CN1803439A

CN1803439A - Raise-and-draw device for eliminating hump for horizontal continuous foaming machine

Info

Publication number: CN1803439A
Application number: CN 200610012344
Authority: CN
Inventors: 范春起; 于冬梅; 王宝文; 王佳
Original assignee: Hebei University of Science and Technology
Current assignee: Hebei University of Science and Technology
Priority date: 2006-01-19
Filing date: 2006-01-19
Publication date: 2006-07-19
Anticipated expiration: 2026-01-19
Also published as: CN100366413C

Abstract

The invention discloses a sash arc-extinguishing device of level continual foaming machine in the plastic foaming producing construction technique domain, which comprises the following parts: symmetrical frames, chain guide rail on the frame, to-and-fro chain wheel and to-and-fro projected wheel disk on the front or back of chain guide rail, clamp among chains, wherein the clamp corresponds to the track around the to-and-fro projected wheel disk, which is consistent with foaming plastic upper surface curve; the speed of chain guide rail and clamp for sash film is the same as the mixing material pavement speed; when the clamp enters or leaves the chain guide rail through the to-and-fro wheel disk, it clamps and looses the sash file; the speed component of upward sash film along the chain guide rail is the same as the upward swelling component of foaming plastic, which eliminates the arcing phenomenon.

Description

Raise-and-draw device for eliminating hump for horizontal continuous foaming machine

Technical field

The present invention relates to horizontal continuous foam maker servicing unit, belong to plastic foam production facility technical field.

The production of plasticized polyurethane strand foam (being commonly called as sponge) is that major ingredient and some chemical raw materials mix the generation chemical reaction with polyurethane both at home and abroad at present, the liquid raw material that mixes is by the material-dividing groove tiling and at the bottom of continuously flowing into conveying in the horizontal continuous foam maker on the carrier bar and do the side chain plate that is synchronized with the movement with end carrier bar and follow material to move ahead jointly.Chemical reaction is exothermic reaction, has gas to produce in the reaction product, and polyurethane is thermosetting plastics, so along with the conveying of material, the heat that chemical reaction produces solidifies material itself, the gas that produces is expanded to sponge with material, and this at home and abroad has been ripe technology.But, along with upwards expanding gradually and curing of material, the frictional force of side chain plate and material makes plastic foam base product upper surface tangible arch occur, this just makes the yield rate of sponge product reduce greatly, for this reason, must seek to eliminate the method for the surperficial arch of plastic foam base product, and development provides relevant apparatus.

Summary of the invention

Technical problem to be solved by this invention provides a kind of raise-and-draw device for eliminating hump for horizontal continuous foaming machine, eliminates plastic foam upper surface arching phenomenon by this device.

The alleged problem of the present invention realizes with following technical scheme:

A kind of raise-and-draw device for eliminating hump for horizontal continuous foaming machine, the frame 1 that is symmetricly set on the foaming machine both sides is arranged in the formation, be mounted with chain guide 2 on each frame 1 and be positioned at chain guide 2 front and back ends before, back

sprocket wheel

3,4 and before,

back cam disc

5,6, before the two ends difference pile warp of chain 7,

back sprocket wheel

3,4 back butt joints, clip 8 spaced apart on the chain 7, one of each clip 8 clamps leg and hangs on the chain 7, another clamps the leg upper end with before chain 7 pile warps, before the track of back sprocket wheel drops on, back cam disc 5, on 6 the card, the rotation synchronously that is in transmission connection of two preceding sprocket wheels 3 or back sprocket wheel 4 and drive motors 9, the cross section of chain guide 2 mates with chain 7, guide track is consistent with foamed plastics upper surface curve 25.

Above-mentioned raise-and-draw device for eliminating hump for horizontal continuous foaming machine, described forward and backward

cam disc

5,6 is the fan-shaped ring cam disc, the corresponding clip of the ring radius of eccentric circular ring 8 another clamping leg upper ends are with the pile warp radius of the forward and backward

sprocket wheel

3,4 of chain 7 pile warps.

Above-mentioned raise-and-draw device for eliminating hump for horizontal continuous foaming machine, one of described clip 8 clamps the suspended structure that leg hangs on the chain 7 and is, and this clamps the upper end of leg and docks with outer plate 28 in chain 7 formations.

Above-mentioned raise-and-draw device for eliminating hump for horizontal continuous foaming machine, described chain 7 both sides are settled guide roller 11 at interval, and the cross section of described chain guide 2 is forked, the gyro wheeling concrete chuting 10 that has coupling to be provided with on the two fork plates.

Above-mentioned raise-and-draw device for eliminating hump for horizontal continuous foaming machine, sprocket wheel 4 is by the rotation synchronously that is in transmission connection of shared sprocket shaft 32 and drive motors 9 after described two.

Above-mentioned raise-and-draw device for eliminating hump for horizontal continuous foaming machine, set up in the formation and lift quantity regulating device, symmetrically arranged leading screw 16 rotations are supported on the frame 1 in the adjusting device, mother lead screw 15 on the leading screw has elevating bracket 13 respectively, two elevating brackets 13 are affixed with the support at sprocket shaft 32 two ends respectively, the front end of described chain guide 2 and frame are 1 hinged, the wheel hub fork-join of the telescopic fork spare 14 of rear end and back sprocket wheel 4, and chain guide 2 is the corresponding swing of lifting of sprocket wheel 4 subsequently.

Above-mentioned raise-and-draw device for eliminating hump for horizontal continuous foaming machine, the stretching structure of described telescopic fork spare be, the support axle bed 19 of telescopic fork spare 14 is placed in chain guide 2 rear ends, has spring 18 on the axle body of telescopic fork spare 14, an axle tail has adjusting nut 20.

Above-mentioned raise-and-draw device for eliminating hump for horizontal continuous foaming machine, the upper end of described two leading screws 16 is mounted with upper sprocket wheel 29 respectively, two upper sprocket wheels 29 are in transmission connection by driving-chain 30, and wherein the top of a leading screw 16 connects lifting motor 31, drives two leading screws by lifting motor and rotates synchronously.

Above-mentioned raise-and-draw device for eliminating hump for horizontal continuous foaming machine, described drive motors 9 is a servomotor.

The present invention has following characteristics:

1. the clip that makes clamping lift film by chain guide and chain drive system is advanced along the upper surface curve of plastic foam base product, and the speed of advancing is with liquid to mix the speed that raw material continuously flows in the horizontal foaming machine identical; By forward and backward cam disc clip can be opened automatically when entering or break away from chain guide, clamping or unclamp and lift film, the clip clamping lifts film upward speed component when chain guide is advanced and equates with the component that foamed plastics upwards expands, so can thoroughly eliminate the arching phenomenon that foamed plastics base product upper surface occurs because of friction, improve the yield rate of plastic foam, and then realize purpose of the present invention;

2. the forward and backward cam disc that provides designs for fan-shaped ring, the track that helps the forward and backward sprocket wheel of the two corresponding clip pile warp, and can easily the two be installed and fixed forward and backward sprocket wheel place, and can make the main space layout of parts in addition more be tending towards reasonable, compact, make overall structure obtain simplifying;

3. the variation of chain link outer plate is skillfully constructed for clamping the design of leg suspended structure, need not set up the hanger attachment portion part, has simplified the processing and fabricating and the installation of clip;

4. that sets up lifts quantity regulating device and can carry out lift adjustment to back sprocket shaft and chain guide, has guaranteed the tram of the relative cam of clip and opens on the optimum position, unclamps the film that lifts of clamping, thus the accurate control amount of lifting;

5. on structural design, realized and organic combination of horizontal continuous foam maker science, the normal foaming running of encircleing processing operation and horizontal continuous foam maker that disappears is carried out synchronously, do not influence the production run of horizontal continuous foam maker, and be suitable for according to the foam process adjustment and change;

6. constitute simply, main parts in addition mostly are general part, standard component, are easy to processing and fabricating and installation, reliable small investment;

The present invention suits to install and use on horizontal continuous foam maker.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a preceding sprocket wheel position zoomed-in view;

Fig. 3 is the left view of Fig. 2;

Fig. 4 is sprocket wheel position, a back zoomed-in view;

Fig. 5 is the left view of Fig. 4;

Fig. 6 is a clip suspended structure zoomed-in view.

The parts label is in the accompanying drawing: the 1-frame, the 2-chain guide, sprocket wheel before the 3-, sprocket wheel behind the 4-, 5-lordosis wheel disc, cam disc behind the 6-, the 7-chain, the 8-clip, the 9-drive motors, the 10-gyro wheeling concrete chuting, the 11-guide roller, the 13-elevating bracket, the traversing fork spare of 14-, the 15-mother lead screw, the 16-leading screw, the 17-back shaft, the 18-spring, 19-supports axle bed, 20-adjusting nut, the 21-intermediate support, the 22-supporting seat, the 23-tensioning apparatus, 24-lifts film, 25-foamed plastics upper surface curve, 26-foamed plastics lower surface curve, the 27-chain link, the 28-outer plate, the 29-upper sprocket wheel, the 30-driving-chain, the 31-lifting motor, the 32-sprocket shaft.

The specific embodiment

Consult accompanying drawing

1,2,3,4,5.Frame 1 symmetrical placement in this device is on the side chain grillage of horizontal continuous foam maker both sides, the left end of the chain guide 2 of symmetrical placement is that front end inlet, right-hand member are back outlet on two frames 1, and curved guide track is consistent with foamed plastics upper surface curve 25.Every side next-door neighbour chain guide 2 populations, before the outlet, back cam disc 5, in 6 coexistences, one perpendicular, when sprocket wheel 4 is in transmission connection rotation synchronously with drive motors 9 behind two preceding sprocket wheels 3 or two, two chains 7 are along chain guide 2 equidirectional synchronous operations, touch with lordosis wheel disc 5 when the non-suspension of the clip 8 on every side chain bar 7 clamps the leg upper end with the preceding sprocket wheel 3 of chain 7 these sides of pile warp and contact, clip 8 is opened under the effect of lordosis wheel disc, be synchronized with the movement with the films 24 that lift that enter in 8 liang of clampings of clip leg, producing lordosis wheel disc 5 backs because of disengaging closure, clamp when closed and lift film 24 in it, make lift film 24 with chain 7 along chain guide 2 walking, the clip 8 of cloth repeats said process one by one between the back; When clip 8 advanced to chain guide 2 exits with chain 7, the non-suspension of corresponding perpendicular clamped touching back, the upper end cam disc 6 of leg, and clip 8 is opened once more, unclamp lift film 24 and with open mode with pile warp after the chain 7 of sprocket wheel 4 together produce clip position.

Still consult accompanying

drawing

1,2,3,4 and Fig. 5.Forward and backward

cam disc

5,6 can be the fan-shaped ring cam disc.Lordosis wheel disc 5 is placed in preceding lower left, position, sprocket wheel 3 place, and its cam card is increased gradually by upper left side to lower right; Back cam disc 6 is placed in below, position, sprocket wheel place, back, and its cam card is increased gradually by lower left to upper right side, and the respectively corresponding clip 8 non-suspensions of the ring radius of the two clamp the pile warp radius of leg upper end with the forward and backward sprocket wheel of chain pile warp.

Consult accompanying drawing 6.As everyone knows, chain is joined end to end by the outer plate 28 of a plurality of chain links 27 by both sides usually and forms.The suspended structure of clip 8 has taken into full account and has utilized the design feature of chain among the present invention, the suspension clamping leg upper end of clip 8 is directly docked with the outer plate 28 at position, place, promptly should clamp leg and extend variation by the plate face of outer plate 28 and forms, and solve well on thin narrow chain installation suspended structure and the very inconvenient problem of parts are being set.

Consult Fig. 3.Chain 7 both sides guide roller 11 at interval can be rolling bearing, be installed on the extension axle head of chain link shaft, chain 7 enters the part of chain guide and advances by roller bearings and along the gyro wheeling concrete chuting 10 that coupling on the two fork plates is provided with, and clip 8 stretches out outside the chain guide.

Consult accompanying drawing

1,4,5.Set up when lifting quantity regulating device, two back sprocket wheels 4 of a shared sprocket shaft 32 and chain guide 2 can be by this device adjusting positions.During adjusting, two leading screws 16 rotate synchronously by manual or motorized motions mode, mother lead screw 15 drives back sprocket wheel 4 oscilaltions by elevating bracket 13 and sprocket shaft 32, chain guide 2 is the axle center with the pin joint of front end, the rear end is subjected to the telescopic fork spare 14 corresponding swing of lifting of sprocket wheel 4 subsequently, by regulating, makes clip 8 sprocket wheel 4 and back cam disc 6 after the optimum position pile warp, what clamping was unclamped in unlatching lifts film 24, obtains the suitable amount of lifting.

Consult accompanying drawing

1,4,5.The stretching structure of telescopic fork spare can be as shown: support axle bed 19 and be placed in the back shaft 17 of chain guide 2 rear ends, telescopic fork spare 14 afterbodys by spring 18 scalable being inserted in the axis hole that supports axle bed 19, during adjusting, unclamp the adjusting nut 20 of back shaft 17 tail ends earlier, under spring 18 effects, can guarantee that telescopic fork spare 14 tightly is stuck on the wheel hub of back sprocket wheel 4, after regulating the amount of lifting, fastening adjustment nut 20, the rear end of chain guide 2 just can under the effect of telescopic fork spare 14 with lifting after back sprocket wheel 4 keep correct correspondence position.

Still consult accompanying drawing 4,5.For improving rigidity of support, can set up intermediate support 21 on the axle body of back shaft 17.When setting up intermediate support 21, adjusting nut 20 is two, lays respectively at the both sides of supporting axle bed 19.

Still consult accompanying drawing 4,5.Drive motors 9 should adopt servomotor, with the convenient gait of march of passing through the rotational speed regulation chain 7 of control servomotor, make the gait of march of chain 7 consistent, also made things convenient for the present invention to adapt to the instructions for use of the different foam process velocity variations that flow with the continuous tiling speed that liquid state mixes raw material.

Still consult accompanying drawing 1.The top of two frames 1 also is mounted with the supporting seat 22 and the chain stretching device 23 of support chains 7, and this is a chain transmission current techique, repeats no more.Frame 1 can horizontal continuous foam maker both sides the side chain grillage substitute.

Claims

1. raise-and-draw device for eliminating hump for horizontal continuous foaming machine, it is characterized in that, the frame [1] that is symmetricly set on the foaming machine both sides is arranged in the formation, be mounted with chain guide [2] on each frame [1] and be positioned at chain guide [2] front and back end before, back sprocket wheel [3], [4] and before, back cam disc [5], [6], before the two ends difference pile warp of chain [7], back sprocket wheel [3], [4] back butt joint, chain [7] is gone up clip spaced apart [8], one of each clip [8] clamps leg and hangs on the chain [7], another clamps the leg upper end with before chain [7] pile warp, before the track of back sprocket wheel drops on, back cam disc [5], [6] on the card, two preceding sprocket wheels [3] or back sprocket wheel [4] are in transmission connection with drive motors [9] and rotate synchronously, the cross section of chain guide [2] and chain [7] coupling, guide track is consistent with foamed plastics upper surface curve [25].

2. raise-and-draw device for eliminating hump for horizontal continuous foaming machine according to claim 1, it is characterized in that, described forward and backward cam disc [5], [6] are the fan-shaped ring cam disc, and another clamps the pile warp radius of leg upper end with the forward and backward sprocket wheel of chain [7] pile warp [3], [4] the corresponding clip of the ring radius of eccentric circular ring [8].

3. raise-and-draw device for eliminating hump for horizontal continuous foaming machine according to claim 2 is characterized in that, one of described clip [8] clamps the suspended structure that leg hangs on the chain [7] and is, this clamps the upper end of leg and docks with outer plate [28] in chain [7] formation.

4. raise-and-draw device for eliminating hump for horizontal continuous foaming machine according to claim 3 is characterized in that, described chain [7] both sides are settled guide roller [11] at interval, and the cross section of described chain guide [2] is forked, the gyro wheeling concrete chuting [10] that has coupling to be provided with on the two fork plates.

5. according to claim 1,2,3 or 4 described raise-and-draw device for eliminating hump for horizontal continuous foaming machine, it is characterized in that sprocket wheel [4] is in transmission connection by shared sprocket shaft [32] and drive motors [9] after described two.

6. raise-and-draw device for eliminating hump for horizontal continuous foaming machine according to claim 5, it is characterized in that, set up in the formation and lift quantity regulating device, symmetrically arranged leading screw [16] rotation is supported on the frame [1] in this device, mother lead screw on the leading screw [15] has elevating bracket [13] respectively, two elevating brackets [13] are affixed with the support at sprocket shaft [32] two ends respectively, the front end of described chain guide [2] and frame [1] are hinged, the telescopic fork spare [14] of rear end with the back sprocket wheel [4] the wheel hub fork-join.

7. raise-and-draw device for eliminating hump for horizontal continuous foaming machine according to claim 6, it is characterized in that, the stretching structure of described telescopic fork spare is, the support axle bed [19] of telescopic fork spare [14] is placed in chain guide [2] rear end, have on the axle body of telescopic fork spare [14] spring [18], the axle tail have adjusting nut [20].

8. raise-and-draw device for eliminating hump for horizontal continuous foaming machine according to claim 7, it is characterized in that, the upper end of described two leading screws [16] is mounted with upper sprocket wheel [29] respectively, and two upper sprocket wheels [29] are in transmission connection by driving-chain [30], and wherein the top of a leading screw [16] connects lifting motor [31].

9. raise-and-draw device for eliminating hump for horizontal continuous foaming machine according to claim 8 is characterized in that, described drive motors [9] is a servomotor.