CN209829952U - Hydraulic processing device for processing pipe fitting bulge - Google Patents
Hydraulic processing device for processing pipe fitting bulge Download PDFInfo
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- CN209829952U CN209829952U CN201920338118.3U CN201920338118U CN209829952U CN 209829952 U CN209829952 U CN 209829952U CN 201920338118 U CN201920338118 U CN 201920338118U CN 209829952 U CN209829952 U CN 209829952U
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Abstract
The utility model relates to a water pressure processing device for processing pipe fitting bulge, including die holder, water tank, be equipped with the holding chamber of holding pipe fitting on the die holder, the axial interval is equipped with two annular grooves in the holding chamber, the sliding fit has two extrusion components of opposite movement in the holding chamber, two extrusion components include first extrusion component, second extrusion component, and move about respectively on the lateral wall of water tank; a flow channel for water flow is arranged in the first extrusion assembly, a pressure regulating valve and a one-way valve are connected with the flow channel, the pressure regulating valve and the one-way valve are arranged on the first extrusion assembly, and the second extrusion assembly is of a closed structure; the lower die is fixed on a bottom plate of the water tank, and the upper die is driven by a pressing mechanism; the utility model has the advantages of simple structure, high production efficiency and stable product quality.
Description
Technical Field
The utility model belongs to the technical field of the pipe fitting processing, especially, relate to a water pressure processingequipment for processing pipe fitting drum ripples.
Background
The pipe fitting bulging is a very common process, most of the existing processing processes related to the pipe fitting bulging still stay in flaring and necking processes, the process is complicated, and the quality stability is poor; therefore, a device and a method for processing the bulge on the pipe fitting with the publication number of CN104690127A are developed, and compared with the traditional process, the qualitative leap is realized, the processes are reduced from the original five and six processes to one process, the production efficiency is greatly improved, and the stability is high; however, the analysis on the bulge processing device on the pipe piece shows that: firstly, the elastomer in the device is made of polyurethane, but pores are inevitably generated in the polyurethane manufacturing process, the sizes and the positions of the pores are not consistent, and the phenomenon of unstable polyurethane volume can be generated, so that the product is unstable; in the movement process of the elastomer, because the polyurethane is in a repeatedly compressed and rebounded state all the time, the polyurethane is easy to break, the polyurethane needs to be changed irregularly in the processing process, and because the complexity of the mold structure also causes that much time is needed for changing the polyurethane, the production efficiency is greatly influenced; the second, be used for cup jointing the plug main part of elastomer, its processing degree of difficulty is higher, and in use stability is not high moreover, cracked phenomenon appears easily, and it is also comparatively troublesome to change moreover, brings the difficulty for the processing product in-process, leads to machining efficiency low.
Disclosure of Invention
An object of the utility model is to overcome the not enough of prior art existence, and provide a simple structure, machining efficiency is high be used for processing the water pressure processingequipment of pipe fitting drum ripples.
The utility model aims to solve the problems that the hydraulic pressure processing device for processing pipe fitting bulge waves comprises a die holder consisting of an upper die and a lower die and a water tank for placing the die holder, wherein the die holder is provided with a holding cavity for holding pipe fittings, two annular grooves are axially arranged in the holding cavity at intervals, two extrusion assemblies moving in opposite directions are matched in the holding cavity in a sliding manner, and the two extrusion assemblies comprise a first extrusion assembly and a second extrusion assembly and respectively move on the side wall of the water tank; a flow channel for water flow is arranged in the first extrusion assembly, a pressure regulating valve and a one-way valve are connected with the flow channel, and the second extrusion assembly is of a closed structure; the lower die is fixed on a bottom plate of the water tank, and the upper die is driven by a pressing mechanism.
Preferably, the extrusion end of the first extrusion assembly and the extrusion end of the second extrusion assembly are distributed oppositely, the extrusion ends are sleeved in the pipe fitting when moving towards the direction of the pipe fitting, and the bottom end of the extrusion ends is in close contact with the end face of the pipe fitting when moving towards the direction of the pipe fitting.
Preferably, the first extrusion assembly comprises a mandrel, a connecting nut and a connecting seat, one end of the connecting seat is provided with threads, the other end of the connecting seat is connected with the driving mechanism, the mandrel is sleeved on the connecting nut, and the mandrel is installed on the connecting seat through the connecting nut.
Preferably, a through hole penetrating through the whole mandrel is formed in the position of the mandrel, and the end face, in contact with the connecting nut and the connecting seat, of the mandrel is of a stepped structure.
Preferably, an embedded groove for embedding the end face of the mandrel is formed in the end face of the connecting seat, which is in contact with the mandrel, an L-shaped through hole is formed in the connecting seat, one end of the L-shaped through hole is communicated with the through hole in the mandrel, and the other end of the L-shaped through hole is a threaded hole and is communicated with a pressure regulating valve or a one-way valve.
Preferably, the mandrel is provided with three O-shaped rings on the end face, which is in contact with the embedded groove of the connecting seat, of the mandrel, the O-shaped rings are fixed in the placing grooves formed in the end face of the mandrel, two of the placing grooves are formed in the radial end face of the mandrel, and the other placing groove is formed in the axial end face of the mandrel.
Preferably, the diameter of the through hole formed in the mandrel is smaller than the diameter of the L-shaped through hole formed in the connecting seat.
Preferably, a waterproof membrane is arranged on the side wall of the water tank, which is in contact with the first extrusion assembly and the second extrusion assembly, and the waterproof membrane is fixed on the outer side of the side wall of the water tank through a pressing plate and a bolt.
Preferably, an ejection device for separating the pipe fitting from the accommodating cavity is arranged at the right center of the upper die, and the ejection device is located between the two annular grooves.
The utility model has the advantages that: compared with the prior art, firstly, make the extrusion subassembly structure simpler and difficult damage, life also promote by a wide margin in the course of working, secondly, in the pipe fitting course of working, production efficiency is high, the product quality who produces is stable, thirdly, reduce some inspection links, reduce inspection frequency, greatly reduced administrative cost, lay solid foundation for future automated production.
Drawings
Fig. 1 is a schematic structural view of the whole processing device of the present invention.
Fig. 2 is a schematic view of the upper die structure of the present invention.
Fig. 3 is a schematic view of the lower mold structure of the present invention.
The reference numbers in the drawings are respectively: 1. a die holder; 2. a water tank; 3. a pipe fitting; 4. an extrusion assembly; 5. a pressure regulating valve; 6. a one-way valve; 7. a hold-down mechanism; 8. an O-shaped ring; 9. an ejection device; 10. a water pump; 11. an accommodating cavity; 12. a groove; 41. a first extrusion assembly; 42. a second extrusion assembly; 43. a flow channel; 44. extruding the end; 1-1, an upper die; 1-2, a lower die; 2-1, a bottom plate; 2-2, waterproof membrane; 2-3, pressing a plate; 2-4, bolts; 41-1, a mandrel; 41-2, connecting a nut; 41-3, a connecting seat; 41-4, through holes; 41-5, embedding grooves; 41-6, L-shaped through holes; 41-7 and placing grooves.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings 1 to 3: the utility model comprises a die holder 1 consisting of an upper die 1-1 and a lower die 1-2, a water tank 2 for placing the die holder 1, a containing cavity 11 for containing a pipe fitting 3 is arranged on the die holder 1, the pipe fitting 3 is placed at the center of the containing cavity 11, two annular grooves 12 are axially arranged in the containing cavity 11 at intervals, the annular grooves 12 are symmetrically distributed by the center of the containing cavity 11, and the distance between the annular grooves 12 can be determined according to the size requirement of a product to be processed; the accommodating cavity 11 is internally and slidably matched with two extrusion components 4 which move in opposite directions, the extrusion components 4 are driven by a driving mechanism, the driving mechanism is an extruder, and the two extrusion components 4 comprise a first extrusion component 41 and a second extrusion component 42 and respectively move on the side wall of the water tank 2; a flow passage 43 for water flow is arranged in the first extrusion assembly 41, a pressure regulating valve 5 and a one-way valve 6 are connected with the flow passage 43, the pressure regulating valve 5 is used for controlling the water pressure in the flow passage 43, the one-way valve 6 is used for controlling the unidirectional flow of water in the flow passage 43, and the second extrusion assembly 42 is of a closed structure; the lower die 1-2 is fixed on a bottom plate 2-1 of the water tank 2, the water tank 2 is of a semi-closed structure and can allow the upper die 1-1 to freely move at the upper end of the water tank 2, the upper die 1-1 is driven by a pressing mechanism 7, and the pressing mechanism 7 is a vertical extruder.
The extrusion end 44 of first extrusion subassembly 41 is the relative distribution with the extrusion end 44 of second extrusion subassembly 42, and first extrusion subassembly 41, second extrusion subassembly 42 can synchronous operation, that is to say that the speed that two extrusion subassemblies 4 moved equals, extrusion end 44 can be simultaneously at the both ends contact of pipe fitting 3, extrusion end 44 is overlapped in pipe fitting 3 when moving toward the pipe fitting direction, the terminal surface in close contact with pipe fitting 3 when moving toward the pipe fitting direction of extrusion end 44's bottom, aim at: when the two extruding ends 44 are respectively in close contact with the two ends of the pipe fitting 3, the pressure in the pipe fitting 3 can be increased, and the pipe wall is promoted to expand towards the annular groove 12 on the die holder 1.
The first extrusion assembly 41 comprises a mandrel 41-1, a connecting nut 41-2 and a connecting seat 41-3, the mandrel 41-1 is movably arranged in an accommodating cavity 11 arranged on the die holder 1, one end of the connecting seat 41-3 is provided with threads for being connected with the connecting nut 41-2, the other end of the connecting seat is connected with a driving mechanism, the mandrel 41-1 is sleeved on the connecting nut 41-2, and the mandrel 41-1 is arranged on the connecting seat 41-3 through the connecting nut 41-2; the structure makes the replacement and installation of parts convenient.
The second extrusion assembly 42 is of a closed structure, which means that the mandrel therein is of a structure without a flow passage, and the structure at the rear end of the mandrel may be the same as or different from that of the first extrusion assembly, provided that the structure at the rear end must be adapted to the driving mechanism, so as to ensure the synchronism of the two extrusion assemblies 4.
A through hole 41-4 penetrating through the whole mandrel is formed in the mandrel of the mandrel 41-1, and the end face of the mandrel 41-1, which is in contact with the connecting nut 41-2 and the connecting seat 41-3, is of a stepped structure; an embedded groove 41-5 for embedding the end face of the mandrel is formed in the end face of the connecting seat 41-3, which is in contact with the mandrel 41-1, and the end of the mandrel 41-1 with a step-shaped structure is embedded into the embedded groove 41-5, so that the axial stability of the mandrel 41-1 is better, and the size precision is better in the process of machining the pipe fitting 3; an L-shaped through hole 41-6 is formed in the connecting seat 41-3, one end of the L-shaped through hole 41-6 is communicated with the through hole 41-4 on the mandrel 41-1, and the other end of the L-shaped through hole is a threaded hole and is communicated with the pressure regulating valve 5 or the one-way valve 6.
In order to improve the sealing performance between the L-shaped through hole 41-6 and the through hole 41-4, the end face of the mandrel 41-1, which is in contact with the insertion groove 41-5 of the connecting seat 41-3, is provided with an O-ring 8, the O-ring 8 is fixed in a placement groove 41-7 formed in the end face of the mandrel 41-1, and the placement grooves 41-7 are three, two of the placement grooves are arranged on the radial end face of the mandrel 41-1, and the other placement groove is arranged on the axial end face of the mandrel 41-1.
The diameter of the through hole 41-4 arranged in the mandrel 41-1 is smaller than that of the L-shaped through hole 41-6 arranged in the connecting seat 41-3, so that the water pressure at the end of the through hole 41-4 can be increased.
The side wall of the water tank 2, which is in contact with the first extrusion assembly 41 and the second extrusion assembly 42, is provided with a waterproof membrane 2-2, and the waterproof membrane 2-2 is fixed on the outer side of the side wall of the water tank 2 through a pressure plate 2-3 and a bolt 2-4; when the squeezing component 4 moves between the side wall of the water tank 2, the liquid in the water tank 2 is prevented from flowing out from the gap between the squeezing component 4 and the side wall of the water tank 2.
An ejection device 9 for separating the pipe fitting 3 from the accommodating cavity 11 is arranged at the right center of the upper die 1-1, and the ejection device 9 is positioned between the two annular grooves 12.
A method of machining using a hydraulic machining apparatus for machining a pipe bulge, the method comprising the steps of:
s1, mounting a lower die 1-2 on a die holder 1 on a bottom plate 2-1 of a water tank 2, mounting an upper die 1-1 on a driving end of a pressing mechanism 7, and enabling the upper die 1-1 and the lower die 1-2 to correspond one to one through guide posts 1-3;
s2, pouring water mixed with the wire-cutting emulsified oil into the water tank 2 with the die holder 1 installed, and enabling the water to submerge the accommodating cavity 11 of the die holder 1;
s3, placing the pipe fitting 3 into a lower die accommodating cavity of the die holder 1, then enabling the accommodating cavity of the upper die 1-1 to tightly press the pipe fitting 3 through the pressing mechanism 7, at the moment, starting the water pump 10 communicated with the pressure regulating valve 5 or the one-way valve 6 to work, and simultaneously enabling the two extrusion assemblies 4 to synchronously move towards the pipe fitting 3, wherein the flow passage 43 in the first extrusion assembly 41 is filled with water through the water pump 10;
s4, when the squeezing ends 44 of the two squeezing assemblies 4 contact the end surface of the pipe 3, the squeezing ends 44 and the end surface of the pipe 3 will squeeze and seal, at the same time, the first squeezing assembly 41 injects water into the pipe 3 through the flow channel 43, and generates water pressure in the pipe 3 through the water pump 10 and the pressure regulating valve 5, and at this time, the blast wave of the pipe 3 to be processed expands to the two annular grooves 12 formed in the die holder 1 through the pipe wall until the pipe 3 is formed;
s5, after the pipe fitting 3 is formed, the two extrusion assemblies 4 are synchronously reset, at the moment, the upper die 1-1 is opened through the pressing mechanism 7, and the ejection device 9 on the upper die 1-1 ejects the formed pipe fitting out of the upper die 1-1.
The present invention is not limited to the above embodiments, and any change is made on the shape or material composition, and all the structural designs provided by the present invention are all the deformation of the present invention, which should be considered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a water pressure processingequipment for processing pipe fitting drum ripples, includes die holder (1) that comprises last mould (1-1), lower mould (1-2) for place water tank (2) of die holder (1), be equipped with holding chamber (11) of holding pipe fitting (3) on die holder (1), axial interval is equipped with two annular groove (12) in holding chamber (11), sliding fit has two extrusion subassembly (4) of relative motion in holding chamber (11), its characterized in that: the two squeezing assemblies (4) comprise a first squeezing assembly (41) and a second squeezing assembly (42) and are respectively and movably arranged on the side wall of the water tank (2); a flow channel (43) for water flow is arranged in the first extrusion assembly (41), a pressure regulating valve (5) and a one-way valve (6) are connected with the flow channel (43), and the second extrusion assembly (42) is of a closed structure; the lower die (1-2) is fixed on a bottom plate (2-1) of the water tank (2), and the upper die (1-1) is driven by a pressing mechanism (7).
2. The hydraulic processing apparatus for processing pipe drumheads of claim 1, wherein: the extrusion end (44) of first extrusion subassembly (41) with the extrusion end (44) of second extrusion subassembly (42) are relative distribution, just extrusion end (44) is overlapped in pipe fitting (3) when moving toward the pipe fitting direction, the bottom of extrusion end (44) is when moving toward the pipe fitting direction with the terminal surface in close contact with pipe fitting (3).
3. The hydraulic processing apparatus for processing pipe drumheads of claim 1, wherein: the first extrusion assembly (41) comprises a mandrel (41-1), a connecting nut (41-2) and a connecting seat (41-3), one end of the connecting seat (41-3) is provided with threads, the other end of the connecting seat is connected with a driving mechanism, the mandrel (41-1) is sleeved on the connecting nut (41-2), and the mandrel (41-1) is installed on the connecting seat (41-3) through the connecting nut (41-2).
4. The hydraulic processing apparatus for processing pipe drumheads of claim 3, wherein: the through hole (41-4) penetrating through the whole mandrel is formed in the position of the mandrel core of the mandrel (41-1), and the end face, in contact with the connecting nut (41-2) and the connecting seat (41-3), of the mandrel (41-1) is of a stepped structure.
5. The hydraulic processing apparatus for processing pipe drumheads of claim 4, wherein: an embedded groove (41-5) for embedding the end face of the mandrel is formed in the end face of the connecting seat (41-3) which is in contact with the mandrel (41-1), an L-shaped through hole (41-6) is formed in the connecting seat (41-3), one end of the L-shaped through hole (41-6) is communicated with the through hole (41-4) in the mandrel (41-1), and the other end of the L-shaped through hole is a threaded hole and is communicated with a pressure regulating valve (5) or a one-way valve (6).
6. The hydraulic processing apparatus for processing pipe drumheads of claim 5, wherein: the end face, in contact with the embedded groove (41-5) of the connecting seat (41-3), of the mandrel (41-1) is provided with an O-shaped ring (8), the O-shaped ring (8) is fixed in a placing groove (41-7) formed in the end face of the mandrel (41-1), the number of the placing grooves (41-7) is three, two of the placing grooves are arranged on the radial end face of the mandrel (41-1), and the other placing groove is arranged on the axial end face of the mandrel (41-1).
7. The hydraulic processing apparatus for processing pipe drumheads of claim 5, wherein: the diameter of a through hole (41-4) formed in the mandrel (41-1) is smaller than that of an L-shaped through hole (41-6) formed in the connecting seat (41-3).
8. The hydraulic processing apparatus for processing pipe drumheads of claim 1, wherein: and the side wall of the water tank (2) contacted with the first extrusion assembly (41) and the second extrusion assembly (42) is provided with a waterproof membrane (2-2), and the waterproof membrane (2-2) is fixed on the outer side of the side wall of the water tank (2) through a pressing plate (2-3) and a bolt (2-4).
9. The hydraulic processing apparatus for processing pipe drumheads of claim 1, wherein: an ejection device (9) used for enabling the pipe fitting (3) to be separated from the accommodating cavity (11) is arranged at the right center of the upper die (1-1), and the ejection device (9) is located between the two annular grooves (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920338118.3U CN209829952U (en) | 2019-03-18 | 2019-03-18 | Hydraulic processing device for processing pipe fitting bulge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920338118.3U CN209829952U (en) | 2019-03-18 | 2019-03-18 | Hydraulic processing device for processing pipe fitting bulge |
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| CN209829952U true CN209829952U (en) | 2019-12-24 |
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| CN201920338118.3U Active CN209829952U (en) | 2019-03-18 | 2019-03-18 | Hydraulic processing device for processing pipe fitting bulge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967577A (en) * | 2019-03-18 | 2019-07-05 | 宁波永享铜管道有限公司 | For processing the hydraulic pressure processing unit (plant) and its processing method of pipe fitting drum wave |
| CN111922197A (en) * | 2020-07-29 | 2020-11-13 | 江苏银羊不锈钢管业有限公司 | Automatic production equipment for bent pipes |
-
2019
- 2019-03-18 CN CN201920338118.3U patent/CN209829952U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967577A (en) * | 2019-03-18 | 2019-07-05 | 宁波永享铜管道有限公司 | For processing the hydraulic pressure processing unit (plant) and its processing method of pipe fitting drum wave |
| CN111922197A (en) * | 2020-07-29 | 2020-11-13 | 江苏银羊不锈钢管业有限公司 | Automatic production equipment for bent pipes |
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