Feeding device with secondary positioning function and sheet sewing machine

By introducing a secondary positioning mechanism and a feeding device for segmented feeding in the sheet sewing machine, the sewing accuracy problem caused by the position offset of the rotating bin is solved, and a higher sewing accuracy is achieved.

CN223176366UActive Publication Date: 2025-08-01DONGGUAN YAMANHAO MASCH TECH CO LTD
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Patent Information

Application Number
CN202422122351.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-08-01
Estimated Expiration
2034-08-30

AI Technical Summary

Technical Problem

The existing sheet sewing machines are offset by centrifugal force and equipment vibration when switching positions of the rotating silo, which affects the sewing accuracy.

Method used

The feeding device with a secondary positioning function is adopted, including a first feeding robot, a secondary positioning mechanism and a second feeding robot. The sheet is accurately positioned through the secondary positioning mechanism and feeding the material in segments to correct position deviation.

Benefits of technology

The sewing accuracy of the sheet is improved and the accuracy of the sewing position of the sewing machine head is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a feeding device with a secondary positioning function, which comprises a first feeding manipulator, a secondary positioning mechanism and a second feeding manipulator which are sequentially arranged along the feeding direction, the first feeding manipulator is used for grabbing sheets from a rotary stock bin of a sheet sewing machine, and the second feeding manipulator is used for grabbing the sheets from the rotary stock bin of the sheet sewing machine. The second positioning mechanism is used for positioning the sheet and transferring the sheet into the second positioning mechanism; the secondary positioning mechanism is used for carrying out secondary positioning on the sheets; and the second feeding manipulator is used for grabbing the sheet from the secondary positioning mechanism and transferring the sheet to a sewing machine head of the sheet sewing machine. The feeding device has a secondary positioning function and can improve the sewing precision of sheets. The utility model further discloses a sheet sewing machine which comprises the feeding device.
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Description

Technical Field

[0001] The utility model relates to a feeding device, in particular to a feeding device with a secondary positioning function and a sheet sewing machine. Background Art

[0002] A sheet sewing machine is a sewing device specifically used for processing sheet materials, and is widely used in industries such as clothing, shoes, hats, and luggage. The main functions of such sewing devices include straight sewing, special-shaped sewing, decorative sewing, high-speed sewing, thick material sewing, and automated sewing.

[0003] The existing sheet sewing machine uses a feeding manipulator to grab a sheet from a rotating magazine, and then transfers the grabbed sheet to the sewing head of the sewing machine for sewing. Although a positioning mechanism is already provided in the rotating magazine to position the sheet, when the rotating magazine rotates and switches to different storage positions, the sheet will inevitably shift due to centrifugal force and equipment vibration, etc., ultimately resulting in a deviation in the sewing position of the sewing head on the sheet. Summary of the Utility Model

[0004] To solve the above-mentioned deficiencies of the prior art, the utility model provides a feeding device with a secondary positioning function, which can improve the sewing accuracy of the sheet.

[0005] The utility model also provides a sheet sewing machine, including the above-mentioned feeding device.

[0006] The technical problems to be solved by the utility model are realized through the following technical solutions:

[0007] A feeding device with a secondary positioning function includes a first feeding manipulator, a secondary positioning mechanism, and a second feeding manipulator arranged in sequence along the feeding direction.

[0008] The first feeding manipulator is used to grab a sheet from the rotating magazine of the sheet sewing machine and transfer the sheet into the secondary positioning mechanism.

[0009] The secondary positioning mechanism is used to perform secondary positioning on the sheet.

[0010] The second feeding manipulator is used to grab the sheet from the secondary positioning mechanism and transfer the sheet to the sewing head of the sheet sewing machine.

[0011] Furthermore, the secondary positioning mechanism includes a positioning tabletop, a first sheet-pushing and positioning module, a second sheet-pushing and positioning module, and a third sheet-pushing and positioning module disposed on the positioning tabletop. The first sheet-pushing and positioning module, the second sheet-pushing and positioning module, and the third sheet-pushing and positioning module are respectively disposed on the first side, the second side, and the third side of the positioning tabletop. Among them, the first side is located on the side of the positioning tabletop close to the second sheet-feeding manipulator, and the second side and the third side are respectively located on the two sides adjacent to the first side of the positioning tabletop.

[0012] Furthermore, the first sheet-pushing and positioning module is located below the positioning tabletop and includes a first fixed seat, a first positioning driver, a first mounting seat, a lifting driver, a second mounting seat, and a first positioning component for pushing the sheet. The first fixed seat is fixedly installed below the positioning tabletop. The first positioning driver is disposed on the first fixed seat and is connected to drive the first mounting seat to move along a direction perpendicular to the first side. The lifting driver is disposed on the first mounting seat and is connected to drive the second mounting seat to lift and lower. The first positioning component is disposed on the second mounting seat along a direction parallel to the first side. The positioning tabletop is provided with a hollow structure corresponding to the first positioning component, and each hollow structure extends along a direction perpendicular to the first side. When the lifting driver drives the second mounting seat to rise, the first positioning component extends above the positioning tabletop through the corresponding hollow structure. When the lifting driver drives the second mounting seat to lower, the first positioning component retracts below the positioning tabletop through the corresponding hollow structure.

[0013] Furthermore, the second sheet-pushing and positioning module is located above the positioning tabletop and includes a second fixed seat, a second positioning driver, and a second positioning component for pushing the sheet. The second fixed seat is fixedly installed below the positioning tabletop. The second positioning driver is disposed on the second fixed seat and is connected to drive the second positioning component to move along a direction perpendicular to the second side. The second positioning component is parallel to the direction of the second side.

[0014] Furthermore, the third sheet-pushing and positioning module is located above the positioning tabletop and includes a third fixed seat, a third positioning driver, and a third positioning component for pushing the sheet. The third fixed seat is fixedly installed below the positioning tabletop. The third positioning driver is disposed on the third fixed seat and is connected to drive the third positioning component to move along a direction perpendicular to the third side. The third positioning component is parallel to the direction of the third side.

[0015] Further, the first feeding manipulator includes a first feeding vertical frame, a first linear moving module, a first lifting module, and a plurality of first picking claws. The first linear moving module is disposed on the first feeding vertical frame, the first lifting module is disposed on the first linear moving module, and each first picking claw is disposed on the first lifting module, so that each first picking claw can linearly move and lift between above the rotary magazine and the secondary positioning mechanism.

[0016] Further, the first picking claw is a needle-type suction cup.

[0017] Further, the second feeding manipulator includes a second feeding vertical frame, a second linear moving module, a second lifting module, and a plurality of second picking claws. The second linear moving module is disposed on the second feeding vertical frame, the second lifting module is disposed on the second linear moving module, and each second picking claw is disposed on the second lifting module, so that each second picking claw can linearly move and lift between above the secondary positioning mechanism and the sewing head.

[0018] Further, the second picking claw is a needle-type suction cup.

[0019] A sheet sewing machine includes a rotary magazine, the above-mentioned feeding device, and a sewing head. The feeding device is disposed between the rotary magazine and the sewing head.

[0020] The utility model has the following beneficial effects: The feeding device of the utility model is provided with the secondary positioning mechanism, and divides the feeding process of the sheet into two sections. The first half of the feeding is responsible by the first feeding manipulator, and the second half of the feeding is responsible by the second feeding manipulator. First, the first feeding manipulator transfers the sheet into the second positioning mechanism, and then the secondary positioning mechanism performs secondary positioning on the sheet to correct the position offset of the sheet caused by the operation of the rotary magazine. Finally, the second feeding manipulator transfers the sheet that has completed secondary positioning into the sewing head for sewing, so as to improve the sewing accuracy of the sheet. Description of the Drawings

[0021] Figure 1 It is a schematic plan view of the sheet sewing machine of the utility model.

[0022] Figure 2 It is a schematic three-dimensional view of the rotary magazine in the sheet sewing machine of the utility model.

[0023] Figure 3 It is a schematic three-dimensional view of the feeding device in the sheet sewing machine of the utility model.

[0024] Figure 4This is a three-dimensional structural schematic diagram of the secondary positioning mechanism in the feeding device of the present utility model.

[0025] Figure 5 This is a three-dimensional structural schematic diagram of the first feeding manipulator in the feeding device of the present utility model.

[0026] Figure 6 This is a three-dimensional structural schematic diagram of the second feeding manipulator in the feeding device of the present utility model. Detailed implementation manners

[0027] The following describes the present utility model in detail with reference to the drawings and embodiments. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model and should not be construed as a limitation of the present utility model.

[0028] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0029] In addition, the terms "first", "second", "third" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first", "second", "third" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more unless otherwise specifically defined.

[0030] In the present utility model, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected", "fixed", "set", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and may also be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0031] Embodiment 1

[0032] Such as Figure 1As shown in the figure, a sheet sewing machine includes a rotating magazine 100, a feeding device 200, and a sewing head 300. The feeding device 200 is arranged between the rotating magazine 100 and the sewing head 300.

[0033] The rotating magazine 100 is used for storing the sheets to be sewn.

[0034] The feeding device 200 is used for transferring the sheets stored in the rotating magazine 100 into the sewing head 300.

[0035] The sewing head 300 is used for sewing the sheets fed by the feeding device 200.

[0036] In this embodiment, as Figure 2 shown, the rotating magazine 100 includes a turntable 110 and a plurality of storage positions 111 arranged on the turntable 110 for storing the sheets. The turntable 110 rotates to sequentially switch each storage position 111 under the feeding device 200. Three positioning baffles 11a, 11b, and 11c are provided at each storage position 111 of the turntable 110. One positioning baffle 11a is arranged on the side of the storage position 111 close to the center of the turntable 110, and the other two positioning baffles 11b and 11c are respectively arranged on the two sides of the storage position 111 adjacent to the previous positioning baffle 11a. The three positioning baffles 11a, 11b, and 11c constitute the positioning mechanism of the rotating magazine 100 at the storage position 111. By respectively abutting against the three sides of the sheet with the three positioning baffles 11a, 11b, and 11c, the primary positioning of the sheet is realized.

[0037] Of course, the rotating magazine 100 can also adopt other positioning mechanisms to realize the primary positioning of the sheet. The positioning mechanism of the rotating magazine 100 is not limited to the structure described in this embodiment. The positioning mechanism of the rotating magazine 100 belongs to the prior art and should not limit the protection scope of the present invention.

[0038] Although a positioning mechanism is provided in the rotating magazine 100 to position the sheet, when the rotating magazine 100 rotates to switch different storage positions 111, the sheet will inevitably shift in position due to reasons such as centrifugal force and equipment vibration, resulting in a deviation in the sewing position of the sewing head 300 on the sheet.

[0039] To solve the above technical problems, the feeding device 200 of the present invention has a secondary positioning function to improve the sewing accuracy of the sewing head 300 for the sheet.

[0040] Specifically, as Figure 3As shown, the feeding device 200 includes a first feeding robot arm 210, a secondary positioning mechanism 220, and a second feeding robot arm 230 that are arranged in sequence along the feeding direction.

[0041] The first feeding robot arm 210 is used to grab the sheet from the rotating magazine 100 of the sheet sewing machine and transfer the sheet into the secondary positioning mechanism 220.

[0042] The secondary positioning mechanism 220 is used to perform secondary positioning on the sheet.

[0043] The second feeding robot arm 230 is used to grab the sheet from the secondary positioning mechanism 220 and transfer the sheet to the sewing head 300 of the sheet sewing machine.

[0044] The feeding device 200 of the present utility model is provided with the secondary positioning mechanism 220, and the feeding process of the sheet is divided into two segments. The first half of the feeding is responsible by the first feeding robot arm 210, and the second half of the feeding is responsible by the second feeding robot arm 230. First, the first feeding robot arm 210 transfers the sheet into the second positioning mechanism, and then the secondary positioning mechanism 220 performs secondary positioning on the sheet to correct the position deviation of the sheet caused by the operation of the rotating magazine 100. Finally, the second feeding robot arm 230 transfers the sheet that has completed secondary positioning into the sewing head 300 for sewing to improve the sewing accuracy of the sheet.

[0045] As Figure 4 shown, the secondary positioning mechanism 220 includes a positioning table 221, a first pushing and positioning module 22a, a second pushing and positioning module 22b, and a third pushing and positioning module 22c arranged on the positioning table 221. The first pushing and positioning module 22a, the second pushing and positioning module 22b, and the third pushing and positioning module 22c are respectively arranged on the first side, the second side, and the third side of the positioning table 221. Among them, the first side is located on the side of the positioning table 221 close to the second feeding robot arm 230, and the second side and the third side are respectively located on the two sides adjacent to the first side of the positioning table 221.

[0046] After the first feeding robot arm 210 places the sheet on the positioning table 221, the first pushing and positioning module 22a, the second pushing and positioning module 22b, and the third pushing and positioning module 22c respectively extend from three sides to push the sheet to push the sheet to a specified position on the positioning table 221 to achieve secondary positioning of the sheet, and then the second feeding robot arm 230 takes away the sheet from the specified position on the positioning table 221.

[0047] The first sheet pushing and positioning module 22a is located below the positioning table surface 221, and includes a first fixing base 222, a first positioning driver 223, a first mounting base 224, a lifting driver 225, a second mounting base 226, and a first positioning member 227 for pushing the sheet. The first fixing base 222 is fixedly installed below the positioning table surface 221. The first positioning driver 223 is disposed on the first fixing base 222 and is connected to drive the first mounting base 224 to move along a direction perpendicular to the first side edge. The lifting driver 225 is disposed on the first mounting base 224 and is connected to drive the second mounting base 226 to lift and lower. The first positioning member 227 is disposed on the second mounting base 226. The positioning table surface 221 is provided with a hollow structure 2200 corresponding to the first positioning member 227. When the lifting driver 225 drives the second mounting base 226 to rise, the first positioning member 227 extends above the positioning table surface 221 through the corresponding hollow structure 2200. When the lifting driver 225 drives the second mounting base 226 to lower, the first positioning member 227 retracts below the positioning table surface 221 through the corresponding hollow structure 2200.

[0048] In this embodiment, the first positioning member 227 includes a plurality of positioning columns, and each positioning column is disposed on the second mounting base 226 along a direction parallel to the first side edge. The hollow structure 2200 includes a plurality of strip-shaped hole structures corresponding to the positioning columns, and each strip-shaped hole structure extends along a direction perpendicular to the first side edge.

[0049] The second sheet pushing and positioning module 22b is located above the positioning table surface 221, and includes a second fixing base 228, a second positioning driver 229, and a second positioning member 2210 for pushing the sheet. The second fixing base 228 is fixedly installed below the positioning table surface 221. The second positioning driver 229 is disposed on the second fixing base 228 and is connected to drive the second positioning member 2210 to move along a direction perpendicular to the second side edge. The second positioning member 2210 is parallel to the direction of the second side edge.

[0050] The third material pushing and positioning module 22c is located above the positioning table 221, and includes a third fixed seat 2211, a third positioning driver 2212, and a third positioning member 2213 for pushing the sheet. The third fixed seat 2211 is fixedly installed below the positioning table 221. The third positioning driver 2212 is disposed on the third fixed seat 2211 and is connected to drive the third positioning member 2213 to move along a direction perpendicular to the third side. The third positioning member 2213 is parallel to the direction of the third side.

[0051] In this embodiment, both the second positioning member 2210 and the third positioning member 2213 are positioning vertical plates and extend along directions parallel to the second side and the third side respectively.

[0052] As Figure 5 shown, the first feeding manipulator 210 includes a first feeding vertical frame 211, a first linear movement module 222, a first lifting module 223, and a plurality of first material grabbing claws 224. The first linear movement module 222 is disposed on the first feeding vertical frame 211. The first lifting module 223 is disposed on the first linear movement module 222. Each first material grabbing claw 224 is disposed on the first lifting module 223 so that each first material grabbing claw 224 can linearly move and lift between above the rotary magazine 100 and the secondary positioning mechanism 220.

[0053] As Figure 6 shown, the second feeding manipulator 230 includes a second feeding vertical frame 231, a second linear movement module 232, a second lifting module 233, and a plurality of second material grabbing claws 234. The second linear movement module 232 is disposed on the second feeding vertical frame 231. The second lifting module 233 is disposed on the second linear movement module 232. Each second material grabbing claw 234 is disposed on the second lifting module 233 so that each second material grabbing claw 234 can linearly move and lift between above the secondary positioning mechanism 220 and the sewing machine head 300.

[0054] In this embodiment, both the first material grabbing claw 224 and the second material grabbing claw 234 are needle type suction cups.

[0055] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention and are not intended to limit them. Although the embodiments of the present invention have been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the embodiments of the present invention can still be modified or equivalently replaced, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A feeding device with a secondary positioning function, characterized in that, It includes a first feeding manipulator, a secondary positioning mechanism, and a second feeding manipulator arranged in sequence along the feeding direction. The first feeding manipulator is used to grab a sheet from the rotating magazine of the sheet sewing machine and transfer the sheet into the secondary positioning mechanism. The secondary positioning mechanism is used to perform secondary positioning on the sheet. The second feeding manipulator is used to grab the sheet from the secondary positioning mechanism and transfer the sheet to the sewing head of the sheet sewing machine.

2. The feeding device according to claim 1, characterized in that, The secondary positioning mechanism includes a positioning tabletop, a first pushing and positioning module, a second pushing and positioning module, and a third pushing and positioning module arranged on the positioning tabletop. The first pushing and positioning module, the second pushing and positioning module, and the third pushing and positioning module are respectively arranged on the first side, the second side, and the third side of the positioning tabletop. Among them, the first side is located on the side of the positioning tabletop close to the second feeding manipulator, and the second side and the third side are respectively located on the two sides adjacent to the first side of the positioning tabletop.

3. The feeding device according to claim 2, wherein The first pushing and positioning module is located below the positioning tabletop and includes a first fixed seat, a first positioning driver, a first mounting seat, a lifting driver, a second mounting seat, and a first positioning component for pushing the sheet. The first fixed seat is fixedly installed below the positioning tabletop. The first positioning driver is arranged on the first fixed seat and is connected to drive the first mounting seat to move along a direction perpendicular to the first side. The lifting driver is arranged on the first mounting seat and is connected to drive the second mounting seat to lift and lower. The first positioning component is arranged on the second mounting seat, and the positioning tabletop is provided with a hollow structure corresponding to the first positioning component. When the lifting driver drives the second mounting seat to rise, the first positioning component extends above the positioning tabletop through the corresponding hollow structure. When the lifting driver drives the second mounting seat to lower, the first positioning component retracts below the positioning tabletop through the corresponding hollow structure.

4. The feeding device according to claim 2, characterized in that, The second pushing and positioning module is located above the positioning tabletop and includes a second fixed seat, a second positioning driver, and a second positioning component for pushing the sheet. The second fixed seat is fixedly installed below the positioning tabletop. The second positioning driver is arranged on the second fixed seat and is connected to drive the second positioning component to move along a direction perpendicular to the second side. The second positioning component is parallel to the direction of the second side.

5. The feeding device according to claim 2, characterized in that, The third pushing and positioning module is located above the positioning tabletop and includes a third fixed seat, a third positioning driver, and a third positioning component for pushing the sheet. The third fixed seat is fixedly installed below the positioning tabletop. The third positioning driver is arranged on the third fixed seat and is connected to drive the third positioning component to move along a direction perpendicular to the third side. The third positioning component is parallel to the direction of the third side.

6. The feeding device according to claim 1, wherein The first feeding manipulator includes a first feeding vertical frame, a first linear moving module, a first lifting module, and a plurality of first material taking claws. The first linear moving module is arranged on the first feeding vertical frame, the first lifting module is arranged on the first linear moving module, and each first material taking claw is arranged on the first lifting module, so that each first material taking claw can linearly move and lift between above the rotary magazine and the secondary positioning mechanism.

7. The feeding device according to claim 6, wherein, The first material taking claw is a needle type suction cup.

8. The feeding device according to claim 1, wherein The second feeding manipulator includes a second feeding vertical frame, a second linear moving module, a second lifting module, and a plurality of second material taking claws. The second linear moving module is arranged on the second feeding vertical frame, the second lifting module is arranged on the second linear moving module, and each second material taking claw is arranged on the second lifting module, so that each second material taking claw can linearly move and lift between above the secondary positioning mechanism and the sewing head.

9. The feeding device according to claim 8, characterized in that, The second material taking claw is a needle type suction cup.

10. A sheet sewing machine, characterized in that, It includes a rotary magazine, the feeding device according to claim 1, and a sewing head, and the feeding device is arranged between the rotary magazine and the sewing head.