Disclosure of Invention
Aiming at the technical defects, the invention provides a clamping and bending device for a steel bar, which can overcome the defects.
The invention relates to a clamping and bending device for reinforcing steel bars, which comprises an installation box, wherein an installation cavity is arranged in the installation box, a clamping mechanism is arranged in the installation cavity, the clamping mechanism comprises a driving shaft rotatably arranged in the upper end wall and the lower end wall of the installation cavity, a placing box is fixedly arranged on the driving shaft, a placing cavity is arranged in the placing box, an L-shaped clamping rod is slidably arranged in the placing cavity, a magnet and T-shaped pushing block is slidably arranged in the bottom end wall of the installation cavity, a first clamping block positioned outside the installation box is fixedly arranged on the upper end surfaces of the pushing block and the clamping rod, the right side of the driving shaft is provided with the first clamping block, an arc-shaped groove I with an opening facing the side direction of the driving shaft is arranged in the first clamping block, a first pushing groove is arranged in the first arc-shaped groove, and a first pushing plate with an arc surface and an L, a first pushing spring is fixedly connected between the right end face of the first pushing plate and the right end wall of the first pushing groove, a first arc plate capable of stretching leftwards and rightwards and being in an L shape is fixedly installed on the side end wall of the first pushing groove far away from the driving shaft direction, a first rotating block capable of stretching and T shape is fixedly installed in the arc surface of the first arc plate, a first driving spring is fixedly connected between the arc surface of the right end of the first arc block and the arc surface of the first arc plate, a first rotating shaft with a torsion spring is rotatably installed in the front end wall and the rear end wall of the first pushing groove, a first rotating block is fixedly installed on the first rotating shaft, a first clamping plate capable of stretching upwards and downwards and being in a T shape is fixedly installed on the arc surface of the first arc groove, the first clamping plate is provided with an arc surface, a first clamping spring is fixedly connected between the arc surface of the upper end of the first clamping, the rubber block lower end inclined plane and the pushing plate upper end inclined plane are fixedly connected, a driving mechanism is arranged in the installation cavity, a bending mechanism is arranged in the installation cavity and comprises a fixed shaft fixedly installed on the upper end face of the installation box, a bending sleeve is fixedly installed on the fixed shaft, five bending grooves are formed in the bending sleeve relative to the central symmetrical annular array, a bending plate with a cambered surface and a T-shaped shape is slidably installed in the bending grooves, and a bending spring is fixedly connected between the end wall of the lower end of the rubber block and the end wall of the upper end of the pushing plate, close to the end face of the central side of the fixed shaft and close to the end wall of the central side.
Preferably, fixture still includes fixed mounting and is in the telescopic plate that can control flexible in the install bin up end, the telescopic plate with promote a sliding fit, the install bin with place the equal fixed mounting of case up end and be located outside the install bin grip block two, the grip block two is located the drive shaft left side, be equipped with the opening court in the grip block two the arc wall two of drive shaft side direction, be equipped with in the arc wall two and promote groove two, slidable mounting has the catch plate two that has cambered surface and L shape in promoting groove two upper end walls, catch plate two left end faces and fixedly connected with promotes spring two between the two left end walls of promotion groove, it keeps away from to promote groove two drive shaft direction side end wall fixed mounting has the arc wall two that can control flexible L shape.
Preferably, the clamping mechanism further comprises a telescopic block which is fixedly arranged in the upper end face of the placing box and can be stretched left and right, the rear end face of the telescopic block is abutted against the front end face of the clamping rod, a second telescopic T-shaped arc block is fixedly arranged in the cambered surface of the second arc plate, a second driving spring is fixedly connected between the cambered surface at the left end of the second arc block and the cambered surface of the second arc plate, a second rotating shaft with a torsion spring is rotatably arranged on the front end wall and the rear end wall of the second pushing groove, a second rotating block is fixedly arranged on the second rotating shaft, a second clamping plate which can stretch up and down and is T-shaped is fixedly arranged on the cambered surface of the second arc-shaped groove and is provided with a cambered surface, a second clamping spring is fixedly connected between the cambered surface at the upper end of the second clamping plate and the cambered wall at the upper end of the second arc-shaped groove, the right end of the second clamping plate is fixedly provided with a second rubber block, and the lower end inclined plane of the second rubber block is fixedly connected with the upper end inclined plane of the second pushing plate.
Preferably, the driving mechanism comprises a clamping motor fixedly mounted on the right end face of the mounting cavity, the left end of the clamping motor is in power connection with a threaded shaft, an internal thread sleeve is mounted in the pushing block in a rotating mode, the internal thread sleeve and the threaded shaft are in threaded transmission, a moving plate connected to the placing cavity is fixedly mounted on the rear end face of the pushing block, a moving groove located in the placing cavity and provided with an opening facing the left is formed in the moving plate, a moving block abutted to the clamping rod is slidably mounted in the moving groove, and a moving spring is fixedly connected between the right end face of the moving block and the right end wall of the moving groove.
Preferably, the mechanism of bending still including setting up the adjustment tank in the installation cavity left end wall, slidable mounting has the regulating block in the adjustment tank, the regulating block left end face with fixedly connected with regulating spring between the adjustment tank left end wall, slidable mounting has the lug in the regulating block right-hand member face, regulating block up end fixed mounting can with promote the magnetic sheet that the piece magnet attracted mutually, the magnetic sheet with install bin up end and expansion plate sliding fit, installation cavity bottom end wall fixed mounting has the motor of bending, the motor upper end power of bending is connected with the axle of bending, bend epaxial rotation and install the driving-disc, driving-disc left end cambered surface with lug right-hand member face fixed connection.
Preferably, the bending mechanism further comprises a rotating plate fixedly mounted on the bending shaft and located on the upper side of the driving plate, a driving groove is formed in the upper end face of the driving plate, a roller is slidably mounted in the driving groove, a connecting rod is rotatably mounted in the upper end face of the roller, a track groove is formed in the driving plate, a cylindrical rod in sliding fit with the track groove is fixedly mounted on the bottom end wall of the mounting cavity, a driving plate is slidably mounted in the rotating plate and is in rotating fit with the connecting rod, a pulling block which is inclined and T-shaped on the upper side of the driving plate is fixedly mounted on the connecting rod, a connecting plate is slidably mounted in the left end face of the placing box, and the left end face of the connecting plate is hinged to the right end.
The beneficial effects are that: the device provided by the invention has the advantages that the reinforcing steel bars to be bent are placed and are driven to clamp the reinforcing steel bars at the two ends of the bent part, so that the phenomenon that the bending position is not in place due to slippage of the reinforcing steel bars in the bending process is avoided, and when the reinforcing steel bars with different thicknesses are bent, the radian of the bending is adjusted, the bending angle is adjusted, and the breakage of the reinforcing steel bars is avoided.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-7, for convenience of description, the following orientations will now be defined: 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 invention relates to a clamping and bending device for reinforcing steel bars, which comprises an installation box 10, wherein an installation cavity 11 is arranged in the installation box 10, a clamping mechanism 75 for clamping the reinforcing steel bars at two ends of a bent part is arranged in the installation cavity 11, the clamping mechanism 75 comprises a driving shaft 62 rotatably arranged in the upper end wall and the lower end wall of the installation cavity 11, a placing box 19 is fixedly arranged on the driving shaft 62, a placing cavity 63 is arranged in the placing box 19, an L-shaped clamping rod 65 is slidably arranged in the placing cavity 63, a T-shaped pushing block 47 with a magnet is slidably arranged in the bottom end wall of the installation cavity 11, a first clamping block 37 positioned outside the installation box 10 is fixedly arranged on the upper end surfaces of the pushing block 47 and the clamping rod 65, the first clamping block 37 is positioned on the right side of the driving shaft 62, a first arc-shaped groove 35 with an opening facing to the side of the driving shaft 62 is arranged, a first pushing groove 40 is arranged in the first arc-shaped groove 35, a first pushing plate 39 with an arc surface and an L shape is slidably mounted on the upper end wall of the first pushing groove 40, a first pushing spring 41 is fixedly connected between the right end face of the first pushing plate 39 and the right end wall of the first pushing groove 40, a first arc-shaped plate 44 capable of stretching left and right and contracting L shape is fixedly mounted on the side end wall of the first pushing groove 40 away from the driving shaft 62, a first arc-shaped block 34 capable of stretching T shape is fixedly mounted in the arc surface of the first arc-shaped plate 44, a first driving spring 33 is fixedly connected between the right end arc surface of the first arc-shaped block 34 and the arc surface of the first arc-shaped plate 44, a first rotating shaft 43 with a torsion spring is rotatably mounted in the front end wall and the rear end wall of the first pushing groove 40, a first rotating block 42 is fixedly mounted on the first rotating shaft 43, and a first clamping plate, the first clamping plate 53 is provided with an arc surface, the arc surface of the upper end of the first clamping plate 53 and the arc wall of the upper end of the first arc groove 35 are fixedly connected with a first clamping spring 36, the right end of the first clamping plate 53 is fixedly provided with a first rubber block 38, the lower end inclined plane of the first rubber block 38 is fixedly connected with the upper end inclined plane of the first pushing plate 39, a driving mechanism 76 capable of driving the first clamping to be stable is arranged in the installation cavity 11, a bending mechanism 77 capable of bending steel bars is arranged in the installation cavity 11 and comprises a fixing shaft 71 fixedly arranged on the upper end surface of the installation box 10, a bending sleeve 70 is fixedly arranged on the fixing shaft 71, five bending grooves 73 are formed in the bending sleeve 70 relative to a central symmetrical annular array, a bending plate 74 with an arc surface and a T shape is arranged in the bending grooves 73 in a sliding manner, the bending plate 74 is close to the central side end surface of the fixing shaft 71 and the bending groove 73 is close to the A bending spring 72 is fixedly connected between the two.
Beneficially, the clamping mechanism 75 further includes a telescopic plate 48 fixedly installed in the upper end face of the installation box 10 and capable of stretching left and right, the telescopic plate 48 is in sliding fit with the pushing block 47, a clamping block two 27 located outside the installation box 10 is fixedly installed on both the upper end faces of the installation box 10 and the placing box 19, the clamping block two 27 is located on the left side of the driving shaft 62, an arc-shaped groove two 30 with an opening facing the side direction of the driving shaft 62 is arranged in the clamping block two 27, a pushing groove two 24 is arranged in the arc-shaped groove two 30, a pushing plate two 25 with an arc surface and an L shape is slidably installed in the upper end wall of the pushing groove two 24, a pushing spring two 23 is fixedly connected between the left end face of the pushing plate two 25 and the left end wall of the pushing groove two 24, a side end wall of the pushing groove two 24 far away from the driving shaft 62 is fixedly installed with an arc-shaped plate two 20, when the second pushing plate 25 abuts against the required steel bar, the second pushing plate 25 is urged to move to the left side.
Beneficially, the clamping mechanism 75 further comprises a telescopic block 64 which is fixedly installed in the upper end face of the placing box 19 and can be stretched left and right, the rear end face of the telescopic block 64 is abutted against the front end face of the clamping rod 65, a telescopic and T-shaped arc block two 31 is fixedly installed in the arc face of the arc block two 20, a driving spring two 32 is fixedly connected between the left end arc face of the arc block two 31 and the arc face of the arc block two 20, a rotating shaft two 21 with a torsion spring is rotatably installed in the front and rear end walls of the pushing groove two 24, a rotating block two 22 is fixedly installed on the rotating shaft two 21, a clamping plate two 29 which can be stretched up and down and is T-shaped is fixedly installed on the arc face of the arc groove two 30, the clamping plate two 29 has an arc face, a clamping spring two 28 is fixedly connected between the upper end arc face of the clamping plate two 29 and the upper end arc wall of the arc groove two 30, and a rubber block two, the inclined plane at the lower end of the second rubber block 26 is fixedly connected with the inclined plane at the upper end of the second pushing plate 25, the second rotating block 22 is pushed by the second pushing plate 25 to rotate around the second rotating shaft 21, and the second rotating block 22 is pushed to move rightwards by the second arc-shaped plate 20 in the rotating process.
Advantageously, said driving mechanism 76 comprises a clamping motor 45 fixedly mounted on the right end face of said mounting chamber 11, the left end of the clamping motor 45 is in power connection with a threaded shaft 49, an internal threaded sleeve 46 is rotatably mounted in the pushing block 47, the internal thread sleeve 46 and the thread shaft 49 are in thread transmission, a moving plate 69 connected to the placing cavity 63 is fixedly arranged on the rear end face of the pushing block 47, the moving plate 69 is provided with a moving groove 68 which is positioned in the placing cavity 63 and has a leftward opening, a moving block 66 which is abutted against the clamping rod 65 is arranged in the moving groove 68 in a sliding way, a moving spring 67 is fixedly connected between the right end surface of the moving block 66 and the right end wall of the moving groove 68, the pushing block 47 is driven to move leftwards by the internal thread sleeve 46 as the threaded shaft 49 rotates and is in threaded transmission with the internal thread sleeve 46.
Beneficially, the bending mechanism 77 further includes an adjusting groove 13 disposed in the left end wall of the mounting cavity 11, an adjusting block 12 is slidably mounted in the adjusting groove 13, an adjusting spring 14 is fixedly connected between the left end surface of the adjusting block 12 and the left end wall of the adjusting groove 13, a protruding block 15 is slidably mounted in the right end surface of the adjusting block 12, a magnetic plate 17 capable of attracting a magnet on the pushing block 47 is fixedly mounted on the upper end surface of the adjusting block 12, the magnetic plate 17 is in sliding fit with the upper end surface of the mounting box 10 and the expansion plate 48, a bending motor 52 is fixedly mounted on the bottom end wall of the mounting cavity 11, a bending shaft 51 is dynamically connected to the upper end of the bending motor 52, a driving disc 16 is rotatably mounted on the bending shaft 51, the left end arc surface of the driving disc 16 is fixedly connected with the right end surface of the protruding block 15, and moves leftwards through the pushing block, the magnets on the pushing block 47 are gradually attracted to the magnetic plate 17, so that the distance of the magnetic plate 17 moving rightwards moves according to different thicknesses of actual steel bars.
Advantageously, the bending mechanism 77 further comprises a rotating plate 50 fixedly mounted on the bending shaft 51 and located on the upper side of the driving plate 16, a driving groove 57 is formed in the upper end surface of the driving plate 16, a roller 56 is slidably mounted in the driving groove 57, a connecting rod 55 is rotatably mounted in the upper end surface of the roller 56, a track groove 60 is formed in the driving plate 16, a cylindrical rod 59 slidably fitted with the track groove 60 is fixedly mounted on the bottom end wall of the mounting cavity 11, a driving plate 61 is slidably mounted in the rotating plate 50, the driving plate 61 is rotatably fitted with the connecting rod 55, an inclined and T-shaped pulling block 18 located on the upper side of the driving plate 61 is fixedly mounted on the connecting rod 55, a connecting plate 58 is slidably mounted on the left end surface of the placing box 19, the left end surface of the connecting plate 58 is hinged to the right end surface of the pulling block 18, and, the rotating plate 50 is caused to rotate, so that the driving plate 61 drives the roller 56 to rotate along the track of the driving slot 57 through the connecting rod 55.
In the initial state, the adjusting spring 14 is in the undeformed state so that the adjusting block 12 is at the rightmost side of the adjusting groove 13, the second pushing spring 23 is in the undeformed state so that the second pushing plate 25 is at the right side of the second pushing groove 24, the second clamping spring 28 is in the undeformed state so that the second clamping plate 29 is at the lower side, the second driving spring 32 is in the undeformed state so that the second arc block 31 is at the right side, the first pushing spring 41 is in the undeformed state so that the first pushing plate 39 is at the left side of the first pushing groove 40, the first clamping spring 36 is in the undeformed state so that the first clamping plate 53 is at the lower side, and the first driving spring 33 is in the undeformed state so that the first arc.
When the steel bar bending machine starts to work, the steel bar to be bent is placed on the upper sides of the expansion plate 48 and the expansion block 64, the position to be bent is determined, when the steel bar needs to be clamped stably, the clamping motor 45 is started, and rotates through the threaded shaft 49 and is in threaded transmission with the internal threaded sleeve 46, so that the internal threaded sleeve 46 drives the pushing block 47 to move leftwards, the moving plate 69 is driven to move leftwards, the moving block 66 drives the clamping rod 65 to move leftwards, and the clamping block I37 on the front side and the rear side is driven to move leftwards to clamp the steel bar;
when the first push plate 39 abuts against a required steel bar, the first push plate 39 is driven to move towards the right side, the first push plate 39 drives the first rotating block 42 to rotate around the first rotating shaft 43, the first rotating block 42 is driven to drive the first arc plate 44 to move leftwards and extend in the rotating process, the first arc block 34 is driven to abut against the lower side of the steel bar and ensure that the first arc block 34 controls the position of the lower side of the steel bar, when the left side of the steel bar abuts against the second push plate 25, the second push plate 25 is driven to move leftwards, the second rotating block 22 is driven to rotate around the second rotating shaft 21 by the second push plate 25, the second rotating block 22 is driven to drive the second arc plate 20 to move rightwards and extend in the rotating process, the second arc block 31 and the first arc block 34 are driven to abut against the lower side of the steel bar and ensure that the second arc block 31 controls the position of the lower side of the steel bar, and the, thereby causing the determined bend location to change;
meanwhile, the pushing block 47 moves leftwards to enable the magnets on the pushing block 47 to be gradually attracted with the magnetic plate 17, so that the distance for the magnetic plate 17 to move rightwards moves according to different thicknesses of actual reinforcing steel bars, the magnetic plate 17 drives the adjusting block 12 to move rightwards, the convex block 15 pushes the driving disc 16 to move rightwards through the cylindrical rod 59 along the track of the track groove 60, the rotating position of the driving plate 61 is changed, the change of the rotating radian of the placing box 19 is enabled to be changed through the change of the moving distance of the pulling block 18, and the reinforcing steel bars with different thicknesses are prevented from being broken due to overlarge bending force during bending,
when the steel bar needs to be bent, the bending shaft 51 is started to rotate, the rotating plate 50 is driven to rotate, so that the driving plate 61 drives the roller 56 to rotate along the track of the driving slot 57 through the connecting rod 55, the driving plate 61 drives the connecting plate 58 to move through the pulling block 18, thereby causing the placing box 19 to rotate around the driving shaft 62, ensuring the bending position of the reinforcing steel bars by the second clamping block 27 and the first clamping block 37 at the rear side and avoiding the movement of the reinforcing steel bars, causing the bending of the reinforcing steel bars, and the steel bar is abutted against the cambered surface of the bending plate 74 during bending, so that the radian of the steel bar is changed during bending, the integrity of the steel pipe is ensured, the steel pipe is prevented from being broken, and causes the rotating plate 50 to rotate ninety degrees to the left of the center of the bending axis 51, after which the clamp motor 45 is reversed, causing the bent bar to be removed and the device to return to the initial position.
The beneficial effects are that: the device provided by the invention has the advantages that the reinforcing steel bars to be bent are placed and are driven to clamp the reinforcing steel bars at the two ends of the bent part, so that the phenomenon that the bending position is not in place due to slippage of the reinforcing steel bars in the bending process is avoided, and when the reinforcing steel bars with different thicknesses are bent, the radian of the bending is adjusted, the bending angle is adjusted, and the breakage of the reinforcing steel bars is avoided.
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.