Pressing mechanism for pocket mouth sewing machine

Abstract

The utility model discloses a material pressing mechanism for a pocket mouth sewing machine, which comprises a material pressing mounting seat, the material pressing mounting seat is provided with a liftable material pressing plate, the material pressing plate is provided with a first material clamping mounting seat and a second material clamping mounting seat in a sliding manner, and the first material clamping mounting seat and the second material clamping mounting seat are positioned on two sides of a pocket mouth; the material pressing plate is provided with a first driving air cylinder used for driving the first material clamping installation base to slide and a second driving air cylinder used for driving the second material clamping installation base to slide. A first material clamping plate and a second material clamping plate are arranged below the material pressing plate and located on the two sides of the bag opening. The first material clamping mounting seat is rotationally connected with the first material clamping plate, and the first material clamping mounting seat is provided with a first material clamping air cylinder which is used for driving the first material clamping plate to rotate and is attached to the bottom surface of the material pressing plate; and the second material clamping mounting seat is rotationally connected with the second material clamping plate, and is provided with a second material clamping air cylinder which is used for driving the second material clamping plate to rotate and is attached to the bottom surface of the material pressing plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of garment machinery, and particularly relates to a material pressing mechanism for a bag mouth sewing machine. Background Art

[0002] The invention patent with the patent number 202210265899.4 discloses an automatic laser bag opening machine for garment production, which includes a bottom box. The upper surface of the bottom box is fixedly connected with a table board. The inner wall of the bottom box is fixedly connected with a lead screw cross beam. The upper surface of the lead screw cross beam is fixedly connected with a moving device. Two outer pressing frames are fixedly connected to the moving device. The upper surface of the rear outer pressing frame is fixedly connected with a material pressing device. The same folding device is fixedly connected to the two outer pressing frames. In the present invention, the raw material is moved and conveyed by the moving device, the cloth is cut by the laser device, the cloth is pressed by the material pressing device, the material edge formed after cutting is folded by the cooperation of the bag folding head device and the folding device, the feeding device makes way during sewing, the lower supporting plate is moved and reset by the circulating device, the lower supporting plate and the outer pressing frame are synchronously moved by the telescopic device, and the cloth, the zipper and the turned edge are sewn by the sewing machine device.

[0003] There are certain defects in the disclosed content of this patent. The jig mechanism fixes the bag mouth cloth, the first upper clamping plate and the second upper clamping plate open relatively, and there is a gap between the two folded layers of cloth, resulting in the deformation of the bag mouth and affecting the sewing effect. Summary of the Invention

[0004] In view of the above technical problems, the utility model provides a material pressing mechanism for a bag mouth sewing machine, which can press the cloth after folding the edge of the bag mouth under the material pressing plate towards the bottom surface of the material pressing plate and flatten the bag mouth, improving the folding shaping effect of the bag mouth.

[0005] The technical solution adopted by the utility model to solve the above technical problems is as follows: A material pressing mechanism for a bag mouth sewing machine includes a material pressing mounting seat. The material pressing mounting seat is provided with a material pressing plate that can be lifted and lowered. The material pressing plate is slidably provided with a first material clamping mounting seat and a second material clamping mounting seat, and the first material clamping mounting seat and the second material clamping mounting seat are located on both sides of the bag mouth; the material pressing plate is provided with a first driving cylinder for driving the first material clamping mounting seat to slide and a second driving cylinder for driving the second material clamping mounting seat to slide; a first material clamping plate and a second material clamping plate are arranged below the material pressing plate, and the first material clamping plate and the second material clamping plate are located on both sides of the bag mouth; the first material clamping mounting seat is rotatably connected with the first material clamping plate, and the first material clamping mounting seat is provided with a first material clamping cylinder for driving the first material clamping plate to rotate and fit with the bottom surface of the material pressing plate; the second material clamping mounting seat is rotatably connected with the second material clamping plate, and the second material clamping mounting seat is provided with a second material clamping cylinder for driving the second material clamping plate to rotate and fit with the bottom surface of the material pressing plate.

[0006] To optimize the above technical solution, the present utility model further includes the following improved technical solutions.

[0007] Below the above-mentioned pressure plate, there are a first pressure rod and a second pressure rod that can rotate and open and close. The first pressure rod and the second pressure rod are located on the left and right sides of the bag mouth; on the pressure plate, there is a first pressure rod cylinder for driving the opening and closing of the first pressure rod and a second pressure rod cylinder for driving the opening and closing of the second pressure rod. The driving shaft of the first pressure rod cylinder is rotationally connected to the first pressure rod, and the driving shaft of the second pressure rod cylinder is rotationally connected to the second pressure rod; the first pressure rod is connected to a third pressure rod cylinder for driving the left and right movement of the first pressure rod, and the second pressure rod is connected to a fourth pressure rod cylinder for driving the left and right movement of the second pressure rod.

[0008] In front of the above-mentioned pressure material mounting seat, there is a lifting connecting plate. The pressure plate is slidably connected to the pressure material mounting seat through the lifting connecting plate. The front side of the lifting connecting plate is slidably installed with a lifting cylinder mounting seat. The front end of the lifting cylinder mounting seat is connected to an upper pressing frame mounting seat, and the upper pressing frame mounting seat is connected to the upper pressing frame; the front side of the upper pressing frame mounting seat is slidably installed with a rear pressing plate mounting seat, and the rear pressing plate mounting seat is connected to the rear pressing plate; on the front side of the upper pressing frame, there is a front pressing plate corresponding to the rear pressing plate.

[0009] On the above-mentioned rear pressing plate mounting seat, there is a third driving cylinder. The cylinder body of the third driving cylinder is fixedly connected to the upper pressing frame mounting seat, and the driving rod of the third driving cylinder is connected to the rear pressing plate mounting seat; on one side of the lifting cylinder mounting seat, there is a fourth driving cylinder. The cylinder body of the fourth driving cylinder is installed on the front side of the lifting connecting block, and the driving rod of the fourth driving cylinder is connected to the lifting cylinder mounting seat.

[0010] The above-mentioned pressure plate is provided with a bag mouth cutting groove, and at the bag mouth cutting groove, there are a first clamping plate and a second clamping plate that can open and close; on the pressure plate, there is a first clamping plate cylinder for driving the opening and closing movement of the first clamping plate and a second clamping plate cylinder for driving the opening and closing movement of the second clamping plate.

[0011] Compared with the prior art, a pressure material mechanism for a bag mouth sewing machine of the present utility model presses and flattens the folded bag mouth edge fabric under the pressure plate through the first clamping plate and the second clamping plate, making the folded part smoother and improving the sewing effect. Description of the Drawings

[0012] Figure 1 is the three-dimensional structural schematic diagram of this embodiment. X

[0013] Figure 2 is the exploded three-dimensional structural schematic diagram of this embodiment.

[0014] Figure 3 is the three-dimensional structural schematic diagram of another perspective of this embodiment. Detailed Description of the Embodiment

[0015] The following further describes the embodiments of the present utility model in detail with reference to the drawings.

[0016] Figures 1 to 3 The structural schematic diagram of the present utility model is shown as follows.

[0017] The reference numerals therein are: blanking mounting seat 1, blanking plate 2, bag mouth cutting groove 2a, lifting connecting plate 3, first slide rail 4, blanking driving cylinder 5, lifting connecting block 6, lifting cylinder mounting seat 7, second slide rail 8, lifting driving cylinder 9, upper pressing frame 10, upper pressing frame mounting seat 11, front pressing plate 12, rear pressing plate 13, rear rack 14, rear pressing plate mounting seat 15, third slide rail 16, third driving cylinder 17, first clamping plate 18, second clamping plate 19, first clamping plate cylinder 20, second clamping plate cylinder 21, first clamping material mounting seat 22, second clamping material mounting seat 23, first clamping material plate 24, second clamping material plate 25, first clamping material cylinder 26, second clamping material cylinder 27, first clamping material cylinder joint 28, first rotating shaft 29, first connecting block 30, second rotating shaft 31, second connecting block 32, fourth rotating shaft 33, first pressing rod 34, second pressing rod 35, first pressing rod cylinder 36, second pressing rod cylinder 37, first driving cylinder 38, second driving cylinder 39, third pressing rod cylinder 40, fourth pressing rod cylinder 41, fourth driving cylinder 42, first locking cylinder 43.

[0018] As Figure 1 shown, a blanking mechanism for a bag mouth sewing machine of the present utility model includes a blanking mounting seat 1. The blanking mounting seat 1 is provided with a blanking plate 2 capable of lifting. The upper pressing frame 10 in the blanking mechanism fixes the bag piece on the blanking plate 2. The first clamping material plate 24, the second clamping material plate 25, the first pressing rod 34 and the second pressing rod 35 in the blanking mechanism press and straighten the folded edge fabric of the bag mouth.

[0019] As Figure 2 shown, a lifting connecting plate 3 is provided on the front side of the blanking plate 2. The blanking plate 2 is slidably mounted on the blanking mounting seat 1 through the lifting connecting plate 3. A first slide rail 4 is provided on the front side of the blanking mounting seat 1. A first slider cooperating with the first slide rail 4 is mounted on the rear side of the lifting connecting plate 3. The cylinder body of the blanking driving cylinder 5 is mounted on the rear side of the blanking mounting seat 1. The driving rod of the blanking driving cylinder 5 is connected to the lifting connecting plate 3. The blanking driving cylinder 5 drives the lifting connecting plate 3 to lift along the first slide rail 4.

[0020] A lifting connecting block 6 is provided on the front side of the lifting connecting plate 3. The lifting connecting plate 3 is fixedly connected to the blanking plate 2 through the lifting connecting block 6. The blanking driving cylinder 5 drives the blanking plate 2 to lift.

[0021] On the front side of the lifting connection plate 3, there is also a lifting cylinder mounting seat 7. The lifting cylinder mounting seat 7 is slidably mounted on the lifting connection plate 3 through a second slide rail 8. A lifting drive cylinder 9 is provided on the lifting cylinder mounting seat 7. The cylinder body of the lifting drive cylinder 9 is fixedly connected to the lifting connection plate 3, and the drive rod of the lifting drive cylinder 9 is connected to the lifting cylinder mounting seat 7. The lifting drive cylinder 9 drives the lifting cylinder mounting seat 7 to move up and down relative to the lifting connection plate 3. The front end of the lifting cylinder mounting seat 7 is connected to an upper pressing frame mounting seat 11, and the upper pressing frame mounting seat 11 is connected to an upper pressing frame 10. The upper pressing frame 10 moves up and down following the lifting cylinder mounting seat 7.

[0022] On the front side of the upper pressing frame mounting seat 11, there is a rear pressing plate mounting seat 15. The rear pressing plate mounting seat 15 is slidably mounted on the upper pressing frame mounting seat 11 through a third slide rail 16. A third drive cylinder 17 is provided on the rear pressing plate mounting seat 15. The cylinder body of the third drive cylinder 17 is fixedly connected to the upper pressing frame mounting seat 11, and the drive rod of the third drive cylinder 17 is connected to the rear pressing plate mounting seat 15. The rear pressing plate mounting seat 15 is provided with a rear pressing plate 13. The third drive cylinder 17 drives the rear pressing plate mounting seat 15 to move up and down relative to the upper pressing frame mounting seat 11, and the rear pressing plate 13 moves up and down following the rear pressing plate mounting seat 15.

[0023] One end of the rear pressing plate 13 is connected to the rear pressing plate mounting seat 15, and a rear rack 14 extending downward is installed at the other end of the rear pressing plate 13. When the rear pressing plate 13 presses the bag piece downward, the rear rack 14 can increase the friction with the bag piece to prevent the bag piece from sliding. On the front side of the upper pressing frame 10, there is a front pressing plate 12 corresponding to the rear pressing plate 13. One end of the front pressing plate 12 is connected to the upper pressing frame 10, and a front rack extending downward is installed at the other end of the front pressing plate 12.

[0024] The pressing material drive cylinder 5 drives the pressing plate 2 to move downward. The lifting drive cylinder 9 drives the front pressing plate 12 of the upper pressing frame 10 to press the bag piece downward. The third drive cylinder 17 drives the rear pressing plate 13 to press the bag piece downward. The laser device cooperates with the pressing material mechanism. The pressing plate 2 is provided with a bag mouth cutting groove 2a. The laser device cuts out a bag mouth on the bag piece along the bag mouth cutting groove 2a.

[0025] At the bag mouth cutting groove 2a, there are a first clamping plate 18 and a second clamping plate 19 that can be opened and closed. On the pressing plate 2, there is a first clamping plate cylinder 20 for driving the first clamping plate 18 to perform an opening and closing movement and a second clamping plate cylinder 21 for driving the second clamping plate 19 to perform an opening and closing movement.

[0026] The pressing material mechanism fixes the cut bag piece. The feeding mechanism moves it to below the bag folding mechanism, and the bag folding mechanism folds the edge of the bag mouth along the bag mouth cutting position. The first clamping plate cylinder 20 drives the first clamping plate 18 to move inward, the second clamping plate cylinder 21 drives the second clamping plate 19 to move inward, and the first clamping plate 18 and the second clamping plate 19 clamp inward.

[0027] The blank holder 2 is provided with a first clamping mount 22 and a second clamping mount 23. The first clamping mount 22 is slidably installed at the front end of the blank holder 2, and the second clamping mount 23 is slidably installed at the rear end of the blank holder 2. At the bottom of the blank holder 2, there are a first clamping plate 24 and a second clamping plate 25 that open and close relative to the blank holder 2. At the end of the first clamping mount 22, there is a first clamping cylinder 26 for driving the opening and closing of the first clamping plate 24 and a second clamping cylinder 27 for driving the opening and closing of the second clamping plate 25.

[0028] The cylinder block of the first clamping cylinder 26 is rotatably installed at the end of the first clamping mount 22 through a first rotating shaft 29. The driving shaft of the first clamping cylinder 26 is rotatably connected to a first connecting block 30 through a first clamping cylinder joint 28. The first connecting block 30 is rotatably installed at the end of the first clamping mount 22 through a second rotating shaft 31, and the first connecting block 30 is connected to the first clamping plate 24.

[0029] When the driving rod of the first clamping cylinder 26 extends, the first clamping cylinder joint 28 drives the first connecting block 30 to rotate around the second rotating shaft 31, and the first connecting block 30 drives the first clamping plate 24 to open. When the driving rod of the first clamping cylinder 26 retracts, it drives the first clamping plate 24 to close.

[0030] The second clamping mount 23 is symmetrically installed with the first clamping mount 22. The cylinder block of the second clamping cylinder 27 is rotatably installed at the end of the second clamping mount 23 through a third rotating shaft. The driving shaft of the second clamping cylinder 27 is rotatably connected to a second connecting block 32 through a second clamping cylinder 27 joint. The second connecting block 32 is rotatably installed at the end of the second clamping mount 23 through a fourth rotating shaft 33, and the second connecting block 32 is connected to the second clamping plate 25.

[0031] When the driving rod of the second clamping cylinder 27 extends, the second clamping cylinder 27 joint drives the second connecting block 32 to rotate around the fourth rotating shaft 33, and the second connecting block 32 drives the second clamping plate 25 to open. When the driving rod of the second clamping cylinder 27 retracts, it drives the second clamping plate 25 to close.

[0032] As Figure 3 shown, at the bottom of the blank holder 2, there are also a first pressing rod 34 and a second pressing rod 35 that open and close relative to the blank holder 2. On the blank holder 2, there is a first pressing rod cylinder 36 for driving the opening and closing of the first pressing rod 34 and a second pressing rod cylinder 37 for driving the opening and closing of the second pressing rod 35. The driving rod of the first pressing rod cylinder 36 is rotatably connected to the first pressing rod 34, and the driving rod of the second pressing rod cylinder 37 is rotatably connected to the second pressing rod 35.

[0033] When the blank holding mechanism and the bag folding mechanism cooperate to fold the bag, the first clamping cylinder 26 drives the first clamping plate 24 to clamp the fabric at the front side edge of the bag mouth upward, and the second clamping cylinder 27 drives the second clamping plate 25 to clamp the fabric at the rear side edge of the bag mouth upward. The first pressing rod cylinder 36 drives the first pressing rod 34 to clamp the fabric at the right side edge of the bag mouth upward, and the second pressing rod cylinder 37 drives the second pressing rod 35 to clamp the fabric at the left side edge of the bag mouth upward.

[0034] A first driving cylinder 38 is provided inside the first clamping mounting seat 22. The cylinder block of the first driving cylinder 38 is fixedly installed on the blank holding plate 2, and the driving rod of the first driving cylinder 38 is connected to the first clamping mounting seat 22. The first driving cylinder 38 drives the first clamping plate 24 of the first clamping mounting seat 22 to move back and forth.

[0035] A second driving cylinder 39 is provided inside the second clamping mounting seat 23. The cylinder block of the second driving cylinder 39 is fixedly installed on the blank holding plate 2, and the driving rod of the second driving cylinder 39 is connected to the second clamping mounting seat 23. The second driving cylinder 39 drives the second clamping plate 25 of the second clamping mounting seat 23 to move back and forth.

[0036] A third pressing rod cylinder 40 for driving the first pressing rod 34 to move left and right is provided on one side of the first pressing rod cylinder 36. The driving rod of the third pressing rod cylinder 40 is rotatably connected to the first pressing rod 34. A fourth pressing rod cylinder 41 for driving the second pressing rod 35 to move left and right is provided on one side of the second pressing rod cylinder 37. The driving rod of the fourth pressing rod cylinder 41 is rotatably connected to the second pressing rod 35.

[0037] The first driving cylinder 38 drives the first clamping plate 24 to move horizontally forward. The first clamping plate 24 straightens the fabric at the front side edge of the bag mouth. The second driving cylinder 39 drives the second clamping plate 25 to move horizontally backward. The second clamping plate 25 straightens the fabric at the rear side edge of the bag mouth. The third pressing rod cylinder 40 drives the third pressing rod to move to the right. The first pressing rod 34 straightens the fabric at the right side edge of the bag mouth. The fourth pressing rod cylinder 41 drives the second pressing rod 35 to move to the left. The second pressing rod 35 straightens the fabric at the left side edge of the bag mouth.

[0038] A fourth driving cylinder 42 is provided on one side of the lifting cylinder mounting seat 7. The cylinder block of the fourth driving cylinder 42 is installed on the front side of the lifting connection block 6, and the driving rod of the fourth driving cylinder 42 is connected to the lifting cylinder mounting seat 7. The fourth driving cylinder 42 drives the lifting cylinder mounting seat 7 to move up and down. After the bag folding is completed, the first clamping plate 18 and the second clamping plate 19 open relatively. At this time, there is a gap between the two folded layers of fabric. The fourth driving cylinder 42 drives the front pressing plate 12 to press down on the bag mouth fabric, and the third driving cylinder 17 drives the rear pressing plate 13 to press down on the bag mouth fabric.

[0039] A first locking cylinder 43 for connecting the template is installed at the rear side of the lifting connecting plate 3. The bag lip is placed on the template, and the folded bag pieces overlap with the bag lip on the template. The first locking cylinder 43 is fixedly connected to the template to prevent the material from deforming during the movement.

[0040] The best embodiments of the present invention have been illustrated, and various changes or modifications made by those of ordinary skill in the art will not depart from the scope of the present invention.

Claims

1. A material pressing mechanism for a bag mouth sewing machine, comprising a material pressing mounting base (1), wherein the material pressing mounting base (1) is provided with a material pressing plate (2) capable of lifting, and is characterized in that: The pressure plate (2) is slidably provided with a first clamping mount (22) and a second clamping mount (23), and the first clamping mount (22) and the second clamping mount (23) are located on both sides of the bag mouth; the pressure plate (2) is provided with a first driving cylinder (38) for driving the first clamping mount (22) to slide, and a second driving cylinder (39) for driving the second clamping mount (23) to slide; a first clamping plate (24) and a second clamping plate (25) are provided below the pressure plate (2), and the first clamping plate (24) and the second clamping plate (25) are located on both sides of the bag mouth; the first clamping mount (22) is rotatably connected to the first clamping plate (24), and the first clamping mount (22) is provided with a first clamping cylinder (26) for driving the first clamping plate (24) to rotate and fit with the bottom surface of the pressure plate (2); the second clamping mount (23) is rotatably connected to the second clamping plate (25), and the second clamping mount (23) is provided with a second clamping cylinder (27) for driving the second clamping plate (25) to rotate and fit with the bottom surface of the pressure plate (2).

2. The presser mechanism for a bag mouth sewing machine according to claim 1, wherein: A first pressure rod (34) and a second pressure rod (35) that can rotate and open / close are provided below the pressure plate (2), and the first pressure rod (34) and the second pressure rod (35) are located on the left and right sides of the bag mouth; the pressure plate (2) is provided with a first pressure rod cylinder (36) for driving the first pressure rod (34) to open / close and a second pressure rod cylinder (37) for driving the second pressure rod (35) to open / close. The driving shaft of the first pressure rod cylinder (36) is rotatably connected to the first pressure rod (34), and the driving shaft of the second pressure rod cylinder (37) is rotatably connected to the second pressure rod (35); the first pressure rod (34) is connected to a third pressure rod cylinder (40) for driving the first pressure rod (34) to move left and right, and the second pressure rod (35) is connected to a fourth pressure rod cylinder (41) for driving the second pressure rod (35) to move left and right.

3. The pressing mechanism for a bag mouth sewing machine according to claim 2, wherein: A lifting connection plate (3) is provided on the front side of the pressure mounting seat (1), and the pressure plate (2) is slidably connected to the pressure mounting seat (1) through the lifting connection plate (3). A lifting cylinder mounting seat (7) is slidably mounted on the front side of the lifting connection plate (3). The front end of the lifting cylinder mounting seat (7) is connected to an upper pressure frame mounting seat (11), and the upper pressure frame mounting seat (11) is connected to an upper pressure frame (10); a rear pressure plate mounting seat (15) is slidably mounted on the front side of the upper pressure frame mounting seat (11), and the rear pressure plate mounting seat (15) is connected to a rear pressure plate (13); a front pressure plate (12) corresponding to the rear pressure plate (13) is provided on the front side of the upper pressure frame (10).

4. A presser mechanism for a bag mouth sewing machine according to claim 3, characterized in that: A third driving cylinder (17) is provided on the rear pressure plate mounting seat (15). The cylinder body of the third driving cylinder (17) is fixedly connected to the upper pressure frame mounting seat (11), and the driving rod of the third driving cylinder (17) is connected to the rear pressure plate mounting seat (15); a fourth driving cylinder (42) is provided on one side of the lifting cylinder mounting seat (7). The cylinder body of the fourth driving cylinder (42) is mounted on the front side of the lifting connection block (6), and the driving rod of the fourth driving cylinder (42) is connected to the lifting cylinder mounting seat (7).

5. The pressing mechanism for a bag mouth sewing machine according to claim 4, wherein: The blank holder (2) is provided with a bag mouth cutting groove (2a), and a first clamping plate (18) and a second clamping plate (19) that can be opened and closed are arranged at the bag mouth cutting groove (2a); a first clamping plate cylinder (20) for driving the first clamping plate (18) to perform an opening and closing movement and a second clamping plate cylinder (21) for driving the second clamping plate (19) to perform an opening and closing movement are arranged on the blank holder (2).

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