Chemical pump casting production casting device and casting method

Abstract

The application relates to the technical field of plastic production, in particular to a production casting device and a casting method for chemical pump castings, which comprise an equipment platform, a rotating platform, a casting module, a pouring equipment and a discharging device, the equipment platform is fixedly installed on the ground through supporting legs, a rotating shaft is rotatably installed at the center position of the equipment platform, the rotating shaft is driven by a driving motor below the equipment platform, the rotating platform is fixedly installed on the upper side end of the rotating shaft, the casting module is fixedly installed on the rotating platform, and the casting module is composed of a lower mold body and an upper mold body; the production casting device for the chemical pump castings is composed of the equipment platform, the rotating platform, the casting module, the pouring equipment and the discharging device, one circle of the casting module is used for rotating work, so that the pouring equipment can continuously operate, the waiting time of the pouring equipment is reduced, the castings can have a longer natural cooling time in the casting module, and the overall machining efficiency of the equipment is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of plastic production, in particular to a production casting device and method for chemical pump castings. BACKGROUND

[0002] A chemical pump is a pump device specially used for conveying various corrosive media (such as acid, alkali, and salt solution), flammable and explosive media (such as organic solvent), high-temperature and high-pressure media, or special fluids containing solid particles in chemical production. Its principle is to do work on the medium by centrifugal force generated by impeller rotation, and the impeller needs to be cast into shape by a casting device in actual production.

[0003] The Chinese patent document with publication number CN117161358A discloses a casting device for impellers and a casting process thereof, which includes a rack, a ladle for storing casting solution, a heating device for heating the casting solution, a forming mold for casting the impeller, and a first power device for driving the forming mold. The heating device is arranged on the rack around the ladle. The forming mold is connected to the ladle. The ladle is connected to a pressure source. The driving end of the first power device rotates and restricts the forming mold, and controls the rotation condition of the forming mold.

[0004] However, the above-mentioned working process is a process of closing the mold, pouring, cooling and forming, opening the mold, and removing the material. The cooling and forming process requires a long waiting time, which results in low overall casting efficiency of the equipment. Therefore, the present application proposes a production casting device and method for chemical pump castings to solve the above-mentioned problems. SUMMARY

[0005] The present application aims to provide a production casting device and method for chemical pump castings to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: a production casting device for chemical pump castings, comprising:

[0007] An equipment platform is fixedly installed on the ground through support legs, and a rotating shaft is rotatably installed at the center position of the equipment platform. The rotating shaft is driven by a driving motor below the equipment platform.

[0008] A rotating platform is fixedly installed on the upper side end of the rotating shaft.

[0009] A casting module is fixedly installed on the rotating platform. The casting module comprises a lower mold body and an upper mold body combined together. A lower mold cavity is formed in the lower mold body, and an upper mold cavity is formed in the upper mold body. A pouring opening is formed in the upper side end of the upper mold cavity. The lower mold cavity and the upper mold cavity are used for forming the impeller.

[0010] Pouring equipment for pouring into the lower and upper mold cavities through the pouring opening;

[0011] A discharging device is arranged at the side of the equipment platform and is used for discharging the impeller formed by the casting module.

[0012] Preferably, the casting module is circumferentially arranged on the rotating platform, six in total, the lower surface of the lower mold body is fixedly installed with a support column, and the lower side end of the support column is integrally formed with a support seat, and the support seat is fixed on the rotating platform through positioning bolts.

[0013] Preferably, a guide column groove is formed in the support column, the guide column groove penetrates the lower mold body, and a support spring is movably installed in the guide column groove, the lower surface of the upper mold body is integrally formed with a guide column, and the guide column is movably arranged in the guide column groove.

[0014] Preferably, an annular seat is fixedly installed on the equipment platform through a connecting frame, an emptying groove is formed in the lower side of the annular seat, the groove bottom of the emptying groove is smoothly connected with the lower side of the annular seat through a wedge surface, when the upper mold body is located at the position of the emptying groove, the upper mold body and the lower mold body are in an open mold state, the position of the discharging device corresponds to the position of the emptying groove, when the upper mold body is staggered with the emptying groove, the upper mold body and the lower mold body are in a closed mold state, and the pouring equipment is located at the side of the emptying groove.

[0015] Preferably, a roller seat is fixedly installed at each of the two side positions of the upper surface of the upper mold body, a guide roller is rotatably installed on the roller seat, and the upper side of the guide roller is arranged close to the lower surface of the annular seat.

[0016] Preferably, a bolt hole is formed in the guide column, the bolt hole penetrates the upper mold body, a primary thread hole is formed in the lower surface of the guide column groove, a limiting bolt is fixedly installed in the primary thread hole, and the screw rod of the limiting bolt is arranged through the bolt hole and the support spring, and the maximum upward movement position of the upper mold body is limited by the limiting bolt.

[0017] Preferably, a jacking column hole is formed in the groove bottom of the lower mold cavity, a stress column hole is formed in the upper surface of the lower mold body, a primary spring groove and a secondary spring groove are formed in the lower surface of the lower mold body, the primary spring groove is arranged in communication with the jacking column hole, the secondary spring groove is arranged in communication with the stress column hole, a limiting plate groove is formed at the lower side port of the primary spring groove and the secondary spring groove, a secondary thread hole is formed in the groove bottom of the limiting plate groove, the primary spring groove and the secondary spring groove are communicated through a communication groove, and the communication groove is arranged in a staggered manner with the secondary thread hole.

[0018] Preferably, a demolding ejector is movably arranged in the ejector hole, and a first spring force seat is integrally formed on the lower surface of the demolding ejector, the first spring force seat is movably arranged in a first spring groove, a force column is movably arranged in the force column hole, a second spring force seat is integrally formed on the lower surface of the force column, the second spring force seat is movably arranged in a second spring groove, the first spring force seat and the second spring force seat are connected through a connecting rod, the connecting rod is movably arranged in a communication groove, a first return spring is movably arranged in the first spring groove, a second return spring is movably arranged in the second spring groove, and the lower end of the first return spring and the second return spring is arranged against the limiting plate.

[0019] Preferably, when the first return spring and the second return spring are in the reset state, the first spring force seat and the second spring force seat move to the upper end of the first spring groove and the second spring groove respectively, when the upper mold body and the lower mold body are closed, the force column is completely pressed into the force column hole, and at this time, the upper surface of the demolding ejector is flush with the bottom surface of the lower mold cavity.

[0020] A production casting method of a chemical pump casting, which is used for operating the production casting device of the chemical pump casting, when the casting module moves to the position of the pouring device, the upper mold body and the lower mold body are closed together, at this time, the pouring device pours the upper mold cavity and the lower mold cavity, after pouring is completed, the driving motor is started, the casting module moves in the counterclockwise direction, in the movement process of the casting module, the pouring liquid in the casting module can form a certain shaking effect, so that the pouring liquid in the upper mold cavity and the lower mold cavity can be more compact, so as to improve the forming effect of the pouring liquid, when the casting module moves to the position of the annular seat, at this time, the upper mold body and the lower mold body are separated, then the demolding ejector is lifted to eject the formed impeller, and then the unloading device takes out the impeller.

[0021] Compared with the prior art, the beneficial effects of the present application are:

[0022] 1. By setting the production casting device of the chemical pump casting composed of the equipment platform, the rotating platform, the casting module, the pouring device and the unloading device, the casting module works in turn, so that the pouring device can continuously operate, the waiting time of the pouring device is reduced, and the casting in the casting module can have a longer natural cooling time, so as to effectively improve the overall processing efficiency of the equipment.

[0023] 2. By fixing the ring seat on the equipment platform through the connecting frame, opening the avoidance slot on the ring seat, opening the guide column slot on the support column, and movably installing the support spring in the guide column slot, the automatic opening and closing of the upper mold body and the lower mold body is realized through the interaction of the upper mold body and the ring seat, and the rotating action of the rotating platform. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present application;

[0025] Figure 2 It is a distribution schematic diagram of the casting module of the present application;

[0026] Figure 3 It is a structural schematic diagram of the casting module of the present application;

[0027] Figure 4 It is Figure 3 It is an enlarged structural schematic diagram of the structure at A in the middle;

[0028] Figure 5 It is a structural schematic diagram of the upper mold body of the present application;

[0029] Figure 6 It is a structural schematic diagram of the ring seat of the present application;

[0030] Figure 7 It is a semi-partial view of the lower mold body of the present application;

[0031] Figure 8 It is Figure 7 It is an enlarged structural schematic diagram of the structure at B in the middle;

[0032] Figure 9 It is a structural schematic diagram of the demolding top column and the force column of the present application;

[0033] Figure 10 It is a connection schematic diagram of the upper mold body and the lower mold body of the present application;

[0034] Figure 11 It is Figure 10 It is an enlarged structural schematic diagram of the structure at C in the middle;

[0035] Figure 12 It is Figure 10 It is an enlarged structural schematic diagram of the structure at D in the middle.

[0036] In the figure: device platform 1, rotating platform 2, casting module 3, pouring device 4, unloading device 5, support leg 6, lower mold body 7, upper mold body 8, support column 9, support seat 10, guide column groove 11, support spring 12, guide column 13, lower mold cavity 14, upper mold cavity 15, pouring opening 16, primary threaded hole 17, limiting bolt 18, jacking column hole 19, force column hole 20, primary spring groove 21, secondary spring groove 22, limiting plate groove 23, secondary threaded hole 24, demolding jacking column 25, primary spring force receiving seat 26, force column 27, secondary spring force receiving seat 28, primary return spring 29, secondary return spring 30, limiting plate 31, positioning screw 32, connecting frame 33, annular seat 34, clearance groove 35, roller seat 36, guide roller 37, communication groove 38, connecting rod 39. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme of the present application clear, complete and the advantages more clear and obvious, the embodiments of the present application are further described in detail below with reference to the drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present application, rather than all the embodiments, and are only used to explain the embodiments of the present application, and do not limit the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0038] Please refer to Figures 1-12 The present application provides the following four preferred embodiments:

[0039] Embodiment one, a production casting device for chemical pump castings, comprising a device platform 1, a rotating platform 2, a casting module 3, a pouring device 4 and an unloading device 5, the device platform 1 is fixedly installed on the ground through a support leg 6, and a rotating shaft is rotatably installed at the center position of the device platform 1, the rotating shaft is driven by a drive motor below the device platform 1, the rotating platform 2 is fixedly installed on the upper side end of the rotating shaft, the casting module 3 is fixedly installed on the rotating platform 2, the casting module 3 comprises a lower mold body 7 and an upper mold body 8 combined, a lower mold cavity 14 is formed on the lower mold body 7, an upper mold cavity 15 is formed on the upper mold body 8, a pouring opening 16 is formed on the upper side end of the upper mold cavity 15, the lower mold cavity 14 and the upper mold cavity 15 are used for shaping the impeller, the pouring device 4 is used for pouring into the lower mold cavity 14 and the upper mold cavity 15 through the pouring opening 16, the unloading device 5 is arranged on the side of the device platform 1, and the unloading device 5 is used for unloading the impeller shaped by the casting module 3.

[0040] The casting module 3 is circumferentially arranged on the rotating platform 2, the lower surface of the lower die body 7 is fixedly installed with a support column 9, the lower side end of the support column 9 is integrally formed with a support seat 10, the support seat 10 is fixed on the rotating platform 2 through positioning bolts, the production casting device of the chemical pump casting is composed of the equipment platform 1, the rotating platform 2, the casting module 3, the pouring equipment 4 and the discharging device 5, one circle of the casting module 3 works in turn, so that the pouring equipment 4 can continuously run, the waiting time of the pouring equipment 4 is reduced, and the casting can have a longer natural cooling time in the casting module 3, thereby effectively improving the overall processing efficiency of the equipment.

[0041] In the embodiment two, on the basis of the embodiment one, the support column 9 is provided with a guide column groove 11, the guide column groove 11 penetrates the lower die body 7, and a support spring 12 is movably installed in the guide column groove 11, and the lower surface of the upper die body 8 is integrally formed with a guide column 13, and the guide column 13 is movably arranged in the guide column groove 11.

[0042] The equipment platform 1 is fixedly installed with an annular seat 34 through a connecting frame 33, the lower side of the annular seat 34 is provided with an empty slot 35, the bottom of the empty slot 35 is smoothly connected with the lower side of the annular seat 34 through a wedge surface, when the upper die body 8 is located at the position of the empty slot 35, the upper die body 8 and the lower die body 7 are in an open mold state, the position of the discharging device 5 corresponds to the position of the empty slot 35, when the upper die body 8 is staggered with the empty slot 35, the upper die body 8 and the lower die body 7 are in a closed mold state, and the pouring equipment 4 is located at the side position of the empty slot 35, the annular seat 34 is fixedly installed on the equipment platform 1 through the connecting frame 33, the empty slot 35 is arranged on the annular seat 34, the guide column groove 11 is arranged on the support column 9, and the support spring 12 is movably installed in the guide column groove 11, so that the upper die body 8 and the annular seat 34 interact, the rotating platform 2 rotates, and the automatic opening and closing of the upper die body 8 and the lower die body 7 is realized.

[0043] The upper surface of the upper die body 8 is fixedly installed with a roller seat 36 at both side positions, a guide roller 37 is rotatably installed on the roller seat 36, and the upper side of the guide roller 37 is arranged close to the lower surface of the annular seat 34, so that the guide roller 37 can reduce friction to avoid large friction force between the upper die body 8 and the annular seat 34.

[0044] A bolt hole is arranged on the guide column 13, the bolt hole penetrates the upper die body 8, a primary thread hole 17 is arranged on the lower surface of the guide column groove 11, a limiting bolt 18 is fixedly installed in the primary thread hole 17, the screw rod of the limiting bolt 18 passes through the bolt hole and the support spring 12, and the maximum upward movement position of the upper die body 8 is limited by the limiting bolt 18.

[0045] In example three, on the basis of example two, the groove bottom of the lower mold cavity 14 is provided with a top pillar hole 19, the upper surface of the lower mold body 7 is provided with a force bearing hole 20, the lower surface of the lower mold body 7 is provided with a first spring groove 21 and a second spring groove 22, the first spring groove 21 is arranged in communication with the top pillar hole 19, the second spring groove 22 is arranged in communication with the force bearing hole 20, the lower side of the first spring groove 21 and the second spring groove 22 is provided with a limiting plate groove 23, the groove bottom of the limiting plate groove 23 is provided with a second threaded hole 24, the first spring groove 21 and the second spring groove 22 are communicated through a communication groove 38, and the communication groove 38 is arranged in a staggered manner with the second threaded hole 24.

[0046] The demolding top pillar 25 is movably installed in the top pillar hole 19, the lower surface of the demolding top pillar 25 is integrally formed with a first spring force bearing seat 26, the first spring force bearing seat 26 is movably arranged in the first spring groove 21, the force bearing column 27 is movably installed in the force bearing hole 20, the lower surface of the force bearing column 27 is integrally formed with a second spring force bearing seat 28, the second spring force bearing seat 28 is movably arranged in the second spring groove 22, the first spring force bearing seat 26 and the second spring force bearing seat 28 are connected through a connecting rod 39, the connecting rod 39 is movably arranged in the communication groove 38, the first reset spring 29 is movably arranged in the first spring groove 21, the second reset spring 30 is movably arranged in the second spring groove 22, and the limiting plate 31 is fixedly installed in the limiting plate groove 23 through a positioning screw 32. The lower side of the first reset spring 29 and the second reset spring 30 is arranged in abutment with the limiting plate 31.

[0047] When the first reset spring 29 and the second reset spring 30 are in the reset state, the first spring force bearing seat 26 and the second spring force bearing seat 28 respectively move to the upper side of the first spring groove 21 and the second spring groove 22, when the upper mold body 8 and the lower mold body 7 are closed, the force bearing column 27 is completely pressed into the force bearing hole 20, and at this time, the upper surface of the demolding top pillar 25 is flush with the bottom surface of the lower mold cavity 14, the upper and lower movement of the upper mold body 8 is used to realize the synchronous movement of the demolding top pillar 25, thereby realizing the automatic demolding of the casting module 3, thereby reducing the use of the driving structure on the equipment, and facilitating the daily circuit maintenance of the equipment.

[0048] In the fourth embodiment, based on the third embodiment, the production and casting method of the chemical pump casting is used for operating the production and casting device of the chemical pump casting. When the casting module 3 moves to the position of the pouring device 4, the upper die body 8 and the lower die body 7 are closed together. At this time, the pouring device 4 pours the upper die cavity 15 and the lower die cavity 14. After pouring is completed, the driving motor is started, and the casting module 3 moves in the counterclockwise direction. In the movement process of the casting module 3, the pouring liquid inside the casting module 3 can form a certain shaking effect, so that the pouring liquid in the upper die cavity 15 and the lower die cavity 14 can be more compact, so as to improve the forming effect of the pouring liquid. When the casting module 3 moves to the position of the avoidance groove 35 on the annular seat 34, the upper die body 8 and the lower die body 7 are separated, and then the demolding jacks 25 are lifted to take out the formed impeller, and then the unloading device 5 takes out the impeller.

[0049] Although the above describes the specific embodiments of the present application in order to enable a person skilled in the art to understand the present application, the present application is not limited to the scope of the specific embodiments, and all the application creations using the concept of the present application are protected as long as various changes are within the spirit and scope of the present application defined and determined by the appended claims.

Claims

1. A casting apparatus for producing chemical pump castings, characterized in that: include: The equipment platform (1) is fixedly installed on the ground by support legs (6), and a rotating shaft is rotatably installed at the center of the equipment platform (1). The rotating shaft is driven by a drive motor under the equipment platform (1). Rotating platform (2), the rotating platform (2) is fixedly installed on the upper end of the rotating shaft; Casting module (3), which is fixedly installed on rotating platform (2), is composed of a lower mold body (7) and an upper mold body (8). The lower mold body (7) has a lower mold cavity (14) and the upper mold body (8) has an upper mold cavity (15). The upper end of the upper mold cavity (15) has a pouring port (16). The lower mold cavity (14) and the upper mold cavity (15) are used to form the impeller. The casting equipment (4) is used to cast through the casting port (16) into the lower mold cavity (14) and the upper mold cavity (15); The unloading device (5) is located on the side of the equipment platform (1) and is used to unload the impeller formed by the casting module (3). A support column (9) is fixedly installed on the lower surface of the lower mold body (7). A guide column groove (11) is provided on the support column (9). The guide column groove (11) passes through the lower mold body (7), and a support spring (12) is movably installed in the guide column groove (11). A guide column (13) is integrally formed on the lower surface of the upper mold body (8). The guide column (13) is movably arranged in the guide column groove (11). An annular seat (34) is fixedly installed on the equipment platform (1) by a connecting frame (33). A clearance groove (35) is provided on the lower side of the annular seat (34). The bottom of the clearance groove (35) and the lower side of the annular seat (34) are smoothly connected by a wedge-shaped surface. When the upper mold body (8) is located at the clearance groove (35), the upper mold body (8) and the lower mold body (7) are in an open mold state. The position of the unloading device (5) corresponds to the position of the clearance groove (35). When the upper mold body (8) and the clearance groove (35) are misaligned, the upper mold body (8) and the lower mold body (7) are in a closed mold state. The casting equipment (4) is located on the side of the clearance groove (35). The bottom of the lower mold cavity (14) is provided with a top post hole (19), the upper surface of the lower mold body (7) is provided with a force-bearing post hole (20), the lower surface of the lower mold body (7) is provided with a primary spring groove (21) and a secondary spring groove (22), the primary spring groove (21) is connected to the top post hole (19), the secondary spring groove (22) is connected to the force-bearing post hole (20), a limit plate groove (23) is provided at the lower port of the primary spring groove (21) and the secondary spring groove (22), a secondary threaded hole (24) is provided at the bottom of the limit plate groove (23), the primary spring groove (21) and the secondary spring groove (22) are connected by a connecting groove (38), and the connecting groove (38) and the secondary threaded hole (24) are misaligned.

2. The casting apparatus for producing chemical pump castings according to claim 1, characterized in that: The casting module (3) has six equal circumferences on the rotating platform (2), and the lower end of the support column (9) is integrally formed with a support seat (10), which is fixed to the rotating platform (2) by positioning bolts.

3. The production casting apparatus for chemical pump castings according to claim 1, characterized in that: Roller seats (36) are fixedly installed on both sides of the upper surface of the upper mold body (8). Guide rollers (37) are rotatably installed on the roller seats (36). The upper side of the guide rollers (37) is abutted against the lower surface of the annular seat (34).

4. The casting apparatus for producing chemical pump castings according to claim 1, characterized in that: The guide post (13) has a bolt hole that penetrates the upper mold body (8). The lower surface of the guide post groove (11) has a first-level threaded hole (17). A limit bolt (18) is fixedly installed in the first-level threaded hole (17). The screw of the limit bolt (18) passes through the bolt hole and the support spring (12). The maximum upward movement of the upper mold body (8) is limited by the limit bolt (18).

5. The production casting apparatus for chemical pump castings according to claim 1, characterized in that: A demolding ejector pin (25) is movably installed in the ejector pin hole (19). A primary spring support seat (26) is integrally formed on the lower surface of the demolding ejector pin (25). The primary spring support seat (26) is movably disposed in the primary spring groove (21). A support pin (27) is movably installed in the support pin hole (20). A secondary spring support seat (28) is integrally formed on the lower surface of the support pin (27). The secondary spring support seat (28) is movably disposed in the secondary spring groove (22). The primary spring support seat (26)... The secondary spring bearing seats (28) are connected by a connecting rod (39), which is movably disposed in the connecting groove (38). A primary return spring (29) is movably disposed in the primary spring groove (21), and a secondary return spring (30) is movably installed in the secondary spring groove (22). A limit plate (31) is fixedly installed in the limit plate groove (23) by a positioning screw (32). The lower ends of the primary return spring (29) and the secondary return spring (30) are both abutted against the limit plate (31).

6. The casting apparatus for producing chemical pump castings according to claim 5, characterized in that: When the primary reset spring (29) and the secondary reset spring (30) are in the reset state, the primary spring force seat (26) and the secondary spring force seat (28) move to the upper end of the primary spring groove (21) and the secondary spring groove (22) respectively. When the upper mold body (8) and the lower mold body (7) are closed, the force column (27) is completely pressed into the force column hole (20). At this time, the upper surface of the demolding top column (25) is flush with the bottom surface of the lower mold cavity (14).

7. A casting method for producing chemical pump castings, characterized in that: The production casting method for the chemical pump casting is used to operate any one of the production casting devices for the chemical pump casting according to claims 5-6. The operation method is as follows: when the casting module (3) moves to the position of the casting equipment (4), the upper mold body (8) and the lower mold body (7) are closed together. At this time, the casting equipment (4) pours the upper mold cavity (15) and the lower mold cavity (14). After the pouring is completed, the drive motor starts, and the casting module (3) moves in a counterclockwise direction. During the movement of (3), the casting liquid inside the casting module (3) will form a certain shaking effect, so that the casting liquid can be more compact in the upper mold cavity (15) and the lower mold cavity (14) to improve the molding effect of the casting liquid. When the casting module (3) moves to the position of the clearance groove (35) on the ring seat (34), the upper mold body (8) and the lower mold body (7) are separated. Then the demolding top column (25) is lifted to push out the molded impeller. Then the unloading device (5) takes out the impeller.

Images