CN217223128U

CN217223128U - Three-way extruder

Info

Publication number: CN217223128U
Application number: CN202220286889.4U
Authority: CN
Inventors: 季艳庆; 韩连新; 祭立柱; 史训良; 刘立勇
Original assignee: Hebei Hengtong Pipe Fittings Group Co ltd
Current assignee: Hebei Hengtong Pipe Fittings Group Co ltd
Priority date: 2022-02-12
Filing date: 2022-02-12
Publication date: 2022-08-19
Anticipated expiration: 2032-02-12

Abstract

The utility model relates to the technical field of three-way processing equipment, in particular to a three-way extruder; the feeding and discharging device is far away from the device main body to carry out feeding and discharging, so that mechanical injury accidents are effectively reduced, feeding and discharging are facilitated, and the extrusion processing efficiency of the tube blank is improved; the three-way pipe forming die comprises a lower half die, an upper half die matched with the lower half die to form a three-way pipe main pipe die cavity, and a three-way pipe branch pipe die cavity arranged on the upper half die and communicated with the three-way pipe main pipe die cavity to form a base three-way pipe blank die cavity; the lower half die is fixedly arranged on the fluted disc, the driving mechanism for providing power for the rotation of the fluted disc is arranged on the rack, the pushing and feeding mechanism comprises a feeding frame, a third driving cylinder and a feeding die slot, and the output end of the third driving cylinder is provided with a pushing frame which slides along the feeding die slot; the driving mechanism can adopt a stepping motor, and the driving mechanism can also adopt a servo motor and a gear.

Description

Three-way extruder

Technical Field

The utility model relates to a technical field of tee bend processing equipment especially relates to a tee bend extruder.

Background

As is well known, a three-way extruder is a device for extruding and processing pipe blanks into three-way pipes, and publication (bulletin) No. CN202779254U discloses a mechanical double-metal composite three-way pipe forming device, which comprises a lower half die, an upper half die matched with the lower half die to form a main pipe die cavity of the three-way pipe, a branch pipe die cavity of the three-way pipe, which is arranged on the upper half die and communicated with the main pipe die cavity of the three-way pipe to form a base three-way pipe blank die cavity, and a base three-way pipe blank arranged in the base three-way pipe blank die cavity; the end part of one end of the main pipe die cavity of the three-way pipe is provided with a first forming seal head and a first extrusion rod, the first extrusion rod is arranged in a first extrusion cylinder body on the three-way extrusion device, the end part of the other end of the main pipe die cavity of the three-way pipe is provided with a second forming seal head and a second extrusion rod, the second extrusion rod is arranged in a second extrusion cylinder body on the three-way extrusion device, and a forming speed control ejector rod is arranged in a branch pipe die cavity of the three-way pipe. The forming die is reasonable in design, convenient to machine and manufacture, convenient to use and operate, high in forming quality, stable in performance, high in cost performance, strong in practicability, good in using effect and convenient to popularize and use. In the use process, the operation between the upper half die and the lower half die is needed in the process of feeding and discharging the tube blank, so that the mechanical injury accident is easy to happen, the feeding of the tube blank and the discharging of the formed tee joint are inconvenient, the machining efficiency of extruding the tube blank into the tee joint is influenced, and certain use limitation is realized.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a keep away from equipment main part and go up unloading, effectively reduce the accident of hindering the people by machinery, the unloading of being convenient for improves the tee bend extruder of pipe extrusion machining efficiency.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the three-way pipe forming die comprises a lower half die, an upper half die matched with the lower half die to form a three-way pipe main pipe die cavity, and a three-way pipe branch pipe die cavity arranged on the upper half die and communicated with the three-way pipe main pipe die cavity to form a base three-way pipe blank die cavity; the automatic feeding mechanism comprises a rack, a first driving cylinder, two groups of second driving cylinders, a fluted disc and a pushing and feeding mechanism, wherein the first driving cylinder is fixedly arranged at the upper part of the rack, the upper half die is fixedly arranged at the output end of the first driving cylinder, the two groups of second driving cylinders are respectively and fixedly arranged on the side wall of the rack, the output ends of the two groups of second driving cylinders are respectively provided with an annular push plate, the fluted disc is rotatably arranged on the rack, the lower half die is fixedly arranged on the fluted disc, the rack is provided with a driving mechanism for providing power for the rotation of the fluted disc, the pushing and feeding mechanism comprises a feeding frame, a third driving cylinder and a feeding die slot, the third driving cylinder and the feeding die slot are both fixedly arranged on the feeding frame, and the output end of the third driving cylinder is provided with a pushing frame sliding along the feeding die slot; the driving mechanism can adopt a stepping motor, the stepping motor is fixedly arranged on the rack, the output end of the stepping motor is fixedly connected with the middle part of the fluted disc, the driving mechanism can also adopt a servo motor and a gear, the servo motor is fixedly arranged on one side of the rack, the gear is fixedly arranged at the output end of the servo motor, and the gear is meshed with the fluted disc.

Preferably, an air pipe communicated with the die cavity of the three-way branch pipe is arranged on the upper half die.

Preferably, the gear plate further comprises two groups of limiting driving cylinders, the two groups of limiting driving cylinders are fixedly mounted on the rack, and limiting holes corresponding to the limiting driving cylinders are formed in the gear plate.

Preferably, the feeding device further comprises a discharging frame, and the discharging frame is fixedly installed on one side, far away from the pushing and feeding mechanism, of the rack.

Preferably, the central axis of the die cavity of the annular push plate and the main pipe of the three-way pipe are collinear.

Preferably, the blanking frame is provided with a material guide groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a three-way extruder possesses following beneficial effect: the tee joint extruder is characterized in that a pipe blank is placed in a feeding die cavity, the feeding die cavity and a lower half die are in the same orientation in an initial state, the pipe blank is pushed to the lower half die by a feeding frame by starting a third driving cylinder, the lower half die is driven by a fluted disc to rotate for 90 degrees by a driving mechanism, the lower half die and the upper half die are in a horizontal state, the first driving cylinder and two groups of second driving cylinders are started to extrude the pipe blank, and when the next group of pipe blank is pushed to be fed according to the method after the pipe blank is extruded, an extruded tee joint on the lower half die is ejected out, so that the continuous feeding action of the pipe blank and the tee joint is completed, the feeding and discharging are carried out by keeping away from a main body of the extruder, mechanical injury accidents are effectively reduced, the feeding and discharging are convenient, the time interval of the feeding and discharging is shortened, and the extrusion processing efficiency of the pipe blank is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic cross-sectional view taken along line a-a of fig. 2 according to the present invention;

in the drawings, the reference numbers: 1. a lower half mold; 2. an upper half mold; 3. a frame; 4. a first drive cylinder; 5. a second drive cylinder; 6. a fluted disc; 7. a ring-shaped push plate; 8. a drive mechanism; 9. a feeding frame; 10. a third drive cylinder; 11. feeding a die cavity; 12. an air tube; 13. a limiting driving cylinder; 14. a limiting hole; 15. a material guide chute; 16. a blanking frame; 17. and (7) pushing the rack.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the three-way extruder of the present invention comprises a lower half die 1, an upper half die 2 cooperating with the lower half die 1 to form a three-way pipe main pipe die cavity, and a three-way pipe branch die cavity disposed on the upper half die 2 and communicating with the three-way pipe main pipe die cavity to form a base three-way pipe blank die cavity; the automatic feeding device comprises a rack 3, a first driving cylinder 4, two groups of second driving cylinders 5, a fluted disc 6 and a pushing and feeding mechanism, wherein the first driving cylinder 4 is fixedly arranged at the upper part of the rack 3, an upper half die 2 is fixedly arranged at the output end of the first driving cylinder 4, the two groups of second driving cylinders 5 are respectively and fixedly arranged on the side wall of the rack 3, the output ends of the two groups of second driving cylinders 5 are respectively provided with an annular push plate 7, the fluted disc 6 is rotatably arranged on the rack 3, a lower half die 1 is fixedly arranged on the fluted disc 6, the rack 3 is provided with a driving mechanism 8 for providing power for the rotation of the fluted disc 6, the pushing and feeding mechanism comprises a feeding frame 9, a third driving cylinder 10 and a feeding die slot 11, the third driving cylinder 10 and the feeding die slot 11 are both fixedly arranged on the feeding frame 9, and the output end of the third driving cylinder 10 is provided with a pushing frame 17 sliding along the feeding die slot 11; the driving mechanism 8 can adopt a stepping motor which is fixedly arranged on the frame 3, the output end of the stepping motor is fixedly connected with the middle part of the fluted disc 6, the driving mechanism 8 can also adopt a servo motor and a gear, the servo motor is fixedly arranged on one side of the frame 3, the gear is fixedly arranged at the output end of the servo motor, and the gear is meshed with the fluted disc 6; the tube blank is placed in a feeding die groove 11, the feeding die groove 11 and a lower half die 1 are in the same orientation in an initial state, the tube blank is pushed to the lower half die 1 by a feeding frame 9 by starting a third driving cylinder 10, the fluted disc 6 drives the lower half die 1 to rotate by 90 degrees under the driving of a driving mechanism 8, the lower half die 1 and an upper half die 2 are in a horizontal state, a first driving cylinder 4 and two groups of second driving cylinders 5 are started, and the tube blank is extruded and formed; and a gear can also be driven by a servo motor and drives the fluted disc 6 to rotate, so that the lower half die 1 can rotate.

Specifically, an air pipe 12 communicated with a three-way branch pipe die cavity is arranged on the upper half die 2; through the arrangement of the air pipe 12, the air pressure in the die cavity of the three-way branch pipe can be communicated with the outside in the extrusion processing process of the pipe blank, and the air pipe 12 can also be communicated with external vacuum equipment, so that the air pressure in the die cavity of the three-way branch pipe is reduced, and the extrusion molding of the three-way branch pipe of the pipe blank can be facilitated.

Specifically, the gear disc mechanism further comprises two groups of limiting driving cylinders 13, the two groups of limiting driving cylinders 13 are fixedly arranged on the rack 3, and limiting holes 14 corresponding to the limiting driving cylinders 13 are formed in the gear disc 6; after the limiting adjustment of the fluted disc 6 is finished, the output end of the limiting driving cylinder 13 extends into the limiting hole 14 by starting the limiting driving cylinder 13, so that the fluted disc 6 is limited, the lower half die 1 is prevented from moving automatically in the process of extruding the tube blank, and the precision of the extrusion forming of the tee joint is ensured.

Specifically, the automatic feeding device further comprises a blanking frame 16, wherein the blanking frame 16 is fixedly arranged on one side, far away from the pushing and feeding mechanism, of the rack 3; can accept the unloading to the shaping tee bend through unloading frame 16, prevent that the shaping tee bend from directly falling to the ground and the condition that falls the damage takes place.

Specifically, the central axes of the annular push plate 7 and the die cavity of the main pipe of the three-way pipe are collinear; when the annular push plate 7 is used for feeding, the annular push plate 7 can uniformly extrude the tube blank, so that the tube blank is uniformly stressed, and the condition that the quality of the formed tee joint is influenced due to the fact that the tube blank is unevenly stressed is effectively reduced.

Specifically, the blanking frame 16 is provided with a material guide groove 15; the shaping tee bend can follow baffle box 15 landing, can prevent that the shaping tee bend from appearing falling the condition that falls to decrease the damage in the landing process and taking place.

When the extrusion forming device is used, a tube blank is placed in the feeding die groove 11, the feeding die groove 11 and the lower half die 1 are in the same orientation in an initial state, the third driving cylinder 10 is started, the feeding frame 9 pushes the tube blank onto the lower half die 1, the fluted disc 6 drives the lower half die 1 to rotate 90 degrees under the driving of the driving mechanism 8, the lower half die 1 and the upper half die 2 are in a horizontal state, the first driving cylinder 4 and the two groups of second driving cylinders 5 are started, the tube blank is extruded and formed, after the tube blank is extruded and formed, the next group of tube blank is pushed and fed according to the method, the tee joint formed by extrusion on the lower half die 1 is ejected, the continuous feeding action of the tube blank and the tee joint is completed, and the fluted disc 6 is driven to directly rotate by the stepping motor, so that the lower half die 1 rotates; a gear can also be driven by a servo motor and drives the fluted disc 6 to rotate, so that the rotation of the lower half mould 1 is realized; through the arrangement of the air pipe 12, the air pressure in the die cavity of the three-way branch pipe can be communicated with the outside in the extrusion processing process of the pipe blank, and the air pipe 12 can also be communicated with external vacuum equipment, so that the air pressure in the die cavity of the three-way branch pipe is reduced, and the extrusion molding of the three-way branch pipe of the pipe blank can be facilitated; after the limiting adjustment of the fluted disc 6 is finished, the output end of the limiting driving cylinder 13 extends and extends into the limiting hole 14 by starting the limiting driving cylinder 13 to limit the fluted disc 6, so that the lower half die 1 is prevented from moving automatically in the process of extruding the tube blank, and the precision of three-way extrusion forming is ensured; the formed tee joint can be subjected to blanking through the blanking frame 16, so that the formed tee joint is prevented from falling to the ground directly and being damaged; when the annular push plate 7 is used for feeding, the annular push plate 7 can uniformly extrude the tube blank, so that the tube blank is uniformly stressed, and the condition that the quality of a formed tee joint is influenced due to nonuniform stress of the tube blank is effectively reduced; the shaping tee bend can follow baffle box 15 landing, can prevent that the shaping tee bend from appearing falling the condition that falls to decrease the damage in the landing process and taking place.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A three-way extruder comprises a lower half die (1), an upper half die (2) which is matched with the lower half die (1) to form a three-way pipe main pipe die cavity, and a three-way pipe branch pipe die cavity which is arranged on the upper half die (2) and is communicated with the three-way pipe main pipe die cavity to form a base three-way pipe blank die cavity; the automatic feeding device is characterized by further comprising a rack (3), a first driving cylinder (4), two groups of second driving cylinders (5), a fluted disc (6) and a pushing and feeding mechanism, wherein the first driving cylinder (4) is fixedly arranged on the upper portion of the rack (3), the upper half die (2) is fixedly arranged at the output end of the first driving cylinder (4), the two groups of second driving cylinders (5) are respectively and fixedly arranged on the side wall of the rack (3), the output ends of the two groups of second driving cylinders (5) are respectively provided with an annular push plate (7), the fluted disc (6) is rotatably arranged on the rack (3), the lower half die (1) is fixedly arranged on the fluted disc (6), the rack (3) is provided with a driving mechanism (8) for providing power for the rotation of the fluted disc (6), the pushing and feeding mechanism comprises a feeding rack (9), a third driving cylinder (10) and a feeding die slot (11), the third driving cylinder (10) and the feeding die slot (11) are both fixedly arranged on the feeding rack (9), and the output end of the third driving cylinder (10) is provided with a pushing frame (17) which slides along the feeding die cavity (11).

2. Three-way extrusion press according to claim 1, characterised in that the upper die half (2) is provided with a gas pipe (12) communicating with the die cavity of the three-way branch.

3. The three-way extruder according to claim 2, further comprising two sets of limiting driving cylinders (13), wherein the two sets of limiting driving cylinders (13) are fixedly mounted on the frame (3), and the fluted disc (6) is provided with limiting holes (14) corresponding to the limiting driving cylinders (13).

4. The three-way extruder according to claim 3, further comprising a blanking frame (16), wherein the blanking frame (16) is fixedly mounted on the side of the frame (3) away from the push loading mechanism.

5. The three-way extruder according to claim 4, characterized in that the annular push plate (7) is collinear with the central axis of the die cavity of the main pipe of the tee.

6. The three-way extrusion press according to claim 5, characterized in that the blanking frame (16) is provided with a material guide chute (15).