High-frequency heat sealing device for pneumatic membrane

Abstract

The utility model discloses a high-frequency heat sealing device for an inflatable membrane, which belongs to the field of inflatable membranes and comprises a high-frequency heat sealing main frame, a telescopic device capable of moving up and down in a reciprocating manner is arranged above the high-frequency heat sealing main frame, and a detachable heat sealing mold is arranged below the telescopic device. Compared with the prior art, the device has the advantages that the position of the detachable heat sealing mold is connected and fixed through sliding of the through hole in the clamping groove block and the T-shaped fixing block; according to the anti-falling buckle mechanism, the clamping groove block cannot loosen after being positioned through the T-shaped limiting plate of the anti-falling mechanism, the position of the T-shaped fixing block is limited and fixed through the limiting groove, and compared with a traditional connection mode, the anti-falling buckle mechanism can be unlocked only by pushing the T-shaped limiting plate back to the anti-falling fixing groove and sliding the T-shaped fixing block, and is not limited by the operation space.

Description

Technical Field

[0001] The utility model relates to the field of inflatable films, in particular to a high-frequency heat-sealing device for inflatable films. Background Art

[0002] As a common existing packaging material, the inflatable film has the advantages of fast construction, low cost, large span, high utilization rate, land saving, energy saving and environmental protection. In order to ensure that the inflatable film can form a corresponding structure according to the packaging structure, a high-frequency heat-sealing device for inflatable films is required to perform heat-sealing on the fixed-point positions of the inflatable film.

[0003] The existing high-frequency heat-sealing device for inflatable films places the raw material inflatable film on the feeding plate of the high-frequency heat-sealing main frame, and presses the detachable heat-sealing die under the telescopic device on the inflatable film for heat-sealing (the working principle of the high-frequency heat-sealing machine mainly relies on the heat generated by the high-frequency electromagnetic field to melt the surface of the material and press them together), so as to seal multiple closed points above the inflatable film.

[0004] Most of the existing detachable heat-sealing dies are fixed on the fixed plate at the output end of the telescopic device by bolts. After long-term use, the bolts may be locked, and the structure of this device is compact and not easy to disassemble, which makes it difficult to replace the detachable heat-sealing die. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is that the detachable heat-sealing die of the existing high-frequency heat-sealing device for inflatable films is difficult to disassemble due to its compact structure.

[0006] To solve the above technical problem, the technical solution provided by the utility model is: a high-frequency heat-sealing device for inflatable films, including a high-frequency heat-sealing main frame, a telescopic device that moves up and down is arranged above the high-frequency heat-sealing main frame, a detachable heat-sealing die is arranged below the telescopic device, a fixed plate corresponding to the detachable heat-sealing die is arranged at the top end of the output shaft of the telescopic device, the detachable heat-sealing die is connected to the fixed plate through an anti-dropping buckle mechanism, the anti-dropping buckle mechanism includes several slot blocks located inside the detachable heat-sealing die, a T-shaped fixing block located above the fixed plate, and an anti-dropping mechanism located inside the T-shaped fixing block, and the thin column end of the T-shaped fixing block passes through the slot block.

[0007] As an improvement, a feeding plate located inside the high-frequency heat-sealing main frame is arranged below the detachable heat-sealing die, several groups of pulleys are arranged on both sides of the feeding plate, the pulleys pass through the inner wall of the high-frequency heat-sealing main frame, a support plate for supporting the feeding plate is arranged on the bottom surface of the feeding plate, and a baffle for closing the open end is arranged at the open end of the pulley chute inside the high-frequency heat-sealing main frame.

[0008] As an improvement, several telescopic rods for pushing the material feeding plate to translate are provided on one side of the high-frequency heat-sealing main frame, and the telescopic device, the fixed plate, and the pulley chute of the baffle plate and the high-frequency heat-sealing main frame are all connected by bolt structures.

[0009] As an improvement, the fixed plate and the detachable heat-sealing mold are fixed in position by several positioning pins. Several limiting grooves for restricting the movement position of the thin column end of the T-shaped fixing block are provided above the fixed plate, and a storage groove for storing the card slot block is provided inside the detachable heat-sealing mold.

[0010] As an improvement, the anti-dropping mechanism includes an anti-dropping fixing groove at the top end of the T-shaped fixing block, T-shaped limiting plates on both sides of the inner wall of the anti-dropping fixing groove, and a return spring between the two T-shaped limiting plates. The thin column end of the T-shaped limiting plate passes through the side wall of the anti-dropping fixing groove, and an inclined slope is provided on the top surface of the thin column end of the T-shaped limiting plate.

[0011] As an improvement, the card slot block is connected to the side wall of the storage groove by a pin structure, and the T-shaped fixing block is slidably connected to the inner wall of the limiting groove by the contact of the body.

[0012] The advantages of the present utility model compared with the prior art are as follows: The position of the detachable heat-sealing mold is fixed by the sliding of the through hole inside the card slot block and the T-shaped fixing block; the T-shaped limiting plate of the anti-dropping mechanism prevents the card slot block from loosening after positioning, and the position of the T-shaped fixing block is fixed by the limiting groove. Compared with the traditional connection method, the anti-dropping buckle mechanism only needs to push the T-shaped limiting plate back into the anti-dropping fixing groove and slide the T-shaped fixing block to complete unlocking, without being restricted by the operating space. Description of the Drawings

[0013] Figure 1 is the overall structure diagram of a high-frequency heat-sealing device for inflatable membranes of the present utility model.

[0014] Figure 2 is the partial enlarged view of the anti-dropping buckle mechanism of a high-frequency heat-sealing device for inflatable membranes of the present utility model.

[0015] Figure 3 is the cross-sectional view of the anti-dropping mechanism of a high-frequency heat-sealing device for inflatable membranes of the present utility model.

[0016] Figure 4 is the exploded view of the material feeding plate of a high-frequency heat-sealing device for inflatable membranes of the present utility model.

[0017] Figure 5 is the exploded view of the detachable heat-sealing mold of a high-frequency heat-sealing device for inflatable membranes of the present utility model.

[0018] As shown in the figure: 1. High-frequency heat-sealing main frame; 2. Telescopic device; 3. Detachable heat-sealing die; 4. Fixed plate; 5. Anti-dropping buckle mechanism; 51. Card slot block; 52. T-shaped fixing block; 53. Anti-dropping mechanism; 531. Anti-dropping fixing groove; 532. T-shaped limiting plate; 533. Return spring; 534. Inclined slope; 54. Limiting groove; 55. Storage groove; 6. Feeding plate; 61. Pulley; 62. Support plate; 63. Baffle; 64. Telescopic rod. Specific implementation mode

[0019] The following further elaborates on the present utility model in conjunction with the attached drawings.

[0020] As shown in the attached drawings of the specification Figure 1 、 2 As shown in Figures 1, 3, and 5, it includes a high-frequency heat-sealing main frame 1. Above the high-frequency heat-sealing main frame 1, there is a telescopic device 2 that moves up and down. Below the telescopic device 2, there is a detachable heat-sealing die 3. At the top of the output shaft of the telescopic device 2, there is a fixed plate 4 corresponding to the detachable heat-sealing die 3. Place the output end of the telescopic device 2 on the upper fixed plate 4 and fix the two with bolts.

[0021] The position of the fixed plate 4 and the detachable heat-sealing die 3 is fixed by a number of positioning pins. The positioning pins are located on the bottom surface of the fixed plate 4 and pass through the top surface end of the detachable heat-sealing die 3 to determine the relative position of the detachable heat-sealing die 3 through these pins.

[0022] The detachable heat-sealing die 3 is connected to the fixed plate 4 through an anti-dropping buckle mechanism 5. The anti-dropping buckle mechanism 5 includes a number of card slot blocks 51 inside the detachable heat-sealing die 3, a T-shaped fixing block 52 above the fixed plate 4, and an anti-dropping mechanism 53 inside the T-shaped fixing block 52. The thin column end of the T-shaped fixing block 52 passes through the card slot block 51. Above the fixed plate 4, there are a number of limiting grooves 54 that limit the movement position of the thin column end of the T-shaped fixing block 52. Inside the detachable heat-sealing die 3, there is a storage groove 55 for storing the card slot block 51. The card slot block 51 is connected to the side wall of the storage groove 55 through a pin structure. The T-shaped fixing block 52 is slidably connected to the inner wall of the limiting groove 54 through the contact of the body. After inserting the pin below the fixed plate 4 into the pin hole of the detachable heat-sealing die 3 for positioning, align the pin hole on the side of the card slot block 51 with the pin hole on the side of the storage groove 55, insert a pin for fixation, rotate the card slot block 51 around the pin to fix the card slot block 51 on the outer wall of the fixed plate 4, and insert the thin column end of the T-shaped fixing block 52 into the card slot block through hole inside the limiting groove 54 and the card slot block 51 for fixation, thereby fixing the position of the card slot block 51 and ensuring the fixed connection between the fixed plate 4 and the detachable heat-sealing die 3.

[0023] The anti - detachment mechanism 53 includes an anti - detachment fixing groove 531 located at the top of the T - shaped fixing block 52, T - shaped limiting plates 532 located on both sides of the inner wall of the anti - detachment fixing groove 531, and a return spring 533 located between the two T - shaped limiting plates 532. The thin column end of the T - shaped limiting plate 532 passes through the side wall of the anti - detachment fixing groove 531, and an inclined slope 534 is provided on the top surface of the thin column end of the T - shaped limiting plate 532. The thin column surfaces of the two T - shaped limiting plates 532 are respectively clamped into the sliding grooves on both sides of the anti - detachment fixing groove 531 (the inclined slope 534 faces outward), and the return spring 533 is clamped between the bottom surfaces of the two T - shaped limiting plates 532 to prevent the T - shaped limiting plates 532 from sliding during use.

[0024] As shown in the attached drawings of the specification Figure 1 , 4 A material - placing plate 6 is provided below the detachable heat - sealing die 3 and inside the high - frequency heat - sealing main frame 1. A number of groups of pulleys 61 are provided on both sides of the material - placing plate 6. The pulleys 61 pass through the inner wall of the high - frequency heat - sealing main frame 1. A support plate 62 for supporting the material - placing plate 6 is provided on the bottom surface of the material - placing plate 6. A baffle 63 for closing the open end of the pulley 61 sliding groove inside the high - frequency heat - sealing main frame 1 is provided at the open end of the pulley 61 sliding groove inside the high - frequency heat - sealing main frame 1. A number of telescopic rods 64 for pushing the material - placing plate 6 to translate are provided on one side of the high - frequency heat - sealing main frame 1. The baffle 63 and the pulley 61 sliding groove of the high - frequency heat - sealing main frame 1 are connected by a bolt structure. The pulleys 61 are slid into the sliding grooves on both sides of the high - frequency heat - sealing main frame 1. The telescopic rods 64 and the side wall of the material - placing plate 6 are butted and welded using a welding device. The base of the telescopic rod 64 is fixed to the high - frequency heat - sealing main frame 1 using screws. The baffle 63 is aligned with the open end of the pulley 61 sliding groove, and screws are screwed in to fix the two, ensuring that the material - placing plate 6 will not slide out of the stroke of the high - frequency heat - sealing main frame 1. The telescopic rods 64 are connected to the controller on the side of the high - frequency heat - sealing main frame 1 using wires.

[0025] When the present utility model is specifically implemented, the frequency converter plug above the high - frequency heat - sealing main frame 1 is connected to the detachable heat - sealing die 3, and the power supply is started to heat the detachable heat - sealing die 3. When the temperature reaches the standard, the inflatable film is placed on the material - placing plate 6. The telescopic rods 64 are started, and the material - placing plate 6 is moved below the detachable heat - sealing die 3. The telescopic device 2 is started, and the detachable heat - sealing die 3 is pressed down on the inflatable film for heat - sealing treatment. After reaching the heat - sealing time, the detachable heat - sealing die 3 and the material - placing plate 6 are returned to the zero position for the next operation.

[0026] The above description is about the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the gist of the creation of the present utility model, design without creativity a structural manner and embodiments similar to the technical solution, they shall fall within the protection scope of the present utility model.

Claims

1. A high-frequency heat-sealing device for an inflatable film, comprising a high-frequency heat-sealing main frame (1), a telescopic device (2) for upward and downward reciprocating movement is arranged above the high-frequency heat-sealing main frame (1), a detachable heat-sealing mold (3) is arranged below the telescopic device (2), and a fixing plate (4) corresponding to the detachable heat-sealing mold (3) is arranged at the top end of the output shaft of the telescopic device (2), characterized in that: The detachable heat-sealing mold (3) is connected to the fixed plate (4) via an anti-drop-off snap-on mechanism (5), wherein the anti-drop-off snap-on mechanism (5) comprises a plurality of snap-on slot blocks (51) located inside the detachable heat-sealing mold (3), a T-shaped fixed block (52) located above the fixed plate (4), and an anti-drop-off mechanism (53) located inside the T-shaped fixed block (52), wherein the thin column end of the T-shaped fixed block (52) passes through the snap-on slot block (51).

2. A high frequency heat sealing device for an inflatable film according to claim 1, characterized in that: A discharge plate (6) located inside the high-frequency heat sealing main frame (1) is provided below the detachable heat sealing mold (3), and a plurality of groups of pulleys (61) are provided on both sides of the discharge plate (6). The pulleys (61) pass through the inner wall of the high-frequency heat sealing main frame (1), and a support plate (62) for supporting the discharge plate (6) is provided on the bottom surface of the discharge plate (6), and a baffle (63) for closing the open end of the slide groove of the pulley (61) inside the high-frequency heat sealing main frame (1) is provided.

3. A high frequency heat sealing device for an inflatable film according to claim 2, characterized in that: A plurality of telescopic rods (64) for pushing the unloading plate (6) to move in translation are provided on one side of the high-frequency heat sealing main frame (1); the telescopic device (2) and the fixing plate (4) as well as the baffle plate (63) and the pulley (61) slide groove of the high-frequency heat sealing main frame (1) are all connected via a bolt structure.

4. A high frequency heat sealing device for an inflatable film according to claim 1, characterized in that: The fixing plate (4) and the detachable heat-sealing mold (3) are fixed in position by a plurality of positioning pins; a plurality of limiting grooves (54) for limiting the moving position of the thin column end of the T-shaped fixing block (52) are provided above the fixing plate (4); and a storage groove (55) for storing the card slot block (51) is provided inside the detachable heat-sealing mold (3).

5. A high frequency heat sealing device for an inflatable film according to claim 4, characterized in that: The anti-falling mechanism (53) comprises an anti-falling fixing groove (531) located at the top of the T-shaped fixing block (52), T-shaped limiting plates (532) located at both sides of the inner wall of the anti-falling fixing groove (531), and a return spring (533) located between the two T-shaped limiting plates (532), the thin column end of the T-shaped limiting plate (532) passing through the side wall of the anti-falling fixing groove (531), and the top surface of the thin column end of the T-shaped limiting plate (532) is provided with an inclined slope (534).

6. A high frequency heat sealing device for an inflatable film according to claim 4, characterized in that: The slot block (51) is connected to the side wall of the storage slot (55) via a pin structure, and the T-shaped fixing block (52) is slidably connected to the inner wall of the limiting slot (54) via body contact.

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