Compaction mechanism and lost foam casting device

By employing a three-dimensional vibration motor and damping spring in the lost foam casting device, the problem of uneven sand filling density in traditional devices has been solved, thereby improving casting quality and production efficiency.

CN223465530UActive Publication Date: 2025-10-24FUJIAN XINJIAXIN IND CO LTD
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Patent Information

Application Number
CN202422973019.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-10-24
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

The vibration mechanism of the traditional lost foam casting device can only vibrate in one or two directions, resulting in uneven filling density of the molding sand in the sand box, affecting the quality of the casting.

Method used

Design a vibration compaction mechanism, in which a vibration motor is installed at the front, back, left, right and bottom of the vibration mechanism to achieve three-dimensional vibration. Combined with shock-absorbing springs, this ensures that the dry sand flows and compacts fully in three-dimensional space.

Benefits of technology

By employing three-dimensional vibration and damping measures, the filling properties and density of dry sand are improved, casting defects are prevented, the impact of vibration on equipment and the environment is reduced, and the quality of castings is ensured.

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Abstract

The utility model relates to the technical field of lost foam casting, in particular to a jolt ramming mechanism and a lost foam casting device.The jolt ramming mechanism comprises a vibrating mechanism, a plurality of vibrating motors are arranged on the outer wall of the vibrating mechanism, and a sand box is arranged above the vibrating mechanism; a plurality of supporting rods are arranged on the surface of the stabilizing plate, and damping springs are arranged above the supporting rods; the device has the beneficial effects that the vibration motors mounted on the outer wall of the vibration mechanism can be started and mounted on the front portion, the rear portion, the left portion, the right portion and the lower portion of the vibration mechanism, so that the vibration motors can apply up-down, left-right and front-back three-dimensional vibration to the sand box, dry sand can flow and be compacted more sufficiently under the three-dimensional vibration, all parts of a model can be better filled, and the sand box is more compact. The filling performance and density of the dry sand are improved, the casting defects are effectively prevented, meanwhile, the damping springs play a role in buffering vibration, the influence of vibration on the surrounding environment and equipment is reduced, and therefore the problems that the filling density of molding sand in the sand box is not uniform, and the casting quality is influenced are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lost foam casting technology, specifically to a vibration mechanism and lost foam casting device. BACKGROUND

[0002] The lost foam casting device has important influence in modern casting industry, first, the lost foam casting adopts disposable foam model, fills the molten metal into the model inside through negative pressure suction casting technology, simplifies multiple procedures in traditional casting, significantly improves production efficiency, and in the lost foam casting process, the foam model gasifies under high temperature, the gas formed is discharged through the sand mold, reduces the air hole and inclusion in the casting, improves the compactness and surface finish of the casting, and the lost foam casting can easily realize the production of complex shape and thin wall casting, is suitable for various alloy materials, has higher design and manufacturing flexibility, in short, the lost foam casting device not only improves production efficiency, but also improves the flexibility of casting quality production, brings significant technical progress and economic benefits for the casting industry.

[0003] In the prior art, the vibration mechanism of the traditional lost foam casting device is mainly composed of a group of vibration motors, a support structure and a damping structure, wherein the vibration motor makes the sand in the sand mold closely arranged through vibration, thereby ensuring the quality of the casting, the support structure is responsible for fixing the vibration motor and the whole vibration mechanism, and ensures stable operation, and the damping structure is used for absorbing and dispersing the impact force generated in the vibration process, reducing the influence on the equipment and the surrounding environment, prolonging the service life of the equipment, thereby ensuring the normal operation of the whole device.

[0004] However, the vibration mechanism of the traditional lost foam casting device is only equipped with a group of vibration motors, which can only make the sand box vibrate in single direction or double direction, and it is difficult to make the dry sand flow and compact in the sand box, resulting in uneven filling density of the sand in the sand box, affecting the quality of the casting, therefore, the utility model provides a vibration mechanism and lost foam casting device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a vibration mechanism and lost foam casting device to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a vibration mechanism, the vibration mechanism includes: a vibration mechanism, a plurality of vibration motors are arranged on the outer wall of the vibration mechanism, a sand box is arranged above the vibration mechanism;

[0007] A stabilizing plate is arranged on the vibration mechanism, a plurality of support rods are arranged on the surface of the stabilizing plate, and a damping spring is arranged above the support rod.

[0008] Preferably, the front and back, left and right and below of the vibrating mechanism are provided with vibrating motors, and the surface of the vibrating mechanism is fixedly connected with a support plate.

[0009] Preferably, the support plate is in a square plate structure, the surface of the support plate is fixedly provided with a fixed frame, a plurality of holes are formed in the side surface of the fixed frame, a fastening screw is arranged in the hole, and a limiting block is arranged on the central surface of the inner wall of the fixed frame.

[0010] Preferably, the sand box is in a cuboid structure, the sand box is placed in the fixed frame, a limiting groove is formed in the bottom of the sand box, and the limiting block is clamped into the limiting groove.

[0011] Preferably, the fastening screw is externally screwed with a fastening threaded pipe, the fastening threaded pipe is fixedly arranged on the side surface of the fixed frame in front of the hole, the end of the fastening screw close to the sand box is fixedly connected with an anti-skid gasket, the anti-skid gasket abuts against the side surface of the sand box, and the other end of the fastening screw is fixedly connected with a rotating disc.

[0012] Preferably, the damping spring is fixedly arranged between the support rod and the support plate, a limiting rod is fixedly arranged at the corner of the bottom surface of the support plate, the limiting rod is opposite to the support rod, a fixing rod is arranged at the end of the support rod away from the support plate, and the damping spring is sleeved on the surface of the limiting rod and the fixing rod.

[0013] A lost foam casting device comprising the vibrating mechanism.

[0014] Compared with the prior art, the vibrating mechanism and the lost foam casting device have the advantages that:

[0015] The vibrating mechanism and the lost foam casting device have the advantages that: the vibrating motor installed on the outer wall of the vibrating mechanism can be started, the vibrating motor is installed on the front, back, left and right and below of the vibrating mechanism, the vibrating motor can exert three-dimensional vibration on the sand box, the dry sand can flow and compact more fully under the three-dimensional vibration, the dry sand can better fill each part of the model, the filling property and the density of the dry sand are improved, casting defects are effectively prevented, the damping spring also buffers the vibration, the influence of the vibration on the surrounding environment and equipment is reduced, the problem that the filling density of the sand in the sand box is uneven and the quality of the casting is affected is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a structural fixed frame internal structure schematic view of the utility model;

[0018] Fig. 3 It is a vibrating mechanism bottom view schematic view of the utility model;

[0019] Fig. 4The utility model discloses a structure sand box structure elevation view schematic diagram.

[0020] In the figure: 1, vibration mechanism;2, vibration motor;3, sand box;4, stabilizing plate;5, support rod;6, shock absorbing spring;7, support plate;8, fixed frame;9, fastening screw rod;10, fastening screw pipe;11, limit block;12, limit groove;13, antiskid gasket;14, limit rod;15, rotary disc. DETAILED DESCRIPTION

[0021] In order to make the utility model purposes, technical scheme carry out clearly, complete description, and the advantage is more clear and distinct, following combining the drawing to the utility model embodiment further detailed explanation.Should understand, the specific embodiment described here is the utility model a part embodiment, instead of all the embodiment, only use to explain the utility model embodiment, and do not use to limit the utility model embodiment, and all other embodiments that the ordinary skill in the art obtains under the premise of not making the creative labor, belong to the scope of the utility model protection.

[0022] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like is the orientation or position relation based on the shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation structure and operation, therefore, cannot be understood as the limitation of the utility model. In addition, the terms "a", "first", "second", "third", "fourth", "fifth", "sixth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through the intermediate medium, can be the communication inside two elements. For the ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] For the purposes of simplicity and illustration, the principles of the embodiments are primarily described by way of reference example. In the following description, numerous specific details are set forth to provide a thorough understanding of the embodiments. It will be apparent, however, to one ordinarily skilled in the art that the embodiments can be practiced without the specific details and that numerous implementation choices may be made. In some instances, well-known methods and structures have not been described in detail in order to avoid unnecessarily obscuring the embodiments. Also, all embodiments can be used in combination with each other.

[0025] Embodiment one: please refer to Figs. 1 to 4 The utility model provides a technical scheme: a vibration mechanism, vibration mechanism 1 outside wall is provided with a plurality of vibration motor 2, vibration mechanism 1 top is provided with sand box 3;

[0026] Stable plate 4, stable plate 4 surface is provided with a plurality of support rod 5, support rod 5 top is provided with shock absorbing spring 6, a lost foam casting device, including vibration mechanism described;

[0027] When using, can pass through starting vibration mechanism 1 outside wall installation vibration motor 2, and vibration motor 2 is installed in the front and back, left and right and below vibration mechanism 1, therefore vibration motor 2 can exert three-dimensional vibration of up and down, left and right, front and back to sand box 3, and dry sand can more fully flow and compact under three-dimensional vibration, better fill each part of the model, improve the filling property and density of dry sand, effectively prevent casting defects, and at the same time shock absorbing spring 6 also play the buffering effect to vibration, reduce the influence of vibration to surrounding environment and equipment, in this way avoid the problem that the sand filling density in sand box 3 is not uniform, influence casting quality.

[0028] Embodiment two: on the basis of embodiment one in order to make the dry sand in sand box 3 better fill each part of the model is provided with vibration mechanism 1, and vibration motor 2 is installed in the front and back, left and right and below vibration mechanism 1, and vibration mechanism 1 surface fixedly connected with support plate 7;Sand box 3 is as a whole and presents a cuboid structure, and the sand box 3 is placed in a fixed frame 8, a limiting slot 12 is formed in the bottom of the sand box 3, and a limiting block 11 is clamped into the limiting slot 12;The dry sand in the sand box 3 can flow and compact more fully under three-dimensional vibration by starting the vibration motor 2 arranged on each surface of the vibration mechanism 1, so as to better fill each part of the model.

[0029] The support plate 7 is in a square plate structure as a whole, the support plate 7 is fixedly installed with a fixed frame 8 on the surface, a plurality of holes are formed in the side surface of the fixed frame 8, a fastening screw rod 9 is arranged in the hole, a limiting block 11 is arranged on the inner wall surface of the fixed frame 8 in the center, the fastening screw rod 9 is externally screwed with a fastening threaded pipe 10, the fastening threaded pipe 10 is fixedly installed on the side surface of the fixed frame 8 in front of the hole, the fastening screw rod 9 is fixedly connected with an anti-skid washer 13 at the end close to the sand box 3, the anti-skid washer 13 abuts against the side surface of the sand box 3, the fastening screw rod 9 is fixedly connected with a rotating disc 15 at the other end, the sand box 3 is clamped in the fixed frame 8 through the limiting block 11 and is fixedly installed in the fixed frame 8 through the fastening screw rod 9, so that the sand box 3 is prevented from being separated from the device when vibrating, and the dry sand in the sand box 3 is better filled in each part of the model.

[0030] In order to reduce the influence of equipment vibration on the surrounding environment and equipment, the damping spring 6 is arranged on the basis of the embodiment two, the damping spring 6 is fixedly installed between the support rod 5 and the support plate 7, the limiting rod 14 is fixedly installed at the corner of the bottom surface of the support plate 7, the limiting rod 14 is opposite to the support rod 5, the fixed rod is arranged at the end away from the stabilizing plate 4 of the support rod 5, and the damping spring 6 is sleeved on the surface of the limiting rod 14 and the fixed rod, the damping spring 6 is located between the support plate 7 and the support rod 5, when the vibration mechanism 1 at the bottom of the support plate 7 vibrates, the damping spring 6 buffers the vibration mechanism 1, so that the influence of equipment vibration on the surrounding environment and equipment is reduced.

[0031] Working principle: in actual use, the vibration motor 2 installed on the outer wall of the vibration mechanism 1 can be started, and the vibration motor 2 is installed in front of, behind, left and right of and below the vibration mechanism 1, so that the vibration motor 2 can exert three-dimensional vibration on the sand box 3 in up-down, left-right and front-back directions, the dry sand can flow and compact more fully under the three-dimensional vibration, and each part of the model can be better filled, the filling property and density of the dry sand are improved, casting defects are effectively prevented, and the damping spring 6 also buffers the vibration, so that the influence of the vibration on the surrounding environment and equipment is reduced, so that the problem that the sand filling density in the sand box 3 is uneven and the casting quality is affected is avoided.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A tapping mechanism characterized by: The vibrating mechanism includes a vibrating mechanism (1), the outer wall of the vibrating mechanism (1) is provided with a plurality of vibrating motors (2), and the upper portion of the vibrating mechanism (1) is provided with a sand box (3); A stabilizing plate (4) is arranged on the surface of the vibrating mechanism (1), and a plurality of supporting rods (5) are arranged on the surface of the stabilizing plate (4); and a damping spring (6) is arranged on the upper portion of the supporting rod (5).

2. A tamping mechanism according to claim 1, characterized in that: The vibrating mechanism (1) is provided with vibrating motors (2) in front, back, left, right and lower portions, and the surface of the vibrating mechanism (1) is fixedly connected with a supporting plate (7).

3. A jolter according to claim 2, wherein: The supporting plate (7) is in a square plate structure, the surface of the supporting plate (7) is fixedly provided with a fixed frame (8), a plurality of holes are formed in the side surface of the fixed frame (8), a fastening screw rod (9) is arranged in the hole, and a limiting block (11) is arranged on the inner wall surface of the fixed frame (8).

4. A jolter according to claim 1, wherein: The sand box (3) is in a cuboid structure, the sand box (3) is placed in the fixed frame (8), a limiting groove (12) is formed in the bottom of the sand box (3), and the limiting groove (12) is clamped with the limiting block (11).

5. A jolter according to claim 3, wherein: The fastening screw rod (9) is externally screwed with a fastening threaded pipe (10), the fastening threaded pipe (10) is fixedly arranged on the side surface of the fixed frame (8) in front of the hole, the fastening screw rod (9) is fixedly connected with an anti-skid gasket (13) at the end close to the sand box (3), the anti-skid gasket (13) is arranged on the side surface of the sand box (3), and the other end of the fastening screw rod (9) is fixedly connected with a rotating disc (15).

6. A jolter according to claim 1, wherein: The damping spring (6) is fixedly arranged between the supporting rod (5) and the supporting plate (7), a limiting rod (14) is fixedly arranged at the bottom corner of the supporting plate (7), the limiting rod (14) is opposite to the supporting rod (5), a fixed rod is arranged at the end of the supporting rod (5) away from the stabilizing plate (4), and the damping spring (6) is sleeved on the surface of the limiting rod (14) and the fixed rod.

7. An expendable pattern casting apparatus characterized by comprising: The vibrating mechanism includes the vibrating mechanism (1) and the sand box (3).