CN116619774A - Vacuum sizing plastic sleeve elbow extruder with preheating function - Google Patents

Vacuum sizing plastic sleeve elbow extruder with preheating function Download PDF

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Publication number
CN116619774A
CN116619774A CN202310907708.4A CN202310907708A CN116619774A CN 116619774 A CN116619774 A CN 116619774A CN 202310907708 A CN202310907708 A CN 202310907708A CN 116619774 A CN116619774 A CN 116619774A
Authority
CN
China
Prior art keywords
arc
fixedly connected
extruder
plastic sleeve
shaped
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310907708.4A
Other languages
Chinese (zh)
Inventor
张卫东
张红英
艾名朋
王亚松
张记
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cangzhou Rongtong Pipeline Equipment Co ltd
Original Assignee
Cangzhou Rongtong Pipeline Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cangzhou Rongtong Pipeline Equipment Co ltd filed Critical Cangzhou Rongtong Pipeline Equipment Co ltd
Priority to CN202310907708.4A priority Critical patent/CN116619774A/en
Publication of CN116619774A publication Critical patent/CN116619774A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/033Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36Single-purpose machines or devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/12Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/27Cleaning; Purging; Avoiding contamination
    • B29C48/274Cleaning; Purging; Avoiding contamination of the extruded articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02Bending or folding
    • B29C53/08Bending or folding of tubes or other profiled members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80Component parts, details or accessories; Auxiliary operations
    • B29C53/84Heating or cooling
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention belongs to the field of extruders. The embodiment of the invention discloses a vacuum sizing plastic sleeve elbow extruder with a preheating function, which comprises a mounting frame, an extruder, a feed hopper, a spiral pipe and the like; the invention has the advantages that the extruder extrudes materials into the cavity between the two film shells and the core mould through the through holes on the limit strips, cold water is input into the film shells and the core mould to cool the materials, so that the corner is obtained, the corner is directly molded at one time, the shaping processing through the secondary heating of the straight pipe is avoided, the processing steps are reduced, the energy consumption is reduced, the shaping is carried out in a mode of extruding the heated straight pipe and internally supporting and shaping, the temperature of the straight pipe needs to be accurately controlled in the shaping extrusion process, otherwise, the problems of crack deformation and the like are easy to occur, and the processing difficulty is higher are solved.

Description

Vacuum sizing plastic sleeve elbow extruder with preheating function
Technical Field
The invention belongs to the field of extruders, and particularly relates to a vacuum sizing plastic sleeve elbow extruder with a preheating function.
Background
In the prior art, CN217528833U (elbow extruder), a pushing driving mechanism sends a heated straight pipe blank into an elbow die to realize preliminary plasticity of the elbow, then an internal stay shaping mechanism is used for internal stay shaping the inside of a formed corner, the elbow is processed and shaped, the straight pipe is obtained through processing and reheated for shaping and cooling, the corner is finally obtained through twice cooling and shaping, the cooled and shaped straight pipe is required to be reheated for shaping, a large amount of energy is wasted, the shaping is carried out through extruding and heating the heated straight pipe and the internal stay shaping mode, the temperature of the straight pipe is required to be accurately controlled in the shaping extrusion process, otherwise, the problems of crack deformation and the like are easy to occur, the processing difficulty is high, and the shaping quality of the corner is difficult to ensure.
Disclosure of Invention
In order to overcome the defects that the temperature of the straight pipe needs to be accurately controlled in the shaping extrusion process in a shaping mode through extruding the heated straight pipe and internally carrying out internal bracing shaping, or else the straight pipe is easy to crack, deform and the like, the processing difficulty is high, the invention provides a vacuum sizing plastic sleeve elbow extruder with a preheating function.
The technical implementation scheme of the invention is as follows: a vacuum sizing plastic sleeve elbow extruder with a preheating function comprises a mounting frame, an extruder, a feed hopper and a spiral pipe; an extruder is arranged on the mounting frame; a feed hopper is fixedly connected to the extruder; a spiral pipe is arranged in the feed hopper; the device also comprises a fixing frame, a first driving motor, an arc-shaped frame, an electric push rod, a membrane shell and a core mould; two fixing frames which are vertically symmetrically distributed are fixedly connected on the mounting frame; two first driving motors are fixedly connected on the upper fixing frame; each fixing frame is rotationally connected with two arc-shaped frames, and the output shafts of the two first driving motors are fixedly connected with one arc-shaped frame above each; a core mould is fixedly connected between every two upper and lower corresponding arc-shaped frames; an electric push rod is fixedly connected to the middle part of each arc-shaped frame; the telescopic end of each electric push rod is fixedly connected with a membrane shell, the core mould is positioned in the two membrane shells, and the membrane shells are provided with exhaust grooves for exhausting.
Further, the device also comprises a separation sheet and a branch pipe; each membrane shell is fixedly connected with a spacer, the interior of the membrane shell is divided into an outer cavity and an inner cavity by the spacer, a plurality of through holes are formed in opposite sides of the two membrane shells, and all the through holes on each membrane shell are communicated with the outer cavity in the membrane shell; each membrane shell is provided with a branch pipe, two branches of the branch pipe are respectively provided with a control valve, one branch port is communicated with the inner cavity, and the other branch port is communicated with the outer cavity.
Further, the device also comprises a limiting component, and each membrane shell is connected with a limiting component; the limiting component comprises a cylinder, a piston rod, a fixed plate and a limiting strip; two cylinders are fixedly connected in the membrane shell and are both positioned in the outer cavity; a piston rod is connected in each cylinder in a sliding way; the two piston rods are both in sliding connection with the membrane shell; each piston rod is fixedly connected with a fixing plate; a limiting strip is fixedly connected between the two fixing plates, a plurality of through holes are formed in the limiting strip, and the limiting strip is used for blocking a cavity formed between the film shell and the core die.
Further, the device also comprises a first conduit and a second conduit; each mandrel is communicated with two first guide pipes; each mandrel is fixedly connected with two second guide pipes which are communicated with the inner cavity.
Further, the novel air conditioner also comprises an arc-shaped air bag, an air inlet pipe, a first fixing rod and a sealing block; each core mold is fixedly connected with an arc-shaped air bag; each arc-shaped air bag is communicated with an air inlet pipe; each air inlet pipe is fixedly connected with one core mould; a plurality of first fixing rods are fixedly connected on each isolation sheet and each arc-shaped air bag; each first fixed rod is fixedly connected with a sealing block, all sealing blocks corresponding to the first fixed rods on all the isolating sheets are in sliding connection with the membrane shell, all sealing blocks corresponding to the first fixed rods on all the arc-shaped air bags are in sliding connection with the core mould, a plurality of through grooves are formed in the membrane shell and the core mould, the through grooves are provided with two parts, namely a wide part and a narrow part, the narrow parts of the through grooves on the membrane shell and the narrow parts of the through grooves on the core mould correspond to each other, and the section size of each sealing block is equal to the size of the narrow parts of the through grooves.
Further, the device also comprises a demoulding assembly, and the right part of the mounting frame is connected with the demoulding assembly; the demolding assembly comprises an arc-shaped electric sliding rail, an arc-shaped electric sliding block and an electric clamp; the right part of the mounting frame is fixedly connected with two arc-shaped electric sliding rails; two arc-shaped electric sliding blocks are respectively connected with the two arc-shaped electric sliding rails in a sliding way; each arc-shaped electric sliding block is fixedly connected with an electric clamp, and clamping plates of the electric clamps are arranged into arc shapes matched with the corner.
Further, the device also comprises an arc-shaped cutter and a polishing sleeve; each electric clamp is fixedly connected with an arc-shaped cutter through a connecting block; each arc cutter is fixedly connected with a polishing sleeve, each polishing sleeve is fixedly connected with another arc cutter, two ends of each arc cutter are provided with cutting edges, through holes on all the lower membrane shells are inclined towards the middle of the membrane shells, and a collecting groove is formed in a clamping plate below the electric clamp.
Further, the electric clamp also comprises a dust collection assembly, and the lower part of each electric clamp is connected with the dust collection assembly; the dust collection assembly comprises a dust collector and a dust collection pipe; each electric clamp is provided with a dust collector, and each dust collector is communicated with a dust collecting pipe; each dust collecting pipe is fixedly connected with a clamping plate below the electric clamp, and the dust collecting pipe is communicated with the collecting tank.
Further, the device also comprises a bearing assembly, and the right part of the mounting frame is connected with the bearing assembly; the bearing assembly comprises a second driving motor, a second fixing rod and a bearing frame; the right part of the mounting frame is fixedly connected with a second driving motor; the output shaft of the second driving motor is fixedly connected with a second fixing rod; the second fixing rod is fixedly connected with a bearing frame, and the bearing frame is provided with an arc-shaped part for placing the corner.
Further, the automatic feeding device also comprises a power ring and a blanking knife; two electric rings are arranged on the bearing frame; each of the movable rings is fixedly connected with a blanking knife.
The invention has the following advantages: when the extrusion die is used, the extruder is used for extruding materials into a cavity between the two film shells and the core die through the through holes on the limiting strips, cold water is input into the film shells and the core die to cool the materials, so that an elbow pipe is obtained, the elbow pipe is directly molded at one time, molding processing through secondary heating of a straight pipe is avoided, processing steps are reduced, and energy consumption is reduced;
the elbow pipe is further cooled by hot water, and then the elbow pipe is cooled by secondary grading, so that the forming quality of the elbow pipe is better, the phenomenon that plastic crystallinity is low or irregular crystals influence the quality of the elbow pipe due to direct cooling and shaping by using cooling water is avoided, and meanwhile, the surface and the inner wall of the elbow pipe are soaked in water, so that the elbow pipe is convenient to demould;
the exhaust is carried out through the branch pipe, and then the exhaust is carried out through the through holes on the film shells when the two film shells are separated from the elbow pipe and away from each other, so that the harmful gas emitted by the elbow pipe is exhausted, and the harm to the body of an operator is avoided;
the polishing sleeve is attached to the surface of the elbow pipe to move, the surface of the elbow pipe is polished, scraps generated by polishing fall into a collecting groove of a clamping plate below the electric clamp, the scraps are prevented from falling onto a film shell to affect the forming quality of the subsequent elbow pipe, die line marks on the surface of the elbow pipe are polished and eliminated, the surface of the elbow pipe is smooth and consistent, and the appearance quality of the elbow pipe is improved;
the end part of the elbow pipe is polished through the frosted part of the blanking knife, so that the end part of the elbow pipe is smooth, the arc part of the supporting frame on the elbow pipe sleeve is polished through the arc part, the inner wall of the elbow pipe is smooth, the forming quality of the elbow pipe is ensured, the starting of the dust collector is controlled, the dust collecting pipe is used for extracting the chips collected in the collecting tank, and the dust collector is collected to avoid excessive accumulation of the chips.
Drawings
FIG. 1 is a schematic perspective view of a vacuum sizing plastic sleeve elbow extruder with a preheating function;
FIG. 2 is a schematic perspective view of the working state of the vacuum sizing plastic sleeve elbow extruder with the preheating function;
FIG. 3 is a schematic view of a partial cross-sectional perspective structure of a vacuum sizing plastic sleeve elbow extruder with a preheating function according to the present invention;
FIG. 4 is a schematic view of a first partial perspective view of a vacuum sizing plastic sleeve elbow extruder with a preheating function according to the present invention;
FIG. 5 is a schematic view of a second partial perspective view of a vacuum sizing plastic sleeve elbow extruder with a preheating function according to the present invention;
FIG. 6 is an enlarged view of area A of the vacuum sizing plastic sleeve elbow extruder with the preheating function;
FIG. 7 is an enlarged view of zone B of the vacuum sizing plastic sleeve elbow extruder with the preheating function of the invention;
FIG. 8 is a schematic view of a third partial perspective view of a vacuum sizing plastic sleeve elbow extruder with a preheating function according to the present invention;
FIG. 9 is a schematic view of a fourth partial perspective view of a vacuum sizing plastic sleeve elbow extruder with a preheating function according to the present invention;
FIG. 10 is a schematic diagram of a combined three-dimensional structure of a receiving assembly and a demolding assembly of the vacuum sizing plastic sleeve elbow extruder with the preheating function;
FIG. 11 is a schematic view of a partial perspective view of a stripping assembly of a vacuum sizing plastic sleeve elbow extruder with a preheating function;
fig. 12 is a schematic diagram showing a cross-sectional perspective structure of a film shell of a vacuum sizing plastic sleeve elbow extruder with a preheating function.
Meaning of reference numerals in the drawings: 1-mounting rack, 2-extruder, 3-feeding hopper, 4-spiral tube, 001-outer cavity, 002-inner cavity, 003-through groove, 004-arc part, 005-collecting groove, 006-exhaust groove, 101-fixing rack, 102-first driving motor, 103-arc rack, 104-electric push rod, 105-film shell, 106-mandrel, 107-arc air bag, 108-air inlet pipe, 109-first guide pipe, 110-spacer, 111-branch pipe, 112-second guide pipe, 113-arc tube, 114-cylinder, 115-piston rod, 116-fixing plate, 117-limit bar, 118-first fixing rod, 119-sealing block, 201-arc electric slide rail, 202-arc electric slide block, 203-electric clamp, 204-arc cutter, 205-polishing sleeve, 206-dust collector, 207-dust collecting pipe, 301-second driving motor, 302-second fixing rod, 303-receiving rack, 304-electric ring, 305-blanking cutter.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The vacuum sizing plastic sleeve elbow extruder with the preheating function, as shown in figures 1-9, comprises a mounting frame 1, an extruder 2, a feed hopper 3 and a spiral pipe 4; the extruder 2 is arranged at the left part of the upper side of the mounting frame 1; the extruder 2 is connected with bolts and is communicated with a feed hopper 3; a spiral pipe 4 is arranged in the feed hopper 3;
the device also comprises a fixing frame 101, a first driving motor 102, an arc-shaped frame 103, an electric push rod 104, a membrane shell 105 and a core mould 106; two fixing frames 101 which are distributed symmetrically up and down are connected to the mounting frame 1 through bolts; two first driving motors 102 are connected to the upper fixing frame 101 through bolts; each fixing frame 101 is rotationally connected with two arc-shaped frames 103, and the output shafts of the two first driving motors 102 are fixedly connected with one arc-shaped frame 103 above; a core mold 106 is welded between each two upper and lower corresponding arc frames 103; the middle part of each arc-shaped frame 103 is connected with an electric push rod 104 through bolts; the telescopic end of each electric push rod 104 is fixedly connected with a membrane shell 105, the core mould 106 is positioned in the two membrane shells 105, and the membrane shells 105 are provided with an exhaust groove 006 for exhausting.
Also included are spacers 110 and branch pipes 111; each membrane shell 105 is fixedly connected with a spacer 110, the spacer 110 is made of deformable rubber, the interior of the membrane shell 105 is divided into an outer cavity 001 and an inner cavity 002 by the spacer 110, a plurality of through holes are formed in opposite sides of the two membrane shells 105, and all the through holes on each membrane shell 105 are communicated with the outer cavity 001 in the membrane shell 105; each membrane shell 105 is provided with a branch pipe 111, two branches of the branch pipe 111 are provided with control valves, one branch port is communicated with the inner cavity 002, and the other branch port is communicated with the outer cavity 001.
Also included is an arcuate tube 113; each branch pipe 111 is communicated with two arc-shaped pipes 113, and the pipe orifice of each arc-shaped pipe 113 corresponds to the exhaust groove 006 on the membrane housing 105.
The device also comprises a limiting assembly, and each membrane shell 105 is connected with a limiting assembly; the limiting assembly comprises a cylinder 114, a piston rod 115, a fixed plate 116 and a limiting strip 117; two cylinders 114 are fixedly connected in the membrane shell 105, and the two cylinders 114 are positioned in the outer cavity 001; a piston rod 115 is slidably coupled within each cylinder 114; both piston rods 115 are slidably connected to the membrane housing 105; a fixing plate 116 is fixedly connected to each piston rod 115; a limiting bar 117 is fixedly connected between the two fixing plates 116, a plurality of through holes are formed in the limiting bar 117, and the limiting bar 117 is used for blocking a cavity formed between the film shell 105 and the core die 106.
Also included are a first conduit 109 and a second conduit 112; two first conduits 109 are in communication with each mandrel 106; each mandrel 106 is fixedly connected with and penetrates through two second guide pipes 112, and the two second guide pipes 112 are communicated with the inner cavity 002.
Also comprises an arc-shaped air bag 107, an air inlet pipe 108, a first fixed rod 118 and a sealing block 119; each mandrel 106 is fixedly connected with an arc-shaped air bag 107; each arc-shaped air bag 107 is communicated with an air inlet pipe 108; each air inlet pipe 108 is fixedly connected with one core mould 106; ten first fixing rods 118 are fixedly connected to each isolation sheet 110 and the arc-shaped air bags 107 at equal intervals in an arc shape; each first fixing rod 118 is fixedly connected with a sealing block 119, all sealing blocks 119 corresponding to the first fixing rods 118 on all the isolating sheets 110 are in sliding connection with the membrane shell 105, all sealing blocks 119 corresponding to the first fixing rods 118 on all the arc-shaped air bags 107 are in sliding connection with the core mould 106, through grooves 003 corresponding to the sealing blocks 119 are formed in the membrane shell 105 and the core mould 106, the through grooves 003 are provided with two parts, namely a wide part and a narrow part, the narrow parts of the through grooves 003 on the membrane shell 105 and the narrow parts of the through grooves 003 on the core mould 106 are mutually corresponding, and the section size of each sealing block 119 is equal to the size of the narrow parts of the through grooves 003.
When in operation, the branch pipe 111 and the air inlet pipe 108 are connected with the air pump through the hose, the first driving motor 102 at the rear is controlled to start, the output shaft of the first driving motor 102 rotates clockwise based on the condition of looking down from top to bottom, the arc-shaped frame 103 and the parts connected with the arc-shaped frame are driven to rotate, the through holes on the two limit strips 117 are communicated with the extrusion head of the extruder 2, as shown in figure 2, then the extruder 2 extrudes materials into the cavity between the two film shells 105 and the core mould 106 through the through holes on the limit strips 117, the air in the materials is discharged through the air discharge groove 006 on the film shells 105, meanwhile, the branch pipe 111 is started through the air pump connected with the hose, the branch pipe 111 extracts and collects the harmful gases discharged through the air discharge groove 006 through the arc-shaped pipe 113, after the extrusion is completed, the first driving motor 102 is controlled to rotate reversely, the film shells 105 and the core mould 106 are reset to the initial state, the uncooled and shaped material between the membrane shell 105 and the core mould 106 is limited by the limiting strip 117, the material is prevented from directly flowing out through the opening of the cavity between the membrane shell 105 and the core mould 106, the extruder 2 stops extruding, cold water is input into the membrane shell 105 and the core mould 106 to cool the material in an isolated manner by the external water circulation equipment of the first conduit 109 and the second conduit 112, thereby obtaining a corner, then the first driving motor 102 in front is controlled to start, the next corner is extruded by the same working principle as above, the branch pipe 111 and the air inlet pipe 108 are simultaneously started by the air pump externally connected with the flexible pipe, the arc-shaped air bag 107 is pumped by the air inlet pipe 108, the arc-shaped air bag 107 is contracted, the arc-shaped air bag 107 drives the corresponding first fixing rod 118 and the sealing block 119 to move, the control valve on the branch pipe 111 communicated with the inner cavity 002 is controlled to open, air is conveyed to the inner cavity 002 through the branch pipe 111, and then the isolating sheet 110 is deformed to drive the corresponding first fixing rod 118 and the sealing blocks 119 to move, so that all the sealing blocks 119 are moved to the wide part of the through groove 003, the narrow part of the through groove 003 is opened, at the moment, heated water in the film shell 105 and the core mould 106 flows to the elbow through the through groove 003, meanwhile, the branch pipe 111 continues to convey air to the inner cavity 002 to increase the pressure therein, the outflow speed of hot water in the inner cavity 002 through the through groove 003 is quickened, the elbow is further cooled through hot water, the molding quality of the elbow is better through secondary classification, the plastic crystallinity is low or irregular crystals are prevented from affecting the quality of the elbow due to direct cooling and shaping by using cold water, the surface and the inner wall of the elbow are immersed in water, the elbow is convenient for demolding, then the control valve on the other branch of the branch pipe 111 is controlled to open, air is further conveyed into the outer cavity 001 through the branch pipe 111, the air pressure in the outer cavity 001 is increased, the piston rod 115 is pushed to slide in the cylinder 114, the piston rod 115 drives the fixing plate 116 and the limiting strip 117 to move, the limiting strip 117 is separated from the end part of the corner, then the two electric push rods 104 at the rear are controlled to shrink, the two film shells 105 are separated from each other and separated from the corner, and simultaneously the two film shells 105 are simultaneously pumped through the branch pipe 111, and simultaneously the two film shells 105 are separated from the corner, the gas is pumped through the through holes in the film shells 105, the harmful gas emitted by the corner is pumped away, the body of operators is prevented from being harmed, the corner is exposed in the air at the moment to be continuously cooled, after the cooling is finished, the hot water in the film shells 105 and the core mold 106 is pumped through the water circulation equipment, the hot water is circulated through the spiral pipe 4, and then preheat the material in the feeder hopper 3, promote material extrusion shaping effect, follow through peripheral extraction equipment with the corner follow mandrel 106 take off can to make the corner once direct shaping, avoid carrying out shaping processing through straight tube secondary heating, reduce processing step, reduced the energy consumption.
Example 2
On the basis of example 1, as shown in figures 10-12,
the device also comprises a demoulding assembly, and the right part of the mounting frame 1 is connected with the demoulding assembly; the demolding assembly comprises an arc-shaped electric sliding rail 201, an arc-shaped electric sliding block 202 and an electric clamp 203; two arc-shaped electric sliding rails 201 are fixedly connected to the right part of the mounting frame 1; two arc-shaped electric sliding rails 201 are respectively connected with an arc-shaped electric sliding block 202 in a sliding way; each arc-shaped electric slider 202 is bolted with an electric clamp 203, the clamping plates of the electric clamp 203 being arranged in an arc shape matching the corners.
The cutter also comprises an arc cutter 204 and a polishing sleeve 205; each electric clamp 203 is welded with an arc cutter 204 through a connecting block; each arc-shaped cutter 204 is fixedly connected with a polishing sleeve 205, each polishing sleeve 205 is fixedly connected with another arc-shaped cutter 204, the two ends of each arc-shaped cutter 204 are respectively provided with a cutting edge, through holes on all the lower film shells 105 are inclined towards the middle part of the film shells 105, and redundant waste materials at the upper die line position of the pipe bending head and water gap materials formed at the position of the exhaust groove 006 are cut off through the arc-shaped cutters 204; a collecting groove 005 is formed in the clamping plate below the electric clamp 203, and scraps generated by polishing the polishing sleeve 205 are collected through the collecting groove 005.
The lower part of each electric clamp 203 is connected with a dust collection assembly; the dust collection assembly comprises a dust collector 206 and a dust collection pipe 207; each electric clamp 203 is provided with a dust collector 206, and each dust collector 206 is communicated with a dust collecting pipe 207; each dust collecting tube 207 is fixedly connected with a clamping plate below the electric clamp 203, and the dust collecting tubes 207 are communicated with the collecting tank 005.
After the corner cooling is completed, support the corner through mandrel 106, control arc electronic slider 202 and slide in arc electronic slide rail 201, make arc electronic slider 202 drive electronic clamp 203 and remove, make electronic clamp 203 remove to the corner middle part correspond the position, at this in-process arc cutter 204 laminating corner surface, with the unnecessary waste material in die line position on the corner and the mouth of a river material excision that the exhaust groove 006 department formed, simultaneously, the air pump carries the air in the outer cavity 001 of the membrane shell 105 of below through below's branch pipe 111, because the through-hole on the membrane shell 105 of below is the slope form, as shown in fig. 12, and then the air spouts to the corner lower half through the through-hole, form the wind wall, protect arc cutter 204 excision crushed aggregates that drops to the membrane shell 105 of below, polish the cover 205 laminating corner surface simultaneously, polish the corner surface, the piece that produces drops and collects in the collecting vat 005 of electronic clamp 203 below splint, avoid the piece to drop to influence follow-up corner shaping quality to the membrane shell 105, with the die line of polishing surface, make the corner 202 is removed through the through-hole, and then the arc slider is removed to the electronic slider, and the corner is then carried out from the arc slider is smooth to the corner is controlled to the corner surface, follow-up to the arc slider is smooth to the corner surface.
Example 3
On the basis of example 2, as shown in fig. 10,
the right part of the mounting frame 1 is connected with the bearing assembly; the bearing assembly comprises a second driving motor 301, a second fixing rod 302 and a bearing frame 303; the right part of the mounting frame 1 is connected with a second driving motor 301 through bolts; the output shaft of the second driving motor 301 is fixedly connected with a second fixing rod 302; a receiving frame 303 is fixedly connected to the second fixing rod 302, an arc-shaped portion 004 for placing a corner is arranged on the receiving frame 303, and the inner wall of the corner is polished through the arc-shaped portion 004.
The device also comprises a power ring 304 and a cutter 305; two electric rings 304 are arranged on the bearing frame 303; each of the movable rings 304 is welded with a cutter 305, and the surface of the cutter 305 is provided with a frosted portion for polishing.
After the electric clamp 203 clamps the corner and the arc-shaped electric slide block 202 slides reversely to reset, the corner is taken down from the mandrel 106 and sleeved on the arc-shaped part 004 of the bearing frame 303, the end part of the corner is contacted with the stock cutter 305, then the electric ring 304 is controlled to be started, the electric ring 304 drives the stock cutter 305 to rotate, the limiting strip 117 at the end part of the corner penetrates through the water gap stock formed by the hole site to be cut off, the end part of the corner is polished through the frosting part of the stock cutter 305, the end part of the corner is smooth, the arc-shaped part 004 of the bearing frame 303 is simultaneously polished through the arc-shaped part 004, the inner wall of the corner is smooth, the forming quality of the corner is ensured, after polishing is finished, the arc-shaped electric slide block 202 is controlled to slide in the arc-shaped electric slide rail 201, the electric clamp 203 drives the arc-shaped cutter 204 and the polishing sleeve 205 to be separated from the corner, the polishing sleeve 205 polishes the rest part of the corner surface through the polishing sleeve 205, meanwhile, the dust collected in the collecting groove 005 is controlled to be pumped, the dust collector 206 is prevented from accumulating too much, finally, the motor is controlled to be removed, the second output shaft 301 is driven by the motor is driven, and the arc-shaped output shaft is driven by the second output shaft 301 or the bearing frame 303 is driven to rotate, and then the corner is driven by the step of the bearing frame 303 to rotate.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted equally without departing from the spirit and scope of the technical solution of the present invention.

Claims (10)

1. A vacuum sizing plastic sleeve elbow extruder with a preheating function comprises a mounting frame (1), an extruder (2), a feed hopper (3) and a spiral pipe (4); an extruder (2) is arranged on the mounting frame (1); a feed hopper (3) is fixedly connected on the extruder (2); a spiral pipe (4) is arranged in the feed hopper (3); the method is characterized in that: the device also comprises a fixing frame (101), a first driving motor (102), an arc-shaped frame (103), an electric push rod (104), a film shell (105) and a core mold (106); two fixing frames (101) which are vertically symmetrically distributed are fixedly connected on the mounting frame (1); two first driving motors (102) are fixedly connected to the upper fixing frame (101); each fixing frame (101) is rotationally connected with two arc frames (103), and the output shafts of the two first driving motors (102) are fixedly connected with one arc frame (103) above; a core mould (106) is fixedly connected between every two arc-shaped frames (103) which correspond to each other up and down; an electric push rod (104) is fixedly connected to the middle part of each arc-shaped frame (103); the telescopic end of each electric push rod (104) is fixedly connected with a membrane shell (105), the core mould (106) is positioned in the two membrane shells (105), and an exhaust groove (006) for exhausting is formed in the membrane shells (105).
2. The vacuum sizing plastic sleeve elbow extruder with a preheating function according to claim 1, wherein the vacuum sizing plastic sleeve elbow extruder is characterized in that: the device also comprises a separation sheet (110) and a branch pipe (111); a separation sheet (110) is fixedly connected in each membrane shell (105), the inside of the membrane shell (105) is divided into an outer cavity (001) and an inner cavity (002) through the separation sheet (110), a plurality of through holes are formed in the opposite sides of the two membrane shells (105), and all the through holes in each membrane shell (105) are communicated with the outer cavity (001) in the membrane shell (105); each membrane shell (105) is provided with a branch pipe (111), two branches of the branch pipe (111) are provided with control valves, one branch port is communicated with the inner cavity (002), and the other branch port is communicated with the outer cavity (001).
3. The vacuum sizing plastic sleeve elbow extruder with a preheating function according to claim 1, wherein the vacuum sizing plastic sleeve elbow extruder is characterized in that: the device also comprises a limiting assembly, and each membrane shell (105) is connected with a limiting assembly; the limiting assembly comprises a cylinder (114), a piston rod (115), a fixed plate (116) and a limiting strip (117); two cylinders (114) are fixedly connected in the membrane shell (105), and the two cylinders (114) are positioned in the outer cavity (001); a piston rod (115) is connected in each cylinder (114) in a sliding way; both piston rods (115) are in sliding connection with the membrane shell (105); each piston rod (115) is fixedly connected with a fixing plate (116); a limiting strip (117) is fixedly connected between the two fixing plates (116), a plurality of through holes are formed in the limiting strip (117), and the limiting strip (117) is used for sealing a cavity formed between the film shell (105) and the core die (106).
4. The vacuum sizing plastic sleeve elbow extruder with a preheating function according to claim 1, wherein the vacuum sizing plastic sleeve elbow extruder is characterized in that: also comprises a first conduit (109) and a second conduit (112); each mandrel (106) is communicated with two first guide pipes (109); each mandrel (106) is fixedly connected with and penetrates through two second guide pipes (112), and the two second guide pipes (112) are communicated with the inner cavity (002).
5. The vacuum sizing plastic sleeve elbow extruder with the preheating function according to claim 2, wherein the vacuum sizing plastic sleeve elbow extruder is characterized in that: the device also comprises an arc-shaped air bag (107), an air inlet pipe (108), a first fixing rod (118) and a sealing block (119); each mandrel (106) is fixedly connected with an arc-shaped air bag (107); each arc-shaped air bag (107) is communicated with an air inlet pipe (108); each air inlet pipe (108) is fixedly connected with one core mould (106); a plurality of first fixing rods (118) are fixedly connected on each isolation sheet (110) and the arc-shaped air bags (107); each first fixed rod (118) is fixedly connected with a sealing block (119), all sealing blocks (119) corresponding to the first fixed rods (118) on all the isolating sheets (110) are in sliding connection with the membrane shell (105), all sealing blocks (119) corresponding to the first fixed rods (118) on all the arc-shaped air bags (107) are in sliding connection with the core mould (106), a plurality of penetrating grooves (003) are formed in the membrane shell (105) and the core mould (106), the penetrating grooves (003) are provided with two parts, namely a wide part and a narrow part, and the penetrating grooves (003) on the membrane shell (105) are mutually corresponding to the penetrating grooves (003) on the core mould (106), so that the cross section of each sealing block (119) is equal to the cross section of each penetrating groove (003).
6. The vacuum sizing plastic sleeve elbow extruder with a preheating function according to claim 1, wherein the vacuum sizing plastic sleeve elbow extruder is characterized in that: the device also comprises a demoulding assembly, and the right part of the mounting frame (1) is connected with the demoulding assembly; the demolding assembly comprises an arc-shaped electric sliding rail (201), an arc-shaped electric sliding block (202) and an electric clamp (203); two arc-shaped electric sliding rails (201) are fixedly connected to the right part of the mounting frame (1); two arc-shaped electric sliding rails (201) are respectively connected with an arc-shaped electric sliding block (202) in a sliding way; each arc-shaped electric sliding block (202) is fixedly connected with an electric clamp (203), and clamping plates of the electric clamps (203) are arranged into arc shapes matched with the corners.
7. The vacuum sizing plastic sleeve elbow extruder with the preheating function according to claim 6, wherein the vacuum sizing plastic sleeve elbow extruder is characterized in that: the device also comprises an arc-shaped cutter (204) and a polishing sleeve (205); each electric clamp (203) is fixedly connected with an arc-shaped cutter (204) through a connecting block; each arc cutter (204) is fixedly connected with a polishing sleeve (205), each polishing sleeve (205) is fixedly connected with another arc cutter (204), two ends of each arc cutter (204) are provided with cutting edges, through holes in all lower membrane shells (105) are inclined towards the middle of the membrane shells (105), and collecting grooves (005) are formed in clamping plates below the electric clamp (203).
8. A vacuum sizing plastic sleeve elbow extruder with a preheating function according to any one of claims 6-7, characterized in that: the electric clamp (203) is connected with a dust collection assembly at the lower part; the dust collection assembly comprises a dust collector (206) and a dust collecting pipe (207); each electric clamp (203) is provided with a dust collector (206), and each dust collector (206) is communicated with a dust collecting pipe (207); each dust collecting pipe (207) is fixedly connected with a clamping plate below the electric clamp (203), and the dust collecting pipes (207) are communicated with the collecting tank (005).
9. The vacuum sizing plastic sleeve elbow extruder with a preheating function according to claim 1, wherein the vacuum sizing plastic sleeve elbow extruder is characterized in that: the device also comprises a bearing assembly, and the right part of the mounting frame (1) is connected with the bearing assembly; the bearing assembly comprises a second driving motor (301), a second fixing rod (302) and a bearing frame (303); the right part of the mounting frame (1) is fixedly connected with a second driving motor (301); the output shaft of the second driving motor (301) is fixedly connected with a second fixing rod (302); a bearing frame (303) is fixedly connected to the second fixing rod (302), and an arc-shaped part (004) for placing a corner is arranged on the bearing frame (303).
10. The vacuum sizing plastic sleeve elbow extruder with a preheating function according to claim 9, wherein: the automatic feeding device also comprises a power ring (304) and a blanking knife (305); two electric rings (304) are arranged on the bearing frame (303); each of the movable rings (304) is fixedly connected with a blanking knife (305).
CN202310907708.4A 2023-07-24 2023-07-24 Vacuum sizing plastic sleeve elbow extruder with preheating function Pending CN116619774A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310907708.4A CN116619774A (en) 2023-07-24 2023-07-24 Vacuum sizing plastic sleeve elbow extruder with preheating function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310907708.4A CN116619774A (en) 2023-07-24 2023-07-24 Vacuum sizing plastic sleeve elbow extruder with preheating function

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CN116619774A true CN116619774A (en) 2023-08-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117226077A (en) * 2023-11-15 2023-12-15 江苏九新特钢制品有限公司 Radiant tube elbow casting drawing of patterns aftertreatment equipment
CN117584029A (en) * 2024-01-19 2024-02-23 广州市奥金金属制品有限公司 Environment-friendly metalwork blank grinding device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN217704643U (en) * 2022-06-21 2022-11-01 天津爱康实业有限公司 Continuous extrusion molding device for plastic pipes
CN116037415A (en) * 2023-01-13 2023-05-02 中山市皇冠胶粘制品有限公司 Waste rubber recovery device for pressure-sensitive adhesive production

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN217704643U (en) * 2022-06-21 2022-11-01 天津爱康实业有限公司 Continuous extrusion molding device for plastic pipes
CN116037415A (en) * 2023-01-13 2023-05-02 中山市皇冠胶粘制品有限公司 Waste rubber recovery device for pressure-sensitive adhesive production

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117226077A (en) * 2023-11-15 2023-12-15 江苏九新特钢制品有限公司 Radiant tube elbow casting drawing of patterns aftertreatment equipment
CN117226077B (en) * 2023-11-15 2024-02-27 江苏九新特钢制品有限公司 Radiant tube elbow casting drawing of patterns aftertreatment equipment
CN117584029A (en) * 2024-01-19 2024-02-23 广州市奥金金属制品有限公司 Environment-friendly metalwork blank grinding device
CN117584029B (en) * 2024-01-19 2024-03-15 广州市奥金金属制品有限公司 Environment-friendly metalwork blank grinding device

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