Cutting machine for rocker arm shaft assembly

Abstract

The cutting machine comprises a machine body, a door-shaped support is fixedly connected to the upper end of the machine body, first linear guide rails are fixedly installed on the side walls of the front end and the rear end of the horizontal section of the door-shaped support, and the same U-shaped installation base is fixedly connected to movable guide blocks of the two first linear guide rails. A cutting assembly is arranged on the U-shaped mounting base, a rectangular opening is formed in the inner wall of the right side of the door-shaped support, and a second linear guide rail is fixedly mounted at the upper end of the machine body. The rocker arm shaft assembly is placed on the supporting plate of the U-shaped material carrying table, the double-shaft air cylinder is matched with the connecting plate and the fixing rod to drive the two clamping blocks to move relatively, the two clamping blocks are matched with the arc-shaped buffering abutting block to clamp and position the rocker arm shaft assembly, the structure is simple, positioning is convenient, and the practicability is high. Buffering protection is provided for the clamped and positioned rocker arm shaft assembly through cooperation of the buffering spring and the arc-shaped buffering abutting block of the rubber product, and the rocker arm shaft is prevented from being damaged in the cutting process.

Description

Technical Field

[0001] The utility model relates to the technical field of rocker arm shaft assembly processing, in particular to a cutting machine used for the rocker arm shaft assembly. Background Art

[0002] The engine valve train is mainly used to ensure that the engine completes intake and exhaust in the prescribed order and time. The valve train mainly includes valve assemblies, valve transmission assemblies and intake and exhaust systems. The rocker shaft components are commonly used valve drive mechanisms. The rocker shaft components mainly include rocker arms, rocker shafts, rocker shaft seats and other parts.

[0003] The existing rocker shaft cutting machine is not convenient for quickly clamping and positioning the rocker shaft assembly during actual use, and lacks a rocker shaft protection structure, which can easily cause damage to the rocker shaft during the cutting process. A cutting machine for a rocker shaft assembly is now proposed to solve the above problems. Utility Model Content

[0004] In view of the deficiencies and defects in the prior art, the utility model proposes a cutting machine for a rocker shaft assembly, which is used to solve the technical problems that the existing rocker shaft cutting machine in the background technology is not convenient for quickly clamping and positioning the rocker shaft assembly during actual use, and lacks a rocker shaft protection structure, which easily causes damage to the rocker shaft during the cutting process.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A cutting machine for a rocker arm shaft assembly comprises a body, the upper end of the body is fixedly connected to a gate-shaped bracket, first linear guides are fixedly installed on the front and rear end side walls of the horizontal section of the gate-shaped bracket, two movable guide blocks of the first linear guides are fixedly connected to the same U-shaped mounting seat, a cutting assembly is provided on the U-shaped mounting seat, a rectangular opening is provided on the right inner wall of the gate-shaped bracket, a second linear guide is fixedly installed on the upper end of the body, a U-shaped loading platform is fixedly connected to the upper end of the movable platform of the second linear guide, and a clamping mechanism is provided in the U-shaped loading platform.

[0007] Preferably, the bottom of the rectangular opening is seamlessly connected to the upper end of the body, and the first linear guide rail and the second linear guide rail are arranged in parallel.

[0008] Preferably, the cutting assembly includes a hydraulic cylinder fixedly mounted at the upper end of the center position of the horizontal section of the U-shaped mounting seat, the lower end of the hydraulic cylinder piston rod vertically penetrates the horizontal section of the U-shaped mounting seat, the lower end of the hydraulic cylinder piston rod is fixedly mounted with a third linear guide rail, and the lower end of the movable platform of the third linear guide rail is fixedly mounted with a cutter body.

[0009] Preferably, the clamping mechanism includes a support plate fixedly connected to the opposite side walls of the vertical sections on both sides of the U-shaped loading platform, a double-axis cylinder is fixedly installed on the upper end of the horizontal section of the U-shaped loading platform, openings are provided on the side walls of the vertical sections on both sides near the bottom of the U-shaped loading platform, and piston rods at both ends of the double-axis cylinder horizontally penetrate the openings on both sides respectively, and connecting plates are fixedly connected to the piston rods at both ends of the double-axis cylinder, and fixing rods are fixedly connected to the opposite side walls of the two connecting plates near the upper ends, and the ends of the two fixing rods away from the connecting plates horizontally penetrate the horizontal sections on both sides of the U-shaped loading platform respectively, and clamping blocks are provided on the ends of the two fixing rods located in the U-shaped loading platform.

[0010] Preferably, arc-shaped buffer blocks are fixedly connected to the opposite side walls of the two clamping blocks, circular grooves are provided on the side walls of the two clamping blocks facing the fixed rod, buffer springs are fixedly connected to the inner walls of the two circular grooves facing the fixed rod, the two fixing rods are respectively inserted in the two circular grooves and fixedly connected to the buffer springs, annular limit blocks are fixedly connected to one end of the two fixing rods close to the buffer springs, annular limit grooves are provided on the annular inner walls of the circular grooves, the inner walls of the annular limit grooves are connected to the side walls of the clamping blocks, and the annular limit blocks are inserted in the annular limit grooves and slide against each other.

[0011] Preferably, the arc-shaped buffer block and the annular limit block are both made of rubber.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. By placing the rocker shaft assembly on the support plate of the U-shaped loading platform, the double-axis cylinder cooperates with the connecting plate and the fixing rod to drive the two clamping blocks to move relative to each other, so that the two clamping blocks cooperate with the arc-shaped buffer block to clamp and position the rocker shaft assembly, which has a simple structure and is easy to position.

[0014] 2. The buffer spring and the arc-shaped buffer block made of rubber products provide buffer protection for the clamped and positioned rocker shaft assembly to avoid damage to the rocker shaft during the cutting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A perspective schematic diagram of a cutting machine for a rocker arm shaft assembly proposed by the utility model;

[0016] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0017] Figure 3 The utility model is a schematic diagram of the disassembly structure of a clamping block of a cutting machine for a rocker shaft assembly.

[0018] In the figure: 1 body, 2 door-type bracket, 3 first linear guide, 4 U-type mounting seat, 5 rectangular opening, 6 second linear guide, 7 U-type loading platform, 8 hydraulic cylinder, 9 third linear guide, 10 cutter body, 11 support plate, 12 double-axis cylinder, 13 opening, 14 connecting plate, 15 fixing rod, 16 clamping block, 17 arc-shaped buffer block, 18 circular groove, 19 buffer spring, 20 annular limit block, 21 annular limit groove. DETAILED DESCRIPTION

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-3 A cutting machine for a rocker arm shaft assembly comprises a machine body 1, a door-shaped bracket 2 is fixedly connected to the upper end of the machine body 1, and first linear guide rails 3 are fixedly installed on the side walls at both ends of the horizontal section of the door-shaped bracket 2. The first linear guide rails 3 are used to drive the cutter body 10 to move horizontally in the left and right directions. The movable guide blocks of the two first linear guide rails 3 are fixedly connected to the same U-shaped mounting seat 4. The U-shaped mounting seat 4 is provided with a cutting assembly, and the cutting assembly comprises a hydraulic cylinder 8 fixedly installed at the upper end of the center position of the horizontal section of the U-shaped mounting seat 4. The hydraulic cylinder 8 is used to drive the cutter body 10 to lift and lower vertically for cutting. The lower end of the piston rod of the hydraulic cylinder 8 vertically penetrates the horizontal section of the U-shaped mounting seat 4, and the hydraulic cylinder 8 is movable. A third linear guide 9 is fixedly installed at the lower end of the plug rod, and a cutter body 10 is fixedly installed at the lower end of the movable platform of the third linear guide 9. The third linear guide 9 is used to drive the cutter body 10 to move horizontally in the front and rear directions. A rectangular opening 5 is provided on the right inner wall of the gate-type bracket 2. The bottom of the rectangular opening 5 is seamlessly connected to the upper end of the machine body 1. The first linear guide 3 and the second linear guide 6 are arranged in parallel. A second linear guide 6 is fixedly installed on the upper end of the machine body 1. The second linear guide 6 is used to adjust the position of the U-shaped loading platform 7, and can move the clamped and positioned rocker arm shaft assembly to directly below the gate-type bracket 2. The upper end of the movable platform of the second linear guide 6 is fixedly connected to the U-shaped loading platform 7.

[0022] The U-shaped loading platform 7 is provided with a clamping mechanism, which includes a support plate 11 fixedly connected to the opposite side walls of the vertical sections on both sides of the U-shaped loading platform 7, and a double-axis cylinder 12 is fixedly installed on the upper end of the horizontal section of the U-shaped loading platform 7. The double-axis cylinder 12 cooperates with the connecting plate 14 and the fixing rod 15 to drive the two clamping blocks 16 to move horizontally relative to each other, so that the two clamping blocks 16 drive the two arc-shaped buffer blocks 17 to contact with the rocker shaft assembly, and the vertical sections on both sides of the U-shaped loading platform 7 near the bottom are There are openings 13 on the wall, and the piston rods at both ends of the double-axis cylinder 12 are horizontally penetrated through the openings 13 on both sides respectively. The piston rods at both ends of the double-axis cylinder 12 are fixedly connected with connecting plates 14, and the two connecting plates 14 are fixedly connected with fixing rods 15 on the opposite side walls near the upper ends. The ends of the two fixing rods 15 away from the connecting plates 14 are horizontally penetrated through the horizontal sections on both sides of the U-shaped loading platform 7 respectively, and the ends of the two fixing rods 15 located inside the U-shaped loading platform 7 are provided with clamping blocks 16.

[0023] The two clamping blocks 16 are fixedly connected with arc-shaped buffering blocks 17 on the opposite side walls, and the two clamping blocks 16 are provided with circular grooves 18 on the side walls facing the fixed rods 15. The two circular grooves 18 are fixedly connected with buffer springs 19 on the inner walls facing the fixed rods 15. The two fixed rods 15 are respectively inserted into the two circular grooves 18 and fixedly connected with the buffer springs 19. The ends of the two fixed rods 15 close to the buffer springs 19 are fixedly connected with an annular limiting block 20. When the annular limiting block 20 moves in the annular limiting groove 21, it can limit the fixed rod 15 so that it can smoothly compress the buffer spring 19 in the circular groove 18, thereby making the buffer spring The spring 19 cooperates with the arc-shaped buffer block 17 made of rubber to provide buffer protection for the clamped and positioned rocker shaft assembly to avoid damage to the rocker shaft during the cutting process. An annular limit groove 21 is provided on the annular inner wall of the circular groove 18. The inner wall of the annular limit groove 21 is connected to the side wall of the clamping block 16. The annular limit block 20 is inserted into the annular limit groove 21 and slides in contact with each other. The arc-shaped buffer block 17 and the annular limit block 20 are both made of rubber. The rocker shaft assembly is subjected to force to drive the fixing rod 15 to compress the buffer spring 19 in the circular groove 18, so that the buffer spring 19 cooperates with the clamping block 16 and the arc-shaped buffer block 17 to clamp and position the rocker shaft assembly.

[0024] When the utility model is in use, the rocker shaft assembly is placed on the upper end of the support plate 11 in the U-shaped loading platform 7, and the double-axis cylinder 12 is started to cooperate with the connecting plate 14 and the fixing rod 15 to drive the two clamping blocks 16 to move horizontally relative to each other, so that the two clamping blocks 16 drive the two arc-shaped buffering blocks 17 to contact the rocker shaft assembly, so that the rocker shaft assembly is forced to drive the fixing rod 15 to compress the buffer spring 19 in the circular groove 18, so that the buffer spring 19 cooperates with the clamping block 16 and the arc-shaped buffering block 17 to clamp and position the rocker shaft assembly. When replacing, it is only necessary to start the double-axis cylinder 12 again so that the arc-shaped buffering block 17 and the clamping block 16 can be separated from the rocker shaft assembly, and the first linear guide 3 and the third linear guide 9 are started to cooperate with the U-shaped mounting seat 4 to drive the cutter body 10 to freely shift and adjust in the horizontal direction, and the second linear guide 6 is started to drive the clamped and positioned rocker shaft assembly to move along the rectangular opening 5 to the door-type bracket 2, and the hydraulic cylinder 8 drives the cutter body 10 to vertically lift and cut, so as to facilitate the cutting of the clamped and positioned rocker shaft assembly. During the cutting process, the buffer spring 19 in the circular groove 18 cooperates with the arc-shaped buffer block 17 of the rubber product to provide buffer protection for the clamped and positioned rocker shaft assembly, so as to avoid damage to the rocker shaft during the cutting process.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cutting machine for a rocker arm shaft assembly, comprising a machine body (1), characterized in that: The upper end of the machine body (1) is fixedly connected to a door-shaped bracket (2), and first linear guide rails (3) are fixedly installed on the front and rear end side walls of the horizontal section of the door-shaped bracket (2), and the movable guide blocks of the two first linear guide rails (3) are fixedly connected to the same U-shaped mounting seat (4), and the U-shaped mounting seat (4) is provided with a cutting assembly, and a rectangular opening (5) is provided on the right inner wall of the door-shaped bracket (2), and a second linear guide rail (6) is fixedly installed on the upper end of the machine body (1), and a U-shaped loading platform (7) is fixedly connected to the upper end of the movable platform of the second linear guide rail (6), and a clamping mechanism is provided inside the U-shaped loading platform (7).

2. A cutting machine for a rocker arm shaft assembly according to claim 1, characterized in that: The bottom of the rectangular opening (5) is seamlessly connected to the upper end of the machine body (1), and the first linear guide rail (3) and the second linear guide rail (6) are arranged in parallel.

3. A cutting machine for a rocker arm shaft assembly according to claim 1, characterized in that: The cutting assembly comprises a hydraulic cylinder (8) fixedly mounted at the upper end of the center position of the horizontal section of the U-shaped mounting seat (4); the lower end of the piston rod of the hydraulic cylinder (8) vertically penetrates the horizontal section of the U-shaped mounting seat (4); a third linear guide rail (9) is fixedly mounted at the lower end of the piston rod of the hydraulic cylinder (8); and a cutter body (10) is fixedly mounted at the lower end of the movable platform of the third linear guide rail (9).

4. A cutting machine for a rocker arm shaft assembly according to claim 1, characterized in that: The clamping mechanism comprises a support plate (11) fixedly connected to opposite side walls of the vertical sections on both sides of the U-shaped loading platform (7); a double-axis cylinder (12) is fixedly installed on the upper end of the horizontal section of the U-shaped loading platform (7); openings (13) are provided on the side walls of the vertical sections on both sides of the U-shaped loading platform (7) near the bottom; piston rods at both ends of the double-axis cylinder (12) are respectively horizontally penetrated through the openings (13) on both sides; connecting plates (14) are fixedly connected to the piston rods at both ends of the double-axis cylinder (12); fixing rods (15) are fixedly connected to opposite side walls of the two connecting plates (14) near the upper ends; the ends of the two fixing rods (15) away from the connecting plates (14) are respectively horizontally penetrated through the horizontal sections on both sides of the U-shaped loading platform (7); and clamping blocks (16) are provided on the ends of the two fixing rods (15) located inside the U-shaped loading platform (7).

5. A cutting machine for a rocker arm shaft assembly according to claim 4, characterized in that: The two clamping blocks (16) are fixedly connected to the opposite side walls with arc-shaped buffering blocks (17), the side walls of the two clamping blocks (16) facing the fixed rod (15) are provided with circular grooves (18), the inner walls of the two circular grooves (18) facing the fixed rod (15) are fixedly connected with buffer springs (19), the two fixed rods (15) are respectively inserted into the two circular grooves (18) and fixedly connected to the buffer springs (19), the ends of the two fixed rods (15) close to the buffer springs (19) are fixedly connected with an annular limiting block (20), the annular inner wall of the circular groove (18) is provided with an annular limiting groove (21), the inner wall of the annular limiting groove (21) is connected to the side wall of the clamping block (16), and the annular limiting block (20) is inserted into the annular limiting groove (21) and slides against each other.

6. A cutting machine for a rocker arm shaft assembly according to claim 5, characterized in that: The arc-shaped buffer block (17) and the annular limit block (20) are both made of rubber.

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