Cloth side edge pneumatic fixing device for quilting and embroidering machine

Abstract

The utility model relates to the technical field of quilting and embroidering machine equipment, in particular to a cloth side edge pneumatic fixing device for a quilting and embroidering machine, which comprises a placing table used for placing cloth on the quilting and embroidering machine, a fixing strip arranged on the placing table and matched with a clamping strip for fixing the edge of the cloth, and a rack, a plurality of connecting seats are arranged at intervals in the length direction of the placing table, connecting rods are arranged on the clamping strips, the connecting rods are of T-shaped structures, the ends, away from the clamping strips, of the connecting rods are hinged to the connecting seats through torsional springs, air bag columns are arranged in the clamping strips, an air pump communicated with the air bag columns through air pipes is arranged on the rack, and the air pump is connected with the air bag columns through air pipes. After the air bag columns are inflated, the clamping strips deform to be separated from the fixing strips and cannot be fixed, the problem that in the prior art, when the quilting and embroidering machine works, the clamping strips in the length direction of the cloth are inconvenient to clamp and disassemble is solved, and the clamping strips are well applied to cloth processing factories.

Description

Technical Field

[0001] This field belongs to the technical field of quilting machines, and particularly relates to a pneumatic fixing device for the side of the fabric used in a quilting machine. Background Art

[0002] When a quilting machine processes fabric, it is necessary to fix the side edges in the length direction of the fabric. The clamping strip is used in cooperation with the edge of the placement table. The fabric edge is located between the clamping strip and the placement table to ensure the flatness of the fabric on the placement table. However, the working length of the quilting machine is more than ten meters each time, and a large number of clamping strips are required. Workers often hold a pile of clamping strips for clamping and disassembling, and even need to make two or three trips, which is very inconvenient. Summary of the Invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present utility model provides a pneumatic fixing device for the side of the fabric used in a quilting machine, which solves the problem of inconvenient clamping and disassembling of the clamping strips in the length direction of the fabric when the quilting machine works in the prior art.

[0004] Its technical solution is that the pneumatic fixing device for the side of the fabric used in a quilting machine includes a placement table on the quilting machine for placing the fabric, a fixing strip is arranged on the placement table and is used in cooperation with the clamping strip to fix the fabric edge, a frame. A connecting seat is arranged on the placement table. There are multiple connecting seats and they are evenly spaced along the length direction of the placement table. A connecting rod is arranged on the clamping strip. The connecting rod has a "T" - shaped structure. One end of the connecting rod far from the clamping strip is hinged to the connecting seat through a torsion spring. An air bag column is arranged inside the clamping strip, and an air pump connected to the air bag column through an air pipe is arranged on the frame, forming a structure in which the clamping strip deforms and disengages from the fixing strip after the air bag column is inflated to release the fixation of the fabric.

[0005] Preferably, a clamping groove for cooperating with the clamping strip is arranged on the connecting rod. A fastening strip is hinged in the clamping groove. There are two fastening strips and they are symmetrically arranged about the mid - line of the clamping groove. The surfaces of the two fastening strips close to each other are in an arc structure. Both ends of the two fastening strips in the length direction are provided with connecting ears integrally formed with them, and the two opposite connecting ears are connected by a spring.

[0006] Preferably, a long groove is arranged inside the fastening strip. A rotating shaft is rotatably connected in the long groove. There are multiple rotating shafts and they are evenly spaced along the width direction of the long groove. Convex points are arranged on the rotating shaft. There are multiple convex points and they are evenly spaced along the length direction of the rotating shaft. One end of each rotating shaft extends to the outside of the fastening strip and is hinged with a positioning rod for fixing the rotation angle of the rotating shaft.

[0007] Preferably, the positioning rod has an "L" - shaped structure. A positioning groove is arranged on one side surface of the fastening strip. There are multiple positioning grooves and they are centrosymmetric about the center of the rotating shaft.

[0008] Preferably, the bump includes a base point and a convex ball. A through hole for the rotating shaft to pass through is provided on the base point, and the base point is adhesively bonded to the rotating shaft. A screw rod integrally structured with the convex ball is provided on the convex ball, and a screw hole for cooperating with the screw rod is provided in the base point, forming a structure in which the convex ball relies on the screw rod and the screw hole to adjust the length of the bump.

[0009] The beneficial effect of the present utility model is that a connecting seat is provided on the edge of the placing table for placing the fabric on the quilting and embroidery machine. The connecting seat is fixed to the clamping strip through a connecting rod, and an airbag column for the clamping strip to break away from the fixing strip after deformation is provided in the clamping strip. An air pump communicated with the airbag column is provided on the frame, which is convenient for inflating the airbag column under the connection of the air pipe to realize the unified opening of the clamping strip.

[0010] The setting of the clamping groove in the connecting rod facilitates the fastening strip to be connected to the inner wall of the clamping groove through the hinge seat integrally structured with it. The two fastening strips are connected by a spring in a tensile state under normal conditions, which is convenient for fixing the clamping strips with different structures to the connecting rod.

[0011] The setting of the long groove in the fastening strip facilitates the placement of the rotating shaft and the bump. The convex ball and the base point are provided, and the distance is adjusted through the screw rod and the screw hole. The position of the bump is adjusted according to the outer wall of the clamping strip, which is convenient for fixing the clamping strip. The setting of the positioning rod at the end of the rotating shaft and the positioning groove on the fastening strip facilitates the fixing of the rotation angle of the rotating shaft. Description of the Drawings

[0012] Figure 1 is the front view of the pneumatic fixing device for the side of the fabric of the present utility model for the quilting and embroidery machine;

[0013] Figure 2 is the front view of the connecting rod of the pneumatic fixing device for the side of the fabric of the present utility model for the quilting and embroidery machine;

[0014] Figure 3 is the structural diagram of the bump of the pneumatic fixing device for the side of the fabric of the present utility model for the quilting and embroidery machine;

[0015] Figure 4 is the front view of the fastening strip of the pneumatic fixing device for the side of the fabric of the present utility model for the quilting and embroidery machine.

[0016] Wherein 1 is the placing table, 2 is the clamping strip, 3 is the connecting seat, 4 is the connecting rod, 5 is the airbag column, 6 is the air pipe, 7 is the clamping groove, 8 is the fastening strip, 9 is the connecting ear, 10 is the spring, 11 is the long groove, 12 is the rotating shaft, 13 is the bump, 14 is the positioning rod, 15 is the positioning groove, 16 is the base point, 17 is the convex ball, 18 is the through hole, 19 is the screw rod, 20 is the screw hole. Detailed Embodiment

[0017] The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope protected by the present utility model. In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.

[0018] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0019] The following further elaborates on the specific implementation manners of the present utility model in conjunction with the drawings in the specification.

[0020] Embodiment 1: As shown in the drawings of the specification, a pneumatic fixing device for the side of the fabric of a quilting and embroidery machine includes a placement table 1 on the quilting and embroidery machine for placing the fabric. A fixing strip is provided on the placement table 1 and is used in cooperation with the clamping strip 2 to fix the edge of the fabric, and a frame. A connecting seat 3 is fixed to the placement table 1 by bolts. There are multiple connecting seats 3 and they are evenly spaced along the length direction of the placement table 1. A connecting rod 4 is detachably provided on the clamping strip 2. The connecting rod 4 has a "T" - shaped structure. One end of the connecting rod 4 away from the clamping strip 2 is hinged to the connecting seat 3 through a torsion spring. An airbag column 5 is adhesively bonded inside the clamping strip 2. The airbag column 5 belongs to the prior art. An air pump connected to the airbag column 5 through a trachea 6 is fixed to the frame by screws, forming a structure in which after the airbag column 5 is inflated, the clamping strip 2 deforms and disengages from the fixing strip to release the fixation of the fabric.

[0021] In one embodiment, as shown in the attached drawings, a clamping groove 7 for cooperating with the clamping strip 2 is provided on the connecting rod 4. A fastening strip 8 is hinged in the clamping groove 7. An articulated seat which is of an integral structure with the fastening strip 8 and connected to the fastening strip 8 is provided on the fastening strip 8. There are two fastening strips 8 which are symmetrically arranged about the midline of the clamping groove 7. The mutually approaching surfaces of the two fastening strips 8 are of an arc structure. Connection ears 9 which are of an integral structure with the fastening strips 8 are provided at both ends of the two fastening strips 8 in the length direction. The connection ears 9 are of a rectangular plate structure. The two opposite connection ears 9 are connected by a spring 10. The spring 10 is in a stretched state under normal conditions. A long groove 11 which is recessed into the fastening strip 8 itself is provided in the fastening strip 8. A rotating shaft 12 is rotatably connected in the long groove 11. There are multiple rotating shafts 12 which are evenly spaced along the width direction of the long groove 11. Protruding points 13 are provided on the rotating shaft 12. There are multiple protruding points 13 which are evenly spaced along the length direction of the rotating shaft 12. One end of each rotating shaft 12 extends to the outside of the fastening strip 8 and is hinged with a positioning rod 14 for fixing the rotation angle of the rotating shaft 12. The positioning rod 14 is of an "L" shape structure. A positioning groove 15 is provided on one side surface of the fastening strip 8. There are multiple positioning grooves 15 which are centrosymmetrically arranged about the center of the rotating shaft 12. The protruding point 13 includes a base point 16 and a convex ball 17. A through hole 18 for the rotating shaft 12 to pass through is provided on the base point 16. The base point 16 is glued to the rotating shaft 12. A screw rod 19 which is of an integral structure with the convex ball 17 is provided on the convex ball 17. A threaded hole 20 for cooperating with the screw rod 19 is provided in the base point 16, forming a structure in which the convex ball 17 adjusts the length of the protruding point 13 by relying on the screw rod 19 and the threaded hole 20.

[0022] In the utility model, a connecting seat is arranged on the edge of the placing table for placing the fabric on the quilting machine. The connecting seat is fixed to the clamping strip through a connecting rod. An airbag column for the clamping strip to deform and break away from the fixing strip is arranged in the clamping strip. An air pump communicated with the airbag column is arranged on the frame, which is convenient for inflating the airbag column under the connection of the air pipe to realize the unified opening of the clamping strip. The arrangement of the clamping groove in the connecting rod is convenient for the fastening strip to be connected to the inner wall of the clamping groove through the articulated seat which is of an integral structure with the fastening strip. The two fastening strips are connected by a spring which is in a stretched state under normal conditions, which is convenient for clamping strips with different structures to be fixed to the connecting rod. The arrangement of the long groove in the fastening strip is convenient for the placement of the rotating shaft and the protruding point. The arrangement of the convex ball and the base point, the distance is adjusted by the screw rod and the threaded hole, and the position of the protruding point is adjusted according to the outer wall of the clamping strip, which is convenient for the fixing of the clamping strip. The arrangement of the positioning rod at the end of the rotating shaft and the positioning groove on the fastening strip is convenient for fixing the rotation angle of the rotating shaft.

[0023] The above has described the present utility model in detail through specific embodiments and examples, but these do not constitute a limitation to the present utility model. Without departing from the principle of the present utility model, those skilled in the art can also make many deformations and improvements, which should also be regarded as the protection scope of the present utility model.

Claims

1. A pneumatic fabric side fixing device for a quilting embroidery machine, comprising a placing table (1) on the quilting embroidery machine for placing fabric, the placing table (1) being provided with a fixing strip for cooperating with a clamping strip (2) for fixing the edge of the fabric, and a frame, characterized in that: The placement platform (1) is provided with a connecting seat (3), and the connecting seats (3) are multiple and are evenly spaced along the length direction of the placement platform (1). The clamping strip (2) is provided with a connecting rod (4), and the connecting rod (4) is in a "T"-shaped structure. The end of the connecting rod (4) away from the clamping strip (2) is hinged to the connecting seat (3) through a torsion spring. The clamping strip (2) is provided with an airbag column (5), and the frame is provided with an air pump connected to the airbag column (5) through an air pipe (6), so that the airbag column (5) can clamp the strip after being inflated. (2) The structure that cannot be fixed when the fixing strip is deformed and released is provided on the connecting rod (4). A clamping groove (7) used in conjunction with the clamping strip (2) is hinged in the clamping groove (7). There are two fastening strips (8) and they are symmetrically arranged about the center line of the clamping groove (7). The sides of the two fastening strips (8) that are close to each other are in an arc-shaped structure. The two ends of the two fastening strips (8) in the length direction are provided with connecting ears (9) with an integral structure therewith. The two connecting ears (9) are connected to each other via a spring (10).

2. The pneumatic fixing device for fabric side edge of quilting embroidery machine according to claim 1, characterized in that: The fastening strip (8) is provided with a long slot (11), a rotating shaft (12) is rotatably connected in the long slot (11), a plurality of rotating shafts (12) are arranged evenly spaced along the width direction of the long slot (11), a plurality of convex points (13) are arranged on the rotating shaft (12), a plurality of convex points (13) are arranged evenly spaced along the length direction of the rotating shaft (12), and one end of each rotating shaft (12) extends to the outside of the fastening strip (8) and is hingedly connected to a positioning rod (14) for fixing the rotation angle of the rotating shaft (12).

3. The pneumatic fixing device for the side edge of fabric for quilting embroidery machine according to claim 2, characterized in that: The positioning rod (14) is in an "L"-shaped structure, and a positioning groove (15) is provided on one side of the fastening strip (8). There are a plurality of positioning grooves (15) which are centrally symmetrically arranged about the center of the rotating shaft (12).

4. The pneumatic fixing device for fabric side edge of quilting embroidery machine according to claim 2, characterized in that: The convex point (13) comprises a base point (16) and a convex ball (17); the base point (16) is provided with a through hole (18) for the rotation shaft (12) to pass through; the base point (16) is adhesively bonded to the rotation shaft (12); the convex ball (17) is provided with a screw rod (19) integrally formed therewith; the base point (16) is provided with a screw hole (20) for use with the screw rod (19), thereby forming a structure in which the convex ball (17) relies on the screw rod (19) and the screw hole (20) to adjust the length of the convex point (13).

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