CN101468380A - Riveting machine - Google Patents
Riveting machine Download PDFInfo
- Publication number
- CN101468380A CN101468380A CNA2007101608353A CN200710160835A CN101468380A CN 101468380 A CN101468380 A CN 101468380A CN A2007101608353 A CNA2007101608353 A CN A2007101608353A CN 200710160835 A CN200710160835 A CN 200710160835A CN 101468380 A CN101468380 A CN 101468380A
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- oil
- control valve
- directional control
- solenoid directional
- oil cylinder
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Abstract
The invention relates to a riveting machine. The riveting machine comprises a rivet drawing gun and a drive device; the rivet drawing gun comprises a hydraulic oil cylinder and a gun barrel; the hydraulic oil cylinder is divided into an oil cylinder front cavity and an oil cylinder rear cavity which are not communicated by a sliding plunger in the hydraulic oil cylinder; the tail end of the gun barrel is connected with the plunger; the front end of the gun barrel extends out from the inside of the hydraulic oil cylinder; the drive device comprises a first oil tank, a hydraulic pump, a first electromagnetic reversing valve and a second oil tank which are sequentially connected through oil pipes; and one oil inlet and one oil outlet of the first electromagnetic reversing valve are connected with the oil cylinder rear cavity and the oil cylinder front cavity respectively and can be reversely switched, so that oil liquid in the first oil tank flows to the oil cylinder front cavity or the oil cylinder rear cavity and further drives the gun barrel to stretch back and forth for carrying out rivet drawing and withdrawing action. The riveting machine directly uses hydraulic control, has a simple structure, lower price, lower operation and maintenance cost, large pulling force, stable operation, high efficiency, convenient operation and use, and strong suitability.
Description
Technical field
The present invention relates to a kind of riveted joint aid, relate in particular to the rivet driver that a kind of pulling rivet is used.
Background technology
Container is as the important tool of shipping, obtained swift and violent development in recent years, complete container must be assembled by a plurality of parts and form, and assembles that a kind of important mode is exactly a secure bond in the mode between the parts, and for example the chamber door locking bar of container is fixing.Interface unit the most commonly used is exactly a rivet in above-mentioned chamber door locking bar fixing, this rivet is the hollow structure made from easily deformable metal material, during installation, earlier rivet is penetrated in the hole that sets in advance, make its two ends form the head of large-size by the pulling of the rivet gun on rivet driver rivet again, and packing is on two adjacent assemblies, thereby makes the fastening combination of adjacent component.Yet, the rivet gun that uses on rivet driver at present is a kind of pneumatic rivet gun, the pneumatic rivet gun of this kind utilizes compressed air to be converted to oil pressure to carry out work, the strength of its blind rivet depends on the height of air pressure, in use again since rivet not to be the pull-off force of very regular every nail different, use and be not very stable, and the price of the pneumatic rivet gun of this kind is higher, the operational failure rate is also high and then cause maintenance cost very high.
Summary of the invention
Main purpose of the present invention is, provides a kind of integral body by hydraulically powered, stable and price and all lower rivet driver of maintenance cost.
In order to realize above-mentioned purpose, the invention provides a kind of rivet driver, the drive unit that comprises rivet gun and rivet gun, described rivet gun comprises a hydraulic jack and a gun barrel, described hydraulic jack inside is provided with a plunger slidably, thereby described hydraulic jack is separated into oil cylinder ante-chamber and the oil cylinder back cavity that does not communicate, the tail end of described gun barrel links to each other with described plunger, and the axis of described gun barrel overlaps with the axis of described plunger, and the front end of described gun barrel stretches out from described hydraulic jack inside; Described drive unit comprises a motor and one first fuel tank that links to each other successively by oil pipe, one hydraulic pump, one first solenoid directional control valve and one second fuel tank, described motor links to each other with described hydraulic pump to drive its work, an oil-in of described first solenoid directional control valve and an oil-out are connected with described oil cylinder back cavity and oil cylinder ante-chamber respectively and also can oppositely switch, flow into described oil cylinder ante-chamber or oil cylinder back cavity after making the interior fluid of described first fuel tank of described hydraulic pump drive flow to described solenoid directional control valve, and then slide before and after controlling described plunger, move back the nail action to drive elastic the drawing of described gun barrel, described second fuel tank reclaims the fluid that the described first solenoid directional control valve oil-out flows out.
Described drive unit also comprises an oil pressure gauge, one second solenoid directional control valve, an overflow valve and one the 3rd fuel tank, described oil pressure gauge is connected between described hydraulic pump and described first magnetic valve, so that the oil pressure in the oil circuit is monitored, described second solenoid directional control valve and described overflow valve are connected between described oil pressure gauge and described the 3rd fuel tank by described oil pipe respectively, flow into described the 3rd fuel tank so that surpass the fluid of oil pressure gauge limit value scope in the oil circuit by described second solenoid directional control valve and described overflow valve.
Also be connected with a check valve between described oil pressure gauge and described first solenoid directional control valve.
Described second solenoid directional control valve is the solenoid directional control valve of a 2/2-way.
Be connected with a pressure switch between described first solenoid directional control valve and the described hydraulic jack, described pressure switch is at the circuit that cuts off described motor and described hydraulic pump after the nail action is finished that moves back of described gun barrel.
Described first solenoid directional control valve is the solenoid directional control valve of one or two four-way.
The present invention has following beneficial effect, rivet driver of the present invention directly uses hydraulic control, it is simple in structure, price is lower, the operating maintenance cost is also lower, and its pulling force is big, stable, efficient is high, easy for operation, cooperate and to select for use dissimilar gun barrels promptly applicable to all types of structural bolt and rivet.
Description of drawings
Fig. 1 is the structural representation of rivet driver of the present invention;
Fig. 2 is the hydraulic control schematic diagram of rivet driver of the present invention;
Fig. 3 is the electrical equipment control schematic diagram of rivet driver of the present invention.
The specific embodiment
Rivet driver of the present invention can be applicable on the blind rivet of door lock rod of container, and is in order to further specify principle of the present invention and structure, existing in conjunction with the accompanying drawings to a preferred embodiment of the present invention will be described in detail.
See also shown in Figure 1ly, rivet driver of the present invention comprises rivet gun 1 and drive unit 2.
Please in conjunction with consulting Fig. 2 to shown in Figure 3, a hydraulic jack 12 and a gun barrel 13 that this rivet gun 1 comprises housing 11 and is arranged on these housing 11 inside.The handle 112 that this housing 11 comprises rifle body 111 and is connected these rifle body 111 belows, the inside of this housing 11 are hollow structure, and front end and bottom are provided with opening.This hydraulic jack 12 comprises cylinder body 121, a plunger 122 and a plunger rod 123.These hydraulic jack 12 integral body are placed in the inside of this rifle body 111, the internal diameter of the external diameter of this plunger 122 and this cylinder body 121 is suitable, so that this plunger 122 is vertically mounted on this cylinder body 121 inside slidably, and this cylinder body 121 is separated into oil cylinder ante-chamber 1211 and the oil cylinder back cavity 1212 that does not communicate, the front end of this plunger rod 123 is connected the center, rear end of this plunger 122.The tail end of this gun barrel 13 links to each other with the front end of this plunger 122, and the axis of this gun barrel 13 overlaps with the axis of this plunger 122, the front end of this gun barrel 13 stretches out from the opening part of these rifle body 111 front ends, to be used for the bar core of clamping rivet, this plunger 122 slides along the inner chamber of this hydraulic jack 12, and this gun barrel 13 is elastic to move back the nail action to draw thereby spur.
This drive unit 2 comprises a motor M, a shift knob SB, three fuel tanks (being defined as first fuel tank 21, second fuel tank 22 and the 3rd fuel tank 23 respectively), a hydraulic pump 24, a check valve 25, one first solenoid directional control valve DT1, a pressure switch 26, an oil pressure gauge 27, one second solenoid directional control valve DT2, an overflow valve 28 and multiple-tubing string 29.
This motor M is a common three phase alternating current motor, and the power of motor of selecting for use in the present embodiment is 1.5KW, and the power of this motor M also can change according to actual needs to some extent.
This shift knob SB is the gauge tap of this drive unit 2, it is installed in a side of above-mentioned handle 112, and be connected with the control circuit of this drive unit 2, can how to control this shift knob SB when hereinafter the action situation of this drive unit 2 being described and carry out detailed narration, so locate to skip in conjunction with the electrical equipment control schematic diagram.
The inlet of this hydraulic pump 24 and outlet interlink by the import of this oil pipe 29 with this first fuel tank 21 and this check valve 25 respectively.The outlet of this check valve 25 is communicated to the oil-in of this first solenoid directional control valve DT1 by this oil pipe 29.This first solenoid directional control valve DT1 is the solenoid directional control valve of one or two four-way, its working power is the direct current of 24V, when this first solenoid directional control valve DT1 switched on, the oil-out of this first solenoid directional control valve DT1 and another oil-in interlinked by this oil pipe 29 and this oil cylinder ante-chamber 1211 and this oil cylinder back cavity 1212 respectively; When this first solenoid directional control valve DT1 cut off the power supply, another oil-in of this first solenoid directional control valve DT1 and an oil-out interlinked by this oil pipe 29 and this oil cylinder ante-chamber 1211 and this oil cylinder back cavity 1212 respectively.Be connected with this pressure switch 26 between this solenoid directional control valve DT1 and this oil cylinder ante-chamber 1211, another oil-out of this solenoid directional control valve DT1 interlinks with this second fuel tank 22 by this oil pipe 29.This oil pressure gauge 27 is connected between this hydraulic pump 24 and this check valve 25, so that the oil pressure in the oil circuit is monitored.This second solenoid directional control valve DT2 is the solenoid directional control valve of a 2/2-way, its working power also is the direct current of 24V, this second solenoid directional control valve DT2 and this overflow valve 28 are connected between this oil pressure gauge 27 and the 3rd fuel tank 23 by this oil pipe 29 respectively, can flow into the 3rd fuel tank 23 by this second solenoid directional control valve DT2 and this overflow valve 28 so that surpass the fluid of these oil pressure gauge 27 limit value scopes in the oil circuit.
Be described in detail as follows below in conjunction with electrical equipment control schematic diagram shown in Figure 3 driving and action situation with this drive unit 2: this motor M links to each other with external power source after connecting a contactor KM and a motor overload protection device Q1; the output voltage of external power source through a transformation rectification circuit after output 24V direct current, the galvanic output of this 24V is connected with this first solenoid directional control valve DT1 and this second solenoid directional control valve DT2 after connecting a relay K A1 and KA2 respectively.
During blind rivet, at first press this switch S B, thereby this relay K A1 conducting, this first solenoid directional control valve DT1 action of switching on, the conducting of this relay K A1 makes this relay K A2 and this contactor KM conducting thereupon again, the conducting of contactor KM makes this motor M energising begin to rotate, and the conducting of relay K A2 makes this second solenoid directional control valve DT2 energising move.Fluid in this first fuel tank 21 flows in this check valve 25 through this hydraulic pump 24, after this check valve 25 backed down through flowing into behind this first solenoid directional control valve DT1 in this oil cylinder ante-chamber 1211, flow back in second fuel tank 22 behind this first solenoid directional control valve of fluid process DT1 in the fuel tank back cavity 1212, thereby promoting this plunger 122 slides backward, and then drive this gun barrel 13 and retreat blind rivet, when the pressure of fluid in the oil circuit surpasses the limit value of this oil pressure gauge 27, the fluid of superpressure part flows in the 3rd fuel tank 23 by this second solenoid directional control valve DT2 and this overflow valve 28, to finish the drain charge operation.
After nail is broken, trip switch SB, thereby this relay K A1 disconnects, and the relay K A2 of this moment and contactor KM continue conducting, the disconnection of this relay K A1 causes this first solenoid directional control valve DT1 outage, and fluid flows in this fuel tank back cavity 1212, and the fluid in this fuel tank ante-chamber 1211 flows back in this second fuel tank 22, thereby this plunger 122 resets to front slide, drives this gun barrel 123 and finishes and move back the nail action.And because and this moment relay K A2 and contactor KM continue conducting, this second solenoid directional control valve DT2 continues the action drain charge.When moving back after nail action finishes, this pressure switch 26 and this time relay KT disconnect, and cause the disconnection of AC relay KA2 and contactor KM, thereby this motor M stops action, the oil circuit of this second solenoid directional control valve DT2 ends, and this rivet gun 1 integral body quits work.When entering next blind rivet during the action cycle, as long as repeat above-mentioned operation.
Rivet driver of the present invention directly uses hydraulic control, it is simple in structure, price is lower, the operating maintenance cost is also lower, and its pulling force is big, stable, efficient is high, easy for operation, cooperate and to select for use dissimilar gun barrels promptly applicable to all types of structural bolt and rivet.
Yet the above only is a preferable possible embodiments of the present invention, and unrestricted protection scope of the present invention, so the equivalent structure that all utilizations specification of the present invention and accompanying drawing content have been done changes, all is included in protection scope of the present invention.
Claims (6)
1. rivet driver comprises it is characterized in that the drive unit of rivet gun and rivet gun,
Described rivet gun comprises a hydraulic jack and a gun barrel, described hydraulic jack inside is provided with a plunger slidably, thereby described hydraulic jack is separated into oil cylinder ante-chamber and the oil cylinder back cavity that does not communicate, the tail end of described gun barrel links to each other with described plunger, and the axis of described gun barrel overlaps with the axis of described plunger, and the front end of described gun barrel stretches out from described hydraulic jack inside;
Described drive unit comprises a motor and one first fuel tank that links to each other successively by oil pipe, one hydraulic pump, one first solenoid directional control valve and one second fuel tank, described motor links to each other with described hydraulic pump to drive its work, an oil-in of described first solenoid directional control valve and an oil-out are connected with described oil cylinder back cavity and oil cylinder ante-chamber respectively and also can oppositely switch, flow into described oil cylinder ante-chamber or oil cylinder back cavity after making the interior fluid of described first fuel tank of described hydraulic pump drive flow to described solenoid directional control valve, and then slide before and after controlling described plunger, move back the nail action to drive elastic the drawing of described gun barrel, described second fuel tank reclaims the fluid that the described first solenoid directional control valve oil-out flows out.
2. rivet driver according to claim 1, it is characterized in that, described drive unit also comprises an oil pressure gauge, one second solenoid directional control valve, one overflow valve and one the 3rd fuel tank, described oil pressure gauge is connected between described hydraulic pump and described first magnetic valve, so that the oil pressure in the oil circuit is monitored, described second solenoid directional control valve and described overflow valve are connected between described oil pressure gauge and described the 3rd fuel tank by described oil pipe respectively, flow into described the 3rd fuel tank so that surpass the fluid of oil pressure gauge limit value scope in the oil circuit by described second solenoid directional control valve and described overflow valve.
3. rivet driver according to claim 2 is characterized in that, also is connected with a check valve between described oil pressure gauge and described first solenoid directional control valve.
4. rivet driver according to claim 2 is characterized in that, described second solenoid directional control valve is the solenoid directional control valve of a 2/2-way.
5. rivet driver according to claim 1, it is characterized in that, be connected with a pressure switch between described first solenoid directional control valve and the described hydraulic jack, described pressure switch is at the circuit that cuts off described motor and described hydraulic pump after the nail action is finished that moves back of described gun barrel.
6. rivet driver according to claim 1 is characterized in that, described first solenoid directional control valve is the solenoid directional control valve of one or two four-way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101608353A CN101468380A (en) | 2007-12-27 | 2007-12-27 | Riveting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101608353A CN101468380A (en) | 2007-12-27 | 2007-12-27 | Riveting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101468380A true CN101468380A (en) | 2009-07-01 |
Family
ID=40826324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101608353A Pending CN101468380A (en) | 2007-12-27 | 2007-12-27 | Riveting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101468380A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240770A (en) * | 2011-06-22 | 2011-11-16 | 李俊 | Riveting machine special for high-strength rivet and hydraulic power unit |
| CN104493052A (en) * | 2014-12-23 | 2015-04-08 | 常州市博聪儿童用品有限公司 | Rivet stamping unit |
| CN104550618A (en) * | 2015-01-29 | 2015-04-29 | 华东交通大学 | Pneumohydraulic self-piercing riveting machine |
| CN113565745A (en) * | 2021-07-29 | 2021-10-29 | 一汽解放汽车有限公司 | Method for reducing standby energy consumption of riveting machine |
-
2007
- 2007-12-27 CN CNA2007101608353A patent/CN101468380A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240770A (en) * | 2011-06-22 | 2011-11-16 | 李俊 | Riveting machine special for high-strength rivet and hydraulic power unit |
| CN102240770B (en) * | 2011-06-22 | 2013-07-31 | 李俊 | Riveting machine special for high-strength rivet and hydraulic power unit |
| CN104493052A (en) * | 2014-12-23 | 2015-04-08 | 常州市博聪儿童用品有限公司 | Rivet stamping unit |
| CN104550618A (en) * | 2015-01-29 | 2015-04-29 | 华东交通大学 | Pneumohydraulic self-piercing riveting machine |
| CN113565745A (en) * | 2021-07-29 | 2021-10-29 | 一汽解放汽车有限公司 | Method for reducing standby energy consumption of riveting machine |
| CN113565745B (en) * | 2021-07-29 | 2023-05-05 | 一汽解放汽车有限公司 | Method for reducing standby energy consumption of riveting machine |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090701 |