CN115875341A - Well real hydro-cylinder that revolves of pressure cylinder control - Google Patents
Well real hydro-cylinder that revolves of pressure cylinder control Download PDFInfo
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- CN115875341A CN115875341A CN202211676486.1A CN202211676486A CN115875341A CN 115875341 A CN115875341 A CN 115875341A CN 202211676486 A CN202211676486 A CN 202211676486A CN 115875341 A CN115875341 A CN 115875341A
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- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 238000010030 laminating Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 118
- 239000010720 hydraulic oil Substances 0.000 abstract description 26
- 239000007787 solid Substances 0.000 abstract description 24
- 230000009471 action Effects 0.000 description 20
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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Abstract
The application relates to a middle-solid rotary oil cylinder controlled by a pressure cylinder, which belongs to the technical field of rotary oil cylinders and comprises a valve cover, a valve body, a valve core rod, a valve core piece and a cylinder body, wherein the cylinder body is connected with a piston in a sliding way, a cavity for the piston to slide is coaxially formed in the cylinder body, the valve core piece is used for sealing the cavity, the valve core piece and the cylinder body are fixed through a bolt, the valve cover and one end of the valve body are coaxially fixed, one end of the valve core rod and one end, deviating from the cylinder body, of the valve core piece are coaxially arranged, and the other end of the valve core rod penetrates through the valve body and extends into the valve cover; the middle solid rotary oil cylinder is controlled by the pressure cylinder and the air source, so that the piston in the cylinder body performs reciprocating sliding motion, the consumption of hydraulic oil and energy sources for controlling the middle solid rotary oil cylinder is effectively reduced, and the temperature rise speed of the hydraulic oil is slowed down.
Description
Technical Field
The application relates to the field of rotary oil cylinders, in particular to a middle-real rotary oil cylinder controlled by a pressure boosting cylinder.
Background
The numerical control lathe is generally provided with a power chuck and a middle solid rotary oil cylinder; the middle-solid rotary oil cylinder generally provides driving force through a hydraulic station, a hydraulic oil pump is used for continuously supplying liquid to the middle-solid rotary oil cylinder for pressurization, and the oil pressure of the hydraulic station enables the middle-solid rotary oil cylinder to complete the telescopic motion of a piston rod; when pressure is relieved, the electromagnetic valve turns off the oil pump to control an oil return path, hydraulic oil in the middle solid rotary oil cylinder gradually returns to the hydraulic oil tank, and the piston rod slides along with the reduction of the hydraulic oil in the middle solid rotary oil cylinder, so that the power chuck is controlled to be clamped and loosened.
However, in the actual use process, the middle-solid rotary oil cylinder provides driving force through the hydraulic station when working, so that three oil pipes need to be connected to the middle-solid rotary oil cylinder and are respectively used for oil inlet, oil return and oil drainage, and more hydraulic oil consumption can be generated in the process.
Disclosure of Invention
In order to solve the problem of oil waste caused by the fact that the middle-solid rotary oil cylinder is controlled through the hydraulic station, the application provides the middle-solid rotary oil cylinder controlled by the pressure cylinder.
The application provides a well real rotary cylinder of pressure cylinder control adopts following technical scheme:
the utility model provides a well real hydro-cylinder that turns around of pressure cylinder control, includes case pole and cylinder body, the case pole is connected with the cylinder body, it is connected with the piston to slide on the cylinder body, the piston includes sliding block and sliding rod, be equipped with the cavity that is used for supplying the sliding block to slide in the cylinder body, the lateral wall of sliding block and the inner wall laminating of cavity, the one end and the sliding block of sliding rod are connected, the other end of sliding rod runs through the cylinder body, it goes into oilhole and income gas pocket to have seted up on the case pole, set up on the cylinder body and go into the accent hole with the first accent hole and the second of cavity intercommunication, first accent hole and second enter the accent hole and be located the both sides of sliding block respectively, first accent hole and income oilhole intercommunication, the accent hole is gone into accent hole and income gas pocket intercommunication with the gas pocket to the second, go into oilhole and pressure cylinder intercommunication, income gas pocket and air supply.
By adopting the technical scheme, the communication position of the first cavity inlet hole and the cavity is set to be positioned at one end of the sliding block, which is far away from the valve core rod, and the communication position of the second cavity inlet hole and the cavity is set to be positioned at one end of the sliding block, which is close to the valve core rod; starting the pressure cylinder, allowing hydraulic oil to sequentially pass through the oil inlet hole and the first cavity inlet hole under the action of the pressure cylinder and enter the cavity, and allowing the sliding block to slide towards the valve core rod under the action of the hydraulic oil; starting an air source, allowing the air to sequentially enter the cavity through the air inlet hole and the second cavity inlet hole under the action of the air source, allowing the sliding block to slide towards the direction far away from the valve core rod under the action of the air, and allowing the hydraulic oil in the cavity to sequentially return to the pressurizing cylinder through the first cavity inlet hole and the oil inlet hole so as to control the clamping and loosening of the power chuck; the pressure cylinder and the air source provide driving force for the middle solid rotary oil cylinder, so that the piston is controlled to slide in the middle solid rotary oil cylinder, and the power chuck is controlled to clamp and loosen.
Preferably, one end, away from the sliding rod, of the cylinder body is open, a valve core sheet used for sealing an opening of the cylinder body is connected to the cylinder body, the valve core rod is connected with the valve core sheet, the second cavity entering hole is formed in the valve core sheet, a transition hole is further formed in the valve core sheet, a connecting hole is formed in the cylinder body, one end of the connecting hole is communicated with the first cavity entering hole, the other end of the connecting hole extends out of the cylinder body, the transition hole is communicated with the connecting hole when the valve core sheet is connected with the cylinder body, and one end, away from the connecting hole, of the transition hole is communicated with the oil entering hole.
By adopting the technical scheme, when the sliding block is driven by the pressure cylinder to slide towards the valve core rod, the hydraulic oil in the oil inlet hole sequentially flows into the transition hole and the connecting hole, then flows into the first cavity inlet hole and enters the cavity through the first cavity inlet hole; the one end that the slide bar was kept away from to the cylinder body is the opening form setting, seals the cavity through the valve chip, removes the back with the valve chip, is convenient for wash the cavity in the cylinder body, if the piston that is located the cavity has the damage, also can change alone to be convenient for overhaul the piston that is located the cavity and maintain.
Preferably, the valve core rod is connected with a valve body, one end of the valve body, which is far away from the cylinder body, is connected with a valve cover, one end of the valve core rod, which is far away from the cylinder body, penetrates through the valve body and extends into the valve cover, the valve cover is provided with an oil inlet communicated with the oil inlet, the pressure cylinder is connected with the valve cover and is communicated with the oil inlet, the valve body is provided with an air inlet communicated with the air inlet hole, and the air source is connected with the valve body and is communicated with the air inlet.
Through adopting above-mentioned technical scheme, provide the protection to the case pole through valve body and valve gap, the case pole is difficult for damaging in daily use, and valve gap and valve body compare in case pole surface area great, have more area to be used for supplying oil pipe and trachea to be connected, has promoted the joint strength between oil pipe and trachea and the real hydro-cylinder of gyration of well.
Preferably, the valve core rod is rotatably connected with the valve core plate, and after the valve core rod rotates, the oil inlet hole is communicated with the transition hole, the air inlet hole is communicated with the second cavity inlet hole, or the oil inlet hole is communicated with the second cavity inlet hole, and the air inlet hole is communicated with the transition hole.
By adopting the technical scheme, when the valve core rod is rotated to the oil inlet hole to be communicated with the transition hole and the air inlet hole to be communicated with the second cavity inlet hole, hydraulic oil enters the cavity through the oil pipe, the oil inlet hole, the transition hole, the connecting hole and the first cavity inlet hole under the action of the pressure cylinder and pushes the sliding block to slide towards the valve core rod, gas enters the cavity through the gas pipe, the gas inlet, the air inlet hole and the second cavity inlet hole under the action of a gas source and pushes the sliding block to slide towards the direction far away from the valve core rod; when the valve core rod is rotated until the oil inlet hole is communicated with the second cavity inlet hole and the air inlet hole is communicated with the transition hole, hydraulic oil enters the cavity through the oil pipe, the oil inlet hole and the second cavity inlet hole under the action of the pressure cylinder, the sliding block is pushed to slide towards the direction far away from the valve core rod, gas enters the cavity through the gas pipe, the gas inlet, the air inlet hole, the transition hole, the connecting hole and the first cavity inlet hole under the action of a gas source, and the sliding block is pushed to slide towards the valve core rod; because some power chucks are in a clamping state when the piston slides towards the valve core rod, and some power chucks are in a clamping state when the piston slides towards the direction far away from the valve core rod, the valve core rod and the valve core sheet are rotationally connected, the middle-real rotary oil cylinder can be matched with different power chucks through the rotation of the valve core rod, and the application range of the middle-real rotary oil cylinder is expanded.
Preferably, one end of the valve core piece deviating from the cylinder body is connected with an embedding block, one end of the valve core rod close to the valve core piece is coaxially connected with a limiting block, an embedding groove used for embedding the limiting block is formed in the embedding block, a locking nut is in threaded connection with the embedding block, the inner wall of the locking nut is attached to the outer wall of the embedding block, a stop block is connected to the locking nut and located at one end of the limiting block deviating from the valve core piece, and the stop block is attached to the limiting block after the locking nut is screwed down.
Through adopting above-mentioned technical scheme, lock nut and gomphosis piece threaded connection wear to establish lock nut after with the one end that the case pole was equipped with the stopper earlier, again with the inner wall laminating in stopper and gomphosis groove, the dog on the lock nut is located the one end that the stopper deviates from the case piece this moment, screws up lock nut, makes dog and stopper laminating to make the case pole be difficult for having for sliding and rotating of case piece, be convenient for lock the case pole through lock nut and rotate.
Preferably, a thrust sleeve is arranged in the valve cover and located between the oil inlet and the valve core rod, an oil passing hole is formed in the thrust sleeve in a penetrating mode and communicated with the oil inlet and the oil inlet, and a thrust elastic piece used for pushing the thrust sleeve to abut against the end face of the valve core rod is arranged in the valve cover.
By adopting the technical scheme, hydraulic oil sequentially passes through the oil pipe, the oil inlet, the oil passing hole and the oil inlet hole under the action of the pressure cylinder, the thrust sleeve is tightly propped against the valve core rod under the elastic action of the thrust elastic piece, when the hydraulic oil flows to the oil inlet hole from the oil passing hole, the hydraulic oil is not easy to flow out from a gap between the valve core rod and the thrust sleeve, and the hydraulic oil consumed for controlling the operation of the middle-rotation oil cylinder is saved.
Preferably, be equipped with the thrust groove that is used for placing the thrust sleeve in the valve gap, be connected with the sealing washer on the valve gap, set up the seal groove that is used for placing the sealing washer on the inner wall in thrust groove, the outer wall laminating in sealing washer and thrust groove.
By adopting the technical scheme, through the arrangement of the sealing ring, the hydraulic oil flowing from the oil inlet to the oil passing hole is not easy to flow out from the thrust groove, and the hydraulic oil consumed by the operation of the actual rotary oil cylinder in the control process is further saved.
Preferably, the valve core piece is connected with a steel ball in a sliding manner, the valve core rod is provided with a first positioning groove and a second positioning groove, the first positioning groove and the second positioning groove are used for embedding the steel ball, the valve core piece is provided with a positioning elastic piece used for driving the steel ball to slide towards the valve core rod, the oil inlet hole is communicated with the transition hole when the steel ball is located in the first positioning groove, and the oil inlet hole is communicated with the second cavity inlet hole when the steel ball is located in the second positioning groove.
Through adopting above-mentioned technical scheme, when need switching over well reality rotary cylinder from income oilhole and transition hole intercommunication to the oilhole and second income locular hole intercommunication, rotate the case pole, the steel ball slides out from first constant head tank earlier, and in the steel ball can imbed the second constant head tank under the effect of location elastic component when the oilhole goes into the locular hole intercommunication with the second, the steel ball sends the collision sound when with case pole butt to the operating personnel of being convenient for judges case pole pivoted angle.
Preferably, the valve core rod is symmetrically provided with planes, and the planes are located between the valve body and the valve core plate.
By adopting the technical scheme, the valve core rod is convenient for an operator to control the rotation of the valve core rod through the auxiliary tool by the arrangement of the two planes.
Preferably, one end of the valve core piece close to the cylinder body is connected with one or more guide columns, and a guide through hole for the guide columns to slide is formed in the sliding block in a penetrating mode.
Through adopting above-mentioned technical scheme, through the setting of guide post, provide the direction for sliding of sliding block in the cavity on the one hand, on the other hand makes sliding block be difficult for at the cavity internal rotation, has promoted sliding block's stability in the cavity.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the pressure cylinder and the air source provide driving force for the middle solid rotary oil cylinder, so that the sliding of the piston in the middle solid rotary oil cylinder is controlled, and the clamping and the loosening of the power chuck are controlled;
2. because some power chucks are in a clamping state when the piston slides towards the valve core rod, and some power chucks are in a clamping state when the piston slides towards the direction far away from the valve core rod, the valve core rod and the valve core sheet are rotationally connected, the middle-real rotary oil cylinder can be matched with different power chucks through the rotation of the valve core rod, and the application range of the middle-real rotary oil cylinder is expanded.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
FIG. 2 is a sectional view of the steel ball positioned in the first positioning groove in the embodiment of the present application.
Fig. 3 is an exploded view of the overall structure of the embodiment of the present application.
FIG. 4 is a sectional view of the ball positioning structure in the second detent of the embodiment of the present application.
FIG. 5 is a schematic view of a steel ball structure in the embodiment of the present application.
Description of the reference numerals: 1. a valve cover; 11. an oil inlet; 12. a thrust groove; 13. a thrust spring; 14. a sealing groove; 141. a seal ring; 2. a valve body; 21. an air inlet; 22. a ring groove; 23. a bearing; 3. a valve core rod; 31. a limiting block; 311. a first positioning groove; 312. a second positioning groove; 32. an oil inlet hole; 33. air inlet holes; 34. a plane; 4. a valve core sheet; 41. a fitting block; 411. a fitting groove; 42. a guide post; 43. a second cavity entrance hole; 44. a transition hole; 45. steel balls; 451. a sliding groove; 452. a positioning spring; 5. a cylinder body; 51. a cavity; 52. a bolt; 53. connecting holes; 54. a first cavity entrance hole; 6. a piston; 61. a sliding block; 611. a guide through hole; 62. a slide bar; 7. locking the nut; 71. a stopper; 8. a thrust sleeve; 81. and an oil passing hole.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a middle-solid rotary oil cylinder controlled by a pressure cylinder, and with reference to fig. 1, 2 and 3, the middle-solid rotary oil cylinder comprises a valve cover 1, a valve body 2, a valve core rod 3, a valve core sheet 4 and a cylinder body 5; the cylinder body 5 is cylindrical, the piston 6 is connected to the cylinder body 5 in a sliding manner, a cavity 51 for the piston 6 to slide is coaxially formed in the cylinder body 5, one end of the cavity 51 is located in the cylinder body 5, the other end of the cavity 51 extends out of the cylinder body 5, the valve core piece 4 is used for sealing the cavity 51, the valve core piece 4 and the cylinder body 5 are fixed through a bolt 52, and the outer diameter of the valve core piece 4 is the same as that of the cylinder body 5; the valve body 2 is hollow cylinder form, and the one end coaxial fixed of valve gap 1 and valve body 2, the one end of case pole 3 and the one end coaxial fixed that the case piece 4 deviates from the cylinder body 5, and the other end of case pole 3 runs through the valve body 2 and extends to in the valve gap 1, and the outer wall of case pole 3 is laminated with the inner wall of valve body 2, and case pole 3 is coaxial setting with valve body 2.
Referring to fig. 2 and 3, the piston 6 includes a sliding block 61 and a sliding rod 62, the outer diameter of the sliding block 61 is the same as the inner diameter of the cavity 51, the outer side wall of the sliding block 61 is attached to the inner wall of the cavity 51, the sliding rod 62 is arranged along the axial direction of the cylinder 5, one end of the sliding rod 62 is coaxially fixed with the sliding block 61, and the other end of the sliding rod 62 penetrates through the cylinder 5; the valve core sheet 4 is fixedly connected with two guide columns 42, the guide columns 42 are located in the cavity 51, the guide columns 42 are arranged along the axial direction of the cylinder body 5, the two guide columns 42 are arranged along the radial direction of the valve core sheet 4 and are respectively located on two sides of the sliding rod 62, a guide through hole 611 for the guide columns 42 to slide penetrates through the sliding block 61, and the distance between one end, away from the valve core sheet 4, of each guide column 42 and the bottom wall of the cavity 51 is smaller than the thickness of the sliding block 61; through the setting of guide post 42, provide the direction for the gliding of sliding block 61 in cavity 51, promoted the stability that sliding block 61 slided in cavity 51.
Referring to fig. 2 and 4, a connecting hole 53 and a first cavity entering hole 54 are formed in the cylinder body 5, the first cavity entering hole 54 is communicated with the cavity 51, the communicating position of the first cavity entering hole 54 and the cavity 51 is located at one end, away from the valve core plate 4, of the sliding block 61, the connecting hole 53 is arranged along the axial direction of the cylinder body 5, one end of the connecting hole 53 is communicated with the first cavity entering hole 54, the other end of the connecting hole 53 extends out of the cylinder body 5, a second cavity entering hole 43 and a transition hole 44 are formed in the valve core plate 4, when the valve core plate 4 is fixed with the shell, the second cavity entering hole 43 is communicated with the cavity 51, and the transition hole 44 is communicated with the connecting hole 53.
Referring to fig. 2, 3 and 4, the valve core rod 3 is rotatably connected with the valve core plate 4, an engagement block 41 is coaxially fixed at one end of the valve core plate 4 away from the cylinder 5, and the engagement block 41 is arranged along the axial direction of the cylinder 5; a limiting block 31 is coaxially fixed at one end of the valve core rod 3 close to the valve core piece 4, the outer diameter of the limiting block 31 is larger than that of the valve core rod 3, an embedding groove 411 for embedding the limiting block 31 is coaxially formed in the embedding block 41, and the inner diameter of the embedding groove 411 is the same as the outer diameter of the limiting block 31; the locking nut 7 is connected to the embedded block 41 through a thread, the inner wall of the locking nut 7 is attached to the outer wall of the embedded block 41, a stopper 71 is coaxially fixed to one end, away from the valve core piece 4, of the locking nut 7, the stopper 71 is arranged in an annular shape, the inner diameter of the stopper 71 is larger than the outer diameter of the valve core rod 3 and smaller than the outer diameter of the stopper 31, after the locking nut 7 is screwed, the stopper 71 is located at one end, away from the valve core piece 4, of the stopper 31, two ends of the stopper 31 are respectively attached to the stopper 71 and the inner wall of the embedded groove 411, and under the matching of the embedded block 41 and the locking nut 7, the valve core rod 3 is fixed to the valve core piece 4 and the rotation of the valve core rod 3 relative to the valve core piece 4 is locked.
Referring to fig. 2 and 4, the valve core rod 3 is provided with an oil inlet hole 32 and an air inlet hole 33, after the valve core rod 3 rotates, the oil inlet hole 32 is communicated with the transition hole 44, the air inlet hole 33 is communicated with the second cavity inlet hole 43, or the oil inlet hole 32 is communicated with the second cavity inlet hole 43, and the air inlet hole 33 is communicated with the transition hole 44; the valve cover 1 is provided with an oil inlet 11 communicated with the oil inlet hole 32, the oil inlet 11 is formed along the axial direction of the valve core rod 3, the side wall of the valve body 2 is provided with an air inlet 21 communicated with the air inlet hole 33, and the air inlet 21 is formed along the radial direction of the valve body 2; when the valve is actually used, an oil pipe is fixedly connected to the valve cover 1, one end of the oil pipe is communicated with the oil inlet 11, the other end of the oil pipe is connected and communicated with the pressure cylinder, an air pipe is fixedly connected to the valve body 2, one end of the air pipe is communicated with the air inlet 21, and the other end of the air pipe is connected and communicated with an air source; through the arrangement that the valve core rod 3 is rotationally connected with the valve core sheet 4, the middle-solid rotary oil cylinder can be matched with different power chucks through the rotation of the valve core rod 3, and the application range of the middle-solid rotary oil cylinder is expanded.
Referring to fig. 2 and 4, in order to make the normal use of the air pipe and the oil pipe not easily affected by the rotation of the valve core rod 3, the valve core rod 3 is also in rotational connection with the valve body 2, and when the valve core rod 3 rotates, the valve cover 1, the valve body 2, the valve core plate 4 and the cylinder body 5 are relatively static; the inner wall of the valve body 2 is coaxially provided with a ring groove 22, and both the air inlet 21 and the air inlet 33 are communicated with the ring groove 22, so that the communication between the air inlet 21 and the air inlet 33 is not easily influenced by the rotation of the valve core rod 3.
When the valve core rod 3 rotates to the oil inlet hole 32 to be communicated with the transition hole 44, and the air inlet hole 33 is communicated with the second cavity inlet hole 43, hydraulic oil can enter the cavity 51 through the oil pipe, the oil inlet 11, the oil inlet hole 32, the transition hole 44, the connecting hole 53 and the first cavity inlet hole 54 in sequence under the action of the pressure cylinder, and the sliding block 61 is pushed to slide towards the valve core rod 3; the gas can sequentially enter the cavity 51 through the gas pipe, the gas inlet 21, the gas inlet hole 33 and the second cavity inlet hole 43 under the action of a gas source, and the sliding block 61 is pushed to slide towards the direction far away from the valve core rod 3, so that the clamping and the loosening of the power chuck are controlled.
When the valve core rod 3 rotates to the oil inlet hole 32 to be communicated with the second cavity inlet hole 43 and the air inlet hole 33 to be communicated with the transition hole 44, hydraulic oil enters the cavity 51 through the oil pipe, the oil inlet 11, the oil inlet hole 32 and the second cavity inlet hole 43 in sequence under the action of the pressure cylinder, the sliding block 61 is pushed to slide towards the direction far away from the valve core rod 3, gas enters the cavity 51 through the gas pipe, the gas inlet 21, the air inlet hole 33, the transition hole 44, the connecting hole 53 and the first cavity inlet hole 54 in sequence under the action of a gas source, and the sliding block 61 is pushed to slide towards the valve core rod 3, so that the clamping and the loosening of the power chuck are controlled.
Referring to fig. 2 and 4, two bearings 23 are coaxially fixed in the valve body 2, the two bearings 23 are respectively located at the outer walls of the valve core rod 3 at the two ends of the annular groove 22 and are attached to the inner walls of the bearings 23, and the stability of the rotation of the valve core rod 3 in the valve body 2 is improved by the arrangement of the bearings 23; a thrust sleeve 8 is arranged in the valve cover 1, the thrust sleeve 8 is positioned between the oil inlet 11 and the valve core rod 3, an oil passing hole 81 communicated with the oil inlet 11 and the oil inlet hole 32 is formed in the thrust sleeve 8 in a penetrating mode, a thrust groove 12 for placing the thrust sleeve 8 is formed in the valve cover 1, and a thrust elastic part for pushing the thrust sleeve 8 to be tightly abutted against the valve core rod 3 is arranged in the valve cover 1; a sealing ring 141 is embedded on the valve cover 1, a sealing groove 14 for placing the sealing ring 141 is formed in the inner wall of the thrust groove 12, and the sealing ring 141 is attached to the outer wall of the thrust groove 12; through the arrangement of the thrust sleeve 8 and the sealing ring 141, hydraulic oil flowing from the oil inlet 11 to the oil passing hole 81 is not easy to flow out of the thrust groove 12, and hydraulic oil flowing from the oil passing hole 81 to the oil inlet hole 32 is not easy to flow out of a gap between the valve core rod 3 and the thrust sleeve 8, so that hydraulic oil consumed by the operation of the real-rotation oil cylinder in control is saved.
Referring to fig. 3 and 5, the valve core 4 is slidably connected with a steel ball 45, a sliding groove 451 for sliding the steel ball 45 is formed in the valve core 4, the sliding groove 451 is communicated with the fitting groove 411, the sliding groove 451 is axially arranged along the cylinder body 5, and the limiting block 31 is provided with a first positioning groove 311 and a second positioning groove 312 for fitting the steel ball 45; the valve core piece 4 is provided with a positioning elastic piece for driving the steel ball 45 to slide towards the valve core rod 3, in the embodiment, the positioning elastic piece is a positioning spring 452, one end of the positioning spring 452 is fixed with the inner wall of the sliding groove 451, and the other end of the positioning spring 452 is fixed with the steel ball 45; when the middle-solid rotary oil cylinder needs to be communicated and switched to the oil inlet hole 32 and the second cavity inlet hole 43 from the oil inlet hole 32 and the transition hole 44, the valve core rod 3 is rotated, the steel ball 45 firstly slides out of the first positioning groove 311, when the oil inlet hole 32 is communicated with the second cavity inlet hole 43, the steel ball 45 can be embedded into the second positioning groove 312 under the action of the positioning elastic piece, and the steel ball 45 makes a collision sound when being abutted against the valve core rod 3, so that the rotation angle of the valve core rod 3 can be conveniently judged.
Referring to fig. 3 and 5, two sections of planes 34 are fixedly connected to the valve core rod 3, the two sections of planes 34 are both located between the valve body 2 and the valve core plate 4, and the two sections of planes 34 are symmetrically arranged with the axis of the valve core rod 3 as the center; through the setting of two sections planes 34, be convenient for operating personnel to pass through appurtenance control case pole 3 and rotate, in this embodiment, the spanner can be chooseed for use to the operating tool.
The implementation principle of the middle-solid rotary oil cylinder controlled by the pressure cylinder in the embodiment of the application is as follows: when the middle-sized rotary oil cylinder is in a state that the oil inlet hole 32 is communicated with the transition hole 44 and the air inlet hole 33 is communicated with the second cavity inlet hole 43, hydraulic oil can sequentially enter the cavity 51 through the oil pipe, the oil inlet 11, the oil passing hole 81, the oil inlet hole 32, the transition hole 44, the connecting hole 53 and the first cavity inlet hole 54 under the action of the pressure cylinder, and the sliding block 61 is pushed to slide towards the valve core rod 3; the gas can sequentially enter the cavity 51 through the gas pipe, the gas inlet 21, the gas inlet hole 33 and the second cavity inlet hole 43 under the action of a gas source, and the sliding block 61 is pushed to slide towards the direction far away from the valve core rod 3, so that the clamping and the loosening of the power chuck are controlled.
When the middle-solid rotary oil cylinder needs to be switched to a state that the oil inlet hole 32 is communicated with the second cavity inlet hole 43 and the air inlet hole 33 is communicated with the transition hole 44, the locking nut 7 is unscrewed, the valve core rod 3 is rotated through a wrench, the steel ball 45 slides out of the first positioning groove 311, the steel ball 45 is embedded into the second positioning groove 312 under the action of the positioning elastic piece when the oil inlet hole 32 is communicated with the second cavity inlet hole 43, the steel ball 45 makes a collision sound when being abutted against the valve core rod 3, and then the locking nut 7 is screwed to complete switching; at the moment, hydraulic oil enters the cavity 51 sequentially through the oil pipe, the oil inlet 11, the oil passing hole 81, the oil inlet hole 32 and the second cavity inlet hole 43 under the action of the pressure cylinder, and pushes the sliding block 61 to slide towards the direction far away from the valve core rod 3; the gas can sequentially enter the cavity 51 through the gas pipe, the gas inlet 21, the gas inlet hole 33, the transition hole 44, the connecting hole 53 and the first cavity entering hole 54 under the action of a gas source, and the sliding block 61 is pushed to slide towards the valve core rod 3.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a well real hydro-cylinder that turns around of pressure cylinder control, includes case pole (3) and cylinder body (5), case pole (3) are connected with cylinder body (5), its characterized in that: sliding connection has piston (6) on cylinder body (5), piston (6) are including sliding block (61) and slide rod (62), be equipped with cavity (51) that are used for supplying sliding block (61) to slide in cylinder body (5), the lateral wall of sliding block (61) is laminated with the inner wall of cavity (51), the one end and the sliding block (61) of slide rod (62) are connected, cylinder body (5) are run through to the other end of slide rod (62), oil inlet hole (32) and income gas pocket (33) have been seted up on case pole (3), set up on cylinder body (5) and go into cavate (54) and second with cavity (51) intercommunication and go into cavate (43), first income cavate hole (54) and second are located the both sides of sliding block (61) respectively, first income cavate hole (54) and income oil pocket (32) intercommunication, chamber hole (43) and income gas source (33) intercommunication are gone into to the second, go into oilhole (32) and pressure boost cylinder (33) intercommunication.
2. The pressurized cylinder controlled middle-pressure swing cylinder according to claim 1, characterized in that: the one end that slide bar (62) was kept away from in cylinder body (5) is the opening form setting, be connected with on cylinder body (5) and be used for sealing cylinder body (5) open-ended valve core piece (4), valve core pole (3) are connected with valve core piece (4), chamber hole (43) are gone into to the second is located valve core piece (4), transition hole (44) have still been seted up on valve core piece (4), connecting hole (53) have been seted up on cylinder body (5), the one end and the first chamber hole (54) intercommunication of going into of connecting hole (53), the other end of connecting hole (53) extends to outside cylinder body (5), transition hole (44) and connecting hole (53) intercommunication when valve core piece (4) are connected with cylinder body (5), the one end that connecting hole (53) were kept away from in transition hole (44) with go into oilhole (32) intercommunication.
3. The pressurized cylinder controlled solid center rotary cylinder of claim 2, wherein: the pressure-increasing valve is characterized in that a valve body (2) is connected to the valve core rod (3), one end, far away from the cylinder body (5), of the valve body (2) is connected with a valve cover (1), one end, far away from the cylinder body (5), of the valve core rod (3) penetrates through the valve body (2) and extends into the valve cover (1), an oil inlet (11) communicated with an oil inlet hole (32) is formed in the valve cover (1), the pressure-increasing cylinder is connected with the valve cover (1) and is communicated with the oil inlet (11), an air inlet (21) communicated with an air inlet hole (33) is formed in the valve body (2), and an air source is connected with the valve body (2) and is communicated with the air inlet (21).
4. The pressurized cylinder controlled middle-pressure swing cylinder according to claim 3, characterized in that: the valve core rod (3) is rotationally connected with the valve core sheet (4), after the valve core rod (3) rotates, the oil inlet hole (32) is communicated with the transition hole (44), the air inlet hole (33) is communicated with the second cavity inlet hole (43), or the oil inlet hole (32) is communicated with the second cavity inlet hole (43), and the air inlet hole (33) is communicated with the transition hole (44).
5. The pressurized cylinder controlled middle-pressure swing cylinder according to claim 4, characterized in that: the one end that deviates from cylinder body (5) of valve core piece (4) is connected with gomphosis piece (41), the one end coaxial coupling that valve core pole (3) is close to valve core piece (4) has stopper (31), set up on gomphosis piece (41) and be used for supplying gomphosis groove (411) of stopper (31) embedding, threaded connection has lock nut (7) on gomphosis piece (41), the inner wall of lock nut (7) and the outer wall laminating of gomphosis piece (41), be connected with dog (71) on lock nut (7), dog (71) are located the one end that stopper (31) deviate from valve core piece (4), dog (71) and stopper (31) laminating after lock nut (7) are screwed up.
6. The pressurized cylinder controlled middle-pressure swing cylinder according to claim 4, characterized in that: the anti-thrust valve is characterized in that a thrust sleeve (8) is arranged in the valve cover (1), the thrust sleeve (8) is located between the oil inlet (11) and the valve core rod (3), an oil passing hole (81) is formed in the thrust sleeve (8) in a penetrating mode, the oil passing hole (81) is communicated with the oil inlet (11) and the oil inlet hole (32), and a thrust elastic part used for pushing the thrust sleeve (8) to abut against the end face of the valve core rod (3) is arranged in the valve cover (1).
7. The pressurized cylinder controlled solid center rotary cylinder of claim 6, wherein: be equipped with thrust groove (12) that are used for placing thrust sleeve (8) in valve gap (1), be connected with sealing washer (141) on valve gap (1), offer seal groove (14) that are used for placing sealing washer (141) on the inner wall of thrust groove (12), the outer wall laminating of sealing washer (141) and thrust groove (12).
8. The pressurized cylinder controlled middle-pressure swing cylinder according to claim 4, characterized in that: the sliding connection of the valve core piece (4) is provided with a steel ball (45), the valve core rod (3) is provided with a first positioning groove (311) and a second positioning groove (312) which are used for embedding the steel ball (45), the valve core piece (4) is provided with a positioning elastic piece which is used for driving the steel ball (45) to slide towards the valve core rod (3), when the steel ball (45) is located in the first positioning groove (311), the oil inlet hole (32) is communicated with the transition hole (44), and when the steel ball (45) is located in the second positioning groove (312), the oil inlet hole (32) is communicated with the second cavity inlet hole (43).
9. The pressurized cylinder controlled middle-pressure swing cylinder according to claim 4, characterized in that: the valve core rod (3) is symmetrically provided with planes (34), and the planes (34) are located between the valve body (2) and the valve core sheet (4).
10. The pressurized cylinder controlled middle-pressure swing cylinder according to claim 2, characterized in that: one end of the valve core sheet (4) close to the cylinder body (5) is connected with one or more guide columns (42), and a guide through hole (611) for the guide columns (42) to slide is formed in the sliding block (61) in a penetrating mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211676486.1A CN115875341B (en) | 2022-12-26 | 2022-12-26 | Middle-solid rotary oil cylinder controlled by booster cylinder |
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| CN202211676486.1A CN115875341B (en) | 2022-12-26 | 2022-12-26 | Middle-solid rotary oil cylinder controlled by booster cylinder |
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| CN115875341B CN115875341B (en) | 2024-06-07 |
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|---|---|
| CN115875341B (en) | 2024-06-07 |
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