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CN-121993562-A - Connection module, linear driving mechanism and detection device

CN121993562ACN 121993562 ACN121993562 ACN 121993562ACN-121993562-A

Abstract

The application relates to a connecting module, a linear driving mechanism and a detecting device. The connecting module comprises a sliding seat, a connecting assembly, a pressing piece, a connecting assembly and a third abutting surface and a fourth abutting surface, wherein the sliding seat is movably arranged and is provided with an assembling groove, the connecting assembly comprises the pressing piece, the transition piece and the pressing piece, the pressing piece comprises a first abutting surface used for abutting against the transition piece, the pressing piece comprises a second abutting surface used for abutting against the transition piece, the pressing piece can be movably adjusted to a locking state and correct the position of the transition piece, the transition piece can be in surface contact with one of the first abutting surface and the second abutting surface after being corrected and in point contact or line contact with the other of the first abutting surface and the second abutting surface, the connecting assembly is provided with the third abutting surface and the fourth abutting surface, when the pressing piece moves to the locking state, the pressing piece and the moving piece are relatively fixed, and the pressing piece abut against each other, so that the third abutting surface and the fourth abutting surface abut against two opposite side walls of the assembling groove respectively.

Inventors

  • DU ZHENDONG
  • WANG KUN
  • DENG ZHOUZHOU
  • XU HUAN
  • ZHANG YIXING

Assignees

  • 长川科技(苏州)有限公司

Dates

Publication Date
20260508
Application Date
20260228

Claims (10)

  1. 1. A connection module for connecting a carried part with a movable part of a linear guide module (13), characterized in that the connection module (20) comprises: a sliding seat (21) movably arranged along a first direction (X1) and provided with an assembling groove (211); The connecting assembly (23) comprises an extrusion part (232), a transition piece (233) and a pressure receiving piece (234) which are sequentially arranged in the assembling groove (211) along the first direction (X1), wherein the extrusion part (232) comprises a first abutting surface (a 1) for abutting against the transition piece (233), the pressure receiving piece (234) comprises a second abutting surface (a 2) for abutting against the transition piece (233), the extrusion part (232) can be movably adjusted to a locking state along the second direction (X2) and correct the pose of the transition piece (233), and the transition piece (233) is in surface contact with one of the first abutting surface (a 1) and the second abutting surface (a 2) after the pose is corrected and is in point contact or line contact with the other one of the first abutting surface (a 1) and the second abutting surface (a 2), and the first direction (X1) is intersected with the second direction (X2); The connecting assembly (23) is provided with a third abutting surface (a 3) and a fourth abutting surface (a 4) which are oppositely arranged along the first direction (X1), when the extrusion piece (232) moves to the locking state along the second direction (X2), the extrusion piece (232) and the movable piece are relatively fixed, and the extrusion piece (232), the transition piece (233) and the pressed piece (234) are abutted against each other, so that the third abutting surface (a 3) and the fourth abutting surface (a 4) are abutted against the two opposite side walls of the assembling groove (211) respectively.
  2. 2. The connection module according to claim 1, wherein the transition piece (233) comprises a mating plane (b 1) and a convex mating curved surface (b 2); The matching plane (b 1) is in surface contact with the first abutting surface (a 1), the matching curved surface (b 2) is in point contact or line contact with the second abutting surface (a 2), or the matching plane (b 1) is in surface contact with the second abutting surface (a 2), and the matching curved surface (b 2) is in point contact or line contact with the first abutting surface (a 1).
  3. 3. The connection module according to claim 2, wherein the first abutment surface (a 1) is a flat surface or a curved surface formed by being recessed inward on the pressing member (232), and the radius of curvature of the first abutment surface (a 1) is larger than the radius of curvature of the mating curved surface (b 2), the mating curved surface (b 2) is in point contact or line contact with the first abutment surface (a 1), or the second abutment surface (a 2) is a flat surface or a curved surface formed by being recessed inward on the pressing member (234), and the radius of curvature of the second abutment surface (a 2) is larger than the radius of curvature of the mating curved surface (b 2), and the mating curved surface (b 2) is in point contact or line contact with the second abutment surface (a 2).
  4. 4. The connection module according to claim 2, wherein the compression member (234) further comprises a receiving surface (a 5) disposed at an angle to the second abutment surface (a 2), and the mating curved surface (b 2) is in point contact or line contact with both the second abutment surface (a 2) and the receiving surface (a 5).
  5. 5. The connection module according to claim 2, wherein the mating curved surface (b 2) is a spherical or cylindrical surface.
  6. 6. The connection module according to claim 1, wherein the extrusion (232) includes a main body portion (2321) and a fastening portion (2323) movably connected to the main body portion (2321), the third abutment surface (a 3) is disposed on a side of the main body portion (2321) facing away from the pressure receiving member (234), and the fourth abutment surface (a 4) is disposed on a side of the pressure receiving member (234) facing away from the main body portion (2321); When the extrusion part (232) is in the locking state, the fastening part (2323) is fixedly connected to the movable part, and the third abutting surface (a 3) and the fourth abutting surface (a 4) are respectively abutted to two opposite side walls of the assembly groove (211).
  7. 7. The connection module according to claim 1, wherein the connection assembly (23) further comprises a mounting seat (231) fixedly connected with the movable member, the mounting seat (231) is located at a side of the extrusion member (232) away from the pressure receiving member (234), the third abutment surface (a 3) is disposed at a side of the mounting seat (231) away from the pressure receiving member (234), and the fourth abutment surface (a 4) is disposed at a side of the pressure receiving member (234) away from the mounting seat (231).
  8. 8. The connection module according to claim 7, wherein the pressing member (232) includes a main body portion (2321) and a fastening portion (2323) movably connected to the main body portion (2321), the fastening portion (2323) is fixedly connected to the mounting seat (231) when the pressing member (232) is in the locked state, and the third abutment surface (a 3) and the fourth abutment surface (a 4) respectively abut against opposite side walls of the fitting groove (211).
  9. 9. A linear drive mechanism, comprising a drive member (11), a linear guide module (13) and a connection module (20) according to any one of claims 1 to 8, the linear guide module comprising the movable member, the drive member (11) being adapted to drive the movable member and the connection module (20) to move in the first direction (X1).
  10. 10. A detection device, characterized in that it comprises a linear drive mechanism (10) according to claim 9.

Description

Connection module, linear driving mechanism and detection device Technical Field The application relates to the technical field of linear motion modules, in particular to a connecting module, a linear driving mechanism and a detecting device. Background The linear driving mechanism is widely applied to industrial equipment, for example, a detection instrument or equipment is carried by the linear driving mechanism, and the linear driving mechanism drives the detection instrument or equipment to move so as to realize detection of a product to be detected. In the prior art, aiming at a common linear driving mechanism, such as a motor driving screw rod to rotate and a nut seat to axially move along the screw rod, a sliding seat is usually connected to the nut seat, a detection instrument or equipment is arranged on the sliding seat, two sides of the sliding seat are generally and slidably connected with guide rails, and a pair of wedge blocks are abutted between the sliding seat and the nut seat to realize connection, so that the nut seat and the sliding seat axially synchronously perform linear movement along the screw rod. However, in this scheme, the accuracy requirements for the inclination angle and flatness of the mating inclined surfaces of the two wedge blocks are high, which results in a high processing difficulty, and the resistance of the relative adjustment of the displacement of the two wedge blocks is high, which is inconvenient to operate. Disclosure of Invention In view of the above, it is necessary to provide a connection module, a linear driving mechanism, and a detection device that can reduce the processing difficulty and the processing cost. In one aspect, the present application provides a connection module for connecting a carried member and a movable member of a linear guide module, the connection module comprising: the sliding seat is movably arranged along the first direction and is provided with an assembling groove; The connecting assembly comprises an extrusion piece, a transition piece and a pressure receiving piece which are sequentially arranged in the assembly groove along the first direction, wherein the extrusion piece comprises a first abutting surface for abutting against the transition piece, the pressure receiving piece comprises a second abutting surface for abutting against the transition piece, the extrusion piece can be movably adjusted to a locking state along the second direction and correct the position of the transition piece, the position of the transition piece is contacted with one of the first abutting surface and the second abutting surface after being corrected, the transition piece is in point contact or line contact with the other of the first abutting surface and the second abutting surface, and the first direction is intersected with the second direction; The connecting assembly is provided with a third abutting surface and a fourth abutting surface which are oppositely arranged along the first direction, when the extrusion piece moves to the locking state along the second direction, the extrusion piece is relatively fixed with the movable piece, and the extrusion piece, the transition piece and the pressed piece are mutually abutted, so that the third abutting surface and the fourth abutting surface are respectively abutted with two opposite side walls of the assembly groove. In some embodiments, the transition piece includes a mating planar surface and a convex mating curved surface; The matching plane is in point contact or line contact with the first abutting surface, the matching curved surface is in point contact or line contact with the second abutting surface, or the matching plane is in surface contact with the second abutting surface, and the matching curved surface is in point contact or line contact with the first abutting surface. In some embodiments, the first abutment surface is a planar or inwardly concave curved surface on the extrusion, and the radius of curvature of the first abutment surface is greater than the radius of curvature of the mating curved surface, which is in point or line contact with the first abutment surface, or the second abutment surface is a planar or inwardly concave curved surface on the compression element, and the radius of curvature of the second abutment surface is greater than the radius of curvature of the mating curved surface, which is in point or line contact with the second abutment surface. In some embodiments, the compression member further includes a receiving surface disposed at an angle to the second abutment surface, and the mating curved surface is in point contact or line contact with both the second abutment surface and the receiving surface. In some embodiments, the mating curved surface is a sphere or a cylinder. In some embodiments, the pressing member includes a main body portion and a fastening portion movably connected to the main body portion, the third abutment surface is disposed on a