A folding knife device and bag opener

Abstract

The utility model discloses a folding knife device and bag opening machine relates to bag opening machine technical field, and folding knife device includes the base plate, the support plate connected to the base plate, the power source connected to the support plate, with the output end connection of power source and the extension in height direction's lead screw, the nut of casing in lead screw, with the nut through the transmission subassembly connection's two folding knife subassembly, and first guide assembly, two folding knife subassembly interval setting in the width direction of base plate, and first guide assembly is used for guiding two folding knife subassembly to slide in the width direction, and the output end of power source is used for drive two folding knife subassembly to be close or away in the width direction. Control the rotation direction of lead screw, the rotation number and the rotation angle can adjust the initial position of two folding knife subassembly in the width direction of base plate, make two folding knife subassembly suitable for the pocket of different width, reduced the time of manual regulation folding knife subassembly position, improved the adjustment efficiency, avoided the problem of low efficiency in prior art in the mode.

Description

Technical Field

[0001] This utility model relates to the field of bag opening machine technology, and in particular to a folding knife device and a bag opening machine. Background Technology

[0002] A pocket-opening machine is a machine that uses a folding knife device to fold cut fabric and then sew it to form a pocket. Current pocket-opening machines use an upper folding knife device. The working principle of the upper folding knife device is as follows: when the entire upper folding knife device moves above the fabric, the lifting cylinder drives the four folding knives in four directions to descend to the four sides of the fabric. Simultaneously, the four horizontal cylinders actuate, folding the fabric, which is then clamped and sewn.

[0003] When the length and width dimensions of the pocket change, the operator first moves the upper folding knife device into the rectangular groove formed by the pocket, then loosens the fixing bolts of the horizontal cylinder seat on the device, and then pulls the folding knife module to align the folding knife with the four sides, fixes the horizontal cylinder seat, and resets the device to complete one mold changing operation on the folding knife device.

[0004] Completing a mold change operation involves numerous steps, which are tedious and time-consuming. After completion, the debugging personnel must fold the fabric to check if the machine has been properly debugged. If it fails, another mold change operation is required, resulting in low efficiency. Furthermore, this type of mold change operation demands a high level of practical experience and proficiency from the debugging personnel and is not universally applicable.

[0005] Therefore, how to avoid the problem of low mold-changing efficiency in the existing technology is a technical problem that needs to be solved by those skilled in the art. Utility Model Content

[0006] The purpose of this invention is to provide a folding knife device and a bag opening machine that can avoid the problem of low mold changing efficiency in the prior art.

[0007] To achieve the above objectives, this utility model provides a folding knife device, including a base plate, a support plate connected to the base plate, a power source connected to the support plate, a lead screw connected to the output end of the power source and extending in the height direction, a nut sleeved on the lead screw, two sets of folding knife assemblies connected to the nut through a transmission assembly, and a first guide assembly. The two sets of folding knife assemblies are spaced apart in the width direction of the base plate. The first guide assembly is used to guide the two sets of folding knife assemblies to slide in the width direction. The output end of the power source is used to drive the two sets of folding knife assemblies to move closer or further apart in the width direction.

[0008] In one possible implementation, the transmission assembly includes:

[0009] The first fixing rod is connected to the nut via a connecting assembly, and both ends of the first fixing rod are provided with connecting parts;

[0010] Two mounting brackets, each corresponding to a folding knife assembly, are connected to the two folding knife assemblies respectively;

[0011] Two first links correspond one-to-one with the fixed seat and the connecting part. One end of the first link is hinged to the connecting part, and the other end of the first link is hinged to the fixed seat.

[0012] In one possible implementation, the connection component includes:

[0013] The lifting nut plate is fixedly connected to the nut;

[0014] A fixing plate is fixedly connected to the lifting nut plate. The fixing plate is provided with a first connecting hole and a second connecting hole communicating with the first connecting hole. The first connecting hole is used for the first fixing rod to pass through.

[0015] A fastener is connected to the second connecting hole, and the end of the fastener facing the first fixing rod can be screwed into the first connecting hole to fix the first fixing rod.

[0016] In one possible implementation, the folding knife assembly includes:

[0017] The connecting plate is fixedly connected to the mounting base;

[0018] A fixing block is fixedly connected to the connecting plate, and the fixing block is located below the base plate;

[0019] Folding knife, connected to the bottom of the connecting plate.

[0020] In one possible implementation, the first guiding component includes:

[0021] The first guide rail is connected to the side of the substrate facing the fixing block, and the first guide rail extends in the width direction;

[0022] The first slider is connected to the side of the fixed block facing the substrate, and the first slider slides in cooperation with the first guide rail.

[0023] In one possible implementation, there are two first guide rails, which are parallel and spaced apart. Each fixing block is connected to two first sliders to connect the fixing block to both first guide rails.

[0024] In one possible implementation, a second guide assembly is provided between the lifting nut plate and the support plate, the second guide assembly comprising:

[0025] The second guide rail is connected to the side of the support plate facing the lifting nut plate, and the extension direction of the second guide rail is parallel to the extension direction of the axis of the lead screw.

[0026] The second slider corresponds one-to-one with the second guide rail. The second slider is connected to the side of the lifting nut plate facing the support plate, and the second slider slides in conjunction with the second guide rail.

[0027] In one possible implementation, the connecting plate is provided with a first mounting hole, and the folding knife is provided with a second mounting hole coaxially arranged with the first mounting hole. The connector passes through the first mounting hole and is connected to the second mounting hole, so that the connecting plate and the folding knife are fixedly connected.

[0028] In one possible implementation, a power source mounting plate is also included, which is connected to the top of the support plate and is used to position the power source above the substrate.

[0029] Based on the above, this application also provides a bag opening machine, including the folding knife device of all the above embodiments.

[0030] Compared with the prior art, the technical solution provided by this utility model has at least the following beneficial effects: the output end of the power source drives the lead screw to rotate, which in turn drives the nut sleeved on the lead screw to move in the height direction, so that the two sets of folding blade assemblies connected to the nut through the transmission assembly slide in the width direction of the substrate under the guidance of the first guide assembly, so that the two sets of folding blade assemblies move closer or further away from each other. By controlling the rotation direction, number of rotations and rotation angle of the lead screw, the initial position of the two sets of folding blade assemblies in the width direction of the substrate can be adjusted, so that the two sets of folding blade assemblies can be used to adapt to pockets of different widths, reducing the time for manually adjusting the position of the folding blade assemblies, improving the adjustment efficiency, and avoiding the problem of low mold changing efficiency in the prior art. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0032] Figure 1 This is a schematic diagram of the folding knife device provided in an embodiment of the present utility model;

[0033] Figure 2 This is a schematic diagram of the transmission assembly provided in an embodiment of the present utility model;

[0034] Figure 3 This is a schematic diagram of the folding knife assembly provided in an embodiment of the present invention.

[0035] in:

[0036] 100-substrate;

[0037] 200-Support plate;

[0038] 300 - Power Source;

[0039] 400-lead screw;

[0040] 500-nut;

[0041] 610-First fixing rod, 620-Fixing seat, 630-First connecting rod, 640-Lifting nut plate, 650-Fixing plate, 651-Second connecting hole;

[0042] 710-Connecting plate, 711-First mounting hole, 720-Fixing block, 730-Folding blade, 731-Second mounting hole, 740-Connector;

[0043] 810 - First guide rail, 820 - First slider;

[0044] 910 - Second guide rail;

[0045] 1000-Power Source Mounting Plate. Detailed Implementation

[0046] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0047] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0048] In the description of this utility model, it should be understood that the terms "upper" and "lower" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the position 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 of this utility model.

[0049] The purpose of this invention is to provide a folding knife device and a bag opening machine that can avoid the problem of low mold changing efficiency in the prior art.

[0050] Please see Figures 1 to 3To achieve the above objectives, this utility model provides a folding knife device, including a base plate 100, a support plate 200 connected to the base plate 100, a power source 300 connected to the support plate 200, a lead screw 400 connected to the output end of the power source 300 and extending in the height direction, a nut 500 sleeved on the lead screw 400, two sets of folding knife assemblies connected to the nut 500 through a transmission assembly, and a first guide assembly. The two sets of folding knife assemblies are spaced apart in the width direction of the base plate 100, and the width direction of the base plate 100 is consistent with the width direction of the rectangular groove formed by the pocket. The first guide assembly is used to guide the two sets of folding knife assemblies to slide in the width direction of the base plate 100, and the output end of the power source 300 is used to drive the two sets of folding knife assemblies to move closer or further away in the width direction of the base plate 100.

[0051] The folding knife device also includes a power source mounting plate 1000, which is connected to the top of the support plate 200. The power source mounting plate 1000 is used to position the power source 300 above the base plate 100. The support plate 200 is a vertically extending plate structure, with its bottom connected to the upper surface of the base plate 100, so that its top is at a certain distance from the base plate 100 in the height direction. The power source mounting plate 1000 is a horizontally extending plate structure. The power source mounting plate 1000 is provided with a first threaded hole, and the top of the support plate 200 is provided with a second threaded hole corresponding to the first threaded hole. Screws pass through the first threaded hole and are connected to the second threaded hole, so that the power source mounting plate 1000 and the support plate 200 are fixedly connected. The power source 300 can be, but is not limited to, a motor. The motor housing is fixedly connected to the power source mounting plate 1000, and the output shaft of the motor extends in the height direction and is connected to the lead screw 400 through a coupling, so as to drive the lead screw 400 to rotate around its own axis.

[0052] The output of the power source 300 drives the lead screw 400 to rotate, which in turn drives the nut 500 sleeved on the lead screw 400 to move in the height direction. This allows the two sets of folding blade assemblies connected to the nut 500 via the transmission assembly to slide in the width direction of the substrate 100 under the guidance of the first guide assembly. This allows the two sets of folding blade assemblies to move closer to or further away from each other. By controlling the rotation direction, number of rotations, and rotation angle of the lead screw 400, the initial position of the two sets of folding blade assemblies in the width direction of the substrate 100 can be adjusted. This allows the two sets of folding blade assemblies to be used for pockets of different widths. When the pocket width changes, the distance between the two folding blade assemblies can be adjusted without manually disassembling or reassembling the parts, reducing the time spent manually adjusting the position of the folding blade assemblies. The angle of the motor rotation controls the displacement distance of the nut 500, achieving high precision adjustment of the folding blade 730 module and improving adjustment efficiency. This avoids the problem of low mold changing efficiency in existing technologies. In addition, a display screen for outputting instructions can be added. The corresponding mold changing process can be completed simply by operating the display screen. Automatic adjustment replaces manual adjustment, which increases the automation level of the machine and reduces the labor intensity of the staff.

[0053] In one possible implementation, the transmission assembly includes a first fixed rod 610, two fixed seats 620, and two first connecting rods 630. The first fixed rod 610 is connected to a nut 500 via a connecting assembly, and both ends of the first fixed rod 610 are provided with connecting portions. The two fixed seats 620 correspond one-to-one with the folding knife assemblies, and are respectively connected to the two folding knife assemblies. The first connecting rods 630 correspond one-to-one with the fixed seats 620 and one-to-one with the connecting portions. One end of the first connecting rod 630 is hinged to the connecting portion, and the other end is hinged to the fixed seat 620. The end of the first connecting rod 630 hinged to the connecting portion can be configured as a swing structure, and the end of the first connecting rod 630 hinged to the fixed seat 620 can be configured as a fisheye connector, so that when the first connecting rod 630 rises and falls, it drives the two fixed seats 620 to automatically adjust symmetrically, causing the two fixed seats 620 to move closer to or further away from each other in the width direction of the base plate 100.

[0054] The connecting assembly includes a lifting nut plate 640, a fixing plate 650, and a fastener. The lifting nut plate 640 is fixedly connected to the nut 500. The lifting nut plate 640 includes a horizontal portion and a vertical portion that are perpendicular to each other. The horizontal portion is fixedly connected to the nut 500, and the vertical portion is connected to the horizontal portion and extends in the height direction. The fixing plate 650 is fixedly connected to the vertical portion of the lifting nut plate 640. The fixing plate 650 has a third threaded hole, and the vertical portion has a fourth threaded hole. A screw passes through the third threaded hole and connects to the fourth threaded hole to fix the fixing plate 650 and the vertical portion of the lifting nut plate 640 relative to each other. The fixing plate 650 is located on the side of the vertical portion away from the support plate 200. The fixing plate 650 has a first connecting hole and a second connecting hole 651 communicating with the first connecting hole. The first connecting hole is used for the first fixing rod 610 to pass through. The fastener is connected to the second connecting hole 651, and the end of the fastener facing the first fixing rod 610 can be screwed into the first connecting hole to fix the first fixing rod 610, so that both connecting parts of the first fixing rod 610 are located outside the first connecting hole, so that the two first connecting rods 630 can be connected to the corresponding connecting parts.

[0055] Nut 500 is connected to lifting nut plate 640, lifting nut plate 640 is connected to fixed plate 650, and first fixed rod 610 is connected to fixed plate 650. The motor rotates to drive nut 500 to move up and down. Nut 500 drives lifting nut plate 640, fixed plate 650 and first fixed rod 610 to move up and down in the height direction. One end of first connecting rod 630 is connected to connecting part, and the other end of first connecting rod 630 is connected to fixed seat 620. Under the action of first connecting rod 630, fixed seat 620 has an upward tendency to move, but due to the limitation of the first guide component, fixed seats 620 can only move closer or further away from each other in the width direction of base plate 100 to adjust the distance between the two folding blade assemblies in the width direction of base plate 100.

[0056] In one possible implementation, the substrate 100 has a through opening in the height direction. Each folding blade assembly includes a connecting plate 710, a fixing block 720, and a folding blade 730. The top of the connecting plate 710 passes through the opening and is fixedly connected to the fixing base 620. The bottom of the connecting plate 710 is located below the substrate 100. The connection between the connecting plate 710 and the fixing base 620 can be, but is not limited to, a screw connection or a bolt connection. The fixing block 720 is fixedly connected to the connecting plate 710 and is located below the substrate 100. The folding knife 730 is connected to the bottom of the connecting plate 710. The connecting plate 710 has a first mounting hole 711, and the folding knife 730 has a second mounting hole 731 coaxially arranged with the first mounting hole 711. The connector 740 passes through the first mounting hole 711 and is connected to the second mounting hole 731 to fix the connecting plate 710 and the folding knife 730. The first mounting hole 711 and the second mounting hole 731 can be, but are not limited to, threaded holes, and the connector 740 can be, but is not limited to, a screw.

[0057] In this embodiment, the first guiding component includes a first guide rail 810 and a first slider 820. The first guide rail 810 is connected to the side of the substrate 100 facing the fixing block 720 and extends along the width direction of the substrate 100. The first slider 820 is connected to the side of the fixing block 720 facing the substrate 100, and the first slider 820 slides in engagement with the first guide rail 810. There are two first guide rails 810, which are parallel and spaced apart. Each fixing block 720 is connected to two first sliders 820, allowing each fixing block 720 to connect to both first guide rails 810. Specifically, one first slider 820 connected to the fixing block 720 engages with one first guide rail 810, and the other first slider 820 connected to the fixing block 720 engages with the other first guide rail 810, thereby improving the stability of the movement of the fixing block 720. The two fixing blocks 720 share a set of first guide rails 810 to prevent deviation in the movement direction of the two fixing blocks 720.

[0058] In one possible implementation, a second guide assembly is provided between the lifting nut plate 640 and the support plate 200. The second guide assembly includes a second guide rail 910 and a second slider. The second guide rail 910 is connected to the side of the support plate 200 facing the lifting nut plate 640, and its extension direction is parallel to the extension direction of the lead screw 400's axis. The second slider corresponds one-to-one with the second guide rail 910 and is connected to the vertical portion of the lifting nut plate 640 facing the support plate 200. The second slider and the second guide rail 910 are slidably engaged to guide the nut 500 to move in the height direction and restrict the rotation of the nut 500 around its own axis.

[0059] Based on the above, this application also provides a bag opening machine, including the folding knife device of all the above embodiments. The bag opening machine also has all the beneficial effects of the folding knife device. The remaining structure of the bag opening machine can be referred to the prior art, and will not be described in detail here.

[0060] It should be noted that in this specification, relational terms such as first and second are used only to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.

[0061] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0062] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of this utility model.

Claims

1. A folding knife device, characterized in that, The device includes a base plate (100), a support plate (200) connected to the base plate (100), a power source (300) connected to the support plate (200), a lead screw (400) connected to the output end of the power source (300) and extending in the height direction, a nut (500) sleeved on the lead screw (400), two sets of folding knife assemblies connected to the nut (500) through a transmission assembly, and a first guide assembly. The two sets of folding knife assemblies are spaced apart in the width direction of the base plate (100). The first guide assembly is used to guide the two sets of folding knife assemblies to slide in the width direction. The output end of the power source (300) is used to drive the two sets of folding knife assemblies to move closer or further away in the width direction.

2. The folding knife device according to claim 1, characterized in that, The transmission assembly includes: The first fixing rod (610) is connected to the nut (500) through a connecting assembly, and both ends of the first fixing rod (610) are provided with connecting parts; Two fixing bases (620) correspond one-to-one with the folding knife assembly, and the two fixing bases (620) are respectively connected to the two folding knife assemblies; Two first connecting rods (630) correspond one-to-one with the fixed seat (620) and the connecting part. One end of the first connecting rod (630) is hinged to the connecting part, and the other end of the first connecting rod (630) is hinged to the fixed seat (620).

3. The folding knife device according to claim 2, characterized in that, The connection component includes: The lifting nut plate (640) is fixedly connected to the nut (500); A fixing plate (650) is fixedly connected to the lifting nut plate (640). The fixing plate (650) is provided with a first connecting hole and a second connecting hole (651) communicating with the first connecting hole. The first connecting hole is used for the first fixing rod (610) to pass through. A fastener is connected to the second connecting hole (651), and one end of the fastener facing the first fixing rod (610) can be screwed into the first connecting hole to fix the first fixing rod (610).

4. The folding knife device according to claim 2, characterized in that, Each of the folding knife components includes: The connecting plate (710) is fixedly connected to the fixed base (620); A fixing block (720) is fixedly connected to the connecting plate (710), and the fixing block (720) is located below the base plate (100); The folding knife (730) is connected to the bottom of the connecting plate (710).

5. The folding knife device according to claim 4, characterized in that, The first guiding component includes: A first guide rail (810) is connected to the side of the substrate (100) facing the fixing block (720), and the first guide rail (810) extends along the width direction; The first slider (820) is connected to the side of the fixed block (720) facing the substrate (100), and the first slider (820) is slidably engaged with the first guide rail (810).

6. The folding knife device according to claim 5, characterized in that, There are two first guide rails (810), which are parallel and spaced apart. Each fixing block (720) is connected to two first sliders (820) so that each fixing block (720) is connected to both first guide rails (810).

7. The folding knife device according to claim 3, characterized in that, A second guide assembly is provided between the lifting nut plate (640) and the support plate (200), the second guide assembly comprising: The second guide rail (910) is connected to the side of the support plate (200) facing the lifting nut plate (640), and the extension direction of the second guide rail (910) is parallel to the extension direction of the axis of the lead screw (400). The second slider corresponds one-to-one with the second guide rail (910). The second slider is connected to the side of the lifting nut plate (640) facing the support plate (200). The second slider is in sliding cooperation with the second guide rail (910).

8. The folding knife device according to claim 4, characterized in that, The connecting plate (710) is provided with a first mounting hole (711), and the folding knife (730) is provided with a second mounting hole (731) coaxially arranged with the first mounting hole (711). The connector (740) passes through the first mounting hole (711) and is connected to the second mounting hole (731) so that the connecting plate (710) and the folding knife (730) are fixedly connected.

9. The folding knife device according to any one of claims 1-8, characterized in that, It also includes a power source mounting plate (1000) connected to the top of the support plate (200), the power source mounting plate (1000) being used to position the power source (300) above the base plate (100).

10. A bag-opening machine, characterized in that, Includes the folding knife device as described in any one of claims 1-9.

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