CN208661510U - A kind of PU material automatic spray apparatus for the production of PHC plate - Google Patents

Abstract

The utility model provides a kind of PU material automatic spray apparatus for the production of PHC plate, including spraying outer container and servo motor, the lower end of spraying outer container is vertically connected with four support legs, and it is fixed by the bracket on the side side wall of spraying outer container and is connected with servo motor, baffle is vertically connected on the inner sidewall of the spraying outer container, and the inner cavity for spraying outer container is divided into left spraying chamber and right material cavity by baffle, and the both ends there are two delivery roll are symmetrically rotatablely connected on the opposite side wall of the left spraying chamber.The utility model overcomes the deficiencies in the prior art, and design is rationally, compact-sized, automatically to PHC plate spraying PU material, a large amount of labour has been saved, and manual operation is compared in mechanically actuated, spray more uniform, the effective quality of production for improving PHC plate reduces the burden in processing staff.

Description

A kind of PU material automatic spray apparatus for the production of PHC plate

Technical field

The utility model relates to composite board production equipment technologies, and in particular to it is a kind of for PHC plate production PU expects automatic spray apparatus.

Background technique

The features such as PHC relies on light weight, intensity is high, it can be applicable to cover plate of spare tire of automobile, board putting things, dormer window sunshading board and branch On the components such as board.PHC has been widely used in European vehicle, and by nearly development in 2 years, the material is in China The application of automobile industry is also just increasing rapidly.

PHC is sandwich, it is using core material as substrate, and upper and lower composite cover, surface recombination decorative layer forms, according to product It needs, surface decoration layer can be with materials such as composite material, non-woven fabrics and PVC leathers.Surface material generallys use glass or carbon fiber Tie up felt material spraying PU combination material.Honeycomb cardboard, corrugated cardboard, aluminium sheet and plastic plate etc. can be used in core material.

PHC has the advantages that light-weight and bending modulus is high；Heat-resisting quantity is good, good stability of the dimension；Impact resistance is excellent It is different；Design freedom is high, can be designed as non-planar articles and not uniform thickness product etc., can also expect by adjusting glass and PU Dosage meets the different intensity requirement of product；High production efficiency, in production can be to avoid using release agent.

The moulding process of PHC plate is generally divided into glass and core material composition, spraying PU material, compression molding, gluing, composite surface Material and the installation of bound edge attachment.Existing PHC plate needs workers processing person that first PHC plate is fixed when spraying PU material, For subsequent processing staff's pistol to PHC plate spraying PU material, this spraying method not only wastes a large amount of manpower, but also due to Manual operation not can guarantee the quality of spraying, causes the PU on PHC plate to expect that spraying is uneven, influences the product matter of PHC plate Amount, this brings a great deal of trouble to staff, so we have proposed a kind of automatic sprayings of PU material for the production of PHC plate Device.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of automatic spraying of PU material for the production of PHC plate Device overcomes the deficiencies in the prior art, and design is rationally, compact-sized, automatically to PHC plate spraying PU material, has saved a large amount of Labour, and manual operation is compared in mechanically actuated, sprays more uniform, the effective quality of production for improving PHC plate, drop Burden in low processing staff.

(2) technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs:

A kind of PU material automatic spray apparatus for the production of PHC plate, including spraying outer container and servo motor, spray outer container Lower end be vertically connected with four support legs, and spray to be fixed by the bracket on the side side wall of outer container and be connected with servo motor, It is vertically connected with baffle on the inner sidewall of the spraying outer container, and the inner cavity for spraying outer container is divided into left spraying chamber and right object by baffle Expect chamber, the both ends there are two delivery roll, the biography positioned at front side are symmetrically rotatablely connected on the opposite side wall of the left spraying chamber The middle part of defeated roller is fixed to be plugged with shaft, and one end of shaft reaches the exocoel of spraying outer container and connects the output of servo motor End, the other end of the shaft reach the inner cavity of right material cavity and vertically connect in the middle part of the side wall of first pulley, two biographies Defeated roller is connected by transmission belt, and the both ends of transmission belt penetrate through the opposite side wall of left spraying chamber and reach the outer of left spraying chamber Chamber, the lateral wall upper end of the transmission belt, which contradicts, PHC plate ontology, and the top of PHC plate ontology is equipped with spray equipment, described The other end of spray equipment reaches the inner cavity of right material cavity and is fixedly connected with the inner roof wall of right material cavity, the spray equipment Sidewall upper penetrates through the output end for being connected with unidirectional liquid feed valve, and the input terminal perforation of unidirectional liquid feed valve is connected with the upper of inlet tube The lower end at end, the inlet tube runs through the roof of PU hopper and reaches the inner cavity of PU hopper, and the lower end of PU hopper and right material The inner bottom wall of chamber is fixedly connected；

The spray equipment includes spraying box, piston, screw shell, screw rod, first bevel gear, second bevel gear, second Belt wheel, outlet tube, spring spool, rubber bead, spray pipe and nozzle, the inner roof wall of the upper end of the spraying box and right material cavity It is fixedly connected, and the output end of the side side wall of spraying box and unidirectional liquid feed valve is penetrated through and connected, the inner sidewall of the spraying box is sliding It is dynamic to be connected with piston, and the upper end of screw shell is vertically connected in the middle part of the lower end of piston, and the inner sidewall screw thread of screw shell It is connected with screw rod, the lower end of the screw rod reaches the inner cavity of right material cavity through the bottom wall of spraying box and turns with the upper end of PU hopper Dynamic connection, and screw rod is located at fixing sleeve on one section of right material cavity inner cavity and is connected to first bevel gear, the first bevel gear engagement Second bevel gear, and the second belt wheel has been fixedly and coaxially connected on the side wall of second bevel gear, second belt wheel and right material cavity Inner sidewall rotation connection, and the second belt wheel is connect by driving belt with first pulley, the spraying box close to baffle one One end of side sidewall upper perforation connection outlet tube, and the other end of outlet tube reaches the inner cavity of left spraying chamber and penetrates through connection bullet The upper end of spring sleeve contradicts the upper end for having rubber bead on the inner roof wall of the spring spool, and the lower end of rubber bead passes through The connection of the inner bottom wall of spring and spring spool, the upper center of the lower end perforation connection spray pipe of the spring spool, and spray The both ends of the pipe inner sidewall opposite with left spraying chamber is vertical to be connected, and the side wall lower ends inclination perforation of the spray pipe is connected with multiple Nozzle.

The placing groove to match with PHC plate ontology is offered on the lateral wall of the transmission belt.

The quantity of the nozzle, which is more than, is equal to four, and multiple nozzles equidistantly arrange.

The tilt angle of the nozzle and spray pipe is 50 degree to 70 degree.

Fixing sleeve is connected to rubber seal on the side wall of the piston.

The cross-sectional area of the rubber bead is less than the lumenal cross-section product of spring spool.

The diameter of the first bevel gear is less than the diameter of second bevel gear.

(3) beneficial effect

The utility model embodiment provides a kind of PU material automatic spray apparatus for the production of PHC plate.Have following The utility model has the advantages that

1, after staff debugs, by the composite structure between transmission belt and spray equipment, effective control is passed Coordination between defeated speed and PU material spraying, the two combine, and uniformly carry out spraying PU material to PHC plate ontology, effectively Improve production efficiency.

2, multiple nozzles on spray pipe effectively carry out even application to PHC plate ontology, reduce dead angle, when shortening spraying Between, improve spray efficiency.

3, it by the control of servo motor, realizes the Direct/Reverse transmission of transmission belt, PHC plate ontology can not only be driven certainly Dynamic spraying, and the PHC plate ontology for spraying PU material completion can be transmitted out easily to the inner cavity of spraying outer container, complete spraying behaviour Make.

4, the composite structure between spray equipment and transmission belt is right when transmission belt is transmitted into PHC plate ontology PHC plate ontology carries out spraying PU material, and after spraying, servo motor is rotated backward, and the PHC plate ontology that spraying terminates reversely is passed Output is gone, meanwhile, spraying box, by the PU material sucking spraying box in PU hopper inner cavity, is recycled by unidirectional liquid feed valve and inlet tube Back and forth, it is automatically brought into operation, reduces spraying personnel burden.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 the utility model structure diagram；

Fig. 2 A-A structural schematic diagram；

Fig. 3 spray equipment structural schematic diagram.

In figure: spraying outer container 1, servo motor 2, baffle 3, delivery roll 4, first pulley 5, transmission belt 6, PHC plate ontology 7, spray equipment 8, spraying box 81, piston 82, screw shell 83, screw rod 84, first bevel gear 85, second bevel gear 86, second Belt wheel 87, outlet tube 88, spring spool 89, rubber bead 810, spray pipe 811, nozzle 812, unidirectional liquid feed valve 9, inlet tube 10, PU hopper 11.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

A kind of PU material automatic spray apparatus for the production of PHC plate, including spraying outer container 1 and servo motor 2, spraying are outer The lower end of case 1 is vertically connected with four support legs, and is fixed by the bracket on the side side wall of spraying outer container 1 and is connected with servo electricity Machine 2, servo motor 2 are positive reverse motor, baffle 3 are vertically connected on the inner sidewall of the spraying outer container 1, and baffle 3 will spray The inner cavity for applying outer container 1 is divided into left spraying chamber and right material cavity, is symmetrically rotatably connected to two on the opposite side wall of the left spraying chamber The both ends of a delivery roll 4 are fixed positioned at the middle part of the delivery roll 4 of front side and are plugged with shaft, and one end of shaft reaches spray It applies the exocoel of outer container 1 and connects the output end of servo motor 2, the other end of the shaft reaches the inner cavity of right material cavity and vertical In the middle part of the side wall for connecting first pulley 5, two delivery rolls 4 are connected by transmission belt 6, and the both ends of transmission belt 6 are passed through Lead to the opposite side wall of left spraying chamber and reach the exocoel of left spraying chamber, the lateral wall upper end of the transmission belt 6, which contradicts, PHC plate Ontology 7, and the top of PHC plate ontology 7 is equipped with spray equipment 8, the other end of the spray equipment 8 reaches the inner cavity of right material cavity And be fixedly connected with the inner roof wall of right material cavity, the sidewall upper perforation of the spray equipment 8 is connected with the defeated of unidirectional liquid feed valve 9 Outlet, and the input terminal perforation of unidirectional liquid feed valve 9 is connected with the upper end of inlet tube 10, the lower end of the inlet tube 10 is expected through PU The roof of case 11 and the inner cavity for reaching PU hopper 11, and the lower end of PU hopper 11 is fixedly connected with the inner bottom wall of right material cavity, PU PU spray paint is contained in the inner cavity of hopper 11, and PU material is liquid；

The spray equipment 8 includes spraying box 81, piston 82, screw shell 83, screw rod 84, first bevel gear 85, second Bevel gear 86, the second belt wheel 87, outlet tube 88, spring spool 89, rubber bead 810, spray pipe 811 and nozzle 812, the spray The upper end for applying case 81 is fixedly connected with the inner roof wall of right material cavity, and the side side wall of spraying box 81 and unidirectional liquid feed valve 9 is defeated Outlet perforation connection, the inner sidewall of the spraying box 81 slidably connect piston 82, and vertical connection in the middle part of the lower end of piston 82 There is the upper end of screw shell 83, and the inner sidewall of screw shell 83 is threaded with screw rod 84, the lower end of the screw rod 84 is run through The bottom wall of spraying box 81 reaches the inner cavity of right material cavity and is rotatablely connected with the upper end of PU hopper 11, and screw rod 84 is located at right material The upper fixing sleeve of one section of intracavitary chamber is connected to first bevel gear 85, and the first bevel gear 85 engages second bevel gear 86, and second The second belt wheel 87 is fixedly and coaxially connected on the side wall of bevel gear 86, the inner sidewall of second belt wheel 87 and right material cavity rotates Connection, and the second belt wheel 87 is connect by driving belt with first pulley 5, side side wall of the spraying box 81 close to baffle 3 One end of upper end perforation connection outlet tube 88, and the other end of outlet tube 88 reaches the inner cavity of left spraying chamber and penetrates through connecting spring The upper end of sleeve 89, contradicts the upper end for having rubber bead 810 on the inner roof wall of the spring spool 89, and rubber bead 810 Lower end is connect by spring with the inner bottom wall of spring spool 89, the lower end perforation connection spray pipe 811 of the spring spool 89 Upper center, and the both ends of spray pipe 811 with it is left spraying chamber it is opposite inner sidewall it is vertical connect, the side wall of the spray pipe 811 Lower end inclination perforation is connected with multiple nozzles 812.

The servo motor 2 collectively constitutes a series circuit by conducting wire with external power supply.

The placing groove to match with PHC plate ontology 7 is offered on the lateral wall of the transmission belt 6, effective auxiliary limit Position and fixed PHC plate ontology 7, prevent PHC plate ontology 7 from skew occur, spraying are caused dead angle occur.

The quantity of the nozzle 812, which is more than, is equal to four, and multiple nozzles 812 equidistantly arrange, effectively to PHC plate sheet Body 7 carries out even application, reduces dead angle, shortens spray time, improves spray efficiency.

The tilt angle of the nozzle 812 and spray pipe 811 is 50 degree to 70 degree, using angle, increases spray area, subtracts Few spray time, improves spray efficiency.

Fixing sleeve is connected to rubber seal on the side wall of the piston 82, sealing effect more preferably, it is effective promote PU material from It is sprayed in nozzle 812.

The cross-sectional area of the rubber bead 810 is less than the lumenal cross-section product of spring spool 89, guarantees that PU material can be from Pass through in the inner cavity of spring spool 89, prevents leakage.

The diameter of the first bevel gear 85 is less than the diameter of second bevel gear 86, effectively reduces the rotation of screw rod 84, Coordination between the transmission speed and PU material spraying of cooperation control transmission belt 6.

As shown in Figure 1-3, a kind of PU material automatic spray apparatus working principle for the production of PHC plate is as follows: through working After personnel's debugging, external power supply is connected, servo motor 2 starts, and drives the delivery roll 4 for being located at front end to rotate, drives transmission belt 6 PHC plate ontology 7 is conveyed into the inner cavity of spraying outer container 1；

Servo motor 2 starts, and drives shaft rotation, first pulley 5 is driven to rotate, first pulley 5 passes through driving belt band Dynamic second belt wheel 87 rotation, the second belt wheel 87 drive coaxial second bevel gear 86 to rotate, first cone of the engagement of second bevel gear 86 Gear 85 drives screw rod 84 to rotate, and spring spool 89 pushes piston 82 and move upwards, squeeze the PU in 81 inner cavity of spraying box expect into Enter outlet tube 88 and entered in spray pipe 811 by the spring spool 89 of perforation, under the extruding of feed liquor, PU material passes through multiple sprays Mouth 812 sprays PHC plate ontology 7；

After spraying, servo motor 2 starts, and shaft is driven to rotate backward, and 7 reverse transfer of PHC plate ontology is driven to go out to spray The inner cavity of outer container 1 is applied, meanwhile, second bevel gear 86 engages first bevel gear 85 and screw rod 84 is driven to rotate backward, and piston 82 is spraying It applies slide downward in the inner cavity of case 81 and generates suction force, by unidirectional liquid feed valve 9, inlet tube 10 by the PU in 11 inner cavity of PU hopper Material is drawn into the inner cavity of spraying box 81, is moved in circles, is effectively improved the degree of automation.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution It encloses.

Claims (7)

1. a kind of PU for the production of PHC plate expects automatic spray apparatus, including spraying outer container and servo motor, outer container is sprayed Lower end is vertically connected with four support legs, and is fixed by the bracket on the side side wall of spraying outer container and is connected with servo motor, It is characterized in that: being vertically connected with baffle on the inner sidewall of the spraying outer container, and the inner cavity for spraying outer container is divided into left spray by baffle Chamber and right material cavity are applied, the both ends there are two delivery roll are symmetrically rotatablely connected on the opposite side wall of the left spraying chamber, before being located at The middle part of the delivery roll of side is fixed to be plugged with shaft, and one end of shaft reaches the exocoel of spraying outer container and connects servo electricity The output end of machine, the other end of the shaft reach the inner cavity of right material cavity and vertically connect in the middle part of the side wall of first pulley, two A delivery roll is connected by transmission belt, and the both ends of transmission belt penetrate through the left spraying opposite side wall of chamber and reach left spray The exocoel of chamber is applied, the lateral wall upper end of the transmission belt, which contradicts, PHC plate ontology, and the top of PHC plate ontology is equipped with spraying Device, the other end of the spray equipment reaches the inner cavity of right material cavity and is fixedly connected with the inner roof wall of right material cavity, described The sidewall upper perforation of spray equipment is connected with the output end of unidirectional liquid feed valve, and the input terminal perforation of unidirectional liquid feed valve is connected with The lower end of the upper end of inlet tube, the inlet tube runs through the roof of PU hopper and reaches the inner cavity of PU hopper, and under PU hopper End is fixedly connected with the inner bottom wall of right material cavity；

The spray equipment include spraying box, piston, screw shell, screw rod, first bevel gear, second bevel gear, the second belt wheel, Outlet tube, spring spool, rubber bead, spray pipe and nozzle, the upper end of the spraying box and the inner roof wall of right material cavity are fixed Connection, and the output end of the side side wall of spraying box and unidirectional liquid feed valve is penetrated through and is connected, the inner sidewall of the spraying box, which slides, to be connected It is connected to piston, and is vertically connected with the upper end of screw shell in the middle part of the lower end of piston, and the inner sidewall of screw shell is threadedly coupled There is screw rod, the lower end of the screw rod reaches the inner cavity of right material cavity and rotate with the upper end of PU hopper through the bottom wall of spraying box to be connected It connects, and screw rod is located at fixing sleeve on one section of right material cavity inner cavity and is connected to first bevel gear, the first bevel gear engagement second Bevel gear, and the second belt wheel has been fixedly and coaxially connected on the side wall of second bevel gear, second belt wheel is interior with right material cavity Side wall rotation connection, and the second belt wheel is connect by driving belt with first pulley, the spraying box is close to the side side of baffle One end of wall upper end perforation connection outlet tube, and the other end of outlet tube reaches the inner cavity of left spraying chamber and penetrates through connecting spring set The upper end of cylinder contradicts the upper end for having rubber bead on the inner roof wall of the spring spool, and the lower end of rubber bead passes through spring It is connect with the inner bottom wall of spring spool, the upper center of the lower end perforation connection spray pipe of the spring spool, and spray pipe The both ends inner sidewall opposite with left spraying chamber is vertical to be connected, and the side wall lower ends inclination perforation of the spray pipe is connected with multiple sprays Mouth.

2. a kind of PU for the production of PHC plate as described in claim 1 expects automatic spray apparatus, it is characterised in that: described The placing groove to match with PHC plate ontology is offered on the lateral wall of transmission belt.

3. a kind of PU for the production of PHC plate as described in claim 1 expects automatic spray apparatus, it is characterised in that: described The quantity of nozzle, which is more than, is equal to four, and multiple nozzles equidistantly arrange.

4. a kind of PU for the production of PHC plate as described in claim 1 expects automatic spray apparatus, it is characterised in that: described The tilt angle of nozzle and spray pipe is 50 degree to 70 degree.

5. a kind of PU for the production of PHC plate as described in claim 1 expects automatic spray apparatus, it is characterised in that: described Fixing sleeve is connected to rubber seal on the side wall of piston.

6. a kind of PU for the production of PHC plate as described in claim 1 expects automatic spray apparatus, it is characterised in that: described The cross-sectional area of rubber bead is less than the lumenal cross-section product of spring spool.

7. a kind of PU for the production of PHC plate as described in claim 1 expects automatic spray apparatus, it is characterised in that: described The diameter of first bevel gear is less than the diameter of second bevel gear.