CN216885106U - Plastic pipe extrusion die capable of improving machining precision - Google Patents

Abstract

The utility model relates to an improve plastic tubing extrusion tooling of machining precision relates to mould technical field, still has certain ductility in order to solve just fashioned tubular product, appears phenomenons such as flagging, fracture because of gravity after stretching out the mould a period, the relatively poor problem of machining precision. It includes mould box body and extrusion device, extrusion device sets up in mould box body one side lateral wall, extrusion device and mould box body internal portion intercommunication, the mould box body deviates from one side lateral wall intercommunication of extrusion device has a plurality of pipelines of extruding, one side that a plurality of pipelines of extruding deviate from the mould box body is provided with the stabilized platform, a plurality of stable mouths have been seted up to one side of mould box body to the stabilized mesa, each is stabilized mouthful all with the coaxial setups of corresponding pipeline of extruding, each is stabilized mouthful all to run through along the length direction who stabilizes the platform and sets up, be provided with cooling module on the stabilized platform. This application has the structural integrity of the just fashioned plastic tubing of protection, improves machining precision's effect.

Description

Plastic pipe extrusion die capable of improving machining precision

Technical Field

The application relates to the technical field of dies, in particular to a plastic pipe extrusion die capable of improving machining precision.

Background

The extrusion die is one of molding dies, and is used for molding a product by extruding plastic, and processing the appearance of an article by changing the physical state of a molded material.

Related patent with publication number CN210552908U provides a plastics tubular product extrusion tooling, it includes the extrusion tooling box body, the mould goes out the mouth of pipe, the mould feed inlet, the mould extrusion device, the preceding center at the extrusion tooling box body is established to the mould mouth of pipe, the mould feed inlet is established at the back center of extrusion tooling box body, the mould goes out the mouth of pipe and the mould feed inlet is coaxial, the mould extrusion device is equipped with two, two mould extrusion device respectively the symmetrical both sides of establishing at the extrusion tooling box body, the centre at the mouth of pipe and mould feed inlet are connected to the mould extrusion device, the inside pipe core die post that is equipped with of extrusion tooling box body, the mould goes out the mouth of pipe cup joint in the front end outside of pipe core die post, and the mould goes out the mouth of pipe and does not contact with the pipe core die post, the mould feed inlet passes through the spliced pole and connects the pipe core die post, mould feed inlet, spliced pole, pipe core die post integrated into one piece. And (3) introducing the injection molding material into the extrusion die box body, and extruding and molding the injection molding material through the die outlet pipe orifice under the extrusion of the die extruding device to complete the extrusion of the plastic pipe.

Aiming at the related patents, the inventor finds that after the pipe is extruded through the outlet of the die, the just-formed pipe is not completely cooled and still has certain ductility, and after the pipe extends out of the die for a period of time, the pipe can sag, break and the like due to the gravity, so that the processing precision of the pipe can be reduced.

SUMMERY OF THE UTILITY MODEL

In order to protect the structural integrity of the formed plastic pipe and improve the machining precision, the application provides a plastic pipe extrusion die for improving the machining precision.

The application provides an improve plastic tubing extrusion tooling of machining precision adopts following technical scheme:

the utility model provides an improve plastic tubing extrusion tooling of machining precision, includes mould box body and extrusion device, the extrusion device sets up in mould box body one side lateral wall, the extrusion device communicates with mould box body internal portion, one side lateral wall intercommunication that the mould box body deviates from the extrusion device has a plurality of pipelines of extruding, and is a plurality of one side of extruding the pipeline and deviating from the mould box body is provided with and is used for carrying out the stabilized platform that supports the protection to just fashioned plastic tubing, a plurality of stable mouths have been seted up towards one side of mould box body to the stabilized platform, each the stable mouth all with corresponding coaxial the seting up of pipeline of extruding, each the length direction along the stabilized platform all runs through and sets up the stable mouth, be provided with a plurality of groups on the stabilized platform and be used for carrying out refrigerated cooling module to the shaping plastic tubing.

By adopting the technical scheme, the injection molding material is introduced into the mold box body, the injection molding material in the mold box body is molded and extruded through the extrusion device, after the just-molded plastic pipe passes through the extrusion pipeline, one end of the plastic pipe can enter the corresponding stabilizing port of the stabilizing table, and the just-molded plastic pipe can continuously keep a straight state in the stabilizing port until being cooled and molded; when the plastic tubing is through stabilizing mouthful, start cooling module, cooling module cools down the intraoral plastic tubing of stabilization for the solidification rate of plastic tubing, thereby make the structure of plastic tubing more firm, reduced the plastic tubing solidification slower, thereby lead to the plastic tubing to take place to buckle or damaged problem, improved the quality of the plastic tubing that this application was extruded, the machining precision obtains improving.

Preferably, the cooling module includes circulating water tank, a plurality of liquid pump and a plurality of condenser tube, circulating water tank sets up in the stabilizer below, the end of intaking of liquid pump is linked together with circulating water tank's delivery port, condenser tube one end is linked together with the play water end of corresponding liquid pump, the stabilizer is seted up the end wall of stabilizer and is seted up a plurality of cooling channel that can supply condenser tube to pass, each cooling channel all sets up in the periphery wall department of corresponding stabilizer, condenser tube deviates from the one end of circulating water tank delivery port and buckles and passes in the stabilizer lower surface inserts and establish corresponding cooling channel, the inner wall looks butt that condenser tube outer wall and cooling channel are close to the stabilizer, the condenser tube stretches out the one end of cooling channel and is linked together with circulating water tank's the end of intaking.

Through adopting above-mentioned technical scheme, the liquid pump takes out the cooling water in the circulating water tank from, and the cooling water passes through condenser tube and lasts the heat absorption to cooling channel and the thin wall of stabilizing between the mouthful to can make and be located the plastic tubing that stabilizes within the mouthful and accelerate the progress of cooling solidification, absorbed thermal cooling water can discharge once more into circulating water tank through condenser tube in, thereby make the cooling water can last to cool down for stabilizing intraoral plastics. Through setting up cooling module, improve the cooling solidification process of plastic tubing, can effectively improve the firm degree of plastic tubing to reduce the influence that gravity brought to the plastic tubing, effectively protected the structural integrity of plastic tubing, improved the machining precision and the work efficiency of the extrusion tooling of this application, practicality and economic benefits are higher.

Preferably, the cooling channel is spirally formed along the length direction of the stabilizing table, the stabilizing port is formed between spiral structures of the cooling channel, and the cooling water pipe is spirally formed corresponding to the cooling channel.

Through adopting above-mentioned technical scheme, spiral helicine cooling channel can be so that condenser tube obtains the extension through the length of stabilizing the mouth, can cool off stabilizing intraoral plastic tubing more comprehensively simultaneously to make the cooling of plastic tubing more comprehensive, further improved the firm degree of plastic tubing, make the machining precision of plastic tubing further obtain improving, economic benefits is better.

Preferably, one side of the stabilizing platform, which is away from the mold box body, is provided with a telescopic assembly for adjusting the length of the stabilizing platform.

Through adopting above-mentioned technical scheme, set up flexible subassembly and can make the stabilization platform adapt to the extrusion work of the plastic tubing of different length in a flexible way, because of the difference of production needs, the length of the plastic tubing that extrusion tooling extruded is also different, if stabilization platform length is short excessively, then the longer plastic tubing of length still takes place the risk of buckling after stretching out the stabilization platform, if stabilization platform length overlength, then the shorter plastic tubing of length just can block and can't break away from in the stabilization port, can improve these two kinds of circumstances through setting up flexible subassembly, thereby the practicality and the flexibility of this application have been improved.

Preferably, flexible subassembly is including folding tuber pipe, linkage plate and a plurality of extension pipe, folding tuber pipe one end is connected with the lateral wall that stabilizes the platform back of the body from the mould box body, each it all is linked together with folding tuber pipe to stabilize mouthful, linkage plate is connected with the one end that folding tuber pipe deviates from the stabilized platform, and is a plurality of the extension pipe all sets up in folding tuber pipe, and each the extension pipe all with corresponding stable mouthful coaxial setting, the mouth of pipe diameter of extension pipe is less than the diameter of stabilizing mouthful, extension pipe one end is inserted and is established in corresponding stabilized mouthful, the one end that the extension pipe deviates from the stabilized platform is passed linkage plate and is connected with linkage plate.

By adopting the technical scheme, when the folding air pipe is in a completely compressed state, the lengthening pipe inside the folding air pipe can be embedded into the corresponding stabilizing port; when the length of the stabilizing table needs to be adjusted, the extension pipe in the stabilizing port can be pulled out by pulling the folding air pipe, so that a longer plastic pipe conveying channel is formed with the stabilizing port, the extension pipe finally leaves the telescopic assembly through the connecting plate, the distance for pulling out the folding air pipe depends on the length of a plastic pipe to be produced, the working adaptive range of the stabilizing table can be flexibly changed, and the flexibility and the practicability of the extrusion die are improved.

Preferably, the side walls of the two sides of the stabilizing platform are provided with limiting rods, the length direction of each limiting rod is consistent with the length direction of the stabilizing platform, the side walls of the two sides of the connecting plate are provided with limiting lantern rings, and the limiting lantern rings are respectively sleeved on the corresponding limiting rods.

Through adopting above-mentioned technical scheme, set up the gag lever post and can make the route that folding tuber pipe removed obtain control for the removal of folding tuber pipe is folding to be in a straight line with the steady stage all the time, thereby has guaranteed the structural stability of the inside extension pipe of folding tuber pipe, further makes inside plastic tubing be in straight state, has improved the machining precision.

Preferably, a plurality of locking holes have evenly been seted up along length direction to the gag lever post, be provided with the retaining member on the spacing lantern ring, the retaining member passes the spacing lantern ring and with corresponding locking hole threaded connection.

Through adopting above-mentioned technical scheme, set up the retaining member and can make folding sleeve pipe lock after adjusting to suitable position to make locking Assembly stability under operating condition stronger, improved the problem that flexible subassembly influences the production of plastic tubing because of rocking, further improved the machining precision of this application.

Preferably, each extension pipe inner wall all is provided with a plurality of supporting shoes that are used for supporting the plastic tubing, the supporting shoe sets up in extension pipe inner wall bottom, the concave surface of direction has been seted up to the one side of supporting shoe towards the plastic tubing, the concave surface of direction and the laminating of plastic tubing outer wall.

Through adopting above-mentioned technical scheme, set up support piece and can carry out certain support to the far end of plastic tubing far away, after plastic tubing length is longer, the plastic tubing can take place to buckle because of gravity, and the part of buckling will offset with the extension pipe inner wall, just can restrict the removal of plastic tubing, causes the problem that the plastic tubing blocked in flexible subassembly, through setting up support piece and seting up the direction concave surface, carries out certain support to the plastic tubing of distal end, has improved the stability and the security of this application.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the plastic pipe extending out of the extrusion device is stabilized by arranging the stabilizing table, so that the plastic pipe is in a relatively straight state after extending into the stabilizing port, the probability of bending or breaking of the plastic pipe due to gravity is reduced, the structural integrity of the plastic pipe is protected, the cooling and solidifying process of the plastic pipe is accelerated by the cooling assembly, the structural integrity of the plastic pipe is further protected, the structure of the plastic pipe is firmer, the influence of gravity is reduced, and the processing precision is improved;

2. can change the working length of the stabilizer in a flexible way through setting up flexible subassembly, through the setting of folding tuber pipe, can be so that the stabilizer obtains certain extension, can carry out length adjustment according to the plastic tubing of different length demands to the flexibility and the practicality of this application have been improved.

Drawings

Fig. 1 is a schematic structural diagram of a plastic pipe extrusion die for improving processing accuracy according to an embodiment of the present disclosure.

Fig. 2 is a cross-sectional view at a-a in fig. 1.

Fig. 3 is a partially enlarged view at B in fig. 2.

Fig. 4 is a partially enlarged view at C in fig. 1.

Description of reference numerals: 1. a mold box body; 11. extruding a pipe; 2. an extrusion device; 3. a stabilization stage; 31. a stabilizing port; 32. a cooling channel; 33. a limiting rod; 331. a locking hole; 4. a cooling assembly; 41. a circulating water tank; 42. a liquid pump; 43. a cooling water pipe; 5. a telescoping assembly; 51. folding the air duct; 52. a connector tile; 521. a limiting lantern ring; 522. a locking member; 53. lengthening a pipe; 531. a support member; 532. and a concave guide surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses improve plastic tubing extrusion tooling of machining precision. Referring to fig. 1, the plastic pipe extrusion die for improving the machining precision comprises a die box body 1 and an extrusion device 2, wherein an injection molding material for extrusion molding is arranged inside the die box body 1, and the extrusion device 2 is arranged on the side wall of the die box body 1 and communicated with the inside of the die box body 1. The side wall of one side of the die box body 1 departing from the extrusion device 2 is provided with a plurality of extrusion pipelines 11 for plastic pipes to pass through. In the present embodiment, the number of the extrusion ducts 11 is 4.

Referring to fig. 2 and 3, the side of the extrusion pipe 11 facing away from the die case 1 is provided with a stabilization table 3 for protecting the structural integrity of the just-formed plastic pipe, and the side wall of the stabilization table 3 in the width direction faces the extrusion pipe 11. The stabilizing platform 3 is provided with a plurality of stabilizing openings 31 on the surface facing the extrusion pipeline 11, and the plurality of stabilizing openings 31 penetrate along the width direction of the stabilizing platform 3. In this embodiment, the number of the stabilizing openings 31 is 4, each stabilizing opening 31 corresponds to one of the extruding pipes 11, and each stabilizing opening 31 is coaxial with the corresponding extruding pipe 11.

Referring to fig. 2 and 3, a cooling module 4 for accelerating the cooling and solidifying process of the just-formed plastic pipe is disposed on the stabilizing table 3, and the cooling module 4 includes a circulation water tank 41, a plurality of liquid pumps 42 and a plurality of cooling water pipes 43. The circulating water tank 41 is arranged on the lower surface of the stabilizing table 3, the water inlet end of each liquid pump 42 is communicated with the corresponding water outlet of the circulating water tank 41, and the water outlet end of each liquid pump 42 is communicated with the corresponding cooling water pipe 43; 4 cooling channel 32 have been seted up along length direction to the stabilizer 3, and each cooling channel 32 all corresponds a stabilizing port 31, and each cooling channel 32 all is the heliciform and offers, and each stabilizing port 31 all is located corresponding cooling channel 32 heliciform structure center. One end of the cooling water pipe 43, which is away from the liquid pump 42, is inserted into the corresponding cooling channel 32 and is spirally arranged, and one end of the cooling water pipe 43, which extends out of the cooling channel 32, is communicated with the water inlet of the circulating water tank 41. Through setting up cooling module 4 for the cooling water passes through condenser tube 43 and cooling channel 32 and stabilizes the thin wall looks butt between the mouth 31, thereby absorbs heat to the plastic tubing of stabilizing the mouth 31 inside, thereby improves the process of plastic tubing cooling solidification, makes the structure of plastic tubing more stable, has reduced the plastic tubing and has buckled or cracked probability because of the gravity factor takes place, has improved the mold processing precision of this application to plastic tubing production, has higher economic benefits.

Referring to fig. 2 and 3, a side wall of one end of the stabilization table 3 facing away from the extrusion pipeline 11 is provided with a telescopic assembly 5 for adjusting the working length of the stabilization table 3, and the telescopic assembly 5 comprises a folding air pipe 51, a connecting plate 52 and a plurality of extension pipes 53. One end of the folding air pipe 51 is connected with the end wall of the stabilizing platform 3, which is far away from the extrusion pipeline 11, and each stabilizing port 31 is communicated with the inside of the folding air pipe 51. The connecting plate 52 is connected to one end, away from the stabilizing platform 3, of the folding air pipe 51 through glue, the lengthened pipe 53 is arranged inside the folding air pipe 51, the length direction of the lengthened pipe 53 is consistent with that of the folding air pipe 51, and one end, away from the stabilizing platform 3, of the lengthened pipe 53 penetrates through the connecting plate 52 and is fixedly connected with the connecting plate 52 through welding. In this embodiment, the elongated tube 53 is provided with 4, each elongated tube 53 corresponds to one stabilizing port 31, each elongated tube 53 is coaxial with the corresponding stabilizing port 31, and the diameter of the tube opening of the elongated tube 53 is smaller than the diameter of the stabilizing port 31. When the foldable air duct 51 is in the folded state, one end of the extension pipe 53 is inserted into the stabilizing port 31. The connector tiles 52 are provided with universal wheels on their surfaces to facilitate pulling of the telescopic assembly 5.

Referring to fig. 2 and 3, a plurality of supporting members 531 are disposed inside each elongated tube 53, and the plurality of supporting members 531 are uniformly distributed along the length direction of the elongated tube 53. Each support member 531 is located at the inner bottom wall of the elongated tube 53, a concave guide surface 532 is formed on one surface of each support member 531 facing the plastic tube, and the concave guide surface 532 is attached to the plastic tube. After the plastic pipe reaches a certain length, the plastic pipe is bent to a certain extent inevitably due to gravity, and the support member 531 is arranged to support the plastic pipe at the far end, so that the problem that the plastic pipe is bent in the elongated pipe 53 and abuts against the inner wall of the elongated pipe 53 to block movement is effectively solved, the safety is improved, the structural integrity of the plastic pipe is protected, and the processing precision and the economic benefit are improved.

Referring to fig. 2 and 4, two limiting rods 33 for limiting the moving direction of the telescopic assembly 5 are connected to the side wall of the stabilization platform 3 facing the telescopic assembly 5 by welding, and the length direction of the limiting rods 33 is consistent with the length direction of the stabilization platform 3. The lateral walls of the two sides of the connecting plate 52 are connected with a limiting ring 521 through welding, the limiting ring 521 is sleeved on the limiting rod 33, and the inner diameter of the limiting ring 521 is matched with the diameter of the limiting rod 33. A plurality of locking holes 331 are formed in the extension direction of the limiting rod 33, a locking member 522 is arranged on the limiting collar 521, and the locking member 522 penetrates through the limiting collar 521 and is in threaded connection with the corresponding locking holes 331. In this embodiment, retaining member 522 is locking bolt, and through the setting of gag lever post 33 and retaining member 522, can make the accommodation process of flexible subassembly 5 more stable to make the inside plastic tubing of extension pipe 53 can keep straight better, make the machining precision of the longer plastic tubing of length higher.

The implementation principle of the plastic pipe extrusion die for improving the machining precision is as follows: guiding the injection molding material into the mold shell, and extruding the injection molding material in the mold shell through the extruding device 2; between the plastic tubing shaping is extruded, adjust telescopic component 5 according to the length of the plastic tubing that will process, loosen retaining member 522, pulling connection plate 52 for folding tuber pipe 51 removes along gag lever post 33, thereby takes out extension pipe 53 from stabilizing mouthful 31 and leaves, adjusts to target length after, and rethread retaining member 522 locks spacing lantern ring 521 and gag lever post 33, thereby makes folding tuber pipe 51 fixed.

After the plastic tube is formed and extruded, one end of the plastic tube extends into the stabilizing port 31 and moves toward the elongated tube 53. In the process, the liquid pump 42 is started, the liquid pump 42 pumps cooling water in the circulating water tank 41 and cools the inner walls of the stabilizing port 31 and the cooling channel 32 through the cooling water pipe 43, so that the cooling solidification process of the plastic pipe is accelerated, the structure of the plastic pipe is firmer, the probability that the far end of the plastic pipe is bent or broken due to gravity is reduced, and the processing precision and the economic benefit are improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an improve plastic tubing extrusion tooling of machining precision, includes mould box body (1) and extrusion device (2), extrusion device (2) set up in mould box body (1) one side lateral wall, extrusion device (2) are linked together with mould box body (1) is inside, mould box body (1) deviates from one side lateral wall intercommunication of extrusion device (2) has a plurality of pipelines (11), its characterized in that of extruding: it is a plurality of one side of extruding pipeline (11) and deviating from mould box body (1) is provided with and is used for supporting stabilization platform (3) of protection to just fashioned plastic tubing, stabilization platform (3) have seted up a plurality of stabilizing port (31) towards one side of mould box body (1), each stabilizing port (31) and all coaxial the seting up of corresponding extrusion pipeline (11), each stabilizing port (31) and all running through along the length direction who stabilizes platform (3) and seting up, be provided with on stabilization platform (3) and be used for carrying out refrigerated cooling module (4) to the shaping plastic tubing.

2. A plastic pipe extrusion die for improving processing accuracy according to claim 1, wherein: the cooling assembly (4) comprises a circulating water tank (41), a plurality of liquid pumps (42) and a plurality of cooling water pipes (43), the circulating water tank (41) is arranged below the stabilizing platform (3), the water inlet ends of the liquid pumps (42) are communicated with the water outlet ends of the circulating water tanks (41), one ends of the cooling water pipes (43) are communicated with the water outlet ends of the corresponding liquid pumps (42), the end wall of the stabilizing platform (3) provided with the stabilizing port (31) is provided with a plurality of cooling channels (32) through which the cooling water pipes (43) can pass, each cooling channel (32) is arranged at the peripheral wall of the corresponding stabilizing port (31), one end of each cooling water pipe (43) deviating from the water outlet end of the circulating water tank (41) is bent and penetrates through the lower surface of the stabilizing platform (3) to be inserted into the corresponding cooling channel (32), the outer wall of each cooling water pipe (43) is abutted to the inner wall of the cooling channel (32) close to the stabilizing port (31), one end of the cooling water pipe (43) extending out of the cooling channel (32) is communicated with the water inlet end of the circulating water tank (41).

3. A plastic pipe extrusion die for improving processing accuracy according to claim 2, wherein: cooling channel (32) are offered for the heliciform along the length direction of stabilizer (3), stabilize mouthful (31) and offer between the heliciform structure of cooling channel (32), condenser tube (43) correspond cooling channel (32) and are the heliciform setting.

4. A plastic pipe extrusion die for improving processing accuracy according to claim 2, wherein: one side of the stabilizing platform (3) departing from the mold box body (1) is provided with a telescopic assembly (5) for adjusting the length of the stabilizing platform (3).

5. A plastic pipe extrusion die for improving processing precision according to claim 4, wherein: the telescopic component (5) comprises a folding air pipe (51), a connecting plate (52) and a plurality of lengthening pipes (53), one end of the folding air pipe (51) is connected with the side wall of the stabilizing platform (3) departing from the mould box body (1), each stabilizing opening (31) is communicated with the folding air pipe (51), the connecting plate (52) is connected with one end of the folding air pipe (51) departing from the stabilizing table (3), a plurality of elongated pipes (53) are arranged in the folding air pipe (51), and each lengthening pipe (53) is coaxially arranged with the corresponding stabilizing port (31), the diameter of the pipe opening of the lengthening pipe (53) is smaller than that of the stabilizing opening (31), one end of the lengthened pipe (53) is inserted into the corresponding stabilizing port (31), and one end of the lengthened pipe (53) departing from the stabilizing platform (3) penetrates through the connecting plate (52) and is connected with the connecting plate (52).

6. A plastic tube extrusion die for improving processing accuracy according to claim 5, wherein: the utility model discloses a flexible subassembly of a stabilizing station, including stabilizing platform (3), length direction and the length direction of stabilizing platform (3), the lateral wall of stabilizing platform (3) towards flexible subassembly (5) all is provided with gag lever post (33), the length direction of gag lever post (33) is unanimous with the length direction of stabilizing platform (3), link up fishplate bar (52) both sides lateral wall all is provided with spacing lantern ring (521), corresponding gag lever post (33) is located to spacing lantern ring (521) cover respectively.

7. A plastic pipe extrusion die for improving processing accuracy according to claim 6, wherein: a plurality of locking holes (331) have evenly been seted up along length direction in gag lever post (33), be provided with retaining member (522) on spacing lantern ring (521), retaining member (522) pass spacing lantern ring (521) and with corresponding locking hole (331) threaded connection.

8. A plastic tube extrusion die for improving processing accuracy according to claim 5, wherein: each extension pipe (53) inner wall all is provided with a plurality of supporting shoes that are used for supporting the plastic tubing, the supporting shoe sets up in extension pipe (53) inner wall bottom, concave surface of direction (532) has been seted up to the supporting shoe towards the one side of plastic tubing, concave surface of direction (532) and the laminating of plastic tubing outer wall.

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