CN111890285A

CN111890285A - Electric wrench for rusted nut

Info

Publication number: CN111890285A
Application number: CN202010832593.3A
Authority: CN
Inventors: 刘华
Original assignee: Ningbo Zhenhai Boyue Lock Co ltd
Current assignee: Ningbo Zhenhai Boyue Lock Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2020-11-06

Abstract

The invention discloses an electric wrench aiming at rusted nuts, which comprises an arrangement part, wherein a motor is embedded in the lower end surface of the arrangement part, a motor shaft is controlled by the motor, an arrangement plate is fixedly arranged on the motor shaft, a nut loosening mechanism is arranged on the lower end surface of the arrangement plate and comprises an arrangement block, a second air cylinder is embedded in the lower side of the arrangement block, and a second air cavity is arranged in the second air cylinder.

Description

Electric wrench for rusted nut

Technical Field

The invention relates to the field of part processing, in particular to an electric wrench for rusted nuts.

Background

The nut is a nut, and is screwed together with a bolt or a screw rod to be used as a part for fastening, an element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials, because the nut is located in an oil stain place of equipment for a long time or rusts easily due to rain weather and some external reasons, the part is usually maintained by disassembling the inside of the part, and the rusty nut needs to be unscrewed, the unscrewing efficiency of the rusty nut in the prior art is too low, the labor amount is too large, and the rust removal cost is higher, so that a large amount of rust removal work is not suitable.

Disclosure of Invention

The invention aims to provide an electric wrench for rusted nuts, and solves the problems of low efficiency and large labor amount of the rusted nuts.

The invention is realized by the following technical scheme.

The invention relates to an electric wrench for rusted nuts, which comprises an arrangement piece, wherein a motor is embedded in the lower end surface of the arrangement piece, a motor shaft is controlled by the motor, an arrangement plate is fixedly arranged on the motor shaft, a nut loosening mechanism is arranged on the lower end surface of the arrangement plate and comprises an arrangement block, a second air cylinder is embedded in the lower side of the arrangement block, a second air cavity is arranged in the second air cylinder, a second piston is arranged in the second air cavity in a sliding manner, a fixed block is fixedly arranged on the lower end surface of the second piston, a first slide rail is fixedly arranged on the left end surface of the arrangement block, a first slide groove with a right opening is arranged on the first slide rail, a first slide block is arranged in the first slide groove in a sliding manner, the upper end surface of the first slide block is fixedly connected with the inner wall of the upper side of the first slide groove through a first spring, and a first connecting, a first air cylinder is fixedly arranged on the right end face of the first connecting piece, a first air cavity is arranged in the first air cylinder, a first piston is arranged in the first air cavity in a sliding manner, a rust removal scraper is fixedly arranged on the right end face of the first piston, a high-frequency alternating current box is embedded in the upper side of the arrangement block, a second slide rail is fixedly arranged on the right end face of the arrangement block, a second slide groove with a leftward opening is arranged on the second slide rail, a second slide block is arranged in the second slide groove in a sliding manner, a first electromagnet is fixedly arranged on the lower end face of the second slide block, a second electromagnet is fixedly arranged on the inner wall of the lower side of the second slide groove, the first electromagnet is fixedly connected with the second electromagnet through a second spring, a second connecting piece is fixedly arranged on the right end face of the second slide block, a copper pipe is fixedly arranged on the right end face of the second, an oil storage tank is fixedly arranged on the front end face of the arrangement block, an oil storage space is arranged in the oil storage tank, an oil injection port is fixedly arranged on the lower side of the rear end face of the oil storage tank, an oil injection pipeline is arranged in the oil injection port, an oil injection valve is fixedly arranged on the inner wall of the lower side of the oil storage space and connected with the oil storage space and the oil injection pipeline, a third slide rail is fixedly arranged on the rear end face of the arrangement block, a third slide groove is arranged in the third slide rail, a third slide block is slidably arranged in the third slide groove, a third electromagnet is fixedly arranged on the upper end face of the third slide block, a fourth electromagnet is fixedly arranged on the inner wall of the upper side of the third slide groove, the third electromagnet is fixedly connected with the fourth electromagnet through a third spring, a fourth slide rail is fixedly arranged on the lower end face of the third slide block, a fourth slide groove with a forward opening is arranged on the fourth slide rail, the fixed clamp motor that is equipped with of fourth slide rail left end face, it is equipped with the threaded rod to press from both sides tight motor control, the threaded rod with fourth slider screw-thread fit, control the screw thread of two fourth sliders and revolve to opposite, the fixed third connecting piece that is equipped with of terminal surface before the fourth slider, the fixed clamp rod that is equipped with of terminal surface before the third connecting piece.

Preferably, the motor is used as a center, four support frames are uniformly and fixedly arranged on the arrangement piece, a spring cavity is arranged on the lower side of each support frame, a pressure rod is arranged in the spring cavity in a sliding mode, the upper end face of the pressure rod is fixedly connected with the inner wall of the upper side of the spring cavity through a pressure spring, and a friction block is fixedly arranged on the lower end face of the pressure rod.

Preferably, a handle is fixedly arranged on the upper end face of the arrangement part.

The invention has the beneficial effects that: the invention can automatically and quickly finish the unscrewing work of the rusted screw, can quickly remove the rust in the thread tooth socket of the protruding part of the bolt by the motor and the rust removing scraper, and is used for unscrewing the nut from the bolt to remove the blocked impurities.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of the present invention in the direction of A-A in FIG. 1;

FIG. 3 is a schematic view of the embodiment of the present invention in the direction B-B in FIG. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1-3, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Combine fig. 1-3 an electric wrench to rusty nut, including arranging a 11, it is equipped with motor 17 to arrange the terminal surface in 11, motor 17 control is equipped with motor shaft 18, the last fixed arrangement board 19 that is equipped with of motor shaft 18, the terminal surface is equipped with loose nut mechanism 70 under the arrangement board 19, loose nut mechanism 70 is including arranging piece 20, it is embedded to be equipped with second cylinder 32 to arrange the piece 20 downside, be equipped with second air chamber 33 in the second cylinder 32, it is equipped with second piston 34 to slide in the second air chamber 33, the terminal surface is fixed to be equipped with fixed block 35 under the second piston 34, it is fixed and is equipped with first slide rail 21 to arrange the piece 20 left end, be equipped with opening first spout 22 to the right on the first slide rail 21, it is equipped with first slider 23 to slide in the first spout 22, first slider 23 up end with the side inner wall passes through first spring 24 fixed connection on the first spout 22, the right end face of the first sliding block 23 is fixedly provided with a first connecting piece 25, the right end face of the first connecting piece 25 is fixedly provided with a first air cylinder 26, a first air cavity 27 is arranged in the first air cylinder 26, a first piston 28 is arranged in the first air cavity 27 in a sliding manner, a derusting scraper 29 is arranged in the right end face of the first piston 28 in a sliding manner, a high-frequency alternating current box 30 is embedded in the upper side of the arrangement block 20, a second sliding rail 62 is fixedly arranged on the right end face of the arrangement block 20, a second sliding groove 36 with a leftward opening is arranged on the second sliding rail 62, a second sliding block 37 is arranged in the second sliding groove 36 in a sliding manner, a first electromagnet 38 is fixedly arranged on the lower end face of the second sliding block 37, a second electromagnet 39 is fixedly arranged on the inner wall of the lower side of the second sliding groove 36, the first electromagnet 38 is fixedly connected with the second electromagnet 39 through a second spring 40, and, a copper pipe 42 is fixedly arranged on the right end face of the second connecting piece 41, the copper pipe 42 is fixedly connected with the high-frequency alternating current box 30 through a lead 31, an oil storage box 44 is fixedly arranged on the front end face of the arrangement block 20, an oil storage space 45 is arranged in the oil storage box 44, an oil injection port 46 is fixedly arranged on the lower side of the rear end face of the oil storage box 44, an oil injection pipeline 47 is arranged in the oil injection port 46, an oil injection valve 48 is fixedly arranged on the inner wall of the lower side of the oil storage space 45, the oil injection valve 48 is connected with the oil storage space 45 and the oil injection pipeline 47, a third slide rail 49 is fixedly arranged on the rear end face of the arrangement block 20, a third slide groove 50 is arranged in the third slide rail 49, a third slide groove 51 is arranged in the third slide groove 50 in a sliding manner, a third electromagnet 52 is fixedly arranged on the upper end face of the third slide block 51, a fourth electromagnet 53 is fixedly arranged on the inner wall of the upper side of, the fixed fourth slide rail 55 that is equipped with of terminal surface under the third slider 51, be equipped with the forward fourth spout 56 of opening on the fourth slide rail 55, bilateral symmetry slides in the fourth spout 56 and is equipped with two fourth sliders 61, the fixed clamp motor 60 that is equipped with of fourth slide rail 55 left end face, the control of clamp motor 60 is equipped with threaded rod 57, threaded rod 57 with fourth slider 61 screw-thread fit, the screw thread of controlling two fourth sliders 61 is revolved to opposite, the fixed third connecting piece 58 that is equipped with of terminal surface before the fourth slider 61, the fixed clamping bar 59 that is equipped with of terminal surface before the third connecting piece 58.

Advantageously, four support frames 12 are uniformly and fixedly arranged on the arrangement member 11 with the motor 17 as a center, a spring cavity 13 is arranged on the lower side of each support frame 12, a pressure rod 14 is arranged in the spring cavity 13 in a sliding manner, the upper end surface of the pressure rod 14 is fixedly connected with the inner wall of the upper side of the spring cavity 13 through a pressure spring 15, and a friction block 16 is fixedly arranged on the lower end surface of the pressure rod 14.

Advantageously, a handle 43 is fixedly arranged on the upper end face of the arrangement 11.

In the initial state, the oil storage space 45 is filled with cooling oil.

The whole device is pressed on the surface of a workpiece connected with a rusted bolt nut by holding a handle 43 by hand, so that the lower end face of a first air cylinder 26 is contacted with the upper end face of the nut, a second piston 34 and a fixed block 35 move downwards by air inlet of a second air cavity 33, after the fixed block 35 is contacted with the center of the upper end face of the bolt, the air inlet of the second air cavity 33 is stopped, a friction block 16 is tightly attached to the surface of the workpiece, a pressure rod 14 moves towards a spring cavity 13 to compress a pressure spring 15, the air inlet of the first air cavity 27 controls the right movement of the first piston 28 and a rust removing scraper 29, so that the rust removing scraper 29 is clamped into the bottom of a thread tooth-shaped groove of the bolt, the air inlet of the first air cavity 27 is stopped, a first electromagnet 38 and a second electromagnet 39 are electrified and attracted, the second slider 37, a second connecting piece 41 and a copper pipe 42 are driven by the first electromagnet 38 to move downwards, so that, meanwhile, the high-frequency alternating current box 30 starts the control copper pipe 42 to electromagnetically heat the nut, the derusting scraper 29 is screwed out from the bottom of the thread profile along the thread, the motor 17 stops, the derusting scraper 29 cleans iron rust at the bottom of the thread profile, the nut is heated to be red, the high-frequency alternating current box 30 is powered off, the first electromagnet 38 and the second electromagnet 39 are powered off, the copper pipe 42 moves back to the initial position under the action of the second spring 40, the oil injection valve 48 is opened, so that cooling oil in the oil storage space 45 is injected into the joint of the nut and the bolt through the oil injection pipeline 47 in the oil injection port 46, the oil injection valve 48 is closed, the third electromagnet 52 and the fourth electromagnet 53 are powered on and repelled, the third electromagnet 52 drives the third sliding block 51, the fourth sliding rail 55 and the clamping rod 59 to move downwards to the side of the nut, the clamping motor 60 starts the control 57 to rotate, the threaded rod 57 drives the two fourth sliding blocks 61, so that the fourth slider 61 drives the third connecting piece 58 and the clamping rod 59 to clamp the nut, the clamping motor 60 is stopped, the third electromagnet 52 and the fourth electromagnet 53 are powered off, the motor 17 is started again, the control motor shaft 18 drives the arrangement plate 19 to rotate, the arrangement plate 19 drives the third slide rail 49, the third slider 51, the fourth slide rail 55 and the clamping rod 59 to rotate, the clamping rod 59 drives the nut to rotate, the nut is screwed out of the bolt upwards, the motor 17 is stopped, the clamping motor 60 rotates reversely, the fourth sliding block 61, the third connecting piece 58 and the clamping rod 59 are controlled to return to the initial position, the nut is separated from the clamping rod 59, the whole device is manually separated from a workpiece, the pressure rod 14 and the friction block 16 return to the initial position under the action of the pressure spring 15, the rust removing scraper 29 returns to the initial position under the action of the first spring 24, and the clamping rod 59 returns to the initial position under the action of the third spring 54.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an electric spanner to rusty nut, is including arranging piece, its characterized in that: the motor is embedded in the lower end face of the arrangement part, the motor is controlled to be provided with a motor shaft, an arrangement plate is fixedly arranged on the motor shaft, a nut loosening mechanism is arranged on the lower end face of the arrangement plate and comprises an arrangement block, a second air cylinder is embedded in the lower side of the arrangement block, a second air cavity is arranged in the second air cylinder, a second piston is arranged in the second air cavity in a sliding manner, a fixed block is fixedly arranged on the lower end face of the second piston, a first slide rail is fixedly arranged on the left end face of the arrangement block, a first slide groove with a right opening is arranged on the first slide rail, a first slide block is arranged in the first slide groove in a sliding manner, the upper end face of the first slide block is fixedly connected with the inner wall of the upper side of the first slide groove through a first spring, a first connecting part is fixedly arranged on the right end face of the first slide block, a first air cylinder is fixedly arranged, a first piston is arranged in the first air cavity in a sliding manner, a derusting scraper is fixedly arranged on the right end face of the first piston, a high-frequency alternating current box is embedded in the upper side of the arrangement block, a second slide rail is fixedly arranged on the right end face of the arrangement block, a second slide groove with a leftward opening is arranged on the second slide rail, a second slide block is arranged in the second slide groove in a sliding manner, a first electromagnet is fixedly arranged on the lower end face of the second slide block, a second electromagnet is fixedly arranged on the inner wall of the lower side of the second slide groove, the first electromagnet is fixedly connected with the second electromagnet through a second spring, a second connecting piece is fixedly arranged on the right end face of the second slide block, a copper pipe is fixedly arranged on the right end face of the second connecting piece, the copper pipe is fixedly connected with the high-frequency alternating current box through a conducting wire, an oil storage box is, an oil injection port is fixedly arranged on the lower side of the rear end face of the oil storage tank, an oil injection pipeline is arranged in the oil injection port, an oil injection valve is fixedly arranged on the inner wall of the lower side of the oil storage space, the oil injection valve is connected with the oil storage space and the oil injection pipeline, a third slide rail is fixedly arranged on the rear end face of the arrangement block, a third slide groove is arranged in the third slide rail, a third slide block is arranged in the third slide groove in a sliding manner, a third electromagnet is fixedly arranged on the upper end face of the third slide block, a fourth electromagnet is fixedly arranged on the inner wall of the upper side of the third slide groove, the third electromagnet is fixedly connected with the fourth electromagnet through a third spring, a fourth slide rail is fixedly arranged on the lower end face of the third slide block, a fourth slide groove with a forward opening is arranged on the fourth slide rail, two fourth slide blocks are symmetrically arranged in the fourth slide groove in a, the clamping motor is controlled to be provided with a threaded rod, the threaded rod is in threaded fit with the fourth sliding blocks, the thread turning directions of the left and right fourth sliding blocks are opposite, a third connecting piece is fixedly arranged on the front end face of each fourth sliding block, and a clamping rod is fixedly arranged on the front end face of each third connecting piece.

2. The power wrench as claimed in claim 1, wherein the power wrench is further characterized in that: the motor is used as the center, four support frames are uniformly and fixedly arranged on the arrangement piece, a spring cavity is formed in the lower side of each support frame, a pressure rod is arranged in the spring cavity in a sliding mode, the upper end face of the pressure rod is fixedly connected with the inner wall of the upper side of the spring cavity through a pressure spring, and a friction block is fixedly arranged on the lower end face of the pressure rod.

3. The power wrench as claimed in claim 2, wherein the power wrench is further characterized in that: the upper end face of the arrangement piece is fixedly provided with a handle.