CN2180445Y

CN2180445Y - Guide operating system for moulding machine of hard polyvinyl-chloride double-wall bellows

Info

Publication number: CN2180445Y
Application number: CN93229483U
Authority: CN
Inventors: 杜岐
Original assignee: WEIYA PROGRAMME CONTROL PLASTIC MACHINERY CO DALIAN CITY
Current assignee: WEIYA PROGRAMME CONTROL PLASTIC MACHINERY CO DALIAN CITY
Priority date: 1993-10-18
Filing date: 1993-10-18
Publication date: 1994-10-26
Anticipated expiration: 2003-10-18

Abstract

The utility model discloses a guide-way operating system for the molding machine of a hard and double-wall polyvinyl-chloride corrugated tube. The utility model is characterized in that no chain shaft is connected between die blocks, and the guiding of the guide-way operating system is realized by that guide grooves on an upper and a lower guide-way plates are contacted in rolling with pin sleeves on the die blocks. The synchronisation and the vibration absorption of the die blocks are adjusted by cushioning adjusting screws. The upper side of the molding machine is provided with a die-speed digit displaying meter which can remotely control a stepless gear and is also provided with a tube-length digit displaying meter, the installing signal starting device of the tube-length digit displaying meter and the cutting signal starting device of the tube-length digit displaying meter. The utility model overcomes various defects of the guide-way operating system of the molding machine of a chain-shaft and chain-plate-typed single-wall corrugated tube. The testing manufacture of a studied machine with phi 110 m m is successful, and the production rate reaches 200 to 500 kg/ h.

Description

Guide operating system for moulding machine of hard polyvinyl-chloride double-wall bellows

The utility model discloses a kind of corrugated dual-wall hard PVC pipe make-up machine guide rail operational system.(hereinafter to be referred as the double-walled machine) has PVC-U single-wall corrugated pipe make-up machine (hereinafter to be referred as the single wall machine) now, and its design feature is: two oblate half module rings were formed about its main body was made of the split type bellow forming of 50 more pieces symmetry.Between each moulding half module, be connected to each other in the ring by chain rivet, carrier bar.The bottom or the top of each half module are provided with tooth bar.Symmetrical two half modules form the complete pipe die of a joint altogether.It is meshed with driven wheel by bottom or top group tooth bar altogether, promotes the round-the-clock circulation of whole chain link and moves.Half module is by two ring outside guide plates separately in the commutation in porch, tube forming district and exit.The structure of submitting a written statement to a higher authority has following defective:

1. intermodule adopts the chain rivet carrier bar to connect, because of module reaches more than 50 joints, and the bad control of the accumulated error of length during assembling.As overall error is negative value, and then the actual length of run of module chain will be less than theoretical length, and module will be because of excessive can not the rotation of rubbing each other; As overall error be on the occasion of, surpass rational allowable value again, then the tooth pitch of the assembled rack of adjacent block can't be meshed with driven wheel excessive, the module chain can not move.Above-mentioned situation is given and is made, installs, debugging brings many difficulties.Chain rivet, carrier bar in use may wear to a certain degree, and it is big that the tooth pitch of assembled rack becomes, and the irremovable fault of module also will occur.

2. regulate difficulty because of the module length of run, thus two chain links in the shaping area porch very difficult being synchronized on the starting line.Mismatch will reduce the Forming Quality of tubing.

3. module adopts the guide plate slides commutation in the shaping area porch, and module constantly is subjected to the impulsive force that sliding friction produces in commutation process, causes the module vibration.Influence the steady moulding of shaping area module, reduced pipe workpiece quality.

4. the no speed instruction sheet of module operation is adjusted pipe die speed and can only be leaned on experience, the technology instability.Handwheel is regulated inconvenient, can't remote-control speed-regulation.

5. do not have the tubing cutting device of issuing an order, can not make follow-up pipe cutting machine working automation.

Technical purpose of the present utility model provides a kind of no chain rivet, carrier bar mechanism, and module operates steadily, synchronously, remote gear control is arranged, Pipe Cutting double-walled machine device, that automaticity is higher of issuing an order is arranged.Solve double-wall pipe production and rely on aforementioned difficulties and the quality problems thereof that single-walled pipe equipment is brought.

Below in conjunction with description of drawings design feature of the present utility model:

Fig. 1 has represented support ［ 1 ］, upper rail plate ［ 3 ］, lower guideway plate ［ 4 ］, and connecting plate ［ 2 ］ fuses ［ 3 ］, ［ 4 ］, and the split type forming module of left-right symmetry ［ 23 ］, ［ 22 ］ are clipped between lower guide plate ［ 3 ］, ［ 4 ］.In the shaping area porch, also set up float plate ［ 12 ］, following float plate ［ 13 ］ on last lower guideway plate ［ 3 ］, ［ 4 ］, they are connected by the dovetail groove on dovetail and last lower guideway plate ［ 3 ］, ［ 4 ］ respectively.Drive motor ［ 5 ］ deceleration and buncher ［ 8 ］ are equipped with in the back side of lower guideway plate 4, and the servomotor ［ 6 ］ of remote gear control is housed on the buncher ［ 8 ］.Driving force is passed to driven wheel ［ 10 ］ by chain-wheel mechanism ［ 9 ］, removes to stir assembled rack ［ 23 ］ under each module by ［ 10 ］, makes the module chain obtain mobile power.Locate also to be equipped with tachogenerator ［ 11 ］ at driven wheel ［ 10 ］, pulse coder ［ 7 ］ also is housed on lower guideway plate ［ 4 ］, it monitors the length of walking out of molded pipe, shows also in time to send by digital display meter and cuts off instruction, makes follow-up pipe cutting machine realize cutting automatically.

Fig. 2 has represented the situation of overlooking after the double-walled machine is removed parts ［ 2 ］, ［ 3 ］ and whole module.［ 15 ］, ［ 14 ］ represent left half-formed module ［ 23 ］ and the gathering sill of right half-formed module ［ 22 ］ on lower guideway plate ［ 4 ］ respectively.Arrow in the shape gathering sill of flat garden is represented the moving line of half module, and is identical on upper rail plate ［ 3 ］ and lower guideway plate ［ 4 ］ structure, has only the mounting means difference.［ 3 ］ gathering sill down, ［ 4 ］ gathering sill is up.Be clipped in more than 100 module between lower guideway plate ［ 3 ］, ［ 4 ］, contact with gathering sill on ［ 3 ］, ［ 4 ］ by the guide up and down ［ 19 ］ of each module, and be directed to groove and be arranged in and two flat gardens of the equiform left-right symmetry of gathering sill shape module ring.One of module is against one, and under the promotion of driven wheel ［ 10 ］, one pushes away one move along the gathering sill circulation.The direction of motion is shown in the vertical view upward arrow, and in the shaping area porch, the two halves module is synthesized a complete pipe die.Finish the moulding task of double-wall pipe while moving at the shaping area inner module.In the shaping area exit two half modules separately, the outer ring alignment shaping area inlet by separately moves, and prepares next time matched moulds and finishes double-wall corrugated pipe shaping work next time.What module circulation like this did not stop moves continuously, during matched moulds moves in, double-wall pipe is continuously created, and is taken out of shaping area continuously by module.Reach when setting value when walking out length of tube, pipe range digital display meter and the device of issuing an order ［ 7 ］ thereof send and cut off instruction.The notice pipe cutting machine will be managed cut-out.［ 16 ］ be module translational speed digital display meter.［ 18 ］ be various control buttons.

Fig. 3 is that AA is to profile, it has represented left moulding half module ［ 23 ］ and right moulding half module ［ 22 ］, between upper rail plate ［ 3 ］ and lower guideway plate ［ 4 ］, by being contained in the upper and lower gathering sill ［ 14 ］ on 2 bearing pins ［ 20 ］ on the upper and lower plane of module and guide ［ 19 ］ and last lower guideway plate ［ 3 ］, ［ 4 ］, the assembling principle of ［ 15 ］.Guide ［ 19 ］ can be gone up at bearing pin ［ 20 ］ and freely rotate, and leads to module by rolling to contact with the cotter way side in the guide side.［ 24 ］, ［ 21 ］ be the coldplate of shaping mould ［ 23 ］, ［ 22 ］, hollow space is a cooling-water duct in the plate.Shaping mould relies on Forced water cooling and air blast cooling to reduce the mould temperature.(blower fan is contained in the shaping area porch, and accompanying drawing is not represented it for outstanding critical piece) upper rail plate also is provided with cooling-water duct on ［ 3 ］.

Fig. 4 be BB to the turnover profile.It expresses the tooth bar ［ 23 ］ of double-wall corrugated pipe formation die inner-cavity structure and bottom thereof and the assembling situation of two bearing pins ［ 20 ］ guidees ［ 19 ］ up and down.

Fig. 5 is that CC is to profile.It has represented the floating principle of time float plate ［ 13 ］.Last float plate ［ 12 ］ is identical with ［ 13 ］ with floating principle.Following float plate ［ 13 ］ links by the dovetail groove ［ 28 ］ on dovetail and the lower guideway plate ［ 4 ］ is movable.Lower guideway plate ［ 4 ］ is provided with buffering adjustment screw ［ 26 ］, and its inner chamber is equipped with buffer spring ［ 27 ］ and trundle ［ 25 ］.Trundle withstands on down on the float plate ［ 13 ］.The bottom bearing pin ［ 20 ］ of half-formed mould ［ 23 ］, guide ［ 19 ］ contacts with gathering sill on the float plate ［ 13 ］.Module ［ 23 ］ passes on the float plate ［ 13 ］ by guide ［ 19 ］ along the vibration of swallow groove direction, passes to trundle ［ 25 ］ by float plate ［ 13 ］ again, the compression spring ［ 27 ］ and obtain the buffering.Turn adjustment screw inwards ［ 26 ］ is given float plate ［ 13 ］ by trundle ［ 25 ］ power transmission.［ 13 ］ promote guide ［ 19 ］ and drive module to shorten each intermodule gap by gathering sill along the module direction of advance.Otherwise outwards turn adjustment screw ［ 26 ］ then can increase each intermodule gap.Regulate ［ 26 ］ and promptly finely tuned the length of run of module ring, two half modules that enter shaping area are on the same starting line, guarantee the synchronous operation of shaping mould.［ 26 ］ 6 of adjustment screw are established for every in fluctuate totally 4 of plate ［ 12 ］, ［ 13 ］, guarantee buffering and the uniformity of regulating.

Advantage of the present utility model:

Double-wall corrugated pipe forming machine guide rail operational system with said structure, employing guide and gathering sill lead to module and locate.Set up the plate that fluctuates in the shaping area porch, by adjustment screw, make the vibration of each module that is in commutation states obtain buffering and absorb, and can guarantee two half modules lumping together synchronously.More than two measures fundamentally overcome chain rivet chain-plate type single wall machine and be difficult for Installation and Debugging, move not steady, the synchronism defect of bad.

The installation of speed displayer, the setting of remote controlled stepless variable speed servomotor, molded pipe is walked out the digital display meter of length and is sent automatically and cut off setting up of command device, overcome the speed governing by rule of thumb of single wall machine, the defective that technological parameter shakiness, automaticity are not high, change the inside modules size, the utility model can be produced the double-wall corrugated pipe of φ 85mm to φ 160mm.

Corrugated dual-wall hard PVC pipe is current international advanced tubing, and its rigidity is big, in light weight, economizes raw material, and installation is convenient, has been used for fields such as post and telecommunications, building, water conservancy.

Trial-produce successfully according to the utility model φ 110mm corrugated dual-wall hard PVC pipe make-up machine, production rate per hour can reach 200Kg～250Kg.

Claims

1, one by last lower guideway plate [3], [4] plate [12] that fluctuates, [13], be clipped in lower guideway plate [3], [4] Zhong Jian left and right sides half module [23], [22], the corrugated dual-wall hard PVC pipe make-up machine guide rail operational system that drive motors [5] is formed, it is characterized in that lower guideway plate [3], [4] and the plate that fluctuates [12], [13] be respectively equipped with gathering sill on, last lower guideway plate [3], [4] be provided with buffering adjustment screw [26], left and right sides moulding half module [23], [22] last lower plane is provided with bearing pin [20], guide [19], buncher [8] and servomotor [6] thereof are housed on the lower guideway plate, driven wheel [10] locates to be equipped with mould speed sensors [11], module tooth bar [23] locates to be equipped with pulse coder [7], speed displayer [16] and moulding pipe pipe range digital display meter is housed on the console and sends out cut-out command device [17].

2, by the described corrugated dual-wall hard PVC pipe make-up machine of claim 1 guide rail operational system, it is characterized in that gathering sill ［ 14 ］, ［ 15 ］ on lower guideway plate ［ 3 ］, ［ 4 ］ and the plate that fluctuates ［ 12 ］, ［ 13 ］, is the closed gathering sill of flat garden shape.

3, by the described corrugated dual-wall hard PVC pipe make-up machine of claim 1 guide rail operational system, it is characterized in that in upper rail plate ［ 3 ］ and module left and right sides coldplate ［ 24 ］, ［ 21 ］ the forced cooling water passage being arranged.

4, by the described corrugated dual-wall hard PVC pipe make-up machine of claim 1 guide rail operational system, the plate ［ 12 ］ that it is characterized in that fluctuating, ［ 13 ］ are that the dovetail groove slip links with last lower guideway plate ［ 3 ］, ［ 4 ］.

5,, it is characterized in that cushioning in the abdominal cavity of adjustment screw ［ 26 ］ and be provided with compression spring ［ 27 ］ trundle ［ 25 ］ by the described corrugated dual-wall hard PVC pipe make-up machine of claim 1 guide rail operational system.

6, by the described corrugated dual-wall hard PVC pipe make-up machine of claim 1 guide rail operational system, the internal mold size range that it is characterized in that left and right sides half module ［ 23 ］, ［ 22 ］ is φ 85mm to φ 160mm.