CN112935779B - Method for quickly screwing out screw - Google Patents
Method for quickly screwing out screw Download PDFInfo
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- CN112935779B CN112935779B CN202110186247.7A CN202110186247A CN112935779B CN 112935779 B CN112935779 B CN 112935779B CN 202110186247 A CN202110186247 A CN 202110186247A CN 112935779 B CN112935779 B CN 112935779B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 26
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
Abstract
The invention discloses a method for quickly screwing out a screw, which comprises the following steps: extending the top of the screw which is difficult to unscrew into a screw sleeve of the electric tool, and enabling the inner wall of the screw sleeve to be attached to the screw; starting a main motor of the electric tool so as to drive a motor shaft to rotate, and driving a screw sleeve to rotate through the motor shaft so as to unscrew a screw; if the screw is still difficult to unscrew, the driving power shaft is driven to rotate through the rotation of the motor shaft, the cam is driven to rotate through the rotation of the driving power shaft, the left and right sliding rods are driven to slide left and right through the rotation of the cam, the left and right sliding rods slide left and right so as to drive the top ends of the left and right swing rods to swing left and right through the rotation connection of the left and right rotating shafts, and meanwhile, the bottom ends of the left and right swing rods are driven to swing left and right through the hinging of the left and right connecting rods so as to drive the left and right impact blocks to impact the left and right end surfaces of the screw sleeve, so that vibration is generated and the screw is driven to vibrate, and the connection of the screw is driven to loosen; the screw can be continuously unscrewed through the continuous rotation of the screw sleeve, and when the screw is loosened through vibration, the screw is unscrewed through the screw sleeve.
Description
Technical Field
The invention relates to the field of electric tools, in particular to a method for quickly screwing out a screw.
Background
In the prior art, the situation that the screw is difficult to unscrew is frequently encountered, the difficult unscrewing of the screw is probably caused by adhesion caused by long-time connection between threads, or rust caused by wetness of a working environment and the like, the screw is difficult to unscrew efficiently by the existing screw screwing method, the time waste is easy to be caused, namely the screw is difficult to handle under the condition that various screws are difficult to unscrew, and the use requirement is difficult to be met.
Disclosure of Invention
The invention aims to provide a method for quickly screwing out a screw, which aims to solve the technical defect that an electric tool in the prior art cannot screw out a screw which is difficult to screw out more efficiently.
In order to solve the problems, the invention adopts the following technical scheme:
the invention relates to a method for quickly screwing out a screw, which comprises the following steps:
extending the top of the screw which is difficult to unscrew into a screw sleeve of the electric tool, and enabling the inner wall of the screw sleeve to be attached to the screw;
starting a main motor of the electric tool so as to drive a motor shaft to rotate, and driving a screw sleeve to rotate through the motor shaft so as to unscrew a screw;
if the screw is still difficult to unscrew, the driving power shaft is driven to rotate through the rotation of the motor shaft, the cam is driven to rotate through the rotation of the driving power shaft, the left and right sliding rods are driven to slide left and right through the rotation of the cam, the left and right sliding rods slide left and right so as to drive the top ends of the left and right swing rods to swing left and right through the rotation connection of the left and right rotating shafts, and meanwhile, the bottom ends of the left and right swing rods are driven to swing left and right through the hinging of the left and right connecting rods so as to drive the left and right impact blocks to impact the left and right end surfaces of the screw sleeve, so that vibration is generated and the screw is driven to vibrate, and the connection of the screw is driven to loosen;
the screw can be continuously unscrewed through the continuous rotation of the screw sleeve, and when the screw is loosened through vibration, the screw is unscrewed through the screw sleeve.
According to the screw rapid screwing-out method, the sleeve cavity with the downward opening is arranged in the screw sleeve, the annular array in the sleeve cavity is communicated with the clamping block cavities, the plurality of clamping block cavities are horizontally and dynamically connected with the sleeve blocks, the sleeve springs are fixedly connected between the end face of one side of the plurality of sleeve blocks, which is far away from the sleeve cavity, and the side wall of the plurality of clamping block cavities, which is far away from the sleeve cavity, and the sleeve blocks are attached to the screws under the action of the sleeve springs, so that the inner walls of the screw sleeves are attached to the screws.
According to the screw rapid screwing-out method, the top of the screw sleeve is fixedly connected with the rotating cylinder, and the rotating cylinder is driven to rotate when the motor shaft rotates, so that the screw sleeve is driven to rotate.
According to the screw rapid screwing-out method, the connecting sleeve is fixedly connected to the top of the rotating cylinder, and the motor shaft drives the connecting sleeve to rotate through the engagement of the lower side gear and the second gear, so that the rotating cylinder is driven to rotate.
The above-mentioned quick screw out method, the rotation of motor shaft drives the rotation of main drive axle and specifically includes: the electromagnet is started to absorb the magnetic ring against the thrust of the clutch spring, so that the gear sleeve is driven to move upwards, the upper side gear is driven to be meshed with the first gear, and the main power shaft is driven to rotate through the rotation of the motor shaft.
According to the screw rapid screwing-out method, when the motor shaft rotates, the connecting sleeve and the main power shaft are synchronously driven to rotate.
According to the screw rapid screwing-out method, the gear sleeve moves upwards and is meshed with the first gear through the upper side gear, and the lower side gear and the second gear are in a meshed state, so that the connecting sleeve and the main power shaft are synchronously driven to rotate when the motor shaft rotates.
According to the screw rapid screwing-out method, the pushing block is driven to reciprocate up and down while the main power shaft rotates, so that the hemispherical block and the vibrating block are driven to collide to vibrate, vibration is transmitted to the screw through the screw sleeve, and the screw is driven to be connected to loosen.
According to the method for quickly screwing out the screw, the pushing block moves up and down in a reciprocating manner, so that the vibrating plate is pushed to overcome the thrust of the vibrating spring to move downwards, and at the moment, when the jacking block and the cushion are staggered, the vibrating spring is just stretched to a limit state, so that the vibrating plate can be pushed to move upwards instantly through the thrust of the vibrating spring, and the hemispherical block and the vibrating block are driven to collide to form vibration.
According to the method for quickly screwing out the screw, the driving bevel gear is driven to rotate by rotation of the driving power shaft, the crank shaft is driven to rotate by intermittent meshing transmission of the driving bevel gear and the driven bevel gear through key connection, the crank wheels on the left side and the right side are driven to rotate by rotation of the crank shaft, the connecting shafts on the left side and the right side are driven to rotate around the crank shaft by rotation of the crank wheels on the left side and the right side, the left side and the right side swing blocks are driven to swing in a overturning mode, and the push block is driven to reciprocate up and down by hinging between the swing blocks and the push block.
According to the invention, when the screw is difficult to unscrew, the left swing rod and the right swing rod are pushed by the cam to push the impact blocks to impact the two sides of the screw sleeve, so that the vibration of the left side and the right side is generated at the joint of the screw, meanwhile, the intermittent meshing of the gears is used for maximizing the thrust of the spring, so that the vibration of the upper side and the lower side is generated, the vibration of the upper side and the lower side is generated at the joint of the screw, and the screw difficult to unscrew can be loosened rapidly through the vibration of two directions.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of the power tool of the present invention;
FIG. 2 is a schematic diagram of the structure of A-A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure of B in FIG. 1;
FIG. 4 is an enlarged schematic view of the structure of C in FIG. 1;
FIG. 5 is an enlarged schematic view of the structure of D in FIG. 1;
FIG. 6 is an enlarged schematic view of the structure E-E of FIG. 5;
fig. 7 is a schematic view of the screw quick-unscrewing method of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
An electric tool for screwing screws in this embodiment includes, as shown in fig. 1 to 6, a transmission case 11, a transmission cavity 13 is provided in the transmission case 11, a rotary drum 12 is rotatably connected to a lower end surface of the transmission case 11, a vibration cavity 36 is provided in the rotary drum 12, a main power shaft 14 extending downward into the vibration cavity 36 through the rotary drum 12 is rotatably connected to an upper wall of the transmission cavity 13, a motor shaft 29 located on the right side of the main power shaft 14 is rotatably connected between upper and lower walls of the transmission cavity 13, a gear sleeve 33 is keyed to an outer circumferential surface of the motor shaft 29, a main motor 27 located on the right side of the main power shaft 14 is fixedly provided on an upper wall of the transmission cavity 13, an electromagnet 28 surrounding the motor shaft 29 is fixedly provided on an upper wall of the transmission cavity 13, a magnetic ring 31 surrounding the motor shaft 29 is fixedly connected to an upper end surface of the gear sleeve 33, and a clutch spring 30 having a top end abutting against the upper wall of the transmission cavity 13 and a bottom abutting against the upper end surface of the gear sleeve 33 is sleeved on an outer circumferential surface of the motor shaft 29. The outer circle surface of one side of the main power shaft 14 positioned in the transmission cavity 13 is rotationally connected with a connecting sleeve 35 with the lower end surface fixedly connected with the upper end surface of the rotary cylinder 12, the outer circle surface of the main power shaft 14 is communicated with an annular yielding groove 25 positioned on the upper side of the connecting sleeve 35, a first gear positioned on the upper side of the yielding groove 25 is fixedly arranged on the outer circle surface of the main power shaft 14, a second gear is fixedly arranged on the outer circle surface of the connecting sleeve 35, an upper side gear 32 capable of being meshed and driven with the first gear is fixedly connected with the outer circle surface of a gear sleeve 33, and a lower side gear 34 positioned on the lower side of the upper side gear 32 and capable of being meshed and driven with the second gear is fixedly connected with the outer circle surface of the gear sleeve 33.
The left wall and the right wall of the vibration cavity 36 are fixedly connected with a fixing plate 39, the lower wall of the vibration cavity 36 is communicated with a bottom cavity 53, the lower end face of the fixing plate 39 is fixedly connected with a support plate 40 which is bilaterally symmetrical, crankshafts 59 which are distributed between the support plate 40 on the left side and the support plate 40 on the right side and extend to the left side and the right side are connected with the support plate 40 on the left side and the right side in a rotating manner, the tail ends of the outer circular faces of the crankshafts 59 are fixedly connected with crank wheels 44, the end faces of the crank wheels 44 on the left side and the right side are respectively and rotatably connected with a connecting shaft 45, the side 45 on the left side and the right side is mutually far away from is rotatably connected with a swinging block 46, the bottom ends of the swinging blocks 46 on the left side are hinged with push blocks 47 which extend downwards into the bottom cavity 53 and are connected with the front wall and the rear wall of the bottom cavity 53 in a sliding manner, the upper wall and the lower wall of the bottom cavity 53 is connected with a vibrating plate 54 in a sliding manner, a vibrating spring 56 which is bilaterally symmetrical between the lower wall of the bottom cavity 53 and the lower end face of the vibrating plate 54 is fixedly connected with a hemispherical block 55, the upper end face of the vibrating plate 54 is fixedly connected with a hemispherical block 52, and the top end of the bottom wall of the bottom cavity 53 is fixedly connected with a vibrating block 52.
The upper ends of the left wall and the right wall of the vibration cavity 36 are respectively communicated with sliding cavities 38 with openings at the left side and the right side, sliding rods 15 which extend into the vibration cavity 36 towards one side close to each other and extend to the left side and the right side of the rotary cylinder 12 towards one side far away from each other are respectively connected in the sliding cavities 38 at the left side and the right side in a sliding manner, cams 37 capable of pushing the sliding rods 15 at the left side and the right side are fixedly arranged at the top end of the outer circular surface of one side in the vibration cavity 36 of the main power shaft 14, one ends of the sliding rods 15 at the front side and the rear side far away from each other are rotatably connected with rotary shafts 16 which extend to the rear side of the sliding rods 15 backwards, the outer circle surface of the left and right rotating shafts 16, which is positioned at the rear side of the left and right sliding rods 15, is rotationally connected with a swinging rod 17, a connecting rod 18 is hinged between the end surface of one side, which is close to each other, of the left and right swinging rods 17 and the end surface of the left and right rotating cylinder 12, a fixed block 61 is fixedly connected with the bottom end of the end surface of one side, which is close to each other, of the left and right swinging rods 17, a fixed block cavity 62, which is open to one side, is arranged in the left and right fixed block 61, an impact block 65 is connected with the left and right fixed block cavity 62 in a sliding manner, and a buffer spring 63 is fixedly connected between the end surface of one side, which is far away from each other, of the left and right impact blocks 65 and the side wall, which is far away from each other, of the left and right fixed block cavity 62.
The bottom end of the outer circular surface of the driving power shaft 14 is fixedly connected with a driving bevel gear 48, the outer circular surface of a crank shaft 59 is connected with a driven bevel gear 49 which can be meshed with the driving bevel gear 48 for transmission in a key way, the right end surface of the driven bevel gear 49 is fixedly connected with a base plate 50, a base plate cavity 51 which is penetrated left and right is arranged in the base plate 50, a spring seat 58 which is positioned at the left side of the driven bevel gear 49 is fixedly connected between the front wall and the rear wall of the vibration cavity 36, the crank shaft 59 penetrates through the spring seat 58 and is rotationally connected with the spring seat 58, the right end surface of the spring seat 58 is fixedly connected with a connecting spring 57 which is sleeved on the outer circular surface of the crank shaft 59, and the right end of the connecting spring 57 is propped against the left end surface of the driven bevel gear 49. The outer circular surface of the main power shaft 14 is fixedly connected with a top block cylinder 41 positioned between the drive bevel gear 48 and the fixed plate 39, a top block cylinder cavity 42 with a downward opening is arranged in the top block cylinder 41, and the bottom end of the inner circular wall of the top block cylinder cavity 42 is fixedly connected with a top block 43 which is bilaterally symmetrical.
The lower end face of the rotary cylinder 12 is fixedly connected with a screw sleeve 19, a sleeve cavity 20 with a downward opening is arranged in the screw sleeve 19, six symmetrical clamping block cavities 22 are arranged in the sleeve cavity 20 in a circular array and communicated, sleeve blocks 21 are horizontally and dynamically connected in the six clamping block cavities 22, and a sleeve spring 23 is fixedly connected between the end face of one side of the six sleeve blocks 21 far away from the sleeve cavity 20 and the side wall of the six clamping block cavities 22 far away from the sleeve cavity 20.
The method for quickly screwing out the screw according to the embodiment of the invention is realized by the electric tool, before screwing out, the electromagnet 28 and the magnetic ring 31 are in a separated state, the clutch spring 30 is in a relaxed state, the lower side gear 34 and the second gear are in a meshed state, the upper side gear 32 and the first gear are in a separated state, the vibration spring 56 is in a relaxed state, the buffer spring 63 is in a relaxed state, and the sleeve spring 23 is in a relaxed state. When the hexagonal head screw is unscrewed, as shown in fig. 7, the top of the hexagonal head screw which is difficult to unscrew is extended into the sleeve cavity 20, the six sleeve blocks 21 are attached to the screw, the main motor 27 is started to drive the motor shaft 29 to rotate, the connecting sleeve 35 is driven to rotate through the engagement of the lower side gear 34 and the second gear, the rotary cylinder 12 is driven to rotate, the screw sleeve 19 is driven to unscrew the screw, the sleeve blocks 21 are driven to move away from the sleeve cavity 20 side against the thrust of the sleeve spring 23 if the screw is still difficult to unscrew, the electromagnet 28 is started to absorb the magnetic ring 31 against the thrust of the clutch spring 30, the gear sleeve 33 is driven to move upwards, the upper side gear 32 is driven to be meshed with the first gear, the main power shaft 14 is driven to rotate through the rotation of the motor shaft 29, the cam 37 is driven to rotate through the rotation of the main power shaft 14, the left and right sliding rods 15 are pushed to slide left and right by the rotation of the cams 37, the top ends of the left and right swinging rods 17 are driven to swing left and right by the left and right sliding rods 15 to rotate and connect by the left and right rotating shafts 16, the bottom ends of the left and right swinging rods 17 are driven to swing left and right by the hinging of the left and right connecting rods 18 to drive the left and right striking blocks 65 to strike the left and right end surfaces of the screw sleeve 19 to vibrate and drive the screw to vibrate, thereby driving the screw to loosen, simultaneously the top block cylinder 41 is driven to rotate by the rotation of the main power shaft 14, the backing plate 50 is driven by the left and right top blocks 43 to drive the driven bevel gears 49 to overcome the intermittent meshing transmission of the thrust of the left and right connecting springs 57 and the driving bevel gears 48, the driving bevel gear 48 is driven to rotate through rotation of the driving power shaft 14, the crank shaft 59 is driven to rotate through intermittent meshing transmission of the driving bevel gear 48 and the driven bevel gear 49 through key connection, the crank shaft 59 rotates to drive the crank wheels 44 on the left side and the right side, the connecting shafts 45 are driven to rotate around the crank shaft 59 through rotation of the crank wheels 44 on the left side and the right side, the swinging blocks 46 on the left side are driven to swing in a turnover mode, the pushing blocks 47 are driven to reciprocate up and down through hinging between the swinging blocks 46 and the pushing blocks 47, the vibrating plate 54 is pushed to overcome the thrust of the vibrating spring 56 to move downwards, at the moment, the vibrating plate 54 can be pushed upwards through the thrust of the vibrating spring 56 instantly, so that impact is generated between the hemispherical blocks 55 and the vibrating blocks 52 to form vibration, the vibration is transmitted to a screw through the screw sleeve 19, the connection of the screw is loosened, at the moment, the screw can be continuously screwed out through continuous rotation of the connecting sleeve 35, and the screw can be screwed out through the six sleeve blocks 21 when the screw is loosened through vibration.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The method for quickly screwing out the screw is realized by adopting an electric tool, and is characterized in that the electric tool comprises: the transmission box is internally provided with a transmission cavity, the lower end face of the transmission box is rotationally connected with a rotating cylinder, a vibration cavity is arranged in the rotating cylinder, the upper wall of the transmission cavity is rotationally connected with a main power shaft which penetrates through the rotating cylinder and downwards extends to the vibration cavity, a motor shaft positioned on the right side of the main power shaft is rotationally connected between the upper wall and the lower wall of the transmission cavity, the outer round surface of the motor shaft is connected with a gear sleeve, the upper wall of the transmission cavity is fixedly provided with a main motor positioned on the right side of the main power shaft, the lower end face of the main motor is in power connection with the upper end face of the motor shaft, the upper wall of the transmission cavity is fixedly provided with an electromagnet which surrounds the motor shaft, the upper end face of the gear sleeve is fixedly connected with a magnetic ring which surrounds the motor shaft, the outer round surface of the motor shaft is sleeved with a clutch spring, the top end of the clutch spring which is propped against the upper end of the transmission cavity, the outer round surface of one side of the power shaft positioned in the transmission cavity is rotationally connected with a connecting sleeve, the lower end face of which is fixedly connected with the upper end face of the rotating cylinder, the outer circle surface of the main power shaft is communicated with an annular yielding groove positioned on the upper side of the connecting sleeve, a first gear positioned on the upper side of the yielding groove is fixedly arranged on the outer circle surface of the main power shaft, a second gear is fixedly arranged on the outer circle surface of the connecting sleeve, an upper side gear capable of being meshed with the first gear for transmission is fixedly connected with the outer circle surface of the gear sleeve, a lower side gear which is positioned on the lower side of the upper side gear and can be meshed with the second gear for transmission is fixedly connected with the outer circle surface of the gear sleeve, a fixing plate is fixedly connected with the left wall and the right wall of the vibration cavity, a bottom cavity is communicated with the lower wall of the vibration cavity, a support plate which is bilaterally symmetrical is fixedly connected with the lower end surface of the fixing plate, crankshafts which are distributed on the left side and the right side extend to the left side and the right side of the support plate are rotatably connected with crank wheels at the tail ends of the left side and the right side of the outer circle surface of the crankshaft, the end faces of one sides of the crank wheels at the left side and the right side, which are far away from each other, are respectively and rotationally connected with a connecting shaft, one sides of the connecting shafts at the left side and the right side, which are far away from each other, are rotationally connected with swinging blocks, the bottom ends of the swinging blocks at the left side and the right side are hinged with pushing blocks which extend downwards into a bottom cavity and are connected with the front wall and the rear wall of the bottom cavity in an up-down sliding way, vibrating plates are connected with vibrating plates at the left wall and the right wall of the bottom cavity in an up-down sliding way, vibrating springs which are symmetrical in left and right are fixedly connected between the lower wall of the bottom cavity and the lower end face of the vibrating plates, hemispherical blocks are fixedly connected with the top ends of the front wall and the rear wall of the bottom cavity, sliding cavities at the left wall and the right wall of the vibrating cavity are respectively communicated with sliding cavities at the left side and the right wall of the vibrating cavity, sliding rods which extend to the vibrating cavities at the left side and the right side towards the side which are far away from each other are connected with sliding rods which extend to the left side and the rotating cylinder at the left side and the right side towards the far from each other, the top end of the outer circular surface of one side of the main power shaft in the vibration cavity is fixedly provided with a cam capable of pushing the sliding rods on the left side and the right side, one ends, far away from each other, of the front end face and the rear end face of the sliding rods on the left side and the right side are rotationally connected with rotating shafts extending backwards to the rear side of the sliding rods, the outer circular surface of the rear side of the sliding rods on the left side and the right side is rotationally connected with swinging rods, a connecting rod is hinged between the end face of one side, close to each other, of the swinging rods on the left side and the right side and the end face of the rotating cylinder, the bottom end of the end face, close to each other, of the swinging rods on the left side and the right side is fixedly connected with a fixed block, the inside of the fixed block on the left side and the right side is provided with a fixed block cavity, the left side and the right side are slidingly connected with impact blocks, a buffer spring is fixedly connected between the end face of one side, far away from each other, of the impact blocks on the left side and the fixed block cavity on the left side and the right side, of the outer circular surface of the main power shaft is fixedly connected with a driving bevel gear, the outer circumferential surface of the crank shaft is connected with a driven bevel gear which can be meshed with the driving bevel gear for transmission, the right end surface of the driven bevel gear is fixedly connected with a backing plate, a left-right through backing plate cavity is arranged in the backing plate, a spring seat which is positioned at the left side of the driven bevel gear is fixedly connected between the front wall and the rear wall of the vibration cavity, the crank shaft penetrates through the spring seat and is rotationally connected with the spring seat, the right end surface of the spring seat is fixedly connected with a connecting spring which is sleeved on the outer circumferential surface of the crank shaft, the right end of the connecting spring abuts against the left end surface of the driven bevel gear, the outer circumferential surface of the main power shaft is fixedly connected with a jacking block cylinder which is positioned between the driving bevel gear and a fixed plate, a jacking block cylinder cavity with a downward opening is arranged in the jacking block cylinder, the bottom end of the inner circular wall of the jacking block cylinder cavity is fixedly connected with a bilateral symmetry jacking block, a screw sleeve is fixedly connected with the lower end surface of the rotating cylinder, a sleeve cavity with a downward opening is annularly arranged in the screw sleeve, six symmetrical clamping block cavities are communicated in the sleeve cavities, one side end surfaces of the six sleeve blocks far away from the sleeve cavities are horizontally and movably connected with sleeve blocks, and sleeve springs are fixedly connected between one side walls of the six clamping block cavities far from the sleeve cavities;
the method for quickly screwing out the screw comprises the following steps:
extending the top of the screw which is difficult to unscrew into a screw sleeve of the electric tool, and enabling the inner wall of the screw sleeve to be attached to the screw;
starting a main motor of the electric tool so as to drive a motor shaft to rotate, and driving a screw sleeve to rotate through the motor shaft so as to unscrew a screw;
if the screw is still difficult to unscrew, the driving power shaft is driven to rotate through the rotation of the motor shaft, the cam is driven to rotate through the rotation of the driving power shaft, the left and right sliding rods are driven to slide left and right through the rotation of the cam, the left and right sliding rods slide left and right so as to drive the top ends of the left and right swing rods to swing left and right through the rotation connection of the left and right rotating shafts, and meanwhile, the bottom ends of the left and right swing rods are driven to swing left and right through the hinging of the left and right connecting rods so as to drive the left and right impact blocks to impact the left and right end surfaces of the screw sleeve, so that vibration is generated and the screw is driven to vibrate, and the connection of the screw is driven to loosen; the main power shaft rotates and drives the pushing block to reciprocate up and down, so that the hemispherical block and the vibrating block are driven to collide to vibrate, vibration is transmitted to the screw through the screw sleeve, the screw is driven to be connected to loosen, the pushing block reciprocates up and down, the vibrating plate is pushed to overcome the thrust of the vibrating spring to move downwards, at the moment, when the pushing block and the pad are staggered, the vibrating spring is just stretched to a limit state, and the vibrating plate can be pushed to move upwards instantaneously through the thrust of the vibrating spring, so that the hemispherical block and the vibrating block are driven to collide to vibrate;
the screw can be continuously unscrewed through the continuous rotation of the screw sleeve, and when the screw is loosened through vibration, the screw is unscrewed through the screw sleeve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110186247.7A CN112935779B (en) | 2021-02-17 | 2021-02-17 | Method for quickly screwing out screw |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110186247.7A CN112935779B (en) | 2021-02-17 | 2021-02-17 | Method for quickly screwing out screw |
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| CN112935779A CN112935779A (en) | 2021-06-11 |
| CN112935779B true CN112935779B (en) | 2023-12-05 |
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| CN2414871Y (en) * | 2000-01-21 | 2001-01-17 | 邵阳市自力达工具有限责任公司 | Electric screw assembling and disassembling machine |
| JP2003220527A (en) * | 2002-01-28 | 2003-08-05 | Mitsubishi Heavy Ind Ltd | Attaching/detaching device for screw |
| CN206795700U (en) * | 2017-04-25 | 2017-12-26 | 浙江超力机械工具制造有限公司 | A kind of impact component of electric wrench |
| CN107553383A (en) * | 2017-10-15 | 2018-01-09 | 冯建娟 | Electric wrench sleeve |
| CN209665233U (en) * | 2019-03-08 | 2019-11-22 | 上海运征机电科技有限公司 | Direct current bumping electric spanner with pressing plate |
| CN212399403U (en) * | 2020-06-10 | 2021-01-26 | 遵义市宇堂机械制造有限公司 | Disassembling tool structure of hydraulic nut |
| CN112077590A (en) * | 2020-09-24 | 2020-12-15 | 青岛军平减震科技有限公司 | Rusty screw screwing device |
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| CN112935779A (en) | 2021-06-11 |
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Effective date of registration: 20231110 Address after: No. 12 Aqia East Road, Hotan City, Hotan Prefecture, Xinjiang Uygur Autonomous Region, 848000 Applicant after: Xinjiang Tianyue Xinglong Construction and Installation Engineering Co.,Ltd. Address before: 321300 Room 403, building 2, No.15 Zili Road, Lutou village, Yongkang Economic Development Zone, Jinhua City, Zhejiang Province Applicant before: Cui Lian |
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