Film feeding device of blank stacking machine

Abstract

The utility model discloses a film feeding device of a blank stacking machine, and relates to the technical field of plastic production, the film feeding device comprises a feeding mechanism and a discharging mechanism, the feeding mechanism comprises conveying devices arranged at two ends, each conveying device is provided with at least two feeding conveying rollers with power, a film cutting device is arranged between the two conveying devices, and the discharging mechanism is arranged on the discharging mechanism. The film cutting device is provided with a telescopic cutter; a discharging conveying roller is arranged at the end, close to the feeding conveying roller, of the discharging mechanism, the film cutting device can cut a fracture in the film material, and the rotating speed of the discharging conveying roller is larger than that of the feeding conveying roller so that the film material can be pulled apart, and cutting and separation of the film material can be achieved. The multiple tension rollers are arranged between the feeding conveying roller and the discharging conveying roller, a film material is wound on the multiple tension rollers when being conveyed to the discharging mechanism from the feeding mechanism, the tension of the film material can be kept so that continuous feeding can be guaranteed, and the conveying stability after the film is separated can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic production, and particularly relates to an upper film device of an embryo stacking machine. Background Art

[0002] In the production process of plastic bottles, first, bottle embryos need to be injection molded by an injection molding machine, and then the bottle embryos are blow molded by a blow molding machine. In the existing production, after the bottle embryos are injection molded, they need to be automatically fed, and then the bottle embryos need to be stacked for subsequent storage or processing. In the stacking process, in order to prevent adjacent two bottle embryos from sticking together after being stacked for a long time and causing inseparability in subsequent processing, a separation film is placed between the two bottle embryos. Currently, the film is fed by an automatic film feeding machine. However, the current film cutting and feeding processes are not stable enough, which easily leads to insufficient separation after the film is cut, resulting in the failure of film feeding and affecting the processing efficiency. Summary of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides an upper film device of an embryo stacking machine, which can improve the stability of film cutting and film separation.

[0004] An upper film device of an embryo stacking machine according to an embodiment of the utility model includes:

[0005] A feeding mechanism, including conveying devices arranged at both ends. The conveying devices are provided with at least two powered feeding conveying rollers. A film cutting device is arranged between the two conveying devices. The film cutting device has a retractable cutting knife;

[0006] A discharging mechanism, located at the downstream end of the feeding mechanism. One end of the discharging mechanism close to the feeding conveying roller is provided with a discharging conveying roller. The film cutting device can cut a break in the film material. The rotation speed of the discharging conveying roller is greater than that of the feeding conveying roller to break the film material, realizing the cutting and separation of the film material. A plurality of tension rollers are arranged between the feeding conveying roller and the discharging conveying roller. When the film material is conveyed from the feeding mechanism to the discharging mechanism, it winds around the plurality of tension rollers.

[0007] The film feeding device of a stacked embryo machine according to an embodiment of the present utility model has at least the following beneficial effects: This embodiment is provided with a feeding mechanism and a discharging mechanism. The feeding mechanism includes conveying devices arranged at both ends. The conveying devices are provided with at least two powered feeding conveying rollers. A film cutting device is arranged between the two conveying devices. The film cutting device has a retractable cutting knife. One end of the discharging mechanism close to the feeding conveying roller is provided with a discharging conveying roller. The film cutting device can cut a break on the film material. The rotation speed of the discharging conveying roller is greater than that of the feeding conveying roller to break the film material, realizing the cutting and separation of the film material. A plurality of tension rollers are arranged between the feeding conveying roller and the discharging conveying roller. When the film material is conveyed from the feeding mechanism to the discharging mechanism, it winds around the plurality of tension rollers, which can maintain the tension of the film material to ensure continuous feeding and is beneficial to improving the conveying stability after the film is separated.

[0008] According to some embodiments of the present utility model, the discharging conveying roller includes a first roller shaft and a second roller shaft distributed longitudinally. A first transmission belt is wound around the first roller shaft, and a second transmission belt is wound around the second roller shaft. The film material is located between the first transmission belt and the second transmission belt.

[0009] According to some embodiments of the present utility model, along the axial direction of the discharging conveying roller, the first transmission belt and the second transmission belt are arranged staggeredly.

[0010] According to some embodiments of the present utility model, the first transmission belt is embedded between two adjacent second transmission belts.

[0011] According to some embodiments of the present utility model, the discharging conveying roller is provided with a winding groove for winding the first transmission belt or the second transmission belt.

[0012] According to some embodiments of the present utility model, the film cutting device is provided with a translation frame, and the translation frame can be slidably adjusted along the feeding direction to adjust the position of the cutting knife.

[0013] According to some embodiments of the present utility model, the translation frame is provided with a liftable tool holder, and the cutting knife can slide up and down in the tool holder.

[0014] According to some embodiments of the present utility model, a guiding roller is arranged on the feeding mechanism on the side away from the discharging mechanism of the film cutting device. Limiting blocks are arranged at both ends of the guiding roller.

[0015] According to some embodiments of the present utility model, it further includes a machine table. The feeding mechanism is located on the machine table. The machine table is provided with a feeding rack on which the coiled film material can be placed.

[0016] According to some embodiments of the present utility model, a workbench is arranged on one side of the machine table, and the workbench is located below the discharging mechanism.

[0017] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0018] The present utility model will be further described below in conjunction with the drawings and embodiments, where:

[0019] Figure 1 is the first axonometric view of the film feeding device of a stack embryo machine in an embodiment of the present utility model;

[0020] Figure 2 is the first cross-sectional view of the film feeding device of a stack embryo machine in an embodiment of the present utility model;

[0021] Figure 3 is Figure 2 the enlarged view of A in

[0022] Figure 4 is the second cross-sectional view of the film feeding device of a stack embryo machine in an embodiment of the present utility model;

[0023] Figure 5 is Figure 4 the enlarged view of B in

[0024] Figure 6 is the second axonometric view of the film feeding device of a stack embryo machine in an embodiment of the present utility model.

[0025] Reference Signs:

[0026] Feeding mechanism 100; conveying device 101; feeding conveying roller 102; guide rod 103; guiding roller 104; limiting block 105; feeding rack 106; workbench 107; tension roller 108; machine table 109;

[0027] Film cutting device 110; cutting knife 111; tool holder 112; translation rack 113;

[0028] Discharging mechanism 120; first roller shaft 121; second roller shaft 122; first transmission belt 123; second transmission belt 124; wire winding groove 125. Detailed Embodiments

[0029] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.

[0030] In the description of the present utility model, it should be understood that with regard to the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0031] In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, exceeding, etc. are understood as not including the present number, above, below, within, etc. are understood as including the present number. If there is a description of first and second, it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0032] In the description of the present utility model, unless otherwise clearly defined, words such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present utility model in combination with the specific content of the technical solution.

[0033] In the related art, in the production process of plastic bottles, first, a bottle preform needs to be injection-molded by an injection molding machine, and then the bottle preform is blow-molded by a blow molding machine. In the existing production, after the bottle preforms are injection-molded, they need to be automatically loaded, and then the bottle preforms need to be stacked for subsequent storage or processing. In the stacking process, in order to prevent adjacent two bottle preforms from sticking together after long-term stacking and causing inability to separate during subsequent processing, a separator film is placed between the two bottle preforms. Currently, the film is loaded by an automatic film loading machine. However, the current film cutting and feeding process is not stable enough, which easily leads to insufficient separation after film cutting and causes film loading failure, affecting the processing efficiency.

[0034] To solve the above problems, referring to Figure 1 and Figure 6 , in the embodiment of the present utility model, a film loading device for a blank stacking machine is provided, which is provided with a machine table 109. On the machine table 109, there is a loading mechanism 100 and a loading rack 106. The loading rack 106 is located below the loading mechanism 100. The loading rack 106 is used to place the coiled film material. It can be understood that during the production process, the film material extends from the blank roll of the loading rack 106 into the loading mechanism 100 to realize the transportation of the film material.

[0035] It can be understood that the loading mechanism 100 includes conveying devices 101 located at both ends along the feeding direction. The conveying device 101 is provided with at least two powered loading conveying rollers 102. It can be understood that the two loading conveying rollers 102 are arranged in the longitudinal direction, and the loading conveying rollers 102 are clamped on both sides of the film material. When the loading conveying rollers 102 roll, they can drive the film material to be conveyed forward. It can be understood that a film cutting device 110 is provided between the two conveying devices 101. The film cutting device 110 has a retractable cutting knife 111. The arrangement of the conveying devices 101 on both sides of the film cutting device 110 helps to keep the tension of the film material stable during cutting.

[0036] It can be understood that the discharging mechanism 120 is arranged on the downstream side of the loading mechanism 100. One end of the discharging mechanism 120 close to the loading conveying roller 102 is provided with a discharging conveying roller. The film cutting device 110 can cut a break on the film material. The rotation speed of the discharging conveying roller is greater than that of the loading conveying roller 102 to break the film material and realize the cutting and separation of the film material. Further, referring to Figure 6 , a workbench 107 is provided on one side of the machine table 109. The workbench 107 is located below the discharging mechanism 120 and is used to realize the packaging process of the film material and the plastic product.

[0037] Referring to Figure 2 , Figure 4 and Figure 5 , the discharging conveying roller includes a first roller shaft 121 and a second roller shaft 122 distributed longitudinally. A plurality of first transmission belts 123 are wound around the first roller shaft 121, and a plurality of second transmission belts 124 are wound around the second roller shaft 122. The first transmission belts 123 and the second transmission belts 124 are both arranged along the axis direction of the discharging conveying roller. The film material is located between the first transmission belts 123 and the second transmission belts 124. At least one of the first roller shaft 121 and the second roller shaft 122 is connected to a motor to realize the driving of the film material. Further, along the axis direction of the discharging conveying roller, the first transmission belts 123 and the second transmission belts 124 are arranged staggeredly. Further, the first transmission belts 123 are embedded between adjacent second transmission belts 124. It can be understood that in the projection along the axis direction of the discharging conveying roller, the first transmission belts 123 and the second transmission belts 124 overlap, so that the film material can be stably clamped by the first transmission belts 123 and the second transmission belts 124, avoiding the film material from detaching from the discharging conveying roller when the film material is broken in the discharging mechanism 120, thereby ensuring the stable conveying of the film material.

[0038] Further, a wire groove 125 for winding the first transmission belt 123 or the second transmission belt 124 is provided on the discharging conveying roller, which can prevent the first transmission belt 123 and the second transmission belt from generating axial offset during operation, thereby ensuring the stability of conveying the film material.

[0039] It can be understood that a plurality of tension rollers 108 are provided between the loading conveying roller 102 and the discharging conveying roller. There are at least three tension rollers 108, and at least two of the tension rollers 108 are arranged longitudinally. When the film material is conveyed from the loading mechanism 100 to the discharging mechanism 120, it winds around at least three tension rollers 108, which can maintain the tension of the film material to ensure continuous loading, and is beneficial to improving the conveying stability after the separation membrane.

[0040] Refer to Figure 2 and Figure 3 In the loading mechanism 100, a plurality of guide rods 103 are provided. A translation frame 113 is provided on the film cutting device 110, and the translation frame 113 is slidably connected to the guide rods 103, so that the translation frame 113 can be slidably adjusted along the feeding direction, and the position of the cutting knife 111 can be adjusted to adapt to film materials of different specifications or different process requirements. Further, a liftable tool holder 112 is provided on the translation frame 113, and the cutting knife 111 can be lifted and slid within the tool holder 112. It can be understood that during the cutting process, the tool holder 112 rises and presses against the translation frame 113, and at the same time the cutting knife 111 extends from the tool holder 112 to cut the film material or make a plurality of cutouts. After the cutting is completed, the tool holder 112 descends, and at the same time the cutting knife 111 descends and retracts into the tool holder 112 to avoid damage caused by touching the cutting knife 111 during the movement of the film material.

[0041] Further, a guide roller 104 is provided on the loading mechanism 100 on the side of the film cutting device 110 away from the discharging mechanism 120. Limit blocks 105 are provided at both ends of the guide roller 104. It can be understood that during the movement of the film material, it winds around the guide roller 104, and the limit blocks 105 at both ends of the guide roller 104 can prevent the film material from shifting along the axial direction of the guide roller 104, which is beneficial to ensuring the stability of the conveyed film material. Further, at least two guide rollers 104 are provided between the loading frame 106 and the loading conveying roller 102, and limit blocks 105 are also provided at both ends of the guide roller 104 to prevent the film material from shifting.

[0042] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. A film placing device for an embryo stacking machine, characterized in that: include: The feeding mechanism comprises a conveying device arranged at both ends, wherein the conveying device is provided with at least two powered feeding conveying rollers, and a film cutting device is provided between the two conveying devices, wherein the film cutting device has a retractable cutting knife; The discharging mechanism is located at the downstream end of the feeding mechanism. A discharging conveying roller is provided on the end of the discharging mechanism close to the feeding conveying roller. The film cutting device can cut a fracture on the film material. The rotation speed of the discharging conveying roller is greater than the rotation speed of the feeding conveying roller, so as to break the film material and realize the cutting and separation of the film material. A plurality of tension rollers are provided between the feeding conveying roller and the discharging conveying roller. The film material is wound around the plurality of tension rollers when being conveyed from the feeding mechanism to the discharging mechanism.

2. The film loading device of the embryo stacking machine according to claim 1, characterized in that: The discharging conveying roller comprises a first roller shaft and a second roller shaft distributed in the longitudinal direction, a first transmission belt is wound around the first roller shaft, a second transmission belt is wound around the second roller shaft, and the film material is located between the first transmission belt and the second transmission belt.

3. The film loading device of the embryo stacking machine according to claim 2, characterized in that: Along the axial direction of the discharge conveying roller, the first transmission belt and the second transmission belt are arranged alternately.

4. The film loading device of the embryo stacking machine according to claim 3, characterized in that: The first transmission belt is embedded between two adjacent second transmission belts.

5. The film loading device of the embryo stacking machine according to claim 2, characterized in that: The discharging conveying roller is provided with a winding groove for winding the first transmission belt or the second transmission belt.

6. The film loading device of the embryo stacking machine according to claim 1, characterized in that: The film cutting device is provided with a translation frame, and the translation frame can be slidably adjusted along the feeding direction to adjust the position of the cutter.

7. The film loading device of the embryo stacking machine according to claim 6, characterized in that: The translation frame is provided with a liftable knife holder, and the cutter can be lifted and slid in the knife holder.

8. The film loading device of the embryo stacking machine according to claim 1, characterized in that: A guide roller is provided on the feeding mechanism at a side of the film cutting device away from the discharging mechanism, and limit blocks are provided at both ends of the guide roller.

9. The film loading device of the embryo stacking machine according to claim 1, characterized in that: It also includes a machine platform, the feeding mechanism is located on the machine platform, the machine platform is provided with a feeding rack, and the feeding rack can hold the rolled film material.

10. The film loading device of the embryo stacking machine according to claim 9, characterized in that: A workbench is provided on one side of the machine, and the workbench is located below the discharging mechanism.

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