Heating device for polypropylene fiber production

Abstract

The utility model relates to the technical field of polypropylene fiber production, and discloses a heating device for polypropylene fiber production, which comprises a support column, the top of the support column is fixedly connected with a discharge box, the top of the discharge box is provided with a heating mechanism, and the right side of the heating mechanism is provided with a feeding mechanism. The heating mechanism comprises a filtering and discharging assembly and a heating and mixing assembly, and the filtering and discharging assembly is arranged at the bottom of the heating and mixing assembly. A first bevel gear rotating shaft and a second bevel gear rotating shaft drive a stirring plate and a rotating scraping plate to rotate in the mixing box and cooperate with a heating pipe, so that raw materials are melted, residual raw materials on the inner wall of the mixing box are scraped off through rotation of the rotating scraping plate, the inner wall of the mixing box is cleaned, and the mixing efficiency is improved. And a second motor drives a spiral blade to rotate in the feeding barrel, so that the spiral blade can bring the raw materials in the storage bin into the mixing box to be heated.

Description

Technical Field

[0001] The utility model relates to the technical field of polypropylene fiber production, in particular to a heating device for polypropylene fiber production. Background Art

[0002] Polypropylene fiber is a kind of concrete reinforcing fiber, known as the "secondary reinforcement" of concrete. The flame retardant modification of polypropylene fiber is mainly prepared by adding modification and flame retardant finishing. The important link of the recycling process of polypropylene fiber production is heating and melting. The existing heating device for polypropylene fiber production is used in the process of use.

[0003] According to the description in a heating device for polypropylene fiber production disclosed on the patent website (authorization announcement number: CN220194781U), "the utility model relates to the technical field of polypropylene fiber production, specifically a heating device for polypropylene fiber production, including a heating tank, a filter box is fixedly installed below the heating tank through a connecting frame, a feed pipe is fixedly connected between the heating tank and the filter box, an electric heater is fixedly installed on the inner wall of the heating tank, a solenoid valve is fixedly arranged on the feed pipe, a filter screen is fixedly installed inside the filter box, a motor is fixedly installed on the outer side of the connecting frame, a horizontal axis is fixedly installed on the driving end of the motor, a longitudinal axis is rotatably installed inside the heating tank through a connecting seat, a plurality of stirring rods are fixedly installed on the longitudinal axis, and a plurality of inverted T-shaped stirring racks are fixedly installed on the bottom of the stirring rod. The utility model can cause the polypropylene material to be quickly and evenly heated, ensure the melting speed of the polypropylene material, and help improve the efficiency of the heating treatment work."

[0004] In view of the above description, the applicant believes that the following problems exist: the polypropylene material is added into the heating tank through the feed hopper, and the polypropylene material in the heating tank is heated by using an electric heater, so that the inverted T-shaped stirring rack can stir the polypropylene material surging above the inside of the heating tank, thereby prompting the polypropylene material to be quickly and evenly heated. After the polypropylene material is heated and melted, the solenoid valve is opened, and the filter screen inside the filter box filters the polypropylene material, and the polypropylene material is finally discharged through the discharge pipe. When the polypropylene material is heated, some of it may remain on the inner wall of the device. Since the device is closed when the stirring barrel is used, it is more troublesome to clean it. Utility Model Content

[0005] The purpose of the utility model is to provide a heating device for producing polypropylene fibers to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a heating device for polypropylene fiber production, comprising a support column, a discharge box is fixedly connected to the top of the support column, a heating mechanism is arranged on the top of the discharge box, and a feeding mechanism is arranged on the right side of the heating mechanism;

[0007] The heating mechanism comprises a filtering and discharging component and a heating and mixing component, wherein the filtering and discharging component is arranged at the bottom of the heating and mixing component.

[0008] Preferably, the filter discharge assembly includes a closing door, which is rotatably connected to the front side of the discharge box, a filter screen is slidably connected to the inside of the discharge box, a control valve is fixedly connected to the top of the discharge box, a discharge pipe is fixedly connected to the bottom of the discharge box, and a fixed column is fixedly connected to the top of the discharge box. Since the filter screen is provided, it is beneficial to filter the heated polypropylene fibers.

[0009] Preferably, the heating mixing assembly comprises a heat insulation layer, which is fixedly connected to the top of the fixed column, and the top of the control valve is fixedly connected to a mixing box, and a heating tube is arranged at a middle position between the outside of the mixing box and the inside of the heat insulation layer, and the top of the mixing box is fixedly connected to a mounting plate, and the outside of the mounting plate is fixedly connected to a motor 1, and the output end of the motor 1 is fixedly connected to a bevel gear, and the top of the bevel gear is meshed with a bevel gear rotating shaft 1, and the outside of the bevel gear rotating shaft 1 is fixedly connected to a stirring plate, and the bottom of the bevel gear is meshed with a bevel gear rotating shaft 2, and the outside of the bevel gear rotating shaft 2 is fixedly connected to a rotating scraper, and the bottom of the rotating scraper is fixedly connected to an anti-blocking discharge rotating plate. Since the bevel gear is provided, it is beneficial to drive the stirring plate outside the bevel gear rotating shaft 1 to rotate.

[0010] Preferably, through holes are opened at corresponding positions of the bevel gear rotating shaft 2 and the bevel gear rotating shaft 1, and the bevel gear rotating shaft 1 is rotatably connected to the interior of the bevel gear rotating shaft 2. Since the bevel gear rotating shaft 2 is provided, it is beneficial for the rotating scraper to scrape off the polypropylene fibers remaining on the inner wall of the mixing box.

[0011] Preferably, through holes are provided at corresponding positions of the mixing box, the mounting plate and the second bevel gear rotating shaft, and the second bevel gear rotating shaft passes through the mounting plate and is rotatably connected to the inside of the mixing box. The provision of the mixing box is beneficial for providing a heating space for heating the polypropylene fiber.

[0012] Preferably, the feeding mechanism includes a connecting pipe, the connecting pipe is fixedly connected to the top of the mixing box, the outside of the connecting pipe is fixedly connected to a feeding barrel, the top of the feeding barrel is fixedly connected to motor 2, the output end of motor 2 is fixedly connected to a spiral blade, and the outside of the feeding barrel is fixedly connected to a storage bin. Since motor 2 is provided, it is beneficial to drive the spiral blade to rotate inside the feeding barrel.

[0013] Preferably, through holes are provided at corresponding positions of the feeding barrel and the spiral blade, and the spiral blade is rotatably connected to the inside of the feeding barrel. The provision of the spiral blade is conducive to delivering the raw materials in the feeding barrel to the inside of the mixing box.

[0014] Compared with the prior art, the utility model provides a heating device for polypropylene fiber production, which has the following beneficial effects:

[0015] 1. The heating device for producing polypropylene fiber has a filtering and discharging component and a heating and mixing component in the heating mechanism. The filtering and discharging component is arranged at the bottom of the heating and mixing component. The stirring plate and the rotating scraper are driven to rotate inside the mixing box by the first bevel gear rotating shaft and the second bevel gear rotating shaft. The heating tube is cooperated to melt the raw materials. The rotation of the rotating scraper is conducive to scraping off the raw materials remaining on the inner wall of the mixing box, thereby facilitating the cleaning of the inner wall of the mixing box.

[0016] 2. The heating device for producing polypropylene fiber is used by a feeding mechanism in conjunction with a heating mechanism, and a second motor drives the spiral blade to rotate inside the feeding barrel, thereby facilitating the spiral blade to bring the raw materials inside the storage bin into the mixing box for heating. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0018] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the heating mechanism structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the filter and discharge assembly of the heating mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the heating mixing assembly of the heating mechanism of the utility model;

[0022] Figure 5 It is a schematic diagram of the structure of the feeding mechanism of the utility model.

[0023] In the figure: 1. Support column; 2. Discharge box; 3. Heating mechanism; 31. Filter discharge assembly; 311. Closing door; 312. Filter; 313. Control valve; 314. Fixed column; 315. Discharge pipe; 32. Heating and mixing assembly; 321. Insulation layer; 322. Mixing box; 323. Heating pipe; 324. Mounting plate; 325. Motor 1; 326. Bevel gear rotating shaft 1; 327. Stirring plate; 328. Bevel gear rotating shaft 2; 329. Rotating scraper; 3210. Anti-blocking discharge rotating plate; 3211. Bevel gear; 4. Feeding mechanism; 41. Feeding barrel; 42. Connecting pipe; 43. Motor 2; 44. Spiral blade; 45. Storage bin. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Embodiment 1:

[0027] See also Figure 1-5 The utility model provides a technical solution: a heating device for the production of polypropylene fibers, comprising a support column 1, a discharge box 2 is fixedly connected to the top of the support column 1, a heating mechanism 3 is arranged on the top of the discharge box 2, and a feeding mechanism 4 is arranged on the right side of the heating mechanism 3;

[0028] The heating mechanism 3 includes a filtering and discharging component 31 and a heating and mixing component 32 . The filtering and discharging component 31 is disposed at the bottom of the heating and mixing component 32 .

[0029] Furthermore, the filter discharge assembly 31 includes a closing door 311, which is rotatably connected to the front of the discharge box 2, and a filter screen 312 is slidably connected inside the discharge box 2. A control valve 313 is fixedly connected to the top of the discharge box 2, a discharge pipe 315 is fixedly connected to the bottom of the discharge box 2, and a fixed column 314 is fixedly connected to the top of the discharge box 2. Since the filter screen 312 is provided, it is beneficial to filter the heated polypropylene fibers.

[0030] Further, the heating and mixing assembly 32 includes a heat insulating layer 321, the heat insulating layer 321 is fixedly connected to the top of the fixed column 314, the top of the control valve 313 is fixedly connected to a mixing box 322, a heating pipe 323 is arranged at a middle position between the outside of the mixing box 322 and the inside of the heat insulating layer 321, the top of the mixing box 322 is fixedly connected to a mounting plate 324, the outside of the mounting plate 324 is fixedly connected to a motor 1 325, the output end of the motor 1 325 is fixedly connected to a bevel gear 3211, and the bevel gear The top of 3211 is meshed with a bevel gear rotating shaft 326, the outside of the bevel gear rotating shaft 326 is fixedly connected with a stirring plate 327, the bottom of the bevel gear 3211 is meshed with a bevel gear rotating shaft 328, the outside of the bevel gear rotating shaft 328 is fixedly connected with a rotating scraper 329, and the bottom of the rotating scraper 329 is fixedly connected with an anti-blocking discharge rotating plate 3210. Since the bevel gear 3211 is provided, it is beneficial to drive the stirring plate 327 outside the bevel gear rotating shaft 326 to rotate.

[0031] Furthermore, through holes are opened at corresponding positions of the bevel gear rotating shaft 2 328 and the bevel gear rotating shaft 1 326, and the bevel gear rotating shaft 1 326 is rotatably connected to the interior of the bevel gear rotating shaft 2 328. Since the bevel gear rotating shaft 2 328 is set, it is beneficial for the rotating scraper 329 to scrape off the polypropylene fibers remaining on the inner wall of the mixing box 322.

[0032] Furthermore, through holes are opened at corresponding positions of the mixing box 322, the mounting plate 324 and the bevel gear rotating shaft 328. The bevel gear rotating shaft 328 passes through the mounting plate 324 and is rotatably connected to the inside of the mixing box 322. The provision of the mixing box 322 is beneficial for providing a heating space for heating the polypropylene fiber.

[0033] Embodiment 2:

[0034] See also Figure 5, and combined with Example 1, it is further obtained that the feeding mechanism 4 includes a connecting pipe 42, the connecting pipe 42 is fixedly connected to the top of the mixing box 322, the outside of the connecting pipe 42 is fixedly connected to a feeding barrel 41, the top of the feeding barrel 41 is fixedly connected to a motor 2 43, the output end of the motor 2 43 is fixedly connected to a spiral blade 44, and the outside of the feeding barrel 41 is fixedly connected to a storage bin 45. Since the motor 2 43 is provided, it is beneficial to drive the spiral blade 44 to rotate inside the feeding barrel 41.

[0035] Furthermore, through holes are opened at corresponding positions of the loading barrel 41 and the spiral blade 44 , and the spiral blade 44 is rotatably connected to the inside of the loading barrel 41 . The provision of the spiral blade 44 is conducive to delivering the raw materials inside the loading barrel 41 to the inside of the mixing box 322 .

[0036] In actual operation, when this device is used, first, the raw materials are placed inside the storage bin 45, and the spiral blade 44 is driven by the motor 2 43 to rotate inside the loading barrel 41, thereby driving the raw materials inside the loading barrel 41 to be sent into the mixing box 322 through the connecting pipe 42, and the stirring plate 327 outside the bevel gear rotating shaft 1 326 and the rotating scraper 329 outside the bevel gear rotating shaft 2 328 are driven by the motor 1 325 to rotate at the same time, and the heating tube 323 is cooperated to heat and stir the raw materials, and the rotating scraper 329 scrapes off the raw materials remaining on the inner wall of the mixing box 322, and the control valve 313 is opened to allow the raw materials to enter the interior of the discharge box 2 and be filtered through the filter net 312, and then discharged through the discharge pipe 315.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A heating device for producing polypropylene fibers, comprising a support column (1), characterized in that: The top of the support column (1) is fixedly connected to a discharge box (2), the top of the discharge box (2) is provided with a heating mechanism (3), and the right side of the heating mechanism (3) is provided with a feeding mechanism (4); The heating mechanism (3) comprises a filtering and discharging component (31) and a heating and mixing component (32), wherein the filtering and discharging component (31) is arranged at the bottom of the heating and mixing component (32).

2. A heating device for producing polypropylene fibers according to claim 1, characterized in that: The filter discharge assembly (31) comprises a closing door (311), the closing door (311) is rotatably connected to the front of the discharge box (2), a filter screen (312) is slidably connected inside the discharge box (2), a control valve (313) is fixedly connected to the top of the discharge box (2), a discharge pipe (315) is fixedly connected to the bottom of the discharge box (2), and a fixing column (314) is fixedly connected to the top of the discharge box (2).

3. A heating device for producing polypropylene fibers according to claim 2, characterized in that: The heating and mixing assembly (32) comprises a heat insulating layer (321), wherein the heat insulating layer (321) is fixedly connected to the top of the fixing column (314), the top of the control valve (313) is fixedly connected to a mixing box (322), a heating pipe (323) is arranged at a middle position between the outside of the mixing box (322) and the inside of the heat insulating layer (321), the top of the mixing box (322) is fixedly connected to a mounting plate (324), the outside of the mounting plate (324) is fixedly connected to a motor 1 (325), and the motor 1 (325) ) is fixedly connected to the output end of the bevel gear (3211), the top of the bevel gear (3211) is meshed with a bevel gear rotating shaft 1 (326), the outside of the bevel gear rotating shaft 1 (326) is fixedly connected with a stirring plate (327), the bottom of the bevel gear (3211) is meshed with a bevel gear rotating shaft 2 (328), the outside of the bevel gear rotating shaft 2 (328) is fixedly connected with a rotating scraper (329), and the bottom of the rotating scraper (329) is fixedly connected with an anti-blocking discharge rotating plate (3210).

4. A heating device for producing polypropylene fibers according to claim 3, characterized in that: A through hole is provided at the corresponding position of the bevel gear rotating shaft 2 (328) and the bevel gear rotating shaft 1 (326), and the bevel gear rotating shaft 1 (326) is rotatably connected to the inside of the bevel gear rotating shaft 2 (328).

5. A heating device for producing polypropylene fibers according to claim 3, characterized in that: Through holes are provided at corresponding positions of the mixing box (322), the mounting plate (324) and the second bevel gear rotating shaft (328), and the second bevel gear rotating shaft (328) penetrates the mounting plate (324) and is rotatably connected to the interior of the mixing box (322).

6. A heating device for producing polypropylene fibers according to claim 4, characterized in that: The feeding mechanism (4) comprises a connecting pipe (42), wherein the connecting pipe (42) is fixedly connected to the top of the mixing box (322), the outside of the connecting pipe (42) is fixedly connected to a feeding barrel (41), the top of the feeding barrel (41) is fixedly connected to a second motor (43), the output end of the second motor (43) is fixedly connected to a spiral blade (44), and the outside of the feeding barrel (41) is fixedly connected to a storage bin (45).

7. A heating device for producing polypropylene fibers according to claim 6, characterized in that: Through holes are provided at corresponding positions of the loading barrel (41) and the spiral blade (44), and the spiral blade (44) is rotatably connected to the inside of the loading barrel (41).

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