CN112721286A - Quasi-constant pressure pressurizing system of vibration forming machine - Google Patents
Quasi-constant pressure pressurizing system of vibration forming machine Download PDFInfo
- Publication number
- CN112721286A CN112721286A CN202011582352.4A CN202011582352A CN112721286A CN 112721286 A CN112721286 A CN 112721286A CN 202011582352 A CN202011582352 A CN 202011582352A CN 112721286 A CN112721286 A CN 112721286A
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- Prior art keywords
- fixed
- quasi
- cross beam
- heavy hammer
- constant pressure
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Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 33
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 15
- 229910052799 carbon Inorganic materials 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 11
- 238000000748 compression moulding Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- 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
- B30B11/027—Particular press methods or systems
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
- B30B15/166—Electrical control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
- B30B15/22—Control arrangements for fluid-driven presses controlling the degree of pressure applied by the ram during the pressing stroke
Abstract
The invention discloses a quasi-constant pressure pressurization system of a vibration forming machine, which comprises a bottom beam, a cross beam, a double-speed hydraulic system and four guide pillars, wherein the four guide pillars are arranged on the bottom beam, a heavy hammer is connected to the four guide pillars in a sliding manner, the lower end of the cross beam is connected with a damper, a displacement sensor is arranged on the heavy hammer, and the damper and the displacement sensor are correspondingly arranged. The invention sets the pressurizing force by setting the values of the pressurizing starting displacement L1 and the pressurizing stopping displacement L2, thereby matching with the vibration exciting force, improving the technical parameters of carbon block density and the like and achieving the purpose of rapid molding. The pressurizing process adopts a low-speed mild pressurizing and high-fitting carbon block molding process. The initial low-speed lifting is adopted, so that the carbon block slowly releases the elastic after-effect after compression molding, the cracks of the carbon block are reduced, and the quality of the carbon block is improved.
Description
Technical Field
The invention relates to the technical field of carbon block production in the carbon industry, in particular to a quasi-constant pressure pressurization system of a vibration forming machine.
Background
In recent years, with the development of science and technology and the progress of times, the electrolytic aluminum technology has been developed greatly, and the requirements on technical parameters such as density, folding resistance and the like of a prebaked anode used as a consumable part for producing electrolytic aluminum are higher and higher. The production of prebaked anodes faces the problem of industrial upgrading, and the effectiveness and performance of a vibration forming machine matched with the prebaked anodes are also to be improved.
The vibration forming machine is matched with the vibration table to complete the vibration process by a heavy hammer in the working process, the vibration forming machine mostly only adopts the heavy hammer form at home and abroad at present, different exciting forces are required to be adjusted according to different raw materials and formulas in the production process, at the moment, the heavy hammer force cannot be changed to adapt to the exciting force, the production efficiency is low, the indexes of key technology indexes of products are dense, the indexes of bending resistance, resistance and the like are poor, particularly, the quality of the raw materials such as upstream petroleum coke and the like gradually decreases in recent years, the quality requirement of an electrolytic aluminum manufacturer on a prebaked anode is gradually improved, and the existing single heavy hammer form cannot meet the production of the prebaked.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a quasi-constant pressure system of a vibration molding machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a quasi-constant pressure pressurization system of a vibration forming machine comprises a bottom beam, a cross beam, a double-speed hydraulic system and four guide pillars, wherein the four guide pillars are arranged on the bottom beam, a heavy hammer is connected to the four guide pillars in a sliding mode, the lower end of the cross beam is connected with a damper, a displacement sensor is mounted on the heavy hammer, and the damper and the displacement sensor are arranged correspondingly;
the double-speed hydraulic system comprises a first electromagnetic valve, a second electromagnetic valve and a hydraulic cylinder, wherein an oil inlet pipe is connected to the hydraulic cylinder, one end of the oil inlet pipe is connected with two oil conveying pipes, and the first electromagnetic valve and the second electromagnetic valve are respectively arranged on the two oil conveying pipes.
Preferably, the heavy hammer is provided with two grooves, the upper ends of the two grooves are provided with jacks, the beam is connected with two U-shaped connecting seats fixed through two second locking bolts, the two U-shaped connecting seats are connected with pull rods, the lower ends of the pull rods penetrate through the jacks and extend into the grooves, and the lower ends of the pull rods are fixed with limit blocks for limiting.
Preferably, four screw rods are fixed on the heavy hammer, a spring is sleeved on each screw rod, two mounting seats are fixed on two sides of the beam, a sleeve is fixed at the lower end of each mounting seat, one end of each screw rod penetrates through the sleeve and the mounting seat and extends to the upper end of the corresponding mounting seat, and a nut is screwed on each screw rod.
Preferably, the bases are fixed to two sides of the upper end of the heavy hammer, the two safety pull rods are fixed to the upper end of the base, sliding grooves are formed in the two safety pull rods, the safety shaft pins penetrate through the cross beam, two ends of each safety shaft pin extend into the corresponding two sliding grooves respectively, first locking bolts penetrate through two sides of the cross beam, one end of each first locking bolt abuts against one side of each safety shaft pin, and two reinforcing ribs are fixed to the upper end of the base.
Preferably, the upper ends of the four guide pillars are jointly fixed with a top beam, the upper end of the top beam is fixed with two connecting seats, the two connecting seats are all rotatably connected with adjusting shafts, a connecting frame is jointly fixed between the two adjusting shafts, the connecting frame is connected with a hydraulic cylinder through a hinge shaft, and the tail end of a piston rod of the hydraulic cylinder penetrates through the top beam and is fixed on a cross beam.
Compared with the prior art, the invention has the beneficial effects that: the pressurizing force is set by setting the pressurizing starting displacement L1 and the pressurizing stopping displacement L2, so that technical parameters such as carbon block density are improved by matching with vibration exciting force, and the purpose of rapid molding is achieved. The pressurizing process adopts a low-speed mild pressurizing and high-fitting carbon block molding process. The initial low-speed lifting is adopted, so that the carbon block slowly releases the elastic after-effect after compression molding, the cracks of the carbon block are reduced, and the quality of the carbon block is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the invention at A;
FIG. 3 is a schematic structural view of a beam of the present invention;
FIG. 4 is a schematic view of the construction of the header of the present invention;
FIG. 5 is a side view of a beam of the present invention;
FIG. 6 is a schematic diagram of the structure of the weight of the present invention;
FIG. 7 is a schematic diagram of a two-speed hydraulic control system of the present invention.
In the figure: the device comprises a bottom beam 1, a heavy hammer 2, a pull rod 3, a limiting block 4, a connecting seat 5, a top beam 6, a hydraulic cylinder 7, a connecting frame 8, a guide pillar 9, a first locking bolt 10, a safety shaft pin 11, a safety pull rod 12, a second locking bolt 13, a U-shaped connecting seat 14, a nut 15, a damper 16, a displacement sensor 17, a spring 18, a sleeve 19, a lead screw 20, a jack 21, a hinge shaft 22, an adjusting shaft 23, a cross beam 24, a reinforcing rib 25, a base 26, a first electromagnetic valve 27 and a second electromagnetic valve 28.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-7, a quasi-constant pressure pressurization system of a vibration forming machine comprises a bottom beam 1, a cross beam 24, a double-speed hydraulic system and four guide pillars 9, wherein the four guide pillars 9 are arranged on the bottom beam 1, a heavy hammer 2 is connected to the four guide pillars 9 in a sliding manner, the heavy hammer 2 slides up and down on the guide pillars 9 to exert pressure in a mold box, the lower end of the cross beam 24 is connected with a damper 16, the damper 16 detects the movement position of the heavy hammer 2, the force application magnitude of a hydraulic cylinder 7 is changed according to the movement position of the heavy hammer 2, a displacement sensor 17 is arranged on the heavy hammer 2, the damper 16 and the displacement sensor 17 are correspondingly arranged, and the displacement sensor 17 detects the position of the damper 16, so that the start and the start of a;
referring to fig. 7, the double-speed hydraulic system includes a first electromagnetic valve 27, a second electromagnetic valve 28 and a hydraulic cylinder 7, the hydraulic cylinder 7 is connected with an oil inlet pipe, one end of the oil inlet pipe is connected with two oil delivery pipes, the first electromagnetic valve 27 and the second electromagnetic valve 28 are respectively installed on the two oil delivery pipes, the first electromagnetic valve 27 and the second electromagnetic valve 28 control the pressure change in the hydraulic cylinder 7, so that the hydraulic cylinder 7 for lifting the heavy hammer 2 is controlled by adopting high-speed and low-speed double-speed control, and the change of the force applied to the heavy hammer 2 is changed by adopting the high-speed and low-speed switching of the two.
The displacement sensor 17 is provided with three displacement points, when the weight descends from the initial position, the descending two electromagnetic valves are controlled to act simultaneously, and the heavy hammer 2 descends at a high speed; when the weight 2 contacts the paste, the spring 18 starts to compress, the displacement sensor 17 on the weight 2 forms a certain displacement L0, namely a first displacement point, the second electromagnetic valve for controlling the first hydraulic cylinder 7 to descend stops working, the first electromagnetic valve continues working, and the weight descends at a low speed to start a pressurizing cycle; when the displacement sensor 17 detects the displacement L2, the second displacement point, the first electromagnetic valve stops working, the pressurization stops, the paste is gradually compressed and molded along with the vibration, the spring 18 is released, the displacement of the displacement sensor 17 is recovered to L1, the third displacement point, the second electromagnetic valve continues working at the moment, the pressurization process is circulated until the height of the carbon block meets the requirement, and the vibration stops at the moment
Referring to fig. 1-7, two grooves are formed in a heavy hammer 2, insertion holes 21 are formed in the upper ends of the two grooves, two U-shaped connecting seats 14 are fixed to a cross beam 24 through two second locking bolts 13, pull rods 3 are connected to the two U-shaped connecting seats 14, the lower ends of the pull rods 3 penetrate through the insertion holes 21 and extend into the grooves, limiting blocks 4 used for limiting are fixed to the lower ends of the pull rods 3, the pull rods 3 control the lifting of the limiting blocks 4, therefore, the lifting of the heavy hammer 2 is controlled, the heavy hammer 2 can be firmly fixed through the design, and the heavy hammer 2 in spring is prevented from falling off.
The screw thread part of the U-shaped connecting seat 14 is drawn out to form a semicircle with a certain width and then locked by the second locking bolt 13, so that the two pull rods 3 on the heavy hammer 2 are prevented from falling off in the vibration process, and accidents are prevented.
Referring to fig. 1-3, four lead screws 20 are fixed on the weight 2, a spring 18 is sleeved on each lead screw 20, two mounting seats are fixed on both sides of a cross beam 24, a sleeve 19 is fixed at the lower end of each mounting seat, one end of each lead screw 20 penetrates through the sleeve 19 and the mounting seat and extends to the upper end of the mounting seat, a nut 15 is screwed on each lead screw 20, and the lead screws 20 and the nuts 15 limit and fix the spring 18.
The sleeve 19 is welded on the cross beam 24, more than half of the length of the spring 18 is embedded in the sleeve 19 and fixed through the screw rod 20 and the nut 15, and the sleeve 19 prevents the spring from swinging in the pressurizing process.
Referring to fig. 1-2, bases 26 are fixed to both sides of the upper end of a heavy hammer 2, two safety pull rods 12 are fixed to the upper end of the bases 26, sliding grooves are formed in the two safety pull rods 12, safety shaft pins 11 are arranged on a cross beam 24 in a penetrating mode, the cross beam 24 controls the up-and-down movement of the safety shaft pins 11, the movement of the bases 26 is controlled, and the two sliding grooves are formed, so that the heavy hammer 2 can move up and down, when falling suddenly, the heavy hammer 2 is limited, the whole equipment is protected, the two ends of the safety shaft pins 11 extend into the corresponding two sliding grooves respectively, first locking bolts 10 are arranged on both sides of the cross beam 24 in a penetrating mode, one ends of the first locking bolts 10 abut against one side of the safety shaft pins 11, two reinforcing ribs 25 are fixed to the upper end of the bases 26, and the reinforcing.
The lower end of the safety pull rod 12 is welded on the heavy hammer 2, the upper end sliding groove part penetrates through the cross beam 24, the safety shaft pin 11 penetrates through the sliding groove, and the first locking bolt 10 fixes the safety shaft pin 11 through the end side of the cross beam 24.
Referring to fig. 1 and 4, the upper end of four guide pillars 9 is fixed with back timber 6 jointly, the upper end of back timber 6 is fixed with two connecting seats 5, two connecting seats 5 all rotate and are connected with regulating spindle 23, be fixed with carriage 8 jointly between two regulating spindles 23, regulating spindle 23 makes things convenient for the rotation of carriage 8, carriage 8 is connected with pneumatic cylinder 7 through hank axle 22, hank axle 22 makes things convenient for the rotation of pneumatic cylinder 7, make pneumatic cylinder 7 rotate and adjust, the piston rod end of pneumatic cylinder 7 runs through back timber 6 and fixes on crossbeam 24.
The pneumatic cylinder passes through hinge 22 and links to each other with connection frame 8, and connection frame 8 passes through regulating shaft 23 and links to each other with connecting seat 5, and both are vertical relation, effectively prevent to appear the harm of unbalance loading to pneumatic cylinder 7 in lifting weight 2 or pressurization process.
In the invention, two electromagnetic valves for controlling the descending simultaneously act to make the weight 2 descend at a high speed, when the weight 2 contacts the paste, the spring 18 starts to compress, the displacement sensor 17 on the weight 2 forms a certain displacement L0, the first electromagnetic valve 27 for controlling the descending stops working, the second electromagnetic valve 28 continues working, and the weight descends at a low speed to start a pressurizing cycle; when the displacement sensor 17 detects the displacement L2, the second electromagnetic valve 28 stops working, the pressurization stops, the paste is gradually compressed and molded along with the vibration, the spring 18 releases, the displacement of the displacement sensor 17 returns to L1, at this time, the second electromagnetic valve 28 continues working, the pressurization process is circulated until the height of the carbon block meets the requirement, at this time, the vibration stops, the second electromagnetic valve 28 controlling the rising of the heavy hammer 2 starts working, the heavy hammer slowly rises, the pressure of the spring 18 releases, after the displacement detected by the pressurization displacement sensor 17 is less than or equal to 0 and accumulated for a certain time, the heavy hammer 2 is judged to have separated from the carbon block, at this time, the heavy hammer 2 is controlled to rise, the first electromagnetic valve 27 participates in the.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a quasi-constant pressure pressurization system of vibration molding machine, includes floorbar (1), crossbeam (24), double speed hydraulic system and four guide pillars (9), its characterized in that: the four guide posts (9) are arranged on the bottom beam (1), the four guide posts (9) are connected with a heavy hammer (2) in a sliding mode, the lower end of the cross beam (24) is connected with a damper (16), a displacement sensor (17) is installed on the heavy hammer (2), and the damper (16) and the displacement sensor (17) are arranged correspondingly;
the double-speed hydraulic system comprises a first electromagnetic valve (27), a second electromagnetic valve (28) and a hydraulic cylinder (7), wherein an oil inlet pipe is connected to the hydraulic cylinder (7), two oil delivery pipes are connected to one end of the oil inlet pipe, and the first electromagnetic valve (27) and the second electromagnetic valve (28) are respectively installed on the two oil delivery pipes.
2. The quasi-constant pressure pressurization system of the vibration forming machine according to claim 1, wherein two grooves are formed on the weight (2), the upper ends of the two grooves are provided with insertion holes (21), two U-shaped connecting seats (14) are fixed on the beam (24) through two second locking bolts (13), a pull rod (3) is connected on each of the two U-shaped connecting seats (14), the lower end of the pull rod (3) penetrates through the insertion holes (21) and extends into the groove, and a limiting block (4) for limiting is fixed on the lower end of the pull rod (3).
3. The quasi-constant pressure pressurization system of the vibration forming machine according to claim 1, characterized in that four lead screws (20) are fixed on the weight (2), a spring (18) is sleeved on each lead screw (20), two mounting seats are fixed on both sides of the cross beam (24), a sleeve (19) is fixed on the lower end of each mounting seat, one end of each lead screw (20) penetrates through the sleeve (19) and the mounting seat and extends to the upper end of the mounting seat, and a nut (15) is screwed on each lead screw (20).
4. The quasi-constant pressure pressurization system of the vibration forming machine according to claim 1, wherein a base (26) is fixed on each of two sides of the upper end of the heavy hammer (2), two safety pull rods (12) are fixed on the upper end of the base (26), sliding grooves are formed on the two safety pull rods (12), a safety shaft pin (11) is arranged on the cross beam (24) in a penetrating manner, two ends of the safety shaft pin (11) respectively extend into the corresponding two sliding grooves, a first locking bolt (10) is arranged on each of two sides of the cross beam (24) in a penetrating manner, one end of the first locking bolt (10) abuts against one side of the safety shaft pin (11), and two reinforcing ribs (25) are fixed on the upper end of the base (26).
5. The quasi-constant pressure pressurization system of the vibration forming machine according to claim 1, characterized in that the upper ends of four guide pillars (9) are jointly fixed with a top beam (6), the upper end of the top beam (6) is fixedly provided with two connecting seats (5), the two connecting seats (5) are both rotatably connected with adjusting shafts (23), a connecting frame (8) is jointly fixed between the two adjusting shafts (23), the connecting frame (8) is connected with a hydraulic cylinder (7) through a hinge shaft, and the tail end of a piston rod of the hydraulic cylinder (7) penetrates through the top beam (6) and is fixed on a cross beam (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011582352.4A CN112721286A (en) | 2020-12-28 | 2020-12-28 | Quasi-constant pressure pressurizing system of vibration forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011582352.4A CN112721286A (en) | 2020-12-28 | 2020-12-28 | Quasi-constant pressure pressurizing system of vibration forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112721286A true CN112721286A (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011582352.4A Pending CN112721286A (en) | 2020-12-28 | 2020-12-28 | Quasi-constant pressure pressurizing system of vibration forming machine |
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| Country | Link |
|---|---|
| CN (1) | CN112721286A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB565259A (en) * | 1943-06-25 | 1944-11-02 | William Paine Muir | Improvements in hydraulic presses |
| CN101712207A (en) * | 2009-09-08 | 2010-05-26 | 广东工业大学 | High performance and energy-saving double-acting hydrostatic press driven by servo motor |
| CN108533542A (en) * | 2018-04-09 | 2018-09-14 | 武汉科技大学 | A kind of deburring machine double-cylinder hydraulic synchronous control system |
| CN110871591A (en) * | 2019-11-26 | 2020-03-10 | 重庆江东机械有限责任公司 | High-speed forming press control system |
| CN111469480A (en) * | 2020-05-25 | 2020-07-31 | 山东华鹏重工有限公司 | Four-column guide vacuumizing and pressurizing vibration forming machine |
| CN111546464A (en) * | 2020-06-16 | 2020-08-18 | 山东华鹏重工有限公司 | Flexible adjustable constant pressure device of vibration forming machine |
-
2020
- 2020-12-28 CN CN202011582352.4A patent/CN112721286A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB565259A (en) * | 1943-06-25 | 1944-11-02 | William Paine Muir | Improvements in hydraulic presses |
| CN101712207A (en) * | 2009-09-08 | 2010-05-26 | 广东工业大学 | High performance and energy-saving double-acting hydrostatic press driven by servo motor |
| CN108533542A (en) * | 2018-04-09 | 2018-09-14 | 武汉科技大学 | A kind of deburring machine double-cylinder hydraulic synchronous control system |
| CN110871591A (en) * | 2019-11-26 | 2020-03-10 | 重庆江东机械有限责任公司 | High-speed forming press control system |
| CN111469480A (en) * | 2020-05-25 | 2020-07-31 | 山东华鹏重工有限公司 | Four-column guide vacuumizing and pressurizing vibration forming machine |
| CN111546464A (en) * | 2020-06-16 | 2020-08-18 | 山东华鹏重工有限公司 | Flexible adjustable constant pressure device of vibration forming machine |
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Application publication date: 20210430 |