Automatic wax mould assembling and welding device

Abstract

The utility model discloses an automatic wax mould assembling and welding device, which relates to the technical field of wax mould assembling and welding and comprises a fixed bottom plate, a positioning mechanism is fixedly mounted on the fixed bottom plate, a mechanical arm component is arranged on the periphery of the positioning mechanism, and a tool placing frame is fixedly mounted on the rear side of the fixed bottom plate. And a wax mold storage mechanism is fixedly mounted at any one of the left end and the right end of the fixed bottom plate. According to the design scheme, through the design that the casting rod is rotatably installed on the positioning mechanism, the material taking mechanical arm transfers a wax mold on the wax mold containing plate to the welding plane of the casting rod through the material taking plate, and the welding faces of the casting rod and the wax mold are heated through the electric welding knife on the welding mechanical arm respectively, so that automatic welding of the wax mold is achieved; and material taking plates and electric welding tools of various specifications are stored on the tool containing frame, so that tools matched with the material taking plates and the electric welding tools can be selected according to the actual working condition, and the universality of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wax model assembly welding, in particular to an automatic wax model assembly welding device. Background Art

[0002] Wax casting, also known as lost wax casting or investment casting, is a specific casting method: first make a model of the casting with wax, and weld the model to the casting rod with the same material to make a module (when the casting is large, it can be a group of modules individually), dip refractory coating on the surface of the module, and then sprinkle refractory sand on it. After it dries and solidifies, heat the module, remove the wax from the pouring gate to form an empty shell, and roast the empty shell to make it a solid mold shell. Pour the metal liquid from the pouring gate, and after condensation, it becomes a metal casting.

[0003] In the prior art, manual welding is usually used when welding the wax model to the casting rod. Due to the low precision of manual control, the model position accuracy is low, which affects the quality of the parts. In addition, the wax model needs to be welded to multiple surfaces of the casting rod during welding. Therefore, the staff needs to rotate the casting rod during welding, which makes the welding process time-consuming and labor-intensive, and it is difficult to ensure welding efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a wax pattern automatic assembly welding device.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a wax mold automatic assembly welding device, including a fixed base plate, a positioning mechanism is fixedly installed on the fixed base plate, a casting rod is rotatably installed on the positioning mechanism, a mechanical arm assembly is arranged on the periphery of the positioning mechanism, a tool placement rack is fixedly installed on the rear side of the fixed base plate, a wax mold storage mechanism is fixedly installed on either left or right end of the fixed base plate, the wax mold storage mechanism includes an electric turntable, a placement platform is fixedly installed on the power output end of the electric turntable, and two groups of wax mold placement plates are symmetrically arranged on the top of the placement platform.

[0006] Furthermore, the positioning mechanism includes a base, and fixed frames are fixedly installed on the left and right ends of the top of the base, and mounting disks are rotatably installed on the two groups of the fixed frames respectively, and a driving motor for controlling the rotation of the mounting disk is fixedly installed on the left fixed frame, and a first fixed seat is fixedly installed on one end of the left mounting disk close to the middle of the base, and a clearance groove is provided on the first fixed seat, and one end of the casting rod is cooperated and installed in the clearance groove, and a fixed cover is detachably installed on the first fixed seat, and a limiting groove with a shape matching the shape of the end of the casting rod is provided on the bottom of the fixed cover, and a second fixed seat is fixedly installed on one end of the right mounting disk close to the middle of the base, and a mounting groove is provided on the end surface of the second fixed seat close to the casting rod.

[0007] Furthermore, one end of the casting rod is a stepped shaft structure, and the other end of the casting rod is a rectangular structure.

[0008] Furthermore, the robotic arm assembly includes a welding robotic arm, which is arranged on a side of the base away from the wax model storage mechanism, and is fixedly installed on a fixed base plate. The movable end of the welding robotic arm is detachably equipped with an electric welding knife, and a welding knife cleaning station is arranged on the side of the welding robotic arm, and a cleaning chamber is arranged on the top of the welding knife cleaning station.

[0009] Furthermore, the robotic arm assembly also includes a material picking robotic arm, which is arranged on the rear side of the base and located between the welding robotic arm and the wax model storage mechanism. The material picking robotic arm is fixedly mounted on a fixed base plate, and a material picking plate is detachably mounted on the movable end of the material picking robotic arm, and a plurality of groups of clamps are arranged in a horizontal array at the bottom of the material picking plate.

[0010] Furthermore, two groups of the wax model placement plates are detachably installed on the left and right sides of the placement platform, a protective plate is fixedly installed in the middle of the placement platform, and a plurality of groups of placement grooves are opened on the wax model placement plates.

[0011] Furthermore, the tool placement rack includes several groups of storage racks, which are spliced ​​and installed together, and each group of the storage racks is provided with two groups of grooves, and a magnet is fixedly installed in each group of the grooves, and the plane of the magnet is flush with the plane of the storage rack, and positioning grooves are provided on both sides of each group of the grooves, and the bottom of the material removal plate and the electric welding knife are provided with positioning pins corresponding to the positioning grooves.

[0012] Furthermore, a guard plate is fixedly installed on the four edges of the fixed base plate, a guard door is movably installed on the front side wall of the guard plate, a control console is movably installed on the guard plate, a through groove is opened on the side wall of the guard plate close to the wax model storage mechanism, the electric turntable is located at the through groove, a baffle is provided above the electric turntable, and the baffle is fixedly installed on the inner side wall of the guard plate.

[0013] The beneficial effect of the utility model is that the design of the utility model is designed with a casting rod rotatably installed on the positioning mechanism. The feeding robot arm transfers the wax model on the wax model placement plate to the welding plane of the casting rod through the feeding plate, and heats the welding surfaces of the casting rod and the wax model respectively through the electric welding knife on the welding robot arm to realize automatic welding of the wax model, thereby ensuring the welding accuracy and improving the welding efficiency. Feeding plates and electric welding knives of various specifications are stored on the tool placement rack, so that tools matching them can be selected according to the actual working conditions, thereby improving the versatility of the device. During the automatic welding process, the staff can place the wax model to be welded on the outer wax model placement plate to realize non-stop loading, thereby further improving the welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a top view of the utility model;

[0017] Figure 3 for Figure 2 Schematic diagram of the cross-section structure in the AA direction;

[0018] Figure 4 It is a structural schematic diagram of the positioning mechanism of the utility model;

[0019] Figure 5 It is a schematic diagram of the cross-sectional structure of the positioning mechanism of the utility model in the main viewing direction;

[0020] Figure 6 This is a structural schematic diagram of the fixed cover of the utility model;

[0021] Figure 7 It is a structural schematic diagram of the tool placement rack of the utility model.

[0022] In the figure: 1. fixed bottom plate, 2. positioning mechanism, 21. base, 22. fixed frame, 23. mounting plate, 24. driving motor, 25. first fixed seat, 251. clearance groove, 26. fixed cover, 261. limit groove, 27. second fixed seat, 271. mounting groove, 3. casting rod, 4. welding robot arm, 5. electric welding knife, 6. welding knife cleaning station, 61. cleaning chamber, 7. material taking robot arm, 8. material taking plate, 9. clamping claw, 10. storage rack, 101. groove, 102. magnet, 103. positioning groove, 11. positioning pin, 12. wax mold storage mechanism, 121. electric turntable, 122. placement platform, 123. wax mold placement plate, 124. placement groove, 125. protective plate, 13. enclosure, 14. protective door, 15. control console, 16. through groove, 17. baffle. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the technical solution of the utility model, the utility model is further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on this drawing and embodiment, which all belong to the protection scope of the utility model.

[0024] according to Figure 1-7As shown, a wax mold automatic assembly and welding device includes a fixed base plate 1, a positioning mechanism 2 is fixedly installed on the fixed base plate 1, a casting rod 3 is rotatably installed on the positioning mechanism 2, a mechanical arm assembly is provided on the periphery of the positioning mechanism 2, a tool placement rack is fixedly installed on the rear side of the fixed base plate 1, a wax mold storage mechanism 12 is fixedly installed on the right end of the fixed base plate 1, the wax mold storage mechanism 12 includes an electric turntable 121, a placement platform 122 is fixedly installed at the power output end of the electric turntable 121, and two groups of wax mold placement plates 123 are symmetrically arranged on the top of the placement platform 122.

[0025] In this embodiment, the positioning mechanism 2 includes a base 21, and a fixing frame 22 is fixedly installed on the left and right ends of the top of the base 21. The two sets of fixing frames 22 are respectively rotatably installed with mounting plates 23 through bearings. A driving motor 24 for controlling the rotation of the mounting plate 23 is fixedly installed on the left fixing frame 22, and the power output shaft of the driving motor 24 is connected to the rotating shaft of the mounting plate 23. A first fixing seat 25 is fixedly installed at one end of the left mounting plate 23 close to the middle of the base 21, and a clearance groove 251 is opened on the first fixing seat 25. One end of the casting rod 3 is cooperated and installed in the clearance groove 251. A fixing cover 26 is detachably installed on the first fixing seat 25 by bolts, and a limiting groove 261 whose shape matches the outer shape of the end of the casting rod 3 is opened at the bottom of the fixing cover 26. A second fixing seat 27 is fixedly installed at one end of the right mounting plate 23 close to the middle of the base 21, and a mounting groove 271 is opened on the end surface of the second fixing seat 27 close to the casting rod 3.

[0026] In this embodiment, one end of the casting rod 3 is a stepped shaft structure, and the other end of the casting rod 3 is a rectangular structure. The stepped shaft end of the casting rod 3 is installed on the first fixed seat 25 and is clamped and fixed by the fixing cover 26, and the other end is clamped and installed in the mounting groove 271 of the second fixed seat 27.

[0027] In this embodiment, the robot arm assembly includes a welding robot arm 4, which is arranged on a side of the base 21 away from the wax model storage mechanism 12, and the welding robot arm 4 is fixedly installed on the fixed base plate 1. The movable end of the welding robot arm 4 is detachably installed with an electric welding knife 5, and a quick-plug connector is installed on the top of the electric welding knife 5. The electric welding knife 5 is connected to the material-retrieving robot arm 7 through the quick-plug connector. A thermocouple is arranged inside the electric welding knife 5, and the electric welding knife 5 is heated by the thermocouple. A welding knife cleaning station 6 is arranged on the side of the welding robot arm 4, and a cleaning chamber 61 is arranged on the top of the welding knife cleaning station 6. Multiple groups of compressed air nozzles are arranged inside the cleaning chamber 61. After each group of wax models is welded, the electric welding knife 5 is inserted into the cleaning chamber 61 through the welding robot arm 4, and gas is sprayed from the compressed air nozzle. The wax model residue sticking on the electric welding knife 5 is cleaned by the gas, thereby preventing the wax model residue from affecting the welding of the next group of wax models.

[0028] In this embodiment, the robotic arm assembly also includes a material picking robotic arm 7, which is arranged on the rear side of the base 21 and is located between the welding robotic arm 4 and the wax model storage mechanism 12. The material picking robotic arm 7 is fixedly installed on the fixed base plate 1, and the movable end of the material picking robotic arm 7 is detachably installed with a material picking plate 8, and a quick-plug connector is installed on the top of the material picking plate 8. The material picking plate 8 is connected to the material picking robotic arm 7 through the quick-plug connector. A plurality of groups of clamps 9 are arranged in a horizontal array at the bottom of the material picking plate 8. The preferred number of clamps 9 is three groups. When picking materials, the material picking plate 8 is moved to the wax model storage mechanism 12 by the material picking robotic arm 7, and the wax model placed on the wax model placement plate 123 is clamped by the clamps 9 at the bottom of the material picking plate 8.

[0029] In this embodiment, two groups of wax model placement plates 123 are detachably installed on the left and right sides of the placement platform 122 by bolts. A protective plate 125 is fixedly installed in the middle of the placement platform 122. A plurality of groups of placement grooves 124 are opened on the wax model placement plates 123. The wax model is fixed by the placement grooves 124. The spacing of the placement grooves 124 is consistent with the spacing between the clamps 9, so that the material picking robot arm 7 can clamp the wax model.

[0030] In this embodiment, the tool storage rack includes several groups of storage racks 10, which are spliced ​​and installed together. Two groups of grooves 101 are arranged on each group of storage racks 10. A magnet 102 is fixedly installed in each group of grooves 101. The plane of the magnet 102 is flush with the plane of the storage rack 10. Positioning grooves 103 are arranged on both sides of each group of grooves 101. Positioning pins 11 corresponding to the positioning grooves 103 are arranged at the bottom of the material picking plate 8 and the electric welding knife 5. The electric welding knives 5 and the material picking plate 8 of different specifications are placed on the storage rack 10, and are positioned by the cooperation of the positioning pins 11 and the positioning grooves 103, and are fixed on the storage rack 10 by being adsorbed by the magnet 102.

[0031] In this embodiment, a fence 13 is fixedly installed at the edges of the fixed base plate 1, a protective door 14 is movably installed on the front side wall of the protective plate 125, and a control console 15 is movably installed on the fence 13. The staff controls the welding operation of the wax model through the control console 15. A through groove 16 is opened on the side wall of the fence 13 close to the wax model storage mechanism 12, and an electric turntable 121 is located at the through groove 16. A baffle 17 is provided above the electric turntable 121, and the baffle 17 is fixedly installed on the inner wall of the fence 13. The staff places the wax model to be welded on the outer wax model placement plate 123 at the through groove 16 to realize non-stop loading. The baffle 17 plays a protective role to prevent the material-taking robot arm 7 from getting out of control and causing injuries to the staff.

[0032] When the utility model is in use, the stepped shaft end of the casting rod 3 is first installed in the give way groove 251, and the other end of the casting rod 3 is aligned with the mounting groove 271. After the casting rod 3 is inserted into the mounting groove 271, the fixing cover 26 is installed on the first fixing seat 25 by bolts. Under the action of the limiting groove 261, the casting rod 3 is prevented from moving left and right. At the same time, the fixing cover 26 and the first mounting seat 25 clamp the casting rod 3. When the driving motor 24 drives the first mounting seat 25 to rotate, the casting rod 3 can rotate synchronously, so that the casting rod 3 can automatically flip over. After the casting rod 3 is fixed, the staff closes the protective door 14 and controls the console 1 5 starts the equipment, the material taking robot arm 7 transfers the wax model on the wax model placement plate to the welding plane of the casting rod 3 through the material taking plate 8, and heats the casting rod 3 and the welding surface of the wax model respectively through the electric welding knife 5 on the welding robot arm 4 to realize automatic welding of the wax model, thereby ensuring welding accuracy and improving welding efficiency. During the welding process, the staff puts the wax model to be welded on the outer wax model placement plate 123 at the through groove 16. After the wax models on the inner wax model placement plate 123 are all welded to the casting rod 3, the electric turntable 121 drives the placement platform 122 to rotate 180°, thereby realizing non-stop feeding and further improving welding efficiency.

[0033] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A wax pattern automatic welding device, comprising a fixed base plate (1), characterized in that: A positioning mechanism (2) is fixedly mounted on the fixed base plate (1), a casting rod (3) is rotatably mounted on the positioning mechanism (2), a mechanical arm assembly is arranged on the periphery of the positioning mechanism (2), a tool placement rack is fixedly mounted on the rear side of the fixed base plate (1), a wax model storage mechanism (12) is fixedly mounted on either left or right end of the fixed base plate (1), the wax model storage mechanism (12) comprises an electric turntable (121), a placement platform (122) is fixedly mounted on the power output end of the electric turntable (121), and two groups of wax model placement plates (123) are symmetrically arranged on the top of the placement platform (122).

2. The wax pattern automatic welding device according to claim 1, characterized in that: The positioning mechanism (2) comprises a base (21), and fixed frames (22) are fixedly mounted on the left and right ends of the top of the base (21), and mounting plates (23) are rotatably mounted on the two sets of the fixed frames (22), and a driving motor (24) for controlling the rotation of the mounting plates (23) is fixedly mounted on the left fixed frame (22), and a first fixed seat (25) is fixedly mounted on one end of the left mounting plate (23) close to the middle of the base (21), and a clearance groove (25) is provided on the first fixed seat (25). 1), one end of the casting rod (3) is mounted in a positioning groove (251), a fixing cover (26) is detachably mounted on the first fixing seat (25), a limiting groove (261) having a shape matching the outer shape of the end of the casting rod (3) is provided at the bottom of the fixing cover (26), a second fixing seat (27) is fixedly mounted on one end of the right side mounting plate (23) close to the middle of the base (21), and a mounting groove (271) is provided on the end surface of the second fixing seat (27) close to the casting rod (3).

3. The wax pattern automatic welding device according to claim 2, characterized in that: One end of the casting rod (3) is a stepped shaft structure, and the other end of the casting rod (3) is a rectangular structure.

4. The wax pattern automatic welding device according to claim 1, characterized in that: The mechanical arm assembly comprises a welding mechanical arm (4), wherein the welding mechanical arm (4) is arranged on a side of a base (21) away from a wax model storage mechanism (12), the welding mechanical arm (4) is fixedly mounted on a fixed base plate (1), a welding knife (5) is detachably mounted on the movable end of the welding mechanical arm (4), a welding knife cleaning station (6) is arranged on the side of the welding mechanical arm (4), and a cleaning chamber (61) is arranged on the top of the welding knife cleaning station (6).

5. The wax pattern automatic welding device according to claim 4, characterized in that: The robotic arm assembly also includes a material picking robotic arm (7), which is arranged on the rear side of the base (21) and is located between the welding robotic arm (4) and the wax model storage mechanism (12). The material picking robotic arm (7) is fixedly mounted on the fixed base plate (1), and a material picking plate (8) is detachably mounted on the movable end of the material picking robotic arm (7), and a plurality of groups of clamping claws (9) are arranged in a horizontal array at the bottom of the material picking plate (8).

6. The wax pattern automatic welding device according to claim 5, characterized in that: The two groups of wax model placement plates (123) are detachably mounted on the left and right sides of the placement platform (122); a protective plate (125) is fixedly mounted in the middle of the placement platform (122); and a plurality of groups of placement grooves (124) are provided on the wax model placement plates (123).

7. The wax pattern automatic welding device according to claim 5, characterized in that: The tool storage rack comprises a plurality of groups of storage racks (10), the storage racks (10) are spliced ​​and installed together, each group of the storage racks (10) is provided with two groups of grooves (101), a magnet (102) is fixedly installed in each group of the grooves (101), the plane of the magnet (102) is flush with the plane of the storage rack (10), positioning grooves (103) are provided on both sides of each group of the grooves (101), and positioning pins (11) corresponding to the positioning grooves (103) are provided at the bottom of the material taking plate (8) and the electric welding knife (5).

8. The wax pattern automatic welding device according to claim 6, characterized in that: A panel (13) is fixedly mounted on the edges of the fixed base plate (1), a protective door (14) is movably mounted on the front side wall of the protective plate (125), a control console (15) is movably mounted on the panel (13), a through groove (16) is provided on the side wall of the panel (13) close to the wax model storage mechanism (12), the electric turntable (121) is located at the through groove (16), a baffle (17) is provided above the electric turntable (121), and the baffle (17) is fixedly mounted on the inner side wall of the panel (13).

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