Cable tube rapid extrusion device

Abstract

The present invention provides a cable tube rapid extrusion device, relating to the field of cable tube extrusion, and comprising: a device main body, a cabinet body, a drive motor, rotary sleeves, internally threaded cylinders, insertion rods, an extrusion engagement cover, extrusion inner molds and extrusion outer cylinder molds. Two screw conveyor augers are mounted within the device main body, rotary shafts of the two screw conveyor augers are tubular structures, a semicircular arc structure of the device main body and a semicircular arc structure of an engagement cover form circular discharge channels, the extrusion engagement cover is connected to outer sides of the circular discharge channels by means of bolts, inner ends of the insertion rods are inserted into other ends of the tubular structures of the screw conveyor auger rotary shafts, the extrusion inner molds are mounted at outer ends of the insertion rods, two discharge cylinders are arranged on the extrusion engagement cover, and the extrusion outer cylinder molds are screwed on outer threads of the discharge cylinders by means of threads. The size of MPP cable tubes can be changed during extrusion, the cable tubes can be pre-cooled, and the problems that extrusion efficiency is low, the size of extruded cable tubes cannot be changed according to requirements, and cooling is too fast are solved.

Description

A cable tube rapid extrusion equipment Technical Field

[0001] The present invention relates to the technical field of cable tube extrusion, in particular to a fast extrusion device for cable tubes. Background Art

[0002] Cable tube refers to a protective tube laid on the outer layer of a cable to prevent damage. The production of cable tube usually requires an extruder. However, cable tubes are currently usually extruded through a single extrusion channel, which is relatively inefficient. Furthermore, the size of the extruded cable tube cannot be changed as needed during extrusion, making it inconvenient to use. Furthermore, the extruded cable tube needs to be immersed in water for cooling, which can easily cause the cable tube to cool too quickly and break or form bubbles.

[0003] Summary of the Invention

[0004] In view of this, the present invention provides a cable tube rapid extrusion device, which can improve the efficiency of MPP cable tubes, and can easily change the size of MPP cable tubes during extrusion, and can also pre-cool the cable tubes through the cooling inner cavity and the cooling rear cavity.

[0005] The present invention provides a cable tube rapid extrusion device, which specifically includes: a device body, a cabinet, a drive motor, a rotating sleeve, an internal threaded barrel, an insert rod, an extrusion buckle cover, an extrusion inner die, and an extrusion outer barrel die;

[0006] The main body of the equipment is installed on the cabinet, and two groups of spiral conveying augers are installed in the main body of the equipment, and a buckle cover is connected to the main body of the equipment by bolts. The rotating shafts of the two groups of spiral conveying augers are tubular structures, and one end of the rotating shaft of the spiral conveying augers passes through the main body of the equipment and is connected to one end of the buckle cover with a linkage gear. The driving motor is installed in the middle of one end of the cabinet, and a driving gear is installed on the motor shaft of the driving motor, and the driving gear is respectively engaged with the two groups of linkage gears. The other end of the main body of the equipment and the buckle cover are respectively spaced apart into semi-circular arc structures, and the semi-circular arc structure of the main body of the equipment and the semi-circular arc structure of the buckle cover respectively form circular discharge channels, and the extrusion buckle cover is connected to the outside of the circular discharge channel by bolts, and the outer ends of the semi-circular arc structures of the buckle cover are respectively provided with insertion ports, and the rotating sleeves are provided with two groups, and the two groups of rotating sleeves are divided The cam is connected to the screw threaded rod by a threaded connection, and the internal threaded cylinder is connected to the threaded rod by a threaded connection. The two groups of rotating sleeves are respectively mounted on the other end of the spiral conveying auger shaft, and the internal threaded cylinders are respectively inserted into the insertion ports on the buckle cover. The inner end of the insertion rod is inserted into the other end of the tubular structure of the spiral conveying auger shaft, and the extrusion inner mold is installed on the outer end of the insertion rod. The extrusion buckle cover is provided with two groups of discharge barrels, the extrusion outer cylinder mold is screwed on the external thread of the discharge barrel by a thread, and the extrusion inner mold is placed on the inner side of the extrusion outer cylinder mold. The insertion rod is also provided with a side L-shaped perforation, and a plastic insertion barrel is tightly inserted. The plastic insertion barrel is provided with two groups of through holes. The top ends of the two groups of through holes are respectively connected to a water inlet pipe 1 and a water outlet pipe 1. The water inlet pipe 1 and the water outlet pipe 1 pass upward through the notch at the top of the extrusion buckle cover and are bent and connected to a quick connector.

[0007] Optionally, the inner ends of the semicircular arc structures between the equipment body and the buckle cover are inclined structures, and the other ends of the two sets of spiral conveying augers are respectively placed in the semicircular arc structures of the equipment body.

[0008] Optionally, two sets of limit plates and a set of operating hand wheels are connected to the internal threaded barrel, and the limit plates are respectively arranged on the upper and lower sides of the insertion port.

[0009] Optionally, a connecting plate is further provided on the insertion rod, and a hole for a hexagon socket bolt is provided on the connecting plate, and the connecting plate is connected to the rotating sleeve via the hexagon socket bolt.

[0010] Optionally, the inner diameter of the discharge barrel is the same as the inner diameter of the circular discharge channel.

[0011] Optionally, an internal threaded hole is provided in the middle of the extrusion inner mold, and is connected to the threaded structure at the outer end of the insert rod through the internal threaded hole, and the outer end of the plastic insert is inserted into the cooling inner cavity of the extrusion inner mold and is sealed by a rubber ring, and the outer ends of the two groups of through holes inside the plastic insert are connected to the cooling inner cavity, one end of the extrusion inner mold is a conical structure, and the other end is a circular structure, and the cooling inner cavity is arranged on the inner side of the circular structure.

[0012] Optionally, the extrusion outer cylinder mold has a large circular ring structure at one end, a conical cylinder structure in the middle, and a small circular ring structure at the other end. The inner side of the large circular ring structure is provided with an internal thread, and the outer end of the circular structure of the extrusion inner mold is flush with the outer end of the small circular ring structure of the extrusion outer cylinder mold.

[0013] A cooling rear cavity is provided inside the small circular ring of the extrusion outer cylinder mold, and the bottom side of the cooling rear cavity is connected to a second water inlet pipe, and the top side is connected to a second water outlet pipe, and both the second water inlet pipe and the second water outlet pipe are bent and connected with a quick connector. Beneficial effects

[0014] The present invention can improve the efficiency of the MPP cable pipe, can conveniently change the size of the MPP cable pipe during extrusion, and can also pre-cool the cable pipe through the cooling inner cavity and the cooling rear cavity.

[0015] In addition, by setting up two sets of circular discharge channels and two sets of discharge barrels on the extrusion buckle cover, and using a set of drive motors to drive the two sets of spiral conveying augers to rotate, the material can be extruded through the two sets of circular discharge channels at the same time, thereby improving the efficiency of the MPP cable pipe.

[0016] In addition, by inserting the connecting rod and threading the extrusion inner mold to the outer end of the insert rod, and also by threading the extrusion outer cylinder mold on the discharge cylinder, when the MPP cable tube is extruded through two sets of discharge channels, the extrusion inner mold can be replaced as needed to change the outer diameter and wall thickness of the MPP cable tube. The extrusion outer cylinder mold can also be replaced as needed to change the outer diameter and wall thickness of the MPP cable tube, thereby making it convenient to change the size when the MPP cable tube is extruded.

[0017] In addition, by providing a cooling inner cavity and a cooling rear cavity, the cable tube can be pre-cooled during extrusion, thereby preventing the extruded cable tube from being directly inserted into water for cooling, thereby preventing breakage or bubbles from occurring. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments are briefly introduced below.

[0019] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0020] In the attached figure:

[0021] FIG1 shows a schematic diagram of the overall structure of the present invention;

[0022] FIG2 shows a schematic diagram of the structure of the present invention from the left side in FIG1 as viewed from above;

[0023] FIG3 shows a schematic structural diagram of the extrusion inner mold and the extrusion outer cylinder mold in FIG1 of the present invention when they are removed;

[0024] FIG4 shows a schematic diagram of the structure from the left side perspective in FIG3 of the present invention;

[0025] FIG5 shows a schematic structural diagram of the extrusion inner mold in FIG1 of the present invention after vertical sectioning and connected to the insertion rod;

[0026] FIG6 shows a schematic structural diagram of the present invention when the extrusion buckle cover in FIG3 is removed;

[0027] FIG7 shows a schematic structural diagram of FIG6 of the present invention when the insertion rod is removed;

[0028] FIG8 shows a schematic structural diagram of the present invention when the rotating sleeve and the internal threaded barrel in FIG7 are removed;

[0029] FIG9 shows a schematic structural diagram of the internal threaded barrel in FIG8 when it is rotated out of the threaded rod;

[0030] FIG10 shows a schematic structural diagram of the buckle cover in FIG8 when it is removed from the device body of the present invention;

[0031] FIG11 is a schematic diagram showing the structure of the buckle cover in FIG10 from a side view;

[0032] FIG12 shows a schematic structural diagram of a vertical section of one end of the extrusion outer cylinder die in FIG3 of the present invention.

[0033] List of reference numerals 1. Equipment body; 101. Screw conveying auger; 1011. Linking gear; 102. Buckle cover; 1021. Insertion port; 2. Cabinet; 3. Drive motor; 301. Drive gear; 4. Rotary sleeve; 401. Threaded rod; 5. Internally threaded barrel; 501. Limiting plate; 502. Operating handwheel; 6. Insert rod; 601. Connecting plate; 602. Plastic insert barrel; 603. Water inlet pipe 1; 604. Water outlet pipe 1; 7. Extrusion buckle cover; 701. Discharge barrel; 8. Extrusion inner mold; 801. Cooling inner cavity; 9. Extrusion outer barrel mold; 901. Cooling rear cavity; 902. Water inlet pipe 2; 903. Water outlet pipe 2. DETAILED DESCRIPTION

[0034] In order to make the purpose, scheme and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the common meanings in the art. The same reference numerals in the drawings represent the same components.

[0035] Example: Please refer to Figures 1 to 12:

[0036] The present invention proposes a cable tube rapid extrusion device, comprising: a device body 1, a cabinet 2, a drive motor 3, a rotating sleeve 4, an internal threaded barrel 5, an insert rod 6, an extrusion buckle cover 7, an extrusion inner die 8, and an extrusion outer barrel die 9;

[0037] The device body 1 is installed on the cabinet 2. Two sets of spiral conveying screw dragons 101 are installed in the device body 1. A buckle cover 102 is connected to the device body 1 by bolts. The rotating shafts of the two sets of spiral conveying screw dragons 101 are tubular structures, and one end of the rotating shaft of the spiral conveying screw dragon 101 passes through the device body 1 and is connected to a linkage gear 1011 at one end of the buckle cover 102. The drive motor 3 is installed in the middle of one end of the cabinet 2. A drive gear 301 is installed on the motor shaft of the drive motor 3, and the drive gear 301 is respectively engaged with the two sets of linkage gears 1011. The device body 1 The other end of the buckle cover 102 is spaced apart by a semicircular structure. The semicircular structure of the equipment body 1 and the semicircular structure of the buckle cover 102 respectively form a circular discharge channel, and the extrusion buckle cover 7 is connected to the outside of the circular discharge channel by bolts. The outer ends of the semicircular structures of the buckle cover 102 are respectively provided with insertion ports 1021. There are two groups of rotating sleeves 4, and the two groups of rotating sleeves 4 are respectively connected to the threaded rod 401. The internal threaded barrel 5 is connected to the threaded rod 401 through a thread. The two groups of rotating sleeves 4 are respectively set on the other end of the rotating shaft of the spiral conveying auger 101, and the internal threaded barrel 5 is respectively inserted into Insert it into the insertion port 1021 on the buckle cover 102, the inner end of the insertion rod 6 is inserted into the other end of the tubular structure of the rotating shaft of the spiral conveying auger 101, and the extrusion inner mold 8 is installed on the outer end of the insertion rod 6, and two groups of discharge barrels 701 are provided on the extrusion buckle cover 7. The extrusion outer barrel mold 9 is screwed on the external thread of the discharge barrel 701 through a thread, and the extrusion inner mold 8 is placed on the inner side of the extrusion outer barrel mold 9. The insertion rod 6 is also provided with a side L-shaped perforation, and is tightly interspersed with a plastic insertion barrel 602. The plastic insertion barrel 602 is provided with two groups of through holes running through it. The tops of the two groups of through holes are respectively connected to the water inlet pipes. 603 and the outlet pipe 604, the inlet pipe 603 and the outlet pipe 604 pass upward through the notch at the top of the extruded buckle cover 7 and are bent and connected with a quick connector. The cooling water pipe is connected through the quick connector at the outer end of the inlet pipe 603, and the water pipe is connected through the quick connector at the outer end of the outlet pipe 604. The cooling water enters the cooling inner cavity 801 through the through holes in the inlet pipe 603 and the plastic insert 602 to pre-cool the inside of the formed cable tube. The cooling water in the cooling inner cavity 801 can also flow back to the outlet pipe 604 through another set of through holes and flow out through the water pipe.

[0038] As shown in Figures 10 and 11, the inner ends of the semicircular arc structure intervals on the equipment body 1 and the buckle cover 102 are inclined structures, and the other ends of the two sets of spiral conveying augers 101 are respectively placed in the semicircular arc structure of the equipment body 1, so that when the material is extruded, it can smoothly enter the circular discharge channel under the action of the inclined structure at the inner end of the semicircular arc structure interval.

[0039] As shown in Figures 6 to 9, two sets of limiting plates 501 and a set of operating hand wheels 502 are connected to the internal threaded barrel 5, and the limiting plates 501 are respectively arranged on the upper and lower sides of the insertion port 1021. When the internal threaded barrel 5 is inserted into the insertion port 1021 on the buckle cover 102, it is convenient to position the internal threaded barrel 5 and the buckle cover 102 through the two sets of limiting plates 501, and it is also convenient to rotate the internal threaded barrel 5 through the operating hand wheel 502.

[0040] As shown in Figure 7, the insertion rod 6 is also provided with a connecting plate 601, which is provided with a hexagon socket bolt through-hole and is connected to the rotating sleeve 4 through the hexagon socket bolt, so that the insertion rod 6 can be connected to the rotating sleeve 4 to prevent the insertion rod 6 from rotating when the spiral conveying auger 101 rotates.

[0041] As shown in FIG3 and FIG6 , the inner diameter of the discharge barrel 701 is the same as the inner diameter of the circular discharge channel. When the material is extruded, it can enter the discharge barrel 701 through the circular discharge channel.

[0042] As shown in Figures 3 to 5, an internal threaded hole is provided in the middle of the extrusion inner mold 8, and is connected to the threaded structure at the outer end of the insertion rod 6 through the internal threaded hole, and the outer end of the plastic insert 602 is inserted into the cooling inner cavity 801 of the extrusion inner mold 8 and is sealed by a rubber ring, and the outer ends of the two groups of through holes inside the plastic insert 602 are connected to the cooling inner cavity 801. One end of the extrusion inner mold 8 is a conical structure, and the other end is a circular structure, and the cooling inner cavity 801 is arranged on the inner side of the circular structure, which is convenient for removing and replacing the extrusion inner mold 8 from the threaded structure at the outer end of the insertion rod 6 as needed. At the same time, the tapered structure of the inner end of the extrusion inner mold 8 can be used to make the material of the MPP cable tube be extruded along the tapered structure during extrusion.

[0043] As shown in Figures 3 and 4, one end of the extrusion outer cylinder mold 9 is a large circular ring structure, the middle is a conical cylinder structure, and the other end is a small circular ring structure. The inner side of the large circular ring structure is provided with an internal thread, and the outer end of the circular structure of the extrusion inner mold 8 is flush with the outer end of the small circular ring structure of the extrusion outer cylinder mold 9. A cooling rear cavity 901 is provided inside the small circular ring of the extrusion outer cylinder mold, and the bottom side of the cooling rear cavity 901 is connected to a water inlet pipe 902, and the top side is connected to a water outlet pipe 903, and the water inlet pipe 902 and the water outlet pipe 903 are both bent and connected. It is equipped with a quick connector, which makes it easy to remove and replace the extrusion outer cylinder mold 9 from the discharge cylinder 701 as needed. The conical cylinder structure of the extrusion outer cylinder mold 9 is used to push all the materials to the small ring end of the extrusion outer cylinder mold 9 for extrusion. The cooling water pipe is connected through the quick connector at the outer end of the water inlet pipe 902, and the water pipe is connected through the quick connector at the outer end of the water outlet pipe 903. The cooling water enters the cooling rear cavity 901 to pre-cool the outside of the formed cable pipe. The cooling water can also flow out of the cooling rear cavity 901 through the water outlet pipe 903.

[0044] Specific usage and function of this embodiment: In the present invention, the internal threaded barrel 5 is connected to the threaded rod 401 through a thread, and the rotating sleeve 4 is respectively mounted on the other end of the rotating shaft of the spiral conveying auger 101, and the internal threaded barrel 5 is respectively inserted into the insertion port 1021 on the buckle cover 102, so that the limit plate 501 is respectively placed on the upper and lower sides of the insertion port 1021, and the inner end of the insertion rod 6 is inserted into the other end of the tubular structure of the rotating shaft of the spiral conveying auger 101, and the connecting plate 601 is connected to the rotating sleeve 4 through the inner hexagonal bolt. Connect the extrusion buckle cover 7 to the outside of the circular discharge channel with bolts, select the appropriate extrusion inner mold 8 and extrusion outer cylinder mold 9 as needed, connect the extrusion inner mold 8 to the threaded structure at the outer end of the plug rod 6 through the internal threaded hole, screw the internal thread inside the large circular ring structure of the extrusion outer cylinder mold 9 to the external thread of the discharge barrel 701, connect the cooling water pipe to the quick connector at the outer end of the water inlet pipe 1 603 and the water inlet pipe 2 902 respectively, and connect the water pipe to the quick connector at the outer end of the water outlet pipe 1 604 and the water outlet pipe 2 903 respectively;

[0045] The material is fed into the feed hopper on the buckle cover 102, and the driving motor 3 drives the driving gear 301 to rotate, and the engagement of the driving gear 301 with the two sets of linkage gears 1011 is used to drive the two sets of spiral conveying augers 101 to rotate, and the material is extruded through the two sets of circular discharge channels at the same time, and under the action of the extrusion outer cylinder mold 9 and the extrusion inner mold 8, the MPP cable pipe that meets the requirements is extruded to improve the efficiency of the extruder. During the extrusion process, the extruded cable pipe is pre-cooled by the cooling inner cavity 801 and the cooling rear cavity 901 respectively, and the extrusion inner mold 8 can be replaced as needed to change the outer diameter and wall thickness of the MPP cable pipe. The extrusion outer cylinder mold 9 can also be replaced as needed to change the outer diameter and wall thickness of the MPP cable pipe, thereby facilitating the size change when the MPP cable pipe is extruded.

[0046] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the scope of protection of the present invention. The scope of protection of the present invention is determined by the appended claims.

Claims

1. A cable tube rapid extrusion device, characterized in that: include: Equipment body (1), cabinet (2), driving motor (3), rotating sleeve (4), internal threaded cylinder (5), insert rod (6), extrusion buckle cover (7), extrusion inner mold (8) and extrusion outer cylinder mold (9); The device body (1) is mounted on a cabinet (2), two groups of spiral conveying augers (101) are mounted in the device body (1), and a buckle cover (102) is connected to the device body (1) via bolts, the rotating shafts of the two groups of spiral conveying augers (101) are tubular structures, and one end of the rotating shaft of the spiral conveying augers (101) passes through the device body (1) and is connected to a linkage gear (1011) at one end of the buckle cover (102), the driving motor (3) is mounted in the middle of one end of the cabinet (2), and a driving gear (1011) is mounted on the motor shaft of the driving motor (3). The driving gear (301) is meshed with two sets of linkage gears (1011) respectively, the other end of the device body (1) and the buckle cover (102) are spaced apart to form a semicircular arc structure, the semicircular arc structure of the device body (1) and the semicircular arc structure of the buckle cover (102) respectively form a circular discharge channel, and the extrusion buckle cover (7) is connected to the outer side of the circular discharge channel by bolts, and the outer ends of the semicircular arc structure of the buckle cover (102) are respectively provided with insertion ports (1021), and the rotating sleeve (4) is provided with two sets, and the two sets of rotating sleeves (4) are respectively provided with The inner threaded tube (5) is connected to the threaded rod (401) by threads, the two sets of rotating sleeves (4) are respectively mounted on the other end of the rotating shaft of the spiral conveying auger (101), and the inner threaded tubes (5) are respectively inserted into the insertion openings (1021) on the buckle cover (102), the inner end of the insertion rod (6) is inserted into the other end of the tubular structure of the rotating shaft of the spiral conveying auger (101), and the extrusion inner mold (8) is installed on the outer end of the insertion rod (6), and the extrusion buckle cover (7) is provided with two sets of discharge tubes (701), The outer cylinder mold (9) is screwed onto the outer thread of the discharge cylinder (701) through a thread, and the extrusion inner mold (8) is placed on the inner side of the extrusion outer cylinder mold (9). The insertion rod (6) is also provided with a side L-shaped through-hole, and is tightly inserted with a plastic insertion cylinder (602). The inside of the plastic insertion cylinder (602) is provided with two groups of through holes, and the top ends of the two groups of through holes are respectively connected to a water inlet pipe 1 (603) and a water outlet pipe 1 (604). The water inlet pipe 1 (603) and the water outlet pipe 1 (604) pass upward through the notch at the top end of the extrusion buckle cover (7) and are bent and connected to a quick connector.

2. The cable tube rapid extrusion equipment according to claim 1, characterized in that: The inner ends of the semicircular arc structures between the equipment body (1) and the buckle cover (102) are inclined structures, and the other ends of the two sets of spiral conveying augers (101) are respectively placed in the semicircular arc structures of the equipment body (1).

3. The cable tube rapid extrusion equipment according to claim 1, characterized in that: The internally threaded cylinder (5) is connected to two groups of limiting plates (501) and a group of operating hand wheels (502), and the limiting plates (501) are respectively arranged on the upper and lower sides of the insertion port (1021).

4. The cable tube rapid extrusion equipment according to claim 1, characterized in that: The insert rod (6) is also provided with a connecting plate (601), and the connecting plate (601) is provided with a hexagon socket bolt through hole and is connected to the rotating sleeve (4) via the hexagon socket bolt.

5. The cable tube rapid extrusion equipment according to claim 1, characterized in that: The inner diameter of the discharge cylinder (701) is the same as the inner diameter of the circular discharge channel.

6. The cable tube rapid extrusion equipment according to claim 4, characterized in that: The front end of the extrusion inner mold (8) is provided with an internal threaded hole, and is connected to the threaded structure at the outer end of the insertion rod (6) through the internal threaded hole, and the outer end of the plastic insert (602) is inserted into the cooling inner cavity (801) of the extrusion inner mold (8) and is sealed by a rubber ring, and the outer ends of the two groups of through holes inside the plastic insert (602) are connected to the cooling inner cavity (801), one end of the extrusion inner mold (8) is a conical structure, and the other end is a circular structure, and the cooling inner cavity (801) is arranged on the inner side of the circular structure.

7. The cable tube rapid extrusion equipment according to claim 6, characterized in that: The extrusion outer cylinder die (9) has a large circular ring structure at one end, a conical cylinder structure in the middle, and a small circular ring structure at the other end. The inner side of the large circular ring structure is provided with an internal thread, and the outer end of the circular structure of the extrusion inner die (8) is flush with the outer end of the small circular ring structure of the extrusion outer cylinder die (9).

8. The cable tube rapid extrusion device according to claim 7, characterized in that: A cooling rear cavity (901) is provided inside the small circular ring of the extrusion outer cylinder mold, and the bottom side of the cooling rear cavity (901) is connected to a second water inlet pipe (902), and the top side is connected to a second water outlet pipe (903), and both the second water inlet pipe (902) and the second water outlet pipe (903) are bent and connected with quick connectors.

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