CN113909895A

CN113909895A - Material-adding and material-reducing double-station synchronous machining method and device for crankshaft type revolving body

Info

Publication number: CN113909895A
Application number: CN202111204133.7A
Authority: CN
Inventors: 杨钦文; 肖罡; 仪传明; 戴璐祎; 李时春; 刘小兰
Original assignee: Hunan University
Current assignee: Hunan University
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-01-11

Abstract

The invention discloses a material-adding and material-reducing double-station synchronous machining device for a crankshaft type revolving body, which comprises a fixed base, a first upright post, a material-adding module, a grinding material-reducing module and the like; the gantry crane beam can move up and down relative to the gantry crane column and can rotate relative to the inner base; the rotating platform is positioned above the inner base and can rotate relative to the inner base, and the material increasing module and the material grinding and reducing module can synchronously and horizontally move relative to a gantry crane beam; at least two first stand columns are respectively arranged on the outer sides of two end parts of the workbench and fixed above the rotating platform, and the workbench can incline relative to the first stand columns. The invention has the advantages of compact structure and the like.

Description

Material-adding and material-reducing double-station synchronous machining method and device for crankshaft type revolving body

Technical Field

The invention relates to the field of desktop type laser processing equipment, in particular to a material adding and reducing double-station synchronous processing method and device for a crankshaft type revolving body.

Background

In traditional laser processing equipment, carry out increase material processing earlier, subtract material processing again, increase and decrease material processing can not accomplish simultaneously, need go up unloading operation and relocation again, though there is partial increase and decrease material equipment complex at present, but there is the interference problem between each station, leads to increase and decrease material equipment complex to have certain limitation.

With the rapid development of the manufacturing industry in China, the customization demand of novel mechanical equipment is increasing day by day, and the structural integration and structural complexity degree of various parts are continuously improved. Meanwhile, in the aspect of processing high-performance complex parts, various requirements such as customization, high precision, high efficiency, low cost, low energy consumption, integration and integration are correspondingly provided. This provides a broad platform for development and technological improvement for additive/subtractive composite manufacturing techniques.

In order to further improve the processing precision and the surface quality of the additive forming part, a grinding processing link is required to be arranged in the material reducing process of the additive/material reducing composite manufacturing equipment. Moreover, a large amount of abrasive dust is generated during grinding, and under the condition that the sealing performance of the transmission system is insufficient, key transmission components such as a ball screw and a guide rod of the equipment are easy to accumulate abrasive dust and are seriously worn (at the moment, the abrasive dust acts as abrasive particles), so that the subsequent working precision of the equipment and the service life of the transmission system of the equipment are seriously influenced.

The existing desktop type increasing/decreasing composite manufacturing equipment lacks the consideration of protecting the inert gas in the laser material increasing process. At present, a large proportion of high-performance complex parts are all made of metal materials, and the metal materials have relatively high requirements on oxidation resistance of a specific gas environment in the process of laser additive rapid forming. Therefore, when the workpiece raw material is made of a metal material, the metal material is easily oxidized due to the lack of the protection of inert gas in the laser material increasing process, so that the forming quality of the metal material is influenced, and the method is narrow in application range and not suitable for processing the metal material. In addition, when the material is ground and cut, the splashed metal material may cause a safety hazard to an operator. The additive processing equipment of the existing additive/subtractive composite manufacturing equipment is only used for forming and manufacturing a specific or appointed material, and the consideration of composite material parts is lacked. Particularly, the material reducing processing link is really developed comprehensively with diversity and diversification. Generally, the material reducing part is only used for cutting (mainly milling) one surface in the material forming process. For part of complex parts, the parts need to be further ground after material increasing/reducing processing, but the material reducing function is not complete, so that the flexibility of the material reducing processing is lower under special working conditions. Particularly, when the parts are irregular in shape and inconsistent in height, the material increasing and decreasing processing cannot be synchronously performed, the material increasing processing and the material decreasing processing need to be separately performed, the time and the process of repeated positioning are increased, and the production efficiency is low. In summary, the existing material increasing/decreasing composite manufacturing technology and equipment design still have many defects.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a material increasing and decreasing double-station synchronous machining method and device for a crankshaft type revolving body.

In order to solve the technical problems, the invention adopts the following technical scheme:

a material-adding and material-reducing double-station synchronous machining device for a crankshaft type revolving body comprises a fixed base, a first stand column, a gantry crane, a material increasing module, a rotating platform, a material grinding and reducing module, a workbench and an electric hydraulic push rod; the fixed base comprises an inner base, an upper base and a lower base, the inner base and the upper base are positioned on the lower base, the upper base is sleeved outside the inner base, a fourth driving mechanism is arranged in the fixed base, the upper base rotates relative to the inner base under the driving of the fourth driving mechanism, the gantry crane comprises a gantry crane cross beam and a gantry crane upright, and the gantry crane upright is positioned at two ends of the gantry crane cross beam and is fixed on the upper base; a first driving mechanism for driving the gantry crane beam to move up and down is arranged in the gantry crane upright; the rotating platform is arranged on the inner base, and a second driving mechanism for driving the rotating platform to rotate is arranged in the inner base; the outer sides of at least two end parts of the workbench are respectively provided with a first upright post, and the first upright posts are fixed above the rotating platform; a fifth driving mechanism for driving the end part of the workbench to move up and down is arranged in the first upright post, the fifth driving mechanism is connected with the end part of the workbench through an electric hydraulic push rod, and the different end parts of the workbench do not move up or down with unequal displacement, so that the workbench inclines; the material increasing module and the grinding material reducing module are arranged below a gantry crane beam, a third driving mechanism is arranged in the gantry crane beam and used for driving the material increasing module and the grinding material reducing module to synchronously and horizontally move relative to the gantry crane beam, and the material increasing module and the grinding material reducing module respectively perform material increasing processing and material reducing processing on a workpiece on the workbench.

As a further improvement of the above technical solution:

the second driving mechanism comprises a connecting bearing and a second driving motor, the inner base is provided with a rotary hole, and a circular boss is arranged on the outer side of the periphery of the rotary hole;

the rotary platform comprises an upper circular platform cover and a lower rotary rod vertically connected below the upper circular platform cover, the upper circular platform cover is arranged on the circular platform, the lower rotary rod is inserted into the rotary hole, the inner ring of the connecting bearing is sleeved on the outer wall of the lower rotary rod, the outer ring of the connecting bearing is connected and matched with the side wall of the rotary hole, and the second driving motor drives the lower rotary rod to rotate so as to drive the upper circular platform cover to rotate.

The upper circular platform cover is characterized in that an upper half groove is circumferentially arranged on the lower bottom surface of the upper circular platform cover, a lower half groove is circumferentially arranged on the upper surface of the circular boss, the upper half groove and the lower half groove are matched to form a sliding track, and a plurality of sliding balls are arranged in the sliding track.

The inner side of the bottom of the upper base is provided with an inner gear, the fourth driving mechanism comprises a fourth driving motor and a fourth driving gear connected to the output end of the fourth driving motor, and the fourth driving gear and the inner gear are in meshing transmission.

The third driving mechanism comprises a third driving motor, a third supporting seat, a third ball screw and a coupler, the two third ball screws with opposite rotating directions are horizontally arranged and are connected through the coupler, the third driving motor is used for driving the third ball screw to rotate, the third supporting seat is supported at the end part of the third ball screw, and the material adding module and the material grinding and reducing module are respectively connected onto the two third ball screws.

The device comprises a ball pin seat, one end of the electric hydraulic push rod is connected with one end of the workbench, a ball pin is arranged at the other end of the electric hydraulic push rod, the ball pin is connected with the ball pin seat, the other end of the ball pin seat is connected with a fifth driving mechanism, the fifth driving mechanism comprises a fifth driving motor, a fifth supporting seat, a fifth ball screw and a fifth screw connecting piece, the fifth ball screw is vertically arranged, the fifth driving motor is used for driving the fifth ball screw to rotate, the fifth supporting seat is supported at two ends of the fifth ball screw, and the fifth screw connecting piece is sleeved outside the fifth ball screw; the first stand is close to workstation one side and has been seted up the front groove, fifth lead screw connecting piece passes the front groove and is connected with the ball pin base, fifth ball and front groove dislocation set.

The grinding material reducing module comprises a grinding wheel upright post, a small grinding wheel, a grinding wheel motor, a grinding wheel swing shaft and a grinding wheel swing post, wherein the small grinding wheel is located outside the grinding wheel upright post and used for milling or grinding the side face of a workpiece, the grinding wheel motor, the grinding wheel swing shaft and the grinding wheel swing post are located in the grinding wheel upright post, the grinding wheel motor drives the horizontally arranged grinding wheel swing shaft to rotate so as to drive the small grinding wheel to swing, and the upper end and the lower end of the grinding wheel swing post are respectively connected with the grinding wheel swing shaft and the small grinding wheel.

The grinding material cutting module further comprises two conical gears which are in meshed transmission with each other, one of the conical gears is fixed on the grinding wheel swinging shaft, and the grinding wheel motor drives one of the conical gears to rotate so as to drive the grinding wheel swinging shaft to rotate.

The bottom of the grinding wheel upright post is provided with a wedge-shaped groove.

And two ends of the grinding wheel swinging shaft are fixed on the inner side wall of the grinding wheel upright post.

The grinding wheel upright column side wall is provided with a storage opening convenient to maintain and a storage door, and the storage door is used for opening and closing the storage opening.

The vibration material disk piece includes the laser head, send a first to send the raw materials to the laser head below to melt, the laser emission direction perpendicular to workstation upper surface of laser head just is contained angle alpha with the direction of sending a first, satisfies 0 < alpha < 90.

As a general inventive concept, the present invention further provides a processing method of the material-adding and material-reducing double-station synchronous processing device for a crankshaft revolving body, comprising the following steps:

placing a workpiece on a workbench, starting a material increase module to emit laser to generate a molten pool on the surface of the workpiece, sending raw materials to the position below the material increase module, melting the raw materials at the molten pool under the action of the laser and solidifying the raw materials on the workpiece, starting a grinding material reduction module to synchronously reduce the material of the side surface of the solidified workpiece, changing the relative positions of the workpiece on the workbench, the material increase module and the grinding material reduction module, moving the material increase module upwards after a preset thickness layer is reached, and starting material increase processing of the next thickness layer;

the change work piece on the workstation and the relative position of increase material module, grinding subtract material module includes the following mode:

mode A: starting a fifth driving mechanism to drive the workbench to incline;

mode B: starting a third driving mechanism to drive the material increasing module and the material grinding and reducing module to synchronously and horizontally move;

mode C: starting a second driving mechanism to drive the rotary platform to rotate;

mode D: opening a fourth driving mechanism to drive the upper base to rotate so as to drive the gantry crane beam to rotate;

the material reducing machining specifically comprises: rotating the small grinding wheel of the grinding material reduction module until the small grinding wheel is attached to the side face of the workpiece to grind the side face of the workpiece;

the specific steps of moving the additive module upwards comprise: and opening a first driving mechanism in the vertical column of the gantry crane to drive the beam of the gantry crane to move upwards.

Compared with the prior art, the invention has the advantages that:

1. according to the invention, through the inclined motion of the workbench, the vertical motion of the gantry crane beam, the rotary motion of the upper base drives the rotary motion of the gantry crane beam, the rotary motion of the rotary platform drives the workbench to rotate, and the synchronous horizontal motion of the material increase module and the material decrease module meets the requirement of multi-directional processing of complex parts, so that various complex parts with different forms of curved surfaces can be processed, especially crankshaft type revolving bodies, the rotation of the grinding wheel is realized through the swinging of the grinding wheel shaft of the grinding material decrease module, the part side wall fitting at any angle can be realized under the rotation of the grinding material decrease module, the constraint of complex structural parts on the traditional grinding process is removed, and the production flexibility of equipment is further improved.

2. The invention designs the air-tight protective cover (namely the outer cover) with proper size performance, pays attention to the integral air tightness and protection performance of the equipment, ensures the integral air tightness of the device while completely not influencing the stability of a transmission system, is suitable for forming and processing various material parts capable of being processed by laser additive materials including metal materials, has extremely strong work adaptability aiming at diversified processing objects, and greatly expands the working service range of the equipment. The outer cover is isolated from the external environment, and can form a protective gas environment in a negative pressure state, so that the safety of operators is protected while the high-temperature oxidation of materials is prevented.

3. This device is for once installation increase and decrease material synchronous processing, compares with traditional multistation substep installation processing mode, and this equipment has saved dismantlement many times and installation work piece to and steps such as artifical transport work piece, greatly shortened operating time, improved work efficiency, reduced time cost and cost of labor.

4. The device adopts a desktop design, has a small integral structure and limited occupied space, can save a large amount of position space in work, and simultaneously has higher portability and flexibility, thereby realizing greater popularization in production.

5. During the operation of the device, the working moving path of each processing part is shorter, so that the whole processing flow is shortened, the production period of the workpiece is further shortened, and the production efficiency is improved. Under the processing advantages of short flow and short period, the energy consumed by the equipment for producing a single part is synchronously reduced along with the reduction of the production period, so that the energy consumption period in the part production process is correspondingly shortened, and the requirements of low energy consumption and low emission are indirectly met.

6. The material increasing module and the material reducing module are modularized devices, so that the device is simple and convenient to replace and maintain. The device adopts the paraxial wire feeding laser melting additive manufacturing technology (the additive module is provided with a wire feeding head and a laser head, and the wire feeding head and the laser head are provided with included angles) to be compounded with the grinding wheel grinding technology (small grinding wheels for grinding the additive module and the like), the production flexibility is high, and the device has extremely high conformity with the mixed flow assembly line which is widely applied in the current manufacturing industry.

Drawings

FIG. 1 is a schematic diagram of the structure of the apparatus of the present invention.

FIG. 2 is a schematic view of the device with the cover removed according to the present invention.

Fig. 3 is a schematic view of the connection between the first driving mechanism and the gantry crane beam.

Fig. 4 is a schematic structural diagram of a first driving mechanism in a gantry crane upright.

Fig. 5 is a schematic structural diagram of a third driving mechanism and an additive material module and a grinding and material reducing module.

Fig. 6 is a schematic structural diagram of a gantry crane beam.

Fig. 7 is a schematic structural diagram of an additive module.

Fig. 8 is a schematic structural view of the ground material module.

FIG. 9 is a schematic diagram of the grinding material reducing module with the grinding wheel post removed.

Fig. 10 is a schematic view of the assembled structure of the fixing base and the fixing support.

FIG. 11 is a schematic view of the structure of the fixed support and the parts thereon.

Fig. 12 is a side view of the stationary support and the parts thereon (with the column cover of the first column removed).

Fig. 13 is a top view of the stationary support base and the components thereon.

Fig. 14 is a sectional view taken along line a-a of fig. 13.

Fig. 15 is a schematic view of the connection of the electro-hydraulic push rod and the fifth screw connection and the like.

Fig. 16 is a schematic structural view of the table.

Fig. 17 is a schematic structural view of the stationary base and the rotary platform.

FIG. 18 is a top view of a stationary base and a rotating platform

Fig. 19 is a sectional view taken along line C-C of fig. 18.

Fig. 20 is a partial enlarged view (with parts removed) at D in fig. 19.

Fig. 21 is a schematic structural view of the second drive mechanism and the fourth drive mechanism.

Fig. 22 is a schematic structural view of the inner base.

Figure 23 is a cross-sectional view of the inner base.

Fig. 24 is a schematic structural view of the upper base.

Fig. 25 is a schematic structural view of the lower base.

Fig. 26 is a top view of the lower base.

Fig. 27 is a cross-sectional view of the lower base.

Fig. 28 is a schematic structural diagram of an apparatus according to another embodiment.

Fig. 29 is a schematic structural diagram of a typical part which can be processed at one time according to the invention.

The reference numerals in the figures denote:

1. a fixed base; 101. an inner base; 1011. rotating the hole; 1012. a circular boss; 10121. a lower half tank; 1013. a support ring; 103. an upper base; 1031. a roller support; 1032. an internal gear; 1033. an upper cover; 104. a lower base; 1041. an outer flange; 10411. a sliding track; 105. a sliding roller; 2. a housing; 3. a first upright post; 4. a gantry crane; 41. a gantry crane beam; 411. a beam cover; 412. a mounting cavity; 413. a support plate; 414. a strip-shaped groove; 42. a gantry crane upright post; 5. a work table; 51. an extension rod; 6. fixing the supporting seat; 7. an additive module; 71. a laser head; 72. feeding a filament head; 73. laser joint; 74. a material increase slide block; 75. laser upright post; 8. grinding and cutting the material module; 81. a small grinding wheel; 82. a grinding wheel column; 821. a wedge-shaped groove; 84. a column joint; 85. a grinding wheel motor; 86. a grinding wheel swing shaft; 87. a grinding wheel swing column; 88. a bevel gear; 89. a material reducing slide block; 9. rotating the platform; 901. a lower swing lever; 902. an upper round table cover; 9021. an upper half groove; 10. a sliding ball; 11. a second drive mechanism; 111. connecting a bearing; 112. a bearing baffle; 113. a driven wheel; 114. a driving wheel; 115. a second drive motor; 17. a first drive mechanism; 171. a first drive motor; 172. a first support base; 173. a first ball screw; 174. a first lead screw connection; 18. a third drive mechanism; 181. a third drive motor; 182. a third support seat; 183. a third ball screw; 184. a coupling; 19. a fifth drive mechanism; 191. a fifth drive motor; 192. a fifth supporting seat; 193. a fifth ball screw; 194. a fifth lead screw connector; 20. an electric hydraulic push rod; 201. a ball stud; (ii) a 23. A wire feeding module; 24. a fourth drive mechanism; 241. a fourth drive motor; 242. a fourth drive gear; 26. a material fixing mechanism; 261. a small roller; 262. a small roller support; 28. a ball pin seat.

Detailed Description

The invention will be described in further detail below with reference to the drawings and specific examples. Unless otherwise specified, the instruments or materials employed in the present invention are commercially available.

Example 1:

as shown in fig. 1 to 28, the material-adding and material-reducing double-station synchronous processing device for the crankshaft type revolving body comprises a fixed base 1, a first upright post 3, a gantry crane 4, a material-adding module 7, a rotating platform 9, a grinding and material-reducing module 8, a workbench 5 and an electric hydraulic push rod 20; the fixed base 1 comprises an inner base 101, an upper base 103 and a lower base 104, the inner base 101 and the upper base 103 are positioned on the lower base 104, the upper base 103 is sleeved outside the inner base 101, a fourth driving mechanism 24 is arranged in the fixed base 1, the upper base 103 rotates relative to the inner base 101 under the driving of the fourth driving mechanism 24, the gantry crane 4 comprises a gantry crane cross beam 41 and a gantry crane upright post 42, and the gantry crane upright post 42 is positioned at two ends of the gantry crane cross beam 41 and is fixed on the upper base 103; a first driving mechanism 17 for driving the gantry crane beam 41 to move up and down is arranged in the gantry crane upright post 42; the rotary platform 9 is arranged on the inner base 101, and a second driving mechanism 11 for driving the rotary platform 9 to rotate is arranged in the inner base 101; the outer sides of at least two end parts of the workbench 5 are respectively and correspondingly provided with a first upright post 3, and the first upright posts 3 are fixed above the rotary platform 9; a fifth driving mechanism 19 for driving the end part of the workbench 5 to move up and down is arranged in the first upright post 3, the fifth driving mechanism 19 is connected with the end part of the workbench 5 through an electric hydraulic push rod 20, and the displacement of different end parts of the workbench 5 moving up or down is unequal, so that the workbench 5 is inclined; the material increasing module 7 and the material reducing grinding module 8 are arranged below the gantry crane beam 41, a third driving mechanism 18 is arranged in the gantry crane beam 41, the third driving mechanism 18 is used for driving the material increasing module 7 and the material reducing grinding module 8 to synchronously and horizontally move relative to the gantry crane beam 41, and the material increasing module 7 and the material reducing grinding module 8 respectively perform material increasing processing and material reducing processing on a workpiece on the workbench 5.

According to the invention, the worktable 5 is driven to rotate by the rotation motion of the rotary platform 9 through the inclination motion of the worktable 5, the gantry crane beam 41 is driven to rotate by the rotation motion of the upper base 103 so as to drive the material increasing module 7 and the grinding material reducing module 8 to rotate, the material increasing module 7 and the grinding material reducing module 8 are rotated to any direction of a workpiece, and the material increasing module 7 and the grinding material reducing module 8 synchronously and horizontally move in a matching manner, so that the requirement of multi-direction processing of complex parts is met, and various complex parts with different-form curved surfaces, especially crankshafts can be processed. The material increasing module 7 and the material reducing grinding module 8 on the gantry crane beam 41 can move along the gantry crane beam 41, so that the degree of freedom of the working module is greatly widened, and the production flexibility of the whole equipment is improved.

As shown in fig. 3 and 4, a first driving mechanism 17 is installed in the gantry crane column 42, and the first driving mechanism 17 is used for driving the gantry crane beam 41 to move up and down. The first driving mechanism 17 includes a first driving motor 171, a first supporting base 172, a first ball screw 173, a first screw connecting piece 174, the first ball screw 173 is vertically disposed, the first driving motor 171 is used for driving the first ball screw 173 to rotate, the first supporting base 172 is supported at the end of the first ball screw 173, the first screw connecting piece 174 is sleeved outside the first ball screw 173, and the first screw connecting piece 174 extends from inside the gantry crane column 42 to outside the gantry crane column 42 and is connected with the end of the gantry crane beam 41.

The movement of the gantry beam 41 in the Z-axis direction is controlled by a first ball screw 173 in the gantry column 42. The gantry crane beam 41 drives the material adding module 7 and the grinding material reducing module 8 to move up and down in the Z-axis direction under the fixing and driving action of the first lead screw connectors 174 on the two sides. In this embodiment, the first driving mechanism 17 is located at the upper half of the gantry crane column 42, and the first driving motor 171 is a servo motor and drives two first ball screws 173, respectively. The upper half part of a gantry crane upright post 42 is provided with an upright post inner hole, the first driving mechanism 17 is positioned in the upright post inner hole, one side of the gantry crane upright post 42, which is close to a gantry crane beam 41, is provided with a front groove for a first screw rod connecting piece 174 to pass through, the front groove is communicated with the upright post inner hole, and the front groove and a first ball screw rod 173 are arranged in a staggered mode, so that abrasive dust is prevented from directly entering the front groove to influence the transmission of the first driving mechanism 17. The column bore is divided into two sections by a horizontally disposed partition, one section accommodating the first drive motor 171 and the other section accommodating other important parts of the first drive mechanism 17.

As shown in fig. 5, a third driving mechanism 18 is arranged in the gantry crane beam 41, and the additive material module 7 and the grinding and material reducing module 8 are mounted at the lower part of the gantry crane beam 41 and synchronously horizontally move relative to the gantry crane beam 41 under the driving of the third driving mechanism 18.

The third driving mechanism 18 includes a third driving motor 181, a third supporting seat 182, a third ball screw 183, a third screw nut and a coupling 184, the two third ball screws 183 with opposite rotation directions are horizontally disposed and connected through the coupling 184, the third driving motor 181 is used for driving the third ball screws 183 to rotate, the third supporting seat 182 is supported at the end of the third ball screws 183, the two third screw nuts are respectively sleeved outside the third ball screws 183, and the third screw nuts are respectively connected with the material adding module 7 and the material grinding and reducing module 8.

As shown in fig. 7, a hollow installation cavity 412 is arranged in the gantry crane beam 41, a support plate 413 is vertically arranged in the installation cavity 412, the support plate 413 is used for supporting the coupler 184, the gantry crane beam 41 is provided with a beam cover 411 at one side far away from the material increase module 7 and the grinding material decrease module 8, one side close to the material increase module 7 and the grinding material decrease module 8 is provided with a strip-shaped groove 414, the strip-shaped groove 414 and the third ball screw 183 are arranged in a staggered manner, and abrasion chips are prevented from directly entering the installation cavity 412 and being adhered to the third ball screw 183 to affect transmission.

The additive material module 7 and the grinding material reducing module 8 share the same third driving mechanism 18 of the same gantry crane beam 41. When the third driving motor 181 is activated, the additive material module 7 and the grinding and material reducing module 8 approach or move away from each other, and move towards or away from each other as a whole. Each third driving mechanism 18 includes a third ball screw 183, the material adding module 7 and the grinding material reducing module 8 are respectively assembled on the third ball screws 183 with opposite rotation directions, the third ball screws 183 include two horizontal screws, the coupling 184 is an elastic coupling, the material adding module 7 and the grinding material reducing module 8 are respectively mounted on the two horizontal screws through third screw nuts, and the rotation directions of the two third screw nuts are opposite (the rotation directions of the third screw nuts are the same as those of the respective horizontal screws). The third driving motor 181 drives one of the horizontal lead screws to rotate, and transmits the torque to the other horizontal lead screw through the elastic coupling. When the third driving motor 181 rotates forward, the two third screw nuts on the horizontal screw gradually approach; when the third driving motor 181 rotates reversely, the two third screw nuts on the horizontal screw gradually move away. The gantry crane beam 41 is connected with the horizontal lead screw through a third driving motor 181 in a transmission manner, and two third lead screw nuts which are in reverse fit are controlled to move in opposite directions, so that the linkage effect of the material increase module 7 and the material grinding and reduction module 8 is realized.

In other embodiments, two third driving motors 181 are used to drive the additive material module 7 and the grinding material reducing module 8 on the same gantry crane beam 41, the third ball screws 183 of the two third driving mechanisms 18 have opposite rotation directions and do not have couplings 184, and the movement of the additive material module 7 or the grinding material reducing module 8 in the horizontal direction is controlled by the third driving motors 181 in the gantry crane beam 41. Two groups of third driving mechanisms 18 are arranged in one gantry crane beam 41 and used for controlling the material adding module 7 and the grinding material reducing module 8 respectively, and compared with the method that the same third driving mechanism 18 is adopted to drive the material adding module 7 and the grinding material reducing module 8 simultaneously, the two groups of third driving mechanisms 18 reduce the bearing capacity of each third ball screw 183 and enhance the positioning accuracy and stability in the process of working.

As shown in fig. 7, the additive module 7 includes a laser head 71, a wire feeding head 72, a laser joint 73, an additive slider 74, and a laser column 75, the additive slider 74 is connected and matched with a third screw nut on a third ball screw 183, the laser joint 73 is connected between the additive slider 74 and the laser column 75, and the laser head 71 and the wire feeding head 72 are located below the laser column 75. In other embodiments, the additive slider 74 is provided with a through hole, the inner wall of the through hole is provided with threads, the through hole is sleeved on the third ball screw 183, and the additive slider 74 passes through the gantry crane beam 41 from the third ball screw 183 to be connected with the laser joint 73.

The material fixing mechanism 26 is arranged above the feeding port of the wire feeding head 72, the material fixing mechanism 26 comprises a small roller bracket 262 and two small rollers 261, and the two small rollers 261 are supported on the small roller bracket 262 and used for positioning the raw material wires. And a round groove with the size equivalent to that of the wire is arranged in the middle of the small roller 261 of the sizing mechanism 26, so that the accuracy is enhanced.

When the laser emitter emits laser to generate a molten pool on the surface of a workpiece, the wire feeding module 23 synchronously feeds wires, and materials are fed into the molten pool, so that the processing efficiency is improved, and the synchronous wire feeding during material increase processing is realized. A small roller 261 is arranged on the wire feeding head 72, a round groove equivalent to wires is arranged in the middle of the small roller 261, accuracy is enhanced, and wire feeding holes for raw wires to pass through are formed in the upper portion of the wire feeding head 72 below the two small rollers 261.

According to the invention, through the circular motion executed by the gantry crane beam 41, the rotating motion of the rotating platform 9 drives the workbench 5 to rotate, the tilting motion of the workbench 5 and the reasonable matching of the angle alpha adjustment of the laser head 71 and the wire feeding head 72 in the material adding module 7, the material adding module 7 and the grinding material reducing module 8 horizontally move on the gantry crane beam 41 (the two modules can execute synchronous linkage and independent motion respectively, and the relative motion mode is very flexible), and the real-time synchronous processing of two material adding and material reducing stations (the two stations keep the distance of a half revolving body rotation period, and do not need additional station adjustment) of a complex structural member can be effectively realized. The synchronous processing mode can flexibly and efficiently finish high-precision material reduction processing of the inner side surface and the outer side surface of a complex structural member, strictly controls the height of the mass center of the whole equipment to improve the stability under the reasonable motion matching and transmission arrangement design of independent control of multiple degrees of freedom, basically realizes gapless fusion of two stations, saves a large amount of working hours and energy consumption required by station conversion, further shortens the processing flow and the production period, and highlights the advantages of short flow and near-net forming of the synchronous composite processing method of multi-station integration.

As shown in fig. 8 and 9, the grinding material reducing module 8 includes a small grinding wheel 81, a grinding wheel upright 82, an upright joint 84, a grinding wheel swing shaft 86, a grinding wheel swing column 87, two bevel gears 88 and a material reducing slide block 89 which are meshed with each other for transmission, the material reducing slide block 89 is connected with a third ball screw 183, the upper end of the upright joint 84 is connected with the material reducing slide block 89, the lower end of the upright joint 84 is connected with the grinding wheel upright 82, a grinding wheel motor 85 is coaxial with one of the bevel gears 88, the other bevel gear 88 is fixedly connected with the grinding wheel upright 82 through the grinding wheel swing shaft 86 which is transversely arranged, the grinding wheel swing shaft 86 is vertically connected with the grinding wheel swing column 87, and the lower end of the grinding wheel swing column 87 is connected with the small grinding wheel 81, so that the grinding wheel swing shaft 86 is driven to realize the swing of the small grinding wheel 81, thereby enhancing the milling precision of the curved surface to meet the angle of the side surface of the workpiece for grinding processing.

In other embodiments, the material reducing sliding block 89 is provided with a through hole, the inner wall of the through hole is provided with threads, the through hole is sleeved outside the third ball screw 183, and the material reducing sliding block 89 passes through the gantry crane beam 41 from the third ball screw 183 to be connected with the column joint 84. The bottom of the grinding wheel column 82 is provided with a wedge-shaped groove 821, which not only ensures the rotation of the small grinding wheel 81, but also plays a certain sealing role.

The laser upright column 75 and the grinding wheel upright column 82 are in modular design, and are convenient to install, maintain and replace.

As shown in fig. 10 to 16, the device further includes a ball pin seat 24, one end of the electric hydraulic push rod 20 is connected with one end of the workbench 5, the other end is provided with a ball pin 201, the ball pin 201 is connected with one end of the ball pin seat 28 in a matching manner, and the other end of the ball pin seat 28 is connected with the fifth driving mechanism 19.

As shown in fig. 16, at least two ends of the table 5 are provided with extension rods 51, and the extension rods 51 are connected to the rod ends of the electro-hydraulic push rods 20. In this embodiment, four first columns 3 are included, a fifth driving mechanism 19 for driving four end portions of the working table 5 is respectively arranged in each first column 3, the fifth driving mechanism 19 independently drives the extending rods 51 corresponding to the working table 5, the working table 5 is inclined at different angles by moving different extending rods 51 at different distances in the height direction, and the extending rods 51 are cylindrical and are convenient to match with the push rod of the electric hydraulic push rod 20. In other embodiments, the worktable 5 may be provided with different numbers of the extension rods 51 to achieve different inclination angles according to the complexity of the parts.

In this embodiment, be fixed in rotary platform 9 through a fixed bolster 6 on, first stand 3 bottom is connected fixedly with fixed bolster 6, and 5 intervals on fixed bolster 6 of workstation set up, prevent rotary platform 9 size undersize on the one hand, are not enough to place a plurality of first stands 3 and workstation 5, have broken through the restriction of rotary platform 9 size, and on the other hand is convenient for wholly replace not equidimension first stand 3 and workstation 5.

As shown in fig. 12, the fifth driving mechanism 19 includes a fifth driving motor 191, a fifth supporting seat 192, a fifth ball screw 193 and a fifth screw connecting member 194, the fifth ball screw 193 is vertically disposed, the fifth driving motor 191 is used for driving the fifth ball screw 193 to rotate, the fifth supporting seat 192 is supported at two ends of the fifth ball screw 193, the fifth screw connecting member 194 is sleeved on the fifth ball screw 193, and the fifth screw connecting member 194 extends from the first vertical column 3 to the outside of the first vertical column 3 and is connected to the ball pin seat 28.

In this embodiment, the first column 3 has a column front groove on one side close to the working table 5, the column front groove is used for the fifth screw rod connecting piece 194 to pass through, the column front groove is communicated with the inner hole of the first column 3, and the column front groove and the fifth ball screw rod 193 are arranged in a staggered manner, so as to prevent the grinding dust from affecting the transmission of the fifth driving mechanism 19.

In this embodiment, a ball pin 201 is disposed at a side of the fixed end of the electric hydraulic push rod 20 close to the fifth screw rod connecting member 194, and a ball pin seat 28 matched with the ball pin 201 is disposed at the fixed end of the fifth screw rod connecting member 194 close to the electric hydraulic push rod 20.

When a revolving body part, especially a bent pipe revolving body part is manufactured, after the fifth driving mechanism 19 is driven to incline the workbench 5, the actual revolving central axis line can deviate from the preset central axis, the workbench 5 is pushed by the electric hydraulic push rod 20, and the position of the workbench 5 is finely adjusted, so that the actual central axis line coincides with the preset central axis line (the working center and the machining center coincide after the inclination is ensured).

The movement of each end of the table 5 in the Z-axis direction is controlled by the fifth ball screw 193 in the first column 3, and the tilt movement of the table 5 is realized by the difference in the movement distance of the different ends in the Z-axis direction. The fixing and driving action of the fifth screw rod connecting piece 194 drives each end part of the workbench 5 to move up and down in the Z-axis direction. In this embodiment, the fifth driving motor 191 is a servo motor and drives the fifth ball screw 193. An inner hole is formed in the first upright post 3, the fifth driving mechanism 19 is located in the inner hole, a front groove for the fifth screw rod connecting piece 194 to pass through is formed in one side, close to the workbench 5, of the first upright post 3, the front groove is communicated with the inner hole, the front groove and the fifth ball screw rod 193 are arranged in a staggered mode, and grinding dust is prevented from directly entering the front groove to affect transmission of the fifth driving mechanism 19. The bore is divided into two parts by a horizontally disposed partition plate, one part accommodating the fifth drive motor 191 and the other part accommodating other important parts of the fifth drive mechanism 19.

As shown in fig. 17 to 25, the upper base 103 is annular, an area surrounded by the inner base 101, the upper base 103 and the lower base 104 is a receiving space, an inner gear 1032 is disposed at an inner side of a bottom of the upper base 103, the inner gear 1032 and the fourth driving mechanism 24 are located in the receiving space, the fourth driving mechanism 24 includes a fourth driving motor 241 and a fourth driving gear 242 connected to an output end of the fourth driving motor 241, the fourth driving gear 242 is driven by the fourth driving motor 241, and the fourth driving gear 242 and the inner gear 1032 are engaged for transmission, so as to realize a rotation motion of the upper base 103 relative to the lower base 104.

As shown in fig. 25-27, an outer flange 1041 protruding upward is provided at the outer circumference of the lower base 104, and a sliding rail 10411 is provided on the inner sidewall of the outer flange 1041.

As shown in fig. 20 and 24, a roller support 1031 is disposed on an outer side wall of the upper base 103, the roller support 1031 is used for supporting the slide roller 105, the slide roller 105 slides on the slide rail 10411, an upper cover 1033 is disposed on an upper portion of the upper base 103, the upper cover 1033 is disposed on the outer flange 1041, and the slide roller 105 and the slide rail 10411 are separated from the outside, so as to prevent the wear debris from entering the slide rail 10411.

As shown in fig. 19-21, the second driving mechanism 11 includes a connecting bearing 111 and a second driving motor 115, a rotation hole 1011 is formed in the middle of the inner base 101 and penetrates through the upper surface of the inner base 101, a circular boss 1012 is formed on the upper portion of the circumferential outer side of the rotation hole 1011, as shown in fig. 22-23, a support ring 1013 is formed on the lower surface of the inner base 101, the support ring 1013 is supported on the upper surface of the lower base 104 and separates the fourth driving mechanism 24 from the internal transmission parts of the second driving mechanism 11, in this embodiment, the support ring 1013 is formed with a support hole for supporting and fixing the second driving motor 115.

The rotary platform 9 comprises an upper circular truncated cone cover 902 and a lower rotary rod 901 vertically connected below the upper circular truncated cone cover 902, the upper circular truncated cone cover 902 is covered on the circular truncated cone 1012, the lower rotary rod 901 is inserted into the rotary hole 1011, the inner ring of the connecting bearing 111 is sleeved on the outer wall of the lower rotary rod 901, the outer ring of the connecting bearing 111 is connected and matched with the side wall of the rotary hole 1011, and the second driving motor 115 drives the lower rotary rod 901 to rotate so as to drive the upper circular truncated cone cover 902 to rotate.

The processing space above the rotary platform 9 and the transmission space below the inner base 101 are sealed and separated in a matching mode of insertion type cross dislocation of the upper circular platform cover 902 and the circular boss 1012, abnormal abrasion of precision transmission parts caused by infiltration and accumulation of various chips generated in processing is effectively avoided through the sealing design of a transmission system which does not interfere the movement of system parts, and further the processing precision and the effective service life of the equipment in service life are ensured. The driving wheel 114 and the driven wheel 113 of the driving part of the upper circular truncated cone cover 902 are in transmission fit by adopting bevel gears, and the transmission precision and controllability are higher.

In this embodiment, the rotating platform 9 is disposed at the center of the inner base 101, the driven wheel 113, the driving wheel 114, and the second driving motor 115 are mounted below the fixed base 1, the driven wheel 113 is a disk-shaped bevel gear, the driving wheel 114 is a bevel gear, and the second driving motor 115 is a servo motor, and the purpose of controlling the rotating platform 9 to rotate is achieved through meshing transmission between the servo motor and the bevel gear.

In this embodiment, the bearing baffle 112 is provided between the connecting bearing 111 and the driven wheel 113 on the lower swing lever 901 of the rotary platform 9, and the bearing baffle 112 is fixed to the inner base 101.

An upper half groove 9021 is circumferentially arranged on the lower bottom surface of the upper circular truncated cone cover 902, a lower half groove 10121 is circumferentially arranged on the upper surface of the circular boss 1012, the upper half groove 9021 and the lower half groove 10121 are matched to form a rolling rail, and a plurality of sliding balls 10 are arranged in the rolling rail. The relative rotation of the upper circular truncated cone cover 902 and the circular truncated cone 1012 realizes low motion resistance fit by sliding the sliding balls 10 in the rolling track. In this embodiment, the inner circle side of the rolling rail is slightly lower than the outer circle side, the rolling rail is engaged with the sliding balls 10, rolling friction is formed between the circular boss 1012 and the upper circular platform cover 902, friction force is reduced, energy consumption is reduced, accuracy is improved, the machining space above the rotary platform 9 is isolated from the transmission space below the rotary platform 9 due to the design, grinding dust cannot enter the transmission space, and sealing performance is greatly improved.

As shown in fig. 1, the device further comprises an outer cover 2, wherein the outer cover 2 is fixed on the fixed base 1 and separates the workbench 5, the grinding material reducing module 8, the material increasing module 7 and the gantry crane 4 from the outside. In this embodiment, unable adjustment base 1 top cover is equipped with dustcoat 2, has seted up on dustcoat 2 and has put the thing mouth (not shown in the figure), puts and installs the thing door of putting that can close and open the thing mouth on putting the thing mouth. In this embodiment, dustcoat 2 is the translucent cover, is convenient for observe the behavior of core unit, and on the other hand, dustcoat 2 is used for sealed protection core unit, and operational environment and external environment in isolated equipment improve processingquality and operating personnel security.

The outer cover 2 is provided with an air inlet and an air outlet for vacuumizing or introducing protective gas into the outer cover 2. In this embodiment, the air inlet and the air outlet are respectively and oppositely disposed on the sidewall of the housing 2 and respectively disposed near the upper portion and the lower portion of the housing 2. Generally, inert gas or protective gas such as carbon dioxide is heavier than air, an air inlet is arranged at the lower part, an air outlet is arranged at the upper part, slow air inlet is kept during the processing, and the inside of the outer cover 2 is in a negative high-pressure state.

The wire feeding module 23 is arranged above the gantry crane beam 41, the wire feeding module 23 comprises a feeding roller, two ends of the feeding roller are supported on the gantry crane upright post 42, raw wire materials are wound on the feeding roller in working, and the raw wire materials are synchronously conveyed to the material increasing module 7 according to the processing progress.

The invention discloses a processing method of a material-adding and material-reducing double-station synchronous processing device of a crankshaft revolving body, which comprises the following steps of:

placing a workpiece on a workbench 5, starting a material increase module 7 to emit laser to generate a molten pool on the surface of the workpiece, sending raw materials to the position below the material increase module 7, melting the raw materials at the molten pool under the action of the laser and solidifying the raw materials on the workpiece, starting a grinding material reduction module 8 to synchronously reduce the material of the side surface of the solidified workpiece, changing the relative positions of the workpiece on the workbench 5, the material increase module 7 and the grinding material reduction module 8, moving the material increase module 7 upwards after a preset thickness layer is reached, and starting material increase processing of the next thickness layer;

changing the relative positions of the workpiece on the workbench 5 and the additive material module 7 and the grinding and material reducing module 8 comprises the following modes:

mode A: the fifth driving mechanism 19 is started to drive the workbench 5 to incline;

mode B: starting a third driving mechanism 18 to drive the material increasing module 7 and the material reducing grinding module 8 to synchronously move horizontally;

mode C: the second driving mechanism 11 is started to drive the rotary platform 9 to rotate;

mode D: the fourth driving mechanism 24 is started to drive the upper base 103 to rotate so as to drive the gantry crane beam 41 to rotate;

the material reducing processing specifically comprises: rotating the small grinding wheel 81 of the grinding material cutting module 8 until the small grinding wheel is attached to the side surface of the workpiece to grind the side surface of the workpiece;

the specific steps of moving additive module 7 upward include: and opening the first driving mechanism 17 in the gantry crane upright post 42 to drive the gantry crane beam 41 to move upwards.

The invention can process the crankshaft revolving body at one time, even tube parts and components containing non-equal radian curved surfaces, and the like, and the structure schematic diagram of a typical part is shown in fig. 29, fig. 29(a) is the structure schematic diagram of the typical part, fig. 29(c) is the front view of the typical part, and fig. 29(c) is the side view of the typical part.

Example 2

As shown in fig. 28, the apparatus of the present embodiment is substantially the same as that of embodiment 1 except that:

the number of the gantry crane cross beams 41 in this embodiment is two, the material increase module 7 and the material grinding and reduction module 8 are respectively driven by two independent sixth driving mechanisms 18, and two first driving mechanisms 17 are arranged in the gantry crane upright column 42 and are respectively used for driving the gantry crane cross beams 41 to move up and down.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.

Claims

1. The utility model provides a synchronous processingequipment in increase and decrease material duplex position of bent axle class solid of revolution which characterized in that: the device comprises a fixed base (1), a first upright post (3), a gantry crane (4), a material increasing module (7), a rotating platform (9), a grinding material reducing module (8), a workbench (5) and an electric hydraulic push rod (20);

the fixed base (1) comprises an inner base (101), an upper base (103) and a lower base (104), the inner base (101) and the upper base (103) are positioned on the lower base (104), the upper base (103) is sleeved on the outer side of the inner base (101), a fourth driving mechanism (24) is arranged in the fixed base (1), and the upper base (103) rotates relative to the inner base (101) under the driving of the fourth driving mechanism (24);

the gantry crane (4) comprises a gantry crane beam (41) and gantry crane columns (42), wherein the gantry crane columns (42) are positioned at two ends of the gantry crane beam (41) and fixed on the upper base (103); a first driving mechanism (17) for driving the gantry crane beam (41) to move up and down is arranged in the gantry crane upright column (42);

the rotary platform (9) is arranged on an inner base (101), and a second driving mechanism (11) for driving the rotary platform (9) to rotate is arranged in the inner base (101);

the outer sides of at least two end parts of the workbench (5) are respectively provided with the first upright posts (3), and the first upright posts (3) are fixed above the rotating platform (9); a fifth driving mechanism (19) for driving the end part of the workbench (5) to move up and down is arranged in the first upright post (3), the fifth driving mechanism (19) is connected with the end part of the workbench (5) through an electric hydraulic push rod (20), and the displacement of the different end parts of the workbench (5) moving upwards or downwards is unequal, so that the workbench (5) is inclined;

the material increasing module (7) and the grinding material reducing module (8) are arranged below a gantry crane beam (41), a third driving mechanism (18) is arranged in the gantry crane beam (41), the third driving mechanism (18) is used for driving the material increasing module (7) and the grinding material reducing module (8) to synchronously and horizontally move relative to the gantry crane beam (41), and the material increasing module (7) and the grinding material reducing module (8) respectively perform material increasing processing and material reducing processing on workpieces on the workbench (5).

2. The material-increasing and material-reducing double-station synchronous processing device according to claim 1, characterized in that: the second driving mechanism (11) comprises a connecting bearing (111) and a second driving motor (115), the inner base (101) is provided with a rotary hole (1011) penetrating through the upper surface and the lower surface of the inner base (101), and a circular boss (1012) is arranged above the circumferential outer side of the rotary hole (1011);

the rotary platform (9) comprises an upper circular platform cover (902) and a lower rotary rod (901) vertically connected below the upper circular platform cover (902), the upper circular platform cover (902) is covered on a circular boss (1012), the lower rotary rod (901) is inserted into a rotary hole (1011), the outer wall of the lower rotary rod (901) is sleeved with the inner ring of a connecting bearing (111), the outer ring of the connecting bearing (111) is connected and matched with the side wall of the rotary hole (1011), and the second driving motor (115) drives the lower rotary rod (901) to rotate so as to drive the upper circular platform cover (902) to rotate.

3. The material-increasing and material-reducing double-station synchronous processing device according to claim 2, characterized in that: go up bottom surface circumference under round platform lid (902) and be equipped with half groove (9021) first, round boss (1012) upper surface circumference is equipped with half groove (10121) down, half groove (9021) first cooperatees with half groove (10121) down and constitutes the slip track, be equipped with a plurality of slip balls (10) in the slip track.

4. The material-increasing and material-reducing double-station synchronous processing device according to claim 1, characterized in that: an internal gear (1032) is arranged on the inner side of the bottom of the upper base (103), the fourth driving mechanism (24) comprises a fourth driving motor (241) and a fourth driving gear (242) connected to the output end of the fourth driving motor (241), and the fourth driving gear (242) and the internal gear (1032) are in meshing transmission.

5. The material-increasing and material-reducing double-station synchronous processing device according to any one of claims 1 to 4, characterized in that: the third driving mechanism (18) comprises a third driving motor (181), a third supporting seat (182), a third ball screw (183) and a coupler (184), the two third ball screws (183) with opposite rotating directions are horizontally arranged and are connected through the coupler (184), the third driving motor (181) is used for driving the third ball screws (183) to rotate, the third supporting seat (182) is supported at the end part of the third ball screws (183), and the material adding module (7) and the material grinding and reducing module (8) are respectively connected to the two third ball screws (183).

6. The material-increasing and material-reducing double-station synchronous processing device according to any one of claims 1 to 4, characterized in that: the device further comprises a ball pin seat (28), one end of the electric hydraulic push rod (20) is connected with one end of the workbench (5), a ball pin (201) is arranged at the other end of the electric hydraulic push rod, the ball pin (201) is connected with the ball pin seat (28), and the other end of the ball pin seat (28) is connected with a fifth driving mechanism (19).

7. The material-increasing and material-reducing double-station synchronous processing device according to claim 6, wherein: the fifth driving mechanism (19) comprises a fifth driving motor (191), a fifth supporting seat (192), a fifth ball screw (193) and a fifth screw connecting piece (194), the fifth ball screw (193) is vertically arranged, the fifth driving motor (191) is used for driving the fifth ball screw (193) to rotate, the fifth supporting seat (192) is supported at two ends of the fifth ball screw (193), and the fifth screw connecting piece (194) is sleeved outside the fifth ball screw (193); the first upright post (3) is provided with a front groove at one side close to the workbench (5), the fifth screw rod connecting piece (194) penetrates through the front groove to be connected with the ball pin base (28), and the fifth ball screw rod (193) and the front groove are arranged in a staggered mode.

8. The material-increasing and material-reducing double-station synchronous processing device according to any one of claims 1 to 4, characterized in that: the grinding material reducing module (8) comprises a grinding wheel upright post (82), a small grinding wheel (81) which is positioned outside the grinding wheel upright post (82) and used for milling or grinding the side face of a workpiece, a grinding wheel motor (85), a grinding wheel swing shaft (86) and a grinding wheel swing column (87) which are positioned in the grinding wheel upright post (82), wherein the grinding wheel motor (85) drives the grinding wheel swing shaft (86) horizontally arranged to rotate so as to drive the small grinding wheel (81) to swing, and the upper end and the lower end of the grinding wheel swing column (87) are respectively connected with the grinding wheel swing shaft (86) and the small grinding wheel (81).

9. The material-increasing and material-reducing double-station synchronous processing device according to any one of claims 1 to 4, characterized in that: the vibration material disk module (7) includes laser head (71), send a head (72) to send raw materials to laser head (71) below and melt, the laser emission direction perpendicular to workstation (5) upper surface of laser head (71) just is contained angle alpha with the direction of sending a silk of sending a head (72), satisfies 0 < alpha < 90.

10. A machining method of the material-adding and material-reducing double-station synchronous machining device for the crankshaft revolving body according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:

placing a workpiece on a workbench (5), starting a material increase module (7) to emit laser to generate a molten pool on the surface of the workpiece, sending raw materials to the position below the material increase module (7), melting the raw materials at the molten pool under the action of the laser and solidifying the molten materials on the workpiece, starting a grinding material reduction module (8) to synchronously reduce the side surface of the solidified workpiece, changing the relative positions of the workpiece on the workbench (5), the material increase module (7) and the grinding material reduction module (8), moving the material increase module (7) upwards after a preset thickness layer is reached, and starting material increase processing of the next thickness layer;

the relative positions of the workpiece on the workbench (5) and the additive module (7) and the grinding material reducing module (8) are changed in the following modes:

mode A: a fifth driving mechanism (19) is started to drive the workbench (5) to incline;

mode B: starting a third driving mechanism (18) to drive the material increasing module (7) and the material grinding and reducing module (8) to synchronously and horizontally move;

mode C: a second driving mechanism (11) is started to drive the rotating platform (9) to rotate;

mode D: a fourth driving mechanism (24) is started to drive the upper base (103) to rotate so as to drive the gantry crane beam (41) to rotate;

the material reducing machining specifically comprises: rotating a small grinding wheel (81) of the grinding material cutting module (8) until the small grinding wheel is attached to the side face of the workpiece to grind the side face of the workpiece;

the specific step of moving the additive module (7) upwards comprises: a first driving mechanism (17) in a gantry crane upright post (42) is started to drive a gantry crane beam (41) to move upwards.