Auxiliary edge folding device for plastic woven bag production

Abstract

The utility model discloses an auxiliary folding device for plastic woven bag production, and particularly relates to the technical field of plastic woven bag production, which comprises a processing table, a winding machine is mounted on one side of the top of the processing table, a conveying belt is arranged on one side far away from the winding machine, and an adjustable folding structure is arranged on one side close to the conveying belt, of the top of the processing table. And an adjustable edge folding structure is arranged on one side of the machining table, an adjustable pressing structure is arranged on one side of the adjustable edge folding structure, the adjustable edge folding structure comprises two guide rods, a mounting opening is formed in the surface of the machining table in a penetrating mode, the two guide rods are both fixed into the mounting opening, and two sliding tables are jointly mounted outside the two guide rods. According to the plastic woven bag edge folding device, auxiliary edge folding operation can be conveniently carried out on plastic woven bags with different widths, pressing operation can be carried out on the folded edges of the plastic woven bags with different thicknesses, the use range of the device is widened, the edge folding effect can be improved, and the production quality of the plastic woven bags is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic woven bag production, more specifically, the utility model relates to plastic woven bag production auxiliary edge folding device. BACKGROUND

[0002] The plastic woven bag is a packaging bag made of plastic as raw material, extruded, drawn into flat silk, woven and bagged, and the plastic woven bag needs to be edge folded on both sides during production and processing.

[0003] The existing edge folding device is easy to unfold the edge folding part of the plastic woven bag due to elastic reset during transportation to other stations after edge folding on both sides, thereby affecting the edge folding effect of the plastic woven bag.

[0004] According to the search, the authorized announcement No. CN222097177U of the Chinese patent discloses a kind of edge folding device for plastic woven bag production and processing, which can further compact plastic woven bag, so that the edge folding part of plastic woven bag is more fitted, thereby improving the edge folding effect of plastic woven bag.

[0005] But the structure in actual use, when plastic woven bag is edge folded by two edge folding wheels, since the spacing between two edge folding wheels cannot be adjusted, it is difficult to edge fold plastic woven bag of different widths, affecting the applicability of the device, in view of this, the utility model provides plastic woven bag production auxiliary edge folding device. UTILITY MODEL CONTENT

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides plastic woven bag production auxiliary edge folding device to solve the problems raised in the above background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: plastic woven bag production auxiliary edge folding device, including processing table, the side of the top of processing table is installed with winding machine, and the side away from winding machine is provided with transmission belt, the side of the top of processing table and close to transmission belt is provided with adjustable edge folding structure, the side of adjustable edge folding structure is provided with adjustable pressing structure.

[0008] In order to facilitate the folding operation of plastic woven bags of different widths, preferably, the adjustable folding structure comprises two guide rods, the surface of the processing table is provided with a mounting opening, the two guide rods are fixed in the mounting opening, and the outer portions of the two guide rods are provided with two sliding tables, the sliding table is a convex structure, and the two sliding tables are slidingly connected to the outer portions of the guide rods, the bottoms of the two sliding tables are fixedly provided with concave frames, and the bottoms of the concave frames are fixedly provided with servo motors, the top of the sliding table is provided with a folding wheel, the output end of the servo motor is fixedly connected with the folding wheel, and the edge of the folding wheel is provided with a chamfer, the surface of the processing table and the side close to the sliding table are embeddedly provided with a measuring scale, one end of the sliding table is fixedly provided with an indicating mark, one end of the indicating mark is attached to the surface of the measuring scale and is slidingly connected to the surface of the measuring scale, and the surface of the sliding table and the surface of the processing table are provided with positioning holes.

[0009] In order to facilitate the pressing operation of plastic woven bags of different thicknesses, improve the folding effect, preferably, the adjustable pressing structure comprises a lower pressing roller, the surface of the processing table and the side close to the winding machine are provided with a rectangular opening, and the lower pressing roller is rotatably installed in the rectangular opening.

[0010] The adjustable pressing structure further comprises two supporting plates, the two supporting plates are fixedly arranged on the surface of the processing table and are located on the two sides of the lower pressing roller, and the surfaces of the two supporting plates are provided with guide openings, one of the guide openings is rotatably provided with a lead screw in the inner portion, and the other guide opening is fixedly provided with a sliding rod in the inner portion, the outer portions of the lead screw and the sliding rod are provided with a threaded block and a guide block respectively, the upper pressing roller is rotatably arranged between the threaded block and the guide block, the threaded block is located on the outer portion of the lead screw and is threadedly connected with the lead screw, the top end of the lead screw is fixedly provided with an adjusting disc, the guide block is slidingly connected to the outer portion of the sliding rod, and the upper pressing roller and the lower pressing roller are vertically and horizontally arranged.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] 1、By setting the adjustable folding structure, the two sliding tables slide on the outer portions of the two guide rods, the distance between the two folding wheels can be adjusted according to the width of the plastic woven bag, the folding operation of the plastic woven bag of different widths is facilitated, the use range is improved, the distance between the two folding wheels can be accurately controlled by cooperating with the use of the indicating mark and the measuring scale, the sliding table after adjustment can be locked and fixed through the thread cooperation of the positioning pin and the positioning hole, the sliding of the two sliding tables is avoided, the corresponding folding wheels are driven to rotate in opposite directions by the two servo motors, and the folding effect of the plastic woven bag is improved.

[0013] 2. By setting an adjustable pressing structure, rotating the adjusting plate causes the lead screw to rotate inside the corresponding guide opening. This, in turn, drives the upper pressure roller to move closer to the lower pressure roller under the action of the guide block and the slide bar. This is used to adjust the gap between the lower and upper pressure rollers according to the thickness of the plastic woven bag, making it convenient to press plastic woven bags of different thicknesses and improving the bonding effect at the folded edges of the plastic woven bag. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the surface structure of the processing table of this utility model.

[0016] Figure 3 This is a three-dimensional view of the adjustable pressing structure of this utility model.

[0017] Figure 4 This is a perspective view of the adjustable folded edge structure of this utility model.

[0018] Figure 5 This is a diagram showing the state of the plastic woven bag of this utility model during the folding process.

[0019] The attached diagram is labeled as follows: 1. Processing table; 2. Winding machine; 3. Conveyor belt; 4. Guide rod; 5. Mounting port; 6. Slide table; 7. Concave frame; 8. Servo motor; 9. Folding wheel; 10. Measuring ruler; 11. Indicator; 12. Positioning hole; 13. Positioning pin; 14. Lower pressure roller; 15. Rectangular opening; 16. Support plate; 17. Guide opening; 18. Lead screw; 19. Slide rod; 20. Threaded block; 21. Guide block; 22. Upper pressure roller; 23. Adjusting disc. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] As attached Figures 1-5 The plastic woven bag production auxiliary folding device shown includes a processing table 1, a winding machine 2 is installed on one side of the top of the processing table 1, and a conveyor belt 3 is provided on the side away from the winding machine 2. An adjustable folding structure is provided on the top of the processing table 1 and on the side close to the conveyor belt 3, and an adjustable pressing structure is provided on the side of the adjustable folding structure.

[0022] Specifically, in this structure, the plastic woven bags are not cut into individual plastic woven bags during the production of the folded edges. Therefore, after the plastic woven bags are processed in the previous process, they are transported to the adjustable folding structure via conveyor belt 3. The adjustable folding structure adjusts the width of the plastic woven bags and then folds them. After folding, they enter the adjustable pressing structure to press the plastic woven bags of different thicknesses. Finally, they enter the winding machine 2 for winding.

[0023] In this embodiment, as shown in the appendix Figure 1 , 2 As shown in Figures 4 and 5, the adjustable folding structure includes two guide rods 4. A mounting port 5 is provided through the surface of the processing table 1. Both guide rods 4 are fixed inside the mounting port 5, and two slides 6 are installed on the outside of the two guide rods 4. The slides 6 are convex structures, and both slides 6 are slidably connected to the outside of the guide rods 4. A concave frame 7 is fixedly installed at the bottom of each slide 6, and a servo motor 8 is fixedly installed at the bottom of the concave frame 7. A folding wheel 9 is installed at the top of the slide 6. The output end of the servo motor 8 is fixedly connected to the folding wheel 9, and the edge of the folding wheel 9 is chamfered. A measuring ruler 10 is embedded in the surface of the processing table 1 and near the slide 6. An indicator 11 is fixedly installed at one end of the slide 6. One end of the indicator 11 is attached to the surface of the measuring ruler 10 and slidably connected to the surface of the measuring ruler 10. Positioning holes 12 are provided on the surfaces of both the slide 6 and the processing table 1. Positioning pins 13 are installed in the internal threads of the positioning holes 12.

[0024] Specifically, in this structure, depending on the width of the plastic woven bag, the operator adjusts the two slides 6 by sliding them outside the two guide rods 4, thereby adjusting the distance between the two folding wheels 9. This facilitates the folding operation of plastic woven bags of different widths. During the sliding adjustment process, the two slides 6 drive the indicator 11 to slide against the surface of the measuring ruler 10 to measure the distance between the two slides 6. The distance between the two slides 6 determines the distance between the two folding wheels 9, which in turn determines the width of the plastic woven bag.

[0025] After the slide table 6 is adjusted, the positioning pin 13 is threaded into the positioning hole 12 to lock and fix the slide table 6 and the processing table 1, so as to prevent the two slide tables 6 from sliding.

[0026] When folding the edges of plastic woven bags, the workers first fold the two ends of the plastic woven bags inward, and then place the folded edges on both sides of the plastic woven bags at the chamfer of the two adjusted folding wheels 9. The two servo motors 8 drive the two folding wheels 9 to rotate in different directions, and with the continuous pulling of the winding machine 2, the plastic woven bags are folded.

[0027] In this embodiment, as shown in Fig. 5, the adjustable pressing structure comprises a lower pressing roller 14, a rectangular opening 15 is formed through the surface of the processing table 1 and close to one side of the winding machine 2, and the lower pressing roller 14 is rotatably installed in the interior of the rectangular opening 15. Figure 1 , 3

[0028] The adjustable pressing structure further comprises two supporting plates 16, both of which are fixed on the surface of the processing table 1 and located at both sides of the lower pressing roller 14, and the surface of each of the two supporting plates 16 is formed with a guide opening 17, one interior of which is rotatably installed with a lead screw 18, and the other interior of which is fixedly installed with a sliding rod 19, and the exterior of the lead screw 18 and the sliding rod 19 is respectively provided with a threaded block 20 and a guide block 21, and the threaded block 20 and the guide block 21 are rotatably installed with an upper pressing roller 22, the threaded block 20 is located at the exterior of the lead screw 18 and threadedly connected with the lead screw 18, the top end of the lead screw 18 is fixedly installed with an adjusting disc 23, the guide block 21 is slidingly connected with the exterior of the sliding rod 19, and the upper pressing roller 22 and the lower pressing roller 14 are vertically and horizontally arranged.

[0029] Specifically, in this structure, first, the operator adjusts the gap between the upper pressing roller 22 and the lower pressing roller 14 according to the thickness of the plastic woven bag by rotating the adjusting disc 23 to make the lead screw 18 rotate in the corresponding guide opening 17, and then driving the upper pressing roller 22 to move towards the lower pressing roller 14 under the action of the guide block 21 and the sliding rod 19 through the threaded block 20.

[0030] After one end of the folded plastic woven bag is pulled into the space between the upper pressing roller 22 and the lower pressing roller 14, the upper pressing roller 22 and the lower pressing roller 14 after adjustment are used to press the folded plastic woven bag again, thereby improving the adhesion effect of the folded plastic woven bag.

[0031] The working principle of the utility model is as follows:

[0032] The plastic woven bag production auxiliary folding device provided by the application comprises a transmission belt 3, two folding wheels 9, a guide rod 4, two sliding tables 6, a plurality of positioning holes 12, a plurality of positioning pins 13, and a plurality of indicating marks 11, and the transmission belt 3 is arranged on the surface of the processing table 1, the two folding wheels 9 are arranged on the transmission belt 3 and are used to fold the plastic woven bag, the guide rod 4 is arranged on the surface of the processing table 1 and is used to guide the sliding of the two sliding tables 6, the two sliding tables 6 are slidingly arranged on the guide rod 4 and are used to adjust the distance between the two folding wheels 9, the plurality of positioning holes 12 are arranged on the surface of the two sliding tables 6, the plurality of positioning pins 13 are threadedly installed in the plurality of positioning holes 12 and are used to fix the position of the two sliding tables 6, and the plurality of indicating marks 11 are arranged on the surface of the measuring ruler 10 and are used to measure the distance between the two sliding tables 6.

[0033] ​The staff first folds the two ends of the plastic woven bag inward, and then places the two side folds at the chamfered part of the folding wheel 9 with adjusted spacing, and the two servo motors 8 drive the folding wheel 9 to rotate in different directions, while the winding machine 2 starts to pull the plastic woven bag, and under the cooperation of the rotation of the folding wheel 9 and the pulling of the winding machine 2, the folding treatment of the plastic woven bag is completed;

[0034] The folded plastic woven bag is about to enter the pressing link, the operator adjusts the gap between the upper pressing roller 22 and the lower pressing roller 14 according to the thickness of the plastic woven bag, rotates the adjusting disc 23, the adjusting disc 23 drives the lead screw 18 to rotate, and through the threaded block 20, the upper pressing roller 22 moves to the direction of the lower pressing roller 14 under the assistance of the guide block 21 and the slide rod 19, adjusts the gap between the upper pressing roller 22 and the lower pressing roller 14, and adapts the thickness of the woven bag, pulls one end of the folded plastic woven bag to the gap between the upper pressing roller 22 and the lower pressing roller 14, and the upper pressing roller 22 and the lower pressing roller 14 after adjustment press the woven bag, further press the folded part, and improve the folding effect;

[0035] The plastic woven bag after pressing is continuously pulled by the winding machine 2, and finally the winding operation is completed on the winding machine 2.

[0036] It is worth noting that the contents not described in detail in the specification are all prior art known to those skilled in the art, and the model parameters of various electrical appliances are not specifically limited, and conventional equipment can be used, in the technical solution, the electrical control elements not mentioned belong to the prior art, so they are not shown in the figure, and will not be described here.

[0037] The above only describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A plastic woven bag production auxiliary edge folding device comprising a processing table (1), characterized in that: The side of the top of the processing table (1) is provided with a winding machine (2), and the side away from the winding machine (2) is provided with a conveying belt (3), the side of the top of the processing table (1) and close to the conveying belt (3) is provided with an adjustable flanging structure, and the side of the adjustable flanging structure is provided with an adjustable pressing structure. The adjustable flanging structure comprises two guide rods (4), the surface of the processing table (1) is provided with an installation opening (5), the two guide rods (4) are fixed in the installation opening (5), and the outer portions of the two guide rods (4) are jointly provided with two sliding tables (6), the bottoms of the two sliding tables (6) are fixedly provided with recessed frames (7), the bottoms of the recessed frames (7) are fixedly provided with servo motors (8), and the tops of the sliding tables (6) are provided with flanging wheels (9). The surface of the processing table (1) and close to the sliding table (6) is embeddedly provided with a measuring scale (10), and one end of the sliding table (6) is fixedly provided with an indicating mark (11). The surfaces of the sliding table (6) and the processing table (1) are provided with positioning holes (12), and the positioning holes (12) are threadedly provided with positioning pins (13).

2. The device according to claim 1, wherein: The adjustable pressing structure comprises a lower pressing roller (14), the surface of the processing table (1) and close to the winding machine (2) is provided with a rectangular opening (15), and the lower pressing roller (14) is rotatably installed in the rectangular opening (15).

3. The device according to claim 1, wherein: The adjustable pressing structure further comprises two supporting plates (16), the two supporting plates (16) are fixed on the surface of the processing table (1) and are located on the two sides of the lower pressing roller (14), the surfaces of the two supporting plates (16) are provided with guide openings (17), one of the guide openings (17) is rotatably provided with a screw rod (18), and the other guide opening (17) is fixedly provided with a sliding rod (19), the outer portions of the screw rod (18) and the sliding rod (19) are respectively provided with a threaded block (20) and a guide block (21), and the threaded block (20) and the guide block (21) are rotatably provided with an upper pressing roller (22).

4. The device according to claim 3, wherein: The threaded block (20) is located on the outer portion of the screw rod (18) and is threadedly connected with the screw rod (18), the top end of the screw rod (18) is fixedly provided with an adjusting disc (23), the guide block (21) is slidingly connected on the outer portion of the sliding rod (19), and the upper pressing roller (22) and the lower pressing roller (14) are vertically and horizontally arranged.

5. The device for folding the edge of a plastic woven bag according to claim 1, wherein: The sliding table (6) is a convex structure, and the two sliding tables (6) are slidingly connected on the outer portions of the guide rods (4). One end of the indicating mark (11) is attached to the surface of the measuring scale (10) and is slidingly connected on the surface of the measuring scale (10).

6. The device for folding the edge of a plastic woven bag according to claim 1, wherein: The surface of the measuring scale (10) is slidingly connected.

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