Positioning tool and disassembly and assembly equipment for rocker arm

By designing an adjustable positioning tool, the coordination of sliders and slide chutes is used to solve the problem that existing positioning tooling is not universal, and the adaptation of different models of rocker arms is achieved, which improves installation efficiency and reduces costs.

CN222610502UActive Publication Date: 2025-03-14CHINA TOBACCO GUIZHOU IND
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Patent Information

Application Number
CN202421022519.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2025-03-14
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

The existing positioning tooling is not versatile, resulting in different mounting hole sizes of different models of rocker arms. It is necessary to customize and replace the corresponding size of positioning tooling, resulting in reduced installation efficiency and higher cost.

Method used

A positioning tool is provided, including a main body, a slider and a slider. Through the sliding of the slider in the slider and the coordination of the adjusting parts, the positioning of the installation holes of different sizes is achieved without changing the positioning tool.

Benefits of technology

It improves installation efficiency, reduces costs, and can adapt to the installation hole sizes of different models of rocker arms without the need for customization and replacement of positioning tools.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a positioning tool which comprises a main body and at least two sliding blocks, the main body is provided with a through hole penetrating through the main body, the upper surface of the main body is provided with at least two sliding grooves, the sliding grooves are arranged around the through hole, and the end portions of the sliding grooves are communicated with the through hole. The number of the sliding blocks is equal to the number of the sliding grooves, the sliding blocks and the sliding grooves are in one-to-one correspondence, the sliding blocks are arranged in the sliding grooves in a sliding mode, the upper surface of each sliding block is provided with a positioning protrusion, when the sliding blocks move to preset positions, the positioning protrusions can be inserted into the mounting holes, the side walls of the positioning protrusions are attached to the inner walls of the mounting holes, and the sliding blocks are arranged in the sliding grooves in a sliding mode. The rocker arm is limited to move in the direction parallel to the upper surface of the body. The positioning tool provided by the utility model can be used for positioning rocker arms of different models so as to mount a rubber rod, the positioning tool does not need to be replaced, the mounting efficiency is improved, and the cost is reduced. The utility model further provides dismounting equipment for the rocker arm.
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Description

Technical Field

[0001] The utility model relates to the technical field of cigarette production, in particular to a positioning tool and a disassembly and assembly device for a rocker arm. Background Art

[0002] In the cigarette shred production line, the vibrating conveyor is one of the most important equipment. The vibrating conveyor is used to transport and loosen materials. The vibrating conveyor mainly includes a vibration trough, a frame and a rocker arm. The rocker arm is used to connect the vibration trough and the frame. There are multiple mounting holes on the rocker arm. The rubber rod is installed in the mounting hole through a mounting bracket. The mounting bracket includes a support and a base. The support can be inserted into the mounting hole. The rubber rod is located between the inner wall of the mounting hole and the outer wall of the support. The rubber rod plays a role in transmitting power and buffering during vibration. During the operation of the rocker arm, the support will squeeze and rub against the rubber rod, and the rubber rod will be deformed and worn under force, which will cause the vibration conveyor to reduce the conveying frequency and amplitude. In order to avoid the reduction of the working efficiency of the vibration conveyor, the staff will often replace the rubber rod and reassemble the rocker arm.

[0003] At present, when installing the rubber rod, a positioning tool is used to position the rocker arm so that the mounting hole on the rocker arm is located on the installation position to facilitate the installation of the rubber rod. However, the existing positioning tool is not universal. The mounting hole sizes of rocker arms of different models are different. Therefore, it is necessary to customize and replace the positioning tool of the corresponding size, which reduces the installation efficiency and is high in cost. Utility Model Content

[0004] The purpose of the utility model is to solve the technical problem that when installing the rocker arm rubber rod, it is necessary to customize and replace positioning tools of different sizes, resulting in low installation efficiency and high cost. The utility model provides a positioning tool and a disassembly and assembly device for the rocker arm, which can position rockers of different models to install the rubber rod without replacing the positioning tool, thereby improving the installation efficiency and reducing the cost.

[0005] The embodiment of the utility model provides a positioning tool for positioning a rocker arm, wherein the rocker arm is provided with a mounting hole penetrating the rocker arm along a first direction, wherein the first direction is perpendicular to the upper surface of the rocker arm, and the positioning tool comprises:

[0006] A main body, on which a through hole is provided that penetrates the main body, and at least two slide grooves are provided on the upper surface of the main body, each slide groove is arranged around the through hole, and the end of the slide groove is connected to the through hole;

[0007] At least two sliders, the number of sliders is equal to the number of slide grooves and corresponds one to one, each slider can be slidably arranged in each slide groove, and a positioning protrusion is provided on the upper surface of each slider. When each slider moves to a preset position, each positioning protrusion can be inserted into the mounting hole, and the side wall of the positioning protrusion fits with the inner wall of the mounting hole to limit the movement of the rocker arm in a direction parallel to the upper surface of the main body.

[0008] According to another specific embodiment of the present invention, four slide grooves and four sliders are provided, and the slide grooves are arranged in sequence and at intervals around the through hole, and the sliders are slidably arranged in the slide grooves.

[0009] According to another specific embodiment of the utility model, each slide groove is provided with an adjusting member, and each adjusting member is slidably connected to a slider in the slide groove where it is located. The adjusting member can drive the slider to slide along the slide groove to slide the slider to a preset position.

[0010] According to another specific embodiment of the present utility model, the adjusting member is a screw rod, and a positioning hole is provided on the side wall of the end of the slide groove away from the through hole, which passes through the side wall along the extension direction of the slide groove. The adjusting member is inserted into the positioning hole and can rotate in the positioning hole. A threaded hole is provided on the slider, which passes through the slider along the extension direction of the slide groove. The adjusting member is inserted into the threaded hole and is threadedly connected to the threaded hole.

[0011] The embodiment of the utility model further provides a disassembly and assembly device for a rocker arm, which is used for disassembly and assembly of a rubber rod and a mounting bracket in the rocker arm, wherein the mounting bracket includes a support member and a base, wherein the rubber rod and the support member are both inserted into a mounting hole on the rocker arm, and the side surface of the support member can contact the rubber rod to position the rubber rod, and the disassembly and assembly device includes any of the aforementioned positioning tools, and further includes:

[0012] A workbench is provided above which a gantry is provided, the gantry comprising a horizontally extending crossbar;

[0013] A clamping mechanism is arranged on the workbench, and is used to clamp the base on the mounting bracket to fix the rocker arm, and is also used to fix the positioning tooling;

[0014] The punching mechanism is slidably connected with the cross bar. The punching mechanism is located above the clamping mechanism. The punching mechanism is used to press the support member out of the mounting hole so that the rubber rod falls off the mounting hole, or press the support member into the mounting hole so that the rubber rod is fixed in the mounting hole.

[0015] According to another specific embodiment of the utility model, the clamping mechanism includes a first clamp and a second clamp arranged in sequence along the second direction, and the first clamp and the second clamp are both slidably connected to the workbench. The first clamp and the second clamp can move toward each other along the second direction to clamp the base or positioning tooling.

[0016] According to another specific embodiment of the utility model, the stamping mechanism includes:

[0017] A telescopic pressure rod extends in a vertical direction, is located above the clamping mechanism, and can be telescoped in a vertical direction;

[0018] A hydraulic pump is connected to the telescopic pressure rod. The hydraulic pump is used to provide a force to the telescopic pressure rod so that the telescopic pressure rod applies a force to the mounting bracket. The hydraulic pump is slidably connected to the cross bar. The hydraulic pump can drive the telescopic pressure rod to slide along the extension direction of the cross bar.

[0019] According to another specific embodiment of the utility model, a punch is provided at the lower end of the telescopic pressure rod. When the telescopic pressure rod is extended, the punch can contact the mounting bracket so as to apply a force to the mounting bracket.

[0020] According to another specific embodiment of the utility model, two limiting protrusions are provided on the upper surface of the positioning protrusion. When the positioning protrusion is inserted into the mounting hole, the two limiting protrusions on each positioning protrusion and the upper surface of the positioning protrusion can enclose an installation area, and the installation area is used to limit the rubber rod.

[0021] According to another specific embodiment of the utility model, it also includes a material receiving box, which is arranged on the workbench and is located below the clamping mechanism.

[0022] According to another specific embodiment of the utility model, a plurality of pulleys are provided at the bottom of the workbench, and the pulleys are used to drive the workbench to move.

[0023] Compared with the prior art, the utility model has the following beneficial effects:

[0024] The positioning fixture provided by the utility model includes a main body provided with a through hole and a slide groove and a slider provided in the slide groove. When the rubber rod needs to be installed, each slider is moved to a preset position, and then the rocker arm is placed on the positioning fixture, and the positioning protrusion is inserted into the mounting hole to position the rocker arm, and then the rubber rod and the support member on the mounting bracket are installed in the mounting hole to complete the installation of the rubber rod. When the rocker arm model is different, the position of each positioning protrusion can be changed by adjusting the preset position of each slider to adapt to the installation holes of different sizes, so that the positioning protrusion can position the installation holes of different sizes without changing the positioning fixture, thereby improving efficiency and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram showing a positioning tool provided by an embodiment of the utility model is shown;

[0026] Figure 2 Show Figure 1 A partial enlarged view of the middle M part;

[0027] Figure 3 A schematic diagram of a rocker arm provided in one embodiment of the utility model is shown;

[0028] Figure 4 A schematic diagram showing a mounting bracket provided by an embodiment of the utility model is shown;

[0029] Figure 5 A schematic diagram showing a disassembly and assembly device provided by an embodiment of the utility model is shown;

[0030] Figure 6 Show Figure 5 A partial enlarged view of the N part;

[0031] Figure 7 The working diagram of the disassembly and assembly device provided by an embodiment of the utility model is shown as follows Figure 1 ;

[0032] Figure 8 Show Figure 7 A partial enlarged view of part B;

[0033] Fig. 9 The working diagram of the disassembly and assembly device provided by an embodiment of the utility model is shown as follows Figure 2 .

[0034] Reference numerals:

[0035] 1. Main body; 2. Through hole; 3. Slide groove; 31. Adjustment piece; 32. Positioning hole; 4. Slider; 5. Positioning protrusion; 51. Limiting protrusion; 6. Rocker arm; 61. Mounting hole; 7. Mounting bracket; 71. Support piece; 72. Base; 8. Rubber rod; 9. Positioning tooling; 10. Workbench; 111. First clamp; 112. Second clamp; 121. Telescopic pressure rod; 122. Hydraulic pump; 13. Gantry; 14. Cross bar; 15. Punch; 16. Material receiving box; 17. Pulley. DETAILED DESCRIPTION

[0036] The following is an explanation of the implementation of the present invention by specific specific embodiments. Those skilled in the art can easily understand other advantages and functions of the present invention from the contents disclosed in this specification. Although the description of the present invention will be introduced in conjunction with the preferred embodiment, this does not mean that the features of this utility model are limited to this implementation. On the contrary, the purpose of introducing the utility model in conjunction with the implementation is to cover other options or modifications that may be extended based on the claims of the present invention. In order to provide a deep understanding of the present invention, the following description will include many specific details. The present invention can also be implemented without using these details. In addition, in order to avoid confusion or blurring the focus of the present invention, some specific details will be omitted in the description. It should be noted that, in the absence of conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0037] It should be noted that in this specification, similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0038] The terms “first”, “second”, etc. are only used for distinguishing descriptions and should not be understood as indicating or implying relative importance.

[0039] In the description of this embodiment, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances.

[0040] At present, when installing the rubber rod, a positioning tool is used to position the rocker arm so that the mounting hole on the rocker arm is located on the installation position to facilitate the installation of the rubber rod. However, the existing positioning tool is not universal. The mounting hole sizes of rocker arms of different models are different. Therefore, it is necessary to customize and replace the positioning tool of the corresponding size, which reduces the installation efficiency and is high in cost.

[0041] In order to solve the above technical problems, the utility model provides a positioning tool and a disassembly and assembly device for a rocker arm, which can position rocker arms of different models to install rubber rods without replacing the positioning tool, thereby improving installation efficiency and reducing costs.

[0042] In order to make the technical solution and advantages of the present invention more clear, the implementation methods of the present invention are described in further detail below.

[0043] refer to Figures 1 to 3 The embodiment of the utility model provides a positioning tool for positioning the rocker arm 6, and the rocker arm 6 is provided with a first direction (such as Figure 3 The first direction is perpendicular to the upper surface of the rocker arm 6, and the positioning tool 9 includes a main body 1 and at least two sliders 4. The main body 1 is provided with a through hole 2 penetrating the main body 1, and the upper surface of the main body 1 is provided with at least two slide grooves 3, each of which is arranged around the through hole 2, and the end of the slide groove 3 is connected to the through hole 2. The number of sliders 4 is equal to the number of slide grooves 3 and corresponds to each other. For example, refer to Figure 1 There are four slide grooves 3 and four sliders 4, and each slide groove 3 is arranged in sequence around the through hole 2. Each slider 4 is slidably arranged in each slide groove 3. A positioning protrusion 5 is provided on the upper surface of each slider 4. When each slider 4 moves to a preset position, each positioning protrusion 5 can be inserted into the mounting hole 61, and the side wall of the positioning protrusion 5 fits with the inner wall of the mounting hole 61 to limit the movement of the rocker arm 6 in a direction parallel to the upper surface of the main body 1, thereby realizing the positioning of the rocker arm 6.

[0044] refer to Figures 3 to 6 The embodiment of the utility model further provides a disassembly and assembly device for a rocker arm, which is used for disassembly and assembly of the rubber rod 8 and the mounting bracket 7 in the rocker arm 6. The mounting bracket 7 includes a support member 71 and a base 72. The rubber rod 8 and the support member 71 are both inserted into the mounting hole 61 on the rocker arm 6, and the side of the support member 71 can contact the rubber rod 8 to position the rubber rod 8. The disassembly and assembly device includes the positioning tool 9 provided by the utility model. The disassembly and assembly device also includes a workbench 10, a clamping mechanism and a stamping mechanism. A gantry 13 is also provided above the workbench 10. The gantry 13 includes a plurality of holes along the horizontal direction (such as Figure 5 The cross bar 14 extends in the direction of A in the figure. The clamping mechanism is arranged on the workbench 10. When the rubber rod 8 is to be removed, the clamping mechanism is used to limit the base 72 on the mounting bracket 7 to prevent the rocker arm 6 from shaking; when the rubber rod 8 is to be installed, the clamping mechanism is used to clamp the positioning tool 9.

[0045] The stamping mechanism is slidably connected to the cross bar 14, and the stamping mechanism is located above the clamping mechanism. When the rubber rod 8 is to be removed, the stamping mechanism can apply a force to the mounting bracket 7 to press the support member 71 out of the mounting hole 61, so that the rubber rod 8 falls off the mounting hole 61; when the rubber rod 8 is to be installed, the stamping mechanism can press the support member 71 into the mounting hole 61, so that the rubber rod 8 is fixed in the mounting hole 61.

[0046] Specifically, refer to Figures 5 to 7 The clamping mechanism includes a second direction (such as Figure 5The first clamp 111 and the second clamp 112 are sequentially arranged in the vertical direction (as shown in the Y direction in FIG. 1 ), and the first clamp 111 and the second clamp 112 are slidably connected to the workbench 10. The first clamp 111 and the second clamp 112 can move toward each other along the second direction. The stamping mechanism includes a telescopic pressure rod 121 and a hydraulic pump 122. The telescopic pressure rod 121 is arranged in the vertical direction (as shown in the Y direction in FIG. 1 ). Figure 7 The telescopic pressure rod 121 is located above the clamping mechanism, and the telescopic pressure rod 121 can be extended in the vertical direction. The hydraulic pump 122 is connected to the telescopic pressure rod 121, and the hydraulic pump 122 is used to provide a force to the telescopic pressure rod 121, so that the telescopic pressure rod 121 can apply a force to the mounting bracket 7. The hydraulic pump 122 is slidably connected to the cross bar 14, and the hydraulic pump 122 can drive the telescopic pressure rod 121 to slide along the extension direction of the cross bar 14.

[0047] When the rubber rod 8 on the rocker arm 6 needs to be replaced, the base 72 on the mounting bracket 7 is extended between the first clamp 111 and the second clamp 112, so that the base 72 can be limited by the side walls of the first clamp 111 and the second clamp 112. At this time, the rocker arm 6 is placed on the clamping mechanism, and the mounting hole 61 is located below the stamping mechanism. Subsequently, the stamping mechanism applies a force to the support member 71 located in the mounting hole 61 to press the support member 71 out, thereby removing the mounting bracket 7 from the rocker arm 6. The old rubber rod 8 loses the support of the support member 71 and can fall off from the mounting hole 61, thus completing the removal of the old rubber rod. Before installing a new rubber rod, first remove the rocker arm 6 from the clamping mechanism, then fix the positioning fixture 9 on the clamping mechanism, move each slider 4 on the positioning fixture 9 to a preset position, then place the rocker arm 6 on the positioning fixture 9, and insert the positioning protrusion 5 into the mounting hole 61 to position the rocker arm 6, then place the new rubber rod 8 into the mounting hole 61, and then align the support member 71 on the mounting bracket 7 with the mounting hole 61, then apply a force to the mounting bracket 7 through the stamping mechanism to press the support member 71 into the mounting hole 61, then remove the rocker arm 6 from the positioning fixture 9, and the installation of the new rubber rod is completed. When the rocker arm 6 is of different models, the positions of each positioning protrusion 5 can be changed by adjusting the preset positions of each slider 4 to adapt to mounting holes 61 of different sizes, without replacing the positioning fixture 9, thereby improving efficiency and reducing costs.

[0048] Optionally, refer to Figure 1 Each slide groove 3 is provided with an adjusting member 31, and each adjusting member 31 is slidably connected to a slider 4 in the slide groove 3 where it is located. The adjusting member 31 can drive the slider 4 to slide along the slide groove 3 so that the slider 4 slides to a preset position. For example, referring to Figure 1The adjusting member 31 is a screw rod. A positioning hole 32 is provided on one end wall of the slideway 3 away from the through hole 2 and penetrates the end wall along the extension direction of the slideway 3. The adjusting member 31 is inserted into the positioning hole 32 and can rotate in the positioning hole 32. The slider 4 is provided with a threaded hole that penetrates the slider 4 along the extension direction of the slideway 3. The adjusting member 31 is inserted into the threaded hole and is threadedly connected with the threaded hole. The utility model provides the adjusting member 31, and the position of the slider 4 can be adjusted by rotating the adjusting member 31. When the size of the mounting hole 61 on the rocker arm 6 is different, the position of each positioning protrusion 5 can be changed by adjusting the preset position of each slider 4 to adapt to the mounting holes 61 of different sizes.

[0049] Optionally, refer to Figure 7 and Figure 8 The lower end of the telescopic pressure rod 121 is provided with a punch 15, and the punch 15 is detachably connected to the telescopic pressure rod 121. The punch 15 can partially extend into the support member 71 so as to press the support member 71 out of the mounting hole 61. When it is necessary to press the support member 71 out of the mounting hole 61 so that the old rubber rod can fall off from the mounting hole 61, the punch 15 is connected to the telescopic pressure rod 121, and the punch 15 is aligned with the support member 71. Then, the telescopic pressure rod 121 is driven by the hydraulic pump 122 to gradually extend in the direction close to the support member 71, so that the punch 15 partially extends into the support member 71 and exerts downward pressure on the support member 71 to press the support member 71 out of the mounting hole 61. Figure 7 and Figure 8 When it is necessary to press the support member 71 into the mounting hole 61 to fix the new rubber rod, the punch 15 can be removed from the telescopic pressure rod 121, so that the telescopic pressure rod 121 is directly aligned with the base 72 on the mounting bracket 7, and pressure is applied to the base 72 to press the support member 71 into the mounting hole 61, as shown. Fig. 9 As shown. The utility model provides a punching mechanism to facilitate applying force to the mounting bracket 7, so that the support member 71 is pressed out of the mounting hole 61 or the support member 71 is pressed into the mounting hole 61, so as to disassemble and install the rubber rod 8. The utility model also provides a punch 15 at the lower end of the telescopic pressure rod 121, so that when the support member 71 is pressed out of the mounting hole 61, it is convenient to apply force to the support member 71, so that the support member 71 can be completely pressed out of the mounting hole 61.

[0050] Optionally, refer to Figure 1 and Figure 2 Two limiting protrusions 51 are provided on the upper surface of the positioning protrusion 5. When the positioning protrusion 5 is inserted into the mounting hole 61, the side walls of the two limiting protrusions 51 on each positioning protrusion 5 and the upper surface of the positioning protrusion 5 can enclose a mounting area (such as Figure 2The installation area L is used to limit the position of the rubber rod 8. When installing the rubber rod 8, after the positioning protrusion 5 is inserted into the installation hole 61, the rubber rod 8 can be placed in the installation area L to fix the rubber rod 8 and prevent the rubber rod 8 from tipping over in the installation hole 61 before the support member 71 is inserted. The utility model can prevent the rubber rod 8 from tipping over in the installation hole 61 by setting the limiting protrusion 51, and the operator does not need to hold the rubber rod 8 by hand.

[0051] Optionally, refer to Figure 5 , further comprising a material receiving box 16, which is arranged on the workbench 10 and is located below the clamping mechanism. When disassembling the old rubber rod, the mounting bracket 7 and the old rubber rod that are separated from the mounting hole 61 can fall into the material receiving box 16 to avoid falling on the production site.

[0052] Optionally, refer to Figure 5 A plurality of pulleys 17 are provided at the bottom of the workbench 10, and the pulleys 17 are used to drive the workbench 10 to move. The utility model is convenient for moving the disassembly and assembly equipment close to the rocker arm 6 by providing pulleys, thereby reducing the workload of carrying the rocker arm 6, saving manpower, and improving efficiency.

[0053] Although the present invention has been illustrated and described with reference to certain preferred embodiments of the present invention, it should be understood by those skilled in the art that the above contents are further detailed descriptions of the present invention in combination with specific embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. Those skilled in the art may make various changes in form and details, including making several simple deductions or substitutions, without departing from the spirit and scope of the present invention.

Claims

1. A positioning tool for positioning a rocker arm, wherein the rocker arm is provided with a mounting hole penetrating the rocker arm along a first direction, wherein the first direction is perpendicular to the upper surface of the rocker arm, and wherein: The positioning tooling comprises: A main body, on which a through hole is provided that penetrates the main body, and at least two slide grooves are provided on the upper surface of the main body, each of the slide grooves is arranged around the through hole, and the ends of the slide grooves are connected to the through hole; At least two sliders, the number of the sliders is equal to and corresponds to the number of the slide grooves, each slider is slidably arranged in each slide groove, and a positioning protrusion is provided on the upper surface of each slider. When each slider moves to a preset position, each positioning protrusion can be inserted into the mounting hole, and the side wall of the positioning protrusion fits with the inner wall of the mounting hole to limit the movement of the rocker arm in a direction parallel to the upper surface of the main body.

2. The positioning tool as claimed in claim 1, characterized in that: There are four slide grooves and four sliders, and the slide grooves are arranged in sequence around the through hole at intervals, and the sliders are slidably arranged in the slide grooves.

3. The positioning tool as claimed in claim 2, characterized in that: An adjusting member is provided in each of the slide grooves, and each of the adjusting members is slidably connected to the slider in the slide groove where it is located. The adjusting member can drive the slider to slide along the slide groove so that the slider slides to the preset position.

4. The positioning tool as claimed in claim 3, characterized in that: The adjusting member is a screw rod, and a positioning hole is provided on the side wall of the slide groove at one end away from the through hole and passes through the side wall along the extension direction of the slide groove. The adjusting member is inserted into the positioning hole and can rotate in the positioning hole. The slider is provided with a threaded hole that passes through the slider along the extension direction of the slide groove. The adjusting member is inserted into the threaded hole and is threadedly connected to the threaded hole.

5. A disassembly and assembly device for a rocker arm, used for disassembly and assembly of a rubber rod and a mounting bracket in the rocker arm, the mounting bracket comprising a support member and a base, the rubber rod and the support member are both inserted into the mounting hole on the rocker arm, and the side surface of the support member can contact the rubber rod to position the rubber rod; characterized in that: The disassembly and assembly equipment comprises the positioning tool according to any one of claims 1 to 4, and further comprises: A workbench, above which a gantry is provided, wherein the gantry includes a horizontally extending crossbar; A clamping mechanism, disposed on the workbench, for clamping the base on the mounting bracket to fix the rocker arm, and for fixing the positioning tool; A stamping mechanism is slidably connected to the cross bar, and the stamping mechanism is located above the clamping mechanism. The stamping mechanism is used to press the support member out of the mounting hole, or press the support member into the mounting hole.

6. The disassembly and assembly device according to claim 5, characterized in that: The clamping mechanism includes a first clamp and a second clamp arranged in sequence along a second direction, the first clamp and the second clamp are both slidably connected to the workbench, and the first clamp and the second clamp can move toward each other along the second direction to clamp the base or the positioning tooling.

7. The disassembly and assembly device according to claim 6, characterized in that: The stamping mechanism comprises: A telescopic pressure rod extending in a vertical direction, the telescopic pressure rod is located above the clamping mechanism, and the telescopic pressure rod can be telescoped in the vertical direction; A hydraulic pump is connected to the telescopic pressure rod, and is used to provide a force to the telescopic pressure rod so that the telescopic pressure rod applies a force to the mounting bracket; the hydraulic pump is slidably connected to the cross bar, and the hydraulic pump can drive the telescopic pressure rod to slide along the extension direction of the cross bar.

8. The disassembly and assembly device according to claim 7, characterized in that: A punch is provided at the lower end of the telescopic pressure rod. When the telescopic pressure rod is extended, the punch can contact the mounting bracket to apply a force to the mounting bracket.

9. The disassembly and assembly device according to claim 8, characterized in that: Two limiting protrusions are provided on the upper surface of the positioning protrusion. When the positioning protrusion is inserted into the mounting hole, the side walls of the two limiting protrusions on each positioning protrusion and the upper surface of the positioning protrusion can enclose an installation area, and the installation area is used to limit the rubber rod.

10. The disassembly and assembly device according to claim 9, characterized in that: It also includes a material receiving box, which is arranged below the clamping mechanism.

11. The disassembly and assembly device according to claim 10, characterized in that: A plurality of pulleys are arranged at the bottom of the workbench, and the pulleys are used to drive the workbench to move.