CN111014633A - Liquid storage tank for molten metal for casting and forming workpiece - Google Patents

Abstract

The invention provides a liquid storage tank for molten metal for casting and forming workpieces, which comprises an installation platform, a tank body and a tank cover, wherein the tank body and the tank cover are fixedly arranged above the installation platform, the tank body is of a double-layer heat-preservation cylinder structure with an upward opening, the tank cover is in sealing open-close type connection and matching with the opening of the tank body, a hard output pipe which is communicated with the tank body is arranged at the bottom of the tank body, the axial direction of the output pipe is vertical to the axial direction of the tank body, the output end of the output pipe is communicated with the input end of a pouring pipe, the output end of the pouring pipe points to a pouring gate of a mold, an annular boss is coaxially arranged at the opening of the tank body, an annular groove which is matched with the boss is arranged on the lower end face of the tank cover, an annular sealing ring is arranged in the groove, the groove is tightly, the mounting frame is provided with an opening and closing driving mechanism and used for opening the tank cover.

Description

Liquid storage tank for molten metal for casting and forming workpiece

Technical Field

The invention relates to the technical field of pouring, in particular to a liquid storage tank for molten metal for casting and molding workpieces.

Background

After China joined the world trade organization, the casting yield has exceeded the United states, the first place in the world. With the increasing expansion of the casting yield and the increasing demand for the casting quality, the foundry begins to pay attention to the casting of molten metal, which is one of the weak links in the casting production, and at present, some automatic casting machines are appeared, which mainly comprise a liquid storage tank for containing the molten metal and a casting pipe, and the interior of the liquid storage tank is pressurized and the molten metal is discharged by adding air into the closed liquid storage tank, so that the technical problems exist, on one hand, because the temperature difference between the outside air and the molten metal is huge, the air is directly injected into the liquid storage tank, so that the upper liquid surface of the molten metal is condensed, the liquidity of the molten metal is deteriorated, and adverse effects are generated on the casting, on the other hand, the opening and closing automation degree of the liquid storage tank is low, manual auxiliary operation is needed, the operators are easily scalded, the safety is poor, and the efficiency of adding or continuously adding the molten metal is influenced, therefore, a liquid storage tank for molten metal for high-safety pouring, which has the advantages of ingenious structure, simple principle, convenience in operation and use, high opening and closing automation degree and capability of injecting hot air, is needed.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to provide the multi-channel alternating type pneumatic extrusion automatic casting machine which is ingenious in structure, simple in principle, convenient to operate and use, high in automation degree and capable of automatically replacing casting pipes.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

A liquid storage tank for molten metal for casting and forming workpieces comprises a mounting table, a tank body and a tank cover, wherein the tank body and the tank cover are fixedly arranged above the mounting table, the tank body is of a double-layer heat-insulation cylinder structure with an upward opening, the tank cover is in sealing opening and closing connection and matching with the opening of the tank body, a hard output pipe which is connected and communicated with the tank body is arranged at the bottom of the tank body, the axial direction of the output pipe is vertical to the axial direction of the tank body, the output end of the output pipe is connected and communicated with the input end of a pouring pipe, the output end of the pouring pipe points to a pouring gate of a mold, an annular boss is coaxially arranged at the opening of the tank body, an annular groove which is matched with the boss is arranged on the lower end face of the tank cover, an annular sealing ring is arranged in the groove, the groove, the mounting frame is provided with an opening and closing driving mechanism and used for opening the tank cover.

As a further optimization or improvement of the present solution.

The pressurizing mechanism comprises a gas storage tank and an air compressor which are fixedly connected with the mounting table, the output end of the air compressor is connected and communicated with the input end of the gas storage tank, a soft exhaust pipe used for communicating a sealing tank body with the gas storage tank is arranged between the output end of the gas storage tank and the upper end face of the tank cover, a solenoid valve used for connecting and communicating the sealing tank body and the gas storage tank is arranged between the input end of the exhaust pipe and the output end of the gas storage tank, a heating channel communicated with the exhaust pipe is sleeved on the exhaust pipe, an electrifying heating rod is arranged.

As a further optimization or improvement of the present solution.

The opening and closing driving mechanism comprises a square frame which is fixedly connected with the mounting table and connected with one side of the tank body, the top of the square frame is fixedly provided with two guide sleeves, the axial direction of each guide sleeve is parallel to the axial direction of the tank body, the guide sleeves are movably sleeved with guide pillars in each guide sleeve, the guide pillars can slide up and down along the guide sleeves, the upper ends of the guide pillars extend to the outer part of each guide sleeve, the upper end of one guide pillar is coaxially and fixedly sleeved with a fixed sleeve, the fixed sleeve is fixedly connected with the tank cover, a sliding guide assembly is arranged between one guide pillar and each guide sleeve, the sliding guide assembly comprises a guide groove which is arranged on the guide sleeve and penetrates through the guide sleeves from inside to outside, a guide raised head which is fixedly arranged on the outer circular surface of each guide pillar and movably inserted in the guide groove, the guide raised head can slide along the guide direction of the guide groove, the inclined section is twisted by forty-five degrees from bottom to top along the outer circular surface of the guide sleeve.

As a further optimization or improvement of the present solution.

The opening and closing driving mechanism further comprises a lifting block, a lifting motor and a first screw rod, the lifting block is located above the guide sleeves and is rotatably sleeved on the guide pillars, limiting clamps are arranged on the guide pillars and restrict the lifting plate to slide up and down along the guide pillars, the lifting motor is fixedly arranged on the square frame, the first screw rod is coaxially and fixedly connected with an output shaft of the first screw rod, the first screw rod is located between the two guide sleeves and is parallel to the axial direction of the guide sleeves in the four axial direction, and the lifting block is sleeved on the first screw rod and is in threaded connection matching with the first screw.

Compared with the prior art, the invention has the advantages of ingenious structure, simple principle, convenient operation and use and high opening and closing automation degree, hot air can be injected into the liquid storage tank to avoid the condensation of the liquid level of the molten metal liquid caused by cold air, the pouring efficiency of the molten metal liquid is improved, and the operating conditions of a pouring worker are improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic view of the overall structure of the present invention.

FIG. 4 is a diagram showing the combination of the liquid storage tank, the opening/closing driving mechanism and the pressurizing mechanism.

FIG. 5 is a view showing the combination of the liquid storage tank and the opening/closing driving mechanism.

FIG. 6 is a schematic view of a reservoir tank.

FIG. 7 is a schematic view of the output end of the fluid reservoir.

FIG. 8 is a schematic view of the output end of the reservoir.

FIG. 9 is a view showing the engagement of the opening/closing drive mechanism with the lid.

FIG. 10 is a view showing the engagement of the opening/closing drive mechanism with the can lid.

FIG. 11 is a view showing the engagement of the opening/closing drive mechanism with the lid.

FIG. 12 is a view showing the engagement of the opening/closing drive mechanism with the can lid.

FIG. 13 is a partially exploded view of the opening and closing drive mechanism.

Fig. 14 is a schematic structural view of the pressing mechanism.

Fig. 15 is an exploded schematic view of the pressurizing mechanism.

Fig. 16 is a partial structural view of the pressing mechanism.

FIG. 17 is a partial schematic view of a pressing mechanism

Fig. 18 is a partial exploded view of a compression structure.

FIG. 19 is a view showing the connection of the liquid discharge mechanism to the output end of the liquid reservoir.

FIG. 20 is a view showing the connection of the drainage mechanism to the outlet of the infusion bottle.

FIG. 21 is a partially exploded view of the docking drainage mechanism with the output of the fluid reservoir.

Fig. 22 is a partial structure diagram of the abutting liquid discharging mechanism.

Fig. 23 is a partial structure diagram of the docking liquid discharge mechanism.

Fig. 24 is a schematic view of the structure of the follower driving member.

Fig. 25 is a partial structural view of the follower driving member.

Fig. 26 is a partial structural view of the follower drive member.

Fig. 27 is a partial structural view of the follower drive member.

FIG. 28 is a view showing the output end of the liquid discharge mechanism and the mold of the delivery mechanism.

Fig. 29 is an exploded view of the delivery mechanism.

Labeled as:

100. a liquid storage tank; 101, a mounting table; 102. a tank body; 103. a can lid; 104. an output pipe; 105. a fixed block; 106. an output aperture; 107. a return orifice; 108. a return channel; 110. an opening and closing driving mechanism; 111. a square frame; 112. a guide sleeve; 113. a guide post; 114. fixing a sleeve; 115a, a guide groove; 115b, a guide nose; 116. a lifting block; 117. a lifting motor; 118. a first screw rod; 120. a pressurizing mechanism; 121. a gas storage tank; 122. an air compressor; 123. an electromagnetic valve; 124. an exhaust pipe; 125. a heating channel; 126. a heating rod;

200. a liquid discharge butting mechanism; 201. a slider; 202. a butt joint hole; 203a, a guide rod; 203b, lugs; 204. a pouring tube; 204a, a first vertical section; 204b, a vertical section II; 204c, a pouring head; 205. a vibrator; 206. pouring a channel; 210. a follower drive member; 211. a second screw rod; 212. a sliding sleeve; 213. a snap ring; 214. a transmission spring; 215. a drive shaft; 216. replacing the motor; 217a and a first driving gear; 217b, a driven gear I; 218. a belt drive assembly; 219a, a driving gear II; 219b, a driven gear II;

300. a conveying mechanism; 301. a bracket; 302. a driving roller; 303. a driven drum; 304. a conveyor belt; 305. a conveying motor.

Detailed Description

Referring to fig. 1-29, a multi-channel alternating pneumatic extrusion automatic casting machine includes a liquid storage tank 100 for containing molten metal, a liquid discharge docking mechanism 200 including a plurality of casting tubes 204, and a conveying mechanism 300 for conveying a mold 300 to perform sequential casting, the casting tubes 204 are set to a working position state and an idle position state, wherein only one casting tube 204 in the working position state has an input end in docking connection with an output end of the liquid storage tank 100, the output end points to a casting port of the mold, the casting tube 204 in the idle position state is used for replacing the casting tube 204 in the working position state and switching itself to the working position state, so that the casting tube 204 in the working position state is switched to the idle position state and the casting tube 204 is discarded to wait for replacement.

Specifically, the liquid storage tank 100 comprises a mounting platform 101, a tank body 102 and a tank cover 103, wherein the tank body 102 is fixedly arranged above the mounting platform 101, the tank body 102 is of a double-layer heat-insulating cylinder structure with an upward opening, the tank cover 103 is in sealing open-close connection and matching with the opening of the tank body 102, a hard output pipe 104 connected and communicated with the tank body 102 is arranged at the bottom of the tank body 102, the axial direction of the output pipe 104 is perpendicular to the axial direction of the tank body 102, a fixed block 105 is connected and arranged at the output end of the output pipe 104, the length direction of the fixed block 105 is horizontally arranged, the width direction is vertically arranged, an output hole 106 and a backflow hole 107 penetrating through the front surface and the rear surface along the thickness direction are formed in the fixed block 105, the output hole 106 and the backflow hole 107 are symmetrically arranged along the width direction parallel, a backflow channel 108 which is arranged obliquely downwards is fixedly arranged on the rear end face of the fixed block 105, the input end of the backflow channel 108 is in butt joint with the backflow hole 107, the output end of the backflow channel 108 points to the collection container, wherein the opening of the output hole 106 on the front end face of the fixed block 105 is connected with the pouring tube 204 in the working position state for extruding molten metal towards the pouring tube 204, the opening of the backflow hole 107 on the front end face of the fixed block 205 is connected with the scrapped pouring tube 204 in the idle position state for receiving residual backflow molten metal of the pouring tube 204, the tank body 102 is pressurized, so that the molten metal in the pouring tube 204 in the working position state is discharged into the pouring tube 204 in the working position state from the output hole 106, the mold is filled and poured by the pouring tube 204 in the working position state, and when the pouring tube 204 in the working position state is changed into the scrapped pouring tube 204 in, the pouring tube 204 is connected with the backflow hole 207, and the backflow hole 207 is matched with the backflow channel 108 to guide the residual molten metal liquid of the pouring tube 204 into the collection container, so that the pollution caused by the falling of the molten metal liquid is avoided.

More specifically, because the tank body 102 and the tank cover 103 filled with molten metal have higher temperature under the action of heat conduction, in order to enable the tank cover 103 to be automatically opened and closed and facilitate an operator to continuously add molten metal into the tank body 102, an annular boss is coaxially arranged at the opening of the tank body 102, an annular groove matched with the boss is arranged on the lower end surface of the tank cover 203, an annular sealing ring is arranged in the groove, the groove is pressed on the boss from top to bottom to enable the tank body 102 and the tank cover 103 to be hermetically connected and matched, the mounting frame 101 is provided with the opening and closing driving mechanism 110 and used for opening the tank cover 103, the opening and closing driving mechanism 110 comprises a square frame 111 which is fixedly connected with the mounting table 101 and is arranged on one side of the tank body 102, the top of the square frame 111 is fixedly provided with the guide sleeve 112, and the axial direction of the, two guide sleeves 112 are arranged in parallel, guide posts 113 are movably sleeved in the guide sleeves 112, the guide posts 113 can slide up and down along the guide sleeves 112, the upper ends of the guide posts 113 extend to the outside of the guide sleeves 112, a fixing sleeve 114 is coaxially and fixedly sleeved at the upper end of one guide post 113, the fixing sleeve 114 is fixedly connected with the tank cover 103, a sliding guide assembly is arranged between one guide post 113 and the guide sleeve 112, the sliding guide assembly comprises a guide groove 115a which penetrates through the guide sleeve 112 from inside to outside and a guide raised head 115b which is fixedly arranged on the outer circular surface of the guide post 113 and movably inserted in the guide groove 115a, the guide raised head 115b can slide along the guide direction of the guide groove 115a, the guide groove 115a comprises a vertical section and an inclined section which are communicated with each other, the vertical section is located below the inclined section, the length of the vertical section is greater than the height of the raised head, the inclined, the guide post 113 is driven to slide upwards firstly to drive the tank cover 103 to move upwards so as to separate the boss from the groove, and then the guide post 113 is driven to rotate upwards by forty-five degrees so as to rotate the tank cover 103 away from the opening of the tank body 102, so that the tank cover 103 is opened.

More specifically, in order to drive the guide post 113 to slide upwards, the opening and closing driving mechanism 110 further includes a lifting block 116, a lifting motor 117 and a first lead screw 118, the lifting block 116 is located above the guide sleeve 112 and rotatably sleeved on the guide post 113, a limit clamp is arranged on the guide post 113 and restrains the lifting plate 116 to slide upwards and downwards along the guide post 113, the lifting motor 117 is fixedly arranged on the square frame 111, the first lead screw 118 is coaxially and fixedly connected with an output shaft of the lifting motor, the first lead screw 118 is located between the two guide sleeves 112 and is parallel to the axial direction of the guide sleeves 112 in the four axial directions, the lifting block 116 is sleeved on the first lead screw 118 and forms threaded connection and matching with the first lead screw 118, the lifting motor 117 drives the guide post 113 to move upwards, under the action of the guide slot 115a, the guide post 113 moves upwards.

During the operation of the opening and closing driving mechanism 110, when molten metal needs to be added or added into the tank body 102, the lifting motor 117 is started, the lifting motor 117 drives the first lead screw 118 to rotate, the first lead screw 118 drives the lifting plate 116 to move upwards and drives the guide post 113 to move upwards synchronously, the guide nose 115b slides upwards along the vertical section of the guide groove 115a, the guide nose 115b slides upwards along the inclined section of the guide groove 115a, so that the guide post 113 slides upwards and then rotates upwards, the fixing sleeve 114 drives the tank cover 103 to move upwards and then rotates around the axial direction of the guide post 113, so that the tank cover 103 is opened, an operator adds or adds molten metal into the tank body 102, the lifting motor 117 is started to rotate backwards in the process of resetting and closing the tank cover 103, the lifting motor 117 drives the guide post 113 to slide downwards along the guide sleeve 112 to reset, so as to drive the tank cover 103 to be in sealing fit with the tank body 102, the inside of can 102 is sealed.

In order to inject air into the tank 102, increase the internal air pressure and extrude molten metal, the mounting table 101 is further provided with a pressurizing mechanism 120 for injecting high-pressure gas into the tank 102, the pressurizing mechanism 120 comprises an air storage tank 121 and an air compressor 122 which are fixedly connected with the mounting table 101, the output end of the air compressor 122 is communicated with the input end of the air storage tank 121, a soft exhaust pipe 124 for communicating the sealed tank 102 and the air storage tank 121 is arranged between the output end of the air storage tank 121 and the upper end surface of the tank cover 103, in order to control the exhaust process and the exhaust amount, an electromagnetic valve 123 for communicating the input end of the exhaust pipe 124 and the output end of the air storage tank 121 is arranged between the input end of the exhaust pipe 124 and the output end of the air storage tank 121, outside air is sucked through the air compressor 122 and is compressed and blown into the air storage tank 121, the gas storage tank 121 is enabled to inject high-pressure gas into the tank body 102, the electromagnetic valve 123 is closed, the gas storage tank 121 is enabled to stop injecting the high-pressure gas into the tank body 102, in the process, the numerical value change of a pressure gauge of the electromagnetic valve 123 can be observed to control the total amount of the gas injected into the tank body 102, and the molten metal in the tank body 102 can be quantitatively extruded.

Specifically, since the outside air is compressed and stored in the air storage tank 121, the temperature difference between the temperature of the outside air and the molten metal is large, if high-pressure gas is directly injected into the tank body 102, the upper liquid level of the molten metal is easily condensed, and the overall fluidity of the molten metal is affected, therefore, the exhaust pipe 124 is sleeved with a heating channel 125 communicated with the exhaust pipe, an energization heating rod 126 is arranged in the heating channel 125, the heating channel 125 is arranged close to the tank cover 103, and the air is heated by the heating rod 126, so that the condensation of the upper liquid level of the molten metal caused by the fact that the air is directly injected into the tank body 102 is avoided.

In the working process of the pressurizing mechanism 120, the air compressor 122 sucks in outside air and compresses and blows the air into the air storage tank 121, when the tank 102 needs to be pressurized, the electromagnetic valve 123 is opened, the air storage tank 121 injects high-pressure air into the tank 102, and the heating rod 126 heats the air injected into the tank 102, in the process, the numerical value change of a pressure gauge of the electromagnetic valve 123 can be observed to control the total amount of the air injected into the tank 102, so that molten metal in the tank 102 can be quantitatively extruded; solenoid valve 123 is closed to stop gas tank 121 from injecting high-pressure gas into tank 102.

In order to be capable of being in butt joint with the output hole 106 and the backflow hole 107 and realizing automatic replacement processing of the pouring tube 204, the liquid discharge butt joint mechanism 200 comprises a rectangular sliding block 201, the length direction of the sliding block 201 is parallel to the length direction of the fixed block 105, the width direction of the sliding block is parallel to the width direction of the fixed block 105, the sliding block 201 is positioned on one side of the front end face of the fixed block 105, the sliding block 201 and the fixed block 105 are close to one end face and are in close fit with each other, the sliding block 201 can slide along the length direction of the fixed block 105, the sliding block 201 is provided with a butt joint hole 202 with the same diameter as the output hole 106, the butt joint hole 202 penetrates back and forth along the thickness direction of the sliding block 201, the butt joint holes 202 are provided with a plurality of parts and are arranged in an array along the length direction of the sliding block 201, the distance between the adjacent two butt joint holes 202 is equal to the distance between the, the pouring tube 204 is in one-to-one correspondence with the abutting hole 202 and is fixedly connected with one end face, away from the fixed block 105, of the sliding block 201, the pouring tube 204 comprises a first vertical section 204a, a second vertical section 204b and a pouring head 204c which are sequentially communicated, the input end of the first vertical section 204a is communicated with the abutting hole 202, in order to avoid the situation that molten metal is automatically discharged from the pouring tube 204 under the action of self gravity and air pressurization is not needed, the height of a bent part, connected with the first vertical section 204a and the second vertical section 204b, of the vertical section 204a is larger than that of the tank body 102, and the sliding block 201 is driven to slide, so that the pouring tube 204 is replaced.

Specifically, in order to guide the sliding of the sliding block 201, guide rods 203a are respectively arranged above and below the upper end surface and the lower end surface of the sliding block 201, the axial direction of the guide rods 203a is parallel to the axial direction of the sliding block 201, the end portions of the guide rods 203a are fixedly arranged on the square frame 111, lugs 203b are fixedly arranged at the middle positions of the upper end surface and the lower end surface of the sliding block 201 along the length direction thereof, the lugs 203b are sleeved on the guide rods 203a and form sliding guide fit along the length direction of the sliding block 201, in order to avoid adhesion between the output hole 106 and the butt-joint hole 202 due to condensation of molten metal, so that the sliding block 201 cannot slide and further cannot follow up and replace the pouring tube 204, the end positions of the sliding block 201 along the length direction thereof are respectively fixedly provided with micro-amplitude vibrators 205, and the vibrators 205 can drive the sliding block 201 to perform micro-amplitude reciprocating vibration along the length direction thereof, and the, the significance of the scheme is that slight reciprocating dislocation is generated between the communicated butt joint hole 202 and the output hole 106/the communicated butt joint hole 202 and the backflow hole 107, the condition that the communicated butt joint hole 202 and the output hole 106/the communicated butt joint hole 202 and the backflow hole 107 are adhered due to condensation of molten metal is avoided, and the sliding block 201 cannot slide is avoided.

More specifically, in order to accurately guide the molten metal discharged from the pouring head 204c into the pouring gate of the mold, an inclined pouring channel 206 is arranged between the pouring head 204c in the working position state and the pouring gate of the mold, the pouring channel 206 is fixedly connected with the mounting table 101, the pouring head 204c points to the input end of the pouring channel 206, the output end of the pouring channel 206 points to the pouring gate of the mold, and the molten metal is injected into the mold through the drainage of the pouring channel 206, so that the molten metal is prevented from splashing and scattering due to the high height difference between the pouring head 204c and the mold.

More specifically, in order to drive the sliding block 201 to slide along the length direction thereof and the sliding distance is equal to the distance between the two adjacent connection holes 202, thereby realizing the replacement of the pouring tube 204, the liquid discharge docking mechanism 200 further comprises a replacement driving member 210 for driving the lug 203b to slide along the guide rod 203a, the replacement driving member 210 comprises two lead screws 211 rotatably disposed on the square frame 111, the two lead screws 211 are provided with two and correspond to the guide rods 203a one-to-one, the two lead screws 211 are sleeved with a sliding sleeve 212 in threaded connection and matching therewith, the sliding sleeve 212 is provided with a limit snap ring 213 along the axial end thereof, the diameter of the snap ring 213 is larger than that of the sliding sleeve 212, the lug 203b is slidably sleeved on the outer circumferential surface of the sliding sleeve 212, the sliding sleeve 212 is movably sleeved with two transmission springs 214, one end of the transmission spring 214 abuts against the snap ring 213, the other end of the transmission spring abuts against the lug 203b, and the elastic force of the transmission, the sliding sleeve 212 is driven to move along the axial direction of the second lead screw 211, the lug 203b is driven to slide along the guide rod 203a, so that the sliding block 201 is driven to slide, and the transmission spring 214 is adopted to transmit the power of the sliding sleeve 212 to the lug 203b, so that the transmission of the power can be completed, and the micro-amplitude vibration of the sliding block 201 cannot be influenced.

More specifically, in order to be able to drive the second lead screw 211 to rotate around its own axial direction, the replacement driving member 210 further includes a driving shaft 215 rotatably disposed on the square frame 111, and the axial direction of the driving shaft 215 is perpendicular to the axial direction of the second lead screw 211, the driving shafts 215 are disposed on the two lead screw and correspond to the second lead screw 211 one by one, the output end of the driving shaft 215 is coaxially and fixedly sleeved with a driving gear first 217a, the driving end of the second lead screw 211 is coaxially and fixedly sleeved with a driven gear first 217b, the driving gear first 217a and the driven gear first 217b are both disposed as bevel gears and are engaged with each other, a belt driving assembly 218 for connecting the two driving shafts 215 is disposed between ends thereof deviating from the output ends thereof, and the belt driving assembly 218 is a synchronous belt driving, in order to be able to drive one of the driving shafts 215 to rotate, the replacement driving member 210 further includes a replacement motor 216 fixedly connected to the square frame 111, and an, follow and trade motor 216 for step motor, follow and trade coaxial fixed cover on the motor 216 output shaft and be equipped with driving gear two 219a, wherein drive shaft 215 is along coaxial fixed cover on its axial middle part position and be equipped with driven gear two 219b, driving gear two 219a and driven gear two 219b all set up bevel gear and both intermeshing, rotate through following trade motor 216 drive lead screw two 211, realize the drive to sliding block 201 to the realization is with trading pouring tube 204.

In the working process of the liquid drainage butting mechanism 200, when the liquid drainage butting mechanism normally works, the vibrator 205 is started, the vibrator 205 enables the sliding block 201 to vibrate slightly along the length direction of the sliding block, the pressurizing mechanism 120 pressurizes air injected into the tank body 102, molten metal flows into the butting hole 202 from the output hole 206 under the action of air pressure, is discharged into the pouring channel 206 through the pouring pipe 204 and is injected into a mold under the guiding action of the pouring channel 206; when the pouring tube 204 needs to be replaced, the pressurizing mechanism 120 stops injecting air into the tank 102 and reduces the air pressure in the tank 102 to the standard atmospheric pressure, then the replacing motor 216 is started, the replacing motor 216 drives the transmission shaft 215 to rotate, the transmission shaft 215 drives the second screw rod 211 to rotate, the sliding sleeve 212 is driven to slide, the sliding sleeve 212 drives the lug 203b to slide along the guide rod 203a, the sliding block 201 slides along the length direction of the fixed block 105, the sliding length is equal to the distance between the two adjacent connecting holes 202, at this time, the pouring tube 204 in the idle position state is switched to the working position state and is in butt joint with the output hole 106, the pouring tube 204 in the working position state is switched to the idle position state and the pouring tube 204 is scrapped, the scrapped pouring tube 204 is in butt joint with the backflow port 207, and residual molten metal in the scrapped pouring tube 204 flows back and passes through the backflow hole 207, the residual molten metal in the scrapped pouring tube 204, The return line channel 108 flows into the collection container, so that automatic replacement of the pouring tubes 204 is realized, and when all the pouring tubes 204 are scrapped, operators can replace the completely new pouring tubes 204 uniformly.

In order to convey the mold to be automatically conveyed below the pouring channel 206 and align the pouring gate with the output end of the pouring channel 206, the output mechanism 300 includes a bracket 301 which is grounded, a driving roller 302 and a driven roller 303 which are axially parallel to each other are fixedly arranged on the bracket 301, a conveying belt 304 which is used for connecting the driving roller 302 and the driven roller 303 and forms a closed loop is arranged between the driving roller 302 and the driven roller 303, the conveying belt 304 is positioned right below the pouring channel 206, a conveying motor 305 is fixedly arranged on the bracket 301, the conveying motor 305 is a stepping motor, the output shaft of the conveying motor 305 is coaxially and fixedly connected with the roller shaft of the driving roller 302, the conveying motor 305 drives the conveying belt 304 to perform intermittent operation, the mold conveying is realized, and the mold and the output end of the pouring channel 206 are aligned one by one.

Conveying mechanism 300 is in the course of the work, and with the mould once only equidistant place on conveyer belt 304, start conveying motor 305, conveying motor 305 will drive and send area 304 to carry out intermittent type formula operation, make the mould align one by one in proper order with the output of pouring passageway 206 to accomplish the pouring to the mould in intermittent type formula moving time gap, the advantage lies in, degree of automation is high, labour saving and time saving.

Claims (4)

1. A liquid storage pot that is used for work piece casting fashioned molten metal liquid, its characterized in that: the device comprises a mounting table, a tank body and a tank cover, wherein the tank body is fixedly arranged above the mounting table, the tank body is of a double-layer heat-insulation cylinder structure with an upward opening, the tank cover is in sealing open-close type connection and matching with the opening of the tank body, a hard output tube which is communicated with the tank body is arranged at the bottom of the tank body, the axial direction of the output tube is vertical to the axial direction of the tank body, the output end of the output tube is communicated with the input end of a pouring tube, the output end of the pouring, an annular boss is coaxially arranged at the opening of the tank body, an annular groove matched with the boss is arranged on the lower end face of the tank cover, an annular sealing ring is arranged in the groove, the groove is tightly pressed on the boss from top to bottom to enable the tank body and the tank cover to be in sealing connection and matching, the mounting table is further provided with a pressurizing mechanism for injecting hot air into the tank body, and the mounting frame is provided with an opening and closing driving mechanism and used for opening the tank cover.

2. The reservoir of molten metal for use in casting a workpiece as defined in claim 1, including: the pressurizing mechanism comprises a gas storage tank and an air compressor which are fixedly connected with the mounting table, the output end of the air compressor is connected and communicated with the input end of the gas storage tank, a soft exhaust pipe used for communicating a sealing tank body with the gas storage tank is arranged between the output end of the gas storage tank and the upper end face of the tank cover, a solenoid valve used for connecting and communicating the sealing tank body and the gas storage tank is arranged between the input end of the exhaust pipe and the output end of the gas storage tank, a heating channel communicated with the exhaust pipe is sleeved on the exhaust pipe, an electrifying heating rod is arranged.

3. The reservoir of molten metal for use in casting a workpiece as defined in claim 1, including: the opening and closing driving mechanism comprises a square frame which is fixedly connected with the mounting table and connected with one side of the tank body, the top of the square frame is fixedly provided with two guide sleeves, the axial direction of each guide sleeve is parallel to the axial direction of the tank body, the guide sleeves are movably sleeved with guide pillars in each guide sleeve, the guide pillars can slide up and down along the guide sleeves, the upper ends of the guide pillars extend to the outer part of each guide sleeve, the upper end of one guide pillar is coaxially and fixedly sleeved with a fixed sleeve, the fixed sleeve is fixedly connected with the tank cover, a sliding guide assembly is arranged between one guide pillar and each guide sleeve, the sliding guide assembly comprises a guide groove which is arranged on the guide sleeve and penetrates through the guide sleeves from inside to outside, a guide raised head which is fixedly arranged on the outer circular surface of each guide pillar and movably inserted in the guide groove, the guide raised head can slide along the guide direction of the guide groove, the inclined section is twisted by forty-five degrees from bottom to top along the outer circular surface of the guide sleeve.

4. A reservoir of molten metal for use in the casting of workpieces as defined in claim 3 wherein: the opening and closing driving mechanism further comprises a lifting block, a lifting motor and a first screw rod, the lifting block is located above the guide sleeves and is rotatably sleeved on the guide pillars, limiting clamps are arranged on the guide pillars and restrict the lifting plate to slide up and down along the guide pillars, the lifting motor is fixedly arranged on the square frame, the first screw rod is coaxially and fixedly connected with an output shaft of the first screw rod, the first screw rod is located between the two guide sleeves and is parallel to the axial direction of the guide sleeves in the four axial direction, and the lifting block is sleeved on the first screw rod and is in threaded connection matching with the first screw.

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