CN206085587U

CN206085587U - Rubber continuous type preforming machine and rubber blank production line

Info

Publication number: CN206085587U
Application number: CN201621120899.1U
Authority: CN
Inventors: 叶信者
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-10-14
Filing date: 2016-10-14
Publication date: 2017-04-12
Anticipated expiration: 2026-10-14

Abstract

The utility model provides a rubber continuous type preforming machine, its screw extruder constructs has screw rod and barrel, the die head that has a die orifice is established at the screw rod storehouse of barrel internal rotation, the front end of barrel to the screw rod, and the die head has die cavity and screw rod storehouse, goes out the die orifice intercommunication, establishes feed inlet and screw rod storehouse intercommunication on the barrel, and the screw rod rotation is with screw rod storehouse cooperation extrusion materials and with the material toward going out a die orifice propelling movement. Rubber blank production line, banbury mixer banburying material is extruded in shifting this preforming machine. The banburying is carried out with raw and other materials to rubber blank production technology, and the material adopts the screw rod to extrude the mode to extrude after the banburying, and the blank after extruding cuts, and the blank after the cutting cools off. The preforming machine is extruded the mode through the screw rod and is extruded in succession, improves production efficiency, need not to carry on vacuum pumping operation, and the rotatory extrusion forward of screw rod can realize extruding, get rid of the air, get rid of the purpose of bubble and abundant plastify, and the operation is simple more, convenient, and the blowing is convenient, can simplify production line and production technology, enhances the competitiveness.

Description

A kind of continuous rubber preforming machine and rubber blank production line

Technical field

The utility model is related to a kind of continuous rubber preforming machine and rubber blank production line.

Background technology

It is by the various performance requirements of rubber, various robber materialses, inserts, plasticiser etc. is various during production rubber Material is kneaded, to reach the various performance requirements of rubber use occasion.Mixing is by rubber or rubber of plasticating with rubber mixing machine It is most important production technology during rubber processing with the technique that compounding ingredient is smelt elastomeric compound.

Internal rubber mixer is usually in mixing process（Abbreviation banbury）Preliminary banburying is carried out, is then open refining glue Machine（Abbreviation mill）Mill reaches fully plasticizing.It is each by raw material, inserts, plasticiser etc. in fields such as rubber, reclaimed rubbers Kind material is mixed into banbury carries out banburying mixing, and this process is the process of preliminary plasticizing, reaches pre- preferable Material Physics Performance, but also do not reach fully plasticizing.Various inserts, plasticiser etc. participate in banburying mixing with powdery form, due to banburying The principle of the banburying bin of machine, is pulverulence cannot to be stirred well to into the rubber surface after uniform state, or even banburying also Remain substantial amounts of powdered object.Therefore, the secondary plasticizing for carrying out often through mill mill reaches the ideal of abundant plasticizing State, the mill principle of mill carries out rolling extrusion generally by a pair of rollers to material, can be by rubber table after banburying The excessive powder shape object in face is mixed with rubber.

Through banburying and mill, after reaching fully plasticizing（Rubber）Material enters extrusion molding in preforming machine, obtains Blank（Such as glue embryo）.Rubber preforming machine is a kind of high-accuracy high-efficiency rate rubber compound blank equipment, can produce various middle and high hard Degree, the compound blank of various shapes, it is a kind of machine of plunger-type structure that rubber is preforming, and by way of hydraulic pressure is extruded material will be put into In cylinder（Rubber）Material is extruded from die head, obtains required blank shape, is cut by cutting knife after the extrusion, by hydraulic pressure Extrusion and cutting knife circumgyration incision coordinate, and make the blank for cutting out reach required weight.Rubber preforming machine is in forming process Middle needs vacuumize process（Exclude the gas being mingled with air and material inside machine barrel, head）, it is to avoid gas in extrusion The generation of bubble affects extrusion yield rate.Due to using hydraulic pressure extrusion way, it is impossible to carry out continous way extrusion, it is required for expecting every time Cylinder opening is put into material and turns off barrel, then vacuumizes, and then carries out squeeze；Need to add again after completing once Material, vacuumizes again, again hydraulic pressure extrusion, and clearance-type work, limit production efficiency is time-consuming, laborious.

Expect that the technological process of blank is from former material, banbury banburying → mill mill → preforming machine extrusion molding Technological process, three steps are separate, and hand labor intensity is at a relatively high, and the machine rate of capacity utilization is low, and power consumption is big.

Utility model content

In view of technical problem present in background technology, the technical problem that the utility model is solved aims to provide a kind of logical Crossing Screw Extrusion mode carries out the continuous rubber preforming machine of continuous extrusion, is given birth to using the rubber blank of the preforming machine Producing line.

To solve above-mentioned technical problem, the utility model is adopted the following technical scheme that：A kind of continuous rubber is preforming Machine, including organic frame, frame is provided with Screw Extrusion mechanism, it is characterised in that：The Screw Extrusion mechanism include screw rod and Machine barrel, is provided with screw rod storehouse in machine barrel, screw rod matching is arranged in screw rod storehouse, and screw rod is driven by the first transmission device and rotated, The front end of machine barrel is provided with die head, and die head is provided with the die orifice that goes out for material extrusion, and die head has a die cavity, die cavity respectively with screw rod Storehouse, go out die orifice and be connected, machine barrel is provided with charging aperture, and charging aperture is connected with screw rod storehouse, and screw rod rotation coordinates extruding with screw rod storehouse Material simultaneously pushes material toward the direction for going out die orifice.

The exit for going out die orifice is furnished with cutter mechanism for blank, and cutter mechanism includes cutting knife, and cutting knife is passed by second Dynamic device is driven from the blank cut-out for going out extrusion in die orifice, and the first transmission device is engaged with the second transmission device.

Machine barrel is provided with feed hopper, and feed hopper is connected with charging aperture, and forced feed dress is provided between feed hopper and screw rod storehouse Put.

Forced-feeding device includes the stirring rod of feeding in oriented screw rod storehouse, and stirring rod is driven by the 3rd transmission device and carried out Rotate.

Also include temperature control equipment, the first cavity is provided with the axle center of screw rod, be provided with second at the axle center of stirring rod empty Chamber, is provided with the 3rd cavity in die head, the 3rd cavity is arranged on the periphery of die cavity, and machine barrel is provided with the 4th cavity, and the 4th cavity sets The periphery in screw rod storehouse is put, the 5th cavity is provided between feed hopper and screw rod storehouse, the 5th cavity is arranged on the periphery of charging aperture, temperature Degree control device is connected respectively with the first cavity, the second cavity, the 3rd cavity, the 4th cavity and the 5th cavity.

Die head is divided into front mould and rear mold, and rear mold is connected to machine barrel front end, goes out die orifice and is arranged on front mould, front mould and rear mold phase It is hinged, front mould forms die cavity with rear mold matched moulds, die head is provided with for the locking device of front mould and the locking of rear mold matched moulds.

Rubber blank production line, it is characterised in that：Including banbury and described continuous rubber preforming machine, banbury Banburying material out is transferred in continuous rubber preforming machine and extrudes.Banbury passes through thing with continuous rubber preforming machine Material conveying device is online.

The beneficial effects of the utility model are that continuous rubber preforming machine is continuously squeezed by Screw Extrusion mode Go out, improve production efficiency, without the need for carrying out vacuum pumping, forward extruding can be realized extruding, exclude air, removes for screw rod rotation Bubble and the fully purpose of plasticizing, it is simpler, convenient to operate, and blowing is convenient.Rubber blank production line is opened without the need for arranging Mill, reduces production cost, and Simplified flowsheet, operation, improve production efficiency enhances the competitiveness.Rubber blank production technology is by material Material is after banburying, then is extruded by Screw Extrusion mode, and process is simple is easy to operate, needs not move through mill and is fully moulded Change, the process of Screw Extrusion can complete the purpose that secondary plasticizing plays abundant plasticizing.Therefore the utility model and prior art Compare with substantive distinguishing features and progress.

Description of the drawings

The relevant details and operation principle of embodiment of the present utility model and embodiment are described below in conjunction with the accompanying drawings.

Fig. 1 is structural representation of the present utility model.

Specific embodiment

Referring to accompanying drawing, a kind of continuous rubber preforming machine in present embodiment, including organic frame, frame is provided with screw rod Extrusion mechanism.Screw Extrusion mechanism includes and screw rod storehouse is provided with screw rod 2 and machine barrel 3, machine barrel 3, and the matching of screw rod 2 is arranged on screw rod In storehouse, screw rod 2 is driven by the first transmission device and is rotated, therefore screw rod matching is rotated in screw rod storehouse, rotated, this reality Apply the first transmission device in example and include the first motor, the first motor is connected with screw rod 2, the first motor can also be configured and subtracted Speed variator（Such as）It is connected with screw drive；The axis horizontal of screw rod 2 is arranged in the present embodiment；The front end of machine barrel 3 is provided with die head, mould 4 are provided with out die orifice, and depanning confession material extrusion goes out die orifice as extrusion；Die head 4 have die cavity, die cavity respectively with spiral shell Bar storehouse, go out die orifice and be connected, machine barrel is provided with charging aperture, and charging aperture is connected with screw rod storehouse, and screw rod rotation coordinates with screw rod storehouse squeezes Pressure material simultaneously pushes material toward the direction for going out die orifice.The closer to die head, screw rod 2 coordinates pressing materials more closely knit with screw rod storehouse. Material enters screw rod storehouse from charging aperture, with screw rod 2 of the screw rod storehouse with rotation forward（Go out the direction of die orifice）Push, while thing Material is mutually extruded by screw rod 2 with screw rod storehouse, and last material is extruded from going out die orifice after the die cavity of die head, i.e. Screw Extrusion.Can So that constantly material put in charging aperture, by the extrusion of screw rod 2 realize it is continuous, do not shut down production, improve production efficiency, without the need for Carry out vacuum pumping, screw rod 2 rotary squeezing and can backward discharge screw rod during push forward in the screw rod storehouse of matching Air, the bubble removed in material in storehouse, the closer to die head exhaust, goes bubble more thorough, and abundant by Screw Extrusion Stirring, pressing materials make material fully plastify；Operation is simpler, convenient, and blowing is convenient.

Preferably, will go out die orifice being arranged on mouth mould, mouth mould is arranged on die head.Can select by Production requirement Different size or shape（Such as round mouth, strip mouth）The mouth mould for going out die orifice, size or it is variform go out die orifice extrusion The size or shape of material is also by difference.T-slot is set on die head 4, and mouth mould is T-shaped bar, T-shaped bar and T-slot close-fitting, T-shaped Groove is connected with die cavity.T-slot can be vertically arranged, and mouth mould can from top to bottom be matched and is inserted in T-slot, in frame Oil cylinder 18 is set, and oil cylinder is located at the lower section of die head 4, and oil cylinder is used to eject mouth mould from T-slot, and oil cylinder 18 is arranged on swing On frame, swinging mounting rotates setting in frame, is installed for other equipment to concede space by swinging mounting rotational displacement, Such as can install for the equipment for conveying extruded material（Such as conveyer belt apparatus 17）.

Preferably, being front mould 41 and rear mold 42 by 4 points of die head, rear mold 42 is connected to the front end of machine barrel 3, goes out die orifice and be arranged on On front mould 41, front mould 41 and rear mold 42 can separate and merge, and with this matched moulds and die sinking, front mould 41 and the matched moulds of rear mold 42 are reached Form die cavity.In the present embodiment front mould and rear mold can to separate and merge by the way of front mould 41 and rear mold 42 are hinged, Die head is provided with locking device, and locking device is connected for front mould 41 with being locked after the matched moulds of rear mold 42.Die head is arranged to The front mould and rear mold that molded and can be merged matched moulds can be opened, is molded during shut-down to clear up die cavity, it is to avoid one section Time shut-down causes material cooled and solidified to be blocked in die cavity, and die cavity is formed after matched moulds（Such as funnel-form die cavity）It is logical for material extrusion Cross.Hinged place is arranged on the lower end of front mould and rear mold, and locking device is arranged on the upper end of front mould and rear mold, and locking device includes lock Tight bolt, locking nut and bolt indentation.Further, go out die orifice to be arranged on front mould by mouth mould, before T-slot is arranged on On mould.Further, mounting bracket is fixedly installed（Can be fixedly installed in frame or rear mold）, mounting bracket is provided with swing Seat, arranges oil cylinder 9 in swing seat, oil cylinder 9 is connected with front mould 41, and by oil cylinder front mould and rear mold matched moulds and die sinking are driven, It is convenient and practical.

The exit for going out die orifice is furnished with cutter mechanism, and cutter mechanism is used for blank, by the material of extrusion（That is blank）On demand Ask and cut off.Cutter mechanism includes cutting knife 5, and cutting knife 5 is driven from the blank for going out extrusion in die orifice by the second transmission device Cut-out.Cutting knife rotary setting on cutoff knife rack, such as be arranged on axle bed 13 by rotary shaft, and cutting knife 5 is by the second transmission device Drive is rotated, and cutting knife direction of rotation is vertical with material extrusion direction in the present embodiment.First transmission device and the second transmission Device is engaged, and the first transmission device controls screw rod by material from the amount for going out extrusion in die orifice, the second transmission device control cutting knife Cut-off velocity（Or frequency）, such as 1 kilogram of material is often extruded, cutting knife cuts off 3 times, and cutting knife rotation 3 in the present embodiment is enclosed.Second transmission Device includes the second motor 10, and the second motor is connected with cutting knife transmission of rotary axis, and cutting knife rotary shaft is rotated on cutoff knife rack and set Put.The signal of screw rod rotation and cutting knife rotation is received by arranging encoder, and signal is fed back to into the first transmission device Coordinate with the second transmission device, to carry out the cooperation and adjustment of screw rod material extrusion capacity and cutting knife cut-out.

Preferably, arranging feed hopper 6 on machine barrel 3, feed hopper 6 is connected with charging aperture.Further optimization, can enter Forced-feeding device is set between hopper 6 and screw rod storehouse.So that material is put in feed hopper, will be fed by forced-feeding device Material in bucket send into screw rod storehouse.Material material after banbury tentatively stirs plasticizing is presented block, toughness by force, arranges Forced-feeding device can by be directly over banbury tentatively stir plasticizing after material material be forcibly fed in screw rod storehouse, nothing Mill need to additionally be arranged carries out mill.The present embodiment middle charging aperture is opened up upward, and feed hopper is arranged on the top of machine barrel.This reality Apply forced-feeding device in mode and include stirring rod 7, stirring rod 7 send the material in feed hopper into screw rod storehouse, stirring rod By the 3rd transmission device（Such as motor and gear driving pair）Drive is rotated.Stirring rod 7 is arranged a pair, is had on stirring rod 7 Stir material page or stir material tooth, stirring rod stirs material page or stirs material tooth when rotating will carry out pressure feeding, can send the material after banburying Enter in screw rod storehouse.Stirring rod coordinates with screw rod, i.e., stirring rod 7 is sent into the material for coming and is just accepted forward by the screw rod 2 in screw rod storehouse Transfer.

Further, continuous rubber preforming machine also includes temperature control equipment.Temperature control equipment be used for control screw rod, Stirring rod, die head, screw rod storehouse, the temperature of charging aperture.The first cavity is provided with the axle center of screw rod 2.It is provided with the axle center of stirring rod 7 Second cavity.The 3rd cavity is provided with die head 4, the 3rd cavity is arranged on the periphery of die cavity.Machine barrel 3 is provided with the 4th cavity, the Four cavitys are arranged on the periphery in screw rod storehouse.The 5th cavity is provided between feed hopper 6 and screw rod storehouse, the 5th cavity is arranged on charging Mouth periphery.Temperature control equipment is connected respectively with the first cavity, the second cavity, the 3rd cavity, the 4th cavity and the 5th cavity, point The temperature in each cavity is not controlled, is corresponded to this and is controlled screw rod, stirring rod, die cavity, screw rod storehouse periphery, the temperature of charging aperture periphery Degree.Temperature control equipment includes temperature adjuster in the present embodiment（Such as purpose digital temperature controller or die heater）, pipeline, temperature adjust Section machine is connected respectively by pipeline with each cavity, and liquid is led in pipeline and cavity and temperature adjuster（Such as water）It is circulated stream It is logical, trip temperature transmission is entered by liquid, temperature adjuster carries out temperature feedback and temperature adjustment to liquid（Keep suitable work Make temperature）, such as steady temperature is kept, the temperature of each cavity individually can be independently adjusted control.Forcing to feed In material, the transfer of screw rod rotary squeezing, die head extrusion, because temperature arrising caused by friction or temperature anomaly change affect material properties and two Secondary plasticizing, is connected with each cavity by temperature control equipment and controls the temperature of each cavity to avoid because of the shadow of temperature anomaly change Ring, such as each cavity temperature is controlled by temperature control equipment and keep constant.

Rubber blank production line, the i.e. preforming production line of rubber, it includes banbury（Repeat no more for prior art）With Described continuous rubber preforming machine.Material is transferred in continuous rubber preforming machine and extrudes after banbury banburying. Material transfer can manually be carried out, it is also possible to carry out material transfer, i.e. banbury with rubber company by arranging device for transporting objects Continuous formula preforming machine is carried out online by device for transporting objects.Device for transporting objects has the conveyer belt that drive drives, conveying Band is transferred to the material in banbury out in the charging aperture of continuous rubber preforming machine or hopper.

Raw material first, are carried out banburying by rubber blank production technology, and banburying can be carried out using banbury, banburying with And banbury is repeated no more for prior art.Secondly, the material after banburying is extruded using Screw Extrusion mode, i.e. screw rod rotation Turn to coordinate pressing materials and material is pushed into Jing toward the direction for going out die orifice with screw rod storehouse to go out die orifice extrusion blank, Screw Extrusion mode Extrusion is carried out using described continuous rubber preforming machine.When material after banburying is entered in screw rod storehouse, fed using pressure Material device carries out forced feed, can be by banburying and the perfect linking of Screw Extrusion mode.Then, the blank after extrusion is cut Cut, cut by Production requirement, cutting can adopt the application in cutter mechanism, such as often extrude a certain amount carry out it is several Secondary cutting.Then, the blank after cutting is cooled down, and can arrange in conveyer belt feeding sump carries out water cooling.

Claims

1. a kind of continuous rubber preforming machine, including organic frame, frame is provided with Screw Extrusion mechanism, it is characterised in that：Institute State Screw Extrusion mechanism and include screw rod（2）And machine barrel（3）, machine barrel（3）Inside it is provided with screw rod storehouse, screw rod（2）Matching is arranged on spiral shell In bar storehouse, screw rod（2）Driven by the first transmission device and rotated, machine barrel（3）Front end be provided with die head（4）, die head（4）On set Have and go out die orifice for material extrusion, die head has a die cavity, die cavity respectively with screw rod storehouse, go out die orifice and be connected, machine barrel be provided with into Material mouth, charging aperture is connected with screw rod storehouse, and screw rod to rotate and coordinate pressing materials with screw rod storehouse and push away material toward the direction for going out die orifice Send.

2. a kind of continuous rubber preforming machine as claimed in claim 1, it is characterised in that：Go out the exit of die orifice with useful In the cutter mechanism of blank, cutter mechanism includes cutting knife（5）, cutting knife by the second transmission device drive will from go out in die orifice extrude Blank cut-out, the first transmission device is engaged with the second transmission device.

3. a kind of continuous rubber preforming machine as claimed in claim 1, it is characterised in that：Machine barrel（3）It is provided with feed hopper （6）, feed hopper is connected with charging aperture, and between feed hopper and screw rod storehouse forced-feeding device is provided with.

4. a kind of continuous rubber preforming machine as claimed in claim 3, it is characterised in that：Forced-feeding device includes oriented The stirring rod of feeding in screw rod storehouse（7）, stirring rod（7）Driven by the 3rd transmission device and rotated.

5. a kind of continuous rubber preforming machine as claimed in claim 4, it is characterised in that：Also include temperature control equipment, The first cavity is provided with the axle center of screw rod, the second cavity is provided with the axle center of stirring rod, the 3rd cavity is provided with die head, the 3rd is empty Chamber is arranged on the periphery of die cavity, and machine barrel is provided with the 4th cavity, and the 4th cavity is arranged on the periphery in screw rod storehouse, feed hopper and screw rod Be provided with the 5th cavity between storehouse, the 5th cavity is arranged on the periphery of charging aperture, temperature control equipment respectively with the first cavity, second The connection of cavity, the 3rd cavity, the 4th cavity and the 5th cavity.

6. a kind of continuous rubber preforming machine as claimed in claim 1, it is characterised in that：Die head is divided into front mould（41）With it is rear Mould（42）, rear mold（42）It is connected to machine barrel（3）Front end, goes out die orifice and is arranged on front mould（41）On, front mould（41）With rear mold（42）Phase It is hinged, front mould forms die cavity with rear mold matched moulds, die head is provided with for the locking device of front mould and the locking of rear mold matched moulds.

7. rubber blank production line, it is characterised in that：Including described in any claim in banbury and claim 1 to 6 Continuous rubber preforming machine, banbury banburying material out is transferred in continuous rubber preforming machine and extrudes.

8. rubber blank production line as claimed in claim 7, it is characterised in that：Banbury leads to continuous rubber preforming machine Cross device for transporting objects online.