Intelligent positioning and tightening equipment
By using multiple rotary positioning mechanisms in the tightening device to control the movement of the tightening assembly, the problem that the assist arm of the tightening device in the prior art cannot be adjusted and positioned, and the fast positioning and movement of the tightening assembly is achieved, which is quick and convenient to use, and supports the tightening operation of multiple workpieces.
Patent Information
- Application Number
- CN202420346793.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-26
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-02-26
AI Technical Summary
In the prior art, the assist arm of the tightening device cannot be adjusted forward and rearward according to the bolt tightening position, resulting in the movement of the horizontal support only by moving the support without being convenient enough and not being quick enough when the bolt tightening position changes.
Using an intelligent positioning and tightening device including a first rotary positioning mechanism, a second rotating positioning mechanism and a third rotating positioning mechanism, the left and right positioning mechanisms are controlled to move up and down the left and right front and backwards of the tightening components, so that the tightening positions of the tightening components are aligned with the workpiece, and the corresponding movement angle is recorded to form a tightening sequence diagram.
It realizes the fast positioning and movement of the tightening assembly, is quick and convenient to use, and can record and multiplex the tightening sequence diagram of multiple workpieces, which is suitable for the tightening operation of multiple workpieces.
Smart Images

Figure CN222569854U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of component assembly, in particular to an intelligent positioning and tightening device. Background Art
[0002] The electric torque wrench reaction arm auxiliary device is a mechanized auxiliary equipment for the conveyor line. It is an auxiliary device for operators to assist operators in tightening high-torque bolts. Currently, the maintenance and assembly of EMU depots mainly use hand-held or electric torque wrenches for assembly operations.
[0003] In the prior art, the technical solution of the Chinese patent document (patent number: CN201922460086.7, patent name: A bolt positioning and tightening device based on an encoder) discloses "including a support rod, the upper outer surface of the support rod is rotatably connected to a fixed plate, the lower outer surface of the support rod is fixedly installed with a turntable, the lower outer surface of the turntable is fixedly installed with a limiting rod, the outer surface of the support rod is rotatably connected to a base near the lower end, a limiting groove is provided inside the base, the limiting rod is located inside the limiting groove, a support plate is provided on one side of the fixing plate and the base, and a fixing seat is sleeved on the outer surface of the support rod."
[0004] Combined with the description and drawings of the patent document, in the above scheme, the power arm of the tightening device cannot be adjusted forward and backward and positioned according to the tightening position of the bolt. When the tightening position of the bolt changes, the positioning only by horizontal movement support is not convenient enough and not quick enough to use. Utility Model Content
[0005] The utility model overcomes the shortcomings of the prior art and provides an intelligent positioning and tightening device, which can overcome the defects of the prior art mentioned in the background technology.
[0006] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
[0007] An intelligent positioning and tightening device comprises a first rotation positioning mechanism and a second rotation positioning mechanism, wherein a plurality of first support arms are sleeved between the first rotation positioning mechanism and the second rotation positioning mechanism, the second rotation positioning mechanism is rotationally connected to a third rotation positioning mechanism at the side, and a tightening assembly is arranged at the side of the third rotation positioning mechanism.
[0008] Furthermore, the first rotation positioning mechanism includes a first rotating column and a first encoder, the first rotating column is rotatably connected to a first rotating member, first sleeves are arranged at both ends of the first rotating column, and the first encoder is arranged on the first sleeve.
[0009] Furthermore, the second rotation positioning mechanism includes a second rotating member and a second encoder, a second rotating column is rotatably connected inside the second rotating member, second sleeves are provided at both ends of the second rotating column, the second encoder is provided on the second sleeve, one end of the first support arm is sleeved on the first sleeve, and the other end of the first support arm is sleeved on the second sleeve.
[0010] Furthermore, the third rotation positioning mechanism includes a second support arm and a third support arm, a first rotating member is provided at one end of the second support arm and the third support arm, a second rotating member is provided at the other end of the second support arm and the third support arm, the first rotating member is rotatably connected to the second rotating member, and a third encoder is provided on the side of the first rotating member.
[0011] Furthermore, a cylinder is arranged between the second support arm and the third support arm, a clamp is arranged at the end of the cylinder rod of the cylinder, the clamp is fixed on the second support arm, and the end of the cylinder is fixed on the first rotating member.
[0012] Furthermore, the tightening assembly includes a motor, the motor is connected to a rotary starting handle, a tightening piece is arranged at the end of the rotary starting handle, and a tightening position is arranged at the end of the tightening piece.
[0013] Furthermore, a slot is provided on the side of the motor, a first through hole is provided in the slot, a connecting piece is provided at the end of the second rotating piece, a convex piece is provided at the end of the connecting piece, the convex piece is provided with a second through hole, the slot corresponds to the convex piece, and the first through hole corresponds to the second through hole.
[0014] Furthermore, the first rotating member is provided with a support rod, a support seat is provided at the end of the support rod, and a plurality of fixing holes are provided on the support seat.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] The first rotation positioning mechanism, the second rotation positioning mechanism and the third rotation positioning mechanism are used to control the left and right, front and back, up and down movement of the tightening assembly, so that the tightening position of the tightening assembly is aligned with the workpiece and the workpiece is tightened. The use is quick and convenient, and the first rotation positioning mechanism, the second rotation positioning mechanism and the third rotation positioning mechanism can all record the corresponding movement angles and form a corresponding workpiece tightening sequence diagram, which is convenient for tightening multiple workpieces. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The accompanying drawings are used to provide a further understanding of the present invention and are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation of the present invention. In the accompanying drawings:
[0018] Figure 1 It is a general diagram of an intelligent positioning tightening device;
[0019] Figure 2 is a schematic diagram of a first rotating member, a support rod and a support seat;
[0020] Figure 3 It is a partial schematic diagram of the first support arm, the first rotation positioning mechanism and the second rotation positioning mechanism;
[0021] Figure 4 is a schematic diagram of a third rotation positioning mechanism;
[0022] Figure 5 Tightening components Figure 1 ;
[0023] Figure 6 Tightening components Figure 2 .
[0024] In the figure: 1-first rotation positioning mechanism, 101-first rotating member, 102-first encoder, 103-first rotating column, 104-first sleeve, 2-second rotation positioning mechanism, 201-second rotating column, 202-second encoder, 203-second rotating member, 204-second sleeve, 3-first support arm, 4-third rotation positioning mechanism, 401-second support arm, 402-third support arm, 403-first rotating member, 404-second rotating member, 4041-convex member, 4042-second through hole, 4043-connecting member, 405-cylinder, 406-clamping member, 407-third encoder, 5-tightening assembly, 501-motor, 5011-slot, 5012-first through hole, 502-rotation start handle, 503-tightening member, 504-tightening position, 6-support rod, 7-support seat, 701-fixing hole. DETAILED DESCRIPTION
[0025] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0026] like Figure 1As shown, an intelligent positioning and tightening device comprises a first rotation positioning mechanism 1 and a second rotation positioning mechanism 2, two first support arms 3 are sleeved between the first rotation positioning mechanism 1 and the second rotation positioning mechanism 2, the second rotation positioning mechanism 2 is rotatably connected to the third rotation positioning mechanism 4 on the side, and a tightening assembly 5 is arranged on the side of the third rotation positioning mechanism 4. When tightening the workpiece, the tightening assembly 5 is controlled to move left and right, front and back, and up and down by the first rotation positioning mechanism 1, the second rotation positioning mechanism 2 and the third rotation positioning mechanism 4, so that the tightening position 504 of the tightening assembly 5 is aligned with the workpiece and the workpiece is tightened. The use is quick and convenient, and the first rotation positioning mechanism 1, the second rotation positioning mechanism 2 and the third rotation positioning mechanism 4 can all record the corresponding movement angles and form a corresponding workpiece tightening sequence diagram, which is convenient for tightening multiple workpieces.
[0027] Specifically, Figures 2 to 3 As shown, the first rotation positioning mechanism 1 includes a first rotating column 103 and a first encoder 102. The first rotating column 103 is rotatably connected to the first rotating member 101. First sleeves 104 are arranged at both ends of the first rotating column 103. The first encoder 102 is arranged on the first sleeve 104. The first rotating column 103 and the first rotating member 101 rotate relative to each other, so that the first sleeve 104 drives the first support arm 3, the second rotation positioning mechanism 2, the third rotation positioning mechanism 4 and the tightening assembly 5 to move left and right, and then the first encoder 102 detects and records the rotation angle of the first rotating column 103 and the first rotating member 101.
[0028] The first rotating member 101 is provided with a support rod 6 , a support seat 7 is provided at the end of the support rod 6 , and the support seat 7 is provided with four fixing holes 701 . The support seat 7 can be fixed to an external device by passing screws through the fixing holes 701 .
[0029] like Figure 3 to Figure 4 As shown, the second rotation positioning mechanism 2 includes a second rotating member 203 and a second encoder 202. The second rotating member 203 is rotatably connected to the second rotating column 201. Second sleeves 204 are provided at both ends of the second rotating column 201. The second encoder 202 is provided on the second sleeve 204. One end of the first support arm 3 is sleeved on the first sleeve 104, and the other end of the first support arm 3 is sleeved on the second sleeve 204. The second rotating member 203 and the second rotating column 201 rotate relative to each other, so that the second sleeve 204 drives the third rotation positioning mechanism 4 and the tightening assembly 5 to move left and right, and then the second encoder 202 detects and records the rotation angle of the second rotating member 203 and the second rotating column 201.
[0030] like Figure 4As shown, the third rotation positioning mechanism 4 includes a second support arm 401 and a third support arm 402, one end of the second support arm 401 and the third support arm 402 is provided with a first rotating member 403, the other end of the second support arm 401 and the third support arm 402 is provided with a second rotating member 404, the first rotating member 403 is rotatably connected to the second rotating member 203, a third encoder 407 is provided on the side of the first rotating member 403, a cylinder 405 is provided between the second support arm 401 and the third support arm 402, and a clamp is provided at the end of the cylinder rod of the cylinder 405 The holding member 406, the clamping member 406 is fixed on the second support arm 401, and the end of the cylinder 405 is fixed on the first rotating member 403. The first rotating member 403, the second rotating member 404, the second support arm 401 and the third support arm 402 form an inclined parallelogram. When the cylinder rod of the cylinder 405 is extended and retracted to drive the second support arm 401 to move, the first rotating member 403 and the second rotating member 404 both rotate in the moving direction, so that the tightening component 5 moves up and down, and then the rotation angle of the first rotating member 403 is detected and recorded by the third encoder 407.
[0031] like Figures 5 and 6 As shown, the tightening assembly 5 includes a motor 501, which is connected to a rotary starting handle 502. A tightening piece 503 is provided at the end of the rotary starting handle 502, and a tightening position 504 is provided at the end of the tightening piece 503. When the tightening position 504 is aligned with the workpiece, the motor 501 is started to rotate the rotary starting handle 502, and the rotary starting handle 502 drives the tightening piece 503 to rotate, thereby performing a tightening operation on the workpiece.
[0032] A slot 5011 is provided on the side of the motor 501, a first through hole 5012 is provided in the slot 5011, a connecting member 4043 is provided at the end of the second rotating member 404, a convex member 4041 is provided at the end of the connecting member 4043, and a second through hole 4042 is provided in the convex member 4041. The slot 5011 corresponds to the convex member 4041, and the first through hole 5012 corresponds to the second through hole 4042. Bolts are used to pass through the first through hole 5012 and the second through hole 4042 to fix the connecting member 4043 and the motor 501 together.
[0033] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. However, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An intelligent positioning and tightening device, characterized in that: The invention comprises a first rotation positioning mechanism (1) and a second rotation positioning mechanism (2), wherein a plurality of first support arms (3) are sleeved between the first rotation positioning mechanism (1) and the second rotation positioning mechanism (2), a third rotation positioning mechanism (4) is rotationally connected to the side of the second rotation positioning mechanism (2), and a tightening assembly (5) is arranged on the side of the third rotation positioning mechanism (4); The first rotation positioning mechanism (1) comprises a first rotating column (103) and a first encoder (102); the first rotating column (103) is rotatably connected to a first rotating member (101); first sleeves (104) are arranged at both ends of the first rotating column (103); and the first encoder (102) is arranged on the first sleeve (104); The second rotation positioning mechanism (2) comprises a second rotating member (203) and a second encoder (202); a second rotating column (201) is rotatably connected inside the second rotating member (203); second sleeves (204) are arranged at both ends of the second rotating column (201); the second encoder (202) is arranged on the second sleeve (204); one end of the first support arm (3) is sleeved on the first sleeve (104); and the other end of the first support arm (3) is sleeved on the second sleeve (204); The third rotation positioning mechanism (4) comprises a second support arm (401) and a third support arm (402), wherein a first rotating member (403) is arranged at one end of the second support arm (401) and the third support arm (402), and a second rotating member (404) is arranged at the other end of the second support arm (401) and the third support arm (402), the first rotating member (403) is rotatably connected to the second rotating member (203), and a third encoder (407) is arranged on the side of the first rotating member (403).
2. The intelligent positioning and tightening device according to claim 1, characterized in that: A cylinder (405) is arranged between the second supporting arm (401) and the third supporting arm (402), a clamping member (406) is arranged at the end of the cylinder rod of the cylinder (405), the clamping member (406) is fixed on the second supporting arm (401), and the end of the cylinder (405) is fixed on the first rotating member (403).
3. The intelligent positioning and tightening device according to claim 2, characterized in that: The tightening assembly (5) comprises a motor (501), the motor (501) is connected to a rotary start handle (502), a tightening piece (503) is arranged at the end of the rotary start handle (502), and a tightening position (504) is arranged at the end of the tightening piece (503).
4. The intelligent positioning and tightening device according to claim 3, characterized in that: The motor (501) is provided with a slot (5011) on the side thereof, a first through hole (5012) is provided in the slot (5011), a connecting member (4043) is provided at the end of the second rotating member (404), a convex member (4041) is provided at the end of the connecting member (4043), the convex member (4041) is provided with a second through hole (4042), the slot (5011) corresponds to the convex member (4041), and the first through hole (5012) corresponds to the second through hole (4042).
5. The intelligent positioning and tightening device according to claim 1, characterized in that: The first rotating member (101) is provided with a support rod (6), a support seat (7) is provided at the end of the support rod (6), and the support seat (7) is provided with a plurality of fixing holes (701).
Citation Information
Patent Citations
Bolt positioning and tightening device based on encoder
CN211362130U