CN215922736U

CN215922736U - Plastic bag sealing equipment

Info

Publication number: CN215922736U
Application number: CN202122419057.3U
Authority: CN
Inventors: 张晓宇; 张辉
Original assignee: Anchuangbeikang Biotechnology Co ltd
Current assignee: Anchuangbeikang Biotechnology Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-03-01
Anticipated expiration: 2031-10-08

Abstract

The application provides a plastic bag sealing device which comprises a rack, a heat sealing rod and a pressing sheet, wherein the heat sealing rod is provided with a plurality of heat sealing planes which are arranged at intervals around the axis of the heat sealing rod, and the heat sealing rod is rotatably connected with the rack; the pressing sheet is connected with the rack, the pressing sheet and the heat seal rod can be relatively close to or far away from each other, and when the pressing sheet is close to the heat seal rod, the pressing sheet can be matched with one heat seal plane in the plurality of heat seal planes to hot-press the plastic bag. The sealing equipment has low cost.

Description

Plastic bag sealing equipment

Technical Field

The utility model relates to the technical field of sealing, in particular to plastic bag sealing equipment.

Background

The sealing device is a machine for sealing a plastic bag filled with a packing material, and after a product is filled into the plastic bag, the product is required to be sealed for storage in a sealed manner so as to keep the product quality and avoid product loss, and the sealing process is generally completed through the sealing device. At present, a sealing device comprises a machine frame, a platform, a lower heat sealing strip and an upper heat sealing strip, wherein the platform is fixed on the machine frame, and the upper heat sealing strip and the lower heat sealing strip can move relatively, so that a plastic bag clamped between the upper heat sealing strip and the lower heat sealing strip is subjected to heat sealing.

The inventor researches and discovers that the existing sealing device has the following defects:

the cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a plastic bag sealing apparatus which can reduce the cost.

The embodiment of the utility model is realized by the following steps:

the present invention provides a plastic bag sealing apparatus, comprising:

the heat sealing device comprises a rack, a heat sealing rod and a pressing sheet, wherein the heat sealing rod is provided with a plurality of heat sealing planes which are arranged at intervals around the axis of the heat sealing rod, and the heat sealing rod is rotatably connected with the rack; the pressing sheet is connected with the rack, the pressing sheet and the heat seal rod can be relatively close to or far away from each other, and when the pressing sheet is close to the heat seal rod, the pressing sheet can be matched with one heat seal plane in the plurality of heat seal planes to hot-press the plastic bag.

In an alternative embodiment, the sheeting is slidably engaged with the frame to allow the sheeting to move toward and away from the sealing bar.

In an alternative embodiment, the frame comprises a base, a frame body and a first driver, wherein the frame body is connected with the base, the first driver is connected with the frame body, the pressing sheet is connected with the first driver, the heat sealing rod is rotatably connected with the base, and the first driver is used for driving the pressing sheet to be close to or far away from the heat sealing rod.

In an alternative embodiment, the first actuator is configured as a telescopic cylinder module, a stepping motor module or a screw drive module.

In an optional embodiment, the rack further comprises a second driver and a supporting platform, the second driver is connected with the base, the supporting platform is connected with the second driver, the pressing sheet and the supporting platform are located on two sides of the heat sealing rod, and the second driver is used for driving the supporting platform to be close to or far away from the heat sealing rod.

In an alternative embodiment, the support table comprises a support body and a thermally insulating layer connected, the support body being connected to the second drive, the thermally insulating layer being adapted to abut against the heat sealing bar.

In an alternative embodiment, the plastic bag sealing device further comprises a rotation preventing assembly connected with the frame, the rotation preventing assembly has a first state and a second state which are mutually switched, and when the rotation preventing assembly is in the first state, the rotation preventing assembly is connected with the heat sealing rod and used for limiting the heat sealing rod to rotate relative to the frame; in the second state, the anti-rotation assembly is separated from the heat sealing bar so that the heat sealing bar can rotate relative to the frame.

In an alternative embodiment, each heat-sealing plane is provided with an anti-rotation hole; the anti-rotation assembly comprises a mounting plate, an anti-rotation pin and an elastic reset piece, the mounting plate is connected with the rack, the anti-rotation pin is slidably connected with the mounting plate, and the reset piece is connected with the anti-rotation pin and the mounting plate at the same time and used for enabling the anti-rotation pin to have a movement trend of being inserted into the anti-rotation hole; when the anti-rotation pin is inserted into the anti-rotation hole, the anti-rotation assembly is in a first state; when the anti-rotation pin is separated from the anti-rotation hole, the anti-rotation assembly is in a second state.

In an alternative embodiment, the elastic return element is provided as a spring, a spring plate or a rubber element.

In an alternative embodiment, the plastic bag sealing device further comprises a rechargeable battery, the rechargeable battery is connected with the frame, and the rechargeable battery is electrically connected with the heat sealing rod.

The embodiment of the utility model has the beneficial effects that:

in summary, before the plastic bag sealing apparatus provided by this embodiment is operated for the first time, the heat sealing rod is rotated to align one of the plurality of heat sealing planes on the heat sealing rod with the pressing sheet. Then, the bag mouth of the plastic bag is placed between the pressing sheet and the heat-sealing plane, and the heat-sealing rod is electrified and heated in the process that the pressing sheet and the heat-sealing plane jointly press the plastic bag, so that the heat-sealing of the bag mouth of the plastic bag is realized, and the sealing operation is completed. In the long-term use process of the heat seal rod, the part of the plastic bag is remained on the heat seal plane, and a gap is formed among the heat seal plane, the pressing sheet and the plastic bag, so that the heat seal effect is poor.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a plastic bag sealing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a heat sealing bar according to an embodiment of the present invention.

Icon:

001-plastic bag; 100-a frame; 110-a base; 120-a frame body; 130-a first driver; 140-a second driver; 150-a support table; 160-a positioning plate; 200-heat seal bar; 210-sealing plane; 220-anti-rotation hole; 230-a body bar; 240-minor axis; 300-tabletting; 400-an anti-rotation assembly; 410-anti-rotation pin; 420-an elastic reset piece; 430-mounting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

At present, current heat-sealing machine includes veneer heat-sealing machine and doubleplate heat-sealing machine to the heat-sealing machine adopts a clamp plate of heat-sealing plate cooperation to explain as an example, and when utilizing the heat-sealing machine to carry out the sealing of plastic bag 001, plastic bag 001 is by the centre gripping between heat-sealing plate and clamp plate, and the two is applyed pressure in plastic bag 001, and heat-sealing plate heating plastic bag 001 to realize sealing. When sealing the more back of number of times, can remain some plastics impurity on the hot close board to influence the roughness of hot close board, thereby the influence seals the effect. At this time, the heat sealing plate needs to be replaced, the efficiency is reduced, and the cost is increased.

In view of this, designers have designed a sealing apparatus for plastic bags 001, which can reduce the cost and improve the efficiency.

Referring to fig. 1 and 2, in the present embodiment, a sealing apparatus for a plastic bag 001 includes a frame 100, a sealing bar 200, and a pressing sheet 300, the sealing bar 200 having a plurality of sealing planes 210, the plurality of sealing planes 210 being arranged at intervals around an axis of the sealing bar 200, the sealing bar 200 being rotatably coupled to the frame 100; the pressing sheet 300 is coupled to the frame 100, the pressing sheet 300 can be relatively close to or away from the sealing bar 200, and the pressing sheet 300 can be engaged with one sealing plane 210 among the plurality of sealing planes 210 to heat-press the plastic bag 001 when the pressing sheet 300 is close to the sealing bar 200.

In the sealing apparatus for plastic bags 001 of the present embodiment, before the first operation, the sealing bar 200 is rotated to align one sealing plane 210 of the plurality of sealing planes 210 on the sealing bar 200 with the pressing sheet 300. Then, the bag mouth of the plastic bag 001 is placed between the pressing sheet 300 and the heat-sealing plane 210, and the heat-sealing rod 200 is electrified and heated in the process that the pressing sheet 300 and the heat-sealing plane 210 jointly press the plastic bag 001, so that the heat-sealing of the bag mouth of the plastic bag 001 is realized, and the sealing operation is completed. In the long-term use process of the heat sealing rod 200, the heat sealing effect is poor because gaps are formed among the heat sealing plane 210, the pressing sheets 300 and the plastic bag 001 due to the fact that the part of the plastic bag 001 is left on the heat sealing plane 210, and at the moment, the heat sealing rod 200 is rotated to enable the new heat sealing plane 210 to be aligned to the pressing sheets 300, the heat sealing rod 200 does not need to be directly replaced, and one heat sealing rod 200 can be used for multiple times, so that the operation cost is reduced, the operation efficiency is improved, and the economic benefit is improved.

In this embodiment, the rack 100 may optionally include a base 110, a frame 120, a first driver 130, a second driver 140, and a support table 150. Two opposite positioning plates 160 are arranged on the base 110, a rotating hole is arranged on each positioning plate 160, two mounting holes on the two positioning plates 160 are coaxially arranged, and a rotating shaft is inserted into the two mounting holes. The rotating shaft is used for installing the heat seal rod 200. The middle of the base 110 is provided with a mounting groove, which is a rectangular groove or a circular groove. The second driver 140 is provided in a linear telescopic structure, and the second driver 140 is provided in the mounting groove. The support table 150 includes a support body and a heat insulation layer, the support body is a square block, one rectangular side surface of the support body is fixedly connected with the telescopic end of the second driver 140, the heat insulation layer is fixedly connected with the other rectangular side surface of the support body, and the second driver 140 and the heat insulation layer are located on two opposite sides of the support body. The second driver 140 is used to drive the supporting platform 150 to move telescopically along a predetermined direction, so that the heat-insulating layer can be abutted against a sealing plane 210 of the sealing bar 200 or be separated from the sealing bar 200. When the support table 150 abuts against the heat sealing rod 200, the heat sealing rod 200 is fixed relative to the base 110, and the heat sealing rod 200 cannot rotate relative to the base 110, so that the heat sealing rod 200 is firm in position and not easy to rotate in the heat sealing process, and the sealing is facilitated; meanwhile, the heat sealing rod 200 is supported by the supporting platform 150, and the pressure applied to the heat sealing rod 200 can be transmitted to the base 110 through the supporting platform 150, so that the stress applied to the heat sealing rod 200 is more stable and is not easy to damage. It is to be understood that the insulating layer may be a high temperature resistant plastic layer and that the insulating layer may be fixed to the support body with screws. The holder body 120 is fixedly connected with the base 110, the first driver 130 is fixedly connected with the holder body 120, the first driver 130 is arranged in a linear telescopic structure, the pressing sheet 300 is fixed on the first driver 130, and the pressing sheet 300 can slide in a reciprocating manner relative to the holder body 120 in a preset direction under the driving of the first driver 130, so as to be close to or far away from the base 110, that is, close to or far away from the heat sealing rod 200 on the base 110 under the action of the first driver 130.

In this embodiment, further, a bearing is disposed in each rotating hole, and two ends of the rotating shaft are respectively inserted into the two bearings, so that after the heat sealing rod 200 is sleeved outside the rotating shaft, the heat sealing rod 200 is more flexible and convenient to rotate. It should be noted that a third driver can be disposed on the base 110, the third driver is a motor, a motor shaft of the third driver is connected to the rotating shaft, and the third driver can drive the rotating shaft to rotate, so as to drive the heat sealing rod 200 to rotate, thereby replacing the heat sealing plane 210. It should be noted that the motor shaft and the rotating shaft can be connected by a coupler, and when the heat sealing rod 200 needs to be replaced, the coupler is separated from the heat sealing rod 200, so that the heat sealing rod 200 can be conveniently taken down from the base 110.

Optionally, the positioning plate 160 may be configured as two half-plate splicing structures, the two half-plates are fixedly connected by screws, and a rotation hole is formed after the two half-plates are spliced, so that the bearing is clamped in the rotation hole.

It should be noted that the first actuator 130 and the second actuator 140 are both configured as a telescopic cylinder module, a stepping motor module, or a lead screw transmission module, for example, the first actuator 130 and the second actuator 140 are both configured as an air cylinder or a hydraulic cylinder.

Optionally, sealing bar 200 comprises a main body bar 230 and two short shafts 240, main body bar 230 is a rectangular bar, and four sides of main body bar 230 are sealing planes 210. The two short shafts 240 are non-heat-conducting pieces, the two short shafts 240 are fixedly connected with two ends of the main body rod 230, and the two short shafts 240 are respectively in inserted fit with the two bearings. Each sealing plane 210 is provided with an anti-rotation hole 220.

In this embodiment, optionally, the sealing apparatus for plastic bags 001 further includes a rotation preventing assembly 400 connected to the frame 100, the rotation preventing assembly 400 has a first state and a second state which are switched to each other, and in the first state, the rotation preventing assembly 400 is connected to the heat sealing rod 200 for limiting the rotation of the heat sealing rod 200 relative to the frame 100; in the second state, the anti-spin assembly 400 is separated from the sealing bar 200 so that the sealing bar 200 can rotate relative to the frame 100. Further, the anti-rotation assembly 400 includes a mounting plate 430, an anti-rotation pin 410, and an elastic reset member 420, the mounting plate 430 is connected to the frame 100, the anti-rotation pin 410 is slidably connected to the mounting plate 430, and the reset member is connected to both the anti-rotation pin 410 and the mounting plate 430, for enabling the anti-rotation pin 410 to have a movement tendency to be inserted into the anti-rotation hole 220; and when the rotation preventing pin 410 is inserted into the rotation preventing hole 220, the rotation preventing assembly 400 is in the first state; when the anti-rotation pin 410 is disengaged from the anti-rotation hole 220, the anti-rotation assembly 400 is in the second state.

Optionally, the elastic restoring member 420 is configured as a spring, a spring plate, or a rubber member. For example, taking the elastic restoring member 420 as a spring as an example for explanation, the elastic restoring member 420 is sleeved outside the anti-rotation pin 410, and two ends of the elastic restoring member 420 are fixedly connected with the mounting plate 430 and the anti-rotation pin 410, respectively, and when the anti-rotation pin 410 is pulled, the elastic restoring member 420 is elongated. That is, in the initial state, one end of the rotation preventing pin 410 is inserted into the rotation preventing hole 220, and the rotation preventing pin 410 is pulled to pull out the rotation preventing hole 220, so that the heat sealing rod 200 can be rotated as required. When the pulling force applied to the rotation preventing pin 410 is removed, the rotation preventing pin 410 is inserted into the rotation preventing hole 220 by the elastic restoring member 420, and the position of the heat sealing bar 200 is locked and does not rotate with respect to the base 110.

In this embodiment, optionally, the sealing device for plastic bag 001 further includes a rechargeable battery, the rechargeable battery is connected to the frame 100, and the rechargeable battery is electrically connected to the heat sealing rod 200. It should be noted that the heat sealing rod 200 can be connected to a plug through an adapter, and the plug can be directly plugged into a socket connected to the mains supply, so that the mains supply is directly used to provide electric energy for the heat sealing rod 200, and the heat sealing rod 200 converts the electric energy into heat energy. Or, in the power failure environment, the rechargeable battery is used as a standby power supply, can perform heat seal action, and has strong adaptability.

According to the sealing equipment for the plastic bag 001, when plastic impurities influencing the sealing effect are left on one heat sealing plane 210, the heat sealing rod 200 is rotated, the new heat sealing plane 210 is aligned with the pressing sheet 300, the heat sealing rod 200 does not need to be directly replaced, one heat sealing rod 200 can be used for multiple times, the operation cost is reduced, the operation efficiency is improved, and the economic benefit is improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A plastic bag (001) sealing apparatus, comprising:

the heat sealing device comprises a rack (100), a heat sealing rod (200) and a pressing sheet (300), wherein the heat sealing rod (200) is provided with a plurality of heat sealing planes (210), the heat sealing planes (210) are arranged at intervals around the axis of the heat sealing rod (200), and the heat sealing rod (200) is rotatably connected with the rack (100); the preforming (300) with frame (100) are connected, preforming (300) with heat seal stick (200) can be close to relatively or keep away from, and preforming (300) with when heat seal stick (200) are close to, preforming (300) can with a heat seal plane (210) cooperation in a plurality of heat seal planes (210) is with hot-pressing plastic bag (001).

2. A plastic bag (001) sealing apparatus according to claim 1, wherein:

the pressing sheet (300) is slidably fitted with the frame (100) so that the pressing sheet (300) can be close to or away from the heat sealing bar (200).

3. A plastic bag (001) sealing apparatus according to claim 2, wherein:

frame (100) includes base (110), support body (120) and first driver (130), support body (120) with base (110) are connected, first driver (130) with support body (120) are connected, preforming (300) with first driver (130) are connected, heat seal stick (200) with base (110) rotationally connect, first driver (130) are used for the drive preforming (300) are close to or keep away from heat seal stick (200).

4. A plastic bag (001) sealing apparatus according to claim 3, wherein:

the first driver (130) is set to be a telescopic cylinder module, a stepping motor module or a screw rod transmission module.

5. A plastic bag (001) sealing apparatus according to claim 3, wherein:

frame (100) still includes second driver (140) and supporting bench (150), second driver (140) with base (110) are connected, supporting bench (150) with second driver (140) are connected, preforming (300) with supporting bench (150) are located the both sides of heat seal stick (200), second driver (140) are used for driving supporting bench (150) are close to or keep away from heat seal stick (200).

6. A plastic bag (001) sealing apparatus as claimed in claim 5, wherein:

the supporting table (150) comprises a supporting main body and a heat insulating layer which are connected, the supporting main body is connected with the second driver (140), and the heat insulating layer is used for abutting against the heat sealing rod (200).

7. A plastic bag (001) sealing apparatus according to claim 1, wherein:

the plastic bag (001) sealing device further comprises a rotation preventing assembly (400) connected with the rack (100), the rotation preventing assembly (400) has a first state and a second state which are mutually switched, and when the rotation preventing assembly (400) is in the first state, the rotation preventing assembly (400) is connected with the heat sealing rod (200) and used for limiting the heat sealing rod (200) to rotate relative to the rack (100); in the second state, the anti-rotation assembly (400) is separated from the heat sealing bar (200) so that the heat sealing bar (200) can rotate relative to the frame (100).

8. The plastic bag (001) sealing apparatus according to claim 7, wherein:

each heat-sealing plane (210) is provided with an anti-rotation hole (220); the anti-rotation assembly (400) comprises a mounting plate (430), an anti-rotation pin (410) and an elastic reset piece (420), wherein the mounting plate (430) is connected with the rack (100), the anti-rotation pin (410) is slidably connected with the mounting plate (430), and the reset piece is connected with the anti-rotation pin (410) and the mounting plate (430) at the same time and is used for enabling the anti-rotation pin (410) to have a movement tendency of being inserted into the anti-rotation hole (220); and when the anti-rotation pin (410) is inserted into the anti-rotation hole (220), the anti-rotation assembly (400) is in the first state; when the anti-rotation pin (410) is disengaged from the anti-rotation hole (220), the anti-rotation assembly (400) is in the second state.

9. The plastic bag (001) sealing apparatus according to claim 8, wherein:

the elastic reset piece (420) is arranged to be a spring, a spring sheet or a rubber piece.

10. A plastic bag (001) sealing apparatus according to claim 1, wherein:

the sealing equipment for the plastic bag (001) further comprises a rechargeable battery, the rechargeable battery is connected with the rack (100), and the rechargeable battery is electrically connected with the heat sealing rod (200).