High-strength wear-resistant lost foam casting hammerhead

By combining a grating plate and a hydraulic cylinder with a servo motor-driven sealing component, the problem of molding sand clumping and scattering was solved, achieving vibration-dispersion and efficient discharge of molding sand, thus improving the working environment and efficiency.

CN224209086UActive Publication Date: 2026-05-08扬州加润消失模科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
扬州加润消失模科技有限公司
Filing Date
2025-04-28
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

In the lost foam casting process, molding sand is prone to clumping and scattering, affecting the working environment. Furthermore, existing equipment experiences sand scattering during lifting, impacting work efficiency.

Method used

The system uses a combination of grating plates, hydraulic cylinders, and L-shaped fixing plates. The hydraulic cylinders lift the grating plates, which in turn drive the vibrating hammers in the casting box. Combined with a servo motor-driven sealing component, this system achieves the vibration, dispersal, and discharge of molding sand.

Benefits of technology

It effectively prevents molding sand from clumping and scattering, improves the cleanliness of the working environment, facilitates the reuse of molding sand, and enhances work efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224209086U_ABST
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Abstract

The utility model discloses a high-strength wear-resistant evanescent mode casting hammerhead which comprises a hammerhead casting box, a plugging piece used for plugging is installed at the bottom of the hammerhead casting box, supports are fixedly installed on the periphery of the bottom of the plugging piece, and a containing box is placed at the bottom of the plugging piece. A lifting mechanism for conveniently taking the hammer head is mounted in the hammer head casting box; through mutual cooperation of a grating plate, a hydraulic cylinder and an L-shaped fixing plate, when the hydraulic cylinder lifts the grating plate, a protruding block in a sliding sleeve is matched with a groove in the surface of a groove rod to drive the groove rod to rotate, while the groove rod rotates, a sleeve and a knocking rod are driven to synchronously rotate, and a hammer head casting box is knocked through a knocking head; in this way, vibration is generated between the hammer head casting box and molding sand in the hammer head casting box, the molding sand is scattered, and caked molding sand is prevented from being scattered in the surrounding working environment.
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Description

Technical Field

[0001] This utility model relates to the field of copper foil production technology, specifically to a high-strength, wear-resistant lost foam casting hammerhead. Background Technology

[0002] Lost foam casting is a new process that achieves near-zero allowance and precise molding. It involves bonding and assembling paraffin or foam models similar in size and shape to the casting into a model cluster, coating them with refractory paint and drying them, then embedding them in dry quartz sand and vibrating them to create the model. Under negative pressure, the model is poured, causing it to vaporize, and the liquid metal occupies the model's position. After solidification and cooling, the casting is formed. This new casting method is well-suited for casting crusher hammers.

[0003] In the prior art, as shown in the lost foam casting hammer head with the authorization announcement number "CN222536268U", the device uses a hydraulic cylinder to lift the hammer head that has cooled and formed in the hammer head casting box out of the hammer head casting box without having to dig it out of the quartz sand, which has the advantages of facilitating the unloading of the hammer head and improving work efficiency.

[0004] However, existing technologies still have significant shortcomings, such as:

[0005] In the existing technology, in the lost foam casting process, the molding sand is prone to agglomeration during the casting process; when the base plate is raised in the above reference case, the agglomerated molding sand will rise with it, and the agglomerated molding sand is not only easy to fall from the top of the hammer casting box, but also easy to affect the surrounding working environment. Utility Model Content

[0006] The purpose of this invention is to provide a high-strength, wear-resistant lost foam casting hammerhead to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a high-strength wear-resistant lost foam casting hammerhead, comprising a hammerhead casting box, a sealing component for sealing is installed at the bottom of the hammerhead casting box, supports are fixedly installed around the bottom of the sealing component, a receiving box is placed at the bottom of the sealing component, and a lifting mechanism for easy handling is installed inside the hammerhead casting box.

[0008] The lifting mechanism includes a grid plate that is slidably installed inside the hammer casting box. Hydraulic cylinders are fixedly installed on both sides of the hammer casting box. L-shaped fixing plates are fixedly installed on both sides of the top of the grid plate. The top of the L-shaped fixing plates extends to the outside of the hammer casting box and is fixedly connected to the telescopic end of the hydraulic cylinder.

[0009] A striking element for generating vibration is installed between the hammer casting box and the grating plate.

[0010] Preferably, the striking element includes mounting plates fixedly installed on both sides inside the grating plate, a sliding sleeve is installed through the top of the mounting plate, a protrusion is fixedly installed on one side inside the sliding sleeve, and a groove rod that slides with the protrusion is installed through the inside of the sliding sleeve.

[0011] Support plates are fixedly installed on the top and bottom of both sides of the inner cavity of the hammer casting box. The support plates are sleeved on the surface of the protrusion and rotatably connected to it.

[0012] Sleeves are fixedly installed at the top and bottom of the protrusion, and a striking rod is installed through the inside of the sleeve. The sleeve and the striking rod are slidably connected, and striking heads are fixedly installed at both ends of the striking rod outside the sleeve.

[0013] Preferably, a sliding plate is fixedly installed on the surface of the striking rod inside the sleeve, and a return spring is fixedly installed on both sides of the sliding plate. The end of the return spring away from the sliding plate is fixedly connected to the inner wall of the sleeve.

[0014] Preferably, the sealing component includes a mounting housing fixedly installed at the bottom of the hammer casting box, with sealing plates slidably installed on both sides of the top of the mounting housing, and a bidirectional screw rotatably installed inside the mounting housing. One end of the bidirectional screw penetrates the mounting housing and extends to the outside of the mounting housing, and a threaded sleeve is fixedly installed on one side of the bottom of each of the two sealing plates. The threaded sleeve is sleeved on the surface of the bidirectional screw and threadedly connected to it.

[0015] A worm gear is fixedly installed at one end of the bidirectional screw located outside the mounting housing. A servo motor is installed on one side of the mounting housing, and a worm gear that meshes with the worm gear is fixedly installed at the output end of the servo motor.

[0016] Preferably, guide rails are fixedly installed on both the front and rear sides inside the mounting housing, and slide blocks are fixedly installed on both the front and rear sides of the bottom of the sealing plate, with the guide rails and slide blocks being slidably connected.

[0017] Preferably, the striking head is elliptical in shape and is made of rubber.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] 1. By utilizing the cooperation between the grating plate, hydraulic cylinder and L-shaped fixing plate, when the hydraulic cylinder lifts the grating plate, the protrusion inside the sliding sleeve cooperates with the groove on the surface of the groove rod, driving the groove rod to rotate. While the groove rod is rotating, it drives the sleeve and the striking rod to rotate synchronously, and uses the striking head to strike the hammer casting box, thereby generating vibration on the hammer casting box and the molding sand inside, breaking up the molding sand and preventing the clumps of molding sand from falling into the surrounding working environment.

[0020] 2. By utilizing the sealing components, after the hammerhead is cast, the servo motor drives the worm gear to rotate, and the meshing connection between the worm gear and the worm wheel drives the bidirectional screw to rotate. While the bidirectional screw is rotating, the threaded connection between the threaded sleeve and the bidirectional screw drives the two sealing plates to move outward synchronously, allowing the molding sand inside the hammerhead casting box to fall into the receiving box. This allows the molding sand inside the hammerhead casting box to be discharged, facilitating subsequent reuse. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a cross-sectional structural diagram of the hammerhead casting box of this utility model;

[0023] Figure 3 This is a schematic diagram of the striking component structure of this utility model;

[0024] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A;

[0025] Figure 5 This is a schematic diagram of the sealing component structure of this utility model.

[0026] In the diagram: 1. Hammer casting box; 2. Sealing component; 21. Mounting housing; 22. Sealing plate; 23. Bidirectional screw; 24. Threaded sleeve; 25. Worm gear; 26. Servo motor; 27. Worm; 28. Guide rail; 29. ​​Slide; 3. Support; 4. Receiving box; 5. Lifting mechanism; 51. Grating plate; 52. Hydraulic cylinder; 53. L-shaped fixing plate; 54. Striking component; 541. Mounting plate; 542. Slide sleeve; 543. Protrusion; 544. Groove rod; 545. Support plate; 546. Sleeve; 547. Striking rod; 548. Striking head; 549. Slide plate; 5401. Return spring. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1:

[0029] Please see Figures 1-5This utility model provides a technical solution: a high-strength wear-resistant lost foam casting hammer head, including a hammer head casting box 1, a sealing component 2 for sealing is installed at the bottom of the hammer head casting box 1, a support 3 is fixedly installed around the bottom of the sealing component 2, a receiving box 4 is placed at the bottom of the sealing component 2, and a lifting mechanism 5 for easy handling is installed inside the hammer head casting box 1.

[0030] The lifting mechanism 5 includes a grid plate 51 that is slidably installed inside the hammer casting box 1. Hydraulic cylinders 52 are fixedly installed on both sides of the hammer casting box 1. L-shaped fixing plates 53 are fixedly installed on both sides of the top of the grid plate 51. The top of the L-shaped fixing plates 53 extends to the outside of the hammer casting box 1 and is fixedly connected to the telescopic end of the hydraulic cylinders 52.

[0031] In this embodiment, the hydraulic cylinder 52 can extend and retract to move the L-shaped fixing plate 53 up and down, so as to lift the grid plate 51 and facilitate the workers to pick up the cast hammer.

[0032] A striking element 54 for generating vibration is installed between the hammer casting box 1 and the grating plate 51. The striking element 54 includes a mounting plate 541 fixedly installed on both sides inside the grating plate 51. A sliding sleeve 542 is installed through the top of the mounting plate 541. A protrusion 543 is fixedly installed on one side inside the sliding sleeve 542. A grooved rod 544 that slides with the protrusion 543 is installed through the inside of the sliding sleeve 542. Support plates 545 are fixedly installed on the top and bottom of both sides of the inner cavity of the hammer casting box 1. The support plates 545 are sleeved on the surface of the protrusion 543 and rotate with it. Connection; Sleeves 546 are fixedly installed at the top and bottom of the protrusion 543. A striking rod 547 is installed through the inside of the sleeve 546. The sleeve 546 and the striking rod 547 are slidably connected. Striking heads 548 are fixedly installed at both ends of the striking rod 547 outside the sleeve 546. A sliding plate 549 is fixedly installed on the surface of the striking rod 547 inside the sleeve 546. A return spring 5401 is fixedly installed on both sides of the sliding plate 549. The end of the return spring 5401 away from the sliding plate 549 is fixedly connected to the inner wall of the sleeve 546.

[0033] In this embodiment, the movement trend of the hydraulic cylinder 52 can be used to strike the hammer casting box 1. For example, when the grid plate 51 is lifted, the protrusion 543 inside the sliding sleeve 542 cooperates with the groove on the surface of the groove rod 544, driving the groove rod 544 to rotate. While the groove rod 544 is rotating, it drives the sleeve 546 and the striking rod 547 to rotate synchronously, and the striking head 548 is used to strike the hammer casting box 1, so as to generate vibration on the hammer casting box 1 and the molding sand inside, and break up the molding sand.

[0034] The striking head 548 is oval in shape and is made of rubber.

[0035] In this embodiment, when the striking head 548 contacts the hammer casting box 1, it can protect the hammer casting box 1, preventing the striking head 548 from directly and rigidly contacting the hammer casting box 1 and causing damage to the hammer casting box 1, thus affecting the vibration of the hammer casting box 1.

[0036] Example 2:

[0037] Based on Example 1, this example considers that although Example 1 can achieve vibration and dispersal of molding sand, in actual use, due to the flow characteristics of molding sand, the bottom of the hammer casting box 1 needs to be sealed. Therefore, this example uses the following structure to seal the bottom of the hammer casting box 1.

[0038] The sealing component 2 includes a mounting housing 21 fixedly installed at the bottom of the hammer casting box 1. Sealing plates 22 are slidably installed on both sides of the top of the mounting housing 21. A bidirectional screw 23 is rotatably installed inside the mounting housing 21. One end of the bidirectional screw 23 passes through the mounting housing 21 and extends to the outside of the mounting housing 21. Threaded sleeves 24 are fixedly installed on one side of the bottom of the two sealing plates 22. The threaded sleeves 24 are fitted onto the surface of the bidirectional screw 23 and threadedly connected to it. A worm gear 25 is fixedly installed at the end of the bidirectional screw 23 located outside the mounting housing 21. A servo motor 26 is installed on one side of the mounting housing 21. A worm 27 that meshes with the worm gear 25 is fixedly installed at the output end of the servo motor 26.

[0039] In this embodiment, the servo motor 26 drives the worm gear 27 to rotate, and the meshing connection between the worm gear 27 and the worm wheel 25 drives the bidirectional screw 23 to rotate. While the bidirectional screw 23 is rotating, the threaded connection between the threaded sleeve 24 and the bidirectional screw 23 drives the two sealing plates 22 to move outward synchronously, opening the bottom of the hammer casting box 1, so that the unconsolidated molding sand inside the hammer casting box 1 falls into the receiving box 4.

[0040] Guide rails 28 are fixedly installed on both the front and rear sides inside the housing 21, and slide blocks 29 are fixedly installed on both the front and rear sides of the bottom of the sealing plate 22. The guide rails 28 and slide blocks 29 are slidably connected.

[0041] In this embodiment, the sealing plate 22 can maintain its stability when it moves, thus preventing the sealing plate 22 from shifting during movement and affecting the sealing of the bottom of the hammer casting box 1.

[0042] Working principle: After the hammer casting is completed, the servo motor 26 drives the worm 27 to rotate, and the meshing connection between the worm 27 and the worm wheel 25 drives the bidirectional screw 23 to rotate. While the bidirectional screw 23 is rotating, the threaded connection between the threaded sleeve 24 and the bidirectional screw 23 drives the two sealing plates 22 to move outward synchronously, opening the bottom of the hammer casting box 1, so that the unconsolidated molding sand inside the hammer casting box 1 falls into the receiving box 4.

[0043] During the falling of the molding sand, the hydraulic cylinder 52 drives the L-shaped fixing plate 53 to move upward, and the fixed connection between the L-shaped fixing plate 53 and the grid plate 51 drives the grid plate 51 to move upward synchronously. When the grid plate 51 is lifted, the protrusion 543 inside the sliding sleeve 542 cooperates with the groove on the surface of the groove rod 544, driving the groove rod 544 to rotate. While the groove rod 544 is rotating, it drives the sleeve 546 and the striking rod 547 to rotate synchronously, and the striking head 548 strikes the hammer casting box 1 to generate vibration on the hammer casting box 1 and the molding sand inside, breaking up the molding sand so that it can fall into the receiving box 4.

[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-strength, wear-resistant lost foam casting hammerhead, comprising a hammerhead casting box (1), wherein a sealing component (2) for sealing is installed at the bottom of the hammerhead casting box (1), and supports (3) are fixedly installed around the bottom of the sealing component (2), and a receiving box (4) is placed at the bottom of the sealing component (2), characterized in that: The hammer casting box (1) is equipped with a lifting mechanism (5) for easy handling. The lifting mechanism (5) includes a grid plate (51) that is slidably installed inside the hammer casting box (1). Hydraulic cylinders (52) are fixedly installed on both sides of the hammer casting box (1). L-shaped fixing plates (53) are fixedly installed on both sides of the top of the grid plate (51). The top of the L-shaped fixing plate (53) extends to the outside of the hammer casting box (1) and is fixedly connected to the telescopic end of the hydraulic cylinder (52). A striking element (54) for generating vibration is installed between the hammer casting box (1) and the grating plate (51).

2. The high-strength, wear-resistant lost foam casting hammerhead according to claim 1, characterized in that: The striking element (54) includes a mounting plate (541) fixedly installed on both sides inside the grille plate (51). A sliding sleeve (542) is installed through the top of the mounting plate (541). A protrusion (543) is fixedly installed on one side inside the sliding sleeve (542). A grooved rod (544) that slides with the protrusion (543) is installed through the inside of the sliding sleeve (542). The top and bottom of both sides of the inner cavity of the hammer casting box (1) are fixedly installed with support plates (545), and the support plates (545) are sleeved on the surface of the protrusion (543) and rotatably connected to it. A sleeve (546) is fixedly installed at both the top and bottom of the protrusion (543). A striking rod (547) is installed through the inside of the sleeve (546). The sleeve (546) and the striking rod (547) are slidably connected. A striking head (548) is fixedly installed at both ends of the striking rod (547) outside the sleeve (546).

3. The high-strength, wear-resistant lost foam casting hammerhead according to claim 2, characterized in that: The striking rod (547) is fixedly mounted on a sliding plate (549) inside the sleeve (546). A return spring (5401) is fixedly mounted on both sides of the sliding plate (549). The end of the return spring (5401) away from the sliding plate (549) is fixedly connected to the inner wall of the sleeve (546).

4. A high-strength, wear-resistant lost foam casting hammerhead according to claim 3, characterized in that: The sealing component (2) includes a mounting housing (21) fixedly installed at the bottom of the hammer casting box (1). Both sides of the top of the mounting housing (21) are slidably installed with sealing plates (22). A bidirectional screw (23) is rotatably installed inside the mounting housing (21). One end of the bidirectional screw (23) passes through the mounting housing (21) and extends to the outside of the mounting housing (21). A threaded sleeve (24) is fixedly installed on one side of the bottom of the two sealing plates (22). The threaded sleeve (24) is sleeved on the surface of the bidirectional screw (23) and threadedly connected to it. The bidirectional screw (23) has a worm gear (25) fixedly installed at one end outside the mounting housing (21). A servo motor (26) is installed on one side of the mounting housing (21). A worm (27) that meshes with the worm gear (25) is fixedly installed at the output end of the servo motor (26).

5. A high-strength, wear-resistant lost foam casting hammerhead according to claim 4, characterized in that: The front and rear sides of the mounting housing (21) are fixedly installed with guide rails (28), and the front and rear sides of the bottom of the sealing plate (22) are fixedly installed with slide blocks (29). The guide rails (28) and slide blocks (29) are slidably connected.

6. A high-strength, wear-resistant lost foam casting hammerhead according to claim 2, characterized in that: The striking head (548) is elliptical in shape and is made of rubber.

Citation Information

Patent Citations

  • Lost foam casting hammerhead

    CN222536268U