CN206031927U - Flattening device seals in antiseized company - Google Patents

Abstract

The utility model discloses a flattening device seals in antiseized company, the film bags carries bench side and below to be equipped with two hot knife pressing plate, platform middle part and direction of delivery vertically opening part are carried at the film bags to relative setting of hot knife pressing plate, install on the fixed bolster through guider respectively at hot knife pressing plate both ends, the side is equipped with cooling part respectively around the hot press unit, the cooling shaping knife fix on the cutting board support, cutting board support bottom is on a parallel with the film bags and carries the platform to be equipped with flattening bar, cooling shaping knife fixes on the montant of cutting board support through the direction slider both sides. The utility model discloses a device makes the film bags both sides receive very big pressure simultaneously, can seal in 0.3s, can not take place the ageing phenomenon that excessive plastify leads to, also can not reduce the speed of production, the hot knife pressing plate contact time overlength with high temperature has been avoided, and the sack of film bags can and flatten by rapid cooling under cooling shaping knife's quick cooling action, has guaranteed the regular of sack shape, can not take place the plastify and the damage excessively appear.

Description

Anti seals pressuring flat device

Technical field

This utility model is related to a kind of anti sealing pressuring flat device, belongs to plastic preparation field.

Background technology

In plastic film bag manufacturing process, bag mouth back cover is a very crucial link, and the quality of sealing determines modeling Can material bag film bear enough weight and have sufficiently long service life, and current plastic film bag sealing is adopted mostly Hot sealing process, with the continuous improvement of manufacturing process and the market demand, current monolayer film thickness can reach 30, And the inserting side bag in plastic is even more and requires 4 layers while welding, difficult to realize disposable using sealing machine conventional on the market It is complete to seal, it is easy to bag mouth tear phenomenon during use；In order to solve this problem, conventional method is prolongation one The time of secondary heat-sealing, but this greatly reduces speed of production, while bag film bag mouth is easily adhered on sealing machine, contact It is of long duration to be easy to make plastic bag excessively plastify, and seal after bag mouth due to heated weld occur unavoidably deformation, not only Make product unsightly carefully and neatly done, and also the condition of high temperature can be in for a long time after welding, further extend fusion time, reduce The service life of product, accelerated ageing.

The content of the invention

For the problem that above-mentioned prior art is present, the purpose of this utility model is to provide one kind can not affect production Super thick bag film seal quality is ensure that in the case of speed, is not in deformation, it is ensured that product carefully and neatly done, guarantee plastics attractive in appearance The anti sealing pressuring flat device that bag excessively will not be plastified.

For achieving the above object, the technical solution adopted in the utility model is：A kind of anti seals pressuring flat device, including Bag film transport platform, is provided with hot-press arrangement in the middle part of the bag film transport platform, the hot-press arrangement includes being respectively provided at bag film Two pieces of hot pressing knife plates above and below transport platform, the hot pressing knife plate are oppositely arranged in the middle part of bag film transport platform and conveying side To at vertical opening, and hot pressing knife plate is all vertical with bag film conveying direction, and the blade of the hot pressing knife plate is perpendicular to thin film Bag transport platform, the hot pressing knife plate two ends are arranged on fixed support by guider respectively；Side difference before and after hot-press arrangement Cooling-part is provided with, and the cooling-part includes the coldplate parallel with hot pressing knife plate, elastic component fixed on the coldplate；Institute State hot-press arrangement and be provided with cooling flattening device in front of bag film transport platform, the cooling flattening device includes cooling and shaping Knife, the cooling and shaping knife are fixed on knife plate support, and knife plate support is fixed in bag film transport platform, and knife plate frame bottom is put down Row is provided with pressing bar in bag film transport platform, and the plane that the cooling and shaping knife is located is vertical with bag film conveying direction, cooling Sizing knife both sides are fixed on the montant of knife plate support by guide runner, and the blade of cooling and shaping knife is towards the table for flattening bar Face.

Preferably, the elastic component is spring, and spring is parallel with hot pressing knife plate, and two ends are separately fixed at coldplate two End.

Preferably, the material of the hot pressing knife plate is heat resistant copper alloy.

Preferably, the guider includes being located at the guide pad of hot pressing knife plate side, and the guide pad cooperation is set in On the vertical fixed guide rail of its homonymy.

Preferably, the guide pad is by air cylinder driven.

Further, the surface for flattening bar is posted with textured heat-resisting fabric.

Preferably, coolant is connected with inside the cooling and shaping knife.

Preferably, the montant of the knife plate support both sides is respectively by gear and the tooth for being arranged on bag film transport platform both sides Bar is engaged.

Device of the present utility model direct hot-press sealed on a production line, can from upper and lower both sides extrusion film bag simultaneously, The upper and lower both sides of bag film are simultaneously subjected to large compressive, while moment heats up so as to plasticizing occurs at short notice simultaneously fast rapid-result Type, can complete capping processes in 0.3s, and seal quality is good, as speed of welding is fast, caused by excessively plasticizing will not occur Catabiosis, will not also reduce speed of production；As bag film is pushed down by elastic component, bag film will not stick to hot pressing knife plate On blade, it is to avoid with the hot pressing knife plate of high temperature time of contact long；And the bag mouth of bag film is in the fast quickly cooling of cooling and shaping knife But act on it is lower can be by fast cooling and pressing, it is ensured that bag-shape it is regular, will not plastify.

Description of the drawings

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

Fig. 2 is the schematic diagram of this utility model hot-press arrangement；

In figure, 10. bag film transport platform, 11. openings, 20. hot-press arrangements, 21. hot pressing knife plates, 31. heating plates, 41. lead To block, 42. fixation guide rails, 51. coldplates, 52. elastic components, 60. bag films, 61. cooling and shaping knives, 611. guide runners, 62. Knife plate support, 621. montants, 622. flatten bar, 63. gears, 64. tooth bars.

Specific embodiment

Below in conjunction with the accompanying drawings this utility model is described in further detail.

As illustrated, a kind of anti seals pressuring flat device, including bag film transport platform 10, the bag film transport platform 10 Middle part is provided with hot-press arrangement 20, the hot-press arrangement 20 include two pieces be respectively provided above and below bag film transport platform 10 it is hot Hold(ing)-down clip 21, the hot pressing knife plate 21 are oppositely arranged at opening 11 vertical with conveying direction in the middle part of bag film transport platform 10, And hot pressing knife plate 21 is all vertical with bag film conveying direction, the blade of the hot pressing knife plate 21 perpendicular to bag film transport platform 10, 21 two ends of hot pressing knife plate are arranged on fixed support by guider respectively；Before and after hot pressing knife plate 21, side is located at bag film Cooling-part is respectively equipped with transport platform 10, and the cooling-part includes the coldplate 51 parallel with hot pressing knife plate 21, described cold But elastic component 52 is fixed on plate 51；The hot-press arrangement 20 is provided with cooling flattening device, institute along the front of bag film transport platform 10 Stating cooling flattening device includes cooling and shaping knife 61, and the cooling and shaping knife 61 is fixed on knife plate support 62, knife plate support 62 It is fixed in bag film transport platform 10,62 bottom of knife plate support is provided with pressing bar 622 parallel to bag film transport platform 10, described cold But the plane that knife 61 of shaping is located is vertical with bag film conveying direction, and 61 both sides of cooling and shaping knife are fixed by guide runner 611 On the montant 621 of knife plate support 62, and the blade of cooling and shaping knife 61 is towards the surface for flattening bar 622.

During use, heating plate 31 is heated for hot pressing knife plate 21, and bag film 60 is laid in bag film transport platform 10, from cooling Pass through between plate 51 and elastic component 52, and the conveying direction along bag film transport platform 10 is moved；When reaching the position of sealing, top The guider of hot pressing knife plate 21 move down, while drive the guider of the hot pressing knife plate 21 of lower section to move up, from And upper and lower 21 relative movement of hot pressing knife plate is made, from upper and lower both sides simultaneously extrusion film bag 60, bag film is received both sides about 60 simultaneously To very big pressure, while moment intensification so as to which plasticizing rapid shaping occur at short notice, can complete to seal in 0.3s Make a slip of the tongue journey, seal quality is good, as speed of welding is fast, catabiosis caused by excessively plasticizing will not occur；After sealing is finished, on The action in the opposite direction respectively of the hot pressing knife plate 21 of side and lower section, as bag film 60 is pushed down by elastic component 52, bag film 60 Sealing part can be separated with the blade of hot pressing knife plate 21 due to the restriction of elastic component 52, will not stick to the blade of hot pressing knife plate 21 On, it is to avoid long with hot pressing knife plate 21 time of contact of high temperature there is plasticizing and excessively occur damaging, bag film continuation to In front course of conveying, coldplate 51 can be sealing part fast cooling, and when bag mouth reaches cooling flattening device, driver part is such as Under cylinder or oil cylinder etc. drive 611 slide downward of guide runner, cooling and shaping knife 61 quick under the drive of guide runner 611 Pressure, and contact with bar 622 is flattened, the bag mouth of bag film 60 is quickly flattened under the quick cooling effect of cooling and shaping knife 61, Further avoid excessively plastifying phenomenon.

Elastic component 52 can be using the part of number of different types, such as elastic rubber band；Preferably, it is soft in order to ensure resilience With, elastic force persistently, high temperature resistant, extend usage cycles, the elastic component 52 is spring, and spring is parallel with hot pressing knife plate 21, and two End is separately fixed at 51 two ends of coldplate.

Preferably, in order that hot-press arrangement will not be deformed upon in the course of the work, increase the service life, the hot pressing knife The material of plate 21 is heat resistant copper alloy.

Preferably, the guider includes being located at the guide pad 41 of 21 side of hot pressing knife plate, and the guide pad 41 coordinates It is set on the fixed guide rail 42 with its homonymy.

Preferably, in order to ensure enough thermal pressures, the guide pad 41 is by air cylinder driven.

Further, in order to the attractive in appearance and implementation specificationization for ensureing bag film sealing part is produced in batches, the pressing bar 622 Surface post with textured heat-resisting fabric.As the surface for flattening bar 622 is posted with textured heat-resisting fabric, bag film 60 Bag mouth can be suppressed same decorative pattern by unification, make 60 sealing part of bag film more attractive in appearance, implementation specificationization batch production.

Preferably, coolant is connected with inside the cooling and shaping knife 61.

Further, the montant 621 of 62 both sides of knife plate support is respectively by gear 63 and installed in bag film conveying The tooth bar 64 of 10 both sides of platform is engaged.Can according to processing different size bag film need move knife plate support 62, change knife plate Position of the support 62 in bag film transport platform 10, so that adapt to the bag film of different length.

Claims (8)

1. a kind of anti seals pressuring flat device, including bag film transport platform, it is characterised in that in the middle part of the bag film transport platform Hot-press arrangement is provided with, the hot-press arrangement includes being respectively provided at two pieces of hot pressing knife plates above and below bag film transport platform, institute State hot pressing knife plate to be oppositely arranged at opening vertical with conveying direction in the middle part of bag film transport platform, and hot pressing knife plate all with thin film Bag conveying direction is vertical, and perpendicular to bag film transport platform, the hot pressing knife plate two ends pass through the blade of the hot pressing knife plate respectively Guider is arranged on fixed support；Before and after hot pressing knife plate, side is located in bag film transport platform and is respectively equipped with cooling-part, institute Stating cooling-part includes the coldplate parallel with hot pressing knife plate, fixes elastic component on the coldplate；The hot-press arrangement is along thin Cooling flattening device is provided with front of film bag transport platform, and the cooling flattening device includes cooling and shaping knife, the cooling and shaping Knife is fixed on knife plate support, and knife plate support is fixed in bag film transport platform, and knife plate frame bottom is conveyed parallel to bag film Platform is provided with pressing bar, and the plane that the cooling and shaping knife is located is vertical with bag film conveying direction, and cooling and shaping knife both sides pass through Guide runner is fixed on the montant of knife plate support, and the blade of cooling and shaping knife is towards the surface for flattening bar.

2. anti according to claim 1 seals pressuring flat device, it is characterised in that the elastic component is spring, spring It is parallel with hot pressing knife plate, and two ends are separately fixed at coldplate two ends.

3. anti according to claim 1 seals pressuring flat device, it is characterised in that the material of the hot pressing knife plate is resistance to Hot copper alloy.

4. anti according to claim 1 seals pressuring flat device, it is characterised in that the guider includes being located at heat The guide pad of hold(ing)-down clip side, the guide pad coordinates to be set in be fixed on guide rail with the vertical of its homonymy.

5. anti according to claim 4 seals pressuring flat device, it is characterised in that the guide pad is by air cylinder driven.

6. anti according to claim 1 seals pressuring flat device, it is characterised in that post band in the surface of the pressing bar Textured heat-resisting fabric.

7. anti according to claim 1 seals pressuring flat device, it is characterised in that be connected with inside the cooling and shaping knife Coolant.

8. anti according to claim 1 seals pressuring flat device, it is characterised in that the montant of the knife plate support both sides Engaged with the tooth bar installed in bag film transport platform both sides by gear respectively.