阅读说明：本技术 一种电缆料生产用不粘粒新型下阶双螺杆挤出机 (Novel lower-order double-screw extruder for producing non-sticky particles for cable materials ) 是由 吴庆明 于 2020-06-22 设计创作，主要内容包括：本发明涉及电缆料生产技术领域,且公开了一种电缆料生产用不粘粒新型下阶双螺杆挤出机,包括机体,所述机体顶部固定安装有料筒,所述料筒内开设有挤出腔,所述料筒顶部固定安装有输送筒,所述输送筒右侧开设有输送槽,所述输送筒顶部固定安装有与输送槽相连通的料斗,所述输送筒左侧固定连接有输送电机。该电缆料生产用不粘粒新型下阶双螺杆挤出机,解决了目前在生产电缆料时容易出现粘粒的现象,主要是长时间不更换过滤网造成口模压力过高,口模温度上升过快,从而产生粘粒的现象,此外在电缆料的配料中填料以及一些助剂会有杂质,如果滤网目数过高会在模头处产生较大的压力,从而使模头温度过快的上升从而造成粘粒的问题。(The invention relates to the technical field of cable material production, and discloses a novel lower-order double-screw extruder without sticking granules for cable material production, which comprises an extruder body, wherein a charging barrel is fixedly arranged at the top of the extruder body, an extrusion cavity is formed in the charging barrel, a conveying barrel is fixedly arranged at the top of the charging barrel, a conveying groove is formed in the right side of the conveying barrel, a hopper communicated with the conveying groove is fixedly arranged at the top of the conveying barrel, and a conveying motor is fixedly connected to the left side of the conveying barrel. This production of cable material is with novel lower rank twin-screw extruder of on-stick grain has solved the phenomenon that appears the on-stick grain easily when producing cable material at present, and it is too high mainly not to change the filter screen for a long time and cause the bush pressure, and the bush temperature rises at the excessive speed to produce the phenomenon of on-stick grain, filler and some auxiliaries have impurity in the batching of cable material in addition, if the filter screen mesh number is too high can produce great pressure in die head department, thereby make the too fast rising of die head temperature cause the problem of on-stick grain.)

1. The utility model provides a cable material production is with novel lower rank twin-screw extruder of on-stick grain, includes organism (1), its characterized in that: the machine body (1) is fixedly provided with a material cylinder (2) at the top, an extrusion cavity (3) is arranged in the material cylinder (2), a conveying cylinder (4) is fixedly arranged at the top of the material cylinder (2), a conveying groove (5) is formed in the right side of the conveying cylinder (4), a hopper (6) communicated with the conveying groove (5) is fixedly arranged at the top of the conveying cylinder (4), a conveying motor (7) is fixedly connected to the left side of the conveying cylinder (4), an output shaft of the conveying motor (7) is fixedly connected with a conveying auger (8) which penetrates through the conveying cylinder (4) and extends into the conveying groove (5), an L-shaped discharging pipe (9) positioned on the right side of the conveying cylinder (4) is slidably connected to the top of the material cylinder (2), an L-shaped bent hole (10) is formed in the L-shaped discharging pipe (9), and a first filter screen (11) is fixedly arranged in, carry a section of thick bamboo (4) top and the equal fixedly connected with connecting block (12) in L shape unloading pipe (9) top, left side connecting block (12) right side fixedly connected with runs through right side connecting block (12) and extends to threaded rod (13) on connecting block (12) right side, threaded rod (13) external screw thread connection has fastening nut (14) that is located right side connecting block (12) right side, it is two to extrude chamber (3) internal rotation and be connected with extrusion screw (15), feed cylinder (2) outer fixedly connected with annular cooling tube (16), organism (1) left side swing joint has cooling water tank (17), drain pipe (18) that annular cooling tube (16) bottom fixedly connected with is linked together with cooling water tank (17), cooling water tank (17) top fixedly connected with circulating water pump (19), the water inlet fixedly connected with of circulating water pump (19) runs through cooling water tank (17) and extends to the interior pumping of cooling water tank (17) Water pipe (20), inlet tube (21) that the delivery port fixedly connected with of circulating water pump (19) is linked together with annular cooling pipe (16), feed cylinder (2) front side fixed mounting has and is located left temperature monitoring probe (22) of annular cooling pipe (16), feed cylinder (2) left side swing joint has aircraft nose (23), it extrudes hole (24) to have seted up in aircraft nose (23), swing joint has second filter screen (25) between aircraft nose (23) and feed cylinder (2).

2. The novel lower-stage twin-screw extruder without sticky particles for producing cable materials, according to claim 1, is characterized in that: the front side of the machine body (1) is fixedly provided with a control panel, and the top of the machine body (1) is fixedly provided with a gearbox positioned on the right side of the charging barrel (2).

3. The novel lower-stage twin-screw extruder without sticky particles for producing cable materials, according to claim 1, is characterized in that: the outer diameter of the conveying cylinder (4) is equal to that of the L-shaped discharging pipe (9), the aperture of the conveying groove (5) is equal to that of the L-shaped bent hole (10), an annular groove is formed in the left side of the conveying cylinder (4), and a sealing rubber strip matched with the annular groove is fixedly connected to the right side of the L-shaped discharging pipe (9).

4. The novel lower-stage twin-screw extruder without sticky particles for producing cable materials, according to claim 1, is characterized in that: hopper (6) front side fixed mounting has the window that runs through hopper (6) and extend to in hopper (6), the spout with L shape unloading pipe (9) looks adaptation is seted up at feed cylinder (2) top, the unloading hole that is linked together with extrusion chamber (3) is seted up on the spout left side, L shape curved hole (10) are linked together through unloading hole and extrusion chamber (3).

5. The novel lower-stage twin-screw extruder without sticky particles for producing cable materials, according to claim 1, is characterized in that: the bottom of the conveying cylinder (4) and the bottom of the L-shaped discharging pipe (9) are fixedly connected with fixing blocks, and the left side of the fixing block is fixedly connected with a limiting pin penetrating through the fixing block on the left side.

6. The novel lower-stage twin-screw extruder without sticky particles for producing cable materials, according to claim 1, is characterized in that: the mesh number of first filter screen (11) is less than the mesh number of second filter screen (25), annular cooling pipe (16) are located extrusion screw (15) left side, annular cooling pipe (16) inner wall and feed cylinder (2) in close contact with.

7. The novel lower-stage twin-screw extruder without sticky particles for producing cable materials, according to claim 1, is characterized in that: cooling water tank (17) bottom and organism (1) bottom parallel and level, cooling water tank (17) top is seted up quantity and is three radiating groove, cooling water tank (17) front side fixed mounting has quantity to be three radiator fan.

8. The novel lower-stage twin-screw extruder without sticking granules for producing cable materials as claimed in claim 2, wherein: the water inlet pipe (21) is fixedly connected with the top of the right side of the annular cooling pipe (16), and the conveying motor (7), the circulating water pump (19) and the temperature monitoring probe (22) are all electrically connected with the control panel.

9. The novel lower-stage twin-screw extruder without sticky particles for producing cable materials, according to claim 1, is characterized in that: feed cylinder (2) are through flange and aircraft nose (23) swing joint, the constant head tank that quantity is two is seted up on aircraft nose (23) right side, feed cylinder (2) left side fixedly connected with pegs graft to the locating pin in the constant head tank, all set up the mounting groove with second filter screen (25) looks adaptation in feed cylinder (2) and aircraft nose (23).

Technical Field

The invention relates to the technical field of cable material production, in particular to a novel lower-stage double-screw extruder for producing non-sticky particles for a cable material.

Background

The plastic for the wire and cable insulation and sheath is commonly called a cable material, and comprises various varieties of rubber, plastic, nylon and the like, cable production enterprises are cable production enterprises as users, the cable material is available in the market as long as the wire and cable demand is met, the wire and cable products almost all need an insulation layer opening except bare wire products such as steel-cored aluminum stranded wires, electromagnetic wires and the like, and the PVC cable material is a polymer material widely applied in the wire and cable industry, and has the characteristics of high viscosity and easy decomposition.

At present the phenomenon of clay appears when producing cable material easily, it is main not changing the filter screen for a long time and causes the bush pressure too high, the bush temperature rises too fast, thereby the phenomenon of clay is produced, filler and some auxiliaries have impurity in the batching of cable material in addition, can produce great pressure in die head department if the filter screen mesh number is too high, thereby it causes the clay to make the too fast rise of die head temperature, so proposed a cable material production with the novel lower rank twin-screw extruder of non-clay to solve the above-mentioned problem that proposes.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a novel lower-order double-screw extruder for producing non-sticky particles for cable materials, which has the advantages of reducing the sticky particle phenomenon in the cable material processing process and improving the product quality, solves the problem that the sticky particle phenomenon easily occurs in the current cable material production process, and mainly solves the problems that the die pressure is too high and the die temperature rises too fast due to the fact that a filter screen is not replaced for a long time, so that sticky particles are generated, in addition, the filler and some auxiliary agents in the ingredients of the cable materials have impurities, and if the mesh number of the filter screen is too high, large pressure is generated at a die head, so that the temperature of the die head rises too fast, so that the sticky particle problem is caused.

(II) technical scheme

In order to achieve the purposes of reducing the sticky particle phenomenon in the cable material processing process and improving the product quality, the invention provides the following technical scheme: a novel non-sticky particle lower-order twin-screw extruder for cable material production comprises an extruder body, wherein a material cylinder is fixedly mounted at the top of the extruder body, an extrusion cavity is formed in the material cylinder, a conveying cylinder is fixedly mounted at the top of the material cylinder, a conveying groove is formed in the right side of the conveying cylinder, a hopper communicated with the conveying groove is fixedly mounted at the top of the conveying cylinder, a conveying motor is fixedly connected to the left side of the conveying cylinder, an output shaft of the conveying motor is fixedly connected with a conveying auger which penetrates through the conveying cylinder and extends into the conveying groove, an L-shaped discharging pipe which is positioned on the right side of the conveying cylinder is slidably connected to the top of the material cylinder, an L-shaped bent hole is formed in the L-shaped discharging pipe, a first filter screen is fixedly mounted in the L-shaped bent hole, connecting blocks are fixedly connected to the tops of the conveying cylinder and the L-shaped, the external thread of the threaded rod is connected with a fastening nut positioned on the right side of the right connecting block, two extrusion screws are rotationally connected in the extrusion cavity, an annular cooling pipe is fixedly connected outside the charging barrel, a cooling water tank is movably connected on the left side of the machine body, the bottom of the annular cooling pipe is fixedly connected with a drain pipe communicated with a cooling water tank, the top of the cooling water tank is fixedly connected with a circulating water pump, a water inlet of the circulating water pump is fixedly connected with a water pumping pipe which penetrates through the cooling water tank and extends into the cooling water tank, the water outlet of the circulating water pump is fixedly connected with a water inlet pipe communicated with the annular cooling pipe, the front side of the charging barrel is fixedly provided with a temperature monitoring probe positioned on the left side of the annular cooling pipe, the left side of the charging barrel is movably connected with a machine head, an extrusion hole is formed in the machine head, and a second filter screen is movably connected between the machine head and the charging barrel.

Preferably, a control panel is fixedly mounted on the front side of the machine body, and a gearbox located on the right side of the charging barrel is fixedly mounted on the top of the machine body.

Preferably, the outer diameter of the conveying cylinder is equal to that of the L-shaped blanking pipe, the aperture of the conveying groove is equal to that of the L-shaped bent hole, an annular groove is formed in the left side of the conveying cylinder, and a sealing rubber strip matched with the annular groove is fixedly connected to the right side of the L-shaped blanking pipe.

Preferably, the front side of the hopper is fixedly provided with a window which runs through the hopper and extends into the hopper, the top of the charging barrel is provided with a chute matched with the L-shaped blanking pipe, the left side of the chute is provided with a blanking hole communicated with the extrusion cavity, and the L-shaped bent hole is communicated with the extrusion cavity through the blanking hole.

Preferably, the bottom of the conveying cylinder and the bottom of the L-shaped discharging pipe are fixedly connected with fixing blocks, and the left side of the fixing block is fixedly connected with a limiting pin penetrating through the fixing block on the left side.

Preferably, the mesh number of the first filter screen is smaller than that of the second filter screen, the annular cooling pipe is positioned on the left side of the extrusion screw, and the inner wall of the annular cooling pipe is in close contact with the charging barrel.

Preferably, cooling water tank bottom and bottom of the body parallel and level, the quantity is seted up at cooling water tank top and is three radiating groove, cooling water tank front side fixed mounting has quantity to be three radiator fan.

Preferably, the inlet tube is fixedly connected with the top of the right side of the annular cooling tube, and the conveying motor, the circulating water pump and the temperature monitoring probe are electrically connected with the control panel.

Preferably, the feed cylinder passes through flange and aircraft nose swing joint, the constant head tank that quantity is two is seted up on the aircraft nose right side, feed cylinder left side fixedly connected with pegs graft to the locating pin in the constant head tank, all set up the mounting groove with second filter screen looks adaptation in feed cylinder and the aircraft nose.

(III) advantageous effects

Compared with the prior art, the invention provides a novel lower-order double-screw extruder without sticking particles for cable material production, which has the following beneficial effects:

1. this production of cable material is with novel lower rank twin-screw extruder of on-stick grain, collect the mixed material fuse-element that the twin-screw extruder of upper rank processed through the hopper, then the fuse-element removes to L shape unloading pipe under the promotion of conveyor motor and defeated material auger, because the intraductal fixed mounting of L shape unloading has first filter screen, make impurity in the fuse-element can be intercepted, avoid impurity to pile up second filter screen department, cause the aircraft nose high temperature, lead to the product clay grain, because L shape unloading pipe and feed cylinder sliding connection, and through the connecting block, threaded rod and fastening nut are connected with the transport cylinder, make the user can dismantle L shape unloading pipe fast, and wash the first filter screen of inside, make things convenient for next use.

2. This cable material production is with novel lower rank twin-screw extruder of on-stick grain, through setting up temperature monitoring probe, make the user can be real-time observe the temperature condition of aircraft nose on control panel, when the aircraft nose temperature is higher, the user can control circulating water pump work, make the coolant liquid in the circulating water pump extraction cooling water tank get into near the temperature of aircraft nose in the annular cooling water tank and cool down, then follow the interior heat dissipation of drain pipe flow back cooling water tank again, thereby can avoid appearing the condition that the aircraft nose temperature rises excessively fast and cause the on-stick grain.

Drawings

FIG. 1 is a schematic structural view of a novel lower-stage twin-screw extruder for producing a non-sticky pellet for cable materials, which is provided by the invention;

FIG. 2 is a partial cross-sectional view of a novel non-sticky particle lower-stage twin-screw extruder for cable material production according to the present invention;

fig. 3 is a partially enlarged schematic view of a part a shown in fig. 2 of a novel lower-stage twin-screw extruder without sticking particles for producing a cable material, which is provided by the invention.

In the figure: the device comprises a machine body 1, a material cylinder 2, an extrusion cavity 3, a conveying cylinder 4, a conveying groove 5, a hopper 6, a conveying motor 7, a conveying auger 8, a blanking pipe 9L, a bent hole 10L, a first filter screen 11, a connecting block 12, a threaded rod 13, a fastening nut 14, an extrusion screw 15, an annular cooling pipe 16, a cooling water tank 17, a drainage pipe 18, a circulating water pump 19, a water pumping pipe 20, a water inlet pipe 21, a temperature monitoring probe 22, a machine head 23, an extrusion hole 24 and a second filter screen 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a novel lower-order twin-screw extruder without sticking granules for producing cable materials comprises a machine body 1, a control panel is fixedly installed on the front side of the machine body 1, a charging barrel 2 is fixedly installed on the top of the machine body 1, a gearbox located on the right side of the charging barrel 2 is fixedly installed on the top of the machine body 1, an extrusion cavity 3 is formed in the charging barrel 2, a conveying barrel 4 is fixedly installed on the top of the charging barrel 2, a conveying groove 5 is formed in the right side of the conveying barrel 4, a hopper 6 communicated with the conveying groove 5 is fixedly installed on the top of the conveying barrel 4, a window penetrating through the hopper 6 and extending into the hopper 6 is fixedly installed on the front side of the hopper 6, a conveying motor 7 is fixedly connected on the left side of the conveying barrel 4, a conveying auger 8 penetrating through the conveying barrel 4 and extending into the conveying groove 5 is fixedly connected to, the top of the charging barrel 2 is provided with a chute matched with the L-shaped blanking pipe 9, the left side of the chute is provided with a blanking hole communicated with the extrusion cavity 3, the outer diameter of the conveying barrel 4 is equal to the outer diameter of the L-shaped blanking pipe 9, the bottoms of the conveying barrel 4 and the L-shaped blanking pipe 9 are both fixedly connected with fixed blocks, the left side of the right fixed block is fixedly connected with a limit pin penetrating through the left fixed block, the L-shaped blanking pipe 9 is internally provided with an L-shaped bent hole 10, the aperture of the conveying groove 5 is equal to the aperture of the L-shaped bent hole 10, the L-shaped bent hole 10 is communicated with the extrusion cavity 3 through the blanking hole, the left side of the conveying barrel 4 is provided with an annular groove, the right side of the L-shaped blanking pipe 9 is fixedly connected with a sealing rubber strip matched with the annular groove, a first filter screen 11 is fixedly arranged in the L-shaped bent hole 10, the top of the conveying barrel 4 and the top of, the threaded rod 13 is in threaded connection with a fastening nut 14 positioned on the right side of the right connecting block 12 through an external thread, two extrusion screw rods 15 are rotatably connected in the extrusion cavity 3, the outer part of the charging barrel 2 is fixedly connected with an annular cooling pipe 16, the annular cooling pipe 16 is positioned on the left side of the extrusion screw rods 15, the inner wall of the annular cooling pipe 16 is in close contact with the charging barrel 2, the left side of the machine body 1 is movably connected with a cooling water tank 17, the bottom of the cooling water tank 17 is flush with the bottom of the machine body 1, the top of the cooling water tank 17 is provided with three cooling grooves, three cooling fans are fixedly arranged on the front side of the cooling water tank 17, the bottom of the annular cooling pipe 16 is fixedly connected with a drain pipe 18 communicated with the cooling water tank 17, the top of the cooling water tank 17 is fixedly connected with a circulating water pump 19, a water inlet of the circulating water pump 19 is, inlet tube 21 and 16 right sides top fixed connection of annular cooling pipe, 2 front side fixed mounting of feed cylinder have and are located the left temperature monitoring probe 22 of annular cooling pipe 16, conveying motor 7, circulating water pump 19 and temperature monitoring probe 22 all are connected with the control panel electricity, 2 left sides swing joint of feed cylinder has aircraft nose 23, feed cylinder 2 passes through flange and aircraft nose 23 swing joint, the constant head tank that quantity is two is seted up on aircraft nose 23 right side, 2 left sides fixedly connected with of feed cylinder pegs graft to the locating pin in the constant head tank, extrusion orifice 24 has been seted up in aircraft nose 23, swing joint has second filter screen 25 between aircraft nose 23 and the feed cylinder 2, the mesh number of first filter screen 11 is less than the mesh number of second filter screen 25, all set up the mounting groove with second filter screen 25 looks adaptation in feed cylinder 2 and the aircraft.

When the device is used, a mixed material melt processed by an upper-stage double-screw extruder is collected through the hopper 6, then the melt moves towards the L-shaped blanking pipe 9 under the pushing of the conveying motor 7 and the conveying auger 8, because the first filter screen 11 is fixedly arranged in the L-shaped blanking pipe 9, impurities in the melt can be intercepted, and the situation that the temperature of the machine head 23 is too high and the product is sticky due to the fact that the impurities are accumulated at the position of the second filter screen 25 is avoided, because the L-shaped blanking pipe 9 is in sliding connection with the charging barrel 2 and is connected with the conveying barrel 4 through the connecting block 12, the threaded rod 13 and the fastening nut 14, a user can rapidly detach the L-shaped blanking pipe 9 1 and clean the first filter screen 11 inside, the device is convenient to use next time, through the temperature monitoring probe 22, the user can observe the temperature condition of the machine head 23 on a control panel in real time, when the temperature of the machine head 23 is, the user can control the work of circulating water pump 19, makes the coolant liquid in circulating water pump 19 extraction cooling water tank 17 get into annular cooling pipe 16 and cool down to the temperature near aircraft nose 23, then flows back to cooling water tank 17 along drain pipe 18 and dispels the heat in to the condition that the aircraft nose 23 temperature rises excessively fast and cause the clay can be avoided appearing.

In conclusion, the novel lower-order double-screw extruder without sticking granules for producing the cable material collects a mixed material melt processed by the upper-order double-screw extruder through the hopper 6, then the melt moves towards the L-shaped blanking pipe 9 under the pushing of the conveying motor 7 and the conveying auger 8, because the first filter screen 11 is fixedly arranged in the L-shaped blanking pipe 9, impurities in the melt can be intercepted, the phenomenon that the impurities are accumulated at the position of the second filter screen 25 to cause the overhigh temperature of the head 23 and cause the sticking granules of a product is avoided, because the L-shaped blanking pipe 9 is slidably connected with the charging barrel 2 and is connected with the conveying barrel 4 through the connecting block 12, the threaded rod 13 and the fastening nut 14, a user can rapidly detach 1 the L-shaped blanking pipe 9 and clean the first filter screen 11 inside, the novel lower-order double-screw extruder is convenient to use next time, and through the temperature monitoring probe 22, the user can observe the temperature condition of the head 23 on a control panel in real time, when aircraft nose 23 temperature is higher, the user can control circulating water pump 19 work, make circulating water pump 19 extract in the cooling water tank 17 the coolant liquid get into annular cooling pipe 16 in and cool down near aircraft nose 23 temperature, then follow drain pipe 18 and flow back to and dispel the heat in the cooling water tank 17, thereby can avoid appearing aircraft nose 23 temperature too fast the rising condition that causes the clay, the phenomenon of clay has appeared easily when having solved present cable material production, mainly do not change the filter screen for a long time and cause the bush pressure too high, the bush temperature rises too fast, thereby produce the phenomenon of clay, filler and some auxiliaries have impurity in the batching of cable material in addition, can produce great pressure in die head department if the filter screen mesh is too high, thereby make the too fast rising of die head temperature cause the problem of clay.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.