WO2021243815A1

WO2021243815A1 - Airflow strap-threading packing machine and packing method thereof

Info

Publication number: WO2021243815A1
Application number: PCT/CN2020/102230
Authority: WO
Inventors: 胡向荣
Original assignee: 青岛欣欣向荣智能设备有限公司
Priority date: 2020-06-04
Filing date: 2020-07-16
Publication date: 2021-12-09
Also published as: CN111605764A; CN111605764B

Abstract

An airflow strap-threading packing machine and a packing method thereof, the airflow strap-threading packing machine comprising: a machine rack (1), the machine rack (1) comprising a base (11) and a frame (12) arranged on the base (11); a packing machine head (2) arranged on the base (11); and an airflow strap-threading assembly (3), configured to have an openable airflow delivery channel (300), one port in the airflow transport channel (300) being a strap in port (301), and another port therein being a strap out port (302). The airflow strap-threading assembly (3) is arranged on the frame (12), and the airflow transport channel (300) is used for using airflow to deliver packing strap. The packing machine head (2) is positioned between the strap in port (301) and the strap out port (302). Packing strap that is output from the packing machine head (2) is transported in the airflow transport channel (300), winding around an article to be packed, and finally the free end of the packing strap returns into the packing machine head (2). The present airflow strap-threading packing machine and the packing method thereof lower the requirements for packing strap quality, thereby lowering packing costs, and reduce packing strap jamming so as to improve packing efficiency.

Description

Airflow strapping strapping machine and its packing method

Technical field

The invention relates to the technical field of balers, in particular to an air-through belt baler and a packing method thereof.

Background technique

At present, with the continuous development of the logistics industry, goods usually need to be packaged with a strap before being transported. With the promotion of automatic packing technology, packing machines with automatic packing functions are widely used. Chinese patent number 201811173845 .5 and 201911138598.X respectively disclose a kind of packing equipment, which mainly uses packing belts to pack goods. Among them, the packaging machine is usually equipped with a packing head and a belt guide groove. Among them, the packing head has a guide packaging material (such as a packing belt) into and out of the packaging chute, and can grasp, tighten, and cut And friction heat sealing packaging materials. In the actual packing process, because the packing belt needs to be output from the packing head and go around the cargo through the guide groove and then return to the packing head, and the packing belt is prone to jam in the belt during the conveying process of the guide groove. In the guide belt groove, the packaging equipment is shut down and the packaging efficiency is low; at the same time, in order to reduce the jamming of the packaging belt, the packaging belt with good material and high manufacturing cost is often used.

technical problem

Therefore, how to design a packaging technology with low packaging cost and high packaging efficiency is the technical problem to be solved by the present invention.

Technical solutions

The invention provides an air-through belt strapping machine and a packaging method thereof, which can reduce the requirements on the quality of the strapping to reduce the packaging cost, and reduce the jamming of the strapping to improve the packaging efficiency.

The present invention provides an air-through belt strapping machine, which includes:

A rack, the rack including a base and a frame arranged on the base;

The baler head, the baler head is arranged on the base;

The airflow threading assembly is equipped with an openable and closable airflow conveying channel, one port of the airflow conveying channel is a belt inlet and the other port is a belt outlet, and the airflow belting assembly is arranged on the frame, The airflow conveying channel is used for conveying the packing belt by the airflow;

Wherein, the packing head is located between the belt inlet and the belt outlet; the packing belt output from the packing head is transported around the goods to be packed in the air conveying channel, and the free end of the final packing belt The part returns to the head of the baler.

Further, the air flow belt component includes a first belt guide part, a second belt guide part and an air intake part, the first belt guide part and the second belt guide part are arranged on the frame, and the The first belt guide part and the second belt guide part are relatively movable; the first belt guide part and the second belt guide part form the airflow conveying channel that can be opened and closed, the The air intake component is used to supply air to the air flow delivery channel.

Further, the airflow belt threading assembly further includes a driving module for driving the first belt guide part and the second belt guide part to move relative to each other.

Further, the driving module includes a driving member, a rotating rod, and two pull rods, the rotating rod is rotatably installed on the frame, two ends of the rotating rod are respectively provided with connecting arms, and the pull rods are hinged. On the corresponding connecting arm, the driving member is used to provide power to make and cause the pull rod to move and the rotating rod to rotate; wherein, the first belt guide portion is provided between the two pull rods, The pull rod is used to drive the first belt guide part to move.

Further, the driving part is an air cylinder, and a piston rod of the air cylinder is hinged with a free end of one of the pull rods; or, the driving part is a motor, and the motor is connected to the rotating rod.

Further, at least one swing arm is hinged on the pull rod, the middle part of the swing arm is rotatably arranged on the frame, two ends of the swing arm are respectively provided with connecting shafts, one of which is The connecting shaft is connected with the pull rod, and the other connecting shaft is connected with the first belt guide part; a connecting rod is also hinged between the pull rod and the connecting arm.

Further, the opposite end surfaces of the first belt guide part and the second belt guide part are provided with belt guide grooves, and when the second belt guide part and the first belt guide part abut against each other, The air flow conveying channel is formed between the belt guide groove and the end surface of the first belt guide part.

Further, the end surface of the first belt guiding part away from the second belt guiding part is also provided with a plurality of insertion holes communicating with the belt guiding groove, the frame is provided with the push rod, and the push rod is provided on the frame. The rod is inserted into the corresponding socket.

Further, the second belt guide part is provided with a plurality of flexible shielding parts, and the plurality of flexible shielding parts are sequentially arranged along the inner side of the airflow conveying channel and shield the second belt guide part and the first The connection part of the belt guide.

Further, the first belt guide part is provided with an air inlet communicating with the belt guide groove, and the air inlet is close to the belt inlet; the air inlet component is an air inlet, and the air inlet The nozzle is connected to the air inlet.

The present invention also provides a packing method for the above-mentioned air-through-belt packing machine, which includes: after the packing belt output by the head of the packing machine enters the air-flow conveying channel, the packing belt is placed in the air-flow conveying channel under the action of the air flow conveyed by the air intake component. It is conveyed and finally returned to the head of the baler, and then, the first belt guide part is away from the second belt guide part to make the packaging belt located in the air flow conveying channel escape.

Beneficial effect

The present invention provides an air piercing strapping machine and its packaging method. The air piercing component is configured for the strapping belt to be transported. The wrapping belt is conveyed in the airflow conveying channel in the air piercing component to surround the outer circumference of the goods, and The packing belt is output from the head of the packing machine and enters the air conveying channel. During the conveying process, the airflow is injected into the air conveying channel through the air inlet component. Under the action of the air flow, the packing belt is conveyed in a suspended state in the air conveying channel. In this way, it can effectively avoid or reduce the occurrence of jamming of the packing belt, thereby enabling the packing belt to be transported smoothly and reliably, and improving the efficiency of packing; at the same time, the packing belt can also be made of materials with reduced strength, thereby reducing the packing belt. Manufacturing costs to reduce packaging costs.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the air-through strapping machine of the present invention;

Fig. 2 is a partial enlarged schematic diagram of area A in Fig. 1;

Figure 3 is an exploded view of the air-through strapping machine of the present invention;

Figure 4 is one of the assembly diagrams of the airflow belting component and frame in the airflow belting strapping machine of the present invention;

Fig. 5 is the second assembly diagram of the air-wiring component and the frame in the air-wiring strapping machine of the present invention;

Fig. 6 is a partial enlarged schematic diagram of area B in Fig. 5;

Fig. 7 is a partial enlarged schematic diagram of area C in Fig. 5;

Fig. 8 is an assembled cross-sectional view of the air delivery channel and the air intake components in the air piercing strapping machine of the present invention.

The best mode of the present invention

As shown in Figures 1 to 8, the present invention provides an air-threading strapping machine, which includes: a frame 1, a strapping head 2 and an air-flowing strapping assembly 3.

Among them, the frame 1 is used as a supporting component to support and install the baler head 2 and the air flow belt assembly 3. The rack 1 generally includes a base 11 and a frame 12 arranged on the base 11.

The baler head 2 is set on the base 11 of the frame 1, and the baler head 2 is used to transport the packing belt out and go around the goods for a week to tighten the packing belt and complete the operation of cutting and welding the packing belt to realize the operation of the goods. Pack it up. Among them, for the specific structure of the baler head 2, reference may be made to the baler head configured in the baling device in the conventional technology, which is not limited and repeated here.

The air flow belt component 3 is mainly used to guide the packing belt output from the packing head 2 to return to the packing head 2 after going around the goods once. The airflow threading assembly 3 is formed with an airflow conveying channel 300 that can be opened and closed. One port of the airflow conveying channel 300 is a belt inlet 301, and the other port is a belt outlet 302. The strapping head 2 is located at the belt inlet 301 and the belt outlet.口302 between.

The air conveying channel 300 is in a closed state during the process of conveying the packing belt. The air conveying channel 300 inputs high-speed air flow, and the flowing air current drives the packing belt to move in suspension in the air conveying channel 300. Before the packing head 2 is to tighten the packing belt, the air conveying channel 300 is opened so that the packing belt can escape from the air conveying channel 300 when the packing belt is tightened by the packing head 2.

In the actual use process, the goods are transported to the packing area formed by the airflow belt assembly 3, and the airflow conveying channel will surround the outside of the goods. The packing belt passes through the packing head 2 and enters the air conveying channel 300 through the belt inlet 301 for transmission. Driven by the air flow, the packing belt is transported in the air conveying channel 300 in a suspended state. In this way, when the packing belt is conveyed to the turning part of the air conveying channel 300, the packing belt can pass through smoothly, which can effectively avoid Or reduce the occurrence of failures of the packing machine due to the packing belt being blocked in the air conveying channel 300.

At the same time, during the conveying process of the packing belt driven by the air flow, the speed of the packing belt output by the packing head 2 can be faster, thereby effectively improving the packing efficiency. On the other hand, with regard to the material of the strapping, it can be made of cheaper materials to reduce the requirements for the strength of the strapping material, thereby effectively reducing the packaging cost.

Furthermore, as for the airflow threading component 3, the structure can be as follows. The airflow belt assembly 3 is arranged in the frame 12, which includes a first belt guide part 31, a second belt guide part 32 and an air intake part 33. The first belt guide part 31 and the second belt guide part 32 are arranged on the frame 12 , The first belt guide part 31 and the second belt guide part 32 are relatively movable, and an openable air conveying channel 300 is formed between the first belt guide part and the second belt guide part. The air intake member 33 is used to supply air to the air flow delivery channel 300.

Specifically, when the second belt guide part 32 and the first belt guide part 31 are abutted together, a closed air flow conveying channel 300 is formed between the second belt guide part 32 and the first belt guide part 31; When the belt guide portion 32 and the first belt guide portion 31 are separated, the air conveying channel 300 is in an open state.

Wherein, during the belt threading process, the first belt guide part 31 and the second belt guide part 32 are abutted together, the air flow conveying channel 300 is in a closed state, and the packing belt is placed between the first belt guide part 31 and the second belt guide part 32. The belt is conveyed by pneumatic force; and after the belt is threaded, the first belt guide portion 31 and the second belt guide portion 32 are separated. At this time, the flow conveying channel 300 is in an open state, so that the packing belt is separated from the first belt guide. The part 31 and the second belt guide part 32 are separated, and the packing head 2 can perform operations such as tensioning, cutting and welding of the packing belt. For details, please refer to the operation flow of the conventional packing equipment, which will not be repeated here.

In addition, for the air supply of the air intake component 33, conventional air supply equipment such as an air compressor can be used, which is not limited here. Preferably, in order to make the airflow flow in the airflow conveying channel quickly, an air inlet 303 communicating with the belt guiding groove is provided on the first guiding belt portion 31, and the air inlet 303 is close to the belt inlet 301; 33 is an air inlet, and the air inlet is connected to the air inlet 303.

Further, in order to facilitate the control of the movement of the first belt guide portion 31 relative to the second belt guide portion 32, the airflow belt threading assembly 3 further includes a drive module 34, which is used to drive the first belt guide portion 31 relative to the second belt guide portion 32. The belt guide 32 moves. Specifically, when the belt needs to be threaded, the driving module 34 drives the first belt guide portion 31 to move closer to the second belt guide portion 32, so that the first belt guide portion 31 abuts on the second belt guide portion 32 to form an opposite The sealed airflow conveying channel further satisfies the requirement for the airflow output from the air intake component 33 to flow in the airflow conveying channel.

Among them, for the specific manifestation entity of the drive module 34, the following structural forms can be adopted. The driving module 34 includes a driving member 341, a rotating rod 342, and two pull rods 343. The rotating rod 342 is rotatably installed on the frame 1. The two ends of the rotating rod 342 are respectively provided with connecting arms 344, and the pull rods 343 are hinged on the corresponding On the connecting arm 344, the driving member 341 is used to provide power to make the pull rod 343 move and the rotation rod 342 to rotate; wherein, the first belt guide portion 31 is disposed between the two pull rods 343, and the pull rod 343 is used to drive the first guide belt部31 moves.

In actual use, the driving member 341 provides power to drive the rotating rod 342 and the two pull rods 343 to move, so as to drive the first belt guide 31 to move through the two pull rods 343. Wherein, since the air flow conveying channel formed by the first belt guide portion 31 and the second belt guide portion 32 is an open annular structure, two tie rods 343 are distributed on both sides of the first belt guide portion 31, so that the first guide The belt portion 31 can move smoothly as a whole, thereby improving the reliability of use, especially during the belt threading process, ensuring that the first belt guiding portion 31 and the second belt guiding portion 32 are closely attached to each other. In addition, by rotating the rod 342, the pull rods 343 on both sides can be driven to move synchronously, so that the first belt guiding portion 31 can move smoothly as a whole.

There are also many forms for the manifestation of the driving member 341. For example, the driving member 341 is an air cylinder whose piston rod is hinged to the free end of one of the tie rods 343; or, the driving member 341 is a motor, and the motor and The rotating rod 342 is connected.

Furthermore, at least one swing arm 345 is hinged on the pull rod 343, the middle part of the swing arm 345 is rotatably arranged on the frame 1, and two ends of the swing arm 345 are respectively provided with connecting shafts 3451, one of which is connected The shaft 3451 is connected with the pull rod 343, and the other connecting shaft 3451 is connected with the first belt guide portion 31; a connecting rod 3432 is also hinged between the pull rod 343 and the connecting arm 344. Specifically, during the movement of the pull rod 343, the swing arm 345 is driven to rotate, so as to drive the first belt guide portion 31 to move through the swing arm 345. Preferably, in order to enable the first belt guide portion 31 to move horizontally relative to the second belt guide portion 32, the tie rod 343 is provided with a first strip hole 3431, and the extension direction of the first strip hole 3431 is perpendicular to the length of the tie rod 343 Direction; the first belt guide portion 31 is provided with a second strip hole (not shown), the second strip hole extends along the length of the tie rod 343; one of the connecting shaft 3451 is inserted in the first strip hole 3431, Another connecting shaft 3451 is inserted in the second strip hole; in addition, a guide rod 121 is provided on the frame 12, a sliding sleeve 310 is provided on the first guide belt portion 31, and the sliding sleeve 310 is sleeved on the guide rod 121. Specifically, under the action of the strip hole, on the one hand, it is satisfied that the swing arm 345 rotates relative to the pull rod 343 when the pull rod 343 is driving the swing arm 345 to rotate, so that the corresponding connecting shaft 3451 can slide in the first strip hole 3431 On the other hand, the connecting shaft 3451 at the other end of the swing arm 345 will slide in the second strip-shaped hole and drive the first belt part 31 to translate along the guide rod 121. Wherein, since the guide rod 121 is arranged horizontally and perpendicular to the end surface of the second belt guide portion 32, the first belt guide portion 31 can be moved back and forth horizontally relative to the second belt guide portion 32, so that the threading process is more reliable, and at the same time The packing belt can be smoothly separated from between the first belt guide portion 31 and the second belt guide portion 32.

Based on the above technical solution, in order to form an air flow conveying channel, a belt guide groove 311 may be opened on the opposite end surface of the first belt guide part 31 and the second belt guide part 32, and the second belt guide part 32 and the first guide belt When the parts 31 are abutted together, an air conveying channel 300 is formed between the belt guide groove 311 and the end surface of the first belt guide part 31.

Specifically, a belt guide groove 311 is formed on the first belt guide portion 31 for conveying the packing belt, and the belt guide groove 311 forms a relatively closed air flow when the first belt guide portion 31 and the second belt guide portion 32 are close together. Conveying channels to meet the needs of gas flow.

Preferably, in order to make the strapping after the successful strapping can be smoothly detached from the belt guide groove 311, the end surface of the first belt guide portion 31 away from the second belt guide portion 32 is also provided with a plurality of connected belt guide grooves. The jack 312 of 311, the frame 12 of the rack 1 is provided with the push rod 122, and the push rod 122 is inserted into the corresponding jack 312. After the belt is threaded, the first belt guide part 31 will be far away from the second belt guide part 32, and when the first belt guide part 31 moves away from the second belt guide part 32, the push rod 122 will pass through the insertion hole 312 Insert into the belt guide groove 311, and then push the packing belt in the belt guide groove 311 out of the belt guide groove 311 through the push rod 122 to ensure that the packing belt can be smoothly separated out and avoid the packing belt still jamming when tightening Failures caused in the band guide groove 311 are more conducive to improving the reliability of use.

Further, the second belt guide portion 32 is provided with a plurality of flexible shielding portions 321, and the plurality of flexible shielding portions 321 are sequentially arranged along the inner side of the air flow conveying channel 300 and shield the second belt guide portion 32 and the first belt guide portion 31 The connection part. Specifically, the flexible shielding portion 321 is located inside the second belt guide portion 32 and extends to the inner area of the first belt guide portion 31, and the second belt guide portion 32 and the first belt guide portion 31 can be connected by the flexible shielding portion 321. The connection and mating area is shielded on the inner side. In actual use, after the strapping is completed and separated from the belt guide groove 311, the flexible shielding portion 321 can be used to pre-position the strap. In this way, it can be ensured that the posture of the packing belt remains stable and surrounds the outer circumference of the goods before the packing head 2 tightens the packing belt, so as to prevent the packing belt from being deformed due to gravity after leaving the belt guide groove 311 and causing packing misalignment. The performance entity of the flexible shielding portion 321 can adopt elastic sheets, or elastic columns, or elastic brushes, etc., to meet the requirements of supporting the strapping, and at the same time to meet the requirements of the flexible shielding portion 321 being squeezed when the strapping is tightened. Packing and leaving requirements.

The present invention also provides a packing method for the above-mentioned air-through-belt packing machine, which includes: after the packing belt output by the head of the packing machine enters the air-flow conveying channel, the packing belt is placed in the air-flow conveying channel under the action of the air flow conveyed by the air intake component. The suspension conveys and finally returns to the head of the baler, and then, the first belt guide part is away from the second belt guide part to make the packaging belt located in the air flow conveying channel escape.

Specifically, in the actual packing process, the goods are transported to the packing machine and located in the area surrounded by the air conveying channel, and the packing machine is started. After the packing belt enters the packing head, under the driving action of the packing head, the packing belt first enters the air conveying channel. Under the action of the air flow, the two surfaces of the packing belt are made to have air flow, so as to realize the suspension and transportation of the packing belt in the air conveying channel. On the one hand, the transmission speed of the packing belt is improved, and on the other hand, the head of the packing belt can be avoided. At the bending part of the air delivery channel. Finally, the packing belt is output from the air conveying channel and enters the packing head again. After the threading operation is completed, the first belt guide part and the second belt guide part are separated, so that the packing belt is separated, and then the packing head performs the conventional packing operation, that is, first tighten the packing belt, and then cut and Welding operation to complete the packing operation.

Claims

An air-threading strapping machine is characterized in that it comprises:

A rack, the rack including a base and a frame arranged on the base;

The baler head, the baler head is arranged on the base;

The airflow threading component, the airflow threading component is equipped with an openable and closable airflow conveying channel, one port of the airflow conveying channel is a belt inlet and the other port is a belt outlet, the airflow threading assembly is arranged at On the frame, the airflow conveying channel is used to convey the packing belt by the airflow;

Wherein, the packing head is located between the belt inlet and the belt outlet; the packing belt output from the packing head is transported around the goods to be packed in the air conveying channel, and the free end of the final packing belt The part returns to the head of the baler.
The airflow threading strapping machine according to claim 1, wherein the airflow threading component includes a first belt guide part, a second belt guide part and an air intake part, and the first belt guide part and the The second belt guide part is arranged on the frame, and the first belt guide part and the second belt guide part are relatively movable; the first belt guide part and the second belt guide part An openable and closeable air flow delivery channel is formed between, and the air intake component is used to supply air to the air flow delivery channel.
The airflow threading strapping machine according to claim 2, wherein the airflow threading component further comprises a driving module, and the driving module is used to drive the first belt guide part and the second belt guide part Relative movement.
The air-threading strapping machine according to claim 3, wherein the driving module includes a driving member, a rotating rod, and two pull rods, the rotating rod is rotatably installed on the frame, and the rotating rod A connecting arm is respectively provided at both ends of the connecting arm, the pull rod is hinged on the corresponding connecting arm, and the driving member is used to provide power to make and cause the pull rod to move and the rotating rod to rotate; wherein, the first A belt guide part is arranged between the two pull rods, and the pull rod is used to drive the first belt guide part to move.
The air-threading strapping machine according to claim 3, wherein at least one swing arm is hinged on the pull rod, and the middle part of the swing arm is rotatably arranged on the frame, and the swing arm is rotatably arranged on the frame. The two ends of the arm are respectively provided with connecting shafts, one of the connecting shafts is connected with the pull rod, and the other connecting shaft is connected with the first belt guide part; there is also a connection between the pull rod and the connecting arm. The hinge has a connecting rod.
The airflow strapping strapping machine according to claim 2, wherein the opposite end surface of the first belt guide part and the second belt guide part is provided with a belt guide groove, and the second belt guide part When abutting against the first belt guide part, the air flow conveying channel is formed between the belt guide groove and the end surface of the first belt guide part.
The air-threading strapping machine according to claim 6, wherein the end surface of the first belt guiding part away from the second belt guiding part is further provided with a plurality of insertion holes communicating with the belt guiding groove, The frame is provided with the push rod, and the push rod is inserted into the corresponding socket.
The airflow threading strapping machine according to claim 6, wherein a plurality of flexible shielding parts are provided on the second belt guide part, and the plurality of flexible shielding parts are sequentially arranged along the inner side of the airflow conveying channel And it shields the connecting part of the second belt guide part and the first belt guide part.
The airflow belt strapping machine according to any one of claims 6-8, wherein the first belt guide part is provided with an air inlet communicating with the belt guide groove, and the air inlet is close to the The belt inlet; the air inlet component is an air inlet, and the air inlet is connected to the air inlet.
A packing method for an air-through belt packing machine according to any one of claims 1-9, characterized in that it comprises: after the packing belt output by the head of the packing machine enters the air-flow conveying channel, it is transported by the air-intake part. Under the action of the airflow, the packing belt is conveyed in the airflow conveying channel and finally returned to the head of the packing machine. Then, the first belt guiding part is away from the second belt guiding part so that the packing belt located in the airflow conveying channel is separated.