CN214866950U - Automatic reinforcing steel bar rolling straight thread machine tool - Google Patents
Automatic reinforcing steel bar rolling straight thread machine tool Download PDFInfo
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- CN214866950U CN214866950U CN202121063488.4U CN202121063488U CN214866950U CN 214866950 U CN214866950 U CN 214866950U CN 202121063488 U CN202121063488 U CN 202121063488U CN 214866950 U CN214866950 U CN 214866950U
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- 238000005096 rolling process Methods 0.000 title claims abstract description 92
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 239000003921 oil Substances 0.000 claims description 28
- 238000003860 storage Methods 0.000 claims description 17
- 241000719178 Carangoides ruber Species 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses an automatic reinforcing steel bar rolling straight thread machine tool, which comprises a frame and a working bedplate fixedly arranged at the top of the frame; the working table plate is sequentially provided with the following components from front to back: the device comprises a clamping mechanism for clamping a steel bar to be rolled, a positioning mechanism for aligning the center of the steel bar to be rolled with the center of a thread rolling machine head, and a feeding mechanism for pushing the thread rolling machine head to move towards the end part of the steel bar and roll threads. The utility model discloses an automatic reinforcing bar roll extrusion straight thread lathe adds the power degree of holding greatly and can realize reinforcing bar automatic positioning center.
Description
Technical Field
The utility model belongs to the technical field of the steel bar connection machine-building, concretely relates to automatic reinforcing bar roll extrusion straight thread lathe.
Background
In the construction industry, as the quality requirements of customers are higher and higher, the diameter of the required steel bar is larger and larger, and along with the increase of labor cost, the automatic steel bar rolling straight thread machine tool has become a trend to replace labor. However, as the application range of the automatic steel bar rolling straight thread machine tool is wider and wider, the thread rolling machine on the market cannot meet the requirements of customers. The reasons for this are the following: (1) the existing automatic reinforcing steel bar rolling straight thread machine tool is pneumatically clamped, has small clamping force, is only suitable for reinforcing steel bars with small diameter, and obviously generates the phenomenon of reinforcing steel bar rotation when processing reinforcing steel bars with the diameter of more than 32; (2) the existing screw rolling machine has the disadvantages that the existing screw rolling machine has vices which are clamped in two directions, and in the clamping process, if the existing screw rolling machine is clamped to the transverse rib direction, the reinforcing steel bar is easy to rotate in the screw rolling process; (3) the existing screw rolling machine vice cannot position the center by itself, the reinforcing steel bar needs to be manually adjusted to the center of the vice in the reinforcing steel bar clamping process, the labor is wasted, and the reinforcing steel bar center and the center of the screw rolling machine head can not be ensured to be coaxial when the reinforcing steel bar is clamped by the vice.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough and provide an automatic reinforcing bar roll extrusion straight thread lathe that the clamping force degree is big, reinforcing bar automatic positioning center.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
an automatic reinforcing steel bar rolling straight thread machine tool comprises a frame and a working table plate fixedly arranged at the top of the frame; the working table plate is sequentially provided with the following components from front to back: the device comprises a clamping mechanism for clamping a steel bar to be rolled, a positioning mechanism for aligning the center of the steel bar to be rolled with the center of a thread rolling machine head, and a feeding mechanism for pushing the thread rolling machine head to advance towards the end part of the steel bar and roll threads.
Further, the clamping mechanism comprises a vice support, a vice base plate and a vice body which are fixedly arranged on the working table plate from bottom to top in sequence; the center of the vice body is provided with a steel bar jack, four square holes which are connected with the steel bar jack into a whole are uniformly formed on the periphery of the steel bar jack, each of the four square holes is provided with a jaw, two jaws close to the vice backing plate are respectively and fixedly arranged in the square hole where the jaw is located, and the other two jaws are respectively and slidably arranged in the square hole where the jaw is located; the vice body is fixedly provided with two hydraulic cylinders, and piston rods of the two hydraulic cylinders are respectively connected with two jaws which are arranged in a sliding manner; the two jaws which are arranged in a sliding way move towards the center of the steel bar insertion hole respectively so as to clamp the steel bars placed on the other two jaws which are fixedly arranged.
Further, a lower jaw seat is fixedly arranged on the outer sides of the two square holes where the two jaws close to the vice base plate are located, and the two jaws are fixedly arranged in the lower jaw seat; the other two square holes of the two jaws are respectively provided with an upper jaw seat in a sliding manner, the two jaws are respectively and fixedly arranged in the two upper jaw seats, and each upper jaw seat is respectively and fixedly connected with a piston rod of a hydraulic cylinder.
Furthermore, a steel bar bracket for supporting and guiding the steel bars extending from front to back to the clamping mechanism is arranged on the working table plate and positioned on the front side of the clamping mechanism; the steel bar support comprises a support plate fixedly arranged at the front part of the working table plate, a tubular roller seat vertically and fixedly arranged on the support plate, a sliding block, a pressure spring, a sliding column, a roller support fixedly arranged at the top of the sliding column and a V-shaped roller rotatably arranged on the roller support, wherein the sliding block, the pressure spring and the sliding column are sequentially inserted into the roller seat from bottom to top.
Furthermore, the outer wall of the roller seat is vertically provided with a long-strip-shaped limiting hole, the sliding column is fixedly provided with a limiting column along the radial direction of the sliding column, and the outer end of the limiting column is inserted into the limiting hole in a sliding mode.
Furthermore, a through hole is formed in the supporting plate and is located right below the roller seat, a nut is fixedly arranged below the through hole, and a height adjusting bolt is arranged in the nut and the through hole.
Further, the positioning mechanism comprises two baffle seats fixedly arranged on the workbench plate along a direction perpendicular to the reinforcing steel bars, a pair of vertical plates fixedly arranged at the top of one baffle seat, a baffle plate which is hinged between the pair of vertical plates through a pin shaft and can be turned over towards the other baffle seat and be horizontally kept on the baffle seat, and a push plate which can move towards the horizontal baffle plate along the front direction and the rear direction and lift the baffle plate; the push plate is arranged on one side close to the pin shaft, and the upper part of the front end of the push plate is provided with an inclined surface which is used for being in sliding contact with the bottom surface of the baffle; and a positioning screw is arranged on the front side surface of the baffle plate facing the clamping mechanism, and when the baffle plate is in a horizontal state, the center of the positioning screw and the center of the thread rolling machine head are positioned on the same straight line.
Furthermore, a through groove is formed in the top of the baffle seat provided with the pin shaft and located on the inner side of the pin shaft, an optical axis is arranged in the groove in the left-right direction, a cam is mounted on the optical axis through a bearing, and a push plate insertion hole which is through in the front and back direction and exposes out of the bearing is formed in the middle of the lower half part of the cam; when the push plate moves forwards, the front end of the push plate is inserted into the push plate insertion hole, and the cam is rotated to lift the baffle plate.
Further, the feeding mechanism comprises two bar supports fixedly arranged on the working table plate in the front-back direction, a pair of sliding bars fixedly arranged on the two bar supports, a sliding table arranged on the sliding bars in a sliding manner, a thread rolling motor and a speed reducer fixedly arranged on the sliding table, a thread rolling machine head fixedly arranged on an output shaft of the speed reducer, and a machine head feeding cylinder fixedly arranged at the rear part of the working table plate and used for pushing and pulling the sliding table to move along the sliding bars; the rear portion of push pedal fixedly connected with extension board to the extension board is fixed to be set up on the slip table.
Further, an air source and an oil storage tank for storing hydraulic oil are also arranged on the rack; the tail part of the machine head feeding cylinder is provided with an oil inlet, and the head part of the machine head feeding cylinder is provided with an air inlet; on one hand, the air source is connected with an air inlet of the oil storage tank through an air pipe with an electromagnetic valve, and an oil outlet of the oil storage tank is connected with an oil inlet of the head feeding cylinder through a pipeline, so that the advance of the thread rolling head is realized in a hydraulic mode; and on the other hand, the air source is connected with an air inlet of the handpiece feeding cylinder through an air pipe with an electromagnetic valve, so that the screw rolling handpiece is retreated in an air pressure mode.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
(1) the vice adopts double-cylinder hydraulic cross clamping, the clamping force is large, the clamping is firm, and the rotation of the reinforcing steel bar can be effectively prevented; (2) the jaw of the vice can enable the reinforcing steel bars with different specifications to be coaxial with the thread rolling machine head through adjusting the gasket, so that the stability of thread rolling is ensured; (3) the vice adopts cross clamping, can make the centre of the steel reinforcement and thread rolling aircraft nose coaxial automatically, has improved the quality of the processing thread head; (4) the steel bar support can enable the steel bars to be automatically separated from the jaw of the vice after thread rolling is finished, a pressure spring is arranged in the steel bar support and can jack the steel bars, and a height adjusting screw is arranged below the steel bar support and can adjust the height of the steel bar support; (5) the positioning mechanism of the reinforcing steel bar adopts full mechanical positioning, does not have pneumatic components such as air cylinders and the like, and has simple structure and stable and reliable positioning; (6) the machine head feeding cylinder adopts a mode of combining pneumatic and hydraulic pressure, so that the thread rolling machine head can feed stably.
Drawings
FIG. 1 is a front view of the automatic bar rolling straight thread machine of the present invention;
FIG. 2 is a side view of the automatic bar rolling straight thread machine of the present invention;
fig. 3 is a schematic structural view of the clamping mechanism of the present invention;
fig. 4 is a schematic structural view of the steel bar support of the present invention;
fig. 5 is a cross-sectional view of the reinforcing bar support of the present invention;
fig. 6 is a schematic structural diagram of the positioning mechanism of the present invention;
fig. 7 is a partial cross-sectional view of the positioning mechanism of the present invention;
FIG. 8 is a flow chart of the present invention;
in the figure: 1. the device comprises a thread rolling motor, 2, a machine head feeding cylinder, 3, a sliding table, 4, an oil storage tank, 5, a sliding bar, 6, a vice support, 7, a steel bar support, 7-1, a roller seat, 7-2, a limiting hole, 7-3, a limiting column, 7-4, a sliding column, 7-5, a roller support, 7-6, a V-shaped roller, 7-7, a pressure spring, 7-8, a height adjusting bolt, 7-9, a sliding block, 7-10, a nut, 7-11 and a supporting plate; 8. 8-1 parts of a clamping mechanism, 8-2 parts of a vice base plate, 8-3 parts of a vice body, 8-4 parts of a reinforcing steel bar jack, 8-5 parts of a jaw, 8-6 parts of a hydraulic cylinder, 8-7 parts of a lower jaw seat, 8-8 parts of an upper jaw seat and 8-8 parts of a cylinder mounting plate; 9. 9-1 parts of a positioning mechanism, 9-1 parts of a push plate, 9-2 parts of a baffle seat, 9-3 parts of a support plate, 9-4 parts of a baffle, 9-5 parts of a bearing, 9-6 parts of a cam; 10. the device comprises a thread rolling machine head, 11, a machine frame, 12, a water tank, 13, a control box, 14, a speed reducer, 15 and a working table plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the utility model provides an automatic bar rolling straight thread machine, which comprises a frame 11 and a work table plate 15 fixedly arranged on the top of the frame 11; the working table plate 15 is sequentially provided with the following components from front to back: the steel bar rolling machine comprises a steel bar support 7, a clamping mechanism 8, a positioning mechanism 9 and a feeding mechanism, wherein the steel bar support 7 is used for supporting and guiding a steel bar extending from front to back to the clamping mechanism 8, the clamping mechanism 8 is used for clamping a steel bar to be rolled, the positioning mechanism 9 is used for aligning the center of the steel bar to be rolled with the center of a thread rolling machine head 10, and the feeding mechanism is used for pushing the thread rolling machine head 10 to advance to the end part of the steel bar and roll threads.
As shown in fig. 3, the clamping mechanism 8 comprises a vice support 6, a vice backing plate 8-1 and a vice body 8-2 which are fixedly arranged on the work bench 15 from bottom to top in sequence; a reinforcing steel bar jack 8-3 is arranged at the center of the vice body 8-2, four square holes which are distributed in a cross shape and are connected with the reinforcing steel bar jack 8-3 into a whole are uniformly arranged on the periphery of the reinforcing steel bar jack 8-3, a jaw 8-4 is arranged in each of the four square holes, two jaws 8-4 close to the vice base plate 8-1 are fixedly arranged in the square hole where the jaw is located respectively, and the other two jaws 8-4 are arranged in the square hole where the jaw is located respectively in a sliding manner; the vice body 8-2 is fixedly provided with two hydraulic cylinders 8-5. The hydraulic cylinder 8-5 is firstly fixedly arranged on the cylinder mounting plate 8-8, and then the cylinder mounting plate 8-8 is fixedly arranged on the vice body 8-2. Piston rods of the two hydraulic cylinders 8-5 are respectively connected with the two jaws 8-4 which are arranged in a sliding manner; the two slidably arranged jaws 8-4 are moved towards the centre of the rebar insertion hole 8-3, respectively, so as to clamp the rebar placed on the other two fixedly arranged jaws 8-4.
A lower jaw seat 8-6 is fixedly arranged at the outer sides of two square holes where two jaws 8-4 close to the vice backing plate 8-1 are positioned, and the two jaws 8-4 are fixedly arranged in the lower jaw seat 8-6; the other two square holes where the two jaws 8-4 are located are respectively provided with an upper jaw seat 8-7 in a sliding manner, the two jaws 8-4 are respectively and fixedly arranged in the two upper jaw seats 8-7, and each upper jaw seat 8-7 is respectively and fixedly connected with a piston rod of a hydraulic cylinder 8-5.
The vice adopts double-cylinder hydraulic cross clamping, the clamping force to the reinforcing steel bar is large, the clamping is firm, and the reinforcing steel bar can be effectively prevented from rotating; the vice adopts the cross to press from both sides tightly, can make the reinforcing bar center coaxial with the thread rolling aircraft nose automatically, has improved the quality of processing the thread end. The upper jaw seat 8-7 drives the jaw 8-4 to move in the square hole under the action of the piston of the hydraulic cylinder 8-5, so as to clamp the reinforcing steel bar. The upper jaw seat 8-7 and the lower jaw seat 8-6 are arranged to facilitate the replacement of the jaws when the specification of the steel bar to be rolled is changed, so that the center of the steel bar is kept unchanged and the thread rolling is more stable.
As shown in fig. 4 and 5, the reinforcing steel bar support 7 comprises a support plate 7-11 fixedly arranged at the front part of the working table plate 15, a tubular roller seat 7-1 vertically and fixedly arranged on the support plate 7-11, a slide block 7-9 movably inserted in the roller seat 7-1 from bottom to top, a pressure spring 7-7 and a slide column 7-4, wherein the top end of the slide column 7-4 is positioned outside the roller seat 7-1, the top part of the slide column 7-4 is fixedly provided with a roller support 7-5, and the roller support 7-5 is rotatably provided with a V-shaped roller 7-6. The outer wall of the roller seat 7-1 is vertically provided with a long strip-shaped limiting hole 7-2, the sliding column 7-4 is fixedly provided with a limiting column 7-3 along the radial direction, and the outer end of the limiting column 7-3 is inserted in the limiting hole 7-2 in a sliding manner. A through hole is formed in the supporting plate 7-11 and is positioned right below the roller seat 7-1, a nut 7-10 is fixedly arranged below the through hole, and a height adjusting bolt 7-8 is arranged in the nut 7-10 and the through hole.
When the reinforcing steel bar is fed into the machine tool from front to back, the pressure spring 7-7 plays a role of jacking the reinforcing steel bar, and the reinforcing steel bar is prevented from colliding with two jaws 8-4 fixedly arranged on the lower side of the vice. Then when the vice clamps the reinforcing steel bar, the reinforcing steel bar can descend and contact with the two jaws 8-4 on the lower side, and the pressure spring 7-7 is compressed along with the descending of the reinforcing steel bar; after the thread rolling is finished, the vice is loosened, the pressure spring 7-7 extends upwards, the reinforcing steel bars rise to be separated from the jaw 8-4 on the lower side, and then the reinforcing steel bars are sent out. The height of the V-shaped roller 7-6 can be adjusted by a height adjusting bolt 7-8.
As shown in fig. 6, the positioning mechanism 9 comprises two baffle seats 9-2 fixedly arranged on the worktable plate 15 along the direction vertical to the steel bars, a pair of vertical plates 9-7 fixedly arranged at the top of one baffle seat 9-2, a baffle 9-4 hinged between the pair of vertical plates 9-7 through a pin shaft and capable of turning towards the other baffle seat 9-2 and horizontally keeping on the baffle seat 9-2, and a push plate 9-1 capable of moving towards the baffle 9-4 in the horizontal state along the front and back direction and lifting the baffle, wherein a stop pin for supporting the free end of the horizontal baffle 9-4 is fixedly arranged on the side surface of the other baffle seat 9-2; the push plate 9-1 is arranged at one side close to the pin shaft, the upper part of the front end of the push plate 9-1 is provided with an inclined surface which is used for being in sliding contact with the bottom surface of the baffle plate 9-4, the lowest part of the front end of the inclined surface is slightly lower than the bottom surface of the baffle plate 9-4 in a horizontal state, and when the push plate 9-1 moves forwards, the inclined surface is utilized to lift the free end of the baffle plate 9-4, so that the thread rolling machine head 10 can roll threads on the reinforcing steel bars; the front side surface of the baffle plate 9-4 facing the clamping mechanism 8 is provided with a positioning screw, and when the baffle plate 9-4 is in a horizontal state, the center of the positioning screw and the center of the thread rolling machine head 10 are positioned on the same straight line.
The positioning mechanism 9 functions as: on the one hand, the steel bar is prevented from colliding with the thread rolling machine head when the steel bar is conveyed from the feeding mechanism of the material arranging line, on the other hand, the function of positioning the end position of the steel bar is achieved, the end of the conveying steel bar is pushed to the positioning mechanism 9 to stop, and when the thread rolling machine head advances to roll threads, the thread rolling is started from the position, so that the thread rolling length is convenient to be accurate. The positioning mechanism 9 adopts full mechanical positioning, has no pneumatic components such as air cylinders, has simple structure and stable and reliable positioning, avoids errors caused by electric reasons and the like, and has lower cost.
As shown in fig. 7, further, a through groove is formed in the top of the baffle seat 9-2 provided with the pin shaft and located on the inner side of the pin shaft, an optical axis is arranged in the groove along the left-right direction, a cam 9-6 is mounted on the optical axis through a bearing 9-5, and a push plate insertion hole 9-8 which is through in the front and back direction and exposes out of the bearing 9-5 is formed in the middle of the lower half part of the cam 9-6; when the push plate 9-1 moves forwards, the front end of the push plate is inserted into the push plate insertion hole 9-8, and the cam 9-6 is rotated so as to lift the baffle plate 9-4. The positioning mechanism 9 can effectively prevent the baffle 9-4 from being worn by additionally arranging the bearing 9-5 and the cam 9-6.
As shown in fig. 2, the feeding mechanism includes two bar supports fixedly arranged on the work table plate 15 in the front-back direction, a pair of slide bars 5 fixedly arranged on the two bar supports, a slide table 3 slidably arranged on the slide bars 5, a thread rolling motor 1 and a speed reducer 14 fixedly arranged on the slide table 3, a thread rolling machine head 10 fixedly arranged on an output shaft of the speed reducer 14, and a machine head feeding cylinder 2 fixedly arranged at the rear part of the work table plate 15 and used for pushing and pulling the slide table 3 to move along the slide bars 5; the rear part of the push plate 9-1 is fixedly connected with a support plate 9-3, and the support plate 9-3 is fixedly arranged on the sliding table 3.
The push plate 9-1 can move back and forth under the drive of the sliding table 3. When the thread rolling is started, the thread rolling machine head 10 is driven by the sliding table 3 to move forward, and meanwhile, the push plate 9-1 moves forward so as to lift the baffle plate 9-4; after the thread rolling is finished, the thread rolling machine head 10 retreats, the push plate 9-1 also moves backwards, and the baffle plate 9-4 descends to return to the original position. The baffle 9-4 is in a horizontal state in situ to position the reinforcing steel bars.
The frame 11 is also provided with an air source and an oil storage tank 4 for storing hydraulic oil; the tail part of the machine head feeding cylinder 2 is provided with an oil inlet, and the head part of the machine head feeding cylinder is provided with an air inlet; on one hand, an air source is connected with an air inlet of the oil storage tank 4 through an air pipe with an electromagnetic valve, an oil outlet of the oil storage tank 4 is connected with an oil inlet of the head feeding cylinder 2 through a pipeline, and the advance of the thread rolling head 10 is realized in a hydraulic mode; and on the other hand, the air source is connected with the air inlet of the handpiece feeding cylinder 2 through an air pipe with an electromagnetic valve, and the screw rolling handpiece 10 is retreated in an air pressure mode. An air pipe connected with an air inlet of the handpiece feeding cylinder 2 is provided with an air source processor for oil-gas separation, and an oil outlet of the air source processor is connected with the oil storage tank 4 through an oil guide pipe.
The head feeding cylinder 2 is used for realizing the feeding of the thread rolling head 10, the feeding requirement of the thread rolling head 10 is relatively stable, and in actual work, the phenomenon of pause often occurs when the feeding is realized by a common cylinder adopting a pure pneumatic mode. For effectively solving this problem, the utility model discloses a mode that aircraft nose feeding cylinder 2 adopted pneumatics and hydraulic pressure to combine together can make the feeding of thread rolling aircraft nose 10 more steady, has avoided the appearance of card pause phenomenon. As shown in fig. 8, when the thread rolling machine head 10 needs to advance, gas in a gas source flows into the oil storage tank 4 from an upper gas inlet of the oil storage tank 4 through the electromagnetic valve, so that the pressure inside the oil storage tank 4 is increased due to the gas entering, hydraulic oil in the oil storage tank 4 is discharged from the lower surface of the oil storage tank 4, and then flows into the tail part of the machine head feeding cylinder 2 through a pipeline, so that a cylinder rod is ejected out, and the advance of the thread rolling machine head 10 is realized; when the thread rolling machine head 10 needs to retreat, gas in the gas source flows into the head of the machine head feeding cylinder 2 through the electromagnetic valve, so that the cylinder rod retracts, hydraulic oil in the machine head feeding cylinder 2 flows back into the oil storage tank 4, and the retreat of the thread rolling machine head 10 is realized.
The frame 11 is further provided with a water tank 12 and a cooling pump connected with the water tank 12. The work table plate 15 is also provided with a control box 13 for controlling the operation of all executive components such as the thread rolling machine head 10, the hydraulic cylinders 8-5 of the clamping mechanism 8, the machine head feeding cylinder 2 of the feeding mechanism, the thread rolling motor 1 and the like, and the control box 13 is provided with: the device comprises a machine head positive screw/negative screw switch for controlling the positive and negative rotation of a screw rolling motor 1, a machine head advancing/retreating switch for controlling a machine head feeding cylinder 2 to enable a screw rolling machine head 10 to advance and retreat, a vice clamping/opening switch for controlling the clamping and loosening of a vice, a hydraulic station/water pump switch, an automatic switch, a standby switch and an emergency stop switch.
The utility model discloses a use is:
(1) connecting with an air source, wherein the normal air pressure is 0.6-0.8 MPa.
(2) It is checked whether the turning buttons on the control box 13 are all in the intermediate position. And (4) closing a power supply main switch (comprising a hydraulic station power supply) of the distribution box, and closing the emergency stop switch. Checking whether each button is normal; rotating a head positive/negative switch to see whether the rotating direction of the thread rolling head 10 is consistent with the switch direction (positive right rotation, negative left rotation); rotating a head forward/backward switch, and checking whether the speed reducer feeds at a constant speed and the feeding direction is consistent with the switch direction; rotating the vice clamping/opening switch to check whether the clamping and opening directions of the vice are consistent with the switch direction; the thread rolling motor 1 and the cooling pump are enabled to be in a working state for operation; checking the rotation direction of the cooling pump, wherein the cooling liquid is sufficiently supplied and the backwater is smooth; check if the emergency stop button can be used normally.
(3) Trial run: placing the reinforcing steel bars on the vice, wherein the end parts of the reinforcing steel bars prop against the positioning screws on the baffle plates 9-4; pressing the "hydraulic station/water pump" button starts the operation of the hydraulic station and water pump.
(4) When the button 'automatic' is pressed, the thread rolling machine head 10 starts to rotate and advance; the shutter 9-4 is raised.
(5) The screw rolling head 10 continues to advance to perform the screw rolling.
(6) After the thread rolling is finished, the thread rolling machine head 10 rotates reversely and retreats.
(7) And (4) the screw rolling machine head 10 retreats to the proper position, the screw rolling machine head 10 stops rotating, the reinforcing steel bar is taken out, and the screw rolling is finished.
Claims (10)
1. An automatic reinforcing steel bar rolling straight thread machine tool comprises a rack (11), a working table plate (15) fixedly arranged at the top of the rack (11) and a thread rolling machine head (10) arranged above the working table plate (15) in the front-back direction; the method is characterized in that: the working table plate (15) is sequentially provided with the following components from front to back: the device comprises a clamping mechanism (8) for clamping the steel bar to be rolled, a positioning mechanism (9) for aligning the center of the steel bar with the center of a thread rolling machine head (10), and a feeding mechanism for pushing the thread rolling machine head (10) to advance towards the end part of the steel bar and roll threads.
2. The automatic steel bar rolling straight thread machine tool according to claim 1, characterized in that: the clamping mechanism (8) comprises a vice support (6), a vice base plate (8-1) and a vice body (8-2) which are fixedly arranged on the working table plate (15) from bottom to top in sequence; the center of the vice body (8-2) is provided with a steel bar jack (8-3), four square holes connected with the steel bar jack (8-3) into a whole are uniformly formed in the periphery of the steel bar jack, one jaw (8-4) is arranged in each of the four square holes, two jaws (8-4) close to the vice base plate (8-1) are fixedly arranged in the square holes where the two jaws are located respectively, and the other two jaws (8-4) are arranged in the square holes where the two jaws are located in a sliding manner respectively; the vice body (8-2) is fixedly provided with two hydraulic cylinders (8-5), and piston rods of the two hydraulic cylinders (8-5) are respectively connected with two jaws (8-4) which are arranged in a sliding manner; the two jaws (8-4) which are arranged in a sliding way move towards the center of the steel bar insertion hole (8-3) respectively so as to clamp the steel bars placed on the other two jaws (8-4) which are fixedly arranged.
3. The automatic steel bar rolling straight thread machine tool according to claim 2, characterized in that: a lower jaw seat (8-6) is fixedly arranged at the outer sides of two square holes where two jaws (8-4) close to the vice base plate (8-1) are located, and the two jaws (8-4) are fixedly arranged in the lower jaw seat (8-6); an upper jaw seat (8-7) is respectively arranged in two square holes where the other two jaws (8-4) are positioned in a sliding manner, the two jaws (8-4) are respectively and fixedly arranged in the two upper jaw seats (8-7), and each upper jaw seat (8-7) is respectively and fixedly connected with a piston rod of a hydraulic cylinder (8-5).
4. The automatic steel bar rolling straight thread machine tool according to claim 1, characterized in that: a steel bar bracket (7) used for supporting and guiding the steel bars extending from front to back to the clamping mechanism (8) is arranged on the working table plate (15) and positioned on the front side of the clamping mechanism (8); the steel bar support (7) comprises a support plate (7-11) fixedly arranged at the front part of the working table plate (15), a tubular roller seat (7-1) vertically and fixedly arranged on the support plate (7-11), a slide block (7-9), a pressure spring (7-7), a sliding column (7-4), a roller support (7-5) fixedly arranged at the top of the sliding column (7-4) and a V-shaped roller (7-6) rotatably arranged on the roller support (7-5), wherein the slide block (7-9) is sequentially inserted into the roller seat (7-1) from bottom to top.
5. The automatic steel bar rolling straight thread machine tool according to claim 4, characterized in that: the outer wall of the roller seat (7-1) is vertically provided with a long-strip-shaped limiting hole (7-2), the sliding column (7-4) is fixedly provided with a limiting column (7-3) along the radial direction, and the outer end of the limiting column (7-3) is inserted into the limiting hole (7-2) in a sliding mode.
6. The automatic steel bar rolling straight thread machine tool according to claim 4, characterized in that: through holes are formed in the supporting plates (7-11) and located right below the roller seats (7-1), nuts (7-10) are fixedly arranged below the through holes, and height adjusting bolts (7-8) are arranged in the nuts (7-10) and the through holes.
7. The automatic steel bar rolling straight thread machine tool according to claim 1, characterized in that: the positioning mechanism (9) comprises two baffle seats (9-2) fixedly arranged on the workbench plate (15) along the direction vertical to the reinforcing steel bars, a pair of vertical plates (9-7) fixedly arranged at the top of one baffle seat (9-2), a baffle (9-4) hinged between the pair of vertical plates (9-7) through a pin shaft and capable of being overturned towards the other baffle seat (9-2) and horizontally kept on the baffle seat (9-2), and a push plate (9-1) capable of moving towards the horizontal baffle (9-4) along the front and back direction and lifting the baffle; the push plate (9-1) is arranged on one side close to the pin shaft, and the upper part of the front end of the push plate is provided with an inclined surface which is used for being in sliding contact with the bottom surface of the baffle plate (9-4); and a positioning screw is arranged on the front side surface of the baffle plate (9-4) facing the clamping mechanism (8), and when the baffle plate (9-4) is in a horizontal state, the center of the positioning screw and the center of the thread rolling machine head (10) are positioned on the same straight line.
8. The automatic bar rolling straight thread machine of claim 7, wherein: the top of a baffle seat (9-2) provided with a pin shaft and positioned on the inner side of the pin shaft are provided with a through groove in the front and back direction, an optical axis is arranged in the groove along the left and right direction, a cam (9-6) is arranged on the optical axis through a bearing (9-5), and a push plate jack (9-8) which is through in the front and back direction and exposes out of the bearing (9-5) is arranged in the middle of the lower half part of the cam (9-6); when the push plate (9-1) moves forwards, the front end of the push plate is inserted into the push plate insertion hole (9-8), and the cam (9-6) is rotated so as to lift the baffle plate (9-4).
9. The automatic bar-rolling straight-thread machine tool according to claim 7 or 8, characterized in that: the feeding mechanism comprises two bar supports fixedly arranged on the working table plate (15) in the front-back direction, a pair of sliding bars (5) fixedly arranged on the two bar supports, a sliding table (3) slidably arranged on the sliding bars (5), a thread rolling motor (1) and a speed reducer (14) fixedly arranged on the sliding table (3), a thread rolling machine head (10) fixedly arranged on an output shaft of the speed reducer (14), and a machine head feeding cylinder (2) fixedly arranged at the rear part of the working table plate (15) and used for pushing and pulling the sliding table (3) to move along the sliding bars (5); the rear part of the push plate (9-1) is fixedly connected with a support plate (9-3), and the support plate (9-3) is fixedly arranged on the sliding table (3).
10. The automatic steel bar rolling straight thread machine tool according to claim 9, wherein: the rack (11) is also provided with an air source and an oil storage tank (4) for storing hydraulic oil; the tail part of the machine head feeding cylinder (2) is provided with an oil inlet, and the head part of the machine head feeding cylinder is provided with an air inlet; on one hand, the air source is connected with an air inlet of the oil storage tank (4) through an air pipe with an electromagnetic valve, an oil outlet of the oil storage tank (4) is connected with an oil inlet of the head feeding cylinder (2) through a pipeline, and the advance of the thread rolling head (10) is realized in a hydraulic mode; and on the other hand, the air source is connected with an air inlet of the head feeding cylinder (2) through an air pipe with an electromagnetic valve, so that the screw rolling head (10) retreats in an air pressure mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121063488.4U CN214866950U (en) | 2021-05-18 | 2021-05-18 | Automatic reinforcing steel bar rolling straight thread machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121063488.4U CN214866950U (en) | 2021-05-18 | 2021-05-18 | Automatic reinforcing steel bar rolling straight thread machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214866950U true CN214866950U (en) | 2021-11-26 |
Family
ID=78891442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121063488.4U Withdrawn - After Issue CN214866950U (en) | 2021-05-18 | 2021-05-18 | Automatic reinforcing steel bar rolling straight thread machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214866950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113102665A (en) * | 2021-05-18 | 2021-07-13 | 河北易达钢筋连接技术有限公司 | Automatic reinforcing steel bar rolling straight thread machine tool |
-
2021
- 2021-05-18 CN CN202121063488.4U patent/CN214866950U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113102665A (en) * | 2021-05-18 | 2021-07-13 | 河北易达钢筋连接技术有限公司 | Automatic reinforcing steel bar rolling straight thread machine tool |
| CN113102665B (en) * | 2021-05-18 | 2024-06-18 | 河北易达核联机械制造股份有限公司 | Automatic bar rolling straight thread machine tool |
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Granted publication date: 20211126 Effective date of abandoning: 20240618 |