Laser triangular bag opening opening mechanism

Abstract

The utility model relates to a laser triangular pocket mouth opening mechanism which comprises a working table, a laser mechanism and a material fixing mechanism are arranged on the working table, and a material folding mechanism used for flanging folded edges of cloth is arranged below the working table. The material fixing mechanism comprises a material fixing assembly used for fixing cloth, a material pressing assembly used for pressing the cloth and a pressing assembly used for pressing folded edges of the cloth, the material fixing assembly comprises a supporting plate and two slotting tool assemblies moving relatively, the supporting plate is installed on the workbench, the two slotting tool assemblies are symmetrically installed on the supporting plate, and the two slotting tool assemblies are arranged on the workbench. The slotting tool assembly comprises first air cylinders moving horizontally and slotting tools, the driving ends of the first air cylinders are connected with the slotting tools, material fixing grooves are formed in the slotting tools, and the two first air cylinders are used for driving the two slotting tools to move relatively to form a material fixing opening used for fixing cloth. The mechanism is simple in structure, convenient to operate and small in occupied space, and the material fixing efficiency and the material fixing accuracy are further improved.

Description

Technical Field

[0001] This utility model relates to the field of bag opening machine technology, and in particular to a laser triangular bag opening mechanism. Background Technology

[0002] In existing bag-opening mechanisms, the material-setting mechanism typically uses four insert blade assemblies to position the fabric at the bag opening. This four-insert-blade assembly not only incurs high operating costs and is cumbersome to operate, but also occupies a large space, failing to meet users' needs for simple operation, fast material setting speed, and low operating costs. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a laser triangular bag-opening mechanism. This mechanism has a simple structure, is easy to operate, occupies little space, and also improves the material setting efficiency and accuracy.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a laser triangular bag opening mechanism, including a worktable, on which a laser mechanism for cutting the fabric and a material fixing mechanism for pressing and positioning the fabric are provided, and a material folding mechanism for turning over the edge of the fabric is provided under the worktable.

[0005] The material setting mechanism includes a material setting component for setting the fabric, a pressing component for pressing the fabric, and a pressing component for pressing the fabric hem. The material setting component includes a support plate, an auxiliary plate, and two relatively movable insert knife assemblies. The support plate is mounted on a workbench, and the two insert knife assemblies are symmetrically mounted on the support plate. Each insert knife assembly includes a horizontally moving first cylinder and insert knives. The drive end of the first cylinder is connected to the insert knife, and the insert knife is provided with a material setting groove. The two first cylinders are used to drive the two insert knives to move relative to each other to form a material setting opening for setting the fabric. The auxiliary plate is mounted on the support plate and located above the two insert knives.

[0006] In one embodiment, the pressing assembly of the laser triangular bag-opening mechanism includes a support plate, a first pressing assembly, and a second pressing assembly. The support plate is mounted on a support plate, and the first and second pressing assemblies are mounted on the support plate. The first pressing assembly is located between the second pressing assemblies. The first and second pressing assemblies are used to press the cut and sewn parts of the fabric. The first pressing assembly includes a second cylinder with lifting motion, a second connecting plate, a pressure plate, and a first long pressing claw. The drive end of the second cylinder is connected to the second connecting plate, and the second connecting plate is connected to the pressure plate. The first long pressing claw is adjustablely mounted on the pressure plate. The second cylinder is used to drive the second connecting plate to move the first long pressing claw to press one end of the fabric.

[0007] In one embodiment, the second pressing component of the laser triangular bag-opening mechanism includes a lifting drive component, a connecting component, a pressing frame, a second long pressing claw, and two short pressing claws. The driving end of the lifting drive component is connected to the connecting component, and the connecting component is connected to the pressing frame. The second long pressing claw is installed at one end of the pressing frame, and the two short pressing claws are symmetrically installed at the left and right ends of the pressing frame. The first long pressing claw and the second long pressing claw are arranged opposite to each other, and a pressing space is formed between the first long pressing claw, the second long pressing claw, and the two short pressing claws. The lifting drive component is used to drive the connecting component to move the second long pressing claw and the two short pressing claws to press the fabric.

[0008] In one embodiment, the lifting drive assembly of the laser triangular bag-opening mechanism includes two fourth cylinders symmetrically mounted on the support plate. The connecting assembly includes two symmetrically arranged third connecting plates, one end of which is connected to the driving end of the two fourth cylinders, and the other end of which is connected to the two ends of the pressure frame near the first long pressure claw.

[0009] In one embodiment, the bottom of the first long pressure claw, the second long pressure claw, and the two short pressure claws of the laser triangular bag-opening mechanism are provided with a plurality of conical heads along the array for pressing the fabric.

[0010] In one embodiment, the pressing assembly of the laser triangular bag-opening mechanism includes a clamping plate and two symmetrically arranged lifting and lowering third cylinders. The driving ends of the two third cylinders are respectively connected to the two ends of the clamping plate. The two third cylinders are used to drive the clamping plate to press the folded edge of the fabric. The clamping plate is provided with a rectangular opening, and a number of grooves adapted to the folding mechanism are provided along the circumference of the rectangular opening.

[0011] In one embodiment, the laser mechanism of the laser triangular bag-cutting mechanism includes a support frame, a three-axis drive mechanism, and a laser head. The three-axis drive mechanism is mounted on the support frame, and the drive end of the three-axis drive mechanism is connected to the laser head. The three-axis drive mechanism is used to drive the laser head to cut the bag opening of the fabric.

[0012] In one embodiment, the folding mechanism of the laser triangular bag-opening mechanism includes a support base and a lifting mechanism for driving the support base to move up and down. The two ends of the support base are symmetrically provided with first folding components for folding the short folds of the fabric, which move relative to each other. The support base is symmetrically provided with two second folding components for folding the long folds of the fabric, which move relative to each other. The first folding component includes a first connecting plate, an L-shaped first folding plate, a first horizontal driving mechanism, and a first lifting driving mechanism. The L-shaped first folding plate is slidably mounted on the first connecting plate. The driving end of the first horizontal driving mechanism is connected to the L-shaped first folding plate. The driving end of the first lifting driving mechanism is connected to the first connecting plate. The first connecting plate is slidably engaged with the support base.

[0013] In one embodiment, the second folding component of the laser triangular bag-opening mechanism includes a second horizontal drive mechanism and a second folding plate. The second horizontal drive mechanism is mounted on a support base, and the drive end of the second horizontal drive mechanism is connected to the second folding plate. The second folding plate is slidably engaged with the support base, and the second folding plate is provided with a plurality of L-shaped folding teeth adapted to the pressing component.

[0014] The beneficial effects of this application are as follows:

[0015] This application provides a laser triangular bag-opening mechanism. This mechanism, by setting up a laser mechanism, a material fixing mechanism and a material folding mechanism to cooperate with each other, realizes the automated bag-opening operation of fabric and improves work efficiency.

[0016] The laser triangular bag-opening mechanism uses two relatively moving inserting knife components in its material-setting component, which not only saves operating costs but also improves material-setting efficiency and accuracy.

[0017] The pressure assembly of this laser triangular bag-opening mechanism uses a first pressure assembly and a second pressure assembly to press the fabric circumferentially, which greatly improves the flatness of the pressed fabric and ensures production quality. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a laser triangular bag-opening mechanism according to an embodiment of this application;

[0019] Figure 2 This is a schematic diagram of the material setting mechanism of the laser triangular bag-opening mechanism according to an embodiment of this application;

[0020] Figure 3 This is a schematic diagram of the material-fixing component of the laser triangular bag-opening mechanism according to an embodiment of this application;

[0021] Figure 4 This is a schematic diagram of the pressing assembly of the laser triangular bag-opening mechanism according to an embodiment of this application;

[0022] Figure 5 This is a schematic diagram of the pressing assembly of the laser triangular bag-opening mechanism according to an embodiment of this application;

[0023] Figure 6 This is a schematic diagram of the material-folding mechanism of the laser triangular bag-opening mechanism according to an embodiment of this application;

[0024] Figure 7 This is a schematic diagram of the L-shaped first and second folding plates of the laser triangular bag-opening mechanism according to an embodiment of this application;

[0025] in:

[0026] 1. Material positioning mechanism; 2. Material bending mechanism; 3. Laser mechanism; 4. Worktable; 11. Material positioning assembly; 12. Material pressing assembly; 13. Pressing assembly; 111. Support plate; 112. Inserting knife assembly; 113. Auxiliary plate; 100. First cylinder; 101. Inserting knife; 102. Material positioning groove; 121. Support plate; 122. First pressing assembly; 123. Second pressing assembly; 001. Second cylinder; 002. Second connecting plate; 003. First long pressing claw; 004. Lifting drive assembly; 005. Connecting assembly; 006. Pressing frame; 007. Second long pressing claw; 008. Short pressing claw; 0 09. Fourth cylinder; 010. Third connecting plate; 011. Pressure plate; 106. Conical head; 131. Clamping plate; 132. Third cylinder; 133. Rectangular opening; 134. Groove; 21. Support base; 22. Lifting mechanism; 23. First folding assembly; 24. Second folding assembly; 231. First connecting plate; 232. L-shaped first folding plate; 233. First horizontal drive mechanism; 234. First lifting drive mechanism; 241. Second horizontal drive mechanism; 242. Second folding plate; 243. L-shaped folding teeth; 31. Support frame; 32. Three-axis drive mechanism; 33. Laser head. Detailed Implementation

[0027] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0028] like Figure 1 As shown, an embodiment of this application provides a laser triangular bag-opening mechanism, including a worktable 4. The worktable 4 is provided with a laser mechanism 3 for cutting the fabric and a material-fixing mechanism 1 for pressing and positioning the fabric. The worktable 4 is provided with a folding mechanism 2 for folding the fabric edges.

[0029] like Figure 2 and Figure 3 As shown, the material setting mechanism 1 includes a material setting component 11 for setting the fabric, a pressing component 12 for pressing the fabric, and a pressing component 13 for pressing the fabric hem. The material setting component 11 includes a support plate 111, an auxiliary plate 113, and two relatively movable insert knife assemblies 112. The support plate 111 is mounted on the workbench 4, and the two insert knife assemblies 112 are symmetrically mounted on the support plate 111. Each insert knife assembly 112 includes a horizontally moving first cylinder 100 and an insert knife 101. The driving end of the first cylinder 100 is connected to the insert knife 101. The insert knife 101 is provided with a material setting groove 102. The two first cylinders 100 are used to drive the two insert knives 101 to move relative to each other to form a material setting opening for setting the fabric. The auxiliary plate 113 is mounted on the support plate 111 and is located above the two insert knives 101.

[0030] Specifically, the two first cylinders 100 drive the insert blades 101 to move relative to each other. When the two insert blades 101 are combined, the material-fixing grooves 102 of the two insert blades 101 form a material-fixing opening for the fabric. Then the fabric is placed on the material-fixing component 11, and the pressing component 12 moves downward to press the fabric. The three-axis drive mechanism 32 of the laser mechanism 3 drives the laser head 33 to cut the fabric and open the bag. Then the two second folding components 24 of the folding mechanism 2 first extend to fold the long fold of the fabric downward. Then the two first folding components 23 of the folding mechanism 2 extend to fold the short fold of the fabric downward. The multiple grooves 134 of the clamping plate 131 of the pressing component 13 pass through the two first folding components 23 and the two second folding components 24 to press the fold of the fabric. The two first folding components 23 and the two second folding components 24 of the folding mechanism 2 move downward to release the fabric, which passes through the clamping plate 131 and resets.

[0031] In the above structure, by setting material-fixing grooves 102 on the two insert blades 101 respectively, and driving the insert blades 101 to move relative to each other with the two first cylinders 100, the material-fixing grooves 102 of the two insert blades 101 form a material-fixing opening for cutting the fabric, which improves the material-fixing efficiency and accuracy, and also saves operating costs. Furthermore, the laser mechanism 3, the material-fixing mechanism 1, and the folding mechanism 2 work together to achieve automated bag-opening operation of the fabric, greatly improving work efficiency. This laser triangular bag-opening mechanism is not only simple in structure and easy to operate, but also greatly saves operating costs and improves work efficiency and bag-opening accuracy.

[0032] like Figure 4As shown, in one embodiment, the pressing assembly 12 of the laser triangular bag-opening mechanism includes a support plate 121, a first pressing assembly 122, and a second pressing assembly 123. The support plate 121 is mounted on a support plate 111, and the first pressing assembly 122 and the second pressing assembly 123 are mounted on the support plate 121. The first pressing assembly 122 is located between the second pressing assemblies 123. The first pressing assembly 122 and the second pressing assembly 123 are used to press the cut and sewn parts of the fabric. The first pressing assembly 122 includes a second cylinder 001 for lifting and lowering, a second connecting plate 002, a pressure plate 011, and a first long pressing claw 003. The driving end of the second cylinder 001 is connected to the second connecting plate 002, and the second connecting plate 002 is connected to the pressure plate 011. The first long pressing plate 003 is adjustablely mounted on the pressure plate 011. The second cylinder 001 is used to drive the second connecting plate 002 to drive the first long pressing claw 003 to press one end of the fabric. After the two inserts 101 of the material positioning component 11 form the material positioning opening, the fabric is manually placed above the opening. The second cylinder 001 drives the second connecting plate 002 to move the first long pressure claw 003 downwards to press one end of the fabric opening circumferentially. The lifting drive component 004 of the second pressing component 123 drives the connecting component 005 to press the second long pressure claw 007 and two short pressure claws 008 to press the other three ends of the fabric opening circumferentially. During the cutting or sewing process, there are usually inconsistent fabric thicknesses. The first pressing component 122 can press one end of the fabric first, and then the second pressing component 123 can press the other three ends. The pressing order of the first pressing component 122 and the second pressing component 123 can be adjusted according to the user's production process requirements. This setup not only improves the pressing efficiency and strength, ensuring that the fabric does not move during cutting and sewing, facilitating the cutting and sewing operations of the laser mechanism 3 and the sewing mechanism, but also improves the flatness of the pressed fabric, ensuring production quality.

[0033] like Figure 4As shown, in one embodiment, the second pressing component 123 of the laser triangular bag-opening mechanism includes a lifting drive component 004, a connecting component 005, a pressing frame 006, a second long pressing claw 007, and two short pressing claws 008. The driving end of the lifting drive component 004 is connected to the connecting component 005, and the connecting component 005 is connected to the pressing frame 006. The second long pressing claw 007 is installed at one end of the pressing frame 006, and the two short pressing claws 008 are symmetrically installed at the left and right ends of the pressing frame 006. The first long pressing claw 003 and the second long pressing claw 007 are arranged opposite to each other, and a pressing space is formed between the first long pressing claw 003, the second long pressing claw 007, and the two short pressing claws 008. The lifting drive component 004 is used to drive the connecting component 005 to move the second long pressing claw 007 and the two short pressing claws 008 to press the fabric. The lifting drive assembly 004 drives the connecting assembly 005 to move the pressure frame 006 toward the fabric. The pressure frame 006 drives the second long pressure claw 007 and two short pressure claws 008 to press the three ends of the fabric circumferentially. Finally, the first long pressure claw 003, the second long pressure claw 007, and the two short pressure claws 008 press the fabric circumferentially at the opening of the bag. This arrangement improves the pressing efficiency and stability of the fabric.

[0034] like Figure 4 As shown, in one embodiment, the lifting drive assembly 004 of the laser triangular bag-opening mechanism includes two fourth cylinders 009, which are symmetrically mounted on the support plate 121. The connecting assembly 005 includes two symmetrically arranged third connecting plates 010. One end of each third connecting plate 010 is connected to the driving end of the two fourth cylinders 009, and the other end of each third connecting plate 010 is connected to the two ends of the pressure frame 006 near the first long pressure claw 003. The two fourth cylinders 009 simultaneously drive the two third connecting plates 010 to move the second long pressure claw 007 and the two short pressure claws 008 on the pressure frame 006 to press the fabric. This arrangement greatly improves the lifting drive efficiency and stability.

[0035] like Figure 4 As shown, in one embodiment, the bottom of the first long pressure claw 003, the second long pressure claw 007, and the two short pressure claws 008 of the laser triangular bag-opening mechanism are arranged with a plurality of conical heads 106 for pressing the fabric along an array. Since the fabric is relatively smooth, using multiple conical heads 106 at the bottom of the first long pressure claw 003, the second long pressure claw 007, and the two short pressure claws 008 to press the fabric increases the friction between the fabric and the first long pressure claw 003, the second long pressure claw 007, and the two short pressure claws 008, while also increasing the pressing strength.

[0036] like Figure 2 and Figure 5As shown, in one embodiment, the pressing assembly 13 of the laser triangular bag-opening mechanism includes a clamping plate 131 and two symmetrically arranged lifting and lowering third cylinders 132. The driving ends of the two third cylinders 132 are respectively connected to both ends of the clamping plate 131. The two third cylinders 132 are used to drive the clamping plate 131 to press the folded edge of the fabric. The clamping plate 131 is provided with a rectangular opening 133, and a plurality of grooves 134 adapted to the folding mechanism 2 are provided along the circumference of the rectangular opening 133. When the folding mechanism 2 folds down the long and short folded edges of the fabric respectively, the two third cylinders 132 simultaneously drive the clamping plate 131 to move upward. The grooves 134 of the clamping plate 131 pass through the L-shaped folding teeth 243 of the second folding plate 242 and the first folding plate to press the folded edge of the fabric. This setting facilitates the pressing of the fabric folds and improves the flatness of the pressed fabric folds, thereby improving the flatness and accuracy of the fabric opening.

[0037] like Figure 1 As shown, in one embodiment, the laser mechanism 3 of the laser triangular bag-opening mechanism includes a support frame 31, a three-axis drive mechanism 32, and a laser head 33. The three-axis drive mechanism 32 is mounted on the support frame 31, and its drive end is connected to the laser head 33. The three-axis drive mechanism 32 drives the laser head 33 to cut the fabric at the bag opening. When the fabric is pressed tightly, the three-axis drive mechanism 32 drives the laser head 33 to perform triangular cutting to open the bag. This configuration improves the cutting efficiency of the fabric.

[0038] like Figure 6As shown, in one embodiment, the folding mechanism 2 of the laser triangular bag-opening mechanism includes a support base 21 and a lifting mechanism 22 for driving the support base 21 to move up and down. The two ends of the support base 21 are symmetrically provided with a first folding component 23 for folding the short fold of the fabric, which moves relative to each other. The support base 21 is symmetrically provided with two second folding components 24 for folding the long fold of the fabric, which moves relative to each other. The first folding component 23 includes a first connecting plate 231, an L-shaped first folding plate 232, a first horizontal driving mechanism 233 and a first lifting driving mechanism 234. The L-shaped first folding plate 232 is slidably mounted on the first connecting plate 231. The driving end of the first horizontal driving mechanism 233 is connected to the L-shaped first folding plate 232. The driving end of the first lifting driving mechanism 234 is connected to the first connecting plate 231. The first connecting plate 231 is slidably engaged with the support base 21. After the laser mechanism 3 cuts the fabric, the lifting mechanism 22 drives the support base 21 to move the two second folding components 24 upward. The two second folding components 24 first fold and press down the long folded edges of the fabric. Then, the two first lifting drive mechanisms 234 simultaneously drive the first connecting plate 231 to move the L-shaped first folding plate 232 upward to extend the fabric. Then, the two first lifting drive mechanisms 234 drive the L-shaped first folding plate 232 to press down the short folded edges of the fabric. When it is pressed down to the bottom of the support plate 111, the two first horizontal drive mechanisms 233 simultaneously drive the L-shaped first folding plate 232 to move relative to each other, folding the short folded edges of the fabric at both ends onto the bottom of the support plate 111. This setting not only realizes the folding of the fabric edges but also improves the folding efficiency.

[0039] like Figure 7 As shown, in one embodiment, the second folding component 24 of the laser triangular bag-opening mechanism includes a second horizontal drive mechanism 241 and a second folding plate 242. The second horizontal drive mechanism 241 is mounted on the support base 21, and its drive end is connected to the second folding plate 242. The second folding plate 242 is slidably engaged with the support base 21. The second folding plate 242 is provided with a plurality of L-shaped folding teeth 243 adapted to the pressing component 13. The lifting mechanism 22 drives the support base 21 to move the second folding plate 242 upward to extend the fabric. Then, the lifting mechanism 22 drives the plurality of L-shaped folding teeth 243 of the second folding plate 242 to move upward to press down the long folded edge of the fabric. When the pressing reaches the bottom of the tray 111, the second horizontal drive mechanism 241 drives the plurality of L-shaped folding teeth 243 of the second folding plate 242 to move horizontally to fold the long folded edge of the fabric to the bottom of the tray 111. This setting improves the efficiency and accuracy of folding the fabric.

[0040] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A laser-driven triangular bag-opening mechanism, characterized in that, It includes a workbench (4), on which a laser mechanism (3) for cutting the fabric and a material fixing mechanism (1) for pressing and positioning the fabric are provided, and a folding mechanism (2) for turning over the edge of the fabric is provided under the workbench (4). The material setting mechanism (1) includes a material setting component (11) for setting the fabric, a pressing component (12) for pressing the fabric, and a pressing component (13) for pressing the fabric hem. The material setting component (11) includes a support plate (111), an auxiliary plate (113), and two relatively movable inserting knife assemblies (112). The support plate (111) is mounted on the workbench (4), and the two inserting knife assemblies (112) are symmetrically mounted on the support plate (111). The insert assembly (112) includes a horizontally moving first cylinder (100) and an insert (101). The drive end of the first cylinder (100) is connected to the insert (101). The insert (101) is provided with a material-fixing groove (102). The two first cylinders (100) are used to drive the two inserts (101) to move relative to each other to form a material-fixing opening for fixing the fabric. An auxiliary plate (113) is mounted on a support plate (111) and located above the two inserts (101).

2. The laser triangular bag-opening mechanism according to claim 1, characterized in that, The pressing assembly (12) includes a support plate (121), a first pressing assembly (122), and a second pressing assembly (123). The support plate (121) is mounted on the support plate (111), and the first pressing assembly (122) and the second pressing assembly (123) are mounted on the support plate (121). The first pressing assembly (122) is located between the second pressing assembly (123). The first pressing assembly (122) and the second pressing assembly (123) are used to press the cut and sewn parts of the fabric. The first pressing assembly (122) includes a lifting mechanism. The device includes a second cylinder (001), a second connecting plate (002), a pressure plate (011), and a first long pressure claw (003). The driving end of the second cylinder (001) is connected to the second connecting plate (002). The second connecting plate (002) is slidably engaged with the support plate (121). The second connecting plate (002) is connected to the pressure plate (011). The first long pressure claw (003) is adjustablely mounted on the pressure plate (011). The second cylinder (001) is used to drive the second connecting plate (002) to drive the first long pressure claw (003) to press one end of the fabric.

3. The laser triangular bag-opening mechanism according to claim 2, characterized in that, The second pressing assembly (123) includes a lifting drive assembly (004), a connecting assembly (005), a pressing frame (006), a second long pressing claw (007), and two short pressing claws (008). The driving end of the lifting drive assembly (004) is connected to the connecting assembly (005), the connecting assembly (005) is connected to the pressing frame (006), and the connecting assembly (005) is slidably engaged with the support plate (121). The second long pressing claw (007) is adjustablely mounted on the pressing frame (006). At one end of 06), two short pressure claws (008) are adjustablely installed on the left and right ends of the pressure frame (006). The first long pressure claw (003) and the second long pressure claw (007) are arranged opposite to each other, and a pressing space is formed between the first long pressure claw (003), the second long pressure claw (007) and the two short pressure claws (008). The lifting drive assembly (004) is used to drive the connecting assembly (005) to drive the second long pressure claw (007) and the two short pressure claws (008) to press the fabric.

4. The laser triangular bag-opening mechanism according to claim 3, characterized in that, The lifting drive assembly (004) includes two fourth cylinders (009), which are symmetrically mounted on the support plate (121). The connecting assembly (005) includes two symmetrically arranged third connecting plates (010). One end of each third connecting plate (010) is connected to the drive end of the two fourth cylinders (009), and the other end of each third connecting plate (010) is connected to the two ends of the pressure frame (006) near the first long pressure claw (003).

5. The laser triangular bag-opening mechanism according to claim 3, characterized in that, The bottom of the first long pressure claw (003), the second long pressure claw (007) and the two short pressure claws (008) are provided with a plurality of conical heads (106) for pressing the fabric along the array.

6. The laser triangular bag-opening mechanism according to claim 1, characterized in that, The pressing assembly (13) includes a clamping plate (131) and two symmetrically arranged lifting and lowering third cylinders (132). The driving ends of the two third cylinders (132) are respectively connected to the two ends of the clamping plate (131). The two third cylinders (132) are used to drive the clamping plate (131) to press the folded edge of the fabric. The clamping plate (131) is provided with a rectangular opening (133), and a number of grooves (134) adapted to the folding mechanism (2) are provided along the circumference of the rectangular opening (133).

7. The laser triangular bag-opening mechanism according to claim 1, characterized in that, The laser mechanism (3) includes a support frame (31), a three-axis drive mechanism (32) and a laser head (33). The three-axis drive mechanism (32) is mounted on the support frame (31). The drive end of the three-axis drive mechanism (32) is connected to the laser head (33). The three-axis drive mechanism (32) is used to drive the laser head (33) to cut the bag opening of the fabric.

8. The laser triangular bag-opening mechanism according to claim 1, characterized in that, The folding mechanism (2) includes a support base (21) and a lifting mechanism (22) for driving the support base (21) to move up and down. The two ends of the support base (21) are symmetrically provided with a first folding component (23) for folding the short fold of the fabric. The support base (21) is symmetrically provided with two second folding components (24) for folding the long fold of the fabric. The first folding component (23) includes a first connecting plate (231), an L-shaped first folding plate (232), a first horizontal driving mechanism (233), and a first lifting driving mechanism (234). The L-shaped first folding plate (232) is slidably mounted on the first connecting plate (231). The driving end of the first horizontal driving mechanism (233) is connected to the L-shaped first folding plate (232). The driving end of the first lifting driving mechanism (234) is connected to the first connecting plate (231). The first connecting plate (231) is slidably engaged with the support base (21).

9. The laser triangular bag-opening mechanism according to claim 8, characterized in that, The second folding assembly (24) includes a second horizontal drive mechanism (241) and a second folding plate (242). The second horizontal drive mechanism (241) is mounted on the support base (21). The drive end of the second horizontal drive mechanism (241) is connected to the second folding plate (242). The second folding plate (242) is slidably engaged with the support base (21). The second folding plate (242) is provided with a plurality of L-shaped folding teeth (243) that are adapted to the pressing assembly (13).

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