Automatic air bag heat sealing system

Abstract

The invention belongs to the technical field of automobile production, and particularly relates to an automatic heat sealing system for an air bag. The equipment is composed of a sheet film discharging mechanism, a sheet film guiding mechanism, a left tension releasing mechanism, a sheet film traction mechanism, a hose heat sealing mechanism, a mark punching mechanism, a bag heat sealing mechanism, a bag body traction mechanism, a right tension releasing mechanism, a code spraying mechanism, a bag body traction mechanism, a bag body cutting mechanism, a hose discharging mechanism and a finished product taking mechanism. An operator only needs to carry accessories needed by production to a designated position, the equipment can achieve automatic production, film rolling and discharging, pipe cutting, pipe welding, bag body welding, product code spraying and material collecting are all completed by the equipment, the number of operators is reduced, and meanwhile the labor intensity of the operators is lowered.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile production, and in particular relates to an automatic heat-sealing system for an air bag. Background Art

[0002] The existing automobile lumbar support airbag cannot be completed in one go, which makes the production process complicated; therefore, it does not meet the existing needs. In this regard, we propose an automatic heat sealing system for airbag bags. Summary of the invention

[0003] In order to solve the problems raised in the above background technology, the present invention provides an automatic heat-sealing system for airbag bags, which is composed of a film feeding mechanism, a film guiding mechanism, a left tension releasing mechanism, a film pulling mechanism, a hose heat-sealing mechanism, a marking mechanism, a bag heat-sealing mechanism, a bag pulling mechanism, a right tension releasing mechanism, a coding mechanism, a bag pulling mechanism, a bag cutting mechanism, a hose discharging mechanism and a finished product taking mechanism.

[0004] As an automatic heat sealing system for airbag bags of the present invention, preferably, the film discharge mechanism adopts an air inflation shaft to hold the material, and is equipped with a guide shaft to assist, the film feeding is smooth, and the tension is constant to achieve rapid film replacement, and the left tension release mechanism and the right tension release mechanism have the same structure and size, and the two are symmetrically arranged on the left and right.

[0005] As an automatic heat-sealing system for airbag bags of the present invention, preferably, the film traction mechanism adopts a servo drive mechanism, and a plurality of groups of synchronous bag traction clamps and a plurality of bag fixing devices are provided on the mechanism.

[0006] As an automatic heat-sealing system for airbag bags of the present invention, preferably, the hose heat-sealing mechanism adopts high-frequency welding to heat-seal the hose, the mold adopts positioning pins to achieve rapid mold change, the mold adopts a mold temperature controller to control the mold temperature to ensure that the mold temperature is constant, the heat-sealing mold is driven by a cylinder, and the mold is provided with a flatness fine-tuning device to ensure the parallelism and uniform force of the upper and lower mold heat-sealing surfaces; the heat-sealing mold adopts a mold temperature controller to control the temperature to ensure that the temperature of the mold is stable during heat sealing, thereby ensuring the stable heat-sealing quality of the product.

[0007] As an automatic heat sealing system for airbag bags of the present invention, preferably, the punching and marking mechanism punches a square hole in the empty position of the raw material, and uses the square hole as a reference for the positioning point of the subsequent process. The corresponding two sides of the positioning hole serve as the X-axis and Y-axis servo-driven positioning lines of the coincidence line. The raw material can be moved by an infrared sensor in conjunction with the servo drive to reduce the product matching error to a minimum.

[0008] As an automatic heat-sealing system for airbag bags of the present invention, preferably, the bag heat-sealing mechanism adopts high-frequency welding to heat-seal TPU, the mold adopts positioning pins to achieve rapid mold change, the mold temperature is controlled by a mold temperature controller to ensure constant mold temperature, the heat-sealing mold is driven by a double-force cylinder, and the mold is provided with a flatness fine-tuning device to ensure parallelism and uniform force of the upper and lower mold heat-sealing surfaces, and the heat-sealing mold is temperature-controlled by a mold temperature controller to ensure stable temperature during mold heat sealing and stable product heat-sealing quality.

[0009] As an automatic heat sealing system for airbag bags of the present invention, preferably, the bag cutting mechanism adopts a gas-liquid booster cylinder control mechanism to cut the bag body, the cutting die can be quickly replaced, and the position can be adjusted conveniently. When the bag body is cut, the entire finished product is cut and the excess scraps are also cut together.

[0010] As an automatic heat sealing method for an air bag of the present invention, preferably, the method comprises the following steps: S1, sheet film unloading; S2, sheet film guiding; S3, sheet film traction; S4, tube heat sealing; S5, punching mark holes; S6, sheet film traction; S7, bag heat sealing; S8, sheet film traction; S9, coding; S10, bag cutting.

[0011] As an automatic heat sealing method for airbag bags of the present invention, preferably, the S4 includes tube discharge, and the S10 includes waste edge removal.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The equipment produces one product at a time. The operator only needs to move the accessories required for production to the designated location, and the equipment can realize automatic production. Film unwinding, tube cutting, tube welding, bag welding, product coding and material collection are all completed by the equipment itself, reducing the number of operators while also reducing the labor intensity of operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a structural schematic diagram of an automatic heat sealing system for an air bag of the present invention; Figure 2 A schematic diagram of a process of an automatic heat sealing method for an air bag of the present invention; In the figure: Sheet film unloading mechanism 1, sheet film guiding mechanism 2, left tension releasing mechanism 3, sheet film traction mechanism 4, hose heat sealing mechanism 5, marking mechanism 6, bag heat sealing mechanism 7, bag body traction mechanism 8, right tension releasing mechanism 9, inkjet coding mechanism 10, bag body traction mechanism 11, bag body cutting mechanism 12, hose discharging mechanism 13, finished product taking mechanism 14. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0015] like Figure 1 As shown; The utility model relates to an automatic heat-sealing system for air bag.

[0016] In this embodiment: In order to solve the technical problems existing in the prior art, such as the above background technology disclosed that "the existing automobile lumbar support airbag cannot be completed in one go, resulting in a complicated manufacturing process; therefore, it does not meet the existing needs", combined with actual use, this problem is obviously a real and difficult problem to solve. In view of this, in order to solve this technical problem, an automatic heat sealing system for airbag bags is provided on this basis.

[0017] like Figure 1-2 As shown in the figure; In combination with the above contents, it consists of a sheet film unloading mechanism 1, a sheet film guiding mechanism 2, a left tension releasing mechanism 3, a sheet film traction mechanism 4, a hose heat sealing mechanism 5, a marking mechanism 6, a bag heat sealing mechanism 7, a bag body traction mechanism 8, a right tension releasing mechanism 9, a coding mechanism 10, a bag body traction mechanism 11, a bag body cutting mechanism 12, a hose discharging mechanism 13 and a finished product taking mechanism 14.

[0018] In an optional embodiment, the film discharge mechanism 1 uses an air inflation shaft to hold the material, and is assisted by a guide shaft, which ensures smooth film feeding and constant tension, thereby achieving rapid film change. The left tension release mechanism 3 and the right tension release mechanism 9 have the same structure and size, and are symmetrically arranged on the left and right.

[0019] In an optional embodiment, the sheet film traction mechanism 4 adopts a servo drive mechanism, and multiple groups of bag body synchronous traction clamps and multiple groups of bag body fixing devices are provided on the mechanism.

[0020] In an optional embodiment, the hose heat sealing mechanism 5 adopts high-frequency welding to heat seal the hose, and the mold adopts positioning pins to achieve rapid mold change. The mold adopts a mold temperature controller to control the mold temperature to ensure that the mold temperature is constant. The heat sealing mold is driven by a cylinder, and the mold is provided with a flatness fine-tuning device to ensure the parallelism and uniform force of the upper and lower mold heat sealing surfaces; the heat sealing mold adopts a mold temperature controller for temperature control to ensure that the temperature of the mold is stable during heat sealing, thereby ensuring the stable heat sealing quality of the product.

[0021] In an optional embodiment, the punching marking mechanism 6 punches a square hole in the empty position of the raw material, and uses the square hole as a reference for the positioning point of the subsequent process. The corresponding two sides of the positioning hole serve as the X-axis and Y-axis servo-driven positioning lines of the coincidence line. The raw material can be moved by an infrared sensor in conjunction with the servo drive to minimize the product matching error.

[0022] In an optional embodiment, the bag heat sealing mechanism 7 adopts high-frequency welding to heat seal the TPU, and the mold adopts positioning pins to achieve rapid mold change. The mold temperature is controlled by a mold temperature controller to ensure that the mold temperature is constant. The heat sealing mold is driven by a double-force cylinder, and the mold is provided with a flatness fine-tuning device to ensure the parallelism and uniform force of the upper and lower mold heat sealing surfaces. The heat sealing mold is temperature-controlled by a mold temperature controller to ensure that the temperature of the mold is stable during heat sealing, thereby ensuring the stable heat sealing quality of the product.

[0023] In an optional embodiment, the bag cutting mechanism 12 uses a gas-liquid booster cylinder control mechanism to cut the bag. The cutting die can be quickly replaced and the position can be adjusted conveniently. When cutting the bag, the entire finished product is cut and the excess scraps are also cut together.

[0024] In an optional embodiment, a method for automatically heat-sealing an air bag comprises the following steps: S1, sheet film unloading; S2, sheet film guiding; S3, sheet film traction; S4, tube heat sealing; S5, punching mark holes; S6, sheet film traction; S7, bag heat sealing; S8, sheet film traction; S9, coding; S10, bag cutting.

[0025] In an optional embodiment, S4 includes pipe discharge, and S10 includes waste edge removal.

[0026] Working principle of the present invention: The equipment produces one product at a time. The operator only needs to move the accessories required for production to the designated location, and the equipment can realize automatic production. Film unwinding, tube cutting, tube welding, bag welding, product coding and material collection are all completed by the equipment itself, reducing the number of operators while also reducing the labor intensity of operators. The equipment is equipped with a seven-inch touch screen, which can be used to turn the machine on and off and to observe the current status of the equipment in real time. When an electrical fault occurs in the equipment, the alarm prompt content will pop up on the touch screen in the first time, making it convenient for operators and maintenance personnel to deal with the problem quickly and accurately.

[0027] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic heat sealing system for airbag bags, characterized in that: The invention comprises a sheet film unloading mechanism (1), a sheet film guiding mechanism (2), a left tension releasing mechanism (3), a sheet film pulling mechanism (4), a hose heat sealing mechanism (5), a marking mechanism (6), a bag heat sealing mechanism (7), a bag body pulling mechanism (8), a right tension releasing mechanism (9), a coding mechanism (10), a bag body pulling mechanism (11), a bag body cutting mechanism (12), a hose discharging mechanism (13) and a finished product taking mechanism (14).

2. The automatic heat sealing system for airbag bag according to claim 1, characterized in that: The film sheet discharge mechanism (1) adopts an air inflation shaft to hold the material, and is equipped with a guide shaft to assist, so that the film is fed smoothly and the tension is constant, thereby realizing rapid film replacement. The left tension release mechanism (3) and the right tension release mechanism (9) are of the same structure and size, and the two are symmetrically arranged on the left and right.

3. The automatic heat sealing system for airbag bag according to claim 1, characterized in that: The film sheet traction mechanism (4) adopts a servo drive mechanism, and is provided with a plurality of sets of bag body synchronous traction clamps and a plurality of sets of bag body fixing devices.

4. The automatic heat sealing system for airbag bag according to claim 1, characterized in that: The hose heat-sealing mechanism (5) adopts high-frequency welding to heat-seal the hose. The mold adopts a positioning pin to achieve rapid mold change. The mold adopts a mold temperature controller to control the mold temperature to ensure that the mold temperature is constant. The heat-sealing mold is driven by a cylinder. The mold is provided with a flatness fine-tuning device to ensure the parallelism and uniform force of the upper and lower mold heat-sealing surfaces. The heat-sealing mold adopts a mold temperature controller to control the temperature to ensure that the temperature of the mold is stable during heat sealing, thereby ensuring the stable heat-sealing quality of the product.

5. The automatic heat sealing system for airbag bag according to claim 1, characterized in that: The punching marking mechanism (6) punches a square hole in the free position of the raw material, and uses the square hole as the reference for the positioning point of the subsequent process. The corresponding two sides of the positioning hole serve as the X-axis and Y-axis servo-driven positioning lines of the coincidence line. The raw material can be moved by the infrared sensor in conjunction with the servo drive to minimize the product matching error.

6. The air bag automatic heat sealing system according to claim 1, characterized in that: The bag heat-sealing mechanism (7) adopts high-frequency welding to heat-seal the TPU. The mold adopts a positioning pin to achieve rapid mold change. The mold adopts a mold temperature controller to control the mold temperature to ensure that the mold temperature is constant. The heat-sealing mold is driven by a double-force cylinder. The mold is provided with a flatness fine-tuning device to ensure the parallelism and uniform force of the upper and lower mold heat-sealing surfaces. The heat-sealing mold adopts a mold temperature controller to control the temperature to ensure that the temperature of the mold is stable during heat sealing, thereby ensuring the stable heat-sealing quality of the product.

7. The automatic heat sealing system for airbag bag according to claim 1, characterized in that: The bag cutting mechanism (12) adopts a gas-liquid booster cylinder control mechanism to cut the bag. The cutting die can be quickly replaced and the position can be adjusted conveniently. When cutting the bag, the entire finished product is cut and the excess scraps are also cut together.

8. An automatic heat sealing method for airbag bag according to claims 1-7, characterized in that: The following steps are involved: S1, sheet film unloading; S2, sheet film guiding; S3, sheet film traction; S4, tube heat sealing; S5, punching mark holes; S6, sheet film traction; S7, bag heat sealing; S8, sheet film traction; S9, coding; S10, bag cutting.

9. The method for automatically heat-sealing an air bag according to claim 8, characterized in that: The step S4 includes pipe arrangement, and the step S10 includes waste edge removal.

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