Net pulling mechanism for net cover packaging machine

Abstract

The utility model relates to a net pulling mechanism for a net cover packaging machine, which is characterized in that the net pulling mechanism comprises a mounting plate and a net pulling mechanism body arranged on the mounting plate, the net pulling mechanism body comprises a guide rod and a plurality of groups of net pulling rollers with adjustable intervals, the guide rod is arranged on the mounting plate through a bearing seat, and the guide rod is arranged on the mounting plate. A guide cylinder is arranged on the inner side of each set of net pulling idler wheels, each set of net pulling idler wheels are movably arranged on the guide rod through two sets of sliding bases, and screw rods for adjusting the distance between the sliding bases of the multiple sets of net pulling idler wheels are connected between the sliding bases of the multiple sets of net pulling idler wheels. And the rear ends of the rotating shafts of the plurality of groups of net pulling rollers are in transmission connection with a driving motor through a synchronous wheel and a synchronous belt. According to the utility model, a group of motors drive a plurality of groups of net pulling rollers to pull a net, and a group of adjusting mechanisms are used for adjusting the tightness of the plurality of groups of net pulling rollers, so that the equipment cost is reduced, the linkage is high, and unified end sealing and cutting are facilitated.

Description

Technical Field

[0001] The utility model relates to a net pulling mechanism for a net sleeve packaging machine, belonging to the technical field of packaging machines. Background Art

[0002] In order to prevent fruits and vegetables from being squeezed and broken during transportation, resulting in rotting, the current practice is to put a net sleeve outside the fruits and vegetables. The net sleeve is a foamed product, which has a unique expandable mesh structure and elastic characteristics. The surface is soft and can effectively prevent damage caused by friction of items. Therefore, it is also often used for the outer packaging of other items, such as wine bottles, beverage bottles, etc. In order to improve the packaging efficiency, existing net sleeve packaging machines generally have multiple packaging channels, but the net pulling mechanism of each packaging channel is driven by an independent motor, which not only has a high equipment cost, but also has poor linkage and is not convenient for unified end sealing and cutting.

[0003] Therefore, how to provide a net pulling mechanism for a net sleeve packaging machine with linkage is the research purpose of the utility model. Content of the Utility Model

[0004] In view of the above deficiencies in the technology, the utility model provides a net pulling mechanism for a net sleeve packaging machine, which drives a plurality of groups of net pulling rollers to pull the net by a group of motors, and adjusts the tightness of the plurality of groups of net pulling rollers by a group of adjusting mechanisms, not only reducing the equipment cost, but also having high linkage and being convenient for unified end sealing and cutting.

[0005] In order to solve the problems of the existing technology, the technical solution adopted by the utility model is:

[0006] A net pulling mechanism for a net sleeve packaging machine, characterized in that: it includes a mounting plate and a net pulling mechanism body arranged on the mounting plate. The net pulling mechanism body includes a guide rod and a plurality of groups of net pulling rollers with adjustable spacing. The guide rod is arranged on the mounting plate through a bearing seat. A guide cylinder is arranged inside each group of net pulling rollers. Each group of net pulling rollers is movably arranged on the guide rod through two sliding seats. A screw rod for adjusting the spacing between the sliding seats of the plurality of groups of net pulling rollers is connected between the sliding seats. The rear ends of the rotating shafts of the plurality of groups of net pulling rollers are connected with a driving motor through a synchronous pulley and a synchronous belt.

[0007] Further, a tension adjusting pressure wheel is arranged at one end of the synchronous belt close to the driving motor.

[0008] Further, the screw rod is rotatably arranged on the bearing seat through a bearing, and an adjusting hand wheel is arranged at one end thereof.

[0009] Furthermore, the screw is divided into several sections of forward and reverse threaded screws through a coupling, each section of the forward and reverse threaded screw corresponds to a group of the net-pulling rollers, each section of the forward and reverse threaded screw is divided into a forward section and a reverse section, and the two groups of sliding seats in each group of the net-pulling rollers are respectively connected to the forward section and the reverse section of each section of the forward and reverse threaded screw through sleeves.

[0010] Furthermore, the sliding seat is movably arranged on the guide rod through a linear bearing.

[0011] The beneficial effects of the utility model are as follows: a group of motors drives several groups of net-pulling rollers to pull the net, and a group of adjustment mechanisms adjusts the tightness of the several groups of net-pulling rollers, which not only reduces equipment costs but also has high linkage and is convenient for unified end sealing and cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural diagram of the present utility model.

[0013] Figure 2 It is a structural diagram of the net-pulling mechanism body of the utility model.

[0014] Figure 3 It is a rear view of the net-pulling mechanism body of the utility model.

[0015] Figure 4 It is a partial structural diagram of the net-pulling mechanism body of the utility model.

[0016] Figure 5 It is a structural schematic diagram of the screw of the utility model.

[0017] Among them: mounting plate 1, guide rod 2, net pulling roller 3, bearing seat 4, guide cylinder 5, sliding seat 6, screw 7, synchronous belt 8, drive motor 9, tension adjustment pressure wheel 10, adjustment hand wheel 11, positive and negative thread screw 7a. DETAILED DESCRIPTION

[0018] In order to make those skilled in the art better understand the technical solution of the present invention, Figures 1-5 Further analysis of this utility model is made.

[0019] like Figures 1-5As shown in the figure, a net pulling mechanism for a net sleeve packaging machine is characterized in that: it includes a mounting plate 1 and a net pulling mechanism body provided on the mounting plate 1. The net pulling mechanism body includes a guide rod 2 and several groups of net pulling rollers 3 with adjustable spacing. The guide rod 2 is provided on the mounting plate 1 through a bearing seat 4. An inner guide cylinder 5 is provided on the inner side of each group of net pulling rollers 3. Each group of net pulling rollers 3 is movably provided on the guide rod 2 through two sliding seats 6. A screw rod 7 for adjusting the spacing between them is connected between the sliding seats 6 of several groups of net pulling rollers 3. The rear ends of the rotating shafts of several groups of net pulling rollers 3 are drivenly connected with a driving motor 9 through a synchronous pulley and a synchronous belt 8, and all the net pulling rollers 3 are driven to rotate by the driving motor 9 through the synchronous pulley and the synchronous belt.

[0020] In this embodiment, preferably, one end of the synchronous belt 8 close to the driving motor 9 is provided with a tension adjusting pressure wheel 10 for adjusting the tension of the synchronous belt 8.

[0021] In this embodiment, preferably, the screw rod 7 is rotatably provided on the bearing seat 4 through a bearing, and an adjusting handwheel 11 is provided at one end thereof. Rotating the adjusting handwheel 11 can adjust the spacing between the net pulling roller 3 and the guide cylinder.

[0022] In this embodiment, preferably, the screw rod 7 is divided into several sections of positive and negative thread screw rods 7a through a coupling. Each section of the positive and negative thread screw rod 7a corresponds to a group of net pulling rollers 3. Each section of the positive and negative thread screw rod 7a is divided into a positive thread section and a negative thread section. The two sliding seats 6 of each group of net pulling rollers 3 are respectively connected to the positive thread section and the negative thread section of each section of the positive and negative thread screw rod 7a through tooth sleeves. In this way, when the screw rod 7 rotates, the two sliding seats 6 of each group of net pulling rollers 3 will move relatively, moving away from or approaching the guide cylinder 5.

[0023] In this embodiment, preferably, the sliding seat 6 is movably provided on the guide rod 2 through a linear bearing.

[0024] When the utility model is in use: rotate the adjusting handwheel 11 to make each group of net pulling rollers 3 fit with the outer wall of the corresponding guide cylinder 5 for net covering, and then drive all the net pulling rollers 3 to rotate by the driving motor 9 through the synchronous pulley and the synchronous belt to pull the net covering down for conveying.

[0025] The technical solutions provided in this application have been introduced in detail above. In this article, embodiments are used to elaborate on the principles and implementation manners of this application. The descriptions of the above embodiments are only used to help understand the method and its core idea of this application; at the same time, for those of ordinary skill in the art, according to the idea of this application, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to this application.

Claims

1. A net pulling mechanism for a net sleeve packaging machine, characterized in that: It includes an installation plate and a wire drawing mechanism body arranged on the installation plate. The wire drawing mechanism body includes a guide rod and several groups of wire drawing rollers with adjustable spacing. The guide rod is arranged on the installation plate through a bearing seat. A guide cylinder is arranged inside each group of wire drawing rollers. Each group of wire drawing rollers is movably arranged on the guide rod through two sliding seats. A screw rod for adjusting the spacing between the sliding seats of several groups of wire drawing rollers is connected between them. The rear ends of the rotating shafts of several groups of wire drawing rollers are connected with a driving motor through a synchronous pulley and a synchronous belt.

2. The net pulling mechanism for a net sleeve packaging machine according to claim 1, characterized in that: One end of the synchronous belt close to the driving motor is provided with a tension adjusting pressure wheel.

3. The net pulling mechanism for a net sleeve packaging machine according to claim 1, characterized in that: The screw rod is rotatably arranged on the bearing seat through a bearing, and an adjusting handwheel is arranged at one end of it.

4. The draw net mechanism for a net sleeve packaging machine according to claim 1, characterized in that: The screw rod is divided into several sections of left - hand and right - hand threads through a coupling. Each section of the left - hand and right - hand thread screw corresponds to a group of wire drawing rollers. Each section of the left - hand and right - hand thread screw is divided into a right - hand thread section and a left - hand thread section. The two sliding seats of each group of wire drawing rollers are respectively connected with the right - hand thread section and the left - hand thread section of each section of the left - hand and right - hand thread screw through a tooth sleeve.

5. The net pulling mechanism for a net sleeve packaging machine according to claim 1, characterized in that: The sliding seat is movably arranged on the guide rod through a linear bearing.

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