Automatic feeding device of sewing machine

Abstract

The utility model relates to the technical field of sewing machine feeding, and discloses a sewing machine automatic feeding device which comprises a base, a workbench and a sewing machine body, the sewing machine body is fixedly installed on the top of the workbench, a discharging frame is arranged on one side of the workbench, an electric push rod is fixedly arranged at the bottom of a first screw block, and a second screw block is fixedly arranged at the bottom of the second screw block. A second supporting frame is fixedly installed on the side, far away from the first supporting frame, of the top of the workbench, and a first hair collecting cylinder is movably arranged in the second supporting frame. According to the device, the hydraulic rod pushes the movable plate to move downwards through the output shaft, the movable plate drives the second hair collecting cylinder to move downwards, and batting and thread residues adhering to the surface of cloth are removed; the two sets of pressing rollers are pushed to move downwards to make contact with the surface of the cloth, then the two sets of pressing rollers are driven to move back and forth on the surface of the cloth, the cloth can be kept flat during sewing, then the two sets of pressing rollers are moved to the two sides of the cloth respectively, the two sides of the cloth are positioned again, and the cloth is prevented from loosening during sewing.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine feeding technology field especially relates to a sewing machine automatic feeding device. BACKGROUND

[0002] Sewing machine is with one or more sewing line, on the sewing material forms one or more line, makes one layer or more sewing material interweaves or sews up the machine, sewing machine can sew cotton, hemp, silk, wool, artificial fibre etc. fabric and leather, plastic, paper product, sews the line neat and beautiful, flat firm, sewing speed is fast, uses simple and easy, and derives the hand -pushed embroidery computer embroidery etc. art form.

[0003] The existing one kind of industrial sewing machine automatic feeding device (announcement number: CN218968325U), the device adopts first pay off roll and second pay off roll, can simultaneously pull out the cloth located first pay off roll and second pay off roll surface, and make first pay off roll surface cloth edge be located second pay off roll surface cloth edge's top, and set on the winding shaft surface through the compression roller roll, the compression roller presses the cloth, avoids when sewing the cloth to loosen or to deviate, but the cloth is easy to stick with the excess fluff and the thread end on the surface in the processing process, inconveniently clean, increase the work intensity for the staff, and although can through the compression roller to the cloth and press, but when feeding, the cloth still easy to produce the wrinkle, thereby not favorable to the effective sewing processing of cloth. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcoming in prior art, and provides a sewing machine automatic feeding device.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A sewing machine automatic feeding device, including base, workstation and sewing machine main body, the workstation fixedly connected the base, the sewing machine main body fixed installation in the top of the workstation, one side of the workstation is provided with the pay -off stand, the workstation is away from one side of the pay -off stand and is provided with the material receiving frame, the top of the workstation is close to one side of the material receiving frame and is fixedly provided with support frame no.

[0007] As a further scheme of the utility model, the outer end of the shell is fixedly provided with motor no. 2, the inside of the shell is provided with a bidirectional screw rod, and the bidirectional screw rod is provided with a screw block no. 2.

[0008] As a further scheme of the utility model, the motor two is fixedly connected with one end of the bidirectional screw rod through an output shaft, and the other end of the bidirectional screw rod away from the motor two is connected with the inner wall of the shell through a rotating shaft.

[0009] As a further scheme of the utility model, the screw block two is threadedly connected with the bidirectional screw rod, a guide frame is arranged between the material placing frame and the workbench, the material placing frame is fixedly connected with the bottom end of the guide frame, and a hydraulic rod is fixedly installed on the top of the support frame two.

[0010] As a further scheme of the utility model, an output shaft of the hydraulic rod is fixedly provided with a movable plate, and the output shaft of the hydraulic rod penetrates and connects the support frame two, and the movable plate is movably installed with a lint roller two.

[0011] As a further scheme of the utility model, a motor one is fixedly installed on the material collecting frame, a material collecting roller is fixedly arranged on the output shaft of the motor one, and the bottom end of the material collecting frame is fixedly connected with the base.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] In use, the cloth to be sewn is placed on the material placing frame, under the cooperation of the guide frame, a staff member pulls one end of the cloth to pass between the lint roller one and the lint roller two, and the one end of the cloth is arranged on the top, according to the thickness of the cloth, the hydraulic rod can be opened, the hydraulic rod moves the movable plate downward through the output shaft, the movable plate drives the lint roller two to move downward, and then the lint roller one and the lint roller two clean the surface of the passing cloth, the lint and the thread end adhered to the surface of the cloth are removed, then the motor two is started, the motor two drives the bidirectional screw rod to rotate through the output shaft, the bidirectional screw rod drives the screw block one and the screw block two to relatively move through the forward and reverse threads, the pressure rollers and the electric push rods are arranged on the two groups of screw blocks, the two groups of electric push rods are started synchronously, the two groups of pressure rollers are pushed to move downward to contact the surface of the cloth, and then the two groups of pressure rollers are driven to move back and forth on the surface of the cloth, the wrinkles on the cloth are smoothed, the cloth can keep flat during sewing, then the two groups of pressure rollers are moved to the two sides of the cloth respectively, the two sides of the cloth are positioned again, the cloth is prevented from loosening during sewing, after sewing, the motor one is opened, the motor one drives the material collecting roller to rotate through the output shaft, and the material collecting roller automatically winds the sewed cloth, and the efficiency of the cloth sewing process is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A three-dimensional structure schematic view of the automatic material feeding device of the sewing machine is provided in the utility model;

[0015] Figure 2The utility model provides a kind of automatic feeding device's section structure schematic diagram of sewing machine.

[0016] Figure 3 The utility model provides a kind of automatic feeding device's compression roller split structure schematic diagram of sewing machine.

[0017] Figure 4 The utility model provides a kind of automatic feeding device's support frame two split structure schematic diagram of sewing machine.

[0018] In the drawing: 1, base; 101, discharging rack; 102, guide frame; 103, material collecting rack; 104, motor one; 105, material collecting roller; 106, motor two; 2, workbench; 201, shell; 202, support frame one; 203, compression roller; 3, sewing machine main body; 301, support frame two; 302, sticky hair cylinder one; 4, electric push rod; 5, hydraulic rod; 6, two-way screw rod; 7, screw block one; 8, screw block two; 801, movable plate; 802, sticky hair cylinder two. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium; can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0022] REFERENCE Figures 1-4The utility model provides a sewing machine automatic feeding device, including base 1, workstation 2 and sewing machine body 3, workstation 2 is fixedly connected base 1, sewing machine body 3 is fixedly installed at the top of workstation 2, one side of workstation 2 is provided with material placing rack 101, the side away from material placing rack 101 of workstation 2 is provided with material collecting rack 103, the top of workstation 2 is fixedly provided with support frame no. 202 near material collecting rack 103, the support frame no. 202 is fixedly installed with shell 201, the inside activity of shell 201 is provided with screw block no. 7, the bottom of screw block no. 7 is fixedly provided with electric push rod 4, the output shaft of electric push rod 4 is fixedly installed with compression roller 203, the top of workstation 2 is fixedly installed with support frame no. 301 away from support frame no. 202, the inside activity of support frame no. 301 is provided with sticky hair cylinder no. 302.

[0023] When using, the cloth to be sewn is placed on the material placing rack 101, under the cooperation of the guide frame 102, the worker pulls one end of the cloth through the sticky hair cylinder no. 302 and the sticky hair cylinder no. 802, and sets the one end of the cloth on 105. According to the thickness of the cloth, the hydraulic rod 5 can be opened, so that the movable plate 801 is moved downward by the output shaft of the hydraulic rod 5, the movable plate 801 drives the sticky hair cylinder no. 802 to move downward, and then the surface of the passing cloth is cleaned by the sticky hair cylinder no. 302 and the sticky hair cylinder no. 802, so that the lint and threads adhered to the surface of the cloth are removed. Then the motor two 106 is started, the motor two 106 drives the bidirectional screw rod 6 to rotate through the output shaft, the bidirectional screw rod 6 drives the screw block no. 7 and the screw block no. 8 to relatively move through the forward and reverse threads, the compression roller 203 and the electric push rod 4 are arranged on the two groups of screw blocks, the two groups of electric push rods 4 are started synchronously, the two groups of compression rollers 203 are pushed to move downward to contact the surface of the cloth, and then the two groups of compression rollers 203 are moved to the two sides of the cloth, and the two sides of the cloth are positioned again to prevent the cloth from loosening during sewing. After sewing, the motor one 104 is opened, the motor one 104 drives the material collecting roller 105 to rotate through the output shaft, so that the material collecting roller 105 automatically winds the sewed cloth, and the efficiency of cloth sewing processing is improved.

[0024] In the embodiment, the outer end of the shell 201 is fixedly provided with the motor two 106, and the inside of the shell 201 is provided with the bidirectional screw rod 6, and the bidirectional screw rod 6 is provided with the screw block no. 8.

[0025] When using, the double-sided adhesive tape is arranged on the sticky hair cylinder no. 302 and the sticky hair cylinder no. 802, the surface of the passing cloth is cleaned by the sticky hair cylinder no. 302 and the sticky hair cylinder no. 802, so that the lint and threads adhered to the surface of the cloth are removed.

[0026] In the embodiment, the motor two 106 is fixedly connected with one end of the bidirectional screw rod 6 through an output shaft, and the other end of the bidirectional screw rod 6 away from the motor two 106 is connected with the inner wall of the shell 201 through a rotating shaft.

[0027] In use, according to the thickness of the cloth, the distance between the sticky hair cylinder one 302 and the sticky hair cylinder two 802 is adjusted by pushing the sticky hair cylinder two 802 downward through the hydraulic rod 5, so that the sticky hair cylinder one 302 and the sticky hair cylinder two 802 accurately contact two sides of the cloth.

[0028] In the embodiment, the screw block two 8 is threadedly connected with the bidirectional screw rod 6, the guide frame 102 is arranged between the discharging rack 101 and the workbench 2, the discharging rack 101 is fixedly connected with the bottom end of the guide frame 102 and the base 1, and the hydraulic rod 5 is fixedly installed on the top of the supporting frame two 301.

[0029] In use, the two groups of pressure rollers 203 are accurately contacted with the surface of the cloth by starting the two groups of electric push rods 4, so as to facilitate positioning of both sides of the cloth.

[0030] In the embodiment, the output shaft of the hydraulic rod 5 is fixedly provided with the movable plate 801, the output shaft of the hydraulic rod 5 penetrates the supporting frame two 301, and the movable plate 801 is movably installed with the sticky hair cylinder two 802.

[0031] In use, the pressure roller 203 and the electric push rod 4 are arranged on the two screw blocks, the two groups of pressure rollers 203 are moved back and forth on the surface of the cloth, so as to arrange and smooth the wrinkles on the cloth, and the cloth is kept flat during sewing.

[0032] In the embodiment, the motor one 104 is fixedly installed on the material collecting rack 103, the output shaft of the motor one 104 is fixedly provided with the material collecting roller 105, and the bottom end of the material collecting rack 103 is fixedly connected with the base 1.

[0033] In use, the guide frame 102 provides a guiding effect for cloth feeding, and the material collecting roller 105 can automatically wind the sewed cloth.

[0034] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: in use, first, the cloth to be sewn is placed on the cloth placing frame 101, under the cooperation of the guide frame 102, the worker pulls one end of the cloth through between the lint cylinder one 302 and the lint cylinder two 802, and sets the one end of the cloth on 105, according to the thickness of the cloth, the hydraulic rod 5 can be opened, the hydraulic rod 5 moves the movable plate 801 downward through the output shaft, then the movable plate 801 drives the lint cylinder two 802 to move downward, and then the lint cylinder one 302 and the lint cylinder two 802 clean the surface of the passing cloth, remove the lint and thread ends adhered on the surface of the cloth, then start the motor two 106, the motor two 106 rotates the bidirectional screw rod 6 through the output shaft, the bidirectional screw rod 6 drives the screw block one 7 and the screw block two 8 to move relatively through the forward and reverse threads, the pressure roller 203 and the electric push rod 4 are arranged on the two groups of screw blocks, two groups of electric push rods 4 are started synchronously, push the two groups of pressure rollers 203 to move downward and contact the surface of the cloth, and then drive the two groups of pressure rollers 203 to move back and forth on the surface of the cloth, smooth the wrinkles on the cloth, so that the cloth can keep flat during sewing, then move the two groups of pressure rollers 203 to the two sides of the cloth respectively, position the two sides of the cloth again, prevent the cloth from loosening during sewing, after sewing, open the motor one 104, the motor one 104 rotates the material collecting roller 105 through the output shaft, so that the material collecting roller 105 automatically winds the sewed cloth, improves the efficiency of cloth sewing processing.

[0035] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sewing machine automatic feeding device comprising a base (1), a worktable (2) and a sewing machine body (3), characterized in that: The workbench (2) is fixedly connected with the base (1), the sewing machine body (3) is fixedly installed on the top of the workbench (2), one side of the workbench (2) is provided with a material placing rack (101), the side of the workbench (2) away from the material placing rack (101) is provided with a material collecting rack (103), the top of the workbench (2) is fixedly provided with a supporting frame one (202) on the side close to the material collecting rack (103), the supporting frame one (202) is fixedly installed with a shell (201), the shell (201) is movably provided with a screw block one (7) inside, the bottom of the screw block one (7) is fixedly provided with an electric push rod (4), the output shaft of the electric push rod (4) is fixedly installed with a compression roller (203), the top of the workbench (2) is fixedly installed with a supporting frame two (301) on the side away from the supporting frame one (202), the supporting frame two (301) is movably provided with a sticky hair cylinder one (302) inside.

2. An automatic thread feeder for a sewing machine according to claim 1, wherein The outer end of the shell (201) is fixedly provided with a motor two (106), the inside of the shell (201) is provided with a bidirectional screw rod (6), the bidirectional screw rod (6) is provided with a screw block two (8).

3. An automatic thread feeder for a sewing machine according to claim 2, wherein The motor two (106) is fixedly connected with one end of the bidirectional screw rod (6) through the output shaft, one end of the bidirectional screw rod (6) away from the motor two (106) is connected with the inner wall of the shell (201) through the rotating shaft.

4. The automatic thread feeder for a sewing machine according to claim 2, wherein The screw block two (8) and the screw block one (7) are threadedly connected with the bidirectional screw rod (6), the material placing rack (101) and the workbench (2) are provided with a guide frame (102), the material placing rack (101) and the bottom end of the guide frame (102) are fixedly connected with the base (1), the top of the supporting frame two (301) is fixedly installed with a hydraulic rod (5).

5. An automatic thread feeder for a sewing machine according to claim 4, wherein The output shaft of the hydraulic rod (5) is fixedly provided with a movable plate (801), and the output shaft of the hydraulic rod (5) penetrates the supporting frame two (301), the movable plate (801) is movably installed with a sticky hair cylinder two (802).

6. An automatic thread feeder for a sewing machine according to claim 1, wherein The material collecting rack (103) is fixedly installed with a motor one (104), the output shaft of the motor one (104) is fixedly provided with a material collecting roller (105), the bottom end of the material collecting rack (103) is fixedly connected with the base (1).

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