Opening expanding device for woven bag

Abstract

The utility model relates to the technical field of opening expanding devices, and discloses an opening expanding device for woven bags, which comprises an air cylinder and a fixing plate, one end of the air cylinder is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a first fixing block, the output end of the air cylinder is fixedly connected with a second fixing block, and the top of the first fixing block and the top of the second fixing block are fixedly connected with connecting blocks. Multiple sets of sliding grooves are formed in the fixing plate, first sliding blocks and second sliding blocks are slidably connected into the sliding grooves, and the bottoms of the first sliding blocks are fixedly connected to the tops of the connecting blocks; compared with the prior art, the opening expanding device has the advantages that the opening expanding device can be suitable for woven bags of different specifications and types, and universality and practicability of the opening expanding device are improved; the risk that the woven bag falls off due to external force or vibration in the filling process can be reduced, and stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mouth openers, in particular to a mouth opener for woven bags. Background Art

[0002] Woven bags, also known as snakeskin bags, are a type of plastic bag, mainly used for packaging. Its raw materials are generally various chemical plastic raw materials such as polyethylene and polypropylene. Woven bags are generally white or grayish white in color, non-toxic and odorless, generally less harmful to the human body, and are more environmentally friendly and recyclable. The mouth opener is an important auxiliary tool in the use of woven bags. It can improve the practicality and safety of woven bags and enable woven bags to better play their packaging and transportation functions. The existing mouth openers for woven bags cannot adjust the size of the mouth openers according to the specific size and needs of the woven bags, which reduces its versatility and practicality; and the woven bags may easily slip or shift due to external forces or vibrations during the filling process, reducing stability. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and provides a mouth opener for woven bags.

[0004] The cam is connected with a toothed plate at one end, and a toothed plate is connected with the toothed plate at one end, and a toothed plate is connected with the toothed plate at one end, and a toothed plate is connected with the toothed plate at one end.

[0005] As a further description of the above technical solution:

[0006] The top of the clamping plate is threadedly connected with a threaded rod, and one end of the threaded rod passes through the clamping plate and is fixedly connected with a pressing plate.

[0007] As a further description of the above technical solution:

[0008] One end of the threaded rod away from the pressing plate is fixedly connected with a handle.

[0009] As a further description of the above technical solution:

[0010] The bottom of the fixing plate is fixedly connected with supporting legs, and the supporting legs are provided in multiple groups.

[0011] As a further description of the above technical solution:

[0012] One end of the support leg is fixedly connected to a mounting frame, and a roller is rotatably connected inside the mounting frame.

[0013] As a further description of the above technical solution:

[0014] The mounting frame and the rollers are provided in multiple groups.

[0015] As a further description of the above technical solution:

[0016] The threaded rods and the pressing plates are provided in multiple groups.

[0017] The utility model has the following beneficial effects:

[0018] 1. In the utility model, the cylinder is started, and the cylinder drives the fixed block 2 to reciprocate, and at the same time drives the fixed block 1 to reciprocate through the connecting rod. The fixed block 1 and the fixed block 2 drive the fixed frame to slide back and forth. The size of the mouth opener can be adjusted according to the specific size and needs of the woven bag, so that the mouth opener can be suitable for woven bags of different specifications and types, thereby improving its versatility and practicality.

[0019] 2. In the utility model, the mouth of the woven bag is placed inside the clamp, and then the threaded rod is rotated. The threaded rod drives the pressure plate to move downward to clamp the mouth of the woven bag, which can reduce the risk of the woven bag falling due to external force or vibration during the filling process and improve stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a mouth opener for a woven bag proposed by the utility model;

[0021] Figure 2 This is a front view of a mouth opener for a woven bag proposed by the utility model;

[0022] Figure 3 The utility model is a bottom view of a mouth opener for a woven bag.

[0023] Legend:

[0024] 1. Cylinder; 2. Connecting rod; 3. Fixed block 1; 4. Fixed block 2; 5. Connecting block; 6. Fixed plate; 7. Slide groove; 8. Slider 1; 9. Slider 2; 10. Fixed shaft; 11. Connecting plate; 12. Support plate; 13. Movable rod; 14. Fixed frame; 15. Clamp; 16. Threaded rod; 17. Handle; 18. Press plate; 19. Support leg; 20. Mounting frame; 21. Roller. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-Figure 3 The utility model provides an embodiment: a mouth opener for a woven bag, comprising a cylinder 1 and a fixed plate 6, one end of the cylinder 1 is fixedly connected to a connecting rod 2, one end of the connecting rod 2 is fixedly connected to a fixed block 3, the output end of the cylinder 1 is fixedly connected to a fixed block 4, the tops of the fixed blocks 3 and 4 are fixedly connected to connecting blocks 5, a slide groove 7 is provided inside the fixed plate 6, the slide groove 7 is provided with multiple groups, a slider 8 and a slider 2 9 are slidably connected inside the slide groove 7, the bottom of the slider 8 is fixedly connected to the top of the connecting block 5, the bottom ends of the sliders 18 and 29 are fixedly connected to a fixed shaft 10, one end of the fixed shaft 10 is rotatably connected to a connecting plate 11, one end of the connecting plate 11 is rotatably connected to a support plate 12, a movable rod 13 is fixedly connected at the center of the bottom of the fixed plate 6, one end of the movable rod 13 is rotatably connected to the inside of the support plate 12, the tops of the sliders 18 and 29 are fixedly connected to a fixing frame 14, and one end of the fixing frame 14 is fixedly connected to a clamping plate 15.

[0027] A threaded rod 16 is threadedly connected to the top of the clamping plate 15, and one end of the threaded rod 16 passes through the clamping plate 15 and is fixedly connected to a pressure plate 18. The end of the threaded rod 16 away from the pressure plate 18 is fixedly connected to a handle 17 for easy rotation of the threaded rod 16. A supporting leg 19 is fixedly connected to the bottom of the fixed plate 6, and the supporting leg 19 is provided with multiple groups. One end of the supporting leg 19 is fixedly connected to a mounting frame 20, and a roller 21 is rotatably connected inside the mounting frame 20 for easy movement. The mounting frame 20 and the roller 21 are both provided with multiple groups, and the threaded rod 16 and the pressure plate 18 are both provided with multiple groups.

[0028] Working principle: place the mouth of the woven bag inside the clamp 15, then rotate the threaded rod 16, the threaded rod 16 drives the pressure plate 18 to move downward to clamp the mouth of the fixed column woven bag, which can reduce the risk of the woven bag falling due to external force or vibration during the filling process; then start the cylinder 1, the cylinder 1 drives the fixed block 2 4 to reciprocate while driving the fixed block 1 3 to reciprocate through the connecting rod 2, the fixed block 1 3 and the fixed block 2 4 drive the slider 1 8 to slide back and forth inside the slide groove 7 through the connecting block 5, the slider 1 8 drives the connecting plate 11 to rotate through the fixed shaft 10, and the rotation of the connecting plate 11 drives the slider 2 9 to slide back and forth inside the slide groove 7, so that the slider 1 8 and the slider 2 9 drive the fixed frame 14 to slide back and forth, and the size of the mouth opener can be adjusted according to the specific size and needs of the woven bag.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A mouth-opening device for a woven bag, comprising a cylinder (1) and a fixing plate (6), characterized in that: One end of the cylinder (1) is fixedly connected to a connecting rod (2), one end of the connecting rod (2) is fixedly connected to a fixing block 1 (3), the output end of the cylinder (1) is fixedly connected to a fixing block 2 (4), the tops of the fixing blocks 1 (3) and 2 (4) are both fixedly connected to a connecting block (5), a sliding groove (7) is provided inside the fixing plate (6), the sliding groove (7) is provided with a plurality of groups, a sliding block 1 (8) and a sliding block 2 (9) are slidably connected inside the sliding groove (7), the bottom of the sliding block 1 (8) is fixedly connected to the top of the connecting block (5), the sliding block 1 (8) is fixedly connected to the top of the connecting block (5), and the sliding block 1 (8) is fixedly connected to the top of the connecting block (5). The bottom ends of block 1 (8) and slider 2 (9) are both fixedly connected to a fixed shaft (10), one end of the fixed shaft (10) is rotatably connected to a connecting plate (11), one end of the connecting plate (11) is rotatably connected to a supporting plate (12), a movable rod (13) is fixedly connected to the center of the bottom of the fixed plate (6), one end of the movable rod (13) is rotatably connected to the inside of the supporting plate (12), the tops of slider 1 (8) and slider 2 (9) are both fixedly connected to a fixed frame (14), one end of the fixed frame (14) is fixedly connected to a clamping plate (15).

2. The mouth opener for a woven bag according to claim 1, characterized in that: The top of the clamping plate (15) is threadedly connected to a threaded rod (16), and one end of the threaded rod (16) passes through the clamping plate (15) and is fixedly connected to a pressing plate (18).

3. The mouth opener for woven bags according to claim 2, characterized in that: One end of the threaded rod (16) away from the pressing plate (18) is fixedly connected to a handle (17).

4. The mouth opener for a woven bag according to claim 1, characterized in that: The bottom of the fixed plate (6) is fixedly connected with a support leg (19), and the support leg (19) is provided in multiple groups.

5. The mouth opener for a woven bag according to claim 4, characterized in that: One end of the support leg (19) is fixedly connected to a mounting frame (20), and a roller (21) is rotatably connected inside the mounting frame (20).

6. The mouth opener for a woven bag according to claim 5, characterized in that: The mounting frame (20) and the rollers (21) are provided in multiple groups.

7. The mouth opener for a woven bag according to claim 2, characterized in that: The threaded rods (16) and the pressing plates (18) are provided in multiple groups.

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