CN211275331U

CN211275331U - Preheating device is used in production of compound steel pipe

Info

Publication number: CN211275331U
Application number: CN201922189304.8U
Authority: CN
Inventors: 王军祥; 范振鹏; 王辉
Original assignee: Tianjin Will Long Sci&tech Co ltd
Current assignee: Tianjin Will Long Sci&tech Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-08-18
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a preheating device is used in production of composite steel pipe, including casing, filter cartridge, support ring and spiral pipe, the inside one end of casing has the support ring through support fixed support, and clean ring is installed through the transmission ring gear to one side of support ring, and the spiral pipe is installed through the cantilever inside the casing of clean ring one side, and has the layer board through electric lift pole movable support in the inside bottom of casing of spiral pipe below, and the drive roller bearing is installed through "U" the line frame that evenly sets up in the top of layer board, the filter cartridge is installed at the top of casing, and the aspiration pump is installed at the top of the casing of filter cartridge one side. The utility model discloses heating element is little, and power consumption is few, simultaneously, and the aspiration pump is taken out from the heat transport to the inside of spiral pipe that the electrical heating runs off to the exhaust port through the spiral pipe evenly sprays the steel pipe surface, makes the steel pipe surface preheat effectually, practices thrift and preheats the cost.

Description

Preheating device is used in production of compound steel pipe

Technical Field

The utility model relates to a steel pipe apparatus for producing technical field specifically is a preheating device is used in production of compound steel pipe.

Background

The composite steel pipe, especially plastic coated composite steel pipe, is produced with steel pipe as base body and through spraying, rolling, soaking and sucking, and through preheating, vacuum plastic coating, curing and other post-treatment.

The existing preheating equipment has the following problems or defects:

1. most of the existing preheating equipment is a preheating drying tunnel, and the two sides of the drying tunnel are provided with electric heating devices, so that the electric energy consumption is high;

2. the surface of the steel pipe cannot be cleaned in the preheating process, and the dust on the surface of the steel pipe influences the coating processing effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a preheating device for producing composite steel pipes, which solves the problem of electric heating in the prior art and has high electric energy consumption; the surface of the steel pipe cannot be cleaned, and the dust on the surface of the steel pipe influences the coating processing effect.

In order to achieve the above object, the utility model provides a following technical scheme: a preheating device for producing composite steel pipes comprises a shell, a filter box, a support ring and a spiral pipe, wherein a bottom plate is fixed at the bottom of the shell, openings are formed in the centers of two ends of the shell, visual glass is installed on one side of the shell, a controller is installed on the shell on one side of the visual glass, the support ring is fixedly supported at one end inside the shell through a support, a cleaning ring is installed on one side of the support ring through a transmission gear ring, the spiral pipe is installed inside the shell on one side of the cleaning ring through a cantilever, a supporting plate is movably supported at the bottom end inside the shell below the spiral pipe through an electric lifting rod, driving rolling shafts are installed at the top of the supporting plate through uniformly arranged 'U' racks, the filter box is installed at the top of the shell on one side of the filter box, an air suction pump is installed at the top of the shell on one side of the, the top of exhaust tube extends to the inboard and the fixedly connected with of support ring and takes out the gas ring, evenly is provided with the aspirating hole on the ring of taking out gas, all installs electrical heating ring on the support ring inner wall of the ring both sides of taking out gas simultaneously, and electrical heating ring passes through the wire and is connected with the controller electricity.

Preferably, the output tube of aspiration pump extends to the inside of filter cartridge, and filter cartridge's inside demountable installation has the dirt intranet of straining, and filter cartridge's the other end passes through the input intercommunication of outlet duct and spiral pipe simultaneously, evenly is provided with the exhaust hole on the inside wall of spiral pipe.

Preferably, the central axes of the cleaning ring, the support ring and the spiral pipe coincide with each other.

Preferably, evenly be provided with the cleaning brush on the inside wall of cleaning ring, and the inside top of casing of cleaning ring top installs driving motor, and driving motor's output fixedly connected with drive gear simultaneously, drive gear and transmission ring gear intermeshing.

Preferably, the edge position of one side of the support ring is annularly provided with a sliding groove ring, the transmission gear ring is annularly provided with a sliding block, and the transmission gear ring is movably arranged on one side of the support ring through the sliding block and the sliding groove ring.

Preferably, a first belt pulley is installed on one side of the driving rolling shaft, a feeding motor is installed at one end of the bottom of the supporting plate through a bolt, a second belt pulley is installed on an output shaft of the feeding motor, and a transmission belt is fixedly connected between the second belt pulley and the first belt pulley.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) according to the preheating device for producing the composite steel pipe, the support ring and the spiral pipe are arranged in the shell, the air pump arranged at the top of the shell is matched, the electric heating ring is arranged on the inner side of the support ring to heat the steel pipe, the heating element is small, the electric energy consumption is low, meanwhile, the air pump pumps heat lost by electric heating and conveys the heat to the interior of the spiral pipe, and the heat is uniformly sprayed to the outer surface of the steel pipe through the exhaust hole of the spiral pipe, so that the preheating effect of the outer surface of the steel pipe is good, and the preheating;

(2) the preheating device for producing the composite steel pipe is characterized in that a cleaning ring is mounted on one side of a support ring through a transmission toothed ring, a sliding groove ring is annularly arranged at the edge position of one side of the support ring, a sliding block is annularly arranged on the transmission toothed ring, the transmission toothed ring is movably mounted on one side of the support ring through the sliding block and the sliding groove ring, cleaning brushes are uniformly arranged on the inner side wall of the cleaning ring, a driving motor is mounted at the top end inside a shell above the cleaning ring, a driving gear is fixedly connected to the output end of the driving motor, the driving gear is meshed with the transmission toothed ring, the cleaning ring rotates under the action of the driving motor in the conveying and heating process of the steel pipe, the outer surface of the steel pipe is effectively cleaned through the;

(3) this preheating device is used in production of compound steel pipe, drive roller bearing is installed through utilizing "U" capable frame at the top of layer board, and set up the pay-off motor bottom the layer board, make installation second belt pulley on the output shaft of pay-off motor, fixedly connected with driving belt between the first belt pulley of second belt pulley and drive roller bearing, the realization is carried the level of steel pipe, and simultaneously, the bottom of layer board sets up electric lift rod, make the height-adjustable of layer board, the steel pipe that realizes different diameters passes through from the center of support ring and spiral pipe, make the homogeneity of being heated of steel pipe surface good, therefore, the clothes hanger is strong in practicability.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of the supporting ring of the present invention;

FIG. 4 is a schematic cross-sectional structure view of the support ring of the present invention;

fig. 5 is a side view of the driving roller according to the present invention.

In the figure: 1. a base plate; 2. a housing; 201. a visible glass; 202. an opening; 3. a controller; 4. a filter box; 401. a dust filtration inner net; 402. an air outlet pipe; 5. an air pump; 501. an air exhaust pipe; 6. cleaning the ring; 601. a transmission gear ring; 6011. a slider; 602. a cleaning brush; 7. a support ring; 701. an air pumping ring; 7011. an air exhaust hole; 702. an electrical heating ring; 703. a chute ring; 8. a drive motor; 801. a drive gear; 9. a spiral tube; 10. a cantilever; 11. an exhaust hole; 12. an electric lifting rod; 13. a support plate; 14. a drive roller; 1401. a first pulley; 1402. a U-shaped truss; 15. a feeding motor; 1501. a second pulley; 16. a drive belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a preheating device for producing composite steel pipes comprises a shell 2, a filter box 4, a support ring 7 and a spiral pipe 9, wherein a bottom plate 1 is fixed at the bottom of the shell 2, openings 202 are formed in the centers of two ends of the shell 2, visible glass 201 is installed on one side of the shell 2, a controller 3 is installed on the shell 2 on one side of the visible glass 201, the model of the controller 3 can be FHR-211, the support ring 7 is fixedly supported at one end inside the shell 2 through a support, a cleaning ring 6 is installed on one side of the support ring 7 through a transmission toothed ring 601, the spiral pipe 9 is installed inside the shell 2 on one side of the cleaning ring 6 through a cantilever 10, a supporting plate 13 is movably supported at the bottom end inside the shell 2 below the spiral pipe 9 through an electric lifting rod 12, a driving roller 14 is installed at the top of the supporting plate 13 through a uniformly arranged U-shaped truss 1402, the filter box 4 is installed at the top of the shell 2, an air extracting pump 5, the model of aspiration pump 5 can be 3HP, and aspiration pump 5 is connected with 3 electricity of controller through the wire, and the input fixedly connected with exhaust tube 501 of aspiration pump 5, and the top of exhaust tube 501 extends to the inboard and the fixedly connected with of support ring 7 and takes out gas ring 701, evenly is provided with aspirating hole 7011 on the ring 701 of taking out gas, all installs electrical heating ring 702 on the support ring 7 inner wall of the ring 701 both sides of taking out simultaneously, and electrical heating ring 702 passes through the wire and is connected with 3 electricity of controller.

The output pipe of the air pump 5 extends to the inside of the filter box 4, a dust filtering inner net 401 is detachably mounted in the filter box 4, meanwhile, the other end of the filter box 4 is communicated with the input end of the spiral pipe 9 through an air outlet pipe 402, air exhaust holes 11 are uniformly formed in the inner side wall of the spiral pipe 9, dust-free hot air is conveyed to the inside of the spiral pipe 9 through the air outlet pipe 402, and the outer surface of the steel pipe is uniformly sprayed through the air exhaust holes 11 of the spiral pipe 9, so that the preheating effect of the outer surface of the steel pipe is good, and;

the center axes of the cleaning ring 6, the support ring 7 and the spiral pipe 9 are superposed with each other, so that the uniform preheating of the surface of the steel pipe is ensured;

cleaning brushes 602 are uniformly arranged on the inner side wall of the cleaning ring 6, a driving motor 8 is mounted at the top end of the inside of the shell 2 above the cleaning ring 6, the type of the driving motor 8 can be Y90S-2, meanwhile, the output end of the driving motor 8 is fixedly connected with a driving gear 801, the driving gear 801 is meshed with a transmission gear ring 601, the driving motor 8 drives the cleaning ring 6 to rotate through the driving gear 801 and the transmission gear ring 601, and the cleaning brushes 602 on the inner side of the cleaning ring 6 remove dust on the surface of steel;

a sliding groove ring 703 is annularly arranged at the edge position of one side of the support ring 7, a sliding block 6011 is annularly arranged on the transmission gear ring 601, the transmission gear ring 601 is movably arranged at one side of the support ring 7 through the sliding block 6011 and the sliding groove ring 703, and the sliding block 6011 slides in the sliding groove ring 703 under the action of the driving gear 801 of the transmission gear ring 601, so that the rotating stability of the cleaning ring 6 is ensured;

a first belt pulley 1401 is installed on one side of the driving roller 14, a feeding motor 15 is installed at one end of the bottom of the supporting plate 13 through a bolt, the type of the feeding motor 15 can be Y90S-2, a second belt pulley 1501 is installed on an output shaft of the feeding motor 15, a transmission belt 16 is fixedly connected between the second belt pulley 1501 and the first belt pulley 1401, the driving roller 14 is driven by the feeding motor 15 through the second belt pulley 1501, the transmission belt 16 and the first belt pulley 1401 to rotate, and the steel pipe is conveyed to the inner side of the supporting ring 7 at a constant speed.

The working principle is as follows: when in use, the controller 3 is connected with a power supply, a steel pipe is inserted into the inner side of the spiral pipe 9 through the opening 202 at one end of the shell 2, the controller 3 controls the electric lifting rod 12 to drive the supporting plate 13 to adjust the height up and down, so that the steel pipe to be processed is positioned at the center of the inner side of the spiral pipe 9, the controller 3 controls the feeding motor 15, the driving motor 8, the electric heating ring 702 and the air suction pump 5 to be started, the feeding motor 15 drives the driving roller 14 to rotate through the second belt pulley 1501, the driving belt 16 and the first belt pulley 1401 to convey the steel pipe to the inner side of the supporting ring 7 at a constant speed, the electric heating ring 702 heats steel, the driving motor 8 drives the cleaning ring 6 to rotate through the driving gear and the driving gear ring 601, the cleaning brush 602 at the inner side of the cleaning ring 6 removes dust on the surface of the steel, the air suction pump 5 extracts the cleaned dust and the heat through the air suction holes 70, dust-free hot air is conveyed to the inside of the spiral pipe 9 through the air outlet pipe 402, and is uniformly sprayed to the outer surface of the steel pipe through the exhaust holes 11 of the spiral pipe 9, so that the preheating effect of the outer surface of the steel pipe is good, and the preheating cost is saved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a preheating device is used in production of compound steel pipe, includes casing (2), filter cartridge (4), support ring (7) and spiral pipe (9), its characterized in that: the bottom of the shell (2) is fixed with a bottom plate (1), the centers of two ends of the shell (2) are provided with openings (202), visual glass (201) is installed on one side of the shell (2), a controller (3) is installed on the shell (2) on one side of the visual glass (201), one end inside the shell (2) is fixedly supported with a support ring (7) through a support, a cleaning ring (6) is installed on one side of the support ring (7) through a transmission toothed ring (601), a spiral pipe (9) is installed inside the shell (2) on one side of the cleaning ring (6) through a cantilever (10), a support plate (13) is movably supported at the bottom end inside the shell (2) below the spiral pipe (9) through an electric lifting rod (12), a driving roller (14) is installed at the top of the support plate (13) through a uniformly arranged U-shaped truss (1402), and a filter box (4) is installed at the top of the shell (, air suction pump (5) are installed at the top of casing (2) of straining box (4) one side, air suction pump (5) are connected with controller (3) electricity through the wire, and input fixedly connected with exhaust tube (501) of air suction pump (5), the top of exhaust tube (501) extends to inboard and fixedly connected with of support ring (7) and takes out gas ring (701), evenly be provided with aspirating hole (7011) on taking out gas ring (701), all install electrical heating ring (702) on support ring (7) inner wall of simultaneously taking out gas ring (701) both sides, electrical heating ring (702) are connected with controller (3) electricity through the wire.

2. The preheating device for producing the composite steel pipe according to claim 1, wherein: the output tube of aspiration pump (5) extends to the inside of filter cartridge (4), and the inside demountable installation of filter cartridge (4) has and strains dirt intranet (401), and the other end of filter cartridge (4) passes through outlet duct (402) and the input intercommunication of spiral pipe (9) simultaneously, evenly is provided with exhaust hole (11) on the inside wall of spiral pipe (9).

3. The preheating device for producing the composite steel pipe according to claim 1, wherein: the center axes of the cleaning ring (6), the support ring (7) and the spiral tube (9) are mutually coincident.

4. The preheating device for producing the composite steel pipe according to claim 1, wherein: evenly be provided with cleaning brush (602) on the inside wall of cleaning ring (6), and drive motor (8) are installed on the inside top of casing (2) of cleaning ring (6) top, and drive gear (801) are connected with to the output fixedly of drive motor (8) simultaneously, drive gear (801) and transmission ring gear (601) intermeshing.

5. The preheating device for producing the composite steel pipe according to claim 1, wherein: the edge position of one side of the support ring (7) is annularly provided with a sliding groove ring (703), the transmission gear ring (601) is annularly provided with a sliding block (6011), and the transmission gear ring (601) is movably arranged on one side of the support ring (7) through the sliding block (6011) and the sliding groove ring (703).

6. The preheating device for producing the composite steel pipe according to claim 1, wherein: a first belt pulley (1401) is installed on one side of the driving rolling shaft (14), a feeding motor (15) is installed at one end of the bottom of the supporting plate (13) through a bolt, a second belt pulley (1501) is installed on an output shaft of the feeding motor (15), and a transmission belt (16) is fixedly connected between the second belt pulley (1501) and the first belt pulley (1401).