Automatic maintenance and storage system for small and medium-sized molds in investment casting

Abstract

The utility model provides an automatic maintenance and storage system for small and medium-sized investment casting molds. The automatic maintenance and storage system comprises a mold warehouse, the RGV trolley is used for going in and out of the mold warehouse; the frame body is fixedly installed on the top face of the RGV trolley, and the interior of the frame body is divided into two groove bodies through a partition plate, and the two groove bodies are used for containing molds; the two groove bodies are each provided with a cleaning module. And the heating wire is arranged on the wall of the tank body so as to heat the inside of the tank body. The dies are automatically conveyed into and out of the die warehouse through the RGV, convenience is provided for storing and taking the dies, and the taking and placing efficiency is improved; and meanwhile, through arrangement of a heating wire and a cleaning module, residual low-temperature wax in the mold can be removed, and cleaning and maintenance are conducted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of investment casting, in particular to small and medium-sized mould automatic maintenance and storage system in investment casting. BACKGROUND

[0002] Investment casting, also known as lost wax casting or precision casting, refers to using a material (such as wax) that melts easily to make a model, wrapping several layers of refractory coating (such as clay, binder, etc.) on the surface of the model to make a mold shell, and then melting the model to remove the mold shell, thereby obtaining a mold without parting surface. In the investment casting process, small and medium-sized molds are widely used.

[0003] However, the mold will leave low-temperature wax after use, which may affect the accuracy of the mold and the effect of the next use. At the same time, the traditional mold storage and retrieval method is inefficient and cannot meet the high efficiency demand of modern casting production. UTILITY MODEL CONTENT

[0004] The utility model discloses a small and medium-sized mould automatic maintenance and storage system in investment casting to solve the technical problem that the mold will leave low-temperature wax after use and the low efficiency of taking and placing.

[0005] The utility model discloses a small and medium-sized mould automatic maintenance and storage system in investment casting to solve the technical problem that the mold will leave low-temperature wax after use and the low efficiency of taking and placing.

[0006] The utility model provides a small and medium-sized mould automatic maintenance and storage system in investment casting, including mould warehouse, still include: RGV trolley, RGV trolley is used for going in and out mould warehouse, frame body, frame body fixed mounting to the top surface of RGV trolley, and frame body is separated into two grooves for placing mould through the partition in frame body, two The groove all is provided with cleaning module, heating wire, the groove wall is provided with heating wire, to heat in the groove.

[0007] In the technical scheme, the RGV trolley automatically transports the mold into and out of the mold warehouse, providing convenience for mold storage and retrieval, and improving the taking and placing efficiency. At the same time, through the setting of the heating wire and the cleaning module, the residual low-temperature wax in the mold can be removed and cleaned.

[0008] Preferably, it further comprises a track, the track passes through the entrance provided on one side of the mold warehouse, and the track extends into the mold warehouse; the RGV trolley is arranged on the track.

[0009] In the technical scheme, the track extends into the mold warehouse, and the track is laid in the workshop. The RGV trolley walks on the track to transport the mold between the two sites.

[0010] Preferably, the bottom of the groove body is provided with a platform, the top plane of the platform is placed with the mold, and the side of the platform away from the partition plate is provided with a slope surface, the lower sides of the two sides of the frame body are each provided with a valve, and the valve is connected with a liquid discharge pipe.

[0011] In the technical solution, the platform is used to place the mold, and after the low-temperature wax in the mold is melted, the wax liquid is conveniently collected downward through the slope surface; by opening the valve, the wax liquid can be discharged through the liquid discharge pipe.

[0012] Preferably, the number of heating wires is several, and the several heating wires are uniformly distributed in the partition plate, the top plane of the platform and the slope surface of the platform.

[0013] In the technical solution, the heating wires on the partition plate and the top plane of the platform are used to heat the mold to melt the low-temperature wax in the mold, and the heating wires in the slope surface of the platform are used to keep the melted wax liquid in a liquid state.

[0014] Preferably, the front and rear sides of the groove body are respectively provided with a fixed pressing plate and a movable pressing plate, the movable pressing plate is connected with a second electric hydraulic rod fixedly installed on the back of the frame body, and the fixed pressing plate is fixedly installed on the inner wall of the front of the frame body.

[0015] In the technical solution, the second electric hydraulic rod, the movable pressing plate and the fixed pressing plate are provided to provide clamping and fixing for the mold in the groove body, thereby ensuring the stability of transportation.

[0016] Preferably, the cleaning module comprises a fixed frame, a vertical electric push rod and a guide column, the fixed frame is fixedly installed on the top of the frame body, the electric push rod is fixedly installed on the fixed frame, the output end of the electric push rod is fixedly connected with a movable frame, the movable frame is fixedly connected with the guide column, the guide column is gap-fit connected with a guide hole formed in the fixed frame, a horizontal first electric hydraulic rod is fixedly connected to the movable frame, and a cleaning part is connected to the output end of the first electric hydraulic rod.

[0017] In the technical solution, the electric push rod is used to drive the cleaning part to move up and down, and the first electric hydraulic rod is used to make the roller brush enter or leave the mold cavity.

[0018] Preferably, the cleaning part comprises a carrier, a roller brush and a motor, the carrier is fixedly connected to the output end of the first electric hydraulic rod, the roller brush is rotatably installed in the carrier, the motor is fixedly installed at one end of the carrier, and the output shaft end of the motor is fixedly connected with the end portion of the roller brush.

[0019] In the technical solution, the cleaning part is downwardly brushed by the roller brush.

[0020] Preferably, the carrier is fixedly installed with a mounting plate, the mounting plate is fixedly installed with a hot air machine, an air outlet of the hot air machine is fixedly communicated with a second pipe body, the second pipe body is fixedly communicated with a first pipe body, the first pipe body is fixedly installed on the top of the carrier, and the first pipe body is installed with a plurality of nozzles along the length direction.

[0021] In the technical solution, the hot air machine generates a high-temperature hot air flow, the high-temperature hot air flow is sprayed out through the nozzles, and the low-temperature wax on the mold is cleaned through evaporation and brushing.

[0022] Preferably, one side of the top of the frame body is provided with an RFID radio frequency tag, the RFID radio frequency tag is fixedly connected with a connecting frame, the connecting frame is fixedly connected with the top end of the electric push rod of the cleaning module, and the entrance of the mold warehouse is provided with an identification antenna.

[0023] In the technical solution, the RFID radio frequency tag and the identification antenna are used for identifying mold information during the process of entering and leaving the mold warehouse.

[0024] Preferably, the outer wall of the frame body and the mold warehouse are respectively provided with a control cabinet and a main control box, the control cabinet is provided with a first controller, an editor and a first wireless module, the main control box is provided with a second controller and a second wireless module, the first controller is connected with the second controller through the first wireless module and the second wireless module, the second controller is connected with the identification antenna, the first controller is connected with the RFID radio frequency tag through the editor, the slot wall of the frame body is provided with a temperature sensor, and the first controller is electrically connected with an RGV trolley, a heating wire, the temperature sensor, a second electric hydraulic rod, an electric push rod, a first electric hydraulic rod, a motor and a hot air machine.

[0025] In the technical solution, the control cabinet is used for providing control for the RGV trolley and elements thereon, the main control box is used for controlling the whole system, the main control box and the control cabinet are connected through wireless connection to perform signal transmission.

[0026] On the basis of conforming to the common sense in the art, the above-mentioned preferred conditions can be combined arbitrarily, that is, the preferred examples of the utility model are obtained.

[0027] The positive progress effect of the utility model is that:

[0028] The automatic maintenance and storage system for small and medium-sized molds in investment casting is characterized in that an RGV trolley is arranged, and a groove is formed on the top surface of the RGV trolley through a frame and a partition plate, so that the mold is automatically transported, and the mold is placed and taken without manual carrying, thereby improving the efficiency of storage and taking; further, a cleaning module and a heating wire are arranged at the groove, the heating wire can provide heating for the mold, so that the residual low-temperature wax in the mold is melted and flows into the lower part of the groove, and the low-temperature wax that is not melted is cleaned by the cleaning module, then hot air generated by a subsequent air heater is blown to the mold through a nozzle, so that high-temperature gas is provided to evaporate the residual melted wax on the surface of the mold after cleaning, and the cleaning effect of the residual low-temperature wax in the mold is ensured through the above-mentioned three steps of cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a whole structure schematic view of the utility model.

[0030] Figure 2 It is a structure schematic view of the RGV trolley, the cleaning module and the frame of the utility model.

[0031] Figure 3 It is a structure schematic view of the cleaning module of the utility model.

[0032] Figure 4 It is a structure schematic view of the upper part of the carrier of the utility model.

[0033] Figure 5 It is a structure schematic view of the inside of the frame of the utility model.

[0034] Figure 6 It is a top view structure schematic view of the frame of the utility model.

[0035] Figure 7 It is a working principle diagram of the utility model.

[0036] BRIEF DESCRIPTION OF DRAWINGS

[0037] 1, mold warehouse; 101, entrance;

[0038] 2, track;

[0039] 3, RGV trolley;

[0040] 4, cleaning module; 401, fixed frame; 402, electric push rod; 403, movable frame; 404, guide column; 405, guide hole; 406, first electric hydraulic rod; 407, carrier; 408, rolling brush; 409, motor; 410, mounting plate; 411, air heater; 412, nozzle; 413, first pipe body; 414, second pipe body;

[0041] 5. Frame; 501. Partition; 502. Tank; 503. Drain pipe; 504. Platform; 505. Valve;

[0042] 6. Control cabinet; 601. First controller; 602. Editor; 603. First wireless module;

[0043] 7. RFID radio frequency tags; 701. Connecting frame;

[0044] 8. Identify the antenna;

[0045] 9. Main control box; 901. Second controller; 902. Second wireless module;

[0046] 10. Heating wire;

[0047] 11. Temperature sensor;

[0048] 12. Second electro-hydraulic rod;

[0049] 13. Movable pressure plate;

[0050] 14. Fix the pressure plate;

[0051] 15. Mold; 1501. Mold cavity. Detailed Implementation

[0052] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described herein.

[0053] like Figures 1-7 As shown, the automatic maintenance and storage system for small and medium-sized molds in investment casting includes a mold warehouse 1; it also includes: an RGV trolley 3, which is used to enter and exit the mold warehouse 1; a frame 5, which is fixedly installed on the top surface of the RGV trolley 3, and the frame 5 is divided into two troughs 502 for placing molds 15 by a partition 501; both troughs 502 are equipped with cleaning modules 4; and heating wires 10 are provided on the walls of the troughs 502 for heating the inside of the troughs 502.

[0054] like Figures 1-2 As shown, as a specific technical solution, it also includes a track 2, which passes through the entrance 101 located on one side of the mold warehouse 1 and extends into the mold warehouse 1; the RGV trolley 3 is mounted on the track 2.

[0055] As mentioned above, the track 2 and the RGV trolley 3 already have a variety of complete technical means in the existing technology, such as CN113013691B a power supply device for the RGV trolley 3, which will not be described in detail here.

[0056] The track 2 is laid into the mold warehouse 1 and the workshop, and the mold 15 is automatically transported in the two places, and is convenient to store and take.

[0057] In specific implementation, the RGV trolley 3 and the structure thereon are multiple, and are used for carrying different molds 15.

[0058] As shown in Figure 5 As a specific technical solution, the bottom of the groove body 502 is provided with a table body 504, the top plane of the table body 504 places the mold 15, and the side of the table body 504 away from the partition plate 501 is provided with an inclined plane, the lower sides of the two sides of the frame body 5 are both provided with a valve 505, and the valve 505 is connected with a liquid discharge pipe 503.

[0059] The number of the heating wires 10 is several, and the several heating wires 10 are uniformly distributed into the top plane of the partition plate 501 and the table body 504 and the inclined plane of the table body 504.

[0060] After the mold 15 is used, it is placed in the groove body 502 and on the top plane of the table body 504, the mold 15 is clamped against the side wall of the partition plate 501, and the mold cavity 1501 of the mold 15 is heated by the heating wire 10, so that the low-temperature wax in the mold cavity 1501 is melted, and after melting, the wax liquid is gathered and flows to the inclined plane, the heating wire 10 at the position of the inclined plane is used to heat the melted wax liquid, and the melted wax liquid is kept in liquid state. During maintenance, the valve 505 is opened, and the wax liquid can be discharged through the liquid discharge pipe 503.

[0061] In specific implementation, in order to avoid the wax liquid from being solidified in the liquid discharge pipe 503, a heating wire 10 can be additionally arranged in the liquid discharge pipe 503.

[0062] Preferably, the heating wire 10 is an electric heating wire 10.

[0063] As shown in Figure 6 As a specific technical solution, the front and rear sides of the groove body 502 are respectively provided with a fixed pressing plate 14 and a movable pressing plate 13, the movable pressing plate 13 is connected with a second electric hydraulic rod 12 fixedly installed on the back of the frame body 5, and the fixed pressing plate 14 is fixedly installed on the inner wall of the front of the frame body 5.

[0064] The mold 15 is placed in the groove body 502, the movable pressing plate 13 is pressed against the side wall of the mold 15 by the second electric hydraulic rod 12, and the fixed pressing plate 14 is used to clamp and fix the mold 15, so as to ensure the stability of the mold 15 during transportation.

[0065] As shown in Figures 3-6As shown, the cleaning module 4 comprises a fixed frame 401, a vertical electric push rod 402 and a guide column 404; the fixed frame 401 is fixedly installed on the top of the frame body 5, the electric push rod 402 is fixedly installed on the fixed frame 401, the output end of the electric push rod 402 is fixedly connected with a movable frame 403, the movable frame 403 is fixedly connected with the guide column 404, the guide column 404 is connected with a guide hole 405 formed in the fixed frame 401 in a clearance fit, a transverse first electric hydraulic rod 406 is fixedly connected with the movable frame 403, and a cleaning part is connected with the output end of the first electric hydraulic rod 406.

[0066] The cleaning part comprises a carrier 407, a rolling brush 408 and a motor 409, the carrier 407 is fixedly connected with the output end of the first electric hydraulic rod 406, the rolling brush 408 is rotatably installed in the carrier 407, and the motor 409 is fixedly installed on one end of the carrier 407 and the output shaft end of the motor 409 is fixedly connected with the end of the rolling brush 408.

[0067] The carrier 407 is fixedly installed with a mounting plate 410, the mounting plate 410 is fixedly installed with a hot air machine 411, the air outlet of the hot air machine 411 is fixedly communicated with a second pipe body 414, the second pipe body 414 is fixedly communicated with a first pipe body 413, the first pipe body 413 is fixedly installed on the top of the carrier 407, and a plurality of nozzles 412 are installed on the first pipe body 413 along the length direction.

[0068] After the mold 15 is heated, the cleaning module 4 performs cleaning treatment in the mold cavity 1501; the specific operation is as follows: the first electric hydraulic rod 406 is elongated to drive the bristles of the rolling brush 408 into the mold cavity 1501, the motor 409 drives the rolling brush 408 to rotate, the rolling brush 408 performs brushing, the electric push rod 402 drives the movable frame 403 to move downward, and the melting and loosened low-temperature wax is brushed away downward by the rolling brush 408.

[0069] Further, the hot air machine 411 generates hot air, which is guided through the first pipe body 413 and the second pipe body 414 and sprayed through the nozzles 412, so as to spray high-temperature gas into the mold cavity 1501, cooperate with the heating wire 10 to heat the mold 15, so that the part of the wax liquid attached to the wall of the mold cavity 1501 after brushing is evaporated and gasified.

[0070] After the above cleaning, the cleaning efficiency of the residual low-temperature wax in the mold cavity 1501 is ensured.

[0071] In specific implementation, in order to ensure the temperature of the gas sprayed by the nozzles 412, heating rods can be added in the nozzles 412, the first pipe body 413 and the second pipe body 414 to heat and warm up the gas.

[0072] As Figure 1 andFigure 7 As shown, the frame 5 is provided with an RFID radio frequency tag 7 at the top of one side, the RFID radio frequency tag 7 is fixedly connected with a connecting frame 701, the connecting frame 701 is fixedly connected with the top end of the electric push rod 402 of the cleaning module 4; the entrance 101 of the mold warehouse 1 is provided with an identification antenna 8.

[0073] The outer wall of the frame 5 and the mold warehouse 1 are respectively provided with a control cabinet 6 and a main control box 9; the control cabinet 6 is provided with a first controller 601, an editor 602 and a first wireless module 603, the main control box 9 is provided with a second controller 901 and a second wireless module 902, the first controller 601 and the second controller 901 are connected through the first wireless module 603 and the second wireless module 902, the second controller 901 is connected with the identification antenna 8, the first controller 601 is connected with the RFID radio frequency tag 7 through the editor 602; the wall of the groove 502 of the frame 5 is provided with a temperature sensor 11; the first controller 601 is electrically connected with the RGV trolley 3, the heating wire 10, the temperature sensor 11, the second electric hydraulic rod 12, the electric push rod 402, the first electric hydraulic rod 406, the motor 409 and the air heater 411.

[0074] The whole system is controlled through the main control box 9, in specific implementation, a touch screen can be provided at the position of the identification antenna 8 to provide control.

[0075] The first controller 601 and the second controller 901 are wirelessly connected through the first wireless module 603 and the second wireless module 902 for wireless signal transmission.

[0076] The model and the number of uses of the mold 15 are stored in the RFID radio frequency tag 7, when the mold 15 moves below the identification antenna 8, the identification is performed, and the basic information of the mold 15 is displayed through the touch screen to understand the basic information of the mold 15.

[0077] The editor 602 is provided, after the mold 15 is used once, the editor 602 is used to adjust the information stored in the RFID radio frequency tag 7, that is, the number of uses is increased by one. The specific editing is realized by manually controlling the touch screen.

[0078] The temperature sensor 11 is used for real-time sensing of the temperature in the groove 502, the sensing signal is transmitted to the first controller 601, when the temperature reaches the upper limit preset in the first controller 601, the heating wire 10 stops heating, and when the temperature is lower than the lower limit, the heating is performed again to realize heating control.

[0079] The utility model is not limited to the above-mentioned embodiment, no matter makes any change in its shape or structure, all falls in the protection scope of the utility model. The protection scope of the utility model is defined by the appended claims, and the skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the utility model, but these changes and modifications all fall into the protection scope of the utility model.

Claims

1. An automatic maintenance and storage system for small and medium-sized molds in investment casting, comprising a mold warehouse (1); characterized in that, Also include: RGV trolley (3), the RGV trolley (3) is used to go in and out the mold warehouse (1); Frame (5), the frame (5) is fixedly installed to the top surface of the RGV trolley (3), and the frame (5) is divided into two grooves (502) for placing molds (15) by the partition (501) in the frame (5);Two groove (502) are provided with cleaning module (4); Heating wire (10), the groove (502) wall is provided with heating wire (10), to heat in the groove (502).

2. The system for automatic maintenance and storage of small and medium-sized molds for investment casting according to claim 1, characterized in that: Also include track (2), the track (2) passes through the entrance (101) provided on one side of the mold warehouse (1), and the track (2) extends into the mold warehouse (1);The RGV trolley (3) is arranged on the track (2).

3. The system for automatic maintenance and storage of small and medium-sized molds for investment casting according to claim 1, characterized in that: The bottom of the groove (502) is provided with a table body (504), the top plane of the table body (504) places the mold (15), and the side away from the partition (501) of the table body (504) is provided with an inclined surface, and the valve (505) is installed below the two sides of the frame (5), and the valve (505) is connected with the drain pipe (503).

4. The system for automatic maintenance and storage of small and medium-sized molds for investment casting according to claim 1, characterized in that: The number of heating wires (10) is several, and the several heating wires (10) are uniformly distributed into the partition (501), the top plane of the table body (504) and the inclined surface of the table body (504).

5. The system for automatic handling and storage of small and medium size patterns for investment casting according to claim 1, characterized in that: The front and rear sides of the groove (502) are respectively provided with a fixed pressing plate (14) and a movable pressing plate (13), the movable pressing plate (13) is connected with the second electric hydraulic rod (12) fixedly installed on the back of the frame (5), and the fixed pressing plate (14) is fixedly installed on the inner wall of the front of the frame (5).

6. The system for automatic handling and storage of small and medium size patterns for investment casting according to claim 1, characterized in that: The cleaning module (4) includes a fixed frame (401), a vertical electric push rod (402) and a guide column (404);The fixed frame (401) is fixedly installed on the top of the frame (5), the electric push rod (402) is fixedly installed on the fixed frame (401), the output end of the electric push rod (402) is fixedly connected with a movable frame (403), the movable frame (403) is fixedly connected with a guide column (404), the guide column (404) is connected with a guide hole (405) formed in the fixed frame (401) in clearance fit, a transverse first electric hydraulic rod (406) is fixedly connected with the movable frame (403), and the output end of the first electric hydraulic rod (406) is connected with a cleaning part.

7. The system for automatic maintenance and storage of small and medium-sized molds for investment casting according to claim 6, characterized in that: The cleaning part includes a carrier (407), a rolling brush (408) and a motor (409), the carrier (407) is fixedly connected with the output end of the first electric hydraulic rod (406), the rolling brush (408) is rotatably installed in the carrier (407), the motor (409) is fixedly installed on one end of the carrier (407), and the output shaft end of the motor (409) is fixedly connected with the end portion of the rolling brush (408).

8. The system for automatic maintenance and storage of small and medium-sized molds for investment casting according to claim 7, characterized in that: The carrier (407) is fixedly installed with a mounting plate (410), the mounting plate (410) is fixedly installed with a hot air machine (411), the air outlet of the hot air machine (411) is fixedly communicated with a second pipe body (414), the second pipe body (414) is fixedly communicated with a first pipe body (413), the first pipe body (413) is fixedly installed on the top of the carrier (407), and a plurality of spray heads (412) are installed on the first pipe body (413) along the length direction.

9. The system for automatic maintenance and storage of small and medium-sized molds for investment casting according to claim 7, characterized in that: The frame (5) is provided with an RFID radio frequency tag (7) on the top of one side, the RFID radio frequency tag (7) is fixedly connected with a connecting frame (701), the connecting frame (701) is fixedly connected with the top end of the electric push rod (402) of the cleaning module (4); the entrance (101) of the mold warehouse (1) is provided with an identification antenna (8).

10. The system for automatic maintenance and storage of small and medium-sized molds for investment casting according to claim 9, characterized in that: The outer wall of the frame (5) and the mold warehouse (1) are respectively provided with a control cabinet (6) and a main control box (9); the control cabinet (6) is provided with a first controller (601), an editor (602) and a first wireless module (603), the main control box (9) is provided with a second controller (901) and a second wireless module (902), the first controller (601) and the second controller (901) are connected through the first wireless module (603) and the second wireless module (902), the second controller (901) is connected with the identification antenna (8), and the first controller (601) is connected with the RFID radio frequency tag (7) through the editor (602); the wall of the groove (502) of the frame (5) is provided with a temperature sensor (11); the first controller (601) is electrically connected with the RGV trolley (3), the heating wire (10), the temperature sensor (11), the second electric hydraulic rod (12), the electric push rod (402), the first electric hydraulic rod (406), the motor (409) and the hot air machine (411).

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