Overlocking machine lifting frame

Abstract

The utility model relates to an overlocking machine lifting frame which comprises a base matched with an overlocking machine head mounting hole, supporting columns fixedly installed on the left side and the right side of the base, a top plate fixedly installed on the top faces of the supporting columns, a support installed on the supporting column on the left side, a lower supporting roller set and an upper supporting roller set, wherein the lower supporting roller set and the upper supporting roller set are installed on the support. The plane where the top face of the upper supporting roller set is located is coplanar with a sewing table face of the serger. An elastic band is laid on a trouser waist and then is supported and sleeved on the rear lower roller, the front lower roller, the rear upper roller and the front upper roller, the elastic band can be adjusted to a proper stretching size only by operating the trouser waist with one hand, even a beginner can operate and use the device, a finished product is regular, stitches after sewing are neat and attractive, the quality of the finished product is high, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a lifting frame for an overlocking machine, belonging to the technical field of clothing tools. Background Art

[0002] The waistbands of casual pants, autumn trousers and underwear are all elastic. Currently, the waistbands are connected by aligning the elastic band with the waistband of the pants and then directly placing it under the presser foot of the sewing machine for sewing. Due to the limited space under the presser foot, when connecting and sewing the elastic band to the waistband, the operator needs to stretch the waistband with one hand and the elastic band with the other hand to align them before sewing. The stitches are easy to deviate during sewing, thus affecting the product quality. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a lifting frame for an overlocking machine which is easy to stretch out an elastic band and convenient to adjust.

[0004] The utility model adopts the following technical solutions:

[0005] The utility model comprises a base adapted to the mounting hole of the overlock machine head, pillars fixedly mounted on the left and right sides of the base, a top plate fixedly mounted on the top surfaces of the pillars, a bracket mounted on the left pillar, and a lower supporting roller group and an upper supporting roller group mounted on the bracket; workpieces are supported on the lower supporting roller group and the upper supporting roller group; and the plane where the top surface of the upper supporting roller group is located is coplanar with the sewing table surface of the overlock machine.

[0006] The pillars on the left side of the utility model include a left front pillar and a left rear pillar; the pillars on the right side include a right front pillar and a right rear pillar; the top plate includes a front top plate fixed on the tops of the left front pillar and the right front pillar, and a rear top plate fixed on the tops of the left rear pillar and the right rear pillar; the bracket includes a rear Y-direction plate fixedly mounted on the left rear pillar, a rear adjustment Z-direction plate installed on the side of the rear Y-direction plate, a front Y-direction plate fixedly mounted on the left front pillar, and a front adjustment Z-direction plate fixedly mounted on the side of the front Y-direction plate; a Y-direction length adjustment hole is set on the rear Y-direction plate, and two adjustment screws are set in the Y-direction length adjustment hole; the rear adjustment Z-direction plate includes a rear Y-direction plate fixedly mounted on the left rear pillar, a rear Y-direction plate fixedly mounted on the side of the rear Y-direction plate, and a rear Y-direction plate fixedly mounted on the side of the front Y-direction plate; a Y-direction length adjustment hole is set on the rear Y-direction plate, and two adjustment screws are set in the Y-direction length adjustment hole; the rear adjustment Z-direction plate includes a rear Y-direction plate fixedly mounted on the left rear pillar, and a rear Y-direction plate fixedly mounted on the side of the front Y-direction plate; the rear Y-direction plate includes a rear Y-direction plate fixedly mounted on the left rear pillar, and a rear Y-direction plate fixedly mounted on the side of the front Y-direction plate; the rear Y-direction plate includes a rear Y-direction plate fixedly mounted on the left front ... left front pillar; the rear Y-direction plate includes a rear Y-direction plate fixedly mounted on the left The invention comprises a Z-direction plate A installed on two adjusting screws, an arc-shaped adjusting hole A arranged on the top of the Z-direction plate A, an adjusting screw installed on the arc-shaped adjusting hole A and a Z-direction plate B installed on the adjusting screw, wherein the Z-direction plate A is hinged to the Z-direction plate B; a Z-direction adjusting long hole A is arranged on the Z-direction plate B; the front adjusting Z-direction plate comprises a Z-direction plate C fixedly installed on the front side of the front Y-direction plate, an arc-shaped adjusting hole B arranged on the top of the Z-direction plate C, an adjusting screw installed on the arc-shaped adjusting hole B and a Z-direction plate D installed on the adjusting screw, the Z-direction plate C is hinged to the Z-direction plate D; a Z-direction adjusting long hole B is arranged on the Z-direction plate D.

[0007] The utility model comprises a lower supporting roller wheel group including a rear lower roller wheel installed on the front end side of the rear Y-direction plate and a front lower roller wheel installed on the rear end side of the front Y-direction plate; the upper supporting roller wheel group includes a rear upper roller wheel installed on the Z-direction adjusting long hole A through an adjusting screw and a front upper roller wheel installed on the Z-direction adjusting long hole B.

[0008] The utility model comprises a movable limiting leather cover mounted on a rear lower roller, a front lower roller, a rear upper roller and a front upper roller.

[0009] The utility model has positioning plates installed on the front side and the rear side of the base.

[0010] The utility model has a front limit plate installed at the middle of the front side of the front top plate, and a rear limit plate installed at the middle of the rear side of the rear top plate.

[0011] The utility model has a screw rod threadedly mounted on the front limit plate, a fixing plate mounted on the rear end of the screw rod, and a knob mounted on the front end of the screw rod.

[0012] The positive effects of the utility model are as follows: loosening and tightening the two screws on the Y-axis long adjustment hole of the utility model can adjust the position of the Z-axis plate A on the Y-axis long adjustment hole, loosening and tightening the adjustment screws on the arc adjustment hole A can adjust the forward and backward tilt angles of the Z-axis plate B; loosening and tightening the adjustment screws on the arc adjustment hole B can adjust the forward and backward tilt angles of the Z-axis plate D; loosening and tightening the adjustment screws can respectively correspond to the Z-axis adjustment long hole A and the Z-axis adjustment long hole B to adjust the height of the rear upper roller and the front upper roller respectively; that is, it is convenient to adjust the width and height between the rear upper roller and the front upper roller, so that the top surfaces of the rear upper roller and the front upper roller are coplanar with the sewing table of the overlock machine, and the working space is increased, the elastic band is spread on the waistband, and then it is supported on the rear lower roller, the front lower roller, the rear upper roller and the front upper roller, the elastic band can be adjusted to the appropriate stretching size. Only one hand is needed to operate the waistband, and even beginners can operate and use it, and the finished product is regular,

[0013] The stitches after sewing are neat and beautiful, the finished product quality is high, it is suitable for mass production and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Attached Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Attached Figure 2 This is a schematic diagram of the rear Y-direction plate structure of the utility model;

[0016] Attached Figure 3 It is a schematic diagram of the working state structure of the utility model. DETAILED DESCRIPTION

[0017] In the description of the present invention, it should be understood that the directional word "front" refers to the position of the front upper roller, that is, the position corresponding to the operator, and "rear" refers to the position of the rear upper roller away from the operator.

[0018] As attached Figure 1 , 3 As shown, the utility model includes a base 1 adapted to the mounting hole of the overlock machine head, pillars fixedly installed on the left and right sides of the base 1, a top plate fixedly installed on the top surfaces of the pillars, a bracket installed on the left pillar, and a lower support roller group and an upper support roller group installed on the bracket; the plane where the top surface of the upper support roller group is located is coplanar with the sewing table of the overlock machine.

[0019] As attached Figure 1 , 2 As shown, the pillars on the left side of the utility model include a left front pillar 21 and a left rear pillar 22; the pillars on the right side include a right front pillar and a right rear pillar; the top plate includes a front top plate 31 fixed on the top of the left front pillar 21 and the right front pillar, and a rear top plate 32 fixed on the top of the left rear pillar 22 and the right rear pillar; the top surfaces of the front top plate 31 and the rear top plate 32 are working surfaces, and the bracket includes a rear Y-direction plate 41 fixedly mounted on the left rear pillar 22, a rear adjustment Z-direction plate installed on the side of the rear Y-direction plate 41, a front Y-direction plate 42 fixedly mounted on the left front pillar 21, and a front adjustment Z-direction plate fixedly mounted on the side of the front Y-direction plate 42; a Y-direction length adjustment hole 43 is provided on the rear Y-direction plate 41, and two adjustment screws are provided in the Y-direction length adjustment hole 43; the rear adjustment Z-direction plate includes a Z-direction plate installed on the two adjustment screws A44, an arc-shaped adjustment hole A45 arranged on the top of the Z-direction plate A44, an adjustment screw installed on the arc-shaped adjustment hole A45, and a Z-direction plate B46 installed on the adjustment screw, wherein the Z-direction plate A44 is hinged with the Z-direction plate B46; loosening and tightening the two screws on the Y-direction long adjustment hole 43 can adjust the position of the Z-direction plate A44 on the Y-direction long adjustment hole 43, and loosening and tightening the adjustment screw on the arc-shaped adjustment hole A45 can adjust the forward and backward tilt angle of the Z-direction plate B46; a Z-direction adjustment long hole A50 is arranged on the Z-direction plate B46; the front adjustment Z-direction plate includes a Z-direction plate C47 fixedly installed on the front side of the front Y-direction plate 42, an arc-shaped adjustment hole B48 arranged on the top of the Z-direction plate C47, an adjustment screw installed on the arc-shaped adjustment hole B48, and a Z-direction plate D49 installed on the adjustment screw, The Z-direction plate C47 is hinged with the Z-direction plate D49; the forward and backward tilting angles of the Z-direction plate D49 can be adjusted by loosening or tightening the adjusting screws on the arc-shaped adjusting holes B48; a Z-direction adjusting long hole B51 is provided on the Z-direction plate D49.

[0020] As attached Figure 1 , 2As shown, the lower supporting roller set of the utility model includes a rear lower roller 61 installed on the front end side of the rear Y-direction plate 41 and a front lower roller 62 installed on the rear end side of the front Y-direction plate 42; the upper supporting roller set includes a rear upper roller 63 installed on the Z-direction adjustment slot A50 through an adjusting screw and a front upper roller 64 installed on the Z-direction adjustment slot B51. Loosening and tightening the adjusting screws can respectively adjust the height of the rear upper roller 63 and the front upper roller 64 in the Z-direction adjustment slot A50 and the Z-direction adjustment slot B51.

[0021] A movable limiting leather cover 7 is mounted on the rear lower roller 61, the front lower roller 62, the rear upper roller 63 and the front upper roller 64. The position of the movable limiting leather cover 7 can adapt to the locking or sewing of elastic bands of different widths and trouser waists.

[0022] Positioning plates 8 are installed on the front and rear sides of the base 1 to facilitate installation of the base 1 of the utility model in the mounting hole of the overlocking machine head; a front limit plate 91 is installed in the middle of the front side of the front top plate 31, and a rear limit plate 92 is installed in the middle of the rear side of the rear top plate 32. A screw 10 is threadedly installed on the front limit plate 91, a fixing plate 11 is installed at the rear end of the screw 10, and a knob 12 is installed at the front end of the screw 10. The overlocking machine head is placed between the front limit plate 91 and the rear limit plate 92, and the knob 12 is rotated to make the screw 10 drive the fixing plate 11 to rotate and press the head tightly to prevent the head from moving.

[0023] During operation, the utility model is installed in the mounting hole of the overlocking machine head, and the overlocking machine head is installed on the top plate, and the knob 12 is rotated to make the screw 10 drive the fixing plate 11 to rotate and tighten the machine head. After the installation is firm, the position of the Z-direction plate A44 is adjusted according to the width of the workpiece, and the forward and backward tilt angles of the Z-direction plates B46 and D49 are adjusted to determine the width between the rear upper roller 63 and the front upper roller 64, and then the height of the rear upper roller 63 and the front upper roller 64 is adjusted by loosening and tightening the adjusting screws to make the top surfaces of the rear upper roller 63 and the front upper roller 64 coplanar with the sewing table of the overlocking machine; the elastic band is laid on the waistband, and then supported on the rear lower roller 61, the front lower roller 62, the rear upper roller 63 and the front upper roller, the working surface is placed under the presser foot, and the overlocking machine is started for sewing. The stitches of the sutures are neat and beautiful, and the finished product has high quality. It is suitable for mass production work and improves work efficiency.

[0024] 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 aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A lifting frame for an overlocking machine, characterized in that: It comprises a base (1) adapted to the mounting hole of the overlock machine head, pillars fixedly mounted on the left and right sides of the base (1), a top plate fixedly mounted on the top surfaces of the pillars, a bracket mounted on the left pillar, and a lower support roller group and an upper support roller group mounted on the bracket; the workpiece is supported on the lower support roller group and the upper support roller group; The plane where the top surface of the upper supporting roller wheel group is located is coplanar with the sewing table of the overlock machine.

2. The overlock machine lifting frame according to claim 1, characterized in that: The left side support includes a left front support (21) and a left rear support (22); the right side support includes a right front support and a right rear support; The top plate comprises a front top plate (31) fixed to the top of the left front pillar (21) and the right front pillar, and a rear top plate (32) fixed to the top of the left rear pillar (22) and the right rear pillar; The bracket comprises a rear Y-direction plate (41) fixedly mounted on the left rear support (22), a rear adjustment Z-direction plate mounted on the side of the rear Y-direction plate (41), a front Y-direction plate (42) fixedly mounted on the left front support (21), and a front adjustment Z-direction plate fixedly mounted on the side of the front Y-direction plate (42); A Y-direction long adjustment hole (43) is provided on the rear Y-direction plate (41), and two adjustment screws are provided in the Y-direction long adjustment hole (43); the rear adjustment Z-direction plate comprises a Z-direction plate A (44) mounted on the two adjustment screws, an arc-shaped adjustment hole A (45) provided on the top of the Z-direction plate A (44), an adjustment screw installed on the arc-shaped adjustment hole A (45), and a Z-direction plate B (46) installed on the adjustment screw, wherein the Z-direction plate A (44) is hingedly connected to the Z-direction plate B (46); and a Z-direction long adjustment hole A (50) is provided on the Z-direction plate B (46); The front adjustment Z-direction plate comprises a Z-direction plate C (47) fixedly mounted on the front side of the front Y-direction plate (42), an arc-shaped adjustment hole B (48) arranged on the top of the Z-direction plate C (47), an adjustment screw mounted on the arc-shaped adjustment hole B (48), and a Z-direction plate D (49) mounted on the adjustment screw, wherein the Z-direction plate C (47) is hingedly connected to the Z-direction plate D (49); and a Z-direction adjustment long hole B (51) is arranged on the Z-direction plate D (49).

3. The overlock machine lifting frame according to claim 2, characterized in that: The lower supporting roller assembly comprises a rear lower roller (61) mounted on the front end side of the rear Y-direction plate (41) and a front lower roller (62) mounted on the rear end side of the front Y-direction plate (42); The upper support roller assembly includes an adjusting screw mounted on a Z-direction adjusting slot A (50) The rear upper roller (63) on the upper portion and the front upper roller (64) installed on the Z-direction adjustment slot B (51).

4. The overlock machine lifting frame according to claim 3, characterized in that: A movable limiting leather cover (7) is mounted on the rear lower roller (61), the front lower roller (62), the rear upper roller (63) and the front upper roller (64).

5. The overlock machine lifting frame according to claim 1, characterized in that: Positioning plates (8) are installed on the front and rear sides of the base (1).

6. The overlock machine lifting frame according to claim 1 or 5, characterized in that: A front limiting plate (91) is installed in the middle of the front side of the front top plate (31), and a rear limiting plate (92) is installed in the middle of the rear side of the rear top plate (32).

7. The overlock machine lifting frame according to claim 6, characterized in that: A screw rod (10) is threadedly mounted on the front limit plate (91), a fixing plate (11) is mounted on the rear end of the screw rod (10), and a knob (12) is mounted on the front end of the screw rod (10).

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