CN2139885Y

CN2139885Y - Moving type hemming make-up plastic cup mouth

Info

Publication number: CN2139885Y
Application number: CN 92241567
Authority: CN
Inventors: 林仲冲
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-11-20
Filing date: 1992-11-20
Publication date: 1993-08-11
Anticipated expiration: 2002-11-20

Abstract

The utility model relates to a moving type hemming make-up for a plastic cup mouth. Three rollers are arranged in parallel; the corresponding surface forms a clamping space. The surface of the rollers is provided with screw threads with equidistance in a descending depth and is heated by a heating component to soften the passing plastic cup mouth. Rotating shafts of the three rollers are arranged on a slide block of a synchronous adjusting mechanism; the slide block can synchronously make the radial motion so as to adjust the size of the clamping space of the roller component to adapt to process the plastic cups with different mouth diameters. The utility model can adjust various mouth diameters during running without stopping the machine to adjust.

Description

Moving type hemming make-up plastic cup mouth

The utility model relates to a kind of plastics rim of a cup hemming device, particularly relates to a kind of its grasping part size of can adjusting simply to adapt to the movable moulding plastics rim of a cup crimping mechanism of different bore plastic cups.

The use of plastic cup in our daily life more seen universal, it is popular that yet the shortcoming that has commercially available plastic cup is perplexing consumption always, be that plastic cup needs to become indivedual plastic cups through punching after moulding, make its rim of a cup very sharp keen, easily hurt user's lip, it is not good to hold sense of touch simultaneously, reduce the sense of worth of its quality, and disclosed in the past device, it mainly is the device that utilizes four spiral rollers to form, so that the wheel rim crimping of container, utilize heater that the plastics margin of optic cup is heated simultaneously and be the plastic deformation state, and utilize roller devices to come feed, though this device can reach the effect of quick crimping, yet it has following shortcoming:

One; when adjusting the grasping part of its four rollers, quite bother; must shut down one by one and adjust respectively; not only bothersome time-consuming, if adjust improperly, will cause contact pressure inequality; make the crimping effect undesirable; and this shortcoming be particular about product diversification now, certainly will can't adapt to different bore plastic cups and adjust rapidly and cooperate, cause suitable puzzlement.

Its two, it is to utilize hot oil pipeline, by the inner heating of cylinder, firing rate is slow, and the temperature adjustment is difficult for, and its complex structure, makes cost improve.

Main purpose of the present utility model is to be to provide a kind of movable moulding plastics rim of a cup crimping mechanism, and it can be by the difference of plastic cup bore, and is simple and easy, promptly adjusted, and can adjust rapidly in machine run and change to adapt to the plastic cup of any bore.

Another purpose of the present utility model promptly is to provide a kind of movable moulding plastics rim of a cup crimping mechanism, and it is to utilize surface heated mode, and economic benefit is good, and the temperature adjustment is rapid.

The purpose of this utility model reaches as follows:

A kind of movable moulding plastics rim of a cup crimping mechanism comprises drum assembly, two groups of synchronous adjusting mechanisms, heating component, motor and feeding mechanisms; Drum assembly is that parallel its facing surfaces is formed with grasping part side by side by three cylinders, and cylinder surface is provided with by dark gradually shallow constant worm pich, and three cylinders are also done constant speed and rotation in the same way by the transmission of sprocket wheel and chain; It is characterized in that:

Two groups of synchronous adjusting mechanisms are located at two sides of drum assembly respectively, it comprises the groove seat, the spiral fluted disc, handwheel, it is to be 120 degree compartment of terrains the radial chute in three roads is set on the groove seat, be provided with three in the chute and be the slide block that can radially slide, the slide block bottom side is provided with leads tooth, and be meshed with helical form rack rails on the spiral fluted disc, the rotating shaft of drum assembly is located on the slide block respectively, the described helical tooth side of trying to get to the heart of a matter is installed with and is subjected to handwheel to drive the ring tooth of rotation, when utilizing handwheel to drive the helical tooth disc spins, three slide blocks synchronously move radially, and then adjust the relative position of cylinder.

The purpose of this utility model can also following mode reach: described movable moulding plastics rim of a cup crimping mechanism, and heating component can be to be located at three non-conterminous outer surfaces of cylinder of drum assembly position respectively, it comprises one group of electrothermal tube and arc reflector.

Described movable moulding plastics rim of a cup crimping mechanism, feeding mechanism can comprise the conveyer belt in V-type guide groove and pile warp V-type guide groove Cheng Na space, conveyer belt places the plastic cup of V-type guide groove to be advanced into the inlet of drum assembly grasping part in regular turn bunchiness by motor drives.

Described movable moulding plastics rim of a cup crimping mechanism, the stack shell of three its feed ends of cylinder of drum assembly can be the gradually little guiding conical surface of external diameter.

The utlity model has following advantage:

1, when utilizing handwheel to drive the helical tooth disc spins, will the rotating shaft of drum assembly synchronously be moved radially with three slide blocks, thereby can adjust the relative position of cylinder simply, to adapt to the crimping processing of different bore plastics rims of a cup.Not only adjust easily, and can in machine run, adjust, needn't shut down.

2, utilize the heating component that is located at the cylinder outside directly the cylinder surface width of cloth to be penetrated heating, the temperature adjustment is easy, thermal efficiency height.

Below by most preferred embodiment and accompanying drawing movable moulding plastics rim of a cup crimping of the present utility model mechanism is elaborated, in the accompanying drawing:

Fig. 1 is the stereogram of the utility model preferred embodiment.

Fig. 2 is the utility model preferred embodiment floor map.

Fig. 3 is the sectional axonometric drawing of the utility model preferred embodiment synchronous adjusting mechanism.

Please cooperate and consult Fig. 1, movable moulding plastics rim of a cup crimping of the present utility model mechanism comprises drum assembly 1, two synchronous adjusting mechanism 2, heating component 3 and feeding mechanism 4.

Drum assembly 1 comprises three cylinders 110 that structure is identical, 120,130, it is uniformly-spaced parallel arranged side by side, its surface is provided with by dark gradually shallow screw thread (as shown in Figure 2) according to the direction of arrow, three cylinders 110,120, form grasping part between 130 opposite faces, so that by screw thread clamping plastic cup mouth periphery, cylinder 110,120, the stack shell of 130 feed ends also forms the gradually little guiding conical surface of external diameter 111,121,131, homing guidance is to the tram when making the plastic cup charging, the rotating shaft 112 at cylinder two ends, 122,132 are located in two groups of synchronous adjusting mechanisms 2 respectively, rotating shaft 112,122, also respectively be provided with sprocket wheel 140 on 132,150,160, and utilize chain 170 to transmit the power of motor 180, and drive three cylinders 110 simultaneously, 120,130 in the same way and constant speed rotation.

Please cooperate and consult Fig. 3, synchronous adjusting mechanism 2, be on groove seat 210, to be 120 degree compartment of terrains to be provided with the radial chute 220 in three roads, three slide blocks 230 can radially be located at slidably in the chute 220, slide block 230 bottom sides are provided with leads tooth 231, and be meshed with the helical form rack rails 241 of spiral fluted disc 240, the bottom side of fluted disc 240 is provided with ring tooth 242, and can be subjected to handwheel 250 to drive rotation, the rotating shaft 112 of drum assembly 1,122,132 promptly are located on the slide block 230, when handwheel 250 drives fluted disc 240 rotations, can synchronously make three slide blocks 230 do radial displacement, to adjust three cylinders 110,120,130 grasping part.

Heating component 3, include the heating unit of three groups of same configuration, it is located at three cylinders 110 respectively, 120,130 non-conterminous outer surface positions, each heating unit comprises one group of electrothermal tube 310 and arc radiation cover 320, electrothermal tube 310 places arc radiation cover 320 inboards, and keep suitable distance with cylinder surface, mat arc reflector, and can be with cylinder 110,120, the evenly heating of 130 surfaces, be to adopt directly to penetrate heating because of the utility model simultaneously by the cylinder surface width of cloth, construct simple and easy, and in the time will adjusting the temperature height, also can reach rapidly, and because of cylinder 110,120,130 feed end guiding conical surfaces 111,121,131 setting, can automatically proofread and correct when making the plastic cup charging toward centre, and correctly by three cylinders 110,120,130 screw thread is engaging-in synchronously.

Feeding mechanism 4, it comprises the conveyer belt 420 in V-type guide groove 410 and pile warp V-type guide groove 410 Cheng Na spaces 411, conveyer belt 420 utilizes motor 430 power and with the certain speed feeding, so that place the plastic cup of V-type guide groove 410 to be advanced into the porch of drum assembly 1 grasping part in regular turn bunchiness, and be with 420 feed speeds greater than the plastic cup charging rate because of wheel send, wait charging and plastic cup is chased after fold in the porch.

Effect statement as back that institute of the movable moulding plastics rim of a cup of the utility model crimping mechanism expectability is reached:

After start, three cylinders 110,120,130 driven by chain 170 and synchronously and constant speed rotate, heating component 3 makes cylinder surface remain in predetermined temperature, in the time will processing the plastic cups of different bores, as long as rotation hand wheel 250, can change the grasping part size of cylinder group 1, simple and easy quite rapidly, then, the conveyer belt 420 of feeding mechanism 40 places bunchiness the plastic cup of V-type guide groove 410, be pushed into the porch of cylinder grasping part, plastic cup is promptly brought into by the cylinder screw thread, rotates and moves along the hand of spiral rotation with cylinder, and its rim of a cup contacts with cylinder and is subjected to thermal softening, simultaneously because of screw thread is to be to shoal gradually the plastics rim of a cup is moved while changeing and to be pressed towards interior bending, arrival other end exit promptly forms arc edge.

In sum, the disclosed technological means of this case utility model embodiment, its synchronous adjusting mechanism is provided with, and makes when adjusting the cylinder grasping part quite simple and easyly, and heating element heater of the present utility model can be given full play to its effectiveness with simple construction; So the utility model is very practical really.

Claims

1, a kind of movable moulding plastics rim of a cup crimping mechanism comprises drum assembly, two groups of synchronous adjusting mechanisms, heating component, motor and feeding mechanisms; Drum assembly is that parallel its facing surfaces is formed with grasping part side by side by three cylinders, and cylinder surface is provided with by dark gradually shallow constant worm pich, and three cylinders are also done constant speed and rotation in the same way by the transmission of sprocket wheel and chain; It is characterized in that:

2, according to the described movable moulding plastics rim of a cup crimping of claim 1 mechanism, it is characterized in that: heating component is to be located at three non-conterminous outer surfaces of cylinder of drum assembly position respectively, comprises one group of electrothermal tube and arc reflector.

3, according to the described movable moulding plastics rim of a cup crimping of claim 1 mechanism, it is characterized in that: feeding mechanism comprises the conveyer belt in V-type guide groove and pile warp V-type guide groove Cheng Na space, conveyer belt places the plastic cup of V-type guide groove to be advanced into the inlet of drum assembly grasping part in regular turn bunchiness by motor drives.

4, according to the described movable moulding plastics rim of a cup crimping of claim 1 mechanism, it is characterized in that: the stack shell of three its feed ends of cylinder of drum assembly is the gradually little guiding conical surface of external diameter.