CN217514679U

CN217514679U - Heating device for paperboard production

Info

Publication number: CN217514679U
Application number: CN202220969009.3U
Authority: CN
Inventors: 邵远超; 马金福
Original assignee: Dongguan Shuncheng Paper Products Co ltd
Current assignee: Dongguan Shuncheng Paper Products Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-09-30
Anticipated expiration: 2032-04-24

Abstract

The application relates to the technical field of paperboard processing, in particular to a heating device for paperboard production, which has the technical scheme that the heating device comprises a rack, a heater and a pressing component, wherein the pressing component and the heater are both arranged on the rack; the pressing assembly comprises a plurality of pressing units and a plurality of mounting frames, the mounting frames are transversely arranged on the rack, and the pressing units are arranged below the mounting frames; the pressing unit comprises a support and a pressing piece, limiting plates are fixedly arranged on two sides of the support, limiting pieces are arranged on the limiting plates in a sliding mode, and the lower ends of the limiting pieces are fixedly connected with the pressing piece; two end faces of the pressing member are provided as guide faces for guiding the paper board into a space between the pressing member and the heater. The beneficial effect of this application does: the distance between the pressing piece and the heater can be adjusted according to the thickness of the paperboard.

Description

Heating device for paperboard production

Technical Field

The application relates to the technical field of paperboard processing, in particular to a heating device for paperboard production.

Background

Corrugated paper is widely applied in daily life, and in the production process of corrugated boards, the corrugated paper layer and the corrugated paper core are firstly glued, then the corrugated paper layer with glue solution and the corrugated paper core are pasted to form a semi-finished product of the corrugated board, and the semi-finished product of the corrugated board is heated by a heater, so that the glue solution of the semi-finished product of the corrugated board is quickly dried to obtain the finished product of the corrugated board. The heating device is therefore an important piece of equipment on a corrugated cardboard processing line. At present, most of heating devices used on corrugated paper production lines comprise a heater and a pressing block, wherein the pressing block is fixedly arranged on a frame of the heating device, is positioned above the heater and has a certain interval with the heater.

In view of the above technology, the inventor finds that the existing corrugated paper heating device is difficult to heat corrugated paper with different thicknesses, and is difficult to meet the processing requirements of corrugated paper boards with different thicknesses.

SUMMERY OF THE UTILITY MODEL

The application provides a heating device for paperboard production has the advantage of workable different thickness cardboards.

A heating device for paperboard production comprises a rack, a heater and a pressing component, wherein the pressing component and the heater are both mounted on the rack, the heater is arranged below the pressing component, and a space for a paper feeding plate to pass through is formed between the pressing component and the heater; the pressing assembly comprises a plurality of pressing units and a plurality of mounting frames, the mounting frames are transversely arranged on the rack, and the pressing units are arranged below the mounting frames; the pressing unit comprises a support and a pressing piece, limiting plates are fixedly arranged on two sides of the support, limiting pieces are arranged on the limiting plates in a sliding mode, and the lower ends of the limiting pieces are fixedly connected with the pressing piece; the pressing member is provided with a guide surface for guiding a paper board into between the pressing member and the heater.

Through adopting above-mentioned technical scheme, the cardboard is at the in-process of carrying, and the cardboard can be inconsistent with the spigot surface of casting die, and the casting die of cardboard jack-up upwards under the effect of spigot surface, casting die rebound to make the interval between casting die and the heater can adapt to the thickness of cardboard, realized can adjusting the height of casting die according to the thickness of cardboard. When the paperboard is conveyed to the lower part of the pressing piece, the paperboard is abutted to the heater, and the heater heats the paperboard to enable the glue solution on the paperboard to be dried quickly.

Preferably, an elastic member is disposed between the bottom of the bracket and the pressing member.

Through adopting above-mentioned scheme, the setting of elastic component guarantees can be according to the thickness of cardboard and adjust the height of casting die, has increased the pressure that the cardboard received in the heating process simultaneously.

Preferably, the elastic part is an adjusting spring, one end of the adjusting spring is fixedly connected with the bottom of the support, and the other end of the adjusting spring is fixedly connected with the pressing part.

Through adopting above-mentioned scheme, the elastic component is adjusting spring, and adjusting spring's setting makes the cardboard jack-up with the casting die more easily, has improved the smoothness nature of cardboard transmission, simple structure simultaneously.

Preferably, the bottom of the support is provided with a positioning column, the adjusting spring is sleeved on the positioning column, and a certain distance is formed between the bottom of the positioning column and the upper surface of the pressing part, so that the pressing part can move up and down below the positioning column.

Through adopting above-mentioned technical scheme, on the reference column was located to the regulating spring cover, the setting of reference column made the regulating spring remove along the direction of reference column to make the regulating spring keep compressing or tensile in vertical direction, improved the flexible stability of regulating spring.

Preferably, the locating part includes spacing strip and stopper, spacing strip with the limiting plate slides and is connected, the stopper sets up the upper end of spacing strip, just the stopper is arranged in the top of limiting plate, the stopper be used for with the limiting plate butt.

By adopting the scheme, when the pressing piece moves downwards, the limiting blocks are abutted against the limiting plates, and the movement of the limiting strips is limited, so that the minimum distance between the pressing piece and the heater is limited.

Preferably, the limiting plate is provided with a through hole, and the limiting strip is inserted into the through hole and can slide up and down with the through hole.

Through adopting above-mentioned scheme, spacing strip is inserted and is located the through-hole and can slide by relative through-hole, makes the slip of spacing strip and limiting plate keep moving in vertical direction, has improved the stability that spacing strip and limiting plate slided and are connected.

Preferably, the pressing part comprises a pressing block and a pressing plate, the lower end of the limiting part is fixedly connected with the pressing block, the pressing plate is fixedly arranged at the bottom of the pressing block, and the guide surfaces are arranged on two end faces of the pressing plate.

Through adopting above-mentioned scheme, connect locating part and clamp plate through the briquetting, the area of being connected of briquetting and clamp plate is great, makes the clamp plate more firm with being connected of locating part.

Preferably, the guide surface of the pressure plate is an arc surface.

Through adopting above-mentioned scheme, the setting up of cambered surface makes the cardboard more smooth and easy with the contact of clamp plate at the in-process of carrying, plays the guard action to the cardboard simultaneously.

Preferably, the guide surface of the pressing plate is a slope surface, and the direction of the slope surface is inclined downwards from the inlet of the paper plate along the direction towards the pressing plate.

By adopting the scheme, in the conveying process, the paper board is abutted to the inclined plane, the paper board can upwards jack the pressing plate, and the gap between the pressing plate and the heater is increased to pass through the paper feeding plate.

Preferably, the limiting block is a nut, the limiting strip is a threaded rod, and the nut is in threaded connection with the threaded rod.

Through adopting above-mentioned scheme, the position of nut relative to spacing strip can be adjusted to the swivel nut to adjust the extreme low position of casting die.

To sum up, the beneficial technical effect of this application does:

the cardboard is at the in-process of carrying, and the cardboard can be inconsistent with the spigot surface of casting die, and the cardboard upwards jack-up casting die, and the elastic component is compressed, and the casting die rebound to form the interval that equals with cardboard thickness between messenger's casting die and the heater, realized the clearance between automatic adjustment casting die and the heater according to the cardboard thickness.

Drawings

Fig. 1 is a schematic view of the structure of a heating device for paperboard production in the present application.

Fig. 2 is a schematic structural diagram of a pressing unit in the present application.

Description of the reference numerals:

1. a frame; 11. an upper baffle plate; 12. a lower baffle plate; 2. a heater; 3. a mounting frame; 4. a connecting strip; 5. a connecting member; 6. pressing a plate; 7. briquetting; 8. a limiting strip; 9. a limiting block; 10. a limiting plate; 13. a support; 14. connecting columns; 15. adjusting the spring; 16. and a positioning column.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1-2.

The application discloses heating device for cardboard production, see fig. 1, including frame 1, two sets of conveying roller (not shown in the figure), heater 2 and pressing component. The pressing assembly is installed on the frame 1, the heater 2 is arranged on the frame 1 and is positioned below the pressing assembly, and the two groups of conveying rollers are respectively arranged on the feeding side and the discharging side of the frame 1. The two sets of conveying rollers are matched to realize the conveying of the paper boards at the heating device, so that the paper boards bonded by the glue are conveyed between the pressing component and the heater 2 to be heated, and the paper boards are conveyed out of the heating device after the heating treatment is finished.

Referring to fig. 2, the pressing assembly includes a plurality of pressing units and a plurality of mounting brackets 3, the mounting brackets 3 are transversely arranged on the frame 1, and the pressing units are arranged below the mounting brackets 3. Specifically, the bottom of the mounting rack 3 is fixedly provided with a plurality of connecting strips 4, one ends of the connecting strips 4 far away from the mounting rack 3 are provided with connecting pieces 5, and the connecting pieces 5 are fixedly connected with the connecting strips 4 through bolts. A plurality of pressing units are mounted on the connecting member 5 at equal intervals to complete the connection of the plurality of pressing units. Therefore, the pressing assembly is formed by arranging a plurality of pressing units in an array mode, if one of the pressing units breaks down, only one of the pressing units needs to be repaired or replaced, and daily maintenance and overhaul are facilitated.

The pressing unit comprises a bracket 13, a pressing plate 6, a pressing block 7 and an elastic piece. The bracket 13 is fixedly connected with the connecting piece 5. Limiting plates 10 are fixedly arranged on two sides of the support 13, through holes are formed in the limiting plates 10, limiting strips 8 are inserted into the limiting plates 10 through the through holes, the limiting strips 8 can slide up and down relative to the through holes, the bottom ends of the limiting strips 8 are fixedly connected with the pressing block 7, and the pressing plate 6 is fixedly arranged at the bottom of the pressing block 7. The end of the limiting strip 8, which is far away from the pressing block 7, is provided with a limiting block 9. In this embodiment, the limiting block 9 is a nut, and the limiting strip 8 is a threaded rod. The limiting block 9 is in threaded connection with the limiting strip 8. The limiting block 9 is arranged above the limiting plate 10 and is abutted against the limiting plate 10. The movement of the limiting strip 8 is limited by the limiting block 9, so that the position of the pressing block 7 is limited, and a certain gap is reserved between the pressing plate 6 and the heater 2. Due to the fact that the nut is in threaded connection with the limiting strip 8, the nut can be rotated to adjust the position of the nut relative to the limiting strip 8, and therefore the lowest position of the pressing block 7 and the pressing plate 6 can be adjusted.

Two positioning columns 16 are fixedly arranged below the support 13, the pressing plate 6 is arranged below the positioning columns 16, and a certain gap exists between the pressing plate 6 and the positioning columns 16, so that the pressing plate 6 can move up and down below the positioning columns 16. The pressing block 7 is arranged between the two positioning columns 16. In this embodiment, the elastic member is an adjusting spring 15, the adjusting spring 15 is sleeved on the positioning column 16, one end of the adjusting spring 15 is fixedly disposed on the bracket 13, and the other end of the adjusting spring 15 is fixedly connected with the pressing plate 6. When a thicker paperboard needs to be processed, the paperboard pushes up the pressing plate 6, so that the adjusting spring 15 is compressed, and a gap equal to the thickness of the paperboard is formed between the pressing plate 6 and the heater 2.

The pressing plate 6 is in a strip shape, and the length direction of the pressing plate is the same as the conveying direction of the paper board, so that the contact area of the pressing plate and the paper board is increased, and the pressing effect of the pressing plate 6 on the paper board is improved. The two end faces of the platen 6 are provided as guide faces for guiding the paper sheet into between the platen 6 and the heater 2, in this embodiment, the guide faces are inclined faces, and in other embodiments, the guide faces may be arc faces. The setting on inclined plane makes the cardboard more smooth and easy with clamp plate 6's contact at the in-process of carrying, if the thickness of cardboard is greater than clamp plate 6 and heater 2's clearance in transportation process, the inclined plane makes cardboard jack-up clamp plate 6 that makes progress with the cardboard is inconsistent, 6 rebound of clamp plate to realize automatically regulated clamp plate 6's height, make the below that the cardboard of different thickness all can carry clamp plate 6 heat it, the damage that cardboard and clamp plate 6 collision brought has been reduced simultaneously.

The heating device mainly adopts steam heating. The heating plate is arranged above the heating device and is abutted against the paper board to complete heat exchange. A steam pipeline is arranged below the heating plate. The heated steam is transmitted in the steam pipeline to heat the heating plate, so that the temperature of the heating plate reaches between 160 ℃ and 170 ℃. The heating plate is in contact with the paper board to perform heat exchange so that the paper board is heated, and the glue for bonding is dried quickly due to the heating.

The frame 1 comprises an upper baffle 11 and a lower baffle 12, the mounting frame 3 is transversely arranged on the upper baffle 11, and the heater is arranged in the lower baffle 12. The lower baffle 12 is fixedly provided with a plurality of connecting columns 14, the upper baffle 11 is fixedly connected with the connecting columns 14, and the connecting columns 14 enable a certain gap to exist between the upper baffle 11 and the lower baffle 12, so that the paperboard heating process is visual, and the safety of the device in the using process is guaranteed.

The implementation principle of the embodiment is as follows:

the cardboard is at the in-process of carrying, and the spigot surface of clamp plate 6 is inconsistent with the cardboard and makes the cardboard jack-up clamp plate 6 that makes progress, and regulating spring 15 is compressed, clamp plate 6 rebound to the below of clamp plate 6 is carried to the highly messenger cardboard of regulating clamp plate 6, has realized that the cardboard of different thickness all can use heating device to heat. One side of the paper board is abutted to the heater, and the heater heats the paper board and is used for quickly drying the adhesive liquid for adhesion.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a heating device is used in cardboard production which characterized in that: the paper feeding device comprises a rack (1), a heater (2) and a pressing assembly, wherein the pressing assembly and the heater (2) are installed on the rack (1), the heater (2) is arranged below the pressing assembly, and a space for a paper feeding plate to pass through is formed between the pressing assembly and the heater (2); the pressing assembly comprises a plurality of pressing units and a plurality of mounting frames (3), the mounting frames (3) are transversely arranged on the rack (1), and the pressing units are arranged below the mounting frames (3); the pressing unit comprises a support (13) and a pressing piece, limiting plates (10) are fixedly arranged on two sides of the support (13), limiting pieces are arranged on the limiting plates (10) in a sliding mode, and the lower ends of the limiting pieces are fixedly connected with the pressing piece; the pressing member is provided with a guide surface for guiding a cardboard sheet into between the pressing member and the heater (2).

2. A heating device for board production according to claim 1, characterized in that: an elastic part is arranged between the bottom of the support (13) and the pressing part.

3. A heating device for board production according to claim 2, characterized in that: the elastic piece is an adjusting spring (15), one end of the adjusting spring (15) is fixedly connected with the bottom of the support (13), and the other end of the adjusting spring (15) is fixedly connected with the pressing piece.

4. A heating device for board production according to claim 3, characterized in that: the bottom of the support (13) is provided with a positioning column (16), the adjusting spring (15) is sleeved on the positioning column (16), and a certain distance is formed between the bottom of the positioning column (16) and the upper surface of the pressing piece, so that the pressing piece can move up and down below the positioning column (16).

5. A heating apparatus for paperboard production according to claim 1, characterized in that: the locating part includes spacing strip (8) and stopper (9), spacing strip (8) with limiting plate (10) slide and are connected, stopper (9) set up the upper end of spacing strip (8), just stopper (9) are arranged in the top of limiting plate (10), stopper (9) be used for with limiting plate (10) butt.

6. The heating apparatus for paperboard production according to claim 5, wherein: the limiting plate (10) is provided with a through hole, and the limiting strip (8) is inserted into the through hole and can slide up and down with the through hole.

7. A heating device for board production according to claim 1, characterized in that: the casting die comprises a pressing block (7) and a pressing plate (6), the lower end of the limiting part is fixedly connected with the pressing block (7), the pressing plate (6) is fixedly arranged at the bottom of the pressing block (7), and the guide surfaces are arranged on two end faces of the pressing plate (6).

8. The heating apparatus for paperboard production according to claim 7, wherein: the guide surface of the pressure plate (6) is an arc surface.

9. A heating device for board production according to claim 7, characterized in that: the guide surface of the pressing plate (6) is an inclined surface, and the direction of the inclined surface inclines downwards from the inlet of the paper plate along the direction towards the pressing plate (6).

10. A heating device for board production according to claim 5, characterized in that: the limiting block (9) is a nut, the limiting strip (8) is a threaded rod, and the nut is in threaded connection with the threaded rod.