CN209792471U - Coupling type automatic angle change control mechanism applied to reinforcing steel bar hoop bending machine - Google Patents
Coupling type automatic angle change control mechanism applied to reinforcing steel bar hoop bending machine Download PDFInfo
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- CN209792471U CN209792471U CN201920185490.5U CN201920185490U CN209792471U CN 209792471 U CN209792471 U CN 209792471U CN 201920185490 U CN201920185490 U CN 201920185490U CN 209792471 U CN209792471 U CN 209792471U
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Abstract
The utility model discloses a be applied to automatic angle conversion control mechanism of shaft coupling formula of curved hoop machine of reinforcing bar, hit the piece including a plurality of strokes, two-way angle conversion pole, reset control pole and a plurality of driving medium, can satisfy the control requirement that the crooked hoop machine of reinforcing bar forward double angle was buckled and reverse double angle was buckled, and the whole process operator of controlling only need step on corresponding pedal with the foot and can go on, need not manual operation, liberate operator's both hands completely, make it can carry out other operations, degree of automation is high, effectively raises the efficiency.
Description
Technical Field
the utility model relates to a construction equipment field, concretely relates to be applied to automatic angle transform control mechanism of shaft coupling formula of curved hoop machine of reinforcing bar.
Background
the reinforcing steel bar bending forming machine is used for bending reinforcing steel bars, is widely applied to the building industry and is used for manufacturing reinforcing steel bar hoops for buildings. The steel bar bending forming machine bends steel bars by a bending mechanism consisting of a rotary table, a center pin shaft and a rotary pin shaft, wherein the rotary table is driven by a power device to rotate, the rotary pin shaft is fixed on the rotary table and rotates along with the rotary table, the rotary table and the rotary pin shaft rotate around the center pin shaft, and the steel bars placed between the rotary pin shaft and the center pin shaft are bent by torque generated by rotation of the rotary pin shaft.
the existing bending forming machine for the steel bars is generally only provided with one bending mechanism, the steel bars can be bent at one or two angles, when the steel bars are bent into hoops, five times of bending are needed, the existing forward bending and reverse bending are also needed, the steel bars need to be taken down for multiple times to adjust the positions of the steel bars in the bending process, the operation is complicated, the efficiency is reduced, the fixed-length bending can not be carried out on the side length of the steel bar hoops, the side length of the bent steel bar hoops can only be controlled by depending on the experience of operators, the requirement on the operators is high, and the generated errors are large. Aiming at the condition that the existing steel bar bending forming machine is complex in operation when bending, the applicant develops a connected bidirectional hydraulic steel bar hoop bending machine, and the Chinese patent of invention (patent number: 201711189809.3) is reported in 11, 24.2017, the connected bidirectional hydraulic steel bar hoop bending machine utilizes two bending mechanisms arranged side by side, one is used for bending the steel bar in the forward direction, and the other is used for bending the steel bar in the reverse direction, so that the hoop bending process of the steel bar is smoothly carried out, the steel bar does not need to be frequently taken down to adjust the position, the workload is reduced, and the efficiency is effectively improved. In addition, the applicant also develops an avoiding type automatic sizing mechanism of the hydraulic hoop bending machine aiming at the condition that the existing steel bar bending forming machine cannot carry out fixed-length bending, and the applicant has announced a Chinese utility model patent (patent number: 201721600350.7) in 11 months and 24 days in 2017, and the side length of the steel bar hoop can be set through the automatic sizing mechanism, so that the steel bar hoop is bent according to the set side length, the working operation error is reduced, and the quality of the steel bar hoop is improved.
the two-way hydraulic steel bar hoop bending machine needs to be provided with two bending mechanisms which are respectively driven by two power devices, so that a hydraulic control system is more complex. In order to simplify the equipment, the applicant specially develops a bidirectional reinforcing bar hoop bending machine provided with a bidirectional bending mechanism, and the number of the bending mechanisms is reduced. However, the hoop bending machine for reinforcing steel bars needs to bend the reinforcing steel bars at forward and reverse multi-angle respectively, so that an angle change control mechanism with high automation degree is needed to be matched.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a novel coupling type automatic angle conversion control mechanism for a steel bar hoop bending machine.
The utility model discloses an optimal technical scheme who adopts mainly is:
be applied to automatic angle conversion control mechanism of shaft coupling formula of reinforcing bar hoop bending machine, be provided with control valve, two-way power device and control pedal on the reinforcing bar hoop bending machine, be provided with switching-over case and switch valve core on the control valve, shaft coupling formula angle conversion control mechanism includes:
The stroke collision block comprises a forward stroke reset collision block, a forward small-angle collision block, a forward large-angle collision block, a reverse small-angle collision block and a reverse stroke reset collision block which are sequentially arranged on the bidirectional power device;
the bidirectional angle conversion rod is rotatably arranged on the hoop bending machine along the stroke direction of the bidirectional power device, a forward reversing collision block and a reverse reversing collision block are arranged on the bidirectional angle conversion rod, the forward reversing collision block is arranged on the outer side of the forward small-angle collision block, the reverse reversing collision block is arranged on the outer side of the reverse small-angle collision block, the bidirectional angle conversion rod is switched between a first working state and a second working state through rotation, the reversing collision block corresponds to a large-angle collision block on the bidirectional power device when the bidirectional angle conversion rod is in the first working state, and the reversing collision block corresponds to a small-angle collision block of the bidirectional power device when the bidirectional angle conversion rod is in the second working state;
The reset control rod is rotatably arranged on the hoop bending machine, the reset control rod and the bidirectional angle changing rod are arranged side by side, a forward reset collision block and a reverse reset collision block are arranged on the reset control rod, the reset control rod switches a first working state and a second working state through rotation, the reset collision block avoids a stroke reset collision block on the bidirectional power device when the reset control rod is in the first working state, and the reset collision block corresponds to the stroke reset collision block on the bidirectional power device when the reset control rod is in the second working state;
The reversing transmission parts are respectively arranged between the forward reversing collision block and the reversing valve core and between the reverse reversing collision block and the reversing valve core;
reset transmission parts are respectively arranged between the forward reset collision block and the switch valve core and between the reverse reset collision block and the switch valve core;
the control pedal is connected with the switch valve core through a switch pull rod and comprises a forward large-angle pedal, a forward small-angle pedal, a reverse large-angle pedal and a reverse small-angle pedal;
the control pedal is connected with the reset control rod through the reset linkage rod, the reset control rod is switched to a first working state after the control pedal is stepped, and the reset control rod is switched to a second working state after the control pedal is released;
the bidirectional angle conversion rod is switched to a first working state after the forward large-angle pedal and the reverse large-angle pedal are stepped;
The forward small-angle pedal and the reverse small-angle pedal are connected with the bidirectional angle changing rod through the small-angle pull rod, and the bidirectional angle changing rod is switched to the second working state after the forward small-angle pedal and the reverse small-angle pedal are stepped on.
As a further improvement of the technical scheme, one end of the bidirectional angle changing rod is provided with an angle changing pulling plate which rotates synchronously with the bidirectional angle changing rod, and two sides of the angle changing pulling plate are respectively connected with a large-angle pulling rod and a small-angle pulling rod.
Specifically, two-way angle conversion pole one end is provided with protruding arris piece, angle conversion pulling plate passes through the recess and is connected with the protruding arris piece of two-way angle conversion pole, connects through the arris and makes angle conversion pulling plate and angle conversion pole synchronous rotation.
furthermore, limiting pins are respectively arranged above two sides of the angle conversion pulling plate, the limiting pins respectively limit the rotation amplitude of the angle conversion pulling plate from two directions, and the rotation angle of the angle conversion rod is also limited.
as a further improvement of the above technical solution, the bidirectional angle changing rod is provided with a directional device, so that the angle changing rod is kept stable in any working state.
Preferably, the reversing transmission part is a swing rod with two swing free ends, the upper end of the swing rod corresponds to the reversing collision block, and the lower end of the swing rod corresponds to the reversing valve core.
preferably, the reset control lever is provided with a reset striker driven by the reset striking block to act, the reset transmission part is a swing rod with two swing free ends, the upper end of the swing rod corresponds to the reset striking block or the reset striker, and the lower end of the swing rod corresponds to the switch valve core.
The utility model also provides another preferred technical scheme:
Be applied to automatic angle conversion control mechanism of shaft coupling formula of reinforcing bar hoop bending machine, be provided with control valve, two-way power device and control pedal on the reinforcing bar hoop bending machine, be provided with switching-over case and switch valve core on the control valve, shaft coupling formula angle conversion control mechanism includes:
The stroke collision block comprises a forward stroke reset collision block, a forward angle collision block, a reverse angle collision block and a reverse stroke reset collision block which are sequentially arranged on the bidirectional power device;
a bidirectional angle changing rod which is rotatably arranged on the hoop bending machine along the stroke direction of the bidirectional power device, the bidirectional angle changing rod is sequentially provided with a forward large-angle reversing collision block, a forward small-angle reversing collision block, a reverse small-angle reversing collision block and a reverse large-angle reversing collision block, the forward large-angle reversing collision block and the forward small-angle reversing collision block are connected with a forward reversing collision pin, the reverse small-angle reversing collision block and the reverse large-angle reversing collision block are connected with a reverse reversing striker, the bidirectional angle conversion rod switches a first working state and a second working state through rotation, the large-angle reversing collision block corresponds to the angle collision block on the bidirectional power device when the bidirectional angle conversion rod is in the first working state, and the small-angle reversing collision block corresponds to the angle collision block on the bidirectional power device when the bidirectional angle conversion rod is in the second working state;
The reset control rod is rotatably arranged on the hoop bending machine, the reset control rod and the bidirectional angle changing rod are arranged side by side, a forward reset collision block and a reverse reset collision block are arranged on the reset control rod, the reset control rod switches a first working state and a second working state through rotation, the reset collision block avoids a stroke reset collision block on the bidirectional power device when the reset control rod is in the first working state, and the reset collision block corresponds to the stroke reset collision block on the bidirectional power device when the reset control rod is in the second working state;
Reversing transmission parts are respectively arranged between the forward reversing firing pin and the reversing valve core and between the reverse reversing firing pin and the reversing valve core;
reset transmission parts are respectively arranged between the forward reset collision block and the switch valve core and between the reverse reset collision block and the switch valve core;
The control pedal is connected with the switch valve core through a switch pull rod and comprises a forward large-angle pedal, a forward small-angle pedal, a reverse large-angle pedal and a reverse small-angle pedal;
The control pedal is connected with the reset control rod through the reset linkage rod, the reset control rod is switched to a first working state after the control pedal is stepped, and the reset control rod is switched to a second working state after the control pedal is released;
The bidirectional angle conversion rod is switched to a first working state after the forward large-angle pedal and the reverse large-angle pedal are stepped;
The forward small-angle pedal and the reverse small-angle pedal are connected with the bidirectional angle changing rod through the small-angle pull rod, and the bidirectional angle changing rod is switched to the second working state after the forward small-angle pedal and the reverse small-angle pedal are stepped on.
the utility model has the advantages that:
the automatic angle transform control mechanism of shaft coupling formula that above-mentioned scheme provided can satisfy the control requirement that the two angles of reinforcing bar hoop bending machine forward were buckled and two angles of reversal were buckled, and whole control process operator only need step on corresponding pedal with the foot and can go on, need not manual operation, liberates operator's both hands completely, makes it can carry out other operations, and degree of automation is high, effectively raises the efficiency.
Drawings
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a reinforcing bar hoop bending machine.
fig. 2 is a schematic view of the internal structure of the reinforcing bar hoop bending machine of fig. 1.
fig. 3 is a schematic structural diagram of the bidirectional power device and a stroke support thereof.
fig. 4 is a combined schematic of a control valve and control lever.
fig. 5 is a schematic view of the structure of the control valve.
fig. 6 is a schematic structural view of the bidirectional angle changing lever.
Fig. 7 is a schematic structural view of the reset lever.
Detailed Description
example one
Referring to fig. 1 to 7, the present invention provides a preferred embodiment, a steel bar hoop bending machine with a coupling type automatic angle change control mechanism, the steel bar hoop bending machine comprises a frame 100, the frame 100 is provided with an oil tank, a bidirectional bending mechanism 200, a control valve 510 and a pedal for controlling. The bidirectional bending mechanism 200 comprises a bending turntable 210 and a bidirectional power device 220, and preferably, the bidirectional power device 220 is a hydraulic oil cylinder with a forward stroke and a reverse stroke. The bending turntable 210 is rotatably disposed on the rack 100, a center pin shaft and a bending pin shaft are disposed on the bending turntable 210, the bending pin shaft rotates around the center pin shaft, and preferably, the center pin shaft is telescopically disposed on the bending turntable 210. A driving gear is also arranged below the bending turntable 210. The piston rod of the bidirectional power device 220 is connected with a stroke support 221, the stroke support 221 is provided with a driving rack which is meshed with the driving gear and drives the bending turntable 210 to rotate, the bidirectional power device 220 can respectively drive the bending turntable 210 to rotate in two directions, and forward bending and reverse bending of the reinforcing steel bars are achieved. The control valve 510 is preferably a combination valve, and the control valve 510 is provided with a direction changing valve core 512 and a switch valve core 511. The control pedals are connected with the switch valve core 511 through switch pull rods 525 and 534, and the control pedals comprise a forward large-angle pedal 521, a forward small-angle pedal 522, a reverse large-angle pedal 531 and a reverse small-angle pedal 532.
In order to realize the control of the bending angle of the steel bar, the rack 100 is provided with a coupling type automatic angle conversion control mechanism which comprises a plurality of stroke collision blocks, a bidirectional angle conversion rod 540, a reset control rod 550 and a plurality of transmission parts.
as shown in fig. 3, the stroke bracket 221 is further provided with a plurality of stroke collision blocks, each stroke collision block comprises a forward angle collision block 2212, a forward small angle collision block 2213 and a forward stroke reset collision block 2214, and each stroke collision block comprises a reverse large angle collision block 2215, a reverse small angle collision block 2216 and a reverse stroke reset collision block 2217. Wherein, the stroke collision blocks are arranged in sequence as follows: the forward stroke reset collision block 2214, the forward small-angle collision block 2213, the forward large-angle collision block 2212, the reverse large-angle collision block 2215, the reverse small-angle collision block 2216 and the reverse stroke reset collision block 2217.
The bidirectional angle-changing lever 540 is rotatably provided on the frame 100 in a stroke direction of the bidirectional power unit 220. An angle conversion pulling plate 543 is arranged at one end of the bidirectional angle conversion rod 540, specifically, a convex edge block is arranged at one end of the bidirectional angle conversion rod 540, and the angle conversion pulling plate 543 is connected with the convex edge block of the bidirectional angle conversion rod 540 through a groove, so that the angle conversion pulling plate 543 and the bidirectional angle conversion rod 540 synchronously rotate; the two sides of the angle conversion pulling plate 543 are respectively provided with a pulling pin, the angle conversion pulling plate 543 is respectively connected with a large-angle pulling rod 523 and a small-angle pulling rod 524 through the pulling pins, the lower end of the large-angle pulling rod 523 is connected with a large-angle pedal, the lower end of the small-angle pulling rod 524 is connected with a small-angle pedal, and the two-way angle conversion rod 540 can rotate correspondingly after the control pedal is stepped on. Referring to fig. 6, the bidirectional angle transforming rod 540 is provided with a forward direction collision block 541 and a reverse direction collision block 542, the forward direction collision block 541 is disposed outside the forward direction small angle collision block 2213, and the reverse direction collision block 542 is disposed outside the reverse direction small angle collision block 2216. The bidirectional angle changing lever 540 switches the first operating state and the second operating state by rotation. When the forward large-angle pedal 521 and the reverse large-angle pedal 531 are stepped on, the bidirectional angle changing rod 540 is switched to the first working state, and the reversing collision block corresponds to the large-angle collision block on the bidirectional power device 220; when the forward small-angle pedal 522 and the reverse small-angle pedal 532 are depressed, the bidirectional angle changing lever 540 is switched to the second working state, and the reversing impact block corresponds to the small-angle impact block of the bidirectional power device 220.
Further, limit pins are respectively disposed above both sides of the angle conversion pulling plate 543 to limit the rotation range of the angle conversion pulling plate 543 from two directions, and also limit the rotation angle of the bidirectional angle conversion lever 540. Furthermore, the bidirectional angle changing lever 540 may be provided with an orientation device so that the bidirectional angle changing lever 540 can be stably maintained in any operating state.
the reset lever 550 is rotatably disposed on the frame 100, and the reset lever 550 is disposed in parallel with the bidirectional angle changing lever 540. Referring to fig. 7, the reset lever 550 is provided with a forward reset bump 552 and a reverse reset bump 554, and the reset lever 550 is further provided with a forward reset striker 551 actuated by the forward reset bump 552 and a reverse reset striker 553 actuated by the reverse reset bump 554. The reset control lever 550 switches the first working state and the second working state by rotation, the reset collision block avoids the stroke reset collision block on the bidirectional power device 220 when the reset control lever 550 is in the first working state, and the reset collision block corresponds to the stroke reset collision block on the bidirectional power device 220 when the reset control lever 550 is in the second working state. The control pedal is connected with the reset control rod 550 through the reset linkage rod 533, the reset control rod 550 is switched to a first working state after the control pedal is stepped on, and the reset control rod 550 is switched to a second working state after the control pedal is released.
Referring to fig. 4 and 5, the transmission members include a reversing transmission member and a return transmission member, in this embodiment, all the transmission members are preferably swing rods having two free ends, the upper ends of the swing rods correspond to the corresponding collision blocks, and the lower ends of the swing rods correspond to the corresponding valve cores. A forward direction reversing swing rod 560 is arranged between the forward direction reversing collision block 541 and the reversing valve core 512, a reverse direction reversing swing rod 580 is arranged between the reverse direction reversing collision block 542 and the reversing valve core 512, a forward direction switch swing rod 570 is arranged between the forward direction resetting collision block 552 and the switch valve core 511, and a reverse direction switch swing rod 590 is arranged between the reverse direction resetting collision block 554 and the switch valve core 511.
Example two
The utility model also provides a second kind of implementation scheme of the automatic angle conversion control mechanism of shaft coupling formula. The present embodiment is different from the first embodiment in the arrangement of the stroke striking block and the reversing striking block on the bidirectional angle changing lever. Specifically, in the present embodiment, the stroke collision block includes a forward stroke reset collision block, a forward angle collision block, a reverse angle collision block and a reverse stroke reset collision block, which are sequentially arranged on the bidirectional hydraulic oil cylinder and move along with the stroke of the oil cylinder piston; the bidirectional angle conversion rod is sequentially provided with a forward large-angle reversing collision block, a forward small-angle reversing collision block, a reverse small-angle reversing collision block and a reverse large-angle reversing collision block, the forward large-angle reversing collision block and the forward small-angle reversing collision block are connected with a forward reversing collision pin, and the reverse small-angle reversing collision block and the reverse large-angle reversing collision block are connected with a reverse reversing collision pin. The large-angle reversing collision block corresponds to the angle collision block on the bidirectional hydraulic cylinder when the bidirectional angle conversion rod is in the first working state, and the small-angle reversing collision block corresponds to the angle collision block of the bidirectional hydraulic cylinder when the bidirectional angle conversion rod is in the second working state. The reversing firing pins respectively correspond to the reversing transmission members. Other configurations of the present embodiment are the same as those of the first embodiment except for the above differences.
the above is only the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by the substantially same means, all belong to the protection scope of the present invention.
Claims (9)
1. be applied to automatic angle conversion control mechanism of shaft coupling formula of reinforcing bar hoop bending machine, reinforcing bar hoop bending machine is last to be provided with control valve, two-way power device and control is pedal, be provided with switching-over case and switch valve core on the control valve, its characterized in that, shaft coupling formula angle conversion control mechanism includes:
the stroke collision block comprises a forward stroke reset collision block, a forward small-angle collision block, a forward large-angle collision block, a reverse small-angle collision block and a reverse stroke reset collision block which are sequentially arranged on the bidirectional power device;
The bidirectional angle conversion rod is rotatably arranged on the hoop bending machine along the stroke direction of the bidirectional power device, a forward reversing collision block and a reverse reversing collision block are arranged on the bidirectional angle conversion rod, the forward reversing collision block is arranged on the outer side of the forward small-angle collision block, the reverse reversing collision block is arranged on the outer side of the reverse small-angle collision block, the bidirectional angle conversion rod is switched between a first working state and a second working state through rotation, the reversing collision block corresponds to a large-angle collision block on the bidirectional power device when the bidirectional angle conversion rod is in the first working state, and the reversing collision block corresponds to a small-angle collision block of the bidirectional power device when the bidirectional angle conversion rod is in the second working state;
The reset control rod is rotatably arranged on the hoop bending machine, the reset control rod and the bidirectional angle changing rod are arranged side by side, a forward reset collision block and a reverse reset collision block are arranged on the reset control rod, the reset control rod switches a first working state and a second working state through rotation, the reset collision block avoids a stroke reset collision block on the bidirectional power device when the reset control rod is in the first working state, and the reset collision block corresponds to the stroke reset collision block on the bidirectional power device when the reset control rod is in the second working state;
The reversing transmission parts are respectively arranged between the forward reversing collision block and the reversing valve core and between the reverse reversing collision block and the reversing valve core;
reset transmission parts are respectively arranged between the forward reset collision block and the switch valve core and between the reverse reset collision block and the switch valve core;
The control pedal is connected with the switch valve core through a switch pull rod and comprises a forward large-angle pedal, a forward small-angle pedal, a reverse large-angle pedal and a reverse small-angle pedal;
The control pedal is connected with the reset control rod through the reset linkage rod, the reset control rod is switched to a first working state after the control pedal is stepped, and the reset control rod is switched to a second working state after the control pedal is released;
The bidirectional angle conversion rod is switched to a first working state after the forward large-angle pedal and the reverse large-angle pedal are stepped;
The forward small-angle pedal and the reverse small-angle pedal are connected with the bidirectional angle changing rod through the small-angle pull rod, and the bidirectional angle changing rod is switched to the second working state after the forward small-angle pedal and the reverse small-angle pedal are stepped on.
2. The coupling type automatic angle changing control mechanism applied to the reinforcing bar hoop bending machine according to claim 1, wherein: and one end of the bidirectional angle changing rod is provided with an angle changing pulling plate which synchronously rotates with the bidirectional angle changing rod, and two sides of the angle changing pulling plate are respectively connected with a large-angle pulling rod and a small-angle pulling rod.
3. the coupling type automatic angle changing control mechanism applied to the reinforcing bar hoop bending machine according to claim 2, wherein: and one end of the bidirectional angle changing rod is provided with a convex edge block, and the angle changing pulling plate is connected with the convex edge block of the bidirectional angle changing rod through a groove.
4. the coupling type automatic angle changing control mechanism applied to the reinforcing bar hoop bending machine according to claim 2, wherein: and limiting pins are respectively arranged above two sides of the angle conversion pulling plate.
5. The coupling type automatic angle changing control mechanism applied to the reinforcing bar hoop bending machine according to claim 1, wherein: the bidirectional angle conversion rod is provided with a directional device.
6. The coupling type automatic angle changing control mechanism applied to the reinforcing bar hoop bending machine according to claim 1, wherein: the reversing transmission part is a swing rod with two swing free ends, the upper end of the swing rod corresponds to the reversing collision block, and the lower end of the swing rod corresponds to the reversing valve core.
7. The coupling type automatic angle changing control mechanism applied to the reinforcing bar hoop bending machine according to claim 1, wherein: the reset control rod is provided with a reset striker driven by the reset striker.
8. The automatic angle change control mechanism of coupling type for reinforcing bar hoop bending machine according to claim 1 or 7, wherein: the reset transmission part is a swing rod with two swing free ends, the upper end of the swing rod corresponds to the reset collision block or the reset collision pin, and the lower end of the swing rod corresponds to the switch valve core.
9. be applied to automatic angle conversion control mechanism of shaft coupling formula of reinforcing bar hoop bending machine, reinforcing bar hoop bending machine is last to be provided with control valve, two-way power device and control is pedal, be provided with switching-over case and switch valve core on the control valve, its characterized in that, shaft coupling formula angle conversion control mechanism includes:
the stroke collision block comprises a forward stroke reset collision block, a forward angle collision block, a reverse angle collision block and a reverse stroke reset collision block which are sequentially arranged on the bidirectional power device;
A bidirectional angle changing rod which is rotatably arranged on the hoop bending machine along the stroke direction of the bidirectional power device, the bidirectional angle changing rod is sequentially provided with a forward large-angle reversing collision block, a forward small-angle reversing collision block, a reverse small-angle reversing collision block and a reverse large-angle reversing collision block, the forward large-angle reversing collision block and the forward small-angle reversing collision block are connected with a forward reversing collision pin, the reverse small-angle reversing collision block and the reverse large-angle reversing collision block are connected with a reverse reversing striker, the bidirectional angle conversion rod switches a first working state and a second working state through rotation, the large-angle reversing collision block corresponds to the angle collision block on the bidirectional power device when the bidirectional angle conversion rod is in the first working state, and the small-angle reversing collision block corresponds to the angle collision block on the bidirectional power device when the bidirectional angle conversion rod is in the second working state;
the reset control rod is rotatably arranged on the hoop bending machine, the reset control rod and the bidirectional angle changing rod are arranged side by side, a forward reset collision block and a reverse reset collision block are arranged on the reset control rod, the reset control rod switches a first working state and a second working state through rotation, the reset collision block avoids a stroke reset collision block on the bidirectional power device when the reset control rod is in the first working state, and the reset collision block corresponds to the stroke reset collision block on the bidirectional power device when the reset control rod is in the second working state;
Reversing transmission parts are respectively arranged between the forward reversing firing pin and the reversing valve core and between the reverse reversing firing pin and the reversing valve core;
reset transmission parts are respectively arranged between the forward reset collision block and the switch valve core and between the reverse reset collision block and the switch valve core;
the control pedal is connected with the switch valve core through a switch pull rod and comprises a forward large-angle pedal, a forward small-angle pedal, a reverse large-angle pedal and a reverse small-angle pedal;
the control pedal is connected with the reset control rod through the reset linkage rod, the reset control rod is switched to a first working state after the control pedal is stepped, and the reset control rod is switched to a second working state after the control pedal is released;
the bidirectional angle conversion rod is switched to a first working state after the forward large-angle pedal and the reverse large-angle pedal are stepped;
The forward small-angle pedal and the reverse small-angle pedal are connected with the bidirectional angle changing rod through the small-angle pull rod, and the bidirectional angle changing rod is switched to the second working state after the forward small-angle pedal and the reverse small-angle pedal are stepped on.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142347 | 2019-01-25 | ||
| CN2019201423478 | 2019-01-25 |
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| CN209792471U true CN209792471U (en) | 2019-12-17 |
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| CN201920185490.5U Active CN209792471U (en) | 2019-01-25 | 2019-02-01 | Coupling type automatic angle change control mechanism applied to reinforcing steel bar hoop bending machine |
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| CN (1) | CN209792471U (en) |
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