CN113878046B - Oversized titanium alloy thermal forming furnace - Google Patents
Oversized titanium alloy thermal forming furnace Download PDFInfo
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- CN113878046B CN113878046B CN202111471516.0A CN202111471516A CN113878046B CN 113878046 B CN113878046 B CN 113878046B CN 202111471516 A CN202111471516 A CN 202111471516A CN 113878046 B CN113878046 B CN 113878046B
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- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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Abstract
The invention relates to an oversized titanium alloy thermal forming furnace, and belongs to the technical field of high-temperature thermal forming. The structure is as follows: the upper cross beam and the lower cross beam are supported through four stand columns, a hydraulic lifting device is arranged in the upper cross beam, and the movable end of the hydraulic lifting device is connected with the upper heating platform through a sliding block; a movable lower platform is arranged on the upper surface of the lower cross beam, and the bottom of the lower cross beam drives the ejector rod to ascend through a lower driving hydraulic cylinder and extends out of the lower heating platform; a pair of moving-out guide rails is arranged outside the lower cross beam; four rollers are arranged on the bottom surface of the movable lower platform; four grooves are arranged on the upper surface of the lower cross beam, and jacking cylinder supporting rollers are respectively arranged below the four grooves; and a chain wheel transmission device is arranged between the two shifting-out guide rails, wherein the chain wheel transmission device is provided with a driving block, and the driving block is connected with the movable lower platform. The super large type titanium alloy hot forming furnace of this application not only can realize shifting out of lower heating platform, the loading and unloading of the mould of being convenient for, and the operation is convenient moreover, improves hot forming efficiency.
Description
Technical Field
The invention relates to an oversized titanium alloy thermal forming furnace, and belongs to the field of high-temperature thermal forming.
Background
The existing large titanium alloy thermal forming furnace generally adopts moving tools such as a forklift to carry a forming die, so that forklift equipment and a forklift driver are required to carry the titanium alloy thermal forming furnace in the carrying process, financial resources and material resources are wasted, and the carrying efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing an oversized titanium alloy hot forming furnace, which not only can realize the moving-out of a lower heating platform and facilitate the loading and unloading of a mold, but also is convenient to operate and improves the hot forming efficiency.
In order to solve the above problems, the specific technical scheme of the invention is as follows: an oversized titanium alloy thermal forming furnace is supported between an upper cross beam and a lower cross beam through four stand columns, a sealing door is arranged between the upper cross beam and the lower cross beam, and the sealing door, the upper cross beam and the lower cross beam jointly form a sealing space; a hydraulic lifting device is arranged in the upper cross beam, the movable end of the hydraulic lifting device downwards penetrates through the upper cross beam to be connected with the sliding block, and the bottom of the sliding block is connected with the upper heating platform; a movable lower platform is arranged on the upper surface of the lower cross beam, a lower heating platform is arranged on the upper surface of the movable lower platform, the center of the lower cross beam is of a rectangular through hole structure, a supporting platform is arranged in the rectangular through hole, a lower driving hydraulic cylinder is arranged below the supporting platform, the bottom of the lower driving hydraulic cylinder is fixed on a foundation, and a piston rod of the lower driving hydraulic cylinder is connected with the supporting platform; a plurality of vertical ejector rods are arranged on the upper surface of the supporting platform; through holes corresponding to the positions of the ejector rods are arranged on the movable lower platform and the lower heating platform, and the ejector rods penetrate through the movable lower platform and extend out of the lower heating platform; a pair of shifting-out guide rails is arranged outside the lower cross beam and is vertical to the end surface of the lower cross beam; four rollers are arranged on the bottom surface of the movable lower platform, every two rollers form a group, and each group of rollers is in rolling fit connection with the moving-out guide rail on the corresponding side; four grooves are formed in the upper surface of the lower cross beam, four rollers are respectively seated in the grooves at corresponding positions, and jacking cylinders are respectively arranged below the four grooves; a chain wheel transmission device is arranged between the two shifting-out guide rails, chain wheels are respectively arranged at two ends of a frame of the chain wheel transmission device, and a rotating shaft of the chain wheel at one side is driven to rotate by a shifting-out driving motor; the two chain wheels are connected through a chain, a driving block is arranged on the chain, and the driving block is connected with the movable lower platform.
A roller seat is arranged in the groove, the upper surface of the roller seat is lower than the upper surface of the lower cross beam and supports a roller at a corresponding position, and the bottom of the roller seat is connected with a jacking cylinder; the two sides of the top of the roller seat are provided with L-shaped structures which are bent outwards, the inner wall of the inner hole of the platform with the roller is provided with a limiting table under the movement, and the L-shaped structures of the roller seat are seated on the limiting table.
The hydraulic lifting device consists of four upper driving hydraulic cylinders and four upper guide posts, wherein the upper driving hydraulic cylinders are distributed in the upper cross beam in a rectangular mode, and piston rods of the upper driving hydraulic cylinders are connected with the upper surface of the sliding block; the four corners of the upper surface of the sliding block are respectively connected with upper guide columns, the tops of the upper guide columns penetrate out of the upper cross beam, the upper half part of each upper guide column is respectively provided with two vertical racks, the tooth surfaces of the two racks of the same upper guide column are distributed at 90 degrees, a horizontal rotating rod is supported between every two adjacent upper guide columns through a bearing seat, the two ends of each rotating rod are respectively connected with a gear, and the gears are meshed with the racks at corresponding positions.
The left side and the right side of the lower surface of the upper cross beam are symmetrically provided with a safety locking driving cylinder, a piston rod of the safety locking driving cylinder is connected with a lock pin, a locking double-lug plate is arranged at a position corresponding to the lock pin, and the upper end of the locking double-lug plate is connected with the upper cross beam; inserting an inserting plate between the locking double lug plates, wherein the lower end of the inserting plate is connected with the side surface of the sliding block; coaxial through holes are arranged on the inserting plate and the locking double lugs, and the locking pin is inserted into the through holes.
And the side end of the upper surface of the movable lower platform is provided with an inflation and exhaust valve, and the bottom of the inflation and exhaust valve is connected with an inert gas source through a pipeline.
This super large type titanium alloy thermoforming stove adopts hydraulic pressure elevating gear to drive through the slider and goes up heating platform and reciprocate, reciprocates the platform under removing through drive hydraulic cylinder down, simultaneously when loading and unloading mould, starts jack-up jar, will remove the ejecting recess of platform down to will remove the lower platform through sprocket feed along shifting out the guide rail and remove to the forming furnace outside, make things convenient for the loading and unloading of thermoforming part and mould.
The roller seat is arranged in the groove, so that the roller is supported by the roller seat, and meanwhile, the support area of the roller seat is increased and the service life of the roller seat is prolonged by utilizing the contact between the L-shaped structure on the roller seat and the limiting table.
The supporting platform is provided with a lower driving hydraulic cylinder for supporting, the plurality of ejector rods are guided by the movable lower platform and the lower heating platform through holes, the ejector rods are used for supporting the lower die bottom edge of the hot forming die, and the movable ejector rods and the lower heating platform are guaranteed to be in accordance with technical requirements in terms of verticality, so that the precision of hot forming parts is guaranteed.
The hydraulic lifting device adopts four upper driving hydraulic cylinders to drive the sliding block, and simultaneously, the stable stress of the sliding block in the downward moving process is ensured by utilizing a structure that the rack at the top of the upper guide post is meshed with the gear.
The bottom surface of the upper cross beam is provided with a safe locking driving cylinder which drives the lock pin to be inserted into the inserting plate and the through hole for locking the double lug plates, so that the sliding block is ensured to be locked in a non-moving state, and the safety performance is improved.
Drawings
FIG. 1 is a front view structural diagram of a super large titanium alloy hot forming furnace.
FIG. 2 is a side view structural diagram of a oversized titanium alloy hot forming furnace.
FIG. 3 is a top view of an oversized titanium alloy thermoforming furnace.
Fig. 4 is a partially enlarged view of a portion a in fig. 1.
Fig. 5 is a partially enlarged view of fig. 1 at B.
Fig. 6 is a partially enlarged view of fig. 1 at C.
Detailed Description
As shown in fig. 1 to 5, in the oversized titanium alloy thermoforming furnace, an upper beam 1 and a lower beam 5 are supported by four upright posts 3, a sealing door is arranged between the upper beam 1 and the lower beam 5, and the sealing door, the upper beam 1 and the lower beam 5 jointly form a sealing space; a hydraulic lifting device 7 is arranged in the upper cross beam 1, the movable end of the hydraulic lifting device 7 downwards penetrates through the upper cross beam 1 to be connected with the sliding block 2, and the bottom of the sliding block 2 is connected with an upper heating platform 10; a movable lower platform 4 is arranged on the upper surface of a lower cross beam 5, a lower heating platform 11 is arranged on the upper surface of the movable lower platform 4, the center of the lower cross beam 5 is of a rectangular through hole structure, a supporting platform 15 is arranged in the rectangular through hole, a lower driving hydraulic cylinder 16 is arranged below the supporting platform 15, the bottom of the lower driving hydraulic cylinder 16 is fixed on a foundation, and a piston rod of the lower driving hydraulic cylinder 16 is connected with the supporting platform 15; the upper surface of the supporting platform 15 is provided with a plurality of vertical mandrils 17, and 24 mandrils are distributed at equal intervals in the embodiment; through holes corresponding to the positions of the ejector rods 17 are formed in the lower moving platform 4 and the lower heating platform 11, when the lower driving hydraulic cylinder 16 acts to drive the supporting platform 15 to move upwards, the ejector rods move vertically upwards, and the tops of the ejector rods 17 sequentially penetrate through the lower moving platform 4 and the lower heating platform 11, extend out of the lower heating platform 11 and are supported on positioning flanges of a thermoforming mold; a pair of shifting-out guide rails 8 are arranged outside the lower cross beam 5, and the shifting-out guide rails 8 are vertical to the end surface of the lower cross beam 5; four rollers 9 are arranged on the bottom surface of the movable lower platform 4, every two rollers 9 form a group, and each group of rollers 9 is in rolling fit connection with the moving-out guide rail 8 on the corresponding side; four grooves are formed in the upper surface of the lower cross beam 5, the four rollers 9 are respectively seated in the grooves at corresponding positions, and jacking cylinders 13 are respectively arranged below the four grooves; a chain wheel transmission device 40 is arranged between the two shift-out guide rails 8, wherein chain wheels 41 are respectively arranged at two ends of a frame of the chain wheel transmission device 40, and the chain wheel 41 at one side is driven by the shift-out driving motor 12 to rotate; the two chain wheels 41 are connected by a chain 42, a driving block 14 is arranged on the chain, and the driving block 14 is connected with the lower moving platform 4. When the lower movable platform 4 is in a non-moving-out state, the lower surface of the lower movable platform 4 is completely attached to the upper surface of the lower cross beam 5, so that the lower cross beam is completely loaded; when the lower moving platform 4 is in a moving-out state, the jacking cylinder 13 lifts the lower moving platform 4 by a little height, so that after the chain wheel transmission device is started, the roller 9 at the bottom of the lower moving platform 4 moves on the moving-out guide rail 8, and the lower moving platform 4 moves out of the lower cross beam.
As shown in fig. 4, a roller seat 18 is arranged in the groove, the upper surface of the roller seat 18 is lower than the upper surface of the lower beam 5 and supports the roller 9 at the corresponding position, and the bottom of the roller seat 18 is connected with a jacking cylinder 13; two sides of the top of the roller seat 18 are provided with L-shaped structures which are bent outwards, the inner wall of the inner hole of the movable lower platform 4, which is provided with the roller 9, is provided with a limit table 19, and the L-shaped structures of the roller seat 18 are seated on the limit table 19. When the lower movable platform 4 is in a non-moving-out state, the L-shaped structure of the roller seat 18 is seated on the limiting platform 19, the roller seat 18 and the roller 9 are in a non-contact state, and the bottom surface of the lower movable platform 4 is completely seated on the upper surface of the lower cross beam 5; when the lower moving platform 4 is in a moving-out state, the jacking cylinder 13 is started, the roller seat 18 moves upwards to jack the roller 9 until the bottom edge of the roller 9 is flush with the upper surface of the lower cross beam 5, meanwhile, the lower surface of the lower moving platform 4 is separated from the upper surface of the lower cross beam 5 to form a gap, and then the lower moving platform 4 is pulled through the chain wheel transmission device to enable the roller 9 to move outwards along the moving-out guide rail 8.
As shown in fig. 3, the hydraulic lifting device 7 is composed of four upper driving hydraulic cylinders 21 and four upper guide posts 22, wherein the upper driving hydraulic cylinders 21 are distributed in the upper beam 1 in a rectangular shape, and piston rods of the upper driving hydraulic cylinders 21 are connected with the upper surface of the slide block 2; four corners of the upper surface of the sliding block 2 are respectively connected with upper guide columns 22, the tops of the upper guide columns 22 penetrate out of the upper cross beam 1, the upper half part of each upper guide column 22 is respectively provided with two vertical racks 23, the tooth surfaces of the two racks 23 of the same upper guide column 22 are distributed at 90 degrees, a horizontal rotating rod 24 is supported between every two adjacent upper guide columns 22 through a bearing seat, two ends of the rotating rod 24 are respectively connected with a gear 25, and the gear 25 is meshed with the racks 23 at corresponding positions. The upper guide posts are in a structure of meshing of two-way gears and racks, and the four upper guide posts can be guaranteed to move up and down synchronously, so that the technical requirement of the flatness of the upper heating platform 10 driven by the sliding block 2 after moving up and down is met.
In order to improve the safety performance of the slider, as shown in fig. 5, safety locking driving cylinders 31 are symmetrically arranged on the left and right sides of the lower surface of the upper cross beam 1, a piston rod of each safety locking driving cylinder 31 is connected with a lock pin 32, a locking double lug 33 is arranged at a position corresponding to each lock pin 32, and the upper end of each locking double lug 33 is connected with the upper cross beam 1; an inserting plate 34 is inserted between the locking double-lug plates 33, and the lower end of the inserting plate 34 is connected with the side surface of the sliding block 2; coaxial through holes are provided in the insert plate 34 and the locking double tab 33, into which the locking pin 32 is inserted. Under the non-working state of the sliding block, the safety locking driving cylinder 31 drives the lock pin 32 to lock the sliding block 2 on the upper cross beam 1, so that the safety performance is improved.
As shown in fig. 6, an inflation and exhaust valve 20 is arranged at the side end of the upper surface of the movable lower platform 4, and the bottom of the inflation and exhaust valve 20 is connected with an inert gas source through a pipeline; in order to improve the air charging and exhausting effect, an air charging and exhausting valve 20 can be additionally arranged on the upper heating platform. Because the slide block 2 and the movable lower platform 4 are sealed in the sealing door, a sealed cavity is formed inside, when the titanium alloy or the aluminum alloy and the like are processed for hot forming, heating pipes inside the upper heating platform 10 and the lower heating platform 11 are heated to enable the sealed cavity to reach a certain temperature; when the superplastic forming/diffusion bonding process of large parts is required, in addition to heating, argon gas is also required to be filled into the large parts through the gas filling and discharging valve 20 so as to meet the requirements of the forming process.
Claims (5)
1. An oversized titanium alloy thermal forming furnace is supported between an upper cross beam (1) and a lower cross beam (5) through four upright posts (3), a sealing door is arranged between the upper cross beam (1) and the lower cross beam (5), and the sealing door, the upper cross beam (1) and the lower cross beam (5) jointly form a sealing space; the method is characterized in that: a hydraulic lifting device (7) is arranged in the upper cross beam (1), the movable end of the hydraulic lifting device (7) downwards penetrates through the upper cross beam (1) to be connected with the sliding block (2), and the bottom of the sliding block (2) is connected with an upper heating platform (10); a movable lower platform (4) is arranged on the upper surface of the lower cross beam (5), a lower heating platform (11) is arranged on the upper surface of the movable lower platform (4), the center of the lower cross beam (5) is of a rectangular through hole structure, a supporting platform (15) is arranged in the rectangular through hole, a lower driving hydraulic cylinder (16) is arranged below the supporting platform (15), the bottom of the lower driving hydraulic cylinder (16) is fixed on a foundation, and a piston rod of the lower driving hydraulic cylinder (16) is connected with the supporting platform (15); a plurality of vertical push rods (17) are arranged on the upper surface of the supporting platform (15); through holes corresponding to the positions of the ejector rods (17) are formed in the movable lower platform (4) and the lower heating platform (11), and the ejector rods (17) penetrate through the movable lower platform (4) and extend out of the lower heating platform (11); a pair of removal guide rails (8) are arranged outside the lower cross beam (5), and the removal guide rails (8) are vertical to the end surface of the lower cross beam (5); four rollers (9) are arranged on the bottom surface of the movable lower platform (4), every two rollers (9) form a group, and each group of rollers (9) is in rolling fit connection with the shifting-out guide rail (8) on the corresponding side; four grooves are formed in the upper surface of the lower cross beam (5), four rollers (9) are respectively seated in the grooves at corresponding positions, and jacking cylinders (13) are respectively arranged below the four grooves; a chain wheel transmission device (40) is arranged between the two shifting-out guide rails (8), wherein chain wheels (41) are respectively arranged at two ends of a frame of the chain wheel transmission device (40), and a rotating shaft of the chain wheel (41) at one side is driven to rotate by a shifting-out driving motor (12); the two chain wheels (41) are connected through a chain (42), a driving block (14) is arranged on the chain, and the driving block (14) is connected with the movable lower platform (4).
2. The oversized titanium alloy thermoforming furnace of claim 1, wherein: a roller seat (18) is arranged in the groove, the upper surface of the roller seat (18) is lower than the upper surface of the lower cross beam (5) and supports a roller (9) at a corresponding position, and the bottom of the roller seat (18) is connected with a jacking cylinder (13); two sides of the top of the roller seat (18) are provided with L-shaped structures which are bent outwards, the inner wall of the inner hole of the moving lower platform (4) provided with the roller (9) is provided with a limiting platform (19), and the L-shaped structures of the roller seat (18) are seated on the limiting platform (19).
3. The oversized titanium alloy thermoforming furnace of claim 1, wherein: the hydraulic lifting device (7) consists of four upper driving hydraulic cylinders (21) and four upper guide posts (22), wherein the upper driving hydraulic cylinders (21) are distributed in the upper cross beam (1) in a rectangular mode, and piston rods of the upper driving hydraulic cylinders (21) are connected with the upper surface of the sliding block (2); the upper surface four corners of slider (2) are connected respectively and are gone up guide post (22), go up guide post (22) top and wear out from entablature (1), the first half of every guide post (22) is equipped with two vertical racks (23) respectively, the flank of tooth of two racks (23) of same root guide post (22) is 90 and distributes, support horizontally bull stick (24) through the bearing frame between every two adjacent upper guide post (22), connect gear (25) respectively at the both ends of bull stick (24), gear (25) and the rack (23) meshing that corresponds the position.
4. The oversized titanium alloy thermoforming furnace of claim 1, wherein: the left side and the right side of the lower surface of the upper cross beam (1) are symmetrically provided with safety locking driving cylinders (31), piston rods of the safety locking driving cylinders (31) are connected with lock pins (32), locking double lugs (33) are arranged at positions corresponding to the lock pins (32), and the upper ends of the locking double lugs (33) are connected with the upper cross beam (1); an inserting plate (34) is inserted between the locking double-lug plates (33), and the lower end of the inserting plate (34) is connected with the side surface of the sliding block (2); coaxial through holes are arranged on the insert plate (34) and the locking double lug plate (33), and the locking pin (32) is inserted into the through holes.
5. The oversized titanium alloy thermoforming furnace of claim 1, wherein: and the side end of the upper surface of the movable lower platform (4) is provided with an inflation and exhaust valve (20), and the bottom of the inflation and exhaust valve (20) is connected with an inert gas source through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111471516.0A CN113878046B (en) | 2021-12-06 | 2021-12-06 | Oversized titanium alloy thermal forming furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111471516.0A CN113878046B (en) | 2021-12-06 | 2021-12-06 | Oversized titanium alloy thermal forming furnace |
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| Publication Number | Publication Date |
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| CN113878046A CN113878046A (en) | 2022-01-04 |
| CN113878046B true CN113878046B (en) | 2022-03-11 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252917A (en) * | 2013-05-22 | 2013-08-21 | 合肥海德数控液压设备有限公司 | Elastic lifting device for small and medium size table hydraulic machine and moving method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200998926Y (en) * | 2006-12-20 | 2008-01-02 | 合肥锻压机床有限公司 | Hydraulic press slide block upper limit automatic locking safety apparatus |
| CN202192766U (en) * | 2011-06-08 | 2012-04-18 | 沈阳飞机工业（集团）有限公司 | Hot forming machine with removal type workbench |
| CN102921857B (en) * | 2012-11-15 | 2015-07-15 | 天津市天锻压力机有限公司 | Superplastic diffusion bonding hot-forming press for titanium alloy sheet part |
| CN203752549U (en) * | 2014-01-23 | 2014-08-06 | 合肥海德数控液压设备有限公司 | Sliding plate extracting device of quick hydraulic mold changing machine |
| CN204148378U (en) * | 2014-08-11 | 2015-02-11 | 沈阳航天新阳速冻设备制造有限公司 | A kind of titanium alloy plate hot briquetting equipment |
| CN106515065B (en) * | 2016-12-21 | 2018-07-20 | 宁波澳玛特高精冲压机床股份有限公司 | A kind of modified crank punching machine |
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- 2021-12-06 CN CN202111471516.0A patent/CN113878046B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252917A (en) * | 2013-05-22 | 2013-08-21 | 合肥海德数控液压设备有限公司 | Elastic lifting device for small and medium size table hydraulic machine and moving method thereof |
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Address after: 110000 No.23, Hongbin Road, Yuhong District, Shenyang City, Liaoning Province Patentee after: Liaoning Huatian Aviation Technology Co.,Ltd. Address before: 110000 No.23, Hongbin Road, Yuhong District, Shenyang City, Liaoning Province Patentee before: SHENZHEN HUATIAN AVIATION MACHINERY CO.,LTD. |