Pre-folding mechanism for oppositely-buckled shoulder tabs and automatic shoulder tab folding device

By designing a pre-folding mechanism of the opposite shoulder tab including a folding work module and a pre-folding switching module, the problem of lack of a folding mechanism in the prior art that both pre-folding and full folding functions is solved, and efficient folding and cost reduction of the opposite shoulder tab is achieved.

CN222666243UActive Publication Date: 2025-03-25JACK SEWING MASCH CO LTD
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Patent Information

Application Number
CN202421483497.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-03-25
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

In the existing automatic folding devices of shoulder loops, the lack of folding mechanisms that can have both pre-folding and full folding functions has resulted in the need to configure two independent mechanisms, which increases cost and complexity.

Method used

A pre-folding mechanism with buckle shoulder tabs is designed, including a folding work module and a pre-folding switching module. The folding work module consists of a folding drive source, a folding transmission unit and a movable folding push plate. The pre-folding switching module consists of a pre-folding limit driving source and a movable pre-folding limiting piece. Through the coordinated work of these components, flexible switching between pre-folding and fully folding is achieved.

Benefits of technology

The pre-folding mechanism of the buckle shoulder tabs has both pre-folding and full folding functions, which can flexibly switch between pre-folding and fully folding states, reducing costs and simplifying the equipment structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a pre-folding mechanism for oppositely-buckled shoulder tabs and an automatic shoulder tab folding device. The pre-folding mechanism comprises a folding operation module and a pre-folding switching module which are both used for being installed on a folding base plate. The folding operation module comprises a folding driving source, a folding transmission unit and a folding push plate capable of moving in the folding-in direction of the buckling edge, and the folding driving source is in transmission connection with the folding push plate through the folding transmission unit. The pre-folding switching module comprises a pre-folding limiting driving source and a movable pre-folding limiting piece, and the pre-folding limiting driving source is in transmission connection with the pre-folding limiting piece and drives the pre-folding limiting piece to move to the moving path of the transmission component in the folding transmission unit or move away from the moving path of the transmission component in the folding transmission unit. The pre-folding mechanism for the oppositely-buckled shoulder tabs has the pre-folding function and the complete folding function at the same time, and the pre-folding limiting piece is driven to move through the folding driving source, so that the pre-folding mechanism is flexibly switched between the pre-folding state and the complete folding state.
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Description

Technical Field

[0001] The utility model relates to the technical field of cloth piece folding, in particular to a pre-folding mechanism for buckled shoulder loops and a shoulder loop automatic folding device equipped with the pre-folding mechanism for buckled shoulder loops. Background Art

[0002] In the field of cloth sewing, when sewing windbreakers, military uniforms and other clothing, pocket covers, sleeve loops, shoulder loops and the like are essential accessories. Pocket covers, sleeve loops, shoulder loops and other accessories are made by folding and sewing two pieces of cloth, that is, the two pieces of cloth need to be folded and shaped first, and then the two folded and shaped pieces of cloth are sewn together. For shoulder loops with higher quality requirements, the single piece of cloth needs to be buckled after folding and shaping, and then ironed and shaped again after buckling, and then sewn. Therefore, the upper and lower pieces of cloth that constitute the shoulder loop have a buckled edge. When folding the upper and lower fabric pieces, first pre-fold (i.e., not completely fold) the buckled edges of the upper and lower fabric pieces, so that the buckled edges are slightly folded and form a buckled angle of about 30° with the fabric piece where they are located; then, buckle the buckled edges of the upper fabric piece and the buckled edges of the lower fabric piece together, so that the two buckled edges partially overlap on the projection surface; finally, completely fold the buckled edges of the upper and lower fabric pieces one by one to complete the buckled pieces. However, the folding mechanism configured in the existing shoulder strap automatic folding device does not have both the pre-folding function and the complete folding function, resulting in the need to configure both the pre-folding mechanism and the complete folding mechanism, which increases the cost. Utility Model Content

[0003] In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the utility model is to provide a pre-folding mechanism for buckled shoulder straps, which has both pre-folding function and full folding function, and can flexibly switch between the pre-folded state and the full folded state.

[0004] To achieve the above-mentioned purpose, the utility model provides a pre-folding mechanism for buckled shoulder loops, which is used for folding the buckled edges of the cloth pieces in the shoulder loops, the pre-folding mechanism includes a folding operation module and a pre-folding switching module, both of which are used to be installed on a folding base plate; the folding operation module includes a folding drive source, a folding transmission unit, and a folding push plate movable along the folding direction of the buckled edges, the folding drive source is connected to the folding push plate through the folding transmission unit; the pre-folding switching module includes a pre-folding limit drive source and a movable pre-folding limit member, the pre-folding limit drive source is connected to the pre-folding limit member, driving the pre-folding limit member to move to the moving path of the transmission component in the folding transmission unit, or to move away from the moving path of the transmission component in the folding transmission unit.

[0005] Furthermore, the folding operation module also includes a folding operation fixing plate, and the folding operation fixing plate is used to be fixed on the folding base plate, and the folding driving source is a folding driving cylinder installed on the folding operation fixing plate.

[0006] Furthermore, the folding operation module also includes a pre-folding lifting drive source, which is installed on the folding operation fixed plate. The pre-folding lifting drive source is transmission-connected with the folding drive source to drive the folding drive source to rise and fall.

[0007] Furthermore, the folding operation module also includes a cylinder guide support plate fixed to the folding operation fixed plate, the pre-folding lifting drive source is a pre-folding lifting cylinder, the cylinder piston rod of the pre-folding lifting cylinder is fixedly connected to the cylinder guide support plate, the cylinder body of the pre-folding lifting cylinder can be movably installed up and down on the cylinder guide support plate, and the folding drive source is fixed to the cylinder body of the pre-folding lifting cylinder.

[0008] Furthermore, the folding transmission unit includes a folding connecting plate, a folding flap moving plate, a folding flap locking plate, and a push plate mounting plate. The folding connecting plate is connected to the output end of the folding driving source, and the folding flap moving plate is movably clamped and installed between the folding connecting plate and the folding flap locking plate along the moving direction of the folding push plate. The folding connecting plate and the folding flap locking plate are connected by screw locking, and the push plate mounting plate is fixed to the folding flap moving plate, and the folding push plate is fixed to the push plate mounting plate.

[0009] Furthermore, the folding transmission unit also includes a first pre-folding limit roller installed on the push plate mounting plate, the pre-folding limit driving source is a pre-folding limit cylinder fixed to the folding substrate, the pre-folding switching module also includes a first pre-folding guide block movably installed on the folding substrate, the first pre-folding guide block is fixedly connected to the cylinder piston rod of the pre-folding limit cylinder, the pre-folding limit member is a pre-folding blocking block fixed to the first pre-folding guide block, and the pre-folding blocking block can move to the moving path of the first pre-folding limit roller and abut against the first pre-folding limit roller, or move away from the moving path of the first pre-folding limit roller.

[0010] Furthermore, the folding transmission unit also includes a pre-folding adjustment fixed block fixed to the push plate mounting plate, and a pre-folding adjustment screw threadedly connected to the pre-folding adjustment fixed block, the pre-folding adjustment screw extends straight along the moving direction of the folding push plate, and the first pre-folding limit roller is installed at the end of the pre-folding adjustment screw.

[0011] Furthermore, the pre-folding switching module also includes a switching fixing plate for fixing on the folding base plate, a switching support vertical plate fixed to the switching fixing plate, and a second pre-folding guide block movably mounted on the switching fixing plate, the pre-folding limit driving source is a pre-folding limit cylinder, the cylinder piston rod of the pre-folding limit cylinder is fixed to the switching support vertical plate, the cylinder body of the pre-folding limit cylinder is fixed to the second pre-folding guide block, the pre-folding limit member is a second pre-folding limit roller installed on the second pre-folding guide block, and the second pre-folding limit roller can move to the moving path of the folding connecting plate and abut against the folding connecting plate, or move away from the moving path of the folding connecting plate.

[0012] Furthermore, the pre-folding switching module also includes a pre-folding adjustment screw threadedly connected to the second pre-folding guide block, the pre-folding adjustment screw extends straight along the moving direction of the folding push plate, and the second pre-folding limiting roller is installed at the end of the pre-folding adjustment screw.

[0013] The utility model also provides a shoulder loop automatic folding device, in which the shoulder loop automatic folding device is equipped with the above-mentioned pre-folding mechanism for buckling shoulder loops.

[0014] As described above, the pre-folding mechanism for buckled shoulder straps and the shoulder strap automatic folding device of the utility model have the following beneficial effects:

[0015] The present application limits the movement of the folding push plate through the pre-folding switching module: when the movement of the folding push plate is short, the folding push plate pre-folds the buckled edge of the cloth piece; when the movement of the folding push plate is long, the folding push plate completely folds the buckled edge of the cloth piece. Therefore, the pre-folding mechanism of the buckled shoulder loop involved in the present application has both pre-folding function and complete folding function, and the pre-folding limiter is driven to move by the folding driving source, so that the pre-folding mechanism can be flexibly switched between the pre-folding state and the complete folding state. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the first embodiment of the pre-folding mechanism for buckled shoulder loops in the present application.

[0017] Figure 2 It is a structural schematic diagram of the second embodiment of the pre-folding mechanism for buckled shoulder loops in the present application.

[0018] Component number description

[0019] 10 Folding drive source

[0020] 20 Folding push plate

[0021] 30 Pre-folding limit drive source

[0022] 40 Pre-folding stopper

[0023] 41 Pre-folded stopper

[0024] 42 Second pre-folding limit roller

[0025] 50 Folding work fixing plate

[0026] 60 Pre-folding lifting drive source

[0027] 70 Cylinder guide support plate

[0028] 81 Folding connecting plate

[0029] 82 Folding plate moving plate

[0030] 83 Folding locking plate

[0031] 84 Push plate mounting plate

[0032] 85 First pre-folding limit roller

[0033] 86 Pre-folding adjustment fixing block

[0034] 87 Pre-bend adjustment screw

[0035] 90 First pre-folding guide block

[0036] 110 Switching fixed plate

[0037] 120 Switch support vertical plate

[0038] 130 Second pre-folding guide block

[0039] 140 Linear guide assembly DETAILED DESCRIPTION

[0040] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0041] It should be noted that the structures, proportions, sizes, etc. drawn in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and so on quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantial change of the technical content.

[0042] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or may be indirectly connected to the other element through an intermediate element.

[0043] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0044] The utility model provides a pre-folding mechanism for buckled shoulder loops, and an automatic shoulder loop folding device equipped with the pre-folding mechanism for buckled shoulder loops. The automatic shoulder loop folding device is used to fold the upper and lower fabric pieces of the shoulder loops. Usually, the upper and lower fabric pieces of the shoulder loops both have three non-buckled edges and one buckled edge, the buckled edge of the upper fabric piece is the left oblique edge constituting the folding angle thereof, and the buckled edge of the lower fabric piece is the right oblique edge constituting the folding angle thereof. The automatic shoulder loop folding device comprises an upper folding mechanism for automatically folding the upper fabric piece, and a lower folding mechanism for folding the lower fabric piece, both the upper folding mechanism and the lower folding mechanism have a folding substrate, and the pre-folding mechanism for buckled shoulder loops is installed on the folding substrates of the upper folding mechanism and the lower folding mechanism.

[0045] Two preferred embodiments of the pre-folding mechanism for buckled shoulder loops are provided below.

[0046] Pre-folding mechanism for buckled shoulder straps Example 1

[0047] The first embodiment of the pre-folding mechanism of the buckled shoulder loop is used to fold the left oblique edge of the upper cloth piece in the shoulder loop. Figure 1As shown, the first embodiment of the pre-folding mechanism for buckled shoulder straps includes a folding operation module and a pre-folding switching module, and both the folding operation module and the pre-folding switching module are installed on the folding substrate of the upper folding mechanism. The folding operation module includes a folding driving source 10, a folding transmission unit, and a folding push plate 20 that is movable along the folding direction of the left oblique edge of the upper cloth piece. The folding driving source 10 is connected to the folding push plate 20 through the folding transmission unit to drive the folding push plate 20 to move. The pre-folding switching module includes a pre-folding limit driving source 30 and a movable pre-folding limit member 40. The pre-folding limit driving source 30 is connected to the pre-folding limit member 40 to drive the pre-folding limit member 40 to move to the moving path of the transmission component in the folding transmission unit, or to move away from the moving path of the transmission component in the folding transmission unit.

[0048] When the pre-folding limit driving source 30 drives the pre-folding limiter 40 to move to the moving path of the transmission component in the folding transmission unit, the pre-folding mechanism embodiment 1 of the buckle shoulder loop is in the pre-folding state, and when the folding driving source 10 drives the folding push plate 20 to move toward the left oblique side of the upper fabric piece through the folding transmission unit, the pre-folding limiter 40 abuts against the transmission component of the folding transmission unit, thereby playing a blocking role, making the moving stroke of the folding push plate 20 shorter, and slightly folding the left oblique side of the upper fabric piece, that is, pre-folding. In this embodiment, the left oblique side of the upper fabric piece forms a buckle side angle of about 30° with the upper fabric piece after being pre-folded. When the pre-folding limit driving source 30 drives the pre-folding limiter 40 to move away from the moving path of the transmission component in the folding transmission unit, the pre-folding limiter 40 is no longer blocked, and the pre-folding mechanism embodiment 1 for buckled shoulder loops is in a fully folded state. When the folding driving source 10 drives the folding push plate 20 to move toward the left oblique side of the upper fabric piece through the folding transmission unit, the moving stroke of the folding push plate 20 is relatively long, and the left oblique side of the upper fabric piece is fully folded. Therefore, the pre-folding mechanism embodiment 1 for buckled shoulder loops has both pre-folding function and fully folding function. By driving the pre-folding limiter 40 to move by the folding driving source 10, the pre-folding mechanism can be flexibly switched between the pre-folding state and the fully folding state.

[0049] Furthermore, if Figure 1 As shown, the folding operation module further includes a folding operation fixing plate 50, which is used to be fixed on the folding base plate of the upper folding mechanism, thereby realizing the installation and fixing of the folding operation module; the folding driving source 10 is a folding driving cylinder installed on the folding operation fixing plate 50. In this embodiment, the cylinder piston rod of the folding driving cylinder is extended and retracted along the axis deflected to the right by about 37 degrees, and the folding push plate 20 is driven by the folding transmission unit to move straightly along the axis deflected to the right by about 37 degrees, thereby realizing the pre-folding and complete folding of the left oblique edge of the upper cloth piece.

[0050] Furthermore, if Figure 1As shown, the folding transmission unit includes a folding connection plate 81, a flap moving plate 82, a flap locking plate 83, and a push plate mounting plate 84. The folding connection plate 81 is fixed to the end of the cylinder piston rod of the folding driving cylinder. The flap moving plate 82 is movably clamped and mounted between the folding connection plate 81 and the flap locking plate 83 along the moving direction of the folding push plate 20. The folding connection plate 81 and the flap locking plate 83 are locked and connected by screws. The push plate mounting plate 84 is fixed to the bottom of the flap moving plate 82, and the folding push plate 20 is fixed to the lower end of the push plate mounting plate 84. When the folding connection plate 81 and the flap locking plate 83 are in a locked state, the flap moving plate 82 is clamped and fixed between the folding connection plate 81 and the flap locking plate 83; when the cylinder piston rod of the folding driving cylinder is extended and retracted, the folding connection plate 81, the flap moving plate 82, the flap locking plate 83, the push plate mounting plate 84 and the folding push plate 20 are driven to move together. When the locking state of the folding connecting plate 81 and the folding piece locking plate 83 is released by the screws, the folding piece moving plate 82 moves relative to the folding connecting plate 81, thereby adjusting the initial position of the folding push plate 20; after the adjustment is completed, tighten the screws to lock the folding connecting plate 81 and the folding piece locking plate 83 again.

[0051] Furthermore, if Figure 1 As shown, the folding transmission unit also includes a first pre-folding limit roller 85 installed on the push plate mounting plate 84, the pre-folding limit driving source 30 is a pre-folding limit cylinder fixed at the bottom of the folding base plate, and the pre-folding switching module also includes a first pre-folding guide block 90 movably installed at the bottom of the folding base plate through a linear guide assembly 140, the first pre-folding guide block 90 is fixedly connected to the cylinder piston rod of the pre-folding limit cylinder, and the pre-folding limit member 40 is a pre-folding stop block 41 fixed at the bottom of the first pre-folding guide block 90. ​​When the pre-folding limit cylinder drives the pre-folding stop block 41 to move to the moving path of the first pre-folding limit roller 85 through the first pre-folding guide block 90, when the folding drive cylinder drives the folding push plate 20 to translate through the folding transmission unit, the first pre-folding limit roller 85 will abut against the pre-folding stop block 41 to limit the moving distance of the folding push plate 20, thereby realizing pre-folding. When the pre-folding limit cylinder drives the pre-folding blocking block 41 to move away from the moving path of the first pre-folding limit roller 85 through the first pre-folding guide block 90, and the folding drive cylinder drives the folding push plate 20 to translate through the folding transmission unit, the first pre-folding limit roller 85 will not abut against the pre-folding blocking block 41, and the moving distance of the folding push plate 20 will not be restricted, thereby achieving complete folding.

[0052] Preferably, if Figure 1As shown, the folding transmission unit also includes a pre-folding adjustment fixed block 86 fixed to the push plate mounting plate 84, and a pre-folding adjustment screw 87 threadedly connected to the pre-folding adjustment fixed block 86, the pre-folding adjustment screw 87 extends straight along the moving direction of the folding push plate 20, and the first pre-folding limit roller 85 is installed at the end of the pre-folding adjustment screw 87 for adjusting the position of the first pre-folding limit roller 85.

[0053] Embodiment 2 of the pre-folding mechanism for buckled shoulder straps

[0054] The second embodiment of the pre-folding mechanism of the buckled shoulder strap is used to fold the right oblique edge of the lower cloth piece in the shoulder strap. Figure 2 As shown, the second embodiment of the pre-folding mechanism for buckled shoulder straps includes a folding operation module and a pre-folding switching module, and both the folding operation module and the pre-folding switching module are installed on the folding substrate of the lower folding mechanism. The folding operation module includes a folding driving source 10, a folding transmission unit, and a folding push plate 20 that is movable along the folding direction of the right oblique edge of the lower cloth piece. The folding driving source 10 is connected to the folding push plate 20 through the folding transmission unit to drive the folding push plate 20 to move. The pre-folding switching module includes a pre-folding limit driving source 30 and a movable pre-folding limit member 40. The pre-folding limit driving source 30 is connected to the pre-folding limit member 40 to drive the pre-folding limit member 40 to move to the moving path of the transmission component in the folding transmission unit, or to move away from the moving path of the transmission component in the folding transmission unit.

[0055] When the pre-folding limit driving source 30 drives the pre-folding limiter 40 to move to the moving path of the transmission component in the folding transmission unit, the second embodiment of the pre-folding mechanism of the buckle shoulder loop is in the pre-folding state, and when the folding driving source 10 drives the folding push plate 20 to move toward the right oblique side of the lower fabric piece through the folding transmission unit, the pre-folding limiter 40 abuts against the transmission component of the folding transmission unit, thereby playing a blocking role, making the moving stroke of the folding push plate 20 shorter, and slightly folding the right oblique side of the lower fabric piece, that is, pre-folding. In this embodiment, after the right oblique side of the lower fabric piece is pre-folded, it forms a buckle side angle of about 30° with the lower fabric piece. When the pre-folding limit driving source 30 drives the pre-folding limiter 40 to move away from the moving path of the transmission component in the folding transmission unit, the pre-folding limiter 40 is no longer blocked, and the second embodiment of the pre-folding mechanism for buckled shoulder loops is in a fully folded state. When the folding driving source 10 drives the folding push plate 20 to move toward the right oblique side of the lower fabric piece through the folding transmission unit, the moving stroke of the folding push plate 20 is relatively long, and the right oblique side of the lower fabric piece is fully folded. Therefore, the second embodiment of the pre-folding mechanism for buckled shoulder loops has both pre-folding function and fully folding function. By driving the movement of the pre-folding limiter 40 by the folding driving source 10, the pre-folding mechanism can be flexibly switched between the pre-folding state and the fully folding state.

[0056] Furthermore, if Figure 2As shown, the folding operation module also includes a folding operation fixing plate 50, a pre-folding lifting drive source 60, and a cylinder guide support plate 70. The folding operation fixing plate 50 is used to be fixed on the folding base plate of the lower folding mechanism, thereby realizing the installation and fixation of the folding operation module; the cylinder guide support plate 70 is an L-shaped component, and the horizontal part of the cylinder guide support plate 70 is fixed on the top surface of the folding operation fixing plate 50; the pre-folding lifting drive source 60 is a pre-folding lifting cylinder, and the lower end of the cylinder piston rod of the pre-folding lifting cylinder is fixedly connected to the horizontal part of the cylinder guide support plate 70, and the cylinder body of the pre-folding lifting cylinder is movably installed on the vertical part of the cylinder guide support plate 70 through a linear guide rail assembly 140; the folding drive source 10 is a folding drive cylinder, and the cylinder body of the folding drive cylinder is fixedly connected to the cylinder body of the pre-folding lifting cylinder. The pre-folding lifting cylinder can drive the folding driving cylinder to move up or down, so that the folding push plate 20 is in a high position or a low position, thereby realizing the first pre-folding before the left oblique edge of the upper cloth piece is pre-fastened with the right oblique edge of the lower cloth piece, and the second pre-folding after the left oblique edge of the upper cloth piece is pre-fastened with the right oblique edge of the lower cloth piece. In this embodiment, the cylinder piston rod of the folding driving cylinder is extended and retracted along an axis deflected to the left by about 41 degrees, and the folding push plate 20 is driven by the folding transmission unit to move straightly along an axis deflected to the left by about 41 degrees, so as to realize the pre-folding and complete folding of the right oblique edge of the lower cloth piece.

[0057] Furthermore, if Figure 2 As shown, the folding transmission unit includes a folding connection plate 81, a flap moving plate 82, a flap locking plate 83, and a push plate mounting plate 84. The folding connection plate 81 is fixed to the end of the cylinder piston rod of the folding driving cylinder. The flap moving plate 82 is movably clamped and mounted between the folding connection plate 81 and the flap locking plate 83 along the moving direction of the folding push plate 20. The folding connection plate 81 and the flap locking plate 83 are locked and connected by screws. The push plate mounting plate 84 is fixed to the bottom of the flap moving plate 82, and the folding push plate 20 is fixed to the lower end of the push plate mounting plate 84. When the folding connection plate 81 and the flap locking plate 83 are in a locked state, the flap moving plate 82 is clamped and fixed between the folding connection plate 81 and the flap locking plate 83; when the cylinder piston rod of the folding driving cylinder is extended and retracted, the folding connection plate 81, the flap moving plate 82, the flap locking plate 83, the push plate mounting plate 84 and the folding push plate 20 are driven to move together. When the locking state of the folding connecting plate 81 and the folding piece locking plate 83 is released by the screws, the folding piece moving plate 82 moves relative to the folding connecting plate 81, thereby adjusting the initial position of the folding push plate 20; after the adjustment is completed, tighten the screws to lock the folding connecting plate 81 and the folding piece locking plate 83 again.

[0058] Furthermore, if Figure 2As shown, the pre-folding switching module also includes a switching fixed plate 110, a switching support vertical plate 120, and a second pre-folding guide block 130. The switching fixed plate 110 is used to be fixed on the folding base plate of the lower folding mechanism, thereby realizing the installation and fixation of the pre-folding switching module; the switching support vertical plate 120 is fixed on the top of the switching fixed plate 110; the second pre-folding guide block 130 is movably installed on the top of the switching fixed plate 110 through a linear guide rail assembly 140; the pre-folding limit driving source 30 is a pre-folding limit cylinder, the cylinder piston rod of the pre-folding limit cylinder is fixed on the switching support vertical plate 120, and the cylinder body of the pre-folding limit cylinder is fixed on the top of the second pre-folding guide block 130; the pre-folding limit member 40 is a second pre-folding limit roller 42 installed on the second pre-folding guide block 130. When the pre-folding limit cylinder drives the second pre-folding limit roller 42 to move to the moving path of the folding connecting plate 81 through the second pre-folding guide block 130, when the folding drive cylinder drives the folding push plate 20 to move horizontally through the folding transmission unit, the folding connecting plate 81 can abut against the second pre-folding limit roller 42, limit the moving distance of the folding push plate 20, and achieve pre-folding. When the pre-folding limit cylinder drives the second pre-folding limit roller 42 away from the moving path of the folding connecting plate 81 through the second pre-folding guide block 130, when the folding drive cylinder drives the folding push plate 20 to move horizontally through the folding transmission unit, the folding connecting plate 81 will not abut against the second pre-folding limit roller 42, and the moving distance of the folding push plate 20 is not limited, and complete folding is achieved.

[0059] Preferably, if Figure 2 As shown, the pre-folding switching module also includes a pre-folding adjustment screw 87 threadedly connected in the second pre-folding guide block 130, the pre-folding adjustment screw 87 extends straight along the moving direction of the folding push plate 20, and the second pre-folding limit roller 42 is installed at the end of the pre-folding adjustment screw 87 for adjusting the position of the second pre-folding limit roller 42.

[0060] Furthermore, in the above two embodiments of the pre-folding mechanism for buckled shoulder loops, waist-shaped holes are provided on the folding operation fixing plate 50, and the waist-shaped holes extend straightly along the moving direction of the folding push plate 20 to adjust the installation position of the pre-folding mechanism for buckled shoulder loops on the folding base plate.

[0061] In summary, the utility model effectively overcomes various shortcomings of the prior art and has high industrial utilization value.

[0062] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A pre-folding mechanism for buckled shoulder loops, used for folding buckled edges of fabric pieces in the shoulder loops, characterized in that: The pre-folding mechanism comprises a folding operation module and a pre-folding switching module, both of which are used to be installed on a folding base plate; the folding operation module comprises a folding driving source (10), a folding transmission unit, and a folding push plate (20) movable along the folding direction of the buckled edge, the folding driving source (10) is connected to the folding push plate (20) through the folding transmission unit; the pre-folding switching module comprises a pre-folding limit driving source (30) and a movable pre-folding limit member (40), the pre-folding limit driving source (30) is connected to the pre-folding limit member (40) through the folding transmission unit, and drives the pre-folding limit member (40) to move to the moving path of the transmission component in the folding transmission unit, or to move away from the moving path of the transmission component in the folding transmission unit.

2. The pre-folding mechanism for buckled shoulder straps according to claim 1, characterized in that: The folding operation module further comprises a folding operation fixing plate (50), wherein the folding operation fixing plate (50) is used to be fixed on the folding base plate, and the folding driving source (10) is a folding driving cylinder installed on the folding operation fixing plate (50).

3. The pre-folding mechanism for buckled shoulder straps according to claim 1 or 2, characterized in that: The folding operation module further comprises a pre-folding lifting drive source (60), wherein the pre-folding lifting drive source (60) is mounted on the folding operation fixing plate (50), and the pre-folding lifting drive source (60) is transmission-connected to the folding drive source (10) to drive the folding drive source (10) to rise and fall.

4. The pre-folding mechanism for buckled shoulder straps according to claim 3, characterized in that: The folding operation module also includes a cylinder guide support plate (70) fixed to the folding operation fixing plate (50); the pre-folding lifting drive source (60) is a pre-folding lifting cylinder; the cylinder piston rod of the pre-folding lifting cylinder is fixedly connected to the cylinder guide support plate (70); the cylinder body of the pre-folding lifting cylinder is movably mounted on the cylinder guide support plate (70); and the folding drive source (10) is fixed to the cylinder body of the pre-folding lifting cylinder.

5. The pre-folding mechanism for buckled shoulder straps according to claim 1 or 2, characterized in that: The folding transmission unit comprises a folding connecting plate (81), a folding plate moving plate (82), a folding plate locking plate (83), and a push plate mounting plate (84); the folding connecting plate (81) is connected to the output end of the folding driving source (10); the folding plate moving plate (82) is movably clamped and mounted between the folding connecting plate (81) and the folding plate locking plate (83) along the moving direction of the folding push plate (20); the folding connecting plate (81) and the folding plate locking plate (83) are connected by screw locking; the push plate mounting plate (84) is fixed to the folding plate moving plate (82); and the folding push plate (20) is fixed to the push plate mounting plate (84).

6. The pre-folding mechanism for buckled shoulder straps according to claim 5, characterized in that: The folding transmission unit further comprises a first pre-folding limit roller (85) mounted on the push plate mounting plate (84); the pre-folding limit driving source (30) is a pre-folding limit cylinder fixed to the folding substrate; the pre-folding switching module further comprises a first pre-folding guide block (90) movably mounted on the folding substrate; the first pre-folding guide block (90) is fixedly connected to the cylinder piston rod of the pre-folding limit cylinder; the pre-folding limit member (40) is a pre-folding stop block (41) fixed to the first pre-folding guide block (90); the pre-folding stop block (41) can move to the moving path of the first pre-folding limit roller (85) and abut against the first pre-folding limit roller (85), or move away from the moving path of the first pre-folding limit roller (85).

7. The pre-folding mechanism for buckled shoulder straps according to claim 6, characterized in that: The folding transmission unit further comprises a pre-folding adjustment fixing block (86) fixed to the push plate mounting plate (84), and a pre-folding adjustment screw (87) threadedly connected to the pre-folding adjustment fixing block (86), wherein the pre-folding adjustment screw (87) extends straight along the moving direction of the folding push plate (20), and the first pre-folding limiting roller (85) is mounted at the end of the pre-folding adjustment screw (87).

8. The pre-folding mechanism for buckled shoulder straps according to claim 5, characterized in that: The pre-folding switching module also includes a switching fixing plate (110) for fixing on the folding substrate, a switching support vertical plate (120) fixed to the switching fixing plate (110), and a second pre-folding guide block (130) movably mounted on the switching fixing plate (110); the pre-folding limit driving source (30) is a pre-folding limit cylinder; the cylinder piston rod of the pre-folding limit cylinder is fixed to the switching support vertical plate (120); the cylinder body of the pre-folding limit cylinder is fixed to the second pre-folding guide block (130); the pre-folding limit member (40) is a second pre-folding limit roller (42) mounted on the second pre-folding guide block (130); the second pre-folding limit roller (42) can move to the moving path of the folding connecting plate (81) and abut against the folding connecting plate (81), or move away from the moving path of the folding connecting plate (81).

9. The pre-folding mechanism for buckled shoulder straps according to claim 8, characterized in that: The pre-folding switching module also includes a pre-folding adjustment screw (87) threadedly connected to the second pre-folding guide block (130), the pre-folding adjustment screw (87) extending straight along the moving direction of the folding push plate (20), and the second pre-folding limiting roller (42) is installed at the end of the pre-folding adjustment screw (87).

10. A shoulder strap automatic folding device, characterized in that: The automatic shoulder strap folding device is equipped with a pre-folding mechanism for buckling shoulder straps as described in any one of claims 1-9.