High-frequency vibration platform for lost foam casting

Abstract

The utility model discloses an evanescent mode casting high-frequency vibration platform which comprises an installation frame, vibration mechanisms are symmetrically and fixedly installed on the top of the installation frame, a top plate is arranged on the tops of the two vibration mechanisms together, supporting plates are symmetrically and fixedly installed on the front side and the rear side of the top plate, and a containing plate is fixedly installed on the tops of the two supporting plates together. The top of the top plate is jointly and rotationally connected with a bidirectional lead screw through two bearing seats, the bidirectional lead screw is located between the two supporting plates, a sliding rail is fixedly installed at the top of the top plate, clamping plates are symmetrically and slidably connected to the top of the sliding rail, and the two clamping plates are in threaded connection with positive and negative threads of the bidirectional lead screw respectively; the two-way lead screw is rotated to drive the two clamping plates to be close to each other so as to clamp a sand box placed on the top of the placing plate, the bolts are screwed into the corresponding threaded grooves so as to fix the positions of the clamping plates, and meanwhile the sand box is prevented from shaking all around.

Description

Technical Field

[0001] The utility model relates to a high-frequency vibration platform, in particular to a high-frequency vibration platform for lost foam casting pouring. Background Technique

[0002] Lost foam casting is a full-mold casting of foam plastic molds using binder-free dry sand combined with vacuum pumping technology. The main domestic names are "dry sand full-mold casting" and "negative pressure full-mold casting", abbreviated as EPC casting; lost foam casting is one of the most advanced casting processes in the world, known as the 21st century green casting at home and abroad. The casting process plays an important role in casting production. With the increase in the types and complexity of castings, the requirements for the vibrating table of the lost foam casting process are getting higher and higher.

[0003] In the prior art with the patent number CN213968964U, a high-frequency vibration platform for lost foam casting pouring is proposed, which drives the sand box to vibrate through a vibration motor to realize the vibration during lost foam casting pouring.

[0004] However, in the above-mentioned prior art high-frequency vibration platform, the sand box is placed on the platform, and the phenomenon that the sand box shakes around during vibration may occur. Therefore, this application proposes a high-frequency vibration platform for lost foam casting pouring to solve this problem. Content of the Utility Model

[0005] The purpose of the utility model is to provide a high-frequency vibration platform for lost foam casting pouring, so as to solve the problem that the sand box of the high-frequency vibration platform in the prior art placed on the platform may shake around during vibration as proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A high-frequency vibration platform for lost foam casting pouring includes an installation frame. Vibration mechanisms are symmetrically and fixedly installed on the top of the installation frame. A top plate is jointly arranged on the tops of the two vibration mechanisms. Support plates are symmetrically and fixedly installed on the front and rear sides of the top plate. A placement plate is jointly and fixedly installed on the tops of the two support plates. A bidirectional lead screw is jointly rotatably connected to the top of the top plate through two bearing seats. The bidirectional lead screw is located between the two support plates. A slide rail is fixedly installed on the top of the top plate. Clamping plates are symmetrically and slidably connected to the top of the slide rail. The two clamping plates are respectively threadedly connected to the positive and negative threads of the bidirectional lead screw. The top of the clamping plate penetrates through the placement plate. One end of the bidirectional lead screw is fixedly installed with a second turntable.

[0008] As a further scheme of the utility model: A limit disk is rotatably connected to the outer side of the bidirectional lead screw. A fixing block is fixedly installed at the bottom of the limit disk. The fixing block is fixed to the top plate through a fixing bolt. A bolt is arranged on one side of the second turntable. The bolt penetrates through the second turntable and is threadedly connected to the limit disk.

[0009] As a further solution of the present utility model: a plurality of threaded grooves are formed in the limiting disc along the circumferential direction.

[0010] As a further solution of the present utility model: a sliding groove for two clamping plates to pass through is formed in the placing plate.

[0011] As a further solution of the present utility model: the vibration mechanism includes a wave groove, motors are symmetrically and fixedly installed inside the installation frame, the bottoms of the two wave grooves are fixedly connected to the top of the installation frame, the output shaft of the motor is fixedly installed with a fixed shaft, one end of the fixed shaft passes through the installation frame and is fixedly installed with a rotating shaft, a cavity is formed at the top of the rotating shaft, a spring is fixedly installed on the bottom side inside the cavity, one end of the spring is fixedly installed with an installation block, the installation block is slidably connected to the cavity, installation plates are fixedly installed on both sides of the installation block, connecting rods are symmetrically and fixedly installed on the top of the installation plates, the tops of the two connecting rods on each vibration mechanism are jointly fixedly installed with a first turntable, the first turntable is rotatably connected to the top plate, rollers are rotatably installed at the bottoms of the installation plates, and rolling grooves are formed at the tops of the wave grooves, and the rollers roll inside the rolling grooves.

[0012] As a further solution of the present utility model: guide blocks are symmetrically and fixedly installed on one side of the installation block, both guide blocks pass through the rotating shaft, and guide grooves for slidably connecting with the guide blocks are formed at both ends of the rotating shaft.

[0013] As a further solution of the present utility model: a switch is fixedly installed on the top of the installation frame, the motor is electrically connected to the switch through a wire, and the switch is electrically connected to an external power supply through a wire.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] 1. The present utility model drives two clamping plates to approach each other by rotating the bidirectional lead screw so as to clamp the sand box placed on the top of the placing plate, and completes the fixation of the position of the clamping plate by screwing the bolt into the corresponding threaded groove, and at the same time avoids the sand box shaking around.

[0016] 2. The present utility model drives two rotating shafts to rotate through a servo-controlled motor, thereby driving the placing plate to move up and down through two groups of connecting rods, realizing high-frequency vibration when casting into the sand box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural view of the present utility model.

[0018] Figure 2 For the present utility model Figure 1 An enlarged view of part A.

[0019] Figure 3 This is the front view of the present utility model.

[0020] Figure 4 For the present utility model Figure 1 An enlarged view of part B.

[0021] Figure 5 This is the side view of the limit disc in the present utility model.

[0022] 1. Clamping plate; 2. Connecting rod; 3. Mounting plate; 4. Roller; 5. Wavy groove; 6. Motor; 7. Mounting frame; 8. First turntable; 9. Slide rail; 10. Bidirectional lead screw; 11. Placing plate; 12. Top plate; 13. Thread groove; 14. Chute; 15. Support plate; 16. Bolt; 17. Second turntable; 18. Limit disc; 19. Rotating shaft; 20. Mounting block; 21. Guide block; 22. Spring; 23. Guide groove; 24. Rolling groove. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1 to 5 , in the embodiments of the present utility model, a high-frequency vibration platform for lost foam casting includes a mounting frame 7. Vibration mechanisms are symmetrically and fixedly installed at the top of the mounting frame 7. A top plate 12 is jointly arranged at the top of the two vibration mechanisms. Support plates 15 are symmetrically and fixedly installed on the front and rear sides of the top plate 12. A placing plate 11 is jointly and fixedly installed at the top of the two support plates 15. A bidirectional lead screw 10 is rotatably connected to the top of the top plate 12 through two bearing seats. The bidirectional lead screw 10 is located between the two support plates 15. A slide rail 9 is fixedly installed at the top of the top plate 12. Clamping plates 1 are symmetrically slidably connected to the top of the slide rail 9. The two clamping plates 1 are respectively threadedly connected to the positive and negative threads of the bidirectional lead screw 10. The top of the clamping plate 1 penetrates through the placing plate 11. One end of the bidirectional lead screw 10 is fixedly installed with a second turntable 17.

[0025] A limit disc 18 is rotatably connected to the outside of the bidirectional lead screw 10. A fixing block is fixedly installed at the bottom of the limit disc 18. The fixing block is fixed to the top plate 12 through a fixing bolt. A bolt 16 is arranged on one side of the second turntable 17. The bolt 16 penetrates through the second turntable 17 and is threadedly connected to the limit disc 18 for positioning the bidirectional lead screw 10 to prevent the clamping plate 1 from loosening.

[0026] A plurality of threaded grooves 13 are provided along the circumferential direction on the limiting disk 18.

[0027] A sliding groove 14 for two clamping plates 1 to pass through is provided on the placing plate 11.

[0028] The vibration mechanism includes a wave groove 5. Motors 6 are symmetrically and fixedly installed inside the installation frame 7. The bottoms of the two wave grooves 5 are fixedly connected to the top of the installation frame 7. A fixed shaft is fixedly installed on the output shaft of the motor 6. One end of the fixed shaft passes through the installation frame 7 and a rotating shaft 19 is fixedly installed. A cavity is provided at the top of the rotating shaft 19. A spring 22 is fixedly installed on the bottom side inside the cavity. One end of the spring 22 is fixedly installed with an installation block 20. The installation block 20 is slidably connected to the cavity. Installation plates 3 are fixedly installed on both sides of the installation block 20. Connecting rods 2 are symmetrically and fixedly installed on the top of the installation plates 3. The tops of the two connecting rods 2 on each vibration mechanism are jointly fixedly installed with a first turntable 8. The first turntable 8 is rotatably connected to the top plate 12. A roller 4 is rotatably installed at the bottom of the installation plate 3. A rolling groove 24 is provided at the top of the wave groove 5. The roller 4 rolls inside the rolling groove 24, realizing high-frequency vibration of the sand box.

[0029] Guide blocks 21 are symmetrically and fixedly installed on one side of the installation block 20. Both guide blocks 21 pass through the rotating shaft 19. Guide grooves 23 for slidably connecting with the guide blocks 21 are provided at both ends of the rotating shaft 19, improving the stability of the movement of the installation block 20.

[0030] A switch is fixedly installed on the top of the installation frame 7. The motor 6 is electrically connected to the switch through a wire. The switch is electrically connected to an external power supply through a wire.

[0031] The working principle of the present utility model is:

[0032] When the present utility model is used, the sand box is placed on the top of the placing plate 11. Rotate the second turntable 17 to drive the bidirectional lead screw 10 to rotate, thereby driving the two clamping plates 1 to approach each other under the guidance of the slide rail 9 to clamp the sand box. After rotating to a suitable position, insert the bolt 16 through the second turntable 17 and screw it into the corresponding threaded groove 13 on the limiting disk 18. At this time, the sand box is fixed. At the same time, start the two servo-controlled motors 6. Drive the rotating shaft 19 to rotate through the motor 6, thereby driving the installation block 20 on the rotating shaft 19 to move synchronously. The installation block 20 drives the two installation plates 3 to rotate. The rotation of the installation plate 2 will drive the roller 4 to roll in the rolling groove 24 at the top of the wave groove 5, so that the connecting rod 2 moves up and down. During the up and down movement of the connecting rod 2, the top plate 12 will move up and down, thereby driving the sand box to move up and down, thus completing the high-frequency vibration during casting.

[0033] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A high-frequency vibration platform for lost foam casting, comprising a mounting frame (7), characterized in that: A vibration mechanism is symmetrically fixedly installed on the top of the installation frame (7), a top plate (12) is commonly arranged on the tops of the two vibration mechanisms, a support plate (15) is symmetrically fixedly installed on the front and rear sides of the top plate (12), a placement plate (11) is commonly fixedly installed on the tops of the two support plates (15), a bidirectional screw rod (10) is rotatably connected to the top of the top plate (12) through two bearing seats, the bidirectional screw rod (10) is located between the two support plates (15), a slide rail (9) is fixedly installed on the top of the top plate (12), a clamping plate (1) is symmetrically slidably connected to the top of the slide rail (9), the two clamping plates (1) are respectively threadedly connected to the forward and reverse threads of the bidirectional screw rod (10), the top of the clamping plate (1) passes through the placement plate (11), and a second rotating disk (17) is fixedly installed on one end of the bidirectional screw rod (10).

2. The lost foam casting high-frequency vibration platform according to claim 1, characterized in that: The outer side of the bidirectional screw rod (10) is rotatably connected to a limit plate (18), a fixing block is fixedly installed at the bottom of the limit plate (18), and the fixing block is fixed to the top plate (12) by fixing bolts, and a bolt (16) is provided on one side of the second rotating disk (17), and the bolt (16) passes through the second rotating disk (17) and is threadedly connected to the limit plate (18).

3. The lost foam casting high-frequency vibration platform according to claim 2, characterized in that: The limiting plate (18) is provided with a plurality of thread grooves (13) along the circumferential direction.

4. The lost foam casting high-frequency vibration platform according to claim 1, characterized in that: The placement plate (11) is provided with a sliding groove (14) for the two clamping plates (1) to pass through.

5. The lost foam casting high-frequency vibration platform according to claim 1, characterized in that: The vibration mechanism comprises a wave groove (5), a motor (6) is symmetrically fixedly installed inside the mounting frame (7), the bottoms of the two wave grooves (5) are fixedly connected to the top of the mounting frame (7), the output shaft of the motor (6) is fixedly installed with a fixed shaft, one end of the fixed shaft passes through the mounting frame (7) and is fixedly installed with a rotating shaft (19), a cavity is opened at the top of the rotating shaft (19), a spring (22) is fixedly installed on the bottom side of the cavity, one end of the spring (22) is fixedly installed with a mounting block (20), and the mounting The block (20) is slidably connected to the cavity, mounting plates (3) are fixedly installed on both sides of the mounting block (20), connecting rods (2) are symmetrically fixedly installed on the top of the mounting plates (3), a first turntable (8) is fixedly installed on the top of the two connecting rods (2) on each vibration mechanism, the first turntable (8) is rotatably connected to the top plate (12), a roller (4) is rotatably installed on the bottom of the mounting plate (3), a rolling groove (24) is opened on the top of the wave groove (5), and the roller (4) rolls inside the rolling groove (24).

6. The lost foam casting high-frequency vibration platform according to claim 5, characterized in that: A guide block (21) is symmetrically fixedly mounted on one side of the mounting block (20), and both guide blocks (21) pass through the rotating shaft (19). Both ends of the rotating shaft (19) are provided with guide grooves (23) for sliding connection with the guide blocks (21).

7. The lost foam casting high-frequency vibration platform according to claim 5, characterized in that: A switch is fixedly mounted on the top of the mounting frame (7); the motor (6) is electrically connected to the switch via a wire; and the switch is electrically connected to an external power source via a wire.

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