CN203516259U - Device for eliminating mold sticking occurring on machine tool mold - Google Patents
Device for eliminating mold sticking occurring on machine tool mold Download PDFInfo
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- CN203516259U CN203516259U CN201320632871.6U CN201320632871U CN203516259U CN 203516259 U CN203516259 U CN 203516259U CN 201320632871 U CN201320632871 U CN 201320632871U CN 203516259 U CN203516259 U CN 203516259U
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Abstract
A device for eliminating mold sticking occurring on a machine tool mold is characterized in that the device comprises a hydraulic one-way valve (2), a directional control valve (6) and an installation valve block (1), the installation valve block (1) comprises an oil inlet channel (11), a locking oil duct (12) and an oil discharging channel (13), the hydraulic one-way valve is mounted on an oil inlet pipeline (832), an oil inlet A of the oil inlet channel (11) of the installation valve block is communicated with a first oil port of the directional control valve (6), a locking oil port B of the locking oil duct (12) of the installation valve block (1) is communicated with a second oil port of the directional control valve (6), and an oil discharging port C of the oil discharging channel (13) of the installation valve block (1) is communicated with a third oil port of the directional control valve (6). The device can eliminate mold sticking fast and reliably. Compared with a machine tool with a sliding block lifting function, a machine tool provided with the device has the advantages of being more convenient to operate and high in automation degree.
Description
Technical field
The utility model relates to machine tool mould technical field, relates in particular to the device of removing machine tool mould sticking to mould.
Background technique
In large pressing machine, because mold clamping force is larger, easily cause sticking to mould technical problem.
Patent documentation CN202845679U discloses a kind of press machine, belongs to metallurgical system technical field of forging, particularly relates to a kind of improvement of press structure.The utility model provides a kind of press machine, and this press machine can be eliminated the mold sticking in forging process, facilitates the taking-up of mould, has improved manufacturing efficiency, has reduced potential safety hazard.The utility model comprises punch set, die set, upper drift, lower drift, upper die tooling and bed die, and the surface of contact that is characterized in described upper drift and upper die tooling is inclined-plane, and the surface of contact of lower drift and bed die is inclined-plane; And angle when work with the inclined-plane of lower drift and bed die surface of contact in the inclined-plane of upper drift and upper die tooling surface of contact is less than 180 °; Centerline at die set upper surface is provided with groove.
Patent documentation CN201685488U discloses a kind of double disk friction screw press with knocking from up die mechanism, comprise that lobe plate, sliding-tongue, sliding-tongue Returnning spring, roller, top board, top board Returnning spring, push rod form, and is characterized in that: two blocks of lobe plates are arranged on respectively on the column of original equipment both sides; The position, outer end of two sliding-tongues is provided with roller, and the position, top on the inner top of sliding-tongue is provided with Returnning spring, and the end face of the inner bottom of sliding-tongue is inclined-plane, and the both sides on top board top are inclined-plane, and sliding-tongue, top board are installed in punch set; Push rod is arranged in upper module, and Returnning spring is installed.When blank is in patrix sticking to mould or clamping, can make its smooth demoulding, mould is had to protective action, can extend the working life of mould, reduced product cost, this mechanism is simple in structure easy to use, can in machine-building, obtain extensive use.
Patent documentation CN202781625U provides a kind of mould that prevents two-way sticking to mould, it is characterized in that: comprise front mould and rear mold, described rear mold comprises the rear pattern plate that is provided with rear core rod, described front mould comprises the front template that is provided with the front core rod being used in conjunction with described rear core rod, described front mould also comprises push pedal, described push pedal is arranged between described rear pattern plate and described front template, and described push pedal can be moved with respect to described front template, and described push pedal is provided with through hole; When front core rod and rear core rod matched moulds form die cavity, described front core rod can insert described rear mold in-core through described through hole, and described through hole is that liquid sealing coordinates with described front core rod, and described push pedal is that liquid sealing coordinates with described rear core rod.The beneficial effects of the utility model are the two-way sticking to moulds that prevented product when die sinking.
Patent documentation CN203156000U relates to a kind of anti-stick pattern aluminium die casting mould, the upper die plate (1) that comprises upper end, middle molded sheets (2) and the lower plate (3) of lower end, in the middle of molded sheets (2), offer a die cavity (4), in the middle of die cavity (4), be provided with die cavity (5), outer installment at die cavity (5) has cast gate (6), in upper die plate (1) and molded sheets (2), offer perfusion channel (9), in upper die plate (1) and molded sheets (2), also offer releasing agent passage (18), the lower end of described releasing agent passage (18) has a plurality of capillary tubies (19), capillary tube (19) is communicated with die cavity (5).The anti-stick pattern aluminium die casting mould that the utility model provides, by releasing agent passage and a plurality of capillary tube are set, injects die cavity surface by releasing agent, has improved the success rate of the demoulding, the adhesion phenomenon easily having occurred while having prevented the demoulding.
Patent documentation CN203046093U relates to a kind of antiseized mold pressing molding machine, comprise machine hall (1), electric control chamber (2) and power house (3), the bottom of machine hall (1) is provided with mould base (14), transmission platform (13) lower end is provided with top die (16), mould base (14) upper end is provided with dip mold (17), top die (16) is relative with dip mold (17) and establish, the upper end of machine hall (1) is also provided with driver (15), in described electric control chamber (2), be provided with controller (22) and break (23), in described power house (3), be provided with pressure gauge (32) and motor (37), power house (3) is outside equipped with pressure valve (34), in machine hall (1), be provided with shower nozzle (6) and the pressure bottle (7) of releasing agent is housed, described shower nozzle (6) is connected with pressure bottle (7).The utility model, by shower nozzle and pressure bottle are set, can spray releasing agent to top die and dip mold, has prevented the generation of sticking to mould.
The technological scheme of the disclosed anti-sticking to mould of above-mentioned patent documentation respectively has feature, and still, the device of designing novel releasing machine tool mould sticking to mould is still the direction that those skilled in the art makes great efforts.
Model utility content
The purpose of this utility model is to propose to remove fast the solution of machine tool mould sticking to mould technical problem.
The purpose of this utility model is to realize and remove fast machine tool mould sticking to mould by means of hydraulic pressure installation.
For this reason, the utility model proposes the device of removing machine tool mould sticking to mould, it is characterized in that: described device comprises hydraulically-controlled one-way valve, position control valve and installation valve piece, wherein said installation valve piece is used for installing described position control valve;
Described installation valve piece comprises oil inlet passage, locking oil duct and draining passage;
Described hydraulically-controlled one-way valve is arranged on in-line, and it allows hydraulic oil to flow to described oil inlet passage from hydraulic-pressure pump;
The first end of the oil inlet passage of described installation valve piece is connected with described in-line in the downstream side of described one-way valve, and the filler opening A of its second end is connected with the first hydraulic fluid port of described position control valve;
The first end of the locking oil duct of described installation valve piece is connected with the hydraulic control circuit of controlling the machine body drag bar of described machine tool mould, and the locking hydraulic fluid port B of its second end is connected with the second hydraulic fluid port of described position control valve;
The first end of the draining passage of described installation valve piece is connected with described in-line at the upstream side of described hydraulically-controlled one-way valve, and the drain tap C of its second end is connected with the 3rd hydraulic fluid port of described position control valve;
The first locked position at described position control valve, described position control valve makes described drain tap C in closed condition, and make described filler opening A and locking hydraulic fluid port B in opening and connected state, thereby, hydraulic oil is by described filler opening A, flow to described locking hydraulic fluid port B, enter the hydraulic control circuit of described machine body drag bar, described machine body drag bar thereby be locked;
At second of described position control valve, remove position, described position control valve makes described filler opening A in closed condition, and make described locking hydraulic fluid port B and described drain tap C in opening and connected state, thereby, hydraulic oil flows to described drain tap C from described locking hydraulic fluid port B, and be therefore back in the fuel tank of hydraulic-pressure pump, and then the tension of described machine body drag bar is disengaged.
According to other technological scheme of the present utility model, it can also comprise following one or more technical characteristics.As long as the combination of such technical characteristics is enforceable, the new technological scheme forming thus all belongs to a part of the present utility model.
Preferably, described position control valve is two-position three way electrically-controlled valve.
Advantageously, described position control valve is two-position four-way position control valve, and wherein, a hydraulic fluid port is closed.
Advantageously, described position control valve is two-position four-way electric-controlled ball valve.
Advantageously, described position control valve is the two-position four-way electric-controlled ball valve of oppositely installing.
Preferably, described installation valve piece is single piece.
Advantageously, described installation valve piece is builtup member, and wherein, described builtup member comprises three modules: oil inlet passage is made in the first module, and locking passage is made in the second module, and draining passage is made in the 3rd module.
Preferably, described device also comprises pressure gauge, and wherein, described pressure gauge is connected to described oil inlet passage by measuring pressure passage.
Preferably, described installation valve piece comprises two locking oil ducts, for controlling the action of two or four pull bars.
The utility model also provides lathe, and it comprises mould and pull bar, it is characterized in that, described lathe comprises the device of releasing machine tool mould sticking to mould as herein described.
The device of releasing machine tool mould sticking to mould of the present utility model can be fast and is removed reliably the sticking to mould of mould; Lathe of the present utility model is with respect to the lathe with slide block enhanced feature, more convenient operation, and automaticity is high.
Accompanying drawing explanation
With reference to accompanying drawing, the description of feature of the present utility model, advantage and the characteristic embodiment by is below able to better understanding, in accompanying drawing:
Fig. 1: the schematic diagram of the device of releasing machine tool mould sticking to mould of the present utility model.
In the drawings, same or similarly element use same figure notation, different elements is used different figure notations, wherein:
In this article, as shown in Figure 1, hydraulic oil is from hydraulic-pressure pump 8, and the flow direction that flows to the hydraulic control circuit 127 of hydraulically-controlled one-way valve 2, installation valve piece 1, position control valve 6, machine body drag bar 7 is forward flow.Thereby the position of standard solution oil-pressing pump 8 in oil hydraulic circuit is upstream position herein, relatively, the position of position control valve 6 in oil hydraulic circuit is downstream position.The relative position of other hydraulic element is stipulated to describe with reference to this.
Embodiment
As shown in Figure 1, the device of releasing machine tool mould sticking to mould of the present utility model comprises hydraulically-controlled one-way valve 2, position control valve 6 and installation valve piece 1, and wherein said installation valve piece 1 is for installing described position control valve 6.Hydraulically-controlled one-way valve is similar to the diode in circuit, guarantees that hydraulic fluid can only one-way flow in oil hydraulic circuit.Device at releasing machine tool mould sticking to mould of the present utility model, hydraulically-controlled one-way valve 2 be similar to guarantee hydraulic fluid can only be in locking loop forward flow, namely hydraulic oil can only be from hydraulic-pressure pump 8, flow to hydraulically-controlled one-way valve 2, valve piece 1, position control valve 6, the hydraulic control circuit 127 of machine body drag bar 7 are installed.Valve piece 1 is installed and is played the fixing and seal action that facilitates position control valve 6, and installation valve piece 1 is conducive to integrated each hydraulic oil channel.
As shown in Figure 1, described installation valve piece 1 comprises oil inlet passage 11, locking oil duct 12 and draining passage 13.The opening of described oil inlet passage 11, locking oil duct 12 and one end of draining passage 13 is connected with the hydraulic fluid port of position control valve 6, for example, by pipe seal, connect.So both guaranteed the sealing of oil circuit, and position control valve 6 had been fixed on installs on valve piece 1 again.Be understandable that, valve piece 1 is installed and also can be connected with position control valve 6 by seal tube, and position control valve 6 can be connected on installation valve piece 1 or on lathe fuselage by the known mode that is fixedly connected with.
Described hydraulically-controlled one-way valve 2 is arranged on in-line 832, and it allows hydraulic oil to flow to described oil inlet passage 11 from hydraulic-pressure pump 8.Be understandable that, it is hydraulic fluid, hydraulic fluid or hydraulic medium that hydraulic oil is answered broad understanding in this article, and is not only oils medium.Described hydraulically-controlled one-way valve 2 is installed on hydraulic lock circuit, and described hydraulic lock circuit comprises the hydraulic control circuit 127 of in-line 832, oil inlet passage 11, position control valve 6, machine body drag bar 7.Described hydraulically-controlled one-way valve 2 not only plays the effect that makes running of hydraulic power oil unilateralization, but also plays pressure maintaining effect at hydraulic lock circuit, makes the active force of described machine body drag bar 7 be kept.
As shown in Figure 1, the first end of the oil inlet passage 11 of described installation valve piece 1 is connected with described in-line 832 in the downstream side of described one-way valve 2, and the filler opening A of its second end is connected with the first hydraulic fluid port of described position control valve 6.Be understandable that, term herein " connection " refers to regard to hydraulic fluid it is unobstructed, therefore has two layers of meaning: on reality, be to be tightly connected, and on Kongxiang, be to lead to be combined into one.Certainly, whole oil hydraulic circuit also can seal.Valve piece 1 and position control valve 6 are installed and all should be arranged on the downstream of described one-way valve 2, the hydraulic oil forward flow on guarantee hydraulic lock circuit like this, and be oppositely cut off.
The first end of the locking oil duct 12 of described installation valve piece 1 is connected with the hydraulic control circuit 127 of controlling the machine body drag bar 7 of described machine tool mould, and the locking hydraulic fluid port B of its second end is connected with the second hydraulic fluid port of described position control valve 6.Passage between described filler opening A and locking hydraulic fluid port B is communicated with or turn-offs by means of position control valve 6, make the hydraulic oil of the hydraulic control circuit 127 of described machine body drag bar 7 can be bypassed pressure release, and hydraulically-controlled one-way valve 2 can not continue to supply with hydraulic oil to the hydraulic control circuit 127 of machine body drag bar 7.
The first end of the draining passage 13 of described installation valve piece 1 is connected with described in-line 832 at the upstream side of described one-way valve 2, and the drain tap C of its second end is connected with the 3rd hydraulic fluid port of described position control valve 6.As shown in Figure 1, the hydraulic control circuit 127 of machine body drag bar 7, position control valve 6, draining passage 13 and drain line 138 form draining circuit, realize and remove the active force of hydraulic oil to machine body drag bar 7.
The function of position control valve 6 is, by hydraulic oil, machine body drag bar 7 is applied active force or removes active force.Position control valve 6 thereby corresponding two positions: the first locked position, the hydraulic control circuit 127 of machine body drag bar 7 is connected with in-line 832, hydraulic oil applies active force to machine body drag bar 7; Second removes position, and the hydraulic control circuit 127 of machine body drag bar 7 is connected with drain line, and hydraulic oil is removed active force to machine body drag bar 7.
Particularly, with reference to Fig. 1, the first locked position at described position control valve 6, described position control valve 6 makes described drain tap C in closed condition, and makes described filler opening A and locking hydraulic fluid port B in opening and connected state, thereby, hydraulic oil is by described filler opening A, flow to described locking hydraulic fluid port B, enter the hydraulic control circuit 127 of described machine body drag bar 7, described machine body drag bar 7 thereby be locked.Hydraulic oil is forward flow in locking circuit, and machine body drag bar 7 is produced to active force, thereby locking die.
At second of described position control valve 6, remove position, described position control valve 6 makes described filler opening A in closed condition, and make described locking hydraulic fluid port B and described drain tap C in opening and connected state, thereby, hydraulic oil flows to described drain tap C from described locking hydraulic fluid port B, and be therefore back in the fuel tank of hydraulic-pressure pump 8, and then the tension of described machine body drag bar 7 is disengaged.Hydraulic oil is reverse flow in pressure release circuit, machine body drag bar 7 is removed to active force, thereby unclamp mould, removes mold sticking.
As preferred embodiment, described position control valve 6 is two-position three way electrically-controlled valve.Three hydraulic fluid ports of described two-position three way electrically-controlled valve are not connected with three hydraulic fluid ports that valve piece is installed, and are namely connected respectively with filler opening A, locking hydraulic fluid port B, drain tap C.
Particularly, the filler opening A of the oil inlet passage 11 of described installation valve piece 1 and the first hydraulic fluid port of described two-position three way electrically-controlled valve are connected; The locking hydraulic fluid port B of the locking oil duct 12 of described installation valve piece 1 is connected with the second hydraulic fluid port of described two-position three way electrically-controlled valve; The drain tap C of the draining passage 13 of described installation valve piece 1 is connected with the 3rd hydraulic fluid port of described two-position three way electrically-controlled valve.
The control mode of described two-position three way electrically-controlled valve is:
The first locked position in described two-position three way electrically-controlled valve, described two-position three way electrically-controlled valve makes described drain tap C in closed condition, and make described filler opening A and locking hydraulic fluid port B in opening and connected state, thereby, hydraulic oil is by described filler opening A, flow to described locking hydraulic fluid port B, enter the hydraulic control circuit 127 of described machine body drag bar 7, described machine body drag bar 7 thereby be locked;
In second of described two-position three way electrically-controlled valve, remove position, described two-position three way electrically-controlled valve makes described filler opening A in closed condition, and make described locking hydraulic fluid port B and described drain tap C in opening and connected state, thereby, hydraulic oil flows to described drain tap C from described locking hydraulic fluid port B, and be therefore back in the fuel tank of hydraulic-pressure pump 8, and then the tension of described machine body drag bar 7 is disengaged.
Alternatively, described position control valve 6 is two-position four-way position control valves.Three hydraulic fluid ports of described two-position four-way position control valve are not connected with three hydraulic fluid ports that valve piece is installed, and the 4th hydraulic fluid port of described two-position four-way position control valve can be standby by shutoff, for example, be to be affixed sealing by seal ring and installation valve piece 1.Namely be connected respectively with filler opening A, locking hydraulic fluid port B, drain tap C.
Two-position four-way position control valve advantage: two-position four-way valve is easily bought, and threeway is less.And two-position four-way valve can be done bidirectional-movement, threeway cannot be done bidirectional-movement.So-called bidirectional-movement such as: A mouth flows into B mouth, can flow into C mouth from A mouth again, and threeway can only flow into B from A, and then B is flowing into C.Four-way is more powerful.
Particularly, the filler opening A of the oil inlet passage 11 of described installation valve piece 1 and the first hydraulic fluid port of described two-position four-way position control valve are connected; The locking hydraulic fluid port B of the locking oil duct 12 of described installation valve piece 1 is connected with the second hydraulic fluid port of described two-position four-way position control valve; The drain tap C of the draining passage 13 of described installation valve piece 1 is connected with the 3rd hydraulic fluid port of described two-position four-way position control valve.
The control mode of described two-position four-way position control valve is:
The first locked position at described two-position four-way position control valve, described two-position four-way position control valve makes described drain tap C in closed condition, and make described filler opening A and locking hydraulic fluid port B in opening and connected state, thereby, hydraulic oil is by described filler opening A, flow to described locking hydraulic fluid port B, enter the hydraulic control circuit 127 of described machine body drag bar 7, described machine body drag bar 7 thereby be locked;
At second of described two-position four-way position control valve, remove position, described two-position four-way position control valve makes described filler opening A in closed condition, and make described locking hydraulic fluid port B and described drain tap C in opening and connected state, thereby, hydraulic oil flows to described drain tap C from described locking hydraulic fluid port B, and be therefore back in the fuel tank of hydraulic-pressure pump 8, and then the tension of described machine body drag bar 7 is disengaged.
Preferably, described position control valve 6 is two-position four-way electric-controlled ball valves.Ball-valve structure is simple, reliable in action, and cost is reasonable, general standard component, purchase cost is low.
More preferably, described position control valve 6 is two-position four-way electric-controlled ball valves of oppositely installing.Namely, under dead electricity situation, the two-position four-way electric-controlled ball valve of described reverse installation is in the second releasing position; And powering up under situation, the two-position four-way electric-controlled ball valve of described reverse installation is in the first locked position.The benefit of such configuration is, once there is the loss of power accident, described machine body drag bar 7 is disengaged active force, is convenient to open mould.
Be understandable that, described position control valve 6 is two-position four-way electric-controlled ball valves that forward is installed.Namely, powering up under situation, the two-position four-way electric-controlled ball valve that institute's forward is installed is in the second releasing position; And under dead electricity situation, the two-position four-way electric-controlled ball valve that described forward is installed is in the first locked position.The benefit of such configuration is, does not power up, and it is unimpeded that hydraulic lock circuit keeps, and this state accounts for the most of the time in work cycle, thereby saves electric energy.
As preferred implementation, described installation valve piece 1 is single piece as shown in Figure 1.Namely described installation valve piece 1 is made by single piece of material, and each oil inlet passage, locking passage, the drilling thereon of draining passage are made.Such design cost is reasonable, easy to process.
Alternatively, described installation valve piece 1 is builtup member, and wherein, described builtup member comprises three modules: oil inlet passage is made in the first module, and locking passage is made in the second module, and draining passage is made in the 3rd module.Such design is convenient for changing the passage of different-diameter.
Preferably, as shown in Figure 1, described device also comprises pressure gauge 4, and wherein, described pressure gauge 4 is connected to described oil inlet passage 11 by measuring pressure passage 14.Pressure gauge 4 is arranged on to be installed on valve piece, is not only convenient to fixing and sealing, and from position control valve 6 close to, be more conducive to effective measurement, intuitively reflect system works pressure.
Alternatively, as shown in Figure 1, described installation valve piece comprises two locking oil ducts 12, for controlling the action of two or four pull bars 7.From described installation valve piece, draw two locking oil duct 12 branches, reasonable in design, saved a three-way union.
As shown in Figure 1, drain line 138 is connected between hydraulically-controlled one-way valve 2 and hydraulic-pressure pump 8 by three-way union.
The utility model also relates to lathe, and it comprises mould and pull bar 7.And described lathe comprises the device of releasing machine tool mould sticking to mould as herein described.Described lathe thereby can remove fast the sticking to mould of mould.
The device working method of releasing machine tool mould sticking to mould of the present utility model is as follows:
Under normal circumstances, by pumping, circulate through three-way union 3, hydraulically-controlled one-way valve 2, by described filler opening A fuel feeding, flows to described locking hydraulic fluid port B, and oil enters machine body drag bar, draw lever locking (oil is too much mucous membrane state).
C is normally closed for normal condition drain tap, and filler opening A, locking hydraulic fluid port B often open and be communicated with.
The corresponding hydraulic fluid port of filler opening A, locking hydraulic fluid port B and the corresponding electric-controlled ball valve of drain tap C, and corresponding connection with it.
During machine tool mould generation sticking to mould, control electric-controlled ball valve, oil flows to drain tap C by locking hydraulic fluid port B, be that drain tap C opens, filler opening A closes, and in locking hydraulic fluid port B, oil is by drain tap C draining, then by pipeline, three-way union 3 is finally flowed back in the fuel tank of hydraulic-pressure pump.
Similarly, the device of releasing machine tool mould sticking to mould of the present utility model also can be in atmospheric control, and its main points are that each hydraulic element replace to corresponding pneumatic element, and hydraulic oil replaces to gas.
Lathe of the present utility model is with respect to the lathe with slide block enhanced feature, more convenient operation, and automaticity is high.
Patent documentation CN2540357, CN201676938U, CN202224628U, CN201544408U, CN201685488U, CN203156000U, CN202781625U, CN203046093U, CN202845679U discloses the element relevant to the utility model, part, member, parts or device, therefore the structural relation between the part of, not mentioning in this article, element and parts, position relationship, active force relation, kinematic relation, energy relationship, momentum relation etc. all can be understood with reference to the above-mentioned patent documentation of quoting.The technology contents of the described patent documentation of quoting herein thereby become the part of present patent application file.The in the situation that of needs, all patent documentations of having announced in the related technical field of the utility model all can provide prior art reference to present patent application.
More than describe the preferred or specific embodiment of the invention in detail.Should be appreciated that those skilled in the art just can make many modifications and variations according to the design concept of the invention without creative work.Therefore; all technician in the art according to the design concept of the invention on the basis of existing technology by the available technological scheme of logical analysis, reasoning, or a limited experiment, all should be within the scope of the invention and/or by the determined protection domain of claims.
Claims (10)
1. remove the device of machine tool mould sticking to mould, it is characterized in that: described device comprises hydraulically-controlled one-way valve (2), position control valve (6) and installation valve piece (1), and wherein said installation valve piece (1) is for installing described position control valve (6);
Described installation valve piece (1) comprises oil inlet passage (11), locking oil duct (12) and draining passage (13);
It is upper that described hydraulically-controlled one-way valve (2) is arranged on in-line (832), and it allows hydraulic oil to flow to described oil inlet passage (11) from hydraulic-pressure pump (8);
The first end of the oil inlet passage (11) of described installation valve piece (1) is connected with described in-line (832) in the downstream side of described one-way valve (2), and the filler opening A of its second end is connected with the first hydraulic fluid port of described position control valve (6);
The first end of the locking oil duct (12) of described installation valve piece (1) is connected with the hydraulic control circuit (127) of controlling the machine body drag bar (7) of described machine tool mould, and the locking hydraulic fluid port B of its second end is connected with the second hydraulic fluid port of described position control valve (6);
The first end of the draining passage (13) of described installation valve piece (1) is connected with described in-line (832) at the upstream side of described hydraulically-controlled one-way valve (2), and the drain tap C of its second end is connected with the 3rd hydraulic fluid port of described position control valve (6);
The first locked position at described position control valve (6), described position control valve (6) makes described drain tap C in closed condition, and make described filler opening A and locking hydraulic fluid port B in opening and connected state, thereby, hydraulic oil is by described filler opening A, flow to described locking hydraulic fluid port B, enter the hydraulic control circuit (127) of described machine body drag bar (7), described machine body drag bar (7) thereby be locked;
At second of described position control valve (6), remove position, described position control valve (6) makes described filler opening A in closed condition, and make described locking hydraulic fluid port B and described drain tap C in opening and connected state, thereby, hydraulic oil flows to described drain tap C from described locking hydraulic fluid port B, and be therefore back in the fuel tank of hydraulic-pressure pump (8), and then the tension of described machine body drag bar (7) is disengaged.
2. the device of releasing machine tool mould sticking to mould according to claim 1, is characterized in that: described position control valve (6) is two-position three way electrically-controlled valve.
3. the device of releasing machine tool mould sticking to mould according to claim 1, is characterized in that: described position control valve (6) is two-position four-way position control valve, and wherein, a hydraulic fluid port is closed.
4. the device of releasing machine tool mould sticking to mould according to claim 3, is characterized in that: described position control valve (6) is two-position four-way electric-controlled ball valve.
5. the device of releasing machine tool mould sticking to mould according to claim 4, is characterized in that: described position control valve (6) is the two-position four-way electric-controlled ball valve of oppositely installing.
6. according to the device of the releasing machine tool mould sticking to mould described in any one in claim 1 to 5, it is characterized in that: described installation valve piece (1) is single piece.
7. the device of releasing machine tool mould sticking to mould according to claim 1, it is characterized in that: described installation valve piece (1) is builtup member, wherein, described builtup member comprises three modules: oil inlet passage is made in the first module, locking passage is made in the second module, and draining passage is made in the 3rd module.
8. the device of releasing machine tool mould sticking to mould according to claim 1, is characterized in that: described device also comprises pressure gauge (4), and wherein, described pressure gauge (4) is connected to described oil inlet passage (11) by measuring pressure passage (14).
9. the device of releasing machine tool mould sticking to mould according to claim 1, is characterized in that: described installation valve piece comprises two locking oil ducts (12), for controlling the action of two or four pull bars (7).
10. lathe, it comprises mould and pull bar (7), it is characterized in that, described lathe comprises according to the device of the releasing machine tool mould sticking to mould described in any one in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320632871.6U CN203516259U (en) | 2013-10-14 | 2013-10-14 | Device for eliminating mold sticking occurring on machine tool mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320632871.6U CN203516259U (en) | 2013-10-14 | 2013-10-14 | Device for eliminating mold sticking occurring on machine tool mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203516259U true CN203516259U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320632871.6U Expired - Fee Related CN203516259U (en) | 2013-10-14 | 2013-10-14 | Device for eliminating mold sticking occurring on machine tool mold |
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| Country | Link |
|---|---|
| CN (1) | CN203516259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161159A (en) * | 2023-11-03 | 2023-12-05 | 南通尧成机械设备制造有限公司 | Hydraulic control loop device and method for lower die locking structure of bending machine |
-
2013
- 2013-10-14 CN CN201320632871.6U patent/CN203516259U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117161159A (en) * | 2023-11-03 | 2023-12-05 | 南通尧成机械设备制造有限公司 | Hydraulic control loop device and method for lower die locking structure of bending machine |
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