusting column 22. The circumference of adjusting post 22 is equipped with the external screw thread along the length direction of adjusting post 22, and the position of locating adjusting post 22 on the cover is equipped with the internal thread with the external screw thread looks adaptation of adjusting post 22 on the base 23.

The inner top wall of the cover 11 is provided with a guide post 6 parallel to the length direction of the adjusting post 22 at a position between the adjusting post 22 and the connecting post 5. The base 23 is sleeved on the guide post 6 and moves up and down along the length direction of the guide post 6. Limiting blocks 61 are mounted at two ends of the guide column 6 in the length direction, and the upper surfaces of the limiting blocks 61 mounted at the upper end of the guide column 6 are fixed on the inner top wall of the machine cover 11. The lower end of the adjusting column 22 penetrates through the limiting block 61 arranged at the lower end of the guide column 6 and is rotatably connected with the limiting block 61 arranged at the lower end of the guide column 6, and the adjusting column 22 penetrates through the holes 236 of the two limiting blocks 61 and is larger than the diameter of the adjusting column 22. The base 23 is located between the two stoppers 61.

The two ends of the base 23 perpendicular to the length direction of the adjusting column 22 are respectively provided with a connecting column 5 parallel to the length direction of the adjusting column 22, and the upper polar plate 3 is horizontally arranged at one end of the two connecting columns 5 far away from the top of the cover 11. One side of the base 23 close to the upper polar plate 3 is provided with a mounting groove matched with the end part of the connecting column 5, one end of the connecting column 5 close to the base 23 is sleeved with a second gasket 237, and the second gasket 237 is fixed on one side of the base 23 close to the upper polar plate 3 through a bolt.

As shown in fig. 3, the circumferential direction of the adjustment portion 21 is provided in the shape of a hexagonal cylinder. The adjusting column 22 is located the circumference of cover 11 top and is fixed with bulge loop 221, cover 11 is located the below of regulating part 21 and sets up the recess 111 with bulge loop 221 looks adaptation, and recess 111 top is provided with the first gasket 13 with the outer top wall laminating of cover 11, arranges bulge loop 221 in recess 111, and first gasket 13 passes through the bolt fastening and restricts bulge loop 221 in recess 111 top.

As shown in fig. 4, the base 23 includes a first fixing plate 231 covering the adjusting column 22, a second fixing plate 232 formed at a bottom end of the first fixing plate 231 in a length direction and located at a middle position of the first fixing plate 231, and a third fixing plate 233 formed at a bottom end of the second fixing plate 232 in the length direction and located at a middle position of the second fixing plate 232. The lengths of the first fixing plate 231, the second fixing plate 232, and the third fixing plate 233 are sequentially increased. Referring to fig. 2, a hole 236 is formed at a middle position of the first fixing plate 231 in the length direction to fit the adjusting post 22; the second fixing plate 232 is provided with first mounting grooves 234 for mounting the guide posts 6 at both ends in the length direction; the third fixing plate 233 is provided at both ends in the length direction with second mounting grooves 235 for mounting the connecting posts 5.

This embodiment is when using, when preheating device preheats melamine resin powder, according to the container height of placing melamine resin powder, rotation regulation portion 21, make base 23 reciprocate at the regulation pole along guide post 6, it reciprocates to be fixed in last polar plate 3 of base 23 below through the connecting rod, adjust when suitable position, when the container height is less promptly, reduce the height of last polar plate 3, then make preheating device work, thereby under the unchangeable condition of voltage size between the two polar plates, increase the bipolar plate and see electromagnetic field intensity, the utilization ratio of electric energy has been improved to a certain extent, it is more energy-conserving.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a preheating device of melamine resin powder, includes organism (1), lid locate organism (1) top and one side and organism (1) top articulated cover (11), set up in organism (1) top and be located cover (11) and organism (1) between preheat base station (12), set up last polar plate (3) on cover (11), set up lower polar plate (4) on preheating base station (12), characterized by: the cover (11) is provided with a telescopic device (2); the telescopic device (2) comprises an adjusting part (21) arranged outside the cover (11), an adjusting column (22) connected with the lower end of the adjusting part (21) and extending into the cover (11), and a base (23) sleeved on the circumference of the adjusting column (22) and moving up and down along the length direction of the adjusting column (22); a guide column (6) parallel to the length direction of the adjusting column (22) is arranged at the position, between the adjusting column (22) and the connecting column (5), of the inner top wall of the machine cover (11); the base (23) is sleeved on the guide post (6) and moves up and down along the length direction of the guide post (6); two ends of the guide post (6) in the length direction are provided with limiting blocks (61); the lower end of the adjusting column (22) penetrates through a limiting block (61) arranged at the lower end of the guide column (6) and is rotatably connected with the limiting block (61) arranged at the lower end of the guide column (6); the circumference of the adjusting column (22) is provided with external threads along the length direction of the adjusting column (22), and the base (23) is provided with internal threads matched with the external threads of the adjusting column (22); a convex ring (221) is arranged on the adjusting column (22) above the cover (11) in the circumferential direction; a groove (111) matched with the convex ring (221) is formed in the position, below the adjusting part (21), of the cover (11); a first gasket (13) attached to the outer top wall of the cover (11) is arranged above the groove (111); the first gasket (13) is fixed above the groove (111) through a bolt; the upper polar plate (3) is arranged below the adjusting base (23); the lower pole plate (4) is arranged above the preheating base platform (12).

2. The preheating apparatus for melamine resin powder according to claim 1, wherein: two ends of the base (23) perpendicular to the length direction of the adjusting column (22) are respectively provided with a connecting column (5) parallel to the length direction of the adjusting column (22); the upper polar plate (3) is horizontally arranged at one end of the two connecting columns (5) far away from the top of the cover (11).

3. The preheating apparatus for melamine resin powder according to claim 1, wherein: one side of the base (23) close to the upper polar plate (3) is provided with a second mounting groove (235) matched with the end part of the connecting column (5); a second gasket (237) is sleeved at one end of the connecting column (5) close to the base (23); the second gasket (237) is fixed on one side of the base (23) close to the upper pole plate (3) through bolts.

4. The preheating apparatus for melamine resin powder according to claim 1, wherein: the circumferential direction of the adjustment portion (21) is set in the shape of a hexagonal cylinder.

5. The preheating apparatus for melamine resin powder according to claim 1, wherein: the limiting block (61) is a rubber pad.