Nut screwing equipment
By designing a nut-spinning device, which uses a motor to drive the stud to rotate, the inspection of nuts is automated, solving the problem of time-consuming and labor-intensive manual operation and improving inspection efficiency and speed.
Patent Information
- Application Number
- CN202423031164.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-10
AI Technical Summary
In the existing technology, the inspection of the nut by rotating it on the stud relies on manual operation, which is time-consuming, labor-intensive, and inefficient.
A nut-spinning device was designed, comprising a frame, a support and limiting mechanism, a pneumatic clamping mechanism, and a motor drive system. The device achieves automated nut inspection by rotating the stud driven by the motor.
It significantly improves the efficiency of nut rotation detection, reduces the labor intensity of workers, and increases the detection speed.
Smart Images

Figure CN223467779U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to stud nut inspection equipment field especially relates to a screw nut equipment. BACKGROUND
[0002] The stud and nut for building template support need to be inspected after production to ensure that the nut can rotate smoothly on the stud. At present, this inspection work completely relies on manual rotation of the nut from the head end of the stud to the tail end of the stud, which is time-consuming and laborious. UTILITY MODEL CONTENTS
[0003] The utility model aims at overcoming the above problems existing in the prior art and provides a screw nut equipment.
[0004] To achieve the above technical purposes and effects, the utility model realizes the following technical scheme:
[0005] A screw nut equipment, including the machine frame of rectangle, the top of machine frame is equipped with mechanical box, two groups of support limiting mechanism for supporting nut and limiting rotation, two groups of pneumatic clamping mechanism for clamping stud head end, the motor is installed in the mechanical box, two pivot shafts, the motor shaft of motor is equipped with drive gear, one driven gear and one stud locking connector for pulling and inserting cooperation with stud tail are installed on each pivot shaft, drive gear is engaged with two driven gears at the same time, and each stud locking connector is located on the same straight line with corresponding pneumatic clamping mechanism and support limiting mechanism.
[0006] Among them, the support limiting mechanism includes multiple vertical plates that are evenly distributed, and two mutually parallel guide support rods, the vertical plates are vertically installed on the top of the machine frame, and the guide support rods are fixedly installed on the top of the vertical plates.
[0007] Among them, the pneumatic clamping mechanism includes a cylinder bracket, a telescopic cylinder and a cylindrical turntable, the cylinder bracket is installed on the top of the machine frame, the telescopic cylinder is installed on the top of the cylinder bracket, and the turntable is rotatably installed on the end of the telescopic rod of the telescopic cylinder.
[0008] Among them, the side of the machine frame is provided with a pneumatic switch hand valve near the pneumatic clamping mechanism, and the pneumatic switch hand valve is connected with the telescopic cylinder through a pipeline.
[0009] Among them, the side of the machine frame is provided with a motor start-stop control switch near the mechanical box, and the motor start-stop control switch is connected with the motor through a cable.
[0010] Among them, the stud locking connector includes a cylindrical connecting block and a circular truncated cone-shaped locking block, the locking block is integrally made with the connecting block, and the central axis of the locking block is collinear with the central axis of the connecting block.
[0011] The utility model discloses the beneficial effect is: the nut is screwed in the first end of stud, again the tail of stud is covered on stud lock joint, the nut is placed on the support limiting mechanism, and the telescopic cylinder is elongated to make the first end of stud and the first end of stud abut, and the motor drive stud rotation is started, and the nut can only move along the axial of stud from the first end of stud to the tail of stud because the rotation of the nut is limited by the support limiting mechanism, thereby completing the inspection to stud and nut, and the labor intensity of worker is reduced, and the nut rotation speed is improved. BRIEF DESCRIPTION OF DRAWINGS
[0012] The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and serve to explain the utility model, and do not constitute improper limitations on the utility model. In the drawings:
[0013] Fig. 1 It is the three-dimensional structure schematic diagram of the nut rotating equipment in the utility model;
[0014] Fig. 2 It is the structure schematic diagram of the nut rotating equipment side view in the utility model;
[0015] Fig. 3 It is the structure schematic diagram of the nut rotating equipment front view in the utility model;
[0016] Fig. 4 It is the structure schematic diagram of the stud lock joint in the utility model;
[0017] Mark explanation in drawing: stud 100, nut 200, frame 1, mechanical box 2, motor 21, stud lock joint 22, connecting block 221, locking block 222, support limiting mechanism 3, vertical plate 31, guide support rod 32, pneumatic clamping mechanism 4, pneumatic cylinder support 41, telescopic pneumatic cylinder 42, turntable 43, pneumatic switch hand valve 5, motor start-stop control switch 6. DETAILED DESCRIPTION
[0018] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.
[0019] As Figs. 1 to 4 Shown, a kind of nut rotating equipment, including rectangular frame 1, the top of frame 1 is equipped with mechanical box 2, two groups for supporting nut 200 and limiting the support limiting mechanism 3 of nut 200 rotation, two groups for clamping the pneumatic clamping mechanism 4 of stud 100 first end.
[0020] The mechanical box 2 is provided with a motor 21, two rotating shafts, a driving gear is arranged on the motor shaft of the motor 21, one driven gear is arranged on each rotating shaft, and the driving gear is engaged with the two driven gears at the same time; a motor start-stop control switch 6 is arranged on the side of the rack 1 close to the mechanical box 2, and the motor start-stop control switch 6 is connected with the motor 21 through a cable.
[0021] A stud locking joint 22 for being pulled out and inserted with the tail of the stud 100 is further arranged on each rotating shaft, the stud locking joint 22 comprises a cylindrical connecting block 221 and a circular truncated cone-shaped locking block 222, the locking block 222 is integrally formed with the connecting block 221, and the central axis of the locking block 222 is in line with the central axis of the connecting block 221.
[0022] The support limiting mechanism 3 comprises a plurality of vertically distributed vertical plates 31 and two mutually parallel guide support rods 32, the vertical plates 31 are vertically arranged on the top end of the rack 1, and the guide support rods 32 are fixedly arranged on the top end of the vertical plates 31.
[0023] The pneumatic clamping mechanism 4 comprises a cylinder bracket 41, a telescopic cylinder 42 and a cylindrical rotating disc 43, the cylinder bracket 41 is arranged on the top end of the rack 1, the telescopic cylinder 42 is arranged on the top end of the cylinder bracket 41, the rotating disc 43 is rotatably arranged on the telescopic rod of the telescopic cylinder 42, and the rotating disc 43 is coaxial with the telescopic rod of the telescopic cylinder 42; a pneumatic switch hand valve 5 is arranged on the side of the rack 1 close to the pneumatic clamping mechanism 4, the pneumatic switch hand valve 5 is communicated with the telescopic cylinder 42 through a pipeline, and the air source of the telescopic cylinder 42 is provided by an air compressor.
[0024] Each stud locking joint 22 is located on the same straight line with the corresponding pneumatic clamping mechanism 4 and support limiting mechanism 3.
[0025] The inspection process is as follows: the nut is screwed on the head end of the stud, the tail of the stud is sleeved on the stud locking joint, the nut is placed on the support limiting mechanism, the telescopic cylinder is controlled to be elongated so that the rotating disc abuts against the head end of the stud, the motor is started to drive the stud to rotate, the nut can only move along the axial direction of the stud from the head end of the stud to the tail end of the stud due to the rotation limiting effect of the support limiting mechanism, and thus the inspection of the stud and the nut is completed, the motor driving is used to replace manual rotation of the nut, the labor intensity of workers is reduced, and the rotation speed of the nut is improved.
[0026] Compared with the traditional manual inspection mode, in which one worker can perform nut rotation detection on 50 groups of studs and nuts in eight hours, one worker can perform nut rotation detection on 450 groups of studs and nuts in eight hours by using the nut rotation device, and the nut rotation detection efficiency is significantly improved.
[0027] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A nut runner apparatus characterised in that: The rack includes a rectangle rack, a mechanical box installed at the top end of the rack, two sets of support limiting mechanisms for supporting nuts and limiting rotation of the nuts, and two sets of pneumatic clamping mechanisms for clamping the first ends of studs, a motor, and two rotating shafts installed in the mechanical box, a driving gear installed on the motor shaft of the motor, a driven gear and a stud locking connector for pull-in cooperation with the tail of the stud installed on each rotating shaft, and the driving gear simultaneously meshing with the two driven gears, and each stud locking connector being located on the same straight line with the corresponding pneumatic clamping mechanism and support limiting mechanism.
2. A nut runner apparatus according to claim 1, characterised in that: The support limiting mechanism includes a plurality of vertically distributed stand plates and two mutually parallel guide support rods, the stand plates being vertically installed at the top end of the rack, and the guide support rods being fixedly installed at the top end of the stand plates.
3. The nut runner device of claim 1, wherein: The pneumatic clamping mechanism includes a cylinder bracket, a telescopic cylinder, and a cylindrical rotating disc, the cylinder bracket being installed at the top end of the rack, the telescopic cylinder being installed at the top end of the cylinder bracket, and the rotating disc being rotatably installed at the end of the telescopic rod of the telescopic cylinder.
4. A nut runner apparatus according to claim 3, wherein: A pneumatic switch hand valve is installed at the side of the rack near the pneumatic clamping mechanism, and the pneumatic switch hand valve is connected to the telescopic cylinder through a pipeline.
5. The nut runner device of claim 1, wherein: A motor start-stop control switch is installed at the side of the rack near the mechanical box, and the motor start-stop control switch is connected to the motor through a cable.
6. The nut runner device of claim 1, wherein: The stud locking connector includes a cylindrical connecting block and a circular truncated cone-shaped locking block, the locking block being integrally made with the connecting block, and the central axis of the locking block being collinear with the central axis of the connecting block.