CN114454456A

CN114454456A - Cable extrusion device based on water circulation cooling

Info

Publication number: CN114454456A
Application number: CN202210135183.2A
Authority: CN
Inventors: 刘青云; 徐见道
Original assignee: Jiangxi Huacable Technology Co ltd
Current assignee: Jiangxi Huacable Technology Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-05-10

Abstract

The invention discloses a cable extrusion device based on water circulation cooling, which belongs to the technical field of cable production and comprises a machine shell, wherein two ends of the machine shell are respectively provided with a support frame, screw sleeves connected with two ends of the machine shell are horizontally arranged in the machine shell, one end of each screw sleeve extends out of the machine shell to form an extrusion opening, an extrusion screw rod for extruding materials to the direction of the extrusion opening is arranged in each screw sleeve, heating rings are respectively heated in corresponding heating areas, a condensing sleeve is used for carrying out cooling control at the corresponding heating areas simultaneously to form step-by-step temperature control, the temperature control effect is improved, an internal groove of each extrusion screw rod is provided with a cooling device for circulating cooling to enhance the cooling effect, so that the temperature control strength is improved, the temperature is transmitted to a temperature sensor through a temperature sensing wire and is displayed on a control console, the temperature of each heating area is convenient to observe, when the extrusion opening needs to be clamped and installed, an adjusting device can push a support rod to reciprocate towards the direction of the extrusion opening, and then conveniently control the position of extruding the mouth and install and press from both sides tightly.

Description

Cable extrusion device based on water circulation cooling

Technical Field

The invention relates to the technical field of cable production, in particular to a cable extrusion device based on water circulation cooling

Background

An extruder is an important plastic machine, and most of the production and manufacture of plastic products can be realized by extrusion molding. In recent years, a strong demand market for cables is kept at home and abroad, the quality requirement for the cables is higher and higher along with the rapid development of cable manufacturing technology, and the extruder is more and more important as main equipment for producing the cables and plays a role in producing the cables.

When the cable is produced, the friction heat and the shearing heat generated by the extruder during high-speed operation destroy the heat balance, so that the temperature exceeds the process temperature, and the temperature needs to be effectively controlled; the extruder among the prior art is fixed can not remove, and inconvenient regulation when needs press from both sides tight installation to the extrusion opening has increaseed personnel's operation degree of difficulty.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the cable extrusion device based on water circulation cooling, which has a good temperature control effect and is convenient to adjust and move.

In order to achieve the above purpose, the invention provides the following technical scheme: a cable extrusion device based on water circulation cooling comprises a machine shell, wherein support frames are arranged at two ends of the machine shell, screw sleeves connected with two ends of the machine shell are horizontally arranged in the machine shell, one end of each screw sleeve extends out of the machine shell to form an extrusion opening, an extrusion screw rod for extruding materials towards the direction of the extrusion opening is arranged in each screw sleeve, a gap is reserved between each screw rod and the inner wall of each screw sleeve to form an inner cavity, a feeding box for conveying the materials to the inner cavity is arranged above one end, far away from the extrusion opening, of the machine shell, a driving wheel is arranged at one end, close to the feeding box, of each extrusion screw rod and connected with a first motor which is arranged below the machine shell and drives the extrusion screw rod to rotate through a driving chain, a plurality of heating rings are arranged on the screw sleeves at intervals, the corresponding heating rings divide the screw sleeves into a plurality of heating zones, and a condensing sleeve for controlling the temperature of the screw sleeves is arranged on the screw sleeves corresponding to each heating zone, the cooling device comprises a cooling device, a condenser sleeve and a driving wheel, wherein the condenser sleeve on each heating zone is connected with a circulating cooling water tank for circularly cooling water in the condenser sleeve, an inner groove extending towards the driving wheel along the central shaft of the extrusion screw is formed in one end, away from the driving wheel, of the extrusion screw, a cooling device connected with the circulating cooling water tank for circularly cooling the inside of the extrusion screw is installed in the inner groove, a temperature sensor is connected onto a screw sleeve of each heating zone through a temperature sensing line, the temperature sensor is connected with a control console capable of displaying temperature, a bottom plate is installed at the bottom of the support frame, and an adjusting device for pushing the support frame to and fro along the direction of an extrusion opening is installed on the bottom plate close to one end of the driving wheel.

Adopt above-mentioned technical scheme, the heating collar heats respectively in the zone of heating that corresponds, the condenser sleeve is simultaneously in the zone of heating that corresponds control of cooling, form substep accuse temperature, the temperature control effect has been improved, extrude screw rod's inside groove installation circulative cooling's heat sink, the reinforcing cooling effect, thereby improve accuse temperature dynamics, the temperature is passed through temperature sensing line and is transmitted the temperature-sensing ware and showing the control cabinet, conveniently observe the temperature in every zone of heating, when the mouth is extruded in the tight installation of needs clamp, adjusting device can promote the bracing piece and make reciprocal the transfer to extruding the mouth direction, and then the position of convenient control extrusion mouth is installed and is pressed from both sides tightly.

The water circulation cooling device is characterized in that a circulation water tank wound around the threaded sleeve is arranged in the condensation sleeve in a winding mode, a water outlet and a water inlet are formed in the circulation water tank, the water inlet of each circulation water tank is communicated through a first water inlet pipe, the water outlet of each circulation water tank is communicated through a first water outlet pipe, and the first water inlet pipe and the first water outlet pipe are connected with a circulation cooling water tank to circularly cool water in each circulation water tank.

Adopt above-mentioned technical scheme, water after first inlet tube will be cooled down is carried to every water inlet through recirculated cooling water tank, and water absorbs certain heat on the swivel nut through the flow in the circulating water groove, flows to first outlet pipe from the delivery port again and lets in recirculated cooling water tank and carry out cooling cycle, and the basin that the winding set up can increase under certain area with the contact surface of swivel nut, improves the cooling and controls the temperature effect, and the simple structure of this first water pipe and second water pipe.

And further setting, wherein each water inlet corresponding to the first water inlet pipe is provided with a first electromagnetic valve for controlling the flow rate of water flow.

By adopting the technical scheme, according to the temperature on the control console, the flow velocity of water at the corresponding water inlet can be controlled through the first electromagnetic valve, so that the temperature on the threaded sleeve can be accurately controlled.

Further, a protective layer is sleeved outside the condensation sleeve.

By adopting the technical scheme, the extrusion screw rod can vibrate due to rotation, the protective layer has the effect of improving the stability on the whole structure, and the protective layer can also be used for wrapping and protecting the internal condensation sleeve and the heating ring.

The cooling device comprises two cooling pipes which are arranged in parallel, one ends of the cooling pipes, far away from the driving wheel, are in a mutually communicated state, one ends of the two cooling pipes, close to the driving wheel, are respectively connected with a second water inlet pipe and a second water outlet pipe, the second water inlet pipe and the second water outlet pipe are connected with a circulating cooling water tank to carry out circulating cooling on water in the circulating pipes, one ends, far away from the driving wheel, of the inner grooves are provided with first bearings, second bearings are embedded in the driving wheel, and the first bearings and the second bearings are respectively sleeved at two ends of the two cooling pipes to enable the two cooling pipes to keep against rotation when the extrusion screw rod rotates.

Adopt above-mentioned technical scheme, recirculated cooling water tank carries water to the cooling tube from the second inlet tube and circulates, and to extruding the inside temperature of screw rod and control of cooling down, because it can rotate to extrude the screw rod, the bearing at cooling tube both ends can not influence and can also guarantee under the rotatory circumstances of extrusion screw rod that the cooling tube does not rotate, and this simple structure is effective.

And a second electromagnetic valve for controlling the flow rate of water flow is arranged on the second water inlet pipe.

By adopting the technical scheme, the second electromagnetic valve can control the flow velocity of water flow in the cooling pipe, and further enhances the control of the temperature in the extrusion screw.

Further setting, the rail wheel is all installed to the both sides of two bracing piece bottoms, install on the bottom plate and inlay to join in marriage and can follow the rolling track of adjusting device promotion direction with this rail wheel, adjusting device is including the two thread bush that are the horizontal symmetry setting, the support frame bottom near drive wheel one end is installed to two thread bushes, threaded lead screw is installed to two thread bush internal rotation, the lead screw is connected to the gear train of installing on the bottom plate along the outside extension of thread bush, gear train one side is connected with and drives lead screw pivoted second motor.

Adopt above-mentioned technical scheme, the second motor passes through the gear train and drives the lead screw rotation, and the pivoted lead screw can let the thread bush move on the lead screw through the screw-thread fit with the thread bush, and the thread bush drives the support frame and makes the rail wheel roll along the track, through the screw-thread fit of lead screw and thread bush, distance that can accurate control support frame remove, rail wheel and orbital cooperation have direction and stable effect to the removal of support frame.

And further setting, limiting blocks are arranged at two ends of the guide rail.

By adopting the technical scheme, the guide rail wheel is prevented from rolling out of the guide rail to cause damage.

Drawings

FIG. 1 is an external view of the present invention;

FIG. 2 is a cross-sectional structural view of the present invention;

FIG. 3 is a block diagram of the adjustment device of the present invention;

FIG. 4 is an enlarged view of FIG. 2A;

FIG. 5 is an enlarged view of FIG. 2B;

fig. 6 is a schematic structural diagram of the driving wheel of the present invention.

The reference numbers in the figures illustrate:

1. a housing; 11. a feed box; 2. extruding a screw; 21. a driving wheel; 22. a drive chain; 23. a first motor; 24. a threaded sleeve; 25. an inner cavity; 26. an inner tank; 27. a cooling device; 28. a first bearing; 29. a second bearing; 241. an extrusion port; 271. a cooling tube; 3. a heating zone; 31. heating a ring; 32. a condensing sleeve; 33. a temperature sensing line; 34. a temperature sensor; 35. a protective layer; 36. a console; 321. a circulating water tank; 322. a water inlet; 323. a water outlet; 4. a circulating cooling water tank; 41. a first water inlet pipe; 42. a first water outlet pipe; 43. a second water inlet pipe; 44. a second water outlet pipe; 411. a first solenoid valve; 431. a second solenoid valve; 5. a support frame; 51. a rail wheel; 52. a track; 53. a base plate; 521. a limiting block; 6. an adjustment device; 61. a threaded sleeve; 62. a screw rod; 63. a gear set; 64. a second motor.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-4, a cable extrusion device based on water circulation cooling comprises a housing 1, wherein two ends of the housing 1 are both provided with a support frame 5, threaded sleeves 24 connected with two ends of the housing 1 are horizontally arranged in the housing 1, one end of the screw sleeve 24 extends out of the machine shell 1 to form an extrusion port 241, an extrusion screw rod 2 for extruding materials towards the direction of the extrusion port 241 is arranged in the screw sleeve 24, and a gap is left between the screw and the inner wall of the screw sleeve 24 to form an inner cavity 25, a feeding box 11 for conveying materials to the inner cavity 25 is arranged above one end of the machine shell 1 far away from the extrusion port 241, a driving wheel 21 is arranged at one end of the extrusion screw 2 close to the feeding box 11, the driving wheel 21 is connected with a first motor 23 which is arranged below the machine shell 1 and drives the extrusion screw 2 to rotate through a driving chain 22, a plurality of heating rings 31 are arranged on the screw sleeve 24 at intervals, and the corresponding heating rings 31 divide the screw sleeve 24 into a plurality of heating zones 3. Inner chamber 25 is unloaded with the raw materials to the feed box 11, and first motor 23 rotates and drives the drive wheel 21 rotatory and then drive and extrude the screw rod 2 rotation and extrude the raw materials constantly to extruding port 241 direction, and the heating ring 31 on every heating district 3 that corresponds heats the screw shell 24, and the raw materials is heated by the segmentation in-process of extruding and is melted, melts more evenly, is favorable to promoting the quality of product. A condensing sleeve 32 for controlling the temperature of the screw sleeve 24 is arranged on the screw sleeve 24 corresponding to each heating zone 3, the condensing sleeve 32 on each heating zone 3 is connected with a circulating cooling water tank 4 for circularly cooling water in the condensing sleeve 32, an inner groove 26 extending towards the driving wheel 21 along the central axis of the extrusion screw 2 is arranged in one end of the extrusion screw 2 away from the driving wheel 21, a cooling device 27 connected with the circulating cooling water tank 4 for circularly cooling the interior of the extrusion screw 2 is arranged in the inner groove 26, a temperature sensor 34 is connected on the screw sleeve 24 of each heating zone 3 through a temperature sensing line 33, the temperature sensor 34 is connected with a control table 36 capable of displaying temperature, the friction heat and the shear heat generated by the extrusion screw 2 during high-speed operation can destroy the heat balance, the temperature exceeds the process temperature, so that the temperature needs to be effectively controlled, the temperature is transmitted to the temperature sensor 34 through the temperature sensing line 33 and then displayed on the control table 36, the temperature of every heating zone 3 is conveniently observed, when the temperature surpassed the technology temperature, alright in order to open the water of circulative cooling water tank 4 in to condensation sleeve 32 and carry out cooling cycle, and then carries out cooling control to the swivel nut 24 of every section heating zone 3, has improved the temperature control effect, and the heat sink 27 in the inside groove 26 is also cooled down to the inside of extruding screw 2 simultaneously, reinforcing cooling effect to improve the accuse temperature dynamics. Bottom plate 53 is installed to support frame 5 bottom, is close to installing the adjusting device 6 that pushes support frame 5 reciprocating along extruding mouthful 241 direction on the bottom plate 53 of drive wheel 21 one end, and when needs press from both sides tight installation and extrude mouthful 241, adjusting device 6 can promote the bracing piece and make reciprocating motion to extruding mouthful 241 direction, and then conveniently control the position of extruding mouthful 241 and install the clamp tightly.

As shown in fig. 2 and 4, a circulating water tank 321 wound around the screw sleeve 24 is disposed in the condensation sleeve 32, the circulating water tank 321 is provided with a water outlet 323 and a water inlet 322, the water inlet 322 of each circulating water tank 321 is communicated through a first water inlet pipe 41, the water outlet 323 of each circulating water tank 321 is communicated through a first water outlet pipe 42, and the first water inlet pipe 41 and the first water outlet pipe 42 are connected to the circulating cooling water tank 4 to circularly cool the water in each circulating water tank 321. First inlet tube 41 is carried to every water inlet 322 through recirculated cooling water tank 4 after will cooling, and certain heat on the swivel nut 24 is absorbed through the flow in circulating water groove 321 to water, flows to first outlet pipe 42 from delivery port 323 again and lets in recirculated cooling water tank 4 and carry out cooling cycle, and the basin that the winding set up can increase under certain area with the contact surface of swivel nut 24, improves the cooling and controls the temperature effect, and the simple structure of this first water pipe and second water pipe. Every water inlet 322 department that first inlet tube 41 corresponds all installs the first solenoid valve 411 of control water flow velocity, and the temperature requirement of every section zone of heating 3 is different, refer to fig. 1, through observing the data on the control cabinet 36, can audio-visually know the specific temperature of every section zone of heating 3, when the temperature surpassed technology temperature, can control the water flow velocity of every section zone of heating 3 inner loop basin 321 through first solenoid valve 411 to the temperature on the swivel nut 24 on every section zone of heating 3 of accurate control. The condensation sleeve 32 is externally sleeved with a protective layer 35, and the protective layer 35 is used for wrapping and protecting the whole condensation sleeve 32, so that the stability is improved.

As shown in fig. 2 and fig. 4-6, the temperature reducing device 27 includes two cooling pipes 271 disposed in parallel, one ends of the cooling pipes 271 far from the driving wheel 21 are in a mutually communicated state, one ends of the two cooling pipes 271 near the driving wheel 21 are respectively connected with a second water inlet pipe 43 and a second water outlet pipe 44, the second water inlet pipe 43 and the second water outlet pipe 44 are connected with the circulating cooling water tank 4 to circularly cool water in the circulating pipe, the circulating cooling water tank 4 conveys water from the second water inlet pipe 43 to the cooling pipes 271, the cooling pipes 271 flow from the second water inlet pipe 43 to the direction of the extrusion port 241 and then flow to the other cooling pipe 271 to the second water outlet pipe 44, and thus the inside of the extrusion screw 2 is circularly cooled. Since the extrusion screw 2 rotates, in order to ensure that the condensation sleeve 32 remains stationary in the extrusion screw 2, a first bearing 28 is installed at one end of the inner groove 26 away from the driving wheel 21, a second bearing 29 is embedded in the driving wheel 21, the first bearing 28 and the second bearing 29 are respectively sleeved at two ends of the two cooling pipes 271, when the extrusion screw 2 rotates, the outer rings of the first bearing 28 and the second bearing 29 continuously rotate, and the inner rings and the cooling pipes 271 remain non-rotating. Here, the second bearing 29 may be mounted on a port of the screw sleeve 24 close to the driving wheel 21, and then the cooling pipe 271 may be sleeved. The second water inlet pipe 43 is provided with a second solenoid valve 431 for controlling the flow rate of water, and the second solenoid valve 431 can control the flow rate of water in the cooling pipe 271, so that the control of the temperature in the extrusion screw 2 is further enhanced.

As shown in fig. 2-3, two sides of the bottom of each of the two support rods are respectively provided with a rail 52 wheel 51, the bottom plate 53 is provided with a rail 52 which is embedded with the rail 52 wheel 51 and can roll along the pushing direction of the adjusting device 6, two ends of the guide rail are respectively provided with a limiting block 521, and the limiting blocks 521 can prevent the rail 52 wheels 51 from rolling out of the rail 52 during the rolling process on the rail 52 and causing damage. The adjusting device 6 comprises two thread sleeves 61 which are horizontally and symmetrically arranged, the two thread sleeves 61 are arranged at the bottom of the support frame 5 close to one end of the driving wheel 21, threaded screw rods 62 are rotatably arranged in the two thread sleeves 61, the screw rods 62 extend outwards along the thread sleeves 61 and are connected to gear sets 63 arranged on the bottom plate 53, and one side of each gear set 63 is connected with a second motor 64 driving the screw rods 62 to rotate. When the extrusion opening 241 needs to be installed and clamped, the second motor 64 drives the screw rod 62 to rotate through the matching with the gear set 63, the rotating screw rod 62 can enable the threaded sleeve 61 to move on the screw rod 62 through the threaded matching with the threaded sleeve 61, the threaded sleeve 61 drives the support frame 5 to enable the track 52 to roll along the track 52, the screw rod 62 is matched with the threaded sleeve 61 through threads, the moving distance of the support frame 5 can be accurately controlled, and the track 52, the wheel 51 and the track 52 are matched to guide and stabilize the movement of the support frame 5. The gear set 63 is mainly used to increase the transmission ratio and increase the torque, so that the carrying capacity of the second motor 64 can be reduced, and therefore, the gear set 63 can adopt a spur gear set, a bevel gear set and the like with the transmission ratio at least greater than 1.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The utility model provides a cable extrusion device based on water circulative cooling, includes the casing, the support frame is all installed at the casing both ends, horizontal installation is equipped with the swivel nut of connecting the casing both ends in the casing, and the outside extension of this swivel nut one end outside the casing forms the extrusion mouth, install the screw rod of extruding the material to the extrusion mouth direction in the swivel nut, and leave the clearance between this screw rod and the swivel nut inner wall and form the inner chamber, the casing is kept away from the top of extrusion mouth one end and is installed the charging box of carrying the material to the inner chamber, extrude the screw rod and install the drive wheel near the one end of charging box, the drive wheel passes through the driving chain and installs and extrude screw rod pivoted first motor and be connected its characterized in that in the casing below and drive: a plurality of heating coils are arranged on the screw sleeve at intervals, the screw sleeve is divided into a plurality of heating zones by the corresponding heating coils, a condensing sleeve for controlling the temperature of the screw sleeve is arranged on the screw sleeve corresponding to each heating zone, the condensing sleeve on each heating area is connected with a circulating cooling water tank for circularly cooling water in the condensing sleeve, an inner groove extending towards the driving wheel along the central axis of the extrusion screw is arranged in one end of the extrusion screw far away from the driving wheel, a cooling device which is connected with the circulating cooling water tank and used for circularly cooling the interior of the extrusion screw is arranged in the inner groove, the threaded sleeve of each heating area is connected with a temperature sensor through a temperature sensing line, the temperature sensor is connected with a console capable of displaying temperature, the bottom plate is installed to the support frame bottom, install the adjusting device who reciprocates the support frame along the extrusion opening direction on being close to the bottom plate of drive wheel one end.

2. The cable extrusion device based on water circulation cooling as claimed in claim 1, wherein: the condenser is characterized in that a circulating water tank wound around the threaded sleeve is arranged in the condenser sleeve, a water outlet and a water inlet are formed in the circulating water tank, the water inlet of each circulating water tank is communicated through a first water inlet pipe, the water outlet of each circulating water tank is communicated through a first water outlet pipe, and the first water inlet pipe and the first water outlet pipe are connected with a circulating cooling water tank to circularly cool water in each circulating water tank.

3. The cable extrusion device based on water circulation cooling as claimed in claim 2, wherein: every water inlet department that first inlet tube corresponds all installs the first solenoid valve of control velocity of water flow.

4. The cable extrusion device based on water circulation cooling as claimed in claim 2, wherein: and a protective layer is sleeved outside the condensation sleeve.

5. The cable extrusion device based on water circulation cooling as claimed in claim 1, wherein: the cooling device comprises two cooling pipes which are arranged in parallel, one ends of the cooling pipes, far away from the driving wheel, are in a mutually communicated state, one ends of the two cooling pipes, close to the driving wheel, are respectively connected with a second water inlet pipe and a second water outlet pipe, the second water inlet pipe and the second water outlet pipe are connected with a circulating cooling water tank to carry out circulating cooling on water in the circulating pipe, one end, far away from the driving wheel, of the inner groove is provided with a first bearing, a second bearing is embedded in the driving wheel, and the first bearing and the second bearing are respectively sleeved at two ends of the two cooling pipes to enable the two cooling pipes to be kept still when the extrusion screw rotates.

6. The cable extrusion device based on water circulation cooling as claimed in claim 5, wherein: and a second electromagnetic valve for controlling the flow rate of water flow is arranged on the second water inlet pipe.

7. The cable extrusion device based on water circulation cooling as claimed in claim 1, wherein: the track wheel is all installed to the both sides of two bracing piece bottoms, install on the bottom plate and inlay to join in marriage and can follow adjusting device and promote the rolling track of direction with this track wheel, adjusting device is including the two thread bush that are the horizontal symmetry setting, two thread bushes are installed in the support frame bottom that is close to drive wheel one end, rotatory threaded lead screw of installing in two thread bushes, the lead screw outwards extends along the thread bush and is connected to the gear train of installing on the bottom plate, gear train one side is connected with and drives lead screw pivoted second motor.

8. The cable extrusion device based on water circulation cooling as claimed in claim 7, wherein: and limiting blocks are arranged at two ends of the guide rail.