CN209909107U

CN209909107U - Yarn feeding gearbox

Info

Publication number: CN209909107U
Application number: CN201920862142.7U
Authority: CN
Inventors: 许捷兴
Original assignee: QUANZHOU BUSHUO MACHINERY CO Ltd
Current assignee: QUANZHOU BUSHUO MACHINERY CO Ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-01-07
Anticipated expiration: 2029-06-10

Abstract

The utility model discloses a yarn feeding gearbox relates to circular weft knitting machine technical field, this yarn feeding gearbox, including main shaft, box and hold-in range, the hold-in range is located the inside of box, the bottom fixedly connected with connecting piece of box, the quantity of connecting piece is two, the inner wall of connecting piece and the surface swing joint of screw rod, the surface of screw rod respectively with the inner wall threaded connection of nut and internal thread pipe, the nut is located between internal thread pipe and the connecting piece, the nut is close to the one side of internal thread pipe and the surface swing joint of internal thread pipe, the fixed surface of screw rod is connected with the movable rod. The utility model discloses a set up internal thread pipe, screw rod, movable rod and gyro wheel, solved present common yarn gearbox that send when using, the hold-in range is long-time after using, appears becoming flexible between hold-in range and the initiative synchronous pulley and the driven synchronization to lead to the unstable problem of hold-in range transmission power.

Description

Yarn feeding gearbox

Technical Field

The utility model relates to a circular knitting machine technical field specifically is a yarn feeding gearbox.

Background

The yarn feeding gearbox is one of the components of the yarn feeding mechanism of the circular weft knitting machine, the yarn feeding mechanism of the circular weft knitting machine mainly comprises a creel, a yarn storage device, a yarn feeding nozzle, a gearbox, a yarn feeding disc, a yarn ring bracket and the like, a driving synchronous pulley is fixedly sleeved on a main shaft, a driven synchronous pulley is fixedly sleeved on a yarn feeding shaft, a synchronous belt is sleeved on the surfaces of the driving synchronous pulley and the driven synchronous pulley to play a role in power transmission, power transmitted by the main shaft is transmitted to the yarn feeding shaft through the synchronous belt, and the driving synchronous pulley, the driven synchronous pulley and the synchronous belt are all located inside the gearbox.

At present common yarn feeding gearbox when using, the power that the main shaft transmitted transmits to the yarn feeding shaft through the hold-in range on, tooth and the tooth meshing on drive synchronous pulley and the driven synchronization on the hold-in range, and drive synchronous pulley is high-speed rotatory, and the hold-in range is after long-time the use, and hold-in range length increases, appears becoming flexible between hold-in range and drive synchronous pulley and the driven synchronization to lead to the transmission power of hold-in range not steady.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a send yarn gearbox has solved present common send yarn gearbox when using, and the hold-in range is after long-time the use, appears becoming flexible between hold-in range and the initiative synchronous pulley and the driven synchronization to lead to the unstable problem of hold-in range transmission power.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a yarn feeding gearbox comprises a main shaft, a box body and a synchronous belt, wherein the synchronous belt is positioned inside the box body, the bottom of the box body is fixedly connected with two connecting pieces, the number of the connecting pieces is two, the inner wall of each connecting piece is movably connected with the surface of a screw rod, the surface of each screw rod is respectively in threaded connection with a nut and the inner wall of an inner threaded pipe, the nut is positioned between the inner threaded pipe and the connecting piece, one side, close to the inner threaded pipe, of the nut is movably connected with the surface of the inner threaded pipe, the surface of the screw rod is fixedly connected with a movable rod, one end, close to the synchronous belt, of the movable rod penetrates through the box body and extends into the box body, the surface of the movable rod is fixedly connected with a round rod, the round rod is positioned inside the box body, the surface of the round rod is movably sleeved with a roller, the surface, the lead to groove is located the top of movable rod, there is the square plate in the front of box through cylindric lock swing joint, the back fixedly connected with of square plate fills up, the sealed surface of filling up and the inner wall swing joint of recess, the front fixedly connected with L-shaped piece of box, one side that the L-shaped piece is close to the square plate is connected with the surface swing joint of square plate.

Preferably, the movable rod includes horizontal pole and montant, the quantity of horizontal pole and montant is two, and two montants are located the front and the back of box respectively, the top of montant is connected with the fixed surface of horizontal pole, the one end that the horizontal pole is close to the hold-in range runs through the box and extends to the inside of box, round bar fixed connection is on the surface of horizontal pole.

Preferably, the box body is inlaid with a linear bearing at a position corresponding to the surface of the cross rod, the linear bearing is positioned below the through groove, and the inner wall of the linear bearing is movably connected with the surface of the cross rod.

Preferably, the surface of the round rod is fixedly sleeved with a ball bearing, and the roller is fixedly sleeved on the outer wall of the ball bearing.

Preferably, the inner wall of the groove is a curved surface, and the shape of the sealing gasket is matched with that of the groove.

(III) advantageous effects

The utility model provides a yarn feeding gearbox possesses following beneficial effect:

the utility model discloses a set up the internal thread pipe, the screw rod, movable rod and gyro wheel, when using, rotate the internal thread pipe, internal thread pipe and two screw rod threaded connection, the internal thread pipe rotates and drives two movable rod motion in opposite directions through two screw rods, make gyro wheel extrusion hold-in range, take-up to the hold-in range, make hold-in range and initiative synchronous pulley and driven synchronous pulley closely laminate, only need to rotate the internal thread pipe, make two movable rod motion in opposite directions, drive gyro wheel extrusion hold-in range, make hold-in range and initiative synchronous pulley and driven synchronous pulley closely laminate, the more steady effect of hold-in range transmission power has been reached, the current common yarn gearbox that send is solved is when using, the hold-in range is after long-time the use, appear becoming flexible between hold-in range and initiative synchronous pulley and the driven synchronization, thereby lead.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the structure of the position of the movable rod of the present invention;

FIG. 3 is a front sectional view of the position of the internal threaded tube of the present invention;

FIG. 4 is a left sectional view of the position of the internal threaded tube of the present invention;

FIG. 5 is an enlarged view of the structure A in FIG. 4 according to the present invention;

fig. 6 is a left sectional view of the L-shaped block of the present invention.

In the figure: 1. a main shaft; 2. a box body; 3. a synchronous belt; 4. a connecting member; 5. a screw; 6. a nut; 7. an internally threaded tube; 8. a movable rod; 801. a cross bar; 802. a vertical rod; 9. a round bar; 10. a roller; 11. a through groove; 12. a groove; 13. a square plate; 14. a gasket; 15. an L-shaped block; 16. a linear bearing; 17. ball bearings.

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.

As shown in fig. 1-6, the utility model provides a technical solution: a yarn feeding gearbox comprises a main shaft 1, a box body 2 and a synchronous belt 3, wherein a driving synchronous belt wheel is fixedly sleeved on the main shaft 1, a driven synchronous belt wheel is fixedly sleeved on a yarn feeding shaft, the yarn feeding shaft is positioned on the right side of the main shaft 1, the synchronous belt 3 is sleeved on the driving synchronous belt wheel and the driven synchronous belt wheel, power transmitted by the main shaft 1 is transmitted to the yarn feeding shaft through the synchronous belt 3, the synchronous belt 3 is positioned in the box body 2, a connecting piece 4 is fixedly connected to the bottom of the box body 2, the connecting piece 4 comprises a square rod and a circular groove, the inner wall of the circular groove is movably connected with the surface of a screw rod 5, the square rod is fixed to the bottom of the box body 2, the screw rod 5 can only move along the inner wall of the circular groove on the connecting piece 4 through the connecting piece 4, the number of the connecting pieces 4 is two, the inner wall of the connecting piece 4 is movably, the nut 6 is positioned between the internal thread pipe 7 and the connecting piece 4, one side of the nut 6 close to the internal thread pipe 7 is movably connected with the surface of the internal thread pipe 7, the surface of the screw rod 5 is fixedly connected with a movable rod 8, one end of the movable rod 8 close to the synchronous belt 3 penetrates through the box body 2 and extends into the box body 2, the surface of the movable rod 8 is fixedly connected with a round rod 9, the round rod 9 is positioned in the box body 2, a roller 10 is movably sleeved on the surface of the round rod 9, the surface of the roller 10 is movably connected with the surface of the synchronous belt 3, the front of the box body 2 is respectively provided with a through groove 11 and a groove 12, the through groove 11 is positioned above the movable rod 8, the front of the box body 2 is movably connected with a square plate 13 through a cylindrical pin, the cylindrical pin is fixedly connected on the front of the box body 2, the square plate 13 is movably sleeved on the surface of the, the surface of the sealing gasket 14 is movably connected with the inner wall of the groove 12, the front surface of the box body 2 is fixedly connected with an L-shaped block 15, and one side of the L-shaped block 15, which is close to the square plate 13, is movably connected with the surface of the square plate 13.

As the utility model discloses a technical optimization scheme, movable rod 8 includes horizontal pole 801 and montant 802, the quantity of horizontal pole 801 and montant 802 is two, two montants 802 are located the front and the back of box 2 respectively, the top of montant 802 is connected with horizontal pole 801's fixed surface, horizontal pole 801 is close to the inside that box 2 and extend to box 2 is run through to the one end of hold-in

range

3, 9 fixed connection on horizontal pole 801's surface of round bar, two 8 relative motions of movable rod drive gyro wheel 10 extrusion hold-in range 3 through round bar 9, make hold-in range 3 closely laminate with initiative synchronous pulley and driven synchronous pulley, guarantee power transmission's stability.

As a technical optimization scheme of the utility model, box 2 corresponds horizontal pole 801 surface position department and inlays and have linear bearing 16, and linear bearing 16 is located the below that leads to groove 11, and linear bearing 16's inner wall and horizontal pole 801's surface swing joint reduce the frictional force between horizontal pole 801 and the box 2.

As a technical optimization scheme of the utility model, the fixed ball bearing 17 that has cup jointed in surface of round bar 9, gyro wheel 10 are fixed cup joints at ball bearing 17's outer wall, reduce the frictional force between gyro wheel 10 and the round bar 9.

As a technical optimization scheme of the utility model, the inner wall of recess 12 is the curved surface, and the shape of sealed 14 and the shape looks adaptation of recess 12 increase the area of contact of sealed 14 and recess 12 to increase the sealing capacity of sealed 14.

When the synchronous belt is used for a period of time, the square plate 13 is rotated, the square plate 13 rotates by taking the cylindrical pin as a circle center, the wrench is used for rotating the internal thread pipe 7, the internal thread pipe 7 is in threaded connection with the two screw rods 5, the two screw rods 5 move oppositely along the inner wall of the connecting piece 4, the two screw rods 5 respectively drive the two movable rods 8 to move oppositely along the inner wall of the linear bearing 16, the movable rods 8 drive the round rods 9 to move oppositely, the rollers 10 are movably sleeved on the round rods 9, the two rollers 10 move oppositely, the rollers 10 press the synchronous belt 3, the synchronous belt 3 is tensioned, the synchronous belt 3 is tightly attached to the driving synchronous belt pulley and the driven synchronous belt pulley, a hand extends into the box body 2 from the through groove 11 of the box body 2, the fingers press the synchronous belt 3, when the synchronous belt 3 is tightly attached to the driving synchronous belt pulley and the driven synchronous belt pulley, the square plate 13 is, inclined plane extrusion square plate 13 on the L-shaped piece 15 on the inclined plane, make sealed 14 and the inseparable laminating of recess 12 inner wall, 11 positions to leading to the groove seal, use the spanner to fix internal thread pipe 7, reuse the spanner and rotate nut 6, make nut 6 and internal thread pipe 7 closely laminate, fix screw rod 5, prevent that screw rod 5 from rotating at will, ball bearing 17 reduces the frictional force between gyro wheel 10 and the round bar 9, only need rotate internal thread pipe 7, make two movable rods 8 move in opposite directions, drive gyro wheel 10 extrusion hold-in range 3, make hold-in range 3 closely laminate with initiative synchronous pulley and driven synchronous pulley, the more steady effect of hold-in range 3 transmission power has been reached.

To sum up can, the utility model discloses a set up internal thread pipe 7, screw rod 5, movable rod 8 and gyro wheel 10, solved present common yarn feeding gearbox when using, hold-in range 3 is long-time after using, appears becoming flexible between hold-in range 3 and the driving synchronous pulley and the driven synchronization to lead to the unstable problem of hold-in range 3 transmission power.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a yarn feeding gearbox, includes main shaft (1), box (2) and hold-in range (3), hold-in range (3) are located the inside of box (2), its characterized in that: the bottom fixedly connected with connecting piece (4) of box (2), the quantity of connecting piece (4) is two, the inner wall of connecting piece (4) and the surperficial swing joint of screw rod (5), the surface of screw rod (5) respectively with the inner wall threaded connection of nut (6) and internal thread pipe (7), nut (6) are located between internal thread pipe (7) and connecting piece (4), nut (6) are close to the surperficial swing joint of one side and internal thread pipe (7) of internal thread pipe (7), the fixed surface of screw rod (5) is connected with movable rod (8), the one end that movable rod (8) are close to hold-in range (3) runs through box (2) and extends to the inside of box (2), the fixed surface of movable rod (8) is connected with round bar (9), round bar (9) are located the inside of box (2), gyro wheel (10) have been cup jointed in the surface activity of round bar (9), the surface of gyro wheel (10) and the surface swing joint of hold-in range (3), logical groove (11) and recess (12) have been seted up respectively in the front of box (2), it is located the top of movable rod (8) to lead to groove (11), there is square plate (13) in the front of box (2) through cylindric lock swing joint, the sealed pad (14) of back fixedly connected with of square plate (13), the surface of sealed pad (14) and the inner wall swing joint of recess (12), the front fixedly connected with L shape piece (15) of box (2), one side that L shape piece (15) are close to square plate (13) and the surface swing joint of square plate (13).

2. The yarn feeding gearbox as claimed in claim 1, wherein: the utility model discloses a synchronous belt (3) of movable rod (8) including horizontal pole (801) and montant (802), the quantity of horizontal pole (801) and montant (802) is two, and two montants (802) are located the front and the back of box (2) respectively, the top of montant (802) is connected with the fixed surface of horizontal pole (801), the one end that horizontal pole (801) are close to synchronous belt (3) runs through box (2) and extends to the inside of box (2), round bar (9) fixed connection is on the surface of horizontal pole (801).

3. The yarn feeding gearbox as claimed in claim 2, wherein: linear bearing (16) are inlaid at the position, corresponding to the surface of the cross rod (801), of the box body (2), the linear bearing (16) is located below the through groove (11), and the inner wall of the linear bearing (16) is movably connected with the surface of the cross rod (801).

4. The yarn feeding gearbox as claimed in claim 1, wherein: the surface of the round rod (9) is fixedly sleeved with a ball bearing (17), and the roller (10) is fixedly sleeved on the outer wall of the ball bearing (17).

5. The yarn feeding gearbox as claimed in claim 1, wherein: the inner wall of the groove (12) is a curved surface, and the shape of the sealing gasket (14) is matched with that of the groove (12).