阅读说明：本技术 一种袋长调节机构 (Bag length adjusting mechanism ) 是由 唐勰 于 2020-07-17 设计创作，主要内容包括：本发明公开了一种袋长调节机构,包括：安装在移动支架上的第一大滚筒、分别安装在固定支架上的第二大滚筒和小滚筒,电机通过带座轴承带动螺杆转动,滑块设置在导杆上可延导杆轴向滑动,导杆与螺杆平行设置并且固定连接在固定支架上。通过上述方式,本发明袋长调节机构,通过电机带动大滚筒运动调节大滚筒与小滚筒之间的距离,进而调节包装袋的长度,实现一定范围质量物料的包装,避免浪费,具有可靠性能高、结构合理、使用方便、节约环保等优点。(The invention discloses a bag length adjusting mechanism, comprising: the first big roller is arranged on the movable support, and the second big roller and the small roller are respectively arranged on the fixed support. Through the mode, the bag length adjusting mechanism provided by the invention has the advantages that the motor drives the large roller to move to adjust the distance between the large roller and the small roller, so that the length of the packaging bag is adjusted, the packaging of materials with a certain range of quality is realized, the waste is avoided, and the bag length adjusting mechanism has the advantages of high reliability, reasonable structure, convenience in use, saving, environmental friendliness and the like.)

1. A bag length adjusting mechanism, comprising: the first big roller, the second big roller and the small roller are arranged on the movable support, the second big roller and the small roller are arranged on the fixed support respectively, the movable support is connected with the nut and the sliding block respectively, the nut is sleeved on the screw rod perpendicular to the movable support, the motor drives the screw rod to rotate through the bearing with the seat, the sliding block is arranged on the guide rod and can extend to axially slide, and the guide rod and the screw rod are arranged in parallel and are fixedly connected on the fixed support.

2. The bag length adjusting mechanism according to claim 1, wherein the guide rod is fixedly connected to the fixing bracket through a guide rod seat.

3. The bag length adjusting mechanism according to claim 2, wherein guide rod seats are respectively provided at both ends of the guide rod, and the guide rod seats are fixedly connected with the fixing bracket.

4. The bag length adjusting mechanism according to claim 1, wherein the guide rods are respectively provided on both sides of the screw rod.

5. The bag length adjusting mechanism according to claim 4, wherein the number of the guide rods is 2.

6. The bag length adjusting mechanism according to claim 1, wherein the motor and the seated bearing are respectively mounted on a fixed bracket.

7. The bag length adjusting mechanism according to claim 1, wherein the screw is connected to a fixing bracket.

8. The bag length adjustment mechanism according to claim 1, wherein said motor is an ac motor.

9. The bag length adjusting mechanism according to claim 1, wherein both ends of the first large roller are detachably coupled to the moving bracket, and both ends of the second large roller are detachably coupled to the fixing bracket.

10. The bag length adjusting mechanism according to claim 1, wherein both ends of the small roller are detachably connected to the fixing bracket.

Technical Field

The invention relates to the field of machinery, in particular to a bag length adjusting mechanism.

Background

The packaging material of the existing big-bag full-automatic packaging machine is mainly a woven bag, a kraft paper bag and the like, the big-bag full-automatic packaging machine can only be suitable for fixed bag lengths, and when the quality of packaged materials needs to be changed, the big-bag full-automatic packaging machine can not meet the requirements.

Disclosure of Invention

The invention mainly solves the technical problem of providing a bag length adjusting mechanism.

In order to solve the technical problems, the invention adopts a technical scheme that:

provided is a bag length adjusting mechanism including: the first big roller, the second big roller and the small roller are arranged on the movable support, the second big roller and the small roller are arranged on the fixed support respectively, the movable support is connected with the nut and the sliding block respectively, the nut is sleeved on the screw rod perpendicular to the movable support, the motor drives the screw rod to rotate through the bearing with the seat, the sliding block is arranged on the guide rod and can extend to axially slide, and the guide rod and the screw rod are arranged in parallel and are fixedly connected on the fixed support.

In a preferred embodiment of the present invention, the guide rod is fixedly connected with the fixing bracket through the guide rod seat.

In a preferred embodiment of the present invention, two ends of the guide rod are respectively provided with a guide rod seat, and the guide rod seat is fixedly connected with the fixing bracket.

In a preferred embodiment of the present invention, the guide rods are respectively disposed at both sides of the screw rod.

In a preferred embodiment of the invention, the number of the guide rods is 2.

In a preferred embodiment of the present invention, the motor and the mounted bearing are respectively mounted on a fixed bracket.

In a preferred embodiment of the present invention, the screw is connected to the fixing bracket.

In a preferred embodiment of the invention, the motor is an ac motor.

In a preferred embodiment of the present invention, both ends of the first large roller are detachably connected to the movable bracket, and both ends of the second large roller are detachably connected to the fixed bracket.

In a preferred embodiment of the present invention, both ends of the small roller are detachably connected to the fixing bracket.

The invention has the beneficial effects that: the motor drives the big roller to move to adjust the distance between the big roller and the small roller, so as to adjust the length of the packaging bag, realize the packaging of materials with a certain range of quality, avoid waste, and have the advantages of high reliability, reasonable structure, convenient use, environmental protection and the like.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic structural view of a preferred embodiment of the bag length adjustment mechanism of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention includes:

a bag length adjusting mechanism comprising: a first big roller 1, a second big roller 2 and a small roller 3, wherein the first big roller 1 is arranged on a movable bracket 4, the second big roller 2 and the small roller 3 are respectively arranged on a fixed bracket 5, the first big roller 1, the second big roller 2 and the small roller 3 are parallel to each other, the movable bracket 4 is respectively connected with a nut 6 and a slide block 7, the nut 6 is sleeved on a screw rod 8 which is vertically arranged with the movable bracket 4, one end of the screw rod 8 is connected with a shaft of a bearing 9 with a seat, a motor 10 is connected with the shaft of the bearing 9 with the seat, the motor 10 drives the screw rod 8 to rotate through the bearing 9 with the seat, so that the nut 6 moves along the axial direction of the screw rod 8, the slide block 7 is arranged on a guide rod 11 and can slide along the axial direction of the guide rod 11, the guide rod 11 is arranged in parallel with the screw rod 8 and is fixedly connected on the fixed bracket 5, two sides of the screw, the guide rod seat 12 is fixedly connected with the fixed bracket 5.

Preferably, the motor 10 and the seated bearing 9 are respectively mounted on the fixed bracket 5.

Preferably, the screw 8 is connected with the fixed bracket 5.

The big cylinder 2 of second fixed on fixed bolster 5 is walked around through the forward to the piece membrane of tube-shape, the first big cylinder 1 of fixing on moving movable support 4 is walked around to the forward again, backward walk around little cylinder 3 again, motor 10 drives screw rod 8 rotatory, make nut 6 along screw rod 8 axial displacement, consequently, the moving movable support 4 of installing on nut 6 and slider 7 is along screw rod 8 axial displacement, first big cylinder 1 of installing on moving movable support 4 is followed and is moved movable support 4 motion, make the length of the piece membrane of the tube-shape between big cylinder 2 of second fixed on fixed bolster 5 and the little cylinder 3 change, realize adjusting into the length of finally making the sack, satisfy the demand of the material of different masses.

The bag length adjusting mechanism has the advantages that: the motor drives the big roller to move to adjust the distance between the big roller and the small roller, so as to adjust the length of the packaging bag, realize the packaging of materials with a certain range of quality, avoid waste, and have the advantages of high reliability, reasonable structure, convenient use, environmental protection and the like.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.