CN212792956U

CN212792956U - Fastening device for casting

Info

Publication number: CN212792956U
Application number: CN202021446030.2U
Authority: CN
Inventors: 李莹; 林康富
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-26
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a fastener is used in casting, including the mould of fixed mounting on the workstation, install the gland on the mould, the symmetry is equipped with two spouts on the lateral wall of mould, and equal sliding connection has a slider, two in two spouts equal fixed mounting has the screw rod on the slider, fixed mounting has the connecting block that two symmetries set up on the lateral wall of gland, and be equipped with on two connecting blocks with screw rod matched with through-hole, two the equal fixed mounting of mid portion of screw rod has the fixed block, and two equal threaded connection in screw rod upper end has fastening nut, the sliding connection is equipped with the support ring on the mould. Has the advantages that: the utility model discloses can adjust the height of the relative mould of gland as required to can make the gland lower extreme exert pressure to the liquid metal surface in the mould, keep its shaping back surfacing, ensure the processing effect, and the operating mode is comparatively simple and convenient, easily realizes.

Description

Fastening device for casting

Technical Field

The utility model relates to a casting technical field especially relates to a fastener is used in casting.

Background

Casting is a metal hot working process, which is one of the basic processes of modern device manufacturing industry, and liquid metal is cast into a casting cavity corresponding to the shape of a part, and a part or a blank with a corresponding shape can be obtained after the liquid metal is cooled and solidified.

In the existing casting cavity, the distance between the cover body and the bottom of the cavity is a fixed value, when parts or blanks with different thicknesses need to be produced, although the forming thickness of the parts or blanks can be adjusted by changing the casting amount of liquid metal, the surface shape of the formed parts or blanks can be different due to the fact that enough pressure cannot be applied to the surface of the liquid metal, and the machining effect is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a fastening device for casting.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fastener is used in casting, includes the mould of fixed mounting on the workstation, install the gland on the mould, the symmetry is equipped with two spouts on the lateral wall of mould, and equal sliding connection has a slider, two in two spouts equal fixed mounting has the screw rod on the slider, fixed mounting has the connecting block that two symmetries set up on the lateral wall of gland, and is equipped with the through-hole with screw rod matched with on two connecting blocks, two the equal fixed mounting of mid portion of screw rod has the fixed block, and the equal threaded connection in two screw rods upper end has fastening nut, sliding sleeve is equipped with the support ring on the mould, two support adjustment mechanism are installed to the symmetry between support ring and the workstation, install control mechanism on the workstation.

In the fastening device for casting, the support adjusting mechanism comprises a T-shaped groove, the T-shaped groove is formed in the workbench, a T-shaped block is connected to the T-shaped groove in a sliding mode, a connecting rod is connected between the T-shaped block and the support ring in a rotating mode, and a tension spring is installed between the T-shaped block and the T-shaped groove.

In foretell fastener is used in casting, control mechanism includes servo motor, servo motor fixed mounting is on the lateral wall of workstation, two all be equipped with the shifting chute on the lateral wall of T-slot, and rotate between two shifting chutes and be connected with two-way lead screw, the one end of two-way lead screw and servo motor's output fixed connection, two equal fixed mounting of T-shaped piece lower extreme has the movable block, and two movable blocks sliding connection respectively are at two shifting chutes, two the movable block all with two-way lead screw threaded connection.

In the fastening device for casting, two symmetrically arranged limiting blocks are fixedly mounted on the inner wall of the support ring, and two limiting grooves matched with the corresponding limiting blocks are formed in the side wall of the mold.

In the fastening device for casting, the sliding block, the connecting block and the supporting ring are all made of hard metal materials.

Compared with the prior art, the utility model discloses the advantage lies in:

1: through the cooperation of slider and spout, can adjust the relative mould of gland height to can make the gland lower extreme exert pressure to the liquid metal surface in the mould, keep its shaping back surface level, ensure the processing effect.

2: through the cooperation of support ring and support adjustment mechanism, can ensure that the support ring is stable to the support effect of two sliders, and can drive two sliders simultaneously and remove when the support ring removes, can ensure the accuracy to gland and mould altitude mixture control.

3: through the cooperation of servo motor and two-way lead screw for the altitude mixture control operation of support ring easily realizes, thereby can reduce gland and mould altitude mixture control's the operation degree of difficulty, is convenient for carry out production operation.

To sum up, the utility model discloses can adjust the height of the relative mould of gland as required to can make the gland lower extreme exert pressure to the liquid metal surface in the mould, keep its shaping back surfacing, ensure the processing effect, and the operating mode is comparatively simple and convenient, easily realizes.

Drawings

Fig. 1 is a schematic structural view of a fastening device for casting according to the present invention;

FIG. 2 is a side view of FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a workbench 1, a die 2, a gland 3, a sliding groove 4, a sliding block 5, a screw 6, a connecting block 7, a fixing block 8, a fastening nut 9, a support ring 10, a T-shaped groove 11, a T-shaped block 12, a connecting rod 13, a tension spring 14, a moving groove 15, a moving block 16, a bidirectional screw 17, a servo motor 18, a limiting groove 19 and a limiting block 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a fastening device for casting comprises a mold 2 fixedly mounted on a workbench 1, a gland 3 is mounted on the mold 2, two chutes 4 are symmetrically arranged on the side wall of the mold 2, sliders 5 are slidably connected in the two chutes 4, screws 6 are fixedly mounted on the two sliders 5, two symmetrically arranged connecting blocks 7 are fixedly mounted on the side wall of the gland 3, through holes matched with the screws 6 are arranged on the two connecting blocks 7, fixing blocks 8 are fixedly mounted in the middle parts of the two screws 6, and fastening nuts 9 are in threaded connection with the upper ends of the two screws 6;

the above is noteworthy:

1. when passing connecting block 7 with screw rod 6, fixed block 8 of screw rod 6 lower extreme can play the supporting role to connecting block 7, screws up fastening nut 9 afterwards and can realize the fixed of connecting block 7 on screw rod 6, can realize the fixed between mould 2 and gland 3 through the cooperation of connecting block 7 and slider 5 this moment.

2. The sliding block 5 can slide in the sliding groove 4, so that the height of the gland 3 relative to the mould 2 can be adjusted, the lower end of the gland 3 can apply pressure on the surface of the liquid metal in the mould 2, the surface of the formed gland is kept flat, and the machining effect is ensured.

3. The mold 2 is sleeved with a support ring 10 in a sliding mode, the support ring 10 is located at the lower end of the slider 5 and can determine a supporting effect on the slider 5, and when the support ring 10 slides up and down on the mold 2, the slider 5 can be driven to move simultaneously, so that the adjustment operation of the gland 3 relative to the height of the mold 2 can be completed.

4. Fixed mounting has two stoppers 20 that the symmetry set up on the inner wall of support ring 10, is equipped with on the lateral wall of mould 2 with correspond two spacing grooves 19 of stopper 20 matched with, through the cooperation of spacing groove 19 and stopper 20, can prescribe a limit to the displacement distance and the direction of support ring 10 on mould 2, keeps the holding power to slider 5 stable.

Two supporting and adjusting mechanisms are symmetrically arranged between the supporting ring 10 and the workbench 1, and a control mechanism is arranged on the workbench 1;

the above is noteworthy:

1. support adjustment mechanism includes T-slot 11, T-slot 11 sets up on workstation 1, and sliding connection has T-shaped piece 12 in T-slot 11, it is connected with connecting rod 13 to rotate between T-shaped piece 12 and support ring 10, and install extension spring 14 between T-shaped piece 12 and T-slot 11, the elasticity of extension spring 14, can apply the power that is close to workstation 1 central point to T-shaped piece 12, when it does not receive external force, can keep connecting rod 13 in vertical state, ensure its supporting effect to support ring 10, when T-shaped piece 12 moves to workstation 1 edge in T-slot 11, through the rotation of connecting rod 13, can make support ring 10 move up and down on mould 2, make mould 2 bottom and 3 intervals of gland reduce.

2. The control mechanism comprises a servo motor 18, the servo motor 18 is fixedly arranged on the side wall of the workbench 1, moving grooves 15 are respectively arranged on the side walls of the two T-shaped grooves 11, a bidirectional screw rod 17 is rotatably connected between the two moving grooves 15, one end of the bidirectional screw rod 17 is fixedly connected with the output end of the servo motor 18, moving blocks 16 are respectively fixedly arranged at the lower ends of the two T-shaped blocks 12, the two moving blocks 16 are respectively and slidably connected in the two moving grooves 15, the two moving blocks 16 are respectively in threaded connection with the bidirectional screw rod 17, when the servo motor 18 rotates forwards, the two moving blocks 16 can be close to each other through the simultaneous forward rotation of the bidirectional screw rod 17, so that the two T-shaped blocks 12 are driven to close to each other, further, through the reduction of the included angle between the connecting rod 13 and the workbench 1, the supporting ring 10 drives the gland 3 to move upwards, the, the distance between the bottom of the mold 2 and the gland 3 can be reduced, the control operation is simple and convenient, and the stability can be ensured.

3. The sliding block 5, the connecting block 7 and the supporting ring 10 are all made of hard metal materials (the hard metal materials can be made of alloy steel materials), and the use of the hard metal materials can ensure the strength of each part in the device and ensure the stability of the supporting and fixing effects.

4. The servo motor 18 may specifically be a servo motor of MHMF042L1U2M type.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fastening device for casting comprises a die (2) fixedly installed on a workbench (1), and is characterized in that a gland (3) is installed on the die (2), two sliding chutes (4) are symmetrically arranged on the side wall of the die (2), sliders (5) are connected in the two sliding chutes (4) in a sliding manner, two screw rods (6) are fixedly installed on the sliders (5), two symmetrically-arranged connecting blocks (7) are fixedly installed on the side wall of the gland (3), through holes matched with the screw rods (6) are formed in the two connecting blocks (7), a fixing block (8) is fixedly installed in the middle of each of the two screw rods (6), fastening nuts (9) are connected to the upper ends of the two screw rods (6) in a threaded manner, a support ring (10) is sleeved on the die (2), and two support adjusting mechanisms are symmetrically installed between the support ring (10) and the workbench (1), and a control mechanism is arranged on the workbench (1).

2. The fastening device for casting according to claim 1, wherein the support adjusting mechanism comprises a T-shaped groove (11), the T-shaped groove (11) is arranged on the workbench (1), a T-shaped block (12) is connected in the T-shaped groove (11) in a sliding manner, a connecting rod (13) is rotatably connected between the T-shaped block (12) and the support ring (10), and a tension spring (14) is arranged between the T-shaped block (12) and the T-shaped groove (11).

3. The fastening device for casting according to claim 2, wherein the control mechanism comprises a servo motor (18), the servo motor (18) is fixedly installed on the side wall of the workbench (1), moving grooves (15) are formed in the side walls of the two T-shaped grooves (11), a bidirectional lead screw (17) is rotatably connected between the two moving grooves (15), one end of the bidirectional lead screw (17) is fixedly connected with the output end of the servo motor (18), moving blocks (16) are fixedly installed at the lower ends of the two T-shaped grooves (12), the two moving blocks (16) are respectively connected in the two moving grooves (15) in a sliding mode, and the two moving blocks (16) are both in threaded connection with the bidirectional lead screw (17).

4. The fastening device for casting according to claim 1, wherein two symmetrically arranged limiting blocks (20) are fixedly mounted on the inner wall of the support ring (10), and two limiting grooves (19) matched with the corresponding limiting blocks (20) are formed on the side wall of the mold (2).

5. A fastening device for casting according to claim 1, characterized in that the slide (5), the connecting piece (7) and the support ring (10) are made of hard metal material.