A spraying device for sofa plank
Technical Field
The invention belongs to the field of furniture processing, and particularly relates to a spraying device for sofa wood boards.
Background
In the processing process of the sofa, the sponge needs to be adhered to the wood board, and the current common method is that a worker uniformly sprays glue on the surface of a raw material to be processed through a glue spraying device and then the glue is adhered. However, the adhesive is too high in viscosity, so that the phenomenon of wall hanging is very easy to occur, the adhesive is easy to dry and solidify on the inner wall of the adhesive tank after long-term use, the adhesive tank needs to be cleaned immediately after workers spray the adhesive, the labor capacity of the workers is increased, and no practical and effective device for removing the phenomenon of wall hanging exists at present.
Disclosure of Invention
The invention provides a spraying device for sofa wood boards, which is used for solving the defects in the prior art.
The invention is realized by the following technical scheme:
a spraying device for sofa wood boards comprises a tank body, wherein the top surface of the inner wall of the tank body is fixedly connected with the upper end of a screw, the screw is collinear with the central line of the top surface of the inner wall of the tank body, two sides of the screw are respectively provided with a sliding groove, a sliding sleeve is movably arranged on the screw, the upper part and the lower part of the sliding sleeve are both opened, two sides of the inner wall of the sliding sleeve are respectively and fixedly provided with a sliding strip, the sliding strips are respectively and simultaneously positioned in the corresponding sliding grooves and can slide along the sliding grooves, one side of the sliding sleeve is fixedly provided with a motor, an output shaft of the motor is fixedly provided with a gear, a threaded sleeve is arranged on the screw, the threaded sleeve is in threaded fit with the screw, the threaded sleeve is positioned below the gear, the top surface of the threaded sleeve is provided with a plane thread, the gear can be meshed with the plane thread on the top surface of the threaded sleeve, the outer sides of the scrapers can be in contact fit with the inner wall of the tank body at the same time respectively, a sleeve is movably arranged on each connecting rod and can slide along the corresponding connecting rod respectively, a plurality of wire wheels are fixedly arranged on the periphery of the threaded sleeve, the distance between every two adjacent wire wheels is equal, the wire wheels correspond to the scrapers one by one, the inner side of each scraper is fixedly connected with one end of a first wire rope, the other end of each first wire rope is fixedly connected with the inner side of the corresponding sleeve at the same time respectively, and the first wire ropes are in contact fit with the peripheries of the corresponding wire wheels at the; the top surface of the motor is connected with one end of a pressing rod through a torsion spring, a contact switch is arranged on the outer side of the top surface of the motor, the bottom surface of the pressing rod can be in contact fit with the contact switch, the other end of the pressing rod is fixedly connected with the upper end of a second rope, and the lower end of the second rope is fixedly connected with the top surface of the floating ball; the lower extreme of pivot is connected through the bearing to the inner wall bottom surface of the jar body, the central line collineation of pivot and screw rod, the articulated one end of connecting several branch of periphery of pivot, the same floater of fixed mounting respectively of the other end of branch, the lower extreme of several guide bars of top surface fixed connection of pivot, the several through-hole is seted up to the bottom surface of swivel nut, through-hole and guide bar one-to-one, the guide bar can pass in the through-hole that corresponds simultaneously respectively, and the periphery of guide bar simultaneously respectively with the inner wall contact cooperation of the through-hole that corresponds.
According to the spraying device for the sofa wood board, the contact surfaces of the scraping plate and the tank body are all wedge-shaped surfaces.
According to the spraying device for the sofa wood board, the vertical section of each scraper is of a right-angled trapezoid structure, and the area of the top surface of each scraper is larger than that of the bottom surface of each scraper.
According to the spraying device for the sofa wood board, one end of at least three connecting rods is fixedly connected to the periphery of the threaded sleeve.
The spraying device for the sofa wood board further comprises a glue inlet, an air inlet pipe and an air outlet pipe, wherein the glue inlet is formed in the top end of the tank body, the air inlet pipe and the air outlet pipe are communicated with the inside of the tank body, a glue outlet pipe communicated with the inside of the tank body is arranged at the bottom end of the tank body, the tail end of the air inlet pipe is communicated with the output end of the air pump, and the glue outlet pipe is connected with a nozzle; the tank body is internally provided with a pressure sensor, and the pressure sensor is connected with an air pump through a controller.
The invention has the advantages that: according to the invention, through mutual matching among the screw rod, the sliding groove, the sliding sleeve and the sliding strip, the motor can vertically slide up and down along the screw rod, the gear is always in threaded engagement with the plane of the top surface of the threaded sleeve under the action of gravity, when the level of glue liquid in the tank body descends, the corresponding floating ball moves downwards, the floating ball pulls the pressure rod through the second rope until the pressure rod is turned downwards to be in contact with the contact switch, the motor is started to drive the threaded sleeve to rotate, the rotation of the edge of the threaded sleeve is vertically moved along the screw rod, and after a certain rotating speed is reached, the sleeves respectively and simultaneously slide outwards along the corresponding connecting rods under the action of centrifugal force, so that the first rope is pulled, the scraping plates respectively and simultaneously turn clockwise around the corresponding torsion springs, one edge of the scraping plates can respectively and simultaneously contact with the inner wall of the tank body, and; meanwhile, through the mutual matching between the through hole and the guide rod, the rotating shaft can be driven to synchronously rotate with the rotating sleeve while the rotating sleeve rotates. According to the invention, through the mutual matching among the first rope, the pressure rod, the contact switch and the floating ball, the motor can descend along with the descending of the liquid level of the glue solution, the glue solution attached to the inner wall of the tank body can be timely scraped, the solidification of the glue solution is avoided, the workload of workers for cleaning the tank body is reduced, the service life of the tank body is prolonged, the scraping plate can also scrape water drops attached to the inner wall of the tank body when the tank body is cleaned, the rotating connecting rod and the scraping plate can stir the air in the tank body, the quick discharge of the clean water in the tank body is facilitated, and when the glue solution is added into the tank body, the motor is controlled to rotate reversely, so; after the motor stops working, the scraper is not contacted with the inner wall of the tank body under the action of the torsion spring any more, so that the phenomenon that the scraper is adhered to the inner wall of the tank body when the scraper is not used for a long time is avoided; the rotating shaft can stir the glue solution in the tank body through the support rod and the corresponding floating ball, so that the glue solution can be prevented from being solidified, the glue solution can be uniformly sprayed out, and the storage time of the glue solution can be prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of the view from the direction A of FIG. 1; FIG. 3 is an enlarged view of the view of FIG. 1 taken along line B; FIG. 4 is an enlarged view of section I of FIG. 1; fig. 5 is an enlarged view of the view along direction C of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A spraying device for sofa wood boards comprises a tank body 1, wherein the top surface of the inner wall of the tank body 1 is fixedly connected with the upper end of a screw rod 2, the screw rod 2 is collinear with the central line of the top surface of the inner wall of the tank body 1, two sides of the screw rod 2 are respectively provided with a chute 3, a sliding sleeve 4 is movably arranged on the screw rod 2, the upper part and the lower part of the sliding sleeve 4 are both opened, two sides of the inner wall of the sliding sleeve 4 are respectively and fixedly provided with a sliding strip 5, the sliding strips 5 are respectively and simultaneously positioned in the corresponding chutes 3 and can slide along the same, one side of the sliding sleeve 4 is fixedly provided with a motor, an output shaft of the motor is fixedly provided with a gear 6, a threaded sleeve 7 is arranged on the screw rod 2 in a threaded manner, the threaded sleeve 7 is in threaded fit with the screw rod 2, the threaded sleeve 7 is positioned below the gear 6, the top surface of the threaded sleeve 7 is provided with a plane thread, the gear 6 can be, the scraping plates 9 are of arc structures, concave surfaces of the scraping plates 9 face the inside of the tank body 1, the outer sides of the scraping plates 9 can be respectively and simultaneously in contact fit with the inner wall of the tank body 1, a sleeve 10 is movably mounted on each connecting rod 8, the sleeve 10 can respectively slide along the corresponding connecting rod 8, a plurality of wire wheels 11 are fixedly mounted on the periphery of the screw sleeve 7, the distance between every two adjacent wire wheels 11 is equal, the wire wheels 11 are in one-to-one correspondence with the scraping plates 9, one end of a first wire rope 12 is fixedly connected to the inner side of each scraping plate 9, the other end of the first wire rope 12 is respectively and simultaneously fixedly connected to the inner sides of the corresponding sleeve 10, and the first wire ropes 12 are respectively and; the top surface of the motor is connected with one end of a compression bar 13 through a torsion spring, a contact switch is arranged on the outer side of the top surface of the motor, the bottom surface of the compression bar 13 can be in contact fit with the contact switch, the other end of the compression bar 13 is fixedly connected with the upper end of a second rope 14, and the lower end of the second rope 14 is fixedly connected with the top surface of a floating ball 15; the bottom surface of the inner wall of the tank body 1 is connected with the lower end of a rotating shaft 16 through a bearing, the rotating shaft 16 is collinear with the central line of the screw rod 2, the periphery of the rotating shaft 16 is hinged with one end of a plurality of supporting rods 17, the other ends of the supporting rods 17 are respectively and fixedly provided with the same floating balls 15, the top surface of the rotating shaft 16 is fixedly connected with the lower ends of a plurality of guide rods 18, a plurality of through holes 19 are formed in the bottom surface of the screw sleeve 7, the through holes 19 are in one-to-one correspondence with the guide rods 18, the guide rods 18 can respectively and simultaneously penetrate through the corresponding through holes 19, and the periphery. The invention enables the motor to vertically slide up and down along the screw rod 2 through the mutual matching among the screw rod 2, the sliding chute 3, the sliding sleeve 4 and the sliding strip 5, under the action of gravity, the gear 6 is always in threaded engagement with the plane of the top surface of the threaded sleeve 7, when the glue liquid level in the tank body 1 descends, the corresponding floating ball 15 moves downwards, the floating ball 15 pulls the pressure lever 13 through the second rope 14 until the pressure lever 13 turns downwards to contact with the contact switch, the motor is started, thereby driving the screw sleeve 7 to rotate, the edge of the screw sleeve 7 rotates and moves vertically along the screw rod 2, when reaching a certain rotating speed, under the effect of the centrifugal force, the sleeves 10 slide outwards along the respective connecting rods 8, respectively, at the same time, pulling the first cord 12, the scrapers 9 turn clockwise around the corresponding torsion springs respectively, and one edge of each scraper 9 can contact with the inner wall of the tank body 1 respectively, so that the glue solution attached to the inner wall of the tank body 1 is scraped; meanwhile, through the mutual matching between the through hole 19 and the guide rod 18, the screw sleeve 7 can drive the rotating shaft 16 to rotate synchronously with the rotating shaft while rotating. According to the invention, through the mutual cooperation of the first rope 12, the pressure rod 13, the contact switch and the floating ball 15, the motor can descend along with the descending of the liquid level of the glue solution, the glue solution attached to the inner wall of the tank body 1 can be timely scraped, the solidification of the glue solution is avoided, the workload of workers for cleaning the tank body 1 is reduced, the service life of the tank body 1 is prolonged, and when the tank body 1 is cleaned, the scraper 9 can also scrape water drops attached to the inner wall of the tank body 1, the rotating connecting rod 8 and the scraper 9 can stir the air in the tank body 1, so that the clean water in the tank body 1 can be rapidly discharged, and when the glue solution is added into the tank body 1, the motor is controlled to rotate reversely, so that the; after the motor stops working, the scraper 9 is not contacted with the inner wall of the tank body 1 under the action of the torsion spring, so that the phenomenon that the scraper 9 is adhered to the inner wall of the tank body 1 when the motor is not used for a long time is avoided; the screw sleeve 7 rotates to drive the rotating shaft 16 to rotate synchronously with the rotating shaft, the rotating shaft 16 can stir the glue solution in the tank body 1 through the supporting rod 17 and the corresponding floating ball 15, the glue solution can be prevented from being solidified, the glue solution can be sprayed out uniformly, and the storage time of the glue solution is prolonged.
Specifically, as shown in fig. 2, the contact surfaces of the scraper 9 and the can body 1 in the present embodiment are all wedge-shaped surfaces. This structure can be convenient for scraper blade 9 and scrape off the glue solution, and be difficult for adhering to on scraper blade 9.
Specifically, as shown in fig. 5, the vertical section of the scraper 9 in this embodiment is a right trapezoid structure, and the area of the top surface of the scraper 9 is larger than the area of the bottom surface thereof. The structure can reduce the contact area between the glue solution and the scraper 9, and the stirred glue solution is beneficial to removing the glue solution scraped by the scraper 9, so that the glue solution is prevented from being attached to the scraper 9.
Further, as shown in the drawings, the periphery of the screw sleeve 7 according to the present embodiment is fixedly connected to one end of at least three connecting rods 8. At least three connecting rods 8 and scrapers 9 thereof can ensure that the adhesive liquid attached to the inner wall of the tank body 1 can be scraped completely.
Furthermore, in order to improve the glue spraying efficiency and the glue spraying quality of the sofa wood board, the embodiment further comprises a glue inlet arranged at the top end of the tank body 1, and an air inlet pipe and an air outlet pipe communicated with the inside of the tank body 1, wherein a glue outlet pipe communicated with the inside of the tank body 1 is arranged at the bottom end of the tank body 1, the tail end of the air inlet pipe is communicated with the output end of the air pump, and the glue outlet pipe is connected with a nozzle; the tank body is internally provided with a pressure sensor, and the pressure sensor is connected with an air pump through a controller. The structure is pushed by air pressure, glue solution is rapidly sprayed on the wood board to facilitate the bonding of the sponge, the traditional manual smearing mode is changed into mechanical automatic operation, the working strength of workers is greatly reduced, and the glue spraying efficiency is improved; cleaning liquid is injected into the tank body through the glue inlet, air is injected into the tank body by using the air pump, and the gas-liquid mixture can wash the interior of the tank body in a large range so as to ensure the service life of the tank body; when data display volume was less value on the pressure gauge, directly improved the power of air pump, when data display volume was great value on the pressure gauge, then correspondingly reduced the power of air pump for the glue solution output in the jar body lasts stably.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.