Edge folding device of pocket patching machine and pocket patching machine
By using a split, deformable lower template and clearance groove design, the automation problem of patching machines when handling pockets that are wider at the bottom and narrower at the top, as well as reverse folding corners, is solved, achieving efficient automatic sewing and reducing labor costs.
Patent Information
- Application Number
- CN202520513896.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Existing patching machines struggle to automatically fold edges when handling pockets that are wider at the bottom than at the top and when dealing with folded corners, resulting in low efficiency and high costs, usually requiring manual sewing.
It adopts a split, deformable lower template structure, combined with an avoidance groove design, to realize the movement path of the reverse-angle folded fabric piece. The template width is controlled by a drive mechanism to adapt to different process requirements.
It improves the production efficiency of the bag-sealing machine, and can automatically complete the sewing of bags that are wider at the bottom and narrower at the top, as well as bags with reversed corners, thus reducing labor costs.
Smart Images
Figure CN223951368U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the sewing equipment technical field, especially relates to a bag attaching machine's edge folding device and bag attaching machine. BACKGROUND
[0002] The bag attaching machine is mainly applied to the sewing of the pocket, and the flat sewing and the loop knot can be completed at one time, and is suitable for the sewing of various back pockets of jeans, shirt pockets and other irregular parts in the garment processing.
[0003] In the working process of the bag attaching machine, the bag-shaped cloth is laid on the lower die plate first, then the upper die mechanism in the edge folding mechanism cooperates with the lower die plate, the electromagnetic iron in the upper die mechanism can attract the lower die plate to clamp the bag-shaped cloth, the folding knife in the edge folding mechanism is inserted into the lower part of the two sides of the bag-shaped cloth, and the edge folding action of the bag-shaped cloth is completed.
[0004] When the edge folding mechanism is reset, the lower die plate needs to be pulled out from the lower part of the bag-shaped cloth, when the lower part of the pocket is wider than the upper part, due to the small opening of the upper part, after the lower die plate is inserted and the edge folding action is completed, the lower die plate cannot be pulled out due to the obstruction of the edge folding part. In addition, with the improvement of the quality requirement of the garment, people do not want the edge folding to expose the pocket, and even the pocket with the lower part wider than the upper part also needs to be folded reversely. Therefore, in the prior art, for the bag attaching and sewing of the pocket with the lower part wider than the upper part and the reverse folding angle, the manual sewing mode is generally adopted, which reduces the efficiency and increases the labor cost. CONTENT OF THE UTILITY MODEL
[0005] The present application provides an edge folding device of a bag attaching machine, which can be applied to the bag-shaped cloth with the lower part wider than the upper part and the reverse folding angle requirement, and can further improve the production efficiency.
[0006] In an embodiment of the present application, an edge folding device of a bag attaching machine is disclosed, which comprises a lower die plate and a cloth folding piece cooperating with each other and acting on the bag-shaped cloth, the lower die plate adopts a split structure and comprises a plurality of unit plates moving relative to each other, the plurality of unit plates comprise a middle plate and a first side plate and a second side plate located on two opposite sides of the middle plate, wherein one side of the first side plate and the second side plate opposite to each other is respectively provided with a avoiding groove.
[0007] The cloth folding piece comprises a plurality of pieces and respectively acts on the corresponding position of the lower die plate, wherein two pieces are reverse folding angle cloth folding pieces corresponding to the position of the pocket corner, the reverse folding angle cloth folding piece has a movement path, the reverse folding angle cloth folding piece switches the relative position between the top side and the bottom side of the lower die plate in the movement path to cross the lower die plate, and the movement path of each reverse folding angle cloth folding piece corresponds to one avoiding groove.
[0008] The following also provides several optional modes, but not as an additional limitation of the above general scheme, just a further supplement or preferred, without technical or logical contradiction, each optional mode can be combined alone for the above general scheme, but also can be combined between multiple optional modes.
[0009] In one embodiment, the lower mold plate has opposite expanded and narrowed states:
[0010] In the expanded state, the rear side edges of each unit plate abut each other;
[0011] In the narrowed state, the middle plate moves along a first direction and is arranged out of position with the first and second side plates, and the first and second side plates move along a second direction to approach each other to surround the rear side of the middle plate, wherein the lower mold plate has opposite front and rear sides, the first direction extends along the front and rear directions, and the second direction is perpendicular to the first direction.
[0012] In one embodiment, along the first direction, the avoidance groove has a length L, and L≥10mm.
[0013] In one embodiment, along the second direction, the avoidance groove has a width W, and W is 5mm to 20mm.
[0014] In one embodiment, according to the pocket depth H1 corresponding to the bag-shaped cloth, along the first direction, the distance from the rear side of each side plate to the avoidance groove is the working length H2, and satisfies:
[0015] H2-H1=0mm to 10mm.
[0016] In one embodiment, the lower mold plate is further provided with a first driving mechanism, and the first driving mechanism comprises:
[0017] a base, the middle plate is slidingly fitted in the base along the first direction, and the first and second side plates are fitted in the base along the second direction;
[0018] a first cylinder mounted on the base, and the middle plate is connected to the piston rod of the first cylinder;
[0019] a connecting rod, there are two connecting rods, one end of each connecting rod is hinged to the piston rod of the first cylinder, and the other end is hinged to the corresponding side plate.
[0020] In one embodiment, the front sides of the first and second side plates are narrowed towards each other, and the avoidance groove is formed outside the narrowed part;
[0021] The narrowed portion extends further forward along the first direction to form a handle, and slides with the base through the handle. The length of the handle is equal to the length L of the clearance groove.
[0022] In one embodiment, the folding device further includes:
[0023] The movable seat moves up and down relative to the base;
[0024] The second drive mechanism is configured with multiple sets, each connected to a corresponding folded fabric piece for transmission. Specifically, the second drive mechanism configured for the anti-folded fabric piece includes:
[0025] The second cylinder is mounted on the movable seat;
[0026] The transmission frame is slidably mounted on the movable seat and connected to the piston rod of the second cylinder, and the reverse-angle folded cloth piece is fixed to the transmission frame.
[0027] In one embodiment, a cooperating guide component is provided between the transmission frame and the movable seat to limit the sliding direction of the reverse-angle folded fabric piece;
[0028] The rear side of the reverse-angle folded fabric piece is a working part that cooperates with the bag-shaped fabric. The front side of the reverse-angle folded fabric piece is bent upward to form a connecting part. The connecting part is fixed to the transmission frame in an adjustable height.
[0029] One embodiment of this application also discloses a bag-applying machine, including the folding device of the bag-applying machine described in any of the above technical solutions.
[0030] The technical solution disclosed in this application adopts a split, deformable lower template, which adapts to different stages of processing, making the movement stroke more reasonable and the narrowing range more adaptable; at the same time, the movement path of the reverse-folded fabric piece is released through the avoidance groove, realizing the reverse-folding process and improving adaptability. Attached Figure Description
[0031] 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.
[0032] Figure 1 This is a schematic diagram of the folding device structure of a bag-applying machine in one embodiment of this application;
[0033] Figure 2 for Figure 1 Schematic diagram of the lower template structure of the center folding device;
[0034] Figure 3 is Figure 1 the side view of the folding device in figure
[0035] Figure 4 is Figure 1 the bottom view of the folding device in figure
[0036] Figure 5 is Figure 4 the enlarged view of the part shown in figure
[0037] Figure 6 is the schematic diagram of the bag-shaped cloth after folding in an embodiment of the present application
[0038] Figure 7 is the schematic diagram of the bag-pasting machine in an embodiment of the present application
[0039] Figure 8 is Figure 7 the bottom view of the bag-pasting machine in figure
[0040] The component reference numbers are as follows:
[0041] 100, lower die plate; 101, first side plate; 102, second side plate; 103, middle plate; 104, avoiding groove; 105, handle; 110, first driving mechanism; 111, base; 112, first cylinder; 113, connecting rod; 114, first guide assembly;
[0042] 200, reverse folding angle cloth folding piece; 201, movement path; 202, working part; 203, connecting part; 2031, adjusting groove; 210, rear cloth folding piece; 211, side cloth folding piece; 220, second driving mechanism; 221, second cylinder; 222, transmission frame; 223, second guide assembly; 230, movable seat;
[0043] 300, concave die;
[0044] 900, bag-shaped cloth; 901, bag opening folding angle. DETAILED DESCRIPTION
[0045] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below. In the following description, a lot of specific details are set forth in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited by the specific embodiments disclosed below.
[0046] It is to be understood that where the terms specifica tion are referred to as being "on" or "disposed on" another specification, it can be directly on another specification or one intervening specification can also be present. Where a specification is referred to as being "connected" to another specification, it can be directly connected to the other specification or one intervening specification can also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right", and similar terms as used in the description of the specification for explaining the relative location should be understood as being for the purpose of illustration only and not as indicating an exclusive embodiment.
[0047] In addition, the terms "first", "second", "third", etc. are used herein for descriptive purposes only and should not be construed as indicating or implying relative importance or an ordered sequence. Thus, features defined with "first", "second" or "third" can include at least one of the features, explicitly or implicitly. The term "plurality" means at least two, for example, two, three, etc., unless otherwise specifically stated or limited.
[0048] In this specification, unless otherwise expressly specified and limited, a first feature "on", "under", "above", or "over" a second feature can mean that the first feature is in direct contact with the second feature, or the first feature is in indirect contact with the second feature through an intermediate medium. Moreover, the first feature "above", "over", and "on" the second feature can mean that the first feature is directly above or obliquely above the second feature, or only means that the first feature is higher in horizontal height (or in a use state, or in a certain drawing perspective) than the second feature. The first feature "below", "under", and "under" the second feature can mean that the first feature is directly below or obliquely below the second feature, or only means that the first feature is lower in horizontal height (or in a use state, or in a certain drawing perspective) than the second feature.
[0049] Unless otherwise defined, all technical and scientific terms used in the specification of the specification are the same as those commonly understood by those skilled in the art to which the specification belongs. The terms used in the specification of the specification are only for the purpose of describing the specific embodiments and are not intended to limit the specification. The term "and / or" used in the specification of the specification includes any and all combinations of one or more related listed items.
[0050] Reference is made to the accompanying drawings Figure 1 Reference is made to the accompanying drawings Figure 4 As shown in the drawings, an edge folding device of a bagging machine is disclosed in an embodiment of the specification, which comprises a lower die plate 100 and a folding piece that cooperate with each other and act on the bag-shaped cloth 900. The folding piece has a close position on the top side of the lower die plate 100 and a working position on the bottom side of the lower die plate 100. During the working cycle of the edge folding device, the folding piece moves back and forth between the close position and the working position, which can be in the form of lifting or flipping, etc. The folding piece in the working position can further move in cooperation with the lower die plate 100 to realize the edge folding of the bag-shaped cloth 900.
[0051] In the embodiment, the lower mold plate 100 adopts a split structure and comprises a plurality of unit plates in relative motion, the plurality of unit plates comprising a middle plate 103 and first and second side plates 101 and 102 located on opposite sides of the middle plate 103, each unit plate moving relative to each other to meet the needs in different processes, especially the lower mold plate 100 being pulled away after the sewing of the lower wide and upper narrow bag-shaped sewing is completed. The first and second side plates 101 and 102 are respectively provided with an avoiding groove 104 on the side opposite to each other.
[0052] The cloth folding pieces include a plurality of pieces and respectively act on corresponding positions of the lower mold plate 100, which include a rear cloth folding piece 210 cooperating with the rear side of the bag-shaped cloth 900, a plurality of side cloth folding pieces 211 opposite to each other, and an anti-folded corner cloth folding piece 200 corresponding to the position of the bag mouth corner. The anti-folded corner cloth folding piece 200 is provided with two pieces and respectively corresponds to two bag mouth corner positions to form a bag mouth corner 901. The anti-folded corner cloth folding piece 200 has a movement path 201, and the anti-folded corner cloth folding piece 200 switches the relative position between the top side and the bottom side of the lower mold plate 100 (for example, the above-mentioned close position and working position) in the movement path 201 to span the lower mold plate 100, and the movement path 201 of each anti-folded corner cloth folding piece 200 corresponds to one avoiding groove 104. The avoiding groove 104 allows the anti-folded corner cloth folding piece 200 to move from the close position to the working position to realize the anti-folded corner process, improving the adaptability.
[0053] The specific arrangement of the lower mold plate 100 can be referred to the embodiments shown in the accompanying drawings Figure 2 to the accompanying drawings Figure 4 In the embodiments shown, the lower mold plate 100 has opposite expanded and narrowed states:
[0054] In the expanded state, the rear edges of each unit plate abut each other (for example, as shown in the accompanying drawings Figure 2 );
[0055] In the narrowed state, the middle plate 103 moves along a first direction and is arranged in a staggered manner with the first and second side plates 101 and 102, the first and second side plates 101 and 102 move along a second direction and abut each other to surround the rear side of the middle plate 103, wherein the lower mold plate 100 has opposite front and rear sides, the first direction extends along the front and rear directions, and the second direction is perpendicular to the first direction.
[0056] The state switching of the lower mold plate 100 can be manually realized or realized through a driving mechanism, and the specific arrangement of the lower mold plate 100 can be referred to the embodiments shown in the accompanying drawings Figure 1 In the embodiments shown, the lower mold plate 100 is further provided with a first driving mechanism 110, and the first driving mechanism 110 comprises:
[0057] a base 111, the middle plate 103 is slidingly fitted to the base 111 along a first direction, and the first and second side plates 101 and 102 are fitted to the base 111 along a second direction;
[0058] The first cylinder 112 is mounted on the base 111, and the middle plate 103 is connected to the piston rod of the first cylinder 112;
[0059] The connecting rods 113 are two, one end of each connecting rod 113 is hingedly connected to the piston rod of the first cylinder 112, and the other end is hingedly connected to the corresponding side plate.
[0060] The base 111 is provided with a first guide assembly 114, and each unit plate is linked with the corresponding connecting rod 113 or piston rod through the corresponding first guide assembly 114. Figure 1 to Figure 3 An exemplary embodiment shows one of the setting modes of the first guide assembly 114. When the first cylinder 112 moves, the linear motion of the first cylinder 112 realizes the relative motion of each unit plate through the first guide assembly 114.
[0061] Referring to the embodiment shown in the drawings, Figure 2 In the embodiment shown in the drawings, the front sides of the first side plate 101 and the second side plate 102 are tapered towards each other, and an avoiding groove 104 is formed outside the tapered part. Further, the tapered part further extends to the front side in the first direction to form a handle part 105, and the handle part 105 is in sliding fit with the base 111, and the length of the handle part 105 is equal to the length L of the avoiding groove 104 below. In this embodiment, the handle part 105 includes a head section for providing the avoiding groove 104 and a tail section for connecting the first guide assembly 114 on the base plate, and the handle part 105 is L-shaped as a whole, and the head section and the tail section are arranged vertically.
[0062] The cooperation effect of the lower mold plate 100 and the cloth folding piece depends on the size adaptation of the two. Referring to the embodiment shown in the drawings, Figure 5 In the embodiment shown in the drawings, along the first direction, the avoiding groove 104 has a length L, and L≥10mm. Along the second direction, the avoiding groove 104 has a width W, and W is 5mm to 20mm. According to the corresponding pocket depth H1 of the bag-shaped cloth 900, along the first direction, the distance from the respective rear side of the first side plate 101 and the second side plate 102 to the avoiding groove 104 is the working length H2, and it satisfies: H2-H1=0mm to 10mm. In this embodiment, the first side plate 101 and the second side plate 102 abut against the deepest part of the pocket from the respective rear side, so H2-H1 can be equivalent to the length D shown in the drawings. Figure 5
[0063] The specific setting of the edge folding device can refer to the embodiments shown in the drawings Figure 3 , the drawings Figure 7 and the drawings Figure 8 In the embodiment shown in the drawings, the edge folding device further comprises:
[0064] The movable seat 230 moves up and down relative to the base 111;
[0065] The second driving mechanism 220 is configured with multiple sets and is respectively connected with the corresponding cloth folding piece. The second driving mechanism 220 configured for the reverse angle cloth folding piece 200 specifically includes:
[0066] The second cylinder 221 is installed on the movable seat 230.
[0067] The transmission frame 222 is slidingly installed on the movable seat 230 and is connected with the piston rod of the second cylinder 221, and the reverse angle cloth folding piece 200 is fixed on the transmission frame 222.
[0068] Referring to the drawings Figure 3 In the embodiment shown in the drawings, the transmission frame 222 and the movable seat 230 are provided with a second guide assembly 223 that cooperates with each other to limit the sliding direction of the reverse angle cloth folding piece 200. Referring to the drawings Figure 5 In the embodiment shown in the drawings, the rear side of the reverse angle cloth folding piece 200 is a working part 202 that cooperates with the bag-shaped cloth 900, and the front side of the reverse angle cloth folding piece 200 is upwardly bent to form a connecting part 203, which is fixed on the transmission frame 222 in a height-adjustable manner. In the drawings Figure 1 In the embodiment shown in the drawings, the connecting part 203 is provided with an adjusting groove 2031 that is open in the height direction, and the connecting part 203 is connected in a height-adjustable manner through the adjusting groove 2031.
[0069] In combination with the above and the drawings Figure 3 , the drawings Figure 7 , the drawings Figure 8 It is disclosed that in an embodiment of the present application, a bagging machine is also disclosed, which comprises the edge folding device of the bagging machine of any one of the above technical solutions.
[0070] The working process of the bagging machine in the embodiment will be described below with reference to the drawings:
[0071] The bag-shaped cloth 900 is placed on the lower die plate 100;
[0072] The movable seat 230 drives each cloth folding piece and the concave die 300 to move towards the lower die plate 100 until the concave die 300 abuts against the lower die plate 100 to form a mold cavity, and each cloth folding piece moves to the bottom side of the lower die plate 100, wherein the reverse angle cloth folding piece 200 enters the preset position through the avoiding groove 104;
[0073] Each cloth folding piece moves relative to the lower die plate 100 under the driving of the corresponding second cylinder 221 to realize the edge folding of the bag-shaped cloth 900, wherein each cloth folding piece can move simultaneously or alternately in a certain order. In the embodiment, after the rear cloth folding piece 210 and the side cloth folding piece 211 move, the reverse angle cloth folding piece 200 completes the reverse angle action (see the drawings Figure 4 to the drawings Figure 6 );
[0074] The lower die plate 100 enters the narrowing state and exits from the bag opening of the bag-shaped cloth 900;
[0075] Each flap is driven by the corresponding second cylinder 221 to move away from the lower die plate 100;
[0076] The movable seat 230 drives each flap and the concave die 300 to move away from the die plate until reset.
[0077] The setting of the bag sealer's edge folding device can be seen from the above description, and other parts of the bag sealer can be implemented in combination with the prior art, and will not be described here.
[0078] The technical features of the above-described embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not contradict, they should be considered as within the scope of the present disclosure. When the technical features in different embodiments are embodied in the same figure, it can be considered that the figure also discloses the combination of each embodiment involved.
[0079] The above-described embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the patent scope of the application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which are all within the protection scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.
Claims
1. A hemming device for a bagging machine comprising a lower die plate and a hemming blade cooperating and acting on a bag-shaped cloth, characterized in that, The lower mold plate adopts a split structure and comprises a plurality of unit plates in relative motion, the plurality of unit plates comprising a middle plate and first and second side plates located on opposite sides of the middle plate, wherein the first and second side plates are respectively provided with a relief groove on the side opposite to each other; The folding piece comprises a plurality of pieces and respectively acts on the corresponding position of the lower mold plate, wherein two pieces are corresponding to the corner position of the bag opening, and the reverse corner folding piece has a movement path, and the reverse corner folding piece switches the relative position between the top side and the bottom side of the lower mold plate to span the lower mold plate, and the movement path of each reverse corner folding piece corresponds to one of the relief grooves.
2. The taping machine's edger device according to claim 1, characterized in that The lower mold plate has opposite expanded and narrowed states: In the expanded state, the rear side edges of each unit plate are connected to each other; In the narrowed state, the middle plate moves in a first direction and is arranged in a staggered manner with the first and second side plates, and the first and second side plates move in a second direction to approach each other to surround the rear side of the middle plate, wherein the lower mold plate has opposite front and rear sides, the first direction extends in the front-rear direction, and the second direction is perpendicular to the first direction.
3. The taping machine's edging device according to claim 2, characterized in that In the first direction, the relief groove has a length L, and L≥10mm.
4. The taping machine's edger device according to claim 2, characterized in that In the second direction, the relief groove has a width W, and W is 5mm to 20mm.
5. The taping machine's edger of claim 2, wherein, According to the corresponding bag depth of the bag-shaped cloth, in the first direction, the distance from the respective rear side of the first and second side plates to the relief groove is the working length H2, and satisfies: H2-H1=0mm to 10mm.
6. The taping machine's edger device of claim 2, wherein, The lower mold plate is further provided with a first driving mechanism, and the first driving mechanism comprises: a base, the middle plate is slidingly fitted on the base in the first direction, and the first and second side plates are fitted on the base in the second direction; a first cylinder mounted on the base, the middle plate is connected to the piston rod of the first cylinder; a connecting rod, the connecting rod has two ends, one end of each connecting rod is hinged to the piston rod of the first cylinder, and the other end is hinged to the corresponding side plate.
7. The taping machine's edging device according to claim 6, characterized in that The front sides of the first and second side plates are narrowed towards each other, and the relief groove is formed outside the narrowed part; The narrowed part further extends to the front side in the first direction to form a handle part, and the handle part is slidingly fitted with the base, and the length of the handle part is equal to the length L of the relief groove.
8. The taping machine's edger device according to claim 6, characterized in that The folding device further comprises: a movable seat that moves up and down relative to the base; a second driving mechanism configured with a plurality of sets and respectively connected with the corresponding folding piece, wherein the second driving mechanism configured for the reverse corner folding piece specifically comprises: a second cylinder mounted on the movable seat; a transmission frame slidingly mounted on the movable seat and connected with the piston rod of the second cylinder, and the reverse corner folding piece is fixed to the transmission frame.
9. The taping machine's edging device according to claim 8, characterized in that A guide assembly is arranged between the transmission frame and the movable seat to limit the sliding direction of the reverse corner folding piece; The rear side of the reverse angle folding cloth piece is a working part matched with the bag-shaped cloth, the front side of the reverse angle folding cloth piece is upwardly bent to form a connecting part, and the connecting part is fixed to the transmission frame with adjustable height.
10. A bagging machine characterized by comprising: The edge folding device comprises the bagging machine according to any one of claims 1 to 9.