CN218055907U

CN218055907U - Packaging bag sealing mechanism

Info

Publication number: CN218055907U
Application number: CN202222177178.6U
Authority: CN
Inventors: 王克求; 苏中庭; 童圣钊
Original assignee: Wenzhou Jiesheng Machinery Co ltd
Current assignee: Wenzhou Jiesheng Machinery Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-16
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a wrapping bag involution mechanism has carry over pinch rolls (3) and compression roller (2) that the cooperation set up, carry over pinch rolls (3) are connected with the rotation drive assembly the discharge end of carry over pinch rolls (3) is provided with mobilizable opening claw subassembly, its characterized in that: the below of opening claw subassembly is provided with adjustable shelf (8), the adjustable shelf is connected with the removal drive subassembly, be provided with the involution subassembly on adjustable shelf (8), adjustable shelf (8) are provided with layering (15) in the below of involution subassembly, be provided with the elastic component between layering (15) and the adjustable shelf, be provided with on frame (1) with layering (15) complex backup plate (18). The utility model discloses simple structure, reasonable in design for the heat-seal end of wrapping bag is close to the sack top more, effectively increases the volume of wrapping bag, and promotes the aesthetic property of wrapping bag.

Description

Packaging bag sealing mechanism

Technical Field

The utility model relates to a wrapping bag processing equipment, concretely relates to wrapping bag involution mechanism.

Background

The wrapping bag is because of the convenience of its use has wide application in people's life and production, and one of them wrapping bag is the roll-type that takes the tear mark after production is accomplished, drives the wrapping bag through drawing the roller set and unreels to opening claw department, through the swing of control opening claw, stretches into the inside distraction that realizes the wrapping bag sack of wrapping bag, packs the material into the wrapping bag again, carries out the heat-seal through the opening of heat-seal subassembly with the wrapping bag at last, and the defect that above-mentioned structure exists is: the bag opening is completely opened during heat sealing, the smoothness of the heat sealing is guaranteed, the opening claw needs to stretch into a deeper position in the packaging bag, in order to avoid the opening claw, the heat sealing position can be located below the opening claw, the distance between the heat sealing position and the top of the packaging bag is very far, a large part of bag body is wasted on the outer side of the heat sealing position of the packaging bag, the space in the packaging bag is reduced, more materials cannot be filled in the packaging bag, and the appearance of the excessive bag body on the outer side also enables the overall attractiveness of the packaging bag to be greatly reduced.

SUMMERY OF THE UTILITY MODEL

In view of the not enough of background art, the utility model aims to solve the technical problem that a make the heat-seal end of wrapping bag be close to the sack top more, effectively increase the volume of wrapping bag to promote the wrapping bag involution mechanism of the aesthetic property of wrapping bag.

Therefore, the utility model discloses an adopt following scheme to realize:

the utility model provides a wrapping bag involution mechanism, has carry over pinch rolls and the compression roller that the cooperation set up, the carry over pinch rolls is connected with rotation drive assembly the discharge end of carry over pinch rolls is provided with mobilizable open jaw subassembly, its characterized in that: the movable frame is arranged below the opening claw assembly and connected with the mobile driving assembly, a sealing assembly is arranged on the movable frame, a pressing strip is arranged below the sealing assembly on the movable frame, an elastic piece is arranged between the pressing strip and the movable frame, and a backup plate matched with the pressing strip is arranged on the rack.

The rotation driving assembly comprises a first motor, and the first motor is in transmission connection with the traction roller.

The open claw assembly comprises open claws arranged on the left and right sides, and the open claws are connected with the swing driving assembly.

The swing driving assembly comprises a swing cylinder arranged on the left and right sides, and the movable end of the swing cylinder is connected with the corresponding opening claw.

The involution subassembly includes the pressboard, and the frame is provided with the hot-seal board in the department that corresponds with the pressboard, and pressboard and hot-seal board can cooperate and compress tightly the wrapping bag.

The mobile driving assembly comprises a second motor, the output end of the second motor is connected with a synchronizing wheel, a synchronous belt is wound on the synchronizing wheel, the synchronous belt is connected with a transmission arm, and the movable frame is installed on the transmission arm.

A safety sensor which is aligned with the sealing working area is arranged on the machine frame, and the safety sensor can control the start and stop of the second motor.

And a discharge conveyer belt is arranged below the movable frame.

Above-mentioned technical scheme's a wrapping bag involution mechanism, but through the layering that sets up involution subassembly and elastic activity on the adjustable shelf, make the opening claw strut the sack and accomplish the back of feeding, the opening claw is swung out in the wrapping bag, the adjustable shelf action can drive the layering earlier and compress tightly the design near the wrapping bag opening part, make the involution subassembly can carry out the involution of sack to the open end that is close to the wrapping bag more, the bag inner space of wrapping bag has effectively been increased, more materials can pack into, also make the sack department of wrapping bag more pleasing to the eye simultaneously.

Drawings

The utility model discloses there is following figure:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a view from the rear side of FIG. 1;

fig. 3 is a structural diagram of the movable frame of the present invention.

Detailed Description

As shown in the figure, the utility model discloses a wrapping bag involution mechanism has carry over pinch rolls 3 and the compression roller 2 that the cooperation set up, and carry over pinch rolls 3 and rotation drive assembly connect, and is concrete, and rotation drive assembly includes first motor 12, and first motor 12 with through synchronous belt drive group with carry over pinch rolls 3 be connected. Be provided with mobilizable open claw subassembly at the discharge end of carry over pinch rolls 3, it is concrete, open claw subassembly is including controlling open claw 4 that sets up, and open claw 4 is connected with swing drive assembly, and swing drive assembly is including controlling swing cylinder 13 that sets up, and swing cylinder 13's expansion end is connected with open claw 4 that corresponds. Be provided with adjustable shelf 8 in the below of open jaw subassembly, adjustable shelf 8 is connected with the removal drive assembly, remove the drive assembly and include second motor 11, the output and the synchronizing wheel of second motor 11 are connected, through around having hold-in range 6 on the synchronizing wheel, hold-in range 6 is connected with driving arm 7, adjustable shelf 8 is installed on driving arm 7, drives hold-in range 6 action through control second motor 11, can drive driving arm 7 and adjustable shelf 8 and carry out horizontal migration. Be provided with the involution subassembly on the adjustable shelf 8, in this embodiment, the involution subassembly includes pressboard 14, and frame 1 is provided with heat-seal board 5 in the department of corresponding with pressboard 14, and pressboard 14 and heat-seal board 5 can cooperate and compress tightly the wrapping bag, and then the heat-seal operation of sack, and of course, the involution subassembly also can adopt to set up ultrasonic bonding joint on frame or adjustable shelf, utilizes ultrasonic bonding joint to carry out the involution of sack. The movable frame 8 is provided with a pressing strip 15 below the sealing assembly, an elastic piece is arranged between the pressing strip 15 and the movable frame, and a backup plate 18 matched with the pressing strip 15 is arranged on the machine frame 1. In addition, be provided with the safety sensor 9 of aiming at the involution workspace in frame 1, opening of the steerable second motor 11 of safety sensor 9 stops, and when the workman stretched into the hand to the involution workspace and operated, safety sensor 9 can respond to and feedback information, guaranteed that the second motor shuts down, avoided the action of adjustable shelf 8 to cause the damage of artificial arm, guaranteed the security of equipment usage. A discharging conveyer belt 10 is arranged below the movable frame 8, so that the packaging bags which are subjected to heat sealing can be conveniently discharged.

The utility model discloses a theory of operation is: the traction roller 3 is matched with the compression roller 2 to pull and unreel the packaging bags to the opening claws 6, because the packaging bags are two-layer, the tops of the packaging bags are provided with openings, the connecting end of each packaging bag is provided with a tearing mark, the swinging cylinder 13 drives the opening claws 6 to swing, so that the openings of the packaging bags of the opening claws 6 are extended into the packaging bags and the two sides of the packaging bags are completely opened, materials are filled into the packaging bags at the moment, after the packaging bags are filled, the second motor is controlled to drive the movable frame 8 to move to be close to the packaging bags and control the opening claws 6 to swing out of the packaging bags, the movable frame 8 continues to move, the pressing strips 15 of the pressing strips are firstly matched with the backup plate to press the packaging bags close to the openings of the packaging bags, then the movable frame 8 continues to act to extrude the elastic part 16 and drive the pressing plate 14 to press the opening end of the packaging bag between the pressing plate 14 and the heat sealing plate 5 for heat sealing operation, the movable frame 8 still keeps static to press the packaging bag after heat sealing is completed, the first motor drives the traction roller 3 to rotate reversely at the moment to drive the packaging bag to be filled and sealed to move back, the sealed packaging bag and the subsequent packaging bag are separated along tearing marks, an independent packaging bag is formed, finally the movable frame 8 moves back to loosen the packaging bag, and the packaging bag falls on the discharging conveyor belt 10 under the action of gravity and is sent out backwards.

The utility model discloses a this kind of structure, opening claw struts the sack and accomplishes the back of feeding, and opening claw can be followed the wrapping bag earlier and put out, and the adjustable shelf action can drive the layering earlier and compress tightly the design near the wrapping bag opening part simultaneously for the involution subassembly can carry out the involution of sack to the open end that is close to the wrapping bag more, has effectively increased the interior space of wrapping bag, can pack into more materials, also makes the sack department of wrapping bag more pleasing to the eye simultaneously.

Claims

1. The utility model provides a wrapping bag involution mechanism, has carry over pinch rolls (3) and compression roller (2) that the cooperation set up, carry over pinch rolls (3) and rotation drive assembly connect the discharge end of carry over pinch rolls (3) is provided with mobilizable open jaw subassembly, its characterized in that: the below of opening claw subassembly is provided with adjustable shelf (8), the adjustable shelf is connected with the removal drive subassembly, be provided with the involution subassembly on adjustable shelf (8), adjustable shelf (8) are provided with layering (15) in the below of involution subassembly, be provided with the elastic component between layering (15) and the adjustable shelf, be provided with on frame (1) with layering (15) complex backup plate (18).

2. The package sealing mechanism as claimed in claim 1, wherein said rotary drive assembly comprises a first motor (12), said first motor (12) being drivingly connected to said pull roll (3).

3. The package sealing mechanism according to claim 1, wherein the open jaw assembly comprises open jaws (4) disposed on left and right sides, and the open jaws (4) are connected to the swing driving assembly.

4. The packaging bag sealing mechanism according to claim 3, wherein the swing driving assembly comprises a swing cylinder (13) arranged left and right, and the movable end of the swing cylinder (13) is connected with the corresponding opening claw (4).

5. The package sealing mechanism according to claim 1, wherein the sealing assembly comprises a pressing plate (14), the frame (1) is provided with a heat sealing plate (5) at a position corresponding to the pressing plate (14), and the pressing plate (14) and the heat sealing plate (5) can cooperate to press the package.

6. The packaging bag sealing mechanism according to claim 1, wherein the moving driving assembly comprises a second motor (11), an output end of the second motor (11) is connected with a synchronous wheel, a synchronous belt (6) is wound on the synchronous wheel, the synchronous belt (6) is connected with the driving arm (7), and the movable frame (8) is installed on the driving arm (7).

7. The package sealing mechanism according to claim 1, characterized in that a safety sensor (9) is arranged on the frame (1) and aligned with the sealing working area, and the safety sensor (9) can control the on-off of the second motor (11).

8. The package sealing mechanism according to claim 1, characterized in that a discharge conveyor (10) is provided below the movable frame (8).