Raw material mixing, stirring and feeding device for PE film production

Abstract

The utility model relates to a raw material mixing, stirring and feeding device for PE film production, which comprises an industrial mechanical arm arranged on the front side of a hopper of mixing and stirring equipment and used for grabbing a material bag, a material guide groove is arranged between the hopper and the industrial mechanical arm, and a material bag supporting sliding plate is horizontally arranged inside the upper end of the material guide groove. The top of the material bag supporting sliding plate is in sliding fit with the material bag in the front-back direction, a cutting knife used for cutting the bottom of the material bag is arranged at the top of the material bag supporting sliding plate, and the material bag supporting sliding plate is driven by a driving piece to swing downwards. An industrial mechanical arm is used for grabbing a material bag and then forms sliding fit with a material bag supporting sliding plate with a cutting knife at the top, the cutting knife at the top of the material bag supporting sliding plate cuts the bottom of the material bag, and then the material bag supporting sliding plate swings downwards, so that raw materials in the material bag fall into a material guide groove from the bottom and fall into a hopper along the material guide groove; the whole process does not need to manually carry the material bag to the hopper and cut the material bag, so that the feeding efficiency is improved, and the labor intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a raw material mixing and stirring feeding device for PE film production. BACKGROUND

[0002] PE film is the simplest high molecular organic compound structure, and the most widely used polymer material in the world today. The biggest advantage of PE protective film is that the protected product is not polluted, corroded, scratched and the original smooth and bright surface is protected during production, processing, transportation, storage and use, thereby improving the quality of the product and market competitiveness. In the production of PE film, a plurality of raw material particles need to be uniformly mixed together, and then the raw materials are melted and shaped. Usually, a mixing and stirring equipment is used to mix and stir the raw material particles.

[0003] However, the current mixing and stirring equipment relies on manual operation to carry the whole bag of raw material particles (PE particles) to the hopper of the mixing and stirring equipment, cut the whole bag of raw material particles with a knife, and then manually pour the raw material particles into the hopper of the mixing and stirring equipment to realize the feeding of the raw material particles. In this manual feeding mode, the operation is not convenient because the manual carrying and cutting are required, the feeding is not ideal, and the manual carrying of the whole bag of raw material particles with a large weight has a problem of high labor intensity. SUMMARY

[0004] The utility model makes improvements in view of the problems existing in the prior art, that is, the technical problem to be solved by the utility model is to provide a raw material mixing and stirring feeding device for PE film production, which is reasonable in design, improves the feeding efficiency, and reduces the labor intensity.

[0005] In order to achieve the above purpose, the utility model adopts the technical scheme of a raw material mixing and stirring feeding device for PE film production, which comprises an industrial robot arm arranged in front of the hopper of a mixing and stirring equipment and used for grabbing a material bag, a guide chute is arranged between the hopper and the industrial robot arm, the guide chute is inclined with the front end being higher and the rear end being lower, a material bag supporting slide plate is horizontally arranged inside the upper end of the guide chute, the top of the material bag supporting slide plate is beneficial to sliding cooperation with the material bag grabbed by the industrial robot arm in the front-rear direction, a cutting knife is arranged on the top of the material bag supporting slide plate and used for contacting the bottom of the material bag and cutting the bottom of the material bag, the material bag supporting slide plate is driven by a driving member to swing downward, so that the raw materials in the material bag fall into the guide chute.

[0006] Further, the left and right side walls of the front end of the material bag supporting slide plate are respectively hinged to the side walls of the guide chute through longitudinal rotating shafts.

[0007] Further, the driving member comprises a driving cylinder arranged below the middle of the material bag supporting slide plate, the driving cylinder is inclined with the front end being lower and the rear end being higher, the cylinder base of the driving cylinder is hinged with the groove bottom of the material guiding groove, the cylinder rod of the driving cylinder extends to the rear side and is hinged with the rear end bottom of the material bag supporting slide plate, and the cylinder rod of the driving cylinder drives the material bag supporting slide plate to swing up and down around the longitudinal rotating shaft when the cylinder rod extends and retracts.

[0008] Further, the cross section of the material guiding groove is in U shape, and the lower end of the material guiding groove is connected with the front end of the hopper.

[0009] Further, the execution end of the industrial mechanical arm is provided with a clamping assembly, the clamping assembly comprises a pair of left and right oppositely arranged clamping plates, and the pair of clamping plates are driven by a pair of left and right distributed clamping cylinders to move towards each other or away from each other to clamp or release the upper end of the material bag.

[0010] Compared with the prior art, the utility model has the following effects: the utility model discloses reasonable structure design, after the industrial mechanical arm is used for grabbing the material bag, the material bag supporting slide plate with the cutting knife at the top forms the sliding cooperation, the cutting knife at the top of the material bag supporting slide plate cuts the bottom of the material bag, then the material bag supporting slide plate swings down, so that the raw materials in the material bag fall into the material guiding groove from the bottom, finally fall into the hopper of the mixing and stirring equipment along the material guiding groove, realize feeding, the whole process does not need manual manual carrying of the material bag to the hopper and cutting of the material bag, not only improves the feeding efficiency, but also reduces the manual labor intensity. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the front view structure schematic diagram of the utility model embodiment;

[0012] Fig. 2 It is the plan view structure schematic diagram of the material guiding groove in the utility model embodiment. DETAILED DESCRIPTION

[0013] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0014] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as the limitation of the utility model.

[0015] As Figs. 1-2As shown, the utility model discloses a raw material mixing and stirring feeding device for PE film production, which comprises an industrial robot arm 3 arranged in front of a hopper 2 of a mixing and stirring device 1 and used for grabbing a material bag, the hopper is arranged at the bottom of the mixing and stirring device, a guide chute 4 is arranged between the hopper 2 and the industrial robot arm 3, the guide chute 4 is inclined with the front end being higher than the rear end, an upper end of the guide chute 4 is internally horizontally provided with a material bag supporting slide 5, a top of the material bag supporting slide 5 is slidably matched with the material bag 6 grabbed by the industrial robot arm 3 in the front-rear direction, the top of the material bag supporting slide 5 is provided with a cutting knife 7 used for contacting the bottom of the material bag 6 and cutting the bottom of the material bag 6, the material bag supporting slide 5 is driven downward by a driving member to make the raw material in the material bag fall into the guide chute.

[0016] In the embodiment, the front end left and right sidewalls of the material bag supporting slide 5 are respectively hinged to the sidewalls of the guide chute 4 through longitudinal rotating shafts 8, and the material bag supporting slide rotates up and down about the longitudinal rotating shafts.

[0017] In the embodiment, the cutting knife 7 is vertically fixed on the top of the material bag supporting slide, and the rear end of the upper end of the cutting knife is in a circular arc shape. The material bag supporting slide is in a rectangular shape, and the width of the material bag supporting slide is slightly smaller than the width of the guide chute.

[0018] In the embodiment, the driving member comprises a driving cylinder 9 arranged directly below the middle of the material bag supporting slide 5, the driving cylinder 9 is inclined with the front end being lower than the rear end, the cylinder seat of the driving cylinder 9 is hinged to the groove bottom of the guide chute 4, the cylinder rod of the driving cylinder 9 extends towards the rear side and is hinged to the rear end bottom of the material bag supporting slide 5, and the cylinder rod of the driving cylinder 9 drives the material bag supporting slide 5 to rotate up and down about the longitudinal rotating shaft 8 when the cylinder rod extends and retracts.

[0019] In the embodiment, the cross section of the guide chute 4 is in a U shape, and the lower end of the guide chute 4 is connected to the front end of the hopper 2. The top surface position of the material bag supporting slide is lower than the top surface of the guide chute.

[0020] In another embodiment, the execution end of the industrial robot arm 3 is provided with a clamping assembly 10, which includes a pair of left and right oppositely arranged clamping plates 11, and the pair of clamping plates 11 are driven by a pair of left and right distributed clamping cylinders to move towards or away from each other to clamp or release the upper end of the material bag 6. It should be noted that when the raw materials in the material bag fall, the pair of clamping plates of the execution end of the industrial robot arm will gradually move towards each other to keep clamping the material bag, and after the feeding is completed, the empty material bag will be moved to the side of the guide chute. Further, the clamping assembly of the execution end can also use other types of structures, and the pair of oppositely distributed hooks can also be used to hook the material bag, which is similar to the existing bag grabbing robot arm. The industrial robot arm is a mature product, which is a mechanical and electronic device that imitates the functions of the arm, wrist and hand. It can move any object or tool according to the time-varying requirements of the spatial pose (position and attitude), so as to complete the operation requirements of certain industrial production. Here, the specific structure and working principle will not be repeated.

[0021] In actual use, the stacked material bags can be placed on the front side of the industrial robot arm for easy grabbing by the industrial robot arm.

[0022] If the utility model discloses or involves mutually fixed connecting parts or structural members, then, except for another declaration, fixed connection can be understood as: detachable fixed connection (for example, using bolt or screw connection), and also can be understood as: non-detachable fixed connection (for example, riveting, welding), of course, the mutual fixed connection can also be replaced by an integral structure (for example, using casting process integral forming manufacturing) (obviously, except for integral forming process).

[0023] In addition, the terms used to represent the position relationship or shape in any of the above technical solutions of the utility model disclosed herein include the state or shape similar, similar or close to the above terms, except for another declaration.

[0024] Any component provided by the utility model can be assembled from multiple individual components, or can be an individual component manufactured by integral forming process.

[0025] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model and not to limit them; although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the utility model can be modified or some technical features can be replaced by equivalents; without departing from the spirit of the technical solutions of the utility model, they should be covered in the technical solution range of the utility model claimed.

Claims

1. A raw material mixing and stirring feeding device for PE film production, comprising an industrial robot arm arranged in front of a hopper of a material mixing and stirring device and used for grabbing a material bag, characterized in that: The material hopper is provided with a material guide groove between the material hopper and the industrial mechanical arm, the material guide groove is inclined with the front end being higher and the rear end being lower, the upper end of the material guide groove is internally provided with a material bag supporting slide plate, the top of the material bag supporting slide plate is slidably matched with the material bag grabbed by the industrial mechanical arm in the front-rear direction, the top of the material bag supporting slide plate is provided with a cutting knife for contacting and cutting the bottom of the material bag, the material bag supporting slide plate is driven downward by a driving member to swing to make the raw material in the material bag fall into the guide groove.

2. The raw material mixing, stirring and feeding device for PE film production according to claim 1, characterized in that: The left and right side walls of the front end of the material bag supporting slide plate are respectively hinged to the side walls of the material guide groove through longitudinal rotating shafts.

3. The raw material mixing, stirring and feeding device for PE film production according to claim 2, characterized in that: The driving member includes a driving cylinder arranged directly below the middle of the material bag supporting slide plate, the driving cylinder is inclined with the front end being lower and the rear end being higher, the cylinder seat of the driving cylinder is hinged to the groove bottom of the material guide groove, the cylinder rod of the driving cylinder extends to the rear side and is hinged to the rear end bottom of the material bag supporting slide plate, and the cylinder rod of the driving cylinder drives the material bag supporting slide plate to swing up and down around the longitudinal rotating shaft when the cylinder rod extends and retracts.

4. The raw material mixing, stirring and feeding device for PE film production according to claim 1, characterized in that: The cross section of the material guide groove is in a U shape, and the lower end of the material guide groove is connected to the front end of the material hopper.

5. The raw material mixing, stirring and feeding device for PE film production according to claim 1, characterized in that: The execution end of the industrial mechanical arm is provided with a clamping assembly, the clamping assembly includes a pair of left and right oppositely arranged clamping plates, and the pair of clamping plates are driven by a pair of left and right distributed clamping cylinders to move towards or away from each other to clamp or release the upper end of the material bag.

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