CN211969846U

CN211969846U - Strapping machine for strapping plastic bags by using rubber bands

Info

Publication number: CN211969846U
Application number: CN201921954417.6U
Authority: CN
Inventors: 吴万富
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-11-20
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses an adopt rubber band to carry out strapper of tying up to the plastic bag has rubber band conveyor and rubber band and struts the device, rubber band conveyor vibration dish (1), its characterized in that rubber band conveyor still includes gripper jaw (6), gripper jaw (6) are connected with rotary driving subassembly and lift drive one side that the rubber band propped up the device is provided with wrapping bag propelling movement subassembly. The utility model discloses simple structure, reasonable in design can press from both sides the rubber band and send it to rubber band strutting arrangement department to strut by convenient and fast ground clamp, and then accomplishes tying up the operation of wrapping bag.

Description

Strapping machine for strapping plastic bags by using rubber bands

Technical Field

The utility model relates to a equipment for packing, concretely relates to adopt rubber band to carry out strapper of tying up to the plastic bag.

Background

The wrapping bag receives masses of users' liking because of its convenience of use, and at present, wrapping bag on the market need tie up the wrapping bag that piles up after production is accomplished to subsequent transportation and sale, and traditional wrapping bag bundling equipment does not generally be equipped with the manipulator mechanism of special clamp and get the rubber band, needs artifical supplementary participation at the during operation, leads to it to tie up efficiency lower, and the cost of labor is higher.

Chinese patent document (publication No. CN109911290A, published: 2019, 6.21) discloses a strapping machine for strapping plastic bags with rubber bands, which includes a frame, a vibrating disk device, and a plastic bag feeding mechanism, wherein the vibrating disk device is provided with a rubber band output rail, and is characterized in that: a material taking port is arranged at the tail end of the rubber band output track, a rubber band opening device is arranged at the position corresponding to the material taking port and comprises a support, a swinging support rod, a first support rod, a bottom side support rod and an opening cylinder are arranged on the support, the swinging support rod comprises a support rod and a swinging arm, the support rod is arranged at one end of the swinging arm, the swinging arm is rotatably arranged on the support, and the swinging arm is connected with the opening cylinder; the first-time support rod corresponds to the opening direction of the material taking port, and is directly connected to the expanding cylinder or is connected to the expanding cylinder through a swing arm; the bottom side support rod is arranged at the position of the support corresponding to the bottom of the material taking port.

The technical scheme has the following disadvantages: must set up the rubber band distraction device in the position department that corresponds with getting the material mouth, and guarantee that the position of each structure in the rubber band distraction device all corresponds with getting the material mouth, this just causes the rubber band distraction device to install in very limited space, and the relative comparison of structure of rubber band distraction device itself is more complicated, the degree of difficulty of its installation has greatly been increased, also be convenient for the later stage to overhaul it simultaneously, and in case the transportation orbit of rubber band takes place the skew, just need adjust the whole position of rubber band distraction device, the operation is very troublesome.

Disclosure of Invention

In view of the not enough of background art, the utility model aims to solve the technical problem that a be equipped with special manipulator is provided, can press from both sides the rubber band and send it to rubber band strutting arrangement department to strut by convenient and fast ground, and then accomplish the strapper that the adoption rubber band of tying up the operation of wrapping bag tied up and carried out tying up to the plastic bag.

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

adopt the rubber band to carry out the strapper that ties up to the plastic bag, have rubber band conveyor and rubber band and strut the device, rubber band conveyor vibration dish has, its characterized in that rubber band conveyor still includes the gripper jaw, the gripper jaw is connected with rotary drive subassembly and lift drive one side of rubber band struts the device is provided with wrapping bag propelling movement subassembly.

The rotary driving assembly comprises a first air cylinder, a piston rod of the first air cylinder is eccentrically hinged with the rotating disc, and the clamping claw is in transmission connection with the rotating disc.

The rotary driving assembly comprises a rotary motor, and an output shaft of the rotary motor is in transmission connection with the clamping jaws.

The lifting driving assembly comprises a second driving air cylinder, and a piston rod of the second driving air cylinder is connected with the clamping claw.

The rubber band opening device comprises a mounting plate, wherein a first swing arm, a second swing arm, a third swing arm and a fourth swing arm are hinged to the mounting plate respectively, rubber band opening needles are arranged on the swing arms respectively, and the first swing arm, the second swing arm, the third swing arm and the fourth swing arm are connected with corresponding power components respectively.

The power assembly comprises a third driving cylinder, a fourth driving cylinder, a fifth driving cylinder and a sixth driving cylinder which are arranged on the mounting plate, and the third driving cylinder, the fourth driving cylinder, the fifth driving cylinder and the sixth driving cylinder are respectively matched and connected with the first swing arm, the second swing arm, the third swing arm and the fourth swing arm.

The rubber band opening device comprises a mounting plate, a fifth swing arm and a sixth swing arm are hinged to the mounting plate respectively, the fifth swing arm and the sixth swing arm are connected with a seventh driving cylinder and an eighth driving cylinder respectively, rubber band opening needles are arranged on the fifth swing arm and the sixth swing arm, a fixed arm is further arranged on the mounting plate, and rubber band opening needles are also arranged on the fixed arm.

The rubber band opening device is provided with a push plate, the push plate is connected with the pushing driving assembly, and the push plate is aligned with the rubber band which is opened by the rubber band opening device.

The pushing driving assembly is a ninth driving cylinder, and a piston rod of the ninth driving cylinder is connected with the push plate.

Adopt above-mentioned technical scheme, the utility model discloses an advantage does: through setting up dedicated rubber band conveying mechanism, can conveniently press from both sides the rubber band on the vibration dish and get the strutting to rubber band strutting arrangement department realization rubber band, so that accomplish the operation of tying up of wrapping bag, and whole journey realization is automatic, the bundling efficiency of wrapping bag has effectively been promoted, and the cost of labor has been reduced, and the structure of holding the manipulator is fairly simple, the maintenance of production equipment and later stage is changed all fairly simplely, the installation space of rubber band strutting arrangement has been liberated simultaneously, the installation of rubber band strutting arrangement can be convenient for, and according to the position of rubber band strutting arrangement, adjust rubber band conveying mechanism's transport route, can conveniently realize the accurate of rubber band and carry.

Drawings

The utility model discloses there is following figure:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a view of the rubber band spreader of the present invention after spreading the rubber band;

FIG. 3 is a view from another perspective;

FIG. 4 is a view of a rubber band spreader with another structure of the present invention;

FIG. 5 is a view of the rubber band spreading device of FIG. 4 after spreading the rubber band;

fig. 6 is a view from another perspective of fig. 4.

Detailed Description

As shown in the figure, the utility model discloses an adopt rubber band to carry out strapper of tying up to the plastic bag has rubber band conveyor and rubber band distraction device, and rubber band conveyor has the vibration dish, and vibration dish 1 is used for placing rubber band 11 to send rubber band 11 to press from both sides and get the position, and this belongs to prior art, and the event is no longer repeated, and rubber band conveyor still includes gripper jaw 6, and in this embodiment, gripper jaw 6 is the pneumatic type structure, and the structure is bored to the centre gripping that of certainly also can adopt the electrodynamic type, and this all belongs to prior art, and the event is no longer repeated. Gripper jaw 6 is connected with rotation driving component and lift drive, is provided with wrapping bag propelling movement subassembly in one side of rubber band strutting arrangement, and wherein wrapping bag propelling movement subassembly is common push rod mechanism, belongs to prior art, and the event is no longer repeated. In this embodiment, the rotary driving assembly includes first cylinder 2, and the piston rod of first cylinder 2 is articulated with rolling disc 4 eccentrically, and gripper jaw 6 is connected with the transmission of rolling disc 4, through controlling the first action that drives actuating cylinder 2, can drive rolling disc 4 and rotate, and then makes gripper jaw 6 rotate, and of course, except above-mentioned structure, rolling disc 4 also can realize its rotation through being connected with motor, revolving cylinder etc. and realize. In this embodiment, the lifting driving assembly comprises a second driving cylinder 3, a piston rod of the second driving cylinder 3 is connected with the clamping claw 6 through a lifting member 5, and a cylinder body of the second driving cylinder 3 is arranged on the rotating disc 4. The second driving cylinder 3 is controlled to move to drive the lifting piece 5 to lift, so that the clamping jaw 6 can lift, and the lifting piece 5 can be connected with common mechanisms such as a ball screw and a linear motor to lift in addition to the structure. The rubber band strutting device comprises a mounting plate 7, wherein a first swing arm 9, a second swing arm 12, a third swing arm 14 and a fourth swing arm 15 are respectively hinged on the mounting plate 7, rubber band strutting needles 10 are respectively arranged on the swing arms, and the first swing arm, the second swing arm, the third swing arm and the fourth swing arm are respectively connected with corresponding power components. The power assembly comprises a third driving air cylinder 8, a fourth driving air cylinder 13, a fifth driving air cylinder 18 and a sixth driving air cylinder 19 which are arranged on the mounting plate 7, and the third driving air cylinder, the fourth driving air cylinder, the fifth driving air cylinder and the sixth driving air cylinder are respectively connected with the first swing arm, the second swing arm, the third swing arm and the fourth swing arm in a matched mode. When waiting for the state of strutting, first, second, third and fourth pendulum rod swing to suitable angle for rubber band opening needle 10 on it is close to each other, carries rubber band 11 to rubber band distraction device department when rubber band conveying mechanism, makes rubber band 11 can fall and put on rubber band opening needle 10, and all rubber band opening needles 10 all are located the inside of rubber band 11, and later control swing arm swing, and then strut rubber band 11. In addition, the rubber band expanding device can also adopt another structure, for example, the rubber band expanding device comprises a mounting plate 7, a fifth swing arm 21 and a sixth swing arm 22 are respectively hinged on the mounting plate, the fifth swing arm and the sixth swing arm are respectively connected with a seventh driving air cylinder 24 and an eighth driving air cylinder 25, rubber band expanding needles 10 are arranged on the fifth swing arm and the sixth swing arm, a fixing arm 23 is also arranged on the mounting plate 7, and the rubber band expanding needles 10 are also arranged on the fixing arm 23. When the rubber band is sent to the fifth and sixth swing arms and the fixed arm 23, the rubber band spreading needle is arranged on the rubber band spreading needle, and the spreading operation of the rubber band 11 can be realized by controlling the fifth and sixth swing arms to swing. A push plate 16 is arranged near the rubber band opening device, the push plate 16 is connected with the pushing driving assembly, and the push plate 16 is aligned with the rubber band 11 which is opened by the rubber band opening device. The pushing driving component is a ninth driving cylinder 17, and a piston rod of the ninth driving cylinder 17 is connected with the push plate 16. The push plate 16 is arranged to push the rubber band 11, so that the rubber band 11 can be separated from the rubber band opening needle 10 in time after the packaging bag 20 is tied up.

The utility model discloses a theory of operation is: the rubber band 11 is conveyed to the clamping station under the action of the vibrating disk 1, the first driving cylinder 2 drives the rotating disk 4 to rotate, the clamping claw 6 is driven to rotate to the position above the clamping station, then the second driving cylinder 3 acts to drive the clamping claw 6 to descend and clamp the rubber band 11, then the second driving cylinder 3 drives the clamping claw 6 to ascend, the second driving cylinder 2 drives the rotating disk 4 to rotate reversely, at the moment, the first, second, third and fourth swing arms swing to proper angles to enable the rubber band spreading needles 10 on the first, second, third and fourth swing arms to approach each other, when the clamping claw 6 rotates to the position of the rubber band spreading needles 10, the rubber band 11 is loosened to enable the rubber band 11 to fall on the rubber band spreading needles 10, all the rubber band spreading needles 10 are located inside the rubber band 11, then the corresponding driving cylinders drive the swing arms to swing, the rubber band spreading needles 11 are far away from each other and spread the rubber band 11, after the rubber band 11 is completely stretched, the folded packaging bags 20 are stacked and pushed to the stretched rubber band under the driving of the packaging bag pushing assembly, the packaging bags are bound, the rubber band bound on the packaging bags can move together with the packaging bags and is separated from the rubber band stretching needle 10 along with the movement of the packaging bags, the rubber band 11 is pushed through the push plate 16, and the rubber band 11 can be further guaranteed to be separated from the rubber band stretching needle 10 in time.

The utility model discloses a structure, through setting up dedicated rubber band conveying mechanism, can conveniently press from both sides the rubber band on the vibration dish and get the strutting that realizes the rubber band to rubber band strutting arrangement department, so that accomplish the operation of tying up of wrapping bag, and whole journey realization is automatic, the efficiency of tying up of wrapping bag has effectively been promoted, and the cost of labor has been reduced, and the structure of holding manipulator is fairly simple, the maintenance of production equipment and later stage is changed fairly simplely, and the installation space of rubber band strutting arrangement has been liberated, the installation of rubber band strutting arrangement can be convenient for, and according to the position of rubber band strutting arrangement, adjust rubber band conveying mechanism's transport route, can conveniently realize the accurate of rubber band and carry.

Claims

1. Adopt the rubber band to carry out strapper of tying up to the plastic bag, have rubber band conveyor and rubber band and strut the device, rubber band conveyor vibration dish (1) have, its characterized in that rubber band conveyor still includes gripper jaw (6), gripper jaw (6) are connected with rotation driving subassembly and lift drive one side that the rubber band struts the device is provided with wrapping bag propelling movement subassembly.

2. The strapping machine for strapping plastic bags with a rubber band according to claim 1, characterized in that the rotary drive assembly comprises a first cylinder (2), a piston rod of the first cylinder (2) is eccentrically hinged with the rotating disc (4), and the clamping claw (6) is in transmission connection with the rotating disc (4).

3. The strapping machine for strapping plastic bags with a rubber band according to claim 1, characterized in that the rotary drive assembly comprises a rotary motor, the output shaft of which is drivingly connected to the gripper jaw (6).

4. The strapping machine for strapping plastic bags with a rubber band according to claim 1, characterized in that the lifting drive assembly comprises a second drive cylinder (3), the piston rod of which second drive cylinder (3) is connected to the gripper jaw (6).

5. The strapping machine for strapping plastic bags with a strap according to claim 1, wherein the strap spreader comprises a mounting plate (7), a first swing arm (9), a second swing arm (12), a third swing arm (14) and a fourth swing arm (15) are respectively hinged on the mounting plate (7), a strap spreading pin (10) is arranged on each swing arm, and the first, second, third and fourth swing arms are respectively connected with corresponding power assemblies.

6. A strapping machine for plastic bags with a rubber band according to claim 5, characterized in that the power unit comprises a third drive cylinder (8), a fourth drive cylinder (13), a fifth drive cylinder (18) and a sixth drive cylinder (19) arranged on the mounting plate (7), the third, fourth, fifth and sixth drive cylinders being cooperatively connected with the first, second, third and fourth oscillating arms, respectively.

7. The strapping machine for strapping plastic bags with a rubber band according to claim 1, wherein the rubber band spreading device comprises a mounting plate (7), a fifth swing arm (21) and a sixth swing arm (22) are respectively hinged on the mounting plate, the fifth swing arm and the sixth swing arm are respectively connected with a seventh driving cylinder (24) and an eighth driving cylinder (25), rubber band spreading needles (10) are arranged on the fifth swing arm and the sixth swing arm, a fixing arm (23) is further arranged on the mounting plate (7), and the rubber band spreading needles (10) are also arranged on the fixing arm (23).

8. The strapping machine for strapping plastic bags with a band according to claim 1, characterized in that a push plate (16) is provided adjacent to the band spreading device, the push plate (16) being connected to a push drive assembly, the push plate (16) being aligned with the band (11) spread by the band spreading device.

9. The strapping machine for strapping plastic bags with a rubber band according to claim 8, wherein the push driving assembly is a ninth driving cylinder (17), and a piston rod of the ninth driving cylinder (17) is connected to the push plate (16).