CN217477705U

CN217477705U - Sealing mechanism of packaging bag

Info

Publication number: CN217477705U
Application number: CN202122136648.XU
Authority: CN
Inventors: 梅魁; 吕太平
Original assignee: Anhui Xinkun Intelligent Equipment Technology Co ltd
Current assignee: Anhui Xinkun Intelligent Equipment Technology Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-09-23
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a sealing mechanism of a packaging bag, which comprises a conveyor belt, wherein baffle plates are fixedly arranged at the two sides of the top of the conveyor belt, the top of the baffle plates is fixedly provided with a mounting plate, the two baffle plates form a narrow space above the conveyor belt, so that the noodle packaging bag keeps a standing state, meanwhile, the baffle plate plays a supporting role at two sides, the top parts of the two mounting plates are both connected with movable plates in a sliding way, the lower parts of the two movable plates are provided with leveling mechanisms, the middle positions of the two movable plates are both fixedly connected with connecting blocks, one side of the two connecting blocks close to the inner part is fixedly provided with a hot-pressing block, the top parts of the two movable plates are provided with driving mechanisms for controlling the distance between the two movable plates, the pressing plate is arranged below the hot pressing device, so that the packaging bag can be leveled before hot pressing, and the sealing quality is ensured.

Description

Sealing mechanism of packaging bag

Technical Field

The utility model relates to a product packaging technical field, concretely relates to mechanism of sealing of wrapping bag.

Background

The sealing mechanism of the packaging bag replaces manual work to complete hot-press welding of the bag opening of the packaging bag, and production efficiency is effectively improved.

A tensioning mechanism for a package closure as disclosed in patent publication CN107856917A, comprising: the tensioning device comprises a driving device, a first tensioning device and a second tensioning device, wherein the driving device simultaneously drives the first tensioning device and the second tensioning device to rotate. The invention relates to a tensioning mechanism for sealing a packaging bag, which is provided with a first tensioning device and a second tensioning device, wherein two sides of the packaging bag are tensioned through tensioning clamps on the two tensioning devices, so that a tailor's machine can rapidly seal a bag opening, the operation is simple and convenient, the speed is high, the sealing work can be rapidly completed on a production line, the packaging bag is tensioned towards two sides through the tensioning devices on the two sides, and the leveling effect is achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanism of sealing of wrapping bag solves following technical problem:

and a leveling device is arranged below the hot-press welding device, so that the bag opening is leveled first, and then the bag opening is welded and sealed, and the flatness of the seal is ensured.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a mechanism that seals of wrapping bag, includes the conveyer belt, the equal fixed mounting in top both sides position of conveyer belt has the baffle, the top fixed mounting of baffle has the mounting panel, two the baffle forms a narrow and small space in the top of conveyer belt for noodless wrapping bag keeps the state of standing, and the baffle plays the supporting role in both sides simultaneously, two the equal sliding connection in top of mounting panel has the fly leaf, two leveling mechanism, two are installed to the below of fly leaf the equal fixedly connected with connecting block in intermediate position of fly leaf, two one side fixed mounting that leans on of connecting block has the hot pressing piece, two actuating mechanism is installed at the top of fly leaf for distance between two fly leaves of control.

As a further aspect of the present invention: leveling mechanism includes "U" shape piece, "U" shape piece fixed mounting is close to the position of bottom at the fly leaf, sliding connection has two slide bars, two on the "U" shape piece one side fixed mounting of slide bar has the fixed block, fixed mounting has "L" shaped plate on the fixed block, the position that lies in on the slide bar between "U" shape piece and the fixed block has cup jointed the spring, and the below of fly leaf provides the space for the motion of fixed block for the fretwork design.

As a further aspect of the present invention: one side of "L" shaped plate is rotated and is connected with the clamp plate, and when two clamp plates contacted, can flatten the wrapping bag of welding position below, the lower extreme of clamp plate is rotated and is connected with connecting rod one, the below of "L" shaped plate is rotated and is connected with the telescopic link, rotate between connecting rod one and the telescopic link and be connected, one side bottom fixed mounting of "L" shaped plate has the cylinder, the piston rod of cylinder rotates with the junction of connecting rod one and telescopic link to be connected.

As a further aspect of the present invention: two distance between the clamp plate is less than the distance between two hot pressing pieces, guarantees when two fly leafs are close to each other, and two clamp plates contact the wrapping bag sack earlier to flatten it.

As a further aspect of the present invention: actuating mechanism includes spacing frame, spacing frame sets up at the top of two fly leafs, and swing joint between two fly leafs and the spacing frame, one side intermediate position fixed mounting of spacing frame has the motor, fixed mounting has the threaded rod on the output shaft of motor, the both sides threaded connection of threaded rod has the movable block, the both sides of movable block are rotated and are connected with the connecting rod, the opposite side of connecting rod is rotated with the top one end of fly leaf and is connected.

As a further aspect of the present invention: and the thread directions of the two ends of the threaded rod are opposite.

The utility model has the advantages that:

the wrapping bag is transported to the position of sealing through the conveyer belt, afterwards, motor work, it is rotatory to drive the threaded rod, two movable blocks move to the intermediate point of threaded rod, the fly leaf that makes both sides draws close to the threaded rod position, thereby it is close to each other to drive leveling mechanism, two "L" shaped plates are at first contacted, make the slide bar slide along "U" shape piece, the fly leaf of both sides continues to move to the intermediate position, cylinder work, promote two clamp plates and keep vertical downward state, and the two flattens the sack, seal until two hot pressing block contacts completion sack, seal and sign earlier and carry out the flattening to the sack, guarantee the roughness of sealing.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the middle sealing mechanism of the present invention;

FIG. 2 is a schematic view of the leveling mechanism of the present invention;

FIG. 3 is a schematic view of the internal structure of the "L" -shaped plate of the present invention;

fig. 4 is a schematic view of the driving mechanism of the present invention.

In the figure: 1. a conveyor belt; 2. a baffle plate; 3. mounting a plate; 4. a leveling mechanism; 401. a U-shaped block; 402. a slide bar; 403. a spring; 404. an "L" shaped plate; 405. a fixed block; 406. a cylinder; 407. pressing a plate; 408. a first connecting rod; 409. a telescopic rod; 5. connecting blocks; 6. a movable plate; 7. hot pressing blocks; 8. a drive mechanism; 801. a limiting frame; 802. a motor; 803. a threaded rod; 804. a connecting rod; 805. a movable block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1, the utility model relates to a mechanism seals of wrapping bag, including conveyer belt 1, the equal fixed mounting in top both sides position of conveyer belt 1 has baffle 2, the top fixed mounting of baffle 2 has mounting panel 3, two baffles 2 form a narrow and small space in the top of conveyer belt 1, make the noodless wrapping bag keep the state of standing, baffle 2 plays the supporting role in both sides simultaneously, the equal sliding connection in top of two mounting panels 3 has fly leaf 6, leveling mechanism 4 is installed to the below of two fly leaves 6, the equal fixedly connected with connecting block 5 in intermediate position of two fly leaves 6, one side fixed mounting has hot pressing block 7 in leaning on of two connecting block 5, actuating mechanism 8 is installed at the top of two fly leaves 6, a distance between two fly leaves 6 is used for controlling.

Referring to fig. 2, the leveling mechanism 4 includes a U-shaped block 401, the U-shaped block 401 is fixedly mounted at a position close to the bottom of the movable plate 6, two sliding rods 402 are slidably connected to the U-shaped block 401, a fixing block 405 is fixedly mounted at one side of the two sliding rods 402, an L-shaped plate 404 is fixedly mounted on the fixing block 405, a spring 403 is sleeved at a position between the U-shaped block 401 and the fixing block 405 on the sliding rod 402, and a hollow design is arranged below the movable plate 6 to provide a space for movement of the fixing block 405.

Referring to fig. 3, a pressing plate 407 is rotatably connected to one side of an "L" shaped plate 404, when the two pressing plates 407 are in contact, a packaging bag below a welding position can be pressed flat, a first connecting rod 408 is rotatably connected to the lower end of the pressing plate 407, an expansion link 409 is rotatably connected to the lower side of the "L" shaped plate 404, the first connecting rod 408 is rotatably connected to the expansion link 409, an air cylinder 406 is mounted on an opposite surface of the bottom of one side of the "L" shaped plate 404, and a piston rod of the air cylinder 406 is rotatably connected to a connection position of the first connecting rod 408 and the expansion link 409.

The distance between the two pressing plates 407 is smaller than the distance between the two hot pressing blocks 7, so that when the two movable plates 6 are close to each other, the two pressing plates 407 firstly contact the bag opening of the packaging bag and flatten the packaging bag.

Referring to fig. 4, the driving mechanism 8 includes a limiting frame 801, the limiting frame 801 is disposed on the top of the two movable plates 6, the two movable plates 6 are movably connected with the limiting frame 801, a motor 802 is fixedly mounted in the middle of one side of the limiting frame 801, a threaded rod 803 is fixedly mounted on an output shaft of the motor 802, movable blocks 805 are connected to two sides of the threaded rod 803 through threads, two sides of the movable block 805 are rotatably connected with a connecting rod 804, the other side of the connecting rod 804 is rotatably connected with one end of the top of the movable plate 6, and two ends of the threaded rod 803 are opposite in thread direction.

The utility model discloses a theory of operation:

the packaging bag is conveyed to a sealing position through the conveyor belt 1 and is kept vertical on the conveyor belt 1, then, the motor 802 works to drive the threaded rod 803 to rotate, the two movable blocks 805 move to the middle point of the threaded rod 803, so that the movable plates 6 on the two sides are close to the threaded rod 803, the leveling mechanisms 4 are driven to approach each other, and at the moment, the air cylinders 406 keep a contraction state;

the two L-shaped plates 404 are firstly contacted, so that the sliding rod 402 slides along the U-shaped block 401, the movable plates 6 on the two sides continue to move towards the middle position, at the moment, the air cylinder 406 works, the piston rod is ejected out, the first connecting rod 408 and the telescopic rod 409 are pushed to form a straight line, the two pressing plates 407 keep a vertical downward state, the two pressing plates flatten the bag mouth until the two hot pressing blocks 7 are contacted to finish the bag mouth sealing, after the bag mouth sealing is finished, the two movable plates 6 move towards the two sides, and the L-shaped plates 404 return to the initial position under the action of the spring 403.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. The equivalent changes and improvements made according to the application scope of the present invention should be still included in the patent coverage of the present invention.

Claims

1. The utility model provides a mechanism that seals of wrapping bag, includes conveyer belt (1), its characterized in that, the equal fixed mounting in top both sides position of conveyer belt (1) has baffle (2), the top fixed mounting of baffle (2) has mounting panel (3), two the equal sliding connection in top of mounting panel (3) has fly leaf (6), two leveling mechanism (4), two are installed to the below of fly leaf (6) the equal fixedly connected with connecting block (5) of intermediate position of fly leaf (6), two fixed mounting has hot briquetting (7), two on the opposite face of connecting block (5) actuating mechanism (8) are installed at the top of fly leaf (6).

2. The sealing mechanism of the packaging bag according to claim 1, wherein the leveling mechanism (4) comprises a U-shaped block (401), the U-shaped block (401) is fixedly installed at a position, close to the bottom, of the movable plate (6), two sliding rods (402) are connected onto the U-shaped block (401) in a sliding mode, a fixed block (405) is fixedly installed on one side of each of the two sliding rods (402), an L-shaped block (404) is fixedly installed on each fixed block (405), and a spring (403) is sleeved at a position, located between the U-shaped block (401) and the fixed block (405), on each sliding rod (402).

3. The sealing mechanism of the packaging bag as claimed in claim 2, wherein one side of the L-shaped plate (404) is rotatably connected with a pressing plate (407), the lower end of the pressing plate (407) is rotatably connected with a first connecting rod (408), the lower part of the L-shaped plate (404) is rotatably connected with an expansion link (409), the first connecting rod (408) and the expansion link (409) are rotatably connected, a cylinder (406) is fixedly mounted at the bottom of one side of the L-shaped plate (404), and a piston rod of the cylinder (406) is rotatably connected with the connecting part of the first connecting rod (408) and the expansion link (409).

4. A closure mechanism for a package according to claim 3, wherein the distance between the two press plates (407) is less than the distance between the two heat press blocks (7).

5. The sealing mechanism of the packaging bag according to claim 1, wherein the driving mechanism (8) comprises a limiting frame (801), a motor (802) is fixedly mounted at the middle position of one side of the limiting frame (801), a threaded rod (803) is fixedly mounted on an output shaft of the motor (802), movable blocks (805) are in threaded connection with two sides of the threaded rod (803), connecting rods (804) are rotatably connected with two sides of each movable block (805), the other side of each connecting rod (804) is rotatably connected with one end of the top of the corresponding movable plate (6), and threads at two ends of each threaded rod (803) are opposite in rotating direction.