CN100463773C - Numerical control pipe fitting assembly machine - Google Patents
Numerical control pipe fitting assembly machine Download PDFInfo
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- CN100463773C CN100463773C CNB2007101683104A CN200710168310A CN100463773C CN 100463773 C CN100463773 C CN 100463773C CN B2007101683104 A CNB2007101683104 A CN B2007101683104A CN 200710168310 A CN200710168310 A CN 200710168310A CN 100463773 C CN100463773 C CN 100463773C
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 2
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- 238000013461 design Methods 0.000 abstract description 11
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- 239000000463 material Substances 0.000 description 1
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Abstract
The invention provides a numerical control pipe fitting assembly machine, which comprises a transversal machine body (10), an upright column (5), a vertical type clamping device (4), a longitudinal machine body (11), a movable operating platform (1), a first horizontal type clamping device (2), a second horizontal type clamping device (9), a first work piece supporting fixture (3), a second work piece supporting fixture (8), and an electric control system. The numerical control pipe fitting assembly machine designs a data according to pipe fittings, simulates the state of on-site pipe fitting installation, and can realize the successful installation with one step of pipe fitting manufacture and assembly, working procedures, and the invention is more particularly suitable for the simulative on-site manufacture and assembly of an inserting pipe.
Description
Technical Field
The invention relates to a mechanical device for metal processing and combined processing, which comprises a high-precision measuring device, a digital signal processing system and a digital control system.
Background
The tube parts are divided into three types, namely, an installation tube (i.e., a finished tube), a test tube (i.e., a semi-finished tube) and an insertion tube (i.e., a sampling tube). In large piping installation such as ship manufacturing, due to human factor influence and errors in the manufacturing process, especially complex environment of an installation site and other uncertain factors, the problem that once success rate is very low when the pipe fittings, especially the embedded pipe and the trial pipe are assembled on site after being manufactured on the inner site often exists, so that the manufacturing and installation workload of the embedded pipe is increased, the construction period is prolonged, more materials are consumed, the cost is high, and the manufacturing period is delayed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a numerical control pipe fitting assembly machine, which can simulate and reproduce the actual states of two mounting ends of any section of pipe fitting on a ship mounting site, and can accurately complete the assembly positioning of flanges at two ends of the pipe fitting on the numerical control pipe fitting assembly machine, so that the manufactured pipe fitting can be successfully mounted on the site at one time.
In order to solve the problems, the invention provides a numerical control pipe fitting assembly machine which comprises a transverse machine body, an upright post, a vertical clamping device, a longitudinal machine body, a movable workbench, a first horizontal clamping device, a second horizontal clamping device, a first workpiece supporting clamp, a second workpiece supporting clamp and an electrical control system, wherein the transverse machine body is provided with a vertical shaft;
the horizontal machine body and the longitudinal machine body are both of horizontal casting structures, the front end of the horizontal machine body is connected with the side body of the longitudinal machine body, the stand column is of a closed double-rectangular structure, and the stand column is vertically erected on the horizontal machine body and can walk along the horizontal machine body; the movable workbench is arranged on the longitudinal machine body and can walk along the longitudinal machine body;
the vertical clamping device is arranged on the upright post and can move up and down along the upright post; the first horizontal clamping device and the second horizontal clamping device are respectively installed on the movable workbench, the first horizontal clamping device is fixed after being installed, and the second horizontal clamping device can move on the movable workbench along the movable workbench;
the vertical clamping device comprises a first rotary chuck, the first horizontal clamping device comprises a third rotary chuck, the second horizontal clamping device comprises a second rotary chuck, and the first rotary chuck, the second rotary chuck and the third rotary chuck can respectively rotate around an axis X, Y, Z; the X axis is the stroke direction of the movable workbench, the Y axis is the stroke direction of the upright post, and the Z axis is the vertical direction of the horizontal plane;
the first workpiece supporting clamp is arranged on the movable workbench adjacent to the first horizontal clamping device, and the adjacent point is positioned on the open side of the third rotary chuck of the first horizontal clamping device;
the second workpiece supporting clamp is arranged on the movable workbench adjacent to the second horizontal clamping device, and the adjacent point is positioned on the open side of the second rotary chuck of the second horizontal clamping device;
the electric control system comprises an electric control cabinet, a suspension control box and a machine body electric device, wherein the electric control cabinet comprises power supply conversion and electric power control; the suspension control box is a control device of the numerical control machine tool and is used for controlling the machine tool; the machine body electric device comprises a first servo motor, a second servo motor, a third servo motor, a fourth servo motor and a transmission case thereof.
Preferably, a horizontal screw support is installed at the rear end of the transverse machine body, a horizontal transmission screw nut seat is installed at the bottom of the upright post, and a horizontal ball screw is installed between the horizontal transmission screw nut seat and the horizontal screw support.
Furthermore, the first servo motor is installed on the rear end face of the transverse machine body, and is connected with the horizontal ball screw through a gearbox and used for driving the vertical column to move horizontally.
Preferably, a vertical transmission screw rod seat is installed at the top of the upright column, a vertical transmission screw rod nut seat is installed at the part, contacting the upright column, of the vertical clamping device, and a vertical ball screw is installed between the vertical transmission screw rod nut seat and the vertical transmission screw rod seat;
as a preferable scheme for the vertical movement of the vertical clamping device, the second servo motor is mounted on the top surface of the upright column, and the second servo motor is connected with the vertical ball screw through a gearbox and used for driving the vertical movement of the vertical clamping device.
As a preferred scheme of the horizontal movement of the movable working platform, the third servo motor is arranged at the middle lower part of the longitudinal machine body, a transmission rack is arranged on the lower plane of the movable working platform, and a transmission box of the third servo motor is connected with the transmission rack and used for driving the movable working platform to horizontally move on the longitudinal machine body.
Preferably, the movable workbench is of a rectangular reinforcing rib structure, a groove is formed in the upper plane of the movable workbench, a rail and a movable rack are respectively arranged in the groove, a sliding block is arranged on the rail, the second horizontal clamping device is arranged on the movable workbench through the sliding block, and the second workpiece supporting clamp is pushed by the second horizontal clamping device to move on the movable workbench along with the clamping device.
As an optimized scheme for the second horizontal clamping device to move on the movable workbench, the fourth servo motor is mounted on the second horizontal clamping device and is connected with the movable rack in the groove through a gearbox to drive the second horizontal clamping device to move on the movable workbench.
Preferably, the scale range of the first rotary chuck rotating around the X, Y, Z shaft is +/-35 degrees, 360 degrees and +/-90 degrees; the scales of the second rotary chuck rotating around the X, Y, Z axis are +/-15 degrees, +/-35 degrees and +/-45 degrees, and the scales of the third rotary chuck rotating around the X, Y, Z axis are +/-15 degrees, +/-35 degrees and +/-45 degrees.
Preferably, the first workpiece supporting clamp and the second workpiece supporting clamp respectively comprise a plurality of V-shaped blocks which can be increased and decreased and can clamp the pipe fittings with different outer diameters.
Preferably, the first and second workpiece support clamps are each connected to a welding ground.
Preferably, the numerical control pipe fitting assembling machine further comprises a suspension device, wherein the suspension device comprises a support, a cross arm and a cantilever, the suspension device is installed on the top side surface of the upright column through the support and the cross arm, and the suspension control box is installed below the suspension device through the cantilever.
Preferably, a horizontal linear guide rail is installed on the transverse machine body, a sliding block is installed on the rail, and the upright post is installed on the transverse machine body through the sliding block.
Also preferably, the front surface of the upright post is vertically provided with a linear guide rail, a sliding block is arranged on the guide rail, and the vertical clamping device is arranged on the upright post through the sliding block.
Also preferably, the upper plane of the longitudinal body is provided with a horizontal linear guide rail, the horizontal linear guide rail is provided with a sliding block, and the moving workbench is installed on the longitudinal body through the sliding block.
According to the numerical control pipe fitting assembly machine provided by the invention, the installation site states of the installation pipe, the trial installation pipe and the embedded pipe are simulated according to the data obtained by the measurement of the three-dimensional data measuring instrument on the installation site of the installation pipe, the trial installation pipe and the embedded pipe, so that the one-step successful completion of the flange assembly process of the pipe ends of the installation pipe, the trial installation pipe and the embedded pipe can be realized. The method is particularly suitable for the assembly and inspection of the embedded pipe, and greatly improves the assembly power of the embedded pipe. Meanwhile, the numerical control pipe fitting assembly machine has the real-time numerical control distance and angle measuring and displaying functions, so that the numerical control pipe fitting assembly machine can be used for correcting and assembling installation pipes, trial-installed pipes and branch pipes and measuring and checking after pipe fitting manufacturing is completed. The equipment is a controllable platform for pipe fitting precision checking and assembling, the quality of the pipe fitting assembling is controllable, the assembling error is reduced, the influence factors considered by designers in the design stage are reduced, a large amount of manpower is saved, the production cost is greatly reduced, the manufacturing and installing period of a pipe system is shortened, and the economic benefit is improved.
Drawings
Figure 1 is a front view of a numerically controlled pipe fitting assembly machine.
Figure 2 is a left side view of the numerically controlled pipe fitting assembly machine.
Fig. 3 is a top view of the numerical control pipe fitting assembling machine with the suspension device, the console, and the first and second workpiece support jigs removed.
The technical solution of the present invention will be further specifically described with reference to the accompanying drawings.
Detailed Description
Referring to fig. 1, fig. 2 and fig. 3, the numerical control pipe fitting assembling machine of the present embodiment includes a transverse machine body 10, a vertical column 5, a vertical clamping device 4, a longitudinal machine body 11, a movable table 1, a first horizontal clamping device 2, a second horizontal clamping device 9, a first workpiece supporting fixture 3, a second workpiece supporting fixture 8, and an electrical control system. The numerical control pipe fitting assembly machine is a precise measuring machine tool, an electrical control system of the numerical control pipe fitting assembly machine comprises an electrical control cabinet, a suspension control box 7 and a machine body electrical device, wherein the electrical control cabinet provides power control, and the input voltage of the electrical control cabinet is AC380V (3-ph +/-10%), and the frequency is 50Hz +/-1% (continuous)/50 Hz +/-2% (transient); the requirements of working environment conditions are as follows: the environmental temperature is-5-40 ℃, the temperature change rate is 11 ℃/Min, the relative humidity is less than or equal to 85 percent, and the instantaneous maximum relative humidity is 95 percent. The suspension control box 7 is a control device of a numerical control machine tool and is provided with a German Siemens 802C numerical control operation system which is a numerical control machine tool system mature and widely used in the field. The display precision of a digital display device of the suspension control box is as follows: the length is 0.1mm, and the angle is 0.1 degree; the machine body electric device comprises a first servo motor, a second servo motor, a third servo motor, a fourth servo motor and a transmission case thereof.
The transverse fuselage 10 and the longitudinal fuselage 11 are both horizontal casting structures and respectively comprise a front wall, a rear wall, a top wall, transverse partitions and straight ribs. The transverse fuselage 10 is 2350mm long, 500mm wide and 450mm high, and the longitudinal fuselage 11 is 8200mm long, 500mm wide and 450mm high. The front end of the transverse fuselage 10 is connected with the side body of the longitudinal fuselage 11, the upright column 5 is 1922mm high, 540mm wide and 700mm thick, is a closed double-rectangular structure, has better bending rigidity and torsional rigidity, is vertically erected on the transverse fuselage 10, two rows of horizontal linear guide rails are installed on the transverse fuselage 10, and 2 sliding blocks are installed on each of the two rows of horizontal rails and used for bearing the load of the upright column 5. The upright post 5 is arranged on the transverse machine body 10 through a sliding block and can walk along the transverse machine body 10;
the rear end of the transverse machine body 10 is provided with a horizontal screw support, the bottom of the upright post 5 is provided with a horizontal transmission screw nut seat, and the horizontal transmission screw nut seat is connected with the horizontal screw support through a horizontal ball screw. The rear end face of the transverse machine body 10 is provided with a first servo motor, the type number of the first servo motor is GK6062-6AC31, 7.5NM and 2000R.P.M with a gun gate, the first servo motor is connected with the horizontal lead screw support and used for driving the upright post 5 to horizontally move on the transverse machine body 10, the moving stroke is 0-1500 mm, the moving speed is 0-4 m/min, and the moving and positioning precision is +/-0.1 mm.
Two rows of linear guide rails are vertically arranged on the front surface of the upright post 5, 2 sliding blocks are respectively arranged on the two rows of guide rails, and the vertical clamping device 4 is arranged on the upright post 5 through the sliding blocks. A vertical transmission screw rod seat is arranged at the top of the upright post 5, a vertical transmission screw rod nut seat is arranged at the part of the vertical clamping device 4 contacting with the upright post 5, and the vertical transmission screw rod nut seat is connected with the vertical transmission screw rod seat by a vertical ball screw rod; the top surface of the upright post 5 is provided with a second servo motor with the model number of GK6062-6AC31, 7.5NM and 2000R.P.M, the second servo motor is connected with the vertical transmission screw rod and used for driving the vertical clamping device 4 to move up and down along the upright post 5, the stroke of the vertical clamping device 4 on the upright post 5 is 0-1000 mm, the moving speed is 0-4 m/min, and the moving and positioning precision is +/-0.1 mm.
The vertical clamping device 4 comprises a first rotary chuck, the first rotary chuck is provided with a worm self-locking device and can rotate around an X, Y, Z shaft, the rotary axes in three directions of X, Y, Z are intersected at the central point of the first rotary chuck, the maximum rotary angle is +/-35 degrees around an X shaft, 360 degrees around a Y shaft and +/-90 degrees around a Z shaft, and the resolution of the rotary angle is +/-0.1 degree; the first rotary chuck can clamp the maximum outer diameter phi 305mm of a workpiece.
The suspension device 6 comprises a support, a cross arm and a cantilever, the support is arranged on the side face of the top of the upright post 5, the support is connected with the cross arm, the cross arm is connected with the cantilever suspension device 6, and the suspension control box 7 is arranged below the suspension device 6 through the cantilever. The suspension device 6 is used for balancing the suspension control box 7, so that the suspension control box 7 can move up and down, left and right and back and forth according to the operation requirement. The suspension arms of the suspension unit 6 include spring-regulated balance dampers to prevent the suspension console box 7 from rising and falling suddenly.
Two rows of horizontal linear guide rails are arranged on the upper plane of the longitudinal machine body 11, and 4 sliding blocks are respectively arranged on the two rows of horizontal linear guide rails and are used for equally dividing and bearing the load of the movable workbench 1. The movable working table 1 is of a rectangular reinforcing rib structure and is arranged on the longitudinal machine body 11 through a sliding block. The length of the movable workbench 1 is 5200mm, the width is 750mm, the height is 200mm, the interval of transverse ribs is 400mm, and the movable workbench has enough bending resistance and torsional rigidity; and a third servo motor is arranged in the middle of the longitudinal machine body 11, and the model numbers are GK6062-6AC31, 7.5NM and 2000 R.P.M. And the transmission rack is arranged on the lower plane of the movable workbench 1, and the third servo motor transmission box is connected with the transmission rack and used for driving the movable workbench 1 to horizontally move along the longitudinal machine body 11, and the stroke of the horizontal movement is 0-4000 mm.
The first horizontal clamping device 2 is fixedly arranged at one end of the movable workbench 1, the first horizontal clamping device 2 comprises a third rotary chuck, the third rotary chuck is provided with a worm self-locking device and can rotate around an X, Y, Z shaft, and the rotary axes in three directions of X, Y, Z are intersected at the central point of the third rotary chuck; the maximum outer diameter of a workpiece clamped by the third rotary chuck is phi 305mm, and the maximum rotary angle is as follows: around the X axis +/-15 degrees, around the Y axis +/-35 degrees, around the Z axis +/-45 degrees and with the rotation angle resolution of +/-0.1 degrees.
The first workpiece supporting clamp 3 is arranged on the movable workbench 1 adjacent to the first horizontal clamping device 2, and the adjacent point is positioned on the open side of the third rotary chuck of the first horizontal clamping device 2; the first workpiece support jig 3 comprises 10 kinds of V-blocks which can be increased or decreased and can hold pipes of different outer diameters. And the V-shaped block is selected according to different outer diameters of the pipe fitting, the pipe fitting is arranged on the V-shaped block, the axis of one end of the pipe fitting is automatically overlapped with the center line of the third rotary chuck, and the axis of the other end of the pipe fitting is overlapped with the center line of the first rotary chuck or the second rotary chuck for clamping a flange at the other end of the pipe fitting. The first work support fixture 3 is connected to a welding ground.
The second horizontal clamping device 9 is installed at the other end of the movable workbench 1, 5 grooves are formed in the upper plane of the movable workbench 1, a transmission rack is installed in 1 groove, tracks are installed in 2 grooves respectively, and the rest 2 grooves are reserved. The rail is provided with a slide block, and the second horizontal clamping device 9 and the second workpiece support jig 8 are respectively arranged on the movable worktable 1 through the slide block. A fourth servo motor is arranged on the second horizontal clamping device 9, the types of the fourth servo motor are GK6032-AC31, 1.1NM and 2000R.P.M with a gun gate, and the fourth servo motor is connected with a transmission rack in the groove and drives the second horizontal clamping device 9 to move left and right along the moving workbench 1; the second horizontal clamping device 9 comprises a second rotary chuck, the second rotary chuck is provided with a worm self-locking device and can rotate around an X, Y, Z shaft, and the rotary axes in three directions X, Y, Z are intersected at the central point of the second rotary chuck; the maximum outer diameter of a workpiece clamped by a horizontal rotary chuck of the movable clamping device is as follows: phi 305mm, the stroke range is: the X axis is 4000-50 mm, and the moving speed is as follows: 0-4 m/min, and the maximum rotation angle is as follows: around the X axis +/-15 degrees, around the Y axis +/-35 degrees, around the Z axis +/-45 degrees and with the rotation angle resolution of +/-0.1 degrees.
The second workpiece supporting clamp 8 is arranged on the movable workbench 1 adjacent to the second horizontal clamping device 9, and the adjacent point is positioned at the open side of the second rotary chuck of the second workpiece supporting clamp 8; the second workpiece supporting clamps 8 respectively comprise a plurality of V-shaped blocks which can be increased and decreased and can clamp pipe fittings with different outer diameters. And selecting a V-shaped block according to different outer diameters of the pipe fitting, arranging the pipe fitting on the V-shaped block, automatically overlapping the axis of one end of the pipe fitting with the center line of the second rotary chuck, and overlapping the axis of the other end of the pipe fitting with the center line of the first rotary chuck or the third rotary chuck for clamping the flange at the other end of the pipe fitting. The second work piece support fixture 8 is connected to a welding ground.
The origin of the machine tool coordinate system set by the numerical control management machine is as follows: and taking the axial lead of the third rotary chuck on the first horizontal clamping device 2 parallel to the X axis as a ray, taking the vertical plane of the axial lead of the first rotary chuck of the vertical clamping device 4 parallel to the Y axis as a YZ plane, and taking the vertical foot of the ray on the YZ plane as the origin of the coordinate system.
In the assembling of the elbow, if the shape of the elbow is a flat type elbow, the first horizontal clamp 2 and the second horizontal clamp 9 are used in combination. First, two flanges to be fitted to the two ends of the pipe bend, one clamped on the first horizontal clamping device 2 and the other on the second horizontal clamping device 9. Then, the movable table 1 is started according to the coordinate data of the two flanges provided by the design, that is, the third chuck axis of the first horizontal clamping device 2 is positioned to the X coordinate of the flange design clamped by the first horizontal clamping device. And moving the second horizontal clamping device 9 to position the second chuck axis of the second horizontal clamping device 9 to the X coordinate of the flange design clamped by the second horizontal clamping device. At this time, the display on the suspension control box 7 displays the coordinates of each moving flange in the coordinate system in real time for the operator to refer to until the design coordinate positions of the two flanges are adjusted. Then, according to the included angle data of the two flanges which are provided by design and respectively opposite to X, Y, Z three axes, the rotation angles of the flanges on the third rotary chuck of the first horizontal clamping device 2 and the second rotary chuck of the second horizontal clamping device 9 in three directions X, Y, Z are respectively and correspondingly adjusted, and at the moment, the display on the suspension control box 7 can display the rotation angles of the flanges which are being adjusted in three directions X, Y, Z in real time. After the corners of the two flanges are adjusted in place, the corresponding bent pipes are assembled on a numerical control assembly machine according to the positioning sequence of the flanges at the two ends, and the bent pipes are clamped by a first workpiece supporting clamp 3. And finally, welding the two ends of the bent pipe with flanges clamped on the first horizontal clamping device 2 and the second horizontal clamping device 9 to complete the flange assembly of the bent pipe.
When the elbow is assembled, if the shape of the elbow is a three-dimensional elbow, the first horizontal clamping device 2 and the vertical clamping device 4 can be applied in combination. First, two flanges to be fitted to both ends of the elbow are clamped, one on the first horizontal clamping device 2 and the other on the vertical clamping device 4. Then, according to the relative distance on the X axis of the two flanges, the mobile table 1 is activated to move along the longitudinal body 11 until it coincides with the relative distance on the X axis of the two flanges. Then, starting the vertical column 5 to move along the transverse fuselage 10 according to the relative distance on the Y axis of the two flanges until the relative distance on the Y axis of the two flanges is met; then, according to the relative distance between the two flanges on the Z axis, the vertical clamping device 4 is started to move along the upright post 5 until the relative distance between the two flanges on the Z axis is met. At this time, the display on the suspension control box 7 displays the coordinates of each moving flange in the coordinate system in real time for the operator to refer to until the design coordinate positions of the two flanges are adjusted. Then, according to the included angle data of three opposite shafts X, Y, Z of the two flanges provided by design, the rotation angles of the flange on the third rotating chuck of the first horizontal clamping device 2 and the first rotating chuck of the vertical clamping device 4 in three directions X, Y, Z are respectively adjusted correspondingly, and at the moment, the display on the suspension control box 7 can display the rotation angle of the flange being adjusted in three directions X, Y, Z in real time. After the corners of the two flanges are adjusted in place, the corresponding bent pipes are assembled on a numerical control assembly machine according to the positioning sequence of the flanges at the two ends, and the bent pipes are clamped by a first workpiece supporting clamp 3. And finally, welding the two ends of the bent pipe with flanges clamped on the first horizontal clamping device 2 and the vertical clamping device 4 to complete flange assembly of the bent pipe.
For the assembly of some special three-dimensional bent pipes, if the combination mode of the first horizontal clamping device 2 and the vertical clamping device 4 cannot be matched, the combination mode of the second horizontal clamping device 9 and the vertical clamping device 4 can be adopted, firstly, two flanges to be assembled at two ends of the bent pipe are clamped on the second horizontal clamping device 9, and the other flanges are clamped on the vertical clamping device 4. Then, according to the relative distance on the X-axis of the two flanges, the mobile table 1 is started to move along the longitudinal body 11 or the second horizontal clamping device 9 is moved on the mobile table 1 until the relative distance on the X-axis of the two flanges is met. Then, starting the vertical column 5 to move along the transverse fuselage 10 according to the relative distance on the Y axis of the two flanges until the relative distance on the Y axis of the two flanges is met; then, according to the relative distance between the two flanges on the Z axis, the vertical clamping device 4 is started to move along the upright post 5 until the relative distance between the two flanges on the Z axis is met. At this time, the display on the suspension control box 7 displays the coordinates of each moving flange in the coordinate system in real time for the operator to refer to until the design coordinate positions of the two flanges are adjusted. Then, according to the included angle data of the three opposite X, Y, Z axes of the two flanges provided by design, the rotation angles of the flange on the second rotary chuck of the second horizontal clamping device 9 and the first rotary chuck of the vertical clamping device 4 in three directions X, Y, Z are respectively adjusted correspondingly, and at the moment, the display on the suspension control box 7 can display the rotation angle of the flange being adjusted in three directions X, Y, Z in real time. After the corners of the two flanges are adjusted in place, the corresponding bent pipes are assembled on a numerical control assembly machine according to the positioning sequence of the flanges at the two ends, and the bent pipes are clamped by a second workpiece supporting clamp 8. And finally, welding the two ends of the bent pipe with flanges clamped on the second horizontal clamping device 9 and the vertical clamping device 4 to complete the flange assembly of the bent pipe.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (15)
1. The numerical control pipe fitting assembly machine is characterized by comprising a transverse machine body (10), an upright post (5), a vertical clamping device (4), a longitudinal machine body (11), a movable workbench (1), a first horizontal clamping device (2), a second horizontal clamping device (9), a first workpiece supporting clamp (3), a second workpiece supporting clamp (8) and an electric control system; wherein,
the transverse machine body (10) and the longitudinal machine body (11) are both of a horizontal casting structure, the front end of the transverse machine body (10) is connected with the side body of the longitudinal machine body (11), the upright column (5) is of a closed double-rectangular structure, and the upright column (5) is vertically erected on the transverse machine body (10) and can walk along the transverse machine body (10); the movable workbench (1) is arranged on the longitudinal machine body (11) and can walk along the longitudinal machine body (11);
the vertical clamping device (4) is arranged on the upright post (5) and can move up and down along the upright post (5); the first horizontal clamping device (2) and the second horizontal clamping device (9) are respectively installed on the movable workbench (1), the first horizontal clamping device (2) is fixed on the movable workbench (1) after being installed, and the second horizontal clamping device (9) can move on the movable workbench (1) along the movable workbench (1);
the vertical clamping device (4) comprises a first rotary chuck, the first horizontal clamping device (2) comprises a third rotary chuck, the second horizontal clamping device (9) comprises a second rotary chuck, and the first rotary chuck, the second rotary chuck and the third rotary chuck can rotate around an axis X, Y, Z respectively; the X axis is the stroke direction of the movable workbench (1), the Y axis is the stroke direction of the upright post (5), and the Z axis is the vertical direction of the horizontal plane;
the first workpiece supporting clamp (3) is arranged on the movable workbench (1) adjacent to the first horizontal clamping device (2), and the adjacent point is positioned on the open side of the third rotary chuck of the first horizontal clamping device (2);
the second workpiece supporting clamp (8) is adjacent to the second horizontal clamping device (9) and is arranged on the movable workbench (1), and the adjacent point is positioned on the open side of the second rotary chuck of the second horizontal clamping device (9);
the electric control system comprises an electric control cabinet, a suspension control box (7) and a machine body electric device, wherein the electric control cabinet comprises power supply conversion and electric power control, the suspension control box (7) is a control device of a numerical control machine tool and is used for controlling the machine tool, and the machine body electric device comprises a first servo motor, a second servo motor, a third servo motor, a fourth servo motor and a transmission box thereof.
2. The numerical control pipe fitting assembly machine as claimed in claim 1, characterized in that the rear end of the transverse body (10) is provided with a horizontal screw support, the bottom of the upright (5) is provided with a horizontal driving screw-nut seat, and a horizontal ball screw is arranged between the horizontal driving screw-nut seat and the horizontal screw support.
3. Numerical control pipe assembly machine according to claim 2, characterized in that said transverse body (10) has a rear end surface equipped with said first servomotor connected to said horizontal ball screw for driving the horizontal movement of said upright (5).
4. The numerical control pipe fitting assembly machine as claimed in claim 1, characterized in that a vertical drive screw seat is installed on the top of said upright (5), a vertical drive screw-nut seat is installed on the portion of said vertical clamping device (4) contacting said upright (5), and a vertical ball screw is installed between said vertical drive screw-nut seat and said vertical drive screw seat.
5. Numerically controlled pipe assembly machine according to claim 4, characterized in that said second servomotor, connected to said vertical ball screw, is mounted on the top surface of said upright (5) for driving the vertical movement of said vertical gripping means (4).
6. Numerical control pipe assembly machine according to claim 1, characterized in that said third servomotor is mounted in the middle of said longitudinal body (11), and a driving rack is mounted on the lower plane of said mobile work-table (1), and a third servomotor gearbox is coupled to said driving rack for driving the horizontal movement of said mobile work-table (1) on said longitudinal body (11).
7. A numerically controlled pipe fitting assembling machine according to claim 1, characterized in that said movable table (1) is of a rectangular reinforcing bar structure, the upper plane of which is provided with a groove, in which a linear guide and a driving rack are respectively mounted, a slide block is mounted on the rail, said second horizontal clamping device (9) is mounted on the movable table (1) by means of the slide block, and the second workpiece supporting jig is moved on the movable table by the second horizontal clamping device along with the clamping device.
8. A numerically controlled pipe assembly machine according to claim 7, wherein said second horizontal gripping means (9) are provided with said fourth servomotor connected to a driving rack in said recess through a gear in a gearbox, driving said second horizontal gripping means (9) in translation on said translation table (1).
9. The numerically controlled pipe fitting assembling machine according to claim 1, wherein said first chuck rotates around X, Y, Z axes by a scale range of ± 35 °, 360 °, 90 °; the scales of the second rotary chuck rotating around the X, Y, Z axis are +/-15 degrees, +/-35 degrees and +/-45 degrees, and the scales of the third rotary chuck rotating around the X, Y, Z axis are +/-15 degrees, +/-35 degrees and +/-45 degrees.
10. The assembly machine of claim 1, wherein said first (3) and second (8) workpiece-supporting jaws comprise respective V-shaped blocks, which can be increased or decreased, and can grip tubes of different external diameters.
11. A digitally controlled pipe assembly machine according to any one of claims 1, 7 or 10, wherein the first and second workpiece support grippers (3, 8) each have ground wire electrical welding means.
12. Numerical control pipe assembly machine according to claim 1, characterized in that it further comprises a suspension device (6), said suspension device (6) comprising a pedestal, a crossbar, a cantilever, mounted on the top side of said column (5) by means of said pedestal, crossbar, said suspension maneuvering box (7) being mounted under the suspension device (6) by means of said cantilever.
13. The numerical control pipe fitting assembly machine of claim 1, wherein said transverse body (10) is provided with horizontal linear guides, tracks are provided with sliders, and said uprights (5) are mounted on said transverse body (10) by means of sliders.
14. The numerical control pipe fitting assembly machine according to claim 1, characterized in that the front face of said upright (5) is vertically provided with a linear guide on which a slider is mounted, said vertical gripping device (4) being mounted on said upright (5) by means of a slider.
15. Numerical control pipe fitting assembly machine according to claim 1, characterized in that said longitudinal body (11) has a horizontal linear guide on the upper plane, which has a slide, said mobile work-table (1) being mounted on said longitudinal body (11) by means of a slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101683104A CN100463773C (en) | 2007-11-09 | 2007-11-09 | Numerical control pipe fitting assembly machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101683104A CN100463773C (en) | 2007-11-09 | 2007-11-09 | Numerical control pipe fitting assembly machine |
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| Publication Number | Publication Date |
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| CN101157178A CN101157178A (en) | 2008-04-09 |
| CN100463773C true CN100463773C (en) | 2009-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101683104A Active CN100463773C (en) | 2007-11-09 | 2007-11-09 | Numerical control pipe fitting assembly machine |
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| Country | Link |
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| CN (1) | CN100463773C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013013416A1 (en) * | 2011-07-28 | 2013-01-31 | 长沙中联重工科技发展股份有限公司 | Straight-line force application unit and rod assembly machine with the same |
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| Publication number | Publication date |
|---|---|
| CN101157178A (en) | 2008-04-09 |
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