CN214569750U - Negative pressure yarn suction mechanism for bobbin winder yarn inserting robot - Google Patents

Abstract

The utility model discloses a bobbin winder inserts yarn machine ware and inhales yarn mechanism with negative pressure, including the extension board, one side fixed mounting at extension board top has the spring holder, and the inside at spring holder both ends all articulates there is the dead lever, and the top of dead lever articulates there is the roof, and the sliding sleeve has been cup jointed in the outside of dead lever, and the bottom fixed mounting of sliding sleeve has the fly leaf, and the movable mounting of spring holder intermediate part has the telescopic link, and the lift cylinder has been cup jointed in the outside of telescopic link bottom, and one side fixed mounting of roof has the protective housing. The fixed lantern ring drives flexible pipe downstream, and then cup joints the outside at the spool, and the scissors air door of going on the production line is opened this moment, and the scissors air door of going off the production line is closed, and the air current goes upward upwards to inhale first negative pressure pipe with the yarn, detects the yarn entering back at first sensor simultaneously, and the scissors air door of going on the production line is closed, and the scissors air door of going off the production line is opened simultaneously, and the yarn is inhaled into the spool and decides the spool seat otter board in the yarn pedestal under the effect of negative pressure pipe and the air current combined action of blowing pipe, accomplishes the yarn process of inhaling.

Description

Negative pressure yarn suction mechanism for bobbin winder yarn inserting robot

Technical Field

The utility model belongs to the technical field of spinning machine equipment, concretely relates to yarn mechanism is inhaled with negative pressure to cone winder yarn inserting machine robot.

Background

The textile machinery is various mechanical equipment required for processing natural fibers or chemical fibers into textiles, the machinery for producing chemical fibers comprises various chemical machinery, is considered as an extension of the textile machinery at present, belongs to the broad textile machinery, and has different procedures and completely different processes required for processing different fibers such as cotton, hemp, silk, wool and the like into textiles, so the required machines are various and various, but the design principles of certain machines are similar, even if the same equipment is adopted, the structures of the machines are similar, but the machines cannot be generally used due to different properties of raw materials and final requirements on the fabrics.

The negative pressure suction mechanism for the strand bundle of the spinning frame, which is disclosed by the Chinese patent CN2672097Y, can make full use of the structural arrangement and the spatial layout of the existing equipment, the negative pressure fan and the negative pressure suction barrel of the negative pressure suction mechanism are respectively arranged at the lower part and the upper part of the equipment, and the negative pressure main pipeline passes through the cotton suction wind barrel of the equipment ingeniously and is positioned between two rows of symmetrically arranged spindles, so that the pipeline design layout is reasonable and simple, the wind power transmission is uniform and smooth, and the friction loss along the way is small. The cotton suction wind tube is of a thin-wall hollow structure, so the construction is very easy to realize, and the cotton suction wind tube has the characteristics of few used parts, few changes of related original parts, low reconstruction cost, convenient assembly and disassembly, no negative influence on important components of equipment and the like. The above characteristics are very beneficial to the manufacture of new equipment and the modification of the existing old machine type, but the following problems still exist when the equipment is used:

1. due to the special structures of the traction roller and the auxiliary roller, the yarn suction operation is single in the use process, and the distance between the negative pressure and the yarn tube cannot be adjusted in the yarn suction process.

2. Due to the structure of yarn suction, the situation that the operation cannot be carried out according to the actual situation in use due to the fact that the specific position of the yarn cannot be detected in the use process is caused.

3. The device for guiding and limiting the multistage negative pressure pipe is not provided, so that the problems that the structure of the multistage negative pressure pipe cannot be adjusted and coordinated according to the situation in the using process and the assembly and disassembly are inconvenient are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a negative pressure yarn suction mechanism for bobbin winder yarn inserting robot, solved and inhale the unable adjustment negative pressure of yarn in-process and the distance between the spool and because of the concrete position of unable detection yarn, and then lead to the unable condition of carrying out the operation according to actual conditions of in use to and can't adjust the inconvenient problem of coordinating multi-structure and assembly and disassembly according to the condition in the use.

In order to achieve the above object, the utility model provides a following technical scheme: a negative pressure yarn suction mechanism for a yarn inserting robot of a bobbin winder comprises a support plate, wherein a spring seat is fixedly installed on one side of the top of the support plate, fixed rods are hinged to the inner portions of two ends of the spring seat, a top plate is hinged to the top of each fixed rod, a sliding sleeve is sleeved on the outer side of each fixed rod, a movable plate is fixedly installed at the bottom of each sliding sleeve, a telescopic rod is movably installed at the middle part of each spring seat, a lifting cylinder is sleeved on the outer side of the bottom end of each telescopic rod, a protective shell is fixedly installed on one side of the top plate, a bobbin yarn fixing pedestal is fixedly installed at the middle part of the support plate, a fixed pipe is fixedly installed at the top of the bobbin yarn fixing pedestal, a bobbin is movably sleeved on the outer side of each fixed pipe, a fixed sleeve ring is fixedly installed on one side of the movable plate far away from the sliding sleeve, a yarn twisting balloon is movably installed in the fixed sleeve, and a yarn inlet hole is formed in the yarn twisting balloon, the top end of the fixed lantern ring is communicated with a telescopic pipe, the top end of the telescopic pipe is communicated with a first connecting pipe, a second sensor is fixedly arranged in the first connecting pipe, the top end of the first connecting pipe is communicated with a first negative pressure pipe, a first sensor is movably arranged on the inner side of one end of the first negative pressure pipe far away from the extension pipe, the other end of the first negative pressure pipe is communicated with a second negative pressure pipe, a protective shell is movably arranged on the outer side of the second negative pressure pipe, the bottom end of the second negative pressure pipe is communicated with a second connecting pipe, the bottom of the support plate is hinged with an L-shaped support plate, one side of the bottom of the L-shaped support plate is movably provided with an air door of an upper thread scissors, opposite side movable mounting of L type backup pad bottom has a scissors air door of rolling off the production line, the inside of yarn pedestal is decided to the spool articulates there is the third connecting pipe, the bottom of third connecting pipe articulates there is the sliding seat.

Preferably, the top end of the telescopic rod is hinged to the bottom of the movable plate, and the movable plate is sleeved on the outer side of the fixed rod.

Preferably, the telescopic link is sleeved in the lifting cylinder, penetrates through the inside of the spring seat and extends to the bottom of the movable plate.

Preferably, the bobbin is located inside the yarn twisting balloon, and the specification and the size of the bobbin are matched with those of the yarn twisting balloon.

Preferably, the first connecting pipe penetrates through the top plate and extends to the inside of the first negative pressure pipe, the protective shell is fixedly mounted at the top of the support plate, the second connecting pipe penetrates through the inside of the support plate and extends to the inside of the second negative pressure pipe, and the second connecting pipe penetrates through the L-shaped support plate and extends to the inside of the upper line scissor air door.

Preferably, the inner part of one side of the second negative pressure pipe is communicated with an air blowing pipe, and the outer side of the air blowing pipe is movably provided with a movable cover.

Preferably, the third connecting pipe penetrates through the movable seat and extends to the inside of the air door of the offline scissors.

Preferably, the bottoms of the upper line scissors air door and the lower line scissors air door are communicated with a U-shaped pipe, the air inlet end of one side of the U-shaped pipe is communicated with a communicating pipe, and the air inlet end of the communicating pipe is communicated with an outer connecting pipe.

Preferably, the inside movable mounting of yarn pedestal is decided to the spool has the spool seat brush, the inside movable mounting of yarn pedestal is decided to the spool has the spool seat otter board.

Preferably, the outside movable mounting of the bottom of lift cylinder has the ring cover, the inside of ring cover one end articulates there is the pivot, the pivot runs through the inside in L type backup pad one side, the inside of ring cover other end articulates there is articulated bolt, the outside of articulated bolt articulates the inside in L type backup pad one side.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the outer connecting pipe is communicated with the air pump to blow air inwards or suck air inwards and outwards through the air blowing pipe, the telescopic rod sleeved inside the lifting cylinder is limited by the spring seat and extends out through starting the lifting cylinder, acting force is applied to the movable plate through the telescopic rod, the movable plate moves under jacking of the telescopic rod along the track of the fixed rod under the action of the fixed rod in the sleeving manner of the sliding sleeve, the fixed sleeve ring is driven to move downwards through the movable plate, the telescopic pipe is driven to move downwards through the fixed sleeve ring, the fixed sleeve ring is further sleeved outside the bobbin and moves downwards along the bobbin, at the moment, an air door of the thread feeding scissors is opened, an air door of the thread discharging scissors is closed, air flow goes upwards, the thread twisting air ring moves downwards under the action of the lifting cylinder to form a closed chamber with the thread twisting air ring of the telescopic pipe and a yarn fixing pedestal of the bobbin, and meanwhile, a thread inlet hole with a rotation angle on the thread twisting air ring generates reverse spiral air flow action on yarns around the body of the bobbin, the yarn is enabled to be sucked into an ascending pipeline upwards, the yarn is sucked into the first negative pressure pipe upwards, meanwhile, after the first sensor detects that the yarn enters, the air door of the on-line scissors is closed, the air door of the off-line scissors is opened, the yarn is sucked into the bobbin seat screen plate in the bobbin fixing yarn seat under the action of the negative pressure pipe and the air flow combined action of the air blowing pipe, the yarn sucking process is completed, the effective yarn in the process is guided and sucked, the production efficiency is improved, the labor intensity of operators is reduced, and the yarn sucking effect is good.

2. Through setting up L type backup pad, at the internally mounted pivot of L type backup pad one side, the ring cover of pivot outside installation, the ring cover rotates under the effect of pivot and connects the lift cylinder in the outside of L type backup pad, and articulate the articulated bolt in the inside of L type backup pad, it is fixed with the lift cylinder, this scheme can be so that the lift cylinder is when flexible telescopic link, when transmitting the effort for the fly leaf, the position of fixed lift cylinder, prevent that it from changing the position of telescopic link because of taking place the displacement, influence the equipment function, excellent in protection effect, the lift efficiency of lift cylinder has been promoted.

3. Through setting up spool seat brush and spool seat otter board, when the yarn flow is inhaled to equipment, can guide and the separation with the yarn, prevent the yarn because in the negative pressure effect entering pipeline, and damage equipment, the production flow has been optimized, through setting up communicating pipe, this structure can be connected at the communicating pipe other end, double production efficiency, further optimization has promoted production efficiency, through setting up first sensor, can carry out the negative pressure with the yarn at the very first time and take out, detect the position of yarn, and start opening and closing of scissors air door and the scissors air door of inserting the production line, the uncertainty when manual work has been solved, and the work burden of operation personnel has been alleviateed, the operating efficiency has been promoted.

Drawings

Fig. 1 is a schematic left-side view of the three-dimensional structure of the present invention;

fig. 2 is a schematic diagram of a right-side perspective structure of the present invention;

FIG. 3 is a front view of the external structure of the present invention;

fig. 4 is a rear view external structure diagram of the present invention;

FIG. 5 is a schematic view of the internal structure of the yarn fixing pedestal of the bobbin of the present invention;

FIG. 6 is a schematic view of the structure of the ring sleeve of the present invention;

FIG. 7 is a front sectional view of the internal structure of the present invention;

fig. 8 is a schematic view of the twist balloon structure of the present invention.

In the figure: 1. a support plate; 2. a spring seat; 3. a telescopic rod; 4. fixing the rod; 5. a movable plate; 6. a sliding sleeve; 7. a telescopic pipe; 8. a first connecting pipe; 9. a top plate; 10. a first negative pressure tube; 11. a first sensor; 12. a second negative pressure tube; 13. an air blowing pipe; 14. a movable cover; 15. a fixed collar; 16. a bobbin; 17. a protective shell; 18. a communicating pipe; 19. an outer connecting pipe; 20. a U-shaped pipe; 21. an L-shaped support plate; 22. a movable seat; 23. a bobbin yarn fixing pedestal; 24. sleeving a ring; 25. a lifting cylinder; 26. a second connecting pipe; 27. a hinge bolt; 28. an air door of an upper thread scissors; 29. an off-line scissors air door; 30. a third connecting pipe; 31. a fixed tube; 32. a bobbin seat brush; 33. a bobbin base screen plate; 34. a rotating shaft; 35. a twisted yarn air inlet hole; 36. twisting a balloon; 37. a second sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a negative pressure yarn suction mechanism for a bobbin winder yarn inserting robot comprises a support plate 1, a spring seat 2 is fixedly installed on one side of the top of the support plate 1, fixed rods 4 are hinged inside two ends of the spring seat 2, a top plate 9 is hinged on the top of the fixed rods 4, a sliding sleeve 6 is sleeved on the outer side of the fixed rods 4, a movable plate 5 is fixedly installed at the bottom of the sliding sleeve 6, a telescopic rod 3 is movably installed at the middle part of the spring seat 2, a lifting cylinder 25 is sleeved on the outer side of the bottom end of the telescopic rod 3, a protective shell 17 is fixedly installed on one side of the top plate 9, a bobbin fixing yarn seat 23 is fixedly installed at the middle part of the support plate 1, a fixed pipe 31 is fixedly installed at the top of the bobbin fixing yarn seat 23, a bobbin 16 is movably sleeved on the outer side of the fixed pipe 31, a fixed lantern ring 15 is fixedly installed on one side of the movable plate 5 far away from the sliding sleeve 6, a yarn twisting air ring 36 is movably installed inside the fixed lantern ring 15, and a twisting air inlet 35 is formed in the twisting air ring 36, the top end of the fixed lantern ring 15 is communicated with a telescopic pipe 7, the top end of the telescopic pipe 7 is communicated with a first connecting pipe 8, a second sensor 37 is fixedly mounted inside the first connecting pipe 8, the top end of the first connecting pipe 8 is communicated with a first negative pressure pipe 10, a first sensor 11 is movably mounted on the inner side, away from one end of the telescopic pipe 7, of the first negative pressure pipe 10, the other end of the first negative pressure pipe 10 is communicated with a second negative pressure pipe 12, a protective shell 17 is movably mounted on the outer side of the second negative pressure pipe 12, the bottom end of the second negative pressure pipe 12 is communicated with a second connecting pipe 26, an L-shaped supporting plate 21 is hinged to the bottom of the supporting plate 1, an upper line scissors air door 28 is movably mounted on one side of the bottom of the L-shaped supporting plate 21, a lower line scissors air door 29 is movably mounted on the other side of the bottom of the L-shaped supporting plate 21, a third connecting pipe 30 is hinged to the inside of the yarn fixing base 23, and a movable base 22 is hinged to the bottom end of the third connecting pipe 30.

In the embodiment, by arranging the outer connecting pipe 19, the outer connecting pipe 19 is communicated with the air pump to blow air inwards or suck air inwards and outwards through the air blowing pipe 13, the outer connecting pipe 19 is used for air inlet, the telescopic rod 3 sleeved inside the lifting cylinder 25 is extended under the limit of the spring seat 2 by starting the lifting cylinder 25, the telescopic rod 3 applies acting force on the movable plate 5, the movable plate 5 moves under the jacking of the telescopic rod 3 along the track of the fixed rod 4 under the action of the sleeve-connected fixed rod 4 of the sliding sleeve 6, the fixed sleeve ring 15 is driven by the movable plate 5 to move downwards, the fixed sleeve ring 15 drives the telescopic pipe 7 to move downwards and further sleeved outside the bobbin 16 and move downwards along the bobbin 16, at the moment, the upper thread scissors air door 28 is opened, the lower thread air door 29 of the scissors is closed, the air current moves upwards, the twisting air ring 36 moves downwards under the action of the lifting cylinder 25, and the twisting air ring 36 and the telescopic pipe 7 and the bobbin fixing pedestal 23 form a closed chamber, meanwhile, the twisting air inlet hole 35 with the rotation angle on the twisting air ring 36 generates reverse spiral airflow action on yarns around the bobbin, the yarns are enabled to be sucked into an ascending pipeline upwards, the yarns are sucked into the first negative pressure pipe 10 upwards, after the first sensor 11 detects that the yarns enter, the air door 28 of the on-line scissors is closed, the air door 29 of the off-line scissors is opened, the yarns are sucked into the bobbin seat screen plate 33 in the bobbin fixing yarn seat 23 under the combined action of the negative pressure pipe and the airflow of the air blowing pipe 13, the yarn sucking process is completed, the effective yarns in the process are guided and sucked, the production efficiency is improved, the labor intensity of operators is relieved, and the yarn sucking effect is good.

Specifically, the top end of the telescopic rod 3 is hinged to the bottom of the movable plate 5, and the movable plate 5 is sleeved on the outer side of the fixed rod 4.

In this embodiment, the telescopic rod 3 is used to drive the movable plate 5 to ascend and descend, and the fixed rod 4 is used to provide a moving track for the movable plate 5, and move along a predetermined track, so as to accurately sleeve the telescopic tube 7 on the outer side of the bobbin 16.

Specifically, the telescopic rod 3 is sleeved inside the lifting cylinder 25, and the telescopic rod 3 penetrates through the inside of the spring seat 2 and extends to the bottom of the movable plate 5.

In this embodiment, the effect of lift cylinder 25 is for telescopic link 3 provides flexible power, and telescopic link 3 runs through spring holder 2, and spring holder 2 provides spacingly for telescopic link 3, along the motion of established orbit, has further injectd the motion position of equipment, prevents the skew.

Specifically, the bobbin 16 is located inside the twist balloon 36, and the specification and the size of the bobbin 16 are matched with those of the twist balloon 36.

In this embodiment, the telescopic tube 7 and the yarn twisting balloon 36 can be effectively and accurately sleeved outside the bobbin 16 through the fixing collar 15.

Specifically, the first connecting pipe 8 penetrates through the top plate 9 and extends to the inside of the first negative pressure pipe 10, the protective shell 17 is fixedly mounted at the top of the support plate 1, the second connecting pipe 26 penetrates through the inside of the support plate 1 and extends to the inside of the second negative pressure pipe 12, and the second connecting pipe 26 penetrates through the L-shaped support plate 21 and extends to the inside of the upper line scissor air door 28.

In this embodiment, the first connecting pipe 8 guides the air flow to the inside of the negative pressure pipe, and the second connecting pipe 26 connects the air flow to the upper scissors damper 28 and the negative pressure pipe.

Specifically, the interior of one side of the second negative pressure pipe 12 is communicated with an air blowing pipe 13, and a movable cover 14 is movably mounted on the outer side of the air blowing pipe 13.

In this embodiment, the blowing pipe 13 installed at one side of the negative pressure pipe provides air flow for negative pressure, the blowing pipe 13 and the negative pressure act together to suck out the yarn, the movable cover 14 acts to open and close, the air flow throughput can be controlled, and the structure communicating the other end of the communicating pipe 18 provides air flow balance.

Specifically, the third connection pipe 30 penetrates through the movable seat 22 and extends to the inside of the lower line scissors damper 29.

In this embodiment, the third connecting pipe 30 is the lower line scissors damper 29, providing airflow diversion.

Specifically, the bottoms of the upper line scissors air door 28 and the lower line scissors air door 29 are communicated with a U-shaped pipe 20, the air inlet end of one side of the U-shaped pipe 20 is communicated with a communicating pipe 18, and the air inlet end of the communicating pipe 18 is communicated with an outer connecting pipe 19.

In this embodiment, the outer connecting pipe 19 is connected to an air pump to enable air flow to pass through the communicating pipe 18 and enter the U-shaped pipe 20, so that the air flow is guided to cooperate with negative pressure yarn suction operation.

Specifically, a bobbin seat brush 32 is movably mounted inside the bobbin fixing base 23, and a bobbin seat screen 33 is movably mounted inside the bobbin fixing base 23.

In this embodiment, bobbin base brush 32 and bobbin base otter board 33 of bobbin yarn fixing pedestal 23 internally mounted, its effect is when equipment inhales the yarn flow, can guide and the separation with the yarn, prevents that the yarn from because in the negative pressure effect gets into the pipeline, and to equipment damage, has optimized the production procedure.

Specifically, a ring sleeve 24 is movably mounted on the outer side of the bottom of the lifting cylinder 25, a rotating shaft 34 is hinged inside one end of the ring sleeve 24, the rotating shaft 34 penetrates through the inside of one side of the L-shaped support plate 21, a hinge bolt 27 is hinged inside the other end of the ring sleeve 24, and the outer side of the hinge bolt 27 is hinged inside one side of the L-shaped support plate 21.

In this embodiment, through setting up L type backup pad 21, at the internally mounted pivot 34 of L type backup pad 21 one side, the ring cover 24 of the installation in the pivot 34 outside, ring cover 24 rotates under the effect of pivot 34 and cup joints lift cylinder 25 in the outside of L type backup pad 21, and articulate hinge bolt 27 in the inside of L type backup pad 21, it is fixed with lift cylinder 25, this scheme can be so that lift cylinder 25 is when flexible telescopic link 3, when transmitting the effort for fly leaf 5, the position of fixed lift cylinder 25, prevent it because of taking place the displacement and change the position of telescopic link 3, influence equipment operation, the protecting effect is good, the lifting efficiency of lift cylinder 25 has been promoted.

The utility model discloses a theory of operation and use flow: firstly, when the device is used, firstly, the outer connecting pipe 19 is communicated with an air pump to blow air inwards or the air blowing pipe 13 sucks air inwards and outwards, the outer connecting pipe 19 feeds air, then the lifting cylinder 25 is started to enable the telescopic rod 3 sleeved inside the lifting cylinder 25 to extend out under the limit of the spring seat 2, the telescopic rod 3 applies acting force on the movable plate 5, the movable plate 5 moves under the jacking of the telescopic rod 3 along the track of the fixed rod 4 under the action of the sleeve joint of the sliding sleeve 6 under the action of the fixed rod 4, the fixed lantern ring 15 is driven by the movable plate 5 to move downwards, the telescopic pipe 7 is driven by the fixed lantern ring 15 to move downwards and further sleeved outside the bobbin 16 and move downwards along the bobbin 16, at the moment, the upper thread scissors air door 28 is opened, the lower thread scissors air door 29 is closed, the air current moves upwards, the twisting air ring 36 moves downwards under the action of the lifting cylinder 25 to form a closed chamber with the twisting air ring 36 of the telescopic pipe 7 and the bobbin fixing base 23, meanwhile, a twisting air inlet hole 35 with a rotation angle on the twisting air ring 36 generates reverse spiral airflow action on the yarn on the whole body of the bobbin to promote the yarn to be upwards sucked into an ascending pipeline, the yarn is upwards sucked into the first negative pressure pipe 10, after the first sensor 11 detects that the yarn enters, an air door 28 of an upper line scissors is closed, an air door 29 of a lower line scissors is opened, the yarn is sucked into a bobbin base screen plate 33 in the bobbin fixing yarn base 23 under the combined action of the negative pressure pipe and the airflow of the blowing pipe 13 to finish the yarn sucking process, the process effectively guides and sucks the yarn, the production efficiency is improved, the labor intensity of operators is reduced, the yarn sucking effect is good, the yarn can be guided and blocked when the yarn sucking process is carried out by the equipment by arranging the bobbin base hairbrush 32 and the bobbin base screen plate 33, the yarn is prevented from entering the pipeline due to the negative pressure action and damaging the equipment, the production flow is optimized, the communicating pipe 18 is arranged, the structure can be connected to the other end of the communicating pipe 18, the production efficiency is doubled, the production efficiency is further optimized and improved, the position of the yarn can be detected when negative pressure is taken out of the yarn in the first time by arranging the first sensor 11, the opening and closing of the scissors air door 28 on the line and the scissors air door 29 off the line are started, the uncertainty in manual operation is solved, the labor burden of operators is relieved, and the operation efficiency is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a yarn mechanism is inhaled to negative pressure for cone winder yarn inserting robot, includes extension board (1), its characterized in that: the bobbin fixing device is characterized in that a spring seat (2) is fixedly mounted on one side of the top of the support plate (1), fixing rods (4) are hinged to the inner portions of the two ends of the spring seat (2), a top plate (9) is hinged to the top of each fixing rod (4), a sliding sleeve (6) is sleeved on the outer side of each fixing rod (4), a movable plate (5) is fixedly mounted on the bottom of each sliding sleeve (6), a telescopic rod (3) is movably mounted at the middle portion of each spring seat (2), a lifting cylinder (25) is sleeved on the outer side of the bottom end of each telescopic rod (3), a protective shell (17) is fixedly mounted on one side of the top plate (9), a bobbin fixing pedestal (23) is fixedly mounted at the middle portion of the support plate (1), a fixing tube (31) is fixedly mounted at the top of the bobbin fixing pedestal (23), a bobbin (16) is movably sleeved on the outer side of the fixing tube (31), and a fixing sleeve ring (15) is fixedly mounted on one side, far away from the sliding sleeve (6), of each movable plate (5), the inner movable mounting of the fixed lantern ring (15) is provided with a twisting air ring (36), a twisting air inlet hole (35) is formed in the twisting air ring (36), the top end of the fixed lantern ring (15) is communicated with a telescopic pipe (7), the top end of the telescopic pipe (7) is communicated with a first connecting pipe (8), a second sensor (37) is fixedly mounted in the first connecting pipe (8), the top end of the first connecting pipe (8) is communicated with a first negative pressure pipe (10), the inner side of one end, away from the telescopic pipe (7), of the first negative pressure pipe (10) is movably mounted with a first sensor (11), the other end of the first negative pressure pipe (10) is communicated with a second negative pressure pipe (12), the outer side of the second negative pressure pipe (12) is movably mounted with a protective shell (17), the bottom end of the second negative pressure pipe (12) is communicated with a second connecting pipe (26), the bottom of extension board (1) articulates there is L type backup pad (21), one side movable mounting of L type backup pad (21) bottom has the scissors air door (28) of going up the standard grade, the opposite side movable mounting of L type backup pad (21) bottom has down a line scissors air door (29), the inside of yarn pedestal (23) is decided to the spool articulates there is third connecting pipe (30), the bottom of third connecting pipe (30) articulates there is movable seat (22).

2. The negative pressure yarn suction mechanism for the bobbin winder yarn inserting robot as claimed in claim 1, wherein: the top end of the telescopic rod (3) is hinged to the bottom of the movable plate (5), and the movable plate (5) is sleeved on the outer side of the fixed rod (4).

3. The negative pressure yarn suction mechanism for the bobbin winder yarn inserting robot as claimed in claim 1, wherein: the telescopic rod (3) is sleeved inside the lifting cylinder (25), and the telescopic rod (3) penetrates through the inside of the spring seat (2) and extends to the bottom of the movable plate (5).

4. The negative pressure yarn suction mechanism for the bobbin winder yarn inserting robot as claimed in claim 1, wherein: the yarn tube (16) is positioned inside the twisting balloon (36), and the specification and the size of the yarn tube (16) are matched with those of the twisting balloon (36).

5. The negative pressure yarn suction mechanism for the bobbin winder yarn inserting robot as claimed in claim 1, wherein: first connecting pipe (8) run through roof (9) and extend to the inside of first negative pressure pipe (10), protective housing (17) fixed mounting is at the top of extension board (1), and second connecting pipe (26) run through the inside of extension board (1) and extend to the inside of second negative pressure pipe (12), second connecting pipe (26) run through L type backup pad (21) and extend to the inside of last line scissors air door (28).

6. The negative pressure yarn suction mechanism for the bobbin winder yarn inserting robot as claimed in claim 1, wherein: the inner part of one side of the second negative pressure pipe (12) is communicated with an air blowing pipe (13), and the outer side of the air blowing pipe (13) is movably provided with a movable cover (14).

7. The negative pressure yarn suction mechanism for the bobbin winder yarn inserting robot as claimed in claim 1, wherein: the third connecting pipe (30) penetrates through the movable seat (22) and extends to the interior of the offline scissors air door (29).

8. The negative pressure yarn suction mechanism for the bobbin winder yarn inserting robot as claimed in claim 1, wherein: the bottom intercommunication of going up line scissors air door (28) and off-line scissors air door (29) has U type pipe (20), the inlet end intercommunication of U type pipe (20) one side has communicating pipe (18), the inlet end intercommunication of communicating pipe (18) has outer connecting pipe (19).

9. The negative pressure yarn suction mechanism for the bobbin winder yarn inserting robot as claimed in claim 1, wherein: the inside movable mounting of yarn pedestal (23) is decided to the spool has spool seat brush (32), the inside movable mounting of yarn pedestal (23) is decided to the spool has spool seat otter board (33).

10. The negative pressure yarn suction mechanism for the bobbin winder yarn inserting robot as claimed in claim 1, wherein: the outside movable mounting of the bottom of lift cylinder (25) has ring cover (24), the inside of ring cover (24) one end articulates there is pivot (34), pivot (34) run through the inside in L type backup pad (21) one side, the inside of ring cover (24) other end articulates there is articulated bolt (27), the outside of articulated bolt (27) articulates the inside in L type backup pad (21) one side.

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