CN221455228U - Crane workpiece machining device - Google Patents

Abstract

The utility model provides a crane workpiece processing device which comprises a host machine, a first numerical control processing station, a second numerical control processing station and a third numerical control processing station, wherein the first numerical control processing station, the second numerical control processing station and the third numerical control processing station are arranged in a delta shape; the first numerical control machining station and the third numerical control machining station are respectively positioned at two sides of the second numerical control machining station. According to the crane workpiece processing device, three numerical control processing stations are designed, the processing of blanks with a large number of wheels, wheel shafts and the like and standard structure is completed, in the processing process, the mechanical arm is used for feeding and discharging the three numerical control processing stations, the workpiece production efficiency is improved, and the labor cost can be reduced.

Description

Crane workpiece machining device

Technical Field

The utility model relates to the field of crane production, in particular to a crane workpiece processing device which is used for processing blanks with a large number of wheels, wheel axles and the like and standard structure.

Background

With the rapid development of economy, the number of crane demands in various industries is gradually increasing, and most parts in the crane manufacturing process are of standard structures and are large in number, such as wheels, wheel shafts and the like in running mechanisms. When the workpieces are processed manually, the workpieces can be fed and discharged only by lifting the workpieces by using a crane, and the workpieces are manually adjusted and corrected in the processing and clamping processes, so that the labor cost is high, and the production efficiency is low.

The numerical control machine tool is short for numerical control machine tool, and is an automatic machine tool with a program control system. The control system is able to logically process a program defined by control codes or other symbolic instructions, and to decode it, expressed in coded numbers, and input to the numerical control device via the information carrier. The numerical control device sends out various control signals to control the action of the machine tool through operation processing, and parts are automatically machined according to the shape and the size required by the drawing. The numerical control machine tool well solves the problems of complex, precise, small batch and multiple kinds of part processing, is a flexible and high-efficiency automatic machine tool, represents the development direction of the modern machine tool control technology, and is a typical electromechanical integrated product.

In order to provide the production efficiency of the standard workpieces of the cranes, some large crane manufacturers also begin to utilize numerical control machine tools to produce standard workpieces such as wheels, wheel shafts and the like, but blanks are required to be processed into semi-finished products in the production process of the standard workpieces of the cranes, and then the semi-finished products are required to be processed by carrying the semi-finished products manually for many times, so that a complete set of processing stations are designed to realize the loading and unloading of the workpieces and the numerical control processing, the production efficiency of the workpieces can be greatly improved, the labor cost can be reduced, and the method has important significance for processing the workpieces of the cranes.

Disclosure of utility model

The utility model aims at overcoming the defects of the prior art, and provides a crane workpiece processing device.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The crane workpiece processing device comprises a host machine, a first numerical control processing station, a second numerical control processing station and a third numerical control processing station which are arranged in a delta shape, wherein the first numerical control processing station and the second numerical control processing station are used for processing blanks, and the third numerical control processing station is used for processing semi-finished workpieces; the first numerical control machining station and the third numerical control machining station are respectively positioned at two sides of the second numerical control machining station, and a gap between the first numerical control machining station and the third numerical control machining station is provided with a semi-finished product placement point to be machined, a mechanical arm, a blank placement area and a finished product area; the mechanical arm is positioned in the center of the gap, a to-be-processed semi-finished product placing point and a blank placing area are close to the third numerical control processing station, a finished product area is close to the first numerical control processing station, the finished product area and the blank placing area are positioned on the outer side of the mechanical arm, and the to-be-processed semi-finished product placing point is positioned on the inner side of the mechanical arm.

The crane workpiece processing device further comprises a sensing door, the sensing door is located at the outer sides of the finished product area and the blank placing area, and in the closed state of the sensing door, gaps between the first numerical control processing station and the third numerical control processing station are sealed to form a square-shaped sealing area.

The crane workpiece processing device also comprises a carrying trolley and an electromagnetic track arranged corresponding to the carrying trolley, and the carrying trolley walks along the electromagnetic track to carry the blank and the finished workpiece; and a laser scanner is arranged on the carrying trolley.

The grabbing end of the mechanical arm is provided with a claw, and a strain gauge and a photographing scanning camera are mounted on the claw.

The first numerical control machining station, the second numerical control machining station and the third numerical control machining station form a group of machining sleeve groups; the first numerical control machining station and the second numerical control machining station are single-axis numerical control machine tools, and the third numerical control machining station is double-axis numerical control machine tools; two adjacent two sets of processing sets share a third numerical control processing station.

Compared with the prior art, the crane workpiece processing device has the beneficial effects that the crane workpiece processing device is provided, the processing of blanks with a large number of wheels, wheel axles and the like and standard structure is completed by designing the three numerical control processing stations, and in the processing process, the mechanical arm is used for feeding and discharging the three numerical control processing stations, so that the workpiece production efficiency is improved, and the labor cost is reduced. In addition, be provided with the induction door, in robotic arm unloading in-process, if the induction door senses that someone gets into the processing region, robotic arm then can automatic stop work, greatly reduced the potential safety hazard.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of a numerical control machine tool with a first numerical control machining station and a second numerical control machining station.

Fig. 3 is a schematic partial cross-sectional view of a first and second numerically controlled machining station numerically controlled machine tool according to the present utility model.

Fig. 4 is a schematic structural view of a third numerical control machine tool of the present utility model.

Fig. 5 is a schematic structural view of the mechanical arm of the present utility model.

Fig. 6 is an enlarged schematic view of the jaw of the robot arm according to the present utility model.

Fig. 7 is a schematic structural view of the transporting carriage of the present utility model.

Fig. 8 is a schematic view of the structure of the placement point of the semi-finished product to be processed according to the present utility model.

FIG. 9 is a flow chart of the workpiece processing during use of the present utility model.

FIG. 10 is a process flow diagram of a first numerical control machining station during use of the present utility model.

FIG. 11 is a process flow diagram of a second numerically controlled processing station during use of the present utility model.

In the figure: 1. a host; 2. a first numerical control machining station; 3. a second numerically controlled machining station; 4. placing points of semi-finished products to be processed; 5. a third numerical control machining station; 6. a reference stage; 7. a carrying trolley; 8. a blank placement area; 9. a mechanical arm; 10. a finished product area; 11. a sensing door; 12. a motor; 13. a coupling; 14. a speed reducer; 15. a transmission belt; 16. a transmission main shaft; 17. a chuck; 18. controlling a hardware system; 19. a base; 20.360 DEG rotating structure; 21. a mechanical arm I section; 22. a mechanical arm II section; 23. a mechanical arm III section; 24. a claw; 25. a photographing scanning camera; 26. a strain gage; 27. a laser scanner; 28. a shaft I; 29. and a shaft II.

Detailed Description

The technical scheme of the utility model is further described in detail through the following specific embodiments.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. "mounting", "providing", "connecting" etc. may be by means conventional in the art, for example: integral arrangement, clamping installation, welding connection, bonding connection, bolt connection and the like. The specific meaning of the terms in the present utility model will be understood by those skilled in the art in specific cases, and suitable connection, arrangement or installation means will be selected in the prior art.

As shown in fig. 1-11, a crane workpiece processing device comprises a main machine 1, a first numerical control processing station 2, a second numerical control processing station 3 and a third numerical control processing station 5 which are arranged in a delta shape, wherein the first numerical control processing station 2 and the second numerical control processing station 3 are used for processing blanks, and the third numerical control processing station 5 is used for processing semi-finished workpieces; the first numerical control machining station 2 and the third numerical control machining station 5 are respectively positioned at two sides of the second numerical control machining station 3, and a gap between the first numerical control machining station 2 and the third numerical control machining station 5 is provided with a semi-finished product placement point 4 to be machined, a mechanical arm 9, a blank placement area 8, a finished product area 10 and a reference table 6; the mechanical arm 9 is located at the center of the gap, a to-be-processed semi-finished product placing point 4 and a blank placing area 8 are close to the third numerical control machining station 5, a finished product area is close to the first numerical control machining station 2, a finished product area 10 and a blank placing area are located on the outer side of the mechanical arm 9, and the to-be-processed semi-finished product placing point 4 is located on the inner side of the mechanical arm 9.

In the use process, a numerical control machine tool is respectively placed at the first numerical control machining station 2, the second numerical control machining station 3 and the third numerical control machining station 5 to machine a workpiece; the mechanical arm 9 is used for feeding and discharging of each numerical control machine tool; the semi-finished product placing point to be processed mainly comprises a telescopic bracket for placing the semi-finished product to be processed; the blank placing area 8 is used for placing blank workpieces, and the finished product area 10 is used for placing workpiece finished products; the reference table comprises a platform, so that the mechanical arm can conveniently find the workpiece after grabbing the workpiece.

In one embodiment, the crane workpiece processing device further comprises a sensing door 11, wherein the sensing door 11 is positioned outside the finished product area 10 and the blank placing area, and a gap between the first numerical control processing station 2 and the third numerical control processing station 5 is sealed in a closed state of the sensing door 11 to form a square-shaped sealing area; when the induction door senses that someone is approaching, the mechanical arm stops working, and the induction door is opened, so that people can conveniently approach, and potential safety hazards are greatly reduced.

In one embodiment, the crane workpiece processing device further comprises a carrying trolley 7 and an electromagnetic track arranged corresponding to the carrying trolley 7, wherein the carrying trolley 7 walks along the electromagnetic track to carry the blank and the finished workpiece; the carriage 7 is provided with a laser scanner 27.

In one embodiment, the gripping end of the mechanical arm 9 is provided with a claw 24, and a strain gauge 26 and a photographing scanning camera 25 are mounted on the claw 24.

In one embodiment, the first 2, second 3 and third 5 numerically controlled machining stations form a set of machining sets; the first numerical control machining station 2 and the second numerical control machining station 3 are single-axis numerical control machine tools, and the third numerical control machining station 5 is double-axis numerical control machine tools; referring to fig. 4, the biaxial numerical control machine tool includes a spindle i 28 and; shaft II 29; two adjacent two sets of processing sets share a third numerically controlled processing station 5.

All the devices involved in the present utility model include, for example: the numerical control machine tool, the mechanical arm, the carrying trolley, the semi-finished product placement point to be processed, the reference table, the sensing door and the like are all in the prior art, are not improved, and the structure and the control principle are not repeated.

The above embodiments may be combined with each other.

In the use process, the operation between the whole set of processing equipment is controlled by the host computer 1 through the PLC control system, the processing is completed to the blank through the logical series connection mode between each processing equipment, the numerical control machine tool structures of the first numerical control processing station 2 and the second numerical control processing station 3 are the same, the blank is mainly processed, the double-shaft numerical control machine tool is adopted by the third numerical control processing station 5 to mainly process the unprocessed part of the semi-finished product clamped by the clamping jaw of the mechanical arm, the double-shaft structure can simultaneously process two semi-finished product workpieces, when the mechanical arm 9 is feeding and discharging the numerical control machine tool, after the induction door 11 senses that a person enters a processing area, the mechanical arm 9 can stop feeding and discharging in order to ensure personal safety.

The numerical control machine tool adopted by the first numerical control machining station 2, the second numerical control machining station 3 and the third numerical control machining station 5 is of a traditional lathe structure, the schematic diagram of the numerical control machine tool is shown in fig. 2-4, the main internal structure of the numerical control machine tool comprises a motor 12, a coupler 13, a speed reducer 14, a driving belt 15, a transmission main shaft 16, a chuck 17, a tool holder, a tool magazine and the like, the chuck 17 is usually a three-jaw chuck 17, after the chuck 17 clamps a workpiece, a machining program is pre-programmed through a numerical control machine tool host machine 1, a numerical control system receives the program and then controls the machine tool to machine the workpiece, the motor 12 drives the chuck 17 to rotate through the transmission components such as the coupler 13, the speed reducer 14, the driving belt 15, the transmission main shaft 16 and the like, the tool magazine can store different tools, and the tool holder can move back and forth to machine different positions of the workpiece.

The mechanical arm 9 for grabbing materials is used for driving the arm rotating lifting mechanism, the arm telescopic mechanism and the like to grab and transport materials according to fixed procedures in a common mode of electric power, pneumatic and the like, and referring to fig. 5, the main structure comprises a control hardware system 18, a base 19, a 360-degree rotating structure 20, a mechanical arm I section 21, a mechanical arm II section 22, a mechanical arm III section 23, a clamping jaw 24, a photographing scanning camera 25 and the like, and the clamping jaw 24 can be three.

The photographing scanning camera 25 is fixed beside the clamping jaw 24 of the mechanical arm 9, the control hardware system 18 controls the mechanical arm 9 to rotate, stretch out and draw back, and controls the clamping jaw 24 to grab a workpiece, the host computer 1 controls the camera to photograph and the mechanical arm 9 to feed materials up and down to the numerical control machine through the PLC control system, the touch control integrated machine and the switch are arranged on a metal plate in front of the host computer 1, the shape of a blank workpiece is input into the touch control integrated machine, the camera photographs the workpiece in the blank placing area, then performs shape searching, and after searching and determining the measurement coordinates and the measurement angle of the blank, the control system controls the clamping jaw 24 to open to grab the workpiece. The clamping jaw 24 is provided with a strain gauge 26, as shown in fig. 5, when the clamping jaw 24 clamps a workpiece, the deformation of the strain gauge 26 can be used for detecting the force of each strain gauge 26 when clamping the workpiece, the size of the workpiece can be determined according to the three-point circle-fixing principle, after the size of the workpiece is determined, the data information can be uploaded to the host machine 1 of the numerical control machine, and the numerical control machine automatically clamps the workpiece according to the size of the workpiece, and selects a proper cutter.

Numerical control machining of materials is achieved through a mode of logic series connection among the station components, numerical control machining programs are pre-programmed in machining stations of each numerical control machine tool, the numerical control machine tool achieves loading and unloading of workpieces through sending loading and unloading signals to the mechanical arm 9, and the to-be-machined semi-finished product placing point 4 can be provided with an automatically telescopic supporting rod for supporting semi-finished product workpieces and facilitating grabbing of the semi-finished product workpieces by the mechanical arm 9.

The carrier 7 is responsible for carrying the blank and the finished product of processing, can adopt knapsack AGV carrier, its schematic diagram is as shown in FIG. 7, need not the driver in the course of working, utilize its route of travel of computer control, navigate through electromagnetic track, electromagnetic track pastes on the floor, be equipped with laser scanner 27 on the AGV carrier 7 in this processing station, after the blank processing, accessible laser scanning confirms data such as work piece size, and upload it in the computer, prepare for the use of follow-up finished product work piece.

When the machining device is used for machining blanks, blank workpieces can be placed on the blank placing table in sequence according to the feeding of the mechanical arm 9, and each blank workpiece is placed around a fixed point. Before the numerical control machining is performed on the workpiece, the first numerical control machining station 2 and the second numerical control machining station 3 send feeding signals to the mechanical arm 9, the workpiece is photographed and positioned through the photographing scanning camera 25, after the position of the workpiece is determined, the control system controls the three clamping jaws 24 of the mechanical arm 9 to grasp the workpiece, the mechanical arm 9 grasps the workpiece on the blank material placing table, due to the instability of the blank material placing table, the machining datum of the workpiece during machining on the numerical control machine tool can be uneven, therefore the workpiece needs to be found on the datum table 6 again before being sent to the numerical control machining station, the workpiece with the found datum is firstly placed into the first numerical control machining station 2 for machining through the rotation of the mechanical arm 9, the machine tool door of the numerical control machine tool is closed, then the workpiece is placed into the numerical control machine tool of the second numerical control machining station 3 for machining through the same method, and the machine tool door of the numerical control machine tool is closed.

After the machining is finished, the numerical control machine tool sends a blanking signal to the mechanical arm 9, the mechanical arm 9 grabs a semi-finished product piece by utilizing the clamping jaw 24 and then places the semi-finished product piece on the semi-finished product placing point 4 to be machined, a supporting rod of the semi-finished product placing point 4 to be machined stretches out to support the semi-finished product piece, an unprocessed surface of the piece is in contact with the supporting rod, then the mechanical arm 9 is used for feeding blanks to the numerical control machine tool of the first numerical control machining station 2, and a machine tool door of the numerical control machine tool is closed after feeding.

The three jaws 24 of the mechanical arm 9 grab the unprocessed part of the workpiece from below the semi-finished workpiece placement point, the telescopic rod is retracted, then the semi-finished workpiece is placed on the reference table 6 to find the processing reference again, after the reference is found, the mechanical arm 9 places the semi-finished workpiece into the double-shaft numerical control machine tool to process the unprocessed part of the workpiece through rotation and lifting, the double-shaft numerical control machine tool door is closed, the numerical control machine tool of the second numerical control processing station 3 sends a blanking signal to the mechanical arm 9, the mechanical arm 9 places the semi-finished workpiece in the numerical control machine tool on the workpiece placement point to be processed according to the same method, then the mechanical arm 9 shoots and positions the blank according to the same method, then the double-shaft numerical control machine tool sends a blanking signal to the mechanical arm 9, the double-shaft numerical control machine tool door is opened, the mechanical arm 9 takes out all the processed workpieces and places the workpieces into the finished product area 10 according to the sequence, then the mechanical arm 9 places the semi-finished workpiece into the double-shaft numerical control machine tool according to the same method to process the rest part, and repeats the procedure until all the blanks are processed.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.

Claims (5)

1. A crane workpiece processing device, characterized in that: the numerical control machining device comprises a main machine, a first numerical control machining station, a second numerical control machining station and a third numerical control machining station which are arranged in a delta shape, wherein the first numerical control machining station and the second numerical control machining station are used for machining blanks, and the third numerical control machining station is used for machining semi-finished workpieces; the first numerical control machining station and the third numerical control machining station are respectively positioned at two sides of the second numerical control machining station, and a gap between the first numerical control machining station and the third numerical control machining station is provided with a semi-finished product placement point to be machined, a mechanical arm, a blank placement area and a finished product area; the mechanical arm is positioned in the center of the gap, a to-be-processed semi-finished product placing point and a blank placing area are close to the third numerical control processing station, a finished product area is close to the first numerical control processing station, the finished product area and the blank placing area are positioned on the outer side of the mechanical arm, and the to-be-processed semi-finished product placing point is positioned on the inner side of the mechanical arm.

2. The crane workpiece processing apparatus as claimed in claim 1, wherein: the induction door is positioned at the outer sides of the finished product area and the blank placing area, and seals a gap between the first numerical control machining station and the third numerical control machining station in a closed state of the induction door to form a square-shaped sealing area.

3. The crane workpiece processing apparatus as claimed in claim 2, wherein: the device also comprises a carrying trolley and an electromagnetic rail arranged corresponding to the carrying trolley, wherein the carrying trolley walks along the electromagnetic rail to carry the blank and the finished workpiece; and a laser scanner is arranged on the carrying trolley.

4. A crane workpiece processing apparatus as claimed in claim 3, wherein: the grabbing end of the mechanical arm is provided with a claw, and a strain gauge and a photographing scanning camera are mounted on the claw.

5. The crane workpiece processing apparatus as claimed in claim 4, wherein: the first numerical control machining station, the second numerical control machining station and the third numerical control machining station form a group of machining sleeve groups; the first numerical control machining station and the second numerical control machining station are single-axis numerical control machine tools, and the third numerical control machining station is double-axis numerical control machine tools; two adjacent two sets of processing sets share a third numerical control processing station.