CN2040491U - Overlapping device for covering edge - Google Patents

Abstract

The utility model provides an overlapping device for covering the edge which is a device that a cover covered the container protrudes the periphery outside the flange at the edge of the container mouth to overlap downwards. The device is under the state of the annular plane of the support bracket supporting the flange of the container. The inner cone section of the mould on the covering edge is pushed and pressed to upper side of the edge side of the outer peripheral of the annular plane by the edge of the cover, so as to make the edge of the cover overlap downwards.

Description

Overlapping device for covering edge

The present invention relates to be covered with the device of peripheral bead of the lid of container.

Fig. 4 illustrates cup-like containers C and is covered with the flat cover L of this container finish.The oral area edge of container C has flange F, and the external diameter of lid L is than big 1～2 millimeter of external diameter of flange F.The edge E of lid L has only that part of of difference of this two diameter to give prominence to outside flange F.Even the edge E as-is condition of lid L does not influence its function as the commodity lid, but in order to make exterior of commodity more attractive in appearance, is better with this edge E to Rolldown hem still.

Up to now, the known hemming device that lid edge is as shown in Figure 4 arranged.This device is when transmitting container C and lid L with conveyer 71, making the edge E that covers L enter along the section of this transmission route configuration is in the groove 73 of beader 72 of U-shaped, clamp this container C and lid L, make container C and lid L rotation with the side direction belt 74 that is arranged in the beader opposite, thereby the edge E with the bottom squeeze of groove 73 lid L makes edge E to Rolldown hem.Yet in this way, the edge E of lid L not necessarily must wherein often also have the person of scrolling up to last volume.

The objective of the invention is to provides a kind of hemming device that covers the edge for addressing the above problem.

According to the hemming device at lid of the present invention edge is that the lid that is covered with container is given prominence to periphery outside the edge of vessel port flange to the hemming device of Rolldown hem.This device is by container transporting device, and several parts such as crimping patrix and crimping patrix jacking system constitute.Wherein, container transporting device has container carrier, and this container carrier is intermittently driven, so that it stops at crimping position successively.Have vertical container patchhole on container carrier, the edge of the upper end open of this container patchhole makes the planar annular of supporting container flange, and the outside on this plane is lower than this plane.Intersection in this planar annular and its outside does not have seamed edge.The crimping patrix can free lifting, and it is configured in the container carrier top that stops at crimping position, and has from the top over against the downward inner cone section of seamed edge.When crimping patrix jacking system descends the crimping patrix,, the inner cone section of patrix is pressed on the seamed edge by the edge of lid.

If use the present invention, the inner cone section by making the crimping patrix is by the seamed edge of the edge pushing container carrier of lid, so that this peripheral bead, thereby the inconsistent of crimping direction avoided really to Rolldown hem in the edge that can realize making lid.

Fig. 1～3 are depicted as the embodiment of this programme.Fig. 1 is the cutaway view that the I-I line along Fig. 3 amplifies.Fig. 2 is a front view.Fig. 3 is the cutaway view of the III-III line along Fig. 2.Fig. 4 is with container and covers the example of the prior art of expression in the lump.

Below, illustrated with reference to Fig. 1～3 pair embodiments of the invention.

At this, so-called " front and back " are defined as: be called " preceding " with the end that container is transmitted (direction of representing with arrow A in Fig. 3) that will illustrate hereinafter forward, the other end opposite with it is called " back ".So-called " about " be defined as: with in the face of be called about " rear portion " " about ".

Container transporting device 11 is shown in Fig. 1 and 2.It is the flat conveyer that intermittently drives, and this flat board is a container carrier 12. Pillar 13,14 stands on the both sides of the container carrier 12 that stops at crimping position respectively, and 15 on top board is in the upper end of pillar 13,14 and fixed.Pair of right and left horizon bar 16 is installed in the upper surface of top board 15.The horizontal fixed plate 18 that can freely swing at fore-and-aft direction is being suspended at two ends by these two horizon bars 16 in midair by two pairs of parallel connecting rods 17.At the middle body of adapter plate 18 hydraulic actuating cylinder 19 of downward effect is housed, lifter plate 22 one longer, rectangle at left and right directions, level is housed in the lower end of its plunger rod 21.On lifter plate 22, separated by a distance on left and right directions two guide pillars 23 are housed vertically; Guide pin bushing 24 is housed below adapter plate 18; Guide pillar 23 inserts in the guide pin bushing 24 and can be free to slide.In addition, below lifter plate 22, on its length direction, hanging four hemming devices 25 side by side; Simultaneously, a pair of registration device 26 in the outer side mounting of two hemming devices 25 of that of at both ends.In addition, below container carrier 12, horizonal base plate 27 straddles the lower end of left and right sidesing pillar 13,14, and is fixed.Bearing bracket 28 is contained on this horizonal base plate 27.

In detail the expression, container carrier 12 has container patchhole 31 as Fig. 1 institute, and its number and four hemming devices 25 are corresponding also to be four.The identical planar section 32 of shape under making with the flange of container C around the container patchhole 31 of container carrier 12 upper surfaces; The outside of planar section 32 is done lowlyer than this planar section 32 simultaneously; And make seamed edge 33 at the planar section 32 and the intersection of its Outboard Sections.

Hemming device 25 has following a few part: be configured in the crimping patrix 41 of container carrier 12 tops that stop at crimping position, be contained in the temperature booster 42 and the cover plate 43 that covers temperature booster 42 of the upper surface of crimping patrix 41.Crimping patrix 41 is a hood-like thing.The bottom of the inner headed face of its sidewall 44 makes downward inner cone section 45, so that when hemming device 25 descends together along with lifter plate 22, the seamed edge 3333 of pressure bracket 12 is held in these inner cone section 45 pushings.Have centre hole 47 on the roof 46 of crimping patrix 41, temperature booster 42 has with this centre hole 47 corresponding to centre holes 48.In the centre of cover plate 43 guide 49 is housed, make its pass cover plate 43 and by the there hang down in the centre hole 48 of temperature booster 42.Its upper part is projected into the top of guide 49 in the vertical rod 51 insertion guides 49, and stopper 52 is fixed on this outshot.The pushing cover 53 of shallow cap shape is fixed on the end portion of vertical rod 51.Compression coil spring 54 is sleeved on the outside of vertical rod 51, between guide 49 and pushing cover 53.With the peripheral trisection of cover plate 43 load onto guide rod 55 everywhere respectively vertically, its upper part perforation lifter plate 22 is given prominence to above this lifter plate, stopper 56 is fixed on this outshot.In addition, compression coil spring 57 is sleeved on the outside of guide rod 55, between lifter plate 22 and cover plate 43.

Registration device 26 has vertical shaft-like align member 61 and tabular bearing support 62.This bearing support 62 is contained on the lifter plate 22 vertically downward, and supporting align member 61 makes it can free lifting.Align member 61 is made up of diameter bigger bottom 63 and diameter small upper 64 two parts.Bearing support 62 is passed in the bottom 63 that diameter is bigger, and can be free to slide, and outer cone section 65 is made in its lower end.On the other hand, make the recess 66 that cooperates with this outer cone section 65 in the end of container carrier.The upper part of diameter small upper 64 can be passed lifter plate 22 with being free to slide and give prominence to above it, and stopper 67 is fixed on this outshot.Spring perch 68 is contained in the intersection of bigger bottom of diameter 63 and diameter small upper 64.Compression coil spring 69 is sleeved on the outside of diameter small upper 64, between spring perch 68 and lifter plate 22.

Container carrier 12 1 stops at crimping position, just makes hydraulic cylinder works, and lifter plate 22 just descends.So, at first, the outer cone section 65 of align member 61 just injects the recess 66 of carriage 12, thereby has limited the swing of adapter plate 18, makes the mutual alignment relation between carriage 12 and the crimping patrix 41 keep certain.Subsequently, downwards the inner cone section 45 of the crimping patrix 41 of operation just is bearing on the edge E of lid L of the container C in the carriage 12.Because spring 57 under pressure, flexibly is pressed on the seamed edge 33, thereby makes this edge E to Rolldown hem.At this moment, in advance crimping patrix 41 is heated always with temperature booster 42, and pushing cover 53 flexibly is pressed to and covers on the L under the pressure effect of spring 53.Because the heating of temperature booster 42, the state after helping making the edge E of the lid L that has been crimped to keep being crimped.

Crimping operation one finishes, and crimping patrix 41 is risen.When the inner cone section 45 of crimping patrix 41 was left seamed edge 33, lid L was in the state that is clamped in inner cone section 45; Along with the rising of crimping patrix 41, container C and lid L also will be brought up together.But pushing cover 53 can prevent that this phenomenon from taking place.

Claims (6)

1, a kind of lid that will be covered with container is given prominence to periphery outside the flange at container finish edge to the device of Rolldown hem, it is characterized in that comprising:

Container transporting device, it has container carrier, this container carrier is intermittently driven, so that it stops at crimping position successively, on container carrier, have vertical container patchhole, the planar annular of mounting flange is made at the upper end open edge of container patchhole, and the outside on this plane is done lowlyer than planar annular, and the intersection in this planar annular and its outside does not have seamed edge;

The crimping patrix, it can free lifting, is configured in the top of the container carrier that stops at crimping position, and has from the top over against the downward inner cone section of seamed edge;

Crimping patrix jacking system when the crimping patrix descends, is pressed on the seamed edge by the inner cone section of the edge that covers with patrix.

2, device according to claim 1 is characterized in that: the crimping patrix is made an integral body, and it is made up of the vertical sidewall of making the inner cone section in the bottom of inner headed face and the horizontal top wall that is positioned at sidewall upper, at the upper surface of roof temperature booster is housed.

3, device according to claim 2, it is characterized in that: temperature booster is made the vertical tubular with centre hole, have centre hole on the roof of crimping patrix with heater center hole unanimity, vertical guide inserts in the centre hole of temperature booster, and be assemblied on the temperature booster by retaining element, over against the inner headed face of crimping patrix be equipped with can knee-action pushing cover, vertical rod is contained in the pushing cover vertically, and the centre hole by crimping patrix roof inserts in the guide, and its upper end is given prominence to above guide, stopper is fixed on the top outshot of this vertical rod, and compression coil spring is sleeved on the outside of vertical rod, between pushing cover and guide.

4, device according to claim 2, it is characterized in that: above temperature booster, the lifter plate of one level is set at a certain distance, guide rod is contained in the temperature booster vertically, it is outstanding above it that lifter plate is passed in the upper part of guide rod, stopper is fixed on the top outshot of this guide rod, and compression coil spring is sleeved on the outside of guide rod, between temperature booster and lifter plate.

5, device according to claim 4, it is characterized in that: the plunger rod of the hydraulic actuating cylinder of effect is connected on the lifter plate downwards, this hydraulic actuating cylinder is contained on the adapter plate, and adapter plate is contained in the top of lifter plate at a certain distance, is bearing in by bearing set on the framework of this hemming device

6, device according to claim 5, it is characterized in that: this bearing set has two pairs of parallel rods that can suspend adapter plate on the direction of transfer of conveyer in midair with freely swinging, registration device is installed on lifter plate, and this registration device is made up of vertical shaft-like align member, stopper and spring; Wherein, shaft-like align member can be bearing on the bearing support that is installed on the lifter plate free lifting, and lifter plate is passed in its upper part, and outstanding from the top of lifter plate, and its lower end has the outer cone section, and stopper is fixed on the top outshot of align member; Spring gives the location member with downward pressure; Be processed with recess on container carrier, when lifter plate descended, this recess matched with the outer cone section of align member.

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