CN202411785U - Constant-pressure valve pressure distribution machine - Google Patents
Constant-pressure valve pressure distribution machine Download PDFInfo
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- CN202411785U CN202411785U CN 201120535477 CN201120535477U CN202411785U CN 202411785 U CN202411785 U CN 202411785U CN 201120535477 CN201120535477 CN 201120535477 CN 201120535477 U CN201120535477 U CN 201120535477U CN 202411785 U CN202411785 U CN 202411785U
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Abstract
The utility model relates to a constant-pressure valve pressure distribution machine, comprising an oil tank; a constant-pressure variable pump is arranged above the oil tank and is connected with a variable pump driving mechanism; a liquid outlet of the constant-pressure variable pump is connected with a first oil pipeline; the first oil pipeline is connected with a second oil pipeline and a third oil pipeline through a precision electromagnetic change valve; the second oil pipeline is provided with a one-way fast electromagnetic stop valve; the third oil pipeline is provided with a precision manual flow control valve; a piston rod of a servo cylinder is provided with a load sensor for detecting pressure distribution force of the piston rod; the load sensor and the one-way fast electromagnetic stop valve are connected with a pressure distribution controller; after the piston rod of the servo cylinder moves by a set distance, the pressure distribution controller makes the servo cylinder stop through the one-way fast electromagnetic stop valve, and the pressure distribution controller confirms a pressure distribution process according to the pressure distribution force detected by the load sensor. The constant-pressure valve pressure distribution machine provided by the utility model has the advantages of simple and compact structure, convenient use and maintenance, high pressure distribution precision, high range of application, security and reliability.
Description
Technical field
The utility model relates to a kind of equipment that is press-fitted, and especially a kind of constant pressure valve is press-fitted machine, belongs to the technical field of constant pressure valve assembling.
Background technology
Along with expanding economy, the continuous upgrading of manufacturing industry technology improves constantly existing parts processing request, and is also increasingly high for the requirement that parts press-fit, and particularly press-fiting of auto parts and components industry had higher requirement.Many to large-scale precision press-loading device research at present, can be difficult to satisfy being press-fitted requirement accordingly for small-sized and fewer for the less precise press research of pressure assembling force.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art, provides a kind of constant pressure valve to be press-fitted machine, and it is simple and compact for structure, uses easy to maintenancely, is press-fitted the precision height, improves accommodation, and is safe and reliable.
According to the technical scheme that the utility model provides, said constant pressure valve is press-fitted machine, comprises the fuel tank that is used to hold hydraulic oil; Said fuel tank top is provided with the constant pressure variable displacement pump that is used to extract hydraulic oil in the fuel tank, and constant pressure variable displacement pump links to each other with the variable pump driving mechanism that is used for the rotation of driving constant voltage variable pump; The liquid outlet of said constant pressure variable displacement pump links to each other with first petroleum pipeline, said first petroleum pipeline through accurate solenoid directional control valve be used for second petroleum pipeline that hydraulic oil in the servo-cylinder is refluxed and be used for that the 3rd petroleum pipeline of oiling links to each other in servo-cylinder; Said second petroleum pipeline is provided with unidirectional quick electromagnetic stop valve, and the 3rd petroleum pipeline is provided with accurate manually flow control valve; The piston rod of servo-cylinder is provided with and is used to detect the load sensor that piston rod is press-fitted power, said load sensor and unidirectional quick electromagnetic stop valve be press-fitted controller and link to each other; After the piston rod of servo-cylinder moves setpoint distance, be press-fitted controller and make servo-cylinder stop, and be press-fitted the power that is press-fitted that controller detects according to load sensor and be press-fitted process and confirm through unidirectional quick electromagnetic stop valve.
Said first petroleum pipeline is provided with the 4th petroleum pipeline, and said first petroleum pipeline is connected with the 4th petroleum pipeline, and the 4th petroleum pipeline is provided with safety overflow valve; First petroleum pipeline refluxes hydraulic oil in the fuel tank after through the 4th petroleum pipeline and safety overflow valve corresponding matching.
Said first petroleum pipeline is provided with the Pressure gauge that is used to detect the first petroleum pipeline internal pressure.Said accurate solenoid directional control valve is provided with the 5th petroleum pipeline, and said the 5th petroleum pipeline is provided with cooling system, said cooling system be press-fitted controller and link to each other, make that the hydraulic fluid temperature that is back in the fuel tank through the 5th petroleum pipeline is 40 ℃ ~ 50 ℃.
The said controller that is press-fitted adopts PLC.Said servo-cylinder is provided with the grating chi, and said grating chi links to each other with the input that is press-fitted controller, is press-fitted controller is confirmed the servo-cylinder piston rod according to the grating chi displacement.
Said servo-cylinder is provided with the destressing support.Said variable pump driving mechanism comprises motor.The piston rod of said servo-cylinder is provided with constant pressure delivery valve, and said constant pressure delivery valve is pressed in the frock through servo-cylinder.
The advantage of the utility model: extract the hydraulic oil in the fuel tank through constant pressure variable displacement pump; First petroleum pipeline is connected with second petroleum pipeline and the 3rd petroleum pipeline through accurate magnetic valve simultaneously; Unidirectional quick electromagnetic stop valve is set on second petroleum pipeline; Accurate manually flow control valve is set on the 3rd petroleum pipeline, and can accurately controls the piston rod translational speed of servo-cylinder through cooling system; After being press-fitted controller and turn-offing unidirectional quick electromagnetic stop valve, can make servo-cylinder accurately rest on the relevant position, can detect the power that is pressed into that obtains the relevant position through load sensor; Whether be press-fitted controller qualified to the process that is press-fitted of constant pressure delivery valve according to the power that the is pressed into judgement that load sensor detects; Simple and compact for structure, use easy to maintenancely, be press-fitted the precision height; Improve accommodation, safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structured flowchart of the utility model circuit structure.
The specific embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
Like Fig. 1 ~ shown in Figure 2: the utility model comprises fuel tank 1; Motor 2; First petroleum pipeline 3; The 4th petroleum pipeline 4; Safety overflow valve 5; Cooling system 6; Pressure gauge 7; Accurate solenoid directional control valve 8; Second petroleum pipeline 9; Unidirectional quick electromagnetic stop valve 10; Accurate manually flow control valve 11; Servo-cylinder 12; Destressing support 13; Load sensor 14; Constant pressure delivery valve 15; Be press-fitted controller 16; Grating chi 17; The 3rd petroleum pipeline 18; Constant pressure variable displacement pump 19; Frock 20 and the 5th petroleum pipeline 21.
As depicted in figs. 1 and 2: press-fit in order to carry out precision to constant pressure delivery valve 15, said constant pressure delivery valve 15 presses fit in the frock 20 through servo-cylinder 12.Particularly, have grating chi 17 on the said servo-cylinder 12, can detect the piston rod displacement of servo-cylinder 12 through grating chi 17; The piston rod of servo-cylinder 12 is provided with load sensor 14, said load sensor 14 and grating chi 17 all be press-fitted controller 16 and link to each other; The power that is pressed into when load sensor 14 is used to detect servo-cylinder 12 constant pressure delivery valve 15 is pressed into the relevant position, be press-fitted the power that is pressed into that controller 16 detects according to load sensor 14 judge constant pressure delivery valve 15 whether press-fit process qualified.When press-fiting, need accurately control the motion of servo-cylinder 12, to reach the requirement that precision press-fits through 12 pairs of constant pressure delivery valves 15 of servo-cylinder.Servo-cylinder 12 installs and fixes through destressing support 13, after servo-cylinder 12 installs and fixes through destressing support 13, can improve and press-fits precision.The piston rod displacement of servo-cylinder 12 and speed through hydraulic system be press-fitted controller 16 corresponding matching and accurately control.
Particularly, said servo-cylinder 12 is provided with second petroleum pipeline 9 and the 3rd petroleum pipeline 18, in servo-cylinder 12, injects hydraulic oil through the 3rd petroleum pipeline 18, and will inject the hydraulic oil backflow output in the servo-cylinder 12 through second petroleum pipeline 9; Thereby form a hydraulic system circulation, the piston rod that promotes servo-cylinder 12 moves in required speed, so that constant pressure delivery valve 15 is pressed in the frock 20.Second petroleum pipeline 9 and the 3rd petroleum pipeline 18 link to each other with first petroleum pipeline 3 through accurate solenoid directional control valve 8, and second petroleum pipeline 9 is provided with unidirectional quick electromagnetic stop valve 10, the three petroleum pipelines 18 and is provided with accurate manually flow control valve 11.First petroleum pipeline 3 links to each other with constant pressure variable displacement pump 19, and said constant pressure variable displacement pump 19 drives through the variable pump driving mechanism, and in the present embodiment, the variable pump driving mechanism is a motor 2.After 19 rotations of motor 2 driving constant voltage variable pumps, can the hydraulic oil in the below fuel tank 1 be extracted out.Also be provided with Pressure gauge 7 on first petroleum pipeline 3, can access the pressure in first petroleum pipeline 3 through Pressure gauge 7.First petroleum pipeline 3 links to each other with the 4th petroleum pipeline 4, and said the 4th petroleum pipeline 4 is provided with safety overflow valve 5, when the pressure in first petroleum pipeline 3 is excessive, can hydraulic oil be back in the fuel tank 1 through the corresponding matching of the 4th petroleum pipeline 4 with safety overflow valve 5.
Viscosity reduces because the hydraulic pressure oil viscosity is along with hydraulic fluid temperature height, and the speed that causes servo-cylinder 12 is by accelerating slowly, so temperature has very big influence to the speed stability of servo-cylinder 12.In order to control the temperature of hydraulic oil, the said controller 16 that is press-fitted links to each other with cooling system 6, and said cooling system 6 adopts air-cooled, and cooling system 6 can make the hydraulic fluid temperature that is back in the fuel tank 1 remain on 40 ℃ ~ 50 ℃, is generally 45 ℃; The piston rod translational speed of assurance servo-cylinder 12 is temperature influence not.The said controller 16 that is press-fitted adopts PLC (programmable logic controller (PLC)), also can other microprocessors.
In order accurately to press-fit control to constant pressure delivery valve 15, the output that is press-fitted controller 16 links to each other with motor 2, and simultaneously accurate magnetic valve reversal valve 8, safety overflow valve 5 and unidirectional quick electromagnetic stop valve 10 all link to each other with the output that is press-fitted controller 16; Grating chi 17 and load sensor 14 be press-fitted controller 16 and be connected after, form the control system of the machine that is press-fitted.Load sensor 14 can adopt the pressure sensor that can measure the corresponding power of being pressed into.
As depicted in figs. 1 and 2: during use, energized, setting press-fits parameter accordingly, and the primer fluid pressing system is put into frock 20 with constant pressure delivery valve 15, and the startup of ready back press-fits program.When press-fiting beginning, be press-fitted controller 16 starter motors 2, and, make the win petroleum pipeline 3 and second petroleum pipeline 9 and the 3rd petroleum pipeline 18 be in connected state the corresponding state of accurate solenoid directional control valve 8 gatings.After motor 2 started, 2 driving constant voltage variable pumps 19 rotated, and constant pressure variable displacement pump 19 is extracted the hydraulic oil in the fuel tank 1 out; Hydraulic oil in first petroleum pipeline 3 injects in the servo-cylinder 12 through the 3rd petroleum pipeline 18; Accurate manually flow control valve 11 through on the 3rd petroleum pipeline 18 can accurately be controlled the injection rate in servo-cylinder 12; And servo-cylinder 12 refluxes the hydraulic oil that injects through second petroleum pipeline 9 and forms hydraulic system; Make the piston rod of servo-cylinder 12 under the low speed of setting, to move, in the present embodiment, the piston rod translational speed of servo-cylinder 12 is 0.16mm/s.Along with the piston rod of servo-cylinder 12 is constantly mobile, can constant pressure delivery valve 15 be pressed in the frock 20.Grating chi 17 on the servo-cylinder 12 can be press-fitted the piston rod displacement input of servo-cylinder 12 in the controller 16; When displacement that grating chi 17 detects be press-fitted controller 16 in the parameter of setting when consistent, be press-fitted controller 16 and make unidirectional quick electromagnetic stop valve 10 disconnections.After unidirectional quick electromagnetic stop valve 10 broke off, the hydraulic oil reflux circuits in the servo-cylinder 12 turn-offed, and made the piston rod stop motion of servo-cylinder 12.Because response time of unidirectional quick electromagnetic stop valve 10 is short, and the piston rod translational speed of servo-cylinder 12 ground, after being press-fitted controller 16 and making that unidirectional quick electromagnetic stop valve 10 breaks off, can servo-cylinder 12 accurately be stopped at the relevant position.When servo-cylinder 12 stops at the relevant position, load on the power that is pressed on the constant pressure delivery valve 15 this moment through load sensor 14 detections, the said power of being pressed into is generally 2.43KN ~ 3.43KN.When load sensor 14 input is press-fitted the power that is pressed in the controller 16 and is positioned at above-mentioned pressure limit, can think constant pressure delivery valve 15 to press-fit process qualified, otherwise, constant pressure delivery valve 15 to press-fit process defective.Be press-fitted controller 16 and can show through the flicker of controlling corresponding indicator lamp and press-fit testing result accordingly, can accurately control and judge the process that press-fits of constant pressure delivery valve 15.Simultaneously, be press-fitted the duty that controller 16 can be controlled cooling system 6, make the hydraulic fluid temperature that refluxes through servo-cylinder 12 remain in the design temperature scope, guarantee that the piston rod of servo-cylinder 12 press-fits the stability of process; Press-fit repeatable accuracy and can reach 0.02mm.
The hydraulic oil that the utility model extracts in the fuel tank 1 through constant pressure variable displacement pump 19; Through accurate magnetic valve 8 first petroleum pipeline 3 is connected with second petroleum pipeline 9 and the 3rd petroleum pipeline 18 simultaneously; Unidirectional quick electromagnetic stop valve 10 is set on second petroleum pipeline 9; Accurate manually flow control valve 11 is set on the 3rd petroleum pipeline 18, and can accurately controls the piston rod translational speed of servo-cylinder 12 through cooling system 6; After being press-fitted the unidirectional quick electromagnetic stop valve 10 of controller 16 shutoffs, can make servo-cylinder 12 accurately rest on the relevant position, can detect the power that is pressed into that obtains the relevant position through load sensor 14; Whether be press-fitted controller 16 qualified to the process that is press-fitted of constant pressure delivery valve 15 according to the power that the is pressed into judgement that load sensor 14 detects; Simple and compact for structure, use easy to maintenancely, be press-fitted the precision height; Improve accommodation, safe and reliable.
Claims (9)
1. a constant pressure valve is press-fitted machine, comprises the fuel tank (1) that is used to hold hydraulic oil; It is characterized in that: said fuel tank (1) top is provided with the constant pressure variable displacement pump (19) that is used to extract the interior hydraulic oil of fuel tank (1), and constant pressure variable displacement pump (19) links to each other with the variable pump driving mechanism that is used for driving constant voltage variable pump (19) rotation; The liquid outlet of said constant pressure variable displacement pump (19) links to each other with first petroleum pipeline (3), and said first petroleum pipeline (3) links to each other with the 3rd petroleum pipeline (18) that is used for second petroleum pipeline (9) that the interior hydraulic oil of servo-cylinder (12) is refluxed and is used for oiling in servo-cylinder (12) through accurate solenoid directional control valve (8); Said second petroleum pipeline (9) is provided with unidirectional quick electromagnetic stop valve (10), and the 3rd petroleum pipeline (18) is provided with accurate manually flow control valve (11); The piston rod of servo-cylinder (12) is provided with and is used to detect the load sensor (14) that piston rod is press-fitted power, said load sensor (14) and unidirectional quick electromagnetic stop valve (10) be press-fitted controller (16) and link to each other; After the piston rod of servo-cylinder (12) moves setpoint distance; Be press-fitted controller (16) and make servo-cylinder (12) stop, and be press-fitted the power that is press-fitted that controller (16) detects according to load sensor (14) and be press-fitted process and confirm through unidirectional quick electromagnetic stop valve (10).
2. constant pressure valve according to claim 1 is press-fitted machine; It is characterized in that: said first petroleum pipeline (3) is provided with the 4th petroleum pipeline (4); Said first petroleum pipeline (3) is connected with the 4th petroleum pipeline (4), and the 4th petroleum pipeline (4) is provided with safety overflow valve (5); First petroleum pipeline (3) refluxes hydraulic oil in the fuel tank (1) after through the 4th petroleum pipeline (4) and safety overflow valve (5) corresponding matching.
3. constant pressure valve according to claim 1 is press-fitted machine, it is characterized in that: said first petroleum pipeline (3) is provided with the Pressure gauge (7) that is used to detect first petroleum pipeline (3) internal pressure.
4. constant pressure valve according to claim 1 is press-fitted machine; It is characterized in that: said accurate solenoid directional control valve (8) is provided with the 5th petroleum pipeline (21); Said the 5th petroleum pipeline (21) is provided with cooling system (6); Said cooling system (6) be press-fitted controller (16) and link to each other, make that being back to the interior hydraulic fluid temperature of fuel tank (1) through the 5th petroleum pipeline (21) is 40 ℃ ~ 50 ℃.
5. constant pressure valve according to claim 1 is press-fitted machine, it is characterized in that: the said controller (16) that is press-fitted adopts PLC.
6. constant pressure valve according to claim 1 is press-fitted machine; It is characterized in that: said servo-cylinder (12) is provided with grating chi (17); Said grating chi (17) links to each other with the input that is press-fitted controller (16), is press-fitted controller (16) is confirmed servo-cylinder (12) piston rod according to grating chi (17) displacement.
7. constant pressure valve according to claim 1 is press-fitted machine, it is characterized in that: said servo-cylinder (12) is provided with destressing support (13).
8. constant pressure valve according to claim 1 is press-fitted machine, it is characterized in that: said variable pump driving mechanism comprises motor (2).
9. constant pressure valve according to claim 1 is press-fitted machine, it is characterized in that: the piston rod of said servo-cylinder (12) is provided with constant pressure delivery valve (15), and said constant pressure delivery valve (15) is pressed in the frock (20) through servo-cylinder (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120535477 CN202411785U (en) | 2011-12-20 | 2011-12-20 | Constant-pressure valve pressure distribution machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120535477 CN202411785U (en) | 2011-12-20 | 2011-12-20 | Constant-pressure valve pressure distribution machine |
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| Publication Number | Publication Date |
|---|---|
| CN202411785U true CN202411785U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120535477 Expired - Lifetime CN202411785U (en) | 2011-12-20 | 2011-12-20 | Constant-pressure valve pressure distribution machine |
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| Country | Link |
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| CN (1) | CN202411785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513814A (en) * | 2011-12-20 | 2012-06-27 | 无锡威孚精密机械制造有限责任公司 | Constant pressure valve press-fit machine |
-
2011
- 2011-12-20 CN CN 201120535477 patent/CN202411785U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513814A (en) * | 2011-12-20 | 2012-06-27 | 无锡威孚精密机械制造有限责任公司 | Constant pressure valve press-fit machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
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| CX01 | Expiry of patent term |