CN217026327U

CN217026327U - Belt supporting device of flat seaming machine

Info

Publication number: CN217026327U
Application number: CN202220651220.0U
Authority: CN
Inventors: 刘丽娜
Original assignee: Ningbo Yunkai Machinery Co ltd
Current assignee: Ningbo Yunkai Machinery Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-22
Anticipated expiration: 2032-03-24

Abstract

The utility model provides a belt supporting device of a flat seaming machine, and belongs to the technical field of sewing machine accessories. According to the utility model, the first extensible part with the first roller and the second extensible part with the second roller are respectively arranged at the two sides of the sewing table of the flat seaming machine, so that the distance between the first roller and the second roller can be adjusted through the first extensible part and the second extensible part, and different use requirements of different elastic band opening requirements in the sewing process can be met; and, be equipped with soft cushion of first soft cushion and the soft cushion of second on first extensible member and the second extensible member respectively, can be so that be flexible connection between the contact site on first extensible member and the second extensible member, make the contact site can abundant contact, frictional force is bigger, the wearing and tearing problem appears when having prevented to adjust, in addition, can also improve the stability of locking, prevent that first roller bearing and second roller bearing from appearing the problem of returning back under the effect of the contractile force of elastic cord, the processing quality has been guaranteed, need not frequent readjustment, and is more convenient to use, make up the efficiency change.

Description

Belt supporting device of flat seaming machine

Technical Field

The utility model relates to the technical field of sewing machine accessories, in particular to a belt supporting device of a flat seaming machine.

Background

The sewing machine is used as a main device in the garment processing industry, can splice sewing cloths together through a sewing thread to complete garment manufacturing, and can be designed into unique matching structures according to use requirements.

The flat seaming machine is one of sewing machines, and is mainly used for sewing the telescopic belt on the waist opening of trousers so as to improve the production efficiency and the quality of clothes. Because the length of the telescopic belt is far less than the expansion length of the waist opening of the trousers when the telescopic belt is in a contraction state, in order to ensure that the elastic belt can be evenly sewed on the waist opening, the elastic belt and the waist opening of the trousers need to be stretched and then are overlapped together in the sewing process, and the stretching roller shafts are usually arranged on the two sides of the sewing table of the existing jump sewing machine, so that the elastic belt and the waist opening of the trousers can be sleeved on the stretching roller shafts, and the sewing requirement is met. However, the existing spreading roller is directly installed on the flat seaming machine main body or the table-board thereof through a screw, a sliding block and a sliding rod, all joints are connected rigidly, so that the contact gap of the joints is easy to be more, the possibility of point contact exists, the contact surface is small, the sliding is easy, the problem of abrasion can exist when the tightness of the spreading roller is adjusted subsequently, in addition, in the using process, the spreading roller in rigid contact can retract due to the fact that the spread elastic band is wound on the spreading roller, the processing quality is influenced, meanwhile, the back adjustment is also needed frequently, and the problem of inconvenient use exists.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a belt supporting device of a flat seaming machine, which is provided with a first rolling shaft and a second rolling shaft, wherein the first rolling shaft and the second rolling shaft are respectively arranged at two sides of a sewing platform, meanwhile, the first rolling shaft is arranged on a first telescopic piece, the second rolling shaft is arranged on a second telescopic piece, and the positions of the first rolling shaft and the second rolling shaft are adjusted through the first telescopic piece and the second telescopic piece, so that the sewing requirements of different tightness are met, moreover, contact parts on the first telescopic piece and the second telescopic piece are both provided with soft rubber pads, the contact parts can be more fully contacted through the soft rubber pads, thereby increasing the friction force, realizing the flexible contact of the contact parts, avoiding the abrasion problem during adjustment, improving the locking stability, and preventing the first rolling shaft and the second rolling shaft from retracting under the action of an elastic cord, the processing quality is ensured, frequent callback is not needed, and the use is more convenient.

The specific technical scheme is as follows:

a flat seaming machine belt stretching device arranged on a flat seaming machine main body and/or a bedplate, which is characterized by comprising: the first roller, the second roller, the first telescopic piece and the second telescopic piece are respectively arranged at two sides of a sewing table of the flat seaming machine main body, the axial directions of the first roller and the second roller are vertical to the wiring direction of the sewing table, the first roller and the second roller are respectively arranged on the first telescopic piece and the second telescopic piece,

the first extensible part comprises a horizontal guide rod and a horizontal adjusting seat, the horizontal adjusting seat is installed on a flat seaming machine main body or a bedplate, a sliding hole which penetrates through the horizontal adjusting seat and has the direction consistent with the wiring direction of the sewing platform is formed in the horizontal adjusting seat, meanwhile, an adjusting hole which is communicated with the sliding hole is further formed in the horizontal adjusting seat, an adjusting screw is connected in the adjusting hole in a threaded mode, one end of the horizontal guide rod penetrates through the sliding hole, a first rolling shaft is installed at the other end of the horizontal guide rod, meanwhile, a first soft rubber pad is arranged on the horizontal guide rod along the length direction of the horizontal guide rod, and one end of the adjusting screw abuts against the first soft rubber pad;

the second extensible member includes fixing base, regulating plate and retaining member, and the fixing base is installed on flat seaming machine main part or platen, and the retaining member sets up on the fixing base, and the retaining member is installed on the fixing base through the retaining member to the one end of regulating plate, and the other end of regulating plate is provided with the second roller bearing, simultaneously, sets up the soft cushion of second between retaining member and the fixing base.

The belt supporting device of the flat seaming machine is characterized in that a supporting surface is arranged on the outer wall of one end, matched with the horizontal adjusting seat, of the horizontal guide rod, the supporting surface covers the length direction of the supporting surface, meanwhile, the supporting surface is a plane, the first soft rubber pad covers the supporting surface and is fixed, and the end part of the adjusting screw abuts against the first soft rubber pad on the supporting surface.

The belt supporting device of the flat seaming machine is characterized in that the end part of the adjusting screw and the abutting surface are both provided with anti-slip teeth, and the first soft rubber pad and the anti-slip teeth on the abutting surface are integrally formed by injection molding.

The belt supporting device of the flat seaming machine is characterized in that two horizontal adjusting seats are arranged, and the two horizontal adjusting seats are arranged at intervals.

The belt supporting device of the flat seaming machine is characterized in that the adjusting screw is provided with the adjusting handle, and the adjusting screw and the adjusting handle are integrally formed by injection molding.

The utility model provides an foretell flat seaming machine prop belting, wherein, the fixing base includes mounting panel and extension board, the mounting panel is platelike to arrange, and the downside of mounting panel forms the extension board after buckling, a plurality of groups of mounting holes have been seted up on the extension board, each group's mounting hole includes a spacing hole and a locking hole, spacing hole and the locking hole interval setting of organizing together, the retaining member is installed in the locking hole, spacing hole site is in the one side that the locking hole deviates from the second roller bearing, the regulating plate deviates from the one end and the spacing hole cooperation of installation second roller bearing.

The belt supporting device of the flat seaming machine comprises an adjusting plate, wherein the adjusting plate is of a strip-shaped structure, a sliding groove is formed in the adjusting plate along the length direction of the adjusting plate, a limiting pin is arranged at one end of the sliding groove in a sliding mode, the end portion of the limiting pin is installed in a limiting hole, and one end of a locking piece extends into the sliding groove.

The utility model provides an foretell flat seaming machine prop belting, wherein, the retaining member includes locking bolt, lock nut and axis of rotation, locking bolt's thread end pass spout and locking hole in proper order and with lock nut threaded connection, locking bolt's stub end and lock nut support respectively to lean on the extension board in regulating plate and fixing base, the bayonet socket has been seted up to the both sides of locking bolt's stub end and dodges, and when locking bolt passed the spout, two cell wall cards of spout are gone into to dodging in the bayonet socket, the axis of rotation is installed on lock nut and is followed lock nut's radial arrangement.

The aforesaid flat seaming machine prop belting, wherein, the second flexible glue pad sets up in lock nut supports to dodge the bayonet socket on the major part of one end and locking bolt on the extension plate to, lock nut supports to support and all seted up a plurality of caulking holes on the wall body of one end on the extension plate and dodging the bayonet socket.

The belt supporting device of the flat seaming machine comprises an adjusting roller and a lifting telescopic piece, wherein the lifting telescopic piece comprises a lifting seat, a lifting plate and an adjusting piece, the lifting seat is installed on a main body or a bedplate of the flat seaming machine, a first lifting groove arranged in the vertical direction is formed in the lifting seat, the lifting plate is vertically arranged, a second lifting groove arranged in the vertical direction is formed in the lifting plate, one end of the lifting plate is attached to the lifting seat, the second lifting groove and the first lifting groove are communicated, the adjusting roller is installed at the other end of the lifting plate, the axial direction of the adjusting roller is consistent with the axial direction of the first roller, and the adjusting piece penetrates through the first lifting groove and the second lifting groove and locks the lifting seat and the lifting plate.

The positive effects of the technical scheme are as follows:

according to the belt supporting device of the flat seaming machine, the first rolling shaft and the second rolling shaft are respectively arranged on the two sides of the sewing platform of the flat seaming machine and are respectively arranged on the first extensible part and the second extensible part, so that the positions of the first rolling shaft and the second rolling shaft can be adjusted through the first extensible part and the second extensible part, and different use requirements of different elastic belt supporting requirements in the sewing process are met; and moreover, a first soft rubber mat and a second soft rubber mat are respectively arranged on the first extensible part and the second extensible part, the contact parts on the first extensible part and the second extensible part can be flexibly connected through the first soft rubber mat and the second soft rubber mat, the contact is more sufficient, the friction force is larger, the abrasion problem during adjustment can be avoided, the locking stability can be improved, the problem that the first roller and the second roller retract under the action of the elastic cord is solved, the processing quality is ensured, and the problems of inconvenience in use and low efficiency caused by frequent readjustment in the processing process are solved.

Drawings

FIG. 1 is an exploded view of an embodiment of a looper of the present invention;

FIG. 2 is a block diagram of a first extendable member according to a preferred embodiment of the present invention;

FIG. 3 is a block diagram of a second extendable member in accordance with a preferred embodiment of the present invention;

FIG. 4 is a longitudinal cross-sectional view of a horizontal guide bar in accordance with a preferred embodiment of the present invention;

FIG. 5 is a view showing the structure of the locking member according to a preferred embodiment of the present invention.

In the drawings: 1. a first roller; 2. a second roller; 3. a first telescoping member; 31. a horizontal guide rod; 32. a horizontal adjusting seat; 311. a first soft rubber cushion; 312. a pressing surface; 313. anti-slip teeth; 321. a sliding hole; 322. an adjustment hole; 323. adjusting screws; 324. an adjusting handle; 4. a second telescoping member; 41. a fixed seat; 42. an adjusting plate; 43. a locking member; 411. mounting a plate; 412. an extension plate; 421. a chute; 422. a spacing pin; 431. locking the bolt; 432. locking the nut; 433. a rotating shaft; 4121. a limiting hole; 4122. a locking hole; 4311. avoiding the bayonet; 4312. a second soft rubber cushion; 4313. embedding holes; 5. adjusting the roller; 6. a lifting telescopic part; 61. a lifting seat; 62. a lifting plate; 63. an adjustment member; 611. a first lifting groove; 621. a second lifting groove.

Detailed Description

In order to make the technical means, creation features, achievement objects and effects of the present invention easily understood, the following embodiments are specifically set forth in the following description with reference to fig. 1 to 5, but the following contents are not intended to limit the present invention.

FIG. 1 is an exploded view of an embodiment of a looper of the present invention; FIG. 2 is a block diagram of a first extendable member according to a preferred embodiment of the present invention; fig. 3 is a structural view of a second telescopic member according to a preferred embodiment of the present invention. As shown in fig. 1, 2 and 3, the band stretching device of the flat seaming machine provided by the embodiment is arranged on the flat seaming machine body and/or the bedplate. In this case, the tape supporting device includes: the first roller shaft 1, the second roller shaft 2, the first extensible member 3 and the second extensible member 4, and the first roller shaft 1 and the second roller shaft 2 are respectively arranged at two sides of a sewing platform of the flat seaming machine main body, so that the elastic band and the trouser opening of the trousers to be subsequently processed can be sleeved on the first roller shaft 1 and the second roller shaft 2 and can be unfolded through adjusting the distance between the first roller shaft 1 and the second roller shaft 2, and the unfolded elastic band and the trouser opening can be sewn through the sewing platform. And the axial directions of the first roller 1 and the second roller 2 are vertical to the wiring direction of the sewing platform, so that the rotating directions of the first roller 1 and the second roller 2 can adapt to the wiring of the flat seaming machine. In addition, the first roller shaft 1 and the second roller shaft 2 are respectively arranged on the first extensible member 3 and the second extensible member 4, the position of the first roller shaft 1 is adjusted through the first extensible member 3, and meanwhile, the position of the second roller shaft 2 is adjusted through the second extensible member 4, so that the distance between the first roller shaft 1 and the second roller shaft 2 can be adjusted, and the processing requirements of different tightness degrees are met.

As shown in fig. 1 and 2, the first extensible member 3 further includes a horizontal guide rod 31 and a horizontal adjustment seat 32, the horizontal adjustment seat 32 is installed on the flat seaming machine main body or the platen, and a sliding hole 321 which penetrates through the horizontal adjustment seat 32 and has a direction consistent with the routing direction of the sewing table is formed in the horizontal adjustment seat, so that the axial direction of the sliding hole 321 is the routing direction of the sewing table. Meanwhile, an adjusting hole 322 communicating with the sliding hole 321 is further formed in the horizontal adjusting seat 32, and an adjusting screw 323 is screwed in the adjusting hole 322, so that the end portion of the adjusting screw 323 can extend into the sliding hole 321 through rotation, and one end of the horizontal guide rod 31 penetrates through the sliding hole 321, so that the moving direction of the horizontal guide rod 31 in the sliding hole 321 is the wiring direction of the sewing table, and the other end of the horizontal guide rod 31 is provided with the first rolling shaft 1, so that the horizontal guide rod 31 can drive the first rolling shaft 1 to move towards the direction far away from or close to the sewing table, the change of the position of the first rolling shaft 1 is realized, and a condition is provided for subsequently adjusting the tightness of the spreading elastic band. Meanwhile, the horizontal guide rod 31 is provided with a first soft rubber pad 311 along the length direction thereof, and when the adjusting screw 323 is rotated, one end of the adjusting screw 323 can abut against the first soft rubber pad 311, thereby loosening or pressing the horizontal guide rod 31, satisfying the requirement of moving or temporarily fixing the horizontal guide rod 31 in the sliding hole 321, moreover, the adjusting screw 323 and the horizontal guide rod 31 are flexibly connected, the gap between the end part of the adjusting screw 323 and the horizontal guide rod 31 is filled up through the deformation of the first soft rubber pad 311, the adjusting screw 323 can be in contact with the horizontal guide rod 31 more fully, friction is larger, the abrasion problem can be avoided, the locking stability can be improved, the problem that the first rolling shaft 1 retracts under the action of the elastic band is solved, the processing quality is guaranteed, and the problems that in the processing process, the use is inconvenient and the efficiency is low due to frequent readjustment are avoided.

As shown in fig. 1 and 3, the second telescopic member 4 further includes a fixing seat 41, an adjusting plate 42 and a locking member 43. Install fixing base 41 on the flat seaming machine main part or platen, at this moment, retaining member 43 sets up on fixing base 41, and pass through retaining member 43 with the one end of regulating plate 42 and install on fixing base 41, the installation of regulating plate 42 on fixing base 41 has been realized, and simultaneously, the other end of regulating plate 42 is provided with second roller bearing 2, adjust the connected state between regulating plate 42 and the fixing base 41 through retaining member 43 promptly, when retaining member 43 loosens promptly, regulating plate 42 can move on fixing base 41, thereby realize the regulation of 2 positions of second roller bearing, satisfy the user demand of the elasticity that follow-up regulation elastic cord propped open. Simultaneously, set up second cushion 4312 between retaining member 43 and the fixing base 41, make through second cushion 4312 for flexonics between retaining member 43 and the fixing base 41, the deformation through second cushion 4312 fills up the clearance between retaining member 43 and the fixing base 41, make both contacts more fully, frictional force has been increased equally, avoid the wearing and tearing problem, and can improve locking stability, prevent that the problem that returns back and contract from appearing in second roller bearing 2 under the effect of elastic cord, the processing quality has been guaranteed, need frequent readjustment to lead to the use inconvenient in having avoided the course of working, the problem of inefficiency.

More specifically, be provided with on the outer wall of the horizontal guide 31 of first extensible member 3 supports tight face 312, at this moment, support tight face 312 and be located horizontal guide 31 and horizontal adjustment seat 32 complex one end for support tight face 312 can contact the adjusting screw 323 of installation on the horizontal adjustment seat 32, and, support the length direction that tight face 312 covers the horizontal guide 31 at place, make horizontal guide 31 still can maintain supporting tight face 312 and can correspond adjusting screw 323 all the time in the removal process, satisfy the user demand. Meanwhile, the abutting surface 312 is a plane, so that the flatness of the abutting surface 312 can be ensured, and the moving requirement of the horizontal guide rail is met. Meanwhile, the first soft rubber pad 311 covers the abutting surface 312 and is fixed, the contact area between the first soft rubber pad 311 and the horizontal guide rod 31 is effectively increased, and the end part of the adjusting screw 323 abuts against the first soft rubber pad 311 on the abutting surface 312, so that the first soft rubber pad 311 can be used as a contact structure between the adjusting screw 323 and the abutting surface 312, the stability and the reliability after locking between the adjusting screw 323 and the abutting surface 312 are ensured, the problems of abrasion and readjustment caused by slipping are avoided, and the use is more convenient.

FIG. 4 is a longitudinal sectional view of a horizontal guide bar according to a preferred embodiment of the present invention. As shown in fig. 4, the end of the adjusting screw 323 contacting one end of the abutting surface 312 and the abutting surface 312 are both provided with anti-slip teeth 313, and the anti-slip teeth 313 increase the friction force with the first soft rubber pad 311, thereby further preventing the occurrence of problems such as slipping. In addition, the first soft rubber pad 311 and the anti-slip teeth 313 on the abutting surface 312 are integrally injection molded, that is, the first soft rubber pad 311 is directly injection molded on the abutting surface 312 through an injection molding machine, so that the first soft rubber pad 311 can be embedded into a gap between two adjacent anti-slip teeth 313, the first soft rubber pad 311 and the horizontal guide rod 31 can form an integral structure, meanwhile, the structural strength of the integral structure is improved, the problem that the first soft rubber pad 311 falls off from the horizontal guide rod 31 in the using process is prevented, and the structural design is more reasonable.

More specifically, the horizontal adjusting seats 32 of the first telescopic member 3 are provided with two horizontal adjusting seats 32, and the two horizontal adjusting seats 32 are arranged at intervals, so that the horizontal guide rod 31 has at least two supporting points arranged at intervals, and the problem that the horizontal guide rod 31 deflects to influence use can be effectively prevented.

More specifically, the adjusting screw 323 on the horizontal adjusting base 32 is further provided with an adjusting handle 324, and the adjusting handle 324 facilitates the operator to rotate the adjusting screw 323, so that the use is more convenient. Preferably, the adjusting screw 323 and the adjusting handle 324 are integrally injection-molded, so that the connecting strength between the adjusting screw 323 and the adjusting handle 324 is higher, and the adjustment is more reliable.

More specifically, the fixing seat 41 of the second telescopic member 4 further includes a mounting plate 411 and an extension plate 412, at this time, the mounting plate 411 is arranged in a plate shape, and the extension plate 412 is formed after the lower side of the mounting plate 411 is bent, so that the mounting plate 411 and the extension plate 412 are of an integral structure, and the structural strength is higher. Meanwhile, a plurality of sets of mounting holes are formed in the extension plate 412, so that a plurality of sets of mounting positions are arranged on the extension plate 412, and different processing requirements are met. At this time, each set of mounting holes further includes a limiting hole 4121 and a locking hole 4122, and the limiting hole 4121 and the locking hole 4122 of the same set are arranged at an interval, and meanwhile, the locking member 43 is mounted in the locking hole 4122, the limiting hole 4121 is located on one side of the locking hole 4122 departing from the second roller 2, one end of the adjusting plate 42 departing from the mounting second roller 2 is matched with the limiting hole 4121, i.e., the adjusting plate 42 is limited by the limiting hole 4121 and the locking hole 4122 together, so that at least two contact points are formed between the limiting plate and the extending plate 412, thereby ensuring the mounting stability of the adjusting plate 42.

More specifically, the adjusting plate 42 in the second extensible member 4 is a strip-shaped structure, so that the adjusting plate has a certain length, meanwhile, the adjusting plate 42 is provided with a sliding groove 421 along the length direction thereof, one end of the sliding groove 421 is slidably provided with a limit pin 422, the end of the limit pin 422 is installed in the limit hole 4121, and the problem that the adjusting plate 42 excessively moves on the extending plate 412 to cause falling off can be effectively prevented through the cooperation of the limit pin 422 and the sliding groove 421. In addition, one end of the locking member 43 extends into the sliding groove 421, that is, the locking member 43 is also matched with the adjusting plate 42 through the sliding groove 421, so that the structural design is more reasonable.

FIG. 5 is a structural view of a retaining member in accordance with a preferred embodiment of the present invention. As shown in fig. 4 and 5, the locker 43 further includes a locking bolt 431, a locking nut 432, and a rotating shaft 433. At this time, the threaded end of the locking bolt 431 sequentially passes through the sliding groove 421 and the locking hole 4122 and is in threaded connection with the locking nut 432, the large end of the locking bolt 431 and the locking nut 432 are respectively abutted against the adjusting plate 42 and the extension plate 412 of the fixed seat 41, that is, the adjusting plate 42 and the fixed seat 41 are connected through the locking bolt 431 and the locking nut 432, and the locking and loosening states between the adjusting plate 42 and the fixed seat 41 can be adjusted through the rotation of the locking nut 432, so that the position of the adjusting plate 42 on the fixed seat 41 is adjusted, and the position adjustment of the second roller 2 on the adjusting plate 42 is realized. In addition, an avoiding bayonet 4311 is formed on two sides of the large end of the locking bolt 431, and when the locking bolt 431 passes through the sliding groove 421, two groove walls of the sliding groove 421 are clamped into the avoiding bayonet 4311, that is, by matching the avoiding bayonet 4311 and the groove walls of the sliding groove 421, the problem that the locking bolt 431 cannot be loosened or locked due to rotation along with the rotation when the locking nut 432 rotates can be prevented. In addition, the rotating shaft 433 is installed on the locking nut 432 and is arranged along the radial direction of the locking nut 432, namely, a lever structure is formed through the rotating shaft 433, an operator can conveniently rotate the locking nut 432, and the structural design is more reasonable.

More specifically, the second soft rubber pad 4312 is disposed in the avoiding bayonet 4311 at one end of the lock nut 432 abutting against the extension plate 412 and at the big end of the lock bolt 431, so that the lock nut 432 and the extension plate 412 are in contact with each other through the second soft rubber pad 4312, and the problem of relative sliding between the lock nut 432 and the extension plate 412 is prevented. Similarly, the avoidance bayonet 4311 at the large end of the locking bolt 431 is in contact with the groove wall of the sliding groove 421 on the adjusting plate 42 through the second soft rubber pad 4312, so that the problem of relative sliding between the locking bolt 431 and the adjusting plate 42 is prevented. Moreover, the lock nut 432 abuts against one end of the extension plate 412 and a wall body of the avoidance bayonet 4311, and a plurality of embedding holes 4313 are formed, that is, when the second soft rubber pad 4312 is extruded and deformed through the embedding holes 4313, a part of the structure of the second soft rubber pad 4312 can be extruded into the embedding holes 4313, so that the slipping problem is further prevented, and the locking reliability is higher.

More specifically, the belt supporting device further comprises an adjusting roller 5 and a lifting extensible member 6, at this time, the lifting extensible member 6 comprises a lifting seat 61, a lifting plate 62 and an adjusting member 63, the lifting seat 61 is installed on the flat seaming machine body or the bedplate, and a first lifting groove 611 arranged in the vertical direction is formed in the lifting seat 61, so that guiding is provided for subsequent lifting. Meanwhile, the lifting board 62 is vertically arranged, and the second lifting slot 621 is arranged on the lifting board 62 along the vertical direction, one end of the lifting board 62 is attached to the lifting base 61, and the second lifting slot 621 is communicated with the first lifting slot 611, so that a guide can be provided for the movement of the lifting board 62 on the lifting base 61 through the first lifting slot 611 and the second lifting slot 621 together. Meanwhile, the other end of the lifting plate 62 is provided with the adjusting roller 5, so that the lifting plate 62 can drive the adjusting roller 5 to move, and the axial direction of the adjusting roller 5 is consistent with the axial direction of the first roller 1, so that when the openings of the elastic band and the trousers need to be further unfolded or unfolded at multiple points, the adjusting roller 5 can be arranged between the first roller 1 and the second roller 2, and the adjustment can be further realized. Moreover, the adjusting member 63 passes through the first lifting groove 611 and the second lifting groove 621 and locks the lifting seat 61 and the lifting plate 62, that is, the lifting plate 62 and the lifting seat 61 can be loosened or temporarily fixed by the adjusting member 63, so that the stability during processing can be improved while the adjusting requirement is met.

More specifically, still be provided with the extension between horizontal guide 31 and the first roller bearing 1, the extension includes the connecting block, extension rod and expansion piece, the one end of connecting block is installed on horizontal guide 31, the one end of extension rod is installed on the other end of connecting block, first roller bearing 1 is installed on the other end of extension rod, and, an expansion hole has been seted up on the connecting block, one side of expanding the piece is provided with the screw rod and inserts and locate to expand downthehole and through spiral shell piece locking, the jack of taking the open-ended is seted up to the other end of expanding the piece, the open-ended both sides of jack are locked through a locking screw, when making follow-up needs add other supporting structures, can install through the jack, and lock through locking screw, expansibility is higher.

More specifically, the structure of the adjusting member 63 is the same as that of the locking member 43, at this time, the threaded end of the locking bolt 431 of the locking member 43 sequentially passes through the sliding groove 421 and the locking hole 4122 and is in threaded connection with the locking nut 432, and the large end of the locking bolt 431 and the locking nut 432 respectively abut against the adjusting plate 42 and the extending plate 412 of the fixing base 41, so that the threaded end of the locking bolt 431 of the adjusting member 63 sequentially passes through the first lifting groove 611 and the second lifting groove 621 and is in threaded connection with the locking nut 432, and the large end of the locking bolt 431 and the locking nut 432 respectively abut against the lifting base 61 and the lifting plate 62, and the lifting base 61 and the lifting plate 62 are loosened or pressed by rotating the locking nut 432, so that the temporary fixing or lifting requirement of the lifting plate 62 on the lifting base 61 is realized, and the specific structure of the adjusting member 63 is not described herein again.

More specifically, the bayonet socket has been seted up on the outer wall of the tip of the one end of horizontal adjustment seat 32 is installed to horizontal guide 31, is provided with the snap ring in the bayonet socket, and the snap ring salient arranges in the outer wall of horizontal guide 31 for can not roll off horizontal adjustment seat 32 when horizontal guide 31 slides on horizontal adjustment seat 32, realized that horizontal guide 31 removes spacing in-process, structural design is more reasonable.

More specifically, the first soft rubber pad 311 and the second soft rubber pad 4312 include, but are not limited to, rubber.

The belt supporting device of the flat seaming machine provided by the embodiment comprises a first rolling shaft 1, a second rolling shaft 2, a first expansion piece 3 and a second expansion piece 4; the first extensible part 3 with the first roller 1 and the second extensible part 4 with the second roller 2 are respectively arranged on two sides of the sewing table of the flat seaming machine, and the distance between the first roller 1 and the second roller 2 is adjusted through the first extensible part 3 and the second extensible part 4, so that different use requirements of different elastic tape opening requirements in the sewing process are met; and, be provided with first soft cushion 311 and second soft cushion 4312 on first extensible member 3 and the second extensible member 4 respectively, can be so that be flexible connection between the contact site on first extensible member 3 and the second extensible member 4, make contact site can more abundant contact, frictional force has been increased, the wearing and tearing problem appears when having prevented to adjust, in addition, can also improve the stability of locking, prevent that the problem that contracts appears under the effect of the contractile force of elastic cord in first roller bearing 1 and second roller bearing 2, the processing quality has been guaranteed, need not frequent readjustment, it is more convenient to use, make up the efficiency change.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. A flat seaming machine's brace area device sets up on flat seaming machine main part and/or platen, its characterized in that includes: the flat seaming machine comprises a first rolling shaft, a second rolling shaft, a first telescopic piece and a second telescopic piece, wherein the first rolling shaft and the second rolling shaft are respectively arranged at two sides of a sewing table of a flat seaming machine main body, the axial directions of the first rolling shaft and the second rolling shaft are vertical to the running direction of the sewing table, the first rolling shaft and the second rolling shaft are respectively arranged on the first telescopic piece and the second telescopic piece,

the first extensible part comprises a horizontal guide rod and a horizontal adjusting seat, the horizontal adjusting seat is installed on the flat seaming machine main body or the bedplate, a sliding hole which penetrates through the horizontal adjusting seat and has the direction consistent with the wiring direction of the sewing platform is formed in the horizontal adjusting seat, meanwhile, an adjusting hole which is communicated with the sliding hole is formed in the horizontal adjusting seat, an adjusting screw is screwed in the adjusting hole, one end of the horizontal guide rod penetrates through the sliding hole, the first rolling shaft is installed at the other end of the horizontal guide rod, meanwhile, a first soft rubber pad is arranged on the horizontal guide rod along the length direction of the horizontal guide rod, and one end of the adjusting screw abuts against the first soft rubber pad;

the second extensible member comprises a fixing seat, an adjusting plate and a locking piece, the fixing seat is installed on the flat seaming machine main body or the bedplate, the locking piece is arranged on the fixing seat, one end of the adjusting plate is installed on the fixing seat through the locking piece, the other end of the adjusting plate is provided with the second roller, and meanwhile, a second soft rubber mat is arranged between the locking piece and the fixing seat.

2. The band stretching device of the flat seaming machine as claimed in claim 1, wherein a tightening surface is provided on the outer wall of the horizontal guide bar and the end thereof engaged with the horizontal adjustment seat, and the tightening surface covers the length direction thereof, and meanwhile, the tightening surface is a plane, the first soft rubber pad covers and is fixed on the tightening surface, and the end of the adjusting screw is tightened against the first soft rubber pad on the tightening surface.

3. The band stretching device of a flat seaming machine as claimed in claim 2, wherein the end of the adjusting screw and the abutting surface are both provided with anti-slip teeth, and the first soft rubber pad and the anti-slip teeth on the abutting surface are integrally injection molded.

4. The flat seaming machine belt stretching device of claim 1, wherein the horizontal adjusting seats are provided in two, and the two horizontal adjusting seats are arranged at intervals.

5. The tape stretcher of claim 1 wherein an adjusting handle is provided on the adjusting screw, and the adjusting screw and the adjusting handle are integrally injection molded.

6. The flat seaming machine belt stretching device of claim 1, wherein the fixing seat comprises a mounting plate and an extension plate, the mounting plate is arranged in a plate shape, the extension plate is formed by bending the lower side of the mounting plate, a plurality of groups of mounting holes are formed in the extension plate, each group of mounting holes comprises a limiting hole and a locking hole, the limiting holes and the locking holes in the same group are arranged at intervals, the locking members are mounted in the locking holes, the limiting holes are located on the sides, deviating from the second rolling shafts, of the locking holes, and one ends, deviating from mounting of the second rolling shafts, of the adjusting plates are matched with the limiting holes.

7. The belt stretching device of the flat seaming machine as claimed in claim 6, wherein the adjusting plate is of a strip structure, a sliding groove is formed in the adjusting plate along the length direction of the adjusting plate, a limiting pin is slidably arranged at one end of the sliding groove, the end portion of the limiting pin is installed in the limiting hole, and one end of the locking member extends into the sliding groove.

8. The flat seaming machine belt supporting device according to claim 7, wherein the locking member comprises a locking bolt, a locking nut and a rotating shaft, a threaded end of the locking bolt sequentially penetrates through the sliding groove and the locking hole and is in threaded connection with the locking nut, a big end of the locking bolt and the locking nut respectively abut against the adjusting plate and the extending plate of the fixing seat, avoidance bayonets are formed in two sides of the big end of the locking bolt, when the locking bolt penetrates through the sliding groove, two groove walls of the sliding groove are clamped into the avoidance bayonets, and the rotating shaft is mounted on the locking nut and is arranged along the radial direction of the locking nut.

9. The band stretching device of the flat seaming machine as claimed in claim 8, wherein the second soft rubber pad is disposed in the avoiding bayonet at one end of the lock nut abutting against the extension plate and the large end of the lock bolt, and a plurality of embedding holes are disposed at one end of the lock nut abutting against the extension plate and a wall body of the avoiding bayonet.

10. The flat seaming machine belt supporting device according to claim 1, further comprising an adjusting roller and a lifting extensible member, wherein the lifting extensible member comprises a lifting seat, a lifting plate and an adjusting member, the lifting seat is mounted on the flat seaming machine body or the bedplate, a first lifting groove is formed in the lifting seat and is arranged in the vertical direction, the lifting plate is arranged vertically, a second lifting groove is formed in the lifting plate and is arranged in the vertical direction, one end of the lifting plate is attached to the lifting seat and is communicated with the second lifting groove and the first lifting groove, the adjusting roller is mounted at the other end of the lifting plate, the axial direction of the adjusting roller is consistent with the axial direction of the first roller, and the adjusting member penetrates through the first lifting groove and the second lifting groove and locks the lifting seat and the lifting plate.