CN111255768A - Special clamping oil cylinder for quick die change of forging production line - Google Patents
Special clamping oil cylinder for quick die change of forging production line Download PDFInfo
- Publication number
- CN111255768A CN111255768A CN202010212025.3A CN202010212025A CN111255768A CN 111255768 A CN111255768 A CN 111255768A CN 202010212025 A CN202010212025 A CN 202010212025A CN 111255768 A CN111255768 A CN 111255768A
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- Prior art keywords
- oil inlet
- cylinder
- cylinder barrel
- inlet channel
- guide
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1433—End caps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1471—Guiding means other than in the end cap
Abstract
The invention discloses a special clamping oil cylinder for rapid die change of a forging production line, and relates to the field of forging production line equipment; comprises a cylinder barrel, a piston rod, a lower sealing cover and a guide rod arranged in the lower sealing cover; the piston rod is provided with a piston end, the bottom of the piston end is provided with guide holes, two semicircular grooves are symmetrically formed in the inner wall of the guide holes, first steel balls are arranged in the semicircular grooves, two vertical guide grooves are formed in the side wall of each guide rod, the upper portion of each guide rod is inserted into the corresponding guide hole, the two first steel balls are respectively located in the two guide grooves, the top of the piston rod penetrates through the cylinder barrel and then is connected with a clamping cylinder nut, the clamping cylinder nut tightly presses the upper auxiliary die base and the upper main die base when the cylinder is clamped, and the cylinder barrel is arranged in; a first oil inlet channel communicated with a cavity in the cylinder barrel above the piston end and a second oil inlet channel communicated with a cavity in the cylinder barrel below the piston end are formed in the side wall of the cylinder barrel; the invention can save the time of screwing the bolt when replacing the die carrier and reduce the working intensity of workers.
Description
Technical Field
The invention relates to the technical field of related equipment of a forging production line, in particular to a clamping oil cylinder special for quick die change of the forging production line.
Background
Forging equipment is the mechanical equipment who is used for taking shape and separating in forging processing, and the forging in-process need adopt upper and lower die holder to mutually support, need often change the mould to different forgings, and the connected mode of forging at present with main, vice die holder mainly adopts bolted connection, all need install repeatedly and dismantle the bolt when changing the mould at every turn, wastes time and energy.
Disclosure of Invention
The invention aims to provide a special clamping oil cylinder for quick die change of a forging production line, which is used for solving the problems in the prior art, saving the time for screwing bolts when a die frame is changed and reducing the working strength of workers.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a special clamping oil cylinder for rapid die change of a forging production line, which comprises a cylinder barrel, a piston rod and a guide rod, wherein the cylinder barrel is provided with a cylinder head; the bottom of the cylinder barrel is hermetically connected with a lower sealing cover, the top of the lower sealing cover is provided with a step hole, and the bottom of the guide rod is fixedly arranged in the step hole of the lower sealing cover through a shaft clamp; a piston end is arranged below the piston rod, a guide hole is formed in the bottom of the piston rod, two semicircular grooves are symmetrically formed in the inner wall of the guide hole, first steel balls are mounted in the semicircular grooves, two vertical guide grooves are symmetrically formed in the side wall of the guide rod, the guide hole of the piston rod is sleeved in the guide rod, the two first steel balls are respectively located in the two guide grooves, the threaded end of the top of the piston rod is screwed with a clamping oil cylinder nut and is inserted and prevented from loosening through an elastic cylindrical pin, the clamping oil cylinder nut compresses the upper auxiliary die base and the upper main die base when an oil cylinder is clamped, and the cylinder barrel is fixedly mounted in the upper main die base; a first oil inlet channel and a second oil inlet channel are respectively formed in the side wall of the cylinder barrel, the first oil inlet channel is connected with a first oil inlet, the second oil inlet channel is connected with a second oil inlet, and sealing rings are arranged at the first oil inlet and the second oil inlet; the first oil inlet channel is communicated with a cavity in the cylinder barrel, which is positioned above the piston end, and the second oil inlet channel is communicated with a cavity in the cylinder barrel, which is positioned below the piston end; the bottom of the first oil inlet channel and the bottom of the second oil inlet channel are connected with the lower sealing cover through connecting parts, and first plugs are installed at the connecting parts of the first oil inlet channel and the second oil inlet channel.
Optionally, horizontal side holes are symmetrically formed in two ends of the lower sealing cover, ejector pins are arranged in the side holes, rectangular springs are connected to the inner sides of the ejector pins, the tail ends of the rectangular springs are pressed by hexagon socket head cap flat end set screws, and the hexagon socket head cap flat end set screws are fixedly connected with the side holes; a semicircular groove is formed in the outer side of the thimble, and a second steel ball is arranged in the semicircular groove in the outer side of the thimble; and the side wall of the guide rod, which is positioned at the position of the side hole, is provided with a semicircular groove, and the outer side of the second steel ball is positioned in the semicircular groove.
Optionally, a combined dustproof ring and a combined rod sealing ring are sequentially arranged between the piston rod and the top of the cylinder barrel; and a piston combined sealing ring is sleeved on the side wall of the piston end of the piston rod.
Optionally, a stage is arranged between the guide groove on the guide rod and the semicircular groove, and a sealing ring is mounted on the stage.
Optionally, the cylinder barrel is fixedly connected with the lower sealing cover through an inner hexagon screw; the upper end of the lower sealing cover is nested in the cavity of the cylinder barrel, and a sealing ring is arranged between the upper end of the lower sealing cover and the inner wall of the cylinder barrel; and a sealing ring is arranged at the joint of the oil port of the lower sealing cover and the oil port of the cylinder barrel.
Optionally, the sealing ring is an O-ring, a combined sealing ring or a dust ring.
Optionally, the top thread of the piston rod is tightly screwed with the nut of the clamping cylinder and then is tightly inserted and prevented from loosening through the elastic cylindrical pin.
Compared with the prior art, the invention has the following technical effects:
according to the special clamping oil cylinder for quickly changing the die of the forging production line, the nut of the clamping oil cylinder moves up and down along with the piston rod under the control of the first oil inlet and the second oil inlet, the piston rod moves down to press the lower auxiliary die holder and the lower main die holder tightly, and the piston rod moves up to loosen the lower auxiliary die holder and the lower main die holder, so that the purpose of quickly changing the die holders is achieved; the piston rod is provided with a straight guide groove, and the piston rod can be ensured not to deflect through the movement of the first steel ball in the guide groove.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of a clamping cylinder dedicated for rapid die change in a forging line according to the present invention;
FIG. 2 is a side view of a clamping cylinder dedicated to rapid die change in a forging line according to the present invention;
FIG. 3 is a schematic view of an exploded part of the clamping cylinder dedicated for rapid die change in a forging line according to the present invention;
FIG. 4 is a schematic view of an oil inlet of a clamping oil cylinder special for rapid die change of a forging line;
FIG. 5 is a schematic view showing a loosening state of the main and auxiliary die holders of the clamping cylinder for rapid die change in the forging line according to the present invention;
FIG. 6 is a schematic view showing the pressing state of the main and auxiliary die holders of the clamping cylinder for rapid die change in the forging line according to the present invention;
wherein: the device comprises a cylinder barrel 1, a piston rod 2, a guide rod 3, a lower sealing cover 4, a shaft clamp 5, a first steel ball 6, a guide groove 7, a clamping cylinder nut 8, a lower auxiliary die holder 9, a lower main die holder 10, a first oil inlet channel 11, a second oil inlet channel 12, a first oil inlet 13, a second oil inlet 14, a first plug 15, a second plug 16, an ejector pin 17, a rectangular spring 18, an inner hexagonal flat end fastening screw 19, a second steel ball 20, a combined dust ring 21, a combined rod sealing ring 22, a piston combined sealing ring 23, a platform stage 24, a sealing ring 25, an inner hexagonal screw 26, an elastic cylindrical pin 27 and screws 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a special clamping oil cylinder for quick die change of a forging production line, which is used for solving the problems in the prior art, saving the time for screwing bolts when a die frame is changed and reducing the working strength of workers.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a special clamping oil cylinder for rapid die change of a forging production line, which comprises a cylinder barrel 1, a piston rod 2 and a guide rod 3 as shown in figures 1-6; the bottom of the cylinder barrel 1 is hermetically connected with a lower sealing cover 4, the top of the lower sealing cover 4 is provided with a step hole, and the bottom of the guide rod 3 is fixedly arranged in the step hole of the lower sealing cover 4 through a shaft clamp 5; a piston end is arranged below the piston rod 2, a guide hole is formed in the bottom of the piston rod, two semicircular grooves are symmetrically formed in the inner wall of the guide hole, first steel balls 6 are mounted in the semicircular grooves, two vertical guide grooves 7 are symmetrically formed in the side wall of the guide rod 3, the guide hole of the piston rod is sleeved in the guide rod 3, the outer side surfaces of the two first steel balls 6 are respectively located in the two guide grooves 7 and can roll along the guide grooves 7, and the bottom of the piston rod 2 is tightly attached to the lower sealing cover 4; the threaded end at the top of the piston rod 2 is screwed with a clamping oil cylinder nut 8 and is tightly inserted and anti-loose through an elastic cylindrical pin 27, the clamping oil cylinder nut 8 is fixedly connected with a lower auxiliary die holder 9, and the cylinder barrel 1 is fixedly arranged on a lower main die holder 10 through a screw 28; a first oil inlet channel 11 and a second oil inlet channel 12 are respectively formed in the side wall of the cylinder barrel 1, the first oil inlet channel 11 is connected with a first oil inlet 13, the second oil inlet channel 12 is connected with a second oil inlet 14, and sealing rings 25 are respectively arranged at the first oil inlet 13 and the second oil inlet 14; the first oil inlet channel 11 is communicated with a cavity above the piston end in the cylinder barrel 1, the second oil inlet channel 12 is communicated with a cavity below the piston end in the cylinder barrel 1, the lower sealing cover 4 is provided with a plug hole which is symmetrical to the bottoms of the first oil inlet channel 11 and the second oil inlet channel 12, a first plug 15 is installed in the plug hole, the first plug 15 seals the bottoms of the first oil inlet channel 11 and the second oil inlet channel 12, and the outsides of the first oil inlet channel 11 and the second oil inlet channel 12 are both connected with a second plug 16, so that the first oil inlet channel 11 and the second oil inlet channel 12 only keep oil ports communicated with the cavities of the cylinder barrel 1 above and below the piston end.
Preferably, horizontal side holes are symmetrically formed in two ends of the lower sealing cover 4, ejector pins 17 are arranged in the side holes, rectangular springs 18 are connected to the inner sides of the ejector pins 17, the tail ends of the rectangular springs 18 are pressed by hexagon socket flat end set screws 19, and the hexagon socket flat end set screws 19 are fixedly connected with the side holes; a semicircular groove is formed in the outer side of the thimble 17, and a second steel ball 20 is arranged in the semicircular groove in the outer side of the thimble 17; a semicircular groove is formed in the side wall, located at the side hole, of the guide rod 3, and the outer side of the second steel ball 20 is located in the semicircular groove. A combined dustproof ring 21 and a combined rod sealing ring 22 are sequentially arranged between the piston rod 2 and the top of the cylinder barrel 1, so that the top of the cylinder barrel 1 is hermetically connected with the piston rod 2; the piston end side wall of the piston rod 2 is sleeved with a piston combined sealing ring 23, so that the piston end is in sealing contact with the inner wall of the cavity in the cylinder barrel 1, and the piston end divides the interior of the cylinder barrel 1 into an upper cavity and a lower cavity which are not communicated with each other. A step section 24 is arranged between the guide groove 7 on the guide rod 3 and the semicircular groove, and a sealing ring 25 is arranged on the step section 24. The cylinder barrel 1 is fixedly connected with the lower sealing cover 4 through an inner hexagon screw 26; the upper end of the lower sealing cover 4 is nested in the cavity of the cylinder barrel 1, and a sealing ring 25 is arranged between the upper end of the lower sealing cover 4 and the inner wall of the cylinder barrel 1. The seal ring 25 is an O-ring. The top thread of the piston rod 2 is tightly inserted and prevented from loosening through the elastic cylindrical pin after being screwed with the clamping oil cylinder nut 8.
The first oil inlet 13 is used for clamping the lower main die holder 10 and the lower auxiliary die holder 9, and the piston rod 2 moves downwards; the second oil inlet 14 is used for enabling the lower main die holder 10 and the lower auxiliary die holder 9 to be loosened, and the piston rod 2 moves upwards; the clamping oil cylinder is set in a loosening mode, and the lower auxiliary die holder 9 can be pulled out by the die changing mechanism at the moment; after the lower auxiliary die holder 9 is pushed to the correct position by the die changing mechanism, the clamping oil cylinder is placed in a clamping mode, and the nut 8 of the clamping oil cylinder is pressed down to enable the lower auxiliary die holder 9 and the lower main die holder 10 to be tightly pressed. The effective bearing area of the piston rod 2 is 4356mm2The maximum pressing force is 174240N if the maximum pressure can bear 40 MPa; the stroke of the piston rod 2 is 10.2mm, the piston rod 2 is provided with a straight guide groove, and the piston rod 2 can ensure that the piston rod 2 does not deflect through the movement of the first steel ball 6 in the guide groove 7.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (7)
1. The utility model provides a forging line quick die change special use presss from both sides tight hydro-cylinder which characterized in that: comprises a cylinder barrel, a piston rod and a guide rod; the bottom of the cylinder barrel is hermetically connected with a lower sealing cover, the top of the lower sealing cover is provided with a step hole, and the bottom of the guide rod is fixedly arranged in the step hole of the lower sealing cover through a shaft clamp; a piston end is arranged below the piston rod, a guide hole is formed in the bottom of the piston rod, two semicircular grooves are symmetrically formed in the inner wall of the guide hole, first steel balls are mounted in the semicircular grooves, two vertical guide grooves are symmetrically formed in the side wall of the guide rod, the guide hole of the piston rod is sleeved in the guide rod, the two first steel balls are respectively located in the two guide grooves, the threaded end of the top of the piston rod is screwed with a clamping oil cylinder nut and is inserted and prevented from loosening through an elastic cylindrical pin, the clamping oil cylinder nut compresses the upper auxiliary die base and the upper main die base when an oil cylinder is clamped, and the cylinder barrel is fixedly mounted in the upper main die base; a first oil inlet channel and a second oil inlet channel are respectively formed in the side wall of the cylinder barrel, the first oil inlet channel is connected with a first oil inlet, the second oil inlet channel is connected with a second oil inlet, and sealing rings are arranged at the first oil inlet and the second oil inlet; the first oil inlet channel is communicated with a cavity in the cylinder barrel, which is positioned above the piston end, and the second oil inlet channel is communicated with a cavity in the cylinder barrel, which is positioned below the piston end; the bottom of the first oil inlet channel and the bottom of the second oil inlet channel are connected with the lower sealing cover through connecting parts, and first plugs are installed at the connecting parts of the first oil inlet channel and the second oil inlet channel.
2. The special clamping cylinder for rapidly changing the die of the forging line as recited in claim 1, wherein: horizontal side holes are symmetrically formed in two ends of the lower sealing cover, ejector pins are arranged in the side holes, rectangular springs are connected to the inner sides of the ejector pins, the tail ends of the rectangular springs are tightly pressed through hexagon socket flat end set screws, and the hexagon socket flat end set screws are fixedly connected with the side holes; a semicircular groove is formed in the outer side of the thimble, and a second steel ball is arranged in the semicircular groove in the outer side of the thimble; and the side wall of the guide rod, which is positioned at the position of the side hole, is provided with a semicircular groove, and the outer side of the second steel ball is positioned in the semicircular groove.
3. The clamping cylinder special for rapidly changing the die of the forging line as recited in claim 2, wherein: a combined dustproof ring and a combined rod sealing ring are sequentially arranged between the piston rod and the top of the cylinder barrel; and a piston combined sealing ring is sleeved on the side wall of the piston end of the piston rod.
4. The clamping cylinder special for rapid die change of the forging line as recited in claim 3, wherein: a platform stage is arranged between the guide groove on the guide rod and the semicircular groove, and a sealing ring is arranged on the platform stage.
5. The clamping cylinder special for rapid die change of the forging line as recited in claim 4, wherein: the cylinder barrel is fixedly connected with the lower sealing cover through an inner hexagon screw; the upper end of the lower sealing cover is nested in the cavity of the cylinder barrel, and a sealing ring is arranged between the upper end of the lower sealing cover and the inner wall of the cylinder barrel; and a sealing ring is arranged at the joint of the oil port of the lower sealing cover and the oil port of the cylinder barrel.
6. The clamping cylinder special for rapid die change of the forging line as recited in claim 5, wherein: the sealing rings are all O-shaped sealing rings, combined sealing rings or dust-proof rings.
7. The clamping cylinder special for rapidly changing the die of the forging line as recited in claim 2, wherein: and the top thread of the piston rod is tightly inserted and prevented from loosening through the elastic cylindrical pin after being screwed with the nut of the clamping oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010212025.3A CN111255768A (en) | 2020-03-24 | 2020-03-24 | Special clamping oil cylinder for quick die change of forging production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010212025.3A CN111255768A (en) | 2020-03-24 | 2020-03-24 | Special clamping oil cylinder for quick die change of forging production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111255768A true CN111255768A (en) | 2020-06-09 |
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ID=70949782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010212025.3A Pending CN111255768A (en) | 2020-03-24 | 2020-03-24 | Special clamping oil cylinder for quick die change of forging production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111255768A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589955A (en) * | 2022-03-09 | 2022-06-07 | 浙江索特重工科技有限公司 | Automatic clamping device for mold |
-
2020
- 2020-03-24 CN CN202010212025.3A patent/CN111255768A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589955A (en) * | 2022-03-09 | 2022-06-07 | 浙江索特重工科技有限公司 | Automatic clamping device for mold |
| CN114589955B (en) * | 2022-03-09 | 2023-08-29 | 浙江索特重工科技有限公司 | Automatic clamping device for mold |
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