CN204867281U - Integrated hydraulic system of double pump vertical compression riveter - Google Patents
Integrated hydraulic system of double pump vertical compression riveter Download PDFInfo
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- CN204867281U CN204867281U CN201520472797.5U CN201520472797U CN204867281U CN 204867281 U CN204867281 U CN 204867281U CN 201520472797 U CN201520472797 U CN 201520472797U CN 204867281 U CN204867281 U CN 204867281U
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Abstract
The utility model discloses an integrated hydraulic system of double pump vertical compression riveter belongs to hydraulic riveter technical field. This integration hydraulic system includes hydraulic oil pump and oil tank, integrated hydraulic system's integrated the setting on double pump integrated valve block of control system, seted up the oil circuit in integrated valve block, last actuator port and the oil return opening of being provided with of integrated valve block is riveted the pincers hydro -cylinder and is passed through high pressure fuel pipe and connect on integrated valve block, is provided with the control unit on integrated valve block, the control unit become by inserted valve, inserted valve apron and directional control valves, ging forward and the return stroke of pincers piston rod is riveted in the control unit control, the oil circuit on be provided with pressure sensor, pressure sensor is connected to PLC control system, the oil circuit on be provided with pressure digital display unit. This high integrated valve block has reduced faying face, coupling, reduces the hydraulic system leakage point.
Description
Technical field
The utility model relates to a kind of riveting machine hydraulic system, and particularly a kind of double pump vertical compression riveting machine integrated hydraulic system, belongs to hydraulic riveter technical field.
Background technology
Hydraulic riveter is the Special riveting equipment of all kinds of automobile frame and mine car frame rivet, can cold riveting diameter be the rivet of φ 10mm ~ φ 16mm, and the rivet of rivet hot φ 16mm ~ φ 28mm, the riveted joint frequency is 16-25 time/min.Because executing agency's riveting pincers assembly of riveting machine is by manual operation, moving range is large on a production line, therefore labor strength is large, in order to reduce the volume and weight of riveting pincers oil cylinder, riveting is made to clamp operation lightly, flexibly mobile, pressure charging system is generally adopted to improve operating pressure at present, therefore riveting technology hydraulic control structurally generally adopts pressure charging system, there is supercharging and supercharging conversion time, the riveted joint frequency of restriction riveting machine, riveted joint and the productive temp requirement of user 40-50 time/min high frequency time can not be met, riveting machine is once the whole production line that breaks down can not normally run, original pressure switch can not accurately control and facilitate the required pressure of adjustment.Due to manufacturing and positioning errors, easily pull between original system pressurized cylinder cylinder body and piston rod, adhere, machine-spoiled rate is higher.
Summary of the invention
Be that overcoming current hydraulic riveter operationally generally adopts pressure charging system not only bring above-mentioned fault and can not meet the needs of high frequency time riveted joint, provides a kind of double pump vertical compression riveting machine integrated hydraulic system in the purpose of this utility model.
For realizing the purpose of this utility model, have employed following technical proposals: double pump vertical compression riveting machine integrated hydraulic system, comprise hydraulic oil pump and fuel tank, the control system integration of described integrated hydraulic system is arranged on double pump integrated valve block, oil circuit is offered in integrated valve block, integrated valve block is provided with actuator port and oil return opening, riveting pincers oil cylinder is connected on integrated valve block by high-pressure oil pipe, integrated valve block is provided with control unit, described control unit is by inserted valve, inserted valve cover plate and directional control valve composition, control unit controls advance and the backhaul of riveting pincers piston rod, described oil circuit is provided with pressure sensor, pressure sensor is connected to PLC control system, described oil circuit is provided with pressure digital display device, further, described integrated hydraulic system is connected with and comprises hydraulic oil circulation filtering system, air filter, hydraulic oil cooling system, further, described hydraulic oil pump is two, hydraulic oil pump adopts variable displacement with constant power pump, two pump a preparation and a use, all be connected to PLC control system, further, described inserted valve cover plate and directional control valve are all with commutation damping adjusting hole.
Positive Advantageous Effects of the present utility model is: the utility model is integrated into the hydraulic double-pump system of hydraulic riveter and control system height on a valve block, pass through pressure sensor, PLC and read out instrument realize adjustment and the monitoring in real time of operating pressure, height integrated valve block decreases faying face, pipe joint, reduce hydraulic system leakage point, reduce the difficulty of processing of valve block, reduce manufacturing procedure, remove pressurized cylinder structure simultaneously, do not exist and pull, adhesion, stuck phenomenon, reduce fault rate, improve the stability of machine, increase stand-by pump system, improve production line reliability, riveting pressure or tonnage is shown in real time by digital display meter, make riveting process more directly perceived, be convenient to control riveting quality.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model total system.
Fig. 2 is the schematic diagram of the utility model integrated valve block.
Detailed description of the invention
In order to explain enforcement of the present utility model more fully, provide embodiment of the present utility model.These embodiments are only to elaboration of the present utility model, do not limit scope of the present utility model.
By reference to the accompanying drawings the utility model is described further, is respectively labeled as in accompanying drawing: 1: riveting pincers oil cylinder; 2: pressure sensor; 3: integrated valve block; 4: hydraulic oil circulation filtering system; 5: air filter; 6: hydraulic oil cooling system; 7: fuel tank; 8: actuator port; 9: shuttle valve commutation cover plate; 10: three position four-way directional control valve; 11: oil return opening.As shown in drawings,
Double pump vertical compression riveting machine integrated hydraulic system, comprise hydraulic oil pump, hydraulic oil pump does not illustrate in the drawings, the control system integration of this integrated hydraulic system is arranged on integrated valve block 3, oil circuit interface is accordingly offered in integrated valve block 3, the each insert hole of processing and oil circuit control in the middle of pile-up valve block, four sides installation direction control valve and plug-in unit cover plate and other hydraulic valve are at valve block, integrated valve block 3 is provided with oil return opening 11 and actuator port 8, integrated valve block is provided with control unit, control unit is by inserted valve, inserted valve cover plate and directional control valve composition, inserted valve cover plate and directional control valve are all with commutation damping adjusting hole, can effectively control oil return flow velocity and commutating period, reduce hydraulic shock, directional control valve and commutation overflow cover plate effectively control oil-feed and the emptying of riveting pincers oil cylinder, adjusted and control the actual working pressure of riveting pincers oil cylinder 1 by pressure sensor, be shuttle valve commutation cover plate described in 9 in figure, 10 are depicted as three position four-way directional control valve, control unit controls advance and the backhaul of riveting pincers piston rod, pressure sensor is provided with on integrated valve block, pressure sensor is connected to PLC control system, oil circuit is provided with pressure digital display device, for monitoring riveting pressure and tonnage in real time, integrated hydraulic system is connected with and comprises hydraulic oil circulation filtering system 4, air filter 5, hydraulic oil cooling system 6, hydraulic oil pump is two, hydraulic oil pump adopts variable displacement with constant power pump, two pump a preparation and a use, all be connected to PLC control system, this integrated electric motor pump group structure is tightly rationally short, noise is lower, owing to adopting variable displacement with constant power pump, make riveted joint speed first quick and back slow, finally reach riveting pressure, more be conducive to rivet to be shaped.The utility model mainly realizes: oil pump off-load, F.F., rivet, return and the actions such as off-load, and details are as follows:
1. oil pump off-load: actuating motor, each valve attonity, fluid is through oil filter, oil pump, overflow valve oil return box;
2. F.F.: after riveting mould aims at rivet, press on riveting pincers oil cylinder and rivet button, control valve obtains electric, and stop off-load, system build-up pressure, makes piston F.F.;
3. rivet: when riveting mould is close in rivet process, can release button at any time, make riveting mould original position stop, fluid controls commutation off-load unit fluid oil return box through directional control valve;
4. return and off-load: when riveting clamp in-oil cylinder pressure reach operating pressure time, after rivet is shaping, pressure sensor sender number, oil circuit commutates, and fluid enters riveting pincers oil cylinder back cavity after the commutation of master control reversal valve, riveting mould is returned, after return action completes, all electromagnet power-off, fluid is through each valve oil return box, piston and piston rod reset, and complete a whole set of hydraulic operation.
This hydraulic system have employed modularized design, reduce in hydraulic integrated system as all kinds of hydraulic valve of control unit and fluid passage as far as possible, adopt the inserted valve and pressure sensor with high stable performance to control safe oil pressure, decrease riveting machine hydraulic shock in the course of the work, vibrations and noise, hydraulic system working pressure is more stable, decrease mechanical disorder, avoid shutting down because of pipeline leakage, improve the operating efficiency of riveting machine, double pump system effectively improves the continuity of production line, pressure display intuitively is more conducive to riveting quality with adjustment and controls.
After detailed description embodiment of the present utility model, the personage being familiar with this technology can be well understood to, do not departing under above-mentioned claim and spirit and can carry out various change and amendment, all above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all belong to the scope of technical solutions of the utility model, and the utility model is not also limited to the embodiment of example in description.
Claims (4)
1. double pump vertical compression riveting machine integrated hydraulic system, comprise hydraulic oil pump and fuel tank, it is characterized in that: the control system integration of described integrated hydraulic system is arranged on double pump integrated valve block, oil circuit is offered in integrated valve block, integrated valve block is provided with actuator port and oil return opening, riveting pincers oil cylinder is connected on integrated valve block by high-pressure oil pipe, integrated valve block is provided with control unit, described control unit is by inserted valve, inserted valve cover plate and directional control valve composition, control unit controls advance and the backhaul of riveting pincers piston rod, described oil circuit is provided with pressure sensor, pressure sensor is connected to PLC control system, described oil circuit is provided with pressure digital display device.
2. double pump vertical compression riveting machine integrated hydraulic system according to claim 1, is characterized in that: described integrated hydraulic system is connected with and comprises hydraulic oil circulation filtering system, air filter, hydraulic oil cooling system.
3. double pump vertical compression riveting machine integrated hydraulic system according to claim 1, is characterized in that: described hydraulic oil pump is two, and hydraulic oil pump adopts variable displacement with constant power pump, and two pump a preparation and a use, are all connected to PLC control system.
4. double pump vertical compression riveting machine integrated hydraulic system according to claim 1, is characterized in that: described inserted valve cover plate and directional control valve are all with commutation damping adjusting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520472797.5U CN204867281U (en) | 2015-06-30 | 2015-06-30 | Integrated hydraulic system of double pump vertical compression riveter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520472797.5U CN204867281U (en) | 2015-06-30 | 2015-06-30 | Integrated hydraulic system of double pump vertical compression riveter |
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| Publication Number | Publication Date |
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| CN204867281U true CN204867281U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520472797.5U Active CN204867281U (en) | 2015-06-30 | 2015-06-30 | Integrated hydraulic system of double pump vertical compression riveter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864502A (en) * | 2016-06-03 | 2016-08-17 | 南京工程学院 | Integrated valve block device with mechanical and electric double protection |
| CN108714676A (en) * | 2017-03-24 | 2018-10-30 | 伯尔霍夫连接技术有限公司 | Multi-step attachment device and attaching method thereof |
-
2015
- 2015-06-30 CN CN201520472797.5U patent/CN204867281U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864502A (en) * | 2016-06-03 | 2016-08-17 | 南京工程学院 | Integrated valve block device with mechanical and electric double protection |
| CN108714676A (en) * | 2017-03-24 | 2018-10-30 | 伯尔霍夫连接技术有限公司 | Multi-step attachment device and attaching method thereof |
| US10589341B2 (en) | 2017-03-24 | 2020-03-17 | Böllhoff Verbindungstechnik GmbH | Multi-step joining device and joining method therefor |
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