Cutting and cloth pressing mechanism for bag opening machine

Abstract

The utility model discloses a cutting and cloth pressing mechanism for a pocket opening machine, which comprises a base component, an external pressing component and an internal pressing component, both the external pressing component and the internal pressing component are fixed on the base component, the external pressing component can realize the functions of opening, folding and pressing pocket cloth, and the internal pressing component can realize the fixation of the pocket cloth and cloth to be sewn. A first limiting assembly and a second limiting assembly in the outer pressing assembly are matched with a third limiting assembly to be meshed and driven by a gear and a rack, the position of a bag opening of a cloth bag is adjusted, and therefore the width and the length of the bag opening are set to be changed, and a modularized pressing block in the inner pressing assembly is formed by combining a plurality of different pressing blocks. Various shapes can be formed according to requirements, the quick switching requirements of multi-specification bag openings are met, and the production efficiency is improved.

Description

Technical Field

[0001] This invention belongs to the field of intelligent sewing equipment technology, specifically relating to a cutting and pressing mechanism for a bag opening machine, which is particularly suitable for the automated cutting, folding and fixing of fabric bag openings. Background Technology

[0002] In the garment manufacturing process, pocket opening and patching are extremely common and critical processes, and the quality of their processing technology plays a decisive role in production efficiency and product quality. Currently, most pocket opening and patching operations on the market rely on manual labor. Manual operation, from cutting and folding the pocket fabric to fixing it to the fabric to be sewn, is limited by individual skill differences, resulting in extremely low efficiency and making it difficult to keep pace with large-scale production. At the same time, product quality fluctuates greatly, making it impossible to guarantee consistency. Regarding automated pocket opening and patching equipment, the precision of pocket fabric opening and folding is poor, fabric fixing is unstable, and the overall operation process is cumbersome and complex, greatly restricting the improvement of production efficiency and product quality. Furthermore, these automated devices are generally designed with fixed structures, only adaptable to processing pocket fabrics of specific shapes and sizes. When faced with diverse pocket styles and specifications, they are helpless, unable to achieve rapid switching and adjustment, and have extremely poor versatility. As the garment manufacturing industry rapidly develops towards automation, high precision, and diversification, developing a cutting and pressing mechanism for bag-opening machines that can overcome structural limitations and significantly improve versatility has become a key issue that the industry urgently needs to address. Utility Model Content

[0003] Those skilled in the art have provided a cutting and pressing mechanism for a bag-opening machine to solve the problems mentioned in the background art.

[0004] The technical solution proposed by this utility model is as follows:

[0005] A cutting and pressing mechanism for a pocket opening machine includes a base assembly, an outer pressing assembly, and an inner pressing assembly. Both the outer and inner pressing assemblies are fixed to the base assembly. The outer pressing assembly enables the opening and hemming of the pocket fabric, while the inner pressing assembly secures the pocket opening fabric to the fabric to be sewn. The inner pressing assembly consists of a drive module, a support module, and a pressing block module. The pressing block module comprises several pressing blocks, which, when combined, form a closed loop. The drive module consists of cylinders five and six, and a lead screw motor. The support module consists of a support base and a bracket assembly, which is fixed to the support base. The lead screw motor and the pressing block module are both connected to the bracket assembly. The lead screw motor drives the pressing blocks on both sides of the pressing block module on the bracket assembly to move left and right, allowing the pressing block module to be adjustable along its length. Cylinders five and six are connected to the support base. Cylinder five drives the support base to move back and forth horizontally, and cylinder six drives the support base to move up and down vertically.

[0006] More preferably, the support assembly consists of support one, two supports two, and support three. The two supports two are arranged in parallel, and supports one and three are arranged in parallel. Support two is connected to support one. The pressure block template consists of two pressure blocks one, two pressure blocks two, two pressure blocks three, two pressure blocks four, two pressure blocks five, and two pressure blocks six. The two pressure blocks six are respectively fixed on support two. One pressure block one, one pressure block two, one pressure block three, one pressure block four, and one pressure block five are fixed on support three in sequence. Support four is connected to each end of support three. The other end of support four is connected to support one.

[0007] More preferably, it also includes a guide rail with two sliders that can slide along the guide rail. Pressure block one and pressure block five are respectively connected to the two sliders. A pressure block fixing plate is fixed on the guide rail between the two sliders. The pressure block fixing plate is connected to pressure block two, pressure block three, and pressure block four. It also includes a connecting plate, which is fixed on bracket one and connected to the pressure block fixing plate. The connecting plate is also provided with several grooves. Nuts pass through the grooves to connect the connecting plate to the pressure block fixing plate. The position of the nut in the groove is adjustable, which drives the relative position of the pressure block fixing plate and the connecting plate to be adjustable, thereby driving the pressure block module connected to it to be adjustable along its width direction.

[0008] More preferably, the lead screw motor is connected to the bidirectional spiral lead screw, which is arranged parallel to the first bracket. The bidirectional spiral lead screw has two fixed rods with internal threads, and the thread direction is opposite to the thread direction on the bidirectional spiral lead screw of its connecting section. The two fixed rods are respectively connected to the two second brackets. The lead screw motor drives the bidirectional spiral lead screw to rotate, so that the two fixed rods achieve reverse synchronous movement under the engagement of the internal threads and the threads of the bidirectional spiral lead screw, thereby driving the second brackets connected to each other to move in the opposite synchronous movement along the first bracket.

[0009] More preferably, the top of the slider is provided with a locking groove, the locking pin is fixedly connected to the bracket two through the locking pin fixing block, and the other end of the locking pin is located in the locking groove and can move in the locking groove.

[0010] Preferably, the external pressure assembly includes a limiting component one, a limiting component two, and a limiting component three. The limiting components one, two, and three are all fixedly installed on the base assembly. An extension plate is bolted to the front end of the base assembly. The base assembly includes a slide plate, a rear upright plate, side upright plates, a triangular plate, a dual motor mount, a single motor mount, and a fixing plate one. The rear upright plate is bolted to the upper rear side of the slide plate and serves as the mounting base for the triangular plate, dual motor mount, and single motor mount. The two side upright plates are bolted to the rear sides of the slide plate and serve as the mounting base for the drive device of the limiting component one. The dual motor mount and single motor mount are both fixedly installed at the front end of the rear upright plate. The triangular plate serves as a reinforcing rib between the dual motor mount and the rear upright plate. The fixing plate one is fixed to the slide plate and serves as a reinforcing rib for the single motor mount.

[0011] More preferably, the limiting component one includes a lead screw seat, a sleeve seat, a cylinder one, a connecting plate one, a pulling plate one, a cylinder two, a connecting plate two, and a limiting plate one. The lead screw seat is fixedly installed on the inner end face of the side plate. A rotating lead screw of a corresponding driving device is movably installed on the rear side of the lead screw seat. A sleeve seat is sleeved on the rotating lead screw. A corresponding sliding rod passes through the bottom of the sleeve seat. The sliding rod is fixed on the rear plate. A cylinder one is fixedly installed at the front end of the sleeve seat. A connecting plate one is fixedly installed at the front end of the cylinder one. The same pulling plate one is fixedly installed between the two connecting plates one. Cylinder two is fixedly installed on both the left and right sides of the front end of the rear plate. A connecting plate two is fixedly installed at the front end of the cylinder two. The same limiting plate one is fixedly installed at the end of the two connecting plates two.

[0012] More preferably, the limiting component two includes a motor one, a screw sleeve one, a Z-shaped folding plate, a fixing plate two, an L-shaped rack, a thick gear one, a short rack, a T-shaped plate, a sliding sleeve one, a cylinder three, a slide rail, an upper base plate, a sliding sleeve two, a cylinder seat, a connecting plate three, a limiting plate two, a top seat, a cylinder four, a cylinder connecting plate, and a pulling plate two. The motor one is fixedly installed on the rear right side of the dual motor base, and a lead screw is fixedly installed on the output shaft of the left end of the motor one. A screw sleeve one is sleeved on the lead screw, and the rear end of the screw sleeve one... A Z-shaped folding plate is fixedly installed. A corresponding groove is provided on the front end face of the rear upright plate. This groove is used for the left and right sliding limit of the Z-shaped folding plate. A second fixing plate is fixedly installed at the front end of the Z-shaped folding plate. Two centrally symmetrical L-shaped racks are provided below the second fixing plate. The two L-shaped racks are bolted together to form a long rack, which is bolted to the second fixing plate. A thick gear is provided on the front side of each of the two L-shaped racks. The lower part of the thick gear meshes with the L-shaped rack, and the upper left side of the thick gear... The device is equipped with short racks that mesh with each other. T-shaped plates are positioned above both racks, arranged symmetrically. A cylinder (3) is fixedly mounted above one end of the T-shaped plate closest to the side upright. A sliding sleeve (1) is fixedly mounted above the middle of the T-shaped plate. A drive screw seat is fixedly connected between the two T-shaped plates. A drive screw is movably mounted at the rear end of the drive screw seat, meshing with a drive screw sleeve on the top seat. Several slide rails are bolted to the rear end of the upper base plate. Several sliding sleeves (2) fitted onto the slide rails are fixedly mounted on the slide groove plate. The two T-shaped plates are fixedly connected to two of the slide rails. A cylinder seat is fixedly mounted on the rear output shaft of cylinder (3). A connecting plate (3) is fixedly mounted at the bottom of the cylinder seat. A limiting plate (2) is fixedly mounted between the ends of the two connecting plates (3). A drive screw sleeve is fixedly mounted at the middle of the upper end of the top seat. Cylinders (4) are fixedly mounted on both the left and right sides of the upper end of the top seat. A cylinder connecting plate is fixedly mounted at the front end of cylinder (4). The same pulling plate (2) is fixedly mounted at the front ends of the two cylinder connecting plates.

[0013] Preferably, the limiting component three includes a motor two, a lead screw, a screw sleeve two, a connecting rod one, a rack one, a connecting rod three, a thick gear two, a limiting wheel one, a limiting wheel two, a rack two, a connecting piece one, a rack three, a gear set one, an auxiliary gear one, a rack ten, a pulling component, a gear shaft, a limiting wheel set, a motor three, a lead screw, a screw sleeve three, a connecting rod two, a connecting plate four, a rack four, a limiting wheel three, a thick gear three, a rack five, a limiting wheel four, a connecting piece two, a rack six, a rack seven, a gear set two, an auxiliary gear two, a rack eight, and a limiting piece. The motor two is fixedly mounted on a single motor base. A lead screw is fixedly mounted on the left end of the motor two. A screw sleeve two is meshed on the lead screw. A connecting rod one is fixedly mounted on the lower end of the screw sleeve two. A rack one is bolted to the upper left and right ends of the connecting rod three. The connecting rod one is fixedly connected to the rack one on the left side. A thick gear two is provided in front of the rack one. The thick gear two is rotatably mounted on the slide groove. On the plate, a limit wheel 1 is provided at the rear end of rack 1, and the wheel seat of limit wheel 1 is fixedly installed on the slide plate. Rack 2 is arranged longitudinally below rack 1. Rack 2 is located to the left of thick gear 2, and the lower part of thick gear 2 meshes with rack 2. Limit wheel 2 is provided to the left of rack 2, and the wheel seat of limit wheel 2 is fixedly installed on the slide plate. Rack 9 is fixedly installed above the front end of rack 2 on the left side. Connector 1 is bolted to the front end of rack 2 on the right side. Rack 3 is bolted to the front end of connector 1. Two gear sets 1 are provided between rack 3 and rack 9. Gear sets 1 are constructed by connecting a bottom small gear ring and a top large gear ring. The bottom small gear rings of the two gear sets 1 mesh with rack 3 and rack 9 respectively. Rack 10 is provided on the front side of the top large gear of each of the two gear sets 1. Pulling parts are fixedly installed at the ends of the two rack 10 that are close to each other. Auxiliary gear 1 is provided behind the two rack 10.

[0014] More preferably, the motor three is fixedly installed on the right front side of the dual motor base, and a screw is fixedly installed on the left output shaft of the motor three. A screw sleeve three is meshed on the screw, and a connecting rod two is fixedly installed on the lower end of the screw sleeve three. A rack four is bolted to the upper left and right ends of the connecting plate four. A thick gear three is provided behind the rack four and is rotatably mounted on the slide plate. The upper part of the thick gear three meshes with the rack four. A limit wheel three is provided in front of the rack four, and the wheel seat of the limit wheel three is fixedly installed on the slide plate. A rack five is longitudinally provided below the rack four and meshes with the lower part of the thick gear three. A limit wheel four is provided on the left side of the rack five. The wheel seat of the limiting wheel four is fixedly mounted on the slide plate. The rack seven is fixedly mounted above the front end of the rack five on the left side. The front end of the rack five on the right side is bolted to the connecting piece two. The front end of the connecting piece two is bolted to the rack six. Two gear sets two are set between the rack six and the rack seven. The gear sets two are constructed by connecting the bottom small gear ring and the top large gear ring. The bottom small gear rings of the two gear sets two mesh with the rack six and the rack seven respectively. The front side of the top large gear of the two gear sets two is provided with corresponding meshing rack eight. The ends of the two rack eight that are close to each other are fixedly mounted with limiting pieces. The rear of the two rack eight is provided with meshing auxiliary gear two.

[0015] More preferably, rack 10 and rack 8 are kept horizontally parallel, and a limit wheel set is provided on the front side of rack 10 and rack 8. The wheel seat of the limit wheel set is fixedly mounted on the slide plate. Gear set 2 and auxiliary gear 1 are coaxially positioned by a gear shaft, which is fixedly mounted on the slide plate. Gear set 1 and auxiliary gear 2 are also coaxially positioned by a gear shaft.

[0016] Compared with the prior art, the present invention has the following technical advantages:

[0017] 1. When this utility model is working, the position of the opening of the fabric bag is adjusted by the meshing of the gear and rack of the limiting component one and limiting component two in the external pressure component and the limiting component three mechanism. This allows for the setting and change of the width and length of the bag opening, adapting to the needs of quick switching of multiple bag opening specifications. The mold adjustment is quick and easy, reducing technical requirements and increasing production efficiency.

[0018] 2. In the external pressure assembly of this utility model, the motor drives the lead screw to engage the connected rack and pinion gears, and the adjustment structure is centrally set on the same base device, reducing the need for additional transmission components. Users do not need to customize molds for bag opening specifications, thus reducing the cost of customization.

[0019] 3. In this invention, the limiting components in the external pressure assembly operate in layers. Limiting component one fixes the fabric position from the base layer, limiting component two performs secondary precise adjustment, and limiting component three performs a final calibration. These three layers work together to comprehensively prevent fabric shifting during processing, ensuring sewing quality and producing high-quality products.

[0020] 4. In the internal pressure assembly of this utility model, the modular pressure block is composed of multiple different pressure blocks that can be combined to form various shapes as needed. With a multi-stage drive design, namely, motors five and six working in conjunction with the lead screw motor, the pressure block module can be controlled from different directions, allowing for flexible adjustment and easy adaptation to various complex bag opening shapes. Attached Figure Description

[0021] Figure 1 This is a structural diagram provided in this application.

[0022] Figure 2 This is a schematic diagram of the connection structure between the external pressure component and the base component provided in this application.

[0023] Figure 3 This is a schematic diagram of the connection structure between the limiting component and the base component provided in this application.

[0024] Figure 4 This is a schematic diagram of the connection structure between the limiting component 2 and the base component provided in this application.

[0025] Figure 5 This is a schematic diagram of the connection structure between the limiting component three and the base component provided in this application.

[0026] Figure 6 This is a structural schematic diagram of the limiting component one provided in this application.

[0027] Figure 7 This is a structural schematic diagram of the limiting component two provided in this application.

[0028] Figure 8 This is a structural schematic diagram of the limiting component three provided in this application.

[0029] Figure 9 This is a schematic diagram of the connection structure between the internal pressure component and the base component provided in this application.

[0030] Figure 10 This is a structural schematic diagram of the internal pressure assembly provided in this application.

[0031] Figure 11 This is another structural schematic diagram of the internal pressure assembly provided in this application.

[0032] Figure 12 This is a structural schematic diagram of one working state (not unfolded) of the pressing module provided in this application.

[0033] Figure 13 This is a structural diagram of another working state (horizontally unfolded) of the pressing module provided in this application.

[0034] Figure 14 This is a structural diagram of another working state (vertically unfolded) of the pressing module provided in this application.

[0035] Figure 15 This is a schematic diagram of the connection between the bracket 2 and the slider provided in this application.

[0036] In the diagram: 1. Base assembly; 2. Extension plate; 3. Device housing; 4. Limiting component one; 5. Limiting component two; 6. Limiting component three; 7. Internal pressure component;

[0037] 11. Slide plate; 12. Rear upright plate; 13. Side upright plate; 14. Triangular plate; 15. Dual motor mount; 16. Single motor mount; 17. Fixing plate one;

[0038] 41. Lead screw seat; 42. Sleeve seat; 43. Cylinder 1; 44. Connecting plate 1; 45. Pulling plate 1; 46. Cylinder 2; 47. Connecting plate 2; 48. Limiting plate 1;

[0039] 51. Motor 1; 52. Screw sleeve 1; 53. Z-shaped folding plate; 54. Fixing plate 2; 55. L-shaped rack; 56. Thick gear 1; 57. Short rack; 59. T-shaped plate; 510. Sliding sleeve 1; 511. Cylinder 3; 512. Slide rail; 513. Upper base plate; 514. Sliding sleeve 2; 515. Cylinder seat; 516. Connecting plate 3; 517. Limiting plate 2; 518. Top seat; 519. Cylinder 4; 520. Cylinder connecting plate; 521. Pulling plate 2;

[0040] 61. Motor II; 62. Lead screw; 63. Screw sleeve II; 64. Connecting rod I; 65. Rack I; 66. Connecting rod III; 67. Thick gear II; 68. Limiting wheel I; 69. Limiting wheel II; 610. Rack II; 611. Connecting component I; 612. Rack III; 613. Gear set I; 614. Auxiliary gear I; 615. Rack X; 616. Pulling component; 617. Gear shaft; 618. Limiting wheel set; 620. Motor 3; 621. Screw; 622. Screw sleeve 3; 623. Connecting rod 2; 624. Connecting plate 4; 625. Rack 4; 626. Limiting wheel 3; 627. Thick gear 3; 628. Rack 5; 629. Limiting wheel 4; 630. Connecting piece 2; 631. Rack 6; 632. Rack 7; 633. Gear set 2; 634. Auxiliary gear 2; 635. Rack 8; 636. Limiting piece;

[0041] 72. Support module; 73. Pressure block module; 711. Cylinder 5; 712. Screw motor; 713. Cylinder 6; 714. Bidirectional helical screw; 715. Fixing rod; 721. Support base; 722. Bracket 1; 723. Bracket 2; 724. Bracket 3; 725. Bracket 4; 726. Guide rail; 727. Slider; 728. Locking pin groove; 729. Locking pin; 730. Locking pin fixing block; 731. Pressure block 1; 732. Pressure block 2; 733. Pressure block 3; 734. Pressure block 4; 735. Pressure block 5; 736. Pressure block 6; 737. Pressure block fixing plate; 738. Connecting plate; 739. Groove. Detailed Implementation

[0042] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0043] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0044] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a wall-mounted connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this invention can be understood according to the specific circumstances.

[0045] like Figure 1As shown, this utility model provides a cutting and pressing device for a pocket opening machine, comprising a base assembly 1, an outer pressing assembly, and an inner pressing assembly 7. Both the outer pressing assembly and the inner pressing assembly 7 are fixed on the base assembly. The outer pressing assembly can realize functions such as opening and folding of the pocket fabric, while the inner pressing assembly 7 can realize the fixing of the pocket fabric and the fabric to be sewn. The base assembly 1 includes a slide plate 11, a rear upright plate 12, a side upright plate 13, a triangular plate 14, a dual motor base 15, a single motor base 16, and a fixing plate 17. The inner pressing assembly 7 is connected to the rear upright plate 12 and the bottom inner side of the base assembly 1, realizing the fixing of the inner pressing assembly 7 on the entire device. The inner pressing assembly 7 is not directly connected to the outer pressing assembly, but the structure of the inner pressing assembly partially overlaps with the structure of the outer pressing assembly in space.

[0046] like Figures 2-8 As shown, the external pressure assembly includes limit component 1 4, limit component 2 5, and limit component 3 6. Limit component 1 4, limit component 2 5, and limit component 3 6 are bolted to the front end of the base assembly 1 to install the extension plate 2. The extension plate 2 is used to receive the fabric. The device housing 3 is bolted to the base assembly 1. The device housing 3 is used to cover limit component 1 4, limit component 2 5, and limit component 3 6 to prevent debris from the external environment from splashing into the mechanical device and interfering with or damaging the internal components. The base assembly 1 has a sliding groove on its sliding plate 11. The sliding groove is used to accommodate the first limiting component 4, the second limiting component 5, and the third limiting component 6, so as to limit the sliding of the first limiting component 4, the second limiting component 5, and the third limiting component 6. The rear upright plate 12 is bolted to the upper rear side of the sliding plate 11, and the rear upright plate 12 serves as the mounting base for the triangular plate 14, the dual motor base 15, and the single motor base 16. The two side upright plates 13 are bolted to the rear sides of the sliding plate 11, and the side upright plates 13 serve as the mounting base for the drive device of the first limiting component 4. The dual motor base 15 and the single motor base 16 are both fixedly installed at the front end of the rear upright plate 12. The triangular plate 14 serves as a reinforcing rib between the dual motor base 15 and the rear upright plate 12 to increase the stability during motor installation. The fixing plate 17 is fixed on the sliding plate 11, and the fixing plate 17 serves as a reinforcing rib for the single motor base 16.

[0047] The limiting assembly 4 includes a lead screw seat 41, a sleeve seat 42, a first cylinder 43, a first connecting plate 44, a first pulling plate 45, a second cylinder 46, a second connecting plate 47, and a first limiting plate 48. The lead screw seat 41 is fixedly installed on the inner end face of the side upright plate 13. A rotating lead screw with a corresponding driving device is movably installed on the rear side of the lead screw seat 41. A sleeve seat 42 is sleeved on the rotating lead screw. A corresponding sliding rod passes through the bottom of the sleeve seat 42 and is fixed on the rear upright plate 12. A first cylinder 43 is fixedly installed at the front end of the sleeve seat 42. A connecting plate 44 is fixedly installed at the front end, and a pulling plate 45 is fixedly installed between the two connecting plates 44. The pulling plate 45 will slide and limit the lower side of the bag opening after the fabric is opened, so as to achieve the corresponding tension. Cylinders 46 are fixedly installed on both the left and right sides of the front end of the rear upright plate 12. A connecting plate 47 is fixedly installed at the front end of the cylinder 46. A limiting plate 48 is fixedly installed at the end of the two connecting plates 47. The limiting plate 48 will serve as the limiting support for the fabric at the lower side of the bag opening position.

[0048] like Figure 6 As shown, the lead screw is driven by an external drive device in advance, and the position of the drive sleeve 42 on the rotating lead screw is adjusted in conjunction with the slide rod. Then, the cylinder 46 is driven. The limiting plate 48 connected to the output shaft connecting plate 47 of the cylinder 46 will serve as the limiting support for the fabric at the lower side of the bag opening position. In conjunction with the limiting component 5, the width of the bag opening is adjusted. The cylinder 43 is driven. The pulling plate 45 connected to the front end connecting plate 44 of the output shaft of the cylinder 43 will slide and limit the sewing of the lower side of the bag opening after the fabric is opened, so as to achieve the corresponding tension.

[0049] Limiting assembly 2 5 includes motor 1 51, screw sleeve 1 52, Z-shaped folding plate 53, fixing plate 2 54, L-shaped rack 55, thick gear 1 56, short rack 57, T-shaped plate 59, sliding sleeve 1 510, cylinder 3 511, slide rail 512, upper base plate 513, sliding sleeve 2 514, cylinder seat 515, connecting plate 3 516, limiting plate 2 517, top seat 518, cylinder 4 519, cylinder connecting plate 520, and pulling plate 2 521. Motor 1 51 is fixedly installed on the rear right side of the dual motor base 15. A lead screw is fixedly installed on the output shaft of motor 1 51. Screw sleeve 1 52 is sleeved on the lead screw. Z-shaped folding plate 53 is fixedly installed at the rear end of screw sleeve 1 54. The Z-shaped folding plate 53 has a corresponding groove on the front end face of the rear upright plate 12. This groove is used for the left and right sliding limit of the Z-shaped folding plate 53. The front end of the Z-shaped folding plate 53 is fixedly installed with a second fixing plate 54. Below the second fixing plate 54, there are two centrally symmetrical L-shaped racks 55. The two L-shaped racks 55 are fixedly connected by bolts to form a long rack. The long rack is fixed to the second fixing plate 54 by bolts. The front side of each of the two L-shaped racks 55 is provided with a thick gear 56. The lower part of the thick gear 56 meshes with the L-shaped rack 55. The upper left side of the thick gear 56 is provided with a corresponding meshing short rack 57. T-shaped plates 59 are provided above each of the two short racks 57. The T-shaped plates 59 are arranged symmetrically on the left and right. A cylinder 3 511 is fixedly installed above one end of the T-shaped plate 59 near the side upright plate 13. A sliding sleeve 1 510 is fixedly installed above the middle of the T-shaped plate 59. A drive screw seat is fixedly connected between the two T-shaped plates 59. A drive screw is movably installed at the rear end of the drive screw seat, and the drive screw meshes with a drive screw sleeve on the top seat 518. Several slide rails 512 are bolted to the rear end of the upper base plate 513. Several sliding sleeves 2 514, which are sleeved on the slide rails 512, are fixedly installed on the slide groove plate 11. The two T-shaped plates 59 are fixedly connected to two of the slide rails 512. A cylinder seat 51 is fixedly installed on the rear output shaft of the cylinder 3 511. 5. A connecting plate 3 516 is fixedly installed at the bottom of the cylinder base 515. A limiting plate 2 517 is fixedly installed between the ends of the two connecting plates 3 516. The limiting plate 2 517, together with the bottom plate 513, limits the fabric at the upper side of the opening position. A drive screw sleeve is fixedly installed at the middle of the upper end of the top base 518. Cylinder 4 519 is fixedly installed on both the left and right sides of the upper end of the top base 518. A cylinder connecting plate 520 is fixedly installed at the front end of cylinder 4 519. The same pulling plate 2 521 is fixedly installed at the front end of the two cylinder connecting plates 520. The pulling plate 2 521, together with the bottom plate 513, slides and limits the sewing of the upper side of the bag opening after the fabric is opened, so as to achieve the corresponding tension.

[0050] like Figure 7As shown, the drive motor 51 drives the lead screw on the output shaft to rotate. The lead screw meshes with the screw sleeve 52, causing the Z-shaped folding plate 53 to move in a directional position within the slot at the front end of the rear upright plate 12. This causes the L-shaped rack 55 to slide laterally. The L-shaped rack 55 meshes with the lower part of the thick gear 56, and the upper part of the thick gear 56 meshes with the short rack 57. The T-shaped plate 59, which is bolted to the upper end of the short rack 57, drives the upper base plate 513 to slide along the slide rail 51. 2. The sliding sleeve 514 reciprocates, while the cylinder 511 drives the limiting plate 517 connected to the connecting plate 516 on the cylinder seat 515 to limit the fabric at the upper side of the opening position. The limiting component 4 sets the width of the bag opening. Then, the cylinder 519 drives the front pulling plate 521 of the cylinder connecting plate 520 to slide and limit the upper side of the bag opening after the fabric is opened, so as to achieve the corresponding tension.

[0051] Limiting component 3 6 includes motor 2 61, lead screw 62, screw sleeve 2 63, connecting rod 1 64, rack 1 65, connecting rod 3 66, thick gear 2 67, limiting wheel 1 68, limiting wheel 2 69, rack 2 610, connector 1 611, rack 3 612, gear set 1 613, auxiliary gear 1 614, rack 10 615, pulling component 616, gear shaft 617, limiting wheel set 618, motor 3 620, screw 621, screw sleeve 3 622, connecting rod 2 623, connecting plate 4 624, rack 4 625, limiting wheel 3 626, thick gear 3 627, rack 5 628, limiting wheel 4 629, connector 2 630, rack 631, rack 7 632, gear set 2 633, and auxiliary gear 2 63. 4. Rack 8 635 and limiting component 636. Motor 2 61 is fixedly mounted on single motor base 16. Lead screw 62 is fixedly mounted on the left end of motor 2 61. Lead screw 62 is fitted with screw sleeve 2 63. Connecting rod 1 64 is fixedly mounted on the lower end of screw sleeve 2 63. Rack 1 65 is bolted to the upper left and right ends of connecting rod 3 66. Connecting rod 1 64 is fixedly connected to rack 1 65 on the left side. Thick gear 2 67 is set in front of rack 1 65. Thick gear 2 67 is rotatably mounted on slide plate 11. Limit wheel 1 68 is set at the rear end of rack 1 65. The wheel seat of limit wheel 1 68 is fixedly mounted on slide plate 11. Thus, when rack 1 65 meshes with the upper part of thick gear 2 67, it will be limited by limit wheel 1 68, so that rack 1 65... Rack 65 meshes stably with gear 67. Rack 610 is longitudinally positioned below rack 65, located to the left of gear 67. The lower part of gear 67 meshes with rack 610. A limiting wheel 69 is positioned to the left of rack 610, with its seat fixedly mounted on slide plate 11. This limits the engagement of the lower part of gear 67 with rack 610, ensuring stable meshing. Rack 9 is fixedly mounted above the front end of rack 610 on the left side. Connector 611 is bolted to the front end of rack 610 on the right side. Rack 612 is bolted to the front end of connector 611. A connection is provided between rack 612 and rack 9. The system comprises two gear sets 613, each constructed by connecting a bottom small gear ring and a top large gear ring. The bottom small gear rings of the two gear sets 613 mesh with racks 612 and 9, respectively. Each gear set 613 has a corresponding meshing rack 615 on its front side of the top large gear. A material pulling component 616 is fixedly installed at the ends of the two racks 615 that are close to each other. An auxiliary gear 614 is located behind each rack 615, providing stable assistance during meshing between the racks 615 and the top large gear of the gear set 613, ensuring stable meshing and preventing tilting. A motor 620 is fixedly installed on the right front side of the dual motor base 15.A screw 621 is fixedly mounted on the left output shaft of motor 620. A screw sleeve 622 is fitted onto screw 621. A connecting rod 623 is fixedly mounted on the lower end of screw sleeve 622. A rack 625 is bolted to the upper left and right ends of connecting plate 624. A thick gear 627 is located behind rack 625 and is rotatably mounted on slide plate 11. The upper part of thick gear 627 meshes with rack 625. A limit wheel 626 is located in front of rack 625, and the wheel seat of limit wheel 626 is fixedly mounted on slide plate 11. Thus, when the upper part of thick gear 627 meshes with rack 625... The gear is limited by the limiting wheel 3 626, which ensures stable meshing between the thick gear 3 627 and the rack 4 625. A rack 5 628 is longitudinally positioned below the rack 4 625, meshing with the lower part of the thick gear 3 627. A limiting wheel 4 629 is positioned to the left of the rack 5 628, with its seat fixedly mounted on the slide plate 11. Thus, when the rack 5 628 meshes with the lower part of the thick gear 3 627, it is limited by the limiting wheel 4 629, ensuring stable meshing. A rack 7 632 is fixedly mounted above the front end of the left rack 5 628, and a bolt is bolted to the front end of the right rack 5 628. A fixed connector 630 is used, with a bolt fixing rack 631 to its front end. Two gear sets 633 are positioned between rack 631 and rack 7 632. Gear sets 633 are constructed using a bottom pinion ring and a top gear ring. The bottom pinion rings of the two gear sets 633 mesh with rack 631 and rack 7 632 respectively. A corresponding rack 8 635 is positioned in front of the top gear of each gear set 633. A limiting member 636 is fixedly installed at the ends of the two rack 8 635 that are close to each other. An auxiliary gear 634 is positioned behind the two rack 8 635. 4. This provides stabilizing assistance during the meshing of rack eight 635 and the top large gear of gear set two 633, ensuring stable meshing of rack eight 635 and preventing tilting. Rack ten 615 and rack eight 635 remain horizontally parallel. A limiting wheel set 618 is provided on the front side of rack ten 615 and rack eight 635, with the wheel seat of the limiting wheel set 618 fixedly mounted on the slide plate 11. Gear set two 633 and auxiliary gear one 614 are coaxially positioned using a gear shaft 617, which is also fixedly mounted on the slide plate 11. Gear set one 613 and auxiliary gear two 634 are also coaxially positioned using a gear shaft 617.

[0052] like Figure 8As shown, motor 61 is started, and screw 62 engages with screw sleeve 63. Screw sleeve 63, through connecting rod 64, drives two racks 65 to engage with the upper half of thick gear 67, and the lower half of thick gear 67 engages with rack 610. This causes racks 612 and 9 on the front side of racks 610 to slide longitudinally. At this time, racks 612 and 9 engage with the bottom pinion rings of two gear sets 613, and the top large gear of gear set 613 engages with rack 615, causing the material pulling parts 616 on rack 615 to move closer together. Simultaneously, motor 620 is started, and screw 621 engages with screw sleeve 622. Screw sleeve 622, through connecting rod 64, drives two racks 65 to engage with the upper half of thick gear 67, and the lower half of thick gear 67 engages with rack 610. This causes racks 612 and 9 on the front side of rack 610 to slide longitudinally. At this time, racks 612 and 9 engage with the bottom pinion rings of two gear sets 613, and the top pinion rings of gear sets 613 engage with rack 615. This causes the material pulling parts 616 on rack 615 to move closer together. At the same time, motor 620 is started, and screw 621 engages with screw sleeve 622. Screw sleeve 622, through connecting rod 64, drives two racks 65 to engage with the upper half of thick gear 67, and the lower half of thick gear 67 engages with rack 610. This causes racks 612 and 610 to engage with the upper half of thick gear 67, and the lower half of thick gear 67 engages with rack 610, and the lower half of thick gear 67 engages with rack 610, and the lower half The second gear 623 drives the two racks 625 to mesh with the upper part of the thick gear 627, and the lower part of the thick gear 627 meshes with the rack 628. This causes the racks 631 and 632 on the front side of the two racks 628 to slide longitudinally. At this time, the racks 631 and 632 mesh with the bottom small gear rings of the two gear sets 633 respectively, and the top large gear of the gear set 633 meshes with the rack 635. This causes the limiting parts 636 on the rack 635 to move closer to each other, thereby limiting the length of the bag opening to be cut. According to the need for sewing the bag opening after cutting, the reverse drive motor 61 is used to move the pulling parts 616 away from each other and to tension the cut side of the fabric bag opening.

[0053] like Figures 9-11As shown, the internal pressure assembly 7 consists of a drive module, a support module 72, and a pressure block module 73. The pressure block module 73 consists of several pressure blocks. The drive module consists of cylinder 5 711, a lead screw motor 712, and two cylinders 6 713. The support module 72 consists of a support base 721 and a bracket assembly. The bracket assembly consists of bracket 1 722, two brackets 2 723, and bracket 3 724. Bracket 1 722 is fixedly connected to the support base 721. The two brackets 2 723 are arranged in parallel, and bracket 1 722 and bracket 3 724 are arranged in parallel. Bracket 2 723 is perpendicular to bracket 1 722 and bracket 3 724 respectively. One end of bracket 2 723 is connected to bracket 1 722 and can slide along bracket 1 722. To increase the stability of the bracket assembly, a bracket 4 725 can be added to the outside of each of the two brackets 2 723. The two ends of bracket 4 725 are fixedly connected to bracket 1 722 and bracket 3 724 respectively. The pressing block template consists of two pressing blocks 1 (731), two pressing blocks 2 (732), two pressing blocks 3 (733), two pressing blocks 4 (734), two pressing blocks 5 (735), and two pressing blocks 6 (736). The two pressing blocks 6 (736) are fixed on the bracket 2 (723). One of the pressing blocks 1 (731) and one of the pressing blocks 5 (735) are fixed at the other end of the two brackets 2 (723) and are positioned above the bracket 3 (723) along the length of the bracket 3 (724). The bracket 3 (723) does not contact the pressing blocks 1 (731) and 5 (735), but the pressing blocks 1 (731) and 5 (735) can slide along the bracket 3 (723) under the action of the two brackets 2 (723). The pressing blocks 2 (732), 3 (733), and 4 (734) in the same direction as the pressing blocks 1 (731) and 5 (735) are fixed to the bracket 3 (724) in sequence by screws or nuts.

[0054] This utility model features a guide rail 726, parallel to but not connected to the first bracket 722. Two sliders 727 are mounted on the guide rail 726, allowing them to slide back and forth. Two remaining pressure blocks 731 and 735 are connected to the two sliders 727 respectively. A locking groove 728 is located at the top of each slider 727. A locking pin 729 is fixedly connected to the second bracket 723 via a locking pin fixing block 730. The other end of the locking pin 729 is located within the locking groove 728 and can move within it (e.g., ...). Figure 15(As shown). This application also includes a pressure block fixing plate 737 fixed on the guide rail 726 between the two sliders 727. The pressure block fixing plate 737 is fixed to the remaining pressure blocks 732, 733, and 734 by nuts. It also includes a connecting plate 738 fixed on the bracket 722. The connecting plate 738 is also provided with two grooves 739. Nuts pass through the grooves 739 to connect the connecting plate 738 to the pressure block fixing plate 737. It should be noted that the position of the nuts in the grooves 739 is adjustable, the relative position of the pressure block fixing plate 737 and the connecting plate 738 is adjustable, and the position of the three pressure blocks connected to it is adjustable. The pressure block fixing plate 737 is fixed on the guide rail 726, and the guide rail 726 moves in the same direction, which in turn drives the sliders 727 to move in the same direction. Finally, the two sliders 727 respectively drive the pressure blocks 731 and 735 to move in the same direction, thus realizing that the width of the entire pressure block module 73 is adjustable (see Figure 12 , Figure 14 To accommodate the sewing of bag openings of different sizes, it should be noted that the position of the locking pin 729 within the locking pin groove 728 on the slider 727 is movable. Therefore, when the slider 727 moves with the guide rail, it will not cause the locking pin 729 to move synchronously.

[0055] In this invention, a lead screw motor 712 is fixed to a support base 721 and connected to a bidirectional spiral lead screw 714. The lead screw motor 712 controls the rotation of the bidirectional spiral lead screw 714. The bidirectional spiral lead screw 714 is arranged parallel to the first bracket 722. Two fixed rods 715 are provided on the bidirectional spiral lead screw 714. The fixed rods 715 have internal threads, and the thread direction is opposite to the thread direction on the bidirectional spiral lead screw 714 to which they are connected. The two fixed rods 715 are respectively connected to two second brackets 723. The lead screw motor 712 drives the bidirectional spiral lead screw 714 to rotate, so that the two fixed rods 715 achieve reverse synchronous movement under the engagement of the internal threads and the threads of the bidirectional spiral lead screw, thereby driving the second brackets 723 connected to each other to move in the opposite synchronous direction along the first bracket 722.

[0056] like Figure 15 As shown, when the lead screw motor 712 controls the bidirectional spiral lead screw 714 to drive the bracket 2 723 to perform a reverse synchronous movement, the bracket 2 723 then drives the locking pin block 730 and the locking pin 729 to perform a reverse synchronous movement. The locking pin 729 is located in the locking pin groove 728, which in turn pulls the slider 727 to perform a reverse synchronous movement. The pressure block 1 731 and the pressure block 5 735 are fixed on the two sliders 727 and will also perform a reverse synchronous movement. The two pressure blocks 6 736 and the other pressure blocks 1 731 and 5 735 connected to the bracket 2 723 will also perform a reverse synchronous movement with the bracket 2 723, thereby completing the adjustment of the entire pressure block module 73 in the length direction (see...). Figure 12 , Figure 13 ( ), to accommodate the sewing of bag openings of different sizes.

[0057] In this utility model, one end of cylinder five 711 is fixed to the rear upright plate 12 of the base assembly 1, and the other end is connected to the support seat 721 of the internal pressure assembly 7, driving the entire support seat 721 to move back and forth in the horizontal direction. Two cylinders six 713 are respectively arranged on the outer sides of the support seat 721. The bottom of cylinder six 713 is provided with a slide rail (not shown in the figure), so that the two cylinders six 713 move back and forth with the support seat 721. The two cylinders six 721 can simultaneously drive the entire support seat 721 to move up and down. Cylinder five 711 and two cylinders six 713 are respectively fixed to the base assembly 1 by several support columns (not shown in the figure).

[0058] Specific implementation process:

[0059] The technical solution of this application is mainly used in the process of opening, cutting and sewing fabric. First, the drive motor 51 drives the lead screw on the output shaft to rotate. The lead screw meshes with the screw sleeve 52, and causes the Z-shaped folding plate 53 to move in a directional position in the front groove of the rear upright plate 12, thereby driving the L-shaped rack 55 to slide laterally. The L-shaped rack 55 meshes with the lower part of the thick gear 56, and the upper part of the thick gear 56 meshes with the short rack 57. The T-shaped plate 59, which is fixed by bolts at the upper end of the short rack 57, drives the upper bottom plate 513 to reciprocate through the sliding setting of the slide rail 512 and the sliding sleeve 514. At the same time, the cylinder 511 drives the limiting plate 517 connected to the connecting plate 516 on the cylinder seat 515 to limit the fabric at the upper side of the opening position and set the width of the bag opening.

[0060] Motor 2 61 is started, and the lead screw 62 engages with screw sleeve 2 63. Screw sleeve 2 63, through connecting rod 1 64, drives two racks 1 65 to engage with the upper half of thick gear 2 67, and the lower half of thick gear 2 67 engages with rack 2 610, thereby driving racks 3 612 and 9 at the front end of racks 2 610 to slide longitudinally. At this time, racks 3 612 and 9 respectively engage with the bottom small gear rings of two gear sets 1 613, and the top large gear of gear set 1 613 engages with rack 10 615, thereby causing the material pulling parts 616 on rack 10 615 to move closer to each other. At the same time, motor 3 620 is started, and screw 621... Engaging with screw sleeve seat 3 622, screw sleeve seat 3 622 drives two racks 4 625 to engage with the upper half of thick gear 3 627 via connecting rod 2 623, and the lower half of thick gear 3 627 engages with rack 5 628, thereby driving racks 631 and 7 632 at the front end of racks 5 628 to slide longitudinally. At this time, racks 631 and 7 632 respectively engage with the bottom small gear rings of two gear sets 2 633, and the top large gear of gear set 2 633 engages with rack 8 635, thereby causing the limiting parts 636 on rack 8 635 to move closer to each other, thereby setting the corresponding limit on the length of the bag opening to be cut.

[0061] Start the lead screw motor 712, which controls the bidirectional spiral lead screw 714 to rotate, driving the two fixed rods 715 connected to it to move synchronously in opposite directions. The fixed rods 715 are connected to the second bracket 723, driving the second bracket 723 and the two pressure blocks 736 directly connected to the second bracket 723, as well as one of the pressure blocks 731 and 735, to move synchronously in opposite directions along the first bracket 722. At the same time, during the movement of the second bracket 723, it will drive the locking pin 730 and the locking pin 729 to move synchronously in opposite directions. The locking pin 729 is located in the locking pin groove 728 and pulls the two sliders 727 to move synchronously in opposite directions along the first bracket 722. The two sliders 727 are respectively connected to the remaining pressure blocks 731 and 735 and drive the two sliders to move synchronously in opposite directions along the first bracket 722, thereby realizing the adjustment of the pressure block module 73 in the length direction.

[0062] Adjusting the position of the nut in the groove 739 allows the pressure block fixing plate 737 to extend or retract along the connecting plate 738, and the positions of the three pressure blocks connected to it are also adjusted accordingly. At the same time, the positions of the guide rail 726 and the slider 727 connected to the guide rail 726 are adjusted. Finally, the two sliders 727 respectively adjust the positions of the pressure block 1 731 and pressure block 5 735 connected to them, thereby realizing the adjustment of the width of the entire pressure block module 73.

[0063] The fabric is laid flat on the working plane of the extension plate 2. Cylinder 5 711 drives the internal pressure component 7 to extend, and two cylinders 6 713 drive the internal pressure component to press down, pressing the fabric tightly. Then, the fabric is sent to the bottom of the laser cutting equipment for bag opening cutting with preset parameters. Next, the external servo drive device drives the lead screw to rotate, and works with the slide rod to adjust the axial positioning of the sliding sleeve 42. Then, cylinder 2 46 is started, and the limit plate 1 48 connected to the output shaft connecting plate 2 47 of cylinder 2 46 slides, which cuts the fabric at the bottom of the bag opening position. The limit folding edge; and according to the required bag opening sewing size of the cut fabric, drive cylinder 43, the pull plate 45 connected to the front connecting plate 44 of the output shaft of cylinder 43 will dynamically limit the sewing of the lower side of the bag opening after the fabric is opened, and then drive cylinder 519 to drive the front pull plate 521 of cylinder connecting plate 520 to complete the positioning of the sewing line on the bag opening and achieve the corresponding tension, so as to achieve accurate sewing in the subsequent bag opening fabric strip placement and sewing process, and ensure the flatness of the stitches in the subsequent automatic sewing process.

[0064] The reverse drive motor 61 moves the material pulling parts 616 away from each other, tensioning the cut side of the fabric bag opening. After the bag opening is folded, subsequent sewing work is carried out.

Claims

1. A cutting and pressing mechanism for a bag opening machine, comprising a base assembly, an outer pressing assembly, and an inner pressing assembly, characterized in that: Both the external and internal pressure components are fixed to the base assembly. The external pressure component enables the opening and hemming of the pocket fabric, while the internal pressure component secures the pocket opening fabric to the fabric to be sewn. The internal pressure component consists of a drive module, a support module, and a pressure block module. The pressure block module is composed of several pressure blocks, which can be combined to form a closed loop. The drive module consists of cylinder five, cylinder six, and a lead screw motor. The support module consists of a support base and a bracket assembly. The bracket assembly is fixed to the support base. The lead screw motor and the pressure block module are both connected to the bracket assembly. The lead screw motor drives the pressure blocks on both sides of the pressure block module on the bracket assembly to move left and right, enabling the pressure block module to be adjustable along its length. Cylinders five and six are connected to the support base. Cylinder five drives the support base to move back and forth in the horizontal direction, and cylinder six drives the support base to move up and down in the vertical direction.

2. The cutting and pressing mechanism for a bag opening machine according to claim 1, characterized in that: The support assembly consists of support one, two supports two, and support three. The two supports two are arranged in parallel, and supports one and three are arranged in parallel. Support two is connected to support one. The pressure block template consists of two pressure blocks one, two pressure blocks two, two pressure blocks three, two pressure blocks four, two pressure blocks five, and two pressure blocks six. The two pressure blocks six are fixed on support two respectively. One pressure block one, one pressure block two, one pressure block three, one pressure block four, and one pressure block five are fixed on support three in sequence. Support four is connected to each end of support three. The other end of support four is connected to support one.

3. The cutting and pressing mechanism for a bag opening machine according to claim 2, characterized in that: It also includes a guide rail with two sliders that can slide along the guide rail. Pressure block one and pressure block five are connected to the two sliders respectively. A pressure block fixing plate is fixed on the guide rail between the two sliders. The pressure block fixing plate is connected to pressure block two, pressure block three, and pressure block four. It also includes a connecting plate, which is fixed on bracket one and connected to the pressure block fixing plate. The connecting plate is also provided with several grooves. Nuts pass through the grooves to connect the connecting plate to the pressure block fixing plate. The position of the nut in the groove is adjustable, which drives the relative position of the pressure block fixing plate and the connecting plate to be adjustable, thereby driving the pressure block module connected to it to be adjustable along its width direction.

4. The cutting and pressing mechanism for a bag opening machine according to claim 3, characterized in that: The lead screw motor is connected to the bidirectional spiral lead screw, which is set parallel to the first bracket. The bidirectional spiral lead screw has two fixed rods with internal threads, and the thread direction is opposite to the thread direction on the bidirectional spiral lead screw connected to it. The two fixed rods are respectively connected to the two second brackets. The lead screw motor drives the bidirectional spiral lead screw to rotate, so that the two fixed rods achieve reverse synchronous movement under the engagement of the internal threads and the threads of the bidirectional spiral lead screw, thereby driving the second brackets connected to them to move in the opposite synchronous movement along the first bracket.

5. The cutting and pressing mechanism for a bag opening machine according to claim 3, characterized in that: The top of the slider is provided with a locking groove. The locking pin is fixedly connected to the bracket two through the locking pin fixing block. The other end of the locking pin is located in the locking groove and can move within the locking groove.

6. The cutting and pressing mechanism for a bag opening machine according to claim 1, characterized in that: The external pressure assembly includes limit component one, limit component two, and limit component three. Limit component one, limit component two, and limit component three are all fixedly installed on the base assembly. An extension plate is bolted to the front end of the base assembly. The base assembly includes a slide plate, a rear upright plate, side upright plates, a triangular plate, a dual motor base, a single motor base, and a fixing plate one. The rear upright plate is bolted to the upper rear side of the slide plate and serves as the mounting base for the triangular plate, dual motor base, and single motor base. The two side upright plates are bolted to the rear sides of the slide plate and serve as the mounting base for the drive device of limit component one. The dual motor base and single motor base are both fixedly installed at the front end of the rear upright plate. The triangular plate serves as a reinforcing rib between the dual motor base and the rear upright plate. The fixing plate one is fixed to the slide plate and serves as a reinforcing rib for the single motor base.

7. The cutting and pressing mechanism for a bag opening machine according to claim 6, characterized in that: The limiting assembly includes a lead screw seat, a sleeve seat, a cylinder, a connecting plate, a pulling plate, a cylinder, a connecting plate, and a limiting plate. The lead screw seat is fixedly installed on the inner end face of the side plate. A rotating lead screw with a corresponding driving device is movably installed on the rear side of the lead screw seat. A sleeve is fitted on the rotating lead screw. A corresponding sliding rod passes through the bottom of the sleeve and is fixed to the rear plate. A cylinder is fixedly installed at the front end of the sleeve. A connecting plate is fixedly installed at the front end of the cylinder. The same pulling plate is fixedly installed between the two connecting plates. Cylinders are fixedly installed on both the left and right sides of the front end of the rear plate. A connecting plate is fixedly installed at the front end of the cylinder. The same limiting plate is fixedly installed at the end of the two connecting plates.

8. The cutting and pressing mechanism for a bag opening machine according to claim 7, characterized in that: The second limiting component includes a motor, a screw sleeve, a Z-shaped folding plate, a fixing plate, an L-shaped rack, a thick gear, a short rack, a T-shaped plate, a sliding sleeve, a cylinder, a slide rail, an upper base plate, a sliding sleeve, a cylinder seat, a connecting plate, a limiting plate, a top seat, a cylinder, a cylinder connecting plate, and a pulling plate. Motor 1 is fixedly installed on the rear right side of the dual motor base. A lead screw is fixedly installed on the output shaft of motor 1 at its left end. A screw sleeve is fitted onto the lead screw, and the rear end of the screw sleeve is fixedly installed... The Z-shaped folding plate has a corresponding groove on the front end face of the rear upright plate. This groove is used for the left and right sliding limit of the Z-shaped folding plate. A fixing plate two is fixedly installed at the front end of the Z-shaped folding plate. Two centrally symmetrical L-shaped racks are set below the fixing plate two. The two L-shaped racks are fixedly connected by bolts to form a long rack. The long rack is fixed to the fixing plate two by bolts. A thick gear one is set on the front side of each of the two L-shaped racks. The lower part of the thick gear one meshes with the L-shaped rack. The upper left side of the thick gear one is set with... The short racks meshing with each other have T-shaped plates above them, arranged symmetrically. A cylinder three is fixedly mounted above one end of each T-shaped plate near the side plate. A sliding sleeve one is fixedly mounted above the middle of each T-shaped plate. A drive screw seat is fixedly connected between the two T-shaped plates. A drive screw is movably mounted at the rear end of the drive screw seat, meshing with a drive screw sleeve on the top seat. Several slide rails are bolted to the rear end of the upper base plate. Several sliding sleeves two, fitted onto the slide rails, are fixedly mounted on the slide groove plate. The two T-shaped plates are fixedly connected to two of the slide rails. A cylinder seat is fixedly mounted on the rear output shaft of cylinder three. A connecting plate three is fixedly mounted at the bottom of the cylinder seat. A limiting plate two is fixedly mounted between the ends of the two connecting plates three. A drive screw sleeve is fixedly mounted at the middle of the upper end of the top seat. Cylinder fours are fixedly mounted on both the left and right sides of the upper end of the top seat. A cylinder connecting plate is fixedly mounted at the front end of cylinder four. The same pulling plate two is fixedly mounted at the front ends of the two cylinder connecting plates.

9. The cutting and pressing mechanism for a bag opening machine according to claim 8, characterized in that: The limiting component three includes a motor two, a lead screw, a screw sleeve two, a connecting rod one, a rack one, a connecting rod three, a thick gear two, a limiting wheel one, a limiting wheel two, a rack two, a connecting piece one, a rack three, a gear set one, an auxiliary gear one, a rack ten, a pulling component, a gear shaft, a limiting wheel set, a motor three, a screw, a screw sleeve three, a connecting rod two, a connecting plate four, a rack four, a limiting wheel three, a thick gear three, a rack five, a limiting wheel four, a connecting piece two, a rack six, a rack seven, a gear set two, an auxiliary gear two, a rack eight, and a limiting piece. The motor two is fixedly mounted on a single motor base. A lead screw is fixedly mounted on the left end of the motor two. A screw sleeve two is meshed on the lead screw. A connecting rod one is fixedly mounted on the lower end of the screw sleeve two. A rack one is bolted to the upper left and right ends of the connecting rod three. The connecting rod one is fixedly connected to the rack one on the left side. A thick gear two is set in front of the rack one. The thick gear two is rotatably mounted on the slide plate. A limit wheel is provided at the rear end of rack one, and the wheel seat of limit wheel one is fixedly installed on the slide plate. Rack two is arranged longitudinally below rack one, and rack two is located to the left of thick gear two. The lower part of thick gear two meshes with rack two. Limit wheel two is provided to the left of rack two, and the wheel seat of limit wheel two is fixedly installed on the slide plate. Rack nine is fixedly installed above the front end of rack two on the left side. Connector one is bolted to the front end of rack two on the right side. Rack three is bolted to the front end of connector one. Two gear sets one are provided between rack three and rack nine. Gear sets one are constructed by connecting a bottom small gear ring and a top large gear ring. The bottom small gear rings of the two gear sets one mesh with rack three and rack nine respectively. Rack ten is provided on the front side of the top large gear of each of the two gear sets one. Pulling parts are fixedly installed at the ends of the two rack ten that are close to each other. Auxiliary gear one is provided behind the two rack ten.

10. A cutting and pressing mechanism for a bag opening machine according to claim 9, characterized in that: The motor three is fixedly installed on the right front side of the dual motor base. A screw is fixedly installed on the left output shaft of the motor three. A screw sleeve three is meshed on the screw. A connecting rod two is fixedly installed at the lower end of the screw sleeve three. A rack four is bolted to the upper left and right ends of the connecting plate four. A thick gear three is located behind the rack four and is rotatably mounted on the slide plate. The upper part of the thick gear three meshes with the rack four. A limit wheel three is located in front of the rack four, and the wheel seat of the limit wheel three is fixedly installed on the slide plate. A rack five is longitudinally arranged below the rack four and meshes with the lower part of the thick gear three. A limit wheel four is located on the left side of the rack five. The wheel seat of position four is fixedly mounted on the slide plate. The rack seven is fixedly mounted above the front end of the rack five on the left side. The front end of the rack five on the right side is bolted to the connector two. The front end of the connector two is bolted to the rack six. Two gear sets two are set between the rack six and the rack seven. The gear sets two are constructed by connecting the bottom small gear ring and the top large gear ring. The bottom small gear rings of the two gear sets two mesh with the rack six and the rack seven respectively. The front side of the top large gear of the two gear sets two is provided with corresponding meshing rack eight. The ends of the two rack eight that are close to each other are fixedly mounted with limiting parts. The rear of the two rack eight is provided with meshing auxiliary gear two.

11. The cutting and pressing mechanism for a bag opening machine according to claim 10, characterized in that: The racks 10 and 8 are kept horizontally parallel. A limit wheel set is provided on the front side of the racks 10 and 8. The wheel seat of the limit wheel set is fixedly installed on the slide plate. The gear set 2 and the auxiliary gear 1 are coaxially positioned by a gear shaft, which is fixedly installed on the slide plate. The gear set 1 and the auxiliary gear 2 are also coaxially positioned by a gear shaft.

Images