Feeding device of full-automatic sewing machine

Abstract

The utility model relates to the technical field of sewing machines, and discloses a feeding device of a full-automatic sewing machine, which comprises a conveying belt fixing plate, the inner wall of the conveying belt fixing plate is fixedly connected with a material pressing component used for fixing cloth, and the inner wall of the conveying belt fixing plate is fixedly connected with a rotating shaft fixing plate. The inner wall of the rotating shaft fixing plate is fixedly connected with a rotating bearing, the inner wall of the rotating bearing is fixedly connected with a connecting shaft, the outer wall of the connecting shaft is fixedly connected with two transmission gears, the inner wall of the conveying belt fixing plate is rotatably connected with a variable-pitch wheel, and the bottom of the variable-pitch wheel is fixedly connected with a control gear. Two sliding rods are fixedly connected to the top of the conveying belt fixing plate. According to the utility model, the variable-pitch pressing structure is additionally arranged, so that when the cloth is conveyed, the cloth with different thicknesses can be pressed, and the cloth with different thicknesses can not deviate in the conveying process, and the cloth can not deviate in the conveying process.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine technical field especially relates to a full -automatic sewing machine's material feeding unit. BACKGROUND

[0002] Full -automatic sewing machine material feeding unit working principle is through motor drive, utilizes mechanical transmission structure control to carry out transmission to cloth, application scene is extensive, is used for batch production clothes in clothing manufacturing industry, high -efficiently sews cloth, is used for sewing parts such as bag body in bag industry;In the field of home textile, be used for sewing curtain, bed cover etc., can improve production efficiency and sewing quality.

[0003] Cloth material feeding unit mainly includes feeding belt, it transports cloth by up and down movement and forward and backward movement. There is transmission structure, such as gear, belt and connecting rod etc., places cloth on the belt, controls its movement rhythm, in addition, there is pressure material structure, fixes the pressure material device on the conveyer, leaves a certain clearance, presses cloth in the material feeding process, guarantees cloth steady conveying, prevents displacement, transmits cloth to the position needing sewing.

[0004] In prior art, the installation structure of the pressure material device and the conveying belt of part of the device is relatively fixed, does not reserve enough adjustment space, leads to the interval between the pressure material and the conveying belt being relatively fixed, difficult to adapt to the pressure material of cloth of different thicknesses, so cloth will deviate in the process of transmission, and therefore a full -automatic sewing machine's material feeding unit is provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a full -automatic sewing machine's material feeding unit, aims at improving the problem that the interval between the pressure material and the conveying belt is relatively fixed in prior art, difficult to adapt to the pressure material of cloth of different thicknesses, so cloth will deviate in the process of transmission.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] A full -automatic sewing machine's material feeding unit, including the conveying belt fixed plate, the inner wall of the conveying belt fixed plate is fixedly connected with the pressure material subassembly for fixing cloth, the inner wall of the conveying belt fixed plate is fixedly connected with the pivot fixed plate, the inner wall of the pivot fixed plate is fixedly connected with the rotary bearing, the inner wall of the rotary bearing is fixedly connected with the connecting shaft, the outer wall of the connecting shaft is fixedly connected with two transmission gears, the inner wall of the conveying belt fixed plate is rotatably connected with the variable pitch wheel, the bottom of the variable pitch wheel is fixedly connected with the control gear, the top of the conveying belt fixed plate is fixedly connected with two sliding rods, the outer wall of the sliding rod is slidably connected with the connecting plate, the outer wall of the control gear is meshedly connected with the outer wall of the transmission gear.

[0008] As a further description of the above technical solutions:

[0009] The pressing assembly comprises a cylinder, the bottom of the cylinder is fixedly connected to the inner wall of the conveying belt fixed plate, the driving end of the conveying belt fixed plate is fixedly connected with a telescopic rod, the top end of the telescopic rod is fixedly connected with a connecting rod, the inner wall of the connecting rod is rotatably connected with a rotating rod, the outer wall of the rotating rod is fixedly connected with a transmission rod, and the bottom of the transmission rod is fixedly connected with a pressing plate.

[0010] As a further description of the above technical solutions:

[0011] The outer wall of the transmission rod is rotatably connected with a rotating column, the inner wall of the rotating column is fixedly connected with a rotating plate, and the inner wall of the rotating plate is rotatably connected with another rotating column.

[0012] As a further description of the above technical solutions:

[0013] The outer wall of the conveying belt fixed plate is fixedly connected with a support, and the other rotating column is fixedly connected to the inner wall of the support.

[0014] As a further description of the above technical solutions:

[0015] The outer wall of the connecting plate is fixedly connected with a control motor, the inner wall of the connecting plate is rotatably connected with a plurality of pressing rollers, and the outer wall of the plurality of pressing rollers is coupled with a pressing machine.

[0016] As a further description of the above technical solutions:

[0017] The inner wall of the connecting plate is fixedly connected with a sliding column, and one end of the sliding column is slidably connected in the groove of the variable-pitch wheel.

[0018] As a further description of the above technical solutions:

[0019] The inner wall of the conveying belt fixed plate is fixedly connected with a rotating motor, and the driving end of the rotating motor is fixedly connected with a connecting shaft.

[0020] As a further description of the above technical solutions:

[0021] The outer wall of the conveying belt fixed plate is fixedly connected with a conveying belt motor, and the inner wall of the conveying belt motor is rotatably connected with a feeding belt.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1. In the utility model, start motor, motor drives connecting axle to rotate, the rotation of connecting axle drives transmission gear, transmission gear drives control gear to rotate, the rotation of control gear drives variable pitch gear to rotate, the rotation of variable pitch gear will make the sliding column slide along the groove set up on the variable pitch gear surface, the sliding column drives the connecting plate to move up and down, adjust the distance between the material pressing machine and the feeding belt, to adapt to the thickness of different cloth.

[0024] 2. In the utility model, when cloth is transmitted to the designated position, the cylinder starts, drives the telescopic rod to extend, the extension of telescopic rod drives the connecting rod to move upwards, the connecting rod moves upwards, because transmission rod is fixed on the support, so transmission rod will rotate around the rotating column, at this time, according to the principle of lever, it is known that the connecting rod moves upwards, because of the limitation of rotating column, the other end of transmission column will be pressed down, press the cloth, to fix the cloth, so that it will not deviate during sewing and cause inaccurate sewing, to cause the waste and loss of cloth. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic view of the feeding device of the full-automatic sewing machine proposed in the utility model;

[0026] Figure 2 It is a structure schematic view of the sliding rod of the feeding device of the full-automatic sewing machine proposed in the utility model;

[0027] Figure 3 It is a structure schematic view of the transmission gear of the feeding device of the full-automatic sewing machine proposed in the utility model;

[0028] Figure 4 It is Figure 3 The enlarged view of A in the utility model;

[0029] LEGEND:

[0030] 1, conveying belt fixed plate; 2, rotating shaft fixed plate; 3, rotating bearing; 4, connecting axle; 5, rotating motor; 6, transmission gear; 7, control gear; 8, variable pitch gear; 9, sliding rod; 10, connecting plate; 11, feeding belt; 12, material pressing machine; 13, cylinder; 14, telescopic rod; 15, connecting rod; 16, rotating rod; 17, rotating column; 18, rotating plate; 19, pressing plate; 20, support; 21, control motor; 22, compression roller; 23, conveying belt motor; 24, transmission rod; 25, sliding column. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0032] With reference to Figures 1 to 3 The utility model provides an embodiment: a full -automatic sewing machine's feeding device, including conveying belt fixed plate 1, conveying belt fixed plate 1 plays the role of bearing and fixed other related parts, the inner wall fixed connection of conveying belt fixed plate 1 has the pressing material subassembly for fixed cloth, this pressing material subassembly can when the cloth is conveyed to the corresponding position, to cloth implements effective fixed operation, avoid the cloth and appear displacement etc. The accuracy of sewing is influenced, the inner wall fixed connection of conveying belt fixed plate 1 has the rotating shaft fixed plate 2, the rotating shaft fixed plate 2 is to provide stable installation foundation for subsequent parts, and it is fixed at the inner wall specific position of conveying belt fixed plate 1, the inner wall fixed connection of rotating shaft fixed plate 2 has rotating bearing 3, and rotating bearing 3 can guarantee the part of being connected with it can smoothly rotate.

[0033] The inner wall fixed connection of rotating bearing 3 has connecting shaft 4, and connecting shaft 4 is an important part of the whole device transmission, and it is connected with rotating bearing 3, can be based on rotating bearing 3 and rotates, and the outer wall fixed connection of connecting shaft 4 has two transmission gears 6, and the two transmission gears 6 will participate in the subsequent transmission process, plays a key role in the connection in the power transmission, the inner wall rotationally connected of conveying belt fixed plate 1 has variable pitch pulley 8, and variable pitch pulley 8 can rotate around its connecting point with conveying belt fixed plate 1, and the bottom fixed connection of variable pitch pulley 8 has control gear 7, and control gear 7 is closely connected with variable pitch pulley 8, and the top fixed connection of conveying belt fixed plate 1 has two sliding rods 9, which mainly provides guidance and support for the sliding of other components.

[0034] The outer wall of sliding rod 9 is slidably connected with connecting plate 10, and connecting plate 10 can slide up and down along the outer wall of sliding rod 9. This sliding mode can ensure smooth position change under the corresponding power drive. The outer wall of control gear 7 is meshingly connected with the outer wall of transmission gear 6. In this way, when transmission gear 6 rotates under the power drive, it can drive control gear 7 to rotate through the meshing relationship, thereby realizing power transmission and linkage of related components. The outer wall of connecting plate 10 is fixedly connected with control motor 21, which is one of the power sources and can output corresponding power after starting to provide power support for the operation of the components connected thereto.

[0035] The inner wall of the connecting plate 10 is rotatably connected with a plurality of compression rollers 22, which can rotate around the connecting point with the connecting plate 10. The rotation of the compression rollers 22 can cooperate with other components to compress the cloth. The outer wall of the plurality of compression rollers 22 is coupled to the pressing machine 12. The pressing machine 12 can better realize the pressing operation of the cloth through the coupling with the compression rollers 22, and can adjust the distance between the pressing machine 12 and the feeding belt 11 according to the actual situation. The inner wall of the connecting plate 10 is fixedly connected with a sliding column 25, which has a certain shape and size, and one end of the sliding column 25 is slidably connected in the groove of the variable pitch wheel 8. Through the rotation of the variable pitch wheel 8, the sliding column 25 can slide along the groove on the surface of the variable pitch wheel 8, thereby driving the connecting plate 10 to move up and down, so as to adjust the distance between the pressing machine 12 and the feeding belt 11.

[0036] This can adapt to the thickness of different cloths. After all, when conveying the cloth that needs to be sewn, the sewing demand of different cloths will involve different thicknesses, so the distance needs to be adjusted. The inner wall of the conveying belt fixed plate 1 is fixedly connected with a rotating motor 5. The driving end of the rotating motor 5 is fixedly connected with a connecting shaft 4. After the rotating motor 5 is started, the driving end will drive the connecting shaft 4 to rotate. The rotation of the connecting shaft 4 drives other components connected thereto, such as a transmission gear 6, to rotate, thereby starting the entire transmission process and realizing the corresponding function. The outer wall of the conveying belt fixed plate 1 is fixedly connected with a conveying belt motor 23. The inner wall of the conveying belt motor 23 is rotatably connected with a feeding belt 11. After the conveying belt motor 23 is started, it will drive the feeding belt 11 to rotate. The feeding belt 11 can realize the conveying function of the cloth and gradually convey the cloth to the position that needs to be sewn.

[0037] Referring to Figure 1 , Figure 3 and Figure 4 , the pressing assembly includes a cylinder 13, the bottom of which is fixedly connected to the inner wall of the conveying belt fixed plate 1. The cylinder 13 is installed on the conveying belt fixed plate 1 through this fixed manner, and can start corresponding actions when needed. The driving end of the conveying belt fixed plate 1 is fixedly connected with a telescopic rod 14, which is firmly connected with the conveying belt fixed plate 1 and can perform telescopic action when driven by external force. The top end of the telescopic rod 14 is fixedly connected with a connecting rod 15, which will change its position accordingly with the telescopic action of the telescopic rod 14.

[0038] The inner wall of the connecting rod 15 is rotationally connected with a rotating rod 16, the rotating rod 16 can rotate around the connecting point with the connecting rod 15, the outer wall of the rotating rod 16 is fixedly connected with a transmission rod 24, the transmission rod 24 will change accordingly with the rotation of the rotating rod 16, the bottom of the transmission rod 24 is fixedly connected with a pressing plate 19, the pressing plate 19 can be pressed down and other actions under the driving of the transmission rod 24, so as to play a fixing role on the cloth, the outer wall of the transmission rod 24 is rotationally connected with a rotating column 17, the rotating column 17 provides a corresponding support point and rotating shaft for the rotation of the transmission rod 24, so that the transmission rod 24 can rotate around the rotating column 17. The inner wall of the rotating column 17 is fixedly connected with a rotating plate 18, the rotating plate 18 can rotate around the rotating column 17.

[0039] The inner wall of the rotating plate 18 is rotationally connected with another rotating column 17, the other rotating column 17 is fixedly connected to the inner wall of the support 20, the support 20 is fixed to the outer wall of the conveying belt fixed plate 1, through a series of connection and rotation relationship, when the cloth is conveyed to the sewing position, the cylinder 13 is started, the telescopic rod 14 is extended, the extension of the telescopic rod 14 drives the connecting rod 15 to move upward, the connecting rod 15 moves upward, because the transmission rod 24 is fixed on the support 20, the transmission rod 24 will rotate around the rotating column 17, at this time, according to the principle of lever, the connecting rod 15 moves upward, because of the limitation of the rotating column 17, the other end of the transmission column will be pressed down to press the cloth, so as to fix the cloth, avoid the offset of the cloth in the sewing process, cause inaccurate sewing, and cause loss.

[0040] Working principle: when conveying the cloth that needs to be sewn, different thicknesses of different cloths will be involved due to the sewing needs of different cloths, so the distance between the pressing machine 12 and the feeding belt 11 needs to be adjusted during conveying, the specific operation mode is to start the motor, the motor drives the connecting shaft 4 to rotate, the rotation of the connecting shaft 4 drives the transmission gear 6, the transmission gear 6 drives the control gear 7 to rotate, the rotation of the control gear 7 drives the variable pitch gear 8 to rotate, the rotation of the variable pitch gear 8 will make the sliding column 25 slide along the groove on the surface of the variable pitch gear 8, the sliding column 25 drives the connecting plate 10 to move up and down, to adjust the distance between the pressing machine 12 and the feeding belt 11, so as to adapt to the thickness of different cloths.

[0041] When the cloth is conveyed to the sewing position, the cloth needs to be fixed, otherwise it will cause the cloth to deviate in the sewing process, resulting in inaccurate sewing, thereby causing loss, so when the cloth is transmitted to the designated position, the air cylinder 13 starts to drive the telescopic rod 14 to extend, the extension of the telescopic rod 14 drives the connecting rod 15 to move upwards, the connecting rod 15 moves upwards, since the transmission rod 24 is fixed on the support 20, the transmission rod 24 will rotate around the rotating column 17, at this time, according to the lever principle, it is known that the connecting rod 15 moves upwards, due to the limitation of the rotating column 17, the other end of the transmission column will be pressed downward, pressing the cloth, so as to fix the cloth.

[0042] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A feeding device for a fully automatic sewing machine comprising a conveyor belt fixing plate (1), characterized in that: The inner wall of the conveying belt fixing plate (1) is fixedly connected with a cloth pressing assembly for fixing cloth, the inner wall of the conveying belt fixing plate (1) is fixedly connected with a rotating shaft fixing plate (2), the inner wall of the rotating shaft fixing plate (2) is fixedly connected with a rotating bearing (3), the inner wall of the rotating bearing (3) is fixedly connected with a connecting shaft (4), the outer wall of the connecting shaft (4) is fixedly connected with two transmission gears (6), the inner wall of the conveying belt fixing plate (1) is rotatably connected with a variable pitch wheel (8), the bottom of the variable pitch wheel (8) is fixedly connected with a control gear (7), the top of the conveying belt fixing plate (1) is fixedly connected with two sliding rods (9), the outer wall of the sliding rod (9) is slidably connected with a connecting plate (10), and the outer wall of the control gear (7) is meshingly connected with the outer wall of the transmission gear (6).

2. The automatic feeding device of a sewing machine according to claim 1, wherein: The cloth pressing assembly comprises a gas cylinder (13), the bottom of the gas cylinder (13) is fixedly connected to the inner wall of the conveying belt fixing plate (1), the driving end of the conveying belt fixing plate (1) is fixedly connected with a telescopic rod (14), the top end of the telescopic rod (14) is fixedly connected with a connecting rod (15), the inner wall of the connecting rod (15) is rotatably connected with a rotating rod (16), the outer wall of the rotating rod (16) is fixedly connected with a transmission rod (24), and the bottom of the transmission rod (24) is fixedly connected with a pressing plate (19).

3. The fully automatic sewing machine's feeding device according to claim 2, characterized in that: The outer wall of the transmission rod (24) is rotatably connected with a rotating column (17), the inner wall of the rotating column (17) is fixedly connected with a rotating plate (18), and the inner wall of the rotating plate (18) is rotatably connected with another rotating column (17).

4. The automatic feeding device of a sewing machine according to claim 3, wherein: The outer wall of the conveying belt fixing plate (1) is fixedly connected with a support (20), and the other rotating column (17) is fixedly connected to the inner wall of the support (20).

5. The automatic feeding device of a sewing machine according to claim 1, wherein: The outer wall of the connecting plate (10) is fixedly connected with a control motor (21), the inner wall of the connecting plate (10) is rotatably connected with a plurality of pressing rollers (22), and the outer wall of the plurality of pressing rollers (22) is coupled with a cloth pressing machine (12).

6. The automatic feeding device of a sewing machine according to claim 1, wherein: The inner wall of the connecting plate (10) is fixedly connected with a sliding column (25), and one end of the sliding column (25) is slidably connected in a groove of the variable pitch wheel (8).

7. The automatic feeding device of a sewing machine according to claim 1, wherein: The inner wall of the conveying belt fixing plate (1) is fixedly connected with a rotating motor (5), and the driving end of the rotating motor (5) is fixedly connected with the connecting shaft (4).

8. The automatic feeding device of a sewing machine according to claim 1, wherein: The outer wall of the conveying belt fixing plate (1) is fixedly connected with a conveying belt motor (23), and the inner wall of the conveying belt motor (23) is rotatably connected with a feeding belt (11).

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