CN210552976U - Lifting upper traction device for film blowing machine - Google Patents
Lifting upper traction device for film blowing machine Download PDFInfo
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- CN210552976U CN210552976U CN201921076846.8U CN201921076846U CN210552976U CN 210552976 U CN210552976 U CN 210552976U CN 201921076846 U CN201921076846 U CN 201921076846U CN 210552976 U CN210552976 U CN 210552976U
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Abstract
The utility model relates to a lifting upper traction device for a film blowing machine, which comprises an upper traction mounting frame, a flanging device and a lifting upper traction; the lifting upper traction is arranged on the upper traction mounting frame, and the edge folding device is arranged at the front end of the lifting upper traction; the height of the traction device is adjusted through a group of linkage lifting mechanisms, so that the cooling effect of the traction device is adjusted according to films of different materials or specifications; the angle between the two flat plates of the herringbone plate can be flexibly adjusted, so that the herringbone plate meets the production requirements of films made of different materials, and the films are prevented from being folded; the calendering roller and the front traction roller are adjusted through the cylinder joint, so that films with different thicknesses can be pulled by the calendering roller and the front traction roller, and the production requirements of the films with different thicknesses are further met; the device has simple structure and reasonable design, can meet the cooling production requirements of films of different materials and different specifications, and can simultaneously realize the production requirements of calendering and drawing the films with different thicknesses.
Description
Technical Field
The utility model relates to a draw gear on lifting for inflation film manufacturing machine belongs to film preparation technical field.
Background
The plastic film and the plastic bag have wide application in various fields, and have huge market demand; the film blowing machine is a main device in plastic film production, the film blowing machine is equipment for heating and melting plastic particles and then blowing the plastic particles into a film, and comprises a main frame, an extrusion device, a traction device, a heating device, a cooling device and a winding device, and the film blowing machine gradually moves towards large volume and high yield along with the continuous improvement of the requirement of industrial production on yield; the film needs to be cooled before entering a traction mechanism of the film blowing machine, and the cooling mode of the film is that air is blown by an air ring to cool the film, and is related to the height of the traction mechanism. The higher the height of the pulling mechanism, the longer the cooling time in air, and the better the cooling effect of the film. The height of the existing film blowing machine is fixed, the height of a traction mechanism cannot be adjusted, and films of different materials or specifications need different cooling time, so that the cooling production requirements of the films of different materials or specifications cannot be met; meanwhile, the traction mechanism of the existing film blowing machine cannot adjust the film which can only be used for traction and fixing the thickness, and the production requirements of films with different thicknesses cannot be met.
Disclosure of Invention
An object of the utility model is to overcome the above-mentioned not enough, provide a simple structure, reasonable in design, the film cooling production requirement of the different specifications of adaptable different materials can realize simultaneously that the film to different thickness mangles and the pulling draw gear goes up and down for the inflation film manufacturing machine of production requirement.
The purpose of the utility model is realized like this:
a lifting upper traction device for a film blowing machine comprises an upper traction mounting frame, a flanging device and a lifting upper traction; the lift is gone up and down to draw and is installed on last traction mounting bracket, the hem device is installed in the front end of going up and down to draw, its characterized in that: the lifting upper traction device comprises a lifting support, and the lifting support consists of a left vertical plate, a right vertical plate and a plurality of reinforcing rod rods between the two vertical plates; the left side and the right side of the inner side of the rear end of the upper traction mounting frame are respectively provided with two guide rods which are symmetrically arranged, the rear ends of the left vertical plate and the right vertical plate of the lifting support are respectively fixedly provided with a vertically arranged sleeve, and the sleeves are sleeved on the guide rods; two symmetrically arranged screw rod lifters are vertically and fixedly arranged on the inner side walls of the left side and the right side of the front end of the upper traction mounting frame respectively; a screw rod nut is arranged on a screw rod of the screw rod lifter, and the front ends of a left vertical plate and a right vertical plate of the lifting support are respectively fixedly connected to the screw rod nut; the upper traction mounting frame is provided with a servo motor, the servo motor is positioned between the two lead screw lifters, a transmission shaft of the servo motor is connected with a lead screw linkage shaft, two ends of the lead screw linkage shaft are respectively connected with the lead screw lifters on the left side and the right side, and the servo motor, the lead screw linkage shaft and the lead screw lifters form a group of linkage lifting mechanisms;
the lifting support is sequentially provided with a calendering roller, a fixed roller, a pressing roller and a front traction roller from front to back; the calendering roller and the fixed roller are arranged adjacently and are positioned above the edge folding device, and a gap is reserved between the calendering roller and the fixed roller; the front traction roller is arranged behind the fixed roller and is driven by a transmission motor arranged on the upper traction mounting frame, and a transmission shaft of the transmission motor is connected with the front traction roller through a belt; the compression roller is arranged above the front traction roller, and the roller surface of the compression roller is tightly attached to the roller surface of the front traction roller;
two adjacent long round holes which are positioned on the same straight line are respectively arranged on the left vertical plate and the right vertical plate of the lifting support along the length direction of the lifting support, the two long round holes on the same side form a long round hole group, and the long round hole groups on the left vertical plate and the right vertical plate are symmetrically arranged; the long circular holes are positioned right below the calendering roller and the fixed roller, and the gap between the two long circular holes corresponds to the gap between the calendering roller and the fixed roller; two fixing blocks are respectively arranged at two ends of the outer sides of the two long circular holes, and the two long circular holes are positioned between the two fixing blocks; an upper sliding rod and a lower sliding rod which are arranged along the length direction of the lifting support are arranged between the two fixed blocks, and the two sliding rods are positioned in the same plane; two adjacent sliding blocks are arranged on the sliding rods, the upper sliding rod and the lower sliding rod penetrate through the sliding blocks, and the sliding blocks slide along the sliding rods; each sliding block corresponds to one long round hole; mounting rods are arranged between the sliding blocks of the corresponding long circular hole groups on the left vertical plate and the right vertical plate of the lifting support, the mounting rods are rotatably connected with the sliding blocks, and the edge folding devices are mounted on the mounting rods; the edge folding device comprises a herringbone plate, the herringbone plate comprises two flat plates which are symmetrically arranged, and the top ends of the two flat plates are respectively and fixedly arranged on the corresponding mounting rods above the two flat plates;
the utility model relates to a lifting upper traction device for a film blowing machine, the front ends of a left vertical plate and a right vertical plate of a lifting support are respectively provided with an opening chute along the length direction, a fixed roller is fixedly arranged between the opening chutes at the two sides through a fixed block, a calendering roller is arranged between the opening chutes at the two sides in a sliding way, and the calendering roller is arranged adjacent to the fixed roller; the opening ends of the two open chutes are respectively and fixedly provided with a calendering cylinder along the length direction, telescopic rods of the two calendering cylinders are respectively and fixedly connected with two ends of a calendering roller, and the two calendering cylinders simultaneously stretch and drive the calendering roller to move back and forth;
the utility model relates to a draw gear on lifting for inflation film manufacturing machine, the compressing tightly cylinder of vertical setting is provided with respectively above the left and right ends of compressing tightly roller, compressing tightly cylinder fixed mounting is on the lift support, and the telescopic link of two compressing tightly cylinders respectively with the both ends fixed connection of compressing tightly roller, two compressing tightly cylinders stretch out and draw back simultaneously and drive compressing tightly roller and reciprocate;
the utility model relates to a lifting upper traction device for a film blowing machine, wherein, the opening sides of the two sides of a herringbone plate are respectively provided with a vertical plate, the vertical plate is positioned between two flat plates, and the vertical plate and the outer side edge of the flat plate are positioned on the same plane; the top ends of the vertical plates are fixedly arranged on the lifting support; the bottom of the outer wall of any vertical plate is provided with a fixed seat, a through screw hole is vertically arranged on the fixed seat, and a jacking screw rod is screwed in the screw hole; a lifting block is arranged above the jacking screw rod and is positioned on the outer side of the vertical plate; supporting rods are respectively arranged between the lifting block and the side edges of the two flat plates of the herringbone plate, one end of each supporting rod is hinged with the side edge of the flat plate, and the other end of each supporting rod is hinged with the lifting block; the top end of the jacking screw rod jacks and supports the bottom of the lifting block;
the utility model relates to a lifting upper traction device for a film blowing machine, wherein the inner sides of two vertical plates are respectively provided with a hemmer along the length direction, and the two hemers are symmetrically arranged; the cross section of the edge folding device is an isosceles triangle, two waists of the isosceles triangle respectively correspond to the two flat plates of the herringbone plate one by one, and the opposite folded edges of the two edge folding devices are gradually inclined and closed from bottom to top; the center line of the hemmer in the vertical direction, the center line of the herringbone plate in the vertical direction and the center line of the vertical plate in the vertical direction are collinear.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model adjusts the height of the traction device through a group of linkage lifting mechanisms, so that the cooling effect can be adjusted according to films of different materials or specifications; the angle between the two flat plates of the herringbone plate can be flexibly adjusted, so that the herringbone plate meets the production requirements of films made of different materials, and the films are prevented from being folded; the calendering roller and the front traction roller are adjusted through the cylinder joint, so that films with different thicknesses can be pulled by the calendering roller and the front traction roller, and the production requirements of the films with different thicknesses are further met; meanwhile, the edge folding device is arranged on the herringbone plate, when a bagged thin film is required to be produced, the film edge is folded directly in the traction process, the subsequent roll changing and edge folding again are not required, and the method is convenient and rapid; the device has simple structure and reasonable design, can meet the cooling production requirements of films of different materials and different specifications, and can simultaneously realize the production requirements of calendering and drawing the films with different thicknesses.
Drawings
Fig. 1 is the utility model discloses a draw gear overall structure sketch map on lifting for inflation film manufacturing machine.
Fig. 2 is the structure schematic diagram of the lifting upper traction device for the film blowing machine.
Fig. 3 is a partially enlarged schematic view of fig. 2.
Fig. 4 is the structure schematic diagram of the lifting upper traction device for the film blowing machine of the utility model.
Fig. 5 is the schematic view of the installation structure of the lifting upper traction device for the film blowing machine.
Fig. 6 is a schematic structural view of a folding device of a lifting upper traction device for a film blowing machine.
Fig. 7 is a cross-sectional view of the folding device of the lifting upper traction device for the film blowing machine.
Fig. 8 is a schematic view of the structure of the folder in fig. 7.
Wherein:
an upper traction mounting frame 102, a flanging device 3 and a lifting upper traction frame 4;
the herringbone plate comprises a herringbone plate 3.1, a vertical plate 3.2, a fixed seat 3.3, a tightening screw 3.4, a lifting block 3.5, a supporting rod 3.6 and a hemmer 3.7;
4.1 of lifting bracket, 4.2 of guide rod, 4.3 of screw rod lifter, 4.3.1 of lifter mounting seat, 4.4 of servo motor, 4.4.1 of screw rod linkage shaft, 4.5 of screw rod nut, 4.6 of calendering roller, 4.7 of fixed roller, 4.8 of calendering cylinder, 4.9 of pressing roller, 4.10 of front traction roller, 4.11 of pressing cylinder, 4.12 of transmission motor, 4.13 of long circular hole, 4.14 of fixed block, 4.15 of slide bar, 4.16 of slide block and 4.17 of mounting rod
Detailed Description
Referring to fig. 1 to 8, the lifting upper traction device for the film blowing machine of the present invention comprises an upper traction mounting frame 102, a folding device 3 and a lifting upper traction 4; the lifting upper tractor 4 is arranged on the upper tractor mounting frame 102, the edge folding device 3 is arranged at the front end of the lifting upper tractor 4, the film bubble is folded by the edge folding device 3, and the height of the tractor is adjusted by the lifting upper tractor 4;
the lifting upper traction device 4 comprises a lifting support 4.1, and the lifting support 4.1 consists of a left vertical plate, a right vertical plate and a plurality of reinforcing rod rods between the two vertical plates; the left side and the right side of the inner side of the rear end of the upper traction mounting frame 102 are respectively provided with two guide rods 4.2 which are symmetrically arranged, the rear ends of a left vertical plate and a right vertical plate of the lifting support 4.1 are respectively and fixedly provided with a vertically arranged sleeve, the sleeves are sleeved on the guide rods 4.2, and the rear end of the lifting support 4 is positioned by the guide rods and ascends and descends along the guide rods; two symmetrically arranged screw rod lifters 4.3 are vertically and fixedly arranged on the inner side walls of the left side and the right side of the front end of the upper traction mounting frame 102 respectively; a screw rod of the screw rod lifter 4.3 is provided with a screw rod nut 4.5, the front ends of a left vertical plate and a right vertical plate of the lifting support 4.1 are respectively and fixedly connected to the screw rod nut 4.5, and the front end of the lifting support 4.1 is driven by the screw rod lifter 4.3 to lift up and down; the upper traction mounting frame 102 is provided with a servo motor 4.4, the servo motor 4.4 is positioned between two screw rod lifters 4.3, a transmission shaft of the servo motor 4.4 is connected with a screw rod linkage shaft 4.4.1, two ends of the screw rod linkage shaft 4.4.1 are respectively connected with the screw rod lifters 4.3 on the left side and the right side, and the servo motor 4.4, the screw rod linkage shaft 4.4.1 and the screw rod lifters 4.3 form a group of linkage lifting mechanisms (specifically, the servo motor 4.4 simultaneously drives the screw rod lifters on the two sides to synchronously lift through the screw rod linkage shaft 4.3, so that the lifting support 4.1 is driven to lift up and down along a guide rod 4.2);
the lifting support 4.1 is sequentially provided with a calendering roller 4.6, a fixed roller 4.7, a pressing roller 4.9 and a front traction roller 4.10 from front to back; the calendering roller 4.6 and the fixed roller 4.7 are adjacently arranged and are positioned above the edge folding device 3, a certain gap is formed between the calendering roller 4.6 and the fixed roller 4.7, and the edge-folded film is calendered and flattened through the gap; the front traction roller 4.10 is arranged behind the fixed roller 4.7, the front traction roller 4.10 is driven by a transmission motor 4.12 arranged on the upper traction mounting frame 102, and a transmission shaft of the transmission motor 4.12 is connected with the front traction roller 4.10 through a belt so as to drive the front traction roller 4.10 to rotate; the pressing roller 4.9 is arranged above the front traction roller 4.10, the roller surface of the pressing roller 4.9 is tightly attached to the roller surface of the front traction roller 4.10, and the film is driven by the front traction roller 4.10 to move forwards after being pressed by the two rollers;
two long round holes 4.13 which are adjacent and symmetrical and are positioned on the same straight line are respectively arranged on the left vertical plate and the right vertical plate of the lifting support 4.1 along the length direction of the lifting support, the two long round holes 4.13 on the same side form a long round hole group, and the long round hole groups on the left vertical plate and the right vertical plate are symmetrically arranged; the long round holes 4.13 are positioned right below the calendering rollers 4.6 and the fixed rollers 4.7, and the gap between the two long round holes 4.13 corresponds to the gap between the calendering rollers 4.6 and the fixed rollers 4.7; two fixing blocks 4.14 are respectively arranged at two ends of the outer sides of the two long round holes 4.13, and the two long round holes 4.13 are positioned between the two fixing blocks 4.14; an upper sliding rod 4.15 and a lower sliding rod 4.15 which are arranged along the length direction of the lifting support 4.1 are arranged between the two fixed blocks 4.14, and the two sliding rods 4.15 are positioned in the same plane; two adjacent sliding blocks 4.16 are arranged on the sliding rod 4.15, the upper sliding rod 4.15 and the lower sliding rod 4.15 penetrate through the sliding blocks 4.16, and the sliding blocks 4.16 slide along the sliding rods 4.15; each sliding block 4.16 corresponds to one oblong hole 4.13; mounting rods 4.17 are arranged between the sliders 4.16 of the corresponding slotted hole groups on the left and right vertical plates of the lifting support 4.1, the mounting rods 4.17 are rotatably connected with the sliders 4.16, and the edge folding device 3 is mounted on the mounting rods 4.17 (specifically, the mounting rods 4.17 are arranged between the corresponding slotted holes 4.13 on the left and right vertical plates of the lifting support 4.1 through the sliders 4.16, two adjacent slotted holes 4.13 are arranged on a single-side vertical plate, namely, two mounting rods 4.17 are correspondingly arranged, and the moving range of the two mounting rods 4.17 is the length of each slotted hole 4.13);
the edge folding device 3 comprises a herringbone plate 3.1, the herringbone plate 3.1 comprises two flat plates which are symmetrically arranged, the top ends of the two flat plates are respectively and fixedly arranged on the corresponding mounting rods 4.17 above, and the material passing gap between the two flat plates is adjusted by adjusting the distance between the two mounting rods 4.17, so that the herringbone plate can adapt to films with different thicknesses;
furthermore, open chutes are respectively arranged at the front ends of the left vertical plate and the right vertical plate of the lifting support 4.1 along the length direction of the lifting support, the fixed roller 4.7 is fixedly arranged between the open chutes at the two sides through the fixed block, the calendering roller 4.6 is arranged between the open chutes at the two sides in a sliding manner, and the calendering roller 4.6 is arranged adjacent to the fixed roller 4.7; the opening ends of the two open chutes are respectively and fixedly provided with a calendering cylinder 4.8 along the length direction, telescopic rods of the two calendering cylinders 4.8 are respectively and fixedly connected with two ends of a calendering roller 4.6, and the two calendering cylinders 4.8 simultaneously stretch and retract to drive the calendering roller 4.6 to move back and forth so as to adjust the gap between the calendering roller 4.6 and a fixed roller 4.7, thereby calendering and flattening films with different thicknesses;
furthermore, vertically arranged compaction cylinders 4.11 are respectively arranged above the left end and the right end of the compaction roller 4.9, the compaction cylinders 4.11 are fixedly arranged on the lifting support 4.1, telescopic rods of the two compaction cylinders 4.11 are respectively fixedly connected with the two ends of the compaction roller 4.9, the two compaction cylinders 4.9 are simultaneously stretched to drive the compaction roller 4.9 to move up and down, so that a gap between the compaction roller 4.9 and a front traction roller 4.10 is adjusted, and films with different thicknesses are driven to move forwards at a constant speed;
furthermore, vertical plates 3.2 are respectively arranged on the opening sides of two sides of the herringbone plate 3.1, the vertical plates 3.2 are positioned between the two flat plates, and the vertical plates 3.2 and the outer side edges of the flat plates are positioned on the same plane; the top ends of the vertical plates 3.2 are fixedly arranged on the lifting support 4.1; a fixed seat 3.3 is arranged at the bottom of the outer wall of any vertical plate 3.2, a through screw hole is vertically arranged on the fixed seat 3.3, and a jacking screw rod 3.4 is screwed in the screw hole; a lifting block 3.5 is arranged above the jacking screw rod 3.4, and the lifting block 3.5 is positioned on the outer side of the vertical plate 3.2; a support rod 3.6 is arranged between the lifting block 3.5 and the side edges of the two flat plates of the herringbone plate 3.1 respectively, one end of the support rod 3.6 is hinged with the side edge of the flat plate, and the other end of the support rod 3.6 is hinged with the lifting block 3.5; the top end of the jacking screw rod 3.4 jacks and supports the bottom of the lifting block 3.5, the jacking screw rod 3.4 is adjusted to enable the lifting block 3.5 to ascend or descend, the support rod 3.6 outwards props or inwards folds the herringbone plate 3.1, the included angle between the two flat plates of the herringbone plate 3.1 is adjusted according to different film materials, and the film is prevented from being folded;
preferably, hemers 3.7 are respectively arranged on the inner sides of the two vertical plates 3.2 along the length direction of the vertical plates, and the two hemers 3.7 are symmetrically arranged; the cross section of the edge folding device 3.7 is an isosceles triangle, two waists of the isosceles triangle respectively correspond to the two flat plates of the herringbone plate 3.1 one by one, and the opposite folded edges of the two edge folding devices 3.7 are gradually inclined and closed from bottom to top; the center line of the hemmer 3.7 in the vertical direction, the center line of the herringbone plate 3.1 in the vertical direction and the center line of the vertical plate 3.2 in the vertical direction are collinear;
the working principle of the device is as follows:
the film bubble is extruded by a film blowing machine, then is folded and laminated together by a herringbone plate 3.1, is calendered and flattened by an upper calendering roller 4.6, and is driven by a front traction roller 4.10 to move forwards; the screw rod lifters 4.3 on the two sides synchronously lift to drive the lifting support 4.1 to lift, so that the height of the traction device is adjusted, and the cooling effect can be adjusted according to films of different materials or specifications; the gap between the tops of the two flat plates of the herringbone plate 3.1 is adjusted according to the films with different thicknesses, so that the gap meets the requirement of the thickness of the films, the angle between the two flat plates of the herringbone plate 3.1 is adjusted, the production requirement of the films made of different materials is met, and the films are prevented from being folded; the herringbone plate 3.1 is provided with the hemmer 3.7, when a bagged film needs to be produced, the film edge is directly folded in the traction process, the subsequent roll changing and the flanging are not needed, and the method is convenient and fast.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (5)
1. A lifting upper traction device for a film blowing machine comprises an upper traction mounting frame (102), a flanging device (3) and a lifting upper traction frame (4); go up to draw (4) and install on last traction mounting bracket (102), hem device (3) are installed in the front end that goes up to go up to draw (4), its characterized in that: the lifting upper traction device (4) comprises a lifting support (4.1), and the lifting support (4.1) consists of a left vertical plate, a right vertical plate and a plurality of reinforcing rod rods between the two vertical plates; the left side and the right side of the inner side of the rear end of the upper traction mounting frame (102) are respectively provided with two guide rods (4.2) which are symmetrically arranged, the rear ends of a left vertical plate and a right vertical plate of the lifting support (4.1) are respectively fixedly provided with a vertically arranged sleeve, and the sleeves are sleeved on the guide rods (4.2); two symmetrically arranged screw rod lifters (4.3) are vertically and fixedly arranged on the inner side walls of the left side and the right side of the front end of the upper traction mounting frame (102) respectively; a screw rod of the screw rod lifter (4.3) is provided with a screw rod nut (4.5), and the front ends of a left vertical plate and a right vertical plate of the lifting support (4.1) are respectively and fixedly connected to the screw rod nut (4.5); the upper traction mounting frame (102) is provided with a servo motor (4.4), the servo motor (4.4) is positioned between the two lead screw lifters (4.3), a transmission shaft of the servo motor (4.4) is connected with a lead screw linkage shaft (4.4.1), two ends of the lead screw linkage shaft (4.4.1) are respectively connected with the lead screw lifters (4.3) on the left side and the right side, and the servo motor (4.4), the lead screw linkage shaft (4.4.1) and the lead screw lifters (4.3) form a group of linkage lifting mechanisms;
the lifting support (4.1) is sequentially provided with a calendering roller (4.6), a fixed roller (4.7), a pressing roller (4.9) and a front traction roller (4.10) from front to back; the calendering roller (4.6) and the fixed roller (4.7) are adjacently arranged and are positioned above the edge folding device (3), and a gap is reserved between the calendering roller (4.6) and the fixed roller (4.7); the front traction roller (4.10) is arranged behind the fixed roller (4.7), the front traction roller (4.10) is driven by a transmission motor (4.12) arranged on the upper traction mounting frame (102), and a transmission shaft of the transmission motor (4.12) is connected with the front traction roller (4.10) through a belt; the pressing roller (4.9) is arranged above the front traction roller (4.10), and the roller surface of the pressing roller (4.9) is tightly attached to the roller surface of the front traction roller (4.10);
two adjacent long round holes (4.13) which are positioned on the same straight line are respectively arranged on the left vertical plate and the right vertical plate of the lifting support (4.1) along the length direction of the lifting support, the two long round holes (4.13) on the same side form a long round hole group, and the long round hole groups on the left vertical plate and the right vertical plate are symmetrically arranged; the long round holes (4.13) are positioned right below the calendering roller (4.6) and the fixed roller (4.7), and the gap between the two long round holes (4.13) corresponds to the gap between the calendering roller (4.6) and the fixed roller (4.7); two fixing blocks (4.14) are respectively arranged at two ends of the outer sides of the two long round holes (4.13), and the two long round holes (4.13) are positioned between the two fixing blocks (4.14); an upper sliding rod (4.15) and a lower sliding rod (4.15) which are arranged along the length direction of the lifting support (4.1) are arranged between the two fixed blocks (4.14), and the two sliding rods (4.15) are positioned in the same plane; two adjacent sliding blocks (4.16) are arranged on the sliding rod (4.15), the upper sliding rod (4.15) and the lower sliding rod (4.15) penetrate through the sliding blocks (4.16), and the sliding blocks (4.16) slide along the sliding rods (4.15); each sliding block (4.16) corresponds to one long circular hole (4.13); an installation rod (4.17) is arranged between the sliders (4.16) of the corresponding long round hole groups on the left vertical plate and the right vertical plate of the lifting support (4.1), the installation rod (4.17) is rotatably connected with the sliders (4.16), and the edge folding device (3) is installed on the installation rod (4.17); the flanging device (3) comprises a herringbone plate (3.1), the herringbone plate (3.1) comprises two flat plates which are symmetrically arranged, and the top ends of the two flat plates are respectively and fixedly arranged on the corresponding mounting rods (4.17) above.
2. The lifting upper traction device for the film blowing machine according to claim 1, characterized in that: the front ends of a left vertical plate and a right vertical plate of the lifting support (4.1) are respectively provided with an open sliding groove along the length direction, a fixed roller (4.7) is fixedly arranged between the open sliding grooves at the two sides through a fixed block, a calendering roller (4.6) is arranged between the open sliding grooves at the two sides in a sliding manner, and the calendering roller (4.6) and the fixed roller (4.7) are arranged adjacently; the opening ends of the two opening chutes are respectively and fixedly provided with a calendering cylinder (4.8) along the length direction, telescopic rods of the two calendering cylinders (4.8) are respectively and fixedly connected with two ends of a calendering roller (4.6), and the two calendering cylinders (4.8) simultaneously stretch and drive the calendering roller (4.6) to move back and forth.
3. The lifting upper traction device for the film blowing machine according to claim 1, characterized in that: the upper portions of the left end and the right end of the pressing roller (4.9) are respectively provided with a pressing cylinder (4.11) which is vertically arranged, the pressing cylinders (4.11) are fixedly installed on the lifting support (4.1), telescopic rods of the two pressing cylinders (4.11) are respectively fixedly connected with the two ends of the pressing roller (4.9), and the two pressing cylinders (4.9) simultaneously stretch and drive the pressing roller (4.9) to move up and down.
4. The lifting upper traction device for the film blowing machine according to claim 1, characterized in that: vertical plates (3.2) are respectively arranged at the opening sides of the two sides of the herringbone plate (3.1), the vertical plates (3.2) are positioned between the two flat plates, and the vertical plates (3.2) and the outer side edges of the flat plates are positioned on the same plane; the top ends of the vertical plates (3.2) are fixedly arranged on the lifting support (4.1); a fixed seat (3.3) is arranged at the bottom of the outer wall of any vertical plate (3.2), a through screw hole is vertically arranged on the fixed seat (3.3), and a jacking screw rod (3.4) is screwed in the screw hole; a lifting block (3.5) is arranged above the jacking screw rod (3.4), and the lifting block (3.5) is positioned on the outer side of the vertical plate (3.2); supporting rods (3.6) are respectively arranged between the lifting block (3.5) and the side edges of the two flat plates of the herringbone plate (3.1), one end of each supporting rod (3.6) is hinged with the side edge of the corresponding flat plate, and the other end of each supporting rod (3.6) is hinged with the lifting block (3.5); the top end of the jacking screw rod (3.4) jacks and supports the bottom of the lifting block (3.5).
5. The lifting upper traction device for the film blowing machine according to claim 4, characterized in that: hemers (3.7) are respectively arranged on the inner sides of the two vertical plates (3.2) along the length direction of the vertical plates, and the two hemers (3.7) are symmetrically arranged; the cross section of the hemmer (3.7) is an isosceles triangle, two waists of the isosceles triangle respectively correspond to the two flat plates of the herringbone plate (3.1) one by one, and the opposite hems of the two hemmers (3.7) are gradually inclined and closed from bottom to top; the center line of the hemmer (3.7) in the vertical direction, the center line of the herringbone plate (3.1) in the vertical direction and the center line of the vertical plate (3.2) in the vertical direction are collinear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921076846.8U CN210552976U (en) | 2019-07-10 | 2019-07-10 | Lifting upper traction device for film blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921076846.8U CN210552976U (en) | 2019-07-10 | 2019-07-10 | Lifting upper traction device for film blowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210552976U true CN210552976U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921076846.8U Active CN210552976U (en) | 2019-07-10 | 2019-07-10 | Lifting upper traction device for film blowing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334752A (en) * | 2021-04-20 | 2021-09-03 | 浙江松山机械有限公司 | Automatic roll changing mechanism of high-speed film blowing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334752A (en) * | 2021-04-20 | 2021-09-03 | 浙江松山机械有限公司 | Automatic roll changing mechanism of high-speed film blowing machine |
| CN113334752B (en) * | 2021-04-20 | 2022-07-26 | 浙江松山机械有限公司 | Automatic roll changing mechanism of high-speed film blowing machine |
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