CN209079145U - A kind of forming machine fixed board and fixed board oil cylinder driving structure - Google Patents

Abstract

The utility model discloses a kind of forming machine fixed board and fixed board oil cylinder driving structure, including forming machine rack, the forming machine rack is equipped with fixed board, the middle part of fixed board is equipped with nozzle and protrudes into hole, the surrounding that the nozzle protrudes into hole is surrounded at least two oil cylinder mounting holes, oil circuit in plate is equipped in fixed board, the opening of oil circuit is located on the hole wall of oil cylinder mounting hole in the plate, and the logical hydraulic fluid port with oil communication in plate is additionally provided on fixed board.When use, hydraulic cylinder is mounted in oil cylinder mounting hole, then by the open communication of the oil inlet of hydraulic cylinder or oil outlet and interior oil circuit, due to leading to oil communication in hydraulic fluid port and all plates, as long as so the oil pressure of logical hydraulic fluid port can directly, act simultaneously on each hydraulic cylinder, to realize all hydraulic cylinder synchronization actions.Oil circuit in the connected plate of all hydraulic oil cylinder is arranged in fixed board, so just not many and diverse various oil line pipes, oil line pipe only have one, is highly convenient for fixing.The utility model is used for forming machine.

Description

A kind of forming machine fixed board and fixed board oil cylinder driving structure

Technical field

The utility model relates to forming machine field, in particular to a kind of forming machine fixed board and fixed board oil cylinder driving structure.

Background technique

Many product is all machined with shaping now, such as injection machine, and existing many is injected into Shape machine, die casting machine are to use mechanical mould-locking structure, but mechanical mould-locking structure can not achieve the effect of high-voltage lock mould, high pressure die sinking Fruit.High-voltage lock mould can provide good pressure maintaining ability, also can provide power, same high pressure to the movable part in mold well Die sinking also can provide power to the movable part in mold.

And mechanical mould-locking structure is substituted for hydraulic mould-locking structure can realize the effect of high-voltage lock mould, high pressure die sinking well Fruit.But since forming machine needs the progress of the posture of movable plate and fixed board keeping parallelism close to each other and separate, movable plate must be connected At least two oil cylinders, but how two oil cylinders synchronize oil inlet, if each oil cylinder is respectively connected with oil line pipe, then quantity is more And if many and diverse oil line pipe setting is just avoided that and interferes with movable plate that quantity is more and how many and diverse oil line pipe will be consolidated Determine to be crushed when being just avoided that molding by mold or movable plate, these are all the insoluble technical problems of those skilled in the art.

Utility model content

Technical problem to be solved by the utility model is: providing a kind of forming machine fixed board and fixed board oil cylinder that can synchronize fuel feeding Driving structure.

The solution that the utility model solves its technical problem is:

A kind of forming machine fixed board, including forming machine rack, the forming machine rack are equipped with fixed board, and the middle part of fixed board is equipped with Nozzle protrudes into hole, and the surrounding that the nozzle protrudes into hole is surrounded at least two oil cylinder mounting holes, is equipped with oil circuit in plate, institute in fixed board The opening for stating oil circuit in plate is located on the hole wall of oil cylinder mounting hole, is additionally provided with logical hydraulic fluid port on fixed board, the logical hydraulic fluid port and all Oil communication in plate.

As a further improvement of the foregoing solution, the oil cylinder mounting hole being located on four angle points of rectangle including four.

As a further improvement of the foregoing solution, the logical hydraulic fluid port is located on the side of fixed board.

As a further improvement of the foregoing solution, all oil cylinder mounting holes are sequentially connected by oil circuit in plate.

A kind of fixed board oil cylinder driving structure is equipped with hydraulic cylinder, liquid including above-mentioned fixed board in the oil cylinder mounting hole Compressing cylinder is equipped with the first hydraulic fluid port, open communication of the oil circuit in oil cylinder mounting hole in first hydraulic fluid port and plate.

As a further improvement of the foregoing solution, all oil cylinder mounting holes are sequentially connected to form system by oil circuit in plate One logical oily oil circuit, the oil cylinder mounting hole positioned at unified logical oily oil circuit head end, end are known as holding mounting hole, are equipped with one in the mounting hole of end The opening of a interior oil circuit, remaining oil cylinder mounting hole are known as middle mounting hole, the opening of an interior oil circuit, end are equipped in the mounting hole of end The hydraulic cylinder being equipped in mounting hole has first hydraulic fluid port, and the opening there are two interior oil circuit, middle installation are set in middle mounting hole Hydraulic cylinder tool in hole there are two the first hydraulic fluid port for directly being communicated in hydraulic cylinder, the first hydraulic fluid port in middle mounting hole with it is interior The opening of oil circuit corresponds connection.

As a further improvement of the foregoing solution, all oil cylinder mounting holes are sequentially connected to form system by oil circuit in plate One leads to oily oil circuit, the opening there are two interior oil circuit is set in all oil cylinder mounting holes, there are two hydraulic for the hydraulic cylinder tool The first hydraulic fluid port directly communicated in oil cylinder, the first hydraulic fluid port are connected to the opening of interior oil circuit one-to-one correspondence, are located at unified logical oily oil circuit Head end, end oil cylinder mounting hole be known as holding mounting hole, the opening of an interior oil circuit, remaining oil cylinder peace are equipped in the mounting hole of end It fills hole and is known as middle mounting hole, one of them first hydraulic fluid port of the hydraulic cylinder in mounting hole is held to be blocked.

As a further improvement of the foregoing solution, the hydraulic cylinder at least one be twin-tub oil cylinder, it is described double Cylinder oil cylinder has following structure:

Including from left to right sequentially connected large cylinder left cover component, large cylinder outer tube, large cylinder right cover component, small cylinder housing Pipe, small cylinder right cover component, large cylinder left cover component are connect with oil cylinder mounting hole, and large cylinder left cover component is equipped with the first through hole, greatly Cylinder right cover component is equipped with the second through hole, and small cylinder right cover component is equipped with third through hole, is equipped with first in the first through hole Telescopic rod, the first telescopic rod pass through the first through hole and protrude into the lumen of large cylinder outer tube, the first telescopic rod and large cylinder left cover group Part is slidably and sealingly connected with, and the right side of the first telescopic rod is equipped with first piston, and the lumen sliding of first piston and large cylinder outer tube is close Envelope connection, is equipped with the first oil pocket, large cylinder outer tube or large cylinder left cover component are equipped between first piston and large cylinder left cover component The first hydraulic fluid port being connected to the first oil pocket, the first telescopic rod is interior to be equipped with the first oil canal, and installation cavity is equipped in first piston, described Inserted valve is equipped in installation cavity, the C mouth of inserted valve is connected to the first oil canal, and the B mouth of inserted valve is connected to the first oil pocket, and first Piston is fixedly connected with the second loop bar, and the periphery wall of the second loop bar is slidably and sealingly connected with the second through hole, first piston and big The second oil pocket is equipped between cylinder right cover component, the second oil pocket be connected to the A of inserted valve mouth, and the lumen of small cylinder outer tube is interior equipped with the Three fixed poles, the left side of third fixed pole and the lumen of the second loop bar are slidably and sealingly connected with, and the second oil canal is equipped in third fixed pole, the Two oil canals and the second oil pocket are mutually isolated, and large cylinder right cover component is equipped with the 4th hydraulic fluid port being connected to the second oil pocket, and third is fixed The right side of bar and small cylinder right cover component are tightly connected, and the second oil canal is equipped with third hydraulic fluid port, the lumen cavity wall of small cylinder outer tube It is equipped between the outer wall of third fixed pole and protrudes into gap for what the second loop bar protruded into, the second loop bar and large cylinder right cover component slippage are close Envelope connection, the first telescopic rod are equipped with the second hydraulic fluid port being connected to the first oil canal.

As a further improvement of the foregoing solution, the inserted valve includes sliding block, thrust spring, and inserted valve further includes having A mouthfuls, B mouthfuls, C mouthfuls of housing, C mouthfuls, A mouthfuls are separately positioned on the left end of housing, right end, and B mouthfuls are located on the jacket wall of housing, are arranged outside On the right side of the first telescopic rod and installation cavity between cavity wall, it is equipped with the sliding block in housing, thrust spring is located at sliding block, first flexible Between bar, left side, the right side of housing are respectively mounted chamber sealed connection, and the B mouthful middle parts for being located at housing put on seal equipped with first outside Portion, sliding block are equipped with the second sealing, and the first sealing and the second sealing are sealed to hard firmly under the thrust of thrust spring, institute It states the first sealing and the second sealing is each provided at B mouthfuls of right side.

As a further improvement of the foregoing solution, first sealing and the second sealing linear sealing.

The beneficial effects of the utility model are: a kind of forming machine fixed board, including forming machine rack, in the forming machine rack Equipped with fixed board, the middle part of fixed board is equipped with nozzle and protrudes into hole, and the surrounding that the nozzle protrudes into hole is surrounded with the installation of at least two oil cylinders Hole, fixed board is interior to be equipped with oil circuit in plate, and the opening of oil circuit is located on the hole wall of oil cylinder mounting hole in the plate, is additionally provided on fixed board logical Oil communication in hydraulic fluid port, the logical hydraulic fluid port and all plates.In use, hydraulic cylinder is mounted in oil cylinder mounting hole, then By the open communication of the oil inlet of hydraulic cylinder or oil outlet and interior oil circuit, due to leading to oil communication in hydraulic fluid port and all plates, As long as so the oil pressure of logical hydraulic fluid port can directly, act simultaneously on each hydraulic cylinder, to realize all hydraulic cylinders Synchronization action.Moreover, oil circuit in plate that all hydraulic oil cylinder is connected is arranged in fixed board, so just not many and diverse each Kind oil line pipe, and the oil line pipe of logical hydraulic fluid port connection only has one, is highly convenient for fixing.The utility model is used for forming machine.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it His design scheme and attached drawing.

Fig. 1 is that the first telescopic rod of the twin-tub oil cylinder of the embodiment of the utility model fixed board oil cylinder driving structure is turned left stretching Structural schematic diagram；

Fig. 2 is that the first telescopic rod of the twin-tub oil cylinder of the embodiment of the utility model fixed board oil cylinder driving structure is turned right contraction Structural schematic diagram；

Fig. 3 is the structural schematic diagram of the inserted valve of the embodiment of the utility model fixed board oil cylinder driving structure；

Fig. 4 is the structural schematic diagram of the forming machine fixed board of the embodiment of the utility model fixed board oil cylinder driving structure；

Fig. 5 is the schematic perspective view for being connected with movable plate of the embodiment of the utility model fixed board oil cylinder driving structure.

Specific embodiment

It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality Situation is applied, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.Each technology in the utility model is special Sign, can be with combination of interactions under the premise of not conflicting conflict.

Referring to figs. 1 to Fig. 5, this is the embodiments of the present invention, specifically:

A kind of fixed board oil cylinder driving structure, including fixed board, the fixed board include forming machine rack, in the forming machine rack Equipped with fixed board 201, the middle part of fixed board 201 is equipped with nozzle and protrudes into hole 202, and the surrounding that the nozzle protrudes into hole 202 is surrounded at least Two oil cylinder mounting holes 204, fixed board 201 is interior to be equipped with oil circuit 203 in plate, and the opening of oil circuit 203 is located at oil cylinder installation in the plate On the hole wall in hole 204, logical hydraulic fluid port 205 is additionally provided on fixed board 201, the logical hydraulic fluid port 205 is connected to oil circuit 203 in all plates. Be equipped with hydraulic cylinder in the oil cylinder mounting hole 204, hydraulic cylinder is equipped with the first hydraulic fluid port 151, first hydraulic fluid port 151 with Open communication of the oil circuit 203 in oil cylinder mounting hole 204 in plate.Due to leading to oil communication in hydraulic fluid port and all plates, so only Lead to hydraulic fluid port oil pressure can directly, act simultaneously on each hydraulic cylinder, so that it is dynamic to realize that all hydraulic cylinders synchronize Make.It can be synchronized well by fixed board and drive all hydraulic cylinders.Moreover, oil circuit in the plate that all hydraulic oil cylinder is connected It is arranged in fixed board, so just not many and diverse various oil line pipes, and the oil line pipe of logical hydraulic fluid port connection only has one, It is highly convenient for fixing.

The present embodiment includes four oil cylinder mounting holes 204 being located on four angle points of rectangle.Can allow in this way movable plate more preferably more Steadily move.

The logical hydraulic fluid port 205 of the present embodiment is located on the side of fixed board 201.It in this way can be preferably convenient for fixed oil line pipe.

All oil cylinder mounting holes 204 are sequentially connected by oil circuit 203 in the plate of the present embodiment, easy to process in this way.

Oil circuit 203 in plate can be allowed to be sequentially connected all oil cylinder mounting holes 204 to form unified logical oily oil circuit, position Oil cylinder mounting hole 204 in unified logical oily oil circuit head end, end is known as holding mounting hole, is equipped with an interior oil circuit in the mounting hole of end Opening, remaining oil cylinder mounting hole 204 are known as middle mounting hole, the opening of an interior oil circuit are equipped in the mounting hole of end, holds mounting hole The hydraulic cylinder being inside equipped with has first hydraulic fluid port 151, sets the opening there are two interior oil circuit in middle mounting hole, in middle mounting hole Hydraulic cylinder tool there are two the first hydraulic fluid port 151 for directly being communicated in hydraulic cylinder, the first hydraulic fluid port 151 in middle mounting hole with The opening of interior oil circuit corresponds connection.

And all oil cylinder mounting holes are sequentially connected to form unified logical oil using oil circuit in plate by the present embodiment Oil circuit sets the opening there are two interior oil circuit in all oil cylinder mounting holes, and there are two in hydraulic cylinder for the hydraulic cylinder tool The first hydraulic fluid port directly communicated, the first hydraulic fluid port are connected to the opening of interior oil circuit one-to-one correspondence, are located at unified logical oily oil circuit head end, end The oil cylinder mounting hole at end is known as holding mounting hole, the opening of an interior oil circuit is equipped in the mounting hole of end, remaining oil cylinder mounting hole claims For middle mounting hole, one of them first hydraulic fluid port of the hydraulic cylinder in mounting hole is held to be blocked.It is convenient to clean interior oil circuit in this way, it can Interior oil circuit is allowed linearly to be arranged, it is easy to process.

At least one is twin-tub oil cylinder to the hydraulic cylinder, and the twin-tub oil cylinder has following structure: including From left to right sequentially connected large cylinder left cover component 111, large cylinder outer tube 112, large cylinder right cover component 113, small cylinder outer tube 114, small cylinder right cover component 115, large cylinder left cover component is connect with oil cylinder mounting hole 204, and large cylinder left cover component 111 is equipped with first Through hole, large cylinder right cover component 113 are equipped with the second through hole, and small cylinder right cover component 115 is equipped with third through hole, and first is logical The first telescopic rod 121 is equipped in via hole, the first telescopic rod 121 passes through the first through hole and protrudes into the lumen of large cylinder outer tube 112, First telescopic rod 121 is slidably and sealingly connected with large cylinder left cover component 111, and the right side of the first telescopic rod 121 is equipped with first piston 131, first piston 131 and the lumen of large cylinder outer tube 112 are slidably and sealingly connected with, first piston 131 and large cylinder left cover component 111 Between be equipped with the first oil pocket 141, large cylinder outer tube 112 or large cylinder left cover component 111 are equipped with the be connected to the first oil pocket 141 One hydraulic fluid port 151, the first telescopic rod 121 is interior equipped with the first oil canal 161, and first piston 131 is interior to be equipped with installation cavity, the installation cavity Interior to be equipped with inserted valve 17, the C mouth of inserted valve 17 is connected to the first oil canal 161, and the B mouth and the first oil pocket 141 of inserted valve 17 connect Logical, first piston 131 is fixedly connected with the second loop bar 122, and the periphery wall of the second loop bar 122 and the second through hole are slidingly sealed company It connects, the second oil pocket 142, the A mouth of the second oil pocket 142 and inserted valve 17 is equipped between first piston 131 and large cylinder right cover component 113 Connection, the lumen of small cylinder outer tube 114 is interior to be equipped with third fixed pole 132, the pipe in the left side of third fixed pole 132 and the second loop bar 122 Chamber is slidably and sealingly connected with, and the second oil canal 162 is equipped in third fixed pole 132, the second oil canal 162 and the second oil pocket 142 are mutually Isolation, large cylinder right cover component 113 are equipped with the 4th hydraulic fluid port 154 that be connected to the second oil pocket 142, the right side of third fixed pole 132 and Small cylinder right cover component 115 is tightly connected, and the second oil canal 162 is equipped with third hydraulic fluid port 153, the lumen chamber of small cylinder outer tube 114 It is equipped between wall and the outer wall of third fixed pole 132 and protrudes into gap for what the second loop bar 122 protruded into, the second loop bar 122 and large cylinder are right Cap assemblies 113 are slidably and sealingly connected with, and the first telescopic rod 121 is equipped with the second hydraulic fluid port 152 being connected to the first oil canal 161.

The inserted valve 17 is allowed to include sliding block 172, thrust spring 173, inserted valve 17 further includes having A mouthfuls, B mouthfuls, C mouthfuls Housing 171, C mouthfuls, A mouthfuls are separately positioned on the left end of housing 171, right end, and B mouthfuls are located on the jacket wall of housing 171, and housing 171 is set On the right side of the first telescopic rod 121 and installation cavity between cavity wall, the sliding block 172 is equipped in housing 171, thrust spring 173 is located at Between sliding block, the first telescopic rod 121, left side, the right side of housing 171 are respectively mounted chamber sealed connection, and B mouthfuls are located in housing 171 Portion, housing 171 are equipped with the first sealing, and sliding block 172 is equipped with the second sealing, and the first sealing is being pushed away with the second sealing Firmly to hard sealing under the thrust of power spring 173, first sealing and the second sealing are each provided at B mouthfuls of right side.Described One sealing and the second sealing are described to realize sealing position to being sealed into two offseting for containment member firmly firmly firmly to hard sealing It is made of hard material, the present embodiment is particularly connected using preferable linear sealing.So that it is with following working condition:

Quick mode-lock status:

Further include oily storage box, further include first hydraulic fluid port 151, the 4th hydraulic fluid port 154 are connected to by inserted valve 17 it is quick Oily access is shunk, the rapid desufflation oil access is equipped with the oil pump toward 151 fuel feeding of the first hydraulic fluid port, the 151, the 4th oil of the first hydraulic fluid port Mouth 154 is connected to by inserted valve 17, and the 4th hydraulic fluid port 154 is connect with the valve closed, the second hydraulic fluid port 152, third hydraulic fluid port 153 and oil Storage box connection.Inserted valve is opened at this time, and the oil in the first oil pocket, the second oil pocket, which is able to achieve, to be transferred quickly, therefore can be rapidly Mode locking.The oil of the second hydraulic fluid port 152, third hydraulic fluid port 153 is allowed to be flowed into storage box.

Quick die opening state:

It further include the oily access of quick die sinking for being connected to third hydraulic fluid port 153, the 4th hydraulic fluid port 154 by inserted valve 17, it is described It is quickly opened the oil pump that oily access is equipped with past 153 fuel feeding of third hydraulic fluid port, the 4th hydraulic fluid port 154 is connect with the valve closed.This reality The inserted valve for applying example is linear sealing, so can automatically open under the high pressure of the first oil pocket, be can be achieved with so a small amount of Oil leakage, inserted valve is opened at this time, and the oil in the first oil pocket is rapidly introduced into the second oily channel under the action of oil pump, this Sample is achieved that quick die sinking.

The present embodiment further includes oily storage box, is allowed under quick die opening state, and the second hydraulic fluid port 152 is connected to oily storage box, is allowed The oil stream of second hydraulic fluid port 152 enters in oily storage box, and the first hydraulic fluid port 151 is connect with the valve closed.

High pressure die opening state:

Oily storage box, third hydraulic fluid port 153 are connect with oil pump, and the second hydraulic fluid port 152, the 4th hydraulic fluid port 154 connect with oily storage box Logical, the first hydraulic fluid port 151 is connect with the valve closed.Closing third hydraulic fluid port 153 due to the first hydraulic fluid port 151 can be by the first telescopic rod 121 turn left by force pushes away, and the inserted valve of the present embodiment is linear sealing, so can beat automatically under the high pressure of the first oil pocket Open, can be achieved with a small amount of oil leakage in this way, thus realize at a slow speed, the die sinking of high pressure, it is that B mouthful of high pressure, which allows sliding block to open, Field is pioneering, is dexterously easy to appear the principle of oil leakage under high pressure using linear sealing.

High-voltage lock mould state:

It further include oily storage box, the first hydraulic fluid port 151, the second hydraulic fluid port 152 are connect with oil pump, the 153, the 4th oil of third hydraulic fluid port Mouth 154 is connected to oily storage box.First hydraulic fluid port 151, the second hydraulic fluid port 152 are simultaneously into high pressure oil, and inserted valve is closed, first piston Forced area becomes larger, and the 4th hydraulic fluid port can only passively drain the oil, so the first telescopic rod is slow in one's movements, but clamp force is big.

Small cylinder outer tube 114 or small cylinder right cover component 115 are equipped with and the 5th hydraulic fluid port 155 that protrudes into gap and be connected to.Individually High pressure oil is passed through toward the 5th hydraulic fluid port 155, gap is smaller due to protruding into, can allow the first telescopic rod movement speed faster.

The better embodiment of the utility model is illustrated above, but the utility model be not limited to it is described Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.

Claims (10)

1. a kind of forming machine fixed board, including forming machine rack, the forming machine rack is equipped with fixed board (201), it is characterised in that: The middle part of fixed board (201) is equipped with nozzle and protrudes into hole (202), and the surrounding that the nozzle protrudes into hole (202) is surrounded at least two oil Cylinder mounting hole (204), fixed board (201) is interior to be equipped with oil circuit (203) in plate, and the opening of oil circuit (203) is located at oil cylinder peace in the plate It on the hole wall for filling hole (204), is additionally provided on fixed board (201) logical hydraulic fluid port (205), oil in the logical hydraulic fluid port (205) and all plates Road (203) connection.

2. a kind of forming machine fixed board according to claim 1, it is characterised in that: be located on four angle points of rectangle including four Oil cylinder mounting hole (204).

3. a kind of forming machine fixed board according to claim 1, it is characterised in that: the logical hydraulic fluid port (205) is located at fixed board (201) on side.

4. a kind of forming machine fixed board according to claim 1, it is characterised in that: oil circuit (203) is by all oil cylinders in plate Mounting hole (204) is sequentially connected.

5. a kind of fixed board oil cylinder driving structure, including the fixed board as described in any one of claims 1 to 3, it is characterised in that: Hydraulic cylinder is equipped in the oil cylinder mounting hole (204), hydraulic cylinder is equipped with the first hydraulic fluid port (151), first hydraulic fluid port (151) with plate in open communication of the oil circuit (203) on oil cylinder mounting hole (204).

6. a kind of fixed board oil cylinder driving structure according to claim 5, it is characterised in that: oil circuit (203) will own in plate Oil cylinder mounting hole (204) be sequentially connected to form unified logical oily oil circuit, the oil cylinder positioned at unified logical oily oil circuit head end, end Mounting hole (204) is known as holding mounting hole, and the opening of an interior oil circuit, remaining oil cylinder mounting hole (204) are equipped in the mounting hole of end Referred to as middle mounting hole holds the hydraulic cylinder that is equipped in mounting hole to have first hydraulic fluid port (151), set in middle mounting hole there are two The opening of interior oil circuit, hydraulic cylinder tool in middle mounting hole there are two the first hydraulic fluid port (151) directly communicated in hydraulic cylinder, The first hydraulic fluid port (151) in middle mounting hole is connected to the opening of interior oil circuit one-to-one correspondence.

7. a kind of fixed board oil cylinder driving structure according to claim 5, it is characterised in that: oil circuit (203) will own in plate Oil cylinder mounting hole (204) be sequentially connected to form unified logical oily oil circuit, set in all oil cylinder mounting holes (204) there are two The opening of interior oil circuit, there are two the first hydraulic fluid port (151) directly communicated in hydraulic cylinder, the first hydraulic fluid ports for the hydraulic cylinder tool (151) it is connected to the opening of interior oil circuit one-to-one correspondence, the oil cylinder mounting hole (204) positioned at unified logical oily oil circuit head end, end claims For end mounting hole, the interior opening for being equipped with an interior oil circuit of end mounting hole, remaining oil cylinder mounting hole (204) is known as middle mounting hole, One of them first hydraulic fluid port (151) of hydraulic cylinder in the mounting hole of end is blocked.

8. a kind of fixed board oil cylinder driving structure according to claim 5, it is characterised in that: oil circuit (203) will own in plate Oil cylinder mounting hole (204) be sequentially connected to form unified logical oily oil circuit, all oil cylinder mounting holes of unified logical oily oil circuit (204) opening there are two interior oil circuit is set in, there are two the first oil directly communicated in hydraulic cylinder for the hydraulic cylinder tool Mouth (151), the first hydraulic fluid port (151) are connected to the opening of interior oil circuit one-to-one correspondence.

9. a kind of fixed board oil cylinder driving structure according to claim 5, it is characterised in that: the hydraulic cylinder is at least One is twin-tub oil cylinder, and the twin-tub oil cylinder has following structure:

Including from left to right sequentially connected large cylinder left cover component (111), large cylinder outer tube (112), large cylinder right cover component (113), small cylinder outer tube (114), small cylinder right cover component (115), large cylinder left cover component are connect with oil cylinder mounting hole (204), greatly Cylinder left cover component (111) is equipped with the first through hole, and large cylinder right cover component (113) is equipped with the second through hole, small cylinder right cover group Part (115) is equipped with third through hole, is equipped with the first telescopic rod (121) in the first through hole, and the first telescopic rod (121) passes through the One through hole protrudes into the lumen of large cylinder outer tube (112), and the first telescopic rod (121) slides close with large cylinder left cover component (111) The right side of envelope connection, the first telescopic rod (121) is equipped with first piston (131), first piston (131) and large cylinder outer tube (112) Lumen be slidably and sealingly connected with, between first piston (131) and large cylinder left cover component (111) be equipped with the first oil pocket (141), large cylinder Outer tube (112) or large cylinder left cover component (111) are equipped with the first hydraulic fluid port (151) being connected to the first oil pocket (141), and first stretches The first oil canal (161) are equipped in contracting bar (121), installation cavity is equipped in first piston (131), is equipped with inserting in the installation cavity The C mouth of valve (17), inserted valve (17) is connected to the first oil canal (161), and the B mouth of inserted valve (17) and the first oil pocket (141) are even Logical, first piston (131) is fixedly connected with the second loop bar (122), and the periphery wall of the second loop bar (122) and the second through hole are slided It is tightly connected, is equipped with the second oil pocket (142) between first piston (131) and large cylinder right cover component (113), the second oil pocket (142) It is connected to the A mouth of inserted valve (17), is equipped with third fixed pole (132) in the lumen of small cylinder outer tube (114), third fixed pole (132) Left side and the lumen of the second loop bar (122) be slidably and sealingly connected with, be equipped with the second oil canal (162) in third fixed pole (132), the Two oil canals (162) and the second oil pocket (142) are mutually isolated, and large cylinder right cover component (113) is equipped with the second oil pocket (142) even The 4th logical hydraulic fluid port (154), the right side of third fixed pole (132) and small cylinder right cover component (115) are tightly connected, the second oil canal (162) third hydraulic fluid port (153) are equipped with, are set between the lumen cavity wall of small cylinder outer tube (114) and the outer wall of third fixed pole (132) Having and protrudes into gap for what the second loop bar (122) were protruded into, the second loop bar (122) is slidably and sealingly connected with large cylinder right cover component (113), First telescopic rod (121) is equipped with the second hydraulic fluid port (152) being connected to the first oil canal (161).

10. a kind of fixed board oil cylinder driving structure according to claim 9, it is characterised in that: the inserted valve (17) includes Sliding block (172), thrust spring (173), inserted valve (17) they further include having A mouthfuls, B mouthfuls, C mouthfuls of housing (171), and C mouthfuls, A mouthfuls points Not She Zhi left end in housing (171), right end, B mouthfuls are located on the jacket wall of housing (171), and housing (171) is located at the first telescopic rod (121) between the cavity wall of installation cavity right side, the sliding block (172) are equipped in housing (171), thrust spring (173) is located at sliding block (172), between the first telescopic rod (121), left side, the right side of housing (171) are respectively mounted chamber sealed connection, and B mouthfuls are located at housing (171) middle part, housing (171) be equipped with the first sealing, sliding block (172) be equipped with the second sealing, the first sealing with For second sealing firmly to hard sealing under the thrust of thrust spring (173), first sealing and the second sealing are each provided at B The right side of mouth.