CN2173152Y

CN2173152Y - Plastic thin wall continer direct moulding machine

Info

Publication number: CN2173152Y
Application number: CN 93223835
Authority: CN
Inventors: 姚德源
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-09-08
Filing date: 1993-09-08
Publication date: 1994-08-03
Anticipated expiration: 2003-09-08

Abstract

The utility model provides a plastic thin wall container direct automatic moulding machine belonging to production equipment for plastic products. An extruding machine 1 with a mould head 2 uses a vacuum forming rotary mould to cause extruded melting sheets 3 appressed with a rotary mould set 26 before hardening to form, or adds an auxiliary forming device to match with the vacuum forming rotary mould to cause the extruded melting sheets 3 to form. The utility model combines two processes of extruding and forming in one, which saves electricity and raw materials. The utility model has the advantage of few investment and is suitable for vacuum forming of various plastics.

Description

Plastic thin wall continer direct moulding machine

The utility model relates to a kind of plastic thin wall container direct-type automatic moulding machine, belongs to the process equipment of plastic products.

Produce the plastic thin wall container at present both at home and abroad, can only be with the moulding of secondary operations method: promptly at first plastic raw materials is processed into plastic sheet with extrusion molding or rolling process, rolling after cooling becomes tube, then the plastic sheet of rolling is placed on the special make-up machine and evens up, heat, moulding on vacuum forming machine then, general producer seldom can oneself produce the processing thin-walled container of sheet material, can only outerly purchase sheet material and carry out secondary operations, often thickness, width, the material category of the sheet material of purchasing are restricted, and rim charge after the moulding and defective work can only be made waste material and handle.

Task of the present utility model is organically to combine extruding with the moulding two procedures, by special extruder plastic raw materials is extruded into the thin slice of desired thickness and width, makes its moulding with the vacuum forming rotating mould before the thin slice sclerosis.

Above-mentioned task is achieved in that the extruder of band die head, the size design of the width root a tree name goods of die head, and the melting charge that die head is extruded is realized continuous automatic moulding by buncher driven rotary mould bases.Uniformly-spaced be fixed with some moulds with screw on the rotation mould bases, connect flexible pipe on its lower cavity middle part through hole, the other end is connected with hollow nipple on the evacuating plate, and the inner eyelet welding with the pneumatic panel upper steel plate of exhaust tube connects, and the outer end is connected with vavuum pump.Pneumatic panel is the circular arc with certain angle, it is close to evacuating plate to reach sealing by rubber slab, spring, mould number fixing on evacuating plate upper screwed hole number and the rotation mould bases is corresponding one by one, when the pore on the evacuating plate forward to pneumatic panel on pore align, air in the corresponding mould is just followed the exhaust tube of vavuum pump and is found time, and the fusion sheet material is adjacent to mould rapidly and moulding under pull of vacuum.The thickness of thin-walled pressure vessel can change by regulating die head and extrusion capacity, and the shaping speed of product can be realized by the rotating speed of regulating the rotation mould bases.By bicker or manually cut into single finished product, rim charge or defective work can add virgin material again and continue moulding the goods of bunchiness after crushed after cooling off.

When the stretching of product is big, on support, installs additional and rotate the assistant formation device that mould bases cooperates.When rotating, big belt pulley swings by the rocking bar that crank drives and support is hinged, when the contact on the rocking bar contacts with the opposite polarity contact of end about power panel, the small DC motor of the auxiliary mould of control is done positive and negative rotation, small DC motor drives auxiliary mould and moves up and down, cooperate the shaping mould on the rotation mould bases to make the fusion sheet material be processed to type, and control the extreme position that auxiliary mould moves up and down with travel switch.

Plastic thin wall container direct-type automatic moulding machine, organically combine extruding with the moulding two procedures, the thin slice straight forming of extruding needn't heat (room temperature need be incubated when low) again, therefore power saving 40～50%, the thickness of thin slice, width can once be adjusted as requested, and rim charge and defective work can brokenly add virgin material moulding again later on.This machine reasonable in design is invested for a short time, is suitable for the vacuum forming to multiple plastics.

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

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

Fig. 2 is the A-A profile of rotation mould bases among Fig. 1

Fig. 3 is the structural representation of assistant formation device

Fig. 4 is the side view of Fig. 3

Plastic thin wall container direct-type automatic moulding machine, comprise extruder 1, die head 2, fusion sheet material 3 is positioned the both sides of the rotation mould bases 26 of fixedlying connected with support 6 by belt pulley 5, V belt 8, band iron 7 with little axle 11 connections, and band iron 7 is hinged with support 6, and support 6 is fixedlyed connected with frame and pull bar 4, and be pressed on the mould bases 26 by draft regulator 13, spring 14, rely on direct current generator 15, decelerator 16, belt pulley 17,9, V belt 12 driven rotary mould bases 26 are realized continuous automatic moulding.Rotation mould bases 26, be positioned on same circumference, the distributes evacuating plate 19 in some constant worm pich hole of driven gear 30 endoporus, fasten in mould bases axle 27 that support 6 is fixedlyed connected on, driven pulley 30, evacuating plate 19 are screwed respectively and are rotating on the mould bases 26.Circular arc pneumatic panel 18 with certain angle is positioned at evacuating plate 19 outsides, spring 183 makes rubber slab 181, steel plate 182 be close to evacuating plate 19, pressing plate 184 compresses with nut 29 and mould bases axle 27 it hinged, the hole that adjustment screw 20 is passed on the support 6 is threaded with the circular arc arm end top earhole of pneumatic panel 18, its angle is by adjustment screw 20 control, and driving gear 10 and belt pulley 9 are coaxial and be connected with support 6.Uniformly-spaced be fixed with some moulds 23 with screw on the rotation mould bases 26, its quantity is corresponding with stomatal number on the evacuating plate, connect flexible pipe 25 on the mould lower cavity 24 middle part through holes, its other end is connected with hollow thread joint 48 on the evacuating plate, one end of exhaust tube 28 and the eyelet welding of pneumatic panel upper steel plate 182 connect, the other end is connected with vavuum pump, and electric fan 21 is fixed on plastic thin wall container 22 demoulding place frames.

When being positioned, the fusion sheet material 3 extruded of extruder 1 of band die head 2 is transported on the rotation mould bases 26, pore on the evacuating plate 19 forward to pneumatic panel on pore to timing, air in the corresponding mould 23 is just followed the exhaust tube 28 of vavuum pump and is found time, the fusion sheet material is adjacent to mould 23 rapidly and moulding under pull of vacuum, after electric fan 21 blowing cooling and demolding, by bicker or manually cut into single product 22, and leftover bits add virgin material through fragmentation and can continue moulding.

When the draw ratio of product is big, to install the assistant formation device additional.Crank 31 1 ends are screwed on the axle of belt pulley 9, the other end is pegged graft by crank-pin 45 and rocking bar 32 middle part kidney grooves, rocking bar 32 is positioned at support 6 outsides, one end and mould bases axle 27 are hinged, the other end and connecting plate 42 welding, there are two contacts 34 kidney groove below, and power panel 40 usefulness screws 41 are fixed on the support 6, its left and right end respectively has two contacts 33, and two ends contact polarity is opposite.Little dc motor 35 is connected with connecting plate 42, connect assistant formation driving gear 36 on its output shaft, inlay thread bush 46, cooperate with the endoporus of driven gear 37 in the fixedly connected gear-box 49 of connecting plate with the screw mandrel 38 of band longitudinal fluting, screw mandrel is by sleeve 44 guiding, screw in the screw mandrel groove with screw 43 on the sleeve, auxiliary mould 47 is connected with screw mandrel 38, and travel switch 39 is fixed on the connecting plate 42.When belt pulley 9 rotated, crank 31 drove rocking bar 32 and swings.When rocking bar is swung to the right, when the contact 34 on the rocking bar contacts with power panel 40 right-hand member contacts 33, motor 35 forward rotation, driven gear 36,37 rotates, the screw thread of gear 37 endoporus edge cover 46 makes with it fit screw rod 38 be with auxiliary mould 47 to move downward, and fusion sheet material 3 is pressed in the shaping mould, is inhaling on mould 23 under the suction of vavuum pump, screw mandrel 38 runs to the appropriate location when running into travel switch 39, promptly stops to move downward.Rotation along with belt pulley 9, rocking bar 32 is swung left, shaping mould also is moved to the left, when rocking bar contact 34 contacts with the contact 33 of power panel 40 left end reversed polarities, motor 35 backward rotation, screw mandrel 38 is being with auxiliary mould 47 to move up, and screw mandrel 38 moves upward to the appropriate location and runs into travel switch 39, promptly stops to move upward.So far the process of a plastic thin wall container finishes, then rocking bar 32 processing of the next container of swing beginning to the right again.

Claims

1, a kind of plastic thin wall container direct-type automatic moulding machine comprises extruder (1), die head (2), it is characterized in that;

A, fusion sheet material (3) use belt pulley (5), V belt (8), the band iron (7) of little axle (11) connection to be positioned the both sides of the rotation mould bases (26) of fixedlying connected with support (6), and band iron (7) is hinged with support (6), and be pressed on the mould bases (26) by draft regulator (13), spring (14), realize continuous automatic moulding by buncher (15), decelerator (16), belt pulley (17), (9), V belt (12) driven rotary mould bases (26)

B, rotation mould bases (26), be positioned on same circumference, the distribute evacuating plate (19) in some constant worm pich hole of driven gear (30) endoporus, fasten in mould bases axle (27) that support (6) is fixedlyed connected on, driven pulley (30), evacuating plate (19) is screwed respectively on rotation mould bases (26), circular arc pneumatic panel (18) with certain angle is positioned at gas plate (a 19) outside, spring (183) makes rubber slab (181), steel plate (182) is close to evacuating plate (19), pressing plate (184) is hinged with nut (29) with mould bases axle (27), the hole that adjustment screw (20) is passed on the support (6) is threaded with the circular arc arm end top earhole of pneumatic panel (18), driving gear (10) is coaxial and be connected with support (6) with belt pulley (9)

C, rotation mould bases (26) are gone up and uniformly-spaced are fixed with some moulds (23) with screw, connect flexible pipe (25) on the through hole of its lower cavity (24) middle part, the other end is gone up hollow nipple (48) with evacuating plate (19) and is connected, the eyelet welding of one end of exhaust tube (28) and pneumatic panel upper steel plate (182) connects, the other end is connected with vavuum pump

D, support (6) are connected with frame and pull bar (4), and electric fan (21) is fixed on plastic thin wall container (22) demoulding place frame.

2, according to the described automatic moulding machine of claim 1, it is characterized in that: crank (31) one ends are screwed on the axle of belt pulley (9), the other end is pegged graft by crank-pin (45) and rocking bar (32) middle part kidney groove, rocking bar (32) one ends and mould bases axle (27) are hinged, the other end and connecting plate (42) welding, there are two contacts (34) kidney groove below, power panel (40) is fixed on the support (6) with screw (41), its left side, right-hand member respectively has two contacts (33), and two ends contact polarity is opposite, motor (35) is connected with connecting plate (42), fixedly connected assistant formation driving gear (36) on its output shaft, the endoporus edge thread bush (46) of the interior driven gear of gear-box (49) (37) that is connected with connecting plate (42), cooperate with the screw mandrel (38) of band longitudinal fluting, screw mandrel is led by sleeve (44), screw in the screw mandrel groove with screw (43) on the sleeve, auxiliary mould (47) is connected with screw mandrel (38), and travel switch (39) is fixed on the connecting plate (42).