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CN-224233782-U - Adjusting mechanism

CN224233782UCN 224233782 UCN224233782 UCN 224233782UCN-224233782-U

Abstract

The utility model relates to an adjusting mechanism, and relates to the technical field of industrial detection. The adjusting mechanism comprises a camera, a lens assembly and a first connecting piece, wherein the camera and the lens assembly are oppositely arranged, the first connecting piece is connected with the camera, and the first connecting piece is rotatably connected with the lens assembly. The adjusting mechanism has smaller load and can realize higher adjusting precision.

Inventors

  • Deng Wangcai
  • LI QINGGELE
  • Philips Sean Gastaldo

Assignees

  • 深圳镭赫技术有限公司

Dates

Publication Date
20260512
Application Date
20250225

Claims (12)

  1. 1. An adjustment mechanism, comprising: a camera and lens assembly disposed opposite each other; The first connecting piece is connected with the camera and is rotatably connected with the lens component.
  2. 2. The adjusting mechanism as claimed in claim 1, wherein a bearing is provided between an outer side wall of the lens assembly and the first connecting member, or One of the side wall of the first connecting piece and the side wall of the lens assembly is provided with a protruding structure, the other is provided with an annular groove, the protruding structure is clamped into the annular groove, and the protruding structure is suitable for sliding in the annular groove.
  3. 3. The adjustment mechanism of claim 2, wherein the projection structure is a first fastener disposed in a first attachment hole, the first fastener passing through the first attachment hole and snapping into the annular groove, the first connector and the lens assembly being relatively rotatable by screwing the first fastener into a first release position in which the first fastener is still passing through the first attachment hole and snapping into the annular groove, the first connector and the lens assembly being fixedly connected by screwing the first fastener into a first screwed position.
  4. 4. The adjustment mechanism of claim 3, wherein the first connecting hole is formed in an inner side wall of the first connecting member, the annular groove is formed in an outer side wall of the lens assembly, and the first connecting member is connected with the lens assembly by a first fastener penetrating through the first connecting hole and being clamped into the annular groove.
  5. 5. The adjustment mechanism of any one of claims 3 to 4, wherein the first connector comprises a first plate fixedly connected to the camera and a second plate disposed on an outer side wall of the lens assembly, one of the side wall of the second plate and the side wall of the lens assembly is provided with the projection structure, the other is provided with the annular groove, and the second plate and the first plate are rotatable relative to each other if the first fastener is screwed to a first release position.
  6. 6. The adjustment mechanism of claim 5, wherein the first plate has a plurality of first holes formed therein and the second plate has a plurality of second holes formed therein, the second holes being in one-to-one correspondence with the first holes, at least one of the first and second holes being a bar-shaped hole, the first plate being connected to the second plate by a second fastener threaded through the first hole and into the second hole, the first and second plates being relatively rotatable by screwing the second fastener into a second, undamped position in which the second fastener is adapted to move in the bar-shaped hole and the second fastener still passes through the first hole and extends into the second hole, the first and second plates being fixedly connected by screwing the second fastener into a second, tightened position.
  7. 7. The adjusting mechanism of claim 6, wherein the second plate is sleeved on the outer wall of the lens assembly, the first plate comprises a first main body part and a first extension piece used for connecting the first main body part, the first main body part is fixed with the camera, the second plate comprises a second main body part and a second extension piece, and the second main body part is used for being arranged on the outer side wall of the lens assembly; The adjusting mechanism further comprises a first adjusting component used for enabling the first plate and the second plate to rotate relatively when the second fastening piece is in a second loosening position, the first adjusting component is arranged on the second extending piece and used for abutting against the first extending piece, and the first adjusting component abuts against the first extending piece to adjust the distance between the first extending piece and the second extending piece so that the first plate and the second plate rotate relatively.
  8. 8. The adjustment mechanism of claim 7, wherein the second extension member includes a first extension portion and a second extension portion, the first extension portion and the second extension portion being configured to be arranged in a circumferential direction of the second body portion and secured thereto, the first extension member being configured to extend between the first extension portion and the second extension portion; The first adjusting component comprises a first adjusting piece and a second adjusting piece, the first adjusting piece is used for adjusting the distance between the first extending piece and the first extending portion, and the second adjusting piece is used for adjusting the distance between the first extending piece and the second extending portion.
  9. 9. The adjustment mechanism of claim 8, wherein the first adjustment member is disposed on the first extension and abuts a side surface of the first extension that faces the first extension, and the second adjustment member is disposed on the second extension and abuts a side surface of the first extension that faces the second extension.
  10. 10. The adjustment mechanism of claim 9, wherein the first adjustment member comprises a sleeve secured to a side surface of the first extension facing away from the first extension, the sleeve having threads disposed therein, and an adjustment screw disposed within the sleeve and extending through the first extension, or wherein the first adjustment member is a spring plunger; The second adjusting piece is a dial indicator.
  11. 11. The adjustment mechanism of claim 1, wherein the first connector has a plurality of third holes formed therein, the lens assembly has a plurality of fourth holes formed therein, the third holes are in one-to-one correspondence with the fourth holes, at least one of the third holes and the fourth holes is a bar-shaped hole, the first connector is connected to the lens assembly by a third fastener threaded through the third holes and into the fourth holes, the first connector and the lens assembly are relatively rotatable by screwing the third fastener into a third release position in which the third fastener is adapted to move in the bar-shaped hole and the third fastener still passes through the third holes and extends into the fourth holes, and the first connector and the lens assembly are fixedly connected by screwing the third fastener into a third tightening position.
  12. 12. The adjusting mechanism of claim 1, 2 or 11, wherein the lens assembly comprises a lens and a second connector sleeved on an outer side wall of the lens and fixedly connected with the lens, and the adjusting mechanism further comprises a second adjusting assembly for adjusting relative rotation of the first connector and the second connector.

Description

Adjusting mechanism Technical Field The utility model relates to the technical field of industrial detection, in particular to an adjusting mechanism. Background In the wafer inspection process, an image of the wafer surface needs to be captured by a line camera to inspect information such as defects or geometric dimensions of the wafer surface. The linear CCD photosensitive unit in the linear camera needs to be perpendicular to the moving direction of the wafer to be tested so as to obtain a clear image of the surface of the wafer. Thus, the angle of the camera needs to be adjusted before the wafer is inspected. The related art discloses a linear array camera adjusting method and device, wherein a linear array camera is connected with a cross platform through a three-dimensional rotating mechanism, and a servo motor is used for controlling the cross platform to control the linear array camera to perform displacement adjustment in the horizontal direction and the vertical direction. The related art can adjust the camera and the lens at the same time, and the load of the three-dimensional rotating mechanism is large, which is not beneficial to realizing high-precision adjustment. Disclosure of utility model The utility model provides an adjusting mechanism, which reduces the load of the adjusting mechanism and improves the adjusting precision. The utility model provides an adjusting mechanism which comprises a camera and a lens assembly which are oppositely arranged, and a first connecting piece which is connected with the camera and is rotatably connected with the lens assembly. Optionally, a bearing is arranged between the outer side wall of the lens assembly and the first connecting piece, or one of the side wall of the first connecting piece and the side wall of the lens assembly is provided with a protruding structure, the other is provided with an annular groove, the protruding structure is clamped into the annular groove, and the protruding structure is suitable for sliding in the annular groove. Optionally, the protruding structure is a first fastening piece arranged in the first connecting hole, the first fastening piece penetrates through the first connecting hole and is clamped into the annular groove, the first connecting piece and the lens assembly can rotate relatively by screwing the first fastening piece to a first loosening position, the first fastening piece still penetrates through the first connecting hole and is clamped into the annular groove at the first loosening position, and the first connecting piece and the lens assembly are fixedly connected by screwing the first fastening piece to a first screwing position. Optionally, the first connecting hole is formed in an inner side wall of the first connecting piece, the annular groove is formed in an outer side wall of the lens assembly, and the first connecting piece is connected with the lens assembly by a first fastening piece penetrating through the first connecting hole and clamped into the annular groove. Optionally, the first connecting piece comprises a first plate and a second plate, the first plate is fixedly connected with the camera, the second plate is arranged on the outer side wall of the lens assembly, one of the side wall of the second plate and the side wall of the lens assembly is provided with the protruding structure, the other side wall of the second plate is provided with the annular groove, and if the first fastening piece is screwed to the first loosening position, the second plate and the first plate can rotate relatively. Optionally, the first plate is provided with a plurality of first holes, the second plate is provided with a plurality of second holes, the second holes are in one-to-one correspondence with the first holes, at least one of the first holes and the second holes is a strip-shaped hole, the first plate is connected with the second plate by a second fastening piece penetrating through the first holes and screwed into the second holes, the first plate and the second plate can rotate relatively by screwing the second fastening piece to a second loosening position, the second fastening piece is suitable for moving in the strip-shaped hole at the second loosening position and still penetrates through the first holes and extends into the second holes, and the first plate and the second plate are fixedly connected by screwing the second fastening piece to a second tightening position. Optionally, the second plate is sleeved on the outer wall of the lens assembly, the first plate comprises a first main body part and a first extension piece used for being connected with the first main body part, the first main body part is fixed with the camera, the second plate comprises a second main body part and a second extension piece, the second main body part is used for being arranged on the outer side wall of the lens assembly, the adjusting mechanism further comprises a first adjusting component used for enablin