Bag folding mechanism of pocket mouth sewing machine

Abstract

The utility model discloses a bag folding mechanism of a bag mouth sewing machine, which comprises a bag folding mounting plate capable of moving up and down, a front folding plate, a rear folding plate, a left folding plate and a right folding plate which are arranged in a rectangular shape are arranged below the bag folding mounting plate, and the bottom of the front folding plate, the bottom of the rear folding plate, the bottom of the left folding plate and the bottom of the right folding plate are respectively provided with a folding edge which is bent outwards; the front folding plate, the rear folding plate, the left folding plate and the right folding plate are respectively connected with cylinders for driving the folding plates to lift and horizontally move; a liftable front backup plate is arranged in front of the front folding plate, and a liftable rear backup plate is arranged behind the rear folding plate. The edge of a bag opening is folded through the front backup plate and the rear backup plate, and then secondary folding is carried out through the front folding plate, the rear folding plate, the left folding plate and the right folding plate, so that the bag opening folding quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of garment sewing processing, in particular to a bag folding mechanism of a bag sewing machine. Background Art

[0002] The invention patent No. 201910045709.6 discloses a cutting device for a laser bag opening machine, including an operating table, a machine head, a laser cutting assembly, a cloth clamping and moving mechanism, and an upper suction assembly; the laser tube is fixed in a laser tube rack, the laser tube rack is fixed below the operating table, the lower end of the light guide is connected to the laser tube, the top of the light guide is connected to the laser cutting head, and a laser incision is provided directly above the top of the laser cutting head and located on the operating table; the upper suction assembly includes a fixed seat, a lifting mechanism, a laser protection plate, an upper suction hard pipe, an upper suction hose, and a suction barrel; the upper suction hard pipe is fixed on the laser protection plate, and the laser protection plate is connected to the lifting mechanism; one end of the upper suction hard pipe is a suction port, which is located directly above the laser incision, and the other end of the upper suction hard pipe is connected to the suction barrel through an upper suction hose. This patented technology cannot realize the automatic sewing operations of folding, feeding, and bag lip after the bag mouth is cut, so the efficiency of the bag mouth sewing operation is low and needs to be improved. Summary of the invention

[0003] In view of the above-mentioned existing technical status, the utility model provides a bag folding mechanism of a bag mouth sewing machine, which realizes automatic folding after the bag mouth is cut and improves the folding quality.

[0004] The technical solution adopted by the utility model to solve the above-mentioned technical problems is: a bag folding mechanism of a bag sewing machine, including a bag folding mounting plate that can move up and down, a front folding plate, a rear folding plate, a left folding plate and a right folding plate arranged in a rectangular shape are arranged below the bag folding mounting plate, and the bottoms of the front folding plate, the rear folding plate, the left folding plate and the right folding plate are respectively formed with folding edges bent outward; the front folding plate, the rear folding plate, the left folding plate and the right folding plate are respectively connected to cylinders for driving the lifting and horizontal movements thereof; a front back plate that can be lifted and lowered is provided in front of the front folding plate, and a rear back plate that can be lifted and lowered is provided behind the rear folding plate.

[0005] In order to optimize the above technical solution, the utility model also includes the following improved technical solution.

[0006] A front lean mounting frame is fixed to the bottom of the folding bag mounting plate, and the front lean plate is slidably mounted on the front lean mounting frame through a first lifting guide rail. The front lean mounting frame is provided with a first lifting cylinder for driving the front lean plate to move upward and downward.

[0007] A backrest mounting frame is fixed to the bottom of the folding bag mounting plate, and the backrest plate is slidably mounted on the backrest mounting frame through a second lifting guide rail. The backrest mounting frame is provided with a second lifting cylinder for driving the backrest plate to move upward and downward.

[0008] The above-mentioned bag folding mounting plate is slidably installed with a front folding mounting frame through a front folding horizontal guide rail, and a front folding horizontal cylinder is connected between the bag folding mounting plate and the front folding mounting frame; the front folding plate is slidably installed on the front folding mounting frame through a front folding lifting guide rail, and the front folding mounting frame is provided with a front folding lifting cylinder for driving the lifting movement of the front folding plate; the bag folding mounting plate is slidably installed with a rear folding mounting frame through a rear folding horizontal guide rail, and a front folding horizontal cylinder is connected between the bag folding mounting plate and the rear folding mounting frame; the rear folding plate is slidably installed on the rear folding mounting frame through the rear folding lifting guide rail, and the rear folding mounting frame is provided with a rear folding lifting cylinder for driving the lifting movement of the rear folding plate.

[0009] The above-mentioned bag folding mounting plate is slidably installed with a left-folding mounting frame through a left-folding horizontal guide rail, and a left-folding horizontal cylinder is connected between the bag folding mounting plate and the left-folding mounting frame; the left folding plate is slidably installed on the left-folding mounting frame through a left-folding lifting guide rail, and the left-folding mounting frame is provided with a left-folding lifting cylinder for driving the left folding plate to lift and lower the movement; the bag folding mounting plate is slidably installed with a right-folding mounting frame through a right-folding horizontal guide rail, and a right-folding horizontal cylinder is connected between the bag folding mounting plate and the right-folding mounting frame; the right folding plate is slidably installed on the right-folding mounting frame through a right-folding lifting guide rail, and the right-folding mounting frame is provided with a right-folding lifting cylinder for driving the right-folding plate to lift and lower the movement.

[0010] The bag folding installation plate is slidably installed on the bag folding installation seat through the bag folding lifting guide rail, and a two-stage series cylinder is arranged between the bag folding installation seat and the bag folding installation plate.

[0011] Compared with the prior art, the bag folding mechanism of the utility model folds the edge of the bag opening through the front back plate and the rear back plate, and then performs secondary folding through the front folding plate, the rear folding plate, the left folding plate and the right folding plate, thereby improving the folding quality of the bag opening. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model.

[0013] Figure 2 yes Figure 1 Schematic diagram of the three-dimensional structure of the center folding bag mechanism.

[0014] Figure 3 yes Figure 2 Schematic diagram of the three-dimensional structure from another angle.

[0015] Figure 4 yes Figure 2 Assembly breakdown diagram of .

[0016] Figure 5 yes Figure 1 Schematic diagram of the three-dimensional structure of the medium pressure material feeding mechanism.

[0017] Figure 6 yes Figure 5 Assembly breakdown diagram of .

[0018] Figure 7 yes Figure 1 Schematic diagram of the three-dimensional structure of the middle mopping mechanism.

[0019] Figure 8 yes Figure 1 Schematic diagram of the three-dimensional structure of the middle material discharging positioning mechanism.

[0020] Fig. 9 yes Figure 8 Schematic diagram of the three-dimensional structure from another angle.

[0021] Fig.10 yes Figure 1 Schematic diagram of the three-dimensional structure of the middle supporting mechanism. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings.

[0023] Figures 1 to 10 Shown is a schematic structural diagram of the utility model.

[0024] The accompanying drawings are marked as follows: bag folding mounting plate 1, front folding horizontal guide rail 2, front folding mounting frame 3, front folding horizontal cylinder 4, front folding lifting guide rail 5, front folding lifting cylinder 6, bag folding lifting guide rail 7, bag folding mounting seat 8, two-stage series cylinder 9, frame 10, front folding plate 11, rear folding plate 12, left folding plate 13, right folding plate 14, front leaning plate 15, rear leaning plate 16, front leaning mounting frame 17, first lifting cylinder 18, rear leaning mounting frame 19, second lifting cylinder 20, pressing mounting seat 30, pressing plate 31, bag mouth cutting groove 32, first clamping plate 33, second clamping plate 34, first cylinder 35, second cylinder 36, clamping plate 37, clamping cylinder 38, vertical connecting plate 39, upper pressing frame 40, upper pressing mounting seat 41, pressing rod driving cylinder 42, pressing Rod mounting seat 43, pressure rod 44, upward pressure moving cylinder 45, upward pressure lifting cylinder 46, pressure rod lifting cylinder 47, first locking cylinder 48, material pressing driving cylinder 49, mop mounting base 60, mop guide rail 61, linear transmission mechanism 62, template connecting seat 63, template lifting seat 64, second locking cylinder 65, lifting driving cylinder 66, material discharge mounting seat 70, suction positioning plate 71, handle mounting seat 72, adjustment handle 73, nut seat 74, positioning groove 75, positioning piece 76, positioning cylinder 77, suction hole 78, suction pipe interface 79, adjustment guide rail 80, support mounting seat 81, support lifting seat 82, support lifting cylinder 83, support moving guide rail 84, support plate 85, mobile motor 86, mobile synchronous wheel 87.

[0025] The bag mouth sewing machine of the utility model comprises a frame 10, on which a bag folding mechanism, a pressing and feeding mechanism, a mopping mechanism, a material discharging and positioning mechanism, a material supporting mechanism, a laser device and a sewing mechanism are installed. The bag piece is placed at the pressing and feeding mechanism, and after being fixed by the pressing and feeding mechanism, the bag mouth is cut out on the bag piece by the laser device. The bag lip is placed at the discharging and positioning mechanism and is located below the bag folding mechanism; the pressing and feeding mechanism sends the cut bag piece between the bag folding mechanism and the bag lip, and folds the four sides of the cut part of the bag mouth through the bag folding mechanism, and then the pressing and feeding mechanism places the folded bag piece on the bag lip, and moves the bag piece and the bag lip together to the sewing mechanism for sewing and fixing. When the sewn and fixed bag piece needs to be sewn with a backing lining for the second time, the supporting mechanism in the sewing area rises, supports the material and follows the pressing and feeding mechanism to deliver the material to the material discharge positioning mechanism. The backing lining is placed on the material discharge positioning mechanism in advance during the first sewing. After the sewn material overlaps with the backing lining, it is delivered to the sewing mechanism by the pressing and feeding mechanism for a second sewing and fixation.

[0026] The bag folding mechanism of the bag sewing machine includes a bag folding mounting plate 1 that can move up and down, and a front folding plate 11, a rear folding plate 12, a left folding plate 13 and a right folding plate 14 arranged in a rectangular shape are arranged below the bag folding mounting plate 1. The bottoms of the front folding plate 11, the rear folding plate 12, the left folding plate 13 and the right folding plate 14 are respectively provided with outwardly bent edges. The front folding plate 11, the rear folding plate 12, the left folding plate 13 and the right folding plate 14 are respectively connected to cylinders for driving the lifting and horizontal movements thereof. A front backing plate 15 that can be lifted and lowered is arranged in front of the front folding plate 11, and a rear backing plate 16 that can be lifted and lowered is arranged behind the rear folding plate 12.

[0027] A front mounting frame 17 is fixed to the bottom of the bag folding mounting plate 1 , and the front back plate 15 is slidably mounted on the front mounting frame 17 via a first lifting guide rail. The front mounting frame 17 is provided with a first lifting cylinder 18 for driving the front back plate 15 to move up and down.

[0028] A backrest mounting frame 19 is fixed to the bottom of the bag folding mounting plate 1, and the backrest plate 16 is slidably mounted on the backrest mounting frame 19 through a second lifting guide rail. The backrest mounting frame 19 is provided with a second lifting cylinder 20 for driving the backrest plate 16 to move up and down.

[0029] Before the front folding plate 11, the rear folding plate 12, the left folding plate 13 and the right folding plate 14 fold the bag opening, the first lifting cylinder 18 and the second lifting cylinder 20 first drive the front back plate 15 and the rear back plate 16 to descend, and bend the front and rear edges of the bag opening cut. Then the front folding plate 11 and the rear folding plate 12 descend along the front back plate 15 and the rear back plate 16 respectively, and then move horizontally outward to fold the bent edges again by folding the edges. In the process of folding the front folding plate 11 and the rear folding plate 12, the left folding plate 13 and the right folding plate 14 synchronously fold the left and right edges of the bag opening cut.

[0030] The bag folding mounting plate 1 is slidably mounted with a front folding mounting frame 3 through a front folding horizontal guide rail 2, and a front folding horizontal cylinder 4 is connected between the bag folding mounting plate 1 and the front folding mounting frame 3. The front folding plate 11 is slidably mounted on the front folding mounting frame 3 through a front folding lifting guide rail 5, and the front folding mounting frame 3 is provided with a front folding lifting cylinder 6 for driving the lifting movement of the front folding plate 11. The bag folding mounting plate 1 is slidably mounted with a rear folding mounting frame through a rear folding horizontal guide rail, and a front folding horizontal cylinder 4 is connected between the bag folding mounting plate 1 and the rear folding mounting frame. The rear folding plate 12 is slidably mounted on the rear folding mounting frame through a rear folding lifting guide rail, and the rear folding mounting frame is provided with a rear folding lifting cylinder for driving the lifting movement of the rear folding plate 12.

[0031] The bag folding mounting plate 1 is slidably mounted with a left folding mounting frame through a left folding horizontal guide rail, and a left folding horizontal cylinder is connected between the bag folding mounting plate 1 and the left folding mounting frame. The left folding plate 13 is slidably mounted on the left folding mounting frame through a left folding lifting guide rail, and the left folding mounting frame is provided with a left folding lifting cylinder for driving the left folding plate 13 to move up and down. The bag folding mounting plate 1 is slidably mounted with a right folding mounting frame through a right folding horizontal guide rail, and a right folding horizontal cylinder is connected between the bag folding mounting plate 1 and the right folding mounting frame. The right folding plate 14 is slidably mounted on the right folding mounting frame through a right folding lifting guide rail, and the right folding mounting frame is provided with a right folding lifting cylinder for driving the right folding plate 14 to move up and down.

[0032] The bag folding mounting plate 1 is slidably mounted on the bag folding mounting seat 8 through the bag folding lifting guide rail 7, and a two-stage series cylinder 9 is provided between the bag folding mounting seat 8 and the bag folding mounting plate 1.

[0033] The pressing and feeding mechanism of the bag mouth sewing machine includes a pressing mounting seat 30, which is provided with a pressing plate 31 that can be raised and lowered, and the pressing plate 31 is provided with a bag mouth cutting groove 32, and a first clamping plate 33 and a second clamping plate 34 that can be opened and closed are provided at the bag mouth cutting groove 32. The pressing plate 31 is provided with a first cylinder 35 for driving the first clamping plate 33 to open and close, and a second cylinder 36 for driving the second clamping plate 34 to open and close. The bottom of the pressing plate 31 is provided with a clamping plate 37 whose one end can be opened relative to the pressing plate 31, and the pressing plate 31 is provided with a clamping cylinder 38 for driving the clamping plate 37 to open and close. The pressing and feeding mechanism is installed on the linear transmission device of the frame 10, and can move between the bag mouth cutting position, the sewing position and the material discharge position through the linear transmission device.

[0034] The pressing plate 31 is slidably mounted on the pressing mounting seat 30 through the vertical connecting plate 39. The pressing mounting seat 30 is provided with a pressing driving cylinder 49 for driving the vertical connecting plate 39 to rise and fall. The vertical connecting plate 39 is provided with an upper pressing frame 40 which can rise and fall above the pressing plate 31 and extend and retract forward and backward.

[0035] The vertical connecting plate 39 is provided with an upper pressing mounting seat 41 capable of moving up and down, and an upper pressing lifting cylinder 46 for driving the upper pressing mounting seat 41 to move up and down, and the upper pressing frame 40 is horizontally slidably connected to the upper pressing mounting seat 41. The upper pressing mounting seat 41 is provided with an upper pressing moving cylinder 45 for driving the upper pressing frame 40 to move forward and backward.

[0036] The upper pressure mounting seat 41 is provided with a pressure rod driving cylinder 42, which is connected to a pressure rod mounting seat 43 that can be telescopic forward and backward. The pressure rod mounting seat 43 is provided with a pressure rod 44 that can move up and down and a pressure rod lifting cylinder 47 for driving the pressure rod 44 to move up and down.

[0037] The vertical connecting plate 39 is fixed with a first locking cylinder 48 for connecting the template 90. The template 90 is used to support the material at the discharge position. The bag lip is placed on the template 90, and the template 90 is just above the discharge positioning mechanism. When the pressing and feeding mechanism moves to the discharge positioning mechanism and overlaps the folded bag cloth with the bag lip, the first locking cylinder 48 is connected and fixed to the template 90. When the pressing and feeding mechanism moves the material to the sewing position, the template 90 supports the bottom of the material to prevent the material from being deformed during the movement. After the movement and sewing, the first locking cylinder 48 is disengaged from the template 90, and the template 90 is pulled out by the cloth dragging mechanism and moved to the discharge position to wait for the next discharge.

[0038] The mop mechanism of the bag sewing machine includes a mop mounting base 60, which is slidably mounted on the frame 10 through forward and backward mop guide rails 61. The mop mounting base 60 is provided with a transversely arranged linear transmission mechanism 62, and the linear transmission mechanism 62 is provided with a slider that can move between a sewing position and a material discharge position. The slider is provided with a template connecting component for grabbing the template 90.

[0039] The template connection assembly includes a template connection seat 63 fixedly connected to the slider, a template lifting seat 64 slidably mounted on the template connection seat 63, and the template lifting seat 64 is fixed with a second locking cylinder 65 for connecting the template 90.

[0040] A lifting drive cylinder 66 is provided between the template lifting seat 64 and the template connecting seat 63 .

[0041] The frame 10 is equipped with a motor, which drives the mop mounting base 60 to move forward and backward along the mop guide rail 61 through a synchronous belt transmission mechanism.

[0042] The material discharge positioning mechanism of the bag sewing machine includes a material discharge mounting seat 70 fixed on the frame 10, the material discharge mounting seat 70 is located below the bag folding mechanism of the bag sewing machine, the material discharge mounting seat 70 is provided with a suction positioning plate 71 that can slide back and forth, the material discharge mounting seat 70 is provided with a rotatable adjustment handle 73 through a handle mounting seat 72, and the bottom of the suction positioning plate 71 is provided with a nut seat 74 that threadedly cooperates with the adjustment handle 73.

[0043] The air suction positioning plate 71 is formed with a positioning groove 75 which is consistent with the cutting direction of the bag opening, and a positioning piece 76 which can be raised and lowered is arranged in the positioning groove 75 .

[0044] A positioning cylinder 77 is fixedly installed at the bottom of the air suction positioning plate 71, and the piston rod of the positioning cylinder 77 is connected to the positioning piece 76. Before discharging, the positioning cylinder 77 drives the positioning piece 76 to extend out of the positioning groove 75, and the material is placed against the positioning piece 76 for accurate positioning.

[0045] The discharge surface of the air suction positioning plate 71 is provided with an air suction hole 78 , and the bottom of the air suction positioning plate 71 is provided with an air suction pipe interface 79 .

[0046] The top surface of the suction positioning plate 71 is flush with the working table of the bag sewing machine. The bottom of the suction positioning plate 71 is provided with a fixing ear, which is slidably connected with the material discharging mounting seat 70 through the adjustment guide rail 80. By rotating the adjustment handle 73, the working position of the suction positioning plate 71 may be adjusted.

[0047] The material support mechanism of the pocket sewing machine includes a material support mounting seat 81 mounted under the working table of the pocket sewing machine, a material support lifting seat 82 capable of moving up and down is provided above the material support mounting seat 81, and the material support lifting seat 82 is connected to a material support lifting cylinder 83 fixed on the material support mounting seat 81. The material support lifting seat 82 is provided with a horizontally arranged material support moving guide rail 84, and the material support moving guide rail 84 is slidably provided with a material support plate 85 for supporting fabrics and moving between a material placing position and a sewing position.

[0048] The support mounting seat 81 is fixed with a mobile motor 86, and both ends of the support lifting seat 82 are respectively provided with mobile synchronous wheels 87, and the power output shaft of the mobile motor 86 is slidably connected with one of the mobile synchronous wheels 87. The mobile synchronous wheel 87 is installed with a mobile synchronous belt, and the mobile synchronous wheel 87 is fixedly connected with the support plate 85 through a synchronous belt connecting block.

[0049] The best embodiment of the present invention has been described, and various changes or modifications made by ordinary technicians in this field will not depart from the scope of the present invention.

Claims

1. A bag folding mechanism of a bag sewing machine, comprising a bag folding mounting plate (1) capable of moving up and down, characterized in that: A front folding plate (11), a rear folding plate (12), a left folding plate (13) and a right folding plate (14) arranged in a rectangular shape are provided below the folding bag installation plate (1), and the bottoms of the front folding plate (11), the rear folding plate (12), the left folding plate (13) and the right folding plate (14) are respectively provided with outwardly bent edges; the front folding plate (11), the rear folding plate (12), the left folding plate (13) and the right folding plate (14) are respectively connected to cylinders for driving the lifting and horizontal movements thereof; a front support plate (15) capable of lifting and lowering is provided in front of the front folding plate (11), and a rear support plate (16) capable of lifting and lowering is provided behind the rear folding plate (12).

2. The bag folding mechanism according to claim 1, characterized in that: A front lean mounting frame (17) is fixed at the bottom of the folding bag mounting plate (1), and the front lean plate (15) is slidably mounted on the front lean mounting frame (17) via a first lifting guide rail. The front lean mounting frame (17) is provided with a first lifting cylinder (18) for driving the front lean plate (15) to move upward and downward.

3. The bag folding mechanism according to claim 2, characterized in that: A backrest mounting frame (19) is fixed at the bottom of the folding bag mounting plate (1), and the backrest plate (16) is slidably mounted on the backrest mounting frame (19) via a second lifting guide rail. The backrest mounting frame (19) is provided with a second lifting cylinder (20) for driving the backrest plate (16) to move up and down.

4. The bag folding mechanism according to claim 3 is characterized in that: The bag folding mounting plate (1) is slidably mounted with a front folding mounting frame (3) via a front folding horizontal guide rail (2), and a front folding horizontal cylinder (4) is connected between the bag folding mounting plate (1) and the front folding mounting frame (3); the front folding plate (11) is slidably mounted on the front folding mounting frame (3) via a front folding lifting guide rail (5), and the front folding mounting frame (3) is provided with a front folding lifting cylinder (6) for driving the front folding plate (11) to move up and down; the bag folding mounting plate (1) is slidably mounted with a rear folding mounting frame via a rear folding horizontal guide rail, and a front folding horizontal cylinder (4) is connected between the bag folding mounting plate (1) and the rear folding mounting frame; the rear folding plate (12) is slidably mounted on the rear folding mounting frame via a rear folding lifting guide rail, and the rear folding mounting frame is provided with a rear folding lifting cylinder for driving the rear folding plate (12) to move up and down.

5. The bag folding mechanism according to claim 4 is characterized in that: The bag folding mounting plate (1) is slidably mounted with a left-folding mounting frame via a left-folding horizontal guide rail, and a left-folding horizontal cylinder is connected between the bag folding mounting plate (1) and the left-folding mounting frame; the left-folding plate (13) is slidably mounted on the left-folding mounting frame via a left-folding lifting guide rail, and the left-folding mounting frame is provided with a left-folding lifting cylinder for driving the left-folding plate (13) to move up and down; the bag folding mounting plate (1) is slidably mounted with a right-folding mounting frame via a right-folding horizontal guide rail, and a right-folding horizontal cylinder is connected between the bag folding mounting plate (1) and the right-folding mounting frame; the right-folding plate (14) is slidably mounted on the right-folding mounting frame via a right-folding lifting guide rail, and the right-folding mounting frame is provided with a right-folding lifting cylinder for driving the right-folding plate (14) to move up and down.

6. The bag folding mechanism according to claim 5, characterized in that: The bag folding mounting plate (1) is slidably mounted on the bag folding mounting seat (8) via a bag folding lifting guide rail (7), and a two-stage series cylinder (9) is provided between the bag folding mounting seat (8) and the bag folding mounting plate (1).

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