A flattening device for processing of cement woven bags

Abstract

The utility model provides a kind of for cement woven bag processing's flattening device, it is related to cement woven bag processing technical field, and it includes: bottom plate, two side plates are fixedly connected in bottom plate top, two side plates are fixedly installed with hot blast box in the position of middle part close to opposite sides, and hot blast box is respectively provided with opening in opposite sides. This kind of flattening device is by the low-pressure hot air that temperature is strictly controlled below material melting point to hot blast box, make woven cloth obtain uniform softening and fully release internal stress in conveying process, to avoid the elongation or deformation of woven cloth caused by overheating on the root, guarantee the finished product dimensional stability, again by the flattening roller that flattening roller is driven under pressure is adhered cement woven bag and applies uniform flexible pressure, it can be effectively flattened longitudinal, transverse double-direction wrinkle at the same time, avoid the damage caused to warp and weft silk by rigid rolling, protect the integrity of weaving structure and bag body strength.

Description

Technical Field

[0001] This utility model relates to the field of cement woven bag processing technology, specifically a leveling device for cement woven bag processing. Background Technology

[0002] Plastic woven bags are the primary packaging form for cement products, and their smoothness directly affects printing quality and brand image. During processing, the tubular woven fabric rolls inevitably generate internal stress due to previous processes such as weaving and winding, resulting in longitudinal and transverse wrinkles on the fabric surface. These wrinkles not only lead to serious defects in subsequent printing processes, such as blurry fonts and inaccurate color registration, but may also cause positioning errors during automatic cutting and sewing, increasing the scrap rate and severely impacting production efficiency and product qualification rate.

[0003] Existing leveling devices use rigid rollers to press woven fabric to eliminate wrinkles. Although the structure is simple, it is not very effective for stubborn wrinkles that are difficult to release internal stress by physical pressure alone. More importantly, when pressing woven fabric of uneven thickness, excessive pressure may cause local warp and weft threads to be overstretched or even damaged, destroying the woven structure and creating new stress concentration points in subsequent use, affecting the strength of the bag. Utility Model Content

[0004] The purpose of this application is to provide a leveling device for processing cement woven bags, so as to solve the technical problems existing in the prior art.

[0005] To achieve the above objectives, the technical solution adopted in this application is: to provide a leveling device for processing cement woven bags, comprising: a base plate, two side plates fixedly connected to the top of the base plate, and hot air boxes fixedly installed on the two side plates near the middle position on opposite sides, with openings on opposite sides of the hot air boxes; Two pairs of pneumatic rods a are fixedly installed on the top of the hot air box. A frame is fixedly installed between the bottom of the output ends of the pneumatic rods a. Slide grooves are opened on opposite sides of the frame. Slide rails are fixedly connected to the inner walls of opposite sides of the slide grooves. A slider is slidably connected between the two slide rails. A flat roller is rotatably connected between the two opposite sliders.

[0006] Furthermore, a spring seat is fixedly connected to the top of the slider and the top of the inner groove, and a spring is sleeved between the two spring seats.

[0007] Furthermore, a connector is fixedly installed on the top of the hot air box, and a flat platform is fixedly installed at the bottom inside the hot air box.

[0008] Furthermore, mounting plates are fixedly installed on the inner walls of the two side plates at positions away from the center. Two pneumatic rods b are fixedly installed on the top of each mounting plate. A gantry frame is fixedly installed between the bottom ends of the output ends of the two pneumatic rods b. A pressure roller is rotatably connected between the inner walls of the gantry frame and the inner walls of the two side plates.

[0009] Furthermore, conveying rollers are rotatably connected to the inner walls of the two side plates at positions opposite to the pressure rollers. A drive motor is fixedly installed on one side of the side plate, and one end of the drive shaft of the drive motor is connected to the rotation shaft of one of the conveying rollers.

[0010] Furthermore, three tensioning rollers are rotatably connected to the inner walls of the two side plates near the conveying rollers, and the three tensioning rollers are distributed in a triangular structure.

[0011] The beneficial effects of this utility model are: The advantages of this invention are that by supplying low-pressure hot air with a temperature strictly controlled below the melting point of the material to the hot air box, the woven fabric is uniformly softened and its internal stress is fully released during the conveying process. This fundamentally avoids the woven fabric from stretching or deforming due to overheating, ensuring the dimensional stability of the finished product. Furthermore, the pneumatically driven flattening roller adheres to the cement woven bag and applies uniform and flexible pressure, which can effectively flatten the longitudinal and transverse folds while avoiding damage to the warp and weft threads caused by rigid crushing, thus protecting the integrity of the woven structure and the strength of the bag. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0014] Figure 2 This is a cross-sectional view of the overall structure of this utility model.

[0015] Figure 3 This is a schematic diagram of the frame structure of this utility model.

[0016] Figure 4 This is a schematic diagram of the leveling roller structure of this utility model.

[0017] Figure 5 For the present utility model Figure 2 Enlarged view of point A in the middle.

[0018] The following are the labeling elements in the figure: 1. Base plate; 11. Side plate; 12. Hot air box; 13. Opening; 14. Connector; 15. Leveling table; 2. Pneumatic rod a; 21. Frame; 22. Slide groove; 23. Slide rail; 24. Slider; 25. Leveling roller; 26. Spring seat; 27. Spring; 3. Mounting plate; 31. Pneumatic rod b; 32. Gantry frame; 33. Pressure roller; 34. Conveying roller; 35. Drive motor; 36. Tensioning roller. Detailed Implementation

[0019] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0020] The present application will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0021] As attached Figure 1 , Figure 2 and Figure 3 A leveling device for processing cement woven bags is shown, comprising: a base plate 1, two side plates 11 fixedly connected to the top of the base plate 1, a hot air box 12 fixedly installed on the two side plates 11 near the middle on opposite sides, an opening 13 on opposite sides of the hot air box 12, a connector 14 fixedly installed on the top of the hot air box 12, and a leveling platform 15 fixedly installed at the bottom inside the hot air box 12. Two pairs of pneumatic rods a2 are fixedly installed on the top of the hot air box 12. A frame 21 is fixedly installed between the bottom of the output ends of the pneumatic rods a2. Slide grooves 22 are opened on opposite sides of the frame 21. Slide rails 23 are fixedly connected to the inner walls of opposite sides of the slide grooves 22. A slider 24 is slidably connected between the two slide rails 23. A flat roller 25 is rotatably connected between the two opposite sliders 24. A spring seat 26 is fixedly connected to the top of the slider 24 and the top of the inner side of the slide groove 22. A spring 27 is sleeved between the two spring seats 26.

[0022] In the process of leveling cement woven bags, an external hot air blower duct is connected to connector 14. After the hot air blower is started, low-pressure hot air is delivered to the hot air box 12. The hot air temperature is controlled below the melting point of the cement woven bag material to ensure that the material is softened and will not be stretched or deformed during leveling. Then, one end of the cement woven bag roll is passed through the two openings 13 of the hot air box 12, so that the cement woven bag roll is above the leveling table 15 and below the frame 21. Then, the pneumatic rod a2 is controlled to push the frame 21 downward, so that the leveling roller 25 presses on the leveling table 15. The up-and-down sliding block 24 can drive the leveling roller 25 to move along the length of the slide rail 23. With the help of the spring 27, a pressure is applied to keep the leveling roller 25 in contact with the cement woven bag material. The cement woven bag roll moves under the conveyor and enters the hot air box 12. The cement woven bag roll is softened and leveled with the help of the leveling roller 25 to avoid wrinkles that will affect subsequent processing.

[0023] As attached Figure 1 , Figure 2 and Figure 3 As shown, mounting plates 3 are fixedly installed on the inner walls of the two side plates 11 at positions away from the center. Two pneumatic rods b31 are fixedly installed on the top of each mounting plate 3. A gantry frame 32 is fixedly installed between the bottom ends of the output ends of the two pneumatic rods b31. A pressure roller 33 is rotatably connected between the gantry frame 32 and the inner walls of the two side plates 11 at positions opposite to the inner walls of the two side plates 11 and the pressure roller 33. A drive motor 35 is fixedly installed on one side of the side plate 11. One end of the drive shaft of the drive motor 35 is connected to the rotation shaft of one of the conveyor rollers 34. Three tension rollers 36 are rotatably connected to the inner walls of the two side plates 11 near the conveyor roller 34. The three tension rollers 36 are distributed in a triangular structure.

[0024] Specifically, when leveling the cement woven bag material, first control the pneumatic rod b31 to retract, driving the gantry 32 to move upward, driving the pressure roller 33 to move upward and separate from the conveying roller 34. Then, place the cement woven bag material on the two conveying rollers 34 and around the tension roller 36. Then, start the pneumatic rod b31 to push out the output end, pushing the gantry 32 and pressure roller 33 downward, so that the pressure roller 33 presses down on the cement woven bag material. After starting the drive motor 35, drive the connected conveying roller 34 to rotate, thereby moving the cement woven bag roll to one side. With the help of the three tension rollers 36, the wrinkles of the cement woven bag roll are flattened, thus enabling continuous processing and improving the leveling quality.

[0025] All electrical components mentioned in the text are electrically connected to the main controller and power supply. The main controller can be a conventional and known device such as a computer, and the existing publicly available power connection technology will not be elaborated in the text.

[0026] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A leveling device for processing cement woven bags, characterized in that, include: The base plate (1) has two side plates (11) fixedly connected to its top. Hot air boxes (12) are fixedly installed on the two side plates (11) near the middle on opposite sides. The hot air boxes (12) have openings (13) on opposite sides respectively. Two pairs of pneumatic rods a (2) are fixedly installed on the top of the hot air box (12). A frame (21) is fixedly installed between the bottom of the output end of the pneumatic rods a (2). Slide grooves (22) are opened on opposite sides of the frame (21). Slide rails (23) are fixedly connected on the inner walls of opposite sides of the slide grooves (22). A slider (24) is slidably connected between the two slide rails (23). A flat roller (25) is rotatably connected between the two opposite sliders (24).

2. The leveling device for processing cement woven bags according to claim 1, characterized in that, The top of the slider (24) and the top of the inner groove (22) are respectively fixedly connected to spring seats (26), and a spring (27) is sleeved between the two spring seats (26).

3. The leveling device for processing cement woven bags according to claim 1, characterized in that, A connector (14) is fixedly installed on the top of the hot air box (12), and a flat platform (15) is fixedly installed at the bottom inside the hot air box (12).

4. The leveling device for processing cement woven bags according to claim 1, characterized in that, Two mounting plates (3) are fixedly installed on the inner walls of the two side plates (11) at positions away from the center. Two pneumatic rods (31) are fixedly installed on the top of each mounting plate (3). A gantry frame (32) is fixedly installed between the bottom of the output ends of the two pneumatic rods (31). A pressure roller (33) is rotatably connected between the inner walls of the gantry frame (32) and the inner walls of the two side plates.

5. The leveling device for processing cement woven bags according to claim 4, characterized in that, Two side plates (11) are rotatably connected to conveying rollers (34) at their opposite inner walls and relative positions to the pressure rollers (33). A drive motor (35) is fixedly installed on one side of the side plate (11), and one end of the drive shaft of the drive motor (35) is connected to the rotation shaft of one of the conveying rollers (34).

6. The leveling device for processing cement woven bags according to claim 5, characterized in that, Three tension rollers (36) are rotatably connected to the inner walls of the two side plates (11) near the conveying roller (34) respectively, and the three tension rollers (36) are distributed in a triangular structure.

Images