CN210778042U

CN210778042U - Vertical back-twist device

Info

Publication number: CN210778042U
Application number: CN201921888269.2U
Authority: CN
Inventors: 庄耀霆
Original assignee: SUZHOU CHAOLONG MACHINERY CO Ltd
Current assignee: SUZHOU CHAOLONG MACHINERY CO Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-16
Anticipated expiration: 2029-11-05

Abstract

The utility model relates to a vertical back-twist device, which comprises a base, the U-shaped frame, the drawing drum, the transmission shaft, locking Assembly and speed adjusting device, the lower terminal surface fixedly connected with pivot on chassis, the up end on chassis is fixed to the U-shaped frame and a blowing chamber is formed, the top of U-shaped frame is equipped with the spool, the drawing drum sets up in the blowing intracavity, its both sides all are equipped with shaft hole and jack, the both sides of U-shaped frame are arranged in to transmission shaft and locking Assembly branch, its one end is equipped with first conical head, be equipped with the inserted bar on the first conical head, speed adjusting device installs the top at the U-shaped frame, speed adjusting device passes through the rotation of transmission shaft drive drawing drum, locking Assembly includes the ejector pin, second conical head, the axle sleeve, lock nut and. In the vertical back-twist device, the pay-off reel is convenient to assemble and disassemble, the assembly time can be effectively saved, and the production efficiency is improved; the paying-off speed can be matched with the continuous adjustment of the tension of the wire rod to carry out stable and accurate paying-off, and the production quality of the cable is ensured.

Description

Vertical back-twist device

Technical Field

The utility model relates to a cable production technical field, in particular to vertical back-twist device.

Background

When a plurality of strands of wires are twisted into a strand, the wires rotating in one direction easily cause the strand to generate a stress twisting in the other direction, so that the wires are subjected to self-twisting, the quality of the strand is affected, and a untwisting device is needed to eliminate the twisting stress on the wires. The existing back-twist device has some defects in use, such as troublesome assembly and disassembly of a pay-off reel, and greatly influences the production efficiency. In addition, the paying-off speed cannot be flexibly adjusted to adapt to the tension change of the wire during the back twist, and the production quality of the cable is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in order to overcome the defects of the prior art, a vertical type untwisting device is provided.

In order to achieve the above technical effect, the utility model discloses a technical scheme is: a vertical back-twist device, which comprises a chassis, a U-shaped frame, a pay-off reel, a transmission shaft, a locking component and a speed regulating device, the lower end surface of the chassis is fixedly connected with a rotating shaft, the U-shaped frame is fixed on the upper end surface of the chassis and forms a discharging cavity, the top end of the U-shaped frame is provided with a thread spool, the thread spool is provided with a thread hole which penetrates along the up-down direction, the pay-off reel is arranged in the material placing cavity, the axis of the pay-off reel is vertical to the axis of the rotating shaft, both sides of the transmission shaft are provided with shaft holes and jacks, the transmission shaft and the locking component are respectively arranged on both sides of the U-shaped frame, the transmission shaft and the pay-off reel are coaxially arranged, one end of the wire releasing disc is provided with a first conical head, the first conical head is provided with an inserting rod, the first conical head and the inserting rod are respectively inserted into a shaft hole and an inserting hole on one side of the wire releasing disc, the speed regulating device is arranged at the top of the U-shaped frame and drives the pay-off reel to rotate through the transmission shaft;

the locking assembly comprises an ejector rod, a second conical head, a shaft sleeve, a locking nut and a locking screw, the ejector rod and the pay-off reel are coaxially arranged, a handle is arranged at one end of the ejector rod, the other end of the ejector rod is connected with the second conical head through a bearing, the second conical head is inserted into a shaft hole in the other side of the pay-off reel, the shaft sleeve is sleeved on the ejector rod and fixedly connected with the U-shaped frame, a through hole is formed in the outer peripheral surface of the shaft sleeve, at least part of the locking screw is contained in the through hole, the locking screw is perpendicular to the outer peripheral surface of the ejector rod, the locking nut is fixed on the.

Preferably, the speed adjusting device comprises a servo motor, a driving wheel, a driven wheel and a synchronous belt, the servo motor is fixed to the top of the U-shaped frame through a connecting seat, the driving wheel and the driven wheel are respectively sleeved on the servo motor and the transmission shaft, and the driving wheel is in transmission connection with the driven wheel through the synchronous belt. After servo motor starts, the action wheel passes through the hold-in range drive from the driving wheel rotation, and through adjusting servo motor's rotational speed, can change the rotational speed of drawing drum for the tension change of unwrapping wire speed cooperation wire rod constantly adjusts, carries out steady accurate unwrapping wire, guarantees the production quality of cable.

Preferably, the top of the U-shaped frame is also provided with a balancing weight, and the balancing weight and the servo motor are respectively arranged on two sides of the frame. The balancing weight can be used for balancing the gravity of the servo motor and ensuring the stability of the U-shaped frame during rotation.

Preferably, a guide wheel is further arranged above the pay-off reel, the guide wheel is located right below the spool, and the guide wheel is mounted at the top of the U-shaped frame through a fixing seat. The guide wheel can guide the wire rod released by the pay-off reel and lead the wire rod into the wire hole.

Preferably, the rotating shaft and the bobbin are both perpendicular to the chassis, and a flange plate is connected below the rotating shaft. The back-twist device is convenient to be connected with parts of other cable production equipment.

Preferably, the handle is provided with an anti-slip sleeve. The anti-slip sleeve can increase the friction force between the hand and the handle.

Compared with the prior art, the beneficial effects of the utility model are that: in the vertical back-twist device, the pay-off reel is convenient to assemble and disassemble, the assembly time can be effectively saved, and the production efficiency is improved; the paying-off speed can be continuously adjusted by matching with the tension of the wire rod, so that stable and accurate paying-off is carried out, and the production quality of the cable is ensured; simple and compact structure, and easy production and manufacture.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments, and it is obvious that the described embodiments are some embodiments, not all embodiments of the present invention.

Drawings

Fig. 1 is a schematic structural view of the vertical back-twist device of the present invention.

Fig. 2 is a rear view of fig. 1.

Fig. 3 is an enlarged view of a portion a of fig. 1.

The reference numbers and corresponding designations in the drawings are: 1. the automatic transmission device comprises a chassis, 2, a U-shaped frame, 3, a pay-off reel, 4, a transmission shaft, 5, a speed adjusting device, 6, a rotating shaft, 7, a spool, 8, a first conical head, 9, an insertion rod, 10, an ejector rod, 11, a second conical head, 12, a shaft sleeve, 13, a locking nut, 14, a locking screw, 15, a handle, 16, a bearing, 17, a balancing weight, 18, a guide wheel, 19, a fixed seat, 20, a flange plate, 301, a shaft hole, 302, a jack, 501, a servo motor, 502, a driving wheel, 503, a driven wheel, 504, a synchronous belt, 505, a connecting seat and 701, a wire hole.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1-3, a vertical back-twist device comprises a chassis 1, a U-shaped frame 2, a pay-off reel 3, a transmission shaft 4, a locking assembly and a speed adjusting device 5, wherein a rotating shaft 6 is fixedly connected to the lower end surface of the chassis 1, the U-shaped frame 2 is fixed to the upper end surface of the chassis 1 and forms a discharging cavity, the top end of the U-shaped frame 2 is provided with a bobbin 7, the bobbin 7 is provided with a through wire hole 701 along the up-down direction, the pay-off reel 3 is arranged in the discharging cavity, the axis of the pay-off reel 3 is perpendicular to the axis of the rotating shaft 6, both sides of the pay-off reel are provided with a shaft hole 301 and an insertion hole 302, the transmission shaft 4 and the locking assembly are respectively arranged at both sides of the U-shaped frame 2, the transmission shaft 4 and the pay-off reel 3 are coaxially arranged, one end of the transmission shaft is provided with a first conical head 8, the first conical head 8 is provided with an insertion rod 9, the speed regulating device 5 drives the pay-off reel 3 to rotate through the transmission shaft 4;

the locking assembly comprises an ejector rod 10, a second conical head 11, a shaft sleeve 12, a locking nut 13 and a locking screw 14, the ejector rod 10 and the pay-off reel 3 are coaxially arranged, one end of the ejector rod 10 is provided with a handle 15, the other end of the ejector rod is connected with the second conical head 11 through a bearing 16, the second conical head 11 is inserted into a shaft hole 301 on the other side of the pay-off reel 3, the shaft sleeve 12 is sleeved on the ejector rod 10, the shaft sleeve 12 is fixedly connected with the U-shaped frame 2, a through hole is formed in the outer peripheral surface of the shaft sleeve 12, at least part of the locking screw 14 is contained in the through hole, the locking screw 14 is perpendicular to the outer peripheral surface of the ejector rod 10, the locking nut.

The speed regulating device 5 comprises a servo motor 501, a driving wheel 502, a driven wheel 503 and a synchronous belt 504, the servo motor 501 is fixed on the top of the U-shaped frame 2 through a connecting seat 505, the driving wheel 502 and the driven wheel 503 are respectively sleeved on the servo motor 501 and the transmission shaft 4, and the driving wheel 502 is in transmission connection with the driven wheel 503 through the synchronous belt 504. After the servo motor 501 is started, the driving wheel 502 drives the driven wheel 503 to rotate through the synchronous belt 504, the rotating speed of the pay-off reel 3 can be changed by adjusting the rotating speed of the servo motor 501, the synchronous belt 504 is adopted, the noise is low, and the transmission is stable. The paying-off speed is controlled to be matched with the tension change of the wire rod to be adjusted continuously, stable and accurate paying-off is carried out, and the production quality of the cable is guaranteed.

The top of the U-shaped frame 2 is also provided with a balancing weight 17, and the balancing weight 17 and the servo motor 501 are respectively arranged at two sides of the frame. The counterweight 17 can be used for balancing the gravity of the servo motor 501, and the stability of the U-shaped frame 2 during rotation is ensured.

A guide wheel 18 is further arranged above the pay-off reel 3, the guide wheel 18 is located right below the spool 7, and the guide wheel 18 is installed on the top in the U-shaped frame 2 through a fixed seat 19. The guide wheel 18 guides the wire released from the payout reel 3 to be introduced into the wire hole 701.

The rotating shaft 6 and the bobbin 7 are both vertical to the chassis 1, and a flange plate 20 is connected below the rotating shaft 6. The back-twist device is convenient to be connected with parts of other cable production equipment.

The handle 15 is provided with an anti-slip sleeve. The slip-resistant cover increases the friction between the hand and the handle 15.

The implementation principle is as follows: during installation, a pay-off reel 3 to be untwisted is placed on the chassis 1, a shaft hole 301 and an inserting hole 302 on one side of the pay-off reel 3 are respectively inserted into the first conical head 8 and the inserting rod 9, the handle 15 is held, the second conical head 11 is inserted into the shaft hole 301 on the other side of the pay-off reel 3 through the ejector rod 10, the locking screw 14 is screwed, the ejector rod 10 is fixed under the action of the locking nut 13, installation of the pay-off reel 3 is completed, and rotation is not influenced when the pay-off reel 3 is fixed due to the bearing 16 arranged on the ejector rod 10. The wire on the pay-off reel 3 bypasses the guide wheel 18, penetrates out of the wire hole 701 of the spool 7 and is connected with other cable production equipment (not shown in the figure), and the other cable production equipment also has the function of detecting the tension of the wire. When the wire is untwisted, the rotating shaft 6 is driven by a driving device (not shown in the figure) to rotate on the flange plate 20, the driving chassis 1 rotates in the opposite direction of the twisted wire, and meanwhile, the servo motor 501 is started to drive the pay-off reel 3 to release the wire for untwisting under the action of the driving wheel 502, the driven wheel 503 and the synchronous belt 504. Through adjusting servo motor 501's rotational speed, can change drawing drum 3's rotational speed for the tension variation of unwrapping wire speed cooperation wire rod constantly adjusts, carries out steady accurate unwrapping wire, guarantees the production quality of cable. After the back twist is finished, the rotating shaft 6 and the servo motor 501 stop rotating, the locking screw 14 is unscrewed, the handle 15 is pulled outwards, the ejector rod 10 drives the second conical head 11 to move out from one side of the pay-off reel 3, and then the first conical head 8, the inserting rod 9 and the other side of the pay-off reel 3 are moved out to finish the disassembly.

The present invention is not limited to the above specific embodiments, and for those skilled in the art, the above conception can be used without any creative work, and all the changes made fall within the protection scope of the present invention.

Claims

1. The vertical type back-twist device is characterized by comprising a chassis (1), a U-shaped frame (2), a pay-off reel (3), a transmission shaft (4), a locking assembly and a speed regulating device (5), wherein a rotating shaft (6) is fixedly connected to the lower end face of the chassis (1), the U-shaped frame (2) is fixed to the upper end face of the chassis (1) and forms a material discharging cavity, a bobbin (7) is arranged at the top end of the U-shaped frame (2), a penetrating wire hole (701) is formed in the bobbin (7) in the up-down direction, the pay-off reel (3) is arranged in the material discharging cavity, the axis of the pay-off reel (3) is perpendicular to the axis of the rotating shaft (6), shaft holes (301) and insertion holes (302) are formed in two sides of the pay-off reel, the transmission shaft (4) and the locking assembly are respectively arranged on two sides of the U-shaped frame (2), the transmission shaft (4) and the pay, an inserting rod (9) is arranged on the first conical head (8), the first conical head (8) and the inserting rod (9) are respectively inserted into a shaft hole (301) and an inserting hole (302) on one side of the pay-off reel (3), the speed regulating device (5) is installed at the top of the U-shaped frame (2), and the speed regulating device (5) drives the pay-off reel (3) to rotate through the transmission shaft (4);

the locking component comprises a mandril (10), a second conical head (11), a shaft sleeve (12), a locking nut (13) and a locking screw (14), the ejector rod (10) and the pay-off reel (3) are coaxially arranged, one end of the ejector rod (10) is provided with a handle (15), the other end of the connecting rod is connected with a second conical head (11) through a bearing (16), the second conical head (11) is inserted into a shaft hole (301) on the other side of the pay-off reel (3), the shaft sleeve (12) is sleeved on the mandril (10), the shaft sleeve (12) is fixedly connected with the U-shaped frame (2), a through hole is arranged on the outer peripheral surface of the shaft sleeve (12), the locking screw (14) is at least partially accommodated in the through hole, the locking screw (14) is vertical to the outer peripheral surface of the ejector rod (10), the locking nut (13) is fixed on the shaft sleeve (12), and the locking nut (13) is in threaded connection with the locking screw (14).

2. The vertical type untwisting device as claimed in claim 1, wherein the speed adjusting device (5) comprises a servo motor (501), a driving wheel (502), a driven wheel (503) and a synchronous belt (504), the servo motor (501) is fixed on the top of the U-shaped frame (2) through a connecting seat (505), the driving wheel (502) and the driven wheel (503) are respectively sleeved on the servo motor (501) and the transmission shaft (4), and the driving wheel (502) is in transmission connection with the driven wheel (503) through the synchronous belt (504).

3. A vertical untwisting device according to claim 2, wherein a counterweight (17) is further arranged on the top of the U-shaped frame (2), and the counterweight (17) and the servo motor (501) are respectively arranged on two sides of the frame.

4. A vertical untwisting device according to claim 1, wherein a guide wheel (18) is further arranged above the pay-off reel (3), the guide wheel (18) is positioned right below the spool (7), and the guide wheel (18) is mounted on the top in the U-shaped frame (2) through a fixing seat (19).

5. A vertical untwisting device according to claim 1, wherein the rotating shaft (6) and the bobbin (7) are both perpendicular to the chassis (1), and a flange (20) is connected below the rotating shaft (6).

6. A vertical untwisting device according to claim 1, wherein the handle (15) is provided with an anti-slip cover.