CN113182427B

CN113182427B - Three-way pipe processing equipment

Info

Publication number: CN113182427B
Application number: CN202110521015.2A
Authority: CN
Inventors: 梁浩璋; 刘涛
Original assignee: Shaoxing Rongdi Machinery Co ltd
Current assignee: Shaoxing Rongdi Machinery Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-10-29
Anticipated expiration: 2041-05-13
Also published as: CN113182427A

Abstract

The invention discloses three-way pipe processing equipment which comprises an operating platform, wherein a movable die holder and a fixed die holder are arranged on the operating platform, a first die and a second die which can be closed to form a cylindrical cavity are respectively arranged on the movable die holder and the fixed die holder, an expansion channel communicated with the cylindrical cavity is arranged on the second die, an extrusion head is arranged above the second die, a positioning block is arranged in the first die, an expansion ball channel with an inlet communicated with the expansion channel is arranged in the fixed die holder, an inlet of an expansion ball falling pipeline is arranged below an outlet of the expansion ball channel, the bottom of the expansion ball falling pipeline is communicated with the expansion ball lifting pipeline through a downward inclined pipeline, an expansion ball lifting plate is arranged in the expansion ball lifting pipeline in a sliding mode, the expansion ball lifting plate is driven to lift by a first linear driving device, a ball outlet pipeline is arranged below the top of the expansion ball lifting pipeline in an inclined mode, and an electromagnet is arranged on the ball outlet pipeline. The three-way pipe processing equipment is beneficial to energy conservation and emission reduction, and prevents cracks from being generated in the processing process of the cylindrical pipe.

Description

Three-way pipe processing equipment

Technical Field

The invention belongs to the technical field of pipeline processing equipment, and particularly relates to three-way pipe processing equipment.

Background

The three-way pipe is a joint commonly used in liquid and gas pipe networks, the existing three-way pipe processing equipment generally adopts an expansion method to process and generally comprises a three-way pipe die and a pressurizing device, a cavity of the three-way pipe die comprises a transverse channel and a channel communicated with the transverse channel and extending laterally, a cylindrical pipe is placed into the transverse channel of the three-way pipe die during processing, a liquid medium is filled into the cylindrical pipe and extruded, the cylindrical pipe is deformed and shortened due to the pressure at two ends in the extruding process, and the liquid medium is pressed to laterally push the cylindrical pipe to deform towards the channel extending laterally, so that the cylindrical pipe forms a three-way pipe shape matched with the cavity of the three-way pipe die, then the end surface of the channel extending laterally is cut off to form a blank of the three-way pipe, and the blank of the three-way pipe can be processed into the three-way pipe after subsequent processing. In the processing mode, water is generally used as a pressure medium, so that the water consumption is large during production, and the energy conservation and emission reduction are not facilitated; in addition, the requirement on the sealing performance of the equipment is high during processing, so that the production cost of the equipment is high, frequent maintenance is needed to ensure the sealing performance, water is filled in the cylindrical pipe during the processing, the lubricating oil cannot be smeared on the pipe during the extrusion process, so that cracks are easily generated during the pressurization deformation process of the pipe, and the product yield is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the three-way pipe processing equipment which does not need liquid medium, saves a large amount of water, is beneficial to energy conservation and emission reduction, does not need sealing, has low requirement on the sealing property of the equipment, can paint lubricating oil on the surface of the cylindrical pipe during processing because of not needing the liquid medium, and prevents the cylindrical pipe from generating cracks during processing.

In order to solve the technical problem, the invention is solved by the following technical scheme: a three-way pipe processing device comprises an operation platform, wherein a movable die holder and a fixed die holder are arranged on the operation platform, a first die and a second die which can be closed to form a cylindrical cavity are respectively arranged on the movable die holder and the fixed die holder, the movable die holder is driven by a first hydraulic cylinder, an expansion channel communicated with the cylindrical cavity is arranged on the second die, an extrusion head driven by a second hydraulic cylinder is arranged above the second die, a positioning block is arranged in the first die, the extrusion head extrudes towards the side of the positioning block to press an expansion ball to the expansion channel, an expansion ball channel is arranged in the fixed die holder, the inlet of the expansion ball channel is communicated with the expansion channel, the inlet of a falling pipeline of the expansion ball is arranged below the outlet of the expansion ball channel, the bottom of the falling pipeline of the expansion ball is communicated with a lifting pipeline of the expansion ball through a downward inclined pipeline, it is provided with bulging ball lifting plate to slide in the bulging ball lifting pipe way, bulging ball lifting plate can be followed by one the first linear drive device drive lift that bulging ball lifting pipe way axial reciprocated slided, bulging ball lifting pipe way top slant is provided with the export down and aims at the play ball pipeline at first mould top, it attracts to be provided with on the ball pipeline bulging ball gets into the electro-magnet of play ball pipeline, first pneumatic cylinder second pneumatic cylinder, first linear drive device and the electro-magnet is connected with controlling means. When the three-way pipeline processing equipment is processed, firstly, an oval hole is punched on a cylindrical pipe, lubricating oil is smeared on the cylindrical pipe around the oval hole, the oval hole of the cylindrical pipe is aligned with a bulging channel and placed into a cavity of a first die, a switch is started, a control device controls a first linear driving device to lift a bulging ball, the bulging ball automatically falls into the cylindrical pipe from a ball outlet pipeline, the first linear driving device resets, then a first hydraulic cylinder stretches out to match the first die and a second die, a second hydraulic cylinder stretches out to extrude the bulging ball by an extrusion head, the bulging ball is extruded from the bulging channel and becomes a blank of the three-way pipe, then the first hydraulic cylinder retracts to open the die, the bulging ball enters the bulging ball channel from the bulging channel and falls into a quasi bulging ball falling pipeline along the bulging ball channel, and falls onto a bulging ball lifting plate along the pipeline, the three-way pipe processing equipment has the advantages that one-time processing is finished, liquid media are not needed, a large amount of water is saved, energy conservation and emission reduction are facilitated, sealing is not needed, the requirement on the sealing performance of the equipment is lowered, lubricating oil can be smeared on the surface of the cylindrical pipe during processing due to the fact that the liquid media are not needed, and cracks are prevented from being generated in the processing process of the cylindrical pipe.

In the above technical scheme, preferably, the side wall of the bulging ball lifting pipeline is provided with an axial guide port, the movable end of the first linear driving device extends into the bulging ball lifting pipeline from the guide port, the movable end of the first linear driving device is connected with the bulging ball lifting plate, the bulging ball lifting pipeline below the guide port forms a lubricating oil storage cavity, lubricating oil is filled in the lubricating oil storage cavity, and the movable end of the first linear driving device is located at the bottom of the guide port and the bulging ball lifting plate is immersed in the lubricating oil. By adopting the structure, the expanded ball can automatically paint lubricating oil when entering the lubricating oil storage cavity, the lubricating oil can be indirectly automatically painted to the inner wall of the cylindrical pipe, the lubricating oil can be automatically painted, and the lubricating oil does not need to be painted when the cylindrical pipe is installed in the cavity of the first die.

In the above technical scheme, preferably, a connecting rod is arranged on the bulging ball lifting plate, the bottom of the connecting rod is connected with the bulging ball lifting plate, and the upper end of the connecting rod is connected to the movable end of the first linear driving device through a connecting piece.

In the above technical scheme, preferably, the extrusion head is provided with a guide inclined plane, and the positioning block is provided with a horizontal guide groove.

In the above technical solution, preferably, the positioning block is provided with a notch matching the guide slope.

In the above technical scheme, preferably, the telescopic end of the second hydraulic cylinder is connected with a guide head, a lubricating oil extrusion cavity is arranged at the bottom of the guide head, the upper end of the extrusion head is slidably arranged in the lubricating oil extrusion cavity, an oil inlet pipeline and an oil outlet pipeline are arranged on the lubricating oil extrusion cavity, the oil inlet pipeline is connected with an oil tank, the outlet of the oil outlet pipeline is aligned with the joint of the bulging channel and the cylindrical cavity, and a one-way valve is arranged on each of the oil inlet pipeline and the oil outlet pipeline. Adopt this structure to stretch out the in-process that promotes the extrusion head and push down at the second pneumatic cylinder, the extrusion head can be removed to lubricating oil extrusion intracavity, extrude the outer wall to the cylinder pipe from going out oil pipe with the lubricating oil in the lubricating oil extrusion chamber, the in-process that the extrusion head shifts up is driven in the withdrawal of second pneumatic cylinder, the extrusion head removes to lubricating oil extrusion chamber because of self gravity, and inhale lubricating oil extrusion chamber from the oil tank with lubricating oil through advancing oil pipe automatically, realize the automation of lubricating oil and paint, the cylinder pipe can not paint lubricating oil when the die cavity of first mould of packing into.

In the above technical scheme, preferably, a punch driven by a third hydraulic cylinder and extending along the axial direction of the bulging passage is arranged in the fixed die holder, the positioning block is driven to ascend and descend by a second linear driving device, the second linear driving device is arranged at the bottom of the movable die holder, a waste discharge passage is arranged in the positioning block, when the positioning block is located at the top position, an inlet at the upper end of the waste discharge passage is aligned to the punch, when the positioning block is located at the bottom position, the punch is aligned to the center of the bulging ball located above the positioning block, and the third hydraulic cylinder and the second linear driving device are connected with the control device. Because the cylindrical pipe is punched firstly and then is placed in the cavity of the first die, the punched hole needs to be aligned to the bulging channel, and because the cylindrical pipe is placed manually, precision deviation is easy to occur, the blank body processing precision of the three-way pipe formed by final bulging is not high, and an opening formed by bulging is distorted and twisted. The cylindrical pipe does not need to be punched before being placed in the cavity of the first die, after the first die and the second die are closed, the second linear driving device drives the cylindrical pipe to ascend, an inlet at the upper end of the waste discharge channel is aligned to the punch, the third hydraulic cylinder pushes the punch to punch a hole in the cylindrical pipe, and waste materials generated by punching fall down from the waste discharge channel; not only improved machining efficiency, need not counterpoint when putting the die cavity of first mould with the cylinder pipe moreover, the alignment bulging passageway that the hole after punching a hole can be accurate improves the machining precision.

In the above technical scheme, preferably, an air passage connected with an air pump is arranged on the movable die holder, when the positioning block is located at the top position, an outlet at the lower end of the waste discharge passage is aligned with the air passage, an outlet of the bulging ball passage is hinged with a movable door for sealing the outlet of the bulging ball passage, a deflector rod is radially arranged on a rotating shaft of the movable door, a second light-touch switch matched with the deflector rod is arranged on the fixed die holder on one side of the movable door, and the air pump and the second light-touch switch are connected with the control device. Because the situation that the punch is broken exists in the punching, the situation that the punch is not passed can occur, the situation that the punch cannot be directly observed outside the fixed die holder, the second hydraulic cylinder and the extrusion head are overloaded and equipment can be damaged due to the fact that the extrusion bulging ball is directly extruded to perform bulging processing, whether the punch is passed or not needs to be detected, when the punch is punched, the third hydraulic cylinder pushes the punch to stretch and retract once, the control device controls the air pump to blow air into the air passage, if the lower end of the waste discharge passage is aligned with the air passage, most of air can flow through the waste discharge passage, the punched hole and the bulging ball passage to push the movable door open, when the movable door is pushed open, the second tact switch is pressed by the deflector rod, if the second tact switch feeds back an electric signal to the control device, the punching is successful, the next processing is continuously performed, and if the punching is unsuccessful, the second tact switch does not feed back the electric signal to the control device, the control device does not perform the next operation any more, and prompts workers to overhaul. Adopt this structure can whether the automated inspection punches a hole successfully, prevent that second pneumatic cylinder and extrusion head from damaging because of the load is too big. And also can promote the dodge gate when the bulging ball rolls out from bulging ball passageway, the second light touch switch can be pressed by the driving lever when pushing open the dodge gate, if the second light touch switch feeds back the signal of telecommunication to controlling means then shows that the bulging ball rolls out normally, if the second light touch switch does not feed back the signal of telecommunication to controlling means, then it needs the maintenance to show that the bulging ball card needs in the bulging ball passageway.

Among the above-mentioned technical scheme, it is preferred, it has the screw rod of reverse uniform pitch screw thread to rotate on the activity die holder, the screw rod is rotated by a motor drive, the motor is connected with controlling means, screw rod both ends threaded connection has the activity to press from both sides tight piece, be provided with on the activity die holder with the parallel spacing slide of screw rod, two the activity presss from both sides tight piece along with the screw rod rotates in the spacing slide or back of the body mutually slides, be provided with on the first mould with the parallel opening of screw rod, two the activity presss from both sides tight piece and follows the opening stretches into in the first mould, two the activity presss from both sides tight piece extremely the distance at bulging passageway center is the same, the top the activity presss from both sides tight piece bottom and is equipped with first dabbing switch, first dabbing switch connection controlling means. When the cylindrical pipe is placed in the cavity of the first die, the cylindrical pipe can be placed on the movable clamping blocks below the movable clamping blocks, the cylindrical pipe is clamped by the two movable clamping blocks under the drive of the motor, the motor is controlled by the control device, the motor stops running when the first tact switch contacts the cylindrical pipe, and when the cylindrical pipe with any length is clamped, the middle point of the cylindrical pipe can be automatically adjusted and aligned to the center of the bulging channel, so that the three-way pipe is suitable for processing the cylindrical pipes with different lengths into the three-way pipe.

Among the above-mentioned technical scheme, preferred, the top activity presss from both sides tight piece and includes the casing, has the flexible piece, spring and the stopper of spacing step, casing both ends opening, set gradually in the casing flexible piece the spring and the stopper, flexible piece bottom is provided with first light touch switch, be provided with the screw on the stopper, the screw rod passes the casing with the screw cooperation, the spring can be compressed so that flexible piece dodges the cylinder pipe and packs into first mould. When the cylindrical pipe is loaded into the cavity of the first die, the telescopic block can be conveniently loaded by extruding, and the loading is not required to be carried out from the same direction as the die opening direction of the first die.

Compared with the prior art, the invention has the following beneficial effects: when the three-way pipeline processing equipment is processed, firstly, an oval hole is punched on a cylindrical pipe, lubricating oil is smeared on the cylindrical pipe around the oval hole, the oval hole of the cylindrical pipe is aligned with a bulging channel and placed into a cavity of a first die, a switch is started, a control device controls a first linear driving device to lift a bulging ball, the bulging ball automatically falls into the cylindrical pipe from a ball outlet pipeline, the first linear driving device resets, then a first hydraulic cylinder stretches out to match the first die and a second die, a second hydraulic cylinder stretches out to extrude the bulging ball by an extrusion head, the bulging ball is extruded from the bulging channel and becomes a blank of the three-way pipe, then the first hydraulic cylinder retracts to open the die, the bulging ball enters the bulging ball channel from the bulging channel and falls into a quasi bulging ball falling pipeline along the bulging ball channel, and falls onto a bulging ball lifting plate along the pipeline, the three-way pipe processing equipment has the advantages that one-time processing is finished, liquid media are not needed, a large amount of water is saved, energy conservation and emission reduction are facilitated, sealing is not needed, the requirement on the sealing performance of the equipment is lowered, lubricating oil can be smeared on the surface of the cylindrical pipe during processing due to the fact that the liquid media are not needed, and cracks are prevented from being generated in the processing process of the cylindrical pipe.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention.

Fig. 2 is a left side view structural diagram of the embodiment of the invention.

FIG. 3 is a schematic cross-sectional view of the cylindrical tube and the expansion ball in the embodiment of the present invention.

Fig. 4 is a schematic sectional view of punching after mold clamping according to an embodiment of the present invention.

Fig. 5 is a schematic cross-sectional structural view of the extrusion head in the process of downward bulging according to the embodiment of the present invention.

FIG. 6 is a schematic cross-sectional view of the mold opening according to the embodiment of the present invention.

FIG. 7 is a schematic cross-sectional view of an embodiment of an expanding ball hoisting conduit according to the present invention.

FIG. 8 is a schematic view showing a configuration of a first mold in which a cylindrical pipe is inserted according to an embodiment of the present invention.

FIG. 9 is a schematic diagram of the movable clamping blocks clamping and centering a cylindrical pipe according to the embodiment of the invention.

Fig. 10 is a schematic sectional view of the upper movable clamp block in the embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 10, a three-way pipe processing device comprises an operation platform 100, wherein the operation platform 100 is provided with a movable die holder 1 and a fixed die holder 2, the movable die holder 1 is provided with a first die 3, the fixed die holder 2 is provided with a second die 4, the first die 3 and the second die 4 are provided with semicircular cavities in an opposite manner, the movable die holder 1 can drive the first die 3 and the second die 4 to be closed to form a cylindrical cavity, the movable die holder 1 is driven by a first hydraulic cylinder 5, the bottom of the movable die holder 1 is provided with a slide rail, the second die 4 is provided with an expanding channel 42 communicated with the cylindrical cavity, an extrusion head 7 driven by a second hydraulic cylinder 6 is arranged above the second die 4, the extrusion head 7 is aligned with the cavity of the second die 4, a positioning block 8 is arranged in the first die 3, the extrusion head 7 extrudes towards the side of the positioning block 8 and can press an expanding ball 9 to the expanding channel 42, an expansion ball channel 21 is arranged in the fixed die holder 2, the inlet of the expansion ball channel 21 is communicated with an expansion channel 42, the inlet of an expansion ball falling pipeline 101 is arranged below the outlet of the expansion ball channel 21, the bottom of the expansion ball falling pipeline 101 is communicated with an expansion ball lifting pipeline 102 through a downward inclined pipeline, an expansion ball lifting plate 103 is arranged in the expansion ball lifting pipeline 102 in a sliding manner, the expansion ball lifting plate 103 is driven to lift by a first linear driving device 104 which can slide along the axial direction of the expansion ball lifting pipeline 102 in a reciprocating manner, in the embodiment, the first linear driving device 104 is a cylinder, in other embodiments, other linear driving devices such as an electric cylinder or a hydraulic cylinder are certainly arranged, a ball outlet pipeline 105 with an outlet aligned with the top of the first die 3 is arranged obliquely below the top of the expansion ball lifting pipeline 102, an electromagnet 11 which attracts the expansion balls 9 to enter the ball outlet pipeline 105 is arranged on the ball outlet pipeline 105, the first hydraulic cylinder 5, the second hydraulic cylinder 6, the first linear drive device 104, and the electromagnet 11 are connected to a control device (not shown). When the three-way pipeline processing equipment is processed, firstly, an oval hole is punched on a cylindrical pipe 200, lubricating oil is coated on the cylindrical pipe 200 around the oval hole, the oval hole of the cylindrical pipe 200 is aligned with an expanding channel 42 and is placed into a cavity of a first die 3, a switch is started, a control device controls a first linear driving device 104 to lift an expanding ball 9, the expanding ball 9 automatically falls into the cylindrical pipe 200 from a ball outlet pipeline 105, the first linear driving device 104 resets, then the first hydraulic cylinder 5 extends out to match the first die 3 and a second die 4, then a second hydraulic cylinder 6 extends out to extrude a squeezing head 7 to squeeze the expanding ball 9, so that the expanding ball 9 is extruded from the expanding channel 42 and enables the cylindrical pipe 200 to be deformed into a green body of a three-way pipe, then the first hydraulic cylinder 5 retracts to open the die, the expanding ball 9 enters an expanding ball channel 21 from the expanding channel 42 and falls into an aligning expanding ball falling pipeline 101 along the expanding ball channel 21, the bulging ball 9 falls on the bulging ball lifting plate 103 along the pipeline, one-time processing is completed, the three-way pipe processing equipment does not need liquid medium, a large amount of water is saved, energy conservation and emission reduction are facilitated, sealing is not needed, the requirement on the equipment sealing performance is lowered, and due to the fact that the liquid medium does not need to participate, lubricating oil can be smeared on the surface of the cylindrical pipe during processing, and cracks are prevented from being generated in the processing process of the cylindrical pipe.

In this embodiment, an axial guide opening 106 is formed in a side wall of the expanding ball lifting pipe 102, a movable end of the first linear driving device 104 extends into the expanding ball lifting pipe 102 from the guide opening 106, the movable end of the first linear driving device 104 is connected with the expanding ball lifting plate 103, the expanding ball lifting pipe 102 below the guide opening 106 forms a lubricating oil storage cavity 107, lubricating oil is filled in the lubricating oil storage cavity 107, and when the movable end of the first linear driving device 104 is located at the bottom of the guide opening 106, the expanding ball lifting plate 103 is immersed in the lubricating oil. Adopt this structure can make bulging ball 9 scribble lubricating oil automatically when getting into lubricating oil storage chamber 107, indirect can scribble lubricating oil to the automatic inner wall of cylindrical tube 200 that scribbles of realization lubricating oil, can not scribble lubricating oil when the die cavity of first mould 3 is being packed into to cylindrical tube 200.

In this embodiment, a connecting rod 108 is disposed on the expansion ball lifting plate 103, the bottom of the connecting rod 108 is connected to the expansion ball lifting plate 103, and the upper end of the connecting rod 108 is connected to the movable end of the first linear driving device 104 through a connecting member 109.

In this embodiment, the extrusion head 7 is provided with a guide slope 71, and the positioning block 8 is provided with a horizontal guide groove 81.

In the present embodiment, the positioning block 8 is provided with a notch 82 matching the guide slope 71.

In this embodiment, the telescopic end of the second hydraulic cylinder 6 is connected with a guide head 61, a lubricant extrusion chamber 62 is arranged at the bottom of the guide head 61, the upper end of the extrusion head 7 is slidably arranged in the lubricant extrusion chamber 62, an oil inlet pipe 63 and an oil outlet pipe 64 are arranged on the lubricant extrusion chamber 62, the oil inlet pipe 63 is connected with an oil tank, the outlet of the oil outlet pipe 64 is aligned with the joint of the bulging passage 42 and the cylindrical cavity, and a check valve 65 is arranged on each of the oil inlet pipe 63 and the oil outlet pipe 64. Adopt this structure to stretch out the in-process that promotes extrusion head 7 and push down at second pneumatic cylinder 6, extrusion head 7 can move in to lubricating oil extrusion chamber 62, extrude the lubricating oil in lubricating oil extrusion chamber 62 to the outer wall of cylinder pipe 200 from oil outlet pipe 64, in the in-process that second pneumatic cylinder 6 retracts and drive extrusion head 7 and move up, the extrusion head moves outside lubricating oil extrusion chamber 62 because of self gravity to automatic inhale lubricating oil extrusion chamber 62 from the oil tank in through advancing oil pipe 63, realize the automatic smearing of lubricating oil, cylinder pipe can not scribble lubricating oil when packing into the die cavity of first mould 3.

In this embodiment, a guide bracket is provided below the second hydraulic cylinder 6, the guide head 61 slides on the guide bracket 66, a protective cover 67 is provided on the guide bracket 66, and the protective cover 67 has an opening for avoiding the oil inlet pipe 63 and the oil outlet pipe 64.

In this embodiment, a punch 13 driven by a third hydraulic cylinder 12 is disposed in the fixed die holder 2 and extends and retracts along the axial direction of the bulging passage 42, the positioning block 8 is driven to move up and down by a second linear driving device 14, in this embodiment, the second linear driving device 14 is an air cylinder, although in other embodiments, the second linear driving device 14 may be an hydraulic cylinder or an electric cylinder, the second linear driving device 14 is disposed at the bottom of the movable die holder 1, an opening through which the second linear driving device 14 passes is disposed on the operating platform 100, a waste discharge passage 83 is disposed in the positioning block 8, when the positioning block 8 is located at the top position, an inlet at the upper end of the waste discharge passage 83 is aligned with the punch 13, when the positioning block 8 is located at the bottom position, the punch 13 is aligned with the center of the bulging ball 9 located above the positioning block 8, and the third hydraulic cylinder 12 and the second linear driving device 14 are connected with a control device. With the adoption of the structure, the cylindrical pipe 200 does not need to be punched before being placed in the cavity of the first die 3, after the first die 3 and the second die 4 are closed, the second linear driving device 14 drives the first die 3 and the second die 4 to ascend, the inlet at the upper end of the waste discharge channel 83 is aligned to the punch 13, the inlet of the waste discharge channel 83 serves as a lower die of the punch 13, the third hydraulic cylinder 12 pushes the punch 13 to punch a hole on the cylindrical pipe 200, and waste materials generated by punching fall from the waste discharge channel 83; not only improves the processing efficiency, but also does not need to align when the cylindrical tube 200 is placed in the cavity of the first die 3, and the punched hole can be accurately aligned with the bulging passage 42, thereby improving the processing precision.

In this embodiment, an air passage 151 connected to the air pump 15 is provided on the movable die holder 1, when the positioning block 8 is located at the top position, the outlet at the lower end of the waste discharge passage 83 is aligned with the air passage 151, the outlet of the bulging ball passage 21 is hinged with a movable door 16 for sealing the outlet of the bulging ball passage 21, a shift lever 161 is radially provided on the rotating shaft of the movable door 16, a second light touch switch 17 matched with the shift lever 161 is provided on the fixed die holder 2 at one side of the movable door 16, and the air pump 15 and the second light touch switch 17 are connected to a control device. Because the situation that the punch 13 is broken exists in the punched hole, the situation that the punched hole is not through may occur, and the situation that the punch 13 cannot be directly observed outside the fixed die holder 2, the direct bulging processing of the extruding bulging ball 9 may cause the second hydraulic cylinder 6 and the extruding head 7 to have excessive loads, which may cause equipment damage, it is necessary to detect whether the punched hole is through, when the punched hole is punched, after the third hydraulic cylinder 12 pushes the punch 13 to stretch and contract once, the control device controls the air pump 15 to blow air into the air passage 151, because the lower end of the waste discharge passage 83 is aligned with the air passage 151 at this time, if the punching is successful, most of the air passes through the waste discharge passage 83, the punched hole and the bulging ball passage 21 to flow and push the movable door 16 open, when the movable door 16 is pushed open, the second tact switch 17 is pressed by the shift lever 161, if the second tact switch 17 feeds back an electric signal to the control device, the punching is successful, and the next processing is continued, if the punching is unsuccessful, the second light touch switch 17 can not feed back an electric signal to the control device, and the control device does not perform the next operation any more, so that the worker is prompted to overhaul. By adopting the structure, whether punching is successful or not can be automatically detected, and the second hydraulic cylinder 6 and the extrusion head 7 are prevented from being damaged due to overlarge load. And when the bulging ball 9 rolls out from the bulging ball channel 21, the movable door 16 is also pushed, when the movable door 16 is pushed open, the second light touch switch 17 is pressed by the shift lever 161, if the second light touch switch 17 feeds back an electric signal to the control device, the bulging ball 9 rolls out normally, and if the second light touch switch 17 does not feed back an electric signal to the control device, the bulging ball 9 is blocked in the bulging ball channel 21 and needs to be repaired.

In this embodiment, a screw 18 with reverse equal-pitch threads at two ends is rotatably disposed on the movable die holder 1, the screw 18 is driven to rotate by a motor 19, the motor 19 is connected with a control device, the screw at two ends of the screw 18 is connected with movable clamping blocks 20 in a threaded manner, a limiting slideway 211 parallel to the screw 18 is disposed on the movable die holder 1, the two movable clamping blocks 20 rotate with the screw 18 and slide in the limiting slideway 211 in an opposite or reverse manner, a through opening 31 parallel to the screw 18 is disposed on the first die 3, the two movable clamping blocks 20 extend into the first die 3 from the through opening 31, distances from the two movable clamping blocks 20 to the center of the bulging passage 42 are the same, a first tact switch 207 is disposed at the bottom of the movable clamping block 20 above, and the first tact switch 207 is connected with the control device. By adopting the structure, when the cylindrical pipe 200 is placed in the cavity of the first die 3, the cylindrical pipe 200 can be placed on the movable clamping blocks 20 below, the two movable clamping blocks 20 are driven by the motor 19 to clamp the cylindrical pipe 200, the motor 19 is controlled by the control device, the motor stops running when the first tact switch 207 contacts the cylindrical pipe 200, and when the cylindrical pipe 200 with any length is clamped, the middle point of the cylindrical pipe 200 can be automatically adjusted and aligned with the center of the bulging channel 42, so that the three-way pipe is suitable for processing the cylindrical pipes 200 with different lengths into three-way pipes.

In this embodiment, the upper movable clamping block 20 includes a housing 201, a telescopic block 202 having a limiting step 203, a spring 204 and a limiting block 205, the two ends of the housing 201 are open, the housing 201 is sequentially provided with the telescopic block 202, the spring 204 and the limiting block 205, the bottom of the telescopic block 202 is provided with a first tact switch 207, the limiting block 205 is provided with a screw hole 206, the screw 18 penetrates through the housing 201 to be matched with the screw hole 206, and the spring 204 can be compressed to enable the telescopic block 202 to avoid the cylindrical tube 200 and be installed in the first mold 3. When the cylindrical tube 200 is fitted into the cavity of the first die 3, the fitting can be facilitated by pressing the expansion block 202, and it is not necessary to fit from the same direction as the die opening direction of the first die 3.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a three-way pipe processing equipment, includes operation platform (100), be provided with movable die holder (1) and fixed die holder (2) on operation platform (100), movable die holder (1) with be equipped with first mould (3) and second mould (4) that can close formation cylindric die cavity on fixed die holder (2) respectively, movable die holder (1) is driven by first pneumatic cylinder (5), be provided with the intercommunication on second mould (4) bulging passageway (42) of cylindric die cavity, its characterized in that: an extrusion head (7) driven by a second hydraulic cylinder (6) is arranged above the second die (4), a positioning block (8) is arranged in the first die (3), the extrusion head (7) can extrude a bulging ball (9) to the side of the positioning block (8) to the bulging passage (42), a bulging ball passage (21) is arranged in the fixed die holder (2), the inlet of the bulging ball passage (21) is communicated with the bulging passage (42), the outlet lower part of the bulging ball passage (21) is the inlet of a bulging ball falling pipeline (101), the bottom of the bulging ball falling pipeline (101) is communicated with the bulging ball lifting pipeline (102) through a pipeline which inclines downwards, a bulging ball lifting plate (103) is arranged in the bulging ball lifting pipeline (102) in a sliding manner, and the bulging ball lifting plate (103) is driven to ascend and descend by a first linear driving device (104) which can slide along the axial direction of the bulging ball lifting pipeline (102) in a reciprocating manner, the utility model discloses a ball production device, including bulging ball lifting pipe way (102), ball production pipe way (105) at first mould (3) top are provided with the export and aim at in the slant downwards in bulging ball lifting pipe way (102) top, be provided with on ball production pipe way (105) and attract bulging ball (9) get into electromagnet (11) of ball production pipe way (105), first pneumatic cylinder (5), second pneumatic cylinder (6), first linear drive device (104) and electromagnet (11) are connected with controlling means.

2. The tee pipe processing apparatus of claim 1, wherein: the side wall of the bulging ball lifting pipeline (102) is provided with an axial guide opening (106), the movable end of the first linear driving device (104) extends into the bulging ball lifting pipeline (102) from the guide opening (106), the movable end of the first linear driving device (104) is connected with the bulging ball lifting plate (103), the bulging ball lifting pipeline (102) below the guide opening (106) forms a lubricating oil storage cavity (107), lubricating oil is filled in the lubricating oil storage cavity (107), and the movable end of the first linear driving device (104) is located at the bottom of the guide opening (106) and the bulging ball lifting plate (103) is immersed in the lubricating oil.

3. The tee pipe processing apparatus of claim 2, wherein: the bulging ball lifting plate (103) is provided with a connecting rod (108), the bottom of the connecting rod (108) is connected with the bulging ball lifting plate (103), and the upper end of the connecting rod (108) is connected to the movable end of the first linear driving device (104) through a connecting piece (109).

4. The tee pipe processing apparatus of claim 1, wherein: the extrusion head (7) is provided with a guide inclined plane (71), and the positioning block (8) is provided with a horizontal guide groove (81).

5. The tee pipe processing apparatus of claim 4, wherein: and a notch (82) matched with the guide inclined plane (71) is arranged on the positioning block (8).

6. The tee pipe processing apparatus of claim 1, wherein: the flexible end of second pneumatic cylinder (6) is connected with direction head (61), direction head (61) bottom is provided with lubricating oil extrusion chamber (62), extrusion head (7) upper end slide set up in lubricating oil extrusion chamber (62), be provided with oil inlet pipe way (63) and play oil pipe way (64) on lubricating oil extrusion chamber (62), oil inlet pipe way (63) connect the oil tank, play oil pipe way (64) export is aimed at bulging passageway (42) with the department of meeting of cylindric die cavity, oil inlet pipe way (63) with all be provided with check valve (65) on play oil pipe way (64).

7. The tee pipe processing apparatus of claim 1, wherein: be provided with in fixed die holder (2) along bulging passageway (42) axial flexible drift (13) by third pneumatic cylinder (12) driven, locating piece (8) are by the drive of second linear drive device (14) lift, second linear drive device (14) set up in activity die holder (1) bottom, set up waste discharge passageway (83) in locating piece (8), work as locating piece (8) are located the top position, the import of waste discharge passageway (83) upper end is aimed at drift (13), work as locating piece (8) are located when the bottom position, drift (13) aim at and are located locating piece (8) top the centre of sphere of bulging ball (9), third pneumatic cylinder (12) and second linear drive device (14) are connected with controlling means.

8. The tee pipe processing apparatus of claim 7, wherein: be provided with air flue (151) of connecting air pump (15) on movable die holder (1), work as when locating piece (8) are located the top position, the export of exhaust passage (83) lower extreme is aimed at air flue (151), bulging ball passageway (21) exit articulates there is sealed dodge gate (16) of bulging ball passageway (21) export, radial driving lever (161) are provided with in the pivot of dodge gate (16), dodge gate (16) one side be provided with on fixed die holder (2) with driving lever (161) complex second light touch switch (17), air pump (15) and second light touch switch (17) are connected with controlling means.

9. The tee pipe processing apparatus of claim 1, wherein: the movable die holder (1) is rotatably provided with a screw rod (18) with reverse equal-pitch threads at two ends, the screw rod (18) is driven to rotate by a motor (19), the motor (19) is connected with the control device, two ends of the screw rod (18) are in threaded connection with movable clamping blocks (20), the movable die holder (1) is provided with a limiting slide way (211) parallel to the screw rod (18), the two movable clamping blocks (20) rotate along with the screw rod (18) and slide in the limiting slide way (211) in an opposite or reverse way, the first die (3) is provided with a through hole (31) parallel to the screw rod (18), the two movable clamping blocks (20) extend into the first die (3) from the through hole (31), the distances from the two movable clamping blocks (20) to the center of the bulging channel (42) are the same, and a first light-touch switch (207) is arranged at the bottom of the movable clamping block (20) above, the first tact switch (207) is connected with the control device.

10. The tee pipe processing apparatus of claim 9, wherein: the top activity clamp block (20) include casing (201), have flexible piece (202), spring (204) and stopper (205) of spacing step (203), casing (201) both ends opening, set gradually in casing (201) flexible piece (202) spring (204) and stopper (205), flexible piece (202) bottom is provided with first light touch switch (207), be provided with screw (206) on stopper (205), screw (18) pass casing (201) with screw (206) cooperation, spring (204) can be compressed so that flexible piece (202) dodge cylindrical tube (200) and pack into first mould (3).