A filter bag comb folding device

By designing a comb-teeth folding device for filter bags and adopting a comb-teeth folding method, the problem that the filter bags are difficult to unfold after being folded is solved, the automatic folding of the filter bags is realized, and the work efficiency and safety are improved.

CN116354186BActive Publication Date: 2025-09-16LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY
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Patent Information

Application Number
CN202310538481.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-15
Publication Date
2025-09-16
Estimated Expiration
2043-05-15

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Abstract

The present invention discloses a filter bag comb folding device, which has the following structure: a leveling device, a clamping device and a folding device are provided on a frame; the leveling device comprises a leveling cylinder mounting plate, a leveling cylinder, a leveling cylinder bow support frame, a leveling cylinder inner tooth roller, a leveling roller fixed beam and two spring telescopic rollers; the clamping device comprises a clamping cylinder and a clamping cylinder push plate; the folding device comprises a pressing cylinder, an optical axis, a flange linear bearing, a flange linear bearing fixing plate, a pressing roller bow support, a movable inner tooth roller, a fixed roller bracket and a folding roller fixed beam; the present invention solves the problem that the filter bag is not easy to unfold quickly after being folded, is safe and convenient to operate, saves time and effort, and can also meet the folding needs of filter bags of different lengths and diameters.
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Description

Technical Field

[0001] The present invention relates to a filter bag folding device, in particular to a filter bag comb folding device, belonging to the technical field of fabric folding tools. Background Art

[0002] Dust collector bags, often referred to as filter bags, are widely used in pharmaceutical, water treatment, food, bioengineering, chemical, petrochemical, metallurgy, and gas purification industries due to their unique advantages. However, the folding of dust collector bags presents a challenge. The traditional folding method involves flat-rolling, which requires the collaboration of three to four workers using existing folding machines. The bags are manually unfolded and flattened, then manually loaded onto a stalking folding machine for folding, a process that carries certain risks. Finally, the bags are manually removed, sorted, and stacked. Furthermore, these bags are difficult to unfold and reinstall in the dust collector. Summary of the Invention

[0003] In view of the problems existing in the above-mentioned prior art, the present invention provides a filter bag comb-tooth folding device, which adopts a comb-tooth folding method and at least solves the problem in the above-mentioned prior art that the filter bag is difficult to unfold after being folded.

[0004] The present invention provides the following technical solutions:

[0005] A filter bag comb folding device, comprising a flattening device, a clamping device, a folding device and a frame;

[0006] The leveling device includes a leveling cylinder mounting plate, a leveling cylinder, a leveling cylinder bow-shaped support frame, a leveling cylinder inner tooth roller, a leveling roller fixed beam and a spring telescopic roller, wherein the leveling cylinder mounting plate is fixed to the frame, the top of the leveling cylinder body is fixed just below the leveling cylinder mounting plate, the lower end of the leveling cylinder piston rod is connected to the top of the leveling cylinder bow-shaped support frame, the leveling cylinder inner tooth roller is installed inside the leveling cylinder bow-shaped support frame, two leveling roller fixed beams are fixed to the frame in parallel with each other, and two spring telescopic rollers are installed between the two leveling roller fixed beams in parallel with each other;

[0007] The clamping device includes a clamping cylinder and a clamping cylinder push plate; wherein both sides of the clamping cylinder body are fixed on the frame, and the lower end of the clamping cylinder piston rod is connected to the top of the clamping cylinder push plate;

[0008] The folding device includes a downward pressure cylinder, an optical axis, a flange linear bearing, a flange linear bearing fixing plate, a downward pressure roller arch support frame, a movable inner tooth roller, a fixed inner tooth roller, a fixed roller bracket, and a folding roller fixed beam; wherein the downward pressure cylinder and the flange linear bearing fixing plate are fixed at intervals on the frame, the flange linear bearing is fixed on the top of the flange linear bearing fixing plate, the optical axis passes through the flange linear bearing and is connected to the top of the downward pressure roller arch support frame, the downward pressure cylinder piston rod is connected to the top of the downward pressure roller arch support frame, and the optical axis and the downward pressure cylinder piston rod are parallel to each other; the movable inner tooth roller is installed inside the downward pressure roller arch support frame; the fixed roller bracket is installed directly below the downward pressure roller arch support frame, the folding roller fixed beam is arranged on the frame corresponding to the top of the fixed roller bracket, and the fixed inner tooth roller is installed between the top of the fixed roller bracket and the folding roller fixed beam.

[0009] The frame is assembled from 4040 aluminum profiles, and each aluminum profile is fixedly connected by angle brackets and T-bolts.

[0010] Preferably, two straight slots are respectively opened at both ends of the flat cylinder mounting plate, and the flat cylinder mounting plate uses T-bolts to pass through the straight slots so that the flat cylinder mounting plate is slidably set on the frame; the flat cylinder mounting plate has a through hole corresponding to the top end of the cylinder body, and is fixedly connected with bolts.

[0011] Preferably, the top of the flat cylinder bow-shaped support frame is connected to the lower end of the flat cylinder piston rod through bolt holes; the two sides of the flat cylinder bow-shaped support frame are connected to the flat cylinder inner toothed roller through bolt holes; when the flat cylinder piston rod is pushed to the bottom end, the flat cylinder inner toothed roller is located in the middle of the two spring telescopic rollers, the flat cylinder inner toothed roller and the two spring telescopic rollers are parallel to each other, and the flat cylinder inner toothed roller is located between the two flat roller fixed beams.

[0012] Preferably, the frame is provided with fixed through holes and air inlet and outlet holes corresponding in position and size to the two sides of the clamping cylinder body, and the clamping cylinder body is fixedly connected to the frame by bolts; the clamping cylinder push plate is provided with fixed through holes corresponding to the lower end of the clamping cylinder piston rod, and the clamping cylinder push plate is connected to the clamping cylinder piston rod by bolts.

[0013] Preferably, three downward-pressing cylinders are provided, and the three downward-pressing cylinders are parallel to each other and fixed on the frame at even intervals.

[0014] Preferably, three of the optical axis and flange linear bearings are provided, and the three flange linear bearings are fixed on the flange linear bearing fixing plate at even intervals corresponding to the three downward pressure cylinders; cross-cross straight slots are opened at both ends of the flange linear bearing fixing plate, and the flange linear bearing fixing plate is fixedly connected to the frame using T-bolts through the straight slots.

[0015] Preferably, three of the lower pressure roller bow support frame and the movable inner tooth roller are provided, and a through hole matching the diameter of the bottom end of the piston rod of the lower pressure cylinder is opened on the top of the lower pressure roller bow support frame, and the piston rod of the lower pressure cylinder passes through the through hole at the top of the lower pressure roller bow support and is fixed with a nut; a through hole matching the size of the optical axis is opened on the top of the lower pressure roller bow support frame; the optical axis passes through the flange linear bearing and the through hole at the top of the lower pressure roller bow support frame, and the upper and lower ends of the through hole at the top of the lower pressure roller bow support frame are respectively fixed to the optical axis with fixing rings.

[0016] Preferably, the fixed inner-toothed rollers and fixed roller brackets are both provided in four numbers, the fixed roller brackets are equidistant from each other and parallel to each other, and the fixed inner-toothed rollers are equidistant from each other and parallel to each other.

[0017] Preferably, through holes are respectively opened at the lower end and the middle end of the fixed roller bracket, and the fixed roller bracket is fixedly connected to the frame through the through holes using T-bolts.

[0018] The advantages and effects of the present invention are as follows:

[0019] 1. The filter bag leveling device is used to fix the leveling cylinder mounting plate to the frame front and back. Straight slots are opened at both ends of the leveling cylinder mounting plate. The leveling cylinder mounting plate moves up and down in the slots through T-bolts, which can realize the up and down adjustment function of the leveling cylinder mounting plate on the frame. Therefore, the pushing depth of the leveling cylinder piston rod can be micro-controlled, making the leveling work of the filter bag more perfect, and having the functions of squeezing out the air in the filter bag, smoothing the filter bag wrinkles, and flipping the filter bag in a single time.

[0020] 2. Through the filter bag clamping device, the clamping cylinder piston rod pushes the clamping cylinder push plate. The surface of the push plate is provided with a rubber pad, which pushes the rubber pad and the frame to squeeze the filter bag, thereby fixing one end of the filter bag.

[0021] 3. Through the filter bag folding device, cross straight slots are opened at both ends of the flange linear bearing fixing plate, which is convenient for fine-tuning the flange linear bearing fixing plate front, back, left and right. It is fixed to the frame with T-bolts. The optical axis plays the role of limiting the rotation of the arch support of the downward pressure roller. The filter bag is folded in a comb-tooth style under the intersection of the mobile inner tooth roller and the fixed inner tooth roller. It is easy to operate, easy to unfold again, and has the characteristics of safety and labor saving.

[0022] 4. The flat cylinder mounting plate is provided with a through hole corresponding to the top of the cylinder body, and is fixed with bolts, which is convenient for fixing and will not block the extension of the piston rod when the end of the cylinder piston rod is retracted.

[0023] 5. The fixed beams of the flat roller and the folding roller are connected to the frame through angle brackets and T-bolts, which can make the distance between the two roller beams adjustable and facilitate subsequent upgrades.

[0024] 6. By connecting the optical axis and the piston rod of the downward pressure cylinder in parallel to the bow-shaped support frame of the downward pressure roller, the effect of limiting the large rotation of the mobile inner tooth roller when the mobile inner tooth roller is pushed out and returned can be achieved.

[0025] 7. There are two through holes at the lower end and the middle end of the fixed roller bracket, which are fixed to the frame by T-bolts to avoid the fixed roller bracket from bending due to insufficient fixed support. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a front view of a filter bag comb folding device provided in Example 1 of the present invention.

[0027] Figure 2 This is a side view of a filter bag comb folding device provided in Example 1 of the present invention.

[0028] Figure 3 This is a top view of a filter bag comb folding device provided in Example 1 of the present invention.

[0029] Figure 4 This is a schematic diagram of the structure of the flange bearing fixing plate provided in Example 1 of the present invention.

[0030] Figure 5 This is a schematic structural diagram of the flat cylinder mounting plate provided in Example 1 of the present invention.

[0031] In the figure: 1. Pressing cylinder, 2. Optical axis, 3. Flange linear bearing, 4. Flange linear bearing fixing plate, 5. Clamping cylinder, 6. Clamping cylinder push plate, 7. Moving inner tooth roller, 8. Bow-shaped support frame for pressing roller, 9. Fixed inner tooth roller, 10. Fixed roller bracket, 11. Fixed crossbeam for folding roller, 12. Leveling cylinder mounting plate, 13. Leveling cylinder, 14. Bow-shaped support frame for leveling cylinder, 15. Internal tooth roller of leveling cylinder, 16. Fixed crossbeam for leveling roller, 17. Spring-type retractable roller, 18. Cylinder tripod, 19. Frame. Implementation Method

[0032] To make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0033] In the description of the present invention, terms such as "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," and "bottom" indicate positions or locations based on those shown in the accompanying drawings. These terms are used solely to facilitate description of the present invention and do not require that the present invention be constructed or operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. The terms "connected," "connected," and "disposed" used in the present invention should be broadly interpreted. For example, they may refer to fixed or detachable connections; direct or indirect connections via intermediate components; wired electrical connections, radio connections, or wireless communication signal connections. Those skilled in the art will understand the specific meanings of these terms based on specific circumstances. Example

[0034] like Figure 1 As shown, the present embodiment relates to a filter bag comb folding device, comprising a flattening device, a clamping device, a folding device and a frame;

[0035] The leveling device includes a leveling cylinder mounting plate 12, a leveling cylinder 13, a leveling cylinder bow support frame 14, a leveling cylinder inner tooth roller 15, a leveling roller fixed beam 16 and a spring telescopic roller 17, wherein two straight slots are respectively opened at both ends of the leveling cylinder mounting plate 12, and the leveling cylinder mounting plate 12 uses T-bolts to pass through the straight slots so that the leveling cylinder mounting plate is slidably set on the frame 19; the leveling cylinder mounting plate is opened with a through hole corresponding to the top of the cylinder body, and the top of the cylinder body is fixed with bolts It is connected just below the flat cylinder mounting plate, and the lower end of the flat cylinder piston rod is connected to the top of the flat cylinder bow support frame 14 through bolt holes. The two sides of the flat cylinder bow support frame 14 are connected to the flat cylinder inner tooth roller 15 through bolt holes. The flat cylinder inner tooth roller 15 is installed inside the flat cylinder bow support frame 14. A through hole is opened at each end of the two flat cylinder fixed beams 16, which are fixed to the frame in parallel with each other through angle codes and T-bolts, so that the distance between the two flat cylinder fixed beams can be adjusted. There are two through holes on the fixed beam of the leveling roller, and the shafts at both ends of the two spring telescopic rollers pass through the through holes on the two roller beams respectively. The two spring telescopic rollers 17 are installed parallel to each other between the two leveling roller fixed beams 16; when the piston rod of the leveling cylinder is pushed to the bottom end, the leveling cylinder inner toothed roller 15 is located in the middle of the two spring telescopic rollers 17, the leveling cylinder inner toothed roller 15 and the two spring telescopic rollers are parallel to each other, and the leveling cylinder inner toothed roller is located between the two leveling roller fixed beams 16.

[0036] The clamping device includes a clamping cylinder 5 and a clamping cylinder push plate 6; the frame is provided with fixed through holes and air inlet and outlet holes corresponding to the positions and sizes on both sides of the clamping cylinder body, and the two sides of the clamping cylinder body are fixed to the frame by bolts, and the clamping cylinder push plate is provided with fixed through holes corresponding to the lower end of the clamping cylinder piston rod, and the lower end of the clamping cylinder piston rod is connected to the top of the clamping cylinder push plate by bolts; the surface of the clamping cylinder push plate 6 is provided with a rubber pad.

[0037] The folding device includes three downward-pressing cylinders 1, three optical axes 2, three flange linear bearings 3, a flange linear bearing fixing plate 4, three downward-pressing roller arch support frames 8, three movable internal-thread rollers 7, four fixed internal-thread rollers 9, four fixed roller brackets 10, and a folding roller fixed crossbeam 11; wherein the three downward-pressing cylinders 1 are parallel to each other and evenly spaced and fixed to the cylinder tripod 18 with bolts, and the cylinder tripod is fixedly connected to the frame with T-bolts. The flange linear bearing fixing plate 4 has cross-shaped straight slots at both ends, and the flange linear bearing fixing plate 4 is fixedly connected to the frame with T-bolts through the straight slots. The flange linear bearing fixing plate 4 has fixed through-holes corresponding to the flange linear bearings 3, and the opening position of the fixed through-holes is located directly in front of the piston rod of the downward-pressing cylinder. The three flange linear bearings are evenly spaced and fixed to the flange linear bearing fixing plate 4 with bolts through the fixed through-holes directly in front of the piston rod of the downward-pressing cylinder.

[0038] The top of the lower roller arch support frame 8 has a through hole that matches the size of the optical axis. The three optical axes 2 pass through the three flange linear bearings 3 and the through hole at the top of the lower roller arch support frame. The upper and lower ends of the through hole at the top of the lower roller arch support frame are respectively fixed to the optical axis with fixing rings. The top of the lower roller arch support frame 8 has a through hole that matches the diameter of the bottom end of the lower pressure cylinder piston rod. The lower pressure cylinder piston rod passes through the through hole at the top of the lower roller arch support and is fixed with a nut; the optical axis and the lower pressure cylinder piston rod are parallel to each other. The movable internal tooth roller 7 is installed inside the lower roller arch support frame 8; four fixed roller brackets 10 are installed directly below the lower roller arch support frame 8. The fixed roller brackets have through holes at the lower and middle ends, respectively. The fixed roller brackets 10 are fixed to the frame through the through holes with T-bolts; the fixed roller brackets are equidistant and parallel to each other. A through-hole is provided at each end of the folding drum fixed beam 11. The folding drum fixed beam 11 is mounted on the frame corresponding to the top of the fixed drum bracket 10 via angle brackets and T-bolts. A coaxial threaded through-hole is provided at the top of the fixed drum bracket 10 corresponding to the folding drum fixed beam 11. The fixed internal threaded rollers 9 are connected to the fixed drum bracket and the folding drum fixed beam 9 via bolts and threaded through-holes, respectively. The fixed internal threaded rollers are equidistant and parallel to each other.

[0039] The frame is assembled from 4040 aluminum profiles, and each aluminum profile is fixedly connected by angle brackets and T-bolts.

[0040] Working Principle: When a filter bag is delivered by the conveyor belt, the piston rod of clamping cylinder 5 first pushes the clamping cylinder push plate 6 against the frame to squeeze the bag, securing one end of the bag. Simultaneously, the piston rod of leveling cylinder 13 pushes the leveling cylinder inner roller 15 on the leveling cylinder bow support 14, which, together with two spring-loaded retractable rollers 17, flattens the bag. Finally, the piston rod of pressing cylinder 1 retracts, driving the fixed inner roller 9 on the pressing roller bow support 8 and the fixed inner roller 9 on the fixed roller bracket 10 to create a shear force on the filter bag, achieving comb-shaped folding. During this comb-shaped folding, the leveling action of leveling cylinder 13 is synchronized. The clamping cylinder 5, leveling cylinder 13, and pressing cylinder 1 are reset simultaneously, and the filter bag is manually removed, completing the comb-shaped folding process.

[0041] It is understood from common technical knowledge that the present invention may be implemented by other embodiments that do not depart from its spirit or essential features. Therefore, the embodiments disclosed above are, in all respects, merely illustrative and not exclusive. All modifications within the scope of the present invention or equivalent to the scope of the present invention are intended to be encompassed by the present invention.

Claims

1. A filter bag comb folding device, characterized in that It includes a leveling device, a clamping device, a folding device and a frame; The leveling device includes a leveling cylinder mounting plate, a leveling cylinder, a leveling cylinder bow-shaped support frame, a leveling cylinder inner tooth roller, a leveling roller fixed beam and a spring telescopic roller, wherein the leveling cylinder mounting plate is fixed to the frame, the top of the leveling cylinder body is fixed just below the leveling cylinder mounting plate, the lower end of the leveling cylinder piston rod is connected to the top of the leveling cylinder bow-shaped support frame, the leveling cylinder inner tooth roller is installed inside the leveling cylinder bow-shaped support frame, two leveling roller fixed beams are fixed to the frame in parallel with each other, and two spring telescopic rollers are installed between the two leveling roller fixed beams in parallel with each other; The clamping device includes a clamping cylinder and a clamping cylinder push plate; wherein both sides of the clamping cylinder body are fixed on the frame, and the lower end of the clamping cylinder piston rod is connected to the top of the clamping cylinder push plate; The folding device includes a downward pressure cylinder, an optical axis, a flange linear bearing, a flange linear bearing fixing plate, a downward pressure roller arch support frame, a movable inner tooth roller, a fixed inner tooth roller, a fixed roller bracket, and a folding roller fixed beam; wherein the downward pressure cylinder and the flange linear bearing fixing plate are fixed at intervals on the frame, the flange linear bearing is fixed on the top of the flange linear bearing fixing plate, the optical axis passes through the flange linear bearing and is connected to the top of the downward pressure roller arch support frame, the downward pressure cylinder piston rod is connected to the top of the downward pressure roller arch support frame, and the optical axis and the downward pressure cylinder piston rod are parallel to each other; the movable inner tooth roller is installed inside the downward pressure roller arch support frame; the fixed roller bracket is installed directly below the downward pressure roller arch support frame, the folding roller fixed beam is arranged on the frame corresponding to the top of the fixed roller bracket, and the fixed inner tooth roller is installed between the top of the fixed roller bracket and the folding roller fixed beam.

2. A filter bag comb folding device according to claim 1, characterized in that The frame is assembled from 4040 aluminum profiles, and each aluminum profile is fixedly connected by angle brackets and T-bolts.

3. A filter bag comb folding device according to claim 1, characterized in that Two straight slots are respectively opened at both ends of the flat cylinder mounting plate, and the flat cylinder mounting plate uses T-bolts to pass through the straight slots so that the flat cylinder mounting plate is slidably set on the frame; the flat cylinder mounting plate has a through hole corresponding to the top of the cylinder body, and is fixed with bolts.

4. A filter bag comb folding device according to claim 1 or 3, characterized in that The top of the flat cylinder bow-shaped support frame is connected to the lower end of the flat cylinder piston rod through bolt holes; the two sides of the flat cylinder bow-shaped support frame are connected to the flat cylinder inner toothed roller through bolt holes; when the flat cylinder piston rod is pushed to the bottom end, the flat cylinder inner toothed roller is located in the middle of the two spring telescopic rollers, the flat cylinder inner toothed roller and the two spring telescopic rollers are parallel to each other, and the flat cylinder inner toothed roller is located between the two flat roller fixed beams.

5. A filter bag comb folding device according to claim 1, characterized in that The frame is provided with fixed through holes and air inlet and outlet holes corresponding in position and size to the two sides of the clamping cylinder body, and the clamping cylinder body is fixedly connected to the frame by bolts; the clamping cylinder push plate is provided with fixed through holes corresponding to the lower end of the clamping cylinder piston rod, and the clamping cylinder push plate is connected to the clamping cylinder piston rod by bolts.

6. A filter bag comb folding device according to claim 1, characterized in that There are three downward pressure cylinders, which are parallel to each other and fixed on the frame at even intervals.

7. A filter bag comb folding device according to claim 1 or 6, characterized in that The optical axis and flange linear bearings are each provided with three, and the three flange linear bearings are fixed on the flange linear bearing fixing plate at even intervals corresponding to the three downward pressure cylinders; the flange linear bearing fixing plate has cross-cross straight slots at both ends, and the flange linear bearing fixing plate is fixedly connected to the frame using T-bolts through the straight slots.

8. The filter bag comb folding device according to claim 1, characterized in that The lower pressure roller bow support frame and the movable inner tooth roller are each provided with three, and a through hole matching the diameter of the bottom end of the piston rod of the lower pressure cylinder is opened on the top of the lower pressure roller bow support frame, and the piston rod of the lower pressure cylinder passes through the through hole at the top of the lower pressure roller bow support and is fixed with a nut; a through hole matching the size of the optical axis is opened on the top of the lower pressure roller bow support frame; the optical axis passes through the flange linear bearing and the through hole at the top of the lower pressure roller bow support frame, and the upper and lower ends of the through hole at the top of the lower pressure roller bow support frame are respectively fixed to the optical axis with fixing rings.

9. The filter bag comb folding device according to claim 1, characterized in that The fixed inner tooth rollers and the fixed roller brackets are both provided with four, the fixed roller brackets are equidistant and parallel to each other, and the fixed inner tooth rollers are equidistant and parallel to each other.

10. A filter bag comb folding device according to claim 1 or 9, characterized in that The lower end and the middle end of the fixed roller bracket are respectively provided with through holes, and the fixed roller bracket is fixedly connected to the frame through the through holes by using T-bolts.

Citation Information

Patent Citations

  • Propelling movement all -in -one is folded to filter bag

    CN207209506U

  • Stacking equipment for feed packaging

    CN211254470U