Plastic packaging mechanism

Abstract

The utility model discloses a plastic packaging mechanism, and relates to the technical field of packaging bag production. The conveying device comprises a mounting frame, two rotating shafts are rotationally arranged in the mounting frame, conveying rollers are fixed to the surfaces of the two rotating shafts, a conveying belt is arranged on the surfaces of the two conveying rollers in a transmission mode, a driving motor is fixed to the side end of the mounting frame, and the driving motor is connected with one rotating shaft through a coupler. The multiple placing plates are evenly fixed to the surface of the conveying belt and used for placing plastic inner film packaging bags to be subjected to plastic packaging, inverted-U-shaped frames are fixed to the top ends of the multiple placing plates correspondingly, and clamping plates used for clamping and positioning the plastic inner film packaging bags are arranged in the multiple inverted-U-shaped frames correspondingly; and due to the arrangement of the feeding assembly, automatic discharging of the plastic inner film packaging bags subjected to plastic packaging is achieved, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the packaging bag production technical field, especially, relate to a plastic sealing mechanism. BACKGROUND

[0002] The fertilizer is easy to volatilize when exposed, so the fertilizer bag for packaging fertilizer generally has two layers, one is the outer woven bag to ensure the overall strength and wear resistance, and the other is the plastic inner film bag to ensure the sealing of the bag and prevent the fertilizer from volatilizing or getting wet.

[0003] The plastic inner film needs to be plastic sealed to form a plastic inner film bag with one-way opening, and in the prior art, the plastic sealing device is held by hand to plastic seal the plastic inner film, which is time-consuming and laborious, and the operator is close to the plastic sealing device and is easy to be scalded by the plastic sealing device, which has a safety hazard.

[0004] In view of the above problems, the utility model discloses a plastic sealing mechanism. UTILITY MODEL CONTENTS

[0005] The utility model discloses a plastic sealing mechanism, realize the automatic discharge of plastic inner film packaging bag after plastic sealing through the setting of feeding assembly, improve production efficiency, solve the prior art problems.

[0006] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0007] A plastic sealing mechanism comprises:

[0008] A mounting frame is internally rotated with two rotating shafts, the surfaces of the two rotating shafts are fixed with conveying rollers, the surfaces of the two conveying rollers are driven with a conveying belt, the side end of the mounting frame is fixed with a driving motor, and the driving motor is connected with one of the rotating shafts through a shaft coupling;

[0009] A plurality of placement plates are uniformly fixed on the surface of the conveying belt for placing plastic inner film packaging bags to be plastic sealed, the top end of each placement plate is fixed with an inverted U-shaped frame, and each inverted U-shaped frame is internally provided with a clamping plate for clamping and positioning the plastic inner film packaging bag.

[0010] A plurality of positioning assemblies are respectively arranged in the plurality of inverted U-shaped frames for positioning the plurality of clamping plates.

[0011] An extrusion assembly is arranged on the upper side of the mounting frame and used in cooperation with the plurality of positioning assemblies to drive the clamping plate to clamp and position the plastic inner film packaging bag.

[0012] A feeding assembly is arranged on the upper side of the mounting frame to discharge the plastic inner film packaging bag after plastic sealing.

[0013] A plastic sealing device is fixed to the top end of the mounting frame for plastic sealing of the positioned inner film packaging bag.

[0014] Optionally, each of the positioning assemblies comprises two limiting rods sliding in the inverted U-shaped frame, the clamping plates are fixed to the bottom ends of the two limiting rods, the same movable extrusion plate is fixed to the side ends of the two limiting rods, two return springs are fixed between the inverted U-shaped frame and the movable extrusion plate, and the two return springs are sleeved on the two limiting rods respectively.

[0015] Optionally, the extrusion assembly comprises an L-shaped plate fixed to the top end of the mounting frame, and the side end of the L-shaped plate is fixed with an arc-shaped extrusion plate in extrusion contact with the movable extrusion plate.

[0016] Optionally, the side end of each of the clamping plates is provided with an anti-skid pad.

[0017] Optionally, the side end of the plastic sealing device is fixed with two arc-shaped limiting plates, and a material spacing gap for bagging is arranged between the two arc-shaped limiting plates.

[0018] Optionally, the feeding assembly comprises a fixed plate fixed to the side end of the mounting frame, the side end of the fixed plate is fixed with a U-shaped sliding plate, a sliding block is slidingly arranged in the U-shaped sliding plate, two limiting sliding grooves are formed in the sliding block, two limiting sliding columns are slidingly arranged in the two limiting sliding grooves, a fixed frame is fixed between the two limiting sliding columns, a negative pressure suction disc for sucking the inner film packaging bag is fixed in the fixed frame, two extrusion grooves are formed in the U-shaped sliding plate, the two limiting sliding columns are respectively slidingly arranged in the two extrusion grooves, an electric push rod is fixed in the fixed plate, the output end of the electric push rod is fixed to the side end of the sliding block, and a material collecting box is fixed to the side end of the mounting frame.

[0019] In the application, when used, the driving motor is started to drive the rotating shaft to rotate, the rotating shaft drives the conveying belt to drive the conveying belt to move, the conveying belt drives the placing plate to move to the lower side of the clamping plate, the placing plate drives the movable extrusion plate to move to the lower side of the arc-shaped extrusion plate, the arc-shaped extrusion plate extrudes the movable extrusion plate to move downward, the movable extrusion plate drives the clamping plate to move downward through the plurality of limiting rods, the clamping plate extrudes the positioning plastic inner film packaging bag, the placing plate continues to move to send the plastic inner film packaging bag into the whole material gap formed between the two arc-shaped limiting plates, so that the plastic inner film packaging bag can be stably sent into the plastic sealing device, the plastic inner film packaging bag is sealed by the plastic sealing device, then the placing plate continues to move, the extrusion of the arc-shaped extrusion plate is removed, the elastic reset spring pushes the movable extrusion plate to reset, the movable extrusion plate drives the clamping plate to reset to release the extrusion, the electric push rod is started to drive the sliding block to reset, the sliding block is limited by the extrusion groove when moving, the limiting sliding column drives the fixed frame and the negative pressure suction cup to move downward due to the limiting extrusion of the extrusion groove, the negative pressure suction cup is attached to the surface of the plastic inner film packaging bag, the negative pressure suction cup is started to adsorb the plastic inner film packaging bag, then the electric push rod is started to drive the sliding block, the fixed frame and the negative pressure suction cup to move, and the plastic inner film packaging bag adsorbed by the negative pressure suction cup can be sent into the material receiving box by closing the negative pressure suction cup.

[0020] In the utility model, the positioning assembly and the extrusion assembly can position the plastic inner film packaging bag when approaching the plastic sealing device, and can automatically contact and position the plastic inner film packaging bag when leaving the plastic sealing device.

[0021] In the utility model, the feeding assembly can realize the effect of discharging the plastic inner film packaging bag after plastic sealing.

[0022] In the technical scheme, the cooperation of the conveying belt, the placing plate, the positioning assembly, the extrusion assembly, the feeding assembly and the plastic sealing device realizes accurate positioning and stable clamping of the plastic inner film packaging bag, improves the plastic sealing precision and stability, and the setting of the feeding assembly realizes automatic discharging of the plastic inner film packaging bag after plastic sealing, improving the production efficiency.

[0023] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0024] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0025] Figure 1The front view of the utility model;

[0026] Figure 2 The first partial view of the utility model;

[0027] Figure 3 The partial sectional view of the utility model;

[0028] Figure 4 The second partial view of the utility model.

[0029] In the figure: 1, mounting frame; 2, rotating shaft; 3, conveying belt; 4, L-shaped plate; 5, arc-shaped extrusion plate; 6, placing plate; 7, inverted U-shaped frame; 8, movable extrusion plate; 9, clamping plate; 10, limiting rod; 11, return spring; 12, plastic packaging equipment; 13, arc-shaped limiting plate; 14, fixed plate; 15, U-shaped sliding plate; 16, electric push rod; 17, extrusion groove; 18, sliding block; 19, fixing frame; 20, negative pressure suction disc; 21, limiting sliding groove; 22, material receiving box; 23, driving motor; 24, limiting sliding column. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] In the description of the utility model, it should be understood that the terms "opening", "upper", "middle", "length", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0032] In order to keep the following description of the embodiments of the utility model clear and concise, the utility model omits the detailed description of known functions and known components.

[0033] Embodiment one

[0034] Please refer to Figures 1-4 In the embodiment, a plastic packaging mechanism is provided, which comprises a mounting frame 1, a conveying belt 3, a plurality of placing plates 6, a plurality of positioning assemblies, an extrusion assembly, a feeding assembly and a plastic packaging equipment 12.

[0035] Two rotating shafts 2 are rotatably arranged in the mounting frame 1, the surfaces of the two rotating shafts 2 are fixedly provided with conveying rollers, the surfaces of the two conveying rollers are drivenly provided with a conveying belt 3, the side end of the mounting frame 1 is fixedly provided with a driving motor 23, the driving motor 23 is connected with one of the rotating shafts 2 through a shaft coupling, and is used to drive the rotation of the conveying belt 3,

[0036] A plurality of placing plates 6 are uniformly fixed on the surface of the conveying belt 3, and are used to place plastic inner film packaging bags to be plastic sealed. The top end of each placing plate 6 is fixedly provided with an inverted U-shaped frame 7, and the inverted U-shaped frame 7 is provided with a clamping plate 9 used to clamp and position the plastic inner film packaging bag.

[0037] A plurality of positioning assemblies are arranged in the plurality of inverted U-shaped frames 7, and are used to position the plurality of clamping plates 9. Each positioning assembly comprises two limiting rods 10 slidingly arranged in the inverted U-shaped frame 7. The bottom end of the clamping plate 9 is fixedly provided with the two limiting rods 10. The side end of the two limiting rods 10 is fixedly provided with the same movable extrusion plate 8. Two return springs 11 are fixedly arranged between the inverted U-shaped frame 7 and the movable extrusion plate 8, and the two return springs 11 are respectively sleeved on the two limiting rods 10. When the movable extrusion plate 8 is extruded, the two limiting rods 10 will move inward, thereby driving the clamping plate 9 to clamp and position the plastic inner film packaging bag.

[0038] An extrusion assembly is arranged on the upper side of the mounting frame 1, and is used to drive the clamping plate 9 to clamp and position the plastic inner film packaging bag. Specifically, the extrusion assembly comprises an L-shaped plate 4 fixedly arranged at the top end of the mounting frame 1. The side end of the L-shaped plate 4 is fixedly provided with an arc-shaped extrusion plate 5 in extrusion contact with the movable extrusion plate 8. When the conveying belt 3 drives the placing plate 6 to move to the lower side of the L-shaped plate 4, the arc-shaped extrusion plate 5 will be in contact with and extrude the movable extrusion plate 8, thereby achieving clamping and positioning of the plastic inner film packaging bag.

[0039] A plastic sealing device 12 is fixedly arranged at the top end of the mounting frame 1, and is used to plastic seal the positioned plastic inner film packaging bag. The side end of the plastic sealing device 12 is fixedly provided with two arc-shaped limiting plates 13. The two arc-shaped limiting plates 13 are provided with a material spacing gap used to align the bag, which can further align the bag during the plastic sealing process, thereby improving the plastic sealing effect.

[0040] The side end of each clamping plate 9 is provided with an anti-skid pad, so as to increase the friction between the clamping plate 9 and the plastic inner film packaging bag, and prevent the plastic inner film packaging bag from sliding during the plastic sealing process.

[0041] Embodiment two

[0042] On the basis of the embodiment one, the reference is made to the attached drawings Figure 1The plastic sealing mechanism further comprises a feeding assembly arranged on the upper side of the mounting frame 1, which is used for discharging the plastic inner film packaging bag after plastic sealing. The feeding assembly comprises a fixed plate 14 fixed to the side end of the mounting frame 1, a U-shaped sliding plate 15 fixed to the side end of the fixed plate 14, a sliding block 18 slidingly arranged in the U-shaped sliding plate 15, two limiting sliding grooves 21 arranged in the sliding block 18, two limiting sliding columns 24 slidingly arranged in the two limiting sliding grooves 21, a fixed frame 19 fixed between the two limiting sliding columns 24, a negative pressure suction disc 20 arranged in the fixed frame 19 and used for sucking the plastic inner film packaging bag, two extrusion grooves 17 arranged in the U-shaped sliding plate 15, the two limiting sliding columns 24 respectively slidingly arranged in the two extrusion grooves 17, an electric push rod 16 fixed in the fixed plate 14, and an output end of the electric push rod 16 fixed to the side end of the sliding block 18. When the plastic sealing is completed, the electric push rod 16 drives the sliding block 18 to move, thereby driving the negative pressure suction disc 20 to suck the plastic inner film packaging bag after plastic sealing and move the plastic inner film packaging bag to a material collecting box 22 arranged at the side end of the mounting frame 1. The sliding block 18 is reset by starting the electric push rod 16, and the sliding block 18 is limited by the extrusion groove 17 when moving. The limiting sliding column 24 drives the fixed frame 19 and the negative pressure suction disc 20 to move downward due to the limiting extrusion of the extrusion groove 17, and the negative pressure suction disc 20 is attached to the surface of the plastic inner film packaging bag. The negative pressure suction disc 20 is started to adsorb the plastic inner film packaging bag, and then the sliding block 18, the fixed frame 19 and the negative pressure suction disc 20 are moved by starting the electric push rod 16. The plastic inner film packaging bag adsorbed by the negative pressure suction disc 20 can be sent to the material collecting box 22 by closing the negative pressure suction disc 20.

[0043] It should be noted that in the description of the present specification, the description such as "first", "second", etc. is only used to distinguish various features, and does not have actual order or pointing meaning, and the present application is not limited thereto.

[0044] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A plastic sealing mechanism, characterized by comprising: Include: The mounting frame (1), two rotating shafts (2) are rotated in the mounting frame (1), the surface of two rotating shafts (2) is fixed with conveying roller, the surface of two conveying rollers is driven with conveying belt (3), the side end of mounting frame (1) is fixed with driving motor (23), driving motor (23) is connected with one rotating shaft (2) through coupling; Multiple placement plates (6) are uniformly fixed on the surface of conveying belt (3) for placing plastic inner film packaging bag to be plastic sealed, the top end of multiple placement plates (6) is fixed with inverted U frame (7), multiple inverted U frames (7) are provided with clamping plate (9) for clamping and positioning plastic inner film packaging bag; Multiple positioning assemblies are respectively provided in multiple inverted U frames (7) for positioning multiple clamping plates (9); And extrusion assembly used in cooperation with multiple positioning assemblies, extrusion assembly is provided on the upper side of mounting frame (1) for driving clamping plate (9) to clamp and position plastic inner film packaging bag; Feeding assembly, feeding assembly is provided on the upper side of mounting frame (1) for discharging plastic inner film packaging bag after plastic sealing; Plastic sealing equipment (12), plastic sealing equipment (12) is fixed on the top end of mounting frame (1) for plastic sealing of positioned plastic inner film packaging bag.

2. The encapsulation mechanism of claim 1, wherein, Each positioning assembly includes two limiting rods (10) sliding in the inverted U frame (7), the clamping plate (9) is fixed on the bottom end of the two limiting rods (10), the side end of the two limiting rods (10) is fixed with the same movable extrusion plate (8), the inverted U frame (7) and the movable extrusion plate (8) are fixed with two reset springs (11), two reset springs (11) are respectively sleeved on two limiting rods (10).

3. The encapsulation mechanism of claim 2, wherein the encapsulation mechanism is a plastic encapsulation mechanism. The extrusion assembly includes L-shaped plate (4) fixed on the top end of mounting frame (1), the side end of L-shaped plate (4) is fixed with arc-shaped extrusion plate (5) in extrusion contact with movable extrusion plate (8).

4. The encapsulation mechanism of claim 2, wherein the encapsulation mechanism is a plastic encapsulation mechanism. The side end of multiple clamping plates (9) is provided with anti-skid pad.

5. The encapsulation mechanism of claim 1, wherein The side end of the plastic sealing equipment (12) is fixed with two arc-shaped limiting plates (13), two arc-shaped limiting plates (13) are provided with material gap for whole bag.

6. A plastic packaging mechanism according to any one of claims 1 to 3, wherein The feeding assembly includes a fixed plate (14) fixed to the side end of the mounting frame (1), the side end of the fixed plate (14) is fixedly connected with a U-shaped sliding plate (15), the U-shaped sliding plate (15) is slidably connected with a sliding block (18), the sliding block (18) is provided with two limiting sliding grooves (21), the two limiting sliding grooves (21) are slidably connected with limiting sliding columns (24), the two limiting sliding columns (24) are fixedly connected with a fixed frame (19), the fixed frame (19) is fixedly connected with a negative pressure suction disc (20) for sucking plastic inner film packaging bags, the U-shaped sliding plate (15) is provided with two extrusion grooves (17), the two limiting sliding columns (24) are slidably arranged in the two extrusion grooves (17), the fixed plate (14) is fixedly connected with an electric push rod (16), the output end of the electric push rod (16) is fixedly connected with the side end of the sliding block (18), and the side end of the mounting frame (1) is fixedly connected with a material collecting box (22).

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