Multi-needle trouser waist sewing machine

Abstract

The utility model relates to the technical field of sewing machines, in particular to a multi-needle trouser waist sewing machine which comprises a machine table, a machine head, a trouser head expansion assembly, a connection position detection assembly and a stirring and grinding assembly, the machine head is installed in the middle of the top face of the machine table, a working platform is arranged in the middle of the machine head, and the trouser head expansion assembly comprises a first expansion wheel, a second expansion wheel and a third expansion wheel. The first expansion wheel and the second expansion wheel are arranged on the two sides of the working platform respectively, the third expansion wheel is arranged below the working platform, and the third expansion wheel is installed below the working platform and connected with the movable connecting plate at the same time. A third expansion wheel moves downwards through a connecting plate, the inner side of the trouser waist is expanded, friction between the inner side of the trouser waist and the bottom face of the working platform can be effectively prevented after expansion, abrasion is reduced, and meanwhile the situation that a connecting line on the inner side of the trouser waist is broken is also prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sewing machine technical field especially a multi-needle trouser waist sewing machine. BACKGROUND

[0002] The sewing machine is a kind of garment processing equipment specially used for sewing elastic band, mainly used for sewing elastic band to waistband, cuff, hem and other parts. It is widely used in garment factory, underwear factory, sportswear manufacturing factory etc., suitable for mass production;

[0003] When working, the elastic band is conveyed to the sewing position by automatic belt feeding device, and the elastic band and cloth are sewn by sewing machine head. The equipment can automatically complete the sewing process according to the set parameters (such as tightness, sewing stitch etc.), ensure that the elastic band is evenly and smoothly sewn on the cloth.

[0004] The existing trouser waist sewing machine usually adopts the structure of two expansion wheels, which are arranged on both sides of the working platform. When processing the trouser waist, the worker puts the trousers on the two expansion wheels and the working platform between the expansion wheels, and then processes. After the trousers are straightened by the expansion wheels, the trouser waist rotates under the action of the expansion wheels. However, since the trousers are sleeved on the working platform, the inner side of the trousers will rub against the bottom of the working platform during rotation, causing wear and tear, affecting the quality of the trousers, and also possibly causing the connecting line on the inner side of the trousers to break. Therefore, the present inventor proposes a multi-needle trouser waist sewing machine to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model discloses a multi-needle trousers waist sewing machine, including machine table, machine head, trousers head expansion subassembly, connection position detection subassembly and dialing and grinding subassembly, the middle part of machine head is installed on the top of machine table, and the middle part of machine head is equipped with work platform, and the trousers head expansion subassembly includes first expansion wheel, second expansion wheel and third expansion wheel, and first expansion wheel and second expansion wheel are arranged respectively on both sides of work platform, and third expansion wheel is arranged below work platform, and the top of machine table is equipped with guide slide rail close to first expansion wheel and second expansion wheel, and one side of guide slide rail is equipped with drive rack, and the top of movable seat is movably connected with guide slide rail, and the top of movable seat is equipped with connecting plate close to first expansion wheel and second expansion wheel, and connecting plate is connected with first expansion wheel and second expansion wheel, and the top of movable seat is equipped with adjusting motor away from connecting plate, and the output shaft of adjusting motor is connected with drive wheel through movable seat, and the middle part of machine table is equipped with mounting plate, and the one side of mounting plate is fixed with downgoing motor, and the other side of mounting plate is equipped with link plate, and the upper end of link plate is connected with third expansion wheel, and the one side of link plate close to mounting plate is equipped with upper top rack and moving slide rail, and the one side of mounting plate close to moving slide rail is connected with moving slide rail, and the position of mounting plate close to upper top rack is equipped with upper top wheel, and upper top wheel is connected with the drive shaft of downgoing motor, and the position of connecting plate close to first expansion wheel and second expansion wheel is equipped with transmission motor.

[0006] In the above description, further solutions are provided, the dialing and grinding subassembly is connected with the machine head, the dialing and grinding subassembly includes first grinding wheel and second grinding wheel, the first grinding wheel and the second grinding wheel are vertically arranged on both sides of the work platform, the top of the machine head is provided with a swing plate close to the first grinding wheel, the lower end of the swing plate close to the first grinding wheel is provided with a swing rod, the first grinding wheel is rotatably connected with one end of the swing rod, the swing plate is provided with a rotating shaft close to the swing rod, the swing rod is sleeved on the rotating shaft through a bearing, both ends of the bearing are provided with transmission pulleys, the end of the swing rod close to the first grinding wheel is provided with an input pulley connected with the first grinding wheel, the top of the swing plate away from the swing rod is provided with an output motor, an output pulley is sleeved on the drive shaft of the output motor, the top of the swing plate close to the swing rod is provided with an adjusting cylinder, the push rod of the adjusting cylinder is rotatably connected with the swing rod; the adjusting cylinder is used for controlling the swing rod to swing, the output motor connects the output pulley with the transmission pulley at one end of the bearing through a belt, drives the bearing to rotate, when the bearing rotates, the transmission pulley at the other end is connected with the input pulley through a belt, so that the first grinding wheel is driven to rotate.

[0007] In the above description, as a further scheme, a rotating seat is arranged at a position close to the machine head on the top surface of the machine, an adapter plate is connected to the rotating seat, a lifting cylinder is arranged at a position close to the machine head on the adapter plate, a push rod of the lifting cylinder is connected to a movable plate, a driving motor is connected to one side of the movable plate, the driving motor is connected to the second grinding wheel through a fixing rod, a receiving pulley is arranged at one end of the fixing rod close to the second grinding wheel, and a driving pulley is arranged on an output shaft of the driving motor; the lifting cylinder drives the driving motor to move upward through the movable plate, the driving motor drives the second grinding wheel to move upward through the fixing rod, and the driving pulley and the receiving pulley are connected through a belt to provide rolling working effect of the second grinding wheel.

[0008] In the above description, as a further scheme, a pressing wheel is arranged at a position close to the working platform on the top of the machine head, a roller wheel matched with the pressing wheel is arranged at a position close to the pressing wheel on one side of the working platform, the pressing wheel is rotatably connected to the top of the machine head through a rotating seat and a guide rod, a plurality of connecting rods are arranged at a position away from the working platform on one side of the top of the machine head, and the connecting rods are connected to the pressing wheel; the roller wheel and the pressing wheel are used to provide positioning function for trousers.

[0009] In the above description, as a further scheme, the adapter position detection assembly is arranged above the second expanding wheel, the adapter position detection assembly is connected to the connecting plate through a linkage plate and a fine adjustment cylinder, the fine adjustment cylinder is arranged on the connecting plate, the linkage plate is connected to a push rod of the fine adjustment cylinder, one end of the linkage plate away from the fine adjustment cylinder extends towards the second expanding wheel, the adapter position detection assembly comprises a reset seat and a swing block, the reset seat is connected to one end of the linkage plate close to the second expanding wheel, a rotating position is arranged at the bottom of the reset seat, one end of the swing block is rotatably connected to the rotating position, a rolling wheel is arranged at one end of the swing block away from the rotating position, a detection sheet is arranged at the top of the swing block, a distance sensor is arranged above the detection sheet, a reset spring is connected to the top of the reset seat, and one end of the reset spring away from the reset seat is connected to the swing block; the adapter position detection assembly is used to detect the adapter position between the trousers and the cloth, because the adapter position is stacked by two layers of cloth and then sewn, the thickness of the adapter position is thicker than other areas of the trousers, when the adapter position of the trousers enters the swing block, the adapter position drives the swing block to be lifted up through the rolling wheel, and drives the detection sheet to move upward, after moving upward, the distance sensor senses that the distance between the detection sheet and the distance detector changes, and other components stop working.

[0010] In the above description, as a further scheme, a wire rack is arranged at a position away from the machine head on the top surface of the machine, and a wire guide is arranged at a position close to the machine head on the middle of the wire rack; the wire guide is used to provide guiding effect of the sewing thread.

[0011] Compared with the prior art, the utility model discloses the beneficial effects are: through the design of first expansion wheel, second expansion wheel and third expansion wheel, through installing third expansion wheel below setting in work platform, simultaneously, third expansion wheel is connected with movable link board, when the staff puts the waistband on the expansion wheel, third expansion wheel moves down through link board, and the inside of waistband is expanded, and after expanding, the inside of waistband and the bottom surface of work platform can be effectively prevented from rubbing, and the breakage of the connecting wire of the inside of waistband is also prevented. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the overall structure schematic diagram of a kind of multi-needle waistband sewing machine of the utility model;

[0013] Figure 2 It is the overall structure schematic diagram of another view of a kind of multi-needle waistband sewing machine of the utility model;

[0014] Figure 3 It is the structure exploded schematic diagram of a kind of multi-needle waistband sewing machine of the utility model;

[0015] Figure 4 It is the first partial structure schematic diagram of a kind of multi-needle waistband sewing machine of the utility model;

[0016] Figure 5 It is the second partial structure schematic diagram of a kind of multi-needle waistband sewing machine of the utility model;

[0017] Figure 6 It is the third partial structure schematic diagram of a kind of multi-needle waistband sewing machine of the utility model;

[0018] Figure 7 It is the fourth partial structure schematic diagram of a kind of multi-needle waistband sewing machine of the utility model;

[0019] Figure 8 It is the partial structure exploded schematic diagram of a kind of multi-needle waistband sewing machine of the utility model;

[0020] Figure 9 It is the fifth partial structure schematic diagram of a kind of multi-needle waistband sewing machine of the utility model;

[0021] Figure 10 It is the sixth partial structure schematic diagram of a kind of multi-needle waistband sewing machine of the utility model;

[0022] Figure 11 It is the seventh partial structure schematic diagram of a kind of multi-needle waistband sewing machine of the utility model;

[0023] Figure 12 It is the eighth partial structure schematic diagram of a kind of multi-needle waistband sewing machine of the utility model;

[0024] Figure 13 is ninth partial structure schematic view of many needle trousers waist sewing machine of the utility model,

[0025] In the drawing: 1-machine table, 2-machine head, 3-trouser head expansion assembly, 4-connection position detection assembly,

[0026] 5-pushing and grinding assembly, 6-pressing wheel, 7-roller, 8-rotating seat, 9-guide rod, 10-multiple connecting rod; 11-wire rack, 12-wire guide,

[0027] 301-first expansion wheel, 302-second expansion wheel, 303-third expansion wheel, 304-guide slide rail,

[0028] 305-driving rack, 306-movable seat, 307-connection plate, 308-adjusting motor, 309-driving wheel,

[0029] 3010-mounting plate, 3011-descending motor, 3012-linking plate, 3013-uplift rack,

[0030] 3014-moving slide rail, 3015-uplift wheel, 3016-transmission motor,

[0031] 401-linkage plate, 402-fine adjustment air cylinder, 403-reset seat, 404-oscillating block, 405-rotating position,

[0032] 406-rolling wheel, 407-detection sheet, 408-distance sensor, 409-reset spring,

[0033] 501-first grinding wheel, 502-second grinding wheel, 503-oscillating plate, 504-oscillating rod, 505-rotating shaft,

[0034] 506-bearing sleeve, 507-transmission pulley, 508-input pulley, 509-output motor,

[0035] 5010-output pulley, 5011-adjusting air cylinder, 5012-rotating seat, 5013-rotating plate,

[0036] 5014-lifting air cylinder, 5015-movable plate, 5016-driving motor, 5017-fixed rod,

[0037] 5018-receiving pulley, 5019-driving pulley. DETAILED DESCRIPTION

[0038] The utility model will be described further in detail in combination with the drawings and specific embodiments.

[0039] In this embodiment, please refer to Figures 1-12A multi-needle trouser waist seam machine, comprising a machine table 1, a machine head 2, a trouser head expansion assembly 3, a connection position detection assembly 4 and a dialing assembly 5. The machine head 2 is installed in the middle of the top surface of the machine table 1. The middle part of the machine head 2 is provided with a working platform. The trouser head expansion assembly 3 comprises a first expansion wheel 301, a second expansion wheel 302 and a third expansion wheel 303. The first expansion wheel 301 and the second expansion wheel 302 are respectively arranged on both sides of the working platform. The third expansion wheel 303 is arranged below the working platform. The top surface of the machine table 1 is provided with a guide rail 304 near the first expansion wheel 301 and the second expansion wheel 302. One side of the guide rail 304 is provided with a drive rack 305. The guide rail 304 is movably connected with a movable seat 306. The top surface of the movable seat 306 is provided with a connecting plate 307 near one end of the first expansion wheel 301 and the second expansion wheel 302. The connecting plate 307 is connected with the first expansion wheel 301 and the second expansion wheel 302. One side of the top surface of the movable seat 306 away from the connecting plate 307 is provided with an adjusting motor 308. A drive wheel 309 is arranged between the guide rail 304 and the drive rack 305. The output shaft of the adjusting motor 308 penetrates through the movable seat 306 and is connected with the drive wheel 309. The middle part of the machine table 1 is provided with a mounting plate 3010. One side of the mounting plate 3010 is fixedly provided with a downward motor 3011. The other side of the mounting plate 3010 is provided with a connecting plate 3012. The upper end of the connecting plate 3012 is connected with the third expansion wheel 303. One side of the connecting plate 3012 near the mounting plate 3010 is provided with an upper tooth rack 3013 and a moving rail 3014. One side of the mounting plate 3010 near the moving rail 3014 is connected with the moving rail 3014. The mounting plate 3010 is provided with an upper tooth wheel 3015 near the position of the upper tooth rack 3013. The upper tooth wheel 3015 is connected with the drive shaft of the downward motor 3011. The connecting plate 307 is provided with a transmission motor 3016 near the first expansion wheel 301 and the second expansion wheel 302.

[0040] The dialing roller assembly 5 is connected with the machine head 2, the dialing roller assembly 5 includes a first roller 501 and a second roller 502, the first roller 501 and the second roller 502 are vertically arranged on both sides of the working platform, the top of the machine head 2 is provided with a swing plate 503 near the first roller 501, the swing plate 503 is provided with a swing rod 504 at the lower end of the side close to the first roller 501, the first roller 501 is rotatably connected with one end of the swing rod 504, the swing plate 503 is provided with a rotating shaft 505 near the position of the swing rod 504, the swing rod 504 is arranged on the rotating shaft 505 through a bearing sleeve 506, both ends of the bearing are provided with transmission pulleys 507, the swing rod 504 is provided with an input pulley 508 connected with the first roller 501 at one end close to the first roller 501, the top of the side of the swing plate 503 away from the swing rod 504 is provided with an output motor 509, an output pulley 5010 is arranged on the drive shaft of the output motor 509, the top of the side of the swing plate 503 close to the swing rod 504 is provided with an adjusting cylinder 5011, the push rod of the adjusting cylinder 5011 is rotatably connected with the swing rod 504.

[0041] The top surface of the machine table 1 is provided with a rotating seat 5012 near the position of the machine head 2, the rotating seat 5012 is connected with a rotating plate 5013, the side of the rotating plate 5013 close to the machine head 2 is provided with a lifting cylinder 5014, the push rod of the lifting cylinder 5014 is connected with a movable plate 5015, one side of the movable plate 5015 is connected with a drive motor 5016, the drive motor 5016 is connected with the second roller 502 through a fixed rod 5017, one end of the second roller 502 close to the fixed rod 5017 is provided with a receiving pulley 5018, a drive pulley 5019 is arranged on the output shaft of the drive motor 5016.

[0042] The top of the machine head 2 is provided with a pressing wheel 6 near the position of the working platform, the side of the working platform close to the pressing fixed wheel is provided with a roller 7 matched with the pressing wheel 6, the pressing wheel 6 is rotatably connected with the top of the machine head 2 through a rotating seat 8 and a guide rod 9, the top of the machine head 2 is provided with a multi-link 10 away from the working platform.

[0043] The docking position detection assembly 4 is installed above the second expansion wheel 302, and the docking position detection assembly 4 is connected with the connecting plate 307 through a linkage plate 401 and a fine adjustment cylinder 402, the fine adjustment cylinder 402 is installed on the connecting plate 307, the linkage plate 401 is connected with a push rod of the fine adjustment cylinder 402, and an end of the linkage plate 401 away from the fine adjustment cylinder 402 extends towards the second expansion wheel 302; the docking position detection assembly 4 comprises a reset seat 403 and a swing block 404, the reset seat 403 is connected with an end of the linkage plate 401 close to the second expansion wheel 302, a bottom of the reset seat 403 is provided with a rotating position 405, one end of the swing block 404 is rotatably connected with the rotating position 405, an end of the swing block 404 away from the rotating position 405 is provided with a rolling wheel 406, and a top of the swing block 404 is provided with a detection sheet 407; a distance sensor 408 is installed above the detection sheet 407, and a reset spring 409 is connected with the top of the reset seat 403; an end of the reset spring 409 away from the reset seat 403 is connected with the swing block 404.

[0044] A wire rack 11 is arranged on the side of the top surface of the machine table 1 away from the machine head 2, and a wire guide 12 is arranged on the side of the middle part of the wire rack 11 close to the machine head 2.

[0045] The working process of the utility model is as follows: the adjusting cylinder 5011 is started, the adjusting cylinder 5011 drives the swing rod 504 and the first roller 501 to ascend, and at the same time, the lifting cylinder 5014 is started, the lifting cylinder 5014 drives the movable plate 5015 and the second roller 502 to move upwards.

[0046] After moving upwards, the trousers are sleeved on the first expansion wheel 301, the second expansion wheel 302 and the third expansion wheel 303, the adjusting single machine and the descending motor 3011 are started, the first expansion wheel 301, the second expansion wheel 302 and the third expansion wheel 303 are driven to expand, and then the adjusting cylinder 5011 and the lifting cylinder 5014 are turned off, the first roller 501 and the second roller 502 are in contact with the trousers.

[0047] Then, the transmission motor 3016 is started, the first expansion wheel 301 and the second expansion wheel 302 are driven to rotate, and at the same time, the output motor 509 and the driving motor 5016 are started, the first roller 501 and the second roller 502 are driven to intensify the rotating effect of the waistband, so that the waistband is driven to rotate and the sewing is performed.

[0048] When the docking position on the waistband drives the swing block 404 to be lifted upwards through the rolling wheel 406, the detection sheet 407 is driven to move upwards, after moving upwards, the distance sensor 408 senses that the distance between the detection sheet 407 and the distance detector changes, and other components stop working.

[0049] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the utility model will be described clearly and completely in combination with the drawings below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0050] In addition, in the description of the embodiments of the utility model, unless explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0051] Finally, it should be explained that: the above embodiments are only specific embodiments of the utility model, for describing the technical scheme of the utility model, rather than limiting it, the protection scope of the utility model is not limited to this, although the utility model has been described in detail with reference to the foregoing embodiments, the person skilled in the art should understand that: any person skilled in the art in the technical range disclosed by the utility model can still modify or easily think of changes to the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to some technical features; and these modifications, changes or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the embodiments of the utility model, and all should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A multi-needle waistline sewing machine, comprising a machine table, a machine head, a waistband expanding assembly, a connection position detecting assembly and a pushing assembly, the machine head is installed on the middle of the top surface of the machine table, and the middle of the machine head is provided with a working platform, characterized in that: The pant leg expanding assembly comprises a first expanding wheel, a second expanding wheel and a third expanding wheel, the first and second expanding wheels are arranged on the two sides of the working platform respectively, and the third expanding wheel is arranged below the working platform; the top surface of the machine table is provided with a guide slide rail near the positions of the first and second expanding wheels; the side of the guide slide rail is provided with a driving rack; the guide slide rail is movably connected with a movable seat; the top surface of the movable seat is provided with a connecting plate near the end of the first and second expanding wheels; the connecting plate is connected with the first and second expanding wheels; the side of the top surface of the movable seat away from the connecting plate is provided with an adjusting motor; the guide slide rail and the driving rack are provided with a driving wheel; the output shaft of the adjusting motor passes through the movable seat and is connected with the driving wheel; the middle part of the machine table is provided with a mounting plate; the side of the mounting plate is fixed with a downward motor; the other side of the mounting plate is provided with a connecting plate; the upper end of the connecting plate is connected with the third expanding wheel; the side of the connecting plate near the mounting plate is provided with an upper driving rack and a moving slide rail; the side of the mounting plate near the moving slide rail is connected with the moving slide rail; the position of the mounting plate near the upper driving rack is provided with an upper driving wheel; the upper driving wheel is connected with the driving shaft of the downward motor; and the positions of the connecting plate near the first and second expanding wheels are provided with transmission motors.

2. A multi-needle trouser seam machine according to claim 1, characterized in that: The machine head is connected with the dialing roller assembly, the dialing roller assembly comprises a first roller and a second roller, the first roller and the second roller are arranged vertically on the two sides of the working platform, the top of the machine head is provided with a swing plate near the position of the first roller, the lower end of the side of the swing plate near the first roller is provided with a swing rod, the first roller is rotatably connected with one end of the swing rod, the position of the swing plate near the swing rod is provided with a rotating shaft, the swing rod is sleeved on the rotating shaft through a bearing sleeve, the two ends of the bearing are provided with transmission pulleys, the end of the swing rod near the first roller is provided with an input pulley connected with the first roller, the top of the side of the swing plate away from the swing rod is provided with an output motor, the driving shaft of the output motor is sleeved with an output pulley, the top of the side of the swing plate near the swing rod is provided with an adjusting air cylinder, the push rod of the adjusting air cylinder is rotatably connected with the swing rod.

3. A multi-needle trouser seam machine according to claim 2, characterized in that: The top of the machine table is provided with a rotating seat near the position of the machine head, the rotating seat is connected with a connecting plate, the side of the connecting plate near the machine head is provided with a lifting air cylinder, the push rod of the lifting air cylinder is connected with a movable plate, the side of the movable plate is connected with a driving motor, the driving motor is connected with the second roller through a fixed rod, the end of the second roller near the fixed rod is provided with a receiving pulley, the output shaft of the driving motor is sleeved with a driving pulley.

4. A multi-needle trouser seam machine according to claim 1, characterized in that: The top of the machine head is provided with a pressing wheel near the position of the working platform, the side of the working platform near the pressing wheel is provided with a roller matched with the pressing wheel, the pressing wheel is rotatably connected with the top of the machine head through a rotating seat and a guide rod, the side of the top of the machine head away from the working platform is provided with a multi-link, and the multi-link is connected with the pressing wheel.

5. A multi-needle trouser seam machine according to claim 1, characterized in that: The docking position detection assembly is installed above the second expansion wheel, and the docking position detection assembly is connected with the connecting plate through the linkage plate and the fine adjustment cylinder, the fine adjustment cylinder is installed on the connecting plate, the linkage plate is connected with the push rod of the fine adjustment cylinder, one end of the linkage plate away from the fine adjustment cylinder extends towards the direction of the second expansion wheel, the docking position detection assembly comprises a reset seat and a swing block, the reset seat is connected with one end of the linkage plate close to the second expansion wheel, a rotating position is arranged at the bottom of the reset seat, one end of the swing block is rotatably connected with the rotating position, a rolling wheel is arranged at the end of the swing block away from the rotating position, a detection sheet is arranged at the top of the swing block, a distance sensor is installed above the detection sheet, a reset spring is connected with the top of the reset seat, and one end of the reset spring away from the reset seat is connected with the swing block.

6. A multi-needle trouser seam machine according to claim 1, characterized in that: The top surface of the machine is provided with a wire rack away from the machine head, and the wire rack is provided with a wire guide near the machine head.

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