CN115213696A - Processing production system for air conditioner hydraulic T-shaped three-way pipe - Google Patents
Processing production system for air conditioner hydraulic T-shaped three-way pipe Download PDFInfo
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- CN115213696A CN115213696A CN202210723583.5A CN202210723583A CN115213696A CN 115213696 A CN115213696 A CN 115213696A CN 202210723583 A CN202210723583 A CN 202210723583A CN 115213696 A CN115213696 A CN 115213696A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
Abstract
The invention belongs to the technical field of pipe fitting processing, in particular to a processing and producing system for a T-shaped hydraulic three-way pipe of an air conditioner, which comprises a hydraulic forming device and a multi-station processing and cutting device, wherein a straight-through pipe is placed into a transverse channel of an extrusion forming die cavity, two high-pressure liquid injection pipes are respectively plugged into two ports of the straight-through pipe through plungers and injected with high-pressure mixed liquid, and then the straight-through pipe extends along a longitudinal channel of the extrusion forming die cavity to form a T-shaped pipe body with a closed end; the closed end of the T-shaped pipe body respectively realizes opening processing, rounding processing and inner hole cutting processing through an opening station, a rounding station and an inner hole cutting station in sequence. According to the invention, the straight pipe is directly extruded into the T-shaped pipe body by virtue of the hydraulic forming device, and the closed end of the T-shaped pipe body is subjected to opening processing, rounding processing and inner hole cutting processing by virtue of the multi-station processing and cutting device, so that the attractiveness and the mechanical strength of the overall appearance are ensured, and meanwhile, the automation degree is high, the labor cost is reduced, and the processing efficiency is high.
Description
The technical field is as follows:
the invention belongs to the technical field of pipe fitting processing, and particularly relates to a processing production system for a T-shaped hydraulic three-way pipe of an air conditioner.
Background art:
the metal pipe fitting has very common application in various fields of social production, such as automobiles, petrochemicals, ships, water channels and the like, and particularly in industrial and civil air-conditioning refrigeration, the demand of the multi-way metal pipe fitting is continuously increased, so that the market of the multi-way metal pipe fitting has a larger development space both domestically and internationally.
Most of the existing T-shaped three-way pipes are processed by adopting two straight-through pipes, namely, a hole is formed in the middle of one straight-through pipe, and the end part of the other straight-through pipe is welded, so that the T-shaped three-way pipe is processed and produced. The processing of the novel welding rod needs more labor cost, the welding speed is slow, the whole processing efficiency is low, and meanwhile, the appearance is attractive and poor in degree and the mechanical strength is low.
The invention content is as follows:
the invention aims to provide a processing and producing system for a T-shaped hydraulic three-way pipe of an air conditioner, which directly extrudes a straight pipe into a T-shaped pipe body by means of a hydraulic forming device in a hydraulic forming mode, and performs turning and milling on the closed end of the T-shaped pipe body through a multi-station processing and cutting device, so that the T-shaped three-way pipe is processed, the attractiveness and the mechanical strength of the whole appearance are ensured, and meanwhile, the processing system is high in automation degree, low in labor cost and high in processing efficiency.
The invention is realized in the following way:
a processing and producing system for a T-shaped hydraulic three-way pipe of an air conditioner comprises a hydraulic forming device which can extrude a straight-through pipe to form a T-shaped pipe body with a closed end and a multi-station processing and cutting device which carries out opening cutting processing on the closed end of the T-shaped pipe body,
the hydraulic forming device comprises an extrusion forming die cavity, the extrusion forming die cavity is a T-shaped cavity formed by a transverse channel and a longitudinal channel connected to the middle part of the transverse channel, high-pressure liquid injection pipes capable of moving transversely are respectively arranged on the outer sides of two ends of the transverse channel of the extrusion forming die cavity, the straight-through pipe is placed into the transverse channel of the extrusion forming die cavity, two high-pressure liquid injection pipes are respectively plugged into two end openings of the straight-through pipe through a plunger, high-pressure mixed liquid is injected into the two end openings, and then the straight-through pipe extends along the longitudinal channel of the extrusion forming die cavity to form a T-shaped pipe body with a closed end;
multistation processing cutting device is equipped with the anchor clamps subassembly that can press from both sides and get and shift T shape body including opening station, whole circle station and cutting hole station between opening station, whole circle station and the cutting hole station, and the blind end of T shape body is in proper order through opening station, whole circle station and cutting hole station and then realize opening processing, whole circle processing and cutting hole processing respectively under the drive of anchor clamps subassembly.
In the processing production system for the air conditioner hydraulic T-shaped three-way pipe, the hydraulic forming device comprises a rack, an upper die body and a lower die body which are arranged on the rack, the upper die body and the lower die body are arranged in an up-and-down stacked mode, the upper die body can move up and down relative to the lower die body, T-shaped grooves I are formed in the bottom surface of the upper die body and the top surface of the lower die body, and the extrusion forming die cavity is formed between the two T-shaped grooves I.
In foretell a processing production system for air conditioner hydraulic pressure T type three-way pipe, multistation processing cutting device is including base and the material loading vibration dish of setting on the base, opening station, rounding station and cutting hole station transversely set up on the base from a left side to the right side along in proper order, are located to be provided with the material loading station on the left base of opening station, and the discharge end of material loading vibration dish is corresponding with the material receiving end of material loading station, and the T venturi tube body clamp on the material loading station is got and is transferred to the opening station by the anchor clamps subassembly.
In the machining production system for the air-conditioning hydraulic T-shaped three-way pipe, the inner hole cutting station sequentially comprises a rough cutting station and a fine cutting station, and the closed end of the T-shaped pipe body sequentially passes through the rough cutting station and the fine cutting station to realize rough cutting and fine cutting of the inner hole.
In the processing production system for the air conditioner hydraulic T-shaped three-way pipe, the opening station, the rounding station, the rough cutting station and the fine cutting station respectively comprise a cutter holder which is longitudinally connected to the base in a sliding manner and is provided with a cutter, a fixed seat erected on the base and a lifting seat which is positioned right above the fixed seat and can move up and down, a T-shaped groove II matched with the T-shaped pipe body structure is formed in the top surface of the fixed seat and the bottom surface of the lifting seat, the end part of the closed end of the T-shaped pipe body positioned on the T-shaped groove II extends out of the T-shaped groove II and faces towards the corresponding cutter, and the T-shaped pipe body on the T-shaped groove III is clamped and transferred to the opening station by the clamp assembly.
In the processing and production system for the air-conditioning hydraulic T-shaped three-way pipe, the tool apron is provided with the machine tool spindle, the tool is fixedly connected to the front end of the machine tool spindle, and the rear end of the machine tool spindle is in transmission connection with the driving motor.
In foretell a processing production system for air conditioner hydraulic pressure T type three-way pipe, the material loading station is including material loading seat and the material loading passageway that the discharge end is located material loading seat top, the material receiving end of material loading passageway corresponds with the discharge end of material loading vibration dish, longitudinal sliding is connected with the delivery sheet between the discharge end of material loading passageway and the material loading seat, and the delivery sheet is by driving actuating cylinder drive and removing, T-slot three has been seted up on the top surface of material loading seat, set up the T slotted hole corresponding with T-slot three and material loading passageway's discharge end position on the delivery sheet.
In foretell a processing production system for air conditioner hydraulic pressure T type three-way pipe, the anchor clamps subassembly is including transversely setting up the transverse slide rail on the base, and sliding connection has the removal seat on the transverse slide rail, removes to be provided with telescopic cylinder on the seat, and telescopic cylinder's telescopic end is fixed with the thumb cylinder, and the both ends of thumb cylinder are fixed with the clamping jaw respectively, form the centre gripping space to T shape body between two clamping jaws.
In the processing production system for the air conditioner hydraulic T-shaped three-way pipe, a discharging slideway is arranged on the base on the right side of the cutting inner hole station, a receiving container is arranged at the discharging port of the discharging slideway, and a T-shaped pipe body on the cutting inner hole station is clamped and transferred onto the discharging slideway by a clamp assembly.
Compared with the prior art, the invention has the outstanding advantages that:
according to the invention, the straight-through pipe is directly extruded into the T-shaped pipe body by means of the hydraulic forming device in a hydraulic forming mode, and the closed end of the T-shaped pipe body is subjected to opening processing, rounding processing and inner hole cutting processing through the multi-station processing and cutting device, so that the T-shaped three-way pipe is processed, the attractiveness of the overall appearance and the mechanical strength are ensured, and meanwhile, the degree of automation is high, the labor cost is reduced, and the processing efficiency is high.
Description of the drawings:
FIG. 1 is a schematic view of a hydroforming assembly according to the present invention;
FIG. 2 is a second schematic structural view of the hydroforming apparatus of the present invention;
FIG. 3 is a first schematic structural view of the multi-station machining and cutting apparatus of the present invention;
FIG. 4 is a schematic structural view of a multi-station machining and cutting apparatus according to the present invention
Fig. 5 is a third schematic structural view of the multi-station machining and cutting apparatus of the present invention.
In the figure: 1. a high-pressure liquid injection pipe; 2. a frame; 3. an upper die body; 4. a lower die body; 5. a first T-shaped groove; 6. a base; 7. a feeding vibration disc; 8. a tool apron; 9. a cutter; 10. a fixed seat; 11. a lifting seat; 12. a T-shaped groove II; 13. a machine tool spindle; 14. a drive motor; 15. a feeding seat; 16. a feeding channel; 17. a feeding plate; 18. a driving cylinder; 19. a T-shaped groove III; 20. a T-shaped slot; 21. a transverse slide rail; 22. a movable seat; 23. a telescopic cylinder; 24. a thumb cylinder; 25. a clamping jaw; 26. a discharging slideway.
The specific implementation mode is as follows:
the invention is further described below in specific examples, with reference to fig. 1 to 5:
a processing and producing system for a T-shaped hydraulic three-way pipe of an air conditioner comprises a hydraulic forming device which can extrude a straight-through pipe to form a T-shaped pipe body with a closed end and a multi-station processing and cutting device which carries out opening cutting processing on the closed end of the T-shaped pipe body,
the hydraulic forming device comprises an extrusion forming die cavity, the extrusion forming die cavity is a T-shaped cavity formed by a transverse passage and a longitudinal passage connected to the middle part of the transverse passage, high-pressure liquid injection pipes 1 capable of moving transversely are respectively arranged on the outer sides of two ends of the transverse passage of the extrusion forming die cavity, the straight-through pipe is placed into the transverse passage of the extrusion forming die cavity, two high-pressure liquid injection pipes 1 are respectively plugged into two ports of the straight-through pipe through a plunger, high-pressure mixed liquid is injected into the two ports, and then the straight-through pipe extends along the longitudinal passage of the extrusion forming die cavity to form a T-shaped pipe body with a closed end;
multistation processing cutting device is equipped with the anchor clamps subassembly that can press from both sides and get and shift T shape body including opening station, whole circle station and cutting hole station between opening station, whole circle station and the cutting hole station, and the blind end of T shape body is in proper order through opening station, whole circle station and cutting hole station and then realize opening processing, whole circle processing and cutting hole processing respectively under the drive of anchor clamps subassembly.
In the actual processing operation, an operator places the straight pipe in a transverse channel of an extrusion forming die cavity, after the straight pipe is extruded by high-pressure mixed liquid to form a T-shaped pipe body with a closed end, the T-shaped pipe body is taken out of a hydraulic forming device and placed in a multi-station processing and cutting device, and a clamp assembly clamps the T-shaped pipe body to sequentially pass through an opening station, a rounding station and an inner hole cutting station, so that the closed end of the T-shaped pipe body can be sequentially subjected to opening processing, rounding processing and inner hole cutting processing.
According to the invention, the straight-through pipe is directly extruded into the T-shaped pipe body by means of the hydraulic forming device in a hydraulic forming mode, and the closed end of the T-shaped pipe body is subjected to opening processing, rounding processing and inner hole cutting processing through the multi-station processing and cutting device, so that the T-shaped three-way pipe is processed, the attractiveness of the overall appearance and the mechanical strength are ensured, and meanwhile, the degree of automation is high, the labor cost is reduced, and the processing efficiency is high.
Furthermore, the specific structure of the T-shaped cavity in the hydraulic forming device is as follows: the hydraulic forming device comprises a frame 2, an upper die body 3 and a lower die body 4 which are arranged on the frame 2, wherein the upper die body 3 and the lower die body 4 are stacked up and down, the upper die body 3 can move up and down relatively, the lower die body 4 is arranged on the upper die body 3, a T-shaped groove 5 is formed in the bottom surface of the upper die body 3 and the top surface of the lower die body 4, and the two T-shaped grooves 5 form an extrusion forming die cavity. Meanwhile, in order to ensure that the high-pressure liquid injection pipe 1 can transversely move the plunger at one port of the straight-through pipe and can also transversely move to be separated from the straight-through pipe, the high-pressure liquid injection pipe 1 is driven by a hydraulic cylinder to move.
And for further improving multistation processing cutting device's automatic processing degree, its multistation processing cutting device is including base 6 and the material loading vibration dish 7 of setting on base 6, opening station, rounding station and cutting hole station are in proper order from a left side to the right side along transversely setting on base 6, are located to be provided with the material loading station on the left base 6 of opening station, and the discharge end of material loading vibration dish 7 is corresponding with the material receiving end of material loading station, and the T venturi tube body clamp on with the material loading station is got and is transferred to on the opening station by the anchor clamps subassembly. That is, an operator can place the T-shaped pipe bodies with the closed ends formed in the hydraulic forming device into the feeding vibration disc 7, the feeding vibration disc 7 conveys the T-shaped pipe bodies to the feeding station one by one, the T-shaped pipe bodies on the feeding station are clamped and transferred to the opening station through the clamp assembly, and after the T-shaped pipe bodies are machined in the opening station, the clamp assembly clamps and transfers the T-shaped pipe bodies on the opening station to the next station.
In addition, in order to improve the inner diameter machining precision of the opened closed end of the T-shaped pipe body, the inner hole cutting station sequentially comprises a rough cutting station and a fine cutting station, and the closed end of the T-shaped pipe body sequentially passes through the rough cutting station and the fine cutting station to realize rough cutting and fine cutting of the inner hole.
Furthermore, the specific arrangement structure of the opening station, the rounding station, the rough cutting station and the fine cutting station in the multi-station machining and cutting device is as follows: the opening station, the rounding station, the rough cutting station and the fine cutting station comprise a tool apron 8 which is longitudinally connected to the base 6 in a sliding mode and is provided with a tool 9, a fixed seat 10 erected on the base 6 and a lifting seat 11 which is located right above the fixed seat 10 and can move up and down, a T-shaped groove two 12 matched with the T-shaped pipe body structure is formed in the top surface of the fixed seat 10 and the bottom surface of the lifting seat 11, the end part of the closed end of the T-shaped pipe body located on the T-shaped groove two 12 extends out of the T-shaped groove two 12 and faces towards the corresponding tool 9, and the tool 9 is selected and used according to the corresponding station. The processing flow is as follows: firstly, the T-shaped pipe body is placed on the two T-shaped grooves 12 of the fixing seat 10 of one station by the clamp assembly, then the lifting seat 11 moves downwards to enable the two T-shaped grooves 12 to clamp the T-shaped pipe body stably, then the cutter holder 8 drives the cutter 9 to move towards the fixing seat 10, then the cutter 9 processes the closed end of the T-shaped pipe body until the processing is completed, finally the cutter holder 8 drives the cutter 9 to move away from the fixing seat 10, the lifting seat 11 moves upwards, and the clamp assembly is waited to take away the T-shaped pipe body.
Meanwhile, the structure of the cutter 9 arranged on the cutter holder 8 is as follows: the tool apron 8 is provided with a machine tool spindle 13, the tool 9 is fixedly connected to the front end of the machine tool spindle 13, and the rear end of the machine tool spindle 13 is in transmission connection with a driving motor 14.
Furthermore, in order to enable the T-shaped pipe bodies to be clamped by the clamp assemblies one by one on the feeding station, the feeding station comprises a feeding seat 15 and a feeding channel 16, the discharging end of the feeding channel 16 is located above the feeding seat 15, the receiving end of the feeding channel 16 corresponds to the discharging end of the feeding vibration disc 7, a feeding plate 17 is longitudinally connected between the discharging end of the feeding channel 16 and the feeding seat 15 in a sliding mode, the feeding plate 17 is driven by a driving cylinder 18 to move, a T-shaped groove III 19 is formed in the top surface of the feeding seat 15, a T-shaped groove hole 20 corresponding to the T-shaped groove III 19 and the discharging end of the feeding channel 16 is formed in the feeding plate 17, and the clamp assemblies clamp the T-shaped pipe bodies on the T-shaped groove III 19 and transfer the T-shaped pipe bodies to the opening station. Namely, the feeding vibration disc 7 conveys the T-shaped pipe bodies to the feeding end of the feeding channel 16 one by one, the T-shaped pipe body at the discharging end of the feeding channel 16 is blocked by the surface of the feeding plate 17, only one T-shaped pipe body at the discharging end of the feeding channel 16 is received by the T-shaped slot 20 of the feeding plate 17, the feeding plate 17 is driven by the driving cylinder 18 to move towards the direction close to the three 19T-shaped slots until the T-shaped pipe body at the T-shaped slot 20 falls into the three 19T-shaped slots, and then the feeding plate 17 is driven by the driving cylinder 18 to move towards the direction far away from the three 19T-shaped slots.
In addition, the clamp assembly may adopt a commercially available structure, and in this embodiment, the structure adopted by the clamp assembly is as follows: the anchor clamps subassembly is including transversely setting up the transverse slide rail 21 on base 6, and sliding connection has the removal seat 22 on the transverse slide rail 21, removes and is provided with telescopic cylinder 23 on the seat 22, and telescopic cylinder 23's flexible end is fixed with thumb cylinder 24, and thumb cylinder 24's both ends are fixed with clamping jaw 25 respectively, form the centre gripping space to the T shape body between two clamping jaws 25.
Meanwhile, in order to receive the processed T-shaped pipe body, a discharging slide way 26 is arranged on the base 6 on the right side of the cutting inner hole station, a receiving container is arranged at a discharging port of the discharging slide way 26, and the T-shaped pipe body on the cutting inner hole station is clamped and transferred to the discharging slide way 26 by a clamp assembly.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a processing production system for air conditioner hydraulic pressure T type three-way pipe which characterized in that: comprises a hydraulic forming device which can extrude the straight pipe to form a T-shaped pipe body with a closed end and a multi-station processing and cutting device which carries out opening cutting processing on the closed end of the T-shaped pipe body,
the hydraulic forming device comprises an extrusion forming die cavity, the extrusion forming die cavity is a T-shaped cavity formed by a transverse channel and a longitudinal channel connected to the middle part of the transverse channel, high-pressure liquid injection pipes (1) capable of moving transversely are respectively arranged on the outer sides of two ends of the transverse channel of the extrusion forming die cavity, the straight-through pipe is placed in the transverse channel of the extrusion forming die cavity, two high-pressure liquid injection pipes (1) are respectively plugged in two ports of the straight-through pipe through a plunger, high-pressure mixed liquid is injected, and then the straight-through pipe extends along the longitudinal channel of the extrusion forming die cavity to form a T-shaped pipe body with a closed end;
multistation processing cutting device is equipped with the anchor clamps subassembly that can press from both sides and get and shift T shape body including opening station, whole circle station and cutting hole station between opening station, whole circle station and the cutting hole station, and the blind end of T shape body is in proper order through opening station, whole circle station and cutting hole station and then realize opening processing, whole circle processing and cutting hole processing respectively under the drive of anchor clamps subassembly.
2. The processing production system for the air-conditioning hydraulic T-shaped three-way pipe, according to claim 1, is characterized in that: the hydraulic forming device comprises a rack (2), an upper die body (3) and a lower die body (4) which are arranged on the rack (2), wherein the upper die body (3) and the lower die body (4) are stacked up from top to bottom, the upper die body (3) can move up and down relatively, the lower die body (4) can move up and down, a T-shaped groove (5) is formed in the bottom surface of the upper die body (3) and the top surface of the lower die body (4), and the two T-shaped grooves (5) form each other to form the extrusion forming die cavity.
3. The processing production system for the air-conditioning hydraulic T-shaped three-way pipe, according to claim 1, is characterized in that: multistation processing cutting device is including base (6) and material loading vibration dish (7) of setting on base (6), opening station, full circle station and cutting hole station are provided with the material loading station from a left side to the right side along transversely setting up on base (6) in proper order on being located the left base (6) of opening station, and the discharge end of material loading vibration dish (7) is corresponding with the material receiving end of material loading station, and the T venturi tube body clamp on with the material loading station by the anchor clamps subassembly is got and is transferred to the opening station on.
4. The machining production system for the T-shaped hydraulic three-way pipe of the air conditioner as claimed in claim 3, characterized in that: the inner hole cutting station sequentially comprises a rough cutting station and a fine cutting station, and the closed end of the T-shaped pipe body sequentially passes through the rough cutting station and the fine cutting station to realize rough cutting and fine cutting of the inner hole.
5. The processing and production system for the air-conditioning hydraulic T-shaped three-way pipe as claimed in claim 4, characterized in that: the opening station, the rounding station, rough cutting station and thin cutting station all include blade holder (8) that longitudinal sliding connects on base (6) and have cutter (9), erect fixing base (10) on base (6), and be located lifting seat (11) that fixing base (10) are directly over and can reciprocate, T-slot two (12) with T-shaped tubular structure looks adaptation are all seted up to the top surface of fixing base (10) and the bottom surface of lifting seat (11), the blind end tip that is located the T shape body on T-slot two (12) is towards stretching out outside T-slot two (12) and towards corresponding cutter (9).
6. The processing and production system for the air-conditioning hydraulic T-shaped three-way pipe as claimed in claim 5, characterized in that: the tool apron (8) is provided with a machine tool spindle (13), the tool (9) is fixedly connected to the front end of the machine tool spindle (13), and the rear end of the machine tool spindle (13) is in transmission connection with a driving motor (14).
7. The machining production system for the T-shaped hydraulic three-way pipe of the air conditioner as claimed in claim 3, characterized in that: the feeding station comprises a feeding seat (15) and a feeding channel (16) with a discharging end located above the feeding seat (15), the receiving end of the feeding channel (16) corresponds to the discharging end of the feeding vibration disc (7), a feeding plate (17) is connected between the discharging end of the feeding channel (16) and the feeding seat (15) in a longitudinal sliding mode, the feeding plate (17) is driven by a driving cylinder (18) to move, a T-shaped groove III (19) is formed in the top surface of the feeding seat (15), a T-shaped groove hole (20) corresponding to the T-shaped groove III (19) and the discharging end of the feeding channel (16) is formed in the feeding plate (17), and a T-shaped body clamp on the T-shaped groove III (19) is clamped and transferred to the opening station through a clamp assembly.
8. The processing and production system for the air-conditioning hydraulic T-shaped three-way pipe as claimed in claim 3, characterized in that: the clamp assembly comprises a transverse sliding rail (21) transversely arranged on a base (6), a moving seat (22) is connected to the transverse sliding rail (21) in a sliding mode, a telescopic cylinder (23) is arranged on the moving seat (22), a thumb cylinder (24) is fixed to the telescopic end of the telescopic cylinder (23), clamping jaws (25) are fixed to two ends of the thumb cylinder (24) respectively, and a clamping space for the T-shaped pipe body is formed between the two clamping jaws (25).
9. The processing and production system for the air-conditioning hydraulic T-shaped three-way pipe as claimed in claim 3, characterized in that: be located be provided with ejection of compact slide (26) on base (6) on cutting hole station right side, and the discharge port department of ejection of compact slide (26) is provided with the receiving container, is got and is transferred to ejection of compact slide (26) on with the T venturi tube body clamp on cutting the hole station by the anchor clamps subassembly.
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| CN202210723583.5A CN115213696A (en) | 2022-06-23 | 2022-06-23 | Processing production system for air conditioner hydraulic T-shaped three-way pipe |
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| CN202210723583.5A CN115213696A (en) | 2022-06-23 | 2022-06-23 | Processing production system for air conditioner hydraulic T-shaped three-way pipe |
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