A shearing device for producing railway freight car door panels

Abstract

The present invention discloses a shearing device for producing railway freight car door panels, comprising a first shearing machine, wherein a second shearing machine is installed in the same straight line direction as the first shearing machine, a first manipulator for grabbing a workpiece is installed on one side of the first shearing machine, a second manipulator for grabbing the workpiece is installed on the same side of the second shearing machine, a positioning component is installed between the first manipulator and the second manipulator, and grabbing components are installed at the ends of the first manipulator and the second manipulator; the freight car door panels are distributed sheared by the first shearing machine and the second shearing machine, and the workpieces are positioned again by the positioning component in the middle, thereby ensuring the processing accuracy of the freight car door panels, and at the same time, standard customized shearing machines and cutters are used to reduce maintenance costs; the workpieces can be automatically sheared by the first manipulator, the second manipulator and the grabbing component, the automation degree is high, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of automated shearing, and in particular to a shearing device for producing railway freight car door panels. Background Art

[0002] After the railway freight car door panels are formed, the excess material around them needs to be removed. The equipment and tools used in the traditional shearing process are all non-standard customized. The freight car door panels are sheared and formed at one time. Since the freight car door panels are of different sizes, different sizes of freight car door panels need to be sheared with different equipment, which is expensive and has poor versatility. The price and loss of the tools make its production and maintenance costs high. Moreover, the degree of automation of the traditional shearing process is very low. Loading and unloading are done manually, which has high work intensity and safety hazards. The large amount of and heavy manual operations make the production efficiency very low. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a shearing device for producing railway freight car door panels with low production cost, high degree of automation, high production efficiency, high quality of molded products and simple operation.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] A shearing device for producing railway freight car door panels comprises a loading and positioning platform, a reversing positioning platform, a first shearing machine and a second shearing machine, wherein the loading and positioning platform and the reversing positioning platform are arranged at intervals, the first shearing machine and the second shearing machine are arranged at intervals and are located on the same side of the loading and positioning platform and the reversing positioning platform, a first manipulator for grabbing the freight car door panel on the loading and positioning platform to the first shearing machine for shearing a pair of opposite sides and grabbing the freight car door panel to the reversing positioning platform is provided between the loading and positioning platform and a second manipulator for grabbing the freight car door panel on the reversing positioning platform to the second shearing machine for shearing another pair of opposite sides is provided on the side of the reversing positioning platform.

[0006] Preferably, the loading positioning platform and the reversing positioning platform both include a horizontal adjustment plate, a platform, a first positioning plate, a second positioning plate, a positioning square hole and an insert. A platform is placed on each of the two horizontal adjustment plates. The first positioning plate and the second positioning plate are symmetrically arranged perpendicular to each other. A group of positioning square holes are formed on the first positioning plate and the second positioning plate. Inserts for positioning the workpiece are installed in the positioning square holes.

[0007] Preferably, guide strips for guiding are installed on the sides of the first positioning plate and the second positioning plate, and a fine-tuning knob for displacing the first positioning plate and the second positioning plate along the guiding direction of the guide strips is installed on the platform.

[0008] Preferably, a nut for adjusting the horizontal balance of the platform is installed on the horizontal adjustment plate.

[0009] Preferably, the ends of the first manipulator and the second manipulator are both equipped with grabbing components.

[0010] Preferably, the grabbing assembly comprises a first bracket, a substrate, a guide sleeve, a guide column, a fastener, an electropermanent magnet, a spring and a guide pin. The first bracket is installed at the end of the first manipulator and the second manipulator. The other side of the first bracket is installed with a substrate, a guide sleeve is installed on the substrate, a guide column with a threaded head is inserted into the guide sleeve, a fastener is installed at the end of the guide column away from the head, an electropermanent magnet is installed on the head of the guide column, a spring is installed between the substrate and the electropermanent magnet, and a guide pin matching the first bracket is also installed on the substrate.

[0011] Preferably, the electropermanent magnet is configured as a vacuum chuck.

[0012] Preferably, the first bracket is configured as a second bracket.

[0013] Preferably, a sensor for detecting the presence or absence of a workpiece is mounted on the electropermanent magnet.

[0014] Preferably, the first bracket is detachably connected to the base plate.

[0015] Compared with the prior art, the advantages of the present invention are: the truck door panel is sheared in steps by the first shearing machine and the second shearing machine, and the workpiece is positioned twice by the loading positioning platform and the reversing positioning platform in the middle, thereby ensuring the processing accuracy of the truck door panel. At the same time, the use of standard customized shearing machines and cutting tools reduces production and maintenance costs; the workpiece can be automatically sheared by the first manipulator, the second manipulator and the grabbing assembly, with a high degree of automation and improved production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a stereogram of the overall structure provided by the present invention;

[0017] Figure 2 It is a stereoscopic diagram of the loading positioning platform and the reversing positioning platform provided by the present invention;

[0018] Figure 3 is a three-dimensional diagram of a first positioning plate and a second positioning plate provided by the present invention;

[0019] Figure 4 is a cross-sectional view of a grab assembly provided by the present invention;

[0020] Figure 5 is a three-dimensional diagram of the vacuum suction cup provided by the present invention;

[0021] Figure 6 It is a three-dimensional diagram of the second bracket provided by the present invention.

[0022] The numbers in the figure represent: 1. loading positioning platform; 11. horizontal adjustment plate; 12. platform; 13. first positioning plate; 14. second positioning plate; 15. positioning square hole; 16. insert; 17. guide strip; 18. fine-tuning knob; 2. reversing positioning platform; 3. first shearing machine; 4. second shearing machine; 5. first manipulator; 6. second manipulator; 7. grabbing assembly; 71. first bracket; 711. second bracket; 72. base plate; 73. guide sleeve; 74. guide column; 75. fastener; 76. electropermanent magnet; 761. vacuum suction cup; 762. sensor; 77. spring; 78. guide pin. DETAILED DESCRIPTION

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] Figures 1 to 6An embodiment of the shearing device for producing railway freight car door panels of the present invention is shown, comprising a loading and positioning platform 1, a reversing positioning platform 2, a first shearing machine 3 and a second shearing machine 4, the loading and positioning platform 1 and the reversing positioning platform 2 are arranged at intervals, the first shearing machine 3 and the second shearing machine 4 are arranged at intervals and are located on the same side of the loading and positioning platform 1 and the reversing positioning platform 2, a first manipulator 5 for grabbing the freight car door panel on the loading and positioning platform 1 to the first shearing machine 3 for a pair of opposite side shearing and grabbing the freight car door panel to the reversing positioning platform 2 is provided between the loading and positioning platform 1 and the reversing positioning platform 2, and a second manipulator 6 for grabbing the freight car door panel on the reversing positioning platform 2 to the second shearing machine 4 for another pair of opposite side shearing is provided on the side of the reversing positioning platform 2. The workpiece is rectangular in shape. The grabbing assembly 7 on the first manipulator 5 grabs the workpiece, and the first manipulator 5 transports the workpiece to the first shearing machine 3 to shear the two pairs of sides of the workpiece. During the shearing process, the grabbing assembly 7 still keeps the workpiece in a clamping state, and then the first manipulator 5 clamps the sheared workpiece to the reversing positioning platform 2, and the reversing positioning platform 2 positions the sheared workpiece. The grabbing assembly 7 on the second manipulator 6 clamps the sheared workpiece, and the second manipulator 6 transports it to the second shearing machine 4 for shearing. The second shearing machine 4 shears the other two pairs of sides, and the grabbing assembly 7 still keeps the gripping state during the shearing process. The first shearing machine 3 and the second shearing machine 4 are used to shear the truck door panel in steps, and the workpiece is positioned twice by the feeding positioning platform 1 and the reversing positioning platform 2 in the middle, so as to ensure the processing accuracy of the truck door panel. At the same time, the standard customized shearing machine and tool are used to reduce the production and maintenance costs; the first manipulator 5, the second manipulator 6 and the grabbing assembly 7 can automatically shear the workpiece, with a high degree of automation and improved production efficiency.

[0025] Preferably, the loading positioning platform 1 and the reversing positioning platform 2 both include a horizontal adjustment plate 11, a platform 12, a first positioning plate 13, a second positioning plate 14, a positioning square hole 15 and an insert 16. A platform 12 is placed on each of the two horizontal adjustment plates 11. The first positioning plate 13 and the second positioning plate 14 are symmetrically arranged perpendicular to each other on the platform 12. A group of positioning square holes 15 are formed on the first positioning plate 13 and the second positioning plate 14. The positioning square holes 15 are equipped with inserts 16 for positioning the workpiece. The inserts 16 are placed in the corresponding positioning square holes 15 on the first positioning plate 13 and the second positioning plate 14 according to the size of the workpiece, and the workpiece is preliminarily positioned by the inserts 16. The preliminary positioning operation is simple and convenient, and the shearing accuracy can be improved.

[0026] Preferably, guide strips 17 for guiding are installed on the sides of the first positioning plate 13 and the second positioning plate 14 , and a fine-tuning knob 18 for displacing the first positioning plate 13 and the second positioning plate 14 along the guiding direction of the guide strips 17 is installed on the platform 12 .

[0027] Preferably, a nut for adjusting the horizontal balance of the platform 12 is installed on the horizontal adjustment plate 11. By adjusting the fine adjustment knob 18, the positions of the first positioning plate 13 and the second positioning plate 14 on the guide bar 17 can be adjusted, and the workpiece can be accurately positioned. The shearing accuracy of the truck door panel can be improved through accurate positioning.

[0028] Preferably, a grabbing assembly 7 is installed at the end of each of the first manipulator 5 and the second manipulator 6 .

[0029] Preferably, the grab assembly 7 comprises a first bracket 71, a base plate 72, a guide sleeve 73, a guide column 74, a fastener 75, an electro-permanent magnet 76, a spring 77 and a guide pin 78. The first bracket 71 is installed at the ends of the first manipulator 5 and the second manipulator 6. The base plate 72 is installed on the other side of the first bracket 71. The guide sleeve 73 is installed on the base plate 72. A guide column 74 with a threaded head is inserted into the guide sleeve 73. The end of the guide column 74 away from the head is installed with a fastener 75. The head of the guide column 74 is equipped with an electro-permanent magnet 76. A spring 77 is installed between the base plate 72 and the electro-permanent magnet 76. A guide pin 78 matching the first bracket 71 is also installed on the base plate 72. The electro-permanent magnet 76 can be energized to absorb and grab the workpiece. The guide column 74 is provided with a spring 77 between the base plate 72 and the electro-permanent magnet 76, which can buffer the force between the base plate 72 and the electro-permanent magnet 76 and extend the service life of the grab assembly 7. The guide pin 78 cooperates with the first bracket 71 for positioning, which is convenient for installation.

[0030] Preferably, the electro-permanent magnet 76 is configured as a vacuum suction cup 761. The vacuum suction cup 761 can grasp a non-magnetic truck door panel, thereby improving the versatility of the device.

[0031] Preferably, the first bracket 71 is configured as the second bracket 711. A truck door panel with an outer dimension larger than a conventional dimension can be grasped, thereby improving the versatility of the device.

[0032] Preferably, a sensor 762 for detecting the presence of a workpiece is installed on the electro-permanent magnet 76. It can detect whether there is a truck door panel on the loading positioning platform 1 and the reversing positioning platform 2, and can be grasped if there is a truck door panel. The degree of automation is improved.

[0033] Preferably, the first bracket 71 is detachably connected to the base plate 72. The base plate 72 can be detached from the first bracket 71 for easy replacement and maintenance.

[0034] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any technician familiar with the art can make many possible changes and modifications to the technical solution of the present invention by using the technical content disclosed above without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention should fall within the scope of protection of the technical solution of the present invention.

Claims

1. A shearing device for producing railway freight car door panels, characterized in that: The invention comprises a loading positioning platform (1), a reversing positioning platform (2), a first shearing machine (3) and a second shearing machine (4), wherein the loading positioning platform (1) and the reversing positioning platform (2) are arranged at intervals, the first shearing machine (3) and the second shearing machine (4) are arranged at intervals and are located on the same side of the loading positioning platform (1) and the reversing positioning platform (2), a first manipulator (5) is provided between the loading positioning platform (1) and the reversing positioning platform (2) for grabbing a truck door panel on the loading positioning platform (1) to the first shearing machine (3) for shearing a pair of opposite sides and grabbing the truck door panel to the reversing positioning platform (2), and a first manipulator (5) is provided on the side of the reversing positioning platform (2) for grabbing a truck door panel on the loading positioning platform (1) to the first shearing machine (3) for shearing a pair of opposite sides and grabbing the truck door panel to the reversing positioning platform (2). A second manipulator (6) is provided for grabbing the truck door panel on the positioning platform (2) to the second shearing machine (4) for shearing another pair of opposite sides; the loading positioning platform (1) and the reversing positioning platform (2) both comprise a horizontal adjustment plate (11), a platform (12), a first positioning plate (13), a second positioning plate (14), a positioning square hole (15) and an insert (16); a platform (12) is placed on each of the two horizontal adjustment plates (11); a first positioning plate (13) and a second positioning plate (14) are symmetrically arranged on the platform (12) and are perpendicular to each other; a group of positioning square holes (15) are formed on the first positioning plate (13) and the second positioning plate (14); the positioning An insert (16) for positioning a workpiece is installed in the square hole (15); guide strips (17) for guiding are installed on the sides of the first positioning plate (13) and the second positioning plate (14); a fine adjustment knob (18) for displacing the first positioning plate (13) and the second positioning plate (14) along the guide direction of the guide strip (17) is installed on the platform (12); a gripping assembly (7) is installed at the end of the first manipulator (5) and the second manipulator (6); the gripping assembly (7) comprises a first bracket (71), a base plate (72), a guide sleeve (73), a guide column (74), a fastener (75), an electropermanent magnet (76), a spring (77) and a and a guide pin (78), the ends of the first manipulator (5) and the second manipulator (6) are both provided with a first bracket (71), the other side of the first bracket (71) is provided with a base plate (72), the base plate (72) is provided with a guide sleeve (73), a guide column (74) with a threaded head is inserted into the guide sleeve (73), a fastener (75) is provided at one end of the guide column (74) away from the head, an electro-permanent magnet (76) is provided at the head of the guide column (74), a spring (77) is provided between the base plate (72) and the electro-permanent magnet (76), and a guide pin (78) matching the first bracket (71) is also provided on the base plate (72).

2. A shearing device for producing railway freight car door panels according to claim 1, characterized in that: The horizontal adjustment plate (11) is provided with a nut for adjusting the horizontal balance of the platform (12).

3. A shearing device for producing railway freight car door panels according to claim 1, characterized in that: The electropermanent magnet (76) is configured as a vacuum suction cup (761).

4. A shearing device for producing railway freight car door panels according to any one of claims 1 to 3, characterized in that: A sensor (762) for detecting the presence or absence of a workpiece is mounted on the electropermanent magnet (76).

5. A shearing device for producing railway freight car door panels according to any one of claims 1 to 3, characterized in that: The first bracket (71) is detachably connected to the base plate (72).

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