Automatic folding knife adjusting mechanism for pocket patching machine and pocket patching machine

Abstract

The invention relates to an automatic folding knife adjusting mechanism for a pocket patching machine and the pocket patching machine, the automatic folding knife adjusting mechanism comprises a base plate and a plurality of sets of folding knife assemblies installed on the base plate, and each set of folding knife assembly comprises a folding knife with an initial position and a working position after movement; the second driving mechanism is mounted on the base plate and used for driving the folding knife to be switched between the initial position and the working position; the locking mechanism is connected between the second driving mechanism and the folding knife, and the locking mechanism has a locking state for keeping the linkage of the second driving mechanism and the folding knife and a releasing state for releasing the linkage; the folding knife automatic adjusting mechanism further comprises a first driving mechanism, and the first driving mechanism is connected with the folding knife assemblies and used for adjusting the folding knife when the locking mechanism is in the release state. According to the folding knife automatic adjusting mechanism for the patch pocket machine, the working efficiency and the adjusting precision and stability are further improved.

Description

Technical Field

[0001] This application relates to the field of sewing equipment technology, and more particularly to an automatic folding knife adjustment mechanism for a bag-applying machine and the bag-applying machine itself. Background Technology

[0002] Patch attaching machines are mainly used to attach and sew bag-shaped fabrics onto jeans, shirts, etc. The folding mechanism is a crucial part of the patch attaching machine. During operation, a piece of bag-shaped fabric is placed on a bag-shaped plate (tongue), and the corresponding sides of the fabric are folded using cooperating die-cutters and folding blades (folding sheets). This requires the manufacture and installation of corresponding folding blades based on the bag's dimensions.

[0003] For different bag sizes, it is often necessary to replace or adjust the folding blades one by one, which is cumbersome and affects production efficiency. Moreover, it is difficult to take into account the relative positions of multiple folding blade components during the adjustment process. Summary of the Invention

[0004] This application provides an automatic folding knife adjustment mechanism that can realize the coordinated adjustment of multiple folding knives, which can improve work efficiency and quickly adapt to different bag sizes.

[0005] This application discloses an automatic adjustment mechanism for a folding blade in a bag-applying machine, comprising a base plate and multiple sets of folding blade assemblies mounted on the base plate, each set of folding blade assemblies comprising:

[0006] A folding knife has an initial position and a working position after movement;

[0007] The second driving mechanism is mounted on the base plate and is used to drive the folding knife to switch between the initial position and the working position.

[0008] A locking mechanism is connected between the second drive mechanism and the folding knife. The locking mechanism has a locked state that keeps the second drive mechanism and the folding knife in motion, and a released state that releases the connection.

[0009] The automatic adjustment mechanism for the folding knife also includes a first drive mechanism, which is connected to each set of folding knife assemblies and is used to adjust the folding knife when the locking mechanism is in the released state.

[0010] Several alternative methods are provided below, but they are not intended as additional limitations on the overall solution above. They are merely further additions or optimizations. Provided there are no technical or logical contradictions, each alternative method can be combined individually with respect to the overall solution above, or multiple alternative methods can be combined with each other.

[0011] In one embodiment, the substrate is equipped with a plurality of linkage seats, each linkage seat being connected to the first drive mechanism in a transmission manner;

[0012] Each folding knife assembly has its folding knife movably mounted on a corresponding linkage seat to accommodate the switching between the initial and working positions. The folding knife moves with the linkage seat during adjustment.

[0013] In one embodiment, the linkage seat is slidably mounted on the base plate;

[0014] The first driving mechanism includes:

[0015] Electric motor, as a power unit;

[0016] The linkage plate moves relative to the base plate under the drive of the motor. The linkage seat is fixedly connected to the linkage plate, or the linkage plate and the base plate are respectively provided with strip holes and are oblique to each other. The linkage seat is provided with a first transmission member that extends movably into the area where the two strip holes intersect.

[0017] In one embodiment, the linkage plate comprises multiple pieces, each linkage plate having a second transmission component fixedly mounted thereon, and the first driving mechanism further includes:

[0018] A synchronization plate is provided, which has multiple strip-shaped synchronization holes. The second transmission component extends into the corresponding synchronization hole. A vertical torsion shaft is fixed on the synchronization plate and is connected to the motor through the torsion shaft.

[0019] In one embodiment, the substrate is equipped with a plurality of intermediate components, each of which is connected to the first driving mechanism in a transmission manner.

[0020] A guide rod is fixed on the intermediate component, and a blade holder is fixed at the tail of the folding knife. The blade holder has a first guide hole and is slidably sleeved on the guide rod through the first guide hole.

[0021] In one embodiment, the end of the guide rod extending out of the tool holder has a limiting head;

[0022] A reset member is sleeved on the guide rod. The reset member presses against the middle part and the knife holder. When the folding knife moves from the initial position to the working position, the reset member adapts by deforming or moving.

[0023] In one embodiment, the substrate is equipped with a plurality of linkage seats, each linkage seat being connected to the first drive mechanism in a transmission manner;

[0024] The intermediate component is fixedly connected to or detachably connected to the corresponding linkage seat, wherein the detachable connection is selected from at least one of magnetic attraction, sliding positioning, and fastener engagement.

[0025] In one embodiment, the locking mechanism includes a coupling seat and a locking member, wherein the locking member is an automatic locking member and / or a manual locking member, and the automatic locking member and the manual locking member switch the locking mechanism to a locked state and a released state through corresponding driving methods;

[0026] The transmission method between the second drive mechanism and the folding knife is as follows:

[0027] a) The second drive mechanism is directly driven by the connecting seat, and the connecting seat and the folding knife are driven by an automatic locking mechanism or a manual locking mechanism; or

[0028] b) The second drive mechanism and the coupling seat are driven by a first automatic locking element, and the coupling seat and the folding knife are driven by direct drive, a second automatic locking element, or a manual locking element; or

[0029] c) The second drive mechanism and the connecting seat are driven by a first manual locking component, and the connecting seat and the folding knife are driven by direct drive, automatic locking component drive or second manual locking component drive.

[0030] In one embodiment, the folding knife has a fixed handle; the second drive mechanism has a movable output component, and the locking mechanism is connected between the handle and the output component.

[0031] This application also provides a bag-applying machine with the automatic adjustment mechanism for the folding blade described in this application.

[0032] The automatic adjustment mechanism for the folding blades of the bag-sticking machine in this application adopts the same drive mechanism, which can adjust multiple folding blade components in a coordinated manner, complete the adjustment at one time and lock automatically, further improving work efficiency as well as the accuracy and stability of adjustment. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This is a three-dimensional structural diagram of the automatic adjustment mechanism for the folding knife in one embodiment of this application;

[0035] Figure 2 for Figure 1 Bottom view of the automatic adjustment mechanism for the folding knife;

[0036] Figure 3 for Figure 1A partial schematic diagram of the automatic adjustment mechanism for the folding knife;

[0037] Figure 4 for Figure 1 A three-dimensional structural diagram of the first drive mechanism and related parts;

[0038] Figure 5 for Figure 4 A three-dimensional structural diagram of the first drive mechanism after omitting some structural elements;

[0039] Figure 6 for Figure 1 A three-dimensional structural diagram of the central folding blade section;

[0040] Figure 7 for Figure 6 A three-dimensional structural diagram of the folding blade section from another angle;

[0041] Figure 8 for Figure 1 Top view of the second drive mechanism and related parts;

[0042] Figure 9 for Figure 8 Sectional view of AA;

[0043] Figure 10 for Figure 1 A three-dimensional structural diagram of another folding blade section;

[0044] Figure 11 for Figure 10 A three-dimensional structural diagram of the folding blade section from another angle.

[0045] The component labels are as follows:

[0046] 100, substrate; 110, guide seat; 120, guide hole; 130, bracket; 140, guide pin;

[0047] 200. Die; 210. Intermediate part; 211. Connecting plate; 220. Linkage seat; 221. First transmission component; 222. Track; 223. Suction component; 224. Guide rod; 225. Limiting head;

[0048] 300, Folding knife assembly; 310, Folding knife; 320, Second drive mechanism; 321, Output component; 322, Push-pull cylinder; 323, Slide; 324, Slide rail; 330, Knife holder; 331, First guide hole; 340, Handle; 341, Slot hole; 350, Reset component;

[0049] 400, First drive mechanism; 410, Torsion shaft; 420, Synchronizing plate; 421, Synchronizing hole; 430, Connecting plate; 431, Second transmission component; 432, Drive hole; 433, Second guide hole; 440, Motor; 450, Universal joint;

[0050] 500 Locking mechanism; 510 Connecting seat; 512 First limiting hole; 513 Limiting head; 520 Automatic locking component; 530 Manual locking component. Detailed Implementation

[0051] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0052] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application's specification are for illustrative purposes only and do not represent the only possible implementation.

[0053] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0054] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level (or in a usage state, or from a certain viewpoint in the drawing) than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level (or in a usage state, or from a certain viewpoint in the drawing) than the second feature.

[0055] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used in this application includes any and all combinations of one or more of the associated listed items.

[0056] In existing technology, the folding blade, die, and bag-shaped plate of the bag-applying machine work together to apply the bag-shaped fabric. The folding blade can fold the edges of the bag-shaped fabric. When the bag size changes, the folding blade needs to be replaced or adjusted, which affects the work efficiency.

[0057] See Figure 1 , Figure 2 This application provides an automatic adjustment mechanism for the folding blade of a bag-applying machine, including a base plate 100 and multiple sets of folding blade assemblies 300 mounted on the base plate 100. Regarding the bag-applying machine as a whole, the multiple sets of folding blade assemblies 300 are not strictly limited to all folding blade assemblies 300 in the bag-applying machine, but include at least two sets. The base plate 100 can serve as a mounting platform for other components. The base plate 100 has opposing top and bottom sides. The die 200 and the folding blade assemblies 300 are located on the bottom side of the base plate. A raised bracket 130 is fixed above the base plate 100. A first drive mechanism 400 is mounted on the base plate 100 and the bracket 130 for adjusting each set of folding blade assemblies 300.

[0058] Each folding knife assembly set of 300 includes:

[0059] The folding knife 310 has an initial position and a working position after movement;

[0060] The second drive mechanism 320 is mounted on the base plate 100 to drive the folding blade 310 to switch between the initial position and the working position.

[0061] The locking mechanism 500 is connected between the second drive mechanism 320 and the folding knife 310. The locking mechanism 500 has a locked state that keeps the second drive mechanism 320 and the folding knife 310 in motion, and a released state that releases the connection.

[0062] The automatic adjustment mechanism for the folding knife also includes a first drive mechanism 400, which is connected to each set of folding knife assemblies 300. When the bag size changes, the folding knife 310 needs to be adjusted. At this time, the locking mechanism 500 is switched to the released state, and the folding knife 310 is driven and adjusted by the first drive mechanism 400. After the adjustment is completed, the locking mechanism 500 is switched to the locked state, that is, the folding knife 310 is reconnected with the second drive mechanism 320.

[0063] During adjustment, since the travel distance between the initial position and the working position of the folding blade 310 is not changed, it can be understood that the initial position of the folding blade 310 is changed relative to the substrate 100. Similarly, the working position is also adjusted to adapt to the change in bag size.

[0064] Combination Figures 3-5 Multiple linkage seats 220 are mounted on the bottom side of the substrate 100. For example, they can be slidably mounted. Each folding blade 310 is movably mounted on the corresponding linkage seat 220 to adapt to switching between the initial position and the working position. The folding blade 310 moves with the linkage seat 220 during adjustment.

[0065] The bottom of the linkage seat 220 may be provided with an intermediate part 210 in a fixed or detachable manner, wherein the detachable connection is selected from at least one of magnetic attraction, sliding positioning and fastener engagement.

[0066] The first drive mechanism 400 uses the same power unit (e.g., motor 440 below) in conjunction with an improved transmission mechanism to simultaneously drive all controlled linkage seats 220, which in turn drive the folding knife 310 via the intermediate component 210 to adjust the initial position and working position.

[0067] All the folding blades 310 controlled by the first drive mechanism 400 have different adjustment directions, that is, at least two adjustment directions. In this embodiment, all the controlled folding blades 310 move in different directions during adjustment, and generally tend to converge or diverge outward.

[0068] When adjusting each folding blade 310, a conventional power mechanism and a position locking mechanism can be configured respectively. In this embodiment, in order to further improve efficiency, multiple folding blades 310 are adjusted in a coordinated manner, which simplifies the equipment structure and reduces costs.

[0069] A guide seat 110 is fixed to the bottom side of the substrate 100, and a track 222 can be fixed to the top of the linkage seat 220, and slides with the guide seat 110 through the track 222. Of course, the guide seat 110 and the track 222 are relative terms, and vice versa. Such naming is only for ease of reading and does not strictly limit whether the positions of the two can be interchanged.

[0070] In the released state, the locking mechanism 500 can maintain a relative positional relationship between the linkage seat 220 and the folding blade 310 through the reset member 350 to achieve synchronous adjustment. During normal operation, the folding blade 310 moves from the initial position to the working position, and the reset member 350 adapts to deformation or movement. The positions of the linkage seat 220 and the intermediate member 210 relative to the base plate 100 remain unchanged.

[0071] To implement the drive, in one embodiment, the substrate 100 has strip-shaped guide holes 120 for each linkage seat 220. A first transmission member 221 is connected to the linkage seat 220 and inserted into the corresponding guide hole 120. The first transmission member 221 is fixed to the linkage seat 220. When adjustment is required, it moves along the corresponding guide hole 120. The multiple guide holes 120 are roughly radially distributed. The first transmission member 221 itself can be a transmission pin or the like that that is vertically fixed to the linkage seat 220.

[0072] In one embodiment, the first drive mechanism 400 includes a motor 440 as a power unit. The motor 440 has advantages such as easy control and high adjustment precision. It can also cooperate with sensors to detect the position signals of moving parts, provide information feedback, and control accordingly. After adjustment, the motor 440 self-locks to maintain the relative position of each intermediate component 210 and the base plate 100, that is, to maintain the initial position of the folding blade 310. The transmission cooperation between the motor 440 and the first transmission component 221 can adopt different forms such as cam, connecting rod, and gear. Preferred methods are also provided below.

[0073] In one embodiment, the motor 440 is mounted on the bracket 130. The motor shaft of the motor 440 is connected to the torsion shaft 410 via a universal joint 450. The torsion shaft 410 is vertically positioned, perpendicular to the base plate 100, while the horizontally positioned motor 440 reduces space occupation. The universal joint 450 can effectively transmit and bear a large torque. The top of the torsion shaft 410 is rotatably fitted to the bracket 130, and the bottom of the torsion shaft 410 is rotatably fitted to the base plate 100. A synchronization plate 420 is also fixed to the bottom of the torsion shaft 410 above the base plate 100. The synchronization plate 420 has two strip-shaped synchronization holes 421, and the extending direction of each synchronization hole 421 is oblique to the radial direction of the torsion shaft 410.

[0074] In one embodiment, to coordinate multiple folding blades 310, a connecting plate 430 is also provided. There are two connecting plates 430, which are respectively arranged on two opposite sides of the radial direction of the torsion shaft 410. A synchronizing plate 420 is stacked on the two connecting plates 430. A second transmission member 431 is fixed on each connecting plate 430. The second transmission member 431 can be a transmission pin or the like that that is vertically fixed to the connecting plate 430 and extends into the corresponding synchronizing hole 421.

[0075] The synchronous plate 420 moves by rotating with the torsion shaft 410, and then drives each connecting plate 430 through the synchronous hole 421 and the second transmission member 431. To limit the direction of movement of the connecting plates 430, each connecting plate 430 has a strip-shaped second guide hole 433. A guide pin 140 extending into the second guide hole 433 is fixed on the base plate 100. As can be seen in the figure, all the second guide holes 433 have the same extending direction, for example, they all extend in the front-to-back direction (corresponding to...). Figure 2(Up and down direction) The two connecting plates 430 can synchronously move closer to or further away from the torsion shaft 410 in opposite directions.

[0076] Each linkage plate 430 has multiple drive holes 432. Different first transmission components 221 extend into the corresponding drive holes 432, but it is not strictly required that all first transmission components 221 adopt this transmission method. It can be understood that at least one first transmission component 221 adopts this transmission method.

[0077] Since the movement directions of each folding blade 310 and the connecting plate 430 may not be consistent during adjustment, in one embodiment, for the folding blade 310 that moves in the same direction as the connecting plate 430, its corresponding first transmission member 221 can be fixed in the drive hole 432, that is, directly follow the connecting plate 430.

[0078] In one embodiment, for the folding knife 310 whose movement direction is inconsistent with that of the connecting plate 430, the corresponding first transmission member 221 extends into the drive hole 432. At this time, the drive hole 432 is a strip hole and is obliquely intersecting with the corresponding guide hole 120. That is, the projections of the two in the vertical direction have an overlapping area, so as to release the component force in the unexpected direction and ensure that the first transmission member 221 moves smoothly along the guide hole 120.

[0079] In one embodiment, a concave mold 200 is also installed on the bottom side of the substrate 100. The concave mold 200 itself can be combined with the prior art and has a concave mold wall that matches the preset bag shape. As one of the improvements of this application, the concave mold wall adopts a split structure, including multiple unit walls. In the improved embodiment, the intermediate part 210 is the unit wall. Multiple intermediate parts 210 together constitute the concave mold 200. When adjusting the folding knife 310, each unit wall can be adjusted synchronously to adapt to different bag shapes.

[0080] The concave mold wall is generally U-shaped, with opposite open and closed sides. The open side corresponds to the bag opening and the closed side corresponds to the bag bottom. In this embodiment, the intermediate component 210, i.e. the unit wall, includes five parts: the central bag bottom unit wall, two bottom corner unit walls adjacent to the two sides of the bag bottom unit wall, and two side unit walls on both sides of the opening.

[0081] The bottom unit wall and two bottom corner unit walls are connected to one of the connecting plates, and the two side unit walls are connected to the other connecting plate. The bottom unit wall directly follows the connecting plate 430, while the adjustment direction of the other four unit walls is not the same as the movement direction of the connecting plate 430. In the above embodiment, the unit walls adopt a modular design, which can flexibly adapt to the bag size.

[0082] In some cases, when the shape of a unit wall or folding blade itself needs to be adjusted, preferred methods are provided below for easy disassembly and replacement.

[0083] See Figure 6 , Figure 7 In one embodiment, the linkage seat 220 and the intermediate member 210 are detachably connected by magnetic attraction. The track 222 on the top of the linkage seat 220 not only serves as a sliding fit but can also be further extended to assist in supporting the folding knife assembly 300. In different embodiments, the track 222 can be fixed or slidably fitted to the top of the linkage seat 220. Since the intermediate member 210 is fixed relative to the base plate 100 (the relative position is pre-adjusted and locked) when the folding device is working, and the folding knife assembly 300 needs to reciprocate to act on the bag-shaped fabric, the folding knife assembly 300 and the track 222 are also slidably fitted to avoid hindering the movement of the folding knife assembly 300.

[0084] The linkage seat 220 has a magnetic attracting element 223 embedded inside or at the bottom, which magnetically attracts the intermediate part 210. A connecting plate 211 can be fixed to the top surface of the intermediate part 210, and the connecting plate 211 is attached to the bottom of the linkage seat 220. When disassembly is required, the intermediate part 210 and the folding knife 310 can be separated from the linkage seat 220 simply by overcoming the magnetic attraction. A complementary engagement structure can also be provided between the linkage seat 220 and the connecting plate 211 to further prevent misalignment and improve assembly accuracy.

[0085] In one embodiment, the second drive mechanism 320 in the folding knife assembly 300 can be a push-pull cylinder 322 fixed on the base plate 100. The folding knife 310 is linked to the piston rod of the push-pull cylinder 322. When used in conjunction with the bag-shaped plate, the folding knife 310 is relatively far away from the bag-shaped plate in the initial position, and relatively close to the bag-shaped plate in the working position to squeeze and fold the bag-shaped fabric.

[0086] Multiple sets of folding knife assemblies 300 are configured. For the bag-applying machine as a whole, the folding knife assemblies 300 shown in the figure and embodiments are not strictly required to be all folding knife assemblies 300. In this embodiment, each set of folding knife assemblies 300 corresponds to one intermediate component 210. Since the folding knife 310 moves relative to each intermediate component 210 during operation, in order to adjust the folding knife 310 at the same time as adjusting the intermediate component 210, and to allow the intermediate component 210 and the folding knife 310 to move relative to each other during operation, in one embodiment, the connection method between the two is improved, that is, a resettable movable connection is adopted.

[0087] Specifically, the tail of the folding knife 310 is fixed with a knife holder 330, and a guide rod 224 is fixed on the linkage seat 220 or the intermediate part 210. The knife holder 330 has a first guide hole 331 through which the guide rod 224 slides. One end of the guide rod 224 that passes through the knife holder 330 has a limit head 225. This means that the folding knife 310 can slide relative to the intermediate part 210. On this basis, a reset member 350 is set between the intermediate part 210 and the knife holder 330. For example, the reset member 350 is a helical compression spring sleeved on the guide rod 224. After the folding knife 310 moves, it can maintain its relative position with the intermediate part 210 under the action of the reset member 350. For example, the reset member 350 pushes the knife holder 330 until it is blocked by the limit head 225. When the folding knife 310 is disengaged from the second drive mechanism 320, the folding knife 310 can adjust its initial position synchronously with the intermediate part 210. After the adjustment is completed, it resumes the linkage with the second drive mechanism 320.

[0088] The folding blade 310 and the second drive mechanism 320 are connected by a locking mechanism 500, which allows for an adjustable transmission connection. Specific methods of this adjustable connection include locking cylinders, manual pins, meshing, tight fit, magnetic attraction, etc. When the locking mechanism 500 is released, it allows the folding blade 310 to change its relative position to the second drive mechanism 320.

[0089] The locking mechanism 500 may include a connecting seat 510 and a locking element. The connecting seat 510 is mainly used for the transition connection between the folding knife 310 and the second drive mechanism 320, providing a structural foundation for cooperation with other components, as well as necessary support. The locking element itself can change its locked or unlocked state, allowing the locking mechanism 500 to switch between a locked state and a released state. Depending on the drive type, the locking element may be an automatic locking element 520 or a manual locking element 530. The automatic locking element 520 is driven by a linked power source (motor, cylinder, etc.) that automatically switches the state of the locking mechanism 500 according to a control signal; while the manual locking element 530 is driven by manual operation to switch the state of the locking mechanism 500.

[0090] In the locking mechanism 500, multiple locking elements of the same type or multiple locking elements of different types can be configured. At least one locking element that can switch the locking mechanism state can be configured between the second drive mechanism 320 and the connecting seat 510, and between the connecting seat 510 and the folding knife 310. When locking elements are configured in both cases, the types of locking elements can be the same or different.

[0091] Specifically, the transmission method between the second drive mechanism 320 and the folding knife 310 can be:

[0092] In method a), the second drive mechanism 320 is directly driven by the connecting seat 510, and the connecting seat 510 and the folding knife 310 are driven by the automatic locking member 520 or the manual locking member 530.

[0093] Direct drive does not strictly limit the number of components involved in the transmission. It is only relative to the automatic locking component 520 and the manual locking component 530. That is, direct drive always maintains the transmission connection during normal use and cannot switch the state of the locking mechanism 500.

[0094] In method b), the second drive mechanism 320 and the connecting seat 510 are driven by the first automatic locking element, and the connecting seat 510 and the folding knife 310 are driven by direct drive, the second automatic locking element, or the manual locking element.

[0095] As further explained, automatic locking components can be used simultaneously between the second drive mechanism 320 and the coupling seat 510, and between the coupling seat 510 and the folding knife 310. Of course, the automatic locking components at the two locations are configured separately.

[0096] In method c), the second drive mechanism 320 and the connecting seat 510 are driven by the first manual locking element, and the connecting seat 510 and the folding knife 310 are driven by direct drive, automatic locking element drive or second manual locking element drive.

[0097] As further explained, manual locking components can be used simultaneously between the second drive mechanism 320 and the coupling seat 510, and between the coupling seat 510 and the folding knife 310. Of course, the manual locking components at the two locations are configured separately.

[0098] In one embodiment, the second drive mechanism 320 can be powered by a motor or cylinder, and a corresponding transmission mechanism is provided. In order to drive the folding knife 310, the second drive mechanism 320 has an output member 321 that is located downstream and movable according to the transmission sequence. The folding knife 310 is fixed with a handle 340, and the locking mechanism 500 can be connected between the handle 340 and the output member 321.

[0099] Since the initial position adjustment of the folding knife 310 is not done in a stepwise manner, but may only involve fine-tuning or require stepless adjustment, an automatic locking element 520 is preferably provided in the position-adjustable transmission connection to achieve automatic control. This element can automatically switch between locked and released states and is also suitable for stepless adjustment. For example, the automatic locking element 520 can use a locking cylinder to lock or release the handle 340 and allow the handle 340 to slide and adjust.

[0100] To facilitate disassembly and assembly, and to maintain the relative position of the folding blade 310 and the second drive mechanism 320 before and after disassembly and assembly, a manual locking element 530 can also be provided in the locking mechanism 500. When in use, the manual locking element 530 remains engaged, and when disassembly is required, the engagement is disengaged to separate the parts. The manual locking element 530 preferably adopts a structure that allows for quick positioning and disassembly, such as a positioning pin or a snap-fit ​​method.

[0101] Combination Figure 8 , Figure 9 In one embodiment, in order to realize the above connection method and carry related components, the locking mechanism 500 includes a connecting seat 510, an automatic locking member 520 and a manual locking member 530. One of the automatic locking member 520 and the manual locking member 530 acts between the connecting seat 510 and the second drive mechanism 320, and the other acts between the connecting seat 510 and the folding knife 310.

[0102] In one embodiment, the second drive mechanism 320 is a push-pull cylinder 322, the output component 321 is a connecting seat fixed to the cylinder piston rod, and the manual locking component 530 acts between the connecting seat and the connecting seat 510. For example, the connecting seat has a strip-shaped hole, and the manual locking component 530 is a locking bolt set on the connecting seat 510 and passing through the adjustment hole. Alternatively, the connecting seat and the connecting seat 510 have mating pin holes, and the manual locking component 530 is a positioning pin inserted into the corresponding pin hole. During disassembly, the connecting seat 510 and the second drive mechanism 320 can be quickly separated by the manual locking component 530. Combined with the magnetic engagement between the intermediate component 210 and the linkage seat 220, the intermediate component 210 and the corresponding folding knife assembly 300 can be quickly removed.

[0103] In one embodiment, the bottom of the coupling seat 510 is provided with a first limiting hole 512, and the handle 340 is inserted into the first limiting hole 512. The automatic locking component 520 is a locking cylinder installed in the coupling seat 510. The piston rod of the locking cylinder has a limiting head 513 that interacts with the handle 340. In order to accommodate the adjustment and disassembly of the folding knife 310, the handle 340 is provided with a slot 341 with one end open. The piston cylinder of the locking cylinder passes through the slot 341, and the limiting head 513 is located at the end of the piston cylinder that exits the slot 341. When adjustment is required, the locking cylinder is released, and the handle 340 can move to any position within the stroke range relative to the locking cylinder. After the adjustment of the intermediate component 210 and the folding knife 310 is implemented by the first drive mechanism 400, the locking cylinder relocks the handle 340.

[0104] The adjustment direction of the folding knife 310 is restricted by the guide hole 120, and the arrangement direction of the guide seat 110 and the track 222 corresponds to it. For example, the extension direction of the guide hole 120 is the first direction, and the folding knife 310 moves along the second direction when it is working. If the first direction is parallel to the second direction, the locking mechanism 500 can release the locking of the handle 340 of the folding knife 310 during adjustment, and the adjustment can be made accordingly without interference in the direction of movement.

[0105] In some cases, the first direction and the second direction are tilted towards each other, and the folding knife 310 cannot be adjusted directly along the first direction because the folding knife 310 can only move along the second direction relative to the second drive mechanism, and there is interference with the first direction of movement.

[0106] To solve this problem, see Figure 10 , Figure 11 In one embodiment, a sliding joint is provided between the locking mechanism 500 and the second driving mechanism, or within the locking mechanism 500, to engage in a third direction. The sliding joint can be configured such that the connecting seat 510 itself is a split structure with a sliding engagement, with one part of the split structure connected to the second driving mechanism 320 and the other part connected to the folding knife 310.

[0107] The sliding joint in the figure includes a sliding base 323 and a sliding rail 324 that cooperate with each other. The sliding base 323 is fixed to the bottom of the connecting seat, which serves as the output component 321. The sliding rail 324 can be fixed to the connecting seat 510 and slide along a third direction. The third direction can be perpendicular to the second direction. The third direction and the second direction can be combined to form a first direction suitable for the movement of the folding knife 310. When adjusting the folding knife 310, the sliding base 323 and the sliding rail 324 slide adaptively. The first direction, the second direction and the third direction mentioned above are all arranged on the parallel surface of the substrate 100.

[0108] Based on the foregoing, one embodiment of this application also provides a bag-applying machine, incorporating the automatic folding knife adjustment mechanism of the bag-applying machines described in the preceding embodiments. The structure of other parts of the bag-applying machine can be implemented in conjunction with existing technology.

[0109] This application is used in the automatic adjustment mechanism of the folding blade of a bag-applying machine. Multiple folding blades can be adjusted synchronously and quickly to adapt to different bag shapes and sizes. Combined with automatic control to implement scaling, it can reduce the production and debugging of fixtures and further reduce costs.

[0110] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as the combination of these technical features does not contradict each other, it should be considered to be within the scope of this specification. When technical features of different embodiments are embodied in the same drawing, it can be regarded as the drawing also disclosing examples of combinations of the various embodiments involved.

[0111] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the scope of protection of this application. Therefore, the patent protection scope of this application should be determined by the appended claims.

Claims

1. A folding knife automatic adjustment mechanism for a bag sealer, characterized by, The utility model relates to a folding knife assembly, comprising a base plate and a plurality of folding knife assemblies mounted on the base plate, each folding knife assembly comprising: a folding knife having an initial position and a working position; a second driving mechanism mounted on the base plate for driving the folding knife to switch between the initial position and the working position; a locking mechanism connected between the second driving mechanism and the folding knife, the locking mechanism having a locking state in which the second driving mechanism and the folding knife are linked, and a release state in which the linkage is released; the folding knife automatic adjustment mechanism further comprises a first driving mechanism connected to each folding knife assembly for adjusting the folding knife when the locking mechanism is in the release state.

2. The automatic folding knife adjusting mechanism for a bag sealer according to claim 1, wherein The base plate is provided with a plurality of linkage seats, each linkage seat being in driving connection with the first driving mechanism; the folding knife in each folding knife assembly is movably mounted on the corresponding linkage seat to adapt to the folding knife switching between the initial position and the working position, and the folding knife follows the linkage seat during adjustment.

3. The automatic folding knife adjusting mechanism for a bag sealer according to claim 2, wherein The linkage seat is slidably mounted on the base plate; the first driving mechanism comprises: a motor as a power device; a linkage plate driven by the motor relative to the base plate, the linkage seat being fixedly connected to the linkage plate, or the linkage plate and the base plate each having a strip-shaped hole and being obliquely intersected with each other, the linkage seat being provided with a first transmission member movably extending into the intersection region of the two strip-shaped holes.

4. The automatic folding knife adjusting mechanism for a bag sealer according to claim 3, wherein The linkage plate is provided with a plurality of second transmission members, and the first driving mechanism further comprises: a synchronization plate provided with a plurality of strip-shaped synchronization holes, the second transmission members extending into the corresponding synchronization holes, the synchronization plate being fixedly provided with a vertical torsion shaft and being linked with the motor through the torsion shaft.

5. The automatic folding knife adjusting mechanism for a bag sealer according to claim 1, wherein The base plate is provided with a plurality of intermediate members, each intermediate member being in driving connection with the first driving mechanism; the intermediate member is provided with a guide rod, and the tail of the folding knife is fixedly provided with a knife seat, the knife seat being provided with a first guide hole and being slidably sleeved on the guide rod through the first guide hole.

6. The automatic folding knife adjusting mechanism for a bag sealer according to claim 5, wherein The end of the guide rod penetrating out of the knife seat is provided with a limiting head; the guide rod is sleeved with a reset member, the reset member being abutted between the intermediate member and the knife seat, the reset member being adaptively deformed or moved when the folding knife tends to move from the initial position to the working position.

7. The automatic folding knife adjusting mechanism for a bag sealer according to claim 5, wherein The base plate is provided with a plurality of linkage seats, each linkage seat being in driving connection with the first driving mechanism; the intermediate member is fixedly connected or detachably connected with the corresponding linkage seat, wherein the cooperation mode of the detachable connection is selected from at least one of magnetic attraction cooperation, sliding positioning cooperation and fastener cooperation.

8. The automatic folding knife adjusting mechanism for a bag sealer according to claim 1, wherein The locking mechanism comprises a combination seat and a locking member, the locking member being an automatic locking member and / or a manual locking member, the automatic locking member and the manual locking member enabling the locking mechanism to switch between the locking state and the release state through corresponding driving modes; the driving mode between the second driving mechanism and the folding knife is: a) the second driving mechanism directly drives the combination seat, and the combination seat and the folding knife are driven by the automatic locking member or the manual locking member; or b) the second driving mechanism and the combination seat adopt first automatic locking transmission, the combination seat and the folding knife adopt direct transmission, second automatic locking transmission or manual locking transmission; or c) the second driving mechanism and the combination seat adopt first manual locking transmission, the combination seat and the folding knife adopt direct transmission, automatic locking transmission or second manual locking transmission.

9. The automatic folding knife adjustment mechanism for a bag sealer according to claim 8, wherein The folding knife is fixed with a handle, and the second driving mechanism has a movable output element, and the locking mechanism is connected between the handle and the output element.

10. A bagging machine characterized by comprising: The folding knife automatic adjusting mechanism for the bag sticking machine has the structure as claimed in any one of claims 1-9.

Images