CN214300288U

CN214300288U - Aluminum liquid degassing equipment for casting production

Info

Publication number: CN214300288U
Application number: CN202022931731.1U
Authority: CN
Inventors: 王荣堂; 郝建礼; 兰新权; 王清辉
Original assignee: Jinjiang Super Special Casting Co ltd
Current assignee: Jinjiang Super Special Casting Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-09-28
Anticipated expiration: 2030-12-07

Abstract

The application relates to aluminum liquid degassing equipment for casting production, which comprises a guide rail, a lifting platform connected to the guide rail in a sliding manner, a driving device for driving the lifting platform to lift and a rotor device arranged on the lifting platform; the side wall of the guide rail is provided with a plurality of travel switches for closing the driving device; the travel switch is abutted against the side wall of the lifting platform; the travel switches are arranged along the length direction of the guide rail. The method has the effect of improving the degassing efficiency of the aluminum liquid.

Description

Aluminum liquid degassing equipment for casting production

Technical Field

The application relates to the technical field of metallurgical equipment, in particular to aluminum liquid degassing equipment for casting production.

Background

In a casting workshop, the hydrogen content and non-metallic inclusions of molten aluminum can seriously affect the quality of castings. Generally, in the process of condensing molten aluminum liquid, with the reduction of the solubility of hydrogen, hydrogen cannot escape from the solution in time, and non-metallic inclusions cannot float to the liquid surface before entering the crystallization period, so that a series of defects such as white spots and pinholes on the surface of a workpiece, reduction of the mechanical properties of materials and the like are caused in the subsequent casting process, and the quality of products is reduced. Therefore, degassing and purifying treatment of the aluminum liquid is required.

The aluminum liquid degassing equipment in the related art comprises a guide rail, a lifting platform moving on the guide rail and a lifting driving device for driving the lifting platform to move, wherein the lifting platform is provided with a rotor device; the rotor device comprises a rotor extending into molten aluminum and a rotor driving device for driving the rotor to rotate at a high speed.

In view of the above-mentioned related technologies, the inventor believes that when an operator drives the lifting platform by using the driving device, the operator controls the lifting height of the lifting platform by experience of the operator to determine the working position of the rotor extending into the molten aluminum and the position of the rotor completely separating from the molten aluminum, and the experience of each operator is different, and the lifting height of the lifting platform is different, so that the working position of the rotor can be determined after repeated debugging is needed, and the efficiency of degassing the molten aluminum is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of aluminium liquid degassing, the application provides a foundry goods production is with aluminium liquid degassing apparatus.

The application provides a foundry goods production is with aluminium liquid degassing apparatus adopts following technical scheme:

a molten aluminum degassing device for casting production comprises a guide rail, a lifting platform connected to the guide rail in a sliding manner, a driving device for driving the lifting platform to lift and a rotor device arranged on the lifting platform; the side wall of the guide rail is provided with a plurality of travel switches for closing the driving device; the travel switch is abutted against the side wall of the lifting platform; the travel switches are arranged along the length direction of the guide rail.

By adopting the technical scheme, after the travel switch is arranged at the set working position of the lifting platform by an operator, the driving device is started, the driving device drives the lifting platform to lift, after the lifting platform touches the travel switch, the driving device is closed, the lifting height of the lifting platform is fixed, and the rotor device can be started to carry out degassing operation on molten aluminum liquid. On one hand, the travel switches are arranged, the driving device is automatically turned off, the operating height of the lifting platform is not required to be repeatedly determined by operators through experience, the aluminum liquid degassing efficiency is improved, on the other hand, the travel switches are designed in a redundant mode, and after a single travel switch fails, the rest travel switches in the range of the working height of the lifting platform can also play a role.

Optionally, the device further comprises a placing frame for installing the guide rail and a control terminal installed on the side wall of the placing frame; the control terminal is in communication connection with the driving device and the rotor device; the travel switch is in communication connection with the control terminal.

By adopting the technical scheme, after the lifting platform touches the travel switch with the working height, the travel switch sends a closing signal to the control terminal, the control terminal receives the closing signal of the travel switch, the control terminal sends the closing signal to the driving device, and the control terminal sends an opening signal to the rotor device. The communication connection between the control terminal and the travel switch reduces the steps of starting the rotor device by operators and improves the degassing efficiency of the aluminum liquid.

Optionally, a mounting rod parallel to the guide rail is fixed on the side wall of the placing frame; the mounting rod is connected with a plurality of sliding pieces which correspond to the travel switches one by one in a sliding manner; the travel switch is fixed on the side wall of the sliding sheet; the lateral wall of the sliding sheet is provided with a locking piece which is used for fixing the sliding sheet on the lateral wall of the mounting rod.

Through adopting above-mentioned technical scheme, on the one hand, along the length direction slip slide of installation pole, alright change travel switch's position, the operating personnel of being convenient for adjusts the position that travel switch and elevating platform work height are relative, and on the other hand, the operating personnel dismouting travel switch of being convenient for improves the efficiency of travel switch dismouting.

Optionally, a support plate is fixed to the bottom wall of the placing frame; a plurality of rolling wheels are arranged on one side of the support plate, which is far away from the placing rack; and the side wall of the carrier plate is provided with a weight box for increasing the weight of the carrier plate.

Through adopting above-mentioned technical scheme, the introduction of roll wheel is convenient for remove the rack to different operating position to change rotor device and carry out the degasification operation to the molten aluminium liquid in different positions, be convenient for maintain rotor device when economical and practical. In the lifting process of the lifting platform, the gravity center of the placing frame changes along with the lifting of the lifting platform, and the weight box reduces the risk that the placing frame of the lifting platform topples over in the lifting process.

Optionally, a sliding groove for the sliding connection of the counterweight box is formed in one side of the support plate facing the placing frame; one end of the sliding chute penetrates through the side wall of the carrier plate; a through groove penetrating through the side wall of the support plate is formed at the bottom of the sliding groove; one end of the through groove penetrates through the side wall of the carrier plate, and the through groove and the sliding groove penetrate through the same side wall of the carrier plate; and a plurality of travelling wheels penetrating through the through grooves are mounted on the bottom wall of the weight box.

Through adopting above-mentioned technical scheme, before removing the rack, operating personnel can be earlier outside the weight box roll-off spout, lighten the weight of rack to operating personnel promotes the rack, and after the position of rack was confirmed, alright promote the weight box and slide in the spout again, increase the weight of rack. The cooperation of spout and walking wheel improves the installation rate of weight box and support plate when lightening operating personnel intensity of labour.

Optionally, the side wall of the carrier plate is provided with a blind hole penetrating through the through groove relative to the inner side wall; and the blind hole is inserted with a limiting rod for limiting the traveling wheel to slide out of the through groove.

Through adopting above-mentioned technical scheme, after the weight box slided into the spout, in inserting the gag lever post blind hole, outside the restriction walking wheel roll-off spout to reduce the risk of elevating platform lift in-process weight box roll-off spout.

Optionally, the rotor device includes a rotating motor fixed to the lifting table and a rotor coaxially fixed to a rotating shaft of the rotating motor; and the side wall of the lifting platform is provided with a heat insulation layer at the periphery of the rotating motor.

By adopting the technical scheme, after the working height of the lifting platform is determined, the rotor is positioned in the molten aluminum, and the rotor can be driven to rotate by starting the rotating motor, so that degassing operation is performed on the molten aluminum. The heat insulation layer reduces the temperature of the molten aluminum to be transmitted to the rotating motor, and the service life of the rotating motor is prolonged.

Optionally, the driving device includes a driving motor fixed on the side wall of the carrier plate, a first sprocket coaxially fixed on a rotating shaft of the driving motor, a second sprocket rotatably connected to the side wall of the guide rail, and a chain wound around the first sprocket and the second sprocket; the lifting platform is positioned between the first chain wheel and the second chain wheel; both ends of the chain are fixed on the same side wall of the lifting platform.

Through adopting above-mentioned technical scheme, start driving motor, first sprocket rotates, and first sprocket passes through the chain and the second sprocket pulls the elevating platform along the length direction of guide rail to realize the lift of elevating platform. Based on the advantages of chain transmission, the transmission mode can work in severe environments such as high temperature, pollution and the like, the work is reliable, the overload capacity is strong, and therefore the lifting of the lifting platform is stable and reliable, and the safe working environment for operators is provided.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the travel switches, on one hand, after the lifting platform touches the travel switches, the driving device is automatically closed, the operating personnel does not need to repeatedly determine the working height of the lifting platform by experience, the degassing efficiency of the aluminum liquid is improved, on the other hand, a plurality of travel switches are designed in a redundant manner, and after a single travel switch fails, the rest travel switches in the working height range of the lifting platform can also play a role;

2. through the communication connection between the control terminal and the travel switch, the steps of starting the rotor device by operators are reduced, and the degassing efficiency of the aluminum liquid is improved;

3. through the weight box, the risk that the lifting platform is toppled over at the in-process placing rack that goes up and down is reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a driving device and a rotor device according to an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a of fig. 2.

Description of reference numerals: 1. placing a rack; 11. a carrier plate; 111. a rolling wheel; 112. a chute; 113. penetrating a groove; 114. blind holes; 115. a limiting rod; 12. mounting a rod; 121. a sliding sheet; 122. a locking member; 2. a guide rail; 3. a control terminal; 4. a lifting platform; 41. a sleeve; 42. a cross arm; 5. a drive device; 51. a drive motor; 52. a first sprocket; 53. a second sprocket; 54. a chain; 6. a rotor arrangement; 61. rotating the motor; 62. a rotor; 7. a travel switch; 8. a weight box; 81. a traveling wheel; 9. a heat preservation and insulation layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses aluminum liquid degassing equipment for casting production. Referring to fig. 1, the molten aluminum degassing equipment for casting production comprises a placing frame 1, a guide rail 2, a control terminal 3, a lifting platform 4, a driving device 5 and a rotor device 6, wherein a support plate 11 is fixed on the bottom wall of the placing frame 1. The guide rail 2 is vertically fixed to the upper surface of the carrier plate 11. Four rolling wheels 111 are fixed to the lower surface of the carrier plate 11.

Referring to fig. 1, a mounting rod 12 is vertically fixed on an upper surface of a carrier plate 11, and a central axis of the mounting rod 12 and a central axis of a guide rail 2 are parallel to each other. The outer side of the mounting rod 12 is provided with three sliding pieces 121, and the three sliding pieces 121 are arranged along the length direction of the mounting rod 12. A locking member 122 for fixing the sliding piece 121 to the circumferential side of the mounting rod 12 is fixed to the side wall of the sliding piece 121, and the locking member 122 is a hoop screwed to the side wall of the sliding piece 121. The side wall of the sliding sheet 121 far away from one end of the mounting rod 12 is fixed with a travel switch 7, and the travel switch 7 faces the guide rail 2. The three sliding sheets 121 are respectively positioned at the lower limit of the guide rail 2, the working height of the lifting platform 4 and the upper limit position of the guide rail 2, and the distance between the travel switch 7 at the upper limit position of the guide rail 2 and the travel switch 7 at the working height of the lifting platform 4 is greater than the distance between the travel switch 7 at the working height of the lifting platform 4 and the travel switch 7 at the lower limit position of the guide rail 2.

Referring to fig. 1, a control terminal 3 is fixed to a side wall of a rack 1. The travel switch 7 is communicatively connected to the control terminal 3, and the control terminal 3 is communicatively connected to the drive device 5 and the rotor device 6. The control terminal 3 controls the opening and closing of the driving device 5 and the rotor device 6. The elevating platform 4 is connected to the guide rail 2 in a sliding manner, and the elevating platform 4 and the travel switch 7 are in a mutually abutting relationship. The driving device 5 drives the lifting table 4 to move up and down along the length direction of the guide rail 2.

Referring to fig. 2, a weight box 8 is connected to the upper surface of the carrier plate 11 in a sliding manner, the weight box 8 increases the weight of the carrier plate 11, and the placing frame 1 is lowered to topple over during the lifting process of the lifting platform 4. The upper surface of the carrier plate 11 is provided with a sliding groove 112 for the counterweight box 8 to slide and connect, and one end of the sliding groove 112 penetrates through the side wall of the carrier plate 11. Four road wheels 81 are fixed to the bottom wall of the weight box 8. The bottom of the sliding slot 112 is provided with a through slot 113 penetrating through the lower surface of the carrier plate 11, and one end of the through slot 113 penetrates through the side wall of the carrier plate 11. The through slot 113 and the sliding slot 112 penetrate through the same side wall of the carrier plate 11. The road wheels 81 pass through the through slots 113. The diameters of the travelling wheels 81 and the rolling wheels 111 are the same, so that the weight box 8 can slide into or out of the sliding groove 112 conveniently. One side of the carrier plate 11 far away from the guide rail 2 is provided with two blind holes 114 penetrating through the opposite inner side walls of the through grooves 113, and limiting rods 115 limiting the traveling wheels 81 to slide out of the through grooves 113 are inserted in the blind holes 114.

Referring to fig. 1, the lifting table 4 includes a sleeve 41 coaxially inserted through the outer side wall of the guide rail 2 and a crossbar 42 fixed to the side wall of the sleeve 41, and the guide rail 2 and the sleeve 41 are both rectangular parallelepiped shapes. The side walls of the sleeve 41 facing the two ends of the guide rail 2 are in contact with the travel switches 7, and the sleeve 41 can be in contact with both the travel switches 7 at the working height of the lifting platform 4 and the travel switches 7 at the lower limit position of the guide rail 2. The cross arm 42 is hollow inside. The driving sleeve 41 is slidably moved in the longitudinal direction of the guide rail 2 by the driving means. The rotor device 6 is fixed at one end of the cross arm 42 far away from the sleeve 41 and carries out degassing and stirring operation on the molten aluminum.

Referring to fig. 2, the driving device 5 includes a driving motor 51 fixed on the upper surface of the carrier plate 11, a first chain wheel 52 coaxially fixed on a rotating shaft of the driving motor 51, a second chain wheel 53 rotatably connected to the side wall of the guide rail 2, and a chain 54 wound around the first chain wheel 52 and the second chain wheel 53, wherein the rotating shaft of the driving motor 51 passes through the two side walls of the guide rail 2 facing away from each other. The first chain wheel 52 is located at one end of the driving motor 51 where the shaft passes through the side wall of the guide rail 2. The bushing 41 is located between the first sprocket 52 and the second sprocket 53. The chain 54 passes through the sleeve 41, and both ends of the chain 54 are fixed on the inner side walls on the same side of the sleeve 41. The driving motor 51 is started, the rotating shaft of the driving motor 51 rotates forward and backward, the first chain wheel 52 rotates, and the sleeve 41 is pulled along the length direction of the guide rail 2 through the second chain wheel 53 and the chain 54, so that the lifting of the lifting table 4 is realized.

Referring to fig. 2 and 3, the rotor device 6 includes a rotary motor 61 fixed to a side wall of the inner cavity of the crossbar 42, and a rotor 62 coaxially fixed to the rotary motor 61, and the heat insulating layer 9 covering the outer side of the rotary motor 61 is fixed to the side wall of the inner cavity of the crossbar 42. The rotating shaft of the rotating motor 61 penetrates through the side wall of the cross arm 42. The central axis of the rotor 62 is parallel to the central axis of the guide rail 2.

The implementation principle of the aluminum liquid degassing equipment for casting production in the embodiment of the application is as follows: after the operator pushes the placing frame 1 to the working position, the operator pushes the weight box 8 to the sliding groove 112, and the position of the weight box 8 is fixed by the limiting rod 115, so that the driving motor 51 can be started.

The driving motor 51 is started, the first chain wheel 52 rotates, and the second chain wheel 53 and the chain 54 pull the sleeve 41 to ascend and descend. When the sleeve 41 touches the travel switch 7 at the working height of the lifting platform 4, the travel switch 7 sends a closing signal to the control terminal 3, the control terminal 3 receives the closing signal of the travel switch 7 and sends a closing signal to the driving motor 51, the driving motor 51 stops running, meanwhile, the control terminal 3 sends a starting signal to the rotating motor 61, the rotating motor 61 is started, the rotor 62 rotates, and molten aluminum is stirred and degassed. After the molten aluminum stirring degassing operation time is reached, the drive motor 51 is started again.

When the sleeve 41 touches the travel switch 7 at the upper limit of the guide rail 2, the travel switch 7 sends a closing signal to the control terminal 3, the control terminal 3 receives the closing signal and sends the closing signal to the driving motor 51, the driving motor 51 stops running, at the moment, the rotor 62 is completely separated from the liquid level of the molten aluminum, and the rotor 62 can be overhauled or the placing rack 1 is moved.

After the sleeve 41 touches the travel switch 7 at the lower limit of the guide rail 2, the sleeve 41 is not separated from the travel switch 7 at the working height of the lifting platform 4, the travel switch 7 at the lower limit of the guide rail 2 sends a closing signal to the control terminal 3, the control terminal 3 receives the closing signal of the travel switch 7 and sends a closing signal to the driving motor 51, the driving motor 51 stops running, and the risk that the rotor 62 touches the bottom of the molten aluminum cavity with molten metal is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a foundry goods production is with aluminium liquid degassing unit which characterized in that: comprises a guide rail (2), a lifting platform (4) connected with the guide rail (2) in a sliding way, a driving device (5) for driving the lifting platform (4) to lift and a rotor device (6) arranged on the lifting platform (4); the side wall of the guide rail (2) is provided with a plurality of stroke switches (7) for closing the driving device (5); the travel switch (7) is abutted against the side wall of the lifting platform (4); the travel switches (7) are arranged along the length direction of the guide rail (2).

2. The aluminum liquid degassing apparatus for casting production according to claim 1, characterized in that: the device also comprises a placing rack (1) for installing the guide rail (2) and a control terminal (3) arranged on the side wall of the placing rack (1); the control terminal (3) is in communication connection with the driving device (5) and the rotor device (6); the travel switch (7) is in communication connection with the control terminal (3).

3. The aluminum liquid degassing apparatus for casting production according to claim 2, characterized in that: a mounting rod (12) parallel to the guide rail (2) is fixed on the side wall of the placing rack (1); the mounting rod (12) is connected with a plurality of sliding sheets (121) which correspond to the travel switches (7) one by one in a sliding manner; the travel switch (7) is fixed on the side wall of the sliding sheet (121); and a locking piece (122) for fixing the sliding sheet (121) on the side wall of the mounting rod (12) is mounted on the side wall of the sliding sheet (121).

4. The aluminum liquid degassing apparatus for casting production according to claim 2, characterized in that: a support plate (11) is fixed on the bottom wall of the placing frame (1); a plurality of rolling wheels (111) are arranged on one side of the carrier plate (11) departing from the placing rack (1); the side wall of the carrier plate (11) is provided with a weight box (8) for increasing the weight of the carrier plate (11).

5. The aluminum liquid degassing apparatus for casting production of claim 4, characterized in that: one side of the carrier plate (11) facing the placing frame (1) is provided with a sliding groove (112) for the sliding connection of the counterweight box (8); one end of the sliding chute (112) penetrates through the side wall of the carrier plate (11); a through groove (113) penetrating through the side wall of the carrier plate (11) is formed at the bottom of the sliding groove (112); one end of the through groove (113) penetrates through the side wall of the carrier plate (11), and the through groove (113) and the sliding groove (112) penetrate through the same side wall of the carrier plate (11); and a plurality of travelling wheels (81) penetrating through the through grooves (113) are mounted on the bottom wall of the weight box (8).

6. The aluminum liquid degassing apparatus for casting production of claim 5, characterized in that: the side wall of the carrier plate (11) is provided with a blind hole (114) which penetrates through the through groove (113) and is opposite to the inner side wall; the blind hole (114) is inserted with a limiting rod (115) which limits the traveling wheel (81) to slide out of the through groove (113).

7. The aluminum liquid degassing apparatus for casting production according to claim 1, characterized in that: the rotor device (6) comprises a rotating motor (61) fixed on the lifting platform (4) and a rotor (62) coaxially fixed on a rotating shaft of the rotating motor (61); and a heat insulation layer (9) is arranged on the side wall of the lifting platform (4) at the peripheral side of the rotating motor (61).

8. The aluminum liquid degassing apparatus for casting production according to claim 1, characterized in that: the driving device (5) comprises a driving motor (51) fixed on the side wall of the carrier plate (11), a first chain wheel (52) coaxially fixed on a rotating shaft of the driving motor (51), a second chain wheel (53) rotatably connected to the side wall of the guide rail (2), and a chain (54) wound on the peripheral sides of the first chain wheel (52) and the second chain wheel (53); the lifting platform (4) is positioned between the first chain wheel (52) and the second chain wheel (53); and the two ends of the chain (54) are fixed on the same side wall of the lifting platform (4).