CN217369068U

CN217369068U - Coating die head

Info

Publication number: CN217369068U
Application number: CN202220218984.0U
Authority: CN
Inventors: 朱文
Original assignee: Wuhan Luneng Technology Co ltd
Current assignee: Wuhan Luneng Technology Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-09-06
Anticipated expiration: 2032-01-26

Abstract

The utility model provides a can advance coating die head of gluey volume by real-time supervision. The utility model provides a coating die head, includes the die head body that has the inner chamber, the die head body is equipped with the feed port, advances gluey hole and the discharge opening with inner chamber and the outside intercommunication of die head body, still includes: the plug is arranged in the inner cavity and used for plugging the glue inlet hole; the supporting rod penetrates through the die head body, one end of the supporting rod is connected with the plug, the other end of the supporting rod extends out of the outer wall of the die head body, and the supporting rod is movably connected with the die head body; the pressure spring is sleeved outside the support rod, one end of the pressure spring is abutted to the plug, and the other end of the pressure spring is abutted to the inner wall of the die head body; and the displacement sensor is arranged outside the die head body and fixedly connected with the outer wall of the die head body, and the input end of the displacement sensor is connected with the end part of the supporting rod extending out of the outer wall of the die head body. The utility model discloses the realization is glued the volume and is carried out real time monitoring to advancing of coating die head, and has avoided displacement sensor by the risk that the insulating cement pollutes.

Description

Coating die head

Technical Field

The utility model relates to a coating technology field, concretely relates to coating die head.

Background

The coating die head is an important part in cable coating, and generally has a feeding hole, a glue inlet hole and a discharge hole, wherein the feeding hole is used for feeding the cable, the glue inlet hole is used for feeding the insulating glue, and the discharge hole is used for enabling the cable coated with the insulating glue to leave the coating die head. The existing coating die head is single in function generally, a monitoring part is not arranged during glue feeding, signal feedback cannot be carried out, the glue feeding amount of the coating die head cannot be known in real time, and the problems of incomplete coating and excessive coating are easily caused in the practical process. In addition, the feed port leakproofness of current coating die head is poor, leaks gluey easily, and the discharge opening aperture is fixed, need change different coating die heads to the cable coating of different line footpaths, and the suitability is relatively poor.

Disclosure of Invention

Based on above background, the utility model aims to provide a can advance coating die head of gluey volume by real-time supervision, solve the background art in the problem.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme:

the utility model provides a coating die head, includes the die head body that has the inner chamber, the die head body is equipped with the feed port, advances gluey hole and the discharge opening with inner chamber and the outside intercommunication of die head body, still includes:

the plug is arranged in the inner cavity and used for plugging the glue inlet hole;

the supporting rod penetrates through the die head body, one end of the supporting rod is connected with the plug, the other end of the supporting rod extends out of the outer wall of the die head body, and the supporting rod is movably connected with the die head body;

the pressure spring is sleeved outside the support rod, one end of the pressure spring is abutted to the plug, and the other end of the pressure spring is abutted to the inner wall of the die head body;

and the displacement sensor is arranged outside the die head body and fixedly connected with the outer wall of the die head body, and the input end of the displacement sensor is connected with the end part of the supporting rod extending out of the outer wall of the die head body.

When the insulating cement enters the inner cavity of the die head body from the glue inlet hole, the insulating cement overcomes the elasticity of the pressure spring to push the plug open, so that the support rod moves along with the insulating cement, the moving distance of the support rod is collected by the input end of the displacement sensor, and the displacement sensor converts the position electrical signal to transmit the position electrical signal to the external control system, so that the glue inlet amount is monitored in real time, and the risk that the displacement sensor is polluted by the insulating cement is avoided because the displacement sensor is arranged outside the die head body.

Preferably, the displacement sensor is a linear potentiometer.

Preferably, the displacement sensor is arranged on the top of the die head body and is parallel to the support rod.

Preferably, the coating die head further comprises a connecting rod, one end of the connecting rod is connected with the input end of the displacement sensor, and the other end of the connecting rod is connected with the end part of the supporting rod extending out of the outer wall of the die head body.

Preferably, the die head body is provided with a sealing element at the feeding hole, and the outer wall of the sealing element is connected with the wall of the feeding hole.

Preferably, the sealing member includes toper portion and fixed part, the toper portion has the reducing through-hole, and the reducing through-hole aperture that is close to the inner chamber is less than the reducing through-hole aperture of keeping away from the inner chamber, toper portion outer wall is connected to fixed part one end, and at least partly of toper portion outer wall and at least partly of the fixed part other end all connect in the feed port pore wall.

Preferably, the die head body is provided with a die sheet at the discharge hole, the die sheet is provided with a first opening corresponding to the discharge hole, and the die sheet is detachably and fixedly connected to the outer wall of the die head body.

Preferably, the die head body is provided with a groove at the discharge hole, the die sheet is embedded in the groove, and the die sheet is detachably and fixedly connected to the bottom of the groove through a fastening bolt.

Preferably, the die head body comprises an upper die head shell and a lower die head shell, the upper die head shell is detachably and fixedly connected with the lower die head shell, the bottom of the upper die head shell is provided with a positioning pin and/or a positioning hole, and the top of the lower die head shell is provided with a positioning hole and/or a positioning pin corresponding to the positioning pin and/or the positioning hole of the upper die head shell.

Preferably, the coating die head further comprises a glue inlet head, the glue inlet head is arranged on the outer wall of the die head body and communicated with the glue inlet hole, and the outer diameter of the end part, adjacent to the outer wall of the die head body, of the glue inlet head is larger than the outer diameter of the end part, far away from the outer wall of the die head body, of the glue inlet head.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses a coating die head, through end cap, branch, pressure spring and displacement sensor's integrated configuration, the realization carries out real time monitoring to the volume of advancing glue of coating die head, and because displacement sensor locates the die head body outside, has avoided the risk that displacement sensor is polluted by the insulating cement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic perspective view of a coating die of the present invention;

fig. 2 is a schematic structural view of an upper shell of a middle die in the present invention;

fig. 3 is a schematic view of the internal structure of the upper shell of the middle die head in the present invention;

fig. 4 is a schematic bottom view of the upper housing of the middle mold head of the present invention;

fig. 5 is a schematic view of the internal structure of the lower housing of the middle die of the present invention.

In the figure: 1. a die head body; 2. a plug; 3. a strut; 4. a pressure spring; 5. a displacement sensor; 6. a connecting rod; 7. a seal member; 8. a stamper; 9. a groove; 10. feeding a rubber head; 101. an inner cavity; 102. a feed port; 103. a glue inlet hole; 104. a discharge hole; 105. a die head upper shell; 106. a die head lower housing; 107. positioning pins; 108. positioning holes; 701. a tapered portion; 702. a fixed part; 703. a variable diameter through hole; 801. a first opening.

Detailed Description

The technical solution of the present invention is further specifically described below by using specific embodiments and with reference to the accompanying drawings. It is to be understood that the practice of the invention is not limited to the following examples, and that any modifications and/or changes in form made to the invention are intended to fall within the scope of the invention.

In the present invention, unless otherwise specified, all parts and percentages are by weight, and the equipment and raw materials used may be commercially available or commonly used in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components or devices in the following examples are, unless otherwise specified, standard parts or parts known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through routine experimentation.

An embodiment of the utility model discloses a coating die head, including the die head body that has the inner chamber, the die head body is equipped with the feed port of inner chamber and the outside intercommunication of die head body, advances gluey hole and discharge opening, and this coating die head still includes end cap, branch, pressure spring and displacement sensor. The plug is arranged in the inner cavity and used for plugging the glue inlet hole. The support rod penetrates through the die head body, one end of the support rod is connected with the plug, the other end of the support rod extends out of the outer wall of the die head body, and the support rod is movably connected with the die head body. The branch outside is located to the pressure spring cover, pressure spring one end butt end cap, pressure spring other end butt die head body inner wall. The displacement sensor is arranged outside the die head body and fixedly connected with the outer wall of the die head body, and the input end of the displacement sensor is connected with the end of the supporting rod extending out of the outer wall of the die head body.

When the insulating cement enters the inner cavity of the die head body from the glue inlet hole, the insulating cement overcomes the elasticity of the pressure spring to push the plug open, so that the support rod moves along with the insulating cement, the moving distance of the support rod is collected by the input end of the displacement sensor, and the displacement sensor converts the position electrical signal to transmit the position electrical signal to the external control system, so that the glue inlet amount is monitored in real time, and the risk that the displacement sensor is polluted by the insulating cement is avoided because the displacement sensor is arranged outside the die head body. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. A coating die head as shown in fig. 1-5, which comprises a die head body 1 with an inner cavity 101, wherein the die head body 1 is provided with a feeding hole 102, a glue feeding hole 103 and a discharging hole 104 which are used for communicating the inner cavity 101 with the outside of the die head body 1, and the coating die head further comprises a plug 2, a support rod 3, a pressure spring 4 and a displacement sensor 5. The plug 2 is arranged in the inner cavity 101 and used for plugging the glue inlet hole 103. Branch 3 wears to locate die head body 1, and end cap 2 is connected to 3 one ends of branch, and the 3 other ends of branch stretch out in 1 outer walls of die head body, branch 3 and die head body 1 swing joint. 3 outsides of branch are located to pressure spring 4 covers, 4 one ends butt end cap 2 of pressure spring, and 4 other ends butt die head bodies inner wall of pressure spring. When glue is not fed, the plug 2 plugs the glue feeding hole 103 under the action of the elastic force of the pressure spring 4, and when the glue is fed, the insulating glue overcomes the elastic force of the pressure spring 4 under the action of external pressure to push the plug 2 open. Displacement sensor 5 is linear potentiometer, and displacement sensor 5 locates die head body 1 outside and with 1 outer wall fixed connection of die head body, displacement sensor 5's input with stretch out 3 end connection of branch in 1 outer wall of die head body. Specifically, the displacement sensor 5 is arranged on the top of the die head body 1 and is parallel to the support rod 3. The coating die head further comprises a connecting rod 6, one end of the connecting rod 6 is connected with the input end of the displacement sensor 5, and the other end of the connecting rod 6 is connected with the end part of the supporting rod 3 extending out of the outer wall of the die head body 1.

In order to improve the tightness between the die head body 1 and the cable during cable feeding and avoid the insulating glue in the inner cavity 101 from overflowing from the gap between the die head body 1 and the cable, the die head body 1 is provided with a sealing element 7 at the feeding hole 102, and the outer wall of the sealing element 7 is connected to the hole wall of the feeding hole 102. The sealing element 7 comprises a conical part 701 and a fixing part 702, the conical part 701 is provided with a reducing through hole 703, the diameter of the reducing through hole 703 adjacent to the inner cavity 101 is smaller than that of the reducing through hole 703 far away from the inner cavity 101, one end of the fixing part 702 is connected with the outer wall of the conical part 701, and at least one part of the outer wall of the conical part 701 and at least one part of the other end of the fixing part 702 are connected with the wall of the feeding hole 102. The sealing gasket with the structure can be used for self-adaptive sealing of the cable.

In order to improve the applicability of the coating die to the coating of cables with different wire diameter sizes, the die body 1 is provided with the die 8 at the discharge hole 104, the die 8 is provided with a first opening 801 corresponding to the discharge hole 104, and the die 8 is detachably and fixedly connected to the outer wall of the die body 1. The die head body 1 is provided with a groove 9 at the discharge hole 104, the die 8 is embedded in the groove 9, and the die 8 is detachably and fixedly connected to the bottom of the groove 9 through a fastening bolt. When coating cables of different wire diameter sizes, the die 8 can be easily removed and the die 8 with the first opening 801 of the appropriate size is mounted to the discharge opening 104 of the die body 1.

In order to improve the convenience of assembling and disassembling the die head body 1, the die head body 1 includes an upper die housing 105 and a lower die housing 106, the upper die housing 105 and the lower die housing 106 are detachably and fixedly connected, in this embodiment, two positioning pins 107 and two positioning holes 108 are arranged at the bottom of the upper die housing 105, and a positioning hole 108 corresponding to the positioning pin 107 of the upper die housing 105 and a positioning pin 107 corresponding to the positioning hole 108 of the upper die housing 105 are arranged at the top of the lower die housing 106. Of course, in another embodiment, only the positioning pin 107 may be disposed at the bottom of the upper die housing 105, and the positioning hole 108 corresponding to the positioning pin 107 of the upper die housing 105 may be disposed at the top of the lower die housing 106, or only the positioning hole 108 may be disposed at the bottom of the upper die housing 105, and the positioning pin 107 corresponding to the positioning hole 108 of the upper die housing 105 may be disposed at the top of the lower die housing 106.

In order to facilitate the glue feeding, the coating die head further comprises a glue feeding head 10, the glue feeding head 10 is arranged on the outer wall of the die head body 1 and communicated with the glue feeding hole 103, and the outer diameter of the end part of the glue feeding head 10, which is adjacent to the outer wall of the die head body 1, is larger than the outer diameter of the end part of the glue feeding head 10, which is far away from the outer wall of the die head body 1.

The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A coating die head, comprising a die head body (1) having an inner cavity (101), the die head body (1) being provided with a feed hole (102), a glue inlet hole (103) and a discharge hole (104) communicating the inner cavity (101) with the outside of the die head body (1), characterized in that: the coating die further comprises:

the plug (2) is arranged in the inner cavity (101), and the plug (2) is used for plugging the glue inlet hole (103);

the support rod (3) penetrates through the die head body (1), one end of the support rod (3) is connected with the plug (2), the other end of the support rod (3) extends out of the outer wall of the die head body (1), and the support rod (3) is movably connected with the die head body (1);

the pressure spring (4) is sleeved outside the support rod (3), one end of the pressure spring (4) is abutted to the plug (2), and the other end of the pressure spring (4) is abutted to the inner wall of the die head body (1);

and the displacement sensor (5) is arranged outside the die head body (1) and is fixedly connected with the outer wall of the die head body (1), and the input end of the displacement sensor (5) is connected with the end of the support rod (3) extending out of the outer wall of the die head body (1).

2. A coating die according to claim 1, wherein: the displacement sensor (5) is a linear potentiometer.

3. A coating die according to claim 1 or 2, wherein: the displacement sensor (5) is arranged at the top of the die head body (1) and is parallel to the support rod (3).

4. A coating die according to claim 1, wherein: the coating die head further comprises a connecting rod (6), one end of the connecting rod (6) is connected with the input end of the displacement sensor (5), and the other end of the connecting rod (6) is connected with the end part of the supporting rod (3) extending out of the outer wall of the die head body (1).

5. A coating die according to claim 1, wherein: the die head body (1) is provided with a sealing element (7) at the position of the feed hole (102), and the outer wall of the sealing element (7) is connected to the wall of the feed hole (102).

6. A coating die according to claim 5, wherein: sealing member (7) include toper portion (701) and fixed part (702), toper portion (701) have reducing through-hole (703), and reducing through-hole (703) aperture that is close to inner chamber (101) is less than reducing through-hole (703) aperture of keeping away from inner chamber (101), toper portion (701) outer wall is connected to fixed part (702) one end, and at least partly of toper portion (701) outer wall and at least partly of fixed part (702) other end all connect in feed port (102) pore wall.

7. A coating die according to claim 1, wherein: the die head body (1) is provided with a die sheet (8) at the position of the discharge hole (104), the die sheet (8) is provided with a first opening (801) corresponding to the discharge hole (104), and the die sheet (8) can be detachably and fixedly connected to the outer wall of the die head body (1).

8. A coating die according to claim 7, wherein: the die head body (1) is provided with a groove (9) at a discharge hole (104), the die sheet (8) is embedded in the groove (9), and the die sheet (8) is detachably and fixedly connected to the bottom of the groove (9) through a fastening bolt.

9. A coating die according to claim 1, wherein: the die head body (1) comprises an upper die head shell (105) and a lower die head shell (106), the upper die head shell (105) is detachably and fixedly connected with the lower die head shell (106), a positioning pin (107) and/or a positioning hole (108) are/is arranged at the bottom of the upper die head shell (105), and a positioning hole (108) and/or a positioning pin (107) corresponding to the positioning pin (107) and/or the positioning hole (108) of the upper die head shell (105) is/are arranged at the top of the lower die head shell (106).

10. A coating die according to claim 1, wherein: the coating die head further comprises a glue inlet head (10), the glue inlet head (10) is arranged on the outer wall of the die head body (1) and communicated with the glue inlet hole (103), and the outer diameter of the end part, adjacent to the outer wall of the die head body (1), of the glue inlet head (10) is larger than the outer diameter of the end part, far away from the outer wall of the die head body (1), of the glue inlet head (10).