Rapid heating device for extruder in optical cable production
By designing a fast heating device with a combination of multi-electric heating rods and steam heating in the extruder, the problem of uneven heating of plastic particles is solved, and uniform heating and efficient production in optical cable production are achieved.
Patent Information
- Application Number
- CN202411847771.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-04-08
AI Technical Summary
The existing extruder heating device heats the plastic particles unevenly, affecting the production quality of optical cables.
A rapid heating device for extruder production of optical cables is designed. The combination of multiple electric heating rods and steam heating means drive the rotation of the central cylinder and the electric heating rod through the second toothed ring to achieve uniform preheating of the plastic particles, and the feed barrel is insulated through the steam reuse mechanism.
The uniform heating of plastic particles is achieved, the quality and efficiency of optical cable production is improved, and the problem of uneven heating of traditional heating devices is solved.
Smart Images
Figure CN119773199A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the field of optical cable production, and in particular relates to a rapid heating device for an extruder in optical cable production. Background Art
[0002] In the optical cable production process, the extruder plays a vital role. It is responsible for evenly wrapping the molten plastic material around the optical cable core to form a tough protective sheath, thereby ensuring the stability and durability of the optical cable in various environments.
[0003] At present, most traditional extruder heating devices use conduction heating, which transfers heat from the heat source to the heated object through heat conduction. Although this method can meet the heating needs to a certain extent, it has the problem of uneven heating of plastic particles.
[0004] Therefore, a rapid heating device for an extruder in optical cable production is proposed, which can fully and evenly heat the plastic material. Summary of the invention
[0005] In order to overcome the problem of uneven heating of plastic particles by existing heating devices, a rapid heating device for an extruder in optical cable production is proposed.
[0006] The technical scheme of the present invention is: a rapid heating device for an extruder in the production of optical cables, comprising a bottom plate; a support block is fixedly connected to the upper end of the bottom plate, a heating cylinder is fixedly connected to the upper end of the support block, a first braking mechanism is arranged on the upper end of the bottom plate, a steam component is arranged on the right end of the bottom plate, an extrusion bucket is fixedly connected to the left end of the heating cylinder, a feed barrel is fixedly connected to the upper end of the extrusion bucket in a through-type manner, a feed tank is fixedly connected to the upper end of the feed barrel, a preheating box is fixedly connected to the upper end of the preheating box, a second gear ring is placed on the upper end of the preheating box, and a side wall of the preheating box is provided with a feed mechanism for the second gear ring. A second braking mechanism is provided for rotation, a center cylinder is fixedly connected to the inner wall of the second gear ring, second electric heating rods are evenly distributed and fixedly connected to the upper and lower ends of the center cylinder, a third support block is fixedly connected to the inner wall of the center cylinder, a mounting cylinder is threadedly installed on the inner wall of the third support block, a third electric heating rod is fixedly connected to the inner wall of the mounting cylinder, a fixing ring is evenly distributed and fixedly connected to the lower part of the side wall of the mounting cylinder, a fourth electric heating rod is evenly distributed and fixedly connected to the side wall of the fixing ring, a steam recycling mechanism is provided on the extrusion bucket, and the steam recycling mechanism is also installed on the side wall of the feed barrel.
[0007] Preferably, when in use, the plastic particles are put into the interior of the preheating box, and then the second brake mechanism is turned on to rotate the second gear ring, multiple second electric heating rods are turned on, the third electric heating rod is turned on, and multiple fourth electric heating rods are turned on. Since the second gear ring drives the central tube to rotate, it will drive the second electric heating rod, the third electric heating rod and the fixed ring to rotate, and the plastic particles placed in the preheating box will be preheated. The heated plastic particles will fall into the interior of the heating tube through the feed tank and the feed tube, and then the first brake mechanism is turned on to transport the plastic particles to the left. The steam component is turned on to introduce high-temperature steam into the first brake mechanism, which can heat the middle area of the plastic particles in the heating tube, and the hot steam will also keep the feed tube warm through the steam recycling mechanism, which solves the problem of uneven heating of plastic particles in the existing heating device.
[0008] Preferably, the second braking mechanism includes a second support block, a second motor and a second gear; the side wall of the preheating box is fixedly connected to the second support block, the upper end of the second support block is fixedly connected to the second motor, the upper end of the output shaft of the second motor is fixedly connected to the second gear, and the second gear and the second gear ring are meshed with each other.
[0009] Preferably, evenly distributed first electric heating rods are fixedly connected through the left and right ends of the heating cylinder, and the plurality of first electric heating rods are distributed in a circle.
[0010] Preferably, electric heating blocks are fixedly connected to both the front and rear ends of the heating tube, and the two electric heating blocks are symmetrical to each other about the center of the heating tube.
[0011] Preferably, the first braking mechanism includes a first support block, a first motor, a first gear, a rotating cylinder and a first gear ring; the first support block is fixedly connected to the upper end of the base plate, the first motor is fixedly connected to the inner wall of the first support block, the first gear is fixedly connected to the left end of the output shaft of the first motor, the rotating cylinder is rotatably installed in the center of the right end of the heating cylinder, the first gear ring is fixedly connected to the side wall of the rotating cylinder, the first gear ring and the first gear are meshed with each other, the side wall of the rotating cylinder is fixedly connected to an auger, and the auger is located inside the heating cylinder.
[0012] Preferably, the steam component includes a steam generator, an outlet pipe and a gas supply; a steam generator is provided at the right end of the base plate, one end of the outlet pipe is fixedly connected to the outlet port of the steam generator, and the gas supply is rotatably mounted on the outer wall of the other end of the outlet pipe, and one end of the gas supply is close to the heating cylinder and is fixedly connected to the right end of the rotating cylinder.
[0013] Preferably, the steam recycling mechanism includes a return air pipe, a first valve body and an insulation cylinder; the upper end of the extrusion bucket is fixedly connected with a return air pipe, the first valve body is arranged on the return air pipe, the side wall of the feed cylinder is fixedly connected with an insulation cylinder, the insulation cylinder is a hollow structure, one end of the return air pipe is rotatably mounted on the left end outer wall of the rotating cylinder, and the other end of the return air pipe passes through the side wall of the insulation cylinder and extends to the interior of the insulation cylinder.
[0014] Preferably, a second exhaust pipe is fixedly connected through the lower end of the heat preservation cylinder, and a third valve body is provided on the second exhaust pipe.
[0015] Preferably, a first exhaust pipe is fixedly connected to the lower end of the extrusion bucket, a second valve body is provided on the first exhaust pipe, and the upper end of the first exhaust pipe and the lower end of the return air pipe are connected to each other.
[0016] The beneficial effects of the present invention are as follows: by putting plastic particles into the interior of the preheating box, and then turning on the second brake mechanism to rotate the second gear ring, turning on multiple second electric heating rods, turning on the third electric heating rod, and turning on multiple fourth electric heating rods, the second gear ring drives the center tube to rotate, which will drive the second electric heating rod, the third electric heating rod and the fixed ring to rotate, and the plastic particles placed in the preheating box will be preheated, and the heated plastic particles will fall into the interior of the heating tube through the feed tank and the feed tube, and then turning on the first brake mechanism to transport the plastic particles to the left, turning on the steam component to introduce high-temperature steam into the first brake mechanism, so that the middle area of the plastic particles located in the heating tube can be heated, and the hot steam will also keep the feed tube warm through the steam recycling mechanism, thereby solving the problem of uneven heating of plastic particles in the existing heating device. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 Shown is a schematic diagram of the three-dimensional structure of the rapid heating device for an extruder for producing optical cables of the present invention; Figure 2 Shown is a schematic diagram of the three-dimensional structure of the first electric heating rod of the rapid heating device for the extruder for producing the optical cable of the present invention; Figure 3 Shown is a three-dimensional structural schematic diagram of the first braking mechanism of the rapid heating device for an extruder for producing optical cables of the present invention; Figure 4 Shown is a schematic diagram of a three-dimensional cross-sectional structure of a steam component of a rapid heating device for an extruder for producing optical cables of the present invention; Figure 5 Shown is a schematic diagram of a three-dimensional cross-sectional structure of an extrusion bucket of a rapid heating device for an extruder for producing optical cables of the present invention; Figure 6 Shown is a three-dimensional structural schematic diagram of a preheating box of a rapid heating device for an extruder for producing optical cables of the present invention; Figure 7 Shown is a three-dimensional structural schematic diagram of a heating mechanism of a rapid heating device for an extruder for producing optical cables of the present invention; Figure 8 Shown is a schematic diagram of the three-dimensional cross-sectional structure of a preheating box of a rapid heating device for an extruder for producing optical cables of the present invention.
[0018] The marks in the attached drawings are: 1, bottom plate; 2, support block; 3, heating cylinder; 4, first brake mechanism; 401, first support block; 402, first motor; 403, first gear; 404, rotating cylinder; 405, first gear ring; 5, steam assembly; 501, steam generator; 502, air outlet pipe; 503, gas transmission; 6, extrusion bucket; 601, air return pipe; 602, first valve body; 603, first exhaust pipe; 604, second valve body; 605, protection Temperature cylinder; 606, second exhaust pipe; 607, third valve body; 7, feed cylinder; 8, feed tank; 9, preheating box; 901, second support block; 902, second motor; 903, second gear; 10, first electric heating rod; 11, electric heating block; 12, auger; 13, second gear ring; 14, center cylinder; 15, second electric heating rod; 16, third support block; 17, mounting cylinder; 18, third electric heating rod; 19, fixing ring; 20, fourth electric heating rod. DETAILED DESCRIPTION
[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0020] See also Figure 1-Figure 8 The present invention provides an embodiment: a rapid heating device for an extruder for producing optical cables, comprising a bottom plate 1; a support block 2 is fixedly connected to the upper end of the bottom plate 1, a heating cylinder 3 is fixedly connected to the upper end of the support block 2, a first braking mechanism 4 is arranged at the upper end of the bottom plate 1, a steam component 5 is arranged at the right end of the bottom plate 1, an extrusion bucket 6 is fixedly connected to the left end of the heating cylinder 3, a feed barrel 7 is fixedly connected to the upper end of the extrusion bucket 6 in a through-type manner, a feed tank 8 is fixedly connected to the upper end of the feed barrel 7, a preheating box 9 is fixedly connected to the upper end of the feed tank 8, a second gear ring 13 is placed at the upper end of the preheating box 9, and a side wall of the preheating box 9 is provided with a rotation mechanism for the second gear ring 13 The second braking mechanism is movable, the inner wall of the second gear ring 13 is fixedly connected with a center tube 14, the upper and lower ends of the center tube 14 are through-fixed with evenly distributed second electric heating rods 15, the inner wall of the center tube 14 is fixedly connected with a third support block 16, the inner wall of the third support block 16 is threadedly installed with a mounting tube 17, the inner wall of the mounting tube 17 is fixedly connected with a third electric heating rod 18, the lower part of the side wall of the mounting tube 17 is fixedly connected with evenly distributed fixing rings 19, the side wall of the fixing ring 19 is fixedly connected with evenly distributed fourth electric heating rods 20, a steam recovery mechanism is provided on the extrusion bucket 6, and the steam recovery mechanism is also installed on the side wall of the feed tube 7.
[0021] When in use, the plastic particles are put into the preheating box 9, and then the second brake mechanism is turned on to rotate the second gear ring 13, multiple second electric heating rods 15 are turned on, the third electric heating rod 18 is turned on, and multiple fourth electric heating rods 20 are turned on. Since the second gear ring 13 drives the central tube 14 to rotate, it will drive the second electric heating rod 15, the third electric heating rod 18 and the fixed ring 19 to rotate, and the plastic particles placed in the preheating box 9 will be preheated. The heated plastic particles will fall into the interior of the heating tube 3 through the feeding tank 8 and the feeding tube 7, and then the first brake mechanism 4 is turned on to transport the plastic particles to the left, and the steam component 5 is turned on to introduce high-temperature steam into the first brake mechanism 4, which can heat the middle area of the plastic particles located in the heating tube 3, and the hot steam will also keep the feeding tube 7 warm through the steam recycling mechanism.
[0022] See also Figure 1 , Figure 6 and Figure 7 In this embodiment, the second braking mechanism includes a second support block 901, a second motor 902 and a second gear 903; the side wall of the preheating box 9 is fixedly connected with the second support block 901, the upper end of the second support block 901 is fixedly connected with the second motor 902, the upper end of the output shaft of the second motor 902 is fixedly connected with the second gear 903, the second gear 903 and the second gear ring 13 are meshed with each other, when the second gear ring 13 needs to be rotated, the second motor 902 is turned on to rotate the second gear 903, and the second gear ring 13 is meshed with each other to facilitate the rotation of the second gear ring 13.
[0023] See also Figure 1 and Figure 2 In this embodiment, the left and right ends of the heating tube 3 are fixedly connected with uniformly distributed first electric heating rods 10, and the plurality of first electric heating rods 10 are distributed in a circle. The heating tube 3 can be quickly heated by turning on the plurality of first electric heating rods 10.
[0024] See also Figure 1 and Figure 2 In this embodiment, electric heating blocks 11 are fixedly connected to both the front and rear ends of the heating tube 3 , and the two electric heating blocks 11 are symmetrical with respect to the center of the heating tube 3 . Turning on the two electric heating blocks 11 can improve the heating effect of the heating tube 3 .
[0025] See also Figure 1 and Figure 3In the present embodiment, the first brake mechanism 4 comprises a first support block 401, a first motor 402, a first gear 403, a rotating cylinder 404 and a first gear ring 405; the first support block 401 is fixedly connected to the upper end of the bottom plate 1, the first motor 402 is fixedly connected to the inner wall of the first support block 401, the first gear 403 is fixedly connected to the left end of the output shaft of the first motor 402, the rotating cylinder 404 is rotatably installed through the center of the right end of the heating cylinder 3, the first gear ring 405 is fixedly connected to the side wall of the rotating cylinder 404, the first gear ring 405 and the first gear 403 are meshed with each other, the side wall of the rotating cylinder 404 is fixedly connected to the auger 12, the auger 12 is located inside the heating cylinder 3, when the auger 12 needs to be rotated to realize the conveying of plastic particles, the first motor 402 is turned on to rotate the first gear 403, and the meshing of the first gear 403 and the rotating cylinder 404 will cause the auger 12 to rotate.
[0026] See also Figure 1 and Figure 4 In this embodiment, the steam component 5 includes a steam generator 501, an air outlet pipe 502 and a gas supply 503; the steam generator 501 is arranged at the right end of the bottom plate 1, and one end of the air outlet pipe 502 is fixedly connected to the air outlet port of the steam generator 501, and the gas supply 503 is rotatably mounted on the outer wall of the other end of the air outlet pipe 502, and the end of the gas supply 503 close to the heating cylinder 3 is fixedly connected to the right end of the rotating cylinder 404, and the rotating cylinder 404 and the gas supply 503 can rotate along the outer wall of the end of the air outlet pipe 502 close to the heating cylinder 3, so as to facilitate the hot steam to be sent into the interior of the rotating cylinder 404.
[0027] See also Figure 1 and Figure 5 In the present embodiment, the steam recycling mechanism comprises a return air pipe 601, a first valve body 602 and an insulation cylinder 605; the upper end of the extrusion bucket 6 is fixedly connected with the return air pipe 601 in a through-type manner, and the return air pipe 601 is provided with a first valve body 602, and the side wall of the feed cylinder 7 is fixedly connected with the insulation cylinder 605, and the insulation cylinder 605 is a hollow structure, and one end of the return air pipe 601 is rotatably mounted on the left end outer wall of the rotating cylinder 404, and the other end of the return air pipe 601 passes through the side wall of the insulation cylinder 605 and extends to the interior of the insulation cylinder 605, and the left end outer wall of the rotating cylinder 404 can rotate along the inner wall of one end of the return air pipe 601, and the high-temperature steam passing through the rotating cylinder 404 will flow into the insulation cylinder 605 through the return air pipe 601, so as to realize the insulation of the feed cylinder 7.
[0028] See also Figure 1 and Figure 5 In this embodiment, a second exhaust pipe 606 is fixedly connected to the lower end of the insulation tube 605, and a third valve body 607 is provided on the second exhaust pipe 606. By opening the third valve body 607, the exhaust gas in the insulation tube 605 can be discharged downward through the second exhaust pipe 606.
[0029] See also Figure 1 and Figure 5 In this embodiment, the lower end of the extrusion bucket 6 is fixedly connected with a first exhaust pipe 603, and a second valve body 604 is provided on the first exhaust pipe 603. The upper end of the first exhaust pipe 603 and the lower end of the return pipe 601 are interconnected, and the gas entering the return pipe 601 from the rotating cylinder 404 can be discharged downward through the first exhaust pipe 603.
[0030] Working principle: First, put the plastic particles into the preheating box 9, then turn on the second motor 902 to rotate the second gear 903, the second gear 903 drives the second gear ring 13 to rotate, turn on multiple second electric heating rods 15, turn on the third electric heating rod 18, turn on multiple fourth electric heating rods 20, because the second gear ring 13 drives the center tube 14 to rotate, it will drive the second electric heating rod 15, the third electric heating rod 18 and the fixed ring 19 to rotate, and the plastic particles placed in the preheating box 9 will be preheated, and the heated plastic particles will fall into the interior of the heating tube 3 through the feeding tank 8 and the feeding tube 7; Then, the first motor 402 is turned on to rotate the first gear 403. The meshing of the first gear 403 and the rotating cylinder 404 causes the auger 12 to rotate, thereby transporting the plastic particles to the left. The left end outer wall of the rotating cylinder 404 rotates along the inner wall of one end of the return pipe 601, and the steam generator 501 is turned on to input high-temperature steam into the rotating cylinder 404. The high-temperature steam passing through the rotating cylinder 404 will flow into the insulation cylinder 605 through the return pipe 601 to achieve insulation of the feed cylinder 7; Turning on multiple first electric heating rods 10 and two electric heating blocks 11 can improve the heating effect of the heating tube 3. In addition, opening the third valve body 607 can discharge the exhaust gas in the insulation tube 605 downward through the second exhaust pipe 606.
[0031] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the spirit of the present invention.
Claims
1. A rapid heating device for an extruder for producing optical cables, comprising a bottom plate (1); characterized in that: The upper end of the bottom plate (1) is fixedly connected to a support block (2), the upper end of the support block (2) is fixedly connected to a heating cylinder (3), the upper end of the bottom plate (1) is provided with a first braking mechanism (4), the right end of the bottom plate (1) is provided with a steam assembly (5), the left end of the heating cylinder (3) is fixedly connected to an extrusion bucket (6), the upper end of the extrusion bucket (6) is fixedly connected to a feed cylinder (7) in a through-type manner, the upper end of the feed cylinder (7) is fixedly connected to a feed tank (8), the upper end of the feed tank (8) is fixedly connected to a preheating box (9), a second gear ring (13) is placed at the upper end of the preheating box (9), a second braking mechanism for rotating the second gear ring (13) is provided on the side wall of the preheating box (9), and the second gear ring ( A central tube (14) is fixedly connected to the inner wall of the extruder (13); second electric heating rods (15) are evenly distributed and fixedly connected to the upper and lower ends of the central tube (14); a third support block (16) is fixedly connected to the inner wall of the central tube (14); a mounting tube (17) is threadedly mounted on the inner wall of the third support block (16); a third electric heating rod (18) is fixedly connected to the inner wall of the mounting tube (17); a fixing ring (19) is evenly distributed and fixedly connected to the lower part of the side wall of the mounting tube (17); a fourth electric heating rod (20) is evenly distributed and fixedly connected to the side wall of the fixing ring (19); a steam recycling mechanism is provided on the extruder (6); and the steam recycling mechanism is also mounted on the side wall of the feed tube (7).
2. The rapid heating device for an extruder for producing optical cables according to claim 1, characterized in that: The second braking mechanism comprises a second support block (901), a second motor (902) and a second gear (903); the second support block (901) is fixedly connected to the side wall of the preheating box (9), the upper end of the second support block (901) is fixedly connected to the second motor (902), the upper end of the output shaft of the second motor (902) is fixedly connected to the second gear (903), and the second gear (903) and the second gear ring (13) are meshed with each other.
3. The rapid heating device for an extruder for producing optical cables according to claim 1, characterized in that: Evenly distributed first electric heating rods (10) are fixedly connected through the left and right ends of the heating cylinder (3), and a plurality of first electric heating rods (10) are distributed in a circular pattern.
4. The rapid heating device for an extruder for producing optical cables according to claim 1, characterized in that: Electric heating blocks (11) are fixedly connected to both the front and rear ends of the heating cylinder (3), and the two electric heating blocks (11) are symmetrical with respect to the center of the heating cylinder (3).
5. The rapid heating device for an extruder for producing optical cables according to claim 1, characterized in that: The first braking mechanism (4) comprises a first support block (401), a first motor (402), a first gear (403), a rotating cylinder (404) and a first gear ring (405); the first support block (401) is fixedly connected to the upper end of the bottom plate (1); the first motor (402) is fixedly connected to the inner wall of the first support block (401); the first gear (403) is fixedly connected to the left end of the output shaft of the first motor (402); the rotating cylinder (404) is rotatably installed through the center of the right end of the heating cylinder (3); the first gear ring (405) is fixedly connected to the side wall of the rotating cylinder (404); the first gear ring (405) and the first gear (403) are meshed with each other; the side wall of the rotating cylinder (404) is fixedly connected to an auger (12); the auger (12) is located inside the heating cylinder (3).
6. The rapid heating device for an extruder for producing optical cables according to claim 5, characterized in that: The steam assembly (5) comprises a steam generator (501), an air outlet pipe (502) and a gas supply (503); the steam generator (501) is arranged at the right end of the bottom plate (1); one end of the air outlet pipe (502) is fixedly connected to the air outlet port of the steam generator (501); the gas supply (503) is rotatably mounted on the outer wall of the other end of the air outlet pipe (502); one end of the gas supply (503) close to the heating cylinder (3) is fixedly connected to the right end of the rotating cylinder (404).
7. The rapid heating device for an extruder for producing optical cables according to claim 5, characterized in that: The steam recycling mechanism comprises a return air pipe (601), a first valve body (602) and a heat-insulating cylinder (605); the upper end of the extrusion bucket (6) is fixedly connected with the return air pipe (601) in a through-type manner, the return air pipe (601) is provided with the first valve body (602), the side wall of the feed cylinder (7) is fixedly connected with the heat-insulating cylinder (605), the heat-insulating cylinder (605) is a hollow structure, one end of the return air pipe (601) is rotatably mounted on the left end outer wall of the rotating cylinder (404), and the other end of the return air pipe (601) passes through the side wall of the heat-insulating cylinder (605) and extends to the interior of the heat-insulating cylinder (605).
8. The rapid heating device for an extruder for producing optical cables according to claim 7, characterized in that: A second exhaust pipe (606) is fixedly connected through the lower end of the heat-insulating cylinder (605), and a third valve body (607) is provided on the second exhaust pipe (606).
9. The rapid heating device for an extruder for producing optical cables according to claim 7, characterized in that: A first exhaust pipe (603) is fixedly connected to the lower end of the extrusion bucket (6), a second valve body (604) is arranged on the first exhaust pipe (603), and the upper end of the first exhaust pipe (603) and the lower end of the return air pipe (601) are connected to each other.