Automatic casting production line for copper alloy valves

Abstract

The invention discloses an automatic casting production line for copper alloy valves, which comprises a main sand box, a first conveying belt, a beater, an air cooler, a storage bin, a stirrer, a molding machine and a second conveying belt which are sequentially connected, and the first conveying belt and the second conveying belt are respectively arranged at the discharging end and the feeding end of the main sand box; the stirring machine comprises a main machine frame, a scattering barrel, a scattering mechanism and a stirring mechanism, a receding cavity, a stirring cavity and a discharging cavity are formed in the main machine frame from top to bottom, the scattering barrel is arranged in the receding cavity in a sliding connection mode, a feeding pipe is arranged at the upper end of the main machine frame and communicates with the upper end of the scattering barrel, and filtering holes are formed in the lower end of the scattering barrel. The scattering mechanism is mounted on the scattering barrel, and the stirring mechanism is arranged in the stirring cavity. Mortar can be fully scattered and stirred during stirring, the stirring effect is enhanced, the mortar is finer and more uniform, and sand mold forming is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of copper alloy valve component casting equipment, and in particular to an automatic casting production line for copper alloy valve components. Background Art

[0002] Copper alloys have been widely used in the field of valve and pipe fittings manufacturing due to their good mechanical properties, wear resistance, corrosion resistance, etc. However, due to the poor hot working properties of copper alloys, the main forming method of copper alloy bars is sand casting. Since the molding materials used in sand casting are cheap and easy to obtain, the casting mold is simple to manufacture, and it can adapt to the single-piece production, batch production and mass production of castings, it has long been the basic process in casting production. Different types of castings and different casting qualities have different requirements for the performance of the molding sand. Different molding methods also have different requirements for the performance of the molding sand. When molding the valve body sand mold, water needs to be added first to mix the sand material to form a mortar, but the traditional mixer does not break up the sand material when stirring it, so it is easy to form a large sand mass during the stirring process, which is not conducive to the molding of the sand mold.

[0003] In view of this, the applicant conducted in-depth research on the above issues, which led to the present case. Summary of the invention

[0004] The main purpose of the present invention is to provide an automated casting production line for copper alloy valve parts, which can fully disperse and stir the mortar during stirring, enhance the stirring effect, make the mortar more delicate and uniform, and facilitate the forming of sand molds.

[0005] In order to achieve the above object, the solution of the present invention is:

[0006] An automated casting production line for copper alloy valve parts comprises a main sand box, a first conveyor belt, a scattering machine, an air cooler, a storage bin, a mixer, a molding machine and a second conveyor belt connected in sequence, wherein the first conveyor belt and the second conveyor belt are respectively arranged at the discharge end and the feed end of the main sand box, the mixer comprises a main frame, a scattering barrel, a scattering mechanism and a stirring mechanism, a yielding cavity, a stirring cavity and a discharge cavity are arranged inside the main frame from top to bottom, the scattering barrel is arranged in the yielding cavity and is slidably connected, a feed pipe is arranged at the upper end of the main frame, the feed pipe is connected to the upper end of the scattering barrel, a filter hole is arranged at the lower end of the scattering barrel, the scattering mechanism is installed on the scattering barrel, and the stirring mechanism is arranged in the stirring cavity.

[0007] Furthermore, the breaking barrel includes an upper barrel body, a lower barrel frame and a filter screen. The upper barrel body and the lower barrel frame are fixedly connected. The filter screen is detachably arranged in the lower barrel frame and connected to the bottom of the lower barrel frame. The upper barrel body is provided with a connecting platform protruding outward, and the inner side wall of the yield cavity is provided with a plurality of abutting bosses. A first shock-absorbing spring is sleeved on the abutting boss, and the upper end of the first shock-absorbing spring abuts against the connecting platform.

[0008] Furthermore, the relinquishing cavity is sealed and connected to the side wall of the breaking bucket via a sealing ring.

[0009] Furthermore, the scattering mechanism includes a scattering motor, a scattering shaft, a scattering sleeve, a scattering roller and a second shock-absorbing spring. The scattering shaft is rotatably connected to the scattering barrel, a spline groove is provided inside the scattering sleeve, and a spline portion matching the spline groove is provided at the lower end of the scattering shaft. The second shock-absorbing spring is arranged in the spline groove and abuts against the lower end of the spline portion. The scattering motor is installed on the main frame, and the motor shaft of the scattering motor is connected to the scattering shaft through a bevel gear transmission. The scattering rollers are evenly distributed at the lower end of the scattering sleeve.

[0010] Furthermore, the upper surface of the filter screen is provided with an upwardly protruding vibration lug, and the side wall of the vibration lug is inclined.

[0011] Furthermore, a water pipe is provided in the mixing chamber, and the water pipe is arranged around the side wall of the give way chamber. A plurality of nozzles are evenly arranged at the lower end of the water pipe, and the water outlet end of the nozzle is inclined toward the inner side of the give way chamber. A water inlet pipe connected to the water pipe is also provided on the frame.

[0012] Furthermore, the stirring mechanism includes a stirring motor, a stirring shaft, a stirring body and a stirring rod. The bottom wall of the stirring chamber is gradually inclined downward toward the inner side. The stirring shaft is rotatably connected in the discharge chamber. The stirring motor is installed on the main frame. The power output end of the stirring motor is connected to the lower end of the stirring shaft. The stirring body includes a disc part, a vertical part, a stirring part and a adapter part. The upper end of the arc-shaped disc forms an arc-shaped groove. The stirring rod is evenly distributed on the arc-shaped groove. The vertical part connects the disc part and the stirring part. The lower surface of the stirring part is in contact with the bottom wall of the stirring chamber. Feed grooves are provided on the vertical part and the stirring part. The adapter part is arranged at the lower end of the disc part, and the adapter part is connected to the upper end of the stirring shaft.

[0013] Furthermore, a guide plate is provided on the side wall of the adapter portion.

[0014] Furthermore, the width of the feed trough gradually increases from the outside to the inside.

[0015] Furthermore, a discharge port is provided at the lower end of the discharge cavity, and a feeding thread is provided on the stirring shaft in the discharge cavity.

[0016] Compared with the prior art, the beneficial effect of the present invention is that it can realize the automated production of copper alloy valve parts and improve production efficiency. At the same time, when the sand material is stirred, the sand material can be fully broken up first, so that the sand material and water are mixed more evenly, the obtained mortar has better fineness, and the obtained sand mold has higher precision, thereby further improving the quality of valve product products. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the appearance structure of the present invention.

[0018] Figure 2 This is a three-dimensional diagram of the mixer's appearance and structure.

[0019] Figure 3 A schematic diagram of the cross-sectional structure of a mixer.

[0020] Figure 4 for Figure 3 A partial enlarged view of area A.

[0021] Figure 5 for Figure 3 A partial enlarged view of area B.

[0022] Figure 6 It is a three-dimensional diagram of the external structure of the stirring body.

[0023] Figure 7 Another stereoscopic diagram of the external structure of the stirring body.

[0024] Figure 8 It is a three-dimensional diagram of the appearance structure of the negative pressure osmosis device.

[0025] Fig. 9 It is a schematic diagram of the cross-sectional structure of the negative pressure osmosis device.

[0026] Fig.10 A schematic diagram of the cross-sectional structure of the drive component.

[0027] Fig.11 A three-dimensional diagram of the appearance and structure of the drive component.

[0028] In the figure: main sand box 11, first conveyor belt 12, scattering machine 13, air cooler 14, storage bin 15, molding machine 16, second conveyor belt 17, main frame 2, give way cavity 21, top boss 211, first damping spring 212, stirring cavity 22, discharge cavity 23, discharge port 231, feed pipe 24, scattering barrel 3, upper barrel body 31, connecting platform 311, lower barrel frame 32, filter screen 33, vibration convex block 331, scattering mechanism 4, scattering motor 41, scattering shaft 42, scattering sleeve 43, keyway 431, scattering roller 44, second damping spring 45, stirring mechanism 5, stirring motor 51, stirring shaft 52, stirring body 53, disc part 531, vertical part 532, stirring part 533, adapter part 534, feed trough 535, guide plate 536, stirring rod 54, water guide pipe 6, Spray head 61, water inlet pipe 62, negative pressure infiltration device 7, locking screw 731, locking gear 732, main gear 733, guide column 734, locking block 735, third spring 736, barrel body 74, upper opening 741, connecting part 742, barrel cover 75, matching part 751, annular embedding groove 7511, first slide groove 7512, second slide groove 7513, third slide groove 7514, fourth slide groove 7515, fifth slide groove 7516, sixth slide groove 7517, seventh slide groove 7518, vacuum pump 76, sealing ring sleeve 77, arc plate 781, guide rod 782, main bracket 783, transmission block 784, driving block 785, driving rod 791, transmission rod 792, upper rack 793, lower rack 794, transmission gear 795, first spring 796, second spring 797. DETAILED DESCRIPTION

[0029] In order to further explain the technical solution of the present invention, the present invention is described in detail below through specific embodiments.

[0030] like Figure 1-11As shown, an automated casting production line for copper alloy valve parts includes a main sand box 11, a first conveyor belt 12, a scattering machine 13, an air cooler 14, a storage bin 15, a mixer, a molding machine 16 and a second conveyor belt 17 connected in sequence. The first conveyor belt 12 and the second conveyor belt 17 are respectively arranged at the discharge end and the feed end of the main sand box 11, wherein the scattering machine 13, the air cooler 14 and the molding machine 16 adopt conventional equipment sold on the market, and no further elaboration is made here. When this assembly line is working, the sand material required for preparing the cavity is first transported to the main sand box 11 for storage, and the sand material is transported to the scattering machine 13 through the first conveyor belt 12. The scattering machine 13 fully scatters the sand material, and the scattered sand material is then transported to the air cooler 14 for air cooling, and then the sand material is transported to the storage bin 15 for storage through the elevator. When preparing the cavity mold, the elevator conveys the sand to the mixer, and the mixer fully mixes the sand and water into mortar. The mortar is then conveyed to the molding machine 16 through a conveyor belt. A base is provided on the second conveyor belt 17. The molding machine 16 presses the mortar on the base to form a cavity mold. When the cavity mold is stepped on the second conveyor belt 17, the casting device introduces the alloy liquid into the cavity mold for molding. After the valve component is formed, the cavity mold is knocked apart and the valve component is removed by a robot or manually.

[0031] In this embodiment, the mixer includes a main frame 2, a dispersing barrel 3, a dispersing mechanism 4 and a stirring mechanism 5. The main frame 2 is provided with a clearance chamber 21, a stirring chamber 22 and a discharging chamber 23 which are connected in sequence from top to bottom. The dispersing barrel 3 is arranged in the clearance chamber 21 and is slidably connected. The upper end of the main frame 2 is provided with a feed pipe 24 which is connected with the upper end of the dispersing barrel 3. The lower end of the dispersing barrel 3 is provided with a filter hole. The dispersing mechanism 4 is installed on the dispersing barrel 3, and the stirring mechanism 5 is arranged in the stirring chamber 22. Specifically, the dispersing barrel 3 includes an upper barrel body 31, a lower barrel frame 32 and a filter screen 33. The upper barrel body 31 and the lower barrel frame 32 are connected by screws. The lower barrel frame 32 is a large grid structure, so as to minimize the influence on the filtering of the filter screen 33. The filter screen 33 is detachably arranged in the lower barrel frame 32 and connected to the bottom of the lower barrel frame 32. The corresponding filter screen 33 can be replaced according to the size of the sand material. The upper barrel body 31 is provided with a connecting platform 311 protruding outward, and the inner side wall of the yielding cavity 21 is provided with a plurality of abutting bosses 211, and a first damping spring 212 is sleeved on the abutting bosses 211. The upper end of the first damping spring 212 abuts against the connecting platform 311, so that the breaking bucket 3 can slide up and down in the yielding cavity 21. In order to avoid leakage, a sealing ring can be provided between the yielding cavity 21 and the side wall of the breaking bucket 3 for sealing and sliding connection.

[0032] In this embodiment, the scattering mechanism 4 includes a scattering motor 41, a scattering shaft 42, a scattering sleeve 43, a scattering roller 44 and a second shock-absorbing spring 45. The scattering shaft 42 is rotatably connected in the scattering barrel 3. A spline groove 431 is provided inside the scattering sleeve 43. The lower end of the scattering shaft 42 is provided with a spline portion that cooperates with the spline groove 431. The second shock-absorbing spring 45 is arranged in the spline groove 431 and abuts against the lower end of the spline portion, so that the scattering shaft 42 can also slide up and down relative to the scattering sleeve 43 when driving the scattering sleeve 43 to rotate. The scattering motor 41 is installed on the main frame 2, and the motor shaft of the scattering motor 41 is connected to the scattering shaft 42 through a bevel gear transmission. The scattering rollers 44 are evenly distributed at the lower end of the scattering sleeve 43. The upper surface of the filter 33 is provided with a vibration lug 331 protruding upward, and the vibration lug 331 is arranged in radially opposite sections, and the number of rows of the vibration lug 331 is a multiple of the scattering roller 44, and the side wall of the vibration lug 331 is inclined. With the above structure, after the sand enters the scattering barrel 3, the scattering motor 41 drives the scattering shaft 42 to drive the scattering sleeve 43 to rotate, thereby driving the scattering roller 44 to continuously rotate in the lower barrel frame 32, and the scattering roller 44 can hit the sand when rotating to scatter the sand. At the same time, the scattering roller 44 is guided and pressed against by the vibrating protrusion 331 when rotating, and the scattering roller 44 is lifted up along the inclined surface of the vibrating protrusion 331, and then lowered by the elastic force of the second shock-absorbing spring 45, so that the scattering roller 44 can vibrate up and down while rotating to crush the sand lumps with larger particles, and the scattering roller 44 can also drive the scattering barrel 3 to vibrate up and down while vibrating up and down, so that the sand materials in the scattering barrel 3 can be fully spread out, which is convenient for the scattering roller 44 to scatter and the filter net 33 to filter.

[0033] In this embodiment, a water pipe 6 is provided in the stirring chamber 22, and the water pipe 6 is arranged around the side wall of the give way chamber 21. A plurality of nozzles 61 are evenly arranged at the lower end of the water pipe 6, and the water outlet end of the nozzle 61 is inclined toward the inner side of the give way chamber 21. A water inlet pipe 62 connected to the water pipe 6 is also provided on the frame. After adopting the above structure, the water supply equipment transports water into the water pipe 6 through the water inlet pipe 62, and then the water is sprayed toward the arc-shaped groove through the nozzle 61. The water sprayed from each nozzle 61 can form a water wall surrounding the lower part of the give way chamber 21, ensuring that the sand material can fully fall onto the stirring body 53, and at the same time, the sprayed water can also be concentrated and accumulated in the arc-shaped groove to be fully stirred and mixed with the sand material.

[0034] In this embodiment, the stirring mechanism 5 includes a stirring motor 51, a stirring shaft 52, a stirring body 53 and a stirring rod 54. The bottom wall of the stirring chamber 22 is gradually inclined downward toward the inner side. The stirring shaft 52 is rotatably connected in the discharge chamber 23. The stirring motor 51 is installed on the main frame 2. The power output end of the stirring motor 51 is connected to the lower end of the stirring shaft 52. The stirring body 53 includes a disc portion 531, a vertical portion 532, a stirring portion 533 and a connecting portion 534. The upper end of the arc-shaped disc forms an arc-shaped groove. The stirring rod 54 is evenly distributed on the arc-shaped groove. The vertical portion 532 connects the disc portion 531 and the stirring portion 533. The lower surface of the stirring portion 533 is in contact with the bottom wall of the stirring chamber 22. A feeding groove 535 is provided on the vertical portion 532 and the stirring portion 533. The width of the feeding groove 535 gradually increases from the outside to the inside, which can slow down the feeding speed of the sand material, thereby making the sand material more fully stirred. The adapter 534 is arranged at the lower end of the disc portion 531, and the adapter 534 is connected to the upper end of the stirring shaft 52. After adopting the above structure, when the sand material falls, the stirring motor 51 first slowly drives the stirring body 53 to rotate, so that the sand material can be accumulated in the arc groove, and is fully mixed under the stirring of the stirring rod 54, and then the stirring motor 51 accelerates to drive the stirring body 53 to rotate, and the mixed burning material and water in the arc groove are thrown out to the bottom of the stirring chamber 22 by centrifugal force. During the rotation of the stirring body 53, the stirring part 533 can continue to stir the sand material in the stirring chamber 22, and then the sand material enters the stirring body 53 from the feed trough 535 and gradually flows toward the center, and finally is guided to the discharge chamber 23 through the guide plate 536. A discharge port 231 is provided at the lower end of the discharge chamber 23 , and a feeding thread 521 is provided on the stirring shaft 52 in the discharge chamber 23 . The stirring motor 51 drives the stirring shaft 52 to rotate, stirs and conveys the mortar in the discharge chamber 23 , and finally discharges the mortar from the discharge port 231 .

[0035] When the mixer is working, the sand material is first transported to the scattering barrel 3, and the scattering motor 41 drives the scattering shaft 42 to drive the scattering sleeve 43 to rotate, thereby driving the scattering roller 44 to rotate continuously in the lower barrel frame 32. The scattering roller 44 can hit the sand material when rotating to scatter the sand material. At the same time, the scattering roller 44 is guided and supported by the vibration protrusion 331 when rotating, and the scattering roller 44 rises and is lifted along the inclined surface of the vibration protrusion 331, and then it is lowered by the elastic force of the second damping spring 45, so that the scattering roller 44 can vibrate up and down while rotating to crush the sand blocks with larger particles, and the scattering roller 44 can also drive the scattering barrel 3 to vibrate up and down while vibrating up and down, so that the sand material in the scattering barrel 3 can be fully spread out, which is convenient for the scattering roller 44 to scatter and the filter 33 to filter. The filtered sand material falls downward, and the nozzle 61 starts to spray water. The stirring motor 51 first slowly drives the stirring body 53 to rotate, so that the sand material can be accumulated in the arc groove and fully mixed under the stirring of the stirring rod 54. Then the stirring motor 51 accelerates to drive the stirring body 53 to rotate, and the mixed burning material and water in the arc groove are thrown out to the bottom of the stirring chamber 22 by centrifugal force. During the rotation of the stirring body 53, the stirring part 533 can continue to stir the sand material in the stirring chamber 22. After that, the sand material enters the stirring body 53 from the feed trough 535 and gradually flows toward the center, and finally guides it to the discharge chamber 23 through the guide plate 536. The stirring motor 51 drives the stirring shaft 52 to rotate, stirs and transports the mortar in the discharge chamber 23, and finally discharges the mortar from the discharge port 231.

[0036] In order to make the density of the valve product better and further improve the product quality, the present invention further provides a negative pressure infiltration device 7 on the side wall of the second conveyor belt 17. The negative pressure infiltration device 7 includes a barrel body 74, a barrel cover 75 and a vacuum pump 76. The barrel body 74 is provided with an upper opening 741. The lower end of the barrel cover 75 is provided with a matching portion 751. A sealing ring sleeve 77 is sleeved on the outer side of the matching portion 751. A driving component for pushing the sealing ring sleeve 77 outward is provided inside the matching portion 751. A locking component is provided on the upper end of the barrel cover 75. The vacuum pump 76 is connected to the inside of the barrel body 74. The vacuum pump 76 adopts existing equipment conventionally sold on the market. The vacuum pump 76 can extract the gas inside the barrel body 74 to form a vacuum negative pressure state inside the barrel body 74. The side wall of the upper opening 741 and the outer wall of the matching part 751 are gradually inclined inward from top to bottom, so that the matching part 751 is truncated. The side wall of the matching part 751 is provided with an annular groove 7511, and the sealing ring sleeve 77 is embedded in the annular groove 7511. The sealing ring sleeve 77 fully seals the opening.

[0037] In this embodiment, the driving assembly includes an arc plate 781, a guide rod 782, a main bracket 783, a transmission block 784, a driving block 785 and a transmission mechanism. The main bracket 783 is fixedly connected to the matching portion 751. The matching portion 751 is provided with a first slide groove 7512 connected to the annular embedded groove 7511. The upper end of the first slide groove 7512 is provided with a second slide groove 7513. The outer wall of the matching portion 751 is provided with a third slide groove 7514 above the annular embedded groove 7511. The arc plate 781 is provided at the first slide groove 7514. The guide rod 782 slides in a slide groove 7512, one end of the guide rod 782 is connected to the arc plate 781 and the other end is slidably connected to the main bracket 783, the transmission block 784 is arranged in the second slide groove 7513 to slide, the driving block 785 is arranged in the third slide groove 7514 to slide, and the outer side of the driving block 785 is provided with an arc-shaped inclined surface that cooperates with the side wall of the upper opening 741. The transmission mechanism is connected to the driving block 785 and the driving block 784. When the driving block 785 moves horizontally, the transmission mechanism drives the driving block 784 to perform reverse translational movement. Specifically, the transmission mechanism includes a driving rod 791, a transmission rod 792, an upper rack 793, a lower rack 794 and a transmission gear 795. The front end of the driving rod 791 is connected to the driving block 785, the rear end of the driving rod 791 is connected to the upper rack 793, the front end of the transmission rod 792 is connected to the transmission block 784, the rear end of the transmission block 784 is connected to the lower rack 794, the transmission gear 795 is rotatably connected in the matching part 751, the upper rack 793 and the lower rack 794 are meshed with the transmission gear 795 for transmission, and the matching part 751 is provided with a fourth slide groove 7515 for the upper rack 793 to slide and a fifth slide groove 7516 for the lower rack 794 to slide. The transmission mechanism also includes a first spring 796 and a second spring 797. The first spring 796 is sleeved on the driving rod 791, and the driving rod 791 is provided with a first baffle that abuts against the first spring 796. The second spring 797 is sleeved on the transmission rod 792, and the transmission rod 792 is provided with a second baffle that abuts against the second spring 797. The matching part 751 is provided with a sixth slide groove 7517 for accommodating the first spring 796 and a seventh slide groove 7518 for accommodating the second spring 797.

[0038] After adopting the above structure, when the barrel cover 75 is opened, the driving rod 791 pushes against the driving block 785 and moves outward under the elastic force of the first spring 796, and the transmission rod 792 drives the transmission block 784 to move inward under the elastic force of the second spring 797. At this time, the transmission block 784 is separated from the arc plate 781, and the arc plate 781 slides inward under the elastic force of the sealing ring sleeve 77. When the barrel cover 75 is matched with the barrel body 74, the driving block 785 cooperates with the upper opening 741 to move inward, so that the driving rod 791 and the upper rack 793 are translated inward, and the upper rack 793 is transmitted through the transmission gear 795 during the translation process, driving the lower rack 794 and the transmission rod 792 to move outward, thereby driving the transmission block 784 to move outward, and the end of the transmission block 784 abuts against the inner wall of the arc plate 781 and pushes the arc plate 781 to translate outward, so that the arc plate 781 moves outward to tightly abut the sealing ring 77 against the side wall of the upper opening 741, further improving the sealing effect of the sealing ring 77 on the barrel body 74. When the barrel cover 75 is separated from the barrel body 74, under the elastic force of the first spring 796 and the second spring 797, the driving block 785 and the transmission block 784 return to the initial position.

[0039] In this embodiment, the locking assembly includes a locking screw 731, a locking gear 732, a main gear 733, a guide column 734 and a locking block 735. The upper end of the barrel body 74 is provided with a connecting portion 742. The locking screw 731 is rotatably connected to the barrel cover 75. The lower end of the locking screw 731 passes through the barrel cover 75 and the connecting portion 742. The locking gear 732 is fixedly connected to the upper end of the locking gear 732. The main gear 733 is rotatably connected to the barrel cover 75. The main gear 733 is meshed with the locking gear 732 for transmission. The guide column 734 is fixedly connected to the lower end of the barrel cover 75. One end of the locking block 735 is slidably connected to the guide column 734, and the other end of the locking block 735 is threadedly connected to the locking screw 731. A limit plate is provided at the lower end of the guide column 734, and a third spring 736 is sleeved on the guide column 734. One end of the third spring 736 abuts against the limit plate and the other end abuts against the locking block 735. The third spring 736 can abut against the locking block 735 close to the connecting portion 742. A handle is provided on the locking gear 732. When locking the barrel cover 75, the main gear 733 is driven to rotate by rotating the handle, and the main gear 733 rotates to drive the locking gear 732 and the locking screw 731 to rotate. When the locking screw 731 rotates, it drives the locking block 735 to move upward to press the connecting portion 742, thereby achieving sealing and locking of the barrel cover 75, making the locking operation more convenient and quick, and making the force on the barrel cover 75 more uniform.

[0040] The above embodiments and drawings do not limit the product form and style of the present invention. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present invention.

Claims

1. An automated casting production line for copper alloy valve parts, characterized in that: It includes a main sand box, a first conveyor belt, a scattering machine, an air cooler, a storage bin, a mixer, a molding machine and a second conveyor belt connected in sequence. The first conveyor belt and the second conveyor belt are respectively arranged at the discharge end and the feed end of the main sand box. The mixer includes a main frame, a scattering barrel, a scattering mechanism and a stirring mechanism. The main frame is provided with a makeshift chamber, a stirring chamber and a discharge chamber from top to bottom. The scattering barrel is arranged in the makeshift chamber and is slidably connected. The upper end of the main frame is provided with a feed pipe, which is connected to the upper end of the scattering barrel. The lower end of the scattering barrel is provided with a filter hole. The scattering mechanism is installed on the scattering barrel, and the stirring mechanism is arranged in the stirring chamber.

2. The copper alloy valve parts automated casting production line according to claim 1, characterized in that: The breaking barrel includes an upper barrel body, a lower barrel frame and a filter screen. The upper barrel body and the lower barrel frame are fixedly connected. The filter screen is detachably arranged in the lower barrel frame and connected to the bottom of the lower barrel frame. The upper barrel body is provided with a connecting platform protruding outward, and the inner side wall of the yield cavity is provided with a plurality of abutting bosses. A first damping spring is sleeved on the abutting boss, and the upper end of the first damping spring abuts against the connecting platform.

3. The copper alloy valve parts automated casting production line according to claim 2, characterized in that: The relinquishing chamber is sealed and connected to the side wall of the breaking bucket via a sealing ring.

4. The copper alloy valve parts automated casting production line according to claim 2, characterized in that: The scattering mechanism includes a scattering motor, a scattering shaft, a scattering sleeve, a scattering roller and a second shock-absorbing spring. The scattering shaft is rotatably connected to the scattering barrel. A spline groove is provided inside the scattering sleeve. The lower end of the scattering shaft is provided with a spline part that cooperates with the spline groove. The second shock-absorbing spring is arranged in the spline groove and abuts against the lower end of the spline part. The scattering motor is installed on the main frame. The motor shaft of the scattering motor is connected to the scattering shaft through a bevel gear transmission. The scattering rollers are evenly distributed at the lower end of the scattering sleeve.

5. The copper alloy valve parts automated casting production line according to claim 4, characterized in that: The upper surface of the filter screen is provided with a vibration protrusion protruding upward, and the side wall of the vibration protrusion is inclined.

6. The copper alloy valve parts automated casting production line according to claim 1, characterized in that: A water pipe is arranged in the mixing chamber, the water pipe is arranged around the side wall of the give way chamber, a plurality of nozzles are evenly arranged at the lower end of the water pipe, the water outlet end of the nozzle is inclined toward the inner side of the give way chamber, and a water inlet pipe connected to the water pipe is also arranged on the frame.

7. The automatic casting production line for copper alloy valve parts according to claim 1, characterized in that: The stirring mechanism includes a stirring motor, a stirring shaft, a stirring body and a stirring rod. The bottom wall of the stirring chamber is gradually inclined downward toward the inner side. The stirring shaft is rotatably connected in the discharge chamber. The stirring motor is installed on the main frame. The power output end of the stirring motor is connected to the lower end of the stirring shaft. The stirring body includes a disc part, a vertical part, a stirring part and a connecting part. The upper end of the arc-shaped disc forms an arc-shaped groove. The stirring rod is evenly distributed on the arc-shaped groove. The vertical part connects the disc part and the stirring part. The lower surface of the stirring part is in contact with the bottom wall of the stirring chamber. Feed grooves are provided on the vertical part and the stirring part. The connecting part is arranged at the lower end of the disc part, and the connecting part is connected to the upper end of the stirring shaft.

8. The copper alloy valve parts automated casting production line according to claim 7, characterized in that: A guide plate is provided on the side wall of the adapter portion.

9. The copper alloy valve parts automatic casting production line according to claim 8, characterized in that: The width of the feed trough gradually increases from outside to inside.

10. The copper alloy valve parts automatic casting production line according to claim 9, characterized in that: The lower end of the discharge cavity is provided with a discharge port, and the stirring shaft is provided with a feeding thread in the discharge cavity.

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