CN111940247A - Multi-branch double-pencil paint line and painting method thereof - Google Patents

Abstract

The invention provides a multi-branch double-pencil paint line and a painting method thereof, which comprises a feeding conveyor belt and a conveying table board positioned at the output end of the feeding conveyor belt, wherein one end of the conveying table board is provided with a feeding hopper (a discharging hopper) for guiding pencils into a conveying platform below the feeding conveyor belt, the middle part of the conveying platform is provided with a conveying groove for bearing the pencils falling from the feeding hopper, the lower part of the conveying groove is provided with a conveying chain, the conveying chain is fixedly connected with push hooks for pushing the pencils at intervals, the output end of the conveying groove on the upper edge of the conveying platform is provided with a paint pot for storing paint liquid, the conveying table board is also provided with a drying conveyor belt which is positioned below the discharge end of the paint pot and is vertical to the conveying groove, and the output end of the drying conveyor belt is provided with a pencil returning mechanism.

Description

Multi-branch double-pencil paint line and painting method thereof

Technical Field

The invention relates to a multi-branch double-pencil paint line and a painting method thereof.

Background

The existing pencil surface needs to be painted, the pencil needs to be continuously reversely fed for many times, the surface painting is generally carried out through belt conveying in a manual transferring mode, the efficiency is low, the painting is not uniform, and the painting equipment capable of automatically realizing the repeated reverse painting of the pencil needs to be designed.

Disclosure of Invention

The invention improves the problems, namely the technical problems to be solved by the invention are that the conventional pencil needs repeated manual auxiliary feeding for many times, the paint on the surface of the pencil is easily damaged by the original propelling wheel mode, the efficiency is low and the painting is not uniform.

The specific embodiment of the invention is as follows: the utility model provides a many two pencil paint lines that take, includes feeding conveyer belt and the conveying mesa that is located the feeding conveyer belt output, the one end of conveying mesa has the feeder hopper with the leading-in below conveying platform of pencil, and the middle part of conveying platform has and is used for bearing the conveyer trough of pencil by feeder hopper whereabouts, the conveyer trough lower part has the transfer chain, the hook that pushes away of interval fixedly connected with propelling movement pencil on the transfer chain, the last output along the conveyer trough of going up of conveying platform has the lacquer kettle that has the lacquer liquid of storing, still have the drying conveyor who is located the perpendicular to conveyer trough of lacquer kettle row material end below on the conveying mesa, drying conveyor's output has back a mechanism.

Furthermore, return a mechanism including being located what drying conveyor's output set up is used for making the pencil turn to the pen conveyer belt that returns that realizes longitudinal movement, the output that returns a conveyer belt has the arrangement conveyer belt of horizontal setting, it sets up to return a conveyer belt perpendicular to drying conveyor, the direction of delivery of arrangement conveyer belt is opposite with drying conveyor direction of delivery, drying conveyor has two pairs, and one of them conveyer belt top in every pair drying conveyor has the guide plate of slant setting.

Further, push away hook lower extreme fixed connection in transfer chain, the upper end that pushes away the hook has the arc recess that sets up towards conveyer trough output direction, the transfer platform has multiunit track transfer groove, and every group track transfer groove includes a pair of conveyer trough, the transfer chain that a set of track transfer groove below corresponds is by same transport drive shaft drive, the drive gear that coaxial fixedly connected with and two track conveyer trough lower part transfer chains of the same group mesh respectively on the transport drive shaft, two of the same group of transfer groove push away the hook and connect as an organic wholely through the horizontal pole.

Further, lacquer kettle both sides have pencil inlet hole and pencil and exit respectively, the stock guide has between conveyer trough and the lacquer kettle, the stock guide upper surface has the stock guide, the both ends of stock guide respectively with the pencil inlet hole parallel and level of conveyer trough output and lacquer kettle, the stock guide has towards one side of conveyer trough output and has to be favorable to the leading-in taper flaring of pencil.

Further, the track conveyer trough has many pairs, and the lacquer kettle that the output of every pair track conveyer trough corresponds is provided with a pair of pencil inlet hole and pencil and is holed, and the lacquer kettle is holed the below and is had a pair of drying conveyor belt, one side that drying conveyor belt deviates from the lacquer kettle has the striker plate, drying conveyor belt is located the stoving mesa, stoving mesa upper portion is covered with confined heating mantle, the heating mantle internal surface has electric heating wire.

Furthermore, the pen returning conveying belt is located on the pen returning conveying table surface, side plates located on two sides of the pen returning conveying belt are fixed on the pen returning conveying table, and the distance between the side plates is gradually reduced from the input direction to the output direction of the pen returning conveying belt.

Furthermore, the material guiding plate is fixed on the upper surface of the pen returning conveying table, one end of the material guiding plate is located between each pair of drying conveying belts, and the other end of the material guiding plate extends to the outer side of one of the drying conveying belts.

Further, the output end of the arranging conveyor belt is provided with a pencil temporary storage table board, the output end of the temporary storage table board is provided with a sealing plate which is matched with the temporary storage table board to enable the side part of the temporary storage table board to be sealed, and two sides of the conveying groove are also detachably connected with base plates.

Furthermore, the feed hopper comprises two material side plates which are arranged in parallel in the front and back direction, a material sorting mechanism and a material blanking control mechanism are arranged in the two material side plates, the material sorting mechanism comprises a middle material roller which is vertically and rotatably connected with the material side plates and a left material roller and a right material roller which are symmetrically and parallelly arranged on two sides below the middle material roller and are respectively and vertically and rotatably connected with the material side plates, the left material roller, the right material roller and the middle material roller synchronously and reciprocally swing, and sorting convex strips which protrude outwards and extend along the axial direction are arranged on the peripheral walls of the left material roller, the right material roller and the middle material roller;

the blanking control mechanism comprises a middle blanking control plate which is arranged under a middle material roller and is vertically and rotatably connected with a material side plate, and a left blanking control plate and a right blanking control plate which are symmetrically arranged on the outer sides of the left material roller and the right material roller and are vertically and rotatably connected with the material side plate, the middle blanking control plate, the left blanking control plate and the right blanking control plate synchronously and reciprocally swing, the minimum distances between the periphery of the middle blanking control plate and the periphery of the left material roller, the periphery of the middle blanking control plate and the periphery of the right material roller, the periphery of the left blanking control plate and the periphery of the left material roller, and the periphery of the right material roller are all smaller than the diameter of a pencil, a first blanking gap is formed between the right material roller and the middle blanking control plate as well as between the left material roller and the middle blanking control, the conveying chute is arranged corresponding to the first blanking gap and the second blanking gap.

Furthermore, the output end of the arrangement conveying belt faces the input end of the feeding conveying belt, the feeding conveying belt which enables the pencil to be discharged by the receiving and arranging conveying belt is arranged, the conveying direction of the feeding conveying belt is the same as that of the arrangement conveying belt, the feeding conveying belt comprises a driving belt wheel, a driven belt wheel and a feeding conveying belt sleeved outside the driving belt wheel, a driving shaft is coaxially fixed on the driving belt wheel, a ratchet wheel is fixedly connected to one end of the driving shaft, a driving disc is coaxially sleeved on the driving shaft, a pawl which can stir the ratchet wheel to rotate in a single direction is connected to the driving disc through a hinge, a pull rod which can swing up and down in a reciprocating mode is eccentrically connected to the driving disc.

The invention also comprises a method for painting the multiple double-strip pencils, which is characterized in that the method utilizes the paint line of the multiple double-strip pencils and comprises the following steps:

(1) placing the pencils to be painted on a feeding conveyor belt, guiding the pencils into a feeding hopper by the feeding conveyor belt, stirring the pencils to two sides by an intermediate material roller in the feeding hopper, and stirring a left material roller and a right material roller which are positioned at two sides of the intermediate material roller to distribute the pencils into each blanking groove;

(2) the pencil falls from the charging chute to a lower track conveying chute, and the pencil in the track conveying chute is output to a paint kettle through a guide plate by a push hook;

(3) the pencil continuously penetrates through the painting kettle to paint the surface of the pencil;

(4) the pencils discharged from the paint kettle fall onto the upper surface of the drying conveyor belt, the pencils distributed on the drying conveyor belt are deflected through the separation of the material guiding plate after being dried, and when one end of the pencils contacts the pencil returning conveyor belt, the pencil returning conveyor belt drives the pencils to turn around;

(5) the pencil returning conveyor belt is continuously conveyed to the feeding conveyor belt through the finishing conveyor belt, so that the reverse output of the pencils is realized, and the pencils enter the feeding hopper again to complete one cycle;

(6) and finishing the painting of the surface of the pencil after repeated circulating drying.

Compared with the prior art, the invention has the following beneficial effects: the invention has simple structure, can conveniently realize the reciprocating reverse painting of the pencil, has accurate and stable material conveying, can adjust each working procedure part according to the requirement, has strong adaptability,

greatly improving the production efficiency.

Drawings

FIG. 1 is a schematic view of the overall layout of the painting machine of the present invention.

Fig. 2 is a schematic diagram of a transfer table structure according to the present invention.

FIG. 3 is a schematic view of the layout structure of the track conveying trough and the paint kettle of the present invention.

Fig. 4 is a schematic diagram of a push hook layout structure according to the present invention.

Fig. 5 is a schematic view of a material guide plate according to the present invention.

FIG. 6 is a schematic view of the construction of the paint can of the present invention.

FIG. 7 is a schematic diagram of the track conveying trough layout structure of the present invention.

FIG. 8 is a schematic view of a partial structure of the pen-returning conveyor belt according to the present invention.

FIG. 9 is a schematic view of a pencil returning status according to the present invention.

Fig. 10 is a schematic view of the input conveyor drive configuration of the present invention.

FIG. 11 is a schematic view of the feed hopper of the present invention;

FIG. 12 is a schematic view of the internal configuration of the hopper of the present invention I (without the transmission mechanism);

FIG. 13 is a schematic view of a feed hopper configuration of the present invention II (without side plates);

FIG. 14 is a perspective view of the feed hopper material sorting mechanism and the sorting drive mechanism of the present invention;

FIG. 15 is a schematic perspective view of a feeding hopper controlled blanking mechanism and a blanking transmission mechanism according to the present invention.

Fig. 16 is a schematic view of an adjusting structure of the striker plate of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 16, the overall functional structure of the multi-branch double-pencil paint line comprises a feeding conveyor belt and a conveying table top located at the output end of the feeding conveyor belt, wherein a hook chain pen conveying and painting mechanism is arranged on the conveying table top, the hook chain pen conveying and painting mechanism is used for painting pencils, then the painted pencils are dried through a drying conveyor belt, finally the dried pencils are discharged and turned to the feeding conveyor belt to be painted again, and the uniform painting on the surfaces of the pencils is realized through repeated and reciprocating painting.

Specifically, including being used for conveying mesa 10, conveying mesa's one end has the feeder hopper 20 with the leading-in below conveying platform of pencil, and feeder hopper 20 is used for stacking the pencil that treats the surface and be stained with lacquer, and feeder hopper 20 below has the relief hole with material discharge, conveying platform 10's middle part has the rail conveyer trough 110 that is used for bearing the pencil that falls by the relief hole of feeder hopper, rail conveyer trough 110 lower part has transfer chain 120, interval fixedly connected with propelling movement pencil push hook 121 on the transfer chain, conveying platform 10's the output along rail conveyer trough has the lacquer kettle 30 that has storage paint liquid.

In this embodiment, the conveyor chain 120 is driven by a motor in a ring shape in the same manner as the existing conveyor chain, the conveyor chain 120 is fixed with the push hooks 121 at intervals, the distance between the push hooks is designed according to the length of the pencil, and when the push hooks 121 move, the pencil in the upper track conveying groove 110 can be synchronously driven to move.

The push hook 121 extends from the lower part of the rail conveying groove 110 to the upper part of the rail conveying groove 110, and the width of the rail conveying groove 110 can be used for the push hook 121 to extend, but the pencil can be ensured not to fall from the rail conveying groove 110 to the lower part.

The two sides of the paint kettle 30 are respectively provided with a pencil inlet 310 and a pencil outlet 320, the guide plate 130 is arranged between the track conveying trough 110 and the paint kettle 30, the upper surface of the guide plate 130 is provided with a guide chute 131, two ends of the guide chute 131 are respectively flush with the output end of the track conveying trough and the pencil inlet of the paint kettle, and the guide chute 131, the track conveying trough 110, the pencil inlet 310 and the pencil outlet 320 are coaxially arranged.

Due to the fact that the push hook 121 is likely to deviate in the moving process, the pencil located on the rear side of adjacent pencils moving in the guide chute 131 abuts against the pencil located on the front side through the transmission of the guide chute 131, so that the pencil is pushed, the pencils can continuously penetrate through the paint kettle 30, the liquid level surface of paint in the paint kettle 30 exceeds the height of the pencil inlet hole 310 and the height of the pencil outlet hole 320, and the pencil inlet hole 310 and the pencil outlet hole 320 are continuously provided with pencils to block the pencil inlet hole 310 and the pencil outlet hole 320, so that the paint liquid is prevented from leaking.

Of course, the distance between the pencil inlet 310 and the pencil outlet 320 of the paint can 30 is smaller than the length of the pencil, so as to prevent the pencil from falling into the paint can 30.

In this embodiment, the guide chute 131 has a tapered flared opening 132 for guiding a pencil into the guide chute 131, so that the pencil can be conveniently guided into the guide chute 131 to be centered, and the pencil can better penetrate through the pencil feeding hole of the paint can.

In this embodiment, push away hook lower extreme fixed connection on the transfer chain, push away the upper end of hook and have the arc recess that sets up towards conveying track conveying groove output direction.

In this embodiment, the conveying platform has a plurality of sets of track conveying grooves, each set of track conveying groove includes a pair of track conveying grooves 110, the corresponding conveying chains below the set of track conveying grooves are driven by the same conveying driving shaft, the conveying driving shaft is coaxially and fixedly connected with driving gears respectively engaged with the lower conveying chains of the two track conveying grooves in the same set, the two push hooks 121 of the same set of conveying grooves are connected into a whole through a cross rod 211, the two track conveying grooves 110 of the same set of track conveying grooves run synchronously, and the lacquer pot 30 can simultaneously feed pencils into the pencil feeding holes 310 and the pencil outgoing holes 320 in the number corresponding to the track conveying grooves 110 in the same set of conveying grooves.

In this embodiment, the lacquer pots 30 each have two pencil inlet holes 310 and two pencil outlet holes 320.

The conveying table top 10 is also provided with a drying conveyor belt 40 which is positioned below the outlet hole of the paint kettle and is vertical to the conveying groove, and one side of the drying conveyor belt 40, which is far away from the paint kettle, is provided with a baffle plate 140. For feeding the pencils onto the drying conveyor 40.

The striker plate 140 can be directly fixed on the conveying table 10 and can be adjusted by other methods, the shape and size of the striker plate 140 are designed according to the number and range of the corresponding conveying grooves, and in this embodiment, the striker plate 140 is designed to be circular.

After the pencils discharged from the pencil outlets 320 fall onto the drying conveyor 40, the blocking of the material blocking plate 140 can prevent the pencils discharged from the pencil outlets 320 from falling outside the drying conveyor 40.

In this embodiment, the drying conveyor 40 is located on the drying table 410, the upper part of the drying table 410 is covered with a closed heating cover 420, and the inner surface of the heating cover is provided with an electric heating wire. The heating device of the embodiment utilizes the electric heating mode to improve the temperature of the heating cover 420, thereby improving the drying of the pencil with paint stuck on the upper surface of the drying conveyor belt 40, and the pencil surface needs to be repeatedly painted for many times in actual work to meet the requirement of the thickness of the surface paint.

According to different paints, the length of the drying conveyor belt 40 is set at the room temperature of the equipment, the pencils on the drying conveyor belt 140 are guaranteed to be air-dried, and a heating device needs to be additionally arranged outside the drying conveyor belt under the environment that the operating conditions can be met only by heating.

In order to enable the output end on the drying conveyor belt 40 to be provided with a pencil returning conveyor belt 50 which is longitudinally arranged and used for enabling the pencils to be turned to move longitudinally, the output end of the pencil returning conveyor belt 50 is provided with a transversely arranged arranging conveyor belt 60, the conveying direction of the arranging conveyor belt 60 to the pencils is opposite to the conveying direction of the drying conveyor belt, the drying conveyor belt is provided with a plurality of pairs, and a guide plate 70 which is obliquely arranged is arranged above one conveyor belt in each pair of drying conveyor belts.

In this embodiment, the pen returning conveyor 50 has side plates 510 with gradually narrowed intervals on both sides.

In this embodiment, the pen returning conveyor belt is located on the pen returning conveyor table 520, the side plate 510 is also fixed on the pen returning conveyor table 520, wherein the side plate 510 on one side is arc-shaped and gradually approaches to the other side plate along the pen returning conveyor belt direction, so that the distance between the two side plates gradually narrows along the pen returning conveyor belt output direction.

The during operation, the pencil that finishes from drying conveyor belt 10 input lacquering is carried it to returning a conveyer belt 50, receive guide and the resistance of feed guiding plate 70 and change into the slant from horizontal gradually at the in-process of carrying, when oblique pencil one end falls into returning a conveyer belt 50, the moving speed of returning a conveyer belt 50 is greater than drying conveyor belt 10 and arranges material speed, thereby take the pencil fast and turn round the state that forms perpendicular to drying conveyor belt 10 direction, then when being in the pencil that returns on the conveyer belt 50 fall into arrangement conveyer belt 60 on then the time utilize arrangement conveyer belt 60 to realize piling up the pencil that turns round in order to do benefit to follow-up discharge.

The angle that can gradually adjust back the pencil on the pen conveyer belt 50 is located the angle that narrows down gradually of the curb plate 510 of returning the pen conveyer belt 50 both sides, makes the pencil progressively put right and fall into arrangement conveyer belt 60 on, and the output of arrangement conveyer belt 60 has placed under the initial condition has had pencil temporary storage mesa 610, the output of temporary storage mesa 610 has from the cooperation can make the closed shrouding 620 of temporary storage mesa lateral part. The staging surface 610 may be pre-positioned with transverse stops or may be pre-stacked with the pencils being parallel to the return conveyor such that the pencils exiting the collating conveyor 60 are progressively blocked by the stacked pencils and progressively lean into a parallel orientation with the return conveyor 50.

In this embodiment, the guiding plate is fixed on the upper surface of the pen retrieving conveying table, one end of the guiding plate is located between each pair of drying conveyor belts, and the other end extends to the outside of one of the drying conveyor belts, in this embodiment, 2 pairs of drying conveyor belts 10 are provided, as shown in the drawing, the guiding plate 70 guides one of the drying conveyor belts, in this embodiment, 4 pencil guiding drying conveyor belts 402 and drying conveyor belts 404 including the drying conveyor belt 401 and the drying conveyor belt 403 are provided for the drying conveyor belts, and finally, the pencil guiding drying conveyor belts and the drying conveyor belts are discharged through the drying conveyor belts 402 and the.

In this embodiment, the pen returning conveyor belt and the tidying conveyor belt are driven by the same motor to rotate, and certainly, the pen returning conveyor belt, the tidying conveyor belt and the drying conveyor belt are driven by independent motors.

Example two: in this embodiment, in order to better connect the striker plate connecting rod 141 to the rear side of the striker plate 140, the striker plate connecting rod is hinged to a vertical plate 142, a vertical fixing column 143 fixed on the conveying table top is arranged beside the vertical plate, a hoop 144 is sleeved on the fixing column, an adjusting plate 145 is fixedly connected to the outer side end of the hoop, the adjusting plate 145 has an adjusting groove 146, and a horizontal adjusting rod inserted into the adjusting groove is fixedly connected to the upper end of the vertical plate.

In order to adapt to pencils with different widths, the backing plates 150 can be detachably connected to two sides of the rail conveying groove, and the transverse width of the conveying groove can be enlarged if the backing plates are detached, so that the pencil can adapt to the widths of the different pencils.

In the third embodiment, in the step-by-step conveying or accelerated conveying of the feeding conveyor belt 80, the conveying direction of the feeding conveyor belt is the same as that of the finishing conveyor belt and is opposite to that of the drying conveyor belt, the feeding conveyor belt 80 includes a driving pulley 810, a driven pulley and a feeding conveyor belt 820 sleeved outside the driving pulley, the driving pulley is coaxially fixed with a driving shaft 830, one end of the driving shaft is fixedly connected with a ratchet 840, the driving shaft is coaxially sleeved with a driving disc 850, the driving disc 550 is hinged with a pawl 860 capable of shifting the ratchet to rotate in a single direction, the driving disc is eccentrically connected with a pull rod 870 capable of swinging up and down in a reciprocating manner, and the driving shaft is connected with an output shaft of an acceleration motor.

The pull rod 870 is eccentrically connected to an output shaft of a motor to achieve reciprocating swing of the pull rod, the pawl 560 can abut against the ratchet wheel 840 to rotate during swing, the driving disk 850 reversely rotates to enable the pawl 860 to rotate without driving the ratchet wheel to rotate when the pawl 860 retracts, and further stepping output of the feeding conveying belt 80 is achieved, the feeding conveying belt aims to enable a turned pencil to enter a painting process again to achieve reciprocating painting, in addition, the driving shaft is connected with an output shaft of an accelerating motor through chain transmission, and when acceleration is needed, the accelerating motor independently drives the driving shaft of the feeding conveying belt 80 to drive the driving belt wheel 810 to rotate, and further rapid movement of the feeding conveying belt 80 can be achieved.

In the fourth embodiment, the feeding hopper 20 includes a material collecting mechanism 21, a material sorting mechanism 22, a material blanking control mechanism 23 and an unloading transmission mechanism 24, the material collecting mechanism includes two material side plates 25 arranged in parallel in front and back, and the material sorting mechanism and the material blanking control mechanism are arranged between the material side plates;

the pencil stacking mechanism comprises a feeding conveyor belt 80, a material sorting mechanism, a material collecting mechanism, a feeding transmission mechanism and a discharging mechanism, wherein the feeding conveyor belt 80 is used for inputting the stacked pencils, when the pencils move to the side of the feeding hopper, the material sorting mechanism in the feeding hopper is used for sorting the pencils to prevent the pencils from being stacked too much and arranged disorderly, the material collecting mechanism is used for controlling the discharging of the pencils to prevent too many pencils from being dropped at one time, the material collecting mechanism is used for collecting the pencils; the material side plate can block the pencils from the two sides to slide, and the collected pencils are smoother.

The material sorting mechanism comprises a middle material roller 26 which is vertically and rotationally connected with the material side plate, and a left material roller 27 and a right material roller 28 which are symmetrically and parallelly arranged on two sides below the middle material roller and are respectively and vertically and rotationally connected with the material side plate, wherein the left material roller, the right material roller and the middle material roller synchronously and reciprocally swing, and sorting convex strips 29 which are convex outwards and extend along the axial direction are arranged on the outer peripheral walls of the left material roller, the right material roller and the middle material roller;

the pencils enter the upper part of the feeding hopper from the left side of the output end of the feeding conveyor belt 80, then the pencils entering the feeding hopper firstly pass through the intermediate material roller, are shifted to and fro by the sorting convex strips on the intermediate material roller to enable the pencils to fall from the left side and the right side uniformly, are respectively contacted with the left material roller and the right material roller, are shifted to the left side and the right side by the sorting convex strips on the left material roller and the right material roller and then fall;

the pencil is sorted for multiple times and sorted to multiple directions, so that the pencil sorting machine is suitable for large-scale pencil sorting, and excessive pencils in one direction are prevented; and three material cylinder synchronous reciprocating swing simultaneous working has improved letter sorting efficiency, and the letter sorting sand grip is favorable to coming the pencil letter sorting, prevents that the pencil from piling up the multilayer and arranging in disorder and occupying space, is favorable to the arrangement of pencil to be collected.

The control blanking mechanism comprises a middle blanking control plate 210 which is arranged under a middle material roller and is vertically and rotatably connected with a material side plate, and a left blanking control plate 211 and a right blanking control plate 212 which are symmetrically arranged on the outer sides of the left material roller and the right material roller and are vertically and rotatably connected with the material side plate, wherein the middle blanking control plate, the left blanking control plate and the right blanking control plate synchronously swing in a reciprocating manner, and the minimum distances between the periphery of the middle blanking control plate and the periphery of the left material roller, the periphery of the middle blanking control plate and the periphery of the right material roller, the periphery of the left blanking control plate and the periphery of the left material roller, and the periphery of the right blanking control plate and the periphery of the right material roller;

when the blanking control plate rotates to the position that the distance between the periphery and the periphery of the adjacent material roller is the minimum distance, the pencil cannot fall down; the pencil can only fall when the blanking control panel continues to swing to the distance between periphery and the adjacent material cylinder periphery and is greater than the pencil diameter, can control the whereabouts progress of each whereabouts direction pencil of pencil fast conveniently with this kind of mode.

In one embodiment, the material collection mechanism further comprises material collection slots 213 respectively disposed between the left material roller and the left material control plate, between the left material roller and the middle material control plate, between the right material roller and the middle material control plate, and between the right material roller and the right material control plate;

a plurality of collecting chutes are collected the pencil simultaneously and can use large batch pencil letter sorting to collect, prevent that the ascending pencil accumulation of a side is too much.

The transmission mechanism comprises a blanking transmission mechanism 214, the blanking transmission mechanism comprises a left blanking transmission rod 215, a right blanking transmission rod 216 and a middle blanking transmission rod 217 which are fixedly arranged at the front end of the left blanking control plate, the front end of the right blanking control plate and the front end of the middle blanking control plate respectively, the blanking transmission mechanism also comprises a left blanking connecting rod 218 and a right blanking connecting rod 219, the left blanking connecting rod and the middle blanking transmission rod are arranged between the left blanking transmission rod and the middle blanking transmission rod and are hinged with the end parts of the left blanking transmission rod and the middle blanking transmission rod respectively, and the right blanking connecting rod 219 is arranged between the; the left blanking transmission rod or the right blanking transmission rod is also hinged with a power input rod 220 which does reciprocating motion;

the left blanking connecting rod and the right blanking connecting rod connect the three blanking transmission rods to enable the three blanking control plates to synchronously swing and respectively control the pencils falling in four directions, so that the control is simplified, and the transmission efficiency and the production efficiency are improved; the power output rod can be externally connected with a rotating cam or a reciprocating cylinder or a hydraulic cylinder so as to provide power for the device.

The transmission mechanism further comprises a sorting transmission mechanism 221, the sorting transmission mechanism comprises a left sorting transmission rod 222, a right sorting transmission rod 23 and a middle sorting transmission rod 224 which are fixedly arranged at the rear end of the left material roller, the rear end of the right material roller and the rear end of the middle material roller respectively, the sorting transmission mechanism further comprises a left sorting connecting rod 225 and a right sorting connecting rod 226, the left sorting connecting rod 225 is arranged between the left sorting transmission rod and the middle sorting transmission rod and is hinged with the end portions of the left sorting transmission rod and the middle sorting transmission rod respectively, and the right sorting connecting rod 226 is arranged between the right sorting transmission rod and the middle sorting;

the left sorting connecting rod and the right sorting connecting rod are used for connecting the three sorting transmission rods to enable the three material rollers to swing synchronously, pencils are stirred and sorted to multiple directions, control is simplified, and transmission efficiency and sorting efficiency are improved.

A sorting power connecting rod 227 is fixedly arranged at the rear end part of the left blanking control plate or the right blanking control plate, and the sorting power connecting rod and the middle sorting transmission rod are respectively hinged with two ends of the middle power transmission rod 228;

sorting power connecting rod and middle letter sorting transfer line swing in step after being connected through middle power transmission pole, and blanking drive mechanism uses same power supply with letter sorting drive mechanism promptly, and synchronous motion has guaranteed the degree of accuracy of pencil letter sorting, has greatly promoted the efficiency of pencil letter sorting material loading, has simplified power transmission structure, has promoted power transmission efficiency.

The invention also comprises a method for painting the multiple double-strip pencils, which utilizes the paint line of the multiple double-strip pencils and comprises the following steps:

(1) placing the pencils to be painted on a feeding conveyor belt, guiding the pencils into a feeding hopper by the feeding conveyor belt, stirring the pencils to two sides by an intermediate material roller in the feeding hopper, and stirring a left material roller and a right material roller which are positioned at two sides of the intermediate material roller to distribute the pencils into each material conveying groove;

(2) the pencil falls from the conveying chute to a track conveying chute below, and the pencil in the conveying chute is output to the paint kettle through the guide plate by the push hook;

(3) the pencil continuously penetrates through the painting kettle to paint the surface of the pencil;

(4) the pencils discharged from the paint kettle fall onto the upper surface of the drying conveyor belt, the pencils distributed on the drying conveyor belt are deflected through the separation of the material guiding plate after being dried, and when one end of the pencils contacts the pencil returning conveyor belt, the pencil returning conveyor belt drives the pencils to turn around;

(5) the pencil returning conveyor belt is continuously conveyed to the feeding conveyor belt through the finishing conveyor belt, so that the reverse output of the pencils is realized, and the pencils enter the feeding hopper again to complete one cycle;

(6) and finishing the painting of the surface of the pencil after repeated circulating drying.

The invention aims to provide a pencil feeding mechanism which can conveniently and quickly synchronously sort out single pencils and collect and arrange the single pencils into a plurality of collecting grooves, so that the pencil feeding process is simplified, and the production efficiency is improved.

Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.

Meanwhile, if the invention as described above discloses or relates to parts or structural members fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.

Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.

It should be finally noted that in the above embodiments, each group of track grooves has two pencils, which may also be one, three, four or more pencils, and the examples are only used to illustrate the technical solution of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a many two pencil paint lines that take, its characterized in that, includes feeding conveyer belt and the conveying mesa that is located the feeding conveyer belt output, the one end of conveying mesa has the feeder hopper with the leading-in below conveying platform of pencil, and the middle part of conveying platform has and is used for bearing the track conveyer trough of the pencil that falls by the feeder hopper, track conveyer trough lower part has the transfer chain, interval fixedly connected with propelling movement pencil push hook on the transfer chain, the last output of track conveyer trough of going up of transfer platform has the lacquer kettle that has storage oil paint liquid, still have the stoving conveyer belt that is located the perpendicular to track conveyer trough of lacquer kettle discharge end below on the conveying mesa, the output of stoving conveyer belt has pen returning mechanism.

2. The multi-branch double-belt pencil paint line as claimed in claim 1, wherein the pencil returning mechanism includes a pencil returning conveyor belt disposed at an output end of the drying conveyor belt for turning the pencils to achieve longitudinal movement, the output end of the pencil returning conveyor belt has a transversely disposed sorting conveyor belt, the pencil returning conveyor belt is disposed perpendicular to the drying conveyor belt, a conveying direction of the sorting conveyor belt is opposite to a conveying direction of the drying conveyor belt, the drying conveyor belt has two pairs, and one conveyor belt of each pair of the drying conveyor belts has an obliquely disposed guide plate above the other conveyor belt.

3. The multi-branch double-belt pencil paint line as claimed in claim 2, wherein the lower end of the push hook is fixedly connected to the conveying chain, the upper end of the push hook has an arc-shaped groove disposed toward the output direction of the track conveying groove, the conveying platform has a plurality of sets of track conveying grooves, each set of track conveying groove includes a pair of track conveying grooves, the corresponding conveying chain under one set of track conveying grooves is driven by the same conveying driving shaft, the conveying driving shaft is coaxially and fixedly connected with driving chain wheels respectively engaged with the conveying chains under the two track conveying grooves of the same set, and the two ends of the driving chain wheels are respectively provided with electromagnetic clutches, so that the two push hooks of the track conveying grooves of the same set are connected into a whole through a cross bar due to a slipping effect in overload.

4. The multi-branch double-pencil paint line as claimed in claim 3, wherein the two sides of the paint kettle are respectively provided with a pencil inlet hole and a pencil outlet hole, a guide plate is arranged between the track conveying trough and the paint kettle, a guide groove is arranged on the upper surface of the guide plate, two ends of the guide groove are respectively flush with the output end of the track conveying trough and the pencil inlet hole of the paint kettle, and one side of the track guide groove facing the output end of the track conveying trough is provided with a tapered flaring which is beneficial to guiding in pencils.

5. The multi-branch double-pencil paint line as claimed in claim 4, wherein the track conveying grooves have a plurality of pairs, the paint kettle corresponding to the output end of each pair of track conveying grooves is provided with a pair of pencil inlet holes and a pair of pencil outlet holes, a pair of drying conveyor belts are arranged below the pencil outlet holes, one side of the drying conveyor belts, which is far away from the paint kettle, is provided with a baffle plate, the drying conveyor belts are arranged on a drying table top, the upper part of the drying table top is covered with a closed heating cover, and the inner surface of the heating cover is provided with an electric heating wire.

6. The multi-branch double-belt pencil paint line as claimed in claim 2, wherein the pencil returning conveyor belt is located on the pencil returning conveyor table top, and side plates located on both sides of the pencil returning conveyor belt are fixed on the pencil returning conveyor table top, and the distance between the side plates is gradually reduced along the input direction of the pencil returning conveyor belt towards the output direction.

7. The multi-branch dual-belt pencil paint line of claim 6, wherein said feed tab is fixed to the upper surface of the return conveyor table, one end of the feed tab being located between each pair of drying conveyor belts and the other end extending outside one of the drying conveyor belts.

8. The multi-branch double-pencil paint line as claimed in claim 2, wherein the output end of the arranging conveyor belt is provided with a temporary storage table for pencils, the output end of the temporary storage table is provided with a sealing plate which can be matched with the temporary storage table to seal the side part of the temporary storage table, and the two sides of the conveying trough are detachably connected with backing plates.

9. The multi-branch double-belt pencil paint line as claimed in claim 7 or 8, wherein the feed hopper comprises two material side plates arranged in parallel in front and back, a material sorting mechanism and a material discharging control mechanism are arranged in the two material side plates, the material sorting mechanism comprises an intermediate material roller vertically and rotatably connected with the material side plates, and a left material roller and a right material roller symmetrically and parallelly arranged on two sides below the intermediate material roller and respectively vertically and rotatably connected with the material side plates, the left material roller, the right material roller and the intermediate material roller synchronously and reciprocally swing, and sorting convex strips protruding outwards and extending in the axial direction are arranged on the outer peripheral walls of the left material roller, the right material roller and the intermediate material roller;

the blanking control mechanism comprises a middle blanking control plate which is arranged under a middle material roller and is vertically and rotatably connected with a material side plate, and a left blanking control plate and a right blanking control plate which are symmetrically arranged on the outer sides of the left material roller and the right material roller and are vertically and rotatably connected with the material side plate, the middle blanking control plate, the left blanking control plate and the right blanking control plate synchronously and reciprocally swing, the minimum distances between the periphery of the middle blanking control plate and the periphery of the left material roller, the periphery of the middle blanking control plate and the periphery of the right material roller, the periphery of the left blanking control plate and the periphery of the left material roller, and the periphery of the right material roller are all smaller than the diameter of a pencil, a first blanking gap is formed between the right material roller and the middle blanking control plate as well as between the left material roller and the middle blanking control, the conveying groove is arranged corresponding to the first blanking gap and the second blanking gap.

10. A method for painting a plurality of double-pencil leads, wherein the multi-double-pencil paint line of claim 9 is used, comprising the steps of:

(1) placing the pencils to be painted on a feeding conveyor belt, guiding the pencils into a feeding hopper by the feeding conveyor belt, stirring the pencils to two sides by an intermediate material roller in the feeding hopper, and stirring a left material roller and a right material roller which are positioned at two sides of the intermediate material roller to distribute the pencils into each conveying groove;

(2) the pencil falls to a track conveying groove below from the conveying groove, and the pencil in the track conveying groove is output to the paint kettle through a guide plate by a push hook;

(3) the pencil continuously penetrates through the painting kettle to paint the surface of the pencil;

(4) the pencils discharged from the paint kettle fall onto the upper surface of the drying conveyor belt, the pencils distributed on the drying conveyor belt are deflected through the separation of the material guiding plate after being dried, and when one end of the pencils contacts the pencil returning conveyor belt, the pencil returning conveyor belt drives the pencils to turn around;

(5) the pencil returning conveyor belt is continuously conveyed to the feeding conveyor belt through the finishing conveyor belt, so that the reverse output of the pencils is realized, and the pencils enter the feeding hopper again to complete one cycle;

(6) and finishing the painting of the surface of the pencil after repeated circulating drying.

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