Bag opening process of full-automatic bag opening machine
The pressing and material setting mechanism of the fully automatic bag opening machine solves the problem of bag deformation after laser cutting, achieving stability and consistency in bag shape and improving the quality of bag opening.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ZHEJIANG ZOJE SEWING MACHINE
- Filing Date
- 2024-01-26
- Publication Date
- 2026-05-08
AI Technical Summary
In existing technologies, after laser cutting, the pocket tends to retract inward after the cutting tool is retracted, causing the pocket to deform and affecting the shape of the pocket after sewing.
The fully automatic bag opening machine uses a frame with laser cutting, sewing and inserting mechanisms. It uses pressing, pulling and fixing mechanisms on the base plate to first form a fixed opening larger than the pocket size. Then, the fabric is pressed by positioning strips and outer pressure frames to ensure that the pocket shape is not deformed.
It improves the quality of opening the pocket, prevents the fabric at the edge of the pocket from shrinking back, ensures the consistency of the pocket shape, and improves the quality of the pocket after sewing.
Smart Images

Figure CN121992587A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of garment processing technology, specifically to a bag-opening process for a fully automatic bag-opening machine. Background Technology
[0002] In garment manufacturing, pocket-opening machines are essential auxiliary processing machinery, mainly used to create pockets in specific locations on garments for carrying small items such as mobile phones and wallets. The conventional approach is to process the pocket opening and lip separately first, then sew the lip onto the opening to complete the pocket opening. The processing of the pocket opening involves cutting, folding, shaping, and sewing the garment at the pocket opening position. Cutting involves making a Y-shaped slit at both ends of the pocket opening; folding involves folding the cut pocket opening inwards to form a folded edge; shaping involves placing the lip on the folded edge; and finally, sewing is performed.
[0003] Clothing pocket opening machines that can automatically complete cutting, folding, bag lip shaping, and sewing processes have also appeared on the market. The principle is as follows: the laser cutting machine cuts the fabric into "Y"-shaped slits at both ends, then folds the fabric into a pocket shape and sews it. Then, a new base fabric is placed on one side of the worktable, and the pocket is moved on top of the new base fabric. The pocket is pressed against the base fabric and moved to the sewing area to sew the remaining three sides, completing the pocket production.
[0004] Currently, in the folding pocket process after laser cutting, the first step is to extend the fixing blade to form a fixing opening (pocket shape). Then, the pulling blade extends into the fixing opening, and the inserting blade inserts the fabric into the slot of the pulling blade. The pulling blade then pulls the fabric to the side to form a pocket shape. Finally, the fixing blade is retracted to complete the folding pocket process. However, after the fixing blade is retracted, because the fabric at the pocket area is no longer restrained by the fixing blade, the pocket tends to shrink inward, causing the pocket to deform and affecting its shape after sewing. Summary of the Invention
[0005] (a) Technical problems to be solved
[0006] To address the shortcomings of existing technologies, this invention provides a fully automatic bag-opening machine with a bag-opening process that solves the problems mentioned in the background section.
[0007] (II) Technical Solution
[0008] To achieve the above objectives, the present invention provides the following technical solution: a bag-opening process for a fully automatic bag-opening machine. This process utilizes a bag-opening machine comprising a frame with a worktable. Three workstations are arranged laterally on the frame corresponding to the worktable. These three workstations are a laser cutting mechanism, a sewing mechanism, and a knife-inserting mechanism. A base plate is provided on the worktable, capable of moving laterally along the three workstations. The base plate, via a lateral movement mechanism, drives the fabric to move laterally on the worktable. A pressing mechanism is provided on the base plate to press the fabric on the base plate. A tray clamp is provided on the frame to move a tray plate, which supports the fabric for sewing the bag. A material pulling mechanism and a material fixing mechanism are provided on the base plate. The bag-opening process includes the following steps:
[0009] Step 1: Place a piece of fabric for the pocket opening on the base plate below the laser cutting mechanism, and place a piece of fabric for sewing the pocket on the tray. Then, the outer pressure frame moves down to coordinate 1 to press down the fabric, and the laser cutting mechanism cuts a "Y" shaped opening according to the size of the pocket.
[0010] Step 2: The base plate rises, and the base plate moves the fabric to below the inserting mechanism. The fixed cutting knife opens to form a fixed cutting port, and the front and rear pulling cutting knives extend. The front and rear inserting plates corresponding to the front and rear pulling cutting knives move down to insert the corresponding fabric into the slots. Then, the inserting plates and the front and rear pulling cutting knives retract in sequence. Then, the left and right pulling cutting knives extend, and the left and right inserting plates corresponding to the left and right pulling cutting knives move down to insert the corresponding fabric into the slots. Then, the inserting plates and the left and right pulling cutting knives retract in sequence.
[0011] Step 3: After the inserting mechanism is reset, the positioning bar moves to the center of the material inlet, the substrate is pressed down onto the support plate, and then the four material inserting knives extend to press the edge of the fabric bag against the positioning bar to narrow the material inlet. The outer pressure frame is pressed down to coordinate 2, and then the four material inserting knives open to expand the material inlet, and the outer pressure frame is pressed down to coordinate 3.
[0012] Step 4: The clamping block holds the tray, the base plate moves horizontally to below the sewing mechanism, the positioning strip retracts upward, and the sewing mechanism sews the first line along the lower edge of the open fabric and the fabric below it.
[0013] Step 5: The sewing mechanism rises, the base plate rises and moves laterally to the side below the laser cutting mechanism, and then another piece of fabric for sewing the pocket is manually placed under the sewing mechanism. The base plate then returns to the side below the sewing mechanism.
[0014] Step 6: Press down the base plate to press the fabric on the workbench, the sewing mechanism descends, and sews the second line along the top edge of the open fabric and the bottom fabric together;
[0015] Step 7: During the process between Step 4 and Step 6, the rear pallet clamp will transport the spare pallet back to the bottom of the inserting mechanism;
[0016] Step 8: The sewing mechanism rises, the substrate moves horizontally to below the laser cutting mechanism, the substrate rises, and the tray clamp located at the rear clamps the tray below the substrate. Then the substrate releases the tray, and the tray clamp removes the tray.
[0017] Step nine: Repeat steps one through eight.
[0018] Preferably, the material pulling mechanism includes two sets of material pulling blades (front and rear, left and right), a cylinder five, and a multi-link assembly two. Each material pulling blade is provided with a slot. The cylinder five links the material pulling blades through the multi-link assembly two. The four material pulling blades can move along the four vertical directions of the material fixing port respectively. The material fixing mechanism includes two sets of material fixing blade cylinders (front and rear, left and right) and a multi-link assembly one. The cylinder four links the material fixing blades through the multi-link assembly one. The four material fixing blades can move along the four vertical directions of the material fixing port respectively. The material fixing blades are located above the corresponding material pulling blades.
[0019] Preferably, the inserting mechanism includes a cylinder one, a lifting plate, four sets of cylinder two, and inserting plates. The cylinder one is mounted on the frame and can drive the lifting plate to rise and fall. The four sets of cylinder two are mounted on the lifting plate and can drive the four inserting plates to rise and fall respectively. The four inserting plates can drive the fabric to be inserted into the slot.
[0020] Preferably, the pressing mechanism includes a fabric pressing plate for pressing the entire fabric, an outer pressing frame for pressing the outer sewing ring of the fabric, a positioning strip for pressing the inner ring of the fabric, a lifting platform, a lifting assembly, an adjusting platform, an outer pressing frame, a lifting cylinder, and a transverse moving cylinder. The fabric pressing plate and the outer pressing frame are disposed on the lifting platform. The lifting assembly is disposed on the base plate and is used to drive the lifting platform to rise and fall. The lifting cylinder is disposed on the lifting platform and is used to drive the adjusting platform to rise and fall. The transverse moving cylinder is disposed on the adjusting platform and is used to drive the positioning strip to move longitudinally.
[0021] Preferably, a pair of cylinders are arranged laterally on the base plate, and the output end of the pair of cylinders is provided with a clamping block for clamping the tray.
[0022] Preferably, the pallet clamp includes a coordinate moving module, a moving stage, a pair of clamping rods, and clamping cylinders. The coordinate moving module is used to drive the moving stage to move laterally and longitudinally. The pair of clamping cylinders are arranged opposite each other on the moving stage, and the pair of clamping rods are arranged on the two cylinders and correspond to the two sides of the pallet.
[0023] Preferably, the frame is also provided with an alignment plate for assisting in the placement of the fabric, and the alignment plate is adjusted by the lateral movement of a cylinder.
[0024] (III) Beneficial Effects
[0025] This invention provides a bag-opening process for a fully automatic bag-opening machine. It has the following beneficial effects:
[0026] 1. The bag opening process of this fully automatic bag opening machine differs from existing technologies that directly pull the bag material onto the fixed cutting blades. In this process, four fixed cutting blades first form a fixed opening larger than the bag size. Then, the pulling blades pull the fabric open. Next, a positioning strip with a shape consistent with the bag is moved to the center of the fixed opening. Then, the four fixed cutting blades extend and drive the fabric to press against the positioning strip to form a standard-sized bag. Then, the outer pressure frame presses down to tighten the bag while the fixed cutting blades retract, so that the outer pressure frame firmly presses the bag onto the tray, preventing the fabric at the edge of the bag from shrinking back and improving the bag opening quality. Attached Figure Description
[0027] Figure 1 This is a laser cutting state diagram of the present invention;
[0028] Figure 2 This is a schematic diagram of the pallet clamp of the present invention;
[0029] Figure 3 This is a diagram showing the folded pocket state of the present invention;
[0030] Figure 4 This is a diagram showing the state of the sewn pocket of the present invention;
[0031] Figure 5 This is a diagram showing the state of the material being laid out according to the present invention;
[0032] Figure 6 This is a schematic diagram of the pressing mechanism of the present invention;
[0033] Figure 7 This is a schematic diagram of the interior of the substrate of the present invention.
[0034] In the diagram: 1. Frame, 2. Laser cutting mechanism, 3. Sewing mechanism, 4. Inserting knife mechanism, 5. Base plate, 6. Pressing mechanism, 7. Material fixing mechanism, 8. Material pulling mechanism, 9. Pallet clamp, 10. Lateral movement mechanism, 11. Pallet, 12. Alignment plate, 13. Cylinder 6, 14. Clamping block, 15. Cylinder 3, 41. Cylinder 1, 42. Lifting plate, 43. Cylinder 2, 44. Inserting plate, 60. Fabric pressing plate, 61. Positioning strip, 62. Adjusting table, 63. Lifting assembly, 64. Adjusting plate, 65. Lifting cylinder, 66. Outer pressure frame, 67. Lateral movement cylinder, 71. Material fixing knife, 72. Cylinder 4, 73. Multi-link assembly 1, 81. Material pulling knife, 82. Slot, 83. Cylinder 5, 84. Multi-link assembly 2, 91. Coordinate moving module, 92. Moving table, 93. Clamping rod, 94. Clamping cylinder. Detailed Implementation
[0035] This invention provides a bag-opening process for a fully automatic bag-opening machine, such as... Figure 1-7As shown, this process uses the following bag-opening machine, which includes a frame 1 with a worktable. Three workstations are arranged laterally on the frame 1 corresponding to the worktable: a laser cutting mechanism 2, a sewing mechanism 3, and a blade insertion mechanism 4. The sewing mechanism 3 is an existing automated sewing machine, which is raised and lowered via a lead screw guide assembly. The laser cutting mechanism 2 is also an existing fabric laser cutting machine, controlled by a robotic arm. The specific structures of the sewing machine and laser cutting machine are not described in detail here.
[0036] A base plate 5 is provided on the worktable, which can move laterally along three workstations. The base plate 5 drives the fabric to move on the worktable via a transverse movement mechanism 10. The transverse movement mechanism 10 is used to drive the base plate 5 to move laterally and longitudinally on the worktable. The transverse movement mechanism 10 can be composed of two sets of lead screw and slide rail modules or a mechanism module capable of displacement.
[0037] A pressing mechanism 6 is provided on the substrate 5, which is used to press the fabric on the substrate 5.
[0038] like Figure 6 As shown, the pressing mechanism 6 includes a fabric pressing plate 60 for pressing the fabric as a whole, an outer pressing frame 66 for pressing the outer sewing ring of the fabric, a positioning strip 61 for pressing the inner ring of the fabric, a lifting platform 62, a lifting assembly 63, an adjusting platform 64, an outer pressing frame 66, a lifting cylinder 65, and a transverse cylinder 67.
[0039] The fabric pressure plate 60 is frame-shaped and is used to clamp the overall periphery of the fabric. The outer pressure frame 66 is frame-shaped and is used to clamp the outer ring of the sewing area of the fabric. The fabric pressure plate 60 and the outer pressure frame 66 are set on the lifting platform 62. The lifting component 63 is set on the base plate 5 and is used to drive the lifting platform 62 to rise and fall. The lifting component 63 can be one of a cylinder, a lead screw slide rail module, or a pulley assembly.
[0040] A lifting cylinder 65 is mounted on the lifting platform 62 and is used to drive the adjusting platform 64 to rise and fall. A transverse cylinder 67 is mounted on the adjusting platform 64 and is used to drive the positioning strip 61 to move longitudinally. The shape of the positioning strip 61 is determined according to the shape of the pocket and is used for pocket shaping.
[0041] like Figure 5-6 As shown, it also includes at least two trays 11, one of which is for backup. The tray 11 is used to hold the first piece of pocket cloth. A pair of cylinders 15 are arranged horizontally on the base plate 5. The output end of the pair of cylinders 15 is provided with clamping blocks 14 for holding the tray 11. The tray 11 is vertical on the rear side. Both ends of the rear side of the tray 11 are provided with inwardly recessed slots. The clamping blocks 14 are L-shaped and can be inserted into the slots under the action of the cylinders 15.
[0042] like Figure 2As shown, the frame 1 is equipped with a tray clamp 9 for moving the tray 11. The tray 11 is used to support the fabric for sewing the pocket. The tray clamp 9 is used to grab the tray 11 located below the sewing mechanism 3 and move it below the inserting knife mechanism 4. The tray clamp 9 includes a coordinate movement module 91, a moving table 92, a pair of clamping rods 93, and clamping cylinders 94. The coordinate movement module 91 is used to drive the moving table 92 to move laterally and longitudinally. The moving module 91 can be composed of two sets of lead screw and slide rail modules. The pair of clamping cylinders 94 are arranged opposite each other on the moving table 92. The pair of clamping rods 93 are arranged on the two cylinders 94 and correspond to the slots on both sides of the tray 11.
[0043] The substrate 5 is provided with a feeding mechanism 8 and a fixing mechanism 7. The inserting mechanism 4 is used to insert the cut fabric into the feeding mechanism, and the feeding mechanism is used to pull the inserted fabric outward in four directions.
[0044] like Figure 7 As shown, the material pulling mechanism 8 includes two sets of material pulling blades 81 (front and rear, left and right), cylinder 83, and multi-link assembly 84. Each material pulling blade 81 is provided with a slot 82. Cylinder 83 links the material pulling blades 81 through multi-link assembly 84. The four material pulling blades 81 can move along the four vertical directions of the fixed material opening respectively.
[0045] like Figure 7 As shown, the material-fixing mechanism 7 and the material-pulling mechanism 8 are arranged vertically in the front view, and the two mechanisms do not interfere with each other when operating in a plane. The material-fixing mechanism 7 is located above the material-pulling mechanism 8. The material-fixing mechanism 7 includes two sets of material-fixing blades 71 (front and rear, left and right), four cylinders 72, and a multi-link assembly 73. The four cylinders 72 are linked to the material-fixing blades 71 through the multi-link assembly 73. The four material-fixing blades 71 can move along the four vertical directions of the material-fixing opening, and the material-fixing blades 71 are located above the corresponding material-pulling blades 81. The width of the material-fixing blades is determined according to the width of the pocket.
[0046] Multi-link assembly 2 84 and multi-link assembly 1 73 can also be replaced by other components that can achieve the same function.
[0047] The inserting mechanism 4 includes a first cylinder 41, a lifting plate 42, four sets of second cylinders 43, and inserting plates 44. The first cylinder 41 is vertically mounted on the frame 1 and can drive the lifting plate 42 to rise and fall. The four sets of second cylinders 43 are mounted on the lifting plate 42 and can drive the four inserting plates 44 to rise and fall respectively. The four inserting plates 44 are respectively fitted with corresponding slots 82 below with clearance. When the inserting plates 44 move downward, the four inserting plates 44 can drive the fabric to be inserted into the slots 82.
[0048] To facilitate the precise placement of the fabric for sewing the pockets onto the tray 11, the frame 1 is also equipped with an alignment plate 12 for assisting in the placement of the fabric. The alignment plate 12 is adjusted laterally by cylinder six 13. When placing the fabric, the alignment plate 12 is moved above the tray 11, and the worker places the fabric vertically downwards onto the tray 11, pushing it against the alignment plate 12.
[0049] The bag opening process includes the following steps:
[0050] Step 1, as follows Figure 1-2 As shown, a piece of fabric for the pocket opening is placed on the substrate 5 below the laser cutting mechanism 2, and a piece of fabric for sewing the upper pocket is placed on the tray 11. Then the outer pressure frame 66 moves down to coordinate one to press down the fabric. Coordinate one is the height of the upper surface of the substrate 5. The laser cutting mechanism 2 cuts a "Y" shaped opening according to the size of the pocket.
[0051] Step two, as Figure 3 As shown, the base plate 5 rises, and the base plate 5 moves the fabric to below the inserting mechanism 4. The fixed cutting knife 71 retracts and opens to form a fixed cutting opening. The size of the fixed cutting opening is larger than the standard pocket size. The front and rear pulling cutting knives 81 extend, and the front and rear inserting plates 44 corresponding to the front and rear pulling cutting knives 81 move down to insert the corresponding fabric into the slot 82. After that, the inserting plates 44 and the front and rear pulling cutting knives 81 retract in sequence. Then, the left and right pulling cutting knives 81 extend, and the left and right inserting plates 44 corresponding to the left and right pulling cutting knives 81 move down to insert the corresponding fabric into the slot 82. After that, the inserting plates 44 and the left and right pulling cutting knives 81 retract in sequence. This step initially pulls the fabric into a pocket shape larger than the standard size.
[0052] Step 3: After the inserting mechanism 4 resets, the positioning strip 61 moves to the center of the material inlet, the base plate 5 is pressed down onto the support plate 11, and then the four material inserting blades 71 extend and press the edge of the fabric bag against the positioning strip 61 to reduce the material inlet to the standard bag size. The outer pressure frame 66 is pressed down to coordinate two, the height of which is the height of the material inserting blades 71. Then the four material inserting blades 71 open to enlarge the material inlet. After the material inserting blades 71 are removed from the outer pressure frame 66, the outer pressure frame 66 continues to press down to coordinate three, the height of which is the height of the upper surface of the support plate 11.
[0053] Step four, as Figure 4 As shown, clamping block 14 clamps tray 11, base plate 5 moves laterally to below sewing mechanism 3, positioning strip 61 retracts upward, and sewing mechanism 3 sews the first line along the lower edge of the open fabric and the top edge of the upper pocket fabric below.
[0054] Step 5, as Figure 5 As shown, the sewing mechanism 3 rises, the base plate 5 rises and moves laterally to the side below the laser cutting mechanism 2, and then another piece of fabric for sewing the pocket is manually placed under the sewing mechanism 3, and the base plate 5 returns to the side below the sewing mechanism 3.
[0055] Step 6: The base plate 5 presses down to press the fabric on the workbench, the sewing mechanism 3 descends, and sews the second line along the top edge of the open fabric and the top edge of the bottommost pocket fabric.
[0056] Step 7: During the process between Step 4 and Step 6, the rear pallet clamp 9 will transport the spare pallet 11 back to the bottom of the inserting mechanism 4.
[0057] Step 8: The sewing mechanism 3 rises, the base plate 5 moves horizontally to below the laser cutting mechanism 2, the base plate 5 rises, and the tray clamp 9 located behind it clamps the tray 11 below the base plate 5. Then the base plate 5 releases the tray 11, and the tray clamp 9 removes the tray 11.
[0058] Step nine: Repeat steps one through eight.
[0059] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A bag-opening process for a fully automatic bag-opening machine, the process employing the following bag-opening machine, the bag-opening machine comprising a frame (1) with a worktable, the frame (1) having three workstations arranged laterally corresponding to the worktable, the three workstations being a laser cutting mechanism (2), a sewing mechanism (3), and a knife insertion mechanism (4), a base plate (5) provided on the worktable that can move laterally along the three workstations, the base plate (5) being driven by a transverse movement mechanism (10) to move the fabric laterally on the worktable, a pressing mechanism (6) provided on the base plate (5), the pressing mechanism (6) being used to press the fabric on the base plate (5), a tray clamp (9) provided on the frame (1) for moving a tray (11), the tray (11) being used to support the fabric for sewing the bag, a material pulling mechanism (8) and a material fixing mechanism (7) provided on the base plate (5), characterized in that: The bag opening process includes the following steps: Step 1: Place a piece of fabric for the pocket opening on the substrate (5) below the laser cutting mechanism (2), place a piece of fabric for sewing the pocket on the tray (11), and then the outer pressure frame (66) moves down to coordinate 1 to press the fabric. The laser cutting mechanism (2) cuts a "Y" shaped opening according to the size of the pocket. Step 2: The base plate (5) is raised, and the base plate (5) moves the fabric to below the inserting mechanism (4). The fixed cutting knife (71) opens to form a fixed cutting port, and the front and rear pulling cutting knives (81) extend. The front and rear inserting plates (44) corresponding to the front and rear pulling cutting knives (81) move down to insert the corresponding fabric into the slot (82). Then the inserting plates (44) and the front and rear pulling cutting knives (81) retract in sequence. Then the left and right pulling cutting knives (81) extend, and the left and right inserting plates (44) corresponding to the left and right pulling cutting knives (81) move down to insert the corresponding fabric into the slot (82). Then the inserting plates (44) and the left and right pulling cutting knives (81) retract in sequence. Step 3: After the inserting knife mechanism (4) is reset, the positioning strip (61) moves to the center of the material outlet, the base plate (5) is pressed down onto the tray (11), and then the four material inserting knives (71) extend and press the edge of the fabric bag against the positioning strip (61) to reduce the material outlet. The outer pressure frame (66) is pressed down to coordinate two, and then the four material inserting knives (71) open to expand the material outlet, and the outer pressure frame (66) is pressed down to coordinate three. Step 4: Clamping block (14) clamps tray (11), base plate (5) moves laterally to below sewing mechanism (3), positioning strip (61) retracts upward, and sewing mechanism (3) sews the first line of the opening fabric and the fabric below it. Step 5: The sewing mechanism (3) rises, the base plate (5) rises and moves laterally to the side below the laser cutting mechanism (2), and then another piece of fabric for sewing the pocket is manually placed under the sewing mechanism (3), and the base plate (5) returns to the sewing mechanism (3). Step 6: The base plate (5) presses down to press the fabric on the workbench, the sewing mechanism (3) descends, and sews the second line along the upper edge of the open fabric and the bottom fabric. Step 7: During the process between Step 4 and Step 6, the rear pallet clamp (9) will transport the spare pallet (11) back to the bottom of the inserting mechanism (4); Step 8: The sewing mechanism (3) rises, the base plate (5) moves horizontally to below the laser cutting mechanism (2), the base plate (5) rises, and the tray clamp (9) located behind it clamps the tray (11) below the base plate (5). Then the base plate (5) releases the tray (11), and the tray clamp (9) takes away the tray (11). Step nine: Repeat steps one through eight.
2. The bag-opening process of a fully automatic bag-opening machine according to claim 1, characterized in that: The material pulling mechanism (8) includes two sets of material pulling blades (81) in the front and rear and left and right, cylinder five (83) and multi-link assembly two (84). Each material pulling blade (81) is provided with a slot (82). Cylinder five (83) is linked to the material pulling blade (81) through multi-link assembly two (84). The four material pulling blades (81) can move along the four vertical directions of the fixed material opening respectively. The fixed material mechanism (7) includes two sets of fixed material blades (71) in the front and rear and left and right, cylinder four (72) and multi-link assembly one (73). Cylinder four (72) is linked to the fixed material blade (71) through multi-link assembly one (73). The four fixed material blades (71) can move along the four vertical directions of the fixed material opening respectively. The fixed material blade (71) is located above the corresponding material pulling blade (81).
3. The bag-opening process of a fully automatic bag-opening machine according to claim 2, characterized in that: The inserting mechanism (4) includes a cylinder (41), a lifting plate (42), four sets of cylinders (43), and inserting plates (44). The cylinder (41) is mounted on the frame (1) and can drive the lifting plate (42) to rise and fall. The four sets of cylinders (43) are mounted on the lifting plate (42) and can drive the four inserting plates (44) to rise and fall respectively. The four inserting plates (44) can drive the fabric to be inserted into the slot (82).
4. The bag-opening process of a fully automatic bag-opening machine according to claim 1, characterized in that: The pressing mechanism (6) includes a fabric pressing plate (60) for pressing the fabric as a whole, an outer pressing frame (66) for pressing the outer sewing ring of the fabric, a positioning strip (61) for pressing the inner ring of the fabric, a lifting platform (62), a lifting assembly (63), an adjusting platform (64), an outer pressing frame (66), a lifting cylinder (65), and a transverse cylinder (67). The fabric pressing plate (60) and the outer pressing frame (66) are mounted on the lifting platform (62). The lifting assembly (63) is mounted on the base plate (5) and is used to drive the lifting platform (62) to rise and fall. The lifting cylinder (65) is mounted on the lifting platform (62) and is used to drive the adjusting platform (64) to rise and fall. The transverse cylinder (67) is mounted on the adjusting platform (64) and is used to drive the positioning strip (61) to move longitudinally.
5. The bag-opening process of a fully automatic bag-opening machine according to claim 1, characterized in that: A pair of cylinders (15) are arranged laterally on the base plate (5), and the output end of the pair of cylinders (15) is provided with a clamping block (14) for clamping the tray (11).
6. The bag-opening process of a fully automatic bag-opening machine according to claim 1, characterized in that: The pallet clamp (9) includes a coordinate moving module (91), a moving stage (92), a pair of clamping rods (93), and clamping cylinders (94). The coordinate moving module (91) is used to drive the moving stage (92) to move laterally and longitudinally. The pair of clamping cylinders (94) are arranged opposite to each other on the moving stage (92), and the pair of clamping rods (93) are arranged on the two cylinders (94) and correspond to the two sides of the pallet (11).
7. The bag-opening process of a fully automatic bag-opening machine according to claim 1, characterized in that: The frame (1) is also provided with an alignment plate (12) for assisting in the placement of the fabric. The alignment plate (12) is adjusted laterally by cylinder six (13).