CN111785453A

CN111785453A - Tension control device for cable extrusion molding

Info

Publication number: CN111785453A
Application number: CN202010812974.5A
Authority: CN
Inventors: 马洪辉; 李娟�; 毕远明; 郭德富; 田磊
Original assignee: Chongqing Taishan Cable Co Ltd
Current assignee: Chongqing Taishan Cable Co Ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2020-10-16

Abstract

The invention discloses a tension control device for cable extrusion molding, which comprises a pressing mechanism, wherein the pressing mechanism comprises a first roller and a second roller, first pressing belts are sleeved outside the first roller and the second roller, a third roller and a fourth roller are respectively arranged at corresponding positions below the first roller and the second roller, second pressing belts are sleeved outside the third roller and the fourth roller, and the distance between the first pressing belts and the second pressing belts is equal to the diameter of a cable. The invention ensures that the cable does not fall and bend and has constant tension in the process of extruding the coated object, and ensures the extrusion molding size uniformity of the product.

Description

Tension control device for cable extrusion molding

Technical Field

The invention relates to cable production auxiliary equipment, in particular to a tension control device for cable extrusion molding.

Background

In the production process of extruding and coating the electric wire and the electric cable, in order to prevent the extrusion molding product from generating quality defects such as eccentricity, bamboo joints and the like due to the falling and bending of the coated object in the production process of extrusion molding, the coated object is ensured to straightly advance and have consistent tension in the extrusion molding process. In the production process, a straightening device, a tension wheel device, a caterpillar traction device and the like are generally adopted to ensure consistent tension. However, the equipment has the defects of large floor area, large equipment investment and the like, and particularly, when the extrusion production line cannot be changed due to the fact that the production line using the extrusion equipment is installed, the equipment cannot be added.

Therefore, the technical personnel in the field are dedicated to developing a tension control device for cable extrusion molding, which ensures that the cable does not fall and bend in the process of extruding a coated object, has constant tension and ensures the extrusion molding size uniformity of a product.

Disclosure of Invention

In view of the above defects in the prior art, the technical problem to be solved by the present invention is to provide a tension control device, which ensures that a cable does not fall and bend during the extrusion of a coated object, has constant tension, and ensures the extrusion size uniformity of a product.

In order to achieve the purpose, the invention provides a tension control device for cable extrusion molding, which comprises a pressing mechanism, wherein the pressing mechanism comprises a first roller and a second roller, a first pressing belt is sleeved outside the first roller and the second roller, a third roller and a fourth roller are respectively installed at corresponding positions below the first roller and the second roller, and a second pressing belt is sleeved outside the third roller and the fourth roller. The cable passes through between the first pressing belt and the second pressing belt, and the distance between the first pressing belt and the second pressing belt is equal to the diameter of the cable, so that the cable can straightly advance in the extrusion molding process, the tension is consistent, and jitter cannot occur.

Furthermore, horizontal adjusting mechanisms are installed at two ends of the pressing mechanism. The horizontal adjusting mechanism is used for adjusting the cable to be flat.

Furthermore, horizontal adjustment mechanism includes first horizon wheel and second horizon wheel, first horizon wheel and second baffle fixed connection, the second horizon wheel is installed in vertical support board, be provided with first bar groove in the vertical support board, second horizon wheel axis of rotation passes first bar groove and locks with the screw. The position of the second horizontal wheel can be adjusted according to the diameter of the cable so as to adapt to cables of different sizes and improve the universality.

Furthermore, one side of the horizontal adjusting mechanism on any side, which is far away from the pressing mechanism, is also provided with a vertical adjusting mechanism. The vertical adjustment mechanism further adjusts the position of the cable and guides the cable.

Further, vertical guiding mechanism includes first vertical wheel and the vertical wheel of second, first vertical wheel and horizontal support board fixed connection, the vertical wheel of second is installed on horizontal support board, the last second bar groove that is provided with of horizontal support board, the vertical wheel axis of rotation of second passes the second bar groove is locked with the screw. The position of the second vertical wheel can be adjusted according to the diameter of the cable so as to adapt to cables of different sizes and improve the universality.

Furthermore, first baffle is installed to first gyro wheel and second gyro wheel one end, be provided with the third bar groove on the first baffle, the second gyro wheel axis of rotation passes the third bar groove is locked with locking screw.

Furthermore, a second baffle is installed right below the first baffle, a fourth groove is formed in the second baffle, and the fourth roller rotating shaft penetrates through the fourth groove and is locked by screws.

Further, the first pressing belt and the second pressing belt are both made of elastic materials. The first pressing belt and the second pressing belt are made of elastic materials, and shaking occurring in the movement process of the cable can be eliminated.

Further, the pressing mechanism, the horizontal adjusting mechanism and the vertical adjusting mechanism are all installed on the supporting plate, the supporting plate is fixedly connected with the supporting column, and the supporting column is further connected with the bottom plate.

The invention has the beneficial effects that: the cable passes through the space between the first pressing belt and the second pressing belt which are made of elastic materials, so that the shaking of the cable in the moving process can be eliminated, and the cable can move straightly and forwards and has consistent tension; the horizontal adjusting mechanism and the vertical adjusting mechanism are arranged at the two ends of the pressing mechanism, so that the shaking of the cable in the moving process can be reduced, the pressing mechanism can adapt to different cables, and the universality of the pressing mechanism is improved; the tension of first compressing band and second compressing band is adjustable, and the product after avoiding the extrusion molding eccentric, bamboo joint appear not beating by the cladding thing at the extrusion molding in-process to the guarantor.

Drawings

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

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, wherein the terms "upper", "lower", "left", "right", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular manner, and thus should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "in communication" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, a tension control device for cable extrusion molding comprises a press-fit mechanism, the press-fit mechanism comprises a first roller 1 and a second roller 2, a first pressing belt 3 is sleeved outside the first roller 1 and the second roller 2, a third roller 4 and a fourth roller 5 are respectively installed at corresponding positions below the first roller 1 and the second roller 2, a second pressing belt 6 is sleeved outside the third roller 4 and the fourth roller 5, the first pressing belt 3 and the second pressing belt 6 are both made of elastic materials, a channel is formed between the first pressing belt 3 and the second pressing belt 6, a cable 21 passes through the channel, the distance between the first pressing belt 3 and the second pressing belt 6 is equal to the diameter of the cable 21, and shaking of the cable 21 can be effectively prevented.

First baffle 15 is installed to first gyro wheel 1 and 2 one end of second gyro wheel, is provided with third bar groove 16 on the first baffle 15 for adjust the position of second gyro wheel 2 in order to adapt to not unidimensional cable, the second gyro wheel 2 axis of rotation passes third bar groove 16 and locks with locking screw, during the adjustment, only need the loosening of locking screw soon, with second gyro wheel 2 adjust to suitable position when locking can.

A second baffle plate 17 is arranged under the first baffle plate 15, a fourth groove 18 is formed in the second baffle plate 17, a rotating shaft of the fourth roller 5 penetrates through the fourth groove 18 and is locked by a screw, and the adjusting mode of the fourth roller 5 is the same as that of the second roller 2.

Horizontal adjustment mechanisms are installed at two ends of the pressing mechanism, in the embodiment, each horizontal adjustment mechanism comprises a first horizontal wheel 7 and a second horizontal wheel 8, the first horizontal wheel 7 is fixedly connected with the second baffle 17, the second horizontal wheel 8 is installed on the vertical supporting plate 9, a first strip-shaped groove 10 is formed in the vertical supporting plate 9, and a rotating shaft of the second horizontal wheel 8 penetrates through the first strip-shaped groove 10 and is locked through a screw.

Any side horizontal adjustment mechanism keeps away from pressing mechanism one side and still installs vertical guiding mechanism, and in this embodiment, vertical guiding mechanism includes first vertical wheel 11 and second vertical wheel 12, and first vertical wheel 11 and horizontal support plate 13 fixed connection, second vertical wheel 12 install on horizontal support plate 13, are provided with second bar groove 14 on horizontal support plate 13, and second vertical wheel 12 axis of rotation passes second bar groove 14 and locks with the screw.

The pressing mechanism, the horizontal adjusting mechanism and the vertical adjusting mechanism are all arranged on the supporting plate, the supporting plate is fixedly connected with the supporting column 19, in order to adjust the height of the supporting plate, the telescopic mechanism can be arranged on the supporting column 19, the supporting column 19 is also connected with the bottom plate 20, the bottom plate 20 can be additionally provided with a locking screw in order to prevent the support frame from toppling over in the working process, and the support frame is also provided with a supporting frame, and the supporting frame is.

The working principle of the invention is as follows: after the invention is placed in an extruding machine, a cable 21 passes through a position between a first pressing belt 3 and a second pressing belt 6, the distance between the first pressing belt 3 and the second pressing belt 6 is equal to the diameter of the cable, and the first pressing belt 3 and the second pressing belt 6 are made of elastic materials, so that the cable can move forwards straightly in the extruding process, in order to further reduce the shaking of the cable 21 and guide the cable 21, horizontal adjusting mechanisms and vertical adjusting mechanisms are arranged at two ends of a pressing mechanism, in order to further adapt to different cables 21 and eliminate the shaking of the cable 21, the tension of the first pressing belt 3 and the second pressing belt 6 can be adjusted, and the eccentricity and bamboo joint of a coating are reduced.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. A tension control device for cable extrusion molding is characterized in that: the pressing mechanism comprises a first roller (1) and a second roller (2), a first pressing belt (3) is sleeved outside the first roller (1) and the second roller (2), a third roller (4) and a fourth roller (5) are respectively installed at corresponding positions below the first roller (1) and the second roller (2), and a second pressing belt (6) is sleeved outside the third roller (4) and the fourth roller (5).

2. A tension control device for cable extrusion as claimed in claim 1, wherein: and horizontal adjusting mechanisms are arranged at two ends of the pressing mechanism.

3. A tension control device for cable extrusion as claimed in claim 2, wherein: horizontal adjustment mechanism includes first horizon wheel (7) and second horizon wheel (8), first horizon wheel (7) and second baffle (17) fixed connection, second horizon wheel (8) are installed on vertical support board (9), be provided with first bar groove (10) on vertical support board (9), second horizon wheel (8) axis of rotation passes first bar groove (10) and lock with the screw.

4. A tension control device for cable extrusion as claimed in claim 3, wherein: and one side of the horizontal adjusting mechanism, which is far away from the pressing mechanism, on any side is also provided with a vertical adjusting mechanism.

5. Tension control device for cable extrusion as claimed in claim 4, characterized in that: vertical guiding mechanism includes first vertical wheel (11) and second vertical wheel (12), first vertical wheel (11) and horizontal support board (13) fixed connection, second vertical wheel (12) are installed on horizontal support board (13), be provided with second bar groove (14) on horizontal support board (13), second vertical wheel (12) axis of rotation passes second bar groove (14) are and are locked with the screw.

6. A tension control device for cable extrusion as claimed in claim 5, wherein: first baffle (15) are installed to first gyro wheel (1) and second gyro wheel (2) one end, be provided with third bar groove (16) on first baffle (15), second gyro wheel (2) axis of rotation passes third bar groove (16) are locked with locking screw.

7. A tension control device for cable extrusion as claimed in claim 6, wherein: a second baffle (17) is installed under the first baffle (15), a fourth groove (18) is formed in the second baffle (17), and a rotating shaft of the fourth roller (5) penetrates through the fourth groove (18) and is locked by a screw.

8. A tension control device for cable extrusion as claimed in claim 1, wherein: the first pressing belt (3) and the second pressing belt (6) are both made of elastic materials.

9. A tension control device for cable extrusion as claimed in claim 7, wherein: the pressing mechanism, the horizontal adjusting mechanism and the vertical adjusting mechanism are all installed on the supporting plate, the supporting plate is fixedly connected with the supporting column (19), and the supporting column (19) is further connected with the bottom plate (20).