CN212771318U - Support frame for multi-needle sewing elastic band - Google Patents

Abstract

The utility model discloses a supporting frame for sewing elastic bands by a multi-needle machine, which comprises a bracket; an elastic band tensioning mechanism is fixed at one end of the transition platform, and an elastic band input groove which is arranged downwards is arranged at one end adjacent to the transition platform; a direction-changing roller is rotatably arranged between the inner walls of the two sides of the elastic band input groove, which are adjacent to the transition platform, and a supporting roller is rotatably arranged between the inner walls of the two sides of the elastic band input groove. The advantages are that: the transition platform is butted with a platform of the multi-needle machine, and the elastic band passes through the supporting roll, the turning roll and the elastic band tensioning mechanism and then passes through the space between two mutually meshed guide wheels of the multi-needle machine along the transition platform; in the operation process of the multi-needle machine, the guide wheel drives the elastic band to move forwards, the elastic band between the guide wheel and the elastic band tensioning mechanism is in a stretching state, the stretching amount of the elastic band can be kept uniform and meet the technological requirements by adjusting the pressing force of the elastic band tensioning mechanism on the elastic band, the finished product after sewing has regular shrinkage, the product meets the qualified requirements, and the working efficiency is high.

Description

Support frame for multi-needle sewing elastic band

The technical field is as follows:

the utility model relates to a many needles machine auxiliary assembly technical field, in particular to many needles machine sews up support frame for elastic cord.

Background art:

elastic bands are also called elastic threads, are widely used in the design of clothes, are usually used for being sewn on clothes products such as trousers, sportswear, underwear and the like, and are particularly popular in the market because the elastic bands with certain widths are used; the method for sewing the elastic band on the fabric at present is that firstly, the elastic band and the fabric with a certain size are cut according to the process requirements, after the elastic band and the fabric are overlapped, an operator fixes two ends of the elastic band and two ends of the fabric by binding auxiliary threads, the elastic band is stretched by hand force and is sewn with the fabric along the length direction of the elastic band by a sewing machine, but in the process of stretching the elastic band, the hand force of the operator is not uniform, so that the shrinkage of a finished product is irregular, and the quality of the product is unqualified; in addition, in the sewing process, the operation difficulty of an operator is high, time and labor are wasted, and the working efficiency is low.

The utility model has the following contents:

an object of the utility model is to provide a atress is even so that the regular and labour saving and time saving's of finished product shrinkage support frame for sewing elastic cord of multi-needle machine can be guaranteed when the elastic cord is stretched out.

The utility model discloses by following technical scheme implement: the supporting frame for sewing the elastic band by the multi-needle machine comprises a bracket and a transition platform horizontally fixed at the top end of the bracket; an elastic band tensioning mechanism is fixed on the table top at one end of the transition platform, an elastic band input groove which is downwards inclined towards the transition platform is arranged at one end adjacent to the transition platform, and the bottom end of the elastic band input groove is fixedly connected with the support; the elastic cord input groove is adjacent to rotate between the both sides inner wall of transition platform and be equipped with and arrange in the diversion roller of transition platform top is arranged in the diversion roller top rotate between the both sides inner wall in elastic cord input groove and be equipped with the backing roll.

Furthermore, the elastic band tensioning mechanism comprises a bolt, a pressure spring, an upper compression roller and a lower compression roller, the cross sections of the upper compression roller and the lower compression roller are semicircular, a groove is formed in the table top at one end of the transition platform, the lower compression roller is arranged in the groove, the plane of the lower compression roller is abutted against the groove bottom of the groove, and the cambered surface of the lower compression roller is tangent to the table top of the transition platform; the upper compression roller is arranged above the lower compression roller, and the cambered surface of the upper compression roller is abutted to the cambered surface of the lower compression roller; the bolts vertically penetrate through two ends of the upper compression roller respectively and sequentially penetrate through the lower compression roller and the transition platform; the bolt above the upper compression roller is sleeved with the pressure spring, and the bolt above the pressure spring is sleeved with a compression nut.

Furthermore, a guide groove is arranged between the transition platform and the elastic band input groove, one end of the guide groove is fixedly connected with the end face of the transition platform, and the groove bottom of the guide groove and the table face of the transition platform are in the same horizontal plane.

Furthermore, a connecting piece is fixed on the bottom surface of the other end of the transition platform.

Furthermore, an auxiliary platform is horizontally fixed on the side wall of the other end of the transition platform.

The utility model has the advantages that: when the elastic band is sewn on the fabric through the multi-needle machine, the transition platform of the utility model is firstly butted with the platform of the multi-needle machine and is positioned in the same plane; the end part of the elastic band sequentially passes through the supporting roll, the turning roll and the space between the upper compression roll and the lower compression roll of the elastic band tensioning mechanism, and then passes through the space between two guide wheels which are meshed with each other by a multi-needle machine along the transition platform; the compression amount of the compression spring is adjusted through the compression nut, the pressing force of the upper compression roller and the pressing force of the lower compression roller on the elastic cord can be adjusted, in the operation process of the multi-needle machine, the elastic cord is driven to move forwards through the guide wheel, at the moment, the elastic cord between the guide wheel and the elastic cord tensioning mechanism is in a stretching state, the pressing force of the elastic cord tensioning mechanism on the elastic cord is adjusted, the extension amount of the elastic cord can be kept uniform and meets the technological requirements, the finished product shrinkage amount of the wrapped fabric sewn through the multi-needle machine is regular, the product meets the qualified requirements, the sewing process is time-saving and labor-saving.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

The parts in the drawings are numbered as follows: the device comprises a support 1, a transition platform 2, a groove 2.1, an elastic band tensioning mechanism 3, a pressure spring 3.1, an upper compression roller 3.2, a bolt 3.3, a lower compression roller 3.4, a compression nut 3.5, an elastic band input groove 4, a turning roller 5, a support roller 6, a guide groove 7, a connecting piece 8, an auxiliary platform 9, an elastic band 10, a multi-needle machine 11 and a guide wheel 12.

The specific implementation mode is as follows:

as shown in fig. 1 and 2, the support frame for sewing elastic bands by a multi-needle machine comprises a support 1 and a transition platform 2 horizontally fixed at the top end of the support 1; the transition platform 2 is of a cuboid structure, an elastic band tensioning mechanism 3 is fixed on a table top at one end of the transition platform 2, the elastic band tensioning mechanism 3 comprises a bolt 3.3, a pressure spring 3.1, an upper compression roller 3.2 and a lower compression roller 3.4, the cross sections of the upper compression roller and the lower compression roller are semi-circles, a groove 2.1 is formed in the table top at one end of the transition platform 2 along the width direction of the transition platform 2, the lower compression roller 3.4 is arranged in the groove 2.1, the plane of the lower compression roller 3.4 is abutted to the bottom of the groove 2.1, and the cambered surface of the lower compression roller 3.4 is tangent to the table; the upper press roll 3.2 is arranged above the lower press roll 3.4, and the cambered surface of the upper press roll 3.2 is abutted with the cambered surface of the lower press roll 3.4; bolts 3.3 vertically penetrate through two ends of the upper compression roller 3.2 respectively, a nut of each bolt 3.3 is abutted to the bottom surface of the transition platform 2, the end part of each bolt 3.3 sequentially penetrates through the lower compression roller 3.4 and the upper compression roller 3.2 and is arranged above the upper compression roller 3.2, a compression spring 3.1 is sleeved on each bolt 3.3 above the upper compression roller 3.2, and a compression nut 3.5 is sleeved on each bolt 3.3 above the compression spring 3.1 in a threaded manner; the compression amount of the compression spring 3.1 is adjusted through the compression nut 3.5, so that the pressing force of the elastic band 10 penetrating between the upper compression roller 3.2 and the lower compression roller 3.4 can be adjusted; an elastic band input slot 4 which is obliquely arranged downwards towards the transition platform 2 is arranged at one end adjacent to the transition platform 2, and the bottom end of the elastic band input slot 4 is fixedly connected with the bracket 1; a guide groove 7 is arranged between the transition platform 2 and the elastic band input groove 4, one end of the guide groove 7 is fixedly connected with the end face of the transition platform 2, the groove bottom of the guide groove 7 and the table top of the transition platform 2 are in the same horizontal plane, the other end of the guide groove 7 extends towards the elastic band input groove 4, and the guide groove 7 plays a role in guiding the elastic band 10 to avoid deviation; a direction-changing roller 5 arranged above the transition platform 2 is rotatably arranged between the inner walls of the two sides of the elastic band input groove 4 adjacent to the guide groove 7, a supporting roller 6 is rotatably arranged between the inner walls of the two sides of the elastic band input groove 4 arranged above the direction-changing roller 5, and the end part of the elastic band 10 passes through the elastic band input groove 4, obliquely and downwards sequentially passes around the top surface of the supporting roller 6 and the bottom surface of the direction-changing roller 5 along the elastic band input groove 4, and then horizontally passes through the bottom surface of the upper pressing roller 3.2; the elastic band 10 is changed from the inclined state to the horizontal state through the direction changing roller 5; a connecting piece 8 is fixed on the bottom surface of the other end of the transition platform 2, the connecting piece 8 in the embodiment is an angle steel, one side of the angle steel is vertically and fixedly connected with the bottom surface of the transition platform 2, and the other side of the angle steel is used for being fixedly connected with the platform of the multi-needle machine 11, so that the utility model is firmly fixed with the multi-needle machine 11; an auxiliary platform 9 is horizontally fixed on the side wall of the other end of the transition platform 2, and the auxiliary platform 9 is used for placing fabrics for sewing the elastic bands 10; when the elastic band 10 is sewed on the fabric by the multi-needle machine 11, the transition platform 2 of the utility model is firstly butted with the platform of the multi-needle machine 11 and is fixedly connected with the multi-needle machine 11 by the connecting piece 8, and simultaneously, the transition platform 2 and the platform of the multi-needle machine 11 are in the same plane; after penetrating from the top end of the elastic band input groove 4, sequentially passing through the top surface of the supporting roller 6 and the bottom surface of the turning roller 5 along the elastic band input groove 4 in an inclined and downward manner, horizontally penetrating from the bottom surface of the upper pressing roller 3.2, and penetrating between two guide wheels 12 which are mutually meshed with a multi-needle machine 11 along the transition platform 2; in order to keep the extension amount of the elastic band 10 uniform and meet the process requirements, the compression amount of a compression spring 3.1 is adjusted through a compression nut 3.5, so that the pressing force of an upper compression roller 3.2 on the elastic band 10 is adjusted; in the 11 operation processes of multi-needle machine, two guide pulleys 12 through 11 intermeshing of multi-needle machine drive elastic cord 10 forward movement, at this moment, elastic cord 10 between guide pulley 12 and the last compression roller 3.2 is in the state of stretching out, the elongation of elastic cord 10 keeps evenly and reaches the technological requirement, after the surface fabric was wrapped up this moment, make up through multi-needle machine 11, the finished product shrinkage after making up is regular, the product reaches the qualification requirement, make up process labour saving and time saving moreover, high work efficiency.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The supporting frame for sewing the elastic band by the multi-needle machine is characterized by comprising a bracket and a transition platform horizontally fixed at the top end of the bracket; an elastic band tensioning mechanism is fixed on the table top at one end of the transition platform, an elastic band input groove which is downwards inclined towards the transition platform is arranged at one end adjacent to the transition platform, and the bottom end of the elastic band input groove is fixedly connected with the support; the elastic cord input groove is adjacent to rotate between the both sides inner wall of transition platform and be equipped with and arrange in the diversion roller of transition platform top is arranged in the diversion roller top rotate between the both sides inner wall in elastic cord input groove and be equipped with the backing roll.

2. The supporting frame for sewing an elastic band by using the multi-needle machine as claimed in claim 1, wherein the elastic band tensioning mechanism comprises a bolt, a pressure spring, an upper compression roller and a lower compression roller, the cross sections of which are semicircular, a groove is formed on a table top at one end of the transition platform, the lower compression roller is arranged in the groove, the plane of the lower compression roller is abutted against the groove bottom of the groove, and the cambered surface of the lower compression roller is tangent to the table top of the transition platform; the upper compression roller is arranged above the lower compression roller, and the cambered surface of the upper compression roller is abutted to the cambered surface of the lower compression roller; the bolts vertically penetrate through two ends of the upper compression roller respectively and sequentially penetrate through the lower compression roller and the transition platform; the bolt above the upper compression roller is sleeved with the pressure spring, and the bolt above the pressure spring is sleeved with a compression nut.

3. The supporting frame for sewing an elastic band according to claim 1 or 2, wherein a guide groove is provided between the transition platform and the elastic band input groove, one end of the guide groove is fixedly connected with the end surface of the transition platform, and the groove bottom of the guide groove is in the same horizontal plane with the table surface of the transition platform.

4. The holder for a multi-needle machine sewn elastic band as claimed in claim 3, wherein a connecting member is fixed to the bottom surface of the other end of said transition platform.

5. The holder for a multi-needle machine sewn elastic according to claim 3, wherein an auxiliary platform is horizontally fixed to the other end side wall of the transition platform.

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