CN109822138B - Large rectangular sealing plane processing device - Google Patents
Large rectangular sealing plane processing device Download PDFInfo
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- CN109822138B CN109822138B CN201910287359.4A CN201910287359A CN109822138B CN 109822138 B CN109822138 B CN 109822138B CN 201910287359 A CN201910287359 A CN 201910287359A CN 109822138 B CN109822138 B CN 109822138B
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- 238000007789 sealing Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 claims abstract description 10
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- 238000000429 assembly Methods 0.000 claims description 28
- 238000003754 machining Methods 0.000 claims description 27
- 238000003801 milling Methods 0.000 claims description 20
- 230000007704 transition Effects 0.000 claims description 18
- 239000003638 chemical reducing agent Substances 0.000 claims description 13
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- 238000003466 welding Methods 0.000 abstract description 9
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Abstract
The invention discloses a large rectangular sealing plane processing device, and aims to solve the problems that when a large rectangular sealing plane is prepared, the large rectangular sealing plane is firstly processed in a factory in a blocking mode, and welding is easy to cause deformation and the sealing effect is affected by the mode of reproducing the split welding of a field into a whole. The device comprises a portal frame, a longitudinal travel unit, a transverse travel unit, a rotation unit and a processing unit. The processing of the whole rectangular sealing plane can be completed once, the processing efficiency and quality are effectively improved, and the difficult problem of processing the large rectangular sealing plane is effectively solved. Simultaneously, because the adoption of the method can be used for processing and forming the large rectangular sealing plane at one time, the welding mode is avoided, the deformation caused by welding can be effectively avoided, and the overall performance of the rectangular sealing plane is improved. The device has the advantages of ingenious conception, reasonable design and convenient use, has important significance for processing the large rectangular sealing plane, and is beneficial to improving the manufacturing capacity and the equipment performance of the large pressure vessel.
Description
Technical Field
The invention relates to the field of machining, in particular to the field of machining equipment, and particularly relates to a large rectangular sealing plane machining device. The rectangular sealing plane machining device can achieve rectangular feeding motion tracks relative to a rectangular sealing plane, and meets corresponding machining requirements. The rectangular sealing door for the pressure vessel can effectively improve the processing efficiency and quality in the processing process of the rectangular sealing door for the pressure vessel, and has excellent application prospect.
Background
In the pressure vessel, many manholes and personnel access doors are rectangular structures, and corresponding sealing surfaces also adopt rectangular structure sealing surfaces. In recent years, with the increasing market demands and manufacturing capability levels, the pressure vessels are increasingly larger in volume, so that the size of the sealing surfaces is also drastically increased, which puts higher demands on the processing of large sealing surfaces.
Currently, there is no specialized machining equipment for large rectangular sealing planes. Many large pressure vessels, because of their large size, cannot be transported by road, and can only be processed in the field. The large rectangular sealing plane is usually processed in the following manner: firstly, the materials are segmented and processed in a factory, and the materials are welded together in a reproduction field. However, the use of welding to make a large rectangular sealing plane is prone to deformation, affecting the sealing effect.
For this reason, a new device is urgently needed to solve the above-mentioned problems.
Disclosure of Invention
The invention aims at: the large rectangular sealing plane processing device aims at solving the problems that when a large rectangular sealing plane is prepared, the large rectangular sealing plane is firstly processed in a factory in a blocking mode, field welding is reproduced into a whole, deformation is easily caused by welding, and sealing effect is affected. The processing device can complete processing of the whole rectangular sealing plane at one time, effectively improves processing efficiency and quality, and effectively solves the difficult problem of processing of the large rectangular sealing plane. Simultaneously, because the adoption of the method can be used for processing and forming the large rectangular sealing plane at one time, the welding mode is avoided, the deformation caused by welding can be effectively avoided, and the overall performance of the rectangular sealing plane is improved. The method has the advantages of ingenious conception, reasonable design and convenient use, has important significance for processing the large rectangular sealing plane, is beneficial to improving the manufacturing capacity and the equipment performance of the large pressure vessel, and has higher application value.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the large rectangular sealing plane machining device comprises a portal frame, a longitudinal travel unit, a transverse travel unit, a rotary unit and a machining unit for machining a rectangular plane;
the longitudinal travel units are in a group, and two arms of the portal frame are respectively connected with the longitudinal travel units;
the longitudinal travel unit comprises a longitudinal bottom plate, longitudinal linear guide rails, longitudinal sliding blocks and limiting assemblies, wherein the longitudinal sliding blocks and the limiting assemblies are matched with the longitudinal linear guide rails, the longitudinal linear guide rails are arranged on the longitudinal bottom plate, the longitudinal sliding blocks are arranged on the longitudinal linear guide rails and can move relative to the longitudinal linear guide rails, the portal frame is connected with the longitudinal sliding blocks and can move relative to the longitudinal linear guide rails through the longitudinal sliding blocks, the limiting assemblies in the longitudinal travel unit are in a group, the limiting assemblies in the longitudinal travel unit are arranged on the longitudinal linear guide rails, the longitudinal sliding blocks are positioned between the limiting assemblies of the longitudinal travel unit, and the limiting assemblies of the longitudinal travel unit can limit the movement of the longitudinal sliding blocks relative to the longitudinal linear guide rails;
the transverse travel unit comprises transverse linear guide rails, transverse sliding blocks and limiting assemblies, wherein the transverse sliding blocks and the limiting assemblies are matched with the transverse linear guide rails, the transverse linear guide rails are arranged on the portal frame, the portal frame can provide support for the transverse linear guide rails, the transverse sliding blocks are arranged on the transverse linear guide rails and can move relative to the transverse linear guide rails, the limiting assemblies in the transverse travel unit are a group, the limiting assemblies in the transverse travel unit are arranged on the transverse linear guide rails, the transverse sliding blocks are positioned between the limiting assemblies of the transverse travel unit, and the limiting assemblies of the transverse travel unit can limit the movement of the transverse sliding blocks relative to the transverse linear guide rails;
the rotary unit comprises a bottom plate, a worm wheel fixing seat, a rotary supporting component, a worm, a rotary power component, a worm wheel matched with the worm, a rotary support, a push rod and a spring, wherein the worm wheel fixing seat and the rotary supporting component are respectively arranged on the bottom plate, the worm is arranged on the rotary supporting component and can rotate relative to the rotary supporting component, and the worm wheel is movably connected with the worm wheel fixing seat and can rotate relative to the worm wheel fixing seat; the rotary power assembly is connected with the worm and can drive the worm to rotate relative to the rotary support assembly, the worm is meshed with the worm wheel, the worm can drive the worm wheel to rotate relative to the worm wheel fixing seat when the worm rotates relative to the rotary support assembly, the rotary support is connected with the worm wheel, the worm wheel can drive the rotary support to rotate relative to the worm wheel fixing seat, and the rotary support is provided with a through hole; one end of the push rod is hinged with the transverse sliding block, the other end of the push rod passes through the through hole of the rotary support and can move relative to the through hole, the spring is arranged on the push rod, and the spring is positioned between the transverse sliding block and the rotary support;
the connecting part of the push rod and the transverse sliding block is marked as a connecting end, the processing unit is connected with the connecting end, and the push rod can drive the processing unit to move along the rectangular feeding movement track.
The device also comprises a transition section, and the push rod is connected with the processing unit through the transition section.
The number of the rotary supporting components is at least two, and the rotary supporting components are uniformly distributed on the bottom plate.
The rotary support assembly comprises a rotary support and a rotary bearing, the rotary support is arranged on the bottom plate, the rotary bearing is arranged on the rotary support, and the worm is arranged on the rotary bearing and can rotate relative to the rotary bearing.
The spring can provide restoring force for the push rod.
The portal frame is U-shaped, the portal frame includes crossbeam, support arm, the support arm is a set of and symmetry setting in the crossbeam both sides, the portal frame is respectively with longitudinal stroke unit swing joint and longitudinal stroke unit can drive the portal frame and remove along the direction of perpendicular to crossbeam through two support arms.
The rotary power assembly comprises a rotary fixing seat, a rotary motor, a rotary speed reducer and a rotary coupler, wherein the rotary fixing seat is arranged on the bottom plate, the rotary motor is connected with the rotary fixing seat and can provide support for the rotary motor, and the rotary motor is connected with the worm through the rotary speed reducer and the rotary coupler and can drive the worm to rotate relative to the rotary support assembly.
The limit assembly comprises a track locker. The track locker on the longitudinal travel unit is arranged on the longitudinal linear guide rail, so that the limit of the moving position and distance of the longitudinal sliding block is achieved.
The limiting assembly further comprises a driving motor, a driving motor seat, a driving coupler, a ball screw, a ball nut and a nut seat, wherein the driving motor is arranged on the driving motor seat and can provide support for the driving motor, the nut seat is connected with the track locker, the ball nut is movably connected with the nut seat, the ball screw is matched with the ball nut and can drive the ball nut to move relatively when the ball screw rotates, and the driving motor is connected with the ball screw through the driving coupler and can drive the ball screw to move axially relative to the ball screw so as to change the relative position of the track locker.
The limiting assembly further comprises a limiting support and a second bearing, the second bearing is arranged on the limiting support, the ball screw is arranged on the second bearing, and the second bearing can provide support for the ball screw.
The driving motor seat in the limiting assembly of the transverse stroke unit is connected with the portal frame, and the portal frame can provide support for the driving motor seat of the transverse stroke unit.
In the longitudinal travel unit, when the ball nut moves, the track locker connected with the ball nut through the nut seat moves axially relative to the longitudinal linear guide rail, so that the travel of the portal frame on the longitudinal linear guide rail is changed, and the longitudinal travel of the portal frame is adjusted. Similarly, in the transverse travel unit, when the ball nut moves, the track locker connected with the ball nut through the nut seat moves relative to the transverse linear guide rail in the axial direction, so that the travel of the portal frame on the transverse linear guide rail is changed, and the transverse travel of the portal frame is adjusted.
The limiting assembly further comprises a driving speed reducer, and a rotating shaft of the driving motor is connected with the ball screw through the driving speed reducer and the driving coupler in sequence and can drive the ball screw to rotate.
The rotary motor and the driving motor are one or more of a servo motor and a stepping motor respectively.
The processing unit is a milling machine.
To the foregoing problem, the present application provides a large rectangular sealing plane machining device. In the application, the rotary motor drives the worm and gear pair to rotate, and the worm wheel drives the rotary support fixedly connected with the worm wheel to rotate, so that the transition section fixedly connected with the push rod is driven to move along the longitudinal and transverse linear guide rails in a continuous rectangular track; meanwhile, the milling machine is fixedly connected with the transition section, so that the milling machine also performs feeding motion along a rectangular track, and the rectangular sealing surface is machined. The invention can greatly improve the processing efficiency and quality of the large rectangular sealing plane, effectively solve the processing problem of the large rectangular sealing plane and has higher application value and practicability.
When the device works, the continuous rotation of the rotary motor is converted into the rectangular track feeding motion of the milling machine, and the milling machine only needs to do the vertical feeding motion and the rotary cutting motion of the cutter around the axis of the milling machine. Further, the longitudinal stroke unit of the milling machine is of a portal structure with adjustable width, the milling machine is fixed on the transition section through the cooperation of the longitudinal sliding block and the two longitudinal linear guide rails with adjustable lengths, the transition section is connected with the transverse sliding block, and the transverse sliding block reciprocates along the transverse linear guide rail on the portal frame. Under the drive of the push rod, the portal frame makes reciprocating linear motion along the longitudinal linear guide rail. The front end of the push rod is hinged with the transition section fixed on the transverse sliding block, and the rod body is arranged in the rotary support and can slide back and forth in the rotary support. The rotary support is connected with the worm wheel shaft, so that the rotary support is driven by the worm wheel to perform rotary motion, and the push rod is driven to move. Further, the worm gear reducer is adopted to reduce the driving moment of the motor, the machining width of the sealing surface is adjusted in a mode that the ball screw pushes the track locker, and the spring is adopted to ensure that the milling machine always moves along a rectangular track.
Based on the improvement of the structure, the processing efficiency of the large rectangular sealing plane can be effectively improved; meanwhile, the whole sealing surface can be machined by one-time clamping, and the machining quality is effectively ensured.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
fig. 1 is a schematic view of the overall structure of the processing apparatus of the present invention.
Fig. 2 is a schematic diagram of a swing unit according to the present invention.
Fig. 3 is a schematic diagram of a longitudinal stroke unit according to the present invention.
Fig. 4 is a schematic diagram of a lateral stroke unit in the present invention.
The marks in the figure: 1. longitudinal bottom plate, 2, longitudinal linear guide, 3, longitudinal slide, 4, portal frame, 5, transverse linear guide, 6, transition section, 7, transverse slide, 8, push rod, 9, milling machine, 10, spring, 11, rotary support, 12, rotary unit, 13, transverse travel unit, 14, longitudinal travel unit, 1201, rotary motor, 1202, rotary speed reducer, 1203, rotary fixing base, 1204, rotary coupling, 1205, rotary support assembly, 1206, worm, 1207, bottom plate, 1208, worm wheel, 1209, worm wheel fixing base, 1301, track locker, 1302, nut mount, 1303, ball nut, 1304, ball screw, 1305, limit support assembly, 1306, drive coupling, 1307, drive motor mount, 1308, drive speed reducer, 1309, drive motor.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification may be replaced by alternative features serving the same or equivalent purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
Example 1
As shown in the figure, the large rectangular sealing plane machining device of the embodiment comprises a portal frame, a longitudinal stroke unit, a transverse stroke unit, a rotation unit and a machining unit for machining a rectangular plane. In this embodiment, the processing unit adopts a milling machine.
In this embodiment, the portal frame includes crossbeam, support arm and is the U style of calligraphy, and the support arm is two and symmetry setting in the crossbeam both sides. Meanwhile, the number of the longitudinal stroke units is two, and the two support arms of the portal frame are respectively and movably connected with the longitudinal stroke units, namely the portal frame can move relative to the longitudinal stroke units.
As shown in the figure, the longitudinal stroke unit of the embodiment comprises a longitudinal bottom plate, a longitudinal linear guide rail, a longitudinal sliding block matched with the longitudinal linear guide rail and a limiting assembly. The longitudinal linear guide rail is arranged on the longitudinal bottom plate, and the longitudinal sliding block is arranged on the longitudinal linear guide rail; based on the cooperation of the longitudinal linear guide rail and the longitudinal sliding block, the longitudinal sliding block can move relative to the longitudinal linear guide rail. Meanwhile, the portal frame is connected with the longitudinal sliding block, so that the portal frame can move relative to the longitudinal travel unit.
In this embodiment, the number of the limiting assemblies in the longitudinal travel unit is two, the limiting assemblies in the longitudinal travel unit are disposed on the longitudinal linear guide rail, and the longitudinal sliding block is located between the limiting assemblies of the longitudinal travel unit. Based on this structure, spacing subassembly can play the spacing effect to the relative longitudinal linear guide rail travel distance of portal frame to satisfy the demand of milling machine to the longitudinal movement of different size rectangle sealing plane.
Meanwhile, the transverse travel unit comprises a transverse linear guide rail, a transverse sliding block matched with the transverse linear guide rail and a limiting assembly. The transverse linear guide rail is arranged on the portal frame and can provide support for the portal frame by means of the portal frame; the transverse sliding block is arranged on the transverse linear guide rail, so that the transverse sliding block can move relative to the transverse linear guide rail. Meanwhile, the limiting components in the transverse travel unit are arranged on the transverse linear guide rail, the limiting components in the transverse travel unit are a group, and the transverse sliding block is located between the limiting components of the transverse travel unit. Based on the structure, the limiting component of the transverse travel unit can limit the movement of the transverse sliding block relative to the transverse linear guide rail, so that the requirement of the milling machine on transverse movement of rectangular sealing planes with different sizes is met.
In addition, the gyration unit of this embodiment includes bottom plate, worm wheel fixing base, rotates supporting component, worm, gyration power component, worm wheel, rotation support, push rod, the spring that cooperates with the worm. The worm wheel fixing seat and the rotating support assembly are respectively arranged on the bottom plate, the worm is arranged on the rotating support assembly, the worm wheel is movably connected with the worm wheel fixing seat, and the worm wheel can rotate relative to the worm wheel fixing seat.
In this embodiment, the rotation support assembly includes a slewing bearing, the slewing bearing is disposed on the bottom plate, the slewing bearing is disposed on the slewing bearing, and the worm is disposed on the slewing bearing and can rotate relative to the slewing bearing. Simultaneously, rotate the support assembly at least two and equipartition on the bottom plate.
The rotary power assembly comprises a rotary fixing seat, a rotary motor, a rotary speed reducer and a rotary coupler, wherein the rotary fixing seat is used for providing support for the rotary motor; when the rotary power assembly works, the rotary motor drives the worm to rotate through the rotary speed reducer and the rotary coupler in sequence.
Simultaneously, the worm is meshed with the worm wheel, and the rotary support is connected with the worm wheel shaft; based on the structure, when the worm rotates relative to the rotation support assembly, the worm can drive the worm wheel to rotate relative to the worm wheel fixing seat, and then the rotation support is driven to rotate. The rotary support is fixedly connected with the worm wheel and is driven by the worm to rotate. The rotary support is provided with a through hole; one end of the push rod is hinged with the transverse sliding block, the other end of the push rod passes through the through hole of the rotary support, and the push rod can reciprocate relative to the through hole; meanwhile, the spring is arranged on the push rod and is positioned between the transverse sliding block and the rotary support. The spring is sleeved on the push rod, one end of the spring is contacted with the front end of the push rod, and the other end of the spring is contacted with the rotary support; the spring is always in a compressed state during the whole movement. Based on this structure, when the rotatory support drove the push rod and rotated, horizontal slider can play spacing effect, and the spring is then used for providing corresponding restoring force. Further, the spring of the present embodiment is also composed of multiple segments to accommodate different strokes.
Meanwhile, the embodiment further comprises a transition section. One end of the push rod connected with the transverse sliding block is connected with the milling machine through the transition section. Based on the design of structure for the milling machine of this application can follow rectangle feed motion orbit motion, and then realizes the processing to large-scale rectangle seal plane. In this embodiment, the front end of the push rod is connected to the transition section in a hinged manner, and the shaft is installed in the rotary support, so that the push rod can slide back and forth along the rotary support and can also perform rotary motion together with the rotary support. In addition, the length of the shaft of the push rod can be adjusted.
Further, the spacing subassembly of this embodiment includes track locker, driving motor seat, drive reduction gear, drive shaft coupling, ball nut, nut seat, spacing supporting component. Wherein, driving motor sets up on driving motor seat, and the nut seat links to each other with track locker, ball nut and nut seat swing joint, and ball nut sets up on ball, and driving motor's pivot loops through drive reduction gear, drive shaft coupling and ball link to each other. In this embodiment, spacing supporting component includes spacing support, second bearing, and the second bearing sets up on spacing support, and ball setting is on the second bearing and the second bearing can provide the support for ball. Based on the structure, the driving motor seat can provide support for the driving motor, and the driving motor drives the ball nut to rotate through the driving coupler and the ball screw in sequence; under the interaction of the two, the ball nut moves relative to the axial direction of the ball screw, and the ball nut is connected with the track locker through the nut seat, so that the relative position of the track locker is changed, and a corresponding adjusting effect is achieved. The track locking device on the longitudinal travel unit is arranged on the longitudinal linear guide rail, so that the limit of the moving position and distance of the longitudinal sliding block is realized; the track locker on the transverse travel unit is arranged on the transverse linear guide rail, so that the limit of the moving position and distance of the transverse sliding block is achieved. In addition, the driving motor seat in the limiting assembly of the transverse stroke unit is connected with the portal frame, and the driving motor seat of the transverse stroke unit is supported through the portal frame.
In the longitudinal travel unit, when the ball nut moves, the track locker connected with the ball nut through the nut seat moves relative to the longitudinal linear guide rail in the axial direction, so that the travel of the portal frame on the longitudinal linear guide rail is changed, and the longitudinal travel of the portal frame is adjusted. Similarly, in the transverse travel unit, when the ball nut moves, the track locker connected with the ball nut through the nut seat moves relative to the transverse linear guide rail in the axial direction, so that the travel of the portal frame on the transverse linear guide rail is changed, and the transverse travel of the portal frame is adjusted.
The processing device can convert continuous rotary motion of the motor into continuous rectangular feeding motion tracks of the milling machine; the vertical linear guide is fixedly connected to the vertical bottom plate, the vertical sliding blocks can freely slide along the vertical linear guide, the portal frame is fixed to the vertical sliding blocks on two sides, the horizontal linear guide is fixed to the portal frame, the horizontal sliding blocks can freely slide along the horizontal linear guide, the transition section is fixed to the horizontal sliding blocks, the milling machine is fixed to the transition section, the front end of the push rod is hinged to the transition section, the rod body of the push rod can freely slide in the rotary support, and the rotary support is fixedly connected with the worm wheel of the rotary unit.
Further, the longitudinal linear guide rail can be formed by splicing multiple sections, the length of the longitudinal linear guide rail is adjustable so as to adapt to different processing ranges, and the two longitudinal linear guide rails are installed in parallel and are symmetrical relative to the middle plane of the workpiece. In addition, the transverse linear guide rail can also be formed by splicing multiple sections, and the length of the transverse linear guide rail can be adjusted so as to adapt to different processing ranges.
When the device of the embodiment works, the bottom plate of the rotary unit is positioned on the workpiece, and the worm wheel shaft is positioned at the center of the workpiece. The working process is as follows: the rotary unit is driven by the rotary motor to drive the rotary support fixedly connected with the worm wheel shaft to do rotary motion, and the rotary support drives the push rod to move; the push rod and the rotary support are in rotary motion together, and on the one hand, the push rod is in linear reciprocating motion in the rotary support; under the pushing of the push rod, the transition section hinged with the push rod makes reciprocating linear motion along the transverse guide rail, and the portal frame makes reciprocating linear motion along the longitudinal linear guide rail; finally, a rectangular feeding motion track of the milling machine is formed.
Based on the design of structure, the device of this application is through the motion conversion, with the rotary motion of gyratory motor conversion rectangular feed motion of milling machine, will be circular motion to continuous rectangular track motion. In addition, based on the improvement of the structure and the matching of the longitudinal stroke unit and the transverse stroke unit, the processing requirements of rectangular sealing planes with different specifications can be met; the overall adaptability of the device can be greatly improved based on the splicing design of the longitudinal linear guide rail and the transverse linear guide rail and the design of the push rod with adjustable length. The longitudinal processing width of the rectangular sealing plane is adjusted as follows: the longitudinal processing width of the workpiece is adjusted through the longitudinal travel mechanism, during adjustment, the track locker is loosened, the driving motor drives the ball screw to rotate, the ball screw pushes the track locker to move forwards, and the track locker locks after the track locker is in place. The operation of the rectangular sealing plane transverse processing width adjustment is as follows: the transverse machining width of the workpiece is adjusted through the transverse travel mechanism, during adjustment, the track locker is loosened, the driving motor drives the ball screw to rotate, the ball screw pushes the track locker to move forwards, and the track locker is locked in place.
All of the features disclosed in this specification, except for mutually exclusive features, may be combined in any manner. Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (16)
1. The large rectangular sealing plane machining device is characterized by comprising a portal frame, a longitudinal travel unit, a transverse travel unit, a rotation unit and a machining unit for machining a rectangular plane;
the longitudinal travel units are in a group;
the portal frame is U-shaped and comprises a beam and supporting arms, the supporting arms are in a group and are symmetrically arranged on two sides of the beam, the portal frame is movably connected with the longitudinal travel unit through two supporting arms respectively, and the longitudinal travel unit can drive the portal frame to move along the direction perpendicular to the beam;
the longitudinal travel unit comprises a longitudinal bottom plate, longitudinal linear guide rails, longitudinal sliding blocks and limiting assemblies, wherein the longitudinal sliding blocks and the limiting assemblies are matched with the longitudinal linear guide rails, the longitudinal linear guide rails are arranged on the longitudinal bottom plate, the longitudinal sliding blocks are arranged on the longitudinal linear guide rails and can move relative to the longitudinal linear guide rails, the portal frame is connected with the longitudinal sliding blocks and can move relative to the longitudinal linear guide rails through the longitudinal sliding blocks, the limiting assemblies in the longitudinal travel unit are in a group, the limiting assemblies in the longitudinal travel unit are arranged on the longitudinal linear guide rails, the longitudinal sliding blocks are positioned between the limiting assemblies of the longitudinal travel unit, and the limiting assemblies of the longitudinal travel unit can limit the movement of the longitudinal sliding blocks relative to the longitudinal linear guide rails;
the transverse travel unit comprises transverse linear guide rails, transverse sliding blocks and limiting assemblies, wherein the transverse sliding blocks and the limiting assemblies are matched with the transverse linear guide rails, the transverse linear guide rails are arranged on the portal frame, the portal frame can provide support for the transverse linear guide rails, the transverse sliding blocks are arranged on the transverse linear guide rails and can move relative to the transverse linear guide rails, the limiting assemblies in the transverse travel unit are a group, the limiting assemblies in the transverse travel unit are arranged on the transverse linear guide rails, the transverse sliding blocks are positioned between the limiting assemblies of the transverse travel unit, and the limiting assemblies of the transverse travel unit can limit the movement of the transverse sliding blocks relative to the transverse linear guide rails;
the rotary unit comprises a bottom plate, a worm wheel fixing seat, a rotary supporting component, a worm, a rotary power component, a worm wheel matched with the worm, a rotary support, a push rod and a spring, wherein the worm wheel fixing seat and the rotary supporting component are respectively arranged on the bottom plate, the worm is arranged on the rotary supporting component and can rotate relative to the rotary supporting component, and the worm wheel is movably connected with the worm wheel fixing seat and can rotate relative to the worm wheel fixing seat; the rotary power assembly is connected with the worm and can drive the worm to rotate relative to the rotary support assembly, the worm is meshed with the worm wheel, the worm can drive the worm wheel to rotate relative to the worm wheel fixing seat when the worm rotates relative to the rotary support assembly, the rotary support is connected with the worm wheel, the worm wheel can drive the rotary support to rotate relative to the worm wheel fixing seat, and the rotary support is provided with a through hole; when the worm rotates relative to the rotating support assembly, the worm can drive the worm wheel to rotate relative to the worm wheel fixing seat, and then the rotating support is driven to rotate; one end of the push rod is hinged with the transverse sliding block, the other end of the push rod passes through the through hole of the rotary support and can move relative to the through hole, the spring is arranged on the push rod, and the spring is positioned between the transverse sliding block and the rotary support; in the whole movement process, the spring is always in a compressed state; when the rotary support drives the push rod to rotate, the transverse sliding block can play a limiting role, and the spring is used for providing corresponding restoring force;
the connection part of the push rod and the transverse sliding block is marked as a connection end, the processing unit is connected with the connection end, and the push rod can drive the processing unit to move along a rectangular feeding movement track;
when the device works, the bottom plate of the rotary unit is positioned on a workpiece, and the worm wheel shaft is positioned at the center of the workpiece;
when the device works, the rotary unit is driven by the rotary motor to drive the rotary support fixedly connected with the worm wheel shaft to do rotary motion, and the rotary support drives the push rod to move; the push rod and the rotary support are in rotary motion together, and on the one hand, the push rod is in linear reciprocating motion in the rotary support; under the pushing of the push rod, the processing unit connected with the push rod makes reciprocating linear motion along the transverse guide rail, and the portal frame makes reciprocating linear motion along the longitudinal linear guide rail; finally, a rectangular feeding motion track of the processing unit is formed.
2. The large rectangular sealing panel machining apparatus of claim 1, further comprising a transition section, wherein the pushrod is coupled to the machining unit through the transition section.
3. The large-scale rectangular sealing plane processing apparatus according to claim 2, wherein the front end of the push rod is connected to the transition section in a hinged manner, and the shaft is installed in the rotary support, so that the push rod can slide back and forth along the rotary support and can also perform a rotary motion together with the rotary support.
4. The large rectangular seal surface processing apparatus according to claim 1, wherein said longitudinal linear guide is formed by splicing a plurality of segments;
or the transverse linear guide rail is formed by splicing a plurality of sections.
5. The large-scale rectangular sealing plane machining device according to claim 1, wherein the rotary power assembly comprises a rotary fixing seat, a rotary motor, a rotary speed reducer and a rotary coupling, the rotary fixing seat is arranged on the bottom plate, the rotary motor is connected with the rotary fixing seat and can provide support for the rotary motor, the rotary motor is connected with the worm through the rotary speed reducer and the rotary coupling, and the rotary motor can drive the worm to rotate relative to the rotary support assembly.
6. The large rectangular seal surface processing apparatus of claim 1, wherein the number of said rotary support assemblies is at least two and evenly distributed on the base plate.
7. The large rectangular seal flat machining apparatus according to claim 1, wherein the rotation support assembly includes a swivel support provided on the base plate, a swivel bearing provided on the swivel support, and a worm provided on the swivel bearing and rotatable relative to the swivel bearing.
8. The large rectangular sealing panel machining apparatus according to claim 1, wherein the spring is composed of multiple segments.
9. The large rectangular sealing panel machining apparatus according to any one of claims 1 to 8, wherein the limit assembly includes a track lock.
10. The large-scale rectangular sealing plane processing device according to claim 9, wherein the limiting assembly further comprises a driving motor, a driving motor seat, a driving coupler, a ball screw, a ball nut and a nut seat, wherein the driving motor is arranged on the driving motor seat and can provide support for the driving motor, the nut seat is connected with the track locker, the ball nut is movably connected with the nut seat, the ball screw is matched with the ball nut and can drive the ball nut to move relatively when rotating, the driving motor is connected with the ball screw through the driving coupler, and the driving motor can drive the ball nut to move axially relative to the ball screw sequentially through the driving coupler and the ball screw so as to change the relative position of the track locker.
11. The large rectangular seal planar processing apparatus of claim 10, wherein the stop assembly further comprises a stop support, a second bearing disposed on the stop support, the ball screw disposed on the second bearing and the second bearing capable of providing support for the ball screw.
12. The large-scale rectangular sealing plane processing device according to claim 10, wherein the limiting assembly further comprises a driving speed reducer, the rotating shaft of the driving motor is connected with the ball screw through the driving speed reducer and the driving coupler in sequence, and the driving motor can drive the ball screw to rotate.
13. The large-sized rectangular sealing plane processing device according to claim 10, wherein in the longitudinal stroke unit, when the ball nut moves, the track locker connected with the ball nut through the nut seat moves along with the axial direction of the longitudinal linear guide rail, so that the stroke of the portal frame on the longitudinal linear guide rail is changed, and the adjustment of the longitudinal stroke of the portal frame is realized;
similarly, in the transverse travel unit, when the ball nut moves, the track locker connected with the ball nut through the nut seat moves relative to the transverse linear guide rail in the axial direction, so that the travel of the portal frame on the transverse linear guide rail is changed, and the transverse travel of the portal frame is adjusted.
14. The large-scale rectangular sealing plane processing device according to claim 1, wherein the drive motor mount in the limit assembly of the lateral stroke unit is connected to a gantry, and the gantry is capable of providing support for the drive motor mount of the lateral stroke unit.
15. The large-sized rectangular sealing plane processing apparatus according to claim 1, wherein the rotary motor and the driving motor are one of a servo motor and a stepping motor.
16. The large rectangular sealing plane machining device according to any one of claims 1 to 8 and 10 to 15, wherein the machining unit is a milling machine.
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