CN112024781A

CN112024781A - Handheld reinforcing bar shearing equipment of safety protection

Info

Publication number: CN112024781A
Application number: CN202010879661.1A
Authority: CN
Inventors: 李亚虎
Original assignee: Fuzhou Changle District Siat Technology Co ltd
Current assignee: Fuzhou Changle District Siat Technology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2020-12-04

Abstract

The invention discloses a safety protection handheld steel bar shearing device which comprises a handheld rod, wherein a valve block chute is arranged in the handheld rod, an air pump is fixedly arranged on the inner wall of the right side of the valve block chute, a lower working block is fixedly arranged on the left end surface of the handheld rod, an upper working block is arranged on the upper side of the lower working block, hinge blocks which are symmetrical front and back are fixedly arranged on the bottom end surface of the upper working block and the top end surface of the lower working block respectively, the hinge block positioned on the bottom end surface of a placing cavity is hinged with the hinge block positioned on the top end surface of the lower working block through a hinge rod, an anti-toppling mechanism is arranged in the upper working block, and the upper working block and the lower working block are internally provided with placing cavities which are vertically communicated; the steel bar shearing device is simple in structure and convenient and fast to operate, the clamping mechanism is used for ensuring the shearing stability of the steel bars, the anti-toppling mechanism is arranged, the steel bars cannot topple towards the direction of an operator after being sheared, and the use safety of the equipment is greatly improved.

Description

Handheld reinforcing bar shearing equipment of safety protection

Technical Field

The invention relates to the related field of steel bar shearing, in particular to a safety protection handheld steel bar shearing device.

Background

The steel bar cutting machine is a tool used for cutting steel bars, is mainly used for cutting steel bars in a civil engineering in a fixed length mode, is equipment essential for a steel bar processing link, and has the advantages of light weight, low energy consumption, reliable work, high efficiency and the like compared with other cutting equipment, so that the steel bar cutting machine is widely applied to the field of mechanical processing.

At present, most of steel bar cutting machines can only cut steel bars rapidly, the steel bars cannot be clamped and fixed, and safety accidents are caused when the steel bars are cut and are manually toppled in the same direction.

Disclosure of Invention

The invention aims to provide a safety protection handheld steel bar shearing device, which solves the problem of safety accidents caused by the fact that steel bars topple over after the steel bars are sheared when a steel bar shearing machine is used.

The invention relates to a safety protection handheld steel bar shearing device which comprises a handheld rod, wherein a valve block chute is arranged in the handheld rod, an air pump is fixedly arranged on the inner wall of the right side of the valve block chute, a lower working block is fixedly arranged on the left side end surface of the handheld rod, an upper working block is arranged on the upper side of the lower working block, hinge blocks which are symmetrical front and back are fixedly arranged on the bottom end surface of the upper working block and the top end surface of the lower working block respectively, the hinge block positioned on the bottom end surface of a placing cavity is hinged with the hinge block positioned on the top end surface of the lower working block through a hinge rod, an anti-toppling mechanism is arranged in the upper working block, placing cavities are vertically communicated in the upper working block and the lower working block respectively, a working limiting block is fixedly arranged on the bottom end surface of the upper working block, a working block spring fixedly connected with the bottom end surface of the upper working block is fixedly arranged on the top end, a first pipeline fixedly connected with the top end face of the lower working block is fixedly arranged on the bottom end face of the pressed sliding block cavity, clamping block chutes which are vertically symmetrical and have openings facing the center of the placing cavity are arranged on the front and rear inner walls of the placing cavity, the clamping block chute at the upper side is positioned in the upper working block, the clamping block chute at the lower side is positioned in the lower working block, shearing block chutes which have openings facing the center of the placing cavity and are positioned between two groups of clamping block chutes are arranged on the front and rear inner walls of the placing cavity, clamping blocks are slidably arranged in the clamping block chutes, clamping block threaded holes with openings far away from the center of the placing cavity are arranged in the clamping blocks, clamping grooves are vertically communicated on the end face of one side of the placing cavity of each clamping block, and clamping block chutes with openings facing the center of the placing cavity are arranged on the inner walls of the clamping grooves at the lower, the clamping is pressed a spout and is slided and be equipped with the clamping and pressed the piece, the clamping is pressed the piece and is kept away from place the fixed terminal surface of chamber center one side be equipped with the clamping is pressed a spout inner wall fixed connection's clamping and is pressed a piece spring, the clamping is pressed fixedly on the terminal surface of piece top and is equipped with the clamping and press a piece lug, the clamping is pressed a piece lug orientation place fixedly connected with valve block fixture block stay cord on the terminal surface of chamber center one side.

Furthermore, a clamping block threaded rod extending to one side far away from the center of the placing cavity is rotatably arranged on the inner wall of the side, away from the center of the placing cavity, of the clamping block chute, the clamping block threaded rod is meshed with the clamping block threaded hole, a shearing block threaded hole extending to one side far away from the center of the placing cavity is arranged on the end surface of the side, away from the center of the placing cavity, of the shearing block, a blade is fixedly arranged on the end surface of the side, close to the placing cavity, of the shearing block chute, a shearing block threaded rod extending to one side far away from the center of the placing cavity is rotatably arranged on the inner wall of the side, away from the center of the placing cavity, of the shearing block chute, the shearing block threaded rod is meshed with the shearing block threaded hole, a clamping fluid cavity is arranged on the inner wall of the side, away from the center of the placing cavity, of, the clamping fluid cavity comprises a clamping fluid cavity, a clamping block threaded rod, a shearing block threaded rod and a shearing fluid cavity, wherein the clamping fluid cavity is internally provided with a first pipeline, the clamping fluid cavity is internally provided with a clamping block turbine cavity, the clamping block turbine cavity is provided with an upward opening and is used for shearing the clamping fluid cavity, the clamping block threaded rod penetrates through the front inner wall and the rear inner wall of the clamping block turbine cavity and is connected with the front inner wall and the rear inner wall of the clamping block turbine cavity in a rotating fit manner, sixteen clamping turbine blades are fixedly arranged on the inner bottom wall of the clamping fluid cavity, the bottom wall of the shearing fluid cavity is provided with a shearing block turbine cavity, the shearing block threaded rod penetrates through the front inner wall and the rear inner wall of the shearing block turbine cavity and is connected with the shearing block turbine cavity in a rotating fit manner, and sixteen shearing turbine blades are fixedly arranged on the, go up the rear side be equipped with the transmission chamber on the clamping piece turbine chamber rear side inner wall, go up the rear side the clamping piece threaded rod runs through inner wall and normal running fit connection with it around the transmission chamber, go up the rear side the clamping piece threaded rod is located fixed ratchet that is equipped with in the part of transmission intracavity, it is equipped with the transmission shaft to rotate on the inner wall around the transmission chamber, fixed being equipped with on the transmission shaft with ratchet engaged with drive gear and the magnet dish that is located the drive gear front side, it is equipped with to rotate on the transmission shaft to be located the winding wheel of magnet dish front side, it has the elevator stay cord to fix the winding on the winding wheel, fixed be equipped with on the winding wheel rear end face with magnet dish looks suction fit's magnet.

Further, the anti-toppling mechanism comprises an elevating block sliding groove arranged in the upper working block, an elevating block is arranged in the elevating block sliding groove in a sliding manner, an elevating block spring fixedly connected with the inner top wall of the elevating block sliding groove is fixedly arranged on the end surface of the top of the elevating block, the other end of the elevating block pulling rope far away from the winding wheel is fixedly connected with the end surface of the top of the elevating block, bilaterally symmetrical elevating block limiting blocks are fixedly arranged on the inner top wall of the elevating block sliding groove, an elevating block clamping groove with a leftward opening is arranged on the inner wall of the right side of the elevating block sliding groove, an elevating block clamping block is arranged in the elevating block clamping groove in a sliding manner, an elevating block clamping spring fixedly connected with the inner wall of the right side of the elevating block clamping groove is fixedly arranged on the end surface of the right side of the elevating block clamping groove, and an elevating block clamping rope is, fixedly connected with on the elevator bottom terminal surface with lower work piece top end fixed connection's work piece stay cord, therefore, be equipped with the opening pressurized slider chamber left on the terminal surface of last work piece left side, the pressurized slider intracavity slides and is equipped with the pressurized slider, fixedly connected with on the terminal surface of pressurized slider left side the elevator fixture block stay cord is kept away from the other end of elevator fixture block, the fixed pressurized connecting rod that extends left that is equipped with on the terminal surface of pressurized slider left side, the fixed pressurized piece that is equipped with on the terminal surface of pressurized connecting rod left side.

Further, a valve block is arranged in the valve block chute in a sliding manner, a valve block fixedly connected with the left inner wall of the valve block chute is fixedly arranged on the left end face of the valve block, a valve block inner cavity is arranged in the valve block, a fourth pipeline communicated with the air pump is connected on the right inner wall of the valve block inner cavity in a through manner, vertically symmetrical valve block through holes are arranged on the upper inner wall and the lower inner wall of the valve block inner cavity in a through manner, a valve block clamping block chute with a downward opening is arranged on the inner top wall of the valve block chute, a valve block clamping block is arranged in the valve block clamping block chute in a sliding manner, a valve block clamping block spring fixedly connected with the inner top wall of the valve block clamping block chute is fixedly arranged on the top end face of the valve block clamping block, the other end of the valve block clamping block pulling rope far away from the clamping pressed block convex block is fixedly connected on the top end face of the valve block chute, and the, the valve block is characterized in that the bottom wall in the valve block sliding groove is communicated with the other end, away from the cutting fluid cavity, of the first pipeline, a valve block spring fixedly connected with the inner wall on the left side of the valve block sliding groove is fixedly arranged on the end face on the left side of the valve block, and electromagnets repellent to the valve block are fixedly arranged on the inner wall on the left side of the valve block sliding groove.

The invention has the beneficial effects that: the steel bar shearing device is simple in structure and convenient and fast to operate, the clamping mechanism is used for ensuring the shearing stability of the steel bars, the anti-toppling mechanism is arranged, the steel bars cannot topple towards the direction of an operator after being sheared, and the use safety of the equipment is greatly improved.

Drawings

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

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

FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the embodiment of the present invention shown in FIG. 2B;

FIG. 4 is a schematic structural diagram at C-C in FIG. 2 according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram at D-D in FIG. 2 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The hand-held steel bar shearing equipment with safety protection, which is described in conjunction with the attached drawings 1-5, comprises a hand-held rod 10, a valve block chute 20 is arranged in the hand-held rod 10, an air pump 11 is fixedly arranged on the inner wall of the right side of the valve block chute 20, a lower working block 49 is fixedly arranged on the end surface of the left side of the hand-held rod 10, an upper working block 35 is arranged on the upper side of the lower working block 49, hinge blocks 48 which are symmetrical front and back are fixedly arranged on the bottom end surface of the upper working block 35 and the top end surface of the lower working block 49, the hinge blocks 48 which are arranged on the bottom end surface of the placing cavity 44 and the hinge blocks 48 which are arranged on the top end surface of the lower working block 49 are hinged through hinge rods 50, an anti-toppling mechanism is arranged in the upper working block 35, placing cavities 44 are vertically communicated in the upper working block 35 and the lower working block 49, a working limit block, the top end face of the lower working block 49 is fixedly provided with a working block spring 27 fixedly connected with the bottom end face of the upper working block 35, the bottom end face of the pressed slide block cavity 36 is fixedly provided with a first pipeline 24 fixedly connected with the top end face of the lower working block 49, the front and rear inner walls of the placing cavity 44 are provided with clamping block sliding grooves 45 which are vertically symmetrical and have openings facing the center of the placing cavity 44, the clamping block sliding groove 45 at the upper side is positioned in the upper working block 35, the clamping block sliding groove 45 at the lower side is positioned in the lower working block 49, the front and rear inner walls of the placing cavity 44 are provided with a shearing block sliding groove 51 which has openings facing the center of the placing cavity 44 and is positioned between the two groups of clamping block sliding grooves 45, a clamping block 46 is arranged in the clamping block sliding groove 45 in a sliding manner, and a clamping block threaded hole 55 which has an opening far away from the center, the clamping piece 46 moves towards place and link up from top to bottom on the terminal surface of chamber 44 one side and be equipped with clamping groove 47, the downside be equipped with the opening orientation on the clamping groove 47 inner wall place the clamping at chamber 44 center and receive a piece spout 61, the clamping receives a piece spout 61 and slides and is equipped with the clamping and receive piece 54, the clamping receives piece 54 and keeps away from place the fixed being equipped with of terminal surface of chamber 44 center one side with the clamping receives piece spout 61 inner wall fixed connection's clamping and receives a piece spring 62, the clamping receives fixedly on the terminal surface of piece 54 top of clamping and is equipped with the clamping and receives piece 54 lug, the clamping receives piece 54 lug orientation place fixedly connected with valve block fixture block stay cord 16 on the terminal surface of chamber 44 center one side.

Beneficially, the clamping block sliding groove 45 is rotatably provided with a clamping block threaded rod 57 extending away from the center side of the placing cavity 44 on the inner wall away from the center side of the placing cavity 44, the clamping block threaded rod 57 is engaged with the clamping block threaded hole 55, the shearing block 53 is provided with a shearing block threaded hole 58 having an opening away from the center of the placing cavity 44 on the end surface away from the side of the placing cavity 44, the shearing block 53 is close to the end surface close to the side of the placing cavity 44 and is fixedly provided with a blade 52, the shearing block sliding groove 51 is rotatably provided with a shearing block threaded rod 59 extending away from the center side of the placing cavity 44 on the inner wall away from the center side of the placing cavity 44, the shearing block threaded rod 59 is engaged with the shearing block threaded hole 58, the clamping block sliding groove 45 is provided with a clamping fluid cavity 76 on the inner wall away from the center side of the placing cavity 44, the cutting block sliding groove 51 is provided with a cutting fluid cavity 78 on the inner wall of one side of the center of the placing cavity 44, the left inner wall of the clamping fluid cavity 76 and the left inner wall of the cutting fluid cavity 78 are all provided with a second pipeline 19 in a penetrating manner, the right inner wall of the clamping fluid cavity 76 is provided with a third pipeline 14 in a penetrating manner, the right inner wall of the cutting fluid cavity 78 is provided with a first pipeline 24 in a penetrating manner, the inner bottom wall of the clamping fluid cavity 76 is provided with a clamping block turbine cavity 56 with an upward opening and cuts the clamping fluid cavity 76, the clamping block threaded rod 57 penetrates through the front inner wall and the rear inner wall of the clamping block turbine cavity 56 and is connected with the clamping block turbine cavity in a rotating and matching manner, the part of the clamping block threaded rod 57 located in the clamping block turbine cavity 56 is fixedly provided with sixteen clamping turbine blades 77, the inner bottom wall of the cutting fluid cavity 78, the shearing block threaded rod 59 penetrates through the front inner wall and the rear inner wall of the shearing block turbine cavity 60 and is connected with the shearing block threaded rod in a rotating fit manner, the shearing block threaded rod 59 is located on the part in the shearing block turbine cavity 60, sixteen shearing turbine blades 79 are fixedly arranged on the inner wall of the rear side of the clamping block turbine cavity 56, a transmission cavity 71 is arranged on the inner wall of the rear side of the clamping block threaded rod 57, the rear side of the clamping block threaded rod 57 penetrates through the front inner wall and the rear inner wall of the transmission cavity 71 and is connected with the transmission cavity 71 in a rotating fit manner, a ratchet wheel 75 is fixedly arranged on the part, located in the transmission cavity 71, of the clamping block threaded rod 57, a transmission shaft 72 is arranged on the front inner wall and the rear inner wall of the transmission cavity 71 in a rotating manner, a transmission gear 74 meshed with the ratchet wheel 75 and a magnet disc 73 located on the front side of the transmission gear 74 are fixedly, the winding wheel 70 is fixedly wound with the lifting block pulling rope 34, and the rear end face of the winding wheel 70 is fixedly provided with a magnet which is attracted and matched with the magnet disc 73.

Beneficially, the anti-toppling mechanism includes a lifting block sliding groove 42 arranged in the upper working block 35, a lifting block 41 is arranged in the lifting block sliding groove 42 in a sliding manner, a lifting block spring 33 fixedly connected with the inner top wall of the lifting block sliding groove 42 is fixedly arranged on the end surface of the top of the lifting block 41, the other end of the lifting block pulling rope 34 far away from the winding wheel 70 is fixedly connected with the end surface of the top of the lifting block 41, bilaterally symmetrical lifting block limiting blocks 32 are fixedly arranged on the inner top wall of the lifting block sliding groove 42, a lifting block sliding groove 31 with a leftward opening is arranged on the inner wall of the right side of the lifting block sliding groove 42, a lifting block clamping block 28 is arranged in the lifting block sliding groove 31 in a sliding manner, a lifting block spring clamping block 30 fixedly connected with the inner wall of the right side of the lifting block clamping groove 31 is fixedly arranged on the end surface of the right side of the lifting block clamping block 28, a lifting block pulling, fixedly connected with on the terminal surface of elevator 41 bottom with work piece stay cord 43 of work piece 49 top terminal surface fixed connection down, therefore, be equipped with the left pressurized slider chamber 36 of opening on the terminal surface of last work piece 35 left side, it is equipped with pressurized slider 38 to slide in the pressurized slider chamber 36, fixedly connected with on the terminal surface of pressurized slider 38 left side elevator block stay cord 29 keeps away from the other end of elevator block fixture block 28, fixedly on the terminal surface of pressurized slider 38 left side be equipped with the pressurized connecting rod 40 that extends left, fixedly on the terminal surface of pressurized connecting rod 40 left side be equipped with pressurized piece 39.

Beneficially, a valve block 21 is slidably disposed in the valve block sliding groove 20, a valve block 21 fixedly connected with the left inner wall of the valve block sliding groove 20 is fixedly disposed on the left end face of the valve block 21, a valve block inner cavity 23 is disposed in the valve block 21, a fourth pipeline 12 communicated with the air pump 11 is connected on the right inner wall of the valve block inner cavity 23 in a penetrating manner, vertically symmetrical valve block through holes 22 are formed in the upper inner wall and the lower inner wall of the valve block inner cavity 23 in a penetrating manner, a valve block fixture sliding groove 15 with a downward opening is disposed on the inner top wall of the valve block sliding groove 20, a valve block fixture 18 is slidably disposed in the valve block fixture sliding groove 15, a valve block fixture spring 17 fixedly connected with the inner top wall of the valve block fixture sliding groove 15 is fixedly disposed on the top end face of the valve block fixture 18, and the valve block fixture pull rope 16 is fixedly connected on the top end face of the valve, the intercommunication is equipped with on the roof in the valve block spout 20 and is located valve block fixture block spout 15 right side third pipeline 14 is kept away from the other end of clamping fluid chamber 76, the intercommunication is equipped with on the diapire in the valve block spout 20 first pipeline 24 is kept away from the other end of cutting fluid chamber 78, fixed be equipped with on the valve block 21 left side terminal surface with valve block spout 20 left side inner wall fixed connection's valve block spring 25, fixed be equipped with on the valve block spout 20 left side inner wall with the electro-magnet 13 that valve block 21 repels.

In an initial state, the lifting block 41 is located at an upper limit position and abuts against the lifting block limit block 32, the lifting block spring 33 and the working block spring 27 are both in a compressed state, the lifting block clamping block 28 is located at a left limit position under the action of the lifting block clamping block spring 30 and extends into the lifting block sliding groove 42 to abut against the bottom end face of the lifting block 41, the pressed slider 38 is located at a left limit position under the action of the pressed slider spring 37, so that the pressed block 39 is located at the left limit position, the valve block 21 is located at a right limit position, so that the valve block through hole 22 at the upper side is communicated with the third pipeline 14, the valve block clamping block 18 is located at a lower limit position under the action of the valve block clamping block spring 17 and extends into the valve block sliding groove 20 to abut against the left end face of the valve block 21, and the valve block spring 25 is in a stretched state, the clamping pressed block 54 extends into the clamping groove 47 on the lower side under the action of the clamping pressed block spring 62, and the electromagnet 13 is in a power-off state.

When the device works, the placing cavity 44 is aligned to a steel bar to be cut by holding the hand-held rod 10, the lower working block 49 and the upper working block 35 are moved to the clamping groove 47 to be aligned to the steel bar, the air pump 11 is started to suck air through the second pipeline 19 and pressurize through the fourth pipeline 12, air flow is circulated through the fourth pipeline 12, the third pipeline 14, the clamping fluid cavity 76 and the second pipeline 19 to push the clamping turbine blade 77 in the clamping block turbine cavity 56 to drive the clamping block threaded rod 57 to rotate forwards, the clamping block threaded rod 57 rotates forwards to drive the clamping block 46 to displace towards the center direction of the placing cavity 44 through the clamping block threaded hole 55, the clamping pressed block 54 at the lower side displaces towards the direction far away from the center of the placing cavity 44 under the action of the steel bar, the valve block clamping pull rope 16 is tensioned, and the valve block clamping block 18 is displaced upwards to be separated from the valve block 21 to be abutted, so that the valve block 21 is displaced leftwards under the action of the valve block spring 25, the valve block through hole 22 at the upper side is separated from the communication with the third pipeline 14, the valve block through hole 22 at the lower side is communicated with the first pipeline 24, the airflow forms circulation through the first pipeline 24, the shearing fluid cavity 78 and the second pipeline 19, the shearing turbine blade 79 is pushed to enable the shearing block threaded rod 59 to rotate forwards, the shearing block threaded rod 59 rotates forwards and drives the shearing block 53 to displace towards the center direction of the placing cavity 44 through the shearing block threaded hole 58 meshed with the shearing block threaded rod, and the blade 52 is enabled to shear the steel bars; when the reinforcing steel bar is toppled towards the direction of a worker after the reinforcing steel bar is sheared, the reinforcing steel bar is abutted against the pressed block 39, the pressed block 39 drives the pressed sliding block 38 to move rightwards to tighten the lifting block clamping block pulling rope 29, so that the lifting block clamping block 28 moves rightwards to be disengaged from the lifting block 41 for abutting, the lifting block 41 moves downwards under the action of the lifting block spring 33 to loosen the working block pulling rope 43, the upper working block 35 swings leftwards and upwards under the action of the working block spring 27, and the reinforcing steel bar is prevented from toppling towards the direction of an operator; after the cutting is completed, the air pump 11 is reversed to pump through the fourth pipeline 12, the second pipeline 19 is pressurized, the internal circulation of the first pipeline 24, the cutting fluid cavity 78 and the second pipeline 19 is reversed relative to the previous state, so that the cutting block threaded rod 59 is reversed to drive the cutting block 53 to displace towards the direction far away from the center of the placing cavity 44 through the cutting block threaded hole 58 meshed with the cutting block threaded rod to return to the initial state, the electromagnet 13 is electrified to drive the valve block 21 to displace towards the left under the action of the electromagnet 13 to return to the initial state, so that the valve block through hole 22 on the upper side is communicated with the third pipeline 14, the internal circulation of the third pipeline 14, the clamping fluid cavity 76 and the second pipeline 19 is reversed relative to the previous state, so that the clamping block threaded rod 57 is reversed to drive the clamping block 46 to displace towards the direction far away from the center of the placing cavity 44 through the clamping block threaded hole 55 meshed with, after the clamping of the steel bars is finished, the clamping block threaded rod 57 rotates reversely relative to the previous clamping block threaded rod to drive the ratchet wheel 75 to rotate, so that the transmission gear 74 meshed with the ratchet wheel 75 is driven to rotate, the transmission gear 74 rotates to drive the magnet disc 73 coaxial with the transmission gear to rotate, so that the magnet disc 73 drives the winding wheel 70 to rotate through the magnet attracted with the magnet disc, the lifting block pull rope 34 is tensioned, the lifting block 41 is enabled to move upwards to return to the initial position, the working block pull rope 43 is tensioned to return the upper working block 35 to the initial state, and when the lifting block 41 abuts against the lifting block limiting block 32, the transmission shaft 72 idles relative to the winding wheel 70.

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

Claims

1. The utility model provides a safety protection's handheld reinforcing bar shearing apparatus, includes handheld pole, its characterized in that: a valve block chute is arranged in the handheld rod, an air pump is fixedly arranged on the inner wall of the right side of the valve block chute, a lower working block is fixedly arranged on the left end face of the handheld rod, an upper working block is arranged on the upper side of the lower working block, hinge blocks which are symmetrical front and back are fixedly arranged on the bottom end face of the upper working block and the top end face of the lower working block respectively, the hinge block arranged on the bottom end face of the placing cavity is hinged with the hinge block arranged on the top end face of the lower working block through a hinge rod, an anti-toppling mechanism is arranged in the upper working block, and placing cavities are vertically communicated with the upper working block and the lower working block respectively; the bottom end face of the upper working block is fixedly provided with a working limiting block, the top end face of the lower working block is fixedly provided with a working block spring fixedly connected with the bottom end face of the upper working block, the bottom end face of the pressed sliding block cavity is fixedly provided with a first pipeline fixedly connected with the top end face of the lower working block, the front and rear inner walls of the placing cavity are provided with clamping block chutes which are symmetrical up and down and have openings facing the center of the placing cavity, the clamping block chute at the upper side is positioned in the upper working block, the clamping block chute at the lower side is positioned in the lower working block, the front and rear inner walls of the placing cavity are provided with a shearing block chute which has an opening facing the center of the placing cavity and is positioned between the two groups of clamping block chutes, the clamping block chute is internally provided with a clamping block in a sliding manner, and a clamping block threaded hole, the clamping piece moves towards it link up from top to bottom to place the terminal surface of chamber one side and is equipped with the clamping groove, the downside be equipped with the opening orientation on the clamping inslot wall place the clamping at chamber center and receive a piece spout, the clamping receives a piece spout and slides and is equipped with the clamping and receive the piece, the clamping receives the piece to keep away from place the terminal surface of chamber center one side fixed be equipped with the clamping receives a piece spring that the clamping received piece spout inner wall fixed connection, the clamping receives fixedly on the terminal surface of piece top and is equipped with the clamping and receives a lug, the clamping receives a lug orientation place fixedly connected with valve block fixture block stay cord on the terminal surface of chamber center one side.

2. The hand-held steel bar shearing device with safety protection as claimed in claim 1, wherein: the inner wall of one side of the clamping block chute, which is far away from the center of the placing cavity, is rotatably provided with a clamping block threaded rod extending to one side of the placing cavity, the clamping block threaded rod is meshed with the clamping block threaded hole, the end surface of one side of the shearing block, which is far away from the placing cavity, is provided with a shearing block threaded hole with an opening far away from the center of the placing cavity, the end surface of the shearing block, which is close to one side of the placing cavity, is fixedly provided with a blade, the inner wall of one side of the shearing block chute, which is far away from the center of the placing cavity, is rotatably provided with a shearing block threaded rod extending to one side of the placing cavity, the shearing block threaded rod is meshed with the shearing block threaded hole, the inner wall of one side of the clamping block chute, which is far away from the center of the placing cavity, is provided with, the clamping fluid cavity comprises a clamping fluid cavity, a clamping block threaded rod, a shearing block threaded rod and a shearing fluid cavity, wherein the clamping fluid cavity is internally provided with a first pipeline, the clamping fluid cavity is internally provided with a clamping block turbine cavity, the clamping block turbine cavity is provided with an upward opening and is used for shearing the clamping fluid cavity, the clamping block threaded rod penetrates through the front inner wall and the rear inner wall of the clamping block turbine cavity and is connected with the front inner wall and the rear inner wall of the clamping block turbine cavity in a rotating fit manner, sixteen clamping turbine blades are fixedly arranged on the inner bottom wall of the clamping fluid cavity, the bottom wall of the shearing fluid cavity is provided with a shearing block turbine cavity, the shearing block threaded rod penetrates through the front inner wall and the rear inner wall of the shearing block turbine cavity and is connected with the shearing block turbine cavity in a rotating fit manner, and sixteen shearing turbine blades are fixedly arranged on the, go up the rear side be equipped with the transmission chamber on the clamping piece turbine chamber rear side inner wall, go up the rear side the clamping piece threaded rod runs through inner wall and normal running fit connection with it around the transmission chamber, go up the rear side the clamping piece threaded rod is located fixed ratchet that is equipped with in the part of transmission intracavity, it is equipped with the transmission shaft to rotate on the inner wall around the transmission chamber, fixed being equipped with on the transmission shaft with ratchet engaged with drive gear and the magnet dish that is located the drive gear front side, it is equipped with to rotate on the transmission shaft to be located the winding wheel of magnet dish front side, it has the elevator stay cord to fix the winding on the winding wheel, fixed be equipped with on the winding wheel rear end face with magnet dish looks suction fit's magnet.

3. The hand-held steel bar shearing device with safety protection as claimed in claim 1, wherein: the anti-toppling mechanism comprises an elevating block sliding groove arranged in the upper working block, an elevating block is arranged in the elevating block sliding groove in a sliding manner, an elevating block spring fixedly connected with the inner wall of the elevating block sliding groove is fixedly arranged on the end surface of the top of the elevating block, an elevating block pull rope is fixedly connected with the end surface of the top of the elevating block, the other end of the winding wheel is far away from the elevating block pull rope, an elevating block limiting block with bilateral symmetry is fixedly arranged on the inner wall of the elevating block sliding groove, an elevating block clamping block sliding groove with a leftward opening is arranged on the inner wall of the right side of the elevating block sliding groove, an elevating block clamping block pull rope is arranged in the elevating block sliding groove in a sliding manner, an elevating block clamping block spring fixedly connected with the inner wall of the right side of the elevating block clamping groove is fixedly arranged on the end surface of the right side of the elevating block clamping block, an elevating block pull rope is fixedly connected with the The lifting block clamping device comprises a lifting block clamping rope, a lifting block clamping block, a pressing connecting rod, a pressing block and a pressing block, wherein the left end face of the upper working block is provided with a pressed sliding block cavity with a left opening, the pressed sliding block cavity is arranged in the pressed sliding block cavity in a sliding mode, the left end face of the pressed sliding block is fixedly connected with the lifting block clamping block pulling rope, the other end of the lifting block clamping block is far away from the lifting block clamping block, the left end face of the pressed sliding block is fixedly provided with a pressed.

4. The hand-held steel bar shearing device with safety protection as claimed in claim 1, wherein: a valve block is arranged in the valve block chute in a sliding manner, a valve block fixedly connected with the left inner wall of the valve block chute is fixedly arranged on the left end face of the valve block, a valve block inner cavity is arranged in the valve block, a fourth pipeline communicated with the air pump is connected on the right inner wall of the valve block inner cavity in a through manner, vertically symmetrical valve block through holes are arranged on the upper inner wall and the lower inner wall of the valve block inner cavity in a through manner, a valve block clamping block chute with a downward opening is arranged on the inner top wall of the valve block chute, a valve block clamping block is arranged in the valve block clamping block chute in a sliding manner, a valve block clamping block spring fixedly connected with the inner top wall of the valve block clamping block chute is fixedly arranged on the top end face of the valve block clamping block, the other end of the valve block clamping block pulling rope far away from the clamping pressed block convex block is fixedly connected on the top end face of the valve block chute, the valve block is characterized in that the bottom wall in the valve block sliding groove is communicated with the other end, away from the cutting fluid cavity, of the first pipeline, a valve block spring fixedly connected with the inner wall on the left side of the valve block sliding groove is fixedly arranged on the end face on the left side of the valve block, and electromagnets repellent to the valve block are fixedly arranged on the inner wall on the left side of the valve block sliding groove.