Cloth folding device and bag opening machine

Abstract

The utility model provides a cloth folding device and a pocket opening machine, and belongs to the technical field of sewing equipment. The cloth folding device comprises a base, the base is provided with a front slotting tool, a rear slotting tool, a left slotting tool and a right slotting tool which can move, the base is provided with a first finger air cylinder, the first finger air cylinder is provided with two first clamping jaws, each first clamping jaw is provided with a first connecting rod and a second connecting rod, and the first connecting rods and the second connecting rods are movably connected to the base. A left slotting tool and a right slotting tool are installed on the first connecting rod and the second connecting rod respectively. According to the cloth folding device, the left slotting tool and the right slotting tool can be driven to move at the same time through the first finger air cylinder, and folding of pocket cloth is completed under the condition that the structure is simplified.

Description

Technical Field

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

[0002] In the process of clothing production, pockets often need to be sewn. During the processing of pockets, the pocket fabric needs to be cut first, then the pocket fabric is folded by a folding mechanism, and then the pocket fabric is sewn by a sewing mechanism. Regarding the working principle of the folding mechanism, reference can be made to a bag folding mechanism of a bag lifting machine disclosed in application number 202220630108.9.

[0003] The disadvantage of the above-mentioned bag folding mechanism is that the cloth folding knife needs to be driven by a cylinder respectively, and many parts and driving sources are used, and the structure is relatively complicated. Summary of the invention

[0004] The utility model aims at the above problems existing in the prior art and provides a cloth folding device. The technical problem to be solved by the utility model is: how to simplify the structure.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A cloth folding device, comprising a base, on which are provided a front knife, a rear knife, a left knife and a right knife, all of which are movable. The invention is characterized in that a finger cylinder 1 is provided on the base, and the finger cylinder 1 has two clamping claws 1, and each clamping claw 1 is respectively mounted with a connecting rod 1 and a connecting rod 2, and the connecting rod 1 and the connecting rod 2 are movably connected to the base, and the left knife and the right knife are respectively mounted on the connecting rod 1 and the connecting rod 2.

[0007] In the cloth folding device, the movable front knife, rear knife, left knife and right knife are used to fold the pocket cloth. Under the drive of the finger cylinder one, the two clamping claws one can move towards each other or move in the opposite direction. The two clamping claws one drive the left knife and the right knife to move closer or farther away from each other at the same time through the connecting rod one and the connecting rod two respectively.

[0008] The cloth folding device can drive the left inserting knife and the right inserting knife to move simultaneously through a finger cylinder 1, so that the two are close to each other or away from each other, and the folding of the pocket cloth is completed under the condition of simplified structure.

[0009] In the above-mentioned cloth folding device, a second finger cylinder is further provided on the base, and the second finger cylinder has two second clamping jaws, and the front inserting knife and the rear inserting knife are respectively installed on each second clamping jaw.

[0010] Driven by the finger cylinder 2, the two clamping jaws 2 can move toward each other or in the opposite direction, and the two clamping jaws 2 respectively drive the front inserting knife and the rear inserting knife to move closer or farther away from each other at the same time.

[0011] The cloth folding device can drive the front inserting knife and the rear inserting knife to move simultaneously through a finger cylinder 2, so that the two are close to or away from each other, and the pocket cloth is folded under the condition of a simplified structure.

[0012] In the above-mentioned cloth folding device, a guide rail 1 is installed at the bottom of the base, a connecting block 1 and a connecting block 2 are respectively installed on each clamping jaw 2, the front insert knife and the rear insert knife are respectively installed on the connecting block 1 and the connecting block 2, and the connecting block 1 and the connecting block 2 are respectively slidably connected to the guide rail 1.

[0013] The front insert knife is installed on one clamping jaw 2 through the connecting block 1, and the rear insert knife is installed on the other clamping jaw 2 through the connecting block 2. The guide rail pair guides the connecting block 1 and the connecting block 2 to improve the stability of the front insert knife and the rear insert knife when they move.

[0014] As an embodiment, a slider is installed on the connection block 1 and the connection block 2 respectively, and the slider is slidably connected to the guide rail 1, that is, the connection block 1 and the connection block 2 are slidably connected to the guide rail 1 through the slider.

[0015] In the above-mentioned cloth folding device, cylinder three is respectively installed at the bottom of the connecting rod one and the connecting rod two, and the left inserting knife and the right inserting knife are respectively installed on the piston rod of a corresponding cylinder three.

[0016] The left inserting knife is installed on the connecting rod one through a cylinder three, and the right inserting knife is installed on the connecting rod two through another cylinder three. When folding the material, each cylinder three drives the left inserting knife and the right inserting knife to move downward and insert into the pocket.

[0017] In the above-mentioned cloth folding device, guide rail 2 and guide rail 3 are installed at the bottom of the base, connecting block 3 and connecting block 4 are installed at the bottom of connecting rod 1 and connecting rod 2 respectively, and cylinder 3 is installed at the bottom of connecting block 3 and connecting block 4 respectively, and connecting block 3 and connecting block 4 are slidably connected to guide rail 2 and guide rail 3 respectively.

[0018] One cylinder three is installed on connecting rod one through connecting block three, and another cylinder three is installed on connecting rod two through connecting block four. Guide rails three and four respectively guide connecting block three and connecting block four, thereby improving the stability of connecting rod one and connecting rod two when moving, and also improving the stability of left inserter and right inserter when moving.

[0019] As an embodiment, the connection block three is slidably connected to the guide rail two via a slider, and the connection block four is slidably connected to the guide rail three via a slider.

[0020] In the above-mentioned cloth folding device, it also includes a mounting seat, on which a cylinder four is arranged, the piston rod of the cylinder four extends vertically, a connecting seat is installed on the piston rod of the cylinder four, and the base is installed on the connecting seat.

[0021] The mounting seat is connected to the mounting frame of the bag opening machine, and the base is driven up and down by a cylinder, and the base drives four inserting knives to move up and down. Compared with the structure in the prior art that realizes the up and down movement of the base by multiple cylinders, the cloth folding device simplifies the structure and reduces the manufacturing cost.

[0022] In the above-mentioned cloth folding device, the cylinder four is a double-rod cylinder.

[0023] The utility model also provides a bag opening machine, which comprises any one of the above-mentioned cloth folding devices.

[0024] Compared with the prior art, the advantages of the utility model are as follows:

[0025] 1. The folding device can drive the left and right inserting knives to move simultaneously through a finger cylinder, thereby completing the folding of pocket fabrics in a simplified structure.

[0026] 2. The cloth folding device can drive the front insert knife and the rear insert knife to move simultaneously through a finger cylinder 2, which not only simplifies the structure but also completes the folding of the pocket cloth.

[0027] 3. The cloth folding device moves up and down through a cylinder four-drive base, and the base drives four inserting knives to move up and down, which simplifies the structure and reduces the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the structure of the folding device Figure 1 ;

[0029] Figure 2 This is a schematic diagram of the structure of the folding device Figure 2 ;

[0030] Figure 3 This is a schematic diagram of the structure of the folding device Figure 3 .

[0031] In the figure: 1 base, 2 front insert knife, 3 rear insert knife, 4 left insert knife, 5 right insert knife, 6 finger cylinder one, 7 clamping claw one, 8 connecting rod one, 9 connecting rod two, 10 finger cylinder two, 11 clamping claw two, 12 guide rail one, 13 connecting block one, 14 connecting block two, 15 cylinder three, 16 guide rail two, 17 guide rail three, 18 connecting block three, 19 connecting block four, 20 mounting seat, 21 cylinder four, 22 connecting seat, 23 slider. DETAILED DESCRIPTION

[0032] The following are specific embodiments of the present invention, and the technical solution of the present invention is further described in conjunction with the accompanying drawings, but the present invention is not limited to these embodiments.

[0033] like Figure 1 and 3 As shown, the cloth folding device includes a base 1, on which are provided a front knife 2, a rear knife 3, a left knife 4 and a right knife 5 which are all movable, a finger cylinder 6 is provided on the base 1, and the finger cylinder 6 has two clamping jaws 7, and each clamping jaw 7 is respectively provided with a connecting rod 1 8 and a connecting rod 2 9, the connecting rod 1 8 and the connecting rod 2 9 are movably connected to the base 1, and the left knife 4 and the right knife 5 are respectively provided on the connecting rod 1 8 and the connecting rod 2 9.

[0034] In the cloth folding device, the movable front knife 2, rear knife 3, left knife 4 and right knife 5 are used to fold the pocket cloth. Under the drive of the finger cylinder 6, the two clamping claws 7 can move towards each other or move in the opposite direction. The two clamping claws 7 drive the left knife 4 and the right knife 5 to move closer or farther away from each other at the same time through the connecting rod 1 8 and the connecting rod 2 9 respectively.

[0035] The folding device can drive the left inserting knife 4 and the right inserting knife 5 to move simultaneously through a finger cylinder 6, so that the two are close to or away from each other, and the folding of the pocket cloth is completed under the condition of simplified structure.

[0036] like Figure 1 and 3 As shown, in this embodiment, a finger cylinder 2 10 is further provided on the base 1 , and the finger cylinder 2 10 has two clamping jaws 2 11 , and each clamping jaw 2 11 is respectively mounted with a front inserting knife 2 and a rear inserting knife 3 .

[0037] Driven by the finger cylinder 10, the two clamping jaws 11 can move toward each other or in opposite directions, and the two clamping jaws 11 respectively drive the front inserting knife 2 and the rear inserting knife 3 to move closer or farther away from each other at the same time.

[0038] The cloth folding device can drive the front inserting knife 2 and the rear inserting knife 3 to move simultaneously through a finger cylinder 2 10, so that the two are close to or away from each other, and the pocket cloth is folded under the condition of simplified structure.

[0039] like Figure 2 and 3 As shown, in this embodiment, a guide rail 12 is installed at the bottom of the base 1, and a connecting block 13 and a connecting block 14 are installed on each clamping jaw 11 respectively, and the front inserting knife 2 and the rear inserting knife 3 are installed on the connecting block 13 and the connecting block 14 respectively, and the connecting block 13 and the connecting block 14 are respectively slidably connected to the guide rail 12.

[0040] The front insert knife 2 is installed on one clamping jaw 11 through a connecting block 13, and the rear insert knife 3 is installed on the other clamping jaw 11 through a connecting block 14. The guide rail 12 guides the connecting block 13 and the connecting block 14 to improve the stability of the front insert knife 2 and the rear insert knife 3 when they move.

[0041] As an embodiment, a slider 23 is installed on the connecting block 1 13 and the connecting block 2 14 respectively, and the slider 23 is slidably connected to the guide rail 1 12 , that is, the connecting block 1 13 and the connecting block 2 14 are slidably connected to the guide rail 1 12 through the slider 23 .

[0042] like Figure 2 As shown, in this embodiment, cylinder three 15 is installed at the bottom of connecting rod one 8 and connecting rod two 9 respectively, and the left inserting knife 4 and the right inserting knife 5 are installed on the piston rod of a corresponding cylinder three 15 respectively.

[0043] The left inserting knife 4 is installed on the connecting rod 1 8 through a cylinder three 15, and the right inserting knife 5 is installed on the connecting rod 2 9 through another cylinder three 15. When folding the material, each cylinder three 15 drives the left inserting knife 4 and the right inserting knife 5 to move downward and insert into the pocket.

[0044] like Figure 2 As shown, in this embodiment, guide rail 2 16 and guide rail 3 17 are installed at the bottom of base 1, connecting block 3 18 and connecting block 4 19 are installed at the bottom of connecting rod 1 8 and connecting rod 2 9 respectively, and cylinder 3 15 is installed at the bottom of connecting block 3 18 and connecting block 4 19 respectively, and connecting block 3 18 and connecting block 4 19 are slidably connected to guide rail 2 16 and guide rail 3 17 respectively.

[0045] One cylinder three 15 is installed on the connecting rod one 8 through the connecting block three 18, and the other cylinder three 15 is installed on the connecting rod two 9 through the connecting block four 19. The guide rail three 17 and the guide rail four respectively guide the connecting block three 18 and the connecting block four 19, thereby improving the stability of the connecting rod one 8 and the connecting rod two 9 when moving, and also improving the stability of the left inserter 4 and the right inserter 5 when moving.

[0046] As an embodiment, the connection block three 18 is slidably connected to the guide rail two 16 through the slider 23, and the connection block four 19 is slidably connected to the guide rail three 17 through the slider 23.

[0047] like Figure 3 As shown, in this embodiment, the cloth folding device also includes a mounting seat 20, on which a cylinder four 21 is arranged, the piston rod of the cylinder four 21 extends vertically, a connecting seat 22 is installed on the piston rod of the cylinder four 21, and the base 1 is installed on the connecting seat 22.

[0048] The mounting seat 20 is connected to the mounting frame of the bag opening machine, and a cylinder 21 is used to drive the base 1 to move up and down, and the base 1 drives the four inserting knives to move up and down. Compared with the structure in the prior art that realizes the up and down movement of the base 1 by multiple cylinders, the cloth folding device simplifies the structure and reduces the manufacturing cost.

[0049] As an embodiment, cylinder four 21 is a double-rod cylinder.

[0050] The utility model also provides a bag opening machine, which comprises any one of the above-mentioned cloth folding devices.

[0051] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A cloth folding device, comprising a base (1), on which a front inserting knife (2), a rear inserting knife (3), a left inserting knife (4) and a right inserting knife (5) are all movable, characterized in that: The base (1) is provided with a finger cylinder (6), the finger cylinder (6) having two clamping jaws (7), each clamping jaw (7) being respectively provided with a connecting rod (8) and a connecting rod (9), the connecting rod (8) and the connecting rod (9) being movably connected to the base (1), the connecting rod (8) and the connecting rod (9) being respectively provided with the left inserting knife (4) and the right inserting knife (5).

2. A cloth folding device according to claim 1, characterized in that: The base (1) is also provided with a second finger cylinder (10), and the second finger cylinder (10) has two second clamping jaws (11), and each second clamping jaw (11) is respectively mounted with the front inserting knife (2) and the rear inserting knife (3).

3. A cloth folding device according to claim 2, characterized in that: A guide rail 1 (12) is installed at the bottom of the base (1), and each clamping jaw 2 (11) is respectively installed with a connecting block 1 (13) and a connecting block 2 (14), and the front inserting knife (2) and the rear inserting knife (3) are respectively installed on the connecting block 1 (13) and the connecting block 2 (14), and the connecting block 1 (13) and the connecting block 2 (14) are respectively slidably connected to the guide rail 1 (12).

4. A cloth folding device according to claim 1, characterized in that: The bottoms of the connecting rod one (8) and the connecting rod two (9) are respectively installed with a cylinder three (15), and the left inserting knife (4) and the right inserting knife (5) are respectively installed on the piston rod of a corresponding cylinder three (15).

5. A cloth folding device according to claim 4, characterized in that: The bottom of the base (1) is installed with a guide rail 2 (16) and a guide rail 3 (17), the bottom of the connecting rod 1 (8) and the connecting rod 2 (9) are respectively installed with a connecting block 3 (18) and a connecting block 4 (19), the bottom of the connecting block 3 (18) and the connecting block 4 (19) are respectively installed with a cylinder 3 (15), and the connecting block 3 (18) and the connecting block 4 (19) are respectively slidably connected to the guide rail 2 (16) and the guide rail 3 (17).

6. A cloth folding device according to any one of claims 1 to 5, characterized in that: It also includes a mounting seat (20), on which a cylinder four (21) is arranged, the piston rod of the cylinder four (21) extends vertically, a connecting seat (22) is installed on the piston rod of the cylinder four (21), and the base (1) is installed on the connecting seat (22).

7. A cloth folding device according to claim 6, characterized in that: The cylinder four (21) is a double-rod cylinder.

8. A bag opening machine, characterized in that: The bag opening machine comprises a cloth folding device as described in any one of claims 1-7.

Images