Small heat-sealing and cold-cutting bag making machine

By designing a small heat sealing and cold-cut bag making machine, the problems of large, high cost and low efficiency of traditional bag making machines are solved, and compact and efficient plastic bag production and direct and seamless connection and transmission are achieved, which improves packaging efficiency and reduces production costs.

CN222807731UActive Publication Date: 2025-04-29WENZHOU HOTTING MASCH CO LTD
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Patent Information

Application Number
CN202421589118.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-04-29
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

Due to the complex collection structure of traditional bag making machines, the equipment is large, which increases the cost of equipment and affects production efficiency, and is not suitable for bag-feeding packaging machines.

Method used

A small heat sealing and cold cutting bag making machine is designed. The frame is equipped with unwinding, traction, material storage, heat sealing, traction, cold cutting and discharge mechanisms in turn. The heat sealing and cold cutting mechanism operate simultaneously, and are equipped with tension adjustment components. The discharge mechanism is directly connected to the bag-type packaging machine.

Benefits of technology

It realizes the equipment structure is compact and small, the plastic bag production process is stable and efficient, the heat sealing and cold cutting are accurate and reliable, and the direct and seamless connection are transmitted to the bag-feeding packaging machine, improving packaging efficiency and reducing production costs.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a small heat-sealing and cold-cutting bag making machine which comprises a rack and is characterized in that an unwinding mechanism, a first traction mechanism, a storage mechanism, a heat-sealing mechanism, a second traction mechanism, a cold-cutting mechanism and a discharging mechanism are sequentially arranged on the rack, the heat-sealing mechanism and the cold-cutting mechanism act synchronously, and the discharging mechanism is arranged on the rack. Tension adjusting components are arranged in front of the heat sealing mechanism and in front of the cold cutting mechanism, and a bag feeding type packaging machine is connected behind the discharging mechanism. The device is compact in structure, stable, efficient, accurate and reliable, is connected with a bag feeding type packaging machine, and improves the packaging efficiency.
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Description

Technical Field

[0001] The utility model relates to an improved invention of a bag making machine, in particular to an improved invention of a small heat-sealing and cold-cutting bag making machine. Background Art

[0002] Traditional bag making machines are used to produce plastic packaging bags, which usually include film unwinding, heat sealing, cold cutting and collection. The collection structure is complex, resulting in a larger overall machine model. When the collected packaging bags are used in a bag-feeding packaging machine, a bag feeding mechanism is required. Therefore, the collection, storage and delivery of packaging bags increase equipment costs and affect production efficiency, making traditional bag making machines unsuitable for bag-feeding packaging machines. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a small heat-sealing and cold-cutting bag-making machine.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: the small heat-sealing and cold-cutting bag-making machine comprises a frame, characterized in that a reeling mechanism, a first traction mechanism, a material storage mechanism, a heat-sealing mechanism, a second traction mechanism, a cold-cutting mechanism and a discharging mechanism are sequentially arranged on the frame, the heat-sealing mechanism and the cold-cutting mechanism act synchronously, and tension adjusting components are arranged before the heat-sealing mechanism and before the cold-cutting mechanism, and a bag-feeding packaging machine is connected after the discharging mechanism.

[0005] The heat sealing mechanism comprises a heat sealing knife and a heat sealing platform. The heat sealing knife is arranged on the heat sealing platform in a liftable manner and is provided with a lifting power source.

[0006] The lifting power source is a cam transmission mechanism, the heat sealing knife is connected to the bottom of the cross beam, the cross beam is equipped with left and right guide rods, the guide rods can be movably installed on the heat sealing table, and the lower ends of the guide rods are connected to the cam transmission mechanism.

[0007] The cold cutting mechanism comprises an upper cutter and a lower cutter. The upper cutter can be raised and lowered and is arranged above the lower cutter. The upper cutter is connected with a cam transmission mechanism via a connecting rod and a swing arm.

[0008] The discharging mechanism includes a discharging table and a pulling manipulator. The pulling manipulator can move forward and backward and is arranged on both sides of the discharging table and is equipped with a driving structure. One end of the discharging table is connected to the second traction mechanism, and the other end of the discharging table is connected to the bag packaging machine.

[0009] The tension adjustment component includes an adjusting roller, and sliders are provided at both ends of the adjusting roller. The sliders can be lifted and moved and are arranged on the side beams of the gantry, and a column is threadedly connected to the slider. The upper end of the column can be rotatably passed through the cross beam of the gantry. A driving cross bar and a driving hand wheel are rotatably provided on the gantry, and the driving cross bar and the upper end of the column are connected by a bevel gear set.

[0010] The material storage mechanism comprises material storage guide rollers which float up and down.

[0011] The beneficial effect of the utility model is that the improved small heat-sealing and cold-cutting bag-making machine has a compact equipment structure and occupies a small space. The plastic bag making process is stable and efficient, the heat sealing and cold cutting are accurate and reliable, and the plastic bags are seamlessly transferred to the bag-feeding packaging machine, thereby improving the packaging efficiency, eliminating the collection and storage processes of the plastic bags, and reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a structural sectional view of the utility model. DETAILED DESCRIPTION

[0015] The accompanying drawings show the structure of the utility model, and the following further describes its relevant details in conjunction with the accompanying drawings. Figure 1-2 The small heat-sealing and cold-cutting bag-making machine comprises a frame, on which an unwinding mechanism 1, a first traction mechanism 2, a material storage mechanism 3, a heat-sealing mechanism 4, a second traction mechanism 5, a cold-cutting mechanism 6 and a discharging mechanism 7 are arranged in sequence, the heat-sealing mechanism 4 and the cold-cutting mechanism 6 act synchronously, and a tension adjustment component 8 is arranged before the heat-sealing mechanism 4 and before the cold-cutting mechanism 6, and a bag-feeding packaging machine is connected after the discharging mechanism 7. Among them, the unwinding mechanism 1 comprises an unwinding roller and its unwinding power source, the first traction mechanism 2 comprises a traction roller group and its traction power source, the second traction mechanism 5 comprises a front and rear traction roller group, an upper traction belt wound between the upper rollers of the front and rear traction roller group, a lower traction belt wound between the lower rollers of the front and rear traction roller group and its traction power source, and the upper traction belt and the lower traction belt cooperate with each other to support the film for the cold-cutting mechanism 6 to cut.

[0016] The working principle of the utility model is that the folded plastic film roll is unrolled and transmitted under the action of the unwinding mechanism 1, the first traction mechanism 2 and the second traction mechanism 5, stored by the storage mechanism 3, sealed at the side by the heat sealing mechanism 4, cut by the cold cutting mechanism 6 to form an independent bag body, and delivered to the bag feeding packaging machine through the discharging mechanism 7.

[0017] As a further improved specific implementation method, the heat sealing mechanism 4 includes a heat sealing knife and a heat sealing table. The heat sealing knife can be raised and lowered above the heat sealing table and is equipped with a lifting power source 41. The heat sealing knife and the heat sealing table cooperate with each other to seal the side of the bag body.

[0018] As a further improved specific implementation, the lifting power source 41 is a cam transmission mechanism, the heat sealing knife is connected to the bottom of the cross beam, the cross beam is equipped with left and right guide rods, the guide rods are movably arranged on the heat sealing table, and the lower ends of the guide rods are connected to the cam transmission mechanism. When working, the cam transmission mechanism drives the guide rods to rise and fall along the heat sealing table, thereby driving the cross beam and the heat sealing knife to rise and fall.

[0019] As a further improved specific implementation method, the cold cutting mechanism 6 includes an upper cutter and a lower cutter. The upper cutter can be raised and lowered and is arranged above the lower cutter. The upper cutter is connected to the cam transmission mechanism via a connecting rod and a swing arm to achieve synchronous heat sealing and cold cutting. Preferably, the upper cutter and the lower cutter cooperate in shearing to improve the cutting efficiency.

[0020] As a further improved specific implementation, the discharging mechanism 7 includes a discharging platform 71 and a material pulling manipulator 72. The material pulling manipulator 72 can move forward and backward and is arranged on both sides of the discharging platform 71, and is equipped with a driving structure 73. One end of the discharging platform 71 is connected to the second traction mechanism 5, and the other end of the discharging platform 71 is connected to the bag-type packaging machine. The material pulling manipulator 72 is preferably pneumatically clamped, and the forward and backward movement is combined with a guide rail and a slider. The guide rail is set on the frame, and the material pulling manipulator 72 is set on the slider. The driving structure 73 preferably uses a synchronous belt and a synchronous wheel. The synchronous belt is connected to the sliders on both sides through a driving rod to realize the forward and backward movement of the material pulling manipulator 72 and ensure the accuracy of the displacement.

[0021] As a further improved specific implementation, the tension adjustment component 8 includes an adjustment roller, and sliders are provided at both ends of the adjustment roller. The sliders can be lifted and moved and are arranged on the side beams of the gantry, and the sliders are threadedly connected with columns. The upper ends of the columns can be rotatably penetrated on the cross beams of the gantry. The gantry is rotatably provided with a driving crossbar and its driving handwheel, and the driving crossbar and the upper ends of the columns are connected by a bevel gear set. During adjustment, the driving handwheel drives the driving crossbar to rotate, and the column is driven to rotate through the bevel gear set, and the column is lifted and lowered through the threaded driving slider and the adjustment roller to complete the tension adjustment.

[0022] As a further improved specific implementation, the material storage mechanism 3 includes upper and lower floating material storage guide rollers, which is an existing structure, realizes material storage and assists film traction.

[0023] In summary, the above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A small heat-sealing and cold-cutting bag-making machine, including a frame, characterized in that: The frame is provided with an unwinding mechanism, a first traction mechanism, a material storage mechanism, a heat sealing mechanism, a second traction mechanism, a cold cutting mechanism and a discharging mechanism in sequence. The heat sealing mechanism and the cold cutting mechanism act synchronously, and tension adjusting components are provided before the heat sealing mechanism and before the cold cutting mechanism. A bag-feeding packaging machine is connected after the discharging mechanism.

2. The small heat-sealing and cold-cutting bag-making machine according to claim 1, characterized in that: The heat sealing mechanism comprises a heat sealing knife and a heat sealing platform. The heat sealing knife is arranged on the heat sealing platform in a liftable manner and is provided with a lifting power source.

3. The small heat-sealing and cold-cutting bag-making machine according to claim 2, characterized in that: The lifting power source is a cam transmission mechanism, the heat sealing knife is connected to the bottom of the cross beam, the cross beam is equipped with left and right guide rods, the guide rods can be movably installed on the heat sealing table, and the lower ends of the guide rods are connected to the cam transmission mechanism.

4. The small heat-sealing and cold-cutting bag-making machine according to claim 3, characterized in that: The cold cutting mechanism comprises an upper cutter and a lower cutter. The upper cutter can be raised and lowered and is arranged above the lower cutter. The upper cutter is connected with a cam transmission mechanism via a connecting rod and a swing arm.

5. The small heat-sealing and cold-cutting bag-making machine according to claim 1, characterized in that: The discharging mechanism includes a discharging table and a pulling manipulator. The pulling manipulator can move forward and backward and is arranged on both sides of the discharging table and is equipped with a driving structure. One end of the discharging table is connected to the second traction mechanism, and the other end of the discharging table is connected to the bag packaging machine.

6. The small heat-sealing and cold-cutting bag-making machine according to claim 1, characterized in that: The tension adjustment component includes an adjusting roller, and sliders are provided at both ends of the adjusting roller. The sliders can be lifted and moved and are arranged on the side beams of the gantry, and a column is threadedly connected to the slider. The upper end of the column can be rotatably passed through the cross beam of the gantry. A driving cross bar and a driving hand wheel are rotatably provided on the gantry, and the driving cross bar and the upper end of the column are connected by a bevel gear set.

7. The small heat-sealing and cold-cutting bag-making machine according to claim 1, characterized in that: The material storage mechanism comprises material storage guide rollers which float up and down.