Disassembling jig

Abstract

The utility model belongs to the technical field of lenses, and discloses a disassembling jig, which comprises a jig sleeve and a jig cutter, and is characterized in that the jig sleeve is used for sleeving a lens cone and can rotate relative to the lens cone; the jig cutter is arranged on the jig sleeve and protrudes out of the inner ring of the jig sleeve, and the part, protruding out of the inner ring of the jig sleeve, of the jig cutter can abut against the hot melting edge. According to the disassembling jig provided by the utility model, the jig sleeve sleeved on the lens cone is rotated relative to the lens cone, so that the hot melting edge can be cut by the jig cutter until the end part of the lens cone can be separated from the lens at the end part, and the condition that the lens is broken is effectively prevented.

Description

Technical Field

[0001] This utility model relates to the field of lens technology, and in particular to a disassembly fixture. Background Technology

[0002] The end elements of a lens are typically fixed to the lens barrel using adhesive or heat fusion. During lens production, defective lenses due to poor assembly or low resolution need to be removed from the lens barrel for recycling.

[0003] In related technologies, the lens barrel is usually made of plastic, and the lens is typically removed and recycled by cutting the lens barrel in half with a knife. However, the end lenses and other lenses inside the lens barrel may break due to the pressure exerted by the lens barrel during the cutting process. Utility Model Content

[0004] The purpose of this utility model is to provide a disassembly fixture that effectively prevents the lens from breaking.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A disassembly fixture is provided for disassembling a lens, the lens including a lens barrel and an end lens disposed within the lens barrel, the end of the lens barrel and the end lens being bonded together by a heat-fused edge, the disassembly fixture comprising:

[0007] A fixture sleeve is used to fit the lens barrel, and the fixture sleeve is rotatable relative to the lens barrel;

[0008] A fixture cutting tool is disposed on the fixture sleeve. The fixture cutting tool protrudes from the inner ring of the fixture sleeve, and the portion of the fixture cutting tool protruding from the inner ring of the fixture sleeve can abut against the hot-melt edge.

[0009] Optionally, the inner ring of the fixture sleeve includes a first annular surface and a second annular surface arranged along the axial direction. The first annular surface is located on the side of the second annular surface facing the top of the fixture sleeve, and the diameter of the first annular surface is larger than the diameter of the second annular surface. The fixture tool protrudes from the first annular surface.

[0010] Optionally, the inner ring of the fixture sleeve is provided with a groove, and the fixture cutting tool is disposed in the groove.

[0011] Optionally, the disassembly fixture further includes a first fastener, the fixture tool is provided with a first fixing hole, the fixture sleeve is provided with a second fixing hole extending axially, and the first fastener passes through the first fixing hole and is threadedly connected to the second fixing hole.

[0012] Optionally, the disassembly fixture further includes a second fastener, the outer ring of the fixture sleeve is provided with a positioning hole, the second fastener passes through the positioning hole and abuts against the fixture cutting tool, and the second fastener is threadedly connected to the positioning hole.

[0013] Optionally, the first fixing hole is an elongated hole, and the projection of the portion of the second fastener that contacts the tool of the fixture along the axial direction of the second fastener intersects the axial direction of the first fastener.

[0014] Alternatively, the first fixing hole can be a round hole, and the projection of the portion of the second fastener that contacts the tool of the fixture along the axial direction of the second fastener is offset from the axial direction of the first fastener.

[0015] Optionally, the fixture sleeve is an integral structure, or the fixture sleeve includes at least two fan-shaped ring structures spliced ​​together.

[0016] Optionally, the outer ring of the fixture sleeve is provided with an anti-slip structure.

[0017] Optionally, the fixture cutting tools are provided at multiple intervals along the circumference of the fixture sleeve.

[0018] Optionally, the disassembly fixture further includes a fixture base, the fixture sleeve being rotatable relative to the fixture base, and the fixture base being used to fix the lens barrel.

[0019] The beneficial effects of this utility model are as follows: The disassembly fixture provided by this utility model first inserts the lens barrel into the fixture sleeve, and then the part of the fixture cutter protruding from the inner ring of the fixture sleeve abuts against the hot-melt edge; then the fixture sleeve is rotated relative to the lens barrel so that the fixture cutter cuts the hot-melt edge until the end of the lens barrel and the end lens can be separated, effectively preventing the lens from breaking. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the disassembly fixture equipped with a lens provided by this utility model;

[0021] Figure 2 This is a partial cross-sectional view of the lens provided by this utility model;

[0022] Figure 3 This is a structural schematic diagram of the disassembly fixture provided by this utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the jig sleeve provided by this utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the fixture and cutting tool provided by this utility model;

[0025] Figure 6 This is a cross-sectional view of the disassembly fixture equipped with a lens provided by this utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the fixture base equipped with the main lens barrel provided by this utility model;

[0027] Figure 8 This is a structural schematic diagram of the fixture base provided by this utility model.

[0028] In the picture:

[0029] 10. Lens tube; 11. End lens tube; 12. Main lens tube; 21. End lens; 22. Internal lens; 30. Heat-fused rim;

[0030] 100. Fixture sleeve; 110. First annular surface; 120. Second annular surface; 130. Groove; 140. Second fixing hole; 150. Positioning hole;

[0031] 200. Fixture tool; 201. First cutting surface; 202. Second cutting surface; 210. First fixing hole;

[0032] 300. Second fastener;

[0033] 400, Fixture base; 410, Limiting protrusion; 420, Limiting groove; 430, Limiting hole. Detailed Implementation

[0034] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0035] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0036] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0037] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0038] Reference Figures 1 to 4 As shown, this embodiment also provides a disassembly fixture, which can be applied to the disassembly of lenses.

[0039] Specifically, the lens includes a lens barrel 10 and an end lens 21 disposed within the lens barrel 10. The end of the lens barrel 10 and the end lens 21 are bonded together by a heat-fused edge 30. It is understood that the heat-fused edge 30 can be used to bond the end of the lens barrel 10 and the end lens 21 together by heating with a heat-fused machine. In this embodiment, the lens barrel 10 may also contain at least one internal lens 22 in addition to the end lens 21.

[0040] Specifically, the disassembly fixture includes a fixture sleeve 100 and a fixture cutter 200. The fixture sleeve 100 is used to fit the lens barrel 10 and can rotate relative to the lens barrel 10. The fixture cutter 200 is disposed on the fixture sleeve 100 and protrudes from the inner ring of the fixture sleeve 100. The portion of the fixture cutter 200 protruding from the inner ring of the fixture sleeve 100 can abut against the hot-melt edge 30.

[0041] For example, when disassembling a lens using a disassembly jig, the lens barrel 10 is first inserted into the jig sleeve 100, and the portion of the jig cutter 200 protruding from the inner ring of the jig sleeve 100 abuts against the hot-melt edge 30; then the jig sleeve 100 is rotated relative to the lens barrel 10 so that the jig cutter 200 cuts the hot-melt edge 30 until the end of the lens barrel 10 can be separated from the end lens 21, effectively preventing the lens from breaking.

[0042] For example, the portion of the fixture cutter 200 that protrudes from the inner ring of the fixture sleeve 100 can abut against the hot-melt edge 30 along the axial direction of the fixture sleeve 100.

[0043] For example, the jig sleeve 100 and the lens barrel 10 can be fitted with a shaft hole clearance to facilitate the insertion of the lens barrel 10 into the jig sleeve 100 and to ensure that the relative rotation between the jig sleeve 100 and the lens barrel 10 is stable and reliable.

[0044] In one feasible embodiment, the outer ring of the jig sleeve 100 is provided with an anti-slip structure (not shown) to facilitate relative rotation between the jig sleeve 100 and the lens barrel 10. The anti-slip structure includes, but is not limited to, knurling or an anti-slip sleeve.

[0045] In one feasible implementation, a plurality of fixture cutters 200 are spaced apart along the circumference of the fixture sleeve 100. By having multiple fixture cutters 200 simultaneously cut the hot melt edge 30, the cutting speed of the hot melt edge 30 is effectively accelerated, and the coaxiality of the fixture sleeve 100 and the lens barrel 10 is ensured, preventing the fixture sleeve 100 from getting stuck relative to the lens barrel 10.

[0046] In this embodiment, reference continues to be made to... Figures 1 to 4 As shown, the inner ring of the fixture sleeve 100 includes a first annular surface 110 and a second annular surface 120 arranged axially. The first annular surface 110 is located on the side of the second annular surface 120 facing the top of the fixture sleeve 100, and the diameter of the first annular surface 110 is larger than the diameter of the second annular surface 120. The fixture cutter 200 protrudes from the first annular surface 110. In this embodiment, the lens barrel 10 passes through the second annular surface 120 and abuts against the fixture cutter 200 at the first annular surface 110 to ensure that the lens barrel 10 extends to a sufficient depth inside the fixture sleeve 100, making the relative rotation between the fixture sleeve 100 and the lens barrel 10 stable and reliable. In addition, the diameter of the first annular surface 110 is larger than the diameter of the second annular surface 120, which facilitates the insertion of the lens barrel 10 into the fixture sleeve 100.

[0047] For example, at least one of the first annular surface 110 and the second annular surface 120 forms a shaft hole clearance fit with the lens barrel 10 to facilitate the insertion of the lens barrel 10 into the fixture sleeve 100.

[0048] In one feasible embodiment, the lens barrel 10 includes an end lens barrel 11 and a main lens barrel 12 connected together, with an end lens 21 disposed inside the end lens barrel 11. A clearance fit is formed between the end lens barrel 11 and the first annular surface 110; and / or, a clearance fit is formed between the main lens barrel 12 and the second annular surface 120.

[0049] In some embodiments, the end lens barrel 11 and the main lens barrel 12 are integrally formed.

[0050] In some embodiments, the end lens barrel 11 and the main lens barrel 12 are detachably connected. In this embodiment, the end lens barrel 11 and the main lens barrel 12, which are connected together, can be inserted into the fixture sleeve 100 together; or the end lens barrel 11 and the main lens barrel 12 can be separated first, then the end lens barrel 11 can be inserted into the first annular surface 110 of the fixture sleeve 100, and finally the main lens barrel 12 can be inserted into the second annular surface 120 of the fixture sleeve 100, and then the end lens barrel 11 and the main lens barrel 12 can be connected together. Of course, the lens barrel 10 can also be inserted into the fixture sleeve 100 in other ways, which is not limited in this embodiment. The end lens barrel 11 and the main lens barrel 12 can be connected together by snap-fit ​​or other means, and the detachable connection method of the end lens barrel 11 and the main lens barrel 12 is the prior art, which will not be described in detail in this embodiment.

[0051] In some embodiments, the jig sleeve 100 can be designed as an integral structure, which is convenient to manufacture and has high precision.

[0052] In other embodiments, the jig sleeve 100 may include at least two fan-ring structures (not shown) joined together to facilitate insertion of the lens barrel 10 into the jig sleeve 100. Preferably, the jig sleeve 100 includes two fan-ring structures joined together, i.e., a semi-ring structure. The connection method between the fan-ring structures includes, but is not limited to, magnetic attraction, screw fastening, or snap-fit.

[0053] In this embodiment, reference continues to be made to... Figures 1 to 4 As shown, the inner ring of the jig sleeve 100 is provided with a groove 130, and the jig cutter 200 is disposed in the groove 130. This effectively prevents the jig cutter 200 from being damaged by collision with other objects, and also effectively prevents the jig cutter 200 from scratching the human body or objects. The groove 130 can be provided one-to-one with the jig cutter 200.

[0054] Specifically, the groove 130 can be provided on the first annular surface 110.

[0055] For example, to facilitate the assembly of the fixture tool 200, the groove 130 extends through the top end of the fixture sleeve 100.

[0056] In one feasible embodiment, the disassembly fixture further includes a first fastener (not shown). The fixture cutter 200 has a first fixing hole 210, and the fixture sleeve 100 has a second fixing hole 140 extending axially. The first fastener passes through the first fixing hole 210 and is threadedly connected to the second fixing hole 140, facilitating the assembly of the fixture cutter 200 onto the fixture sleeve 100. The first fastener can be configured in a one-to-one correspondence with the fixture cutter 200.

[0057] In one feasible embodiment, the disassembly fixture further includes a second fastener 300. The outer circumference of the fixture sleeve 100 is provided with a positioning hole 150. The second fastener 300 passes through the positioning hole 150 and abuts against the fixture cutter 200. The second fastener 300 is threadedly connected to the positioning hole 150 to restrict the fixture cutter 200 from rotating or moving towards the second fastener 300, thereby achieving positioning and assembly of the fixture cutter 200 relative to the fixture sleeve 100. The second fastener 300 can be configured in a one-to-one correspondence with the fixture cutter 200.

[0058] In some embodiments, the first fixing hole 210 is an elongated hole to facilitate adjustment of the position of the jig cutter 200 relative to the jig sleeve 100. Exemplarily, the projection of the portion of the second fastener 300 that contacts the jig cutter 200 along the axial direction of the second fastener 300 intersects the axis of the first fastener to prevent rotation of the jig cutter 200. In this embodiment, adjusting the position of the jig cutter 200 along the length of the elongated hole adjusts the size of the jig cutter 200 protruding from the inner ring of the jig sleeve 100, thereby adjusting the cutting size of the hot-melt edge 30 and improving the applicability of the disassembly jig. Exemplarily, both the end face of the second fastener 300 that abuts with the jig cutter 200 and the side face of the jig cutter 200 that abuts with the second fastener 300 are planes, i.e., the second fastener 300 and the jig cutter 200 are in planar contact.

[0059] In some embodiments, the first fixing hole 210 is a circular hole to facilitate adjustment of the position of the jig cutter 200 relative to the jig sleeve 100. Exemplarily, the projection of the portion of the second fastener 300 that contacts the jig cutter 200 along the axial direction of the second fastener 300 is offset from the axis of the first fastener. By tightening the second fastener 300, the position of the second fastener 300 is adjusted, thereby adjusting the angle of the jig cutter 200 relative to the jig sleeve 100, i.e., adjusting the size of the jig cutter 200 protruding from the inner ring of the jig sleeve 100, and thus adjusting the cutting size of the hot-melt edge 30, improving the applicability of the disassembly jig. Exemplarily, the end of the second fastener 300 that abuts against the jig cutter 200 can be an arc surface.

[0060] Of course, the first fixing hole 210 can also be a hole of other shapes, and this embodiment does not limit it.

[0061] In this embodiment, reference is made to Figure 1 , Figure 2 and Figure 5 As shown, the jig cutter 200 includes a cutter head that protrudes from the inner ring of the jig sleeve 100. The jig cutter 200 cuts the hot melt edge 30 through the cutter head.

[0062] Specifically, the cutter head has a first cutting surface 201 and a second cutting surface 202 arranged at an angle. The first cutting surface 201 can abut against the hot-melt edge 30, which is beneficial for cutting the hot-melt edge 30. The first cutting surface 201 fits into the bottom of the groove 130.

[0063] In this embodiment, reference is made to Figure 1 , Figure 2 , Figures 6 to 8 As shown, the disassembly fixture also includes a fixture base 400, and a fixture sleeve 100 that can rotate relative to the fixture base 400. The fixture base 400 is used to fix the lens barrel 10. In this embodiment, when the shape of the lens barrel 10 is inconvenient for a person to hold, the lens barrel 10 is fixed to the fixture base 400. By simply rotating the fixture sleeve 100 fitted on the lens barrel 10 relative to the fixture base 400, the fixture cutter 200 can cut the hot-melt edge 30, which is convenient for operation.

[0064] For example, the jig base 400 is also provided with an anti-slip structure to facilitate relative rotation between the jig sleeve 100 and the jig base 400.

[0065] For example, the jig base 400 is provided with a limiting protrusion 410 for limiting the lens barrel 10, and / or, the jig base 400 is provided with a limiting groove 420 for limiting the lens barrel 10, and / or, the jig base 400 is provided with a limiting hole 430 for limiting the lens. It is understood that the jig base 400 is provided with at least one of the limiting protrusion 410, the limiting groove 420 and the limiting hole 430 to prevent the lens barrel 10 from rotating relative to the jig base 400.

[0066] Specifically, the jig base 400 can be used to fix the main lens barrel 12.

[0067] For example, during the lens manufacturing process, before the end lens barrel 11 and the main lens barrel 12 are assembled together, quality problems may be found in the end lens barrel 11 and the end lens 21 inside the end lens barrel 11. At this time, the assembly between the end lens barrel 11 and the main lens barrel 12 can be completed, and then the main lens barrel 12 can be fixed on the fixture base 400 to facilitate the cutting of the hot melt edge 30.

[0068] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A disassembly fixture for disassembling a lens, the lens comprising a lens barrel (10) and an end lens (21) disposed within the lens barrel (10), the end of the lens barrel (10) and the end lens (21) being bonded together by a heat-fused edge (30), characterized in that, The disassembly fixture includes: A fixture sleeve (100) is used to fit the lens tube (10), and the fixture sleeve (100) is rotatable relative to the lens tube (10). A fixture cutter (200) is disposed on the fixture sleeve (100). The fixture cutter (200) protrudes from the inner ring of the fixture sleeve (100), and the portion of the fixture cutter (200) protruding from the inner ring of the fixture sleeve (100) can abut against the hot melt edge (30).

2. The disassembly fixture according to claim 1, characterized in that, The inner ring of the fixture sleeve (100) includes a first annular surface (110) and a second annular surface (120) arranged along the axial direction. The first annular surface (110) is located on the side of the second annular surface (120) facing the top of the fixture sleeve (100), and the diameter of the first annular surface (110) is larger than the diameter of the second annular surface (120). The fixture cutter (200) protrudes from the first annular surface (110).

3. The disassembly fixture according to claim 2, characterized in that, The inner ring of the fixture sleeve (100) is provided with a groove (130), and the fixture cutter (200) is disposed in the groove (130).

4. The disassembly fixture according to claim 1, characterized in that, The disassembly fixture also includes a first fastener. The fixture cutter (200) is provided with a first fixing hole (210), and the fixture sleeve (100) is provided with a second fixing hole (140) extending axially. The first fastener passes through the first fixing hole (210) and is threadedly connected to the second fixing hole (140).

5. The disassembly fixture according to claim 4, characterized in that, The disassembly fixture also includes a second fastener (300). The outer ring of the fixture sleeve (100) is provided with a positioning hole (150). The second fastener (300) passes through the positioning hole (150) and abuts against the fixture cutter (200). The second fastener (300) is threadedly connected to the positioning hole (150).

6. The disassembly fixture according to claim 5, characterized in that, The first fixing hole (210) is an elongated hole, and the projection of the part of the second fastener (300) that contacts the tool (200) along the axial direction of the second fastener (300) intersects the axis of the first fastener. Alternatively, the first fixing hole (210) can be a round hole, and the projection of the part of the second fastener (300) that contacts the tool (200) along the axial direction of the second fastener (300) is offset from the axial direction of the first fastener.

7. The disassembly fixture according to claim 1, characterized in that, The fixture sleeve (100) is an integral structure, or the fixture sleeve (100) includes at least two fan-shaped ring structures spliced ​​together.

8. The disassembly fixture according to claim 1, characterized in that, The outer ring of the fixture sleeve (100) is provided with an anti-slip structure.

9. The disassembly fixture according to claim 1, characterized in that, The fixture cutting tools (200) are provided in multiple circumferentially spaced along the fixture sleeve (100).

10. The disassembly fixture according to any one of claims 1-9, characterized in that, The disassembly fixture also includes a fixture base (400), and the fixture sleeve (100) is rotatable relative to the fixture base (400). The fixture base (400) is used to fix the lens barrel (10).

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