Feeding device for plastic self-sealing bag production

By designing the transmission components and adjusting rods, the problem of bag damage caused by aluminum strip limiting was solved, achieving stable conveying and quality protection of different bags during the self-sealing bag production process.

CN223851039UActive Publication Date: 2026-01-30QINGDAO WEST COAST CAIYOUQI PACKAGING MATERIALS CO LTD
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Patent Information

Application Number
CN202520467197.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-01-30
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

In the current production process of plastic self-sealing bags, the aluminum strip limiting device needs to be adjusted frequently, which leads to problems such as indentations, damage or deformation of the bags.

Method used

The transmission assembly drives the bidirectional screw to rotate synchronously, adjusting the position of the limit plate and sliding wheel to adapt to bags of different sizes or shapes, avoiding over-compression. The position is fixed by the adjusting rod and fixing parts to ensure the quality of the bag.

Benefits of technology

It improves the adaptability of the equipment, avoids bag dents, damage or deformation, ensures product quality, and enhances the service life and convenience of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a feeding device for plastic ziplock bag production, which comprises a feeding table, a mounting groove is arranged on the feeding table, a conveying belt is mounted at the mounting groove, two groups of mounting plates are arranged at the top of the feeding table and are symmetrically distributed, two groups of screws are rotatably connected onto the mounting plates, and the two groups of screws are arranged on the feeding table. The two screw rods are symmetrically distributed about the central axis of the mounting plate, the screw rods are in threaded connection with a moving plate, and a limiting plate is arranged on one side of the moving plate; a rotating groove is formed in one side of the limiting plate, a plurality of sliding wheels are rotationally connected into the rotating groove, and the sliding wheels are distributed at equal intervals in an array mode. According to the feeding device for plastic self-sealing bag production, equipment can conveniently adapt to bags of different sizes or shapes, the adaptability of the equipment is enhanced, meanwhile, the bags are prevented from being pressed too tightly, indentation, damage or deformation of the bags are avoided, and it is guaranteed that the quality of products is not affected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of plastic self-sealing bag production, especially a feeding device for plastic self-sealing bag production. BACKGROUND

[0002] Plastic self-sealing bags are widely used for packaging various items. In the production process of plastic self-sealing bags, labels can be attached to the bags to indicate the production batch number and production date of the product. During the labeling process, the bags are usually fed by a conveyor belt, which transports the bags to a labeling machine for labeling.

[0003] In the existing feeding device, the conveyor belt transports the bags. To prevent the bags from shifting or misaligning, an aluminum strip is installed to limit the bags, ensuring that they always travel along the center of the conveyor belt, thereby reducing the deviation of the bags during production. However, since the installation position of the aluminum strip is usually fixed, when the production line needs to adjust bags of different sizes or shapes, the aluminum strip limit may need to be frequently adjusted or disassembled. At the same time, the aluminum strip limit may be too tight, causing the bags to have indentations, damage, or deformation, thereby damaging the quality of the product. SUMMARY

[0004] The main purpose of the utility model is to provide a feeding device for plastic self-sealing bag production, which can effectively solve the technical problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A feeding device for plastic self-sealing bag production, comprising a feeding table, the feeding table is provided with a mounting groove, the mounting groove is provided with a conveyor belt, the top of the feeding table is provided with two groups of mounting plates, the two groups of mounting plates are symmetrically distributed, the mounting plates are rotatably connected with two groups of screws, the two groups of screws are symmetrically distributed about the central axis of the mounting plate, the screws are threadedly connected with a moving plate, and the moving plate is provided with a limiting plate on one side; a rotating groove is formed on one side of the limiting plate, a plurality of sliding wheels are rotatably connected inside the rotating groove, and the plurality of sliding wheels are arrayed at equal intervals; a transmission assembly is arranged on the screw, and the transmission assembly is used to drive the two groups of screws to rotate synchronously.

[0007] As a further scheme of the utility model, the transmission assembly comprises a motor arranged on one side of the mounting plate, the output end of the motor is fixedly connected with one end of the screw, the other end of the screw is welded with a chain wheel, and the chain wheel is engaged with a chain.

[0008] As a further scheme of the utility model, an adjusting rod is rotatably connected to the feeding table, a threaded groove is formed in the middle of the two groups of mounting plates, and the adjusting rod is threadedly connected with the threaded groove.

[0009] As a further scheme of the present utility model, the adjusting rod top end is fixedly connected with a fixing piece, and the fixing piece is movably connected with one side of the mounting plate.

[0010] As a further scheme of the present utility model, two groups of sliding holes are formed in the two mounting plates and symmetrically distributed, a limiting rod is fixedly connected to the feeding table, and one end of the limiting rod extends into the sliding hole.

[0011] As a further scheme of the present utility model, two groups of limiting rings are arranged in the middle of the screw rod and symmetrically distributed.

[0012] As a further scheme of the present utility model, one group of the mounting plates is clamped with a protective shell.

[0013] The present utility model has the following beneficial effects:

[0014] The transmission assembly drives the two groups of screw rods to synchronously rotate, the two groups of screw rods are bidirectional screw rods, so that the two groups of screw rods drive the moving plate to move to the middle part at the same time, and drive the limiting plate to move at the same time, the limiting plate is adjusted to a suitable position according to the size of the bag; meanwhile, the sliding wheels are connected with the limiting plate through the rotating grooves, the self-sealing bags on the conveying belt are limited through the sliding wheels, the sliding wheels can rotate, the self-sealing bags are moved and fed by the conveying belt, so that the equipment can adapt to bags of different sizes or shapes, the adaptability of the equipment is enhanced, the bags are prevented from being pressed too tightly to cause indentation, damage or deformation, and the quality of the product is ensured not to be affected;

[0015] The adjusting rod cooperates with the threaded groove to drive the mounting plate to move up and down, so as to adjust the distance between the sliding wheels and the conveying belt, so as to adjust the pressure on the self-sealing bags, after the adjustment is completed, the position of the adjusting rod is fixed through the fixing piece, so as to prevent the adjusting rod from rotating, so as to ensure the position of the mounting plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an overall structural schematic view of the present utility model;

[0017] Figure 2 It is a rear view of the present utility model;

[0018] Figure 3 It is a Figure 2 internal view of the protective shell of the present utility model;

[0019] Figure 4 It is a Figure 1 sectional view of the present utility model;

[0020] Figure 5 The utility model relates to a feeding device for plastic self-sealing bag production Figure 4 The enlarged view of A in the middle.

[0021] In the figure: 1, feeding table; 2, mounting groove; 3, conveying belt; 4, mounting plate; 5, screw; 6, moving plate; 7, limiting plate; 8, rotating groove; 9, sliding wheel; 10, chain wheel; 11, chain; 12, motor; 13, protective shell; 14, sliding hole; 15, limiting rod; 16, adjusting rod; 17, fixing piece; 18, limiting ring. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] As Figures 1-5 shown, a feeding device for plastic self-sealing bag production, including feeding table 1, be provided with mounting groove 2 on feeding table 1, mounting groove 2 is installed with conveying belt 3, the top of feeding table 1 is provided with two groups of mounting plate 4, two groups of mounting plate 4 are symmetrically distributed, and two groups of screw 5 are rotatably connected on mounting plate 4, two groups of screw 5 are symmetrically distributed about the central axis of mounting plate 4, and moving plate 6 is threadedly connected on screw 5, and limiting plate 7 is arranged on one side of moving plate 6.

[0024] In the embodiment, rotating groove 8 is formed on one side of limiting plate 7, a plurality of sliding wheels 9 are rotatably connected inside rotating groove 8, and the plurality of sliding wheels 9 are equidistantly arrayed; transmission assembly is arranged on screw 5, and the transmission assembly is used to drive two groups of screw 5 to synchronously rotate.

[0025] When conveying belt 3 on feeding table 1 needs to convey and feed the self-sealing bag, first, drive two groups of screw 5 to synchronously rotate through the transmission assembly, two groups of screw 5 are bidirectional screws, so that two groups of screw 5 drive moving plate 6 to move to the middle part at the same time, and limiting plate 7 is moved at the same time, limiting plate 7 is adjusted to the appropriate position according to the size of the bag, at the same time, sliding wheel 9 is connected with limiting plate 7 through rotating groove 8, the self-sealing bag on conveying belt 3 is limited through the plurality of sliding wheels 9, at the same time, sliding wheel 9 can rotate, which facilitates moving plate 3 to drive the self-sealing bag to move and feed, so that the equipment can adapt to bags of different sizes or shapes, the adaptability of the equipment is enhanced, at the same time, the bag is prevented from being pressed too tightly to avoid indentation, damage or deformation of the bag, and the quality of the product is not affected.

[0026] Two groups of limiting rings 18 are arranged in the middle part of screw 5, the two groups of limiting rings 18 are symmetrically distributed, and the arrangement of limiting ring 18 prevents screw 5 from driving moving plate 6 to fall off, so that the position of moving plate 6 is limited, and the equipment is protected.

[0027] In the embodiment, the transmission assembly includes a motor 12 arranged on one side of the mounting plate 4, the output end of the motor 12 is fixedly connected with the end of a group of screw rods 5, the other ends of the two groups of screw rods 5 are welded with sprockets 10, and the sprockets 10 are engaged with chains 11.

[0028] Through the power of the motor 12, a group of screw rods 5 are driven to rotate, and under the cooperation of the sprockets 10 and the chains 11, the two groups of screw rods 5 are synchronously rotated, so that the staff can operate conveniently and the convenience of using the equipment is increased.

[0029] Meanwhile, one group of the mounting plates 4 is clamped with a protective shell 13, the protective shell 13 is sleeved outside the sprocket 10 by clamping with the mounting plate 4, and the sprocket 10 and the chain 11 are protected, so that the protective property of the equipment is increased and the service life of the equipment is greatly increased.

[0030] In the embodiment, the feeding table 1 is rotationally connected with an adjusting rod 16, the middle part of the two groups of mounting plates 4 is provided with a threaded groove, the adjusting rod 16 is threadedly connected with the threaded groove, the top end of the adjusting rod 16 is fixedly connected with a fixing piece 17, and one side of the fixing piece 17 is movably connected with one side of the mounting plate 4.

[0031] The mounting plate 4 is driven to move up and down by rotating the adjusting rod 16 and cooperating with the threaded groove, so that the distance between the sliding wheels 9 and the conveying belt 3 is adjusted, the pressure on the self-sealing bag is adjusted, after the adjustment is completed, the position of the adjusting rod 16 is fixed by the fixing piece 17, so that the adjusting rod 16 is prevented from rotating, and the position of the mounting plate 4 is ensured.

[0032] In the embodiment, two groups of sliding holes 14 are arranged on the two groups of mounting plates 4, the two groups of sliding holes 14 are symmetrically distributed, a limiting rod 15 is fixedly connected on the feeding table 1, and one end of the limiting rod 15 extends into the sliding hole 14.

[0033] When the mounting plate 4 moves, the limiting rod 15 is slid on the sliding hole 14, the position of the mounting plate 4 is limited, and the mounting plate 4 is prevented from moving.

[0034] It should be noted that the utility model discloses a kind of plastic self-sealing bag production is used to feed device, when the conveying belt 3 on feeding table 1 needs to carry out conveying feeding to self-sealing bag, first pass motor 12 is driven by power, drive a group of screw rod 5 rotation, under the cooperation of sprocket 10 and chain 11, make two groups of screw rod 5 synchronous rotation, two groups of screw rod 5 are bidirectional screw rod, so that two groups of screw rod 5 rotation simultaneously drive moving plate 6 to middle part, simultaneously drive limit plate 7 to move, according to the size of bag, adjust to suitable position by limit plate 7, simultaneously limit ring 18 avoids screw rod 5 drive moving plate 6 from falling off when;Sliding wheel 9 is connected together by rotating groove 8 and limit plate 7 simultaneously, by several sliding wheels 9 to the self-sealing bag on conveying belt 3 is limited, simultaneously sliding wheel 9 can rotate, conveniently conveying belt 3 drive self-sealing bag moves and feeds.

[0035] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A feeding device for producing plastic self-sealing bags, comprising a feeding table (1), wherein a mounting groove (2) is formed on the feeding table (1), and a conveying belt (3) is mounted at the mounting groove (2), characterized in that: The top of the feeding table (1) is provided with two groups of mounting plates (4), which are symmetrically distributed, two groups of screw rods (5) are rotatably connected to the mounting plates (4), two groups of the screw rods (5) are symmetrically distributed about the central axis of the mounting plate (4), the screw rod (5) is threadedly connected with a moving plate (6), and the moving plate (6) is provided with a limiting plate (7) on one side. A rotating groove (8) is formed on one side of the limiting plate (7), a plurality of sliding wheels (9) are rotatably connected in the rotating groove (8), and a plurality of the sliding wheels (9) are arrayed at equal intervals; the screw rod (5) is provided with a transmission assembly, and the transmission assembly is used to drive two groups of screw rods (5) to rotate synchronously.

2. The feeding device for producing plastic self-sealing bags according to claim 1, characterized in that: The transmission assembly comprises a motor (12) arranged on one side of the mounting plate (4), the output end of the motor (12) is fixedly connected with one end of the screw rod (5), and the other end of the screw rod (5) is welded with a chain wheel (10), and the chain wheel (10) is engaged with a chain (11).

3. The feeding device for producing plastic self-sealing bags according to claim 1, characterized in that: The feeding table (1) is rotatably connected with an adjusting rod (16), and the middle part of the two groups of mounting plates (4) is provided with a threaded groove, and the adjusting rod (16) is threadedly connected with the threaded groove.

4. The feeding device for producing plastic self-sealing bags according to claim 3, characterized in that: The top end of the adjusting rod (16) is fixedly connected with a fixing piece (17), and one side of the fixing piece (17) is movably connected with one side of the mounting plate (4).

5. The feeding device for producing plastic self-sealing bags according to claim 1, characterized in that: Two groups of sliding holes (14) are formed in the two groups of mounting plates (4), and the two groups of sliding holes (14) are symmetrically distributed, and a limiting rod (15) is fixedly connected to the feeding table (1), and one end of the limiting rod (15) extends into the sliding hole (14).

6. The feeding device for producing plastic self-sealing bags according to claim 1, characterized in that: The middle part of the screw rod (5) is provided with two groups of limiting rings (18), and the two groups of limiting rings (18) are symmetrically distributed.

7. The feeding device for producing plastic self-sealing bags according to claim 1, characterized in that: One group of the mounting plates (4) is clamped with a protective shell (13).