Sewing machine

Abstract

The utility model relates to the technical field of sewing machines, in particular to a sewing machine. Comprising a bottom plate, a support, an electric control box, a cantilever type touch screen, a sewing machine main machine, an umbrella-shaped opening assembly, an adjusting assembly and a steel wire positioning assembly, the support is fixedly arranged above the bottom plate, and the sewing machine main machine is fixedly arranged above the support; the umbrella-shaped opening assembly comprises a connecting plate, a plurality of supporting plates, a plurality of connecting rods, a plurality of sets of guiding units, a first servo motor, a first ball screw and two first ball nuts, the connecting plate is connected with the adjusting assembly, and the first servo motor is fixedly connected with the connecting plate and located on the outer side wall of the connecting plate; the two first ball nuts are both in threaded fit with the first ball screw, the multiple supporting plates are circumferentially and evenly distributed outside the first ball screw, the two ends of each connecting rod are rotationally connected with the corresponding first ball nut and the corresponding supporting plate respectively, the work labor difficulty of workers can be greatly lowered, and efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine technical field especially relates to a sewing machine. BACKGROUND

[0002] At present, in the current sewing process, especially when making products such as cloth bag, storage box spring barrel and other products needing internal support structure, steel wire is widely used as support material. The threading of steel wire is an indispensable link in the manufacturing process of these products, and the existing steel wire threading process mostly relies on manual operation.

[0003] However, the current manual sewing of cloth bags and storage box spring barrels is one person and one sewing machine, and the spring is manually threaded after sewing, which is low in efficiency and very labor-intensive. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a sewing machine, which aims to solve the technical problem that the current manual sewing of cloth bags and storage box spring barrels is one person and one sewing machine, and the spring is manually threaded after sewing, which is low in efficiency and very labor-intensive.

[0005] To achieve the above-mentioned purpose, the utility model adopts a sewing machine, which comprises a bottom plate, a support, an electric control box, a cantilever touch screen, a sewing machine host, an umbrella-shaped opening assembly, an adjusting assembly and a steel wire positioning assembly, the support is fixedly arranged above the bottom plate, the electric control box and the cantilever touch screen are fixedly arranged on the outer side wall of the support respectively, the sewing machine host is fixedly arranged above the support, the steel wire positioning assembly is arranged on the sewing machine host, and the adjusting assembly is arranged above the bottom plate.

[0006] The umbrella-shaped opening assembly comprises a connecting plate, a plurality of supporting plates, a plurality of connecting rods, a plurality of guide units, a first servo motor, a first ball screw and two first ball nuts, the connecting plate is connected with the adjusting assembly, the first servo motor is fixedly connected with the connecting plate and located on the outer side wall of the connecting plate, the two first ball nuts are both sleeved on the outside of the first ball screw and are both in threaded cooperation with the first ball screw, the plurality of supporting plates are uniformly distributed in a circle on the outside of the first ball screw, the two ends of each connecting rod are rotatably connected with the corresponding first ball nut and supporting plate respectively, and the plurality of guide units are arranged on the outer side wall of the connecting plate and connected with the corresponding supporting plates respectively.

[0007] The guide unit comprises a circular guide rail and a first sliding block, the circular guide rail is fixedly connected with the connecting plate and located on the outer side wall of the connecting plate, the first sliding block is movably connected with the circular guide rail, and the first sliding block is further fixedly connected with the supporting plate.

[0008] The adjusting assembly comprises a horizontal moving unit, a fixing frame, a second servo motor, a second ball nut, a second ball screw, two linear guides and a plurality of second sliding blocks. The horizontal moving unit is arranged above the bottom plate. The fixing frame is fixedly connected with the horizontal moving unit. The second ball screw is rotatably arranged in the fixing frame. The second servo motor is connected with the second ball screw and fixedly arranged in the fixing frame. The second ball nut is sleeved outside the second ball screw and threadedly matched with the second ball screw. The second ball nut is also fixedly connected with the connecting plate. The two linear guides are fixedly arranged on the outer side walls of the fixing frame. Each second sliding block is movably connected with the corresponding linear guide, and each second sliding block is fixedly connected with the connecting plate.

[0009] The horizontal moving unit comprises a third servo motor, two second linear guides, a third ball screw, a third ball nut and a moving plate. The third ball screw is rotatably arranged above the bottom plate. The third servo motor is fixedly arranged on the bottom plate. The output end of the third servo motor is connected with the third ball screw. The third ball nut is sleeved outside the third ball screw and threadedly matched with the third ball screw. The two second linear guides are symmetrically arranged above the bottom plate. The moving plate is fixedly connected with the third ball nut and the fixing frame. The moving plate is also movably connected with the two second linear guides.

[0010] The steel wire positioning assembly comprises a connecting frame, an air cylinder, a mounting frame, a cloth tape device and a steel guide roller. The connecting frame is fixedly connected with the sewing machine main machine. The air cylinder is fixedly connected with the connecting frame and located on the outer side wall of the connecting frame. The mounting frame is connected with the output end of the air cylinder. The cloth tape device is fixedly connected with the mounting frame. The steel guide roller is rotatably arranged in the mounting frame.

[0011] The utility model relates a sewing machine, sewing machine host fixing support is on, the sewing machine host is used for sewing, the steel wire positioner is fixed at the front end of sewing machine host, the steel wire positioner is fixed steel wire and adds the space of the front needle, uses, first utilizes the adjusting assembly and sends the umbrella shape to open the component to the bagging position, manually bagging is carried out on the outside of a plurality of support plates, after bagging, starts the first servo motor on the connecting plate, the output end control first ball screw rod of first servo motor rotates, since two first ball nut all are with first ball screw rod thread cooperation, two first ball nut will be on first ball screw rod transverse migration, at this moment, a plurality of connecting rods will stretch, and the support plate is not respectively moved outward, subsequently a plurality of support plates open to the cloth bag suitable size, then utilize the adjusting assembly and return the umbrella shape to open the component to the sewing position to the adjusting assembly height is adjusted, and finally cooperate with the electric control box and the cantilever touch screen automatic sewing, through the accurate control sewing parameter of PLC control system, realize efficient, accurate sewing, in the above-mentioned mode, utilize the product of PLC control can be accurate to adjust cloth bag suitable size specification, and the adjustable size specification is at 400~800mm, realizes can greatly reduce the working labor difficulty of personnel, improves the efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0013] Figure 1 It is the structure schematic diagram of the sewing machine of the utility model.

[0014] Figure 2 It is the structure schematic diagram of the sewing machine of the utility model.

[0015] Figure 3 It is the structure schematic diagram of the sewing machine of the utility model.

[0016] Figure 4 It is the structure schematic diagram of the sewing machine of the utility model.

[0017] Figure 5 It is the structure schematic diagram of the sewing machine of the utility model Figure 1 It is the A place local structure of the utility model of enlargement.

[0018] 101-bottom plate, 102-bracket, 103-electric control box, 104-cantilever touch screen, 105-sewing machine host, 106-connection plate, 107-supporting plate, 108-connection rod, 109-first servo motor, 110-first ball screw, 111-first ball nut, 112-circular guide rail, 113-first sliding block, 114-fixing frame, 115-second servo motor, 116-second ball nut, 117-second ball screw, 118-first linear guide rail, 119-second sliding block, 120-third servo motor, 121-second linear guide rail, 122-third ball screw, 123-third ball nut, 124-moving plate, 125-connection frame, 126-cylinder, 127-mounting frame, 128-tape dispenser, 129-steel guide roller. DETAILED DESCRIPTION

[0019] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0020] Please refer to Figures 1-5 The utility model provides a sewing machine, including bottom plate 101, bracket 102, electric control box 103, cantilever touch screen 104, sewing machine host 105, umbrella shape open subassembly, adjusting assembly and steel wire positioning assembly, bracket 102 fixedly arranged in the top of bottom plate 101, electric control box 103 and cantilever touch screen 104 are fixedly arranged respectively in the outer side wall of bracket 102, sewing machine host 105 is fixedly arranged in the top of bracket 102, steel wire positioning assembly is arranged on sewing machine host 105, adjusting assembly is arranged in the top of bottom plate 101,

[0021] The umbrella-shaped opening assembly comprises a connecting plate 106, a plurality of support plates 107, a plurality of connecting rods 108, a plurality of guide units, a first servo motor 109, a first ball screw 110 and two first ball nuts 111, the connecting plate 106 is connected with the adjusting assembly, the first servo motor 109 is fixedly connected with the connecting plate 106 and located on the outer side wall of the connecting plate 106, the two first ball nuts 111 are sleeved on the outside of the first ball screw 110 and are in threaded cooperation with the first ball screw 110, the plurality of support plates 107 are uniformly distributed on the outside of the first ball screw 110, the two ends of each connecting rod 108 are rotationally connected with the corresponding first ball nut 111 and support plate 107 respectively, and the plurality of guide units are arranged on the outer side wall of the connecting plate 106 and connected with the corresponding support plate 107 respectively.

[0022] In the embodiment, the sewing machine main machine 105 is fixed on the support 102, the sewing machine main machine 105 is used for sewing, the steel wire positioning assembly is fixed at the front end of the sewing machine main machine 105, and the steel wire positioning assembly is used for fixing the steel wire and increasing the space for front needle insertion. In use, the umbrella-shaped opening assembly is sent to the bagging position by the adjusting assembly, the bagging is manually performed on the outside of the plurality of support plates 107, after the bagging is completed, the first servo motor 109 on the connecting plate 106 is started, the output end of the first servo motor 109 controls the rotation of the first ball screw 110, since the two first ball nuts 111 are in threaded cooperation with the first ball screw 110, the two first ball nuts 111 move transversely on the first ball screw 110, at this time, the plurality of connecting rods 108 are stretched and move outward with respect to the support plates 107 respectively, then the plurality of support plates 107 are opened to a suitable size of the cloth bag, the umbrella-shaped opening assembly is retreated to the sewing position by the adjusting assembly, the height is adjusted by the adjusting assembly, finally, the automatic sewing is performed in cooperation with the electric control box 103 and the cantilever touch screen 104, the sewing parameters are accurately controlled by the PLC control system, and high-efficiency and accurate sewing is realized. In the above manner, the size of the product collecting bag can be accurately adjusted by the PLC control, the adjustable size is 400-800 mm, the working difficulty of personnel is greatly reduced, and the efficiency is improved.

[0023] Further, the guide unit comprises a circular guide rail 112 and a first sliding block 113, the circular guide rail 112 is fixedly connected with the connecting plate 106 and located on the outer side wall of the connecting plate 106, and the first sliding block 113 is movably connected with the circular guide rail 112 and fixedly connected with the support plate 107.

[0024] In the embodiment, when the support plate 107 is pushed and pulled by the connecting rod 108, the sliding block 119 at the tail end of the support plate 107 slides on the circular guide rail 112, thereby increasing the stability of the support plate 107.

[0025] Further, the adjusting assembly comprises a horizontal moving unit, a fixing frame 114, a second servo motor 115, a second ball nut 116, a second ball screw 117, two first linear guide rails 118 and a plurality of second sliding blocks 119. The horizontal moving unit is arranged above the bottom plate 101. The fixing frame 114 is fixedly connected with the horizontal moving unit. The second ball screw 117 is rotatably arranged in the fixing frame 114. The second servo motor 115 is connected with the second ball screw 117 and is fixedly arranged in the fixing frame 114. The second ball nut 116 is sleeved outside the second ball screw 117 and threadedly cooperates with the second ball screw 117. The second ball nut 116 is also fixedly connected with the connecting plate 106. The two first linear guide rails 118 are fixedly arranged on the outer side walls of the fixing frame 114. Each second sliding block 119 is movably connected with the corresponding first linear guide rail 118, and each second sliding block 119 is fixedly connected with the connecting plate 106.

[0026] In the embodiment, the umbrella-shaped opening assembly is moved by the horizontal moving unit to a bagging position, and artificial bagging is performed. After the bagging is completed, the umbrella-shaped opening assembly is opened to a suitable size of the cloth bag, and then the horizontal moving unit is used to retreat to a sewing position. In addition, by starting the second servo motor 115, the output end of the second servo motor 115 drives the second ball screw 117 to rotate. Since the second ball nut 116 threadedly cooperates with the second ball screw 117, the first linear guide rail 118 guides, the second ball nut 116 moves up or down on the second ball screw 117, the connecting frame 125 is driven to rise and fall by the sleeve, and then the umbrella-shaped opening assembly moves, and the suitable center height is automatically adjusted by the PLC to perform sewing.

[0027] Further, the horizontal moving unit comprises a third servo motor 120, two second linear guides 121, a third ball screw 122, a third ball nut 123 and a moving plate 124, the third ball screw 122 is rotationally arranged above the bottom plate 101, the third servo motor 120 is fixedly arranged on the bottom plate 101, the output end of the third servo motor 120 is connected with the third ball screw 122, the third ball nut 123 is sleeved on the outside of the third ball screw 122 and is in threaded cooperation with the third ball screw 122, the two second linear guides 121 are symmetrically arranged above the bottom plate 101, the moving plate 124 is fixedly connected with the third ball nut 123 and the fixed frame 114 respectively, and the moving plate 124 is movably connected with the two second linear guides 121.

[0028] In the embodiment, when the umbrella-shaped opening assembly needs to be moved, the third servo motor 120 on the bottom plate 101 is started, the output end of the third servo motor 120 drives the third ball screw 122 to rotate on the bottom plate 101, the second linear guide 121 is guided due to the threaded cooperation between the third ball nut 123 and the third ball screw 122, the third ball nut 123 drives the moving plate 124 to horizontally move, and then the umbrella-shaped opening assembly moves, and the umbrella-shaped opening assembly is stopped after the movement is completed.

[0029] Further, the steel wire positioning assembly comprises a connecting frame 125, a pneumatic cylinder 126, a mounting frame 127, a cloth belt device 128 and a steel guide roller 129, the connecting frame 125 is fixedly connected with the sewing machine main machine 105, the pneumatic cylinder 126 is fixedly connected with the connecting frame 125 and is located on the outer side wall of the connecting frame 125, the mounting frame 127 is connected with the output end of the pneumatic cylinder 126, the cloth belt device 128 is fixedly connected with the mounting frame 127, and the steel guide roller 129 is rotationally arranged in the mounting frame 127.

[0030] In the embodiment, the pneumatic cylinder 126 is fixed on the outer side wall of the sewing machine main machine 105 through the connecting frame 125, the steel wire is fixed by the cloth belt device 128 and the steel guide roller 129, the mounting frame 127 is controlled to move by the output end of the pneumatic cylinder 126, and the space of the front needle can be adjusted.

[0031] The above only discloses a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, and the person skilled in the art can understand that all or part of the processes of the above embodiment can be implemented, and equivalent changes made according to the utility model claims still belong to the range covered by the utility model.

Claims

1. A sewing machine, characterized in that, comprising a base plate, a support, an electric control box, a cantilever touch screen, a sewing machine main machine, an umbrella-shaped opening assembly, an adjusting assembly and a steel wire positioning assembly, the support is fixedly arranged above the base plate, the electric control box and the cantilever touch screen are fixedly arranged on the outer side wall of the support respectively, the sewing machine main machine is fixedly arranged above the support, the steel wire positioning assembly is arranged on the sewing machine main machine, and the adjusting assembly is arranged above the base plate. The umbrella-shaped opening assembly comprises a connecting plate, a plurality of support plates, a plurality of connecting rods, a plurality of guide units, a first servo motor, a first ball screw and two first ball nuts, the connecting plate is connected with the adjusting assembly, the first servo motor is fixedly connected with the connecting plate and located on the outer side wall of the connecting plate, two first ball nuts are sleeved on the outside of the first ball screw and are in threaded cooperation with the first ball screw, a plurality of support plates are uniformly distributed on the outside of the first ball screw in a circle, and the two ends of each connecting rod are rotationally connected with the corresponding first ball nut and support plate, and a plurality of guide units are arranged on the outer side wall of the connecting plate and connected with the corresponding support plate respectively.

2. The sewing machine of claim 1, characterized in that, The guide unit comprises a circular guide rail and a first sliding block, the circular guide rail is fixedly connected with the connecting plate and located on the outer side wall of the connecting plate, and the first sliding block is movably connected with the circular guide rail, and the first sliding block is further fixedly connected with the support plate.

3. The sewing machine of claim 2, characterized in that, The adjusting assembly comprises a horizontal moving unit, a fixed frame, a second servo motor, a second ball nut, a second ball screw, two linear guides and a plurality of second sliding blocks, the horizontal moving unit is arranged above the base plate, the fixed frame is fixedly connected with the horizontal moving unit, the second ball screw is rotationally arranged in the fixed frame, the second servo motor is connected with the second ball screw and fixedly arranged in the fixed frame, the second ball nut is sleeved on the outside of the second ball screw and in threaded cooperation with the second ball screw, the second ball nut is further fixedly connected with the connecting plate, two linear guides are fixedly arranged on the outer side wall of the fixed frame, each second sliding block is movably connected with the corresponding linear guide, and each second sliding block is fixedly connected with the connecting plate.

4. The sewing machine of claim 3, characterized in that, The horizontal moving unit comprises a third servo motor, two second linear guides, a third ball screw, a third ball nut and a moving plate, the third ball screw is rotationally arranged above the bottom plate, the third servo motor is fixedly arranged on the bottom plate, the output end of the third servo motor is connected with the third ball screw, the third ball nut is sleeved outside the third ball screw and is in threaded cooperation with the third ball screw, the two second linear guides are symmetrically arranged above the bottom plate, the moving plate is fixedly connected with the third ball nut and the fixed frame respectively, and the moving plate is movably connected with the two second linear guides.

5. The sewing machine of claim 4, wherein, The steel wire positioning assembly comprises a connecting frame, a cylinder, a mounting frame, a tape dispenser and a steel guide roller, the connecting frame is fixedly connected with the main machine of the sewing machine, the cylinder is fixedly connected with the connecting frame and located at the outer side wall of the connecting frame, the mounting frame is connected with the output end of the cylinder, the tape dispenser is fixedly connected with the mounting frame, and the steel guide roller is rotationally arranged in the mounting frame.

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