A straightening device for rocker shaft machining

Abstract

The utility model relates to rocker shaft processing technical field and disclose a kind of straightening device for rocker shaft processing, including straightening table, straightening wheel, fixed frame and angle adjusting assembly, the straightening wheel is located above straightening table, the top of fixed frame is equipped with first drive component towards downwards outer surface, the output of first drive component is equipped with second drive component, angle adjusting assembly is located in the output of second drive component, for adjusting the inclination angle of straightening wheel. The utility model adjusts the contact surface of straightening wheel and rocker shaft by angle adjusting assembly, at this time, rack is moved by electric push rod, so that gear rotates, to drive connecting block to make straightening wheel rotate, the inclination angle of straightening wheel is adjusted, cooperate first drive component and second drive component, adjust the contact surface of straightening wheel and rocker shaft, so it can complete the same rocker wheel different direction straightening processing.

Description

Technical Field

[0001] This utility model relates to the field of rocker arm shaft processing technology, specifically a straightening device for rocker arm shaft processing. Background Technology

[0002] The intake and exhaust system of a motorcycle consists of parts such as a camshaft, tappet, rocker arm, rocker arm shaft, rocker arm seat, valve, and valve spring. The valve opens and closes through the action of the tappet and rocker arm. The rocker arm is mounted on the rocker arm seat through the rocker arm shaft. One end of the rocker arm shaft is driven by the tappet on the camshaft, and the other end presses against the valve stem. Together with the spring, it controls the opening and closing of the valve. In the rocker arm shaft manufacturing process, a straightening device is needed to straighten the bent rocker arm shaft to facilitate subsequent processing.

[0003] In the prior art, a straightening wheel is usually used to contact the fixed rocker arm shaft. The rocker arm shaft is straightened by the reciprocating movement of the straightening wheel on the rocker arm shaft. However, relying solely on the contact between the straightening wheel and the rocker arm shaft makes it difficult to meet the straightening requirements of bending the same rocker arm shaft in different directions, which makes the overall application inconvenient. Therefore, a straightening device for rocker arm shaft processing is proposed. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a straightening device for rocker arm shaft processing, thereby solving the problems mentioned in the background section.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a straightening device for machining rocker arm shafts, comprising: Straightening table; A straightening wheel, located above the straightening table, is used to straighten the rocker arm shaft; A fixed frame is located above the straightening table. A first drive assembly is installed on the top of the fixed frame facing downward. A second drive assembly is installed at the output end of the first drive assembly. The first drive assembly and the second drive assembly are staggered. The first drive assembly and the second drive assembly are used to adjust the position of the straightening wheel in the X-axis direction and the Y-axis direction, respectively. Both the first drive assembly and the second drive assembly are electric linear slide rails. An angle adjustment component, located at the output end of the second drive component, is used to adjust the tilt angle of the straightening wheel.

[0006] Furthermore, the angle adjustment component includes a T-shaped plate installed at the output end of the second drive component. An L-shaped plate is fixedly connected to the side of the T-shaped plate. An electric push rod is fixedly installed on the outer surface of the L-shaped plate. A rack is installed at the output end of the electric push rod. A support shaft rotatably passes through the outer surface of the T-shaped plate. A gear is fixedly sleeved at one end of the support shaft. The rack engages movably with the outer surface of the gear.

[0007] Furthermore, a mounting block is fixedly connected to the other end of the support shaft, a hydraulic cylinder is mounted on the outer surface of the mounting block, and the straightening wheel is mounted on the output end of the hydraulic cylinder.

[0008] Furthermore, the top of the straightening table is provided with two fixing components, which are used to fix the rocker arm shaft.

[0009] Furthermore, a position adjustment component is provided above the straightening table, which is used to adjust the distance between the two fixed components.

[0010] Furthermore, the position adjustment assembly includes two fixed plates disposed above the straightening table, with a positive and negative lead screw rotatably connected between the two fixed plates. A crank handle is fixedly connected to the outer surface of the positive and negative lead screw, and two threaded blocks are threadedly connected to the outer surface of the positive and negative lead screw. The fixing assembly is disposed above the threaded blocks.

[0011] Furthermore, the fixing assembly includes a side plate fixed above the threaded block, and an extension plate for mounting the rocker arm shaft is fixedly connected to the outer surfaces of the two opposing side plates. A vertical plate is fixedly connected to the top outer surface of the extension plate, and a horizontal plate is fixedly connected to the side of the vertical plate away from the side plate. A cylinder is installed on the outer surface of the horizontal plate, and an arc-shaped clamping plate for pressing the rocker arm shaft is installed at the output end of the cylinder.

[0012] Furthermore, springs are fixedly connected to the opposite outer surfaces of the two side plates, and the other end of the springs is fixedly connected to the vertical plate. A guide rod is movably passed through the outer surface of the side plates, and the other end of the guide rod is fixedly connected to the vertical plate. The springs are sleeved on the outer surface of the guide rod.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model adjusts the contact surface between the straightening wheel and the rocker arm shaft by means of an angle adjustment component. At this time, the rack is moved by the electric push rod, which causes the gear to rotate, thereby driving the connecting block to rotate the straightening wheel and adjust the tilt angle of the straightening wheel. In conjunction with the first drive component and the second drive component, the contact surface between the straightening wheel and the rocker arm shaft is adjusted, so as to complete the straightening treatment of the same rocker arm wheel in different directions.

[0014] 2. This utility model uses a crank handle to drive the forward and reverse lead screws to rotate, causing the two threaded blocks to move and thus adjust the position between the two fixed components. This allows the two ends of the rocker arm shaft to be positioned on the two fixed components respectively. Then, a cylinder drives an arc-shaped clamping plate to press the rocker arm shaft onto the extension plate, making it suitable for rocker arm shafts of different sizes. When the rocker arm shaft is straightened, the spring deforms, providing space for increasing the length of the rocker arm shaft. Attached Figure Description

[0015] Figure 1 This is a front view structural diagram of the present invention; Figure 2 This is a schematic diagram of the structure of this utility model from below; Figure 3 This is a schematic diagram of the rear view structure of this utility model; Figure 4 This is a schematic diagram of the first perspective structure of the angle adjustment component of this utility model; Figure 5 This is a schematic diagram of the second perspective structure of the angle adjustment component of this utility model; Figure 6 This is a schematic diagram of the fixing component structure of this utility model; Figure 7 for Figure 1 Enlarged structural diagram at point A in the middle.

[0016] In the diagram: 100, straightening table; 200, fixing frame; 300, first drive assembly; 301, second drive assembly; 400, angle adjustment assembly; 401, T-shaped plate; 402, L-shaped plate; 403, electric push rod; 404, rack; 405, gear; 406, mounting block; 407, hydraulic cylinder; 408, straightening wheel; 500, forward and reverse lead screws; 501, crank handle; 502, threaded block; 600, fixing assembly; 601, side plate; 602, extension plate; 603, vertical plate; 604, horizontal plate; 605, cylinder; 606, arc-shaped clamp; 607, spring. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example 1: Please refer to the following: Figures 1-7This utility model provides a technical solution: a straightening device for processing rocker arm shafts, including a straightening table 100, a straightening wheel 408, a fixing frame 200, and an angle adjustment assembly 400. The straightening wheel 408 is located above the straightening table 100 and is used to straighten the rocker arm shaft. The fixing frame 200 is located above the straightening table 100. A first drive assembly 300 is installed on the top downward-facing outer surface of the fixing frame 200. A second drive assembly 301 is installed at the output end of the first drive assembly 300. The first drive assembly 300 and the second drive assembly 301 are staggered. The first drive assembly 300 and the second drive assembly 301 are respectively used to adjust the straightening wheel 408. 8. In the X-axis and Y-axis directions, both the first drive assembly 300 and the second drive assembly 301 are electric linear guides. The angle adjustment assembly 400 is located at the output end of the second drive assembly 301 and is used to adjust the tilt angle of the straightening wheel 408. Specifically, the first drive assembly 300 and the second drive assembly 301 adjust the X-axis and Y-axis positions of the straightening wheel 408 respectively, so that the straightening wheel 408 is located above the rocker arm shaft. The tilt angle of the straightening wheel 408 is adjusted by the angle adjustment assembly 400, so that the straightening wheel 408 contacts different surfaces of the rocker arm shaft, thereby completing the straightening process of the same rocker arm wheel in different directions.

[0019] Furthermore, the angle adjustment assembly 400 includes a T-shaped plate 401 installed at the output end of the second drive assembly 301. An L-shaped plate 402 is fixedly connected to the side of the T-shaped plate 401. An electric push rod 403 is fixedly installed on the outer surface of the L-shaped plate 402. A rack 404 is installed at the output end of the electric push rod 403. A support shaft rotatably passes through the outer surface of the T-shaped plate 401. A gear 405 is fixedly sleeved at one end of the support shaft. The rack 404 and the outer surface of the gear 405 are movably meshed. Specifically, the angle adjustment assembly 400 adjusts the tilt angle of the straightening wheel 408 so that the straightening wheel 408 contacts different surfaces of the rocker arm shaft. At this time, the electric push rod 403 drives the straightening wheel 408 to rotate. The moving rack 404 moves, meshing with the gear 405, causing the gear 405 to rotate. When the gear 405 rotates, the mounting block 406 rotates, thereby adjusting the tilt angle of the straightening wheel 408. The second drive assembly 301 adjusts the position of the straightening wheel 408 in the Y-axis direction until the hydraulic cylinder 407 works to drive the straightening wheel 408 to contact the surface of the rocker arm shaft. Then, the first drive assembly 300 drives the straightening wheel 408 to move, causing the straightening wheel 408 to reciprocate on the surface of the rocker arm shaft to straighten the rocker arm shaft. This allows for adjusting the contact surface between the straightening wheel 408 and the rocker arm shaft, thus enabling straightening of the same rocker arm wheel in different directions.

[0020] Furthermore, a mounting block 406 is fixedly connected to the other end of the support shaft. A hydraulic cylinder 407 is mounted on the outer surface of the mounting block 406. A straightening wheel 408 is mounted on the output end of the hydraulic cylinder 407. Specifically, the straightening wheel 408 is moved by the hydraulic cylinder 407 to adjust the distance of the straightening wheel 408 in the Z-axis direction.

[0021] Furthermore, the top of the straightening table 100 is provided with two fixing components 600, which are used to fix the rocker arm shaft.

[0022] Furthermore, a position adjustment component is provided above the straightening table 100, which is used to adjust the distance between the two fixed components 600.

[0023] The position adjustment assembly includes two fixed plates mounted above the straightening table 100. A positive and negative lead screw 500 is rotatably connected between the two fixed plates. A crank handle 501 is fixedly connected to the outer surface of the positive and negative lead screw 500. Two threaded blocks 502 are threadedly connected to the outer surface of the positive and negative lead screw 500. A fixing assembly 600 is mounted above the threaded blocks 502. Specifically, when fixing the rocker arm shaft, the crank handle 501 is rotated according to the length of the rocker arm shaft. The crank handle 501 drives the positive and negative lead screw 500 to rotate. When the positive and negative lead screw 500 rotates, the threaded blocks 502 move, causing the two threaded blocks 502 to move away from or towards each other, thereby adjusting the distance between the two fixing assemblies 600 so that both ends of the rocker arm shaft can be located on the two fixing assemblies 600.

[0024] Furthermore, the fixing assembly 600 includes a side plate 601 fixed above the threaded block 502. The outer surfaces of the two side plates 601 are fixedly connected to extension plates 602 for supporting the rocker arm shaft. The top outer surface of the extension plates 602 is fixedly connected to a vertical plate 603. The side of the vertical plate 603 away from the side plate 601 is fixedly connected to a horizontal plate 604. A cylinder 605 is installed on the outer surface of the horizontal plate 604. An arc-shaped clamping plate 606 for pressing the rocker arm shaft is installed at the output end of the cylinder 605. Specifically, the two ends of the rocker arm shaft are respectively placed on the two extension plates 602. The cylinder 605 works and drives the arc-shaped clamping plate 606 to move, so that the arc-shaped clamping plate 606 presses the rocker arm shaft onto the extension plates 602.

[0025] Furthermore, springs 607 are fixedly connected to the opposite outer surfaces of the two side plates 601. The other end of the springs 607 is fixedly connected to the vertical plate 603. A guide rod is movably passed through the outer surface of the side plates 601. The other end of the guide rod is fixedly connected to the vertical plate 603. The springs 607 are sleeved on the outer surface of the guide rod. Specifically, during the straightening process of the rocker arm shaft, the length of the rocker arm shaft will increase slightly. As a result, the springs 607 deform during the straightening process, causing the vertical plate 603 to move, providing space for the increase in the length of the rocker arm shaft. When the vertical plate 603 moves and causes the springs 607 to deform, the guide rod slides inside the side plates 601 as the vertical plate 603 moves. The guide rod guides the springs 607, preventing the springs 607 from tilting.

[0026] Working Principle: In use, the rocker arm shaft to be straightened is fixed. The X-axis and Y-axis positions of the straightening wheel 408 are adjusted by the first drive assembly 300 and the second drive assembly 301, respectively, so that the straightening wheel 408 is positioned above the rocker arm shaft. The hydraulic cylinder 407 drives the straightening wheel 408 downward, bringing it into contact with the rocker arm shaft. The first drive assembly 300 drives the straightening wheel 408 to move, causing it to reciprocate on the surface of the rocker arm shaft. The hydraulic cylinder 407 applies a slight force to the rocker arm shaft, straightening the bent parts. The angle adjustment assembly 400 adjusts the tilt angle of the straightening wheel 408, ensuring that the straightening wheel 408 is in contact with the rocker arm shaft. Different surfaces of the rocker arm shaft come into contact. At this time, the electric push rod 403 drives the rack 404 to move. The rack 404 meshes with the gear 405, causing the gear 405 to rotate. When the gear 405 rotates, the mounting block 406 rotates, thereby adjusting the tilt angle of the straightening wheel 408. The second drive assembly 301 adjusts the position of the straightening wheel 408 in the Y-axis direction until the hydraulic cylinder 407 works to drive the straightening wheel 408 to contact the surface of the rocker arm shaft. Then, the first drive assembly 300 drives the straightening wheel 408 to move, causing the straightening wheel 408 to move back and forth on the surface of the rocker arm shaft to straighten the rocker arm shaft. This allows the contact surface between the straightening wheel 408 and the rocker arm shaft to be adjusted, thus completing the straightening treatment of the same rocker arm wheel in different directions.

[0027] When fixing the rocker arm shaft, first, according to the length of the rocker arm shaft, turn the handle 501. The handle 501 drives the positive and negative lead screws 500 to rotate. When the positive and negative lead screws 500 rotate, the threaded blocks 502 move, causing the two threaded blocks 502 to move away from or towards each other, thereby adjusting the distance between the two fixing components 600 so that the two ends of the rocker arm shaft can be located on the two fixing components 600. Then, place the two ends of the rocker arm shaft on the two extension plates 602 respectively. Through the operation of the cylinder 605, the cylinder 605 drives the arc-shaped clamping plate 606 to move, so that the arc-shaped clamping plate 606 presses the rocker arm shaft onto the extension plate 602. During the straightening process of the rocker arm shaft, the length of the rocker arm shaft will increase slightly. Thus, when the rocker arm shaft is straightened, the spring 607 deforms, providing space for the increase in the length of the rocker arm shaft.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A straightening device for machining rocker arm shafts, characterized in that, include: Straightening table (100); A straightening wheel (408) is located above the straightening table (100) and is used to straighten the rocker arm shaft. A fixed frame (200) is located above the straightening table (100). A first drive assembly (300) is installed on the top of the fixed frame (200) facing downward. A second drive assembly (301) is installed at the output end of the first drive assembly (300). The first drive assembly (300) and the second drive assembly (301) are arranged alternately. The first drive assembly (300) and the second drive assembly (301) are used to adjust the position of the straightening wheel (408) in the X-axis direction and the Y-axis direction, respectively. The first drive assembly (300) and the second drive assembly (301) are both electric linear slide rails. An angle adjustment component (400) is located at the output end of the second drive component (301) and is used to adjust the tilt angle of the straightening wheel (408).

2. The straightening device for machining a rocker arm shaft according to claim 1, characterized in that: The angle adjustment assembly (400) includes a T-shaped plate (401) installed at the output end of the second drive assembly (301). An L-shaped plate (402) is fixedly connected to the side of the T-shaped plate (401). An electric push rod (403) is fixedly installed on the outer surface of the L-shaped plate (402). A rack (404) is installed at the output end of the electric push rod (403). A support shaft rotatably passes through the outer surface of the T-shaped plate (401). A gear (405) is fixedly sleeved at one end of the support shaft. The rack (404) and the outer surface of the gear (405) are movably meshed.

3. The straightening device for machining a rocker arm shaft according to claim 2, characterized in that: The other end of the support shaft is fixedly connected to a mounting block (406), and a hydraulic cylinder (407) is mounted on the outer surface of the mounting block (406). The straightening wheel (408) is mounted on the output end of the hydraulic cylinder (407).

4. The straightening device for machining a rocker arm shaft according to claim 1, characterized in that: The top of the straightening table (100) is provided with two fixing components (600), which are used to fix the rocker arm shaft.

5. A straightening device for machining a rocker arm shaft according to claim 4, characterized in that: A position adjustment component is provided above the straightening table (100), which is used to adjust the distance between the two fixed components (600).

6. A straightening device for machining a rocker arm shaft according to claim 5, characterized in that: The position adjustment assembly includes two fixed plates disposed above the straightening table (100), and a positive and negative lead screw (500) is rotatably connected between the two fixed plates. A crank handle (501) is fixedly connected to the outer surface of the positive and negative lead screw (500), and two threaded blocks (502) are threadedly connected to the outer surface of the positive and negative lead screw (500). The fixing assembly (600) is disposed above the threaded blocks (502).

7. A straightening device for machining a rocker arm shaft according to claim 4, characterized in that: The fixing assembly (600) includes a side plate (601) fixed above the threaded block (502). An extension plate (602) for mounting the rocker arm shaft is fixedly connected to the outer surfaces of the two side plates (601). A vertical plate (603) is fixedly connected to the top outer surface of the extension plate (602). A horizontal plate (604) is fixedly connected to the side of the vertical plate (603) away from the side plate (601). A cylinder (605) is installed on the outer surface of the horizontal plate (604). An arc-shaped clamping plate (606) for pressing the rocker arm shaft is installed at the output end of the cylinder (605).

8. A straightening device for machining a rocker arm shaft according to claim 7, characterized in that: Springs (607) are fixedly connected to the outer surfaces of the two side plates (601) facing each other. The other end of the springs (607) is fixedly connected to the vertical plate (603). A guide rod is movably passed through the outer surface of the side plates (601). The other end of the guide rod is fixedly connected to the vertical plate (603). The springs (607) are sleeved on the outer surface of the guide rod.

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