CN210455479U

CN210455479U - Single-drive bidirectional linkage mechanism for packaging machine

Info

Publication number: CN210455479U
Application number: CN201921074822.9U
Authority: CN
Inventors: 王宇鹏
Original assignee: Beijing Hengan Zhongsheng Technology Co ltd
Current assignee: Beijing Hengan Zhongsheng Technology Co ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-05-05
Anticipated expiration: 2029-07-10

Abstract

The utility model relates to a singly drive two-way link gear for packagine machine. The mechanism comprises a power gear and driving blocks respectively arranged at the upper side and the lower side of the power gear; the driving block is provided with a rack, and the rack on the driving block is meshed with the power gear; two guide shafts are horizontally arranged on one side surface of the driving block; a two-way link gear of single drive for packagine machine cooperatees with the seal subassembly, realizes breaking away from big coil membrane back at the wrapping bag, is in the seal of the upright form of opening that makes progress.

Description

Single-drive bidirectional linkage mechanism for packaging machine

Technical Field

The utility model relates to a two-way link gear is driven to list for packagine machine belongs to packagine machine's technical field.

Background

The packaging machine structure in the prior (traditional) technology is that after three surfaces are sealed before a packaging bag is separated from a large coiled film, the packaging bag is charged through a hollow former, and then the packaging bag is directly formed after top sealing and cutting are carried out simultaneously. The traditional packaging machine structure directly forms a bag after the top sealing is directly carried out on the large coil film, and the mode can not meet the requirement that the packaging bag is charged after being separated from the large coil film and then the action requirement of the top opening part sealing is carried out.

In addition, among the prior art, to open-top wrapping bag, the drive division that realizes the action of sealing is upper and lower unipolar structure, and certain angle's rotation can appear in the unipolar in transmission process, appears sealing skew when causing the envelope, can't normally accomplish even and seal.

The bag arranging structure and the heat sealing structure are important components of the bag sealing structure of the packaging bag and belong to common structures in the field of packaging machines, for example, the chinese patent authorization publication No. 207292544U discloses a heat sealing assembly with a bag arranging function, wherein the heat sealing assembly comprises a bag arranging piece and a specific structure of the heat sealing assembly.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above-mentioned prior art problems, the utility model provides a single-drive bidirectional linkage mechanism for a packing machine, which aims at the defects of the prior art; can cooperate with the seal assembly, realize after the wrapping bag breaks away from big dish and rolls up the membrane, be in the seal of the upright form of opening that makes progress, and more stable, reliable.

The technical scheme of the utility model is that:

a single-drive bidirectional linkage mechanism for a packaging machine comprises a power gear and drive blocks respectively arranged at the upper side and the lower side of the power gear; the driving block is provided with a rack, and the rack on the driving block is meshed with the power gear; two parallel guide shafts are horizontally arranged on the driving blocks on the upper side and the lower side; the single-drive bidirectional linkage mechanism for the packaging machine further comprises a sealing component; the sealing assembly comprises a left mounting plate and a right mounting plate; the left mounting plate is provided with a heat sealing block and a bag arranging block from top to bottom; the right mounting plate and the left mounting plate have the same structure; two guide shafts on the upper side of the power gear are connected with the right mounting plate; and the two guide shafts on the lower side of the power gear are connected with the left mounting plate.

Preferably, the single-drive bidirectional linkage mechanism further comprises a linear bearing box; four linear bearings are arranged in the linear bearing box and are respectively connected with the four guide shafts in a matched mode. The linear bearing is a cylinder with a through hole and can be matched with the guide shaft, so that the guide shaft can do linear reciprocating motion in the linear bearing, and the resistance is reduced.

Further preferably, the driving block is provided with a blind hole for mounting a guide shaft; the guide shaft is embedded in the blind hole; the linear bearing box is of a rectangular structure, and the four linear bearings are arranged at four end points of the rectangular structure.

The working method of the single-drive bidirectional linkage mechanism is as follows:

the driving component outputs rotary motion, the rotary motion is transmitted to the two racks and moves back to back or opposite to each other according to the steering of the power gear through the engagement with the power gear, the driving block drives the guide shafts fixed with the driving block to move in the same way, and the two parts of the sealing component are respectively arranged on the four guide shafts, so that the sealing component can complete the heat sealing of the sealing component and the separation and the compaction of a bag arranging structure by means of the back to back and opposite movement of the guide shafts, and the sealing action is realized.

The utility model has the advantages that:

1. the single-drive bidirectional linkage mechanism for the packaging machine is matched with the sealing component, so that the packaging bag is sealed in an upward opening vertical shape after being separated from a large coiled film;

2. a two-way link gear of single drive for packagine machine has avoided single guiding axle rotatory through respectively fixing two guiding axles on the drive block, guarantees more stable, reliable action of sealing. Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a front view of the single-drive bidirectional linkage mechanism for the packing machine of the present invention matching with the sealing assembly;

fig. 2 is a top view of the single-drive bidirectional linkage mechanism for the packing machine of the present invention matching with the sealing assembly;

FIG. 3 is a schematic structural diagram of a driving block;

FIG. 4 is a schematic structural view of a linear bearing housing;

FIG. 5 is a schematic view of the closure assembly in a separated state;

the sealing device comprises a driving assembly 1, a driving assembly 2, a power gear 3, a rack 4, a driving block 5, a linear bearing box 6, a guide shaft 7, a sealing assembly 8, a linear bearing 9, a left mounting plate 10 and a right mounting plate.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, embodiments according to the present invention will be described below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Some embodiments of the present invention, as shown in fig. 1-5: the single-drive bidirectional linkage mechanism for the packaging machine comprises a power gear 2 and drive blocks 4 respectively arranged at the upper side and the lower side of the power gear 2; the driving block 4 is provided with a rack 3, and the rack 3 on the driving block 4 is meshed with the power gear 2; two guide shafts 6 are horizontally arranged on one side surface of the driving block 4. The single-drive bidirectional linkage mechanism for the packaging machine further comprises a sealing component 7; the sealing component 7 comprises a left mounting plate 9 and a right mounting plate 10; the left mounting plate 9 is provided with a heat sealing block and a bag arranging block (not shown in the figure) from top to bottom; the right mounting plate 10 and the left mounting plate 9 have the same structure; the two guide shafts 6 on the upper side of the power gear 2 are connected with the right mounting plate 10; two guide shafts 6 at the lower side of the power gear 2 are connected with the left mounting plate 9.

The single-drive bidirectional linkage mechanism also comprises a linear bearing box; four linear bearings 8 are arranged in the linear bearing box, and the four linear bearings 8 are respectively connected with the four guide shafts 6 in a matching manner. The linear bearing 8 is a cylinder with a through hole and can be matched with the guide shaft 6, so that the guide shaft can do linear reciprocating motion in the cylinder, and the resistance is reduced.

The driving block 4 is provided with a blind hole for installing a guide shaft 6; the guide shaft 6 is embedded in the blind hole; the linear bearing box is of a rectangular structure, and four linear bearings 8 are arranged at four end points of the rectangular structure.

The power gear is powered by the driving assembly 1; the driving assembly 1 is composed of a gear set driven by a motor.

The working method of the single-drive bidirectional linkage mechanism in the embodiment is as follows:

the driving component 1 outputs rotary motion, the rotary motion is transmitted to the two racks 3 and moves back to back or opposite to each other according to the steering direction of the power gear 2 through meshing with the power gear 2, the driving block 4 drives the guide shafts 6 fixed with the driving block to move in the same way, and as the two parts of the sealing component 7 are respectively arranged on the four guide shafts 6, the sealing component 7 can complete the separation and the compaction of the heat sealing block and the bag arranging block of the sealing component 7 by means of the back to back and opposite movement of the guide shafts 6, so that the sealing action is realized.

In the description of the present invention, it should be understood that the terms "upper side", "lower side" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., the connection may be a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, the description of the terms "one embodiment," "some embodiments," "other embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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 single-drive bidirectional linkage mechanism for a packaging machine is characterized by comprising a power gear and drive blocks respectively arranged at the upper side and the lower side of the power gear; the driving block is provided with a rack, and the rack on the driving block is meshed with the power gear; two parallel guide shafts are horizontally arranged on the driving blocks on the upper side and the lower side; the single-drive bidirectional linkage mechanism for the packaging machine further comprises a sealing component; the sealing assembly comprises a left mounting plate and a right mounting plate; the left mounting plate is provided with a heat sealing block and a bag arranging block from top to bottom; the right mounting plate and the left mounting plate have the same structure; two guide shafts on the upper side of the power gear are connected with the right mounting plate; and the two guide shafts on the lower side of the power gear are connected with the left mounting plate.

2. The single drive bidirectional linkage for a packaging machine of claim 1 further comprising a linear bearing housing; four linear bearings are arranged in the linear bearing box and are respectively connected with the four guide shafts in a matched mode.

3. The single-drive bidirectional linkage mechanism for the packaging machine as recited in claim 2, wherein the driving block is provided with a blind hole for mounting a guide shaft; the guide shaft is embedded in the blind hole; the linear bearing box is of a rectangular structure, and the four linear bearings are arranged at four end points of the rectangular structure.