CN109483850B - Traction device for thermoplastic film - Google Patents
Traction device for thermoplastic film Download PDFInfo
- Publication number
- CN109483850B CN109483850B CN201811506693.6A CN201811506693A CN109483850B CN 109483850 B CN109483850 B CN 109483850B CN 201811506693 A CN201811506693 A CN 201811506693A CN 109483850 B CN109483850 B CN 109483850B
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- rack
- thermoplastic film
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- suction nozzle
- way air
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- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 108
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 107
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 8
- 239000011247 coating layer Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- -1 polyethylene Polymers 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010101 extrusion blow moulding Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Advancing Webs (AREA)
- Laminated Bodies (AREA)
Abstract
The application relates to the technical field of traction equipment, and particularly discloses a traction device of a thermoplastic film, which comprises a frame, wherein a crank block mechanism is arranged on the frame; the frame is provided with a cylinder body, and the cylinder body is provided with a first one-way air inlet valve, a first one-way air outlet valve, a second one-way air inlet valve and a second one-way air outlet valve; the rack is slidably connected with a first rack, the first rack is meshed with a gear, the gear is rotatably connected to the rack, the gear is meshed with a second rack, and the second rack is slidably connected to the rack; the first one-way air outlet valve is connected with a first suction nozzle through a hose; the second one-way air outlet valve is connected with a first nozzle through a hose; the second one-way air inlet valve is connected with a second suction nozzle through a hose, and the first one-way air outlet valve is connected with a second nozzle through a hose. The purpose of this patent is to solve current thermoplastic film traction equipment and just pull the problem that thermoplastic film easily pulls the thermoplastic film to break that thermoplastic film lead to through the both sides that grip thermoplastic film.
Description
Technical Field
The application belongs to the technical field of traction equipment, and particularly relates to a traction device of a thermoplastic film.
Background
Thermoplastic plastic films, thermoplastic films for short, are films made from thermoplastic resins as the base material. Such as polyethylene film, polypropylene film, polyvinyl chloride film, polystyrene film, polyethylene film, polypeptide-amine film, etc. Its performance and use vary from variety to variety. The maximum dosage of the polyethylene film and the polyvinyl chloride film is used for the packaging industry and agriculture; the polymeric cool film and the polyamide film are mainly used as insulating materials and packaging materials. The production method is mainly extrusion blow molding and calendaring, extrusion stretching and casting. When the thermoplastic film is produced by the extrusion stretching method, a drawing device for the thermoplastic film is required.
The Chinese patent with the authorized bulletin number of 207256868U discloses a thermoplastic film traction machine, which comprises a traction rail and a transmission belt, wherein the traction rail is positioned below the transmission belt and is parallel to the conveying direction of the transmission belt, and the transmission belt is connected with a motor for driving the transmission belt to run; traction rail's both sides fixedly connected with slider, tractor still include the fixer that is used for being fixed in the thermoplastic film on traction rail, the fixer includes the side pressure board that positive pressure board and positive pressure board both ends were connect, and positive pressure board is connected on the transmission belt, and the length direction of positive pressure board is perpendicular with conveyor's direction of delivery, the inboard of side pressure board is connected with the dog, opens on the dog has with slider clearance fit's recess, be connected with the spring in the recess, the free end of spring is connected with the baffle.
According to the scheme, the sliding strips are fixedly connected to the two sides of the traction track, the side pressing plates are connected with the check blocks, the check blocks are provided with the grooves in clearance fit with the sliding strips, the baffle plates are connected in the grooves through the springs, when the thermoplastic films are pulled, the baffle plates are subjected to pressure through the springs, the thermoplastic films are fixed between the baffle plates and the sliding strips, the thermoplastic films are pulled again, the thermoplastic films are automatically released from the turning positions, the thermoplastic films are not required to be adhered to the side pressing plates, and the thermoplastic films cannot be deformed.
Although the above-mentioned scheme solves the problem that the thermoplastic film is easy to deform due to the adhesion of the thermoplastic film and the side pressure plate, there is also a problem that the thermoplastic film is easy to be pulled by the pulling device which pulls the thermoplastic film forward only by clamping the two sides of the thermoplastic film.
Disclosure of Invention
The application aims at overcoming the defects of the prior art, and aims to provide a thermoplastic film traction device which solves the problem that the thermoplastic film is easy to be pulled to be broken caused by the fact that the thermoplastic film is pulled forward only by clamping two sides of the thermoplastic film in the existing thermoplastic film traction equipment.
In order to solve the problems, the application adopts the following technical scheme:
a traction device of a thermoplastic film comprises a motor and a frame, wherein the motor is fixed on the frame, and a crank driven by the motor is rotationally connected to the frame; the frame is provided with a cylinder body, a piston and a piston rod are connected in a sliding manner in the cylinder body, and the piston is fixed on the piston rod; one end of the piston rod is rotationally connected with the crank through a connecting rod, and the crank, the connecting rod, the piston rod and the piston form a crank slider mechanism; a first one-way air inlet valve and a first one-way air outlet valve are arranged on the side wall of one chamber of the cylinder body, and a second one-way air inlet valve and a second one-way air outlet valve are arranged on the side wall of the other chamber of the cylinder body; the rack is slidably connected with a first rack, the first rack is meshed with a gear, the gear is rotatably connected to the rack, the gear is meshed with a second rack, and the second rack is slidably connected to the rack; the first rack and the second rack are horizontally and oppositely arranged in a vertical plane; one end of the piston rod, which is far away from the motor, is fixedly connected with the first rack through a first fixing rod; the first one-way air inlet valve is connected with a first suction nozzle through a hose, the lower end of the first suction nozzle is opened, and the first suction nozzle is fixed on the first rack; the second one-way air inlet valve is connected with a second suction nozzle through a hose, the lower end of the second suction nozzle is opened, and the second suction nozzle is fixed on the second rack.
The technical principle of the basic scheme is as follows:
1. the crank sliding block mechanism is arranged, the motor drives the crank to rotate, and the crank drives the piston and the piston rod to slide left and right in the cylinder body in a reciprocating manner, so that the cylinder body forms two inflators, and an air source is provided.
2. The first rack and the piston rod are fixedly connected with one end, far away from the motor, of the first rack, the piston rod is driven to reciprocate left and right by the left and right reciprocating motion, and the second rack is driven to reciprocate left and right by the first rack through the gear, so that the first rack and the second rack alternately intermittently move right.
3. The first suction nozzle and the second suction nozzle are arranged, the first suction nozzle is fixed on the second gear, and the second suction nozzle is fixed on the first gear, so that the first suction nozzle and the second suction nozzle alternately and intermittently adsorb the thermoplastic film and drag the thermoplastic film.
The beneficial effect that this scheme produced is:
1. compared with the prior art that the thermoplastic films are not uniformly stressed and are easily pulled to be broken due to the fact that the thermoplastic films are pulled forwards through the two sides of the clamping thermoplastic films, the negative pressure adsorption thermoplastic films are generated through the suction nozzles in the scheme to achieve the traction of the thermoplastic films, the traction force is relatively mild, the thermoplastic films are uniformly stressed, and the thermoplastic films are not easily pulled to be broken.
2. Compared with the prior art that two clamping structures symmetrically distributed on a belt pulley and a belt alternately clamp and pull the thermoplastic film forwards, the device has the advantages that negative pressure is alternately generated through the first suction nozzle and the second suction nozzle, the thermoplastic film is alternately and intermittently adsorbed, the first suction nozzle and the second suction nozzle alternately and intermittently move rightward to pull the thermoplastic film, continuous rightward traction of the thermoplastic film is achieved, the device is simple in structure, convenient to operate, good in wear resistance and not prone to damage.
3. Compared with the prior art that the thermoplastic film is pulled by using the belt and the belt pulley, the thermoplastic film pulling effect caused by the fact that the thermoplastic film pulling direction is deviated due to the fact that the belt is easy to deviate is poor, the suction nozzle is fixed on the rack, and the thermoplastic film pulling direction is difficult to deviate.
Further, the second one-way air outlet valve is connected with a first nozzle through a hose, the upper end of the first nozzle is opened, the first nozzle is fixed on the first rack, and the first suction nozzle is fixedly connected with the first nozzle through a second fixing rod. The thermoplastic film is blown upwards by the air exhausted from the first nozzle on one hand, so that the thermoplastic film is firmly adsorbed by the first suction nozzle, and on the other hand, the cooling air blown out from the first nozzle can cool the thermoplastic film, so that the thermoplastic film is prevented from being unfavorable for traction due to unstable property caused by overhigh temperature in the traction process.
Further, the first one-way air outlet valve is connected with a second nozzle through a hose, the upper end of the first nozzle is opened, and the second nozzle is fixedly connected with the second suction nozzle through a third fixing rod. The thermoplastic film is blown upwards by the air exhausted by the second nozzle on one hand, so that the thermoplastic film is firmly adsorbed by the second suction nozzle, and on the other hand, the cooling air blown by the second nozzle can cool the thermoplastic film, so that the thermoplastic film is prevented from being unfavorable for traction due to unstable property caused by overhigh temperature in the traction process.
Further, the openings on the first suction nozzle are a plurality of cylindrical through holes. Compared with the fact that the opening of the first suction nozzle is directly set to be a large opening, the thermoplastic film is easy to be wrinkled or broken, the through holes are formed in the scheme, and the first suction nozzle can be effectively prevented from wrinkling or breaking the thermoplastic film.
Further, the diameter of the cylindrical through hole is 1-3 mm. The first suction nozzle can be more effectively prevented from sucking the thermoplastic film to be wrinkled or broken while the adsorption function is achieved.
Further, a release coating layer is provided on the surface of the first suction nozzle in contact with the thermoplastic film. It is possible to avoid breakage or wrinkling of the thermoplastic film, which is inconvenient for the thermoplastic film to separate from the first suction nozzle or is caused after the thermoplastic film is stuck together with the first suction nozzle.
Further, the lower end face of the first suction nozzle is of a rectangular structure, and the length of the first suction nozzle is consistent with the width of the thermoplastic film. The whole cross section of the thermoplastic film can be pulled, and the adverse pulling caused by uneven stress of the thermoplastic film is avoided.
Further, the first nozzle is of a hollow structure, and the vertical cross section of the first nozzle is trapezoid. The pipe diameter of the internal channel from the air inlet end to the air outlet end of the first nozzle is changed from large to small, and the flow speed of the air flowing through the first nozzle is increased, so that the purpose of pressurizing the air flow is achieved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application.
Fig. 2 is a bottom view of the lower end of the first nozzle of the present application.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: crank 10, connecting rod 11, cylinder 20, piston 21, piston rod 22, first one-way intake valve 23, first one-way outlet valve 24, second one-way intake valve 25, second one-way outlet valve 26, first dead lever 27, first rack 30, gear 31, second rack 32, first suction nozzle 33, first nozzle 34, second dead lever 35, second suction nozzle 36, second nozzle 37, third dead lever 38, thermoplastic film 40.
A traction device for thermoplastic films, as shown in figure 1, comprises a motor and a frame, wherein the motor is fixed on the frame, and a crank 10 driven by the motor is rotatably connected on the frame. The frame is also provided with a cylinder body 20, and the cylinder body 20 is transversely arranged along the frame. The cylinder 20 is slidably connected with a piston 21 and a piston rod 22, both ends of the piston rod 22 penetrate through the side wall of the cylinder 20, and the piston 21 is fixed on the piston rod 22. The left end of the piston rod 22 is rotationally connected with the crank 10 through the connecting rod 11, the crank 10, the connecting rod 11, the piston rod 22 and the piston 21 form a crank 10 sliding block mechanism, and the motor drives the crank 10 to rotate and simultaneously drives the piston 21 to slide left and right in the cylinder body 20.
The outer wall of the cylinder body 20 is totally closed, and the piston 21 divides the cylinder body 20 into a left chamber and a right chamber. A first one-way air inlet valve 23 and a first one-way air outlet valve 24 are arranged on the left chamber side wall of the cylinder body 20; the right chamber side wall of the cylinder 20 is provided with a second one-way air inlet valve 25 and a second one-way air outlet valve 26.
When the piston 21 moves rightwards, the first one-way air inlet valve 23 is opened, the first one-way air outlet valve 24 is closed, the left chamber of the cylinder body 20 is sucked, the second one-way air inlet valve 25 is closed, the second one-way air outlet valve 26 is opened, and the right chamber of the cylinder body 20 is exhausted; when the piston 21 moves leftwards, the first one-way air inlet valve 23 is closed, the first one-way air outlet valve 24 is opened, the left chamber of the cylinder body 20 is exhausted, the second one-way air inlet valve 25 is opened, the second one-way air outlet valve 26 is closed, and the right chamber of the cylinder body 20 is sucked; in the process of the left and right reciprocating movement of the piston 21, the left and right chambers of the cylinder 20 intermittently intake and exhaust air, respectively, to form two inflators.
The rack is also slidably connected with a first rack 30, the first rack 30 is meshed with a gear 31, the gear 31 is rotatably connected to the rack, the gear 31 is meshed with a second rack 32, the second rack 32 is slidably connected to the rack, and the first rack 30 and the second rack 32 are horizontally and oppositely arranged in a vertical plane. The right end of the piston rod 22 is fixedly connected with the first rack 30 through the first fixing rod 27.
When the piston rod 22 moves rightwards, the piston rod 22 drives the first rack 30 to move rightwards, the first rack 30 drives the gear 31 to rotate anticlockwise, and the gear 31 drives the second rack 32 to move leftwards; when the piston 21 moves to the right end of the cylinder 20, the first rack 30 moves to the rightmost end, and the second rack 32 moves to the leftmost end; when the piston rod 22 moves leftwards, the piston rod 22 drives the first rack 30 to move leftwards, the first rack 30 drives the gear 31 to rotate clockwise, the gear 31 drives the second rack 32 to move rightwards, and when the piston 21 moves to the left end of the cylinder body 20, the first rack 30 and the second rack 32 are reset. During the left-right reciprocation of the piston 21, the piston rod 22 drives the first rack 30 and the second rack 32 to reciprocate left-right.
The thermoplastic film 40 is arranged laterally along the frame and the drawing direction of the thermoplastic film 40 is from left to right. The first rack 30, the gear 31, and the second rack 32 are located on the same side of the thermoplastic film 40. The first one-way air outlet valve 24 is connected with a first suction nozzle 33 through a hose, the first suction nozzle 33 is positioned above the thermoplastic film 40, the inside of the first suction nozzle 33 is arranged into a hollow structure, and the inside of the first suction nozzle 33 is communicated with the first one-way air inlet valve 23. As shown in fig. 2, the first suction nozzle 33 is provided with a plurality of cylindrical through holes on the lower end surface. As shown in fig. 1, the lower end surface of the first suction nozzle 33 is close to the upper surface of the thermoplastic film 40, the lower end surface of the first suction nozzle 33 has a rectangular structure, the length of the lower end surface of the first suction nozzle 33 is consistent with the width of the thermoplastic film 40, and the two ends of the lower end surface of the first suction nozzle 33 are aligned with the two sides of the thermoplastic film 40, so that the whole cross section of the thermoplastic film 40 can be pulled, and adverse pulling caused by uneven stress of the thermoplastic film 40 is avoided.
The second one-way air outlet valve 26 is connected with a first nozzle 34 through a hose, the first nozzle 34 is positioned below the thermoplastic film 40, the first nozzle 34 is of a hollow structure, the vertical cross section of the first nozzle 34 is trapezoid, the pipe diameter of an internal channel from an air inlet end to an air outlet end of the first nozzle 34 is reduced from large to small, and the flow speed is increased when air flows through the first nozzle 34, so that the purpose of pressurizing air flow is achieved. The upper end face of the first nozzle 34 is opened, the opening of the first nozzle 34 faces the lower surface of the thermoplastic film 40, a rectangular opening is formed in the upper end face of the first nozzle 34, and the opening of the first nozzle 34 is aligned with and consistent in size with the opening of the first suction nozzle 33, so that the thermoplastic film 40 is uniformly stressed. The first nozzle 34 is fixed on the first rack 30, and the first suction nozzle 33 is fixedly connected with the first nozzle 34 through a second fixing rod 35.
The second one-way intake valve 25 is connected to a second suction nozzle 36 through a hose, and the second suction nozzle 36 is fixed to the second rack 32. The first one-way air outlet valve 24 is connected with a second nozzle 37 through a hose, and the second nozzle 37 is fixedly connected with the second suction nozzle 36 through a third fixing rod 38.
When the piston rod 22 moves rightwards, the piston rod 22 drives the first rack 30 to move rightwards through the first fixing rod 27, the first rack 30 drives the first suction nozzle 33 and the first spray nozzle 34 to move rightwards, and meanwhile, the first rack 30 drives the second rack 32 to move leftwards through the gear 31; the left chamber of the cylinder 20 sucks air, the right chamber of the cylinder 20 sucks air, namely, the first one-way air inlet valve 23 sucks air to generate negative pressure, the second one-way air outlet valve 26 exhausts air to generate positive pressure, the first suction nozzle 33 sucks the thermoplastic film 40, and the thermoplastic film 40 is pulled to move from left to right until the first rack 30 moves to the rightmost end.
The air discharged from the second nozzle 37 blows the thermoplastic film 40 upward to firmly adsorb the thermoplastic film 40 by the first suction nozzle 33, and the cool air blown from the first nozzle 34 can cool the thermoplastic film 40, so that the thermoplastic film 40 is prevented from being unfavorable for traction due to unstable property caused by overhigh temperature during traction.
The diameter of the cylindrical through hole on the first suction nozzle 33 is 1mm, so that the first suction nozzle 33 can suck the thermoplastic film 40 without sucking wrinkles or breaks the thermoplastic film 40.
The surface of the first suction nozzle 33, which is in contact with the thermoplastic film 40, is provided with a release coating layer, and the release coating layer adopted in this embodiment is a high-temperature release coating which does not occupy the coating GN-205, so that the thermoplastic film 40 is prevented from being inconvenient to separate from the first suction nozzle 33 or breakage or wrinkling of the thermoplastic film 40 caused by adhesion of the thermoplastic film 40 to the first suction nozzle 33 can be avoided.
The second nozzle 36 is identical in structure and principle to the first nozzle 33, and the second nozzle 37 is identical in structure and principle to the first nozzle 34.
When the piston rod 22 moves leftwards, the piston rod 22 drives the first rack 30 to move leftwards, the first rack 30 drives the second rack 32 to move rightwards through the gear 31, and the second suction nozzle 36 and the second nozzle 37 cooperate to draw the thermoplastic film 40 to move rightwards until the second rack 32 moves to the rightmost position in the process.
The specific implementation process is as follows:
after the thermoplastic film 40 traction device is installed, a motor is started, the motor drives the crank 10 to rotate, and the crank 10 drives the piston 21 and the piston rod 22 to slide left and right in the cylinder body 20 in a reciprocating manner through the connecting rod 11. On the one hand, the piston 21 makes two inflators formed in the left and right chambers of the cylinder body 20, and the two inflators alternately suck and discharge air, on the other hand, the piston rod 22 drives the first rack 30 to reciprocate left and right, and the first rack 22 drives the second rack 32 to reciprocate through the gear 31.
When the piston rod 22 moves rightward, the piston rod 22 drives the first rack 30 to move rightward by the first fixing rod 27, and the first suction nozzle 33 fixed to the first gear 31 moves rightward in cooperation with the first nozzle 34 to draw the thermoplastic film 40. When the piston rod 22 moves leftwards, the piston rod 22 drives the first rack 30 to move leftwards through the first fixing rod 27, the first rack 30 drives the second rack 32 to move rightwards, and the second suction nozzle 36 fixed on the second rack 32 cooperates with the second nozzle 37 to draw the thermoplastic film 40 to move rightwards.
In the process of the left-right reciprocation of the piston rod 22, the first suction nozzle 33 and the second suction nozzle 36 alternately suck the thermoplastic film 40 and draw the thermoplastic film 40 to the right, thereby realizing continuous rightward drawing of the thermoplastic film 40.
The foregoing is merely exemplary embodiments of the present application, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present application, and these should also be considered as the scope of the present application, which does not affect the effect of the implementation of the present application and the utility of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (6)
1. A traction device of a thermoplastic film comprises a motor and a frame, wherein the motor is fixed on the frame, and a crank driven by the motor is rotationally connected to the frame; the method is characterized in that: the frame is provided with a cylinder body, a piston and a piston rod are connected in a sliding manner in the cylinder body, and the piston is fixed on the piston rod; one end of the piston rod is rotationally connected with the crank through a connecting rod, and the crank, the connecting rod, the piston rod and the piston form a crank slider mechanism; a first one-way air inlet valve and a first one-way air outlet valve are arranged on the side wall of one chamber of the cylinder body, and a second one-way air inlet valve and a second one-way air outlet valve are arranged on the side wall of the other chamber of the cylinder body; the rack is slidably connected with a first rack, the first rack is meshed with a gear, the gear is rotatably connected to the rack, the gear is meshed with a second rack, and the second rack is slidably connected to the rack; the first rack and the second rack are horizontally and oppositely arranged in a vertical plane; one end of the piston rod, which is far away from the motor, is fixedly connected with the first rack through a first fixing rod; the first one-way air inlet valve is connected with a first suction nozzle through a hose, the lower end of the first suction nozzle is opened, and the first suction nozzle is fixed on the first rack; the second one-way air inlet valve is connected with a second suction nozzle through a hose, the lower end of the second suction nozzle is opened, and the second suction nozzle is fixed on the second rack; the second one-way air outlet valve is connected with a first nozzle through a hose, the upper end of the first nozzle is opened, the first nozzle is fixed on the first rack, and the first suction nozzle is fixedly connected with the first nozzle through a second fixing rod; the first one-way air outlet valve is connected with a second nozzle through a hose, the upper end of the first nozzle is opened, and the second nozzle is fixedly connected with the second suction nozzle through a third fixing rod.
2. A thermoplastic film pulling apparatus as defined in claim 1, wherein: the openings on the first suction nozzle are a plurality of cylindrical through holes.
3. A thermoplastic film pulling apparatus as defined in claim 2, wherein: the diameter of the cylindrical through hole is 1-3 mm.
4. A thermoplastic film pulling apparatus as defined in claim 3, wherein: the surface of the first suction nozzle, which is contacted with the thermoplastic film, is provided with an anti-sticking coating layer.
5. A thermoplastic film pulling apparatus as defined in claim 4, wherein: the lower end face of the first suction nozzle is of a rectangular structure, and the length of the first suction nozzle is consistent with the width of the thermoplastic film.
6. A thermoplastic film pulling apparatus as defined in claim 5, wherein: the first nozzle is of a hollow structure, and the vertical cross section of the first nozzle is trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811506693.6A CN109483850B (en) | 2018-12-10 | 2018-12-10 | Traction device for thermoplastic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811506693.6A CN109483850B (en) | 2018-12-10 | 2018-12-10 | Traction device for thermoplastic film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109483850A CN109483850A (en) | 2019-03-19 |
| CN109483850B true CN109483850B (en) | 2023-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811506693.6A Active CN109483850B (en) | 2018-12-10 | 2018-12-10 | Traction device for thermoplastic film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109483850B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11292025A (en) * | 1998-04-09 | 1999-10-26 | Kawashima Packaging Mach Ltd | Suction conveyer, and method and machine for packaging using the same |
| JP2000255855A (en) * | 1999-01-08 | 2000-09-19 | Toray Ind Inc | Carrying device of film and method thereof |
| CN202480372U (en) * | 2012-03-23 | 2012-10-10 | 浙江佳阳塑胶新材料有限公司 | Thermoplastic polyurethane (TPU) film blowing machine |
| KR101623802B1 (en) * | 2015-04-27 | 2016-05-24 | 주식회사 한국이엔티 | Film weft supply apparatus for weaving loom of film textile |
| CN106965970A (en) * | 2017-05-05 | 2017-07-21 | 浙江班萘特复合材料有限公司 | A kind of quick film sticking apparatus of absorption type |
| CN107351368A (en) * | 2017-09-08 | 2017-11-17 | 贵州亿博科技有限公司 | A kind of thermoplastic film hauling machine |
| CN108608268A (en) * | 2018-04-28 | 2018-10-02 | 重庆市乐珐机电有限责任公司 | Turbine case end face grinding device |
-
2018
- 2018-12-10 CN CN201811506693.6A patent/CN109483850B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11292025A (en) * | 1998-04-09 | 1999-10-26 | Kawashima Packaging Mach Ltd | Suction conveyer, and method and machine for packaging using the same |
| JP2000255855A (en) * | 1999-01-08 | 2000-09-19 | Toray Ind Inc | Carrying device of film and method thereof |
| CN202480372U (en) * | 2012-03-23 | 2012-10-10 | 浙江佳阳塑胶新材料有限公司 | Thermoplastic polyurethane (TPU) film blowing machine |
| KR101623802B1 (en) * | 2015-04-27 | 2016-05-24 | 주식회사 한국이엔티 | Film weft supply apparatus for weaving loom of film textile |
| CN106965970A (en) * | 2017-05-05 | 2017-07-21 | 浙江班萘特复合材料有限公司 | A kind of quick film sticking apparatus of absorption type |
| CN107351368A (en) * | 2017-09-08 | 2017-11-17 | 贵州亿博科技有限公司 | A kind of thermoplastic film hauling machine |
| CN108608268A (en) * | 2018-04-28 | 2018-10-02 | 重庆市乐珐机电有限责任公司 | Turbine case end face grinding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109483850A (en) | 2019-03-19 |
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