CN212495361U

CN212495361U - Multi-hole-site automatic casting machine

Info

Publication number: CN212495361U
Application number: CN202021518960.4U
Authority: CN
Inventors: 胥志勇
Original assignee: Henan Mingheng Electromechanical Equipment Co ltd
Current assignee: Henan Mingheng Electromechanical Equipment Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-02-09
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a multi-hole-position automatic casting machine, a casting bracket is slidably arranged on a casting supporting arm, first hydraulic cylinders are symmetrically arranged at two sides of the casting supporting arm, the first hydraulic cylinders drive the casting bracket to move back and forth on the casting supporting arm, a plurality of casting ports are arranged at the bottom of a casting ladle side by side, casting switches are arranged on the casting ports and are divided into a bottom-drawing switch and a single-pull rotating switch, the casting supporting arm is slidably arranged on a casting tower through a composite lifting mechanism, the casting tower is vertically arranged on a bearing type walking trolley, the bearing type walking trolley is arranged on a ground track in a rolling way, the multi-hole-position automatic casting machine utilizes the multi-hole-position casting switch, the flow of the casting ladle is easy to control, the metal liquid at the top surface is cooled slowly, scum is less, a plurality of molds can be simultaneously cast, the mutual influence is avoided, the efficiency is improved, the casting ladle, safe operation, and is suitable for various casting environments and moulds of various specifications.

Description

Multi-hole-site automatic casting machine

Technical Field

The utility model relates to a casting equipment technical field, concretely relates to porous position automatic casting machine.

Background

In recent years, along with continuous innovation of casting technology and development and popularization and application of hydraulic technology, single chip microcomputer technology and PLC technology, the ancient casting industry has changed from the top to the bottom, the production means and the organization mode of traditional casting are thoroughly changed, particularly, the continuous improvement of the casting technology and the improvement of the automation degree of casting equipment can effectively control the forming processes of filling, solidification, microstructure distribution, shrinkage porosity, shrinkage cavity and the like of castings, can greatly improve the production efficiency and economic benefit, and has important significance for casting production. The most used casting process at present is a tilting gravity casting method, which is a casting production method that liquid flows into a cavity by the change of an inclination angle of a casting mold or a metal mold in the tilting process.

The tilting casting process is mainly suitable for large-scale complex aluminum-silicon alloy castings. Although many factories adopt the tilting casting process and have many forming technologies at present, the development and application of the tilting casting machine control technology are irregular, the tilting casting machine is particularly used for medium and small enterprises, the tilting gravity casting machine for producing small-batch and large-scale complex aluminum alloy castings is still originally controlled, a relay-contactor system is adopted, a hydraulic system is controlled by inching to work, the quality of the castings cannot be ensured, the flow of a ladle is difficult to control, the cooling of the molten metal on the top surface is fast, and more scum exists, particularly, the defects of castings with complex structure, uneven wall thickness, high size precision and high mechanical property requirements, such as oxidized slag inclusion, air hole bubbles, shrinkage porosity cracks, cold shut, pinholes and the like, are frequently generated. In addition, the relay-contactor control system has poor reliability, a large number of parts, a complex structure, a large volume, low working efficiency and inconvenient manufacture, adjustment, use and maintenance.

The applicant provides a multi-hole-position automatic casting machine through research design and long-term experiments, a ladle bottom-drawing type casting mode is used for replacing a ladle tilting casting mode, the problems that the flow of a ladle is difficult to control, the cooling of metal liquid on the top surface is fast, the scum is more, only a single pair of moulds can be cast, the speed is slow, the yield is low, and the effect is poor are solved, a multi-hole-position casting switch is utilized, can simultaneously cast a plurality of moulds without mutual influence and improve the efficiency, utilizes the casting ladle travelling device, the casting ladle can move in all directions and run safely, is suitable for moulds in various casting environments and specifications, a liquid level detecting device is arranged in the casting ladle, can know at any time how much of metal liquid in the ladle, in time supply the material, utilize arc slag trap not only can separate dross, impurity and the thing that cools off in advance and molten metal liquid, also be convenient for clear up, improve casting efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a porous position automatic casting machine to solve traditional casting machine when the casting, it is very fast to water the metal liquid cooling of the difficult control of package flow, top surface, and the dross is more, and the operational environment is restricted and unsafe, the monomer casting, the extremely low problem of casting efficiency.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a multi-hole-site automatic casting machine comprises a casting ladle, a casting bracket, a casting supporting arm, a casting tower and a bearing type travelling trolley, wherein the casting bracket is slidably mounted on the casting supporting arm, first hydraulic cylinders are symmetrically mounted on two sides of the casting supporting arm and drive the casting bracket to move back and forth on the casting supporting arm, a plurality of casting openings are arranged at the bottom of the casting ladle side by side, a casting switch is arranged on each casting opening, and the casting switches are divided into a bottom-drawing switch and a single-pull rotating switch;

the casting supporting arm is slidably mounted on the casting tower through a composite lifting mechanism, the casting tower is vertically mounted on the bearing type walking trolley, and the bearing type walking trolley is mounted on a ground track in a rolling mode;

the bearing type walking trolley comprises a trolley body, a speed regulating motor and rollers, wherein the trolley body is arranged on the ground track in a rolling mode through the rollers, the speed regulating motor drives the rollers to rotate, a counterweight block mounting frame is arranged at one end of the trolley body, distance sensors for obstacles are arranged on two sides of the trolley body, and the distance sensors control the speed regulating motor to start and stop through a PLC (programmable logic controller);

the pouring ladle is provided with a liquid level detection device, the liquid level detection device comprises a high-temperature fire-resistant floating ball, a blocking ball and a high-temperature fire-resistant floating rod, the high-temperature fire-resistant floating rod vertically penetrates through a detection hole in the upper surface of the pouring ladle, the high-temperature fire-resistant floating ball is installed at the bottom of the high-temperature fire-resistant floating rod, the blocking ball is installed at the fixed part of the high-temperature fire-resistant floating rod, and scales are arranged on the high-temperature fire-resistant floating rod;

an arc-shaped slag trap is further arranged in the casting ladle, sieve holes are formed in the arc-shaped slag trap, and the bottom of the arc-shaped slag trap is close to the casting opening;

the PLC controller also controls the electric equipment and the hydraulic equipment to work through a remote controller.

The further technical scheme is as follows: the bottom-drawing switch comprises an upper baffle, a lower baffle, a thread sleeve rod and a motor, wherein the upper baffle is installed on the casting gate, a first discharge hole communicated with the casting gate is formed in the upper baffle, the motor is installed on the lower surface of one end of the casting supporting arm, the output end of the motor is horizontally connected with the thread sleeve rod, the thread sleeve rod is connected with the side face of the lower baffle, the motor drives the thread sleeve rod to drive the lower baffle to seal the first discharge hole of the upper baffle.

The further technical scheme is as follows: the threaded sleeve rod comprises a threaded pipe with an internal thread and a threaded rod with an external thread, the threaded rod is rotatably installed in the threaded pipe, the threaded pipe is horizontally connected with the output end of the motor, and the outer end of the threaded rod is connected with the side wall of the lower baffle.

The further technical scheme is as follows: the single-pull rotary switch is that the one end of baffle down with the one end of overhead gage is rotated and is connected, be provided with down on the baffle with first discharge gate assorted second discharge gate, the side of baffle is provided with the extension arm down, the outer end of threaded rod pass through the hinged-support with the outer end of extension arm is connected, the hinged-support is installed on the slider, the slider slidable mounting be in the sliding tray of the side of extension arm.

The further technical scheme is as follows: the combined type lifting mechanism comprises a second hydraulic cylinder, a movable pulley, a steering wheel, a middle rotating wheel, a fixed pulley and a steel wire rope, wherein the second hydraulic cylinder is symmetrically installed on two sides of the bearing type walking trolley along the horizontal direction, the movable pulley is rotatably installed on the output end of the second hydraulic cylinder, the steering wheel is symmetrically installed on the bearing type walking trolley through a cross beam, the middle rotating wheel is symmetrically installed on two sides of the casting supporting arm, the fixed pulley is installed on the casting supporting arm 3, one end of the steel wire rope is fixed on the bearing type walking trolley, the other end of the steel wire rope sequentially penetrates through the movable pulley, the steering wheel, the middle rotating wheel and the fixed pulley and is fixed on the casting supporting arm, and the second hydraulic cylinder drives the steel wire rope to drive the casting supporting arm to move up and down.

The further technical scheme is as follows: the movable pulley, the steering wheel, the middle rotating wheel and the fixed pulley are all concave wheels, and the concave surfaces are all provided with anti-skid lines.

The further technical scheme is as follows: sliding frames are symmetrically arranged below two sides of the casting supporting arm, a plurality of groups of guide wheels are rotatably arranged on two sides of each sliding frame, and the outer surfaces of the guide wheels tightly support the casting tower.

The further technical scheme is as follows: the top of the casting tower is provided with a safety limiting bulge used for the casting supporting arm, and the bottom of the casting tower is provided with a safety limiting support used for the casting supporting arm.

The further technical scheme is as follows: and a linear displacement sensor is arranged between the casting tower and the casting supporting arm.

Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least:

1. the utility model provides a multi-hole-position automatic casting machine, it is provided with a plurality of casting holes side by side to water a ladle bottom at multi-hole-position automatic casting machine, all install the casting switch on casting hole, the casting switch divide into take out bottom formula switch and single and draw the rotary switch, convenient operation is swift, utilize the casting switch can become the bottom casting mode with traditional tilting casting mode, the casting switch is convenient for control to water the interior metal liquid flow of ladle, improve casting efficiency, it is more to have solved the metal liquid cooling of pouring ladle uncovered top surface among the traditional tilting casting mode and dross, and can only singly cast to the single pair mould, slow speed, output is low, the problem of poor effect; the traditional hydraulic lifting mechanism is changed into hydraulic-pulley block combined type lifting, the second hydraulic cylinder is sufficient in power and can jack up a large and heavy object, the effect of reversing and stroke changing can be achieved by combining the pulley block, the stroke size of the second hydraulic cylinder is specifically determined by the number of the pulley block, and the problems that the stroke of the traditional hydraulic cylinder is insufficient and the power of a motor is insufficient are solved. A

2. The bearing type walking trolley of the multi-hole-position automatic casting machine is provided with the balancing weight mounting frame, the pouring ladle can be assembled according to the actual production condition and the weight of the pouring ladle to be heavier, the balancing weight is increased, otherwise, the weight is reduced, the walking of the trolley body can be solved, the problem of the inclination of the trolley body is solved, distance sensors for obstacles are arranged on two sides of the trolley body, the obstacles can be sensed timely to comprise people, the trolley body is prevented from being overweight, when the inertia is overlarge, the accident is caused by overlong brake distance, the safety is ensured, the adjustable speed motor is mounted on each wheel, and the overweight trolley body can be started smoothly.

3. Set up liquid level detection device in watering the package, can know at any time and water how much of interior metal liquid of package, in time supply the material, utilize arc slag trap not only can separate dross, impurity and the thing that cools off in advance and molten metal liquid, the clearance of also being convenient for improves casting efficiency.

Drawings

Fig. 1 is a schematic structural view of the multi-hole automatic casting machine of the present invention.

Fig. 2 is a schematic structural view of the combined type lifting mechanism shown in fig. 1 according to the present invention.

Fig. 3 is a schematic structural view of the casting bracket, the casting bracket and the ladle in fig. 1 according to the present invention.

Fig. 4 is a schematic structural diagram of the cast switch of fig. 1 according to the present invention.

Fig. 5 is a schematic structural diagram of the bottom-drawing switch of fig. 1 according to the present invention.

Fig. 6 is a schematic structural view of a single-pull rotary switch shown in fig. 1 according to the present invention.

Reference numerals: 1. casting a ladle; 2. casting a bracket; 3. casting a supporting arm; 31. a carriage; 32. a guide wheel; 4. a first hydraulic cylinder; 5. a casting switch; 6. a bottom-drawing switch; 7. a single pull rotary switch; 8. an upper baffle plate; 81. a first discharge port; 9. a lower baffle plate; 91. a second discharge port; 10. a threaded rod; 101. a threaded pipe; 102. a threaded rod; 11. a motor; 12. a casting tower; 121. a safety limit bulge; 122. a safety limit bracket; 13. a load-bearing type walking trolley; 131. a vehicle body; 132. a speed-regulating motor; 133. a roller; 134. a counterweight block mounting frame; 135. a distance sensor; 14. a composite lifting mechanism; 141. a second hydraulic cylinder; 142. a movable pulley; 143. a steering wheel; 144. a middle rotating wheel; 145. a fixed pulley; 146. a wire rope; 16. a linear displacement sensor; 17. a hinged support; 18. a lengthening arm; 19. a beam, 20, a ground track; 21. a bit detection device; 211. a high temperature refractory float ball; 212. a baffle ball 213, a high-temperature fire-resistant floating rod; 22. an arc slag trap.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

embodiment 1 please refer to an embodiment shown in fig. 1 and fig. 2, which discloses a multi-hole-site automatic casting machine, a traveling device for casting ladle and a multi-hole-site automatic casting machine, comprising a casting ladle 1, a casting bracket 2, a casting bracket arm 3, a casting tower 12 and a bearing type traveling trolley 13, wherein the casting bracket 2 is slidably mounted on the casting bracket arm 3, first hydraulic cylinders 4 are symmetrically mounted on two sides of the casting bracket arm 3, the first hydraulic cylinders 4 drive the casting bracket 2 to move back and forth on the casting bracket arm 3, a plurality of casting ports are arranged at the bottom of the casting ladle 1 side by side, a casting switch 5 is arranged on each casting port, and the casting switches 5 are divided into a bottom-pulling switch 6 and a single-pulling rotary switch 7;

the casting supporting arm 3 is slidably mounted on the casting tower 12 through a composite lifting mechanism 14, the casting tower 12 is vertically mounted on the bearing type walking trolley 13, and the bearing type walking trolley 13 is mounted on a ground track 20 in a rolling manner;

the bearing type walking trolley 13 comprises a trolley body 131, a speed regulating motor 132 and rollers 133, wherein the trolley body 131 is arranged on the ground rail 20 in a rolling mode through the rollers 133, the speed regulating motor 132 drives the rollers 133 to rotate, a counterweight block mounting frame 134 is arranged at one end of the trolley body 131, distance sensors 135 for obstacles are arranged on two sides of the trolley body 131, and the distance sensors 135 control the speed regulating motor 132 to start and stop through a PLC (programmable logic controller);

the ladle 1 is provided with a liquid level detection device 21, the liquid level detection device 21 comprises a high-temperature fire-resistant floating ball 211, a blocking ball 212 and a high-temperature fire-resistant floating rod 213, the high-temperature fire-resistant floating rod 213 vertically penetrates through a detection hole in the upper surface of the ladle 1, the high-temperature fire-resistant floating ball 211 is installed at the bottom of the high-temperature fire-resistant floating rod 213, the blocking ball 212 is installed at the fixed part of the high-temperature fire-resistant floating rod 213, and scales are arranged on the high-temperature fire-resistant floating rod 213;

an arc-shaped slag trap 22 is further arranged in the casting ladle 1, sieve holes are formed in the arc-shaped slag trap 22, and the bottom of the arc-shaped slag trap 22 is close to the casting opening;

The working principle of the porous site automatic casting machine is as follows: the bearing type walking trolley 13 is arranged on the ground track 20 in a rolling mode, the bearing type walking trolley 13 is provided with a counterweight block mounting frame 134, the casting ladle can be assembled to be heavier according to the actual production condition and the weight of the casting ladle 1, the counterweight block is added, otherwise, the counterweight block is reduced, the problem that the trolley body 131 inclines when the trolley body 131 walks can be solved, in addition, distance sensors 135 for obstacles are arranged on two sides of the trolley body 131, the obstacles including people can be sensed in time, the trolley body 131 is prevented from being overweight, when the inertia is overlarge, the braking distance is overlong, accidents are caused, the safety is ensured, and a speed regulating motor 132 is arranged on each wheel 133, so that the overweight trolley body 131;

the casting tower 12 is vertically installed on a bearing type walking trolley 13, the casting supporting arm 3 is slidably installed on the casting tower 12 through a combined type lifting mechanism 14, the traditional hydraulic lifting mechanism or motor lifting is changed into hydraulic-pulley block combined type lifting, the hydraulic cylinder has enough power and can jack up a large and heavy object, the effect of reversing and changing the stroke can be achieved by combining the pulley block, the stroke size of the second hydraulic cylinder is specifically determined by the number of the pulley block, the problems of insufficient stroke of the traditional hydraulic cylinder and insufficient motor power are solved, the casting switch 5 of the casting ladle 1 and the combined type lifting mechanism 14 of the casting ladle 1 jointly form a transfer mechanism of the casting ladle 1, the casting ladle 1 can be safely and quickly moved and cast, the casting speed and quality are improved, and in addition, the working efficiency and the working quality of the casting machine are also improved;

the casting ladle 1 is arranged on the casting bracket 2 through a bolt, the casting bracket 2 is slidably arranged on the casting bracket arm 3, the two sides of the casting bracket arm 3 are symmetrically provided with first hydraulic cylinders 4, the first hydraulic cylinders 4 drive the casting bracket 2 to move back and forth on the casting bracket arm 3, the bottom of the casting ladle 1 of the multi-hole-position automatic casting machine is provided with a plurality of parallel casting holes, the plurality of casting holes can be used for casting a plurality of moulds at one time, the independent work is not influenced, the casting holes are all provided with casting switches 5, the casting switches 5 are divided into a bottom-drawing type switch 6 and a single-pulling rotary switch 7, the traditional tilting casting mode can be changed into bottom casting by utilizing the casting switches 5, the casting switches 5 are convenient for controlling the flow rate of the metal liquid in the casting ladle 1, the problems that the metal liquid on the open top surface of the casting ladle 1 in the traditional tilting casting mode is cooled fast and the scum is more and only one-pair of moulds can be, low speed, low yield and poor effect;

a liquid level detection device 21 is arranged in the ladle 1, the high-temperature fire-resistant floating ball 211 and the high-temperature fire-resistant floating rod 213 are both made of high-temperature fire-resistant materials, the density of the high-temperature fire-resistant floating ball 211 is smaller than that of molten steel, the high-temperature fire-resistant floating ball 211 is preferably a hollow ball, personnel can know the amount of molten metal in the ladle at any time through the scale of the high-temperature fire-resistant floating rod 213 and supplement materials in time, and scum, impurities and advanced cooling substances can be separated from the molten metal by utilizing the arc-shaped slag baffle 22, so that the cleaning is convenient, and;

the person transmits information to the PLC through a remote controller or a control room, and the PLC controls the electric equipment and the hydraulic equipment on the multi-hole-site automatic casting machine to work in coordination with each other after processing.

Example 2:

on the basis of the above embodiment 1, in embodiment 2, referring to fig. 3, 4 and 5, the bottom-drawing switch 6 includes an upper baffle 8, a lower baffle 9, a threaded sleeve rod 10 and a motor 11, the upper baffle 8 is installed on the casting gate, a first discharge port 81 communicated with the casting gate is provided on the upper baffle 8, the motor 11 is installed on the lower surface of one end of the casting bracket arm 3, the output end of the motor 11 is horizontally connected with the threaded sleeve rod 10, the threaded sleeve rod 10 is connected with the side surface of the lower baffle 9, and the motor 11 drives the threaded sleeve rod 10 to drive the lower baffle 9 to seal the first discharge port 81 of the upper baffle 8.

The upper baffle 8 is installed on the sprue gate of casting ladle 1, is provided with the first discharge gate 81 with the sprue gate intercommunication on the upper baffle 8, and baffle 9 shutoff upper baffle 8's first discharge gate 81 can drive down to the screw loop pole 10 of motor 11's output horizontally connect, and the upper baffle all adopts high temperature resistant zirconium alloy material with lower baffle, and is simple easily controlled, longe-lived.

Preferably, the threaded sleeve rod 10 comprises a threaded pipe 101 provided with an internal thread and a threaded rod 102 provided with an external thread, the threaded rod 102 is rotatably installed in the threaded pipe 101, the threaded pipe 101 is horizontally connected with the output end of the motor 11, and the outer end of the threaded rod 102 is connected with the side wall of the lower baffle 9.

The threaded sleeve rod 10 is divided into a threaded pipe 101 with internal threads and a threaded rod 102 with external threads, and the threaded pipe 101 rotates along with the motor 11 to drive the threaded rod 102 to move so as to drive the lower baffle 9 to seal the first discharge hole 81 of the upper baffle 8.

Example 3:

on the basis of the above embodiment, in embodiment 3, referring to fig. 6, as an embodiment, the single-pull rotary switch 7 is that one end of the lower baffle 9 is rotatably connected with one end of the upper baffle 8, the lower baffle 9 is provided with a second discharge hole 91 matched with the first discharge hole 81, the side surface of the lower baffle 9 is provided with an elongated arm 18, the outer end of the threaded rod 102 is connected with the outer end of the elongated arm 18 through a hinged support 17, the hinged support 17 is installed on a sliding block, and the sliding block is slidably installed in a sliding groove in the side surface of the elongated arm 18.

The baffle 9 is rotated and opened under single-pull rotary switch 7 drives through threaded sleeve rod 10 and articulated seat 14, reduces threaded sleeve rod 10 stroke, and the one end of baffle 9 is rotated with the one end of overhead gage 8 and is connected down, and is more firm, and is sealed inseparabler.

Example 4:

on the basis of the above embodiment, embodiment 4 shows an embodiment, the composite lifting mechanism 14 includes second hydraulic cylinders 141, movable pulleys 142, steering wheels 143, transfer wheels 144, fixed pulleys 145 and wire ropes 146, the second hydraulic cylinders 141 are symmetrically installed on both sides of the carrying type traveling trolley 13 along the horizontal direction, the movable pulleys 142 are rotatably installed on the output end of the second hydraulic cylinders 141, the steering wheels 143 are symmetrically installed on the carrying type traveling trolley 13 through a cross beam 19, the middle rotating wheels 144 are symmetrically installed on both sides of the casting bracket arm 3, the fixed pulleys 145 are installed on the casting bracket arm 3, one end of the wire rope 146 is fixed on the carrying type traveling trolley 13, and the other end thereof sequentially passes through the movable pulleys 142, the steering wheels 143, the transfer wheels 144 and the fixed pulleys 145 and is fixed on the casting bracket arm 3, the second hydraulic cylinder 141 drives the steel wire rope 146 to drive the casting bracket arm 3 to move up and down.

The steel wire rope 146 can double the stroke of the second hydraulic cylinder 141 through the movable pulley 142 and the steering wheel 143, the second hydraulic cylinder 141 drives the casting bracket arm 3 to move on the casting tower 12 through the steel wire rope 146, and the pulley block transmission is labor-saving and the stroke is adjustable.

Example 5:

on the basis of the above embodiment, embodiment 5 shows an embodiment in which the movable pulley 142, the diverting pulley 143, the middle rotating pulley 144 and the fixed pulley 145 are all provided as concave wheels, and the concave surfaces are all provided with anti-skid threads.

The movable pulley 142, the steering wheel 143, the transfer wheel 144 and the fixed pulley 145 are all concave wheels, and the concave surfaces are all provided with anti-slip lines to prevent the steel wire rope 146 from falling off and slipping.

Example 6:

on the basis of the above embodiment, embodiment 6 shows an embodiment, a sliding frame 31 is symmetrically installed below two sides of the casting bracket arm 3, a plurality of groups of guide wheels 32 are rotatably installed on two sides of the sliding frame 31, and the outer surfaces of the guide wheels 32 abut against the casting tower 12.

The sliding frames 31 are symmetrically arranged below the two sides of the casting support arm 3, the two sides of each sliding frame 31 are rotatably provided with a plurality of groups of guide wheels 32, the outer surfaces of the guide wheels 32 tightly support the casting tower 12, friction is reduced, and the casting support arm 3 can conveniently move on the casting tower 12.

Example 7:

on the basis of the above embodiment, embodiment 7 shows an embodiment, the top of the casting tower 12 is provided with a safety limit protrusion 121 for the casting bracket arm 3, and the bottom of the casting tower 12 is provided with a safety limit bracket 122 for the casting bracket arm 3.

The top of the casting tower 12 is provided with a safety limit bulge 121, and the bottom of the casting tower 12 is provided with a safety limit bracket 122, so that the casting bracket arm 3 is prevented from exceeding the stroke of the casting tower 12 and damaging equipment.

Example 8:

on the basis of the above embodiment, the embodiment 8 shows an embodiment in which a linear displacement sensor 16 is disposed between the casting tower 12 and the casting corbel 3.

A linear displacement sensor 16 is arranged between the casting tower 12 and the casting supporting arm 3, so that the movement of the casting supporting arm 3 is convenient to monitor and position.

The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. A porous position automatic casting machine which characterized in that: the casting device comprises a casting ladle (1), a casting bracket (2), a casting supporting arm (3), a casting tower (12) and a bearing type walking trolley (13), wherein the casting bracket (2) is slidably mounted on the casting supporting arm (3), first hydraulic cylinders (4) are symmetrically mounted on two sides of the casting supporting arm (3), the first hydraulic cylinders (4) drive the casting bracket (2) to move back and forth on the casting supporting arm (3), a plurality of casting ports are arranged at the bottom of the casting ladle (1) side by side, a casting switch (5) is arranged on each casting port, and the casting switches (5) are divided into a bottom-drawing switch (6) and a single-drawing rotating switch (7);

the casting supporting arm (3) is slidably mounted on the casting tower (12) through a composite lifting mechanism (14), the casting tower (12) is vertically mounted on the bearing type walking trolley (13), and the bearing type walking trolley (13) is mounted on a ground track (20) in a rolling mode;

the bearing type walking trolley (13) comprises a trolley body (131), a speed regulating motor (132) and rollers (133), wherein the trolley body (131) is arranged on the ground track (20) in a rolling mode through the rollers (133), the speed regulating motor (132) drives the rollers (133) to rotate, a counterweight mounting frame (134) is arranged at one end of the trolley body (131), distance sensors (135) for obstacles are arranged on two sides of the trolley body (131), and the distance sensors (135) control the speed regulating motor (132) to start and stop through a PLC (programmable logic controller);

the pouring ladle (1) is provided with a liquid level detection device (21), the liquid level detection device (21) comprises a high-temperature fire-resistant floating ball (211), a blocking ball (212) and a high-temperature fire-resistant floating rod (213), the high-temperature fire-resistant floating rod (213) vertically penetrates through a detection hole in the upper surface of the pouring ladle (1), the high-temperature fire-resistant floating ball (211) is installed at the bottom of the high-temperature fire-resistant floating rod (213), the blocking ball (212) is installed at the fixed part of the high-temperature fire-resistant floating rod (213), and scales are arranged on the high-temperature fire-resistant floating rod (213);

an arc-shaped slag trap (22) is further arranged in the casting ladle (1), sieve holes are formed in the arc-shaped slag trap (22), and the bottom of the arc-shaped slag trap (22) is close to the casting opening;

the PLC controller also controls the work of the devices through a remote controller.

2. The machine according to claim 1, characterized in that: take out end switch (6) and include overhead gage (8), lower baffle (9), screw thread loop bar (10) and motor (11), overhead gage (8) are installed on the casting gate, be provided with on overhead gage (8) with first discharge gate (81) of casting gate intercommunication, motor (11) are installed on the lower surface of casting trailing arm (3) one end, the output horizontally connect of motor (11) has screw thread loop bar (10), screw thread loop bar (10) with the side of baffle (9) is connected down, motor (11) drive screw thread loop bar (10) drive baffle (9) are sealed down first discharge gate (81) of overhead gage (8).

3. The machine according to claim 2, characterized in that: the threaded sleeve rod (10) comprises a threaded pipe (101) with an internal thread and a threaded rod (102) with an external thread, the threaded rod (102) is rotatably installed in the threaded pipe (101), the threaded pipe (101) is horizontally connected with the output end of the motor (11), and the outer end of the threaded rod (102) is connected with the side wall of the lower baffle plate (9).

4. A multi-site automatic casting machine according to claim 3, characterized in that: singly draw rotary switch (7) to do down the one end of baffle (9) with the one end of overhead gage (8) is rotated and is connected, be provided with down on baffle (9) with first discharge gate (81) assorted second discharge gate (91), the side of baffle (9) is provided with extension arm (18) down, the outer end of threaded rod (102) pass through hinged-support (17) with the outer end of extension arm (18) is connected, hinged-support (17) are installed on the slider, the slider slidable mounting be in the sliding tray of the side of extension arm (18).

5. The machine according to claim 1, characterized in that: the combined type lifting mechanism (14) comprises a second hydraulic cylinder (141), a movable pulley (142), a steering wheel (143), a transfer wheel (144), a fixed pulley (145) and a steel wire rope (146), wherein the second hydraulic cylinder (141) is symmetrically installed on two sides of the bearing type walking trolley (13) along the horizontal direction, the movable pulley (142) is rotatably installed on the output end of the second hydraulic cylinder (141), the steering wheel (143) is symmetrically installed on the bearing type walking trolley (13) through a cross beam (19), the transfer wheel (144) is symmetrically installed on two sides of the casting supporting arm (3), the fixed pulley (145) is installed on the casting supporting arm (3), one end of the steel wire rope (146) is fixed on the bearing type walking trolley (13), and the other end of the steel wire rope (146) sequentially penetrates through the movable pulley (142), the steering wheel (143), the transfer wheel (144) and the fixed pulley (145) and is fixed on the casting supporting arm (3), the second hydraulic cylinder (141) drives the steel wire rope (146) to drive the casting supporting arm (3) to move up and down.

6. The machine according to claim 5, characterized in that: the movable pulley (142), the steering wheel (143), the middle rotating wheel (144) and the fixed pulley (145) are all concave wheels, and the concave surfaces are all provided with anti-skid threads.

7. The machine according to claim 5, characterized in that: sliding frames (31) are symmetrically arranged below two sides of the casting supporting arm (3), a plurality of groups of guide wheels (32) are rotatably arranged on two sides of each sliding frame (31), and the outer surfaces of the guide wheels (32) are tightly abutted to the casting tower (12).

8. The machine according to claim 5, characterized in that: the top of the casting tower (12) is provided with a safety limiting bulge (121) used for the casting supporting arm (3), and the bottom of the casting tower (12) is provided with a safety limiting support (122) used for the casting supporting arm (3).

9. The machine according to claim 5, characterized in that: and a linear displacement inductor (16) is arranged between the casting tower (12) and the casting supporting arm (3).