CN111255768B - Special clamping cylinder for quick die change of forging production line - Google Patents
Special clamping cylinder for quick die change of forging production line Download PDFInfo
- Publication number
- CN111255768B CN111255768B CN202010212025.3A CN202010212025A CN111255768B CN 111255768 B CN111255768 B CN 111255768B CN 202010212025 A CN202010212025 A CN 202010212025A CN 111255768 B CN111255768 B CN 111255768B
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- Prior art keywords
- oil inlet
- cylinder barrel
- inlet channel
- piston rod
- guide
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- 238000005242 forging Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 62
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention discloses a clamping cylinder special for quick die change of a forging production line, and relates to the field of forging production line equipment; the device 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 with two semicircular grooves symmetrically arranged on the inner wall, first steel balls are arranged in the semicircular grooves, two vertical guide grooves are arranged on the side wall of the guide rod, the upper part of the guide rod is inserted into the guide holes, the two first steel balls are respectively positioned 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 compresses an upper auxiliary die holder and an upper main die holder when the cylinder is clamped, and the cylinder barrel is arranged in the upper main die holder; the side wall of the cylinder barrel is provided with a first oil inlet channel communicated with a cavity positioned above the piston end in the cylinder barrel and a second oil inlet channel communicated with a cavity positioned below the piston end in the cylinder barrel; the invention can save the time of screwing the bolt when replacing the die carrier and lighten the working intensity of workers.
Description
Technical Field
The invention relates to the technical field of related equipment of forging production lines, in particular to a clamping cylinder special for quick die change of a forging production line.
Background
The forging equipment is mechanical equipment used for forming and separating in forging processing, an upper die holder and a lower die holder are required to be matched with each other in the forging process, dies are required to be replaced frequently according to different forgings, the main die holder and the auxiliary die holder for forging are mainly connected through bolts in the current connecting mode, and bolts are required to be repeatedly installed and detached when the dies are replaced each time, so that time and labor are wasted.
Disclosure of Invention
The invention aims to provide a clamping cylinder special for quick die change of a forging production line, so as to solve the problems in the prior art, save the time for screwing a bolt when a die carrier is replaced, and lighten the working strength of workers.
In order to achieve the above object, the present invention provides the following solutions:
The invention provides a clamping cylinder special for quick die change of a forging production line, which comprises a cylinder barrel, a piston rod and a guide rod; the bottom of the cylinder barrel is connected with a lower sealing cover in a sealing way, a step hole is formed in the top of the lower sealing cover, and the bottom of the guide rod is fixedly arranged in the step hole of the lower sealing cover through a shaft clamp; the lower part of the piston rod is provided with a piston end, the bottom of the piston rod is provided with a guide hole, the inner wall of the guide hole is symmetrically provided with two semicircular grooves, the semicircular grooves are internally provided with first steel balls, the side wall of the guide rod is provided with two symmetrical vertical guide grooves, the guide hole of the piston rod is sleeved on the guide rod, the two first steel balls are respectively positioned in the two guide grooves, the threaded end at the top of the piston rod is tightly screwed with a clamping cylinder nut and is tightly inserted through an elastic cylindrical pin to prevent loosening, the clamping cylinder nut tightly presses an upper auxiliary die holder and an upper main die holder when the cylinder is clamped, and the cylinder barrel is fixedly arranged in the upper main die holder; the cylinder barrel is characterized in that 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 above the piston end, and the second oil inlet channel is communicated with a cavity in the cylinder barrel below the piston end; the first plugs are arranged at the joints of the bottoms of the first oil inlet channel and the second oil inlet channel and the lower sealing cover, and the outer sides of the first oil inlet channel and the second oil inlet channel are respectively connected with the second plugs.
Optionally, two ends of the lower sealing cover are symmetrically provided with horizontal side holes, a thimble is arranged in the side holes, the inner side of the thimble is connected with a rectangular spring, the tail end of the rectangular spring is pressed by an inner hexagonal flat end set screw, and the inner hexagonal flat end set screw is 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; the side wall of the guide rod, which is positioned at 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 dust 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 guiding groove on the guiding rod and the semicircular groove, and a sealing ring is arranged 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 rings are O-shaped sealing rings, combined sealing rings or dust-proof rings.
Optionally, the top thread of the piston rod is tightly inserted and loose-proof through an elastic cylindrical pin after being tightly screwed with the nut of the clamping cylinder.
Compared with the prior art, the invention has the following technical effects:
According to the special clamping cylinder for quick die change of the forging production line, through control of the first oil inlet and the second oil inlet, the clamping cylinder nut moves up and down along with the piston rod, the piston rod moves down to press the lower auxiliary die holder and the lower main die holder, and the piston rod moves up to loosen the lower auxiliary die holder and the lower main die holder, so that the purpose of quick die change 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 of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a clamping cylinder special for quick die change of a forging line;
FIG. 2 is a side view of a clamp cylinder dedicated for quick die change in a forging line of the present invention;
FIG. 3 is a schematic diagram of the disassembled parts of the clamping cylinder special for quick die change of the forging line of the present invention;
FIG. 4 is a schematic view of an oil inlet of a clamping cylinder special for quick die change of the forging line;
FIG. 5 is a schematic diagram showing a master and slave die holder release state of a clamping cylinder special for quick die change in a forging line according to the present invention;
FIG. 6 is a schematic diagram showing a main and auxiliary die holder compression state of a clamping cylinder special for quick die change of a forging line according to the present invention;
wherein: the cylinder barrel is 1, a piston rod is 2, a guide rod is 3, a lower sealing cover is 4, a shaft clamp is 5, a first steel ball is 6, a guide groove is 7, a clamping cylinder nut is 8, a lower auxiliary die holder is 9, a lower main die holder is 10, a first oil inlet channel is 11, a second oil inlet channel is 12, a first oil inlet is 13, a second oil inlet is 14, a first plug is 15, a second plug is 16, a thimble is 17, a rectangular spring is 18, a hexagon socket end fixing screw is 19, a second steel ball is 20, a combined dust ring is 21, a combined rod sealing ring is 22, a piston combined sealing ring is 23, a stage is 24, a sealing ring is 25, an inner hexagonal screw is 26, an elastic cylindrical pin is 27, and a screw is 28.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a clamping cylinder special for quick die change of a forging production line, so as to solve the problems in the prior art, save the time for screwing a bolt when a die carrier is replaced, and lighten the working strength of workers.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
The invention provides a clamping cylinder special for quick die change of a forging production line, which is shown in fig. 1-6 and comprises a cylinder barrel 1, a piston rod 2 and a guide rod 3; the bottom of the cylinder barrel 1 is connected with a lower sealing cover 4 in a sealing way, a step hole is formed in the top of the lower sealing cover 4, 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 installed in the semicircular grooves, two symmetrical vertical guide grooves 7 are formed in the side wall of the guide rod 3, the guide hole of the piston rod is sleeved on the guide rod 3, the outer side faces 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 cylinder nut 8 and is tightly inserted and loosened through an elastic cylindrical pin 27, the clamping cylinder nut 8 is fixedly connected with a lower auxiliary die seat 9, and the cylinder barrel 1 is fixedly arranged on a lower main die seat 10 through a screw 28; the side wall of the cylinder barrel 1 is provided with a first oil inlet channel 11 and a second oil inlet channel 12 respectively, 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 arranged at the first oil inlet 13 and the second oil inlet 14; the first oil inlet channel 11 is communicated with a cavity in the cylinder barrel 1, which is positioned above the piston end, the second oil inlet channel 12 is communicated with a cavity in the cylinder barrel 1, which is positioned below the piston end, the lower sealing cover 4 is provided with plug holes symmetrical to the bottoms of the first oil inlet channel 11 and the second oil inlet channel 12, a first plug 15 is arranged in each plug hole, the bottoms of the first oil inlet channel 11 and the second oil inlet channel 12 are sealed by the first plug 15, and the outer sides of the first oil inlet channel 11 and the second oil inlet channel 12 are respectively connected with a second plug 16, so that the first oil inlet channel 11 and the second oil inlet channel 12 only reserve oil ports communicated with the cavity of the cylinder barrel 1, which is positioned above and below the piston end.
Further preferably, two ends of the lower sealing cover 4 are symmetrically provided with horizontal side holes, a thimble 17 is arranged in the side holes, the inner side of the thimble 17 is connected with a rectangular spring 18, the tail end of the rectangular spring 18 is pressed by an inner hexagonal flat end set screw 19, and the inner hexagonal flat end set screw 19 is 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 of the guide rod 3 at the side hole, and the outer side of the second steel ball 20 is positioned in the semicircular groove. A combined dust 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 ensured to be in sealing connection 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 cylinder barrel 1 into an upper cavity and a lower cavity which are not communicated with each other. A stage 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 stage 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 sealing rings 25 are all O-rings. The top thread of the piston rod 2 is tightly inserted and loose-proof through an elastic cylindrical pin after being tightly screwed with a clamping cylinder nut 8.
The first oil inlet 13 is used for clamping the lower main die seat 10 and the lower auxiliary die seat 9, and the piston rod 2 moves downwards; the second oil inlet 14 is used for enabling the lower main die seat 10 and the lower auxiliary die seat 9 to be loosened, and the piston rod 2 moves upwards; the clamping cylinder is placed in a loosening mode, and the lower auxiliary die holder 9 can be pulled out by a die changing mechanism; after the lower auxiliary die seat 9 is pushed to the correct position by the die changing mechanism, the clamping cylinder is placed in a clamping mode, and the clamping cylinder nut 8 is pressed down to press the lower auxiliary die seat 9 and the lower main die seat 10. The effective bearing area of the piston rod 2 is 4356mm 2, and the maximum compression force is 174240N when the piston rod can bear 40MPa pressure at maximum; 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 be ensured not to deflect through the movement of the first steel ball 6 in the guide groove 7.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (4)
1. A special clamping cylinder for quick die change of a forging production line is characterized in that: comprises a cylinder barrel, a piston rod and a guide rod; the bottom of the cylinder barrel is connected with a lower sealing cover in a sealing way, a step hole is formed in the top of the lower sealing cover, and the bottom of the guide rod is fixedly arranged in the step hole of the lower sealing cover through a shaft clamp; the lower part of the piston rod is provided with a piston end, the bottom of the piston rod is provided with a guide hole, the inner wall of the guide hole is symmetrically provided with two semicircular grooves, the semicircular grooves are internally provided with first steel balls, the side wall of the guide rod is provided with two symmetrical vertical guide grooves, the guide hole of the piston rod is sleeved on the guide rod, the two first steel balls are respectively positioned in the two guide grooves, the threaded end at the top of the piston rod is tightly screwed with a clamping cylinder nut and is tightly inserted through an elastic cylindrical pin to prevent loosening, the clamping cylinder nut tightly presses an upper auxiliary die holder and an upper main die holder when the cylinder is clamped, and the cylinder barrel is fixedly arranged in the upper main die holder; the cylinder barrel is characterized in that 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 above the piston end, and the second oil inlet channel is communicated with a cavity in the cylinder barrel below the piston end; a first plug is arranged at the joint of the bottoms of the first oil inlet channel and the second oil inlet channel and the lower sealing cover, and the outer sides of the first oil inlet channel and the second oil inlet channel are respectively connected with a second plug; the two ends of the lower sealing cover are symmetrically provided with horizontal side holes, a thimble is arranged in the side holes, the inner side of the thimble is connected with a rectangular spring, the tail end of the rectangular spring is pressed by an inner hexagonal flat end set screw, and the inner hexagonal flat end set screw is 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; a semicircular groove is formed in the side wall of the guide rod, which is positioned at the side hole, and the outer side of the second steel ball is positioned in the semicircular groove; a combined dust ring and a combined rod sealing ring are sequentially arranged between the piston rod and the top of the cylinder barrel; a piston combined sealing ring is sleeved on the side wall of the piston end of the piston rod; and the top thread of the piston rod is tightly inserted and loose-proof through an elastic cylindrical pin after being tightly screwed with the nut of the clamping cylinder.
2. The clamping cylinder special for rapid die change of a forging line according to claim 1, wherein: a stage is arranged between the guide groove on the guide rod and the semicircular groove, and a sealing ring is arranged on the stage.
3. The clamping cylinder special for rapid die change of a forging line according to claim 2, 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.
4. The clamping cylinder special for rapid die change of a forging line according to claim 3, wherein: the sealing rings are O-shaped sealing rings, combined sealing rings or dustproof rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010212025.3A CN111255768B (en) | 2020-03-24 | 2020-03-24 | Special clamping cylinder for quick die change of forging production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010212025.3A CN111255768B (en) | 2020-03-24 | 2020-03-24 | Special clamping cylinder for quick die change of forging production line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111255768A CN111255768A (en) | 2020-06-09 |
| CN111255768B true CN111255768B (en) | 2024-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010212025.3A Active CN111255768B (en) | 2020-03-24 | 2020-03-24 | Special clamping cylinder for quick die change of forging production line |
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| Country | Link |
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| CN (1) | CN111255768B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211975575U (en) * | 2020-03-24 | 2020-11-20 | 上海爱知锻造有限公司 | Special clamping oil cylinder for quick die change of forging production line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10317337B4 (en) * | 2003-04-15 | 2020-06-10 | Andreas Maier Gmbh & Co. Kg | Modular quick-release cylinders |
| CN103104639B (en) * | 2013-01-29 | 2015-09-02 | 常州庞丰机电科技有限公司 | The master cylinder of hydraulic braking gripping mechanism |
| CN207033871U (en) * | 2017-07-26 | 2018-02-23 | 深圳市高准科技有限公司 | Hydraulic corner cylinder |
| CN209294163U (en) * | 2018-11-15 | 2019-08-23 | 南通威而多专用汽车制造有限公司 | Automatic reciprocal cylinder for roadmarking |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211975575U (en) * | 2020-03-24 | 2020-11-20 | 上海爱知锻造有限公司 | Special clamping oil cylinder for quick die change of forging production line |
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| CN111255768A (en) | 2020-06-09 |
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