CN115418466B - Pipe transmission assembly of plastic pipe continuous annealing furnace - Google Patents
Pipe transmission assembly of plastic pipe continuous annealing furnace Download PDFInfo
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- CN115418466B CN115418466B CN202210599965.1A CN202210599965A CN115418466B CN 115418466 B CN115418466 B CN 115418466B CN 202210599965 A CN202210599965 A CN 202210599965A CN 115418466 B CN115418466 B CN 115418466B
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- 238000000137 annealing Methods 0.000 title claims abstract description 47
- 239000004033 plastic Substances 0.000 title claims abstract description 41
- 229920003023 plastic Polymers 0.000 title claims abstract description 41
- 230000005540 biological transmission Effects 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 109
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 24
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 238000002156 mixing Methods 0.000 description 4
- 238000011049 filling Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010094 polymer processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000020347 spindle assembly Effects 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Tunnel Furnaces (AREA)
Abstract
The utility model discloses a pipe transmission assembly of a plastic pipe continuous annealing furnace, which comprises a pipe feeding mechanism, a pipe horizontal conveying mechanism, a pipe discharging mechanism and a driving mechanism, wherein the pipe feeding mechanism is of an inverted L-shaped structure and can convey plastic pipes at the bottom to the top of a furnace body along the side part of the furnace body; the beneficial effects of the utility model are as follows: through set up tubular product feed mechanism, tubular product horizontal conveying mechanism and tubular product unloading mechanism in the annealing stove inside can realize the automatic annealing process of tubular product, under tubular product horizontal conveying mechanism' S effect in addition, tubular product can be according to the inside operation of continuous S layer route at the annealing stove, the effectual time of guaranteeing the annealing, further improves the effect of annealing.
Description
Technical Field
The utility model relates to the technical field of plastic pipe conveying, in particular to a pipe conveying assembly of a plastic pipe continuous annealing furnace.
Background
In order to more effectively improve and enhance the comprehensive performance of the PPR pipe and widen the application field of the PPR pipe, methods such as blending modification, filling modification, annealing and the like are adopted for toughening modification at present. The blending modification is to disperse elastomer or trace nano particles in PPR base material in the form of particles to improve the toughness of plastics. The elastomers commonly used for PPR blending modification are ethylene-octene copolymer (POE), high density polyethylene (PE-HD), styrene-based thermoplastic elastomer (SBS), and the like. The filling modification is to add some filler in the plastic molding processing, so that the performance of the plastic product is improved and enhanced, and the preparation cost is reduced. The filler mainly used is CaCO 3, siO2, tiO2, talcum powder, mica, kaolin, montmorillonite, glass fiber and the like. However, both blending and filling modification have the problems of significant agglomeration of particles with uneven second phase distribution, poor compatibility with the matrix, and the like. The annealing is environment-friendly, safe and efficient, and the problems of high cooling rate and incomplete crystal development in the polymer processing and forming process can be solved by proper annealing treatment, so that the crystallization process of the polymer is effectively improved, the residual stress in a matrix is reduced, and the comprehensive mechanical property of the material is improved.
Invention patent number: 201621356674.6A shelf for annealing plastic pipes is provided, wherein the drawers can be stacked in the frame by arranging the frame and a plurality of drawers, plastic pipes are prevented from being arranged side by side on the surface of each drawer, and enough space is reserved when each drawer can fix the plastic pipes, so that damage caused by mutual extrusion between the plastic pipes and deformation caused by stress during cooling are avoided; by arranging the positioning inserting shaft and the positioning inserting groove, the frames can be placed in a stacked mode, so that the occupied area of plastic pipes is small, the stacking firmness is good, the number of plastic pipes to be transported at one time is large, and the number of plastic pipes to be annealed at one time is large; through setting up fork truck socket, gyro wheel, can make things convenient for goods shelves fortune, can't realize continuous annealing operation.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a plastic pipe continuous annealing furnace pipe transmission assembly with reasonable design.
The technical scheme of the utility model is as follows:
the pipe conveying assembly of the plastic pipe continuous annealing furnace comprises a pipe feeding mechanism, a pipe horizontal conveying mechanism, a pipe discharging mechanism and a driving mechanism, wherein the pipe feeding mechanism is of an inverted L-shaped structure and can convey plastic pipes at the bottom to the top of a furnace body along the side part of the furnace body; the pipe blanking mechanism is of an inverted L-shaped structure, and can send out plastic pipes passing through the pipe horizontal conveying mechanism from the bottom of the furnace body to the side of the furnace body.
Further, tubular product unloading mechanism is the same with tubular product feed mechanism structure, all includes the transport support frame, transport support frame one side is equipped with first driving shaft, be equipped with a set of sprocket along its axial on the first driving shaft, transport support frame opposite side is equipped with the back shaft, be equipped with a set of sprocket along its axial on the back shaft, transport support frame is equipped with first driven shaft in the below position that is located back shaft one side, be equipped with a set of sprocket along its axial on the first driven shaft, around being equipped with same root first conveying chain on the sprocket that first driving shaft, back shaft and first driven shaft correspond, equidistant setting shelves pole on the first conveying chain.
Further, two support shafts are arranged on one side of the conveying support frame, and each support shaft comprises an upper support shaft and a lower support shaft arranged below the upper support shaft; the two ends of the first driving shaft, the upper supporting shaft, the lower supporting shaft and the first driven shaft are respectively provided with a bearing assembly, and the first driving shaft, the upper supporting shaft, the lower supporting shaft and the first driven shaft are supported on the furnace body through the bearing assemblies.
Further, one end of the first conveying chain is arranged on a sprocket of the first driving shaft, and the other end of the first conveying chain is arranged on a sprocket of the first driven shaft after bypassing the upper ends of the sprockets of the upper supporting shaft and the lower supporting shaft, so that an L-shaped conveying loop is formed.
Furthermore, the baffle rod is obliquely arranged on the first conveying chain, an included angle between the baffle rod and the first conveying chain is an acute angle, so that the pipe is convenient to position, and the plastic pipe fitting is ensured to finish feeding and discharging under the action of the first conveying chain.
Further, the pipe horizontal conveying mechanism comprises a conveying support frame, a second driving shaft is arranged on one side of the conveying support frame, a second driven shaft is arranged on the other side of the conveying support frame, a group of chain wheels are correspondingly arranged on the second driving shaft and the second driven shaft along the axial direction, a second conveying chain is wound between the second driving shaft and the second driven shaft, and baffle rods are arranged on the second conveying chain at equal intervals; the plastic pipe enters the topmost layer after reaching the top of the annealing furnace, the plastic pipe is horizontally conveyed to the other side of the annealing furnace and falls into one side of the lower layer under the action of the pipe feeding mechanism, the plastic pipe is horizontally conveyed to the other side of the layer under the action of the pipe horizontal conveying mechanism and falls into the lower layer according to the continuous S-layer route until the plastic pipe reaches the bottommost layer; the pipe horizontal conveying mechanism adopts a group of straight conveyor belts which are arranged along the vertical direction.
Furthermore, the two ends of the second driving shaft and the second driven shaft are respectively provided with a bearing assembly, and the two ends of the second driving shaft and the two ends of the second driven shaft are supported on the furnace body through the bearing assemblies.
Further, the conveying support frame comprises a longitudinal support frame and a transverse support frame, wherein a group of the longitudinal support frames are arranged at intervals and in parallel, a group of the transverse support frames are arranged at intervals and in parallel and vertically penetrate through the longitudinal support frame, and two ends of the transverse support frame are respectively supported on the furnace body.
Furthermore, the material blocking frames are respectively arranged at two sides of the pipe feeding mechanism, the pipe discharging mechanism and the pipe horizontal conveying mechanism in the furnace body, so that the pipe can enter the pipe horizontal conveying mechanism from the pipe feeding mechanism, the pipe can be continuously conveyed in an S-shaped mode through the pipe horizontal conveying mechanism, and the pipe can enter the pipe discharging mechanism from the pipe horizontal conveying mechanism.
Further, actuating mechanism includes driving motor, drive sprocket, tight sprocket and drive chain rise, and driving motor sets up on furnace body 1 outer wall, drive sprocket sets up respectively in driving motor output shaft, tubular product feed mechanism first driving shaft, tubular product horizontal conveying mechanism second driving shaft, tubular product unloading mechanism's first driving shaft's one end, tight sprocket setting rises on the furnace body, drive chain winds to establish on drive sprocket and tight sprocket to drive tubular product feed mechanism, tubular product horizontal conveying mechanism, tubular product unloading mechanism simultaneous working through driving motor.
The beneficial effects of the utility model are as follows: through set up tubular product feed mechanism, tubular product horizontal conveying mechanism and tubular product unloading mechanism in the annealing stove inside can realize the automatic annealing process of tubular product, under tubular product horizontal conveying mechanism' S effect in addition, tubular product can be according to the inside operation of continuous S layer route at the annealing stove, the effectual time of guaranteeing the annealing, further improves the effect of annealing.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the whole structure of the pipe continuous conveying device of the utility model;
FIG. 3 is a schematic structural view of a pipe feeding mechanism according to the present utility model;
FIG. 4 is a schematic view of a pipe horizontal conveying mechanism according to the present utility model;
FIG. 5 is a schematic structural view of a pipe blanking mechanism of the present utility model;
FIG. 6 is a schematic view of a lever mounting structure of the present utility model;
FIG. 7 is a schematic view of the installation structure of the hot air circulation heating device of the present utility model;
FIG. 8 is a schematic view of a hot air circulation heating device according to the present utility model;
FIG. 9 is a schematic view of the internal structure of the hot air circulation heating device of the present utility model;
in the figure: 1-a furnace body; 2-a pipe continuous conveying device; 21-a pipe feeding mechanism; 2101-a first driving shaft; 2102-upper support shaft; 2103-lower support shaft; 2104-a first conveyor chain; 2105-a first driven shaft; 2106—a lever; 22-a pipe blanking mechanism; 23-a pipe horizontal conveying mechanism; 2301-a second drive shaft; 2302-a second driven shaft; 2303-a second conveyor chain; 24-conveying a supporting frame; 25-a longitudinal support; 26-a transverse support; a 27-bearing assembly; 28-sprocket; 29-a material blocking frame; 31-a drive motor; 32-driving a sprocket; 33-tensioning chain wheels; 34-driving a chain; 3-a driving mechanism; 4-a hot air circulation heating device; 401-an electric motor; 402-an air inlet section; 403-a heating section; 404-an air outlet section; 405-a transmission assembly; 406-a spindle assembly; 407-fan blades; 408-heating the tube; 5-steel supporting frame.
Description of the embodiments
The utility model is further described below with reference to the drawings.
A plastic pipe continuous annealing furnace comprises a furnace body 1, a hot air circulation heating device 4 and a pipe continuous conveying device 2.
As shown in fig. 1-9, the pipe transmission assembly (pipe continuous conveying device 2) of the plastic pipe continuous annealing furnace comprises a pipe feeding mechanism 21, a pipe horizontal conveying mechanism 23, a pipe blanking mechanism 22 and a driving mechanism 3, wherein the pipe feeding mechanism 21 is of an inverted-L-shaped structure, plastic pipes at the bottom can be conveyed to the top of the furnace body 1 along the side part of the furnace body 1, the pipe horizontal conveying mechanism 23 is arranged between the pipe feeding mechanism 21 and the pipe blanking mechanism 22, and can enable the pipes to be continuously conveyed in an S-shaped mode in the furnace body 1, so that continuous annealing operation is realized; the pipe blanking mechanism 22 has an inverted L-shaped structure, and can send out plastic pipes passing through the pipe horizontal conveying mechanism 23 from the bottom of the furnace body 1 to the side of the furnace body 1.
Specifically, the pipe blanking mechanism 22 and the pipe feeding mechanism 21 are identical in structure and comprise a conveying support frame 24, a first driving shaft 2101 is arranged on one side of the conveying support frame 24, a group of chain wheels 28 are arranged on the first driving shaft 2101 along the axial direction of the first driving shaft, a support shaft is arranged on the other side of the conveying support frame 24, a group of chain wheels 28 are arranged on the support shaft along the axial direction of the support shaft, a first driven shaft 2105 is arranged below the support shaft, a group of chain wheels 28 are arranged on the first driven shaft 2105 along the axial direction of the first driven shaft, a same first conveying chain 2104 is arranged on the corresponding chain wheels 28 of the first driving shaft, the support shaft and the first driven shaft, and baffle rods 2106 are arranged on the first conveying chain 2104 at equal intervals.
Specifically, the support shafts are provided with two support shafts (because the conveying chain is in a closed loop, the upper side and the lower side of the conveying chain need to be supported to ensure stable running) on one side of the conveying support frame 24, and each support shaft comprises an upper support shaft 2102 and a lower support shaft 2103 arranged below the upper support shaft 2102.
Specifically, the two ends of the first driving shaft 2101, the upper supporting shaft 2102, the lower supporting shaft 2103 and the first driven shaft 2105 are respectively provided with a bearing assembly 27, and are supported on the furnace body 1 through the bearing assemblies 27.
Specifically, one end of the first conveying chain 2104 is arranged on the sprocket 28 of the first driving shaft 2101, and the other end of the first conveying chain bypasses the upper ends of the sprockets 28 of the upper supporting shaft 2102 and the lower supporting shaft 2103 and then is arranged on the sprocket 28 of the first driven shaft 2105, so that an L-shaped conveying loop is formed.
Specifically, the blocking rod 2106 is obliquely arranged on the first conveying chain 2104, an included angle between the blocking rod 2106 and the first conveying chain 2104 is an acute angle, positioning of pipes is facilitated, and feeding and discharging of plastic pipes are guaranteed to be completed under the action of the first conveying chain 2104.
The pipe horizontal conveying mechanism 23 comprises a conveying support frame 24, a second driving shaft 2301 is arranged on one side of the conveying support frame 24, a second driven shaft 2302 is arranged on the other side of the conveying support frame, a group of chain wheels 28 are correspondingly arranged on the second driving shaft 2301 and the second driven shaft 2302 along the axial direction, a second conveying chain 2303 is wound between the second driving shaft 2301 and the second driven shaft 2302, and blocking rods 2106 are arranged on the second conveying chain 2303 at equal intervals.
Specifically, the two ends of the second driving shaft 2301 and the second driven shaft 2302 are respectively provided with a bearing assembly 27, and are supported on the furnace body 1 through the bearing assemblies 27.
Specifically, the conveying support frame 24 includes a longitudinal support frame 25 and a transverse support frame 26, a group of the longitudinal support frames 25 are spaced and arranged in parallel, a group of the transverse support frames 26 are spaced and arranged in parallel, and vertically penetrate through the longitudinal support frames 25, and two ends of the transverse support frames 26 are respectively supported on the furnace body 1.
Specifically, the two sides of the pipe feeding mechanism 21, the pipe discharging mechanism 22 and the pipe horizontal conveying mechanism 23 inside the furnace body 1 are respectively provided with a material blocking frame 29 (in a continuous C-shaped structure), so that the pipe can enter the pipe horizontal conveying mechanism 23 from the pipe feeding mechanism 2, the pipe can be continuously conveyed in an S-shaped mode by the pipe horizontal conveying mechanism 23, and the pipe can enter the pipe discharging mechanism 22 from the pipe horizontal conveying mechanism 23.
The driving mechanism 3 comprises a driving motor 31, a driving chain wheel 32, a tensioning chain wheel 33 and a driving chain 34, wherein the driving motor 31 is arranged on the outer wall of the furnace body 1, the driving chain wheel 33 is respectively arranged at one end of an output shaft of the driving motor, a first driving shaft of the pipe feeding mechanism, a second driving shaft of the pipe horizontal conveying mechanism and a first driving shaft of the pipe discharging mechanism, the tensioning chain wheel 33 is arranged on the furnace body 1, and the driving chain 34 is wound on the driving chain wheel 32 and the tensioning chain wheel 33, so that the driving motor 31 drives the pipe feeding mechanism 21, the pipe horizontal conveying mechanism 23 and the pipe discharging mechanism 22 to work simultaneously.
The furnace body 1 is fixedly arranged on the ground through a steel support frame 5, the hot air circulation heating devices 4 are symmetrically arranged at opposite positions on two sides of the furnace body 1, and the space in the furnace body 1 can be extracted through the hot air circulation heating devices 4 and then heated and re-fed into the furnace body; the pipe continuous conveying device 2 is arranged inside the furnace body 1, and pipe loading, continuous annealing and unloading can be realized through the pipe continuous conveying device 2.
Specifically, the heated air circulation heating device 4 comprises a circulating fan, a circulating air channel and a heating pipe component, one end of the circulating air channel is connected to the side part of the furnace body 1, the other end of the circulating air channel is connected to the top part of the furnace body 1, the heating pipe component is arranged inside the circulating air channel, the circulating fan is arranged on the circulating air channel, and air inside the furnace body 1 is heated by the circulating fan through the heating pipe and then is sent into the furnace body again from the top part of the furnace body.
Specifically, the circulating fan comprises a motor 401, a transmission assembly 405, a main shaft assembly 406 and a fan blade 407, wherein the fan blade 407 is connected with the main shaft assembly 406, one end of the transmission assembly 405 is connected with the main shaft assembly 406, and the other end of the transmission assembly 405 is connected with the motor 401.
Specifically, the circulating air duct comprises an air inlet section 402, a heating section 403 and an air outlet section 404, the fan blades 407 are arranged at the air inlet section 402, and the heating pipe assembly is arranged at the heating section 403.
Specifically, the heating tube assembly includes a plurality of heating tubes 408 that are U-shaped tubes and are horizontally disposed within the cavity of the heating section 403.
Specifically, the top surface and four side surfaces of the furnace body 1 are closed, and the bottom surface of the furnace body 1 is provided with openings (openings are arranged at positions corresponding to the pipe feeding mechanism 21 and the pipe discharging mechanism 22).
Through symmetrically arranging the hot air circulation heating devices on two sides of the annealing furnace, the air at the bottom of the annealing furnace can be conveyed to the inside of the annealing furnace from the top of the annealing furnace after being heated in an electrothermal blowing mode, the effect of circulating hot air heating can be realized, the flow of the air in the annealing furnace and the heating uniformity in the annealing furnace are ensured, and the annealing effect is improved; in addition, the hot air circulation heating device is arranged on the outer side of the annealing furnace, so that the space utilization rate in the furnace is improved, and a foundation is provided for the arrangement of a conveying system in the annealing furnace.
The continuous annealing process provided by the utility model has the advantages of high automation degree, good heating uniformity in the annealing process, and accurate control of the annealing time, ensures the mechanical property of each pipe and improves the quality of products.
The above embodiments are only preferred embodiments of the present utility model, and are not limiting to the technical solutions of the present utility model, and any technical solution that can be implemented on the basis of the above embodiments without inventive effort should be considered as falling within the scope of protection of the patent claims of the present utility model.
Claims (5)
1. The plastic pipe continuous annealing furnace pipe transmission assembly is characterized by comprising a pipe feeding mechanism (21), a pipe horizontal conveying mechanism (23), a pipe blanking mechanism (22) and a driving mechanism (3), wherein the pipe feeding mechanism (21) is of an inverted L-shaped structure, plastic pipes at the bottom can be conveyed to the top of a furnace body (1) along the side part of the furnace body (1), the pipe horizontal conveying mechanism (23) is arranged between the pipe feeding mechanism (21) and the pipe blanking mechanism (22), and can enable the pipes to be continuously conveyed in an S-shaped mode in the furnace body (1), so that continuous annealing operation is realized; the pipe blanking mechanism (22) is of an inverted L-shaped structure, and can send out plastic pipes passing through the pipe horizontal conveying mechanism (23) from the bottom of the furnace body (1) to the side part of the furnace body (1);
the pipe blanking mechanism (22) and the pipe feeding mechanism (21) are identical in structure and comprise a conveying support frame (24), a first driving shaft (2101) is arranged on one side of the conveying support frame (24), a group of chain wheels (28) are arranged on the first driving shaft (2101) along the axial direction of the first driving shaft, a support shaft is arranged on the other side of the conveying support frame (24), a group of chain wheels (28) are arranged on the support shaft along the axial direction of the support shaft, a first driven shaft (2105) is arranged below the support shaft on the conveying support frame (24), a group of chain wheels (28) are arranged on the first driven shaft (2105) along the axial direction of the first driven shaft, a same first conveying chain (2104) is wound on the chain wheels (28) corresponding to the first driving shaft, the support shaft and the first driven shaft, and baffle rods (2106) are arranged on the first conveying chain (2104) at equal intervals;
two support shafts are arranged on one side of the conveying support frame (24), and each support shaft comprises an upper support shaft (2102) and a lower support shaft (2103) arranged below the upper support shaft (2102); bearing assemblies (27) are respectively arranged at two ends of the first driving shaft (2101), the upper supporting shaft (2102), the lower supporting shaft (2103) and the first driven shaft (2105), and are supported on the furnace body (1) through the bearing assemblies (27);
one end of the first conveying chain (2104) is arranged on a sprocket (28) of the first driving shaft (2101), and the other end of the first conveying chain bypasses the upper ends of the sprockets (28) of the upper supporting shaft (2102) and the lower supporting shaft (2103) and then is arranged on a sprocket (28) of the first driven shaft (2105), so that an L-shaped conveying loop is formed;
the driving mechanism (3) comprises a driving motor (31), a driving chain wheel (32), a tensioning chain wheel (33) and a driving chain (34), wherein the driving motor (31) is arranged on the outer wall of the furnace body 1, the driving chain wheel (33) is respectively arranged at one end of an output shaft of the driving motor, a first driving shaft of the pipe feeding mechanism, a second driving shaft of the pipe horizontal conveying mechanism and a first driving shaft of the pipe discharging mechanism, the tensioning chain wheel (33) is arranged on the furnace body (1), and the driving chain (34) is wound on the driving chain wheel (32) and the tensioning chain wheel (33), so that the driving motor (31) drives the pipe feeding mechanism (21), the pipe horizontal conveying mechanism (23) and the pipe discharging mechanism (22) to work simultaneously;
the pipe horizontal conveying mechanism (23) comprises a conveying support frame (24), a second driving shaft (2301) is arranged on one side of the conveying support frame (24), a second driven shaft (2302) is arranged on the other side of the conveying support frame, a group of chain wheels (28) are correspondingly arranged on the second driving shaft (2301) and the second driven shaft (2302) along the axial direction, a second conveying chain (2303) is wound between the second driving shaft (2301) and the second driven shaft (2302), and baffle rods (2106) are arranged on the second conveying chain (2303) at equal intervals;
the plastic pipe enters the topmost layer after reaching the top of the annealing furnace, the plastic pipe is horizontally conveyed to the other side of the annealing furnace and falls into one side of the lower layer under the action of the pipe feeding mechanism, the plastic pipe is horizontally conveyed to the other side of the layer under the action of the pipe horizontal conveying mechanism and falls into the lower layer according to the continuous S-layer route until the plastic pipe reaches the bottommost layer; the pipe horizontal conveying mechanism adopts a group of straight conveyor belts which are arranged along the vertical direction.
2. The plastic pipe continuous annealing furnace pipe conveying assembly according to claim 1, wherein the baffle rod (2106) is obliquely arranged on the first conveying chain (2104), an included angle between the baffle rod (2106) and the first conveying chain (2104) is an acute angle, positioning of the pipe is facilitated, and feeding and discharging of the plastic pipe are guaranteed to be completed under the action of the first conveying chain (2104).
3. The plastic pipe continuous annealing furnace pipe transmission assembly according to claim 1, wherein bearing assemblies (27) are respectively arranged at two ends of the second driving shaft (2301) and the second driven shaft (2302), and the second driving shaft and the second driven shaft are supported on the furnace body (1) through the bearing assemblies (27).
4. The plastic tube continuous annealing furnace tube conveying assembly according to claim 1, wherein the conveying support frame (24) comprises a longitudinal support frame (25) and a transverse support frame (26), a group of the longitudinal support frames (25) are arranged at intervals and in parallel, a group of the transverse support frames (26) are arranged at intervals and in parallel and vertically penetrate through the longitudinal support frames (25), and two ends of the transverse support frames (26) are respectively supported on the furnace body (1).
5. The plastic pipe continuous annealing furnace pipe conveying assembly according to claim 1, wherein a material blocking frame (29) is respectively arranged at two sides of the pipe feeding mechanism (21), the pipe discharging mechanism (22) and the pipe horizontal conveying mechanism (23) inside the furnace body (1), so that the pipe can enter the pipe horizontal conveying mechanism (23) from the pipe feeding mechanism (2), the pipe can be continuously conveyed in an S-shaped mode by the pipe horizontal conveying mechanism (23), and the pipe can enter the pipe discharging mechanism (22) from the pipe horizontal conveying mechanism (23).
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| CN115416334A (en) | 2022-12-02 |
| CN114953524B (en) | 2024-06-11 |
| CN114953524A (en) | 2022-08-30 |
| CN115418466A (en) | 2022-12-02 |
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