CN219098319U

CN219098319U - Rotary pay-off rack for disc type cabling machine adopting synchronous belt transmission

Info

Publication number: CN219098319U
Application number: CN202223345809.7U
Authority: CN
Inventors: 徐建
Original assignee: Hefei Smarter Technology Group Corp
Current assignee: Hefei Smarter Technology Group Corp
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-05-30
Anticipated expiration: 2032-12-10

Abstract

The utility model discloses a rotary pay-off rack for a disc-type cabling machine, which adopts synchronous belt transmission and comprises a driving machine case, wherein two groups of driving shaft seats are fixedly arranged on the upper part of the driving machine case, and driving shafts are rotatably arranged on the two groups of driving shaft seats; one end of the driving shaft extends out of the driving case and is fixedly connected with a pay-off rack body, and a pay-off support used for installing a wire coil rack is arranged on the pay-off rack body; the driving machine box is provided with a driving motor, the output end of the driving motor is fixedly connected with a motor shaft, the motor shaft is in transmission connection with the driving shaft through a synchronous belt mechanism, and the synchronous belt mechanism is used for reducing the output rotating speed of the driving motor; the tensioning mechanism is arranged on the driving machine case and used for adjusting the tension of the synchronous belt mechanism; according to the utility model, the synchronous belt mechanism is arranged to realize the secondary speed reduction of the output rotating speed of the driving motor, so that the rotating speed of the driving shaft can meet the requirement of normal paying-off.

Description

Rotary pay-off rack for disc type cabling machine adopting synchronous belt transmission

Technical Field

The utility model relates to the technical field of paying-off of a disc type cabling machine, in particular to a rotary pay-off rack for the disc type cabling machine driven by a synchronous belt.

Background

The disc caterpillar traction type cabling machine is one of the most general type equipment in the wire and cable industry, and is mainly used for twisting large-section and long-length power cables and pretwisted fan-shaped wires to form cables, and non-metal tape wrapping and steel wire and steel tape armor of the cables, and a rotary pay-off frame is particularly important as a pay-off part of the disc caterpillar traction type cabling machine.

The application number is: 201120292846.9A Chinese patent discloses a wire rope rotary pay-off rack which comprises a cycloidal pin wheel motor, a basket frame, an I-shaped wheel, a supporting seat and a base, wherein the cycloidal pin wheel motor is arranged above the base, the cycloidal pin wheel motor is arranged on one side of the basket frame, and the other side of the basket frame is arranged on the supporting seat; the spool is arranged on the basket frame, the motor is directly driven to drive the pay-off frame, the motor is directly driven to lead to the pay-off frame to rotate at a higher speed, production requirements cannot be met, the synchronous belt is adopted to adjust the pay-off rotating speed in the prior art, however, the synchronous belt mechanism loosens due to abrasion in the working process, and therefore a mechanism is required to be designed to adjust the synchronous belt mechanism, proper tension of the synchronous belt is ensured to be kept in the conveying process, and accordingly the synchronism of synchronous belt transmission is improved.

Disclosure of Invention

The utility model aims to provide a rotary pay-off rack for a disc-type cable-former adopting synchronous belt transmission, which solves the problem that the tension degree of the existing synchronous belt transmission mechanism is inconvenient to adjust.

The aim of the utility model can be achieved by the following technical scheme:

the rotary pay-off rack for the disc-type cabling machine adopts a synchronous belt for transmission and comprises a driving machine case, wherein two groups of driving shaft seats are fixedly arranged at the upper part of the driving machine case, and driving shafts are rotatably arranged on the two groups of driving shaft seats; one end of the driving shaft extends out of the driving case and is fixedly connected with a pay-off rack body, and a pay-off support used for installing a wire coil rack is arranged on the pay-off rack body;

the driving machine box is provided with a driving motor, the output end of the driving motor is fixedly connected with a motor shaft, the motor shaft is in transmission connection with the driving shaft through a synchronous belt mechanism, and the synchronous belt mechanism is used for reducing the output rotating speed of the driving motor;

and the tensioning mechanism is arranged on the driving case and used for adjusting the tension of the synchronous belt mechanism.

As a further scheme of the utility model: the upper end of the driving machine case is provided with an organic case cover, the case cover covers the upper side of the driving shaft, and the case cover is fixedly arranged on the driving machine case through bolts.

As a further scheme of the utility model: the synchronous belt mechanism comprises a first belt wheel fixedly arranged on a motor shaft, a driving shaft is fixedly provided with a fourth belt wheel, and the fourth belt wheel is in transmission connection with the first belt wheel through a synchronous belt.

As a further scheme of the utility model: the synchronous belt mechanism comprises a transmission shaft rotatably arranged on the driving machine case, and a second belt pulley and a third belt pulley are fixedly arranged on the transmission shaft; the first belt wheel and the second belt wheel are connected through a first belt; the third belt pulley and the fourth belt pulley are in transmission connection through a second belt.

As a further scheme of the utility model: the first belt pulley, the second belt pulley, the third belt pulley and the fourth belt pulley are axially fixed and connected by adopting expansion sleeves.

As a further scheme of the utility model: the tensioning mechanism comprises a tensioning seat plate, the tensioning seat plate is a square plate, waist-shaped holes are formed in four corners of the tensioning seat plate, the tensioning seat plate is installed on a driving machine case through fixing bolts, a bearing sleeve is fixedly arranged at the center of the tensioning seat plate, and the transmission shaft is installed on the bearing sleeve through bearing rotation.

As a further scheme of the utility model: the tensioning mechanism further comprises two groups of adjusting seats, the adjusting seats are fixedly mounted on the driving machine case through bolts, the two groups of adjusting seats are respectively located on the outer sides of adjacent sides of the tensioning seat plate, and adjusting screws are connected to the adjusting seats in a threaded mode.

The utility model has the beneficial effects that:

(1) The synchronous belt mechanism is arranged to realize the secondary speed reduction of the output rotating speed of the driving motor, so that the rotating speed of the driving shaft can meet the requirement of normal paying-off.

(2) The adjustment of the position of the tensioning seat plate is realized by adjusting the relative position of the waist-shaped hole and the fixing bolt, and the fixing bolt is locked after the position adjustment of the tensioning seat plate is completed, so that the transmission shaft is ensured to be stable in transmission.

(3) In order to conveniently adjust the position of the tensioning seat plate, the adjustment of the position of the tensioning seat plate is realized by matching the adjusting seat with the adjusting screw, and the screw thread type driving can enable the adjustment precision to be higher.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of the whole structure of the present utility model;

FIG. 2 is a schematic diagram of the overall front view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at B in FIG. 2;

FIG. 4 is a schematic diagram of the internal structure of the drive chassis of the present utility model;

FIG. 5 is a schematic view of the cross-sectional structure of the utility model in the direction A-A of FIG. 4.

In the figure: 1. a drive chassis; 2. a case cover; 3. driving the shaft seat; 4. a drive shaft; 5. a pay-off rack body; 6. paying-off support; 7. a driving motor; 8. a tensioning mechanism; 81. a bearing sleeve; 82. tensioning a seat plate; 83. a waist-shaped hole; 84. a fixing bolt; 85. an adjusting seat; 86. adjusting a screw; 9. a motor shaft; 10. a first pulley; 11. a first belt; 12. a second pulley; 13. a transmission shaft; 14. a third pulley; 15. a second belt; 16. a fourth pulley; 17. and (5) expanding the sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model discloses a rotary pay-off rack for a disc-type cabling machine, which adopts synchronous belt transmission, and comprises a driving machine case 1 for mounting a driving motor 7, wherein two groups of driving shaft seats 3 are fixedly mounted on the upper part of the driving machine case 1, and driving shafts 4 are rotatably mounted on the two groups of driving shaft seats 3; one end of the driving shaft 4 extends out of the driving case 1 and is fixedly connected with a pay-off support body 5, a pay-off support 6 for installing a wire coil rack is arranged on the pay-off support body 5, the driving shaft 4 is driven to rotate through a synchronous belt mechanism by a driving motor 7, and the driving shaft 4 drives the pay-off support body 5 to rotate, so that the wire coil rack is rotatably paid off.

The upper end of the driving machine box 1 is provided with an organic box cover 2, the box cover 2 covers over the driving shaft 4, the box cover 2 is fixedly arranged on the driving machine box 1 through bolts, and the inner structure of the driving machine box 1 can be overhauled and maintained by taking down the box cover 2.

If the driving motor 7 is used to directly drive the driving shaft 4, the output rotation speed of the driving motor 7 is too fast to be suitable for paying out, so that the output rotation speed of the driving motor 7 needs to be adjusted so that the rotation speed of the driving shaft 4 meets the requirement for paying out.

A first belt pulley 10 is fixedly arranged on a motor shaft 9 of the driving motor 7, a transmission shaft 13 is rotatably arranged in the driving machine case 1, a second belt pulley 12 and a third belt pulley 14 are fixedly arranged on the transmission shaft 13, and a fourth belt pulley 16 is fixedly arranged on the driving shaft 4.

Wherein the first belt pulley 10 and the second belt pulley 12 are connected through a first belt 11, the diameter of the first belt pulley 10 is smaller than that of the second belt pulley 12, and the rotation speed of the motor shaft 9 is reduced for the first stage through the transmission connection of the first belt 11; the third belt pulley 14 and the fourth belt pulley 16 are in transmission connection through the second belt 15, the diameter of the third belt pulley 14 is smaller than that of the fourth belt pulley 16 and the second belt pulley 12, and the rotating speed of the transmission shaft 13 is further reduced through belt transmission, so that the rotating speed of the driving shaft 4 is reduced in a second-stage manner compared with that of the motor shaft 9, and the rotating speed of the driving shaft 4 can meet the paying-off requirement.

And the first belt 11 and the second belt 15 both adopt imported high-strength synchronous belts, so that the number of teeth of small belt wheels of the first belt wheel 10 and the third belt wheel 14 is reduced, the structure is more compact, the transmission power of the synchronous belts is ensured, and the reduction ratio is ensured.

The first band pulley 10, the second band pulley 12, third band pulley 14 and fourth band pulley 16 all install on the axostylus axostyle, adopt the cooperation of keyway and key to realize fixed location between traditional band pulley and the axostylus axostyle, but the fixed band pulley of mode of this kind of keyway just can not dismantle after the band pulley is installed, will lead to the cooperation between key and the keyway to change once dismantling, thereby influence belt drive's synchronism and precision, in order to solve this problem, this application band pulley axial fixity adopts the cover that rises 17 to realize, the flange that rises the cover 17 adopts can dismantle the bolt structure, make things convenient for the hold-in range dismouting, the maintenance of being convenient for.

The output rotating speed of the driving motor 7 is adjusted through the structure of the transmission shaft 13 and the belt transmission, the transmission synchronism of the synchronous belt mechanism needs to ensure the tension of the belt, and the synchronous belt mechanism can be worn during operation, so that the position of the transmission shaft 13 needs to be adjusted to ensure that the belt keeps better tension.

The driving case 1 is provided with a tensioning mechanism 8, a transmission shaft 13 is rotatably arranged on the tensioning mechanism 8, and the position of the transmission shaft 13 is adjusted through the tensioning mechanism 8, so that the tension degree of a belt is adjusted.

The tensioning mechanism 8 comprises a tensioning seat plate 82, the tensioning seat plate 82 is a square plate, waist-shaped holes 83 are formed in four corners of the tensioning seat plate 82, four waist-shaped holes 83 are formed in the horizontal surface of the tensioning seat plate 82, the tensioning seat plate 82 is installed on the driving machine case 1 through fixing bolts 84, the fixing bolts 84 penetrate through the waist-shaped holes 83 to be connected with threaded holes in the driving machine case 1, a bearing sleeve 81 is fixedly arranged in the center of the tensioning seat plate 82, and a transmission shaft 13 is installed on the bearing sleeve 81 in a rotating mode through a bearing. When the position of the transmission shaft 13 needs to be adjusted, the fixing bolt 84 is loosened to lock the tensioning seat plate 82, the position of the tensioning seat plate 82 is adjusted by adjusting the relative positions of the waist-shaped holes 83 and the fixing bolt 84, and the fixing bolt 84 is locked after the position adjustment of the tensioning seat plate 82 is completed, so that the transmission shaft 13 is ensured to be stable in transmission.

In order to conveniently adjust the position of the tensioning seat plate 82, the tensioning mechanism 8 further comprises two groups of adjusting seats 85, the adjusting seats 85 are fixedly mounted on the driving case 1 through bolts, the two groups of adjusting seats 85 are respectively located on the outer sides of adjacent sides of the tensioning seat plate 82, adjusting screws 86 are connected to the adjusting seats 85 in a threaded mode, and the ends of the adjusting screws 86 are connected with the side edges of the tensioning seat plate 82 in a rotating mode.

The working principle of the utility model is as follows: the driving shaft 4 is installed on the driving case 1 through the driving shaft seat 3, the pay-off frame body 5 is fixedly arranged at the end part of the driving shaft 4, a wire coil frame needing pay-off treatment is installed on the pay-off support 6, the driving motor 7 drives the motor shaft 9 to rotate, the motor shaft 9 drives the first belt pulley 10 to rotate, the first belt 11 drives the second belt pulley 12 and the driving shaft 13 to rotate, the driving shaft 13 drives the third belt pulley 14 to rotate, the second belt 15 drives the fourth belt pulley 16 and the driving shaft 4 to rotate, and therefore rotary driving of the pay-off frame body 5 and the wire coil frame is achieved, and rotary pay-off of the wire coil frame is achieved.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The rotary pay-off rack is used for a disc-type cabling machine and driven by a synchronous belt, and is characterized by comprising a driving machine case (1), wherein two groups of driving shaft seats (3) are fixedly arranged at the upper part of the driving machine case (1), and driving shafts (4) are rotatably arranged on the two groups of driving shaft seats (3); one end of the driving shaft (4) extends out of the driving machine case (1) and is fixedly connected with a pay-off rack body (5), and a pay-off support (6) for installing a wire coil rack is arranged on the pay-off rack body (5);

the driving machine box (1) is provided with a driving motor (7), the output end of the driving motor (7) is fixedly connected with a motor shaft (9), the motor shaft (9) is in transmission connection with the driving shaft (4) through a synchronous belt mechanism, and the synchronous belt mechanism is used for reducing the output rotating speed of the driving motor (7);

the driving machine box (1) is provided with a tensioning mechanism (8), and the tensioning mechanism (8) is used for adjusting the tension of the synchronous belt mechanism.

2. The rotary pay-off rack for a disc cable-former adopting synchronous belt transmission according to claim 1, wherein the upper end of the driving chassis (1) is provided with a chassis cover (2), the chassis cover (2) covers over the driving shaft (4), and the chassis cover (2) is fixedly arranged on the driving chassis (1) through bolts.

3. A rotary pay-off rack for a disc cabling machine employing a synchronous belt drive according to claim 1, characterized in that the synchronous belt mechanism comprises a first pulley (10) fixedly mounted on a motor shaft (9), the drive shaft (4) is fixedly mounted with a fourth pulley (16), the fourth pulley (16) being in driving connection with the first pulley (10) via a synchronous belt.

4. A rotary pay-off rack for a disc-type cabling machine employing a synchronous belt drive according to claim 3, characterized in that the synchronous belt mechanism comprises a drive shaft (13) rotatably mounted on the drive housing (1), the drive shaft (13) being fixedly mounted with a second pulley (12) and a third pulley (14); the first belt wheel (10) and the second belt wheel (12) are connected through a first belt (11); the third belt wheel (14) and the fourth belt wheel (16) are in transmission connection through a second belt (15).

5. A rotary pay-off rack for a disc-type cabling machine employing a synchronous belt drive according to claim 4, wherein the first pulley (10), the second pulley (12), the third pulley (14) and the fourth pulley (16) are axially fixed and connected by an expansion sleeve (17).

6. The rotary pay-off rack for a disc-type cabling machine adopting synchronous belt transmission according to claim 4, characterized in that the tensioning mechanism (8) comprises a tensioning seat plate (82), the tensioning seat plate (82) is a square plate, waist-shaped holes (83) are formed in four corners of the tensioning seat plate (82), the tensioning seat plate (82) is installed on the driving machine case (1) through fixing bolts (84), a bearing sleeve (81) is fixedly arranged in the central position of the tensioning seat plate (82), and the transmission shaft (13) is installed on the bearing sleeve (81) through bearing rotation.

7. The rotary pay-off rack for a disc-type cabling machine adopting synchronous belt transmission according to claim 6, wherein the tensioning mechanism (8) further comprises two groups of adjusting seats (85), the adjusting seats (85) are fixedly mounted on the driving machine case (1) through bolts, the two groups of adjusting seats (85) are respectively located on the outer sides of adjacent sides of the tensioning seat plate (82), and the adjusting seats (85) are in threaded connection with adjusting screws (86).