CN113085248A - Large-scale graphite powder forming hydraulic machine - Google Patents
Large-scale graphite powder forming hydraulic machine Download PDFInfo
- Publication number
- CN113085248A CN113085248A CN202110498288.XA CN202110498288A CN113085248A CN 113085248 A CN113085248 A CN 113085248A CN 202110498288 A CN202110498288 A CN 202110498288A CN 113085248 A CN113085248 A CN 113085248A
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- cylinder
- workbench
- floating
- movable
- piston rod
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 9
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 244000309464 bull Species 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
- B30B11/04—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a large-scale graphite powder forming hydraulic machine which mainly comprises a pull rod, a lock nut, an upper cross beam, a main cylinder, a slide block, an upright post, a return cylinder, a floating frame, a floating cylinder, a workbench, a floating cylinder, a movable workbench, a movable cylinder, a guide rail, a support, a rail and a clamping cylinder. The mold has the advantages of realizing heavy-load carrying, being convenient for mold replacement, being compatible with the requirements of powder filling for a plurality of times and large loose loading ratio, and being suitable for large-tonnage forming with large-range change of the specification and the size of products.
Description
Technical Field
The invention relates to a powder forming hydraulic machine, in particular to a large graphite powder forming hydraulic machine.
Background
The graphite powder forming and manufacturing process has the technical characteristics of high apparent density ratio, multiple powder charging and large forming force; and the graphite powder products have various shapes and specifications and large mass, and the products and the die are not easy to carry and replace. How to design a large-tonnage forming hydraulic press which can realize heavy-load carrying, is convenient for die replacement, is compatible with the requirements of powder loading for a plurality of times and a large loose loading ratio and is suitable for the large-range change of the specification and the size of a product simultaneously is a technical problem to be solved urgently in the forming and manufacturing development of graphite powder.
Disclosure of Invention
The invention aims to provide a structural technical scheme of a large graphite powder forming hydraulic machine.
The technical scheme of the invention is as follows:
the device mainly comprises a pull rod, a lock nut, an upper cross beam, a main cylinder, a slide block, an upright post, a return cylinder, a floating frame, a floating cylinder, a workbench, a floating cylinder, a movable workbench, a movable cylinder, a guide rail, a support, a rail and a clamping cylinder; the four pull rods penetrate through the upper cross beam, the left and right upright posts and the workbench, the upper cross beam, the upright posts and the workbench are fixed into a closed frame through locking nuts which are fixed at two ends of each pull rod through threads, and the pull rods are pre-tightened before the locking nuts are fixed, so that the closed frame cannot be separated when a pressing workpiece is stressed; the main cylinder body is fixedly arranged in the upper cross beam through steps and a lock nut through hole, a main cylinder piston rod is fixedly arranged on the upper plane of the sliding block, and the upper cross beam expands forwards and backwards along with the size of the main cylinder body; the return cylinder body is fixedly arranged on the upper plane of the transverse connecting beam in the middle of the upright post, and the return cylinder piston rod is fixedly arranged on the lower plane of the sliding block; the slide block is arranged in an inner hole of the closed frame and moves up and down under the driving of the main cylinder and the return cylinder, and the guide rail has a guiding function on the movement of the slide block; the floating cylinder body is fixedly arranged in the workbench through steps and a lock nut through hole, and a floating cylinder piston rod is fixedly arranged on the lower plane of the floating frame; the floating frame is arranged in the inner hole of the closed frame and moves up and down under the driving of the floating cylinder, and the guide rail has a guiding function on the movement of the floating frame.
Further, the movable workbench is arranged on the upper side of the workbench and on the lower side of the floating frame; the bracket is fixedly arranged at the rear side of the workbench; the rail is fixedly arranged on the front side of the workbench; the movable cylinder body is fixedly arranged in the middle of the movable workbench through a step and a lock nut horizontal through hole; four rollers are symmetrically arranged on two sides of the movable workbench, the movable workbench is driven by the movable cylinder to move back and forth on the workbench and the rail, and the rail has a guiding effect on the movement of the movable workbench; the floating cylinder body is vertically and fixedly arranged in the workbench, and a piston rod of the floating cylinder is just aligned with a roller of the movable workbench when the movable workbench moves in place; the clamping cylinder is arranged in the middle of the upright post, and the cylinder body of the clamping cylinder is fixedly arranged on the upper surface of the workbench; the piston rod of the floating cylinder retracts, the movable workbench descends by means of dead weight and finally is attached to the workbench, meanwhile, a positioning pin on the upper plane of the workbench is inserted into a positioning ring on the lower plane of the movable workbench, the roller is sunk into the workbench, and the piston rod of the clamping cylinder extends out and pushes the lever so as to apply downward clamping force to the movable workbench and further prevent the movable workbench from displacing when a workpiece is pressed; the piston rod of the clamping cylinder retracts, the piston rod of the floating cylinder extends out, the movable workbench is jacked up, the roller rises to the upper side of the workbench, and the movable workbench can move back and forth on the workbench and the track.
Furthermore, a piston rod of the moving cylinder is provided with an extension section, a sleeve is sleeved on the extension section and penetrates through a hole in the support, the diameter of the hole in the support is larger than that of the sleeve, the sleeve can move up and down, and the moving distance of the sleeve is larger than the floating distance of the moving workbench; the piston rod extension sections on the two sides of the sleeve are respectively provided with a nut, the two nuts ensure that the piston rod cannot be separated from the support when the moving cylinder moves, and the surface of the nut, which is in contact with the sleeve, is embedded with a wear-resistant material; an oil port of the moving cylinder is positioned on the end surface of the piston rod and is communicated with the two action cavities of the moving cylinder through a hole in the piston rod; prevent changeing piece fixed mounting on the support, prevent that the bull stick fixed mounting is on moving the piston rod of jar, prevent that the bull stick penetrates in preventing the hole of changeing the piece, prevent to move jar piston rod and take place to rotate when the motion.
The invention has the advantages of realizing heavy-load transportation, facilitating the replacement of the die, being compatible with the requirements of powder loading for a plurality of times and large loose loading ratio, and being suitable for large-tonnage forming with large-range change of the specification and the size of the product.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a side view of the structure of the present invention.
Fig. 3 is a connection structure view of the moving cylinder of the present invention.
In fig. 1: 1-pull rod, 2-lock nut, 3-upper beam, 4-main cylinder, 5-slide block, 6-upright post, 7-return cylinder, 8-floating frame, 9-floating cylinder, 10-workbench, 11-floating cylinder, 12-moving workbench, 13-moving cylinder and 14-guide rail.
In fig. 2: 1-pull rod, 2-lock nut, 3-upper beam, 5-slide block, 6-upright post, 7-return cylinder, 8-floating frame, 10-workbench, 12-moving workbench, 13-moving cylinder, 15-bracket, 16-rail and 17-clamping cylinder.
In fig. 3: 8-floating frame, 9-floating cylinder, 10-workbench, 12-moving workbench, 13-moving cylinder, 1301-sleeve, 1302-nut, 1303-anti-rotation block, 1304-anti-rotation rod, 15-bracket, 16-track and 17-clamping cylinder.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, the invention mainly comprises a pull rod 1, a lock nut 2, an upper cross beam 3, a main cylinder 4, a sliding block 5, an upright post 6, a return cylinder 7, a floating frame 8, a floating cylinder 9, a workbench 10, a floating cylinder 11, a moving workbench 12, a moving cylinder 13, a guide rail 14, a bracket 15, a rail 16 and a clamping cylinder 17; the four pull rods 1 penetrate through the upper cross beam 3, the left and right upright posts 6 and the workbench 10, the upper cross beam 3, the upright posts 6 and the workbench 10 are fixed into a closed frame through the locking nuts 2 fixed at the two ends of each pull rod 1 through threads, and the pull rods 1 are applied with pretightening force before the locking nuts 2 are fixed, so that the closed frame cannot be separated when a pressing workpiece is stressed; the main cylinder 4 is fixedly arranged in the upper cross beam 3 through a step and a lock nut through hole, a piston rod of the main cylinder 4 is fixedly arranged on the upper plane of the sliding block 5, and the upper cross beam 3 expands forwards and backwards along with the size of the main cylinder 4; the cylinder body of the return cylinder 7 is fixedly arranged on the upper plane of the transverse connecting beam in the middle of the upright post 4, and the piston rod of the return cylinder 7 is fixedly arranged on the lower plane of the sliding block 5; the sliding block 5 is arranged in an inner hole of the closed frame and moves up and down under the driving of the main cylinder 4 and the return cylinder 7, and the guide rail 14 has a guiding function on the movement of the sliding block 5; the floating cylinder 9 cylinder body is fixedly arranged in the workbench 10 through steps and lock nut through holes, and the piston rod of the floating cylinder 9 is fixedly arranged on the lower plane of the floating frame 8; the floating frame 8 is arranged in an inner hole of the closed frame and moves up and down under the driving of the floating cylinder 9, and the guide rail 14 has a guiding function on the movement of the floating frame 8.
Referring to fig. 1 and 2, the movable table 12 of the present invention is disposed on the upper side of the table 10 and the lower side of the floating frame 8; the bracket 15 is fixedly arranged at the rear side of the workbench 10; the rail 16 is fixedly arranged on the front side of the workbench 10; the cylinder body of the movable cylinder 13 is fixedly arranged in the middle of the movable workbench 12 through a step and a lock nut horizontal through hole; four rollers are symmetrically arranged on two sides of the movable workbench 12, the movable workbench 12 is driven by the movable cylinder 13 to move back and forth on the workbench 10 and the rail 16, and the rail 16 has a guiding function on the movement of the movable workbench 12; the cylinder body of the floating cylinder 11 is vertically and fixedly arranged in the workbench 10, and when the movable workbench 12 moves in place, the piston rod of the floating cylinder 11 just aligns with the roller of the movable workbench 12; the clamping cylinder 17 is arranged in the middle of the upright post 4, and the cylinder body of the clamping cylinder 17 is fixedly arranged on the upper surface of the workbench 10; the piston rod of the floating cylinder 11 retracts, the movable workbench 12 descends by means of dead weight and finally is attached to the workbench 10, meanwhile, a positioning pin on the upper plane of the workbench 10 is inserted into a positioning ring on the lower plane of the movable workbench 12, the roller is sunk into the workbench 10, and the piston rod of the clamping cylinder 17 extends out and pushes the lever so as to apply downward clamping force to the movable workbench 12 and further prevent the movable workbench 12 from displacing when a workpiece is pressed; the piston rod of the clamping cylinder 17 retracts, the piston rod of the floating cylinder 11 extends, the movable workbench 12 is jacked up, the roller is lifted to the upper side of the workbench 10, and the movable workbench 12 can move back and forth on the workbench 10 and the track 16.
Referring to fig. 3, the piston rod of the moving cylinder 13 of the present invention has an extension, a sleeve 1302 is sleeved on the extension, the sleeve 1302 penetrates through a hole on the support 15, the diameter of the hole on the support 15 is larger than that of the sleeve 1302, the sleeve 1302 can move up and down and the moving distance is larger than the floating distance of the moving table 12; the extended sections of the piston rods on the two sides of the sleeve 1302 are respectively provided with a nut 1301, the two nuts 1301 ensure that the piston rod cannot be separated from the support 15 when the moving cylinder 13 moves, and wear-resistant materials are embedded on the surfaces, in contact with the sleeve 1302, of the nuts 1301; the oil port of the moving cylinder 13 is positioned on the end surface of the piston rod and is communicated with the two action cavities of the moving cylinder 13 through a hole in the piston rod; the anti-rotation block 1303 is fixedly mounted on the support 15, the anti-rotation rod 1304 is fixedly mounted on the piston rod of the moving cylinder 13, and the anti-rotation rod 1304 penetrates through the hole of the anti-rotation block 1303 to prevent the piston rod of the moving cylinder 13 from rotating during movement.
Referring to fig. 1 to 3, in the implementation of the present patent, a movable worktable 12 is driven by a movable cylinder 13 to sequentially move a mold into a hydraulic press body to complete installation, the mold is divided into an upper mold, a female mold and a lower mold, the upper mold is installed on the lower plane of a slide block 5, the female mold is installed on the upper plane of a floating frame 8, and the lower mold is installed on the upper plane of the movable worktable 12. The pressing process can be divided into multiple prepressing and one compacting. The prepressing process comprises the following steps: the movable workbench 12 falls down and is clamped, the female die and the lower die form a cavity with a certain height (powder filling height) after the floating frame 8 is lifted by the floating cylinder 9, the special powder filling device adds graphite powder into the cavity, the sliding block 5 presses the upper die into the cavity for a certain distance under the driving of the main cylinder 4 after powder filling is finished and then stops, and then the sliding block 5 lifts the upper die out of the cavity under the driving of the return cylinder 7. The prepressing process needs to be repeated for many times according to the technological requirements, and the powder filling height and the pressing-in distance of the upper die during each prepressing can be preset according to the technological requirements; the prepressing pressure is low, and the floating cylinder 9 keeps the height of the floating frame 8 unchanged during prepressing. The compaction process is as follows: after the pre-pressing is finished, the upper die is continuously pressed into the cavity by the sliding block 5 under the driving of the main cylinder 4 until the pressing pressure reaches the maximum pressure required by the process, and the maximum pressure is kept for a period of time. The floating cylinder 9 does not keep the height of the floating frame 8 any more in the compaction process, and the floating frame 8 moves downwards passively under the friction force between the graphite and the female die. After pressing is finished, the upper die is lifted out of the containing cavity to a certain height by the slide block 5 under the drive of the return cylinder 7, the floating frame 8 is lifted to a certain height by the floating cylinder 9 and is kept unchanged, the graphite product cannot be separated from the female die by self weight under the action of friction force, the upper die is pressed into the female die again by the slide block 5 under the drive of the main cylinder 4 so that the graphite product is pushed out of the female die, the graphite product is placed in the lower die after being pushed out, the lower die and the graphite product are moved out of the body of the hydraulic press together by the movable workbench 12 lifting and loosening, and the graphite product can be taken out by the auxiliary device.
Claims (3)
1. A large-scale graphite powder forming hydraulic machine is characterized in that: mainly comprises a pull rod (1), a lock nut (2), an upper cross beam (3), a main cylinder (4), a sliding block (5), an upright post (6), a return cylinder (7), a floating frame (8), a floating cylinder (9), a workbench (10), a floating cylinder (11), a movable workbench (12), a movable cylinder (13), a guide rail (14), a support (15), a track (16) and a clamping cylinder (17); the four pull rods (1) penetrate through the upper cross beam (3), the left and right upright posts (6) and the workbench (10), the upper cross beam (3), the upright posts (6) and the workbench (10) are fixed into a closed frame through locking nuts (2) fixed at two ends of each pull rod (1) through threads, and pretightening force is applied to the pull rods (1) before the locking nuts (2) are fixed, so that the closed frame cannot be separated when a pressing workpiece is stressed; the cylinder body of the main cylinder (4) is fixedly arranged in the upper cross beam (3) through steps and lock nut through holes, the piston rod of the main cylinder (4) is fixedly arranged on the upper plane of the sliding block (5), and the upper cross beam (3) expands forwards and backwards along with the size of the cylinder body of the main cylinder (4); the cylinder body of the return cylinder (7) is fixedly arranged on the upper plane of a transverse connecting beam in the middle of the upright post (4), the piston rod of the return cylinder (7) is fixedly arranged on the lower plane of the sliding block (5), and the guide rail (14) is fixedly arranged on one side of the upright post (6) close to the inner hole of the closed frame; the sliding block (5) is arranged in an inner hole of the closed frame and moves up and down under the driving of the main cylinder (4) and the return cylinder (7), and the guide rail (14) has a guiding function on the movement of the sliding block (5); the cylinder body of the floating cylinder (9) is fixedly arranged in the workbench (10) through steps and a lock nut through hole, and the piston rod of the floating cylinder (9) is fixedly arranged on the lower plane of the floating frame (8); the floating frame (8) is arranged in an inner hole of the closed frame and moves up and down under the driving of the floating cylinder (9), and the guide rail (14) has a guiding function on the movement of the floating frame (8).
2. A large graphite powder forming hydraulic machine according to claim 1, characterized in that: the movable workbench (12) is arranged on the upper side of the workbench (10) and the lower side of the floating frame (8); the bracket (15) is fixedly arranged at the rear side of the workbench (10); the rail (16) is fixedly arranged on the front side of the workbench (10); the cylinder body of the movable cylinder (13) is fixedly arranged in the middle of the movable workbench (12) through a step and a lock nut horizontal through hole; four rollers are symmetrically arranged on two sides of the movable workbench (12), the movable workbench (12) moves back and forth on the workbench (10) and the track (16) under the driving of the movable cylinder (13), and the track (16) has a guiding effect on the movement of the movable workbench (12); the cylinder body of the floating cylinder (11) is vertically and fixedly arranged in the workbench (10), and when the movable workbench (12) moves in place, the piston rod of the floating cylinder (11) just aligns with the roller of the movable workbench (12); the clamping cylinder (17) is arranged in the middle of the upright post (4), and the cylinder body of the clamping cylinder (17) is fixedly arranged on the upper surface of the workbench (10); a piston rod of the floating cylinder (11) retracts, the movable workbench (12) descends by means of self weight and finally is attached to the workbench (10), meanwhile, a positioning pin positioned on the upper plane of the workbench (10) is inserted into a positioning ring on the lower plane of the movable workbench (12), the roller is sunk into the workbench (10), and a piston rod of the clamping cylinder (17) extends out and pushes a lever so as to apply downward clamping force to the movable workbench (12) and further prevent the movable workbench (12) from displacing when a workpiece is pressed; the piston rod of the clamping cylinder (17) retracts, the piston rod of the floating cylinder (11) extends out, the movable workbench (12) is jacked up, the roller rises to the upper side of the workbench (10), and the movable workbench (12) can move back and forth on the workbench (10) and the track (16).
3. A large graphite powder forming hydraulic machine according to claim 1 or 2, characterized in that: the piston rod of the moving cylinder (13) is provided with an extension section, a sleeve (1302) is sleeved on the extension section, the sleeve (1302) penetrates through a hole in the support (15), the diameter of the hole in the support (15) is larger than that of the sleeve (1302), the sleeve (1302) can move up and down, and the moving distance is larger than the floating distance of the moving workbench (12); the extended sections of the piston rods on the two sides of the sleeve (1302) are respectively provided with a nut (1301), the two nuts (1301) ensure that the piston rod cannot be separated from the support (15) when the moving cylinder (13) moves, and wear-resistant materials are embedded on the surfaces, in contact with the sleeve (1302), of the nuts (1301); an oil port of the movable cylinder (13) is positioned on the end surface of the piston rod and is communicated with the two action cavities of the movable cylinder (13) through a hole in the piston rod; the anti-rotation block (1303) is fixedly arranged on the support (15), the anti-rotation rod (1304) is fixedly arranged on a piston rod of the moving cylinder (13), and the anti-rotation rod (1304) penetrates into a hole of the anti-rotation block (1303) to prevent the piston rod of the moving cylinder (13) from rotating during movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110498288.XA CN113085248B (en) | 2021-05-08 | 2021-05-08 | Large-scale graphite powder forming hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110498288.XA CN113085248B (en) | 2021-05-08 | 2021-05-08 | Large-scale graphite powder forming hydraulic press |
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| Publication Number | Publication Date |
|---|---|
| CN113085248A true CN113085248A (en) | 2021-07-09 |
| CN113085248B CN113085248B (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110498288.XA Active CN113085248B (en) | 2021-05-08 | 2021-05-08 | Large-scale graphite powder forming hydraulic press |
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| CN (1) | CN113085248B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115488186A (en) * | 2022-10-08 | 2022-12-20 | 南通锻压设备如皋有限公司 | Large-scale steel plate shape righting hydraulic press |
| CN115771295A (en) * | 2022-11-24 | 2023-03-10 | 南通锻压设备如皋有限公司 | Column inside clearance hydraulic machine for carbon fiber composite material forming |
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| CN2635353Y (en) * | 2003-08-07 | 2004-08-25 | 天津市天锻压力机有限公司 | Power hydraulic press having floating device |
| CN102909877A (en) * | 2012-11-07 | 2013-02-06 | 南通锻压设备股份有限公司 | Multifunctional hydraulic press |
| CN105881957A (en) * | 2014-08-28 | 2016-08-24 | 南通中液液压机有限公司 | Automatic multistep powder product moulding hydraulic machine |
| CN110370706A (en) * | 2019-06-03 | 2019-10-25 | 河南济源兄弟材料有限责任公司 | Full-automatic bidirectional press machine |
| CN111959021A (en) * | 2020-08-17 | 2020-11-20 | 南通中液液压机有限公司 | Multi-station salt core product full-automatic dry powder hydraulic press |
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2021
- 2021-05-08 CN CN202110498288.XA patent/CN113085248B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2635353Y (en) * | 2003-08-07 | 2004-08-25 | 天津市天锻压力机有限公司 | Power hydraulic press having floating device |
| CN102909877A (en) * | 2012-11-07 | 2013-02-06 | 南通锻压设备股份有限公司 | Multifunctional hydraulic press |
| CN105881957A (en) * | 2014-08-28 | 2016-08-24 | 南通中液液压机有限公司 | Automatic multistep powder product moulding hydraulic machine |
| CN110370706A (en) * | 2019-06-03 | 2019-10-25 | 河南济源兄弟材料有限责任公司 | Full-automatic bidirectional press machine |
| CN111959021A (en) * | 2020-08-17 | 2020-11-20 | 南通中液液压机有限公司 | Multi-station salt core product full-automatic dry powder hydraulic press |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115488186A (en) * | 2022-10-08 | 2022-12-20 | 南通锻压设备如皋有限公司 | Large-scale steel plate shape righting hydraulic press |
| CN115771295A (en) * | 2022-11-24 | 2023-03-10 | 南通锻压设备如皋有限公司 | Column inside clearance hydraulic machine for carbon fiber composite material forming |
| CN115771295B (en) * | 2022-11-24 | 2024-09-13 | 南通锻压设备如皋有限公司 | Column internal clearance hydraulic press for carbon fiber composite material forming |
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| CN113085248B (en) | 2024-01-12 |
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