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CN-121989183-A - Disassembling tool and disassembling method

CN121989183ACN 121989183 ACN121989183 ACN 121989183ACN-121989183-A

Abstract

The application provides a disassembly tool and a disassembly method, which can improve the reliability of grabbing parts during disassembly and reduce damage. The technical scheme provides a disassembly tool, which comprises a grabbing component and a supporting component, wherein the grabbing component and the supporting component are coaxially arranged, the grabbing component comprises a main body part and an elastic grabbing part, the elastic grabbing part is located at one end of the main body part, at least part of the supporting component is located in the grabbing component, the supporting component is provided with a first end part, the supporting component can move along the axial direction to be located at a first position or a second position, the elastic grabbing part is provided with a first state and a second state, the maximum outer diameter of the first end part is larger than the inner diameter of the elastic grabbing part in the first state, the first end part and the elastic grabbing part are staggered in the axial direction, the elastic grabbing part is located in the first state, the first end part is located in the elastic grabbing part, the elastic grabbing part is located in the second state, and the maximum inner diameter of the elastic grabbing part in the second state is larger than the maximum inner diameter in the first state.

Inventors

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Assignees

  • 绍兴三花智能装备有限公司

Dates

Publication Date
20260508
Application Date
20241031

Claims (11)

  1. 1. The disassembly tool is characterized by comprising a grabbing component (50) and a supporting component (70) which are coaxially arranged, wherein the grabbing component (50) comprises a main body part (502) and an elastic grabbing part (501), the elastic grabbing part (501) is positioned at one end of the main body part (502), at least part of the supporting component (70) is positioned in the grabbing component (50), the supporting component (70) is provided with a first end part (701), the supporting component (70) can move along the axial direction to be positioned at a first position or a second position, the elastic grabbing part (50) is provided with a first state and a second state, and the maximum outer diameter of the first end part (701) is larger than the inner diameter of the elastic grabbing part (501) in the first state; In the first position, the first end part (701) and the elastic grabbing part (501) are staggered in the axial direction, the elastic grabbing part (501) is located in a first state, in the second position, the first end part (701) is at least partially located in the elastic grabbing part (501), the elastic grabbing part (501) is located in a second state, and the maximum inner diameter of the elastic grabbing part in the second state is larger than the maximum inner diameter in the first state.
  2. 2. The disassembly tool according to claim 1, wherein the direction in which the first end portion (701) of the support member (70) is inserted into the elastic grasping portion (501) is a first direction, the direction opposite to the first direction is a second direction, the main body portion (502) includes a first stopper surface (5022) facing the second direction, the support member (70) includes a second stopper surface (703) facing the first direction, and the first stopper surface (5022) and the second stopper surface (703) are abutted in the axial direction when the support member (70) is in the second position.
  3. 3. The disassembly tool according to claim 1 or 2, wherein the main body part (502) is cylindrical, the supporting component (70) and the main body part (502) are in threaded fit, or the disassembly tool comprises a cylinder (80), the cylinder (80) is in transmission connection with the supporting component (70), and the cylinder (80) drives the supporting component (70) to move along the axial direction; and/or the elastic grabbing part (501) comprises at least two elastic claw parts (5011) distributed along the circumferential direction of the grabbing component (50), wherein the outer surface of the elastic grabbing part (501) is provided with grains, and/or the outer surface of the elastic grabbing part (501) is provided with a wear-resistant coating.
  4. 4. A disassembly tool according to claim 3, further comprising a first sleeve part (30) and a second sleeve part (20) coaxially arranged with the gripping part (50), the first sleeve part (30) and the second sleeve part (20) being screw-fitted; the direction in which the first end (701) of the support member is inserted into the elastic gripping portion (501) is a first direction, the direction opposite to the first direction is a second direction, and the second sleeve member (20) and the gripping member (50) are arranged in a limited manner along the second direction.
  5. 5. Disassembly tool according to claim 1 or 2, characterized in that the disassembly tool further comprises a second sleeve part (20) and a third sleeve part (10) arranged coaxially, at least part of the third sleeve part (10) being located within the second sleeve part (20), the outer surface of the third sleeve part (10) having a first planar portion (101) and the inner surface of the third sleeve part (10) having a second planar portion (102); The gripping member (50) has a third planar portion (5021 a), and the second planar portion (102) of the third sleeve member (10) and the third planar portion (5021 a) are in contact engagement.
  6. 6. The disassembly tool according to claim 5, further comprising a bearing (60) coaxially arranged with the first sleeve member (30) and the second sleeve member (20), the second sleeve member (20) comprising a second cylindrical portion (201) and a second annular bottom plate (202) at one end of the second cylindrical portion (201), the bearing (60) being axially arranged between the second annular bottom plate (202) and the third sleeve member (10).
  7. 7. The disassembly tool according to claim 6, wherein the bearing (60) is a thrust ball bearing, the bearing (60) comprises a first bearing plate (601) and a second bearing plate (602) which are distributed along the axial direction, the first bearing plate (601) and the second annular bottom plate (202) are fixedly connected or at least are in limit connection along the second direction, and the main body part (502) and the second bearing plate (602) are fixedly connected or at least are in limit connection along the second direction.
  8. 8. The disassembly tool according to claim 7, wherein one end of the main body part (502) far away from the elastic grabbing part (501) is provided with an annular flange (5021) extending outwards in a radial direction, the annular flange (5021) is provided with the third plane part (5021 a), the annular flange (5021) is abutted against the second bearing plate (602) along the axial direction, and/or the main body part (502) is in interference fit with the inner ring of the second bearing plate (602).
  9. 9. The disassembly tool according to claim 4, further comprising a positioning sleeve member (40) coaxially arranged with the first sleeve member (30), the positioning sleeve member (40) comprising a third cylindrical portion (401) and an annular top plate (402) at one end of the third cylindrical portion (401); The first sleeve part (30) comprises a first cylindrical part (301) and a first annular bottom plate (302) positioned at one end of the first cylindrical part (301), the second sleeve part (20) is in threaded connection with the first cylindrical part (301), and the first sleeve part (30) further comprises an extension cylinder section (303) extending along the first direction from the edge of the first annular bottom plate (302); The extension cylinder section (303) is inserted into the third cylindrical part (401) of the positioning sleeve component (40), the first annular bottom plate (302) and the annular top plate (402) are in axial abutting connection, and the hardness of the positioning sleeve component (40) is smaller than that of the first sleeve component (30).
  10. 10. A method of disassembly comprising: Inserting the elastic gripping portion (501) of the gripping member (50) into the inner cavity of the part to be disassembled of the workpiece; -axially moving a support member (70), said first end (701) being inserted into said elastic gripping portion (501) in the axial direction of said support member (70) to a second position to prop said elastic gripping portion (501), said elastic gripping portion (501) being in close fit with said component being spread to grip said component; The grabbing component (50) is driven to move along the axial direction so as to drive the parts to be separated from the body part of the workpiece.
  11. 11. The disassembly method as claimed in claim 10, further comprising: abutting the first planar portion (101) of the third sleeve member (10) against the locating surface; The supporting component (70) is in threaded connection with the elastic grabbing part (50), the supporting component (70) is rotated to enable the supporting component (70) to axially move relative to the grabbing component (50), and the first end (701) of the supporting component (70) is inserted into the elastic grabbing part (501) to the second position; The first sleeve part (30) is in threaded connection with the second sleeve part (20), the first sleeve part (30) is positioned, the second sleeve part (20) is rotated, the second sleeve part (20) moves axially relative to the first sleeve part (30), and then the grabbing part (50) is driven to move axially, so that the part is driven to be separated from the body part of the workpiece.

Description

Disassembling tool and disassembling method Technical Field The application relates to the technical field of disassembly tools, in particular to the technical field of disassembly tools suitable for parts with grooves or through holes, and particularly relates to a disassembly tool and a disassembly method. Background In mechanical devices, disassembly of parts is common. For example, the piston of the check valve is positioned in the valve body, and when the piston needs to be replaced or overhauled, the piston needs to be pulled out of the valve body. In the related technical scheme, the bearing separator is adopted for disassembly, the bearing separator comprises a clamping locating piece and a long rod, the clamping locating piece is plugged between the two radial sides of the piston and the inner cavity, the piston is clamped from the two radial sides, and then the piston is driven to axially displace by pulling the long rod, so that the clamping locating piece pulls the piston to move out of the valve body of the one-way valve. However, the grabbing method is unreliable, the inner wall of the valve is easy to scratch when the clamping locating piece is plugged into the two radial sides of the piston, the piston is easy to skew when being extruded, the piston is difficult to vertically clamp when being clamped, and the piston is easy to skew and easy to damage when being clamped. Disclosure of Invention The technical scheme aims at providing a disassembly tool and a disassembly method, so that the reliability of grabbing parts during disassembly can be improved, and damage is reduced. In order to solve the technical problem, the technical scheme provides a disassembly tool, which comprises a grabbing component and a supporting component which are coaxially arranged, wherein the grabbing component comprises a main body part and an elastic grabbing part, the elastic grabbing part is positioned at one end of the main body part, at least part of the supporting component is positioned in the grabbing component, the supporting component is provided with a first end part, the supporting component can move along the axial direction to be positioned at a first position or a second position, the elastic grabbing part is provided with a first state and a second state, and the maximum outer diameter of the first end part is larger than the inner diameter of the elastic grabbing part in the first state; In the first position, the first end and the elastic grabbing portion are axially staggered, the elastic grabbing portion is located in a first state, in the second position, the first end is located at least partially in the elastic grabbing portion, the elastic grabbing portion is located in a second state, and the maximum inner diameter of the elastic grabbing portion in the second state is larger than the maximum inner diameter of the elastic grabbing portion in the first state. When the disassembly tool in the technical scheme grabs the part with the inner cavity, the part is not required to be clamped from the outer side, but the part is clamped through the cooperation of the supporting part and the grabbing part, the part is clamped by gradually tensioning the part, the part is clamped, the part is not easy to skew during clamping, the grabbing is reliable, and the part and the inner wall of the scratch valve are not easy to damage. The technical scheme also provides a disassembly method, which comprises the following steps: Inserting the elastic grabbing part of the grabbing component into an inner cavity of a part to be disassembled of the workpiece; The first end part is inserted into the elastic grabbing part to a second position along the axial direction of the supporting part to prop the elastic grabbing part, and the propped elastic grabbing part is tightly matched with the part to grab the part; the grabbing component is driven to move along the axial direction so as to drive the parts to be separated from the body part of the workpiece. According to the disassembly method in the technical scheme, the elastic grabbing parts are propped by the supporting parts, so that the inner space of the parts is flexibly applied, the elastic grabbing parts can be gradually tensioned and matched from the inside of the parts to grab the parts, grabbing is reliable, and the parts and the inner walls of corresponding workpieces are not easy to damage. Drawings FIG. 1 is a schematic structural diagram of a disassembly tool according to an embodiment of the present application; fig. 2 is a schematic structural diagram of the disassembly tool of fig. 1 at another view angle; FIG. 3 is an exploded view of the disassembly tool of FIG. 1; FIG. 4 is an exploded view of the disassembly tool of FIG. 2; FIG. 5 is a front view of the disassembly tool of FIG. 1; FIG. 6 is a cross-sectional view taken along the direction A-A of the disassembly tool of FIG. 5; FIG. 7 is a top view of the disassembly tool of FIG. 1; FIG. 8 is an en