Separating head of casting sprue removing device

Abstract

The utility model provides a separating head of a casting pouring gate removing device, which comprises a stress part, a separating part and a connecting part, the separating part comprises a sliding part and a wedge-shaped part, the wedge-shaped part corresponds to the stress part, and the inclined surface of the wedge-shaped part is arranged on the side, away from the abutting surface, of the wedge-shaped part; the sliding part is arranged in the sliding sleeve, and the sliding part can move in the length direction of the sliding sleeve to enable the wedge-shaped part to be close to or away from the stress part; a guide surface is arranged on the sliding part, the pressing head is wedge-shaped, and when the pressing head moves towards the direction of the stress part, the guide surface can abut against the inclined surface of the pressing head, so that the separating part moves away from the direction of the stress part. According to the utility model, the abutting surface is in contact with the surface of the cast, and the inclined surface of the wedge-shaped part is in contact with the pouring gate part of the cast, so that the abutting surface and the main body part of the cast are prevented from sliding to influence the cast on the basis that the separation head is conveniently inserted into a gap between the pouring gate and the cast.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of foundry production, especially a kind of separating head of foundry gate removal device. BACKGROUND

[0002] In the production process of casting, liquid raw materials are usually poured into sand mold, in order to facilitate pouring, and to facilitate the mold to discharge the gas inside the cavity during pouring, to prevent the internal air from affecting the product forming, a plurality of pouring openings are usually provided in the sand mold, and the liquid raw materials are caused to rise into the pouring opening during pouring, to ensure that the raw materials of the casting are sufficient, but after the casting is formed, in addition to the casting itself, a pouring gate is also formed on the casting, which needs to be removed in subsequent processes by special tools. In the prior art, the separating head is inserted into the gap between the pouring gate and the casting, and then the pouring gate is removed by the separating head being opened by a hydraulic device, but the two sides of the existing separating head are wedge-shaped, which can cause the casting to slide on the inclined surface of the wedge during opening, affecting work efficiency, and also damaging the surface of the casting. SUMMARY

[0003] Therefore, the utility model aims at providing a separating head of foundry gate removal device to prevent the device from sliding on the surface of the casting.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A separating head of foundry gate removal device, comprising

[0006] a force receiving part comprising an abutting surface;

[0007] a separating part comprising a sliding part and a wedge-shaped part, the wedge-shaped part corresponding to the force receiving part, and the inclined surface of the wedge-shaped part being located on the side of the wedge-shaped part away from the abutting surface;

[0008] a sliding sleeve, the sliding part being located in the sliding sleeve, and the sliding part being able to move along the length direction of the sliding sleeve to make the wedge-shaped part approach or move away from the force receiving part;

[0009] a pressing head, the sliding part being provided with a guide surface, the pressing head being wedge-shaped, and the length direction of the pressing head being perpendicular to the length direction of the sliding sleeve, the tip of the pressing head being able to extend into the sliding sleeve, when the pressing head moves towards the force receiving part, the guide surface is able to abut against the inclined surface of the pressing head, and the separating part moves away from the force receiving part.

[0010] Further, the wedge-shaped part and the force receiving part are respectively provided with first V-shaped grooves, and the first V-shaped grooves of the wedge-shaped part and the force receiving part correspond to each other.

[0011] Further, the tip of the pressure head is provided with a second V-shaped groove, and the two first V-shaped grooves and the middle line of the second V-shaped groove are in the same plane.

[0012] Further, the sliding sleeve is provided with a spring, one end of the spring abuts against the end of the sliding sleeve, and the other end abuts against the sliding part.

[0013] Further, the bottom end of the stress part is provided with a chamfer near the abutting surface.

[0014] Further, the cross section of the sliding sleeve is in the shape of a Chinese character, and the opening of the sliding sleeve extends a boss inwardly, the sliding part is in the shape of T, and the two sides of the sliding part can abut against the inner side of the boss.

[0015] Further, the stress part is arranged at one end of the sliding sleeve.

[0016] Further, the inclined surface of the wedge-shaped part of the separating part is further provided with a pad, one side surface of the pad is attached to the inclined surface of the wedge-shaped part, and the other side surface is parallel to the inclined surface of the wedge-shaped part.

[0017] Further, the inclined surface of the wedge-shaped part is provided with a dovetail groove, the pad is provided with a dovetail connecting block, and the dovetail connecting block can be inserted into the dovetail groove.

[0018] Further, the two sides of the pad near one end of the guide sleeve are respectively provided with limiting surfaces, and the limiting surfaces can abut against the two side edges of the guide sleeve.

[0019] Compared with the prior art, the separating head of the casting gate removing device has the following advantages:

[0020] The abutting surface contacts the surface of the casted casting, the inclined surface of the wedge-shaped part contacts the gate part of the casting, and on the basis of facilitating the insertion of the separating head into the gap between the gate and the casting, the sliding of the abutting surface and the main body of the casting is prevented, and the influence on the casting is prevented.

[0021] The V-shaped grooves are arranged at the edges of the separating part and the stress part to clamp the connection between the casting and the gate, so that the force on the gate is balanced, and the gate and the casting are separated.

[0022] The chamfer arranged on the stress part cooperates with the inclined surface of the separating part, so as to facilitate the insertion of the stress part and the separating part into the gate and the casting.

[0023] The pad arranged on the separating part is used to adapt the device to more types of castings. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings, which form a part of this patent, are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:

[0025] Figure 1 It is a whole structure schematic view of the separation head in the embodiment;

[0026] Figure 2 It is an explosion schematic view of the separation head in the embodiment;

[0027] Figure 3 It is an internal structure sectional view of the separation head in the embodiment;

[0028] Figure 4 It is a connection relationship schematic view of the separation part and the pad.

[0029] Legend of reference signs:

[0030] 1-sleeve; 11-boss; 12-stress part; 121-abutting surface; 13-guide sleeve; 2-separation part; 21-sliding part; 211-guide surface; 22-wedge-shaped part; 23-first V-shaped groove; 24-dovetail groove; 3-spring; 4-press head; 41-guide column; 41-second V-shaped groove; 5-pad; 51-dovetail connecting block; 52-limit surface. DETAILED DESCRIPTION

[0031] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0032] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first", "second" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0033] In the description of the utility model, it is necessary to explain that, unless another explicit provision and limitation, the term "installation", "connection", "connect" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

[0034] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0035] The separation head of the casting gate removing device, comprising

[0036] The sliding sleeve 1 is in the shape of a Chinese character "fang", and a boss 11 extends inwardly from the edge of the opening of the sliding sleeve 1, so that the internal space of the sliding sleeve 1 is in the shape of a Chinese character "T", the end face of one end of the sliding sleeve 1 extends vertically downward to form a stress part 12, and the side of the stress part 12 away from the "T"-shaped space is provided with an abutting surface 121, which is perpendicular to the length direction of the sliding sleeve 1.

[0037] The separation part 2 comprises a sliding part 21 in the shape of a Chinese character "T", which is arranged in the sliding sleeve 1 and moves along the length direction of the sliding sleeve 1, and the sliding part 21 extends a wedge-shaped part 22 in the opening direction of the sliding sleeve 1, and the wedge-shaped part 22 is arranged opposite to the stress part 12, and the inclined surface of the wedge-shaped part 22 is arranged on the side of the wedge-shaped part 22 away from the abutting surface 121, so that when the sliding part 21 moves in the sliding sleeve 1, the inclined surface of the wedge-shaped part 22 can move away from or close to the abutting surface 121.

[0038] The sliding sleeve 1 is further provided with a spring 3, one end of the spring 3 abuts against the end face of the sliding sleeve 1 away from the stress part 12, and the other end abuts against the sliding part 21, so that when there is no external force intervention, the wedge-shaped part 22 is tightly pressed on the stress part 12 through the spring 3.

[0039] The pressure head 4 is wedge-shaped, the vertical surface of one side is parallel to the abutting surface 121 of the force receiving part 12, the inclined surface faces the sliding part 21, a through hole is formed in the side wall of the opening opposite side of the U-shaped sliding sleeve 1, and the through hole is arranged at the end of the sliding sleeve 1 close to the force receiving part 12, the vertical surface of the pressure head 4 can pass through the through hole to be attached to the inner side of the force receiving part 12, the inclined surface can abut against the sliding part 21, and when the pressure head 4 moves towards the sliding sleeve 1, the force receiving part 12 and the separating part 2 are separated from each other through the guidance of the inclined surface, the guiding surface 211 of the sliding part 21 is arranged to abut against the inclined surface of the pressure head 4, so that the cooperation between the pressure head 4 and the sliding part 21 during movement is more stable. The top end of the pressure head 4 extends upwardly to form a guide column 41, the edge of the through hole of the sliding sleeve 1 extends upwardly to form a guide sleeve 13, in the use process of the separating head, the pressure head 4 is connected with the hydraulic rod of the hydraulic machine of the sprue removing device, the shell of the removing device is connected with the guide sleeve 13, and an operator can control the force receiving part 12 and the separating part 2 of the separating head to be inserted into the gap between the casting sprue and the casting body, then the pressure head 4 is driven by the hydraulic machine, so that the force receiving part 12 and the separating part 2 are separated from each other, and the casting sprue and the casting body are separated. More specifically, the abutting surface 121 abuts against the casting body, and the inclined surface of the separating part 2 abuts against the casting sprue, so that the abutting surface 121 can abut against the surface of the casting body, compared with the existing separating head which adopts two inclined surfaces to abut against the casting, only one inclined surface of the separating head abuts against the casting in the use process of the separating head, the axial component force of the separating head is reduced, and sliding between the separating head and the casting is avoided, so that the casting body is not scratched.

[0040] The edges of the separating part 2 and the force receiving part 12 are respectively provided with first V-shaped grooves 23, and the first V-shaped grooves 23 of the separating part 2 and the force receiving part 12 correspond to each other, in the use process, the connection between the casting sprue and the casting body is clamped into the first V-shaped grooves 23, so that the force on both sides of the casting sprue is more uniform, the bending of the casting sprue to one side caused by the force on only one side of the casting sprue is prevented, and the separation of the casting sprue and the casting body is affected. The tip of the pressure head 4 is provided with a second V-shaped groove 41, and the center lines of the two first V-shaped grooves 23 and the second V-shaped groove 41 are in the same plane, and when the pressure head 4 moves downwardly, the connection between the casting sprue and the casting body can enter the second V-shaped groove 41, so that interference between the pressure head 4 and the connection is prevented, and the separation work is affected.

[0041] The bottom end of the force receiving part 12 is provided with a chamfer close to the abutting surface 121, and the chamfer cooperates with the inclined surface of the separating part 2, so that a sharp corner is formed at the bottom end of the separating head, and the separating part 2 and the force receiving part 12 are inserted into the gap between the casting sprue and the casting body.

[0042] The separating head of the casting sprue removing device further comprises a spacer 5, dovetail grooves 24 are formed on the inclined surface of the separating part 2, the spacer 5 is provided with dovetail connecting blocks 51, the dovetail connecting blocks 51 can be inserted into the dovetail grooves 24, so that the spacer 5 is connected with the separating part 2, the inclined surface of the wedge-shaped part 22 is in close contact with the surface of the side of the spacer 5 provided with the dovetail connecting blocks 51, the other side surface is parallel to the inclined surface of the wedge-shaped part 22, limiting surfaces 52 are respectively arranged on the two sides of the end of the spacer 5 close to the guide sleeve, and the limiting surfaces 52 can abut against the edges of the two sides of the opening of the guide sleeve. Therefore, the separating head can be applied to the working condition that a larger gap exists between the casting sprue and the main body of the casting.

[0043] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A knockout head of a cast gate removal apparatus, characterized by: The utility model relates to a kind of separating devices, including Force-receiving part, including abutting surface; Separation part, including sliding part and wedge part, the wedge part corresponds with force-receiving part, and the inclined surface of wedge part is placed on the side of wedge part away from abutting surface; Sliding sleeve, the sliding part is placed in sliding sleeve, and the sliding part can move along the length direction of sliding sleeve so that wedge part is close to or away from force-receiving part; Press head, the sliding part is equipped with guide surface, the press head is wedge-shaped, and the length direction of press head is perpendicular to the length direction of sliding sleeve, the tip of press head can extend into sliding sleeve, when press head moves to force-receiving part direction, the guide surface can be abutted with the inclined surface of press head, and make separation part move away from force-receiving part direction.

2. A knockout head for a casting gate removal apparatus according to claim 1, wherein: The edge of the wedge part and force-receiving part is respectively opened first V-shaped groove, and the first V-shaped groove of wedge part and force-receiving part corresponds.

3. A knockout head for a casting gate removal apparatus according to claim 2, wherein: The tip of the press head is opened second V-shaped groove, and the middle line of two first V-shaped grooves and second V-shaped groove is in the same plane.

4. A knockout head for a casting gate removal apparatus as defined in claim 1, wherein: The sliding sleeve is placed with a spring, one end of the spring is abutted to the end of sliding sleeve, and the other end is abutted on the sliding part.

5. A knockout head for a casting gate removal apparatus as defined in claim 1, wherein: The bottom end of force-receiving part is equipped with chamfer near abutting surface side.

6. A knockout head for a casting gate removal apparatus as defined in claim 1, wherein: The section of the sliding sleeve is T-shaped, and the sliding sleeve is extended out boss inwards at opening, the sliding part is T-shaped, and the two sides of sliding part can be abutted in the inside of boss respectively.

7. A knockout head for a casting gate removal apparatus as defined in claim 1, wherein: The force-receiving part is placed in one end of sliding sleeve.

8. A knockout head for a casting gate removal apparatus as defined in claim 1, wherein: The inclined surface of the wedge part of separation part can be further fixed with pad, one side surface of the pad is attached with the inclined surface of wedge part, and the other side surface is parallel with the inclined surface of wedge part.

9. A knockout head for a casting gate removal apparatus according to claim 8, wherein: The inclined surface of the wedge part is opened dovetail groove, the dovetail connecting block is equipped on the pad, and the dovetail connecting block can be inserted into dovetail groove.

10. A knockout head for a casting gate removal apparatus as defined in claim 8, wherein: The two sides of pad near the end of guide sleeve are respectively equipped with limiting surface, and the limiting surface can be abutted on the two side edges of guide sleeve.

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