Cloth folding device

Abstract

A fabric folding device includes a first workbench and a first belt conveyor, a first folding mechanism, and a first pressing mechanism disposed on the first workbench. The first folding mechanism includes a first connecting plate, a lifting assembly, and a folding plate. The first connecting plate is slidably connected to the first workbench along its width direction. The lifting assembly is disposed on the first connecting plate. The folding plate is disposed on the lifting assembly and moves to its lowest and highest positions under the action of the lifting assembly. The first pressing mechanism includes a first support, a first driving device, and a first pressing strip. The first support is fixedly connected to the first workbench, the first driving device is fixedly connected to the first support, and the first pressing strip is fixedly connected to the first driving device. The first pressing strip moves up and down under the action of the first driving device, and its bottom surface abuts against the fabric. The side of the first pressing strip near the first folding structure is positioned opposite to the folding line of the fabric. Compared with existing folding devices, this device can reliably and accurately fold fabric.

Description

Technical Field

[0001] This utility model belongs to the field of folding device technology, and specifically relates to a fabric folding device. Background Technology

[0002] After the printed and dyed fabrics are processed, they need to be folded due to their large size for subsequent packaging.

[0003] Publication No. CN109179050A discloses a mechanical fabric folding mechanism. The folding components of this mechanism include a reciprocating cylinder and a folding frame. The reciprocating cylinder drives the folding frame to rotate reciprocally, thereby folding the fabric onto a base plate. This folding mechanism is suitable for continuously folding fabric along its length (folding fabric along its length results in the fabric's width remaining the same, but its length decreasing). If folding along its width, because the folding frame cannot secure the long side of the fabric, after rotating from a horizontal position to a vertical position, the fabric easily slips off the folding frame, causing deviations in the folding position, or even preventing folding altogether. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a fabric folding device.

[0005] To achieve the above objectives, this utility model discloses a fabric folding device, including a first workbench and a first belt conveyor, a first folding mechanism, and a first fabric pressing mechanism disposed on the first workbench.

[0006] The first folding mechanism includes a first connecting plate, a lifting assembly, and a folding plate; the first connecting plate is slidably connected to a first worktable along the width direction; the lifting assembly is disposed on the first connecting plate; the folding plate is disposed on the lifting assembly, and the folding plate moves downward to the lowest position and upward to the highest position under the action of the lifting assembly;

[0007] At the lowest position, the folding plate is located to the side of the width direction of the first belt conveyor, and the top surface of the folding plate is flush with the top surface of the first belt conveyor.

[0008] At the highest position, the folding plate is higher than the first belt conveyor and can move above the first belt conveyor under the drive of the connecting plate;

[0009] The first pressing mechanism includes a first support, a first driving device, and a first pressing strip. The first support is fixedly connected to the first workbench, the first driving device is fixedly connected to the first support, and the first pressing strip is fixedly connected to the first driving device. The first pressing strip moves up and down under the action of the first driving device. The bottom surface of the first pressing strip is used to abut against the fabric, and the side of the first pressing strip near the first folding structure is used to be positioned opposite to the folding line of the fabric.

[0010] Preferably, the length of the folding plate is adapted to the length of the fabric to be folded.

[0011] Preferably, the folding plate is detachably connected to the lifting assembly.

[0012] Preferably, the first folding mechanism further includes a guide plate, the guide plate is provided with a slide groove, the slide groove includes a straight groove and an inclined groove, the straight groove is horizontally arranged along the width direction, one end of the inclined groove is connected to the straight groove, and the other end of the inclined groove is inclined downward toward the side away from the straight groove;

[0013] The lifting assembly is a parallelogram-shaped linkage, including a first linkage, a first swing rod, a second linkage, and a second swing rod connected end to end. The first linkage is fixedly connected to the first connecting plate, and the second linkage is fixedly connected to the bottom of the folding plate. The first swing rod / second swing rod is provided with a sliding member, which is slidably disposed in the groove.

[0014] Preferably, the sliding element is a bearing.

[0015] Preferably, the output end of the first driving device is provided with a first connecting seat, and the first pressure bar is slidably connected to the first connecting seat from left to right.

[0016] Preferably, it further includes a second pressing mechanism, which includes a second support, a second driving device, a connecting frame, and rollers. The second support is fixedly connected to the first belt conveyor, the second driving device is fixedly connected to the second support, and the connecting frame is fixedly connected to the output end of the second driving device. The connecting frame moves up and down under the action of the second driving device, and the rollers rotate horizontally along the width direction and are connected to the connecting frame.

[0017] Preferably, it also includes a feeding mechanism, which includes a second workbench and a second belt conveyor device disposed on the second workbench, wherein the second belt conveyor device is continuously arranged with the first belt conveyor device.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] When this folding device folds the fabric, the lifting assembly moves the folding plate to its lowest position, at which point the top surface of the folding plate is flush with the top surface of the first belt conveyor, allowing both to hold the fabric. Next, the first driving device drives the first pressure bar downwards to contact the fabric, at which point the side of the first pressure bar near the first folding structure is aligned with the fold line of the fabric. Then, the lifting assembly moves the folding plate upwards, making it higher than the first belt conveyor. The first connecting plate also moves closer to the first belt conveyor, thus pushing the fabric from the bottom towards the first conveyor and folding it until the fabric on the folding plate is folded onto the first belt conveyor. After folding, the folded fabric can be removed via the first belt conveyor.

[0020] By setting the first pressure strip to contact the fabric, the position of the fold line of the fabric can be constrained. The folding plate pushes the fabric from below near the fold line to gradually fold it, preventing it from slipping during the folding process and improving the stability and accuracy of the folding process. Attached Figure Description

[0021] Figure 1 This is a schematic diagram illustrating the folding process of a printed and dyed fabric as an example.

[0022] Figure 2 This is a three-dimensional structural diagram of the fabric folding device in the embodiment.

[0023] Figure 3 for Figure 2 A schematic diagram of the structure of the first worktable and corresponding devices of the apparatus;

[0024] Figure 4 for Figure 3 A three-dimensional structural diagram of the first folding mechanism;

[0025] Figure 5 for Figure 4 A three-dimensional exploded view of the first folding mechanism;

[0026] Figure 6 for Figure 3 A three-dimensional structural diagram of the first pressing mechanism in the middle;

[0027] Figure 7 for Figure 3 A magnified view of a portion of point A in the middle;

[0028] Figure 8 for Figure 2 A three-dimensional structural diagram of the feeding mechanism;

[0029] Figure 9 for Figure 2 A structural schematic diagram of the third workbench and its corresponding devices;

[0030] Figure 10 for Figure 9 A magnified view of a section at point B in the middle;

[0031] Figure 11 for Figure 9 A schematic diagram of the second folding mechanism;

[0032] First workbench 100;

[0033] First belt conveyor device 200;

[0034] First folding mechanism 300; second connecting seat 310; guide plate 311; slide 312; straight groove 3121; inclined groove 3122; first connecting plate 320; lifting assembly 330; first connecting rod 331; first swing rod 332; sliding member 3321; second connecting rod 333; second swing rod 334; folding plate 340;

[0035] First pressing mechanism 400; first support 410; first driving device 420; first connecting seat 430; first pressing strip 440;

[0036] Second pressing mechanism 500; second support 510; second drive device 520; connecting frame 530; roller 540;

[0037] Feeding mechanism 600; Second workbench 610; Second belt conveyor 620;

[0038] Third workbench 700;

[0039] Third belt conveyor device 800;

[0040] Third pressing mechanism 900; Third driving device 910; Fourth driving device 920; Second pressing strip 930;

[0041] Second folding mechanism 1000; rotation drive device 1100; flipping claw 1200; rotating shaft 1210; protrusion 1220; flipping bar 1230. Detailed Implementation

[0042] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0043] This embodiment provides a device capable of folding the aforementioned fabric, see [link to documentation]. Figures 2-11 The device includes a first workbench 100 and a first belt conveyor 200, a first folding mechanism 300 and a first fabric pressing mechanism 400 disposed on the first workbench 100.

[0044] The first belt conveyor 200 uses an existing belt conveyor, which will not be described in detail here. For ease of explanation, the length direction below refers to the belt conveying direction of the first belt conveyor 200, and the width direction is the direction that is horizontal and perpendicular to the length direction.

[0045] The first folding mechanism 300 includes a second connecting seat 310, a first connecting plate 320, a lifting assembly 330, and a folding plate 340. The second connecting seat 310 is fixedly connected to the first worktable 100; the first connecting plate 320 is slidably connected to the second connecting seat 310 along the width direction via a guide rail slider, and is thus installed on the first worktable 100, and can move along the width direction under the action of a cylinder; the lifting assembly 330 is disposed on the first connecting plate 320; the folding plate 340 is disposed on the lifting assembly 330, and the folding plate 340 can move downward to the lowest position and upward to the highest position under the action of the lifting assembly 330; at the lowest position, the folding plate 340 is located beside the first belt conveyor 200 in the width direction, and the top surface of the folding plate 340 is flush with the top surface of the first belt conveyor 200, so as to jointly support the fabric; at the highest position, the folding plate 340 is higher than the first belt conveyor 200 and can move above the first belt conveyor 200 under the action of the connecting plate.

[0046] The first pressing mechanism 400 includes a first support 410, a first driving device 420, a first connecting seat 430, and a first pressing strip 440. The first support 410 is fixedly connected to the first workbench 100 and located behind the folding plate 340 (the belt of the first belt conveyor 200 moves forward in one direction and backward in the other). The first driving device 420 is preferably a telescopic cylinder, which is fixedly connected to the first support 410. The first connecting seat 430 is fixedly connected to the piston rod of the first driving device 420. The first pressing strip 440 is slidably connected to the first connecting seat 430. During installation, the position of the first pressing strip 440 is adjusted along the width direction so that the first pressing strip 440 is located above the first belt conveyor 200, and the side of the first pressing strip 440 near the first folding structure is opposite to the folding line of the fabric.

[0047] Before the fabric is fed, the lifting assembly 330 moves the folding plate 340 to its lowest position, at which point the top surface of the folding plate 340 is flush with the top surface of the first belt conveyor 200, allowing both to hold the fabric. When folding the fabric along its width, the first driving device 420 drives the first pressure strip 440 downward to contact the fabric (pressure can be applied or only contact without pressure). At this time, the side of the first pressure strip 440 near the first folding structure is positioned opposite the folding line of the fabric. Then, the lifting assembly 330 moves the folding plate 340 upward, making it higher than the belt of the first belt conveyor 200. The first connecting plate 320 also moves towards the side closer to the first belt conveyor 200. Thus, the folding plate 340 pushes the fabric from the bottom, folding it towards the first conveyor with the folding line as the center line, until the fabric on the folding plate 340 is folded onto the first belt conveyor 200. After folding, the first pressure strip 440 is slightly raised so that the first belt conveyor 200 can remove the folded fabric.

[0048] By setting the first pressure strip 440 to contact the fabric, the position of the fold line of the fabric can be constrained. The folding plate 340 pushes the fabric from below near the fold line to gradually fold it, preventing it from slipping during the folding process and improving the stability and accuracy of the folding process.

[0049] The length of the folding plate 340 is adapted to the length of the fabric to be folded, preventing the fabric end from hanging, drooping, or shifting due to the folding plate being too short, while also avoiding redundant weight or wasted space due to excessive length. To ensure that this side of the folding plate is adapted to the length of the first belt conveyor, a support platform is provided on the first worktable near the feeding mechanism. After the fabric is fed, it first passes through the support platform and then moves onto the folding plate. When it is completely on the folding plate, the folding plate folds. The folding plate 340 is detachably connected to the lifting assembly 330, for example, by screws, which facilitates maintenance and replacement of the folding plate 340.

[0050] The first pressure strip 440 is located on the side of the first folding structure above the first belt conveyor 200. In other words, when the fabric is placed on the first belt conveyor 200, most of the fabric is on the belt of the first belt conveyor 200, which ensures that the fabric can be reliably conveyed by the first belt conveyor 200 before it is folded.

[0051] In this embodiment, the second connecting seat 310 is U-shaped, with guide plates 311 on both sides. The guide plate 311 has a sliding groove 312, which includes a straight groove 3121 and an inclined groove 3122. The straight groove 3121 is horizontally arranged along its width direction, one end of the inclined groove 3122 communicates with the straight groove 3121, and the other end of the inclined groove 3122 is inclined downwards away from the straight groove 3121. The lifting assembly 330 is a parallelogram-shaped connecting rod, including a first connecting rod 331, a first swing rod 332, a second connecting rod 333, and a second swing rod 334 connected end-to-end. The first connecting rod 331 is fixedly connected to the first connecting plate 320, and the second connecting rod 333 is fixedly connected to the bottom of the folding plate 340 and away from the first belt conveyor 200. The angle between the straight groove 3121 and the inclined groove 3122 is smaller than the angle between the straight groove 3121 and the first swing rod 332. The first swing rod 332 is equipped with a sliding member 3321, which is slidably disposed within the groove 312. In the normal state (i.e., when the folding plate 340 is at its lowest position, with its top surface flush with the top surface of the first belt conveyor 200), the sliding member 3321 is located at the end of the inclined groove 3122 away from the straight groove 3121. When the first connecting plate 320 moves closer to the first belt conveyor 200, the sliding member 3321 moves along the inclined groove 3122. During this process, the sliding member 3321 drives the first swing rod 332 and the quadrilateral connecting rod to rotate upwards, thereby lifting the folding plate 340. When the sliding member 3321 moves to the position of the straight groove 3121, the folding plate 340 is lifted to its highest position. Then, the sliding member 3321 moves along the straight groove 3121, and the folding plate 340 moves towards the first belt conveyor 200 to fold the fabric. The above-mentioned quadrilateral connecting rod and guide groove structure are used to achieve the folding plate lifting and lowering at 340 degrees, and the operation process is smooth.

[0052] Among them, the sliding component 3321 is a bearing. The rolling friction characteristics of the bearing are much lower than those of the sliding friction, which can significantly reduce the movement resistance of the sliding component 3321 in the slide groove 312, making the lifting component 330 drive the folding plate 340 more smoothly and respond more sensitively.

[0053] In this embodiment, the device further includes a second fabric pressing mechanism 500, which includes a second support 510, a second driving device 520, a connecting frame 530, and a roller 540. The second support 510 is fixedly connected to the output end of the first belt conveyor 200. The second driving device 520 can be a telescopic cylinder, which is fixedly connected to the second support 510. The connecting frame 530 is fixedly connected to the output end of the second driving device 520 and moves up and down under the action of the second driving device 520. The roller 540 rotates horizontally along the width direction and is connected to the connecting frame 530. Before the fabric is moved out of the first belt conveyor 200, the roller 540 is driven to a position close to the belt. When the fabric is moved out, it is rolled by the roller 540, which can compact the folded corner positions so as to facilitate subsequent folding along the length direction.

[0054] In this embodiment, a feeding mechanism 600 is also included. The feeding mechanism 600 includes a second workbench 610 and a second belt conveyor 620 disposed on the second workbench 610. The second belt conveyor 620 is continuously arranged with the first belt conveyor 200. After the fabric is placed on the second belt conveyor 620, it can be conveyed to the first belt conveyor to realize feeding.

[0055] This embodiment also includes a third workbench 700, on which a third belt conveyor 800, a second folding mechanism 1000, and a third pressing mechanism 900 are provided. The second belt conveyor 620 differs from the first belt conveyor 200 in that the belt of the third belt conveyor 800 consists of multiple thin belts spaced apart. The second folding mechanism 1000 is located within the belt and includes a rotary drive 1100 and a flipping claw 1200. The rotary drive 1100 can be a motor; in this embodiment, a rack and pinion drive a gear to rotate, thereby rotating the shaft of the flipping claw 1200. The flipping claw 1200 includes a shaft 1210, multiple protrusions 1220, and multiple flipping strips 1230. Each flipping strip 1230 is mounted on a protrusion 1220 and positioned in the gap between two thin belts. The shaft of the flipping claw 1200 is mounted on the rotary drive 1100 and can rotate under the action of the rotary drive 1100. The third pressing mechanism 900 is located beside the second folding mechanism 1000 in the width direction. It includes a third driving device 910, a fourth driving device 920, and a second pressing strip 930. Both the third driving device 910 and the fourth driving device 920 can be cylinders. The third driving device 910 is fixedly connected to the third workbench 700, and the fourth driving device 920 is mounted on the third driving device 910. The second pressing strip 930 is fixedly connected to the fourth driving device 920. Under the action of the third and fourth driving devices 920, the second pressing strip 930 can move in the width direction and vertical direction, thereby moving to the top of the third belt conveyor 800 and then moving downward to press the fabric, and moving the second pressing strip 930 away from the third belt conveyor 800 to avoid affecting the fabric feeding. Under normal conditions, the flipping strips 1230 of the flipping claw 1200 are horizontally positioned within the belt. When the fabric is conveyed onto the third belt conveyor 800, the second pressure strip 930 presses the fabric firmly against the folding line under the action of the third and fourth drive devices 920. Then, the rotation drive device 1100 drives the flipping claw 1200 to rotate outward, thereby folding the fabric. Because the second pressure strip presses the fabric firmly, the fabric will not slip after the flipping claw 1200 rotates rapidly, ensuring the folding effect. Due to the presence of the protrusion 1220, after the flipping claw rotates and folds, the top surface of the protrusion is flush with the top surface of the second pressure strip, allowing the flipping claw to rotate until it is flat against the second pressure strip.

[0056] Figure 1 Both sides of the fabric are folded, therefore two sets of the second folding mechanism 1000 and the third pressing mechanism 900 are provided, allowing simultaneous folding of both sides along the length of the fabric. After folding, it needs to be folded in half again, which can be completed using the same second folding mechanism 1000 and third pressing mechanism 900, resulting in the final finished fabric. Figure 1 Folding of fabric.

[0057] The above description is only a preferred embodiment of the present utility model, and its structure is not limited to the shapes listed above. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A fabric folding device, characterized in that: It includes a first workbench and a first belt conveyor, a first folding mechanism and a first pressing mechanism disposed on the first workbench; The first folding mechanism includes a first connecting plate, a lifting assembly, and a folding plate; the first connecting plate is slidably connected to a first worktable along the width direction; the lifting assembly is disposed on the first connecting plate; the folding plate is disposed on the lifting assembly, and the folding plate moves downward to the lowest position and upward to the highest position under the action of the lifting assembly; At the lowest position, the folding plate is located to the side of the width direction of the first belt conveyor, and the top surface of the folding plate is flush with the top surface of the first belt conveyor. At the highest position, the folding plate is higher than the first belt conveyor and can move above the first belt conveyor under the drive of the connecting plate; The first pressing mechanism includes a first support, a first driving device, and a first pressing strip. The first support is fixedly connected to the first workbench, the first driving device is fixedly connected to the first support, and the first pressing strip is fixedly connected to the first driving device. The first pressing strip moves up and down under the action of the first driving device. The bottom surface of the first pressing strip is used to abut against the fabric, and the side of the first pressing strip near the first folding structure is used to be positioned opposite to the folding line of the fabric.

2. The fabric folding device according to claim 1, characterized in that: The length of the folding plate is adapted to the length of the fabric to be folded.

3. The fabric folding device according to claim 1, characterized in that: The folding plate is detachably connected to the lifting assembly.

4. The fabric folding device according to claim 1, characterized in that: The first folding mechanism further includes a guide plate, the guide plate is provided with a slide groove, the slide groove includes a straight groove and an inclined groove, the straight groove is horizontally arranged along the width direction, one end of the inclined groove is connected to the straight groove, and the other end of the inclined groove is inclined downwards to the side away from the straight groove; The lifting assembly is a parallelogram-shaped linkage, including a first linkage, a first swing rod, a second linkage, and a second swing rod connected end to end. The first linkage is fixedly connected to the first connecting plate, and the second linkage is fixedly connected to the bottom of the folding plate. The first swing rod / second swing rod is provided with a sliding member, which is slidably disposed in the groove.

5. The fabric folding device according to claim 4, characterized in that: The sliding component is a bearing.

6. The fabric folding device according to claim 1, characterized in that: The output end of the first driving device is provided with a first connecting seat, and the first pressure bar is slidably connected to the first connecting seat from left to right.

7. The fabric folding device according to claim 1, characterized in that: It also includes a second pressing mechanism, which includes a second support, a second driving device, a connecting frame and rollers. The second support is fixedly connected to the first belt conveyor, the second driving device is fixedly connected to the second support, and the connecting frame is fixedly connected to the output end of the second driving device. The connecting frame moves up and down under the action of the second driving device, and the rollers rotate horizontally along the width direction and are connected to the connecting frame.

8. The fabric folding device according to claim 1, characterized in that: It also includes a feeding mechanism, which includes a second workbench and a second belt conveyor device disposed on the second workbench. The second belt conveyor device is continuously arranged with the first belt conveyor device.

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