Pocket folding device and pocket patching machine

Abstract

The utility model provides a pocket folding device and a pocket patching machine, and belongs to the technical field of sewing equipment. The folding device comprises a bottom plate, a first driving part, a second driving part and a third driving part are arranged on the bottom plate, a first folding knife, a second folding knife and a third folding knife which extend in the transverse direction are arranged on the first driving part, the second driving part and the third driving part respectively, the first folding knife and the second folding knife are oppositely arranged, and the first folding knife, the second folding knife and the third folding knife correspond to one side edge of the bottom plate respectively. According to the folding device, the corresponding folding knives are driven by the driving pieces to fold the three edges of the pocket, the whole process is automatically operated, the working efficiency is high, and the operation convenience is well improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewing equipment and relates to a pocket folding device and a patch pocket machine. Background Art

[0002] During the process of sewing clothes, it is often necessary to sew pockets. Before sewing the pockets, the three sides of the pocket cloth need to be folded, and then the three sides of the pocket cloth are sewn with other fabrics to form pockets.

[0003] The patent document with the application number 202221103999.9 provides a sewing template for three-dimensional pockets, which includes a support plate and a main board. A material placing groove is formed in the middle of the main board; the main board includes two overlapping upper and lower laminates, and two movable forming pieces are arranged side by side in the gap between the two laminates; the forming piece includes a hand-pushing part located outside the two laminates and a pressing part that can extend into the material placing groove and fold the edge of the pocket; a first guide plate and a second guide plate for guiding the movement of the forming piece are arranged between the two laminates.

[0004] The disadvantage of the above sewing template is that it needs to be folded manually, which is inconvenient to operate. Summary of the Invention

[0005] In view of the above problems existing in the prior art, the utility model provides a pocket folding device. The technical problem to be solved by the utility model is: how to improve the convenience of folding.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] A pocket folding device includes a bottom plate. It is characterized in that a first driving member, a second driving member and a third driving member are respectively arranged on the bottom plate, and a first folding knife, a second folding knife and a third folding knife that all extend horizontally are respectively arranged on the first driving member, the second driving member and the third driving member. The first folding knife and the second folding knife are arranged oppositely, and the first folding knife, the second folding knife and the third folding knife respectively correspond to a side edge of the bottom plate.

[0008] Its working principle is: This folding device is installed on the frame of the patch pocket machine and is driven by a flipping device. It can flip and move up and down and is used in cooperation with a tongue plate telescopic device.

[0009] The patch pocket machine includes a workbench and a tongue plate telescopic device. When in use, the bottom of the tongue plate telescopic device is slightly higher than the workbench. A large body fabric is placed on the workbench below the tongue plate telescopic device, and a pocket fabric is placed on the tongue plate telescopic device. Three adjacent sides of the pocket fabric extend downward from the corresponding three edges of the tongue plate telescopic device respectively. Driven by the flipping device, the folding device moves downward until its bottom plate presses tightly on the pocket fabric. Then, the driving member one, the driving member two, and the driving member three respectively drive the folding knife one, the folding knife two, and the folding knife three to move towards the direction close to the pocket fabric until the folding knife one, the folding knife two, and the folding knife three respectively fold the corresponding sides of the pocket fabric towards the direction close to the tongue plate telescopic device. Then, the folding device and the tongue plate telescopic device descend together, so that the three edges of the pocket fabric contact the large body fabric and are pressed tightly on the workbench by the tongue plate telescopic device. At this time, the folding is completed, and each driving member drives the corresponding folding knife to reset respectively, and the flipping device drives the folding device away from the tongue plate telescopic device.

[0010] This folding device drives the corresponding folding knives through the driving members to complete the folding of the three sides of the pocket. The whole process is automated, with high work efficiency and greatly improving the convenience of operation.

[0011] In the above-mentioned folding device for a pocket, the bottom plate includes three adjacent side edges, and a first limiting plate, a second limiting plate, and a third limiting plate are respectively arranged on each side edge. The first limiting plate, the second limiting plate, and the third limiting plate all extend vertically. The folding knife one is located below the first limiting plate, the folding knife two is located below the second limiting plate, and the folding knife three is located below the third limiting plate.

[0012] A limiting plate is respectively arranged on each side edge of the bottom plate. The three limiting plates play a good role in shaping the three sides of the pocket fabric, facilitating the corresponding folding knives to fold the corresponding sides of the pocket fabric.

[0013] The lower part includes directly below, front below, and rear below. After the folding knives move, their positions change, and the folding knives may be in front below, directly below, or rear below of the corresponding limiting plates.

[0014] In the above-mentioned folding device for a pocket, the bottoms of the first limiting plate, the second limiting plate, and the third limiting plate are flush with each other.

[0015] This structure can ensure that the heights of the three sides of the three-dimensional pocket after folding are the same, and the sewn pocket is more beautiful.

[0016] In the above-mentioned folding device for a pocket, a fourth driving member and a fifth driving member are further arranged on the bottom plate. The fourth driving member is located between the first driving member and the third driving member, and the fifth driving member is located between the second driving member and the third driving member. Corner folding knives are respectively arranged on the fourth driving member and the fifth driving member, and the corner folding knives extend horizontally.

[0017] Driven by the driving member four and the driving member five, the corner folding knife folds the corners of two adjacent sides of the pocket fabric respectively. At this time, there is a chamfer between the edges of the folded pocket.

[0018] In the above-mentioned folding device for a pocket, the driving member one includes a cylinder and a connecting block. The connecting block includes a vertical plate and a horizontal plate connected to each other. The vertical plate is installed on the piston rod of the cylinder, and the folding knife one is installed at the bottom of the horizontal plate.

[0019] The structures of the driving member two, the driving member three, the driving member four and the driving member five can be the same as that of the driving member one.

[0020] As other embodiments, the cylinder can also be replaced by an oil cylinder or a linear motor.

[0021] The present utility model also provides a pocket attaching machine, which includes any one of the above-mentioned pocket folding devices.

[0022] Compared with the prior art, the advantages of the present utility model are as follows:

[0023] 1. This folding device drives the corresponding folding knife to complete the folding of three sides of the pocket through the driving member. The whole process is automated, with high working efficiency and greatly improving the convenience of operation.

[0024] 2. The limiting plates of this folding device play a good role in shaping the three sides of the pocket fabric. After folding, the heights of the three sides of the three-dimensional pocket are the same, and the sewn pocket is more beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of this folding device in Embodiment 1;

[0026] Figure 2 is a top view of the folding device;

[0027] Figure 3 is a schematic structural diagram of this folding device in Embodiment 2.

[0028] In the figure: 1 driving member one, 2 driving member two, 3 driving member three, 4 folding knife one, 5 folding knife two, 6 folding knife three, 7 limiting plate one, 8 limiting plate two, 9 limiting plate three, 10 driving member four, 11 driving member five, 12 corner folding knife, 13 connecting block, 14 vertical plate, 15 horizontal plate, 16 bottom plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The following are specific embodiments of the present utility model, and the technical solutions of the present utility model will be further described in conjunction with the drawings, but the present utility model is not limited to these embodiments.

[0030] Embodiment 1

[0031] As shown Figure 1-2 in the figure, this folding device includes a bottom plate 16. On the bottom plate 16, a first driving member 1, a second driving member 2, and a third driving member 3 are respectively arranged. On the first driving member 1, the second driving member 2, and the third driving member 3, a first folding knife 4, a second folding knife 5, and a third folding knife 6 that all extend horizontally are respectively arranged. The first folding knife 4 and the second folding knife 5 are arranged oppositely. The first folding knife 4, the second folding knife 5, and the third folding knife 6 respectively correspond to one side edge of the bottom plate 16.

[0032] This folding device is installed on the frame of the patch pocket machine and is driven by a flipping device. It can flip and move up and down, and is used in cooperation with the tongue plate telescopic device.

[0033] The patch pocket machine includes a workbench and a tongue plate telescopic device. During use, the bottom of the tongue plate telescopic device is slightly higher than the workbench. A large body fabric is placed on the workbench below the tongue plate telescopic device, and a pocket fabric is placed on the tongue plate telescopic device. Three adjacent sides of the pocket fabric respectively extend downward from the corresponding three edges of the tongue plate telescopic device. Driven by the flipping device, the folding device moves downward until its bottom plate 16 presses tightly on the pocket fabric. Then, the first driving member 1, the second driving member 2, and the third driving member 3 respectively drive the first folding knife 4, the second folding knife 5, and the third folding knife 6 to move towards the direction close to the pocket fabric until the first folding knife 4, the second folding knife 5, and the third folding knife 6 respectively fold the corresponding sides of the pocket fabric towards the direction close to the tongue plate telescopic device. Then, the folding device and the tongue plate telescopic device descend together, so that the three edges of the pocket fabric contact the large body fabric and are pressed tightly on the workbench by the tongue plate telescopic device. At this time, the folding is completed, and each driving member drives the corresponding folding knife to reset, and the flipping device drives the folding device away from the tongue plate telescopic device.

[0034] As shown Figure 1 in the figure, in this embodiment, the bottom plate 16 includes three adjacent side edges. On each side edge, a first limiting plate 7, a second limiting plate 8, and a third limiting plate 9 are respectively arranged. The first limiting plate 7, the second limiting plate 8, and the third limiting plate 9 all extend vertically. The first folding knife 4 is located below the first limiting plate 7, the second folding knife 5 is located below the second limiting plate 8, and the third folding knife 6 is located below the third limiting plate 9.

[0035] A limiting plate is respectively arranged on each side edge of the bottom plate 16. The three limiting plates play a good role in shaping the three sides of the pocket fabric, which is convenient for the corresponding folding knife to fold the corresponding side of the pocket fabric.

[0036] Below includes directly below, front below, and rear below. After the folding knife moves, its position changes, and the folding knife may be in the front below, directly below, or rear below of the corresponding limiting plate.

[0037] As shown Figure 1As shown, in this embodiment, the bottoms of the first limiting plate 7, the second limiting plate 8, and the third limiting plate 9 are flush with each other. The first folding knife 4 and the second folding knife 5 are located on the same plane, and the third folding knife 6 is slightly lower than the first folding knife 4 and the second folding knife 5, and the three are basically on the same plane.

[0038] This structure can ensure that the heights of the three sides of the three-dimensional pocket after folding are the same, and the sewn pocket is more beautiful.

[0039] As Figure 1 shown, in this embodiment, the first driving member 1 includes a cylinder and a connecting block 13. The connecting block 13 includes a vertical plate 14 and a horizontal plate 15 connected to each other. The vertical plate 14 is installed on the piston rod of the cylinder, and the first folding knife 4 is installed at the bottom of the horizontal plate 15.

[0040] The structures of the second driving member 2, the third driving member 3, the fourth driving member 10, and the fifth driving member 11 can be the same as those of the first driving member 1.

[0041] As another embodiment, the cylinder can also be replaced by an oil cylinder or a linear motor.

[0042] Embodiment Two

[0043] The structure and principle of this embodiment are basically the same as those of Embodiment One. The difference is that, as Figure 3 shown, a fourth driving member 10 and a fifth driving member 11 are further provided on the bottom plate 16. The fourth driving member 10 is located between the first driving member 1 and the third driving member 3, and the fifth driving member 11 is located between the second driving member 2 and the third driving member 3. Corner folding knives 12 are respectively provided on the fourth driving member 10 and the fifth driving member 11, and the corner folding knives 12 extend horizontally.

[0044] Driven by the fourth driving member 10 and the fifth driving member 11, the corner folding knives 12 respectively fold the corners of the adjacent two sides of the pocket fabric. At this time, there is a chamfer between the edges of the folded pocket.

[0045] The present utility model also provides a pocket-attaching machine, which includes the folding device of any one of the above-mentioned pockets.

[0046] The specific embodiments described herein are merely illustrative of the spirit of the present utility model. Those skilled in the technical field to which the present utility model belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present utility model or exceed the scope defined by the appended claims.

Claims

1. A pocket folding device, comprising a bottom plate (16), characterized in that: The bottom plate (16) is provided with a driving member 1 (1), a driving member 2 (2) and a driving member 3 (3), respectively. The driving member 1 (1), the driving member 2 (2) and the driving member 3 (3) are provided with a folding knife 1 (4), a folding knife 2 (5) and a folding knife 3 (6) extending in the transverse direction, respectively. The folding knife 1 (4) and the folding knife 2 (5) are arranged opposite to each other. The folding knife 1 (4), the folding knife 2 (5) and the folding knife 3 (6) respectively correspond to one of the bottom plate (16). The bottom plate (16) includes three adjacent sides, each of which is respectively provided with a limit plate 1 (7), a limit plate 2 (8) and a limit plate 3 (9), wherein the limit plate 1 (7), the limit plate 2 (8) and the limit plate 3 (9) all extend vertically, the folding knife 1 (4) is located below the limit plate 1 (7), the folding knife 2 (5) is located below the limit plate 2 (8), and the folding knife 3 (6) is located below the limit plate 3 (9).

2. A pocket folding device according to claim 1, characterized in that: The bottoms of the limiting plate 1 (7), the limiting plate 2 (8) and the limiting plate 3 (9) are flush with each other.

3. A pocket folding device according to claim 1 or 2, characterized in that: A driving member four (10) and a driving member five (11) are also provided on the bottom plate (16), wherein the driving member four (10) is located between the driving member one (1) and the driving member two (2), and the driving member five (11) is located between the driving member two (2) and the driving member three (3). The driving member four (10) and the driving member five (11) are respectively provided with a corner folding knife (12), and the corner folding knife (12) extends in the transverse direction.

4. A pocket folding device according to claim 1 or 2, characterized in that: The driving member 1 (1) comprises a cylinder and a connecting block (13), the connecting block (13) comprises a vertical plate (14) and a horizontal plate (15) connected to each other, the vertical plate (14) is installed on the piston rod of the cylinder, and the folding knife 1 (4) is installed at the bottom of the horizontal plate (15).

5. A pocket sticking machine, characterized in that: The pocket sticking machine comprises a pocket folding device as claimed in any one of claims 1-4.

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