CN209918769U

CN209918769U - High-precision positioning device of steel bar straightening and cutting machine

Info

Publication number: CN209918769U
Application number: CN201920564954.3U
Authority: CN
Inventors: 吴少泉
Original assignee: Guangdong Goldman Sachs Group Co Ltd
Current assignee: Guangdong Goldman Sachs Group Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-01-10
Anticipated expiration: 2029-04-24

Abstract

The utility model provides a high accuracy positioner of bar straightening cutter, relates to bar processing technology field, including organism and frame, is equipped with the frame on the organism, is equipped with the scale in the frame, is equipped with cutting mechanism in the frame, and the cutting mechanism below is equipped with positioning mechanism, the frame on be equipped with the slide bar, the slide bar is connected and both are sliding connection with the movable block, the movable block passes through threaded connection with the removal lead screw, the removal lead screw is established in the frame and removes lead screw and scale parallel arrangement each other, the removal lead screw is connected with actuating mechanism, actuating mechanism establishes in the frame, movable block bottom be equipped with stop gear. The device fixes the reinforcing bar through positioning mechanism, and the reinforcing bar removes and makes the incision irregular or reinforcing bar length and the emergence of phenomenons such as length error that needs when avoiding the cutting knife cutting.

Description

High-precision positioning device of steel bar straightening and cutting machine

The technical field is as follows:

the utility model relates to a technical field is handled to the reinforcing bar, concretely relates to high accuracy positioner of bar straightening cutter.

Background art:

reinforcing steel bars, which are very important building materials in the building industry, must be produced and transported in large batches, reinforcing steel bars with the diameter of less than 10mm are usually coiled into reinforcing steel bar coils with the diameter of about 1 meter in the transportation process for convenience of movement and transportation space saving, however, the coiled reinforcing steel bars cannot be used as materials of building engineering, so that the curved reinforcing steel bars must be straightened by using a reinforcing steel bar straightening and cutting machine and cut into reinforcing steel bar sections with equal length according to the required length, and the coiled reinforcing steel bars are applied to the building industry. The length of the reinforcing bar that current bar straightening cutter can't the as required automatic adjustment needs the cutting, in addition, current bar straightening cutter is owing to lack positioner when the cutting, and the reinforcing bar that the cutting knife took place easily when the cutting removes and the time cut mouthful is irregular or the reinforcing bar after cutting has the difference with needs.

The utility model has the following contents:

the utility model aims at overcoming the shortcomings of the prior art and providing a high-precision positioning device of a steel bar straightening and cutting machine.

The utility model adopts the technical proposal that: the utility model provides a high accuracy positioner of bar straightening cutter, includes organism and frame, is equipped with the frame on the organism, is equipped with the scale in the frame, is equipped with cutting mechanism in the frame, is equipped with positioning mechanism below the cutting mechanism, the frame on be equipped with the slide bar, the slide bar is connected and both are sliding connection with the movable block, the movable block passes through threaded connection with the removal lead screw, the removal lead screw is established in the frame and is removed lead screw and scale parallel arrangement each other, the removal lead screw is connected with actuating mechanism, actuating mechanism establishes in the frame, movable block bottom be equipped with stop gear.

The cutting mechanism comprises a lifting cylinder, a cutting knife, a cutting groove and a workbench, the lifting cylinder is arranged on the rack, an output rod of the lifting cylinder is connected with the cutting knife, the workbench is arranged on the machine body, the cutting groove is formed in the workbench, and the cutting groove is located under the cutting knife.

The limiting mechanism is located behind the cutting mechanism and comprises a limiting cylinder and a limiting plate, the limiting cylinder is arranged at the bottom of the moving block, an output rod of the limiting cylinder is connected with the limiting plate, the limiting plate is located above the machine body, and the limiting plate is located behind a cutting knife in the cutting mechanism.

The driving mechanism comprises a rack sliding block, a rack, a gear and a driving cylinder, the driving cylinder is arranged on the rack, an output rod of the driving cylinder is connected with the rack, the rack is connected with the rack sliding block and is in sliding connection with the rack sliding block, the rack sliding block is fixed on the rack, the rack is meshed with the gear, and the output end of the gear is fixedly connected with the screw rod.

The positioning mechanism comprises two positioning components, the two positioning components have the same structure, and the positions of the two positioning components correspond to each other.

Locating component include clamp splice A, clamp splice B, mount, fixed block, guide bar, handle wheel, accommodate the lead screw, fly leaf and shock attenuation pole, the fixed block establish on the organism, the fixed block is connected and both are sliding connection with the guide bar, guide bar and fly leaf fixed connection, the fly leaf passes through the bearing with accommodate the lead screw's one end and is connected, accommodate the lead screw's the other end passes the fixed block and is connected with the handle wheel, accommodate the lead screw passes through threaded connection with the fixed block, the fly leaf be connected with the one end of shock attenuation pole, the other end and the mount of shock attenuation pole are connected, be equipped with clamp splice A and clamp splice B on the mount, clamp splice A and clamp splice B are located the both ends of mount respectively.

The clamping block A is provided with an arc-shaped groove, the clamping block B is provided with an arc-shaped groove, and the clamping block A and the clamping block B are arranged in parallel.

The shock attenuation pole include interior pole, outer pole and spring, the outer pole be cavity pole, outer pole and fly leaf fixed connection, interior pole one end insert in the outer pole, the other end and the mount of interior pole are connected, the cover has the spring on the interior pole, the spring is located between mount and the outer pole.

The machine body is provided with a straightening mechanism.

The utility model has the advantages that: the device fixes the reinforcing bar through positioning mechanism, and the reinforcing bar removes and makes the incision irregular or reinforcing bar length and the length that needs have the error when avoiding the cutting knife cutting. The device can drive the removal lead screw through actuating mechanism and rotate and drive the movable block along removing the lead screw translation to adjust stop gear's position, the cutting knife cuts when the reinforcing bar removes to the contact with stop gear, and the length of the reinforcing bar of cutting knife cutting is adjusted through automatically regulated stop gear's position, and convenient and fast has improved regulation efficiency and regulation precision.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the positioning mechanism of the present invention.

The specific implementation mode is as follows:

referring to the figures, the high-precision positioning device of the steel bar straightening and cutting machine comprises a machine body 15 and a machine frame 1, wherein the machine body 15 is provided with the machine frame 1, the machine frame 1 is provided with a graduated scale 4, the machine frame 1 is provided with a cutting mechanism, the lower part of the cutting mechanism is provided with a positioning mechanism, the machine frame 1 is provided with a sliding rod 3, the sliding rod 3 is connected with a moving block 6, the sliding rod 3 and the moving block 6 are in sliding connection, the moving block 6 is in threaded connection with a moving lead screw 5, the moving lead screw 5 is arranged on the machine frame 1, the moving lead screw 5 and the graduated scale 4 are arranged in parallel, the moving lead screw 5 is connected with a driving mechanism, the driving mechanism. Be equipped with alignment structure 16 on organism 15, reinforcing bar 17 at first straightens the back through alignment mechanism 16, carry and carry to cutting mechanism and stop gear 14 in proper order, when reinforcing bar 17 and stop gear 14 contact, cutting mechanism cuts, therefore, at every turn, when reinforcing bar 17 and stop gear 14 contact, cutting mechanism cuts promptly, the distance between cutting mechanism and the stop gear 14 is the length of the reinforcing bar 17 of cutting promptly, 17 levels are cheap in order to avoid reinforcing bar when cutting mechanism cuts, set up positioning mechanism below cutting mechanism, fix a position reinforcing bar 17 through positioning mechanism when cutting mechanism cuts, avoid appearing the problem that the length error of reinforcing bar 17 after the incision is irregular or the cutting is big. Set up scale 4 in frame 1, the device's operating personnel can look over the distance that stop gear 14 removed and the length of the reinforcing bar 17 of cutting through scale 4, and the reading of scale 4 is mutually witnessed with the distance that 14 stop gear of actuating mechanism control removed, avoids appearing too big error phenomenon, can improve the accuracy nature of the reinforcing bar 17 length after the device cutting simultaneously.

The cutting mechanism comprises a lifting cylinder 2, a cutting knife 13, a cutting groove 18 and a workbench 19, wherein the lifting cylinder 2 is arranged on the frame 1, an output rod of the lifting cylinder 2 is connected with the cutting knife 13, the workbench 19 is arranged on the machine body 15, the cutting groove 18 is arranged on the workbench 19, and the cutting groove 18 is positioned under the cutting knife 13. When needs cutting, the output rod of lift cylinder 2 drives cutting knife 13 downshifting and cuts reinforcing bar 17, and the existence of cutting groove 18 is to avoid cutting knife 13 to touch 19 faces of workstation and damage when the cutting, has prolonged cutting knife 13's life. When not needing to cut, lift cylinder 2 drives cutting knife 13 upward movement to with reinforcing bar 17 contactless, avoids cutting knife 13 fish tail reinforcing bar 17 surface.

The limiting mechanism 14 is located behind the cutting mechanism, the limiting mechanism 14 comprises a limiting cylinder 7 and a limiting plate 12, the limiting cylinder 7 is arranged at the bottom of the moving block 6, an output rod of the limiting cylinder 7 is connected with the limiting plate 12, the limiting plate 12 is located above the machine body 15, and the limiting plate 12 is located behind a cutting knife 13 in the cutting mechanism. After stop gear 14's position control is good, drive limiting plate 12 downstream through spacing cylinder 7, limiting plate 12 move to with 15 surface contact of organism, can install contact pick-up or inductor on limiting plate 12 to with contact signal transmission for the controller when making reinforcing bar 17 and limiting plate 12 contact, descend by the output pole of controller control lift cylinder 2, cutting knife 13 and reinforcing bar 17 surface contact and cutting when the output pole of lift cylinder 2 descends. The controller controls the lifting cylinder 2, the limiting cylinder 7 and the driving air rod output rod to move, and the controller is in the prior art and can adopt a PLC control system in the prior art. When the limiting mechanism 14 needs to be moved, the limiting cylinder 7 drives the limiting plate 12 to ascend, so that the limiting plate 12 is separated from the top of the machine body 15, and the limiting mechanism 14 is convenient to move.

The driving mechanism comprises a rack sliding block 8, a rack 10, a gear 9 and a driving cylinder 11, wherein the driving cylinder 11 is arranged on the rack 1, an output rod of the driving cylinder 11 is connected with the rack 10, the rack 10 is connected with the rack sliding block 8 and is in sliding connection with the rack sliding block 8, the rack sliding block 8 is fixed on the rack 1, the rack 10 is meshed with the gear 9, and the output end of the gear 9 is fixedly connected with the screw rod. When the driving cylinder 11 works, firstly, the driving cylinder 11 drives the rack 10 to slide along the rack sliding block 8, the gear 9 is driven to rotate in the sliding process of the rack 10, the moving screw 5 is driven to rotate when the gear 9 rotates, and the moving block 6 is driven to move when the moving screw 5 rotates, so that the purpose of driving the limiting mechanism 14 to move through the driving mechanism is achieved.

The movement of the lifting cylinder 2, the limiting cylinder 7 and the output rod of the driving cylinder 11 is realized by respectively controlling the air input and the air output of the lifting cylinder 2, the limiting cylinder 7 and the driving air rod, the lifting cylinder 2, the limiting cylinder 7 and the driving air rod are connected with an air source, and the air source can be an air pump.

The positioning mechanism comprises two positioning components, the two positioning components have the same structure, and the positions of the two positioning components correspond to each other. The table 19 is located between the two positioning assemblies.

The locating component include clamp splice A20, clamp splice B30, mount 21, fixed block 22, guide bar 23, handle wheel 24, accommodate the lead screw 25, fly leaf 26 and shock absorber rod, fixed block 22 establish on organism 15, fixed block 22 is connected and both are sliding connection with guide bar 23, guide bar 23 and fly leaf 26 fixed connection, fly leaf 26 passes through the bearing with the one end of accommodate the lead screw 25 and is connected, accommodate the lead screw 25's the other end passes fixed block 22 and is connected with handle wheel 24, accommodate the lead screw 25 and fixed block 22 pass through threaded connection, fly leaf 26 be connected with the one end of shock absorber rod, the other end and the mount 21 of shock absorber rod are connected, be equipped with clamp splice A20 and clamp splice B30 on the mount 21, clamp splice A20 and clamp splice B30 are located the both ends of mount 21 respectively. When the cutting mechanism cuts, the clamping blocks A20 and the clamping blocks B30 in the two positioning assemblies clamp the steel bar 17 at the same time, and the steel bar 17 is prevented from horizontally deviating. When the diameters of the steel bars 17 to be cut are different and the positioning mechanisms need to be adjusted or the clamping tightness of the positioning mechanisms needs to be adjusted, the handle wheel 24 is rotated, the handle wheel 24 drives the adjusting screw rod 25 to rotate, the adjusting screw rod 25 rotates to horizontally move along the fixed block 22 and drive the movable plate 26 to horizontally move along with the adjusting screw rod 25, the movable plate 26 horizontally moves through the damping rod to drive the fixed frame 21 and the clamping block A20 and the clamping block B30 to horizontally move, so that the distance between the two positioning mechanisms is adjusted, when the distance between the two positioning mechanisms is increased, the steel bars 17 with the larger diameter can be positioned, and when the distance between the two positioning mechanisms is shortened, the steel bars 17 with the smaller diameter can be positioned. The tightness of the grip of clamp block a20 with clamp block B30 can be fine tuned when handle wheel 24 is fine tuned.

The clamping block A20 is provided with an arc-shaped groove, the clamping block B30 is provided with an arc-shaped groove, and the clamping block A20 and the clamping block B30 are arranged in parallel. The reinforcing steel bars 17 are clamped in the arc-shaped grooves.

The shock attenuation pole include interior pole 28, outer pole 27 and spring 29, outer pole 27 be the cavity pole, outer pole 27 and fly leaf 26 fixed connection, interior pole 28 one end insert in outer pole 27, the other end and the mount 21 of interior pole 28 are connected, the cover has spring 29 on interior pole 28, spring 29 is located between mount 21 and the outer pole 27. The shock-absorbing rod can play the effort when buffering reinforcing bar 17 cutting. Block a20 was compared to block B30 for distortion and damage.

The machine body 15 is provided with a straightening mechanism 16. The straightening mechanism 16 is conventional, and may be a straightening mechanism 16 of the prior art.

The device fixes reinforcing bar 17 through positioning mechanism, and reinforcing bar 17 removes and makes the emergence of phenomenons such as incision irregularity or reinforcing bar 17 length and the length of needs have the error when avoiding cutting knife 13 cutting. The device can drive through actuating mechanism and remove lead screw 5 and rotate and drive movable block 6 along removing 5 translations of lead screw to adjust stop gear 14's position, cutting knife 13 cuts when reinforcing bar 17 removes to contacting with stop gear 14, adjusts the length of the reinforcing bar 17 of cutting knife 13 cutting through automatically regulated stop gear 14's position, and convenient and fast has improved regulation efficiency and regulation precision.

Claims

1. The utility model provides a high accuracy positioner of bar straightening cutter, includes organism and frame, is equipped with the frame on the organism, its characterized in that: the cutting mechanism is arranged below the cutting mechanism, a sliding rod is arranged on the rack, the sliding rod is connected with a moving block and is in sliding connection with the moving block, the moving block is in threaded connection with a moving lead screw, the moving lead screw is arranged on the rack and is parallel to the cutting mechanism, the moving lead screw is connected with a driving mechanism, the driving mechanism is arranged on the rack, and a limiting mechanism is arranged at the bottom of the moving block.

2. The high precision positioning device of the steel bar straightening and cutting machine according to claim 1, characterized in that: the cutting mechanism comprises a lifting cylinder, a cutting knife, a cutting groove and a workbench, the lifting cylinder is arranged on the rack, an output rod of the lifting cylinder is connected with the cutting knife, the workbench is arranged on the machine body, the cutting groove is formed in the workbench, and the cutting groove is located under the cutting knife.

3. The high precision positioning device of the steel bar straightening and cutting machine according to claim 1, characterized in that: the limiting mechanism is located behind the cutting mechanism and comprises a limiting cylinder and a limiting plate, the limiting cylinder is arranged at the bottom of the moving block, an output rod of the limiting cylinder is connected with the limiting plate, the limiting plate is located above the machine body, and the limiting plate is located behind a cutting knife in the cutting mechanism.

4. The high precision positioning device of the steel bar straightening and cutting machine according to claim 1, characterized in that: the driving mechanism comprises a rack sliding block, a rack, a gear and a driving cylinder, the driving cylinder is arranged on the rack, an output rod of the driving cylinder is connected with the rack, the rack is connected with the rack sliding block and is in sliding connection with the rack sliding block, the rack sliding block is fixed on the rack, the rack is meshed with the gear, and the output end of the gear is fixedly connected with the screw rod.

5. The high precision positioning device of the steel bar straightening and cutting machine according to claim 1, characterized in that: the positioning mechanism comprises two positioning components, the two positioning components have the same structure, and the positions of the two positioning components correspond to each other.

6. The high precision positioning device of the steel bar straightening and cutting machine according to claim 5, characterized in that: locating component include clamp splice A, clamp splice B, mount, fixed block, guide bar, handle wheel, accommodate the lead screw, fly leaf and shock attenuation pole, the fixed block establish on the organism, the fixed block is connected and both are sliding connection with the guide bar, guide bar and fly leaf fixed connection, the fly leaf passes through the bearing with accommodate the lead screw's one end and is connected, accommodate the lead screw's the other end passes the fixed block and is connected with the handle wheel, accommodate the lead screw passes through threaded connection with the fixed block, the fly leaf be connected with the one end of shock attenuation pole, the other end and the mount of shock attenuation pole are connected, be equipped with clamp splice A and clamp splice B on the mount, clamp splice A and clamp splice B are located the both ends of mount respectively.

7. The high precision positioning device of the steel bar straightening and cutting machine according to claim 6, characterized in that: the clamping block A is provided with an arc-shaped groove, the clamping block B is provided with an arc-shaped groove, and the clamping block A and the clamping block B are arranged in parallel.

8. The high precision positioning device of the steel bar straightening and cutting machine according to claim 6, characterized in that: the shock attenuation pole include interior pole, outer pole and spring, the outer pole be cavity pole, outer pole and fly leaf fixed connection, interior pole one end insert in the outer pole, the other end and the mount of interior pole are connected, the cover has the spring on the interior pole, the spring is located between mount and the outer pole.

9. The high precision positioning device of the steel bar straightening and cutting machine according to claim 1, characterized in that: the machine body is provided with a straightening mechanism.