Unit narrow board glue application device and method suitable for high-frequency hot pressing of solid wood edge glued panel

An unit narrow board glue application device suitable for high-frequency hot pressing of solid wood edge glued panel, comprising a transverse chain feeding device (1), a longitudinal roller feeding device (2) and a gluing device (3);

• the transverse chain feeding device (1) comprises a fixed chain transport mechanism (11), a movable chain transport mechanism (12), a horizontal linear rolling guide rail (13), a rolling slide block (14), guide wheels (15) and a transverse frame (16), wherein a front end of the fixed chain transport mechanism (11) is fixedly installed on a ground by a support leg, and a rear end is supported on a longitudinal feed frame (28) in the longitudinal roller feeding device (2);
• a front end of the movable chain transport mechanism (12) is supported on the ground by a support leg and a caster (122), a rear end is supported on the horizontal linear rolling guide rail (13) by the rolling slide block (14), the horizontal linear rolling guide rail (13) is fixed on the transverse frame (16), and the transverse frame (16) is fixed on the ground;
• the movable chain transport mechanism (12) is capable to move along the horizontal linear rolling guide rail (13);
• there are eight of the guide wheels (15) in total, which are arranged vertically along the axes of the guide wheels (15), arranged along a longitudinal feed direction of the unit narrow board (4), and fixed on a top of the transverse frame (16) to limit a continuous transverse motion of the unit narrow board (4) and serve as a guide reference for a longitudinal feed of the unit narrow board (4);
• the longitudinal roller feeding device (2) comprises a lifting power roller assembly (21), front pneumatic compression roller assemblies (22), a longitudinal feed roller assembly (23), rear pneumatic compression roller assemblies (29), guide rollers (24), a first sensor (25), a second sensor (26), a third sensor (27), the longitudinal feed frame (28), a first sensor bracket (281), a second sensor bracket (282) and a third sensor bracket (283);
• the lifting power roller assembly (21) comprises two lifting power rollers (211), two set of lifting slide blocks (212), two vertical linear guide rails (213), a lifting power roller motor (214), a chain wheel (215), a first chain (216), a lifting cylinder (217) and a lifting slide seat (218), wherein the two lifting power rollers (211), the lifting power roller motor (214) and a chain drive pair composed of the chain wheel (215) and the first chain (216) are arranged on the lifting slide seat (218);
• the lifting power roller motor (214) drives the lifting power roller (211) to rotate through the chain drive pair composed of the chain wheel (215) and the first chain (216), and a speed of the lifting power roller motor (214) is stepless adjusted;
• the two vertical linear guide rails (213) are fixed at a lower part of the longitudinal feed frame (28), and the lifting slide seat (218) is installed on the two vertical linear guide rails (213) through the two sets of lifting slide blocks (212);
• a cylinder barrel of the lifting cylinder (217) is arranged at the lower part of the longitudinal feed frame (28);
• a piston rod of the lifting cylinder (217) is connected with a lower part of the lifting slide seat (218);
• the lifting cylinder (217) drives the lifting slide seat (218) to rise and fall along the two vertical linear guide rails (213), so as to control the two lifting power rollers (211) to rise or fall;
• the two lifting power rollers (211) are respectively located on both sides of a rear end of the fixed chain transport mechanism (11);
• there are two sets of the front pneumatic compression roller assemblies (22), which are installed on an upper part of the longitudinal feed frame (28) and located above an upper part of the lifting power roller assembly (21), respectively corresponding to the two lifting power rollers (211);
• the longitudinal feed roller assembly (23) comprises a longitudinal feed motor (231), a coupling (232), six worm gear reducers (233), and six longitudinal feed rollers (234), wherein the longitudinal feed motor (231) is connected with a worm of a sixth worm gear reducer (233) along the longitudinal feed direction of the unit narrow board (4), and the worms of two adjacent worm gear reducers (233) are connected through the coupling (232);
• each of the six longitudinal feed rollers (234) is installed on a worm gear shaft of each of the six worm gear reducers (233);
• the longitudinal feed motor (231) and the six worm gear reducers (233) are arranged on the upper part of the longitudinal feed frame (28);
• installation heights of the six worm gear reducers (233) are identical, and the installation heights of the six longitudinal feed rollers (234) are identical;
• the six longitudinal feed rollers (234) are driven by the longitudinal feed motor (231) through the six worm gear reducers (233), and a speed and a rotation direction of the six longitudinal feed rollers (234) are the same;
• a speed of the longitudinal feed motor (231) is capable to be adjusted steplessly;
• a diameter of the six longitudinal feed rollers (234) is the same as that of the two lifting power rollers (211);
• there are six sets of the rear pneumatic compression roller assemblies (29), which are installed on the upper part of the longitudinal feed frame (28) and located above the longitudinal feed roller assembly (23), respectively corresponding to the six longitudinal feed rollers (234);
• there are six of the guide rollers (24), axes of six of the guide rollers (24) are vertically arranged;
• the guide rollers (24) are installed on the longitudinal feed frame (28) and arranged in the same line with the eight of the guide wheels (15), and a diameter of the guide rollers (24) is the same as that of the guide wheels (15), which are configured to provide a longitudinal feed reference for the unit narrow board (4);
• the gluing device (3) comprises a glue pump (31), a glue barrel (32), a glue application head (33), a glue delivery hose (34), a slide table fixed frame (35), and a pneumatic slide table (36), wherein the pneumatic slide table (36) comprises a slide table cylinder (361), a slide table guide rail (362), and a slide table seat (363);
• an upper surface of the slide table cylinder (361) is provided with a sliding groove matched with the slide table guide rail (362);
• the slide table seat (363) is fixed on the slide table fixed frame (35), and the slide table fixed frame (35) is fixed on the longitudinal feed frame (28);
• along the longitudinal feed direction of the unit narrow board (4), the gluing device (3) is located between the fourth longitudinal feed roller (234) and the fifth longitudinal feed roller (234) in the longitudinal feed roller assembly (23);
• a first glue inlet of the glue pump (31) is connected to the glue barrel (32) through a pipe, one end of the glue delivery hose (34) is connected to the glue outlet of the glue pump (31), and the other end is connected to the glue application head (33);
• a rotation speed of the glue pump (31) is capable to be adjusted steplessly;
• an upper part of the glue application head (33) is fixed on a lower surface of a cylinder block of the slide table cylinder (361), the cylinder block of the slide table cylinder (361) is suspended on the slide table guide rail (362) through a sliding groove on the upper surface of the slide table cylinder 361, the slide table cylinder (361) is a double cylinder parallel piston type single-piston rod double-acting cylinder, and a piston rod of the slide table cylinder (361) is connected with the slide table seat (363);
• the cylinder block of the slide table cylinder (361) is movable, so as to make the glue application head (33) to move in the direction perpendicular to longitudinal feed direction of the unit narrow board (4);
• along the longitudinal feed direction of the unit narrow board (4), when a rodless cavity of the slide table cylinder (361) is filled with compressed air, a front end face of the glue application head (33) moves to a glue application position 2 mm to a left side of a guide surface composed of six of the guide rollers (24).