阅读说明：本技术 一种杨木板材胶合板连续制成系统及其生产工艺 (Continuous manufacturing system and production process for poplar board and plywood ) 是由 胡现营 张永尚 于 2021-10-29 设计创作，主要内容包括：本发明涉及胶合板制造技术领域,具体涉及一种杨木板材胶合板连续制成系统及其生产工艺,其包括用于对胶合板进行热压的热压机,所述热压机上设置有滑动机构,所述热压机上通过滑动机构依次滑动设置有用于盛放胶合板的第一托板机构和第二托板机构。本发明的有益效果为：在实际生产工作进行时,通过第一托板机构和第二托板机构之间的交替配合,使得在将胶合板在装入取出时,热压机可持续进行热压工作,便于连续生产制成的进行。(The invention relates to the technical field of plywood manufacturing, in particular to a continuous poplar board and plywood manufacturing system and a production process thereof. The invention has the beneficial effects that: when actual production work goes on, through the cooperation in turn between first layer board mechanism and the second layer board mechanism for when packing into the plywood and taking out, the sustainable hot pressing work that carries out of hot press, the going on that the continuous production of being convenient for made.)

1. A continuous manufacturing system of poplar board plywood comprises a hot press (1) for hot pressing the plywood, and is characterized in that a sliding mechanism (2) is arranged on the hot press (1), and a first supporting plate mechanism (3) and a second supporting plate mechanism (4) for containing the plywood are sequentially arranged on the hot press (1) in a sliding mode through the sliding mechanism (2);

the sliding mechanism (2) comprises a guide rail (21) arranged on the hot press (1), a substrate (22) arranged in the guide rail (21) in a sliding manner, and a transmission assembly (23) for driving the substrate (22) to slide in the guide rail (21);

the transmission assembly (23) comprises a motor (231) fixedly arranged on the hot press (1), a gear (232) driven to rotate by the motor (231), and a tooth groove (233) arranged on the side of the base plate (22) and meshed with the gear (232);

the first supporting plate mechanism (3) comprises a plurality of trays (32) which are vertically stacked through elastic connecting assemblies (31), heating channel grooves (33) which are formed in the trays (32) and used for introducing hot steam to heat the plywood, and connecting pipes (34) used for introducing the hot steam into the heating channel grooves (33);

the elastic connecting component (31) comprises a connecting groove (311) arranged on the tray (32), a connecting block (312) arranged inside the connecting groove (311), and a spring (313) sleeved outside the connecting block (312).

2. Poplar board plywood continuous manufacturing system according to claim 1, characterised in that the hot press (1) comprises a frame (11) arranged on the ground, a lower press plate (12) arranged inside the frame (11), an upper press plate (14) movably arranged inside the frame (11) by means of hydraulic push rods (13).

3. Poplar board plywood continuous manufacturing system according to claim 1, characterised in that the connecting pipe (34) is a hose, the connecting pipe (34) communicating with a plurality of trays (32).

4. Poplar board plywood continuous manufacturing system according to claim 1, characterised in that the first pallet means (3) has the same structure as the second pallet means (4).

5. Poplar board plywood continuous manufacturing system according to claim 1, characterised in that the lowermost tray (32) of the plurality of trays (32) is bolted to the base plate (22).

6. Poplar board plywood continuous manufacturing system according to claim 1, characterised in that the base plate (22) is adapted in size and shape to the inside of the rail (21).

7. A poplar board plywood production process is used for rotary cutting of veneers of a combined plywood and resin impregnation of the veneers, and is characterized by comprising the following steps:

step S101, rotary cutting a thin veneer and rounding the wood sections, softening the rounded wood sections by using a sodium carbonate aqueous solution, and then rotary cutting a thick veneer;

and S102, mixing the mixed resin with Lewis acid, and then impregnating the veneer.

8. The poplar board plywood manufacturing process according to claim 1, wherein in step S102,

the mixed resin consists of 2D resin and hexahydroxy resin;

the Lewis acid comprises one or more of calcium chloride and zinc chloride.

Technical Field

The invention relates to the technical field of plywood manufacturing, in particular to a continuous poplar board plywood manufacturing system and a production process thereof.

Background

Plywood, also known as composite board, is generally divided into: metal veneer, wood plywood, various steel plywood, rock wool plywood etc. the production step when wood plywood coincide molding mainly divide into:

1. drying and drying the single plate;

2. and (3) superposition: the method comprises the following steps of sequentially stacking single boards on a positioning table, gluing the single boards, and overlapping the single boards;

3. cold pressing, namely conveying the laminated plywood to a cold press, and cold pressing until the plywood is molded;

4. transferring the hot-pressed and cold-pressed plywood into a hot press, and clamping the plywood between adjacent heating plates in the hot press so as to completely solidify glue in the plywood;

during actual production, the plywood subjected to cold pressing is often required to be placed into a hot press for heating and extruding, but during actual hot pressing, the plywood subjected to hot pressing is often required to be taken out of the hot press, then the plywood to be hot-pressed is placed into the hot press, and when the plywood is taken out of and placed into the hot press, the hot press does not work, namely continuous production cannot be performed, and the working efficiency is low;

the brittleness of the common traditional resin-impregnated reinforced veneers is increased, the veneers are easy to crack and break, and the bonding performance of the treated veneers is poor.

Therefore, there is a need for a continuous system for manufacturing poplar plywood and a manufacturing process thereof, which can overcome the above problems.

Disclosure of Invention

In order to solve the problems, the invention provides a continuous poplar board plywood manufacturing system and a production process thereof, and aims to solve the problems in the background art.

In order to achieve the purpose, the invention specifically adopts the following technical scheme: a continuous manufacturing system for poplar board plywood comprises a hot press used for hot pressing the plywood, wherein a sliding mechanism is arranged on the hot press, and a first supporting plate mechanism and a second supporting plate mechanism used for containing the plywood are sequentially arranged on the hot press in a sliding mode through the sliding mechanism;

the sliding mechanism comprises a guide rail arranged on the hot press, a substrate arranged in the guide rail in a sliding manner, and a transmission assembly used for driving the substrate to slide in the guide rail;

the transmission assembly comprises a motor fixedly arranged on the hot press, a gear driven to rotate by the motor, and a tooth groove arranged on the side part of the substrate and in meshed connection with the gear;

the first supporting plate mechanism comprises a plurality of trays which are vertically stacked through elastic connecting components, a heating channel groove which is formed in the tray and used for introducing hot steam to heat the plywood, and a connecting pipe used for introducing the hot steam into the heating channel groove;

elastic connection subassembly is including seting up spread groove on the tray, setting up at the inside connecting block of spread groove, cup joint the spring in the connecting block outside.

As a further explanation of the above technical solution:

the hot press comprises a rack arranged on the ground, a lower pressing plate arranged inside the rack and an upper pressing plate movably arranged inside the rack through a hydraulic push rod.

The connecting pipe is a hose and is communicated with the trays.

The structure of the first supporting plate mechanism is the same as that of the second supporting plate mechanism.

And the tray positioned at the lowest part of the plurality of trays is connected to the base plate through bolts.

The shape and the size of the base plate are matched with the shape and the size of the inner part of the guide rail.

A production process of poplar board plywood is used for rotary cutting of veneers of the combined plywood and resin impregnation of the veneers, and comprises the following steps: step S101, rotary cutting a thin veneer and rounding the wood sections, softening the rounded wood sections by using a sodium carbonate aqueous solution, and then rotary cutting a thick veneer; and S102, mixing the mixed resin with Lewis acid, and then impregnating the veneer.

As a further explanation of the above technical solution:

in step S102, the mixed resin is composed of a 2D resin and a hexamethylol resin; the Lewis acid comprises one or more of calcium chloride and zinc chloride.

The invention has the beneficial effects that:

1. when actual production work is carried out, the first supporting plate mechanism 3 and the second supporting plate mechanism 4 are alternately matched, so that the hot press 1 can continuously carry out hot pressing work when the plywood is loaded and taken out, and continuous production and manufacturing are facilitated;

2. the mixed resin has high permeability, so that the resin can not form a resin film which influences the gluing on the surface of the veneer, on the other hand, Lewis acid reacts with sodium carbonate which is softened and filled into cell cavities and fiber amorphous regions to form microcrystalline calcium carbonate to play a role in filling, enhancing and waterproofing, and simultaneously, the generated acidic substances promote the 2D resin and the hexahydroxy resin to have a crosslinking reaction with active groups of wood, so that the strength, the hardness and the flame retardant property of the veneer are greatly improved, and the waterproof property and the dimensional stability of the veneer are improved.

Drawings

FIG. 1 is a schematic diagram of a first perspective of the present invention;

FIG. 2 is a schematic diagram of a second perspective of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the first pallet mechanism of the present invention;

FIG. 5 is a schematic cross-sectional view at the first pallet mechanism of the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 5;

fig. 7 is a schematic cross-sectional view at the tray of the present invention.

In the figure: 1. a hot press; 11. a frame; 12. a lower pressing plate; 13. a hydraulic push rod; 14. an upper pressure plate; 2. a sliding mechanism; 21. a guide rail; 22. a substrate; 23. a transmission assembly; 231. a motor; 232. a gear; 233. a tooth socket; 3. a first pallet mechanism; 31. an elastic connection assembly; 311. connecting grooves; 312. connecting blocks; 313. a spring; 32. a tray; 33. a heating channel groove; 34. a connecting pipe; 4. and a second pallet mechanism.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

Referring to fig. 1 to 7, the invention discloses a continuous system for manufacturing poplar plywood and a production process thereof, the continuous system for manufacturing poplar plywood provided by the application comprises a hot press 1 for hot-pressing plywood, a sliding mechanism 2 is arranged on the hot press 1, a first supporting plate mechanism 3 and a second supporting plate mechanism 4 for containing plywood are sequentially arranged on the hot press 1 in a sliding manner through the sliding mechanism 2, when the actual production work is carried out, firstly, the plywood is put into the first supporting plate mechanism 3, then, the first supporting plate mechanism 3 is moved into the hot press 1 through the sliding mechanism 2 for hot-pressing work, when the plywood in the first supporting plate mechanism 3 is hot-pressed, the plywood to be hot-pressed is put into the second supporting plate mechanism 4, after the hot-pressing of the plywood in the first supporting plate mechanism 3 is finished, the plywood is driven to move through the sliding mechanism 2, the second supporting plate mechanism 4 enters the hot press 1, meanwhile, the first supporting plate mechanism 3 is moved out of the hot press 1, the plywood which is subjected to hot pressing in the first supporting plate mechanism 3 can be taken out at the moment, then the plywood to be hot-pressed is placed in the second supporting plate mechanism 4, after the hot pressing is finished, the second supporting plate mechanism 4 is continuously driven by the sliding mechanism 2 to move, the first supporting plate mechanism 3 enters the hot press 1 to perform hot pressing on the plywood inside, and production work is performed circularly, namely when actual production work is performed, through alternative matching between the first supporting plate mechanism 3 and the second supporting plate mechanism 4, when the plywood is loaded in and taken out, the hot press 1 can continuously perform hot pressing work, and continuous production and manufacturing are facilitated;

as further illustration of the present application: the sliding mechanism 2 comprises a guide rail 21 arranged on the hot press 1, a substrate 22 arranged in the guide rail 21 in a sliding manner, and a transmission assembly 23 used for driving the substrate 22 to slide in the guide rail 21; the transmission assembly 23 includes a motor 231 fixedly disposed on the hot press 1, a gear 232 driven by the motor 231 to rotate, and a tooth groove 233 provided at a side of the substrate 22 and engaged with the gear 232, wherein in practical use, the motor 231 drives the gear 232 to rotate, and the gear 232 drives the substrate 22 to slide in the guide rail 21 through the tooth groove 233 engaged with the gear 232 after rotating, so as to drive the first pallet mechanism 3 and the second pallet mechanism 4 to move in the hot press 1.

As further illustration of the present application: first layer board mechanism 3 includes a plurality of trays 32 through the vertical stack setting of elastic connection subassembly 31, set up and be used for letting in hot vapour to carry out the heating channel groove 33 that heats the plywood in tray 32 inside, a connecting pipe 34 for letting in hot vapour to heating channel groove 33, the external steam generating device of connecting pipe 34 thereby provides hot vapour, when in actual use, place the plywood between tray 32, first layer board mechanism 3 is when being extruded, elastic connection subassembly 31 is compressed thereby make and be close to each other between a plurality of trays 32, thereby extrude the plywood, the hot vapour that the external steam generating device of connecting pipe 34 provided simultaneously is let in heating channel groove 33 by connecting pipe 34, thereby heat the plywood.

As further illustration of the present application: the elastic connecting assembly 31 comprises a connecting groove 311 arranged on the tray 32, a connecting block 312 arranged inside the connecting groove 311 and a spring 313 sleeved outside the connecting block 312, when the elastic connecting assembly 31 is compressed, the connecting block 312 is pressed into the connecting groove 311, the spring 313 is compressed, after the first supporting plate mechanism 3 is taken out of the hot press 1, the plurality of trays 32 are separated under the action of the spring 313, and therefore the plywood can be taken out of the plurality of trays 32.

As further illustration of the present application: the hot press 1 comprises a frame 11 arranged on the ground, a lower pressing plate 12 arranged inside the frame 11, and an upper pressing plate 14 movably arranged inside the frame 11 through a hydraulic push rod 13, wherein when extrusion is performed, the upper pressing plate 14 is driven by the hydraulic push rod 13 to move downwards, so that the extrusion is performed under the matching of the upper pressing plate 14 and the lower pressing plate 12.

As further illustration of the present application: the connecting pipe 34 is a hose, when the plurality of trays 32 move, the connecting pipe 34 does not affect the normal movement of the trays 32, and can introduce hot steam into the plurality of trays 32, the connecting pipe 34 is communicated with the plurality of trays 32, the connecting pipe 34 is externally connected with a steam generating device, so that the hot steam provided by the steam generating device is introduced into the heating channel grooves 33 in the plurality of trays 32.

As further illustration of the present application: the first blade mechanism 3 has the same structure as the second blade mechanism 4, and is used in the same manner in actual use.

As further illustration of the present application: the tray 32 positioned at the lowermost position among the plurality of trays 32 is bolted to the base plate 22, and the first pallet mechanism 3 and the second pallet mechanism 4 can be replaced on the base plate 22 by bolts.

As further illustration of the present application: the base plate 22 has a shape and size that is adapted to the shape and size of the inside of the guide rail 21 so that the base plate 22 can smoothly slide in the guide rail 21.

The application provides a poplar board plywood production technology for rotary cutting of veneers of a composite plywood and resin impregnation of the veneers, which comprises the following steps:

step S101, rotary cutting a thin veneer and rounding the wood sections, softening the rounded wood sections by using a sodium carbonate aqueous solution, and then rotary cutting a thick veneer; step S102, mixing the mixed resin with Lewis acid and then impregnating the veneer; the mixed resin consists of 2D resin and hexahydroxy resin; the Lewis acid comprises one or more of calcium chloride and zinc chloride.

The mixed resin has high permeability, so that the resin can not form a resin film which influences the gluing on the surface of the veneer, on the other hand, Lewis acid reacts with sodium carbonate which is softened and filled into cell cavities and fiber amorphous regions to form microcrystalline calcium carbonate to play a role in filling, enhancing and waterproofing, and simultaneously, the generated acidic substances promote the 2D resin and the hexahydroxy resin to have a crosslinking reaction with active groups of wood, so that the strength, the hardness and the flame retardant property of the veneer are greatly improved, and the waterproof property and the dimensional stability of the veneer are improved.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.