CN113276471B - 4500 Ton oil press - Google Patents
4500 Ton oil press Download PDFInfo
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- CN113276471B CN113276471B CN202110584841.1A CN202110584841A CN113276471B CN 113276471 B CN113276471 B CN 113276471B CN 202110584841 A CN202110584841 A CN 202110584841A CN 113276471 B CN113276471 B CN 113276471B
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- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 36
- 239000010959 steel Substances 0.000 claims description 36
- 238000009434 installation Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 description 12
- 238000011161 development Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/10—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention discloses a 4500 ton oil press, which comprises a machine body structure and a hydraulic system; the machine body structure comprises a lower cross beam, two work tables, an upper cross beam, two pairs of upright posts, a tool rest and a guide mechanism; the lower beam comprises a lower beam body and two pairs of column bottoms; the lower beam body is of a double-cavity rectangular beam structure; the two work tables are connected with the front end and the rear end of the lower cross beam; the upper beam comprises an upper beam body and two pairs of vertical posts for capping; the structure and the plane size of the upper beam body and the upright post seal top are respectively the same as those of the lower beam body and the upright post seal bottom; the upright post is of a square box-shaped structure; the two pairs of upright posts are fixed between the two pairs of upright post bottom covers and the two pairs of upright post top covers; the tool rest comprises a tool rest main body, a tool rest head connecting piece and a tool rest head; the guide mechanism comprises two guide main shafts and two guide shaft sleeves; the hydraulic system comprises two oil cylinders fixed between the upper cross beam and the tool rest. The hydraulic press has high strength and rigidity, long service life and small vibration during working.
Description
Technical Field
The invention relates to a 4500 ton oil press.
Background
Along with the development of offshore wind power to deep sea, the wall thickness of the steel pipe pile of the foundation of the high pile cap is also thicker, the wall thickness of the steel pipe pile reaches more than 60mm at present, more and more offshore wind power plants adopt a jacket foundation structure form, the wall thickness of a main conduit in the jacket foundation structure generally reaches about 80mm, the pipe diameter is about 1600mm, and the main conduit is formed by rolling steel plates. Because the pipe diameter of the main conduit is smaller and the wall thickness is large, the current 1250t oil press can not meet the pressure required by the pressure head in the steel plate rolling stage, and a 4500t oil press is required to be manufactured to meet the production requirement of a jacket and the requirement of wind power development in the future.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a 4500 ton oil press which has high machine body strength and rigidity, long service life and small vibration during working, and can improve the machining precision of parts and the service life of a die.
The purpose of the invention is realized in the following way: a 4500 ton oil press, comprising a machine body structure and a hydraulic system; the machine body structure comprises a lower cross beam, two work tables, an upper cross beam, two pairs of upright posts, a tool rest and a guide mechanism; wherein,
The lower beam comprises a lower beam body and two pairs of column bottoms; the lower beam body is of a rectangular beam structure and comprises a top plate, a bottom plate and two outer webs, and the lower beam body forms a double-cavity structure through a middle web which is arranged in the middle between the two outer webs in parallel; the two pairs of column bottoms are connected to two sides of the lower beam body in a one-to-one correspondence and symmetrically and comprise a bottom cover top plate and a bottom cover bottom plate, each pair of column bottoms comprises a bottom cover outer side plate connected to the side surface of the lower beam body and longer than the width of the lower beam body, two bottom cover panels vertically connected to the front end and the rear end of the bottom cover outer side plate in a one-to-one correspondence, and two bottom cover inner side plates connected between the inner ends of the two bottom cover panels and the two outer webs in a one-to-one correspondence;
The height of the two workbenches is the same as that of the lower cross beam, and the two workbenches are connected to the front end and the rear end of the lower cross beam in a one-to-one correspondence manner and comprise a workbench top plate and a workbench bottom plate; each workbench comprises a workbench inner panel connected between the inner ends of two bottom sealing panels positioned on the same side of the lower beam body, two workbench outer panels which are connected with the end parts of the two bottom sealing outer panels positioned on the same side of the lower beam body in an extending manner, and a workbench outer panel connected between the other ends of the two workbench outer panels; the two work tables are connected with the lower beam body into a whole through a plurality of lower longitudinal stiffening plates;
The upper beam comprises an upper beam body and two pairs of upright posts for capping; the structure and the plane size of the upper beam body are the same as those of the lower beam body in one-to-one correspondence, and a plurality of longitudinal stiffening plates are respectively arranged between the front web plate and the rear web plate of the upper beam body and at the installation positions of the two oil cylinders; the structure and the plane size of the upright post seal top are the same as the structure and the plane size of the upright post seal bottom in a one-to-one correspondence manner;
The upright post is of a square box-shaped structure; the two pairs of upright posts are fixed between the two pairs of upright post bottom covers and the two pairs of upright post top covers in a one-to-one correspondence manner;
The tool rest comprises a tool rest main body, a tool rest head connecting piece and a tool rest head; the tool rest main body comprises a tool rest top plate and a tool rest main plate vertically connected to the middle part of the bottom surface of the tool rest top plate; a plurality of support rib plates are respectively arranged between the tool rest top plate and the tool rest main plate at the installation positions of the two oil cylinders, and bolt holes corresponding to flange bolts at the bottoms of the oil cylinders are respectively formed in the installation positions of the two oil cylinders of the tool rest top plate; a rectangular groove is formed in the center of the bottom surface of the tool rest main board along the length direction of the tool rest main board, and a plurality of bolt holes are formed in the two side walls of the groove at intervals along the length direction of the tool rest main board; the length of the tool rest head connecting piece is the same as that of the tool rest main board, the cross section of the tool rest head connecting piece is in an inverted T shape and comprises a vertical part and a horizontal part, the width of the vertical part is matched with the width of a groove on the tool rest main board, a plurality of bolt perforations which are in one-to-one correspondence with the bolt holes on the tool rest main board are formed in the vertical part at intervals along the length direction of the tool rest connecting piece, a plurality of pairs of countersunk bolt holes are formed in the top surface of the horizontal part at intervals along the length direction of the tool rest connecting piece, and the vertical part of the tool rest head connecting piece is inserted into the groove of the tool rest main board and is connected to the bottom of the tool rest main body through a plurality of bolts; the top surface of the tool rest head is provided with a plurality of pairs of threaded blind holes which are in one-to-one correspondence with the plurality of pairs of countersunk bolt holes on the tool rest head connecting piece, and the tool rest head is connected to the bottom of the tool rest head connecting piece through a plurality of pairs of bolts;
The guide mechanism comprises two guide main shafts and two guide shaft sleeves; the two guide spindles are respectively connected with the middle parts between the two pairs of vertical columns in a one-to-one correspondence manner through two connecting plates; the two guide shaft sleeves are respectively sleeved on the two guide main shafts in a one-to-one correspondence manner through the two guide sleeves, and the two guide shaft sleeves are connected to the two sides of the tool rest main body in a one-to-one correspondence manner;
The hydraulic system comprises two oil cylinders, and the top surfaces of the two oil cylinders are respectively fixed on the bottom plate of the upper beam body through an oil cylinder connecting plate; end flanges of piston rods of the two oil cylinders are fixed on a tool rest top plate of the tool rest main body.
The 4500 ton oil press, wherein the height of the lower beam, the height of the front workbench and the height of the rear workbench are 1180mm; the width of the lower beam body is 960mm, and the width of the front workbench and the width of the rear workbench are 580mm;
above-mentioned 4500 ton hydraulic press, wherein, the lower beam is originally internal and all set up the longitudinal stiffening plate under the multichannel in two workstations, and two longitudinal stiffening plate down of the outside all adopts 40mm thick steel sheet in two workstations, and the longitudinal stiffening plate adopts 30mm thick steel sheet under the rest.
The 4500 ton oil press, wherein the outer web plate, the middle web plate and the inner panel are made of steel plates with the thickness of 60 mm; the top plate and the bottom plate of the lower beam body are made of steel plates with the thickness of 80 mm; the outer side plate, the bottom sealing panel and the inner side plate of the bottom sealing are all made of steel plates with the thickness of 80 mm.
The 4500 ton oil press, wherein the thickness of the top plate of the workbench and the thickness of the bottom plate of the workbench are both 60mm; the inner panel of the workbench is made of a steel plate with the thickness of 60mm; the outer side plate of the workbench and the outer side plate of the workbench adopt steel plates with the thickness of 40 mm.
Above-mentioned 4500 ton hydraulic press, wherein, the height of last crossbeam is 1650mm, the last crossbeam body sets up three upper longitudinal stiffening plates in the mounted position that corresponds two hydro-cylinders, and upper longitudinal stiffening plate all adopts 60mm thick steel sheet.
The 4500 ton oil press, wherein the height of the upright post is 7550mm; the cross-sectional dimension of the column is 600mm×600mm, and the wall thickness is 80mm.
The 4500 ton oil press, wherein the top plate of the tool rest is made of a steel plate with the thickness of 80 mm; the tool rest main board adopts a 220mm thick steel plate; the width of the groove is 76mm.
According to the 4500 ton oil press, the guide shaft sleeve and the tool rest main board are connected into a whole through the two connecting rib plates, and each connecting rib plate is made of a steel plate with the thickness of 40 mm.
The 4500 ton oil press of the invention has the following characteristics: the machine body adopts a steel plate to splice and weld into a frame structure form, so that the machine body has high strength and rigidity, long service life, small vibration during working and small energy loss, the machining precision of parts and the service life of a die can be improved, and the future wind power development needs can be met.
Drawings
Fig. 1 is a front view of a 4500 ton oil press of the present invention;
Fig. 2 is a side view of a 4500 ton oil press of the present invention;
FIG. 3 is a plan view of the lower cross beam in the 4500 ton oil press of the present invention;
fig. 4 is a plan view of the upper cross beam in the 4500 ton oil press of the present invention;
fig. 5 is a front view of the tool holder in the 4500 ton oil press of the present invention;
FIG. 5a is a view from A-A in FIG. 5;
FIG. 5B is a B-B view of FIG. 5;
FIG. 5C is a view from C-C in FIG. 5;
FIG. 5d is a cross-sectional view of the tool head connector of the 4500 ton oil press of the present invention;
Fig. 5e is a cross-sectional view of the tool head in a 4500 ton oil press of the present invention;
Fig. 6 is an axial cross-section of the guide mechanism in the 4500 ton oil press of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 6, the 4500 ton oil press of the present invention includes a frame structure, a hydraulic system and an electrical control system. The machine body structure comprises a lower cross beam 1, two work tables 2, an upper cross beam 3, two pairs of upright posts 4, a tool rest 5 and a guide mechanism 6.
The lower beam 1 comprises a lower beam body 1A and two pairs of column bottoms 1B; the lower beam body 1A is of a rectangular beam structure, has the length of 4800mm and the width of 960mm; the lower beam body 1A comprises a top plate 11, a bottom plate 12 and two outer webs 13, and the lower beam body 1A forms a double-cavity structure through a middle web 14 which is arranged in the middle between the two front webs 13 in parallel; two pairs of upright post back covers 1B are connected on two sides of the lower beam body 1A in a one-to-one correspondence and symmetrically and respectively comprise a back cover top plate and a back cover bottom plate, each upright post back cover 1B comprises a back cover outer side plate 14 connected on the side surface of the lower beam body 1A and with the length larger than the width of the lower beam body 1A, two back cover panels 16 vertically connected on the front end and the rear end of the back cover outer side plate 15 in a one-to-one correspondence, and two back cover inner side plates 17 connected between the inner ends of the two back cover panels 16 and the two outer webs 13 in a one-to-one correspondence.
The height of the two work tables 2 is the same as that of the lower cross beam 1, and the two work tables 2 are connected at the front end and the rear end of the lower cross beam 1 in a one-to-one correspondence manner and respectively comprise a work table top plate and a work table bottom plate; each of the tables 2 includes a table inner panel 21 connected between the inner ends of the two back cover panels 15 on the same side of the lower cross member body 1A, two table outer panels 22 extendedly connected to the end portions of the two back cover outer panels 14 on the same side of the lower cross member body 1A, and a table outer panel 23 connected between the other ends of the two table outer panels 22. The thicknesses of the workbench top plate and the workbench bottom plate are 60mm; the inner panel 21 of the workbench adopts a steel plate with the thickness of 60mm; the table outer panel 22 and the table outer panel 23 are made of steel plates 40mm thick.
The lower beam body 1A and the two work tables 2 are connected into a whole through a plurality of lower longitudinal stiffening plates 10; a plurality of lower longitudinal stiffening plates 10 are also arranged in the lower beam body 1A and the two work tables 2, the two lower longitudinal stiffening plates 10' at the outermost sides in the two work tables 2 are all made of steel plates with the thickness of 40mm, and the rest of lower longitudinal stiffening plates 10 are made of steel plates with the thickness of 30 mm.
The upper beam 3 comprises an upper beam body 3A and two pairs of upright post caps 3B; the structure and the plane size of the upper beam body 4A are the same as those of the lower beam body 1A in one-to-one correspondence, and three upper longitudinal stiffening plates 30 are respectively arranged between the front web plate and the rear web plate of the upper beam body 3A and positioned at the installation positions of the two oil cylinders 8 for local reinforcement; the structure and the plane size of the upright post seal top 3B are the same as those of the upright post seal bottom 1B in a one-to-one correspondence.
When the upper beam 3 and the lower beam 1 are manufactured, grooves are required to be formed for full penetration welding in the welding of the two front webs 13 and the middle web 14 with the top plate 11 and the bottom 12, and the welding position is preheated by a steel plate and heated and insulated after welding, so that the generation of cracks is prevented, the welding internal stress is eliminated, and the fatigue resistance is improved. Because the structural dimensions of the upper beam 3 and the lower beam 1 are large and the overall strength is high, the welding process is difficult to carry out fire attack straighter after the processing is finished, the deformation is required to be controlled in the splicing welding process, the blanking of the steel plate is carried out by adopting a numerical control cutting machine, a groove is formed by adopting a semi-automatic cutting machine, the blanking precision is ensured, the welding deformation is reduced, and the welding sequence is symmetrically welded from the middle part to the two sides simultaneously. The height of the upper beam 3 is 1650mm, the structural form and the width of the lower beam 1 are consistent with those of the upper beam 3, the lower beam 1 mainly bears uniformly distributed load, the section height of the lower beam 1 is reduced compared with that of the upper beam 3, and the height of the lower beam 1 and the heights of the two work tables 2 are 1180mm.
The upright post 4 is of a structure for connecting the upper cross beam and the lower cross beam, bears all tensile stress when the oil cylinder 7 works, and is of a square box-shaped structure; the two pairs of upright posts 4 are fixed between the two pairs of upright post bottom covers 1B and the two pairs of upright post top covers 3B in a one-to-one correspondence manner; the height of the upright post 4 is 7550mm; the cross section size of the upright post 4 is 600mm multiplied by 600mm, the wall thickness is 80mm, and the stress requirement and the overall strength can be met. The welding of the upright post 4 needs to be provided with a groove for full penetration welding, and the welding deformation is controlled.
The tool holder 5 includes a tool holder body 51, a tool holder head connector 52, and a tool holder head 53; wherein the tool rest main body 51 includes a tool rest top plate 511 and a tool rest main plate 512 vertically connected to the bottom middle of the tool rest top plate 511; a plurality of support rib plates 510 are respectively arranged between the tool rest top plate 511 and the tool rest main plate 512 at the mounting positions of the two oil cylinders 7, and the tool rest top plate 511 is respectively provided with bolt holes corresponding to flange bolts at the bottoms of the oil cylinders 7 at the mounting positions of the two oil cylinders 7; a rectangular groove 513 is formed in the center of the bottom surface of the tool rest main board 512 along the length direction of the tool rest main board 512, and a plurality of bolt holes 514 are formed in the two side walls of the groove 513 at intervals along the length direction of the tool rest main board 512; the length of the tool rest head connecting piece 52 is the same as that of the tool rest main board 512, the cross section of the tool rest head connecting piece 52 is in an inverted T shape and comprises a vertical part 521 and a horizontal part 522, the width of the vertical part 521 is matched with the width of a groove 513 on the tool rest main board 512, a plurality of bolt holes 523 which are in one-to-one correspondence with the bolt holes 514 on the tool rest main board 512 are formed in the vertical part 521 at intervals along the length direction of the tool rest connecting piece 52, a plurality of pairs of countersunk bolt holes 524 are formed in the top surface of the horizontal part along the length direction of the tool rest connecting piece 52 at intervals, and the vertical part 521 of the tool rest head connecting piece 52 is inserted into the groove 513 of the tool rest main board 512 and is connected to the bottom of the tool rest main body 51 through a plurality of bolts; the top surface of the tool rest head 53 is provided with a plurality of pairs of threaded blind holes which are in one-to-one correspondence with a plurality of pairs of countersunk bolt holes 522 on the tool rest head connecting piece 52, and the tool rest head 53 is connected to the bottom of the tool rest head connecting piece 52 through a plurality of pairs of bolts.
Different tool head connectors 52 and tool head 53 are designed to meet the press head parameters of various steel plates by different working conditions.
Because the tool rest 5 is easy to be worn seriously with the upright post 4 during lifting operation, the tool rest 5 cannot be in direct contact with the upright post 4, and the invention adopts a wear-resistant and easily-replaced material as the guide mechanism 6 of the movable tool rest 5 and the upright post 4. The guide mechanism 6 comprises two guide main shafts 61 and two guide shaft sleeves 63; the two guide main shafts 61 are respectively connected in one-to-one correspondence to the middle part between the two pairs of upright posts 4 through two connecting plates 60 (with the thickness of 60 mm); the two guide shaft sleeves 63 are respectively sleeved on the two guide main shafts 61 in a one-to-one correspondence manner through the two guide sleeves 62, and the two guide shaft sleeves 63 are connected to the two sides of the tool rest main body 51 in a one-to-one correspondence manner; the top of the guide shaft sleeve 63 is directly connected with the side surface of the tool rest top plate 511, the guide shaft sleeve 63 and the side surface of the tool rest main plate 512 are connected into a whole through two connecting rib plates 515, and the connecting rib plates 515 are made of steel plates with the thickness of 40 mm. The guide main shaft 61 is made of a seamless steel pipe having an outer diameter of 400mm (lower deviation of-0.1 mm, upper deviation of 0); the guide sleeve 62 is made of cast tin bronze, has good wear resistance, is convenient to replace, is simple to manufacture and is low in price, and the inner diameter of the guide sleeve 62 is 400mm (the upper deviation is 0mm, and the lower deviation is +0.016 mm); the guide sleeve 63 has an outer diameter of 508mm and an inner diameter of 450mm (upper deviation of 0.048mm and lower deviation of +0.016 mm); the guide sleeve 62 is in clearance fit with the guide main shaft 61, and the guide sleeve 62 is in bolt fastening connection with the guide shaft sleeve 63 after the installation is completed, so that the guide sleeve 62 is prevented from falling off during operation. The guiding mechanism 6 has good guiding performance and strong unbalanced load resistance.
The hydraulic system comprises two oil cylinders 7, and the top surfaces of the two oil cylinders 7 are respectively fixed on the bottom plate of the upper beam body 3A through an oil cylinder connecting plate 71; the end flanges 72 of the piston rods of the two cylinders 7 are fixed to the head plate 511 of the head main body 51.
The hydraulic system also comprises an oil tank device, a motor pump set and a control valve group. The outer diameter of the cylinders 7 is 1000mm, the diameter of the end flange of the piston rod of each cylinder 7 is 600mm, and the pressing force of each cylinder 7 is 22500kN. The oil tank device is arranged above the pump set chassis and comprises an oil tank, a magnetic filter, an oil return filter, an air cleaner, a liquid level meter and the like which are arranged on the oil tank. The motor pump group is assembled on the pump group chassis and adopts three flexible connections (shock absorber, expansion joint and high-pressure hose). The variable plunger pump provides an oil source for the system; in order to facilitate equipment maintenance, an oil suction port of the motor pump set is provided with an oil suction ball valve.
The control valve group adopts a high integration design of large-drift-diameter electrohydraulic control, and has the main functions of:
(1) The pump group is started in idle load;
(2) Pressurizing the system, and switching between high pressure for pressing and low pressure for returning;
(3) Overload protection of system pressure;
(4) And the pressure of the upper cavity and the lower cavity of the oil cylinder is protected.
The electric control system consists of an operation cabinet, a handheld operation box and a travel detection device. The circuit breaker, the contactor and the thermal relay are arranged in the operation cabinet and used for controlling the start and stop of the motor, and the indication lamp, the emergency stop button, the operation button and the like are arranged on the panel of the operation cabinet and used for controlling the operation of the press. The stroke detection device consists of a pull rope sensor and can be used for displaying the real-time displacement of the oil cylinder.
The 4500 ton oil press has the advantages of high strength and rigidity of the machine body, easy processing, good economic benefit, long service life, small vibration during working, small energy loss, capability of improving the processing precision of parts and the service life of a die, and capability of meeting the future wind power development requirement. The hydraulic system is provided with high pressure for pressing, low pressure for return stroke, and is simple to operate, and the working efficiency of the oil press is greatly improved.
The above embodiments are provided for illustrating the present invention and not for limiting the present invention, and various changes and modifications may be made by one skilled in the relevant art without departing from the spirit and scope of the present invention, and thus all equivalent technical solutions should be defined by the claims.
Claims (9)
1. A 4500 ton oil press, comprising a machine body structure and a hydraulic system; the machine body structure comprises a lower cross beam, two work tables, an upper cross beam, two pairs of upright posts, a tool rest and a guide mechanism; it is characterized in that the method comprises the steps of,
The lower beam comprises a lower beam body and two pairs of column bottoms; the lower beam body is of a rectangular beam structure and comprises a top plate, a bottom plate and two outer webs, and the lower beam body forms a double-cavity structure through a middle web which is arranged in the middle between the two outer webs in parallel; the two pairs of column bottoms are connected to two sides of the lower beam body in a one-to-one correspondence and symmetrically and comprise a bottom cover top plate and a bottom cover bottom plate, each pair of column bottoms comprises a bottom cover outer side plate connected to the side surface of the lower beam body and longer than the width of the lower beam body, two bottom cover panels vertically connected to the front end and the rear end of the bottom cover outer side plate in a one-to-one correspondence, and two bottom cover inner side plates connected between the inner ends of the two bottom cover panels and the two outer webs in a one-to-one correspondence;
The height of the two workbenches is the same as that of the lower cross beam, and the two workbenches are connected to the front end and the rear end of the lower cross beam in a one-to-one correspondence manner and comprise a workbench top plate and a workbench bottom plate; each workbench comprises a workbench inner panel connected between the inner ends of two bottom sealing panels positioned on the same side of the lower beam body, two workbench outer panels which are connected with the end parts of the two bottom sealing outer panels positioned on the same side of the lower beam body in an extending manner, and a workbench outer panel connected between the other ends of the two workbench outer panels; the two work tables are connected with the lower beam body into a whole through a plurality of lower longitudinal stiffening plates;
The upper beam comprises an upper beam body and two pairs of upright posts for capping; the structure and the plane size of the upper beam body are the same as those of the lower beam body in one-to-one correspondence, and a plurality of longitudinal stiffening plates are respectively arranged between the front web plate and the rear web plate of the upper beam body and at the installation positions of the two oil cylinders; the structure and the plane size of the upright post seal top are the same as the structure and the plane size of the upright post seal bottom in a one-to-one correspondence manner;
The upright post is of a square box-shaped structure; the two pairs of upright posts are fixed between the two pairs of upright post bottom covers and the two pairs of upright post top covers in a one-to-one correspondence manner;
The tool rest comprises a tool rest main body, a tool rest head connecting piece and a tool rest head; the tool rest main body comprises a tool rest top plate and a tool rest main plate vertically connected to the middle part of the bottom surface of the tool rest top plate; a plurality of support rib plates are respectively arranged between the tool rest top plate and the tool rest main plate at the installation positions of the two oil cylinders, and bolt holes corresponding to flange bolts at the bottoms of the oil cylinders are respectively formed in the installation positions of the two oil cylinders of the tool rest top plate; a rectangular groove is formed in the center of the bottom surface of the tool rest main board along the length direction of the tool rest main board, and a plurality of bolt holes are formed in the two side walls of the groove at intervals along the length direction of the tool rest main board; the length of the tool rest head connecting piece is the same as that of the tool rest main board, the cross section of the tool rest head connecting piece is in an inverted T shape and comprises a vertical part and a horizontal part, the width of the vertical part is matched with the width of a groove on the tool rest main board, a plurality of bolt perforations which are in one-to-one correspondence with the bolt holes on the tool rest main board are formed in the vertical part at intervals along the length direction of the tool rest connecting piece, a plurality of pairs of countersunk bolt holes are formed in the top surface of the horizontal part at intervals along the length direction of the tool rest connecting piece, and the vertical part of the tool rest head connecting piece is inserted into the groove of the tool rest main board and is connected to the bottom of the tool rest main body through a plurality of bolts; the top surface of the tool rest head is provided with a plurality of pairs of threaded blind holes which are in one-to-one correspondence with the plurality of pairs of countersunk bolt holes on the tool rest head connecting piece, and the tool rest head is connected to the bottom of the tool rest head connecting piece through a plurality of pairs of bolts;
The guide mechanism comprises two guide main shafts and two guide shaft sleeves; the two guide spindles are respectively connected with the middle parts between the two pairs of vertical columns in a one-to-one correspondence manner through two connecting plates; the two guide shaft sleeves are respectively sleeved on the two guide main shafts in a one-to-one correspondence manner through the two guide sleeves, and the two guide shaft sleeves are connected to the two sides of the tool rest main body in a one-to-one correspondence manner;
The hydraulic system comprises two oil cylinders; the top surfaces of the two oil cylinders are respectively fixed on the bottom plate of the upper beam body through an oil cylinder connecting plate; end flanges of piston rods of the two oil cylinders are fixed on a tool rest top plate of the tool rest main body.
2. The 4500 ton oil press of claim 1 wherein the height of the lower beam, the height of the front table, and the height of the rear table are 1180mm; the width of the lower beam body is 960mm, and the width of the front workbench and the width of the rear workbench are 580mm.
3. 4500 Ton oil press according to claim 1 or 2, characterized in that a plurality of lower longitudinal stiffening plates are arranged in the lower beam body and in the two work tables, the two lower longitudinal stiffening plates at the outermost side in the two work tables are made of steel plates with thickness of 40mm, and the rest of lower longitudinal stiffening plates are made of steel plates with thickness of 30 mm.
4. 4500 Ton oil press according to claim 1, characterized in that the outer, middle and inner webs are of 60mm thick steel plate; the top plate and the bottom plate of the lower beam body are made of steel plates with the thickness of 80 mm; the outer side plate, the bottom sealing panel and the inner side plate of the bottom sealing are all made of steel plates with the thickness of 80 mm.
5. The 4500 ton oil press of claim 1 wherein the thickness of the top plate of the table and the thickness of the bottom plate of the table are each 60mm; the inner panel of the workbench is made of a steel plate with the thickness of 60mm; the outer side plate of the workbench and the outer side plate of the workbench adopt steel plates with the thickness of 40 mm.
6. The 4500 ton oil press according to claim 1, wherein the height of the upper beam is 1650mm, three upper longitudinal stiffening plates are arranged on the upper beam body at installation positions corresponding to the two oil cylinders, and the upper longitudinal stiffening plates are all made of steel plates with thickness of 60 mm.
7. 4500 Ton oil press according to claim 1, characterized in that the height of the upright is 7550mm; the cross-sectional dimension of the column is 600mm×600mm, and the wall thickness is 80mm.
8. The 4500 ton oil press of claim 1 wherein the knife holder top plate is an 80mm thick steel plate; the tool rest main board adopts a 220mm thick steel plate; the width of the groove is 76mm.
9. The 4500 ton oil press according to claim 1, wherein the guide sleeve and the main plate of the tool rest are connected together through two connecting rib plates, and each connecting rib plate adopts a steel plate with a thickness of 40 mm.
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| CN202110584841.1A CN113276471B (en) | 2021-05-27 | 2021-05-27 | 4500 Ton oil press |
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| CN113276471A (en) | 2021-08-20 |
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Country or region after: China Address after: 200032 No. 139, Xuhui District, Shanghai, Pingjiang Road Applicant after: CCCC THIRD HARBOR ENGINEERING Co.,Ltd. Country or region after: China Applicant after: CCCC Third Aviation Bureau Sixth Engineering (Xiamen) Co.,Ltd. Applicant after: XIAMEN BRANCH OF CCCC THIRD HARBOR ENGINEERING Co.,Ltd. Address before: 200032 No. 139, Xuhui District, Shanghai, Pingjiang Road Applicant before: CCCC THIRD HARBOR ENGINEERING Co.,Ltd. Country or region before: China Applicant before: CCCC Sanya (Xiamen) Engineering Co.,Ltd. Country or region before: China Applicant before: XIAMEN BRANCH OF CCCC THIRD HARBOR ENGINEERING Co.,Ltd. |
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