CN204900363U - Powder forming machine's hydraulic system - Google Patents
Powder forming machine's hydraulic system Download PDFInfo
- Publication number
- CN204900363U CN204900363U CN201520579204.5U CN201520579204U CN204900363U CN 204900363 U CN204900363 U CN 204900363U CN 201520579204 U CN201520579204 U CN 201520579204U CN 204900363 U CN204900363 U CN 204900363U
- Authority
- CN
- China
- Prior art keywords
- valve
- way
- plug
- fuel tank
- solenoid directional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000843 powder Substances 0.000 title claims abstract description 12
- 239000002828 fuel tank Substances 0.000 claims description 30
- 230000008859 change Effects 0.000 claims description 20
- 230000009467 reduction Effects 0.000 claims description 20
- 238000004146 energy storage Methods 0.000 claims description 11
- 238000004080 punching Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 14
- 230000006978 adaptation Effects 0.000 abstract description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 abstract 2
- 230000001629 suppression Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 36
- 230000007246 mechanism Effects 0.000 description 6
- 239000000446 fuel Substances 0.000 description 4
- 239000010727 cylinder oil Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/005—Control arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Powder forming machine's hydraulic system. An improve of hydraulic circuit among the powder forming machine is related to. The structure is exquisite, convenient to use and stable good, can effectively solve plug hydro -cylinder not enough problem of oil pressure when forcing the drawing of patterns after the use to with the effective adaptation of other part. Include oil tank, high -pressure pump, low -lift pump, go up interior refunds way, go up outwash return circuit and plug return circuit. Well plug jar can be divided into the suppression action of upward movement and the drawing of patterns action of downstream at the during operation, and wherein, the high -pressure pump is accomplished continued work to force the drawing of patterns. Can effectively solve plug hydro -cylinder not enough problem of oil pressure when forcing the drawing of patterns to effectual adaptation has been realized with the other part.
Description
Technical field
The utility model relates to oil hydraulic circuit field, particularly relates to the improvement of oil hydraulic circuit in powder former.
Background technique
At present, for processing sprocket wheel, gear etc. are containing the powder compacting part of mesopore, plug usually need be added and for driving the plug oil cylinder of plug in powder former; But affecting it by plug kinetic characteristic usually needs high pressure when forced stripper mechanism, runs fast, and therefore, traditional high-pressure service pump can not be adapted to the oil pressure supply during demoulding of plug oil cylinder completely.To this, how solving the problems such as plug oil cylinder oil pressure when forced stripper mechanism in prior art is not enough becomes those skilled in the art's technical problem urgently to be resolved hurrily.
Model utility content
The utility model is for above technical problem, propose a kind of delicate structure, easy to use and good stability, the problem of plug oil cylinder oil pressure deficiency when forced stripper mechanism effectively can be solved after using, and the hydraulic system of the powder former effectively adaptive with miscellaneous part.
The technical solution of the utility model is: comprise fuel tank, high-pressure service pump, low pressure pump, upper interior refunds road, upper outside refunds road and plug loop;
Described interior refunds road comprises the reduction valve one, one-way valve one, the two-position four-way solenoid directional control valve one that are connected successively and above interiorly rushes oil cylinder; Described upper outside refunds road comprises the reduction valve two, one-way valve two, the two-position four-way solenoid directional control valve two that are connected successively and upper outsidely rushes oil cylinder a pair; Described reduction valve one and reduction valve two-way are crossed low pressure pump and are communicated with described fuel tank, and described two-position four-way solenoid directional control valve one is all communicated with described fuel tank with two-position four-way solenoid directional control valve two; It is characterized in that,
Described plug loop comprises low pressure oil way, high-pressure oil passage, plug cylinder and energy storage supercharger, described low pressure oil way comprises and is connected in parallel on two-position four-way solenoid directional control valve three between low pressure pump and plug cylinder and control unit, and described two-position four-way solenoid directional control valve three is all communicated with fuel tank with control unit; Described high-pressure oil passage comprise be serially connected in one-way valve five between high-pressure service pump and plug cylinder with two-position four way change valve five and described two-position four way change valve five be also connected with fuel tank, also be provided with the high pressure branch road be communicated with energy storage supercharger between described one-way valve five and two-position four way change valve five, described high pressure branch road is connected with pressure relay.
Described control unit comprises the two-position four way change valve four, cartridge valve cover plate and the two-way plug-in valve that are connected in series successively, described low pressure pump and oil cylinder are all connected with two-position four way change valve four, is describedly all connected with two-way plug-in valve with fuel tank with plug cylinder;
Described low pressure oil way also comprises with two-position four-way solenoid directional control valve three parallel connection and the relief valve three be communicated with between low pressure pump and fuel tank;
Described high-pressure oil passage also comprises with one-way valve five and two-position four way change valve five parallel connection and the relief valve four be communicated with between high-pressure service pump and fuel tank.
Described reduction valve one is circumscribed with shock-proof pressure gauge one, and described reduction valve two is circumscribed with shock-proof pressure gauge two.
Described two-position four-way solenoid directional control valve one interiorly rushes the relief valve one being provided with between oil cylinder and being communicated with fuel tank with upper, and described two-position four-way solenoid directional control valve two and a pair upper outside punching between oil cylinder are provided with relief valve two.
The novel middle plug cylinder of this use operationally can be divided into the compacting action moved upward and the stripping action moved downward, and wherein, high-pressure service pump is by continuous firing; Specifically: when carrying out compacting action, low pressure pump directly carries out fuel feeding to plug cylinder via the two-position four-way solenoid directional control valve three in low pressure oil way, thus make plug slowly upwards do conventional compacting action; And in compacting simultaneously, being filled energy storage supercharger through high pressure branch road by high-pressure service pump can; And when carrying out stripping action, the energy storage supercharger complete with filling energy be carried out fuel feeding through two-position four way change valve five pairs of plug cylinders by high-pressure service pump with joint efforts, thus making plug under high pressure action downwards fast, completing forced stripper mechanism.This case effectively can solve the problem of plug oil cylinder oil pressure deficiency when forced stripper mechanism after using, and achieves effective adaptation with miscellaneous part.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, 1 is fuel tank, and 2 is high-pressure service pumps, and 3 is low pressure pumps;
41 is reduction valve one, and 42 is one-way valves one, and 43 is two-position four-way solenoid directional control valves one, 44 is above interiorly rush oil cylinder;
51 is reduction valve two, and 52 is one-way valves two, and 53 is two-position four-way solenoid directional control valves two, 54 is upper outsidely rush oil cylinder;
61 is plug cylinders, and 62 is energy storage supercharger, and 63 are two-position four-way solenoid directional control valves three, 64 is control units, and 65 is one-way valves five, and 66 are two-position four-way solenoid directional control valves five, 67 is pressure relayes;
71 is relief valves one, and 72 is relief valves two, and 73 is relief valves three, and 74 is relief valves four.
Embodiment
The utility model as shown in Figure 1, comprises fuel tank 1, high-pressure service pump 2, low pressure pump 3, upper interior refunds road, upper outside refunds road and plug loop;
Described interior refunds road comprises the reduction valve 1, one-way valve 1, the two-position four-way solenoid directional control valve 1 that are connected successively and above interiorly rushes oil cylinder 44; Described upper outside refunds road comprises the reduction valve 2 51, one-way valve 2 52, the two-position four-way solenoid directional control valve 2 53 that are connected successively and upper outsidely rushes oil cylinder 54 a pair; Described reduction valve 1 is communicated with described fuel tank 1 with reduction valve 2 51 by low pressure pump 3, and described two-position four-way solenoid directional control valve 1 and two-position four-way solenoid directional control valve 2 53 are all communicated with described fuel tank 1; Rush oil cylinder in upper in this case and the upper outside oil cylinder that rushes drives by low pressure pump, its oil circuit moves towards clear, structure is simple, energy waste is low and with following in plug loop fabulous with the use of middle using effect.
Described plug loop comprises low pressure oil way, high-pressure oil passage, plug cylinder 61 and energy storage supercharger 62, described low pressure oil way comprises and is connected in parallel on two-position four-way solenoid directional control valve 3 63 between low pressure pump 3 and plug cylinder 61 and control unit 64, and described two-position four-way solenoid directional control valve 3 63 is all communicated with fuel tank 1 with control unit 64; Described high-pressure oil passage comprise be serially connected in one-way valve 5 65 between high-pressure service pump and plug cylinder with two-position four way change valve 5 66 and described two-position four way change valve 5 66 be also connected with fuel tank 1, also be provided with the high pressure branch road be communicated with energy storage supercharger between described one-way valve 5 65 and two-position four way change valve 5 66, described high pressure branch road is connected with pressure relay 67.In this case, plug cylinder operationally can be divided into the compacting action moved upward and the stripping action moved downward, and wherein, high-pressure service pump is by continuous firing; Specifically: when carrying out compacting action, low pressure pump directly carries out fuel feeding to plug cylinder via the two-position four-way solenoid directional control valve three in low pressure oil way, thus make plug slowly upwards do conventional compacting action; And in compacting simultaneously, being filled energy storage supercharger through high pressure branch road by high-pressure service pump can; And when carrying out stripping action, the energy storage supercharger complete with filling energy be carried out fuel feeding through two-position four way change valve five pairs of plug cylinders by high-pressure service pump with joint efforts, thus making plug under high pressure action downwards fast, completing forced stripper mechanism.
Described control unit 64 comprises the two-position four way change valve four, cartridge valve cover plate and the two-way plug-in valve that are connected in series successively, and described low pressure pump 3, fuel tank 1 are all connected with two-position four way change valve four, and described plug cylinder 61, fuel tank 1 are all connected with two-way plug-in valve;
Described low pressure oil way also comprises with two-position four-way solenoid directional control valve 3 63 parallel connection and the relief valve 3 73 be communicated with between low pressure pump 3 and fuel tank 1;
Described high-pressure oil passage also comprises with one-way valve 5 65 and two-position four way change valve 5 66 parallel connection and the relief valve 4 74 be communicated with between high-pressure service pump 2 and fuel tank 1.
Described reduction valve 1 is circumscribed with shock-proof pressure gauge one, and described reduction valve 2 42 is circumscribed with shock-proof pressure gauge two.
Described two-position four-way solenoid directional control valve 1 interiorly rushes the relief valve 1 being provided with between oil cylinder 44 and being communicated with fuel tank 1 with upper, and described two-position four-way solenoid directional control valve 2 53 and a pair upper outside punching between oil cylinder 54 are provided with relief valve 2 72.
Claims (4)
1. the hydraulic system of powder former, comprises fuel tank, high-pressure service pump, low pressure pump, upper interior refunds road, upper outside refunds road and plug loop;
Described interior refunds road comprises the reduction valve one, one-way valve one, the two-position four-way solenoid directional control valve one that are connected successively and above interiorly rushes oil cylinder; Described upper outside refunds road comprises the reduction valve two, one-way valve two, the two-position four-way solenoid directional control valve two that are connected successively and upper outsidely rushes oil cylinder a pair; Described reduction valve one and reduction valve two-way are crossed low pressure pump and are communicated with described fuel tank, and described two-position four-way solenoid directional control valve one is all communicated with described fuel tank with two-position four-way solenoid directional control valve two; It is characterized in that,
Described plug loop comprises low pressure oil way, high-pressure oil passage, plug cylinder and energy storage supercharger, described low pressure oil way comprises and is connected in parallel on two-position four-way solenoid directional control valve three between low pressure pump and plug cylinder and control unit, and described two-position four-way solenoid directional control valve three is all communicated with fuel tank with control unit; Described high-pressure oil passage comprise be serially connected in one-way valve five between high-pressure service pump and plug cylinder with two-position four way change valve five and described two-position four way change valve five be also connected with fuel tank, also be provided with the high pressure branch road be communicated with energy storage supercharger between described one-way valve five and two-position four way change valve five, described high pressure branch road is connected with pressure relay.
2. the hydraulic system of powder former according to claim 1, it is characterized in that, described control unit comprises the two-position four way change valve four, cartridge valve cover plate and the two-way plug-in valve that are connected in series successively, described low pressure pump, fuel tank are all connected with two-position four way change valve four, and described plug cylinder, fuel tank are all connected with two-way plug-in valve;
Described low pressure oil way also comprises with two-position four-way solenoid directional control valve three parallel connection and the relief valve three be communicated with between low pressure pump and fuel tank;
Described high-pressure oil passage also comprises with one-way valve five and two-position four way change valve five parallel connection and the relief valve four be communicated with between high-pressure service pump and fuel tank.
3. the hydraulic system of powder former according to claim 1, is characterized in that, described reduction valve one is circumscribed with shock-proof pressure gauge one, and described reduction valve two is circumscribed with shock-proof pressure gauge two.
4. the hydraulic system of powder former according to claim 1, it is characterized in that, described two-position four-way solenoid directional control valve one interiorly rushes the relief valve one being provided with between oil cylinder and being communicated with fuel tank with upper, and described two-position four-way solenoid directional control valve two and a pair upper outside punching between oil cylinder are provided with relief valve two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520579204.5U CN204900363U (en) | 2015-08-04 | 2015-08-04 | Powder forming machine's hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520579204.5U CN204900363U (en) | 2015-08-04 | 2015-08-04 | Powder forming machine's hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204900363U true CN204900363U (en) | 2015-12-23 |
Family
ID=54922544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520579204.5U Expired - Fee Related CN204900363U (en) | 2015-08-04 | 2015-08-04 | Powder forming machine's hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204900363U (en) |
-
2015
- 2015-08-04 CN CN201520579204.5U patent/CN204900363U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107893784A (en) | A kind of multi-cylinder linkage hydraulic system of hydraulic machine | |
| CN108035926A (en) | A kind of application method of multi-cylinder linkage hydraulic system of hydraulic machine | |
| CN104307953B (en) | A kind of multistage relief circuit for large-tonnage full-automatic hydraulic fine impact machine controls system | |
| CN101982399B (en) | Hydraulic lift independent iron tower rod differential superposition back-pressure hydraulic system | |
| CN204900363U (en) | Powder forming machine's hydraulic system | |
| CN203900596U (en) | High-speed cutting device | |
| CN203384136U (en) | Speed exchange circuit with parallel speed control valves | |
| CN203627345U (en) | Pressure maintaining circuit provided with energy accumulator | |
| CN205112467U (en) | Take side -pushing device's rail baling press | |
| CN202431627U (en) | Energy-saving hydraulic station | |
| CN207583714U (en) | A kind of multi-cylinder linkage hydraulic system of hydraulic machine | |
| CN208885661U (en) | A kind of powder press upper and lower mould cylinder hydraulic circuit | |
| CN203717500U (en) | Plate shearing synchronous hydraulic control system based on double-output-shaft motor | |
| CN202767158U (en) | Hydraulic excavator flow out of valve regenerating device | |
| CN202923012U (en) | Rapid ejection structure of hydraulic cushion | |
| CN204127008U (en) | A kind of two move back piston hydraulic pressure valve group and twoly move back piston hydraulic pressure device | |
| CN201196176Y (en) | Liquid filling device of hydraulic cylinder controlled by reversal valve | |
| CN202851525U (en) | Rapid hydro-cylinder hydraulic system | |
| CN203174660U (en) | Load-sensitive control system of loading machine | |
| CN202756326U (en) | Hydraulic system for jacking top cover during loosing of reactor top cover | |
| CN204729372U (en) | A kind of hydraulic control system of supercharging type press machine | |
| CN202540773U (en) | Winding type hydraulic machine provided with multi-stage reciprocating turbocharger | |
| CN102767206A (en) | Valve outer flow regenerating unit of hydraulic excavator | |
| CN206936108U (en) | Combined hydraulic punch press for door and window processing | |
| CN203560194U (en) | Retreating type rapid oil discharging circuit of oil cylinder of hydraulic machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |