CN111347096B - Locking method and disc spring locking cylinder based on locking method - Google Patents
Locking method and disc spring locking cylinder based on locking method Download PDFInfo
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- CN111347096B CN111347096B CN202010249284.3A CN202010249284A CN111347096B CN 111347096 B CN111347096 B CN 111347096B CN 202010249284 A CN202010249284 A CN 202010249284A CN 111347096 B CN111347096 B CN 111347096B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
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Abstract
The invention provides a locking method and a disc spring locking cylinder based on the locking method, and the locking method comprises the following steps: the piston rod of the disc spring locking cylinder resets, the locking pressing block connected with the end part of the piston rod is pulled back to a working position, the inclined plane of the locking pressing block is matched with the inclined plane of the dovetail piece on the tool apron during the working position, and the tool apron is locked on the tool rest by the locking pressing block. The disc spring locking cylinder mainly comprises a cylinder body, a piston rod, a disc spring, a balance spring, a locking pressing plate and a nut, wherein a flange is arranged at the opening end of the cylinder body, the flange comprises a disc body and a cylindrical body, and different shearing machines are arranged, the lengths of threads for screwing the cylindrical body into the cylinder body are different, the screwing length of the cylindrical body is adjusted, and the cylinder depth adjustment of the cylinder body in the shearing machines is realized. Compared with the traditional fastening and locking mode of bolts and pressure plates, the invention adopts a quick locking method to lock the shear blade base body, does not need to manually disassemble the bolts one by one to overhaul the shear blade base body, and has great improvement on the locking mode.
Description
Technical Field
The invention relates to the field of cold shearing equipment, in particular to a locking method and a disc spring locking cylinder based on the locking method.
Background
At present, in order to realize the online quick replacement of worn, incomplete or failed cutting edges of finished cold shears of most of bar profiles in steel mills at home and abroad, equipment is generally provided with an automatic replacement system.
For the current popular upper and lower knife holder type cold shears, the shear blade knife holder adopts a spring locking hydraulic opening mode, and a plurality of groups of special same-parameter non-standard hydraulic cylinders are selected for hydraulic opening. The working principle is that a piston compresses a disc spring after an oil inlet of a locking cylinder is pressed, a shear blade seat pressing plate can simultaneously and controllably loosen a shear blade seat body under the action of a balance spring, and a shear blade seat body is pushed out or pulled back and then locked under the action of a driving hydraulic cylinder.
After the replaced shear blade base body needs to be locked, the cold shearing machine can work normally. Therefore, it is necessary to provide a method for locking a cutting blade housing and a disc spring locking cylinder based on the method.
Disclosure of Invention
The invention provides a locking method and a disc spring locking cylinder based on the locking method, the invention adopts a rapid locking method to lock the shear blade base body, compared with the traditional fastening and locking mode of bolts and pressure plates, the invention does not need to manually disassemble the bolts one by one to overhaul the shear blade base body, and has great progress in the locking mode.
The technical scheme for realizing the purpose of the invention is as follows:
a locking method, the piston rod of the disc spring locking cylinder is reset, the locking press block connected with the end of the piston rod is pulled back to the working position, the inclined plane of the locking press block is matched with the inclined plane of the dovetail piece on the tool apron, and the tool apron is locked on the tool rest by the locking press block.
As a further improvement of the invention, before the locking pressing block is locked, the cutting edge on the tool apron is replaced.
As a further improvement of the invention, the locking pressing block locks the cutter holder in the longitudinal direction, and the transverse traction oil cylinder matched with the disc spring locking cylinder locks the cutter holder in the transverse direction.
As a further improvement of the invention, the tool apron is locked only in the longitudinal direction by the locking pressing block after the tool apron is reset in the transverse direction by the transverse traction oil cylinder.
As a further improvement of the invention, before the disc spring locking cylinder works, the disc spring locking cylinder is assembled in advance and then is arranged on the tool rest.
A dish spring locking cylinder based on the locking method comprises a cylinder body, a piston rod, a dish spring, a balance spring, a locking pressing plate and a nut, wherein:
one end of the cylinder body along the axial direction is opened, and the other end of the cylinder body is closed;
the opening end of the cylinder body is provided with a flange plate, the flange plate comprises a plate body and a columnar body, the outer peripheral wall of the columnar body is provided with an external thread, and the inner wall of the cylinder body is provided with an internal thread matched with the external thread; the length of the threads for screwing the cylindrical body into the cylinder body is different for different shearing machines, and the screwing length of the cylindrical body is adjusted, so that the cylinder depth of the cylinder body loaded into the shearing machines is adjusted;
the dish spring is located the inner chamber of cylinder body, balance spring and locking clamp plate are located the outside of cylinder body, cylinder body and clamp plate with the balance spring centre gripping in the middle, the one end that has the piston on the piston rod is located the inner chamber of cylinder body, and the other end runs through behind the dish spring and stretches out from the open end of cylinder body, runs through behind balance spring and the locking clamp plate in proper order afterwards and nut threaded connection.
As a further improvement of the invention, a cavity which is opened towards the cylinder body is arranged on the locking pressure plate, one end of the balance spring along the axial direction is contacted with the cylinder body, and the other end of the balance spring is contacted with the inner bottom surface of the cavity;
after the cylinder body, the piston rod, the disc spring, the balance spring, the locking pressing plate and the nut are installed, the whole body is installed on a knife rest of the shearing machine.
As a further improvement of the invention, the plate body and the cylindrical body are integrally formed, the cylindrical body extends into the cylinder body from the opening end of the cylinder body, and the cylindrical body is fixedly connected with the cylinder body;
the other end of the piston rod penetrates through the disc body and the columnar body and then sequentially penetrates through the balance spring and the locking pressing plate.
As a further improvement of the invention, the outer peripheral wall of the cylindrical body is provided with an external thread, and the inner wall of the cylinder body is provided with an internal thread matched with the external thread;
and in different shearing machines, the length of the threads for screwing the cylindrical body into the cylinder body is different.
As a further improvement of the invention, an accommodating cavity is formed in the end face of the flange plate, which faces one end of the cylinder barrel;
one end of the disc spring along the axial direction abuts against the piston of the piston rod, and the other end of the disc spring abuts against the bottom surface of the accommodating cavity.
Compared with the prior art, the invention has the beneficial effects that:
compared with the traditional fastening and locking mode of bolts and pressure plates, the invention adopts a quick locking method to lock the shear blade base body, does not need to manually disassemble the bolts one by one to overhaul the shear blade base body, and has great progress in the locking mode.
Drawings
FIG. 1 is a flow chart of a locking method;
FIG. 2 is a flow chart of installing a disc spring locking cylinder, replacing a shear blade, and locking a tool apron;
fig. 3 is a schematic structural view of a disc spring locking cylinder.
Reference numerals: 1. a tool holder; 2. a cylinder body; 3. a seal ring; 4. a disc spring; 5. a piston rod; 6. a guide sleeve; 7. a dowel screw; 8. a flange plate; 9. a balance spring; 10. locking the pressing plate; 11. a guide sleeve; 12. a nut; 13. a cotter pin; 14. a connecting bolt; 15. and an oil inlet.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that the embodiments are not limited thereto, and those skilled in the art can make functional, methodological, or structural equivalents or substitutions based on the embodiments without departing from the scope of the present invention.
In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1:
in this embodiment, a locking method is provided, as shown in fig. 1, a piston rod of a disc spring locking cylinder is reset, a locking press block connected with an end of the piston rod is pulled back to a working position, an inclined surface of the locking press block is matched with an inclined surface of a dovetail piece on a tool apron in the working position, and the tool apron is locked on a tool rest by the locking press block.
As shown in fig. 2, before the locking pressing block is locked, the cutting edge on the tool apron is replaced. The locking pressing block locks the cutter holder in the longitudinal direction, and the transverse traction oil cylinder matched with the disc spring locking cylinder locks the cutter holder in the transverse direction.
It should be noted that, in practical use, after the tool apron is reset in the transverse direction by the transverse traction oil cylinder, the tool apron is locked in the longitudinal direction by the locking pressing block.
As shown in fig. 2, before the disc spring locking cylinder works, the disc spring locking cylinder is assembled in advance, and then the disc spring locking cylinder is installed on the tool rest. Specifically, the method comprises the following steps:
the body of the shearing machine is embedded with an integral non-adjustable shearing blade seat locking cylinder group, hydraulic oil is injected into a rodless cavity of the locking cylinder through a hydraulic system to push a piston to act, a disc spring group arranged in a rod cavity is pressed to the maximum stroke, a balance spring arranged on a piston rod can jack up a locking pressure plate in front, the dovetail groove accommodating space for fixing the cutter seat is enlarged, a gap exceeds the outline of a cutter seat body to be dismounted and mounted, an upper cutter seat and a lower cutter seat can be horizontally moved and pulled by starting an upper cutter seat and a lower cutter seat, the new upper cutter seat and the new lower cutter seat can be horizontally dismounted and mounted (discharged) into a working position, the rodless cavity valve of the locking cylinder acts to discharge hydraulic oil after the upper cutter seat and the lower cutter seat are in place, the dovetail pressure plate is driven to carry out restoring traction action under the action of the plurality of disc spring groups pressing the piston, and the integral dovetail pressure plate firmly fixes the set locking force of the upper cutter seat and the lower cutter seat on the part when the disc spring reaches the designed working stroke, therefore, the upper and lower tool holders finish the quick and reliable locking connection between the components of the shearing machine. When the damaged old shear blade needs to be replaced, hydraulic oil is injected into a rodless cavity of the locking cylinder to push the piston to act, a disc spring group arranged in the rod cavity is further pressed to the maximum stroke, the dovetail groove accommodating space for fixing the cutter holder is enlarged to exceed the installed cutter holder entity, the upper cutter holder transverse moving traction cylinder and the lower cutter holder transverse moving traction cylinder are started, the old upper cutter holder and the old lower cutter holder can be pulled out of the working position in a horizontal moving mode, and the damaged old shear blade is replaced quickly.
(1) In the embodiment, all parts are assembled and adjusted to form a complete qualified part, the installation type of the cylinder body flange meeting the installation conditions is ensured, the simple and reliable connection mode that the external thread interface of the cylinder flange is matched with the internal thread of the cylinder body is adopted, the anti-loosening and rotation-stopping detachable screw tail pin which can be mutually rotated, adjusted and positioned is matched between the external thread interface of the cylinder flange and the internal thread of the cylinder body, the rest parts are used, all the parts are integrally delivered to a worker to be easily installed into an installation hole for use once after being adjusted according to design parameters, the processes of checking the parts, repairing and assembling, adjusting the force, pressing and locking the quantity and the like are not needed, otherwise, the replacement and maintenance can be conveniently and quickly realized only by loosening the integral bolt. The scheme of the integrally economic locking cylinder is convenient for large-batch production and manufacture, and has the advantages of high localization rate and low cost.
(2) The embodiment can adjust the compression amount of the disc spring group according to the locking force parameter requirements of different types on site; in addition, the embodiment considers that the pre-compression amount of the disc spring group can be adjusted by repairing and matching the contained space in advance in a professional factory, so that the ideal force energy parameter value of the component assembly is obtained, and repeated adjustment and installation on site are not needed. Technical requirements on the part design drawing; 1. the centering matching of the cylinder body adopts a large clearance (1 mm); 2. after the piston falls into the bottom and is loaded into a disc spring group trial assembly thread according to a drawing and screwed, whether the distance from the flange surface to the bottom surface of the cylinder barrel meets the requirement of a mounting dimension chain or not is judged, the pad is additionally arranged on the disc spring, the contact surface between the flange and the disc spring is repaired to meet the requirement, and the moment is a no-load critical point; 3. the drill hole of the cotter pin is positioned on the lower surface of the piston for positioning and giving, and the working position is that the disc spring is compressed by 8mm in a locking state; 4. the tool holder is in a loose state, namely the dovetail inclined plane has 3mm clearance, and the compression amount of the disc spring is 11mm at the moment.
(3) The device has the same appearance and interface size, and is convenient and quick to maintain; the design of the parts and the appearance interfaces which are unified in group standards is adopted in the embodiment, the whole parts of the finished cylinder body assembly can be exchanged with the old parts, the spare part reserve of a user is reduced, and the shearing machine can be maintained conveniently and rapidly.
(4) The multiple groups of locking cylinders adopt large-gap floating positioning, so that the cylinder group and the dovetail inclined pressing plate are uniformly stressed, the phenomena of inclined abrasion and blocking of a piston rod and a cylinder barrel caused by processing deviation are avoided, the sealing is not leaked, the locking force is uniformly distributed, and the service life of the locking cylinders is prolonged.
Example 2:
on the basis of the scheme disclosed in embodiment 1, as shown in fig. 3, the embodiment discloses a disc spring locking cylinder based on a locking method.
Dish spring locking cylinder includes cylinder body 2, piston rod 5, dish spring 4, balance spring 9, locking clamp plate 10 and nut 12, wherein: one end of the cylinder body 2 along the axial direction is opened, and the other end is closed; a flange 8 is arranged at the opening end of the cylinder body 2, the flange 8 comprises a disc body and a columnar body, an external thread is arranged on the outer peripheral wall of the columnar body, and an internal thread matched with the external thread is arranged on the inner wall of the cylinder body 2; in different shearing machines, the lengths of the threads for screwing the cylindrical bodies into the cylinder body 2 are different, and the screwing lengths of the cylindrical bodies are adjusted, so that the cylinder depth of the cylinder body 2 loaded into the shearing machines is adjusted; the dish spring 4 is located the inner chamber of cylinder body 2, and balance spring 9 and locking clamp plate 10 are located the outside of cylinder body 2, and cylinder body 2 and clamp plate centre gripping balance spring 9 are in the centre, and the one end that has the piston on the piston rod 5 is located the inner chamber of cylinder body 2, and the other end runs through behind dish spring 4 and stretches out from the open end of cylinder body 2, runs through balance spring 9 and locking clamp plate 10 afterwards in proper order and nut 12 threaded connection.
The lower locking cylinder of the embodiment is installed according to the accurate size according to the working state in advance, and is installed into the shearing machine after the mechanical property of the lower locking cylinder is adjusted, so that the lower locking cylinder is convenient to install and easy to meet the use requirement.
As shown in fig. 3, an accommodating cavity is formed in the end surface of the flange 8 facing one end of the cylinder barrel; one end of the disc spring 4 along the axial direction is propped against the piston of the piston rod 5, and the other end is propped against the bottom surface of the accommodating cavity. Preferably, the other end of the piston rod 5 is provided with an external thread matched with the nut 12, the external thread of the piston rod 5 is arranged close to the other end of the piston rod 5, the other end of the piston rod 5 is provided with a through hole, and the axis of the through hole is vertical to the axis of the piston rod 5; after the nut 12 is screwed to the piston rod 5, a cotter pin 13 is inserted into the through hole.
In this embodiment, one side of the locking pressure plate 10 is a bevel that mates with a bevel of a blade holder in a shearing apparatus. As shown in fig. 3, the cutter frame 1 of the shearing machine has an oil inlet 15, and after the cylinder 2 is installed in the cutter frame 1, the oil inlet 15 of the cylinder 2 is connected with the oil inlet 15 of the cutter frame 1 into a whole.
The locking pressure plate 10 is provided with a cavity which is opened towards the cylinder body 2, one end of the balance spring 9 along the axial direction is contacted with the cylinder body 2, and the other end is contacted with the inner bottom surface of the cavity. During actual assembly, after the cylinder body 2, the piston rod 5, the disc spring 4, the balance spring 9, the locking pressing plate 10 and the nut 12 are installed, the lower locking cylinder is integrally installed on the knife rest 1 of the shearing machine.
Preferably, the cylinder 2 is inserted into the tool holder 1, and the flange 8 is bolted to the flange of the tool holder 1. In order to improve the strength of the flange 8 and facilitate the manufacture of the flange 8, the plate body and the columnar body are integrally formed, the columnar body extends into the cylinder body 2 from the opening end of the cylinder body 2, and the columnar body is fixedly connected with the cylinder body 2; the other end of the piston rod 5 penetrates through the disc body and the columnar body and then sequentially penetrates through the balance spring 9 and the locking pressing plate 10.
The outer peripheral wall of the columnar body is provided with an external thread, and the inner wall of the cylinder body 2 is provided with an internal thread matched with the external thread; in different shearing machines, the length of the thread for screwing the cylindrical body into the cylinder body 2 is different. Through setting up the screw thread form for the lower locking cylinder adaptation different shearing machines equipment of this embodiment.
The disc spring locking cylinder of this embodiment is installed according to its operating condition according to accurate size in advance to after the mechanical properties of adjustment disc spring locking cylinder, the shearing machine equipment of just packing into, not only be convenient for install but also let disc spring locking cylinder reach operation requirement easily.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A locking method is characterized in that a piston rod of a disc spring locking cylinder is reset, a locking pressing plate connected with the end of the piston rod is pulled back to a working position, an inclined plane of the locking pressing plate is matched with an inclined plane of a dovetail piece on a tool apron in the working position, and the tool apron is locked on a tool rest by the locking pressing plate; the working position is that the disc spring is compressed by 8mm in a locking state, the tool rest is in a loosening state that a dovetail inclined plane has a 3mm gap, and the compression amount of the disc spring is 11mm at the moment;
the locking method adjusts the compression amount of the disc spring set according to the locking force parameter requirements of different types on site; the method comprises the steps that a space to be accommodated is prepared in advance in a professional factory, the precompression quantity of a disc spring set is adjusted, and an ideal force energy parameter value of a component assembly is obtained;
the multiple groups of disc spring locking cylinders are positioned in a large-gap floating mode, so that the cylinder groups and the dovetail inclined pressing plates are uniformly stressed, the phenomena of inclined abrasion and blocking of piston rods and cylinder barrels caused by machining deviation are avoided, the sealing is free of leakage, and the locking force is uniformly distributed;
the body of the shearing machine is embedded with an integral non-adjustable shearing blade seat disc spring locking cylinder group, hydraulic oil is injected into a rodless cavity of the disc spring locking cylinder through a hydraulic system to push a piston to act, and a disc spring group arranged in a rod cavity is pressed to the maximum stroke, at the moment, a balance spring arranged on a piston rod can jack up a locking pressing plate in front, and the dovetail groove accommodating space of a fixed tool apron is enlarged to cause that a gap exceeds the outline of a tool seat body to be disassembled and assembled;
starting the upper and lower tool apron transverse traction oil cylinders to horizontally move and disassemble and assemble a new upper and lower tool apron into/out of a working position, discharging hydraulic oil by the action of a rodless cavity valve of the disc spring locking cylinder after the upper and lower tool apron are in place, driving the dovetail pressing plate to perform a restorable traction action under the action of a compression piston of a plurality of groups of disc spring groups, and firmly fixing the set locking force of the upper and lower tool apron on the part when the disc spring reaches a designed working stroke, so that the upper and lower tool apron can complete the quick and reliable locking connection between the parts of the shearing machine;
when the damaged old shearing blade needs to be replaced, hydraulic oil is injected into a rodless cavity of the disc spring locking cylinder to push a piston to act, a disc spring group arranged in a rod cavity is further pressed to the maximum stroke, at the moment, the containing space of a dovetail groove for fixing a tool apron is enlarged to exceed the installed tool apron entity, an upper tool apron transverse moving traction oil cylinder and a lower tool apron transverse moving traction oil cylinder are started, the old upper tool apron and the old lower tool apron can be pulled out of a working position in a horizontal moving mode, and the damaged old shearing blade is replaced quickly;
the locking pressing plate locks the cutter holder in the longitudinal direction, and the transverse traction oil cylinder matched with the disc spring locking cylinder locks the cutter holder in the transverse direction; after the tool apron is reset by the transverse traction oil cylinder in the transverse direction, the tool apron is locked by the locking pressing plate in the longitudinal direction.
2. The locking method according to claim 1, wherein the cutting edge of the tool holder is replaced before the locking pressure plate is locked.
3. The locking method according to claim 1, wherein the disc spring locking cylinder is mounted on the tool holder before the disc spring locking cylinder is operated and after the disc spring locking cylinder is assembled in advance.
4. A disc spring locking cylinder according to the locking method of any one of claims 1 to 3, comprising a cylinder body, a piston rod, a disc spring, a balance spring, a locking pressing plate, and a nut, wherein:
one end of the cylinder body along the axial direction is opened, and the other end of the cylinder body along the axial direction is closed;
the opening end of the cylinder body is provided with a flange plate, the flange plate comprises a plate body and a columnar body, the outer peripheral wall of the columnar body is provided with an external thread, and the inner wall of the cylinder body is provided with an internal thread matched with the external thread; the length of the threads for screwing the cylindrical body into the cylinder body is different for different shearing machines, and the screwing length of the cylindrical body is adjusted, so that the cylinder depth of the cylinder body loaded into the shearing machines is adjusted; a placing groove for placing the bottom of the disc spring is formed in the inner periphery of the upper end of the columnar body of the flange plate; a guide sleeve is arranged between the cylindrical body of the flange plate and the piston rod;
the disc spring is positioned in the inner cavity of the cylinder body, the balance spring and the locking pressing plate are positioned on the outer side of the cylinder body, the balance spring is clamped between the cylinder body and the locking pressing plate, one end, provided with a piston, of the piston rod is positioned in the inner cavity of the cylinder body, the other end of the piston rod penetrates through the disc spring and then extends out of the opening end of the cylinder body, and then the piston rod penetrates through the balance spring and the locking pressing plate in sequence and then is in threaded connection with the nut; a sealing ring is arranged around the contact position of the piston rod and the inner wall of the cylinder body; the connection mode of the external thread interface of the flange plate and the threads in the cylinder body is matched with a locking and rotation-stopping detachable screw tail pin which can be mutually rotated, adjusted and positioned; the centering fit of the cylinder body and the tool rest adopts a large clearance of 1 mm.
5. The disc spring locking cylinder according to the locking method of claim 4, wherein the locking pressure plate has a cavity opening toward the cylinder body, one end of the balance spring in the axial direction is in contact with the cylinder body, and the other end thereof is in contact with the inner bottom surface of the cavity;
after the cylinder body, the piston rod, the disc spring, the balance spring, the locking pressing plate and the nut are installed, the whole body is installed on a knife rest of the shearing machine.
6. The disc spring locking cylinder according to the locking method of claim 4, wherein the disc body and the cylindrical body are integrally formed, the cylindrical body extends into the cylinder body from an open end of the cylinder body, and the cylindrical body is fixedly connected with the cylinder body;
and the other end of the piston rod penetrates through the disc body and the columnar body and then sequentially penetrates through the balance spring and the locking pressing plate.
7. The disc spring locking cylinder according to the locking method of claim 4, wherein an external thread is provided on the outer peripheral wall of the cylindrical body, and an internal thread fitted with the external thread is provided on the inner wall of the cylinder body;
and in different shearing machines, the length of the threads for screwing the cylindrical body into the cylinder body is different.
8. The disc spring locking cylinder according to the locking method of claim 4, wherein the end surface of the flange plate facing the cylinder barrel is provided with a receiving cavity; one end of the disc spring along the axial direction abuts against the piston of the piston rod, and the other end of the disc spring abuts against the bottom surface of the accommodating cavity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010249284.3A CN111347096B (en) | 2020-04-01 | 2020-04-01 | Locking method and disc spring locking cylinder based on locking method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010249284.3A CN111347096B (en) | 2020-04-01 | 2020-04-01 | Locking method and disc spring locking cylinder based on locking method |
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| CN111347096B true CN111347096B (en) | 2022-09-13 |
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| CN114952277B (en) * | 2022-06-09 | 2023-11-21 | 山东钢铁集团日照有限公司 | Installation and online detection preventive maintenance method for locking disc spring cylinder |
| CN116146179B (en) * | 2023-02-14 | 2024-04-02 | 陕西航天德林科技集团有限公司 | Carbon fiber rod type logging cable injection system and process |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004314261A (en) * | 2003-04-18 | 2004-11-11 | Kawasaki Heavy Ind Ltd | Shearing machine |
| CN202639489U (en) * | 2012-06-25 | 2013-01-02 | 南京金鑫传动设备有限公司 | Cold shear hydraulic tool exchanging system |
| CN203578911U (en) * | 2013-11-15 | 2014-05-07 | 江阴大地装备股份有限公司 | Shear blade clamping device |
| CN104759685A (en) * | 2014-07-31 | 2015-07-08 | 汤子仁 | Disc spring type hydraulic locking device |
| CN108213566B (en) * | 2017-12-25 | 2019-03-22 | 太原重工股份有限公司 | Cut cells |
| CN208503311U (en) * | 2018-06-26 | 2019-02-15 | 山东百海逸机电股份有限公司 | A kind of adjustable hydraulic cylinder locking device of normally closed type torque |
| CN110842278A (en) * | 2019-11-19 | 2020-02-28 | 太重煤机有限公司 | Locking device for cutting edge tool apron of cold shearing machine |
| CN212130945U (en) * | 2020-04-01 | 2020-12-11 | 中钢集团西安重机有限公司 | Locking oil cylinder for shearing machine equipment |
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