CN103111573B - Forging machine with return cylinder anti-unbalance-loading mechanisms and assembling method and using method thereof - Google Patents
Forging machine with return cylinder anti-unbalance-loading mechanisms and assembling method and using method thereof Download PDFInfo
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- CN103111573B CN103111573B CN201310040490.3A CN201310040490A CN103111573B CN 103111573 B CN103111573 B CN 103111573B CN 201310040490 A CN201310040490 A CN 201310040490A CN 103111573 B CN103111573 B CN 103111573B
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Abstract
The invention relates to a forging machine with return cylinder anti-unbalance-loading mechanisms and an assembling method and a using method of the forging machine. The forging machine comprises a main machine frame, an upper fixed beam, a pre-stressed pull rod, a movable beam, a return cylinder, a plunger piston cylinder, a guiding device, a mobile working table, a transverse moving anvil, an upper anvil and a lower anvil. The return cylinder comprises a return cylinder body and a return cylinder plunger piston, wherein the return cylinder body and the return cylinder plunger piston are matched with each other. The anti-unbalance-loading mechanisms are respectively arranged between the upper end of the return cylinder plunger piston and the upper fixed beam and between the lower end of the return cylinder body and the main machine frame, wherein spherical surfaces of the anti-unbalance-loading mechanisms contact each other, and the anti-unbalance-loading mechanisms are displaced relatively. The forging machine with the return cylinder anti-unbalance-loading mechanisms and the assembling method and the using method of the forging machine have the advantages that the upper end and the lower end of the return cylinder are both provided with the anti-unbalance-loading mechanisms, and therefore when the return cylinder receives unbalance loading, the return cylinder plunger piston is guaranteed to move freely and cannot suppress strength, and the service life of the return cylinder plunger piston is prolonged. The return cylinder plunger piston sealing and each part of sealing inside an inner cavity are protected, and the service life of a sealing element and a copper bush is prolonged. The anti-unbalance-loading capacity of a return cylinder plunger piston structure is strengthened, and the stationarity of forging machine running is strengthened.
Description
Technical field
The invention belongs to forging press technical field, particularly relate to forging press and assembly method, the using method that all there be anti-bias load structure at the upper and lower two ends of a kind of kicker cylinder.
Background technology
Forging press is for being shaped and being separated in forging and stamping converted products, with the metal forming machinery of highly pressurised liquid (oil, emulsion etc.) transmission operating pressure.Forging press stable working, not vibrations, easily do not reach the larger forging degree of depth, are best suited for the work such as the drawing of the forging of heavy forging and large gauge plate, packing and briquetting.
The kicker cylinder structure of the cylinder moving type forging hydraulic press of current use is relatively simple, kicker cylinder cylinder body is connected with mainframe by plane contact, kicker cylinder plunger is connected with upper fixed cross beam by plane contact, kicker cylinder does not possess offset load resistance, once Master cylinder body is subject to unbalance loading in forging and stamping process, unbalance loading can be applied to fixed cross beam, because upper fixed cross beam and kicker cylinder plunger are connected by plane, unbalance loading displacement cannot be shifted, combination sealing between such kicker cylinder cylinder body and kicker cylinder plunger will be squeezed distortion, there will be leakage of oil in various degree before this, due to the accumulation of fatigue, the damage of combination sealing will be accelerated, the sealing damaged also can affect the clean of whole oil circuit, change sealing too frequently and can delay production especially, increase unnecessary cost, and kicker cylinder plunger easily produces and suppresses strength, affect the service life of kicker cylinder plunger.
Summary of the invention
Plane contact is in order to solve kicker cylinder cylinder body and mainframe, kicker cylinder plunger and upper fixed cross beam in background technology, kicker cylinder does not possess offset load resistance, leakage of oil is produced in use procedure, kicker cylinder plunger and the low defect of seal durability, the invention provides forging press and assembly method, the using method that all there be anti-bias load structure at the upper and lower two ends of a kind of kicker cylinder.
Technical scheme of the present invention is:
There is the forging press of kicker cylinder anti-bias load mechanism, include following structure,
Mainframe, to be inclined cross on travelling table and for bolster stake plug cylinder and kicker cylinder;
Upper fixed cross beam, for hanging the plunger of fixed leg plug cylinder and carrying prestressed draw-bar;
Array prestressed draw-bar, connect and be pre-loaded into mainframe and upper fixed cross beam vertical between;
Pre-tightening apparatus, is arranged at fixed cross beam upper end and for pretension prestressed draw-bar;
Moved cross beam, be arranged at mainframe top and upper fixed cross beam vertical between and for the cylinder body of the drive end and plunger case that are connected kicker cylinder;
Plunger case, its cylinder body wears and is connected to mainframe and cylinder body bottom fit on anvil;
Travelling table, arranges thereon and laterally moves anvil, laterally moves lower anvil anvil having and mates with upper anvil;
Kicker cylinder, to be arranged between mainframe and moved cross beam and for the backhaul of drive post plug cylinder, to comprise the kicker cylinder cylinder body and kicker cylinder plunger of working in coordination;
Be provided with mutual sphere-contact between described kicker cylinder its upper end and upper fixed cross beam and the first anti-bias load mechanism of relative displacement, be provided with mutual sphere-contact between described kicker cylinder cylinder body lower end and mainframe and the second anti-bias load structure of relative displacement.
As preferably, the first described anti-bias load structure comprises the upper ball base be fixed on fixed cross beam, with upper ball base sphere-contact and the upper ball be fixed on kicker cylinder plunger prop up, and be fixed on and prop up cambered surface on fixed cross beam, with upper ball and contact and prop up the gland that upper ball props up; Described upper ball base is fixed on fixed cross beam lower end, upper ball Zhi Shangduan and upper ball base sphere-contact, and lower end is fixed on kicker cylinder plunger; Gland is fixed on fixed cross beam lower end, and medial surface and the upper ball of gland prop up lower end, outside cambered surface and contact and prop up the lower end, outside that upper ball props up; Described upper ball base has some oil grooves propping up with upper ball the surface contacted.
As preferably, the second described anti-bias load structure comprises the cylinder seat be fixed on mainframe, snap in cylinder seat groove and with the lower ball base of kicker cylinder cylinder body sphere-contact, and the mounting blocks that one end is embedded in mainframe, the other end props up cylinder seat; Described lower ball base upper end and kicker cylinder cylinder body sphere-contact, lower end snaps in the groove of cylinder seat upper end; The lower end of cylinder seat is fixed on mainframe, and the side step of cylinder seat is stuck on mounting blocks; Mounting blocks one end is embedded in mainframe, and the other end props up the lower end, outside of cylinder seat and shoring seat; Described lower ball base has some oil grooves on the surface tactile with cylinder seated connection.
As preferably, led by copper sheathing between described kicker cylinder cylinder body and kicker cylinder plunger, sealed by seal, copper sheathing and seal are pressed on kicker cylinder cylinder body by pressing plate pressure ring, pressing plate pressure ring and copper sheathing are installed in the draw-in groove that kicker cylinder cylinder body pre-sets, the movement of restriction seal, there are some oil grooves described copper sheathing periphery.
Present invention also offers the assembly method of the forging press with kicker cylinder anti-bias load mechanism:
Mainframe is inclined cross on travelling table, is used for bolster stake plug cylinder and kicker cylinder;
The plunger of plunger case is suspended on fixed cross beam lower end;
Array prestressed draw-bar connect and be pre-loaded into mainframe and upper fixed cross beam vertical between;
Moved cross beam is arranged on mainframe top and upper fixed cross beam vertical between and be connected the drive end of kicker cylinder and the cylinder body of plunger case;
The cylinder body of plunger case wears and is connected to mainframe and cylinder body bottom fit on anvil;
Kicker cylinder is set between mainframe and moved cross beam and for the backhaul of drive post plug cylinder;
Travelling table is arranged and laterally moves anvil, laterally moving the lower anvil that on anvil, setting is mated with upper anvil;
Kicker cylinder, to be arranged between mainframe and moved cross beam and for the backhaul of drive post plug cylinder, to comprise the kicker cylinder cylinder body and kicker cylinder plunger of working in coordination;
Mutual sphere-contact is set between described kicker cylinder its upper end and upper fixed cross beam and the first anti-bias load mechanism of relative displacement, mutual sphere-contact is set between described kicker cylinder cylinder body lower end and mainframe and the second anti-bias load structure of relative displacement.
As preferably, the first described anti-bias load structure comprises the upper ball base be fixed on fixed cross beam, with upper ball base sphere-contact and the upper ball being fixed on kicker cylinder plunger prop up, and be fixed on and prop up cambered surface on fixed cross beam, with upper ball and contact and prop up the gland that upper ball props up; Described upper ball base is fixed on fixed cross beam lower end, upper ball Zhi Shangduan and upper ball base sphere-contact, and lower end is fixed on kicker cylinder plunger; Gland is fixed on fixed cross beam lower end, and medial surface and the upper ball of gland prop up lower end, outside cambered surface and contact and prop up the lower end, outside that upper ball props up.
As preferably, the second described anti-bias load structure comprises the cylinder seat be fixed on mainframe, snap in cylinder seat groove and with the lower ball base of kicker cylinder cylinder body sphere-contact, and the mounting blocks that one end is embedded in mainframe, the other end props up cylinder seat; Described lower ball base upper end and kicker cylinder cylinder body sphere-contact, lower end snaps in the groove of cylinder seat upper end; The lower end of cylinder seat is fixed on mainframe, and the side step of cylinder seat is stuck on mounting blocks; Mounting blocks one end is embedded in mainframe, and the other end props up the lower end, outside of cylinder seat and shoring seat.
Present invention also offers the using method of the forging press with kicker cylinder anti-bias load mechanism, during forged product, the cylinder body of plunger case is subject to the reaction force of product forging and stamping, produce unbalance loading, radial displacement is produced between the cylinder body of plunger case and the plunger of plunger case, displacement effect is also added on upper fixed cross beam, upper ball props up with upper ball base sphere-contact and relatively rotates, kicker cylinder cylinder body and lower ball base sphere-contact also relatively rotate, automatically reset after the cylinder body unbalance loading of plunger case is eliminated, upper ball props up the relative displacement relatively rotating the upper fixed cross beam of permission and kicker cylinder plunger with upper ball base, the relative displacement relatively rotating permission kicker cylinder cylinder body and mainframe of kicker cylinder cylinder body and lower ball base, time the anti-bias load mechanism acting in conjunction of two cover sphere-contacts ensures that the cylinder body of plunger case is subject to unbalance loading and unbalance loading is transferred to kicker cylinder, the activity of kicker cylinder plunger energy freely, and can not strength be suppressed.
Technique effect of the present invention is:
The kicker cylinder of forging press of the present invention all increases a set of ball seat ball at its upper end and cylinder body lower end and props up structure, when ensureing that kicker cylinder is subject to unbalance loading, kicker cylinder plunger can activity freely, kicker cylinder plunger is made to suppress strength, extend the service life of kicker cylinder plunger, thus protect each several part sealing in kicker cylinder plunger seal and inner chamber, extend seal and copper sheathing life-span, enhance kicker cylinder piston structure offset load resistance, enhance forging press traveling comfort; On the other hand, kicker cylinder is subject to unbalance loading, because kicker cylinder its upper end and upper fixed cross beam contact in sphere mode, unbalance loading displacement can be shifted, the unbalance loading of kicker cylinder can not be applied on fixed cross beam, the sealing of kicker cylinder cylinder body and kicker cylinder plunger can not be made to be squeezed distortion, can not oil leakage phenomenon to be produced.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is sectional drawing of the present invention
Fig. 3 is kicker cylinder structural representation of the present invention
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described:
As shown in Figure 1, 2, there is the forging press of kicker cylinder anti-bias load mechanism, comprise mainframe 11, upper fixed cross beam 20, prestressed draw-bar 8, moved cross beam 7, kicker cylinder 2, plunger case 1, guider 4, travelling table 6, laterally move anvil 5, upper anvil 9 and lower anvil 10; Mainframe 11 is inclined cross on travelling table 6, for bolster stake plug cylinder 1 and kicker cylinder 2; Upper fixed cross beam 20, for the plunger of hanging column plug cylinder 1; Array prestressed draw-bar 8, connect and be pre-loaded into mainframe 11 and upper fixed cross beam 20 vertical between; Moved cross beam 7, be arranged at mainframe 11 top and upper fixed cross beam 20 vertical between and for the cylinder body of the drive end that is connected kicker cylinder 2 and plunger case 1; The cylinder body of plunger case 1 wears and is connected to mainframe 11 and cylinder body bottom fit on anvil 9; Travelling table 6 is arranged and laterally moves anvil 5, laterally moving the lower anvil 10 that on anvil 5, setting is mated with upper anvil 9.
As shown in Figure 3, kicker cylinder 2 to be arranged between mainframe 11 and moved cross beam 7 and for drive post plug cylinder 1 backhaul, to comprise kicker cylinder cylinder body 23, the kicker cylinder plunger 24 of working in coordination; Mutual sphere-contact is set between kicker cylinder plunger 24 upper end and upper fixed cross beam 20 and the first anti-bias load mechanism of relative displacement, mutual sphere-contact is set between kicker cylinder cylinder body 23 lower end and mainframe 11 and the second anti-bias load structure of relative displacement.
First anti-bias load structure comprises the upper ball base 33 be fixed on fixed cross beam 20, with upper ball base 33 sphere-contact and the upper ball being fixed on kicker cylinder plunger 24 props up 32, and be fixed on and prop up 32 cambered surfaces on fixed cross beam 20, with upper ball and contact and prop up the gland 31 that upper ball props up 32; Upper ball base 33 is fixed on fixed cross beam 20 lower end, and upper ball props up 32 upper ends and upper ball base 33 sphere-contact, and lower end is fixed on kicker cylinder plunger 24; Gland 31 is fixed on fixed cross beam 20 lower end, and medial surface and the upper ball of gland 31 prop up lower end cambered surface outside 32 and contact and prop up the lower end, outside that upper ball props up 32; Upper ball base 33 has some oil grooves propping up 32 surfaces contacted with upper ball.
Second anti-bias load structure comprises the cylinder seat 29 be fixed on mainframe 11, snap in cylinder seat 29 groove and with the lower ball base 30 of kicker cylinder cylinder body 23 sphere-contact, and the mounting blocks 22 that one end is embedded in mainframe 11, the other end props up cylinder seat 29; Lower ball base 30 upper end and kicker cylinder cylinder body 23 sphere-contact, lower end snaps in the groove of cylinder seat 29 upper end; The lower end of cylinder seat 29 is fixed on mainframe 11, and the side step of cylinder seat 29 is stuck on mounting blocks 22; Mounting blocks 22 one end is embedded in mainframe 11, and the other end props up the lower end, outside of cylinder seat 29 and shoring seat 29; The surface that lower ball base 30 is contacting with cylinder seat 29 has some oil grooves.
Led by copper sheathing 25 between kicker cylinder cylinder body 23 and kicker cylinder plunger 24, sealed by seal 26, copper sheathing 25 and seal 26 are pressed on kicker cylinder cylinder body 23 by pressing plate pressure ring 27, pressing plate pressure ring 27 and copper sheathing 25 are installed in the draw-in groove that kicker cylinder cylinder body 23 pre-sets, the movement of restriction seal 26, there are some oil grooves copper sheathing 25 periphery.
Assembly method of the present invention is:
Mainframe 11 is inclined cross on travelling table 6, is used for bolster stake plug cylinder 1 and kicker cylinder 2;
The plunger of plunger case 1 is suspended on fixed cross beam 20 lower end;
Array prestressed draw-bar 8 connect and be pre-loaded into mainframe 11 and upper fixed cross beam 20 vertical between;
Moved cross beam 7 is arranged on mainframe 11 top and upper fixed cross beam 20 vertical between and be connected the drive end of kicker cylinder 2 and the cylinder body of plunger case 1;
The cylinder body of plunger case 1 wears and is connected to mainframe 11 and cylinder body bottom fit on anvil 9;
Travelling table 6 is arranged and laterally moves anvil 5, laterally moving the lower anvil 10 that on anvil 5, setting is mated with upper anvil 9;
Kicker cylinder 2 is set between mainframe 11 and moved cross beam 7 and for drive post plug cylinder 1 backhaul, kicker cylinder 2 comprises kicker cylinder cylinder body 23, the kicker cylinder plunger 24 of working in coordination; Mutual sphere-contact is set between kicker cylinder plunger 24 upper end and upper fixed cross beam 20 and the first anti-bias load mechanism of relative displacement, mutual sphere-contact is set between kicker cylinder cylinder body 23 lower end and mainframe 11 and the second anti-bias load structure of relative displacement.
First anti-bias load structure comprises the upper ball base 33 be fixed on fixed cross beam 20, with upper ball base 33 sphere-contact and the upper ball being fixed on kicker cylinder plunger 24 props up 32, and be fixed on and prop up 32 cambered surfaces on fixed cross beam 20, with upper ball and contact and prop up the gland 31 that upper ball props up 32; Upper ball base 33 is fixed on fixed cross beam 20 lower end, and upper ball props up 32 upper ends and upper ball base 33 sphere-contact, and lower end is fixed on kicker cylinder plunger 24; Gland 31 is fixed on fixed cross beam 20 lower end, and medial surface and the upper ball of gland 31 prop up lower end cambered surface outside 32 and contact and prop up the lower end, outside that upper ball props up 32.
Second anti-bias load structure comprises the cylinder seat 29 be fixed on mainframe 11, snap in cylinder seat 29 groove and with the lower ball base 30 of kicker cylinder cylinder body 23 sphere-contact, and the mounting blocks 22 that one end is embedded in mainframe 11, the other end props up cylinder seat 29; Lower ball base 30 upper end and kicker cylinder cylinder body 23 sphere-contact, lower end snaps in the groove of cylinder seat 29 upper end; The lower end of cylinder seat 29 is fixed on mainframe 11, and the side step of cylinder seat 29 is stuck on mounting blocks 22; Mounting blocks 22 one end is embedded in mainframe 11, and the other end props up the lower end, outside of cylinder seat 29 and shoring seat 29.
Using method of the present invention is: during forged product, the cylinder body of plunger case 1 is subject to the reaction force of product forging and stamping, produce unbalance loading, radial displacement is produced between the cylinder body of plunger case 1 and the plunger of plunger case 1, displacement effect is also added on upper fixed cross beam 20, upper ball props up 32 and upper ball base 33 sphere-contact relatively rotating, and kicker cylinder cylinder body 23 and lower ball base 30 sphere-contact also relatively rotate, and automatically reset after the cylinder body unbalance loading of plunger case 1 is eliminated.
Claims (10)
1. there is the forging press of kicker cylinder anti-bias load mechanism, include following structure,
Mainframe, to be inclined cross on travelling table and for bolster stake plug cylinder and kicker cylinder;
Upper fixed cross beam, for hanging the plunger of fixed leg plug cylinder and carrying prestressed draw-bar;
Array prestressed draw-bar, connect and be pre-loaded into mainframe and upper fixed cross beam vertical between;
Pre-tightening apparatus, is arranged at fixed cross beam upper end and for pretension prestressed draw-bar;
Moved cross beam, be arranged at mainframe top and upper fixed cross beam vertical between and for the cylinder body of the drive end and plunger case that are connected kicker cylinder;
Plunger case, its cylinder body wears and is connected to mainframe and cylinder body bottom fit on anvil;
Travelling table, arranges thereon and laterally moves anvil, laterally moves lower anvil anvil having and mates with upper anvil;
Kicker cylinder, to be arranged between mainframe and moved cross beam and for the backhaul of drive post plug cylinder, to comprise the kicker cylinder cylinder body and kicker cylinder plunger of working in coordination;
It is characterized in that, be provided with mutual sphere-contact between described kicker cylinder its upper end and moved cross beam and can the first anti-bias load mechanism of relative displacement, be provided with mutual sphere-contact between described kicker cylinder cylinder body lower end and mainframe and can the second anti-bias load structure of relative displacement; The first described anti-bias load structure comprises the upper ball base be fixed on moved cross beam, with upper ball base sphere-contact and the upper ball be fixed on kicker cylinder plunger prop up, and be fixed on and prop up cambered surface on moved cross beam, with upper ball and contact and prop up the gland that upper ball props up; The second described anti-bias load structure comprises the cylinder seat be fixed on mainframe, snap in cylinder seat groove and with the lower ball base of kicker cylinder cylinder body sphere-contact, and the mounting blocks that one end is embedded in mainframe, the other end props up cylinder seat.
2. forging press as claimed in claim 1, it is characterized in that, described upper ball base is fixed on moved cross beam lower end, upper ball Zhi Shangduan and upper ball base sphere-contact, and lower end is fixed on kicker cylinder plunger; Gland is fixed on moved cross beam lower end, and medial surface and the upper ball of gland prop up lower end, outside cambered surface and contact and prop up the lower end, outside that upper ball props up.
3. forging press as claimed in claim 1 or 2, is characterized in that, described upper ball base has some oil grooves propping up with upper ball the surface contacted.
4. forging press as claimed in claim 1, it is characterized in that, described lower ball base upper end and kicker cylinder cylinder body sphere-contact, lower end snaps in the groove of cylinder seat upper end; The lower end of cylinder seat is fixed on mainframe, and the side step of cylinder seat is stuck on mounting blocks; Mounting blocks one end is embedded in mainframe, and the other end props up the lower end, outside of cylinder seat and shoring seat.
5. the forging press as described in claim 1 or 4, is characterized in that, described lower ball base has some oil grooves on the surface tactile with cylinder seated connection.
6. forging press according to claim 1, it is characterized in that, led by copper sheathing between described kicker cylinder cylinder body and kicker cylinder plunger, sealed by seal, copper sheathing and seal are pressed on kicker cylinder cylinder body by pressing plate pressure ring, pressing plate pressure ring and copper sheathing are installed in the draw-in groove that kicker cylinder cylinder body pre-sets, and the movement of restriction seal, there are some oil grooves described copper sheathing periphery.
7. there is the assembly method of the forging press of kicker cylinder anti-bias load mechanism:
Mainframe is inclined cross on travelling table, is used for bolster stake plug cylinder and kicker cylinder;
The plunger of plunger case is suspended on fixed cross beam lower end;
Array prestressed draw-bar connect and be pre-loaded into mainframe and upper fixed cross beam vertical between;
Moved cross beam is arranged on mainframe top and upper fixed cross beam vertical between and be connected the drive end of kicker cylinder and the cylinder body of plunger case;
The cylinder body of plunger case wears and is connected to mainframe and cylinder body bottom fit on anvil;
Kicker cylinder is set between mainframe and moved cross beam and for the backhaul of drive post plug cylinder;
Travelling table is arranged and laterally moves anvil, laterally moving the lower anvil that on anvil, setting is mated with upper anvil;
Kicker cylinder, to be arranged between mainframe and moved cross beam and for the backhaul of drive post plug cylinder, to comprise the kicker cylinder cylinder body and kicker cylinder plunger of working in coordination;
It is characterized in that, mutual sphere-contact is set between described kicker cylinder its upper end and moved cross beam and can the first anti-bias load mechanism of relative displacement, mutual sphere-contact is set between described kicker cylinder cylinder body lower end and mainframe and can the second anti-bias load structure of relative displacement; The first described anti-bias load structure comprises the upper ball base be fixed on moved cross beam, with upper ball base sphere-contact and the upper ball being fixed on kicker cylinder plunger prop up, and be fixed on and prop up cambered surface on moved cross beam, with upper ball and contact and prop up the gland that upper ball props up; The second described anti-bias load structure comprises the cylinder seat be fixed on mainframe, snap in cylinder seat groove and with the lower ball base of kicker cylinder cylinder body sphere-contact, and the mounting blocks that one end is embedded in mainframe, the other end props up cylinder seat.
8. assembly method as claimed in claim 7, it is characterized in that, described upper ball base is fixed on moved cross beam lower end, upper ball Zhi Shangduan and upper ball base sphere-contact, and lower end is fixed on kicker cylinder plunger; Gland is fixed on moved cross beam lower end, and medial surface and the upper ball of gland prop up lower end, outside cambered surface and contact and prop up the lower end, outside that upper ball props up.
9. assembly method as claimed in claim 7, it is characterized in that, described lower ball base upper end and kicker cylinder cylinder body sphere-contact, lower end snaps in the groove of cylinder seat upper end; The lower end of cylinder seat is fixed on mainframe, and the side step of cylinder seat is stuck on mounting blocks; Mounting blocks one end is embedded in mainframe, and the other end props up the lower end, outside of cylinder seat and shoring seat.
10. use as arbitrary in claim 1-6 as described in there is the method for the forging press of kicker cylinder anti-bias load mechanism, it is characterized in that, during forged product, the cylinder body of plunger case produces unbalance loading, produce radial displacement between the cylinder body of plunger case and the plunger of plunger case, displacement effect is also added on upper fixed cross beam, and upper ball props up with upper ball base sphere-contact and relatively rotates, kicker cylinder cylinder body and lower ball base sphere-contact also relatively rotate, and automatically reset after the cylinder body unbalance loading of plunger case is eliminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310040490.3A CN103111573B (en) | 2013-02-01 | 2013-02-01 | Forging machine with return cylinder anti-unbalance-loading mechanisms and assembling method and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310040490.3A CN103111573B (en) | 2013-02-01 | 2013-02-01 | Forging machine with return cylinder anti-unbalance-loading mechanisms and assembling method and using method thereof |
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| CN103111573A CN103111573A (en) | 2013-05-22 |
| CN103111573B true CN103111573B (en) | 2015-06-24 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103785788B (en) * | 2014-01-16 | 2016-04-13 | 河南职业技术学院 | Hydraulic means |
| CN103883583A (en) * | 2014-04-01 | 2014-06-25 | 太原重工股份有限公司 | Vertical type hydraulic machine and return cylinder thereof |
| CN113202836A (en) * | 2021-04-27 | 2021-08-03 | 中铁工程装备集团有限公司 | Structure for preventing oil cylinder from being biased |
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Address after: 266071 Shandong Province, Qingdao city Shandong Road No. 52 Huajia building room 1207 Applicant after: QINGDAO JIALONG AUTOMATIC EQUIPMENT Co.,Ltd. Address before: 266111 Shandong Province, Qingdao city high tech Development Zone (Ji Hong Tan Chun Yang Lu) Applicant before: QINGDAO JIALONG AUTOMATIC EQUIPMENT Co.,Ltd. |
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Effective date of registration: 20160908 Address after: Chunyang Road North, Siyuan road 266111 in Shandong Province in Qingdao high tech Industrial Development Zone on the west side Patentee after: QINGDAO HEDMARK INTELLIGENT EQUIPMENT CO.,LTD. Address before: 266071 Shandong Province, Qingdao city Shandong Road No. 52 Huajia building room 1207 Patentee before: QINGDAO JIALONG AUTOMATIC EQUIPMENT Co.,Ltd. |
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Denomination of invention: Forging press with return cylinder anti eccentric load mechanism and its assembly method and use method Effective date of registration: 20220930 Granted publication date: 20150624 Pledgee: Agricultural Bank of China Limited Qingdao Branch Business Department Pledgor: QINGDAO HEDMARK INTELLIGENT EQUIPMENT CO.,LTD. Registration number: Y2022370010145 |
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