Edge covering machine for cloth bag production

Abstract

The invention relates to the technical field of cloth bag processing equipment, and provides an edge covering machine for cloth bag production, the edge covering machine comprises an operation table and a sewing machine, the sewing machine is arranged above the operation table, the fixed end of the sewing machine is connected with the operation table, and a sewing needle is arranged at the working end of the sewing machine. The supporting plate is arranged above the operation table, and the supporting plate is located below the sewing needle and located on the cloth feeding side of the sewing needle; the hemming sleeve is arranged above the supporting plate, the end face of the hemming sleeve is of an arc-shaped structure, an opening of the hemming sleeve faces downwards, the lower end of the hemming sleeve is connected with the supporting plate, and a cloth feeding channel is reserved between the upper end of the hemming sleeve and the supporting plate. The problems that in the prior art, when a covering machine is used, an operator needs to conduct sewing while conducting manual hemming, time and labor are wasted, and efficiency is low are solved.

Description

Technical Field

[0001] The invention relates to the technical field of cloth bag processing equipment, and in particular to an edge binding machine for cloth bag production. Background Art

[0002] Cloth bags are popular among people because they are light, practical, environmentally friendly, and easy to match with clothes. In the production process of cloth bags, in order to prevent the cloth from breaking, it is an indispensable step to hem the cloth. Hemming machines are commonly used tools for hemming cloth. When using the current hemming machines, operators are required to manually hem and sew at the same time, which is time-consuming, labor-intensive, and inefficient. Summary of the invention

[0003] The present invention provides a hemming machine for cloth bag production, which solves the problem in the related art that when using the hemming machine, an operator needs to manually hem and sew at the same time, which is time-consuming, labor-intensive and inefficient.

[0004] The technical solution of the present invention is as follows: a hemming machine for cloth bag production, comprising an operating table and a sewing machine, wherein the sewing machine is arranged above the operating table, the fixed end of the sewing machine is connected to the operating table, and the working end of the sewing machine is provided with a sewing needle, and the key point is that the hemming machine also includes: A support plate, the support plate is arranged above the operating table, the support plate is located below the sewing needle and at the cloth feeding side of the sewing needle; A curling sleeve is arranged above the support plate, the end face of the curling sleeve is an arc-shaped structure and the opening faces downward, the lower end of the curling sleeve is connected to the support plate, and a cloth feeding channel is left between the upper end of the curling sleeve and the support plate.

[0005] The hemming machine further comprises a cloth pressing plate, which is arranged on the hemming sleeve and is located outside the cloth feeding channel.

[0006] The hemming machine also includes: A swing frame, the swing frame is located between the fixed end and the working end of the sewing machine, one end of the swing frame is connected to the support plate, and the other end is rotatably connected to the operating table; A limit plate is arranged above the operating table, and the limit plate is located between the swing frame and the sewing machine for limiting the swing frame.

[0007] The hemming machine also includes: A first locking member, wherein one end of the limit plate close to the sewing needle is locked with the operating table by means of the first locking member; A second locking piece, wherein one end of the limit plate away from the sewing needle is locked with the operating table by means of the second locking piece; The swing frame includes a transverse rod and a longitudinal rod. The longitudinal rod is placed on the end of the limiting plate away from the sewing needle. The end of the longitudinal rod away from the transverse rod is sleeved on the second locking piece and forms a rotational fit therewith. The transverse rod is arranged between the support plate and the longitudinal rod.

[0008] An accommodating groove is provided on the upper end surface of the limiting plate, and the longitudinal rod and the second locking member are both arranged at the accommodating groove.

[0009] The hemming machine also includes: A sliding sleeve, one end of which is connected to the support plate, and the other end of which is sleeved on the transverse rod to form a sliding fit therewith; A third locking piece, with the aid of which the sliding sleeve is locked with the transverse rod.

[0010] A long hole is provided on the sliding sleeve, and the length direction of the long hole is the same as the length direction of the sliding sleeve. A screw hole is provided on the transverse rod. The lower end of the third locking piece passes through the long hole and is threadedly connected to the screw hole. The sliding sleeve is clamped between the upper end of the third locking piece and the transverse rod.

[0011] The hemming machine also includes: A rotating shaft, the rotating shaft is mounted above the supporting plate, and the length direction of the rotating shaft is the same as the length direction of the cloth feeding channel; A cloth conveying and winding wheel is coaxially arranged with the rotating shaft, and a cloth conveying channel is reserved between the cloth conveying and winding wheel and the supporting plate.

[0012] The hemming machine also includes: A support plate, the support plate is arranged above the operating table, the upper end surface of the support plate is flush with the upper end surface of the support plate, and the support plate is located on a side of the cloth conveying and winding wheel away from the hemming sleeve; A column, which is arranged on the outside of the support plate, is plugged into the operating table and has the freedom of lifting and lowering; A pressing wheel is mounted between the two upright posts, the axial direction of the pressing wheel is the same as the axial direction of the hemming sleeve, and a cloth stacking cavity is formed between the pressing wheel and the supporting plate.

[0013] The hemming machine also includes a cloth conveying and winding wheel, which is mounted above the support plate and located outside the cloth feeding channel. A cloth conveying channel is left between the cloth conveying and winding wheel and the support plate.

[0014] The hemming machine also includes: A support plate, the support plate is arranged above the operating table, the upper end surface of the support plate is flush with the upper end surface of the support plate, and the support plate is located on a side of the cloth conveying and winding wheel away from the hemming sleeve; A column, which is arranged on the outside of the support plate, is plugged into the operating table and has the freedom of lifting and lowering; A pressing wheel is mounted between the two upright posts, the axial direction of the pressing wheel is the same as the axial direction of the hemming sleeve, and a cloth stacking cavity is formed between the pressing wheel and the supporting plate.

[0015] The hemming machine also includes a thread cutter, which has the freedom to rise and fall above the operating table, and is located on a side of the sewing needle away from the crimping sleeve.

[0016] The working principle and beneficial effects of the present invention are as follows: a support plate and a hemming sleeve are provided, the support plate is provided above the operating table, the support plate is located below the sewing needle and located at the cloth feeding side of the sewing needle; the hemming sleeve is provided above the support plate, the end face of the hemming sleeve is an arc-shaped structure and the opening faces downward, the lower end of the hemming sleeve is connected to the support plate, and a cloth feeding channel is left between the upper end of the hemming sleeve and the support plate. When hemming, the operator first rolls one end of the cloth into a desired shape, then sends the rolled part to the bottom of the sewing needle for positioning with the sewing needle, then puts the hemming sleeve on the cloth behind the sewing needle, then pushes the cloth forward, and sews the cloth with the sewing needle at the same time, the cloth behind the hemming sleeve will automatically complete the hemming operation under the action of the hemming sleeve, which can save the operator from the process of manually hemming and sewing at the same time, saving time and effort, and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present invention.

[0018] Figure 1 It is a structural schematic diagram of the present invention.

[0019] Figure 2 This is a front view of the connection between the curling sleeve and the support plate in the present invention.

[0020] Figure 3 It is a top view of the connection between the curling sleeve and the support plate in the present invention.

[0021] Figure 4 This is a front view of the connection between the pressing wheel and the supporting plate in the present invention.

[0022] Figure 5 It is a top view of the connection between the pressing wheel and the supporting plate in the present invention.

[0023] In the figure: 1, operating table, 2, sewing machine, 3, sewing needle, 4, supporting plate, 5, hemming sleeve, 6, cloth pressing plate, 7, swing frame, 7-1, transverse rod, 7-2, longitudinal rod, 8, limit plate, 9, first locking piece, 10, second locking piece, 11, sliding sleeve, 12, third locking piece, 13, long hole, 15, cloth conveying and winding wheel, 16, supporting plate, 17, column, 18, pressing wheel. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0025] In order to simplify the drawings, only the parts related to the invention are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0026] In this document, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0028] Example 1, reference Figure 1 , Figure 2 and Figure 3, which is the first embodiment of the present invention, provides a hemming machine for cloth bag production, including an operating table 1 and a sewing machine 2, wherein the sewing machine 2 is arranged above the operating table 1, the fixed end of the sewing machine 2 is connected to the operating table 1, and the working end of the sewing machine 2 is provided with a sewing needle 3, and the hemming machine also includes a support plate 4 and a curling sleeve 5, wherein the support plate 4 is arranged above the operating table 1, the support plate 4 is located below the sewing needle 3 and is located on the cloth feeding side of the sewing needle 3; the curling sleeve 5 is arranged above the support plate 4, the end face of the curling sleeve 5 is an arc-shaped structure and the opening faces downward, the lower end of the curling sleeve 5 is connected to the support plate 4, and a cloth feeding channel is left between the upper end of the curling sleeve 5 and the support plate 4. When hemming, the operator is located behind the operating table 1, first rolls one end of the cloth into the required shape, then sends the rolled part to the bottom of the sewing needle 3 and uses the sewing needle 3 to position it, then puts the hemming sleeve 5 on the cloth behind the sewing needle 3, then pushes the cloth forward, and sews the cloth with the sewing needle 3 at the same time. The cloth behind the hemming sleeve 5 will automatically complete the hemming operation under the action of the hemming sleeve 5, which can save the operator from the process of manually hemming and sewing at the same time, saving time and effort, and improving production efficiency.

[0029] Furthermore, the hemming machine further comprises a cloth pressing plate 6, which is arranged on the hemming sleeve 5 and is located outside the cloth feeding channel. Figure 1 , Figure 2 and Figure 3 As shown, the curling sleeve 5 is located on the right side of the cloth pressing plate 6, and the cloth pressing plate 6 can limit the part of the cloth without curling to prevent the cloth from bending and affecting the sewing effect.

[0030] Embodiment 2: This embodiment is different from Embodiment 1 in that: the hemming machine further comprises a swing frame 7 and a limit plate 8. The swing frame 7 is located between the fixed end and the working end of the sewing machine 2. One end of the swing frame 7 is connected to the support plate 4 and the other end is rotatably connected to the operating table 1. The limit plate 8 is arranged above the operating table 1 and is located between the swing frame 7 and the sewing machine 2 to limit the swing frame 7. Figure 1 , Figure 2 and Figure 3 As shown, the swing frame 7 is located on the right side of the sewing needle 3, the right end of the swing frame 7 is rotatably connected to the operating table 1, the left end of the swing frame 7 is connected to the support plate 4, and the limit plate 8 is located in front of the swing frame 7. Initially, as shown in FIG. Figure 3As shown, the swing frame 7 is in contact with the limit plate 8. When hemming, the operator first rolls one end of the cloth into the desired shape, then sends the rolled part to the bottom of the sewing needle 3 and positions it with the sewing needle 3, then puts the curling sleeve 5 on the cloth behind the sewing needle 3, then pushes the cloth forward, and sews the cloth with the sewing needle 3 at the same time; or, the operator first rolls one end of the cloth into the desired shape, then rotates the swing frame 7 counterclockwise to make the support plate 4 away from the sewing needle 3, then sends the rolled part to the bottom of the sewing needle 3 and positions it with the sewing needle 3, then rotates the swing frame 7 clockwise to make the support plate 4 return to the initial position, and at the same time puts the curling sleeve 5 on the cloth behind the sewing needle 3, then pushes the cloth forward, and sews the cloth with the sewing needle 3, which makes it more convenient to send the rolled part under the sewing needle 3.

[0031] Furthermore, the hemming machine also includes a first locking member 9 and a second locking member 10. The end of the limit plate 8 close to the sewing needle 3 is locked with the operating table 1 by means of the first locking member 9; the end of the limit plate 8 away from the sewing needle 3 is locked with the operating table 1 by means of the second locking member 10; the swing frame 7 includes a transverse rod 7-1 and a longitudinal rod 7-2. The longitudinal rod 7-2 is placed on the end of the limit plate 8 away from the sewing needle 3. The end of the longitudinal rod 7-2 away from the transverse rod 7-1 is sleeved on the second locking member 10 and forms a rotational fit therewith. The transverse rod 7-1 is arranged between the support plate 4 and the longitudinal rod 7-2. Figure 1 , Figure 2 and Figure 3 As shown, the left end of the limit plate 8 is locked with the operating table 1 through the first locking piece 9, and the right end of the limit plate 8 is locked with the operating table 1 through the second locking piece 10. The longitudinal rod 7-2 is located on the right side of the transverse rod 7-1, and the front end of the longitudinal rod 7-2 is mounted on the second locking piece 10 and can rotate. The longitudinal rod 7-2 and the limit plate 8 share a second locking piece 10, which can reduce the number of locking pieces used.

[0032] Furthermore, a receiving groove is provided on the upper end surface of the limiting plate 8, and the longitudinal rod 7-2 and the second locking member 10 are both arranged at the receiving groove. In this way, the transverse rod 7-1 and the limiting plate 8 are on the same plane, the whole is more neat and beautiful, and the limiting effect of the limiting plate 8 is better.

[0033] Furthermore, the hemming machine further comprises a sleeve 11 and a third locking member 12, wherein one end of the sleeve 11 is connected to the support plate 4, and the other end of the sleeve 11 is sleeved on the transverse rod 7-1 and forms a sliding fit therewith; the sleeve 11 is locked with the transverse rod 7-1 by means of the third locking member 12. Figure 2 and Figure 3As shown, the left end of the sliding sleeve 11 is connected to the support plate 4, and the right end of the sliding sleeve 11 is mounted on the transverse rod 7-1. The left and right positions of the sliding sleeve 11 can be changed by loosening the third locking piece 12, thereby changing the left and right positions of the support plate 4 and the curling sleeve 5. After adjustment, the sliding sleeve 11 and the transverse rod 7-1 can be locked together by using the third locking piece 12, which can reduce the requirements for the installation accuracy of the swing frame 7. The structure is simple, the adjustment is convenient and quick, and it saves time and effort.

[0034] Furthermore, a long hole 13 is provided on the sliding sleeve 11, and the length direction of the long hole 13 is the same as the length direction of the sliding sleeve 11. A screw hole is provided on the transverse rod 7-1, and the lower end of the third locking member 12 passes through the long hole 13 and is threadedly connected to the screw hole, and the sliding sleeve 11 is clamped between the upper end of the third locking member 12 and the transverse rod 7-1. Figure 2 and Figure 3 As shown, after the upper end of the third locking member 12 is separated from the sliding sleeve 11, the left and right position of the sliding sleeve 11 can be changed. During the movement of the sliding sleeve 11, the long hole 13 can play a guiding and limiting role. After moving into position, the sliding sleeve 11 and the transverse rod 7-1 can be locked by the third locking member 12. The structure is simple and the operation is convenient.

[0035] Embodiment 3: This embodiment is different from Embodiment 1 and Embodiment 2 in that: the hemming machine further includes a rotating shaft 14 and a cloth conveying and winding wheel 15. The rotating shaft 14 is mounted above the support plate 4, and the length direction of the rotating shaft 14 is the same as the length direction of the cloth feeding channel. The cloth conveying and winding wheel 15 is coaxially arranged with the rotating shaft 14, and a cloth conveying channel is left between the cloth conveying and winding wheel 15 and the support plate 4. Figure 4 and Figure 5 As shown, the left and right rotating shafts 14 are both located on the left side of the hemming sleeve 5, and each rotating shaft 14 is provided with two front and rear cloth conveying and winding wheels 15, and the hemming sleeve 5 is located between the front and rear cloth conveying and winding wheels 15. When hemming, the cloth is spread flat, and the front end of the cloth is located above the supporting plate 4, and the cloth is pushed under the cloth conveying and winding wheel 15, and the rotating shaft 14 is used to drive the cloth conveying and winding wheel 15 to rotate counterclockwise, so that the cloth conveying and winding wheel 15 pushes the cloth to the right. When the cloth enters the hemming sleeve 5, the cloth conveying and winding wheel 15 continues to rotate counterclockwise, and the cloth will bend along the hemming sleeve 5 under the action of the hemming sleeve 5, and the flanging process is automatically completed, which saves the process of manual flanging and is more time-saving and labor-saving.

[0036] Furthermore, the hemming machine also includes a support plate 16, a column 17, and a pressure wheel 18. The support plate 16 is arranged above the operating table 1, and the upper end surface of the support plate 16 is flush with the upper end surface of the support plate 4. The support plate 16 is located on the side of the fabric conveying and winding wheel 15 away from the hemming sleeve 5; the column 17 is arranged on the outside of the support plate 16, and the column 17 is plugged into the operating table 1 and has the freedom of lifting and lowering; the pressure wheel 18 is mounted between the two columns 17, and the axial direction of the pressure wheel 18 is the same as the axial direction of the hemming sleeve 5, and there is a fabric stacking cavity between the pressure wheel 18 and the support plate 16. Figure 4 and Figure 5 As shown, the support plate 16 is located on the left side of the support plate 4, and the cloth is stacked between the support plate 16 and the pressing wheel 18. When the pressing wheel 18 is turned, the top cloth will fall to the right. As the cloth decreases, the column 17 moves downward, and the pressing wheel 18 moves downward synchronously with the column 17, eliminating the process of manual separation of the cloth, saving time and effort.

[0037] Furthermore, the hemming machine further comprises a thread cutter, which has the freedom of lifting and lowering above the operating table 1, and is located on the side of the sewing needle 3 away from the hemming sleeve 5. The connecting line between adjacent fabrics moves toward the front of the sewing needle 3, and after reaching below the thread cutter, the thread cutter falls to cut off the connecting line, which can save the process of thread cutting in the later stage, and is simpler and more convenient.

[0038] Furthermore, in order to make the cloth fit better with the support plate 4, the support plate 4 is set to a hollow structure, a suction port is opened on the top of the support plate 4, and an exhaust port is opened on the side wall of the support plate 4. The suction port and the exhaust port are both connected to the hollow structure of the support plate 4. The exhaust port is connected to the exhaust fan to form a negative pressure inside the support plate 4. The cloth is attached to the support plate 4 through the suction port and moves toward the curling sleeve 5 under the action of the cloth conveying and winding wheel 15.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A hemming machine for cloth bag production, comprising an operating table (1) and a sewing machine (2), wherein the sewing machine (2) is arranged above the operating table (1), a fixed end of the sewing machine (2) is connected to the operating table (1), and a sewing needle (3) is arranged at a working end of the sewing machine (2), characterized in that: The hemming machine also includes: A support plate (4), the support plate (4) being arranged above the operating table (1), the support plate (4) being located below the sewing needle (3) and on the fabric feeding side of the sewing needle (3); A curling sleeve (5), the curling sleeve (5) being arranged above the support plate (4), the end surface of the curling sleeve (5) being an arc-shaped structure with an opening facing downward, the lower end of the curling sleeve (5) being connected to the support plate (4), and a cloth feeding channel being left between the upper end of the curling sleeve (5) and the support plate (4).

2. The hemming machine for cloth bag production according to claim 1, characterized in that: The hemming machine further comprises a cloth pressing plate (6), wherein the cloth pressing plate (6) is arranged on the hemming sleeve (5), and the cloth pressing plate (6) is located outside the cloth feeding channel.

3. The hemming machine for cloth bag production according to claim 1, characterized in that: The hemming machine also includes: A swing frame (7), the swing frame (7) being located between the fixed end and the working end of the sewing machine (2), one end of the swing frame (7) being connected to the support plate (4), and the other end being rotatably connected to the operating table (1); A limit plate (8), the limit plate (8) being arranged above the operating table (1), the limit plate (8) being located between the swing frame (7) and the sewing machine (2) and being used for limiting the swing frame (7).

4. The hemming machine for cloth bag production according to claim 3, characterized in that: The hemming machine also includes: A first locking member (9), wherein one end of the limiting plate (8) close to the sewing needle (3) is locked to the operating table (1) by means of the first locking member (9); a second locking member (10), wherein an end of the limit plate (8) away from the sewing needle (3) is locked to the operating table (1) by means of the second locking member (10); The swing frame (7) comprises a transverse rod (7-1) and a longitudinal rod (7-2), wherein the longitudinal rod (7-2) is placed on an end of the limiting plate (8) away from the sewing needle (3), and an end of the longitudinal rod (7-2) away from the transverse rod (7-1) is sleeved on the second locking member (10) and forms a rotational fit therewith, and the transverse rod (7-1) is arranged between the support plate (4) and the longitudinal rod (7-2).

5. The hemming machine for cloth bag production according to claim 4, characterized in that: An accommodating groove is provided on the upper end surface of the limiting plate (8), and the longitudinal rod (7-2) and the second locking member (10) are both arranged in the accommodating groove.

6. The hemming machine for cloth bag production according to claim 4, characterized in that: The hemming machine also includes: A sliding sleeve (11), one end of the sliding sleeve (11) being connected to the support plate (4), and the other end of the sliding sleeve (11) being sleeved on the transverse rod (7-1) to form a sliding fit therewith; A third locking piece (12), wherein the sliding sleeve (11) is locked with the transverse rod (7-1) by means of the third locking piece (12).

7. The hemming machine for cloth bag production according to claim 6, characterized in that: The sliding sleeve (11) is provided with an elongated hole (13), the length direction of the elongated hole (13) being the same as the length direction of the sliding sleeve (11), and the transverse rod (7-1) is provided with a screw hole, the lower end of the third locking member (12) passes through the elongated hole (13) and is threadedly connected to the screw hole, and the sliding sleeve (11) is clamped between the upper end of the third locking member (12) and the transverse rod (7-1).

8. The hemming machine for cloth bag production according to claim 1, characterized in that: The hemming machine also includes: A rotating shaft (14), the rotating shaft (14) being mounted above the supporting plate (4), the length direction of the rotating shaft (14) being the same as the length direction of the fabric feeding channel; A cloth conveying winding wheel (15), wherein the cloth conveying winding wheel (15) is coaxially arranged with the rotating shaft (14), and a cloth conveying channel is left between the cloth conveying winding wheel (15) and the supporting plate (4).

9. The hemming machine for cloth bag production according to claim 8, characterized in that: The hemming machine also includes: a support plate (16), the support plate (16) being arranged above the operating table (1), the upper end surface of the support plate (16) being flush with the upper end surface of the support plate (4), and the support plate (16) being located on a side of the fabric conveying and winding wheel (15) away from the hemming sleeve (5); A column (17), the column (17) being arranged on the outside of the support plate (16), the column (17) being plugged into the operating table (1) and having a degree of freedom of lifting and lowering; A pressing wheel (18), the pressing wheel (18) being mounted between the two upright posts (17), the axial direction of the pressing wheel (18) being the same as the axial direction of the hemming sleeve (5), and a cloth stacking cavity being formed between the pressing wheel (18) and the support plate (16).

10. The hemming machine for cloth bag production according to claim 1, characterized in that: The hemming machine further comprises a thread cutter, the thread cutter having the freedom to rise and fall above the operating table (1), and the thread cutter is located on a side of the sewing needle (3) away from the hemming sleeve (5).

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