CN215432140U

CN215432140U - Laser cutting machine for machining rail vehicle body

Info

Publication number: CN215432140U
Application number: CN202122033921.6U
Authority: CN
Inventors: 王应成; 陈岩; 郭永为; 吕海宁; 王芸
Original assignee: Nanjing Jinou Railway Assembly Manufacturing Co ltd
Current assignee: Nanjing Jinou Railway Assembly Manufacturing Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-01-07
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to a laser cutting machine's technical field, concretely relates to laser cutting machine is used in processing of rail vehicle automobile body, which comprises a base, pay-off seat and cutting machine body, the cutting machine body sets up on the base, the pay-off seat slides and sets up on the base, be provided with locating component on the pay-off seat, locating component includes the locating plate, first pivot pole and head rod, it sets up first pivot pole all to rotate on the relative both sides lateral wall on the pay-off seat, the rotation axial level of head rod, the head rod slides along the direction of sliding of perpendicular to pay-off seat and sets up on the pay-off seat, the one end threaded connection of head rod is on first pivot pole, the one end that first pivot pole was kept away from to the head rod is connected with the locating plate, the locating plate supports tightly on the work piece. This application has the effect that improves the cutting precision of work piece.

Description

Laser cutting machine for machining rail vehicle body

Technical Field

The application relates to the technical field of laser cutting machines, in particular to a laser cutting machine for machining a rail vehicle body.

Background

The laser cutting is to irradiate a laser beam with high power density on the surface of a workpiece to enable the workpiece to reach a melting point or a boiling point, and simultaneously, high-pressure gas coaxial with the laser beam blows away molten or gasified metal, so that a cutting seam is finally formed on a material along with the movement of the relative position of the laser beam and the workpiece, and the laser cutting precision is more excellent compared with that of the traditional mechanical cutting.

A laser cutting machine among the correlation technique, including base, pay-off seat and cutting machine body, the cutting machine body sets up on the base, and the pay-off seat slides and sets up on the base, is provided with a plurality of archs on the pay-off seat. During cutting, the workpiece to be cut is placed on the feeding seat, the workpiece is abutted to the plurality of protrusions, and then the feeding seat drives the workpiece to be cut to slide into the cutting machine body for laser cutting. However, in the cutting process, the workpiece and the feeding seat are in point contact, the surface of the workpiece is smooth, and the cutting machine body needs to blow out high-pressure gas in the cutting process, so that the position of the workpiece is easy to deviate, and the cutting precision of the workpiece is easy to lower.

SUMMERY OF THE UTILITY MODEL

In order to improve the cutting precision of work piece, this application provides a laser cutting machine is used in rail vehicle automobile body processing.

The application provides a pair of laser cutting machine is used in rail vehicle automobile body processing adopts following technical scheme:

the utility model provides a laser cutting machine is used in processing of rail vehicle automobile body, includes base, pay-off seat and cutting machine body, the cutting machine body sets up on the base, the pay-off seat slides and sets up on the base, be provided with locating component on the pay-off seat, locating component includes locating plate, first rotation pole and head rod, all rotate on the relative both sides lateral wall on the pay-off seat and set up first rotation pole, the rotation axial of first rotation pole is horizontal, the head rod slides along the direction of sliding of perpendicular to pay-off seat and sets up on the pay-off seat, the one end threaded connection of head rod is on first rotation pole, the one end that first rotation pole was kept away from to the head rod is connected with the locating plate, the locating plate support tightly be used for with the work piece that laser cutting machine cooperates and uses.

By adopting the technical scheme, the first connecting rod is in threaded connection with the first rotating rod, and the first rotating rod is rotated to generate threaded feeding between the first rotating rod and the first connecting rod, so that the first connecting rod drives the positioning plates to move, the two positioning plates are relatively abutted against a workpiece to be machined, and the positioning plates position the workpiece to be machined; therefore, the condition that the workpiece to be machined deviates in the cutting process is reduced, and the cutting precision of the workpiece is improved.

Optionally, the feeding seat is provided with a plurality of supporting blocks, gaps exist among the supporting blocks, and top end walls of the supporting blocks abut against the lower surface of a workpiece used for being matched with the laser cutting machine.

By adopting the technical scheme, because gaps exist among the supporting blocks, the workpiece to be processed is abutted against the top end walls of the supporting blocks, point contact supporting of the workpiece to be processed is realized, and laser cutting is conveniently carried out.

Optionally, a blanking plate is arranged on the feeding seat, a plurality of through holes are formed in the blanking plate, a plurality of supporting blocks are correspondingly arranged in the through holes in a penetrating manner, and the blanking plate is located below a workpiece used for being matched with the laser cutting machine and a gap exists between the blanking plate and the workpiece.

Through adopting above-mentioned technical scheme, because the work piece can cut into the finished product of various sizes, the finished product drops in the clearance between the supporting shoe easily, and it is comparatively difficult that the finished product is taken out to the later stage. Therefore, the blanking plate is arranged between the top ends of the supporting blocks, finished products can be reduced to fall into gaps between the supporting blocks, the finished products can be taken out conveniently, and the working efficiency is improved.

Optionally, the blanking plate slides along the vertical direction and is disposed on the feeding seat, and the feeding seat is provided with a blanking assembly for driving the blanking plate to slide along the vertical direction.

Through adopting above-mentioned technical scheme, flitch slides along vertical direction under the drive of unloading subassembly, therefore the flitch can push away the upper surface of pay-off seat with the finished product that falls between adjacent supporting shoe down, conveniently carries out the unloading operation to the finished product, improves work efficiency.

Optionally, the unloading subassembly includes second dwang and second connecting rod, the second dwang rotates and sets up on the pay-off seat, the rotation axial of second dwang is vertical, the second connecting rod slides along vertical direction and sets up on the pay-off seat, the one end threaded connection of second connecting rod is on the second dwang, the one end that first dwang was kept away from to the second connecting rod is connected with the unloading board.

Through adopting above-mentioned technical scheme, because second connecting rod threaded connection is on the second dwang, consequently when the second dwang rotates, the screw feed takes place for second connecting rod and second dwang to the flitch removes along vertical direction under the drive, convenient and fast will fall the finished product between the adjacent supporting shoe and push away the stack pallet upper surface and carry out the unloading operation, improve work efficiency.

Optionally, be provided with the linkage subassembly between first dwang and the second dwang, screw thread on the first dwang is opposite with the screw thread direction on the second dwang, the linkage subassembly includes first bevel gear and second bevel gear, first bevel gear sets up on first dwang and axis of rotation level, second bevel gear sets up on the second dwang and the axis of rotation is vertical, first bevel gear meshes with second bevel gear mutually.

By adopting the technical scheme, the first bevel gear is meshed with the second bevel gear, and the rotating shafts of the first bevel gear and the second bevel gear are vertical to each other, so that the second rotating rod can be driven to rotate when the first rotating rod is rotated; simultaneously, the direction of the threads on the first rotating rod is opposite to that of the threads on the second rotating rod, namely when the positioning plate is far away from the workpiece, the blanking plate moves upwards along the vertical direction, so that the linkage operation of workpiece positioning and finished product blanking is eliminated, and the working efficiency is improved.

Optionally, a pushing assembly is arranged on the feeding seat and comprises a pushing plate, the pushing plate is arranged on the feeding seat in a sliding mode along the sliding direction of the feeding seat, and the lower surface of the pushing plate is flush with the upper surface of the feeding seat.

By adopting the technical scheme, the lower surface of the pushing plate is flush with the upper surface of the feeding seat. Therefore, the pushing plate is pushed to push the finished product processed on the feeding seat to the discharging end, so that the finished product can be discharged, convenience and rapidness are realized, and the working efficiency is improved.

Optionally, a slide rail is arranged on the feeding seat, the pushing plate is arranged on the slide rail in a sliding manner along the sliding direction of the feeding seat, a fixing assembly used for fixing the pushing plate is arranged on the feeding seat, the fixing assembly comprises a fixing plate and a fixing bolt, the fixing plate is hinged to the pushing plate, and the fixing bolt penetrates through the fixing plate and is in threaded connection with the feeding seat.

By adopting the technical scheme, when the workpiece is cut, the position of the pushing plate can be fixed through the fixing bolt, the sliding condition of the pushing plate in the cutting or feeding seat moving process is reduced, the workpiece position deviation condition caused by the pushing plate moving is reduced, and the workpiece cutting precision is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

according to the positioning device, the first rotating rod rotates to generate thread feeding with the first connecting rod, so that the positioning plates are driven to move, the two positioning plates are relatively abutted against a workpiece, the workpiece is positioned, the condition that the workpiece deviates in the cutting process is reduced, and the cutting precision of the workpiece is improved;

according to the feeding device, the second rotating rod rotates to generate thread feeding with the second connecting rod, so that the blanking plates are driven to move in the vertical direction, the finished products falling between the adjacent supporting blocks are pushed to the upper surface of the feeding seat by the blanking plates, blanking operation of the finished products is facilitated, and the working efficiency is improved;

this application is through setting up the linkage subassembly between first dwang and second dwang, and first bevel gear is mutually perpendicular with second bevel gear's rotation axial simultaneously for when the work piece was kept away from to two locating plates, the vertical rebound of lower flitch realized canceling the linkage operation to work piece location and finished product unloading, improved work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a laser cutting machine for machining a rail vehicle body according to an embodiment of the present application.

Fig. 2 is a schematic diagram of a pushing assembly structure in an embodiment of the present application.

Fig. 3 is a partial sectional view of a blanking assembly for embodying the structure of the embodiment of the present application.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is a schematic diagram of a lower plate structure in an embodiment of the present application.

Description of reference numerals: 1. a base; 11. a guide rail; 2. a feeding seat; 21. a support block; 22. a slide rail; 3. a cutter body; 4. a positioning assembly; 41. positioning a plate; 42. a first rotating lever; 43. a first connecting rod; 44. a motor; 5. a blanking plate; 51. perforating holes; 6. a blanking assembly; 61. a second rotating lever; 62. a second connecting rod; 7. a linkage assembly; 71. a first bevel gear; 72. a second bevel gear; 8. a push assembly; 81. a push plate; 82. a fixing assembly; 821. a fixing plate; 822. fixing the bolt; 9. and (5) a workpiece.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses laser cutting machine is used in processing of rail vehicle automobile body.

Referring to fig. 1 and 2, the laser cutting machine for machining the rail vehicle body comprises a base 1, a feeding seat 2 and a cutting machine body 3, wherein the cutting machine body 3 is fixedly connected to the base 1; the conveying direction of the workpiece 9 is set to be the length direction of the base 1, guide rails 11 are arranged on two sides of the base 1 in the width direction, and the feeding seat 2 is arranged on the guide rails 11 in a sliding mode along the length direction of the base 1. A plurality of supporting blocks 21 are fixedly connected to the feeding seat 2, gaps exist between the supporting blocks 21 which are arranged on the feeding seat 2 and adjacent to the supporting blocks 21, the vertical cross section of each supporting block 21 is triangular, the top end of each supporting block 21 is a tip end, and the top end walls of the supporting blocks 21 are abutted to the lower surface of the workpiece 9. The feeding seat 2 is provided with a positioning component 4 for fixing the workpiece 9, and the feeding seat 2 is provided with a pushing component 8 for pushing the cut workpiece 9 to a discharging end.

The workpiece 9 to be cut is placed on the feeding seat 2, the top end wall of the supporting block 21 abuts against the lower surface of the workpiece 9, then the workpiece 9 is fixed by the positioning component 4, the feeding seat 2 slides into the cutting machine body 3 along the length direction of the base 1, and the cutting machine body 3 is started to cut the workpiece 9. After the cutting process is finished, the positioning of the positioning component 4 on the workpiece 9 is cancelled, and then the pushing component 8 is driven to push the cut workpiece 9 to the blanking end for blanking operation.

Referring to fig. 1 and 2, the pushing assembly 8 includes a pushing plate 81, sliding rails 22 are arranged on the feeding base 2 along two sides of the width direction of the base 1, the pushing plate 81 slides along the length direction of the base 1 and is arranged on the sliding rails 22, and the lower surface of the pushing plate 81 is flush with the top end wall of the supporting block 21. The feeding seat 2 is provided with a fixing assembly 82 for fixing the pushing plate 81, the fixing assembly 82 comprises a fixing plate 821 and a fixing bolt 822, the fixing plate 821 is hinged to the vertical side wall of one side, facing the cutting machine body 3, of the pushing plate 81, and the fixing bolt 822 penetrates through the fixing plate 821 and is in threaded connection with the vertical side wall of one side, facing the cutting machine body 3, of the feeding seat 2.

After the workpiece 9 is cut, the positioning of the positioning assembly 4 on the workpiece 9 is cancelled, then the fixing bolt 822 is taken down, the fixing plate 821 is rotated to enable the fixing plate 821 to be far away from the feeding seat 2, and the fixing of the pushing plate 81 is released; and then the pushing plate 81 slides along the length direction of the base 1, so that the finished workpieces 9 on the supporting block 21 are pushed to the blanking end of the feeding seat 2 for blanking. After the blanking is completed, the pushing plate 81 is moved to the initial position, and the fixing bolt 822 is screwed on the feeding base 2 through the fixing plate 821 to fix the pushing plate 81 and prepare for the next cutting of the workpiece 9.

Referring to fig. 3 and 4, the positioning assembly 4 includes a positioning plate 41, a first rotating rod 42 and a first connecting rod 43, the first rotating rod 42 is rotatably disposed on the vertical side walls of the feeding base 2 along both sides of the base 1 in the width direction, and the rotating axis of the first rotating rod 42 is horizontal; the vertical side walls of the feeding seat 2 along the two sides of the base 1 in the width direction are provided with motors 44, and the driving ends of the motors 44 are connected with one ends of the first rotating rods 42 extending out of the feeding seat 2. The first connecting rod 43 is slidably arranged on the feeding seat 2 along the width direction of the base 1, one end of the first connecting rod 43 is in threaded connection with the first rotating rod 42, the positioning plate 41 is fixedly connected to one end, far away from the first rotating rod 42, of the first connecting rod 43, the positioning plates 41 and the first rotating rod 42 are arranged in a one-to-one correspondence manner, and the two positioning plates 41 are relatively abutted against the workpiece 9 along the width direction of the base 1.

After the workpiece 9 is placed on the feeding seat 2, the motor 44 is started to drive the first rotating rod 42 to rotate, the first rotating rod 42 and the first connecting rod 43 are fed in a threaded manner, the first connecting rod 43 moves towards the workpiece 9 along the width direction of the base 1, and the positioning plates 41 are driven to move towards the workpiece 9 until the two positioning plates 41 are relatively abutted against the workpiece 9 to fix the workpiece 9. Then the feeding seat 2 slides along the length direction of the base 1 until the feeding seat 2 moves to be opposite to the cutting machine body 3, and the cutting machine body 3 is started to cut and process the workpiece 9. After the cutting is finished, the motor 44 is started again to drive the positioning plate 41 to be away from the workpiece 9, and then the pushing plate 81 is pushed to push the workpiece 9 to the discharging end of the feeding seat 2 to perform the discharging operation.

Referring to fig. 3, 4 and 5, the feeding seat 2 is provided with a blanking plate 5 in a sliding manner along the vertical direction, the blanking plate 5 is provided with a plurality of through holes 51 in a penetrating manner, and a plurality of supporting blocks 21 are correspondingly arranged in the through holes 51 in a penetrating manner one by one; the blanking plate 5 is positioned below the workpiece 9, a gap exists between the blanking plate 5 and the workpiece 9, and the feeding seat 2 is provided with a blanking assembly 6 for driving the blanking plate 5 to slide along the vertical direction. Unloading subassembly 6 includes second dwang 61 and second connecting rod 62, and second dwang 61 sets up with first dwang 42 one-to-one, and second dwang 61 rotates and sets up on pay-off seat 2, and the rotation axial of second dwang 61 is vertical. The second connecting rod 62 slides along the vertical direction and is arranged on the feeding seat 2, one end of the second connecting rod 62 is in threaded connection with the second rotating rod 61, and the blanking plate 5 is fixedly connected with one end of the second connecting rod 62 far away from the first rotating rod 42.

Before the workpiece 9 is cut, the second rotating lever 61 is rotated so that the top end wall of the blanking plate 5 is located below the top end wall of the supporting block 21. After the workpiece 9 is cut, the second rotating rod 61 is rotated, the second connecting rod 62 and the second rotating rod 61 are in threaded feeding, and the second connecting rod 62 slides upwards along the vertical direction to drive the blanking plate 5 to move upwards along the vertical direction; the blanking plate 5 pushes the finished workpiece 9 falling in the gap between the adjacent supporting blocks 21 upwards until the top end wall of the blanking plate 5 is flush with the top end wall of the supporting blocks 21, the finished workpiece 9 is pushed out of the gap between the adjacent supporting blocks 21, and then the pushing plate 81 is pushed to push the finished workpiece 9 to the blanking end of the feeding seat 2 for blanking operation.

Referring to fig. 3 and 4, a linkage assembly 7 is disposed between the first rotating rod 42 and the second rotating rod 61, the linkage assembly 7 includes a first bevel gear 71 and a second bevel gear 72, the first bevel gear 71 is fixedly connected to the first rotating rod 42, the second bevel gear 72 is fixedly connected to the second rotating rod 61, the first bevel gear 71 is engaged with the second bevel gear 72, and the rotating axial directions of the first bevel gear 71 and the second bevel gear 72 are perpendicular to each other.

Before the workpiece 9 is cut, the motor 44 is started to drive the first rotating rod 42 to rotate, so that the two positioning plates 41 are relatively close to and move to be tightly abutted against the workpiece 9; in the process, the first bevel gear 71 rotates to drive the second bevel gear 72 to rotate, so that the second rotating rod 61 rotates, the second connecting rod 62 and the second rotating rod 61 are in threaded feeding, the second connecting rod 62 moves downwards along the vertical direction to drive the blanking plate 5 to move downwards along the vertical direction, and when the positioning plate 41 abuts against the workpiece 9, the blanking plate 5 is located below the top end wall of the supporting block 21.

The implementation principle of the laser cutting machine for machining the rail vehicle body is as follows: the workpiece 9 to be machined is placed on the feeding seat 2, the motor 44 is started, the two first rotating rods 42 are rotated simultaneously, the first rotating rods 42 and the first connecting rods 43 are subjected to thread feeding, the first connecting rods 43 drive the positioning plates 41 to move towards the workpiece 9 until the two positioning plates 41 are relatively abutted against the workpiece 9, and the workpiece 9 is fixed.

Meanwhile, in the process of rotating the first rotating rod 42, the first bevel gear 71 rotates along with the first rotating rod, and the first bevel gear 71 drives the second bevel gear 72 to rotate, that is, the second rotating rod 61 rotates; the second rotating rod 61 and the second connecting rod 62 are in threaded feeding, the second connecting rod 62 drives the blanking plate 5 to move downwards along the vertical direction, and when the two positioning plates 41 are relatively abutted against the workpiece 9, the blanking plate 5 moves to the lower side of the top end wall of the supporting block 21. Then the feeding seat 2 is slid into the cutting machine body 3 to carry out the cutting operation of the workpiece 9.

After the workpiece 9 is cut, the feeding seat 2 is slid out of the cutting machine body 3, and then the motor 44 is started to drive the first rotating rod 42 to rotate, so that the two positioning plates 41 are relatively far away from the workpiece 9; simultaneously, the blanking plates 5 move upwards along the vertical direction, so that the blanking plates 5 push out the finished workpieces 9 falling between the adjacent supporting blocks 21; then the sliding push plate 81 pushes the finished workpiece 9 to the blanking end of the feeding seat 2 for blanking operation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a laser cutting machine is used in processing of rail vehicle automobile body which characterized in that: the cutting machine comprises a base (1), a feeding seat (2) and a cutting machine body (3), wherein the cutting machine body (3) is arranged on the base (1), the feeding seat (2) is arranged on the base (1) in a sliding manner, a positioning assembly (4) is arranged on the feeding seat (2), the positioning assembly (4) comprises a positioning plate (41), a first rotating rod (42) and a first connecting rod (43), the first rotating rod (42) is arranged on the side wall of two opposite sides of the feeding seat (2) in a rotating manner, the rotating shaft of the first rotating rod (42) is horizontal, the first connecting rod (43) is arranged on the feeding seat (2) in a sliding manner along the direction perpendicular to the feeding seat (2), one end of the first connecting rod (43) is connected to the first rotating rod (42) in a threaded manner, one end of the first connecting rod (43), which is far away from the first rotating rod (42), is connected with the positioning plate (41), the positioning plate (41) is abutted against a workpiece (9) used for being matched with the laser cutting machine.

2. The laser cutting machine for rail vehicle body machining according to claim 1, characterized in that: the laser cutting machine is characterized in that a plurality of supporting blocks (21) are arranged on the feeding seat (2), gaps exist among the supporting blocks (21), and top end walls of the supporting blocks (21) abut against the lower surface of a workpiece (9) used for being matched with the laser cutting machine.

3. The laser cutting machine for rail vehicle body machining according to claim 2, characterized in that: the feeding seat is provided with a blanking plate (5) on the feeding seat (2), the blanking plate (5) is provided with a plurality of through holes (51), a plurality of supporting blocks (21) are correspondingly arranged in the through holes (51) in a penetrating mode, the blanking plate (5) is located below a workpiece (9) used for being matched with the laser cutting machine, and a gap exists between the blanking plate and the workpiece.

4. The laser cutting machine for rail vehicle body machining according to claim 3, characterized in that: the blanking plate (5) is arranged on the feeding seat (2) in a sliding mode along the vertical direction, and a blanking assembly (6) used for driving the blanking plate (5) to slide along the vertical direction is arranged on the feeding seat (2).

5. The laser cutting machine for rail vehicle body machining according to claim 4, characterized in that: unloading subassembly (6) include second dwang (61) and second connecting rod (62), second dwang (61) are rotated and are set up on pay-off seat (2), the rotation axis of second dwang (61) is vertical, second connecting rod (62) slide along vertical direction and set up on pay-off seat (2), the one end threaded connection of second connecting rod (62) is on second dwang (61), the one end and the unloading board (5) of first dwang (42) are kept away from to second connecting rod (62) are connected.

6. The laser cutting machine for rail vehicle body machining according to claim 5, characterized in that: be provided with linkage subassembly (7) between first dwang (42) and second dwang (61), screw thread on first dwang (42) is opposite with the screw thread direction on second dwang (61), linkage subassembly (7) include first bevel gear (71) and second bevel gear (72), first bevel gear (71) set up on first dwang (42) and rotate the axial level, second bevel gear (72) set up on second dwang (61) and rotate the axial vertical, first bevel gear (71) mesh with second bevel gear (72).

7. The laser cutting machine for rail vehicle body machining according to claim 1, characterized in that: the automatic feeding device is characterized in that a pushing assembly (8) is arranged on the feeding seat (2), the pushing assembly (8) comprises a pushing plate (81), the pushing plate (81) is arranged on the feeding seat (2) in a sliding mode along the sliding direction of the feeding seat (2), and the lower surface of the pushing plate (81) is flush with the upper surface of the feeding seat (2).

8. The laser cutting machine for rail vehicle body machining according to claim 7, characterized in that: be provided with slide rail (22) on pay-off seat (2), push plate (81) slide along the glide direction of pay-off seat (2) and set up on slide rail (22), be provided with fixed subassembly (82) that are used for fixed push plate (81) on pay-off seat (2), fixed subassembly (82) are including fixed plate (821) and fixing bolt (822), fixed plate (821) articulate on push plate (81), fixing bolt (822) pass fixed plate (821) threaded connection on pay-off seat (2).