CN117071184A - Sewing equipment and method for constructing same - Google Patents

Abstract

The invention relates to a sewing device and a method for constructing the sewing device, comprising a sewing machine device, wherein the sewing machine device comprises a machine head and a first control module of the sewing machine, the machine head comprises a machine shell, a needle bar, a presser foot bar, a main shaft and a motor, the motor is provided with an encoder, the motor and the encoder are respectively and electrically connected with the first control module, the motor is in transmission connection with the needle bar through the main shaft, and the first control module is provided with a pedal input port and a first control system; the middle presser foot device comprises a shell, a first power, a connector and a second control module, wherein the shell is connected to the shell, the first power is in transmission connection with the connector, the connector is connected to a presser foot bar, the second control module is electrically connected with an encoder, and the second control module is also electrically connected with the pedal input port; the second control module is provided with a second control system, and the first power is electrically connected with the second control module; the invention can be combined into a sewing device with a double system in a detachable way.

Description

Sewing equipment and method for constructing same

Technical Field

The invention relates to the technical field of sewing equipment, in particular to sewing equipment and a method for constructing the same.

Background

The sewing equipment can automatically and rapidly sew various materials and patterns under the accurate control of the computer system, so the sewing equipment is widely applied to the sewing production of various quilts, bedspreads, sleeping bags, mattresses, textile ornaments and the like. The structure of the existing sewing equipment is various, the model is various, and the functions are also various, so as to meet the sewing requirements of different occasions.

The sewing machine is a common sewing device, the sewing machine (such as a lockstitch machine and a computer sewing machine) generally comprises a machine head, a sewing table, a control module, a pedal module and the like, the machine head is a main part of the computer sewing machine and generally comprises four mechanisms of a material puncturing mechanism, a thread hooking mechanism, a thread picking mechanism and a feeding mechanism, and auxiliary mechanisms such as a winding mechanism, a material pressing mechanism and a tooth falling mechanism, wherein the motions of the mechanisms are reasonably matched and circularly work, so that the sewing materials are sewn. The machine head generally comprises a machine shell, a front cover, a needle bar, a presser foot bar, a main shaft and a motor, wherein the motor is provided with an encoder, the motor is electrically connected with a control module, meanwhile, the motor is in transmission connection with the main shaft so as to drive the main shaft to rotate, the main shaft is in transmission connection with the needle bar so as to drive the needle bar to perform a puncturing action by using the main shaft, and an organic needle is further arranged at the end part of the needle bar. The encoder is electrically connected with the control module, so that the control module can acquire the running state of the motor through the encoder, and the pedal module is electrically connected with the controller through the pedal input port so as to control the sewing process, such as the sewing speed and the like through the pedal module. The presser bar is vertically restrained on the machine shell, the lower end of the presser bar is provided with the presser bar, the presser bar can press the cloth in the sewing process, and the presser bar can be lifted after the sewing is finished so as to take away the cloth, and in a conventional sewing machine, the presser bar cannot act along with the needle bar. In the existing sewing machine, an end portion of a housing is constructed with an assembly opening, and a front cover is mounted to the end portion of the housing so as to close the assembly opening, as shown in fig. 1 to 3.

The template machine (or referred to as a template sewing machine) is also a common sewing device, and is different from the sewing machine in that the template machine can automatically sew according to a preset sewing line, and is mainly used for sewing various shaped clothes, shoes, caps, bags and the like, the existing template machine generally comprises a machine head, a sewing table and an XY module used for driving a press frame to move, the machine head generally comprises a cantilever, a needle bar arranged on the cantilever, a needle bar driving mechanism used for driving the needle bar to perform a puncturing action, a presser bar driving mechanism used for driving the presser bar to move up and down, a control module and the like, wherein an organic needle is arranged at the lower end of the needle bar, a middle presser bar is arranged at the lower end of the presser bar, and the control module is respectively electrically connected with the needle bar driving mechanism, the presser bar driving mechanism and the XY module so as to control the needle bar, the middle presser bar and the XY module to cooperate with the needle bar to perform the cooperation action in the sewing process. Pattern sewing machines (or pattern sewing machines) are basically identical in composition to the template machine, and differ in function and purpose, and are also a common type of sewing equipment.

In the prior art, a sewing machine and a template machine (or a pattern machine) are sewing equipment with different functions and different purposes, corresponding functions can be realized by only purchasing and installing corresponding equipment independently, the problems of trouble and high cost are solved, the sewing function is limited by single equipment, the change of user requirements cannot be met, the practicability and the flexibility are poor, for example, a plurality of stations are usually configured in the existing sewing factory, each station is usually reserved with a space for installing one equipment, when the sewing machine is originally installed on the station, after the template machine or the pattern machine is purchased, the template machine or the pattern machine can be installed only by moving the existing sewing machine away from the existing station. Similarly, when the template machine or the pattern machine is originally arranged on the station, after purchasing the sewing machine, the sewing machine can be arranged only by moving the existing template machine or pattern machine away from the existing station, so that the operation is troublesome, time and labor are wasted, a storage place is provided for equipment (the sewing machine or the template machine or the pattern machine) after disassembly, and a limited space in a factory building is occupied, so that the cost is high. For another example, in the existing factory, the sewing process is usually replaced according to the needs of customers, goods are replaced or replaced, sometimes a sewing machine is needed, sometimes a template machine or a pattern machine is needed, if the sewing machine and the template machine (or the pattern machine) are configured in the factory at the same time, the number of single equipment is reduced by half, the yield of the factory is affected, the cost is high, and if only one equipment is configured in the factory, the requirement of sewing by the other equipment cannot be met. Therefore, a brand new technical means is provided to solve the problems.

Disclosure of Invention

The first aspect of the present invention provides a combined sewing device with dual systems, which not only can perform two different sewing operations, but also can be used in combination according to actual requirements to meet different requirements, so as to solve the problems of the client of the existing sewing device when another sewing function is needed and how to improve productivity and meet different sewing requirements on a limited field, wherein the main concept is as follows:

a sewing device comprises a sewing machine device, the sewing machine device comprises a machine head and a first control module of the sewing machine, the machine head comprises a machine shell, a needle bar, a presser foot bar, a main shaft and a motor, the motor is provided with an encoder, the motor and the encoder are respectively and electrically connected with the first control module, the motor is in transmission connection with the main shaft, the main shaft is in transmission connection with the needle bar, the first control module is provided with a pedal input port and a first control system, the first control system is a sewing machine control system,

the machine head is arranged on the sewing table, the middle presser foot device comprises a shell, a first power, a connector and a second control module, wherein the shell is provided with a first connecting part which is matched with the machine head, the shell is detachably connected with the shell through the first connecting part,

The first power is arranged on the shell and is in transmission connection with the connector which is detachably connected with the presser foot bar,

the second control module is electrically connected with the encoder and used for acquiring the running state of the main shaft in the machine head, and is also electrically connected with the pedal input port and used for sending a control signal to the machine head of the sewing machine;

the second control module is provided with a second control system, the first power is electrically connected with the second control module, and the first power is used for driving the presser foot bar to lift or put down. In the scheme, the sewing equipment has the function of a sewing machine by configuring a sewing machine device and configuring a machine head of the sewing machine in the sewing machine device; by arranging the sewing table, the sewing machine can be used as a working platform for sewing and can also support the machine head of the sewing machine; providing a mounting base by configuring the midfoot press and providing a housing in the midfoot press; by configuring the first connecting part, the device is arranged on the machine head of the existing sewing machine; the first power and the connector are configured, the first power is in transmission connection with the connector, and the connector is connected with the presser foot bar of the machine head, so that the first power can drive the presser foot bar to lift and put down through the connector; the second control system is configured, the first power is electrically connected with the second control module, and the second control module is electrically connected with the encoder, so that the running state of the main shaft in the machine head is obtained through the encoder, the second control module can control the lifting and lowering actions of the presser foot bar to be matched with the actions of the needle bar, the presser foot bar in the machine head can be used as the presser foot bar, the machine head of the sewing machine provided with the middle presser foot device has a middle presser foot function, and the function of the template machine is realized; the second control module is electrically connected with a pedal input port in the sewing machine, so that a control signal is sent to a machine head of the sewing machine through the pedal input port, and the machine head of the sewing machine is controlled by the second control module to perform sewing actions; the second control system is arranged in the second control module, and the second control module can control the machine head of the sewing machine to perform sewing action, and can also control the presser foot bar to perform matching action with the needle bar, so that the whole sewing equipment can perform sewing operation according to the second control system; when the sewing machine device is independently operated, the whole sewing equipment can perform sewing operation according to a sewing machine control system, so that the sewing equipment can perform two different sewing operations. Compared with the existing single-function sewing equipment, the sewing equipment is combined into the double-system sewing equipment in a detachable mode, on one hand, for a user who installs the sewing machine, the middle presser foot device can be arranged on the sewing machine according to the conception of the invention, so that the existing single-function sewing machine can be conveniently transformed into the double-system multifunctional sewing machine capable of performing two kinds of sewing operations, and the multifunctional sewing machine is very convenient and can obviously reduce the cost. On the other hand, the sewing equipment can realize two sewing operation modes under the condition that the size is kept unchanged or even smaller, more equipment can be installed on a limited field, the sewing yield is improved, different sewing operations can be carried out according to actual needs by a user, different sewing demands can be met, the universality is stronger, and the cost can be remarkably reduced.

Preferably, the second control system is a template machine control system or a pattern machine control system. When the second control system adopts the template machine control system, the sewing equipment can be used as a template machine and a sewing machine. When the second control system adopts a pattern machine control system, the sewing equipment can be used as a pattern machine and a sewing machine.

For convenient use and operation, further, the sewing machine device further comprises a first control panel, wherein the first control panel is arranged on the machine head, and the first control surface is electrically connected with the first control module. So that the relevant parameters are set or adjusted by the first control panel.

For convenient use and operation, further, the midfoot apparatus further comprises a second control panel disposed on the housing, the second control surface being electrically connected to the second control module. So that the relevant parameters are set or adjusted by the second control panel.

Further, the sewing machine device further comprises a pedal module of the sewing machine, and the pedal module is electrically connected with the first control module through the pedal input port. By configuring the pedal module, when the sewing device is used as a sewing machine, a user can control the sewing speed, control to start and stop sewing, control the stitch, the stitch and the like through the pedal module, and the sewing device is very convenient.

In order to facilitate the wiring operation, the device further comprises a first adapter, and the encoder is respectively connected with the first control module and the second control module through the first adapter.

In order to facilitate wiring operation, the pedal module further comprises a second adapter, and the pedal module is respectively connected with the pedal input port and the second control module through the second adapter.

The second aspect of the present invention is to solve the problem of improving the sewing precision of the second control system, and further, the middle foot pressing device further includes a blocking switch, where the blocking switch is connected in series between the foot module and the second adapter, and is used for controlling the on-off of the foot module and the second adapter. Through configuration blocking switch for when needing to utilize first control system to carry out sewing operation, can break off blocking switch for second control module is linked together with pedal input port only, and at this moment, pedal module inefficacy, even the staff bumps pedal module by mistake, also does not have signal transmission to pedal input port, realizes blocking to the signal, thereby can effectively prevent pedal module influence second control system's normal operating, thereby be favorable to improving second control system's sewing precision. And when the blocking switch is closed, the pedal input port is simultaneously communicated with the first control module and the second control module so as to synchronously transmit signals to the first control module and the second control module.

In order to be more convenient to use, further, the second control module is electrically connected with the blocking switch, and the on-off of the blocking switch is controlled by the second control module.

For being convenient for make up and assemble according to actual demand, further, still include master switch and power plug, sewing machine device still includes the first power module that is used for supplying power, well presser foot device still includes the second power module that is used for supplying power, power plug pass through the wire with master switch links to each other, master switch respectively with first power module and second power module link to each other. Through configuration first power module and second power module to utilize first power module and second power module to supply power to sewing machine device and well presser foot device respectively, when on-the-spot assembly, only need with the second power module of well presser foot device with the master switch link to each other can, very convenient, simple, the user of being more convenient for makes up and assembles according to actual demand.

The third aspect of the present invention is to solve the problem that the sewing machine device has an auxiliary presser foot function, further, the middle presser foot device further comprises an auxiliary presser foot module, the auxiliary presser foot module comprises a second power, an auxiliary presser bar and an auxiliary presser foot, the second power is installed on the shell, the auxiliary presser bar is vertically restrained on the shell in a movable way, the lower end of the auxiliary presser bar extends out of the shell, the auxiliary presser foot is installed at the lower end of the auxiliary presser bar,

The second power is in transmission connection with the auxiliary pressing rod, the second control module is used for controlling the second power, and the second power is used for driving the auxiliary pressing foot to lift or put down. Therefore, the sewing equipment has the auxiliary presser foot function, and when the sewing equipment is used as a template machine or a pattern machine, the sewing equipment has the auxiliary presser foot function, so that better sewing effect is realized.

Preferably, the first power is an electric motor.

Preferably, the second power is an air cylinder or a hydraulic cylinder or an electric cylinder.

Further, the sewing machine also comprises an XY module, wherein the XY module comprises an X-direction movement module arranged on the sewing table and a Y-direction movement module connected with the X-direction movement module in a transmission way, a bracket connected with the Y-direction movement module in the transmission way, and a plurality of clamping heads for clamping the pressing frame are arranged on the bracket; the X-direction movement module and the Y-direction movement module are respectively and electrically connected with the second control module. Through configuration XY module to utilize second control module control XY module, needle bar and presser foot pole cooperation action.

Further, the sewing table comprises a frame and a bedplate arranged on the frame, and the machine shell is connected to the frame. The frame plays a supporting role, and the table plate can be used as a workbench during sewing.

The fourth aspect of the present invention is to solve the problem of quick connection of the presser foot bar and improvement of assembly efficiency, and further includes a fastener, the connector is configured with a clamping portion for adapting to the presser foot bar and a lock hole for adapting to the fastener, the clamping portion includes two clamping arms, a clamping opening for clamping the presser foot bar is provided between the two clamping arms, the clamping portion is used for clamping the presser foot bar along a radial direction of the presser foot bar, and the fastener is used for tightening the two clamping arms in the clamping portion. During assembly, the connector can be clamped into the presser foot bar along the radial direction on the side surface of the presser foot bar, the presser foot bar is clamped by the clamping arms, and then the two clamping arms are locked by the matching of the fastener and the lock hole, so that lateral assembly is realized; the whole assembly process does not need to disassemble the presser foot bar or change the structure of the existing sewing machine, can simply and efficiently complete the assembly work, and can remarkably improve the assembly efficiency.

Preferably, a first opening is formed at one side of the housing, the first connection part includes at least two first mounting holes, and the first connection parts are arranged along a circumferential direction of the first opening and correspond to the mounting holes on the housing respectively. So that the shell is butt-jointed and mounted at the end of the existing sewing machine shell from the side direction by the first connecting part, and the interior of the shell can be communicated with the interior of the sewing machine shell through the first opening, so that the shell can replace the existing front cover and be mounted at the position of the front cover.

Preferably, the first power is in transmission connection with the connector through a first transmission mechanism, the first transmission mechanism comprises a crank and a connecting rod, one end of the crank is in transmission connection with the first power, the first power is used for driving the crank to rotate, and two ends of the connecting rod are respectively and rotatably connected with the crank and the connector. So as to drive the crank to rotate by the first power and drive the connector to vertically lift by the rotation of the crank so as to drive the presser foot bar to move up and down, thereby achieving the purpose of lifting the middle presser foot.

In order to solve the problem of using the existing sewing machine to quickly and inexpensively mold the dual-system sewing equipment, the fifth aspect of the invention provides a method for constructing the sewing equipment, comprising the following steps:

preparing a set of middle foot pressing device, preparing a set of XY module and a sewing machine, wherein the sewing machine comprises a machine head, a first control module and a sewing table;

disassembling a front cover at the end part of a sewing machine head, connecting a connector in a middle presser foot device with a presser foot bar, and fixing a shell in the middle presser foot device at the end part of a shell by using a fastener;

the second control module in the middle-pressure foot device is electrically connected with a motor encoder of a main shaft in the sewing machine by utilizing a lead, so that the second control module obtains the running state of the main shaft in the machine head through the encoder;

The second control module in the middle-pressure foot device is electrically connected with a pedal input port in the sewing machine by a lead, so that the second control module sends a control signal to a machine head of the sewing machine through the pedal input port;

and installing the XY module on a sewing table, electrically connecting the XY module with a second control module in the middle-pressure foot device, and controlling the XY module to act by using the second control module. By adopting the method, the existing sewing machine can be conveniently, efficiently and cost-effectively transformed into the sewing equipment with the double systems, and users who are provided with the sewing machine do not need to detach and move away the prior sewing machine, and the existing sewing machine can be fully utilized, so that the cost can be effectively reduced.

The sixth aspect of the present invention provides a method for constructing a dual-system sewing device, which solves the problem of quick and low-cost construction of the sewing device, and includes the following steps:

preparing a set of middle foot pressing device, preparing a set of XY module, a sewing table and a set of sewing machine device, wherein the sewing machine device comprises a machine head of a sewing machine and a first control module matched with the machine head;

the XY module and the machine head are respectively arranged on the sewing table, and the first control module is arranged on the machine head or the sewing table;

Disassembling a front cover at the end part of a sewing machine head, connecting a connector in a middle presser foot device with a presser foot bar, and fixing a shell in the middle presser foot device at the end part of a shell by using a fastener;

the second control module in the middle-pressure foot device is electrically connected with a motor encoder of a main shaft in the sewing machine by utilizing a lead, so that the second control module obtains the running state of the main shaft in the machine head through the encoder;

the second control module in the middle-pressure foot device is electrically connected with a pedal input port in the sewing machine by a lead, so that the second control module sends a control signal to a machine head of the sewing machine through the pedal input port;

and electrically connecting the XY module with a second control module in the medium-voltage pin device, and controlling the XY module to act by using the second control module. By adopting the method, a set of brand new sewing equipment with double systems can be quickly built at low cost, the novel sewing equipment can be used as a sewing machine and can be used as a template machine or a pattern machine, so that two sewing operation modes can be realized in the same sewing equipment under the condition that the size is kept unchanged or even smaller, more equipment can be installed on a limited field, the sewing productivity is improved, different sewing operations can be carried out by a user according to actual needs, different sewing demands are met, the universality is stronger, and the cost is remarkably reduced.

Compared with the prior art, the sewing equipment and the method for constructing the sewing equipment are combined into the sewing equipment with the double systems in a detachable mode, on one hand, for a user who installs the sewing machine, the middle presser foot device can be arranged on the sewing machine according to the conception of the invention, so that the existing sewing machine with single sewing function can be conveniently transformed into the sewing equipment with the double systems, the sewing equipment is very convenient, and the cost can be remarkably reduced. On the other hand, the sewing equipment can realize two sewing operation modes under the condition that the size is kept unchanged or even smaller, more equipment can be installed on a limited field, the sewing productivity is improved, different sewing operations can be carried out according to actual needs by a user, different sewing demands can be met, the universality is stronger, and the cost can be remarkably reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a conventional sewing machine head.

Fig. 2 is a left side view of a conventional sewing machine head.

Fig. 3 is a front view of a conventional sewing machine after a front cover is detached.

Fig. 4 is a top view of a sewing apparatus according to embodiment 1 of the present invention.

Fig. 5 is a partial front view of fig. 4.

Fig. 6 is a schematic diagram of a system connection in a sewing apparatus according to embodiment 1 of the present invention.

Fig. 7 is a schematic view of power supply in a sewing device according to embodiment 1 of the present invention.

Fig. 8 is a schematic structural diagram of a first midfoot apparatus according to embodiment 1 of the invention.

Fig. 9 is a second schematic structural diagram of the first midfoot apparatus according to embodiment 1 of the invention.

Fig. 10 is a schematic structural diagram of a second midfoot device according to embodiment 1 of the invention.

Fig. 11 is a second schematic structural diagram of a second midfoot apparatus according to embodiment 1 of the invention.

Fig. 12 is a schematic view of the middle presser device shown in fig. 11 after the front cover is mounted.

Fig. 13 is a schematic view of the structure of the middle presser device shown in fig. 12 after the middle presser device is connected to the presser bar.

Fig. 14 is a schematic view of the middle presser device provided in embodiment 1 of the present invention, in which the connector is laterally connected to the presser bar along the radial direction of the presser bar, and the arrow with dotted lines in the figure represents the moving direction of the connector.

Fig. 15 is a schematic diagram of a system connection in a sewing apparatus according to embodiment 2 of the present invention.

Description of the drawings

Middle presser foot device 1, middle presser foot 11 and second control module 12

The housing 2, the first opening 21, the first mounting hole 22, the second opening 23, the second mounting hole 24, the vertical guide portion 25

First power 3, crank 31, connecting rod 32, connector 33, clamping arm 34, clamping opening 35 and lock hole 36

Fastener 4

Second power 5, auxiliary compression bar 51, auxiliary presser foot 52, guide block 53

Head 6, motor 60, casing 61, fitting opening 62, fitting hole 63, needle bar 64, presser foot bar 65, front cover 66, presser foot 67, foot module 68, foot input port 69 of sewing machine

A first control module 71, an encoder 72, a first adapter 73, a second adapter 74, a blocking switch 75, a first power module 76, a second power module 77, a main switch 78, a power plug 79

XY module 8, bracket 81

A sewing table 9.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.

Example 1

The embodiment provides a sewing device, comprising a sewing machine device, a middle presser device 1 and a sewing table 9, wherein,

the sewing machine device comprises a machine head 6 and a first control module 71 of the existing sewing machine, when in implementation, the machine head 6 of the sewing machine can be preferentially a machine head 6 of a computer sewing machine (or the machine head 6 of a flat sewing machine), the machine head 6 is a main part of the computer sewing machine and generally comprises four mechanisms of a material puncturing mechanism, a thread hooking mechanism, a thread picking mechanism and a feeding mechanism, and auxiliary mechanisms such as a winding mechanism, a material pressing mechanism and a thread falling mechanism, wherein the motions of the mechanisms are reasonably matched and circularly work, so that the materials are sewn. In practice, the first control module 71 is a control module of an existing sewing machine. For convenience of description, in this embodiment, the handpiece 6 includes a housing 61, a needle bar 64, a presser foot bar 65, a spindle, and a motor 60, where the motor 60 is configured with an encoder 72, as shown in fig. 1 and 6, and the motor 60 is electrically connected to the first control module 71, and meanwhile, the motor 60 is in transmission connection with the spindle to drive the spindle to rotate, and the spindle is in transmission connection with the needle bar 64 to drive the needle bar 64 by the spindle to perform a puncturing operation, and in implementation, an organic needle is further mounted at an end of the needle bar 64. In this embodiment, the encoder 72 is also electrically connected to the first control module 71, so that the first control module 71 can obtain the running state of the motor 60 through the encoder 72, and the motor 60 is in transmission connection with the spindle, so that the purpose of obtaining the running state of the spindle in the machine head 6 can be achieved, so as to perform accurate sewing control.

The conventional sewing machine further includes a foot pedal module 68 (or referred to as foot pedal module 68), and at the same time, the first control module 71 is provided with a foot pedal input port 69, and the foot pedal module 68 is electrically connected to the first control module 71 through the foot pedal input port 69, as shown in fig. 6. In the conventional sewing machine, the pedal module 68 generally includes a foot pedal, through which a user can control and adjust the operation of the sewing machine, and the first control module 71 receives signals from the pedal module 68 and performs corresponding control of the sewing machine, such as control of a sewing speed, a sewing direction, etc., according to the signals. Specifically, the main functions of the foot module 68 include: first, control the sewing speed: when an operator steps on the foot pedal, a signal is sent to the first control module 71, after the first control module 71 receives the signal, the signal is processed according to a preset program and algorithm, and a corresponding instruction is sent to the motor 60, so that the rotating speed and the motion state of the motor 60 are controlled, and the operator can change the speed of the sewing machine head 6 at any time according to the requirement. Second, control starts and stops sewing: foot pedal module 68 also typically includes a start and stop switch that an operator can start or stop the operation of the sewing machine (head 6) by depressing or releasing a foot pedal. Third, control stitch and stitch: some sewing machine foot modules 68 also allow the operator to control the stitch density and stitch pattern by the force and speed of the foot. Fourth, control other functions: depending on the design and function of the existing sewing machine, the foot module 68 may also include control switches for other functions, such as controlling needle replacement, filament winding, etc. It can be seen that the relationship between the foot pedal module 68 and the first control module 71 is closely related, and that they cooperate to effect the operation and control of the sewing machine head 6. Accordingly, in the present embodiment, the first control module 71 is configured with the foot input port 69 and the first control system, as shown in fig. 6, and accordingly, the sewing machine apparatus can also be configured with the foot module 68 of the existing sewing machine, the foot module 68 being connected to the foot input port 69 by a wire so as to be electrically connected to the first control module 71 through the foot input port 69. When the sewing machine is used as a sewing machine, an operator can control the sewing speed, control the starting and stopping of sewing, control the stitch, etc. through the pedal module 68, which is very convenient. The first control system is a sewing machine control system configured in an existing sewing machine control module, and the existing machine head 6 can perform sewing operation under the control of the sewing machine control system.

In the present embodiment, the middle presser device 1 includes a housing 2, a first power 3, a connector 33, and a second control module 12, wherein the shape of the housing 2 is preferably adapted to the shape of a casing 61 in the sewing machine head 6, as shown in fig. 8 to 13, depending on the actual requirements. In practice, the housing 2 is internally configured with an internal assembly cavity for mounting the required devices or mechanisms, while the housing 2 is also configured with a first connection portion adapted to the sewing machine head 6 for detachably mounting the housing 2 to the head 6 of an existing sewing machine via the first connection portion.

As an example, one side of the housing 2 is configured with a first opening 21, and as shown in fig. 8 and 10, the first connection portion may be arranged in a circumferential direction of the first opening 21 so that the housing 2 is butt-mounted to an end portion of the existing sewing machine housing 61 from a lateral direction (i.e., a radial direction) through the first connection portion, and so that an inside of the housing 2 may communicate with an inside of the sewing machine housing 61 through the first opening 21 for assembly and driving connection of the connection head 33 with the presser foot bar 65. At this time, the other side of the housing 2 may be in a closed state as shown in fig. 9. Of course, in a more preferred embodiment, the other side of the housing 2 is further configured with a second opening 23, and the first opening 21 and the second opening 23 may be respectively communicated with the internal assembly chambers, so that the first opening 21 and the second opening 23 may be mutually communicated, as shown in fig. 10 and 11, so that the assembly and maintenance work through the second opening 23 is very convenient. Accordingly, a second connection portion for connecting the front cover 66 is also configured along the circumferential direction of the second opening 23 so as to close the second opening 23 with the front cover 66, as shown in fig. 12 and 13, to perform the functions of waterproofing, dust proofing, and the like. In implementation, the front cover 66 may be configured by assembling the middle presser foot 11, or may be the front cover 66 of the head 6 of the existing sewing machine, so that the middle presser foot device 1 may be just installed between the front cover 66 and the casing 61 of the existing sewing machine, and the functions of modularized assembly and disassembly are achieved.

In this embodiment, the first power 3 is mounted on the housing 2, and the first power 3 may be connected to the connector 33 through a transmission of the first transmission mechanism, and the connector 33 is detachably connected to the presser foot bar 65 in the sewing machine head 6, as shown in fig. 13, so that the first power 3 may drive the presser foot bar 65 to lift and lower through the connector 33. Meanwhile, the first power 3 is electrically connected with the second control module 12 so as to control the first power 3 using the second control module 12.

In practice, the first power 3 may preferably be an electric motor or a motor, and in this embodiment, the first power 3 is an electric motor, such as a servo motor, for example. In the implementation, as shown in fig. 8, 10 and 13, the first transmission mechanism has various embodiments, as an example, the first transmission mechanism includes a crank 31 and a connecting rod 32, one end of the crank 31 is in transmission connection with the first power 3, the first power 3 is used for driving the crank 31 to rotate, two ends of the connecting rod 32 are respectively and rotatably connected with the crank 31 and the connecting head 33, and in the implementation, the rotatable connection can be realized through the cooperation of a hinge hole and a hinge piece (such as a hinge shaft and a pin), in this embodiment, the first power 3 can drive the crank 31 to rotate and drive the connecting head 33 to move up and down by utilizing the rotation of the crank 31 so as to drive the presser foot bar 65 to lift or put down, thereby achieving the purpose of lifting the middle presser foot 11 mounted on the presser foot bar 65.

In practice, the connector 33 has various embodiments, only needs to detachably connect the presser foot bar 65, and the detachable connection of the presser foot bar 65 is not only convenient for installation and detachment, but also more beneficial to realizing connection between the connector 33 and the presser foot bar 65 without detaching the presser foot bar 65 and the existing sewing machine head 6, thereby being very convenient and remarkably improving the universality. In practice, the connection head 33 may be a clamp, a clip, a buckle, a latch structure, a magnetic attraction structure, etc., and the connection of the presser foot bar 65 of the connection head 33 may be realized without detaching the presser foot bar 65. In order to improve the assembly efficiency, in a preferred embodiment, the connector 33 is configured with a clamping portion and a locking hole 36 for adapting the presser foot bar 65, the clamping portion includes two clamping arms 34, as shown in fig. 13-14, a clamping opening 35 for clamping the presser foot bar 65 is provided between the two clamping arms 34, so that the clamping portion can clamp the presser foot bar 65 from the side surface of the presser foot bar 65 along the radial direction of the presser foot bar 65 through the clamping opening 35, correspondingly, the connector also includes a fastener 4 for adapting the locking hole 36, after the presser foot bar 65 is clamped between the two clamping arms 34, the two clamping arms 34 in the clamping portion can be tightened by using the cooperation of the fastener 4 and the locking hole 36, so as to achieve the purpose of efficiently connecting the presser foot bar 65. The connector 33 can be conveniently assembled laterally, and the presser foot bar 65 is not required to be disassembled in the assembling process, so that the cost is lower and the universality is better. In practice, the locking holes 36 and the fastener 4 have various mating embodiments, respectively, for example, in one embodiment, the two clamping arms 34 are configured with locking holes 36, respectively, and the two locking holes 36 correspond, and the two locking holes 36 may be located inside the clamping ports 35, respectively, as shown in fig. 13-14. In practice, the locking hole 36 may be a through hole or a threaded hole, and accordingly, the fastener 4 may be a bolt or a bolt pair (including a bolt and a nut). So that the two clamp arms 34 can be tightened or released by the engagement of the fastener 4 with the locking hole 36, thereby facilitating the rapid lateral assembly.

In the conventional sewing machine head 6, the end portion of the casing 61 is configured with an assembly port 62, and as shown in fig. 1 to 3, the assembly port 62 is configured with a plurality of assembly holes 63 in the circumferential direction, the assembly holes 63 are usually screw holes, and the front cover 66 is fixed to the end portion of the casing 61 by bolts or screws or the like which are fitted into the assembly holes 63. In practice, the first connection portion may be adapted to the mounting hole 63 in the sewing machine head 6, for example, the first connection portion may include at least two first mounting holes 22, as shown in fig. 8, 10 and 13, where each first mounting hole 22 corresponds to the mounting hole 63 at the end of the casing 61 in the sewing machine, and the mounting hole 63 is typically a threaded hole, and accordingly, the first mounting hole 22 may be a through hole, a threaded hole, a bar hole, etc. so as to mount the housing 2 to the casing 61 of the sewing machine by adapting the first mounting hole 22 and the fastener 4 of the mounting hole 63 to close the second opening 23. When the housing 2 is provided with the second connecting portion, the second connecting portion may include a plurality of studs or second mounting holes 24 adapted to the front cover 66 of the sewing machine, and the second mounting holes 24 may be threaded holes or through holes, etc. so as to assemble the front cover 66 of the existing sewing machine to the housing 2 of the midfoot device 1. In a preferred embodiment, the second mounting holes 24 may correspond to the first mounting holes 22, and the second mounting holes 24 may or may not communicate with the corresponding first mounting holes 22.

In the present embodiment, the assembly of the mechanical part is substantially completed after the housing 2 of the center presser device 1 is mounted to the housing 61 of the sewing machine head 6 and the connector 33 is connected to the presser bar 65 of the sewing machine head 6. In terms of electrical control, the second control module 12 is electrically connected to the encoder 72, as shown in fig. 6, so that the running state of the main shaft in the machine head 6 can be obtained through the encoder 72, that is, the encoder 72 can be electrically connected to the first control module 71 and the second control module 12, respectively, so that the first control module 71 and the second control module 12 can obtain the running state of the main shaft in the machine head 6, respectively, and thus the state of the whole sewing machine head 6 can be obtained. In order to facilitate the wiring operation, in practice, the encoder 72 may further include a first adapter 73, as shown in fig. 6, to which the first adapter 73 may be connected by wires, and the first adapter 73 may be connected to the first control module 71 and the second control module 12, respectively, by wires. In practice, by configuring the first adapter 73, both the wiring operation and the transmission of the signal of the encoder 72 to the first control module 71 and the second control module 12 are facilitated. In practice, the first adapter 73 may be an existing adapter, such as a two-to-one adapter.

In this embodiment, the second control module 12 is also electrically connected to a foot pedal input port 69 of the sewing machine device so as to send a control signal to the head 6 of the sewing machine through the foot pedal input port 69, so that the head 6 of the sewing machine is controlled to perform a sewing action by the second control module 12. To facilitate the wiring operation, in implementation, the second adapter 74 is further included, as shown in fig. 6, where the pedal module 68 may be connected to the second adapter 74 by a wire, and the second adapter 74 may be connected to the pedal input port 69 and the second control module 12 by a wire, respectively, so that the pedal module 68, the pedal input port 69, and the second control module 12 may be mutually communicated. Therefore, in actual operation, the signals generated by the pedal module 68 may be sent to the first control module 71 and the second control module 12, respectively, and at the same time, the second control module 12 may also obtain the operation state of the sewing machine device through the pedal module 68 or the first control module 71, where the operation state includes the parameters of the main shaft, the parameters of the sewing machine device, and the like, and the second control module 12 may also send a control signal to the first control module 71 through the pedal input port 69, so as to control the machine head 6 to perform the sewing operation by using the first control module 71.

In this embodiment, a second control system is configured in the second control module 12, and the second control system may preferably adopt a template machine control system or a pattern machine control system. In this embodiment, the second control module 12 can control the first power 3, and the second control module 12 can also control the machine head 6, so that the second control module 12 can control the lifting and lowering actions of the presser bar 65 and the actions of the needle bar 64 to match, so that the presser bar 65 in the sewing machine head 6 can be used as the presser bar 65, so that the sewing machine head 6 provided with the middle presser device 1 has the middle presser 11 function, and when the second control system is independently operated, the presser 67 at the lower end of the presser bar 65 can be replaced with the middle presser 11, so that when the second control system adopts a template machine control system, the sewing device can be used as a template machine as well as a sewing machine. When the second control system adopts a pattern machine control system, the sewing equipment can be used as a pattern machine and a sewing machine. In practice, the second control module 12 may be a control module within an existing stencil machine (including a controller and motor drive) or within a pattern machine. It should be understood that, in this embodiment, the second control system refers to software configured in the second control module 12, and the prior art may be fully adopted, which is not described herein.

For ease of use and operation, in a more sophisticated version, the sewing machine device further comprises a first control panel, which may be provided to the head 6, the first control panel being electrically connected to the first control module 71 so as to set or adjust the relevant parameters through the first control panel. Similarly, the middle presser device 1 may further include a second control panel, where the second control panel may be disposed on the housing 2, and the second control surface is electrically connected to the second control module 12, so as to set or adjust related parameters through the second control panel.

In practice, the head 6 may be mounted on a sewing table 9, and as shown in fig. 4 and 5, the sewing table 9 may serve as a work platform for sewing or may support the head 6 of the sewing machine. The sewing table 9 may be implemented by using a conventional structure, and as an example, the sewing table 9 includes a frame and a table plate disposed on the frame, as shown in fig. 4 and 5, a casing 61 is connected to the frame, the frame plays a supporting role, and the table plate may be used as a workbench during sewing.

In a more perfect scheme, the device further comprises an XY module 8, as shown in fig. 4, the XY module 8 can be an XY module 8 commonly used in the existing plate molding machine or pattern machine, and is mainly used for adjusting the position of the pressing frame. In this embodiment, the XY module 8 includes an X-direction moving module set on the sewing table 9, a Y-direction moving module connected with the X-direction moving module in a transmission manner, and a support 81 connected with the Y-direction moving module in a transmission manner, where the support 81 is configured with a plurality of clamping heads for clamping the press frame, as shown in fig. 4, the clamping heads are typically pneumatic clamping heads; the X-direction movement module and the Y-direction movement module can be electrically connected with the second control module 12 through wires respectively, so that the second control module 12 is utilized to control the XY module 8, the needle bar 64 and the presser foot bar 65 to cooperatively cooperate, so that the functions of the template machine or the pattern machine can be better realized. In implementation, the X-direction motion module and the Y-direction motion module can be existing linear modules respectively, which are very mature technologies and are not described herein.

Of course, in a more sophisticated version, a main switch 78 and a power plug 79 are also included, as shown in FIG. 7, wherein the sewing machine device further includes a first power module 76 for supplying power, as shown, the first power module 76 being for powering the various electrical appliances within the sewing machine device. Meanwhile, the midfoot device 1 further comprises a second power supply module 77 for supplying power to each electric appliance in the midfoot device 1 by using the second power supply module 77. As shown in fig. 7, in the implementation, the power plug 79 may be connected to the main switch 78 through a wire, the main switch 78 may be connected to the first power module 76 and the second power module 77, respectively, and in the use, the power plug 79 may be connected to the mains, and the main switch 78 may control the on-off of the power in the whole device.

In practice, the first power module 76 may be disposed in the casing 61 of the machine head 6 or may be disposed in the sewing table 9. The second power module 77 may be provided in the housing 2 of the middle presser foot device 1 or may be provided in the sewing table 9. Similarly, in the implementation, the first control module 71 may be disposed in the casing 61 of the machine head 6 or may be disposed in the sewing table 9. The second control module 12 may be provided in the housing 2 of the middle presser device 1 or may be provided in the sewing table 9.

In actual use, the head 6 of the sewing apparatus can perform the sewing operation of the sewing machine under the control of the first control module 71 (provided with the first control system), and at this time, the sewing apparatus can perform the function of the sewing machine. The machine head 6 in the sewing device can also realize a second type of sewing operation under the control of the second control module 12 (provided with a second control system), and at this time, the sewing device can realize the function of a template machine or the function of a pattern machine, so that the sewing device can perform two different sewing operations. More specifically, in actual use, when the present sewing machine is used as a sewing machine, the presser foot 67 is mounted on the lower end of the presser bar 65, and when the present sewing machine is used as a template machine or a pattern machine, the presser foot 11 is mounted on the lower end of the presser bar 65, and the presser bar 65 corresponds to the presser bar 65 of the template machine or pattern machine.

Example 2

In order to solve the problem of improving the sewing precision of the second control system, the main difference between the embodiment 2 and the embodiment 1 is that, in the sewing apparatus provided in the present embodiment, the middle presser foot device 1 further includes a blocking switch 75, as shown in fig. 15, the blocking switch 75 is connected in series between the foot module 68 and the second adapter 74, and is used for controlling the on-off of the foot module 68 and the second adapter 74. When the control system is implemented, the blocking switch 75 is configured, so that when the first control system is required to be utilized for sewing operation, the blocking switch 75 can be disconnected, the second control module 12 is only communicated with the pedal input port 69, at the moment, the pedal module 68 fails, only the second control module 12 is communicated with the pedal input port 69, even if a worker touches the pedal module 68 by mistake, no signal is transmitted to the pedal input port 69, blocking of the signal is realized, and therefore the pedal module 68 can be effectively prevented from affecting normal operation of the second control system, and the sewing precision of the second control system is improved. And when the blocking switch 75 is closed, the foot input port 69 communicates with both the first control module 71 and the second control module 12 to simultaneously transmit signals to the first control module 71 and the second control module 12.

In practice, the blocking switch 75 may be a manual switch to be manually turned on and off. The blocking switch 75 may also be a switch capable of realizing remote control in the prior art, as shown in fig. 15, at this time, the second control module 12 may be electrically connected to the blocking switch 75, so that the blocking switch 75 is controlled to be opened or closed by using the second control module 12, which is beneficial to more convenient use. In practice, when it is desired to use as a template machine or a pattern machine, the blocking switch 75 can be closed so that the foot module 68 communicates with the foot input port 69 to control the head 6 with the second control module 12 for the sewing operation.

Example 3

In order to solve the problem that the sewing device has the function of the auxiliary presser foot 52, the main difference between the embodiment 3 and the above embodiment is that, in the sewing device provided in this embodiment, the middle presser foot device 1 further includes an auxiliary presser foot module, the auxiliary presser foot module includes a second power 5, an auxiliary presser bar 51 and the auxiliary presser foot 52, the second power 5 is mounted on the housing 2, and when in implementation, the second power 5 may preferably be a cylinder or a hydraulic cylinder or an electric cylinder. The auxiliary pressing bar 51 is vertically restrained movably to the housing 2, and the lower end of the auxiliary pressing bar 51 extends out of the housing 2 as shown in fig. 8 to 13, and the auxiliary presser foot 52 is mounted to the lower end of the auxiliary pressing bar 51 as shown in fig. 11.

In this embodiment, the second power 5 is in driving connection with the auxiliary pressing rod 51, and the second control module 12 is used for controlling the second power 5, so that the second power 5 can drive the auxiliary presser foot 52 to lift or put down, thereby enabling the device to have the function of the auxiliary presser foot 52, and enabling the device to also have the function of the auxiliary presser foot 52 when the device is used as a template machine or a pattern machine.

In a more sophisticated solution, the housing 2 is further provided with a vertical guide portion 25, as shown in fig. 11, the vertical guide portion 25 may be a guide groove or a guide rail, and correspondingly, the auxiliary pressing rod 51 is further connected with a guide block 53 adapted to the vertical guide portion 25, and the guide block 53 is movably restrained to the vertical guide portion 25, so as to guide the up-and-down lifting motion of the auxiliary pressing rod 51 through the cooperation of the guide block 53 and the vertical guide portion 25.

Example 4

Embodiment 4 provides a method of constructing the above sewing apparatus, comprising the steps of:

step 1, preparing a set of the middle presser device 1, preparing a set of XY module 8 and a sewing machine, wherein the sewing machine can preferably adopt the existing flat sewing machine, and comprises a machine head 6, a first control module 71 and a sewing table 9.

Step 2, detaching the front cover 66 at the end of the sewing machine head 6 so that the assembly holes 63 at the end of the casing 61 are exposed, as shown in fig. 3; connecting the connector 33 in the middle presser foot device 1 from the presser bar 65 to the presser bar 65, as shown in fig. 13, so that the first power 3 can drive the presser bar 65 in the sewing machine to lift or lower (i.e. move up and down); and the housing 2 of the midfoot apparatus 1 is fixed to the end of the shell 61 by the fastener 4 as shown in fig. 4 and 5. In case the midfoot apparatus 1 is provided with the second opening 23, said front cover 66 may be fixed to the housing 2 of the midfoot apparatus 1 in order to close the midfoot apparatus 1.

Step 3, the second control module 12 in the middle presser device 1 is electrically connected with the motor encoder 72 of the main shaft in the sewing machine by using a wire, as shown in fig. 6, so that the second control module 12 can acquire the running state of the main shaft in the machine head 6 through the encoder 72. In practice, each wire of the motor 60 may be electrically connected to the second control module 12, or only the wire of the motor 60 corresponding to the encoder 72 may be electrically connected to the second control module 12.

Step 4, the second control module 12 in the middle presser device 1 is electrically connected with the foot input port 69 in the sewing machine by a wire. As shown in fig. 6, so that the second control module 12 can send control signals to the head 6 of the sewing machine through the foot input port 69.

And 5, installing the XY module 8 on a sewing table 9, as shown in fig. 4, and electrically connecting the XY module 8 with a second control module 12 in the middle presser device 1 so as to control the XY module 8 to operate by using the second control module 12.

By adopting the method, the existing sewing machine (such as a flat sewing machine) can be conveniently, efficiently and cost-effectively transformed into the sewing equipment with the double systems, and the sewing equipment can be used as the sewing machine and can also be used as a template machine or a pattern machine. The method is particularly suitable for occasions where the sewing machine is installed and the template machine function or the pattern machine function is required.

Example 5

Embodiment 5 provides a method of constructing the above sewing apparatus, comprising the steps of:

step 1, preparing a set of the middle presser device 1, and preparing a set of the XY module 8, the sewing table 9 and a set of the sewing machine device, wherein the sewing machine device comprises a machine head 6 of the sewing machine and a first control module 71 matched with the machine head 6.

In step 2, the XY module 8 and the head 6 are respectively mounted on the sewing table 9, and the first control module 71 is mounted in the head 6 or mounted on the sewing table 9, as shown in fig. 4.

Step 3, detaching the front cover 66 at the end of the sewing machine head 6 so that the assembly holes 63 at the end of the casing 61 are exposed, as shown in fig. 3; connecting the connector 33 in the middle presser foot device 1 to the presser foot bar 65, as shown in fig. 13, so that the first power 3 can drive the presser foot bar 65 in the sewing machine to lift or lower (i.e. move up and down); and the housing 2 of the midfoot apparatus 1 is fixed to the end of the shell 61 by the fastener 4 as shown in fig. 4 and 5. In case the midfoot apparatus 1 is provided with the second opening 23, said front cover 66 may be fixed to the housing 2 of the midfoot apparatus 1 in order to close the midfoot apparatus 1.

Step 4, the second control module 12 in the middle presser device 1 is electrically connected with the motor encoder 72 of the main shaft in the sewing machine by using a wire, as shown in fig. 6, so that the second control module 12 can acquire the running state of the main shaft in the machine head 6 through the encoder 72. In practice, each wire of the motor 60 may be electrically connected to the second control module 12, or only the wire of the motor 60 corresponding to the encoder 72 may be electrically connected to the second control module 12.

Step 5, the second control module 12 in the middle presser device 1 is electrically connected with the pedal input port 69 in the sewing machine by using a wire, as shown in fig. 6, so that the second control module 12 can send a control signal to the head 6 of the sewing machine through the pedal input port 69.

Step 6, the XY module 8 is electrically connected to the second control module 12 in the middle-presser device 1, as shown in fig. 6, so as to control the XY module 8 to operate by using the second control module 12.

By adopting the method, a set of brand new sewing equipment with double systems can be produced, and the novel sewing equipment can be used as a sewing machine and can be used as a template machine or a pattern machine, so that two sewing operation modes can be realized in the same sewing equipment under the condition that the size is kept unchanged or even smaller, more equipment can be installed on a limited field, the sewing yield is improved, and a user can perform different sewing operations according to actual needs, thereby meeting different sewing requirements, having stronger universality and remarkably reducing the cost.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention.

Claims (10)

1. The sewing equipment comprises a sewing machine device, wherein the sewing machine device comprises a machine head of the sewing machine and a first control module, the machine head comprises a machine shell, a needle bar, a presser bar, a main shaft and a motor, the motor is provided with an encoder, the motor and the encoder are respectively electrically connected with the first control module, the motor is in transmission connection with the main shaft, the main shaft is in transmission connection with the needle bar, the first control module is provided with a pedal input port and a first control system, the first control system is a sewing machine control system, and the sewing equipment is characterized by further comprising a middle presser bar device and a sewing table,

the machine head is arranged on the sewing table, the middle presser foot device comprises a shell, a first power, a connector and a second control module, wherein the shell is provided with a first connecting part which is matched with the machine head, the shell is detachably connected with the shell through the first connecting part,

the first power is arranged on the shell and is in transmission connection with the connector which is detachably connected with the presser foot bar,

the second control module is electrically connected with the encoder and used for acquiring the running state of the main shaft in the machine head, and is also electrically connected with the pedal input port and used for sending a control signal to the machine head of the sewing machine;

The second control module is provided with a second control system, the first power is electrically connected with the second control module, and the first power is used for driving the presser foot bar to lift or put down.

2. The sewing apparatus of claim 1, wherein the second control system is a template machine control system or a pattern machine control system.

3. The sewing apparatus of claim 1, wherein the sewing machine arrangement further comprises a first control panel, the first control panel being disposed at the head, the first control surface being electrically connected to the first control module;

and/or, the midfoot device further comprises a second control panel, the second control panel is arranged on the shell, and the second control surface is electrically connected with the second control module.

4. The sewing apparatus of claim 1, wherein the sewing machine arrangement further comprises a foot pedal module of the sewing machine, the foot pedal module being electrically connected to the first control module through the foot pedal input port.

5. The sewing apparatus of claim 4, further comprising a first adapter, the encoder being coupled to the first control module and the second control module, respectively, via the first adapter;

And/or, the pedal module is further provided with a second adapter, and the pedal module is respectively connected with the pedal input port and the second control module through the second adapter.

6. The sewing apparatus of claim 4, further comprising a main switch and a power plug, wherein the sewing machine device further comprises a first power module for supplying power,

the middle pin pressing device further comprises a second power module for supplying power, the power plug is connected with the main switch through a wire, and the main switch is respectively connected with the first power module and the second power module.

7. The sewing apparatus of claim 1, wherein the middle presser foot device further comprises an auxiliary presser foot module comprising a second power, an auxiliary presser bar, and an auxiliary presser foot, the second power being mounted to the housing, the auxiliary presser bar being movably vertically restrained to the housing, and a lower end of the auxiliary presser bar extending outside the housing, the auxiliary presser foot being mounted to a lower end of the auxiliary presser bar,

the second power is in transmission connection with the auxiliary pressing rod, the second control module is used for controlling the second power, and the second power is used for driving the auxiliary pressing foot to lift or put down.

8. The sewing apparatus of claim 1, further comprising an XY module, the XY module comprising an X-direction movement module disposed on the sewing table, a Y-direction movement module drivingly connected to the X-direction movement module, a frame drivingly connected to the Y-direction movement module, the frame being configured with a plurality of clamping heads for clamping the press frame; the X-direction movement module and the Y-direction movement module are respectively and electrically connected with the second control module, and the second control module is used for controlling the XY module, the needle bar and the presser foot bar to cooperate.

9. A method of constructing the sewing apparatus of any one of claims 1-8, comprising,

preparing a set of middle foot pressing device, preparing a set of XY module and a sewing machine, wherein the sewing machine comprises a machine head, a first control module and a sewing table;

disassembling a front cover at the end part of a sewing machine head, connecting a connector in a middle presser foot device with a presser foot bar, and fixing a shell in the middle presser foot device at the end part of a shell by using a fastener;

the second control module in the middle-pressure foot device is electrically connected with a motor encoder of a main shaft in the sewing machine by utilizing a lead, so that the second control module obtains the running state of the main shaft in the machine head through the encoder;

the second control module in the middle-pressure foot device is electrically connected with a pedal input port in the sewing machine by a lead, so that the second control module sends a control signal to a machine head of the sewing machine through the pedal input port;

And installing the XY module on a sewing table, electrically connecting the XY module with a second control module in the middle-pressure foot device, and controlling the XY module to act by using the second control module.

10. A method of constructing the sewing apparatus of any one of claims 1-8, comprising,

preparing a set of middle foot pressing device, preparing a set of XY module, a sewing table and a set of sewing machine device, wherein the sewing machine device comprises a machine head of a sewing machine and a first control module matched with the machine head;

the XY module and the machine head are respectively arranged on the sewing table, and the first control module is arranged on the machine head or the sewing table;

disassembling a front cover at the end part of a sewing machine head, connecting a connector in a middle presser foot device with a presser foot bar, and fixing a shell in the middle presser foot device at the end part of a shell by using a fastener;

the second control module in the middle-pressure foot device is electrically connected with a motor encoder of a main shaft in the sewing machine by utilizing a lead, so that the second control module obtains the running state of the main shaft in the machine head through the encoder;

the second control module in the middle-pressure foot device is electrically connected with a pedal input port in the sewing machine by a lead, so that the second control module sends a control signal to a machine head of the sewing machine through the pedal input port;

And electrically connecting the XY module with a second control module in the medium-voltage pin device, and controlling the XY module to act by using the second control module.