CN103357788A - Control mode switching device for hydraulic steel bar bender - Google Patents
Control mode switching device for hydraulic steel bar bender Download PDFInfo
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- CN103357788A CN103357788A CN2013103214703A CN201310321470A CN103357788A CN 103357788 A CN103357788 A CN 103357788A CN 2013103214703 A CN2013103214703 A CN 2013103214703A CN 201310321470 A CN201310321470 A CN 201310321470A CN 103357788 A CN103357788 A CN 103357788A
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Abstract
The invention discloses a control mode switching device for a hydraulic steel bar bender. The control mode switching device is arranged behind a reversing valve and comprises a pulling plate which is movably arranged; the pulling plate is connected with a heaving plate through a tension spring; when the pulling plate approaches to the heaving plate, the tension spring is in a shrinkage state; when the pulling plate is far away from the heaving plate, the tension spring is a tension state; a reversing valve poking rod is arranged on the heaving plate and is connected with a reversing valve core; a horizontal hole is formed in the heaving plate; a link pin is arranged on a T-shaped plate; and the link pin passes through the horizontal hole and is movably connected with the heaving plate. A plurality of bending angle control modes can be provided by the control mode switching device; switching can be carried out anytime; after the control mode switching device is arranged on the hydraulic steel bar bender, a mode that steel bar bending is carried out according to the preset angle or a mode that the steel angle bending angle is controlled in real time by a pedal plate can be selected by a user according to the practical need; more angles can be selected for steel bar bending; and the applicable range is wider.
Description
Technical field
The present invention relates to the structure of angle bender in the building field, particularly a kind of control mode switch device for hydraulic steel bar bender.
Background technology
Usually use various reinforcing bars in architectural engineering, wherein most reinforcing bar all needs through using after certain bending, for example forms the stirrup skeleton frame of a rectangle through 5 bendings.Because the hardness of reinforcing bar is very large, its bending can only be finished by special angle bender.Domestic patent CN201220097466, CN201010187653, CN201110170094, CN201210507882 disclose respectively several different angle benders, but the shortcoming of above-mentioned angle bender is automatically to control the angle of bending, can only lean on human eye judge bending angle suitable after again the manual control machine device stop troublesome poeration.In order to address the above problem, the applicant discloses following structure in that the patent " 201020301594-mechanical combination valve starting device " of first to file is inner: a kind of mechanical combination valve starting device, comprise hydraulic cylinder and gripper shoe, hydraulic cylinder is connected with the stroke bracing frame by piston rod, be provided with the angular adjustment collision block on the stroke bracing frame, described gripper shoe is movably installed with T shape linkage board, switch valve rocking arm and hits and strike the piece rocking arm, and three tops of described T shape linkage board are flexibly connected with pedal, switch spool and reversing valve core respectively.After hydraulic cylinder starts, hydraulic cylinder piston moves forward and promotes the stroke bracing frame forward, change-over valve core stretches out simultaneously, after the stroke bracing frame is forwarded to setpoint distance, the angular adjustment collision block hits and strikes piece rocking arm upper end, makes to hit to strike the piece rocking arm and rotate, and hits to strike piece rocking arm lower end collision change-over valve core it is returned, thereby the control hydraulic cylinder piston returns, and finishes the reinforcing bar bending.This device utilizes the stroke bracing frame, regulates collision block and hits the structure of striking piece rocking arm cooperation realization hydraulic cylinder piston Stroke Control, the automatic control of the stroke of control hydraulic cylinder piston and then realization reinforcing bar bending angle.But, can only be according to the angle of default stroke distances control reinforcing bar bending in the said structure, applicable scope is relatively narrow.
Summary of the invention
In order to solve the problems of the technologies described above, the purpose of this invention is to provide a kind of control mode switch device for hydraulic steel bar bender, have automatically and control in real time two kinds of patterns of reinforcing bar bending angle and freely select to the user.
The technical solution adopted in the present invention is:
A kind of control mode switch device for hydraulic steel bar bender, described hydraulic steel bar bender comprises the switch valve of hydraulic cylinder, control hydraulic cylinder start-stop, the reversal valve that the control hydraulic cylinder piston commutates, the gripper shoe that is arranged on reversal valve and switch valve the place ahead, wherein:
Described hydraulic cylinder the place ahead is provided with the stroke support, is provided with the push rod of connecting fluid pressure cylinder piston in the stroke support, and the push rod below is provided with collision block;
Described gripper shoe is positioned at stroke support below, be movably installed with T-shaped plate, bump rocking arm on the gripper shoe, three tops of T-shaped plate are connecting pin pedal, switch valve spool and change-over valve core respectively, bump rocking arm middle part is installed in by rotating shaft and makes bump rocking arm upper and lower side energy rotary oscillation on the gripper shoe, the upper end of bump rocking arm is positioned on the course of collision block, the corresponding change-over valve core in the lower end of bump rocking arm;
Described control mode switch device is arranged on the reversal valve rear, comprise the movable arm-tie of installing, arm-tie connects pull plate by extension spring, extension spring is contraction state during the close pull plate of arm-tie, arm-tie during away from pull plate extension spring be tensioning state, be provided with the reversal valve dead man on the pull plate and connect change-over valve core, offer cross-drilled hole on the pull plate, be provided with attachment pegs on the described T-shaped plate, described attachment pegs passes cross-drilled hole and pull plate is flexibly connected.
The operation principle of above-mentioned control mode switch device is: when pulling plate lock fixed on the position of close pull plate, extension spring was contraction state, and hydraulic steel bar bender adopts the mode of control hydraulic cylinder piston stroke and then automatically controls the angle of reinforcing bar bending; When pulling plate lock fixes on position away from pull plate, extension spring is tensioning state, pull plate there is backward pulling force, when the user steps on pedal, by T-shaped plate locking pull plate it can not be moved backward, hydraulic cylinder piston moves forward bending reinforcing steel bar, after pedal is decontroled, it is mobile backward that pull plate drives change-over valve core by the reversal valve dead man, the hydraulic cylinder piston commutation, finish the reinforcing bar bending, at this time the angle of reinforcing bar bending is to be controlled by the time of stepping on pedal by the user, is namely freely controlled the angle of reinforcing bar bending by the user.
As further improvement in the technical proposal, described arm-tie one end is rotatably installed by pivot pin.
As further improvement in the technical proposal, described pivot pin is installed on the fixed support, offers locating slot on the described fixed support, cooperates locating slot to be provided with alignment pin on the described arm-tie.
As further improvement in the technical proposal, be provided with handle on the described arm-tie.
As further improvement in the technical proposal, described attachment pegs is connected on the pull plate by packing ring and split pin after passing cross-drilled hole.
The invention has the beneficial effects as follows:
Control mode switch device of the present invention provides multiple bending angle control model for hydraulic steel bar bender, and can switch at any time, the user can be according to the actual requirements, selection is carried out the reinforcing bar bending according to the angle that sets, and perhaps selects to adopt pedal to control in real time the reinforcing bar bending angle.After on the hydraulic steel bar bender this control mode switch device being installed, when reinforcing bar bends more angle Selection can be arranged, make it with better function, the scope of application is wider.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation for the control mode switch device of hydraulic steel bar bender.
Fig. 2 be the control mode switch device use one of state diagram (extension spring is tensioning state).
Fig. 3 is two (extension spring is contraction state) of using state diagram of control mode switch device.
The specific embodiment
Below in conjunction with accompanying drawing 1 to 3 and preferred embodiment to the further detailed explanation of control mode switch device for hydraulic steel bar bender of the present invention.
With reference to Fig. 1, Fig. 2, described hydraulic steel bar bender comprises the switch valve 2 of hydraulic cylinder 1, control hydraulic cylinder start-stop, the reversal valve 3 of control hydraulic cylinder piston commutation, described hydraulic cylinder 1 the place ahead is provided with stroke support 5, be provided with the push rod 51 of connecting fluid pressure cylinder piston in the stroke support 5, push rod 51 belows are provided with collision block 511; Described reversal valve 3 and switch valve 2 the place aheads are provided with gripper shoe 4, gripper shoe 4 is positioned at stroke support 5 belows, be movably installed with T-shaped plate 41, bump Rocker arm 42 on the gripper shoe 4, three tops of T-shaped plate 41 are connecting pin pedal 6, switch valve spool and change-over valve core respectively, bump Rocker arm 42 middle parts are installed in by rotating shaft and make bump Rocker arm 42 upper and lower sides energy rotary oscillation on the gripper shoe 4, the upper end of bump Rocker arm 42 is positioned on the course of collision block 511, the corresponding change-over valve core in the lower end of bump Rocker arm 42.Said structure can be with reference to the patent of invention " a 201020301594-mechanical combination valve starting device " of applicant in first to file.
With reference to Fig. 3, described control mode switch device 7 is arranged on reversal valve 3 rears, control mode switch device 7 comprises a fixed support 71, by pivot pin arm-tie 72 is installed rotatably on the fixed support 71, be provided with on the arm-tie 72 and hang pin, one end of extension spring 73 is hung on the extension pin of arm-tie 72, the other end of extension spring 73 is hung on the pull plate 74, be provided with the handle 721 of being convenient to shake hands on the arm-tie 72, extension spring 73 is contraction state when the pull plate 74 when arm-tie 72 turns to, when arm-tie 72 during away from pull plate 74 extension spring 73 be tensioning state.Be provided with reversal valve dead man 741 on the pull plate 74 and connect change-over valve core, pull plate 74 middle parts offer cross-drilled hole 742, be provided with attachment pegs 411 on the described T-shaped plate 41, described attachment pegs 411 is passed cross-drilled hole 742, and adopt packing ring 743 and split pin 744 to be connected on the pull plate 74, attachment pegs 411 in the scope of cross-drilled hole 742 relatively pull plate 74 move forward and backward.Further, the state for locking extension spring 73 after moving to the relevant position at arm-tie 72 offers locating slot 711 on the described fixed support 71, cooperates locating slot 711 to be provided with alignment pin 722 on the described arm-tie 72.
Control mode switch device 7 operation principles of the present invention are: when arm-tie 72 was locked in the position of close pull plate 74, extension spring 73 was contraction state, and hydraulic steel bar bender adopts the mode of control hydraulic cylinder piston stroke and then automatically controls the angle of reinforcing bar bending; When arm-tie 72 is locked in position away from pull plate 74, extension spring 73 is tensioning state, pull plate 74 there is backward pulling force, when the user steps on pedal 6, by T-shaped plate 41 locking pull plate 74 it can not be moved backward, hydraulic cylinder piston moves forward bending reinforcing steel bar, after the user decontrols pedal 6, it is mobile backward that pull plate 74 drives change-over valve core by reversal valve dead man 741, the hydraulic cylinder piston commutation, finish the reinforcing bar bending, at this time the angle of reinforcing bar bending is to be controlled by the time of stepping on pedal 6 by the user, namely freely controlled the angle of reinforcing bar bending by the user, but the maximum angle of reinforcing bar bending is by the hydraulic cylinder piston Stroke Control that sets.
Control mode switch device 7 of the present invention provides multiple bending angle control model for hydraulic steel bar bender, and can switch at any time, after on the hydraulic steel bar bender this control mode switch device 7 being installed, the user can be according to the actual requirements, selection is carried out the reinforcing bar bending according to the angle that sets, and perhaps selects to adopt in real time control reinforcing bar bending angle of pedal 6, when reinforcing bar bends more angle Selection can be arranged, make it with better function, the scope of application is wider.
Below only be preferential embodiment of the present invention, as long as realize that with basic identical means the technical scheme of the object of the invention all belongs within protection scope of the present invention.
Claims (5)
1. control mode switch device that is used for hydraulic steel bar bender, described hydraulic steel bar bender comprises the switch valve of hydraulic cylinder, control hydraulic cylinder start-stop, the reversal valve that the control hydraulic cylinder piston commutates, the gripper shoe that is arranged on reversal valve and switch valve the place ahead, wherein:
Described hydraulic cylinder the place ahead is provided with the stroke support, is provided with the push rod of connecting fluid pressure cylinder piston in the stroke support, and the push rod below is provided with collision block;
Described gripper shoe is positioned at stroke support below, be movably installed with T-shaped plate, bump rocking arm on the gripper shoe, three tops of T-shaped plate are connecting pin pedal, switch valve spool and change-over valve core respectively, bump rocking arm middle part is installed in by rotating shaft and makes bump rocking arm upper and lower side energy rotary oscillation on the gripper shoe, the upper end of bump rocking arm is positioned on the course of collision block, the corresponding change-over valve core in the lower end of bump rocking arm;
It is characterized in that, described control mode switch device is arranged on the reversal valve rear, comprise the movable arm-tie of installing, arm-tie connects pull plate by extension spring, and arm-tie extension spring when the pull plate is contraction state, arm-tie during away from pull plate extension spring be tensioning state, be provided with the reversal valve dead man on the pull plate and connect change-over valve core, offer cross-drilled hole on the pull plate, be provided with attachment pegs on the described T-shaped plate, described attachment pegs passes cross-drilled hole and pull plate is flexibly connected.
2. a kind of control mode switch device for hydraulic steel bar bender according to claim 1, it is characterized in that: described arm-tie one end is rotatably installed by pivot pin.
3. a kind of control mode switch device for hydraulic steel bar bender according to claim 2, it is characterized in that: described pivot pin is installed on the fixed support, offer locating slot on the described fixed support, cooperate locating slot to be provided with alignment pin on the described arm-tie.
4. according to claim 1 to the described a kind of control mode switch device for hydraulic steel bar bender of 3 arbitrary claims, it is characterized in that: be provided with handle on the described arm-tie.
5. a kind of control mode switch device for hydraulic steel bar bender according to claim 1, it is characterized in that: described attachment pegs is connected on the pull plate by packing ring and split pin after passing cross-drilled hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310321470.3A CN103357788B (en) | 2013-07-26 | 2013-07-26 | A kind of control mode switch device for hydraulic steel bar bender |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310321470.3A CN103357788B (en) | 2013-07-26 | 2013-07-26 | A kind of control mode switch device for hydraulic steel bar bender |
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| CN103357788A true CN103357788A (en) | 2013-10-23 |
| CN103357788B CN103357788B (en) | 2015-11-18 |
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| CN201310321470.3A Active CN103357788B (en) | 2013-07-26 | 2013-07-26 | A kind of control mode switch device for hydraulic steel bar bender |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06292934A (en) * | 1993-04-08 | 1994-10-21 | Asahi Seiki Kogyo Kk | Method and device for controlling transfer of spring and hook attitude of spring forming machine |
| CN201419218Y (en) * | 2009-04-24 | 2010-03-10 | 冯满荣 | Steel bar bending device with adjustable hydraulic pressure strength |
| CN201618821U (en) * | 2010-02-09 | 2010-11-03 | 冯广建 | Pedal type angle transformation device of bending machine |
| CN201621354U (en) * | 2010-01-26 | 2010-11-03 | 冯广建 | Mechanical combination valve starting device |
| CN202571087U (en) * | 2012-03-23 | 2012-12-05 | 冯广建 | Adjustable multi-angle mobile bending mechanism |
| CN203437554U (en) * | 2013-07-26 | 2014-02-19 | 冯广建 | Control mode switching device for hydraulic steel bar bender |
-
2013
- 2013-07-26 CN CN201310321470.3A patent/CN103357788B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06292934A (en) * | 1993-04-08 | 1994-10-21 | Asahi Seiki Kogyo Kk | Method and device for controlling transfer of spring and hook attitude of spring forming machine |
| CN201419218Y (en) * | 2009-04-24 | 2010-03-10 | 冯满荣 | Steel bar bending device with adjustable hydraulic pressure strength |
| CN201621354U (en) * | 2010-01-26 | 2010-11-03 | 冯广建 | Mechanical combination valve starting device |
| CN201618821U (en) * | 2010-02-09 | 2010-11-03 | 冯广建 | Pedal type angle transformation device of bending machine |
| CN202571087U (en) * | 2012-03-23 | 2012-12-05 | 冯广建 | Adjustable multi-angle mobile bending mechanism |
| CN203437554U (en) * | 2013-07-26 | 2014-02-19 | 冯广建 | Control mode switching device for hydraulic steel bar bender |
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| CN103357788B (en) | 2015-11-18 |
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