CN204773778U - Rotation type hot knife of institutional advancement - Google Patents

Abstract

The utility model provides a rotation type hot knife of institutional advancement, includes a second support body, install rotary part power supply unit on the second support body, rotationally install the rotation axis on the second support body, an at least fixed mounting in the epaxial electric heat stripping and slicing of this rotation and with fixed mounting in the epaxial driving medium of this rotation and be used for driving this driving medium pivoted no. 1 drive unit, be provided with the unit that generates heat in the electric heat stripping and slicing, generate heat the unit with rotary part power supply unit electricity is connected. The utility model discloses not only degree of automation is high, improves labor efficiency, saves follow -up process of carrying out the rim charge excision, owing to drag material and rotation to accomplish through mechanical fits, can guarantee like this that the whole piece side is in straight state moreover, reduces the error that manual operation brought, is favorable to improving the quality of the wrapping bag that makes, and the product uniformity is good, the standardization level height.

Description

The rotary-type thermal cutting knife that a kind of structure is improved

Technical field

The utility model relates to Bag Making Machine technical field, refers in particular to the rotary-type thermal cutting knife that a kind of structure is improved.

Background technology

Bag Making Machine is exactly the machine making various plastic packaging bag or other materials packaging bag, and its range of work is the packaging bag of plastics that all size thickness specification is different or other materials, is in general major product with plastic packaging bag.Along with improving constantly of internal people's living standard, bring infinite commercial opportunities to plastic flexible package industry, plastic flexible package Bag Making Machine is also thereupon flourish.

For now, carry out production and processing to packaging bag now generally to need first to be cut by the both sides of machine by bag membrane, make the width of bag membrane consistent with for obtained bubble bags width, then utilize horizontal sealing parts to carry out horizontal heat sealing to the bag membrane in course of conveying, so just complete the processing to packaging bag four limits.

Chinese invention patent application (application number: 201220231287.5) disclose a kind of plastic flexible package Bag Making Machine trimming device, it can recycle the utility model after first heat sealing and be excised by unnecessary rim charge in the production process of middle envelope, the rim charge of excision utilizes crimping machine to gather, and can reduce point cutting process in the production technology of envelope in plastic flexible package.Above to bag membrane carry out both sides cut not only need cost certain working procedure carry out, can cause extend the production time, be unfavorable for enhancing productivity; And first seal trimming more also can to improving the burden of horizontal heat sealing work, and independently carry out trimming not only labour intensity greatly, and error rate is high, and then cause the packaging bag percent defective that obtains high, the uniformity of product is poor.

Utility model content

The rotary-type thermal cutting knife that the utility model provides a kind of structure to improve, its main purpose is to overcome the defect that production efficiency is low, labour intensity is large, error rate is high and product quality is poor existed in existing Bag Making Machine trimming process.

For solving the problems of the technologies described above, the utility model adopts following technical scheme:

The rotary-type thermal cutting knife that a kind of structure is improved, comprise one second support body, the rotary part power supply unit be installed on the second support body, the rotating shaft be rotatably installed on the second support body, at least one be fixedly installed in electric heating stripping and slicing on this rotating shaft and with the driving member be fixedly installed on this rotating shaft and one first driver element for driving this driving member to rotate, described electric heating stripping and slicing is provided with a heat-generating units, and described heat-generating units is electrically connected with described rotary part power supply unit.

Further, described electric heating stripping and slicing comprises a cylindrical metallic heating body and to be stretched out the ringwise metal cutting sheet formed by the sidewall one of this metallic heating body.

Further, described metallic heating body offers the accommodating hole that at least one is axial arranged, described heat-generating units is the thermal resistance of corresponding inserted in each accommodating hole.

Further, described metallic heating body offers a pilot hole, described rotating shaft is fixedly installed on described pilot hole.

Further, described rotary part power supply unit comprises one and is fixedly installed in the annular current collector on described rotating shaft, the arc brush being connected to this annular current collector upper end and the electric supply installation be electrically connected with this arc brush, and described thermal resistance is electrically connected with described annular current collector by least one electric lead.

Further, described second support body is also provided with at least one bearing for installing and support described rotating shaft.

Compared to the prior art, the beneficial effect that the utility model produces is:

1, the utility model structure is simple, practical, due in process of production, need expanded polyethylene foam film or bubble chamber film to drag to below horizontal sealing parts to carry out horizontal heat sealing, thus the applicant is by arranging described rotary cutter, work can be cut carrying out realizing carrying out side to expanded polyethylene foam film or bubble chamber film in the process of traction to expanded polyethylene foam film or bubble chamber film simultaneously like this, so not only automaticity is high, raise labour efficiency, save follow-up operation of carrying out rim charge excision, and due to material drag with to rotate be earnestly all completed by mechanical fit system, can ensure that whole piece side is in straightened condition like this, reduce the error that manual operation brings, be conducive to the quality improving obtained packaging bag, good product consistency, standardization level is high.In addition, the utility model, by heat sealing horizontal after first cutting edge, can reduce the burden of horizontal sealing parts like this, be conducive to improving horizontal heat sealing, and the slitter edge dismissed can be collected, can be highly improved by producing level.

2, in the utility model; by arranging the second driver element; rotary cutter can be raised up; can not have any impact to below expanded polyethylene foam film or bubble chamber film when shutting down like this; user also can according to self-demand simultaneously; can carry out unrestricted choice to not needing to carry out rim charge excision, thus the utility model can be more flexible in use.

3, in the utility model, become to have been come by the electric heating stripping and slicing of rotary motion by the organization establishes that rim charge is excised, because electric heating stripping and slicing is in rotary course, the position contacted with expanded polyethylene foam film or bubble chamber film all changes, thus same position can be avoided to cause the change of cutting performance because continuing to contact with expanded polyethylene foam film or bubble chamber film, not only be conducive to improving sealing quality, and can effectively avoid expanded polyethylene foam film or bubble chamber film to occur combustion case, eliminate safe hidden trouble.

4, in the utility model, be metallic heating body and ringwise metal cutting sheet by electric heating stripping and slicing being arranged to by cylindrical shape, be conducive to like this ensureing heating diffusion evenly, each position temperature on metal cutting sheet is reached unanimity, and in rotation cutting process, electric heating stripping and slicing weight can be improved, reduce the impact that external resistance is cut it.

5, in the utility model, plug thermal resistance by arranging accommodating hole and coordinating, both can facilitate the disassembling operations of heating element heater like this, the stability of heating can be improved again.

6, in the utility model, by arranging annular current collector and arc brush coordinates, can realize powering to rotary part, not only method structure is simple, can avoid the fault in production caused because of coiling problem in rotary course.

Accompanying drawing explanation

Fig. 1 is the structural representation of rotary heat-sealing hot-press arrangement in embodiment.

Fig. 2 is the structural representation of cutting assembly in embodiment.

Fig. 3 is the structural representation of rotary cutter in embodiment.

Fig. 4 is the enlarged diagram at A place in Fig. 1.

Fig. 5 is the top view in wind conveying pipe road in embodiment.

Detailed description of the invention

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.A kind of structure improved rotary heat-sealing hot-press arrangement 6, comprise for drag conveying assembly 61 that expanded polyethylene foam film or bubble chamber film 60 walk, for place expanded polyethylene foam film or bubble chamber film 60 supply assembly 62 and for carrying out the fervent cutting assembly of hot pressing 63 at least one side of expanded polyethylene foam film or bubble chamber film 60, described cutting assembly 63 comprises a frame, rotary cutter 64, the rotary part power supply unit 65 and be rotatably installed in this frame drives this rotary cutter 64 to carry out the first driver element 66 rotated, and described first driver element 66 is a motor.Described rotary cutter 64 arranges heat-generating units, and this heat-generating units is electrically connected with described rotary part power supply unit 65, and described rotary cutter 64 is arranged between described conveying assembly 61 and supply assembly 62, and is positioned at the top of expanded polyethylene foam film or bubble chamber film 60.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.Described frame comprises the first support body 67 and can slide up and down to the second support body 68 of being installed on this first support body 67, described first support body 67 is provided with the second driver element 670 for driving the second support body 68 to be elevated, described second driver element 670 is a cylinder being installed on the first support body 67 top.Described rotary cutter 64 is rotatably installed on this second driver element 670, and can be moved to the second place by primary importance along with the lifting of the second support body 68, when described rotary cutter 64 is positioned at primary importance, gap together with described rotary cutter 64 leaves with expanded polyethylene foam film or bubble chamber film 60, when described rotary cutter 64 is positioned at the second place, described rotary cutter 64 is connected on expanded polyethylene foam film or bubble chamber film 60.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.Described rotary cutter 64 comprise the rotating shaft 640 be rotatably installed on the second support body 68, at least one be fixedly installed in electric heating stripping and slicing 641 on this rotating shaft 640 and with the driving member 642 be fixedly installed on this rotating shaft 640, this driving member 642 is in transmission connection with described first driver element 66.Described electric heating stripping and slicing 641 comprises a cylindrical metallic heating body 643 and to be stretched out the ringwise metal cutting sheet 644 formed by the sidewall one of this metallic heating body 643, when described rotary cutter 64 is positioned at the second place, described metal cutting sheet 644 is connected on expanded polyethylene foam film or bubble chamber film 60.Described metallic heating body 643 offers a pilot hole 645 and accommodating hole 646 that at least one is axial arranged, described heat-generating units is the thermal resistance 647 of corresponding inserted in each accommodating hole 646, and described rotating shaft 640 is fixedly installed on described pilot hole 645.Described second support body 68 is also provided with at least one bearing 680 for installing and support described rotating shaft 640.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.Described rotary part power supply unit 65 comprises one and is fixedly installed in the annular current collector 650 on described rotating shaft 640, the arc brush 651 being connected to this annular current collector 650 upper end and the electric supply installation 652 be electrically connected with this arc brush 651, and described thermal resistance 647 is electrically connected with described annular current collector 650 by least one electric lead 653.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.At least one pressing assembly 69 is also provided with between described cutting assembly 63 and described conveying assembly 61, this pressing assembly 69 comprises the stitching wheel 691 that a guide roller 690 and two is arranged at these guide roller 690 both sides, the pressing gap 692 of expanded polyethylene foam film or bubble chamber film 60 process is supplied together with leaving between this stitching wheel 691 with guide roller 690, when expanded polyethylene foam film or bubble chamber film 60 at least one side by described rotary cutter 64 earnestly after, and when described pressing gap 692, described stitching wheel 691 abuts and compresses the side of expanded polyethylene foam film or bubble chamber film 60 earnestly, thus complete heat pressing action.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.Rotary heat-sealing hot-press arrangement 6 also comprises a towing device 7 above, this towing device 7 comprises a blasting unit 70, one wind conveying pipe road 71 and scratch tape stacking place 72, the one end in described wind conveying pipe road 71 is communicated in the air outlet of described blasting unit 70, the other end is communicated in described scratch tape stacking place 72, sidewall one place in described wind conveying pipe road 71 offers a charging aperture 74 entered for confession scratch tape 73, described wind conveying pipe road 71 is provided with wind isolation board 75 at this charging aperture 74 towards the inwall top position of blasting unit 70 side, the internal wall separates in described wind conveying pipe road 71 is become one first air channel 76 by this wind isolation board 75, one second air channel 77 and being positioned at below wind isolation board 75 and an air draft gap 78 for being communicated with the first air channel 76 and the second air channel 77.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.Described charging aperture 74 be a width slightly larger than scratch tape 73 width a crescent breach, the circular arc notch 740 that the side of this crescent breach is wind conveying pipe road 71 described in perpendicular cuts, the opposite side of this crescent breach is an ellipse arc notch 741 extended obliquely towards blasting unit 70 direction by described circular arc notch 740 lower end.Described air draft gap 78 is arc air draft gap 78, and described wind conveying pipe road 71 is downward-sloping towards scratch tape 73 stacking 72 position by blasting unit 70 position.Described blasting unit 70 is for being electrically connected on an air blast of civil power.

In addition, an electric heat cutter can also be provided with between described rotary cutter 64 and pressing assembly 69, the cutter head of this electric heat cutter is connected to the lower surface of expanded polyethylene foam film or bubble chamber film 60, its cut direction is just in time contrary with rotary cutter 64, by above-mentioned setting, can improve and effect and cutting effect are pressed to the envelope of expanded polyethylene foam film or bubble chamber film 60, be conducive to improving the quality of products further.And this electric heat cutter can control lifting by a cylinder; upon power-up; cylinder controls this electric heat cutter and rises; be connected to the lower surface of expanded polyethylene foam film or bubble chamber film 60; when shutting down, cylinder controls this electric heat cutter and falls, and this electric heat cutter can be avoided to contact with expanded polyethylene foam film or bubble chamber film 60 for a long time; effectively avoid expanded polyethylene foam film or bubble chamber film 60 to occur combustion case, eliminate safe hidden trouble.

Compared to the prior art, the beneficial effect that the utility model produces is:

1, the utility model structure is simple, practical, due in process of production, need expanded polyethylene foam film or bubble chamber film 60 to drag to below horizontal sealing parts to carry out horizontal heat sealing, thus the applicant is by arranging described rotary cutter 64, work can be cut carrying out realizing carrying out side to expanded polyethylene foam film or bubble chamber film 60 in the process of traction to expanded polyethylene foam film or bubble chamber film 60 simultaneously like this, so not only automaticity is high, raise labour efficiency, save follow-up operation of carrying out rim charge excision, and due to material drag with to rotate be earnestly all completed by mechanical fit system, can ensure that whole piece side is in straightened condition like this, reduce the error that manual operation brings, be conducive to the quality improving obtained packaging bag, good product consistency, standardization level is high.In addition, the utility model, by heat sealing horizontal after first cutting edge, can reduce the burden of horizontal sealing parts like this, be conducive to improving horizontal heat sealing, and the slitter edge dismissed can be collected, can be highly improved by producing level.

2, in the utility model; by arranging the second driver element 670; rotary cutter 64 can be raised up; can not have any impact to below expanded polyethylene foam film or bubble chamber film 60 when shutting down like this; user also can according to self-demand simultaneously; can carry out unrestricted choice to not needing to carry out rim charge excision, thus the utility model can be more flexible in use.

3, in the utility model, become to have been come by the electric heating stripping and slicing 641 of rotary motion by the organization establishes that rim charge is excised, because electric heating stripping and slicing 641 is in rotary course, the position contacted with expanded polyethylene foam film or bubble chamber film 60 all changes, thus same position can be avoided because continuing to contact with expanded polyethylene foam film or bubble chamber film 60 and cause the change of cutting performance, not only be conducive to improving sealing quality, and can effectively avoid expanded polyethylene foam film or bubble chamber film 60 to occur combustion case, eliminate safe hidden trouble.

4, in the utility model, be metallic heating body 643 and ringwise metal cutting sheet 644 by electric heating stripping and slicing 641 being arranged to by cylindrical shape, be conducive to like this ensureing heating diffusion evenly, each position temperature on metal cutting sheet 644 is reached unanimity, and in rotation cutting process, electric heating stripping and slicing 641 weight can be improved, reduce the impact that external resistance is cut it.

5, in the utility model, plug thermal resistance 647 by arranging accommodating hole 646 and coordinating, both can facilitate the disassembling operations of heating element heater like this, the stability of heating can be improved again.

6, in the utility model, by arranging annular current collector 650 and arc brush 651 coordinates, can realize powering to rotary part, not only method structure is simple, can avoid the fault in production caused because of coiling problem in rotary course.

7, in the utility model, by arranging described pressing assembly 69, expanded polyethylene foam film or bubble chamber film 60 can after by electric heating strippings and slicings 641 earnestly, carry out normal temperature pressing rapidly, expanded polyethylene foam film or bubble chamber film 60 side can be made like this to seal completely, there will not be gas leakage gap, effectively ensure the quality of product.

8, in the utility model, by arranging blasting unit 70 and wind conveying pipe road 71 being offered a charging aperture 74, user can draw in this charging aperture 74 by completing the scratch tape after cutting edge 73, owing to arranging wind isolation board 75 near charging aperture 74, thus the wind that blasting unit 70 exports can only be blown out by air draft gap 78, thus changes air blast wind direction, makes wind-force be applied to the rear portion of scratch tape 73, one thrust is forward produced to scratch tape 73, and then completes the effect of scratch tape 73 being carried out to traction.Therefore, collect without the need to design to scratch tape 73 in the utility model and purchase Special Equipment, adopting air blast to carry out moderate improvement and just can realize above-mentioned functions, thus under the prerequisite meeting automated production, reduce equipment cost widely.

9, in the utility model, by arranging crescent breach, be conducive on the one hand reducing the frictional resistance of scratch tape 73 in traction process and between wind conveying pipe road 71, also scratch tape 73 can be made in traction process can to cover crescent breach on the other hand, thus the wind being conducive to reducing blasting unit 70 output discharge the wind loss caused by crescent breach as far as possible.

10, in the utility model, by adopting arc air draft gap 78, and the area in this arc air draft gap 78 is arranged to the area being less than described wind isolation board 75, the wind direction that blasting unit 70 can be made to export like this is effectively controlled, thus the effect evenly dragging scratch tape 73 can be produced, thus can coordinate the spinning movement of electric heating stripping and slicing 641 and the drag action of conveying assembly 61 well.

Above are only detailed description of the invention of the present utility model, but design concept of the present utility model is not limited thereto, all changes utilizing this design the utility model to be carried out to unsubstantiality, all should belong to the behavior of invading the utility model protection domain.

Claims (6)

1. the rotary-type thermal cutting knife of a structure improvement, it is characterized in that: comprise one second support body, the rotary part power supply unit be installed on the second support body, the rotating shaft be rotatably installed on the second support body, at least one be fixedly installed in electric heating stripping and slicing on this rotating shaft and with the driving member be fixedly installed on this rotating shaft and one first driver element for driving this driving member to rotate, described electric heating stripping and slicing is provided with a heat-generating units, and described heat-generating units is electrically connected with described rotary part power supply unit.

2. the rotary-type thermal cutting knife that improves of a kind of structure as claimed in claim 1, is characterized in that: described electric heating stripping and slicing comprises a cylindrical metallic heating body and to be stretched out the ringwise metal cutting sheet formed by the sidewall one of this metallic heating body.

3. the rotary-type thermal cutting knife of a kind of structure improvement as claimed in claim 2, it is characterized in that: described metallic heating body offers the accommodating hole that at least one is axial arranged, described heat-generating units is the thermal resistance of corresponding inserted in each accommodating hole.

4. the rotary-type thermal cutting knife of a kind of structure improvement as claimed in claim 2, it is characterized in that: described metallic heating body offers a pilot hole, described rotating shaft is fixedly installed on described pilot hole.

5. the rotary-type thermal cutting knife of a kind of structure improvement as claimed in claim 3, it is characterized in that: described rotary part power supply unit comprises one and is fixedly installed in the annular current collector on described rotating shaft, the arc brush being connected to this annular current collector upper end and the electric supply installation be electrically connected with this arc brush, described thermal resistance is electrically connected with described annular current collector by least one electric lead.

6. the rotary-type thermal cutting knife of a kind of structure improvement as claimed in claim 3, is characterized in that: described second support body is also provided with at least one bearing for installing and support described rotating shaft.