CN206796488U

CN206796488U - A kind of adjustable tubular sectional material extruder of section bar Wall thickness uniformity

Info

Publication number: CN206796488U
Application number: CN201720091859.7U
Authority: CN
Inventors: 杨文飞; 覃孟然
Original assignee: Guangzhou Institute Of Mechanical Technology Co Ltd
Current assignee: Guangzhou Institute Of Mechanical Technology Co Ltd
Priority date: 2017-01-22
Filing date: 2017-01-22
Publication date: 2017-12-26
Anticipated expiration: 2027-01-22

Abstract

The utility model discloses a kind of adjustable tubular sectional material extruder of section bar Wall thickness uniformity, it is provided with extruder main body, extrusion shaping machine mouth (2) and head, and the charging aperture of the extrusion shaping machine mouth (2) is arranged on by the head on the discharging opening of the extruder main body；The extrusion shaping machine mouth (2) is made up of transition conduit (201), expects pipe (202), installing plate (203), plug (204), at least three set screws (205), big locknut (206), discharging tube assembly and cooling water mechanism.The structure of extrusion shaping machine mouth used by the utility model, can adjust discharging tube assembly reducing tube chamber and plug concentricity, have production tubular section bar uniform wall thickness, material by fluency it is good the advantages of.

Description

A kind of adjustable tubular sectional material extruder of section bar Wall thickness uniformity

Technical field

A kind of extruder is the utility model is related to, specifically a kind of adjustable tubular section bar of section bar Wall thickness uniformity squeezes Go out machine.

Background technology

Rubber-plastic sponge pipe is closed pore elastomeric material, have it is soft and bend around, cold-resistant, heat-resisting, fire-retardant, waterproof, thermal conductivity factor The premium properties such as low, damping, sound-absorbing.It can be widely applied to central air-conditioning, building, chemical industry, medicine, light textile, metallurgy, ship, car , all kinds of cold and hot medium pipelines, the container of the industry such as electrical equipment and department, the effect for reducing cold damage and heat waste can be reached.And due to It is easy for construction, outward appearance is neat and artistic, does not pollute, therefore is a kind of cross-centennial heat-insulating material of new generation of high-quality.

Common grain forming extruding dies can directly process several discharging molding ports because simple in construction, so as to Form the production model of multiple dischargings.But for cast, piece type or other special-shaped section bars, due to complicated, Er Qieling Part is made up of multiple, can not accomplish the pattern of multiple molding ports, and one unidirectional mode can only be all gone out using one, and productivity is low, Efficiency is low.

And pipe profile extrusion neck ring mold is much all processed into associated mode, when part is machined with error, pipe will result in Moulding mixture wall unevenness is even.And to adjust the concentricity of molding mass, it is necessary to re-work or make an amendment again after part is dismantled.This Sample one will result in the manufacturing schedule of factory.It is heavier and the combining structure of this head and mouth mold is typically all big part, Assembly and disassembly are required for calling fork truck or hanging machine, so secure context has certain hidden danger again.

Utility model content

Technical problem to be solved in the utility model is：A kind of adjustable tubular section bar of section bar Wall thickness uniformity is provided to squeeze Go out machine.

Solves above-mentioned technical problem, technical scheme is as follows used by the utility model：

A kind of adjustable tubular sectional material extruder of section bar Wall thickness uniformity, provided with extruder main body, it is characterised in that：It is described Tubular sectional material extruder be additionally provided with extrusion shaping machine mouth and head；The charging aperture of the extrusion shaping machine mouth passes through the head On the extruder body discharge port；

Described extrusion shaping machine mouth by transition conduit, expects pipe, installing plate, plug, at least three set screws, big locknut, The tube assembly that discharges and cooling water mechanism composition, the rear end mouth of pipe of the transition conduit as the extrusion shaping machine mouth charging aperture, The front end mouth of pipe is threadedly coupled with the rear end mouth of pipe of the expects pipe so that the tube chamber of the expects pipe is connected by the tube chamber of the transition conduit The discharging opening of shunting head corresponding to logical；The wall of the lumen of the expects pipe is provided with the internal thread positioned at anterior nozzle position from front to back And the first order ring-shaped step and second level ring-shaped step that internal diameter reduces step by step, and the expects pipe sets at least three around it The tapped through hole that axis is evenly arranged；The installing plate is provided with positioned at the installing blind of front end face center and around described Multiple openings of installing blind arrangement, the installing plate are placed in the tube chamber of the expects pipe and are fixed on the second level annular On step, the rearward end of the plug is stretched into the tube chamber of the expects pipe and is fixed in the installing blind of the installing plate；Institute Stating discharging tube assembly has rear big preceding small reducing tube chamber, and the rearward end of the discharging tube assembly is placed in the tube chamber of the expects pipe And gap is left between its outer wall and the wall of the lumen of the expects pipe, reducer pipe intracavitary of the plug positioned at the discharging tube assembly And it is big after being formed before small annular reducing discharge pipe, be respectively connected with a regulation spiral shell in the tapped through hole of each expects pipe Silk, the end of each set screw is pressed on the outer wall of the discharging tube assembly after penetrating the tube chamber of the expects pipe, described Big locknut can be connected with the internal thread of the expects pipe by its external screw thread the discharging tube assembly being pressed in the first order ring On shape step；The cooling water mechanism can guide the outer wall that the expects pipe is flowed through by the cooling water of external water source supply.

For the ease of the processing and installation of the tube assembly that discharges, as preferred embodiment of the present utility model：Described goes out Expects pipe component is by small locknut and is that tubular mouth mold seat, mouth mold cup and mouth mold form, wherein, the mouth mold seat is positioned at thereafter The outer wall of end position is provided with boss, the inwall positioned at its leading section position is provided with internal thread, and the mouth mold cup is located at it The outer wall of rearward end position be provided with outer wall boss, positioned at end position thereafter inwall formed with annular slope, before it The inwall of end position is provided with inwall boss, and the mouth mold is provided with boss, positioned at it positioned at the outer wall of end position thereafter The inwall of rearward end position is formed with annular slope；The mouth mold be placed in the tube chamber of the mouth mold cup and with the mouth mold cup mistake Cross cooperation, and the boss of the mouth mold can be pressed on the inwall boss of the mouth mold cup when it is by active force forward； The rear portion of the mouth mold cup is placed in the tube chamber of the mouth mold seat and passes through it with the mouth mold seat interference fits, the small locknut External screw thread is connected with the internal thread of the mouth mold seat so that the outer wall boss of mouth mold cup can when it is by active force forward It is pressed on the small locknut；The end of each set screw is pressed in the convex of the mouth mold seat after penetrating the tube chamber of the expects pipe On the outer wall of platform, the big locknut can be connected the boss of the mouth mold seat by its external screw thread with the internal thread of the expects pipe It is pressed on the first order ring-shaped step.

In order that material by the tube chamber of expects pipe when it is more smooth, as preferred embodiment of the present utility model：Institute The rear end face center for stating installing plate is provided with cone boss.

For the ease of the processing and installation of the tube assembly that discharges, as preferred embodiment of the present utility model：Described is cold But water dispenser structure is made up of the collar and water-impermeable piece, and the outer wall of the expects pipe is provided with annular groove, and the collar is enclosed on the expects pipe Outside and cover the annular groove, and the collar is welded and fixed with expects pipe, and the water-impermeable piece is arranged on the annular groove It is interior so that by the collar and water-impermeable piece cut-off as the C-shaped tank of closing, the set is equipped with to be connected the annular groove respectively Lead to the water inlet and delivery port at the C-shaped tank both ends, the cooling water of the external water source supply flows into institute by the water inlet Flowed out again by the delivery port after stating C-shaped tank.

Described head is shunting head, and the rear end face of the shunting head, which is provided with, can be installed in the extruder main body Charging aperture, front end face on discharging opening are provided with least two discharging openings that the charging aperture is connected by runner；It is also, described Each of which discharging opening, which is corresponded to, on the front end face of shunting head is welded with an extrusion shaping machine mouth, each described extrusion The charging aperture of forming machine mouth connects the discharging opening of shunting head corresponding to it.

As preferred embodiment of the present utility model：Described shunting head is provided with 12 discharging openings, each The discharging opening is evenly arranged around the central axis of the charging aperture of the shunting head.

Compared with prior art, the utility model has the advantages that：

First, the structure of extrusion shaping machine mouth used by the utility model, the reducer pipe of discharging tube assembly can be adjusted The concentricity of chamber and plug, have production tubular section bar uniform wall thickness, material by fluency it is good the advantages of.

Second, the utility model is provided with shunting head so that and the material of extruder extrusion can be shunted by shunting head, By multiple extrusion shaping machine mouths, the section bar by material forming for required production, the shunting head can coordinate extrusion shaping machine simultaneously Mouth realizes multiple discharging openings while is molded the tubular section bar of output, and therefore, the utility model can be that common extruder realizes more Road material is shaped to the production model of section bar simultaneously, and it efficiently, quickly, stably, improves the production efficiency of factory.

Brief description of the drawings

The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：

Fig. 1 is the dimensional structure diagram of tubular sectional material extruder of the present utility model, wherein, extruder main is not shown Body；

Fig. 2 is the front view that head is shunted in the utility model；

Fig. 3 is Fig. 2 A-A sectional views；

Fig. 4 is the sectional view of extrusion shaping machine mouth in the utility model.

Embodiment

As shown in Figures 1 to 4, the adjustable tubular sectional material extruder of section bar Wall thickness uniformity of the present utility model, provided with point Head 1 is flowed, the rear end face of the shunting head 1 is provided with charging aperture 1a, the front end face that can be installed on extruder discharging mouth and is provided with At least two connect charging aperture 1a discharging opening 1b by runner 1c；Also, it is each to correspond to its on the front end face of shunting head 1 Individual discharging opening 1b is welded with an extrusion shaping machine mouth 2, and the charging aperture of each extrusion shaping machine mouth 2 connects to be shunted corresponding to it The discharging opening 1b of head 1；So as to, by the way that the charging aperture 1a attachings for shunting head 1 are locked on the discharging opening of extruder main body, Enable to extruder extrude material can by shunt head 1 shunt after respectively enter each extrusion shaping machine mouth 2, and In the section bar by the aftershaping of extrusion shaping machine mouth 2 for required production.Wherein, shunting head 1 of the present utility model is preferably provided with 12 discharging openings 1b, each discharging opening 1b are evenly arranged around the charging aperture 1a of shunting head 1 central axis.

Tubular sectional material extruder of the present utility model is additionally provided with lifting seat 3, and cunning is provided with the bottom surface of the lifting seat 3 Dynamic castor 4, shunting head 1 are fixed on the top surface of lifting seat 3；So as to when needing production, it is only necessary to shunting head 1 Shifted onto by sliding castor 4 at extruder main body, and the height of shunting head 1 is adjusted by lifting seat 3 so that shunting head The discharging opening of 1 charging aperture 1a alignment extruder main bodys, then the charging aperture 1a attachings for shunting head 1 are locked at extruder main body Discharging opening on, you can to arrange the production of section bar.

Above-mentioned extrusion shaping machine mouth 2 is used to produce tubular section bar, and it is by transition conduit 201, expects pipe 202, installing plate 203, core Rod 204, at least three set screws 205, big locknut 206, discharging tube assembly and cooling water mechanism form, after transition conduit 201 End pipe mouth is threadedly coupled as charging aperture, the front end mouth of pipe of extrusion shaping machine mouth 2 with the rear end mouth of pipe of expects pipe 202 so that expects pipe The discharging opening 1b that 202 tube chamber passes through shunting head 1 corresponding to the tube chamber connection of transition conduit 201；The wall of the lumen of expects pipe 202 is by preceding The first order ring-shaped step 2021 reduced step by step positioned at the internal thread and internal diameter of anterior nozzle position and the second level are provided with to rear Ring-shaped step 2022, and expects pipe 202 sets at least three tapped through hole 202a being evenly arranged around its axis；Installing plate 203 are provided with the installing blind 203a for being located at front end face center and are fitted around multiple openings of blind hole 203a arrangements 203b, installing plate 203 are placed in the tube chamber of expects pipe 202 and are fixed on second level ring-shaped step 2022, the installing plate 203 and material Pipe 202 can also be bolted mode by welding manner fixation and fix, and the rearward end of plug 204 stretches into expects pipe In 202 tube chamber and it is fixed in the installing blind 203a of installing plate 203；The tube assembly that discharges has rear big preceding small reducer pipe Chamber, between the rearward end for the tube assembly that discharges is placed in the tube chamber of expects pipe 202 and left between its outer wall and the wall of the lumen of expects pipe 202 Gap, small annular reducing discharge pipe, each material before plug 204 is big after the reducer pipe intracavitary of discharging tube assembly and formation A set screw 205 is respectively connected with the tapped through hole 202a of pipe 202, the end of each set screw 205 penetrates expects pipe 202 Tube chamber after be pressed in discharging tube assembly outer wall on, big locknut 206 can be connected by its external screw thread with the internal thread of expects pipe 202 Discharging tube assembly is pressed on first order ring-shaped step 2021；Cooling water mechanism can guide the cooling water supplied by external water source Flow through the outer wall of expects pipe 202.

So as to which when tubular sectional material extruder of the present utility model is produced, extrusion is further separated into by shunting head 1 The material in molten condition of the charging aperture of forming machine mouth 2, can pass sequentially through the tube chamber of transition conduit 201, the tube chamber of expects pipe 202 and Each opening 203b of installing plate 203 enters in the annular reducing discharge pipe formed by plug 204 with discharging tube assembly, most Tubular section bar is shaped to by by annular reducing discharge pipe, wherein, material is passing through the water that can be cooled during the tube chamber of expects pipe 202 The cooling water that mechanism provides tentatively cools down and is shaped to thoroughly cool down after tubular section bar from the output of annular reducing discharge pipe； Before big afterwards small annular reducing discharge pipe be able to ensure that material wherein it is smooth by and ensure to be formed during final output and close Suitable wall thickness.

In order to ensure the tubular section bar uniform wall thickness of shaping, produced in tubular sectional material extruder of the present utility model Before, it can first unclamp compression of the big locknut 206 to the tube assembly that discharges so that discharging tube assembly can live in the tube chamber of expects pipe 202 It is dynamic；Then, the length stretched into by adjusting the end of each set screw 205 in the tube chamber of expects pipe 202, i.e., can adjust discharge nozzle The reducing tube chamber of component and the concentricity of plug 204, play a part of the tubular section bar wall thickness uniformity coefficient of adjustment；Finally, again Locking big locknut 206 makes it that discharging tube assembly is pressed on first order ring-shaped step 2021, i.e., can proceed by production.

For the ease of the processing and installation of the tube assembly that discharges, above-mentioned discharging tube assembly is by small locknut 210 and is tubular Mouth mold seat 207, mouth mold cup 208 and mouth mold 209 form, wherein, mouth mold seat 207 is provided with positioned at the outer wall of end position thereafter Boss 2071, the inwall positioned at its leading section position are provided with internal thread, and mouth mold cup 208 is located at thereafter on the outer wall of end position Provided with outer wall boss 2081, positioned at end position thereafter inwall formed with annular slope 208a, positioned at its leading section position Inwall is provided with inwall boss 2082, and mouth mold 209 is provided with boss 2091, positioned at its rear end positioned at the outer wall of end position thereafter The inwall of portion position is formed with annular slope 209a；Mouth mold 209 be placed in the tube chamber of mouth mold cup 208 and with the transition of mouth mold cup 208 Coordinate, and the boss 2091 of mouth mold 209 can be pressed in the inwall boss 2082 of mouth mold cup 208 when it is by active force forward On；The rear portion of mouth mold cup 208 is placed in the tube chamber of mouth mold seat 207 and passes through it with the interference fits of mouth mold seat 207, small locknut 210 External screw thread is connected with the internal thread of mouth mold seat 207 so that the outer wall boss 2081 of mouth mold cup 208 is at it by active force forward When can be pressed on small locknut 210；The end of each set screw 205 is pressed in mouth mold seat 207 after penetrating the tube chamber of expects pipe 202 On the outer wall of boss 2071, big locknut 206 can be connected mouth mold seat 207 by its external screw thread with the internal thread of expects pipe 202 Boss 2071 is pressed on first order ring-shaped step 2021.So as to, when tubular sectional material extruder of the present utility model is produced, Material can cause the boss 2091 of mouth mold 209 to be pressed in the inwall of mouth mold cup 208 by active force during annular reducing discharge pipe On boss 2082, and cause mouth mold cup 208 outer wall boss 2081 be pressed on small locknut 210, it is ensured that mouth mold cup 208 without departing from Mouth mold seat 207, mouth mold 209 are without departing from mouth mold cup 208.

In order that material passes through more smooth, the rear end face center of above-mentioned installing plate 203 during the tube chamber of expects pipe 202 Provided with cone boss 2031.

For the ease of the processing and installation of the tube assembly that discharges, above-mentioned cooling water mechanism is by 212 groups of the collar 211 and water-impermeable piece Into, the outer wall of expects pipe 202 is provided with annular groove 202b, and the collar 211 is enclosed on outside expects pipe 202 and covers annular groove 202b, And the collar 211 is welded and fixed with expects pipe 202, water-impermeable piece 212 is arranged in annular groove 202b so that annular groove 202b quilt covers Ring 211 and the cut-off of water-impermeable piece 212 are as the C-shaped tank of closing, and the collar 211 is provided with the water inlet for being respectively communicated with C-shaped tank both ends And delivery port, the cooling water of external water source supply by delivery port by being flowed out again after water inlet inflow C-shaped tank.

In addition, the utility model can also be in the exit of the annular reducing discharge pipe of each extrusion shaping machine mouth 2 A cooling valve 5 for being circumscribed with source of the gas is placed, so as to, when the speed of each extrusion profile of extrusion shaping machine mouth 2 is inconsistent, Positioned at cooling valve 5 appropriate regulating air volume of the extrusion profile speed than the faster side of extrusion shaping machine mouth 2, cool down out Expect section bar, it is possible to ensure that the section bar extrusion speed of each extrusion shaping machine mouth 2 is relatively average.

The utility model is not limited to above-mentioned embodiment, according to the above, according to the ordinary skill of this area Knowledge and customary means, under the premise of the above-mentioned basic fundamental thought of the utility model is not departed from, the utility model can also be made Equivalent modifications, replacement or the change of other diversified forms, all fall among the scope of protection of the utility model.Such as：It is extruded into Type machine mouth 2 can also use other existing structures to produce other types of section bar.

Claims

A kind of 1. adjustable tubular sectional material extruder of section bar Wall thickness uniformity, provided with extruder main body, it is characterised in that：Described Tubular sectional material extruder is additionally provided with extrusion shaping machine mouth (2) and head；The charging aperture of the extrusion shaping machine mouth (2) passes through described Head is arranged on the discharging opening of the extruder main body；

The extrusion shaping machine mouth (2) by transition conduit (201), expects pipe (202), installing plate (203), plug (204), at least three Set screw (205), big locknut (206), discharging tube assembly and cooling water mechanism composition, the rear end pipe of the transition conduit (201) Mouth is threadedly coupled as charging aperture, the front end mouth of pipe of the extrusion shaping machine mouth (2) with the rear end mouth of pipe of the expects pipe (202), So that discharging opening of the tube chamber of the expects pipe (202) by shunting head (1) corresponding to the tube chamber connection of the transition conduit (201) (1b)；The wall of the lumen of the expects pipe (202) is provided with the internal thread for being located at anterior nozzle position from front to back and internal diameter subtracts step by step Small first order ring-shaped step (2021) and second level ring-shaped step (2022), and the expects pipe (202) sets at least three rings The tapped through hole (202a) being evenly arranged around its axis；The installing plate (203) is provided with the peace positioned at front end face center Blind hole (203a) and multiple openings (203b) around the installing blind (203a) arrangement are filled, the installing plate (203) is put In the tube chamber of the expects pipe (202) and it is fixed on the second level ring-shaped step (2022), the rear end of the plug (204) Portion stretches into the tube chambers of the expects pipe (202) and is fixed in the installing blind (203a) of the installing plate (203)；The discharging Tube assembly has rear big preceding small reducing tube chamber, and the rearward end of the discharging tube assembly is placed in the tube chamber of the expects pipe (202) And gap is left between its outer wall and the wall of the lumen of the expects pipe (202), the plug (204) is positioned at the discharging tube assembly Big preceding small annular reducing discharge pipe, the tapped through hole of each expects pipe (202) after reducer pipe intracavitary and formation A set screw (205) is respectively connected with (202a), the end of each set screw (205) penetrates the expects pipe (202) be pressed in after tube chamber it is described discharging tube assembly outer wall on, the big locknut (206) can by its external screw thread with it is described The discharging tube assembly is pressed on the first order ring-shaped step (2021) by the internal thread connection of expects pipe (202)；The cooling Water dispenser structure can guide the outer wall that the expects pipe (202) are flowed through by the cooling water of external water source supply.
2. tubular sectional material extruder according to claim 1, it is characterised in that：Described discharging tube assembly is by small locknut (210) and it is that tubular mouth mold seat (207), mouth mold cup (208) and mouth mold (209) form, wherein, the mouth mold seat (207) outer wall positioned at end position thereafter is provided with boss (2071), the inwall positioned at its leading section position is provided with interior spiral shell Line, the mouth mold cup (208) are provided with outer wall boss (2081), positioned at end position thereafter positioned at the outer wall of end position thereafter Inwall of the inwall formed with annular slope (208a), positioned at its leading section position be provided with inwall boss (2082), the mouth Mould (209) positioned at the outer wall of end position thereafter be provided with boss (2091), positioned at end position thereafter inwall formed with ring Shape inclined-plane (209a)；The mouth mold (209) be placed in the tube chamber of the mouth mold cup (208) and with mouth mold cup (208) transition Coordinate, and the boss (2091) of the mouth mold (209) can be pressed in the mouth mold cup (208) when it is by active force forward Inwall boss (2082) on；The rear portion of the mouth mold cup (208) be placed in the tube chamber of the mouth mold seat (207) and with the mouth Die holder (207) interference fits, the small locknut (210) are connected with the internal thread of the mouth mold seat (207) by its external screw thread, made The outer wall boss (2081) of mouth mold cup (208) can be pressed on the small locknut (210) when it is by active force forward； The end of each set screw (205) penetrates after the tube chamber of the expects pipe (202) boss for being pressed in the mouth mold seat (207) (2071) on outer wall, the big locknut (206) can be connected institute by its external screw thread with the internal thread of the expects pipe (202) The boss (2071) for stating mouth mold seat (207) is pressed on the first order ring-shaped step (2021).
3. tubular sectional material extruder according to claim 1, it is characterised in that：In the rear end face of the installing plate (203) Heart position is provided with cone boss (2031).
4. tubular sectional material extruder according to claim 1, it is characterised in that：Described cooling water mechanism is by the collar (211) and water-impermeable piece (212) composition, the outer wall of the expects pipe (202) are provided with annular groove (202b), the collar (211) It is enclosed on outside the expects pipe (202) and covers the annular groove (202b), and the collar (211) welds with expects pipe (202) Fixed, the water-impermeable piece (212) is arranged in the annular groove (202b) so that the annular groove (202b) is by the set Ring (211) and water-impermeable piece (212) cut-off are provided with as the C-shaped tank closed, the collar (211) and are respectively communicated with the C-shaped water The water inlet and delivery port at groove both ends, after the cooling water that the external water source supplies flows into the C-shaped tank by the water inlet Flowed out again by the delivery port.
5. the tubular sectional material extruder according to Claims 1-4 any one, it is characterised in that：Described head is point Head (1) is flowed, the rear end face of the shunting head (1) is provided with the charging aperture that can be installed on the discharging opening of the extruder main body (1a), front end face are provided with least two discharging openings (1b) that the charging aperture (1a) is connected by runner (1c)；It is also, described Each of which discharging opening (1b), which is corresponded to, on the front end face of shunting head (1) is welded with an extrusion shaping machine mouth (2), it is each The charging aperture of the individual extrusion shaping machine mouth (2) connects the discharging opening (1b) of shunting head (1) corresponding to it.
6. tubular sectional material extruder according to claim 5, it is characterised in that：Described shunting head (1) is provided with 12 The individual discharging opening (1b), central axis of each discharging opening (1b) around the charging aperture (1a) of the shunting head (1) It is evenly arranged.