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CN-121776858-B - Assembling equipment for pile bolts and assembling method thereof

CN121776858BCN 121776858 BCN121776858 BCN 121776858BCN-121776858-B

Abstract

The invention belongs to the technical field of machine tools, and particularly relates to a machine for tightening bolts, in particular to an assembling device for a pile bolt and an assembling method thereof, wherein the assembling device for the pile bolt drives a pair of clamping jaws to be far away when a driving sleeve rotates forwards, a manipulator drives a screwing device to move so that a first groove is aligned with the top of the bolt, the top of the bolt enters the first groove, the driving sleeve rotates reversely, the clamping jaws are mutually close to clamp the bolt, the bolt is stably grabbed, the inclination of the bolt is avoided, and the bolt can be accurately aligned when the bolt is screwed into a threaded hole.

Inventors

  • WU YARU
  • CAI QIZHI
  • WANG LEI

Assignees

  • 苏州市东拓新能源有限公司
  • 张家港江苏科技大学(先进金属材料)产业技术研究院

Dates

Publication Date
20260508
Application Date
20260309

Claims (8)

  1. 1. An assembling apparatus for a pile bolt, characterized by comprising: a manipulator (1), and a screwing device (2) connected with the manipulator (1), wherein the manipulator (1) is configured to drive the screwing device (2) to move to a bolt placing position (3), and the screwing device (2) is configured to stably grasp a bolt from the bolt placing position (3); the screwing device (2) comprises a fixing sleeve (21); An inner sleeve (22) is rotatably arranged at the bottom of the fixed sleeve (21); The inner bottom surface of the inner sleeve (22) is rotatably connected with a driving sleeve (23), and the driving sleeve (23) extends out of the top surface of the fixed sleeve (21); A pair of clamping jaws (24) are arranged at the bottom of the inner sleeve (22); The bottom surface of the inner sleeve (22) is provided with a first groove (223) which is matched with the shape of the top of the bolt; When the driving sleeve (23) rotates positively, a pair of clamping jaws (24) are driven to be far away, the manipulator (1) drives the screwing device (2) to move so that the first groove (223) is aligned with the top of the bolt, the top of the bolt enters the first groove (223), the driving sleeve (23) rotates reversely, and the clamping jaws (24) are close to each other to clamp the bolt and stably grab the bolt; The bottom surface of the inner sleeve (22) is provided with a strip-shaped hole (221) corresponding to the clamping jaw (24), the clamping jaw (24) is suitable for moving along the strip-shaped hole (221), and the top end of the clamping jaw (24) passes through the strip-shaped hole (221) and is positioned in the inner sleeve (22); the bottom ends of the clamping jaws (24) extend out of the bottom surface of the inner sleeve (22); The top end of the clamping jaw (24) is provided with a lug (241), and the bottom surface of the lug (241) is contacted with the inner bottom surface of the inner sleeve (22); A cylinder (242) is arranged on the side wall of the clamping jaw (24), a through hole (222) communicated with the strip-shaped hole (221) is formed in the side wall of the inner sleeve (22), and the cylinder (242) extends into the corresponding through hole (222); The inner wall of the fixed sleeve (21) is provided with a clamping groove (211) corresponding to the cylinder (242), and when the cylinder (242) stretches into the clamping groove (211), the inner sleeve (22) is fixed; A second spring is connected between the side wall of the clamping jaw (24) and the inner wall of the strip-shaped hole (221), and the second spring is suitable for driving the clamping jaw (24) to reset; A second groove (243) is formed in the top surface of the cylinder (242); A flow passage (244) is formed in the clamping jaw (24), one end of the flow passage (244) is positioned in the second groove (243), and the other end of the flow passage is positioned at the contact surface of the clamping jaw (24) and the bolt; an accommodating cavity is formed in the inner sleeve (22), glue is stored in the accommodating cavity, and a liquid outlet of the accommodating cavity is communicated with the through hole (222).
  2. 2. The assembling apparatus for a pile bolt according to claim 1, characterized in that, An arc-shaped block (231) corresponding to the convex block (241) is arranged on the side wall of the driving sleeve (23), the side wall of the arc-shaped block (231) is an arc surface, and a groove body (232) is formed in the other side wall; When the driving sleeve (23) rotates forwards, the cambered surface of the cambered block (231) contacts the lug (241) so that the clamping jaw (24) moves in a direction away from the driving sleeve (23); when the driving sleeve (23) rotates reversely, the lug (241) enters the groove body (232) to clamp the clamping jaw (24).
  3. 3. The assembling apparatus for a pile bolt according to claim 1, characterized in that, When grabbing the bolt, drive sleeve (23) forward rotation, cylinder (242) stretch out from through-hole (222) and stretch into draw-in groove (211) to it is fixed to inner skleeve (22), first recess (223) aim at the top of bolt at this moment, the liquid outlet in holding the chamber is aimed at to second recess (243), in order to make glue get into runner (244), then drive sleeve (23) reverse rotation, the cambered surface and the lug (241) of arc piece (231) break away from, the second spring drives clamping jaw (24) and resets, clamping jaw (24) are close to each other and press from both sides the bolt tightly, stably snatch the bolt, lug (241) get into in cell body (232), block clamping jaw (24).
  4. 4. The assembling apparatus for a pile bolt according to claim 1, characterized in that, A first spring (212) is arranged between the top surface of the inner sleeve (22) and the inner top surface of the fixed sleeve (21).
  5. 5. The assembling apparatus for a pile bolt according to claim 1, characterized in that, The screwing device (2) further comprises a driving motor (25); The driving motor (25) is arranged on the bracket (26); the fixed sleeve (21) is connected with the bracket (26); a strip-shaped groove (233) is vertically formed in the inner wall of the driving sleeve (23); An output shaft of the driving motor (25) extends into the driving sleeve (23), and a clamping block on the outer wall of the driving shaft is positioned in the strip-shaped groove (233).
  6. 6. The assembling apparatus for a pile bolt according to claim 5, characterized in that, The bracket (26) is connected with the manipulator (1) through a lifting mechanism (27); The lifting mechanism (27) is suitable for driving the bracket (26) to lift; The manipulator (1) is configured to drive the bolt to move to a pile after the bolt is stably grabbed by the screwing device (2), then the lifting mechanism (27) drives the support (26) to descend, the inner sleeve (22) ascends along the fixed sleeve (21), the driving motor (25) drives the inner sleeve (22) to reversely rotate, and the bolt is screwed in the pile in advance.
  7. 7. The assembling apparatus for a pile bolt according to claim 6, characterized in that, After the bolts have been pre-screwed onto the stack, the drive sleeve (23) is rotated in the forward direction so that the clamping jaws (24) loosen the bolts.
  8. 8. A method of assembling using the assembling apparatus for a pile bolt according to any one of claims 1 to 7, comprising: when the driving sleeve (23) rotates positively, a pair of clamping jaws (24) are driven to be far away, the manipulator (1) drives the screwing device (2) to move so that the first groove (223) is aligned with the top of the bolt, the top of the bolt enters the first groove (223), the driving sleeve (23) rotates reversely, and the clamping jaws (24) are close to each other to clamp the bolt and stably grab the bolt.

Description

Assembling equipment for pile bolts and assembling method thereof Technical Field The invention belongs to the technical field of machine tools, and particularly relates to a machine for tightening bolts, in particular to assembly equipment for pile bolts and an assembly method thereof. Background The electric pile is required to be provided with a plurality of bolts, the bolts are grabbed by the manipulator in the related art and then screwed into the electric pile, but when the manipulator grabs the bolts, the bolts are too long or are not positioned well during grabbing, so that the grabbed bolts incline, the bolts are not aligned with the threaded holes during screwing into the electric pile, and the bolts fail during screwing into the threaded holes. Therefore, there is a need to design an assembly device for a pile bolt and an assembly method thereof, because the bolt is inclined when the bolt is gripped, so that the threaded hole cannot be aligned, and the bolt cannot be screwed into the threaded hole. It should be noted that the above information disclosed in this background section is only for understanding the background of the inventive concept and therefore the above description is not to be construed as constituting prior art information. Disclosure of Invention The embodiment of the disclosure at least provides assembly equipment for a pile bolt and an assembly method thereof. In a first aspect, an embodiment of the present disclosure provides an assembling apparatus for a pile bolt, including: The manipulator is configured to drive the screwing device to move to a bolt placement position, and the screwing device is configured to stably grasp a bolt from the bolt placement position; The screwing device comprises a fixed sleeve; the bottom of the fixed sleeve is rotatably provided with an inner sleeve; the inner bottom surface of the inner sleeve is rotationally connected with a driving sleeve, and the driving sleeve extends out of the top surface of the fixed sleeve; A pair of clamping jaws are arranged at the bottom of the inner sleeve; the bottom surface of the inner sleeve is provided with a first groove which is matched with the shape of the top of the bolt; when the driving sleeve rotates positively, the driving sleeve drives the pair of clamping jaws to be far away from, the manipulator drives the screwing device to move so that the first groove is aligned with the top of the bolt, the top of the bolt enters the first groove, the driving sleeve rotates reversely, the clamping jaws are mutually close to clamp the bolt, and the bolt is stably grabbed. In an alternative embodiment, the bottom surface of the inner sleeve is provided with a strip-shaped hole corresponding to the clamping jaw, the clamping jaw is suitable for moving along the strip-shaped hole, and the top end of the clamping jaw penetrates through the strip-shaped hole to be positioned in the inner sleeve; The bottom ends of the clamping jaws extend out of the bottom surface of the inner sleeve; The top end of the clamping jaw is provided with a lug, and the bottom surface of the lug is contacted with the inner bottom surface of the inner sleeve; the side wall of the clamping jaw is provided with a cylinder, the side wall of the inner sleeve is provided with a through hole communicated with the strip-shaped hole, and the cylinder extends into the corresponding through hole; the inner wall of the fixed sleeve is provided with a clamping groove corresponding to the cylinder, and when the cylinder stretches into the clamping groove, the inner sleeve is fixed; And a second spring is connected between the side wall of the clamping jaw and the inner wall of the strip-shaped hole and is suitable for driving the clamping jaw to reset. In an alternative embodiment, the side wall of the driving sleeve is provided with an arc-shaped block corresponding to the convex block, the side wall of the arc-shaped block is an arc surface, and the other side wall is provided with a groove body; When the driving sleeve rotates positively, the cambered surface of the cambered block contacts the lug, so that the clamping jaw moves in a direction away from the driving sleeve; When the driving sleeve rotates reversely, the lug enters the groove body to clamp the clamping jaw. In an alternative embodiment, the top surface of the column body is provided with a second groove; a runner is arranged in the clamping jaw, one end of the runner is positioned in the second groove, and the other end of the runner is positioned on the contact surface of the clamping jaw and the bolt; the inner sleeve is internally provided with a containing cavity, glue is stored in the containing cavity, and a liquid outlet of the containing cavity is communicated with the through hole. In an alternative embodiment, when grabbing the bolt, the driving sleeve is rotated forward, the cylinder stretches out from the through hole and stretches into the clamping groove to fix the inne