Automatic film extrusion width adjusting device

Abstract

The utility model relates to the technical field of film processing and production, in particular to an automatic film extrusion width adjusting device which comprises a component mounting side plate and positioning vertical plates symmetrically arranged at the two ends of the top of the component mounting side plate. The width adjusting component is arranged at the top of the component mounting side plate and located on one side of the positioning vertical plate, and the auxiliary moving driven roller shafts are arranged on the side wall of the component mounting side plate and located on the two sides of the width adjusting component. The width adjusting component comprises a connecting cross rod arranged on the side wall of the component mounting side plate and located on one side of the auxiliary moving driven roller shaft, and a fixed connecting rod arranged on the top of the component mounting side plate and located at one end of the auxiliary moving driven roller shaft. And the longitudinal roll shaft is arranged at the bottom of one end of the fixed connecting rod and is connected to one end of the top of the connecting cross rod. The width of the film can be flexibly extruded and adjusted, and the film is prevented from being damaged in the pressurizing process.

Description

Technical Field

[0001] The utility model relates to the technical field of film processing and production, in particular to a device for automatically adjusting film extrusion width. Background Art

[0002] The production process of plastic film is as follows: the mixed raw materials are dried and added into the extruder hopper. As the feeding screw rotates, the raw materials are forced to the die head. As the volume of the screw groove continues to decrease, the raw materials are continuously compacted and gas is discharged during the forward process. At the same time, they are squeezed, sheared, and the temperature is increased. As well as absorbing the heat source of the heater, the temperature of the raw materials gradually increases, and they undergo three-state transformations, namely, gradually changing from a glassy state to a highly elastic state, and finally to a viscous flow state, achieving complete plasticization, and extruding a film from the die head.

[0003] According to the application number CN202020713171.X, a TPU film extrusion width automatic adjustment device is provided, including a track plate, a U-shaped adjustment piece, a high temperature resistant cushion, a ball screw and a central fixed clamping connection block, the top of the track plate is provided with a U-shaped adjustment piece, and the interior of the U-shaped adjustment piece is provided with a U-shaped groove, one end of the track plate is provided with a tail fixed block, and the other end of the track plate is provided with an adjustable size block, one side of the track plate is provided with a front fixed block, and a central fixed clamping connection block is provided between adjacent front fixed blocks, one side of the central fixed clamping connection block is provided with a threaded hole, and the internal thread of the threaded hole is connected with a ball screw. The utility model can not only control the width of the extruded TPU film within the controllable range of the production product, but also can quickly and accurately position it at the required width position, and protect the extrusion of the TPU film from being affected by hardness and height.

[0004] The above device uses a limited frame for extrusion, which is easy to generate internal stress of film extrusion and is difficult to form at the corners, thus affecting the film itself. Utility Model Content

[0005] Based on this, the purpose of the utility model is to provide a device for automatically adjusting the film extrusion width to solve the technical problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for automatically adjusting the width of film extrusion, comprising a component mounting side plate, positioning vertical plates symmetrically arranged at both ends of the top of the component mounting side plate, a width adjustment component arranged at the top of the component mounting side plate and located on one side of the positioning vertical plate, an auxiliary movable driven roller arranged on the side wall of the component mounting side plate and located on both sides of the width adjustment component, the width adjustment component comprising a connecting cross bar arranged on the side wall of the component mounting side plate and located on one side of the auxiliary movable driven roller, a fixed connecting rod arranged at the top of the component mounting side plate and located at one end of the auxiliary movable driven roller, and a longitudinal roller arranged at the bottom of one end of the fixed connecting rod and connected to one end of the top of the connecting cross bar.

[0007] Preferably, the width adjustment component also includes a telescopic cylinder arranged at the top of the component mounting side plate and located at the other end of the auxiliary movable driven roller shaft, a movable connecting rod arranged at the execution end of the telescopic cylinder and slidably connected to the other end of the top of the connecting cross bar, and an adjustment roller shaft arranged at one end of the bottom of the movable connecting rod and slidably connected to the other end of the top of the connecting cross bar.

[0008] Preferably, a pressure roller is embedded in one side of the positioning vertical plate, a transmission gear is provided at one end of the pressure roller and located at the other side of the positioning vertical plate, and a driving motor is provided at one end of the transmission gear.

[0009] Preferably, the number of the auxiliary movable driven roller shafts is at least one, and both ends of the auxiliary movable driven roller shaft are slidably connected to the component mounting side plate.

[0010] Preferably, both ends of the pressing roller are slidably connected to the side walls of the positioning vertical plate.

[0011] Preferably, the adjustment roller shaft has the same structure as the longitudinal roller shaft, and a side wall of the adjustment roller shaft is provided with an arc-shaped groove.

[0012] Preferably, the top of the connecting cross bar and the top of the auxiliary movable driven roller are located on the same horizontal line.

[0013] To sum up, the technical solution mainly has the following beneficial effects: in the utility model, the thickness of the film is actively controlled and adjusted by driving the pressure roller through the driving motor, and the pressure roller is arranged on both sides of the width adjustment component, and the film after the width adjustment is actively controlled successively, and the width adjustment component adopts a dynamic active adjustment method. Compared with the fixed adjustment hole position adjustment, the dynamic adjustment will not cause damage to the side walls of the film at both ends, and the quality of the film on both sides will not be damaged due to process extrusion. The whole device has a simple structure, stable adjustment, and fast adjustment of both sides of the film. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is an axonometric diagram of the overall structure of the utility model.

[0015] Figure 2 This is an axonometric diagram of the width adjustment component structure of the utility model.

[0016] Figure 3 This is a schematic diagram of the position of the auxiliary movable driven roller of the utility model.

[0017] Description of the drawings: 10. Component mounting side plate; 11. Positioning vertical plate; 12. Auxiliary movable driven roller; 20. Width adjustment component; 21. Connecting cross bar; 22. Fixed connecting rod; 23. Longitudinal roller; 24. Telescopic cylinder; 25. Moving connecting rod; 26. Adjusting roller; 111. Pressing roller; 112. Transmission gear; 113. Driving motor; 261. Arc groove. DETAILED DESCRIPTION

[0018] like Figure 1 , 2 As shown, it includes a component mounting side plate 10, characterized in that a positioning vertical plate 11 is symmetrically arranged at both ends of the top of the component mounting side plate 10, a width adjustment component 20 is arranged at the top of the component mounting side plate 10 and located on one side of the positioning vertical plate 11, a pressing roller shaft 111 is embedded in one side of the positioning vertical plate 11, a transmission gear 112 is arranged at one end of the pressing roller shaft 111 and located on the other side of the positioning vertical plate 11, and a driving motor 113 is arranged at one end of the transmission gear 112.

[0019] It should be noted that in this embodiment, when the arc-shaped groove 261 on the side wall of the longitudinal roller 23 presses against the side edge of the membrane body, the damage caused by squeezing on both sides of the membrane body is reduced. The membrane body first enters through one end of the component installation side plate 10, and through the operation of the drive motor 113, the execution end of the drive motor 113 drives the transmission gear 112 to rotate, and as the transmission gear 112 drives the pressing roller 111 to rotate, the membrane body is pressed and adjusted.

[0020] like Figure 2 , 3 As shown, the auxiliary movable driven roller 12 is arranged on the side wall of the component mounting side plate 10 and located on both sides of the width adjustment component 20, and the width adjustment component 20 includes a connecting cross bar 21 arranged on the side wall of the component mounting side plate 10 and located on one side of the auxiliary movable driven roller 12, a fixed connecting rod 22 arranged on the top of the component mounting side plate 10 and located at one end of the auxiliary movable driven roller 12, a longitudinal roller 23 arranged at the bottom of one end of the fixed connecting rod 22 and connected to the top end of the connecting cross bar 21, a telescopic cylinder 24 arranged on the top of the component mounting side plate 10 and located at the other end of the auxiliary movable driven roller 12, a movable connecting rod 25 arranged at the execution end of the telescopic cylinder 24 and slidably connected to the other end of the top of the connecting cross bar 21, and an adjustment roller 26 arranged at the bottom end of the movable connecting rod 25 and slidably connected to the other end of the top of the connecting cross bar 21.

[0021] It should be noted that, in the present embodiment, as the auxiliary movement of one side of the pressing roller 111 is assisted by the driven roller 12 and moved downward toward the connecting cross bar 21, the longitudinal roller 23 on the fixed connecting rod 22 is pressed and limited to fix the side edge of one side of the membrane body, and the preset width is adjusted by pressing the control host. The PLC controller receives the signal and controls the telescopic cylinder 24 to work. The execution end of the telescopic cylinder 24 drives the moving connecting rod 25 and the adjusting roller 26 to move together. The bottom of the moving connecting rod 25 and the adjusting roller 26 slide on the top of the connecting cross bar 21, and the adjusting roller 26 continuously squeezes the other side of the membrane body to adjust the width of the membrane body. Similarly, the arc-shaped groove 261 on the side wall of the adjusting roller 26 flexibly protects the side wall of the membrane body to prevent damage to the side wall of the membrane body caused by multiple active squeezing.

[0022] like Figure 2 , 3 As shown, the number of auxiliary movable driven rollers 12 is at least one, both ends of the auxiliary movable driven rollers 12 are slidably connected to the component mounting side plates 10, both ends of the pressing rollers 111 are slidably connected to the side walls of the positioning vertical plates 11, the adjustment roller 26 has the same structure as the longitudinal roller 23, the side wall of the adjustment roller 26 is provided with an arc-shaped groove 261, and the top of the connecting cross bar 21 and the top of the auxiliary movable driven roller 12 are located on the same horizontal line.

[0023] It should be noted that, in the present embodiment, the top of the connecting cross bar 21 and the top of the auxiliary movable driven roller 12 are located on the same horizontal line; the adjustment roller 26 and the longitudinal roller 23 use flexible extrusion adjustment on both sides of the membrane body, which not only realizes the width adjustment but also prevents the membrane body from generating internal stress and deformation; then it overflows from the connecting cross bar 21, and with the auxiliary movable driven roller 12 on one side of the connecting cross bar 21, the pressing roller 111 that moves downward to the other side is driven to restore the thickness of the squeezed membrane body again.

[0024] The working principle of the utility model is:

[0025] The electrical components in this utility model are all triggered by the PLC controller, and the PLC controller model is "6ES7315-2EH14-0AB0"

[0026] In the utility model, after the whole device is powered on and ready, the membrane body first enters through one end of the component installation side plate 10, and through the operation of the driving motor 113, the driving motor 113 execution end drives the transmission gear 112 to rotate, and as the transmission gear 112 drives the pressing roller 111 to rotate, the membrane body is pressed and adjusted, and the top of the connecting cross bar 21 and the top of the auxiliary movable driven roller 12 are located at the same horizontal line; as the auxiliary movable driven roller 12 on one side of the pressing roller 111 is auxiliary driven to move down toward the connecting cross bar 21, the longitudinal roller 23 on the fixed connecting rod 22 is pressed and limited to fix the side edge of one side of the membrane body, wherein the arc-shaped groove 261 on the side wall of the longitudinal roller 23 is pressed against the side edge of the membrane body, thereby reducing the damage caused by squeezing on both sides of the membrane body, and the width is adjusted by pressing the preset width of the control host, and the PLC controller receives the signal And control the telescopic cylinder 24 to work, the execution end of the telescopic cylinder 24 drives the mobile connecting rod 25 and the adjustment roller 26 to move together, the mobile connecting rod 25 and the bottom of the adjustment roller 26 slide on the top of the connecting cross bar 21, and the adjustment roller 26 continuously squeezes the other side of the membrane to adjust the width of the membrane. Similarly, the arc groove 261 of the side wall of the adjustment roller 26 flexibly protects the side wall of the membrane to prevent damage to the side wall of the membrane caused by multiple active squeezing. The adjustment roller 26 and the longitudinal roller 23 use flexible squeezing adjustment on both sides of the membrane to achieve width adjustment while preventing the membrane from generating internal stress and deformation; then it overflows from the connecting cross bar 21, and with the auxiliary movement of the driven roller 12 on one side of the connecting cross bar 21, the pressing roller 111 that moves down to the other side to restore the thickness of the squeezed membrane again.

Claims

1. A film extrusion width automatic adjustment device, comprising a component mounting side plate (10), characterized in that: A positioning vertical plate (11) symmetrically arranged at both ends of the top of the component mounting side plate (10), a width adjustment component (20) arranged at the top of the component mounting side plate (10) and located on one side of the positioning vertical plate (11), an auxiliary movable driven roller (12) arranged on the side wall of the component mounting side plate (10) and located on both sides of the width adjustment component (20), the width adjustment component (20) comprising a connecting cross bar (21) arranged on the side wall of the component mounting side plate (10) and located on one side of the auxiliary movable driven roller (12), a fixed connecting rod (22) arranged at the top of the component mounting side plate (10) and located at one end of the auxiliary movable driven roller (12), and a longitudinal roller (23) arranged at the bottom of one end of the fixed connecting rod (22) and connected to one end of the top of the connecting cross bar (21).

2. The film extrusion width automatic adjustment device according to claim 1, characterized in that: The width adjustment component (20) further comprises a telescopic cylinder (24) disposed at the top of the component mounting side plate (10) and located at the other end of the auxiliary movable driven roller (12), a movable connecting rod (25) disposed at the execution end of the telescopic cylinder (24) and slidably connected to the other end of the top of the connecting cross bar (21), and an adjustment roller (26) disposed at one end of the bottom of the movable connecting rod (25) and slidably connected to the other end of the top of the connecting cross bar (21).

3. The film extrusion width automatic adjustment device according to claim 1, characterized in that: A pressing roller shaft (111) is embedded in one side of the positioning vertical plate (11), a transmission gear (112) is provided at one end of the pressing roller shaft (111) and located on the other side of the positioning vertical plate (11), and a driving motor (113) is provided at one end of the transmission gear (112).

4. The automatic film extrusion width adjustment device according to claim 1, characterized in that: The number of the auxiliary movable driven roller shaft (12) provided is at least one, and both ends of the auxiliary movable driven roller shaft (12) are slidably connected to the component mounting side plate (10).

5. The automatic film extrusion width adjustment device according to claim 3, characterized in that: Both ends of the pressing roller shaft (111) are slidably connected to the side walls of the positioning vertical plate (11).

6. The automatic film extrusion width adjustment device according to claim 2, characterized in that: The adjustment roller shaft (26) has the same structure as the longitudinal roller shaft (23), and a side wall of the adjustment roller shaft (26) is provided with an arc-shaped groove (261).

7. The automatic film extrusion width adjustment device according to claim 1, characterized in that: The top of the connecting cross bar (21) and the top of the auxiliary movable driven roller shaft (12) are located on the same horizontal line.

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