阅读说明：本技术 高密度碳素阳极成型装置 (High-density carbon anode forming device ) 是由 邱同昌 王程 傅师杰 田江涛 于 2021-06-30 设计创作，主要内容包括：本发明涉及一种高密度碳素阳极成型装置,包括螺旋压力机,螺旋压力机包括机架、螺杆、螺母、驱动电机、底座和上滑块,上滑块下方设有下滑块,成型装置还包括梭式换模机构,梭式换模机构包括固定安装在底座上的支撑座,支撑座上设有可以左右滑动的梭车,梭车上设有不少于两个可以上下移动的模槽块,模槽块上设有模腔,模腔内设有下模具,每个模槽块两侧与梭车之间设有双面加压装置,支撑座一侧设有连通模腔的抽真空机组。本发明使用螺旋压力机可实现碳素阳极冲压成型,结合抽真空和双面加压可实现密度均匀,成型密度高达1.7g/cm3以上,提高密度,满足需求,梭车带有多模腔可以实现电动螺旋压力机连续工作,生产效率可达20块以上每小时。(The invention relates to a high-density carbon anode forming device which comprises a screw press, wherein the screw press comprises a rack, a screw, a nut, a driving motor, a base and an upper sliding block, a lower sliding block is arranged below the upper sliding block, the forming device also comprises a shuttle type die changing mechanism, the shuttle type die changing mechanism comprises a supporting seat fixedly arranged on the base, a shuttle car capable of sliding left and right is arranged on the supporting seat, at least two die groove blocks capable of moving up and down are arranged on the shuttle car, a die cavity is arranged on each die groove block, a lower die is arranged in the die cavity, a double-sided pressurizing device is arranged between the two sides of each die groove block and the shuttle car, and a vacuumizing unit communicated with the die cavity is arranged on one side of the supporting seat. The invention can realize the punch forming of the carbon anode by using the screw press, can realize uniform density by combining vacuumizing and double-side pressurizing, the forming density is up to more than 1.7g/cm3, the density is improved, the requirement is met, the shuttle car is provided with a multi-die cavity, the continuous work of the electric screw press can be realized, and the production efficiency can reach more than 20 pieces per hour.)

1. The utility model provides a high density carbon anode forming device, includes screw press (1), screw press (1) include frame (111), screw rod (108), nut (102), driving motor (101), base (109) and install slider-on (107) on frame (111) slide rail, its characterized in that: be equipped with down block (106) on the slide rail of upper ledge (107) below, mould (105) are installed to down block (106) bottom, and down block (106) are connected with lift cylinder (118), and lift cylinder (118) are installed in frame (111), forming device still includes shuttle retooling mechanism (2), and shuttle retooling mechanism (2) are equipped with shuttle car (203) that can the horizontal slip including fixed mounting supporting seat (201) on base (109) on supporting seat (201), and be equipped with on shuttle car (203) and be no less than two die slot pieces (204) that can reciprocate, are equipped with die cavity (205) on die slot piece (204), are equipped with bed die (206) in die cavity (205), are equipped with two-sided pressure device between every die slot piece (204) both sides and shuttle car (203), and supporting seat (201) one side is equipped with evacuation unit (3) of intercommunication die cavity (205).

2. The high-density carbon anode forming apparatus as claimed in claim 1, wherein: the outer side of the lower sliding block (106) is sleeved with a gland plate (104), the top of the outer side of the gland plate (104) is fixed with a lower oil cylinder (103), and the upper part of the lower oil cylinder (103) is fixed on the lower sliding block (106).

3. The high-density carbon anode forming apparatus as claimed in claim 2, wherein: be equipped with between the hole of gland board (104) and lower slider (106) guidance tape (114), the outside of guidance tape (114) is equipped with sealing washer (113), the outside of sealing washer (113) is equipped with dust ring (112), the bottom of lower cover board is equipped with mould upper seal (115), the top outside of base (109) is equipped with mould lower seal (116), be equipped with on the lateral wall of base (109) and communicate vacuum hole (117) of recess in the middle of base (109) top, vacuum unit (3) are connected in vacuum hole (117).

4. The high-density carbon anode forming apparatus according to any one of claims 1 to 3, wherein: the two ends of the shuttle car (203) are provided with idler wheels (208), the top of the supporting plate (207) is provided with a guide rail (202) for the idler wheels (208) to roll left and right, and the supporting plate (207) is provided with a driving device for driving the shuttle car (203) to move left and right.

5. The high-density carbon anode forming apparatus as claimed in claim 4, wherein: the double-sided pressurizing device comprises a supporting plate (207) fixed at the bottom of a die groove block (204), a pull rod (210) is fixed on the outer side of the supporting plate (207), a spring (211) is sleeved at the upper end of the pull rod (210), the bottom of the spring (211) is supported in a supporting groove in a shuttle car (203), a locking nut (209) pressing the spring (211) is arranged at the top of the spring, and a supporting concave table supporting a lower die (206) is arranged in the middle of the supporting plate (207).

6. The high-density carbon anode forming apparatus as claimed in claim 1, wherein: the upper end of the screw rod (108) is fixed with a flywheel, and the driving motor (101) is connected with the flywheel through a gear or a belt.

7. The high-density carbon anode forming apparatus as claimed in claim 1, wherein: the aperture of the mold cavity (205) is gradually reduced from top to bottom.

8. The high-density carbon anode forming apparatus as claimed in claim 1, wherein: the outer sides of the supporting seats (201) on the left side and the right side of the screw press (1) are respectively provided with a shuttle car positioning oil cylinder (212), the extending end of the shuttle car positioning oil cylinder (212) is fixed with a positioning inserted rod (213), and the shuttle car (203) is provided with a positioning insertion hole matched with the positioning inserted rod (213).

9. The high-density carbon anode forming apparatus as claimed in claim 8, wherein: a backing plate is arranged between the locking nut (209) and the top of the spring (211).

10. The high-density carbon anode forming apparatus as claimed in claim 6, wherein: the frame (111) is provided with a brake (110) for braking the flywheel.

Technical Field

The invention belongs to the technical field of carbon anode forming for aluminum oxide smelting, and particularly relates to a high-density carbon anode forming device.

Background

At present, vibration molding and hydraulic press pressing molding are commonly adopted in carbon anode molding equipment for aluminum oxide smelting, high-frequency vibration is utilized for molding a carbon anode in the vibration molding, segregation is easily caused due to vibration, the density of the molded carbon anode is 1.5-1.6 g/cm3, the production efficiency is low at 8-10 blocks per hour, the hydraulic press pressing molding belongs to static pressure molding, the density of the molded carbon anode is 1.5-1.6 g/cm3, the production efficiency is low at 6-9 blocks per hour, the densities of the anodes of the two molding devices are lower, the production efficiency is also lower, and the production and use requirements of carbon cannot be met.

Disclosure of Invention

The invention aims to provide a high-density carbon anode forming device, which solves the problems that carbon anodes produced by the forming device are low in density and production efficiency and cannot meet production and use requirements.

The invention relates to a high-density carbon anode forming device which comprises a screw press, wherein the screw press comprises a rack, a screw, a nut, a driving motor, a base, an upper slide block arranged on a slide rail of the rack, a lower slide block arranged on the slide rail below the upper slide block, an upper die arranged at the bottom of the lower slide block, a lifting oil cylinder connected with the lower slide block, and a shuttle-type die changing mechanism, wherein the lifting oil cylinder is arranged in the rack, the shuttle-type die changing mechanism comprises a support seat fixedly arranged on the base, a shuttle car capable of sliding left and right is arranged on the support seat, at least two die slot blocks capable of moving up and down are arranged on the shuttle car, a die cavity is arranged on each die slot block, a lower die is arranged in the die cavity, a double-sided pressurizing device is arranged between the two sides of each die slot block and the shuttle car, and a vacuumizing unit communicated with the die cavity is arranged on one side of the support seat.

The screw press adopts a double-slider structure, the upper slider is responsible for striking and forming, and the lower slider is responsible for forming the carbon bowl spiral structure. The shuttle car driving device drives the shuttle car to reciprocate in a shuttle-type motion, when one die cavity is pressed and formed in the press, the other die cavity finishes the demolding and the material distribution of the carbon anode outside the press, after the pressing of the one die cavity is finished, the other die cavity which finishes the material distribution enters the press, the reciprocating circulation is realized, the continuous production of the carbon anode forming can be realized by matching with the screw press, the efficiency is doubled compared with that of a single-cavity die, the density of the carbon anode can be improved to more than 1.7g/cm3 by a punch forming and vacuumizing unit, the layer cracking is reduced, and the double-sided pressurizing device can ensure that the density of the upper surface and the lower surface of the carbon anode is uniform.

Preferably, the outer side of the lower sliding block is sleeved with a gland plate, the top of the outer side of the gland plate is fixed with a lower oil cylinder, and the upper part of the lower oil cylinder is fixed on the lower sliding block.

Preferably, a guide belt is arranged between the inner hole of the pressing cover plate and the lower sliding block, a sealing ring is arranged on the outer side of the guide belt, a dustproof ring is arranged on the outer side of the sealing ring, an upper mold seal is arranged at the bottom of the lower cover plate, a lower mold seal is arranged on the outer side of the top of the base, a vacuumizing hole communicated with a middle groove in the top of the base is formed in the side wall of the base, and the vacuumizing hole is connected with a vacuumizing unit. A pressing cover plate driven by a lower pressing oil cylinder to move up and down is additionally arranged on the lower sliding block, and the upper sealing of a die on the pressing cover plate and the lower sealing of the die on the base are matched, so that the upper surface and the lower surface of the die cavity can be sealed through the up-and-down movement. The sealed die cavity is vacuumized through the vacuumizing unit, so that the vacuumizing effect is better. The vacuumizing unit comprises a vacuum pump, a buffer tank, a filter and a pipeline.

Preferably, the two ends of the shuttle car are provided with idler wheels, the top of the supporting plate is provided with a guide rail for the idler wheels to roll left and right, and the supporting plate is provided with a driving device for driving the shuttle car to move left and right. The driving device can use a driving motor to drive the screw-nut pair to move so as to drive the shuttle car to move, the nut is fixed on the shuttle car, the driving motor is fixed on the supporting seat, the driving device can also use a telescopic oil cylinder, the telescopic oil cylinder is hinged on the supporting seat, the piston rod end of the telescopic oil cylinder is hinged on the shuttle car, the driving device can also use the driving motor to drive the gear to rotate, the driving motor is fixed on the shuttle car, and the guide rail is provided with a rack. The shuttle car can be conveniently driven to reciprocate left and right. The drive can also be a rigid chain drive.

Preferably, the double-side pressurizing device comprises a supporting plate fixed at the bottom of the die groove block, a pull rod is fixed on the outer side of the supporting plate, a spring is sleeved at the upper end of the pull rod, the bottom of the spring is supported in a supporting groove in the shuttle car, a locking nut pressing the spring is arranged at the top of the spring, and a supporting concave table supporting the lower die is arranged in the middle of the supporting plate. When the screw press works, pressure is transmitted to materials in the die through the upper die, the materials are compressed and moved, the materials and die friction resistance in movement drive the die to move downwards to stretch and store energy for the spring, and when a press sliding block returns, the energy stored by the spring is released to enable the lower die to move reversely. The lower plane generates upper pressure to realize double-sided pressurization.

Preferably, the upper end of the screw rod is fixed with a flywheel, and the driving motor is connected with the flywheel through a gear or a belt. The driving motor can also directly drive the flywheel.

Preferably, the aperture of the mold cavity decreases from top to bottom.

Preferably, the outer sides of the supporting seats on the left side and the right side of the screw press are respectively provided with a shuttle car positioning oil cylinder, the extending end of the shuttle car positioning oil cylinder is fixed with a positioning inserted rod, and the shuttle car is provided with a positioning insertion hole matched with the positioning inserted rod. The shuttle car can be conveniently positioned and locked.

Preferably, a backing plate is arranged between the lock nut and the top of the spring. Preventing the lock nut from entering the middle of the spring.

The frame is provided with a brake for braking the flywheel.

Compared with the prior art, the invention has the advantages that:

the carbon anode punch forming can be realized by using the screw press, the uniform density can be realized by combining the vacuum pumping and the double-side pressurization, the forming density is up to more than 1.7g/cm3, the density is improved, the requirement is met, the shuttle car is provided with the multi-die cavity, the continuous work of the electric screw press can be realized, the production efficiency can reach more than 20 pieces per hour, and the production efficiency is greatly improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic structural view of a screw press of the present invention;

FIG. 4 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 3 at B according to the present invention;

FIG. 6 is a schematic front view of the shuttle car of the present invention;

FIG. 7 is a schematic top view of the shuttle car of the present invention;

in the figure: 1. the device comprises a screw press, 101, a driving motor, 102, nuts, 103, a lower pressing oil cylinder, 104, a cover pressing plate, 105, an upper die, 106 and a lower sliding block; 107. an upper slide block 108, a screw rod 109 and a base; 110. a brake 111, a frame 112 and a dustproof ring; 113. sealing rings, 114, guide belts, 115, an upper mold seal, 116, a lower mold seal, 117, vacuumizing holes, 118, a lifting cylinder, 2, a shuttle type mold changing mechanism, 201, a support seat, 202, a guide rail, 203, a shuttle car, 204, a mold groove block, 205, a mold cavity, 206, a lower mold, 207, a support plate, 208, a roller, 209, a lock nut, 210, a pull rod, 211, a spring, 212, a shuttle car positioning cylinder, 213, a positioning inserted rod, 3 and a vacuumizing unit.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Embodiment 1, as shown in fig. 1 to 7, the invention is a high-density carbon anode forming device, including a screw press 1, where the screw press 1 includes a frame 111, a screw 108, a nut 102, a driving motor 101, a base 109, and an upper slide 107 mounted on a slide rail of the frame 111, a lower slide 106 is disposed on the slide rail below the upper slide 107, an upper mold 105 is mounted at the bottom of the lower slide 106, the lower slide 106 is connected with a lift cylinder 118, the lift cylinder 118 is mounted in the frame 111, the forming device further includes a shuttle mold changing mechanism 2, the shuttle mold changing mechanism 2 includes a support base 201 fixedly mounted on the base 109, a shuttle 203 capable of sliding left and right is disposed on the support base 201, at least two mold cavity blocks 204 capable of moving up and down are disposed on the shuttle 203, a mold cavity 205 is disposed on the mold cavity block 204, a lower mold 206 is disposed in the mold cavity 205, a double-sided pressurizing device is disposed between two sides of each mold cavity block 204 and the shuttle 203, one side of the supporting seat 201 is provided with a vacuumizing unit 3 communicated with the mold cavity 205.

The outer side of the lower sliding block 106 is sleeved with a gland plate 104, the outer top of the gland plate 104 is fixed with a lower oil cylinder 103, and the upper part of the lower oil cylinder 103 is fixed on the lower sliding block 106.

A guide belt 114 is arranged between the inner hole of the gland plate 104 and the lower slider 106, a sealing ring 113 is arranged on the outer side of the guide belt 114, a dustproof ring 112 is arranged on the outer side of the sealing ring 113, an upper mold seal 115 is arranged at the bottom of the lower cover plate, a lower mold seal 116 is arranged on the outer side of the top of the base 109, a vacuumizing hole 117 communicated with a middle groove in the top of the base 109 is arranged on the side wall of the base 109, and the vacuumizing hole 117 is connected with the vacuumizing unit 3.

The two ends of the shuttle 203 are provided with rollers 208, the top of the supporting plate 207 is provided with a guide rail 202 for the rollers 208 to roll left and right, and the supporting plate 207 is provided with a driving device for driving the shuttle 203 to move left and right.

The double-sided pressurizing device comprises a supporting plate 207 fixed at the bottom of the die groove block 204, a pull rod 210 is fixed on the outer side of the supporting plate 207, a spring 211 is sleeved at the upper end of the pull rod 210, the bottom of the spring 211 is supported in a supporting groove on the shuttle 203, a lock nut 209 for pressing the spring 211 is arranged at the top of the spring 211, and a supporting concave table for supporting the lower die 206 is arranged in the middle of the supporting plate 207.

The upper end of the screw 108 is fixed with a flywheel, and the driving motor 101 is connected with the flywheel through a gear or a belt.

The outer sides of the supporting seats 201 on the left side and the right side of the screw press 1 are respectively provided with a shuttle car positioning oil cylinder 212, the extending end of the shuttle car positioning oil cylinder 212 is fixed with a positioning inserted rod 213, and the shuttle car 203 is provided with a positioning insertion hole matched with the positioning inserted rod 213.

Shuttle motion and two-sided pressurization and evacuation and the cooperation of electric press can improve equipment utilization ratio, and the press is in continuous operation, can raise the efficiency one time, and material loading and play brick go on outside the fuselage, and the space is big, the mechanical automation of being convenient for operation, and original equipment is the natural exhaust, and the forming process need be many times with the ejecting mould of fragment of brick exhaust naturally, and the exhaust effect is poor, and the narrow and small material loading speed in fuselage space is slow, and the press is in the wait state when material loading and play brick, and the press utilization ratio is low. The vacuumizing effectively solves the problem that the sealed air chamber is formed inside the brick in the pressing process and the brick cracks in the subsequent heating process. The problem that the upper part of the brick is compact and the lower part of the brick is loose can be solved by double-sided pressurization. The uniform density of the brick is ensured. The density of the brick can be further improved by adopting double-sided pressurization and vacuum pumping, and the density of the carbon anode can be improved to more than 1.7g/cm3 from 1.6g/cm 3. The lamination crack is reduced, the qualification rate of finished products is improved, and the efficiency is doubled by shuttle motion.

When the device works, the driving motor 101 rotates to drive the flywheel to rotate, then the screw 108 rotates to drive the upper slide block 107 to move upwards through the nut 102, then the lifting oil cylinder 118 contracts to lift the lower slide block 106, a material is arranged in one of the mold cavities 205, the shuttle car positioning oil cylinder 212 contracts, the positioning inserted rod 213 retracts, the driving device drives the shuttle car 203 to move, so that the mold cavity 205 in which the material is distributed by the shuttle car 203 moves to the lower part of the screw press 1, at the moment, the shuttle car positioning oil cylinder 212 extends out, the positioning inserted rod 213 is inserted into the positioning inserted hole to complete positioning, then the lifting oil cylinder 118 extends out, the lower slide block 106 takes the upper mold 105 down, the lifting oil cylinder 118 discharges oil without being stressed after falling down, then the pressing oil cylinder 103 descends to drive the pressing cover 104 to move downwards to press and seal the top of the mold cavity 204, the top of the mold cavity 205 is sealed, then the vacuumizing unit 3 is started to vacuumize the mold cavity 205, then the driving motor 101 rotates to drive the flywheel to rotate, then the screw 108 rotates, the upper slide block 107 is driven by the nut 102 to move downwards and impact on the lower slide block 106 to press the lower slide block 106, the upper die 105 performs compression molding on the material, the pressure is transmitted to the material in the die cavity 205 through the upper die 105, the material is compressed and moved, the moving material and the frictional resistance of the die cavity 205 drive the moving die slot block 204 to move downwards to stretch and store energy in the spring 211, when the upper slide block of the press machine returns, the energy stored in the spring 211 is released, the lower die 206 moves reversely, the lower plane generates upper pressure to realize double-sided pressurization, when the press machine performs compression molding, the material can be distributed in the other die cavity 205, the efficiency is improved, after the compression molding of one die cavity 205 is completed, the lower pressing oil cylinder 103 contracts, the pressing cover plate 104 ascends, the driving motor 101 rotates, the upper slide block 107 ascends, the lifting oil cylinder 118 contracts, and the shuttle positioning oil cylinder 212 contracts, the driving device drives the shuttle car 203 to move, the other die cavity 205 moves to the die pressing position to perform the die pressing action, the die cavity 205 which is just subjected to die pressing can be subjected to die stripping, and then the material distribution work is performed after the die stripping is finished to wait for the next die pressing, so that the screw press 1 does not need to stop working, and the efficiency is improved.

Example 2, in addition to example 1, the aperture of the cavity 205 was gradually reduced from the top down.

A backing plate is provided between the lock nut 209 and the top of the spring 211.

The frame 111 is provided with a brake 110 for braking the flywheel.

The invention can realize the punch forming of the carbon anode by using the screw press, can realize uniform density by combining vacuumizing and double-side pressurizing, improves the density to more than 1.7g/cm3, meets the requirement, can realize the continuous work of the electric screw press by the shuttle car with a plurality of die cavities, has the production efficiency of more than 20 pieces per hour and greatly improves the production efficiency.

Of course, the forming device of the invention is not limited to be applied to the field of carbon anode forming for alumina smelting, and can also be applied to the field of refractory material forming.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are for convenience only to describe the present invention without requiring the present invention to be necessarily constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.