阅读说明：本技术 一种高强度生态杨木纤维基材胶合方法及设备 (High-strength ecological poplar fiber substrate gluing method and device ) 是由 许学山 于 2021-09-16 设计创作，主要内容包括：本发明涉及胶合板加工技术领域,具体涉及一种高强度生态杨木纤维基材胶合方法及设备；热压座的顶端设置有热压槽,升降平台设置于热压槽的底部,热压座的侧壁设置有卸料孔,卸料杆设置于热压槽的一侧,弹性升温板设置于热压槽的内侧壁,支撑架与热压座固定连接,并位于热压座的上方,挤压臂设置于支撑架的一侧,并位于热压槽的上方,运输带设置于热压座的上方,进行热压时,将杨木纤维基板限制在热压槽内,利用弹性升温板对杨木纤维基板进行加热的同时,防止杨木纤维基板的四周发生形变,节省了修整的工序,提高了生产效率。(The invention relates to the technical field of plywood processing, in particular to a method and equipment for gluing a high-strength ecological poplar fiber base material; the top of hot pressing seat is provided with the hot pressing groove, lift platform sets up in the bottom of hot pressing groove, the lateral wall of hot pressing seat is provided with the discharge opening, the stripper bar sets up in one side of hot pressing groove, elasticity heats the board and sets up in the inside wall of hot pressing groove, support frame and hot pressing seat fixed connection, and be located the top of hot pressing seat, the extrusion arm sets up in one side of support frame, and be located the top of hot pressing groove, the transportation area sets up in the top of hot pressing seat, when carrying out hot pressing, with the restriction of poplar fibre base plate in the hot pressing groove, when utilizing elasticity to heat the board and heating poplar fibre base plate, prevent the emergence deformation all around of poplar fibre base plate, save the process of repairing, the production efficiency is improved.)

1. A high-strength ecological poplar fiber substrate gluing device which is characterized in that,

the high-strength ecological poplar fiber substrate gluing equipment comprises a hot pressing seat, a lifting platform, an elastic heating plate, a conveying belt, a supporting frame, an extrusion arm and a discharging rod, the top end of the hot pressing seat is provided with a hot pressing groove, the lifting platform is arranged at the bottom of the hot pressing groove, the side wall of the hot pressing seat is provided with a discharge hole which is communicated with the hot pressing groove, the discharge rod is arranged on one side of the hot pressing groove far away from the discharge hole, the number of the elastic heating plates is four, the four elastic heating plates are respectively arranged on the periphery of the hot pressing groove, the supporting frame is fixedly connected with the hot pressing seat, the extrusion arm is arranged on one side of the support frame and is positioned above the hot pressing groove, and the conveying belt is arranged above the hot pressing seat and is positioned on one side of the hot pressing groove.

2. The gluing device of claim 1, wherein the gluing device comprises a gluing mechanism for gluing the high-strength ecological poplar fiber substrate,

the lifting platform comprises a lifter and a supporting plate, the lifter is arranged on the inner bottom wall of the hot pressing groove, and the supporting plate is arranged on the top end of the lifter.

3. The gluing device of claim 2, wherein the gluing device comprises a gluing mechanism for gluing the high-strength ecological poplar fiber substrate,

the extrusion arm comprises a first air cylinder and a plate body, the first air cylinder is arranged on one side of the supporting frame, and the plate body is located at the output end of the first air cylinder, below the first air cylinder and above the plate body.

4. The gluing device of claim 3, wherein the gluing device comprises a gluing mechanism,

the discharge rod comprises a second cylinder and a rod body, the second cylinder is arranged on one side, away from the discharge hole, of the hot pressing groove, and the rod body is movably connected with the output end of the second cylinder and located on one side of the second cylinder.

5. The gluing device of claim 4, wherein the gluing device comprises a gluing mechanism,

the high-strength ecological poplar fiber substrate gluing equipment further comprises a PLC control panel, wherein the PLC control panel is arranged on the outer side wall of the hot pressing seat and is respectively electrically connected with the lifting platform, the elastic heating plate, the conveying belt, the extruding arm and the discharging rod.

6. The gluing device of claim 5, wherein the gluing device comprises a gluing mechanism,

every elasticity intensification board includes telescopic link, toper hot plate and vertical hot plate respectively, the quantity of telescopic link is a plurality of, every the telescopic link is vertical arrange in the inside wall in hot pressing groove, vertical hot plate and every telescopic link fixed connection to be located every the telescopic link is kept away from one side of hot pressing seat, the quantity of toper hot plate is two, two the toper hot plate respectively with vertical hot plate fixed connection, and be located respectively the upper and lower both ends of vertical hot plate.

7. The gluing device of claim 6, wherein the gluing device comprises a gluing mechanism,

every the telescopic link all includes dead lever, a movable section of thick bamboo and spring, the dead lever with hot pressing seat fixed connection to be located the inside wall in hot pressing groove, a movable section of thick bamboo with dead lever swing joint, and be located the dead lever is kept away from one side in hot pressing groove, the both ends of spring respectively with the dead lever with a movable section of thick bamboo fixed connection, and be located the lateral wall of dead lever, vertical hot plate with a movable section of thick bamboo fixed connection, and be located a movable section of thick bamboo is kept away from one side of dead lever.

8. The gluing method of the high-strength ecological poplar fiber substrate gluing device according to claim 7, comprising the following steps:

lifting the supporting plate to the highest position by using the lifter, and conveying the poplar fiber substrates one by one above the supporting plate by using the conveying belt, wherein a plurality of poplar fiber substrates are stacked in the hot-pressing groove;

the lifter moves the support plate to the position below the elastic heating plate, and the elastic heating plate heats the poplar fiber substrates in a stacked state, the temperature is maintained at 180-220 ℃, and the temperature is kept for 5 min;

pushing the plate body to press downwards by using the first air cylinder until the plate body is contacted with the heated poplar fiber substrate, and continuously pressing for 1min to form a high-strength ecological poplar fiber substrate;

the lifter moves the supporting plate to one side of the discharging rod, the second air cylinder is utilized to push the rod body, and the high-strength ecological poplar fiber substrate is pushed out from the discharging hole to finish discharging.

Technical Field

The invention relates to the technical field of plywood processing, in particular to a method and equipment for gluing a high-strength ecological poplar fiber base material.

Background

The plywood is one of common furniture materials, is one of three large plates of an artificial plate, and can also be used as a material for airplanes, ships, trains, automobiles, buildings, packing boxes and the like. A group of veneers are typically assembled and glued perpendicular to each other in the direction of the adjacent layers of wood grain, and the skins and inner sheets are typically symmetrically disposed on either side of the center layer or core. The glued veneer is pressed into the wood grain board blank by the criss-cross matching of the glued veneer according to the wood grain direction under the condition of heating or not heating. The number of layers is generally odd, and a few are even. The difference of physical and mechanical properties in the longitudinal and transverse directions is small. The types of plywood commonly used are plywood, plywood and the like. The plywood can improve the utilization rate of the wood and is a main way for saving the wood.

When the existing plywood adopts a hot-pressing process, the side wall of the base material is easy to deform, and the later-stage finishing is needed, so that the production efficiency is reduced.

Disclosure of Invention

The invention aims to provide a method and equipment for gluing a high-strength ecological poplar fiber base material, and aims to solve the technical problems that when a hot pressing process is adopted by a plywood in the prior art, the side wall of the base material is easy to deform, and the production efficiency is reduced due to the fact that the plywood needs to be trimmed at a later stage.

In order to achieve the above purpose, the present invention provides a high-strength ecological poplar fiber substrate gluing device, which comprises a hot pressing base, a lifting platform, elastic temperature raising plates, a conveying belt, a support frame, four extrusion arms and a discharge rod, wherein the top end of the hot pressing base is provided with a hot pressing groove, the lifting platform is arranged at the bottom of the hot pressing groove, the side wall of the hot pressing base is provided with a discharge hole, the discharge hole is communicated with the hot pressing groove, the discharge rod is arranged at one side of the hot pressing groove far away from the discharge hole, the number of the elastic temperature raising plates is four, the four elastic temperature raising plates are respectively arranged at the periphery of the hot pressing groove, the support frame is fixedly connected with the hot pressing base and is positioned above the hot pressing base, the extrusion arms are arranged at one side of the support frame and are positioned above the hot pressing groove, the conveyer belt is arranged above the hot pressing seat and is positioned on one side of the hot pressing groove.

When hot pressing is carried out, the poplar fiber substrate is limited in the hot pressing groove, the elastic heating plate is utilized to heat the poplar fiber substrate, and meanwhile, deformation of the periphery of the poplar fiber substrate is prevented, trimming procedures are saved, and production efficiency is improved.

The lifting platform comprises a lifter and a supporting plate, the lifter is arranged on the inner bottom wall of the hot pressing groove, and the supporting plate is arranged at the top end of the lifter.

The lifter is utilized to drive the supporting plate to vertically ascend or descend along the hot pressing groove, so that the poplar fiber substrate is convenient to transport.

The extrusion arm comprises a first air cylinder and a plate body, the first air cylinder is arranged on one side of the support frame, and the plate body is located at the output end of the first air cylinder, below the first air cylinder and above the plate body.

And pushing the plate body to move downwards by using the first air cylinder, so that the poplar fiber base plate in a stacked state is positioned between the plate body and the supporting plate, and applying pressure through the first air cylinder to finish hot pressing.

The discharging rod comprises a second cylinder and a rod body, the second cylinder is arranged on one side, away from the discharging hole, of the hot pressing groove, and the rod body is movably connected with the output end of the second cylinder and located on one side of the second cylinder.

After the poplar fiber substrate is hot-pressed, the lifting platform conveys the poplar fiber substrate to the side face of the rod body, and the second cylinder pushes the rod body to move, so that the poplar fiber substrate after hot pressing is pushed to the discharge hole.

The high-strength ecological poplar fiber substrate gluing equipment further comprises a PLC control panel, wherein the PLC control panel is arranged on the outer side wall of the hot pressing seat and is electrically connected with the lifting platform, the elastic heating plate, the conveying belt, the extrusion arm and the discharging rod respectively.

And the PLC control panel is used for setting the motion time and the motion sequence of each driving part, so that the automatic production is completed.

The elastic heating plates respectively comprise a plurality of telescopic rods, two conical heating plates and two vertical heating plates, the number of the telescopic rods is multiple, the telescopic rods are vertically arranged on the inner side wall of the hot pressing groove, the vertical heating plates are fixedly connected with the telescopic rods and located on one side, away from the hot pressing seat, of the telescopic rods, the number of the conical heating plates is two, and the two conical heating plates are respectively fixedly connected with the vertical heating plates and located at the upper ends and the lower ends of the vertical heating plates.

After the supporting plate moves downwards and passes through the conical heating plate, the telescopic rod is stressed to contract inwards, so that the distance between the vertical heating plates on the two sides is increased, and the supporting plate is suitable for poplar fiber substrates with different sizes.

Each telescopic rod comprises a fixed rod, a movable cylinder and a spring, the fixed rod is fixedly connected with the hot pressing seat and is positioned on the inner side wall of the hot pressing groove, the movable cylinder is movably connected with the fixed rod and is positioned on one side, far away from the hot pressing groove, of the fixed rod, two ends of the spring are respectively fixedly connected with the fixed rod and the movable cylinder and are positioned on the outer side wall of the fixed rod, and the vertical heating plate is fixedly connected with the movable cylinder and is positioned on one side, far away from the fixed rod, of the movable cylinder.

After the backup pad downstream, process behind the toper hot plate, a movable section of thick bamboo to the dead lever direction removes, the spring is by the state of relaxing the compression state, does vertical hot plate provides a reverse support power to prevent that the emergence of irregular deformation all around of poplar fibre base plate.

The invention also provides a gluing method adopting the high-strength ecological poplar fiber substrate gluing equipment, which comprises the following steps:

lifting the supporting plate to the highest position by using the lifter, and conveying the poplar fiber substrates one by one above the supporting plate by using the conveying belt, wherein a plurality of poplar fiber substrates are stacked in the hot-pressing groove;

the lifter moves the support plate to the position below the elastic heating plate, and the elastic heating plate heats the poplar fiber substrates in a stacked state, the temperature is maintained at 180-220 ℃, and the temperature is kept for 5 min;

pushing the plate body to press downwards by using the first air cylinder until the plate body is contacted with the heated poplar fiber substrate, and continuously pressing for 1min to form a high-strength ecological poplar fiber substrate;

the lifter moves the supporting plate to one side of the discharging rod, the second air cylinder is utilized to push the rod body, and the high-strength ecological poplar fiber substrate is pushed out from the discharging hole to finish discharging.

According to the gluing method and the gluing equipment for the high-strength ecological poplar fiber base materials, the single poplar fiber base plate is conveyed into the hot pressing groove by the conveying belt, the poplar fiber base plate is stacked above the lifting platform after being conveyed for multiple times, the lifting platform conveys the poplar fiber base plate to the position near the elastic heating plate, the elastic heating plate and the extrusion arm are used for completing hot pressing, the discharging rod is used for completing discharging, and by the structure, the elastic heating plate heats the poplar fiber base plate, meanwhile, the deformation of the periphery of the poplar fiber base plate is prevented, the trimming process is saved, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a high-strength ecological poplar fiber substrate gluing device provided by the invention.

Fig. 2 is an enlarged view of a portion of the structure of fig. 1 a according to the present invention.

Fig. 3 is a sectional view of a hot press seat provided by the present invention.

Fig. 4 is a schematic view of the distribution of the chute and discharge holes provided by the present invention.

Fig. 5 is a cross-sectional view of the provided elastic warming plate.

Fig. 6 is a flow chart of steps of the method for gluing the high-strength ecological poplar fiber substrate.

1-hot pressing seat, 11-hot pressing groove, 12-discharging hole, 13-chute, 2-lifting platform, 21-lifter, 22-supporting plate, 3-elastic heating plate, 31-telescopic rod, 311-fixed rod, 312-movable cylinder, 313-spring, 32-conical heating plate, 33-vertical heating plate, 4-conveyer belt, 5-supporting frame, 6-extruding arm, 61-first cylinder, 62-plate body, 7-discharging rod, 71-second cylinder, 72-rod body, 8-PLC control plate, 9-limiting plate, 91-side plate and 92-top plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 5, the present invention provides a high-strength ecological poplar fiber substrate gluing device, which includes a hot pressing base 1, a lifting platform 2, elastic temperature raising plates 3, a conveyor belt 4, a support frame 5, an extrusion arm 6 and a discharge rod 7, wherein a hot pressing groove 11 is disposed at a top end of the hot pressing base 1, the lifting platform 2 is disposed at a bottom of the hot pressing groove 11, a discharge hole 12 is disposed on a side wall of the hot pressing base 1, the discharge hole 12 is communicated with the hot pressing groove 11, the discharge rod 7 is disposed at a side of the hot pressing groove 11 away from the discharge hole 12, the number of the elastic temperature raising plates 3 is four, the four elastic temperature raising plates 3 are respectively disposed around the hot pressing groove 11, the support frame 5 is fixedly connected to the hot pressing base 1 and is located above the hot pressing base 1, the extrusion arm 6 is arranged on one side of the support frame 5 and is positioned above the hot pressing groove 11, and the conveyer belt 4 is arranged on the hot pressing seat 1 and is positioned on one side of the hot pressing groove 11.

In the embodiment, a single poplar fiber substrate is conveyed into the hot pressing tank 11 by using a conveying belt 4, the poplar fiber substrate is conveyed for multiple times to be stacked above the lifting platform 2, the lifting platform 2 conveys the poplar fiber substrate to the vicinity of the elastic heating plate 3, hot pressing is completed by using the elastic heating plate 3 and the extrusion arm 6, during the hot pressing, fibers are in close contact with each other, and mutual diffusion movement of lignin and hemicellulose macromolecular chain segments which are originally in a bound state and macromolecules per se is gradually strengthened until intermolecular attraction and hydrogen bonds are acted, so that an interface disappears and a gluing process is completed; and utilize the discharge arm 7 to accomplish and unload, through above-mentioned structure, elasticity heats board 3 when heating poplar fiber substrate, prevents that poplar fiber substrate's deformation from taking place all around, has saved the process of repairing, has improved production efficiency.

Further, the lifting platform 2 comprises a lifter 21 and a support plate 22, the lifter 21 is arranged on the inner bottom wall of the hot pressing groove 11, and the support plate 22 is arranged on the top end of the lifter 21; the pressing arm 6 comprises a first air cylinder 61 and a plate body 62, the first air cylinder 61 is arranged on one side of the support frame 5, and the plate body 62 and the output end of the first air cylinder 61 are positioned below the first air cylinder 61 and above the plate body 62; the discharging rod 7 comprises a second cylinder 71 and a rod body 72, the second cylinder 71 is arranged on one side of the hot pressing groove 11 far away from the discharging hole 12, and the rod body 72 is movably connected with the output end of the second cylinder 71 and is positioned on one side of the second cylinder 71; ecological poplar fibre substrate veneer equipment of high strength still includes PLC control panel 8, PLC control panel 8 set up in the lateral wall of hot pressing seat 1 to respectively with lift platform 2, elasticity board 3 that heats the transportation area 4 the extrusion arm 6 with discharge arm 7 electric connection.

In this embodiment, the lifter 21 is used to drive the supporting plate 22 to vertically ascend or descend along the hot-pressing groove 11, so as to facilitate transportation of poplar fiber substrates, the first cylinder 61 is used to push the plate body 62 to move downwards, so that the stacked poplar fiber substrates are located between the plate body 62 and the supporting plate 22, pressure is applied through the first cylinder 61, hot pressing is completed, after the hot pressing of the poplar fiber substrates is completed, the lifting platform 2 sends the poplar fiber substrates to the side surface of the rod body 72, the second cylinder 71 is used to push the rod body 72 to move, so that the poplar fiber substrates after hot pressing are pushed to the discharge hole 12, and the PLC control board 8 is used to set the motion time and motion sequence of each driving component, thereby completing automatic production.

Furthermore, each elastic warming plate 3 comprises a plurality of telescopic rods 31, two conical heating plates 32 and a plurality of vertical heating plates 33, each telescopic rod 31 is vertically arranged on the inner side wall of the hot pressing groove 11, the vertical heating plates 33 are fixedly connected with each telescopic rod 31 and are positioned on one side of each telescopic rod 31 far away from the hot pressing seat 1, the number of the conical heating plates 32 is two, and the two conical heating plates 32 are respectively fixedly connected with the vertical heating plates 33 and are respectively positioned at the upper end and the lower end of the vertical heating plates 33; each telescopic rod 31 comprises a fixed rod 311, a movable barrel 312 and a spring 313, the fixed rod 311 is fixedly connected with the hot pressing base 1 and is positioned on the inner side wall of the hot pressing groove 11, the movable barrel 312 is movably connected with the fixed rod 311 and is positioned on one side of the fixed rod 311 far away from the hot pressing groove 11, two ends of the spring 313 are respectively fixedly connected with the fixed rod 311 and the movable barrel 312 and are positioned on the outer side wall of the fixed rod 311, and the vertical heating plate 33 is fixedly connected with the movable barrel 312 and is positioned on one side of the movable barrel 312 far away from the fixed rod 311.

In this embodiment, after the supporting plate 22 moves downwards with the stacked poplar fiber substrates, and passes through the conical heating plate 32, the movable cylinder 312 moves towards the fixed rod 311, so that the distance between the two vertical heating plates 33 is increased, and the movable cylinder is adaptable to poplar fiber substrates of different sizes, and the spring 313 is converted from a relaxed state to a compressed state to provide a reverse supporting force for the vertical heating plates 33, thereby preventing irregular deformation around the poplar fiber substrates.

Further, ecological poplar fiber substrate veneer equipment of high strength still includes limiting plate 9, limiting plate 9 with hot pressing seat 1 fixed connection, and be located the top of conveyer belt 4.

In the embodiment, the limiting plate 9 is used for limiting the transportation direction of the poplar fiber substrate, so that the dropping point of the poplar fiber substrate is prevented from deviating.

Further, limiting plate 9 includes curb plate 91 and roof 92, the quantity of curb plate 91 is two, two curb plate 91 respectively with hot pressing seat 1 fixed connection to be located respectively the both sides of transportation area 4, roof 92 respectively with two curb plate 91 fixed connection, and be located the top of transportation area 4.

In the present embodiment, the poplar fiber substrate is located between the two side plates 91 during transportation, so as to prevent the poplar fiber substrate from shifting, and the top plate 92 prevents the poplar fiber substrate from turning over at the end of the transportation belt 4 where the poplar fiber substrate is separated first.

Further, the side plate 91 of the hot pressing base 1 is further provided with a chute 13, and the chute 13 is communicated with the discharge hole 12.

In this embodiment, after the poplar fiber substrate subjected to hot pressing enters the discharging machine, the poplar fiber substrate slides to the outer side of the hot pressing base 1 by using the chute 13, so that the poplar fiber substrate is convenient to discharge.

Referring to fig. 6, the present invention further provides a gluing method using the above-mentioned high-strength ecological poplar fiber substrate gluing device, including the following steps:

s1: lifting the supporting plate 22 to the highest position by using the lifter 21, and conveying poplar fiber substrates one by one above the supporting plate 22 by using the conveyer belt 4, wherein a plurality of poplar fiber substrates are stacked inside the hot-pressing tank 11;

s2: the lifter 21 moves the supporting plate 22 to the position below the elastic heating plate 3, and the elastic heating plate 3 heats the poplar fiber substrates in a stacked state, the temperature is maintained at 180-220 ℃, and the temperature is kept for 5 min;

s3: pushing the plate body 62 downwards by using the first air cylinder 61 until the plate body 62 is contacted with the heated poplar fiber substrate, and continuously pressing for 1min to form a high-strength ecological poplar fiber substrate;

s4: the lifter 21 moves the supporting plate 22 to one side of the discharging rod 7, the second cylinder 71 is used for pushing the rod body 72, and the high-strength ecological poplar fiber substrate is pushed out from the discharging hole 12, so that discharging is completed.

In the embodiment, a single poplar fiber substrate is conveyed into the hot pressing tank 11 by using a conveying belt 4, the poplar fiber substrate is conveyed for multiple times to be stacked above the lifting platform 2, the lifting platform 2 conveys the poplar fiber substrate to the vicinity of the elastic heating plate 3, hot pressing is completed by using the elastic heating plate 3 and the extrusion arm 6, during the hot pressing, fibers are in close contact with each other, and mutual diffusion movement of lignin and hemicellulose macromolecular chain segments which are originally in a bound state and macromolecules per se is gradually strengthened until intermolecular attraction and hydrogen bonds are acted, so that an interface disappears and a gluing process is completed; and utilize the discharge arm 7 to accomplish and unload, through above-mentioned structure, elasticity heats board 3 when heating poplar fiber substrate, prevents that poplar fiber substrate's deformation from taking place all around, has saved the process of repairing, has improved production efficiency.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.