CN111571529A - Nail pulling method for automatically pulling out nails - Google Patents
Nail pulling method for automatically pulling out nails Download PDFInfo
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- CN111571529A CN111571529A CN202010375367.7A CN202010375367A CN111571529A CN 111571529 A CN111571529 A CN 111571529A CN 202010375367 A CN202010375367 A CN 202010375367A CN 111571529 A CN111571529 A CN 111571529A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
- B25C11/00—Nail, spike, and staple extractors
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- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention discloses a nail pulling method for automatically pulling out nails, which comprises the following steps: the shell is moved, a nail is placed between the two groups of claws, and then the power mechanism drives the internal thread rod to rotate and pulls the claw shaft to move close to the shell, so that the upper claw and the lower claw are deflected to be close to each other; the upper/lower clamping jaws deflect close to each other to clamp the nail, the clamping jaws retract into the pushing cylinder when the nail is clamped, the end part of the pushing cylinder, which is far away from the shell, is contacted with the board surfaces of the board and the like with the nail, and meanwhile, the power mechanism stops driving the inner threaded rod; the power mechanism drives the external thread rod to rotate and enables the push cylinder to move away from the shell, so that the rest parts of the nail pulling gun except the push cylinder integrally move away from boards such as boards with nails, and the nails can be pulled out. After the nail is pulled out, the power mechanism stops driving the external thread rod and drives the internal thread rod to rotate reversely, and then the claw cancels the clamping of the nail.
Description
Technical Field
The invention relates to the field of buildings, in particular to an automatic nail nipping method.
Background
At present, in the aspect of building construction and when people remachine waste wood, nails need to be pulled out, most of the nails need to be pulled out by a clamp or a claw hammer, and the defects are that the stress on a nail cap and the nails is inclined in the nail pulling process, so that the nail pulling force is large, time and labor are wasted, nail holes and surrounding wood need to be damaged, the labor intensity of workers is high, and the efficiency is low.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide an automatic nail pulling method, which can automatically perform nail pulling operation on boards and the like with nails, fully automate the whole nail pulling process, and ensure that the nails are positioned in clamping jaws only by moving a nail pulling gun, thereby greatly reducing the labor intensity of workers.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
A nail pulling method for automatically pulling out nails comprises the following steps:
s1: a worker moves the shell and places a nail in a clamping area of the electric nail nipping device;
the shell can be divided into two parts which are respectively a main shell section and a handheld section, the main shell section is a rectangular shell structure which is horizontally arranged, one end of the rectangular shell structure is open, and the other end of the rectangular shell structure is closed, the handheld section is a rectangular shell structure which is vertically arranged, the upper end of the rectangular shell structure is open, the lower end of the rectangular shell structure is closed, the upper open end of the handheld section and the bottom of the main shell structure are fixed and are mutually communicated, and the electric nail nipping device comprises a nail nipping mechanism, a power mechanism, a storage battery and a;
the nail nipping mechanism comprises a clamping component and a nail nipping component, the clamping component comprises a fixed support, an inner threaded rod and a clamping jaw assembly, the fixed support consists of three parts which are respectively a fixed section and a connecting section, the fixed section is a rectangular rod-shaped structure with the extending direction parallel to the extending direction of the shell main shell section, the fixed section is fixed between the open end of the fixed section and the shell main shell section, the free end of the fixed section is also provided with a rotary roller, the axial direction of the rotary roller is vertical to the extending direction of the shell hand-held section and vertical to the extending direction of the fixed section of the fixed support, the rotary roller is movably arranged at the free end of the fixed section of the fixed support and can rotate around the axial direction of the rotary roller, the fixed section is provided with two groups which are respectively an upper fixed section and a lower fixed section positioned below;
an installation hole which is axially parallel to the extending direction of the fixed section of the fixed support is arranged at the middle position of the connecting section of the fixed support, the inner threaded rod is of a circular pipeline structure with openings at two ends, the thread of the inner threaded rod is arranged in the inner circular surface, one end of the inner threaded rod is movably arranged in the shell, the other end of the inner threaded rod is coaxially and movably sleeved in the installation hole, and the inner threaded rod can axially rotate around the inner threaded rod;
the claw assembly comprises a claw shaft, claws and elastic sheets, one end of the claw shaft is coaxially connected with the end part of the internal thread rod in the mounting hole in a thread mode, the other end of the claw shaft is positioned in the area between the connecting section of the fixed support and the free end of the fixed section of the fixed support, the claw shaft and the mounting hole form sliding guide fit, the claws are positioned in the area between the connecting section of the fixed support and the free end of the fixed section of the fixed support, the claws are provided with two groups along the extending direction of the handheld section of the shell and are respectively an upper claw and a lower claw positioned below the upper claw, the upper claw is of a V-shaped structure with a downward opening, the lower claw is of a V-shaped structure with an upward opening, the upper claw faces the end part of the connecting section of the fixed support, the lower claw faces the end part of the connecting section of the fixed support in a hinged mode, and the axial direction, the clamping jaw shaft is positioned at the end part of the area between the connecting section of the fixed support and the free end of the fixed section of the fixed support and is fixed between articulated shafts formed at the articulated parts between the upper clamping jaw and the lower clamping jaw, the side surface of the upper clamping jaw facing to the inner threaded rod is contacted with a rotating roller arranged at the free end of the fixed section of the fixed support, the side surface of the lower clamping jaw facing to the inner threaded rod is contacted with a rotating roller arranged at the free end of the lower fixed section of the fixed support, the elastic sheet is of a V-shaped elastic sheet structure with an opening deviating from the inner threaded rod, the elastic sheet is fixed between the two groups of clamping jaws, and the two groups of;
the working personnel move the shell and place the nail between the two groups of claws, and then the power mechanism drives the inner threaded rod to rotate around the self axial direction and pulls the claw shaft to move close to the shell, so that the upper/lower claws deflect close to each other;
s2: the nail pulling component comprises a push cylinder and an external thread rod, the push cylinder is of a rectangular cylinder structure with the extending direction parallel to the extending direction of the fixed section of the fixed support and two open ends, a separating block is arranged in the middle of one open end of the push cylinder, the separating block divides the open end of the push cylinder into two parts which are respectively a first sliding area and a second sliding area below the first sliding area, and a threaded hole is formed in the middle of the separating block;
the push cylinder is sleeved outside the fixed support, the upper fixed section of the fixed support is in sliding guide fit with the sliding area I, the lower fixed section of the fixed support is in sliding guide fit with the sliding area II, and the free ends of the two groups of clamping jaws extend out of the push cylinder and are positioned outside the push cylinder;
the external thread rod is of a circular pipeline structure with openings at two ends, the thread of the external thread rod is externally arranged on the outer circular surface, the external thread rod is coaxially and movably sleeved outside the internal thread rod, the rotation of the external thread rod and the rotation of the internal thread rod are not interfered with each other, and the external thread rod and the threaded hole are in threaded connection;
the upper/lower clamping jaws deflect close to each other to clamp the nail, the clamping jaws retract into the pushing cylinder when the nail is clamped, the end part of the pushing cylinder, which is far away from the shell, is contacted with the board surfaces of the board and the like with the nail, and meanwhile, the power mechanism stops driving the inner threaded rod;
s3: the power mechanism drives the external thread rod, the external thread rod starts to rotate around the self axial direction and drives the pushing cylinder to move away from the shell, and the pushing cylinder is in contact with boards such as boards with nails, so that the rest parts of the nail pulling gun except the pushing cylinder are integrally moved away from the boards such as boards with nails, and the nails can be pulled out.
S4: after the nail is pulled out, the power mechanism stops driving the external thread rod and drives the internal thread rod to rotate reversely, and then the claw cancels the clamping of the nail.
The technical scheme is further improved and optimized.
The power mechanism comprises a driving motor, a power transmission member and a power switching member, wherein the power transmission member is used for receiving the power of the driving motor and transmitting the power to the internal threaded rod or the external threaded rod, and the power switching member is used for switching two groups of power transmission routes in the power transmission member;
the driving motor is fixedly arranged in the main shell section of the shell, and the axial direction of an output shaft of the driving motor is parallel to the extending direction of the main shell section of the shell.
The technical scheme is further improved and optimized.
The power transmission component comprises a transmission shaft, a driving straight gear, a movable support, a driven straight gear I and a driven straight gear II, the axial direction of the transmission shaft is parallel to the extension direction of the main shell section of the shell, and the transmission shaft is movably arranged in the main shell section of the shell and can rotate around the axial direction of the transmission shaft;
a power transmission piece is arranged between the transmission shaft and the driving motor, and power connection transmission is carried out between the transmission shaft and the driving motor through the power transmission piece;
the transmission shaft is connected with the driving straight gear through the linkage component, and when the driving straight gear displaces along the axial direction of the transmission shaft, the transmission shaft can continuously output power to the driving straight gear through the linkage component;
the movable support is movably sleeved outside the transmission shaft and can move along the axial direction of the transmission shaft, the movement of the movable support and the rotation of the transmission shaft do not interfere with each other, the driving straight gear is clamped in the movable support, two end faces of the driving straight gear are both contacted with the movable support, and the movable support can pull the driving straight gear to move synchronously when moving along the axial direction of the transmission shaft;
the first driven straight gear is coaxially and fixedly arranged outside the inner threaded rod, the second driven straight gear is coaxially and fixedly arranged outside the outer threaded rod, and both the first driven straight gear and the second driven straight gear can be meshed with the driving straight gear.
The technical scheme is further improved and optimized.
The power transmission piece is of a straight gear power transmission structure;
the linkage component comprises an external spline arranged on the transmission shaft and an internal spline arranged on the driving straight gear.
The technical scheme is further improved and optimized.
The power switching component comprises a switching component and a resetting component, wherein the switching component comprises a handle, a rotating shaft, an input straight gear and an output rack;
the axial direction of the rotating shaft is parallel to the axial direction of the rotating roller, and the rotating shaft is movably arranged in the handheld section of the shell and can rotate around the axial direction of the rotating shaft;
a through hole is formed in the side face, facing the nail nipping mechanism, of the handheld section of the shell, one end of the handle is located outside the shell, the other end of the handle penetrates through the through hole and is located in the handheld section of the shell, and the end of the handle is fixedly connected with the rotating shaft;
the input straight gear is coaxially and fixedly arranged outside the rotating shaft, the extension direction of the output rack is parallel to the axial direction of the transmission shaft, the output rack is fixedly arranged on the movable support, and the input straight gear is meshed with the output rack.
The technical scheme is further improved and optimized.
The reset assembly comprises a reset shaft, a reset straight gear, a coil spring, a transmitter and a balancing weight, wherein the axial direction of the reset shaft is parallel to the axial direction of the rotating shaft, the reset shaft is movably arranged in the handheld section of the shell and can axially rotate around the reset shaft, the reset straight gear is coaxially and fixedly arranged outside the reset shaft, and the reset straight gear is meshed with the input straight gear;
the coil spring is arranged at the connecting point between the reset shaft and the shell, and the elasticity of the coil spring drives the reset shaft to rotate so as to drive the handle to reset and deflect;
the sensor is arranged outside the reset shaft, and the transmitter is used for judging the moving displacement of the driving spur gear according to the rotation displacement of the inductive reset shaft and transmitting a signal to the driving motor;
the balancing weight is fixedly installed outside the reset shaft, and the gravity of the balancing weight forms damping for the rotation of the reset shaft.
Compared with the prior art, the nail pulling gun has the advantages that nail pulling operation can be automatically carried out on boards and the like with nails, the whole nail pulling process is full-automatic, workers only need to move the nail pulling gun to enable the nails to be located in the clamping jaws, the labor intensity of the workers is greatly reduced, the nail pulling gun is simple and convenient to operate, and the nail pulling efficiency is greatly improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
FIG. 3 is a schematic structural view of the electric nail nipping device of the present invention.
Fig. 4 is a schematic structural view of the nail nipping mechanism of the present invention.
FIG. 5 is a schematic view of the internal components of the staple raising mechanism of the present invention in cooperation.
Fig. 6 is a schematic structural view of the clamping member of the present invention.
Fig. 7 is a schematic view of the internal parts of the clamping member of the present invention engaged.
Figure 8 is a schematic diagram of the jaw assembly of the present invention.
FIG. 9 is a schematic structural view of the nailing member of the present invention.
Fig. 10 is a schematic structural view of the push cylinder of the present invention.
Fig. 11 is a schematic structural diagram of the power mechanism of the present invention.
Fig. 12 is a schematic structural view of a driving motor and a power transmission member according to the present invention.
Fig. 13 is a schematic structural diagram of a switching assembly according to the present invention.
Fig. 14 is a schematic structural diagram of the reset assembly of the present invention.
Fig. 15 is a schematic structural diagram of the reset assembly of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
A nail pulling method for automatically pulling out nails comprises the following steps:
s1: the worker moves the case 100 and places the nail in the holding region of the electric nail nipping apparatus 200;
the shell 100 can be divided into two parts, which are respectively a main shell section and a hand-held section, the main shell section is a rectangular shell structure which is horizontally arranged and has an open end and a closed end, the hand-held section is a rectangular shell structure which is vertically arranged and has an open upper end and a closed lower end, the upper open end of the hand-held section and the bottom of the main shell section are fixed and are communicated with each other, and the electric nail nipping device 200 comprises a nail nipping mechanism 210, a power mechanism 220, a storage battery 230 and a control circuit board 240;
the nail nipping mechanism 210 comprises a clamping member and a nail nipping member, the clamping member comprises a fixed support 211, an internal thread rod 212 and a claw assembly 213, the fixed support 211 is composed of three parts and is a fixed section and a connecting section respectively, the fixed section is a rectangular rod-shaped structure with the extending direction parallel to the extending direction of the main shell section of the shell 100, the fixed section is fixed with the opening end of the main shell section of the shell 100, the free end of the fixed section is also provided with a rotating roller 2111, the rotating roller 2111 is axially vertical to the extending direction of the handheld section of the shell 100 and vertical to the extending direction of the fixed section of the fixed support 211, the rotating roller 2111 is movably arranged at the free end of the fixed section of the fixed support 211 and can rotate around the self axial direction, the fixed section is provided with two groups along the extending direction of the handheld section of the shell 100 and is an upper fixed section and a lower;
a mounting hole which is axially parallel to the extending direction of the fixing section of the fixing support 211 is formed in the middle of the connecting section of the fixing support 211, the internal thread rod 212 is of a circular pipeline structure with openings at two ends, threads of the internal thread rod are arranged in the inner circular surface, one end of the internal thread rod 212 is movably mounted in the shell 100, the other end of the internal thread rod is coaxially and movably sleeved in the mounting hole, and the internal thread rod 212 can axially rotate around itself;
the jaw assembly 213 comprises a jaw shaft 2131, a jaw 2132 and an elastic sheet 2133, wherein one end of the jaw shaft 2131 is coaxially connected with the end part of the internal thread rod 212 in the mounting hole in a threaded manner, the other end of the jaw shaft 2131 is positioned in the area between the connecting section of the fixing support 211 and the free end of the fixing section of the fixing support 211, the jaw shaft 2132 is in sliding guide fit with the mounting hole, the jaw 2132 is positioned in the area between the connecting section of the fixing support 211 and the free end of the fixing section of the fixing support 211, the jaw 2132 is provided with two groups along the extension direction of the handheld section of the shell 100 and is respectively an upper jaw and a lower jaw positioned below the upper jaw, the upper jaw is in a V-shaped structure with a downward opening, the lower jaw is in a V-shaped structure with an upward opening, the upper jaw faces the end part of the connecting section of the fixing support 211, the lower jaw faces the end part of the connecting section of the fixing support 211 in a, the jaw shafts 2131 are positioned at the end part of the area between the connecting section of the fixed support 211 and the free end of the fixed section of the fixed support 211 and are fixed between hinge shafts formed at the hinged parts of the upper jaw and the lower jaw, the side surface of the upper jaw facing the inner threaded rod 212 is contacted with the rotating roller 2111 arranged at the free end of the fixed section of the fixed support 211, the side surface of the lower jaw facing the inner threaded rod 212 is contacted with the rotating roller 2111 arranged at the free end of the fixed section of the fixed support 211, the elastic sheet 2133 is a V-shaped elastic sheet structure with an opening deviating from the inner threaded rod 212, the elastic sheet 2133 is fixed between the two groups of jaws 2132, and the elastic force of the elastic sheet 2133 drives the two groups of jaws 2132 to;
the worker moves the housing 100 and places the nail between the two sets of jaws 2132, and then the power mechanism 220 drives the inner threaded rod 212 to rotate axially around itself and pulls the jaw shaft 2131 to move closer to the housing 100, thereby causing the upper and lower jaws to deflect closer to each other;
s2: the nail pulling component comprises a push cylinder 214 and an external thread rod 215, the push cylinder 214 is of a rectangular cylinder structure with the extending direction parallel to the extending direction of the fixed section of the fixed support 211 and two open ends, a separating block 2141 is arranged in the middle of one open end of the push cylinder 214, the separating block 2141 divides the open end of the push cylinder 214 into two parts which are respectively a first sliding area and a second sliding area below the first sliding area, and a threaded hole is formed in the middle of the separating block 2141;
the push cylinder 214 is sleeved outside the fixed support 211, the upper fixed section of the fixed support 211 is in sliding guide fit with the first sliding area, the lower fixed section of the fixed support 211 is in sliding guide fit with the second sliding area, and the free ends of the two groups of clamping jaws 2132 extend out and are positioned outside the push cylinder 214;
the external thread rod 215 is a circular pipeline structure with openings at two ends, the thread of the external thread rod is externally arranged on the outer circular surface, the external thread rod 215 is coaxially and movably sleeved outside the internal thread rod 212, the rotation between the external thread rod 215 and the internal thread rod 212 is not interfered with each other, and the external thread rod 215 and the thread hole are in threaded connection;
the nail can be clamped by the upper/lower jaws through mutual approaching deflection, the jaws 2132 retract into the push cylinder 214 when the nail is clamped, the end of the push cylinder 214 departing from the shell 100 is in contact with the board surface of a board with the nail, and the like, and meanwhile, the power mechanism 220 stops driving the inner threaded rod 212;
s3: the power mechanism 220 drives the external screw rod 215, the external screw rod 215 starts to rotate around the self axial direction and drives the pushing cylinder 214 to move away from the shell 100, and the pushing cylinder 214 is in contact with the board surface of the nail-nailed wood board and the like at the moment, so that the rest parts of the nail gun except the pushing cylinder 214 integrally move away from the board surface of the nail-nailed wood board and the like, and the nail can be pulled out.
S4: after the nail is removed, the power mechanism 220 stops driving the male threaded rod 215 and in turn drives the female threaded rod 212 to rotate in a reverse direction, thereby causing the pawl 2132 to release the grip on the nail.
An electric driving type automatic nail nipping gun for building decoration comprises a shell 100 and an electric nail nipping device 200, wherein the electric nail nipping device 200 is used for automatically clamping and pulling out nails.
The electric nail nipping device 200 comprises a nail nipping mechanism 210, a power mechanism 220, a storage battery 230 and a control circuit board 240, wherein the nail nipping mechanism 210 is used for automatically clamping and ejecting nails, the power mechanism 220 is used for providing power for the operation of the nail nipping mechanism 210, the storage battery 230 and the control circuit board 240 are both arranged in the shell 100, and the storage battery 230 is used for providing power for the operation of the power mechanism 220.
The shell 100 can be divided into two parts, namely a main shell section and a handheld section, the main shell section is a rectangular shell structure which is horizontally arranged and has an open end and a closed end, the handheld section is a rectangular shell structure which is vertically arranged and has an open upper end and a closed lower end, and the upper open end of the handheld section is fixedly connected with the bottom of the main shell section and is communicated with the bottom of the main shell section.
The nail nipping mechanism 210 includes a clamping member for clamping the nail and a nipping member for pulling out the nail.
The clamping component comprises a fixed support 211, an internal thread rod 212 and a jaw assembly 213, wherein the fixed support 211 is composed of three parts, namely a fixed section and a connecting section, the fixed section is a rectangular rod-shaped structure with the extending direction parallel to the extending direction of the main shell section of the shell 100, the open end of the fixed section and the open end of the main shell section of the shell 100 are fixedly connected, the free end of the fixed section is further provided with a rotating roller 2111, the axial direction of the rotating roller 2111 is vertical to the extending direction of the handheld section of the shell 100 and vertical to the extending direction of the fixed section of the fixed support 211, the rotating roller 2111 is movably arranged at the free end of the fixed section of the fixed support 211 and can rotate around the axial direction of the rotating roller, the fixed section is provided with two groups along the extending direction of the handheld section of the shell 100, the two groups are an upper fixed section and a lower fixed section positioned.
The connecting section of the fixing support 211 is provided with a mounting hole which is axially parallel to the extending direction of the fixing section of the fixing support 211, the mounting hole is positioned in the middle of the connecting section, the inner threaded rod 212 is of a circular pipeline structure with openings at two ends, the inner threaded rod is arranged in the inner circular surface in a threaded manner, one end of the inner threaded rod 212 is movably arranged in the shell 100, the other end of the inner threaded rod is coaxially and movably sleeved in the mounting hole, and the inner threaded rod 212 can axially rotate around itself.
The jaw assembly 213 comprises a jaw shaft 2131, a jaw 2132 and an elastic sheet 2133, one end of the jaw shaft 2131 is coaxially connected with the end part of the internal thread rod 212 in the mounting hole in a threaded mounting mode, the other end of the jaw shaft 2131 is positioned in the area between the connecting section of the fixing support 211 and the free end of the fixing section of the fixing support 211, and the jaw shaft 2132 is in sliding guide fit with the mounting hole.
The clamping jaws 2132 are located in the area between the connecting section of the fixing support 211 and the free end of the fixing section of the fixing support 211, two groups of upper clamping jaws and lower clamping jaws are arranged on the clamping jaws 2132 along the extending direction of the handheld section of the shell 100, the upper clamping jaws are located below the upper clamping jaws, the upper clamping jaws are of a V-shaped structure with a downward opening, the lower clamping jaws are of a V-shaped structure with an upward opening, the end parts, facing the connecting section of the fixing support 211, of the upper clamping jaws and the end parts, facing the connecting section of the fixing support 211, of the lower clamping jaws are hinged, and a hinge shaft formed at the hinged positions of the upper clamping jaws and the lower.
The jaw shaft 2131 is fixedly connected between the end part of the area between the connecting section of the fixed bracket 211 and the free end of the fixed section of the fixed bracket 211 and a hinge shaft formed at the hinge joint between the upper jaw and the lower jaw.
The side surface of the upper claw facing the inner threaded rod 212 is contacted with the rotating roller 2111 arranged at the free end of the upper fixing section of the fixing bracket 211, and the side surface of the lower claw facing the inner threaded rod 212 is contacted with the rotating roller 2111 arranged at the free end of the lower fixing section of the fixing bracket 211.
The elastic piece 2133 is a V-shaped elastic piece structure with an opening deviating from the inner threaded rod 212, the elastic piece 2133 is fixedly arranged between the two groups of claws 2132, and the elastic force of the elastic piece 2133 drives the two groups of claws 2132 to deflect away from each other.
The working process of the clamping component is as follows: the worker places the nail between the two groups of jaws 2132, then the inner threaded rod 212 rotates around the self axial direction and can pull the jaw shaft 2131 to displace along the self axial direction, wherein when the jaw shaft 2131 moves close to the shell 100, the side surface of the upper jaw facing the inner threaded rod 212 is contacted with the rotating roller 2111 arranged at the free end of the upper fixing section of the fixing bracket 211, and the side surface of the lower jaw facing the inner threaded rod 212 is contacted with the rotating roller 2111 arranged at the free end of the lower fixing section of the fixing bracket 211, so that the upper jaw and the lower jaw are deflected close to each other, and the nail can be clamped; when the latch shafts 2131 move away from the housing 100, the two sets of latches 2132 deflect away from each other and withdraw the nail under the elastic force of the elastic pieces 2133.
The nail pulling member comprises a push cylinder 214 and an external thread rod 215, the push cylinder 214 is of a rectangular cylinder structure with an extending direction parallel to the extending direction of the fixed section of the fixed support 211 and two open ends, a separating block 2141 is arranged in the middle of one open end of the push cylinder 214, the separating block 2141 divides the open end of the push cylinder 214 into two parts which are respectively a first sliding area and a second sliding area below the first sliding area, and a threaded hole is formed in the middle of the separating block 2141.
The pushing cylinder 214 is sleeved outside the fixing support 211, a sliding guide fit is formed between the upper fixing section of the fixing support 211 and the first sliding area, a sliding guide fit is formed between the lower fixing section of the fixing support 211 and the second sliding area, and the free ends of the two groups of clamping jaws 2132 extend out and are located outside the pushing cylinder 214.
The external thread rod 215 is a circular pipeline structure with openings at two ends, the thread of the external thread rod is externally arranged on the outer circular surface, the external thread rod 215 is coaxially and movably sleeved outside the internal thread rod 212, the external thread rod 215 and the internal thread rod 212 do not interfere with each other in rotation, and the external thread rod 215 and the thread hole arranged at the middle position of the separation block 2141 are further installed in a thread connection mode.
The working process of the nail nipping component is specifically represented as follows: when the clamping member clamps the nail, the claw 2132 retracts into the push cylinder 214, namely, the end of the push cylinder 214, which is far away from the shell 100, is in contact with the board surface of the nail-nailed board and the like, then, the internal thread rod 212 stops rotating, the external thread rod 215 starts to rotate around the self axial direction and drives the push cylinder 214 to move away from the shell 100, and because the push cylinder 214 is in contact with the board surface of the nail-nailed board and the like at the moment, the rest parts of the nail gun except the push cylinder 214 integrally move away from the board surface of the nail-nailed board and the like, so that the nail can be pulled out.
The power mechanism 220 includes a driving motor 2210, a power transmission member 2220, and a power switching member 2230, wherein the power transmission member 2220 is used for receiving the power of the driving motor 2210 and transmitting the power to the internal threaded rod 212 or the external threaded rod 215, and the power switching member 2230 is used for switching two groups of power transmission paths in the power transmission member 2220.
The driving motor 2210 is fixedly installed in the main shell section of the housing 100, and an output shaft of the driving motor 2210 is axially parallel to an extending direction of the main shell section of the housing 100.
The power transmission member 2220 includes a transmission shaft 2221, a driving spur gear 2223, a movable bracket 2224, a first driven spur gear 2225, and a second driven spur gear 2226, wherein the axial direction of the transmission shaft 2221 is parallel to the extension direction of the main shell section of the housing 100, and the transmission shaft 2221 is movably installed in the main shell section of the housing 100 and can rotate around the axial direction thereof.
A power transmission part 2222 is arranged between the transmission shaft 2221 and the driving motor 2210 and is in power connection transmission with the power transmission part 2222, and specifically, the power transmission part 2222 is a straight gear power transmission structure.
A linkage member is arranged between the driving spur gear 2223 and the transmission shaft 2221, and the driving spur gear 2223 and the transmission shaft 2221 are connected by the linkage member, and when the driving spur gear 2223 is displaced along the axial direction of the transmission shaft 2221, the transmission shaft 2221 can continuously output power to the driving spur gear 2223 through the linkage member, specifically, the linkage member includes an external spline arranged on the transmission shaft 2221 and an internal spline arranged on the driving spur gear 2223.
The movable support 2224 is movably sleeved outside the transmission shaft 2221, the movable support 2224 can move along the axial direction of the transmission shaft 2221, the movement of the movable support 2224 does not interfere with the rotation of the transmission shaft 2221, the driving spur gear 2223 is clamped in the movable support 2224, two end faces of the driving spur gear 2223 are both in contact with the movable support 2224, and the driving spur gear 2223 can be pulled to move synchronously when the movable support 2224 moves along the axial direction of the transmission shaft 2221.
The first driven spur gear 2225 is coaxially and fixedly mounted on the outer portion of the inner threaded rod 212, the second driven spur gear 2226 is coaxially and fixedly mounted on the outer portion of the outer threaded rod 215, and both the first driven spur gear 2225 and the second driven spur gear 2226 can be meshed with the driving spur gear 2223.
The operation of power transmission member 2220 is specifically described as follows: the driving motor 2210 operates and can output power to the inner threaded rod 212 through the power transmission member 2222, the transmission shaft 2221, the driving spur gear 2223, and the first driven spur gear 2225, or output power to the outer threaded rod 215 through the power transmission member 2222, the transmission shaft 2221, the driving spur gear 2223, and the second driven spur gear 2226.
The power switching component 2230 comprises a switching component and a reset component, wherein the switching component comprises a handle 2231, a rotating shaft 2232, an input straight gear 2233 and an output rack 2234.
The axial direction of the rotating shaft 2232 is parallel to the axial direction of the rotating roller 2111, and the rotating shaft 2232 is movably arranged in the handheld section of the casing 100 and can rotate around the axial direction of the rotating shaft 2232.
A through hole is formed in the side surface of the handheld section of the casing 100 facing the nail nipping mechanism 210, one end of the handle 2231 is located outside the casing 100, the other end of the handle 223passes through the through hole and is located in the handheld section of the casing 100, and the end of the handle 2231 is fixedly connected with the rotating shaft 2232.
The input spur gear 2233 is coaxially and fixedly installed outside the rotating shaft 2232, the extending direction of the output rack 2234 is parallel to the axial direction of the transmission shaft 2221, the output rack 2234 is fixedly installed on the movable bracket 2224, and the input spur gear 2233 is engaged with the output rack 2234.
When the handle 2231 is not manually pressed and deflected by a worker, the driving spur gear 2223 is meshed with the first driven spur gear 2225, and when the handle 2231 is manually pressed and deflected by the worker to the maximum value, the driving spur gear 2223 is meshed with the second driven spur gear 2226.
The reset assembly comprises a reset shaft 2235, a reset spur gear 2236, a coil spring 2237, a transmitter 2238 and a counter weight 2239, wherein the axial direction of the reset shaft 2235 is parallel to the axial direction of the rotating shaft 2232, the reset shaft 2235 is movably installed in the handheld section of the housing 100 and can rotate around the axial direction of the reset shaft 2235, the reset spur gear 2236 is coaxially and fixedly installed outside the reset shaft 2235, and the reset spur gear 2236 is meshed with the input spur gear 2233.
The coil spring 2237 is disposed at a connection point between the reset shaft 2235 and the housing 100, and the elastic force of the coil spring 2237 drives the reset shaft 2235 to rotate and further drives the handle 2231 to perform reset deflection.
The sensor 2238 is installed outside the reset shaft 2235, and the transmitter 2238 is configured to sense a rotational displacement of the reset shaft 2235, determine a translational displacement of the driving spur gear 2223, and transmit a signal to the driving motor 2210.
The weight 2239 is fixedly installed outside the reset shaft 2235, and the weight 2239 forms a damping force for the rotation of the reset shaft 2235.
During actual work, a worker moves the nail gun and places nails in the area between the two groups of jaws 2132, then the driving motor 2210 operates and can output power to the internal threaded rod 212 through the power transmission piece 2222, the transmission shaft 2221, the driving spur gear 2223 and the driven spur gear 2225, the internal threaded rod 212 rotates around the self axial direction and can pull the jaw shaft 2131 to move close to the shell 100 along the self axial direction, and under the matching of the up-and-down rotating rollers, the jaw shaft 2131 moves and pulls the up-and-down jaws to deflect close to each other, so that the nails are clamped;
when the jaw assembly 213 finishes holding the nail, the jaws 2132 retract into the push cylinder 214, that is, the end of the push cylinder 214 away from the housing 100 contacts with the board surface such as the board with the nail, meanwhile, the jaws 2132 of the jaw assembly 213 cannot deflect continuously, so that the internal threaded rod 212 cannot rotate, and the output shaft of the driving motor 2210 cannot rotate, at this time, the control circuit board 240 senses the condition and transmits a signal to the driving motor 2210 to stop the driving motor 2210 from operating;
then, the worker manually holds and presses the handle 2231 and makes the handle 2231 deflect close to the holding section of the housing 100, when the handle 2231 deflects to the maximum value, the driving spur gear 2223 is disengaged from the first driven spur gear 2225 and the driving spur gear 2223 is engaged with the second driven spur gear 2226, at this time, the sensor 2238 senses this condition and transmits a signal to the driving motor 2210 to make the driving motor 2210 start to reverse, and then, the worker releases the handle 2231, and the process that the handle 2231 is driven to do the reset deflection by the elastic force of the coil spring 2237 is slower due to the damping effect of the counterweight 2239, and the reset process can be divided into a first reset process that the driving spur gear 2223 is not disengaged from the second driven spur gear 2226 and a second reset process that the driving spur gear 2223 is disengaged from the second driven spur gear 2226;
during the first resetting process, the driving motor 2210 rotates reversely and outputs power to the external threaded rod 215 through the power transmission part 2222, the transmission shaft 2221, the driving spur gear 2223 and the driven spur gear 2226, the external threaded rod 215 rotates around the self axial direction and drives the pushing cylinder 214 to move away from the shell 100, and because the pushing cylinder 214 is in contact with the board surface such as a board with nails, the rest parts of the nail gun except the pushing cylinder 214 move away from the board surface such as the board with nails, and the nails can be pulled out;
in the second resetting process, the driving spur gear 2223 is engaged with the first driven spur gear 2225 again, at this time, the driving motor 2210 reverses and rotates the inner threaded rod 212 reversely around the axial direction thereof through the power transmission part 2222, the transmission shaft 2221, the driving spur gear 2223 and the first driven spur gear 2225, so that the jaw assembly 213 cancels the clamping of the nail, and simultaneously, the nail gun is restored to the original state, and the nail pulling of the next round can be performed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A nail pulling method for automatically pulling out nails comprises the following steps:
s1: a worker moves the shell and places a nail in a clamping area of the electric nail nipping device;
the shell can be divided into two parts which are respectively a main shell section and a handheld section, the main shell section is a rectangular shell structure which is horizontally arranged, one end of the rectangular shell structure is open, and the other end of the rectangular shell structure is closed, the handheld section is a rectangular shell structure which is vertically arranged, the upper end of the rectangular shell structure is open, the lower end of the rectangular shell structure is closed, the upper open end of the handheld section and the bottom of the main shell structure are fixed and are mutually communicated, and the electric nail nipping device comprises a nail nipping mechanism, a power mechanism, a storage battery and a;
the nail nipping mechanism comprises a clamping component and a nail nipping component, the clamping component comprises a fixed support, an inner threaded rod and a clamping jaw assembly, the fixed support consists of three parts which are respectively a fixed section and a connecting section, the fixed section is a rectangular rod-shaped structure with the extending direction parallel to the extending direction of the shell main shell section, the fixed section is fixed between the open end of the fixed section and the shell main shell section, the free end of the fixed section is also provided with a rotary roller, the axial direction of the rotary roller is vertical to the extending direction of the shell hand-held section and vertical to the extending direction of the fixed section of the fixed support, the rotary roller is movably arranged at the free end of the fixed section of the fixed support and can rotate around the axial direction of the rotary roller, the fixed section is provided with two groups which are respectively an upper fixed section and a lower fixed section positioned below;
an installation hole which is axially parallel to the extending direction of the fixed section of the fixed support is arranged at the middle position of the connecting section of the fixed support, the inner threaded rod is of a circular pipeline structure with openings at two ends, the thread of the inner threaded rod is arranged in the inner circular surface, one end of the inner threaded rod is movably arranged in the shell, the other end of the inner threaded rod is coaxially and movably sleeved in the installation hole, and the inner threaded rod can axially rotate around the inner threaded rod;
the claw assembly comprises a claw shaft, claws and elastic sheets, one end of the claw shaft is coaxially connected with the end part of the internal thread rod in the mounting hole in a thread mode, the other end of the claw shaft is positioned in the area between the connecting section of the fixed support and the free end of the fixed section of the fixed support, the claw shaft and the mounting hole form sliding guide fit, the claws are positioned in the area between the connecting section of the fixed support and the free end of the fixed section of the fixed support, the claws are provided with two groups along the extending direction of the handheld section of the shell and are respectively an upper claw and a lower claw positioned below the upper claw, the upper claw is of a V-shaped structure with a downward opening, the lower claw is of a V-shaped structure with an upward opening, the upper claw faces the end part of the connecting section of the fixed support, the lower claw faces the end part of the connecting section of the fixed support in a hinged mode, and the axial direction, the clamping jaw shaft is positioned at the end part of the area between the connecting section of the fixed support and the free end of the fixed section of the fixed support and is fixed between articulated shafts formed at the articulated parts between the upper clamping jaw and the lower clamping jaw, the side surface of the upper clamping jaw facing to the inner threaded rod is contacted with a rotating roller arranged at the free end of the fixed section of the fixed support, the side surface of the lower clamping jaw facing to the inner threaded rod is contacted with a rotating roller arranged at the free end of the lower fixed section of the fixed support, the elastic sheet is of a V-shaped elastic sheet structure with an opening deviating from the inner threaded rod, the elastic sheet is fixed between the two groups of clamping jaws, and the two groups of;
the working personnel move the shell and place the nail between the two groups of claws, and then the power mechanism drives the inner threaded rod to rotate around the self axial direction and pulls the claw shaft to move close to the shell, so that the upper/lower claws deflect close to each other;
s2: the nail pulling component comprises a push cylinder and an external thread rod, the push cylinder is of a rectangular cylinder structure with the extending direction parallel to the extending direction of the fixed section of the fixed support and two open ends, a separating block is arranged in the middle of one open end of the push cylinder, the separating block divides the open end of the push cylinder into two parts which are respectively a first sliding area and a second sliding area below the first sliding area, and a threaded hole is formed in the middle of the separating block;
the push cylinder is sleeved outside the fixed support, the upper fixed section of the fixed support is in sliding guide fit with the sliding area I, the lower fixed section of the fixed support is in sliding guide fit with the sliding area II, and the free ends of the two groups of clamping jaws extend out of the push cylinder and are positioned outside the push cylinder;
the external thread rod is of a circular pipeline structure with openings at two ends, the thread of the external thread rod is externally arranged on the outer circular surface, the external thread rod is coaxially and movably sleeved outside the internal thread rod, the rotation of the external thread rod and the rotation of the internal thread rod are not interfered with each other, and the external thread rod and the threaded hole are in threaded connection;
the upper/lower clamping jaws deflect close to each other to clamp the nail, the clamping jaws retract into the pushing cylinder when the nail is clamped, the end part of the pushing cylinder, which is far away from the shell, is contacted with the board surfaces of the board and the like with the nail, and meanwhile, the power mechanism stops driving the inner threaded rod;
s3: the power mechanism drives the external thread rod, the external thread rod starts to rotate around the self axial direction and drives the pushing cylinder to move away from the shell, and the pushing cylinder is in contact with boards such as boards with nails, so that the rest parts of the nail pulling gun except the pushing cylinder are integrally moved away from the boards such as boards with nails, and the nails can be pulled out.
2, S4: after the nail is pulled out, the power mechanism stops driving the external thread rod and drives the internal thread rod to rotate reversely, and then the claw cancels the clamping of the nail.
3. The nail nipping method according to claim 1, wherein the power mechanism includes a driving motor, a power transmission member for receiving power of the driving motor and transmitting the power to the internal threaded rod or the external threaded rod, and a power switching member for switching two power transmission paths in the power transmission member;
the driving motor is fixedly arranged in the main shell section of the shell, and the axial direction of an output shaft of the driving motor is parallel to the extending direction of the main shell section of the shell.
4. The nail nipping method according to claim 2, wherein the power transmission member includes a transmission shaft, a driving spur gear, a movable bracket, a first driven spur gear, and a second driven spur gear, the axial direction of the transmission shaft is parallel to the extending direction of the main shell section of the housing, and the transmission shaft is movably installed in the main shell section of the housing and can rotate around itself;
a power transmission piece is arranged between the transmission shaft and the driving motor, and power connection transmission is carried out between the transmission shaft and the driving motor through the power transmission piece;
the transmission shaft is connected with the driving straight gear through the linkage component, and when the driving straight gear displaces along the axial direction of the transmission shaft, the transmission shaft can continuously output power to the driving straight gear through the linkage component;
the movable support is movably sleeved outside the transmission shaft and can move along the axial direction of the transmission shaft, the movement of the movable support and the rotation of the transmission shaft do not interfere with each other, the driving straight gear is clamped in the movable support, two end faces of the driving straight gear are both contacted with the movable support, and the movable support can pull the driving straight gear to move synchronously when moving along the axial direction of the transmission shaft;
the first driven straight gear is coaxially and fixedly arranged outside the inner threaded rod, the second driven straight gear is coaxially and fixedly arranged outside the outer threaded rod, and both the first driven straight gear and the second driven straight gear can be meshed with the driving straight gear.
5. The method of claim 3, wherein the power transmission member is a spur gear power transmission structure;
the linkage component comprises an external spline arranged on the transmission shaft and an internal spline arranged on the driving straight gear.
6. The nail nipping method according to claim 3, wherein the power switching member includes a switching assembly and a reset assembly, the switching assembly includes a handle, a rotating shaft, an input spur gear and an output rack;
the axial direction of the rotating shaft is parallel to the axial direction of the rotating roller, and the rotating shaft is movably arranged in the handheld section of the shell and can rotate around the axial direction of the rotating shaft;
a through hole is formed in the side face, facing the nail nipping mechanism, of the handheld section of the shell, one end of the handle is located outside the shell, the other end of the handle penetrates through the through hole and is located in the handheld section of the shell, and the end of the handle is fixedly connected with the rotating shaft;
the input straight gear is coaxially and fixedly arranged outside the rotating shaft, the extension direction of the output rack is parallel to the axial direction of the transmission shaft, the output rack is fixedly arranged on the movable support, and the input straight gear is meshed with the output rack.
7. The nail nipping method according to claim 5, wherein the reset assembly includes a reset shaft, a reset spur gear, a coil spring, a transmitter, and a weight block, the axial direction of the reset shaft is parallel to the axial direction of the rotation shaft, the reset shaft is movably installed in the hand-held section of the housing and can rotate around itself axially, the reset spur gear is coaxially and fixedly installed outside the reset shaft, and the reset spur gear is engaged with the input spur gear;
the coil spring is arranged at the connecting point between the reset shaft and the shell, and the elasticity of the coil spring drives the reset shaft to rotate so as to drive the handle to reset and deflect;
the sensor is arranged outside the reset shaft, and the transmitter is used for judging the moving displacement of the driving spur gear according to the rotation displacement of the inductive reset shaft and transmitting a signal to the driving motor;
the balancing weight is fixedly installed outside the reset shaft, and the gravity of the balancing weight forms damping for the rotation of the reset shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010375367.7A CN111571529A (en) | 2020-05-07 | 2020-05-07 | Nail pulling method for automatically pulling out nails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010375367.7A CN111571529A (en) | 2020-05-07 | 2020-05-07 | Nail pulling method for automatically pulling out nails |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111571529A true CN111571529A (en) | 2020-08-25 |
Family
ID=72113269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010375367.7A Withdrawn CN111571529A (en) | 2020-05-07 | 2020-05-07 | Nail pulling method for automatically pulling out nails |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111571529A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120138879A1 (en) * | 2010-11-05 | 2012-06-07 | James Douglas Pell | Apparatus for pushing a fastener from a host material |
| CN202507246U (en) * | 2012-03-20 | 2012-10-31 | 彭以磊 | Pneumatic nail pulling gun |
| CN203317363U (en) * | 2013-06-26 | 2013-12-04 | 上海电机学院 | Electric motor nail puller |
| CN203818105U (en) * | 2014-04-28 | 2014-09-10 | 赵娟 | Portable type electric box opening nail puller |
| CN106625429A (en) * | 2016-10-14 | 2017-05-10 | 德保县实验小学 | U-shaped staple gun and use method thereof |
-
2020
- 2020-05-07 CN CN202010375367.7A patent/CN111571529A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120138879A1 (en) * | 2010-11-05 | 2012-06-07 | James Douglas Pell | Apparatus for pushing a fastener from a host material |
| CN202507246U (en) * | 2012-03-20 | 2012-10-31 | 彭以磊 | Pneumatic nail pulling gun |
| CN203317363U (en) * | 2013-06-26 | 2013-12-04 | 上海电机学院 | Electric motor nail puller |
| CN203818105U (en) * | 2014-04-28 | 2014-09-10 | 赵娟 | Portable type electric box opening nail puller |
| CN106625429A (en) * | 2016-10-14 | 2017-05-10 | 德保县实验小学 | U-shaped staple gun and use method thereof |
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Application publication date: 20200825 |