CN210305223U

CN210305223U - Pipe bending machine and pipe fitting processing equipment

Info

Publication number: CN210305223U
Application number: CN201920284398.4U
Authority: CN
Inventors: 张良; 段冰
Original assignee: Zhejiang Heliang Intelligent Equipment Co ltd
Current assignee: Zhengjiang Changxing Heliang Intelligent Equipment Co Ltd
Priority date: 2018-06-22
Filing date: 2018-06-22
Publication date: 2020-04-14
Anticipated expiration: 2028-06-22
Also published as: CN208585710U

Abstract

The utility model relates to a bending machine and pipe fitting processing equipment belongs to tubular product processing and handles technical field. The pipe bender comprises a pipe bender head and a core rod unit; the pipe bending machine head comprises a clamping die, a round die and a swing arm; the mandrel unit comprises a mandrel and a mandrel driving mechanism for driving the mandrel to extend into or withdraw from the pipe section; the pipe bender comprises a discharging unit, wherein the discharging unit comprises a pushing sleeve sleeved outside the core rod and a pushing driving device used for driving the pushing sleeve to reciprocate along the axial direction of the core rod. The discharging unit is arranged to comprise the material pushing sleeve sleeved outside the core rod, so that the discharging process is convenient to realize, the integral structure of the equipment can be simplified, the discharging efficiency is improved, and the discharging device can be widely applied to the technical field of manufacturing of air conditioners, automobiles and the like.

Description

Pipe bending machine and pipe fitting processing equipment

The application is a divisional application of a utility model patent with the application number of CN201820974296.0 and the name of invention 'stepping material distributing system, stepping material distributing device and pipe fitting processing equipment'.

Technical Field

The utility model relates to a machine-shaping equipment of pipe fitting and part thereof, specifically speaking relates to a pipe bending machine and with pipe fitting processing equipment of bending machine constitution.

Background

An electronic expansion valve is used as a main element of an air conditioner, and is a throttling element which can adjust the flow of refrigerant entering a refrigerating device according to a preset program.

According to the shape, the connecting pipe comprises a straight pipe-shaped connecting pipe and a bent pipe-shaped connecting pipe, such as an electronic expansion valve disclosed in the patent document with the publication number of CN207111959U, and as shown in the attached figure 3, the connecting pipe comprises a straight pipe-shaped connecting pipe 102 and a bent pipe-shaped connecting pipe 103, and the outer end parts of the two connecting pipes are both in flaring end structures; as shown in fig. 2 of the accompanying drawings, the connecting pipe of the electronic expansion valve disclosed in patent document CN103836211A includes a straight pipe-shaped connecting pipe 13 and a bent pipe-shaped connecting pipe 14, wherein an inner end of the connecting pipe 13 is of a flared end structure, and an inner end of the connecting pipe 14 is of a tapered end structure; for some connecting pipes, one of the two ends of the connecting pipe is of a flaring end structure, and the other end of the connecting pipe is of a necking end structure, or both the two ends of the connecting pipe are of flaring end structures.

For the bent pipe-shaped connecting pipe, in the manufacturing process, because the pipe material is firstly cut into pipe ends for pipe end treatment and then bent, the pipe material can be only loaded by a manipulator and cannot be loaded by the existing feeding trolley, so that the unloading efficiency is low.

In addition, when manufacturing the above-mentioned connecting pipes with various structures, a cutting device is usually used to cut the long pipe material into fixed-length pipe sections, and then the fixed-length pipe sections are transported to a pipe section processing unit to be loaded so as to perform pipe end processing on more than one of the two ends according to a predetermined structure; for the bent pipe-shaped connecting pipe, the pipe section after pipe end treatment needs to be conveyed to a pipe bending machine for pipe bending treatment, so that the automation degree of the whole treatment process is low, and the processing efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a pipe bender with improved structure, which can improve the unloading efficiency of a pipe section after the pipe section is bent;

another object of the present invention is to provide a pipe processing apparatus constructed by the above pipe bender;

still another object of the utility model is to provide a pipe fitting processing equipment that degree of automation is higher is handled to the pipe section.

In order to achieve the main object, the utility model provides a pipe bender, which comprises a pipe bender head and a mandrel unit; the pipe bending machine head comprises a clamping die, a round die and a swing arm; the mandrel unit comprises a mandrel and a mandrel driving mechanism for driving the mandrel to extend into or withdraw from the pipe section; the pipe bender comprises a discharging unit, wherein the discharging unit comprises a pushing sleeve sleeved outside the core rod and a pushing driving device used for driving the pushing sleeve to reciprocate along the axial direction of the core rod.

The discharging unit is arranged to comprise the material pushing sleeve sleeved outside the core rod, so that the discharging process is convenient to realize, the integral structure of the equipment can be simplified, and the discharging efficiency is improved.

The specific scheme is that the pushing driving device is a linear displacement output device; the discharging unit comprises a bracket; the stator of the linear displacement output device is fixed on the bracket; guide rod mechanisms are fixedly arranged on the bracket and positioned at two sides of the material pushing driving device; a connecting plate is fixedly arranged at the front end of a guide rod of the guide rod mechanism, and one end of the material pushing sleeve is fixed on the front end surface of the connecting plate; a rotor of the linear displacement output device is fixedly connected with the connecting plate; the core rod passes through the material pushing sleeve after passing through the through hole on the bracket and the through hole on the connecting plate in sequence.

The pipe bender comprises a support seat arranged between a bracket and a round die, and a guide pipe axially arranged along the axial direction of the core rod is fixedly arranged on the support seat; the core rod driving mechanism drives the core rod to penetrate through the guide pipe, and the pushing driving device drives the pushing sleeve to penetrate through the guide pipe; the guide rod mechanism includes a slide bearing fixed to the holder, and the guide rod is slidably mounted on the holder in the axial direction of the core rod by the slide bearing.

The preferable scheme is that a material guide plate is fixedly arranged on the fixed end part of the swing arm, is vertically positioned between the circular die and the swing arm and comprises an inclined base plate with an avoidance port matched with the mounting seat of the circular die; when the clamping cavity of the clamping die is axially arranged along the axial direction of the core rod, the inclined base plate is obliquely arranged downwards along the direction of the round die departing from the core rod driving mechanism and is used for guiding the track of the falling pipe section. By additionally arranging the material guide plate, the pipe section can be prevented from falling onto the swing arm to interfere the clamping action of the clamping die or falling into a gap between the swing arm and the headstock to interfere the subsequent pipe bending operation during the discharging process, and the reliable operation of the whole automatic treatment process is effectively ensured.

More preferably, the inclined substrate is fixedly provided with flanges on the edge part facing the clamping die and the edge part facing the mandrel driving mechanism.

In order to achieve the above another object, the present invention provides a pipe processing apparatus including a pipe bender and a feeding system, wherein the feeding system includes a material transferring manipulator system for supplying a pipe section to be bent to the pipe bender; the bending machine is the bending machine described in any one of the above technical solutions.

The specific scheme is that the pipe fitting processing equipment comprises a pipe section positioning unit; in the process of feeding the material moving manipulator system to the pipe bender, along the advancing direction of the pipe section, the pipe section positioning unit is positioned at the upstream of the pipe bender and is used for positioning the end face of the pipe section to be bent. By additionally arranging the positioning mechanism, the precision of the bent pipe is effectively ensured, and meanwhile, the mechanism structure for realizing the front positioning of the bent pipe is simplified.

More specifically, the pipe section positioning unit comprises a material supporting groove, a positioning rod arranged on one groove side and a material pushing rod arranged on the other groove side.

In order to achieve the above-mentioned another object, the present invention provides a preferable solution that the feeding system comprises a pipe section feeding device; the pipe section feeding device comprises a long pipe feeding unit, a chipless rotary cutting unit and a cutting clamping die, wherein the long pipe feeding unit cuts the fed long pipe into pipe sections; the cutting clamping die is a clamping die which is opened and closed along the transverse direction; the material moving manipulator system comprises a first material moving manipulator unit used for clamping the pipe section clamped on the cutting clamping die along the lifting direction.

The long pipe is cut into the short pipe sections with preset lengths and cleanness, so that the cutting scrap is effectively reduced, the cleanness of the production environment is kept, the automation degree and the production efficiency of the production line are improved, meanwhile, the preset lengths of the short pipe sections can be adjusted in real time according to the production working conditions, and the flexibility of the production line is effectively improved; the cutting is carried out by adopting the chipless rotary cutting unit, and the cutting clamp die which is transversely opened and closed is matched with the first material moving mechanical arm unit which clamps the pipe section from the lifting direction and separates from the cutting clamp die, so that the material can be fed for the next processing unit quickly and automatically, and the automation degree of pipe section processing can be well improved.

The more preferable scheme is that the long pipe feeding unit comprises a feeding unit, the feeding unit comprises two guide rods arranged along the axial direction of a rotating main shaft of the chipless rotary cutting unit, a feeding clamping die slidably mounted on the guide rods, and a linear displacement output device for driving the feeding clamping die to reciprocate along the guide rods; the pipe section feeding device comprises a residual pipe clamping die unit arranged between the chipless rotary cutting unit and the long pipe feeding unit; the residual pipe part clamping die unit and the feeding clamping die are both vertically open-close type clamping dies; the lower clamping die of the upper and lower open-close type clamping die is a static clamping die; the first material moving manipulator unit comprises a first mounting seat, a material clamping claw mounted on the first mounting seat, a first transfer sliding seat driven by a first transfer driving device to move along a first material moving direction, a lifting mechanism driving the first mounting seat to lift relative to the first transfer sliding seat, and a rotating mechanism driving the first mounting seat to rotate relative to the first transfer sliding seat around a vertical shaft; the pipe section feeding device comprises a material receiving groove for receiving the pipe section released by the material clamping claw of the first material moving manipulator unit; the material moving manipulator system comprises a second material moving manipulator unit, and is used for transporting the pipe section loaded on the material receiving groove to the pipe bender after more than one time of transportation; the second material moving manipulator unit is positioned at the downstream of the first material moving manipulator unit along the advancing direction of the pipe section in the feeding process; the second material moving manipulator unit comprises a synchronous moving sliding seat which is driven by the second moving driving device and can reciprocate along the second material moving direction, and a plurality of manipulators which are fixedly arranged on the synchronous moving sliding seat.

Drawings

Fig. 1 is a perspective view of the embodiment of the pipe processing equipment of the present invention;

FIG. 2 is a block diagram of the schematic structure of the embodiment of the pipe processing apparatus of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

FIG. 4 is an enlarged view of a portion B of FIG. 1;

FIG. 5 is an enlarged view of portion C of FIG. 1;

fig. 6 is a perspective view of a die clamping device on the pipe end processing unit in the embodiment of the pipe processing apparatus of the present invention;

fig. 7 is a perspective view of the pipe end spinning unit in the embodiment of the pipe processing device of the present invention after omitting the die clamping device;

fig. 8 is a perspective view of the pipe end direct punching unit in the embodiment of the pipe processing device of the present invention after omitting the die clamping device;

FIG. 9 is an enlarged view of portion D of FIG. 1;

FIG. 10 is an enlarged view of E in FIG. 1;

fig. 11 is a schematic view of the pipe bending unit in the embodiment of the pipe processing apparatus of the present invention in a state where the clamping die is opened after the pipe bending is completed;

fig. 12 is a schematic view of the pipe bending unit in the embodiment of the pipe processing apparatus of the present invention in a discharging state;

FIG. 13 is an enlarged view of portion F of FIG. 11;

fig. 14 is a perspective view of the stepping distributing unit in the first distributing state in the embodiment of the pipe processing apparatus of the present invention;

fig. 15 is a perspective view of the stepping distributing unit in the second distributing state in the embodiment of the pipe processing apparatus of the present invention;

fig. 16 is a perspective view of the material transferring manipulator unit in the embodiment of the pipe processing apparatus of the present invention;

fig. 17 is a schematic structural view of a pipe section cut in the process of manufacturing a connecting pipe according to the embodiment of the pipe processing apparatus of the present invention;

fig. 18 is a schematic structural diagram of a pipe section after pipe end treatment in the pipe manufacturing process according to an embodiment of the present invention;

fig. 19 is a schematic structural diagram of the pipe section processed by the pipe end processing in the pipe manufacturing process according to the embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

Pipe fitting processing equipment embodiment

Referring to fig. 1 and 2, the utility model discloses pipe fitting processing equipment 1 includes control unit, frame 100 and installs pipeline section feedway 11, machine-shaping system 15, moves the material system and gathers materials unit 19 in frame 100, moves the pipeline section that the material system is used for cutting out pipeline section feedway 11 and supplies to machine-shaping system 15 according to predetermined procedure, gathers materials unit 19 and is used for collecting the takeover of machine-shaping system 15 processing production. The control unit comprises a processor, a memory and a control panel 101, wherein the control panel 101 is used for receiving a control instruction input by an operator, the processor executes a program corresponding to the control instruction in the memory, and the processor sequentially carries out pipe cutting, transferring, processing and forming processing so as to manufacture a desired electronic expansion valve connecting pipe.

The pipe section feeding device 11 includes two pipe section feeding units arranged side by side, namely a pipe section feeding unit 12 and a pipe section feeding unit 13, the pipe section feeding unit 12 includes a long pipe feeding unit 121 and a chipless rotary cutting unit 122 for cutting the long pipe material to be fed into a fixed length pipe section, and the pipe section feeding unit 13 includes a long pipe feeding unit 131 and a chipless rotary cutting unit 132 for cutting the long pipe material to be fed into a fixed length pipe section.

The long

pipe feeding units

121 and 131 respectively include a coil mounting frame (not shown), pipe straightening units 21 and 23, and

feeding units

22 and 24 in sequence along the traveling direction of long pipe feeding, i.e. along the positive direction of the X axis in the figure. The coil pipe material arranged on the coil pipe mounting frame is straightened into a straight pipe material through the extrusion of a plurality of groups of straightening rollers on the pipe material straightening unit. In the present embodiment, the

feeding units

24 and 22 are symmetrically arranged with respect to a first plane, which is parallel to plane OXZ, and feed the corresponding chipless rotary cutting units synchronously during feeding.

As shown in fig. 1 and 3, the feeding unit 22 includes two guide rods 221 arranged along the X-axis direction, an up-and-down opening-and-closing type clamping die 222 slidably mounted on the guide rods 221, and a linear displacement output device 223 driving the clamping die 222 to reciprocate along the guide rods 221. The feeding unit 24 includes two guide rods 241 arranged along the X-axis direction, an up-and-down opening-closing type clamping die 242 slidably mounted on the guide rods 241, and a linear displacement output device 243 for driving the clamping die 242 to reciprocate along the guide rods 241.

For the two feeding units, the opening and closing driving device of the clamping die and the sliding driving device sliding along the guide rod can share the same set of driving device, and the driving device can also be independently adopted for driving. In this embodiment, the clamping die 222 and the clamping die 242 share the same set of opening and closing driving device and the same set of transfer driving device. As shown in fig. 3, the mold clamping opening and closing driving device includes a slide base 27 fixed on a slide block cooperating with a guide bar, two support blocks 281 fixed on the slide base 27, and an opening and closing cylinder 25 supported and fixed on the support blocks 281 by a cross plate 282. The lower clamping die of the two clamping dies is fixed on the sliding seat 27, and the upper clamping die is fixed on the piston rod of the opening and closing cylinder 25 through the clamping die holder 283, so that the two clamping dies are synchronously driven to be synchronously opened and closed, and two straightened long pipes are synchronously clamped or released. The transfer driving device comprises a servo motor and a feed screw nut mechanism in transmission connection with a rotor shaft of the servo motor, and a feed screw nut of the feed screw nut mechanism is fixedly connected with the sliding seat 27. The two feeding clamping dies are synchronously driven based on the same set of conveying driving device and opening and closing driving device, so that the using amount of parts can be reduced, and straightened long pipe materials can be synchronously supplied to the two chipless rotary cutting units.

As shown in fig. 1, 2 and 5, the rotating spindles of the chipless rotary cutting unit 122 and the chipless rotary cutting unit 132 are arranged along the X-axis direction, and the distance between the rotating spindles is a first distance, and a remaining pipe clamping unit 29 is disposed on one side of the rotating spindle mounting seat adjacent to the feeding unit. In this embodiment, the structure of the remaining tube clamping unit 29 is the same as that of the feeding unit, so as to synchronously clamp the two long tubes during the cutting process and open the two long tubes during the feeding process of the feeding unit, so as to support and guide the two long tubes to smoothly enter the inner hole of the rotary spindle of the chipless rotary cutting unit. And cutting clamping dies 1220 and 1320 which are opened and closed in the Y-axis direction are fixedly arranged on one side of the rotating main shaft, which is far away from the residual pipe part clamping die unit 29, and the cutting clamping dies 1220 and 1320 are respectively composed of two movable clamping dies which synchronously move in opposite directions.

As shown in fig. 1 and 2, the processing and forming system 15 sequentially includes a pipe end processing unit 16, a pipe positioning unit 17, and a pipe bending unit 18 along the traveling direction of the pipe section, wherein the pipe end processing unit sequentially includes a pipe end rotary punching unit 161 and a pipe end straight punching unit 162 along the traveling direction of the pipe section processing process.

Referring to fig. 6 and 7, the pipe end spinning unit 161 includes a pipe segment clamping die 31, and a first pipe end processing head 32 and a second pipe end processing head 33 which are located on both sides of the pipe segment clamping die 31 and have processing sides facing the pipe segment clamping die 31, and the rotating main shafts of the first pipe end processing head 32 and the second pipe end processing unit 33 are arranged along the Y-axis direction. The pipe section clamping die 31 comprises a sliding groove seat 310 fixed on the machine frame 100, a left clamping die seat 311 and a right clamping die seat 312 which are slidably mounted on the sliding groove seat 310 along the X-axis direction, a left clamping die 313 fixed on the left clamping die seat 311, a right clamping die 314 fixed on the right clamping die seat 312, a wedge-shaped push block arranged in a sliding groove cavity 3100 of the sliding groove seat 310, and a clamping die driver 315 for driving the wedge-shaped push block to reciprocate along the Z-axis direction. The mold clamping driver 315 may be a linear displacement output device such as a cylinder, a linear motor, or the like, and the cylinder is specifically selected in this embodiment.

The sliding groove seat 310 is provided with a cross sliding groove 3100 arranged along the X-axis direction, and the left and right die clamping seats are slidably mounted on the sliding groove seat 310 through a cross sliding block matched with the sliding groove 3100. Two pushing grooves which are parallel to the XOZ plane and form a V-shaped structure are arranged on the wedge-shaped pushing block; and the left and right die clamping bases are provided with sliding blocks matched with the pushing grooves, so that in the process of pushing the wedge-shaped pushing block to reciprocate along the Z axial direction through the die clamping driver 315, the left and right die clamping bases are synchronously pushed to move along opposite directions in the Y axial direction, and the pipe fitting is clamped by closing or released by opening.

The first pipe end processing head 32 is an expanding device, the second pipe end processing unit 33 is a necking device, in the pipe end processing process, the expanding processing and the necking processing are simultaneously carried out on the two ends of the pipe section clamped on the pipe section clamping die 31 through the expanding die 320 and the necking die 330, and chamfering blades synchronously driven by the rotating main shafts of the expanding die 320 and the necking die 330 are arranged beside the expanding die and the necking die, so that the two ends of the pipe section are synchronously chamfered in the rotary punching process.

As shown in fig. 8, the pipe-end direct punching unit 162 includes a pipe segment clamping die 31, and a first pipe-end processing head 34 and a second pipe-end processing head 35 which are located on both sides of the pipe segment clamping die 31 and have processing sides facing the pipe segment clamping die 31, and driving spindles of the first pipe-end processing head 34 and the second pipe-end processing unit 35 are arranged along the Y-axis direction. The first pipe end processing head 34 and the second pipe end processing unit 35 are both flaring devices, and in the pipe end processing process, the flaring processing is simultaneously performed on both ends of the pipe section clamped on the pipe section clamping die 31 through the flaring die 340 and the flaring die 350. And configuring the configuration and the number of the flaring machine heads and the necking machine heads of the plurality of sub-units in the pipe end processing unit according to actual requirements.

As shown in fig. 9, the pipe section positioning unit 17 includes a support 40, a material holding groove 41, a positioning rod 42 disposed on one side of the material holding groove 41 in the groove length direction, a material pushing rod 43 disposed on the other side of the groove length, and a material pushing driving device 44 for pushing the material pushing rod 43 to reciprocate in the Y axis direction. The material pushing driving device can select linear displacement output devices such as a linear motor, an air cylinder and an oil cylinder, and specifically selects a material pushing air cylinder in the embodiment.

The material supporting groove 41 is composed of two groove plates 411 provided with V-shaped positioning grooves 410, the two groove plates 411 are spaced at a certain distance in the Y-axis direction, the groove plates 411 are fixed on the rack 100 through a support 40, and the positioning rod 42 is adjustably mounted on the support 40 in the Y-axis direction. On the bracket 40, a guide rod mechanism composed of a guide rod 47 and a sliding bearing 45 is fixedly arranged at two sides of the pushing drive device 44, a connecting plate 46 is fixedly arranged at the front end of the guide rod 47, the pushing rod 43 is fixed on the front end surface of the connecting plate 46, the stator of the pushing drive device 44 is fixed on the bracket 40, and the mover is fixedly connected with the connecting plate 46, so that the end surface of the pipe section arranged in the positioning groove 410 is pushed to abut against the positioning rod 42, and the positioning of the pipe section in the Y-axis direction is realized. Wherein the positioning groove 410 is arranged in the Z-axis direction near the groove side of the tube-end processing unit 16, and the other groove side is arranged obliquely to facilitate the taking of the material after the tube segment is positioned. A material detection sensor for detecting whether the positioning slot 410 is filled is arranged beside the slot plate 411, wherein the material detection sensor can be a proximity switch, a shielding photoelectric sensor or a diffuse reflection photoelectric sensor, and in the embodiment, a laser sensor is specifically selected; the material detecting sensor outputs a detecting signal to the control unit, and the control unit controls the pipe section positioning unit 17 to position the pipe material according to whether the material exists or not, and the detecting signal is used as one of judging signals for controlling the second material moving mechanical arm unit to take the material from the material supporting groove.

Referring to fig. 10 to 13, the tube bending unit 18 includes a tube bending head 51, a mandrel unit 52, a discharging unit 53, and a guide plate 6. The pipe bending machine head 51 comprises a clamping die 510, a round die 511, a guide die 512 and a swing arm 513. The swing arm 513 and the circular die 511 are driven by the same driving main shaft to synchronously rotate around the axis of the main shaft; the clamp mold 510 is driven by a clamp mold driving mechanism 5101, is mounted on the swing arm 513 so as to be reciprocated between a pipe clamping position and a pipe releasing position, and clamps a pipe to be bent or releases the pipe after the pipe bending is completed by cooperating with the circular mold 511.

The mandrel unit 52 includes a holder 520, a mandrel 521 arranged in the Y-axis direction, and a mandrel driving mechanism 522 for driving the mandrel 521 to extend into or retract from the pipe segment. The mandrel driving mechanism 522 may be a linear displacement output device such as a linear motor, an air cylinder, and an oil cylinder, and in this embodiment, a mandrel air cylinder is specifically used.

The discharging unit 53 includes a bracket 530, a pushing sleeve 531 sleeved outside the core rod 521, and a pushing driving device 532 for driving the pushing sleeve 531 to reciprocate along the Y axis. The material pushing driving device can select linear displacement output devices such as a linear motor, an air cylinder and an oil cylinder, and specifically selects a material pushing air cylinder in the embodiment. On the bracket 530, a guide rod mechanism composed of a guide rod 533 and a sliding bearing 534 is fixedly arranged at two sides of the pushing drive device 532, a connecting plate 535 is fixedly arranged at the front end of the guide rod 533, a pushing sleeve 531 is fixed on the front end surface of the connecting plate 535, a stator of the pushing drive device 532 is fixed on the bracket 530, and a mover is fixedly connected with the connecting plate 535.

A support base is fixed in front of the discharging unit 53, and a guide pipe 55 arranged along the Y-axis direction is fixed on the support base. In the working process, the mandrel driving mechanism 522 pushes and pulls the mandrel 521 which sequentially passes through the material pushing sleeve 531 and the guide pipe 55 to extend into the pipe section to be bent, so as to perform auxiliary bending on the pipe section to be bent. After the pipe bending process is completed, the pushing material driving device 532 drives the pushing material sleeve 531 to move along the axial direction of the core rod 521 so as to push the pipe material out of the end of the core rod 521 and drop the pipe material onto the material guiding plate 6, and slide along the surface of the inclined base plate 60 into the material collecting unit 19 to be collected. In this embodiment, the collecting unit 19 includes a material guide plate 190 as shown in fig. 10 and a movable collecting basket disposed below the material guide plate 190.

The guide plate 6 is fixedly arranged on the fixed end part of the swing arm 513 between the circular die 511 and the swing arm 513 in the Z-axis direction, and the guide plate 6 comprises an inclined base plate 60 with an avoidance port 63 matched with the mounting seat 5110 of the circular die 511. When the clamping die 510 swings along with the swing arm 513 to the position that the clamping die cavity is axially arranged along the axial direction of the mandrel 531, the clamping die cavity is axially parallel to the guide die cavity of the guide die 512 at the moment and is axially arranged along the Y direction, namely, the clamping die cavity and the guide die cavity are both positioned at the position to be used for clamping the pipe material before the pipe bending; at this time, in the negative direction of the Y axis, that is, in the direction of the circular mold 511 away from the mandrel driving mechanism 522, the inclined substrate 60 is arranged to be inclined downward, so that the adapter tube pushed down by the material pushing sleeve 531 can slide along the inclined substrate 60 and fall into the material collecting unit 19, and the inclined substrate 60 is fixedly provided with a flange 61 on the edge portion facing the clamping mold 510 and a flange 62 on the edge portion facing the mandrel driving mechanism 522, so as to stop and guide the sliding process of the adapter tube on the inclined substrate 60 and slide according to a desired path.

Referring to fig. 1, 2, 4 and 14 to 16, the material moving system includes a stepping material distributing unit 14 and a material moving manipulator unit 10. The step material distributing unit 14 includes a bracket 70, two middle slot plates 71, side slot plates 72 respectively disposed at both sides of the middle slot plates 71, and a step driving unit. The material transferring manipulator unit 10 comprises a first material transferring manipulator unit 8 for transferring the pipe sections from the clamping dies 1220 and 1320 of the chipless rotary cutting unit to the stepping material distribution unit 14, and a second material transferring manipulator unit 9 for transferring the pipe sections from the stepping material distribution unit 14 to the processing forming system and sequentially transferring the pipe sections among the processing units in the processing forming system according to the processing procedure sequence.

In the step-by-step material distributing unit 14, a first material supporting groove 710, a second material supporting groove 711 and a third material supporting groove 712 which are arranged at equal intervals along the X-axis direction at the first interval are arranged on the middle trough plate 71, a fourth material supporting groove 720 and a fifth material supporting groove 721 which are arranged at the first interval along the Y-axis direction are arranged on the side trough plate 72, and the groove lengths of the five material supporting grooves are arranged along the Y-axis direction and are all in a V-shaped positioning groove structure; in this embodiment, the X-axis constitutes the direction of movement of the stepped powdering unit 14.

The step driving unit includes a lifting driving unit 73 for driving the two side groove plates 72 to reciprocate between the low position and the high position in the Z-axis direction in synchronization, and a traveling driving unit 74 for driving the two side groove plates 72 to reciprocate between the front position and the rear position in the X-axis direction.

In the present embodiment, the travel driving unit 74 includes a slide plate holder 740 and linear displacement output devices 741, the slide plate holder 740 is slidably mounted on the support 70 along the X-axis direction by a rail-slide mechanism, and the stators of the linear displacement output devices 741 are fixed on the support 70 and are two in number, and are used for pushing the slide plate holder 740 to reciprocate along the X-axis direction. The lifting driving unit 73 includes a lifting plate 730 slidably mounted on the sliding plate base 740 along the Z-axis direction and a linear displacement output device 731 for pushing the lifting plate 730 to reciprocate along the Z-axis direction, the two side slot plates 72 are fixed on the lifting plate 730, and the middle slot plate 71 is fixed on the bracket 70. The linear

displacement output devices

741 and 731 can be linear motors, air cylinders, oil cylinders, or the like, and in this embodiment, air cylinders are specifically selected.

Through the combined driving of the lifting driving unit 73 and the advancing driving unit 74, namely, the driving side trough plate 72 moves in a two-dimensional space in an XOZ plane relative to the middle trough plate, when the side trough plate 72 is positioned at the low position, the upper plate surface of the side trough plate is lower than the lower edges of the pipe sections lifted on the first material supporting trough 710, the second material supporting trough 711 and the third material supporting trough 712; when the side trough plate 72 is located at the high position, the lower edges of the upper pipe sections of the fourth material supporting trough 720 and the fifth material supporting trough 721 are higher than the upper plate surface of the middle trough plate 71; when the side chute plate 72 is located at the aforementioned front position, the fifth stock accommodating groove 721 is located at the third stock accommodating groove 712 in the X-axis direction; when the side groove plate 72 is located at the aforementioned rear position, the fifth stock groove 721 is located at the second stock groove 711 in the X-axis direction.

A tube section positioning mechanism 74 is disposed beside the third material supporting groove 712, and includes a support 740, a positioning rod 742 disposed on one side of the third material supporting groove 712 in the groove length direction, a material pushing rod 743 disposed on the other side of the groove length, and a material pushing driving device 744 for pushing the material pushing rod 743 to reciprocate along the Y-axis direction. The material pushing driving device 744 can be a linear displacement output device such as a linear motor, an air cylinder, an oil cylinder and the like, and in this embodiment, a material pushing air cylinder is specifically selected.

The positioning rod 742 is attached to the holder 740 so as to be adjustable in position in the Y-axis direction. On the bracket 740, a guide rod mechanism composed of a guide rod 747 and a sliding bearing 745 is fixedly arranged at two sides of the pushing drive device 744, a connecting plate 746 is fixedly arranged at the front end of the guide rod 747, the pushing rod 743 is fixed on the front end face of the connecting plate 746, the stator of the pushing drive device 744 is fixed on the bracket 740, and the mover is fixedly connected with the connecting plate 746, so as to push the end face of the pipe section arranged in the third positioning slot 712 to abut against the positioning rod 742, thereby realizing the positioning of the pipe section in the Y-axis direction. And install the material that has that is used for detecting whether there is the pipe material in it and detect sensor 7120 in the third holds in the palm of silo 712 side, there is the material to detect the sensor and can select for use proximity switch, shelter from formula photoelectric sensor or diffuse reflection photoelectric sensor, specifically selects for use laser sensor in this embodiment. The oil detecting sensor outputs a detecting signal to the control unit, controls the pipe section positioning mechanism 74 to start to position when the detecting signal indicates that a pipe exists in the third material supporting groove 712, and controls one of a judging signal for controlling the first material moving manipulator unit to convey the pipe to the stepping material distributing unit and a judging signal for controlling the second material moving manipulator unit to take the material from the third material supporting groove 712.

Referring to fig. 4 and 16, the first material transferring manipulator unit 8 includes a mounting base 80, a first material clamping claw 81 and a second material clamping claw 82 mounted on the mounting base 80 at a first interval, a transfer slide 84 driven by a transfer driving device 83 to reciprocate along the X-axis direction, a lifting mechanism 85 driving the mounting base 80 to lift relative to the transfer slide 84, and a rotating mechanism 86 driving the mounting base 80 to rotate relative to the transfer slide 84 about a vertical axis. In this embodiment, the rotating mechanism 86 is a rotating cylinder, and the lifting mechanism 85 is a telescopic cylinder; the transfer driving device 83 selects a servo motor 830 and a gear-rack mechanism 831, the servo motor 830 is fixed on the transfer slide carriage 84, the gear is coaxially fixed on the rotor shaft of the servo motor 830, the rack is fixed on the supporting beam 800, the supporting beam 800 is fixedly provided with an I-shaped guide rail arranged along the X-axis direction, the transfer slide carriage 84 is fixedly provided with an I-shaped slide block matched with the I-shaped guide rail, so that the transfer slide carriage 84 can be suspended on the supporting beam 800 in a reciprocating sliding manner along the X-axis direction. And a transverse position adjustable mechanism 87 is installed between the rotating mechanism 86 and the lifting mechanism 85, and the transverse position adjustable mechanism 87 comprises a linear guide rail sliding block mechanism and a quick release mechanism for locking the relative position between the guide rail and the sliding block, so that the position of the mounting seat 80 in the transverse direction is finely adjusted in the installation process, and the position of the stepping material distributing unit 14 is better matched. The mount 80, the transfer drive 83, and the transfer slide 84 form a first mount, a first transfer drive, and a first transfer slide in the present embodiment, and the slidable direction of the first transfer slide is a first material transfer direction.

In the working process, the two

material clamping claws

81 and 82 with the first distance are used for grabbing two fixed-length pipe sections from the cutting clamping dies 1220 and 1320 with the axial distance also being the first distance, the pipe sections are driven by the lifting mechanism 85 to ascend to a certain height, then the pipe sections are driven by the rotating mechanism 86 to rotate 90 degrees to the length direction of the fixed-length pipe sections and are arranged along the Y axial direction, the pipe sections are driven by the transfer driving device 83 to move along the X axial direction to be positioned right above the first material supporting groove 710 and the second material supporting groove 711 respectively, the pipe sections are driven by the lifting mechanism 85 to descend to be positioned in the two material supporting grooves, and then the two material clamping claws are opened to place the two pipe sections into the first material supporting groove 710 and the second material supporting groove 711. Then, the two side groove plates 72 raise the two fixed length pipe sections in the Z-axis direction to a position where the lower edges of the pipe sections are higher than the upper plate surface of the middle groove plate 71 under the lifting driving of the linear displacement output device 731, so as to move forward along the X-axis direction by the first distance under the forward driving of the linear displacement output device 741, and then the two fixed length pipe sections are placed in the second stock groove 711 and the third stock groove 712 under the lowering driving of the linear displacement output device 731, thereby realizing the step-by-step movement of the fixed length pipe sections. That is, the first material moving manipulator unit 8 is used for placing a plurality of pipe sections generated by synchronous cutting on the material supporting groove after rotating for a certain angle around the same vertical axis, namely two pipe sections and rotating for 90 degrees in the embodiment.

The second material transferring manipulator unit 9 comprises a synchronous transferring slide seat 95 which is driven by the transferring driving device 90 and can reciprocate on the supporting beam 900 along the X-axis direction, and four

manipulators

91, 92, 93 and 94 which are fixedly arranged on the synchronous transferring slide seat and respectively correspond to the pipe end rotary punching unit 161, the pipe end straight punching unit 162, the pipe section positioning unit 17 and the pipe bending unit, namely the number of the manipulators is equal to the number of processing units in the processing and forming system; the four manipulators have the same structure, and the manipulator 91 is taken as an example to illustrate the structure, the manipulator 91 comprises a material clamping claw 910, a mounting seat 911 fixedly arranged on the synchronous transfer sliding seat 95, and a lifting mechanism 912 for driving the material clamping claw 910 to lift relative to the mounting seat 911. The pipe sections processed by the current unit are grabbed from the third material supporting groove 712, the pipe end rotary punching clamping die, the pipe end straight punching clamping die and the V-shaped positioning groove 410, ascend, synchronously move forwards along the X axis in the positive direction, and descend, so that the four pipe sections are synchronously placed between the end rotary punching clamping die, the pipe end straight punching clamping die, the V-shaped positioning groove 410 and the round die and the clamping die of the pipe bending unit 18 for processing of the next procedure. The material transfer system is used for alternately transferring the pipe sections cut by the pipe section supply units arranged side by side to the pipe end processing unit 16, and sequentially and synchronously transferring the pipe sections in each processing unit of the processing and forming system 15 according to the processing procedure. In the embodiment, the lifting of each manipulator can be independently controlled, and only the reciprocating movement along the X-axis is synchronous control; of course, the lifting of the four manipulators can be synchronously controlled. In this embodiment, the support beams 800, 900 are the same support beam. The synchronous transfer carriage 95, the transfer driving device 90 and the material clamping claw 910 form a second transfer carriage, a second transfer driving device and a second material clamping claw in the present embodiment, and the movable direction of the second transfer carriage forms a second material transfer direction in the present embodiment, and the first material transfer directions thereof are the same and are all arranged along the X-axis direction in the present embodiment.

Referring to fig. 1 to 19, the process of manufacturing the socket using the pipe machining apparatus includes a feeding step S1 and a forming step S2, i.e., the feeding step S1 and the forming step S2 described below can be implemented when the processor of the control unit executes a program stored in the memory.

And a feeding step S1, wherein more than two pipe section feeding units are used for synchronously straightening the corresponding coil pipes into straight pipe materials and synchronously cutting the straight pipe materials into short pipe sections in a chipless rotary cutting mode.

In the present embodiment, as shown in fig. 17, the fixed length pipe sections 01 arranged in the X-axis direction in the axial direction are cut out simultaneously by the two-way pipe section feeding unit.

And a machining and forming step S2, wherein the pipe sections cut by the more than two pipe section feeding units are alternately subjected to pipe end treatment. Specifically, the method includes a sorting step S21, a processing step S22, and a stepping step S23.

In the sorting step S21, the synchronously cut short tube sections 01 are sequentially arranged at equal intervals along the direction of the main rotating shaft of the chipless rotary cutting apparatus, i.e. along the X-axis, and the length direction of the short tube sections is perpendicular to the direction of the main rotating shaft, i.e. along the X-axis.

By utilizing the matching of the first material moving mechanical arm unit 8 and the stepping material distributing unit, the fixed-length pipe section 01 arranged along the Y axial direction is rotated to be arranged along the X axial direction and is arranged on the middle groove plate 71 at equal intervals.

In the processing step S22, the pipe segment arranged at the front end is grasped and pipe end processing is performed.

Grabbing the pipe section positioned on the third material supporting groove 712 by using the manipulator 91 and transferring the pipe section to the pipe end spinning unit 161, and simultaneously performing pipe end processing on two ends, specifically, flaring processing is performed on one end, and necking processing is performed on the other end; then, the robot 92 grips the pipe segment and transfers it to the pipe-end straight punch unit 162, and performs flaring processing simultaneously on both pipe ends of the pipe segment, thereby obtaining a pipe segment 02 shown in fig. 18.

Next, the robot 93 grasps the pipe section 02 and moves it onto the pipe section positioning unit 17 to position it in the Y-axis direction.

Then, the manipulator 94 grips the pipe segment 02 and moves the pipe segment onto the pipe bending unit 18, and the pipe bending unit 18 performs pipe bending processing on the pipe segment 02 subjected to pipe end processing and positioning processing in sequence to obtain a pipe segment 03 shown in fig. 13 and 19, and the pipe segment 03 is pushed by the discharging unit 53 and falls into the material collecting unit 19.

Step S23, after the pipe sections in the third material supporting groove 712 are grabbed, the sequentially arranged pipe sections are moved forward by the distance between two adjacent pipe sections, i.e. the first distance, so as to move the pipe sections in the second material supporting groove 711 into the third material supporting groove 712, and synchronously move the pipe sections in the first material supporting groove 710 into the second material supporting groove 711, and the processing step S22 is repeated until the sequentially arranged pipe sections are processed.

The sorting step S21, the processing step S22 and the stepping step S23 are repeated to manufacture the electronic expansion valve adapters automatically and in batches.

The two middle trough plates 72 form the fixed trough seat in the present embodiment, and the first supporting trough 710, the second supporting trough 711, and the third supporting trough 712 form the positioning supporting trough in the present embodiment. The two side trough plates 72 form the displacement trough seat in the embodiment, and the fourth trough supporting trough 720 and the fifth trough supporting trough 721 form the displacement trough supporting trough in the embodiment. There is a plate spacing between adjacent channel plates, the plate spacing between the intermediate channel plates 72 being adapted to the size of the gripper jaws of the manipulator.

Pipe bender embodiment

The embodiment of the pipe bending machine of the present invention has been described in the embodiment of the pipe processing equipment, and is not repeated herein.

Of course, the utility model provides a step-by-step pipe fitting processing equipment structure that divides the applicable of material system has multiple obvious change in addition, and it is used for providing one kind and can will cut many pipe materials that produce in step and place in a plurality of support silos according to the sequence of sequence after same rotation axis rotation predetermined angle again to again along moving the material direction and making the synchronous antedisplacement of pipe material, to realize transferring the pipe material that cuts out in step to next processing unit in turn, and be applicable to more than only above-mentioned pipe fitting processing equipment embodiment.

The number of the material supporting grooves on the stepping material distributing unit depends on the number of the chipless rotary cutting units arranged side by side, generally, the number of the material supporting grooves on the fixed groove seat is one more than that of the chipless rotary cutting units, and the number of the material supporting grooves on the shifting groove seat is equal to that of the chipless rotary cutting units.

For the condition that the number of the shifting material supporting grooves is more than that of the fixed material supporting grooves, the manipulator can arrange all the pipe materials on the shifting material supporting plate which is lifted to the position that the lower edge of the material supporting groove is higher than the middle groove plate so as to move the pipe materials forwards in batches.

For some pipe fitting processing equipment, due to site limitation, the axial direction of the rotary cutting spindle can be set to form a certain angle with the material moving direction but not to form 90 degrees according to actual conditions, and at the moment, the rotating mechanism on the first material moving mechanical hand unit drives the material clamping claw to rotate by an angle smaller than 90 degrees.

In the above embodiment, for a pipe segment whose both ends are required to be subjected to pipe end processing, the pipe end processing unit simultaneously performs pipe end processing on both ends of the pipe segment, and if only one end of the pipe segment is required to be subjected to pipe end processing, the pipe end processing unit performs pipe end processing on the corresponding end of the pipe segment.

The utility model discloses in, "transfer the pipeline section that the pipeline section feed unit that arranges side by side more than two tunnel cuts off in turn for" transfer in turn "among the pipe end processing unit and be configured as and send the pipeline section that same round of cuts off to the pipeline section processing unit one by one after, transfer the pipeline section that the next round of cuts off one by one for pipe end processing unit.

Claims

1. A pipe bender comprises a pipe bender head and a core rod unit; the pipe bending machine head comprises a clamping die, a round die and a swing arm; the mandrel unit comprises a mandrel and a mandrel driving mechanism for driving the mandrel to extend into or withdraw from the pipe section;

the method is characterized in that:

the pipe bender comprises a discharging unit, wherein the discharging unit comprises a pushing sleeve sleeved outside the core rod and a pushing driving device used for driving the pushing sleeve to move along the axial direction of the core rod in a reciprocating manner.

2. The bender according to claim 1, wherein:

the pushing driving device is a linear displacement output device;

the discharging unit comprises a bracket; the stator of the linear displacement output device is fixed on the bracket; guide rod mechanisms are fixedly arranged on the bracket and positioned at two sides of the material pushing driving device; a connecting plate is fixedly arranged at the front end of the guide rod mechanism, and one end of the material pushing sleeve is fixed on the front end surface of the connecting plate; the rotor of the linear displacement output device is fixedly connected with the connecting plate;

the core rod passes through the material pushing sleeve after sequentially passing through the through hole in the bracket and the through hole in the connecting plate.

3. The bender according to claim 2, wherein:

the pipe bender comprises a support seat arranged between the support and the circular die along the axial direction of the core rod, and a guide pipe axially arranged along the axial direction of the core rod is fixedly arranged on the support seat;

the core rod driving mechanism drives the core rod to penetrate through the guide pipe, and the pushing driving device drives the pushing sleeve to penetrate through the guide pipe;

the guide rod mechanism includes a slide bearing fixed to the holder, and the guide rod is slidably mounted on the holder in the axial direction of the mandrel by the slide bearing.

4. The bender according to any of claims 1 to 3, wherein:

a material guide plate is fixedly arranged at the fixed end part of the swing arm, is vertically positioned between the circular die and the swing arm and comprises an inclined base plate with an avoidance port matched with the mounting seat of the circular die; when the clamping cavity of the clamping die is axially arranged along the axial direction of the core rod, the inclined base plate is obliquely arranged downwards along the direction of the circular die departing from the core rod driving mechanism and is used for guiding the track of a falling pipe section.

5. The bender according to claim 4, wherein:

and flanges are fixedly arranged on the edge part of the inclined base plate facing the clamping die and the edge part of the inclined base plate facing the core rod driving mechanism.

6. A pipe fitting machining device comprises a pipe bender and a feeding system, wherein the feeding system comprises a material moving manipulator system which supplies a pipe section to be bent to the pipe bender;

the method is characterized in that:

the bending machine is the bending machine of any one of claims 1 to 5.

7. The pipe machining apparatus of claim 6, wherein:

the pipe fitting machining equipment comprises a pipe section positioning unit;

and in the process of feeding the material moving manipulator system to the pipe bender, along the advancing direction of the pipe section, the pipe section positioning unit is positioned at the upstream of the pipe bender and is used for positioning the end face of the pipe section to be bent.

8. The pipe machining apparatus of claim 7, wherein:

the pipe section positioning unit comprises a material supporting groove, a positioning rod arranged on one groove side and a material pushing rod arranged on the other groove side.

9. Pipe machining apparatus according to any one of claims 6 to 8, characterized in that:

the feeding system comprises a pipe section feeding device;

the pipe section feeding device comprises a long pipe feeding unit, a chipless rotary cutting unit and a cutting clamping die, wherein the long pipe feeding unit cuts the fed long pipe into pipe sections; the cutting clamping die is a clamping die which is opened and closed along the transverse direction;

the material moving manipulator system comprises a first material moving manipulator unit used for clamping the pipe section clamped on the cutting clamping die along the lifting direction.

10. The pipe machining apparatus of claim 9, wherein:

the long pipe feeding unit comprises a feeding unit, the feeding unit comprises two guide rods arranged along the axial direction of a rotating main shaft of the chipless rotary cutting unit, a feeding clamping die slidably mounted on the guide rods, and a linear displacement output device for driving the feeding clamping die to reciprocate along the guide rods; the pipe section feeding device comprises a residual pipe clamping module unit arranged between the chipless rotary cutting unit and the long pipe feeding unit; the residual pipe part clamping die unit and the feeding clamping die are both vertically open-close type clamping dies; the lower clamping die of the upper and lower open-close type clamping die is a static clamping die;

the first material moving manipulator unit comprises a first mounting seat, a material clamping claw mounted on the first mounting seat, a first transfer sliding seat driven by a first transfer driving device to move along a first material moving direction, a lifting mechanism driving the first mounting seat to lift relative to the first transfer sliding seat, and a rotating mechanism driving the first mounting seat to rotate relative to the first transfer sliding seat around a vertical shaft;

the pipe section feeding device comprises a material receiving groove for receiving the pipe section released by the material clamping claw of the first material moving manipulator unit;

the material moving manipulator system comprises a second material moving manipulator unit, and the second material moving manipulator unit is used for transporting the pipe section loaded on the material receiving groove to the pipe bender after more than one time of transportation; the second material moving manipulator unit is positioned at the downstream of the first material moving manipulator unit along the advancing direction of the pipe section in the feeding process; the second material moving manipulator unit comprises a synchronous moving sliding seat which is driven by a second moving driving device and can reciprocate along a second material moving direction, and a plurality of manipulators fixedly arranged on the synchronous moving sliding seat.