Double-head automatic sewing machine

Abstract

The utility model discloses a double-machine-head automatic sewing machine which comprises a machine frame body, a needle plate assembly is arranged on the upper surface of the machine frame body, a material folding assembly is arranged in the center of the upper portion of the machine frame body, and a bag-shaped plate assembly is arranged below the material folding assembly. A first machine head and a second machine head are symmetrically arranged on the two sides of the material folding assembly, a first large pressing plate assembly and a second large pressing plate assembly which are the same in structure are symmetrically arranged on the two sides of the material folding assembly, and a first XY-axis moving assembly and a second XY-axis moving assembly which are the same in structure are symmetrically arranged on the two sides of the material folding assembly. By the adoption of the double-machine-head automatic sewing machine, after an operator puts cloth into the machine, the processes of clamping, folding, transferring, sewing and the like of the cloth are automatically completed, one operator controls the two machine heads to operate at the same time, production efficiency is further improved, the requirement for the technical level of the operator is avoided, and labor intensity is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic sewing equipment technical field especially is involved in a double -head automatic sewing machine. BACKGROUND

[0002] Automatic sewing machine, by computer control, be equipped with automatic monitoring system, automatic start sewing, press the function such as sewing, needle, cutting thread, etc., the sewing machine of automatic completion certain sewing procedure.

[0003] In the prior art, the invention patent application with publication number CN118773835A discloses a portal frame bagging machine, and the single-head bagging machine can automatically complete the clamping, folding, transferring and sewing of cloth and other processes. However, the time of the clamping and folding processes does not match the time of the transferring and sewing processes, resulting in that the clamping or folding assembly is in standby state most of the time, and thus the production efficiency is low. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a double -head automatic sewing machine, and the operator can automatically complete the clamping, folding and transferring of cloth and other processes after putting the cloth into the machine, realize one operator controlling two heads to operate simultaneously, further improve the production efficiency, and have no requirement on the technical level of the operator and low labor intensity.

[0005] To achieve the above-mentioned purpose, the utility model provides a double -head automatic sewing machine, which comprises a rack main body, a needle plate assembly is arranged on the upper surface of the rack main body, a folding assembly is arranged at the upper center position of the rack main body, a bag-shaped plate assembly is arranged below the folding assembly, first and second heads are symmetrically arranged on the two sides of the folding assembly, first and second large pressing plate assemblies with the same structure are symmetrically arranged on the two sides of the folding assembly, and first and second XY-axis moving assemblies with the same structure are symmetrically arranged on the two sides of the folding assembly.

[0006] Preferably, the first head is arranged at one side edge position of the rack main body, and the needle plate assembly and the folding assembly are sequentially arranged on the other side of the first head.

[0007] Preferably, the first head comprises a needle, a thread spool and a controller, the needle is connected with the thread spool through a sewing thread, and the controller is electrically connected with the needle, the needle plate assembly, the folding assembly, the bag-shaped plate assembly, the first XY-axis moving assembly, the second XY-axis moving assembly, the first large pressing plate assembly and the second large pressing plate assembly.

[0008] Preferably, the second head comprises a needle, a thread spool and a display, and the display is electrically connected with the controller.

[0009] Preferably, the bag-shaped plate assembly is arranged at one side of the first XY-axis moving assembly, the first XY-axis moving assembly is arranged in parallel at a front position of the first machine head, the other side of the first XY-axis moving assembly is connected with the first large pressing plate assembly, and the bottom surface of the first large pressing plate assembly is attached to the needle plate assembly.

[0010] Therefore, the double-head automatic sewing machine has the following beneficial effects.

[0011] After the operator puts the cloth into the machine, the automatic double-head automatic sewing machine can automatically complete the processes of clamping, folding, transferring and sewing the cloth, and collecting the cloth, and the first machine head and the second machine head on the left and right sides sequentially perform the sewing process on the clamped and folded cloth, without requiring the operator's technical level and with low labor intensity, and the production efficiency is greatly improved.

[0012] The technical scheme of the double-head automatic sewing machine will be further described in detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a schematic view of the overall structure of an embodiment of the double-head automatic sewing machine of the utility model;

[0014] Figure 2 is a partial enlarged view of an embodiment of the double-head automatic sewing machine of the utility model;

[0015] Figure 3 is a schematic view of the folding assembly and the bag-shaped plate assembly of an embodiment of the double-head automatic sewing machine of the utility model;

[0016] Figure 4 is a side view of the folding assembly and the bag-shaped plate assembly of an embodiment of the double-head automatic sewing machine of the utility model.

[0017] REFERENCE NUMERALS

[0018] 1, machine frame main body; 2, needle plate assembly; 3, folding assembly; 4, bag-shaped plate assembly; 5, first machine head; 6, second machine head; 7, first large pressing plate assembly; 8, second large pressing plate assembly; 9, first XY-axis moving assembly; 10, second XY-axis moving assembly; 11, needle head; 12, yarn feeding disc; 13, controller; 14, display; 15, needle plate main body; 16, cloth template; 17, main body plate; 18, lifting cylinder; 19, slide rail module; 20, upper folding shovel; 21, lower folding shovel. DETAILED DESCRIPTION

[0019] The technical scheme of the double-head automatic sewing machine will be further described in detail below with reference to the drawings and embodiments.

[0020] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the ordinary meaning as understood by a person of ordinary skill in the art to which the present application pertains.

[0021] Embodiment one

[0022] As shown in the figure, a double-head automatic sewing machine, comprising a rack main body 1, the upper surface of the rack main body 1 is provided with a needle plate assembly 2, the upper center position of the rack main body 1 is provided with a folding material assembly 3, the lower side of the folding material assembly 3 is provided with a bag-shaped plate assembly 4, the two sides of the folding material assembly 3 are symmetrically provided with a first large pressing plate assembly 7 and a second large pressing plate assembly 8 which are the same structure, the two sides of the folding material assembly 3 are symmetrically provided with a first XY-axis moving assembly 9 and a second XY-axis moving assembly 10 which are the same structure, the overall structure design is reasonable.

[0023] Take the left side structure for example, the first head 5 is arranged at one side edge position of the rack main body 1, and the other side of the first head 5 is sequentially provided with the needle plate assembly 2 and the folding material assembly 3. The bag-shaped plate assembly 4 is arranged at one side of the first XY-axis moving assembly 9, the first XY-axis moving assembly 9 is arranged in parallel at the front position of the first head 5, the other side of the first XY-axis moving assembly 9 is connected with the first large pressing plate assembly 7, and the bottom surface of the first large pressing plate assembly 7 is attached to the needle plate assembly 2. The right side is the same.

[0024] In addition, the first head 5 comprises a needle 11, a thread spool 12 and a controller 13, the needle 11 is connected with the thread spool 12 through a sewing thread, and the controller 13 is electrically connected with the needle 11, the needle plate assembly 2, the folding material assembly 3, the bag-shaped plate assembly 4, the first XY-axis moving assembly 9, the second XY-axis moving assembly 10, the first large pressing plate assembly 7 and the second large pressing plate assembly 8. The second head 6 comprises a needle 11, a thread spool 12 and a display 14, and the display 14 is electrically connected with the controller 13.

[0025] Specifically, the needle plate assembly 2 comprises a needle plate main body 15 and a cloth template 16, the cloth template 16 is used for placing cloth, and the cloth template 16 is designed to be detachable, and the cloth template 16 of a corresponding specification can be selected according to the shape and size of the bag cover to be processed.

[0026] The bag-shaped plate assembly 4 comprises a main plate 17, one end of the main plate 17 is connected with a lifting cylinder 18 through up-down sliding connection, the lifting cylinder 18 is connected with the rack main body 1 through a slide rail module 20 for forward and backward sliding connection, and is used for clamping two layers of cloth.

[0027] The folding material assembly 3 comprises an upper folding shovel 21 and a lower folding shovel 22, the upper folding shovel 21 and the lower folding shovel 22 are connected with the needle plate main body 15 through up-down sliding connection, and are used for completing the folding process.

[0028] The first large pressing plate assembly 7 can be designed according to the shape and size of the product to be processed, and the gap is set according to the sewing track. The first large pressing plate assembly 7 is used to fix the cloth after the folding process and tightly adhere to the needle plate body 15. The first large pressing plate assembly 7 is driven by the first XY axis moving assembly 9 to drive the cloth to move along the needle plate body 15 to the position below the first head 5. The needle 11 passes through the gap to perform the sewing process on the cloth. The working modes of the second large pressing plate assembly 8, the second XY axis moving assembly 10 and the second head 6 are the same.

[0029] In actual use, according to the shape and size of the product to be processed, the corresponding cloth template 16, the first large pressing plate assembly 7 and the second large pressing plate assembly 8 are selected. The travel parameters of the needle plate assembly 2, the bag type plate assembly 4, the folding assembly 3, the first XY axis moving assembly 9 and the second XY axis moving assembly 10 are adjusted by the controller 13. The specific steps include the following steps:

[0030] S1, the first cloth is placed on the upper surface of the cloth template 16 of the needle plate assembly 2. The slide rail module 20 drives the main plate 17 to automatically extend. Then the lifting cylinder 19 drives the lower bag type plate 18 module to press the first cloth downward.

[0031] S2, the main plate 17 places the second cloth on the upper surface of the main plate 17 at the specified position.

[0032] S3, the folding assembly 3 is lowered to the position of the main plate 17, so that the cloth to be processed is between the upper folding shovel 21 and the lower folding shovel 22. The lower folding shovel 22 presses the second cloth downward and folds the edge of the first cloth. The upper folding shovel 21 is fixed and does not move, which facilitates the pressing of the cloth during the folding.

[0033] S4, the first XY axis moving assembly 9 drives the first large pressing plate assembly 7 to move right to the upper surface of the main plate 17, and presses the first cloth and the second cloth tightly. At the same time, the bag type plate assembly 4 is withdrawn and returned to the original position. The first XY axis moving assembly 9 drives the first large pressing plate assembly 7 to move left, moves the cloth to the position below the needle 11, and drives the cloth to move according to the sewing track. At the same time, the needle 11 performs sewing, and the sewing is completed.

[0034] S5, when the bag type plate assembly 4 returns to the original position, steps S1-S3 are repeated.

[0035] The second XY axis moving assembly 10 drives the second large pressing plate assembly 8 to move left to the upper surface of the main plate 17, and presses the first cloth and the second cloth tightly. The bag type plate assembly 4 is withdrawn and returned to the original position. The second XY axis moving assembly 10 drives the second large pressing plate assembly 8 to move right, moves the cloth to the position below the needle 11, and drives the cloth to move according to the sewing track. At the same time, the needle 11 performs sewing, and the sewing is completed.

[0036] S6, the cloth of completing sewing blows away from the first big presser foot assembly 7 or the second big presser foot assembly 8, and the first big presser foot assembly 7 or the second big presser foot assembly 8 resets, and the material can be collected.

[0037] Therefore, the utility model discloses the above-mentioned double-head automatic sewing machine, and the operator places the cloth into the machine, and the processes such as clamping, folding and transferring of the cloth are automatically completed, one operator can control two heads to operate simultaneously, the production efficiency is further improved, and the operator's technical level is not required, and the labor intensity is low.

[0038] Finally, it should be noted that: the above examples are only used to illustrate the technical scheme of the utility model and not to limit it, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: its still can modify or equivalent replacement to the technical scheme of the utility model, and these modifications or equivalent replacements also can not make the modified technical scheme deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. A double-head automatic sewing machine, characterized in that: The device includes a frame body, a needle plate assembly on the upper surface of the frame body, a folding assembly at the upper center of the frame body, a bag-shaped plate assembly below the folding assembly, a first machine head and a second machine head symmetrically arranged on both sides of the folding assembly, a first large pressure plate assembly and a second large pressure plate assembly with identical structures symmetrically arranged on both sides of the folding assembly, and a first XY axis moving assembly and a second XY axis moving assembly with identical structures symmetrically arranged on both sides of the folding assembly.

2. The double-head automatic sewing machine according to claim 1, characterized in that: The first machine head is located at one edge of the main body of the frame, and the other side of the first machine head is the needle plate assembly and the folding assembly in sequence.

3. The double-head automatic sewing machine according to claim 1, characterized in that: The first machine head includes a needle, a thread feeder, and a controller. The needle is connected to the thread feeder via sewing thread. The controller is electrically connected to the needle, the needle plate assembly, the folding assembly, the bag-shaped plate assembly, the first XY axis moving assembly, the second XY axis moving assembly, the first large pressure plate assembly, and the second large pressure plate assembly.

4. The double-head automatic sewing machine according to claim 3, characterized in that: The second head includes a needle, a wire feeding reel, and a display, the display being electrically connected to the controller.

5. A double-head automatic sewing machine according to claim 1, characterized in that: The bag-shaped plate assembly is disposed on one side of the first XY axis moving assembly, which is disposed parallel to the front of the first machine head. The other side of the first XY axis moving assembly is connected to the first large pressure plate assembly, and the bottom surface of the first large pressure plate assembly is in contact with the needle plate assembly.

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