CN215151675U

CN215151675U - TPV extrusion die with air pressure control system

Info

Publication number: CN215151675U
Application number: CN202121556371.XU
Authority: CN
Inventors: 吴麟琦
Original assignee: Jiangsu Baodi Automation Equipment Co Ltd
Current assignee: Jiangsu Baodi Automation Equipment Co Ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-14
Anticipated expiration: 2031-07-09

Abstract

The utility model relates to a TPV tubular product production field specifically discloses a TPV extrusion tooling from taking air pressure control system, including gas holder, intake pipe, extrusion tooling and outlet duct, the gas holder is connected with the intake pipe, and the intake pipe is connected with the inlet port above the extrusion tooling, and the discharge gate of extrusion tooling is equipped with the outlet duct, is equipped with the magnetic ball in the outlet duct; the extrusion die comprises a feeding body, a die body, a core rod and an opening die, wherein a feeding runner is arranged in the feeding body, a die cavity communicated with the feeding runner is arranged in the die body, a shunting body is arranged between the feeding body and the die body, the head of the shunting body is of a conical structure, the tail of the shunting body is connected with the core rod, the opening die is arranged outside the core rod, and the opening die is connected with the die body. The utility model discloses a pneumatic control extrudes material outflow speed, makes discharge gate atmospheric pressure more stable, and the material ejection of compact is stable, the better shaping of ejection of compact and tubular product of being convenient for is guaranteed in cooperation extrusion tooling inner structure's setting.

Description

TPV extrusion die with air pressure control system

Technical Field

The utility model belongs to TPV tubular product production field specifically is a TPV extrusion tooling from taking air pressure control system.

Background

TPV pipe products are a new product in the current market and are mainly used for new energy automobiles. Traditional tubular product extrusion tooling can not guarantee the stability of the ejection of compact from the project organization and use operation, is unsuitable TPV straight tube extrusion moulding, and atmospheric pressure control on the existing market moreover, generally only flow control, not control pressure can not guarantee for this reason that atmospheric pressure is stable, produces the impact damage material shaping very easily, and the shaping rate is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a TPV extrusion die from taking air pressure control system, through the setting of magnetic force ball, intake pipe and outlet duct, form a relatively sealed environment when making the material pass through the extrusion die ejection of compact, control the exhaust velocity when the ejection of compact through controlling atmospheric pressure, guarantee the pressure of discharge gate department invariable, prevent that atmospheric pressure from too big producing the impact, damage the material shaping, improve the shaping effect of pipe; through the structure setting inside the extrusion die, the extrusion fluctuation of the material can be reduced, the stability of material discharge is ensured, and the forming effect of the pipe is improved.

In order to solve the technical problem, the utility model provides a TPV extrusion die with an air pressure control system, which comprises an air storage tank, an air inlet pipe, an extrusion die and an air outlet pipe, wherein the air storage tank is connected with the air inlet pipe, the air inlet pipe is connected with an air inlet hole above the extrusion die, the air outlet pipe is arranged at a discharge port of the extrusion die, and a magnetic ball is arranged in the air outlet pipe;

the extrusion die comprises a feeding body, a die body, a core rod and an opening die, wherein a feeding runner is arranged in the feeding body, a die cavity communicated with the feeding runner is arranged in the die body, a shunting body is arranged between the feeding body and the die body, the head part of the shunting body is of a conical structure, the tail part of the shunting body is connected with the core rod, the opening die is arranged outside the core rod, and the opening die is connected with the die body.

Furthermore, the air inlet is arranged on the die body and communicated with the air hole of the flow distribution body and the inner hole of the core rod.

Further, the air outlet pipe is communicated with an outlet at the tail end of the core rod.

Furthermore, the air inlet pipe is provided with an air pressure control element and an air pressure valve.

Further, the shunt body is connected with the core rod through threads.

Further, the die is connected with the die body through a pressing ring, and the pressing ring is connected with the die body through threads.

Furthermore, heaters are arranged on the material feeding body, the die body and the die in the circumferential direction.

Furthermore, a discharging flow channel is formed between the neck mold and the core rod, and the discharging flow channel comprises a conical extrusion flow channel and a flat-section extrusion flow channel.

The utility model has the advantages that:

1. through the setting of magnetic force ball, intake pipe and outlet duct, form a relatively sealed environment when making the material pass through the extrusion tooling ejection of compact, exhaust velocity when controlling the ejection of compact through control atmospheric pressure guarantees the constancy of pressure of discharge gate department, prevents that atmospheric pressure from too big production from strikeing, damages the material shaping, improves the shaping effect of pipe.

2. Through the structure setting inside the extrusion die, the extrusion fluctuation of the material can be reduced, the stability of material discharge is ensured, and the forming effect of the pipe is improved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a structural diagram of a TPV extrusion die with a pneumatic control system;

FIG. 2 is a structural diagram of the extrusion die of the present invention;

in the figure: 1-air storage tank, 2-air inlet pipe, 21-air pressure control element, 22-air pressure valve, 3-extrusion die, 30-air inlet hole, 31-feeding body, 311-feeding flow channel, 32-die body, 33-core rod, 331-conical extrusion flow channel, 332-straight section extrusion flow channel, 34-die, 35-split flow body, 36-pressing ring and 4-air outlet pipe.

Detailed Description

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

In a specific embodiment of the present invention, as shown in fig. 1, a TPV extrusion die with a pneumatic control system includes a gas storage tank 1, a gas inlet pipe 2, an extrusion die 3 and a gas outlet pipe 4, the gas storage tank 1 is connected to the gas inlet pipe 2, the gas inlet pipe 2 is provided with a pneumatic control element 21 and a pneumatic valve 22, the gas inlet pipe 2 is connected to a gas inlet 30 above the extrusion die 3, the gas inlet 30 is provided on a die body 32, the gas inlet 30 is communicated with a gas hole of a fluid separator 35 and an inner hole of a mandrel 33, a discharge port of the extrusion die 3 is provided with the gas outlet pipe 4, the gas outlet pipe 4 is communicated with an outlet at the end of the mandrel 33, and a magnetic ball 5 is provided in the gas outlet pipe 4;

as shown in fig. 2, the extrusion die 3 includes a feeding body 31, a die body 32, a core rod 33 and a die 34, a feeding flow channel 311 is provided in the feeding body 31, a die cavity communicated with the feeding flow channel 311 is provided in the die body 32, a flow distribution body 35 is provided between the feeding body 31 and the die body 32, a head of the flow distribution body 35 is a conical structure, a tail of the flow distribution body is in threaded connection with the core rod 33, the die 34 is provided outside the core rod 33, the die 34 is connected with the die body 32 through a pressing ring 36, the pressing ring 36 is in threaded connection with the die body 32, heaters are provided in circumferential directions of the feeding body 31, the die body 32 and the die 34, a discharge flow channel is formed between the die 34 and the core rod 33, and the discharge flow channel includes a conical extrusion flow channel 331 and a flat extrusion flow channel 332.

The utility model discloses a theory of operation: one end of the feeding body 31 is connected with an extruder, TPV molten material is extruded by the extruder to enter the feeding body 31 of the extrusion die 3 and then enter a tapered section and a straight section of the feeding runner 311, and the material is uniformly compacted for the first time in the process; then the material enters the runner ring flow channel of the splitter 35, the material is uniformly compacted for the second time from the end of the runner ring flow channel to the tapered extrusion flow channel 331, and finally the material can be extruded stably in flow through the straight extrusion flow channel 332 to form an annular material blank with fixed size.

Wherein, at material ejection of compact in-process, open gas holder 1 and ventilate in to intake pipe 2, exhaust velocity when controlling the material ejection of compact is come to control to inside atmospheric pressure, guarantees the constancy of pressure of discharge gate department, prevents that atmospheric pressure too big from producing the impact, damages the material shaping, improves the shaping effect of pipe.

The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.

Claims

1. The TPV extrusion die with the air pressure control system is characterized by comprising an air storage tank (1), an air inlet pipe (2), an extrusion die (3) and an air outlet pipe (4), wherein the air storage tank (1) is connected with the air inlet pipe (2), the air inlet pipe (2) is connected with an air inlet hole (30) above the extrusion die (3), the air outlet pipe (4) is arranged at a discharge hole of the extrusion die (3), and a magnetic ball (5) is arranged in the air outlet pipe (4);

the extrusion die (3) comprises a feeding body (31), a die body (32), a core rod (33) and a die body (34), wherein a feeding flow channel (311) is arranged in the feeding body (31), a die cavity communicated with the feeding flow channel (311) is arranged in the die body (32), a shunting body (35) is arranged between the feeding body (31) and the die body (32), the head of the shunting body (35) is of a conical structure, the tail of the shunting body is connected with the core rod (33), the die body (34) is arranged outside the core rod (33), and the die body (32) is connected with the die body (34).

2. The TPV extrusion die with the air pressure control system as claimed in claim 1, wherein the air inlet hole (30) is arranged on the die body (32), and the air inlet hole (30) is communicated with the air hole of the branch fluid (35) and the inner hole of the core rod (33).

3. The TPV extrusion die with the air pressure control system as claimed in claim 1, wherein the air outlet pipe (4) is communicated with an outlet at the tail end of the core rod (33).

4. The TPV extrusion die with the air pressure control system as claimed in claim 1, wherein the air inlet pipe (2) is provided with an air pressure control element (21) and an air pressure valve (22).

5. The TPV extrusion die with the air pressure control system as claimed in claim 1, wherein the shunting body (35) is connected with the core rod (33) through screw threads.

6. The TPV extrusion die with the air pressure control system as recited in claim 1, characterized in that the die (34) is connected with the die body (32) through a pressing ring (36), and the pressing ring (36) is connected with the die body (32) through threads.

7. The TPV extrusion die with the air pressure control system as claimed in claim 1, wherein the material feeding body (31), the die body (32) and the die (34) are provided with heaters in the circumferential direction.

8. The TPV extrusion die with the air pressure control system as claimed in claim 1, wherein a discharge flow channel is formed between the die (34) and the core rod (33), and the discharge flow channel comprises a conical extrusion flow channel (331) and a straight section extrusion flow channel (332).