CN105057509A - Rebar head portion upsetting machine and use method thereof - Google Patents
Rebar head portion upsetting machine and use method thereof Download PDFInfo
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- CN105057509A CN105057509A CN201510543077.8A CN201510543077A CN105057509A CN 105057509 A CN105057509 A CN 105057509A CN 201510543077 A CN201510543077 A CN 201510543077A CN 105057509 A CN105057509 A CN 105057509A
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Abstract
The invention discloses a rebar head portion upsetting machine and a use method thereof and belongs to the field of cold headers. An upsetting die and an upsetting device are installed on a machine frame. The rebar head portion upsetting machine comprises guide rods; the guide rods penetrate through the upsetting die and the upsetting device sequentially be arranged on the machine frame from left to right; the upsetting die comprises a clamping die and a die cavity; the die cavity is located in the clamping die; the upsetting device comprises an upset head cap and an upsetting head; the upsetting head is arranged at the left end of the upset head cap; the right end of the upset head cap is arranged on a hydraulic control system. The upsetting machine further comprises a front movable board and a rear movable board, wherein the front movable board is arranged on the right side of the upsetting die; the upsetting head on the upsetting device sequentially penetrates through the rear movable board and the front movable board; the left end of the rear movable board is arranged on the upset head cap; the guide rods penetrate through the front movable board and the rear movable board and the front movable board and the rear movable board are connected through a lead screw; the guide rods are cylindrical; the rear movable board can move on the guide rods left and right. The rebar head portion upsetting machine is large in upsetting force, high in upsetting quality and stable in complete-machine performance.
Description
Technical field
The present invention relates to cold upsetting machine field, particularly relate to a kind of reinforcing bar head upsetter and using method thereof.
Background technology
Steel bar thick machine is when straight thread MACHINERY JOINT taked by building iron, be not less than parent material of reinforcement rebar fundamental section for keeping screw thread effective end footpath sectional area to amass, thus to reinforcing bar head, before screw cutting, carrying out the cold upsetting of steel bar end portion, diameter increases the special mechanical equipment of processing.Steel bar thick machine is by building bar two ends jumping-up then machining screw, and connect with screw shell during use, can increase the intensity of connecting portion like this, this is the application convention of heavy construction reinforcing bar in the world.Conventional By Means of Upsetting adopts super-pressure pump fuel feeding, and high-voltage oil cylinder drives jumping-up head; The pressure of super-pressure generally reaches 30-40Mpa; Because construction site condition limit, the power of motor of super-pressure pump can not be too large, and routine is 5.5kW.Power is crossed senior general and is caused system to generate heat strongly, if configure cooling system again, will more be subject to the restriction of field condition.In the case, the high-pressure oil pump flow that 5.5kw motor is joined will be restricted, and flow will cause operating efficiency low, increase cost.During conventional upsetter operation, an equipment per tour generally can process 100 reinforcing bars, and wanting quickening progress can only realize by increasing number of devices, at substantial manpower and materials.
Chinese utility model patent, Authorization Notice No.: CN204220869U, authorized announcement date: 2015.03.25, disclose a kind of reinforcing bar head upsetter, relate to steel bar processing machinery technical field, comprise frame, in frame, fixture is installed, heading die and upsetting apparatus, fixture is the parts accommodating reinforcing bar, heading die has the groove forming jumping-up, heading die also has places the position of reinforcing bar and the entrance of jumping-up head, upsetting apparatus has the jumping-up head that oil cylinder connects, oil cylinder connection control device, jumping-up face before described jumping-up head, described side, jumping-up face has the structure of protrusion, described jumping-up head is connected on oil cylinder through whirligig, whirligig connecting power device, power set are connected to control device, or, described fixture is arranged in frame through whirligig, whirligig connecting power device, power set are connected to control device, there is less oil cylinder, oil pump just can process the reinforcing bar of big cross section, the advantage that cost is low.Its weak point is, cannot ensure the accurate location of upsetting apparatus in upsetting process, can there is the phenomenon that reinforcing bar slides in fixture in upsetting process.
Summary of the invention
1. invent the technical problem that will solve
Upsetter location for prior art is not accurate, and the problem of slip of bar during jumping-up, the invention provides a kind of reinforcing bar head upsetter and using method thereof.It achieve upsetter positioning and guiding accurate, reinforcing bar firm grip during jumping-up.
2. technical scheme
For solving the problem, technical scheme provided by the invention is:
A kind of reinforcing bar head upsetter, frame is provided with heading die and upsetting apparatus, also comprise guide rod, from left to right heading die and upsetting apparatus are arranged in frame through guide rod successively, heading die comprises clamping die and die cavity, and die cavity is positioned at clamping die, and upsetting apparatus comprises heading and cap and jumping-up head, jumping-up head is arranged on heading and on the left end of cap, and heading the right-hand member of cap are arranged in hydraulic control system.
Preferably, described upsetter also comprises portable plate, and portable plate comprises front portable plate and rear portable plate, and front portable plate is arranged on the right side of heading die, jumping-up head on upsetting apparatus is successively through rear portable plate and front portable plate, and the left end of rear portable plate is arranged on heading and on cap.
Preferably, described front portable plate and rear portable plate, all through guide rod, are connected by screw mandrel between front portable plate and rear portable plate, and guide rod is cylindrical, and rear portable plate can move left and right on guide rod.
Preferably, described guide rod totally four, parallel to each other, the center of guide rod lays respectively on the intersection point on rectangular four limits.
Preferably, described hydraulic control system comprises hydraulic cylinder, high-pressure oil pump, reversal valve, safety adjustable-pressure, oil filter and fuel tank, hydraulic cylinder is connected with reversal valve, reversal valve is connected with safety adjustable-pressure, safety adjustable-pressure is connected with high-pressure oil pump, high-pressure oil pump is driven by motor, and high-pressure oil pump is connected with oil filter, and oil filter is connected with fuel tank.
Preferably, described hydraulic cylinder comprises piston boit and oil cylinder, and the left end of piston boit is provided with heading and cap, and the right-hand member of piston boit is arranged on oil cylinder.
Preferably, safety adjustable-pressure is provided with Pressure gauge.
Preferably, the centre of two pieces of clamping dies is provided with die cavity, according to the reinforcing bar of different size, uses the clamping die of different size.
Preferably, die cavity comprises reinforcing bar mould and heading die, and the inner surface of reinforcing bar mould is provided with screw thread, and the diameter of heading die is greater than the diameter of reinforcing bar mould.
A using method for reinforcing bar head upsetter, the steps include:
The specification of the reinforcing bar of A, as required jumping-up selects the clamping die of dimension and the jumping-up head of dimension;
B, reversing valve operatedly to be moved to right by oil cylinder, after piston boit drives, portable plate moves right, and before rear portable plate is driven by screw mandrel, portable plate moves right, until the right-hand member of clamping die is separated with front portable plate;
C, the clamping die of dimension is arranged in frame, during installation, ensures that two clamping dies are relatively expedite movable, when needing to change clamping die, iron filings in chassis runners and rubbish be cleared up and timing charging-up lubricant oil;
D, use instrument unload heading and cap, guarantee the horizontal level of jumping-up head during installation, by jumping-up head by heading and cap is fixed on the left end of piston boit;
E, install clamping die and jumping-up head after, reversing valve operatedly moved to left by oil cylinder, after the heading of piston rod left end cap promote, portable plate moves to left, and before rear portable plate is driven by screw mandrel, portable plate is moved to the left, until the right-hand member of clamping die contacts with front portable plate;
F, by straight flat for the processing of the end face of reinforcing bar to be upsetting, and be inserted in the die cavity of clamping die, touch the left side of jumping-up head;
G, reversing valve operated oil cylinder to be moved to left, piston rod left end by heading and cap promote after portable plate move to left, rear portable plate moves to left promotion screw mandrel, before screw mandrel promotes, portable plate moves to left, simultaneously piston rod left end is by heading and cap promotes jumping-up head extruding reinforcing bar end face, and pressure index corresponding during steel bar thick according to dimension, observes Pressure gauge, once reach corresponding pressure index, namely handle reversal valve in the other direction and retreat to till clamping die is separated with reinforcing bar;
H, in the die cavity of two clamping dies, take out the reinforcing bar that jumping-up crosses.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with prior art, there is following beneficial effect:
(1) the present invention is when upsetting apparatus extrudes the reinforcing bar in heading die, guide rod plays the effect of positioning and guiding, heading die of the prior art does not have the positioning and guiding of guide rod, after longtime running, heading die and upsetting apparatus produce dislocation, the present invention utilizes the positioning and guiding effect of guide rod, ensure that the reinforcing bar end face in heading die and the jumping-up head on upsetting apparatus can not produce dislocation, the stability that raising jumping-up primary drying hits and accuracy, thus improving the service life of jumping-up head and the jumping-up quality of reinforcing bar end face, overall performance is stablized;
(2) the front portable plate of the present invention and rear portable plate are all through guide rod, connected by screw mandrel between front portable plate and rear portable plate, guide rod is cylindrical, front portable plate and rear portable plate can move left and right on guide rod, the part that front portable plate, rear portable plate contact with guide rod is provided with sliding positioning sleeve, is quality of rubber materials, improves the stationarity of front portable plate and rear portable plate movement, reduce the direct wearing and tearing to guide pillar, improve the service life of jumping-up quality and part;
(3) die cavity of the present invention comprises reinforcing bar mould and heading die, the inner surface of reinforcing bar mould is provided with screw thread, in die cavity, the helicitic texture on reinforcing bar mould surface contributes to clamping reinforcing bar, be convenient to jumping-up head exert a force to reinforcing bar end face, reinforcing bar can not produce slip in die cavity, the diameter of heading die is greater than the diameter of reinforcing bar mould, improve the fastness of reinforcing bar location, after upsetting apparatus carries out jumping-up, heading die is for holding the jumping-up position of reinforcing bar, for jumping-up position provides space, the end face being convenient to reinforcing bar forms jumping-up;
(4) hydraulic control system of the present invention is arranged in frame, die cavity is provided with in clamping die, the structure that this centering is surely overlapped, ensure that the heading die of screwing steel bars jumping-up and the axiality between upsetting apparatus and frame, further increases the service life of dieparts and hydraulic system;
(5) the piston boit stroke on oil cylinder of the present invention is long, be conducive to operating personnel and change the mould of all size and the care and maintenance of post facility, cylinder diameter is large, upset force is strong, when working, high-pressure oil pump load is little simultaneously, thus has greatly carried serviceability and the service life of high-pressure oil pump and hydraulic system;
(6) power of motor 4kW of the present invention, compared with the power of motor of the super-pressure pump of routine, does not need additional configuration cooling system, and the flow of high-pressure oil pump is 5.6L/min, improves operating efficiency, reduces cost;
(7) during conventional upsetter operation, an equipment per tour generally can process 100 reinforcing bars, want quickening progress to realize by increasing number of devices, at substantial manpower and materials, reinforcing bar of the present invention can process 300 reinforcing bars, improve operating efficiency, save manpower and materials;
(8) the present invention performs " three optimize " standard, adopts high-quality raw material and the research and development of advanced processing technology to form, overall performance is stable, flexible operation, esy to use, safe and reliable.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is hydraulic schematic of the present invention.
Label declaration in schematic diagram:
1, die cavity; 2, clamping die; 3, front portable plate; 4, rear portable plate; 5, heading cap; 6, jumping-up head; 7, guide rod; 11, motor; 12, fuel tank; 13, oil filter; 14, high-pressure oil pump; 15, safety adjustable-pressure; 16, Pressure gauge; 17, reversal valve; 18, oil cylinder.
Detailed description of the invention
For understanding content of the present invention further, by reference to the accompanying drawings and embodiment the present invention is described in detail.
Embodiment 1
A kind of reinforcing bar head upsetter, frame is provided with heading die, upsetting apparatus, guide rod 7, and from left to right heading die and upsetting apparatus are arranged in frame through guide rod 7 successively, and frame is used for fixing heading die and upsetting apparatus.When upsetting apparatus extrudes the reinforcing bar in heading die, guide rod 7 plays the effect of positioning and guiding, heading die of the prior art does not have the positioning and guiding of guide rod 7, after longtime running, heading die and upsetting apparatus produce dislocation, the present invention utilizes the positioning and guiding effect of guide rod 7, ensure that the reinforcing bar end face in heading die and the jumping-up head 6 on upsetting apparatus can not produce dislocation, improve stability and the accuracy of the impact of jumping-up head 6, thus improving the service life of jumping-up head 6 and the jumping-up quality of reinforcing bar end face, overall performance is stablized.
Upsetter of the present invention also comprises portable plate, portable plate comprises front portable plate 3 and rear portable plate 4, front portable plate 3 is arranged on the right side of heading die, and the jumping-up head 6 on upsetting apparatus is successively through rear portable plate 4 and front portable plate 3, and the left end of rear portable plate 4 is arranged on heading and on cap 5.Front portable plate 3 and rear portable plate 4 are all through guide rod 7, connected by screw mandrel between front portable plate 3 and rear portable plate 4, guide rod 7 is cylindrical, front portable plate 3 and rear portable plate 4 can move left and right on guide rod 7, the part that front portable plate 3, rear portable plate 4 contact with guide rod 7 is provided with sliding positioning sleeve, is quality of rubber materials, improves the stationarity of front portable plate 3 and rear portable plate 4 movement, reduce the direct wearing and tearing to guide pillar 7, improve the service life of jumping-up quality and part.
Guide rod 7 totally four, parallel to each other, the center of every root guide rod 7 lays respectively on the intersection point on rectangular four limits.The profile of heading die, upsetting apparatus and portable plate is square, and four guide rods 7 are each passed through the position at their four drift angle places, play the effect of positioning and guiding.
Heading die comprises clamping die 2 and die cavity 1, die cavity 1 is positioned at clamping die 2, the centre of two pieces of clamping dies 2 is provided with die cavity 1, according to the reinforcing bar of different size, use the clamping die 2 of different size, die cavity 1 comprises reinforcing bar mould and heading die, the inner surface of reinforcing bar mould is provided with screw thread, in die cavity 1, the helicitic texture on reinforcing bar mould surface contributes to clamping reinforcing bar, be convenient to jumping-up head 6 exert a force to reinforcing bar end face, reinforcing bar can not produce slip in die cavity 1, the diameter of heading die is greater than the diameter of reinforcing bar mould, improve the fastness of reinforcing bar location, after upsetting apparatus carries out jumping-up, heading die is for holding the jumping-up position of reinforcing bar, for jumping-up position provides space, the end face being convenient to reinforcing bar forms jumping-up.Upsetting apparatus comprises heading and cap 5 and jumping-up head 6, and jumping-up head 6 is arranged on heading and on the left end of cap 5, and heading the right-hand member of cap 5 are arranged in hydraulic control system.Hydraulic control system is arranged in frame, die cavity 1 is provided with in clamping die 2, the structure that this centering is surely overlapped, ensure that the heading die of screwing steel bars jumping-up and the axiality between upsetting apparatus and frame, further increases the service life of dieparts and hydraulic system.
Hydraulic control system comprises hydraulic cylinder, high-pressure oil pump 14, reversal valve 17, safety adjustable-pressure 15, oil filter 13 and fuel tank 12, hydraulic cylinder is connected with reversal valve 17, reversal valve 17 is connected with safety adjustable-pressure 15, safety adjustable-pressure 15 is provided with Pressure gauge 16, safety adjustable-pressure 15 is connected with high-pressure oil pump 14, high-pressure oil pump 14 is driven by motor 11, and high-pressure oil pump 14 is connected with oil filter 13, and oil filter 13 is connected with fuel tank 12.Hydraulic cylinder comprises piston boit and oil cylinder 18, and the left end of piston boit is provided with heading and cap 5, and the right-hand member of piston boit is arranged on oil cylinder 18.Piston boit stroke on oil cylinder 18 is long, is conducive to operating personnel and changes the mould of all size and the care and maintenance of post facility.Oil cylinder 18 diameter is large, upset force strong, and when working, high-pressure oil pump 14 load is little simultaneously, thus has greatly carried serviceability and the service life of high-pressure oil pump 14 and hydraulic system.
According to above-described annexation, the using method step of steel bar thick machine is:
The specification of the reinforcing bar of A, as required jumping-up selects the clamping die 2 of dimension and the jumping-up head 6 of dimension; The clamping die 2 that the reinforcing bar of different size uses is also different with the specification of jumping-up head 6, the present invention be applicable to nominal ￠ 16 ~ ￠ 40 HRB335 HRB400 level Ribbed Bar and round steel;
Oil cylinder 18 moves to right by B, reversing valve operated 17, and after piston boit drives, portable plate 4 moves right, and before rear portable plate 4 is driven by screw mandrel, portable plate 3 moves right, until the right-hand member of clamping die 2 is separated with front portable plate 3;
C, the clamping die 2 of dimension is arranged in frame, during installation, ensures that two clamping dies 2 are relatively expedite movable, when needing to change clamping die 2, iron filings in chassis runners and rubbish be cleared up and timing charging-up lubricant oil;
D, use instrument unload heading and cap 5, guarantee the horizontal level of jumping-up head 6 during installation, by jumping-up head 6 by heading and cap 5 is fixed on the left end of piston boit;
E, install clamping die 2 and jumping-up head 6 after, oil cylinder 18 moves to left by reversing valve operated 17, the heading of piston rod left end cap 5 promotes rear portable plate 4 moves to left, before rear portable plate 4 is driven by screw mandrel, portable plate 3 is moved to the left, until the right-hand member of clamping die 2 contacts with front portable plate 3;
F, by straight flat for the processing of the end face of reinforcing bar to be upsetting, and to be inserted in the die cavity 1 of clamping die 2, to touch the left side of jumping-up head 6;
Oil cylinder 18 moves to left by G, reversing valve operated 17, piston rod left end is by heading and cap 5 promotes rear portable plate 4 moves to left, rear portable plate 4 moves to left promotion screw mandrel, before screw mandrel promotes, portable plate 3 moves to left, simultaneously piston rod left end is by heading and cap 5 promotes jumping-up head 6 extrudes reinforcing bar end face, and pressure index corresponding during steel bar thick according to dimension, observes Pressure gauge 16, once reach corresponding pressure index, namely handle reversal valve 17 in the other direction and retreat to till clamping die 2 is separated with reinforcing bar;
H, the reinforcing bar crossed from taking-up jumping-up in the die cavity 1 of two clamping dies 2.
Embodiment 2
The structure of the present embodiment and using method are with embodiment 1, wherein, the impulse stroke of piston boit is 60mm, and range is 152mm, specified upset force is 1880kN, maximum upset force is 2820kN, power of motor 4kW, compared with the power of motor of the super-pressure pump of routine, do not need additional configuration cooling system, the flow of high-pressure oil pump 14 is 5.6L/min, improves operating efficiency, reduces cost.During conventional upsetter operation, an equipment per tour generally can process 100 reinforcing bars, want quickening progress to realize by increasing number of devices, at substantial manpower and materials, reinforcing bar of the present invention can process 300 reinforcing bars, improve operating efficiency, save manpower and materials.Its operating procedure is:
Whether 1, answer checkout facility each connector fastening position solid and reliable before start, whether oil pipe, Pressure gauge 16, reversal valve 17 stand intact, and whether motive position has barrier, four guide pillars 7 will regularly be annotated appropriate lubricating oil, guarantee the normal operation of machine.
2, whether normally oil mass pasta is observed from the casing transparent window of high-pressure oil pump 14.
3, the sky machine that switches on power is tried out, reversing valve operated 17, fuel feeding pressurization is carried out to upsetter oil cylinder 18, thus drive fore-aft travel plate to come and go operation 3-4 time, winter, high-pressure oil pump 14 needed maintenance more than 3 minutes idle running, get rid of the air in oil pipe and oil cylinder 18, whether that listens has abnormal sound, whether normally observes the fluctuation of Pressure gauge 16 pointer.
4, the Methods and steps of clamping die 2 and jumping-up head 6 is installed
A, clamping die 2 are changed, reversing valve operated 17 move after oil cylinder 18, until clamping die 2 exits die cavity 1 completely, then the two pieces of clamping dies 2 in left and right are taken off from both sides, change the clamping die 2 of corresponding specification, during installation, clamping die 2 is moved left and right, see if there is obstruction, keep certain free gap to be advisable, the iron filings in chassis runners and rubbish also timing charging-up lubricant oil between the stage of replacement, will be cleared up.
B, jumping-up head 6 are changed, oil cylinder 18 moves forward, the heading of piston boit front end is unloaded and cap 5 with wearing knuckle buster at random, oil cylinder 18 is convenient to take off the jumping-up head 6 that jumping-up head 6 changes the dimension that will change back to certain position, after will guaranteeing jumping-up head 6 horizontal level during installation, fix heading and cap 5.
After heading die is changed, front portable plate 3 and rear portable plate 4 want diagonal angle keeping parallelism, and intermediate distance should remain on the scope of 110-115mm, thus do not affect the dimensional standard at jumping-up position.
5, clamping workpiece
Reinforcing bar end face horse-shoe shaped portion abrasive wheel cutting machine to be processed is cut flat, ensure that the end face of reinforcing bar to be processed is directly put down, reinforcing bar is inserted into the top touching jumping-up head 6 in die sinking 1, forbid firmly to clash into jumping-up head 6 and heading die, in order to avoid damage accessory, guarantee that the vertical rib on reinforcing bar both sides keeps level orientation simultaneously.
6, extruding jumping-up is carried out
Handle reversal valve 17, more according to the reinforcing bar of different size, with reference to pressure coefficient table, the pressure index as table 1 operates, once reach pressure index, can handle reversal valve 17 in the other direction and retreat to till clamping die 2 is separated with reinforcing bar, then take out workpiece.
7, maintenance and points for attention
A. processing work end face must ensure not defect, bending, not sharp, otherwise directly affects the loss of processing effect and consumable accessory, must carry out cutting with abrasive wheel cutting machine then carry out jumping-up if there is this type of situation.
B. operating personnel will guarantee that processing does not leave machine, grasp the force value of regulation, add that reach man-hour after pressure will release immediately, forbid superpressure, so as not to oil cylinder working-pressure excessive wash out jumping-up equipment or more major break down occur.
C. often will check in working whether securing member loosens to tighten in time, whether machine is put steady, and whether Hydraulic Oil Standard meets the regulation requirement of table 2, and oil temperature normally must not more than 45 degree.
D., after pressure regulator valve has professional to mix up by table 1, fastening location, other staff must not at will adjust.
E. high-pressure oil pump 14 forbids super-pressure to use, and must not weight, by force curved, sharp sticker scratch.
The present invention performs " three optimize " standard, adopts high-quality raw material and the research and development of advanced processing technology to form, overall performance is stable, flexible operation, esy to use, safe and reliable.
Schematically above be described the present invention and embodiment thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the frame mode similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (10)
1. a reinforcing bar head upsetter, frame is provided with heading die and upsetting apparatus, it is characterized in that, also comprise guide rod (7), from left to right heading die and upsetting apparatus are arranged in frame through guide rod (7) successively, heading die comprises clamping die (2) and die cavity (1), die cavity (1) is positioned at clamping die (2), upsetting apparatus comprises heading and cap (5) and jumping-up head (6), jumping-up head (6) is arranged on heading and on the left end of cap (5), and heading the right-hand member of cap (5) are arranged in hydraulic control system.
2. a kind of reinforcing bar head upsetter according to claim 1, it is characterized in that, described upsetter also comprises portable plate, portable plate comprises front portable plate (3) and rear portable plate (4), front portable plate (3) is arranged on the right side of heading die, jumping-up head (6) on upsetting apparatus is successively through rear portable plate (4) and front portable plate (3), and the left end of rear portable plate (4) is arranged on heading and on cap (5).
3. a kind of reinforcing bar head upsetter according to claim 2, it is characterized in that, described front portable plate (3) and rear portable plate (4) are all through guide rod (7), connected by screw mandrel between front portable plate (3) and rear portable plate (4), guide rod (7) is for cylindrical, and rear portable plate (4) can move left and right on guide rod (7).
4. a kind of reinforcing bar head upsetter according to claim 2, is characterized in that, described guide rod (7) totally four is parallel to each other, and the center of guide rod (7) lays respectively on the intersection point on rectangular four limits.
5. a kind of reinforcing bar head upsetter according to claim 3, it is characterized in that, described hydraulic control system comprises hydraulic cylinder, high-pressure oil pump (14), reversal valve (17), safety adjustable-pressure (15), oil filter (13) and fuel tank (12), hydraulic cylinder is connected with reversal valve (17), reversal valve (17) is connected with safety adjustable-pressure (15), safety adjustable-pressure (15) is connected with high-pressure oil pump (14), high-pressure oil pump (14) is driven by motor (11), high-pressure oil pump (14) is connected with oil filter (13), oil filter (13) is connected with fuel tank (12).
6. a kind of reinforcing bar head upsetter according to claim 5, it is characterized in that, described hydraulic cylinder comprises piston boit and oil cylinder (18), and the left end of piston boit is provided with heading and cap (5), and the right-hand member of piston boit is arranged on oil cylinder (18).
7. a kind of reinforcing bar head upsetter according to claim 5, it is characterized in that, safety adjustable-pressure (15) is provided with Pressure gauge (16).
8. a kind of reinforcing bar head upsetter according to claim 1, is characterized in that, the centre of two pieces of clamping dies (2) is provided with die cavity (1), according to the reinforcing bar of different size, uses the clamping die (2) of different size.
9. a kind of reinforcing bar head upsetter according to claim 1, it is characterized in that, die cavity (1) comprises reinforcing bar mould and heading die, and the inner surface of reinforcing bar mould is provided with screw thread, and the diameter of heading die is greater than the diameter of reinforcing bar mould.
10. a using method for reinforcing bar head upsetter, the steps include:
The specification of the reinforcing bar of A, as required jumping-up selects the clamping die (2) of dimension and the jumping-up head (6) of dimension;
Oil cylinder (18) moves to right by B, reversing valve operated (17), after piston boit drives, portable plate (4) moves right, before rear portable plate (4) is driven by screw mandrel, portable plate (3) moves right, until the right-hand member of clamping die (2) is separated with front portable plate (3);
C, the clamping die (2) of dimension is arranged in frame, ensure during installation that two clamping dies (2) are relatively expedite movable, when needing to change clamping die (2), the iron filings in chassis runners and rubbish also timing charging-up lubricant oil be cleared up;
D, use instrument unloads heading and cap (5), guarantees the horizontal level of jumping-up head (6) during installation, by jumping-up head (6) by heading and cap (5) is fixed on the left end of piston boit;
E, install clamping die (2) and jumping-up head (6) after, oil cylinder (18) moves to left by reversing valve operated (17), after the heading of piston rod left end cap (5) promote, portable plate (4) moves to left, before rear portable plate (4) is driven by screw mandrel, portable plate (3) is moved to the left, until the right-hand member of clamping die (2) contacts with front portable plate (3);
F, by straight flat for the processing of the end face of reinforcing bar to be upsetting, and to be inserted in the die cavity (1) of clamping die (2), to touch the left side of jumping-up head (6);
G, oil cylinder (18) moves to left by reversing valve operated (17), piston rod left end passes through heading and after cap (5) promotion, portable plate (4) moves to left, rear portable plate (4) moves to left promotion screw mandrel, before screw mandrel promotes, portable plate (3) moves to left, piston rod left end passes through heading and cap (5) promotion jumping-up head (6) extruding reinforcing bar end face simultaneously, pressure index corresponding during steel bar thick according to dimension, observe Pressure gauge (16), once reach corresponding pressure index, namely handling in the other direction reversal valve (17) retreats to till clamping die (2) is separated with reinforcing bar,
H, the reinforcing bar crossed from taking-up jumping-up in the die cavity (1) of two clamping dies (2).
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| CN201510543077.8A CN105057509A (en) | 2015-08-31 | 2015-08-31 | Rebar head portion upsetting machine and use method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105537484A (en) * | 2016-02-25 | 2016-05-04 | 芜湖利锋精工科技有限公司 | Torsion bar end pier head device |
| CN107470529A (en) * | 2016-09-30 | 2017-12-15 | 深圳市康振机械科技有限公司 | A kind of reinforcing bar automatic processing machine |
| CN112554572A (en) * | 2020-11-27 | 2021-03-26 | 唐子一 | Method for connecting reinforcing steel bars of semi-grouting sleeve of assembled precast concrete member |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105537484A (en) * | 2016-02-25 | 2016-05-04 | 芜湖利锋精工科技有限公司 | Torsion bar end pier head device |
| CN107470529A (en) * | 2016-09-30 | 2017-12-15 | 深圳市康振机械科技有限公司 | A kind of reinforcing bar automatic processing machine |
| CN112554572A (en) * | 2020-11-27 | 2021-03-26 | 唐子一 | Method for connecting reinforcing steel bars of semi-grouting sleeve of assembled precast concrete member |
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