CN215103910U

CN215103910U - Seamless underwear machine with tension control

Info

Publication number: CN215103910U
Application number: CN202121401831.1U
Authority: CN
Inventors: 朱志成
Original assignee: Zhejiang Zhida Clothing Co ltd
Current assignee: Zhejiang Zhida Clothing Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-12-10
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a seamless underwear machine with tension control, which comprises a machine body and a traction mechanism; the traction mechanism comprises a box body, a box cover, a mounting chamber, a first tensioning assembly, a second tensioning assembly, a collecting device and a thread shuttle; the second tensioning assembly connecting block, the stud, the hand wheel, the tensioning wheel and the blowing assembly; a cooling channel is arranged inside the tensioning wheel; the surface of the cooling channel is provided with a plurality of heat conducting fins; the cooling channel is communicated with an external water source; the utility model rotates the hand wheel to rotate the stud, so as to change the height of the tension wheel to tighten the thread; the silk thread is pulled to the tension pulley after flying cotton fibers and the like on the silk thread are cleaned from the blowing assembly, the interior of the tension pulley is cooled by cooling water, the silk thread is prevented from being burnt off due to overhigh temperature when the tension pulley is contacted with the silk thread, and the silk thread is ensured to be continuously supplied to a machine body for sewing.

Description

Seamless underwear machine with tension control

Technical Field

The utility model belongs to the field of sewing machines, in particular to a seamless underwear machine with tension control.

Background

When the existing seamless underwear machine is used, threads are supplied to the sewing machine through the traction mechanism, and the traction mechanism can straighten the threads to prevent the threads from knotting and ensure the sewing quality; when the existing traction mechanism is used, the tension wheel is used for straightening the silk thread and is in contact with the silk thread for a long time, the surface temperature of the tension wheel is increased by heat generated by friction between the tension wheel and the silk thread, and the silk thread is easily blown off after long-time use, so that the production process is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a seamless underwear machine who promotes stability in use, prevents to burn the tension control of taking of line.

The utility model provides a technical scheme does: a seamless underwear machine with tension control comprises a machine body and a traction mechanism positioned on one side of the machine body; the traction mechanism comprises a box body, a box cover connected to the top of the box body in a sliding manner, an installation chamber arranged on one side of the box body, a first tensioning assembly fixedly arranged in the box body, a second tensioning assembly movably arranged in the box body, a collecting device arranged on one side of the first tensioning assembly and one side of the second tensioning assembly, and a thread shuttle for providing a thread; the thread shuttle is arranged in the mounting chamber through two clamping components symmetrically arranged in the mounting seat; the interior of the box body is communicated with the installation chamber through a guide groove; a plurality of fans are arranged in the box body; the second tensioning assembly comprises connecting blocks inserted between the side walls of the box body, studs positioned outside the box body and connected with the connecting blocks, hand wheels arranged at the tops of the studs, tensioning wheels arranged on the connecting blocks and positioned at one end in the box body, and air blowing assemblies symmetrically arranged at two ends of the tensioning wheels; a cooling channel is arranged inside the tensioning wheel; the surface of the cooling channel is provided with a plurality of heat conducting fins; the cooling channel is communicated with an external water source; the stud is rotationally connected to the box body; the fan is arranged on the opposite side of the collecting device in the box body.

The first tensioning assembly is not provided with a connecting block, the stud and the hand wheel are arranged, the rest structures are the same as those of the second tensioning assembly, and a tensioning wheel on the first tensioning assembly is rotationally connected in the box body; after the silk thread is led out from the thread shuttle, the air blowing assembly and the tensioning wheel of the second tensioning assembly are sequentially guided to the air blowing assembly and the tensioning wheel on the first tensioning assembly, and the silk thread is led out of the box body and then supplied to the machine body for sewing; the stud is rotated through the adjusting hand wheel, and then the connecting block matched with the stud moves up and down, so that the tension degree of the silk thread is adjusted; during the silk thread is carried the unnecessary fibre of adhesion such as batting on the subassembly of blowing blows the silk thread and collects on collection device through the promotion of fan, the impurity clearance with on the silk thread falls in order to guarantee the silk thread quality, avoid impurity to fall on the take-up pulley and strengthen the friction between take-up pulley and the silk thread, the silk thread is from the take-up pulley back of process, take-up pulley surface is because of the friction thermogenesis, the conducting strip gives the cooling water in the cooling channel with the heat transfer, make take-up pulley surface temperature obtain control, avoid on the take-up pulley high temperature and burn out the silk thread, ensure that the silk thread can last and supply with the organism steadily and sew.

The surface of one side of the box body, which is close to the machine body, is provided with a J-shaped groove; the air blowing assembly comprises two air vents which are rotatably connected with each other, an air groove arranged in the air vents, an air inlet which is arranged on the air groove and is communicated with an external air source, and an elastic rope which is arranged on the surfaces of the two air vents; the two air ventilation pieces are rotationally connected to the tension wheel; one end of the J-shaped groove is opposite to the middle area of the two air ventilation pieces.

The opening direction of the ventilation piece on the first tensioning assembly is downward, the opening direction of the ventilation piece on the second tensioning assembly is upward, and the tail end of the J-shaped groove is over against the middle area of the two ventilation pieces, so that the silk thread can be directly clamped into the two ventilation pieces from the gap between the ventilation pieces and falls onto the tensioning wheel, and the operation is simple and convenient; the setting of elasticity rope makes the silk thread card go into between two air passages after, but air passage automatic re-setting to make the gas tank encircle the silk thread, the direction of giving vent to anger of gas tank sets up along keeping away from the take-up pulley slope, ventilates in the inlet, and the gas tank just carries out blowing at no dead angle to the silk thread, ensures the clearance effect to the batting.

Y-shaped grooves are formed in two sides of the mounting chamber respectively; the clamping assembly comprises a double-support column positioned at the bottom of one end of the thread shuttle, a first connecting body rotatably connected to the bottom of the double-support column, a first spring arranged at the bottom of the first connecting body, cylinders symmetrically arranged at two sides above the double-support column, a second connecting body rotatably connected to one end of the cylinder, and a second spring arranged at one end of the second connecting body; the cylinder is contacted with one end of the thread shuttle; the first connecting body and the second connecting body can slide in the Y-shaped groove.

When the thread shuttle is installed in the installation chamber, the end part of the thread shuttle is embedded between the two cylinders and the double-support columns, the thread shuttle synchronously rotates along with the supply of the thread, the overall quality of the thread shuttle is reduced due to the reduction of the thread on the thread shuttle, the thread shuttle is gradually lifted up by the double-support columns under the action of the first spring, so that the height position of the leading-out part of the thread on the thread shuttle is correspondingly changed, the contact quantity of the thread fed to the tension wheel and the tension wheel is kept consistent, and the thread is always in a straightening state; when the thread bobbin is replaced, the thread bobbin can be taken out of the mounting chamber only by lifting the thread bobbin, so that the operation process is simplified, and the working efficiency is improved.

Racks are respectively arranged at two ends of the box cover; two sides of the box body are respectively and rotatably connected with gears meshed with the racks; two synchronous belts are arranged on two sides of the box body; the collecting device comprises a lifting block, a cleaning assembly, a partition plate, a barrier strip and a felt, wherein two ends of the lifting block are respectively fixed on the two synchronous belts; the felt is fixed in the box body; the surface of the cleaning component is in close contact with the felt; the top of the synchronous belt is coaxial with the gear; the synchronous belt and the gear rotate synchronously; the barrier strip is supported at the bottom of the partition plate.

The wind power of the fan pushes the wool to be close to the collecting device and to be adsorbed on the felt, so that the wool is prevented from falling onto the silk thread again; when the box cover is opened in a sliding mode, the synchronous belt rotates through transmission of the gear and the rack, so that the lifting block drives the cleaning assembly to move upwards, so that the wool on the felt can be cleaned and collected on the lifting block, the wool can be taken out, and the felt can be reused; set up the baffle and make the batting fall between promotion piece and baffle, avoid promoting the piece and move up the in-process batting and fly everywhere, guarantee the clearance effect of batting.

A push plate is arranged on the partition plate; the cleaning assembly comprises a scraper tightly attached to the felt, a plurality of sliding blocks and a third spring which are arranged on one side of the scraper far away from the felt, a blocking piece arranged on the scraper, and a long strip which is connected to one side of the lifting block far away from the felt in a sliding manner; one end of the sliding block is provided with a slot; the bottom of the long strip is provided with a slope; the top of the strip is provided with an arc surface; the bottom of the strip is inserted into the slot; the arc surface is contacted with the push plate; one end of the third spring is abutted against the surface of the lifting block; the baffle plate is in surface contact with the lifting block.

When the lifting plate moves upwards, the scraper is tightly attached to the felt to clean the surface of the felt, so that the felt can be repeatedly used; when handling the batting on the promotion piece, rotate the baffle and make the batting be convenient for clear up, the push pedal pushes down the rectangular simultaneously, and the slot is inserted to rectangular bottom to promote the slider sideslip, make the scraper blade break away from the felt surface, so that when the promotion board moves down to reset, the scraper blade does not contact with the felt, avoids remaining batting on the felt to be scraped and fall and can't normally be cleared up.

To sum up, the utility model rotates the hand wheel to rotate the stud, so as to change the height of the tension wheel to tighten the wire; the silk thread is pulled to the tension pulley after flying cotton fibers and the like on the silk thread are cleaned from the blowing assembly, the interior of the tension pulley is cooled by cooling water, the silk thread is prevented from being burnt off due to overhigh temperature when the tension pulley is contacted with the silk thread, and the silk thread is ensured to be continuously supplied to a machine body for sewing.

Drawings

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

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the traction mechanism in fig. 1.

Fig. 4 is a partially enlarged view of a portion B in fig. 3.

Fig. 5 is a schematic view of the internal structure of the case of fig. 3.

Fig. 6 is a schematic structural view of the clamping assembly in fig. 4.

Figure 7 is a schematic diagram of the second tensioning assembly of figure 5.

FIG. 8 is a schematic view showing the construction of the air-blowing assembly of FIG. 7.

Fig. 9 is an exploded view of the collection device of fig. 5.

Fig. 10 is a schematic view of the internal structure of the collecting device of fig. 5.

Detailed Description

In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.

As shown in fig. 1-10, a seamless underwear machine with tension control comprises a machine body 1 and a traction mechanism 2 positioned on one side of the machine body; the traction mechanism comprises a box body 3, a box cover 4 connected to the top of the box body in a sliding manner, an installation chamber 5 arranged on one side of the box body, a first tensioning assembly 6 fixedly arranged in the box body, a second tensioning assembly 7 movably arranged in the box body, a collecting device 8 arranged on one side of the first tensioning assembly and one side of the second tensioning assembly, and a thread shuttle 9 for providing a thread; the thread shuttle is arranged in the installation chamber through two clamping assemblies 10 which are symmetrically arranged in the installation seat; the interior of the box body is communicated with the installation chamber through a guide groove 31; a plurality of fans 32 are arranged in the box body; the second tensioning assembly comprises a connecting block 71 inserted between the side walls of the box body, a stud 72 positioned outside the box body and connected with the connecting block, a hand wheel 73 arranged at the top of the stud, a tensioning wheel 74 arranged at one end of the connecting block in the box body, and air blowing assemblies 75 symmetrically arranged at two ends of the tensioning wheel; a cooling channel 76 is arranged inside the tensioning wheel; the surface of the cooling channel is provided with a plurality of heat conducting fins 77; the cooling channel is communicated with an external water source; the stud is rotationally connected to the box body; the fan is arranged on the opposite side of the collecting device in the box body; the surface of one side of the box body 3 close to the machine body is provided with a J-shaped groove 33; the blowing assembly 75 comprises two ventilation members 751 which are rotatably connected with each other, an air groove 752 arranged in the ventilation members, an air inlet 753 arranged on the air groove and used for communicating with an external air source, and an elastic rope 754 arranged on the surfaces of the two ventilation members; the two air ventilation pieces are rotationally connected to the tension wheel 74; one end of the J-shaped groove is opposite to the middle area of the two air ventilation pieces.

The machine body 1 has the same structure as the existing sewing machine, and is not described again; the first tensioning assembly 6 is not provided with a connecting block 71, a stud 72 and a hand wheel 73, the rest structures are the same as those of the second tensioning assembly 7, and a tensioning wheel 74 on the first tensioning assembly 6 is rotationally connected in the box body 3; the opening direction of the air vent 751 on the first tensioning assembly 6 is downward, and the opening direction of the air vent 751 on the second tensioning assembly 7 is upward; the J-shaped slot 33 is open at the top and ends in alignment with the middle region of the vent 751; in use, the thread on the thread shuttle 9 is led out from the guide groove 31, is opposite to the middle area of the ventilation pieces 751, is clamped between the two ventilation pieces 751 by the opening above the two ventilation pieces 751 of the second tensioning assembly 7, is then led to slide to the tail end of the J-shaped groove 33 gradually by the opening of the J-shaped groove 33, is clamped between the two ventilation pieces 751 by the opening below the two ventilation pieces 751 of the first tensioning assembly 6, and is led to the machine body 1 for sewing after being straightened; the stud 72 is in threaded connection with the connecting block 71, the connecting block 71 is moved up and down by rotating the hand wheel 73, and the drawing-in degree of the silk threads is controlled so as to adapt to different types of silk threads; the air outlet direction of the air groove 752 is obliquely arranged along the direction far away from the tension wheel 74, after the air is introduced into the air inlet 753, the air groove 752 blows air to the silk threads without dead angles, so that the wool batting on the silk threads is blown away, and the wool batting is blown to the collecting device 8 by the fan 32 to be collected; when sewing, the thread pushes the tension wheel 74 to rotate, the heat conducting fins 77 rotate along with the tension wheel, and the flowing water in the cooling channel 76 is disturbed when being conveyed, so that the heat exchange effect is enhanced, and the surface temperature of the tension wheel 74 is controlled.

Two sides of the mounting chamber 5 are respectively provided with a Y-shaped groove 51; the clamping assembly 10 comprises a double-support 101 positioned at the bottom of one end of the thread bobbin, a first connecting body 102 rotatably connected to the bottom of the double-support, a first spring 103 arranged at the bottom of the first connecting body, cylinders 104 symmetrically arranged at two sides above the double-support, a second connecting body 105 rotatably connected to one end of the cylinder, and a second spring 106 arranged at one end of the second connecting body; the cylinder is contacted with one end of the thread shuttle; the first connecting body and the second connecting body can slide in the Y-shaped groove.

When the thread bobbin 9 is installed, the two ends of the thread bobbin 9 are buckled into the installation chamber 5, and the cylinder 104 is always contacted with the thread bobbin 9 under the action of the second spring 106; the double strut 101 is supported at the bottom of the thread bobbin 9 so that the end of the thread bobbin 9 is located between the cylinder 104 and the double strut 101; in the sewing process, the weight of the thread shuttle 9 is gradually reduced, the first spring 103 drives the first connecting body 102 to move upwards, and the second connecting body 105 slides upwards along the Y-shaped groove 51, so that the overall position of the thread shuttle 9 is raised, the height position of a thread led out from the thread shuttle 9 is stable, and the thread is prevented from being cut off by contacting with the lower edge of the ventilation piece 751 on the second tensioning assembly 7; after the sewing is finished, the thread lifting shuttle 9 contracts the second spring 106, and the first spring 103 pushes the thread shuttle 9 to move upwards until the thread shuttle 9 is taken out.

Two ends of the box cover 4 are respectively provided with a rack 41; two sides of the box body 3 are respectively and rotatably connected with a gear 34 meshed with the rack; two synchronous belts 35 are arranged on two sides of the box body; the collecting device 8 comprises a lifting block 81, a cleaning assembly 82, a partition plate 83, a barrier strip 84 and a felt 85, wherein two ends of the lifting block 81 are respectively fixed on two synchronous belts; the felt is fixed in the box body; the surface of the cleaning component is in close contact with the felt; the top of the synchronous belt is coaxial with the gear; the synchronous belt and the gear rotate synchronously; the barrier strip is supported at the bottom of the partition plate; a push plate 831 is arranged on the partition 83; the cleaning assembly 82 comprises a scraping plate 821 tightly attached to the felt, a plurality of sliding blocks 822 and third springs 823 arranged on one side of the scraping plate far away from the felt, a blocking plate 824 arranged on the scraping plate, and a strip 825 connected to one side of the lifting block 81 far away from the felt in a sliding mode; one end of the sliding block is provided with a slot 826; the bottom of the strip is provided with a slope 827; the top of the strip is provided with an arc surface 828; the bottom of the strip is inserted into the slot; the arc surface is contacted with the push plate; one end of the third spring is abutted against the surface of the lifting block; the baffle plate is in surface contact with the lifting block.

When the box cover 4 is opened, the rack 41 is meshed with the gear 34, the gear 34 drives the synchronous belts 35 to rotate, the lifting block 81 fixed between the two synchronous belts 35 moves upwards, the scraping plate 821 is tightly attached to the felt 85 under the action of the third spring 823, the blocking piece 824 is contacted with the surface of the lifting block 81, the partition plate 83 falls on the blocking strip 84 and is in a horizontal state, and the lint shoveled by the scraping plate 821 falls on the surface of the lifting block 81; when the box cover 4 is completely opened, the lifting block 81 moves to the top of the box body 3, and the separation plate 83 is rotated to clean the lint on the lifting block 81; meanwhile, the push plate 831 rotates and contacts the arc surface 828 to enable the strip 825 to move downwards, the slope surface 827 is inserted into the slot 826 to push the slider 822 to move transversely, and the scraper 821 is separated from the surface of the felt 85; after the lint is cleaned, the box cover 4 is closed, the synchronous belt 35 drives the lifting plate to move downwards and reset, the strip 825 contacts the inner bottom surface of the box body 3 and moves upwards and resets, and the push plate 831 is pushed to rotate to reset the partition 83; the squeegee 821 is returned to its traversing position by the third spring 823 to again abut against the felt 85 for the next cleaning of the felt 85.

When the sewing machine is used, the thread shuttle 9 is rotatably connected into the installation chamber 5 through the clamping assembly 10, a thread led out by the thread shuttle 9 is led out from the guide groove 31, sequentially passes through the second tensioning assembly 7 and the first tensioning assembly 6, is led out of the box body 3 through the J-shaped groove 33 and then is connected onto the machine body 1 for sewing; during the process, the hand wheel 73 is rotated to adjust the height of the tension wheel 74 on the second tension assembly 7, so that the wire is straightened and tensioned; the air groove 752 is ventilated to blow up the wool on the silk threads, and the wool falls on the felt 85 after being pushed by the wind power of the fan 32; flowing water is introduced into the cooling channel 76 to cool the tension wheel 74, so that the silk threads are prevented from being blown; after sewing is finished, the box cover 4 is opened in a sliding mode, the lifting block 81 moves upwards, the scraping plate 821 cleans and collects the lint on the felt 85 between the lifting block 81 and the partition plate 83 until the box cover 4 is completely opened, the lint can be cleaned by opening the partition plate 83, then the box cover 4 is closed, and the lifting block 81 moves downwards and resets.

Claims

1. A seamless underwear machine with tension control comprises a machine body (1) and a traction mechanism (2) positioned on one side of the machine body; the method is characterized in that: the traction mechanism comprises a box body (3), a box cover (4) connected to the top of the box body in a sliding mode, an installation chamber (5) arranged on one side of the box body, a first tensioning assembly (6) fixedly installed in the box body, a second tensioning assembly (7) movably installed in the box body, a collecting device (8) arranged on one side of the first tensioning assembly and one side of the second tensioning assembly, and a thread shuttle (9) used for providing threads; the thread shuttle is arranged in the mounting chamber through two clamping assemblies (10) symmetrically arranged in the mounting seat; the interior of the box body is communicated with the installation chamber through a guide groove (31); a plurality of fans (32) are arranged in the box body; the second tensioning assembly comprises connecting blocks (71) inserted between the side walls of the box body, studs (72) positioned outside the box body and connected with the connecting blocks, hand wheels (73) arranged at the tops of the studs, tensioning wheels (74) arranged at one ends of the connecting blocks in the box body, and air blowing assemblies (75) symmetrically arranged at two ends of the tensioning wheels; a cooling channel (76) is arranged inside the tension wheel; the surface of the cooling channel is provided with a plurality of heat conducting fins (77); the cooling channel is communicated with an external water source; the stud is rotationally connected to the box body; the fan is arranged on the opposite side of the collecting device in the box body.

2. The seamless underwear machine with tension control of claim 1, wherein: the surface of one side, close to the machine body, of the box body (3) is provided with a J-shaped groove (33); the blowing assembly (75) comprises two ventilation pieces (751) which are rotatably connected with each other, an air groove (752) arranged in the ventilation pieces, an air inlet (753) arranged on the air groove and used for being communicated with an external air source, and an elastic rope (754) arranged on the surfaces of the two ventilation pieces; the two air ventilation pieces are rotationally connected to the tension wheel (74); one end of the J-shaped groove is opposite to the middle area of the two air ventilation pieces.

3. The seamless underwear machine with tension control of claim 1, wherein: y-shaped grooves (51) are respectively arranged on two sides of the mounting chamber (5); the clamping assembly (10) comprises a double-support column (101) positioned at the bottom of one end of the thread shuttle, a first connecting body (102) rotatably connected to the bottom of the double-support column, a first spring (103) arranged at the bottom of the first connecting body, cylinders (104) symmetrically arranged on two sides above the double-support column, a second connecting body (105) rotatably connected to one end of each cylinder, and a second spring (106) arranged at one end of each second connecting body; the cylinder is contacted with one end of the thread shuttle; the first connecting body and the second connecting body can slide in the Y-shaped groove.

4. The seamless underwear machine with tension control of claim 1, wherein: two ends of the box cover (4) are respectively provided with a rack (41); two sides of the box body (3) are respectively and rotatably connected with a gear (34) meshed with the rack; two synchronous belts (35) are arranged on two sides of the box body; the collecting device (8) comprises a lifting block (81) with two ends respectively fixed on the two synchronous belts, a cleaning assembly (82) positioned on one side of the lifting block, a partition plate (83) rotatably connected to the top of the lifting block, a barrier strip (84) arranged on the lifting block, and a felt (85) positioned on one side of the cleaning assembly; the felt is fixed in the box body; the surface of the cleaning component is in close contact with the felt; the top of the synchronous belt is coaxial with the gear; the synchronous belt and the gear rotate synchronously; the barrier strip is supported at the bottom of the partition plate.

5. The seamless underwear machine with tension control of claim 4, wherein: a push plate (831) is arranged on the partition plate (83); the cleaning assembly (82) comprises a scraping plate (821) tightly attached to the felt, a plurality of sliding blocks (822) and third springs (823) arranged on one side, far away from the felt, of the scraping plate, a blocking piece (824) arranged on the scraping plate, and a long strip (825) connected to one side, far away from the felt, of the lifting block (81) in a sliding mode; one end of the sliding block is provided with a slot (826); the bottom of the long strip is provided with a slope surface (827); the top of the long strip is provided with an arc surface (828); the bottom of the strip is inserted into the slot; the arc surface is contacted with the push plate; one end of the third spring is abutted against the surface of the lifting block; the baffle plate is in surface contact with the lifting block.